CN113007791A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN113007791A CN113007791A CN201911326538.0A CN201911326538A CN113007791A CN 113007791 A CN113007791 A CN 113007791A CN 201911326538 A CN201911326538 A CN 201911326538A CN 113007791 A CN113007791 A CN 113007791A
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- Prior art keywords
- outdoor
- heat exchanger
- fan
- air
- air conditioner
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- 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.)
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Classifications
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- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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- 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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
- F24F1/0093—Indoor units, e.g. fan coil units characterised by heating arrangements with additional radiant heat-discharging elements, e.g. electric heaters
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- 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
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
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- 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
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses an air conditioner, comprising: an outdoor unit; the outdoor unit includes: a housing configured with an air inlet and an air outlet; an outdoor heat exchanger disposed in the housing; the outdoor fan is arranged in the shell and used for driving outside air to enter the shell through the air inlet, exchange heat with the outdoor heat exchanger and then be discharged out of the shell through the air outlet; the electromagnetic heating component is used for heating air before heat exchange with the outdoor heat exchanger when defrosting treatment is carried out on the outdoor heat exchanger. The air is heated by the electromagnetic heating component to carry out outdoor heat exchange defrosting, so that defrosting efficiency is improved, and user experience is improved.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an air conditioner.
Background
Air conditioners are household appliances commonly used in daily life, and are classified into wall-mounted air conditioners and cabinet air conditioners. Among them, the air conditioner generally includes an indoor unit installed at an indoor side and an outdoor unit installed at an outdoor side.
The air conditioner generally has a cooling and heating function, and is in a heating mode in a winter environment. Due to the low outdoor temperature, frost is generated on the outdoor heat exchanger of the outdoor unit, and defrosting operation is required. When the air conditioner performs defrosting, the indoor unit normally stops heating. The normal shutdown defrosting operation time of the air conditioner generally needs 15 minutes to finish, and the indoor air temperature drops suddenly in the time, so that the bad experience is brought to indoor users.
In view of this, how to design an air conditioning technology that meets the defrosting requirement and has high defrosting efficiency and good user experience is a technical problem to be solved by the present invention.
Disclosure of Invention
In order to solve the problem of poor user experience caused by direct blowing of an air conditioner in the prior art, the invention provides the air conditioner, air is heated by the electromagnetic heating component to carry out heat exchange and defrosting outdoors, defrosting efficiency is improved, and user experience is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the present invention provides an air conditioner, comprising: an outdoor unit;
the outdoor unit includes:
a housing configured with an air inlet and an air outlet;
an outdoor heat exchanger disposed in the housing;
the outdoor fan is arranged in the shell and used for driving outside air to enter the shell through the air inlet, exchange heat with the outdoor heat exchanger and then be discharged out of the shell through the air outlet;
the electromagnetic heating component is used for heating air before heat exchange with the outdoor heat exchanger when defrosting treatment is carried out on the outdoor heat exchanger.
Furthermore, the outdoor fan comprises a motor and a fan, the fan is arranged on a rotating shaft of the motor, and a shell of the motor is a metal shell; the electromagnetic heating component is a first electromagnetic coil wound outside the motor.
Further, the electromagnetic heating component comprises a metal sleeve and a second electromagnetic coil, and the second electromagnetic coil is wound on the metal sleeve.
Furthermore, a plurality of hollowed-out vent holes are formed in the metal sleeve.
Further, a fan support is arranged in the shell, the fan support is made of metal materials, and the electromagnetic heating component is a third electromagnetic coil wound on the fan support.
Further, the fan bracket comprises a mounting seat and two metal rods, the mounting seat is arranged between the two metal rods, the metal rods are arranged in the shell, and the outdoor fan is arranged on the mounting seat; the third electromagnetic coil is wound around the metal rod.
Further, the third electromagnetic coils are respectively arranged at two end parts of the metal rod.
Furthermore, the outdoor heat exchanger is a finned heat exchanger, and the electromagnetic heating component is a fourth electromagnetic coil wound on the outer circumference of the outdoor heat exchanger.
