CN205292774U - Prevent inside overheated automatically controlled ware of automobile -used power assisted steering - Google Patents
Prevent inside overheated automatically controlled ware of automobile -used power assisted steering Download PDFInfo
- Publication number
- CN205292774U CN205292774U CN201520522932.2U CN201520522932U CN205292774U CN 205292774 U CN205292774 U CN 205292774U CN 201520522932 U CN201520522932 U CN 201520522932U CN 205292774 U CN205292774 U CN 205292774U
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- CN
- China
- Prior art keywords
- base
- heat
- pcb board
- cover plate
- conducting seat
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Abstract
The utility model discloses a prevent inside overheated automatically controlled ware of automobile -used power assisted steering, including the PCB board, base and apron, base top integrated into one piece has toper support column and right -angle trapezoid -shaped's heat -conducting seat, the PCB board is arranged in on the toper support column, and two reference column location through passing the PCB board, the reunion fix with screw is on the heat -conducting seat, the base with the apron pressure equipment be in the same place, the installation is protruding inserts in the corresponding installation breach, the toper support column is located the apron, and make apron and base lock get more and more tightlyer, the position department that the apron top is close to right back angle is provided with triangle -shaped's mistake proofing dress mark, the back of base is provided with a plurality of bar heat -sink that extend that control. Effectively avoid between base and the apron, installation back existence is slightly rocked between PCB board and the base to and the too high problem of PCB board the local temperature, and prevent the apron put the reverse side.
Description
Technical field
This utility model relates to a kind of electric power steering electric controller on automobile, belongs to frame for movement technical field.
Background technology
Electric power steering electric controller is requisite ingredient in Electric Power Steering Control System, is made up of pcb board, base, cover plate and plug connector. Cover plate and base surround an electric controller housing jointly, and pcb board is arranged on base, and are positioned at electric controller housing. Plug connector totally four, respectively motor power plug connector, sensor signal plug connector, vehicle body power supply plug-in unit and vehicle body signal plug connector, four plug connectors are installed in cover sidewall.
Base and cover plate are fixed together by press-fiting, in actual production and use procedure, base and cover plate press-fit rear occasional to be occurred press-fiting and not to fasten, and the installation between pcb board and base is unreliable, there is the problems such as weak vibrations, have impact on the reliability of product quality and stability; The bottom of pcb board is provided with metal-oxide-semiconductor, leaves gap between metal-oxide-semiconductor and base, it is impossible to carry out conduction of heat, causes the position temperature installing metal-oxide-semiconductor higher, and the heat radiation of pcb board is bad; Cover plate is placed on when base press-fits, it is easy to situation about putting back before and after occurring.
Utility model content
This utility model aims to solve the problem that between base and cover plate, there is weak vibrations, and pcb board local temperature is too high, the problem put back before and after cover plate between pcb board and base after installing.
For this, the technical scheme that this utility model adopts is: a kind of automobile-used power-assisted steering electric controller preventing over-heat inside, including pcb board, base and cover plate, circumferential edge along described cover plate is provided with the sidewall downwardly extended, jointly surround a rectangle electric controller housing with base, described pcb board is arranged on base, and is positioned at electric controller housing, sensor signal plug connector and motor power plug connector integrated injection molding, be arranged on the front side wall of cover plate; Vehicle body signal plug connector and vehicle body power supply plug-in unit integrated injection molding, be arranged on the rear wall of cover plate;It is characterized in that: four angle position places above described base are integrally formed with up-small and down-big taper support post, two of which is be provided with locating dowel on the taper support post that diagonal is arranged, the metal-oxide-semiconductor of described pcb board is positioned at position on the right side, middle and upper part, integrally formed with heat-conducting seat on base, described heat-conducting seat is positioned at the underface of metal-oxide-semiconductor, the top of heat-conducting seat and metal-oxide-semiconductor fit together, the cross section of heat-conducting seat is gradually increased until wide with base in left side, thus forming the heat-conducting seat of a right-angled trapezium shape; Described pcb board is placed on taper support post, and by two locating dowel location through pcb board, it is fixed on heat-conducting seat in conjunction with screw, left and right sides at described base is provided with installation gap, the left and right sidewall of described cover plate is provided with installation equal with installation gap quantity, that position is corresponding, size is mated protruding; Together with described base is fitted in cover plate, installing projection and insert in corresponding installation gap, taper support post is positioned at cover plate, and makes cover plate and base fasten more and more tighter; Described cover plate top is provided with the anti-misloading labelling of triangle near the position of right relief angle; The back side of described base is provided with the bar shaped thermal trough that some left and right extend, and described bar shaped thermal trough is through in left and right, heat-conducting seat position, and the degree of depth is gradually increased along with the height of heat-conducting seat.
