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Automobile fuel cell cold start control system and method

A fuel cell and control system technology, applied in battery/fuel cell control devices, fuel cells, fuel cell additives, etc., can solve problems such as low heating efficiency and long warm-up time

Active Publication Date: 2021-04-20
CHINA FIRST AUTOMOBILE
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a cold start control system and method for automotive fuel cells to solve the problems of low heating efficiency and long warm-up time when only heating by PTC

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  • Automobile fuel cell cold start control system and method

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Embodiment Construction

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0040] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two ...

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Abstract

The invention belongs to the technical field of vehicle battery heat dissipation, and discloses an automobile fuel cell cold start control system and method, and the system comprises an air compressor, an intercooler, a humidifier, a fuel cell stack, a water pump, a three-way control valve, a heater, a radiator, a throttle valve, a first valve, a second valve, a third valve, and a controller. An air heating path is formed by the air compressor, the intercooler, the humidifier, the fuel cell stack, the humidifier and the throttle valve; the water pump, three-way control valve, the heater, the intercooler, the second valve, the fuel cell stack, and the water pump form a cooling liquid heating loop; the water pump, the three-way valve, the radiator, the third valve, the fuel cell stack, and the water pump forms a first cooling liquid radiating loop; the water pump, the three-way control valve, the radiator, the first valve, and the water pump form a second cooling liquid radiating loop. Under a low-temperature condition, the fuel cell can be rapidly started under the low-temperature condition; under the condition of high temperature, the intercooler and the fuel cell stack are cooled by one radiator.

Description

technical field [0001] The invention relates to the technical field of vehicle battery heat dissipation, in particular to a cold start control system and method for an automotive fuel cell. Background technique [0002] Fuel cell vehicles are developing rapidly, but under low temperature conditions, it is difficult for fuel cells to start, which seriously restricts the development of fuel cells. In the prior art, only PTC is used to heat the coolant of the fuel cell assembly to increase the temperature of the coolant, and the heating efficiency is low and the warm-up time is long. Contents of the invention [0003] The object of the present invention is to provide a cold start control system and method for an automobile fuel cell to solve the problems of low heating efficiency and long warm-up time when heating only by PTC. [0004] For reaching this purpose, the present invention adopts following technical scheme: [0005] On the one hand, the present invention provides...

Claims

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Application Information

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IPC IPC(8): H01M8/04014H01M8/04029H01M8/04223H01M8/04225H01M8/04302H01M8/0432B60L58/31B60L58/33B60L58/34
CPCH01M8/04014H01M8/04029H01M8/04223H01M8/04302H01M8/0432H01M8/04225B60L58/31B60L58/33B60L58/34
Inventor 马秋玉赵洪辉鲍金成郭冬来赵子亮黄兴秦晓芦岩李鑫宇曲禄成
Owner CHINA FIRST AUTOMOBILE
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