A halin yanzu, babbar matsalar fasaha naLED fitilushi ne zubar da zafi. Rashin zafi mara kyau ya haifar da samar da wutar lantarki ta LED da kuma wutar lantarki ta zama gajeriyar jirgi don ci gaba da haɓaka hasken LED, da kuma dalilin tsufa na tushen hasken LED.

A cikin makircin hasken wuta ta amfani da maɓuɓɓugar haske na LV LED, saboda hasken hasken LED da ke aiki a ƙananan ƙarfin lantarki (VF = 3.2V) da kuma babban halin yanzu (IF = 300-700mA), haɓakar zafi yana da tsanani. Kayan fitilu na al'ada suna da iyakacin sarari, kuma ƙananan wuraren zafi suna da wahala don fitar da zafi da sauri. Duk da ɗaukar tsare-tsaren sanyaya daban-daban, sakamakon bai gamsar ba, ya zama matsala da ba za a iya warware ta baLED fitilu fitilu. Kullum muna ƙoƙari don nemo kayan ɓarkewar zafi mai rahusa waɗanda ke da sauƙin amfani, tare da ingantaccen yanayin zafi.

A halin yanzu, kusan kashi 30 cikin 100 na makamashin wutar lantarki na tushen hasken LED ana canza su zuwa makamashin haske bayan an kunna su, yayin da sauran ke jujjuya su zuwa makamashin thermal. Sabili da haka, fitar da makamashi mai zafi mai yawa da wuri-wuri shine fasaha mai mahimmanci a cikin tsarin ƙirar hasken wutar lantarki na 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 zai iya yawan zafin jiki na rami a cikinLED fitilaa rage yadda ya kamata, ana kiyaye wutar lantarki daga aiki a cikin yanayin zafi mai dorewa, da kuma guje wa tsufa na tushen hasken LED wanda ya haifar da aiki mai zafi na dogon lokaci.

Hanyoyin watsar da zafi don na'urorin hasken LED

Saboda tushen hasken LED ba su da infrared ko ultraviolet radiation, ba su da aikin watsar da zafi. Hanyar watsar da zafi na na'urorin hasken wuta na LED ba za a iya samun su ba ta hanyar ɗumbin zafin rana tare da faranti na LED. Dole ne radiator ya kasance yana da ayyukan tafiyar da zafi, ɗaukar zafi, da hasken zafi.

Duk wani radiator, 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 zafi kawai yana warware hanyar canja wurin zafi, yayin da yanayin zafi shine babban aikin radiator. Ayyukan ɓarkewar zafi an ƙaddara su ne ta wurin ɓarkewar zafi, siffa, da ƙarfin juzu'i na yanayi, yayin da hasken zafi shine kawai aikin taimako.

Gabaɗaya, idan nisa daga tushen zafi zuwa saman radiator ɗin bai wuce 5mm ba, muddin yanayin zafin kayan ya fi 5, ana iya fitar da zafinsa zuwa waje, sauran zafin zafi dole ne a mamaye shi ta hanyar thermal convection. .

Yawancin tushen hasken LED har yanzu suna amfani da ƙananan wutan lantarki (VF=3.2V) da babban halin yanzu (IF=200-700mA) LED beads. Saboda tsananin zafi yayin aiki, dole ne a yi amfani da alluran aluminium tare da haɓakar haɓakar thermal. Yawancin lokaci akwai radiyon aluminium da aka kashe, da radiyon aluminium da aka fitar da su, da kuma radiyon alumini mai hatimi. Die Cast aluminum radiator fasahar ce don matsi na simintin sassa, wanda ya haɗa da zuba ruwa zinc jan ƙarfe aluminum gami a cikin tashar abinci na injin simintin mutuwa, sa'an nan kuma jefa shi cikin ƙirar da aka riga aka ƙera tare da ƙayyadadden tsari.

Radiator da aka yi da aluminum

Kudin samarwa yana iya sarrafawa, kuma ba za a iya sanya reshe na zafi mai zafi ba, yana da wuya a kara girman yankin zafi. Abubuwan da aka saba amfani da su don simintin gyare-gyaren fitilar LED sune ADC10 da ADC12.

Extruded aluminum radiators

Ruwan aluminum yana fitar da siffa ta hanyar tsayayyen tsari, sannan kuma ana sarrafa sandar kuma a yanke shi zuwa siffar da ake so na nutsewar zafi, yana haifar da ƙarin farashin sarrafawa a mataki na gaba. Za'a iya yin reshe mai zafi mai zafi sosai, tare da matsakaicin fadada yankin zafi. Lokacin da reshe na zafi yana aiki, ta atomatik yana samar da iska don watsa zafi, kuma tasirin zafi yana da kyau. Abubuwan da aka saba amfani da su sune AL6061 da AL6063.

Tambarin aluminum radiator

Yana da tsari na stamping da dagawa karfe da aluminum gami faranti ta naushi da mold don haifar da wani kofin siffa radiator. Radiator mai hatimi yana da santsi na ciki da na waje, kuma yankin da ake zubar da zafi yana da iyaka saboda rashin fuka-fuki. Abubuwan da aka saba amfani da su na aluminum gami sune 5052, 6061, da 6063. Abubuwan da aka hatimi suna da ƙarancin inganci da babban amfani da kayan aiki, yana mai da su mafita mai sauƙi.

Ƙwararren wutar lantarki na aluminum gami radiators yana da kyau kuma ya dace da keɓaɓɓen sauya wutar lantarki na yanzu. Don abubuwan da ba a keɓance su ba na yau da kullun na wutar lantarki na yanzu, ya zama dole a ware AC da DC, babban ƙarfin lantarki da ƙarancin wutar lantarki ta hanyar ƙirar ƙirar kayan aikin hasken don wucewa takaddun CE ko UL.

