CN207279842U - Outdoor machine of air conditioner - Google Patents
Outdoor machine of air conditioner Download PDFInfo
- Publication number
- CN207279842U CN207279842U CN201721220418.9U CN201721220418U CN207279842U CN 207279842 U CN207279842 U CN 207279842U CN 201721220418 U CN201721220418 U CN 201721220418U CN 207279842 U CN207279842 U CN 207279842U
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- heat
- outdoor unit
- exchange section
- heat exchange
- outdoor
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 57
- 239000003507 refrigerant Substances 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 abstract description 9
- 238000009833 condensation Methods 0.000 abstract description 9
- 238000004378 air conditioning Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses an air condensing units. The outdoor unit of the air conditioner comprises a shell, a compressor, an outdoor heat exchanger and a fan, wherein the compressor, the outdoor heat exchanger and the fan are arranged in the shell, a heat dissipation structure is further arranged in the shell, a refrigerant pipeline between the outdoor heat exchanger and a throttling device of the air conditioner comprises a heat exchange section, the heat exchange section is arranged in the heat dissipation structure in a penetrating mode, the heat dissipation structure is used for dissipating heat of a heating element in the outdoor unit, the heat exchange section selectively circulates or is cut off, and the heat dissipation structure is arranged on an. The utility model provides an air condensing units usable refrigerant that is not the throttling arrangement throttle cools down heating element, and when the refrigerant was flowed by throttling arrangement to the direction of heat transfer section, cut off the heat transfer section, the wind that utilizes the fan to produce cooled down heating element to can avoid producing the condensation on heating element, guarantee heating element's operational reliability.
Description
Technical Field
The utility model relates to an air conditioning field, more specifically relates to an air condensing units.
Background
The outdoor unit of the air conditioner has more heating elements, for example, a driving module for driving an inverter compressor in the inverter air conditioner, when the air conditioning system operates, the driving module generates heat, and if the heat cannot be dissipated in time, the temperature of the module rises continuously, so that the module is damaged. At present, the driving module of the variable frequency air conditioner mostly adopts air cooling heat dissipation, and the heat dissipation efficiency is limited, and particularly under the high-temperature climate condition, the heat dissipation effect is worse, so that the driving module works at a high temperature for a long time, and the reliability of the module is greatly influenced.
In order to solve the problem, a technical scheme for radiating the driving module by adopting a refrigerant after condensation and before throttling is provided in the prior art. However, for a common unitary or split heat pump type air conditioner, there is generally only one throttling element to throttle. It can only realize that one mode (refrigeration or heating) adopts the refrigerant before the throttle after the condensation to dispel the heat, and another mode (heating or refrigeration) can only dispel the heat with the low temperature refrigerant after the throttle, because the refrigerant temperature is very low after the throttle, it is too big with drive module heat transfer difference in temperature, the temperature in module nearby drops to below dew point temperature very easily and produces the condensation water, if the condensation water attaches to drive module, very easily damage the module, consequently can't utilize the refrigerant to dispel the heat to drive module under another mode, lead to drive module radiating effect under another mode poor, influence the reliability of its operation.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide an air conditioner outdoor unit capable of cooling a heating element well and avoiding condensation on the heating element, thereby ensuring operational reliability of the heating element.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an outdoor unit of an air conditioner comprises a shell, a compressor, an outdoor heat exchanger and a fan, wherein the compressor, the outdoor heat exchanger and the fan are arranged in the shell, a heat dissipation structure is further arranged in the shell, a refrigerant pipeline between the outdoor heat exchanger and a throttling device of the air conditioner comprises a heat exchange section, the heat exchange section is arranged in the heat dissipation structure in a penetrating mode, the heat dissipation structure is used for dissipating heat of a heating element in the outdoor unit, the heat exchange section selectively circulates or is cut off, and the heat dissipation structure is arranged on an air path of the fan.
