CN106627551A - Integrated uncoupling type electric power-assisted braking system applicable to regenerative braking - Google Patents

Integrated uncoupling type electric power-assisted braking system applicable to regenerative braking Download PDF

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Publication number
CN106627551A
CN106627551A CN201710094660.4A CN201710094660A CN106627551A CN 106627551 A CN106627551 A CN 106627551A CN 201710094660 A CN201710094660 A CN 201710094660A CN 106627551 A CN106627551 A CN 106627551A
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CN
China
Prior art keywords
valve
liquid storage
assisted
power
wheel
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Granted
Application number
CN201710094660.4A
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Chinese (zh)
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CN106627551B (en
Inventor
赵健
胡志强
朱冰
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Jilin University
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Jilin University
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Publication of CN106627551A publication Critical patent/CN106627551A/en
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Classifications

    • 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
    • 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
    • B60T13/10—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 fluid assistance, drive, or release
    • B60T13/12—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 fluid assistance, drive, or release the fluid being liquid
    • B60T13/14—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 fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • B60T13/141—Systems with distributor valve
    • 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
    • B60T13/10—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 fluid assistance, drive, or release
    • B60T13/12—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 fluid assistance, drive, or release the fluid being liquid
    • B60T13/14—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 fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • B60T13/142—Systems with master cylinder
    • 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
    • B60T13/10—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 fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
    • 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
    • B60T13/10—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 fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
    • 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
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/60—Regenerative braking

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Regulating Braking Force (AREA)

Abstract

The invention discloses an integrated uncoupling type electric power-assisted braking system applicable to regenerative braking, which aims at overcoming the problem of complex pedal uncoupling when in pedal feeling simulation and regenerative braking. The integrated uncoupling type electric power-assisted braking system comprises a braking pedal, an integrated electric power-assisted mechanism, a braking main cylinder, a liquid storage cylinder, a hydraulic system, four wheel cylinders and a liquid storage tank, wherein the integrated electric power-assisted mechanism comprises a braking pedal push rod and a braking push rod; a liquid-storage piston rod of the liquid storage cylinder is connected with a liquid-storage ball screw; the liquid storage cylinder is connected with a port A of a reversing valve of the hydraulic system; the braking pedal push rod is connected with the braking pedal; the braking push rod is connected with the braking main cylinder which is connected with the liquid storage tank; an oil port of a second chamber of the braking main cylinder is connected with a port P of a front-shaft isolating valve in the hydraulic system; an oil port of a first chamber of the braking main cylinder is connected with a port P of a rear-shaft isolating valve of the hydraulic system; a left-front-wheel pressure reducing valve and a right-front-wheel pressure reducing valve of the hydraulic system are connected with the wheel cylinders of two front wheels; and a right-rear-wheel pressure reducing valve and a left-rear-wheel pressure reducing valve of the hydraulic system are connected with the wheel cylinders of two rear wheels.

Description

Suitable for the integrated decoupling type electric booster braking system of regenerative braking
Technical field
The present invention relates to a kind of electric booster braking system for belonging to AE field, more precisely, this It is bright to be related to a kind of integrated decoupling type electric booster braking system suitable for regenerative braking.
Background technology
1. brake boost
At present, the brake fluid system of most automobiles adopts vacuum servo, and being applied in new-energy automobile then needs individually With extracting vacuum, this scheme increases vavuum pump newly to vacuum pump, increased cost, is unfavorable for that space is arranged.Another some vapour Car adopts motor power brake, and power-assisted size is controllable, it is not necessary to vavuum pump, saves arrangement space.
2. Regenerative Braking Technology
Automobile regenerative braking can realize the recovery of automobile brake energy, increase the utilization rate of automobile gross energy.Regeneration system It is dynamic to refer to new-energy automobile in deceleration or braking, generation braking moment is dragged using motor is counter, drive shaft is acted on, by automobile Some mechanical can change into electric energy and store in energy-storage travelling wave tube.Regenerative braking force instead of part drive shaft and rub during this Brake force is wiped, therefore can accordingly reduce the size of drive shaft friction brake force, it is ensured that total braking force size and in front and back axle braking force point With meeting brake legislation requirement.
3. brake pedal decoupling and pedal sense simulation
The presence of regenerative braking force instead of part drive shaft friction brake force, it is therefore desirable to will produce this partial frictional system The brake fluid of power is individually stored, and realizes the decoupling of brake pedal and wheel cylinder.For the vapour using vacuum booster Car, because vacuum booster assist characteristic is fixed, needs design to have the pedal sense simulation of the PV characteristics for meeting pedal sense requirement Pedal sense when device is to keep pedal to decouple is constant, complex.And electric booster braking system is big by regulation motor power-assisted It is little to meet different pedal sense requirements, the liquid storage cylinder of a variable volume need to be only increased during decoupling, will be many during regenerative braking Remaining brake fluid imports the decoupling that pedal and wheel cylinder are capable of achieving in liquid storage cylinder.
The content of the invention
The technical problem to be solved is pedal sense simulation and the regenerative braking for overcoming prior art presence When the complicated problem of pedal decoupling, there is provided suitable for the integrated decoupling type electric booster braking system of regenerative braking.
To solve above-mentioned technical problem, the present invention adopts the following technical scheme that realization：Described one kind is applied to again The integrated decoupling type electric booster braking system of raw braking include brake pedal, integrated electric servomechanism, master cylinder, Liquid storage cylinder, hydraulic system, the near front wheel wheel cylinder, off-front wheel wheel cylinder, off hind wheel wheel cylinder, left rear wheel wheel cylinder and fluid reservoir.
Described hydraulic system includes front axle hydraulic system and rear axle hydraulic system；
The right-hand member of the liquid storage piston rod of described liquid storage cylinder loads integrated electric from the N mouths of integrated electric servomechanism In servomechanism, and employing is bolted on the right side wall of liquid storage ball-screw of integrated electric servomechanism, liquid storage cylinder Left end interface be connected with the A mouth pipelines of the reversal valve of front axle hydraulic system, the brake pedal of integrated electric servomechanism is pushed away The right-hand member of bar is connected with brake pedal, the right-hand member of first piston in the brake pushrod and master cylinder of integrated electric servomechanism Face contact connection, two repairing mouths on master cylinder and the connection of fluid reservoir pipeline, the hydraulic fluid port of the second chamber of master cylinder and front The P mouths pipeline connection of the front axle isolating valve in axle hydraulic system；The hydraulic fluid port and rear axle hydraulic system of the first chamber of master cylinder In rear axle isolating valve P mouths pipeline connection；The near front wheel pressure-reducing valve in front axle hydraulic system and the interface of off-front wheel pressure-reducing valve one End is connected respectively with the near front wheel wheel cylinder with off-front wheel wheel cylinder pipeline, and the off hind wheel pressure-reducing valve in rear axle hydraulic system subtracts with left rear wheel One interface of pressure valve is connected respectively with off hind wheel wheel cylinder with left rear wheel wheel cylinder pipeline, the front axle plunger displacement pump and rear axle in hydraulic system Plunger displacement pump is respectively adopted the left and right output end connection of shaft coupling and same motor.
Front axle hydraulic system described in technical scheme also include decoupling check valve, check valve, front Shaft damper, two Before number check valve, front axle inlet valve, left front samsara liquid check valve, the near front wheel pressure charging valve, front axle accumulator, No. three check valves, the right sides Wheel pressure charging valve returns liquid check valve with off-front wheel.
The P mouths of described reversal valve are connected with the B mouth pipelines of front axle isolating valve, B mouths and the decoupling check valve of reversal valve Oil-in pipeline connects, and decouples the oil-out of check valve and the oil-in of front axle plunger displacement pump, No. three check valve oil-outs and front axle The one hydraulic fluid port pipeline connection of inlet valve；The P mouths and another hydraulic fluid port of front axle inlet valve of front axle isolating valve are fuel-displaced with No. two check valves Mouth pipeline connection, the A mouths of front axle isolating valve and the P mouths of the near front wheel pressure charging valve, the P mouths of off-front wheel pressure charging valve, left front samsara liquid list Oil-out, off-front wheel to valve returns liquid check valve, one end of front Shaft damper and is connected with the oil-in pipeline of No. two check valves；Before The port of export of axle plunger displacement pump is connected with the oil-in pipeline of a check valve, the oil-out of a check valve and front Shaft damper Other end pipeline connects, and the described A mouths of the near front wheel pressure charging valve and the oil-in of left front samsara liquid check valve reduces pressure with the near front wheel The one hydraulic fluid port pipeline connection of valve, the A mouths of off-front wheel pressure charging valve and off-front wheel return the liquid feeding end and off-front wheel pressure-reducing valve of liquid check valve Hydraulic fluid port pipeline connection, another hydraulic fluid port of the near front wheel pressure-reducing valve and another hydraulic fluid port of off-front wheel pressure-reducing valve and front axle accumulator One end is connected with the oil-in pipeline of No. three check valves.
