CN112140834B - Heat abstractor, speed governing module and vehicle air conditioner - Google Patents
Heat abstractor, speed governing module and vehicle air conditioner Download PDFInfo
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- CN112140834B CN112140834B CN202011011636.8A CN202011011636A CN112140834B CN 112140834 B CN112140834 B CN 112140834B CN 202011011636 A CN202011011636 A CN 202011011636A CN 112140834 B CN112140834 B CN 112140834B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
- H01L23/3672—Foil-like cooling fins or heat sinks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H2001/00614—Cooling of electronic units in air stream
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- Condensed Matter Physics & Semiconductors (AREA)
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- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
本发明公开了一种汽车空调调速模块的散热装置、调速模块及汽车空调，属于汽车技术领域，汽车空调调速模块的散热装置包括热管、散热翅片及导热底座，热管设有多个，多个热管间隔设置于导热底座上，散热翅片设有多个，多个散热翅片沿热管的延伸方向间隔设置于热管远离导热底座的一端，且每个热管均穿设于多个散热翅片。场效应管产生的热量通过导热底座传递至热管并通过散热翅片向外散失，从而实现对场效应管的快速散热，相比现有技术，具有较高的换热效率；且由于热管间隔设置、散热翅片间隔设置空隙较大，对鼓风机吹出的气流产生的阻力较小，从而使吹向蒸发器的气流较均匀，避免调速模块周围出现大范围涡流，改善蒸发器出风温度均匀性。
The invention discloses a heat dissipation device of an automobile air conditioner speed control module, a speed control module and an automobile air conditioner, which belong to the technical field of automobiles. The heat dissipation device of the automobile air conditioner speed control module comprises a heat pipe, a heat dissipation fin and a heat conduction base. , a plurality of heat pipes are arranged on the heat-conducting base at intervals, a plurality of heat-dissipating fins are arranged, and a plurality of heat-dissipating fins are arranged at intervals along the extending direction of the heat-pipe at one end of the heat-pipe away from the heat-conducting base, and each heat pipe is passed through a plurality of heat-dissipating fins fins. The heat generated by the field effect tube is transferred to the heat pipe through the heat conduction base and dissipated outward through the heat dissipation fins, so as to realize the rapid heat dissipation of the field effect tube. Compared with the prior art, it has higher heat exchange efficiency; and because the heat pipes are arranged at intervals . The space between the cooling fins is large, and the resistance to the air flow blown by the blower is small, so that the air flow to the evaporator is more uniform, avoiding large-scale eddy currents around the speed control module, and improving the uniformity of the air outlet temperature of the evaporator. .
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a heat dissipation device of an automobile air conditioner speed regulation module, the speed regulation module and an automobile air conditioner.
Background
The automobile air conditioner is a device for refrigerating, heating, ventilating and purifying air in a carriage, can provide comfortable riding environment for passengers and improve driving safety, and therefore becomes an indispensable important accessory of an automobile.
The speed regulating module of the automobile air conditioner blower is used for controlling the speed and the air volume of the automobile air conditioner blower, providing different wind speeds required by passengers and improving the comfort of the whole automobile. The main working principle of the speed regulating module is as follows: after a control panel of the air conditioner sends a signal to the speed regulating module, a field effect transistor in the speed regulating module is used as a main switch element to change the conduction mode and the on-off ratio of the field effect transistor according to the signal, and the output voltage and the polarity of the speed regulating module are changed, so that the output voltage is used for controlling the rotating speed of a direct current motor connected with the air blower, and the rotating speed and the air volume of the air blower are further adjusted.
The field effect transistor is a main switching element in the speed regulation module and has large bearing current, so the field effect transistor becomes a main heating source in the speed regulation module. At present, the heat dissipation of a field effect transistor is mainly realized through a radiator, but the heat dissipation capacity of the existing radiator is limited, and the radiator can block the air flow of an air blower in a volute, so that the air flow is uneven, and the working efficiency of an evaporator is influenced.
Disclosure of Invention
The invention aims to provide a heat dissipation device of a speed regulation module of an automobile air conditioner, the speed regulation module and the automobile air conditioner, and aims to solve the problems that in the prior art, the heat dissipation capability of a heat radiator is limited, and the heat radiator blocks airflow of an air blower in a volute, so that the airflow is uneven, and the working efficiency of an evaporator is influenced.
