CN110525409A - The redundancy service braking system of vehicle - Google Patents
The redundancy service braking system of vehicle Download PDFInfo
- 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
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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
- B60T13/10—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
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- 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
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.
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 |
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CN110525409A true CN110525409A (en) | 2019-12-03 |
Family
ID=68663373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910753378.1A Pending CN110525409A (en) | 2019-08-15 | 2019-08-15 | The redundancy service braking system of vehicle |
Country Status (1)
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CN (1) | CN110525409A (en) |
Cited By (2)
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 |
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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 |
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2019
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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 |
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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 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113753006A (en) * | 2020-06-01 | 2021-12-07 | 现代摩比斯株式会社 | Electro-hydraulic brake system |
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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 |
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