The present disclosure provides a control method and a control apparatus for a communication device, a communication system, and a storage medium. The control method for a communication device includes periodically outputting, a first level signal and a second level signal to the communication bus, and the second communication device establishes a data connection with the first communication device based on that the level signal on the communication bus is the first level signal, and the second communication device establishes a power supply connection with the first communication device based on that the level signal on the communication bus is the second level signal. Since the data connection and the power supply connection do not appear at the same time, the communication bus using the above-mentioned control method does not need to set an inductance compared to the traditional Home Bus.
H04L 12/12 - Dispositions pour la connexion ou la déconnexion à distance de sous-stations ou de leur équipement
F24F 11/54 - Aménagements de commande ou de sécurité caractérisés par des interfaces utilisateurs ou par la communication utilisant une unité de commande centrale connectée à des sous-unités de commande
A heat exchanger includes: a heat exchanger body, the heat exchanger body being provided with first micro-channels and second micro-channels; and a header assembly, including a first header and a second header. The first header is provided with a first header channel which is used for providing a first refrigerant flow to the first micro-channels and/or collecting a first refrigerant flow flowing through the first micro-channels, and the second header is provided with a second header channel which is used for providing a second refrigerant flow to the second micro-channels and/or collecting a second refrigerant flow flowing through the second micro-channels, and heat is exchanged between the first refrigerant flow flowing through the first micro-channels and the second refrigerant flow flowing through the second micro-channels.
F24F 1/24 - Refroidissement des composants électriques
F28D 7/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement
H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
F24F 13/30 - Agencement ou montage d'échangeurs de chaleur
3.
FILTER, MANUFACTURING METHOD FOR FILTER AND AIR CONDITIONER
A filter, a manufacturing method for a filter, and an air conditioner are provided. The filter includes a casing, a transition tube, and a filter screen assembly. The filter screen assembly is provided in the casing, fitted with and connected to an inner wall of the casing, the casing is an integrally formed piece, and two axial ends of the casing have neck sections, and two neck sections are both fixedly connected to the transition tube.
The electric control box includes a box body, a mounting plate, a heat sink, an electronic component and a heat dissipation fan. The box body is provided with a mounting cavity. The mounting board is arranged in the mounting cavity to form a first chamber and a second chamber located on two sides of the mounting board. A first air vent and a second air vent are arranged on the mounting board and are spaced apart. The first air vent and the second air vent are connected to the first chamber and the second chamber. The heat sink is at least partially arranged in the first chamber. The electronic component is arranged in the second chamber and in thermally conductive connection with the heat sink. The heat dissipation fan is used for blowing air and from the first chamber into the second chamber via the first air vent.
The electric control box includes a box body, a mounting plate, a radiator, an electronic component and a cooling fan; the box body is provided with a mounting chamber, the mounting plate is arranged in the mounting chamber and the mounting chamber forms a first chamber and a second chamber which are located at two sides of the mounting plate, the mounting plate is provided with a first ventilation opening and a second ventilation opening which are spaced apart, the first ventilation opening and the second ventilation opening enables communication between the first chamber and the second chamber; the radiator is at least partially arranged in the first chamber; the electronic component is arranged in the second chamber and is in heat conducting connection with the radiator; and the cooling fan is used for supplying air.
Proposed by the present disclosure are an air conditioner, a control method and a computer-readable storage medium. The air conditioner includes: a refrigerant switching device, an indoor heat exchanger, an outdoor heat exchanger, a compressor, a memory, and a processor. The refrigerant switching device includes a liquid pipe, a gas pipe, and a valve assembly. The processor executes a computer program to execute the following: obtaining switching information of a working mode of the air conditioner; and controlling the valve assembly according to the switching information and the gas pipe and the liquid pipe are closed according to the sequence of the gas pipe first and then the liquid pipe, and then opened according to the sequence of the gas pipe first and then the liquid pipe.
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
An air conditioner outdoor unit, including a housing, a heat exchanger, a fan wheel, an electric motor and a support, and the housing is provided with a first cavity and an air outlet in communication with the first cavity; the heat exchanger is arranged in the first cavity and connected to the housing; in a horizontal direction, the heat exchanger includes a first portion and a second portion which are opposite each other, a minimum distance S being provided between the first portion and the second portion; the support is arranged in the first cavity, is connected to the housing, and is located above the heat exchanger; the electric motor is in the first cavity and is arranged on the support; the fan wheel is in the first cavity, is connected to the electric motor, and has a diameter of D; and a first portion of the support is opposite the heat exchanger in a vertical direction, the minimum distance between the first portion and the heat exchanger in the vertical direction is L1, and when S
F24F 1/50 - Agencements des composants dans les éléments extérieurs séparés caractérisés par l'écoulement d'air, p.ex. l'écoulement d'air au niveau de l'orifice d'admission ou de l'orifice de sortie l'air de sortie étant ascendant
F24F 1/38 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments extérieurs séparés, p.ex. élément extérieur à relier à un élément intérieur séparé comprenant un compresseur et un échangeur de chaleur - Parties constitutives des ventilateurs des éléments extérieurs, p.ex. orifices d'admission évasés ou supports des ventilateurs
F24F 1/56 - Carters ou capots des éléments extérieurs séparés, p.ex. grilles de protection de ventilateurs
8.
AIR CONDITIONING APPARATUS AND ELECTRIC CONTROL BOX
The electric control box includes a box body, a mounting board, an electronic component, and a heat sink, the box body being provided with a mounting cavity; the mounting plate is disposed in the mounting cavity and the mounting cavity forms a first cavity and a second cavity located on the two sides of the mounting board; the electronic component is arranged in the second cavity; the heat sink comprises a heat exchange body and a header assembly; the header assembly is used for providing refrigerant flow to the heat exchange body; at least part of the heat exchange body is arranged in the first cavity, and is heat-conductively connected to the electronic component; the mounting board is used for blocking the condensed water on the heat sink from flowing into the second cavity.
Provided are a communication control method and apparatus for an air conditioner, and a communication system and a readable storage medium. The communication control method for an air conditioner includes acquiring a voltage signal on a bus; determining a voltage slope-rising edge and a voltage slope-falling edge in the voltage signal based on that the voltage signal satisfies a comparison condition of a power supply voltage of a communication device and a reference voltage on the bus; performing time comparison on the voltage signal to obtain a processed voltage signal based on that the voltage slope-rising edge and the voltage slope-falling edge satisfy a slope comparison condition; determining, from a data model library, a target data model that is consistent with the processed voltage signal; and outputting data information corresponding to the target data model.
An oil separator of an outdoor unit of an air conditioner includes a tank body, an inlet pipe, a gas outlet pipe and a separating member, the lower end of the tank body being provided with an oil outlet, the inlet pipe being connected to the tank body, the central line of the inlet pipe being parallel to a horizontal direction, the gas outlet pipe being connected to the upper end of the tank body. A mixture has a tangential speed and rotates in the tank body, and oil-gas separation is realized by a centrifugal force, and kinetic energy loss is reduced. The inlet pipe is parallel to the horizontal direction so as to reduce unnecessary collisions between the mixture and the upper end of the tank body, and to allow sufficient time for the mixture to be separated.
F25B 43/02 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur pour la séparation des lubrifiants du frigorigène
B01D 45/16 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge en utilisant la force centrifuge produite par le mouvement hélicoïdal du courant gazeux
Disclosed are a fan apparatus and an air conditioner outdoor unit. The fan apparatus includes: a first wind wheel and a second wind wheel, axially arranged in an interval. A spacing S1 between the first wind wheel and the second wind wheel satisfies S1<(H1+H2)/2, where H1 is a length of the first wind wheel along the axial direction, and H2 is a length of the second wheel along the axial direction.
F24F 1/38 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments extérieurs séparés, p.ex. élément extérieur à relier à un élément intérieur séparé comprenant un compresseur et un échangeur de chaleur - Parties constitutives des ventilateurs des éléments extérieurs, p.ex. orifices d'admission évasés ou supports des ventilateurs
F04D 25/08 - Ensembles comprenant des pompes et leurs moyens d'entraînement le fluide énergétique étant l'air, p.ex. pour la ventilation
A housing assembly includes a panel having a plurality of sub-panels including a first sub-panel and at least one second sub-panel, the first sub-panel being fitted with an electric control box of an air-conditioner outdoor for shielding the electric control box. According to the housing assembly provided in the present disclosure, when an electric control box is to be maintained, only the first sub-panel is removed to expose the electric control box, without removing two panels to expose the electric control box, thereby reducing the difficulty of electric control maintenance and improving the convenience of electric control maintenance.
