CN105059384A - Special electric power steering controller for limited mounting space - Google Patents
Special electric power steering controller for limited mounting space Download PDFInfo
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- CN105059384A CN105059384A CN201510423805.1A CN201510423805A CN105059384A CN 105059384 A CN105059384 A CN 105059384A CN 201510423805 A CN201510423805 A CN 201510423805A CN 105059384 A CN105059384 A CN 105059384A
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- cover plate
- base
- pcb
- steering controller
- pcb board
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Abstract
The invention discloses a special electric power steering controller for a limited mounting space. The special electric power steering controller comprises a PCB (Printed Circuit Board), a base and a cover plate, wherein a conical supporting column and a heat conducting seat are integrally molded above the base; the PCB is placed on the conical supporting column, located through two locating columns which runs through the PCB and fixed on the heat conducting seat through a bolt; the cross sections of the two locating columns are different; the base and the cover plate are pressed together; the conical supporting column is positioned in the cover plate; the cover plate and the base are buckled in an increasingly tighter way; a triangular mounting error preventing mark is arranged at the top of the cover plate close to the right rear corner; four upwardly extending cylinders distributed in the form of a rectangle are integrally molded on the base; and thread mounting blind holes with the number equal to that of the cylinders and corresponding to the cylinders in position are formed in the back face of the base. The special electric power steering controller for the limited mounting space, disclosed by the invention, is advantaged in that problems that slight shaking exists between the base and the cover plate and between the PCB and the base after the base, the cover plate and the PCB are mounted, the local temperature of the PCB is too high and the cover plate and the PCB are reversed are effectively solved; and the special electric power steering controller exerts a dustproof effect.
Description
Technical field
The present invention relates to a kind of electric booster steering controller on automobile, belong to physical construction technical field.
Background technology
Electric booster steering controller is requisite component part in Electric Power Steering Control System, is made up of pcb board, base, cover plate and Connector Clip.Cover plate and base surround a controller housing jointly, and pcb board is arranged on base, and is positioned at controller housing.Connector Clip totally four, be respectively motor power Connector Clip, sensor signal Connector Clip, vehicle body power supply plug-in unit and vehicle body signal Connector Clip, four Connector Clips 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 and occur press-fiting not fastening, and the installation between pcb board and base is unreliable, there is the problems such as weak vibrations, have impact on reliability and the stability of product design; The bottom of pcb board is provided with metal-oxide-semiconductor, leaves gap between metal-oxide-semiconductor and base, cannot carry out heat transfer, and cause the position temperature of installing metal-oxide-semiconductor higher, the heat radiation of pcb board is bad; The situation that pcb board puts back before and after easily occurring on base, is placed on when base press-fits, situation about putting back before and after easily occurring by cover plate.The left and right sides of base is outward extended with installation journal stirrup, for the installation of steering controller and controller support, installs journal stirrup and takes up room greatly, increase contour dimension, be not easy to entire arrangement, and especially installing space has and prescribes a time limit, and limitation is very large.
Summary of the invention
The present invention is intended to solve between base and cover plate, install between pcb board and base after there is weak vibrations, and pcb board local temperature is too high, the problem put back before and after cover plate, pcb board, reduces overall dimensions simultaneously, facilitating entire arrangement, being particularly suitable for installing space by using in limited time.
For this reason, the technical solution adopted in the present invention is: be a kind ofly exclusively used in the limited electric booster steering controller of installing space, comprise pcb board, base and cover plate, described base and cover plate are by aluminum alloy injection mo(u)lding, circumferential edge along described cover plate is provided with the sidewall to downward-extension, a rectangle controller housing is jointly surrounded with base, described pcb board is arranged on base, and be positioned at controller housing, sensor signal Connector Clip and motor power Connector Clip integrated injection molding, be arranged on the front side wall of cover plate, vehicle body signal Connector Clip 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 one-body molded up-small and down-big taper support post, wherein two taper support posts arranged in diagonal line are provided with registration mast, the cross-sectional plane of one of them registration mast is circular, the cross-sectional plane of another registration mast is oval, one-body molded on base have heat-conducting seat, fit together with metal-oxide-semiconductor immediately below the metal-oxide-semiconductor that described heat-conducting seat is positioned at pcb board, described pcb board is placed on taper support post, and by two registration mast location through pcb board, be fixed on heat-conducting seat in conjunction with screw again, together with described base is fitted in cover plate, taper support post is positioned at cover plate, and make cover plate and base fasten more and more tighter, described cover plate top is provided with leg-of-mutton anti-misloading mark near the position at right back angle, on described base, the one-body molded cylinder upwards extended having four rectangular distributions, leaves gap between the top of cylinder and pcb board, and the back side of base is provided with equal with cylinder quantity, that position is corresponding screw thread installing blind.
