Hill starting system and use method thereof

Abstract

The invention provides a hill starting system. The hill starting system comprises a two-position three-way electromagnetic valve, a load sensing valve, an ABS valve, a gearbox controller and a hill starting switch. An air inlet of the two-position three-way electromagnetic valve is sequentially communicated with an air outlet of an air compressor through a foot valve, an air cylinder, a four-protection valve and a drier, an exhaust port of the two-position three-way electromagnetic valve is communicated with an air inlet of the ABS valve through the load sensing valve, the two-position three-way electromagnetic valve and the ABS valve are in signal connection with a hill starting controller, and the gearbox controller is in signal connection with the hill starting controller, the hill starting switch and an engine. During use, firstly the hill starting switch is pressed, a manual valve is switched off, an accelerator is trodden, the hill starting controller automatically controls the engagement depth of a clutch and coordinates the output torque of the engine according to hill resistance, currently needing to be overcome, obtained through calculation, and a vehicle is made to be started smoothly. By means of the design, the structure is simplified, the starting response speed is increased, and integrated control of a brake, the clutch and the engine is achieved.

Description

technical field [0001] The invention belongs to the technical field of hill start assistance for automobiles, and in particular relates to a hill start system and a use method thereof, which are suitable for simplifying the structure, improving the start response speed, and realizing integrated control of brakes, clutches and engines. Background technique [0002] With the rapid development of the transmission field, automatic transmissions have begun to be applied to commercial vehicles due to their advantages of high transmission efficiency, compact structure, low cost and convenient operation, which can reduce the driver's operating intensity and improve the economy of commercial vehicles and comfort. However, due to the complex driving environment in China, especially in the southwestern region, there are often uphill and downhill switching driving scenarios, which puts forward higher requirements on the driving experience and ability of drivers. [0003] At present, co...

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the problems of complex structure and long start response time in the existing structure, and provide a slope start system with simple structure and short start response time and its use method

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