As the conception, the technical scheme adopted by the invention is as follows:
the utility model provides a heat abstractor of vehicle air conditioner speed governing module, includes heat pipe, radiating fin and can the butt in the heat conduction base of field effect transistor, the heat pipe is equipped with a plurality ofly, and is a plurality of the heat pipe interval set up in on the heat conduction base, radiating fin is equipped with a plurality ofly, and is a plurality of radiating fin follows the extending direction interval of heat pipe set up in the heat pipe is kept away from the one end of heat conduction base, and every the heat pipe all wears to locate a plurality ofly radiating fin.
As an optimal technical scheme of the heat dissipation device of the automobile air conditioner speed regulation module, in the extension direction of the heat pipe, the distance between two heat dissipation fins positioned on the outermost side is smaller than the distance between one heat dissipation fin closest to the heat conduction base and the heat conduction base.
As an optimal technical scheme of the heat dissipation device of the automobile air conditioner speed regulation module, a plurality of heat pipes are arranged in a rectangular array.
In order to achieve the purpose, the invention further provides a speed regulation module which comprises the heat dissipation device of the automobile air conditioner speed regulation module in any scheme.
As the preferred technical scheme of speed governing module, the speed governing module still includes mount pad, PCB board, field effect transistor and power inserted sheet, the PCB board with the power inserted sheet all set up in the mount pad, just PCB board electrically connect in the power inserted sheet, field effect transistor set up in on the PCB board, heat conduction base connect in the mount pad, and the butt in field effect transistor.
As a preferred technical scheme of the speed regulation module, a plurality of fixing columns are convexly arranged on the mounting seat, the plurality of fixing columns surround the field effect transistor, and a first fastener penetrates through the heat conduction base and is connected to the corresponding fixing columns so as to connect the heat conduction base and the mounting seat.
In order to achieve the purpose, the invention further provides an automobile air conditioner which comprises the automobile air conditioner in any scheme.
As an optimal technical scheme of the automobile air conditioner, the automobile air conditioner further comprises a volute, an air blower arranged in the volute and an evaporator positioned at an air outlet of the volute, the speed regulation module is arranged in the volute, and a heat dissipation device of the speed regulation module of the automobile air conditioner is positioned in the volute.
As the preferred technical scheme of the automobile air conditioner, the volute comprises an upper volute and a lower volute which are detachably connected, the speed regulating module is installed on the lower volute, and the heat radiating device of the automobile air conditioner speed regulating module is located in a space surrounded by the upper volute and the lower volute.
As the preferred technical scheme of the automobile air conditioner, a first fixing hole is formed in the mounting seat of the speed regulating module, a second fixing hole is formed in the position, corresponding to the first fixing hole, of the volute, and a second fastening piece penetrates through the first fixing hole and extends into the second fixing hole to connect the mounting seat and the volute.
The invention has the beneficial effects that:
the heat dissipation device of the automobile air conditioner speed regulation module, the speed regulation module and the automobile air conditioner are provided, the heat generated by the field effect tube is transferred to the heat tube through the heat conduction base, the working medium in the heat tube absorbs heat evaporation and diffuses to one end of the heat tube far away from the heat conduction base and condenses to release the heat, and the heat is dissipated outwards through the heat dissipation fin, so that the quick heat dissipation of a heat effect tube is realized, and compared with the prior art, the heat dissipation device has higher heat exchange efficiency; and because the heat pipes are arranged at intervals, and the gaps of the heat dissipation fins are arranged at intervals, the resistance generated by the airflow blown out by the air blower is smaller, so that the airflow blown to the evaporator is more uniform, large-range eddy current is prevented from appearing around the speed regulation module, and the uniformity of the outlet air temperature of the evaporator is improved.
Drawings
FIG. 1 is a schematic structural diagram of a heat dissipation device of an automotive air conditioning speed regulation module provided by the invention;
FIG. 2 is a schematic cross-sectional view of a governor module provided by the present invention;
FIG. 3 is a schematic view of a partial structure of a vehicle air conditioner according to the present invention;
fig. 4 is a schematic view of a partial structure of an automotive air conditioner according to the present invention.
