Series-parallel hybrid power tractor power system and control method thereof

A technology of hybrid power and power system, applied in the direction of hybrid power vehicles, motor vehicles, power plants, etc., can solve the problems that are not suitable for the operation mode requirements of hybrid power tractors, and achieve convenient control, unique power configuration, and favorable counterweight balance Effect

Inactive Publication Date: 2015-01-21
HENAN UNIV OF SCI & TECH
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  • Abstract
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Problems solved by technology

[0005] The purpose of the present invention is to provide a hybrid tractor power system and its control method, which can achieve good fuel economy of the tractor while satisfying the traction force, traction power and tracti

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  • Series-parallel hybrid power tractor power system and control method thereof
  • Series-parallel hybrid power tractor power system and control method thereof

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0032] A series hybrid tractor power system, including an engine, a first motor, a second motor and a planetary gear mechanism, the planetary gear mechanism is provided with three connection ends for power input and output, the output shaft of the engine is connected to the first motor, and the second The output shaft of a motor is connected to the first connection end of the planetary gear mechanism, the second motor is connected to the second connection end of the planetary gear mechanism, and the third connection end of the planetary gear mechanism is used to connect the driving axle. The connecting ends are coaxial; the hybrid tractor power system of the present invention is different from the conventional hybrid power system of automobiles, and most of the hybrid power systems used in automobiles are: the engine and the generator are directly mechanically...

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Abstract

The invention relates to a series-parallel hybrid power tractor power system and a control method of the power system. The power system comprises an engine, a first motor, a second motor and a planetary gear mechanism. The planetary gear mechanism is provided with three connecting ends for inputting and outputting power; an output shaft of the engine is connected with the first motor; an output shaft of the first motor is connected with the first connecting end of the planetary gear mechanism; the second motor is connected with the second connecting end of the planetary gear mechanism; the third connecting end of the planetary gear mechanism is used for being connected with a driving axle; the first connecting end and the third connecting end are coaxial. The driving system is unique in power configuration, and according to the control method, the working state is determined by detecting running parameters of a tractor; according to the working state, the driving system is controlled, and the series-parallel hybrid power tractor power system meets various working mode requirements of a hybrid power tractor

Description

technical field [0001] The invention relates to a power system of a parallel hybrid tractor and a control method thereof. Background technique [0002] At present, the number of traditional tractors is increasing, and the air pollution and oil consumption caused by them are becoming more and more serious. They have become an important part of environmental pollution and energy consumption, and should be paid enough attention to; Due to the speed requirements, different operating modes of tractors have higher requirements on traction force and traction power; hybrid technology is becoming more and more common and mature in the application of automobiles. Due to its own advantages of energy saving and environmental protection, hybrid power can be researched and applied to tractors , but automotive hybrid system technology is not suitable for tractor power systems, it is necessary to design a hybrid technology suitable for tractor working conditions; The advantages of the powe...

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Application Information

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IPC IPC(8): B60K6/44B60K6/365
CPCY02T10/62
Inventor 周志立时辉徐立友王春光侯海源刘孟楠王粉粉方树平
Owner HENAN UNIV OF SCI & TECH
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