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    • 1. 发明授权
    • Method of detecting and responding to a cooling system failure in a power supply device
    • 检测并响应电源装置中的冷却系统故障的方法
    • US07771864B2
    • 2010-08-10
    • US10590235
    • 2005-08-19
    • Nobuaki KiyaJunta Katayama
    • Nobuaki KiyaJunta Katayama
    • H01M10/50H01M8/04H01M16/00
    • H01M16/003H01M10/486H01M10/613H01M10/625H01M10/633H01M10/6563H01M10/667
    • A cooling fan of a secondary battery and a cooling fan of a DC/DC converter are arranged in parallel to share the same air discharge path. A temperature sensor on an air intake side and a temperature sensor on an air discharge side are attached to the secondary battery. When the cooling fan is in failure, a temperature deviation between the air intake side and the air discharge side in the secondary battery increases because a backflow component of a discharge air is generated through the discharge path as the cooling fan operates. Based on this phenomenon, when operation commands for both of the cooling fans are issued, the control circuit senses a failure in the cooling fan by monitoring the temperature difference between temperatures detected by the temperature sensors. Failure detection is thereby possible without providing a sensor at each of the cooling fans.
    • 并联设置二次电池的冷却风扇和DC / DC转换器的冷却风扇,以共享相同的排气路径。 进气侧的温度传感器和排气侧的温度传感器安装在二次电池上。 当冷却风扇故障时,二次电池中的进气侧和排气侧之间的温度偏差增加,因为当冷却风扇工作时通过排出路径产生排出空气的回流分量。 基于这种现象,当发出用于两个冷却风扇的操作命令时,控制电路通过监测由温度传感器检测到的温度之间的温差来感测冷却风扇的故障。 因此,在每个冷却风扇上不设置传感器就能够进行故障检测。
    • 2. 发明申请
    • Power supply device
    • 电源设备
    • US20070178346A1
    • 2007-08-02
    • US10590235
    • 2005-08-19
    • Nobuaki KiyaJunta Katayama
    • Nobuaki KiyaJunta Katayama
    • H01M8/04
    • H01M16/003H01M10/486H01M10/613H01M10/625H01M10/633H01M10/6563H01M10/667
    • A cooling fan of a secondary battery and a cooling fan of a DC/DC converter are arranged in parallel to share the same air discharge path. A temperature sensor on an air intake side and a temperature sensor on an air discharge side are attached to the secondary battery. When the cooling fan is in failure, a temperature deviation between the air intake side and the air discharge side in the secondary battery increases because a backflow component of a discharge air is generated through the discharge path as the cooling fan operates. Based on this phenomenon, when operation commands for both of the cooling fans are issued, the control circuit senses a failure in the cooling fan by monitoring the temperature difference between temperatures detected by the temperature sensors. Failure detection is thereby possible without providing a sensor at each of the cooling fans.
    • 并联设置二次电池的冷却风扇和DC / DC转换器的冷却风扇,以共享相同的排气路径。 进气侧的温度传感器和排气侧的温度传感器安装在二次电池上。 当冷却风扇故障时,二次电池中的进气侧和排气侧之间的温度偏差增加,因为当冷却风扇工作时通过排出路径产生排出空气的回流分量。 基于这种现象,当发出用于两个冷却风扇的操作命令时,控制电路通过监测由温度传感器检测到的温度之间的温差来感测冷却风扇的故障。 因此,在每个冷却风扇上不设置传感器就能够进行故障检测。