CN211321853U - Heat radiator for air conditioner controller - Google Patents
Heat radiator for air conditioner controller Download PDFInfo
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- CN211321853U CN211321853U CN201922104723.7U CN201922104723U CN211321853U CN 211321853 U CN211321853 U CN 211321853U CN 201922104723 U CN201922104723 U CN 201922104723U CN 211321853 U CN211321853 U CN 211321853U
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Abstract
The utility model relates to a heat abstractor for air conditioner controller, including cold air duct, black box subassembly and radiator unit, radiator unit includes conducting strip, heat transfer boss and fin, and the heat that the chip of PCBA board produced is transmitted to the fin through conducting strip and heat transfer boss; the heat radiating fins sequentially penetrate through the mounting holes and the heat radiating holes and are accommodated in the cold air pipeline, so that heat on the heat radiating fins is taken away by cold air in the cold air pipeline, a chip of the PCBA board is cooled, and a better heat radiating effect is achieved; the rear cover and the front cover are arranged to play a dustproof and protective role in the heat dissipation assembly, so that the structure of the heat dissipation device for the air conditioner controller is simpler, the assembly operation is simpler and more convenient, the production efficiency can be effectively improved, and the production cost can be effectively reduced.
Description
Technical Field
The utility model relates to an automobile air conditioner technical field, in particular to heat abstractor for air conditioner controller.
Background
At present, in an air conditioner controller black box with a blower speed regulation module of an automobile, a chip needs to control large current of a blower, the power consumption of the chip is high, the heat productivity is large, and the temperature is increased, so that a heat dissipation device needs to be designed to ensure that the temperature of the chip is within a normal working range. The black box of the air conditioner controller is usually assembled on an air conditioning system box, and the current heat dissipation scheme is that a heat dissipation sheet is designed on the black box, a heat dissipation fan is designed on the heat dissipation sheet, and the heat dissipation purpose is achieved by dissipating heat of the heat dissipation sheet through the heat dissipation fan.
Because the air conditioning system box is usually designed in the center console of the whole vehicle, the surrounding is not isolated from the external environment and has certain circulation with the external air. When the vehicle is often used in a region with more dust, more dust is attached to the system box, the radiating fan is installed in the environment, a large amount of dust can be accumulated along with the increase of the service time, the radiating performance is seriously influenced, and the functional failure is very easily caused due to the inconvenient maintenance of the radiating fan.
SUMMERY OF THE UTILITY MODEL
Therefore, there is a need for a heat dissipation device for an air conditioner controller, which has a simple structure, is easy and convenient to assemble and operate, can effectively improve the production efficiency, and can effectively reduce the production cost.
A heat sink for an air conditioner controller comprises
A cold air pipeline, wherein the cold air pipeline is provided with a heat dissipation port,
the black box assembly comprises a rear cover, a PCBA board and a front cover, the rear cover is arranged on the cold air pipeline, a mounting opening is formed in the rear cover and aligned with the heat dissipation opening, the PCBA board is arranged on the rear cover and located above the mounting opening, the front cover is arranged on the rear cover, and the PCBA board is located below the front cover; and
the heat dissipation assembly comprises a heat conducting fin, a heat transfer boss and a heat dissipation fin, wherein the heat conducting fin is arranged on the heat transfer boss and is supported against the bottom surface of the PCBA, the heat conducting fin is aligned with a chip of the PCBA, the heat transfer boss is arranged on the heat dissipation fin, the heat dissipation fin sequentially penetrates through the mounting port and the heat dissipation port, and the heat dissipation fin is further accommodated in the cold air pipeline.
In one embodiment, the heat conducting sheet is a heat conducting silica gel pad or a heat conducting grease sheet.
In one embodiment, the heat transfer bosses are aluminum alloy bosses;
the aluminum alloy sheet body of fin.
In one embodiment, the heat transfer bosses and the heat sink are of an integrally formed structure.
In one embodiment, the heat dissipation assembly further includes a sealing rubber ring, an outer side wall of the sealing rubber ring is respectively supported against the edge of the mounting opening and the edge of the heat dissipation opening, and an inner side wall of the sealing rubber ring is also supported against the heat dissipation plate.
