Babban kalubalen fasaha don na'urorin hasken wuta na LED a halin yanzu shine zubar da zafi. Rashin zafi mara kyau ya haifar da samar da wutar lantarki na direba na LED da masu amfani da wutar lantarki sun zama kasawa don ci gaba da bunkasa kayan hasken LED, da kuma dalilin tsufa na hasken hasken LED.
A cikin tsarin hasken wuta ta amfani da tushen hasken LV LED, saboda yanayin aiki na tushen hasken LED a ƙananan ƙarfin lantarki (VF = 3.2V) da babban halin yanzu (IF = 300-700mA), yana haifar da zafi mai yawa. Kayan fitilu na al'ada suna da iyakacin sarari, kuma yana da wahala ga ƙananan wuraren zafin zafi don kawar da zafi da sauri. Duk da yin amfani da hanyoyin magance zafi daban-daban, sakamakon bai gamsar da shi ba kuma ya zama matsala maras warwarewa ga na'urorin hasken wuta na LED. Kullum muna ƙoƙari don nemo kayan ɓata zafi mai sauƙi da sauƙi don amfani tare da kyakkyawan yanayin zafi da ƙarancin farashi.
A halin yanzu, lokacin da aka kunna wutar lantarki ta LED, kusan kashi 30% na makamashin lantarki yana canzawa zuwa makamashin haske, sauran kuma ya zama makamashin zafi. Sabili da haka, fitar da makamashi mai zafi da sauri da wuri-wuri shine fasaha mai mahimmanci a cikin ƙirar ƙirar fitilun LED. Ana buƙatar ɓatar da makamashin thermal ta hanyar tafiyar da zafi, convection, da radiation. Sai kawai ta hanyar fitar da zafi da wuri-wuri za a iya rage yawan zafin jiki a cikin fitilun LED yadda ya kamata, ana kiyaye wutar lantarki daga aiki a cikin yanayin zafi mai tsayi, da kuma tsufa na tushen hasken LED wanda ya haifar da dogon lokaci mai tsayi. - a guji aiki da zafin jiki.

Hanyar watsar da zafi na fitilu na LED
Saboda tushen hasken LED da kansu ba su da infrared ko ultraviolet radiation, ba su da aikin watsar da zafin radiation. Hanyar watsar da zafi na na'urorin hasken wutar lantarki na LED kawai za a iya fitar da su ta hanyar dumama zafi a hade tare da allon katako na LED. Dole ne radiator ya kasance yana da ayyukan tafiyar da zafi, ɗaukar zafi, da hasken zafi.
Duk wani radiyo, baya ga samun damar da sauri canja wurin zafi daga tushen zafi zuwa saman radiyo, galibi yana dogara ne akan convection da radiation don watsar da zafi cikin iska. Gudanar da thermal kawai yana warware hanyar canja wurin zafi, yayin da yanayin zafi shine babban aikin magudanar zafi. Ayyukan ɓarkewar zafi yana ƙaddara ta wurin ɓarkewar zafi, siffa, da ƙarfin juzu'i na yanayi, kuma hasken zafi shine kawai aikin taimako.
Gabaɗaya, idan nisa daga tushen zafi zuwa saman kwandon zafi bai wuce 5mm ba, idan dai yanayin zafin na'urar ya fi 5, ana iya fitar da zafinsa zuwa waje, sauran zafin zafi dole ne. za a mamaye thermal convection.
Yawancin tushen hasken LED har yanzu suna amfani da beads na LED tare da ƙananan ƙarfin lantarki (VF = 3.2V) da babban halin yanzu (IF = 200-700mA). Saboda tsananin zafi da aka haifar yayin aiki, dole ne a yi amfani da alluran aluminium tare da haɓakar yanayin zafi. Akan sami radiyon aluminium da aka kashe da suka mutu, fitattun radiyon aluminium, da radiyon aluminium da aka hatimi. Die Cast aluminum radiator fasahar ce ta simintin simintin sassa, inda ruwa zinc jan karfe aluminum gami da ake zuba a cikin tashar ciyar da na'urar da za a mutu-simintin, sa'an nan ya mutu ya jefar da mutu-simintin inji don samar da wani radiator tare da ayyana siffar. ta hanyar ƙirar da aka riga aka tsara.