Preferred as such scheme, middle position place, described cover plate top is provided with the punching press reinforcement of rectangular ring concave downward, and the width L of described punching press reinforcement is 5mm; By setting up reinforcement, improving the intensity of cover plate, simultaneously when cover plate is collided, cover plate has certain deflection, can cushion collision, and protection pcb board is without damage.
Further, described motor power plug connector and vehicle body power supply plug-in unit are arranged in the same side of separated time about electric controller housing, sensor signal plug connector and vehicle body signal plug connector and are arranged in the opposite side of separated time about electric controller housing. Namely with separated time in the left and right of electric controller housing for boundary, two power supply plug-in unit (for forceful electric power) homonymies are arranged, two signal plug connector (for light current) homonymies are arranged, strong, weak electricity is respectively in a wordline arrangement, facilitate assembly to arrange, correspondingly, strong, weak electricity is separated by pcb board, avoid electromagnetic interference, improve the reliability of product further.
Described base is provided above electric capacity mounting groove and relay mounting groove, the electric capacity of described pcb board is placed in electric capacity mounting groove, the relay of pcb board is placed in relay mounting groove, and the bottom of electric capacity and electric capacity mounting groove, and gap is left in the bottom of relay and relay mounting groove; Reduce the whole height of electric controller reserved safe distance.
The beneficial effects of the utility model: base and cover plate are fixed together by press-fiting, in combination with installation gap and installation projection, and four taper support posts, common guarantee base and cover plate press-fit more and more tighter, it is prevented effectively from after press-fiting and occurs not fastening, the quality problems such as weak vibrations; After pcb board and base are positioned by locating dowel, fasten again through screw, it is ensured that fastening is installed, significantly improves reliability and the stability of product quality; The metal-oxide-semiconductor position temperature of pcb board is the highest, sets up heat-conducting seat and thermal trough, is passed by base by the heat that MOS produces in time, while screw fastening, it is ensured that heat-conducting seat contacts with metal-oxide-semiconductor better; Anti-misloading labelling is set up near the position of right relief angle, it is simple to press-fit the placement of front shroud, it is prevented that the situation that cover plate puts back occurs at cover plate top.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the axonometric chart (taking off cover plate) of Fig. 1.
Fig. 5 is the axonometric chart of Fig. 1.
Fig. 6 is the structural representation of base.
Fig. 7 is the upward view of Fig. 6.
Fig. 8 is the rearview of Fig. 6.
Fig. 9 is the A-A sectional view of Fig. 6.
Detailed description of the invention
By the examples below and in conjunction with accompanying drawing, the utility model is described in further detail:
In conjunction with the automobile-used power-assisted steering electric controller preventing over-heat inside shown in Fig. 1 Fig. 5, mainly it is made up of pcb board 1, base 2, cover plate 3, sensor signal plug connector 4, motor power plug connector 5, vehicle body signal plug connector 6 and vehicle body power supply plug-in unit 7.
Circumferential edge along cover plate 3 is provided with the sidewall downwardly extended, with the electric controller housing that base 2 surrounds a rectangle jointly. Pcb board 1 is arranged on base 2, and is positioned at electric controller housing. Sensor signal plug connector 4 and motor power plug connector 5 integrated injection molding, be arranged on the front side wall of cover plate 3. Vehicle body signal plug connector 6 and vehicle body power supply plug-in unit 7 integrated injection molding, be arranged on the rear wall of cover plate 3. Each two plug connector integrated injection molding, arranged apart on forward and backward sidewall, optimize the layout of four plug connectors, simplify number of molds, reduce assembly complexity, saved manufacturing cost, compact conformation, and avoided interference between the line of each plug connector. Preferably, motor power plug connector 5 and vehicle body power supply plug-in unit 7 are arranged in the same side of separated time about electric controller housing, sensor signal plug connector 4 and vehicle body signal plug connector 6 and are arranged in the opposite side of separated time about electric controller housing. Namely strong, weak electricity respectively about electric controller housing in the both sides of separated time be a wordline arrangement, thus avoiding electromagnetic interference.
