Igalelo eliphambili lombane kwizibane ze-LED strip yi-12 Vdc kunye ne-24 Vdc, ngokulandelanayo. Zikhuselekile kwaye kulula ukusebenza nazo. Kodwa, sihlala sisiva le ngxelo: Umtya we-LED ukhanya ngakumbi kwelinye icala kwaye umnyama kwelinye. Ngoba?
Impendulo kukuhla kwamandla ombane. Ngokwenyani, oku kuqhelekile kwiinkqubo zokukhanyisa umbane ophantsi.
Kweli nqaku siza kuthetha malunga:
Yintoni ukuhla kwamandla ombane we-LED strip?
Ukwehla kwamandla ombane we-LED sisixa sombane esilahlekileyo phakathi kobonelelo lwamandla kunye nee-LED ngokwazo.
Okukhona ukuchasana kwisekethe, ukuphakama kwe-voltage ephezulu.
Kwisekethe ye-DC yomgca okhokelwayo, i-voltage iya kuncipha ngokuthe ngcembe njengoko idlula ngocingo kunye nokukhanya komcu ngokwawo. Ke, ukongezwa kocingo okanye umcu kuya kukhokelela kwelinye icala lezibane zakho zokukhanya ziqaqambe kunelinye icala.
Kutheni le nto i-LED strip ye-voltage yehla isenzeka?
Isizathu sokuqala nakuphi na ubude bocingo kunomlinganiselo othile wokumelana nombane. Xa ucingo lude, ngakumbi ukuxhathisa. Ukunganyangeki kombane kubangela ukuhla kwamandla ombane, kwaye ukuhla kwamandla ombane kubangela ukuba ii-LED zakho zibe mnyama.
Isizathu sesibini PCB ngokwayo ukuxhathisa. Ukuxhathisa kwe-PCB kuya kudla inxalenye yombane kwaye kuguqule amandla ombane kumandla obushushu.
Ukuxhathisa kwe-PCB kunxulumene nobungakanani becandelo elinqamlezayo (elihambelana nobubanzi bebhodi ye-PCB kunye nobunzima bobhedu). Inkulu i-PCB cross-section, incinci ukuchasana; Okukhona ubude bePCB, kokukhona ukuxhathisa okukhulu.
Ukufumana njani ukuhla kwamandla ombane?
Ukuhla kwamandla ombane we-LED kubonakala kakhulu kumgca we-LED omhlophe ukuze uvule isibane esimhlophe kumgca we-LED otshintsha umbala ukujonga ukuhla kwamandla ombane.
Makhe sibone ukuba sinokubona ukuhla kwamandla ombane ngokusebenzisa umgama omde omhlophe we-led strip. Kulo mfanekiso ungezantsi, sinokubona ukuba isiqalo (indawo "1") icacile emhlophe, kwaye emva kokubaleka umgama (indawo "2"), ukukhanya okumhlophe kuya kuba phuzi, kwaye ekupheleni komgca okhokelayo ( isikhundla "3"), ukukhanya okumhlophe kubomvu ngenxa yokuhla kwamandla ombane.
(Isikhumbuzi: Xa umgca wokukhanya okhokelwayo uqengqiwe, akufuneki ukhanyiswe ixesha elide, nto leyo eya kuwonakalisa umtya okhokelwayo.)
I-voltage ye-strip ye-LED inxulumene neechips ze-LED. Apha ngezantsi kukho amandla ombane angaphambili afunekayo kwiidrive zetshiphu ezininzi zemibala.
- I-blue LED chip: 3.0-3.2V
- I-chip ye-LED eluhlaza: 3.0-3.2V
- I-chip ye-LED ebomvu: 2.0-2.2V
Phawula: I-LED emhlophe isebenzisa i-chip eluhlaza kwaye yongeza i-phosphors kumphezulu.
Amandla ombane okuqhuba iitshiphusi eziluhlaza makhulu kunalawo aluhlaza nabomvu. Ke xa i-voltage yokukhanya kwe-white led strip isihla, kwaye i-voltage yangoku ayinakuhlangabezana nombane ofunwa ziitshiphusi eziluhlaza, umgca wokukhanya uya kubonisa umthubi (umbala oluhlaza kunye nobomvu oxutyiweyo) kwaye ubomvu ngenxa yokuba ungaphantsi kombane ofunwayo. ukukhanya okumhlophe.
