Abstract
Monitoring of carbon monoxide gas is an important reference for the monitoring system, to provide protection for the personal safety of the miners. This paper introduces the AT89S52 [1] single-chip microcomputer as the core design of carbon monoxide sensor, realizes the carbon monoxide gas concentration detection. The sensitive head electrochemical sensing original hardware circuit by the amplifier circuit, A / D conversion circuit, display circuit, alarm circuit, an infrared receiving circuit, and the DS18B20 temperature sensor and other components. With real-time monitoring of carbon monoxide sensors, anti-jamming and real-time display function, and through the infrared circuit design makes the operation more convenient, higher accuracy.
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