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Treating meter and signal measurement for semiconductive high-molecular material pressure and temp sensor

A technology of temperature sensor and polymer material, which is applied in the direction of measuring fluid pressure through electromagnetic elements, using electric/magnetic devices to transmit sensing components, thermometers, etc., which can solve complex sensor structures, low sensitivity of sensing materials, and inaccurate monitoring data And other issues

Inactive Publication Date: 2009-01-21
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, various sensors at home and abroad, including more than 25,000 kinds of sensors in the patent library, many of which are devoted to the improvement of the structure of the sensor, but the sensing material used in the traditional sensor has low sensitivity, and the obtained signal must pass through the signal Enlarging can only be used, resulting in a complex sensor structure, especially under the action of high temperature and high pressure, the test data offset phenomenon is serious, it is impossible to carry out precise testing in harsh environments or high temperature and high pressure, resulting in inaccurate monitoring data, other technical improvements Difficult to advance, therefore, the improvement of sensors has become a focus of research in developed countries such as the United States

Method used

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  • Treating meter and signal measurement for semiconductive high-molecular material pressure and temp sensor

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Embodiment 1

[0015] A processing instrument for semiconducting polymer material pressure and temperature sensors, which consists of: a memory 1, the memory 1 is connected to a program calculator 2, one end of the program calculator 2 is connected to the program controller 4, and the other end is connected to the program controller 4. The A / D converter 3 is connected, and the A / D converter 3 is controlled by the program controller 4 or connected to both ends of the first sampling resistor (R01) and the second sampling resistor (R02) or connected to the first sampling resistor (R01), the first sampling resistor (R01) is connected in series with the second sampling resistor (R02), the second sampling resistor (R02) is connected in series with the current limiting resistor (Rx), and the The current limiting resistor (Rx) is connected in series with the power supply 5, the power supply is connected in series with the temperature sensor 6 and the pressure sensor 7 connected in parallel, and is co...

Embodiment 2

[0017] The method of signal testing using the processing instrument of semi-conductive polymer material pressure and temperature sensor, when the program control adds forward voltage, the temperature sensor is connected, when the test environment temperature changes, the resistance value of the temperature sensor changes accordingly, and the series connection The voltage at both ends of the first sampling resistor and the second sampling resistor changes accordingly; when the voltage at both ends of the first sampling resistor and the second sampling resistor is less than or equal to the critical value set in the memory, the program control automatically converts the voltage at the two ends of the A / D converter to The signal line is connected to the upper end of the second sampling resistor (R02) to get the voltage across the first sampling resistor (R01) and the second sampling resistor (R02); when the voltage across the first sampling resistor and the second sampling resistor ...

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Abstract

The present invention relates to a semiconductive high-molecular material pressure and temperature sensor processing instrument and its signal test method. Said invented product includes memory, program ALU, A / D converter, program controller, sampling resistors, current-limiting resistors, temperature sensor, pressure sensor and power supply. Said invention also provides the concrete connection mode of them, and said invented product can be used for making downhole pressure and temperature detection of oil field submersible pump.

Description

Technical field: [0001] The invention relates to a processing instrument and signal test of a semiconductive polymer material pressure and temperature sensor. Background technique: [0002] At present, various sensors at home and abroad, including more than 25,000 kinds of sensors in the patent library, many of which are devoted to the improvement of the structure of the sensor, but the sensing material used in the traditional sensor has low sensitivity, and the obtained signal must pass the signal Enlarging can only be used, resulting in complex structure of the sensor, especially under the action of high temperature and high pressure, the test data offset phenomenon is serious, it is impossible to carry out precise testing in harsh environments or high temperature and high pressure, resulting in inaccurate monitoring data, other technical improvements Difficult to advance, therefore, the improvement of the sensor has become the focus of research in developed countries such...

Claims

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Application Information

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IPC IPC(8): G01L9/00G01K7/00G01D5/12G01D21/02E21B47/06E21B47/07
Inventor 范勇雷清泉王暄孙庆林杨春
Owner HARBIN UNIV OF SCI & TECH