Aluminium ukucwila ubushushu for LED

Yinto eyaziwayo ukuba ixesha LED kuxhomekeka kumgangatho izixhobo ezisetyenziswa kwisixhobo semiconductor kunye Umlinganiselo ekhoyo kwimali ubushushu eyenziwe. Ukunika ukukhanya ngokuthe ngcembe unciphisa, yaye emva kokuba kuya kuba nesiqingatha ixabiso lokuqala, ubomi LED ziya kuqala ukuhla. Ubude yokusebenza yamacebo inokuba iiyure ukuya ku-100 000, kodwa kuphela phantsi komqathango ukuba alichatshazelwa amaqondo obushushu aphezulu.

Kuba izixhobo ezivelisa ubushushu okupholisa, esetyenziswa isixhobo elektroniki radio ezifana isinki ubushushu ngenxa LED. Ubushushu liyasuswa lokubolekwa emoyeni siyifumana iindlela ezimbini.

Indlela lokuqala olupholisa i LED

Le ndlela isekelwe amaza radiation thermal emoyeni, okanye පිළිතුරු iimpendulo ubushushu. Indlela bobabo kudidi lungapholi kwisixando sokwenziwa. Inxalenye ye-eneji azikhutshwa emkhathini ukubhobhoza infrared ukhazimle, yaye inxalenye uhamba ejikeleza zezulu eshushu kwi radiator.

Phakathi iindlela LED scheme sokwehlisa nje yaziwa kakhulu. It has akukho ndlela ejikelezayo kwaye ayifuni yolondolozo lwamathuba.

Bobubi yale nkqubo zibandakanya imfuno ukufaka isinki ubushushu enkulu. ubunzima bayo mkhulu ngokwaneleyo, kwaye ixabiso ngokuba phezulu.

Indlela yesibini

Wafumana igama පිළිතුරු iimpendulo lesiphithiphithi. Le ndlela iyasebenza. Le nkqubo isebenza abalandeli okanye ezinye izixhobo mechanical anokudala ukungena komoya.

indlela Ukupholisa Active abe nezinga eliphezulu zentsebenzo ngaphezu indlela kwisixando sokwenziwa. Noko ke, iimeko zemozulu esibi, ubukho oluninzi eluthulini, ingakumbi emoyeni evulekileyo, musa ukuvumela ukufaka izikim afanayo kwenye indawo.

Ukuveliswa radiators

le migaqo ilandelayo kufuneka kukhokela ukukhetha impahla:

• Izinga conductivity thermal kufuneka ungabi ngaphantsi kwe-5-10 watts. Materials zinciphisa awukwazi ukuveza bonke ubushushu kudinga umoya.
• Inqanaba conductivity thermal ngasentla 10 W ukusuka kwindawo yezobugcisa umbono uya kuba kukhulu kakhulu, nto leyo kuya kuquka iindleko ezingeyomfuneko imali ngaphandle ukwandisa ukusebenza isixhobo.

Kuba imveliso radiators zidla kusetyenziswa-aluminiyam, ikopolo neeseramiki. Izixhobo Release ngokusekelwe zeplastiki, ubushushu-enyamalala.

kwemidlalo aluminium

Radiator for LED, ezichatshazelwe kakhulu ethandwa, yenziwe aluminiyam. Luncedo xa ifowuni kukuba siqulathe uthotho lamanqanaba. Oku kubangela ukumelana zezomzuzwana thermal, nto leyo onganyelwe ezongezelelweyo izinto bubushushu ukuqhutywa: izinto kulu, iipleyiti zokwambathisa, izixhobo zokugcwalisa izithuba umoya.

Aluminium utshona ubushushu ukuba LED lungasetyenziswa ngakumbi kunezinye. Kuyinto othambekele ngokucindezela alwa kukuzingxala ubushushu.

Sokwehlisa umgangatho esebenzayo kaninzi kufuna iphepha omthebelele aluminiyam elimlinganiselo kuno ubungakanani isibane. Sheet luphetshethwa fan.

A lobushushu elifanelekileyo ukulungiselela ukusebenza i-LED ithathwa ngesalathisi 65 ° C. Nangona kunjalo, lo uphantsi ubushushu, kungona ukusebenza lesixhobo ubomi bebhetri elide. Iqondo lobushushu kangangoko umphezulu radiator uthathwa ngesalathisi 45 ° C, kodwa hayi ngaphezulu. Kuba diode 1 W amandla kuyimfuneko ukufaka kwi radiator aluminium. Ummandla i radiator yi 30-35 cm ^2. Radiator 3 W LED ifuna ukwanda kummandla iya kabini kunye 60-70 ^cm2.

Njengoko radiator na isixhobo zivunywa eyenziwe aluminium njengoko kakhulu lula kwaye ayibizi kakhulu. Xa kubalwa isixhobo for kwimiboniso LED uthabathe inani kwe-35 cm ukuya kwi-1 W.

