一种防误踩油门限位系统

Prevent missing spacing system that steps on gas

Abstract

本实用新型涉及汽车安全行驶领域,针对现有防误踩油门系统存在安全隐患的问题,公开了一种防误踩油门限位系统,包括传感单元、控制单元和限位执行单元,所述限位执行单元和传感单元分别与控制单元连接,限位执行单元包括主液压油缸和辅液压油缸,主液压油缸内设有主活塞和与主活塞连接的连杆,辅液压油缸内设有辅活塞,辅活塞经弹簧与辅液压油缸底部连接,主液压油缸和辅液压油缸通过两根高压油管连通,第一高压油管上设有常开的电磁阀,第二高压油管上设有控制液压油从辅液压油缸流向主液压油缸的单向阀,所述电磁阀与控制单元连接,主液压油缸上还设有泄压阀。本实用新型与现有技术相比具有安全性高的有益效果。
The utility model relates to a problem that there is the potential safety hazard in accelerator system is stepped on to having now to prevent missing in car safety traffic field, discloses a prevent missing spacing system that steps on gas, including sensing unit, the control unit and spacing execution unit, spacing execution unit and sensing unit are connected with the control unit respectively, spacing execution unit includes main hydraulic cylinder and assists hydraulic cylinder, be equipped with in the main hydraulic cylinder main piston and with main hinge joint's connecting rod, be equipped with subsidiary piston in the assistance hydraulic cylinder, it is connected bottom assistance hydraulic cylinder through the spring to assist the piston, main hydraulic cylinder and assistance hydraulic cylinder communicate through two high pressure fuel pipe, be equipped with the solenoid valve of normally opening on the high pressure fuel pipe, be equipped with the check valve of control hydraulic oil from assisting the main hydraulic cylinder of the hydraulic cylinder flow direction on the 2nd high pressure fuel pipe, the solenoid valve is connected with the control unit, still is equipped with the relief valve on the main hydraulic cylinder. Compared with the prior art, the utility model the high beneficial effect of security has.

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