WO2012177107A1 - 멀티입력회로 - Google Patents
멀티입력회로 Download PDFInfo
- Publication number
- WO2012177107A1 WO2012177107A1 PCT/KR2012/005521 KR2012005521W WO2012177107A1 WO 2012177107 A1 WO2012177107 A1 WO 2012177107A1 KR 2012005521 W KR2012005521 W KR 2012005521W WO 2012177107 A1 WO2012177107 A1 WO 2012177107A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- input
- signal
- temperature sensor
- current
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/021—Particular circuit arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
- G01K7/20—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
- H03K19/1731—Optimisation thereof
- H03K19/1732—Optimisation thereof by limitation or reduction of the pin/gate ratio
Definitions
- the present invention relates to a multi-input circuit of a control measuring device capable of receiving various types of signals from a single measuring device in a control measuring device such as a temperature controller or a panel meter, and more particularly, an input commonly used in a control measuring device.
- a control measuring device such as a temperature controller or a panel meter
- an input commonly used in a control measuring device By using any one of TC temperature sensor signal, RTD temperature sensor signal, analog voltage signal, and analog current signal from the same input terminal, it is possible to reduce the number of input terminals and simplify the configuration of the input circuit. It relates to an input circuit.
- control instruments such as temperature controllers, signal converters, and panel meters
- 1 to 3 show an example of the configuration of a conventional multi-input circuit which can simplify the input circuit.
- an example of the conventional configuration shown in FIG. 1 is to configure the temperature sensor signal input terminal and the current signal input terminal, respectively, and the RTD temperature sensor signal is received through the first terminal, the second terminal, and the third terminal.
- the TC temperature sensor signal or voltage signal is input through the second terminal and the third terminal, but the current signal must be converted into a voltage signal, so the current signal detection resistor is connected to both the third terminal and the third terminal. Input is via 4 terminals.
- FIG. 2 Another conventional configuration of FIG. 2 is an input selection switch 10 provided separately when an analog current signal is input, instead of using a temperature sensor signal input terminal and an analog voltage signal or analog current signal input terminal in common to minimize the input terminal.
- an input selection switch 10 By manually connecting the current signal detection resistor using the input method, the input current signal is converted into the voltage from the detection resistor and inputted.
- the input terminal and the component circuit are simple, but it is inconvenient to use a separate input selection switch 10. The measurement error may occur due to the contact resistance of the input selection switch 10 and the manufacturing cost increases.
- FIG. 3 Another conventional configuration of FIG. 3 is a method of simplifying an input terminal and a configuration circuit, which is similar to the method of FIG. 2, but has a current signal detection resistor 20 for receiving an analog current signal instead of the input selection switch 10.
- the input terminal and the configuration circuit are simple, but there is a problem in the inconvenience of the user and the difficulty of handling the current signal detection resistor 20 and the automation of the input selection is impossible.
- the present invention has been made to solve the above problems, and receives a temperature sensor signal, an analog voltage signal, and an analog current signal from the same input terminal in a control instrument such as a temperature controller or a panel meter, and receives each input signal from the controller. It is an object of the present invention to provide a multi-input circuit capable of reducing the production cost and miniaturizing a product by enabling input selection of various signals by only setting key operation.
- the current means detection signal detection unit is composed of a switching element and a detection resistor connected in series between the first terminal and the third terminal, characterized in that the detection signal output terminal of the detection resistor is connected to one input port of the multiplexer.
- the switching element is made of a diode as an embodiment, it characterized in that only the current signal input at a voltage higher than the threshold voltage of the diode can be detected by the detection resistor.
- the switching device is composed of a transistor, and the control signal input from the control unit to the switching device is input to the base of the transistor to measure the sensing signal of the current means to turn on the transistor.
- the control unit may be configured to selectively receive the first terminal, the second terminal and the third terminal by selection of a multiplexer when any one of an RTD temperature sensor, a TC temperature sensor, a current means or a voltage means is input. It is done.
- the type of the signal is determined through a diode, thereby lowering the manufacturing cost and miniaturizing the product. It can work.
