An emergency driver (100) of this disclosure for driving emergency lighting means comprises a battery (101) operably coupled to the emergency lighting means, a preferably resistive temperature sensor (104) configured to generate a temperature signal (Ts) corresponding to a temperature of the battery (101), at least a resistive heating element (102) configured to increase the temperature of the battery (101) by a heating operation, and a controller (106) configured to perform in a time multiplex manner, the reading of the temperature sensor (104) and the operation of the resistive heating element (102).
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/637 - Control systems characterised by control of the internal current flowing through the cells, e.g. by switching
An LLC converter (100) with synchronous rectification for LED lighting means (50) is provided. Said LLC converter (100) comprises a half-bridge (10), a resonant tank (20) comprising a transformer with a primary side (61) and a secondary side (62), a rectification stage (30), and control means (40). In this context, the half-bridge (10) is configured to supply said primary side (61). Additionally, the secondary side (62) is configured to supply said rectification stage (30). In further addition to this, the control means (40) are configured to control the operation of switches (11, 12) of the half-bridge (10) and to be supplied with at least one feedback signal indicating the respective switching on-time periods of switches (31, 32) of the rectification stage (30).
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 3/00 - Conversion of dc power input into dc power output
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 1/14 - Arrangements for reducing ripples from dc input or output
H05B 45/38 - Switched mode power supply [SMPS] using boost topology
3.
SYSTEM FOR CONTROLLING LIGHTING EQUIPMENT, CONTROLLER AND METHOD THEREOF
A system for controlling lighting equipment, a controller and methods thereof. The system includes: a detection apparatus, configured to detect a number of people in a tunnel and trace a movement of the people; and a controller, configured to generate a controlling signal according to a detecting result of the detection apparatus, the controlling signal being used to control a driver to drive a lighting equipment in predetermined area of the tunnel. According to the present disclosure, we can avoid the situation where people stays in the tunnel but the lights dim. And massively energy can be saved with lower cost. There is more comfortable experience for the people and security and has no feeling of sacrifice for energy saving. And the security needs no more use of flashlights on the patrol.
G06F 15/16 - Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
4.
POWER CONVERTER FOR AT LEAST ONE LED, AND LED DRIVER
Disclosed is a power converter (1) for at least one light-emitting device, LED, comprising: an inductor (105), including inductively coupled main and auxiliary windings (1051, 1052); an ohmic resistor (111) and a shunt switch (112) being connected in series with the auxiliary winding (1052); and a control unit (113), being configured to actuate (23) the shunt switch (112) during a discharged state of the main winding (1051). This suppresses an undesired resonant oscillation in light-load conditions of the converter (1), and avoids more expensive EMI filtering.
H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
5.
RESONANT HYBRID FLYBACK CONVERTER WITH OVERCURRENT DETECTION
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/00 - Conversion of dc power input into dc power output
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/32 - Means for protecting converters other than by automatic disconnection
A PFC circuitry with EMI filter comprises: ‐ A PFC switch having a switch and an inductor, ‐ A control unit controlling, preferably feedback-controlling, the switch via a switch control signal, and‐ An active EMI filter, arranged between AC supply terminals and the PFC circuitry and having a compensation current unit injecting a compensation current into the current flowing through the inductor, wherein the EMI filter unit further comprises a compensation current calculation unit setting the current of the compensation current unit based on the characteristics, such as e.g. duty cycle and/or frequency, of the switch control signal.
The present invention relates to an installation housing for an electronic device comprising an antenna, wherein the installation housing (1) is configured for installation in a building structure or a building technology device (19) and is configured to position the electronic device (12) within the installation housing.
The present invention relates to an installation housing arrangement with an installation housing (1) for an electronic device (12) comprising an antenna. The installation housing (1) is configured for installation in a building structure or a building technology device (22) and accommodates a fastening means (13..18) for fastening and positioning the electronic device (12) within the installation housing (1), wherein the fastening means (13..18) is made of a dielectric material that at least partially fills the installation housing (1).
H01Q 19/06 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles
F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
9.
HOUSING FOR A LIGHTING DEVICE, AND LIGHTING DEVICE COMPRISING AN INTEGRATED WIRELESS INTERFACE
The invention relates to a housing for a lighting device (1, 10). The housing (2, 12) is designed to receive a transmitting and/or receiving device for electromagnetic waves, and the housing has at least one opening (5) in a housing wall (4). At least one first dimension (a1) and a second dimension (b) of the base area of the opening (5) in the housing wall (4) are smaller than or equal to half the wavelength of the electromagnetic waves, and a boundary surface, which surrounds the opening (5), in the housing wall (4) is designed to continuously adapt a wave resistance in the direction of a surface normal of the housing wall (4) in the region of the opening (5) via at least one functional section of the boundary surface in the direction of the surface normal of the opening (5) and/or a closure element (11) which is permeable to the electromagnetic waves and is arranged in the opening (5) is designed to continuously adapt the wavelength of the electromagnetic waves upon passing through the opening (5) via at least one functional section of the closure element (11) in the direction of the surface normal of the opening (5).
The present invention provides a device for controlling an overall PF of two or more electronic circuits that are each configured to perform PFC during operation. The device may be electrically connected between mains and the electronic circuits such that the electronic circuits are electrically supplied from mains with a mains voltage and current via the device and the mains current is divided among the electronic circuits. The device may receive from each electronic circuit information on an electrical input power and/or output power of the respective electronic circuit. The device may generate, in response to determining the electrical input or output power of at least one electronic circuit being smaller than a respective threshold, a control signal causing a change of the PFC of the at least one electronic circuit for increasing the overall PF of the two or more electronic circuits.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 1/12 - Arrangements for reducing harmonics from ac input or output
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
H05B 45/355 - Power factor correction [PFC]; Reactive power compensation
11.
METHOD AND SYSTEM FOR FACILITATING ADAPTED MAINTENANCE OF EMERGENCY LIGHTING SYSTEMS
System and method for facilitating maintenance of an emergency lighting system (1) in which an operating device (5) is configured to at least temporarily operate a light source (4) from electrical energy stored in a rechargeable battery (3). System measurement values and/or events are repetitively determined during operation of the operating device (5) and stored in an internal memory (9) of the operating device (5). The oldest corresponding stored data is cyclically overwritten. At least part of the stored data is transferred to an external memory (12) at a plurality of different times thereby accumulating measurement values and/or information on events in the external memory (12). A processing means (13) analyses at least part of the accumulated measurement values and/or information on events to determine a state of at least one component of the emergency lighting system (1), and generates an indicator for the determined state. The determined state of the at least one component is signalled based on the indicator.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
12.
DRIVER DEVICE, CONTROL CIRCUIT AND METHOD FOR OPERATING A DRIVER DEVICE WITH AN ENHANCED SERVICE LIFE
Concerning the field of power electronics and lighting, the method for controlling at least one driver device, in particular a light driver, controls the at least one driver device to operate either in a standby mode or in a power-supplying mode. The method comprises obtaining a parameter value, evaluating the obtained parameter value to determine whether the obtained parameter value meets a lifecycle-criterion, and switching the at least one driver device into a lifetime- preserving mode in case the obtained parameter value meets the lifecycle criterion. In the lifetime-preserving mode, an adjustable value of at least one operational parameter of the at least one driver device is set to reduce a temperature spread of a device temperature of the at least one driver device. A control circuit for a driver device, e.g. a light driver, the driver device, a luminaire or a lighting system may implement the method.
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits
H02H 5/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
13.
HANDHELD DEVICE, ENTITY AND SYSTEM FOR CONFIGURING BUILDING TECHNOLOGY DEVICE
The present invention provides a handheld device for configuring a building technology device is provided. Optionally, the building technology device is a luminaire or an entity of a luminaire. The handheld device comprises wireless communication means configured to wirelessly communicate with the building technology device. Further, the handheld device comprises optical detecting means configured to detect a code comprising configuration information for configuring the building technology device. The handheld device is configured to obtain the configuration information of the code detected by the optical detecting means. The handheld device is configured to configure the building technology device by wirelessly transmitting, using the wireless communication means, the obtained configuration information to the building technology device.
The present disclosure relates to the field of switched mode power supplies (SMPS) and isolated converters, in particular for lighting technology. The present disclosure provides a sensing circuit (100) for an isolated converter (201). The sensing circuit (100) is configured to obtain load current information (101), and to obtain load voltage information (102). The sensing circuit (100) is further configured to determine, by a correction module (103) of the sensing circuit (100), corrected load current information (104) based on the load current information (101), the load voltage information (102) and a correction formula (105), wherein the correction formula (105) is configured to compensate a frequency dependent behaviour of the sensing circuit (100), and output the corrected load current information (104).
