CN107975887A - A kind of device and air-conditioning for slowing down air-conditioner outdoor unit frosting - Google Patents
A kind of device and air-conditioning for slowing down air-conditioner outdoor unit frosting Download PDFInfo
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- CN107975887A CN107975887A CN201711046369.6A CN201711046369A CN107975887A CN 107975887 A CN107975887 A CN 107975887A CN 201711046369 A CN201711046369 A CN 201711046369A CN 107975887 A CN107975887 A CN 107975887A
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- Prior art keywords
- air
- heat exchanger
- regenerative apparatus
- radiating piece
- heat
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 28
- 230000001172 regenerating effect Effects 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000010257 thawing Methods 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 239000002918 waste heat Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a kind of device for slowing down air-conditioner outdoor unit frosting, belong to air-conditioning technical field.Device includes：Regenerative apparatus, regenerative apparatus wrap up in the outside of at least part body arranged on compressor；Radiating piece, radiating piece are arranged at outdoor heat exchanger, and have multiple heat emission holes；Ajutage, ajutage connection regenerative apparatus and radiating piece；Driving device, for certain driving air-flow from regenerative apparatus via ajutage to radiating piece.The air of the heated higher temperature in compressor periphery can be delivered at outdoor heat exchanger by the device that the present invention slows down air-conditioner outdoor unit frosting, so as to carry out defrost ice-melt to outdoor heat exchanger using waste heat caused by compressor operating, the micro- frost condensed on outdoor heat exchanger can effectively be eliminated, ensure the heat exchange efficiency of outdoor heat exchanger, improve the heating performance of air-conditioning entirety.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of device and air-conditioning for slowing down air-conditioner outdoor unit frosting.
Background technology
As the improvement of people's living standards, air-conditioning equipment has also come into huge numbers of families, domestic air conditioning, central air-conditioning
Use it is more and more common, requirement of the user for comfort of air conditioner is also higher and higher, existing during air-conditioning use to ask
Topic is also gradually spilt cruelly, one of them is exactly the problem of outdoor unit frosting when air-conditioning is run under harsh climate is freezed.
When air-conditioning is in the larger area operation in low temp area or wind and snow, the condenser outer surface institute condensation water of outdoor unit
Stream can be dropped onto on chassis, and in the case of air conditioner long-play, the condenser and chassis that can cause air conditioner freeze
Problem, the ice sheet condensed on outdoor unit can hinder the refrigerant of inside and the heat exchange of outdoor environment so that the refrigeration effect of air-conditioning
Rate declines, and in order to ensure the heating effect of air-conditioning, air-conditioning has to improve Power operation, this also results in the extra consumption of electric energy
With the raising of customer using cost.
The content of the invention
The present invention provides a kind of device and air-conditioning for slowing down air-conditioner outdoor unit frosting, it is intended to solves air-conditioner outdoor unit in the winter
Frosting ice formation issues when being run under season or harsh climate.In order to some aspects of the embodiment to disclosure have one it is basic
Understand, shown below is simple summary.The summarized section is not extensive overview, nor to determine key/critical composition member
Element or the protection domain for describing these embodiments.Its sole purpose is that some concepts are presented with simple form, in this, as rear
The preamble of the detailed description in face.
According to the first aspect of the invention, there is provided a kind of device for slowing down air-conditioner outdoor unit frosting, outdoor unit include
Compressor and outdoor heat exchanger, device include：Regenerative apparatus, regenerative apparatus wrap up in the outer of at least part body arranged on compressor
Side；Radiating piece, radiating piece are arranged at outdoor heat exchanger, and have multiple heat emission holes；Ajutage, ajutage connection regenerative apparatus
And radiating piece；Driving device, for certain driving air-flow from regenerative apparatus via ajutage to radiating piece.
In a kind of optional technical solution, radiating piece is tabular or tubular structure, and radiating piece is set up in outdoor heat exchanger
At least side.
In a kind of optional technical solution, outdoor heat exchanger has U-shaped heat exchange pipeline section, and radiating piece has to exchange heat with U-shaped
The heat radiating flat tube of pipeline section position correspondence, one or more heat radiating flat tubes are intercalated on tabular or tubular structure.
