I kēia manawa, ʻo ka pilikia ʻenehana nui loa okukui LEDhe hoopau wela.ʻO ka hoʻoheheʻe ʻana i ka wela ua alakaʻi i ka mana hoʻokele LED a me ka capacitor electrolytic i lilo i papa pōkole no ka hoʻomohala hou ʻana o nā kukui LED, a me ke kumu o ka ʻelemakule mua o ke kumu kukui LED.

Ma ka hoʻolālā kukui e hoʻohana ana i nā kumu kukui LED LV, ma muli o ke kumu kukui LED e hana ana ma ka haʻahaʻa haʻahaʻa (VF = 3.2V) a me ke kiʻekiʻe o kēia manawa (IF = 300-700mA), ʻoi aku ka paʻakikī o ka hana wela.He liʻiliʻi ka nui o nā kukui kukui maʻamau, a he paʻakikī ke hoʻokuʻu koke aku i ka wela.ʻOiai ʻo ka hoʻohana ʻana i nā papa hoʻoluʻu like ʻole, ʻaʻole i ʻoluʻolu nā hopena, lilo i pilikia hiki ʻole ke hoʻonāNā kukui kukui LED.Ke hoʻoikaika mau nei mākou e ʻimi i nā mea hoʻoheheʻe wela haʻahaʻa i maʻalahi e hoʻohana, me ka conductivity thermal maikaʻi.

I kēia manawa, ma kahi o 30% o ka ikehu uila o nā kumu kukui LED e hoʻololi ʻia i ka ikehu māmā ma hope o ka hoʻohana ʻia ʻana, ʻoiai ke koena e hoʻololi ʻia i ka ikehu wela.No laila, ʻo ka lawe ʻana aku i ka ikehu wela i ka hikiwawe he ʻenehana koʻikoʻi i ka hoʻolālā ʻana o nā kukui kukui LED.Pono e hoʻopau ʻia ka ikehu wela ma o ka hoʻoheheʻe ʻana i ka wela, convection, a me ka radiation.Ma ka lawe ʻana aku i ka wela i ka hikiwawe hiki ke hiki i ka wela o ka lua i loko o kakukui LEDe hōʻemi pono ʻia, e pale ʻia ka lako mana mai ka hana ʻana i kahi ʻano wela wela lōʻihi, a pale ʻia ka ʻelemakule mua o ke kumu kukui LED i hana ʻia e ka hana wela wela.

Nā ʻano hoʻoheheʻe wela no nā kukui kukui LED

No ka loaʻa ʻole o nā kumu kukui LED i infrared a i ʻole ultraviolet radiation, ʻaʻohe o lākou hana hoʻoheheʻe wela.Hiki ke loaʻa ke ala hoʻoheheʻe wela o nā kukui kukui LED ma o nā puʻu wela i hui pū ʻia me nā papa bead LED.Pono e loaʻa i ka radiator nā hana o ka conduction wela, convection wela, a me ka radiation wela.

ʻO kēlā me kēia radiator, me ka hiki ke hoʻololi koke i ka wela mai ke kumu wela a i ka ʻili o ka radiator, hilinaʻi nui i ka convection a me ka radiation e hoʻopau i ka wela i ka lewa.Hoʻoponopono wale ka hoʻoili wela i ke ala o ka hoʻoili wela, ʻoiai ʻo ka convection thermal ka hana nui o ka radiator.Hoʻoholo nui ʻia ka hana hoʻoheheʻe wela e ka wahi hoʻoheheʻe wela, ke ʻano, a me ka ikaika convection kūlohelohe, ʻoiai ʻo ka radiation thermal he hana kōkua wale nō.

ʻO ka ʻōlelo maʻamau, inā ʻoi aku ka lōʻihi mai ke kumu wela a hiki i ka ʻili o ka radiator ma mua o 5mm, ʻoiai ʻoi aku ka nui o ka conductivity thermal o ka mea ma mua o 5, hiki ke hoʻokuʻu ʻia kona wela, a ʻo ke koena wela e pono e hoʻomalu ʻia e ka thermal convection. .

ʻO ka hapa nui o nā kumu kukui LED e hoʻohana mau ana i ka uila haʻahaʻa (VF=3.2V) a me nā pahu LED kiʻekiʻe (IF=200-700mA).Ma muli o ka wela kiʻekiʻe i ka wā o ka hana, pono e hoʻohana ʻia nā alumini alumini me ka conductivity thermal kiʻekiʻe.ʻO ka maʻamau, aia nā radiators alumini die-cast, nā radiator alumini extruded, a me nā radiators alumini i hoʻopaʻa ʻia.ʻO Die cast alumini radiator kahi ʻenehana no ka hoʻoheheʻe ʻana i nā ʻāpana, e pili ana i ka ninini ʻana i ka wai zinc copper alumini alumini i loko o ke awa hānai o ka mīkini hoʻoheheʻe make, a laila hoʻolei ʻia i loko o kahi ʻāpana i hoʻolālā ʻia me ke ʻano i koho mua ʻia.

