CN101888767B - Gearbox controller convenient for heat radiation - Google Patents
Gearbox controller convenient for heat radiation Download PDFInfo
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- CN101888767B CN101888767B CN2010102088201A CN201010208820A CN101888767B CN 101888767 B CN101888767 B CN 101888767B CN 2010102088201 A CN2010102088201 A CN 2010102088201A CN 201010208820 A CN201010208820 A CN 201010208820A CN 101888767 B CN101888767 B CN 101888767B
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- circuit board
- printed circuit
- base plate
- heat
- connector
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Abstract
The invention discloses a gearbox controller convenient for heat radiation, comprising a soleplate, a printed circuit board and an upper cover, wherein the printed circuit board is installed on the soleplate; the upper cover is positioned above the printed circuit board and a connector; and a metal pressing edge is arranged on the edge of the printed circuit board, the printed circuit board is fixed by pressing the metal pressing edge by the soleplate and the upper cover and is tightly bonded with the soleplate at a large-current chip area through a heat conductive adhesive. Through the invention, the large-current chip area of the printed circuit board is effectively bonded with the soleplate through the heat conductive adhesive, and heat can be radiated with high efficiency; meanwhile, the printed circuit board has uniform stress, and the situation of warping caused by overmuch local stress can not occur.
Description
Technical field
The present invention relates to a kind of device for vehicular electronic, be specifically related to a kind of automobile-used controller of gear-boxes.
Background technology
At automotive field, the automobile of automatic transmission gearbox (AMT) can be relatively easy to accomplish the economic performance of comfortable cornering ability, oil consumption and the power performance of acceleration.And the performance of outfit automatic transmission gearbox (AMT) automobile is mainly by gearbox control (TCU; Transmission controlunit) decision; Gearbox control is the control assembly of automatic gear-box (AMT), thereby the performance of gearbox control TCU has played crucial effects to comfortableness, economy and the dynamic property of car load.
Heat dissipation design is the ring that electronic controller design can not be ignored always, and the bad electronic controller operate as normal that tends to influence of dispelling the heat is heavy then cause burning electronic controller.So in the platform development process, heat dissipation design is the importance that the designer need consider all along.The heat dissipating method of gearbox control commonly used is to mount the heat conduction paster at present, and its cost is high, and heat conduction is insufficient, and this mode is worked under the environment of enging cabin has the bad risk of heat radiation.
Summary of the invention
Technical problem to be solved by this invention provides a kind of gearbox control of being convenient to dispel the heat, and it can solve the gearbox control heat dissipation problem preferably.
In order to solve above technical problem, the invention provides a kind of gearbox control of being convenient to dispel the heat; Comprise: base plate; Printed circuit board (PCB), it is installed on base plate; Loam cake, it is positioned at printed circuit board (PCB) and connector top; Said printed circuit board edge has the metal flanging, and base plate and loam cake be through pressing metal flanging fixed printed circuit board, and plays electric ground connection effect.The big electric current chip area of printed circuit board (PCB) is fully fitted high efficiency and heat radiation through heat-conducting glue and base plate.
Beneficial effect of the present invention is: make the big electric current chip area of printed circuit board (PCB) fully fit through heat-conducting glue and base plate, and can high efficiency and heat radiation; Printed circuit board (PCB) is stressed even simultaneously, situation of warping caused by overmuch local stress can not take place.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Fig. 1 is the sketch map of the said gearbox control of the embodiment of the invention;
Fig. 2 is the sketch map of disassembling of the said gearbox control of the embodiment of the invention;
Fig. 3 is that the forward of the said gearbox control of the embodiment of the invention is analysed sketch map.
Embodiment
Form by parts such as tapping screw 4, loam cake 1, fluid sealant 5, connector 2, printed circuit board (PCB) 6, heat-conducting glue 7, pressure compensation element 8, base plates 3 like Fig. 1, the said gearbox control of present embodiment shown in Figure 2.Wherein, base plate 3 is the die casting aluminum component, and loam cake 1 adopts the aluminium stamping parts.The best overall dimensions of gearbox control is controlled at 178mm (L) x124mm (W) x46.3mm (H), and total weight is less than 435g.
