CN108791260B - Wire control hydraulic braking system utilizing EPB auxiliary redundancy - Google Patents
Wire control hydraulic braking system utilizing EPB auxiliary redundancy Download PDFInfo
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- CN108791260B CN108791260B CN201810589132.0A CN201810589132A CN108791260B CN 108791260 B CN108791260 B CN 108791260B CN 201810589132 A CN201810589132 A CN 201810589132A CN 108791260 B CN108791260 B CN 108791260B
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- wheel end
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- 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
-
- 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
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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 invention provides a wire control hydraulic braking system utilizing EPB auxiliary redundancy, which realizes the function of double systems of wire control hydraulic braking and mechanical backup braking by forming a simpler hydraulic loop through 12 electromagnetic valves, has the functions of wire control braking, regenerative braking hydraulic regulation, ABS, TCS, VSC, AEB, ACC and other electric control pressure regulation, and solves the problems of more electromagnetic valves of the wire control hydraulic braking system and complex oil pressure system structure.
Description
Technical Field
The invention relates to the field of vehicle braking, in particular to a line-control hydraulic braking system utilizing EPB auxiliary redundancy.
Background
Braking systems are a series of specialized devices that allow the running speed of an automobile to be forcibly reduced. The brake system generally mainly comprises an energy supply device, a control device, a transmission device and a brake 4. The main functions of the braking system are to slow down or even stop a running automobile, to keep the speed of the automobile running downhill stable and to keep the stopped automobile stationary. With the gradual development of the electric control braking system, the technical development direction has developed into a brake-by-wire hydraulic braking system. However, the current brake-by-wire system generally requires a larger number of solenoid valves for control, which results in increased cost, and the oil pressure system has a complex structure, high production cost and difficult investigation due to the larger number of valves, as shown in the published patent US20170320477 A1. Therefore, it is important to solve the problems of the high number of solenoid valves and the complex structure of the hydraulic system in the brake-by-wire system.
Disclosure of Invention
The invention aims to provide a line-control hydraulic braking system utilizing EPB auxiliary redundancy, which realizes the function of double systems of line-control hydraulic braking and mechanical backup braking by forming a simpler hydraulic loop through 12 electromagnetic valves, has the functions of electric control pressure regulation such as line-control braking, regenerative braking hydraulic regulation and ABS, TCS, VSC, AEB, ACC, and solves the problems of more electromagnetic valves of the line-control hydraulic braking system and complex oil pressure system structure.
The invention provides a wire control hydraulic braking system utilizing EPB auxiliary redundancy, which comprises a driver input device, a master cylinder, a pedal stroke simulator, an isolation valve, a pressurizing system, an electric control unit and four vehicle running wheels, wherein the master cylinder is connected with the pedal stroke simulator; the supercharging system comprises a supercharging pump and a supercharging motor, and the electric control unit controls the supercharging motor to drive the supercharging pump to carry out supercharging according to signals of the pedal stroke simulator; the driver input device is connected to a master cylinder, the master cylinder is connected with a pedal stroke simulator through an oil pipe, wheel end brakes are arranged on a vehicle running wheel, the booster pump is connected with the wheel end brakes through the oil pipe, a wheel end pressure increasing valve is arranged between the booster pump and the wheel end brakes, the wheel end brakes are also connected with wheel end pressure reducing valves, the wheel end brakes are opened through the wheel end pressure reducing valves to reduce pressure, and the number of the wheel end pressure increasing valves and the wheel end pressure reducing valves is four and corresponds to the number of the vehicle running wheels one by one; the wheel end pressure increasing valve and the wheel end pressure reducing valve are connected with the electric control unit through electric signals, and the action of the electromagnetic valves is controlled through the electric control unit; the redundant electric control unit is arranged in the electric control unit, at least one wheel end pressure reducing valve is associated with the redundant electric control unit of the electric control unit, the redundant electric control unit controls the wheel end pressure reducing valve to conduct electrifying control on the at least one wheel end pressure reducing valve when the electric control unit fails to work normally, and hydraulic residual pressure in a pipeline after braking is finished can be eliminated through the control; the isolating valve is arranged between the main cylinder and the wheel end booster valve, and when the electric control unit cannot work normally, the driver can operate the input device to realize hydraulic braking on the two wheel end brakes.
