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Gas detection sensor device

A sensor device, gas sensor technology, applied in the direction of material resistance, etc., can solve the problems of cost increase, operation difficulty, measurement time and labor increase, etc., and achieve the effect of low cost and easy operation

Inactive Publication Date: 2019-07-12
シャンハイレイユーグゥンチューメイホワンバオユウクジーヨウシェンゴンスー
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at the same time, there are various disadvantages such as an increase in cost, an increase in the size of the device, an increase in measurement time and labor, and an increase in the difficulty of operation.

Method used

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  • Gas detection sensor device
  • Gas detection sensor device
  • Gas detection sensor device

Examples

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Embodiment Construction

[0020] Such as figure 2 As shown, the gas detection sensor device 100 of this embodiment includes: a gas sensor 110, a measuring part 120, a calculating part 130, and an input and output part 160, wherein: the internal resistance of the gas sensor 110 changes according to the gas concentration, and the measuring part 120 measures the gas sensor The calculation part 130 calculates the detection result according to the gas concentration based on the measured value 120 of the measurement part, and displays and / or outputs to the external terminal 300 through the input and output part 160 .

[0021] The input and output part 160 includes at least one display part 150, and the display part 150 is used to display the measured value or the detection result.

[0022] In an embodiment, the measuring part 120 is further provided with a voltage divider circuit, and the voltage divider circuit is connected to each gas sensor 110 one by one, and the gas sensor 110 can change its internal r...

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Abstract

The invention discloses a gas detection sensor device, which comprises at least one gas sensor of which the internal resistance changes according to gas concentration, a measurement part, a calculation part and an input / output part, wherein the measurement part measures the output of the gas sensor, the calculation part calculates a detection result according to the gas concentration on the basisof the measurement value of the measurement part, and the input / output part displays and / or outputs the detection result to an external terminal. By use of the device, gas concentration change canbe quickly detected.

Description

technical field [0001] The invention relates to a technology in the field of environmental monitoring, in particular to a gas detection sensor device. Background technique [0002] Gas detection sensor devices are widely used in fields such as household propane gas detectors and automobiles, and are capable of detecting specific gases (chemical substances) contained in the atmosphere. In recent years, due to concerns about air pollution and chemical allergies, air cleaners and air conditioners have built in the same function. [0003] A semiconductor gas sensor is a type of gas sensor that is built into a gas detection sensor device and can detect gas concentration. Semiconductor gas sensors are widely used because they can support various gases by changing the composition of semiconductor elements, etc., and are low in cost. figure 1 The data in shows the sensitivity characteristics of semiconductor-based gas sensors. First measure the internal resistance R of the semico...

Claims

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Application Information

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IPC IPC(8): G01N27/04
CPCG01N27/04
Inventor 王必雷山口一朗
Owner シャンハイレイユーグゥンチューメイホワンバオユウクジーヨウシェンゴンスー
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