Kutentha kwamtundu ndi kugwirizanitsa mitundu

Kutentha kwamtundu

Pamene wakuda wakuda watenthedwa (monga waya wa tungsten mu nyali ya incandescent), mtundu wa blackbody umayamba kusintha pang'onopang'ono pamdima wofiira - wofiira - lalanje - wachikasu - woyera - buluu pamene kutentha kumawonjezeka.Pamene mtundu wa kuwala wotulutsidwa ndi gwero la kuwala uli wofanana ndi wa blackbody muyezo pa kutentha kwina, timatcha kutentha kwathunthu kwa blackbody panthawiyo monga kutentha kwa mtundu wa gwero la kuwala, koimiridwa ndi kutentha kwathunthu. :K.

(Kumva kutentha kwamtundu) Table 1

(Kuzindikira kutentha kwamtundu) Table II

Mitundu yogwirizanitsa

Zogwirizanitsa pamtundu wa blackbody zimatchedwa kutentha kwa mtundu, ndipo pali zogwirizanitsa;ma coordinates kunja kwa blackbody trajectory (pafupi ndi blackbody trajectory) amatchedwazogwirizanakutentha kwa mtundu, komwe kumatchedwanso kutentha kwa mtundu.Mwachitsanzo, kwa kutentha kwa mtundu wa6250k, mtundu wogwirizanitsa x=0.3176 y=0.3275.Kutentha, kuchokera kumunsi mpaka kumtunda, malo onse otentha amtundu amapanga mzere (wopindika), womwe umatchedwa "blackbody color heat trajectory".

Komabe, kutentha kwamtundu komwe nthawi zambiri kumatchulidwa pano ndi "kutentha kogwirizana kwamtundu" (CCT);"Kutentha kwamtundu" kumagwiritsidwanso ntchito pa mfundo (yogwirizanitsa) yomwe siili pamtunda koma siili kutali, ndipo mtengo wake wa kutentha kwa mtundu ndi mtengo wa mfundo yomwe ili pafupi kwambiri ndi njanji.Mwa njira iyi, chifukwa cha kutentha kwa mtundu womwewo, pali mfundo zambiri

kunja kwa njanji, ndi mizere kulumikiza mfundo zimenezi amatchedwa "isotherms";Ndiko kuti, makonzedwe onse pamzerewu ali ndi kutentha kwamtundu womwewo.Perekani chithunzi.Ziwerengero zomwe zili pachithunzichi zikuwonetsa "isotherm", m'mbali mwake ndi "blackbody trajectory", ndipo ellipse ndiye njira yolumikizirana.6500k nyalizonenedwa ndi boma.

Tebulo ili pansipa kuti mudziwe zambiri

Chromaticity coordinate ndi ma coordinates amitundu.Tsopano zogwirizira zamitundu zomwe zimagwiritsidwa ntchito nthawi zambiri, nsonga yopingasa ndi x, ndipo mulingo woyimirira ndi y.Ndi ma chromaticity coordinate coordinates, mfundo ikhoza kutsimikiziridwa pa chromaticity coordinate.Mfundo imeneyi ikuimira molondola mtundu wowala.Ndiko kuti, kugwirizanitsa kwa chromaticity kumayimira bwino mtunduwo.Chifukwa chromaticity coordinate ili ndi manambala awiri ndipo sizowoneka bwino, anthu amakonda kugwiritsa ntchito kutentha kwamtundu kuti afotokoze mtundu wowala wa gwero lounikira.M'malo mwake, kutentha kwamtundu kumawerengedwa kudzera mu chromaticity coordinate, ndipo kutentha kwamtundu sikungapezeke popanda chromaticity coordinate.Ngati ali ndi mdima kwambiri mtundu, monga wobiriwira, buluu, etc. mukhoza kuwerengera "wavelength waukulu" ndi "mtundu chiyero" kudzera chromaticity kugwirizana kuti zowoneka kuimira mtundu.Kwa nyali zopulumutsira mphamvu, boma latchula zofunika kugwirizanitsa chromaticity, ndipo mtengo wopatuka ndi wochepera 5SDCM.

 Nambala Dzina Chizindikiro X Y Mtundu wa kutentha Ra

F6500 mtundu wa masana RR .313 .337 6430 80

F5000 ndale woyera RZ .346 .359 5000 80

F4000 woyera woyera RL .380 .380 4040 80

F3500 woyera RB .409 .394 3450 80

F3000 yotentha yoyera RN .440 .403 2940 82

F2700 incandescent mtundu RD .463 .420 2720 82

Zithunzi zomwe zaphatikizidwa ndi muyezo wa Energy Star

Pakati pa mitundu itatu yayikulu, yofiira yokha imakhala ndi kutentha kwamtundu pafupifupi 900K, pomwe mitundu ina ilibe lingaliro la kutentha kwamtundu.Mwachitsanzo: Chitsulo sichidzasanduka chobiriwira kapena chabuluu ngakhale chitenthedwe bwanji.Kutentha kwamtundu kumagwiritsidwa ntchito kuyimira mtundu wa kuwala kowunikira (pafupi ndi koyera).Kutentha kwamtundu wotsika, koyera ndi chikasu, kotchedwa kamvekedwe kofunda;Kutentha kwamtundu wapamwamba, koyera ndi buluu, kotchedwa kamvekedwe kozizira.Kuwala kobiriwira sikungathe kuwonetsedwa ndi kutentha kwa mtundu;Kuwala kwa buluu kulibenso kutentha kwa mtundu.

Titha kuona kuti kusiyana kwa chromaticity kugwirizanitsa kumapeto kwa isotherm ndikoonekeratu, ndiko kuti, kutentha kwamtundu wogwirizana ndi kofanana (ie pa isotherm), koma kusiyana kwa mtundu wa kuwala kwake kumawonekeranso ndi diso la munthu. .Pakakhala kusiyana kwina mu kutentha kwa mtundu wolumikizana, kusiyana kwamitundu kumakhala kosavuta kuchitika.Nthawi zambiri, opanga ma LED amayika kutentha kwawo kogwirizana ndi mtundu wa LED molingana ndi zomwe zimafunikira.Palibe vuto pakugwiritsa ntchito malo owunikira wamba, koma nthawi zogwiritsira ntchito zokhala ndi zofunikira pakusiyana kwamitundu, zida za LED zokhala ndi zolumikizira zamitundu yabwino ziyenera kusankhidwa kuti zipangidwe.

Zotsatirazi ndizomwe zidaperekedwa ndi Energy Star:

Mafotokozedwe a ena opanga:

(Zithunzi zina zimachokera pa intaneti. Ngati pali zophwanya, chonde titumizireni ndikuzichotsa nthawi yomweyo)