CN204615714U - A kind of electric machine controller - Google Patents
A kind of electric machine controller Download PDFInfo
- Publication number
- CN204615714U CN204615714U CN201520330400.9U CN201520330400U CN204615714U CN 204615714 U CN204615714 U CN 204615714U CN 201520330400 U CN201520330400 U CN 201520330400U CN 204615714 U CN204615714 U CN 204615714U
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- CN
- China
- Prior art keywords
- circuit board
- backing plate
- control circuit
- screw
- ipm chip
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Abstract
The utility model discloses a kind of electric machine controller, comprise control box, control circuit board and screw, control circuit board is arranged on inside the cavity of control box, the bottom surface of control circuit board is provided with IPM chip, gap is formed between IPM chip and the bottom surface of control circuit board, backing plate is provided with inside gap, screw is from control circuit board, be locked on the diapire of cavity after backing plate and IPM chip pass, the head of screw is pressed on the end face of backing plate, backing plate is stressed and then IPM chip is pressed on the diapire of cavity, screw passes through backing plate power transmission on IPM chip, there will not be the phenomenon breaking IPM chip, and insulating properties is better, meet insulating requirements.
Description
Technical field:
The utility model relates to a kind of electric machine controller.
Background technology:
Conventional electric machine controller comprises control box, control circuit board and screw, control circuit board is arranged on inside control box, the bottom surface of control circuit board is provided with IPM chip, screw is locked at IPM chip on the diapire of control box through after control circuit board, the head of screw is directly pressed on IPM chip, but there is following several weak point:
1) screw is directly beaten on IPM chip, and IPM chip is directly stressed, may break IPM chip, cause and scrap;
2) screw is directly pressed on IPM chip, and the insulating properties between the screw of metal and IPM chip is poor, easily affects the normal work of IPM chip.
Summary of the invention:
The purpose of this utility model is to provide a kind of electric machine controller, by increasing by one piece of backing plate between IPM chip and control circuit board, screw is beaten on backing plate, backing plate is pressed on IPM chip, screw passes through backing plate power transmission on IPM chip, there will not be the phenomenon breaking IPM chip, and insulating properties is better, meets insulating requirements.
The purpose of this utility model is achieved by following technical proposals.
A kind of electric machine controller, comprise control box, control circuit board and screw, control circuit board is arranged on inside the cavity of control box, the bottom surface of control circuit board is provided with IPM chip, gap is formed between IPM chip and the bottom surface of control circuit board, backing plate is provided with inside gap, screw is locked on the diapire of cavity after control circuit board, backing plate and IPM chip pass, the head of screw is pressed on the end face of backing plate, and backing plate is stressed and then IPM chip is pressed on the diapire of cavity.
Above-mentionedly on the both sides of the edge of backing plate and IPM chip, be provided with mutually through breach, screw passes in the middle of breach.
Above-mentionedly on control circuit board, offer the through hole corresponding with gap position, screw passes in the middle of through hole.
Above-mentionedly on the bottom surface of control box, be provided with some fin.
Above-mentioned backing plate employing has flexible insulating material and makes.
The utility model compared with prior art, has following effect:
1) screw is locked on the diapire of cavity after control circuit board, backing plate and IPM chip pass, the head of screw is pressed on the end face of backing plate, backing plate is stressed and then IPM chip is pressed on the diapire of cavity, screw is beaten on backing plate, backing plate is pressed on IPM chip, and screw on IPM chip, there will not be the phenomenon breaking IPM chip by backing plate power transmission, and insulating properties is better, meets insulating requirements;
2) on the both sides of the edge of backing plate and IPM chip, mutually through breach is provided with, screw passes in the middle of breach, control circuit board offers the through hole corresponding with gap position, screw passes in the middle of through hole, structure is simple, easy for installation, effectively to avoid in the process of installing screw to the damage of IPM chip or control circuit board;
3) on the bottom surface of control box, be provided with some fin, structure is simple, effectively improves the radiating efficiency of electric machine controller;
4) backing plate adopts and has flexible insulating material and make, and ensures the insulating requirements of IPM chip on the one hand, can ensure to have good Elastic Contact between screw and IPM chip on the other hand, can not cause damage to IPM chip.