The further improvement is that: two loop control valves are arranged between the booster pump and the wheel end booster valve, and the line control loop is divided into two loops through the loop control valves to control four wheel end brakes in pairs.
The further improvement is that: the isolating valve is provided with a safety valve, and when the system fails beyond expectations and cannot enter expected braking, the safety valve is opened to conduct pressurized braking on wheel end braking.
The further improvement is that: the booster pump is connected to the oil pot through a one-way valve to perform oil supplementing operation.
The further improvement is that: the master cylinder is connected with the oilcan without a bypass hole, and the master cylinder can be pressurized through the booster pump and the booster motor under the condition of not stepping on a brake pedal by a driver, so that whether the master cylinder has leakage or not and whether the pedal stroke simulator fails or not can be detected.
The further improvement is that: the loop control valve is connected to the oil can through a one-way fluid supplementing valve, and brake fluid is extracted from the oil can when the loop needs fluid supplementing.
The further improvement is that: the brake system comprises two working modes of brake-by-wire and mechanical backup brake, wherein the brake-by-wire is controlled by an electric control unit to control a pressurizing system and is realized through the cooperation of an isolation valve, a wheel end pressurizing valve, a wheel end pressure reducing valve and a loop control valve; the mechanical backup braking is realized by boosting the wheel end braking of the boosting braking of the two wheel ends through hydraulic braking of a loop and driving the wheel end braking intervention clamping force of the two EPB calipers through a redundancy unit.
The further improvement is that: the master cylinder is connected with a stroke sensor, the stroke sensor is double signals, one path of signals are connected with a redundant unit in the electric control unit, and when the main system of the electric control unit fails or is powered off, the redundant unit uses the signals of the stroke sensor, and the EPB dynamic braking function is realized by using the signals of the stroke sensor.
The further improvement is that: the pedal stroke simulator is connected with a pressure sensor, the redundant unit is connected with the pressure sensor, and when the main system of the electric control unit fails or is powered off, the redundant unit works by using signals of the pressure sensor.
The further improvement is that: the opening pressure of the safety valve is 0.5-5 MPa.
When unexpected faults occur in the system and expected braking cannot be performed, the driver input device continues to boost force and can open the valve, so that pressure is built on the wheel end, and the vehicle brakes and decelerates.
When the main system of the electric control unit fails or is powered off, the hydraulic residual pressure of the wheel end and the pipeline can control at least one wheel end pressure reducing valve in the redundancy unit, so that the hydraulic residual pressure is eliminated.
The master cylinder is connected with the oilcan T without a bypass hole, and the master cylinder can be pressurized through a pressurizing system under the condition of not stepping on a brake pedal by a driver, so that whether the master cylinder has leakage, whether a pedal stroke simulator fails or not and the like are detected.
The system also has the functions of brake-by-wire, hydraulic regulation of regenerative braking, ABS, TCS, VSC, AEB, ACC and other electric control pressure regulation, and also has the function of mechanical backup braking.
The beneficial effects of the invention are as follows: the hydraulic circuit with simpler structure is formed by 12 electromagnetic valves, so that the functions of the two systems of the brake-by-wire hydraulic braking and the mechanical backup braking are realized, the functions of the electric control pressure regulation such as the brake-by-wire hydraulic braking, the regenerative braking hydraulic pressure regulation and ABS, TCS, VSC, AEB, ACC are realized, and the working efficiency and the stability of the braking system are improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Wherein: 1-driver input device, 2-master cylinder, 3-pedal stroke simulator, 4-isolation valve, 5-electric control unit, 6-booster pump, 7-booster motor, 8-wheel end braking, 9-wheel end booster valve, 10-wheel end pressure reducing valve, 11-loop control valve, 12-relief valve, 13-redundant unit, 14-one-way fluid supplementing valve and 15-pressure sensor.