Die cast alumini radiator

Hiki ke hoʻopaʻa ʻia ke kumukūʻai hana, a ʻaʻole hiki ke hana ʻia ka ʻēheu wela wela, e paʻakikī ke hoʻonui i ka wahi wela.ʻO nā mea make-casting maʻamau no nā radiator kukui LED ʻo ADC10 a me ADC12.

Radiator alumini extruded

Hoʻokuʻu ʻia ka alumini wai i loko o ke ʻano ma o ka mold paʻa, a laila hana ʻia ka pahu a ʻoki ʻia i ke ʻano makemake o ka wela wela, e hopena i nā kumukūʻai hoʻoili kiʻekiʻe ma ka pae hope.Hiki ke hana ʻia ka ʻēheu hoʻoheheʻe wela, me ka hoʻonui nui ʻana o ka wahi wela.Ke hana nei ka ʻēheu hoʻoheheʻe wela, hoʻokumu ʻo ia i ka convection ea e hoʻopuehu i ka wela, a maikaʻi ka hopena wela.ʻO nā mea hoʻohana maʻamau ʻo AL6061 a me AL6063.

Radiator alumini i hoʻopaʻa ʻia

ʻO ia ke kaʻina hana o ka hoʻopaʻa ʻana a me ka hāpai ʻana i nā pā kila a me nā alumini alumini ma o ka punch a me ka ʻōpala e hana ai i kahi radiator kīʻaha.ʻO ka radiator i hoʻopaʻa ʻia he maʻemaʻe i loko a me waho ka pōʻai, a ua kaupalena ʻia ka wahi wela ma muli o ka nele o nā ʻēheu.ʻO nā mea alumini alumini i hoʻohana mauʻia he 5052, 6061, a me 6063. He haʻahaʻa ka maikaʻi a me ka hoʻohanaʻana i nā mea i hoʻopaʻaʻia, e hana ana iā lākou i ka hopena haʻahaʻa.

ʻO ka conductivity thermal o nā radiator alloy alumini he kūpono a kūpono no ka hoʻololi kaʻawale i nā lako mana o kēia manawa.No ka hoʻololi ʻole i ka hoʻololi ʻana i nā lako mana o kēia manawa, pono ia e hoʻokaʻawale i ka AC a me DC, nā lako mana kiʻekiʻe a me nā haʻahaʻa haʻahaʻa ma o ka hoʻolālā hoʻolālā ʻana o nā mea uila i mea e hala ai i ka CE a i ʻole UL palapala.

ʻO ka radiator alumini i uhi ʻia i ka plastik

He wahi wela ia me kahi pūpū plastik conductive thermal a me kahi kumu alumini.Hoʻokumu ʻia ka plastic conductive thermal a me ka alumini heat dissipation core i ka hele hoʻokahi ma kahi mīkini hoʻoheheʻe injection, a ua hoʻohana ʻia ke kumu hoʻoheheʻe wela alumini ma ke ʻano he ʻāpana i hoʻopili ʻia e koi ana i ka hana mua o ka mīkini.Hoʻololi koke ʻia ka wela o nā pahu kukui LED i ka plastic conductive thermal ma o ke kumu hoʻoheheʻe wela alumini.Hoʻohana ʻo Thermal conductive plastic i kona mau ʻēheu lehulehu e hana i ka ea convection heat dissipation, a hoʻohana i kona ʻili e hoʻomālamalama i kekahi o ka wela.

Hoʻohana maʻamau nā radiators alumini i uhi ʻia i nā kala kumu o ka plastic conductive thermal, keʻokeʻo a me ka ʻeleʻele.ʻOi aku ka maikaʻi o ka hoʻoheheʻe ʻana a me ka hopena wela.ʻO ka plastic conductive thermal kahi ʻano mea thermoplastic.He mea maʻalahi ka hoʻoheheʻe ʻia ʻana o ka fluidity, density, paʻakikī a me ka ikaika o ka mea.He kū'ē maikaʻi i nā pōʻai anuanu a me ka wela a me ka hana insulation maikaʻi loa.ʻOi aku ka maikaʻi o ka pālākiō o ka plastic conductive thermal ma mua o nā mea metala maʻamau

ʻO ka nui o ka plastic conductive thermal he 40% haʻahaʻa ma mua o ka alumini die-cast a me nā seramika, a no nā radiators o ke ʻano like, hiki ke hoʻemi ʻia ke kaumaha o ka alumini i uhi ʻia e ka aneane hoʻokahi hapakolu;Ke hoʻohālikelikeʻia me nā radiators alumini a pau, he haʻahaʻa ke kumukūʻai o ka hana, he pōkole ke kaʻina hana, a he haʻahaʻa ka mahana hana;ʻAʻole palupalu ka huahana i hoʻopau ʻia;Hiki ke hoʻohana ʻia ka mīkini hoʻoheheʻe ʻia a ka mea kūʻai aku no ka hoʻolālā hiʻohiʻona ʻokoʻa a me ka hana ʻana i nā kukui kukui.ʻO ka mea hoʻoheheʻe alumini i uhi ʻia i ka plastic he hana insulation maikaʻi a he maʻalahi hoʻi e hele i nā lula palekana.