Radiator da aka yi da aluminum
Kudin samarwa yana iya sarrafawa, amma fuka-fukan zafi na zafi ba za a iya yin bakin ciki ba, yana da wuya a kara yawan yankin zafi. Abubuwan da aka saba amfani da su don simintin ɗumbin fitilar LED sune ADC10 da ADC12.

Aluminum radiator da aka matse
Matsar da ruwa aluminium zuwa siffa ta hanyar tsayayyen tsari, sannan yanke sandar zuwa siffar da ake so na mashin zafi ta hanyar injina, yana haifar da ƙarin farashin sarrafawa a matakai na gaba. Za a iya yin fuka-fukan zafi mai zafi sosai, tare da matsakaicin fadada yankin zafi. Lokacin da fuka-fuki masu zafi suna aiki, suna samar da iska ta atomatik don watsa zafi, kuma tasirin zafi yana da kyau. Abubuwan da aka saba amfani da su sune AL6061 da AL6063.

Tambarin aluminum radiator
Ana samunsa ta hanyar tambari da jan faranti na ƙarfe da aluminum gami da injinan naushi da gyaɗa don samar da radiators masu siffar kofi. Radiator da aka hatimi suna da santsin gefuna ciki da waje, amma iyakacin wurin ɓarkewar zafi saboda ƙarancin fuka-fuki. Abubuwan da aka saba amfani da su na aluminum gami sune 5052, 6061, da 6063. Sassan hatimi suna da ƙarancin inganci da babban amfani da kayan aiki, yana mai da shi mafita mai sauƙi.
Ƙwararren wutar lantarki na aluminum gami radiators yana da kyau kuma ya dace da keɓaɓɓen sauya wutar lantarki na yanzu. Don samar da wutar lantarki na yau da kullun wanda ba keɓance ba, ya zama dole a ware AC da DC, samar da wutar lantarki mai ƙarfi da ƙarancin wuta ta tsarin ƙirar kayan aikin hasken don wucewa takaddun CE ko UL.

Filastik mai rufi aluminum radiator
Wuta ce mai zafi tare da harsashi na filastik mai zafi da kuma aluminium. Thermal conductive roba da aluminum zafi dissipation core ana gyare-gyare a daya tafi a kan allura gyare-gyaren inji, da kuma aluminum zafi dissipation core da ake amfani da a matsayin saka part, wanda bukatar inji a gaba. Zafin beads na LED ana saurin aiwatar da shi zuwa robobi na thermal conductive ta hanyar core dissipation heat na aluminum. Filayen zafin zafin jiki yana amfani da fuka-fukansa da yawa don samar da iskar zafin zafi kuma yana haskaka wasu zafi a samansa.
Filastik nannade aluminium radiators gabaɗaya suna amfani da ainihin launuka na roba mai ɗaukar zafi, fari da baki. Black roba nannade aluminum radiators suna da ingantacciyar tasirin watsawar zafi na radiation. Filastik mai ɗaukar zafi nau'in abu ne na thermoplastic wanda ke da sauƙin siffa ta hanyar gyare-gyaren allura saboda yawan ruwa, yawa, tauri, da ƙarfi. Yana da kyakkyawan juriya ga zagayowar girgiza thermal da kyakkyawan aikin rufewa. Robobi masu sarrafa zafin jiki suna da mafi girman ƙimar radiation fiye da kayan ƙarfe na yau da kullun.
Yawancin robobin da ke sarrafa zafin jiki shine 40% ƙasa da na simintin aluminum da yumbu. Ga masu radiyo na sifa iri ɗaya, za a iya rage nauyin alumini mai rufi na filastik da kusan kashi ɗaya bisa uku; Idan aka kwatanta da duk radiators na aluminum, yana da ƙananan farashin sarrafawa, gajeriyar hawan aiki, da ƙananan yanayin aiki; Samfurin da aka gama ba shi da rauni; Abokan ciniki za su iya samar da na'urorin yin gyare-gyaren allura na kansu don ƙirar bayyanar daban-daban da kuma samar da kayan aikin haske. Radiator mai lullube da filastik yana da kyakkyawan aikin rufewa kuma yana da sauƙin wuce ƙa'idodin aminci.

