CN103754210B - A kind of motor-driven EHB - Google Patents
A kind of motor-driven EHB Download PDFInfo
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- CN103754210B CN103754210B CN201410008736.3A CN201410008736A CN103754210B CN 103754210 B CN103754210 B CN 103754210B CN 201410008736 A CN201410008736 A CN 201410008736A CN 103754210 B CN103754210 B CN 103754210B
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Abstract
A kind of motor-driven EHB, comprising: brake pedal; Pedal displacement sensor; Secondary master cylinder; Pedal simulator pressure sensor; Pedal simulator; Pedal simulator electromagnetic valve; Push rod; Automatically controlled Linear Moving Module, it drives pushrod movement by motor actuation movement adjusting mechanism, controls motor, realize the Linear Control of brake-pressure by displacement signal; Master brake cylinder, it is coupled with wheel of vehicle brake hydraulic after ABS/ESP module; ABS/ESP module, both can be transported to the pressure of car side brake by passive adjustment master cylinder, also can initiatively regulate the brake pressure of each wheel.This motor-driven EHB has quick response, accurately controls the feature such as brake pedal feel, maximized recovery braking energy of brake fluid pressure, better drive simulating person; this system dual failures protected mode, has a very high safety and reliability simultaneously.
Description
Technical field
The invention belongs to automobile technical field, relate to automobile brake technology, especially a kind of motor-driven EHB.
Background technology
The development of automobile now has two trend: motorized and intellectuality.High-power driving motor electronlmobil is equipped with, when car deceleration is braked, utilize dragging of motor, by reverse power connection, produce inverse electromotive force, make electrical motor change electrical generator into, generate electricity, the kinetic energy of automobile is converted into electrical power storage to be entered in storage battery, i.e. regenerative brake (also known as Brake energy recovery).These electric energy stored can increase the continual mileage of automobile in large quantities, change the shortcoming that electronlmobil continual mileage is low, battery size is large.In today that battery technology is perfect not enough, battery technology can greatly be made up and be short of the problem brought.Be vehicle intellectualized on the other hand, the nowadays development such as vehicle self-adaption cruise system (ACC) and BAS (Brake Assist System) (BAS) rapidly, can alleviate the burden of chaufeur greatly.
Electro-hydraulic system (EHB) is the one of brake-by-wire, and its brake pedal and hydraulic efficiency pressure system are not mechanically connected completely.Time in braking procedure by calculating each braking, the displacement of brake pedal and braking force, judge the braking intention of chaufeur, and regulate that hydraulic pressure active power source controls, the braking force of regulator solution pressing system, coordinates drive motor braking force to complete braking together.Line control system also can better with the systematic collaboration effects such as ACC, BAS.
Toyota, Bosch, TRW and Continental are the companies dropping into EHB research the earliest.Its EHB ECB is loaded into domestic type hybrid power car in 1997 by Toyota Company of Japan, and Prius is the miniature car that first item uses Electro-hydraulic brake system.Bosch company was proposed brand-new HAShev system in 2012, and hydraulic efficiency governing unit has continued to use ESP9.0 system.TRW Automotive company of the U.S. (TRW) have developed SCB(SlipControlBoost in 2009), compared with the HAS system of Bosch, it is integrated with the function of ESC.Continental was also proposed MKC1 EHB in 2012.
Existing EHB mostly adopts motor, pump and high pressure accumulator as propulsion source, but high pressure accumulator exists the danger of helium leak, and reliability and safety also exist hidden danger.
High pressure accumulator, pump is replaced with motor and speed reduction gearing in electronic mechanical hydraulic brake system, also ACTIVE CONTROL and the adjustment of hydraulic coupling can be realized, by control path transmission of signal, promote master cylinder by motor drive machinery structure, there is not the problems such as high pressure accumulator potential safety hazard, its structure is simple, reduce cost, and mechanical connection reliability and safety higher, directly controlled by ECU, be easy to realize the functions such as ABS, TCS, ESP, ACC.The EHB of this form has a bright future, and is the important developing direction of following brake system.
Summary of the invention
The object of the present invention is to provide a kind of motor-driven EHB, in order to reclaim braking energy, raising system response time, accurate hydraulic control braking force, well give chaufeur braking force feedback, realize the ACTIVE CONTROL of system liquid pressure and treadle effort.
