CN101596868B - Method and device for driving electronic brake in automotive wire control braking system - Google Patents
Method and device for driving electronic brake in automotive wire control braking system Download PDFInfo
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- CN101596868B CN101596868B CN2009101468003A CN200910146800A CN101596868B CN 101596868 B CN101596868 B CN 101596868B CN 2009101468003 A CN2009101468003 A CN 2009101468003A CN 200910146800 A CN200910146800 A CN 200910146800A CN 101596868 B CN101596868 B CN 101596868B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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Abstract
The invention relates to a method and a device for driving an electronic brake in an automotive wire control braking system, which has simple structure and good transmission effect. The method and the device for driving the electronic brake in the automotive wire control braking system are characterized in that a brake motor drives a screw nut of a ball screw to rotate through a speed-reducing mechanism, the ball screw is driven to do linear movement by the rotation of the screw nut, so that a brake cylinder connected with the ball screw is driven to do back and forth movement to realize braking or brake release.
Description
Technical field
The present invention relates to the drive method and the device of electronic brake in a kind of automobile line control brake system.
Background technology
Traditional braking system comprises that hydraulic efficiency pressure system (generation braking energy), control system (produce braking maneuver, the control brake effect, as brake treadle mechanism etc.), driving device is (with brake-force transmission each parts to drg, as master brake cylinder, wheel cylinder and hydraulic tubing) and drg (finish the parts of brake action, as brake disc, braking hub, brake shoe brake cheek etc.), the brake system on the modern automobile also comprises force aid system, device to apply correction to braking force (various valve body) and warning device etc.Different with traditional brake system, brake-by-wire drives brake actuating mechanism with electronic component instead of part mechanical element by braking motor, becomes the brake system of electromechanical integration.
Summary of the invention
Goal of the invention of the present invention is to provide the drive method and the device of electronic brake in a kind of automobile line control brake system, and is simple in structure, transmission is effective.
The present invention is based on same inventive concept, have two independent technique schemes:
1, the drive method of electronic brake in a kind of automobile line control brake system, it is characterized in that: braking motor rotates through the nut that speed reduction gearing drives ball-screw, rotate the drive ball-screw by nut and do straight-line motion, thereby promote to do forward and backward motion with ball-screw bonded assembly brake cylinder piston body, realization brake or pine are stopped.
2, a kind of device of realizing electronic brake drive method in the aforementioned automobile line control brake system, has braking motor, it is characterized in that: have and brake cylinder piston body bonded assembly ball screw, also have the nut that matches with ball-screw, this nut is driven through speed reduction gearing by braking motor.
The beneficial effect that the present invention has:
Running part simplicity of design of the present invention is reasonable, and transmission performance is reliable, transmission is effective.
1) element and more low-cost still less
The assembly that design reduces comprises hydraulic line, brake cylinder, brake boost or ABS control unit, has reduced the weight of total system, has simplified service, has improved reliability and has increased safety.Owing to abandoned whole hydraulic efficiency pressure system, whole brake system can be integrated among the automobile more economically, and the cancellation hydraulic brake system also helps to reduce the influence of automobile to environment;
2) size identical property of each brake control power is good, can guarantee safe Parking in gradient scope of design fully;
3) by DC machine being taked different control policies, can realize other function, for example: by the number of turns of control DC machine return, can freely carry out micro-manipulation, thereby realize clearance self-regulating to brake clearance;
4) emergency brake ground braking force is provided by DC machine, this moment, DC machine ground output torque can adopt brake pedal control, brake pedal is stepped on deeply more, the output torque of DC machine is big more, the braking gripping power is also big more, so just can realize gradual braking, meet the braking custom of chaufeur more.
Description of drawings
Accompanying drawing is a transmission device structural representation of the present invention.
The specific embodiment
As shown in the figure, the present invention includes: bearing 1, high speed miniature gears 2, first order cylindrical wheel (high speed big gear wheel) 3,12V DC injection braking motor 4, low speed pinion 5, bearing 6, bearing 7, tie bolt 8, second stage cylindrical wheel (low speed big gear wheel) 9, ball-screw 10.
As shown in the figure, have and brake cylinder piston body bonded assembly ball screw 10, also have the nut that matches with ball-screw, this nut is driven through speed reduction gearing by braking motor 4.
Said speed reduction gearing is made up of the two-stage cylindrical wheel.First order cylindrical wheel 3 and high speed miniature gears 2 engagements that are contained on the deceleration of electrons motor shaft; The nut that second stage cylindrical wheel 9 drives ball-screw rotates.
In brake process, by brake pedal brake signal is transferred to the EMB controller, again by EMB controller braking motor 4, the output torque of braking motor 4 is delivered on the nut of ball-screw 10 after gear 2,3,5,9 slows down, rotating drive ball-screw 10 by nut is done straight-line motion, thereby promote to move forward and backward function that realization is braked and pine is stopped with ball screw 10 bonded assembly brake cylinder piston bodies.
Claims (2)
1. the drive method of electronic brake in the automobile line control brake system, it is characterized in that: braking motor rotates through the nut that speed reduction gearing drives ball-screw, rotate the drive ball-screw by nut and do straight-line motion, thereby promote to do forward and backward motion with ball-screw bonded assembly brake cylinder piston body, realization brake or pine are stopped; Said speed reduction gearing is made up of the two-stage cylindrical wheel; First order cylindrical wheel and the gear mesh that is contained on the braking motor axle; The nut that second stage cylindrical wheel drives ball-screw rotates.
2. device of realizing electronic brake drive method in claim 1 automobile line control brake system, has braking motor, it is characterized in that: have and brake cylinder piston body bonded assembly ball screw, also have the nut that matches with ball-screw, this nut is driven through speed reduction gearing by braking motor; Said speed reduction gearing is made up of the two-stage cylindrical wheel; First order cylindrical wheel and the gear mesh that is contained on the deceleration of electrons motor shaft; The nut that second stage cylindrical wheel drives ball-screw rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101468003A CN101596868B (en) | 2009-07-03 | 2009-07-03 | Method and device for driving electronic brake in automotive wire control braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101468003A CN101596868B (en) | 2009-07-03 | 2009-07-03 | Method and device for driving electronic brake in automotive wire control braking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101596868A CN101596868A (en) | 2009-12-09 |
| CN101596868B true CN101596868B (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101468003A Active CN101596868B (en) | 2009-07-03 | 2009-07-03 | Method and device for driving electronic brake in automotive wire control braking system |
Country Status (1)
| Country | Link |
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| CN (1) | CN101596868B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163886B (en) * | 2013-04-08 | 2016-04-13 | 合肥中科自动控制系统有限公司 | A kind of servomechanism of intelligent vehicle and control method |
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2009
- 2009-07-03 CN CN2009101468003A patent/CN101596868B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101596868A (en) | 2009-12-09 |
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Effective date of registration: 20190802 Address after: 241000 No. 8 Building, Science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee after: CHERY COMMERCIAL VEHICLES (ANHUI) CO., LTD. Address before: 241006 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Patentee before: Saic Chery Automobile Co., Ltd. |
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| TR01 | Transfer of patent right |