High thermal conductivity filastik radiator
Maɗaukakin zafin zafi na filastik radiators suna haɓaka cikin sauri kwanan nan. High thermal conductivity filastik radiators nau'in nau'in nau'in nau'in nau'in nau'i ne na duk filastik filastik tare da yanayin zafi da yawa sau da yawa fiye da robobi na yau da kullum, suna kaiwa 2-9w / mk, kuma suna da kyakkyawan yanayin zafi da ƙarfin radiation; Wani sabon nau'in rufi da kayan zubar da zafi wanda za'a iya amfani da shi ga fitilun wuta daban-daban, kuma ana iya amfani dashi sosai a cikin fitilun LED daban-daban daga 1W zuwa 200W.
Babban ƙarfin wutar lantarki na thermal na iya jure wa AC 6000V kuma ya dace da amfani da wutar lantarki mai ƙarfi na yau da kullun da wutar lantarki mai ƙarfi na HVLED. Yi waɗannan na'urorin hasken wuta na LED mai sauƙi don wuce tsauraran matakan tsaro kamar CE, TUV, UL, da dai sauransu HVLED yana aiki a cikin babban ƙarfin lantarki (VF = 35-280VDC) da ƙananan halin yanzu (IF = 20-60mA), wanda ke rage zafi. ƙarni na katako na katako na HVLED. Ana iya yin manyan radiyo na filastik ta amfani da injin allura na gargajiya ko injunan extrusion.
Da zarar an kafa, samfurin da aka gama yana da babban santsi. Mahimmanci inganta yawan aiki, tare da babban sassauci a cikin ƙirar salo, ƙyale masu zanen kaya suyi cikakken amfani da ra'ayoyin ƙirar su. Babban radiyon fiɗaɗɗen zafin jiki an yi shi da PLA (sitaci masara) polymerization, wanda ke da cikakkiyar lalacewa, saura kyauta, kuma ba shi da gurɓataccen sinadari. Tsarin samarwa ba shi da gurɓataccen ƙarfe mai nauyi, babu najasa, kuma ba shi da iskar gas, yana biyan bukatun muhalli na duniya.
Kwayoyin PLA da ke cikin babban ramin zafin rana na filastik filastik suna cike da ions na ƙarfe na nanoscale, waɗanda za su iya motsawa cikin sauri a yanayin zafi mai zafi kuma suna ƙara kuzarin zafin rana. Ƙarfin ƙarfinsa ya fi na ƙarfe kayan da ke zubar da zafi. Babban thermal conductivity na roba zafi nutse yana da juriya ga babban yanayin zafi kuma baya karya ko lalacewa na tsawon awanni biyar a 150 ℃. Lokacin da aka yi amfani da shi tare da babban ƙarfin linzamin linzamin kwamfuta na yanzu IC drive bayani, baya buƙatar masu ƙarfin lantarki ko manyan inductor girma, yana haɓaka rayuwar hasken LED. Maganin samar da wutar lantarki ne wanda ba keɓantacce ba tare da babban inganci da ƙarancin farashi. Musamman dacewa da aikace-aikacen bututu mai kyalli da fitilun ma'adinai masu ƙarfi.
Ana iya ƙirƙira manyan radiators na zafin zafi tare da fikafikan watsa zafi da yawa, waɗanda za a iya yin sirara sosai don haɓaka faɗaɗa wurin watsar da zafi. Lokacin da fuka-fukan watsar da zafi ke aiki, suna samar da iska ta atomatik don watsa zafi, yana haifar da mafi kyawun tasirin zafi. Zafi na LED beads kai tsaye canjawa wuri zuwa zafi dissipation reshe ta high thermal conductivity roba, da kuma sauri dissipated ta hanyar iska convection da surface radiation.
High thermal conductivity robobi radiators suna da nauyi mai nauyi fiye da aluminum. Girman aluminum shine 2700kg/m3, yayin da yawan filastik shine 1420kg/m3, wanda shine kusan rabin aluminum. Saboda haka, ga masu radiyo na siffar iri ɗaya, nauyin filastik filastik shine kawai 1/2 na aluminum. Kuma sarrafawa yana da sauƙi, kuma za'a iya taƙaita zagayowar gyare-gyare ta 20-50%, wanda kuma yana rage farashin wutar lantarki.