█Gabatarwa
Yin amfani da firikwensin ultrasonic a matsayin mai watsawa da mai karɓa, mai watsawa yana fitar da daidaitaccen igiyar ultrasonic amplitude zuwa yankin da aka gano kuma mai karɓa yana karɓar raƙuman ultrasonic mai haske, lokacin da babu wani abu mai motsi a cikin yankin da aka gano, hasken ultrasonic da aka nuna yana da girman girman daidai. . Lokacin da akwai wani abu mai motsi a cikin wurin ganowa, girman girman igiyoyin ultrasonic da ke nunawa ya bambanta kuma yana canzawa akai-akai, kuma da'irar mai karɓa tana gano alamar canzawa don sarrafa da'irar don amsawa, wato, don fitar da ƙararrawa.
Ƙararrawar ɗan fashi na Ultrasonic
█Working ka'idar ultrasonic anti-sata ƙararrawa
Dangane da tsarinsa da hanyoyin shigarwa sun kasu kashi biyu: ɗaya shine shigar da na'urori biyu na ultrasonic transducers a cikin gidaje guda, wato transceiver da transmitter hade nau'in, ka'idar aikinsa ta dogara ne akan tasirin Doppler na igiyoyin sauti, kuma wanda aka sani da nau'in Doppler. Lokacin da babu wani abu mai motsi da ya shiga wurin da aka gano, raƙuman ruwa na ultrasonic da ke haskakawa suna da girman girman daidai. Lokacin da abu mai motsi ya shiga wurin da aka gano, duban gani na duban dan tayi yana da girman girmansa kuma yana canzawa koyaushe. The makamashi filin rarraba na emitted duban dan tayi yana da wani directionality, kullum ga shugabanci- fuskantar yankin a cikin wani elliptical makamashi filin rarraba.
Dayan kuma shi ne na’urorin da ake sanya su biyu a wurare daban-daban, wato karba da watsa nau’in tsaga, wanda aka fi sani da mai gano sautin sauti, mai watsa shi da na’urar daukar nauyinsa galibi ba su da shugabanci (wato omnidirectional) transducer ko nau’in transducer nau’in rabin-way. Mai jujjuyawar da ba ta shugabanci ba yana samar da tsarin rarraba wutar lantarki na hemispherical kuma nau'in nau'in juzu'i yana samar da tsarin rarraba wutar lantarki na conical.
Doppler nau'in ka'idar aiki
█Misalin da'irar watsa siginar igiyar ruwa mai ci gaba ta ultrasonic.
Misalin da'irar watsa siginar igiyar ruwa mai ci gaba ta ultrasonic
█Wuraren da ake amfani da su don ƙararrawar sata.
Masu binciken Ultrasonic waɗanda zasu iya gano abubuwan motsi suna da nau'ikan aikace-aikace masu yawa, alal misali, buɗe kofa ta atomatik da ganowa da sarrafawa; masu farawa na ɗagawa ta atomatik; Halayen wannan na'urar gano ƙararrawa, da dai sauransu. Halayen wannan na'urar shine cewa zai iya yin hukunci ko akwai dabbobin mutane masu aiki ko wasu abubuwa masu motsi a cikin yankin da aka gano. Yana da babban kewayar sarrafawa da babban abin dogaro.
Lokacin aikawa: Dec-19-2022