Umhlahlandlela Ophelele Wabashayeli Be-LED

Njengoba imithetho yamandla iba namandla, abantu abaningi bayazi ukuthi ama-LED, noma ama-light-emitting diode, ahlala isikhathi eside futhi onge amandla. Kodwa bambalwa abantu abaqondayo ukuthi le mithombo yokukhanya yobuchwepheshe obuphezulu ayikwazi ukusebenza ngaphandle komshayeli we-LED. Abashayeli be-LED, ngezinye izikhathi ababizwa ngokuthi izinsiza zamandla e-LED, bafana ne-ballast yezibani ze-fluorescent noma ama-transformer ama-low-voltage bulb. Banikeza ama-LED ugesi awudingayo ukuze asebenze futhi asebenze ngokusemandleni awo.

Iyini i-LED Driver?

Umshayeli we-LED ulawula ukuthi i-LED noma iqembu lama-LED idinga amandla angakanani. Njengoba ama-diode akhipha ukukhanya kungamathuluzi okukhanyisa angamandla amancane anempilo ende kanye nokusetshenziswa kwamandla aphansi, adinga imithombo yamandla ekhethekile.

Imisebenzi eyinhloko yabashayeli be-LED ukuhlinzeka nge-voltage ephansi nokuvikela ama-LED.

I-LED ngayinye ingasebenzisa kufikela ku-30mA wamanje futhi isebenze kuma-voltage acishe abe ngu-1.5V kuya ku-3.5V. Ama-LED amaningi angasetshenziswa ochungechungeni futhi ngokuhambisana ukwenza ukukhanyisa kwasekhaya, okungase kudinge isamba sevoltheji engu-12 kuya ku-24 V DC. Umshayeli we-LED ujikisa i-AC ukuze ahlangabezane nezidingo futhi ehlise i-voltage. Lokhu kusho ukuthi amandla kagesi aphezulu e-AC, asukela ku-120V kuya ku-230V, kufanele ashintshwe abe amandla kagesi aphansi e-DC adingekayo.

Abashayeli be-LED futhi ivikela ama-LED ekushintsheni kwamandla kagesi namanje. Noma ngabe ama-mains ashintshashintsha, amasekhethi aqinisekisa ukuthi i-voltage kanye namanje okuya kuma-LED kuhlala kububanzi obufanele ukuze basebenze. Ukuvikela kumisa ama-LED ekutholeni i-voltage eningi kanye namanje, okungawalimaza, noma ukungasebenzi kahle kwamandla, kuwenze angakhanyi kakhulu.

Basebenza Kanjani Abashayeli Be-LED?

Lapho izinga lokushisa le-LED lishintsha, kanjalo nezidingo zayo ze-voltage eya phambili. Njengoba kushisa kakhulu, i-voltage encane iyadingeka ukuze kuhambe imanje nge-LED, ngakho isebenzisa amandla engeziwe. I-Thermal Runaway yilapho izinga lokushisa likhuphuka lingalawuleki futhi lishisa i-LED. Amazinga okukhipha amandla kuzishayeli ze-LED enziwa ukuthi ahlangabezane nezidingo zama-LED. Umsinga oqhubekayo womshayeli ugcina izinga lokushisa lizinzile ngokuphendula izinguquko ku-voltage eya phambili.

Isetshenziselwani Umshayeli We-LED?

Ama-transformer amalambu anamandla aphansi enza into efanayo naleyo eyenziwa abashayeli be-LED kuma-LED. Izibani ze-LED ngamadivayisi ane-voltage ephansi ngokuvamile asebenza ku-4V, 12V, noma 24V. Ukuze basebenze, badinga umthombo wamandla amanje aqondile. Kodwa ngenxa yokuthi amandla kagesi esokhethi odongeni ngokuvamile aneVoltage ephakeme kakhulu (phakathi kuka-120V no-277V) futhi akhiqiza amandla ashintshayo, awahambisani ngokuqondile. Njengoba i-voltage evamile ye-LED iphansi kakhulu ku-transformer evamile, abashayeli be-LED abakhethekile basetshenziselwa ukuguqula i-high-voltage alternating current ibe yamanje eqondile ye-low-voltage.

Enye into eyenziwa abashayeli be-LED ukuvikela ekukhuphukeni kwamandla, nezinguquko, ezingenza amazinga okushisa akhuphuke futhi ukuphuma kokukhanya kwehle. Ama-LED enziwa ukuthi asebenze kuphela phakathi kwebanga elithile lama-amps.

Abanye abashayeli be-LED bangakwazi futhi ukushintsha ukukhanya kwamasistimu e-LED axhunyiwe kanye nokuhleleka kwemibala ekhonjiswa ngayo. Ukuze wenze lokhu, kufanele uvule futhi uvale ngokucophelela i-LED ngayinye. Isibonelo, izibani ezimhlophe ngokuvamile zenziwa ngokuvula inqwaba yama-LED anemibala ehlukene ngesikhathi esisodwa. Uma ucisha amanye ama-LED, umbala omhlophe uyanyamalala.

