Intelligent memory type gas leakage alarming control device

Abstract

The invention provides an intelligent memory type gas leakage alarming control device, which comprises a microcontroller, a power module, an alarming module, a memory, a built-in gas-sensing detector and a detector amplification circuit, wherein the alarming module and the memory are connected with the microcontroller; the built-in gas-sensing detector is connected with the microcontroller through the detector amplification circuit; and the power module is respectively connected with the alarming module, the microcontroller and the detector amplification circuit. A debugging process for the intelligent memory type gas leakage alarming control device is simple, the intelligent memory type gas leakage alarming control device is low in production cost and high in alarming accuracy and stability, and environmental pollution is reduced.

Description

Technical field: [0001] The invention relates to an intelligent memory gas leakage alarm control device. Background technique: [0002] At present, the known gas leakage alarm control devices generally adopt an analog circuit structure, which is realized according to the characteristic that the resistance value of the gas sensor will change when it is exposed to combustible gases of different concentrations. The gas sensor and a variable resistor are respectively Connected to the two input terminals of the comparator, by comparing the voltages of the two input terminals of the comparator, a high-level or low-level alarm signal is issued. This gas leakage alarm control device can adjust the resistance of the variable resistor to adjust the combustible gas The alarm concentration is the lowest explosive concentration (LEL) of flammable gases in air. This requires that the adjusted resistance of the variable resistor just meets 10% of the minimum explosive concentration of the...

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Problems solved by technology

[0003] First, the process of debugging the alarm concentration is complex and cumbersome, the product production speed is slow, the product output is low, and the production cost is increased

[0004] Second, it seriously affects the environment. During the entire debugging process, the gas in the container must be discharged once every time it is debugged, and then inject combustible gases such as methane, propane, hydrogen, etc. into the container of gas concentration adjustment from 0 concentration again, until The product can correctly reach the alarm at the standard alarm concentration, which is the end of the debugging. Due to repeated adjustments and multiple discharges of combustible gases directly into the atmosphere, more and more gas will accumulate on the earth's surface and atmosphere Combustible gases, these combustible gases will directly endanger the health of organisms and human beings, and aggravate the global greenhouse effect

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