Chinetso chikuru chehunyanzvi chezvigadziriso zvemwenje zve LED parizvino kupisa kupisa. Kushata kwekupisa kupisa kwakatungamira kune LED mutyairi magetsi uye electrolytic capacitors kuve kukanganisa kwekuwedzera kusimudzira kwemwenje we LED zvigadziriso, uye chikonzero chekuchembera kusati kwasvika kwe LED mwenje masosi.
Muchirongwa chekuvhenekesa uchishandisa LV LED mwenje sosi, nekuda kwekushanda kwenzvimbo yemwenje we LED pa low voltage (VF = 3.2V) uye yakakwira ikozvino (IF = 300-700mA), inoburitsa kupisa kwakawanda. Zvigadziriso zvemwenje zvechinyakare zvine nzvimbo shoma, uye zvinonetsa kuti masingi enzvimbo madiki ekupisa akurumidze kubvisa kupisa. Pasinei nekushandisa zvakasiyana-siyana zvinopisa kupisa, mhedzisiro yacho haina kugutsa uye yakava dambudziko risingagadziriswe remwenje we LED. Isu tinogara tichiedza kutsvaga zviri nyore uye zviri nyore-kushandisa-kupisa kupisa zvinhu zvine yakanaka yekupisa conductivity uye yakaderera mutengo.
Parizvino, kana magetsi e LED achibatidzwa, inenge 30% yesimba remagetsi rinoshandurwa kuita simba rechiedza, uye mamwe ose anoshandurwa kuva simba rekupisa. Naizvozvo, kutumira kunze simba rakawanda rekupisa nekukasira ndiyo tekinoroji yakakosha mukugadzirwa kwemarambi e LED. Simba rekupisa rinoda kuparadzirwa kuburikidza nekupisa, convection, uye mwaranzi. Chete nekutumira kunze kunze kupisa nekukurumidza sezvinobvira kunogona kuderedzwa tembiricha yemukati mukati memwenje we LED, iyo magetsi inodzivirirwa kubva pakushanda munzvimbo yakarebesa yekupisa, uye kuchembera kusati kwasvika kwechiedza che LED chinokonzerwa nekureba kwenguva refu. -tembiricha kushanda kudziviswa.

Iyo yekupisa kupisa nzira yemwenje ye LED zvigadziriso
Nekuti magetsi e LED iwo pachawo haana infrared kana ultraviolet mwaranzi, haana mwaranzi kupisa kupisa basa. Iyo nzira yekupisa yekupisa yezvigadziriso zvemwenje zve LED inogona kutumirwa kunze kwenyika kuburikidza nekupisa kunyura kwakanyatso kusanganiswa ne LED bead board. Radiator inofanirwa kunge iine mabasa ekupisa conduction, kupisa convection, uye kupisa mwaranzi.
Chero radiator, kunze kwekukwanisa kukurumidza kuendesa kupisa kubva kune inopisa sosi kuenda pamusoro peiyo radiator, inonyanya kutsamira pane convection uye nemwaranzi kuti ibvise kupisa mumhepo. Thermal conduction chete inogadzirisa nzira yekupisa kupisa, nepo thermal convection ndiro basa guru rekunyura kwekupisa. Kupisa kwekupisa kunonyanya kutariswa nenzvimbo yekupisa kupisa, chimiro, uye kusimba kwechisikigo, uye nemwaranzi yekupisa ingori basa rekubatsira.
Kazhinji kutaura, kana chinhambwe kubva kunzvimbo yekupisa kusvika pamusoro pechidzitiro chekupisa chiri pasi pe5mm, chero bedzi thermal conductivity yechinhu ichikura kupfuura 5, kupisa kwayo kunogona kutumirwa kunze kwenyika, uye kusara kwekupisa kunofanirwa. ive inotongwa neiyo thermal convection.
Mazhinji magetsi emwenje e LED achiri kushandisa mabhedhi e LED ane low voltage (VF = 3.2V) uye yakakwira ikozvino (IF=200-700mA). Nekuda kwekupisa kwakanyanya kunoitwa panguva yekushanda, aruminiyamu alloys ane yakakwira thermal conductivity inofanirwa kushandiswa. Kune kazhinji kacho die cast aluminium radiators, extruded aluminium radiators, uye akadhindwa aruminiyamu radiators. Die cast aluminium radiator tekinoroji yekukandira zvikamu, umo mvura zinc copper aluminium alloy inodururwa muchiteshi chekudyisa chemuchina wekufa-casting, yobva yafa yakakandwa nemuchina wekufa-casting kugadzira radiator ine chimiro chakatsanangurwa. neyakagadzirwa mold.

