Ukuthelekiswa kweentlobo ze-5 ze-HEAT SINK zokukhanyisa izibane ze-LED

Okwangoku, ingxaki enkulu yezobuchwepheshe yokukhanyisa izibane ze-LED yingxaki yokutshatyalaliswa kobushushu

Ukutshatyalaliswa kobushushu obuhlwempuzekileyo kukhokelela kumbane wokuqhuba i-LED kunye ne-electrolytic capacitors, eziye zaba yibhodi emfutshane yophuhliso oluqhubekayo lwezixhobo zokukhanyisa izibane ze-LED, kunye nesizathu sokuguga kwangaphambili kwemithombo yokukhanya ye-LED.
Kwiskimu sesibane usebenzisa i-LV LED umthombo wokukhanya, kuba umthombo wokukhanya we-LED usebenza kwi-voltage ephantsi (VF = 3.2V), i-high current (IF = 300 ~ 700mA) yesimo sokusebenza, ubushushu bunamandla kakhulu, kunye nesithuba semveli. izibane zimxinwa kwaye indawo encinci.Kunzima ukuba iradiyetha ikhuphe ubushushu ngokukhawuleza.Nangona iindlela ezahlukeneyo zokutshatyalaliswa kobushushu ziye zamkelwa, iziphumo azinelisekanga, kwaye ibe yingxaki engenakusombululeka kwizibane ze-LED.Ukukhangela izinto ezilula ukuzisebenzisa, i-thermal conductive, kunye nexabiso eliphantsi lokulahla ubushushu zihlala zisendleleni.

Okwangoku, emva kokuba umthombo wokukhanya we-LED unikwe amandla, malunga ne-30% yamandla ombane aguqulwa abe amandla okukhanya, kwaye amanye aguqulwa abe ngamandla obushushu.Ke ngoko, yitekhnoloji ephambili yoyilo lwesibane sesibane se-LED ukuthumela ngaphandle amandla obushushu amaninzi ngokukhawuleza.Amandla obushushu kufuneka abhujiswe ngokuqhutywa kobushushu, ukuhanjiswa kobushushu kunye nemitha yobushushu.Kuphela ngokuthumela ngaphandle ubushushu ngokukhawuleza kunokwenzeka ukuba ubushushu bomgodi kwisibane se-LED buncitshiswe ngokufanelekileyo, unikezelo lwamandla lunokukhuselwa ekusebenzeni kwindawo ehlala ixesha elide lobushushu obuphezulu, kunye nokuguga kwangaphambili komthombo wokukhanya we-LED ngenxa yexesha elide. -umsebenzi wexesha lobushushu obuphezulu unokuphetshwa.

Ukutshatyalaliswa kobushushu bezixhobo zokukhanyisa izibane ze-LED

Kungenxa yokuba umthombo wokukhanya we-LED ngokwawo awunayo imisebe ye-infrared kunye ne-ultraviolet, ngoko ke umthombo wokukhanya we-LED ngokwawo awunawo umsebenzi wokutshatyalaliswa kobushushu bemitha.I-radiator kufuneka ibe nemisebenzi yokuqhuba ubushushu, i-heat convection kunye nemitha yokushisa.
Nayiphi na i-radiator, ngaphezu kokukwazi ukuqhuba ngokukhawuleza ubushushu ukusuka kumthombo wobushushu ukuya kumphezulu we-radiator, ubukhulu becala ixhomekeke kwi-convection kunye ne-radiation ukukhupha ukushisa emoyeni.Ukuqhutyelwa kokushisa kusombulula kuphela indlela yokudlulisa ubushushu, ngelixa ukuhanjiswa kobushushu kungumsebenzi oyintloko we-radiator.Ukusebenza kokutshatyalaliswa kobushushu kumiselwa ubukhulu becala yindawo yokuchitha ubushushu, imilo, kunye nokukwazi ukomelela kwendalo yokuhambisa ubushushu, kunye nemitha yobushushu yindima encedisayo kuphela.
Ngokuqhelekileyo, ukuba umgama osuka kumthombo wobushushu ukuya kumphezulu we-sink yobushushu ungaphantsi kwe-5mm, ngoko nje ukuba i-thermal conductivity yezinto eziphathekayo ingaphezulu kwe-5, ubushushu bunokutshatyalaliswa, kunye nokunye ukuchithwa kobushushu. kufuneka ilawulwe yi-thermal convection.
Uninzi lwemithombo yokukhanyisa i-LED isasebenzisa i-low-voltage (VF = 3.2V), i-high-current (IF = 200-700mA) izibane zesibane se-LED.Ngenxa yokushisa okuphezulu ngexesha lokusebenza, i-aluminium alloys ene-high conductivity ye-thermal kufuneka isetyenziswe.Ngokwesiqhelo kukho iiradiyetha ze-aluminiyam efileyo, iiradiyetha ze-aluminiyam ezikhutshiweyo, kunye neeradiyetha ezinesitampu zealuminiyam.Iradiyetha ye-aluminiyam yokufa yitekhnoloji yeendawo zokulahla.Ulwelo zinc-ubhedu-aluminiyam ingxubevange igalelwe kwizibuko feed kumatshini die-casting, kwaye emva koko die-casted ngumatshini die-casting ukuphosa irediyetha imilo echazwe ngundo eyilwe kwangaphambili.

Die-cast aluminiyam ubushushu isinki

Iindleko zokuvelisa ziyakwazi ukulawulwa, kwaye i-heat dissipation fins ayinakwenziwa ibe yincinci, okwenza kube nzima ukunyusa indawo yokushisa ukushisa.Izinto ezisetyenziswa ngokuqhelekileyo zokuphosa izibane zokushisa kwesibane se-LED yi-ADC10 kunye ne-ADC12.

I-Aluminiyam yoBubushushu eSinki eyongeziweyo

I-aluminium ye-liquid ikhutshwe ngokufa okusisigxina, kwaye ibha iyanqunyulwa kwi-radiator yesimo esifunekayo ngomatshini, kwaye iindleko ze-post-processing ziphezulu.Amaphiko okupholisa anokwenziwa abhitye kakhulu, kwaye indawo yokulahla ubushushu yandiswe ngowona mlinganiselo mkhulu.Xa iifins zokupholisa zisebenza, ukuhanjiswa komoya kuyenziwa ngokuzenzekelayo ukusasaza ubushushu, kwaye umphumo wokuphelisa ubushushu ungcono.Izinto ezisetyenziswa ngokuqhelekileyo ziyi-AL6061 kunye ne-AL6063.

Isinki yobushushu egxininisiweyo yeAluminiyam

Kukubetha kunye nokuphakamisa iipleyiti zentsimbi kunye ne-aluminiyam ye-alloy ngokubhoboza oomatshini kunye nokubumba ukuzenza kwiiradiyetha ezimile okwekomityi.I-periphery yangaphakathi nangaphandle yee-radiators ezinesitampu zihamba kakuhle, kwaye indawo yokutshatyalaliswa kobushushu iyancipha ngenxa yokungabikho kwamaphiko.Izinto ezisetyenziswa ngokuqhelekileyo i-aluminium alloy i-5052, i-6061, kunye ne-6063. Umgangatho wamacandelo e-stamping encinci kwaye izinga lokusetyenziswa kwezinto eziphathekayo liphezulu, isisombululo esiphantsi kweendleko.
Ukuqhuba ubushushu be-radiator ye-aluminium ialloy ilungile, kwaye ifaneleke ngakumbi ukutshintshwa okuzimeleyo okuhlala kukho unikezelo lwamandla lwangoku.Ukutshintshela okungekho yedwa umbane okhoyo ngoku, kuyimfuneko ukwahlula i-AC kunye ne-DC, i-high-voltage kunye ne-low-voltage unikezelo lwamandla ngoyilo lwesakhiwo sezibane ukuze uphumelele isiqinisekiso se-CE okanye i-UL.

Isinki yobushushu egqunywe ngeplastiki

Yiradiyetha engundoqo ye-aluminiyam yeplastiki eqhuba iqokobhe leplastiki.Iplastiki ye-thermally conductive kunye ne-aluminium yokutshatyalaliswa kobushushu be-core yenziwa kumatshini wokubumba inaliti ngexesha elinye, kwaye i-aluminium yokutshatyalaliswa kobushushu ingundoqo isetyenziswe njengenxalenye edibeneyo kwaye idinga umatshini kwangaphambili.Ubushushu besibane sesibane se-LED bugqithiselwa ngokukhawuleza kwiplastiki ye-thermally conductive ngokusebenzisa i-aluminiyam yokushisa ubushushu engundoqo, kwaye iplastiki ye-thermally conductive isebenzisa amaphiko ayo amaninzi ukwenza ukuchithwa kobushushu bomoya, kwaye isebenzisa umphezulu wayo ukukhupha inxalenye yobushushu.
Iiradiyetha ze-aluminiyam ezigqunywe ngeplastiki ziqhele ukusebenzisa imibala yantlandlolo yeeplastiki ze-thermal conductive, ezimhlophe nezimnyama, kunye neeradiyetha zeplastiki ezimnyama ezigqunywe ngeplastiki zineziphumo ezingcono zokuchitha ubushushu bemitha.Iplastiki ye-thermal conductive yimathiriyeli ye-thermoplastic.Ubumanzi, ukuxinana, ukuqina kunye nokomelela kwesixhobo kulula ukubumba inaliti.Inokumelana kakuhle nemijikelo yokuqhaqhazela okubandayo kunye ne-thermal kunye neempawu ezigqwesileyo zokugquma.Ukukhutshwa kweeplastiki ze-thermal conductive kungcono kunezinto eziqhelekileyo zetsimbi.
Ubuninzi beplastiki ye-thermal conductive yi-40% encinci kune-aluminiyam ye-die-cast kunye ne-ceramics, kwaye ubunzima be-aluminiyam ehlanganiswe ngeplastiki inokuncitshiswa malunga nesinye kwisithathu kwimilo efanayo yeradiyetha;xa kuthelekiswa neeradiyetha ze-aluminiyam zonke, iindleko zokucubungula ziphantsi, umjikelo wokucubungula umfutshane, kwaye ubushushu bokusebenza buphantsi;Imveliso egqityiweyo ayilula ukuphuka;umatshini wokubumba inaliti yabathengi unokuqhuba uyilo lolwahlulo lokumila kunye nokuveliswa kwezibane.I-radiator ye-aluminium efakwe kwiplastiki inokusebenza kakuhle kwe-insulation kwaye kulula ukudlula imimiselo yokhuseleko.

I-thermal conductivity ephezulu yeplastiki yokushisa i-sink

Iradiyetha yeplastiki ye-thermal conductivity ephezulu iphuhliswe ngokukhawuleza kutshanje.Iradiyetha yeplastiki ene-thermal conductivity ephezulu yiradiyetha yeplastiki yonke.I-thermal conductivity yayo ngamaxesha amaninzi aphezulu kuneeplastiki eziqhelekileyo, ukufikelela kwi-2-9w / mk.Inamandla okuqhuba ubushushu kunye nemitha yobushushu.;Uhlobo olutsha lwe-insulation kunye nezinto zokutshatyalaliswa kobushushu ezinokuthi zisetyenziswe kwizibane zamandla ezahlukeneyo, kwaye zingasetyenziswa ngokubanzi kwiindidi ezahlukeneyo zezibane ze-LED ukusuka kwi-1W ukuya kwi-200W.

Ukuchithwa kobushushu kwimodyuli edibeneyo ye-photothermal

Idityaniswe nethekhnoloji yokupakisha ye-three-dimensional ye-K-COB yomthombo wokukhanya kunye ne-self-excited isigaba sokutshintsha iteknoloji yokulawula i-thermal, imodyuli edibeneyo ye-photothermal yenziwa.Ubhedu olucocekileyo olungenawo i-oxygen lusetyenziswa njengento eluhlaza, kwaye i-coefficient yokudlulisa ukushisa inokufikelela kwi-300,000 w / mk, eyona nto iphakamileyo emhlabeni.Fast superconducting izinto, iteknoloji patented iyunifomu ubushushu isiseko isakhiwo ipleyiti, kunye nesakhiwo ubushushu iyunifomu yayo ekhethekileyo inehlabathi conductivity eyomeleleyo thermal kunye nobushushu dissipation umthamo, leyo eyenza isibane ukukhanya umthombo ubomi obude kunye neenzuzo ubungakanani obuncinane kunye nobunzima ukukhanya.Ubushushu bomthombo wokukhanya bugqithiselwa ngokukhawuleza kwisitya ngasinye sokushisa ukuze kuqhutywe ngokupheleleyo ukuguqulwa kwe-thermal kunye nendawo yendawo, ukuze kuphunyezwe ukupholisa ngokukhawuleza, okulingana ne-air conditioner encinci kunye ne-chips LED.

K-COB LED CHIPS

Idityaniswe netekhnoloji ye-double-channel conduction yobushushu bomthombo wokukhanya ngokwawo, imithombo emibini yobushushu yomthombo wokukhanya kwe-LED, i-chip ye-LED kunye nejelo lobushushu eliphambili le-ceramic phosphor, lahluliwe.Ukubeka ngaphandle, kunye nolungiselelo lwe-chip olufanelekileyo, into yokudibanisa i-thermal inokuphetshwa ngokufanelekileyo, ngaloo ndlela inciphisa ngokufanelekileyo ubushushu be-chip, kwaye iteknoloji yokupakisha yokukhanya kwe-K-COB iye yaphuhliswa, ngaloo ndlela iphucula ngakumbi ukusebenza kunye nobomi bokukhanya kwe-LED. umthombo.

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Ixesha lokuposa: Mar-10-2022
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