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
The invention relates to a LED module comprising, at least two LEDs connected in series and arranged on a printed circuit board, PCB, the printed circuit board comprising two terminals for electrically supplying the LEDs off a driver; a surge current protection structure comprising: a first metal surface arranged on the PCB and connected to an anode potential of the series connection of LEDs; and a second metal surface arranged on the PCB and connected to a cathode potential of the series connection of LEDs, the first and second metal surfaces being furthermore respectively connected in a heat conducting manner with each of the LEDs of a first group of LEDs at the anode potential side of the series connection of LEDs and with each of the LEDs of a second group of LEDs at the cathode potential side of the series connection of LEDs.
A system for controlling lighting equipment, a prediction apparatus, a controller and methods thereof. The system includes: a prediction apparatus, configured to detect a passenger with tendency to take off a train carriage, according to a picture captured inside the train carriage; and a controller, configured to generate a controlling signal according to a detecting result of the prediction apparatus, the controlling signal being used to control a driver to drive a lighting equipment in predetermined area of a station, when there is at least one passenger with tendency to take off the train carriage being detected, the controlling signal controlling the driver to dim brightness of the lighting equipment up to a predetermined level before the train arrives at the station. According to the present disclosure, a passenger with tendency to take off a train carriage can be detected according to pictures captured inside the train carriage, the detected result will be used to control a light at a station, therefore, the light will turn brighter before the train arrives.
The present invention relates to a strain relief means (1) for an electric connection cable (A) for an electronic component (100), having a retaining section (12) which delimits a passage space (20) for passage of the connection cable (A) along a longitudinal axis (X), the retaining section (2) having locking means (21) for locking the connection cable (A) in the passage space (20), and a connecting section (4) for mechanically connecting the strain relief means (1) to the electronic component (100) in a connecting direction (D), the connecting section (4) being formed in such a way as to arrange the electronic component (100) on a radial side (11) of the strain relief means (1) with respect to the longitudinal axis (X) by the mechanical connection.
H02G 15/007 - Devices for relieving mechanical stress
H01R 12/77 - Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
H01R 12/79 - Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
18.
SYNCHRONOUS ISOLATED LED CONVERTER, LED POWER SUPPLY AND LED LUMINAIRE
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
19.
METHOD FOR OPERATING AN LED CONVERTER AND LED CONVERTER
A method for operating an LED converter (1) which is connected to a power supply via a mains input (10) and to an LED light source (50) via a load connection (30) is provided, wherein the method comprises: determining, by the LED converter (1), whether a fault condition occurs during operation of the LED converter (1); in case a fault condition is determined, operating the LED converter (1) in a safe operating mode.
The invention relates to a signal generator module, comprising: input terminals for supplying a low-DC voltage from a LED driver, an interface for manually or electronically supplying a signal generator control command, a circuitry for generating a digital output signal preferably with a mains frequency during a defined state of the signal generator control command, and output terminals configured to supply the digital output signal to at least one input terminal of the LED driver.
The present invention provides a system for providing light to plants. The system comprises a light source configured to be positioned above the plants for providing, in a vertical direction of growth of the plants, the light to the plants. Further, the system comprises an optic arrangement for setting, in the vertical direction of growth of the plants, an angle of radiation of the light, and a control unit for controlling the optic arrangement. The control unit is configured to control the optic arrangement to change the angle of radiation of the light depending on a height of the plants. Further, a method for providing light to plants is provided.
A method for setting an emergency lighting operation duration of an emergency driver (110) and such an emergency driver (110), whereas the emergency driver (110) is connected to an emergency luminaire (120). The emergency driver (110) and the luminaire (120) further form an emergency lighting system (100). Hereby the emergency driver (110) is configured to perform the provided method, whereas a user can individually set the emergency lighting operation duration via actuating a double assigned test button (140) in a respective manner.
H05B 47/17 - Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
H02J 9/02 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
H05B 47/16 - Controlling the light source by timing means
A driver device comprises a converter circuit configured to generate and output a load current for driving an electric load and a control circuit configured to control operation of the converter circuit. The control circuit is configured to perform a functional test for testing electronic circuitry of the driver device that includes the converter circuit. The driver device may be a light driver device, preferably for proving the load current to a LED lighting device. The control circuit is configured to perform the functional test by executing a test routine for testing at least one electrical parameters of the driver device.
The invention relates to an apparatus (1) and to a method for transmitting at least one setting value in respect of at least one parameter to an illumination operating device (2). The apparatus (1) transmits to the operating device (2) a setting value, which is provided in the apparatus (1) by means of an NFC interface (11). At the same time, a marking corresponding thereto is applied to the operating device (2), for which purpose the apparatus (1) has a marking unit (12) in addition to the NFC interface (11). By virtue of the marking unit (12), a parameter can be set and an outwardly recognizable label corresponding to said setting can be applied in just a single work step by placing the apparatus (1) onto the operating device (2) to be marked or at least bringing the apparatus close to the operating device to be marked, in the case of contactless marking.
The present invention provides a LED driver. The LED driver comprises a data storage for sequentially storing data of an operation of the LED driver according to a circular buffer. The LED driver is configured to continuously monitor and store the data of the operation of the LED driver sequentially in the data storage. Further, the LED driver is configured to secure, in case a trigger occurs, at least part of the data stored in the data storage at a point in time at which the trigger occurred and corresponding to a time period before the point in time from being overwritten. Further, a luminaire comprising such a LED driver and a LED light source; a method for operating a LED driver; and a system comprising a plurality of LED drivers.
A lighting module (100) for use in medical applications, in particular for providing an illumination suitable for visual inspection to detect changes in vital signs, comprises at least one white light LED (12) and at least one red LED (14), said at least one red LED (14) having a peak wavelength between 620nm and 700nm. The at least one white light LED (12) comprises quantum dots and the ratio of radiated power below 620 nm to the radiated power above 620 nm is between 2,3:1 and 2,9:1, preferably between 2,6:1 and 2,8:1.
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
A61B 5/103 - Measuring devices for testing the shape, pattern, size or movement of the body or parts thereof, for diagnostic purposes
B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
G02F 1/017 - Structures with periodic or quasi periodic potential variation, e.g. superlattices, quantum wells
H10K 50/115 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 31/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
The present invention relates to an electronic device comprising a circuit board (8), at least one contact pin (9a..9e) connected to a pole of the circuit board (8), a terminal connector (3) comprising at least one terminal connector unit and a housing (2a..2d) that at least partially encloses the circuit board (8) and the terminal connector (3), wherein each connecting unit comprises a first conductor connection terminal (14), a second conductor connection terminal (13) and a plug-in connector terminal (4) and is configured to electrically connect, to the contact pin (9a..9e) connected to the first conductor connection terminal (14), an electrical conductor connected to the second conductor connection terminal (13) and at least one contact of a plug-in connector connected to at least one contact of the plug-in connector terminal (4), and the housing (2a..2d) has an opening through which the plug-in connector terminal (4) and/or the plug-in connector connected to the plug-in connector terminal (4) extends at least partially.
H01R 11/05 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating characterised by the type of the connecting locations on the individual element or by the type of the connections between the connecting locations and the conductive members the connecting locations having different types of direct connections
H01R 12/72 - Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
H01R 27/02 - Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more counterparts
H01R 4/48 - Clamped connections; Spring connections using a spring, clip or other resilient member
H01R 13/66 - Structural association with built-in electrical component
28.
ARTIFICIAL INTELLIGENCE-BASED LIFETIME ANALYTIC CALCULATIONS FOR INTELLIGENT DEVICES OF BUILDING INFRASTRUCTURE SYSTEMS
A method for detecting an anomalous event in a building infrastructure device, the building infrastructure device and system. In a training phase, obtaining parameter data for at least one physical parameter of the building infrastructure device during operation is obtained during a predefined time period. The training phase proceeds with generating a usage profile for the building infrastructure device based on the obtained parameter data, the profile including a parameter range for the at least one physical parameter determined, or with training at least one artificial intelligence-based model for detecting at least one anomalous event in the building infrastructure device based on the obtained parameter data. In a monitoring phase, the method includes obtaining current parameter data for the physical parameter, determining whether an anomalous event in the building infrastructure device has occurred by comparing the obtained current parameter data with the usage profile of the building infrastructure device, or determining whether the anomalous event in the building infrastructure device has occurred based on the obtained current parameter data, and the trained artificial intelligence-based model. The method then generates and outputs a signal based on the determined anomalous event.
