PROBLEM TO BE SOLVED: To provide a circuit abnormality detection device of a vehicle which discriminates and can detect circuit abnormality such as power source leakage, earth leakage and disconnection, between circuits having different voltages of a vehicle.SOLUTION: A circuit abnormality detection device of a vehicle includes: a light-emitting element which is provided on a high voltage circuit side and outputs emission light according to a voltage of the high voltage circuit; a light-receiving element which is provided on a low voltage circuit side, has a frequency band corresponding to the light-emitting element, and receives the emission output from the light-emitting element; and classification means which classifies the circuit abnormality into a plurality of circuit abnormalities including power source leakage, earth leakage and disconnection based on the emission output received by the light-receiving element.SELECTED DRAWING: Figure 1
【課題】車両の電圧が異なる回路間において、天絡、地絡、断線等の回路異常を区別して検知可能な車両の回路異常検知装置を提供する。【解決手段】車両の回路異常検知装置は、高電圧回路側に設けられ、前記高電圧回路の電圧に応じて発光出力する発光素子と、低電圧回路側に設けられ、発光素子に対応する周波数帯域を備え、発光素子からの発光出力を受光する受光素子と、受光素子により受光された発光出力に基づき、回路異常を地絡、天絡、断線を含む複数の回路異常に分類する分類手段と、を含む。【選択図】図1
CIRCUIT ABNORMALITY DETECTION DEVICE OF VEHICLE
車両の回路異常検知装置
2018-05-24
Patent
Electronic Resource
Japanese
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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