CN203318396U - Electromechanical brake system - Google Patents
Electromechanical brake system Download PDFInfo
- Publication number
- CN203318396U CN203318396U CN2013203847097U CN201320384709U CN203318396U CN 203318396 U CN203318396 U CN 203318396U CN 2013203847097 U CN2013203847097 U CN 2013203847097U CN 201320384709 U CN201320384709 U CN 201320384709U CN 203318396 U CN203318396 U CN 203318396U
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- brake
- braking system
- motor
- automatically controlled
- pedal
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Abstract
The utility model discloses an electromechanical brake system. The electromechanical brake system comprises a brake pedal, an electronic control unit (ECU.), a power source, a motor, a planet speed reducing mechanism, a ball screw mechanism, a force-amplifier, a brake disc and a brake caliper body, wherein turning torque generated by the motor is transmitted by the planet speed reducing mechanism, the ball screw mechanism and the force-amplifier and finally drives the brake caliper body to clamp the brake disc; and the electromechanical brake system also comprises a pedal angle transducer which is arranged at an adapter coupling part of the brake pedal, wherein the pedal angle transducer is respectively connected to the electronic control unit and a controller local area network, and the electronic control unit is connected to the power source of the motor. The electromechanical brake system has the advantages that the action time of a brake is greatly shortened, and further the braking distance is effectively shortened; meanwhile, occupied space is reduced, and the flexibility of data line arrangement is great; a hydraulic system is not needed, so that the energy consumption is reduced; and the electromechanical brake system is suitable for pure electric vehicles.
Description
Technical field
The utility model relates to the automobile brake technical field, especially relates to a kind of electromechanical braking system.
Background technology
Along with the development of Eltec, Eltec has also penetrated into brake system, i.e. deceleration of electrons technology, and brake system is being played the part of vital role at the secure context of automobile.
The brake mode of traditional hydraulic brake system and sensitivity closely can not meet the pursuit of modern to automobile well, its drg volume is large, takes up room large, there is no dimensionally great optimization space, and braking force can not uniform distribution, can not adapt to the variation of different road conditions.
Electric mechanical braking (Electronic and mechanical braking system, electromechanical braking system) refer to the technology that is realized automobile brake by electronic control mode, replace original traditional hydraulic servo brake device to be arranged on automobile brake disc, traditional brake mode has been advanced to major step.
Electric mechanical braking adopts the CAN line to carry out data receiver and feedback, can greatly reduce size, and the collection of the information by each sensor, can feed back change by ECU, each road conditions of the fine adaptation of energy.
The utility model content
For realizing the braking electromechanization, technical problem to be solved in the utility model be to provide a kind of take up room little, easy to maintenance and can improve the electromechanical braking system of vehicle active safety and stability.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of electromechanical braking system, comprise brake pedal, automatically controlled ECU, power supply, motor, planetary gear speed reducing mechanism, ball wire rod mechanism, force-increasing mechanism, brake disc, braking clamp body, planetary gear speed reducing mechanism is passed through in the torque that described motor produces, ball wire rod mechanism, force-increasing mechanism transmits, the final braking clamp body that drives clamps brake disc, described electromechanical braking system also comprises the pedal angle sensor, described pedal angle installation of sensors is in switching place of brake pedal, the pedal angle sensor is connected with controller local area network with automatically controlled ECU respectively, automatically controlled ECU is connected with the power supply of motor.
Described electromechanical braking system also comprises anti-lock mechanism, and described anti-lock mechanism is the electromagnet be connected with automatically controlled ECU, and electromagnet fixedly is located on a gear, and this gear is corresponding with the rotor outside external toothing of motor.
Described electromechanical braking system also comprises pressure, wheel speed and car speed sensor, and pressure, wheel speed and car speed sensor are connected with automatically controlled ECU.
The external toothing that the center gear of described planetary gear speed reducing mechanism is the rotor inboard, the push rod of planetary wheel carrier mouth aligns in the same way with the rotor center shaft.
Described braking clamp body comprises inboard brake clamp and outside hung brake pincers, between inboard brake clamp and outside hung brake pincers, by swivel, link, inboard brake clamp one side is corresponding with force-increasing mechanism, on inboard brake clamp opposite side, corresponding rotation body one end is provided with bump mechanism, and the swivel other end is corresponding with the outside hung brake pincers.