Rear axle hydraulic system described in technical scheme also include rear axle isolating valve, No. four check valves, rear Shaft damper, five Number check valve, rear axle inlet valve, off hind wheel return liquid check valve, left back samsara liquid check valve, off hind wheel pressure charging valve, left rear wheel supercharging Valve, rear axle accumulator and No. six check valves.
The oil-out pipeline of the P mouths of described rear axle isolating valve and a hydraulic fluid port of rear axle inlet valve and No. five check valves connects Connect, the oil-in of the A mouths of rear axle isolating valve and No. five check valves, the left end of rear Shaft damper, off hind wheel go back to going out for liquid check valve Hydraulic fluid port, the oil-out of left back samsara liquid check valve, the P mouths of off hind wheel pressure charging valve are connected with the P mouth pipelines of left rear wheel pressure charging valve；Afterwards The oil-in of axle plunger displacement pump and another hydraulic fluid port of rear axle inlet valve are connected with No. six check valve oil-out pipelines, rear axle plunger displacement pump Oil-out is connected with the oil-in pipeline of No. four check valves, the right-hand member pipeline of the oil-out of No. four check valves and rear Shaft damper 28 Connection；One hydraulic fluid port pipeline of oil-in and off hind wheel pressure-reducing valve that the A mouths of off hind wheel pressure charging valve and off hind wheel return liquid check valve connects Connect, the oil-in of the A mouths of left rear wheel pressure charging valve and left back samsara liquid check valve is connected with an interface pipeline of left rear wheel pressure-reducing valve, Another hydraulic fluid port of off hind wheel pressure-reducing valve with and another interface of left rear wheel pressure-reducing valve and one end of rear axle accumulator with No. six unidirectionally The oil-in pipeline connection of valve.
Integrated electric servomechanism described in technical scheme includes No. 1 electric boosted mechanism, No. 2 electric boosted mechanisms With transmission mechanism；Described transmission mechanism includes servodrive gear, assist motor, motor pinion, clutch, liquid storage one-level Gear, liquid storage secondary gear and liquid storage travelling gear；Described servodrive gear set is simultaneously fixedly connected on No. 1 electricity using key On the power-assisted feed screw nut of dynamic servomechanism, motor pinion is arranged on the output shaft of assist motor by key, the little tooth of motor Wheel is connected with servodrive gear external toothing；
Clutch connects the output shaft of liquid storage one-stage gear and assist motor, liquid storage one-stage gear and liquid storage setting up and down Secondary gear external toothing connects, and liquid storage secondary gear is connected with liquid storage travelling gear external toothing setting up and down, liquid storage driving cog Wheel is set with and is fixedly connected on the liquid storage feed screw nut of No. 2 electric boosted mechanisms using key.
No. 1 electric boosted mechanism described in technical scheme includes power-assisted feed screw nut, reaction plate, power-assisted valve body, power-assisted Ball-screw, brake pushrod and brake pedal push rod；Described power-assisted valve body is arranged on the inside of power-assisted ball-screw, and braking is stepped on Plate push rod is inserted in power-assisted body cavity by the right through hole in power-assisted ball-screw and power-assisted valve body center, and inserts power-assisted valve body In left through hole, but distance is stretched out left through hole and is reserved with 2～3mm gaps, right side wall and the power-assisted ball-screw right side of power-assisted valve body The interior sidewall surface of wall contacts；The power-assisted ball-screw of power-assisted valve body is installed to be arranged in power-assisted feed screw nut, power-assisted ball It is the ball of power-assisted ball-screw between leading screw and power-assisted feed screw nut；Discoidal reaction plate is arranged on power-assisted body cavity Left side, the right side of reaction plate contacts with the left side of annulus bodily form boss built-in on the left of power-assisted valve body, a left side for reaction plate End face contacts with the right side of push rod.
Power-assisted valve body described in technical scheme is hollow cylinder mode part, external diameter and the power-assisted ball of power-assisted valve body The internal diameter of leading screw is identical, and the center of power-assisted valve body right side wall is provided with the right through hole in center, and left side is open type, but built-in one Cross section is the boss of the annulus bodily form of rectangle, and the center of the boss of the annulus bodily form is provided with a left through hole, left through hole and the right side The aperture of through hole is identical, and left through hole overlaps with the axis of rotation of right through hole with the axis of rotation of power-assisted valve body.
No. 2 electric boosted mechanisms described in technical scheme include liquid storage feed screw nut and liquid storage ball-screw.Described Liquid storage ball-screw is hollow type structural member, and the right-hand member of liquid storage ball-screw is provided with right side wall, be evenly equipped with right side wall 3 from On the through hole that its outer surface is got through axially inward, the through hole on liquid storage ball-screw right side wall and liquid storage piston rod right-hand member boss Tapped blind hole relatively just, i.e., the tapped blind hole on through hole on liquid storage ball-screw right side wall and liquid storage piston rod right-hand member boss Rotation conllinear；The internal orifice dimension of liquid storage ball-screw is equal with the external diameter of liquid storage piston rod right-hand member boss, is provided with liquid storage The liquid storage ball-screw of piston rod is arranged in liquid storage feed screw nut, is liquid storage between liquid storage ball-screw and liquid storage feed screw nut The ball of ball-screw.
Liquid storage cylinder described in technical scheme includes liquid storage cylinder body, liquid storage piston rod and spring.Described liquid storage piston rod Left end is piston, and piston diameter is equal with the internal diameter of liquid storage cylinder body, and right-hand member is push rod, rod diameter and liquid storage cylinder body right-hand member casing wall On central through hole internal diameter it is equal, push rod right-hand member is provided with cylindrical boss, cylindrical boss diameter and integrated electric booster engine The internal diameter of the liquid storage ball-screw in structure is equal, and boss right-hand member is axially disposed to have equally distributed 3 to utilize bolt by liquid storage Piston rod is fixed on the tapped blind hole on liquid storage ball-screw right side wall；Liquid storage piston rod loads in liquid storage cylinder body, liquid storage piston To be slidably connected between bar and liquid storage cylinder body, the right-hand member of liquid storage piston rod stretches out from the right-hand member of liquid storage cylinder body, and spring is sleeved on storage On push rod in liquid piston rod, the right side of spring is connected with the right flank contact of liquid storage piston rod left end piston, the right side of spring End face is fixed on the madial wall of liquid storage cylinder body right-hand member.
Compared with prior art the invention has the beneficial effects as follows：
1. the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is helped using motor Dynamic braking, does not rely on vacuum, and can keep the pedal sense similar to vacuum booster；
2. the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is in regenerative braking When, by regulation motor assist characteristic, pedal sense can be kept constant；
3. the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is set by structure Meter makes master cylinder brake fluid amount removed equal with liquid storage cylinder brake fluid liquid inlet volume, and control is more convenient；
4. the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention realizes regeneration Braking is braked with the coordination of friction catch, can as far as possible reclaim braking energy.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention is further illustrated：
Fig. 1 is the integrated decoupling type electric booster braking system structure composition suitable for regenerative braking of the present invention Schematic diagram；
Fig. 2 is the integrated decoupling type electric booster braking system integration electricity suitable for regenerative braking of the present invention Dynamic servomechanism structure composition schematic diagram；
Fig. 3 is that the integrated decoupling type electric booster braking system liquid storage cylinder suitable for regenerative braking of the present invention is tied Structure composition schematic diagram；
Fig. 4 is the integrated decoupling type electric booster braking system conventional brake suitable for regenerative braking of the present invention And operating mode schematic diagram during abs braking；
Fig. 5 is that the integrated decoupling type electric booster braking system ESP suitable for regenerative braking of the present invention is braked When operating mode schematic diagram；
Fig. 6 is the integrated decoupling type electric booster braking system regenerative braking suitable for regenerative braking of the present invention Intensity increase and not up to maximum when operating mode schematic diagram；
Fig. 7 is the integrated decoupling type electric booster braking system regenerative braking suitable for regenerative braking of the present invention Operating mode schematic diagram when intensity keeps；
Fig. 8 is the integrated decoupling type electric booster braking system regenerative braking suitable for regenerative braking of the present invention Operating mode schematic diagram when intensity reduces and total severity of braking is constant；
Fig. 9 is the integrated decoupling type electric booster braking system regenerative braking suitable for regenerative braking of the present invention Operating mode schematic diagram when intensity reduces and total severity of braking increases；
Figure 10-a are that the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention regenerates When severity of braking reduces and total severity of braking is reduced, the operating mode schematic diagram that wheel cylinder hydraulic pressure is first reduced；
Figure 10-b are that the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention regenerates When severity of braking reduces and total severity of braking is reduced, the operating mode schematic diagram reduced after regenerative braking hydraulic pressure；
In figure:1. brake pedal, 2. integrated electric servomechanism, 3. master cylinder, 4. liquid storage cylinder, 5. rear axle isolation Valve, 6. reversal valve, 7. front axle isolating valve, 8. decouples check valve, 9. front axle plunger displacement pump, 10. a check valve, the damping of 11. front axles Device, 12. No. two check valves, 13. front axle inlet valves, 14. left front samsara liquid check valves, 15. the near front wheel pressure charging valves, 16. front axles store Energy device, 17. No. three check valves, 18. off-front wheel pressure charging valves, 19. off-front wheels time liquid check valve, 20. the near front wheel pressure-reducing valves, 21. is right Front-wheel pressure-reducing valve, 22. the near front wheel wheel cylinders, 23. off-front wheel wheel cylinders, 24. off hind wheel wheel cylinders, 25. left rear wheel wheel cylinders, jack-post after 26. Plug pump, 27. No. four check valves, Shaft damper after 28., 29. No. five check valves, 30. rear axle inlet valves, 31. off hind wheels return liquid list To valve, 32. off hind wheel pressure charging valves, 33. rear axle accumulators, 34. No. six check valves, 35. left rear wheel pressure charging valves, 36. left back samsaras Liquid check valve, 37. off hind wheel pressure-reducing valves, 38. left rear wheel pressure-reducing valves, 39. servodrive gears, 40. power-assisted feed screw nuts, 41. Reaction plate, 42. power-assisted valve bodies, 43. power-assisted ball-screws, 44. assist motors, 45. motor pinions, 46. clutches, 47. storages Liquid one-stage gear, 48. liquid storage secondary gears, 49. liquid storage travelling gears, 50. liquid storage feed screw nuts, 51. liquid storage ball-screws, 52. liquid storage piston rods, 53. brake pushrods, 54. brake pedal push rods, 55. fluid reservoirs.
