CN105667484A - Wire control brake system driven by two fully decoupled motors - Google Patents
Wire control brake system driven by two fully decoupled motors Download PDFInfo
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- CN105667484A CN105667484A CN201610015360.8A CN201610015360A CN105667484A CN 105667484 A CN105667484 A CN 105667484A CN 201610015360 A CN201610015360 A CN 201610015360A CN 105667484 A CN105667484 A CN 105667484A
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- master cylinder
- increasing power
- power room
- push rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention relates to a wire control brake system driven by two fully decoupled motors. The wire control brake system comprises a brake main cylinder, a hydraulic control unit and a hydraulic force increasing mechanism. The main cylinder is connected with the hydraulic control unit through brake pipelines. The hydraulic force increasing mechanism comprises a force increasing chamber shell body, a pedal push rod and a main cylinder piston push rod. The force increasing chamber shell body is internally provided with a piston cylinder. The back end of the pedal push rod is rotationally connected with a brake pedal. The front end of the pedal push rod is provided with a first force increasing chamber piston. The back end of the main cylinder piston push rod is provided with a second force increasing chamber piston. The first force increasing chamber piston and the second force increasing chamber piston are both slidably arranged in the piston cylinder. A first force increasing chamber piston cavity is formed between the first force increasing chamber piston and the second force increasing chamber piston. A second force increasing chamber piston cavity is formed between the second force increasing chamber piston and the sealed end of the piston cylinder. The front end of the main cylinder piston push rod extends into the brake main cylinder.
Description
Technical field
The present invention relates to the line control brake system of a kind of full decoupling zero Dual-motors Driving, belong to automobile brake technical field.
Background technology
Due to problems such as the exhaustion of oil and the destructions of environment, the advantages such as energy-saving and environmental protection make power truck become the Main way of automotive industry development in future. In order to improve energy utilization rate, economize on resources, protection of the environment; the automotive industry of various countries is all researching and developing electromobile energetically; for ensureing the driving safety of hybrid vehicle, electromobile, the breaking system of hybrid vehicle, electromobile be it is also proposed new requirement. In order to realize good coordinating with the regenerative braking system of hybrid vehicle, electromobile itself, the braking energy making regenerative braking system recoveries as far as possible many on the basis of brake safe, first should cancelling the dependence to engine vacuum, next can not affect brake pedal feel with the cooperation control of regenerative braking system. Existing vacuum assisted hydraulic brake system, vacuum booster depends on engine vacuum, and during with regenerative braking cooperation control, its hydrostatic control can affect master cylinder capacity and hydraulic pressure, thus affects brake pedal feel. In order to overcome the above-mentioned deficiency of existing breaking system, engineers researches and develops some novel braking systems from the nineties in last century, as: the HAShev system of Bosch company and the SCB system etc. of TRW company, some line control brake systems wherein started to use on hybrid vehicle, electromobile this century. Line control brake system becomes the indispensable part of new-energy automobile breaking system.
One part of publication No. of Tsing-Hua University's application is in the patent of invention of CN104071142A, disclose a kind of line control brake system, it instead of the vacuum booster of traditional vacuum assisted hydraulic brake system with a motor, high pressure is provided to high pressure accumulator with another motor, by the collaborative work of motor, planetary gear reducing mechanism and high pressure accumulator, promote the piston in braking master cylinder to produce brake fluid pressure, thus eliminate the dependence to engine vacuum;Use pedal simulator, on the impact of brake pedal feel when elimination and regenerative braking cooperation control. But, the system increases the drive-motor of a relatively high power is high pressure accumulator accumulation of energy, adds system energy consumption; High pressure accumulator is in high pressure conditions always, there is certain potential safety hazard; In addition, this system uses screw-nut body and sun and planet gear mechanism to carry out increasing torsion of slowing down, and the system response time increases, and reliability has much room for improvement.
One part of publication No. of Tongji University's application is in the patent of invention of CN103754208A, disclose the electro-hydraulic brake system of a kind of Dual-motors Driving, it promotes and the pushrod movement being connected separately with two cover motor-ball screw frameworks, is connected by connecting rod between push rod; Connecting rod promotes master cylinder piston push rod, and master cylinder piston push rod promotes master cylinder piston to produce brake fluid pressure. Owing to being connected with connecting rod between this system two electrode, connecting rod promotes master cylinder piston pushrod movement, and the motivating force making a concerted effort to compare a drive-motor of two drive-motor is not amplified; For being mechanically connected between driver pedal and drive-motor, sense is stepped in the braking that the pressure of braking master cylinder can have influence on officer; If one of them motor is damaged, braking master cylinder in braking fluid counter can push away connecting rod, officer cannot brake pedal, security has much room for improvement; The design comparisons such as screw-nut body, hinge and chute easily produce movement interference, and inconvenience maintenance.