Ngaba zonke izibane ze-LED zine-voltage yehla?
Ngokusisiseko, zonke iintambo ze-LED ezisezantsi, ezifana ne-5Vdc, 12Vdc, kunye ne-24Vdc ziya kuba neengxaki zokuhla kwamandla ombane. Ngenxa yokuba ukusetyenziswa kwamandla afanayo, i-voltage ephantsi, inkulu ngoku. Ngokomthetho ka-Ohm, i-voltage ilingana nokuchasana okuphindaphindwa ngoku. Ukuxhathisa komqhubi uhlala rhoqo. Okukhona mkhulu umsinga, kokukhona ukuhla kombane. Esi sisizathu sokuba abantu basebenzise amandla ombane aphezulu ukuhambisa umbane!
Iintambo ze-LED zombane ophezulu, ezifana ne-110VAC, i-220VAC, kunye ne-230VAC, ngokubanzi ayinayo ingxaki yokuhla kwamandla ombane. Ukondla umbane wesiphelo esinye, umgama omkhulu wokubaleka wemichilo yokukhanya ye-LED ephezulu inokufikelela kwiimitha ezingama-50. Ngokwamandla alingana nombane ophindaphindwe ngoku, i-voltage ye-high-voltage strip ye-LED yi-110V okanye i-220V, ngoko ke i-strip ye-LED ephezulu yombane incinci kakhulu, ngoko ke ukuhla kwamandla ombane kuncinci.
The umtya wokukhanya we-LED wangoku, ngokubanzi i-24Vdc, ayiyi kuba nengxaki yokuhla kwamandla ombane. Ngenxa yokuba imichilo ye-LED yangoku inee-ICs, ezi ICs zinokugcina ikhoyo ngoku ihamba ngee-LEDs rhoqo. Logama nje i-current ngokusebenzisa i-LED ihlala ihleli, ukuqaqamba kwe-LED nako kuhleli.
Ngapha koko, i-voltage yokukhanya kwe-LED ekhoyo ngoku iya kuncipha nayo. Ngokomzekelo, i-voltage ekupheleni komgca wokukhanya we-LED oqhubekayo uya kuba ngaphantsi kwe-24V. Kwiimeko eziqhelekileyo, ukuhla kwe-voltage kuya kubangela ukuhla kwamandla ngoku nge-LED, okukhokelela ekukhanyeni okuphantsi. Nangona kunjalo, ekubeni kukho ii-ICs kwiintambo ze-LED eziqhubekayo, ezi ICs zinokugcina ukudlula kwangoku kwii-LEDs rhoqo, ezifuna ukuba phakathi koluhlu oluthile lombane (umzekelo, i-24V ~ 19V).
Ngaba ukuhla kwamandla ombane we-LED kuyingozi?
Ukwehla kwamandla ombane we-LED ngokuqhelekileyo akuyongozi kwii-LEDs kuba luhlobo apho umbane onikezelweyo kubo ungaphantsi kunoko bekulindelekile.
Nangona kunjalo, ukuhla kwamandla ombane ngokuqhelekileyo kubonisa ukuguqulwa kwamandla ombane kumandla obushushu be-resistor, eyenza ubushushu obuninzi. Oku kunokubangela iingxaki ukuba i-strip yakho ye-LED ifakwe okanye ikufuphi nezixhobo ezingeva lubushushu. Izinto ezincamathelayo ze-3M kunye nee-LED zikwanovelwano ngandlel' ithile ngokwe-thermal ngoko ke ukuhla kwamandla ombane aphezulu kunokuba yingxaki.
Zeziphi izinto eziza kuchaphazela ukuhla kwamandla ombane?
Ngokomthetho ka-Ohm, i-voltage ilingana namaxesha angoku ukumelana.
Ukuchasana kocingo kunqunywe ubude bayo kunye nobukhulu bocingo. I-LED strip PCB ukuxhathisa kumiselwa ubude kunye nobukhulu bobhedu kwi-PCB.
Ke, inqanaba lokuhla kwamandla ombane kwiintambo ze-LED kunokumiselwa zizinto eziphambili: ubungakanani bangoku bomtya we-LED, ubude kunye nobubanzi bocingo, ubude bomgca we-LED kunye nobukhulu be-PCB yobhedu.
