Zonke izinto zikhupha amandla e-infrared (ubushushu) ngokweqondo lobushushu bazo. Amandla e-infrared akhutshwa yinto abizwa ngokuba yisignali yayo yobushushu. Ngokwesiqhelo, okukhona into ishushu, kokukhona ikhupha imisebe emininzi. I-Thermal imager (ekwaziwa ngokuba yi-thermal imager) ngokuyintloko sisiva-sensor sobushushu, esinokubona umahluko omncinci kubushushu. Esi sixhobo siqokelela imisebe ye-infrared kwizinto ezikwindawo kwaye senze imifanekiso ye-elektroniki ngokusekelwe kulwazi malunga nomahluko kubushushu. Ekubeni izinto zingafane zibe kubushushu obufanayo nezinye izinto ezizingqongileyo, zinokufunyanwa yi-thermal imager, kwaye ziya kubonakala ngokucacileyo kumfanekiso wobushushu.
Imifanekiso eshushu idla ngokuba ngwevu ngokwendalo: izinto ezimnyama ziyabanda, izinto ezimhlophe zishushu, kwaye ubunzulu bengwevu bubonisa umahluko phakathi kwezi zimbini. Nangona kunjalo, abanye abafoti abashushu bongeza umbala kumfanekiso ukunceda abasebenzisi ukuba bachonge izinto kumaqondo obushushu ahlukeneyo.
Yintoni umfanekiso wobushushu?
I-infrared thermal imager inokuguqula ubushushu ngempumelelo (oko kukuthi amandla obushushu) bube kukukhanya okubonakalayo, ukuze ihlalutye okusingqongileyo okungqongileyo. Oku kuyenza ibe nokuguquguquka kakhulu. Izixhobo zebhayoloji nezemishini zikhupha ubushushu kwaye zinokubonwa nasebumnyameni. Le mifanekiso yobushushu ichanekile kakhulu kwaye isebenza ngokufanelekileyo ngobushushu obuncinci kuphela.
Isebenza njani imifanekiso yobushushu?
Ukukhanya okubonakalayo kuluncedo kakhulu ebantwini nakwezinye izinto eziphilayo, kodwa yinxalenye encinci nje ye-electromagnetic spectrum. I-infrared radiation eveliswa bubushushu ithatha "isithuba" esingakumbi kwi-spectrum. I-infrared thermal imager ibamba kwaye ivavanye ukusebenzisana kobushushu obufunxiweyo, obubonakalisiweyo kwaye ngamanye amaxesha obudluliselwayo.
Inqanaba lemitha yobushushu ekhutshwa yinto libizwa ngokuba yisignali yayo yobushushu. Okukhona into ethile ishushu, kokukhona iya kuphuma ngakumbi kwindawo engqongileyo. I-thermal imager inokwahlula phakathi komthombo wobushushu kunye nomahluko omncinci wemitha yobushushu. Iqokelela le datha ibe "yimephu yobushushu" epheleleyo ukuze yahlulwe ngokwenqanaba lobushushu.
Iyintoni inzuzo yemifanekiso yobushushu?
Ekuqaleni zazisetyenziselwa ukuhlola ebusuku nokulwa. Ukususela ngoko, ziye zaphuculwa ukuze zisetyenziswe ngabacimi-mlilo, oogesi, abasebenzi bomthetho kunye namaqela okuhlangula kwiindawo zentlekele. Zikwasetyenziswa kakhulu ekuhloleni izakhiwo, ekulungiseni nasekuphuculeni.
Indlela yokwenza imifanekiso yobushushu?
Imifanekiso eshushu ingaba yiteknoloji encinci nesebenzayo. I-thermal imager elula inokuvavanya umthombo wobushushu ophakathi kwi-crosshair. Iinkqubo ezintsonkothileyo ngakumbi zibonelela ngamanqaku amaninzi okuthelekisa, ukuze abasebenzisi bakwazi ukuhlalutya iimeko zendalo. I-thermal image palette yahluka kakhulu, ukusuka kwi-monochrome palette ukuya kwi-"pseudo color palette" epheleleyo.
Yintoni ekufuneka uyijonge kwizixhobo zomfanekiso we-thermal?
Ngokukodwa, imfuno yakho ye-thermal imager ixhomekeke kwindawo oyisebenzisayo. Nangona kunjalo, zimbini izinto eziphambili ezibonisa umgangatho we-thermal imagers: i-detector resolution kunye ne-thermal sensitivity.
Njengezinye izisombululo ezininzi, isisombululo sichaza inani lilonke lee-pixels - umzekelo, isisombululo se-160×120 siquka ii-pixels ze-19200. I-pixel nganye nganye inedatha yayo yobushushu ehambelanayo, ngoko ke isisombululo esikhulu sinokuvelisa umfanekiso ocacileyo.
Uvakalelo lobushushu ngumlinganiselo womahluko onokubonwa ngumfoti. Umzekelo, ukuba uvakalelo lwesixhobo yi-0.01 °, izinto ezinomahluko wobushushu wepesenti enye zinokwahlulwa. Uluhlu lobushushu obuncinci nobukhulu lubalulekile.
Imifanekiso eshushu inemida ethile esisiseko: umzekelo, ayinakudlula kwiglasi ngenxa yeempawu ezibonakalayo zezinto. Isenokubona kodwa ayikwazi ukungena eludongeni. Nangona kunjalo, imifanekiso eshushu iye yabonakala iluncedo kwiindlela ezininzi zokusebenza.
Ixesha lokuthumela: Disemba-07-2021