Ubukhulu obuhlukahlukene bokuchaza abashayeli be-LED.

•  Ingaphandle vs. Umshayeli we-LED wangaphakathi

Umehluko phakathi kwabashayeli be-LED bangaphandle nabangaphakathi ungakhiwa zibe izibani (ingaphakathi), ubeke phezu kwezinto ezikhanyayo, noma ubekwe ngaphandle kwazo (Okwangaphandle). Amalambu amaningi asendlini anamandla aphansi, ikakhulukazi ama-bulb, anezishayeli ze-LED ezakhelwe ngaphakathi. Lokhu kwenza izibani zishibhe futhi zikhange nakakhulu. Ngakolunye uhlangothi, amalambu aphansi namaphaneli ngokuvamile anezishayeli ze-LED ngaphandle.

Uma usebenzisa amandla amaningi, njengezibani zomgwaqo, izibani zesikhukhula, izibani zenkundla, nezibani ezikhulayo, izishayeli ze-LED zangaphandle zisetshenziswa kakhulu. Lokhu kungenxa yokuthi ukushisa ngaphakathi kwezibani kuba kubi kakhulu njengoba amandla enyuka. Enye into enhle ngamashayeli e-LED angaphandle ukuthi angashintshwa kalula ukuze alungiswe.

• Ukushintsha Ukunikezwa kwamandla ngokumelene ne-Linear Regulator

Ngenxa yokuthi abashayeli be-LED abalayini balula kakhulu, i-resistor, i-MOSFET elawulwayo, noma i-IC kungase kudingeke konke ukwenza i-LED ibe yamanje. Iningi le-AC LED, izinhlelo zokusebenza zokusayina, nokuhluba ziyazisebenzisa. Ngenxa yalokhu, ukunikezwa kwamandla kungashintsha kalula, futhi manje sekunenombolo enkulu yemithombo yamandla kagesi njalo, njenge-12V kanye nama-24V abashayeli be-LED. Isilawuli somugqa sichitha amandla amaningi, ngakho-ke ukukhanya akukwazi ukukhanyisa ngendlela okungakhanya ngayo ngokushintsha kwamandla kagesi.

Izinsiza zokushintsha ezisebenza kahle kakhulu ngokwemvelo ziholela ekusebenzeni kahle kokukhanya okuphezulu, okuyinto ebaluleke kakhulu ezinhlelweni eziningi zokukhanya. Futhi, ukushintsha okuphakelayo kwamandla kuncipha kancane, kunamandla aphezulu, futhi kungaphatha ama-surges kangcono kunama-AC LED.

• Abashayeli Be-LED Abangabodwa vs. Abashayeli Be-LED Abangebona Ababodwa

Uma siqhathanisa lezi zinto ezimbili, ngayinye yazo siyibiza ngokuthi i-switching power supply. Ngokwemithetho ye-UL ne-CE, umklamo ongawodwa uvame ukusebenza ku-4Vin+2000V naku-3750Vac, futhi ama-voltages okokufaka nawokukhiphayo ahlukaniswe kahle. Ukusebenzisa i-transformer evalekile kakhulu esikhundleni se-inductor njengengxenye edlulisela amandla omuntu kwenza uhlelo luphephe. Noma kunjalo, iphinde iyenze ingasebenzi kahle (ngo-5%) futhi ibize kakhulu (ngo-50%). I-insulation igcina i-voltage ephezulu isuka kokufakwayo iye kokuphumayo. Ngakolunye uhlangothi, imiklamo eyakhelwe ngaphakathi enamandla aphansi ngokuvamile isebenzisa imiklamo engahlukanisiwe.

• I-Constant Voltage vs. Constant Current LED Driver

Ngenxa yokuthi ama-LED anezici ze-VI ezihlukile, akusho ukuthi umthombo wamanje oqhubekayo kufanele uwanike amandla. Kodwa-ke, umshayeli we-LED we-voltage engaguquki ungasetshenziswa uma isilawuli selayini noma isixhasi sixhunywe ochungechungeni ne-LED ukuze kukhawulwe yamanje. Izimpawu nokukhanyisa kwemichilo kuvame ukusebenzisa amashayeli e-LED ane-voltage engu-12V, 24V, noma i-48V ngoba asebenza kahle kakhulu kunezishayeli zamanje ze-LED ezingaguquki, okujwayelekile ekukhanyisweni okujwayelekile njengamalambu, amalambu amugqa, amalambu aphansi, amalambu omgwaqo, njll. Inqobo nje uma isamba samanzi singeqi umkhawulo wokunikezwa kwamandla, isixazululo se-voltage esingaguquki senza kube lula kubasebenzisi ukushintsha inani lokukhanya, okukunikeza ukuguquguquka okukhulu kokufakwa endaweni.

