Kugeza ubu, ikibazo kinini cya tekinike yaItarani ubushyuhe. Gukwirakwiza ubushyuhe buke byatumye LED itanga amashanyarazi hamwe na capacitori ya electrolytike ihinduka umwanya muto wo kurushaho guteza imbere urumuri rwa LED, nimpamvu yo gusaza imburagihe isoko yumucyo.

Muri gahunda yo kumurika ukoresheje LV LED itanga isoko, kubera urumuri rwa LED rukora kuri voltage nkeya (VF = 3.2V) hamwe numuyoboro mwinshi (IF = 300-700mA), kubyara ubushyuhe birakabije. Ibikoresho byo kumurika gakondo bifite umwanya muto, kandi ibyuma bito bito biragoye kohereza vuba ubushyuhe. Nubwo hafashwe ingamba zitandukanye zo gukonjesha, ibisubizo ntibyashimishije, bihinduka ikibazo kidakemuka kuriLED yamurika. Twama duharanira gushakisha ibikoresho bidahenze byo gukwirakwiza ubushyuhe byoroshye gukoresha, hamwe nubushyuhe bwiza bwumuriro.

Kugeza ubu, hafi 30% yingufu zamashanyarazi zituruka kumucyo LED zihinduka ingufu zumucyo nyuma yo gukoreshwa, mugihe izindi zisigaye zihinduka ingufu zumuriro. Kubwibyo, kohereza ingufu nyinshi zumuriro vuba bishoboka ni tekinoroji yingenzi muburyo bwo gushushanya amatara ya LED. Ingufu zumuriro zigomba gukwirakwizwa binyuze mumashanyarazi, convection, nimirasire. Gusa nukwohereza hanze ubushyuhe vuba bishoboka ubushyuhe bwurwobo imbere muriItarabigabanuke neza, amashanyarazi arindwe gukorera ahantu harambye h’ubushyuhe bwo hejuru, kandi gusaza imburagihe isoko yumucyo LED iterwa nigikorwa cyigihe kirekire cyo gukora ubushyuhe birindwa.

Shyushya uburyo bwo gukwirakwiza amatara ya LED

Kuberako urumuri rwa LED rudafite imirasire ya ultraviolet cyangwa ultraviolet, ntabwo rufite imikorere yo gukwirakwiza ubushyuhe. Inzira yo gukwirakwiza ubushyuhe bwa LED yamurika irashobora gukomoka gusa mumashanyarazi ashyizwe hamwe na plaque ya LED. Imirasire igomba kuba ifite imirimo yo gutwara ubushyuhe, guhuza ubushyuhe, hamwe nimirasire yubushyuhe.

Imirasire iyo ari yo yose, usibye kuba ishobora kohereza vuba ubushyuhe buturuka ku bushyuhe bugashyirwa hejuru ya radiatori, ahanini bushingiye kuri convection hamwe nimirasire kugirango ikwirakwize ubushyuhe mu kirere. Gutwara ubushyuhe bikemura gusa inzira yo guhererekanya ubushyuhe, mugihe ubushyuhe bwumuriro nigikorwa nyamukuru cya radiator. Imikorere yo gukwirakwiza ubushyuhe igenwa ahanini nubushuhe bwo gukwirakwiza ubushyuhe, imiterere, nuburemere bwa convection naturel, mugihe imirasire yumuriro nigikorwa cyabafasha gusa.

Muri rusange, niba intera iva kumasoko yubushyuhe kugeza hejuru yumuriro wa radiator iri munsi ya 5mm, mugihe cyose ubushyuhe bwumuriro burenze 5, ubushyuhe bwabwo bushobora koherezwa hanze, kandi ubushyuhe busigaye bugomba kuba bwiganjemo ubushyuhe bwumuriro. .

Amashanyarazi menshi ya LED aracyakoresha voltage nkeya (VF = 3.2V) hamwe numuyoboro mwinshi (IF = 200-700mA) LED. Bitewe nubushyuhe bwinshi mugihe gikora, aluminiyumu ivanze hamwe nubushyuhe bwinshi bugomba gukoreshwa. Mubisanzwe hariho imirasire ya aluminiyumu, ibyuma bya aluminiyumu bisohoka, hamwe na kashe ya aluminiyumu. Imirase ya Die cast aluminium ni tekinoroji yo guteramo ibice, bikubiyemo gusuka amavuta ya zinc y'umuringa wa aluminiyumu mu cyambu cyo kugaburira imashini ipfa, hanyuma ukayijugunya mu cyuma cyateguwe gifite ishusho yabigenewe.

