CN211210088U - Power device pressing structure of electric vehicle controller - Google Patents
Power device pressing structure of electric vehicle controller Download PDFInfo
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- CN211210088U CN211210088U CN201922247280.7U CN201922247280U CN211210088U CN 211210088 U CN211210088 U CN 211210088U CN 201922247280 U CN201922247280 U CN 201922247280U CN 211210088 U CN211210088 U CN 211210088U
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- circuit board
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- pcb circuit
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Abstract
The utility model discloses an electric vehicle controller's power device compact structure, the controller is including the heat dissipation casing, fixed stop and PCB circuit board, the heat dissipation casing forms the controller main part with the fixed stop assembly, the PCB circuit board sets up in the controller main part, be provided with the MOS pipe as power device on the PCB circuit board, the one side of MOS pipe is hugged closely in the front of PCB circuit board, the another side pastes and leans on the inner wall in the heat dissipation casing, be provided with waterproof rubber between PCB circuit board and the fixed stop, be provided with the salient point on the waterproof rubber, the salient point acts on the back of PCB circuit board and corresponds the position setting of MOS pipe, the last bellying that is provided with of fixed stop, the bellying corresponds the salient point setting, through the bellying, the salient point compresses tightly the MOS pipe on the heat. According to the structure, the bulge on the fixed baffle is matched with the bulge on the waterproof rubber sheet to be pressed on the PCB, so that the power device MOS tube is pressed on the heat dissipation shell, and reliable assembly is realized.
Description
Technical Field
The utility model relates to a controller structure especially relates to an electric vehicle controller's power device compact structure.
Background
The controller is a core component for controlling the starting, running, advancing and retreating, speed and stopping of the motor of the electric vehicle and other electronic devices of the electric vehicle, and naturally attracts much attention, and besides the size of the controller is reasonably controlled, the heat dissipation effect of a power device in the controller is also ensured.
Taking a power device MOS as an example, the power device MOS is connected to a PCB by pins and radiates heat outwards through a heat dissipation casing, however, because the overall structure of the controller is reduced and the components are closely arranged, the power device is easily damaged due to overheating caused by insufficient heat dissipation capability, or the pins touch the housing and cause electric leakage.
In order to ensure the heat dissipation effect of the power device, a spring piece or other pressing pieces are generally adopted to press the power device to be tightly attached to the shell, the structure is complex in assembly, high in cost and poor in structural stability, and once the pressing fails, the heat dissipation effect is greatly reduced.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide an electric vehicle controller's power device compact structure realizes that power device is reliable fixed to guarantee its heat-sinking capability.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an electric vehicle controller's power device compact structure, wherein the controller is including the heat dissipation casing, fixed stop and PCB circuit board, the heat dissipation casing forms the controller main part with the fixed stop assembly, the PCB circuit board sets up in the controller main part, be provided with the MOS pipe as power device on the PCB circuit board, the one side of MOS pipe is hugged closely in the front of PCB circuit board, the another side is leaned on in the inner wall of heat dissipation casing, be provided with waterproof rubber between PCB circuit board and the fixed stop, be provided with the salient point on the waterproof rubber, the salient point acts on the back of PCB circuit board and corresponds the position setting of MOS pipe, the last bellying that is provided with of fixed stop, the bellying corresponds the salient point setting, through the bellying, the bellying compresses tightly.
Particularly, the outer wall of the heat dissipation shell is provided with heat dissipation fins corresponding to the heat conduction position of the MOS tube.
Particularly, the PCB circuit board is further provided with a wire holder, the radiating shell is provided with a wire connecting port, and the wire connecting port is provided with a detachable protective cover.
Particularly, still be provided with the function port needle file on the PCB circuit board, the function port needle file stretches out the controller main part to press from both sides tightly fixedly by radiator shell and fixed stop, integrated into one piece goes out the sealing washer on the waterproof rubber, and the outer wall of sealing washer parcel function port needle file forms sealedly between radiator shell, the fixed stop.
Particularly, the waterproof rubber is also provided with a supporting column for ensuring the PCB circuit board to be clamped and fixed.
In particular, the fixed baffle is made of iron, and the protruding part is formed by punching.
Particularly, the fixed baffle, the waterproof rubber and the heat dissipation shell are sequentially stacked and fixedly connected through fastening bolts.
To sum up, the beneficial effects of the utility model are that, compare with prior art, electric vehicle controller's power device compact structure adopts the protruding point top pressure on the waterproof rubber of bellying cooperation on the fixed stop board on the PCB circuit board, and then compresses tightly power device MOS pipe on the heat dissipation casing, realizes reliable assembly, guarantees simultaneously that the heat of power device can pass fast and derive, and the radiating effect is showing and promotes, and stable in structure, it is convenient to assemble, need not extra roof pressure spare, has solved controller components and parts's heat dissipation problem in the little space.
Drawings
Fig. 1 is an exploded view of a power device pressing structure of an electric vehicle controller according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a power device pressing structure of an electric vehicle controller provided by an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 and 2, the present embodiment provides a power device pressing structure of an electric vehicle controller, wherein the controller includes a heat dissipation housing 1, a fixing baffle 2 and a PCB circuit board 3. The heat dissipation shell 1 and the fixed baffle 2 are assembled to form a controller main body, the PCB 3 is arranged in the controller main body, and the PCB 3 is provided with an MOS (metal oxide semiconductor) tube 4 serving as a power device.
One side of the MOS tube 4 is tightly attached to the front side of the PCB 3, the other side is tightly attached to the inner wall of the heat dissipation shell 1, and a heat dissipation fin 5 is arranged on the outer wall of the heat dissipation shell 1 corresponding to the position of heat conduction of the MOS tube 4.