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits
H05B 45/58 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits involving end of life detection of LEDs
H05B 47/20 - Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection
H05B 47/21 - Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection of two or more light sources connected in parallel
29.
CONTROL APPARATUS AND METHOD FOR CONTROLLING TWO SWITCHES OF A SYNCHRONOUS BUCK CONVERTER OR A RESONANT HYBRID FLYBACK CONVERTER
The invention relates to a control apparatus for controlling two switches of a synchronous buck converter. The control apparatus is configured to receive a measurement signal of an inductor current flowing through an inductor of the synchronous buck converter, compare the measurement signal with an upper threshold and a lower threshold, determine a first point in time at which the measurement signal reaches or exceeds the upper threshold and a second point in time at which the measurement signal reaches or falls below the lower threshold, and control at least one of the two switches to switch at a third point in time or a fourth point in time. The third point in time is equal to the first point in time delayed by a first variable delay time. The fourth point in time is equal to the second point in time delayed by a second variable delay time.
H02M 3/157 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 1/15 - Arrangements for reducing ripples from dc input or output using active elements
H05B 45/59 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
H05B 45/375 - Switched mode power supply [SMPS] using buck topology
H02M 3/00 - Conversion of dc power input into dc power output
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H05B 45/385 - Switched mode power supply [SMPS] using flyback topology
The invention concerns to the field of technical building infrastructure and, in particular, concerns a monitoring system for using light driver devices for obtaining and evaluating technical and environmental parameters within the building, a corresponding building infrastructure device and a corresponding monitoring method. The building infrastructure system includes the monitoring system. The monitoring system for monitoring at least one parameter from an environment of the building infrastructure system comprises a sensor circuit for obtaining sensor data on the at least one parameter, wherein the sensor circuit is arranged in a building infrastructure device. The monitoring system further comprises an evaluator circuit for generating an evaluation signal by evaluating the sensor data obtained by the sensor circuit. The at least one parameter is an environmental parameter or a technical parameter, which influences a plurality of devices of the building infrastructure system. The monitoring system is configured to provide the evaluation signal to at least one other infrastructure device.
The invention relates to a LED trunking lighting system, comprising: a preferably linear U- shaped or D-shaped profile carrying electrical power supply means, wherein the profile is designed for releasably mounting a load in electrical contact with said electrical power supply means, and at least one pair of twisted communication wires which are arranged at the inner side of the said profile and exposed for being contacted in defined discrete increments along the extension of the profile.
F21V 21/35 - Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
H01R 25/14 - Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
H01R 25/16 - Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
The invention relates to a method for detecting an isolation fault condition of a LED module supplied with electrical power by a non-isolated switched LED converter, the switched LED converter having a control circuit for issuing a control signal for at least one switch and being supplied with at least one feedback signal from the LED in order to implement a feedback-controlled operation of the LED module. The method comprises the step of: obtaining and analysing a signal indicating the operation frequency of the switch of the switched converter in order to evaluate the contribution of a harmonic in the frequency range of a mains voltage supplying the converter in said signal, and stopping or reducing the electrical power supplied to the LED module in case the contribution of said harmonic exceeds a given threshold value during at least a preset time period or preset number of cycles.
A synchronous buck converter for supplying a LED load comprises: - a high side switch and a low side switch connected in series, - an inductor connected to the midpoint of these switches, and - a control circuitry controlling the alternate switching operation of the two switches, wherein the switches are controlled such that there are time periods in which a negative current is flowing through said low side switch, wherein the control circuitry is supplied with a feedback signal indicating the level of the negative current and is arranged to issue a switching-off command to the low side switch as soon as the feedback signal reaches or crosses a threshold value, wherein a least one feedback from the LED load is fed back to the control circuitry, and wherein the at least one feedback signal comprises at least one of LED voltage and LED current. The control circuitry is arranged to adapt its threshold value depending on the at least one feedback signal.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H05B 45/375 - Switched mode power supply [SMPS] using buck topology
A method (200) for detecting an isolation fault condition of a LED module (802) supplied with electrical power by a non-isolated switched LED converter (801), the switched LED converter (801) having a control circuit (701) for issuing a control signal for at least one switch and being supplied with at least one feedback signal (803) from the LED module (802) in order to implement a feedback-controlled operation of the LED module (802), the method (200) comprising the step of: - obtaining and analysing (201) a signal (300, 400) indicating the ripple frequency of the feedback signal (803) from the LED module (802) in order to evaluate the contribution of a harmonic in the frequency range of a mains voltage supplying the converter (801) in said signal (300, 400), and - stopping or reducing (202) the electrical power supplied to the LED module (802) in case the contribution of said harmonic exceeds a given threshold value during at least a preset time period or preset number of cycles.
The invention relates to an emergency lighting unit. The emergency lighting unit, comprises a control circuit, a preferably LED based lighting module, an optics module configured to define an output angle of a light emitted by the lighting module, an output angle command generator, and an electrically or electronically variable optics module configured to vary or set the output angle as a reaction to receiving a command signal generated by the output angle command generator electrically or electronically connected to the variable optics module.
The invention relates to a control system (1) for controlling an electrical supply circuit (7) for electrically supplying lighting means (10), optional at least one light emitting diode, LED. The control system (1) comprises a control IC (1a) comprising an analog-to-digital-converter (2), ADC, for converting a measurement of at least one electrical quantity (EQ) of the electrical supply circuit (7) into a digital signal (DS). Further, the control system (1) comprises signal processing means (3) for processing the digital signal (DS), and the control IC (1a) comprises a controller (4) for controlling the at least one electrical quantity (EQ). The signal processing means (3) is configured to perform a statistical evaluation of the digital signal (DS). The controller (4) is configured to control, based on the digital signal (DS), the at least one electrical quantity (EQ) using the statistical evaluation of the digital signal (DS).
H05B 45/59 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
H05B 47/20 - Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection
37.
CONTROL INTEGRATED CIRCUIT AND METHOD FOR CONTROLLING A CURRENT SOURCE CONFIGURED TO PROVIDE CURRENT TO LIGHTING MEANS, OPERATING DEVICE FOR LIGHTING MEANS, AND LUMINAIRE
The invention relates to control IC for controlling a current source configured to provide a current to lighting means optional at least one light emitting diode (LED). The control IC comprises a controller for controlling the current, a modulator for generating, based on an output of the controller, a periodically changing signal, wherein an amplitude of the periodically changing signal periodically changes with a first frequency around an amplitude of the output signal of the controller, and a generator for generating, based on the periodically changing signal, a control signal for controlling the current source. The generator is configured to update the control signal according to a pulse signal having a second frequency greater than the first frequency. The generator is configured to provide the pulse signal to the modulator. The modulator is configured to update, based on the pulse signal, the amplitude of the signal so that the amplitude of the signal periodically changes in steps, with the first frequency, around the amplitude of the output signal of the controller.
H05B 45/59 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
38.
FEEDBACK-CONTROLLED SWITCHED CONVERTER FOR A LED LOAD
The invention relates to a feedback-controlled switched converter, comprising: at least one switch, terminals for supplying an LED load, a control unit being supplied with a feedback signal indicating a load current of the LED load. The control unit is configured to: generate an output signal on the basis of the feedback signal, combine the output signal with a periodic modulation signal in order to obtain a control signal, the control signal being configured to set an operation parameter of the at least one switch, apply the control signal to the at least one switch. Moreover, the switched converter comprises means for enabling/disabling the periodic modulation signal, wherein the means for enabling/disabling is configured to enable/disable the periodic modulation signal only at time periods of the periodic modulation signal in which an amplitude of the periodic modulation signal is lower than an amplitude threshold, or wherein the means for enabling/disabling the periodic modulation signal is configured to only enable/disable the periodic modulation signal at first time periods of the periodic modulation signal being centered at zero-crossings of the periodic modulation signal, these first time periods being separated from each other by time periods in which no enabling/disabling of the modulation signal is performed.