• I-Class I vs. Class II LED Driver

Kulokhu, I no-II zibhalwe ngezinombolo zamaRoma esikhundleni sika-1 no-2, okusho into ehluke ngokuphelele, njengoba ungabona entweni elandelayo. Imithetho ye-IEC (International Electro-technical Commission) isebenzisa amagama e-Class I kanye ne-Class II ukuchaza ukuthi ugesi wakhiwe kanjani ngaphakathi nokuthi uvalwa kanjani ngogesi ukuze kuvinjwe abasebenzisi ukuthi bangashaqeki ugesi. I-IEC Ukuze abantu bangethuki ngogesi, abashayeli be-LED be-Class I kufanele babe nokuxhunywa komhlaba okuvikelwe kanye nokufakwa kwezinto ezibalulekile. Asikho isidingo soxhumano oluvikelekile lomhlaba (ophansi) ngoba amamodeli okokufaka we-IEC Class II anezici zokuphepha ezengeziwe ezifana nokufakwa okuphindwe kabili noma okuqinisiwe. Abashayeli be-LED be-Class I bavame ukuba noxhumano oluphansi ekufakweni, kuyilapho abashayeli beklasi II bengenakho. Kodwa-ke, abashayeli bekilasi II banamazinga aphezulu okufakelwa ukusuka kokokufaka kuya endaweni ebiyelwe noma okukhiphayo. Futhi nazi izimpawu ezivame kakhulu zamakilasi I no-II.

• Class 1 vs. Class 2 LED Driver

Izinombolo zesi-Arabhu u-1 no-2 umele imibono ye-NEC (National Electric Code) yekilasi 1 no-2, ngokulandelana. Le mibono ichaza ukukhishwa kwamandla angaphansi kuka-60Vdc endaweni eyomile kanye ne-30Vdc endaweni emanzi, ngaphansi kuka-5A wamanje, namandla angaphansi kuka-100W, kanye nezidingo ezinemininingwane yesici somklamo wesifunda. Ukusebenzisa abashayeli be-LED beklasi 2 kunezinzuzo eziningi. Okukhiphayo kuthathwa njengetheminali ephephile, ngakho-ke asikho isivikelo esengeziwe esidingekayo kumamojula we-LED noma izinto ezikhanyayo. Lokhu konga imali ekuhlolweni kwe-insulation nokuphepha. I-UL1310 ne-UL8750 zibeka imithetho yabashayeli be-LED be-Class 2. Kodwa ngenxa yale mikhawulo, umshayeli we-Class 2 LED angakwazi ukunika amandla inombolo ethile yama-LED.

• I-Dimmable vs. I-Non-Dimmable LED Driver

Kulesi sikhathi esisha, konke ukukhanya kwenziwa kube lufifi. Lena indaba enkulu ngoba ziningi izindlela zokufiphalisa izibani. Ake sixoxe ngomunye ngamunye ngokulandelana.

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

2) PWM dimming LED Driver

3) I-Triac dimming Umshayeli we-LED

4) I-DALI iyafiphala Umshayeli we-LED

5) Ukukhanya kwe-DMX Umshayeli we-LED

6) Amanye amaphrothokholi we-LED Driver

• I-LED engangeni manzi iqhathaniswa ne-Non-Waterproof LED Driver

I-IEC 60529 isebenzisa i- IP (ukuvikela ukungena) isitifiketi njengendlela kuphela yokuhlukanisa izinga lapho abashayeli be-LED bengangeni manzi. Ikhodi ye-IP yenziwe izinombolo ezimbili. Inombolo yokuqala ikala ukuvikelwa ezintweni eziqinile esikalini ukusuka ku-0 (akukho kuvikelwa) kuye ku-6 (akukho thuli olungenayo), futhi inombolo yesibili ikala ukuvikelwa oketshezini esikalini ukusuka ku-0 (akukho kuvikelwa) kuya ku-7. (8 futhi 9) ungaveli njalo ebhizinisini lokukhanyisa. Izishayeli ze-LED ezinezilinganiso ze-IP20 noma ezingaphansi zisetshenziswa ngaphakathi, kuyilapho izishayeli ezingangeni manzi zisetshenziswa ngaphandle. Kodwa lokhu akwenzeki njalo. Isibonelo, ezinye izinhlelo zokusebenza zasendlini zisebenzisa izishayeli ze-LED ezingangeni manzi ngoba zingakhipha amandla amaningi kunama-IP aphansi ngaphandle kokudinga isistimu yokupholisa esebenzayo, okuwenza agcine isikhathi esingaphansi kwamashayeli e-LED anesilinganiso se-IP.

Iyini I-Ballast Futhi Kungani Ingasetshenziswa Ezibani Ze-LED?

