A vehicle power unit (100) charges a storage battery (21) by supplying charging power from a power conversion circuit (1a) via a connector (3) connected to an inlet (22) of an electric vehicle (101). A stress detector (4) detects the force applied to a junction portion (5) according to the tensile strength of an electric cable (2). When the detected force is smaller than a threshold (K1), a control unit (1b) initiates the output of charging power from the power conversion circuit (1a). When the force detected during the output of the charging power from the power conversion circuit (1a) is equal to or greater than the threshold (K1), the control unit issues a warning through a display unit (1d) and a sound output unit (1e). When the force detected during the output of the charging power from the power conversion circuit (1a) is equal to or greater than a threshold (K2) (> K1), the control unit suspends the output of the charging power from the power conversion circuit (1a).
Vehicle power unit
2015-11-18
Patent
Elektronische Ressource
Englisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 / H01R Elektrisch leitende Verbindungen , ELECTRICALLY-CONDUCTIVE CONNECTIONS |