In one embodiment, the heat sink includes a plate body and a plurality of plate bodies, each of the plate bodies is disposed on the plate body at an equal interval, and the heat transfer boss is disposed on a side surface of the plate body away from the plate body.
In one embodiment, a heat dissipation channel is arranged between every two adjacent sheet bodies, and the direction of the heat dissipation channel is the same as the ventilation direction of the cold air duct.
In one embodiment, the black box assembly further comprises a screw, a first through hole is formed in the edge of the front cover, a second through hole is formed in the edge of the rear cover, an internal thread is arranged on the cold air duct, the screw penetrates through the first through hole and the second through hole in sequence, and the end portion of the screw is in threaded connection with the internal thread.
Compared with the prior art, the utility model discloses following beneficial technological effect has:
the heat dissipation component is arranged in the heat dissipation device for the air conditioner controller, the heat dissipation component comprises a heat conduction sheet, a heat transfer boss and a heat dissipation sheet, and heat generated by a chip of the PCBA board is transferred to the heat dissipation sheet through the heat conduction sheet and the heat transfer boss; the heat radiating fins sequentially penetrate through the mounting holes and the heat radiating holes and are accommodated in the cold air pipeline, so that heat on the heat radiating fins is taken away by cold air in the cold air pipeline, a chip of the PCBA board is cooled, and a better heat radiating effect is achieved; through setting up the back lid reaches the protecgulum is right radiator unit plays dustproof and protective effect, makes radiator for air conditioner controller's structure is simpler, and the equipment operation is more simple and convenient, can effectively improve production efficiency, can effectively reduction in production cost.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation device for an air conditioner controller according to an embodiment of the present invention.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to better understand the advantages and features of the present invention, and to define the scope of the present invention more clearly.
Please refer to fig. 1, which is a schematic structural diagram of a heat dissipation device 10 for an air conditioner controller according to an embodiment of the present invention. The heat dissipation device 10 for the air conditioner controller comprises a cold air pipeline 100, a black box assembly 200 and a heat dissipation assembly 300, wherein the black box assembly 200 is arranged on the cold air pipeline 100, the heat dissipation assembly 300 is arranged in the black box assembly 200 and the cold air pipeline 100, the cold air pipeline 100 is the cold air pipeline 100 of an air conditioning system box, the heat dissipation assembly 300 utilizes cold air in the cold air pipeline 100 to take away heat on the heat dissipation assembly 300, and then the heat dissipation function of the black box assembly 200 is achieved.
Referring to fig. 1, a heat dissipation opening 110 is formed in the cold air duct 100, and cold air in the cold air duct 100 is blown out through the heat dissipation opening 110.
Referring to fig. 1, the black box subassembly 200 includes a rear cover 210, a PCBA board 220 and a front cover 230, the rear cover 210 is disposed on the cold air duct 100, the rear cover 210 is provided with a mounting opening 211, the mounting opening 211 is aligned with the heat dissipating opening 110, the PCBA board 220 is disposed on the rear cover 210, the PCBA board 220 is located above the mounting opening 211, the front cover 230 is disposed on the rear cover 210, the PCBA board 220 is located below the front cover 230, the PCBA board 220 serves as a main structure of the black box 200 and is also a main component for heat generation, wherein a chip on the PCBA board 220 controls a large current of the blower, and the chip has high power consumption, large heat generation amount and high temperature. It should be noted that PCBA is an abbreviation of Printed Circuit Board + Assembly, that is, a PCB blank Board is subjected to SMT loading or the whole process of DIP plug-in, and is abbreviated as PCBA Board 220, which is a writing method commonly used in China, and the standard writing method in europe and the united states is PCB 'a with a "', which is called as an official custom.
In an embodiment, referring to fig. 1, the black box assembly 200 further includes a screw 240, a first through hole 231 is formed on an edge of the front cover 230, a second through hole 212 is formed on an edge of the rear cover 210, an internal thread is formed on the cold air duct 100, the screw 240 sequentially penetrates through the first through hole 231 and the second through hole 212, and an end of the screw 240 is screwed with the internal thread.
