CN110525409A - The redundancy service braking system of vehicle - Google Patents

The redundancy service braking system of vehicle Download PDF

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Publication number
CN110525409A
CN110525409A CN201910753378.1A CN201910753378A CN110525409A CN 110525409 A CN110525409 A CN 110525409A CN 201910753378 A CN201910753378 A CN 201910753378A CN 110525409 A CN110525409 A CN 110525409A
Authority
CN
China
Prior art keywords
wheel
master cylinder
executing agency
isolating valve
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910753378.1A
Other languages
Chinese (zh)
Inventor
林新春
徐文泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO Ltd
Wuhu Bethel Automotive Safety Systems Co Ltd
Original Assignee
WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO Ltd filed Critical WUHU BOTELI AUTOMOBILE SAFETY SYSTEM CO Ltd
Priority to CN201910753378.1A priority Critical patent/CN110525409A/en
Publication of CN110525409A publication Critical patent/CN110525409A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting 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
    • B60T13/10Transmitting 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
    • B60T13/66Electrical control in fluid-pressure brake systems
    • B60T13/662Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting 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
    • B60T13/74Transmitting 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
    • B60T13/745Transmitting 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The object of the present invention is to provide a kind of redundancy service braking systems of vehicle, on existing line control brake system, increase a set of active hydraulic booster mechanism between master cylinder and master cylinder isolating valve, and increase the ECU of a set of EPB executing agency and a control said mechanism on front-wheel or rear-wheel, after line control brake system failure, active hydraulic booster mechanism is according to extraneous request or the input pressure of driver, direct current generator and linear valve pressurize to the wheel for being connected to master cylinder isolating valve, EPB executing agency carries out mechanical braking to wheel connected to it simultaneously, the braking system of a backup is provided in this way, it is further ensured that the safety of driving.

