CN207279842U - Air-conditioner outdoor unit - Google Patents
Air-conditioner outdoor unit Download PDFInfo
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- 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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- air
- outdoor unit
- exchanging segment
- heat exchanging
- radiator structure
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Abstract
The utility model discloses a kind of air-conditioner outdoor unit.The air-conditioner outdoor unit includes compressor, outdoor heat exchanger and the wind turbine of shell and setting inside the shell, radiator structure is additionally provided with shell, refrigerant pipeline between outdoor heat exchanger and the throttling arrangement of air-conditioning includes heat exchanging segment, heat exchanging segment is threaded through in radiator structure, radiator structure is used to radiate to the heater element in outdoor unit, heat exchanging segment optionally circulates or ends, and radiator structure is arranged on the wind path of wind turbine.Air-conditioner outdoor unit provided by the utility model cools down heater element using the refrigerant without throttling arrangement throttling, and when direction of the refrigerant from throttling arrangement to heat exchanging segment is flowed, heat exchanging segment is ended, cooled down using the wind of wind turbine generation to heater element, so as to avoid producing condensation on heater element, ensure the operational reliability of heater element.
Description
Technical field
Field of air conditioning is the utility model is related to, relates more specifically to a kind of air-conditioner outdoor unit.
Background technology
The driving of frequency-changeable compressor is driven there are more heater element in air-conditioner outdoor unit, such as in transducer air conditioning
Module, when air-conditioning system is run, drive module can produce heat, if this partial heat cannot dissipate in time, can cause mould
Deblocking temperature persistently rises, and causes module damage.The drive module of transducer air conditioning uses wind-cooling heat dissipating more at present, since heat dissipation is imitated
Rate is limited, and particularly under the conditions of megathermal climate, heat dissipation effect is worse, causes drive module to be chronically under high temperature and works, right
Module Reliability has considerable influence.
For this problem, propose radiated using the refrigerant before throttling after condensation to drive module in the prior art
Technical solution.But carried out for common monoblock type or Split hot pump-type air conditioner, a general only throttle part
Throttling.It can only realize that one mode (refrigeration or heating) is radiated using the refrigerant before throttling after condensation, and another
Pattern (heating or refrigeration) can only be radiated with the low temperature refrigerant after throttling, since refrigerant temperature is very low after throttling, with driving
Module heat transfer temperature difference is excessive, and near modules temperature is easy to drop to below dew-point temperature and produces condensation water, if condensation water is attached
In drive module, easily damage module, therefore drive module can not be dissipated using refrigerant under another pattern
Heat, causes heat dissipation effect of the drive module under another pattern poor, influences its reliability of operation.
Utility model content
In view of this, one of the purpose of this utility model be to provide one kind can to heater element carry out well cooling and
Can avoid on heater element produce condensation, ensure heater element operational reliability air-conditioner outdoor unit.
In order to achieve the above object, the utility model adopts the following technical solution：
A kind of air-conditioner outdoor unit, including shell and the compressor, outdoor heat exchanger and the wind turbine that are arranged in the shell, institute
State and radiator structure is additionally provided with shell, the refrigerant pipeline between the throttling arrangement of the outdoor heat exchanger and the air-conditioning includes
Heat exchanging segment, the heat exchanging segment are threaded through in the radiator structure, and the radiator structure is used for the fever member in the outdoor unit
Part radiates, and the heat exchanging segment optionally circulates or ends, and the radiator structure is arranged on the wind path of the wind turbine.
Preferably, partition plate is provided with the outdoor unit, the inner space of the outdoor unit is divided into first by the partition plate
Space and second space, the wind turbine and the outdoor heat exchanger are arranged in first space；
The heater element and the radiator structure are arranged in first space；Alternatively,
The heater element and the radiator structure are arranged in the second space, and connection institute is provided with the partition plate
The first ventilation hole of the first space and the second space is stated, and/or, it is provided with the shell and is connected with the second space
The second ventilation hole.
Preferably, the overall structure that the heater element and the radiator structure are formed is fixed on the partition plate.
Preferably, shutter is provided with the partition plate, it is logical that described first is formed between the blade of the shutter
Air holes.
Preferably, on the wind path of the wind turbine, the radiator structure and the heater element are located at the outdoor heat exchange
The downstream of device.
Preferably, it is provided with fin structure on the radiator structure.
Preferably, the fin structure extends towards the direction of the outdoor heat exchanger.
Preferably, the surface of the heater element and the radiator structure fits.
