Pamene malamulo a mphamvu akuchulukirachulukira, anthu ambiri amadziwa kuti ma LED, kapena ma diode otulutsa kuwala, amakhala nthawi yayitali ndikusunga mphamvu. Koma ndi anthu ochepa amene amamvetsa kuti magetsi apamwamba kwambiriwa sangagwire ntchito popanda woyendetsa LED. Madalaivala a LED, omwe nthawi zina amatchedwa magetsi a LED, ali ngati ma ballast a nyali za fulorosenti kapena zosinthira za mababu otsika. Amapereka ma LED magetsi omwe amafunikira kuti ayendetse ndikugwira ntchito momwe angathere.

Kodi Dalaivala ya LED Ndi Chiyani?

Dalaivala wa LED amawongolera kuchuluka kwa mphamvu zomwe LED kapena gulu la ma LED limafunikira. Popeza ma diode otulutsa kuwala ndi zida zowunikira zopanda mphamvu zokhala ndi moyo wautali komanso kugwiritsa ntchito mphamvu zochepa, amafunikira magwero apadera amagetsi.

Ntchito zazikulu za madalaivala a LED ndikupereka magetsi otsika ndikuteteza ma LED.

LED iliyonse imatha kugwiritsa ntchito mpaka 30mA yapano ndikugwira ntchito pamagetsi pafupifupi 1.5V mpaka 3.5V. Ma LED angapo amatha kugwiritsidwa ntchito motsatizana komanso mofananira kupanga kuyatsa kunyumba, komwe kungafunike mphamvu yamagetsi ya 12 mpaka 24 V DC. Dalaivala wa LED amatembenuza AC mozungulira kuti ikwaniritse zosowa ndikutsitsa magetsi. Izi zikutanthauza kuti magetsi okwera kwambiri a AC mains, omwe amayambira 120V mpaka 230V, akuyenera kusinthidwa kukhala magetsi otsika a DC omwe amafunikira.

Ma driver a LED imatetezanso ma LED kuti asasinthe magetsi ndi magetsi. Ngakhale ma mains asintha, mabwalo amawonetsetsa kuti ma voliyumu ndi omwe amapita ku ma LED azikhala panjira yoyenera kuti agwire ntchito. Chitetezo chimalepheretsa ma LED kuti asatenge magetsi ochulukirapo komanso apano, zomwe zingawapweteke, kapena kusakwanira pakalipano, kuwapangitsa kukhala osawala kwambiri.

Kodi Madalaivala a LED Amagwira Ntchito Motani?

Kutentha kwa LED kukasintha, momwemonso ma voliyumu ake akutsogolo amafunikira. Pamene ikuwotcha, magetsi ochepa amafunikira kuti asunthire panopa kudzera mu LED, choncho amagwiritsa ntchito mphamvu zambiri. Kuthamanga kwa kutentha ndi pamene kutentha kumakwera mopanda mphamvu ndikuwotcha LED. Mphamvu zotulutsa mphamvu pa madalaivala a LED zimapangidwa kuti zikwaniritse zosowa za ma LED. Kuthamanga kosalekeza kwa dalaivala kumapangitsa kutentha kukhala kokhazikika poyankha kusintha kwa magetsi akutsogolo.

Kodi Dalaivala ya LED Imagwiritsidwa Ntchito Bwanji?

Ma Transformer a mababu otsika kwambiri amachitanso zomwe madalaivala a LED amapangira ma LED. Magetsi a LED ndi zida zotsika mphamvu zomwe nthawi zambiri zimayendera 4V, 12V, kapena 24V. Kuti agwire ntchito, amafunikira gwero lamphamvu lachindunji. Koma chifukwa magetsi a socket sockets amakhala ndi Voltage yokwera kwambiri (pakati pa 120V ndi 277V) ndipo amatulutsa makina osinthira, sizigwirizana mwachindunji. Popeza mphamvu yamagetsi ya LED ndi yotsika kwambiri kuti ikhale yosinthira nthawi zonse, madalaivala apadera a LED amagwiritsidwa ntchito kutembenuza magetsi apamwamba kwambiri mpaka otsika kwambiri.

Chinthu chinanso chomwe madalaivala a LED amachita ndikuteteza ku mphamvu zamagetsi, ndi kusintha, komwe kungapangitse kutentha ndi kutuluka kwa kuwala kutsika. Ma LED amapangidwa kuti azigwira ntchito mkati mwa ma amps osiyanasiyana.

Madalaivala ena a LED amathanso kusintha kuwala kwa makina olumikizidwa a LED ndi dongosolo lomwe mitundu ikuwonetsedwa. Kuti muchite izi, muyenera kuyatsa ndikuzimitsa LED iliyonse. Mwachitsanzo, magetsi oyera nthawi zambiri amapangidwa poyatsa gulu la ma LED amitundu yosiyanasiyana nthawi imodzi. Mukathimitsa ma LED ena, mtundu woyera umatha.

