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    • 2. 发明授权
    • Over-current protection apparatus
    • 过流保护装置
    • US08325052B2
    • 2012-12-04
    • US12970959
    • 2010-12-17
    • Bo Deng
    • Bo Deng
    • G08B21/00
    • H02H3/08
    • An over-current protection apparatus includes a first connector connected to a power supply, a second connector connected to a motherboard. A non-inverting input terminal of a comparator receives a voltage from a power supply and compares the received voltage with a preset voltage, when the received voltage is greater than the preset voltage. The comparator outputs a high level signal to control a first electrical switch to be turned on and a second electrical switch to be turned off. A clock pin of a flip-flop receives a high level signal from the second electrical switch, and an output terminal of the flip-flop outputs a low level signal to a third electrical switch, to control the third electrical switch to be turned off. A control pin of a first connector is disconnected to a control pin of a second connector and the power supply does not provide voltages to a motherboard.
    • 过流保护装置包括连接到电源的第一连接器,连接到母板的第二连接器。 当接收电压大于预设电压时,比较器的同相输入端子接收来自电源的电压并将接收电压与预置电压进行比较。 比较器输出高电平信号以控制要接通的第一电开关和关闭第二电开关。 触发器的时钟引脚从第二电开关接收高电平信号,并且触发器的输出端输出低电平信号到第三电开关,以控制第三电开关断开。 第一连接器的控制销与第二连接器的控制引脚断开,并且电源不向母板提供电压。
    • 3. 发明授权
    • Voltage measuring apparatus for buck circuit
    • 降压电路电压测量装置
    • US08766622B2
    • 2014-07-01
    • US13337131
    • 2011-12-25
    • Jia-Qi DongBo Deng
    • Jia-Qi DongBo Deng
    • G01R19/22G01R19/25H02M3/158
    • G01R19/25H02M3/1582
    • A voltage measuring apparatus electrically connected to buck circuits includes the same number of RC circuits as there are buck circuits, an analog/digital (A/D) convertor, a controller, and a display unit. Each RC circuit is configured to be electrically connected in parallel with an inductor of one corresponding buck circuit. The A/D convertor selectively obtains an analog voltage of one of the buck circuits, and converts the analog voltage signal into a digital voltage signal. The controller controls the A/D convertor and receives the digital voltage signal from the A/D convertor. The display unit displays a decimal voltage value based on the digital voltage signal.
    • 电气连接到降压电路的电压测量装置包括与降压电路相同数量的RC电路,模拟/数字(A / D)转换器,控制器和显示单元。 每个RC电路被配置为与一个对应的降压电路的电感器并联电连接。 A / D转换器选择性地获得一个降压电路的模拟电压,并将模拟电压信号转换为数字电压信号。 控制器控制A / D转换器,并从A / D转换器接收数字电压信号。 显示单元根据数字电压信号显示十进制电压值。
    • 4. 发明授权
    • Speed adjustment circuit for a plurality of fans
    • 用于多个风扇的速度调节电路
    • US08427085B2
    • 2013-04-23
    • US13007689
    • 2011-01-17
    • Bo DengXian-Guang Tan
    • Bo DengXian-Guang Tan
    • H02P1/00
    • F04D27/004F04D25/166
    • A speed adjustment circuit for a plurality of fans includes a voltage input terminal, a plurality of speed control modules, and a fan tachometer. Each of the speed control modules includes a fan connector, a speed adjusting unit, and a detector switch unit. The speed adjusting unit includes a switching control unit, a voltage adjusting chip, and a variable resistor. The detector switch unit includes a first switch. The voltage input terminal connects to the input terminal of the voltage adjusting chip through the switching control unit. The output terminal of the voltage adjusting chip connects to the power pin of the fan connector. The adjusting terminal of the voltage adjusting chip connects to ground through the variable resistor, and connects to the output terminal of the voltage adjusting chip through a resistor. The detection pin of the fan connector connects to the fan tachometer through the first switch.
    • 用于多个风扇的速度调节电路包括电压输入端子,多个速度控制模块和风扇转速计。 每个速度控制模块包括风扇连接器,速度调节单元和检测器开关单元。 速度调节单元包括开关控制单元,电压调节芯片和可变电阻器。 检测器开关单元包括第一开关。 电压输入端子通过开关控制单元连接到电压调节芯片的输入端子。 电压调节芯片的输出端子连接到风扇连接器的电源引脚。 电压调节芯片的调整端子通过可变电阻连接到地,并通过电阻连接到电压调节芯片的输出端子。 风扇连接器的检测针通过第一个开关连接到风扇转速计。