CN215073558U - PDU heat dissipation casing - Google Patents
PDU heat dissipation casing Download PDFInfo
- Publication number
- CN215073558U CN215073558U CN202120447531.0U CN202120447531U CN215073558U CN 215073558 U CN215073558 U CN 215073558U CN 202120447531 U CN202120447531 U CN 202120447531U CN 215073558 U CN215073558 U CN 215073558U
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- China
- Prior art keywords
- heat dissipation
- pdu
- water
- casing
- fixed
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- Expired - Fee Related
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 57
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 238000010030 laminating Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model discloses a PDU heat dissipation casing, including casing, fixed subassembly and initiative radiator unit, the PDU unit passes through fixed subassembly fixed the setting in the casing upper end, fixed subassembly includes upper fixed plate, bottom plate and first fixing bolt, the PDU unit sets up between upper fixed plate and bottom plate, upper fixed plate and bottom plate are connected through first fixing bolt all around, the fixed laminating in bottom plate bottom and casing upper end, the casing bottom is provided with several radiating fin in bottom plate relevant position department, initiative radiator unit and casing lower extreme fixed connection. The utility model has the advantages of set up radiating fin through casing bottom heat dissipation notch, when realizing passive radiating, at bottom installation initiative radiator unit, realize the heat dissipation adjustment through water-cooling or forced air cooling heat radiation structure, the heat dissipation condition that uses different power modules is different, can be according to the configuration customization of difference, satisfies different requirements.
Description
Technical Field
The utility model relates to a power distribution unit heat dissipation technical field, in particular to PDU heat dissipation casing.
Background
A high-voltage power distribution unit PDU in the new energy vehicle high-voltage system solution electrically connects high-voltage components through a busbar and a wire harness, provides functions of charge and discharge control, high-voltage component power-on control, circuit overload short circuit protection, high-voltage sampling, low-voltage control and the like for a new energy vehicle high-voltage system, and protects and monitors the operation of the high-voltage system; in a new energy vehicle, a high-voltage power distribution unit is an independent component, is connected with a battery pack, a motor, an air conditioner and other components through high-voltage and low-voltage wiring harnesses, and is generally installed in an engine room.
The existing PDU unit has poor heat dissipation performance, a large amount of heat is easily generated under a high-strength operating condition, and the operation of the PDU unit is easily influenced when the heat is not discharged in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a PDU heat dissipation casing.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a PDU radiating shell, its characterized in that, includes casing, fixed subassembly and initiative radiator unit, the PDU unit passes through fixed subassembly fixed the setting in the casing upper end, fixed subassembly includes an upper fixed plate, bottom plate and a fixing bolt, the PDU unit sets up between an upper fixed plate and a bottom plate, an upper fixed plate and a bottom plate are connected through a fixing bolt all around, the fixed laminating in bottom plate bottom and casing upper end, the casing bottom is provided with several radiating fin in bottom plate relevant position department, initiative radiator unit and casing lower extreme fixed connection.
Preferably, the thickness of the joint of the shell and the active heat dissipation assembly is greater than that of the rest of the shells.
Preferably, the bottom of the shell is provided with heat dissipation notches at the positions of the heat dissipation fins, and the heights of the heat dissipation fins are lower than the inner depths of the heat dissipation notches.
Preferably, the active heat dissipation assembly is an air-cooled radiator, and the periphery of the air-cooled radiator is fixed to two sides of the bottom of the shell through second fixing bolts.
Preferably, initiative radiator unit is water-cooling radiator unit, water-cooling radiator unit includes the water-cooling cover, the water-cooling cover is whole to be the U type, the water-cooling cover both ends are fixed through third fixing bolt and casing bottom both sides, the water-cooling cover inboard is provided with several water-cooling cover fin, water-cooling cover fin and radiating fin interval set up.
Preferably, a water inlet and a water outlet are formed in two sides of the water cooling cover, and S-shaped water cooling flow channels are formed between the water cooling cover fins and the radiating fins.
Preferably, a sealing strip is arranged at the joint of the water cooling cover and the shell.
Preferably, a cushion block is arranged at one side of the PDU unit at the upper end of the shell.
To sum up, the utility model discloses following beneficial effect has: the heat dissipation device has the advantages that the heat dissipation fins are arranged on the heat dissipation notches at the bottom of the shell, passive heat dissipation is achieved, meanwhile, the active heat dissipation assembly is installed at the bottom, heat dissipation adjustment is achieved through the water cooling or air cooling heat dissipation structure, heat dissipation conditions of different power modules are different, customization can be achieved according to different configurations, and different requirements are met.
Drawings
Fig. 1 is a schematic view of the overall structure of the active heat dissipation assembly of the present invention, which adopts an air-cooled heat sink;
fig. 2 is a schematic view of the overall structure of the active heat dissipation assembly of the present invention using the water-cooled heat sink.
Detailed Description
The following description will be further described with reference to the accompanying drawings, which are not intended to limit the present invention.
A PDU radiating shell as shown in fig. 1 and 2, including casing 1, fixed subassembly 2 and initiative radiator unit, PDU unit 3 sets up in 1 upper end of casing through fixed subassembly 2 is fixed, fixed subassembly 2 includes upper fixed plate 21, bottom plate 22 and first fixing bolt 23, PDU unit sets up between upper fixed plate 21 and bottom plate 22, upper fixed plate 21 and bottom plate 22 are connected through first fixing bolt 23 all around, the fixed laminating in bottom plate 22 bottom and 1 upper end of casing, casing 1 bottom is provided with several radiating fin 4 in bottom plate 22 relevant position department, initiative radiator unit and 1 lower extreme fixed connection of casing.