One part of publication No. of Tongji University's application is in the patent of invention of CN104760586A, discloses a kind of bi-motor line control brake system, and it promotes braking master cylinder piston with a motor and ball screw framework, produces hydraulic pressure; Another motor and ball screw framework are used for as brake pedal provides pedal sense initiatively. Owing to the system uses two cover motor-ball screw frameworks and two braking master cylinders, complex structure, increases system energy consumption and manufacturing cost; Mechanical connection between motor and pedal adds the control difficulty of system, and motor performance requires higher.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide and a kind of can cancel the dependence to engine vacuum and the line control brake system of the high full decoupling zero Dual-motors Driving for automobile of reliability.
For achieving the above object, the present invention is by the following technical solutions: the line control brake system of a kind of full decoupling zero Dual-motors Driving, it is characterised in that: comprise braking master cylinder, hydraulic control unit and hydraulic boosting mechanism, described master cylinder connects described hydraulic control unit by braking pipeline, described hydraulic boosting mechanism comprises increasing power room housing, pedal push rod and master cylinder piston push rod, in the inside of described increasing power room housing, piston cylinder is set, rear end and the brake pedal of described pedal push rod are rotationally connected, increasing power room first piston is set in the front end of described pedal push rod, increasing power room the 2nd piston is set in the rear end of described master cylinder piston push rod, described increasing power room first piston and increasing power room the 2nd piston are all slidably arranged in described piston cylinder, first piston chamber, increasing power room is formed between described increasing power room first piston and described increasing power room the 2nd piston, increasing power room the 2nd plunger shaft is formed between described increasing power room the 2nd piston and the blind end of described piston cylinder, described braking master cylinder is stretched into before described master cylinder piston push rod.
Also comprise bi-motor power-assisted mechanism and central controller; Described bi-motor power-assisted mechanism comprises assist motor, slows down to increase and turn round device, tooth bar and sleeve;Described jacket casing is located at and leaves gap on described master cylinder piston push rod and with described master cylinder piston push rod, is being positioned on the described master cylinder piston push rod in described sleeve front to be provided with baffle plate; Described assist motor, slow down to increase and turn round device, tooth bar and be two and be arranged on the both sides of described sleeve; The output shaft of each described assist motor is fixedly connected with the input terminus slowing down and increasing and turn round device described in, and described deceleration increases the output terminal straight tooth gear turning round device and engages with tooth bar described in, and described tooth bar is fixedly connected with described sleeve; It is provided with return spring between described sleeve and described increasing power room housing; Described central controller is electrically connected with described assist motor.
Also comprising pedal simulator, described pedal simulator comprises simulator housing, and sliding in described simulator housing arranges emulator piston, and described emulator piston is connected with described simulator housing by simulator spring; Described increasing power room the 2nd plunger shaft is connected with the inside of described simulator housing by braking pipeline, and first piston chamber, described increasing power room is connected with the braking pipeline between described pedal simulator with described increasing power room the 2nd plunger shaft by the first magnetic valve.
Also comprising oil can, described oil can is connected with the braking pipeline between described pedal simulator with described increasing power room the 2nd plunger shaft by the 2nd magnetic valve.
Described pedal push rod arranges pedal displacement sensor, arranging pressure transmitter on the braking pipeline between described first magnetic valve and first piston chamber, described increasing power room, described pedal displacement sensor, pressure transmitter are all electrically connected with described central controller.
Described first magnetic valve adopts normally closed two-position two-way solenoid valve, and described 2nd magnetic valve adopts often opens two-position two-way solenoid valve.
Described braking master cylinder comprises master cylinder housing, in described master cylinder housing, interval arranges two master cylinder pistons, form master cylinder piston chamber respectively between master cylinder piston and between the blind end of described master cylinder piston and described master cylinder housing described in two, piston reset spring is set respectively in master cylinder piston chamber described in two.
