1.Productselectionguide
1Productdefinition,basiccomposition,mainuse
MicrowaveDopplerdetector:microwaveemissionThereceivertransmitsmicrowavesignalstotheguardareathroughtheantenna.Whenthereisnomovingtargetintheguardarea,thefrequencyofthemicrowavesignalreceivedbythereceiveristhesameasthefrequencyofthetransmittedsignal.Whenthereisamovingtarget,duetotheDopplereffect,thefrequencyofthemicrowavesignalreflectedbythetargetwillshift,andthereceiverwillbeanalyzedtogenerateanalarmsignal.
2Keypointsofproductselectionandengineeringdesign
2.1Theselectionprincipleshouldconsiderthefollowingconditions:
1)Anti-interference;
2)Workingvoltage;
3)Workingtemperature;
4)Detectionrange;
5)Workingtemperature;
2.Constructionandinstallationpoints
1TheinstallationofthealarmcontrollershouldmeettherequirementsofGB10408.2-2000IntrusionDetectorPart2:IndoorUltrasonicDopplerDetectorStandardandProductManual.
2Theinstallationofthealarmcontrollershouldrefertotherelevantcontentofthestandarddrawing"SmartHomeControlSystemDesignandConstructionAtlas"03X602.