Specific embodiment
The present invention is explained in detail below in conjunction with the accompanying drawings：
Refering to Fig. 1, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is suitable for It is front axle decoupling type brakes in the automobile of II types brake piping arrangement.
The described integrated decoupling type electric booster braking system suitable for regenerative braking includes brake pedal 1, one Change electric boosted mechanism 2, master cylinder 3, liquid storage cylinder 4, hydraulic system, the near front wheel wheel cylinder 22, off-front wheel wheel cylinder 23, off hind wheel wheel Cylinder 24, left rear wheel wheel cylinder 25 and fluid reservoir 55.
The hydraulic system of the described integrated decoupling type electric booster braking system suitable for regenerative braking includes front axle Hydraulic system and rear axle hydraulic system, include the part that can be decoupled in front axle hydraulic system.
Described front axle hydraulic system includes reversal valve 6, front axle isolating valve 7, decoupling check valve 8, front axle plunger displacement pump 9, Number check valve 10,11, No. two check valves 12 of front Shaft damper, front axle inlet valve 13, left front samsara liquid check valve 14, off-front wheel are returned Liquid check valve 19, the near front wheel pressure charging valve 15, off-front wheel pressure charging valve 18,16, No. three check valve 17, the near front wheel decompressions of front axle accumulator Valve 20 and off-front wheel pressure-reducing valve 21.
The P mouths of described reversal valve 6 are connected with the B mouth pipelines of front axle isolating valve 7, the left end mouthpiece of A mouths and liquid storage cylinder 4 Road connects, and the B mouths of reversal valve 6 are connected with the arrival end pipeline of decoupling check valve 8, its P mouth when reversal valve 6 is operated in left position It is the normality of reversal valve 6 with A mouths to connect, its A mouth is to connect with B mouths when reversal valve 6 is operated in right end position.
Described front axle isolating valve 7 is 3-position-3-way solenoid directional control valve, the of the P mouths of front axle isolating valve 7 and master cylinder 3 The hydraulic fluid port pipeline connection of two chambers, the A mouths and the near front wheel pressure charging valve 15 of front axle isolating valve 7, the P mouth pipelines of off-front wheel pressure charging valve 18 Connection, the B mouths of front axle isolating valve 7 are connected with the P mouth pipelines of reversal valve 6, its P mouth when front axle isolating valve 7 is operated in right end position It is the normality of front axle isolating valve 7 with A mouths to connect, its P mouth, A mouths and B mouths are mutual when front axle isolating valve 7 is operated in centre position Do not connect, its P mouth is to connect with B mouths when front axle isolating valve 7 is operated in left position；Using pipeline and connect one between P mouths and A mouths Individual No. two check valves 12, the entrance of No. two check valves 12 connects A mouths, and the outlet of No. two check valves 12 connects P mouths.
The described decoupling arrival end of check valve 8 is connected with the B mouth pipelines of reversal valve 6, and the port of export enters with front axle plunger displacement pump 9 The connection of mouth end pipe road.
Described front axle plunger displacement pump 9 is respectively adopted the left and right output end of shaft coupling and same motor with rear axle plunger displacement pump 26 Connection, the arrival end of front axle plunger displacement pump 9 and the other end of front axle inlet valve 13, No. three ports of export of check valve 17 and decoupling check valve 8 port of export pipeline connection；The port of export of front axle plunger displacement pump 9 is connected with the arrival end pipeline of a check valve 10, and No. one unidirectional The port of export of valve 10 is connected with one end pipeline of front Shaft damper 11, the other end of front Shaft damper 11 and the A mouths of front axle isolating valve 7 Pipeline connects.
Described front axle inlet valve 13 be normally closed type two-position two-way electromagnetic directional valve, an interface end of front axle inlet valve 13 with The second chamber pipeline connection of master cylinder 3, another interface end of front axle inlet valve 13 and the arrival end pipeline of front axle plunger displacement pump 9 Connection.
It is i.e. high that described the near front wheel pressure charging valve 15 and off-front wheel pressure charging valve 18 is two-position two-way electromagnetic directional valve open in usual The liquid feeding end of fast switch valve, the near front wheel pressure charging valve 15 and off-front wheel pressure charging valve 18 be P mouths with the A mouth pipelines of front axle isolating valve 7 The outlet end of connection, the near front wheel pressure charging valve 15 and off-front wheel pressure charging valve 18 is that A mouths connect respectively the near front wheel wheel cylinder 22 and off-front wheel Wheel cylinder 23.
Described left front samsara liquid check valve 14 and off-front wheel returns the liquid feeding end of liquid check valve 19 and increases with the near front wheel respectively The A mouths pipeline connection of pressure valve 15 and off-front wheel pressure charging valve 18, left front samsara liquid check valve 14 and off-front wheel return liquid check valve 19 Outlet end be connected with the P mouth pipelines of the near front wheel pressure charging valve 15 and off-front wheel pressure charging valve 18 respectively.
Described the near front wheel pressure-reducing valve 20 and off-front wheel pressure-reducing valve 21 is normally closed type two-position two-way electromagnetic directional valve i.e. High-speed switch valve, the near front wheel pressure-reducing valve 20 and the interface end of off-front wheel pressure-reducing valve 21 1 respectively with the near front wheel wheel cylinder 22 and off-front wheel wheel The pipeline of cylinder 23 connects, the near front wheel pressure-reducing valve 20 and another interface end of off-front wheel pressure-reducing valve 21 with No. three import end pipes of check valve 17 Road connects.
Before described front axle accumulator 16 and the entrance point of No. three check valves 17, an interface of the near front wheel pressure-reducing valve 20 and the right side The one interface pipeline connection of wheel pressure-reducing valve 21.
Described rear axle hydraulic system includes rear axle isolating valve 5,26, No. four check valve 27, the rear axle dampings of rear axle plunger displacement pump 28, No. five check valves 29 of device, rear axle inlet valve 30, off hind wheel return liquid check valve 31, left back samsara liquid check valve 36, off hind wheel and increase Pressure valve 32, left rear wheel pressure charging valve 35,33, No. six check valves 34 of rear axle accumulator, off hind wheel pressure-reducing valve 37 and left rear wheel pressure-reducing valve 38。
Described rear axle isolating valve 5 is open and close valve for two-position two-way electromagnetic directional valve open in usual, the P mouths of rear axle isolating valve 5 It is connected with the first chamber pipeline of master cylinder 3, A mouths and off hind wheel pressure charging valve 32 and the left rear wheel pressure charging valve of rear axle isolating valve 5 35 P mouths pipeline connection.
