CN110525410A - A kind of vehicle redundancy driving brake assist system - Google Patents

A kind of vehicle redundancy driving brake assist system Download PDF

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Publication number
CN110525410A
CN110525410A CN201910782342.6A CN201910782342A CN110525410A CN 110525410 A CN110525410 A CN 110525410A CN 201910782342 A CN201910782342 A CN 201910782342A CN 110525410 A CN110525410 A CN 110525410A
Authority
CN
China
Prior art keywords
linear valve
plunger pump
vehicle
main motor
line control
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
CN201910782342.6A
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 CN201910782342.6A priority Critical patent/CN110525410A/en
Publication of CN110525410A publication Critical patent/CN110525410A/en
Pending legal-status Critical Current

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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

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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 present invention provides a kind of vehicle redundancy driving brake assist system, including the main motor being connected on line control brake system, first linear valve and the second linear valve, the first plunger pump is provided between main motor and the first linear valve, the second plunger pump is provided between main motor and the second linear valve, the first plunger pump and the second plunger pump is driven to work by main motor, first plunger pump is connected on two wheels of line control brake system by the first linear valve, second plunger pump is connected on other two vehicle of line control brake system by the second linear valve, the first plunger pump and the second plunger pump is driven to work respectively by main motor, and then after On-line Control moves thrashing, according to extraneous request or the input pressure of driver, it pressurizes to front wheels and rear wheels braking.Vehicle braking redundant actions are completed, and are detected by pressure of the pressure sensor to pressurization, guarantee the security and stability of system.

Description

A kind of vehicle redundancy driving brake assist system
Technical field
The present invention relates to vehicle braking field more particularly to a kind of vehicle redundancy driving brake assist system.
Background technique
At present in vehicle braking field, it will use brake-by-wire and control for brake, and needle carried out to vehicle front wheels and rear wheels To the vehicle for being equipped with automatic Pilot, after service braking system fails, vehicle needs backup braking system of being driven a vehicle by redundancy Running braking function is provided.Current redundant system is usually carried out by automatically controlled mode, but automatically controlled redundance unit is in work As when be easy to appear problem.Therefore, solving the problems, such as that vehicle braking redundant system is unstable is just particularly important.
Summary of the invention
To solve the above problems, passing through main electricity it is an object of the invention to provide a kind of vehicle redundancy driving brake assist system After machine drives the first plunger pump and the second plunger pump to work respectively, and then On-line Control moves thrashing, according to extraneous request Or the input pressure of driver, it pressurizes to front wheels and rear wheels braking.
The present invention provides a kind of vehicle redundancy driving brake assist system, including the main electricity being connected on line control brake system Machine, the first linear valve and the second linear valve are provided with the first plunger pump, the main electricity between the main motor and the first linear valve It is provided with the second plunger pump between machine and the second linear valve, drives the first plunger pump and the second plunger pump to carry out work by main motor Make, first plunger pump is connected on two wheels of line control brake system by the first linear valve, and the second plunger pump passes through Second linear valve is connected on other two wheel of line control brake system, drives the first plunger pump and the second column by main motor After plug pump works respectively, and then On-line Control moves thrashing, according to extraneous request or the input pressure of driver, to preceding Wheel and rear service brake pressurize.
Further improvement lies in that: pressure biography is provided between first linear valve and the front wheel brake of line control brake system Sensor is detected by pressure of the pressure sensor to pressurization.
Further improvement lies in that: the main motor, the first linear valve and the second linear valve are connect with vehicle ECU, are passed through Vehicle ECU controls the working condition of main motor, the first linear valve and the second linear valve.
Further improvement lies in that: check valve is provided on first linear valve and the second linear valve.
Beneficial effects of the present invention: the first plunger pump and the second plunger pump is driven to work respectively by main motor, Jin Er After line control brake system failure, according to extraneous request or the input pressure of driver, front wheels and rear wheels braking is added Pressure is completed vehicle braking redundant actions, and is detected by pressure of the pressure sensor to pressurization, guarantees the safety of system Stability, and controlled by working condition of the vehicle ECU to main motor, the first linear valve and the second linear valve, guarantee Timeliness and safety.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Wherein: 1- main motor, the first linear valve of 2-, the second linear valve of 3-, the first plunger pump of 4-, the second plunger pump of 5-, 6- Pressure sensor.
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 vehicle redundancy driving brake assist system, including are connected to brake-by-wire Main motor 1, the first linear valve 2 and the second linear valve 3 in system are provided between the main motor 1 and the first linear valve 2 One plunger pump 4 is provided with the second plunger pump 5 between the main motor 1 and the second linear valve 3, drive the first column by main motor 1 Plug pump 4 and the second plunger pump 5 work, and first plunger pump 4 is connected to line control brake system by the first linear valve 2 On two wheels, the second plunger pump 5 is connected on other two wheel of line control brake system by the second linear valve 3, is passed through After main motor 1 drives the first plunger pump 4 and the second plunger pump 5 to work respectively, and then On-line Control moves thrashing, according to the external world Request or driver input pressure, to front wheels and rear wheels braking pressurize.First linear valve 2 and brake-by-wire Pressure sensor 6 is provided between the front wheel brake of system, the pressure pressurizeed by 6 Duis of pressure sensor detects.It is described Main motor 1, the first linear valve 2 and the second linear valve 3 are connect with vehicle ECU, linear to main motor 1, first by vehicle ECU The working condition of valve 2 and the second linear valve 3 is controlled.It is provided on first linear valve 2 and the second linear valve 3 unidirectional Valve.The first plunger pump and the second plunger pump is driven to work respectively by main motor, and then after the dynamic thrashing of On-line Control, according to The input pressure of extraneous request or driver pressurizes to front wheels and rear wheels braking, completes vehicle braking redundant actions, And the pressure pressurizeed by 6 Duis of pressure sensor detects, and guarantees the security and stability of system, and pass through vehicle ECU The working condition of main motor 1, the first linear valve 2 and the second linear valve 3 is controlled, guarantees timeliness and safety.