Preferably, a partition plate is arranged in the outdoor unit, the partition plate divides an internal space of the outdoor unit into a first space and a second space, and the fan and the outdoor heat exchanger are arranged in the first space;
the heating element and the heat dissipation structure are arranged in the first space; or,
the heating element with heat radiation structure sets up in the second space, be provided with on the baffle the intercommunication first space with the first ventilation hole in second space, and/or, be provided with on the shell with the second ventilation hole in second space intercommunication.
Preferably, the heat generating element and the heat dissipating structure are integrally fixed to the partition plate.
Preferably, the partition board is provided with a louver structure, and the first vent hole is formed between the blades of the louver structure.
Preferably, the heat dissipation structure and the heat generating element are located on a downstream side of the outdoor heat exchanger in an air path of the fan.
Preferably, a fin structure is arranged on the heat dissipation structure.
Preferably, the fin structure extends toward the direction of the outdoor heat exchanger.
Preferably, the heat generating element is attached to a surface of the heat dissipating structure.
Preferably, the heat dissipation structure comprises first and second portions that are butted, the heat exchange section being sandwiched between the first and second portions.
Preferably, a groove for accommodating the heat exchange section is arranged on the butt joint surface of the first part and/or the second part.
Preferably, the refrigerant pipeline further includes a bypass pipeline connected in parallel with the heat exchange section, a switch device is arranged on the refrigerant pipeline, the switch device is configured to enable the heat exchange section to circulate when the refrigerant flows from the heat exchange section to the direction of the throttling device, the bypass pipeline is cut off, and enable the bypass pipeline to circulate when the refrigerant flows from the throttling device to the direction of the heat exchange section, and the heat exchange section is cut off.
The utility model provides a be provided with the heat transfer section that can circulate selectively or end among the air condensing units to be used for carrying out radiating heat radiation structure setting on the wind way of fan to heating element, so, usable refrigerant that is not throttled by throttling arrangement cools down heating element, and when the refrigerant flows by throttling arrangement to the direction of heat transfer section, end the heat transfer section, the wind that utilizes the fan to produce comes to cool down heating element, thereby can avoid producing the condensation on heating element, guarantee heating element's operational reliability.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram illustrating a refrigerant flowing direction when an air conditioning system provided by an embodiment of the present invention operates in a cooling mode;
fig. 2 is a schematic view illustrating a flow direction of a refrigerant in a heating mode of the air conditioning system according to an embodiment of the present invention;
fig. 3 is a front view of the heat dissipation structure, the driving module and the heat exchange section provided by the embodiment of the present invention;
fig. 4 is a right side view of the heat dissipation structure, the driving module and the heat exchange section provided in the embodiment of the present invention;
fig. 5 is a schematic view illustrating an internal structure of an outdoor unit of an air conditioner according to an embodiment of the present invention in a plan view;
fig. 6 is a second schematic view illustrating an internal structure of an outdoor unit of an air conditioner according to an embodiment of the present invention in a plan view;
fig. 7 is a third schematic view illustrating an internal structure of an outdoor unit of an air conditioner according to an embodiment of the present invention in a plan view;
fig. 8 is a fourth schematic view illustrating an internal structure of an outdoor unit of an air conditioner according to an embodiment of the present invention in a plan view;
fig. 9 is a fifth schematic view showing an internal structure of an outdoor unit of an air conditioner according to an embodiment of the present invention in a plan view.
