Intelligent power distribution system and control method

Abstract

The invention discloses an intelligent power distribution system and a control method. The system comprises a main valve, an electric proportional overflow valve, a liquid control valve, a clutch, anenergy accumulator, a controller, a pressure reducing valve, a torque converter, a brake device, a brake valve, a hydraulic pump and an oil tank. The brake valve is connected with a brake pedal and connected with the controller through an angle sensor. The controller is connected with the electric control end of the electric proportional overflow valve. When the brake pedal does not exceeds a system preset angle, the engagement pressure of the clutch is reduced along with the increase of the vehicle braking intensity, in the meantime, the brake device does not conduct braking, when a whole vehicle is in a downhill or low-speed working condition, a driver slightly steps on a brake, the clutch can be in a partially-engaged state through the controller, the power consumed by traveling drive is obviously reduced, more power of an engine is distributed to the hydraulic pump through the torque converter, and the work efficiency of the hydraulic pump is improved. Part of power of the vehiclecan be output, and the purpose that the drive power and the hydraulic power are reasonably distributed in the vehicle united operation process is achieved as well.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to an intelligent power distribution system and a control method. Background technique [0002] When the engineering vehicle is driving on a flat road, when the driver steps on the brake, the power of the vehicle will be completely cut off immediately, and the braking will be realized immediately, so as to protect the brake and transmission device of the vehicle. When going downhill, the user has just stepped on the brake, and the power is completely cut off at this time, and the brake device has not been triggered, so the car often rolls, which is more dangerous for engineering vehicles with a larger tonnage. Furthermore, due to the particularity of the work of engineering vehicles, on the one hand, the driver often needs to brake and does not need to cut off the power to meet the low-speed control requirements; on the other hand, some working devices of engineering v...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the deficiencies in the prior art, the present invention provides an intelligent power distribution system and control method, which solves the problem of efficient distribution of drive and hydraulic power when the existing engineering vehicles are running at low speeds

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