Claims (4)

  1. The brake assist system 1. a kind of vehicle redundancy is driven a vehicle, it is characterised in that: including the main electricity being connected on line control brake system Machine (1), the first linear valve (2) and the second linear valve (3) are provided with first between the main motor (1) and the first linear valve (2) Plunger pump (4) is provided with the second plunger pump (5) between the main motor (1) and the second linear valve (3), passes through main motor (1) band Dynamic first plunger pump (4) and the second plunger pump (5) work, and first plunger pump (4) is connected by the first linear valve (2) On-line Control is moved on two wheels of system, and the second plunger pump (5) is connected to line control brake system by the second linear valve (3) On other two wheel, the first plunger pump (4) and the second plunger pump (5) are driven to work respectively by main motor (1), and then online After controlling brake system non-functional, according to extraneous request or the input pressure of driver, pressurize to front wheels and rear wheels braking.
  2. The brake assist system 2. a kind of vehicle redundancy as described in claim 1 is driven a vehicle, it is characterised in that: first linear valve (2) pressure sensor (6) are provided between the front wheel brake of line control brake system, by pressure sensor (6) to pressurization Pressure is detected.
  3. The brake assist system 3. a kind of vehicle redundancy as described in claim 1 is driven a vehicle, it is characterised in that: the main motor (1), First linear valve (2) and the second linear valve (3) are connect with vehicle ECU, by vehicle ECU to main motor (1), the first linear valve (2) it is controlled with the working condition of the second linear valve (3).
  4. The brake assist system 4. a kind of vehicle redundancy as described in claim 1 is driven a vehicle, it is characterised in that: first linear valve (2) and on the second linear valve (3) it is provided with check valve.
CN201910782342.6A 2019-08-23 2019-08-23 A kind of vehicle redundancy driving brake assist system Pending CN110525410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910782342.6A CN110525410A (en) 2019-08-23 2019-08-23 A kind of vehicle redundancy driving brake assist system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910782342.6A CN110525410A (en) 2019-08-23 2019-08-23 A kind of vehicle redundancy driving brake assist system