Further, the front surface of the shell is provided with the air outlet, the side surface and/or the back surface of the shell is provided with the air inlet, the outdoor fan and the outdoor heat exchanger are arranged side by side, and the electromagnetic heating component is positioned between the outdoor fan and the outdoor heat exchanger; or the top surface of the shell is provided with the air outlet, the side surface of the shell is provided with the air inlet, the outdoor fan and the outdoor heat exchanger are arranged up and down, and the electromagnetic heating component is positioned below the outdoor fan.
Further, under the defrosting mode is executed to the air conditioner, the electromagnetic heating component is electrified, and the outdoor fan rotates reversely.
Compared with the prior art, the technical scheme of the invention has the following technical effects: through dispose the electromagnetic heating part in the shell, the electromagnetic heating part utilizes the alternating current can high efficiency produce the heat to under the effect of outdoor fan, blow outdoor heat exchanger with the heat of electromagnetic heating part release, in order to realize changing the frost to outdoor heat exchanger and handle, and the in-process that changes the frost at outdoor heat exchanger and handle, the indoor set of air conditioner still is in the operating mode that normally heats, thereby avoids indoor temperature to descend fast and influence user experience nature. Simultaneously, compare in the mode that adopts electric heating wire auxiliary heating, the electromagnetic heating part can not take place to damage because of the comdenstion water corrodes, more is favorable to improving and uses the reliability to, the heat production speed and the efficiency after the electromagnetic heating part circular telegram are higher, can satisfy the requirement that the outdoor unit changes frost fast.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an outdoor unit according to an embodiment of the present invention;
FIG. 2 is a view showing an assembly of an outdoor fan and an electromagnetic heating unit according to an embodiment of the present invention;
FIG. 3 is a second assembled view of the outdoor fan and the electromagnetic heating element according to the embodiment of the present invention;
FIG. 4 is a third assembly view of the outdoor fan and the electromagnetic heating element in the air conditioner of the present invention;
fig. 5 is a second schematic view illustrating an outdoor unit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The invention provides an air conditioner, which generally comprises an indoor unit and an outdoor unit, wherein the indoor unit and the outdoor unit are connected through a refrigerant pipe and a cable.
The outdoor unit is generally provided with a casing, and a compressor, an outdoor heat exchanger, a throttling device, an outdoor fan, an electric control box and other components arranged in the casing, while the indoor unit is generally provided with a casing, an indoor heat exchanger, an indoor fan, a control panel and other components, and the compressor, the outdoor heat exchanger, the throttling device and the indoor heat exchanger are connected through refrigerant pipelines to form a refrigeration loop.
In addition, under the action of the indoor fan, indoor air enters the indoor unit to exchange heat with the indoor heat exchanger and then is output to the outside so as to adjust the indoor temperature.
For the outdoor unit, in order to ensure that the indoor unit is always in a heating state in the defrosting mode in winter. Therefore, the outdoor unit is modified as follows, and is described with reference to the drawings.
As shown in fig. 1 to 5, the outdoor unit of the present invention generally includes: the air conditioner comprises a shell 1, an outdoor heat exchanger 2, an outdoor fan 3 and an electromagnetic heating component 4.
The housing 1 is provided with an intake opening 101 and an outtake opening 102. In a heating or cooling mode of the air conditioner, outside air enters the shell 1 only through the air inlet 101, exchanges heat with the outdoor heat exchanger 2 and is output through the air outlet 102.
The outdoor heat exchanger 2 is disposed in the casing 1, and the outdoor heat exchanger 2 is used for heat exchange with the outside air.
The outdoor fan 3 is disposed in the casing 1 and is configured to drive outside air to enter the casing 1 through the air inlet 101, exchange heat with the outdoor heat exchanger 2, and then discharge the heat to the outside of the casing 1 through the air outlet 102.
The electromagnetic heating component 4 is used for heating air before heat exchange with the outdoor heat exchanger 2 when defrosting treatment is carried out on the outdoor heat exchanger 2.