H05B 45/59 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
H02M 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/00 - Conversion of dc power input into dc power output
Disclosed is a network device (1) of a lighting system. The network device (1) comprises a wireless interface (11) and a control unit (12). The control unit (12) is configured to advertise (21), over the wireless interface (11), at least two different wireless networking standards; receive (22), over the wireless interface (11), a response to an advertisement of one of the wireless networking standards; and activate (23) the wireless interface (11) for operation in accordance with the one of the wireless networking standards. This avoids a more extensive stock keeping for lighting systems being capable of wireless communications.
Disclosed is an integrated circuit, IC (1), for switching regulation of switch mode drivers (2) of various driver topologies is provided. The IC (1) comprises a state machine (11) including a finite plurality of states (Sx). A quantity of the plurality of states (Sx) is adaptable to a designated driver topology (21) of the various driver topologies. A behavior of the plurality of states (Sx) is adaptable to the designated driver topology (21) via respective state registers (111) in terms of: at least one action (1111) being executed in the respective state, and at least one transition from the respective state to a subsequent state of the plurality of states (Sx) according to an associated stimulus. Its general suitability for various driver topologies renders the IC future-proof and long-lived.
The invention relates to a switched converter, comprising: at least one switch, output terminals for supplying an LED load, a capacitor arranged in parallel to the output terminals, a sensing transformer, a primary winding of the sensing transformer, a secondary winding of the sensing transformer; and a control circuitry controlling the operation of the at least one switch. The switched converter is configured to operate in alternating cycles between phases of supplying energy from a node on a potential of the at least one switch to the output terminals and phases of supplying energy to output terminals of the capacitor but not from said node. The primary winding of the sensing transformer is switched in series to the capacitor and the secondary winding of the sensing transformer is configured to generate an output signal supplied to the control circuity of the switched converter, wherein the control circuity is configured to sense the current flowing across the output terminals supplying the LED load based on said output signal.
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/00 - Conversion of dc power input into dc power output
42.
ADAPTING THE EMISSION CHARACTERISTIC OF AN ANTENNA INTEGRATED INTO A LUMINAIRE
A device for adapting the directivity characteristic of an antenna (8), the antenna (8) being arranged in a static luminaire (1), and the device having a substrate (9.1) and a structure (9.2) arranged on same, the device being substantially flat, and the substrate (9.1) being designed to fix the device to a casing (2) of the static luminaire (1), and the structure (9.2) being designed to interact with electromagnetic waves.
H01Q 19/06 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
H01Q 15/00 - Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
F21S 8/00 - Lighting devices intended for fixed installation
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
The invention relates to a lighting system, comprising: one or more converters for driving LED lighting means, one or more LED based lighting means driven by the one or more converters; a backend system unit for the lighting system, and a lighting sensor arranged for detecting light emitted by the one or more lighting means and arranged for issuing a signal to said backend system unit, the backend system unit being configured to analyze the signal supplied by the sensor in order to detect whether one or more characteristic(s) of the light emitted by the one or more lighting means is/are within preset ranges, and to preferably issue a signal in case one or more characteristics are outside its/their respective characteristic(s).
The invention concerns a converter circuit for providing a load current to a load, in particular to a lighting device such as a LED lighting module. The converter circuit comprises at least one switch configured to switch between a conducting state and a non-conducting state based on a switch control signal. A current sense circuit of the converter circuit generates a current sense signal based on a sensed current via the switch. Based on the current sense signal, a control circuit of the converter circuit generates the switch control signal. The control circuit controls the switch to switch asynchronously from the conducting state to the non- conducting state when the current sense signal reaches a threshold value. The converter circuit is characterized by the control circuit setting a blanking time interval, wherein the blanking time interval starts at a time when the switch switches from the non-conducting state to the conducting state, and, during the blanking time interval, the control circuit inhibits switching the switch from the conducting state to the non-conducting state.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
45.
HYBRID SWITCHED-MODE CONVERTER, METHOD OF OPERATING THE SAME, AND LIGHTING SYSTEM
Disclosed is a hybrid switched-mode converter (1) for an LED load (23). The converter (1) comprises a first decoupling element (11), a second decoupling element (12), a third decoupling element (13) and a fourth decoupling element (14) connected in series across an input port of the converter (1) connectable to a DC power source (22). The converter (1) further comprises a first capacitive storage element (15) connected in parallel to the series connection of the second decoupling element (12) and the third decoupling element (13). The converter (1) further comprises an inductive storage element (16) and a second capacitive storage element (17) connected in parallel to the series connection of the third decoupling element (13) and the fourth decoupling element (14). The second capacitive storage element (17) is connected in parallel to an output port of the converter (1) connectable to the LED load (23). The converter (1) further comprises a control logic (18) being configured to: alternatingly open the first decoupling element (11) and the second decoupling element (12) in accordance with a modulation frequency with an intermediate time lag; preserve a duration of the time lag in a first dimming range of the LED load (23); and modulate the duration of the time lag in a second dimming range of the LED load (23).
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/07 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode
CONTROL SYSTEM AND METHOD FOR CONTROLLING A CURRENT SOURCE CONFIGURED TO PROVIDE CURRENT TO LIGHTING MEANS, OPERATING DEVICE FOR LIGHTING MEANS, AND LUMINAIRE
The invention relates to a control system (1) for controlling a current source (7) configured to provide a current (ILM) to lighting means (8). The lighting means are optional at least one light emitting diode (LED). The control system (1) is configured to obtain a first reference current 5 (Iref1) for the current (ILM) and generate, based on the first reference current (Iref1), a second reference current (Iref2), wherein an amplitude of the second reference current (Iref2) periodically changes, with a frequency, around an amplitude of the first reference current (Iref1). Further, the control system (1) is configured to perform a feedback control of the current (ILM) with regard to the second reference current (Iref2). The invention further relates to an operating device (13) for lighting means (8), comprising such a control system (1); a luminaire (14) comprising such an operating device (13); and a method for controlling a current source.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H05B 45/36 - Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
47.
TEST CONTROL DEVICE FOR AN EMERGENCY DEVICE IN A BUILDING AUTOMATION SYSTEM
A test control device for an emergency device in a building automation system, wherein the emergency device includes a test switch interface for connecting an external test switch for activating a simulated emergency mode of the emergency device, the test control device comprises a first interface, a second interface and a wireless interface. The first interface is configured to connect the test control device to the emergency device and to connect the test control device to a battery interface of the emergency device. The second interface configured to connect the test control device to an energy storage device. The wireless interface is configured to receive an activation signal for activating the simulated emergency mode of the emergency device. The test control device may be part of an emergency device, and in particular of an emergency lighting device, an emergency luminaire or an emergency ballast device. A building automation system may include at least one emergency device.
G08B 29/14 - Checking intermittently signalling or alarm systems checking the detection circuits
G08B 29/12 - Checking intermittently signalling or alarm systems
G08B 29/18 - Prevention or correction of operating errors
48.
CONTROL INTEGRATED CIRCUIT FOR CONTROLLING AN OPERATING DEVICE FOR LIGHTING MEANS; OPERATING DEVICE; LUMINAIRE AND METHOD FOR OPERATING A CONTROL INTEGRATED CIRCUIT
The invention relates to a control integrated circuit (1), control IC, for controlling an operating device (15) for lighting means (10). The control IC (1) comprises a driver logic (3a) for driving a hardware module (4a), a control logic (2a) for controlling the driver logic (3a), and a clock generator (5) for generating two or more clock signals (clk1, clk2) that have a different frequency with regard to each other. The clock generator (5) is configured to provide a first clock signal (clk1) of the two or more clock signals (clk1, clk2) to the control logic (2a), and a second clock signal (clk2) of the two or more clock signals (clk1, clk2) to the driver logic (3a). The invention further relates to an operating device (15) for lighting means, the operating device (15) comprising such a control IC (1); and to a luminaire comprising such an operating device (15).
The disclosure relates to an isolated switched resonant converter for suppling a LED load, comprising a switching stage having at least one switch driven by a control circuit of the converter, a resonance circuit supplied by the switching stage, a transformer as an isolation stage, a resonance capacitor, wherein the capacitor is arranged in parallel to a secondary side winding of the transformer, wherein the secondary side winding is arranged to supply output terminals of the converter supplying the LED load, and detection means configured to detect a signal representing a differential current based on a difference between a first current flowing through the secondary side winding and a second current flowing through the capacitor, wherein the signal representing the differential current is supplied to the control circuit.
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/48 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
H02M 3/337 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
50.
