Menene bambance-bambance tsakanin mita matakin ultrasonic da radar matakin mita?

Mataki yana ɗaya daga cikin mahimman sigogin manufa na sa ido kan tsarin masana'antu.A cikin ci gaba da ma'auni na tankuna daban-daban, silos, wuraren waha, da dai sauransu, yana da wahala a sami kayan aikin matakin da za su iya saduwa da duk yanayin aiki saboda yanayin yanayi iri-iri.

Daga cikin su, radar da ultrasonic matakin ma'auni ana amfani da su sosai a cikin kayan auna marasa lamba.Don haka, menene bambancin radar matakin mita da ultrasonic matakin mita?Menene ka'idar waɗannan nau'ikan ma'auni guda biyu?Menene fa'idodin mitar matakin radar da mitar matakin ultrasonic?

Na farko, ultrasonic matakin mita

Kullum muna kiran igiyoyin sauti tare da mita fiye da 20kHz ultrasonic kalaman, ultrasonic kalaman wani nau'i ne na inji, wato, vibration na inji a cikin matsakaici na roba a cikin tsarin yaduwa, ana kwatanta shi da mita mai girma, gajeren zango, ƙarami. al'amarin diffraction, da kuma kyakkyawan shugabanci, na iya zama haske da yaduwa mai jagora.

Ultrasonic attenuation a cikin taya da daskararru ne kadan, don haka shigar azzakari cikin farji ikon ne da karfi, musamman a cikin haske opaque daskararru, ultrasonic iya shiga dubun mita a tsawon, gamu da ƙazantar ko musaya za su sami gagarumin tunani, ultrasonic matakin ma'auni ne da amfani da ta. wannan siffa.

A cikin fasahar gano ultrasonic, ko da wane nau'in kayan aiki na ultrasonic, ya zama dole don canza makamashin lantarki zuwa hasken ultrasonic, sannan a sake dawowa cikin siginar lantarki, na'urar don kammala wannan aikin ana kiranta ultrasonic transducer, wanda kuma aka sani da bincike.

Lokacin aiki, ana sanya transducer na ultrasonic sama da abin da aka auna kuma yana fitar da igiyoyin ultrasonic zuwa ƙasa.Ruwan ultrasonic yana wucewa ta matsakaicin iska, yana nunawa baya lokacin da ya hadu da saman abin da aka auna, kuma mai jujjuyawar yana karɓa kuma ya canza zuwa siginar lantarki.Bayan gano wannan siginar, sashin ganowa na lantarki yana juya shi zuwa siginar matakin don nunawa da fitarwa.

Biyu, radar matakin mita

Yanayin aiki na mitar matakin radar daidai yake da na na'urar matakin ultrasonic, kuma ma'aunin matakin radar yana amfani da watsawa - tunani - yanayin karɓar aiki.Bambance-bambancen shine ma'aunin mitar matakin radar ultrasonic ya dogara ne akan na'urar transducer na ultrasonic, yayin da mitar matakin radar ya dogara da babban mitar kai da eriya.

Matakan matakin Ultrasonic suna amfani da igiyoyin ruwa na inji, yayin da matakan radar ke amfani da mitoci masu girman gaske (da yawa G zuwa dubun G Hertz) igiyoyin lantarki.Raƙuman wutar lantarki suna tafiya a cikin saurin haske, kuma lokacin tafiya ana iya canza shi zuwa siginar matakin ta hanyar kayan lantarki.

Wani mitar matakin radar gama gari shine mitar matakin radar mai jagora.

Mitar matakin matakin radar mai jagora shine mitar matakin radar wanda ya dogara da ƙa'idar yankin lokaci (TDR).Ƙunƙarar bugun jini na mitar matakin radar yana yaduwa tare da kebul na karfe ko bincike a saurin haske.Lokacin da ya ci karo da saman matsakaicin da aka auna, ɓangaren bugun jini na mitar matakin radar yana nunawa don samar da amsawa kuma ya koma na'urar ƙaddamar da bugun jini tare da wannan hanya.Nisa tsakanin mai watsawa da ma'aunin matsakaiciyar matsakaici ya yi daidai da lokacin yaduwa na bugun jini lokacin da ake ƙididdige tsayin matakin ruwa.

Na uku, abũbuwan amfãni da rashin amfani na radar da ultrasonic matakin mita

1. Ultrasonic daidaito ba shi da kyau kamar radar;

2. Saboda alaƙar da ke tsakanin mita da girman eriya, mitar matakin radar tare da mitar mafi girma ya fi karami da sauƙi don shigarwa;

3. Saboda mitar radar ya fi girma, tsayin raƙuman ya fi guntu, kuma akwai mafi kyawun tunani akan filaye masu ƙarfi;

4. Radar ma'aunin makafi yana da karami fiye da ultrasonic;

5. Saboda mafi girman mitar radar, radar beam Angle yana da ƙananan, makamashi yana da hankali, kuma ana haɓaka ƙarfin amsawa yayin da yake da kyau don kauce wa tsangwama;

6. Idan aka kwatanta da ultrasonic matakin mita ta yin amfani da inji tãguwar ruwa, radar ne m ba shafi injin, ruwa tururi a cikin iska, ƙura (sai graphite, ferroalloy da sauran high dielectric kura), zazzabi da kuma matsa lamba canje-canje;