The invention provides a hydro-pneumatic suspension system, a control method and an unmanned vehicle. The hydro-pneumatic suspension system comprises an oil inlet pipeline and an oil return pipeline; the suspension oil cylinder comprises a rod cavity and a rodless cavity; the first valve group is communicated with the oil inlet pipeline; the at least one second valve group is in one-to-one correspondence with the suspension oil cylinders, and the first valve group is communicated with any second valve group; the first valve group comprises an electromagnetic valve and a back pressure valve, one end of the back pressure valve is communicated with the rod cavity, and the other end of the back pressure valve is communicated with a working port of the electromagnetic valve; the second valve group comprises a proportional flow valve, one end of the proportional flow valve is communicated with the rodless cavity, and the other end of the proportional flow valve is communicated with the other working port of the electromagnetic valve; and the controller is used for controlling the electromagnetic valve, the back pressure valve and the proportional flow valve to work.
本发明提供了一种油气悬挂系统、控制方法和无人车,其中油气悬挂系统,包括进油管路和回油管路;至少一个悬挂油缸,悬挂油缸包括:有杆腔和无杆腔;第一阀组,第一阀组与进油管路连通;至少一个第二阀组,与悬挂油缸一一对应,第一阀组和任一第二阀组连通;第一阀组包括电磁阀和背压阀,背压阀的一端与有杆腔连通,背压阀的另一端与电磁阀的一个工作口连通;第二阀组包括比例流量阀,比例流量阀的一端与无杆腔连通,比例流量阀的另一端与电磁阀的另一个工作口连通;控制器,用于控制电磁阀、背压阀和比例流量阀的工作。
Hydro-pneumatic suspension system, control method and unmanned vehicle
油气悬挂系统、控制方法和无人车
2024-03-01
Patent
Elektronische Ressource
Chinesisch
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
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