Described pedal angle sensor adopts induction type angle displacement sensor, by the CAN line, with automatically controlled ECU, with controller local area network, is connected respectively.
The utility model compared with prior art, has the following advantages:
1, owing to there is no hydraulic pressure and mechanical connection between brake actuator and brake pedal, replacing is data line, and this not only will greatly reduce the in-service time of drg, and then effectively shortens stopping distance; Reduce usage space and the data line flexible arrangement is large simultaneously;
2, without braking liquid, avoid the braking liquid leakage problem, be conducive to environmental protection simultaneously and reduce the energy utilization amount;
3, without hydraulic efficiency pressure system, reduced energy consumption, be applicable to pure electric automobile and adopt;
4, number of parts reduces, and increases usage space, improves the comfort level of automobile, simple in structure, installs simple and easy etc.
The accompanying drawing explanation
Below to each width accompanying drawing of this specification sheets, expressed content and the mark in figure are briefly described:
Fig. 1 is the utility model electromechanical braking system functional block diagram.
The partial enlarged drawing that Fig. 2 is A district in Fig. 1.
The partial enlarged drawing that Fig. 3 is C district in Fig. 2.
The partial enlarged drawing that Fig. 4 is B district in Fig. 1.
In figure: 1, brake pedal, 2, the pedal angle sensor, 3, automatically controlled ECU, 4, power supply, 5, electromagnet, 6, rotor outside external toothing, 7, motor stator, 8, rotor, 9, planetary gear speed reducing mechanism, 10, ball, 11, push rod, 12, ball wire rod mechanism, 13, force-increasing mechanism, 14, brake disc, 15, brake clamp thrust rotation brake mechanism, 16, braking clamp body, 16-1, inboard brake clamp, 16-2, the outside hung brake pincers, 16-1-1, bump mechanism, 17, pressure, wheel speed and car speed sensor, 18, controller local area network, 19, set pin, 19-1, spring cotter, 20, swivel, 21, satellite gear, 22, planetary wheel carrier, 23, center gear, 24, inner gear, 25, motor housing.
The specific embodiment
Below contrast accompanying drawing, by the description to embodiment, the specific embodiment of the present utility model is described in further detail.
As shown in Figures 1 to 4, this electromechanical braking system, comprise brake pedal 1, pedal angle sensor 2, automatically controlled ECU3, power supply 4, motor, electromagnet 5, planetary gear speed reducing mechanism 9, ball wire rod mechanism 12, force-increasing mechanism 13, brake disc 14, braking clamp body 16, pressure, wheel speed and car speed sensor 17.
Wherein, power supply is the 12/42V power supply; Motor adopts the brushless direct-current formula, comprises rotor outside external toothing 6, motor stator 7, rotor 8; Planetary gear speed reducing mechanism 9 is located in motor housing 25, is the NGW planetary gear speed reducing mechanism, and this planetary gear speed reducing mechanism 9 comprises satellite gear 21, planetary wheel carrier 22, center gear 23, inner gear 24; Ball wire rod mechanism 12 comprises ball 10, push rod 11.
The pedal angle sensor adopts induction type angle displacement sensor, and this sensor is located at switching place of brake pedal, and the pedal angle sensor is connected with controller local area network with automatically controlled ECU respectively by the CAN line; Automatically controlled ECU is connected with the power supply of motor, controls machine operation; The torque that motor produces, by planetary gear speed reducing mechanism, ball wire rod mechanism, force-increasing mechanism transmission, finally drives braking clamp body and clamps brake disc.
The external toothing that the center gear of planetary gear speed reducing mechanism is the rotor inboard, the push rod of planetary wheel carrier mouth aligns in the same way with the rotor center shaft; The torque of pinion carrier 22 is produced by rotor 8, pass torque to ball wire rod mechanism 12 by satellite gear, to rotatablely move accordingly and transfer the axial translation motion to by ball 10, drive push rod 11, push rod 11 passes through force-increasing mechanism 13 again, braking force is increased and act on braking clamp body 16 brake disc braking 14.
