Photocell
Chipangizo chomwe chimazindikira kuwala.Amagwiritsidwa ntchito popanga zithunzi zamamita, magetsi amsewu a madzulo-pamadzulo ndi ntchito zina zotha kumva kuwala, Photocell imasinthasintha kukana kwake pakati pa ma terminals ake awiri kutengera kuchuluka kwa ma photon (kuwala) komwe imalandira.Imatchedwanso "photodetector," "photoresistor" ndi "light dependent resistor" (LDR).
The photocell's semiconductor material nthawi zambiri ndi cadmium sulfide (CdS), koma zinthu zina zimagwiritsidwanso ntchito.Ma Photocell ndi ma photodiodes amagwiritsidwa ntchito pazinthu zofanana;Komabe, photocell akudutsa panopa bi-directionally, pamene photodiode ndi unidirectional.
Photodiode
Sensa yowala (photodetector) yomwe imalola kuti magetsi aziyenda mbali imodzi kuchokera mbali imodzi kupita ku ina ikatenga mafotoni (kuwala).Kuwala kochuluka, kumakhala kwamakono.Amagwiritsidwa ntchito pozindikira kuwala kwa masensa a kamera, ulusi wa kuwala ndi ntchito zina zomwe sizimva kuwala, photodiode ndi yosiyana ndi diode yotulutsa kuwala (onani LED).Ma Photodiodes amazindikira kuwala ndikulola magetsi kuyenda;Ma LED amalandira magetsi komanso amatulutsa kuwala.
Maselo a Solar Ndi Ma Photodiode
Maselo a dzuwa ndi ma photodiodes omwe amathandizidwa ndi mankhwala (doped) mosiyana ndi photodiode yomwe imagwiritsidwa ntchito ngati chosinthira kapena kutumizirana mauthenga.Maselo a dzuwa akagwidwa ndi kuwala, zinthu zawo za silicon zimakondwera ndi momwe magetsi ang'onoang'ono amapangidwira.Mitundu yambiri ya ma photodiode a solar cell amafunikira kuti aziyendetsa nyumba.
Phototransistor
Transistor yomwe imagwiritsa ntchito kuwala osati magetsi kuchititsa kuti magetsi aziyenda kuchokera mbali imodzi kupita mbali ina.Amagwiritsidwa ntchito m'masensa osiyanasiyana omwe amazindikira kukhalapo kwa kuwala.Ma Phototransistors amaphatikiza photodiode ndi transistor palimodzi kuti apange zotulutsa zambiri zamakono kuposa photodiode yokha.
Photoelectric
Kutembenuza ma photon kukhala ma elekitironi.Kuwala kukawalitsidwa pachitsulo, ma elekitironi amatulutsidwa kuchokera ku maatomu ake.Kuchuluka kwa ma frequency a kuwala, mphamvu ya electron imatulutsidwa.Zojambulajambula zamitundu yonse zimagwira ntchito pa mfundoyi, mwachitsanzo photocell, ndi photovoltaic cell ndi chipangizo chamagetsi.Amamva kuwala ndipo amachititsa kuti magetsi aziyenda.
kumanga
photocell imakhala ndi chubu lagalasi losamutsidwa lomwe lili ndi ma elekitirodi awiri emitter ndi otolera.emitter imapangidwa ngati silinda ya theka-hollow.nthawi zonse imasungidwa pa kuthekera koyipa.wosonkhanitsa ali mu mawonekedwe a ndodo yachitsulo ndipo amakhazikika pa olamulira a semi-cylindrical emitter.wosonkhanitsa nthawi zonse amasungidwa pa kuthekera kwabwino.chubu chagalasi chimayikidwa pazitsulo zopanda zitsulo ndipo zikhomo zimaperekedwa m'munsi mwa kugwirizana kwakunja.
ntchito
emitter imalumikizidwa ku terminal yoyipa ndipo wokhometsayo amalumikizidwa ku terminal yabwino ya batri.Kuchuluka kwa ma radiation pafupipafupi kuposa kuchuluka kwa zinthu za emitter kumachitika pa emitter.kutulutsa zithunzi kumachitika.ma photo-electrons amakopeka ndi wokhometsa zomwe zili zabwino wrt emitter motero ikuyenda muderali.ngati kuchulukira kwa ma radiation kumawonjezeka, kuchuluka kwa ma photoelectric kumawonjezeka.
Ena athu photocontrol ntchito mkhalidwe
Ntchito yosinthira ma photocell ndi kuzindikira kuchuluka kwa kuwala kochokera kudzuwa, kenako kuyatsa kapena kuzimitsa zida zomwe adalumikizidwako.Tekinolojeyi ingagwiritsidwe ntchito m'njira zambiri, koma chimodzi mwa zitsanzo zodziwika bwino chingakhale nyali za mumsewu.Chifukwa cha masensa a photocell ndi ma switch, onse amatha kuyatsidwa ndikuzimitsa okha komanso mosadalira kutengera kulowa kwa dzuwa ndi kutuluka kwa dzuwa.Izi zitha kukhala njira yabwino kwambiri yopulumutsira mphamvu, kukhala ndi kuyatsa kwachitetezo chodziwikiratu kapena kungopangitsa kuti magetsi anu aziunikira njira zanu usiku osayatsa.Pali njira zambiri zogwiritsira ntchito ma photocells pamagetsi akunja, panyumba, malonda kapena mafakitale.Mungofunika kukhala ndi mawaya amtundu umodzi wa photocell kuti muzitha kuwongolera zonse, kotero palibe chifukwa chogula chosinthira chimodzi pa nyali iliyonse.
Pali mitundu yambiri yosinthira ma photocell ndi zowongolera, zonse zoyenererana ndi zochitika zosiyanasiyana komanso zinthu zosiyanasiyana.Kusintha kosavuta kukwera kungakhale ma photocell oyika tsinde.Zowongolera za swivel ndizosavuta kukhazikitsa koma zimapereka kusinthasintha.Zowongolera zithunzi za Twist Lock ndizovuta kwambiri kuziyika, komabe zimakhala zolimba kwambiri ndipo zimamangidwa kuti zipirire kugwedezeka ndi zovuta zazing'ono popanda kuthyoka kapena kupangitsa kuti ma network azitha.Ma photocell a mabatani ndi oyenera kuwunikira panja, opangidwa kuti azikwera mosavuta.
Zopezeka zopezeka:
1. www.pcmag.com/encyclopedia/term/photocell
2. lightbulbsurplus.com/parts-components/photocell/
3. learn.adafruit.com/photocells
4. thefactfactor.com/facts/pure_science/physics/photoelectric-cell/4896/
5. www.elprocus.com/phototransistor-basics-circuit-diagram-advantages-applications/
Nthawi yotumiza: Jul-16-2021