A compressor return air dryness detection method includes: obtaining an exhaust air pressure, a return air pressure, a working frequency, an exhaust air temperature, and a return air temperature of a compressor; determining a return air saturation temperature corresponding to the return air pressure; calculating a temperature difference value based on the return air temperature and the return air saturation temperature; and in accordance with a determination that the temperature difference value is smaller than a predetermined threshold value, calculating a return air dryness of the compressor based on the exhaust air pressure, the return air pressure, the working frequency, and the exhaust air temperature.
G05B 19/042 - Commande à programme autre que la commande numérique, c.à d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
14.
SEALED BOX CONTAINER, MAIN MACHINE OF HEAT RECOVERY SWITCHING DEVICE, AND REFRIGERATION DEVICE
Disclosed are a sealed box container, a main machine of a heat recovery switching device and a refrigeration device. The sealed box container includes box bodies that are spliced to form a sealed cavity, and is provided with a through hole in communication with the sealed cavity, and the sealed cavity is used for accommodating a pipeline assembly of a main machine, and the pipeline assembly is connected to an external pipeline by means of the through hole.
Disclosed are a heat exchanger fin, a heat exchanger, an indoor unit and an air conditioner. The heat exchanger fin includes a fin body, and the fin body includes an air outlet contour line arranged on one side and an air inlet contour line arranged on the other side; refrigerant pipe mounting holes are provided in the fin body; and on a straight line where the curvature radius of the air outlet contour line of the fin body is located, or on a straight line where the curvature radius of the air inlet contour line of the fin body is located, the distance between the air inlet contour line and the air outlet contour line of the fin body is gradually reduced from the middle to two ends of the heat exchanger fin.
F24F 1/0067 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par des échangeurs de chaleur - par la forme des échangeurs de chaleur ou de leurs parties constitutives, p.ex. par la forme de leurs ailettes
F28F 1/20 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant longitudinalement les moyens pouvant se fixer à l'élément
An air conditioner indoor unit includes: a shell having an air inlet and an air outlet, the air outlet is located at the bottom of the shell; and at least one heat exchanger group. The air flows through the air inlet and is subjected to heat exchange via the at least one heat exchanger group, and then flows out from the air outlet. The heat exchanger group includes: a first heat exchanger; a second heat exchanger arranged to be inclined with respect to a first direction, a lower end portion of the second heat exchanger being connected to an upper end portion of the first heat exchanger; a third heat exchanger spaced apart from the first heat exchanger; and a fourth heat exchanger arranged to be inclined with respect to the first direction.
F24F 1/0011 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par les sorties d’air
F24F 1/0067 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs caractérisés par des échangeurs de chaleur - par la forme des échangeurs de chaleur ou de leurs parties constitutives, p.ex. par la forme de leurs ailettes
The present application provides a fault risk analysis system, a fault risk analysis method, an air conditioner and a computer readable storage medium, and the fault risk analysis system comprises: a memory for storing computer programs; a processor for executing the computer programs to implement: obtaining debugging information and/or system operation information, and determining fault inducing factors corresponding to the debugging information and/or the system operation information; and adjusting a fault risk level of the fault category corresponding to the fault inducing factors according to the fault inducing factors. By collecting the debugging information, potential fault inducing factors of the current unit can be accurately reflected; by collecting the system operation information to analyze the fault inducing factors, the fault risk analysis system can obtain more accurate and reliable fault inducing factors.
Provided in the present application are a control system of an air conditioner and an air-conditioning device. The control system of the air conditioner comprises: a main machine control assembly receiving a feedback parameter of a main machine, to adjust, according to the feedback parameter, a water discharge temperature of the main machine; a water pump control assembly, and the water pump control assembly is in communication with the main machine control assembly, to adjust, according to a feedback parameter of the water pump, an operating parameter of a water pump; a cooling tower control assembly, and the cooling tower control assembly is connected to the water pump control assembly, to adjust, according to an environment parameter and a target water discharge temperature, the current water discharge temperature of a cooling tower; and a tail end control assembly.
F24F 5/00 - Systèmes ou appareils de conditionnement d'air non couverts par ou
F24F 11/54 - Aménagements de commande ou de sécurité caractérisés par des interfaces utilisateurs ou par la communication utilisant une unité de commande centrale connectée à des sous-unités de commande
19.
Air Conditioner Control Method and Apparatus, and Computer-Readable Storage Medium
An air conditioner control method and apparatus, and a computer-readable storage medium. The air conditioner control method includes: determining whether a time interval between the current moment and a preset moment at which work is started is less than or equal to the maximum early start duration; if the time interval is less than or equal to the maximum early start duration, acquiring a preliminary demand load corresponding to a central air-conditioner, and acquiring a startup combination load corresponding to the central air-conditioner; and based on the startup combination load and the preliminary demand load, determining a start moment of a host to be started.
F24F 11/48 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance préalablement au fonctionnement normal, p.ex. préchauffage ou refroidissement préliminaire
F24F 11/46 - Amélioration de l’efficacité électrique ou économie d’énergie électrique
F24F 11/61 - Aménagements de commande ou de sécurité caractérisés par des interfaces utilisateurs ou par la communication utilisant des minuteurs
20.
CONTROL METHOD, AIR CONDITIONER, AND COMPUTER READABLE STORAGE MEDIUM
A control method, an air conditioner, and a computer readable storage medium. The control method is used for the air conditioner, and includes obtaining abnormal weather information of a region where the air conditioner is located, determining operating parameters of a draught fan of an outdoor unit in the air conditioner according to the abnormal weather information, and controlling the draught fan of the outdoor unit to operate according to the operating parameters.
Provided are a magnetic bearing compressor, an air conditioner and a protective air gap value setting method. The magnetic bearing compressor includes: a rotor, a magnetic bearing, a sensor, and a control device. The magnetic bearing is sleeved on the rotor; the sensor is arranged on the magnetic bearing and is configured to detect a distance value between the rotor and the sensor on a preset plane; the control device is configured to receive the distance value and determine the minimum distance value and the maximum distance value between the rotor and the magnetic bearing according to the distance value, and obtain an absolute value of a difference of the maximum distance value and the minimum distance value; and the control device obtains a protective air gap value according to the absolute value and a preset protection coefficient when the absolute value is less than or equal to a preset air gap value.
A compressor driving device includes a three-phase alternating current power supply input end, a relay module, a rectifier circuit, and a driving control circuit which are sequentially connected; the rectifier circuit is used for converting connected alternating current into direct current and then outputting the direct current to a direct current bus; the driving control circuit is used for converting the direct current output by the direct current bus into compressor driving power; a pressure switch is used for measuring the pressure value in a refrigerating system, and when the measured pressure value is larger than a preset pressure threshold, disconnecting the power supply circuit of the relay module; the driving control circuit is also used for detecting the on-off state of the pressure switch and controlling the compressor to stop working when the pressure switch is switched off.
F24F 11/32 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques
H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p.ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs
F24F 11/86 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération
23.
Central Air Conditioner, Air Conditioner Water System, Control Method Therefor, and Control Device Thereof
An air conditioner water system, a control method therefor, and a control device thereof, the method includes acquiring the pressure difference and temperature difference between a water intake pipe and a water discharge pipe of an air conditioner water system, the water intake pipe being connected to an inlet of a host module of the air conditioner water system, and the water discharge pipe being connected to an outlet of the host module; detecting and confirming that the pressure difference is less than or equal to a preset pressure difference, and controlling the operating frequency of a water pump of the air conditioner water system according to the pressure difference; and detecting and confirming that the pressure difference is greater than the preset pressure difference, and controlling the operating frequency of the water pump of the air conditioner water system according to the temperature difference.
F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
F24F 11/85 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de pompes à débit variable
24.
Centralized control method and system for VRV air conditioning system, and computer readable storage medium
Disclosed is a centralized control method for a VRV air conditioning system, includes a debugging terminal sending a first acquisition request to a cloud server on the basis of an identification code, the debugging terminal creating a project on the basis of system information, the debugging terminal uploading project information corresponding to the project to the cloud server, and the cloud server generates a delivery code corresponding to the project information, a centralized control device sending a second acquisition request to the cloud server on the basis of the delivery code, and the centralized control device loading the project corresponding to the delivery code on the basis of the project information, and activating same. Also disclosed in the present application are a centralized control system for a VRV air conditioning system and a computer readable storage medium.
F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
F24F 11/52 - Aménagements pour l’indication, p.ex. écrans
H04L 67/12 - Protocoles spécialement adaptés aux environnements propriétaires ou de mise en réseau pour un usage spécial, p.ex. les réseaux médicaux, les réseaux de capteurs, les réseaux dans les véhicules ou les réseaux de mesure à distance
25.