Detailed Description
The present invention will be further described in detail with reference to examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1, the present embodiment provides a brake-by-wire system using EPB auxiliary redundancy, comprising a driver input device 1, a master cylinder 2, a pedal travel simulator 3, an isolation valve 4, a booster system, an electric control unit 5, and four vehicle running wheels; the supercharging system comprises a supercharging pump 6 and a supercharging motor 7, and the electric control unit 5 controls the supercharging motor 7 to drive the supercharging pump 6 to carry out supercharging according to signals of the pedal stroke simulator 3; the driver input device 1 is connected to the master cylinder 2, the master cylinder 2 is connected with the pedal stroke simulator 3 through an oil pipe, a wheel end brake 8 is arranged on a vehicle running wheel, the booster pump 6 is connected with the wheel end brake 8 through the oil pipe, a wheel end booster valve 9 is arranged between the booster pump 6 and the wheel end brake 8, the wheel end brake 8 is also connected with a wheel end pressure reducing valve 10, the wheel end brake 8 is opened through the wheel end pressure reducing valve 10 to reduce pressure, and the wheel end booster valves 9 and the wheel end pressure reducing valves 10 are four and are in one-to-one correspondence with the vehicle running wheel; the wheel end pressure increasing valve 9 and the wheel end pressure reducing valve 10 are connected with the electric control unit 5 by electric signals, and the action of the electromagnetic valves is controlled by the electric control unit 5; the redundant electric control unit 13 is arranged in the electric control unit 5, at least one wheel end pressure reducing valve 10 is associated with the redundant electric control unit 13 of the electric control unit 5, the redundant electric control unit 13 controls the wheel end pressure reducing valve 10 to carry out electrifying control on the at least one wheel end pressure reducing valve 10 when the electric control unit 5 fails to work normally, and the control can eliminate hydraulic residual pressure in a pipeline after braking is finished; the isolating valve 4 is arranged between the main cylinder 2 and the wheel end booster valve 10, and when the electric control unit 5 cannot work normally, the driver operates the input device 1 to realize hydraulic braking on the two wheel end brakes 8 connected with the isolating valve 4. Two loop control valves 11 are arranged between the booster pump 6 and the wheel end booster valve 9, and the line control loop is divided into two loops through the loop control valves 11, so that four wheel end brakes 8 are controlled in pairs. The isolating valve 4 is provided with a safety valve 12, and when the system fails beyond expectations and cannot enter expected braking, the safety valve 12 is opened to perform pressurized braking on the wheel end brake 8. The booster pump 6 is connected to the oil pot through a one-way valve to perform oil supplementing operation. The master cylinder 2 is connected with the oilcan without a bypass hole, and the master cylinder 2 can be pressurized through the booster pump 6 and the booster motor 7 under the condition of not stepping on a brake pedal by a driver, so that whether the master cylinder 2 has leakage or not and whether the pedal stroke simulator 3 has faults or not can be detected. The loop control valve 11 is connected to the oil can through a one-way fluid supplementing valve 14, and brake fluid is pumped from the oil can when fluid supplementing is needed in the loop. The brake system comprises two working modes of brake-by-wire and mechanical backup brake, wherein the brake-by-wire is controlled by an electric control unit 5 to control a pressurizing system and is realized by matching an isolation valve 4, a wheel end pressurizing valve 9, a wheel end pressure reducing valve 10 and a loop control valve 11; the mechanical backup braking is realized by boosting the wheel end brakes 8 of the two wheel end boosting brakes through hydraulic braking of a loop and by driving the wheel end brakes 8 of the two EPB calipers through a redundancy unit 13 to intervene in clamping force. The master cylinder 2 is connected with a stroke sensor, the stroke sensor is a double signal, one path of signal is connected with the redundancy unit 13 in the electric control unit 5, when the main system of the electric control unit 5 fails or is powered off, the redundancy unit 13 uses the signal of the stroke sensor, and the EPB dynamic braking function is realized by using the signal of the stroke sensor. The pedal stroke simulator 3 is connected with a pressure sensor 15, the redundancy unit 13 is connected with the pressure sensor 15, and when the main system of the electric control unit 5 fails or is powered off, the redundancy unit 13 works by using the signal of the pressure sensor 15. The opening pressure of the relief valve 12 was 2.5MPa. The hydraulic circuit with simpler structure is formed by 12 electromagnetic valves, so that the functions of the two systems of the brake-by-wire hydraulic braking and the mechanical backup braking are realized, the functions of the electric control pressure regulation such as the brake-by-wire hydraulic braking, the regenerative braking hydraulic pressure regulation and ABS, TCS, VSC, AEB, ACC are realized, and the working efficiency and the stability of the braking system are improved.
