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    • 3. 发明申请
    • MULTI INPUT CIRCUIT
    • 多路输入电路
    • US20130027015A1
    • 2013-01-31
    • US13640886
    • 2012-07-11
    • Hwan Ki Park
    • Hwan Ki Park
    • G05F1/44
    • G01K7/021G01K7/20H03K19/1732
    • The present invention relates to a multi input circuit, including: a first terminal being supplied with sensing signals of a current means, an RTD temperature sensor, and a TC temperature sensor; a second terminal being supplied with a compensation signal of the RTD temperature sensor and a sensing signal of the voltage means; a third terminal being supplied with a common signal of the current means, the RTD temperature sensor, the TC temperature sensor, and the voltage means and being grounded; a current means sensing signal detection unit connected between the first terminal and the third terminal; a multiplexer of which input ports are each connected to the first to third terminals and an output end of the current means sensing signal detection unit; a key input unit selecting the input ports for receiving the sensing signals from the multiplexer; a power supply unit supplying power for sensing a change in a resistance value of the RTD temperature sensor; a switch turning-on/off power supplied to the RTD temperature sensor from the power supply unit; and a control unit outputting a control signal selecting the input ports of the multiplexer and a control signal controlling the turn-on/off of the switch according to the selection of the key input unit to receive the sensing signal input to the input port of the multiplexer, whereby it is possible to reduce the manufacturing costs, miniaturize the products, and improve user convenience by allowing the same input terminal of a control measuring instrument, such as a temperature controller, a panel meter, and the like, to receive a temperature sensor signal, an analog voltage signal, and an analog current signal so as to differentiate the types of the signals using the diode.
    • 多输入电路技术领域本发明涉及多输入电路,包括:第一端子被提供有电流装置,RTD温度传感器和TC温度传感器的感测信号; 第二端子被提供有RTD温度传感器的补偿信号和电压装置的感测信号; 第三端子被提供有当前装置的公共信号,RTD温度传感器,TC温度传感器和电压装置并被接地; 连接在第一端子和第三端子之间的电流装置感测信号检测单元; 多路复用器,其输入端口各自连接到第一至第三端子和电流装置感测信号检测单元的输出端; 键输入单元,选择用于从多路复用器接收感测信号的输入端口; 电源单元,用于检测RTD温度传感器的电阻值的变化; 从电源单元提供给RTD温度传感器的开关接通/断开电源; 以及控制单元,输出选择多路复用器的输入端口的控制信号和根据键输入单元的选择来控制开关的接通/断开的控制信号,以接收输入到输入端口的输入端口的感测信号 通过允许诸如温度控制器,面板仪表等的控制测量仪器的相同输入端子可以降低制造成本,使产品小型化并且提高用户便利性,从而可以接收温度 传感器信号,模拟电压信号和模拟电流信号,以便使用二极管来区分信号的类型。
    • 4. 发明授权
    • Multi input circuit
    • 多路输入电路
    • US08963530B2
    • 2015-02-24
    • US13640886
    • 2012-07-11
    • Hwan Ki Park
    • Hwan Ki Park
    • G05F1/44G01K7/02H03K19/173G01K7/20
    • G01K7/021G01K7/20H03K19/1732
    • A multi input circuit is provided having a first terminal; a second terminal; a third terminal; a current element sensing signal detection unit connected between the first terminal and the third terminal; a multiplexer of which input ports are each connected to the first to third terminals and an output end of the current element sensing signal detection unit; a key input unit selecting the input ports for receiving the sensing signals from the multiplexer; a power supply unit; a switch turning-on/off power supplied to the RTD temperature sensor from the power supply unit; and a control unit outputting a control signal selecting the input ports of the multiplexer and a control signal controlling the turn-on/off of the switch according to the selection of the key input unit to receive the sensing signal input to the input port of the multiplexer.
    • 提供具有第一端子的多输入电路; 第二个终端 第三个终端; 连接在第一端子和第三端子之间的电流元件感测信号检测单元; 多路复用器,其输入端口各自连接到第一至第三端子以及电流元件感测信号检测单元的输出端; 键输入单元,选择用于从多路复用器接收感测信号的输入端口; 电源单元; 从电源单元提供给RTD温度传感器的开关接通/断开电源; 以及控制单元,输出选择多路复用器的输入端口的控制信号和根据键输入单元的选择来控制开关的接通/断开的控制信号,以接收输入到输入端口的输入端口的感测信号 复用器。
    • 7. 发明授权
    • Convertible flush or exposure type terminal board of control device
    • 可转换冲洗或曝光型端子板的控制装置
    • US5966295A
    • 1999-10-12
    • US563731
    • 1995-11-28
    • Hwan Ki Park
    • Hwan Ki Park
    • H01H11/00H01R9/24H01R9/00
    • H01R9/24H01H11/0031
    • A terminal board for attachment to a control device in one of a flush or exposed type configuration. The terminal board including at least one exposed fixing hole defined in an upper portion of the terminal board, and at least one attached plate fixing hole defined in a lower portion of the terminal board, wherein the terminal board may be mounted to the control device in an exposure type attachment configuration in which the exposed fixing hole is exposed relative to the case. Alternatively, the terminal board may be mounted to the control device in an flush type attachment configuration in which the exposed fixing hole is flush with the case of the control device.
    • 一种用于以冲洗或暴露型配置之一附接到控制装置的端子板。 所述端子板包括限定在所述端子板的上部中的至少一个露出的固定孔,以及限定在所述端子板的下部中的至少一个附接板固定孔,其中,所述端子板可以安装到所述控制装置 暴露的固定孔相对于壳体露出的曝光型连接结构。 或者,端子板可以以暴露的固定孔与控制装置的壳体齐平的齐平型安装构造安装到控制装置。