Described rear axle plunger displacement pump 26 is respectively adopted the left and right output end of shaft coupling and same motor with front axle plunger displacement pump 9 Connection, the arrival end of rear axle plunger displacement pump 26 and another interface end of rear axle inlet valve 30 connect with No. six port of export pipelines of check valve 34 Connect, the port of export of rear axle plunger displacement pump 26 is connected with the arrival end pipeline of No. four check valves 27, the port of export of No. four check valves 27 with One end pipeline connection of Shaft damper 28 afterwards, the other end of rear Shaft damper 28 is connected with the A mouth pipelines of rear axle isolating valve 5.
Described rear axle inlet valve 30 is open and close valve for normally closed type two-position two-way electromagnetic directional valve, and rear axle inlet valve 30 1 connects Mouthful end is connected with the hydraulic fluid port pipeline of the first chamber of master cylinder 3, another interface end of rear axle inlet valve 30 and rear axle plunger displacement pump 26 Arrival end pipeline connection.
It is i.e. high that described off hind wheel pressure charging valve 32 and left rear wheel pressure charging valve 35 is two-position two-way electromagnetic directional valve open in usual The P mouths of fast switch valve, off hind wheel pressure charging valve 32 and left rear wheel pressure charging valve 35 are connected with the A mouth pipelines of rear axle isolating valve 5, behind the right side The A mouths of wheel pressure charging valve 32 and left rear wheel pressure charging valve 35 are connected respectively with off hind wheel wheel cylinder 24 with the pipeline of left rear wheel wheel cylinder 25.
Described off hind wheel returns liquid check valve 31 and is pressurized with off hind wheel respectively with the liquid feeding end of left back samsara liquid check valve 36 Valve 32 is connected with the A mouth pipelines of left rear wheel pressure charging valve 35, and off hind wheel returns liquid check valve 31, left back samsara liquid check valve 36 and goes out liquid End connects respectively with the P mouths pipeline of off hind wheel pressure charging valve 32, left rear wheel pressure charging valve 35.
Described off hind wheel pressure-reducing valve 37, left rear wheel pressure-reducing valve 38 are normally closed type two-position two-way electromagnetic directional valve i.e. at a high speed Switch valve, an interface end of off hind wheel pressure-reducing valve 37 and left rear wheel pressure-reducing valve 38 successively with off hind wheel wheel cylinder 24 and left rear wheel wheel cylinder 25 pipelines connect, another interface end and No. six entrance point pipelines of check valve 34 of off hind wheel pressure-reducing valve 37 and left rear wheel pressure-reducing valve 38 Connection.
The described interface end of rear axle accumulator 33 and the entrance point of No. six check valves 34, the another of off hind wheel pressure-reducing valve 37 connects Mouth end, another interface end pipeline connection of left rear wheel pressure-reducing valve 38.
Each described valve, is electrically-controlled valve in addition to single valve, controls in difference according to the braking control strategy in braking ECU In different valve positions under operating mode.
Described master cylinder 3 is the master cylinder suitable for passenger car, master cylinder 3 include master cylinder body, second Piston and first piston；Master cylinder intracoelomic cavity is divided into 3 independent spaces by second piston and first piston, from left to right according to It is secondary for second chamber, first chamber and right chamber room.
The center of described right piston right flank is provided with hemispheric groove, and the left end of brake pushrod 53 is arranged to half Spherical top, the radius of curvature of hemispherical groove is identical with the radius of curvature on the hemispherical top of the left end of brake pushrod 53, The left end of brake pushrod 53 coordinates installation with the hemispherical groove in right piston in master cylinder 3, that is, brake pushrod 53 when assembling Left side extend into the right chamber room of master cylinder 3, be connected with the hemispherical groove contact in the right piston of master cylinder 3, It is not connected between the two.
Refering to Fig. 2, described integrated electric servomechanism 2 includes No. 1 electric boosted mechanism, No. 2 electric boosted mechanisms With transmission mechanism；
No. 1 described electric boosted mechanism includes power-assisted feed screw nut 40, reaction plate 41, power-assisted valve body 42, power-assisted ball Leading screw 43, brake pushrod 53 and brake pedal push rod 54.
Described transmission mechanism includes servodrive gear 39, assist motor 44, motor pinion 45, clutch 46, storage Liquid one-stage gear 47, liquid storage secondary gear 48 and liquid storage travelling gear 49；
No. 2 described electric boosted mechanisms include liquid storage feed screw nut 50 and liquid storage ball-screw 51.
Described motor pinion 45 is scheduled on the output shaft of assist motor 44 by keying, motor pinion 45 and power-assisted The external toothing of travelling gear 39.Servodrive gear 39 is set with and is fixedly connected on power-assisted feed screw nut 40 using key.Power-assisted silk Thick stick nut 40 rotates under the drive of servodrive gear 39, so as to drive power-assisted ball-screw 43 to do axial linear movement.Power-assisted The inside of ball-screw 43 is hollow, and the right side wall center of power-assisted ball-screw 43 is provided with the right through hole in center, power-assisted ball wire The internal diameter of thick stick 43 is identical with the external diameter of power-assisted valve body 42, and the convert rotational motion of power-assisted feed screw nut 40 is power-assisted ball-screw 43 Linear motion, while promoting power-assisted valve body 42 to move along a straight line.
Described power-assisted valve body 42 is arranged on the inside of power-assisted ball-screw 43, and power-assisted valve body 42 is tied for hollow drum type brake Component, the right side wall center of power-assisted valve body 42 is provided with the right through hole in center, and left side is bottomless to be open type, but it is built-in one it is transversal Face is the boss of the annulus bodily form of rectangle, and the center of boss is provided with a left through hole, and left through hole is identical with the aperture of right through hole, Left through hole overlaps with the axis of rotation of right through hole with the axis of rotation of power-assisted valve body 42, and brake pedal push rod 54 can pass through power-assisted Inside the right through hole of valve body 42 insertion power-assisted valve body 42, and left through hole is inserted, but distance is stretched out left through hole and is reserved with gap, about 2～ 3mm, the right side wall of power-assisted valve body 42 contacts with the medial surface of the right side wall of power-assisted ball-screw 43, pushes away in power-assisted ball-screw 43 Dynamic lower power-assisted valve body 42 moves along a straight line, and is the rolling of power-assisted ball-screw between power-assisted ball-screw 43 and power-assisted feed screw nut 40 Pearl.
Described reaction plate 41 is disc-shaped structure part, installed in the left side of the inner chamber of power-assisted valve body 42, the right side of reaction plate 41 The left side of the end face annulus bodily form boss built-in with the left side of power-assisted valve body 42 contacts, and left side and the braking of reaction plate 41 are pushed away The right side of bar 53 contacts, as brake pedal push rod 54 is moved to left and is eliminated after preset clearance, the right side of reaction plate 41 Also contact with the left side of brake pedal push rod 54, motor power-assisted and manual braking's power are passed to brake pushrod by reaction plate 41 53, brake pushrod 53 is so as in the right piston for acting on master cylinder 3.
The described left end of brake pushrod 53 makes the hemispherical of evagination, the center of the right flank of the right piston of master cylinder 3 Place is provided with hemispheric groove, the hemisphere on the hemispherical top of the left end of brake pushrod 53 and the right piston of master cylinder 3 The groove fit of shape, that is, the left end of brake pushrod 53 stretches out from the M mouths of integrated electric servomechanism 2 when assembling, and extend into system In the right chamber room of dynamic master cylinder 3, it is connected with the hemispherical groove contact in the right piston of master cylinder 3, is not connected between the two, makes The right-hand member of dynamic push rod 53 contacts with the left side of reaction plate 41, receives power that reaction plate 41 transmits and passes to master cylinder 3 Right piston.
Described clutch 46 connects the output shaft of liquid storage one-stage gear 47 and assist motor 44, according to braking control strategy The combination of control liquid storage one-stage gear 47 and the output shaft of assist motor 44 is separated.Liquid storage secondary gear 48 with it is setting up and down Liquid storage one-stage gear 47 and the connection of external toothing simultaneously of liquid storage travelling gear 49.Outside liquid storage travelling gear 49 and liquid storage secondary gear 48 Engagement, liquid storage travelling gear 49 is set with and is fixedly connected on liquid storage feed screw nut 50 using key.Liquid storage feed screw nut 50 is in storage Liquid travelling gear 49 drives lower rotation, so as to drive liquid storage ball-screw 51 to move along a straight line along its axial direction.
Described liquid storage ball-screw 51 is hollow type structural member, and its right side is provided with right side wall, and 3 are evenly equipped with right side wall The individual through hole got through axially inward from its outer surface, through hole be fitted into the right-hand member boss right side of liquid storage piston rod therein 52 Tapped blind hole at the heart relatively just, i.e., on through hole on the right side wall of liquid storage ball-screw 51 and the right-hand member boss of liquid storage piston rod 52 The rotation conllinear of tapped blind hole；The external diameter phase of the internal orifice dimension of liquid storage ball-screw 51 and the right-hand member boss of liquid storage piston rod 52 Deng, liquid storage piston rod 52 is fixed on the right side wall of liquid storage ball-screw 51 using bolt, the storage of liquid storage piston rod 52 is installed Liquid ball-screw 51 is arranged in liquid storage feed screw nut 50, is liquid storage rolling between liquid storage ball-screw 51 and liquid storage feed screw nut 50 The ball of ballscrew；So as to when liquid storage feed screw nut 50 is rotated, liquid storage ball-screw 51 can drive the edge of liquid storage piston rod 52 Its axis moves along a straight line.