It is respectively arranged with increasing power room spring in first piston chamber, described increasing power room and increasing power room the 2nd plunger shaft.
The present invention is owing to taking above technical scheme, it has the following advantages: the bi-motor power-assisted mechanism that 1, the present invention comprises two assist motors, two and slows down owing to adopting and increase and turn round devices, two tooth bars and sleeve, wherein, sleeve can drive main cylinder piston-rod to carry out translational movement by the baffle plate being positioned on main cylinder piston-rod, thus promote the piston motion in braking master cylinder to produce braking fluid, and then the dependence to engine vacuum can be cancelled. 2, two assist motors used in the present invention are compared to use high pressure accumulator drive-motor and conventional brake motor, the power of assist motor, the requirement of rotating speed reduced such that it is able to reduce the energy consumption of system. 3, the present invention is when powering inefficacy or assist motor inefficacy, pedal push rod, master cylinder piston push rod can be utilized directly to promote the piston in braking master cylinder, to produce braking fluid, namely hydraulic boosting mechanism itself also can as standby braking strategy, the therefore reliability height of breaking system. 4, hydraulic boosting mechanism of the present invention, adopts hydraulic booster principle, the pedal force of officer is amplified, and is conducive to raising system at brake pressure when losing efficacy of powering. 5, the power-assisted mode of the present invention two assist motor is superposing type, when one of them assist motor generation fault, although system can send trouble signal, but system still can according to driving situation at that time, selective system damping force is provided by the assist motor not lost efficacy, or the assist motor and officer by not losing efficacy provides jointly, accordingly, it may be possible to improve the comfortable property of security and driving.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the present invention comprises braking master cylinder 1, hydraulic control system 2, hydraulic boosting mechanism 3, bi-motor power-assisted mechanism 4, pedal simulator 5, oil can 6 and central controller 7.
Braking master cylinder 1 comprises master cylinder housing 11, in master cylinder housing 11, interval arranges two master cylinder pistons 12, form master cylinder piston chamber 13 respectively between two master cylinder pistons 12 and between the blind end of master cylinder piston 12 and master cylinder housing 11, piston reset spring 14 is set respectively in two master cylinder piston chambeies 13.
Hydraulic brake unit 2 connects two master cylinder piston chambeies 13 respectively by two braking pipelines, hydraulic control unit 2 can select the anti-lock brake hydraulic control unit in prior art or Vehicle Stability Control hydraulic control unit, it is preferable that Vehicle Stability Control hydraulic control unit.
Hydraulic boosting mechanism 3 comprises increasing power room housing 31, pedal push rod 32 and master cylinder piston push rod 33. Increasing power room housing 31 is fixedly connected with master cylinder housing 11, arranges piston cylinder 34 in the inside increasing power room housing 31. Rear end and the brake pedal 8 of pedal push rod 32 are rotationally connected, and arrange increasing power room first piston 35 in the front end of pedal push rod 32, increase power room first piston 35 and are slidably arranged in piston cylinder 34. Increasing power room the 2nd piston 36 is set in the rear end of master cylinder piston push rod 33, increasing power room the 2nd piston 36 is slidably arranged in piston cylinder 34 and is positioned at the front of increasing power room first piston 35, form first piston chamber, increasing power room 37 between increasing power room first piston 35 and increasing power room the 2nd piston 36, increase and form increasing power room the 2nd plunger shaft 38 between power room the 2nd piston 36 and the blind end of piston cylinder 34. The front end of master cylinder piston push rod 33 is stretched into after passing piston cylinder 34 in master cylinder housing 11 and near master cylinder piston 12. It is respectively arranged with increasing power room spring 39 in increasing first piston chamber, power room 37 and increasing power room the 2nd plunger shaft 38.
Bi-motor power-assisted mechanism 4 comprises assist motor 41, slows down to increase and turn round device 42, tooth bar 43 and sleeve 44. Sleeve 44 is set in and leaves gap on master cylinder piston push rod 33 and with master cylinder piston push rod 33, is provided with baffle plate 331 on master cylinder piston push rod 33, and sleeve 44 can drive master cylinder piston push rod 33 to move forward by baffle plate 331. Assist motor 41, the increasing torsion device 42 that slows down, tooth bar 43 are two, are symmetricly set on the both sides of sleeve 44. The output shaft of each assist motor 41 is fixedly connected with a deceleration and increases the input terminus cone gear 421 turning round device 42, and the output terminal straight tooth gear 422 increasing torsion device 42 that slows down engages with a tooth bar 43, and tooth bar 43 is fixedly connected with sleeve 44. It is provided with return spring 45 between sleeve 44 and increasing power room housing 31.