In the figure, 2, a housing; 21. a first space; 22. a second space; 3. an outdoor heat exchanger; 4. a fan; 5. an indoor heat exchanger; 6. an electronic expansion valve; 7. a heat exchange section; 8. a drive module; 9. a bypass line; 10. a first check valve; 11. a second one-way valve; 12. a heat dissipation structure; 121. a first portion; 122. a second portion; 123. a fin structure; 13. a partition plate; 131. a first vent hole; 132. a blind structure.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, and components have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The application provides an air conditioner outdoor unit, the air conditioner system at this air conditioner outdoor unit place is shown in fig. 1, this air conditioner system still includes compressor (not shown in the figure), cross valve (not shown in the figure), outdoor heat exchanger 3, indoor heat exchanger 5 and throttling arrangement, as shown in fig. 5, the outdoor unit includes shell 2 and sets up outdoor heat exchanger 3 and fan 4 in shell 2, the compressor setting is in shell 2. The compressor, the four-way valve, the outdoor heat exchanger 3, the throttling device and the indoor heat exchanger 5 are connected through refrigerant pipelines to form a refrigerant circulation loop, and the switching between the heating mode and the cooling mode of the air conditioning system can be realized through the reversing of the four-way valve. The throttle device may be, for example, the electronic expansion valve 6 in fig. 1, or may be another structure capable of achieving throttling, such as a capillary tube, a thermal expansion valve, an orifice plate, or the like.
As shown in fig. 1, the refrigerant pipeline between the outdoor heat exchanger 5 and the electronic expansion valve 6 includes a heat exchange section 7, and the heat exchange section 7 can exchange heat with the heating element, so as to cool the heating element. For example, as shown in fig. 3, the heat exchange section 7 is inserted into the heat dissipation structure 12, the heat dissipation structure 12 is, for example, in a block shape, and the driving module 8 and the heat exchange section 7 realize heat exchange (which will be described later) through the heat dissipation structure 12. When the air conditioning system is operated to generate heat, as shown in fig. 2, the flow direction of the refrigerant is from the electronic expansion valve 6 to the heat exchange section 7, the temperature of the refrigerant throttled by the electronic expansion valve 6 is low, and the temperature difference between the refrigerant and the driving module 8 is large, so that if the refrigerant still performs heat exchange with the driving module 8 under the condition, a condensation phenomenon is formed on the driving module 8.
In order to solve the above problem, as shown in fig. 1, the refrigerant pipeline further includes a bypass pipeline 9 connected in parallel with the heat exchange section 7, and the bypass pipeline 9 does not pass through the driving module 8, that is, the bypass pipeline 9 is arranged to bypass the driving module 8. The cooling system is further provided with a switch device, the switch device is structured in such a way that when the refrigerant flows from the heat exchange section 7 to the electronic expansion valve 6, namely, the air conditioning system in fig. 1 operates in a cooling mode, the heat exchange section 7 is enabled to circulate, the bypass pipeline 9 is cut off, the refrigerant which is not throttled by the electronic expansion valve 6 exchanges heat with the driving module 8 in the heat exchange section 7, so as to realize a normal cooling effect on the driving module 8, and when the refrigerant flows from the electronic expansion valve 6 to the heat exchange section 7, namely, the air conditioning system in fig. 2 operates in a heating mode, the bypass pipeline 9 is enabled to circulate, the heat exchange section 7 is cut off, the refrigerant flows to the outdoor heat exchanger 3 through the bypass pipeline 9 and does not exchange heat with the driving module 8, at the moment, the heat can be dissipated through a natural heat dissipation or air convection mode, so.
The switching device may be any structure capable of implementing the above functions, for example, it may be a switch, and the switch selectively switches the heat exchange section 7 or the bypass branch 9 into the refrigerant circulation flow path, and for example, it may be an electromagnetic valve respectively disposed on the heat exchange section 7 and the bypass branch 9, and the opening and closing of each branch is implemented by controlling the opening and closing of the electromagnetic valve. In a preferred embodiment, as shown in fig. 1, the switching device includes a first check valve 10 disposed on the heat exchange section 7 and a second check valve 11 disposed on the bypass line 9, the first check valve 10 only allows the refrigerant to flow from the heat exchange section 7 to the electronic expansion valve 6, and the second check valve 11 only allows the refrigerant to flow from the electronic expansion valve 6 to the bypass line 9, without control, the above functions can be achieved by cooperation of the two check valves, the structure is simple, and the operation reliability of the system is improved. The first check valve 10 is preferably disposed at a side close to the outdoor heat exchanger 3.