Such as Fig. 6, shown in Fig. 7, four angle position places above base 2 are integrally formed with up-small and down-big taper support post 21, totally four taper support posts 21, two of which is be provided with locating dowel 24 on the taper support post 21 that diagonal is arranged, integrally formed with heat-conducting seat 25 on base 2, shown in Fig. 4, the metal-oxide-semiconductor (not shown) of pcb board 1 is positioned at position on the right side, middle and upper part, integrally formed with heat-conducting seat 25 on base 2, heat-conducting seat 25 is positioned at the underface of metal-oxide-semiconductor, the top of heat-conducting seat 25 and metal-oxide-semiconductor fit together, the cross section of heat-conducting seat 25 is gradually increased until wide with base 2 in left side, thus forming the heat-conducting seat 25 of a right-angled trapezium shape. pcb board 1 is placed on taper support post 21, and is positioned by two locating dowels 24 through pcb board 1, is fixed on heat-conducting seat 25 in conjunction with screw, heat-conducting seat 25 is provided with screw via.
Left and right sides at base 2 is provided with installation gap 22, and the left and right sidewall of cover plate 3 is provided with installation projection 31 equal with installation gap 22 quantity, that position is corresponding, size is mated. Preferably, arranging an installation gap 22 in the left side of base 2, right side arranges two installation gaps 22; Correspondingly, the left side wall of cover plate 3 arranges one and installs protruding 31, right side wall arranges two and installs protruding 31. It is of course also possible to the left and right sides at base 2 respectively arranges two installation gaps 22, correspondingly, the left and right sidewall of cover plate 3 is respectively arranged two and install protruding 31.
Together with base 2 is fitted in cover plate 3, installing protruding 31 and insert in corresponding installation gap 22, taper support post 21 is positioned at cover plate 3, and makes cover plate 3 and base 2 fasten more and more tighter.
Cover plate 3 top is provided with the anti-misloading labelling 33 of triangle near the position of right relief angle.
Shown in Fig. 6 Fig. 9, the back side of base 2 is provided with the bar shaped thermal trough 26 that some left and right extend, bar shaped thermal trough 26 is through in left and right, heat-conducting seat 25 position, and the degree of depth is gradually increased along with the height of heat-conducting seat 25, partly in order to saving material, on the other hand in order to ensure the air permeability of heat-conducting seat 25 position, it is further ensured that the timely heat radiation of metal-oxide-semiconductor. Bar shaped thermal trough 26 in all the other positions can not left and right through. Bar shaped thermal trough 26 and base 2 integrated die-casting molding, it is preferable that the thickness of base 2 any position must not lower than 4mm, to guarantee the intensity of base 2.
It addition, middle position place, cover plate 3 top is provided with the punching press reinforcement 32 of rectangular ring concave downward, the width L of punching press reinforcement 32 is 5mm.
Shown in Fig. 4, Fig. 6, base 2 is provided above electric capacity mounting groove 28 and relay mounting groove 27, the electric capacity of pcb board 1 is placed in electric capacity mounting groove 28, the relay of pcb board 1 is placed in relay mounting groove 27, and the bottom of electric capacity and electric capacity mounting groove 28, gap is left in the bottom of relay and relay mounting groove 27.