Described integrated electric servomechanism 2 is master cylinder 3 and liquid storage cylinder 4 by the use of assist motor 44 as power source Interior piston movement provides power, and brake pedal push rod 54 is inserted in power-assisted valve body 42 by L mouths, reserved with reaction plate 41 certain Axial gap, for input brake pedal force, reaction plate 41 receives pedal force and the power-assisted of assist motor 44, and is delivered to braking and pushes away Bar 53, brake pushrod 53 is contacted by M mouths with the right piston of master cylinder 3, and drives it to move, and liquid storage piston rod 52 passes through N Mouth is stretched into integrated electric servomechanism 2, and is connected on liquid storage ball-screw 51 so that the piston of liquid storage cylinder 4 can be in power-assisted Motor 44 drives lower axially-movable.
It is secondary transmission by assist motor 44 to power-assisted ball-screw 43 in described integrated electric servomechanism 2, by Assist motor 44 to liquid storage ball-screw 51 is three-level transmission, the linear movement direction phase of brake pushrod 53 and liquid storage piston rod 52 Instead.The power-assisted size of assist motor 44 and output shaft direction of rotation are determined by the braking control strategy braked in ECU.
Refering to Fig. 3, described liquid storage cylinder 4 includes liquid storage cylinder body, liquid storage piston rod 52 and spring；
The described left end of liquid storage piston rod 52 is piston, and piston diameter is equal with the internal diameter of liquid storage cylinder body, and right-hand member is push rod, Rod diameter is equal with the internal diameter of the central through hole on liquid storage cylinder body right-hand member casing wall, and push rod right-hand member is provided with cylindrical boss, boss Right-hand member is axially disposed equally distributed 3 tapped blind holes, and liquid storage piston rod 52 is fixed on into liquid storage ball using bolt On the right side wall of leading screw 51, the lower assist motor 44 of ECU controls drives liquid storage piston rod 52 to move axially, and makes the piston axial direction of liquid storage cylinder 4 The mobile volume for changing liquid storage cylinder 4.
Liquid storage piston rod 52 loads in liquid storage cylinder body, to be slidably connected between liquid storage piston rod 52 and liquid storage cylinder body, liquid storage The right-hand member of piston rod 52 stretches out from the right-hand member of liquid storage cylinder body, and from the N mouths of integrated electric servomechanism 2 liquid storage ball-screw is stretched into In 51 endoporus, and it is connected on the right side wall of liquid storage ball-screw 51 by bolt, the right side of the left end piston of liquid storage piston rod 52 Face is connected with the spring of a push rod being sleeved in liquid storage piston rod 52, and spring right-hand member is fixed on liquid storage cylinder body right-hand member madial wall On, by compression spring when piston moves right, when the left end piston of liquid storage piston rod 52 reaches limit on the right-right-hand limit position, regenerative braking intensity The maximum that the system of reaching can be provided, but due to the restriction of braking control strategy, actual reproduction severity of braking is typically smaller than The maximum intensity that system is limited, therefore the left end piston of liquid storage piston rod 52 is typically not capable of limit on the right-right-hand limit position, the left end of liquid storage cylinder body connects Mouth is connected with the A mouth pipelines of reversal valve 6.
The operation principle of the described integrated decoupling type electric booster braking system suitable for regenerative braking：
Refering to Fig. 1 and Fig. 2, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention When needing power brake, when driver's brake pedal 1, the braking ECU control actions of assist motor 44, carried by assist motor 44 For brake boost, by motor pinion 45, servodrive gear 39, power-assisted feed screw nut 40, power-assisted ball-screw 43, power-assisted Valve body 42, reaction plate 41 and brake pushrod 53 by the convert rotational motion of the output shaft of assist motor 44 for brake pushrod 53 straight line Motion, and active force is applied to master cylinder 3, by the brake fluid press-in braking hydraulic circuit in master cylinder 3.
The second chamber connection front axle brake loop of described master cylinder 3, first chamber connection rear axle brake circuit, then In drive shaft, with front axle as drive shaft in this example, brake piping arrangement form is II types, is solved on front axle for raw braking action Coupling.
Integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention needs pedal to decouple When, brake boost is provided by assist motor 44, clutch 46 is engaged, and liquid storage one-stage gear 47 connects the output of assist motor 44 Axle, by liquid storage secondary gear 48, liquid storage travelling gear 49, liquid storage feed screw nut 50, liquid storage ball-screw 51 and liquid storage piston Bar 52 by the convert rotational motion of the output shaft of assist motor 44 for liquid storage piston rod 52 linear motion, and to the work of liquid storage cylinder 4 Plug applies active force, drives the piston in liquid storage cylinder 3 to move to left, while front axle isolating valve 7 is located at left position, reversal valve 6 is located at left position, Front axle brake liquid is entered in liquid storage cylinder 4, realizes decoupling.
The described integrated decoupling type electric booster braking system suitable for regenerative braking when assist motor 44 fails, Brake pedal push rod 54 overcomes and push directly on after idle stroke reaction plate 41, carries out manual braking.
Refering to Fig. 4, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is being sentenced Break for conventional brake and abs braking operating mode when, front axle isolating valve 7 in right position, i.e. front axle isolating valve P, A mouth connect, commutation Valve 6 is located at P, A mouth of left position, i.e. reversal valve 6 and connects, and rear axle isolating valve 5 is connected, and front axle inlet valve 13, rear axle inlet valve 30 break Open, clutch 46 is separated, liquid storage one-stage gear 47 is separated with the output shaft of assist motor 44, assist motor 44 plays braking and helps Power is acted on, and does not carry out pedal decoupling, and brake fluid is pressurized from master cylinder 3 through front axle isolating valve 7, rear axle isolating valve 5, the near front wheel Valve 15, off-front wheel pressure charging valve 18, off hind wheel pressure charging valve 32, left rear wheel pressure charging valve 36 enter wheel cylinder, the near front wheel pressure charging valve 15, Wheel cylinder supercharging when off-front wheel pressure charging valve 18, off hind wheel pressure charging valve 32 and left rear wheel 35 full-mesh of pressure charging valve, in abs braking operating mode When, supercharging, pressurize, decompression are realized by controlling the high speed opening and closing of pressure charging valve and pressure-reducing valve, both processes are without regenerative braking Participate in, if regenerative braking operating mode is carried out when being judged as conventional brake and abs braking operating mode, regenerative braking work should be exited Condition.
Refering to Fig. 5, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is being sentenced Break for ESP damped conditions when, front axle isolating valve 7 be located at middle position, i.e. front axle isolating valve 7 P, A, B mouth mutually do not connect, reversal valve 6 P, A mouth positioned at left position, i.e. reversal valve 6 is connected, and front axle inlet valve 13, rear axle inlet valve 30 disconnect, and clutch 46 is separated, and makes storage Liquid one-stage gear 47 is separated with the output shaft of assist motor 44, and assist motor 44 plays brake boost effect, does not carry out pedal solution Coupling, brake fluid from master cylinder 3 through front axle inlet valve 13 and rear axle inlet valve 30, front axle plunger displacement pump 9 and rear axle plunger displacement pump 26, A number check valve 10 and No. four check valve 27, front Shaft damper 11 and rear Shaft damper 28, the near front wheel pressure charging valves 15, off-front wheel increase Pressure valve 18, off hind wheel pressure charging valve 32, left rear wheel pressure charging valve 36 enter wheel cylinder, and system can be by the near front wheel pressure charging valve 15, the right side Front-wheel pressure charging valve 18, off hind wheel pressure charging valve 32, left rear wheel pressure charging valve 35 and the near front wheel pressure-reducing valve 20, off-front wheel pressure-reducing valve 21, the right side Trailing wheel pressure-reducing valve 37, left rear wheel pressure-reducing valve 38, front axle accumulator 16 and rear axle accumulator 33 realize ESP brake, this process without Regenerative braking is participated in, if being judged as, regenerative braking operating mode is carried out during ESP damped conditions, should exit regenerative braking work Condition.
