Video: Photocells siv nyob qhov twg?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Photocells yog siv nyob rau hauv tsis siv neeg hmo ntuj teeb thiab nyob rau hauv txoj kev teeb uas tig lawv tus kheej thaum hmo ntuj. Qee zaum hu ua photoresistors, photocells muaj los ntawm ntau qhov chaw. Lawv zoo li ib tug me me (0.5 mus rau 2 nti) disk nrog ob ua rau sab nraum qab.
Ua kom pom qhov no, photocells ua haujlwm li cas?
Photocell . A photocell yog ib tug resistor uas hloov kuj nyob ntawm seb tus nqi ntawm lub teeb teeb meem ntawm nws. A photocell Ua haujlwm ntawm semiconductor photoconductivity: lub zog ntawm photons tsoo lub semiconductor frees electrons ntws, txo qhov tsis kam.
Kuj Paub, puas yog tag nrho cov photocells tib yam? Muaj ntau ntau hom photocells hauv kev ua lag luam tab sis thev naus laus zis tom qab lawv yog tag nrho tus ib yam Raws li lawv siv semiconductors los tswj cov hluav taws xob tam sim no. Thaum lub semiconductor raug rau ib theem ntawm lub teeb, tam sim no pib ntws thiab lub fixture yuav raug kaw.
Hais txog qhov no, cov khoom siv twg siv lub photocell resistor?
Tsis siv neeg lub teeb uas tig rau thaum tsaus ntuj siv photocells , nrog rau cov teeb pom kev uas hloov mus rau thiab tawm raws li nws yog hmo ntuj lossis nruab hnub. Lawv yog siv raws li timers los ntsuas qhov ceev ntawm cov neeg khiav dej num hauv kev sib tw. Photocells tej zaum siv nyob rau hauv qhov chaw ntawm variable resistors thiab photovoltaic cell.
Koj yuav paub li cas yog tias koj lub photocell tsis zoo?
Tshawb xyuas lub cable rau luv luv, nicks, lossis lub voj hauv av. Yog tus photocell tseem tsis ua hauj lwm, ntsuas continuity ntawm lub photocell hlau (liab / xiav rau 2-xaim photocell los yog liab / xiav / ntsuab rau 3-hlau photocell ) thiab check yog nws yog luv. Yog luv yog pom, lub photocell tsis zoo thiab yuav tsum tau hloov.
Pom zoo:
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