Vim li cas 24V LED qhov system zoo dua li 12V ib qho

Ob qho tib si 12V DC thiab 24V DC kev xaiv feem ntau pom thaum mus yuav khoom lossis teeb tsa cov teeb pom kev tsis zoo. Tej zaum koj yuav nug, "dab tsi yog qhov txawv?" vim hais tias tus nqi hais thiab kev ua tau zoo specs feem ntau zoo tib yam. "Koj xav pom dab tsi?"
Piv txwv li, 12V DC thiab 24V DC versions ntawmLED stripsob leeg muaj.
Thaum nws los txog rau cov khoom siv, xws li cov khoom siv fais fab, qhov sib txawv ntawm 12V DC thiab 24V DC feem ntau tsis yog qhov loj.
Qhov luv luv ntawm kev txiav- kab ntu ntu (1 nti rau 12V vs. 2 ntiv tes rau 24V) ua rau 12V DC qhov kev xaiv zoo dua rau cov neeg tuaj tshiabLED sawb teeb. Vim li no, koj tuaj yeem txiav lubLED stripsrau qhov ntev koj nyiam.
Vim tias nws qhov txo qis rau qhov poob qis, 24V DC yog txoj hauv kev mus yog tias koj xav tau kev ua haujlwm siab tshaj plaws.

Lub teeb-emitting diodes ua haujlwm zoo dua ntawm 24V.

Nco ntsoov tias 3V DC yog qhov tseeb qhov hluav taws xob ntawm feem ntau ntawm cov LEDs, txawm tias 12V thiab 24V DC yog cov kev xaiv ntau tshaj plaws rau cov khoom siv hluav taws xob. Qhov hluav taws xob ntawm LED qhov system tuaj yeem hloov kho kom haum rau qhov tshwj xeeb lub zog hluav taws xob los ntawm kev teeb tsa cov LEDs hauv ib qho tshwj xeeb thiab kev sib txuas ua ke.
Nquag, peb LEDs yog strung nyob rau hauv series ntawm 12VLED sawb. Tag nrho qhov hluav taws xob siv rau LEDs, ntawm 3V txhua, NW nyuam qhuav 9V- kwv yees li 75% ntawm tag nrho cov voltage. Ib tug resistor uas txwv qhov tam sim no ntws qhov seem voltage. Muab hais tias tus resistor tsis tsim ib lub teeb, nws ua raws li ib feem peb ntawm lub zog siv los ntawm 12V.LED sawbmus rau hauv tshav kub dissipation.
Xya LEDs feem ntau tuaj yeem ua rau hauv cov kab hauv 24V LED qhov system vim tias feem ntau muaj qhov hluav taws xob txaus. Cov txiaj ntsig ntawm LED voltages, uas yog 3V ib qho, yog 21V, lossis kwv yees li 88% ntawm 24V input. Muaj tsawg dua li kaum peb feem pua ​​​​ntawm qhov poob ntawm lub zog hluav taws xob raws li cov cua sov hauv qhov no.
Txhawm rau ua kom tiav, qhov tsim hluav taws xob tsim hluav taws xob tsis zoo tuaj yeem txiav los ntawm ntau tshaj ib nrab nrog 24V LED system.
Piv txwv li, koj tuaj yeem siv qhov tseeb no thiab tsim ib qho 24V, 35 LED PCB layout los ntawm kev sib txuas 5 cov hlua sib txuas ntawm 7 LEDs hauv series nrog ib leeg.
Nws yuav siv sij hawm tsawg tus neeg xyuas pib ntsuas kom ua tiav 24V.
Tus qauv P=V x Kuv piav txog lub zog hluav taws xob. Txhawm rau kom lub zog (P) tsis tu ncua, qhov sib thooj ntawm qhov tam sim no (I) yuav tsum muaj rau txhua qhov nce hauv qhov hluav taws xob (V).
Qhov sib txawv ntawm ob qhov hluav taws xob yog qhia los ntawm qhov tseeb tias 24V qhov system tsuas yog xav tau 2 Amps (24V x 2A= 48W) piv rau 12V system uas yuav tsum muaj 4 Amps (12V x 4A= 48W).
Txhawm rau muab tso ncaj, txhawm rau muab cov hluav taws xob tib yam, 24V LED qhov system yuav haus ib nrab li tam sim no ntau npaum li 12V LED system.
 

Tsuas yog qhov no tseem ceeb npaum li cas?

Copper conductors yuav tsum muaj qhov dav thiab tuab kom hloov hluav taws xob zoo; voltage tsis muaj qhov cuam tshuam rau qhov no.
Kev poob hluav taws xob thiab kev tsim hluav taws xob tuaj yeem tshwm sim los ntawm kev tiv thaiv sab hauv hauv ib qho luv luv lossis nyias tooj liab tus neeg xyuas pib thaum muaj ntau qhov tam sim no tau tsav los ntawm nws. Hluav taws xob hluav taws xob tuaj yeem tshwm sim hauv qhov xwm txheej hnyav tshaj plaws.
Siv ib nrab li ntau cov hluav taws xob conductors yog ua tau nrog 24V LED system, txhua yam yog sib npaug. Xyuas kom tseeb tias koj tseem siv cov khoom siv hluav taws xob txaus rau kojLED sawbtej yaam num nrog peb lub ntsuas hluav taws xob poob.
 

Cov khoom siv hluav taws xob me me.

Ib yam li tam sim no, tsis yog qhov hluav taws xob, yog thawj qhov kev txiav txim siab ntawm tus neeg xyuas pib loj, yog li qhov loj ntawm lub hwj huam mov. Txij li cov hlau tooj liab ua rau feem ntau ntawm cov khoom siv hluav taws xob hauv cov kab hluav taws xob sab hauv, kev sib raug zoo ntawm lub cev ntawm cov hluav taws xob tam sim no thiab cov neeg xyuas pib qhov loj me kuj tseem ua lub luag haujlwm.
Thaum soj ntsuam nrog tej yaam num xws li txhim khoLED sawb teebnyob rau hauv cov txee, qhov twg tej zaum yuav muaj qhov chaw txwv, qhov loj ntawm lub hwj huam mov tuaj yeem yog qhov tseem ceeb rau kev txiav txim siab.
 

Linear khiav uas ntev dua tag nrho.

Qhov siab tshaj plaws tso cai ncua ntev ntawm ib qhoLED sawbHauv kev siv xws li LED sawb teeb pom kev zoo feem ntau yog txiav txim siab los ntawm qhov siab tshaj plaws tso cai hluav taws xob tam sim no uas cov kab tooj liab ntawm LED sawb tuaj yeem coj mus. Yog li, feem ntau, 24V LED strips tuaj yeem tswj tau ob zaug ntev npaum li 12V LED strips, xav tias ob yam khoom siv hluav taws xob zoo ib yam.
Qhov no kuj siv tau rau lwm yam khoom nrog daisy chaining peev xwm, tsis yog LED strips xwb.

Nyob rau hauv xaus

Feem ntau, qhov sib txawv ntawm 12V thiab 24V tsis ntau, tab sis yog tias koj tsis tshwj xeeb xaiv txog ib qho, Kuv vam tias tsab xov xwm no tau yaum koj tias 24V system zoo dua!