Preferably, the radiator structure includes the Part I and Part II being connected to each other, and the heat exchanging segment is folded in
Between the Part I and the Part II.
Preferably, it is provided with the interface of the Part I and/or the Part II for housing the heat exchange
The groove of section.
Preferably, the refrigerant pipeline further includes the bypass line being arranged in parallel with the heat exchanging segment, the refrigerant pipeline
On be provided with switching device, the switchgear configurations are, when refrigerant is flowed from the heat exchanging segment to the throttling arrangement direction
When so that heat exchanging segment circulation, the bypass line cut-off, when refrigerant is from the throttling arrangement to the direction of the heat exchanging segment
During flowing so that the bypass line circulation, the heat exchanging segment cut-off.
The heat exchanging segment that optionally can be circulated or end is provided with air-conditioner outdoor unit provided by the utility model, and
By the wind path for being arranged on wind turbine to the radiator structure that heater element radiates, in this way, using without throttling arrangement
The refrigerant of throttling cools down heater element, and when direction of the refrigerant from throttling arrangement to heat exchanging segment is flowed, by heat exchanging segment
Cut-off, cools down heater element using the wind of wind turbine generation, so as to avoid producing condensation on heater element, protects
Demonstrate,prove the operational reliability of heater element.
Brief description of the drawings
By the description to the utility model embodiment referring to the drawings, the above-mentioned and other mesh of the utility model
, feature and advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the refrigerant flowing side during air-conditioning system operation refrigeration mode that the utility model embodiment provides
To schematic diagram；
Fig. 2 shows the refrigerant flowing side during air-conditioning system operation heating mode that the utility model embodiment provides
To schematic diagram；
Fig. 3 shows that radiator structure, drive module and heat exchanging segment that the utility model embodiment provides coordinate
Front view together；
Fig. 4 shows that radiator structure, drive module and heat exchanging segment that the utility model embodiment provides coordinate
Right view together；
Fig. 5 shows internal structure schematic diagram of the air-conditioner outdoor unit of the utility model embodiment offer under vertical view
One of；
Fig. 6 shows internal structure schematic diagram of the air-conditioner outdoor unit of the utility model embodiment offer under vertical view
Two；
Fig. 7 shows internal structure schematic diagram of the air-conditioner outdoor unit of the utility model embodiment offer under vertical view
Three；
Fig. 8 shows internal structure schematic diagram of the air-conditioner outdoor unit of the utility model embodiment offer under vertical view
Four；
Fig. 9 shows internal structure schematic diagram of the air-conditioner outdoor unit of the utility model embodiment offer under vertical view
Five.
In figure, 2, shell；21st, the first space；22nd, second space；3rd, outdoor heat exchanger；4th, wind turbine；5th, indoor heat exchanger；
6th, electric expansion valve；7th, heat exchanging segment；8th, drive module；9th, bypass line；10th, the first check valve；11st, the second check valve；12nd, dissipate
Heat structure；121st, Part I；122nd, Part II；123rd, fin structure；13rd, partition plate；131st, the first ventilation hole；132nd, blinds
Window construction.
Embodiment
The utility model is described below based on embodiment, but the utility model is not restricted to these implementations
Example.It is detailed to describe some specific detail sections below in the detailed description of the utility model.To people in the art
The description of part can also understand the utility model completely without these details for member.In order to avoid obscuring the utility model
Essence, the not narration in detail of known method, process, flow, element.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with the " comprising " in claims, "comprising" etc.
Word should be construed to the implication included rather than exclusive or exhaustive implication；That is, it is containing for " including but not limited to "
Justice.
In the description of the utility model, it is to be understood that term " first ", " second " etc. are only used for description purpose,
And it is not intended that instruction or hint relative importance.In addition, in the description of the utility model, it is unless otherwise indicated, " more
It is a " it is meant that two or more.
This application provides a kind of air-conditioner outdoor unit, and the air-conditioning system where the air-conditioner outdoor unit is as shown in Figure 1, the air-conditioning
System further includes compressor (not shown), four-way valve (not shown), outdoor heat exchanger 3, indoor heat exchanger 5 and throttling
Device, as shown in figure 5, outdoor unit includes shell 2 and the outdoor heat exchanger 3 and wind turbine 4 that are arranged in shell 2, compressor is set
Put in shell 2.Compressor, four-way valve, outdoor heat exchanger 3, throttling arrangement, indoor heat exchanger 5 connect shape by refrigerant pipeline
Into refrigerant circulation circuit, switching of the air-conditioning system between heating mode and refrigeration mode can be achieved by the commutation of four-way valve.