In a kind of optional technical solution, heat emission hole includes the uniformly distributed heat dissipation micropore in each heat radiating flat tube.
In a kind of optional technical solution, regenerative apparatus has the case made of heat-storing material, and case is wrapped up in arranged on pressure
The outside of at least part body of contracting machine.
In a kind of optional technical solution, case is equipped with air inlet and air outlet, and air outlet is connected with ajutage.
In a kind of optional technical solution, air outlet positioned at the position vertically above of air inlet.
In a kind of optional technical solution, driving device includes air blower, and the defeated air port of air blower is connected with air inlet
It is logical.
In a kind of optional technical solution, device further includes：Sensor, for detecting outdoor environment temperature；Controller,
It is electrically connected with sensor and driving device, when the outdoor environment temperature for being detected in sensor meets defrosting temperature conditionss,
Driving device operation is opened in control.
According to the second aspect of the invention, a kind of air-conditioning is additionally provided, the outdoor unit of air-conditioning is equipped with foregoing any one
Slow down the device of air-conditioner outdoor unit frosting.
The device that the present invention slows down air-conditioner outdoor unit frosting can be by the air of the heated higher temperature in compressor periphery
It is delivered at outdoor heat exchanger, melts so as to carry out defrost to outdoor heat exchanger using waste heat caused by compressor operating
Ice, can effectively eliminate the micro- frost condensed on outdoor heat exchanger, ensure the heat exchange efficiency of outdoor heat exchanger, and it is overall to improve air-conditioning
Heating performance.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining the principle of the present invention together with specification.
Fig. 1 is the partial structural diagram of the air-conditioner outdoor unit of the present invention according to shown by an exemplary embodiment；
Fig. 2 is the structure diagram of the radiating piece of the present invention according to shown by an exemplary embodiment.
Wherein, 11, outdoor heat exchanger；12nd, compressor；21st, case；22nd, air inlet；23rd, air outlet；3rd, radiating piece；31、
Heat radiating flat tube；32nd, radiate micropore；4th, ajutage；5th, driving device；6th, sensor.
Embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, it is electric, process and other change.Embodiment
Only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order operated can be with
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes the gamut of claims, and claims is all obtainable equivalent
Thing.Herein, each embodiment individually or can be represented generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the scope for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relation between these entities or operation
Or order.Moreover, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that
So that process, method or equipment including a series of elements not only include those key elements, but also including being not explicitly listed
Other element, or further include as this process, method or the intrinsic key element of equipment.In the feelings not limited more
Under condition, the key element that is limited by sentence "including a ...", it is not excluded that in the process including the key element, method or equipment
In also there are other identical element.Each embodiment herein is described by the way of progressive, and each embodiment stresses
Be all difference with other embodiment, between each embodiment identical similar portion mutually referring to.For implementing
For method, product etc. disclosed in example, due to its with embodiment disclosed in method part it is corresponding, so the comparison of description is simple
Single, reference may be made to the description of the method.
Fig. 1 is the partial structural diagram of the air-conditioner outdoor unit of the present invention according to shown by an EXAMPLE Example.
As shown in Figure 1, the outdoor unit of air-conditioning of the present invention mainly includes between compressor 12, outdoor heat exchange and slows down outside air conditioning chamber
The device of machine frosting, wherein, device mainly includes the components such as regenerative apparatus, radiating piece 3, ajutage 4 and driving device 5, device
Outdoor heat exchanger 11 can will be delivered to by the hot high temperature air of the waste-heat of compressor 12, to eliminate outdoor heat exchanger in time
The zonule frosting of 11 outer surfaces, prevents frosting problem from further deteriorating, and delays frosting so as to reach, when extending heating operation
Between, lift the purpose of low-temperature heating effect.
Specifically, regenerative apparatus wraps up in the outside of at least part body arranged on compressor 12, for example, in embodiment, storing
Thermal includes the case 21 of tube structure, and the internal diameter of tube structure is greater than or equal to the outside diameter of 12 body of compressor, case 21
The outside of compressor 12 is sheathed on, and close fit is formed with the shell body of compressor 12.