Referring to fig. 1, the heat dissipation assembly 300 includes a heat conductive sheet 310, a heat transfer boss 320 and a heat sink 330, the heat conductive sheet 310 is disposed on the heat transfer boss 320, the heat conductive sheet 310 is supported against the bottom surface of the PCBA board 220, the heat conductive sheet 310 is aligned with the chip 2201 of the PCBA board 220, and the heat transfer boss 320 is disposed on the heat sink 330, that is, heat generated by the chip 2201 of the PCBA board 220 is transferred to the heat sink 330 through the heat conductive sheet 310 and the heat transfer boss 320; the heat dissipation fins 330 sequentially penetrate through the mounting holes 211 and the heat dissipation holes 110, and the heat dissipation fins 330 are further accommodated in the cold air duct 100, so that heat on the heat dissipation fins 330 is taken away by cold air in the cold air duct 100, and a function of cooling the chips of the PCBA board 220 is achieved.
The heat dissipation component is arranged in the heat dissipation device for the air conditioner controller, the heat dissipation component comprises a heat conduction sheet, a heat transfer boss and a heat dissipation sheet, and heat generated by the chip of the PCBA board is transferred to the heat dissipation sheet through the heat conduction sheet and the heat transfer boss; the heat radiating fins sequentially penetrate through the mounting holes and the heat radiating holes and are accommodated in the cold air pipeline, so that heat on the heat radiating fins is taken away by cold air in the cold air pipeline, a chip of the PCBA board is cooled, and a better heat radiating effect is achieved; through setting up the back lid reaches the protecgulum is right radiator unit plays dustproof and protective effect, so, makes radiator for air conditioner controller's structure is simpler, and the equipment operation is more simple and convenient, can effectively improve production efficiency, can effectively reduction in production cost.
In one embodiment, the heat conducting sheet is a heat conducting silica gel pad or a heat conducting oil fat sheet, and for example, the thickness of the heat conducting sheet is 1.0mm-1.5 mm; for another example, the heat transfer boss is an aluminum alloy boss, and the aluminum alloy sheet body of the heat radiating fin is an aluminum alloy sheet body; for another example, the heat transfer boss and the heat sink are integrally formed, so that the structural strength of the heat transfer boss and the heat sink is better.
In an embodiment, referring to fig. 1, the heat dissipation assembly 300 further includes a sealing rubber ring 340, an outer side wall of the sealing rubber ring 340 is respectively supported against an edge of the mounting opening 211 and an edge of the heat dissipation opening 110, an inner side wall of the sealing rubber ring 340 is also supported against the heat dissipation fin 330, and the sealing rubber ring 340 can reduce a reduction of cold air in the cold air duct 100, so that the cold air in the cold air duct 100 can fully contact with the heat dissipation fin 330, and a better heat dissipation effect is achieved.
In one embodiment, referring to fig. 1, the heat sink 330 includes a plate body (not shown) and a plurality of sheet bodies 331, each of the sheet bodies 331 is disposed on the plate body at an equal interval, and the heat transfer bosses 320 are disposed on a side of the plate body away from the sheet bodies; for another example, the heat transfer boss, the plate body and each sheet body are of an integrally formed structure, so that the structural strength of the heat transfer boss, the plate body and each sheet body is more stable, and heat transfer is more facilitated; for another example, every two adjacent be provided with heat dissipation channel 3301 between the lamellar body 331, heat dissipation channel 3301's direction with cold air duct's ventilation direction is the same, like this, can make cold wind in the cold air duct fully with each the surface of lamellar body fully contacts, and then takes away more heats, and radiating effect is better.