- 1 to 3 is a configuration diagram for a conventional control measuring instrument
- FIG. 4 is a configuration diagram in which a current means, a voltage means, an RTD temperature sensor, and a TC temperature sensor are connected to a multi-input circuit according to a preferred embodiment of the present invention
- FIG. 5 is a view showing an embodiment of detecting the detection signal of the current means using a diode and a detection resistor in FIG.
- FIG. 6 is a diagram illustrating an example of detecting a detection signal of a current means using a transistor and a detection resistor in FIG. 4.
- the multi-input circuit 100 includes a first terminal 110, a second terminal 120, a third terminal 130, a current means detection signal detector 140, a multiplexer 150,
- the power supply unit 160 includes a switch 170, a controller 180, and a key input unit 190.
- the output terminal of the controller 180, RTD temperature sensor 300, TC temperature sensor 400 that can be connected to the first terminal 110 to the third terminal 130 of the multi-input circuit 100
- the display unit 200 capable of receiving and displaying the detection signal of the current means 500 and the voltage means 600 may be connected.
- the first terminal 110 is a terminal for receiving a signal detected from the RTD temperature sensor 300 and the TC temperature sensor 400 or the current means 500, RTD temperature sensor 300 and TC temperature sensor 400 or Each temperature signal and current signal detected and transmitted from the current means 500 is input to the multiplexer 150 to be described later.
- the second terminal 120 is a terminal for receiving the compensation signal and the voltage means 600 detection signal of the RTD temperature sensor 300, the compensation signal and the voltage signal received from the RTD temperature sensor 300 and the voltage means 600 Is input to the multiplexer 150 to be described later.
- the third terminal 130 is a terminal to which the common terminal of the RTD temperature sensor 300, the TC temperature sensor 400, the current means 500 and the voltage means 600, and the multiplexer 150 is connected.
- the current means detection signal detector 140 is a means for converting a current signal detected by the current means 500 into a voltage signal that can be recognized by the controller 180 and inputting it to one input port of the multiplexer 150. 141 and the detection resistor 142.
- the switching device 140 is connected to the ON state only when the sensing signal of the current means 500 is to be input through the multiplexer 150 so that the current signal sensed by the current means 500 is voltaged by the detection resistor 142. It is to be converted into a signal so that it can be input to the controller 180.
- the multiplexer 150 is connected to the output terminal of the first terminal 110, the second terminal 120, the third terminal 130 and the current means detection signal detection unit 140, such a multiplexer 150 is a terminal A 151, B terminal 152, C terminal 153 and D terminal 154.
- the A terminal 151, the B terminal 152, the C terminal 153 and the D terminal 154 are input ports through which an external signal is input to the multiplexer 150, and the A terminal 151 is the first terminal ( 110, B terminal 152 is connected to the output terminal of the current means detection signal detection unit 140, that is, one terminal of the detection resistor 142, C terminal 153 is connected to the second terminal 120
- the terminal D 154 is connected to the third terminal 130.
- the multiplexer 150 transmits external signals inputted through the A terminal 151, the B terminal 152, the C terminal 153, and the D terminal 154 to the controller 180.
- the power supply unit 160 serves to supply power for converting a change in resistance value according to a temperature change of the RTD temperature sensor 300 into a voltage, and the A terminal 151 of the first terminal 110 and the multiplexer 150. Is connected to the power supply to the RTD temperature sensor 300 by turning on the switch 170 by receiving the signal from the controller 180 only when receiving the detection signal of the RTD temperature sensor 300.
- the controller 180 controls the multiplexer 150 to output one of the external signals input from the A terminal 151, the B terminal 152, the C terminal 153, and the D terminal 154.
- the signal received from the 150 is converted into a digital signal and sent to the display unit 200 to be displayed as a digital value, and the key input unit 190 connected to the controller 180 has a user input port, that is, each terminal of the multiplexer 150.
- Sensors, current means or voltage means to be connected to 110 to 130 are set in the controller 180 and the controller 180 controls the multiplexer 150 and the switch 170 according to the corresponding input.
- FIG. 5 illustrates an embodiment in which the current means detecting signal detector 140 is configured using a diode and a detection resistor in the preferred embodiment of the present invention shown in FIG. 4.