In order to further improve the heat exchange efficiency between the heat exchange section 7 and the driving module 8, as shown in fig. 3 and 4, it is preferable that a heat dissipation structure 12 is further included, the heat exchange section 7 is inserted into the heat dissipation structure 12, and the driving module 8 is preferably attached to a surface of the heat dissipation structure 12, so that the driving module 8 and the heat exchange section 7 realize contact heat exchange, and the heat exchange speed is high, and it is preferable that the driving module 8 is fixed on the heat dissipation structure 12 by a fastener, such as a screw, so that the driving module 8 and the heat dissipation structure 12 form an integral structure. Of course, it is understood that the driving module 8 can be connected with the heat dissipation structure 12 by clipping, plugging, etc.
Preferably, in order to facilitate the assembly of the heat exchange section 7 and the heat dissipation structure 12, the heat dissipation structure is a split structure, specifically, the heat dissipation structure 12 includes a first portion 121 and a second portion 122 butted together, the heat exchange section 7 is sandwiched between the first portion 121 and the second portion 122, further preferably, a groove (not shown in the figure) for accommodating the heat exchange section 7 can be disposed on the butting surface of the first portion 121 and the second portion 122, so that, after the first portion 121 and the second portion 122 are butted, the heat exchange section 7 is sandwiched in the groove, thereby increasing the heat exchange area and improving the matching reliability of the heat exchange section 7 and the heat dissipation structure 12. The outer contour of the cross section of the heat exchange section 7 can be set to be circular, oval, polygonal and the like according to specific heat exchange requirements.
The first portion 121 and the second portion 122 may be connected by, but not limited to, fasteners such as screws, snaps, plugs, welds, etc.
Preferably, in order to further improve the heat dissipation efficiency of the driving module 8, a fin structure 123 is disposed on the heat dissipation structure 12, the fin structure 123 can be disposed at any position of the heat dissipation structure 12, and in order to reasonably arrange the installation positions of the parts, preferably, as shown in fig. 3, the fin structure 123 is disposed on the outer side surface of the first part 121, and the driving module 8 is fixed on the outer side surface of the second part 122.
The integral structure formed by the driving module 8 and the heat dissipation structure 12 can be arranged at any position in the housing 2, preferably, the heat dissipation structure 12 is arranged on the air path of the fan 4, so that even when the driving module 8 cannot be cooled by the heat exchange section, the driving module can be cooled by the air generated by the fan 4. For example, as shown in fig. 5, a partition plate 13 is provided in the casing 2, the partition plate 13 is used for dividing the inner space of the casing 2 into a first space 21 and a second space 22, the outdoor heat exchanger 3 and the fan 4 are provided in the first space 21, the fan 4 is used for guiding the air in the external environment into the casing 2 to exchange heat with the outdoor heat exchanger 3, the shape of the outdoor heat exchanger 3 may be U-shaped as shown in fig. 5 to 8 or L-shaped as shown in fig. 9 according to the heat exchange requirement, and the compressor is provided in the second space 22. The integral structure formed by the driving module 8 and the heat dissipation structure 12 can be arranged in the second space 22 as shown in fig. 5 to 7, or can be arranged in the first space 21 as shown in fig. 8 and 9, and the integral structure formed by the driving module 8 and the heat dissipation structure 12 is preferably fixed on the partition plate 13, especially when the integral structure formed by the driving module 8 and the heat dissipation structure 12 is arranged in the first space 21, on one hand, the structure is more simple and compact, on the other hand, a certain degree of heat dissipation can be performed through the partition plate 13, and the heat dissipation effect is further improved.