Sokwehlisa indawo uphawu kwiradiyetha esebenzayo kunokuba amaxesha ngaphantsi kwe-10. Kwi LED 1 W ngokwaneleyo 3-3.5 cm ^2.

Ngokomzekelo, cinga ubushushu echibini "inkwenkwezi" ngenxa LED. Izixhobo esetyenziselwa kokususa ubushushu ukusuka LED kwaye kwiradiyetha encinane. ipleyiti yayo isiseko yenziwe ngezixhobo edityanisiweyo - isetyenziswa aluminiyam, ubushushu owenza ukusuka LED kunye ngefoyile ye sobhedu kwamagqabi nimanyane. Le radiator ekhwele LED ngamandla aphezulu (3.1 W).

Radiators ngobhedu

Zizixhobo ziqulathe imbasa yobhedu. Ubhedu has a conductivity ephakamileyo oshushu ngaphezu aluminiyam. uquko kule nkqubo sifanelekile na.

Kodwa ngokubanzi, i-aluminiyamu metal na enasilela ngokwemiqathango ubunzima kunye nokusebenza. Ubhedu ayilo metal oluthambileyo. Ukwenza imveliso copper isixhobo ngokucinezela ndlela nenoqoqosho. Ahlabayo machining ushiya isixa esikhulu inkunkuma izinto zexabiso.

Radiators ezenziwe ngodongwe

model ophumelelayo isinki ubushushu yodongwe ngenxa LED, leyo isicelo ekuqaleni ezityhutyhayo, eqhuba yangoku. Ngqo nabo yaye kukho LED podpayka. Le kuyilo kushiya ubushushu kabini xa kuthelekiswa izixhobo aluminium.

Radiators eyenziwe ngeplastiki

Ubushushu enyamalala isixhobo ngezixhobo zeplastiki umdla. Kwaye le migudu iyaqondakala, ekubeni iindleko kwale nto amaxabiso aluminiyam ophantsi kwinqanaba zeteknoloji ephezulu.

Kodwa conductivity wobushushu yenqanaba hayi ngaphezulu kwe iiplastiki eziqhelekileyo 0.1-0.2 W / (m · K). Singakwazi ukufikelela sisalathisi eyamkelekileyo usebenzisa fillers ezahlukeneyo. Xa uvala ifowuni aluminiyam radiator ngokusekelwe iiplastiki (ezilinganayo), inqanaba lobushushu kwamaqondo owongozelelweyo i liphuma nge 4-5%. Ngokusekelwe into yokuba conductivity wobushushu of diffuser zeplastiki lingaphantsi kunolo aluminiyam (8 W / (m · K) nxamnye 220-180 W / (m · K)), sigqiba: zeplastiki zokuthenga ukukhuphisana aluminiyam.

iimpawu Uyilo radiators

Abaninzi bayazibuza: yintoni na esinkini ubushushu LED ngcono?

Kukho amaqela amabini zokuguqulwa zezi:

• yenaliti;
• exabe.

Umzekelo, ukuba 10W LED radiator exabe zimelwe LED-isixhobo.

Uhlobo lokuqala iqhele ukusebenziswa sokwehlisa zendalo LED indlela, kwaye eyesibini - ukumnyanzela. Ngokwemiqathango zobukhulu ezifanayo kwisixando indibano inaliti 70% ngaphezulu kwe ukusebenza lohlobo exabe.

Radiators for LED eliphezulu-amandla abe isakhiwo acicular. Ezi nkundla ke zenzelwe ukuba LED eliphezulu-amandla, kodwa oku akuthethi ukuba izixhobo iipleyiti exabe ngokusekelwe zilufanele kuphela ukusebenza yokwela. Ngokuxhomekeke zejometri imida kwaye zisetyenziswa uzipholisa umlinganiswa kwisixando sokwenziwa.

Radiator naliphi uqwalaselo LED unokuba isikwere, uxande okanye imilo setyhula.

Indlela yokubala kummandla radiator. Iindlela zokufumana amanyathelo oluchanileyo yemida device

Kulo mzekelo, ngokusekelwe kwinani izinto ezibalulekileyo:

• voice iparameters;
• kwinqanaba indawo kwiintsali;
• ukulungisa i radiator;
• izinto ezithile apho ifowuni wenza teploobmenivayuschee.

Ke zonke ezi iinkcukacha eziyimfuneko ukuze lowo wengcibi yokuluka, ephuhlisa isinki ubushushu.

Sisiseko amateurs kunomathotholo, njengoko umthetho, kuthatyathwa ukusebenzisa eshona ubushushu. Yonke into efunekayo - kukwazi bamandla wokuzibhubhisa liphezulu icebo kobushushu.

Indlela yokuqala

Area ubalo lwenziwa ngokomgaqo wokubala F = a x Cx (T1 - T2), apho F na ukubhobhoza ubushushu, kunye S - indawo kwiradiyetha umphezulu (sum of kwiinkalo zonke iimbambo okanye iinaliti zeendawana sq.m.), T1 - olubonisa lobushushu esingqongileyo, lo liyancipha nobushushu T2 - amaqondo obushushu bomhlaba shushu.

