CN106123272A - Air outlet structure, air conditioner and control method of air conditioner - Google Patents

Air outlet structure, air conditioner and control method of air conditioner Download PDF

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Publication number
CN106123272A
CN106123272A CN201610830255.XA CN201610830255A CN106123272A CN 106123272 A CN106123272 A CN 106123272A CN 201610830255 A CN201610830255 A CN 201610830255A CN 106123272 A CN106123272 A CN 106123272A
Authority
CN
China
Prior art keywords
air
door
exhausting structure
outlet
conditioner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610830255.XA
Other languages
Chinese (zh)
Other versions
CN106123272B (en
Inventor
文巧胜
莫剑锋
刘萍
江涛
范启敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201610830255.XA priority Critical patent/CN106123272B/en
Publication of CN106123272A publication Critical patent/CN106123272A/en
Application granted granted Critical
Publication of CN106123272B publication Critical patent/CN106123272B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/12Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The application relates to an air outlet structure, an air conditioner and a control method thereof, wherein the air outlet structure comprises an open first end and a closed second end, and an air outlet is arranged between the first end and the second end, so that a channel for air circulation is formed inside the air outlet structure and at the air outlet; the air outlet is arranged in the whole circumferential direction. The air outlet structure in this application, because the air outlet sets up in whole circumference, need not to rotate the air outlet, can realize 360 degrees no dead angles, do not have and be interrupted the air supply.

