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发明授权
CN106915343B 集成副主缸线控液压制动系统 有权

集成副主缸线控液压制动系统
摘要：
本发明公开了一种集成副主缸线控液压制动系统，为克服集成度相对较低、电机建立的制动压力相对比较慢、制动压力波动较大与建压精度较差的问题，其包括制动启动单元、制动主缸、制动副主缸单元、电磁阀单元；制动副主缸单元包括电机和制动副主缸；电磁阀单元包括第一两位三通电磁阀、第二两位三通电磁阀、第五常开电磁阀、第二常闭电磁阀与第三常闭电磁阀；制动启动单元采用其中的输入推杆与制动主缸的主缸第一活塞连接；制动主缸通过第五常开电磁阀与电磁阀单元管路连接；制动副主缸通过第一两位三通电磁阀、第二两位三通电磁阀、第二常闭电磁阀与第三常闭电磁阀和电磁阀单元管路连接；电机和制动副主缸通过其中的输出轴与副主缸第一活塞固连接。
摘要（英）：

The invention discloses a wire-control hydraulic braking system with an integrated vice master cylinder. The problems that the integration level is low, the braking pressure is relatively slowly set up by a motor, brake pressure variation is large, and pressure setting up accuracy is low are solved. The wire-control hydraulic braking system comprises a braking starting unit, a braking master cylinder, a braking vice master cylinder unit and an electromagnetic valve unit; the braking vice master cylinder unit comprises a motor and the braking vice master cylinder; the electromagnetic valve unit comprises a first two-position three-way electromagnetic valve, a second two-position three-way electromagnetic valve, a fifth constantly-open electromagnetic valve, a second constantly-close electromagnetic valve and a third constantly-close electromagnetic valve; the braking starting unit is connected with a first piston of a master cylinder body of the braking master cylinder through an input push rod of the braking starting unit; the braking master cylinder is in pipeline connection with the electromagnetic valve unit through the fifth constantly-open electromagnetic valve; the braking vice master cylinder is in pipeline connection with the electromagnetic valve unit through the first two-position three-way electromagnetic valve, the second two-position three-way electromagnetic valve, the second constantly-close electromagnetic valve and the third constantly-close electromagnetic valve; and the motor and the braking vice master cylinder are connected with a first vice master cylinder piston through an output shaft in the motor.

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