Object of the present invention can be achieved through the following technical solutions: a kind of motor-driven EHB, comprising: brake pedal; The pedal displacement sensor of brake pedal displacement signal is stepped on for obtaining chaufeur; Secondary master cylinder, is used for pedal sense simulation during normal brake application, lost efficacy when backing up and be directly used in braking; For treadle effort ACTIVE CONTROL and the pedal simulator pressure sensor judged that lost efficacy; Pedal simulator, is used for simulating pedal sense; Pedal simulator electromagnetic valve, is used for the feedback of ACTIVE CONTROL treadle effort; Push rod, promotes master cylinder piston under motor or manpower drive; Automatically controlled Linear Moving Module, it drives worm and gear pinion and rack to drive pushrod movement by motor, controls motor, thus realize the Linear Control of brake-pressure by displacement signal; Master brake cylinder, it comprises three hydraulic cavities, is to add a chamber before traditional master cylinder first chamber, and it is coupled with wheel of vehicle brake hydraulic after ABS/ESP module; ABS/ESP module, both can be transported to the pressure of car side brake by passive adjustment master cylinder, also initiatively can carry out pressure adjustment to the drg of each wheel.ECU (Electrical Control Unit) ECU, the total braking force of this time braking needs is gone out according to pedal displacement calculated signals, then calculate according to motor, battery status the regenerative braking force that vehicle can produce, total braking force is the braking force that described system needs to produce after deducting regenerative braking force, and it is controlled by motor.This motor-driven EHB comprises mechanical backup pattern and hydraulic pressure backup mode.
Preferably, brake pedal is connected with secondary master cylinder push rod one end, and the push rod at the secondary master cylinder push rod other end and tooth bar center is just right, and gap is left in centre, overcoming both contacts behind gap, can transmitting braking force, by promoting master cylinder with the master cylinder piston that push rod often contacts.
Preferably, secondary master cylinder hydraulic pressure pipeline has two branch roads, and an electromagnetic valve of leading up to is connected with master cylinder ante-chamber, and this electromagnetic valve is normally open valve, and when opening, braking liquid can enter master cylinder ante-chamber, and another road is connected with pedal simulator inlet.
Preferably, master cylinder one has 3 hydraulic cavities: ante-chamber, the first epitrochoidal chamber and the second epitrochoidal chamber.Master cylinder ante-chamber is connected with fluid reservoir by an electromagnetic valve, and this electromagnetic valve is normally closed valve, and the rear effect realizing fluid infusion is opened in energising; First, second epitrochoidal chamber is connected with ABS/ESP module, and wheel cylinder hydraulic pressure power regulates.
Preferably, pedal simulator export pipeline is connected with fluid reservoir by an electromagnetic valve, and this electromagnetic valve is normally closed valve, can active adjustment simulation pedal reaction force.
Preferably, described automatically controlled Linear Moving Module comprises ECU (Electrical Control Unit) ECU, motor and straight-line motion mechanism, and described motor accepts the Torque-adjusting signal control straight-line motion mechanism that ECU (Electrical Control Unit) ECU sends.
Preferably, described decoupling zero valve, cuts out in the normal mode of operation, participates in pedal sense simulation; Under hydraulic pressure backup mode, system cut-off, decoupling zero valve is opened, and realizes braking.Secondary master cylinder push rod promotes push rod after overcoming idle travel and travels forward, thus promotes master cylinder push rod, realizes mechanical backup protection.
Preferably, described automatically controlled Linear Moving Module comprises rotating machine and rotary motion is converted to the transmission device of straight-line motion, and this transmission device comprises worm-and-wheel gear and pinion and rack.
Preferably, straight-line motion mechanism in the transmission device of automatically controlled Linear Moving Module comprises described worm-and-wheel gear and pinion and rack, tooth bar is hollow, centre has a push rod to pass, the piston right-hand member of push rod left end and secondary master cylinder has certain gap, pedal and hydraulic braking decoupling zero when this gap is in order to realize only having motor braking, depend on the maximum regenerative braking force that motor can produce.Push rod right-hand member contacts with master cylinder connecting link.When being in mechanical backup pattern, overcoming the gap between push rod and secondary master cylinder piston, rigid contact, directly promoting master cylinder piston braking.
