CN201286205Y - RD electric-controlled unit electric appliance box for cars - Google Patents
RD electric-controlled unit electric appliance box for cars Download PDFInfo
- Publication number
- CN201286205Y CN201286205Y CNU2008201849097U CN200820184909U CN201286205Y CN 201286205 Y CN201286205 Y CN 201286205Y CN U2008201849097 U CNU2008201849097 U CN U2008201849097U CN 200820184909 U CN200820184909 U CN 200820184909U CN 201286205 Y CN201286205 Y CN 201286205Y
- Authority
- CN
- China
- Prior art keywords
- circuit board
- box body
- power components
- electric
- power component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
A simple type electric-controlled unit electric appliance box for the automobile, belongs to an electron-controlled circuit board, and in particular relates to a electric-controlled unit circuit board for the automobile, comprising a box body, a box cover and a circuit board, wherein the box cover and the circuit board are fixed on the box body. The circuit board is characterized in that a power components area and a control line area are arranged at the circuit board surface, a control line and power components are respectively arranged in the control line area and the power components area, the power components are directly welded on the back of the circuit board, the box body is formed by the die casting moulding of the metallic plate, bosses with the same shape and size are arranged at the bottom correspondingly to the power components area, the heat-conducting silica gel is arranged between the power components area and the bosses. The circuit board has simple and reasonable structure, good heat radiation effect, little volume, material saving and easy machining. The intermediate connection for the circuit board is reduced, with safety and reliability.
Description
Technical field
The utility model belongs to the electronic control circuit circuit board, relates in particular to the electric-controlled unit for car circuit board.
Background technology
Development along with Hyundai Motor, the electronic degree of automobile increases year by year. and electronic technology is used widely in various aspects such as vehicle motor control, chassis control, failure diagnosis, ABS and sound equipment, navigation, has significantly improved dynamic property, economy, fail safe, stability and the comfortableness of vehicle.The electrical control circuit plate is that control circuit and power component are separated at present, make two-ply up and down, the centre connects by connector, and the upper strata is a control circuit, lower floor is a power component, establishes the thermal conductive silicon film identical with circuit size between lower plywood and the housing and dispels the heat.Its defective is with the connector inserts connection, to have increased the volume of circuit board greatly in the middle of the two-tier circuit plate; The components and parts consumption that consumes silica gel and connector is many; Tie point is many, and circuit reliability reduces.
Summary of the invention
In order to overcome the problem that prior art exists, the purpose of this utility model provides a kind of automobile electrical control circuit plate, and volume is little, cost of manufacture is low, good heat dissipation effect, easy to implement, safe and reliable.
RD electric-controlled unit electric appliance box for cars comprises box body, lid and circuit board, and circuit board and lid are fixed on the box body, and characteristics are that circuit board plate face is established power component district, control circuit district, installs control circuit and power component respectively; Power component is directly by the back side that is welded to connect at circuit board; Box body has good heat-conductive characteristic by the die cast metal moulding, and corresponding power component district, box body bottom is provided with shape, big or small identical boss; The thermal conductive silicon film is set, by the box body heat loss through conduction between the back side, power component district and the boss.
Compared with prior art, advantage is: control circuit and power component subregion are provided with, structural reduction, reasonable, and radiating effect is good; Volume is little, saves material, is easy to processing; Circuit board connects in the middle of reducing, and is safe and reliable.
Description of drawings
The utility model is described in further detail for the contrast accompanying drawing.
Fig. 1 is an automobile RD electric-controlled unit electric appliance box structural representation.
Fig. 2 is the vertical view of Fig. 1
Specific embodiments
By Fig. 1, Fig. 2 as can be seen, RD electric-controlled unit electric appliance box for cars is made up of box body 1, lid 5, circuit board 4, and box body 1 bead is established screw hole, and boss 2 is established in the bottom.Circuit board 3 is established power component district 6, control circuit district 7 and screw hole, and the power component that the power component district installs passes circuit board 4 and directly is welded to connect the back side at circuit board, and control circuit district 7 installs control circuit.Pad is established thermal conductive silicon film 3 between the boss 2 of 7 back sides, circuit board power component district and box body 1.With screw circuit board 4, thermal conductive silicon film 3 are fixed on the box body 1, lid 5 are fixed on the box body 1 with screw.
Claims (1)
1. RD electric-controlled unit electric appliance box for cars, comprise box body (1), lid (2) and circuit board (4), circuit board (4), lid (5) are fixed on the box body (1), it is characterized in that establishing on circuit board (4) the plate face power component district (6), control circuit district (7), install control circuit and power component respectively, power component is directly by the back side that is welded to connect in circuit board (4); Box body is by the metallic plate die cast, and corresponding power component district, bottom (6) is provided with shape, big or small identical boss (2), and pad is established heat conductive silica gel between power component district (6) and the boss (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201849097U CN201286205Y (en) | 2008-09-02 | 2008-09-02 | RD electric-controlled unit electric appliance box for cars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201849097U CN201286205Y (en) | 2008-09-02 | 2008-09-02 | RD electric-controlled unit electric appliance box for cars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201286205Y true CN201286205Y (en) | 2009-08-05 |
Family
ID=40951170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201849097U Expired - Fee Related CN201286205Y (en) | 2008-09-02 | 2008-09-02 | RD electric-controlled unit electric appliance box for cars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201286205Y (en) |
-
2008
- 2008-09-02 CN CNU2008201849097U patent/CN201286205Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20110902 |