CN105059385A - Special electric control box for power steering system - Google Patents
Special electric control box for power steering system Download PDFInfo
- Publication number
- CN105059385A CN105059385A CN201510424390.XA CN201510424390A CN105059385A CN 105059385 A CN105059385 A CN 105059385A CN 201510424390 A CN201510424390 A CN 201510424390A CN 105059385 A CN105059385 A CN 105059385A
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- China
- Prior art keywords
- base
- cover plate
- pcb board
- electric
- controlled box
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Abstract
The invention discloses a special electric control box for a power steering system. The special electric control box comprises a PCB (Printed Circuit Board) board, a base and a cover plate, wherein a conical supporting column and a right-angled trapezoid heat conducting seat are integrally molded above the base; the PCB board is placed on the conical supporting column and located through two locating columns which penetrate through the PCB board; the PCB board is fixed on the heat conducting seat through a bolt; the base and the cover plate are pressed together; a mounting projection is inserted into a corresponding mounting gap; the conical supporting column is positioned in the cover plate and 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 of the cover plate; four upwardly extending cylinders distributed in a rectangular shape are integrally molded on the base; thread mounting blind holes corresponding to the cylinders in both number and position are formed in the back surface of the base; and a plurality of strip-shaped heat conducting slots extending from left to right are formed in the back surface of the base. The special electric control box for the power steering system, disclosed by the invention, is advantaged in that problems that slight shaking exists between the base and the cover plate and between the PCB board and the base after the base, the cover plate and the PCB board are mounted, the local temperature of the PCB board is too high and the cover plate is reversely placed are effectively solved; and the electric power steering controller exerts a dustproof effect.
Description
Technical field
The present invention relates to a kind of electric-controlled box of the electric boosting steering system on automobile, belong to physical construction technical field.
Background technology
Electric power steering electric-controlled box 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 an electric-controlled box housing jointly, and pcb board is arranged on base, and are positioned at electric-controlled box 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; Cover plate is placed on when base press-fits, situation about putting back before and after easily occurring.The left and right sides of base is outward extended with installation journal stirrup, for turning to the installation of electric-controlled box and electric control box bracket, installing journal stirrup and taking up room greatly, increasing 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, and pcb board local temperature is too high, the problem that puts back before and after cover plate, reduces overall dimensions simultaneously, facilitates entire arrangement.
For this reason, the technical solution adopted in the present invention is: a kind of electric-controlled box being exclusively used in servo steering system, 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 electric-controlled box housing is jointly surrounded with base, described pcb board is arranged on base, and be positioned at electric-controlled box 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 metal-oxide-semiconductor of described pcb board is positioned at position on the right side, middle and upper part, one-body molded on base have heat-conducting seat, described heat-conducting seat is positioned at immediately below metal-oxide-semiconductor, top and the metal-oxide-semiconductor of heat-conducting seat fit together, the cross-sectional plane of heat-conducting seat increases until wide with base gradually in left side, thus forms the heat-conducting seat of a right-angled trapezium shape; 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, be provided with installation gap at the left and right sides of described base, the left and right sidewall of described cover plate be provided with equal with installation gap quantity, that position is corresponding, size is mated installation 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 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; 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 increases gradually along with the height of heat-conducting seat.
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 electric-controlled box housing, and sensor signal Connector Clip and vehicle body signal Connector Clip are arranged in the opposite side of separated time about electric-controlled box housing.Namely with separated time in the left and right of electric-controlled box 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 electric-controlled box, 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; The metal-oxide-semiconductor position temperature of pcb board is the highest, sets up heat-conducting seat and thermal trough, 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, electric-controlled box will be turned to be connected with steering gear bracket by screw thread installing blind, and effectively avoid dust to enter and turn in electric-controlled box 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.
Fig. 9 is the back view of Fig. 6.
Figure 10 is the A-A cutaway 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 electric-controlled box being exclusively used in servo 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.
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 electric-controlled box housing of a rectangle with base 2.Pcb board 1 is arranged on base 2, and is positioned at electric-controlled box 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 electric-controlled box housing, and sensor signal Connector Clip 4 and vehicle body signal Connector Clip 6 are arranged in the opposite side of separated time about electric-controlled box housing.Namely strong, weak electricity respectively about electric-controlled box housing in the both sides of separated time be a wordline arrangement, thus avoid electromagnetic interference.