Description

Air exhausting structure, air-conditioner and control method thereof
Technical field
The present invention relates to air-conditioning technique field, particularly relate to the air exhausting structure of air-conditioner, air-conditioner and controlling party thereof Method.
Background technology
What existing air conditioner wind outlet air supply mode had blows by one or more fixing air outlets, and wind direction is deposited At dead angle;Having plenty of and rotate the mode in air port and blow, there is discontinuity air-supply in this air supply mode, human body comfort is not High.
Summary of the invention
In view of this, it is an object of the invention to provide and a kind of be capable of the air exhausting structure of 360 degree of air-out free of discontinuities, sky Adjust device and control method thereof.
According to the first aspect of the invention, it is provided that a kind of air exhausting structure, described air exhausting structure include the first end of opening wide and The second end closed, is provided with air outlet between described first end and the second end, thus in the inside of described air exhausting structure and Forming the passage of air circulation at air outlet, described air outlet is arranged throughout the circumferential.
Preferably, being provided with air door at described air outlet, described air door is provided with multiple, when air door is closed, multiple Air door encloses occluding surface in the circumferential.
Preferably, described occluding surface is cylinder;It is preferably the face of cylinder or multi-prismatic surface.
Preferably, each air door is provided with a door driving device, for driving the opening and closing of air door.
Preferably, being provided with outlet frame in the outside of air door, described outlet frame is frame structure.
Preferably, described outlet frame is provided with decorative pattern and/or decorative model.
Preferably, between described air door and outlet frame, it is provided with heat exchanger.
Preferably, described heat exchanger is tubular construction.
Preferably, described air door is rotary or slide damper formula.
Preferably, the air door of described slide damper formula is folding structure.
According to the second aspect of the invention, it is provided that a kind of air-conditioner, the air exhausting structure being provided with in the application.
Preferably, also including air inlet structure and axial-flow leaf, the footpath that described air inlet structure is positioned at described axial-flow leaf is outside Side.
Preferably, described air inlet structure is formed with air inlet throughout the circumferential.
Preferably, the first end of described air exhausting structure is positioned at the downside of described axial-flow leaf.
Preferably, the first end of described air exhausting structure is connected with described air inlet structure, described second end away from described enter Wind structure is arranged.
Preferably, the top at described air-conditioner is provided with heat induction device.
According to the third aspect of the invention we, it is provided that the control method of a kind of air-conditioner, when surrounding some or multiple directions Air need not regulation time, close respective direction air door.
Preferably, air-conditioner is provided with heat induction device, the corresponding wind of output control sensed according to this heat induction device The opening and closing of door.
Air exhausting structure in the application, air outlet is arranged throughout the circumferential, can realize 360 degree without dead angle, continuously forfeit Wind.In the case of being provided with air door, when air door is fully open, also can realize 360 degree without dead angle, air-supply free of discontinuities, work as surrounding When the air of some or multiple directions need not regulation, such as during the nobody of subregion, unmanned place without heating up or Person lowers the temperature, and can send instruction by remote controller or control panel to the controller of air-conditioner, control door driving device and move Make, close the air door in unmanned direction, such cold wind or hot blast and blow out from the air door that residue is opened, reach without rotating out Air port just 360 degree of any angles can orient the purpose blown.
Accompanying drawing explanation
By description to the embodiment of the present invention referring to the drawings, above-mentioned and other purpose of the present invention, feature and Advantage will be apparent from, in the accompanying drawings:
Fig. 1 is air-conditioner overall structure schematic diagram in the application;
Fig. 2 is the A-A profile in Fig. 1;
Fig. 3 is the structural representation of another structure of air door in the application;
Fig. 4 is the A-A profile (air door is in open mode, only illustrates part air door in this figure) in Fig. 3;
Fig. 5 is the A-A profile (air door is closed, and only illustrates part air door in this figure) in Fig. 3.
Detailed description of the invention
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.
As it is shown in figure 1, the air-conditioner 100 in the application includes blower fan 1, air inlet structure 2 and air exhausting structure 3.Wherein blower fan 1 It is positioned at air inlet structure 2 or air exhausting structure 3, is preferably placed in air inlet structure.Under the effect of blower fan 1, at air inlet structure 2 with go out The gas channel of air circulation is formed in wind structure 3.In order to regulate air, gas channel is additionally provided with heat exchanger 4.Preferably Ground, this heat exchanger 4 is arranged near air exhausting structure 3, is adjusted the air-flow blown out through air exhausting structure 3, such as, carry out temperature Regulation.
As it is shown in figure 1, described blower fan 1 is preferably axial flow blower, including motor 11 and axial-flow leaf 12, described axial-flow leaf 12 can rotate under the driving of motor 11, thus drive air-flow to flow in gas channel.Described air inlet structure 2 includes air intake Frame 21, air intake frame 21 is arranged on the radial outside of described axial-flow leaf 12, when described axial-flow leaf 12 rotates so that air intake frame It is internal that air outside 21 can enter air intake frame 21 through air intake frame 21, i.e. axial-flow leaf position.Preferably, enter described in Wind frame 21 is arranged in the whole circumference of axial-flow leaf 12, and air intake frame 21 can be circular in the circumferential, it is also possible to for square, Polygon or other arbitrary shapes.Air intake frame 21 setting up in whole week at axial-flow leaf 12, whole at air intake frame 21 Week is upwardly formed air inlet, so, throughout the circumferential can air intake, improve air intake efficiency, and enable to Interior Space It is so incensed that than more uniform regulation.
Described air exhausting structure 3 is arranged on the downside of described air inlet structure 2, including the first end 31 opened wide and close second End 32, wherein, described first end 31 is arranged near described air inlet structure 2, and its first end is positioned at the downside of described axial-flow leaf 12 (with orientation shown in the above-below direction in accompanying drawing 1).Preferably, described first end 31 is connected with described air inlet structure 2, and described Two ends 32 are arranged away from described air inlet structure 2.Air outlet 30 it is provided with between described first end 31 and the second end 32, thus The passage 36 of air circulation is formed at the inside of air exhausting structure 3 and air outlet 30.Preferably, arrange inside described air exhausting structure Passage component 361, the inner chamber of described passage component 361 is had to form a part for described passage 36.Described passage component 361 is upper The tubular of under shed, its upper end is positioned at the downside of described axial-flow leaf 12, and arranges near described axial-flow leaf 12, its lower end away from With a certain distance from described second end 32, thus it is formed with gap between the lower end of passage component 361 and the second end 32, this gap For air-flow from the internal circulation of passage component 361 to air outlet 30.So, under the effect of axial flow blower, air is from air intake Frame 21 enters inside air exhausting structure, then through the gas channel within passage component 361 through the first end 31 of described air exhausting structure 3 Blown out from air outlet 30 by the gap between passage component 361 and the second end 32, thus indoor air is adjusted.