Throttling arrangement for example can be the electric expansion valve 6 in Fig. 1, or can realize the other structures of throttling, such as capillary
Pipe, heating power expansion valve, restricting orifice etc..
Wherein, as shown in Figure 1, the refrigerant pipeline between outdoor heat exchanger 5 and electric expansion valve 6 includes heat exchanging segment 7, change
Hot arc 7 can carry out heat exchange with heater element, so as to be cooled down to heater element.Heater element can be outside air conditioning chamber
It is any in machine to need heat dissipation in the process of running to ensure the electrical equipment of operational reliability, for example, in a specific implementation
In example, compressor is frequency-changeable compressor, and heater element is the drive module 8 for driving compressor operating, is set when refrigerant flows through
When putting the heat exchanging segment 7 between outdoor heat exchanger 5 and electric expansion valve 6, refrigerant in heat exchanging segment 7 can with drive module 8 into
Row heat exchange, to realize the cooling to drive module 8, ensures the operational reliability of drive module 8, for example, shown in Fig. 3, changes
Hot arc 7 is threaded through in radiator structure 12, and radiator structure 12 for example passes through radiator structure 12 and heat exchanging segment 7 in bulk, drive module 8
Realize heat exchange (having specific introduction below).Due to when air-conditioning system run heat when, as shown in Fig. 2, the flowing side of refrigerant
To for from electric expansion valve 6 to the direction of heat exchanging segment 7, the refrigerant temperature after the throttling of electric expansion valve 6 is relatively low, with drive module
8 temperature difference is larger, if in this case refrigerant still with drive module 8 carry out heat exchange, can in drive module 8 shape
Into dew condensation phenomenon.
To solve the above problems, as shown in fig. 1, the refrigerant pipeline further includes the bypass being arranged in parallel with heat exchanging segment 7
Pipeline 9, bypass line 9 are set without drive module 8, i.e. bypass line 9 around drive module 8.It is additionally provided with switching device,
The switchgear configurations are, when direction of the refrigerant from heat exchanging segment 7 to electric expansion valve 6 is flowed, i.e. air-conditioning system fortune in Fig. 1
During row refrigeration mode so that heat exchanging segment 7 circulates, and bypass line 9 ends, and the refrigerant not yet to throttle through electric expansion valve 6 is exchanging heat
Section 7 exchanges heat with drive module 8, realizes the normal cooling effect to drive module 8, and work as refrigerant from electric expansion valve 6 to
During the direction flowing of heat exchanging segment 7, i.e. when air-conditioning system in Fig. 2 runs heating mode so that bypass line 9 circulates, heat exchanging segment 7
Cut-off, refrigerant flows to outdoor heat exchanger 3 without exchanging heat with drive module 8 through bypass line 9, at this time can by natural heat dissipation or
Cross-ventilated mode radiates, so as to avoid the condensation problem caused by heat exchange amount is excessive.
Switching device can be the arbitrary structures that can realize above-mentioned function, such as can be switching switch, pass through switching
Switch optionally switches heat exchanging segment 7 or bypass branch 9 in access refrigerant circulation flow path, for another example can be to set respectively
The solenoid valve on heat exchanging segment 7 and bypass branch 9 is put, the circulation of each branch is realized by controlling the opening and closing of solenoid valve and cuts
Only.In a preferred embodiment, as shown in Figure 1, switching device includes 10 He of the first check valve being arranged on heat exchanging segment 7
The second check valve 11 being arranged on bypass line 9, the first check valve 10 only allow refrigerant from heat exchanging segment 7 to electric expansion valve 6
Direction flowing, the second check valve 11 only allows refrigerant from direction from electric expansion valve 6 to bypass line 9 flowing, without control,
Above-mentioned function can be achieved by the cooperation of two check valves, it is simple in structure, improve the operational reliability of system.First check valve
10 are preferably provided at close to the side of outdoor heat exchanger 3.
To further improve the heat exchange efficiency between heat exchanging segment 7 and drive module 8, it is preferable that as shown in Figure 3 and Figure 4, also
Including radiator structure 12, heat exchanging segment 7 is threaded through in radiator structure 12, and surface of the drive module 8 preferably with radiator structure 12 is affixed
Close so that contact heat exchange is realized between drive module 8 and heat exchanging segment 7, heat transfer rate is fast, it is preferable that drive module 8 passes through
Fastener such as screw is fixed on radiator structure 12, so that drive module 8 forms an overall structure with radiator structure 12.