Description

The redundancy service braking system of vehicle
Technical field
The present invention relates to vehicle braking field more particularly to a kind of redundancy service braking systems of vehicle.
Background technique
With the continuous development of science and technology, the automobile of automatic Pilot comes into being, and the automobile of automatic Pilot is hydraulic using line traffic control Braking system is braked, but original brake fade the case where, must need a set of redundancy driving backup braking system System provides running braking function, guarantees the safety of driving in this way.Therefore solve the problems, such as that this is just seemed very necessary.
Summary of the invention
To solve the above problems, the present invention provides a kind of redundancy service braking system of vehicle, in existing brake-by-wire In system, increase a set of active hydraulic booster mechanism between master cylinder and master cylinder isolating valve, and increase on front-wheel or rear-wheel The ECU of a set of EPB executing agency and a control said mechanism, after line control brake system failure, active hydraulic booster mechanism According to extraneous request or the input pressure of driver, direct current generator and linear valve to be connected to the wheel of master cylinder isolating valve into Row pressurization, while EPB executing agency carries out mechanical braking to wheel connected to it, provides the braking system of a backup in this way System, is further ensured that the safety of driving, solves the problems in the background art.
The object of the present invention is to provide a kind of redundancy service braking system of vehicle, including line traffic control brake fluid system, lines Control brake fluid system include master cylinder, master cylinder isolating valve and be equipped with EPB executing agency front-wheel or rear-wheel, wherein master cylinder every From the front-wheel or rear-wheel that valve is connected to vehicle, active hydraulic booster mechanism is provided between the master cylinder and master cylinder isolating valve, it is main Hydrodynamic pressure booster body includes the linear valve being connected between master cylinder and master cylinder isolating valve, and linear valve both ends are connected with plunger It pumps, is provided with direct current generator on plunger pump;The EPB executing agency includes EPB executing agency clamp, to wheel system It is dynamic;Active hydraulic booster mechanism and EPB executing agency are connected with ECU;When being equipped with EPB executing agency on the rear-wheel, Master cylinder isolating valve is connected on front-wheel;When being equipped with EPB executing agency on front-wheel, master cylinder isolating valve is connected on rear-wheel.
Further improvement lies in that: pressure sensor is provided on the oil circuit of the connection of the plunger pump and linear valve.
Further improvement lies in that: the direct current generator and linear valve are pressurized the wheel for being connected to master cylinder isolating valve, Meanwhile wheel connected to it is braked by EPB executing agency.
Beneficial effects of the present invention: the present invention is on existing line control brake system, between master cylinder and master cylinder isolating valve Increase a set of active hydraulic booster mechanism, and increases a set of EPB executing agency on front-wheel or rear-wheel and a control is above-mentioned The ECU of mechanism, after line control brake system failure, active hydraulic booster mechanism is according to extraneous request or the input of driver Pressure, direct current generator and linear valve pressurize to the wheel for being connected to master cylinder isolating valve, while EPB executing agency pair connects with it The wheel connect carries out mechanical braking, provides the braking system of a backup in this way, is further ensured that the safety of driving.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention.
Wherein: 1- master cylinder, 2- master cylinder isolating valve, 3- linear valve, 4- plunger pump, 5- direct current generator, 6- pressure sensor, 7- EPB executing agency, 8-ECU.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the examples below, the embodiment For explaining only the invention, it is not intended to limit the scope of the present invention..
As described in Figure 1, the present embodiment provides a kind of redundancy service braking systems of vehicle, including line traffic control Hydraulic braking system System, line traffic control brake fluid system includes master cylinder 1, master cylinder isolating valve 2 and the front-wheel for being equipped with EPB executing agency 7, wherein leading Cylinder isolating valve 2 is connected to the rear-wheel of vehicle, and active hydraulic booster mechanism is provided between the master cylinder 1 and master cylinder isolating valve 2, main Hydrodynamic pressure booster body includes the linear valve 3 being connected between master cylinder 1 and master cylinder isolating valve 2, and 3 both ends of linear valve are connected with column Plug pumps 4, is provided with direct current generator 5 on plunger pump 4;The EPB executing agency 7 includes EPB executing agency clamp, to wheel into Row braking;Active hydraulic booster mechanism and EPB executing agency are connected with ECU8.The connection of the plunger pump 4 and linear valve 3 Oil circuit on be provided with pressure sensor 6.The direct current generator 5 and linear valve 3 carry out the wheel for being connected to master cylinder isolating valve 2 Pressurization, meanwhile, wheel connected to it is braked by EPB executing agency.
On existing line control brake system, increase a set of active hydraulic booster machine between master cylinder 1 and master cylinder isolating valve 2 Structure, and increase on front-wheel the ECU 8 of a set of EPB executing agency 7 and a control said mechanism, when line control brake system loses After effect, according to extraneous request or the input pressure of driver, direct current generator 5 and linear valve 3 are right for active hydraulic booster mechanism The rear-wheel for being connected to master cylinder isolating valve 2 pressurizes, while EPB executing agency 7 carries out mechanical braking to front-wheel, provides in this way The braking system of one backup, is further ensured that the safety of driving.

Claims (3)

1. a kind of redundancy service braking system of vehicle, including line traffic control brake fluid system, line traffic control brake fluid system include Master cylinder (1), master cylinder isolating valve (2) and it is equipped with EPB executing agency (7) front-wheel or rear-wheel, wherein master cylinder isolating valve (2) connects The front-wheel or rear-wheel of vehicle, it is characterised in that: actively hydraulic increasing is provided between the master cylinder (1) and master cylinder isolating valve (2) Press mechanism, active hydraulic booster mechanism include the linear valve (3) being connected between master cylinder (1) and master cylinder isolating valve (2), linearly Valve (3) both ends are connected with plunger pump (4), and direct current generator (5) are provided on plunger pump (4);The EPB executing agency (7) includes There are EPB executing agency clamp, wheel is braked;Active hydraulic booster mechanism and EPB executing agency are connected with ECU (8);When being equipped with EPB executing agency (7) on the rear-wheel, master cylinder isolating valve (2) is connected on front-wheel;It is equipped on front-wheel When EPB executing agency (7), master cylinder isolating valve (2) is connected on rear-wheel.
2. the redundancy service braking system of vehicle as described in claim 1, it is characterised in that: the plunger pump (4) and linear valve (3) pressure sensor (6) are provided on the oil circuit of connection.
3. the redundancy service braking system of vehicle as described in claim 1, it is characterised in that: the direct current generator (5) and linear Valve (3) is pressurized the wheel for being connected to master cylinder isolating valve (2), meanwhile, EPB executing agency carries out wheel connected to it Braking.
CN201910753378.1A 2019-08-15 2019-08-15 The redundancy service braking system of vehicle Pending CN110525409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910753378.1A CN110525409A (en) 2019-08-15 2019-08-15 The redundancy service braking system of vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910753378.1A CN110525409A (en) 2019-08-15 2019-08-15 The redundancy service braking system of vehicle

