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Cooling method, cooling device and vehicle

A cooling method and vehicle technology, applied in the field of vehicles, can solve the problems of high power consumption and simple cooling method, and achieve the effects of reducing power consumption and improving cooling efficiency

Pending Publication Date: 2022-01-18
GREAT WALL MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention aims to propose a cooling method, cooling device and vehicle to solve the problems of simple cooling method and large power consumption in the cooling process of fuel cell vehicles in the prior art

Method used

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  • Cooling method, cooling device and vehicle
  • Cooling method, cooling device and vehicle
  • Cooling method, cooling device and vehicle

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Embodiment Construction

[0075] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0076] The cooling method of the embodiment of the present application includes but is not limited to being applied to a fuel cell vehicle (fuel cell vehicle such as a hydrogen fuel cell vehicle). The cooling method of the embodiment of the present application can be controlled by a vehicle control unit (PCU, Powertrain control unit) ), or by the fuel cell control unit (FCU, FC stackcontrol unit) in the vehicle, the embodiment of the present application only uses the FCU as an example for explanation, and other references can be executed.

[0077] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0078] refer to figure 1 , figure 1 It is a flow chart of the steps of a cooling method provided in the embodiment of the present application, whic...

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PUM

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Abstract

The invention provides a cooling method, a cooling device and a vehicle, and the cooling method can comprise the steps: obtaining a first fan rotating speed demand of a battery cooling loop, obtaining a second fan rotating speed demand of a motor cooling loop, and obtaining a third fan rotating speed demand of an air conditioner cooling loop, and determining the maximum fan rotating speed requirement from the first fan rotating speed demand, the second fan rotating speed demand and the third fan rotating speed demand, and controlling the fan to act according to the maximum fan rotating speed requirement so as to dissipate heat of a first radiator, a second radiator and a third radiator. When the vehicle comprises a battery cooling loop, a motor cooling loop and an air conditioner cooling loop, the fan in the vehicle can be controlled to rotate according to the maximum fan rotating speed requirement, meanwhile, the battery cooling loop, the motor cooling loop and the air conditioner cooling loop are cooled, the power consumption in the cooling process can be reduced, and the cooling efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a cooling method, a cooling device and a vehicle. Background technique [0002] Among new energy vehicles, fuel cell vehicles have the characteristics of high energy density, long driving range, and environmental friendliness. In a fuel cell vehicle, the operation of the fuel cell will generate a large amount of heat. It is necessary to use a high-power cooling device to dissipate heat from the fuel cell to reduce the temperature of the fuel cell and maintain the stable operation of the fuel cell. [0003] At present, in the cooling of fuel cell vehicles, the cooling method is simple and the power consumption is relatively large. Contents of the invention [0004] In view of this, the present invention aims to provide a cooling method, a cooling device and a vehicle to solve the problems of simple cooling method and high power consumption in the cooling process of fuel cell v...

Claims

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Application Information

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IPC IPC(8): B60L58/33B60L58/34B60K11/02B60K11/06B60H1/32
CPCB60L58/33B60L58/34B60K11/02B60K11/06B60H1/3204Y02T90/40
Inventor 李雪静王冠范晓雨刘晓光孙明胡康原瑞
Owner GREAT WALL MOTOR CO LTD