Preferably, when compressor 12 is compressed work, heat caused by its compression chamber part is more, therefore, this
The case 21 of invention regenerative apparatus can be sheathed on the compression chamber part of compressor 12.It should be appreciated that accumulation of heat of the present invention
The structure type of device is not limited to tube structure, and those skilled in the art can fill accumulation of heat according to the needs of close fit
The structure put carries out adaptive improvement, so as to may be constructed the air passing space of closing between regenerative apparatus and compressor 12,
To reduce the loss for the heat that compressor 12 distributes, organic efficiency of the regenerative apparatus to 12 waste heat of compressor is improved, therefore also should
It is included within the scope of the present invention.
In an embodiment of the present invention, regenerative apparatus is made of heat-storing material, as by heat-storing material intervolve into it is foregoing
Tube structure, optionally, the adsorptive heat-storage material of heat-storing material selection loose structure are made, such as zeolite, silica gel material.
In this way, the inside of tube structure can form the porous channel for air flow made of heat-storing material, easy to not
Flowing of the synthermal air in the space in heat-storing material or between the shell body of tube structure and compressor 12.
In an embodiment of the present invention, radiating piece 3 is arranged at outdoor heat exchanger 11, and has multiple heat emission holes, heat dissipation
Part 3 has air flow passage, and air flow passage is connected with multiple heat emission holes；Radiating piece 3 passes through ajutage 4 and accumulation of heat
Device connects, in this way, the hot-air in regenerative apparatus by heating can be delivered to the air stream of radiating piece 3 via ajutage 4
Dynamic passage, afterwards, hot-air is blown out from heat emission hole, in this way, can change outdoor heat exchanger via the hot-air that heat emission hole is blown out
11 ambient temperature, raises 11 ambient temperature of outdoor heat exchanger, the ice condensed on 11 outer surface of outdoor heat exchanger
Frost melts after the heat of ambient temperature is absorbed or distillation, so as to reach the outer surface frosting for eliminating outdoor unit
Purpose.
Fig. 2 is the structure diagram of the radiating piece of the present invention 3 according to shown by an exemplary embodiment.
In embodiment, radiating piece 3 is tabular or tubular structure, and radiating piece 3 is set up in the inner side, outer of outdoor heat exchanger 11
Side or inside and outside be respectively provided with, can be determined according to actual defrosting demand.
In embodiment, outdoor heat exchanger 11 have U-shaped heat exchange pipeline section be easier frosting position or frosting compared with
Serious position, preferably, radiating piece 3 has heat radiating flat tube 31 corresponding with U-shaped heat exchanger tube fragment position, one or more heat dissipation
Flat tube 31 is intercalated on tabular or tubular structure.
In in embodiment, heat emission hole includes the uniformly distributed heat dissipation micropore 32 in each heat radiating flat tube 31.
In embodiment, the air flow order slowed down in the device of air-conditioner outdoor unit frosting is flowed to from regenerative apparatus
Radiating piece 3, therefore, to ensure the lasting progress of hot-air defrost process, sets respectively on the case 21 of regenerative apparatus of the present invention
There are air outlet 23 and air inlet 22, wherein, air outlet 23 is connected with ajutage 4, and the hot-air in regenerative apparatus is via inlet air
Mouth 22 is delivered in ajutage 4；Air inlet 22 is then connected with the external environment condition of regenerative apparatus, is passed through with being supplemented from external environment condition
The air flowed out by air outlet 23.
In this way, sequence of flow of the air in regenerative apparatus is：Extraneous air enters regenerative apparatus via air inlet 22
In space in the porous space of heat-storing material or between the shell body of tube structure and compressor 12, afterwards, by compressor 12
The hot-air that is heated of waste heat be discharged into again by air outlet 23 in ajutage 4.In this way, regenerative apparatus can endlessly from
22 supplements cold of air inlet, and the hot-air after heating is delivered to radiating piece 3 via ajutage 4, with lasting to outdoor
Heat exchanger 11 carries out defrost ice-melt.