Lapho kwenziwa izibani okokuqala ngqa, zazinomshini ngaphakathi kwazo. Umsebenzi wale nto bekuwukunciphisa ukuhamba kukagesi ngokusebenzisa isekethe. I-Ballast igama lale nto. Uma lokhu bekungasetshenziswanga kumalambu okukhanya namalambu e-T8, bekusenethuba lokuthi ugesi omningi ungakheka (amashubhu). I-Ballast isasetshenziswa kuma-bulb namalambu eshubhu ukuze kugcinwe i-current ekubeni iphezulu kakhulu. Ama-Ballasts nawo avame ukusetshenziswa nge-HID, i-metal halide, nezibani ze-mercury vapor.

• I-Ballast Magnetic 

Ama-inductors, abuye abizwe ngokuthi ama-ballast kazibuthe, anikeza ezinye izibani izimo zikagesi ezifanele ukuze ziqale futhi zisebenze. Yenza njenge-transformer, unikeze ugesi ohlanzekile nonembile. Yize yenziwa ngeminyaka yawo-1960, yasetshenziswa kusukela ngeminyaka yawo-1970 kuya ko-1990. Ungawathola kumalambu Okuphuma Okukhulu Okunamandla (HID), amalambu e-Metal Halide, amalambu omphunga wemercury, amalambu e-fluorescent, amalambu e-neon, njalonjalo. Ngaphambi kokuthi ama-LED aqale ukushintsha lobu buchwepheshe ngonyaka ka-2010, babusetshenziswa cishe kuzo zonke izindawo zokupaka ezibalulekile namalambu omgwaqo iminyaka engaba ngu-30.

• I-Ballast kagesi

Ku-ballast kagesi, isifunda sisetshenziselwa ukukhawulela umthwalo noma inani lamanje. I-ballast ye-elekthronikhi izama ukugcina ukugeleza kukagesi kuzinzile futhi kunembe kunawozibuthe. Abantu baqala ukusebenzisa lezi kakhulu ngawo-1990, futhi zisasetshenziswa nanamuhla. 

• Umsebenzi we-Ballast 

I-ballast ilawula ukuthi ungakanani ugesi oya kuma-bulb futhi iwanikeza amandla anele okuvula. Njengoba amalambu engakwazi ukulawula, angasebenzisa ugesi omningi noma omncane kakhulu ngokwawo. I-ballast iqinisekisa ukuthi inani likagesi elingena esibanini alidluli lokho okushiwo isibani. Ngaphandle kwe-ballast, isibani noma isibani sizodonsa ngokushesha ugesi owengeziwe, ongaphuma esandleni.

Lapho i-ballast ifakwa esibanini, amandla azinzile, futhi i-ballast ilawula amandla ukuze i-current inganyuki ngisho nalapho izibani zixhunywe emithonjeni yamandla aphezulu.

• Kungani Ama-LED Engasebenzisi I-Ballast?

Ama-LED awadingi i-ballast ngezizathu ezimbalwa. Okokuqala, izibani ze-LED azisebenzisi ugesi omningi. Futhi, udinga isiguquli se-AC-to-DC njengoba ama-LED ngokuvamile asebenza ku-Direct Current (DC). Isokhethi kufanele ifakwe izintambo ngokuqondile lapho ushintshela kumalambu okukhanya ommbila we-LED. Okokugcina, ngenxa yokuthi ama-LED mancane kakhulu kunama-bulb nezibani zamashubhu, asikho isikhala esengeziwe ukuze i-ballast ilingane. Izishayeli ze-LED zingenziwa ukuthi zithathe indawo encane kakhulu. Abanye ochwepheshe bacabanga nokuthi ngenxa yokuthi ama-LED awadingi i-ballast, asebenzisa amandla amancane futhi akhiphe ukukhanya okwengeziwe.

• Ama-Ballasts vs. Umshayeli we-LED

Amalambu e-LED kanye ne-fluorescent awakwazi ukusebenza ngaphandle kwesiguquli phakathi kwe-bulb nomthombo wamandla. Ngakolunye uhlangothi, amalambu e-incandescent ajwayelekile ashisa umcu ngogesi ukuze enze ukukhanya. Ama-LED, ngakolunye uhlangothi, asebenzisa abashayeli abaholayo esikhundleni sama-ballasts. Ama-Ballasts nabashayeli abaholayo benza izinto eziningi ezifanayo, ngakho-ke ukuwahlanganisa kulula.

Lokhu kwenziwa ama-ballast e-fluorescent, athumela i-spike enamandla kakhulu ekuqaleni kokuphila kwesibani. Uma ukukhanya sekukhanyisiwe, lesi sikhala sisebenza njengesilawuli samanje. Umshayeli wamandla aholayo ushintsha umthombo wamandla ku-voltage ethize kanye neyamanje, okwenza i-LED ikhanye. Zombili zigcina ukukhanya kungaphazanyiswa umthombo wamandla.