Refering to Fig. 6, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is being sentenced Break for regenerative braking intensity enhancing and not up to the operating mode of maximum when, front axle isolating valve 7 be located at left position, i.e. front axle isolating valve 7 The connection of P, B mouth, rear axle isolating valve 5 disconnects, and reversal valve 6 is located at P, A mouth of left position, i.e. reversal valve 6 and connects, front axle inlet valve 13rd, rear axle inlet valve 30 disconnects, and clutch 46 is engaged so that liquid storage one-stage gear 47 is engaged with the output shaft of assist motor 44, The power of assist motor 44 passes through clutch 46, liquid storage one-stage gear 47, liquid storage secondary gear 48, liquid storage travelling gear 49, liquid storage Feed screw nut 50 and liquid storage ball-screw 51 are acted on liquid storage piston rod 52, the output shaft of assist motor 44 during this Convert rotational motion is the linear motion of liquid storage piston rod 52, because assist motor 44 to power-assisted ball-screw 43 is secondary gear Transmission, assist motor 44 to liquid storage ball-screw 51 is the straight line of three-stage cylindrical gear, brake pushrod 53 and liquid storage piston rod 52 The direction of motion is conversely, therefore when assist motor 44 promotes the first piston in master cylinder 3 to be moved to the left with second piston and will brake When hydraulic pressure goes out, liquid storage piston rod 52 moves right so that the volume of liquid storage cylinder 4 increases, and brake fluid is through front axle isolating valve 7, commutation Valve 6 enters liquid storage cylinder 4, is designed by gear ratio and the piston effective area of liquid storage cylinder 4, makes the volume increase of liquid storage cylinder 4 Equal with the amount removed of the inside brake liquid of master cylinder 3, its value size is controlled according to the braking control strategy in braking ECU, due to The brake fluid that master cylinder 3 is removed enters liquid storage cylinder 4, and the wheel cylinder hydraulic pressure of drive shaft wheel does not increase, and drive shaft wheel is not produced Raw brake force, realizes pedal decoupling during regenerative braking, and now because rear axle isolating valve 5 disconnects, rear axle does not produce braking yet Power.
Refering to Fig. 7, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is being sentenced Break for regenerative braking intensity keep operating mode when, front axle isolating valve 7 in right position, i.e. front axle isolating valve 7 P, A mouth connect, rear axle Isolating valve 5 is connected, and reversal valve 6 is located at P, A mouth of left position, i.e. reversal valve 6 and connects, and front axle inlet valve 13, rear axle inlet valve 30 break Open, clutch 46 is separated, assist motor 44 plays brake boost effect, the brake fluid in liquid storage cylinder 4 continues preservation wherein, by Separate in clutch 46, the piston left side in liquid storage cylinder 4 is subject to the inside brake liquid hydraulic action of liquid storage cylinder 4, right side to become free end, But acted on by right side spring in liquid storage cylinder 4, the position of the inner carrier of liquid storage cylinder 4 keeps constant, as severity of braking increases, system The piston of dynamic master cylinder 3 continues to move to left and extrudes brake fluid, the new brake fluid for extruding through front axle isolating valve 7, rear axle isolating valve 5, The near front wheel pressure charging valve 15, off-front wheel pressure charging valve 18, off hind wheel pressure charging valve 32, left rear wheel pressure charging valve 35 enter the near front wheel wheel cylinder 22, Off-front wheel wheel cylinder 23, off hind wheel wheel cylinder 24, left rear wheel wheel cylinder 25, wheel increases brake force, but regenerative braking intensity keeps constant.
Refering to Fig. 8, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is being sentenced Break for the reduction of regenerative braking intensity and total severity of braking constant duty when, front axle isolating valve 7 is in right position, i.e. front axle isolating valve 7 The connection of P, A mouth, rear axle isolating valve 5 disconnects, and reversal valve 6 is located at A, B mouth of right position, i.e. reversal valve 6 and connects, front axle inlet valve 13rd, rear axle inlet valve 30 disconnects, and clutch 46 is separated, and front axle plunger displacement pump 9 works, by the brake fluid in liquid storage cylinder 4 through commutation Valve 6, decoupling check valve 8,9, check valve 10 of front axle plunger displacement pump, front Shaft damper 11, the near front wheel pressure charging valve 15, off-front wheel increase Pressure valve 18 pumps into the near front wheel wheel cylinder 22 and off-front wheel wheel cylinder 23, and as brake fluid is reduced in liquid storage cylinder 4, piston exists in liquid storage cylinder 4 Move to left under spring effect, maximum can arrive limit on the left position, and brake fluid decrement is determined by braking control strategy in liquid storage cylinder 4 Regenerative braking intensity determines that this process does not have new brake fluid to remove from master cylinder 3, the brake fluid that liquid storage cylinder 4 is removed Into in drive shaft wheel cylinder, the reduction amount of regenerative braking intensity is supplemented by the incrementss of drive shaft wheel braking intensity, To keep total severity of braking unchanged.
Refering to Fig. 9, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention is being sentenced Break when increasing operating mode for the reduction of regenerative braking intensity and total severity of braking, i.e. operator demand's severity of braking increase, but system limits The regenerative braking force of system becomes hour, and P, A mouth of the front axle isolating valve 7 in right position, i.e. front axle isolating valve 7 is connected, rear axle isolating valve 5 Connection, reversal valve 6 is located at A, B mouth of right position, i.e. reversal valve 6 and connects, and front axle inlet valve 13, rear axle inlet valve 30 disconnect, left front Wheel pressure charging valve 15, off-front wheel pressure charging valve 18, off hind wheel pressure charging valve 32, left rear wheel pressure charging valve 35 are connected, and the first of master cylinder 3 Piston is moved to left with second piston and extrudes brake fluid, and the new brake fluid for extruding is through front axle isolating valve 7, rear axle isolating valve 5, left front Wheel pressure charging valve 15, off-front wheel pressure charging valve 18, off hind wheel pressure charging valve 32, left rear wheel pressure charging valve 35 are entered before the near front wheel wheel cylinder 22, the right side Wheel wheel cylinder 23, off hind wheel wheel cylinder 24, left rear wheel wheel cylinder 25, clutch 46 is separated, and front axle plunger displacement pump 9 works, by liquid storage cylinder 4 Brake fluid increases through reversal valve 6, decoupling check valve 8,9, check valve 10 of front axle plunger displacement pump, front Shaft damper 11, the near front wheel Pressure valve 15, off-front wheel pressure charging valve 18 pump into the near front wheel wheel cylinder 22, off-front wheel wheel cylinder 23, with braking in liquid storage cylinder 4 Liquid is reduced, and piston is moved to left under the action of the spring in liquid storage cylinder 4, and maximum can arrive limit on the left position, brake fluid decrement in liquid storage cylinder 4 Regenerative braking intensity is determined determined by braking control strategy.
Refering to Figure 10-a, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention exists When being judged as that regenerative braking intensity reduces and total severity of braking reduces operating mode, i.e., operator demand's severity of braking reduces and causes again When raw severity of braking is also required to reduce, wheel cylinder hydraulic pressure should be first reduced, that is, reduce wheel cylinder hydraulic pressure severity of braking, the of master cylinder 3 One piston is moved to right with second piston, and P, A mouth of the front axle isolating valve 7 in right position, i.e. front axle isolating valve 7 is connected, rear axle isolating valve 5 Connection, reversal valve 6 is located at P, A mouth of left position, i.e. reversal valve 6 and connects, and front axle inlet valve 13, rear axle inlet valve 30 disconnect, left front Wheel pressure charging valve 15, off-front wheel pressure charging valve 18, off hind wheel pressure charging valve 32, left rear wheel pressure charging valve 35, the near front wheel pressure-reducing valve 20, off-front wheel Pressure-reducing valve 21, off hind wheel pressure-reducing valve 37, left rear wheel pressure-reducing valve 38 are respectively positioned on normality, front axle plunger displacement pump 9, rear axle plunger displacement pump 26 not work Make, the brake fluid in wheel cylinder returns liquid check valve 19, off hind wheel and returns liquid check valve through left front samsara liquid check valve 14, off-front wheel 31st, the check valve 12, five of left back samsara liquid check valve 36, two check valve 29 sends master cylinder 3 back to.