Iyonke yangoku yoluhlu lwe-LED
Ngokucaciswa komgca we-LED, sinokuwazi amandla omgca we-LED wemitha ye-1, ukuze sikwazi ukubala amandla apheleleyo omgca we-LED.
Umbane opheleleyo we-LED strip ulingana namandla apheleleyo ahlulwe ngumbane.
Ke ngokukhona amandla ewonke ewonke, kokukhona abe mkhulu umsinga opheleleyo, kwaye ngenxa yoko kokukhona ukwehla kwamandla ombane kuqatha. Ke ngoko, ukuhla kwamandla ombane kwimichilo ye-LED enamandla amakhulu kunobuzaza ngakumbi kuneentambo ze-LED ezinamandla aphantsi.
Kungenjalo, okukhona i-voltage isezantsi, kokukhona iphezulu yangoku kwaye kokukhona ukuhla kombane kuqatha. Ke ngoko, ukuhla kwe-voltage ye-12V ye-LED strip kunzulu ngakumbi kunomtya we-24V.
Ubude kunye nobubanzi bocingo
Ukuchasana kocingo kunqunywe ngokukodwa yimpahla yomqhubi, ubude bomqhubi, kunye necandelo le-conductor cross-section.
Ukuchasana kocingo kunqunywe ngokukodwa yimpahla yomqhubi, ubude bomqhubi, kunye necandelo le-cross-section of conductor. I-wire ende, ukuchasana okukhulu, kwaye incinci i-cross-section, inkulu ukuchasana.
Unokuzijonga wire Resistance Calculation Tool ukwenza izibalo ngokuthe ngqo ngakumbi.
Ubude kunye nobunzima bobhedu kwi-PCB
Ii-PCB ziyafana neengcingo, zombini zingabaqhubi kwaye ziyaxhathisa ngokwazo. Izinto eziphathekayo kwi-PCB lubhedu. Okukhona iPCB inde, kokukhona ukuxhathisa okukhulu; inkulu i-cross-section yobhedu ngaphakathi kwe-PCB, incinci ukuchasana.
Unokuzijonga PCB Resistance Calculation Tool ukwenza ukubala kube lula.
Ungakunqanda njani ukuhla kweVoltage?
Nangona i-strip ye-LED iya kuba nengxaki yokuhla kwamandla ombane, sinokuyinqanda ngokusebenzisa ezi ndlela zilandelayo.
Unxibelelwano olufanayo
Xa iintambo ze-LED ezide kufuneka zifakwe, kucetyiswa ukuba zonke iimitha ezi-5 zemichilo zixhunywe kumbane ngokuhambelanayo.
Ubonelelo lwamandla kuzo zozibini iziphelo zesibane se-led strip
Ubude obude obucetyiswayo beentambo ze-LED kwiimarike ziimitha ezi-5. Ukuba ufuna ukufaka umgca we-LED weemitha ezili-10, unokudibanisa zombini iziphelo zomgca we-LED kumandla ombane.
Sebenzisa izixhobo zombane ezininzi
Ukusebenzisa izixhobo zombane ezininzi endaweni yeyunithi enye luluvo olukhulu lokufumana ukuqaqamba okungcono. Ifuna isicwangciso sobuchule, ukuze ungapheleli ukude kakhulu kumthombo wamandla.
Sebenzisa amandla ombane aphezulu 48Vdc okanye 36Vdc LED strip
Sebenzisa igalelo lamandla aphezulu eentambo ze-LED ukunqanda imiba yokuhla kwamandla ombane.
Umzekelo, sebenzisa i-48V, 36V, kunye ne-24V endaweni ye-12V kunye ne-5V.
Ngenxa yokuba amandla ombane aphezulu athetha ukuhla kwamandla ombane asezantsi, asezantsi ombane.
Sebenzisa imicu ye-LED enePCB yobhedu engqindilili
Ubhedu yeyona nto isetyenziswa ngokuqhelekileyo kwiintambo zombane. Oku kungenxa yokuba iwenza kakuhle umbane kwaye ayibizi kakhulu xa ithelekiswa nesilivere.
Ubukhulu bobhedu budla ngokulinganiswa ngee-ounces. Okukhona ucingo lobhedu luqina, kokukhona kuqukuqela umsinga.
Sincoma ukusebenzisa i-2oz. okanye 3 oz. kwimichilo yamandla aphezulu e-LED ukunqanda ukuhla kwamandla ombane.
