To efficiently detect hydrogen leaks while reducing the number of hydrogen sensors.SOLUTION: The hydrogen leak detection mechanism for detecting hydrogen leaks in a fuel buttery system includes: an outer shell that houses a hydrogen distribution part, which is at least a part of a fuel battery system; a plurality of hydrogen sensors; and a porous sheet that is arranged so as to partition at least a part of the space inside the outer shell and allow hydrogen to permeate in the thickness direction. In the outer shell, the hydrogen flow part is located in the area below the porous sheet, and the hydrogen sensors are placed in an area above the porous sheet.SELECTED DRAWING: Figure 1
【課題】水素センサの数を抑えつつ、水素漏れを効率良く検出する。【解決手段】燃料電池システムの水素漏れを検知する水素漏れ検知機構は、燃料電池システムの少なくとも一部である水素流通部を収納する外殻部と、水素センサと、外殻部内の空間の少なくとも一部を区画するように配置されて水素を厚み方向に透過させる多孔質シートと、を備え、外殻部内において、多孔質シートよりも下方の領域に水素流通部が配置されると共に、多孔質シートよりも上方の領域に水素センサが配置される。【選択図】図1
HYDROGEN LEAK DETECTION MECHANISM
水素漏れ検知機構
2021-11-04
Patent
Electronic Resource
Japanese
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Hydrogen Leak Detection Sensor Database
NTIS | 2010
|Automated Hydrogen Gas Leak Detection System
NTRS | 1995