CN105172882A - Controller for electric power steering system - Google Patents
Controller for electric power steering system Download PDFInfo
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- CN105172882A CN105172882A CN201510423324.0A CN201510423324A CN105172882A CN 105172882 A CN105172882 A CN 105172882A CN 201510423324 A CN201510423324 A CN 201510423324A CN 105172882 A CN105172882 A CN 105172882A
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- cover plate
- base
- controller
- pcb
- pcb board
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Abstract
The invention discloses a controller for an electric power steering system. The controller comprises a printed circuit board (PCB), a base and a cover plate. Tapered support columns and a heat-conducting seat are integrally formed on the base. The PCB is disposed on the tapered support columns and located through two locating columns penetrating through the PCB, and the PCB is fixed to the heat-conducting seat by the combination with screws. Cross sections of the two locating columns are different. Mounting notches are formed in each of the left side and the right side of the base, and mounting protrusions which are identical to the mounting notches in number, correspond to the mounting notches in position and are matched with the mounting notches in size are arranged on each of the left side wall and the right side wall of the cover plate. The base and the cover plate are arranged together in a press fit mode. The mounting protrusions are inserted into the corresponding mounting notches, the tapered support columns are disposed in the cover plate, the cover plate and the base are made to be fastened tighter and tighter, and a circular mistaken-mounting prevention mark is arranged at the position, close to the front left corner, of the top of the cover plate. By means of the structure of the controller, the problems of slight shaking between the base and the cover plate as well as between the PCB and the base after mounting and too high local temperature of the PCB are effectively solved, and the PCB and the cover plate are prevented from being put reversely.
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, 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 situation that pcb board puts back before and after easily occurring on base; 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; Cover plate is placed on when base press-fits, situation about putting back before and after easily occurring.
Summary of the invention
The present invention is intended to solve between base and cover plate, there is weak vibrations, and pcb board local temperature is too high, the problem put back before and after pcb board, cover plate between pcb board and base after installing.
For this reason, the technical solution adopted in the present invention is: a kind of controller of electric boosting steering system, comprise pcb board, base and cover plate, circumferential edge along described cover plate is provided with the sidewall to downward-extension, jointly surround a rectangle controller housing with base, described pcb board is arranged on base, and is 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, installation gap is provided with at the left and right sides of described base, the left and right sidewall of described cover plate is provided with equal with installation gap quantity, position is corresponding, the installation of size coupling is protruding, together with described base is fitted in cover plate, install protruding insertion 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 circular anti-misloading mark near the position of left-front corner.
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, simultaneously protruding in conjunction with installation gap and installation, and four taper support posts, 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 of left-front corner, be convenient to the placement press-fiting front shroud, prevent the situation that cover plate puts back.
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 upward 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:
The controller of the electric boosting steering system shown in composition graphs 1-Fig. 5, forms 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.
Circumferential edge along cover plate 3 is provided with the sidewall to downward-extension, jointly surrounds 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.
Be provided with installation gap 22 at the left and right sides of base 2, the left and right sidewall of cover plate 3 be provided with equal with installation gap 22 quantity, that position is corresponding, size is mated installation projection 31.Preferably, arrange 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 is arranged two and install protruding 31.Certainly, also two installation gaps 22 can be respectively set at the left and right sides of base 2, correspondingly, the left and right sidewall of cover plate 3 respectively arrange two and installs protruding 31.
Together with base 2 is fitted in cover plate 3, install 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 circular anti-misloading mark 33 near the position of left-front corner.
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 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 (5)
1. the controller of an electric boosting steering system, comprise pcb board (1), base (2) and cover plate (3), 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, installation gap (22) is provided with at the left and right sides of described base (2), the left and right sidewall of described cover plate (3) is provided with equal with installation gap (22) quantity, position is corresponding, the installation projection (31) of size coupling, described base (2) and cover plate (3) are fitted in together, installing protruding (31) inserts 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 circular anti-misloading mark (33) near the position of left-front corner.
2. according to the controller of electric boosting steering system according to claim 1, it is characterized in that: the left side of described base (2) is provided with an installation gap (22), and right side is provided with two installation gaps (22); Correspondingly, the left side wall of cover plate (3) is provided with one and installs protruding (31), right side wall is provided with two and installs protruding (31).
3. according to the controller of electric boosting steering system 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.
4. according to the controller of electric boosting steering system 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.
5. according to the controller of electric boosting steering system 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 |
|---|---|---|---|
| CN201510423324.0A CN105172882A (en) | 2015-07-17 | 2015-07-17 | Controller for electric power steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423324.0A CN105172882A (en) | 2015-07-17 | 2015-07-17 | Controller for electric power steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105172882A true CN105172882A (en) | 2015-12-23 |
Family
ID=54895474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510423324.0A Pending CN105172882A (en) | 2015-07-17 | 2015-07-17 | Controller for electric power steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105172882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874107A (en) * | 2020-07-15 | 2020-11-03 | 苏州同捷汽车工程技术股份有限公司 | A flap mounting structure that charges for automobile body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859754A (en) * | 2009-04-02 | 2010-10-13 | 株式会社电装 | Electronic control unit and manufacture method thereof |
| CN202172544U (en) * | 2011-08-12 | 2012-03-21 | 上海联盛汽车电子有限公司 | Mechanical structure for automotive controller |
| CN103153754A (en) * | 2010-10-27 | 2013-06-12 | 三菱电机株式会社 | Device for controlling drive of motor for electric power steering device |
| KR20140035562A (en) * | 2012-09-14 | 2014-03-24 | 현대모비스 주식회사 | Electronic control unit for motor driven power steering device |
| CN104023491A (en) * | 2014-05-30 | 2014-09-03 | 重庆龙润汽车转向器有限公司 | Electric power-assisted steering controller steering controller housing assembly for preventing line interference |
-
2015
- 2015-07-17 CN CN201510423324.0A patent/CN105172882A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859754A (en) * | 2009-04-02 | 2010-10-13 | 株式会社电装 | Electronic control unit and manufacture method thereof |
| CN103153754A (en) * | 2010-10-27 | 2013-06-12 | 三菱电机株式会社 | Device for controlling drive of motor for electric power steering device |
| CN202172544U (en) * | 2011-08-12 | 2012-03-21 | 上海联盛汽车电子有限公司 | Mechanical structure for automotive controller |
| KR20140035562A (en) * | 2012-09-14 | 2014-03-24 | 현대모비스 주식회사 | Electronic control unit for motor driven power steering device |
| CN104023491A (en) * | 2014-05-30 | 2014-09-03 | 重庆龙润汽车转向器有限公司 | Electric power-assisted steering controller steering controller housing assembly for preventing line interference |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874107A (en) * | 2020-07-15 | 2020-11-03 | 苏州同捷汽车工程技术股份有限公司 | A flap mounting structure that charges for automobile body |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |
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| RJ01 | Rejection of invention patent application after publication |