Aikace-aikacen fitilun fitilu

A halin yanzu, akwai nau'ikan na'urori masu auna firikwensin da ake amfani da su a cikin fitilun: firikwensin infrared da injin microwave.

Electromagnetic bakan

Dukansu infrared ray da microwave suna cikin igiyoyin lantarki na lantarki. Bakan na'urar lantarki na igiyar lantarki ta kewayo a cikin tsari na tsawon tsayi ko mita da makamashi ana nuna su a cikin adadi kamar ƙasa:

1 Electromagnetic bakan

Infrared firikwensin

●Infrared ray

Infrared ray (IR) igiyar wuta ce ta lantarki tare da mitoci tsakanin microwave da haske mai gani. Yana da sunan gaba ɗaya na radiation tare da mitar 0.3THz ~ 400THz a cikin bakan na'urar lantarki da kuma tsawon 1mm ~ 750nm a cikin injin. Haske ne marar ganuwa tare da ƙananan mitar fiye da ja.

Za a iya raba hasken infrared zuwa sassa uku: Kusa da hasken infrared (high mita infrared ray, high energy), da kuma tsawon tsayi (3 ~ 2.5) μ m~ (1 ~ 0.75) μ M; Matsakaicin infrared ray (matsakaicin mitar infrared ray, matsakaicin makamashi), tsayin tsayi (40 ~ 25) μ m~ (3 ~ 2.5) μ M; Hasken infrared mai nisa (ƙananan hasken hasken infrared, ƙaramin ƙarfi), tsayin raƙuman ruwa 1500 μ m~ (40 ~ 25) μ M. Infrared ray (musamman Far infrared ray) yana da tasiri mai ƙarfi na thermal. Yana iya jujjuyawa da mafi yawan ƙwayoyin ƙwayoyin cuta da ƙwayoyin macromolecules a cikin ƙwayoyin cuta, haɓaka motsin waɗannan ƙwayoyin kuma suna shafa juna, ta yadda za su haifar da zafi. Saboda haka, za a iya amfani da infrared ray don dumama da kwayoyin spectroscopy. Hasken infrared mai nisa kuma ana kiransa "Terahertz ray" ko "hasken terahertz" a cikin binciken kimiyya.

Infrared ray yana da tasirin zafi kuma yana iya yin tasiri tare da yawancin kwayoyin halitta don canza makamashin haske (makamashi na igiyoyin lantarki) zuwa makamashin intramolecular (zafi). Zafin rana yana yaɗuwa zuwa duniya ta hanyar hasken infrared.

A cikin ilimin kimiyyar lissafi, abubuwan da ke sama da cikakken sifili (0k, be. - 273.15 ℃) na iya samar da hasken infrared (da sauran nau'ikan igiyoyin lantarki). Ilimin kimiyyar lissafi na zamani ya kira shi blackbody radiation (thermal radiation).

Hasken infrared ba zai iya wucewa ta kowane abu mara kyau ba. Ko yana fitar da hasken infrared ba shi da alaƙa da ko akwai rayuwa. Abubuwan da ke da tsayin infrared daban-daban suna fitar da yanayin zafi daban-daban. Dalilan sune kamar haka: ƙarni na infrared haskoki ne

sakamakon girgizar kwayoyin halitta a saman abubuwa. Abubuwa daban-daban suna da mitoci daban-daban na girgizar ƙasa, don haka tsayin raƙuman infrared ya bambanta.

●Aikace-aikacen firikwensin infrared a cikin fitila

Na'urar firikwensin infrared akan fitilar ya ƙunshi kewayen gano hasken infrared, da'irar sarrafa siginar infrared, da'irar sarrafa fitarwar sigina da kewayen samar da wutar lantarki.

Firikwensin infrared samfurin sarrafawa ne ta atomatik bisa fasahar infrared. Lokacin da jikin ɗan adam ya shiga cikin kewayon ji, firikwensin na musamman yana gano canjin infrared na jikin ɗan adam kuma zai kunna kaya ta atomatik.

2 Shigar jikin mutum

Gabaɗaya, tushen firikwensin firikwensin infrared na samfuran hasken wuta yawanci yana ɗaukar bangaren pyroelectric. Lokacin da zafin jiki na infrared na jikin mutum ya canza, wannan bangaren zai rasa ma'aunin cajin kuma ya saki cajin a waje. Bayan da aka gano da'irar na gaba kuma an sarrafa shi, zai iya haifar da aikin sauyawa. Jikin ɗan adam yana da madaidaicin zafin jiki, gabaɗaya a digiri 37, don haka zai fitar da hasken infrared tare da takamaiman tsayin daka na kusan 10um. Binciken infrared mai wucewa yana aiki ta gano hasken infrared da ke fitowa daga jikin mutum. Kimanin 10um infrared ray da jikin ɗan adam ke fitarwa yana mai da hankali kan tushen ji na infrared bayan an inganta shi ta ruwan tabarau na Fresnel.

3 Induction infrared

Canjin firikwensin infrared an tsara shi musamman don jikin ɗan adam, wanda yake abokantaka, dacewa, aminci da ceton kuzari, kuma yana nuna kulawar ɗan adam. Koyaya, kewayon ganowa ya yi ƙasa da na firikwensin microwave. A lokaci guda, tsayin yana iyakance, kuma saurin amsawa yana da hankali fiye da na firikwensin microwave.