Miyeso Yosiyanasiyana Kufotokozera Madalaivala a LED.

•  Kunja vs. Woyendetsa LED Wamkati

Kusiyana pakati pa madalaivala akunja ndi amkati a LED amatha kumangidwa mu nyali (zamkati), kuyika pamalo opangira magetsi, kapena kuyika kunja kwawo (Kunja). Magetsi ambiri a m'nyumba opanda mphamvu zochepa, makamaka mababu, amakhala ndi madalaivala a LED omangidwa. Izi zimapangitsa kuti magetsi azikhala otchipa komanso owoneka bwino. Kumbali inayi, zowunikira zotsika ndi zowunikira nthawi zambiri zimakhala ndi madalaivala a LED kunja.

Mukamagwiritsa ntchito mphamvu zambiri, monga magetsi a mumsewu, magetsi othamanga, magetsi a masewera, ndi magetsi okulirapo, madalaivala akunja a LED amagwiritsidwa ntchito mochuluka. Izi zili choncho chifukwa kutentha mkati mwa magetsi kumawonjezereka pamene mphamvu ikukwera. China chabwino chokhudza madalaivala akunja a LED ndikuti amatha kusinthidwa mosavuta kuti asamalidwe.

• Kusintha kwa Power Supply vs. Linear Regulator

Chifukwa madalaivala oyendera ma LED ndi osavuta, chopinga, MOSFET yoyendetsedwa, kapena IC zitha kufunikira kuti ma LED aziyenda nthawi zonse. Ma AC LED ambiri, ma sign, ndi ma strips amawagwiritsa ntchito. Chifukwa cha izi, magetsi amatha kusintha mosavuta, ndipo tsopano pali magwero ochuluka a magetsi, monga 12V ndi 24V LED madalaivala. Wowongolera mzere amawononga mphamvu zambiri, kotero kuwala sikungakhale kowala monga kungathekere ndi magetsi osinthira.

Zosintha zowoneka bwino kwambiri mwachilengedwe zimapangitsa kuti pakhale kuwala kwamphamvu, chomwe ndi chinthu chofunikira kwambiri pazowunikira zambiri. Komanso, kusintha kwamagetsi kumacheperako, kumakhala ndi mphamvu yayikulu, ndipo kumatha kuthana ndi ma surges bwino kuposa ma AC LED.

• Ma Dalaivala Odzipatula a LED motsutsana ndi Madalaivala Opanda Apadera a LED

Tikayerekeza zinthu ziwirizi, timatcha chilichonse kuti ndi magetsi osinthira. Malinga ndi malamulo a UL ndi CE, mapangidwe akutali nthawi zambiri amagwira ntchito ku 4Vin+2000V ndi 3750Vac, ndipo ma voliyumu olowera ndi otuluka amalekanitsidwa bwino. Kugwiritsa ntchito thiransifoma yotsekedwa kwambiri m'malo mwa inductor monga gawo lomwe limasamutsa mphamvu yaumunthu kumapangitsa kuti dongosololi likhale lotetezeka. Komabe, imapangitsanso kuti ikhale yochepa (ndi 5%) komanso yokwera mtengo (ndi 50%). Insulation imapangitsa kuti mphamvu yamagetsi ikhale yokwera kwambiri kuti isapitirire kuchoka pazomwe zimalowetsa mpaka kutulutsa. Kumbali ina, mapangidwe opangidwa ndi mphamvu zochepa nthawi zambiri amagwiritsa ntchito mapangidwe osadzipatula.

• Mphamvu yamagetsi yosasunthika vs. Constant Current LED Driver

Chifukwa ma LED ali ndi mawonekedwe apadera a VI, sizikunena kuti gwero lanthawi zonse liyenera kuwapatsa mphamvu. Komabe, dalaivala wamagetsi wanthawi zonse wa LED angagwiritsidwe ntchito ngati chowongolera chowongolera kapena chopinga chilumikizidwa mndandanda ndi ma LED kuti achepetse magetsi. Zizindikiro ndi kuunikira kwa mizere nthawi zambiri zimagwiritsa ntchito madalaivala a LED okhala ndi 12V, 24V, kapena 48V chifukwa ndiabwino kwambiri kuposa madalaivala anthawi zonse a LED, omwe ndi chizolowezi chowunikira ngati mababu, magetsi amzere, zowunikira, zowunikira mumsewu, ndi zina zambiri. Malingana ngati madzi okwana sadutsa malire a magetsi, njira yothetsera magetsi nthawi zonse imapangitsa kuti ogwiritsa ntchito asinthe kuchuluka kwa kuwala, ndikupatseni kusinthasintha kwakukulu kwa unsembe m'munda.

