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Temperature-compensated carbon dioxide detection system based on signal damping

A carbon dioxide and temperature compensation technology, applied in the field of detection systems, can solve the problems of high price of carbon dioxide and low measurement accuracy, and achieve the effect of accurate detection and prevention of damage

Inactive Publication Date: 2018-02-16
CHENGDU YUEXIANGXIANG TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the defects of high price and low measurement accuracy of the current method for detecting carbon dioxide, and provide a temperature-compensated carbon dioxide detection system based on signal buffering

Method used

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Embodiment

[0015] Such as figure 1 Shown, the present invention is mainly by carbon dioxide sensor H, triode VT1, amplifier P1, amplifier P2, display, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance Composed of R10, capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, diode D1, diode D2, snubber circuit and diode D3.

[0016] Wherein, the positive pole of the capacitor C1 is connected to the collector of the triode VT1, and the negative pole is grounded. The resistor R1 is connected in series between the collector and the base of the transistor VT1. The P pole of the diode D1 is connected to the base of the triode VT1, and the N pole is grounded after passing through the resistor R2. One end of the resistor R3 is connected to the emitter of the transistor VT1, and the other end is grounded. One end of the resistor R4 is connected to the collector of the triode VT1, and th...

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Abstract

The invention discloses a temperature-compensated carbon dioxide detection system based on signal buffering, which is characterized in that it is mainly composed of a carbon dioxide sensor H, an amplifier P1, an amplifier P2, a triode VT1, a display, the positive electrode is connected to the collector of the triode VT1, and the negative electrode is grounded Capacitor C1 and so on. The present invention can collect the carbon dioxide concentration signal in the environment, and filter the interference signal in the signal to make the detection signal cleaner. At the same time, the present invention can also amplify the detection signal and increase the amplitude of the detection signal, so that accurate detection can be achieved The concentration of carbon dioxide in the environment. The invention has a temperature compensation function, which can compensate the error caused by the change of ambient temperature, so that the invention can detect the concentration of carbon dioxide more accurately.

Description

technical field [0001] The invention relates to a detection system, in particular to a temperature-compensated carbon dioxide detection system based on signal buffering. Background technique [0002] With the progress of human society and the development of science and technology, people's living standards have been rapidly improved, and the scale of industrial production has also rapidly expanded, but at the same time it has led to a double increase in carbon dioxide emissions, such as the greenhouse effect and the acceleration of land desertification. It affects and destroys the living environment of human beings. In recent years, with the enhancement of people's awareness of environmental protection, people have begun to control the environment. In the process of treatment, carbon dioxide needs to be detected. At present, the methods for detecting carbon dioxide mainly include chemical methods, gas chromatography, and volumetric titration methods. These methods The defec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3504H03F3/68H03F1/26H03H5/02H03K19/0175
CPCG01N21/3504H03F1/26H03F3/68H03H5/02H03K19/017545
Inventor 王青松
Owner CHENGDU YUEXIANGXIANG TECH CO LTD
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