This motor-driven EHB completes hydraulic pressure backup effect by decoupling zero valve, completes mechanical backup effect by push rod.Under normal work, system electrification, decoupling zero valve cuts out, and secondary master cylinder piston travels forward an idle travel, and the displacement of this section of idle travel can produce maximum regenerative braking force according to motor and can calculate; Under hydraulic pressure backup mode, system cut-off, decoupling zero valve is opened, and the braking liquid in secondary master cylinder enters master cylinder ante-chamber MC0, promotes master cylinder piston; Under mechanical backup pattern, secondary master cylinder piston contacts with push rod after overcoming idle travel, promotes push rod, promotes master cylinder piston further and brakes.
Preferably, by secondary master cylinder, pedal simulator, pedal simulator pressure sensor, electromagnetic valve simulating brake pedal sense, carries out ACTIVE CONTROL by the flow of electromagnetic valve for adjusting to treadle effort.
Master cylinder ante-chamber is connected with secondary master cylinder, and the first epitrochoidal chamber is connected with ABS/ESP module respectively by hydraulic tubing with the second epitrochoidal chamber.Push rod promotes first piston, and the first epitrochoidal chamber promotes the second piston after building pressure and produces the straight-line motion expected, braking liquid flows to ABS/ESP module through hydraulic tubing, then can regulate the braking force that each wheel cylinder produces.
Described motor-driven EHB provides fault localization system, when certain brake component inefficacy et out of order, failure message can be passed to ECU (Electrical Control Unit).
Described motor-driven EHB provides failure warning system, and when fault localization system diagnoses out motor driven liquid to suppress dynamic system malfunctions, alarm activation, the very first time provides warning to chaufeur.
When automatically controlled Linear Moving Module lost efficacy, system entered hydraulic pressure backup, all electromagnetic valve power-off, and the braking liquid in secondary master cylinder enters master cylinder ante-chamber, promoted the braking of master cylinder first piston.During mechanical backup, secondary master cylinder connecting link promotes push rod, and push rod acts on master cylinder piston.When losing efficacy backup, the brake fluid pressure of system was provided by people's pin completely.When brake piping lost efficacy, automatically controlled Linear Moving Module was intact, system worked well, and pipeline liquid leakage reminds chaufeur by annunciator.
Selectively, automatically controlled Linear Moving Module can be made up of Outsourcing-type motor, ball screw framework, and leading screw is hollow, and wherein push rod can pass.
Compared with existing EHB, the motor-driven EHB tool of the present invention has the following advantages:
1. adopt electric machine control straight-line motion mechanism, fast response time, accurately controls hydraulic braking force, well coordinates motor regenerative braking force, completes chaufeur braking intention preferably.
2. because motor can accurately control, thus can according to motor regenerative braking force, battery status, in good time adjustment hydraulic braking force, thus reclaim braking energy substantially.
3. regulated by pedal simulator outlet hydraulic, ACTIVE CONTROL can be carried out to the treadle effort of chaufeur.
4. time have pipeline to be connected between level master cylinder with master cylinder ante-chamber, enter hydraulic pressure backup mode during motor failure, system stability, safety is good, and brake feel is good.
5. keep mechanical connection between brake pedal and master brake cylinder, reduce the risk of thrashing, even if motor failure, the leakage of oil of hydraulic control pipeline, under push rod effect, still can produce certain hydraulic braking force, thus guarantee that system has very high safety, reliability.
Accompanying drawing explanation
Fig. 1 is the sketch of the motor-driven EHB of one embodiment of the present of invention.
Fig. 2 is motor-turbine and worm decelerator schematic diagram.
Fig. 3 is Linear Moving Module schematic diagram.
Label in accompanying drawing represents:
1-pedal; 2-pedal displacement sensor; 3-pedal push rod; 4-secondary master cylinder; 5-secondary master cylinder piston; 6-worm gear; 7-worm screw; 8-gear; 9-tooth bar; 10-push rod; 11-master cylinder first piston; 12-motor; 13-master cylinder ante-chamber; 14-fluid reservoir; 15-master cylinder first epitrochoidal chamber; 16-master cylinder second piston; 17-master cylinder second epitrochoidal chamber; 18-master cylinder; 19-ABS/ESP; 20-make-up valve; 21-decoupling zero valve; 22-control cock; 23-hydraulic coupling sensor 1; 24-pedal simulator; 25-pedal simulator piston; 26-hydraulic coupling sensor; 27-ECU (Electrical Control Unit) ECU.