Further preferably, as shown in fig. 9, the heat dissipation structure 12 and the driving module 8 are located on a side of the outdoor heat exchanger 5 close to the fan 4, so that the heat dissipation structure 12 and the driving module 8 are located on a downstream side of the outdoor heat exchanger 5 in the air path of the fan 4, since the air conditioning system in the present application cannot cool the driving module 8 in the heating mode, and the outdoor heat exchanger 5 in the heating mode is an evaporator, the air temperature after heat exchange by the evaporator is low, and the heat dissipation structure 12 and the driving module 8 are located on the downstream side of the outdoor heat exchanger 5, and can cool the heat exchanger by using cold air after heat exchange, thereby further improving the cooling effect.
The orientation in which the heat dissipation structure 12 is disposed may be, but is not limited to, the orientation shown in fig. 5 and 6 in which the fin structure 123 extends in parallel with the axial direction of the fan 4, or the orientation shown in fig. 7 to 9 in which the fin structure 123 extends toward the direction of the outdoor heat exchanger 3, and both of these orientations can achieve good heat dissipation effects.
Further preferably, in order to improve the heat dissipation efficiency of the heat dissipation structure 12, as shown in fig. 6, a first vent hole 131 communicating the first space 21 and the second space 22 is provided on the partition plate 13, a second vent hole (not shown in the figure) communicating with the second space 22 is provided on the housing 2, and the first vent hole 131 and the second vent hole are preferably provided at positions corresponding to the heat dissipation structure 12, so that air can flow in the second space 22 under the driving of the fan 4, thereby improving the heat dissipation efficiency of the heat dissipation structure 12.
Further preferably, as shown in fig. 6, a louver structure 132 is disposed on the partition 13, the first ventilation hole 131 is formed between the blades of the louver, and the louver structure 132 is disposed to effectively prevent dust and the like from entering the first space 21 to affect the normal operation of the fan 4 and the heat exchange efficiency of the outdoor heat exchanger 3.
The utility model provides a be provided with the heat transfer section that can circulate selectively or end among the air condensing units to be used for carrying out radiating heat radiation structure setting on the wind way of fan to heating element, so, usable refrigerant that is not throttled by throttling arrangement cools down heating element, and when the refrigerant flows by throttling arrangement to the direction of heat transfer section, end the heat transfer section, the wind that utilizes the fan to produce comes to cool down heating element, thereby can avoid producing the condensation on heating element, guarantee heating element's operational reliability.
Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the above-described embodiments are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions may be made in the details described herein by those skilled in the art without departing from the basic principles of the invention.
Claims (11)
1. The outdoor unit of the air conditioner is characterized by comprising a shell, a compressor, an outdoor heat exchanger and a fan, wherein the compressor, the outdoor heat exchanger and the fan are arranged in the shell, a heat dissipation structure is further arranged in the shell, a refrigerant pipeline between the outdoor heat exchanger and a throttling device of the air conditioner comprises a heat exchange section, the heat exchange section is arranged in the heat dissipation structure in a penetrating mode and used for dissipating heat of a heating element in the outdoor unit, the heat exchange section selectively circulates or is cut off, and the heat dissipation structure is arranged on an air path of the fan.
2. The outdoor unit of claim 1, wherein a partition is provided in the outdoor unit, the partition dividing an inner space of the outdoor unit into a first space and a second space, the blower fan and the outdoor heat exchanger being disposed in the first space;
the heating element and the heat dissipation structure are arranged in the first space; or,
the heating element with heat radiation structure sets up in the second space, be provided with on the baffle the intercommunication first space with the first ventilation hole in second space, and/or, be provided with on the shell with the second ventilation hole in second space intercommunication.
3. The outdoor unit of claim 2, wherein the heat generating element and the heat dissipating structure are integrally fixed to the partition.
4. The outdoor unit of claim 2, wherein the partition is provided with louver structures, and the first ventilating holes are formed between the louver blades.
5. The outdoor unit of claim 2, wherein the heat dissipation structure and the heat generating element are located on a downstream side of the outdoor heat exchanger in an air path of the fan.
