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Multifunctional PM2.5 detection system

A detection system and multi-functional technology, applied in the field of detection, can solve the problem of PM2.

Inactive Publication Date: 2019-06-04
沈阳益泰科信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the improvement of living standards and the acceleration of the pace of life, people are particularly concerned about the environment and time, and because the single function of PM2.5 detectors on the market cannot fully meet the needs of residents, a multi-functional PM2.5 detection system is designed for this purpose , the system can detect the concentration of PM2.5, set the concentration upper limit alarm, and has the function of real-time display of time and temperature, which is convenient for residents to understand the surrounding environment in real time

Method used

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  • Multifunctional PM2.5 detection system

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Embodiment Construction

[0016] Such as Figure 1-2 As shown, the present invention includes a single chip microcomputer, a temperature detection module, a clock circuit, an alarm circuit, an LCD liquid crystal display, a key control module, a PM2.5 detection module and an A / D conversion module.

[0017] The single-chip microcomputer is respectively connected with the temperature detection module, clock circuit, alarm circuit, LCD liquid crystal display, key control module and A / D conversion module; the A / D conversion module is connected with the PM2.5 detection module.

[0018] The temperature detection module includes a double-arm bridge, a differential integrated operational amplifier, a hysteresis comparator, and an alarm unit; the double-arm bridge includes a resistor R1 and a thermistor R2, and the hysteresis comparator includes a comparator U2 and U3; the voltage source VCC is grounded through the resistor R1 and the thermistor R2 in turn, and the node between the resistor R1 and the thermistor...

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Abstract

The invention belongs to the technical field of detection, and particularly relates to a multifunctional PM2.5 detection system. the multifunctional PM2.5 detection system has more powerful functions,is cheaper and easier to carry, facilitates the residents to keep abreast of the PM2.5 status of the surrounding environment and meets the daily needs of the residents. The multifunctional PM2.5 detection system comprises a single chip microcomputer, a temperature detecting module, a clock circuit, an alarm circuit, an LCD liquid crystal display, a button control module, a PM2.5 detecting moduleand an A / D conversion module, wherein the single chip microcomputer is connected with the temperature detecting module, the clock circuit, the alarm circuit, the LCD liquid crystal display, the key control module and the A / D conversion module respectively; and the A / D conversion module is connected with the PM2.5 detection module.

Description

technical field [0001] The invention belongs to the technical field of detection, in particular to a multifunctional PM2.5 detection system. Background technique [0002] Medical experts believe that hazy weather caused by fine particles is even more harmful to human health than sandstorms. Fine particulate matter refers to particulate matter in the ambient air with an aerodynamic equivalent diameter of ≤2.5 μm. These fine particles are also called fine particles, fine particles, PM2.5. The source of particulate matter is incomplete combustion, so as long as it is a tobacco product that relies on combustion, it will produce particulate matter that is seriously harmful, including burning gold paper, burning incense and burning mosquito coils. It can be suspended in the air for a long time, and the higher its concentration in the air, the more serious the air pollution. [0003] With the improvement of living standards and the acceleration of the pace of life, people are pa...

Claims

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Application Information

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IPC IPC(8): G01N15/06G01K7/24G04G21/02
Inventor 葛秋红
Owner 沈阳益泰科信息技术有限公司
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