Heat on the whole printed circuit board (PCB) 6 must be transmitted on the mechanical cover and could shed effectively, so printed circuit board (PCB) 6 is extremely important with the fixed form of mechanical cover.Good make that fixedly the boss contact position that is coated with heat-conducting glue on printed circuit board (PCB) 6 and the shell is accurate, thereby big electric current chip can high efficiency and heat radiation; Printed circuit board (PCB) 6 is stressed even simultaneously, situation of warping caused by overmuch local stress can not take place.Gearbox control has adopted the fixing mode of flanging to printed circuit board (PCB) 6, and printed circuit board (PCB) 6 is installed on base plate 3; There is metal flanging 9 at printed circuit board (PCB) 6 edges, base plate 3 and the mode fixed printed circuit board 6 of loam cake 1 through pressing metal flanging 9.Printed circuit board (PCB) 6 three limits all have stressed, relatively evenly.
In the time of fixedly, need the thrust of control shell screw, guarantee that printed circuit board (PCB) 6 and the tight of shell contact.Gearbox control compact conformation according to the invention is simple, volume is little, do not account for installing space, and fixed installation is reliable.The big electric current chip area of printed circuit board (PCB) is fully fitted through heat-conducting glue and base plate, can high efficiency and heat radiation; The power of big electric current chip of the present invention is greater than common control chip, and its performance number is greater than 5w; Its operating current is greater than 15A, and peak current is greater than 60A.
As shown in Figure 2, can on printed circuit board (PCB) 6, have two positioning through hole 13, play guiding and positioning action when being used for fitting printed circuit board 6.Can on printed circuit board (PCB) 6, have at least four logical 13 holes, guiding and fixed connector when being used for manual or automatic assembly connector.
As shown in Figure 3, base plate 3 bottoms can be provided with cooling fin 10, can effectively increase the surface area of base plate, and the heat that helps further will passing to base plate is dispersed in the air.
As shown in Figure 2, can be coated with heat-conducting glue 7 on base plate 3 internal boss, increase heat-sinking capability.
Connector can be positioned at the gearbox control side, and connector is connected with printed circuit board (PCB).Can reduce the height of gearbox control like this, satisfy the little space mounting requirement of client.
As shown in Figure 2, the place that loam cake 1 and base plate 3 and connector 2 side edge are touched is provided with semi-circular recesses and is used to hold fluid sealant 5, design fin and loam cake groove fit on the base plate 3, the contact area of the fluid sealant 5 of increase viscose glue process.Connector 2 bottom bathtub construction seats are on the bottom plate glue groove, and connector 2 is designed with rib and prevents the glue that overflows.As shown in Figure 2, whole sealing gluing track sealing, fluid sealant 5 curves between loam cake 1 and base plate 3 and the connector 2 are a three-dimensional shape.The parts sealing area is designed with roughness and strengthens viscose properties.Above-mentioned hermetically-sealed construction possesses the protective capacities of plastic packaging degree of protection IP6K9K.
There is prerotation vane 11 at said loam cake 1 edge, and said base plate 3 inboards are provided with positioning guide column 12, and the effect of prerotation vane 11 and positioning guide column 12 is location and installation of being convenient to loam cake 1, base plate 3 and printed circuit board (PCB) 6.
There is pressure compensation element 8 to be attached to said base plate 3 inboards, vertical and horizontal through hole structure are set on the base plate 3, be convenient to make and prevent that also extraneous the water spray from directly annotating on the pressure compensation element 8, pressure compensation element 8 is played a protective role.
The present invention is not limited to the execution mode that preceding text are discussed.More than the description of embodiment is intended in order to describe and explain the technical scheme that the present invention relates to.Based on the conspicuous conversion of the present invention enlightenment or substitute and also should be considered to fall into protection scope of the present invention.Above embodiment is used for disclosing best implementation method of the present invention, so that those of ordinary skill in the art can use numerous embodiments of the present invention and multiple alternative reaches the object of the invention.
