Le Red Mwenje Mabhedha D Mwenje Bead Mutyairi Kutadza Kukonzera Kukundikana

Mutyairi wemwenje we LED idunhu rinopa mabheji emwenje e LED ane akajairika mamiriro (package voltage, ikozvino uye mamwe mamiriro). Ndiyo mamiriro ekuti mabheji emwenje e LED haana kunaka semhando; Zvepabonde nekugadzikana; basa rakakosha remwenje we LED bhedhi drive ndere kushandura iyo yekuisa AC voltage sosi kune inobuda voltage neiyo ikozvino sosi yekuchinja kwemagetsi e LED mabhedhi eVF. Kune zvakawanda zvakawanda mukushandiswa kweiyo LED mwenje bead dhiraivha yekuteerera. Matambudziko mazhinji anofanirwa kutsanangurwa uye kugadziridzwa nekukurumidza kudzivirira kurasikirwa uye kukuvadzwa kwekusada kurasikirwa! Mhedzisiro yemutyairi wemwenje we LED ndiyo yekutanga chikonzero chemhedzisiro yekudonha: 1. Usatarise shanduko yemwenje ye LED bead VF, zvichikonzera kuderera kwemwenje, uye kunyangwe isina kugadzikana mwenje we LED, iyo inoumbwa akati wandei mwenje mabheji e LED akafanana. = Vf*ns, apo NS inoratidza kuti nhamba yemarambi e LED inobatanidza nhamba. Iyo VF yemwenje ye LED mabhedhi inoshanduka nekushanduka kwekushisa. Munyaya yekugara iripo, VF inodzikira pakupisa kwepamusoro, uye VF inova yakakwira pakudzika kwakadzika. Naizvozvo, iyo voltage yemwenje we LED bhedhi mutoro pakupisa kwepamusoro inoenderana neVOL, uye vhezheni yemwenje we LED bead mutoro pakudziya kwakadzika inoenderana neVOH. Pakusarudza dhiraivha ye LED, mutyairi anobuda voltage renji inofanirwa kunge iri muVOL VOH. Kana iyo yakasarudzwa yemwenje yemwenje ye LED mutyairi yakadzikira pane VOH, iyo yakare yakawanda inobuda voltage inogona kukonzera iyo yakanyanya simba remwenje pakudziya kwakadzika kusvika kune chaiyo inodiwa simba. Pamwe mutyairi anoburitsa chiyero chezvinhu, chiitiko hachina kugadzikana, marambi mabheji anopenya, nezvimwe. Nekudaro, mutengo wakadzama uye kunyatso tarisisa, hazvifanirwe kutsvaga iyo yekupedzisira -wide inobuda voltage renji yemwenje madhiraivha e LED: nekuti mutyairi voltage inongori mune imwe nhanho, mutyairi kunyatsoshanda ndiyo yakanyanya kunaka. Mushure mekupfuura chiyero, kushanda nesimba uye simba chinhu (PF) kuchaderera. Panguva imwecheteyo, iyo yakabuda voltage renji yemutyairi wemwenje we LED yakawandisa, izvo zvichaita kuti mutengo uwedzere, kushanda nesimba hakugone kugadziridzwa. Chechipiri, nyaya yekusaziva mabheji emwenje e LED inoratidzwa nechikumbiro chemutengi chekuti simba rekuisa mwenje rigadzirwe, uye iyo yakagadziriswa 5% kukanganisa kunogona kungogadziriswa mwenje wega wega kuti ugadzirise kubuda kwezvino kuti uwane simba rakatarwa. Nekuda kwekusiyana kwekushisa kwezvakatipoteredza uye mutsauko wenguva yekuvhenekesa, simba remwenje wega wega richaramba richifananidzwa nemusiyano. Vatengi vanoita chikumbiro chakadaro, kunyangwe paine kufunga kwekusimudzirwa kwemusika uye bhizinesi chinhu. Nekudaro, iyo volt uye chengetedzo hunhu hwemarambi e LED mabhedhi anoona kuti mutyairi wemwenje wemwenje we LED inogara iripo sosi, uye inobuda voltage inoshanduka neiyo LED mwenje bead load series voltage VO. VO chinjo. Panguva imwecheteyo, kushanda kwese kwemutyairi wemwenje we LED kuchawedzera mushure mekuenzanisa kwekupisa. Pasi pemamiriro ekusava nesimba rakasiyana rekubuda, zvichienzaniswa nenguva yekubhoti, simba rekuisa richadzika. Naizvozvo, kana