Fuel-cell hydrogen supply system pipeline quality detecting device and method

Abstract

The invention provides a fuel-cell hydrogen supply system pipeline quality detecting device. The device comprises a gas supply module, a gas conveying module, a travel switch and a detecting module which are in pipeline connection in sequence. The detecting module is connected with the gas conveying module. The gas supply module comprises a high-pressure hydrogen storage tank used for providing agas source, and a cylinder valve. The gas conveying module comprises pressure reducing valves and a main electromagnetic valve which are connected by means of a hydrogen supply pipeline. The detectingmodule comprises a pressure detecting sensor connected to the hydrogen supply pipeline, a galvanic pile controller in bidirectional connection with the pressure sensor, and an upper computer connected with the galvanic pile controller. According to the fuel-cell hydrogen supply system pipeline quality detecting device, a full set of complete control procedures and acquisition means is adopted, safety data of a hydrogen supply system are acquired easily and fast, simple and fast batch detection of various part products in energy engineering is achieved, the safety of the hydrogen supply systemis guaranteed, and furthermore, reliable operation of the parts including the electromagnetic valve, the pressure reducing valves and the like is guaranteed.

Description

technical field [0001] The invention belongs to the field of energy supply control, and in particular relates to a pipeline quality detection device and method for a fuel cell hydrogen supply system. Background technique [0002] At present, the hydrogen used in the fuel cell system of automobiles is stored in high-pressure hydrogen storage bottles, and the hydrogen supply and cut-off are performed by quickly opening or disconnecting the electromagnetic valve, so as to ensure that the fuel cell engine can work quickly and efficiently. However, it often occurs that the solenoid valve is not fully closed or fully opened, the pressure reducing valve cannot stabilize the pressure, and hydrogen leaks, etc., which lead to potential safety risks in the entire fuel cell system. [0003] At present, there is no reasonable method to detect the state of the electromagnetic valve for opening and disconnecting hydrogen gas, the stability of the pressure reducing valve, etc. in the hydrog...

AI Technical Summary

Problems solved by technology

At this stage, the judgment of the integrity of the hydrogen supply system is mainly through the means of maintaining pressure. This method is mainly realized by opening the relevant control valve to fill the entire pipeline with hydrogen and waiting for 24 hours. This detection method requires a lot of time to wait. And it is impossible to detect the complete opening and closing state of the electromagnetic valve and the stability of the pressure reducing valve. It can only be simply judged that the valve can be opened or closed, and the pressure reducing valve can be ventilated, and the performance cannot be accurately judged.

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