CN214676348U - Heat dissipation assembly of power converter for new energy automobile - Google Patents
Heat dissipation assembly of power converter for new energy automobile Download PDFInfo
- Publication number
- CN214676348U CN214676348U CN202121045617.7U CN202121045617U CN214676348U CN 214676348 U CN214676348 U CN 214676348U CN 202121045617 U CN202121045617 U CN 202121045617U CN 214676348 U CN214676348 U CN 214676348U
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- Prior art keywords
- heat dissipation
- power converter
- shell
- assembly
- new energy
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 111
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a new energy automobile is with power converter's radiating component aims at providing a new energy automobile that heat dispersion is good with power converter's radiating component. The power converter assembly comprises a shell and a power converter assembly connected in the shell, wherein the two outer side surfaces of the shell are provided with a heat dissipation plate assembly, the bottom surface of the shell is provided with a heat dissipation assembly, the end surface of the shell is provided with a connecting plug, and the connecting plug is connected with the power converter assembly. The utility model has the advantages that: the radiating plate assembly arranged on the outer side surface of the shell and the radiating assembly arranged on the bottom surface of the shell can respectively radiate the side surface and the bottom surface of the shell, so that the radiating efficiency is improved; the heat dissipation assembly is provided with a heat dissipation fan, and the heat dissipation fan is driven to rotate through the airflow change in the driving process of the automobile, so that the heat dissipation efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the relevant technique of power converter and specifically relates to indicate a power converter's radiator unit for new energy automobile.
Background
The power converter for the new energy vehicle is a vehicle-mounted DC-DC converter. The vehicle-mounted DC-DC converter is particularly a high-voltage to low-voltage converter widely used in the field of new energy vehicles, converts a power battery nominal output (generally about 300V) direct-current voltage configured in an electric vehicle into a variable direct-current voltage, and is widely applied to a secondary power module of a motor direct-drive or auxiliary-drive vehicle (including an electric vehicle EV or a hybrid electric vehicle HEV). Generally, the existing vehicle-mounted DC-DC converter includes a heat dissipation device, which mostly dissipates heat in a single surface, and has poor heat dissipation effect and insufficient heat dissipation area, which often fails to meet the heat dissipation requirement of the converter.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome among the prior art not enough that heat dispersion is poor, provide a new energy automobile that heat dispersion is good with power converter's radiator unit.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a heat dissipation assembly of power converter for new energy automobile, includes the power converter subassembly of shell and shell internal connection, two lateral surfaces of shell are provided with heat dissipation panel components, the shell bottom surface is provided with heat dissipation assembly, the shell terminal surface is provided with connecting plug, connecting plug is connected with power conversion subassembly.
The power converter assembly is arranged in the shell, the bottom surface of the power converter assembly is in contact with a foam board arranged at the bottom of the shell, and the foam board provides a buffering effect. The heat dissipation plate assembly arranged on the outer side face of the shell and the heat dissipation assembly arranged on the bottom face of the shell can respectively dissipate heat of the side face and the bottom face of the shell, so that the heat dissipation efficiency is improved, and the normal work of the power converter is ensured.
Preferably, the housing comprises a housing body and a housing cover, the housing body is a rectangular box body with an opening at the upper end, and the housing cover is connected with the opening end of the housing body. The shell is the design of uncapping, and the cap passes through bolted connection with the casing, guarantees to connect the fastening.
Preferably, the bottom surface of the shell cover is provided with a yielding groove, the side wall of the yielding groove is connected with a sealing strip, and the bottom surface of the sealing strip is in contact with the end face of the opening of the shell. The sealing strip sets up on the cap, guarantees the leakproofness when cap and casing are connected, prevents that the dust from getting into the shell in, influencing power converter subassembly normal work.
Preferably, the radiating plate assembly comprises a plurality of radiating plates perpendicular to the shell, the radiating plates are connected with radiating connecting plates in a penetrating mode, and radiating glue is arranged between the radiating connecting plates and the shell. The heat dissipation plate and the heat dissipation connecting plate are connected to form a grid shape, so that the heat dissipation area is increased, and the heat dissipation efficiency is improved; heat dissipation glue is filled between the heat dissipation connecting plate and the shell, so that the heat conduction efficiency is increased, and the heat dissipation efficiency is improved.
Preferably, the heat dissipation plate is provided with a first heat dissipation hole, the first heat dissipation hole penetrates through the upper end face and the lower end face of the heat dissipation plate, the heat dissipation connecting plate is provided with a second heat dissipation hole, and the second heat dissipation hole penetrates through two ends of the heat dissipation connecting plate. The first heat dissipation hole and the second heat dissipation hole can increase air flow, and heat dissipation efficiency of the heat dissipation plate and the heat dissipation connecting plate is improved.
