PROBLEM TO BE SOLVED: To provide an erroneous detection preventing method in submergence and an erroneous detection preventing device in submergence of an electronic control device which can prevent erroneous detection of an atmospheric pressure caused by the submergence.SOLUTION: A temperature in a waterproof case 3 is measured. When the temperature in the waterproof case 3 rapidly changes, it is determined that an electronic control device 1 is submerged and an atmospheric pressure sensor 5 erroneously detects, and an average value of detection values before submergence is used as a detection value of the atmospheric pressure sensor 5.SELECTED DRAWING: Figure 2
【課題】水没による大気圧の誤検出を防ぐことができる電子制御装置の水没時誤検出防止方法及びその水没時誤検出防止装置を提供する。【解決手段】防水ケース3内の温度を測定し、その防水ケース3内の温度が急激に変化したとき、電子制御装置1が水没して大気圧センサ5が誤検出すると判定し、大気圧センサ5の検出値として水没前の検出値の平均値を用いるものである。【選択図】図2
ERRONEOUS DETECTION PREVENTING METHOD IN SUBMERGENCE AND ERRONEOUS DETECTION PREVENTING DEVICE IN SUBMERGENCE OF ELECTRONIC CONTROL DEVICE
電子制御装置の水没時誤検出防止方法及び水没時誤検出防止装置
2016-06-02
Patent
Electronic Resource
Japanese
IPC: | F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01F Messen des Volumens, des Durchflussvolumens, des Massendurchflusses oder des Füllstandes , MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL |
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