A CONTROL SYSTEM AND METHOD FOR CONTROLLING A CURRENT SOURCE OF AN OPERATING DEVICE FOR LIGHTING MEANS, AN OPERATING DEVICE AND LUMINAIRE
LM)1LMref1ref2LMV11vv) using a first gain (G1) in case the control system (1) determines that the communication is present and a second gain (G2) in case the control system (1) determines that the communication is not present. The first gain (G1) is different to the second gain (G2).
H05B 45/34 - Voltage stabilisation; Maintaining constant voltage
H05B 47/18 - Controlling the light source by remote control via data-bus transmission
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
51.
LIGHTING DRIVER WITH REMOTE INDICATOR LED AND EMERGENCY TEST BUTTON
Disclosed is a driver (1) for a light source (25), including a printed circuit board, PCB (11); a status indicator LED (111) preferably directly mounted on the PCB (11); and an optical fiber arrangement (23A; 23B) configured to deliver light emitted by the LED (111) at a light sensor (112) preferably directly mounted on the PCB (11) and connected to a control circuitry of the driver (1). This avoids EMC and transient issues in connection with remotely arranged status indicator LEDs and emergency test buttons.
A voltage information detecting circuit, a power supply circuit, a driving circuit and a voltage information detecting method. The voltage information detecting circuit, includes: a detecting circuit, configured to be connected to an input port which receives an input voltage (Vin), and output a detecting signal from an output terminal corresponding to the input voltage; a charge storage circuit, configured to be connected to the output terminal of the detecting circuit, being charged and discharge according to the detecting signal; and a controller, configured to be connected to a first connecting node (A) between the charge storage circuit and the detecting circuit, and obtain information of the input voltage according to a voltage of the first connecting node (A).
The present invention relates to a controller (1) for a component of a lighting system, which controller has a transponder (9), a control device (10), and at least one mechanical element (11...14). The transponder (9) receives data from a transmitter by means of an antenna (8), at least when the controller (1) is switched off, and stores said data. The mechanical element (11...14) is designed to disrupt or damage the antenna (8) when the controller (1) is connected to the component. The control device (10) reads the data stored in the transponder (9) at least after the controller (1) is switched on in order to use it for controlling the component to be controlled by the controller (1).
Disclosed is a module (1) for a luminaire (2). The module (1) comprises one or more sensing means (11); and at least one of: a visual information output means (12), and a mechanical input means (13) configured for being actuated by a human operator. The module (1) is insertable into an opening (231) of a casing (23) of the luminaire (2) such that the sensing means (11) is/are exposed to an exterior of the luminaire (2). Especially in connection with luminaires (2) for emergency lighting, which are required by law in every building, this provides a dense grid of environmental sensors (11) without requiring extra wiring or gateways to work, reduces the number of elements deployed in the building to get environmental data, simplifies integration and commissioning, and decreases installation costs with reference to separate sensor networks.
A power supply circuit, a driver and a controlling method. The power supply circuit includes: a transformer (T1), comprising a primary winding (P1) and a secondary winding (S1); a switch (Q1), configured to be in series connection with the primary winding of the transformer coupled between a first node (A1) and a ground port; a sampling circuit, configured to be connected between the first node (A1) and the ground port, generate a sampled voltage of the first node (A1); and a controller, configured to receive the sampled voltage from a first pin (1 COM), and output a controlling signal from a second pin (6 DRAIN) to the switch, so as to control on/off state of the switch, the controlling signal is generated according to the sampled voltage and a sensed current corresponding to a current flowing through the switch.
Disclosed is a driver (1) for at least one LED (5). The driver (1) comprises a switched-mode power supply, SMPS, (27, 102, 103) configured to supply the at least one LED (5); a closed-loop control (2) for regulating a controlled variable (28) supplied to the at least one LED (5) in accordance with a reference variable (21); and a feed-forward control (3) for adjusting a control variable (24) of the closed-loop control (2) in dependence of a frequency component of a control error (22) of the closed- loop control (2) and a frequency component (29) of a DC link/bus voltage (113) of the SMPS (27, 102, 103). This avoids an adjustment of a feed-forward (FEFO) gain at a design stage, which is cumbersome and prone to inaccuracies.
H02M 3/00 - Conversion of dc power input into dc power output
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 1/15 - Arrangements for reducing ripples from dc input or output using active elements
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
57.
RIPPLE-REDUCING CURRENT LIMITER FOR A POWER SUPPLY OF A LIGHTING CONTROL BUS
Disclosed is a current limiter (1) for a power supply (2) of a lighting control bus (6). The current limiter (1) comprises a resistor (11) and a switch (12) arranged serially in a current path of the lighting control bus (6). The switch (12) is configured to gate a current (I) of the lighting control bus (6) in accordance with a voltage (V) of the lighting control bus (6) applied to a control terminal of the switch (12). The resistor (11) is configured to sense the current (I) gated by the switch (12) as a voltage drop there across. The current limiter (1) further comprises an adjustable shunt regulator circuit (13) configured to shunt the voltage (V) applied to the control terminal of the switch (12) in accordance with the voltage drop across the resistor (11). The current limiter (1) further comprises a capacitor (14) connected in parallel to the adjustable shunt regulator circuit (13). This avoids high output current ripple when the current (I) is limited by the circuit.
Disclosed is a current limiter (1) for a power supply (2) of a lighting control bus (6). The current limiter (1) comprises a first switch (12) arranged serially in a current path of the lighting control bus (6). The first switch (12) is configured to gate a current (I) of the lighting control bus (6) in accordance with a voltage (V) of the lighting control bus (6) applied to a control terminal of the first switch (12). The current limiter (1) further comprises a voltage divider (15, 16) connected in parallel to the current path. The current limiter (1) further comprises a second switch (17) interposed between the control terminal of the first switch (12) and an outer terminal of the voltage divider (15, 16). The second switch (17) is configured to shunt the voltage applied to the control terminal of the first switch (12) in accordance with a current (IB) into the control terminal of the second switch (17). The current limiter (1) further comprises a Zener diode (18) interposed between the control terminal of the second switch (17) and an inner terminal of the voltage divider (15; 16). The Zener diode (18) is configured to gate the current (IB) into the control terminal of the second switch (17) in accordance with a voltage drop between the inner terminal and the outer terminal of the voltage divider (15, 16) in excess of a reverse breakdown voltage of the Zener diode (18). This achieves an overvoltage protection of the first switch (12) and the current limiter (1).
The present invention provides a power supply device (1) for a wireless supply of electrical power to an emergency luminaire (2). The power supply device (1) comprises electrical coupling means (12) for a wireless power transfer and an electrical energy storage (14). The power supply device (1) is configured for being detachably attached to the emergency luminaire (2). Further, the power supply device (1) is configured to wirelessly supply electrical power from the electrical energy storage (14) to the emergency luminaire (2), via a wireless transfer of the electrical power from the electrical coupling means (12) of the power supply device (1) to electrical coupling means (22) of the emergency luminaire (2), when the power supply device (1) is detachably attached to the emergency luminaire (2). In addition the invention proposes an emergency luminaire (2) and a system comprising such a power supply device (1) and such an emergency luminaire (2).
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
F21L 14/00 - Electric lighting devices without a self-contained power source, e.g. for mains connection
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
A power supply circuit, a driver and a controlling method. The power supply circuit includes: a first switch network, configured to be connected between a first input port and a second input port, the first switch network comprising a first switch (Q1) and a second switch (Q2) in series connection; a second switch network, configured to be connected between the first input port and the second input port, the second switch network comprising a third switch (Q3) and a fourth switch (Q4) in series connection; a resonant circuit, configured to comprise a first capacitor (C1) and a first inductor (L1) in series connection, the first capacitor (C1) being connected to a connecting node between the first switch (Q1) and the second switch (Q2); a transformer, configured to comprise a primary coil and a secondary coil, the primary coil being connected between the first inductor (L1) and a connecting node between the third switch (Q3) and the fourth switch (Q4); an output circuit, configured to be connected to the secondary coil, and output an output voltage from an output port; and a controller, configured to control the first switch network and the second switch network to work under a full-bridge mode or a half-bridge mode, according to the output voltage.
NTCBCBC) generating a type signal indicating the type of the energy storage devices (1). The control circuit (5) detects, in a first period, the type signal to determine the type of energy storage device (1).
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
62.
CONTROL METHOD AND APPARATUS OF BUCK CONVERTING CIRCUIT, BUCK CONVERTING CIRCUIT, LED DRIVER AND LED DEVICE
H05B 45/10 - Controlling the intensity of the light
H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
63.
