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1、详解监控系统1.whatissecuritymonitoringsystem?Securitymonitoringsystemusesopticalfiber,coaxialcableormicrowavetotransmitvideosignalsinitsclosedloop,andfromthecameratotheimagedisplayandrecordingtoformanindependentandcompletesystem・Itcanreal-timeimage,andtrulyreflecttheobjectbeingmonitored,notonlygreatlyext
2、endsthehumaneyeobservationdistance,andexpandthefunctionofthehumaneye,itcanbeinthebadenvironmentinsteadofartificiallongtimemonitoring,peoplecanseeallmonitoredtheactualscene,andthroughvideorecording.Atthesametime,thealarmsystemequipmentforillegalinvasionalarm,thealarmmodel,enterthealarmhost,alarmhost
3、triggermonitoringsystemrecordingandrecording・Constitutionofsecuritymonitoringsystem:Thefrontpart:thefrontendtocompletetheshootingofanalogvideo,thedetectoralarmsignalgeneration,PTZ,protectivecovercontrol,alarmoutputandotherfunctions・Mainlyinclude:camera,zoomlens,infrareddetector,outdoordualdetector,
4、temperatureandhumiditysensors,PTZ,shield,decoder,lightsandsirenandotherequipment(equipmentaccordingtotheactualneedsoftheuser'sconfiguration).Thecamerausesthebuilt-inCCDandauxiliarycircuittophotographthesceneasanalogvideosignal,whichistransmittedbycoaxialcable・Theelectriczoomlenswillzoominandoutthes
5、cene,andrealizetheopticaladjustmentoftheaperture,focusingandsoon.Temperatureandhumiditysensorscandetecttemperatureandhumidityintheenvironment,soastoensureagoodphysicalenvironmentinside・Thepanheadandtheshieldprovideasuitableworkingenvironmentforthecameraandthelens,andrealizethehorizontalandverticala
6、djustmentoftheshootingangle・Thedecoderisthecoredeviceofpanheadandlenscontrol.Throughthis,itcanrealizetheuseofmicrocomputerinterface,andcontrolthelensandpanheadthroughsoftware・Transmissionpart:thetransmissionpartismainlymadeupofcoaxialcable・Thetransmissionpartrequiresreal-timetransmissionoftheimagec
7、apturedbythefront-endcamera,andrequiresthetransmissiontohaveasmalllossandreliabletransmissionquality,andtheimagecanbeclearlyrestoredanddisplayedinthevideocontrolcenter・Controlpart:thispartisthecoreofsecurit