Air Conditioner, and Control Method and Device for Heating System Thereof
An air conditioner, and a control method and device for a heating system thereof, wherein the method comprises: obtaining ambient temperature and external heat exchanger evaporation temperature; obtaining external heat exchanger evaporation pressure, and obtaining, according to the external heat exchanger evaporation pressure, corresponding saturation temperature; and controlling a base plate heating device according to the ambient temperature, the external heat exchanger evaporation temperature, or the saturation temperature. Hence, the base plate heating device is controlled according to the ambient temperature, the saturation temperature corresponding to the external heat exchanger evaporation pressure, or the external heat exchanger evaporation temperature, to avoid freezing of the base plate of an air conditioner, and ensure normal drainage of the base plate during defrosting, thereby improving the stability and reliability of the air conditioner.
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
F24F 11/46 - Amélioration de l’efficacité électrique ou économie d’énergie électrique
F24F 11/42 - Dégivrage; Prévention du gel des éléments extérieurs
F24F 11/61 - Aménagements de commande ou de sécurité caractérisés par des interfaces utilisateurs ou par la communication utilisant des minuteurs
F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
G05B 19/042 - Commande à programme autre que la commande numérique, c.à d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
26.
Control Methods and Devices for a Low-Temperature Cooling Air Valve
A control method and device for a low-temperature cooling air valve include: obtaining an actual system pressure, an ambient temperature, and a system energy requirement; and determining an opening degree pre according to the actual system pressure, the ambient temperature, and the system energy requirement. The control method is employed to perform combined control on the low-temperature cooling air valve according to the system high pressure, the ambient temperature and the system energy requirement, and can refine the range of opening degrees of the low-temperature cooling air valve and determine an opening degree thereof, thereby facilitating cooling operation of a multi-split air conditioning system in an ultra-low temperature environment, while also increasing the reliability of the cooling operation at low temperature and expanding the operation range.
F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
F24F 11/80 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni
F24F 11/70 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
G05B 19/042 - Commande à programme autre que la commande numérique, c.à d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
27.
Method and Device for Controlling a Low-Temperature Refrigeration Air Valve
A method and a device for controlling a low-temperature refrigeration air valve, the method includes: acquiring a current environment temperature; according to the current environment temperature, determining an initial target pressure of the current system and an initial opening degree of an air valve; acquiring an actual pressure of the current system and a target pressure of the current system; and adjusting an opening degree of the air valve according to a difference value between the target pressure of the current system and the actual pressure of the current system, wherein the air valve is disposed at a low-temperature cover. An opening degree of the air valve is adjusted according to the difference value between the target pressure of the current system and the actual pressure of the current system, to meet the refrigeration demand of the user in an ultra-low temperature environment, expanding the operation scope of refrigeration.
F25D 17/06 - Dispositions pour la circulation des fluides de refroidissement; Dispositions pour la circulation de gaz, p.ex. d'air, dans les enceintes refroidies pour la circulation de gaz, p.ex. convection naturelle par circulation d'air forcée
28.
Two-pipe enhanced-vapor-injection outdoor unit and multi-split system
A two-pipe enhanced-vapor-injection outdoor unit and a two-pipe enhanced-vapor-injection multi-split system are provided. The two-pipe enhanced-vapor-injection outdoor unit includes an outdoor heat exchanger, an enhanced-vapor-injection compressor, a reversing assembly, a super cooler, a throttling assembly and a first pipe. The reversing assembly includes a first end and a second end connected with a gas discharge port and a gas return port, respectively. A main heat-exchange flow path is connected with the first port and the second port, respectively. An auxiliary heat-exchange flow path is connected with the injection port. The throttling assembly includes two ends connected with an outlet of the main heat-exchange flow path and an inlet of the outdoor heat exchanger. The first pipe includes a first end connected with an outlet of the outdoor heat exchanger, and a second end arranged between the throttling assembly and the main heat-exchange flow path.
Disclosed are a motor variable frequency driving system and a multi-split central air conditioner. The motor variable frequency driving system includes: a three-phase alternating-current input, a rectification module, a thin-film capacitor, an inverter, a vector control module, an A/D sampling module and a steady state processing module. The rectification module is connected to the three-phase alternating-current input; the thin-film capacitor is arranged between output ends of a direct current output; an input end of the inverter is connected to an output end of the direct current output; an output end of the inverter is connected to a three-phase alternating current motor; the vector control module is connected to the inverter; the A/D sampling module is used for collecting direct current bus voltages of two ends of the thin-film capacitor; and the steady state processing module is connected to the A/D sampling module.
H02P 6/00 - Dispositions pour commander les moteurs synchrones ou les autres moteurs dynamo-électriques utilisant des commutateurs électroniques en fonction de la position du rotor; Commutateurs électroniques à cet effet
H02P 6/16 - Dispositions de circuits pour détecter la position
H02P 21/22 - Commande du courant, p.ex. en utilisant une boucle de commande
H02P 21/18 - Estimation de la position ou de la vitesse
H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p.ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
30.
Method for controlling multi-split air conditioner, multi-split air conditioner system, and computer-readable storage medium
A method for controlling a multi-split air conditioner. The method includes detecting whether the degree of superheat of each outdoor unit meets a target requirement, if yes, determining whether a difference between an average exhaust temperature of each outdoor unit and an average exhaust temperature of an outdoor unit system reaches a preset value, if yes, comparing the size of the average exhaust temperature of each outdoor unit with the size of the average exhaust temperature of the outdoor unit system, according to the result between the size of the average exhaust temperature of each outdoor unit and the size of the average exhaust temperature of the outdoor unit system, controlling an electronic expansion valve to actuate to make the average exhaust temperature of each outdoor unit to approximate to the average exhaust temperature of the outdoor unit system.
F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
G05B 19/042 - Commande à programme autre que la commande numérique, c.à d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
Provided are a control method and control device of an air conditioner and an air conditioner. The control method of the air conditioner includes: when a starting capacity of an indoor unit is lower than or equal to a capacity threshold value and a low-voltage protection signal is received, an opening degree of an electronic expansion valve is adjusted. By applying the technical solution provided in embodiments of the present disclosure, when the starting capacity of the indoor unit is low, a shutdown of the air conditioner caused by a false alarm of the low-voltage protection signal due to the fact that an operating load of the air conditioner is low and the opening degree of the electronic expansion valve is low can be avoided, frequent false shutdown caused by the fact that the starting capacity of the indoor unit of the air conditioner is low is avoided, the reliability of the air conditioner can be effectively improved, and the comfort of a user for using the air conditioner is further improved.
F24F 11/49 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance en assurant un fonctionnement correct, p.ex. par des essais ou par des contrôles de la configuration
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
F24F 11/61 - Aménagements de commande ou de sécurité caractérisés par des interfaces utilisateurs ou par la communication utilisant des minuteurs
G05B 13/02 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
33.
Multi-split system and method and apparatus for adjusting oil volume of compressor of multi-split system
A multi-split system and a method and device for adjusting an oil volume of a compressor of a multi-split system. The adjusting method comprises the following steps: recycling oil back to an oil storage tank by controlling a switch unit to turn on and an oil volume adjusting unit to turn off; when a continuous time over which the oil storage tank recycles oil reaches a first pre-set time (t1), controlling the switch unit to turn off and controlling a multi-split system to perform a test run; obtaining, according to a low-pressure piping pressure loss (P1) and a refrigerant flow (Q), a low-pressure piping pipe diameter (D) and a low-pressure refrigerant density (Den), an excess oil volume (Q2) that needs to be recycled, and obtaining, according to the excess oil volume and a maximum oil storage volume (Qz) of the oil storage tank, an oil volume to be expelled (Q3).
F24F 11/49 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance en assurant un fonctionnement correct, p.ex. par des essais ou par des contrôles de la configuration
F24F 1/0003 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale caractérisés par un agencement modulaire, c. à.d dans lesquels des parties du système de conditionnement d’air, p.ex. l'évaporateur et le condenseur, sont disposées dans des éléments séparés
F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance
The control method and system for the variable-frequency compressor includes: acquiring an operation current and an operation frequency of the variable-frequency compressor; determining that the operation current is greater than or equal to a preset frequency-limited current, and reducing the operation frequency to a preset frequency-limited frequency so as to enable the variable-frequency compressor to enter a frequency-limited mode; detecting an operation current at the moment of the variable-frequency compressor every preset duration; determining that the operation current at the moment meets a preset up-conversion condition, and increasing an operation frequency at the moment of the variable-frequency compressor by a preset up-conversion frequency step size until the variable-frequency compressor retreating from the frequency-limited mode; and determining that the operation current at the moment does not meet the preset up-conversion condition, and controlling the variable-frequency compressor to maintain the operation frequency at the moment.