Die cast aluminium radiator
Mari yekugadzira inodzoreka, asi mapapiro ekupisa kupisa haagone kuitwa akaonda, zvichiita kuti zvive zvakaoma kuwedzera nzvimbo yekupisa kupisa. Izvo zvinowanzo shandiswa die-casting zvinhu zve LED mwenje kupisa sinks ndeye ADC10 uye ADC12.

Yakadzvanywa aluminium radiator
Kusvina aruminiyamu yemvura kuita chimiro kuburikidza neyakagadzika mold, uyezve kucheka bhara muchimiro chaidiwa chedhishi yekupisa kuburikidza nemachining, zvinounza mutengo wepamusoro wekugadzirisa mumatanho anotevera. Mapapiro ekupisa kupisa anogona kuitwa akaonda kwazvo, nekuwedzera kwekuwedzera kwenzvimbo yekupisa kupisa. Kana iwo mapapiro ekupisa kupisa achishanda, anongogadzira mhepo convection kuti iparadzire kupisa, uye kupisa kwekupisa kwakanaka. Zvinhu zvinowanzo shandiswa ndeye AL6061 uye AL6063.

Yakadhindwa aluminium radiator
Inowanikwa nekutsika nekudhonza simbi uye aluminium alloy mahwendefa ane punching muchina uye molds kuti igadzire mukombe wakaumbwa marayadhiya. Iwo akadhindwa ma radiator ane akatsetseka mukati nekunze, asi mashoma kupisa kupisa nzvimbo nekuda kwekushaikwa kwemapapiro. Iyo inowanzoshandiswa aruminiyamu alloy zvinhu 5052, 6061, uye 6063. Zvidhindo zvikamu zvine hutsika hwakaderera uye kushandiswa kwezvinhu zvakakwirira, zvichiita kuti ive mhinduro inodhura.
Iyo yekupisa conductivity yealuminium alloy radiators yakanaka uye yakakodzera kune yakasarudzika chinja inogara iripo magetsi magetsi. Kune asiri ega ega switch anogara aripo emagetsi emagetsi, zvinodikanwa kupatsanura AC neDC, yakakwira uye yakaderera voltage magetsi kuburikidza nedhizaini dhizaini yezvigadziriso zvemwenje kuti upfuure CE kana UL certification.

Plastic yakavharwa aluminium radiator
Iyo singi yekupisa ine kupisa-kuitisa epurasitiki shell uye aruminiyamu musimboti. Thermal conductive plastic uye aluminium heat dissipation core inoumbwa mune imwe kuenda pamushini wekuumba jekiseni, uye iyo aluminium inopisa kupisa musimboti inoshandiswa sechikamu chakamisikidzwa, chinoda kugadziridzwa kwemuchina nguva isati yasvika. Kupisa kwe LED bead kunokurumidza kuitiswa kune thermal conductive plastiki kuburikidza nealuminium kupisa dissipation musimboti. Ipurasitiki inopisa inoshandisa mapapiro ayo akawanda kugadzira kupisa kwemhepo inofambisa kupisa uye inopenya kumwe kupisa pamusoro payo.
Plastiki yakaputirwa aluminium radiators inowanzo shandisa iwo epakutanga mavara eanopisa conductive epurasitiki, chena uye dema. Plastiki nhema yakaputirwa aruminiyamu radiators ane nani nemwaranzi kupisa kupisa mhedzisiro. Thermal conductive plastiki imhando ye thermoplastic zvinhu zviri nyore kuumba kuburikidza nekuumbwa kwejekiseni nekuda kwekuyerera kwayo, density, kuoma, uye simba. Iyo ine yakanakisa kuramba kune thermal shock cycles uye yakanakisa insulation performance. Thermal conductive mapurasitiki ane yakakwira mwaranzi coefficient pane zvakajairika simbi zvinhu.
Density ye thermally conductive plastic yakaderera ne40% pane iyo die cast aluminium uye ceramics. Kune ma radiator echimiro chakafanana, uremu hwepurasitiki yakavharwa aluminium inogona kuderedzwa neinenge chikamu chimwe muzvitatu; Kana ichienzaniswa nearuminiyamu radiators ese, ine mutengo wakaderera wekugadzirisa, mapfupi ekugadzirisa matenderedzwa, uye yakadzika yekupisa tembiricha; Chigadzirwa chakapedzwa hachina kusimba; Vatengi vanogona kupa yavo majekiseni ekuumba majekiseni ekusiyanisa dhizaini dhizaini uye kugadzirwa kwezvigadziriso zvemwenje. Iyo plastiki yakaputirwa aluminium radiator ine yakanaka yekuisa mashandiro uye iri nyore kupfuudza mirairo yekuchengetedza.

