Na'urar firikwensin hoto

Na'urar firikwensin hoto shine ingantaccen firikwensin lantarki wanda zai iya sarrafa sauyawa ta atomatik na da'ira saboda canjin haske a wayewar gari da duhu (fitowar alfijir da faɗuwar rana). Firikwensin hotuna na iya sarrafa buɗewa da rufewa ta atomatikLED fitilubisa ga yanayi, lokacin lokaci da yanki. A cikin kwanaki masu haske, ana rage amfani da wutar lantarki ta hanyar rage ƙarfin fitarwa. Idan aka kwatanta da amfani da fitilun fitilu, kantin sayar da dacewa tare da yanki na murabba'in murabba'in 200 na iya rage yawan wutar lantarki da kashi 53% a mafi yawan, kuma rayuwar sabis ɗin kusan awanni 50000 ~ 100000. Gabaɗaya, rayuwar sabis na fitilun fitilu na LED kusan awanni 40000 ne; Hakanan za'a iya canza launin haske a cikin RGB don sanya hasken ya zama mai launi da yanayi ya fi aiki.

Infrared firikwensin

Na'urar firikwensin infrared yana aiki ta hanyar gano infrared wanda jikin ɗan adam ke fitarwa. Babban ka'ida ita ce: sau 10 na fitar da jikin dan adam μ Hasken infrared na game da M yana haɓaka ta hanyar ruwan tabarau na Fresnel kuma an tattara shi akan ma'aunin pyroelectric PIR detector. Lokacin da mutane ke motsawa, matsayi na fitarwa na infrared radiation zai canza, kashi zai rasa ma'auni na caji, samar da tasirin pyroelectric kuma ya saki cajin waje. Na'urar firikwensin infrared zai canza canjin makamashin infrared ta hanyar ruwan tabarau mai tace Fresnel zuwa siginar lantarki, canjin Thermoelectric. Lokacin da babu jikin ɗan adam da ke motsi a cikin wurin ganowa na infrared mai ganowa, firikwensin infrared yana jin yanayin zafin baya kawai. Lokacin da jikin ɗan adam ya shiga wurin ganowa, ta hanyar ruwan tabarau na Fresnel, firikwensin infrared na pyroelectric yana fahimtar bambanci tsakanin zafin jikin ɗan adam da yanayin zafin baya, Bayan an tattara siginar, ana kwatanta shi da bayanan ganowa da ke cikin tsarin don yin hukunci. ko wani da sauran hanyoyin infrared sun shiga wurin ganowa.

LED Motsi Sensor Haske

Ultrasonic firikwensin

Na'urori masu auna firikwensin Ultrasonic, kama da na'urori masu auna firikwensin infrared, an ƙara yin amfani da su wajen gano abubuwa masu motsi ta atomatik a cikin 'yan shekarun nan. Na'urar firikwensin ultrasonic galibi yana amfani da ka'idar Doppler don fitar da raƙuman ruwa mai mitar ultrasonic wanda ya wuce tsinkayen jikin ɗan adam ta hanyar oscillator crystal. Gabaɗaya, an zaɓi 25 ~ 40KHz kalaman, sa'an nan kuma tsarin sarrafawa yana gano mita da aka nuna. Idan akwai motsi na abubuwa a cikin yanki, mitar kalaman da aka nuna za su ɗanɗana kaɗan, wato, tasirin Doppler, don yin hukunci game da motsi na abubuwa a cikin yankin hasken wuta, Don sarrafa sauyawa.

firikwensin zafin jiki

Ana amfani da firikwensin zafin jiki NTC ko'ina fiye da kariyar zafin jikiLEDfitilu. Idan an karɓi tushen haske mai ƙarfi na LED don fitilun LED, dole ne a karɓi radiyon aluminium mai yawan reshe. Saboda ƙaramin sarari na fitilun LED don hasken cikin gida, matsalar ɓarkewar zafi har yanzu tana ɗaya daga cikin manyan ƙwanƙolin fasaha a halin yanzu.

Rashin ƙarancin zafi na fitilun LED zai haifar da gazawar hasken farko na tushen hasken LED saboda yawan zafi. Bayan da aka kunna fitilar LED, za a wadatar da zafi zuwa fitilar fitilar saboda tashin iska mai zafi ta atomatik, wanda zai shafi rayuwar sabis na wutar lantarki. Don haka, lokacin zayyana fitilun LED, NTC na iya zama kusa da radiator na aluminium kusa da tushen hasken LED don tattara zafin fitilun a ainihin lokacin. Lokacin da zafin jiki na aluminum radiator na kofin fitila ya tashi, ana iya amfani da wannan da'irar don rage fitarwa ta atomatik na tushen yanzu don kwantar da fitilun; Lokacin da zazzabi na aluminium radiator na kofin fitila ya tashi zuwa ƙimar saiti na iyaka, ana kashe wutar lantarki ta LED ta atomatik don gane yawan kariyar fitilar. Lokacin da zafin jiki ya ragu, fitilar tana kunna ta atomatik.

firikwensin murya

Na'urar sarrafa sauti ta ƙunshi firikwensin sarrafa sauti, amplifier audio, da'irar zaɓi ta tashar, jinkirin buɗe da'irar da da'irar sarrafa thyristor. Yi hukunci ko fara da'irar sarrafawa bisa sakamakon kwatancen sauti, kuma saita ainihin ƙimar firikwensin sarrafa sauti tare da mai gudanarwa. Firikwensin sarrafa sauti koyaushe yana kwatanta ƙarfin sauti na waje tare da ƙimar asali, kuma yana watsa siginar "sautin" zuwa cibiyar sarrafawa lokacin da ya wuce ƙimar asali. Ana amfani da firikwensin sarrafa sauti sosai a cikin tituna da wuraren hasken jama'a.

Firikwensin shigar da Microwave

Firikwensin shigar da microwave shine mai gano abu mai motsi wanda aka tsara bisa ka'idar tasirin Doppler. Yana gano ko matsayin abu yana motsawa ta hanyar da ba ta sadarwa ba, sannan ya haifar da aikin sauyawa daidai. Lokacin da wani ya shiga wurin da ake ji kuma ya kai ga buƙatar hasken wuta, maɓallin ji zai buɗe ta atomatik, kayan aiki zai fara aiki, kuma za a fara tsarin jinkiri. Muddin jikin ɗan adam bai bar wurin da ake ji ba, na'urar ɗaukar nauyi za ta ci gaba da aiki. Lokacin da jikin ɗan adam ya bar wurin ji, firikwensin ya fara lissafin jinkiri. A ƙarshen jinkirin, na'urar firikwensin yana rufewa ta atomatik kuma na'urar ɗaukar nauyi ta daina aiki. Gaskiya mai aminci, dacewa, mai hankali da ceton kuzari.