POWER SUPPLY CIRCUIT, DRIVER AND CONTROLLING METHOD
A power supply circuit, a driver and a controlling method. The power supply circuit includes: a buck circuit, configured to convert input DC (direct current) voltage into output DC voltage, the buck circuit comprising a diode, an inductor, a capacitor and a switch, the output DC voltage being outputted from output ports (VOUT+, VOUT -); a controller (MCU), configured to output a controlling signal (PWM signal) according to a feedback voltage (Vout), the feedback voltage being obtained by a voltage detection circuit being connected between one output port and ground port; and a MOS Drive circuit, configured to drive the switch of the buck circuit according to the controlling signal, an off state time (Toff) for each cycle of the controlling signal is set according to an output compare (OC) reference voltage.
H02M 3/156 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
The invention relates to a control module (1) for an LED module (2) with at least one LED (2a). The control module (1) is configured for being detachably attached to the LED module (2) such that the control module (1) is electrically connected to the LED module (2) when being detachably attached to the LED module (2). The control module (1) is configured to control light emission of the at least one LED (2a) when being detachably attached to the LED module (2). Further, the invention relates to an LED module (2) comprising at least one LED (2a). The LED module (2) is configured for detachably attaching a control module (1) to the LED module (2) such that the control module (1) is electrically connected to the LED module (2) and the light emission of the at least one LED (2a) is controllable by the control module (1).
A power supply circuit, a DALI (digital addressable lighting interface) module, a lighting equipment and a controlling method. The power supply circuit includes: a power source circuit (100); a regulating transistor (Q161), configured to be connected between the power source circuit and a first output port (DA+); a first controller (U160), configured to control the regulation transistor (Q161) to be turned on or off; and a current regulation controller (A), configured to be connected between the power source circuit and a second output port (DA-), the current regulation controller (A) being further connected between the regulating transistor (Q161) and the first controller (U160), when a current of the second output port (DA-) being larger than a preset value, the current regulation controller (A) turning down a current flowing through the regulating transistor (Q161).
An antenna device, a light emitting diode (LED) driver and a LED device are provided. The antenna device includes an antenna and a multiple-layer Printed Circuit Board (PCB); wherein, a Safety or Separated Extra Low Voltage (SELV) area of the multiple-layer PCB is used to layout the antenna, and the antenna is placed in buried layer of the multiple-layer PCB. It is expected to save the PCB space while with a miniaturization structure and a low cost and production steps.
Disclosed is a power supply (1) for an LED load (2), comprising an isolating transformer (13) configured to inductively transfer power of a rectified mains supply (17) from a primary side (11) of the power supply (1) to a secondary side (12) of the power supply (1); and a first capacitor (18) capacitively coupling the primary and secondary sides (11, 12); the secondary side (12) comprising output terminals (16) connectable to the LED load (2); an LED driver (15) configured to drive the LED load (2) using the power transferred to the secondary side (12); a second capacitor (19) serially connected to the first capacitor (18), the first and second capacitors (18, 19) configured to capacitively couple a ground potential of the primary side (11) and a ground potential of the secondary side (12); a processing unit (22) configured to evaluate a voltage across the second capacitor (19) and to determine presence and/or a value, e.g. a frequency, of a voltage of the mains supply (17) based on the voltage across the second capacitor (19); characterized in that the secondary side (12) further comprises an operational amplifier (21) configured to amplify the voltage across the second capacitor (19) by an open-loop gain that decreases with rising frequency.
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 7/06 - Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
G01R 23/10 - Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted
Disclosed is a LED module (4), comprising input terminals (41) connectable to an LED driver (3); a plurality of LED lighting means (42, 43) having different color temperatures; an auxiliary load (44A, 44B, 44C) connected between the input terminals (41) and the plurality of LED lighting means (42, 43); and one or more first switches (45A; 45B, 45C) configured to select, in dependence of one or more first PWM control signals (46A; 46B, 46C), at most one of the plurality of LED lighting means (42, 43) for feeding by the LED driver (3). This provides a smaller and less expensive tunable white LED module, wherein the auxiliary load (44A; 44B; 44C) is configured to allow current to bypass the plurality of LED lighting means (42, 43) when none of the plurality of LED lighting means (42, 43) is selected for feeding by the LED driver (3).
Disclosed is a lighting control device (4), comprising a transmitter unit (41) connectable to a field bus (6) and configured to conduct a wireline transmission of the lighting control device (4) on the field bus (6) by intermittently applying a logic low signal level to the field bus (6). The logic low signal level comprises a positive voltage. The lighting control device (4) is configured for power intake off the field bus (6) when the positive voltage is present on the field bus (6). This improves the energy supply capacity of networked devices of a field bus.
A light emitting diode (LED) converter and device are provided. The LED converter includes: a controller which is configured to control a power supply for a LED, and a push button which is configured to couple with the controller, wherein the push button is isolated from the controller by at least one safety capacitor between the push button and the controller. Therefore, the push button can be isolated from the controller to improve safety while with a simple structure and a low cost.
Disclosed is a strain relief accessory (1) for an independent arrangement of a lighting driver (2) devoid of an enclosure. The lighting driver (2) comprises a wire-bound communication interface (21) and an integrated power supply (22). The strain relief accessory 5 (1) comprises a base member (13) including strain relief members (14, 15), and cover members (11, 12). The strain relief members (14, 15) are arranged at opposite end portions of the base member (13) for a strain relief of termination wires (23, 24) of the lighting driver (2). The cover members (11, 12) are configured for a snap-on engagement of the lighting driver (2) and for a protective coverage of the strain relief members (14, 10 15) and the termination wires (23, 24). One (12) of the cover members (11, 12) comprises a receptacle (121) for a snap-on engagement of a communication module (3) for a conversion between the wirebound communication interface (21) and a wire-less communication interface of the communication module (3). This avoids a number of disadvantages that are usually implied when providing so-called "independent applications" with wireless connectivity.
A coupling arrangement (10) for reversibly mechanically and electrically coupling a terminal connector (200) to a circuit board arrangement (100) comprising, the circuit board arrangement (100), which contains a circuit board (110) and a connecting element (120) being mechanically connected to the circuit board (110). Hereby the connecting element (120) comprises at least one connecting unit (121), wherein each connecting unit (121) comprises a first electrical connection point (124) being electrically connected to the circuit board (110). Moreover, the coupling arrangement further contains the terminal connector (200) comprising at least one terminal connector unit (210) and a housing (205) for carrying the at least one terminal connector unit (210). In a mechanical connection state of the terminal connector (200) and the circuit board arrangement (100), the respective terminal connector units (210) and connecting units (121) are coupled, providing an electrical connection of the terminal connector (200) and the circuit board (110).
H01R 12/72 - Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
H01R 4/48 - Clamped connections; Spring connections using a spring, clip or other resilient member
H01R 31/00 - Coupling parts supported only by co-operation with counterpart
H01R 24/28 - Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
H01R 11/05 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating characterised by the type of the connecting locations on the individual element or by the type of the connections between the connecting locations and the conductive members the connecting locations having different types of direct connections
The present invention provides an LED driver with two output channels. The LED driver comprises a transformer and a half bridge comprising two switches for providing a primary side alternating current to a primary winding of the transformer causing a secondary side alternating current of a secondary winding arrangement of the transformer. The two output channels are electrically connected to the secondary winding arrangement such that, dependent on the primary side alternating current, based on the secondary side alternating current a rectifier circuit of a first output channel is configured to provide a first current and a rectifier circuit of a second output channel is configured to provide a second current. A control unit of the LED driver is configured to adjust the ratio between the first current and the second current by controlling a duty cycle of a switching of one of the two switches of the half bridge.
H02M 3/00 - Conversion of dc power input into dc power output
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
74.
ELECTRONIC DEVICE WITH CONDUCTOR TRACE FUSE AND HOUSING
An electronic device, especially designed as an operating device for illuminants, comprises a printed circuit board (10) with an electronic circuit (11, 13), wherein the electronic circuit (11, 13) has at least one conductor trace fuse (1). The electronic device further comprises a housing for receiving the printed circuit board (10), which housing almost completely encloses the printed circuit board (10). The electronic device is characterized in that the electronic device further comprises at least one divertor element (23.1, 23.2) within the housing (22), and in that the at least one divertor element (23.1, 21.2) passes through an associated recess of the printed circuit board (10).
