FUEL BATTERY SYSTEM

PROBLEM TO BE SOLVED: To provide a fuel battery system capable of surely detecting occurrence of reforming water supply abnormality in which reforming water is not supplied to a pump for supplying reforming water.SOLUTION: A fuel cell system 1 includes a plunger type reforming water pump 40 for supp...

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Bibliographische Detailangaben
Hauptverfasser: OGAWARA HIROKI, TANIGUCHI HIROYA, KAWAKAMI RYUICHI, MATSUZAKI KOZO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a fuel battery system capable of surely detecting occurrence of reforming water supply abnormality in which reforming water is not supplied to a pump for supplying reforming water.SOLUTION: A fuel cell system 1 includes a plunger type reforming water pump 40 for supplying reforming water to an evaporating unit 32, and a vibration detecting device 50 for detecting vibration of the reforming water pump 40 which occurs during the reciprocating motion of a plunger 44. A control device 15 of the fuel battery system 1 includes an abnormality determination unit (steps S110 and 112) for determining occurrence of a reforming water supply abnormality in which the reforming water is not supplied to the reforming water pump 40 when a first amplitude A1 of a moving vibration Vm detected by the vibration detecting device 50 is not less than a first determination value ThA1 within a first time Tm1 in which the plunger 44 is moving from a start time of current supply to a coil 43 until a collision time at which the plunger 44 collides with a first contact portion 42a3.SELECTED DRAWING: Figure 5 【課題】改質水を供給するポンプに改質水が供給されない改質水供給異常の発生を確実に検知できる燃料電池システムの提供をすることを目的とする。【解決手段】燃料電池システム1は、改質水を蒸発部32に供給するプランジャ式の改質水ポンプ40と、プランジャ44の往復運動の際に生じる改質水ポンプ40の振動を検出する振動検出装置50と、を備えている。燃料電池システム1の制御装置15は、コイル43への通電開始時点からプランジャ44が第一接触部42a3に衝突する衝突時点までのプランジャ44が移動中である第一時間Tm1内において、振動検出装置50によって検出された移動振動Vmの第一振幅A1が第一判定値ThA1以上である場合、改質水ポンプ40に改質水が供給されない改質水供給異常が発生したと判定する異常判定部(ステップS110,112)を備えている。【選択図】 図5