Parallel hybrid drive system

A hybrid power and drive system technology, applied in the direction of hybrid vehicles, power devices, air pressure power devices, etc., can solve problems such as poor working stability, insufficient power, unreasonable layout, etc., and achieve small axial size and strong power , The effect of improving fuel economy

Inactive Publication Date: 2011-03-23
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above scheme has improved the parallel hybrid system to a certain extent, but there are still technical problems such as insufficient power, complex overall structure, insufficient compactness, unreasonable layout, high energy loss, and poor working stability.

Method used

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Embodiment Construction

[0019] Such as figure 1 As shown, the parallel hybrid drive system includes an engine 1 , a power battery 2 and a drive motor 3 connected to the power battery 2 . The power battery 2 is also connected with a starter motor 4, and the starter motor 4 is connected with the crankshaft front end 11 of the engine 1 through the transmission mechanism 5 and can drive the crankshaft front end 11 of the engine 1 to rotate. The crankshaft end 12 of the engine 1 is connected with an automatic transmission 6 , and the output shaft 61 of the automatic transmission 6 is fixed with a power output wheel 62 , and the power output wheel 62 is connected with the automobile axle 7 . The driving motor 3 is connected to the power output wheel 62, the starting motor 4 and the driving motor 3 are connected to the power storage battery 2 and both the starting motor 4 and the driving motor 3 can convert the electric energy of the power storage battery 2 into mechanical energy output or convert the mecha...

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Abstract

The invention discloses a parallel hybrid drive system, which belongs to the technical field of automobiles, and solves the problems of poor dynamic stability, complicated structure, great energy losses and the like existing in current parallel hybrid drive systems. The parallel hybrid drive system comprises an engine, a power battery, and a drive motor connected to the power battery, wherein the power battery is connected with a starting motor, the starting motor is connected with the front end of a bent axle of the engine by a drive mechanism and can drive the front end of the bent axle of the engine to rotate, and the tail end of the bent axle of the engine is connected with an automatic transmission; a power output wheel is fixed on the output shaft of the automatic transmission, and connected with an automobile axle and the drive motor; and both the starting motor and the drive motor can transform electric energies of the power battery into mechanical energies and then output the mechanical energies or transform mechanical energies into electric energies for charging the power battery. The parallel hybrid drive system has the advantages of simple structure, high operating stability, low cost and the like.

Description

technical field [0001] The invention belongs to the technical field of automobiles and relates to automobile power systems, in particular to a parallel hybrid drive system. Background technique [0002] The parallel hybrid power system mainly includes the engine drive device and the electric drive device. Since the vehicle drive device has at least two power sources combined, the engine can be operated or separated, so that the power output of the drive device can adapt to the external load. For the current parallel hybrid drive device, generally due to the addition of the ISG motor, the axial dimension is relatively large, and the requirements for the layout of the vehicle are relatively high. In addition, more components are required for the strong hybrid, which makes the layout difficult and the cost is high. For the parallel hybrid system, people have carried out long-term exploration and put forward various improvement schemes. [0003] For example, the Chinese patent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/48
CPCY02T10/6221Y02T10/62
Inventor 邱鹏吴旭峰李传海由毅丁勇李书福杨健赵福全
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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