F24F 11/86 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
H02P 27/04 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p.ex. tension d’alimentation d’onduleurs ou de convertisseurs
35.
Air conditioner controlling method and apparatus and air conditioner having the same
The present disclosure discloses an air conditioner controlling method and apparatus, as well as an air conditioner having the same. The method includes: determining that an outdoor heat exchanger of the air conditioner runs in an evaporator state; acquiring a state signal of a refrigerant of an indoor refrigerating unit; and adjusting an opening degree of an electronic expansion valve of an outdoor unit according to the state signal of the indoor refrigerating unit. This method may adjust the opening degree of the electronic expansion valve of the outdoor unit according to the state signal of the indoor refrigerating unit when the outdoor heat exchanger of the air conditioner runs in the evaporator state, thereby effectively improving the reliability of control, broadening the reliable operation range of the system, and reasonably distributing the refrigerant between the indoor refrigerating unit and the outdoor unit under a low temperature working condition.
F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
G05B 13/04 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
F24F 140/00 - Entrées de commandes relatives aux états du système
36.
Air conditioner indoor unit, air conditioner control method, air conditioner and storage medium
An air conditioner indoor unit, comprising a casing, and a fan casing, an electric heating assembly and a heat exchanger assembly which are disposed in the casing. The fan casing has a return air inlet and an air outlet, the electric heating assembly and the heat exchanger assembly are both disposed at the air outlet of the fan casing, and the electric heating assembly is located between the fan casing and the heat exchanger assembly. Further disclosed are an air conditioner control method, an air conditioner, and a storage medium. Since the electric heating assembly is disposed at the air outlet of the fan casing and between the fan casing and the heat exchanger assembly, the fan casing and the heat exchanger assembly can isolate a fire source that may be generated by the electric heating assembly when the electric heating assembly has a blow or other accident.
F24F 11/873 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des appareils de chauffage du réfrigérant
An outdoor unit for an air conditioner and a housing of the outdoor unit are disclosed. The housing includes a cabinet body, a side-by-side door and a door-latching assembly. The side-by-side door is used to open and close the cabinet body, and includes a first door body and a second door body which are opened side by side. The door-latching assembly includes a cabinet-locking member provided on the cabinet body, a door-locking member provided on the first door body and a latch member provided on the second door body. The latch member is movable with respect to the second door body between a locked position where the latch member cooperates with both the cabinet-locking member and the door-locking member in a locked manner and an unlocked position wherein the latch member is separated from both the cabinet-locking member and the door-locking member.
A two-pipe enhanced-vapor-injection outdoor unit and a multi-split system are provided. The two-pipe enhanced-vapor-injection outdoor unit includes: an outdoor heat exchanger and a second port; an enhanced-vapor-injection compressor, including a gas discharge port, a gas return port and an injection port; a reversing assembly, including first to fourth ends; a supercooler, including a main heat-exchange flow path and an auxiliary heat-exchange flow path communicated with each other, the main heat-exchange flow path being connected to the second port, the auxiliary heat-exchange flow path being connected to the injection port; and a throttling assembly having a first end connected to an outlet of the main heat-exchange flow path, and a second end connected to an inlet of the outdoor heat exchanger.
Disclosed are an air conditioning system and its pressure ratio control method and device. The method includes: acquiring an actual pressure ratio of the compressor every preset time period in operation of the air conditioning system; judging whether the actual pressure ratio is greater than or equal to the first pressure ratio corresponding to a current level; controlling the compressor to downshift one level for operation if the actual pressure ratio is greater than or equal to the first pressure ratio corresponding to the current level; further judging whether the actual pressure ratio is less than the second pressure ratio corresponding to the current level if the actual pressure ratio is less than the first pressure ratio corresponding to the current level; and controlling the compressor to upshift one level for operation if the actual pressure ratio is less than the second pressure ratio corresponding to the current level.
F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance
F24F 11/80 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni
F24F 11/85 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de pompes à débit variable
F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
G05B 13/02 - Systèmes de commande adaptatifs, c. à d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
A filter, a manufacturing method for a filter, and an air conditioner are provided. The filter includes a casing (10), a transition tube (20), and a filter screen assembly (30). The filter screen assembly (30) is provided in the casing (10), fitted with and connected to an inner wall of the casing (10), the casing (10) is an integrally formed piece, and two axial ends of the casing (10) have neck sections (11), and two neck sections (11) are both fixedly connected to the transition tube (20).
A heat pump system and a control method therefor are provided. The heat pump system includes an outdoor heat exchanger and an electromagnetic heating assembly. The electromagnetic heating assembly includes an induction heating sheet, an insulation plate, and an electromagnetic induction wire coil. The induction heating sheet is in contact with the outdoor heat exchanger, the electromagnetic induction wire coil is attached to the insulation plate, the insulation plate is connected to the outdoor heat exchanger or the induction heating sheet, the induction heating sheet is coupled with the electromagnetic induction wire coil by communication.
A method and device for adjusting an oil volume of a compressor of a multi-split system. The method comprises the following steps: (S1) during an operation of a multi-split system, detecting at a first pre-set time interval whether an oil volume of a compressor is insufficient; (S2) if the oil volume of the compressor is insufficient, controlling an oil volume adjusting unit to turn on for a second pre-set time and then turn off; (S3) acquiring a total turn-on time of the oil volume adjusting unit, and determining whether the total turn-on time exceeds a pre-set value; (S4) if the total turn-on time exceeds the pre-set value and it has not been detected over a continuous third pre-set time that the oil volume of the compressor is insufficient, recycling oil back to an oil storage tank by controlling a switch unit and the oil volume adjusting unit.
An air conditioning system and a defrosting control method and device thereof including: obtaining defrosting exit time determined in previous defrosting, and controlling the air conditioning system to perform this defrosting according to the defrosting exit time determined in the previous defrosting; in this defrosting process of the air conditioning system, obtaining the temperature of an outdoor environment, and obtaining the temperature of an outlet of an outdoor heat exchanger; determining the temperature of the outdoor environment and the temperature of the outlet of the outdoor heat exchanger; and if the temperature of the outlet of the outdoor heat exchanger is lower than a first preset temperature and lasts a preset time and the temperature of the outdoor environment is lower than a second preset temperature, obtaining forced defrosting time serving as the defrosting exit time of the next defrosting of the air conditioning system, and storing the time.
A heat exchanger, includes a heat exchange pipe unit and a fin unit, the heat exchange pipe unit includes a refrigerant input pipe, a heat exchange pipe assembly and a refrigerant output pipe; the refrigerant input pipe is connected to one end of the heat exchange pipe assembly; the refrigerant output pipe is connected to the other end of the heat exchange pipe assembly; the fin unit is fixedly arranged outside of the heat exchange pipe assembly; the heat exchange pipe assembly and the fin unit are made of aluminum alloy; and the corrosion potential of the aluminum alloy which forms at least a part of the heat exchange pipe assembly is greater than the corrosion potential of the aluminum alloy which forms the remaining part of the heat exchange pipe assembly.
B23P 15/26 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'échangeurs de chaleur
F28F 1/12 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire
45.
Air conditioner defrosting control method and device thereof
Provided are an air conditioner defrosting control method and a device thereof. The air conditioner defrosting control method is: entering a defrosting mode, and detecting the number of defrosting operations executed in the present defrosting mode; according to the number of defrosting operations and an initially set defrosting time, setting the present set defrosting time recording the present defrosting time; detecting that the present defrosting time, and determining that the present defrosting time reaches the preset defrosting time; updating the number of defrosting operations; and setting the next set defrosting time. Through the air conditioner defrosting control method and device, the maximum defrosting time can be self-adaptively adjusted without affecting the use of a user, and preventing the accumulation of a frosting layer, and avoiding the risk of pipes bursting.
An outdoor unit for a central air conditioner and a central air conditioner having the same are provided. The outdoor unit includes a unit body and at least One panel. One side of the unit body is open, and the panel is arranged on the side of the unit body to open and close the unit body. One end of the panel is pivotally and detachably connected to the unit body through a pivot structure. The pivot structure includes a base provided on the unit body and a pivot seat provided on the panel. A top of the base has a pivot shaft spaced apart from the unit body and extending upward, and the pivot seat is provided with a pivot hole having an open bottom and configured to be detachably fitted with the pivot shaft.