Detailed description of the invention
As shown in Figure 1, this motor-driven EHB mainly comprises brake pedal 1, secondary master cylinder 3, pedal simulator 24, decoupling zero valve 21, motor 12, worm gear 6, worm screw 7, master cylinder 18, pedal displacement sensor 2, hydraulic coupling sensor 26, electromagnetic valve 20,22.
In this embodiment, automatically controlled Linear Moving Module comprises ECU (Electrical Control Unit) ECU27, motor 12, speed reduction gearing (worm gear 6, worm screw 7), straight-line motion mechanism (gear 8, tooth bar 9).Motor 12 is connected with ECU (Electrical Control Unit) ECU27 by control path, according to the motor torque signal control straight-line motion mechanism that ECU (Electrical Control Unit) is transmitted.What represent in Fig. 1 is that the one of automatically controlled Linear Moving Module is preferred, and motor 12 is rotating machines, and speed reduction gearing is worm-and-wheel gear, and straight-line motion mechanism is pinion and rack.Master cylinder 18 comprises ante-chamber 13, first piston 11, first epitrochoidal chamber 15, second piston 16, second epitrochoidal chamber 17, ante-chamber 13 is connected with secondary master cylinder 4, fluid reservoir 14 respectively by electromagnetic valve, first epitrochoidal chamber 15 and the second epitrochoidal chamber 17 are separated by the second piston 16, and have the compensation orifice connecting fluid reservoir.First epitrochoidal chamber 15 is connected with ABS/ESP module 19 respectively by hydraulic tubing with the second epitrochoidal chamber 17.ABS/ESP module is connected on four car side brakes by hydraulic tubing again.
Motor-driven EHB specific works process of the present invention is as follows: chaufeur steps on brake pedal 1, make-up valve 20, decoupling zero valve 21, control cock 22 powers on, pedal displacement sensor 2 obtains pedal displacement, receive the braking intention of chaufeur, by the signal transmission that collects in ECU (Electrical Control Unit) 27, ECU (Electrical Control Unit) calculates the size of drive motor regenerative braking force according to machine operation characteristic and cell operating status, drive motor regenerative braking force is deducted by total demand braking force, obtain hydraulic braking force size required in this time braking, then ECU (Electrical Control Unit) controls motor 12 by control path and drives Linear Moving Module, Linear Moving Module promotes the first piston 11 be connected with master cylinder push rod, when first piston blocks the first compensation orifice, the first epitrochoidal chamber starts to build pressure, then spring is passed through, push rod promotes the second piston 16 straight-line motion, when the second piston blocks the second compensation orifice, the second epitrochoidal chamber starts to build pressure, braking liquid flows to ABS/ESP module 19 through hydraulic tubing, then flow to each wheel cylinder and produce braking force.
According to a preferred embodiment of the present invention, automatically controlled Linear Moving Module comprises rotating machine 12, turbine and worm decelerator and rotary motion is converted to the pinion and rack of straight-line motion, worm screw 7 is connected in the rotating shaft of rotating machine 12, worm gear wheel is driven by motor rotary motion, thus drive coaxial pinion rotation, gear driving rack, becomes straight-line motion by rotary motion, promotes pushrod movement.According to a preferred embodiment of the present invention, above-mentioned Linear Moving Module also can be that motor and ball screw framework or guilde screw mechanism are formed.
When requiring that brake system must consider generation and some brake component et out of order of failure conditions according to national legislation, system still can carry out the braking of some strength.Fail safe scheme is also contains in the motor-driven EHB of the present invention.
Middle motor 12 is carried out in braking beginning or braking cannot provide moment or straight-line motion mechanism damage so that cannot transmit motion, fault localization system diagnoses the information that is out of order, pass to ECU (Electrical Control Unit) 27, ECU (Electrical Control Unit) makes whole system power-off at once, after decoupling zero valve 21 power-off, secondary master cylinder and master cylinder ante-chamber are connected, and after make-up valve 20 power-off, the pipeline between ante-chamber and fluid reservoir is closed.Now push down on the pedal again, the braking liquid in secondary master cylinder 4 enters master cylinder ante-chamber 13 and brakes, further pedal, and secondary master cylinder piston 5 contacts with push rod 10, promotes master cylinder first piston 11 and brakes.