In the figure:
1. a speed regulation module; 11. a heat sink of the automobile air conditioner speed regulation module; 111. a thermally conductive base; 112. a heat pipe; 113. a heat dissipating fin; 12. a mounting seat; 121. fixing a column; 122. a first fixing hole; 13. a PCB board; 14. a field effect transistor; 15. a power supply plug-in sheet;
2. a volute; 21. a lower volute; 3. a blower; 4. an evaporator.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the present embodiment provides a heat dissipation device 11 of an automotive air conditioning speed regulation module, the heat dissipation device 11 of the automotive air conditioning speed regulation module includes a plurality of heat pipes 112, heat dissipation fins 113 and a heat conduction base 111 capable of abutting against a field effect tube 14, the plurality of heat pipes 112 are disposed on the heat conduction base 111 at intervals, the plurality of heat pipes 112 are disposed on the plurality of heat conduction bases 111 at intervals, the plurality of heat dissipation fins 113 are disposed on one ends of the heat pipes 112 far away from the heat conduction base 111 at intervals along an extending direction of the heat pipes 112, and each heat pipe 112 penetrates through the plurality of heat dissipation fins 113.
It can be understood that, through setting up heat conduction base 111, heat pipe 112 and radiating fin 113, the heat that field effect transistor 14 produced passes through heat conduction base 111 and transmits to heat pipe 112, the working medium in heat pipe 112 absorbs the heat evaporation and spreads and the condensation gives off the heat to the one end that heat pipe 112 kept away from heat conduction base 111, the heat outwards scatters and disappears through radiating fin 113, thereby realize the quick heat dissipation to thermal effect pipe 14, and because heat pipe 112 interval sets up, radiating fin 113 interval sets up, the resistance that the air current that blows out air-blower 3 produced is less, thereby it is more even to make the air current that blows to evaporimeter 4, avoid appearing vortex on a large scale around speed governing module 1, improve evaporimeter 4 air-out temperature homogeneity.
It should be noted that, in the present embodiment, the material of the heat conducting base 111 is copper, but in other embodiments, other materials with good heat conducting effect, such as aluminum, may also be used.
Further, in the present embodiment, the plurality of heat pipes 112 are arranged in a rectangular array. Specifically, in the present embodiment, sixteen heat pipes 112 are disposed, and sixteen heat pipes 112 are disposed on the heat conducting base 111 in four rows, and each row includes four heat pipes 112. Of course, in other embodiments, the number and arrangement of the heat pipes 112 can be set according to actual needs.
The heat pipe 112 includes a heat pipe housing, a liquid absorbing core disposed on an inner wall of the heat pipe housing, and the working medium. The working medium is water, alcohol, liquid ammonia or refrigerant. The end of the heat pipe 112 close to the heat conducting base 111 is an evaporation end, and the end far away from the heat conducting base 111 is a condensation end. The liquid working medium absorbs heat at the evaporation end and evaporates rapidly, the vapor flows to the condensation end under the action of pressure difference, releases heat and condenses into liquid again, the liquid flows back to the evaporation end along the liquid absorption core under the action of capillary force, and the process is repeated, so that the heat generated by the field effect tube 14 is continuously dissipated.
Further, in the present embodiment, in the extending direction of the heat pipe 112, the distance between the two heat dissipation fins 113 located at the outermost side is smaller than the distance between the one heat dissipation fin 113 closest to the heat conductive base 111 and the heat conductive base 111. So set up, not only can make the heat scatter and disappear through radiating fin 113, reduced radiating fin 113 simultaneously and blockked the air current for the air current can thigh and pass through radiating fin 113's top and below. Specifically, in the present embodiment, six heat dissipation fins 113 are provided, and of course, in other embodiments, the number of the heat dissipation fins 113 may be set according to actual needs.
In summary, the heat dissipation device 11 of the speed regulation module of the air conditioner of the vehicle provided by the embodiment has higher heat exchange efficiency compared with the prior art; and because the heat pipes 112 are arranged at intervals, and the gaps of the heat radiating fins 113 are arranged at intervals, the resistance generated by the air flow blown out by the air blower 3 is small, so that the air flow blown to the evaporator 4 is uniform, the large-range vortex around the speed regulating module 1 is avoided, and the uniformity of the air outlet temperature of the evaporator 4 is improved.