F25D 23/12 - Aménagements des compartiments annexes aux compartiments de refroidissement; Réfrigérateurs combinés avec un autre appareil, p.ex. une cuisinière
F24F 1/38 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments extérieurs séparés, p.ex. élément extérieur à relier à un élément intérieur séparé comprenant un compresseur et un échangeur de chaleur - Parties constitutives des ventilateurs des éléments extérieurs, p.ex. orifices d'admission évasés ou supports des ventilateurs
F24F 1/56 - Carters ou capots des éléments extérieurs séparés, p.ex. grilles de protection de ventilateurs
47.
Duct-type air conditioning system, and control method and device for indoor ventilator thereof
A duct-type air conditioning system, a control method and a device for an indoor ventilator thereof. The control method comprises the following steps: upon turning on the duct-type air conditioning system, acquiring an indoor temperature and a set temperature recorded the last time the duct-type air conditioning system was turned off, and acquiring a present set temperature (S1) according to the indoor temperature and the set temperature recorded the last time the system was turned off; detecting a real-time indoor temperature, according to the present indoor temperature and the present set temperature, calculating a temperature difference between the present indoor temperature and the set temperature, and generating an air velocity adjustment instruction according to the temperature difference, controlling, according to the air velocity adjustment instruction, the indoor ventilator to adjust the air supply velocity (S4) of an indoor unit.
F24F 11/77 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air en commandant la vitesse de rotation des ventilateurs
G05B 19/042 - Commande à programme autre que la commande numérique, c.à d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
An outdoor unit (100) for an air conditioner and the air conditioner are disclosed. The outdoor unit (100) for the air conditioner includes: a housing (1), a FREON charging nozzle (14), and a connector assembly. The FREON charging nozzle (14) is disposed in the housing (1); the connector assembly has a first end connected to the FREON charging nozzle (14) and a second end extending out of the housing (1).
F24F 1/06 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments extérieurs séparés, p.ex. élément extérieur à relier à un élément intérieur séparé comprenant un compresseur et un échangeur de chaleur
F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale
F25B 45/00 - Dispositions pour l'introduction ou l'évacuation du frigorigène
49.
Method, device and non-transitory computer readable storage medium for HVAC and fresh air control
A new fan and an anti-cold air control method and apparatus therefor, the method comprising the following steps: during the process of a new fan switching from a heating mode to a cooling mode, acquiring in real time the set temperature and air supply temperature of the new fan and the middle-portion temperature of the indoor heat exchanger of the new fan (S1); acquiring the current output wind speed and the set wind speed of the new fan (S2); and adjusting the output wind speed of the new fan on the basis of the set temperature, the air supply temperature, the middle-portion temperature of the indoor heat exchanger, the current output wind speed, and the set wind speed (S3).
F24F 11/49 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance en assurant un fonctionnement correct, p.ex. par des essais ou par des contrôles de la configuration
F24F 11/67 - Basculement entre les modes de chauffage et de refroidissement
F24F 11/74 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air
F24F 11/81 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en air aux échangeurs de chaleur ou aux canaux de dérivation
G05B 15/02 - Systèmes commandés par un calculateur électriques
A temperature-sensing bulb support for an air-conditioner indoor unit, and an air-conditioner indoor unit are disclosed. The temperature-sensing bulb support includes: a support body. The support body is adapted to be fixed to a housing of the air-conditioner indoor unit. The support body defines a filter mesh positioning groove configured to accommodate an end frame bar of a filter mesh, and the support body further defines a temperature-sensing bulb accommodating groove configured to accommodate a temperature-sensing bulb. The temperature-sensing bulb accommodating groove is isolated from the filter mesh positioning groove by a partition wall, and the temperature-sensing bulb accommodating groove is located outside the filter mesh positioning groove. The temperature-sensing bulb is placed outside the filter mesh while protecting the temperature-sensing bulb, such that the temperature-sensing bulb can detect ambient temperature more accurately, aiding in increasing accuracy of control over the air-conditioner indoor unit.
F24F 1/0007 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs
G01K 1/14 - Supports; Dispositifs de fixation; Dispositions pour le montage de thermomètres en des endroits particuliers
G01K 1/00 - MÉTROLOGIE; TESTS ÉLÉMENTS THERMOSENSIBLES NON PRÉVUS AILLEURS - Détails des thermomètres non spécialement adaptés à des types particuliers de thermomètres
G01K 1/143 - Supports; Dispositifs de fixation; Dispositions pour le montage de thermomètres en des endroits particuliers pour la mesure de la température de surfaces
F24F 11/00 - Aménagements de commande ou de sécurité
F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
An electric control box (100) for an air conditioner and an air conditioner with the same are provided. The electric control box includes a housing (1); a cooling fin (2) running through the housing (1) and having a part located inside the housing (1) and another part located outside the housing (1); an inner water-guiding part (3) located inside the housing (1) and below the cooling fin (2); an outer water-guiding part (4) located outside the housing (1) and below the inner water-guiding part (3), the inner water-guiding part (3) and the outer water-guiding part (4) defining a water guide passage (a) configured to guide water (b) inside the housing (1) to the outside of the housing (1).
The present disclosure provides a method for unlocking an air conditioning unit, including: when a server receives first identity information and unit information from a mobile terminal, performing a verification of the first identity information based on the unit information; and sending an unlocking instruction to the air conditioning unit corresponding to the unit information when the first identity information is verified, such that the air conditioning unit performs an unlocking operation based on the unlocking instruction. The present disclosure also provides a device for unlocking an air conditioning unit and a server. The present disclosure realizes unlocking the air conditioning unit when the first identity information is verified, thus ensuring that the current operator (user) is an authorized operator, and thus further avoiding problems that the air conditioning unit still have malfunctions and that irreversible damages are caused to the air conditioning unit.
F24F 11/62 - Aménagements de commande ou de sécurité caractérisés par le type de commande ou par le traitement interne, p.ex. utilisant la logique floue, la commande adaptative ou l'estimation de valeurs
H04L 29/08 - Procédure de commande de la transmission, p.ex. procédure de commande du niveau de la liaison
A multi-split air conditioning system and liquid return prevention control method thereof. When the multi-split air conditioning system is in heating operation, the multi-split air conditioning system is switched to a defrosting mode to operate for defrosting if an outdoor unit receives a defrosting instruction. After detecting gas exhaust pressure, gas return pressure and gas exhaust temperature of a compressor in real time, the multi-split air conditioning system sends a defrosting completion signal to a diverter, controls the compressor to reduce frequency and a plurality of electric-control valves to open, and controls any one of the electric-control valves to open and the rest of the electric-control valves to close during reversing of a four-way valve, so as to reduce the amount of a refrigerant returned to a low-pressure gas-liquid separator.
F24F 11/42 - Dégivrage; Prévention du gel des éléments extérieurs
F24F 11/64 - Traitement électronique utilisant des données mémorisées au préalable
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
F24F 11/85 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de pompes à débit variable
F24F 3/06 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par les aménagements apportés à la fourniture d'un fluide échangeur de chaleur pour le traitement ultérieur de l'air primaire dans les conditionneurs de pièce
F24F 140/12 - Pression du fluide échangeur de chaleur
54.
Switching device for multi-split air conditioner and multi-split air conditioner having same
A switching device for a multi-split air conditioner and a multi-split air conditioner having same. The switching device has a base, a drain tank, multiple damping pads, and multiple fixing members. The base has a bottom wall and side walls, the side walls surrounding the bottom wall and extending upward from the edge of the bottom wall. The drain tank is disposed in the base, and the bottom surface of the drain tank is vertically spaced apart from the bottom wall of the base. The multiple damping pads are disposed on the drain tank and arranged at intervals in the circumferential direction of the drain tank. The multiple fixing members are respectively disposed on the damping pads and are connected to the side walls of the base. The multiple fixing members are all spaced apart from the drain tank.
F24F 11/72 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
F24F 1/56 - Carters ou capots des éléments extérieurs séparés, p.ex. grilles de protection de ventilateurs
F24F 1/12 - Prévention des vibrations ou du bruit dans les compresseurs
F24F 3/06 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par les aménagements apportés à la fourniture d'un fluide échangeur de chaleur pour le traitement ultérieur de l'air primaire dans les conditionneurs de pièce
55.
Air conditioner system and a control method for the same
The present disclosure provides an air conditioner system and a control method for the same. The air conditioner system includes: a refrigeration system. A first port of a second four-way valve is connected to a pipeline between the first four-way valve and the indoor heat exchanger, and a second port of a second four-way valve is connected to a first position in a pipeline between the indoor heat exchanger and the outdoor heat exchanger. A first port of the first passage of an auxiliary heat exchanger is in communication with a fourth port of the second four-way valve, and a second port of the first passage is connected to a second position in a pipeline between the indoor heat exchanger and the outdoor heat exchanger.