Kudingeka umshayeli we-LED ukuze kushintshwe i-alternating current ibe eyamanje eqondile edingwa ama-LED. Ama-LED awakwazi ukunikwa amandla ngokuqondile ngokushintshana kwamanje, ngakho-ke kudingeka umshayeli we-LED ukuze awashintshe. Ama-Ballasts ashintshe kakhulu endleleni enziwa ngayo nokuthi ayinkimbinkimbi kangakanani. Ama-Ballast angasebenzisa izibani ze-fluorescent kodwa hhayi ama-LED noma izibani ezisebenzisa amandla amancane. Abashayeli abaningi be-LED babonakala bewakhiphile ama-ballasts. Ngenxa yokuthi isebenza kangcono, umshayeli we-LED angenza izinto eziningi ezenziwa yi-ballast.

Ungayisebenzisa kanjani i-LED Driver?

Imiyalo yokusetha Abashayeli be-LED

1. Qiniseka ukuthi umshayeli wakho we-LED usebenza nawo womabili amasistimu e-LED ofuna ukuyixhuma kuwo kanye nomthombo wamandla ofuna ukuwusebenzisa. Kokubili izilinganiso ze-Amperage ne-Voltage kumele zifane.
2. Qinisekisa ukuthi umshayeli ngeke kudingeke abhekane nezinkinga endaweni engazange yenzelwe ukubhekana nayo. Isibonelo, uma ufuna ukubeka ama-LED ngaphandle, qinisekisa ukuthi umshayeli uyakwazi ukuphatha amanzi kahle ngokwanele.
3. Uma usuwazi ukuthi yiziphi izintambo eziphozithivu nezingezinhle, ungakhipha isokhethi yakho kugridi.
4. Sebenzisa izikulufu zombala olungile ukuze unamathisele umshayeli kusistimu ye-LED.
5. Xhuma izintambo eziphozithivu nezingezinhle kusukela kusistimu ye-LED ziye kumatheminali angakwesokudla kumshayeli.
6. Xhuma itheminali yaphansi ontanjeni yaphansi eluhlaza evela kumshayeli (i-GND).
7. Xhuma izintambo eziphozithivu nezinegethivu kusukela kusokhethi yamandla ukuya kumatheminali avumayo noma angalungile kumshayeli.
8. Hlola ukufakwa ngokucophelela ukuze uqinisekise ukuthi zonke izixhumanisi ziqinile futhi zisendaweni efanele nokuthi ukushisa akwakhi. Uma kukhona okungahambi kahle, vala amandla futhi uthole ukuthi yini engalungile.

Indlela Yokulungisa Umshayeli Welambu Le-LED?

1. Vala amandla.
2. Vula umshayeli nge-screwdriver futhi ubheke ngokucophelela izibazi zokusha nezinye iziphambeko ezibonakala kalula.
3. Sebenzisa izinto zokuhlola zikagesi ukuze uthole izingxenye eziphukile.
4. Uma ukwazi, shintsha lezi zingxenye bese uhlola idivayisi futhi. Uma kungenziwa, umshayeli wonke kufanele ashintshwe.

Izinto Okufanele Uzicabange Ngaphambi Kokukhetha Umshayeli We-LED

• Dimming DC

Ungathanda ukuthi ama-LED angakhanyi kancane? Noma uhlela ukushintsha indlela ekhanya ngayo? Bese ukhetha umshayeli ongacimeki noma ukunikezwa kwamandla. Kungani? Imithombo yamandla kulula ukuyihlukanisa ngenxa yendlela esebenza ngayo. Ithebula lezicaciso nalo linolwazi olwengeziwe, njengokuthi yiziphi izinhlobo zezilawuli ze-dimmer ezingasetshenziswa nabashayeli.

• Izidingo zamandla

Enye yezinto zokuqala okufanele uzicabangele ukuthi isibani sakho sidinga i-voltage engakanani. Ngakho-ke, uma i-LED yakho idinga ama-volts angu-20 ukuze isebenze, kufanele uthenge umshayeli we-volt 20.

Ngamafuphi, umgomo uwukuqinisekisa ukuthi umshayeli wakho uthola inani elifanele lamandla. Umthetho ojwayelekile wukuthi kufanele wenze umsebenzi wakho ngaphakathi kwebanga lokukhanya.

Ngomshayeli we-voltage njalo, ungacabanga futhi mayelana nobubanzi be-voltage. Kodwa ungakwazi ukukala kokubili i-voltage kanye nobubanzi bamanje ngomshayeli wamanje.

Naka ukuthi ingakanani i-voltage ezosetshenziswa isibani se-LED esihlongozwayo. Ngakho-ke, qiniseka ukuthi umshayeli we-LED uyakwazi ukuphatha i-voltage evela ku-LED. Ngale ndlela, kulula ukwehlela ku-voltage edingekayo yokuphumayo.

Futhi, kufanele ucabange ngama-watts. Phakathi nale nqubo, qiniseka ukuthi uthenga umshayeli one-wattage ephezulu kakhulu kunokukhanya.