In a preferred embodiment, described air outlet 30 is arranged, so throughout the circumferential, it is not necessary to just rotate air outlet 360 degree of comprehensive air-supplies can be realized.Described air exhausting structure 3 is provided with air door 33 and door driving device 34 at air outlet 30, Described door driving device 34 is for driving the opening and closing of described air door 33, in order to open or to close air door 33 place The air outlet of position.Preferably, described air door 33 is provided with multiple, and multiple air doors 33 enclose occluding surface in the circumferential, excellent Elect cylinder as, such as the face of cylinder, multi-prismatic surface etc., see accompanying drawing 1-2.In this embodiment, described air door 33 is rotation type wind Door, each air door 33 is provided with a door driving device 34, for driving the opening and closing of air door 33.Specifically, described driving fills Putting 34 lower ends being arranged on air door 33, the drive shaft of driving means 34 is connected with the rotating shaft of described air door 33 and (does not shows in figure Go out), driven the rotation of air door 33 by this drive shaft, so that air door 33 can be changed between opening and closing.In Fig. 2 Being illustrated that air door 33 is in the state opened, when air door 33 is closed, described air door 33 is in driving means 34 It is rotated by fitting so with the medial surface of described heat exchanger 4, when all air doors 33 are fully open, can realize Blow without dead angle for 360 degree, when the air of surrounding some or multiple directions need not regulation, such as subregion nobody Time, unmanned place, without heating up or cooling, can be sent to the controller of air-conditioner by remote controller or control panel Instruction, controls door driving device 34 action, closes the air door 33 in unmanned direction, such cold wind or hot blast and opens from residue Air door 33 in blow out, reach without rotate air outlet just can the purpose blown of 360 degree any angles orientations.
Described door driving device is preferably motor, and whole air conditioner structure so can be made simple, easy to control, clever Live.
Preferably, being provided with outlet frame 35 in the outside of air door 33, described outlet frame 35 is frame structure, is used for supporting wind Door 33 and door driving device 34.Described outlet frame 35 as being positioned at outermost parts, it can be arranged decorative pattern or Person's decorative model so that whole air-conditioner looks more attractive in appearance.
Preferably, being provided with heat exchanger 4 between air door 33 and outlet frame 35, described heat exchanger 4 is for flowing through it Air carries out temperature regulation, such as, freeze or heat.Preferably, described heat exchanger 4 is tubular construction.Outlet frame 35, heat exchange Device 4 and air door 33 are disposed adjacent the most successively, the envelope that outlet frame 35, the shape of heat exchanger 4 and multiple air door 33 enclose Closed surface shape is corresponding, such as, be cylindrical shape, multiaspect tubular etc..So, the air-flow of 360 degree of blowouts can be carried out by heat exchanger Regulation, improves heat exchange efficiency.
In a preferred embodiment, on air-conditioner, heat induction device (figure is preferably installed around the top of air-conditioner Not shown in), sense ambient heat, and optionally close according to amount of heat by controller and open all directions Air door 33, blows in an optimal manner, can realize energy-conservation, high efficient heat exchanging.
Preferably, the lower end of described air exhausting structure 3 being provided with base 5, this base 5 can be used to place air door and drives dress Put 34, it is also possible to be used for the second end 32 of air exhausting structure 3 is closed.So, in the situation making air-conditioner complete appearance Under, it is not necessary to the second end 32 of air exhausting structure 3 is arranged single enclosure portion.
After air-conditioner start in the application runs, the motor 11 of indoor apparatus of air conditioner drives axial-flow leaf 12 high-speed cruising, Room air is blown in passage 36 at a high speed after air intake frame 21 sucks, because passage 36 one end is closed state, after air enters Being internally formed pressure, pressure makes air multiple tracks air door 33 again from passage 36 ring wall blow out, and flows fast through peripheral tubular and changes Hot device 4, finally blows to indoor by the air after heat exchange from outlet frame 35, without realizing 360 degree in the case of rotating air port Blow without dead angle, reach the purpose of 360 degree quick heat exchange peripheral to air-conditioning.
As in Figure 3-5, in another preferred embodiment, can also be used with slide damper formula air door 33 and replace rotation type wind Door 33.In this embodiment, position corresponding with air door 33 on base 5 is provided with slide rail 37, for slide damper formula air door 33 Slide.Described air door 33 is folding structure, (sees accompanying drawing 5 when air door 33 is in open mode, illustrate only portion in Fig. 5 Dividing air door, the air door of the latter half is shown without), air door 33 folds so that air door 33 is opened, and supply stream passes through;When (see Fig. 4, Fig. 4 illustrate only part air door, the air door of the latter half is shown without) when air door 33 is closed, wind Door launches, and shelters from air outlet so that the air-flow of appropriate section can not pass through.Realize without rotating air outlet just energy 360 degree The purpose of what angle orientation air-supply.Preferably, the opening and closing of described air door 33 manually control, it would however also be possible to employ other Type of drive be driven, such as by motor-driven gear, rack gear etc..
Air-conditioner in the application, is blown into air at a high speed in air channel, lower section by the rotation of axial-flow leaf 12, then from wind Multiple tracks air door blowout on road ring wall, and flow fast through peripheral vaporizer 4, reach the purpose of 360 degree quick heat exchange peripheral to air-conditioning. Air exhausting structure in the application, when all air doors are fully open, can realize 360 degree without dead angle, air-supply free of discontinuities, when surrounding When the air in one or more directions need not regulation, such as during the nobody of subregion, unmanned place without heating up or Cooling, can send instruction by remote controller or control panel to the controller of air-conditioner, control door driving device action, Close the air door in unmanned direction, such cold wind or hot blast to blow out from the air door that residue is opened, reach without rotating air-out Mouth just 360 degree of any angles can orient the purpose blown.
It should be noted that, in present specification, term " includes ", " comprising " or its other variant any are intended to contain Comprising of lid nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted Element, but also include other key element being not expressly set out, or also include for this process, method, article or equipment Intrinsic key element.
Last it is noted that obvious, above-mentioned embodiment/example is only by clearly demonstrating the act that the present invention is made Example, and not restriction to embodiment/example.To those skilled in the art, the most also may be used To make other changes in different forms.Here without also cannot all of embodiment/example be given exhaustive.And That is thus amplified out obviously changes or changes among still in protection scope of the present invention.