Claims (8)
1. gearbox control of being convenient to dispel the heat; It is characterized in that, comprising:
Base plate;
Printed circuit board (PCB), it is installed on the base plate;
Loam cake, it is positioned at printed circuit board (PCB) and connector top;
Said printed circuit board edge has the metal flanging, and base plate and loam cake are through pressing metal flanging fixed printed circuit board, and the big current element zone passage heat-conducting glue of printed circuit board (PCB) and base plate are fitted;
The place is provided with boss at the big current element of the corresponding printed circuit board (PCB) of said base plate interior, is coated with heat-conducting glue on the boss;
Covered semi-circular recesses on said and be used to hold glue, fin and loam cake groove fit have been arranged on the said base plate;
Said loam cake one side opening is used to hold connector, and along loam cake and the contacted limit of connector, and the limit that loam cake contacts with base plate forms the three-dimensional grooves distributed of a circle;
Being positioned on the connector on the contacted limit of connector and base plate has semi-circular recesses to be used to hold glue.
2. the gearbox control of being convenient to dispel the heat as claimed in claim 1 is characterized in that, on said printed circuit board (PCB), has positioning through hole, plays guiding and positioning action when being used for fitting printed circuit board.
3. the gearbox control of being convenient to dispel the heat as claimed in claim 2 is characterized in that, has at least four through holes on the said printed circuit board (PCB), is used for guiding and fixed connector.
4. the gearbox control of being convenient to dispel the heat as claimed in claim 1 is characterized in that, is provided with cooling fin in said base.
5. the gearbox control of being convenient to dispel the heat as claimed in claim 1 is characterized in that, said loam cake adopts the aluminium alloy stamping parts, and said base plate adopts pack alloy spare.
6. the gearbox control of being convenient to dispel the heat as claimed in claim 1 is characterized in that, also comprises, is positioned at the connector of gearbox control side, and said connector is connected with printed circuit board (PCB).
7. the gearbox control of being convenient to dispel the heat as claimed in claim 1 is characterized in that connector is provided with rib; There is prerotation vane at said loam cake edge, and said base plate inboard is provided with positioning guide column.
8. the gearbox control of being convenient to dispel the heat as claimed in claim 1 is characterized in that, has pressure compensation element to be attached to said base plate inboard, and vertical and horizontal through hole structure are set on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102088201A CN101888767B (en) | 2010-06-24 | 2010-06-24 | Gearbox controller convenient for heat radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102088201A CN101888767B (en) | 2010-06-24 | 2010-06-24 | Gearbox controller convenient for heat radiation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101888767A CN101888767A (en) | 2010-11-17 |
| CN101888767B true CN101888767B (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102088201A Active CN101888767B (en) | 2010-06-24 | 2010-06-24 | Gearbox controller convenient for heat radiation |
Country Status (1)
| Country | Link |
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| CN (1) | CN101888767B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565340B (en) * | 2014-12-30 | 2017-03-08 | 天津福云天翼科技有限公司 | A kind of 200 600KW change speed gear box automatic gearshifting controllers |
| CN112601408B (en) * | 2020-12-25 | 2023-08-25 | 珠海格力电器股份有限公司 | Electrical apparatus box, controller and ECAS pneumatic system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080001277A1 (en) * | 2006-06-30 | 2008-01-03 | Tsrong Yi Wen | Semiconductor package system and method of improving heat dissipation of a semiconductor package |
| CN201119231Y (en) * | 2007-09-19 | 2008-09-17 | 镇江恒驰科技有限公司 | Electronic control unit structure component for engine |
| CN101374393B (en) * | 2008-09-02 | 2011-05-25 | 安徽奥马特汽车变速系统有限公司 | Electric-controlled unit electric appliance box for cars |
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2010
- 2010-06-24 CN CN2010102088201A patent/CN101888767B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101888767A (en) | 2010-11-17 |
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