Braking clamp body comprises inboard brake clamp 16-1, outside hung brake pincers 16-2, between inboard brake clamp and outside hung brake pincers, by brake clamp thrust rotation brake mechanism 15, links; Brake clamp thrust rotation brake mechanism is can be around the swivel 20 of set pin 19 rotations, set pin one end utilizes spring cotter 19-1 to fix, inboard brake clamp one side is corresponding with force-increasing mechanism, on inboard brake clamp opposite side, corresponding rotation body one end is provided with bump mechanism 16-1-1, and the swivel other end is corresponding with the outside hung brake pincers.Force-increasing mechanism drives inboard brake clamp 16-1 motion, allows inboard bump mechanism 16-1-1 promote swivel 20 drive outside hung brake pincers 16-2 close to brake disc 14 simultaneously, finally on brake disc 14, produces corresponding lock torque, thereby realizes stable the braking.
Pressure, wheel speed and car speed sensor 17 are arranged on brake disc outer rim place, by the CAN line, with automatically controlled ECU3, with controller local area network 18, are connected, and keep data receiver and the feedback of sensor and automatically controlled ECU3, mutually unimpeded with the electric signal of car load.
Electromechanical braking system also comprises anti-lock mechanism, and anti-lock mechanism is the electromagnet 5 be connected with automatically controlled ECU, and electromagnet adopts the relay electromagnet, and electromagnet fixedly is located on a gear, and this gear is corresponding with the rotor outside external toothing 6 of motor; Data by the pressure on brake disc 14, wheel speed and car speed sensor 17 allow automatically controlled ECU3 determine whether locking, by the locked rotor of the gear that is provided with electromagnet 5 outside external toothing 6, realize changing motor torque and make the braking force on brake disc 14 reduce or increase.
Electromechanical braking system also comprises VSC, and automatically controlled ECU is connected by the controller local area network 18 of CAN line and car load, receives and sends data, with entire car controller, keeps communication constantly, guarantees the stability of system.
When automobile is braked, the angle variable quantity of pedal angle sensor 2 inductive brake pedals is given the speed-slackening signal of 3 one respective amount of automatically controlled ECU, automatically controlled ECU 3 allows power supply 4 motor stators to brushless direct-current 7 switch on subsequently, make it produce torque, drive satellite gear 21 by center gear 23 again, pass torque to ball wire rod mechanism 12, to rotatablely move accordingly and transfer the axial translation motion to by ball 10 again, drive push rod 11, push rod 11 passes through force-increasing mechanism 13 again, braking force is increased, drive again inboard brake clamp 16-1 motion, allow the bump mechanism 16-1-1 of inboard brake clamp promote thrust swivel 20 to drive the brake clamp 16-2 in the outside close to brake disc 14 simultaneously, produce corresponding lock torque in brake disc 14 both sides, realize braking.
In addition when braking force is excessive, be that brake disc 14 is while being about to produce locking, pressure, the speed of a motor vehicle and wheel speed sensors 17 are given 3 one electric signal of automatically controlled ECU, make electromagnet 5 energisings, the gear and the rotor outside external toothing 6 that are connected with electromagnet are meshed, hinder rotor 8 motions, make its deceleration, reduce the braking force transmission, avoid wheel lockup.
The above is exemplarily described the utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that design of the present utility model and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (6)
1. an electromechanical braking system, comprise brake pedal (1), automatically controlled ECU(3), power supply (4), motor, planetary gear speed reducing mechanism (9), ball wire rod mechanism (12), force-increasing mechanism (13), brake disc (14), braking clamp body (16), the torque that described motor produces is by planetary gear speed reducing mechanism (9), ball wire rod mechanism (12), force-increasing mechanism (13) transmits, the final braking clamp body (16) that drives clamps brake disc (14), it is characterized in that: described electromechanical braking system also comprises pedal angle sensor (2), described pedal angle sensor (2) is arranged on switching place of brake pedal, pedal angle sensor (2) respectively with automatically controlled ECU(3) with controller local area network (18), be connected, automatically controlled ECU(3) with the power supply (4) of motor, be connected.
