Ihame ryo kuyobora ubushyuhe bwo guhindura ibara
Led ibara ry'ubushyuhe ni igipimo cyo guhindura urumuri rutandukanye. Ongera itara ritukura, ubushyuhe bwamabara ashyushye, ongera urumuri rwubururu, nubushyuhe bukonje bwamabara. Hindura umucyo, hindura umuyaga unyura muri LED, ikigezweho ni kinini, kizaba cyiza. Ibinyuranye na byo, ni umwijima. Amabwiriza yubu agezweho muguhindura PWM. Ibyo bita PWM ni ubugari bwa pulse. Uburyo bwo guhinduranya ubugari bwa pulse, ibyingenzi ni uguhindura agaciro kokurwanya nagaciro ka capacitance igena ubugari bwayo. Niba ibicuruzwa bya RC ari binini, ubugari buzaba bunini. Ibisobanuro bigomba kuganirwaho bifatanije nigishushanyo mbonera.
Ubushyuhe bwamabara 1
Ubushyuhe bwamabara yinkomoko yumucyo nicyitegererezo cyiza, nanone cyitwa radiator yuzuye, mugereranije ibara ryacyo hamwe nubushakashatsi bwumuriro wumuriro wumwirabura (mu magambo ahinnye nkumubiri wumukara, igipimo cyo kwinjiza ingufu zumuriro mubushyuhe ubwo aribwo bwose bingana na 1 mubushyuhe ubwo aribwo bwose ). ) kumenya. Ikirangantego gitangwa nubushyuhe bwimirasire irakomeza kandi yoroshye. Ku mubiri wumukara, ubushyuhe buratandukanye kandi ibara riratandukanye. Hariho inzandiko zidasanzwe hagati yibara ryumubiri wumukara nubushyuhe.
Iyo ugaragaza ibara ryumucyo utanga urumuri, ibara ryumucyo ukunze kugereranwa nibara ryumukara. Niba ibara ryumucyo isoko ari kimwe nibara ryumukara mubushyuhe runaka, ibara ryumucyo rifatwa nkumubiri wumukara. Ibara kuri ubu bushyuhe ryitwa "ibara ry'ubushyuhe", ryitwa "ibara rishyushye". Biragaragara, "ibara risusurutse" bivuga "ibara", niryo bara ryumubiri wumukara mubushyuhe runaka. Ariko, kubera amasezerano amaze igihe, iki gitekerezo bakunze kwita "ubushyuhe bwamabara."
Kumatara yaka nandi masoko yumuriro wumuriro, kuberako ikwirakwizwa ryayo ryegereye iry'abirabura, ingingo zabo zihuza za chromaticity ziri kumurongo wumukara, kandi igitekerezo cyubushyuhe bwibara ryibara rishobora gusobanura neza ibara ryoroheje ryamatara yaka.
Nyamara, ku yandi matara atari amatara yaka, gukwirakwiza ibintu biri kure yumubiri wumukara, kandi guhuza ibikorwa bya chromaticity bigenwa nigabanywa ryingufu zigereranijwe kubushyuhe bwazo T ntabwo byanze bikunze bigwa neza kubushyuhe bwumubiri wumukara werekana igishushanyo mbonera cya chromaticity . Ubushyuhe bwamabara yinkomoko yumucyo bushobora kugenwa gusa nibara ryisoko yumucyo hamwe na trayectory yumubiri wumukara, ibyo bita ubushyuhe bwamabara afitanye isano (CCT).