In the actual use process, when in the winter heating mode, the outdoor heat exchange surface frosts under the condition of low external environment temperature. At this time, it is necessary to perform a defrosting process on the surface of the outdoor heat exchanger 2.
In the defrosting process, the electromagnetic heating part 4 is powered on, the electromagnetic heating part 4 generates an electromagnetic heating effect by using alternating current, and the electromagnetic heating efficiency is high and the heat generation amount is large. The heat generated by the electromagnetic heating component 4 can heat the air before exchanging heat with the outdoor heat exchanger 2.
Like this, the air is heated by electromagnetic heating part 4 back and is heat exchanged with outdoor heat exchanger 2 again, can melt the frosting heating on outdoor heat exchanger 2 surface on the one hand, and on the other hand outdoor heat exchanger 2 can absorb the heat that the heated air contains to improve outdoor heat exchanger 2 heat transfer performance.
There are various ways to embody the electromagnetic heating member 4 and its mounting manner, which will be exemplified below.
In some embodiments, as shown in fig. 2, the outdoor fan 3 includes a motor 31 and a fan 32, the fan 32 is disposed on a rotating shaft of the motor 31, and a housing of the motor 31 is a metal shell; the electromagnetic heating member 4 is a first electromagnetic coil 41 wound outside the motor 31.
Specifically, the housing of the motor 31 may be made of aluminum or iron, and the first electromagnetic coil 41 is wound around the housing of the motor 31 to form the electromagnetic heating member 4. In actual use, when defrosting is needed, the first electromagnetic coil 41 is energized, the electromagnetic effect generated by the first electromagnetic coil 41 heats the housing of the motor 31, and the heat generated by the housing is driven by the airflow generated by the outdoor fan 3 to blow to the outdoor heat exchanger 2.
On one hand, the first electromagnetic coil 41 is energized, and current flows through the coil, so that the coil itself generates heat, and on the other hand, the shell made of aluminum or iron and the alternating magnetic field applied in the first electromagnetic coil 41 generate an eddy current effect to generate heat rapidly, thereby further improving the heating efficiency.
In some embodiments, as shown in fig. 3, the electromagnetic heating member 4 includes a metal sleeve 42 and a second electromagnetic coil 43, the second electromagnetic coil 43 being wound around the metal sleeve 42.
Specifically, the electromagnetic heating member 4 is composed of a second electromagnetic coil 43 and a metal sleeve 42, the metal sleeve 42 serving as a carrier member, and the second electromagnetic coil 43 wound thereon. In actual use, when defrosting is required, the second electromagnetic coil 43 is energized, and the electromagnetic effect generated by the second electromagnetic coil 43 will heat the metal sleeve 42. The metal sleeve 42 will heat the surrounding air and the air flow through the inside and outside thereof. The air in the casing 1 is driven to flow by matching with the outdoor fan 3, the air is heated by the inner wall and the outer wall of the metal sleeve 42, and then the heated air carries out heating defrosting treatment on the outdoor heat exchanger 2.
Preferably, the metal sleeve 42 is further provided with a plurality of hollow-out vent holes (not shown), and specifically, in the process of heating air through the metal sleeve 42, the hollow-out vent holes enable air inside and outside the metal sleeve 42 to flow rapidly, so as to improve the heating efficiency of the air.
In some embodiments, as shown in fig. 4, a fan support 5 is disposed in the housing 1, the fan support 5 is made of a metal material, and the electromagnetic heating component 4 is a third electromagnetic coil 44 wound on the fan support 5.
Specifically, for the outdoor fan 3, the fan bracket 5 is usually adopted for installation and fixation, so that the outdoor fan 3 is firmly and reliably installed in the casing 1. And the fan bracket 5 made of metal material can be wound with the third electromagnetic coil, so that the third electromagnetic coil can be installed through the fan bracket 5. The material of the fan support 5 may be iron or aluminum, and is not limited or described herein.
