Hydraulic Control Systems and Vehicles

Abstract

The invention provides a hydraulic control system and a vehicle. The hydraulic control system includes: a cooling lubricating oil circuit and a main control oil circuit; an oil storage part; a first pump, the inlet of the first pump is connected with the oil storage part, and the first The outlet of the pump is connected with the main control oil circuit; the second pump, the inlet of the second pump is connected with the oil storage part, and the outlet of the second pump can be selectively connected with the cooling lubricating oil circuit or the main control oil circuit; The shift oil circuit, the transmission shift oil circuit includes a shift pressure regulating valve, multiple shift flow control valves and multiple shift directional valves, and the shift flow control valve is connected to the main control oil circuit through the shift pressure regulating valve , at least part of the plurality of shift flow control valves is connected with the shift execution piston through the shift reversing valve. The hydraulic control system of the present invention can realize fast and smooth gear shifting through the combined control mode of the gear shifting pressure regulating valve and the gear shifting flow control valve.

Description

technical field [0001] The invention relates to the technical field of hydraulic control of vehicles, in particular to a hydraulic control system and a vehicle with the hydraulic control system. Background technique [0002] At present, automatic transmissions have been more and more widely used in the automotive industry. Due to the advantages of compact structure, good fuel economy, large torque transmission capacity, good starting performance and shifting quality, dual-clutch automatic transmission has become a research hotspot in the current international transmission field. [0003] During the combination process of the dual clutch in the wet dual clutch automatic transmission, a large amount of heat will be generated due to sliding friction. If the heat cannot be dissipated in time, it will cause the ablation of the dual clutch. Therefore, the design of the cooling and lubricating system of the dual-clutch automatic transmission directly determines the performance of ...

AI Technical Summary

Problems solved by technology

In related technologies, the dual-clutch automatic transmission mostly uses a large-displacement mechanical pump to provide flow. The mechanical pump is bulky and heavy, resulting in low efficiency of the whole box and poor fuel economy.

[0004] At the same time, the dual-clutch automatic transmission technology in related technologies only focuses on matching with traditional internal combustion engines, without considering hybrid power, and there is limited room for improvement in vehicle fuel economy

Images