Pedal simulator 5 comprises simulator housing 51, emulator piston 52 and simulator spring 53. Wherein, emulator piston 52 is slidably arranged in simulator housing 51, and emulator piston 52 is connected with simulator housing 51 by simulator spring 53. Increasing power room the 2nd plunger shaft 38 is connected with the inside of simulator housing 51 by braking pipeline; First piston chamber, increasing power room 37 is connected with the braking pipeline increased between the plunger shaft 38 of power room the 2nd with at pedal simulator 5 by magnetic valve 61.
Oil can 6 is connected with two master cylinder piston chambeies 13 by two braking pipelines, for providing braking fluid. Oil can 6 is connected with the braking pipeline increased between the plunger shaft 38 of power room the 2nd with at pedal simulator 5 by magnetic valve 62.
Central controller 7 is electrically connected with assist motor 41, magnetic valve 61, magnetic valve 62, hydraulic brake unit 2 respectively. The braking pipeline increased between first piston chamber, power room 37 and magnetic valve 61 is arranging pressure transmitter 71; Pedal push rod 32 arranges pedal displacement sensor 72. Pressure transmitter 71, pedal displacement sensor 72 are all electrically connected with central controller 7.
In above-described embodiment, magnetic valve 61 adopts normally closed two-position two-way solenoid valve, and magnetic valve 62 adopts often leaves two-position two-way solenoid valve.
Principle of work and the working process of the present invention are as follows:
During system worked well, the effect of two assist motors 41 is the officer in replacement traditional vacuum assisted hydraulic brake system and vacuum booster, drive increasing of slowing down to turn round device 42 to produce to rotate, slow down increase the straight tooth gear 422 of turning round device 42 by with the engaging of tooth bar 43, the rotation of assist motor 41 is converted into generation translation, and tooth bar 43 and sleeve 44 are connected, and promote master cylinder piston push rod 33 to move, master cylinder piston push rod 33 promotes the master cylinder piston 12 of braking master cylinder 1, thus produces brake fluid pressure. specifically, when the systems are operating normally, brake pedal 8 is operated, and the degree that pedal displacement sensor 72 is operated for brake pedal 8 produces corresponding signal, passes to central controller 7. central controller 7 is by gathering the displacement signal of pedal displacement sensor 72, the pressure signal of pressure transmitter 71, the brake pressure signal of hydraulic control unit 2 and road surface situation recognition signal, determine the size of two assist motor 41 target output torque, and the actual output torque controlling two assist motors 41 follows the target output torque of two assist motors 41, two assist motors 41 increase torsion device 42 with two decelerations and are connected, increase by slowing down again and turn round engaging of device 42 and tooth bar 43, the rotation of two assist motors 41 is converted into tooth bar 43 and the translation of sleeve 44, sleeve 44 contacts with the baffle plate 331 on master cylinder piston push rod 33, master cylinder piston push rod 33 is promoted to move, thus promote two master cylinder pistons 12 of braking master cylinder 1, braking fluid in two master cylinder piston chambeies 13 is pushed away into hydraulic control unit 2 by braking pipeline respectively, pipeline is braked again by each being connected with hydraulic control unit 2, push away and take turns cylinder stopper into each, thus vehicle is implemented braking.
During system worked well, magnetic valve 61 is energized open, and magnetic valve 62 is energized and cuts out, the pipeline connection increase first piston chamber, power room 37, increasing between power room the 2nd plunger shaft 38 and pedal simulator 5 liquid chamber, and the braking pipeline being connected with oil can 6 is sealed plug; First piston chamber 37 is connected with increasing power room the 2nd plunger shaft 38, brake pedal 8 is under officer tramples the driving of power, promote pedal push rod 32, pedal push rod 32 promotes increasing power room first piston 35, and drive increasing power room the 2nd piston 36 that liquid is pressed into pedal simulator 5, promoting emulator piston 52 translation, emulator piston 52 compresses simulator spring 53, produces driver pedal force reaction power; When braking completes, at the end of signal controls, magnetic valve 61 power-off is closed, and magnetic valve 62 power-off is passed through, and under the effect increasing power room spring 39, each parts of liquid return, hydraulic boosting mechanism 3 and pedal simulator 5 recover original position.