Preferably, air outlet 23 positioned at the position vertically above of air inlet 22, in this way, hot-air after heating due to from
Body density reduces, thus gradually on float on the top of case 21, and enter via air outlet 23 in ajutage 4, with reduce into
Cooling of the cold air that air port 22 newly fills on heated hot-air influences.
In embodiment, it is of the invention in order to provide the hot-air transfer efficiency for the device for slowing down air-conditioner outdoor unit frosting
Device is additionally provided with driving device 5, available for certain driving air-flow from regenerative apparatus via ajutage 4 to radiating piece 3.
Optionally, driving device 5 includes air blower, and in embodiment, the defeated air port of air blower is connected with air inlet 22,
Air blower can suck the Cryogenic air in external environment condition in the case where itself blade rotates the vacuum force produced, and from defeated air port
The air inlet 22 of regenerative apparatus is blowed to, air quantity is filled into improve regenerative apparatus.Meanwhile by varying the rotating speed of air blower, go back
Air supply velocity and air output that the present invention slows down the device of air-conditioner outdoor unit frosting can be changed, to meet outdoor heat exchanger 11
Different defrost demands.
In embodiment, the device of the invention for slowing down air-conditioner outdoor unit frosting further includes sensor 6 and controller, wherein,
Sensor 6 is used to detect outdoor environment temperature；Controller is electrically connected with sensor 6 and driving device 5 respectively, and controller is used for
When the outdoor environment temperature that sensor 6 is detected meets defrosting temperature conditionss, control is opened driving device 5 and is run.Therefore, pass through
The detection deterministic process of sensor 6 and controller, can be in outdoor heat exchanger 11 may open under the temperature conditionss of frosting
Defrosting function, opens the defeated wind pushing wind manipulation of driving device 5, to slow down the frosting problem of outdoor heat exchanger 11；It is also possible to
Outdoor heat exchanger 11 is not in that closing defrosting function may be controlled under the temperature conditionss of frosting, and driving device 5 is shut down, to reduce sky
The extra power consumption of tune.
Present invention also offers a kind of air-conditioning, the outdoor unit of air-conditioning is equipped with any one of previous embodiment and slows down air conditioning chamber
The device of outer machine frosting.Using the air-conditioning of the device, can the quick defrost of heat exchanging device when there is slight frosting, delay frosting
Time, lifts low-temperature heating effect；Simultaneously as outdoor heat exchanger 11 is to absorb heat from its external environment condition in a heating mode
Amount, therefore, the waste heat of compressor 12 can also be delivered to outdoor heat exchanger 11 by the device of the invention, so as to improve to compression
The utilization rate of waste heat of machine 12, enhances the heating performance of air-conditioning.
It should be appreciated that the invention is not limited in the flow and structure that are described above and are shown in the drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim
System.
Claims (10)
1. a kind of device for slowing down air-conditioner outdoor unit frosting, the outdoor unit includes compressor and outdoor heat exchanger, its feature exists
In described device includes：
Regenerative apparatus, the regenerative apparatus wrap up in the outside of at least part body arranged on the compressor；
Radiating piece, the radiating piece are arranged at the outdoor heat exchanger, and have multiple heat emission holes；
Ajutage, the ajutage connect the regenerative apparatus and the radiating piece；
Driving device, for certain driving air-flow from the regenerative apparatus via the ajutage to the radiating piece.
2. device according to claim 1, it is characterised in that the radiating piece is tabular or tubular structure, the heat dissipation
Part is set up at least side of the outdoor heat exchanger.
3. the apparatus of claim 2, it is characterised in that the outdoor heat exchanger has U-shaped heat exchange pipeline section, described to dissipate
Warmware has heat radiating flat tube corresponding with the U-shaped heat exchanger tube fragment position, and one or more heat radiating flat tubes are intercalated in described
In tabular or tubular structure.
4. device according to claim 3, it is characterised in that the heat emission hole includes uniformly distributed in each heat dissipation
The heat dissipation micropore of flat tube.