6. The outdoor unit of any one of claims 1 to 5, wherein the heat radiating structure is provided with a fin structure.
7. The outdoor unit of claim 6, wherein the fin structure extends toward the outdoor heat exchanger.
8. The outdoor unit of any one of claims 1 to 5, wherein the heat generating element is attached to a surface of the heat dissipating structure.
9. The outdoor unit of any one of claims 1 to 5, wherein the heat discharging structure comprises a first portion and a second portion which are coupled to each other, and the heat exchanging section is interposed between the first portion and the second portion.
10. The outdoor unit of claim 9, wherein a groove for receiving the heat exchange section is formed on a facing surface of the first portion and/or the second portion.
11. The outdoor unit of any one of claims 1 to 5, wherein the refrigerant line further comprises a bypass line connected in parallel to the heat exchange section, and a switching device is disposed on the refrigerant line, the switching device being configured to allow the heat exchange section to circulate when the refrigerant flows from the heat exchange section to the throttling device, and to block the bypass line, and to allow the bypass line to circulate when the refrigerant flows from the throttling device to the heat exchange section, and to block the heat exchange section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721220418.9U CN207279842U (en) | 2017-09-22 | 2017-09-22 | Outdoor machine of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721220418.9U CN207279842U (en) | 2017-09-22 | 2017-09-22 | Outdoor machine of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207279842U true CN207279842U (en) | 2018-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721220418.9U Active CN207279842U (en) | 2017-09-22 | 2017-09-22 | Outdoor machine of air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN207279842U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099523A (en) * | 2018-08-22 | 2018-12-28 | 珠海格力电器股份有限公司 | Radiator and air conditioning system |
| CN110296482A (en) * | 2019-07-09 | 2019-10-01 | 青岛海尔空调器有限总公司 | Air supply assembly for air conditioner outdoor unit, control method and air conditioner outdoor unit |
| CN110645640A (en) * | 2019-10-25 | 2020-01-03 | 珠海格力电器股份有限公司 | Electric appliance box and outdoor unit with high heat dissipation efficiency |
| CN112789449A (en) * | 2018-10-11 | 2021-05-11 | 三菱电机株式会社 | Outdoor machine |
| CN116025964A (en) * | 2022-12-29 | 2023-04-28 | 珠海格力电器股份有限公司 | Heat pump unit and cooling control method for variable frequency module of heat pump unit |
-
2017
- 2017-09-22 CN CN201721220418.9U patent/CN207279842U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099523A (en) * | 2018-08-22 | 2018-12-28 | 珠海格力电器股份有限公司 | Radiator and air conditioning system |
| CN109099523B (en) * | 2018-08-22 | 2023-04-07 | 珠海格力电器股份有限公司 | Radiator and air conditioning system |
| CN112789449A (en) * | 2018-10-11 | 2021-05-11 | 三菱电机株式会社 | Outdoor machine |
| CN112789449B (en) * | 2018-10-11 | 2022-05-10 | 三菱电机株式会社 | Outdoor machine |
| CN110296482A (en) * | 2019-07-09 | 2019-10-01 | 青岛海尔空调器有限总公司 | Air supply assembly for air conditioner outdoor unit, control method and air conditioner outdoor unit |
| CN110296482B (en) * | 2019-07-09 | 2023-03-21 | 青岛海尔空调器有限总公司 | Air supply assembly for air conditioner outdoor unit, control method and air conditioner outdoor unit |
| CN110645640A (en) * | 2019-10-25 | 2020-01-03 | 珠海格力电器股份有限公司 | Electric appliance box and outdoor unit with high heat dissipation efficiency |
| CN116025964A (en) * | 2022-12-29 | 2023-04-28 | 珠海格力电器股份有限公司 | Heat pump unit and cooling control method for variable frequency module of heat pump unit |
| CN116025964B (en) * | 2022-12-29 | 2024-05-03 | 珠海格力电器股份有限公司 | Heat pump unit and cooling control method for variable frequency module of heat pump unit |
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