The present application discloses a humidification and purification apparatus, which includes: a machine body provided with an air inlet and an air outlet; a purification and humidification module disposed in the machine body and close to the air inlet; and a blower disposed in the machine body and close to the air outlet. The purification and humidification module includes: a humidification module including a wet pad water tank, a wet pad and an elevation mechanism. The elevation mechanism is connected to the wet pad and is configured to drive the wet pad to move, and the humidification module can be switched between a humidifying state and a non-humidifying state. In the humidifying state, part of the wet pad is immersed into the water in the wet pad water tank, and in the non-humidifying state, the wet pad is lifted above the water level of the wet pad water tank.
F24F 6/04 - Air-humidification by evaporation of water in the air using stationary unheated wet elements
F24F 8/108 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
A rotation driving mechanism of an air supply apparatus, an air supply apparatus, and a household appliance. The rotation driving mechanism of the air supply apparatus comprises: a fixed bracket; a rotary bracket, and the rotary bracket is sleeved on the fixed bracket and may rotate with respect to the fixed bracket; and a driving member, and the driving member is provided on the fixed bracket and used for driving the rotary bracket to rotate. Therefore, compared with the prior art, by means of the coordination of the fixed bracket, the rotary bracket, and the driving member, the size of the rotation driving mechanism can be reduced; after the rotation driving mechanism is mounted on the air supply apparatus, the air supply apparatus can have a better appearance.
F04D 25/10 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air
Disclosed are a humidifier and a household appliance. The humidifier includes a housing, a fan, a water absorption net assembly and a time record assembly. The housing is provided with an air inlet and an air outlet, an air duct communicating with the air inlet and the air outlet, and a water storage tank communicating with the air duct are formed inside the housing. The fan is provided in the air duct. The water absorption net assembly is at least partially extending into the water storage tank and at least partially extending into the air duct. The time record assembly is installed in the housing and configured to record a use time of the water absorption net assembly.
F24F 11/89 - Arrangement or mounting of control or safety devices
F24F 8/50 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
A rotation driving mechanism of an air supply apparatus, an air supply apparatus, and a household appliance. The rotation driving mechanism of the air supply apparatus comprises: a fixed bracket; a rotary bracket, and the rotary bracket is sleeved on the fixed bracket and may rotate with respect to the fixed bracket; and a driving member, and the driving member is provided on the fixed bracket and used for driving the rotary bracket to rotate. Therefore, compared with the prior art, by means of the coordination of the fixed bracket, the rotary bracket, and the driving member, the size of the rotation driving mechanism can be reduced; after the rotation driving mechanism is mounted on the air supply apparatus, the air supply apparatus can have a better appearance.
F04D 25/10 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air
The present application discloses an oscillation device and a fan, the oscillation device comprises a fixation seat provided with a through hole; a transmission shaft rotatably mounted in the through hole; and a motor mounted at the fixation seat, an output shaft of the motor being connected to an end of the transmission shaft, an axis of the output shaft of the motor being collinear with an axis of the transmission shaft, and the motor being configured to drive the transmission shaft to rotate.
F04D 25/10 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air
A hinge assembly includes a rotation shaft, a first connection member provided at the rotation shaft, a second connection member provided at the rotation shaft, located at one side of the first connection member along an axial direction of the rotation shaft, and configured to rotate around the rotation shaft, and an adjustment member connected to the rotation shaft and configured to press the second connection member along the axial direction of the rotation shaft.
F04D 25/10 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air
A fan includes a column assembly, a fan head, a hinge assembly, and a support structure connected to the fan head and the column assembly. The hinge assembly includes a first connection member and a second connection member which are hinge-connected to each other. The first connection member is connected to the column assembly, and the second connection member is connected to the fan head. The fan head is configured to rotate around the support structure, and an axis around which the fan head rotates relative to the support structure coincides with an axis around which the first connection member and the second connection member rotate relative to each other.