• Class I vs. Class II LED Driver

Pankhaniyi, I ndi II zalembedwa mu manambala achiroma m'malo mwa 1 ndi 2, zomwe zikutanthauza chinthu chosiyana kwambiri, monga mukuwonera mu chinthu chotsatira. Malamulo a IEC (International Electro-technical Commission) amagwiritsa ntchito mawu akuti Class I ndi Class II pofotokoza momwe magetsi amapangidwira mkati komanso momwe amatsekereredwa ndi magetsi kuti ogwiritsa ntchito asagwidwe ndi magetsi. IEC Kuti anthu asadabwe ndi magetsi, madalaivala a Class I a LED ayenera kukhala oteteza kulumikizidwa kwapadziko lapansi komanso kutsekereza kofunikira. Palibe chifukwa cholumikizira nthaka (pansi) yotetezedwa chifukwa mitundu yolowetsa ya IEC Class II ili ndi zina zowonjezera zachitetezo monga kutchinjiriza kawiri kapena kulimbitsa. Madalaivala a Class I a LED nthawi zambiri amakhala ndi kulumikizana kwapansi pazolowera, pomwe oyendetsa kalasi II alibe. Komabe, madalaivala a kalasi II ali ndi milingo yayikulu yotchinjiriza kuchokera pazolowera kupita kumalo otsekeredwa kapena kutulutsa. Ndipo apa pali zizindikiro zofala kwambiri zamakalasi I ndi II.

• Class 1 vs. Class 2 LED Driver

Nambala zachiarabu 1 ndi 2 zimayimira malingaliro a NEC (National Electric Code) a kalasi 1 ndi 2, motsatana. Malingaliro awa amafotokoza kutulutsa kwamagetsi ochepera 60Vdc pamalo owuma ndi 30Vdc pamalo onyowa, osakwana 5A pano, komanso mphamvu zosakwana 100W, komanso zofunikira mwatsatanetsatane za mawonekedwe a dera. Kugwiritsa ntchito madalaivala a kalasi 2 LED kuli ndi zabwino zambiri. Kutulutsa kwawo kumawonedwa ngati kotetezeka, kotero palibe chitetezo china chofunikira pama module a LED kapena zowunikira. Izi zimapulumutsa ndalama pakuyezetsa ndi chitetezo. UL1310 ndi UL8750 amakhazikitsa malamulo a Class 2 madalaivala a LED. Koma chifukwa cha malire awa, woyendetsa Class 2 LED amatha kulimbitsa ma LED angapo.

• Dimmable vs. Non-Dimmable LED Driver

Munthawi yatsopanoyi, kuwala kulikonse kumapangidwa kukhala mdima. Iyi ndi nkhani yaikulu chifukwa pali njira zambiri zozimitsira magetsi. Tiyeni tikambirane chilichonse motsatira.

1) 0-10V/1-10V dimming LED Dalaivala

2) PWM dimming LED Dalaivala

3) Triac dimming Dalaivala LED

4) DALI dimming Dalaivala LED

5) Kusintha kwa mtengo wa DMX Dalaivala LED

6) Ma Protocol ena a LED Driver

• Madzi Opanda Madzi vs. Opanda Madzi Oyendetsa LED

IEC 60529 imagwiritsa ntchito IP (chitetezo cha ingress) certification monga njira yokhayo yokhazikitsira digirii yomwe madalaivala a LED sakhala ndi madzi. Khodi ya IP imapangidwa ndi manambala awiri. Nambala yoyamba imayesa chitetezo ku zinthu zolimba pa sikelo kuchokera ku 0 (palibe chitetezo) kufika pa 6 (palibe fumbi lolowa), ndipo nambala yachiwiri imayesa chitetezo ku zakumwa pa sikelo kuchokera ku 0 (palibe chitetezo) kufika pa 7. (8 ndi 9) musabwere nthawi zambiri mu bizinesi yowunikira. Madalaivala a LED okhala ndi ma IP20 kapena otsika amagwiritsidwa ntchito mkati, pomwe oyendetsa opanda madzi amagwiritsidwa ntchito kunja. Koma izi sizichitika nthawi zonse. Mwachitsanzo, mapulogalamu ena amkati amagwiritsa ntchito madalaivala a LED opanda madzi chifukwa amatha kutulutsa mphamvu zambiri kuposa ma IP otsika osafunikira makina oziziritsa, kuwapangitsa kukhala ocheperako kuposa madalaivala a LED omwe ali ndi IP.

