CN105059376A - Electric power-assisted steering controller in square-box shape - Google Patents
Electric power-assisted steering controller in square-box shape Download PDFInfo
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- CN105059376A CN105059376A CN201510423016.8A CN201510423016A CN105059376A CN 105059376 A CN105059376 A CN 105059376A CN 201510423016 A CN201510423016 A CN 201510423016A CN 105059376 A CN105059376 A CN 105059376A
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- base
- cover plate
- pcb
- pcb board
- steering controller
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Abstract
The invention discloses an electric power-assisted steering controller in a square-box shape. The electric power-assisted steering controller comprises a PCB, a base and a cover board, wherein tapered supporting columns and a heat conducting seat are integrally formed on the base; the PCB is placed on the tapered supporting columns, positioned through two positioning columns penetrating through the PCB, and is fixed on the heat conducting seat through screws in a combining manner; the two positioning columns have different cross sections; the base and the cover board are pressed together; mounting bulges are inserted in corresponding mounting notches; the tapered supporting columns are positioned in the cover board, and the cover board and the base are buckled more and more tightly through the tapered supporting columns; four circular columns which are distributed in a rectangular shape and extend upwards are integrally formed on the base; a plurality of thread mounting blind holes corresponding to the the circular columns in position are formed in the back of the base, wherein the number of the thread mounting blind holes is the same as that of the circular columns. Through the adoption of the structure, the phenomena that the base and the cover board slightly swing after being mounted, the PCB and the base slightly swing after being mounted can be effectively avoided, and the problem that the local temperature of the PCB is too high is solved; the PCB can be prevented from being arranged inversely in the fore-and-aft direction; the electric power-assisted steering controller has a dust preventing 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, 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; 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.
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, to put back before and after pcb board, and the problem that pcb board local temperature is too high, reduce overall dimensions simultaneously, facilitate entire arrangement.
For this reason, the technical solution adopted in the present invention is: a kind of square box shaped electric booster steering controller, comprise pcb board, base and cover plate, described base and cover plate are by aluminum alloy injection mo(u)lding, and the 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 being 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, 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, 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; 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:
Square box shaped electric booster steering controller 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.
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.
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, the left and right sides of base 2 is respectively provided with two installation gaps 22, correspondingly, the left and right sidewall of cover plate 3 respectively arranges two and installs protruding 31.Certainly, also can be that the left side of base 2 arranges an installation gap 22, 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.
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.
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 (5)
1. a square box shaped electric booster steering controller, 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, 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, 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. according to square box shaped electric booster steering controller according to claim 1, it is characterized in that: the left and right sides of described base (2) is respectively provided with two installation gaps (22), correspondingly, the left and right sidewall of cover plate (3) is respectively provided with two to install protruding (31).
3. according to square box shaped electric booster steering controller 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 square box shaped electric booster steering controller 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 square box shaped electric booster steering controller 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 |
|---|---|---|---|
| CN201510423016.8A CN105059376A (en) | 2015-07-17 | 2015-07-17 | Electric power-assisted steering controller in square-box shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423016.8A CN105059376A (en) | 2015-07-17 | 2015-07-17 | Electric power-assisted steering controller in square-box shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105059376A true CN105059376A (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510423016.8A Pending CN105059376A (en) | 2015-07-17 | 2015-07-17 | Electric power-assisted steering controller in square-box shape |
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| Country | Link |
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| CN (1) | CN105059376A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971100A (en) * | 2018-09-28 | 2020-04-07 | 日本电产三协株式会社 | Actuator and haptic device |
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| CN2717175Y (en) * | 2004-03-23 | 2005-08-10 | 华为技术有限公司 | Water-proof apparatus |
| CN201479518U (en) * | 2009-07-06 | 2010-05-19 | 江苏友奥电器有限公司 | Fixing post used for fixing circuit board and metal case |
| 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 |
| 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 |
| CN205203101U (en) * | 2015-07-17 | 2016-05-04 | 重庆龙润汽车转向器有限公司 | Square box -like electric power steering controller |
-
2015
- 2015-07-17 CN CN201510423016.8A patent/CN105059376A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2717175Y (en) * | 2004-03-23 | 2005-08-10 | 华为技术有限公司 | Water-proof apparatus |
| CN101859754A (en) * | 2009-04-02 | 2010-10-13 | 株式会社电装 | Electronic control unit and manufacture method thereof |
| CN201479518U (en) * | 2009-07-06 | 2010-05-19 | 江苏友奥电器有限公司 | Fixing post used for fixing circuit board and metal case |
| 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 |
| 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 |
| CN205203101U (en) * | 2015-07-17 | 2016-05-04 | 重庆龙润汽车转向器有限公司 | Square box -like electric power steering controller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971100A (en) * | 2018-09-28 | 2020-04-07 | 日本电产三协株式会社 | Actuator and haptic device |
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Application publication date: 20151118 |
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| RJ01 | Rejection of invention patent application after publication |