• I-Fact Factor

Isici samandla sisiza ukucacisa ukuthi mangakanani amandla asetshenziswa umshayeli kunethiwekhi kagesi. Futhi ububanzi ngokuvamile busuka ku -1 kuye ku-1. Njengoba lokhu kunjalo, isici samandla esingu-0.9 noma ngaphezulu siyinto evamile. Ngamanye amazwi, njengoba inombolo isondela kweyodwa, umshayeli usebenza kangcono.

• Ukuphepha

Izishayeli zakho ze-LED kufanele zihlangabezane namazinga amaningana ahlukene. Isibonelo, sinezigaba ze-UL 1 no-2. Sebenzisa i-UL Class 1 kubashayeli abakhipha amandla kagesi amaningi. Isakhiwo sidinga ukusethwa ngokuphephile kubashayeli abakuleli qembu. Ingakwazi nokubamba ama-LED amaningi, okwenza isebenze kahle kakhulu.

Ezingeni lama-LED, abashayeli be-UL Class 2 abazidingi izici zokuphepha eziningi. Iphinde ihlangabezane nezindinganiso ezibekwe yi-UL1310. Noma lesi sigaba siphephe kakhudlwana, singasebenzisa kuphela inombolo ethile yama-LED ngesikhathi.

Isilinganiso se-IP singenye indlela yokukala ukuthi iphephe kangakanani ikheji yomshayeli nokuthi yini engayenza. Uma ubona i-IP67, isibonelo, kusho ukuthi umshayeli uphephile othulini kanye nokucwiliswa kancane emanzini.

• Ukuphumelela

Le ngxenye ibalulekile ngoba ikhombisa ukuthi umshayeli we-LED udinga amandla angakanani. Inani liboniswa ngokwamaphesenti. Ngakho-ke, ungalindela ukuthi isebenze phakathi kuka-80% no-85% wesikhathi.

Izinzuzo Zomshayeli We-LED

Ama-voltage aphansi angu-12 kuya ku-24 volts amandla ama-LED anamanje aqondile. Ngakho-ke, noma ngabe i-AC voltage yakho iphezulu, phakathi kuka-120 no-277 volts, umshayeli we-LED uzoshintsha isiqondiso samanje. Ngamanye amazwi, ukwehla kusukela ekushintsheni kuya koqondile kuyasiza. Ungathola nenani elifanele le-voltage ephezulu nephansi.

Abashayeli be-LED bagcina ama-LED ephephile ezinguqukweni zamandla kagesi noma zamanje. Uma i-voltage ye-LED ishintsha, ukunikezwa kwamanje kungashintsha. Ngenxa yalokhu, ukuphuma kwezibani ze-LED kuhlobene ngokuphambene nokuthi zingaki. Ama-LED nawo kufanele asebenze kuphela ebangeni elithile. Ngakho-ke, okuncane kakhulu noma okuningi kakhulu kwamanje kuzoshintsha ukuthi kungakanani ukukhanya okuphumayo noma kubangele ukuphuka kwe-LED ngokushesha ngoba kushisa kakhulu.

Ngokubanzi, Abashayeli be-LED zinezinzuzo ezimbili eziyinhloko:

1. Ukushintsha kusuka ku-AC kuya ku-DC.
2. Abashayeli basiza ukuqinisekisa ukuthi amandla esekethe noma i-voltage awehli ngaphansi kwezinga elilinganiselwe.

Ingabe i-New Illuminant ilingana ne-New Dimming?

Eminye imithombo yokukhanya ingavalwa ngokushesha ngokushintsha i-voltage, kodwa ama-LED angacishwa kuphela ngokushintsha isilinganiso se-voltage kuya esamanje. Ngenxa yalokhu, kunezindlela ezahlukahlukene zokufiphaza ama-LED:

• Ngokuguquguquka kobubanzi be-pulse (PWM) noma i-pulse duration moduration (PDM), inani lesikhathi i-voltage enikezwayo lingashintshwa (PDM). Nokho, i-voltage ngokwayo ayishintshi. Ngamanye amazwi, i-PWM ivula futhi ivale ngokushesha ama-LED. Lokhu kwenzeka kakhulu lapho imvamisa ingaphezulu kuka-100 Hz. Ubuchopho bucabanga ukuthi igumbi limnyama kakhulu ngoba iso lomuntu alikwazi ukubona ukuthi ukulokoza kwenzeka kuze kube okungenani ngu-75 Hz.

• Ama-Triacs nama-dimmers okulawula isigaba kuqala enzelwe ama-incandescent bulbs angu-60W, anikeza inani eliphansi lokukhanya uma i-engeli yesigaba ingu-130°. Ngakolunye uhlangothi, ama-LED angcono kakhulu futhi asebenzisa ugesi omncane kakhulu ukukhanyisa. Ngenxa yalokhu, ama-LED awafiphala kakhulu engeli yesigaba engu-130°. Futhi, ukubamba kwamanje kungase kunganele ukugcina i-triac isesimweni sokuqhuba lapho ukufiphala kuphezulu. Ngenxa yalokhu, ama-LED aqala ukucwayiza. Noma kunjalo, amanye abashayeli be-LED bakhelwe ngaphakathi ukuze bazungeze le nkinga.