The active boost of the present invention can be realized by assist motor 41, hits for realizing initiatively keeping away, the controlling functions such as adaptive cruise. When using the Vehicle Stability Control hydraulic control unit in prior art when hydraulic control unit 2, it is also possible to realize active boost by hydraulic control unit 2, thus implement Vehicle Stability Control.
When using the Vehicle Stability Control hydraulic control unit in prior art when described hydraulic control unit 2, if the motor of system of the present invention lost efficacy, and hydraulic control unit 2 can normal operation, then the realization of the now function such as conventional brake, anti-lock brake, Stability Control, implements according to prior art by hydraulic control unit 2.
When system power supply of the present invention lost efficacy, magnetic valve 61 power-off is closed, by the braking pipeline disconnection increasing first piston chamber, power room 37 and increase between power room the 2nd plunger shaft 38, pedal simulator 5, magnetic valve 62 power-off is open, will increase the braking pipeline connection between power room the 2nd plunger shaft 38 and oil can 6; Officer tramples brake pedal 8, brake pedal 8 promotes pedal push rod 32 to move, Zeng Li room, pedal push rod 32 front end first piston 35, increasing power room the 2nd piston 36 promote master cylinder piston push rod 33, master cylinder piston push rod 33 promotes two master cylinder pistons 12 of braking master cylinder 1, braking fluid in two master cylinder piston chambeies 13 is pushed away into hydraulic control unit 2 by braking pipeline respectively, brake pipeline by each being connected with hydraulic control unit 2 again, push away and take turns cylinder stopper into each, thus implement standby hydraulic braking; There is difference in areas between increasing power room first piston 35 and increasing power room the 2nd piston 36, use hydraulic principle the damping force of officer to be amplified; Liquid stream oil return kettle 6 in the plunger shaft 38 of increasing power room the 2nd.
When system of the present invention only has an assist motor 41 to lose efficacy, system is information collected by central controller 7, and magnetic valve 61, magnetic valve 62 and another assist motor 41 not lost efficacy are sent instruction; When the assist motor 41 that do not lose efficacy can meet Braking system power demand, system will to inefficacy assist motor 41 power-off, magnetic valve 61, magnetic valve 62 being energized, by not losing efficacy, assist motor 41 provided damping force needed for system, and operator brake sensation is still provided by pedal simulator 5; When the assist motor 41 that do not lose efficacy can not meet Braking system power demand, system will to inefficacy assist motor 41, magnetic valve 61, magnetic valve 62 power-off, to not losing efficacy, assist motor 41 was energized, and damping force needed for system is by not losing efficacy assist motor 41 and hydraulic boosting mechanism 3 provides.
The present invention is only described with above-described embodiment; the structure of each parts, position is set and connects and all can change to some extent; on the basis of technical solution of the present invention; all improvement of being carried out by indivedual parts according to the principle of the invention and equivalents, all should not get rid of outside protection scope of the present invention.
Claims (8)
1. the line control brake system of a full decoupling zero Dual-motors Driving, it is characterised in that: comprise braking master cylinder, hydraulic control unit and hydraulic boosting mechanism; Described master cylinder connects described hydraulic control unit by braking pipeline;
Described hydraulic boosting mechanism comprises increasing power room housing, pedal push rod and master cylinder piston push rod, in the inside of described increasing power room housing, piston cylinder is set, rear end and the brake pedal of described pedal push rod are rotationally connected, increasing power room first piston is set in the front end of described pedal push rod, increasing power room the 2nd piston is set in the rear end of described master cylinder piston push rod, described increasing power room first piston and increasing power room the 2nd piston are all slidably arranged in described piston cylinder, first piston chamber, increasing power room is formed between described increasing power room first piston and described increasing power room the 2nd piston, increasing power room the 2nd plunger shaft is formed between described increasing power room the 2nd piston and the blind end of described piston cylinder, described braking master cylinder is stretched into before described master cylinder piston push rod.