Claims (7)
1. A brake-by-wire system utilizing EPB auxiliary redundancy, characterized by: the device comprises a driver input device (1), a master cylinder (2), a pedal stroke simulator (3), an isolation valve (4), a supercharging system, an electric control unit (5) and four vehicle running wheels; the supercharging system comprises a supercharging pump (6) and a supercharging motor (7), and the electric control unit (5) controls the supercharging motor (7) to drive the supercharging pump (6) to carry out supercharging according to signals of the pedal stroke simulator (3); the driver input device (1) is connected to the master cylinder (2), the master cylinder (2) is connected with the pedal stroke simulator (3) through an oil pipe, a wheel end brake (8) is arranged on a vehicle running wheel, the booster pump (6) is connected with the wheel end brake (8) through the oil pipe, a wheel end pressure increasing valve (9) is arranged between the booster pump (6) and the wheel end brake (8), a wheel end pressure reducing valve (10) is further connected to the wheel end brake (8), the wheel end brake (8) is depressurized by opening the wheel end pressure reducing valve (10), and the wheel end pressure increasing valves (9) and the wheel end pressure reducing valves (10) are four and are in one-to-one correspondence with the vehicle running wheel; the wheel end pressure increasing valve (9) and the wheel end pressure reducing valve (10) are connected with the electric control unit (5) through electric signals, and the action of the electromagnetic valves is controlled through the electric control unit (5); the redundant electric control unit (13) is arranged in the electric control unit (5), at least one wheel end pressure reducing valve (10) is associated with the redundant electric control unit (13) of the electric control unit (5), the redundant electric control unit (13) of the electric control unit (5) is used for controlling the wheel end pressure reducing valve (10) to carry out electrifying control on the at least one wheel end pressure reducing valve (10) when the electric control unit (5) fails to work normally, and hydraulic residual pressure in a pipeline after braking is finished can be eliminated through the control; the isolating valve (4) is arranged between the main cylinder (2) and the wheel end booster valve (10), and when the electric control unit (5) cannot work normally, a driver operates the input device (1) to realize hydraulic braking on the two wheel end brakes (8); the brake system comprises two working modes of brake-by-wire and mechanical backup brake, wherein the brake-by-wire is controlled by an electric control unit (5) to control a pressurizing system and is realized by matching an isolation valve (4), a wheel end pressurizing valve (9), a wheel end pressure reducing valve (10) and a loop control valve (11); the mechanical backup braking is realized by boosting the wheel end brakes (8) of two wheel end boosting brakes through hydraulic braking of a loop and by driving the wheel end brakes (8) of two EPB calipers through a redundant electric control unit (13) to intervene in clamping force; the master cylinder (2) is connected with a stroke sensor, the stroke sensor is a double signal, one path of signal is connected with a redundant electric control unit (13) in the electric control unit (5), and when the main system of the electric control unit (5) fails or is powered off, the redundant electric control unit (13) uses the signal of the stroke sensor and realizes an EPB dynamic braking function by using the signal of the stroke sensor; the pedal stroke simulator (3) is connected with a pressure sensor (15), the redundant electric control unit (13) is connected with the pressure sensor (15), and when the main system of the electric control unit (5) fails or is powered off, the redundant electric control unit (13) works by using signals of the pressure sensor (15).
2. A brake-by-wire system utilizing EPB auxiliary redundancy as recited in claim 1, wherein: two loop control valves (11) are arranged between the booster pump (6) and the wheel end booster valve (9), and the line control loop is divided into two loops through the loop control valves (11) to control four wheel end brakes (8) in pairs.
3. A brake-by-wire system utilizing EPB auxiliary redundancy as recited in claim 1, wherein: the isolation valve (4) is provided with a safety valve (12), and when the system fails beyond expectations and cannot enter expected braking, the safety valve (12) is opened to perform pressurized braking on the wheel end brake (8).
4. A brake-by-wire system utilizing EPB auxiliary redundancy as recited in claim 1, wherein: the booster pump (6) is connected to the oil pot through a one-way valve to perform oil supplementing operation.