• I-1-10V: Ngendlela engu-1-10V, ama-ballasts namayunithi okulawula axhunywe ngomugqa wokulawula wezintambo ezimbili owenziwe nge-polarized. Ama-voltage e-DC aphakathi kuka-1 no-10 volts asetshenziselwa ukulawula ukukhanya, futhi njengoba i-voltage ikhula, kanjalo nokukhanya kokukhanya. Ungakwazi ukufiphalisa ama-elementi e-LED ngo-1-10V, kodwa adinga imithombo yamandla. Iyunithi yokulawula kufanele futhi ikwazi ukuthatha okwamanje ukunikezwa kwamandla okuthumela ngomugqa wokulawula. Ngakho-ke, ukufiphala kwe-1-10V kuyisinqumo esingcono sezinhlelo ezinkulu zokukhanyisa.

Ngabe Umshayeli We-LED Uba Nini Isidingo?

Isikhathi esiningi, wonke umthombo wokukhanya we-LED udinga umshayeli. Kodwa umbuzo oyinhloko kufanele ube, "Ingabe kufanele ngithenge eyodwa ngokwehlukana?" Inkinga ukuthi amanye amalambu akhanyayo e-LED anomshayeli owakhelwe ngaphakathi. Futhi, ama-LED enzelwe ukusetshenziswa ekhaya ngokuvamile eza namadrayivu e-LED. Futhi isibonelo esihle ama-volt angu-120 anezisekelo ezingaba yi-GU24/GU10 noma i-E26/E27.

Ama-LED ane-low-voltage, njengamalambu e-tape, ama-MR bulbs, amalambu anesilinganiso sangaphandle, amaphaneli, nezinye izinto zokukhanyisa, adinga umshayeli we-LED ukuze asebenze kahle.

Uma usebenza ngama-LED ane-low-voltage, udinga abashayeli be-LED. Kodwa awukwazi ukusho okufanayo mayelana nama-LED ama-volt angu-120 asetshenziswa emakhaya.

Phrinta Ukukhweza Nokukhwezwa kwe-HighBay

Ama-LED angafakwa ekukhwezeni kwe-HighBay futhi aphrinte afakwe ngezindlela ezimbalwa, kuye ngezidingo zephrojekthi: Isibonelo, okuthiwa ama-SMD (idivayisi ebekwe phezulu) ama-LED angasetshenziswa ezindaweni eziqinile. Ngenxa yokuthi zingadayiswa emabhodini esekethe aphrintiwe, azidingi izintambo. Noma kunjalo, hlola ukuze uqiniseke ukuthi zonke izingxenye ziyalingana.

Emakamelweni amakhulu, kudingeka ukukhanya okwengeziwe. Ngenxa yalokhu, amahholo efekthri nezitolo ezinkulu zisebenzisa izibani ze-HighBay, okungamalambu ophahleni anamandla. Lezi kufanele zibe nezintambo ngokwehlukana, kodwa ziqine kakhulu. Angakwazi ukuxhunywa ku-voltage yama-main ejwayelekile engu-230V AC. Ukugcina ama-LED angashisi kakhulu, abashayeli abafana ne-XBG-160-A baxhumeke phambi kwabo. Lezi zinokuvikeleka ekulayisheni ngokweqile okungakhawulela ngokusebenzayo ukuthi kungakanani okwamanje okuthunyelwayo.

Izinhlobo zomshayeli we-LED

• I-Constant-Yamanje

Lo mshayeli we-LED udinga kuphela inani elinqunyiwe lokuphumayo kwamanje kanye nobubanzi bamandla okukhiphayo. I-Constant current iwumphumela wamanje othize ophumayo okalwa ngama-milliamp noma ama-amps futhi unobubanzi bamandla kagesi ashintshayo kuye ngokuthi ingakanani i-LED esetshenziswayo (i-wattage noma umthwalo wayo).

• I-Constant-Voltage

Izishayeli ze-LED ze-Constant-voltage zine-voltage ephumayo engaguquki kanye nomthamo omkhulu ophumayo wamanje. Imojula ye-LED futhi inohlelo lwamanje olulawulwayo olunganikwa amandla yi-resistor elula noma umshayeli wangaphakathi oqhubekayo.

Badinga kuphela i-voltage eyodwa engaguquki, imvamisa engu-12 noma 24 volts DC.

• Izishayeli ze-LED ze-AC

Ngokwethiyori, lo mshayeli we-LED angasebenzisa izibani ze-halogen noma ze-incandescent ezine-voltage ephansi. Kodwa ama-transformer ajwayelekile awakwazi ukusetshenziswa nabashayeli be-AC LED ngoba abakwazi ukusho ukuthi i-voltage iphansi nini. Ngakho-ke, banama-transformer angenawo umthwalo omncane.