Claims (18)

1. an air exhausting structure, it is characterised in that described air exhausting structure includes the second end of the first end and the closing opened wide, in institute State and between the first end and the second end, be provided with air outlet, thus at the inside and air outlet of described air exhausting structure, form air stream Logical passage, described air outlet is arranged throughout the circumferential.
Air exhausting structure the most according to claim 1, it is characterised in that be provided with air door, described wind at described air outlet Door is provided with multiple, and when air door is closed, multiple air doors enclose occluding surface in the circumferential.
Air exhausting structure the most according to claim 2, it is characterised in that described occluding surface is cylinder;It is preferably the face of cylinder Or multi-prismatic surface.
Air exhausting structure the most according to claim 2, it is characterised in that each air door is provided with a door driving device, For driving the opening and closing of air door.
5. according to the air exhausting structure described in any one of claim 2-4, it is characterised in that the outside of air door is provided with air-out Frame, described outlet frame is frame structure.
Air exhausting structure the most according to claim 5, it is characterised in that be provided with on described outlet frame decorative pattern and/ Or decorative model.
Air exhausting structure the most according to claim 5, it is characterised in that be provided with heat exchange between described air door and outlet frame Device.
Air exhausting structure the most according to claim 7, it is characterised in that described heat exchanger is tubular construction.
9. according to the air exhausting structure described in any one of claim 1-3, it is characterised in that described air door is rotary or slides Baffle-type.
Air exhausting structure the most according to claim 9, it is characterised in that the air door of described slide damper formula is collapsible knot Structure.
11. 1 kinds of air-conditioners, it is characterised in that be provided with the air exhausting structure described in any one of claim 1-10.
12. air-conditioners according to claim 11, it is characterised in that also include air inlet structure and axial-flow leaf, described in enter Wind structure is positioned at the radial outside of described axial-flow leaf.
13. air-conditioners according to claim 12, it is characterised in that described air inlet structure be formed throughout the circumferential into Air port.
14. air-conditioners according to claim 12, it is characterised in that the first end of described air exhausting structure is positioned at described axial flow The downside of fan blade.
15. air-conditioners according to claim 14, it is characterised in that the first end of described air exhausting structure is tied with described air intake Structure is connected, and described second end is arranged away from described air inlet structure.
16. according to the air-conditioner described in any one of claim 9-13, it is characterised in that be provided with at the top of described air-conditioner Heat induction device.
17. 1 kinds of control methods according to the air-conditioner described in any one of claim 11-16, it is characterised in that when surrounding When the air in one or more directions need not regulation, close the air door of respective direction.
The control method of 18. air-conditioners according to claim 17, it is characterised in that be provided with thermoinduction dress on air-conditioner Put, according to the opening and closing of the corresponding air door of output control that this heat induction device senses.
CN201610830255.XA 2016-09-18 2016-09-18 Air outlet structure, air conditioner and control method of air conditioner Active CN106123272B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109737510A (en) * 2017-10-30 2019-05-10 浙江三花智能控制股份有限公司 The heat-exchanging component and air conditioner of air conditioner
CN110762626A (en) * 2019-11-26 2020-02-07 广东美的制冷设备有限公司 Air conditioner
CN111963473A (en) * 2020-08-27 2020-11-20 珠海格力电器股份有限公司 Fan control method and device and fan
CN112178747A (en) * 2020-09-30 2021-01-05 黄兴强 Heating installation based on electromagnetic effect
US11454247B2 (en) 2018-06-27 2022-09-27 Dyson Technology Limited Nozzle for a fan assembly
US11486413B2 (en) 2018-06-27 2022-11-01 Dyson Technology Limited Nozzle for a fan assembly
US11767853B2 (en) 2018-11-01 2023-09-26 Dyson Technology Limited Nozzle for a fan assembly

