Wireless natural gas detector
A technology for natural gas and detectors, applied in the field of detectors, can solve problems such as hidden dangers to the personal safety of detectors, and achieve the effect of long distances
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[0016] Such as figure 1 As shown, the wireless natural gas detector of the present invention is mainly composed of a microcontroller, a gas sensor, a power supply, a display, an alarm, a storage and a wireless receiving circuit connected to the microcontroller, and A connected to the gas sensor. / D conversion chip, and a wireless transmitting circuit connected with the A / D conversion chip; the wireless transmitting circuit is connected with the wireless receiving circuit through a wireless network.
[0017] Among them, the gas sensor adopts the MD61 type natural gas sensor produced by Shanghai Meisi Electronic Technology Co., Ltd., which has high sensitivity, long life and low cost. The A / D conversion chip is used to convert the analog signal output by the gas sensor into a digital electrical signal, and the ADC0809 type A / D conversion chip is preferred. The EOC pin of the ADC0809 type A / D conversion chip and the output terminal of the gas sensor The ALE pin is co...
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