Refering to Figure 10-b, the integrated decoupling type electric booster braking system suitable for regenerative braking of the present invention exists When being judged as that regenerative braking intensity reduces and total severity of braking reduces operating mode, i.e., operator demand's severity of braking reduces and causes again When raw severity of braking is also required to reduce, when wheel cylinder hydraulic pressure is reduced to after zero, then the brake fluid of liquid storage cylinder 4 is withdrawn into master cylinder In 3, reduce regenerative braking intensity, now front axle isolating valve 7 in right position, i.e. front axle isolating valve 7 P, A mouth connect, rear axle every Connect from valve 5, reversal valve 6 is located at A, B mouth of right position, i.e. reversal valve 6 and connects, and front axle inlet valve 13, rear axle inlet valve 30 disconnect, The near front wheel pressure charging valve 15, off-front wheel pressure charging valve 18, off hind wheel pressure charging valve 32, left rear wheel pressure charging valve 35, the near front wheel pressure-reducing valve 20, the right side Front-wheel pressure-reducing valve 21, off hind wheel pressure-reducing valve 37, left rear wheel pressure-reducing valve 38 are respectively positioned on normality, and now front axle plunger displacement pump 9 works, and will store up Brake fluid in fluid cylinder 4 is through reversal valve 6, decoupling check valve 8, front axle plunger displacement pump 9, check valve 10, a front Shaft damper 11 And No. two check valves 12 send master cylinder 3 back to, as brake fluid is reduced in liquid storage cylinder 4, piston is in spring effect in liquid storage cylinder 4 Under move to left, clutch 46 is engaged, and liquid storage one-stage gear 47 is engaged with the output shaft of assist motor 44, when the of master cylinder 3 When one piston is moved to right with second piston, piston is moved to left in liquid storage cylinder 4, i.e., this piston of process liquid storage cylinder 4 is pushed away by spring and motor Power collective effect, brake fluid decrement regenerative braking intensity determined by braking control strategy is determined in liquid storage cylinder 4, liquid storage cylinder 4 pistons can farthest arrive limit on the left position.

Claims (8)

1. a kind of integrated decoupling type electric booster braking system suitable for regenerative braking, it is characterised in that described one kind Include brake pedal (1), integrated electric booster engine suitable for the integrated decoupling type electric booster braking system of regenerative braking Structure (2), master cylinder (3), liquid storage cylinder (4), hydraulic system, the near front wheel wheel cylinder (22), off-front wheel wheel cylinder (23), off hind wheel wheel cylinder (24), left rear wheel wheel cylinder (25) and fluid reservoir (55)；
Described hydraulic system includes front axle hydraulic system and rear axle hydraulic system；
The right-hand member of the liquid storage piston rod (52) of described liquid storage cylinder (4) loads one from the N mouths of integrated electric servomechanism (2) Change in electric boosted mechanism (2), and using the liquid storage ball-screw (51) for being bolted to integrated electric servomechanism (2) On right side wall, the left end interface of liquid storage cylinder (4) is connected with the A mouth pipelines of the reversal valve (6) of front axle hydraulic system, integrated electric The right-hand member of the brake pedal push rod (54) of servomechanism (2) is connected with brake pedal (1), integrated electric servomechanism (2) Brake pushrod (53) with master cylinder (3) first piston right side contact be connected, two repairing mouths on master cylinder (3) with Fluid reservoir (55) pipeline connects, the front axle isolating valve (7) in the hydraulic fluid port and front axle hydraulic system of the second chamber of master cylinder (3) P mouths pipeline connection；The P mouths of the rear axle isolating valve (5) in the hydraulic fluid port and rear axle hydraulic system of the first chamber of master cylinder (3) Pipeline connects；The near front wheel pressure-reducing valve (20) in front axle hydraulic system and the interface end of off-front wheel pressure-reducing valve (21) respectively with it is left front Wheel wheel cylinder (22) is connected with off-front wheel wheel cylinder (23) pipeline, and the off hind wheel pressure-reducing valve (37) in rear axle hydraulic system subtracts with left rear wheel One interface of pressure valve (38) is connected respectively with off hind wheel wheel cylinder (24) with left rear wheel wheel cylinder (25) pipeline, the front axle in hydraulic system The left and right output end that plunger displacement pump (9) is respectively adopted shaft coupling and same motor with rear axle plunger displacement pump (26) is connected.
2. according to the integrated decoupling type electric booster braking system suitable for regenerative braking described in claim 1, its feature Be, described front axle hydraulic system also include decoupling check valve (8), check valve (10), front Shaft damper (11), No. two Check valve (12), front axle inlet valve (13), left front samsara liquid check valve (14), the near front wheel pressure charging valve (15), front axle accumulator (16), No. three check valves (17), off-front wheel pressure charging valves (18) return liquid check valve (19) with off-front wheel；
The P mouths of described reversal valve (6) are connected with the B mouth pipelines of front axle isolating valve (7), and the B mouths of reversal valve (6) are unidirectional with decoupling The oil-in pipeline connection of valve (8), decouples the oil-out of check valve (8) and oil-in, No. three check valves of front axle plunger displacement pump (9) (17) oil-out is connected with a hydraulic fluid port pipeline of front axle inlet valve (13)；The P mouths and front axle inlet valve (13) of front axle isolating valve (7) Another hydraulic fluid port is connected with the oil-out pipeline of No. two check valves (12), the A mouths and the near front wheel pressure charging valve (15) of front axle isolating valve (7) P mouths, the P mouths of off-front wheel pressure charging valve (18), the oil-out of left front samsara liquid check valve (14), off-front wheel return liquid check valve (19), one end of front Shaft damper (11) is connected with the oil-in pipeline of No. two check valves (12)；The outlet of front axle plunger displacement pump (9) End is connected with the oil-in pipeline of a check valve (10), and the oil-out of a check valve (10) is another with front Shaft damper (11) The connection of one end pipeline, described A mouths of the near front wheel pressure charging valve (15) and the oil-in of left front samsara liquid check valve (14) with it is left front The one hydraulic fluid port pipeline connection of wheel pressure-reducing valve (20), the A mouths and off-front wheel of off-front wheel pressure charging valve (18) go back to entering for liquid check valve (19) Liquid end is connected with a hydraulic fluid port pipeline of off-front wheel pressure-reducing valve (21), and another hydraulic fluid port and the off-front wheel of the near front wheel pressure-reducing valve (20) reduce pressure Another hydraulic fluid port of valve (21) and one end of front axle accumulator (16) are connected with the oil-in pipeline of No. three check valves (17).
3. according to the integrated decoupling type electric booster braking system suitable for regenerative braking described in claim 1, its feature Be, described rear axle hydraulic system also include rear axle isolating valve (5), No. four check valves (27), rear Shaft damper (28), No. five Check valve (29), rear axle inlet valve (30), off hind wheel return liquid check valve (31), left back samsara liquid check valve (36), off hind wheel and increase Pressure valve (32), left rear wheel pressure charging valve (35), rear axle accumulator (33) and No. six check valves (34)；
The P mouths of described rear axle isolating valve (5) and the oil-out of a hydraulic fluid port of rear axle inlet valve (30) and No. five check valves (29) Pipeline connects, behind oil-in, the left end of rear Shaft damper (28), the right side of the A mouths of rear axle isolating valve (5) and No. five check valves (29) The oil-out of samsara liquid check valve (31), the oil-out of left back samsara liquid check valve (36), the P mouths of off hind wheel pressure charging valve (32) with The P mouths pipeline connection of left rear wheel pressure charging valve (35)；The oil-in of rear axle plunger displacement pump (26) and another oil of rear axle inlet valve (30) Mouth is connected with No. six check valve (34) oil-out pipelines, the oil-feed of the oil-out of rear axle plunger displacement pump (26) and No. four check valves (27) Mouth pipeline connection, the oil-out of No. four check valves (27) is connected with the right-hand member pipeline of rear Shaft damper 28；Off hind wheel pressure charging valve (32) A mouths and off hind wheel returns the oil-in of liquid check valve (31) and is connected with a hydraulic fluid port pipeline of off hind wheel pressure-reducing valve (37), left The oil-in of the A mouths of trailing wheel pressure charging valve (35) and left back samsara liquid check valve (36) and a mouthpiece of left rear wheel pressure-reducing valve (38) Road connect, another hydraulic fluid port of off hind wheel pressure-reducing valve (37) with and left rear wheel pressure-reducing valve (38) another interface and rear axle accumulator (33) one end is connected with the oil-in pipeline of No. six check valves (34).
4. according to the integrated decoupling type electric booster braking system suitable for regenerative braking described in claim 1, its feature It is that described integrated electric servomechanism (2) is including No. 1 electric boosted mechanism, No. 2 electric boosted mechanisms and driver Structure；
Described transmission mechanism includes servodrive gear (39), assist motor (44), motor pinion (45), clutch (46), liquid storage one-stage gear (47), liquid storage secondary gear (48) and liquid storage travelling gear (49)；
Described servodrive gear (39) is set with and is fixedly connected on the power-assisted feed screw nut of No. 1 electric boosted mechanism using key (40) on, motor pinion (45) is arranged on the output shaft of assist motor (44) by key, motor pinion (45) and power-assisted Travelling gear (39) external toothing connects；
Clutch (46) connection liquid storage one-stage gear (47) and the output shaft of assist motor (44), liquid storage one-stage gear (47) with it is upper Liquid storage secondary gear (48) the external toothing connection of lower setting, liquid storage secondary gear (48) and liquid storage travelling gear setting up and down (49) external toothing connection, liquid storage travelling gear (49) is set with and is fixedly connected on the liquid storage silk of No. 2 electric boosted mechanisms using key On thick stick nut (50).