Filastik mai rufi aluminum radiator

Tushen zafin rana ne tare da harsashi na robobi na thermal conductive da kuma ainihin aluminum. Thermal conductive roba da aluminum zafi dissipation core an kafa su a daya tafi a kan allura gyare-gyaren inji, da kuma aluminum zafi dissipation core ana amfani da a matsayin wani sashe da ke buƙatar pre-ingine aiki. Zafin fitilun fitilun LED ana canjawa wuri da sauri zuwa robobi masu ɗaukar zafi ta hanyar ɓacin zafi na aluminium. Filayen zafin zafin jiki yana amfani da fikafikan sa da yawa don samar da iskar zafi mai zafi, kuma yana amfani da samansa don haskaka wasu zafi.

Filastik masu rufaffiyar aluminium radiators gabaɗaya suna amfani da ainihin launuka na roba mai ɗaukar zafi, fari da baki. Baƙar fata filastik filastik mai rufi aluminum radiators suna da mafi kyawun radiation da tasirin zafi. Filastik mai ɗaukar zafi nau'in abu ne na thermoplastic. Ruwan ruwa, yawa, tauri da ƙarfin kayan suna da sauƙin yin allura. Yana da kyakkyawan juriya ga yanayin sanyi da zafi mai zafi da kyakkyawan aikin rufewa. Matsakaicin radiyo na robobi masu ɗaurin zafi ya fi na kayan ƙarfe na yau da kullun

Girman filasta mai ɗaukar zafi yana da ƙasa da 40% ƙasa da na aluminium da aka kashe da yumbu, kuma ga radiators na sifa iri ɗaya, za a iya rage nauyin filastik mai rufi da kusan kashi ɗaya bisa uku; Idan aka kwatanta da duk radiators na aluminum, farashin sarrafawa yana da ƙasa, tsarin sarrafawa yana da gajeren lokaci, kuma zafin aiki yana da ƙasa; Samfurin da aka gama ba shi da rauni; Ana iya amfani da na'urar gyare-gyaren allura na abokin ciniki don bambance-bambancen ƙirar bayyanar da samar da kayan aikin haske. Radiator mai rufi na filastik yana da kyakkyawan aikin rufewa kuma yana da sauƙin wuce ƙa'idodin aminci.

High thermal conductivity filastik radiator

High thermal conductivity radiators filastik sun haɓaka cikin sauri kwanan nan. High thermal conductivity robobi radiators duk filastik radiators, tare da thermal watsin sau da yawa fiye da na yau da kullum robobi, kai 2-9w / mk, da kuma m zafi zafi da kuma radiation damar; 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 ƙarfin lantarki har zuwa 6000V AC, yana mai da shi dacewa don amfani da ba da keɓancewa na yau da kullun na samar da wutar lantarki na yau da kullun da samar da wutar lantarki na yau da kullun tare da HVLED. Yi irin wannan nau'in hasken wutar lantarki mai sauƙi don wuce ƙa'idodin aminci kamar CE, TUV, UL, da dai sauransu HVLED yana aiki a babban ƙarfin lantarki (VF = 35-280VDC) da ƙananan halin yanzu (IF = 20-60mA), wanda ke rage dumama. na HVLED bead farantin. Ana iya amfani da radiators na filastik mai zafi mai zafi tare da gyare-gyaren allura na gargajiya da injunan extrusion.

Da zarar an kafa, samfurin da aka gama yana da babban santsi. Mahimmanci inganta yawan aiki, tare da babban sassauci a ƙirar salo, zai iya yin cikakken amfani da falsafar ƙira ta mai ƙira. Babban radiyon zafin zafi na filastik an yi shi da PLA (sitaci masara) polymerization, cikakken lalacewa, saura kyauta, kuma mara 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 a cikin babban zafin jiki na zafin jiki na filastik filastik suna cike da ions na ƙarfe na nanoscale, wanda zai iya motsawa cikin sauri a yanayin zafi kuma yana ƙara ƙarfin radiation na thermal. Ƙarfin ƙarfinsa ya fi na ƙarfe kayan da ke zubar da zafi. Babban thermal conductivity filastik radiator yana da juriya ga babban zafin jiki, kuma baya karya ko lalacewa na tsawon awanni biyar a 150 ℃. Tare da aikace-aikace na babban ƙarfin lantarki mikakke na yanzu IC drive makirci, shi ba ya bukatar electrolytic capacitor da babban inductance, ƙwarai inganta rayuwar dukan LED fitila. Tsarin samar da wutar lantarki wanda ba keɓantacce yana da babban inganci da ƙarancin farashi. Musamman dacewa da aikace-aikacen bututu mai kyalli da manyan masana'antu da fitilun ma'adinai.

Za'a iya ƙirƙira manyan radiators na zafin zafi tare da madaidaicin filaye masu yaɗa zafi, waɗanda za'a iya yin sirara sosai kuma suna da matsakaicin faɗaɗa wurin watsar da zafi. Lokacin da zafin zafi ya yi aiki, suna samar da iska ta atomatik don yada zafi, yana haifar da sakamako mai kyau na zafi. Zafin fitilun fitilar LED ana canja shi kai tsaye zuwa reshe na watsar zafi ta hanyar filastik mai ƙarfi na thermal conductivity, kuma da sauri ya bazu ta hanyar iskar iska da radiation ta sama.

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 na aluminum. Saboda haka, ga masu radiyo na siffar iri ɗaya, nauyin filastik filastik shine kawai 1/2 na aluminum. Bugu da ƙari, sarrafawa yana da sauƙi, kuma za'a iya rage tsarin sake zagayowar ta 20-50%, wanda kuma yana rage ƙarfin halin farashi.