Menene Sensor Passive?

Marubuci: Li Ai
Source: Ulink Media

Menene Sensor Passive?

Hakanan ana kiran firikwensin motsin kuzari. Kamar Intanet na Abubuwa, ba ya buƙatar samar da wutar lantarki ta waje, wato, na'urar firikwensin da ba ya buƙatar amfani da wutar lantarki ta waje, amma kuma yana iya samun makamashi ta hanyar firikwensin waje.

Dukanmu mun san cewa ana iya raba na'urori masu auna firikwensin zuwa firikwensin taɓawa, na'urori masu auna hoto, na'urori masu auna zafin jiki, firikwensin motsi, firikwensin matsayi, firikwensin gas, firikwensin haske da na'urori masu auna matsa lamba bisa ga nau'ikan tsinkaye da ganowa daban-daban. Don na'urori masu auna firikwensin, ƙarfin haske, hasken lantarki na lantarki, zafin jiki, ƙarfin motsin ɗan adam da tushen jijjiga da na'urori masu auna firikwensin suka gano su ne yuwuwar tushen makamashi.

An fahimci cewa za a iya raba na'urori masu auna firikwensin zuwa nau'ikan nau'ikan guda uku masu zuwa: Fiber m firikwensin firikwensin firikwensin firikwensin firikwensin firikwensin firikwensin da kuma firikwensin firikwensin bisa ga kayan makamashi.

• Fiber firikwensin

Fiber na gani wani nau'in firikwensin firikwensin ne bisa wasu halaye na fiber na gani da aka haɓaka a tsakiyar 1970s. Na'ura ce da ke canza yanayin da aka auna zuwa siginar haske mai aunawa. Ya ƙunshi tushen haske, firikwensin, mai gano haske, da'irar yanayin sigina da fiber na gani.

Yana da halaye na babban hankali, ƙarfin juriya na tsangwama na lantarki, ingantaccen rufin lantarki, daidaitawar muhalli mai ƙarfi, ma'aunin nesa, ƙarancin wutar lantarki, kuma yana ƙara girma cikin aikace-aikacen Intanet na abubuwa. Misali, Optic fiber hydrophone wani nau'in firikwensin sauti ne wanda ke ɗaukar fiber na gani a matsayin wani abu mai mahimmanci, da kuma firikwensin zafin jiki na gani.

• Surface Acoustic Wave Sensor

Surface Acoustic Wave (SAW) firikwensin firikwensin firikwensin da ke amfani da na'urar sautin murya ta saman a matsayin abin ji. Bayanin da aka auna yana nunawa ta canjin saurin ko mitar igiyar sautin murya a saman a cikin na'urar sautin muryar muryar SURFACE, kuma ana jujjuya shi zuwa firikwensin siginar lantarki. Yana da hadaddun firikwensin tare da kewayon na'urori masu auna firikwensin. Yawanci ya haɗa da firikwensin firikwensin sautin raƙuman ruwa, firikwensin zafin jiki na yanayi, firikwensin sautin raƙuman ruwa na halittu, firikwensin iskar gas na ƙaramar murya da firikwensin hankali, da sauransu.

Bayan m Tantancewar fiber firikwensin tare da babban hankali, na iya nisa auna, halaye na low ikon amfani, m surface acoustic kalaman na'urori masu auna sigina yi amfani da Hui mita canji hasashen canji na gudun, don haka canji na rajistan zuwa waje auna iya zama sosai. daidai, a lokaci guda shi halaye na kananan girma, haske nauyi, low ikon amfani iya bari shi samun mai kyau thermal da inji Properties, Kuma ushered a cikin wani sabon zamani na mara waya, kananan firikwensin. Ana amfani da shi sosai a tashar tashar jirgin ƙasa, jirgin ƙasa, sararin samaniya da sauran filayen.

• Sensor Mai Rarraba Bisa Kayayyakin Makamashi

Na'urori masu auna firikwensin da suka dogara da kayan makamashi, kamar yadda sunan ke nunawa, suna amfani da makamashi gama gari a rayuwa don canza makamashin lantarki, kamar makamashin haske, makamashin zafi, makamashin inji da sauransu. The m firikwensin dangane da makamashi kayan yana da abũbuwan amfãni daga m band, karfi anti-tsatsa jiki ikon, kadan tashin hankali ga auna abu, high ji, kuma ana amfani da ko'ina a electromagnetic auna filayen kamar high ƙarfin lantarki, walƙiya, karfi radiation filin ƙarfi, high power microwave da sauransu.

Haɗin na'urori masu auna sigina tare da Wasu Fasaha

A fagen Intanet na Abubuwa, ana ƙara amfani da na'urori masu auna firikwensin, kuma an buga nau'ikan na'urori daban-daban. Misali, na'urori masu auna firikwensin da aka haɗe da NFC, RFID har ma da wifi, Bluetooth, UWB, 5G da sauran fasahohin mara igiyar waya an haife su.A cikin yanayin wucewa, firikwensin yana samun kuzari daga siginar rediyo a cikin muhalli ta hanyar eriya, kuma ana adana bayanan firikwensin. a cikin ƙwaƙwalwar da ba ta da ƙarfi, wanda ke riƙe lokacin da ba a ba da wutar lantarki ba.

Kuma mara waya mara igiyar waya iri na'urori masu auna firikwensin ya dogara da fasahar RFID, Yana haɗa fasahar RFID tare da kayan yadi don samar da kayan aiki tare da aikin gano iri. Babban firikwensin yadudduka na RFID yana ɗaukar yanayin sadarwa da shigar da fasahar alamar UHF RFID mara kyau, ya dogara da makamashin lantarki don aiki, yana da ƙarancin ƙarfi da sassauci, kuma ya zama zaɓin zaɓi na na'urori masu sawa.

A karshen

M Intanet na Abubuwa shine makomar ci gaban Intanet na Abubuwa. A matsayin hanyar haɗin Intanet na Abubuwa, buƙatun na'urori masu auna firikwensin ba su da iyaka ga ƙarami da ƙarancin wutar lantarki. Ƙaƙwalwar Intanet na Abubuwa kuma za ta zama alkiblar ci gaba wanda ya cancanci ƙarin noma. Tare da ci gaba da balaga da haɓaka fasahar firikwensin m, aikace-aikacen fasaha na firikwensin zai fi girma.