Preferably, the heat dissipation assembly comprises a plurality of heat dissipation fins vertically connected with the bottom surface of the shell, the heat dissipation fins are evenly arranged, the heat dissipation fins are provided with yielding holes, the bottom surface of the shell is provided with a heat dissipation fan, and the heat dissipation fan is arranged in the yielding holes. The radiating fins have a radiating effect on the bottom surface of the shell; the outline of the abdicating hole is larger than the outline of the cooling fan, so that the installation and the normal rotation of the cooling fan are ensured; the heat radiation fan can rotate by the air flow when the automobile runs, and the heat radiation is carried out on the bottom surface of the shell.
Preferably, the cooling fan comprises a fan blade wheel and a connecting seat, the connecting seat is connected with the bottom surface of the shell, the connecting seat is provided with a mounting hole, the mounting hole is a stepped hole, the end part of the fan blade wheel is connected with a connecting rod, the end part of the connecting rod is provided with a convex block, the connecting rod is sleeved with the mounting hole, and the convex block is in contact with the inner wall of the mounting hole. The mounting hole is the shoulder hole, and the aperture that is close to the casing bottom surface is greater than the aperture of keeping away from the casing bottom surface, and the connecting rod cup joints with the mounting hole, and lug and mounting hole joint prevent that fan wheel from droing, guarantee radiator fan's function normal.
The utility model has the advantages that: the radiating plate assembly arranged on the outer side surface of the shell and the radiating assembly arranged on the bottom surface of the shell can respectively radiate the side surface and the bottom surface of the shell, so that the radiating efficiency is improved; the heat dissipation assembly is provided with a heat dissipation fan, and the heat dissipation fan is driven to rotate through the airflow change in the driving process of the automobile, so that the heat dissipation efficiency is improved.
Drawings
Fig. 1 is a first perspective view of the present invention;
fig. 2 is a second perspective view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is an enlarged view of a in fig. 3.
In the drawings, there is shown in the drawings,
1. the heat dissipation device comprises a shell, a power conversion assembly, a heat dissipation plate assembly 3, a heat dissipation assembly 4, a connection plug 5, a shell 10, a shell cover 11, a heat dissipation plate 30, a heat dissipation connecting plate 31, heat dissipation glue 32, a heat dissipation plate 40, a heat dissipation plate 41, a relief hole 42, a heat dissipation fan 110, a relief groove 111, a sealing strip 111, a heat dissipation hole 300, a heat dissipation hole 310, a heat dissipation hole two, a fan impeller 420, a connecting seat 421, a mounting hole 422, a connecting rod 423, a connecting rod 424 and a bump.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 2 and 3, the housing 1 includes a case 10 and a case cover 11. The case 10 is shaped as a rectangular box with an open upper end. The cover 11 is connected to the open end of the housing 10. The bottom surface of the housing cover 11 is provided with a yielding groove 110. The side wall of the abdicating groove 110 is connected with a sealing strip 111. The bottom surface of the weather strip 111 is in contact with the open end surface of the housing 10.
As shown in fig. 2, the heat sink assembly 3 includes a plurality of heat sinks 30 disposed perpendicular to the case 10. The heat dissipating plate 30 is connected with a heat dissipating connecting plate 31. A heat dissipation glue 32 is disposed between the heat dissipation connecting plate 31 and the housing 10. The heat sink 30 is provided with a first heat dissipation hole 300. The first heat dissipation hole 300 penetrates the upper and lower end surfaces of the heat dissipation plate 30. The heat radiation connecting plate 31 is provided with a second heat radiation hole 310. The second heat dissipation hole 310 penetrates through two ends of the heat dissipation connection plate 31.
As shown in fig. 3 and 4, the heat sink assembly 4 includes a plurality of heat sinks 40 vertically connected to the bottom surface of the housing 10, and the plurality of heat sinks 40 are uniformly arranged. The heat sink 40 is provided with a relief hole 41. The bottom surface of the case 10 is provided with a heat radiating fan 42. The heat dissipation fan 42 is disposed in the relief hole 41. The heat dissipation fan 42 includes a fan wheel 420 and a connection seat 421. The connection holder 421 is connected to the bottom surface of the housing 10. The connection holder 421 is provided with a mounting hole 422. The mounting hole 422 is a stepped hole. The fan wheel 420 is connected at its end with a connecting rod 423. The link 423 is provided at an end thereof with a projection 423. The connecting rod 423 is sleeved with the mounting hole 422. The projection 423 is in contact with an inner wall of the mounting hole 422.
