本文選題：檢測模塊 + 火災(zāi)煙霧報(bào)警器　； 參考：《現(xiàn)代電子技術(shù)》2017年23期

【摘要】：目前大多數(shù)火災(zāi)煙霧報(bào)警器都是由火災(zāi)煙霧傳感器和火災(zāi)煙霧探測芯片組成,煙霧探測芯片通過對接收到的傳感器信號進(jìn)行處理分析,從而判定是否有火災(zāi)發(fā)生,這種方法雖然結(jié)構(gòu)簡單但反應(yīng)慢,存在誤報(bào)和漏報(bào)等問題。為此提出一種單片機(jī)的火災(zāi)煙霧報(bào)警器設(shè)計(jì)方法。首先,設(shè)計(jì)監(jiān)測CO濃度、煙霧濃度以及溫度變化的傳感器,用A/D轉(zhuǎn)換電路將傳感器檢測信息轉(zhuǎn)換成單片機(jī)可處理的數(shù)字信號,通過ZigBee無線通信技術(shù)將單片機(jī)處理過的信號傳輸?shù)交馂?zāi)煙霧報(bào)警器控制服務(wù)器模塊,完成博物館內(nèi)火災(zāi)煙霧報(bào)警器硬件設(shè)計(jì)。利用連續(xù)概率模型對采集獲得的溫度、煙霧和CO濃度信息進(jìn)行分析處理,由此完成博物館內(nèi)火災(zāi)煙霧報(bào)警器設(shè)計(jì),提高火災(zāi)報(bào)警的準(zhǔn)確性和及時(shí)性。通過仿真實(shí)驗(yàn)證明,所提方法能夠有效提高報(bào)警器報(bào)警的準(zhǔn)確性和及時(shí)性,能夠快速地反應(yīng)整個火災(zāi)概率過程,并給出預(yù)警、報(bào)警信號,符合博物館的使用條件,具有良好的使用價(jià)值。
[Abstract]:At present, most fire smoke alarms are made up of fire smoke sensors and fire smoke detection chips. The smoke detection chips process and analyze the received sensor signals to determine whether there is a fire or not. Although the structure of this method is simple, the reaction is slow, and there are some problems such as false positives and omissions. In this paper, a design method of fire smoke alarm based on single chip microcomputer is presented. First of all, a sensor is designed to monitor the change of CO concentration, smoke concentration and temperature. The detection information of the sensor is converted into a digital signal which can be processed by a single chip microcomputer. The signal processed by single chip computer is transmitted to the control server module of fire smoke alarm by ZigBee wireless communication technology, and the hardware design of fire smoke alarm in museum is completed. The continuous probability model is used to analyze and process the collected information of temperature, smoke and CO concentration, thus the design of fire smoke alarm in museum is completed, and the accuracy and timeliness of fire alarm are improved. The simulation results show that the proposed method can effectively improve the accuracy and timeliness of alarm, can quickly reflect the whole process of fire probability, and gives the warning signal and alarm signal, which conforms to the conditions of use in the museum. It has good use value.
【作者單位】： 河南博物院;
【分類號】：TP277;TU892

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