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Hybrid power system based on engine and motor and power output method thereof

A technology of hybrid power system and power output, which is applied in the field of power system, can solve the problems of large shifting influence, poor economy, power interruption, etc., and achieve the effect of good economy and improved economy

Pending Publication Date: 2017-05-31
SHAANXI FAST GEAR CO +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the traditional parallel hybrid power system at home and abroad is to arrange the motor behind the clutch, and the motor shaft is directly used as the input shaft of the transmission, so that when the gear is shifted, power interruption will occur; at the same time, the AMT transmission is adopted. At this time, due to the moment of inertia of the motor shaft, it has a great influence on the gear shift; in addition, when the engine and the motor work at the same time, because the two rotate at the same speed, they cannot run independently in their respective high-efficiency ranges, so the economy is poor

Method used

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  • Hybrid power system based on engine and motor and power output method thereof

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Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0025] see figure 1 , the hybrid system of the present invention includes a mechanical power unit and an electric power unit combined by a power coupling device, and the power coupling device is connected to a mechanical transmission for power output; the mechanical power unit is an engine, the mechanical transmission is a transmission, and the transmission input shaft 3 The clutch 1 is connected to the engine 2; the input shaft gear fixedly connected to the transmission input shaft 3 is in constant mesh with the countershaft drive gear fixedly connected to the countershaft; several countershaft gears are fixed on the countershaft, and the countershaft gear The position gear is constantly meshed with the output shaft gear gear of the empty sleeve on the transmission output shaft 5, and the output shaft gear gear of the empty sleeve on the transmission output ...

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Abstract

Provided is a hybrid power system based on an engine and a motor and a power output method thereof. The hybrid power system comprises the engine connected to a clutch, the clutch is connected to a transmission input shaft, the transmission input shaft is connected to a transmission output shaft through a synchronizer and a power coupler, and the transmission output shaft is sleeved with a motor hollow shaft of the motor in a hollow mode; a middle shaft is arranged on a by-pass of the synchronizer and the power coupler, and the middle shaft can transfer power to the transmission output shaft. The hybrid power output method is controlled according to a pure engine mode, a motor assisted mode, a pure motor mode and a hybrid power mode respectively, the problem of power interruption during gear shift is solved, the motor and the transmission work mutually independently, the work efficiency is improved, the input torque and the range of speed are very big, and the hybrid power system based on the engine and the motor can adapt to complicated working condition.

Description

technical field [0001] The invention relates to a power system, in particular to a hybrid power system based on an engine and a motor and a power output method thereof. Background technique [0002] At present, the traditional parallel hybrid power system at home and abroad is to arrange the motor behind the clutch, and the motor shaft is directly used as the input shaft of the transmission, so that when the gear is shifted, power interruption will occur; at the same time, the AMT transmission is adopted. At this time, due to the moment of inertia of the motor shaft, it has a greater impact on gear shifting; in addition, when the engine and the motor work at the same time, because the two rotate at the same speed, they cannot run independently in their respective high-efficiency ranges, so the economy is poor. Contents of the invention [0003] The object of the present invention is to solve the above-mentioned problems in the prior art and provide a hybrid power system ba...

Claims

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Application Information

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IPC IPC(8): B60K6/36B60K6/48B60K6/50
CPCB60K6/36B60K6/48B60K6/50B60K2006/4808Y02T10/62
Inventor 白新龙
Owner SHAANXI FAST GEAR CO
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