There is provided a direct current power supply circuit mounted in a working vehicle with increased safety as compared with related art by a configuration where a main power source is used after a battery management system (BMS) determines that the main power source can be used. A direct current power supply circuit (10) includes a first power source (11), a switch (13), a second power source (12) and a first relay (17), in which the first power source (11) is connected to a battery management system (4) through the first relay (17) so as to supply direct current power, the battery management system (4) is activated by supply of direct current power from the second power source (12) when the switch (13) is turned on, and the first relay (17) is on-controlled when determined that the first power source (11) can be used.


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    Title :

    DIRECT CURRENT POWER SUPPLY CIRCUIT MOUNTED IN WORKING VEHICLE


    Additional title:

    IN EINEM ARBEITSFAHRZEUG MONTIERTE GLEICHSTROMVERSORGUNGSSCHALTUNG
    CIRCUIT D'ALIMENTATION ÉLECTRIQUE À COURANT CONTINU MONTÉ DANS UN VÉHICULE DE TRAVAIL


    Contributors:

    Publication date :

    2020-09-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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