Publications (1)

Publication Number Publication Date
CN110525410A true CN110525410A (en) 2019-12-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910782342.6A Pending CN110525410A (en) 2019-08-23 2019-08-23 A kind of vehicle redundancy driving brake assist system

Country Status (1)

Country Link
CN (1) CN110525410A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111572521A (en) * 2020-04-27 2020-08-25 浙江吉利新能源商用车集团有限公司 Brake control method, system, electronic equipment and storage medium

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101513866A (en) * 2008-02-21 2009-08-26 株式会社万都 Electronic control brake system having simulation function
JP2010215069A (en) * 2009-03-16 2010-09-30 Honda Motor Co Ltd Bbw type brake device
CN103079914A (en) * 2010-08-30 2013-05-01 大陆-特韦斯贸易合伙股份公司及两合公司 Brake system for motor vehicles
CN104943672A (en) * 2015-06-16 2015-09-30 吉林大学 Hydraulic brake system and method with double hydraulic cylinder four-wheel failure backup
CN106458176A (en) * 2014-06-30 2017-02-22 大陆-特韦斯贸易合伙股份公司及两合公司 Braking system for a motor vehicle
CN107738638A (en) * 2017-09-18 2018-02-27 江苏大学 A kind of composite braking system with brake-by-wire function
CN107813818A (en) * 2016-08-29 2018-03-20 许亚夫 A kind of automobile ABS/ASR/ACC integrated control systems
CN108016418A (en) * 2017-12-19 2018-05-11 宁波赛福汽车制动有限公司 Active boost brake system for two wheeler
CN108698577A (en) * 2016-02-26 2018-10-23 大陆-特韦斯股份有限公司 Add-on module and brake assembly system for electric hydaulic brake assembly
CN108860105A (en) * 2017-05-11 2018-11-23 丰田自动车株式会社 Vehicle brake system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101513866A (en) * 2008-02-21 2009-08-26 株式会社万都 Electronic control brake system having simulation function
JP2010215069A (en) * 2009-03-16 2010-09-30 Honda Motor Co Ltd Bbw type brake device
CN103079914A (en) * 2010-08-30 2013-05-01 大陆-特韦斯贸易合伙股份公司及两合公司 Brake system for motor vehicles
CN106458176A (en) * 2014-06-30 2017-02-22 大陆-特韦斯贸易合伙股份公司及两合公司 Braking system for a motor vehicle
CN104943672A (en) * 2015-06-16 2015-09-30 吉林大学 Hydraulic brake system and method with double hydraulic cylinder four-wheel failure backup
CN108698577A (en) * 2016-02-26 2018-10-23 大陆-特韦斯股份有限公司 Add-on module and brake assembly system for electric hydaulic brake assembly
CN107813818A (en) * 2016-08-29 2018-03-20 许亚夫 A kind of automobile ABS/ASR/ACC integrated control systems
CN108860105A (en) * 2017-05-11 2018-11-23 丰田自动车株式会社 Vehicle brake system
CN107738638A (en) * 2017-09-18 2018-02-27 江苏大学 A kind of composite braking system with brake-by-wire function
CN108016418A (en) * 2017-12-19 2018-05-11 宁波赛福汽车制动有限公司 Active boost brake system for two wheeler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111572521A (en) * 2020-04-27 2020-08-25 浙江吉利新能源商用车集团有限公司 Brake control method, system, electronic equipment and storage medium
CN111572521B (en) * 2020-04-27 2022-05-10 浙江吉利新能源商用车集团有限公司 Brake control method, system, electronic equipment and storage medium

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Application publication date: 20191203

RJ01 Rejection of invention patent application after publication