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JP2002277038A (en) * 2001-03-19 2002-09-25 Yoshihiro Kobayashi Instrument for controlling wind direction and air volume
CN202328687U (en) * 2011-12-12 2012-07-11 珠海格力电器股份有限公司 Air conditioner
CN203478446U (en) * 2013-09-10 2014-03-12 珠海格力电器股份有限公司 Air conditioner
CN103791556A (en) * 2012-11-01 2014-05-14 珠海格力电器股份有限公司 Air conditioner
CN204421205U (en) * 2014-12-24 2015-06-24 广东志高空调有限公司 A kind of cylinder air-conditioning

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002277038A (en) * 2001-03-19 2002-09-25 Yoshihiro Kobayashi Instrument for controlling wind direction and air volume
CN202328687U (en) * 2011-12-12 2012-07-11 珠海格力电器股份有限公司 Air conditioner
CN103791556A (en) * 2012-11-01 2014-05-14 珠海格力电器股份有限公司 Air conditioner
CN203478446U (en) * 2013-09-10 2014-03-12 珠海格力电器股份有限公司 Air conditioner
CN204421205U (en) * 2014-12-24 2015-06-24 广东志高空调有限公司 A kind of cylinder air-conditioning

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109737510A (en) * 2017-10-30 2019-05-10 浙江三花智能控制股份有限公司 The heat-exchanging component and air conditioner of air conditioner
CN109737510B (en) * 2017-10-30 2021-11-09 浙江三花智能控制股份有限公司 Heat exchange assembly of air conditioner and air conditioner
US11454247B2 (en) 2018-06-27 2022-09-27 Dyson Technology Limited Nozzle for a fan assembly
US11486413B2 (en) 2018-06-27 2022-11-01 Dyson Technology Limited Nozzle for a fan assembly
US11680581B2 (en) 2018-06-27 2023-06-20 Dyson Technology Limited Nozzle for a fan assembly
US11767853B2 (en) 2018-11-01 2023-09-26 Dyson Technology Limited Nozzle for a fan assembly
US12049902B2 (en) 2018-11-01 2024-07-30 Dyson Technology Limited Nozzle for a fan assembly
CN110762626A (en) * 2019-11-26 2020-02-07 广东美的制冷设备有限公司 Air conditioner
CN111963473A (en) * 2020-08-27 2020-11-20 珠海格力电器股份有限公司 Fan control method and device and fan
CN111963473B (en) * 2020-08-27 2021-05-25 珠海格力电器股份有限公司 Fan control method and device and fan
CN112178747A (en) * 2020-09-30 2021-01-05 黄兴强 Heating installation based on electromagnetic effect

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