Kodi Ballast Ndi Chiyani Ndipo Chifukwa Chiyani Sagwiritsidwa Ntchito Pamagetsi A LED?

Mababu atapangidwa koyamba, anali ndi makina mkati mwake. Ntchito ya chinthu ichi inali kuchepetsa kuyenda kwa magetsi kudzera mudera. Ballast ndi dzina la chinthu ichi. Ngati izi sizinagwiritsidwe ntchito mu mababu a kuwala ndi mababu a T8, panalibe mwayi woti magetsi ochulukirapo atha kupanga (machubu). Ballast imagwiritsidwabe ntchito mu mababu ndi nyali zamachubu kuti magetsi asakwere kwambiri. Ma Ballasts amagwiritsidwanso ntchito nthawi zambiri ndi HID, metal halide, ndi magetsi a mercury vapor.

• Maginito Ballast 

Ma inductors, omwe amatchedwanso maginito ballasts, amapatsa nyali zina momwe magetsi amayambira ndikuyendetsa. Chitani ngati thiransifoma, yopereka magetsi aukhondo komanso olondola. Ngakhale idapangidwa m'ma 1960, idagwiritsidwa ntchito kuyambira 1970s mpaka 1990s. Mutha kuwapeza mu nyali za High-Intensity Discharge (HID), nyali za Metal Halide, nyali za mercury vapor, nyali za fulorosenti, nyali za neon, ndi zina zotero. Ma LED asanayambe kusintha teknolojiyi cha m'ma 2010, idagwiritsidwa ntchito pafupifupi m'malo onse oimika magalimoto ndi magetsi a mumsewu kwa zaka pafupifupi 30.

• Electric Ballast

Mu ballast yamagetsi, dera limagwiritsidwa ntchito kuchepetsa katundu kapena kuchuluka kwa panopa. Electronic Ballast imayesetsa kuti magetsi azikhala okhazikika komanso olondola kuposa maginito. Anthu anayamba kuzigwiritsa ntchito kwambiri m’zaka za m’ma 1990, ndipo akugwiritsidwabe ntchito mpaka pano. 

• Ntchito ya Ballast 

Ballast imayang'anira kuchuluka kwa magetsi omwe amapita ku mababu ndikuwapatsa mphamvu zokwanira kuyatsa. Popeza nyali zilibe mphamvu, zimatha kugwiritsa ntchito magetsi ochulukirapo kapena ochepa pawokha. The ballast amaonetsetsa kuti kuchuluka kwa magetsi kulowa mu nyali si kupyola zimene specifications kuwala kulola. Popanda ballast, nyali kapena babu zimakoka mwachangu magetsi ochulukirapo, omwe amatha kuchoka m'manja.

Pamene ballast imayikidwa mu nyali, mphamvu imakhala yokhazikika, ndipo ballast imayendetsa mphamvu kuti magetsi asapite ngakhale pamene magetsi agwirizanitsidwa ndi magwero amphamvu kwambiri.

• Chifukwa Chiyani Ma LED Osagwiritsa Ntchito Ballast?

Ma LED safuna ballast pazifukwa zingapo. Choyamba, magetsi a LED sagwiritsa ntchito magetsi ambiri. Komanso, mufunika chosinthira cha AC-to-DC popeza ma LED nthawi zambiri amayendera Direct Current (DC). Soketi iyenera kukhala ndi mawaya mwachindunji mukasinthira ku mababu a chimanga cha LED. Pomaliza, chifukwa ma LED ndi ang'onoang'ono kuposa mababu ndi nyali zamachubu, palibe malo owonjezera kuti ballast ikwane. Madalaivala a LED amatha kutenga malo ochepa kwambiri. Akatswiri ena amaganizanso kuti chifukwa chakuti ma LED safuna chitsulo chotchinga, amagwiritsa ntchito mphamvu zochepa komanso amawunikira kwambiri.

• Ma Ballasts vs. LED Driver

Nyali za LED ndi fulorosenti sizingagwire ntchito popanda chosinthira pakati pa babu ndi gwero lamagetsi. Kumbali imodzi, nyali zamtundu wa incandescent zimatenthetsa filament ndi magetsi kuti apange kuwala. Ma LED, mbali ina, amagwiritsa ntchito madalaivala otsogola m'malo mwa ma ballasts. Ma ballasts ndi madalaivala otsogola amachita zinthu zambiri zomwezo, kotero kuzisokoneza ndikosavuta.

Izi zimatheka chifukwa cha ma ballast a fulorosenti, omwe amatumiza chiwombankhanga champhamvu kwambiri kumayambiriro kwa moyo wa nyali. Kuwala kukayatsidwa, spike iyi imakhala ngati chowongolera pano. Dalaivala wamagetsi otsogozedwa amasintha gwero lamagetsi kukhala magetsi enaake komanso apano, zomwe zimapangitsa kuti kuwala kwa LED kukulitse. Onse a iwo amateteza kuwala kuti asakhudzidwe ndi gwero la mphamvu.

