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    • 4. 发明授权
    • Power supply control apparatus
    • 电源控制装置
    • US08502409B2
    • 2013-08-06
    • US12954213
    • 2010-11-24
    • Norihiko KatoTakehiro KubotaniYukikazu Koide
    • Norihiko KatoTakehiro KubotaniYukikazu Koide
    • B60L1/00
    • F02N11/087B60L3/0069B60L3/04F02D2041/2048F02N11/10
    • A power supply control apparatus for controlling a power supply unit including a battery and a load is provided. The power supply control apparatus includes a main relay and a ground relay, a pre-charge relay, an inrush current limiting resistor, a first relay control section, and a time measurement section. The main relay and the ground relay are connected between the battery and the load. The pre-charge relay is connected in parallel with one of the main relay and the ground relay. The inrush current limiting resistor is connected in series with the pre-charge relay, and limits an inrush current from the battery to the load. The first relay control section temporarily turns ON the pre-charge relay and turns ON the main relay and the ground relay upon receiving a power supply connection request from the outside, and turns OFF the main relay and the ground relay upon receiving a power supply interruption request from the outside. The time measurement section chooses a time point in the period from when the pre-charge relay is turned ON to when it is turned OFF, and measures the elapsed time from the chosen time point. Before the elapsed time measured by the time measurement section reaches a predetermined reference period, the first relay control section does not turn OFF the main relay and the ground relay, but maintains the relays ON, even when receiving the power supply interruption request.
    • 提供一种用于控制包括电池和负载的电源单元的电源控制装置。 电源控制装置包括主继电器和接地继电器,预充电继电器,浪涌电流限制电阻器,第一继电器控制部分和时间测量部分。 主继电器和接地继电器连接在电池和负载之间。 预充电继电器与主继电器和接地继电器之一并联连接。 浪涌电流限流电阻与预充电继电器串联,并限制从电池到负载的浪涌电流。 第一继电器控制部分暂时接通预充电继电器,并从外部接收到电源连接请求时将主继电器和接地继电器接通,并在接收到电源中断时关断主继电器和接地继电器 来自外面的请求 时间测量部分选择从预充电继电器开启到关闭时间的时间点,并测量从所选择的时间点起的经过时间。 在由时间测量部分测量的经过时间到达预定的参考周期之前,即使当接收到电源中断请求时,第一继电器控制部分也不会关闭主继电器和接地继电器,而是保持继电器接通。