F24F 11/74 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
F24F 11/86 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération
F24B 13/00 - POÊLES OU FOURNEAUX À USAGE DOMESTIQUE, POUR COMBUSTIBLES SOLIDES ; INSTRUMENTS ACCESSOIRES POUR L'UTILISATION DES POÊLES OU DES FOURNEAUX - Parties constitutives propres uniquement aux poêles ou fourneaux brûlant des combustibles solides
A horizontal gas-liquid separator for an air conditioner includes a housing and a refrigerant inlet pipe. The housing defines a cavity. The cavity has a gas outlet formed in the top of the cavity and a liquid outlet formed in the bottom of the cavity. A minimum distance between the gas outlet and a left sidewall of the cavity is denoted by L1, and a minimum distance between the liquid outlet and the left sidewall of the cavity is denoted by L2. The refrigerant inlet pipe is located on a left side wall of the housing and has an end extending into the cavity. A distance between an end face of the end of the refrigerant inlet pipe and the left sidewall of the cavity is denoted by L3, and L3≥L1, L3≥L2.
F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur
B01D 45/00 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge
F25B 40/00 - Sous-refroidisseurs, désurchauffeurs ou surchauffeurs
57.
Switching device for multi-split air conditioner and multi-split air conditioner having same
A switching device for a multi-split air conditioner, comprising: a housing, a gas-liquid separator, multiple first indoor unit interface pipes, at least one heat exchange component, and multiple second indoor unit interface pipes. The gas-liquid separator is provided with an inlet to an outdoor unit, a first outlet, and a second outlet. The multiple first indoor unit interface pipes and the multiple second indoor unit interface pipes are spaced from each other in a first direction. The first outlet is connected to multiple first interfaces by means of the multiple first indoor unit interface pipes, respectively. The first and second indoor unit interface pipes are spaced apart in a second direction. Some of the first and second indoor unit interface pipes are spaced apart from the rest of the first indoor unit interface pipes and the rest of the second indoor unit interface pipes in the second direction.
F24F 11/72 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression
F24F 13/24 - Moyens pour éviter ou supprimer le bruit
F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
F25B 29/00 - Systèmes de chauffage et de refroidissement combinés, p.ex. fonctionnant alternativement ou simultanément
58.
Size determining method and device for fresh air inlet, and indoor unit of air conditioning
The present disclosure provides a method for determining the size of the fresh air inlet performed by a computing device, and an indoor unit of an air conditioner. The computing device acquires an outputting air volume and a fresh air coefficient of the indoor unit of the air conditioner; calculates a cross-sectional area of the fresh air inlet, according to the outputting air volume and the fresh air coefficient of the indoor unit of the air conditioner; and calculates a diameter of the fresh air inlet, according to the cross-sectional area of the fresh air inlet. The indoor unit of the air conditioner having the fresh air inlet can improve the comfort in the indoor environment and user's experience satisfaction without adversely affecting the heat exchange efficiency.
F24F 11/74 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air
F24F 1/0007 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments intérieurs, p.ex. ventilo-convecteurs
A multi-split system and a liquid return prevention control method thereof during defrosting of the multi-split system. The method includes the following steps: when the multi-split system is in heating operation, detecting gas exhaust pressure (PC), gas return pressure (PE) and gas exhaust temperature (TP) of a compressor in real time; if an outdoor unit receives a defrosting instruction, sending a defrosting signal to a diverter and heating indoor units in multiple indoor units, controlling, by means of the diverter, a throttling element (EXV2) to close before first reversing of a four-way valve and last for a pre-set time, so as to reduce the amount of a refrigerant returned to the outdoor unit; and regulating the opening of the throttling element (EXV2) according to the gas exhaust pressure (PC), gas return pressure (PE) and gas exhaust temperature (TP) during defrosting operation of the multi-split system, so that the risk of liquid return occurred to the compressor during a defrosting process, and the safety and reliability of the system are greatly improved.
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur
Provided are an air conditioner and a mode switching control method thereof. The air conditioner comprises an outdoor unit and an indoor unit. One end of the outdoor unit is connected to one end of the indoor unit via a throttling element, and the other end of the indoor unit is connected to the other end of the outdoor unit via a liquid storage tank. The mode switching control method comprises the following steps: when the indoor unit switches to a refrigeration mode, acquiring an outlet superheat degree of the liquid storage tank, and determining whether the outlet superheat degree is less than a first preset value; and if the outlet superheat degree is less than the first preset value, controlling to turn down the throttling element until the outlet superheat degree is greater than a second preset value that is greater than the first preset value.
F24F 11/67 - Basculement entre les modes de chauffage et de refroidissement
F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale
F24F 1/32 - Conduites réfrigérantes pour relier les éléments extérieurs séparés aux éléments intérieurs
F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquides; Dispositions pour la vaporisation des résidus de fluides frigorigènes, p.ex. par la chaleur
F24F 1/06 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments extérieurs séparés, p.ex. élément extérieur à relier à un élément intérieur séparé comprenant un compresseur et un échangeur de chaleur
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
F24F 11/86 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération
F24F 1/0003 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale caractérisés par un agencement modulaire, c. à.d dans lesquels des parties du système de conditionnement d’air, p.ex. l'évaporateur et le condenseur, sont disposées dans des éléments séparés
61.
Method for controlling fresh air machine and fresh air machine
The present disclosure provides a method for controlling a fresh air machine. The method for controlling the fresh air machine of an air-conditioner includes: determining whether a fault occurs in a return air temperature sensor of the fresh air machine when the fresh air machine operates normally; closing an internal valve corresponding to the fresh air machine and keeping a fan motor operating, when the fault occurs in the return air temperature sensor; determining whether a fault occurs in an delivery air temperature sensor of the fresh air machine; when the fault does not occur in the delivery air temperature sensor of the fresh air machine, obtaining an delivery air temperature of the fresh air machine and controlling the fresh air machine to operate again by using the obtained delivery air temperature as a new return air temperature. The present disclosure also provides a fresh air machine. The method for controlling the fresh air machine of the present disclosure may solve the problem that the fresh air machine cannot operate again when the fault occurs in the return air temperature sensor of the fresh air machine, thereby improving the usage experience of the user for the air-conditioner.
F24F 11/70 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes
F24F 11/81 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en air aux échangeurs de chaleur ou aux canaux de dérivation
F24F 11/49 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance en assurant un fonctionnement correct, p.ex. par des essais ou par des contrôles de la configuration
F24F 11/76 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air par des moyens sensibles à la température, p.ex. ressorts bilames
An outdoor unit (100) for a VRF air conditioning system and a VRF air conditioning system having the same are provided. The outdoor unit (100) comprises: a compressor (10); a reversing assembly (20); an outdoor heat exchanger (30) comprising an header (31), an heat exchange portion (32), a plurality of flow-distribution capillary tubes (33) and a flow distributor (34); an electronic expansion valve (40) connected to the flow distributor (34); an refrigerant flow path (50) and an adjusting valve assembly (60), in which the refrigerant flow path (50) is connected to the electronic expansion valve (40), and the adjusting valve assembly (60) is connected to the refrigerant flow path (50) in series; a reversing valve assembly (70) configured to make the refrigerant flow out of the outdoor unit (100) via the second stop valve (120), and make the refrigerant flow into the outdoor unit (100) via the first stop valve (110).
F24F 1/32 - Conduites réfrigérantes pour relier les éléments extérieurs séparés aux éléments intérieurs
F24F 3/06 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par les aménagements apportés à la fourniture d'un fluide échangeur de chaleur pour le traitement ultérieur de l'air primaire dans les conditionneurs de pièce
F24F 5/00 - Systèmes ou appareils de conditionnement d'air non couverts par ou
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
F25B 29/00 - Systèmes de chauffage et de refroidissement combinés, p.ex. fonctionnant alternativement ou simultanément
F25B 30/02 - Pompes à chaleur du type à compression
It is provided a cold-air-avoidance control method and apparatus of an indoor unit of a multi-split air conditioning system, the multi-split air conditioning system includes an outdoor unit and a plurality of indoor units, and the cold-air-avoidance control method includes: obtaining a saturation temperature corresponding to a high pressure of the outdoor unit; obtaining an entrance temperature and a return air temperature of a heat exchanger of each heating indoor unit, and controlling an operating status of the heating indoor unit according to the saturation temperature, the entrance temperature and the return air temperature. With the method according to the present disclosure, reliability and accuracy of controlling the heating indoor unit can be improved, such that the effect of the cold-air-avoidance control is improved, and a more comfortable heating process is provided.
