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    • 73. 发明申请
    • ELECTRIC COMPRESSOR
    • 电动压缩机
    • US20120213649A1
    • 2012-08-23
    • US13397889
    • 2012-02-16
    • Tomoyuki SUMIHiroshi Amano
    • Tomoyuki SUMIHiroshi Amano
    • F04B35/04
    • H02P5/74B60H1/00428B60L1/02F04B35/04F04B49/06H02M7/53875Y02T10/88
    • An electric compressor, wherein an inverter device, which controls the operation of an electric motor by commands from an external control unit, is provided with a drive IC which computes drive signals of the electric motor based on the same, a switching circuit which converts the drive signals to rotation control signals of the electric motor, and an output signal control IC which cuts off input of the drive signals to the switching circuit at the time of an abnormality and wherein, furthermore, the drive IC is provided with a comparator which compares drive signals which are input to the switching circuit and computed values of the drive signals at a control unit inside the drive IC and, when the drive signals and the computed values do not match, the comparator makes the output signal control IC cut off input of the drive signals to the switching circuit.
    • 一种电动压缩机,其中通过来自外部控制单元的命令来控制电动机的操作的逆变器装置设置有驱动IC,该驱动IC基于该驱动IC来计算电动机的驱动信号,转换电路 驱动信号到电动机的旋转控制信号,以及输出信号控制IC,其在异常时切断对开关电路的驱动信号的输入,此外,驱动IC设置有比较器 输入到开关电路的驱动信号和驱动IC内部的控制单元的驱动信号的计算值,并且当驱动信号和计算值不匹配时,比较器使输出信号控制IC截止输入 驱动信号到开关电路。