The vacuum booster at present some battery-driven cars still equipped, drives vacuum pump to make vacuum booster produce certain vacuum degree with motor.Under some emergency brakings or continuous damped condition, vacuum pump work response time is long, and brake efficiency is reduced greatly.The present invention adopts motor pushing master cylinder to have response fast, hydraulic braking force regulates accurately, well overcome the stability of brake efficiency under emergency braking operating mode or continuous damped condition, simultaneously according to motor characteristic and battery status timely adjustment hydraulic braking force.
Motor-driven EHB of the present invention also can be applicable on new-energy automobile, target is turned to so that drive motor Brake energy recovery is maximum, by ECU (Electrical Control Unit), motor output torque is regulated, allow regenerative brake form total braking force together with hydraulic braking.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (9)
1. a motor-driven EHB, is characterized in that: comprising:
Brake pedal;
The pedal displacement sensor of brake pedal displacement is stepped on for obtaining chaufeur;
Secondary master cylinder, is used for pedal sense simulation during normal brake application, lost efficacy when backing up and be directly used in braking;
For treadle effort ACTIVE CONTROL and the pedal simulator pressure sensor judged that lost efficacy;
For the line traffic control electromagnetic valve of treadle effort ACTIVE CONTROL;
For simulating the pedal simulator of pedal brake sensation;
For realizing the switch valve that brake pedal and brake circuit decoupling zero, hydraulic failure back up;
For realizing the switch valve of master cylinder ante-chamber fluid infusion effect;
For promoting the push rod of master cylinder piston;
Automatically controlled Linear Moving Module, the convert rotational motion of motor is the straight-line motion of push rod by mechanical mechanism by it, controls motor, thus realize the Linear Control of brake-pressure by displacement signal;
Master brake cylinder, it comprises three hydraulic cavities, and before traditional master cylinder first chamber, add a chamber, this master brake cylinder is coupled with wheel of vehicle brake hydraulic through ABS/ESP module;
One chamber of described increase is master cylinder ante-chamber, and it is connected with secondary master cylinder and fluid reservoir respectively by hydraulic tubing, two pipelines all has an electromagnetic valve; The electromagnetic valve be connected with secondary master cylinder completes the decoupling zero of pedal and brake circuit when system worked well, be communicated with master cylinder ante-chamber and secondary master cylinder during thrashing, realizes hydraulic pressure backup; The electromagnetic valve be connected with fluid reservoir realizes the effect to the fluid infusion of master cylinder ante-chamber when normal brake application, play the effect of closed secondary master cylinder when thrashing;
ABS/ESP module, the i.e. anti-skid brake system/electronic stability controlling system module of vehicle, it can the hydraulic braking force of the passive and each wheel cylinder of active adjustment;
ECU (Electrical Control Unit) ECU, the total braking force of this time braking needs is gone out according to pedal displacement calculated signals, then calculate according to motor, battery status the regenerative braking force that vehicle can produce, total braking force is the braking force that described EHB needs to produce after deducting regenerative braking force, and it is controlled by motor.
2. motor-driven EHB according to claim 1, it is characterized in that: described pedal simulator pressure sensor is arranged on the brake piping between described secondary master cylinder and described pedal simulator, measure this brake piping hydraulic coupling, for identification and the control of pedal sense analog feedback of braking intention; On the line traffic control electromagnetic valve of the treadle effort ACTIVE CONTROL pipeline between pedal simulator and fluid reservoir, play the effect of damping adjusting, complete the simulation of pedal sense together with the spring in pedal simulator.
3. motor-driven EHB according to claim 2, it is characterized in that: described automatically controlled Linear Moving Module comprises rotating machine and rotary motion converted to the transmission device of straight-line motion, and transmission device comprises worm-and-wheel gear, pinion and rack or ball-screw; Tooth bar or leading screw are hollow, and push rod passes from its center, free-running fit; The right side of tooth bar contacts with push rod intermediate projections, drives pushrod movement during normal brake application.
4. motor-driven EHB according to claim 3, it is characterized in that: the straight-line motion mechanism in the transmission device of described automatically controlled Linear Moving Module comprises described push rod, there is gap to realize Brake energy recovery between the piston right-hand member of its left end and described secondary master cylinder, right-hand member contacts with described master cylinder piston; During mechanical backup pattern, chaufeur is stepped on brake pedal and is overcome gap between push rod and secondary master cylinder piston, rigid contact, directly promotes master cylinder piston braking.