- the components having the same functions as those shown in FIG. 4 are given the same reference numerals as those given to the elements shown in FIG. 4, and the descriptions thereof are omitted to avoid duplication of explanation. Detailed description will be omitted.
- the diode 143 used as the switching element 141 of the current means detection signal detector 140 is connected in series with one or more terminals between the first terminal 110 and the third terminal 130.
- the diode 143 may be a PN junction diode, a Schottky diode, a Zener diode, or the like.
- the threshold voltage of the diode is defined by [Equation 1].
- n is the ideal factor
- I is the diode current
- Is kT / q is 1.602176487 ⁇ [C]
- k is 1.3806504 ⁇ [J / K]
- T is 300K.
- the conduction voltage of the diode 143 is in the range of about 0.5V to 1.0V when the P-N junction diode is used, and has a temperature characteristic of -2mV / ° C. As such, the conduction voltage and temperature characteristics of the diode 143 are when the current is constant.
- the detection resistor 142 is connected in series with the diode 143 between the first terminal 110 and the third terminal 130. Such a detection resistor 142 flows through the conductive diode 143. This is to detect.
- the detection resistor 142 is connected to the B terminal 152 of the multiplexer 150 to be described later, the current signal for the voltage drop generated when the current through the diode 143 through the detection resistor 142 B. Transfer to terminal 152.
- the diode 143 flows only the current signal inputted at a voltage higher than the threshold voltage of the diode to the detection resistor 142 to detect current at both ends of the detection resistor 142 so that the current means is not affected by the residual voltage of the diode.
- the sensing current of 500 can be measured.
- FIG. 6 is a view showing an embodiment of detecting a detection signal of the current means using a transistor and a detection resistor in the preferred embodiment of the present invention shown in FIG.
- the same reference numerals as the reference numerals given to the components illustrated in FIG. 4 are assigned to the components having the same functions as those illustrated in FIG. 4 among the components illustrated in FIG. 6. In order to avoid duplication of description, detailed descriptions are omitted.
- the transistor 144 used as the switching element 141 of the current means detection signal detection unit 140 in FIG. 6 is a PNP type transistor, for example, the collector is connected to the first terminal 10 and the A terminal 151 of the multiplexer 150.
- the emitter is connected to the detection resistor 142 and the B terminal 152 of the multiplexer 150, and the base is connected to the controller 180, so that the control unit only when the detection signal of the current means 500 is inputted.
- the transistor 144 is turned on by the control signal of 180 to cause a current signal input from the collector to flow through the detection resistor 142 to the third terminal 130, and at this time, the voltage generated across the detection resistor 142 is multiplexed. It is made to transmit to the B terminal 152 of 150.
- the current means detection signal detection unit 140 is configured using a diode and a detection resistor
- the RTD temperature sensor 300, the TC temperature sensor 400, the current means 500, and the voltage means 600 may be used.
- the process of inputting the input temperature signal, the current signal and the voltage signal to the multi input circuit 100 and the process of outputting the signal input to the multi input circuit 100 by the controller 180 will be described in detail.
- the RTD temperature sensor 300 when the RTD temperature sensor 300 is connected to the multi-input circuit 100, the RTD temperature sensor 300 is connected to the first terminal 110, the second terminal 120, and the third terminal 130.
- the reason why the RTD temperature sensor 300 is connected to the first terminal 110, the second terminal 120, and the third terminal 130 is that the connection terminal of the RTD temperature sensor 300 includes a compensation signal terminal. Because it is three.
- the RTD temperature sensor 300 connected to the first terminal 110, the second terminal 120, and the third terminal 130 has the switch 170 turned on under the control of the controller 180 to supply the power supply 160. Power supplied from the first terminal 110 is supplied. As such, the power supplied to the first terminal 110 flows to the third terminal 130 after being supplied to the RTD temperature sensor 300.
- the total of the line resistance of the RTD temperature sensor 300 connected to the first terminal 110 and the line resistance of the RTD temperature sensor 300 connected to the third terminal 130 and the resistance of the RTD temperature sensor 300 are added together.