2. the line control brake system of a kind of full decoupling zero Dual-motors Driving as claimed in claim 1, it is characterised in that: also comprise bi-motor power-assisted mechanism and central controller;
Described bi-motor power-assisted mechanism comprises assist motor, slows down to increase and turn round device, tooth bar and sleeve; Described jacket casing is located at and leaves gap on described master cylinder piston push rod and with described master cylinder piston push rod, is being positioned on the described master cylinder piston push rod in described sleeve front to be provided with baffle plate; Described assist motor, slow down to increase and turn round device, tooth bar and be two and be arranged on the both sides of described sleeve; The output shaft of each described assist motor is fixedly connected with the input terminus slowing down and increasing and turn round device described in, and described deceleration increases the output terminal straight tooth gear turning round device and engages with tooth bar described in, and described tooth bar is fixedly connected with described sleeve; It is provided with return spring between described sleeve and described increasing power room housing;
Described central controller is electrically connected with described assist motor.
3. the line control brake system of a kind of full decoupling zero Dual-motors Driving as claimed in claim 2, it is characterized in that: also comprise pedal simulator, described pedal simulator comprises simulator housing, sliding in described simulator housing and arrange emulator piston, described emulator piston is connected with described simulator housing by simulator spring;
Described increasing power room the 2nd plunger shaft is connected with the inside of described simulator housing by braking pipeline, and first piston chamber, described increasing power room is connected with the braking pipeline between described pedal simulator with described increasing power room the 2nd plunger shaft by the first magnetic valve.
4. the line control brake system of a kind of full decoupling zero Dual-motors Driving as claimed in claim 3, it is characterized in that: also comprise oil can, described oil can is connected with the braking pipeline between described pedal simulator with described increasing power room the 2nd plunger shaft by the 2nd magnetic valve.
5. the line control brake system of a kind of full decoupling zero Dual-motors Driving as claimed in claim 3, it is characterized in that: on described pedal push rod, pedal displacement sensor is set, arranging pressure transmitter on the braking pipeline between described first magnetic valve and first piston chamber, described increasing power room, described pedal displacement sensor, pressure transmitter are all electrically connected with described central controller.
6. the line control brake system of a kind of full decoupling zero Dual-motors Driving as claimed in claim 4, it is characterised in that: described first magnetic valve adopts normally closed two-position two-way solenoid valve, and described 2nd magnetic valve adopts often opens two-position two-way solenoid valve.
7. the line control brake system of a kind of full decoupling zero Dual-motors Driving as claimed in claim 1 or 2, it is characterized in that: described braking master cylinder comprises master cylinder housing, in described master cylinder housing, interval arranges two master cylinder pistons, form master cylinder piston chamber respectively between master cylinder piston and between the blind end of described master cylinder piston and described master cylinder housing described in two, piston reset spring is set respectively in master cylinder piston chamber described in two.
8. the line control brake system of a kind of full decoupling zero Dual-motors Driving as claimed in claim 1, it is characterised in that: in first piston chamber, described increasing power room and increasing power room the 2nd plunger shaft, it is respectively arranged with increasing power room spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015360.8A CN105667484A (en) | 2016-01-11 | 2016-01-11 | Wire control brake system driven by two fully decoupled motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015360.8A CN105667484A (en) | 2016-01-11 | 2016-01-11 | Wire control brake system driven by two fully decoupled motors |
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| CN105667484A true CN105667484A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610015360.8A Pending CN105667484A (en) | 2016-01-11 | 2016-01-11 | Wire control brake system driven by two fully decoupled motors |
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| CN108327694A (en) * | 2018-03-02 | 2018-07-27 | 北京经纬恒润科技有限公司 | Step on the Electric booster in sense simulator and line traffic control brake fluid system |
| CN108674403A (en) * | 2018-04-19 | 2018-10-19 | 中山大学 | Electric booster braking device and braking method |
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| CN109789857A (en) * | 2016-09-30 | 2019-05-21 | 株式会社爱德克斯 | The brake control of vehicle |
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| CN111824106A (en) * | 2020-07-31 | 2020-10-27 | 清华大学 | Brake-by-wire system with complete failure operation capability and vehicle |
| CN116394902A (en) * | 2023-04-27 | 2023-07-07 | 江铃汽车股份有限公司 | Electromechanical braking device, braking method and vehicle |
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| CN116394902B (en) * | 2023-04-27 | 2023-08-18 | 江铃汽车股份有限公司 | Electromechanical braking device, braking method and vehicle |
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Application publication date: 20160615 |