As Fig. 6, shown in Fig. 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, one-body molded on base 2 have heat-conducting seat 25, shown in composition graphs 4, the metal-oxide-semiconductor (not shown) of pcb board 1 is positioned at position on the right side, middle and upper part, one-body molded on base 2 have heat-conducting seat 25, heat-conducting seat 25 is positioned at immediately below metal-oxide-semiconductor, top and the metal-oxide-semiconductor of heat-conducting seat 25 fit together, the cross-sectional plane of heat-conducting seat 25 increases until wide with base 2 gradually in left side, thus form the heat-conducting seat 25 of a right-angled trapezium shape.Pcb board 1 is placed on taper support post 21, and is located by two registration masts 24 through pcb board 1, then is fixed on heat-conducting seat 25 in conjunction with screw, heat-conducting seat 25 is 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 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 electric-controlled box housing.
Shown in composition graphs 6-Figure 10, the back side of base 2 is provided with the bar shaped thermal trough 26 of some left and right extension, bar shaped thermal trough 26 is through in left and right, heat-conducting seat 25 position, and the degree of depth increases gradually along with the height of heat-conducting seat 25, to save material on the one hand, on the other hand in order to ensure the air permeability of heat-conducting seat 25 position, ensure the timely heat radiation of metal-oxide-semiconductor further.Bar shaped thermal trough 26 in all the other positions can not left and right through.Bar shaped thermal trough 26 is shaping with base 2 integrated die-casting, and preferably, the thickness of base 2 any position must not lower than 4mm, to guarantee the intensity of base 2.
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. one kind is exclusively used in the electric-controlled box of servo steering system, 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 electric-controlled box housing is jointly surrounded with base (2), described pcb board (1) is arranged on base (2), and be positioned at electric-controlled box 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 metal-oxide-semiconductor of described pcb board (1) is positioned at position on the right side, middle and upper part, base (2) is above one-body molded heat-conducting seat (25), described heat-conducting seat (25) is positioned at immediately below metal-oxide-semiconductor, top and the metal-oxide-semiconductor of heat-conducting seat (25) fit together, the cross-sectional plane of heat-conducting seat (25) increases until wide with base (2) gradually in left side, thus form 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 registration mast (24) location through pcb board (1), be fixed on heat-conducting seat (25) in conjunction with screw again, be provided with installation gap (22) at the left and right sides of described base (2), the left and right sidewall of described cover plate (3) be provided with equal with installation gap (22) quantity, that position is corresponding, size is mated installation projection (31), 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 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, the back side of described base (2) is provided with the bar shaped thermal trough (26) of some left and right extension, described bar shaped thermal trough (26) is through in heat-conducting seat (25) left and right, position, and the degree of depth increases gradually along with the height of heat-conducting seat (25).
2. according to the electric-controlled box being exclusively used in servo steering system according to claim 1, it is characterized in that: the thickness of described base (2) any position must not lower than 4mm.
3. according to the electric-controlled box being exclusively used in servo 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 electric-controlled box being exclusively used in servo 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 electric-controlled box housing, sensor signal Connector Clip (4) and vehicle body signal Connector Clip (6) are arranged in the opposite side of separated time about electric-controlled box housing.
5. according to the electric-controlled box being exclusively used in servo 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 |
|---|---|---|---|
| CN201510424390.XA CN105059385A (en) | 2015-07-17 | 2015-07-17 | Special electric control box for power steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510424390.XA CN105059385A (en) | 2015-07-17 | 2015-07-17 | Special electric control box for power steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105059385A true CN105059385A (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510424390.XA Pending CN105059385A (en) | 2015-07-17 | 2015-07-17 | Special electric control box for power steering system |
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| CN (1) | CN105059385A (en) |
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| CN101859754A (en) * | 2009-04-02 | 2010-10-13 | 株式会社电装 | Electronic control unit and manufacture method thereof |
| CN201839555U (en) * | 2010-09-17 | 2011-05-18 | 杭州正强电子技术有限公司 | Controller for electric power-assisted steering system |
| 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 |
| CN202175089U (en) * | 2011-07-15 | 2012-03-28 | 范示德汽车技术（上海）有限公司 | Portable steering 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 CN201510424390.XA patent/CN105059385A/en active Pending
Patent Citations (9)
| 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 |
| CN201839555U (en) * | 2010-09-17 | 2011-05-18 | 杭州正强电子技术有限公司 | Controller for electric power-assisted steering system |
| 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 |
| CN202175089U (en) * | 2011-07-15 | 2012-03-28 | 范示德汽车技术（上海）有限公司 | Portable steering controller |
| 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 |
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| PB01 | Publication | ||
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Application publication date: 20151118 |