Kiʻekiʻe thermal conductivity plastic radiator

Ua ulu wikiwiki nā radiators plastic conductivity kiʻekiʻe.ʻO nā radiator plastic conductivity kiʻekiʻe he mau radiator plastik, me ka conductivity thermal he mau ʻumi mau manawa kiʻekiʻe ma mua o nā plastik maʻamau, hiki i ka 2-9w/mk, a me ka maikaʻi o ka lawe ʻana i ka wela a me ka mana radiation;ʻO kahi ʻano hou o ka insulation a me nā mea hoʻopau wela e hiki ke hoʻopili ʻia i nā kukui mana like ʻole, a hiki ke hoʻohana nui ʻia i nā kukui LED like ʻole mai 1W a 200W.

Hiki i ka plastic conductivity thermal kiʻekiʻe ke kū i ka uila a hiki i ka 6000V AC, e kūpono ana no ka hoʻohana ʻana i ka hoʻololi hoʻokaʻawale ʻole i nā lako mana o kēia manawa a me ka laina laina kiʻekiʻe me ka HVLED.E hana maʻalahi kēia ʻano kukui kukui LED e hele i nā lula palekana koʻikoʻi e like me CE, TUV, UL, a me nā mea ʻē aʻe. Hana ʻia ka HVLED i ka uila kiʻekiʻe (VF=35-280VDC) a me ka manawa haʻahaʻa (IF=20-60mA), e hōʻemi ana i ka hoʻomehana. o ka papa pele HVLED.Hiki ke hoʻohana ʻia nā radiator plastic conductivity kiʻekiʻe me nā mīkini hoʻoheheʻe kuʻuna a me nā mīkini extrusion.

I ka wā i hana ʻia ai, ʻoi aku ka maʻalahi o ka huahana i hoʻopau ʻia.ʻO ka hoʻomaikaʻi nui ʻana i ka huahana, me ka hiki ke maʻalahi i ka hoʻolālā ʻana, hiki iā ia ke hoʻohana piha i ka manaʻo hoʻolālā o ka mea hoʻolālā.Hana ʻia ka radiator plastic conductivity kiʻekiʻe me ka PLA (corn starch) polymerization, hiki ke hoʻohaʻahaʻa ʻia, koena manuahi, a me ka pollution kemika.ʻAʻohe pollution metala koʻikoʻi o ke kaʻina hana, ʻaʻohe wai, ʻaʻohe kinoea hoʻopau, hoʻokō i nā koi kaiapuni honua.

ʻO nā molekala PLA i loko o ke kino hoʻoheheʻe wela wela kiʻekiʻe e hoʻopiha piha ʻia me nā ion metala nanoscale, hiki ke neʻe koke i nā wela kiʻekiʻe a hoʻonui i ka ikehu radiation thermal.ʻOi aku kona ola ma mua o nā kino hoʻoheheʻe wela.ʻO ke kiʻekiʻe thermal conductivity plastic radiator ke kūpaʻa i ka wela kiʻekiʻe, ʻaʻole e haki a hoʻololi paha no ʻelima mau hola ma 150 ℃.Me ka hoʻohana ʻana i ka hoʻolālā IC drive kiʻekiʻe-voltage linear i kēia manawa, ʻaʻole pono ia i ka capacitor electrolytic a me ka inductance nui, e hoʻomaikaʻi nui i ke ola o ke kukui LED holoʻokoʻa.He kiʻekiʻe ka maikaʻi a me ke kumu kūʻai haʻahaʻa o ka papahana lako mana ʻole.He kūpono kūpono no ka hoʻohana ʻana i nā paipu fluorescent a me nā kukui ʻoihana kiʻekiʻe a me nā kukui mining.

Hiki ke hoʻolālā ʻia nā radiator plastic conductivity kiʻekiʻe me ka nui o nā fins dissipation wela, hiki ke hana ʻia a lahilahi loa a loaʻa ka hoʻonui kiʻekiʻe o ka wahi wela.I ka hana ʻana o nā fins dissipation wela, hana ʻokoʻa lākou i ka convection ea e hoʻopuehu i ka wela, e hopena i ka hopena wela maikaʻi.Hoʻololi pololei ʻia ka wela o nā kukui kukui LED i ka ʻēheu wela ma o ka plastic conductivity thermal kiʻekiʻe, a hoʻopau koke ʻia ma o ka convection ea a me ka radiation surface.

ʻOi aku ka māmā o nā radiators plastic conductivity kiʻekiʻe ma mua o ka alumini.ʻO ka nui o ka alumini he 2700kg / m3, aʻo ka nui o ka plastic he 1420kg / m3, ʻo ia ka hapalua o ka alumini.No laila, no nā radiators o ke ʻano like, ʻo ke kaumaha o nā radiator plastik he 1/2 wale nō ka alumini.Eia kekahi, maʻalahi ka hana ʻana, a hiki ke hoʻopōkole ʻia kona pōʻaiapili e 20-50%, e hōʻemi ana hoʻi i ka ikaika o nā kumukūʻai.