Conductor trace fuse for an electrical device, wherein the conductor trace fuse has a first connection section and a second connection section, and a conductor trace section arranged between the first connection section and the second connection section. Conductor trace section is characterized in that the conductor trace section and/or the first and the second connection section are constructed as a conductor trace that is flexible at least in subsections. Further shown is an arrangement of a circuit board and a corresponding conductor trace fuse, and an electrical device with such an arrangement.
A driver device, for example a flyback converter device, comprises a primary circuit including a controlled switch. The primary circuit is supplied by a mains supply voltage. The driver device further comprises a secondary circuit for providing a load current to a load, for example to a light emitting device. An isolation stage of the driver device includes a transformer with a primary winding and a secondary winding. The isolation stage is configured to isolate the primary circuit on a primary side and the secondary circuit on a secondary side by an isolation barrier. The driver device further comprises a control circuit arranged on the secondary side. The transformer comprises an additional secondary winding arranged in phase with the primary winding on the secondary side. The control circuit is configured to determine presence and/or a value of the mains supply voltage for a time in which the controlled switch is conducting based on a voltage signal provided by the additional secondary winding.
A power supply circuit, a controlling method and a lighting equipment. The power supply circuit includes: a controller, configured to output first PWM signal, cycle duty of the first PWM signal is controlled by an active time (t_on); control unit, configured to generate controlling signal according to the first PWM signal; drive circuit, configured to generate driving signal according to the controlling signal; switch element, configured to be turned on or off according to the driving signal; a voltage converter, configured to be connected between a first input port and two output ports; and a resistor, configured to be connected between the switch element and a ground port, the switch element being connected between the voltage converter and the resistor, when target output current of the two output ports changes, the controller changes the active time of the first PWM signal in step form, the active time being fixed in each step of the active time, and the controller changes frequency of the first PWM signal in each step of the active time.
The invention relates to an electrical connector (1) for a circuit board (10), having: a circuit board carrier (2) for receiving an end face contact portion (11) of the circuit board (10) in a receiving direction (A), a fastening element (3) having coupling elements (4) for interlockingly fastening the circuit board (10) in the electrical connector (1), wherein the fastening element (3) can be placed on the circuit board carrier (2) in a placement direction (S) such that the coupling elements (4) interlockingly fasten the end face contact portion (11) on both sides of the receiving direction (A).
H01R 12/81 - Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to another cable except for flat or ribbon cable
H01R 12/89 - Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures acting manually by moving connector housing parts linearly e.g. slider
H01R 12/75 - Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
H01R 13/506 - Bases; Cases composed of different pieces assembled by snap action of the parts
H01R 4/48 - Clamped connections; Spring connections using a spring, clip or other resilient member
H01R 12/77 - Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
LEDBUSHBHB_ctrlLED _avg_targetLED avgHBHB_ctrlBUSHBBUSHBBUSBUSBUS). The driver (1) is capable of performing adaptive in-service mitigation of light flicker.
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
The present invention provides a movement detector (2) for a luminaire (1), wherein the movement detector (2) comprises a radar sensor (2a), the radar sensor (2a) comprising an antenna array with a plurality of antennas (2b). The movement detector (2) is configured to detect, in a detection area (A1, A2), movement of a physical object, optionally a person, using the radar sensor (2a). At least two antennas of the plurality of antennas (2b) are configured to set the detection area (A1, A2) of the movement detector (2) by emitting electromagnetic waves with a phase shift between each other. The present invention further provides a luminaire (1) comprising such a movement detector (2), and a method for setting a detection area (A1, A2) of a movement detector (2) for a luminaire (1).
G01S 13/56 - Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
G01S 13/86 - Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
G01S 13/88 - Radar or analogous systems, specially adapted for specific applications
H05B 45/00 - Circuit arrangements for operating light-emitting diodes [LED]
H05B 47/115 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
G01S 13/42 - Simultaneous measurement of distance and other coordinates
H01Q 3/36 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase by electrical means with variable phase-shifters
G01S 13/02 - Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
The invention relates to a communication gateway module (300) having: a wireless interface (301), a wired bus interface (302) comprising wired bus terminals (302a, 302b), e.g. a DALI bus interface, a mains supply interface (303) comprising mains voltage terminals (303a, 303b) and a control circuit (304). The control circuit is configured to determine whether a mains voltage is supplied to the mains supply terminals (303a, 303b) and to power the gateway module (300) in the positive case, and to determine whether a bus with non-zero quiescent state is connected to the wired bus terminals (302a, 302b), and to power the gateway module (300) off the wired bus terminals (302a, 302b) in case no mains voltage is supplied at mains voltage terminals (303a, 303b).
Disclosed are current limiters (23) for a power supply (2) of a lighting control bus (6), a power supply (2) for the lighting control bus (6), and a lighting control system. A current limiter (23) of the first aspect avoids high output current ripple when a current (I) of the lighting control bus (6) is limited by the circuit. A current limiter (23) of the second aspect achieves an overvoltage protection of a first switch (12) of the current limiter (23). Furthermore, a cost and size optimized power supply for the lighting control bus (6) is obtained.
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02H 9/02 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
H05B 47/18 - Controlling the light source by remote control via data-bus transmission
The present invention provides a system comprising a luminaire and a camera module. The luminaire and the camera module each comprise an interface for mechanically and electrically connecting the camera module and the luminaire with each other. The luminaire is configured to electrically supply the camera module with electrical energy via the interface of the luminaire and the interface of the camera module, when the interface of the camera module is electrically and mechanically connected to the interface of the luminaire. The camera module comprises a control circuit and at least one image sensor. The image sensor is configured to detect an image of an area within the detection field of the camera module and provide the image in the form of image data to the control circuit. The control circuit is configured to determine information on the area by extracting the information from the image data.
H05B 47/125 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
84.
METHOD FOR ESTIMATING THE CONDITION OF EMERGENCY LIGHTING DEVICES
Lighting system comprising at least one converter device (10, 11, 12, 15) and a control device (1). The converter device (10, 11, 12, 15) comprises a controlling means (11) and storage means (12) and is configured to provide a supply voltage and/ or current to an illuminant (14), to detect an operating status and/or an operating condition of the at least one converter device (10, 11, 12, 15), wherein the controlling means (11) is configured to store device information indicating the detected operating status and/or the detected condition in a nonvolatile manner in the storage means (12), wherein the storage means (12) is a n NFC reader/writer. The control device (1) is configured to receive the device information, to predict a malfunction of the at least one converter device (10, 11, 12, 15) based on the device information and/ or to determine a malfunction of the at least one converter device (10, 11, 12, 15) and at least one operating condition causal to the determined malfunction based on the device information.
H05B 47/21 - Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant for protection of two or more light sources connected in parallel
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H05B 47/175 - Controlling the light source by remote control
H05B 47/19 - Controlling the light source by remote control via wireless transmission
The invention relates to a driver (300) for lighting means, having output terminals for supplying lighting means and further comprising: a casing; and a wireless communication antenna port (302a) exposed to the outside, wherein the antenna port (302a) is connected to an integrated programmable control circuit (301) of the driver (300) such that a programming signal supplied from the external to the antenna port (302a) by an electrically conducting connection is received at an input terminal of the control circuit (301) and processed by the control circuit (301) of the driver (300).
The present invention provides a method for predicting a remaining lifetime of an electrical component of an electrical circuit, the electrical circuit being part of a building management device. The method comprises: estimating (S1) two or more estimated temperatures of the electrical component by using a trained machine learning model of the electrical component that is trained based on training data. Further, the method comprises: generating (S2) a temporal course of temperature of the electrical component based on the two or more estimated temperatures; and computing (S3), based on the temporal course of temperature of the electrical component, an indicator for the remaining lifetime of the electrical component. The present invention also provides a method for predicting a remaining lifetime of an electrical circuit being part of a building management device.
The invention relates to a synchronous flyback converter (100), comprising a galvanic isolation stage (101); a first controllable switch (103) on a primary side of the galvanic isolation stage (101); a second controllable (105) switch on a secondary side of the galvanic isolation stage (101); and a control unit (107). The control unit (107) is configured to control a switching operation of the first controllable switch (103) and the second controllable switch (105) based on a first control loop which controls an output current of the flyback converter (100) to a target value, and based on a second control loop which controls a negative peak value of a secondary side current to a reference value.
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
VCELLCELL VTT ICCCC VCELLCELL ·ICCCC VTT ·ICCCC ICELLCELL ICCCC VCELLCELL VMAXMAX VMAXMAX ICELLCELL ITT T ). This battery charging procedure reduces a worst-case charging power in relation to known CC-CV charging algorithms, relaxes power ratings of the electronic components of the battery charger (2), and provides a safer design having a prolonged lifetime.
