Vehicle safety device designed to cut off a main electric circuit (1), comprising: - an autonomous triggering element (20) designed to be part of said main circuit, and - a pyrotechnic circuit breaker unit (40) comprising: - at least one electrical conductor (5) connected to the autonomous triggering element, and - a severing device (30) which is configured to sever the electrical conductor and comprises a first ignition member (31) which is designed to actuate the severing device and is electrically connected to the autonomous triggering element in order to bring about a first ignition current (h) for the first ignition member (31) when the autonomous triggering element is actuated. The pyrotechnic short-circuit unit also comprises a second ignition member (32) which is designed to actuate the severing device and to be electrically connected to an electronic control unit (50) which is configured to bring about a second electric current (h) for igniting the second ignition member.


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    Title :

    DISPOSITIF DE SECURITE POUR CIRCUIT-ELECTRIQUE DE VEHICULE


    Contributors:

    Publication date :

    2022-03-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01H Elektrische Schalter , ELECTRIC SWITCHES



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