Provided are a box cover, a water box, a humidification apparatus, and an air blowing device, said box cover including a cover body and a mist outlet passageway running through the cover body, the cover body and the mist outlet passageway are integrally formed. By means of integrally forming the cover body and the mist outlet passageway, and significant reduction of the time required for assembly of a mist outlet tube, while also avoiding the occurrence of water leakage at the joint of the mist outlet tube.
The present application discloses a humidification filter screen structure and a purifier, in particular, the purifier includes an air duct and a water tank arranged outside the air duct, and the humidification filter screen structure includes a cover body and a humidification filter screen assembly; the cover body includes an upper cover and a lower cover which are detachably connected, and the upper cover and the lower cover mutually enclose an mounting space; the humidification filter screen assembly is mounted in the mounting space, and the humidification filter screen assembly includes a water absorbing part and a humidification part which are connected with each other, the water absorbing part extends into the water tank, and the humidification part is communicated with the air duct.
F24F 3/14 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification
F24F 3/16 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by ozonisation
F24F 6/04 - Air-humidification by evaporation of water in the air using stationary unheated wet elements
An air duct assembly for an axial flow fan including an air inlet shroud and an air outlet shroud. The air inlet shroud includes a plurality of mutually angled air inlet surfaces, and a ratio of an area of the air inlet surfaces of the air inlet shroud to that of air outlet surfaces of the air outlet shroud is 1.1 to 1.35. The air inlet shroud is provided to have mutually angled air inlet surfaces to increase the ratio of the area of the air inlet surfaces of the air inlet shroud to that of the air outlet surfaces of the air outlet shroud, obtaining a higher wind speed with fairly little noise.
A purifier includes a housing, including an air outlet and an air duct communicating with the air outlet; a fan installed in the air duct; and a humidification device installed in the housing and located outside the air duct. The humidification device includes an ultrasonic atomization assembly and an exhaust pipe, one end of the exhaust pipe is connected to the ultrasonic atomization assembly, and another end of the exhaust pipe is extended into the air duct.
F24F 8/108 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
F24F 3/16 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by ozonisation
Disclosed is a fan. The fan includes a support; a first motor installed on the support, the first motor having a first rotation shaft; a first blade installed on the first rotation shaft; a second motor installed on the support, the second motor having a second rotation shaft and being coaxial with the first motor; a second blade installed on the second rotation shaft, a tilt direction of the second blade being opposite to a tilt direction of the first blade; and an electric control board electrically connected to the first motor and the second motor and configured to control a relative rotation of the first motor and the second motor.
Disclosed is a fan. The fan includes a support, a first motor, a first blade, a second motor, a second blade and an electronic control board. The first motor and the second motor are both installed on the support. The first motor is coaxial with the second motor. The first motor has a first rotation shaft and the second motor has a second rotation shaft. The first blade is installed on the first rotation shaft. The second blade is installed on the second rotation shaft. A torsion direction of the first blade is opposite to a torsion direction of the second blade. The electric control board is electrically connected to the first motor and the second motor, and includes a speed ratio adjustment device. The fan can provide a variety of air outlet modes and can quickly adjust between different air outlet modes.
Disclosed are an air duct assembly and a fan heater applying in the air duct assembly, which includes a volute tongue positioned in the volute forms an air duct with the volute. The air duct is configured with an air inlet and an air outlet. A cross-flow wind turbine positioned in the air duct introduce the airflow into the air duct from the air inlet, and blow out the airflow in the air duct through the air outlet. The volute includes a first volute tongue member, the size of the angle between the line connecting the root portion M of the first volute tongue member to the axis O of the cross-flow wind turbine and the line connecting the root portion N of the second volute tongue member to the axis O of the cross-flow wind turbine on the same cross-section is from 110° to 170°.
