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    • 2. 发明授权
    • AC/DC converting circuit and motor controller using the same
    • AC / DC转换电路和使用其的电机控制器
    • US08035331B2
    • 2011-10-11
    • US12542752
    • 2009-08-18
    • Yong ZhaoJunqiang ZhangDawei LiuSongfa Tang
    • Yong ZhaoJunqiang ZhangDawei LiuSongfa Tang
    • H02M7/04H02P1/00
    • H02M7/06H02M1/10
    • An AC/DC converting circuit, has a full-bridge rectifier having two input terminals and two output terminals, a first capacitor, a second capacitor, an electronic switch having a control terminal, a trigger circuit having an input terminal and an output terminal, and a detecting circuit having an input terminal and an output terminal. The first capacitor and the second capacitor are serially connected between the output terminals of the full-bridge rectifier, the input terminals of the full-bridge rectifier are connected to an AC input, one end of the electronic switch is connected between the first capacitor and the second capacitor, the other end of the electronic switch is connected to one of the output terminals of the full-bridge rectifier, the input terminal and the output terminal of the detecting circuit are connected to the output terminals of the full-bridge rectifier, the output terminal of the detecting circuit is connected to an input terminal of the trigger circuit, and the output terminal of the trigger circuit is connected to the control terminal of the electronic switch.
    • AC / DC转换电路具有全桥整流器,具有两个输入端和两个输出端,第一电容,第二电容,具有控制端的电子开关,具有输入端和触发电路的触发电路, 以及具有输入端子和输出端子的检测电路。 第一电容器和第二电容器串联连接在全桥整流器的输出端子之间,全桥整流器的输入端子连接到AC输入端,电子开关的一端连接在第一电容器和 第二电容器,电子开关的另一端连接到全桥整流器的输出端之一,检测电路的输入端和输出端连接到全桥整流器的输出端, 检测电路的输出端子与触发电路的输入端子连接,触发电路的输出端子与电子开关的控制端子连接。
    • 4. 发明授权
    • Surge current protection circuit and motor using the same
    • 浪涌电流保护电路和电机使用相同
    • US08598820B2
    • 2013-12-03
    • US12581183
    • 2009-10-19
    • Yong ZhaoJunqiang ZhangDawei Liu
    • Yong ZhaoJunqiang ZhangDawei Liu
    • H02H7/08
    • H02H9/001
    • A surge current protection circuit, has a control unit having an output end, a photoelectric coupling and driving circuit, a silicon symmetrical switch having a control end, and a current-limiting resistor. The current-limiting resistor and the silicon symmetrical switch are parallel connected altogether and then serially connected to a load and an AC input, and the control end of the silicon symmetrical switch is connected to the output end of the control unit via the photoelectric coupling and driving circuit. The invention features low production cost, high reliability and improved power efficiency, and is capable of effectively suppressing surge current.
    • 浪涌电流保护电路具有输出端的控制单元,光电耦合和驱动电路,具有控制端的硅对称开关和限流电阻。 限流电阻和硅对称开关并联连接,然后串联连接到负载和交流输入,硅对称开关的控制端通过光电耦合连接到控制单元的输出端, 驱动电路。 本发明具有生产成本低,可靠性高,功率效率高,能够有效地抑制浪涌电流。
    • 5. 发明申请
    • OVER-CURRENT PROTECTION CIRCUIT AND MOTOR CONTROLLER COMPRISING THE SAME
    • 过电流保护电路和包含该电路的电机控制器
    • US20100214702A1
    • 2010-08-26
    • US12638979
    • 2009-12-15
    • Yong ZHAOJunqiang ZHANGDawei LIUSongfa TANG
    • Yong ZHAOJunqiang ZHANGDawei LIUSongfa TANG
    • H02H7/085
    • H02H3/025H02H7/0833
    • An over-current protection circuit, has a main transmission circuit including at least a first triode and a first resistor, a trigger circuit including a second triode and a second resistor, and a detecting circuit having an input terminal and an output terminal. One end of the first resistor is connected to one end of a collecting electrode and an emitting electrode of the first triode. The other end of the first resistor is connected to a current output. The other end of the collecting electrode and the emitting electrode of the first triode is connected to a current input. One end of the second resistor is connected to a collecting electrode of the second triode. The other end of the second resistor is connected to the ground. An emitting electrode of the second triode is connected to the current input. The collecting electrode of the second triode is connected to a base electrode of the first triode. The input terminal of the detecting circuit is connected to the current output whereby extracting a detecting signal therefrom. The output terminal of the detecting circuit is connected to a base electrode of the second triode
    • 一种过电流保护电路,具有至少包括第一三极管和第一电阻器的主传输电路,包括第二三极管和第二电阻器的触发电路以及具有输入端子和输出端子的检测电路。 第一电阻器的一端连接到集电电极的一端和第一三极管的发射电极。 第一个电阻的另一端连接到电流输出。 集电极的另一端和第一三极管的发射电极连接到电流输入端。 第二电阻器的一端连接到第二三极管的集电极。 第二个电阻的另一端连接到地面。 第二三极管的发射电极连接到电流输入端。 第二三极管的集电极连接到第一三极管的基极。 检测电路的输入端子连接到电流输出端,从而提取检测信号。 检测电路的输出端子连接到第二三极管的基极
    • 6. 发明申请
    • AC/DC CONVERTING CIRCUIT AND MOTOR CONTROLLER USING THE SAME
    • AC / DC转换电路和电机控制器
    • US20100207556A1
    • 2010-08-19
    • US12542752
    • 2009-08-18
    • Yong ZHAOJunqiang ZHANGDawei LIUSongfa TANG
    • Yong ZHAOJunqiang ZHANGDawei LIUSongfa TANG
    • H02P29/00H02M7/06
    • H02M7/06H02M1/10
    • An AC/DC converting circuit, has a full-bridge rectifier having two input terminals and two output terminals, a first capacitor, a second capacitor, an electronic switch having a control terminal, a trigger circuit having an input terminal and an output terminal, and a detecting circuit having an input terminal and an output terminal. The first capacitor and the second capacitor are serially connected between the output terminals of the full-bridge rectifier, the input terminals of the full-bridge rectifier are connected to an AC input, one end of the electronic switch is connected between the first capacitor and the second capacitor, the other end of the electronic switch is connected to one of the output terminals of the full-bridge rectifier, the input terminal and the output terminal of the detecting circuit are connected to the output terminals of the full-bridge rectifier, the output terminal of the detecting circuit is connected to an input terminal of the trigger circuit, and the output terminal of the trigger circuit is connected to the control terminal of the electronic switch.
    • AC / DC转换电路具有全桥整流器,具有两个输入端和两个输出端,第一电容,第二电容,具有控制端的电子开关,具有输入端和触发电路的触发电路, 以及具有输入端子和输出端子的检测电路。 第一电容器和第二电容器串联连接在全桥整流器的输出端子之间,全桥整流器的输入端子连接到AC输入端,电子开关的一端连接在第一电容器和 第二电容器,电子开关的另一端连接到全桥整流器的输出端之一,检测电路的输入端和输出端连接到全桥整流器的输出端, 检测电路的输出端子与触发电路的输入端子连接,触发电路的输出端子与电子开关的控制端子连接。