CN111284462A - Integrated electronic power-assisted brake system - Google Patents
Integrated electronic power-assisted brake system Download PDFInfo
- Publication number
- CN111284462A CN111284462A CN202010098457.6A CN202010098457A CN111284462A CN 111284462 A CN111284462 A CN 111284462A CN 202010098457 A CN202010098457 A CN 202010098457A CN 111284462 A CN111284462 A CN 111284462A
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- Prior art keywords
- control valve
- pedal
- normally closed
- brake
- pedal simulator
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- 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
Links
- 239000003921 oil Substances 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 239000000679 carrageenan Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000035807 sensation Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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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
- B60T13/12—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
- B60T13/74—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 invention discloses an integrated electronic power-assisted brake system, which relates to the field of brake systems and mainly comprises a brake master cylinder, an oil can, a pedal simulator A, a control valve, a pedal simulator B, a power-assisted master cylinder, a motor driving system and a sensor; the pedal simulator A and the pedal simulator B can provide different pedal feelings, and three different pedal feelings can be provided through mutual matching of the pedal simulator A and the pedal simulator B. The invention can realize the electric power-assisted braking of the vehicle; the ESC function is integrated, and a vehicle chassis hydraulic control system is integrated; three different pedal feelings can be provided by the two pedal simulators; the brake redundancy function is provided; the electronic brake booster and the vehicle body stabilizing system are integrated, so that the whole volume is reduced, the system is compact, and the cost is lower.
Description
Technical Field
The invention relates to the field of brake systems, in particular to an integrated electronic power-assisted brake system.
Background
The existing integrated electronic power-assisted brake system mainly comprises different schemes such as a Bosch IPB scheme, a continental MK C1 scheme and the like. The patents belong to the leading-edge technology, and at present, each family has own characteristics, and the related technology has strong barriers. In addition, the schemes of the Bosey and the continental need to be externally connected with other components to realize the brake redundancy function, so that the complexity of the system is increased, and the actual use and production are not facilitated.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an integrated electronic power-assisted brake system, which integrates an electronic brake booster and a vehicle body stabilizing system and has various adjustable foot feelings.
The purpose of the invention is achieved by the following technical scheme: the integrated electronic power-assisted brake system mainly comprises a brake master cylinder, an oil can, a pedal simulator A, a control valve, a pedal simulator B, a power-assisted master cylinder, a motor driving system and a sensor; the motor driving system and the power-assisted main cylinder which is matched and connected with the motor driving system provide electric power assistance, the pedal simulator A and the pedal simulator B can provide different pedal feelings, and three different pedal feelings can be provided by mutual matching of the pedal simulator A and the pedal simulator B; the brake master cylinder provides failure assistance, the oil can is a carrier for storing hydraulic oil, the control valve controls the operation of each part of the system, and the sensor monitors the state of each part of the system; the control valve mainly comprises a normally closed control valve A, a normally open control valve B, a normally closed control valve C, a normally closed control valve E, a normally open control valve C and a normally closed control valve D; the pedal simulator A and the pedal simulator B are closed when the normally open control valve B and the normally open control valve C are closed, and brake fluid enters when the normally closed control valve C and the normally closed control valve D are opened, so that pedal feeling is provided; and the pedal establishes hydraulic pressure through the brake master cylinder under the condition that the normally closed control valve B, the normally closed control valve C and the normally closed control valve E are closed and the normally open control valve B and the normally open control valve C are opened.
As a further technical scheme, the sensors mainly comprise a stroke sensor, a hydraulic sensor A and a hydraulic sensor B.
As a further technical scheme, the stroke sensor obtains a pedal displacement signal, provides a stroke signal and feeds back the stroke signal to the controller to be used as a system execution basis, the stroke sensor has double-path output, and output signals are mutually checked so as to improve the safety level.
As a further technical scheme, the motor driving system consists of a motor, a gear pair and a screw rod, wherein the motor transmits power to the screw rod through the gear pair, and the gear pair increases the torque of the motor and applies the torque on the screw rod so as to generate thrust to act on the power-assisted main cylinder to generate required braking hydraulic pressure.
As a further technical scheme, the power-assisted main cylinder is connected with an oil can through a one-way valve A.
As a further technical scheme, the boosting master cylinder distributes boosting hydraulic pressure to the normally open control valve A through the normally closed control valve B and the normally closed control valve E and then acts on the calipers, the normally closed control valve A reduces the hydraulic pressure of the calipers when needed, and redundant brake fluid flows back into the oil can through a pipeline.
As a further technical scheme, the hydraulic sensor A monitors the hydraulic pressure output by the brake master cylinder, and the hydraulic sensor B monitors the hydraulic pressure in the system, so that data are provided for the controller to judge.
As a further technical scheme, the normally open control valve A is provided with a check valve B.
As a further technical scheme, the pedal simulator A is provided with a one-way valve D, and the pedal simulator B is provided with a one-way valve C.
The invention has the beneficial effects that: the invention can realize the electric power-assisted braking of the vehicle; the ESC function is integrated, and a vehicle chassis hydraulic control system is integrated; three different pedal feelings can be provided by the two pedal simulators; the brake redundancy function is provided; the electronic brake booster and the vehicle body stabilizing system are integrated, so that the whole volume is reduced, the system is compact, and the cost is lower.
Drawings
Fig. 1 is a schematic diagram of the principle of the present invention.
Description of reference numerals: the brake master cylinder comprises a brake master cylinder 1, an oil can 2, a pedal simulator A3, a pedal simulator B5, a power-assisted master cylinder 6, a motor drive system 7, calipers 8, a normally closed control valve D301, a normally closed control valve A401, a normally open control valve A402, a normally open control valve B403, a normally closed control valve B404, a normally closed control valve C405, a normally closed control valve E407, a normally open control valve C408, a one-way valve C501, a one-way valve D502, a one-way valve A601, a motor 701, a gear pair 702, a screw rod 703, a stroke sensor 801, a hydraulic sensor A802, a hydraulic sensor B803 and a one-way valve B901.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the attached drawings, the integrated electronic power-assisted brake system mainly comprises a brake master cylinder 1, an oil can 2, a pedal simulator A3, a control valve, a pedal simulator B5, a power-assisted master cylinder 6, a motor driving system 7 and a sensor; the motor driving system 7 and the power assisting main cylinder 6 which are connected in a matched mode provide electric power assisting, the brake main cylinder 1 provides failure power assisting, the oil can 2 is a carrier for storing hydraulic oil, the control valve controls the operation of all parts of the system, and the sensors monitor the state of all parts of the system.
The control valve mainly comprises a normally closed control valve A401, a normally open control valve A402, a normally open control valve B403, a normally closed control valve B404, a normally closed control valve C405, a normally closed control valve E407, a normally open control valve C408 and a normally closed control valve D301; the normally open control valve A402 is provided with a one-way valve B901.
The sensors mainly comprise a stroke sensor 801, a hydraulic pressure sensor A802 and a hydraulic pressure sensor B803. The stroke sensor 801 obtains a pedal displacement signal, provides a stroke signal and feeds the stroke signal back to the controller as a system execution basis, the stroke sensor 801 has double-path output, and the output signals are mutually checked, so that the safety level is improved.
The pedal simulator A3 and the pedal simulator B5 have brake fluid entering under the state that the normally open control valve B403 and the normally open control valve C408 are closed, and the normally closed control valve C405 and the normally closed control valve D301 are opened, so as to provide pedal feeling; the failure assistance provided by the master cylinder 1 is that the pedal establishes hydraulic pressure through the master cylinder 1 in a state that the normally closed control valve B404, the normally closed control valve C405 and the normally closed control valve E407 are closed, and the normally open control valve B403 and the normally open control valve C408 are opened. The pedal simulator A3 is provided with a one-way valve D502, and the pedal simulator B5 is provided with a one-way valve C501; and pedal simulator a3 and pedal simulator B5 can provide different pedal sensations, and three different pedal sensations (i.e., pedal simulator a activated or pedal simulator B activated or both activated) can be provided by the cooperation of the two.
The motor driving system 7 is composed of a motor 701, a gear pair 702 and a screw rod 703, the motor 701 transmits power to the screw rod 703 through the gear pair 702, and the gear pair 702 increases the torque of the motor 701 and applies the torque to the screw rod 703 so as to generate thrust to act on the power-assisted master cylinder 6 to generate required brake hydraulic pressure. The power-assisted main cylinder 6 is connected with the oil can 2 through a one-way valve A601. The boosting master cylinder 6 distributes boosting hydraulic pressure to the normally open control valve A402 through the normally closed control valve B404 and the normally closed control valve E407 and then acts on the caliper 8, the normally closed control valve A401 reduces the hydraulic pressure of the caliper 8 when needed, and redundant brake fluid flows back into the oil can 2 through a pipeline. The hydraulic sensor A802 monitors the hydraulic pressure output by the brake master cylinder 1, and the hydraulic sensor B803 monitors the hydraulic pressure in the system, so that data are provided for the controller to make judgment.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (9)
1. An integrated electronic power-assisted brake system, comprising: the brake system mainly comprises a brake master cylinder (1), an oil can (2), a pedal simulator A (3), a control valve, a pedal simulator B (5), a power-assisted master cylinder (6), a motor driving system (7) and a sensor; the motor driving system (7) and the power-assisted main cylinder (6) which are connected in a matched mode provide electric power assistance, the pedal simulator A (3) and the pedal simulator B (5) can provide different pedal feelings, and three different pedal feelings can be provided through mutual matching of the pedal simulator A and the pedal simulator B; the brake master cylinder (1) provides failure assistance, the oil can (2) is a carrier for storing hydraulic oil, the control valve controls the operation of each part of the system, and the sensor monitors the state of each part of the system; the control valve mainly comprises a normally closed control valve A (401), a normally open control valve A (402), a normally open control valve B (403), a normally closed control valve B (404), a normally closed control valve C (405), a normally closed control valve E (407), a normally open control valve C (408) and a normally closed control valve D (301); the pedal simulator A (3) and the pedal simulator B (5) have brake fluid entering in the states that the normally open control valve B (403) and the normally open control valve C (408) are closed, and the normally closed control valve C (405) and the normally closed control valve D (301) are opened, so that pedal feeling is provided; the failure assistance provided by the brake master cylinder (1) is that the pedal establishes hydraulic pressure through the brake master cylinder (1) when the normally closed control valve B (404), the normally closed control valve C (405) and the normally closed control valve E (407) are closed, and the normally open control valve B (403) and the normally open control valve C (408) are opened.
2. The integrated electronic power assisted brake system of claim 1, wherein: the sensors mainly comprise a stroke sensor (801), a hydraulic pressure sensor A (802) and a hydraulic pressure sensor B (803).
3. The integrated electronic power assisted brake system of claim 2, wherein: the stroke sensor (801) obtains a pedal displacement signal, provides a stroke signal and feeds the stroke signal back to the controller to serve as a system execution basis, the stroke sensor (801) has double-path output, and output signals are mutually checked, so that the safety level is improved.
4. The integrated electronic power assisted brake system of claim 1, wherein: the motor driving system (7) is composed of a motor (701), a gear pair (702) and a screw rod (703), the motor (701) transmits power to the screw rod (703) through the gear pair (702), and the gear pair (702) increases the torque of the motor (701) and applies the torque to the screw rod (703), so that thrust is generated and acts on the power-assisted master cylinder (6) to generate required brake hydraulic pressure.
5. The integrated electronic power assisted brake system of claim 1, wherein: the power-assisted main cylinder (6) is connected with the oil can (2) through a one-way valve A (601).
6. The integrated electronic power assisted brake system of claim 1, wherein: the boosting master cylinder (6) distributes boosting hydraulic pressure to the normally open control valve A (402) through the normally closed control valve B (404) and the normally closed control valve E (407) and then acts on the calipers (8), the normally closed control valve A (401) reduces the hydraulic pressure of the calipers (8) when needed, and redundant brake fluid flows back into the oil can (2) through a pipeline.
7. The integrated electronic power assisted brake system of claim 1, wherein: the hydraulic sensor A (802) monitors the hydraulic pressure output by the brake master cylinder (1), and the hydraulic sensor B (803) monitors the hydraulic pressure in the system, so that data are provided for the controller to judge.
8. The integrated electronic power assisted brake system of claim 1, wherein: the normally open control valve A (402) is provided with a one-way valve B (901).
9. The integrated electronic power assisted brake system of claim 1, wherein: the pedal simulator A (3) is provided with a one-way valve D (502), and the pedal simulator B (5) is provided with a one-way valve C (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010098457.6A CN111284462A (en) | 2020-02-18 | 2020-02-18 | Integrated electronic power-assisted brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010098457.6A CN111284462A (en) | 2020-02-18 | 2020-02-18 | Integrated electronic power-assisted brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111284462A true CN111284462A (en) | 2020-06-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010098457.6A Pending CN111284462A (en) | 2020-02-18 | 2020-02-18 | Integrated electronic power-assisted brake system |
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| Country | Link |
|---|---|
| CN (1) | CN111284462A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038461A (en) * | 2019-12-31 | 2020-04-21 | 万向钱潮股份有限公司 | Integrated electronic power-assisted brake system |
| CN113447258A (en) * | 2021-08-12 | 2021-09-28 | 中汽创智科技有限公司 | Brake system durability testing device and brake system durability testing method |
| CN113954803A (en) * | 2021-11-29 | 2022-01-21 | 万向钱潮股份有限公司 | Electronic braking boosting system for large vehicle |
| CN114537356A (en) * | 2022-03-03 | 2022-05-27 | 万向钱潮股份有限公司 | Electronic braking boosting system for large vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009143302A (en) * | 2007-12-12 | 2009-07-02 | Honda Motor Co Ltd | Stroke simulator |
| US20130232966A1 (en) * | 2010-11-17 | 2013-09-12 | Honda Motor Co., Ltd. | Vehicle brake system |
| CN203450113U (en) * | 2012-12-26 | 2014-02-26 | 现代摩比斯株式会社 | Braking device |
| KR20140030227A (en) * | 2011-05-02 | 2014-03-11 | 콘티넨탈 테베스 아게 운트 코. 오하게 | Pedal travel simulator, actuating unit for a hydraulic brake system and brake system |
| CN208530546U (en) * | 2018-02-06 | 2019-02-22 | 万向钱潮股份有限公司 | A kind of vehicle integration electric servo brake system |
| CN110682900A (en) * | 2019-10-17 | 2020-01-14 | 浙江亚太机电股份有限公司 | Integrated braking system with adjustable pedal feel and self-checking function |
| CN213228592U (en) * | 2020-02-18 | 2021-05-18 | 万向钱潮股份有限公司 | Integrated electronic power-assisted brake system |
-
2020
- 2020-02-18 CN CN202010098457.6A patent/CN111284462A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009143302A (en) * | 2007-12-12 | 2009-07-02 | Honda Motor Co Ltd | Stroke simulator |
| US20130232966A1 (en) * | 2010-11-17 | 2013-09-12 | Honda Motor Co., Ltd. | Vehicle brake system |
| KR20140030227A (en) * | 2011-05-02 | 2014-03-11 | 콘티넨탈 테베스 아게 운트 코. 오하게 | Pedal travel simulator, actuating unit for a hydraulic brake system and brake system |
| CN203450113U (en) * | 2012-12-26 | 2014-02-26 | 现代摩比斯株式会社 | Braking device |
| CN208530546U (en) * | 2018-02-06 | 2019-02-22 | 万向钱潮股份有限公司 | A kind of vehicle integration electric servo brake system |
| CN110682900A (en) * | 2019-10-17 | 2020-01-14 | 浙江亚太机电股份有限公司 | Integrated braking system with adjustable pedal feel and self-checking function |
| CN213228592U (en) * | 2020-02-18 | 2021-05-18 | 万向钱潮股份有限公司 | Integrated electronic power-assisted brake system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038461A (en) * | 2019-12-31 | 2020-04-21 | 万向钱潮股份有限公司 | Integrated electronic power-assisted brake system |
| CN113447258A (en) * | 2021-08-12 | 2021-09-28 | 中汽创智科技有限公司 | Brake system durability testing device and brake system durability testing method |
| CN113954803A (en) * | 2021-11-29 | 2022-01-21 | 万向钱潮股份有限公司 | Electronic braking boosting system for large vehicle |
| CN114537356A (en) * | 2022-03-03 | 2022-05-27 | 万向钱潮股份有限公司 | Electronic braking boosting system for large vehicle |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: Wanxiang Qianchao Co.,Ltd. Applicant after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Applicant before: WANXIANG QIANCHAO Co.,Ltd. Applicant before: WANXIANG GROUP Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200616 |