Ya dace da Cummins L10 N14 M11 firikwensin matsin mai 4921485

Na'urar firikwensin matsayi

1.Capacitive matsayi firikwensin shine firikwensin matsayi mara lamba, wanda yawanci ya ƙunshi sassa uku: yankin ganowa, Layer mai kariya da harsashi.Za su iya auna ainihin matsayi na manufa, amma kawai abu.Idan abin da aka auna ba ya jagoranci, yana da amfani don auna kauri ko yawa.

2.Lokacin da ake auna abu mai ɗaukar nauyi, siginar fitarwa ba shi da alaƙa da kayan abu, saboda ga firikwensin motsi na capacitive, duk masu gudanarwa iri ɗaya ne.Irin wannan firikwensin ana amfani dashi galibi a cikin faifan diski, fasahar semiconductor da ingantacciyar ma'aunin masana'antu, amma yana buƙatar babban daidaito da amsa mita.Lokacin amfani da ma'auni maras jagoranci, ana amfani da firikwensin matsayi na capacitive yawanci don gano lakabi, sutura da auna kaurin takarda ko fim.

3.Capacitive matsayi firikwensin da aka asali amfani da su auna mikakke matsawa nisa, jere daga da yawa millimeters zuwa da yawa nanometers, da kuma ma'auni da aka kammala ta yin amfani da lantarki halaye na conductivity.Ƙarfin abu don adana caji ana kiransa capacitance.Na'urar capacitor na gama gari don ajiyar caji shine farantin capacitor.A capacitance na farantin capacitor kai tsaye gwargwado zuwa electrode yankin da dielectric akai-akai, kuma inversely gwargwado ga nisa tsakanin electrodes.Saboda haka, lokacin da nisa tsakanin na'urorin lantarki ya canza, capacitance kuma yana canzawa.A cikin kalma, firikwensin matsayi mai ƙarfi yana amfani da wannan sifa don kammala gano matsayi.

4.A hankula capacitive matsayi firikwensin ya hada da biyu karfe electrodes, tare da iska a matsayin dielectric.Ɗayan na'urar firikwensin firikwensin karfe ne, ɗayan lantarki na capacitor kuma yana kunshe da wani abu mai sarrafawa don ganowa.Lokacin da aka yi amfani da wutar lantarki tsakanin faranti na madugu, an kafa filin lantarki tsakanin faranti, kuma faranti biyu suna adana caji mai kyau da kuma caji mara kyau bi da bi.Capacitive matsayi firikwensin yawanci rungumi AC ƙarfin lantarki, wanda ya sa cajin a kan farantin canza polarity akai-akai, don haka za a iya gano canji na manufa matsayi ta auna capacitance tsakanin biyu faranti.

5.The capacitance an ƙaddara ta nisa tsakanin faranti, dielectric akai na dielectric da nisa tsakanin faranti.A mafi yawan na'urori masu auna firikwensin, yanki da dielectric akai-akai na farantin lantarki ba zai canza ba, kawai nisa zai shafi ƙarfin da ke tsakanin lantarki da abin da ake nufi.Saboda haka, canji na capacitance na iya nuna matsayi na manufa.Ta hanyar daidaitawa, siginar wutar lantarki na firikwensin firikwensin yana da alaƙa ta layi tare da nisa tsakanin allon ganowa da manufa.Wannan shine ji na firikwensin.Yana nuna rabon canjin ƙarfin fitarwa zuwa canjin matsayi.Naúrar yawanci 1V/ micron ne, wato, ƙarfin fitarwa yana canza 1V kowane micron 100.

6.Lokacin da aka yi amfani da wutar lantarki zuwa wurin ganowa, za a samar da filin lantarki mai yaduwa akan abin da aka gano.Domin rage tsangwama, an ƙara wani Layer na kariya.Yana amfani da ƙarfin lantarki iri ɗaya a ƙarshen biyu na wurin ganowa don hana filin lantarki a cikin sararin ganowa daga zubowa.Masu gudanarwa a waje da sauran wuraren ganowa za su samar da filin lantarki tare da Layer na kariya kuma ba za su tsoma baki tare da filin lantarki tsakanin abin da ake nufi da wurin ganowa ba.Saboda kariyar Layer, filin lantarki a cikin wurin ganowa yana da conical.Wurin da aka yi hasashe na filin lantarkin da na'urar ganowa ke fitarwa ya fi girma da kashi 30% fiye da wurin ganowa.Don haka, yankin diamita na abin da aka gano dole ne ya zama aƙalla 30% girma fiye da wurin gano firikwensin.