Publications (1)

Publication Number Publication Date
CN110525409A true CN110525409A (en) 2019-12-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910753378.1A Pending CN110525409A (en) 2019-08-15 2019-08-15 The redundancy service braking system of vehicle

Country Status (1)

Country Link
CN (1) CN110525409A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112638730A (en) * 2020-12-03 2021-04-09 华为技术有限公司 Hydraulic adjusting unit, brake-by-wire system and control method
CN113753006A (en) * 2020-06-01 2021-12-07 现代摩比斯株式会社 Electro-hydraulic brake system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101445098A (en) * 2007-11-28 2009-06-03 株式会社爱德克斯 Parking brake apparatus
CN104325969A (en) * 2014-10-09 2015-02-04 浙江万向精工有限公司 Brake-by-wire assisted parking device and realization method
CN106926835A (en) * 2017-03-28 2017-07-07 奇瑞汽车股份有限公司 A kind of intelligent vehicle line traffic control integrated brake system and control method
CN107082027A (en) * 2016-02-16 2017-08-22 丰田自动车株式会社 Vehicle brake system
CN107415917A (en) * 2017-08-28 2017-12-01 华南理工大学 A kind of EHB of integrated electronic parking braking
CN107738638A (en) * 2017-09-18 2018-02-27 江苏大学 A kind of composite braking system with brake-by-wire function
CN108263366A (en) * 2017-01-03 2018-07-10 现代自动车株式会社 The braking system of vehicle
CN108791260A (en) * 2018-06-08 2018-11-13 芜湖伯特利电子控制系统有限公司 A kind of line traffic control brake fluid system assisting redundancy using EPB
WO2018210534A1 (en) * 2017-05-16 2018-11-22 Continental Teves Ag & Co. Ohg Brake system and method for operating a brake system
CN109774692A (en) * 2017-11-15 2019-05-21 比亚迪股份有限公司 Four-wheel independent brake device and automobile

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101445098A (en) * 2007-11-28 2009-06-03 株式会社爱德克斯 Parking brake apparatus
CN104325969A (en) * 2014-10-09 2015-02-04 浙江万向精工有限公司 Brake-by-wire assisted parking device and realization method
CN107082027A (en) * 2016-02-16 2017-08-22 丰田自动车株式会社 Vehicle brake system
CN108263366A (en) * 2017-01-03 2018-07-10 现代自动车株式会社 The braking system of vehicle
CN106926835A (en) * 2017-03-28 2017-07-07 奇瑞汽车股份有限公司 A kind of intelligent vehicle line traffic control integrated brake system and control method
WO2018210534A1 (en) * 2017-05-16 2018-11-22 Continental Teves Ag & Co. Ohg Brake system and method for operating a brake system
CN107415917A (en) * 2017-08-28 2017-12-01 华南理工大学 A kind of EHB of integrated electronic parking braking
CN107738638A (en) * 2017-09-18 2018-02-27 江苏大学 A kind of composite braking system with brake-by-wire function
CN109774692A (en) * 2017-11-15 2019-05-21 比亚迪股份有限公司 Four-wheel independent brake device and automobile
CN108791260A (en) * 2018-06-08 2018-11-13 芜湖伯特利电子控制系统有限公司 A kind of line traffic control brake fluid system assisting redundancy using EPB

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113753006A (en) * 2020-06-01 2021-12-07 现代摩比斯株式会社 Electro-hydraulic brake system
US11872975B2 (en) 2020-06-01 2024-01-16 Hyundai Mobis Co., Ltd. Electrohydraulic brake system
CN113753006B (en) * 2020-06-01 2024-02-13 现代摩比斯株式会社 Electro-hydraulic braking system
CN112638730A (en) * 2020-12-03 2021-04-09 华为技术有限公司 Hydraulic adjusting unit, brake-by-wire system and control method
WO2022116078A1 (en) * 2020-12-03 2022-06-09 华为技术有限公司 Hydraulic regulation unit, brake-by-wire system and control method

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Application publication date: 20191203

RJ01 Rejection of invention patent application after publication