(一) LED downlight development overview
Komisheni yeNational Development and Reform Commission yeChina yakapa “Roadmap yekudzima marambi eincandescent muChina”, iyo inoti kubva musi wa1 Gumiguru 2012, kupinza uye kutengeswa kwemarambi eincandescent ane 100 watts uye pamusoro pemwenje mukuru kucharambidzwa. Kubva muna Gumiguru 1, 2014, kupinza uye kutengeswa kwe60 watts uye pamusoro pemwenje wakawanda wemarambi eincandescent zvinorambidzwa. Zvinotarisirwa kuti kubva muna Gumiguru 1, 2016, kupinza uye kutengeswa kwemawatts gumi neshanu uye pamusoro pemarambi ekuvhenekesa emwenje kucharambidzwa, zvinoreva kuti chikamu chekubuda kwemarambi ekuvhenekesa kuChina chapera. Nekunyangarika zvishoma nezvishoma kwemarambi e-incandescent, mwenje inotungamirirwa sesimba idzva rekuchengetedza simba uye kuchengetedzwa kwezvakatipoteredza zvishoma nezvishoma zvakaonekwa uye zvakazivikanwa kuvanhu.
Tichifunga nezvekukwira kwemutengo wehupfu hwefluorescent, mutengo wemarambi akajairwa ekuchengetedza simba unoramba uchikwira, uye mwenje mutsva we LED sezvigadziriso zvemwenje zvishoma nezvishoma wakapinda munharaunda yeruzhinji yekuona. Kubva pakuzvarwa kwemwenje ye LED, kupenya kwavo kwakaramba kuchivandudzwa, zvishoma nezvishoma kubva pachiratidzo che LED kusvika mumunda wemwenje we LED. Magetsi e LED ari kushanduka zvishoma nezvishoma kubva kumusoro-yekupedzisira mwenje kumusoro kusvika kune mutsva mudiwa wemusika wekushandisa.
LED downlight status analysis
Mushure memakore ebudiriro, magetsi emwenje e LED ave achishandiswa zvakanyanya muinjiniya neminda yekuvandudza imba, achitsiva echinyakare mwenje. Mumunda wekuvhenekesa kwe LED, mwenje wepasi unogona kunzi ndiyo inonyanya kufarirwa chikamu, nekuti iyo tekinoroji yemukati haina kukwirira, mafekitori escrewdriver anogona kugadzirwa. Iko hakuna chikumbaridzo chekupinda, chero munhu anogona kugadzira, kuputika, zvichikonzera kusaenzana kwemhando, mitengo inotangira pamadhora mashoma kusvika kune gumi nemaviri emadhora, saka ikozvino LED downlight musika ichiri kunyanya mhirizhonga. Panguva imwecheteyo, mutengo wazvino welightlight wakanyatsojeka, kubva kune chip, goko kusvika pakurongedza uye zvimwe zvinhu zvinodhura vatengesi vanonyatsonzwisisa zvakajeka, uye nekuda kweiyo yakaderera yekupinda chipingamupinyi, vagadziri vazhinji, kukwikwidza kunotyisa, saka iyo LED downlight purofiti ichienzaniswa zvimwe zvekutengesa zvigadzirwa zvakaderera zvikuru.
Malights anowanzo shandiswa muzvitoro zvezvitoro, mahofisi, mafekitori, zvipatara uye kumwe kuvhenekera kwemukati, kuisirwa kuri nyore uye kuri nyore kuti vanhu vade. Mwenje we LED unogara nhaka zvese zvakanakira zvechinyakare malights, kupisa kudiki, hupenyu hurefu hwekuchengetedza simba, uye kushoma kwekugadzirisa mari. Early LED downlights nekuda kwepamusoro mutengo we LED chiedza mabhesi, mari yose haigamuchirwi nevatengi. Nekuderedzwa kwemutengo we LED downlight chips uye kuvandudzwa kwe tekinoroji yekupisa kupisa, yakaisa hwaro hwakasimba hwema LED downlights kuti apinde mundima yekutengeserana.
