Ka'idar jagorancin launi daidaita haske mai haske
Zafin launi Led shine rabon canza haske daban-daban. Ƙara haske ja, zafin launi mai zafi, ƙara haske shuɗi, da sanyin launi. Daidaita haske, canza halin yanzu yana gudana ta hanyar LED, halin yanzu ya fi girma, zai zama haske. Akasin haka, ya fi duhu. Ana samun ƙa'idodin halin yanzu ta hanyar canza PWM. Abin da ake kira PWM shine daidaitawar faɗin bugun jini. Hanyar daidaita girman bugun jini, mafi mahimmanci shine canza ƙimar juriya da ƙimar ƙarfin da ke ƙayyade nisa. Idan samfurin RC yana da girma, faɗin zai fi girma. Ya kamata a tattauna ƙayyadaddun ƙayyadaddun ƙayyadaddun tare tare da zane-zane.
1 launi zazzabi
Yanayin zafin launi na tushen haske shine kyakkyawan tsari, wanda kuma ake kira cikakken radiator, ta hanyar kwatanta launinsa da yanayin zafin jiki na baƙar fata (wanda aka gajarta a matsayin jikin baƙar fata, ƙimar ɗaukar makamashi mai haske a kowane zafin jiki yana daidai da 1 a kowane zafin jiki). ). ) don tantancewa. Bakan da tushen zafin zafi ke fitarwa yana ci gaba da santsi. Ga jikin baƙar fata, zafin jiki ya bambanta kuma launi ya bambanta. Akwai rubutu na musamman tsakanin launin baƙar fata da zafin jiki.
Lokacin bayyana launi na tushen haske, ana kwatanta launi na hasken haske da launin baki. Idan launin tushen hasken ya kasance daidai da launi na baƙar fata a wani yanayin zafi, launin hasken hasken yana ɗaukarsa a matsayin baƙar fata. Launi a wannan yanayin ana kiransa "launi mai zafi", ana kiransa "launi mai dumi". Babu shakka, "launi mai dumi" yana nufin "launi", wanda shine launin baƙar fata a wani yanayin zafi. Duk da haka, saboda daɗaɗɗen tarurruka, wannan ra'ayi yanzu ana kiransa "zazzabi mai launi."
Don fitulun fitilu da sauran maɓuɓɓugan radiyo na thermal, saboda rarrabuwar su na kusa da na blackbody, chromaticity daidaita maki suna kan yanayin jikin baƙar fata, kuma ra'ayin zafin launi na bayyane zai iya kwatanta launin haske na fitilun fitilu.
Koyaya, don sauran fitilun ban da fitilu masu ƙyalli, rarrabuwar yanayin ba ta da nisa daga jikin baƙar fata, kuma daidaitawar chromaticity da aka ƙaddara ta hanyar rarraba wutar lantarki ta dangi a zafinsu T ba lallai ba ne su faɗi daidai akan yanayin yanayin zafin jikin baƙar fata na zanen chromaticity. . Za a iya tantance yanayin zafin launi na tushen hasken kawai ta launin tushen hasken da kuma yanayin yanayin jikin baƙar fata, wanda ake kira da correlated Color Temp (CCT).