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Thermal management system and thermal management method for fuel cell vehicle

A thermal management system and fuel cell technology, applied in the field of thermal management systems, can solve the problems of complex thermal management of fuel cells, and achieve the effects of saving interior space, improving thermal management level, and reducing heat dissipation

Active Publication Date: 2021-04-09
ZHENGZHOU YUTONG BUS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of this application is to provide a thermal management system and thermal management method for fuel cell vehicles to solve the more complicated problem of fuel cell thermal management

Method used

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  • Thermal management system and thermal management method for fuel cell vehicle

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Embodiment Construction

[0020] A fuel cell vehicle thermal management system, such as figure 1 As shown, it mainly includes a fuel cell system, a power battery system, a motor radiator, a heater, a PTC heater, and a centralized radiator A and a centralized heat exchanger B.

[0021] The electric energy generated by the fuel cell system and the power battery system is supplied to air conditioners, defrosters and other equipment.

[0022] The fuel cell system includes: fuel cell stack, fuel cell air compressor, fuel cell intercooler, and fuel cell DC / DC.

[0023] The power battery system includes: power battery and power battery radiator, etc.

[0024] It also includes a PTC heater, and the vehicle power supply supplies power to the PTC heater.

[0025] The main concept of the present invention is to integrate these thermal management devices, classify and centrally manage heat dissipation and heating requirements according to temperature characteristics, arrange heat dissipation and heating requirem...

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Abstract

The invention relates to a thermal management system and a thermal management method for a fuel cell vehicle. The thermal management system comprises: a centralized radiator A and a centralized heat exchanger B which directly perform heat exchange, a first pipeline which is communicated with the centralized radiator A and is a radiating pipeline of the fuel cell stack; a second pipeline which is communicated with the centralized heat exchanger B and comprises a heat dissipation pipeline of a fuel cell air compressor, a heat dissipation pipeline of a fuel cell intercooler, a heat dissipation pipeline of a fuel cell DC / DC, a heat dissipation pipeline of a motor radiator, a heat dissipation pipeline of a power cell radiator and a heat dissipation pipeline of a heater; and an electric heating pipeline which passes through a PTC heater. Centralized heat dissipation / heat supply is adopted, and the space in a vehicle can be saved; and efficient utilization of heat and cold is achieved, the heat dissipation efficiency is improved, the heat management level is improved, and the energy consumption of the whole vehicle is reduced.

Description

technical field [0001] The invention relates to a thermal management system and a thermal management method of a fuel cell vehicle. Background technique [0002] The power system of fuel cell vehicles has many components and complex structures, and the thermal management requirements are relatively complex. During the actual operation of fuel cell vehicles, the components that require heat dissipation mainly include fuel cell stacks, fuel cell air compressors, fuel cell intercoolers, fuel cell DC / DC, power battery systems, drive motors, air conditioners, etc. , the heating involved mainly includes winter passenger cabin heating, winter power battery insulation, fuel cell low-temperature start-up warm-up, defroster, etc. Fuel cell vehicles have more heat dissipation and heating needs, and the differences are large, lacking comprehensive thermal management . Contents of the invention [0003] The purpose of the present application is to provide a thermal management system ...

Claims

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Application Information

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IPC IPC(8): H01M8/04007B60L58/32
CPCH01M8/04007H01M8/04067H01M8/04074B60L58/32Y02T90/40Y02E60/50
Inventor 李高鹏李进曾升张龙海司耀辉孟德水徐贤亚韩守亮
Owner ZHENGZHOU YUTONG BUS CO LTD
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