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
The disclosure relates to a driver for lighting means (100) comprising: input terminals (101a, 101b) for an optionally rectified AC voltage; output terminals (104a, 104b) for supplying a LED load (105), a detection circuitry (102) connected to the input terminals (101a, 101b), configured to obtain a signal representing a frequency of the AC voltage and an amplitude of the peak of each cycle of the AC voltage, and a control circuit (103) being connected to the detection circuitry (102) and supplied with said signal.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H05B 47/105 - Controlling the light source in response to determined parameters
90.
METHOD AND DEVICE OF DETECTING OPEN LOAD FOR DIMMABLE CONSTANT VOLTAGE DRIVER
A method and device of detecting open load for a dimmable constant voltage driver, and a dimmable constant voltage driver. A voltage on a switch for dimming at a dimming condition is detected and a detection signal is obtained, the open load condition could be determined according to the detection signal. The reason is that when current flows through a load the load would act as a pull up element at a dimming condition, and a voltage could be detected. Therefore, the shunt resistor or the current sensing transformer is not needed, and a low cost and high efficiency could be achieved for open load detection.
Disclosed is an adapter device (1) for connecting a web-based IDE (201) and a debug interface (301) of a microcontroller (3), comprising a first communication interface (101) configured to exercise a first communication protocol and connectable to a web client (2) configured to execute the web-based IDE (201); a second communication interface (102) configured to exercise a second communication protocol and connectable to the debug interface (301) of the microcontroller (3); and a processor (103) configured to convert between the first communication protocol and the second communication protocol. This enables an integration of debug probes into web-based IDEs, and having a complete embedded software engineering workflow in a web browser.
The present invention provides a lighting system (l) for providing light to an area. The system (l) comprises: at least one LED light source (2), LED-LS, configured to emit white light, and a control unit (3) configured to control a light emission of the at least one LED-LS (2). The control unit (3) is configured to control the light emission of the at least one LED-LS (2) based on moisture information on a moisture in the area such that in case the moisture information fulfills a condition regarding the moisture in the area, the control unit (3) controls the at least one LED-LS (2) to emit only light of a spectrum comprising a reflection probability of light-reflection on water drops smaller than a probability threshold. The present invention further provides a method for providing light to an area.
An emergency lighting system (1) is provided, having an emergency driver module (101) for powering an emergency lighting means (102) off a battery (103), terminals (104) for supplying the emergency lighting means (102), and a first communication interface (105) for communicating with one or more sensor modules (106). The emergency lighting means (102) and the battery (103) are respectively connectable to the emergency lighting system (1). This evolves a simple mandatory emergency lighting functionality to an intelligent smart connected system.
A power supply circuit, a controlling method and a lighting equipment. an input circuit, configured to receive input power and convert the input power into a first direct current (DC) power, the input circuit comprising an input PFC (Power Factor Correction) circuit and a transformer, the input PFC circuit receiving the input power, a primary winding of the transformer being connected to the input PFC circuit, a secondary winding of the transformer outputting the first direct current power; an output regulator, configured to convert the first direct current power into a second direct current power, the second direct current power being used to drive an electric equipment; a controller, configured to output a controlling signal via an output pin according to a first detecting signal or a second detecting signal, the controlling signal being used to generate a feedback signal which is inputted to a feedback pin of a PFC chip of the PFC circuit, the first detecting signal being generated according to status of the input power, the second detecting signal being generated according to status of the output regulator, when failure status of the output regulator is detected, the PFC chip is controlled to lower down the second direct current power, when the input power is DC power, the PFC chip is controlled to lead the second direct current power into a jitter mode.
H02M 7/12 - Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
The invention relates to an emergency LED driver (100) for supplying an LED load (300), comprising a mains connection (101) for receiving a mains voltage; an output port (105) configured to forward a driver supply voltage based on said mains voltage to an external driver (200); an input port (107) configured to receive an LED supply voltage from the external driver (200); an LED connection (113) for connecting the LED load (300) to the emergency LED driver (100); and a load side relay (111). In a non-emergency mode, the load side relay (111) is adapted to electrically connect the LED connection (113) with the input port (107), such that the LED supply voltage received at the input port (107) is forwarded to the connected LED load (300). Upon a failure of the mains voltage, the load side relay (111) is configured to maintain the connection between the LED connection (113) and the input port (107) for a predefined delay time, and, after said delay time has passed, disconnect the input port (107) from the LED connection (113) and switch over the voltage supply of the LED load (300) to a battery (110).
H05B 45/10 - Controlling the intensity of the light
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H05B 47/105 - Controlling the light source in response to determined parameters
The invention relates to an emergency lighting driver (100) for supplying an emergency lighting means (108), comprising: a control circuit (104), and at least one status indicator LED (108), wherein the control circuit (104) is arranged to perform a duration time test with regard to an operation of the emergency lighting means (108) off a battery (107) connected to the emergency lighting driver (100), and issue a quantitative information of the test result via at least one light parameter of the at least one status indicator LED (109).
A primary-side switched and isolated converter (1) with output terminals (101) for driving LED lighting means (102) is disclosed. The converter comprises: a transformer (103, 104) configured to couple a primary side (105) and a secondary side (106) of the synchronous converter (1); and at least one switch (107) on the primary side (105). The secondary side (106) comprises a current sensing transformer (108 –110) for sensing an indication of a load current (112) induced in the LED lighting means (102) when connected to the output terminals (101). The current sensing transformer (108 –110) comprises a bifilar primary winding (108, 109). A first filament (108) of the bifilar primary winding (108, 109) is configured to conduct a secondary side current (111) induced in a secondary winding (104) of the transformer (103, 104) connected to the secondary side (106). A second filament (109) of the bifilar primary winding (108, 109) is configured to conduct the load current (112). The first and second filaments (108, 109) are configured to induce mutually opposing magnetic fluxes in the current sensing transformer (108-110). As a result, galvanic isolation and highly accurate sensing may be achieved at low cost.
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/40 - Means for preventing magnetic saturation
H05B 45/385 - Switched mode power supply [SMPS] using flyback topology
H05B 45/382 - Switched mode power supply [SMPS] with galvanic isolation between input and output
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
98.
ELECTRONIC DEVICE WITH MULTI-FUNCTIONAL CONNECTION TERMINAL
The present invention relates to an electronic device comprising a circuit board (9) and a terminal (3, 24, 44) mounted on the circuit board (9), wherein the terminal (3, 24, 44) comprises at least one conductor connection terminal (7a..7e, 25a..25e, 46a..46d) and an electrical connector and is configured to connect, to a pole of the circuit board (9), an electrical conductor (36a) connected to the at least one conductor connection terminal (7a..7e, 25a..25e, 46a..46d) and to connect, to the pole of the circuit board (9), at least one contact (18a, 39a..39c, 47a..47d) of a plug-in connector (19, 38, 49) connected to the electrical connector.
The invention relates to a primary-side switched, isolated converter for supplying an LED load, having: a primary-side having terminals for supplying a mains voltage, a secondary- side controller arranged on a secondary-side of the isolated converter, wherein the secondary-side controller is configured to issue a control signal for a primary-side switch of the switched isolated converter, a secondary-side circuitry on the secondary-side of the converter comprises: terminals configured to directly or indirectly supply the LED load, and a battery configured to supply the secondary-side circuitry, and a start-up circuitry configured to supply the secondary- side controller from the battery, wherein the start-up circuitry has a control terminal for supplying a start-up signal transmitted from the primary-side to the secondary-side via an isolation stage of the converter.
H02M 1/36 - Means for starting or stopping converters
H02M 3/335 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/00 - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF - Details of apparatus for conversion
H05B 45/385 - Switched mode power supply [SMPS] using flyback topology
H05B 45/382 - Switched mode power supply [SMPS] with galvanic isolation between input and output
A driver device for driving at least one lighting device comprises a driving circuit, a control circuit configured to control the driving circuit based on a firmware stored in a memory of the driver device, and a transceiver configured to perform near field communication via an antenna. The control circuit is configured to control the transceiver to detect presence of a passive near field communication tag within range of the antenna. Preferably, the driver device includes the control circuit is configured to control the transceiver to acquire a data file from the detected passive near field communication tag, and to perform at least one of updating the firmware or controlling the light driving circuit based on the acquired data file.
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