It is, of course, understood that drive module 8 can also be linked together by the modes such as clamping, grafting and radiator structure 12.
Preferably, for convenience of the assembling of heat exchanging segment 7 and radiator structure 12, radiator structure is split structure, specifically, is dissipated
Heat structure 12 includes the Part I 121 and Part II 122 being docking together, and heat exchanging segment 7 is sandwiched between 121 He of Part I
Between Part II 122, it is further preferred that can set use on the interface of Part I 121 and Part II 122
In the groove (not shown) of accommodating heat exchanging segment 7, in this way, after Part I 121 and Part II 122 dock, 7 quilt of heat exchanging segment
It is interposed in groove, so as to increase heat exchange area, improves the cooperation reliability of heat exchanging segment 7 and radiator structure 12.Heat exchanging segment 7
Cross section outer contour can be provided in round according to specific heat exchange demand, ellipse, polygon etc..
The connection mode of Part I 121 and Part II 122 can with but be not limited to be by fastener such as screw
Be fixedly connected, be clamped, grafting, welding etc..
Preferably, to further improve the radiating efficiency of drive module 8, fin structure is provided with radiator structure 12
123, fin structure 123 can be arranged on the optional position of radiator structure 12, be the installation site of arranged rational each several part, excellent
Selection of land, as shown in figure 3, fin structure 123 is arranged on the lateral surface of Part I 121, drive module 8 is fixed on Part II
On 122 lateral surface.
The monolithic construction that drive module 8 is formed with radiator structure 12 can be arranged on the optional position in shell 2, preferably
Ground, radiator structure 12 are arranged on the wind path of wind turbine 4, in this way, even in can not be cooled down using heat exchanging segment to drive module 8
When, it can also be cooled down using the wind that wind turbine 4 produces to it.For example, as shown in figure 5, it is provided with partition plate in shell 2
13, partition plate 13 is used to the inner space of shell 2 being divided into the first space 21 and second space 22, and outdoor heat exchanger 3 and wind turbine 4 are set
Put in the first space 21, wind turbine 4 is used to import the air in external environment condition in shell 2 carries out heat with outdoor heat exchanger 3
Exchange, the shape of outdoor heat exchanger 3 according to heat exchange demand it is different can be in such as the L-shaped in the U-shaped or Fig. 9 in Fig. 5 to 8,
Compressor is arranged in second space 22.The overall structure that drive module 8 and radiator structure 12 are formed can be as shown in Figs. 5 to 7
It is arranged in second space 22, can also be arranged on as shown in FIG. 8 and 9 in the first space 21, drive module 8 and radiator structure 12
The overall structure of composition is preferably fixed on partition plate 13, especially when the overall structure that drive module 8 and radiator structure 12 are formed is set
When putting in the first space 21, on the one hand so that structure is simpler compact, on the other hand it can be carried out by partition plate 13 necessarily
The heat dissipation of degree, further improves heat dissipation effect.
It is further preferred that as shown in figure 9, radiator structure 12 and drive module 8 are located outside the close wind turbine of heat exchanger 5
4 side so that on the wind path of wind turbine 4, radiator structure 12 and drive module 8 are located outside the downstream of heat exchanger 5, due to
Air-conditioning system is can not to cool down in a heating mode to drive module 8 in the application, and the outdoor heat exchange under heating mode
Device 5 is evaporator, therefore the air themperature after evaporator heat exchange is relatively low, and radiator structure 12 and drive module 8 are arranged on room
The downstream of external heat exchanger 5 can cool down it using the cold air after heat exchange, so as to further increase cooling-down effect.
Radiator structure 12 set orientation can with but be not limited to be the extension of its fin structure 123 shown in Figures 5 and 6
Direction is parallel with the axis direction of wind turbine 4, or as shown in Fig. 7 to 9, and fin structure 123 is towards the direction of outdoor heat exchanger 3
Extension, both set orientation to realize good heat dissipation effect.
It is further preferred that to improve the radiating efficiency of radiator structure 12, as shown in fig. 6, the company of being provided with partition plate 13
Lead to the first ventilation hole 131 of the first space 21 and second space 22, it is logical that second connected with second space 22 is provided with shell 2
Air holes (not shown), the first ventilation hole 131 and the second ventilation hole are preferably provided at and 12 corresponding position of radiator structure
Place, in this way, under the drive of wind turbine 4, air can form flowing in second space 22, so as to improve dissipating for radiator structure 12
The thermal efficiency.
