Method and apparatus for monitoring electrical ground isolation in a powertrain system
    21.
    发明授权
    Method and apparatus for monitoring electrical ground isolation in a powertrain system 有权
    用于监测动力总成系统中电气接地隔离的方法和装置

    公开(公告)号:US08497687B2

    公开(公告)日:2013-07-30

    申请号:US12690986

    申请日:2010-01-21

    IPC分类号: G01R31/14

    摘要: A method for monitoring operation of a vehicle including a high voltage electrical system including an electrical energy storage device electrically connected to switching circuits of an inverter device via a high voltage bus, the inverter device configured to transfer electric power to an electric machine via activation of a plurality of switch devices, includes monitoring electrical ground isolation of the high voltage electrical system during ongoing operation of the vehicle, detecting an electrical ground isolation fault in the high voltage electrical system, and detecting a location of the electrical ground isolation fault associated with at least one of the electrical energy storage device, the high voltage bus, the inverter device, and the electric machine subsequent to a vehicle key-off event.

    摘要翻译: 一种用于监视包括高电压电气系统的车辆的操作方法,所述高压电气系统包括经由高压母线电连接到逆变器装置的开关电路的电能存储装置,所述逆变器装置被配置为通过激活将电力传送到电机 多个开关装置包括在车辆的正在进行的操作期间监测高压电气系统的电接地隔离,检测高压电气系统中的电接地隔离故障,以及检测与之相关联的电接地隔离故障的位置 在车辆关闭事件之后的至少一个电能存储装置,高压总线,逆变器装置和电机。

    High-voltage terminal assembly with integral high-voltage interlock
    22.
    发明授权
    High-voltage terminal assembly with integral high-voltage interlock 有权
    具有集成高压互锁的高压端子组件

    公开(公告)号:US08466586B2

    公开(公告)日:2013-06-18

    申请号:US12244838

    申请日:2008-10-03

    IPC分类号: F16P3/20

    摘要: A vehicle includes a high-voltage (HV) energy storage system (ESS), an HV device having HVIL source and return (SR) pins and an HV receptacle, an HV cable, and an HV terminal assembly. The assembly includes a tray portion and retainer for aligning the HV cables with the HV receptacle. An HVIL jumper device is connected to the tray portion and electrically connectable to the HVIL SR pins. The assembly includes a cover portion removably mountable to the tray portion to provide a suitable EMF shield and weather seal. The cover portion includes an HVIL shorting plug. HV electrical energy is supplied from said ESS to the HV device only when all three of the HVIL components, i.e., the HVIL SR pins, the HVIL jumper device, and the HVIL shorting plug, are electrically interconnected to form a closed HVIL circuit, while at the same time the HV cable is properly connected.

    摘要翻译: 车辆包括高压(HV)能量存储系统(ESS),具有HVIL源和返回(SR)引脚的HV装置和HV插座,HV电缆和HV端子组件。 组件包括用于将HV电缆与HV插座对准的托盘部分和保持器。 HVIL跳线装置连接到托盘部分并可电连接到HVIL SR引脚。 组件包括可拆卸地安装到托盘部分以提供合适的EMF屏蔽和气密密封的盖部分。 盖部分包括HVIL短路塞。 只有当所有三个HVIL部件(即HVIL SR引脚,HVIL跳线器件和HVIL短路插头)电互连以形成闭合的HVIL电路时,HV电能才从所述ESS供应到HV器件,同时 同时HV电缆已正确连接。

    PROGNOSTIC FOR LOSS OF HIGH-VOLTAGE ISOLATION
    23.
    发明申请
    PROGNOSTIC FOR LOSS OF HIGH-VOLTAGE ISOLATION 有权
    预防高压隔离损失

    公开(公告)号:US20080119976A1

    公开(公告)日:2008-05-22

    申请号:US11561125

    申请日:2006-11-17

    IPC分类号: G06F19/00

    摘要: A method is provided for predicting a loss of high-voltage isolation within a hybrid, electric, or fuel cell vehicle. The method includes recording the equivalent resistance between a vehicle chassis and a high-voltage bus, detecting a trend in the measurements, and predicting when the resistance will drop below a threshold value. The method also includes issuing a warning or message to the owner/operator when the predicted remaining number of events drops below a predetermined number and/or when the resistance drops below the threshold. Additionally, an apparatus is provided for predicting a high-voltage isolation fault comprising a controller having an algorithm for predicting the fault, a high-voltage bus and bus components, and a reporting device for reporting the fault and/or predetermined number of remaining events. The controller is configured to initiate the algorithm and record a series of equivalent resistance measurements taken between the vehicle chassis and high-voltage bus.

    摘要翻译: 提供了一种用于预测混合动力,电动或燃料电池车辆内的高压隔离损失的方法。 该方法包括记录车辆底盘和高压母线之间的等效电阻,检测测量中的趋势,以及预测电阻何时下降到阈值以下。 该方法还包括当预测的剩余事件数量下降到预定数量以下和/或当电阻下降到阈值以下时向所有者/操作者发出警告或消息。 另外,提供了一种用于预测高电压隔离故障的装置,包括具有用于预测故障的算法的控制器,高压总线和总线组件,以及用于报告故障和/或预定数量的剩余事件的报告装置 。 控制器配置为启动算法并记录车辆底盘和高压母线之间的一系列等效电阻测量。