• Abashayeli be-LED abacishayo

Ngalawa mashayeli e-LED, ungakwazi ukufiphalisa izibani zakho ze-LED. Iphinde ikuvumela ukuthi ulawule ukukhanya kwama-LED nge-voltage engaguquki. Futhi ikwenza lokhu ngokunciphisa inani lamanje eliya kusibani se-LED ngaphambi kokuthi sikhanyise.

Izicelo Of Abashayeli LED

• Abashayeli bezimoto ze-LED

Ngabashayeli bezimoto bekhwalithi ephezulu be-LED, ungakwazi ukubona umehluko phakathi kwesistimu yokukhanyisa ngaphakathi nangaphandle yemoto yakho ngezindlela eziningi:

1. Iqembu lamalambu
2. infotainment 
3. Ukukhanyisa kwangaphakathi nangemuva 

• I-Backlight LED Drivers

Abashayeli be-LED be-backlight be-LCD bavame ukusebenzisa isikimu esithile sokufiphalisa ukulawula ukukhanya kwe-backlight.

• I-Illumination LED Drivers

Ungasetha amadivayisi akho ngezishayeli ze-LED ukuthi zibe nezibani ze-infrared. Kungenziwa futhi ngosizo lwesilawuli samanje se-multi-topology.

• Abashayeli be-RGB LED

Ngabashayeli be-RGB LED, ungakwazi ukwengeza ukugqwayiza noma inkomba kumalungu afanayo akho e-LED ngombala ongaphezu kowodwa. Futhi, bavame ukusebenza nge-interfaces eminingi ejwayelekile.

• Umshayeli wezibonisi ze-LED

Ngosizo lwezishayeli zesibonisi ze-LED, ungakwazi ukulawula ukuthi yiziphi izintambo ze-LED ezisebenzisa amandla amancane namakhulu. Ngakho-ke, lezi zishayeli zingasetshenziswa ne-pixel enkulu encane noma isisombululo se-matrix sezinhlelo zokusebenza zezimpawu zedijithali ezincane noma ezincane ze-LED.

Imuphi umshayeli we-LED engiwudingayo?

Ukuze uthole ukuthi usayizi womshayeli we-LED uzohlangabezana nezidingo zakho, udinga ukwazi okulandelayo:

1. I-voltage yamandla kagesi ozowasebenzisa
2. Isamba senani lamandla asetshenziswa ama-LED wesistimu
3. Hlobo luni lwe-voltage noma lwamanje olungaguquki oludingwa ama-LED

Uma kukhona ezinye izici zobuchwepheshe, njengesidingo sokulawula umbala okunembayo noma ithuba lokuchayeka emanzini, okungaba nomthelela endleleni amashayeli e-LED asebenza ngayo. Isilinganiso se-IP ye-LED sibonisa ukuthi imelana kangakanani namanzi; isilinganiso esiphezulu sisho ukuthi imelana kakhulu. Ngesilinganiso se-IP esingu-44, umkhiqizo ungasetshenziswa emakhishini nakwezinye izindawo lapho amanzi angachaphazela khona ngezikhathi ezithile. Umshayeli onesilinganiso se-IP ephezulu, njengo-67, angasetshenziswa ngaphandle. Abashayeli abanesilinganiso se-IP esingu-20 kufanele basetshenziswe ngaphakathi kuphela, lapho komile.

Ulwazi olwengeziwe, ungafunda Ungakukhetha Kanjani Ukunikezwa Kwamandla E-LED Okulungile.

Imibuzo Evame Ukubuzwa

Isifinyezo

Abashayeli be-LED basetshenziswa ezimbonini eziningi ezahlukene, njengama-LED. Ungakwazi futhi ukukhanyisa isikhala sakho ngohlu olubanzi lwama-transformer, izinsiza zikagesi, nabashayeli abakhona. Ngenxa yokuthi ama-LED avumelana nezimo, ukwengeza izici ezihlakaniphile nokushintsha ukukhanya kulula. Ngale ndlela, abashayeli be-LED babalulekile ekwenzeni ukukhanya kwesimanje, okusebenzayo, futhi okungabizi kakhulu.

I-LEDYi ikhiqiza izinga eliphezulu Imichilo ye-LED ne-LED neon flex. Yonke imikhiqizo yethu idlula ezindaweni zokusebenzela zobuchwepheshe obuphezulu ukuze kuqinisekiswe ikhwalithi ephezulu kakhulu. Ngaphandle kwalokho, sinikeza izinketho ongazikhetha kuma-strip ethu e-LED kanye ne-neon flex. Ngakho-ke, ngomugqa we-premium we-LED kanye ne-LED neon flex, xhumana ne-LEDYi ASAP!