As shown in fig. 2, the present embodiment further provides a speed regulation module 1, where the speed regulation module 1 includes the heat dissipation device 11 of the above-mentioned automotive air conditioning speed regulation module. This speed governing module 1 still includes mount pad 12, PCB board 13, field effect transistor 14 and power inserted sheet 15, and PCB board 13 and power inserted sheet 15 all set up in mount pad 12, and PCB board 13 electricity connects in power inserted sheet 15, and field effect transistor 14 sets up on PCB board 13, and heat conduction base 111 connects in mount pad 12, and the butt is in field effect transistor 14. The fet 14 abuts against the heat conductive base 111, so that heat generated by the fet 14 can be transferred to the heat conductive base 111, further transferred to the heat pipe 112, and dissipated outwards through the heat pipe 112 and the heat dissipation fins 113.
Further, a plurality of fixing posts 121 are protruded from the mounting base 12, the plurality of fixing posts 121 are disposed around the fet 14, and the first fastening member penetrates through the heat conductive base 111 and is connected to the corresponding fixing posts 121 to connect the heat conductive base 111 and the mounting base 12. The first fastener is preferably a bolt. So set up, form the space that holds PCB board 13 and field effect transistor 14 between mount pad 12 and the heat conduction base 111 to make the volume that field effect transistor 14 produced also can scatter and disappear in to the space, further improve field effect transistor 14's radiating effect.
As shown in fig. 3 and 4, the embodiment further provides an automobile air conditioner, which includes the speed regulation module 1, the volute 2, the blower 3 disposed in the volute 2, and the evaporator 4 located at the air outlet of the volute 2, wherein the speed regulation module 1 is installed in the volute 2, and the heat dissipation device 11 of the speed regulation module of the automobile air conditioner is located in the volute 2.
It can be understood that the heat dissipation device 11 of the speed regulation module of the vehicle air conditioner is located in the volute 2, and the air flow blown out by the blower 3 can take away the heat of the heat dissipation fin 113, so as to accelerate the outward dissipation speed of the heat generated by the heat dissipation device 11 of the speed regulation module of the vehicle air conditioner on the field effect transistor 14, and further realize the rapid heat dissipation of the field effect transistor 14. Moreover, the heat pipes 112 are arranged at intervals, and the heat radiating fins 113 are arranged at intervals, so that uneven flow and eddy current caused by blocking of airflow can be relieved, and noise can be reduced.
Further, the volute 2 comprises an upper volute and a lower volute 21 which are detachably connected, the speed regulating module 1 is installed on the lower volute 21, and the heat dissipation device 11 of the automobile air conditioner speed regulating module is located in a space enclosed by the upper volute and the lower volute 21. Specifically, a first fixing hole 122 is formed in the mounting base 12, a second fixing hole is formed in a position, corresponding to the first fixing hole 122, of the lower volute casing 21, and a second fastening member penetrates through the first fixing hole 122 and extends into the second fixing hole to connect the mounting base 12 and the volute casing 2.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A heat dissipation device of an automobile air conditioner speed regulation module is characterized by comprising a heat pipe (112), a heat dissipation fin (113) and a heat conduction base (111) which can be abutted against a field effect tube (14), the heat conduction base (111) is made of copper, a plurality of heat pipes (112) are arranged, the heat pipes (112) are arranged on the heat conduction base (111) at intervals, a plurality of radiating fins (113) are arranged, the radiating fins (113) are arranged at intervals at one end of the heat pipe (112) far away from the heat conducting base (111) along the extending direction of the heat pipe (112), and each heat pipe (112) is arranged through a plurality of radiating fins (113), in the extending direction of the heat pipe (112), the distance between two heat radiating fins (113) positioned at the outermost side is smaller than the distance between one heat radiating fin (113) closest to the heat conducting base (111) and the heat conducting base (111).
2. The heat sink device for an automotive air conditioning speed regulation module according to claim 1, wherein the plurality of heat pipes (112) are arranged in a rectangular array.
3. A throttle module, characterized in that it comprises a heat sink of a vehicle air conditioning throttle module as claimed in any one of claims 1 to 2.