F04D 29/42 - Casings; Connections for working fluid for radial or helico-centrifugal pumps
F24H 3/04 - Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
F24H 9/00 - FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL - Details
F24D 19/00 - DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR - Details
Disclosed is a blade adjustment mechanism and an air circulator. The air circulator includes a housing defining an air outlet. The blade adjustment mechanism includes: a fixing bracket fixedly connected with the housing and defining a sliding space; at least two adjustment members, a part of each of the at least two adjustment members is accommodated in the sliding space and slidably connected with the fixing bracket, each of the at least two adjustment members defining a first adjustment slot at an end adjacent to the air outlet; at least two first wind deflectors, a part of one of the at least two first wind deflectors being configured to extend into the air outlet and being rotationally connected with the fixing bracket, a part of one of the at least two first wind deflectors facing away from the air outlet being movably accommodated in the first adjustment slot.
A blade adjustment mechanism and an air circulator. The air circulator includes a housing defining an air outlet, and the air outlet includes an air inlet side and an air outlet side. The blade adjustment mechanism includes: a fixing bracket, fixedly connected with the housing; at least two wind guide assemblies, spaced apart from each other and partially extending into the air outlet, rotationally connected with the fixing bracket; at least two first connecting rods, rotationally connected with the at least two wind guide assemblies located, extension lines of the at least two first connecting rods along length directions of the at least two first connecting rods being configured to intersect; and a second connecting rod, fixedly connected with an end of each of the at least two first connecting rod.
A diffuser includes a lower element and an upper element. The upper element is fixed on the lower element, and the upper element and the lower element are formed separately. The lower element includes a lower inner wall and a lower outer wall, and the upper element includes an upper inner wall and an upper outer wall. The upper inner wall is connected to the lower inner wall to form an internal air-guiding surface, the upper outer wall is connected to the lower outer wall to form an external air-guiding surface, and the internal air-guiding surface is disposed opposite to the external air-guiding surface to define an air-guiding channel for air flow diffusion. The upper element further includes an upper air-guiding wing for connecting the upper inner wall and the upper outer wall, and the lower element further includes a lower air-guiding wing for connecting the lower inner wall and the lower outer wall.
A driving assembly includes a motor bracket, a first driving motor arranged on the motor bracket, a spherical crank, and a second driving motor arranged on the motor bracket and spaced apart from the first driving motor. The spherical crank includes a connecting pillar and a ball head. One end of the connecting pillar is connected with an output shaft of the first driving motor. The ball head is arranged at another end of the connecting pillar. A sphere center of the ball head is not on a rotation axis of the connecting pillar. The second driving motor includes an output shaft arranged at a first end of the second driving motor and configured to be connected with a fan blade. A second end of the second driving motor is rotatably connected with the ball head.
F04D 25/10 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
Disclosed is a rear grill assembly for a box fan including a rear grill, an electric motor support positioned on the rear grill by a positioning structure, and a frame arranged on the periphery of the rear grill by a snap structure. The frame includes a bottom cover, a top cover, and two side boards connected between the bottom cover and the top cover. The electric motor support is positioned on the rear grill by the positioning structure so that the electric motor support can be mounted easily and firmly. Thus, shortening the time for mounting the motor support, and improving the efficiency for mounting the rear grill assembly. Moreover, since the bottom cover, the top cover and the two side boards are assembled to form a frame, each part can be produced separately, whereby the difficulty in producing the frame is decreased to a certain extent.
F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
H02K 5/136 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
A fan control method is described. The method includes obtaining, after controlling a fan to enter a scene wind running mode, the sleep time of a particular user corresponding to the scene wind running mode, obtaining a gear control time sequence of the fan according to the sleep time of the particular user, and controlling the fan according to the gear control time sequence of the fan to adjust the wind speed of the fan. The method can provide gentler wind during sleep of particular users such as babies and pregnant women to prevent the users from catching a cold, and also can provide a quitter sleep environment for babies and pregnant women to improve their sleep quality.
