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1、大學(xué)本科生畢業(yè)設(shè)計(jì)（論文）本科生畢業(yè)論文畢業(yè)論文題目無線多功能火災(zāi)報(bào)警器的設(shè)計(jì)與實(shí)現(xiàn)學(xué)生姓名所在學(xué)院專業(yè)及班級(jí)指導(dǎo)教師完成日期無線多功能火災(zāi)報(bào)警器的設(shè)計(jì)與實(shí)現(xiàn)43大學(xué)本科生畢業(yè)設(shè)計(jì)（論文）摘要隨著現(xiàn)代家庭用電量、用火正在逐年的增加，家庭火災(zāi)發(fā)生的頻率也越來越高，無線多功能火災(zāi)報(bào)警器也隨之被廣泛應(yīng)用于各種場(chǎng)合。本課題所研究的無線多功能火災(zāi)報(bào)警器采用STC89C51為核心控制器，根據(jù)不同火情選擇多款適宜的火災(zāi)傳感器，本課題中采用的是溫度傳感器DS18B20、氣體傳感器MQ-2、自制的煙霧傳感器等。通過這些傳感器，當(dāng)環(huán)境中溫度、煙霧濃度
2、、可燃?xì)怏w濃度等發(fā)生變化時(shí)系統(tǒng)會(huì)發(fā)出燈光報(bào)警信號(hào)，以此來實(shí)現(xiàn)有線報(bào)警，并在有線報(bào)警器的基礎(chǔ)上加進(jìn)無線通信模塊，從而實(shí)現(xiàn)無線報(bào)警，讓人們及時(shí)發(fā)現(xiàn)火災(zāi)。關(guān)鍵詞：溫度傳感器DS18b20；氣體傳感器MQ-2；火災(zāi)報(bào)警；無線數(shù)傳AbstractAlongwiththemodernhomewithelectricity,fireconsumptionincreases,thefrequencyofhomefiresisgettinghigherandhigher.Thefire-alarmhavealsobeenwidelyusedinva
3、riousoccasions.43大學(xué)本科生畢業(yè)設(shè)計(jì)（論文）Inthispaper,wirelessmulti-functionfirealarmusingSTC89C51ascorecontroller.Experimentsprovedthatthisdetectorcandetectfireincomplexsurroundingsthroughreplacementofdifferentsensorswithveryhighreliability.Inthispaper,weusedsuchastemperaturesen
4、sorDS18B20,gassensorMQ-2,smokesensorwhichwemadeitbyourselves.Throughthesesensors,whenthetemperature,smokeconcentration,combustiblegasconcentrationchangesintheenvironment,systemwillgiveoutsoundandalarmsignaltolineatealarm,andthewirelessfire-alarmisbasisonthelineatealar
5、mthataddedwirelesscommunicationmodule.Forthisreason,peoplecandiscoverfireassoonaspossible.Keywords:temperaturesensorDS18b20;gassensorMQ-2;firealarm;wirelessdigitaltransmission目錄摘要..............................................................1Abstract..................
6、.........................................21緒論...........................................................41.1課題的研究背景.............................................443大學(xué)本科生畢業(yè)設(shè)計(jì)（論文）1.2課題的研究目的與意義.......................................41.3火災(zāi)報(bào)警器的發(fā)展與現(xiàn)狀.........................
7、............51.4課題的研究?jī)?nèi)容.............................................62火災(zāi)報(bào)警器的總體方案設(shè)計(jì).......................................62.1系統(tǒng)的功能要求..............................................62.2系統(tǒng)的技術(shù)要求..............................................72.3系統(tǒng)的組成及方案設(shè)計(jì)...................
8、.....................83系統(tǒng)的硬件設(shè)計(jì).................................................103.1溫度探測(cè)電路的設(shè)計(jì)...............................