5. motor-driven EHB according to claim 1, it is characterized in that: brake pedal is connected with secondary master cylinder push rod one end, the push rod at the secondary master cylinder push rod other end and tooth bar center is just right, gap is left in centre, overcome both contacts behind gap, braking force can be transmitted, by promoting master cylinder with the master cylinder piston that push rod often contacts;
Or secondary master cylinder hydraulic pressure pipeline has two branch roads, an electromagnetic valve of leading up to is connected with master cylinder ante-chamber, and this electromagnetic valve is normally open valve, and when opening, braking liquid can enter master cylinder ante-chamber, and another road is connected with pedal simulator inlet;
Or master cylinder comprises three hydraulic cavities: ante-chamber, the first epitrochoidal chamber and the second epitrochoidal chamber; Master cylinder ante-chamber is connected with fluid reservoir by an electromagnetic valve, and this electromagnetic valve is normally closed valve, and the rear effect realizing fluid infusion is opened in energising; First, second epitrochoidal chamber is connected with ABS/ESP module, and wheel cylinder hydraulic pressure power regulates.
6. motor-driven EHB according to claim 1, is characterized in that: pedal simulator export pipeline is connected with fluid reservoir by an electromagnetic valve, and this electromagnetic valve is normally closed valve, active adjustment can simulate pedal reaction force;
Or described automatically controlled Linear Moving Module comprises ECU (Electrical Control Unit) ECU, motor and straight-line motion mechanism, described motor accepts the Torque-adjusting signal control straight-line motion mechanism that ECU (Electrical Control Unit) ECU sends;
Decoupling zero valve cuts out in the normal mode of operation, participates in pedal sense simulation; Under hydraulic pressure backup mode, system cut-off, decoupling zero valve is opened, and realizes braking; Secondary master cylinder push rod promotes push rod after overcoming idle travel and travels forward, thus promotes master cylinder push rod, realizes mechanical backup protection;
Or described automatically controlled Linear Moving Module comprises rotating machine and rotary motion is converted to the transmission device of straight-line motion; Straight-line motion mechanism in the transmission device of automatically controlled Linear Moving Module comprises worm-and-wheel gear and pinion and rack, tooth bar is hollow, centre has a push rod to pass, the piston right-hand member of push rod left end and secondary master cylinder has gap, pedal and hydraulic braking decoupling zero when this gap is in order to realize only having motor braking, depend on the maximum regenerative braking force that motor can produce; Push rod right-hand member contacts with master cylinder connecting link; When being in mechanical backup pattern, overcoming the gap between push rod and secondary master cylinder piston, rigid contact, directly promoting master cylinder piston braking;
Or this motor-driven EHB completes hydraulic pressure backup effect by decoupling zero valve, completes mechanical backup effect by push rod; Under normal work, system electrification, decoupling zero valve cuts out, and secondary master cylinder piston travels forward an idle travel, and the displacement of this section of idle travel can produce maximum regenerative braking force according to motor and can calculate; Under hydraulic pressure backup mode, system cut-off, decoupling zero valve is opened, and the braking liquid in secondary master cylinder enters master cylinder ante-chamber MC0, promotes master cylinder piston; Under mechanical backup pattern, secondary master cylinder piston contacts with push rod after overcoming idle travel, promotes push rod, promotes master cylinder piston further and brakes.
7. motor-driven EHB according to claim 1, it is characterized in that: by secondary master cylinder, pedal simulator, pedal simulator pressure sensor, electromagnetic valve simulating brake pedal sense, by the flow of electromagnetic valve for adjusting, ACTIVE CONTROL is carried out to treadle effort;
Or master cylinder ante-chamber is connected with secondary master cylinder, the first epitrochoidal chamber is connected with ABS/ESP module respectively by hydraulic tubing with the second epitrochoidal chamber; Push rod promotes first piston, and the first epitrochoidal chamber promotes the second piston after building pressure and produces the straight-line motion expected, braking liquid flows to ABS/ESP module through hydraulic tubing, then can regulate the braking force that each wheel cylinder produces.