Dalaivala wa LED amafunikira kuti asinthe kusintha kwapano kukhala komwe kumafunikira ma LED. Ma LED sangathe kuyendetsedwa mwachindunji ndi kusintha kwamakono, kotero woyendetsa wa LED amafunika kuti asinthe. Ma Ballasts asintha kwambiri momwe amapangidwira komanso momwe amavutikira. Ma ballast amatha kuyendetsa magetsi a fulorosenti koma osati ma LED kapena magetsi omwe amagwiritsa ntchito mphamvu zochepa. Madalaivala angapo a LED akuwoneka kuti atulutsa ma ballasts. Chifukwa zimagwira ntchito bwino, woyendetsa LED amatha kuchita zambiri zomwe ballast amachita.

Momwe Mungagwiritsire Ntchito Dalaivala ya LED?

Malangizo okhazikitsa Ma driver a LED

1. Onetsetsani kuti dalaivala wanu wa LED akugwira ntchito ndi makina onse a LED omwe mukufuna kuti mulumikizeko ndi gwero lamagetsi lomwe mukufuna kugwiritsa ntchito. Mavoti onse a Amperage ndi Voltage ayenera kukhala ofanana.
2. Onetsetsani kuti dalaivala sadzakumana ndi mavuto m'malo omwe sanapangidwe kuti athane nawo. Mwachitsanzo, ngati mukufuna kuyika ma LED panja, onetsetsani kuti dalaivala amatha kusamalira madzi mokwanira.
3. Mukadziwa mawaya omwe ali abwino komanso oyipa, mutha kutulutsa socket yanu pagululi.
4. Gwiritsani ntchito zomangira zamtundu wolondola kumangiriza dalaivala ku dongosolo la LED.
5. Lumikizani mawaya abwino ndi oyipa kuchokera ku dongosolo la LED kupita kumalo oyenera pa dalaivala.
6. Lumikizani poyambira pansi ku waya wobiriwira wochokera kwa dalaivala (GND).
7. Lumikizani mawaya abwino ndi oyipa kuchokera ku socket yamagetsi kupita ku ma terminals abwino ndi oyipa pa driver.
8. Yang'anani mwatcheru kuyikako kuti muwonetsetse kuti zolumikizira zonse zili zolimba komanso zili pamalo oyenera komanso kuti kutentha sikumachuluka. Ngati china chake chalakwika, zimitsani mphamvuyo ndikuwona chomwe chalakwika.

Momwe Mungakonzere Dalaivala Yowunikira Kuwala kwa LED?

1. Tembenuzani mphamvuyo.
2. Tsegulani dalaivala ndi screwdriver ndikuyang'ana mosamala zipsera zamoto ndi zolakwika zina zomwe zimakhala zosavuta kuziwona.
3. Gwiritsani ntchito zida zoyesera zamagetsi kuti mupeze zigawo zomwe zasweka.
4. Ngati mungathe, sinthani magawowa ndikuyesanso chipangizocho. Ngati sizingachitike, dalaivala yonse iyenera kusinthidwa.

Zomwe Muyenera Kuziganizira Musanasankhe Woyendetsa LED

• Dimming DC

Kodi mungafune kuti ma LED asakhale owala pang'ono? Kapena mukufuna kusintha momwe kuwala kumawonekera? Kenako sankhani dalaivala wocheperako kapena magetsi. Chifukwa chiyani? Magwero a magetsi ndi osavuta kusiyanitsa chifukwa cha momwe amagwirira ntchito. Gome lofotokozera lilinso ndi zambiri zowonjezera, monga mitundu ya maulamuliro a dimmer omwe angagwiritsidwe ntchito ndi madalaivala.

• Zosowa za Mphamvu

Chimodzi mwazinthu zoyamba kuganizira ndi kuchuluka kwa magetsi omwe nyali yanu imafunikira. Chifukwa chake, ngati LED yanu ikufunika ma volts 20 kuti igwire ntchito, muyenera kugula dalaivala wa 20-volt.

Mwachidule, cholinga chake ndikuwonetsetsa kuti dalaivala wanu akupeza mphamvu zokwanira. Lamulo lalikulu ndiloti muyenera kugwira ntchito yanu mkati mwa kuwala.

Kwa woyendetsa-voltage wokhazikika, mutha kuganiziranso zamtundu wamagetsi. Koma mutha kuyeza ma voliyumu ndi ma voteji apano ndi dalaivala wanthawi zonse.