5. device according to claim 1, it is characterised in that the regenerative apparatus has to be covered made of heat-storing material
Shell, the case wrap up in the outside of at least part body arranged on the compressor.
6. device according to claim 5, it is characterised in that the case is equipped with air inlet and air outlet, it is described go out
Air port is connected with the ajutage.
7. device according to claim 6, it is characterised in that the air outlet is located at the air inlet vertically above
Position.
8. device according to claim 5, it is characterised in that the driving device includes air blower, the air blower
Defeated air port is connected with the air inlet.
9. device according to claim 1, it is characterised in that described device further includes：
Sensor, for detecting outdoor environment temperature；
Controller, is electrically connected with the sensor and the driving device, for the outdoor environment detected in the sensor
When temperature meets defrosting temperature conditionss, the driving device operation is opened in control.
10. a kind of air-conditioning, it is characterised in that any one of them that the outdoor unit of the air-conditioning is equipped with such as claim 1-9 subtracts
The device of slow air-conditioner outdoor unit frosting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046369.6A CN107975887B (en) | 2017-10-31 | 2017-10-31 | Device for slowing down frosting of outdoor unit of air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046369.6A CN107975887B (en) | 2017-10-31 | 2017-10-31 | Device for slowing down frosting of outdoor unit of air conditioner and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107975887A true CN107975887A (en) | 2018-05-01 |
| CN107975887B CN107975887B (en) | 2021-04-20 |
Family
ID=62012920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711046369.6A Active CN107975887B (en) | 2017-10-31 | 2017-10-31 | Device for slowing down frosting of outdoor unit of air conditioner and air conditioner |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110529935A (en) * | 2019-08-16 | 2019-12-03 | 成都仙德科技有限公司 | A kind of portable acoustic energy air-conditioning |
| CN110608510A (en) * | 2019-08-21 | 2019-12-24 | 珠海格力电器股份有限公司 | Air conditioner, outdoor unit, defrosting device, defrosting control method and defrosting control system |
| CN110617563A (en) * | 2019-09-12 | 2019-12-27 | 成都仙德科技有限公司 | Portable acoustic energy air conditioner defrosting method |
| CN110671780A (en) * | 2019-10-24 | 2020-01-10 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN110779247A (en) * | 2019-11-29 | 2020-02-11 | 宁波奥克斯电气股份有限公司 | Anti-frosting device, control method, air conditioner and storage medium |
| CN113137775A (en) * | 2021-03-31 | 2021-07-20 | 青岛海尔空调电子有限公司 | Auxiliary heat recovery system for refrigeration system and refrigeration system with auxiliary heat recovery system |
| CN115264760A (en) * | 2022-07-08 | 2022-11-01 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
| CN115540078A (en) * | 2022-08-04 | 2022-12-30 | 青岛海尔空调器有限总公司 | Air conditioner outdoor unit and air conditioner |
| CN116007051A (en) * | 2022-12-07 | 2023-04-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Heating device, outdoor unit, air conditioner and frost prevention method |
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| CN110671780A (en) * | 2019-10-24 | 2020-01-10 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN110779247A (en) * | 2019-11-29 | 2020-02-11 | 宁波奥克斯电气股份有限公司 | Anti-frosting device, control method, air conditioner and storage medium |
| CN113137775A (en) * | 2021-03-31 | 2021-07-20 | 青岛海尔空调电子有限公司 | Auxiliary heat recovery system for refrigeration system and refrigeration system with auxiliary heat recovery system |
| CN115264760A (en) * | 2022-07-08 | 2022-11-01 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
| CN115264760B (en) * | 2022-07-08 | 2024-05-28 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
| CN115540078A (en) * | 2022-08-04 | 2022-12-30 | 青岛海尔空调器有限总公司 | Air conditioner outdoor unit and air conditioner |
| CN116007051A (en) * | 2022-12-07 | 2023-04-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Heating device, outdoor unit, air conditioner and frost prevention method |
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Effective date of registration: 20210324 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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