F24F 11/49 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance en assurant un fonctionnement correct, p.ex. par des essais ou par des contrôles de la configuration
F24F 11/74 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance
F24F 11/79 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande de la direction de l’air fourni
The present disclosure provides a defrosting method for an air conditioner. The method includes: acquiring outdoor temperature and outdoor humidity if the air conditioner enters a defrosting mode; judging whether the outdoor temperature and the outdoor humidity satisfy a predetermined condition; and controlling an outdoor fan to rotate reversely according to tube temperature of an outdoor heat exchanger and a defrosting period, so as to defrost a protecting housing surrounding the outdoor heat exchanger if it is judged that the outdoor temperature and the outdoor humidity satisfy the predetermined condition. The defrosting method may efficiently defrost the protecting housing surrounding the outdoor heat exchanger completely. The present disclosure further provides a defrosting device for an air conditioner.
F24F 11/871 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’absorption ou la restitution de chaleur dans des éléments extérieurs en commandant des ventilateurs extérieurs
A method for controlling an electronic expansion valve of a variable refrigerant flow air conditioning system includes steps as follows: when operating in a primary heating mode, obtaining a degree of superheat of return air of a compressor, and performing a control on an opening degree of the first electronic expansion valve according to the degree of superheat; judging the degree of superheat and the opening degree of each refrigerating indoor machine in the plurality of indoor machines; and if the degree of superheat is greater than a first preset degree of superheat and an opening degree in any refrigerating indoor machine reaches a maximum opening degree, obtaining a target medium pressure value by calculating a refrigerant volume of the refrigerating indoor machine reaching the maximum opening degree, and performing a medium pressure control on the first electronic expansion valve according to the target medium pressure value.
A water receiving in an air conditioner is disclosed. Further, a water-receiving tray structure for an indoor unit of an air conditioner, an indoor unit and an air conditioner. The water-receiving tray structure includes a water-receiving tray, an elevating member and a fixed member; the indoor unit having a casing with a first end defining a return-air inlet and a second end opposite to the first end and defining the air outlet, the water-receiving tray being arranged in a direction from the return-air inlet to the air outlet and being located below a heat exchanger of the indoor unit; the elevating member being arranged at an air outlet end of the indoor unit and supporting an air outlet side of the water-receiving tray; the fixed member being arranged in the indoor unit and being connected to an air outlet side of the indoor unit.
The disclosure discloses a variable refrigerant flow (VRF) air conditioning system with dual control over temperature and humidity and a control method thereof, in which the VRF air conditioning system includes multiple indoor machines, an outdoor machine and a controller; the outdoor machine is provided with a first connector and a second connector; each indoor machine includes an indoor throttle valve, a first heat exchanger, a second heat exchanger, a first solenoid valve, a second solenoid valve, a third solenoid valve, a temperature detector and a humidity detector; the controller controls the VRF air conditioning system by controlling the indoor throttle valve, the first solenoid valve, the second solenoid valve and the third solenoid valve in each indoor machine.
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
F24F 1/00 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale
F24F 11/00 - Aménagements de commande ou de sécurité
Provided are a stop valve (100) and an air conditioner having the same. The stop valve (100) includes: a valve seat (1) defining a valve chamber (11) and a fitting chamber (12) in communication with the valve chamber (11), in which the fitting chamber (12) is located at a first end face of the valve chamber (11) and the valve chamber (11) is provided with two ports (112) in communication with the valve chamber (11); a lantern ring (2) fitted in one of the two ports (112); a valve disc (3) including a fitting part (31) and a stopping part (32) disposed to the fitting part (31), in which the fitting part (31) is threadedly fitted with the fitting chamber (12), the stopping part (32) is located in the valve chamber (11); and an elastic sealing member (4).
F16K 1/04 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à tige filetée et dont l'élément de fermeture fait corps avec la tige, p.ex. soupapes principales
A six-way directional valve (100), an outdoor unit (1000) having the same and an air conditioner are provided. The six-way directional valve (100) includes: a valve body (1), defining a valve cavity (5) therein, the valve cavity (5) having a first side wall (11) and a second side wall (12) disposed oppositely to each other, the valve body (1) being provided with a first connecting pipe (A) to a sixth connecting pipe (F); a valve spool (2), movably disposed in the valve cavity (5), a first chamber (21) being defined between the valve spool (2) and the first side wall (11), a second chamber (22) being defined between the valve spool (2) and the second side wall (12), and a third chamber (23) being defined between the valve spool (2), the first side wall (11) and the second side wall (12); and a pilot valve assembly (4).
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
F16K 11/07 - Soupapes ou clapets à voies multiples, p.ex. clapets mélangeurs; Raccords de tuyauteries comportant de tels clapets ou soupapes; Aménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
F16K 31/363 - Moyens de fonctionnement; Dispositifs de retour à la position de repos actionnés par un fluide et dans lesquels il y a alimentation constante du moteur à fluide par le fluide provenant de la canalisation le fluide agissant sur un piston
70.
Multi-split air-conditioner and outdoor unit system thereof
A multi-split air-conditioner and an outdoor unit system thereof are provided. The outdoor unit system includes: a compressor (1) having a gas outlet (a) and a gas inlet (b); an outdoor heat exchanger (2) having an inlet (c) and an outlet (d); a switching assembly (3) having first to sixth ports, wherein the first port (e) is connected with the gas outlet (a) of the compressor (1), the second port (f) is connected with the gas inlet (b) of the compressor (1), the third port (g) is connected with the inlet (c) of the outdoor heat exchanger (2), the fourth port (h) is connected with the outlet (d) of the outdoor heat exchanger (2), the fifth port (i) is connected with an inlet pipe (4) and the sixth port (j) is connected with an outlet pipe (5).
F24F 1/06 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments extérieurs séparés, p.ex. élément extérieur à relier à un élément intérieur séparé comprenant un compresseur et un échangeur de chaleur
F24F 3/06 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par les aménagements apportés à la fourniture d'un fluide échangeur de chaleur pour le traitement ultérieur de l'air primaire dans les conditionneurs de pièce
F16K 11/00 - Soupapes ou clapets à voies multiples, p.ex. clapets mélangeurs; Raccords de tuyauteries comportant de tels clapets ou soupapes; Aménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides
An enhanced vapor injection air conditioning system is provided and includes: a vapor injection compressor, a direction switching assembly, a first outdoor heat exchanger, a second outdoor heat exchanger including first and second heat-exchange flow passages, and an auxiliary electronic expansion valve assembly. A main electronic expansion valve assembly is connected between a first end of the first heat-exchange flow passage and a second end of the first outdoor heat exchanger. The auxiliary electronic expansion valve assembly has a first end connected with an inlet of the second heat-exchange flow passage, and a second end connected to a second end of the first heat-exchange flow passage or between the main electronic expansion valve assembly and the first heat-exchange flow passage. A ratio DB of a sum of a caliber of the main electronic expansion valve assembly to that of the auxiliary electronic expansion valve assembly has a range of 1≤DB≤7.
F25B 1/08 - Machines, installations ou systèmes à compression à cycle irréversible à compresseur à éjection, p.ex. utilisant un liquide sous pression utilisant de la vapeur sous pression
i+1 are within the normal current ranges respectively; and selecting the final section according to the judging result. With the method, the air duct conditioner may automatically select and determine a section according to actual installation environments, and may automatically determine an optimum section in which the ducted air conditioner works.
G06F 19/00 - Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des applications spécifiques (spécialement adaptés à des fonctions spécifiques G06F 17/00;systèmes ou méthodes de traitement de données spécialement adaptés à des fins administratives, commerciales, financières, de gestion, de surveillance ou de prévision G06Q;informatique médicale G16H)
F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance
F24F 11/62 - Aménagements de commande ou de sécurité caractérisés par le type de commande ou par le traitement interne, p.ex. utilisant la logique floue, la commande adaptative ou l'estimation de valeurs
A multi-split system and a medium-pressure controlling method thereof. The multi-split system includes an outdoor unit, a distribution device, and a plurality of indoor units. The distribution device includes a gas-liquid separator, a first heat exchange assembly, a first electronic expansion valve, a second heat exchange assembly and a second electronic expansion valve. The distribution device is configured to perform a routine correction on a medium-pressure control target value of the first electronic expansion valve according to the subcooling degree of the heating indoor unit, the outlet air temperature of the heating indoor unit and the opening of the throttling element in the heating indoor unit, and to correct a current medium-pressure control target value of the first electronic expansion valve according to a preset step when the opening of the throttling element reaches a maximum opening or a minimum opening and lasts for a first preset time.
