Mechanical-electric hybrid energy change device and control method thereof

Abstract

The invention discloses a mechanical- electric hybrid energy change device and a control method thereof. The device mainly comprises a planet line (2), a clutch structure and two motors, wherein an input end of a sun wheel is connected with an output end of an engine through the clutch structure, a gear ring is connected with a rotating shaft of the first motor, a planet carrier is connected with a rotating shaft of the second motor, and the rotating shaft of the second motor is a power output end of the mechanical-electric hybrid energy change device. According to the control method disclosed by the invention, through control of the motors under various working conditions, the normal operation of vehicles under various working conditions is realized. The device disclosed by the invention is simple in structure and lower in cost; the comprehensive high-efficient output of mechanical energy and electric energy can be realized, the braking energy of the vehicles can be recycled, the power performance of the vehicles is greatly improved, and at the same time, the economic performance and the environmental protection performance of the vehicles while running are improved; a goal of stepless speed change can be realized; in addition, the requirement of a special function that the vehicles run purely electrically can be realized.

Description

technical field [0001] The invention relates to a device integrating mechanical energy and electric energy and a control method thereof, which can output and drive a vehicle with high efficiency after integrating the mechanical energy and electric energy, and realize the automatic stepless speed regulation function of the vehicle, and can also reduce the speed of the vehicle during deceleration or braking. The conversion of mechanical energy into electrical energy is recovered and stored for reuse, which belongs to a high-efficiency transmission device. Background technique [0002] The use of traditional vehicles has caused energy shortages and environmental pollution problems. Electric vehicles can use non-petroleum energy to replace part or all of petroleum energy as an energy source, which can greatly alleviate the tension in petroleum energy. At the same time, it can also effectively solve the problem of traditional vehicles using petroleum energy. serious environmental...

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Problems solved by technology

[0004] The invention is an electromechanical hybrid energy conversion device and its control method, which solves the problem of complex and high cost of the existing hybrid hybrid power structure, and can realize comprehensive and efficient output of mechanical energy and electric energy; the engine always works in an economical working environment. and can realize the function of automatic stepless speed regulation; and the function of braking energy recovery and reuse; the performance parameters of the power components are less demanding, and the energy transfer efficiency is higher

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