Preferred as such scheme, middle position place, described cover plate top is provided with rectangular ring and to the punching press reinforced rib of lower recess, the width L of described punching press reinforced rib is 5mm; By setting up reinforced rib, improve the intensity of cover plate, simultaneously when cover plate is collided, cover plate has certain deflection, energy damp impacts, and protection pcb board is not damaged.
Further, described motor power Connector Clip and vehicle body power supply plug-in unit are arranged in the same side of separated time about controller housing, and sensor signal Connector Clip and vehicle body signal Connector Clip are arranged in the opposite side of separated time about controller housing.Namely with separated time in the left and right of controller housing for boundary, two power supply plug-in unit (for forceful electric power) homonymies are arranged, two signal Connector Clip (for light current) homonymies are arranged, strong, weak electricity is respectively in a wordline arrangement, facilitate assembly to arrange, correspondingly, strong, weak electricity separates by pcb board, avoid electromagnetic interference, improve the reliability of product further.
Electric capacity mounting groove and relay mounting groove is provided with above described base, the electric capacity of described PCB is placed in electric capacity mounting groove, the relay of PCB is placed in relay mounting groove, and the bottom of electric capacity and electric capacity mounting groove, gap is left in the bottom of relay and relay mounting groove; Reduce the whole height of controller, and reserved safety distance.
Beneficial effect of the present invention: base and cover plate are fixed together by press-fiting, four taper support post common guarantee base and cover plate press-fit more and more tighter, effectively avoid press-fiting rear appearance not fastening, the quality problems such as weak vibrations; After pcb board and base are located by registration mast, then by screw fastening, ensure that installation is fastening, significantly improve reliability and the stability of product design, and prevent situation about putting back before and after pcb board from occurring by the registration mast location of different cross section; The metal-oxide-semiconductor position temperature of pcb board is the highest, sets up heat-conducting seat, is passed by the heat that MOS produces in time, while screw fastening, ensure that heat-conducting seat contacts with metal-oxide-semiconductor better by base; Set up anti-misloading mark at cover plate top near the position at right back angle, be convenient to the placement press-fiting front shroud, prevent the situation that cover plate puts back; Base is set up cylinder for beating screw thread installing blind, to increase the degree of depth of screw thread installing blind, by screw thread installing blind, steering controller is connected with steering gear bracket, effectively avoids dust to enter in steering controller housing, reduce overall profile size simultaneously, be convenient to entire arrangement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the birds-eye view of Fig. 1.
Fig. 4 is the block diagram (taking off cover plate) of Fig. 1.
Fig. 5 is the block diagram of Fig. 1.
Fig. 6 is the structural representation of base.
Fig. 7 is the birds-eye view of Fig. 6.
Fig. 8 is the left view of Fig. 6.
Detailed description of the invention
Below by embodiment also by reference to the accompanying drawings, the invention will be further described:
Be exclusively used in the limited electric booster steering controller of installing space shown in composition graphs 1-Fig. 5, form primarily of pcb board 1, base 2, cover plate 3, sensor signal Connector Clip 4, motor power Connector Clip 5, vehicle body signal Connector Clip 6 and vehicle body power supply plug-in unit 7.
Base 2 and cover plate 3 are by aluminum alloy injection mo(u)lding, and the circumferential edge along cover plate 3 is provided with the sidewall to downward-extension, jointly surround the controller housing of a rectangle with base 2.Pcb board 1 is arranged on base 2, and is positioned at controller housing.Sensor signal Connector Clip 4 and motor power Connector Clip 5 integrated injection molding, be arranged on the front side wall of cover plate 3.Vehicle body signal Connector Clip 6 and vehicle body power supply plug-in unit 7 integrated injection molding, be arranged on the rear wall of cover plate 3.Every two Connector Clip integrated injection moldings, arranged apart on forward and backward sidewall, optimize the layout of four Connector Clips, simplify number of molds, reduce assembly complexity, saved manufacturing cost, compact conformation, and disturb between the line avoiding each Connector Clip.Preferably, motor power Connector Clip 5 and vehicle body power supply plug-in unit 7 are arranged in the same side of separated time about controller housing, and sensor signal Connector Clip 4 and vehicle body signal Connector Clip 6 are arranged in the opposite side of separated time about controller housing.Namely strong, weak electricity respectively about controller housing in the both sides of separated time be a wordline arrangement, thus avoid electromagnetic interference.
As shown in Figure 6, Figure 7, four angle position places above base 2 are one-body molded up-small and down-big taper support post 21, totally four taper support posts 21, wherein two taper support posts 21 arranged in diagonal line are provided with registration mast 24, the cross-sectional plane of one of them registration mast 24 is circular, and the cross-sectional plane of another registration mast 24 is oval.The cross-sectional plane of two registration masts 24 is different, has anti-misloading function.One-body molded on base 2 have heat-conducting seat 25, shown in composition graphs 4, fit together with metal-oxide-semiconductor immediately below the metal-oxide-semiconductor that heat-conducting seat 25 is positioned at pcb board 1, pcb board 1 is placed on taper support post 21, and located by two registration masts 24 through pcb board 1, be fixed on heat-conducting seat 25 in conjunction with screw again, heat-conducting seat 25 be provided with screw via hole.