- a signal voltage proportional to the resistance is generated and input to the A terminal 151 of the multiplexer 150, and the lead voltage generated by the line resistance from the RTD temperature sensor 300 to the third terminal 130 is the second terminal. It is input to the C terminal 153 of the multiplexer 150 through the 130.
- the third terminal 130 and the D terminal 154 of the multiplexer 150 become a common ground (GND) signal, and the A terminal 151, the B terminal 152, and the C terminal (of the multiplexer 150). 153) the input impedance is high, so no current flows so that the signal is not affected.
- GND common ground
- the conductive line is input to the C terminal 153 of the multiplexer 150 at the signal voltage input to the A terminal 151 of the multiplexer 150. Subtracting twice the voltage is a pure signal by the RTD temperature sensor 300, this process is called line compensation. Therefore, since the line resistance of the RTD temperature sensor 300 far from the temperature measuring point is several ⁇ to several tens of ⁇ , line compensation is necessary.
- the RTD temperature sensor 300 uses a sensor having a resistance of 100 ohms when the temperature is zero degrees Celsius, and the output voltage range of the signal is 200 mV or less and the first terminal 110 of the multiplexer 150. There is no loss of signal because it is not conductive because it does not reach the threshold voltage of the diode 143 disposed between the third terminals 130.
- the current means 500 When the current means 500 is connected to the multi-input circuit 100, the current means 500 is connected to the first terminal 110 and the third terminal 130, and the switch 170 is controlled by the controller 180. It is controlled to the off state so that power is not supplied from the power supply unit 170.
- an analog current signal is output from the current means 500, and this analog current signal flows into the first terminal 110.
- the analog current signal is a signal of 4 mA to 20 mA or 0 mA to 20 mA loaded at a voltage of 10 V to 30 V, so that the threshold voltage of the diode 143 is exceeded and the diode 143 is turned on.
- the formed voltage forms a closed loop flowing through the third terminal 130 via the detection resistor 142.
- a voltage drop is generated by a current signal flowing through both ends of the detection resistor 142, so that the B terminal of the multiplexer 150 is generated. Is input to 152.
- the controller 180 selects the temperature signal input through the A terminal 151 of the multiplexer 150 as an output.
- the controller 180 selects the current signal input through the B terminal 152 of the multiplexer 150 as an output and measures the current signal. do.
- the TC temperature sensor 400 When the TC temperature sensor 400 is connected to the multi-input circuit 100, the TC temperature sensor 400 may be connected to the first terminal 110 and the third terminal 130, such TC temperature sensor 400 Since the power supply itself is not necessary to generate a voltage, the control unit 180 turns off the switch 170 so that power is not supplied from the power supply unit 170.
- the temperature signal is caused by the ground connected to the D terminal 154 of the third terminal 130 and the multiplexer 150.
- the controller 180 selects the temperature signal input through the A terminal 151 as an output and measures the temperature signal.
- the TC temperature sensor signal input through the first terminal 110 is 100 mV or less, so that the diode 143 cannot be conducted, and thus is transmitted to the A terminal 151 of the multiplexer 150.
- the voltage means 600 When the voltage means 600 is connected to the multi-input circuit 100, the voltage means 600 is connected to the second terminal 120 and the third terminal 130 of the multiplexer 150, and the voltage means 600 is connected. In the case of use, since no power supply is required, the control unit 180 turns off the switch 170 so that power is not supplied from the power supply unit 170.
- the controller 180 selects the voltage signal inputted through the C terminal 153 of the multiplexer 150 as an output and measures the voltage signal.
- the current means detection signal detection unit 140 is configured using a transistor and a detection resistor
- the RTD temperature sensor 300, the TC temperature sensor 400, the current means 500, and the voltage means 600 The process of inputting the temperature signal, the current signal, and the voltage signal input from the multi-input circuit 100 and the process of outputting the signal input to the multi-input circuit 100 by the controller 180 will be described in detail.
- the controller 180 controls the transistor 144 to be turned off except when measuring the current signal of the current means 500.
- the RTD temperature sensor 300 is connected to the first terminal 110, the second terminal 120, and the third terminal 130 as in the above, and connects the switch 170 to the on state to supply the power supply 160.
