Fuel cell heat dissipation method, device and system

Abstract

The embodiment of the invention provides a fuel cell heat dissipation method, device and system. Working parameters and heat dissipation parameters of the fuel cell can be obtained firstly. Thirdly, calculating a wind power heat dissipation parameter according to the working parameter and the heat dissipation parameter of the fuel cell, and calculating a liquid heat dissipation parameter according to the heat dissipation parameter of the fuel cell; wherein the wind power heat dissipation parameter represents the heat dissipation amount of the gas heat dissipation system for heat dissipation of the liquid heat dissipation system, and the liquid heat dissipation parameter represents the heat dissipation amount of the liquid heat dissipation system for heat dissipation of the fuel cell. And then, controlling the gas heat dissipation system to dissipate heat of the liquid heat dissipation system according to the wind power heat dissipation parameters, and controlling liquid circulation to dissipate heat of the fuel cell according to the liquid heat dissipation parameters. Therefore, the working states of the gas heat dissipation system and the liquid heat dissipation system can be adjusted in real time, certain environment adaptability is achieved, and heat dissipation can be better conducted on the fuel cell.

Description

technical field [0001] The present invention relates to the technical field of fuel cells, and in particular, to a fuel cell heat dissipation method, device and system. Background technique [0002] With the pollution of the environment and the consumption of fossil energy, the development of clean energy has received more and more attention. The fuel cell is an electrochemical device that directly converts chemical energy into electrical energy, and its by-products are only water and heat. , Fuel cell technology has received extensive attention due to its high energy conversion efficiency and no pollution. In particular, in the fields of automobiles, fuel cell technology has been rapidly developed. [0003] For a fuel cell, its temperature is very important to the performance and life of the fuel cell. Too high temperature will damage the internal materials of the fuel cell, and too low temperature will reduce the performance output of the fuel cell. Therefore, an effect...

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Problems solved by technology

[0004] However, the traditional fuel cell temperature control methods are mostly controlled according to the temperature of the coolant flowing out of the fuel cell system, which has a certain control hysteresis and cannot control the temperature of the fuel cell well.

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