Zvinotendwa kuti shamwari dzinoita SMT kushandura mabhesi emwenje dzinowanzosangana. Yedu SMT semi-yakapera mwenje bhara ichaonekwa mune imwechete kana maviri marambi asina kujairika panguva yekuyedzwa. Nekuda kwedhizaini yedunhu, mazhinji emapuranga edunhu akagadzirwa munzira imwechete, uye isina kujairika mwenje bead ichakanganisawo mwenje kuseri kwerambi kumashure. Iyo yakajairika kushandiswa kwebead, panguva ino isu tinofanirwa kutsiva imwe mwenje bead. Kune mashoma ekuisa izvozvi, zvakanyanya ese ari
“Chinamira chetafura
”type. Nemhaka yokuti tsoka dzisina kutungamirirwa, ma LED anogona kuva pedyo ne substrate, uye mamiriro ekupisa anopisa akagadziridzwa zvachose. Ndizvo chaizvo nokuti hapana
“tsoka
”Izvo zvinounzawo zvakawanda zvekusagadzikana kune kugadzirisa kutsiva kutsiva. Rega titore iwe kuti unzwisise nzira chaiyo uye inoshanda imwe chete bead yekutsiva mwenje. Kuti uite basa rakanaka rekutsiva mabhero, unofanirwa kugeza maoko ako kutanga kuderedza ganda rekudzivirira kudzivirira mabheji emwenje kubva mukukuvadzwa ne electrostatic. Uye gadzirira zvinotevera zvishandiso uye zvigadzirwa, unogona kutanga kuvaka: Iyo inopisa mweya pfuti inogona kusarudza inonyanya kushandiswa kugadzirisa. Mondrers uye doro zvinoshandiswa kubatsira welded. Kuyambuka rosin nedoro kunogona kunyungudika. Iyo sinus inoshandiswa kugadzirisa uye conductive mhedzisiro yemarambi pads. Mabhedha emwenje e LED anotsiviwa anowanzo kukamurwa kuita zvinotevera: kutanga kutaura nezve kutevedzera kuyerera mabhero. Nekuti rudzi urwu rwemwenje bhedhi zvakare munzvimbo inopenya, zviri nyore kutsiva. Kutanga, shandisa simbi yekudziya kupisa majoini maviri e solder kuti ubvise marambi akaipa, uye wozoshandisa simbi yekunyungudutsa kupfavisa mapadhi maviri. Wobva waisa bhedhi remwenje idzva mune yepakutanga yakanaka uye isina kunaka electrode kune yekutanga, uye ipapo zvishoma welded pamapini. Dzvanya bhero remwenje neminwe yako kuti uise vhezheni. Panofanira kuva nehumwe huwandu hwekutengesa pamusoro wesimbi yesimbi panguva yekuputika. Paunenge uchishanda, unogona kushandisa simbi yekunyungudutsa kuti ikurumidze kushandura mapedhi maviri kuti asungirwe kaviri kusvika katatu. Izvi zvakakosha, kana zvisina kudaro zviri nyore kuita kuti mabheji amise mhepo kukanganisa kupisa kwekupisa. Mukuwedzera, zvakanakisisa kushandisa mamwe maitiro ekupisa kune denderedzwa padhi pakati kuti kuderedze kupikisa kwekushisa pane denderedzwa padhi pakati kuti kuderedze kupisa kwekushisa. Tsiva chikamu che5050
“Chinamira chetafura
”(Inozivikanwawo seSMD) Mabheji emwenje anozotaridzika achinetsa. Kushandisa pfuti dzemhepo dzinopisa uye simbi yekunyungudutsa pasi, chero bedzi iyo aluminium substrate isati yaparadzwa. Zvadaro shandisa simbi inosungirirwa kuti ubvise iyo yakawandisa welding uye usiye chete chidimbu chitete. Nhanho inotevera yewelding inofanira kutanga kubva kumashure, nokuti mapedhi epamberi akanyanya kuvanzwa solder iron, uye pfuti yemhepo inopisa ichapiswa nyore nyore ne collagen yemarambi. Tsvaga nzvimbo yemarambi kuseri kwealuminium substrate, uye kupisa ne tile hombe kana pfuti yemhepo inopisa kusvikira weld yepamberi yanyunguduka kuti weld mabhero emwenje. Kune zvimedu zvakati kurei mwenje se5730, kuwedzera kune maviri welded majoini anomiririra matanda e LED, pachava nemapedhi akanangana nekupisa kupisa pakati. Kupisa. Ehe, iwe unogona zvakare kushandisa mwenje wealuminium kana mamwe masosi ekupisa kupisa aluminium substrates. Zvisinei, dzimwe nguva dzimwe nguva kukuvadza bhedhi remwenje hazvireve kuti kutsiviwa. Kana zvinopfuura 5 parallel marambi mabhesi anogona kubviswa zvakananga, mabheji emwenje akaipa anogona kubviswa pasina kuvandudzwa; Short circuit. Mune nzira mbiri dziri pamusoro apa, yekutanga ichawedzera yakasara chiedza bead ikozvino, iyo yakawanda nhamba yekuenzanisa, iduku, uye kunyange pasina chikonzero chekufunga. Yechipiri nzira haina mhedzisiro pane yakasara mabhesi emwenje. Asi chimwe chinhu chakafanana ndechekuti pamusoro pemwenje ichaonekwa mune rima dots kana nzvimbo dzine rima, zvichikanganisa kunaka kwese. Zviri pamusoro ndiyo nzira yatinowanzo shandura nayo marambi mabheji. Ndinotarisira kukubatsira. Iyo inyanzvi yekugadzira mwenje wemwenje we LED ine huwandu hwematendi enyika. Zvigadzirwa zvikuru ndeyepepuru mwenje we LED, infrared mwenje mabheji, ultraviolet mwenje mabhero, ruvara rwemwenje mabhero e LED, nezvimwe. Mukuru. Kana iwe uchida kudzidza zvakawanda nezve LED marambi mabheji, unogona kubvunza mutengi basa!
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