It is further preferred that as shown in fig. 6, be provided with shutter 132 on partition plate 13, shape between the blade of shutter
Into the first ventilation hole 131, the setting of shutter 132, which can effectively avoid dust etc. from entering in the first space 21, influences wind turbine
4 normal operation and the heat exchange efficiency of outdoor heat exchanger 3.
The heat exchanging segment that optionally can be circulated or end is provided with air-conditioner outdoor unit provided by the utility model, and
By the wind path for being arranged on wind turbine to the radiator structure that heater element radiates, in this way, using without throttling arrangement
The refrigerant of throttling cools down heater element, and when direction of the refrigerant from throttling arrangement to heat exchanging segment is flowed, by heat exchanging segment
Cut-off, cools down heater element using the wind of wind turbine generation, so as to avoid producing condensation on heater element, protects
Demonstrate,prove the operational reliability of heater element.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each preferred solution can be free
Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is only exemplary, and it is nonrestrictive, without departing from the utility model
In the case of basic principle, those skilled in the art can be directed to the various obvious or equivalent modification that above-mentioned details is made
Or replace, all it is included in the right of the utility model.
Claims (11)
1. a kind of air-conditioner outdoor unit, it is characterised in that including shell and the compressor, the outdoor heat exchanger that are arranged in the shell
And wind turbine, radiator structure is additionally provided with the shell, it is cold between the outdoor heat exchanger and the throttling arrangement of the air-conditioning
Matchmaker's pipeline includes heat exchanging segment, and the heat exchanging segment is threaded through in the radiator structure, and the radiator structure is used for the outdoor unit
Interior heater element radiates, and the heat exchanging segment optionally circulates or ends, and the radiator structure is arranged on the wind turbine
Wind path on.
2. air-conditioner outdoor unit according to claim 1, it is characterised in that be provided with partition plate in the outdoor unit, it is described every
The inner space of the outdoor unit is divided into the first space and second space by plate, and the wind turbine and the outdoor heat exchanger are arranged on
In first space；
The heater element and the radiator structure are arranged in first space；Alternatively,
The heater element and the radiator structure are arranged in the second space, and connection described the is provided with the partition plate
One space and the first ventilation hole of the second space, and/or, connected with the second space is provided with the shell
Two ventilation holes.
3. air-conditioner outdoor unit according to claim 2, it is characterised in that the heater element and the radiator structure are formed
Overall structure be fixed on the partition plate.
4. air-conditioner outdoor unit according to claim 2, it is characterised in that shutter, institute are provided with the partition plate
State and form first ventilation hole between the blade of shutter.
5. air-conditioner outdoor unit according to claim 2, it is characterised in that on the wind path of the wind turbine, the heat dissipation knot
Structure and the heater element are located at the downstream of the outdoor heat exchanger.
6. the air-conditioner outdoor unit according to one of claim 1 to 5, it is characterised in that be provided with wing on the radiator structure
Chip architecture.
7. air-conditioner outdoor unit according to claim 6, it is characterised in that the fin structure is towards the outdoor heat exchanger
Direction extension.
8. the air-conditioner outdoor unit according to one of claim 1 to 5, it is characterised in that the heater element and the heat dissipation
The surface of structure fits.
9. the air-conditioner outdoor unit according to one of claim 1 to 5, it is characterised in that the radiator structure includes being connected to each other
Part I and Part II, the heat exchanging segment is folded between the Part I and the Part II.
10. air-conditioner outdoor unit according to claim 9, it is characterised in that the Part I and/or the Part II
Interface on be provided with groove for housing the heat exchanging segment.
11. the air-conditioner outdoor unit according to one of claim 1 to 5, it is characterised in that the refrigerant pipeline further includes and institute
The bypass line that heat exchanging segment is arranged in parallel to be stated, switching device is provided with the refrigerant pipeline, the switchgear configurations are, when
Refrigerant from the heat exchanging segment to the throttling arrangement direction flow when so that heat exchanging segment circulation, the bypass line cut-off,
When direction of the refrigerant from the throttling arrangement to the heat exchanging segment is flowed so that the bypass line circulation, the heat exchanging segment
Cut-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721220418.9U CN207279842U (en) | 2017-09-22 | 2017-09-22 | Air-conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721220418.9U CN207279842U (en) | 2017-09-22 | 2017-09-22 | Air-conditioner outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207279842U true CN207279842U (en) | 2018-04-27 |
Family
ID=61982606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721220418.9U Active CN207279842U (en) | 2017-09-22 | 2017-09-22 | Air-conditioner outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| 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, control method and air-conditioner outdoor unit for 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, control method and air-conditioner outdoor unit for 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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