Source: Ulink Media
A zamanin bayan annoba, mun yi imanin cewa firikwensin infrared ba su da makawa kowace rana.A cikin tsarin zirga-zirga, muna buƙatar sake yin tazarar zafin jiki akai-akai kafin mu isa inda muke.A matsayin ma'aunin zafin jiki tare da babban adadin na'urori masu auna firikwensin infrared, a zahiri, akwai ayyuka masu mahimmanci da yawa.Na gaba, bari mu kalli firikwensin infrared da kyau.
Gabatarwa zuwa Infrared Sensors
Duk wani abu da ke sama da cikakken sifili (-273°C) koyaushe yana fitar da makamashin infrared zuwa sararin da ke kewaye, don magana.Kuma firikwensin infrared, yana iya jin makamashin infrared na abu kuma ya canza shi zuwa abubuwan lantarki.Infrared firikwensin ya ƙunshi tsarin gani, gano abubuwa da kewayawa.
Ana iya raba tsarin gani zuwa nau'in watsawa da nau'in tunani bisa ga tsari daban-daban.Watsawa yana buƙatar abubuwa biyu, ɗaya mai watsa infrared da ɗaya mai karɓar infrared.Mai haskakawa, a gefe guda, yana buƙatar firikwensin guda ɗaya kawai don tattara bayanan da ake so.
Za'a iya raba kashi mai ganowa zuwa kashi na gano zafin zafi da nau'in ganowa na photoelectric bisa ga ka'idar aiki.Thermistors sune mafi yawan amfani da thermistors.Lokacin da thermistor ke ƙarƙashin radiation infrared, zafin jiki yana ƙaruwa, kuma juriya yana canzawa (wannan canjin na iya zama babba ko ƙarami, saboda ana iya raba thermistor zuwa madaidaicin ma'aunin zafin jiki da ƙarancin zafin jiki), wanda za'a iya canzawa zuwa fitowar siginar lantarki. ta hanyar juyawa.Ana amfani da abubuwan gano wutar lantarki a matsayin abubuwa masu ɗaukar hoto, yawanci ana yin su da gubar sulfide, gubar selenide, indium arsenide, antimony arsenide, mercury cadmium telluride ternary gami, germanium da kayan silicon doped.
Dangane da nau'ikan sarrafa sigina daban-daban da da'irori na juyawa, ana iya raba firikwensin infrared zuwa nau'in analog da nau'in dijital.Da'irar sarrafa siginar firikwensin infrared pyroelectric analog shine bututu mai tasirin filin, yayin da da'irar sarrafa siginar firikwensin infrared na pyroelectric dijital guntu ce.
Yawancin ayyuka na firikwensin infrared ana samun su ta hanyoyi daban-daban da haɗakar abubuwa masu mahimmanci guda uku: tsarin gani, kashi na ganowa da da'irar juyawa.Bari mu kalli wasu wuraren da na'urorin firikwensin infrared suka yi tasiri.
Aikace-aikacen Sensor Infrared
1. Gane Gas
Infrared Tantancewar ka'ida na gas firikwensin wani nau'i ne na tushen kusa da infrared spectral selective absorption halaye na daban-daban gas kwayoyin, da yin amfani da iskar gas taro da kuma sha dangantaka (Lambert - lissafin Lambert Beer law) don gano da kuma sanin da taro na gas bangaren gas na'urar ganowa.
Ana iya amfani da firikwensin infrared don samun taswirar nazarin infrared kamar yadda aka nuna a cikin adadi a sama.Molecules da suka ƙunshi nau'ikan zarra daban-daban za su sami shayarwar infrared a ƙarƙashin isar da hasken infrared a lokaci guda, yana haifar da canje-canje a cikin ƙarfin hasken infrared.Dangane da kololuwar igiyoyi daban-daban, ana iya tantance nau'ikan iskar gas da ke cikin cakuda.
Dangane da matsayi na kololuwar shayarwar infrared guda ɗaya, kawai menene ƙungiyoyin da ke cikin ƙwayar iskar gas za a iya ƙaddara.Don ƙayyade nau'in iskar gas daidai, muna buƙatar duba matsayi na duk kololuwar sha a cikin yankin tsakiyar infrared na iskar, wato, sawun yatsa na infrared na iskar gas.Tare da bakan infrared, abubuwan da ke cikin kowane gas a cikin cakuda za a iya yin nazari da sauri.