5. according to the integrated decoupling type electric booster braking system suitable for regenerative braking described in claim 4, its feature It is that No. 1 described electric boosted mechanism includes power-assisted feed screw nut (40), reaction plate (41), power-assisted valve body (42), power-assisted rolling Ballscrew (43), brake pushrod (53) and brake pedal push rod (54)；
Described power-assisted valve body (42) is rolled installed in the inside of power-assisted ball-screw (43), brake pedal push rod (54) by power-assisted Ballscrew (43) is inserted in power-assisted valve body (42) inner chamber with the right through hole in power-assisted valve body (42) center, and inserts power-assisted valve body (42) In left through hole, but distance is stretched out left through hole and is reserved with 2～3mm gaps, right side wall and the power-assisted ball-screw of power-assisted valve body (42) (43) interior sidewall surface of right side wall contacts；The power-assisted ball-screw (43) of power-assisted valve body (42) is installed installed in power-assisted leading screw It is the ball of power-assisted ball-screw between power-assisted ball-screw (43) and power-assisted feed screw nut (40) in nut (40)；Disc Reaction plate (41) installed in the left side of power-assisted valve body (42) inner chamber, right side and power-assisted valve body (42) left side of reaction plate (41) The left side of built-in annulus bodily form boss contacts, and the left side of reaction plate (41) contacts with the right side of push rod (53).
6. according to the integrated decoupling type electric booster braking system suitable for regenerative braking described in claim 5, its feature It is that described power-assisted valve body (42) is hollow cylinder mode part, external diameter and the power-assisted ball-screw of power-assisted valve body (42) (43) internal diameter is identical, and the center of power-assisted valve body (42) right side wall is provided with the right through hole in center, and left side is open type, but built-in One cross section for the annulus bodily form of rectangle boss, the center of the boss of the annulus bodily form is provided with a left through hole, left through hole Identical with the aperture of right through hole, left through hole overlaps with the axis of rotation of right through hole with the axis of rotation of power-assisted valve body (42).
7. according to the integrated decoupling type electric booster braking system suitable for regenerative braking described in claim 4, its feature It is that No. 2 described electric boosted mechanisms include liquid storage feed screw nut (50) and liquid storage ball-screw (51)；
Described liquid storage ball-screw (51) is hollow type structural member, and the right-hand member of liquid storage ball-screw (51) is provided with right side wall, 3 through holes got through axially inward from its outer surface are evenly equipped with right side wall, it is logical on liquid storage ball-screw (51) right side wall Hole is relative just with the tapped blind hole on liquid storage piston rod (52) right-hand member boss, i.e. through hole on liquid storage ball-screw (51) right side wall With the rotation conllinear of the tapped blind hole on liquid storage piston rod (52) right-hand member boss；The internal orifice dimension of liquid storage ball-screw (51) with The external diameter of liquid storage piston rod (52) right-hand member boss is equal, and the liquid storage ball-screw (51) for being provided with liquid storage piston rod (52) is arranged on It is the rolling of liquid storage ball-screw between liquid storage ball-screw (51) and liquid storage feed screw nut (50) in liquid storage feed screw nut (50) Pearl.
8. according to the integrated decoupling type electric booster braking system suitable for regenerative braking described in claim 1, its feature It is that described liquid storage cylinder (4) is including liquid storage cylinder body, liquid storage piston rod (52) and spring；
Described liquid storage piston rod (52) left end is piston, and piston diameter is equal with the internal diameter of liquid storage cylinder body, and right-hand member is push rod, is pushed away Shank diameter is equal with the internal diameter of the central through hole on liquid storage cylinder body right-hand member casing wall, and push rod right-hand member is provided with cylindrical boss, and column is convex Platform diameter is equal with the internal diameter of the liquid storage ball-screw (51) in integrated electric servomechanism (2), and boss right-hand member sets vertically It is equipped with equally distributed 3 screw threads being fixed in liquid storage piston rod (52) on liquid storage ball-screw (51) right side wall using bolt Blind hole；
Liquid storage piston rod (52) loads in liquid storage cylinder body, to be slidably connected between liquid storage piston rod (52) and liquid storage cylinder body, liquid storage The right-hand member of piston rod (52) stretches out from the right-hand member of liquid storage cylinder body, and spring is sleeved on the push rod in liquid storage piston rod (52), spring The right flank contact of right side and liquid storage piston rod (52) left end piston be connected, the liquid storage cylinder body right side is fixed in the right side of spring On the madial wall at end.
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108189826A (en) * 2018-02-06 2018-06-22 吉林大学 Suitable for the full decoupling formula mechano-electronic energy assisted braking system of Brake energy recovery
CN108275139A (en) * 2018-02-05 2018-07-13 吉林大学 Part and full decoupled combined type electric booster braking system
CN111231922A (en) * 2020-02-17 2020-06-05 安徽理工大学 Decoupling type electro-hydraulic brake system with safety redundancy
CN111873969A (en) * 2020-07-06 2020-11-03 东风汽车集团有限公司 Electronic hydraulic line control brake system with independent double loops
CN112377539A (en) * 2020-10-13 2021-02-19 东风汽车集团有限公司 Brake device and vehicle
CN113460011A (en) * 2021-08-08 2021-10-01 吉林东光奥威汽车制动系统有限公司 Pressurizing block capable of being generally used for braking assistance
CN114684086A (en) * 2020-12-31 2022-07-01 比亚迪股份有限公司 Braking system and vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140057888A (en) * 2012-11-05 2014-05-14 현대모비스 주식회사 Braking system with electric motor booster for vehicle
CN103950444A (en) * 2014-04-14 2014-07-30 同济大学 Electronic hydraulic brake system capable of reducing liquid outlets of main cylinder
CN105882637A (en) * 2014-10-13 2016-08-24 陈晶杰 Fully-decoupled electronic hydraulic braking system and corresponding vehicle
CN106274851A (en) * 2016-09-05 2017-01-04 吉林大学 A kind of hydraulic means of full decoupling formula Recovering Waste Energy of Braking in Automobiles
CN206537272U (en) * 2017-02-22 2017-10-03 吉林大学 Suitable for the integrated decoupling type electric booster braking system of regenerative braking

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140057888A (en) * 2012-11-05 2014-05-14 현대모비스 주식회사 Braking system with electric motor booster for vehicle
CN103950444A (en) * 2014-04-14 2014-07-30 同济大学 Electronic hydraulic brake system capable of reducing liquid outlets of main cylinder
CN105882637A (en) * 2014-10-13 2016-08-24 陈晶杰 Fully-decoupled electronic hydraulic braking system and corresponding vehicle
CN106274851A (en) * 2016-09-05 2017-01-04 吉林大学 A kind of hydraulic means of full decoupling formula Recovering Waste Energy of Braking in Automobiles
CN206537272U (en) * 2017-02-22 2017-10-03 吉林大学 Suitable for the integrated decoupling type electric booster braking system of regenerative braking

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108275139A (en) * 2018-02-05 2018-07-13 吉林大学 Part and full decoupled combined type electric booster braking system
CN108275139B (en) * 2018-02-05 2023-07-25 吉林大学 Partially and completely decoupled composite electric power-assisted braking system
CN108189826A (en) * 2018-02-06 2018-06-22 吉林大学 Suitable for the full decoupling formula mechano-electronic energy assisted braking system of Brake energy recovery
CN108189826B (en) * 2018-02-06 2023-10-27 吉林大学 Full decoupling type mechanical and electronic power-assisted braking system suitable for braking energy recovery
CN111231922A (en) * 2020-02-17 2020-06-05 安徽理工大学 Decoupling type electro-hydraulic brake system with safety redundancy
CN111873969A (en) * 2020-07-06 2020-11-03 东风汽车集团有限公司 Electronic hydraulic line control brake system with independent double loops
CN111873969B (en) * 2020-07-06 2022-03-15 东风汽车集团有限公司 Electronic hydraulic line control brake system with independent double loops
CN112377539A (en) * 2020-10-13 2021-02-19 东风汽车集团有限公司 Brake device and vehicle
CN112377539B (en) * 2020-10-13 2021-11-30 东风汽车集团有限公司 Brake device and vehicle
CN114684086A (en) * 2020-12-31 2022-07-01 比亚迪股份有限公司 Braking system and vehicle
CN114684086B (en) * 2020-12-31 2023-12-12 比亚迪股份有限公司 Braking system and vehicle
CN113460011A (en) * 2021-08-08 2021-10-01 吉林东光奥威汽车制动系统有限公司 Pressurizing block capable of being generally used for braking assistance

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