Hybrid power vehicle and cooling system and method thereof

A hybrid vehicle and cooling system technology, which is applied in the layout of power plant cooling combined, electric vehicles, vehicle energy storage, etc., can solve the problems of difficult design, small layout space, unfavorable layout, etc. Small space requirement, lower temperature effect

Inactive Publication Date: 2018-04-17
GUIZHOU GEELY ENGINE CO LTD +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] Although the range extender engine solves the problem of the short cruising range of electric vehicles, due to the increase of the engine, it is necessary to increase the cooling system to cool it.
For pure electric vehicles, the cooling module itself is more complicated, including the air conditioning system, motor cooling circuit, and battery cooling system, resulting in a large front-end cooling module and crowded space, and there is not enough space for the range extender e

Method used

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  • Hybrid power vehicle and cooling system and method thereof

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Embodiment Construction

[0022] The present invention will be described in detail below through specific non-limiting examples, so that the advantages and features of the present invention can be more easily understood by those skilled in the art.

[0023] figure 1 Shown is a hybrid vehicle cooling system according to an embodiment of the present invention. In this embodiment, the hybrid vehicle includes an engine 3 and a drive motor 1 . In this embodiment, the hybrid vehicle has a range extension, that is, a generator 10 is further provided, and the range extender engine 3 drives the generator 10 to generate electricity when the battery energy is insufficient. In addition, this embodiment is especially suitable for a small range extender engine, the thermal load of the range extender engine cannot be too high, and generally it is an engine with a power below 25kw. For such an engine, the cooling system of this embodiment can easily meet its heat dissipation requirements. Of course, the cooling sys...

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Abstract

The invention discloses a cooling system of the hybrid power vehicle. The hybrid power vehicle comprises an engine and a driving motor. The cooling system comprises an engine cooling circuit for cooling the engine and a motor cooling circuit for cooling the driving motor. A heat exchanger is connected between the engine cooling circuit and the motor cooling circuit. The heat generated by the engine is transmitted through the engine cooling circuit to the motor cooling circuit by means of the heat exchanger. The invention further discloses the hybrid power vehicle and a cooling method of the hybrid power vehicle. Compared with the prior art, the heat generated by the engine is transmitted through the engine cooling circuit to the motor cooling circuit, the temperature of the engine system is lowered, a cooler can be shared, the space requirement for a front end module is low, the layout position of the heat exchanger is flexible, and cost is lower compared with a cooler.

Description

technical field [0001] The present invention relates to the field of hybrid vehicles, in particular to a hybrid vehicle and a cooling system and method thereof. Background technique [0002] At present, with the continuous tightening of national fuel consumption and emission regulations, more and more OEMs are devoted to the development of electric vehicles. For electric vehicles, their short cruising range has become one of the shortcomings of electric vehicles. For this reason, small range extenders (small engines) have appeared to extend the cruising range of electric vehicles. The range extender engine has the advantages of small size, compact structure, low power and easy installation. When the battery energy is insufficient, the engine works to generate electricity, thereby extending the cruising range of the car, and has developed into one of the branches of hybrid vehicles. [0003] Although the range extender engine solves the problem of the short cruising range of...

Claims

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Application Information

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IPC IPC(8): B60K11/02B60K11/04B60L11/14B60L50/16
CPCB60K11/02B60K11/04B60L50/16Y02T10/7072
Inventor 胡攀李连豹韦虹李军王瑞平
Owner GUIZHOU GEELY ENGINE CO LTD
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