The invention discloses an automatic pressure regulating valve suitable for multi-level driving automation of a commercial vehicle and a control method. The automatic pressure regulating valve comprises an upper valve body, a lower valve body, a piston, a main valve element assembly, a switching valve, a high-speed air inlet valve and a high-speed exhaust valve. The switching valve, the high-speed air inlet valve and the high-speed exhaust valve are all installed at the upper end of the upper valve body. The piston is located in a cavity formed by the upper valve body and the lower valve body and divides the cavity into a control cavity on the upper portion and a lower cavity on the lower portion. The main valve element assembly is installed on the lower valve body. The automatic pressure regulating valveis suitable for a commercial vehicle with multi-level driving automation, and can be used in a commercial vehicle air pressure braking system with multi-level driving automation, such as manual control braking, electric control braking, conversion from electric control to manual control, conversion from manual control to electric control braking and the like; the pressure of the brake chamber can be rapidly, accurately, independently and automatically adjusted in real time, the transmission time delay of the air brake system is shortened, the reliability of the air brake system is improved, manual control brake can still be guaranteed when the system has electric control failure faults such as power failure, and normal running of a vehicle is maintained.
本发明公开了一种适于商用车多层级驾驶自动化的自动调压阀及控制方法,包括上阀体、下阀体、活塞、主阀芯组件、切换阀、高速进气阀和高速排气阀;切换阀、高速进气阀和高速排气阀均安装于上阀体上端;活塞位于上阀体和下阀体组成的腔体内,将腔体分为上部的控制腔和下部的下腔体;主阀芯组件安装于下阀体。适用于多层级驾驶自动化的商用车,能够在人工控制制动、电控制动、电控转人工控制以及人工控制转电控制动等多层级的驾驶自动化的商用车气压制动系统中使用;能够快速、精确、独立地实时自动调节制动气室的压力,缩短气压制动系统的传输时延,提升气压制动系统的可靠性,并在系统发生断电等电控失效的故障时仍能保障人工控制制动,维持车辆的正常行驶。
Automatic pressure regulating valve suitable for multi-level driving automation of commercial vehicle and control method
适于商用车多层级驾驶自动化的自动调压阀及控制方法
2021-10-08
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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