- the detection signal of the RTD temperature sensor 300 is connected to the A terminal 151 of the multiplexer 150 at the first terminal 110, the second terminal 120, and the third terminal 130.
- the C terminal 153 and the D terminal 154 are input without signal loss.
- the controller 180 selects and measures the voltage signal input through the C terminal 153 as an output.
- the TC temperature sensor 400 is connected to the first terminal 110 and the third terminal 130, since the transistor 144 is turned off, the temperature signal of the TC temperature sensor 400 is the A terminal 151.
- the controller 180 selects and outputs the temperature signal input through the A terminal 151 as an output.
- the current means 500 When the current means 500 is connected to the multi-input circuit 100, the current means 500 is connected to the first terminal 110 and the third terminal 130, and the switch 170 is controlled by the controller 180. By controlling the off state, the power is not supplied from the power supply unit 170 and the transistor 144 is turned on.
- the analog current signal output from the current means 500 flows into the first terminal 110.
- the analog current signal introduced into the first terminal 110 forms a closed loop flowing through the third terminal 130 through the turned-on transistor 144 and the detection resistor 142.
- a voltage drop is generated by the current signal flowing through both ends of the detection resistor 142, so that the multiplexer 150 It is input to the B terminal 152, and the controller 180 selects and outputs a current signal input through the B terminal 152 as an output.
- multi-input circuit 110 first terminal
- switching element 142 detection resistance
- diode 144 transistor
- switch 180 control unit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
Claims (5)
- 전류수단과 RTD온도센서 및 TC온도센서의 감지신호가 입력될 수 있는 제1단자; 상기 RTD온도센서의 보상신호와 전압수단의 감지신호가 입력될 수 있는 제2단자; 상기 전류수단과 RTD온도센서, TC온도센서 및 전압수단의 공통신호가 입력될 수 있고 접지되어 있는 제3단자; 상기 제1단자와 제3단자 사이에 연결되는 전류수단 감지신호 검출부; 상기 제1단자 내지 제3단자와 상기 전류수단 감지신호 검출부의 출력단이 입력포트에 각각 연결된 멀티플렉서; 상기 멀티플렉서에서 상기 감지신호를 입력받을 입력포트를 선택하는 키입력부; 상기 RTD온도센서의 저항값변화를 감지하기 위한 전원을 공급하는 전원부; 상기 전원부에서 상기 RTD온도센서로 공급되는 전원을 온오프하는 스위치; 상기 키입력부의 선택에 따라 상기 멀티플렉서의 입력포트를 선택하는 제어신호와 상기 스위치의 온오프를 제어하는 제어신호를 출력하여 상기 멀티플렉서의 입력포트로 입력되는 감지신호를 수신하는 제어부;를 포함하여 이루어진 멀티입력회로.
- 제1항에 있어서, 상기 전류수단 감지신호 검출부는 상기 제1단자와 제3단자 사이에 직렬로 연결되는 스위칭소자와 검출저항으로 이루어지고, 상기 검출저항의 검출신호 출력단이 멀티플렉서의 한 입력포트에 연결된 것을 특징으로 하는 멀티입력회로.
- 제2항에 있어서, 상기 스위칭소자는 다이오드로 이루어져, 다이오드의 문턱전압보다 높은 전압으로 입력되는 전류신호만 상기 검출저항에서 검출될 수 있도록 이루어진 것을 특징으로 하는 멀티입력회로.
- 제2항에 있어서, 상기 스위칭소자는 트랜지스터로 이루어지고 제어부에서 스위칭소자로 입력되는 제어신호는 전류수단의 감지신호 측정시 상기 트랜지스터의 베이스로 입력되어 상기 트랜지스터를 턴온시키도록 이루어진 것을 특징으로 하는 멀티입력회로.