In actual use, when defrosting is needed, the third electromagnetic coil is electrified, and the electromagnetic effect generated by the third electromagnetic coil heats the fan bracket 5. The fan support 5 will heat the surrounding air. And the air in the shell 1 is driven to flow by matching with the outdoor fan 3, so that the heated air is used for heating and defrosting the outdoor heat exchanger 2.
Preferably, the fan bracket 5 includes a mounting seat 51 and two metal rods 52, the mounting seat 51 is disposed between the two metal rods 52, the metal rods 52 are disposed in the casing 1, and the outdoor fan 3 is disposed on the mounting seat 51; the third electromagnetic coil 44 is wound on the metal rod 52.
Specifically, two metal rods 52 are fixedly installed in the housing 1, and the mounting seat 51 is correspondingly installed between the two metal rods 52. Thus, the outdoor fan 3 can be mounted and fixed to the mount base 51. And the third electromagnetic coil 44 is wound on the metal rod 52 to generate heat through the metal rod 52.
In addition, in order to increase the amount of electromagnetic heat generation, the third electromagnetic coils 44 are provided at both end portions of the metal rod 52, respectively. The four third electromagnetic coils 44 are distributed around the outdoor fan 3, and the outdoor fan 3 drives air to flow so as to be heated by the end of the metal rod 52.
Likewise, in other embodiments, the outdoor heat exchanger 2 made of metal may also be used, for example: the outdoor heat exchanger 2 adopts a fin type heat exchanger, and the fin type heat exchanger is generally composed of copper pipes and aluminum fins. Correspondingly, the electromagnetic heating component 4 is a fourth electromagnetic coil (not shown) wound around the outer circumference of the outdoor heat exchanger 2. When defrosting, fourth solenoid can produce electromagnetic effect to whole outdoor heat exchanger 2 for 2 self of outdoor heat exchanger are whole to generate heat, with quick defrosting.
The outdoor unit may be constructed in a vertical or horizontal type.
For example: as shown in fig. 1, the outdoor unit is of a vertical structure, an air outlet 102 is formed in the top surface of a casing 1, an air inlet 101 is formed in the side surface of the casing 1, an outdoor fan 3 and an outdoor heat exchanger 2 are arranged up and down, and an electromagnetic heating component 4 is located below the outdoor fan 3.
Specifically, the outdoor fan 3 is disposed at the air outlet 102 disposed at the top of the housing 1, and correspondingly, the electromagnetic heating component 4 is located in the housing 1, and the outdoor heat exchanger 2 is disposed around the electromagnetic heating component 4.
As shown in fig. 5, the outdoor unit is of a horizontal type, the front surface of the casing 1 is provided with an air outlet 102, the side surface and/or the back surface of the casing 1 is provided with an air inlet 101, the outdoor fan 3 and the outdoor heat exchanger 2 are arranged side by side, and the electromagnetic heating component 4 is located between the outdoor fan 3 and the outdoor heat exchanger 2.
Specifically, the outdoor fan 3 is disposed at one side of the outdoor heat exchanger 2, and the electromagnetic heating member 4 is disposed between the outdoor fan 3 and the outdoor heat exchanger 2.
Based on the above technical solution, optionally, in the defrosting mode of the air conditioner, the electromagnetic heating component 4 is powered on, and the outdoor fan 3 is reversely rotated. Specifically, when the air conditioner is normally heating, the outdoor fan 3 rotates forward, and the outside air is heat exchanged from the air inlet 102 through the outdoor heat exchanger 2 and then is output to the outside from the air outlet 101. In the heating mode of the air conditioner, after the outdoor heat exchanger 2 frosts, the defrosting process is started. At this time, the electromagnetic heating component 4 is powered on to generate the electromagnetic heating effect, and meanwhile, the outdoor fan 3 is reversed, so that the air flows in the reverse direction, the air heated in the casing 1 is blown to the outdoor heat exchanger 2, and frost on the outdoor heat exchanger 2 is melted and output to the outside from the air inlet 102.