Ana amfani da firikwensin gas na infrared sosai a cikin masana'antar petrochemical, masana'antar ƙarfe, ma'adinan yanayin aiki, kula da gurɓataccen iska da ganowa da ke da alaƙa da carbon, aikin gona da sauran masana'antu.A halin yanzu, tsakiyar infrared Laser suna da tsada.Na yi imani cewa a nan gaba, tare da yawancin masana'antu masu amfani da na'urori masu auna sigina don gano gas, na'urorin gas na infrared za su zama mafi kyau kuma mai rahusa.
2. Ma'aunin Distance Infrared
Infrared kewayon firikwensin nau'in na'ura ce mai ji, wanda za a yi amfani da infrared a matsayin matsakaicin tsarin aunawa, kewayon ma'auni, gajeriyar lokacin amsawa, galibi ana amfani da shi a fannin kimiyya da fasaha na zamani, tsaron ƙasa da masana'antu da filayen noma.
Infrared Ranging firikwensin yana da nau'i biyu na siginar infrared mai watsawa da karɓar diodes, ta yin amfani da firikwensin infrared don fitar da hasken infrared, samar da tsarin tunani bayan haskakawa ga abu, yin tunani ga firikwensin bayan karbar siginar, sannan ta amfani da CCD. sarrafa hoto yana karɓar watsawa da karɓar bayanan bambancin lokaci.Ana ƙididdige nisa na abu bayan sarrafawa ta hanyar sarrafa siginar.Ana iya amfani da wannan ba kawai a kan shimfidar yanayi ba, har ma a kan bangarori masu nunawa.Ma'auni mai nisa, mayar da martani mai girma, dace da yanayin masana'antu masu tsanani.
3. Watsawar Infrared
Hakanan ana amfani da watsa bayanai ta amfani da firikwensin infrared.Ikon nesa na TV yana amfani da siginar watsa infrared don sarrafa TV daga nesa;Wayoyin hannu suna iya watsa bayanai ta hanyar watsa infrared.Waɗannan aikace-aikace ne waɗanda ke kusa tun lokacin da aka fara haɓaka fasahar infrared.
4. Hoton Thermal Infrared
Thermal Hoto wani firikwensin firikwensin da zai iya ɗaukar hasken infrared da ke fitarwa ta duk abubuwan da zafinsa ya fi sifili.Asalin mai hoton thermal an ƙirƙira shi ne azaman aikin sa ido na soja da kayan aikin hangen dare, amma yayin da aka ƙara amfani da shi, farashin ya faɗi, don haka ya faɗaɗa filin aikace-aikacen.Aikace-aikacen hoto na thermal sun haɗa da dabba, aikin gona, gini, gano iskar gas, aikace-aikacen masana'antu da na soja, da kuma gano ɗan adam, sa ido da ganowa.A cikin 'yan shekarun nan, an yi amfani da hoton thermal na infrared a wurare da yawa na jama'a don auna yawan zafin jiki da sauri.
5. Induction Infrared
Canjin shigar da infrared shine canjin sarrafawa ta atomatik bisa fasahar shigar da infrared.Yana gane aikin sarrafa kansa ta atomatik ta hanyar jin zafin infrared da ke fitowa daga duniyar waje.Yana iya sauri buɗe fitilu, kofofin atomatik, ƙararrawa na hana sata da sauran kayan lantarki.
Ta hanyar ruwan tabarau na Fresnel na firikwensin infrared, tarwatsewar hasken infrared da ke fitar da jikin ɗan adam na iya hango shi ta hanyar sauyawa, ta yadda za a iya gane ayyuka daban-daban na sarrafa atomatik kamar kunna hasken.A cikin 'yan shekarun nan, tare da shaharar gida mai wayo, an kuma yi amfani da jin daɗin infrared a cikin gwangwani masu wayo, banɗaki mai wayo, maɓalli mai wayo, kofofin ƙaddamarwa da sauran samfuran wayo.Sanin infrared ba kawai game da jin mutane ba ne, amma ana sabunta shi akai-akai don cimma ƙarin ayyuka.
Kammalawa
A cikin 'yan shekarun nan, masana'antar Intanet na Abubuwa ta haɓaka cikin sauri kuma tana da fa'ida ta kasuwa.A cikin wannan mahallin, kasuwar firikwensin infrared shima ya kasance ƙara girma.Don haka, ma'aunin kasuwar gano infrared na kasar Sin yana ci gaba da girma.Bisa kididdigar da aka yi, a shekarar 2019, girman kasuwar gano infrared na kasar Sin ya kai kusan yuan miliyan 400, nan da shekarar 2020 ko kusan yuan miliyan 500.Haɗe tare da buƙatar ma'aunin zafin infrared na annoba da kawar da carbon don gano iskar gas, girman kasuwa na firikwensin infrared zai yi girma a nan gaba.
Lokacin aikawa: Mayu-16-2022