Cooling and heating dual-purpose intercooler, fuel cell system and control method

Abstract

The invention discloses a cooling and heating dual-purpose intercooler and a fuel cell system using the same. The intercooler comprises a shell and a cover plate. A cavity is formed in the shell, thecover plate is installed at a cavity opening of the cavity, a heating device and a heat exchange device are installed in the cavity, and cooling liquid enters the shell through a cooling liquid inlet,exchanges heat with the heating device and the heat exchange device and then flows out of a cooling liquid outlet. Air enters the shell from an air inlet, exchanges heat with the heat exchange deviceand then is discharged from an air outlet. The shell is also provided with a plurality of temperature sensors, and the plurality of temperature sensors are used for detecting the temperature of air and / or cooling liquid. The temperature of air in an air supply system is accurately adjusted, cold air in an air path can be rapidly and accurately heated in a low-temperature state, and high-temperature air in the air path can be rapidly and accurately cooled in a high-temperature state. The extra power consumption of operation is small, the performance is improved, and energy is saved.

Description

Technical field: [0001] The invention relates to a dual-purpose intercooler for cooling and heating, a fuel cell system and a control method. Background technique: [0002] The intercooler of the existing fuel cell is a heat exchanger, which is a device that can make two or more fluids not directly contact, but heat or energy can be transferred to each other. The working principle of the fuel cell system is: hydrogen is sent to the anode plate of the fuel cell, and oxygen is sent to the cathode plate of the fuel cell. After the catalytic reaction of the catalyst, an electron in the hydrogen atom is separated, and the electron cannot pass through the proton exchange membrane. circuit, to the cathode plate of the fuel cell, thereby generating current in the external circuit. The hydrogen ions and oxygen atoms that pass through the proton exchange membrane recombine into water. [0003] Since the oxygen supplied to the cathode plate is directly obtained from the air, as long ...

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Problems solved by technology

[0004] An object of the present invention is to provide a dual-purpose cooling and heating intercooler and fuel cell system to solve the problem of rapid and accurate cooling and heating of the air entering the fuel cell system under high temperature and low temperature conditions, and to meet the normal start-up of the fuel cell system and operation requirements, improve the accuracy and reliability of the entire system, save energy and reduce costs

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