5. A brake-by-wire system utilizing EPB auxiliary redundancy as recited in claim 1, wherein: the master cylinder (2) is connected with the oilcan without a bypass hole, and the master cylinder (2) can be pressurized through the booster pump (6) and the booster motor (7) under the condition that a driver does not step on a brake pedal, so that whether the master cylinder (2) has leakage or not and whether the pedal stroke simulator (3) has faults or not can be detected.
6. A brake-by-wire system utilizing EPB auxiliary redundancy as recited in claim 2, wherein: the loop control valve (11) is connected to the oil can through a one-way fluid supplementing valve (14), and brake fluid is extracted from the oil can when fluid supplementing is needed in the loop.
7. A brake-by-wire system utilizing EPB auxiliary redundancy as recited in claim 3, wherein: the opening pressure of the safety valve (12) is 0.5-5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810589132.0A CN108791260B (en) | 2018-06-08 | 2018-06-08 | Wire control hydraulic braking system utilizing EPB auxiliary redundancy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810589132.0A CN108791260B (en) | 2018-06-08 | 2018-06-08 | Wire control hydraulic braking system utilizing EPB auxiliary redundancy |
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| CN108791260A CN108791260A (en) | 2018-11-13 |
| CN108791260B true CN108791260B (en) | 2023-08-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397646B (en) * | 2019-06-27 | 2020-06-30 | 中煤科工集团西安研究院有限公司 | Oil cylinder control system and control method |
| CN110525409A (en) * | 2019-08-15 | 2019-12-03 | 芜湖伯特利汽车安全系统股份有限公司 | The redundancy service braking system of vehicle |
| CN110723127B (en) * | 2019-09-29 | 2021-05-25 | 江苏大学 | Fault-tolerant control system and control method for brake-by-wire failure fault of automobile |
| CN110641432B (en) * | 2019-10-31 | 2021-03-19 | 东风汽车股份有限公司 | Combined brake control method based on brake-by-wire and electronic parking brake |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012210809A1 (en) * | 2011-07-27 | 2013-01-31 | Continental Teves Ag & Co. Ohg | Brake system for motor vehicle, has separating valves that are controlled by electronic control and regulating units |
| CN103635367A (en) * | 2011-05-10 | 2014-03-12 | 卢卡斯汽车股份有限公司 | Hydraulic vehicle braking system with electromechanical actuator, and method for operating such a hydraulic vehicle braking system |
| JP2015058717A (en) * | 2013-09-17 | 2015-03-30 | 日立オートモティブシステムズ株式会社 | Brake control device |
| CN106458192A (en) * | 2014-05-15 | 2017-02-22 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Brake system for motor vehicles |
| CN107117153A (en) * | 2017-04-27 | 2017-09-01 | 上海拿森汽车电子有限公司 | A kind of control method of electric controlled brake system, device and electric controlled brake system |
| CN107458365A (en) * | 2017-09-18 | 2017-12-12 | 芜湖伯特利电子控制系统有限公司 | Decoupled brake-by-wire system and control method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10159789C1 (en) * | 2001-12-05 | 2003-04-17 | Daimler Chrysler Ag | Electrohydraulic braking device has braking fluid fed back to auxiliary braking circuit upon electrohydraulic component failure |
-
2018
- 2018-06-08 CN CN201810589132.0A patent/CN108791260B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103635367A (en) * | 2011-05-10 | 2014-03-12 | 卢卡斯汽车股份有限公司 | Hydraulic vehicle braking system with electromechanical actuator, and method for operating such a hydraulic vehicle braking system |
| DE102012210809A1 (en) * | 2011-07-27 | 2013-01-31 | Continental Teves Ag & Co. Ohg | Brake system for motor vehicle, has separating valves that are controlled by electronic control and regulating units |
| JP2015058717A (en) * | 2013-09-17 | 2015-03-30 | 日立オートモティブシステムズ株式会社 | Brake control device |
| CN106458192A (en) * | 2014-05-15 | 2017-02-22 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Brake system for motor vehicles |
| CN107117153A (en) * | 2017-04-27 | 2017-09-01 | 上海拿森汽车电子有限公司 | A kind of control method of electric controlled brake system, device and electric controlled brake system |
| CN107458365A (en) * | 2017-09-18 | 2017-12-12 | 芜湖伯特利电子控制系统有限公司 | Decoupled brake-by-wire system and control method thereof |
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