Izinga lingenye yezindlela ezibalulekile zokuqapha inqubo yezimboni. Ekulinganisweni kwezinga okuqhubekayo kwamatangi ahlukahlukene, ama-silo, amachibi okubhukuda, njll., kunzima ukuba namathuluzi alinganayo angahlangabezana nazo zonke izimo zokusebenza ngenxa yezinhlobonhlobo zezimo zasensimini.
Phakathi kwazo, ama-radar kanye nama-ultrasonic level gauges asetshenziswa kabanzi ezinsimbini zokulinganisa ezingathintani. Ngakho-ke, uyini umehluko phakathi kwe-radar level meter kanye ne-ultrasonic level meter? Iyini isimiso salezi zinhlobo ezimbili zokulinganisa? Yiziphi izinzuzo ze-radar level meter kanye ne-ultrasonic level meter?
Okokuqala, imitha yezinga le-ultrasonic
Ngokuvamile sibiza igagasi lomsindo ngemvamisa engaphezu kwama-20kHz amagagasi e-ultrasonic, igagasi le-ultrasonic liwuhlobo lwamagagasi omshini, okungukuthi, ukudlidliza komshini endaweni yokunwebeka enkambisweni yokusabalala, libonakala ngemvamisa ephezulu, ubude obufushane, into encane yokusabalalisa, kanye nokuqondisa okuhle, kungaba ukusabalala kwemisebe nokuqondisa.
Ukuncishiswa kwe-Ultrasonic koketshezi nezinto eziqinile kuncane kakhulu, ngakho-ke ikhono lokungena liqinile, ikakhulukazi ezintweni eziqinile ezingabonakali kahle, i-ultrasonic ingangena amashumi amamitha ubude, ihlangane nokungcola noma izixhumanisi zizoba nokukhanya okuphawulekayo, ukulinganiswa kwezinga le-ultrasonic ukusetshenziswa kwalesi sici.
Kubuchwepheshe bokuthola i-ultrasonic, kungakhathaliseki ukuthi hlobo luni lwethuluzi le-ultrasonic, kuyadingeka ukuguqula amandla kagesi abe ukukhishwa kwe-ultrasonic, bese ukwamukela emuva kube amasignali kagesi, idivayisi yokuqedela lo msebenzi ibizwa ngokuthi i-ultrasonic transducer, eyaziwa nangokuthi i-probe.
Uma isebenza, i-transducer ye-ultrasonic ibekwa ngaphezu kwento elinganisiwe bese ikhipha igagasi le-ultrasonic phansi. Igagasi le-ultrasonic lidlula endaweni yomoya, libuye libonakale uma lihlangana nobuso bento elinganisiwe, bese lamukelwa yi-transducer bese liguqulwa libe yisignali kagesi. Ngemva kokuthola lesi signali, ingxenye yokuthola i-electronic iyiguqula ibe yisignali esezingeni lokubonisa nokukhipha.
Okubili, imitha yezinga le-radar
Imodi yokusebenza yemitha yezinga le-radar iyafana neyemitha yezinga le-ultrasonic, futhi imitha yezinga le-radar isebenzisa nemodi yokusebenza yokudlulisa - ukubuyisa - ukwamukela. Umehluko uwukuthi ukulinganiswa kwemitha yezinga le-radar ultrasonic kuncike kakhulu ku-transducer ye-ultrasonic, kuyilapho imitha yezinga le-radar incike ekhanda lemvamisa ephezulu kanye ne-antenna.
Amamitha e-Ultrasonic level asebenzisa amaza omshini, kuyilapho amamitha e-radar level esebenzisa amaza kagesi aphezulu kakhulu (ama-G amaningi kuya kwamashumi e-G Hertz). Amaza kagesi ahamba ngesivinini sokukhanya, futhi isikhathi sokuhamba singaguqulwa sibe isignali yeleveli yizingxenye ze-elekthronikhi.
Esinye imitha ejwayelekile yezinga le-radar imitha yezinga le-radar yamagagasi eqondiswayo.
Imitha yezinga le-radar yamagagasi aqondiswayo iyimitha yezinga le-radar esekelwe kusimiso se-time domain reflectometry (TDR). I-electromagnetic pulse yemitha yezinga le-radar isakazeka ngekhebula lensimbi noma i-probe ngesivinini sokukhanya. Uma ihlangana nobuso be-medium elinganisiwe, ingxenye ye-pulse yemitha yezinga le-radar iyaboniswa ukuze yakhe i-echo bese ibuyela kudivayisi yokuqalisa i-pulse ngendlela efanayo. Ibanga phakathi kwe-transmitter kanye nobuso be-medium elinganisiwe lilingana nesikhathi sokusakazeka kwe-pulse lapho ukuphakama kwezinga loketshezi kubalwa khona.
Okwesithathu, izinzuzo kanye nokungalungi kwe-radar kanye ne-ultrasonic level meter
1. Ukunemba kwe-Ultrasonic akukuhle njenge-radar;
2. Ngenxa yobudlelwano phakathi kwemvamisa nosayizi we-antenna, imitha yezinga le-radar enemvamisa ephezulu incane futhi kulula ukuyifaka;
3. Ngenxa yokuthi imvamisa ye-radar iphakeme, ubude be-wavelength bufushane, futhi kukhona ukubonakaliswa okungcono ezindaweni eziqinile ezigobile;
4. Indawo yokungaboni yesilinganiso se-radar incane kune-ultrasound;
5. Ngenxa yemvamisa ephezulu ye-radar, i-Angle ye-radar beam incane, amandla agxilile, futhi ikhono lokuzwakala liyathuthuka ngenkathi lisiza ekugwemeni ukuphazamiseka;
6. Uma kuqhathaniswa namamitha e-ultrasonic level asebenzisa amagagasi omshini, i-radar ayithinteki kakhulu yi-vacuum, umhwamuko wamanzi emoyeni, uthuli (ngaphandle kwe-graphite, i-ferroalloy kanye nolunye uthuli oluphezulu lwe-dielectric), izinguquko zokushisa kanye nokucindezela;
Isikhathi sokuthunyelwe: Septhemba 18-2023