munyoreri weiyo LED bhedhi mutyairi anofanirwa kutanga aziva maitiro emwenje e LED mabheji paanenge achigadzira zvinodiwa, kudzivirira zvimwe zviratidzo zvisingaenderane nehunhu hwezvinhu, uye kudzivirira zviratidzo zvinodarika izvo zvinodikanwa, kudzivirira kunaka. yakawandisa kunaka, kudzivirira kuwandisa kwemhando Uye kutambisa mutengo. Chechitatu, tisingatarise huwandu hwesimba rekuenzanisa uye kudiwa, iro zita rezita remutyairi wemwenje we LED ndiyo data inoyera iyo data pasi pemamiriro enzvimbo yakatarwa uye yakayerwa voltage. Tichifunga kuti vatengi vakasiyana vachange vaine maapplication akasiyana, vazhinji vatengesi vemwenje ve LED vanopa magetsi ekudzikisa curve pane yavo yezvigadzirwa zvechigadzirwa (zvakajairwa nemutoro VS ambient yekudzikisa tembiricha curve uye kurodha VS yekupinda voltage yekudzikisa curve). 4. Mukuedza, mutyairi wemwenje we LED akatenga mhando dzakawanda dzemarambi e LED, asi masampuli ese anorasika panguva yekuedza. Gare gare, mushure me-pa-saiti tsananguro, zvakaonekwa kuti mutengi akagamuchira self-coupling pressure device kuti ape simba mutyairi we LED kuti aiedze. Mushure mekunge simba radaidzwa, mutongi akasimudza zvishoma nezvishoma kubva ku0VAC kuenda. Kuedza kwakadai kushanda kunogona kutanga uye kutakura mutyairi wemwenje wemwenje we LED kana diki diki rekuisa yatangwa uye kuitwa. Mamiriro ezvinhu aya achaita kuti iyo yekupinza ikozvino ive kure neyakayerwa kukosha. , Senge fuse, mabhiriji ekugadzirisa, thermistor, nezvimwe. nekuda kwekudarika ikozvino kana kupisa, zvichikonzera kuita kwemutyairi. Muedzo chaiwo ndewekugadzirisa kudzvanya regulator kune voltage kupindirana kweiyo LED mwenje bead driver, wozobatanidza kune drive yekutyaira. Ehezve, iyo tekinoroji yekuvandudza dhizaini inogona zvakare kudzivirira dambudziko rekurasikirwa rinokonzerwa nekusanzwisisa kwebvunzo iyi: kuseta yekutanga voltage limited circuit uye yekuisa arrears dziviriro yedunhu pane drive yekuisa terminal. Kana iyo inopinza isingasviki kune yekutanga voltage yakaiswa nemutyairi, mutyairi haana kukanganisa; kana magetsi ekupinza akaderedzwa kusvika kune yekuisa arrears yekudzivirira nzvimbo, mutyairi anopinda munzvimbo yekudzivirira. Naizvozvo, kunyangwe panguva yekuyedza mutengi maitiro, matanho ekushanda e-self-propelled pressure kifaa achiri kugamuchirwa kutyaira yekuzvidzivirira maitiro pasina mhedzisiro yacho. Nekudaro, mutengi anofanira kuziva kana iyo yakatengwa mwenje yemutyairi chigadzirwa ine iyi yekudzivirira maitiro isati yaedzwa (tichifunga nezve chaiyo application nharaunda yemutyairi wemwenje we LED, madhiraivha mazhinji emwenje e LED izvozvi haana iyi kudzivirira)). V. Yakasiyana mitoro, Yakasiyana Miedzo mibairo Yakasiyana mwenje we LED mutyairi ane LED mwenje kuyedzwa, mhedzisiro ndeye yakajairika, kana yemagetsi bvunzo bvunzo inoedzwa, mhedzisiro inogona kunge isina kujairika. Chero chikonzero chechiitiko ichi ndecheiyi: (1) Rudzi rwekubuda kwedhiraivha yedhiraivha kana simba remushonga wemagetsi wemagetsi. (Kunyanya, muCV mode, simba rekuedza harifaniri kudarika 70% yesimba guru regore rekutakura, kana zvisina kudaro mutoro unogona kunge uri pamusoro-simba paunenge uchitakura. ) (2) Mamiriro emagetsi anoshandiswa haakodzeri kuyerwa kwekugara achitenderera, uye mudziyo wemagetsi giya unosvetuka unooneka, izvo zvinoita kuti mutyairi asave akajairwa kana kutakurwa. (3) Nemhaka yekuti kuiswa kwemagetsi ekusimudza kuchava nekukwanisa mukati mekupinza, muedzo wakaenzana ne capacitance yemotokari inofananidzwa mumotokari, iyo inogona kukonzera sampling yezvino yemutyairi. Nekuda kwekuti dhizaini yemwenje ye LED dhizaini ndeyekukodzera hunhu hwemarambi e LED, bvunzo patani iri padyo nechaiyo uye chaiyo mashandisirwo anofanirwa kushandiswa semutoro une mwenje we LED mabhero, uye yazvino mita uye voltage mita inofanirwa kuedzwa kuti iedzwe. . 6. Kutonhodza kwemutyairi Kana mutyairi akaiswa munzvimbo isina mhepo inofefetera, unofanira kuedza kubata imba yemutyairi nekesi yemwenje. Kana mamiriro acho achibvumira, shandisa glue inopisa kana zvimiti zvinopisa pads pane yekubata pamusoro pegoko uye goko kuti uvandudze kupisa kwekupisa basa remutyairi, kuitira kuti zvidaro, nekudaro Iva nechokwadi chehupenyu hwemutyairi uye hwakavimbika. Nonomwe, mutsara wechikamu hauna kururama. Ese ekunze engineering maapplication ese ari matatu nhanho uye ina-mutsara system. Tichitora chiyero chenyika semuenzaniso, voltage pakati pechikamu chimwe nechimwe uye zero mutsara i220VAC, uye voltage pakati pemutsara wechikamu uye mutsara wechikamu i380VAC. Kana mushandi wekuvaka akabatanidza mutyairi wekupinza kune maviri echikamu mitsara, mushure mesimba-pa, iyo inopinza voltage yemutyairi wemwenje we LED inodarika mwero uye yakaita kuti chigadzirwa chirasikirwe nekubudirira. Zvinokurudzirwa kuti pane imwechete-simba rekugovera bazi, switch kana wedunhu breaker inofanira kuputswa pamwechete. Usaise fuse yekugovera simba pamutsara we zero, uye kudzivirira kusabatana kwakashata pamutsetse. 8. Hurukuro hwekushanduka kwegedhi remagetsi. Kana kutsigirwa kwemagetsi emagetsi emagetsi akareba kwazvo, kana pane midziyo yemagetsi yenguva refu mubazi, apo kutanga uye kumira kwegore-on-gore chigadzirwa chichashanduka nechisimba, uye kunyange kukonzera magetsi emagetsi. kutadza kugadzikana. Kana gidhi repakarepo richipfuura 310VAC, mutyairi anogona kukuvara (kunyangwe zvigadziriso zvemheni zvisingaite, nekuti chishandiso chekudzivirira mheni ndechekubata nepamusoro peUS-level pulse peaks, uye shanduko yemagetsi inogona kusvika kune akawanda ms, kana kunyange mazana e ms). Nokudaro, kunyanya kukoshesa kunofanira kubhadharwa kana kune nguva yakareba yemagetsi emagetsi mumugwagwa wekusimbisa chiedza. Kutarisisa kwakanakisa kweiyo fluctuation renji yegridi pasi pekutarisisa kwakanyanya, kana iyo magetsi gidhi remagetsi rekupa simba. Zvipfumbamwe, mitsara inowanzonamatira kune zviedza zvakafanana pamugwagwa webazi rimwe chete, izvo zvinokonzera mwenje wakawandisa pabazi rimwe chete, zvichiita kuti mutoro uwedzere pane imwe -phase magetsi uye simba risina kuenzana rechikamu chimwe nechimwe, izvo zvinotungamirira kune dzimwe nguva mitsetse. wemutsetse. 10. Mamiriro ezvinhu anotevera anoitika mumamiriro anotevera achaita kuti vatyairi vemwenje ve LED vakuvadze: (1) AC inogamuchirwa kune DC inobuda terminal yedhiraivha, zvichikonzera kuita kwemutyairi; Mutyairi anoshanda; (3) iyo inogara iripo yekubuda terminal inogamuchirwa nemwenje wekugadzirisa mutsara, zvichikonzera kuita kwemutyairi; (4) mutsara wechikamu wakabatanidzwa kune mutsara wepasi, zvichiita kuti mutyairi abudise pasina kubuda uye kubhadharisa kwegomba;