Mwenje ye LED inoumbwa ne LED bead, imba yekudzika, uye magetsi. Pamabhero ekudzika, zvakakodzera kushandisa mabhero emwenje ane simba senge 1W mwenje bhedhi, haifanirwe kushandisa simba diki se5050,5630 uye mamwe mabhero emwenje, chikonzero ndechekuti LED diki simba rambi bead kupenya kwakajeka. zvakakwana asi kusimba kwechiedza hakuna kukwana, uye mwenje we LED unowanzo kuvhenekera kureba kwakamira 4-5 metres, nekuti yakaderera simba mwenje kusimba. hazvina kukwana kuitira kuti chiedza chepasi chiwedzere hachina kukwana. Iwo mabheji emwenje emagetsi akakwira, kunyanya kusimba kwechiedza chekubatanidza mwenje sosi, yave yekutanga LED downlight vagadziri. Parizvino, iyo inowanzo shandiswa ndeye yakakwirira-simba mwenje bhero senge imwe chete 1W mwenje bead, yakagadzirwa kuva downlight 1W, 3W, 5W, 7W, 9W, nezvimwewo, iyo yakawanda inogona kazhinji kuitwa 25W, kana kushandiswa. ye-high-power integration scheme inogonawo kuita simba repamusoro.
Kune zvikamu zvitatu zvikuru zvinotarisa hupenyu hwekudzika: mabheji emwenje e LED, inotonhorera inotonhorera "shell dhizaini", uye inotungamira magetsi. Vagadziri vemwenje wemwenje we LED vanosarudza hupenyu hukuru hwemavhenekera e LED, parizvino, vagadziri vemhando yepamusoro-soro vane United States CREE, Japan Nichia (Nichia), West Iron City, nezvimwewo, inodhura-inoshanda Taiwan vagadziri makristaro (muChina kazhinji. inoreva kutengwa kwekristaro led chip kurongedza zvigadzirwa, kunyanya muTaiwan kana Cross-Strait mafekitori ekurongedza muChina), bhiriyoni chiedza, nezvimwe. matatu ane photoelectric uye zvichingodaro.
Kazhinji kutaura, vagadziri vemhando yepamusoro yemwenje ye LED vachashandisa ekunze CREELED machipisi, ingangoita imwe yezvigadzirwa zvakatsiga zvinozivikanwa pamusika. Mwenje wakaitwa nenzira iyi une kupenya kwakanyanya kwechisikigo, hupenyu hurefu, asi mutengo hausi wakachipa, uye hupenyu hwechip hwevagadziri veTaiwan hwakareba, asi mutengo wakaderera, unogamuchirwa kune vatengi vepakati pemusika weChina. . Upenyu hwepamusika wepamusika weChina hupfupi, kuora kwechiedza kwakakura, asi mutengo wakaderera wakava sarudzo yekutanga kune nhamba huru yevagadziri vadiki kurwisa mitengo. Ndeupi rudzi rwemarambi emwenje e LED uye machipisi e LED anoshandiswa zvakare anotarisa zvakananga nzvimbo yevagadziri vemwenje we LED uye mutoro wemagariro unoratidzwa muindasitiri.
Simba remagetsi re LED ndiro mwoyo we LED downlights, iyo ine simba guru pahupenyu hwe LED downlights. Kazhinji, marambi e LED ari 110/220V magetsi, musika weChina wenzvimbo ndeye 220V magetsi. Nekuda kwenguva pfupi yekuvandudza kwemwenje ye LED, nyika haisati yaisa zviyero zvemagetsi ayo, saka magetsi e LED pamusika haana kuenzana, mufananidzo wemhete wakachinjika, nhamba huru yeyakaderera PF kukosha, uye haigone. mafashama pamusika kuburikidza neEMC magetsi ekupa. Hupenyu hweiyo electrolytic capacitor yemagetsi emagetsi inotaridzawo zvakananga hupenyu hwemagetsi, nekuti isu tinonzwa nemutengo, uye tinowana nzira dzekudzikisa mutengo weiyo magetsi, zvichikonzera kuderera kwesimba kushandurwa kwesimba re LED. kupa, uye hupenyu hwebasa hahurebe, kuitira kuti chiedza che LED chishandurwe kubva ku "rambi rehupenyu hurefu" kusvika "mwenje wenguva pfupi".
Iyo yekupisa yekupisa dhizaini yemwenje we LED yakakoshawo kuhupenyu hwayo, uye kupisa kwe LED kunotapurwa kubva pamwenje bhedhi kuenda kuPCB yemukati uye yozoendeswa kune iyo imba, uye ipapo imba yacho inotumirwa kumhepo kuburikidza neconvection kana conduction. Kupisa kwekupisa kwePCB kunofanirwa kukurumidza zvakakwana, kupisa kwemafuta ekupisa kunofanirwa kuve kwakanaka zvakakwana, nzvimbo yekupisa yekupisa yegoko inofanira kunge yakakura zvakakwana, uye dhizaini inonzwisisika yezvinhu zvakati wandei inoratidza kuti tembiricha yePN junction haigone kuve. yakakwira kupfuura 65 madhigirii kana mwenje we LED uchishanda zvakajairika, kuitira kuti ive nechokwadi chekuti LED chip iri payakajairwa tembiricha yekushanda uye haizobudise kuora kwechiedza nekuti tembiricha yakanyanya uye zvakare. fast.
Iyo radiator ye LED inogona kugadzirisa matambudziko anoenderana anokonzerwa nekusakwanisa kweradiator kuendesa kunze kunze kupisa pabhedhi remwenje uye yemukati PCB: uye yakanyorera nyika patent; Yakagadzirwa nepamusoro-soro 6063 aluminium, ichiita mhedzisiro yekupisa conduction uye kupisa kupisa mune imwe, kuti iwane yakakwira yekupisa conduction uye kupisa kupisa; Iyo yepamusoro yeradiator yakagadzirirwa nehuwandu hwemakomba ekupisa kupisa, uye kupisa kunyura kunze kweradiator kunoitisa kuti uwane mhepo convection. Kunge kuwanda kwepombi dzehutsi, kupisa kwe LED kunoburitswa kumusoro, uye kupisa kunobviswa kuburikidza nekunyura kwekupisa, kuitira kuti iwane kunyatsoita kupisa.
Hunhu uye zvakanakira LED downlight analysis
LED sechiedza chechiedza chakatanga kushandiswa kune zvigadziridzo zvemwenje, asi kwemakumi mashoma emakore, asi yave iri kukura kukuru, iye zvino, zvakasiyana-siyana zvezvigadziriso zvemwenje zve LED, kunyanya kusanganisira zviedza zve LED, chiedza che LED, chiedza che LED, LED. ma bulbs, ma LED downlights, nezvimwewo, asi imwe yetarisiro yakakura kwazvo yekusimudzira ndeye LED downlights.
1, magetsi e LED ane simba rakasimba, magetsi e LED haana matambudziko ekutanga nguva, simba rinogona kushanda pakarepo, hapana chikonzero chekumirira kwenguva yakareba, chiedza chemavara, pedyo nechiedza chechisikigo, kukurumidza uye kushandiswa kwekugadzirisa, chero Angle inogadziriswa, simba rakasiyana-siyana, zvakasiyana-siyana zvekushandisa.
2, LED downlight repairability yakakwirira, LED chiedza chitubu chinogona kuumbwa nemapoka akawanda e LED modules, chiedza che LED chinogonawo kuumbwa nemapoka akawanda e LED cavity modules, usapindirana, kugadzirisa nyore, magetsi uye chiedza. dhizaini yakazvimirira, kukuvara kunongoda kutsiva chikamu chinonetsa, kukuvara kwega kwega hakuzove nekukanganisa kwakawanda pakuvhenekesa kwakajairika, hapana chikonzero chekutsiva mwenje wese.
3, LED downlight yekutanga kuita yakanaka, inokurumidza uye yakavimbika, chete millisecond yekupindura nguva, inogona kuwana zvese-mwenje kubuda, LED downlight vibration kuramba, kunaka kwemamiriro ekunze, hupenyu hurefu.
4, LED downlight color rendering index yakakwira, iyo nyika muyero weruvara rendering index inodiwa panguva ino iRa = 60, LED light source color rendering index inowanzokwirira pane yechinyakare mwenje sosi, padanho razvino, LED downlight color rendering index. inogona kusvika 70 kusvika 85. Kune Lediant, tinogona kusvika 90＋.
Nguva yekutumira: Sep-11-2023