4. The throttle module of claim 3, further comprising a mounting base (12), a PCB (13), a FET (14) and a power blade (15), wherein the PCB (13) and the power blade (15) are both disposed on the mounting base (12), and the PCB (13) is electrically connected to the power blade (15), the FET (14) is disposed on the PCB (13), and the heat-conducting base (111) is connected to the mounting base (12) and abuts against the FET (14).
5. The speed regulation module of claim 4, wherein the mounting base (12) is provided with a plurality of fixing posts (121) protruding therefrom, the plurality of fixing posts (121) being disposed around the FET (14), and a first fastener passing through the heat conductive base (111) and being coupled to the corresponding fixing posts (121) to connect the heat conductive base (111) and the mounting base (12).
6. An automotive air conditioner characterized by comprising a throttle module as set forth in any one of claims 3-5.
7. The vehicle air conditioner according to claim 6, further comprising a volute (2), a blower (3) disposed in the volute (2), and an evaporator (4) located at an air outlet of the volute (2), wherein the speed regulating module (1) is mounted to the volute (2), and the heat dissipation device (11) is located in the volute (2).
8. The vehicle air conditioner according to claim 7, wherein the volute (2) comprises an upper volute and a lower volute (21) which are detachably connected, the speed regulating module (1) is mounted on the lower volute (21), and the heat sink (11) is located in a space enclosed by the upper volute and the lower volute (21).
9. The air conditioner of claim 7, wherein the mounting seat (12) of the speed regulation module (1) is provided with a first fixing hole (122), the volute (2) is provided with a second fixing hole corresponding to the first fixing hole (122), and a second fastening member passes through the first fixing hole (122) and extends into the second fixing hole to connect the mounting seat (12) and the volute (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011011636.8A CN112140834B (en) | 2020-09-23 | 2020-09-23 | Heat abstractor, speed governing module and vehicle air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011011636.8A CN112140834B (en) | 2020-09-23 | 2020-09-23 | Heat abstractor, speed governing module and vehicle air conditioner |
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| Publication Number | Publication Date |
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| CN112140834A CN112140834A (en) | 2020-12-29 |
| CN112140834B true CN112140834B (en) | 2022-03-08 |
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| CN202011011636.8A Active CN112140834B (en) | 2020-09-23 | 2020-09-23 | Heat abstractor, speed governing module and vehicle air conditioner |
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| CN110486853A (en) * | 2019-09-20 | 2019-11-22 | 海信家电集团股份有限公司 | an air conditioner |
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| DE10209837A1 (en) * | 2002-03-06 | 2003-09-25 | Bosch Gmbh Robert | air blower |
| TWM277984U (en) * | 2005-06-03 | 2005-10-11 | Cooler Master Co Ltd | Mounting frame of heat pipe cooler |
| US20100154468A1 (en) * | 2008-12-22 | 2010-06-24 | Denso International America, Inc. | Air flow around blower resistor and at evaporator |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200409439Y1 (en) * | 2005-12-07 | 2006-02-22 | 동아전기부품 주식회사 | Heat sink fixing structure of blower motor speed regulator |
| CN102573395A (en) * | 2010-12-24 | 2012-07-11 | 富准精密工业(深圳)有限公司 | Radiating module and manufacturing method thereof |
| CN202121918U (en) * | 2011-07-11 | 2012-01-18 | Tcl空调器(中山)有限公司 | A cooling device for an inverter air conditioner |
| CN107466194A (en) * | 2017-08-31 | 2017-12-12 | 国网湖南省电力公司 | Air-cooled heat-pipe radiator for Large Copacity SVG |
| CN110486853A (en) * | 2019-09-20 | 2019-11-22 | 海信家电集团股份有限公司 | an air conditioner |
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| CN112140834A (en) | 2020-12-29 |
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Effective date of registration: 20250605 Address after: 201111 Shanghai Minhang District Zhuangxing Road 2059 Patentee after: Shanghai Songzhi Haiku New Energy Technology Co.,Ltd. Country or region after: China Address before: 201108 Shanghai Huaning Minhang District Industrial Zone Xhenzhuang Road No. 4999 Patentee before: SONGZ AUTOMOBILE AIR CONDITIONING Co.,Ltd. Country or region before: China |