Compared with the prior art, the utility model discloses following beneficial technological effect has:
in the heat dissipation device 10 for an air conditioner controller, the heat dissipation component 300 is provided, the heat dissipation component 300 includes the heat conduction sheet 310, the heat transfer boss 320 and the heat dissipation sheet 330, and heat generated by the chip of the PCBA board 220 is transferred to the heat dissipation sheet 330 through the heat conduction sheet 310 and the heat transfer boss 320; the heat radiating fins 330 sequentially penetrate through the mounting holes 211 and the heat radiating holes 110 and are accommodated in the cold air duct, so that heat on the heat radiating fins 330 is taken away by cold air in the cold air duct 100, a function of cooling the chips of the PCBA board 220 is achieved, and a better heat radiating effect is achieved; through setting up back lid 210 and protecgulum 230 is right radiator unit 300 plays dustproof and protection's effect, like this, makes air conditioner is heat abstractor's for the controller structure is simpler, and the equipment operation is more simple and convenient, can effectively improve production efficiency, can effectively reduction in production cost.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A heat sink for an air conditioner controller, comprising:
a cold air duct (100), wherein a heat dissipation port (110) is arranged on the cold air duct (100),
the black box subassembly (200), the black box subassembly (200) includes a rear cover (210), a PCBA board (220) and a front cover (230), the rear cover (210) is arranged on the cold air duct (100), a mounting opening (211) is arranged on the rear cover (210), the mounting opening (211) is aligned with the heat dissipation opening (110), the PCBA board (220) is arranged on the rear cover (210), the PCBA board (220) is positioned above the mounting opening (211), the front cover (230) is arranged on the rear cover (210), and the PCBA board (220) is positioned below the front cover (230); and
the heat dissipation assembly (300) comprises a heat conducting fin (310), a heat transfer boss (320) and a heat dissipation fin (330), wherein the heat conducting fin (310) is arranged on the heat transfer boss (320), the heat conducting fin (310) is propped against the bottom surface of the PCBA board (220), the heat conducting fin (310) is aligned with a chip (2201) of the PCBA board (220), the heat transfer boss (320) is arranged on the heat dissipation fin (330), the heat dissipation fin (330) sequentially penetrates through the mounting port (211) and the heat dissipation port (110), and the heat dissipation fin (330) is further accommodated in the cold air duct (100).
2. The heat sink for an air conditioner controller according to claim 1, wherein the heat-conducting sheet (310) is a heat-conducting silicone pad or a heat-conducting grease sheet.
3. The heat sink for an air conditioner controller according to claim 1, wherein the heat transfer bosses (320) are aluminum alloy bosses;
the aluminum alloy sheet body of the heat sink (330).
4. The heat sink for an air conditioner controller according to claim 1 or 3, wherein the heat transfer boss (320) and the heat sink (330) are of an integrally formed structure.
5. The heat sink for an air conditioner controller according to claim 4, wherein the heat sink assembly (300) further comprises a sealing rubber ring (340), an outer side wall of the sealing rubber ring (340) abuts against an edge of the mounting opening (211) and an edge of the heat dissipating opening (110), respectively, and an inner side wall of the sealing rubber ring (340) abuts against the heat dissipating fin (330).
6. The heat dissipating device for an air conditioning controller according to claim 1, wherein the heat dissipating fin (330) comprises a plate body and a plurality of plate bodies (331), each of the plate bodies (331) is disposed on the plate body at an equal interval, and the heat transfer bosses (320) are disposed on a side of the plate body away from the plate bodies (331).
7. The heat sink for an air conditioner controller according to claim 6, wherein a heat dissipating channel (3301) is provided between each two adjacent fins (331), and a direction of the heat dissipating channel (3301) is the same as a ventilation direction of the cool air duct (100).
8. The heat dissipating device for an air conditioning controller according to claim 1, wherein the black box assembly (200) further comprises a screw (240), a first through hole (231) is formed in an edge of the front cover (230), a second through hole (212) is formed in an edge of the rear cover (210), an internal thread is formed in the cold air duct (100), the screw (240) sequentially penetrates through the first through hole (231) and the second through hole (212), and an end of the screw (240) is screwed with the internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922104723.7U CN211321853U (en) | 2019-11-29 | 2019-11-29 | Heat radiator for air conditioner controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922104723.7U CN211321853U (en) | 2019-11-29 | 2019-11-29 | Heat radiator for air conditioner controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211321853U true CN211321853U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922104723.7U Active CN211321853U (en) | 2019-11-29 | 2019-11-29 | Heat radiator for air conditioner controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211321853U (en) |
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2019
- 2019-11-29 CN CN201922104723.7U patent/CN211321853U/en active Active
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