High thermal conductivity epurasitiki radiator
High thermal conductivity epurasitiki radiators anga achikura nekukurumidza munguva pfupi yapfuura. High thermal conductivity epurasitiki radiator imhando yeese mapurasitiki radiator ane thermal conductivity kakapetwa kakapetwa kakapetwa kupfuura mapurasitiki akajairwa, anosvika 2-9w/mk, uye ane yakanakisa yekupisa yekupisa uye kugona kwemwaranzi; Rudzi rutsva rwekudzivirira uye kupisa kupisa zvinhu zvinogona kuiswa kune akasiyana mwenje magetsi, uye inogona kushandiswa zvakanyanya mumhando dzakasiyana dzemwenje dze LED kubva pa1W kusvika 200W.
Iyo yakakwira yekupisa yekupisa yepurasitiki inogona kumira AC 6000V uye yakakodzera kushandisa isiri yega switch inogadzika magetsi emagetsi uye yakakwira voltage linear inogara iripo magetsi eHVLED. Ita kuti zvigadziriso zvemwenje zve LED izvi zvive nyore kupfuudza kuongororwa kwekuchengetedza kwakasimba seEC, TUV, UL, nezvimwewo. HVLED inoshanda mumhepo yakakwirira (VF=35-280VDC) uye yakaderera ikozvino (IF=20-60mA) nyika, iyo inoderedza kupisa. kugadzirwa kweHVLED bead board. High thermal conductivity epurasitiki radiators anogona kugadzirwa uchishandisa yechinyakare jekiseni molding kana extrusion michina.
Kana yangoumbwa, chigadzirwa chakapedzwa chine hunyoro hwepamusoro. Zvinonyanya kuvandudza kugadzirwa, nekuchinjika kwepamusoro mukugadzira dhizaini, zvichibvumira vagadziri kuti vashandise zvizere pfungwa dzavo dzekugadzira. Iyo yakakwira yekupisa yekupisa yepurasitiki radiator inogadzirwa nePLA (chibage starch) polymerization, iyo inoshatisa zvizere, yakasara isina, uye isina kusvibiswa kwemakemikari. Iyo nzira yekugadzira haina kusvibiswa kwesimbi inorema, haina tsvina, uye haina gasi rekubuda, rinosangana nezvinodiwa zvepasi rose.
Mamorekuru ePLA ari mukati mekupisa kwepurasitiki kunyura kwepurasitiki kunyura kwakazara nenanoscale metal ions, iyo inogona kufamba nekukurumidza pakupisa kwakanyanya uye kuwedzera kupisa kwemwaranzi simba. Hunhu hwayo hwakakwirira kune hwesimbi zvinhu zvinopisa kupisa mitumbi. Iyo yakakwira yekupisa yekupisa yepurasitiki sink inoshingirira kune yakanyanya tembiricha uye haityoke kana kukanganisa kwemaawa mashanu pa150 ℃. Kana yaiswa ne-high-voltage linear inogara iripo IC drive solution, haidi electrolytic capacitors kana mahombe vhoriyamu inductors, inovandudza zvakanyanya hupenyu hwemwenje we LED. Iyo isiri yega yega magetsi ekupa mhinduro ine hunyanzvi hwepamusoro uye mutengo wakaderera. Kunyanya kukodzera kushandiswa kwefluorescent tubes uye high-power mining marambi.
High thermal conductivity plastic radiators inogona kugadzirwa nemapapiro akawanda chaiwo ekupisa kupisa, ayo anogona kuitwa akaonda kwazvo kuti awedzere kuwedzera kwenzvimbo yekupisa kupisa. Kana iwo mapapiro ekupisa kupisa achishanda, anongogadzira mhepo convection kuti iparadzire kupisa, zvichikonzera kupisa kurinani kuita. Kupisa kwe LED bead kunotamirwa zvakananga kubapiro rekupisa kupisa kuburikidza nepurasitiki yakakwira yekupisa conductivity, uye nekukurumidza kubviswa kuburikidza nemhepo convection uye nemwaranzi yepasi.
High thermal conductivity epurasitiki radiators ane kureruka density kupfuura aruminiyamu. Density yealuminium i2700kg/m3, ukuwo density yepurasitiki iri 1420kg/m3, inova inenge hafu yealuminium. Naizvozvo, kune ma radiator echimiro chimwe chete, uremu hwemapurasitiki epurasitiki ndeye 1/2 chete yealuminium. Uye kugadzirisa kuri nyore, uye kutenderera kwayo kwekugadzira kunogona kupfupiswa ne20-50%, iyo inoderedzawo mutengo wesimba.