In the defrosting mode, the indoor unit is always in the heating mode, hot air is output from the indoor unit to continuously heat the indoor environment, and the temperature of the indoor environment is prevented from being rapidly reduced during defrosting.
In addition, as for the control mode of the electromagnetic heating component 4, the on and off of the IGBT can be used for control, and the frequency and duty ratio of the switching signal can be adjusted arbitrarily according to the heating requirement, which is not limited or described herein.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An air conditioner, comprising: an outdoor unit;
the outdoor unit includes:
a housing configured with an air inlet and an air outlet;
an outdoor heat exchanger disposed in the housing;
the outdoor fan is arranged in the shell and used for driving outside air to enter the shell through the air inlet, exchange heat with the outdoor heat exchanger and then be discharged out of the shell through the air outlet;
the electromagnetic heating component is used for heating air before heat exchange with the outdoor heat exchanger when defrosting treatment is carried out on the outdoor heat exchanger.
2. The air conditioner of claim 1, wherein the outdoor fan comprises a motor and a fan, the fan is arranged on a rotating shaft of the motor, and a shell of the motor is a metal shell; the electromagnetic heating component is a first electromagnetic coil wound outside the motor.
3. The air conditioner according to claim 1, wherein the electromagnetic heating part includes a metal sleeve and a second electromagnetic coil wound around the metal sleeve.
4. The air conditioner of claim 3, wherein the metal sleeve is further provided with a plurality of hollowed-out vent holes.
5. The air conditioner as claimed in claim 1, wherein a fan supporter is provided in the casing, the fan supporter is made of a metal material, and the electromagnetic heating member is a third electromagnetic coil wound on the fan supporter.
6. The air conditioner of claim 5, wherein the fan bracket includes a mounting seat and two metal rods, the mounting seat being disposed between the two metal rods, the metal rods being disposed in the housing, the outdoor fan being disposed on the mounting seat; the third electromagnetic coil is wound around the metal rod.
7. The air conditioner according to claim 6, wherein both end portions of the metal rod are provided with the third electromagnetic coils, respectively.
8. The air conditioner according to claim 1, wherein the outdoor heat exchanger is a fin type heat exchanger, and the electromagnetic heating member is a fourth electromagnetic coil wound around an outer circumference of the outdoor heat exchanger.
9. The air conditioner according to any one of claims 1 to 8, wherein the front surface of the housing is provided with the air outlet, the side surface and/or the back surface of the housing is provided with the air inlet, the outdoor fan and the outdoor heat exchanger are arranged side by side, and the electromagnetic heating component is positioned between the outdoor fan and the outdoor heat exchanger;
or the top surface of the shell is provided with the air outlet, the side surface of the shell is provided with the air inlet, the outdoor fan and the outdoor heat exchanger are arranged up and down, and the electromagnetic heating component is positioned below the outdoor fan.
10. The air conditioner according to any one of claims 1 to 8, wherein in a defrosting mode of the air conditioner, the electromagnetic heating part is energized, and the outdoor fan is reversely rotated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326538.0A CN113007791A (en) | 2019-12-20 | 2019-12-20 | Air conditioner |
| PCT/CN2020/116589 WO2021120743A1 (en) | 2019-12-20 | 2020-09-21 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326538.0A CN113007791A (en) | 2019-12-20 | 2019-12-20 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007791A true CN113007791A (en) | 2021-06-22 |
Family
ID=76382695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911326538.0A Pending CN113007791A (en) | 2019-12-20 | 2019-12-20 | Air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN113007791A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413413A (en) * | 2021-12-13 | 2022-04-29 | 珠海格力电器股份有限公司 | Air conditioner defrosting method and air conditioner |
-
2019
- 2019-12-20 CN CN201911326538.0A patent/CN113007791A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413413A (en) * | 2021-12-13 | 2022-04-29 | 珠海格力电器股份有限公司 | Air conditioner defrosting method and air conditioner |
| CN114413413B (en) * | 2021-12-13 | 2023-10-31 | 珠海格力电器股份有限公司 | Defrosting method of air conditioner and air conditioner |
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