Samalani ndi mphamvu yamagetsi yomwe nyali ya LED ikufunira idzagwiritse ntchito. Chifukwa chake, onetsetsani kuti dalaivala wa LED amatha kuyendetsa magetsi kuchokera ku LED. Mwanjira imeneyi, ndizosavuta kutsika kumagetsi ofunikira.

Komanso, muyenera kuganizira za watts. Panthawiyi, onetsetsani kuti mwagula dalaivala wokhala ndi madzi ochulukirapo kuposa kuwala.

• Mphamvu za Mphamvu

Mphamvu yamagetsi imathandiza kudziwa kuchuluka kwa mphamvu zomwe dalaivala amagwiritsa ntchito kuchokera pamagetsi amagetsi. Ndipo mndandandawu nthawi zambiri umachokera ku -1 mpaka 1. Popeza izi zili choncho, mphamvu ya 0.9 kapena kuposa ndiyomwe imakhalapo. Mwa kuyankhula kwina, pamene nambala ikuyandikira kwa imodzi, dalaivala amagwira ntchito bwino.

• Safety

Madalaivala anu a LED ayenera kukwaniritsa miyezo ingapo. Mwachitsanzo, tili ndi makalasi a UL 1 ndi 2. Gwiritsani ntchito UL Class 1 kwa madalaivala omwe amazimitsa magetsi ambiri. Zokonzekera ziyenera kukhazikitsidwa motetezeka kwa madalaivala a gulu ili. Itha kukhalanso ndi ma LED ambiri, zomwe zimapangitsa kuti zizigwira ntchito bwino.

Pamlingo wa ma LED, madalaivala a UL Class 2 safuna zambiri zachitetezo. Imakwaniritsanso miyezo yokhazikitsidwa ndi UL1310. Ngakhale kalasiyi ndi yotetezeka, imatha kuyendetsa ma LED angapo panthawi imodzi.

Dongosolo la IP ndi njira ina yowonera momwe khola la driver lilili otetezeka komanso zomwe angachite. Ngati muwona IP67, mwachitsanzo, zikutanthauza kuti woyendetsa ndi wotetezeka ku fumbi komanso kumizidwa mwachidule m'madzi.

• Mwachangu

Gawoli ndilofunika chifukwa likuwonetsa mphamvu zomwe dalaivala wa LED amafunikira. Mtengo ukuwonetsedwa malinga ndi kuchuluka kwa magawo. Chifukwa chake, mutha kuyembekezera kuti izigwira ntchito pakati pa 80% ndi 85% yanthawiyo.

Ubwino Wa Woyendetsa LED

Ma voliyumu otsika a 12 mpaka 24 volts magetsi ma LED okhala ndi magetsi olunjika. Chifukwa chake, ngakhale magetsi anu a AC ali okwera, pakati pa 120 ndi 277 volts, dalaivala wa LED asintha komwe akulowera. Mwa kuyankhula kwina, kutsika kuchoka pa kusinthana kupita ku chiwongoladzanja ndikothandiza. Mutha kupezanso kuchuluka koyenera kwamagetsi apamwamba komanso otsika.

Madalaivala a LED amateteza ma LED kuti asasinthe magetsi kapena magetsi. Ngati magetsi a LED asintha, magetsi amakono amatha kusintha. Pachifukwa ichi, kutulutsa kwa magetsi a LED kumagwirizana ndi kuchuluka komwe ali nako. Ma LED amayeneranso kugwira ntchito mkati mwamtundu wina. Chifukwa chake, mphamvu yamagetsi yaying'ono kapena yochulukirapo imatha kusintha kuchuluka kwa kuwala komwe kumatuluka kapena kupangitsa kuti kuwala kwa LED kuthyoke mwachangu chifukwa kumatentha kwambiri.

Cacikulu, Ma driver a LED ali ndi maubwino awiri akulu:

1. Kusintha kuchokera ku AC kupita ku DC.
2. Madalaivala amathandizira kuwonetsetsa kuti mayendedwe amagetsi kapena ma voliyumu satsika pansi pamlingo wake.

Kodi New Illuminant Ifanana ndi New Dimming?

Magwero ena owunikira amatha kuzimitsidwa mwachangu posintha magetsi, koma ma LED amatha kuzimitsidwa posintha chiŵerengero cha voteji mpaka pano. Pachifukwa ichi, pali njira zingapo zochepetsera ma LED:

• Ndi pulse width modulation (PWM) kapena pulse duration moduration (PDM), kuchuluka kwa nthawi yomwe magetsi amaperekedwa akhoza kusinthidwa (PDM). Komabe, voteji yokha sikusintha. Mwanjira ina, PWM imayatsa ndi kutseka ma LED mwachangu. Izi zimachitika kwambiri ngati ma frequency ali pamwamba pa 100 Hz. Ubongo umaganiza kuti chipindacho ndi chakuda chifukwa diso la munthu silingadziwe kuti kugwedezeka kumachitika mpaka 75 Hz.