Firikwensin Microwave

●Microwave

Microwave yana nufin igiyoyin lantarki na lantarki tare da mitar 300MHz-300GHz. Yana da taƙaitaccen iyakataccen mitar mitar a cikin igiyoyin rediyo, wato, igiyar lantarki ta lantarki mai tsayi tsakanin 1m (ban da 1m) da 1mm. Ita ce jumla ta gabaɗaya ta igiyar ruwa ta decimeter, igiyar centimita, igiyar millimeter da igiyar ruwa, wanda ke mallakar haske marar ganuwa. Mitar microwave ta fi mitar kalaman radiyo na gabaɗaya, wanda yawanci ake kira "UHF electromagnetic wave". A matsayin igiyar ruwa ta lantarki, microwave kuma tana da duality duality.

Duality-barbashi na nufin cewa yana da halaye biyu na igiyar ruwa da halayen barbashi. Yana iya tafiya gaba kamar igiyar ruwa kuma yana nuna halayen barbashi. Saboda haka, muna kiran shi "wave particle duality".

4 Wave barbashi duality

Abubuwan asali na microwave yawanci suna nuna halaye uku: shiga ciki, tunani da sha. Don gilashin, filastik da ain, microwaves kusan wucewa ba tare da an shafe su ba. Don ruwa da abinci, zai sha microwaves kuma ya sa kansa yayi zafi. Don abubuwa na ƙarfe, za su nuna microwaves.

Ana iya fahimtar ƙimar shigar microwave na gilashi, filastik, itace da ain iri ɗaya. Ka'idar shigar Microwave 2450MHz kusan 6cm. 915MHz shine 8cm. Lokacin shigar ba komai bane.

●Aikace-aikacen firikwensin microwave a cikin fitila

Na'urar firikwensin microwave tana amfani da ƙa'idar Doppler don watsawa da karɓar sigina na mitoci masu tsayi (daidai da fahimtar canjin motsi na abubuwa), kuma yana sarrafa kunnawa da kashe fitulun lodi ta hanyar haɓaka sigina da ƙwarewar ganewa na shirin microcomputer mai guntu guda ɗaya.

Ana samun makamashin Microwave ta DC ko 50Hz AC ta na'ura ta musamman. Akwai nau'ikan na'urori da yawa waɗanda za su iya samar da microwave, amma galibi an kasu kashi biyu: na'urorin semiconductor da na'urori masu amfani da wutar lantarki.

Mai sarrafa firikwensin microwave yana amfani da eriyar ƙaramar zobe tare da takamaiman diamita don gano microwave. Eriya tana haifar da elliptical radius (daidaitacce) yankin faɗakarwar injin na'ura mai kwakwalwa a cikin hanyar axis. Lokacin da jikin ɗan adam ke motsawa, amsawar da ke nuna ta yana tsoma baki tare da ainihin filin microwave (ko mitar) wanda mai sarrafa firikwensin microwave ya aiko da canje-canje. An haɗa fitilar firikwensin infrared tare da diode mai watsa infrared da diode mai karɓa. Bayan ganowa, haɓakawa, tsarawa, kwatantawa da yawa da sarrafa jinkiri, farar waya tana fitar da siginar sarrafa wutar lantarki.

5 firikwensin

Saboda halaye na microwave, yana da babban hasara na yaduwa a cikin iska da gajeriyar watsawa, amma yana da kyakkyawar motsi da babban bandwidth aiki. Baya ga fasahar igiyar ruwa ta millimita da ake amfani da ita ga sadarwar wayar hannu ta 5G, watsawar microwave galibi a cikin jagorar igiyar karfe da dielectric waveguide. Firikwensin Microwave na iya gano abubuwa masu ƙarfi kuma yana da faffadan yanayin aikace-aikace.

A halin yanzu, ban da wasu ƙa'idodi masu mahimmanci kamar: ƙa'idodin aminci, EMC, ƙa'idodin kariyar muhalli, da sauransu, babu wasu ƙa'idodi na wajibci don ayyukan firikwensin, musamman nisan ji da lokacin tunani, waɗanda ke nuni ga ƙa'idodin masana'antu gabaɗaya. , ko yanke hukunci ko sun cika buƙatun bisa ga ƙa'idodin da aka yarda tsakanin abokin ciniki da masana'anta da ƙwarewar mai amfani.

6 shigar-1

7 shigar-2

Duk samfuran haske na Wellway za a iya keɓance su bisa ga buƙatun abokan ciniki. Abubuwan da suka balaga sun haɗa da fitilar tabbatar da yanayin LED tare da firikwensin, fitilar ƙurar ƙura tare da firikwensin, fitilar rufin LED tare da firikwensin da sauransu. A halin yanzu, ana ɗaukar yanayin firikwensin microwave a duk yawancin samfuran. Wellyway yana da dakin gwaje-gwaje na musamman don gwada hankali da nisa na na'urori masu auna firikwensin microwave don tabbatar da dogaro da kwanciyar hankali na ingancin samfur. Muna maraba da abokan ciniki da gaske don ziyarta, ba da shawara ga masana'antar mu da yin aiki tare da mu.

(Wasu hotuna suna fitowa daga Intanet. Idan akwai cin zarafi, da fatan za a tuntuɓi ku share shi nan da nan)

 


Lokacin aikawa: Satumba-22-2022
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