2. electromechanical braking system as claimed in claim 1, it is characterized in that: described electromechanical braking system also comprises anti-lock mechanism, described anti-lock mechanism is the electromagnet (5) be connected with automatically controlled ECU, electromagnet (5) fixedly is located on a gear, and this gear is corresponding with the rotor outside external toothing (6) of motor.
3. electromechanical braking system as claimed in claim 1, it is characterized in that: described electromechanical braking system also comprises pressure, wheel speed and car speed sensor (17), pressure, wheel speed and car speed sensor (17) and automatically controlled ECU(3) be connected.
4. electromechanical braking system as claimed in claim 1, it is characterized in that: the center gear (23) of described planetary gear speed reducing mechanism (9) is the inboard external toothing of rotor (8), and the push rod (11) of planetary wheel carrier (22) mouth aligns in the same way with rotor (8) center shaft.
5. electromechanical braking system as claimed in claim 1, it is characterized in that: described braking clamp body (16) comprises inboard brake clamp (16-1) and outside hung brake pincers (16-2), between inboard brake clamp (16-1) and outside hung brake pincers (16-2), by swivel (20), link, inboard brake clamp (16-1) side is corresponding with force-increasing mechanism (13), on inboard brake clamp (16-1) opposite side, corresponding rotation body (20) one ends are provided with bump mechanism, and swivel (20) other end is corresponding with outside hung brake pincers (16-2).
6. electromechanical braking system as described as claim 1 to 5 any one is characterized in that: described pedal angle sensor (2) adopts induction type angle displacement sensor, by the CAN line respectively with automatically controlled ECU(3) with controller local area network (18), be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203847097U CN203318396U (en) | 2013-06-29 | 2013-06-29 | Electromechanical brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203847097U CN203318396U (en) | 2013-06-29 | 2013-06-29 | Electromechanical brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203318396U true CN203318396U (en) | 2013-12-04 |
Family
ID=49657769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203847097U Withdrawn - After Issue CN203318396U (en) | 2013-06-29 | 2013-06-29 | Electromechanical brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203318396U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381802A (en) * | 2013-06-29 | 2013-11-06 | 安徽工程大学 | Electronic and mechanical braking system |
| CN105438157A (en) * | 2016-01-07 | 2016-03-30 | 西华大学 | Electronic mechanical braking system |
| CN106347339A (en) * | 2016-10-28 | 2017-01-25 | 江苏理工学院 | Self power supply type double-motor brake execution mechanism of automobile electro-mechanical brake system |
| CN109229088A (en) * | 2018-10-31 | 2019-01-18 | 华东交通大学 | A kind of automobile electro-mechanical brake system and its control method |
| CN115257675A (en) * | 2022-07-15 | 2022-11-01 | 重庆长安汽车股份有限公司 | Electromechanical braking structure, braking system, automobile and design method |
-
2013
- 2013-06-29 CN CN2013203847097U patent/CN203318396U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381802A (en) * | 2013-06-29 | 2013-11-06 | 安徽工程大学 | Electronic and mechanical braking system |
| CN103381802B (en) * | 2013-06-29 | 2015-09-23 | 安徽工程大学 | A kind of electromechanical braking system |
| CN105438157A (en) * | 2016-01-07 | 2016-03-30 | 西华大学 | Electronic mechanical braking system |
| CN106347339A (en) * | 2016-10-28 | 2017-01-25 | 江苏理工学院 | Self power supply type double-motor brake execution mechanism of automobile electro-mechanical brake system |
| CN106347339B (en) * | 2016-10-28 | 2018-11-23 | 江苏理工学院 | Automobile electro-mechanical brake system self-powered bi-motor brake actuator |
| CN109229088A (en) * | 2018-10-31 | 2019-01-18 | 华东交通大学 | A kind of automobile electro-mechanical brake system and its control method |
| CN115257675A (en) * | 2022-07-15 | 2022-11-01 | 重庆长安汽车股份有限公司 | Electromechanical braking structure, braking system, automobile and design method |
| CN115257675B (en) * | 2022-07-15 | 2024-04-12 | 重庆长安汽车股份有限公司 | Electromechanical braking structure, braking system, automobile and design method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |