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Jiangsu AQZ Special Vehicle Equipment Co., Ltd.
JiangSu AnQiZheng Fire Fighting Equipment Co,Ltd. 苏ICP备19011937号-1 Powered by www.300.cn Yangzhou
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2018-12-25
Winter fire safety common sense to learn! Preventing from "burning"!
2018-12-25
Winter fire safety common sense to learn! Preventing from "burning"!
Thedrynessofthesky,carefulfire,thewisdomoftheancientstellsusthatthemostimportantthingtoignoreinthewinterisfiresafety.Thenextfiresafetyknowledge,wemusttakeagoodlook!HouseholdappliancesarefaultyandcausefireWhenusingappliancessuchasinductioncookers,electricblankets,andelectricirons,itisnecessarytoavoidfirescausedbydamagetothewirescausedbyagingofthelinesandfrequenthandling.LitteringcigarettescancausefireDonotthrowcigarettebuttsandmatchsticksinthewastepaperbasketorcombustibles.Donotsmokeinbedoronthesofa.Fireworksandfirecrackerscancausefires

2018-12-25
These years your fire knowledge blind spot!
2018-12-25
These years your fire knowledge blind spot!
Inrecentyears,thefiredepartmenthasorganizedalotofpublicitytrainingfordifferentobjectsinvariousindustries.However,duringthetrainingprocess,manypeoplestillhavemanymisunderstandingsaboutfireprotectionknowledge.Let'scrackitwithXiaoxiao!Misunderstanding1:Somepeoplethinkthatthealarmorthefiretruckischarged.Xiaoxiaoreminder:Ifyouhaveafire,pleasecallthe“119”firealarm.Thefiredepartmentwillnotchargeforthepolice.Misunderstanding2:Somepeoplewhohaveafiretaketheirownfirstsave,thereisnowaytoputoutthefiretoreportthefire.Xiaoxiaoreminder:Oncethefireisdiscovered,itisnecessarytocallthepoliceatthefirsttime.Myth3:Somepeoplethinkthatyoucan'tshakeupanddownbeforeusingadrypowderfireextinguisher,otherwisethefireextinguisherwillexplode.Xiaoxiaoreminder:Normaldrypowderfireextinguishercanbeshakenbeforeuse,sothatthedrypowderinthecylindercanbeloosenedandeasilysprayedout.Theexpiredfireextinguishercylinderwillbethinnedbycorrosion,andafterasunexposure,aslightbumpmaycauseanexplosion.Myth4:Somepeoplethinkthatwhenusingafireextinguisher,itcanbepointedtotheoutsideorthemiddleoftheflame.Tip:Pleasepointthefireextinguisherattherootoftheflametoextinguishthefire.Otherwise,itwillonlywastetherescuetimeandfireextinguisher.Myth5:Escapetheelevatorfasterintheeventofafire.Asmallreminder:intheeventofafire,therewillbeapoweroutage,suchaspeoplewhoaretrappedintheelevatorwillbetrapped.Pleaseevacuatefromthestairs.

2018-12-25
Talking about the False Reporting Phenomenon and Improvement Method of Fire Detector
2018-12-25
Talking about the False Reporting Phenomenon and Improvement Method of Fire Detector
First,theworkingprincipleoffiredetector Firedetectorsareanimportantpartofthebuildingfirealarmsystem,alsoknownasprobesorsensitiveheads.Itsmissionistodetecttheoccurrenceofafire,sendafiresignaltothealarmsystem,andalertpeople.Howdoesthedetectordetectthefire?Whenafireoccurs,smoke,flameorhightemperaturewillinevitablyoccur.Thedetectorissensitivetothese.Itwillchangethenormalstateduetocontactwiththem,causingchangesordisplacementsofcurrent,voltageormechanicalparts.Duringthetransmissionprocess,afiresignalissenttothefirecontrolroom,andthelocationandlocationofthefirearedisplayed.Accordingtothissituation,weclassifyfiredetectorsintothreecategories:smoke,temperature,andlight. 1,smokedetector Oneisanionizedsmokedetectorthatinterfereswiththenormaloperationofchargedparticles,causescurrentandvoltagechanges,anddestroysthebalancebetweentheinternalandexternalionizationchambers.Thesensorgeneratesanalarmsignal;theotherisaphoto-sensingdetector,whichhasalight-emittingelementandalight-sensitiveelement.Thelightnormallyemittedbythelight-emittingelementisincidentonthephotosensitiveelementthroughthelens,andthecircuitremainsnormal,ifsmokeispresent.Blocking,thelightreachingthephotosensitiveelementissignificantlyweakened,sothephotosensitiveelementconvertsthechangeofthelightintensityintoachangeofthecurrent,andsendsanalarmsignalthroughtheamplifyingcircuit;andtheotherisapipe-suckingsmokedetector,passingthesmokeThereflectionorscatteringactionproducesaphoto-sensitivecurrentthatisprimarilyusedonships.Thiskindofdetectorusessemiconductorcomponents,whichissmallinsize,lowinprice,stronginshockresistanceandlonginlife.Ithasgreatdevelopmentprospects. 2,temperaturedetectorOneistheuseofmetalthermalexpansionandcontractioncharacteristics:undernormalcircumstances,thedetectorcircuitisinanopenstate,whentheambienttemperaturerisestoacertainvalue,themetalexpandsandextendstomakethecircuitconnected,signaling;Thekindusesacharacteristicoffusiblemetaltofixalow-meltingpointalloyinthedetectorcircuit.Whenthetemperaturerisestoitsmeltingpoint,themetalmelts,andthecontactforceismadebytheforceofthespring,thecircuitisconnected,andanalarmisissued.signal.Thereisalsoatemperaturedifferencetypethatsensesanalarmwhentherateoftemperatureriseexceedsacertainvalue. 3,opticalradiationdetectorOneisaninfraredlightradiationdetector.Whenthesubstanceisburning,itwillproduceflickeringinfraredradiation.Theleadsulfideinfraredphotosensitiveelementinthedetectorwillsensethisandgenerateanelectricsignal,whichwillbealarmedafteramplification.Theotheristheultravioletradiationdetector,whichisutilized.Theultravioletlightgeneratedwhentheorganiccompoundisburnedcausestheelectrodeoftheultravioletlightsensitivetubetoexciteions,andthecircuitisalarmedbyarelayorthelike. Second,thetechnicalstatusanddevelopmentoffiredetectionsystems 1.StatusoftechnologySincethereformandopeningup,withtherapiddevelopmentofeconomicconstructionandfireprotection,China'sfireprotectionindustryhasenteredaperiodofvigorousdevelopment.China'sfire-fightingelectronicsindustryispartofChina'sfireprotectionindustry,anditisalsoapartofthehighertechnologygoldcontent,anditisalsothefastest-growingpart.Thegeneral-purposegeneralfirealarmequipmentcanbeproducedinternationally.Facingthedevelopmentopportunitiesofhightechnologyandtheinternationalcompetitioninthedomesticmarket,fireprotectionproductshavedevelopedintomorereliable,intelligentandnetworkedearlyfiredetectionandalarmtechnologies.Thefirstdifferencebetweenthetraditionalfirealarmsystemandthemodernfirealarmsystemismainlytheperformanceofthedetectoritself.Theswitchdetectorischangedtoaqualitativeleapontheanalogsensor,andthesmokeconcentration,therisingrateorothersensingparametersaretransmittedtothecontrollerinanalogvalues,sothatthesystemdeterminesthatthedataprocessingcapabilityandthedegreeofintelligenceofthefirearegreatlyincreased.Reducetheprobabilityoffalsealarms.Theseconddifferenceisthatthesignalprocessingmethodhasbeencompletelyimproved,thatis,theanalogsignalinthedetectoriscontinuouslysenttothecontrollerforevaluationorjudgment,andthecontrollerusesanappropriatealgorithmtoidentifythefalseorrealfirealarm,judgethedegreeofdevelopmentanddetectthestateofcontamination.Thishigherqualitysignalprocessingtechnologymeansthatthesystemhasahigher"intelligence".Increasingsystemreliabilityisthedevelopmentdirectionofmodernfiredetectionandalarmtechnology.Intelligentfiredetectionandalarmsystemcanbedividedintothreetypesaccordingtoitsintelligentdistribution:detectionintelligence,second,monitoringintelligence,andthird,detectionintelligenceandcontrolintelligence.Thelatterisamoreintelligentsystemwithhigherreliability,butthedisadvantageishighcost. 2.DevelopmentprospectsTheexpectationfortheautomaticfirealarmsystemisthatitfirstrequiresthesystemtodetectthefireearly,andsecondlyeliminatesthefalsealarmandlowersthecostofthesystem.Thefireintelligentalarmsystemmayeventuallydeveloparoboticintelligentalarmsystem.Therapiddevelopmentofmodernfirealarmsystemsontheotherhandistheemergenceofcompositedetectorsandavarietyofnewdetectors,andthedetection