Together with base 2 is fitted in cover plate 3, 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 leg-of-mutton anti-misloading mark 33 near the position at right back angle.
In addition, middle position place, cover plate 3 top is provided with rectangular ring and to the punching press reinforced rib 32 of lower recess, the width L of punching press reinforced rib 32 is 5mm.
Shown in composition graphs 6-Fig. 8, the one-body molded cylinder 23 upwards extended having four rectangular distributions on base 2, leave gap between the top of cylinder 23 and pcb board 1, namely the height of cylinder 23 is less than the height of taper support post 21.The back side of base 2 is provided with equal with cylinder 23 quantity, that position is corresponding screw thread installing blind, cylinder 23 is beaten screw thread installing blind, can ensure the degree of depth of screw thread installing blind, dust can be avoided again to fall in controller housing.
Shown in composition graphs 4, Fig. 6, electric capacity mounting groove 26 and relay mounting groove 27 is provided with above base 2, the electric capacity of pcb board 1 is placed in electric capacity mounting groove 26, the relay of pcb board 1 is placed in relay mounting groove 27, and the bottom of electric capacity and electric capacity mounting groove 26, gap is left in the bottom of relay and relay mounting groove 27.
Claims (4)
1. one kind is exclusively used in the limited electric booster steering controller of installing space, comprise pcb board (1), base (2) and cover plate (3), described base (2) and cover plate (3) are by aluminum alloy injection mo(u)lding, circumferential edge along described cover plate (3) is provided with the sidewall to downward-extension, a rectangle controller housing is jointly surrounded with base (2), described pcb board (1) is arranged on base (2), and be positioned at controller housing, sensor signal Connector Clip (4) and motor power Connector Clip (5) integrated injection molding, be arranged on the front side wall of cover plate (3), vehicle body signal Connector Clip (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 one-body molded up-small and down-big taper support post (21), wherein two taper support posts (21) arranged in diagonal line are provided with registration mast (24), the cross-sectional plane of one of them registration mast (24) is circular, the cross-sectional plane of another registration mast (24) is oval, base (2) is above one-body molded heat-conducting seat (25), fit together with metal-oxide-semiconductor immediately below the metal-oxide-semiconductor that described heat-conducting seat (25) is positioned at pcb board (1), described pcb board (1) is placed on taper support post (21), and by two registration mast (24) location through pcb board (1), be fixed on heat-conducting seat (25) in conjunction with screw again, described base (2) and cover plate (3) are fitted in together, taper support post (21) is positioned at cover plate (3), and make cover plate (3) and base (2) fasten more and more tighter, described cover plate (3) top is provided with leg-of-mutton anti-misloading mark (33) near the position at right back angle, the upper one-body molded cylinder (23) upwards extended having four rectangular distributions of described base (2), leave gap between the top of cylinder (23) and pcb board (1), the back side of base (2) is provided with equal with cylinder (23) quantity, that position is corresponding screw thread installing blind.
2. be exclusively used in the limited electric booster steering controller of installing space according to according to claim 1, it is characterized in that: described cover plate (3) middle position, top place is provided with rectangular ring and to the punching press reinforced rib (32) of lower recess, the width L of described punching press reinforced rib (32) is 5mm.
3. be exclusively used in the limited electric booster steering controller of installing space according to according to claim 1, it is characterized in that: described motor power Connector Clip (5) and vehicle body power supply plug-in unit (7) are arranged in the same side of separated time about controller housing, sensor signal Connector Clip (4) and vehicle body signal Connector Clip (6) are arranged in the opposite side of separated time about controller housing.
4. be exclusively used in the limited electric booster steering controller of installing space according to according to claim 1, it is characterized in that: described base (2) top is provided with electric capacity mounting groove (26) and relay mounting groove (27), the electric capacity of described PCB (1) is placed in electric capacity mounting groove (26), the relay of PCB (1) is placed in relay mounting groove (27), and the bottom of electric capacity and electric capacity mounting groove (26), gap is left in the bottom of relay and relay mounting groove (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423805.1A CN105059384A (en) | 2015-07-17 | 2015-07-17 | Special electric power steering controller for limited mounting space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423805.1A CN105059384A (en) | 2015-07-17 | 2015-07-17 | Special electric power steering controller for limited mounting space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105059384A true CN105059384A (en) | 2015-11-18 |
Family
ID=54488984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510423805.1A Pending CN105059384A (en) | 2015-07-17 | 2015-07-17 | Special electric power steering controller for limited mounting space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105059384A (en) |
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2015
- 2015-07-17 CN CN201510423805.1A patent/CN105059384A/en active Pending
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |
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| RJ01 | Rejection of invention patent application after publication |