Ukuvelisa indawo count, umntu kufuneka sinikele ingqalelo into yokuba lo fin okanye ipleyiti na iindawo ezimbini ukusasaza ubushushu.

Ukubalwa wobuso inaliti yenziwa ecaleni achazwe apha (π x D), xa iphinda phindwe component ukuphakama.

Kuba imiphezulu angakhange phantsi ipolishi, ngumlingani transfer ubushushu sisalathiso ilingana 8.6 W / (m ² · K).

Indlela yesibini yokubala

Kukho nenye indlela elula, Kotra afunyenwe imifuniselo.

S = [22 - (M x 1,5)] x W, apho S sisalathisi kwindawo sokufudumeza, W - Ebeka amandla (W), kunye M - amandla engasetyenziswayo LED.

Kuba uhlobo radiator exabe, eyenziwe aluminium-based, ungasebenzisa i data ezinikezelwa iinjineli evela Taiwan. Aba Awunayo ngqo, njengoko kubonisiwe kwizintlu kunye index eliphezulu run. Ukongeza, le nkcazo ilungele iimeko zemozulu eTaiwan. Bangakwazi kususela kuphela izibalo zokuqala.

Indlela yokwenza i radiator ngezandla zakho?

amateurs Radio zithathwa ayifane lokuvelisa teplootvodchikov ngezandla zabo, ngenxa yokuba lo element ufuna imbopheleleko ekhethekileyo. Ngapha koko, le mveliso unefuthe inkonzo ixesha elide LED. Kodwa ke kuyenzeka ukuba iinkosi wabhenela eyimveliso sokufudumeza ngayo kwezobuGcisa izixhobo ezifumaneka.

I ukhetho lokuqala

design ehlanganisiwe. Ngaba isangqa apho usikwe kwi-aluminiyam. Kukho ziintlanga. Amacandelo ngenxa zityediwe kancinane. Ngenxa yoko iinkcukacha efanayo ivili fan. izixhobo amazembe ukuba isongiwe barbels ezine iinkonzo isixhobo lokubopha. I-LED unako apha ngokusebenzisa ngezikhonkwane ucole thermal.

inketho 2

Radiator for LED ngezandla zabo angenziwa isuntswana umbhobho aluminiyam kunye ebuxande cross-candelo.

izinto ezifunekayo:

• ubukhulu 30h15h1,5 mm ityhubhu;
• cinezela wokucoca kabani ubukhulu yi-16 mm;
• ngcina emhlabeni;
• Thermal intlama QFT-8;
• iprofayile emise W-265;
• self-uthinte ngezikhonkwane.

Ukuze nokwandisa ndibano imingxuma ezintathu eweva ogama ubukhulu ngu 8 mm, kwaye iprofayile - imingxuma ububanzi 3.8 mm eqwalasele esebenzisa ngezikhonkwane.

Ii-LED, banamathele ityhubhu - kwindawo engundoqo ye radiator - usebenzisa ngcina thermal. Kwiindawo apho amalungu radiator iqhagamshele, umaleko ubushushu-KTP ukucola 8.

Badlule bahlanganise isakhiwo usebenzisa ngezikhonkwane self-ngokuthinta cofa puck.

Iindlela for obandayo le LED ukuya kumgxobhozo ubushushu

LED sidityaniswe kwifowuni ngokusebenzisa iindlela ezimbini:

• mechanical;
• ekwakheni ubuhlobo.

LED ngcina glue thermal. Ukuza kuthi ga ngoku, umphezulu wentsimbi isicelo ingcina elincinane walibeka phezu LED. Ukuze ufumane uqhagamshelwano elungileyo sicofiwe phantsi umthwalo LED de ngcina owomileyo. Kodwa eyona amagcisa bakhetha ukusebenzisa indlela ngoomatshini.

Okwangoku wavelisa panel ezizodwa apho unako kweli xesha lifutshane kangangoko ukwenza ufakelo le diode. Ezinye modeli iquka ezinjengeetheminali ezongezelelweyo ngenxa yokukhanya eziziisekondari. Ukufakwa silula kakhulu. Ukuya kwi radiator enyusiweyo LED, ngoko - lenjongo encamathele kuyo isiseko usebenzisa ngezikhonkwane self-ngokuthinta.

isiphelo

I radiator sokwehlisa LED ezikumgangatho ophezulu waba isitshixo ixesha elide isixhobo. Ngoko ke, ukukhetha ifowuni kufuneka silumke kakhulu. Kubhetele ukuba babhenele ukusetyenziswa sokufudumeza zezityalo. Ukuba ziyafumaneka kwiivenkile koonomathotholo kunye neeletroniki ezithengiswayo. Iindleko zokusebenza ziphezulu, kodwa ukufakela LED kuwo kulula, kunye nokukhuselwa umgangatho ezahlukeneyo kunye nokuthembeka.