• Ma triacs ndi dimmers control phase adapangidwira mababu a incandescent a 60W, omwe amapereka kuwala kochepa pomwe mbaliyo ili ndi 130 °. Kumbali ina, ma LED ndi abwino kwambiri ndipo amagwiritsa ntchito magetsi ochepa kuti aziwunikira. Chifukwa cha izi, ma LED sakhala ochepa kwambiri pamakona a 130 °. Komanso, kugwirizira pakali pano sikungakhale kokwanira kusunga triac mu conductive state pamene dimming ili pamwamba. Chifukwa chake, ma LED ayamba kung'ambika. Komabe, madalaivala ena a LED amamangidwa mkati kuti athane ndi vutoli.

• 1-10V: Mu njira ya 1-10V, ma ballasts ndi ma unit control amalumikizidwa ndi polarized two-wire control line. Magetsi a DC pakati pa 1 ndi 10 volts amagwiritsidwa ntchito kuwongolera kuwala, ndipo mphamvu yamagetsi ikawonjezeka, momwemonso kuwala kwa kuwalako. Mutha kuyimitsa zinthu za LED ndi 1-10V, koma zimafunikira magwero amagetsi. Chigawo chowongolera chiyeneranso kutenga zomwe zilipo panopa zomwe magetsi amatumiza kudzera mu mzere wolamulira. Chifukwa chake, 1-10V dimming ndi chisankho chabwinoko pamakina akulu owunikira.

Kodi Dalaivala ya LED Imakhala Yofunika Liti?

Nthawi zambiri, gwero lililonse la kuwala kwa LED limafuna woyendetsa. Koma funso lalikulu liyenera kukhala, "Kodi ndiyenera kugula padera?" Vuto ndiloti mababu ena a LED ali ndi dalaivala yomangidwa mkati momwemo. Komanso, ma LED opangira nyumba nthawi zambiri amabwera ndi madalaivala a LED. Ndipo chitsanzo chabwino ndi mababu a 120-volt okhala ndi mabasi omwe ali GU24/GU10 kapena E26/E27.

Ma LED amagetsi otsika, monga nyali za tepi, mababu a MR, magetsi akunja, mapanelo, ndi zina zowunikira, amafunikira dalaivala wa LED kuti agwire bwino ntchito.

Mukamagwira ntchito ndi ma LED otsika magetsi, mumafunika madalaivala a LED. Koma simunganene chimodzimodzi za mababu a LED a 120-volt omwe amagwiritsidwa ntchito m'nyumba.

Print Mounting Ndi HighBay Mounting

Ma LED amatha kuikidwa mu HighBay mounting ndi kusindikiza kukwera m'njira zingapo, malingana ndi zosowa za polojekitiyi: Mwachitsanzo, ma LED otchedwa SMD (chida chokwera pamwamba) angagwiritsidwe ntchito m'mipata yothina. Chifukwa amatha kugulitsidwa pamitengo yosindikizidwa, safuna mawaya. Komabe, fufuzani kuti muwonetsetse kuti mbali zonse zimagwirizana.

M'zipinda zazikulu, pamafunika kuwala kochulukirapo. Chifukwa cha izi, maholo amafakitale ndi masitolo ogulitsa amagwiritsa ntchito zowunikira za HighBay, zomwe ndi nyali zamphamvu zapadenga. Izi ziyenera kukhala ndi mawaya padera, koma ndizolimba kwambiri. Atha kulumikizidwa ndi mawaya amagetsi okhazikika a 230V AC. Kuti ma LED asatenthe kwambiri, madalaivala ngati XBG-160-A amalumikizidwa kutsogolo kwawo. Izi zili ndi chitetezo ku kuchuluka komwe kungathe kuchepetsa kuchuluka kwa ndalama zomwe zimatumizidwa.

Mitundu ya Madalaivala a LED

• Constant-Current

Dalaivala wa LED uyu amangofunika kuchuluka kwazomwe zimachokera komanso ma voltages osiyanasiyana. Constant current ndi chiwongolero chapadera chomwe chimayesedwa mu ma milliamp kapena ma amp ndipo chimakhala ndi ma voltages osiyanasiyana omwe amasintha kutengera kuchuluka kwa LED yomwe ikugwiritsidwa ntchito (kuthamanga kwake kapena kulemera kwake).

• Constant-Voltge

Madalaivala a Constant-voltage LED amakhala ndi voteji yosalekeza komanso yotulutsa pakali pano. Module ya LED imakhalanso ndi dongosolo lamakono lomwe chowongolera chosavuta kapena dalaivala wanthawi zonse wamkati amatha mphamvu.