Claims (5)
1. the automobile-used power-assisted steering electric controller preventing over-heat inside, including pcb board (1), base (2) and cover plate (3), circumferential edge along described cover plate (3) is provided with the sidewall downwardly extended, a rectangle electric controller housing is jointly surrounded with base (2), described pcb board (1) is arranged on base (2), and it is positioned at electric controller housing, sensor signal plug connector (4) and motor power plug connector (5) integrated injection molding, be arranged on the front side wall of cover plate (3), vehicle body signal plug connector (6) and vehicle body power supply plug-in unit (7) integrated injection molding, be arranged on the rear wall of cover plate (3), it is characterized in that: four angle position places of described base (2) top are integrally formed with up-small and down-big taper support post (21), two of which is be provided with locating dowel (24) on the taper support post (21) that diagonal is arranged, the metal-oxide-semiconductor of described pcb board (1) is positioned at position on the right side, middle and upper part, integrally formed with heat-conducting seat (25) on base (2), described heat-conducting seat (25) is positioned at the underface of metal-oxide-semiconductor, the top of heat-conducting seat (25) and metal-oxide-semiconductor fit together, the cross section of heat-conducting seat (25) is gradually increased until wide with base (2) in left side, thus forming the heat-conducting seat (25) of a right-angled trapezium shape, described pcb board (1) is placed on taper support post (21), and by two locating dowel (24) location through pcb board (1), it is fixed on heat-conducting seat (25) in conjunction with screw, left and right sides at described base (2) is provided with installation gap (22), and the left and right sidewall of described cover plate (3) is provided with installation protruding (31) equal with installation gap (22) quantity, that position is corresponding, size is mated, described base (2) and cover plate (3) are fitted in together, protruding (31) are installed and insert in corresponding installation gap (22), taper support post (21) is positioned at cover plate (3), and makes cover plate (3) and base (2) fasten more and more tighter, described cover plate (3) top is provided with the anti-misloading labelling (33) of triangle near the position of right relief angle, the back side of described base (2) is provided with the bar shaped thermal trough (26) that some left and right extend, described bar shaped thermal trough (26) is through in heat-conducting seat (25) left and right, position, and the degree of depth is gradually increased along with the height of heat-conducting seat (25).
2. the automobile-used power-assisted steering electric controller preventing over-heat inside described in claim 1, it is characterised in that: the thickness of described base (2) any position must not lower than 4mm.
3. the automobile-used power-assisted steering electric controller preventing over-heat inside described in claim 1, it is characterized in that: described cover plate (3) middle position, top place is provided with the punching press reinforcement (32) of rectangular ring concave downward, and the width L of described punching press reinforcement (32) is 5mm.
4. the automobile-used power-assisted steering electric controller preventing over-heat inside described in claim 1, it is characterized in that: described motor power plug connector (5) and vehicle body power supply plug-in unit (7) are arranged in the same side of separated time about electric controller housing, sensor signal plug connector (4) and vehicle body signal plug connector (6) and are arranged in the opposite side of separated time about electric controller housing.
5. the automobile-used power-assisted steering electric controller preventing over-heat inside described in claim 1, it is characterized in that: described base (2) is provided above electric capacity mounting groove (28) and relay mounting groove (27), the electric capacity of described pcb board (1) is placed in electric capacity mounting groove (28), the relay of pcb board (1) is placed in relay mounting groove (27), and the bottom of electric capacity and electric capacity mounting groove (28), gap is left in the bottom of relay and relay mounting groove (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522932.2U CN205292774U (en) | 2015-07-17 | 2015-07-17 | Prevent inside overheated automatically controlled ware of automobile -used power assisted steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522932.2U CN205292774U (en) | 2015-07-17 | 2015-07-17 | Prevent inside overheated automatically controlled ware of automobile -used power assisted steering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205292774U true CN205292774U (en) | 2016-06-08 |
Family
ID=56463200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520522932.2U Expired - Fee Related CN205292774U (en) | 2015-07-17 | 2015-07-17 | Prevent inside overheated automatically controlled ware of automobile -used power assisted steering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205292774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000060A (en) * | 2015-07-17 | 2015-10-28 | 重庆龙润汽车转向器有限公司 | Automotive power steering electric controller for preventing interior from being overheated |
-
2015
- 2015-07-17 CN CN201520522932.2U patent/CN205292774U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000060A (en) * | 2015-07-17 | 2015-10-28 | 重庆龙润汽车转向器有限公司 | Automotive power steering electric controller for preventing interior from being overheated |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |