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    Power stealing for a thermostat using a TRIAC with FET control
    1.
    发明授权
    Power stealing for a thermostat using a TRIAC with FET control 失效
    使用具有FET控制的TRIAC的恒温器的电力窃取

    公开(公告)号：US07755220B2

    公开(公告)日：2010-07-13

    申请号：US11659611

    申请日：2005-02-24

    申请人： Scott A. Sorg ,  Timothy N. Comerford ,  Donald R. Means

    发明人： Scott A. Sorg ,  Timothy N. Comerford ,  Donald R. Means

    IPC分类号： G05D23/00

    CPC分类号： H02M5/2576 ,  Y10T307/826 ,  Y10T307/858 ,  Y10T307/865

    摘要： An electronic thermostat circuit has improved power stealing for controlling an AC control device. The circuit comprises a source of AC control power coupled to an electronic switch means having an electronic switch means control input. The electronic switch means controls the AC control device. The diode bridge controls the electronic switch means by a DC control signal applied to the diode bridge means DC connection. The amplifier means has an amplifier input for controlling the state of the amplifier and an amplifier output for generating the DC control signal. An isolated gate FET means is electrically coupled to the amplifier input for controlling the state of the amplifier. The isolated gate FET means is powered by the current derived from the source of AC control power by power stealing. The digital signal controls the state of the AC control.

    摘要翻译： 电子恒温电路具有改进的用于控制AC控制装置的电力窃取。 该电路包括耦合到具有电子开关装置控制输入的电子开关装置的AC控制功率源。 电子开关装置控制交流控制装置。 二极管电桥通过施加到二极管桥接器直流连接的DC控制信号来控制电子开关装置。 放大器装置具有用于控制放大器的状态的放大器输入端和用于产生DC控制信号的放大器输出。 隔离栅极FET装置电耦合到放大器输入端，用于控制放大器的状态。 隔离栅极FET装置由通过电力窃取由AC控制电源产生的电流供电。 数字信号控制交流控制的状态。