The thickness of the joint of the shell 1 and the active heat dissipation assembly is larger than that of the other shells 1, and a cushion block 8 is arranged at one side of the PDU unit 3 at the upper end of the shell 1.
The bottom of the shell 1 is provided with a heat dissipation notch 5 at the position of a heat dissipation fin 4, the height of the heat dissipation fin 4 is lower than the depth inside the heat dissipation notch 5, the heat generated at the bottom of the PDU unit 3 can be transferred through the heat dissipation fin 4 in the heat dissipation notch 5, and the heat dissipation is faster due to the larger contact area.
The utility model discloses set up different initiative radiator unit in 1 bottom of casing, including air-cooled radiator 6 and water-cooling radiator unit 7, can install different initiative radiator unit according to the module power of difference, it is convenient to connect.
Initiative radiator unit is air-cooled radiator 6 in fig. 1, adopts the radiating mode of forced air cooling when PDU unit module power is low relatively, air-cooled radiator 6 is fixed through second fixing bolt 61 and 1 bottom both sides of casing all around, has guaranteed the excellence of radiating effect when connecting conveniently, and air-cooled radiator 6 can discharge the heat that radiating fin 4 carried is quick.
In fig. 2, the active heat dissipation assembly is a water-cooling heat dissipation assembly 7, and when the power of the PDU unit module is relatively high, the water-cooling heat dissipation assembly 7 includes a water cooling cover 71, the water cooling cover 71 is integrally U-shaped, two ends of the water cooling cover 71 are fixed to two sides of the bottom of the casing 1 through a third fixing bolt 72, a plurality of water cooling cover fins 73 are arranged on the inner side of the water cooling cover 71, the water cooling cover fins 73 and the heat dissipation fins 4 are arranged at intervals, two sides of the water cooling cover are provided with a water inlet 74 and a water outlet 75, an S-shaped water cooling channel 76 is arranged between the water cooling cover fins 73 and the heat dissipation fins 4, a sealing strip 77 is arranged at the joint of the water cooling cover 71 and the casing 1, and when the water-cooling heat dissipation assembly 7 and the casing 1 are in sealed connection, the water-cooling liquid transfers the internal heat through the S-shaped water cooling channel 76, and discharges the water cooling cover to perform heat exchange, the water-cooled heat exchange efficiency is higher, and the heat dissipation effect on the high-power heating unit is better.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications or equivalent substitutions within the spirit and scope of the present invention, and such modifications or equivalent substitutions should also be considered as falling within the scope of the present invention.
Claims (8)
1. The utility model provides a PDU radiating shell, PDU unit install on PDU radiating shell, its characterized in that, including casing, fixed subassembly and initiative radiator unit, PDU unit sets up in the casing upper end through fixed subassembly is fixed, fixed subassembly includes an upper fixed plate, bottom plate and a fixing bolt, PDU unit sets up between an upper fixed plate and bottom plate, an upper fixed plate and a bottom plate are connected through a fixing bolt all around, the fixed laminating in bottom plate bottom and casing upper end, the casing bottom is provided with several radiating fin in bottom plate relevant position department, initiative radiator unit and casing lower extreme fixed connection.
2. The PDU heat dissipation housing of claim 1, wherein: the thickness of the joint of the shell and the active heat dissipation assembly is larger than that of the other shells.
3. The PDU heat dissipation housing of claim 1, wherein: the bottom of the shell is provided with heat dissipation notches at the positions of the heat dissipation fins, and the heights of the heat dissipation fins are lower than the inner depths of the heat dissipation notches.
4. The PDU heat dissipation housing of claim 1, wherein: the active heat dissipation assembly is an air-cooled radiator, and the periphery of the air-cooled radiator is fixed to the two sides of the bottom of the shell through second fixing bolts.
5. The PDU heat dissipation housing of claim 1, wherein: the active heat dissipation assembly is a water-cooling heat dissipation assembly which comprises a water-cooling cover, the water-cooling cover is integrally U-shaped, two ends of the water-cooling cover are fixed to two sides of the bottom of the shell through third fixing bolts, a plurality of water-cooling cover fins are arranged on the inner side of the water-cooling cover, and the water-cooling cover fins and the heat dissipation fins are arranged at intervals.
6. The PDU heat dissipation housing of claim 5, wherein: and a water inlet and a water outlet are formed in two sides of the water cooling cover, and S-shaped water cooling flow channels are formed between the water cooling cover fins and the radiating fins.
7. The PDU heat dissipation housing of claim 5, wherein: and a sealing strip is arranged at the joint of the water cooling cover and the shell.
8. The PDU heat dissipation housing of claim 1, wherein: and a cushion block is arranged at one side of the PDU unit at the upper end of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447531.0U CN215073558U (en) | 2021-03-02 | 2021-03-02 | PDU heat dissipation casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447531.0U CN215073558U (en) | 2021-03-02 | 2021-03-02 | PDU heat dissipation casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215073558U true CN215073558U (en) | 2021-12-07 |
Family
ID=79254942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120447531.0U Expired - Fee Related CN215073558U (en) | 2021-03-02 | 2021-03-02 | PDU heat dissipation casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215073558U (en) |
-
2021
- 2021-03-02 CN CN202120447531.0U patent/CN215073558U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |