CN213228592U - Integrated electronic power-assisted brake system - Google Patents
Integrated electronic power-assisted brake system Download PDFInfo
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- CN213228592U CN213228592U CN202020181943.XU CN202020181943U CN213228592U CN 213228592 U CN213228592 U CN 213228592U CN 202020181943 U CN202020181943 U CN 202020181943U CN 213228592 U CN213228592 U CN 213228592U
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- normally closed
- brake
- pedal simulator
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Abstract
The utility model discloses an integrated electronic power-assisted brake system, which relates to the field of brake systems and mainly comprises a brake main cylinder, an oil can, a pedal simulator A, a control valve, a pedal simulator B, a power-assisted main 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 utility model 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 utility model relates to a braking system's field, concretely relates to integrated form electron helping hand braking 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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide an integrated form electron helping hand braking system, it is adjustable with electronic brake booster and automobile body stable system integration together and have multiple feel.
The purpose of the utility model is accomplished through 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 utility model has the advantages that: the utility model 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 view 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 present invention will be described in detail with reference to the accompanying 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 or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
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 2, 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 |
|---|---|---|---|
| CN202020181943.XU CN213228592U (en) | 2020-02-18 | 2020-02-18 | Integrated electronic power-assisted brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020181943.XU CN213228592U (en) | 2020-02-18 | 2020-02-18 | Integrated electronic power-assisted brake system |
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| Publication Number | Publication Date |
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| CN213228592U true CN213228592U (en) | 2021-05-18 |
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| CN202020181943.XU Active CN213228592U (en) | 2020-02-18 | 2020-02-18 | Integrated electronic power-assisted brake system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111284462A (en) * | 2020-02-18 | 2020-06-16 | 万向钱潮股份有限公司 | Integrated electronic power-assisted brake system |
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2020
- 2020-02-18 CN CN202020181943.XU patent/CN213228592U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111284462A (en) * | 2020-02-18 | 2020-06-16 | 万向钱潮股份有限公司 | Integrated electronic power-assisted brake system |
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Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang Qianchao Co.,Ltd. Patentee after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: WANXIANG QIANCHAO Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
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