Ubuninzi bocingo lobhedu, iyancipha ukuchasana kwangaphakathi.
Ngoko ke, ucingo lobhedu luya kuthwala amandla amaninzi.
Ukongezelela, kungcono ukuchithwa kobushushu.
Sebenzisa ucingo lobungakanani obukhulu
Ngamanye amaxesha, indawo apho i-strip ye-LED ifakwe kumgama omde ukusuka kumbane we-LED. Emva koko kufuneka siqwalasele ukuba yeyiphi isayizi yocingo ekufuneka siyisebenzise ukudibanisa umgca we-LED kunye nokunikezelwa kwamandla. Ngokuqinisekileyo, ubukhulu besayizi yecingo, ngcono. Kufuneka sazi ukuba yintoni ukuhla kwamandla ombane esinokuyamkela, kwaye sazi ukuba yintoni ubude bocingo obubangela ukuhla kwamandla ombane.
Ungamisela ubungakanani bocingo ngokulandela la manyathelo angezantsi:
Inyathelo 1. Bala iWattage
Unokujonga amandla ngemitha nganye kwileyibhile yokupakisha yoluhlu lwe-LED, ngoko ke amandla ewonke amandla ngemitha aphindwe ngenani elipheleleyo leemitha. Emva koko ukwahlula amandla ewonke nge-voltage ukuze ufumane itotali yangoku.
Inyathelo 2. Linganisa umgama phakathi komgca we-LED kunye nomqhubi
Linganisa umgama phakathi komtya we-LED kunye nombane we-LED. Oku kuchaphazela ngqo ubungakanani bocingo.
Inyathelo 3. Khetha ubungakanani bocingo olufanelekileyo
Ungabala ukuhla kwamandla ombane usebenzisa i I-Voltage Drop Calculator.
Ungazama ukutshintsha iidiameters zocingo ezahlukeneyo kwikhaltyhuleyitha ukuze ubone ukuhla kwamandla ombane ahambelana neediameters zocingo ezahlukeneyo.
Ngale ndlela, fumana ucingo lobungakanani obufanelekileyo (nge-voltage drop ungayamkela).
Sebenzisa umtya we-LED omde kakhulu
The umjelo omde kakhulu oqhubekayo (CC) okhokelela kwisibane somcu inokufikelela kwiimitha ezingama-50, iimitha ezingama-30, iimitha ezingama-20, kunye neemitha ezili-15 nge-reel nganye, kwaye kufuneka idityaniswe kuphela kunikezelo lwamandla kwelinye icala, kunye nokukhanya kwesiqalo kunye nesiphelo kuyafana.
Ngokongeza amacandelo e-IC akhoyo ngoku kwisekethe, umtya okhokeleyo omde kakhulu okhoyo unokuqinisekisa ukuba okwangoku nge-LED inokugcinwa ingaguquguquki kuluhlu oluthile lwamandla ombane (umzekelo, i-24V ~ 19V) ukuze ukukhanya kwe-LED kukhanye. iyahambelana.
isiphelo
Ingxaki yokuhla kwamandla ombane ingasonjululwa, kodwa iya kukubiza ixesha okanye imali. Ukuba ufuna ukugcina imali, unokudibanisa iintambo ezikhokelwayo ngokuhambelana nokunikezelwa kwamandla okanye udibanise zombini iziphelo zeentambo ezikhokelwayo kunikezelo lwamandla. Ukuba ufuna ukonga ixesha, unokukhetha imicu ye-LED enePCB yobhedu etyebileyo okanye imicu ye-LED emide kakhulu. Nangona kunjalo, ngamanye amaxesha ixesha yimali.
I-LEDYi yenza umgangatho ophezulu Imichilo ye-LED kunye ne-LED neon flex. Zonke iimveliso zethu zidlula kwiilabhoratri zobuchwepheshe obuphezulu ukuqinisekisa owona mgangatho uphezulu. Ngaphandle koko, sinikezela ngeenketho ezinokwenziwa ngokwezifiso kwimigca yethu ye-LED kunye neon flex. Ke, kwiprimiyamu ye-LED strip kunye ne-LED neon flex, uqhagamshelane LEDYi NGOKUKHAWULEZA OKUDIBENE NOKUNGXAMA!