F24F 3/06 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par les aménagements apportés à la fourniture d'un fluide échangeur de chaleur pour le traitement ultérieur de l'air primaire dans les conditionneurs de pièce
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
F24D 19/10 - Aménagements ou montage des dispositifs de commande ou de sécurité
min−a stands for a first time period t1, in which a is a limit value of a temperature difference; if at least one yes, perform act S3, otherwise, return to act S1; S3, a heat pump system is controlled to stop and an electric auxiliary heating system is started.
Disclosed are a method and a device for controlling refrigerant in an air conditioning system. The method includes: S1: comparing a superheat degree of each outdoor unit with an average superheat degree; S2: if the superheat degree of a present outdoor unit is higher than the average superheat degree, and a first different between the superheat degree of the present outdoor unit and the average superheat degree is greater than a present value, increasing a refrigerant amount entered into the present outdoor unit; and S3: if the superheat degree of the present outdoor unit is lower than the average superheat degree, and a second different between the average superheat degree and the superheat degree of the present outdoor unit is greater than the present value, decreasing the refrigerant amount entered into the present outdoor unit. Therefore, the refrigerant amount entered into each outdoor unit is adjusted from systemic overall perspective.
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance
F24F 11/62 - Aménagements de commande ou de sécurité caractérisés par le type de commande ou par le traitement interne, p.ex. utilisant la logique floue, la commande adaptative ou l'estimation de valeurs
F24F 11/00 - Aménagements de commande ou de sécurité
An outdoor unit for a heat recovery VRF air conditioning system and a heat recovery VRF air conditioning system are provided. The outdoor unit comprises: a compressor, having an exhaust port and a gas return port; a reversing assembly, having a first valve port, a second valve port, a third valve port and a fourth valve port; an outdoor heat exchanger, having a first end connected to the first valve port, and a second end connected to the second connector; a plurality of one-way valves, wherein each one-way valve has a circulation end and a stop end, and each one-way valve is opened only in one direction from the circulation end to the stop end; a throttling element; and a gas-liquid separator.
F24F 1/06 - Climatiseurs individuels pour le conditionnement de l'air, p.ex. éléments séparés ou monoblocs ou éléments recevant l'air primaire d'une station centrale Éléments extérieurs séparés, p.ex. élément extérieur à relier à un élément intérieur séparé comprenant un compresseur et un échangeur de chaleur
F24F 3/147 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes caractérisés par le traitement de l'air autrement que par chauffage et refroidissement par déshumidification avec transfert à la fois de chaleur et d'humidité entre l'air fourni et l'air expulsé
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
F25B 29/00 - Systèmes de chauffage et de refroidissement combinés, p.ex. fonctionnant alternativement ou simultanément
A six-way directional valve (100) is provided, including: a valve body (1), defining a valve cavity (4) therein, and provided with a first connecting pipe to a sixth connecting pipe (11-16); a valve spool (2), movably disposed in the valve cavity (4), two valve chambers (3) being defined between two moving ends of the valve spool (2) and an inner circumferential wall of the valve cavity (4), so that the valve spool (2) being allowed to be driven to move by a pressure difference between the two valve chambers (3), a first chamber (21) and a second chamber (22) being defined between the valve spool (2) and a same side wall of the valve cavity (4), a third chamber (23) being defined between the valve spool (2) and the inner circumferential wall of the valve cavity (4); and a pilot valve assembly (5).
F16K 11/07 - Soupapes ou clapets à voies multiples, p.ex. clapets mélangeurs; Raccords de tuyauteries comportant de tels clapets ou soupapes; Aménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
F16K 31/122 - Moyens de fonctionnement; Dispositifs de retour à la position de repos actionnés par un fluide le fluide agissant sur un piston
F16K 31/124 - Moyens de fonctionnement; Dispositifs de retour à la position de repos actionnés par un fluide le fluide agissant sur un piston servo-commandé
In an air conditioning system of the present disclosure, the controlling module determines state of the indoor unit. If the indoor unit is under off state, the controlling module determines whether an indoor temperature is smaller than a preset temperature. If yes, the controlling module controls the indoor unit to heat according to a first heating temperature. If the indoor unit is under heating state, the controlling module sets a second heating temperature of the indoor unit to the first heating temperature, and controls the indoor unit to heat according to the first heating temperature. The first heating temperature is smaller than the second heating temperature. If the indoor unit is under cooling state, the controlling module sets a first cooling temperature to a second cooling temperature which is greater than the first cooling temperature, and controls the indoor unit to cool according to the second cooling temperature.
F24F 3/00 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaire; Appareillage spécialement conçu pour de tels systèmes
F24F 11/08 - pour la commande du traitement primaire de l'air
F24F 11/00 - Aménagements de commande ou de sécurité
79.
Communication converting apparatus and method for pulse meter, and communication system for air conditioner
A communication converting apparatus for a pulse meter is provided, comprising: a pulse collection unit, configured to collect a pulse signal generated from the pulse meter; a storage unit, configured to store a reading of the pulse meter; a micro control unit, configured to control the pulse collection unit to collect the pulse signal, to read the reading stored in the storage unit, and to obtain an updated reading of the pulse meter according to the pulse signal and the reading stored in the storage unit; and a RS485 communication unit, configured to covert the updated reading of the pulse meter into a RS485 communication signal for outputting.
The present invention provides a heat pump water heater and a control method thereof. The control method is used for controlling the heat pump water heater and includes: detecting a temperature of water in a water tank; if the water temperature is not larger than a first preset temperature value, controlling, by a controller, a heating device to heat at a first average heating power; if the water temperature is larger than the a second preset temperature value, controlling the heating device to stop heating; otherwise, if detecting that water flows into the water tank, controlling the heating device to heat at a second average heating power, and if detecting that no water flows into the water tank, controlling the heating device to heat at a third average heating power.
A method and an apparatus for adjusting an operating frequency of an inverter compressor are provided. The method includes following steps: detecting whether an inverter air conditioner is in a heating mode; obtaining a target operating current of the inverter compressor if the inverter air conditioner is in the heating mode; adjusting the operating frequency of the inverter compressor according to the target operating current; obtaining an operating parameter of the inverter compressor and obtaining a maximum operating frequency of the inverter compressor according to the operating parameter; obtaining a current correction according to the maximum operating frequency and correcting the target operating current according to the current correction to update the target operating current.
A method for controlling an air conditioning system, an outdoor apparatus of an air conditioning system and an air conditioning system are provided. The method includes: obtaining a working mode of the air conditioning system and starting a variable-frequency compressor in an outdoor apparatus of the air conditioning system according to the working mode; obtaining a target refrigerant saturation temperature; performing a variable-frequency control on the variable-frequency compressor according to the target refrigerant saturation temperature; during the variable-frequency control, obtaining a working time of the variable-frequency compressor and a stop-start number of time of the variable-frequency compressor in a first predetermined period; and adjusting the target refrigerant saturation temperature according to the working time of the variable-frequency compressor and the stop-start number of time of the variable-frequency compressor in the first predetermined time.
A water tank may include an inner tank and a condenser. The condenser may have a liquid inlet tube, a liquid outlet tube, first and second condensing tubes wound around respectively an outer wall of an upper and lower part of the inner tank, first ends of the first and second condensing tubes being in fluid communication with the second end of the liquid inlet tube, and a third condensing tube wound around an outer wall of a bottom part of the inner tank beneath the lower part. A first end of the third condensing tube may be in fluid communication with second ends of the first and second condensing tubes respectively. A second end of the third condensing tube may be in fluid communication with a first end of the liquid outlet tube. A heat pump water heater comprising the water tank may be further provided.
A heat exchanger and a gas-fired furnace including the same are provided. The heat exchanger includes at least two heat exchange shell enclosures; and at least three rows of heat exchange tubes arranged along a furnace air flow path. Each of the heat exchange tubes defines a leaving-tube-end and an entering-tube-end, two adjacent rows are spaced from each other, the at least three rows of heat exchange tubes are connected in a leaving-tube-end to entering-tube-end fashion sequentially via the at least two heat exchange shell enclosures to define a substantially serpentine flue gas passage.
F28D 1/04 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires
F24H 3/08 - Appareils de chauffage d'air à circulation forcée l'air étant maintenu séparé de l'agent chauffant, p.ex. par circulation forcée de l'air sur des radiateurs par tubes
F28F 13/08 - Dispositions pour modifier le transfert de chaleur, p.ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique en faisant varier la section transversale des canaux d'écoulement
F28D 7/08 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations ayant une autre courbure, p.ex. en serpentins ou en zigzag
F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement
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