8. motor-driven EHB according to claim 1, is characterized in that:
Also comprise fault localization system, when certain brake component inefficacy et out of order, failure message can be passed to ECU (Electrical Control Unit);
Or also comprise failure warning system, and when fault localization system diagnoses out motor driven liquid to suppress dynamic system malfunctions, alarm activation, the very first time provides warning to chaufeur;
Or when automatically controlled Linear Moving Module lost efficacy, system enters hydraulic pressure backup, all electromagnetic valve power-off, and the braking liquid in secondary master cylinder enters master cylinder ante-chamber, promotes the braking of master cylinder first piston; During mechanical backup, secondary master cylinder connecting link promotes push rod, and push rod acts on master cylinder piston; When losing efficacy backup, the brake fluid pressure of system was provided by people's pin completely; When brake piping lost efficacy, automatically controlled Linear Moving Module was intact, system worked well, and pipeline liquid leakage reminds chaufeur by annunciator.
9. motor-driven EHB according to claim 1, is characterized in that: automatically controlled Linear Moving Module is made up of Outsourcing-type motor, ball screw framework, leading screw is hollow, and wherein push rod can pass.
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Families Citing this family (44)
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| CN110329234A (en) * | 2019-09-02 | 2019-10-15 | 常州江苏大学工程技术研究院 | A kind of braking system of electric car |
| CN110562228B (en) * | 2019-09-10 | 2022-04-19 | 武汉理工大学 | Electric hydraulic power-assisted brake system of automobile |
| CN110979281B (en) * | 2019-12-20 | 2020-10-16 | 湘潭大学 | EHB power-assisted system hydraulic fluctuation impact suppression device and control method |
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| CN113492817A (en) * | 2020-04-08 | 2021-10-12 | 蜂巢智能转向系统(江苏)有限公司保定分公司 | Vehicle braking system and vehicle |
| CN111923886B (en) * | 2020-07-07 | 2022-04-19 | 南京天航智能装备研究院有限公司 | Line-controlled chassis electro-hydraulic composite braking system and control method thereof |
| CN112706727B (en) * | 2021-01-11 | 2021-11-05 | 南京航空航天大学 | Brake system with variable pedal displacement-brake force characteristics and control method thereof |
| CN112896124A (en) * | 2021-01-28 | 2021-06-04 | 中汽创智科技有限公司 | Power assisting system and braking method |
| CN112758071A (en) * | 2021-02-03 | 2021-05-07 | 舜泰汽车有限公司 | Intelligent driving platform integrated intelligent braking system |
| CN113335242A (en) * | 2021-06-23 | 2021-09-03 | 中国第一汽车股份有限公司 | Integrated braking energy recovery system and integrated braking energy recovery method |
| CN113479179A (en) * | 2021-07-28 | 2021-10-08 | 中国第一汽车股份有限公司 | Integrated hydraulic braking system and control method thereof |
| CN113833781B (en) * | 2021-10-28 | 2024-07-23 | 焦作市虹桥制动器股份有限公司 | Electric wheel edge brake |
| CN114954403B (en) * | 2022-05-10 | 2023-06-23 | 浙江亚太机电股份有限公司 | Hydraulic line control braking system |
| CN115402283B (en) * | 2022-09-01 | 2024-02-13 | 合肥工业大学 | Mechanical and hydraulic double-regulation type line control braking system and control method thereof |
| CN115285095B (en) * | 2022-09-05 | 2024-03-01 | 华为数字能源技术有限公司 | Electromechanical braking system and vehicle |
| CN115923749A (en) * | 2022-11-24 | 2023-04-07 | 上海千顾汽车科技有限公司 | Novel full-decoupling electronic hydraulic braking system and vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4206887B2 (en) * | 2003-09-30 | 2009-01-14 | 株式会社日立製作所 | Master cylinder device |
| DE102005018649B4 (en) * | 2005-04-21 | 2018-10-31 | Ipgate Ag | Brake system with electric motor-driven piston-cylinder system |
| CN101152864B (en) * | 2006-09-30 | 2010-05-12 | 比亚迪股份有限公司 | Braking system of electric car |
| DE102007016864A1 (en) * | 2007-04-10 | 2008-10-16 | Robert Bosch Gmbh | Braking system for a vehicle |
| CN103264639B (en) * | 2013-06-14 | 2017-03-15 | 陈晶杰 | Mechanical electronic hydraulic composite braking system and corresponding vehicle |
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