Be provided with waterproof rubber 6 between PCB circuit board 3 and fixed stop 2, be provided with salient point 7 on the waterproof rubber 6, salient point 7 acts on the back of PCB circuit board 3 and corresponds the position setting of MOS pipe 4, is provided with bellying 8 on the fixed stop 2, and bellying 8 corresponds the setting of salient point 7, compresses tightly MOS pipe 4 on heat dissipation shell 1 through bellying 8, salient point 7.
The fixed baffle 2 is made of iron, and the convex part 8 is formed by punching.
The PCB circuit board 3 is further provided with a wire holder 9, the heat dissipation shell 1 is provided with a wire connection port 10, and the wire connection port 10 is provided with a detachable protective cover 11.
Still be provided with function port needle file 12 on the PCB circuit board 3, function port needle file 12 stretches out the controller main part to press from both sides tightly fixedly by heat dissipation casing 1 and fixed stop 2, integrated into one piece goes out sealing washer 13 on waterproof rubber 6, and sealing washer 13 parcel function port needle file 12's outer wall forms sealedly between with heat dissipation casing 1, fixed stop 2.
And a supporting column 14 for ensuring the PCB 3 to be clamped and fixed is also arranged on the waterproof rubber sheet 6.
The fixed baffle 2, the waterproof rubber sheet 6 and the heat dissipation shell 1 are sequentially stacked and fixedly connected through the fastening bolt 15 to form a whole, and the PCB 3 is clamped and fixed by the three.
In addition, certain deformation can be performed on the basis, for example, the protruding part 8 on the fixed baffle 2 is matched with the protruding point 7 on the waterproof rubber sheet 6 to be directly pressed on the MOS tube 4 exceeding the surface of the PCB 3, and the protruding point 7 not only can reduce the buffer force of pressing, but also can play a role in fixing stability, thereby playing a dual role; if the heat dissipation effect is ensured, an aluminum base strip can be additionally arranged between the MOS tube 4 and the heat dissipation shell 1, so that the heat conduction capability is further improved.
To sum up, this electric vehicle controller's power device compact structure adopts the bellying cooperation on the waterproof rubber of bellying cooperation on the fixed stop to push up on the PCB circuit board, and then compresses tightly power device MOS pipe on heat dissipation casing, realizes reliable assembly, guarantees simultaneously that power device's heat can be conducted fast and derive, and the radiating effect is showing and is promoting, stable in structure, and the assembly is convenient, need not extra roof pressure spare, has solved controller components and parts's heat dissipation problem in the small space.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A power device pressing structure of an electric vehicle controller is disclosed, the controller comprises a heat dissipation shell, a fixed baffle and a PCB circuit board, the heat dissipation shell and the fixed baffle are assembled to form a controller main body, the PCB circuit board is arranged in the controller main body, an MOS tube used as a power device is arranged on the PCB circuit board, the power device pressing structure is characterized in that,
one side of MOS pipe hug closely in the front of PCB circuit board, the another side paste lean on in the inner wall of heat dissipation casing, PCB circuit board with be provided with waterproof rubber between the fixed stop, be provided with the salient point on the waterproof rubber, the salient point acts on the back of PCB circuit board and the position setting that corresponds the MOS pipe, the last bellying that is provided with of fixed stop, the bellying corresponds the salient point sets up, through bellying, bellying will the MOS pipe compress tightly in on the heat dissipation casing.
2. The power device pressing structure of an electric vehicle controller according to claim 1, characterized in that: and the outer wall of the heat dissipation shell is provided with heat dissipation fins corresponding to the position of the MOS tube for heat conduction.
3. The power device pressing structure of an electric vehicle controller according to claim 1, characterized in that: still be provided with the wire holder on the PCB circuit board, the wiring mouth has been seted up on the heat dissipation casing, be provided with the protective cover that can dismantle on the wiring mouth.
4. The power device pressing structure of an electric vehicle controller according to claim 1, characterized in that: still be provided with the function port needle file on the PCB circuit board, the controller main part is stretched out to the function port needle file, and by the heat dissipation casing with the fixed stop presss from both sides tightly fixedly, integrated into one piece goes out the sealing washer on the waterproof rubber, the sealing washer parcel the outer wall of function port needle file, with form sealedly between heat dissipation casing, the fixed stop.
5. The power device pressing structure of an electric vehicle controller according to claim 1, characterized in that: and the waterproof rubber is also provided with a supporting column for ensuring the PCB to be clamped and fixed.
6. The power device pressing structure of an electric vehicle controller according to claim 1, characterized in that: the fixed baffle is iron, and the bulge is formed by stamping.
7. The power device pressing structure of an electric vehicle controller according to claim 1, characterized in that: the fixed baffle, the waterproof rubber and the heat dissipation shell are sequentially stacked and fixedly connected through fastening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922247280.7U CN211210088U (en) | 2019-12-12 | 2019-12-12 | Power device pressing structure of electric vehicle controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922247280.7U CN211210088U (en) | 2019-12-12 | 2019-12-12 | Power device pressing structure of electric vehicle controller |
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| Publication Number | Publication Date |
|---|---|
| CN211210088U true CN211210088U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922247280.7U Active CN211210088U (en) | 2019-12-12 | 2019-12-12 | Power device pressing structure of electric vehicle controller |
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| CN (1) | CN211210088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023248235A1 (en) * | 2022-06-23 | 2023-12-28 | Tvs Motor Company Limited | Electronic component enclosure and method of assembling the electronic component enclosure |
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2019
- 2019-12-12 CN CN201922247280.7U patent/CN211210088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023248235A1 (en) * | 2022-06-23 | 2023-12-28 | Tvs Motor Company Limited | Electronic component enclosure and method of assembling the electronic component enclosure |
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