Amangofunika mphamvu imodzi yokha, nthawi zambiri 12 kapena 24 volts DC.

• Madalaivala a LED Kwa AC

Mwachidziwitso, dalaivala wa LED uyu amatha kuyendetsa magetsi a halogen kapena incandescent ndi magetsi otsika. Koma ma thiransifoma wamba sangagwiritsidwe ntchito ndi madalaivala a AC LED chifukwa sangadziwe nthawi yomwe magetsi ali otsika. Chifukwa chake, ali ndi ma transfoma omwe alibe katundu wocheperako.

• Madalaivala Oyima a LED

Ndi madalaivala a LED awa, mutha kuyimitsa magetsi anu a LED. Zimakupatsaninso mwayi wowongolera kuwala kwa ma LED okhala ndi magetsi osasintha. Ndipo imachita izi pochepetsa kuchuluka kwa magetsi omwe amapita ku nyali ya LED isanayatse.

Mapulogalamu a Madalaivala a LED

• Magalimoto a LED Oyendetsa

Ndi madalaivala apamwamba amagalimoto a LED, mutha kudziwa kusiyana pakati pa makina owunikira mkati ndi kunja kwa galimoto yanu m'njira zambiri:

1. Gulu la magetsi akutsogolo
2. infotainment 
3. Kuunikira mkati ndi kumbuyo 

• Madalaivala a LED akumbuyo

LCD backlight LED madalaivala nthawi zambiri amagwiritsa ntchito dimming scheme kuwongolera kuwala kwa backlight.

• Kuwala kwa Madalaivala a LED

Mutha kukhazikitsa zida zanu ndi madalaivala a LED kuti zikhale ndi kuyatsa kwa infrared. Zitha kuchitidwanso mothandizidwa ndi multi-topology yokhazikika-panopa woyang'anira.

• Madalaivala a LED a RGB

Ndi madalaivala a RGB LED, mutha kuwonjezera makanema ojambula pamanja kapena chizindikiro pamagulu anu a LED okhala ndi mitundu yopitilira imodzi. Komanso, nthawi zambiri amagwira ntchito ndi zolumikizira zambiri.

• Dalaivala yowonetsera ma LED

Mothandizidwa ndi madalaivala owonetsera ma LED, mutha kuwongolera zingwe ziti za LED zomwe zimagwiritsa ntchito mphamvu zochepa kwambiri. Chifukwa chake, madalaivalawa atha kugwiritsidwa ntchito ndi pixel yayikulu yopapatiza kapena yankho la matrix pazithunzi zazing'ono kapena zazing'ono za digito za LED.

Ndi Dalaivala yanji ya LED yomwe Ndikufunika?

Kuti mudziwe kukula kwa dalaivala wa LED omwe angakwaniritse zosowa zanu, muyenera kudziwa izi:

1. Mphamvu yamagetsi ya mains yomwe mukugwiritsa ntchito
2. Mphamvu zonse zomwe ma LED amagetsi amagwiritsa ntchito
3. Ndi magetsi otani kapena magetsi okhazikika omwe ma LED amafunikira

Ngati pali zinthu zina zaukadaulo, monga kufunikira kowongolera bwino mtundu kapena kuthekera kwa mawonekedwe amadzi, zomwe zingakhudze momwe madalaivala a LED amagwirira ntchito. Chiyerekezo cha IP cha LED chikuwonetsa kusagwirizana ndi madzi; mlingo wapamwamba umatanthauza kuti ndi wosamva. Pokhala ndi IP 44, mankhwalawa amatha kugwiritsidwa ntchito m'makhitchini ndi malo ena pomwe madzi amatha kuwawalirapo nthawi zina. Dalaivala yemwe ali ndi IP yapamwamba, ngati 67, angagwiritsidwe ntchito kunja. Madalaivala omwe ali ndi IP 20 ayenera kugwiritsidwa ntchito mkati, pomwe ndi youma.

Zambiri, mutha kuwerenga Momwe Mungasankhire Mphamvu Yoyenera ya LED.

FAQs

Chidule

Madalaivala a LED amagwiritsidwa ntchito m'mafakitale osiyanasiyana, monga ma LED. Mukhozanso kuyatsa malo anu ndi ma transformer osiyanasiyana, magetsi, ndi madalaivala omwe alipo. Chifukwa ma LED ndi osinthika, kuwonjezera mawonekedwe anzeru ndikusintha kuwala ndikosavuta. Mwanjira imeneyi, madalaivala a LED ndi ofunikira kuti apange kuunikira kwamakono, kothandiza, komanso kotsika mtengo.

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