The invention provides a vehicle heat medium heating device capable of reliably stopping power supply to a heater without malfunction even if water is immersed into the interior of a housing. A vehicle heat medium heating device (1) is provided with: a heater (3) that heats a heat medium within a housing; a control board (4) on which a heater control circuit (30) is mounted; and a pair of conductive pads (6a, 6b) which are separated from each other on the control substrate (4), are provided separately from the heater control circuit (30), and have conductivity. A circuit breaker (4e) is provided to a first power supply line (4a) from the positive electrode of an external power supply (B), one conductive pad (6a) is electrically connected to an intermediate line (4a1) of the first power supply line (4a), and the other conductive pad (6b) is electrically connected to a second power supply line (4b) from the negative electrode of the external power supply (B). The pair of conductive pads (6a, 6b) is positioned below a circuit element of the heater control circuit (30) in a state where the housing is fixed to the vehicle in a predetermined reference orientation.

    本发明提供一种车用载热体加热装置,即使发生向外壳内部的浸水,也能在没有错误动作的情况下可靠地停止向加热器的电力供给。车用载热体加热装置(1)包括:在外壳内对载热体进行加热的加热器(3);安装有加热器控制电路(30)的控制基板(4);以及在控制基板(4)上相互分离并与加热器控制电路(30)分开设置,并且具有导电性的一对导电垫(6a、6b)。在来自外部电源(B)的正极的第一电源线(4a)设置有断路器(4e),一方的导电垫(6a)电连接于第一电源线(4a)中的中间线(4a1),另一方的导电垫(6b)电连接于来自外部电源(B)的负极的第二电源线(4b)。在外壳以规定的基准姿态固定于车辆的状态下,一对导电垫(6a、6b)位于比加热器控制电路(30)的电路要素靠下方处。


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    Titel :

    Vehicle heat carrier heating device


    Weitere Titelangaben:

    车用载热体加热装置


    Beteiligte:
    OKADA MIZUKI (Autor:in)

    Erscheinungsdatum :

    26.07.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / H05B ELECTRIC HEATING , Elektrische Heizung



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