The utility model discloses a theory of operation: as shown in fig. 1 to 4, the power conversion module 2 is disposed in the casing 1 and is bolted. The heat dissipation plate 30 and the heat dissipation plate connecting plate 31 in the heat dissipation plate assembly 3 are arranged outside the shell 1 to form a grid shape, so that the heat dissipation efficiency is improved. The first heat dissipation hole 300 and the second heat dissipation hole 310 are respectively formed on the heat dissipation plate 30 and the heat dissipation plate connection plate 31, so that air circulation is enhanced, and heat dissipation efficiency is improved. The heat dissipation assembly 4 arranged on the bottom surface of the shell 1 is provided with a heat dissipation fan 42, and in the driving process of the automobile, the heat dissipation fan 42 drives the fan to rotate through air flow, so that the air circulation of the bottom surface of the shell 10 is enhanced, and the heat dissipation efficiency is improved.
Claims (7)
1. The utility model provides a radiating component of power converter for new energy automobile, characterized by, power converter subassembly (2) including shell (1) and shell (1) internal connection, two lateral surfaces of shell (1) are provided with radiating panel subassembly (3), shell (1) bottom surface is provided with radiating component (4), shell (1) terminal surface is provided with connecting plug (5), connecting plug (5) are connected with power converter subassembly (2).
2. The heat dissipation assembly of the power converter for the new energy automobile as recited in claim 1, wherein the housing (1) comprises a casing (10) and a cover (11), the casing (10) is in the shape of a rectangular box with an open upper end, and the cover (11) is connected with the open end of the casing (10).
3. The heat dissipation assembly of the power converter for the new energy automobile as claimed in claim 2, wherein a yielding groove (110) is formed in a bottom surface of the housing cover (11), a sealing strip (111) is connected to a side wall of the yielding groove (110), and a bottom surface of the sealing strip (111) is in contact with an opening end surface of the housing (10).
4. The heat dissipation assembly of the power converter for the new energy automobile as recited in claim 2, wherein the heat dissipation plate assembly (3) comprises a plurality of heat dissipation plates (30) arranged perpendicular to the housing (10), the heat dissipation plates (30) are connected with heat dissipation connection plates (31) in a penetrating manner, and heat dissipation glue (32) is arranged between the heat dissipation connection plates (31) and the housing (10).
5. The heat dissipation assembly of the power converter for the new energy automobile as claimed in claim 4, wherein the heat dissipation plate (30) is provided with a first heat dissipation hole (300), the first heat dissipation hole (300) penetrates through the upper end surface and the lower end surface of the heat dissipation plate (30), the heat dissipation connection plate (31) is provided with a second heat dissipation hole (310), and the second heat dissipation hole (310) penetrates through two ends of the heat dissipation connection plate (31).
6. The heat dissipation assembly of the power converter for the new energy automobile as claimed in claim 2, wherein the heat dissipation assembly (4) comprises a plurality of heat dissipation fins (40) vertically connected with the bottom surface of the casing (10), the plurality of heat dissipation fins (40) are uniformly arranged, the heat dissipation fins (40) are provided with the abdicating holes (41), the bottom surface of the casing (10) is provided with the heat dissipation fan (42), and the heat dissipation fan (42) is arranged in the abdicating holes (41).
7. The heat dissipation assembly of the power converter for the new energy automobile as recited in claim 6, wherein the heat dissipation fan (42) includes a fan wheel (420) and a connection seat (421), the connection seat (421) is connected to the bottom surface of the housing (10), the connection seat (421) is provided with a mounting hole (422), the mounting hole (422) is a stepped hole, a connection rod (423) is connected to an end of the fan wheel (420), a protrusion (423) is provided at an end of the connection rod (423), the connection rod (423) is sleeved with the mounting hole (422), and the protrusion (423) is in contact with an inner wall of the mounting hole (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121045617.7U CN214676348U (en) | 2021-05-17 | 2021-05-17 | Heat dissipation assembly of power converter for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121045617.7U CN214676348U (en) | 2021-05-17 | 2021-05-17 | Heat dissipation assembly of power converter for new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214676348U true CN214676348U (en) | 2021-11-09 |
Family
ID=78485256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121045617.7U Active CN214676348U (en) | 2021-05-17 | 2021-05-17 | Heat dissipation assembly of power converter for new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214676348U (en) |
-
2021
- 2021-05-17 CN CN202121045617.7U patent/CN214676348U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231121 Address after: Room 202-203, No. 2, Lane 1130, Tongpu Road, Putuo District, Shanghai 200333 Patentee after: Hanbo automation technology (Shanghai) Co.,Ltd. Address before: 313100 2 / F, building 4, National University Science Park, no.669 high speed railway, Changxing Development Zone, Huzhou City, Zhejiang Province Patentee before: Zhejiang Junyi Technology Co.,Ltd. |