Qhov yuav tsum tau muaj ntawm LED teeb hlaws rau cov neeg tsav tsheb tsis tshua muaj hluav taws xob
1. Qhov nominal tso zis tam sim no ntawm tus tsav nti yuav tsum muaj ntau tshaj 1.2-1.5A. Raws li LED teeb hlaws rau teeb pom kev zoo, kev khiav hauj lwm tam sim no ntawm LED teeb hlaws nrog lub zog ntawm 1W yog 350mA, thiab kev khiav hauj lwm tam sim no ntawm LED teeb hlaws nrog lub zog ntawm 3W yog 700mA. Yog li ntawd, tus tsav tsheb IC xaiv rau LED teeb hlaws teeb pom kev zoo yuav tsum muaj cov zis tam sim no txaus siab. Thaum npaj cov khoom, tus tsav tsheb IC yuav tsum ua haujlwm hauv qhov chaw ua haujlwm zoo tshaj plaws ntawm 70-90 feem pua ntawm tag nrho cov txiaj ntsig tsis zoo.
2. Cov zis tam sim no ntawm tus tsav nti yuav tsum ruaj khov rau lub sijhawm ntev, kom lub teeb ci LED hlaws tuaj yeem tawm lub teeb tsis tu ncua, thiab qhov ci ci yuav tsis ci; tib batch ntawm tsav tsheb chips yog siv nyob rau hauv tib yam kev mob, thiab cov zis tam sim no yuav tsum tau raws li zoo raws li qhov ua tau, uas yog, qhov discreteness yuav tsum me me. Nyob rau hauv txoj kev no, kev tsim khoom tuaj yeem ua haujlwm tau zoo thiab ua kom zoo ntawm cov kab ntau lawm uas tsis siv neeg; tus neeg tsav tsheb nti nrog ib qho kev tsis sib haum xeeb hauv cov zis tam sim no yuav tsum raug xaiv ua ntej tawm hauv lub Hoobkas lossis muab tso rau hauv cov kab ntau lawm, thiab kho qhov tsis kam ntawm qhov kev teeb tsa tam sim no (Rs) ntawm PCB board. Qhov loj ntawm LED teeb hlaws tas li tam sim no tsav tsheb board ua los ntawm nws ua rau lub luminous brightness ntawm tib hom LED teeb hlaws tib yam.
3. Qhov input voltage ntau ntawm tus tsav nti yuav tsum ua tau raws li DC8-40V kom npog cov kev xav tau ntawm daim ntawv thov nto. Nws yog qhov zoo dua yog tias qhov hluav taws xob tiv taus tuaj yeem siab dua 45V; qhov yooj yim choj rectifier tso zis voltage yuav hloov nrog daim phiaj voltage thaum AC12V los yog 24V yog input, tshwj xeeb tshaj yog thaum lub voltage siab, cov zis DC voltage kuj yuav siab. Yog tias tus tsav tsheb IC tsis tuaj yeem hloov mus rau qhov dav dav, feem ntau nws yuav tawg thaum lub zog hluav taws xob nce ntxiv, thiab cov hlaws teeb LED tseem yuav raug hlawv.
4. Lub peev xwm ntawm tus tsav nti nws tus kheej los tiv thaiv EMI, suab nrov, thiab qhov hluav taws xob siab kuj tseem cuam tshuam txog seb tag nrho LED teeb hlaws khoom tuaj yeem dhau CE, UL thiab lwm yam ntawv pov thawj zoo. Yog li ntawd, tus tsav nti nws tus kheej yuav tsum xaiv topology zoo heev thiab high voltage thaum pib ntawm kev npaj. txheej txheem ntau lawm.
5. Lub ntim ntawm cov neeg tsav tsheb nti yog qhov tsim nyog rau lub tshav kub sai sai ntawm cov tsav tsheb nti tuag. Cov txheej txheem sim tau piav qhia luv luv ntawm no. 6. Lub zog siv hluav taws xob ntawm tus tsav nti nws tus kheej yuav tsum tsawg dua 0.5W, thiab qhov zaus hloov pauv yuav tsum muaj ntau dua 120Hz kom tsis txhob pom qhov ci ntsa iab tshwm sim los ntawm lub zog zaus cuam tshuam. LED teeb hlaws ntsuab teeb pom kev zoo txhawb txoj kev loj hlob ntawm cov neeg tsav tsheb chips rau kev tsim kho tshiab. LED teeb hlaws teeb pom kev zoo yog sib cais los ntawm cov tsav tsheb, yog li LED teeb hlaws tsav tsheb ICs nrog ntau lub zog yuav tsum tau ua.
Yog tias AC fais fab mov qis dua 36V yog siv rau LED teeb hlaws, cov khoom siv tsis thaiv hluav taws xob tuaj yeem txiav txim siab. Yog tias AC fais fab mov ntawm 220V thiab 100V raug xaiv, thaiv cov khoom siv hluav taws xob yuav tsum xav txog.
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