Accompanying drawing illustrates:
Fig. 1 is the stereogram of electric machine controller in embodiment one;
Fig. 2 is the exploded view of electric machine controller in embodiment one;
Fig. 3 is the exploded view of control circuit board in embodiment;
Fig. 4 is the vertical view of electric machine controller in embodiment one;
Fig. 5 is A-A cutaway view in Fig. 4;
Fig. 6 is the structural representation of electric machine controller in embodiment two.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, the present embodiment is a kind of electric machine controller, comprise control box 1, control circuit board 2 and screw 3, control circuit board 2 is arranged on inside the cavity 10 of control box 1, the bottom surface of control circuit board 2 is provided with IPM chip 4, gap is formed between IPM chip 4 and the bottom surface of control circuit board 2, backing plate 5 is provided with inside gap, screw 3 is from control circuit board 2, be locked on the diapire of cavity 10 after backing plate 5 and IPM chip 4 pass, the head of screw 3 is pressed on the end face of backing plate 5, backing plate 5 is stressed and then IPM chip 4 is pressed on the diapire of cavity 10.Backing plate 5 with the both sides of the edge of IPM chip 4 are provided with mutually through breach 50, and screw 3 passes in the middle of breach 50.Control circuit board 2 offers the through hole 20 corresponding with breach 50 position, and screw 3 passes in the middle of through hole 20.The bottom surface of control box 1 is provided with some fin 11.Backing plate 5 employing has flexible insulating material and makes.
Embodiment two: as shown in Figure 3 and Figure 6, the present embodiment is a kind of electric machine controller, comprise heating panel 6, control circuit board 2 and screw 3, control circuit board 2 is arranged on the end face of heating panel 6, the bottom surface of control circuit board 2 is provided with IPM chip 4, gap is formed between IPM chip 4 and the bottom surface of control circuit board 2, backing plate 5 is provided with inside gap, screw 3 is from control circuit board 2, be locked on the end face of heating panel 6 after backing plate 5 and IPM chip 4 pass, the head of screw 3 is pressed on the end face of backing plate 5, backing plate 5 is stressed and then IPM chip 4 is pressed on the end face of heating panel 6.The bottom surface of heating panel 6 is provided with some fin 11.
Claims (8)
1. an electric machine controller, comprise control box (1), control circuit board (2) and screw (3), control circuit board (2) is arranged on cavity (10) the inside of control box (1), the bottom surface of control circuit board (2) is provided with IPM chip (4), it is characterized in that: between IPM chip (4) and the bottom surface of control circuit board (2), be formed with gap, backing plate (5) is provided with inside gap, screw (3) is locked at backing plate (5) and IPM chip (4) the diapire of cavity (10) through rear from control circuit board, the head of screw (3) is pressed on the end face of backing plate (5), backing plate (5) is stressed and then IPM chip (4) is pressed on the diapire of cavity (10).
2. a kind of electric machine controller according to claim 1, it is characterized in that: on the both sides of the edge of backing plate (5) with IPM chip (4), be provided with mutually through breach (50), screw (3) passes in the middle of breach (50).
3. a kind of electric machine controller according to claim 2, it is characterized in that: on control circuit board (2), offer the through hole (20) corresponding with breach (50) position, screw (3) passes in the middle of through hole (20).
4. a kind of electric machine controller according to claim 1 or 2 or 3, is characterized in that: on the bottom surface of control box (1), be provided with some fin (11).
5. a kind of electric machine controller according to claim 1 or 2 or 3, is characterized in that: backing plate (5) employing has flexible insulating material and makes.
6. a kind of electric machine controller according to claim 5, is characterized in that: backing plate (5) is the glass-fiber-plate be made up of insulating material.
7. an electric machine controller, comprise heating panel (6), control circuit board (2) and screw (3), control circuit board (2) is arranged on the end face of heating panel (6), the bottom surface of control circuit board (2) is provided with IPM chip (4), it is characterized in that: between IPM chip (4) and the bottom surface of control circuit board (2), be formed with gap, backing plate (5) is provided with inside gap, screw (3) is locked at backing plate (5) and IPM chip (4) the end face of heating panel (6) through rear from control circuit board (2), the head of screw (3) is pressed on the end face of backing plate (5), backing plate (5) is stressed and then IPM chip (4) is pressed on the end face of heating panel (6).
8. a kind of electric machine controller according to claim 7, is characterized in that: on the bottom surface of heating panel (6), be provided with some fin (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330400.9U CN204615714U (en) | 2015-05-20 | 2015-05-20 | A kind of electric machine controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330400.9U CN204615714U (en) | 2015-05-20 | 2015-05-20 | A kind of electric machine controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204615714U true CN204615714U (en) | 2015-09-02 |
Family
ID=53968237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520330400.9U Active CN204615714U (en) | 2015-05-20 | 2015-05-20 | A kind of electric machine controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204615714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278681A (en) * | 2018-03-13 | 2019-09-24 | 无锡飞翎电子有限公司 | The mounting structure and laundry facilities of IPM module |
-
2015
- 2015-05-20 CN CN201520330400.9U patent/CN204615714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278681A (en) * | 2018-03-13 | 2019-09-24 | 无锡飞翎电子有限公司 | The mounting structure and laundry facilities of IPM module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |