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High-precision carbon dioxide detection system based on buffer circuit

A carbon dioxide and buffer circuit technology, which is applied in logic circuit interface devices, logic circuit connection/interface layout, electrical components, etc., can solve the problems of high carbon dioxide price and low measurement accuracy, and achieve the effect of increasing the range and preventing damage

Inactive Publication Date: 2018-02-09
CHENGDU YUEXIANGXIANG TECH CO LTD
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

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 high-precision carbon dioxide detection system based on a buffer circuit

Method used

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  • High-precision carbon dioxide detection system based on buffer circuit
  • High-precision carbon dioxide detection system based on buffer circuit

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Embodiment

[0014] Such as figure 1 Shown, the present invention is mainly by carbon dioxide sensor H, amplifier P1, amplifier P2, display, triode VT1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, capacitance C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, snubber circuit and diode D1.

[0015] Wherein, one end of the resistor R1 is connected to the signal output end of the carbon dioxide sensor H, and the other end is connected to the base of the triode VT1 through the resistor R2. The positive pole of the capacitor C1 is connected to the junction of the resistors R1 and R2, and the negative pole is connected to the emitter of the triode VT1. The anode of the capacitor C2 is connected to the base of the transistor VT1, and the cathode is grounded. The resistor R3 is connected in series between the base and the emitter of the transistor VT1. One end of the resistor R4 is ...

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Abstract

The invention discloses a high-precision carbon dioxide detection system based on a buffer circuit. The high-precision carbon dioxide detection system is characterized by mainly comprising a carbon dioxide sensor H, an amplifier P1, an amplifier P2, a triode VT1, a display, a resistor R1 and the like, wherein one end of the resistor R1 is connected with a signal output end of the carbon dioxide sensor H and the other end of the resistor R1 passes through a resistor R2 and then is connected with a base electrode of the triode VT1. By using the high-precision carbon dioxide detection system, a carbon dioxide concentration signal in an environment can be collected; an interference signal in the signal is filtered; a detection signal is enabled to be cleaner; meanwhile, by using the high-precision carbon dioxide detection system, the detection signal can be also amplified; the amplitude of the detection signal is improved and in this way, the concentration of carbon dioxide in the environment can be precisely detected.

Description

technical field [0001] The invention relates to a detection system, in particular to a high-precision carbon dioxide detection system based on a buffer circuit. 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 defects of hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3504H03K19/0175H03F3/68H03H1/02
CPCG01N21/3504H03F3/68H03H1/02H03K19/017509
Inventor 王青松
Owner CHENGDU YUEXIANGXIANG TECH CO LTD
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