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摘要伴随着全国经济水平的高速发展和人们生活水平的日益升高，煤气等燃气工业产品也都普及全国，进入了寻常百姓家，这在改善人们生活的同时也给人们的生命财产带来的威胁，比如煤气泄漏，中毒甚至爆炸等等。
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为了解决这些潜在的威胁，更好的保障人们的生命与财产安全，煤气与天然气泄漏报警器便应运而生，成为人们解决煤气、天然气泄漏问题的关键。该煤气与天然气泄漏报警器是以传感器与单片机为基础的电路设计，传感器随着煤气、天然气的浓度的变化而变化，当室内浓度达到一定值时，检测模块便产生电信号，经线性电路补偿、程序控制、单片机处理信号、逻辑处理等等，之后将信号送往报警器，报警器发光并且发生鸣叫。因此该系统具有数据采集、对象控制、发光报警、显示结果等完备的功能。19373
关键字： 煤气与天然气泄漏 传感器 单片机 报警器
毕业论文设计说明书（论文）外文摘要
Title Indoor coal gas and natural gas leakage alarm system design
Abstract
Along with the high-speed development of national economy and people living standard rise increasingly, gas and other gas industrial products are popular all over the country, into the ordinary people, this to improve people's lives and at the same time it brings threat to people's life and property, such as gas leakage, poisoning and explosion, and so on.
In order to solve these potential threats, better people's lives and property security, coal gas and natural gas leak alarm arises at the historic moment, become the key to solve the problem of coal gas and natural gas. The coal gas and natural gas leak alarm circuit design is based on the sensor and MCU, sensors as the change of the concentration of the gas, natural gas, when indoor concentration reaches a certain value, the detection module to produce electrical signals, the linear compensation of circuit and the control, single chip, logic signal processing, etc., to transmit the signal to alarm after alarm light and sing. So the system has data acquisition, object control, light alarm, and display the results fully functional.
Key words: coal gas and natural gas leak sensor MCU alarm
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