- 제1항 내지 제5항에 있어서, 상기 제어부는 상기 제1단자, 제2단자 및 제3단자에 RTD온도센서, TC온도센서, 전류수단 또는 전압수단 중 어느 하나의 신호가 입력되는 경우 멀티플렉서의 선택에 의해 선택적으로 입력받도록 이루어진 것을 특징으로 하는 멀티입력회로.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013100184/08A RU2524569C1 (ru) | 2011-07-15 | 2012-07-11 | Многовходовая схема |
CN201280001312.3A CN103026626B (zh) | 2011-07-15 | 2012-07-11 | 多输入电路 |
US13/640,886 US8963530B2 (en) | 2011-07-15 | 2012-07-11 | Multi input circuit |
BR112012029406A BR112012029406A2 (pt) | 2011-07-15 | 2012-07-11 | circuito de entrada múltipla |
MX2012012631A MX2012012631A (es) | 2011-07-15 | 2012-07-11 | Circuito de entrada multiple. |
JP2013521729A JP2013535179A (ja) | 2011-07-15 | 2012-07-11 | マルチ入力回路 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20110070227 | 2011-07-15 | ||
KR10-2011-0070227 | 2011-07-15 | ||
KR10-2011-0109008 | 2011-10-24 | ||
KR1020110109008A KR101293280B1 (ko) | 2011-07-15 | 2011-10-24 | 멀티입력회로 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012177107A1 true WO2012177107A1 (ko) | 2012-12-27 |
Family
ID=47422785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/005521 WO2012177107A1 (ko) | 2011-07-15 | 2012-07-11 | 멀티입력회로 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8963530B2 (ko) |
WO (1) | WO2012177107A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111273575A (zh) * | 2019-07-01 | 2020-06-12 | 青岛拓步科技有限公司 | 一种智能传感器模拟仿真及自动化检测装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101493213B1 (ko) * | 2013-03-19 | 2015-02-13 | 삼성에스디에스 주식회사 | 아날로그 센서의 종류 판별 장치 |
US9927933B2 (en) * | 2014-07-10 | 2018-03-27 | Microchip Technology Germany Gmbh | Method and system for gesture detection and touch detection |
CN104363404B (zh) * | 2014-10-28 | 2017-06-23 | 广州创维平面显示科技有限公司 | 端子复用电路和多媒体终端设备 |
US11327475B2 (en) | 2016-05-09 | 2022-05-10 | Strong Force Iot Portfolio 2016, Llc | Methods and systems for intelligent collection and analysis of vehicle data |
US20180284745A1 (en) | 2016-05-09 | 2018-10-04 | StrongForce IoT Portfolio 2016, LLC | Methods and systems for self-organization of collected data using 3rd party data from a data marketplace in an industrial internet of things environment |
US11774944B2 (en) | 2016-05-09 | 2023-10-03 | Strong Force Iot Portfolio 2016, Llc | Methods and systems for the industrial internet of things |
US10908602B2 (en) | 2017-08-02 | 2021-02-02 | Strong Force Iot Portfolio 2016, Llc | Systems and methods for network-sensitive data collection |
US11073428B2 (en) * | 2017-09-28 | 2021-07-27 | Taiwan Semiconductor Manufacturing Co., Ltd. | Conductive line-based temperature-sensing device |
CN114520653A (zh) * | 2020-11-20 | 2022-05-20 | 华润微集成电路(无锡)有限公司 | 实现电路管脚复用的电路结构 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0562829U (ja) * | 1992-01-29 | 1993-08-20 | 横河電機株式会社 | 温度測定入力回路 |
KR970000457B1 (ko) * | 1994-09-01 | 1997-01-11 | 한국횡하전기 주식회사 | 자동 온도조절 시스템의 제어방법 |
KR0148920B1 (ko) * | 1995-03-30 | 1998-12-15 | 배순훈 | 측정신호의 전압 변환장치 및 그제어방법 |
KR20100012318A (ko) * | 2008-07-28 | 2010-02-08 | 주식회사 한영넉스 | 온도제어기와 멀티미터가 결합된 복합계측기 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5669713A (en) * | 1994-09-27 | 1997-09-23 | Rosemount Inc. | Calibration of process control temperature transmitter |
JPH11506837A (ja) * | 1995-06-06 | 1999-06-15 | ローズマウント インコーポレイテッド | プロセス制御システムにおける温度送信器用開センサ診断システム |
US5700090A (en) * | 1996-01-03 | 1997-12-23 | Rosemount Inc. | Temperature sensor transmitter with sensor sheath lead |
US7658539B2 (en) * | 2006-12-04 | 2010-02-09 | Rosemount Inc. | Temperature sensor configuration detection in process variable transmitter |
US8529126B2 (en) * | 2009-06-11 | 2013-09-10 | Rosemount Inc. | Online calibration of a temperature measurement point |
-
2012
- 2012-07-11 WO PCT/KR2012/005521 patent/WO2012177107A1/ko active Application Filing
- 2012-07-11 US US13/640,886 patent/US8963530B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0562829U (ja) * | 1992-01-29 | 1993-08-20 | 横河電機株式会社 | 温度測定入力回路 |
KR970000457B1 (ko) * | 1994-09-01 | 1997-01-11 | 한국횡하전기 주식회사 | 자동 온도조절 시스템의 제어방법 |
KR0148920B1 (ko) * | 1995-03-30 | 1998-12-15 | 배순훈 | 측정신호의 전압 변환장치 및 그제어방법 |
KR20100012318A (ko) * | 2008-07-28 | 2010-02-08 | 주식회사 한영넉스 | 온도제어기와 멀티미터가 결합된 복합계측기 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111273575A (zh) * | 2019-07-01 | 2020-06-12 | 青岛拓步科技有限公司 | 一种智能传感器模拟仿真及自动化检测装置 |
CN111273575B (zh) * | 2019-07-01 | 2023-04-11 | 青岛拓步科技有限公司 | 一种智能传感器模拟仿真及自动化检测装置 |
Also Published As
Publication number | Publication date |
---|---|
US8963530B2 (en) | 2015-02-24 |
US20130027015A1 (en) | 2013-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012177107A1 (ko) | 멀티입력회로 | |
KR101293280B1 (ko) | 멀티입력회로 | |
EP0047111A2 (en) | Matrix encoder for resistive sensor arrays | |
CN102297730A (zh) | 一种多通道的通用测温模件 | |
CN202075059U (zh) | 新型铂电阻温度测量模块 | |
US7773015B2 (en) | Measurement data acquisition apparatus and method of operation thereof | |
CA2661883A1 (en) | Apparatus, system and method for identification with temperature dependent resistive device | |
WO2014208898A1 (ko) | 터치 검출 장치 | |
JPH03129929A (ja) | フィールド計器システム及びコミュニケータ | |
WO2014148706A1 (ko) | 아날로그 센서의 종류 판별 장치 | |
CN208488188U (zh) | 应用于核电站的多通道温度传感器检测装置 | |
US7016792B2 (en) | Transducer comprising a connected data memory | |
CN201421653Y (zh) | 一种无线数据采集器 | |
CN105527036A (zh) | 基于cmc的智能温度变送器 | |
CN216349199U (zh) | 一种智能温度变送器和传感器信号测量装置 | |
WO2013012102A1 (ko) | 멀티입력회로 | |
CN210198571U (zh) | 一种测温监控装置 | |
RU2670251C2 (ru) | Инфракрасный датчик | |
CN216433368U (zh) | 一种二线制压力变送器 | |
CN110907050A (zh) | 温度测量装置 | |
KR20070025245A (ko) | 디지털 복합 센서를 적용한 2선 방식 전송기 | |
CN114994402B (zh) | 一种终端模组功耗测试设备、方法及*** | |
CN111721352B (zh) | 测量设备与物理特性测量装置 | |
WO2022114762A1 (ko) | 다채널 열전대 측정 장치 | |
CN218937446U (zh) | 一种温湿度检测装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201280001312.3 Country of ref document: CN |
|
ENP | Entry into the national phase |
Ref document number: 2013521729 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2377/MUMNP/2012 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13640886 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012/12369 Country of ref document: TR |
|
WWE | Wipo information: entry into national phase |
Ref document number: MX/A/2012/012631 Country of ref document: MX |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12207959 Country of ref document: CO |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12012502287 Country of ref document: PH |
|
ENP | Entry into the national phase |
Ref document number: 2013100184 Country of ref document: RU Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12803352 Country of ref document: EP Kind code of ref document: A1 |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112012029406 Country of ref document: BR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12803352 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 112012029406 Country of ref document: BR Kind code of ref document: A2 Effective date: 20121119 |