A fan, and a control system and method therefor, wherein the system comprises a wearable device (100) and a fan (200). The fan (200) communicates with the wearable device (100). The wearable device (100) is used for detecting body parameters of a user to determine whether the user falls asleep, generating a sleep wind mode instruction to the fan (200). The fan (200) enters a sleep wind mode after receiving the sleep wind mode instruction, obtains a sleep wind control curve, and adjusts operating parameters according to the sleep wind control curve. The fan control system can adjust the running gear of the fan according to the sleep wind control curve after the user falls asleep, and avoids interference factors, thereby improving the control precision of the fan and improving user experience.
a) penetrating the receiver (40) in an up-and-down direction, the receiver (40) being located at the periphery of a central axis of the downrod (10) and detachably connected to the connector base (30).
A rear guard of a box fan comprises: a body arranged vertically and a waterproof part arranged on the body. The waterproof part is arranged in a position corresponding to a motor in the box fan and the waterproof part comprises a plurality of recessed structures arranged on the body. a plurality of vent holes are arranged on the body for communicating an inner side of the body with an outer side of the body are arranged in the recessed structures. By arranging the vent holes in the recessed structures, the waterproof effect is realized on the premise of ensuring ventilation, the electric leakage and ignition of the motor can be effectively prevented, and the lifetime of the motor of the box fan is extended.
A housing (100) for a box fan (1), the box fan (1) and an assembly method therefor are provided. The box fan (1) includes a housing (100) and a fan blade. The housing (100) includes two shields (111, 112) and a frame. The two shields (111, 112) are arranged opposite to and spaced apart from each other. The frame is arranged between the two shields (111, 112). The frame and the two shields (111, 112) are joined and mounted through their own structures respectively, and at least one of the shields can be attached to or detached from the frame by pushing or pulling. The fan blade is rotatably installed in the housing (100). The box fan is easy to assemble and low in cost.
H02K 5/136 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
39.
Fan head part, vertical type and wall-mounted type fans, household appliance and air blowing method
Disclosed are a fan head part, a stand fan and a wall-mounted fan, a household appliance and an air blowing method. The fan head part comprises a base and a fan head, wherein the fan head comprises a blade and a grill, the blade being able to rotate with a first axis, the fan head being able to integrally rotate about a second axis and along a circumferential direction relative to the base, and the second axis extends through the grill in the front-rear direction and being obliquely arranged relative to the first axis. Since the second axis is obliquely arranged relative to the first axis, only one driving structure is required to simultaneously drive the fan head to rotate within a space defined in the horizontal and vertical directions, so that the structure is simple, and the costs are relatively low.
F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
F04D 25/10 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing the direction of output air
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
A downrod assembly includes: an electric motor, an adapter subassembly and a downrod. The adapter subassembly is connected to an electric motor shaft of the electric motor; and the downrod is connected to the adapter subassembly and is capable of rotating with respect to the electric motor by means of the adapter subassembly. The downrod is able to be folded by rotating with respect to the electric motor during transportation, thereby reducing the overall packaging volume of a ceiling fan.
A diffuser includes a lower element and an upper element. The upper element is fixed on the lower element, and the upper element and the lower element are formed separately. The lower element includes a lower inner wall and a lower outer wall, and the upper element includes an upper inner wall and an upper outer wall. The upper inner wall is connected to the lower inner wall to form an internal air-guiding surface, the upper outer wall is connected to the lower outer wall to form an external air-guiding surface, and the internal air-guiding surface and the external air-guiding surface define an air-guiding channel for air flow diffusion. The upper element includes an upper air-guiding wing for connecting the upper inner wall and the upper outer wall, and the lower element includes a lower air-guiding wing for connecting the lower inner wall and the lower outer wall.
An electric radiator is provided. The electric radiator includes: a housing provided with an air channel cover therein; a heating assembly disposed in the housing and defining a natural convection air channel with the air channel cover, an air supply inlet being formed at a first end of the natural convection air channel and an air supply outlet being formed at a second end of the natural convection air channel above the air supply inlet, air in the natural convection air channel being heated by the heating assembly to form a natural convection in the natural convection air channel; a mesh hood mounted onto a front surface of the housing and covering the heating assembly and the air supply outlet; a first temperature limiter mounted onto the heating assembly and adjacent to the air supply outlet in an up-down direction.
patents