Gupfa kumirasire ya aluminium

Igiciro cy'umusaruro kirashobora kugenzurwa, kandi ibaba ryo gukwirakwiza ubushyuhe ntirishobora kuba rito, bigatuma bigorana cyane aho ubushyuhe bwakwirakwijwe. Ibikoresho bisanzwe bikoreshwa bipfa kumashanyarazi ya LED ni ADC10 na ADC12.

Imashanyarazi ya aluminiyumu

Amazi ya aluminiyumu asohoka mu buryo binyuze mu buryo butajegajega, hanyuma akabari karakozwe hanyuma kakagabanywa mu buryo bwifuzwa bw’ubushyuhe, bikavamo amafaranga menshi yo gutunganya mu cyiciro cya nyuma. Ibaba ryo gukwirakwiza ubushyuhe rishobora gukorwa cyane, hamwe no kwaguka kwinshi kwagace k’ubushyuhe. Iyo ibaba ryo gukwirakwiza ubushyuhe rikora, rihita rikora umwuka wo gukwirakwiza ubushyuhe, kandi ingaruka zo gukwirakwiza ubushyuhe ni nziza. Ibikoresho bisanzwe bikoreshwa ni AL6061 na AL6063.

Ikimenyetso cya aluminiyumu

Nibikorwa byo gushiraho kashe no guterura ibyuma hamwe na aluminiyumu ya aluminiyumu ukoresheje punch na mold kugirango ukore radiator imeze nkigikombe. Imirasire ya kashe ifite umuzenguruko w'imbere n'inyuma, kandi ahantu hagabanijwe ubushyuhe ni buke kubera kubura amababa. Ibikoresho bisanzwe bikoreshwa muri aluminiyumu ni 5052, 6061, na 6063.Ibice byashyizweho kashe bifite ubuziranenge buke kandi bukoreshwa cyane, bigatuma biba igisubizo gito.

Amashanyarazi yumuriro wa aluminium alloy radiatori nibyiza kandi birakwiriye guhinduranya ibintu bihoraho bitanga amashanyarazi. Kubidatandukanya ibintu bihoraho bitanga amashanyarazi, birakenewe gutandukanya AC na DC, amashanyarazi menshi hamwe n’amashanyarazi make binyuze mu gishushanyo mbonera cy’ibikoresho byo kumurika kugira ngo batsinde icyemezo cya CE cyangwa UL.

Imashanyarazi ya aluminiyumu

Nibishishwa byubushyuhe hamwe nubushyuhe bwa plasitike yubushyuhe hamwe na aluminiyumu. Ubushyuhe bwo gukwirakwiza ubushyuhe bwa plasitike na aluminiyumu bikozwe mu buryo bumwe bwo kujya mu mashini itera inshinge, kandi intungamubiri ya aluminiyumu ikoreshwa nk'igice cyashyizwemo gisaba gutunganyirizwa imashini. Ubushyuhe bwamatara ya LED yimurirwa vuba muri plastiki itwara ubushyuhe binyuze mumashanyarazi ya aluminium. Amashanyarazi ya plasitiki yubushyuhe akoresha amababa yayo menshi kugirango agabanye ubushyuhe bwikirere, kandi akoresha ubuso bwayo kugirango amurikire ubushyuhe.

Imirasire ya aluminiyumu ya plastike isanzwe ikoresha amabara yumwimerere ya plastiki yubushyuhe yumuriro, umweru numukara. Imirasire yumukara wa plastiki yumukara wa aluminiyumu ifite imirasire myiza ningaruka zo gukwirakwiza ubushyuhe. Amashanyarazi ya plasitiki yubushyuhe nubwoko bwa termoplastique. Amazi, ubwinshi, ubukana nimbaraga zibikoresho biroroshye guterwa inshinge. Ifite uburyo bwiza bwo guhangana nubukonje nubushyuhe bukonje kandi bukora neza. Coefficente yimishwarara ya plastike itwara ubushyuhe iruta iy'ibikoresho bisanzwe

Ubucucike bwa plasitiki yubushyuhe yumuriro buri munsi ya 40% ugereranije nubwa aluminiyumu na ceramique bipfa, kandi kumirasire yuburyo bumwe, uburemere bwa aluminiyumu yubatswe bwa plastike burashobora kugabanuka hafi kimwe cya gatatu; Ugereranije na radiyo zose za aluminiyumu, igiciro cyo gutunganya ni gito, inzinguzingo yo gutunganya ni ngufi, kandi ubushyuhe bwo gutunganya buri hasi; Ibicuruzwa byarangiye ntabwo byoroshye; Imashini yibikoresho byumukiriya ubwayo irashobora gukoreshwa muburyo butandukanye bwo gushushanya no gukora ibikoresho byo kumurika. Imirasire ya aluminiyumu ya pulasitike ifite imikorere myiza yo gukumira kandi biroroshye gutambutsa amabwiriza yumutekano.

Imashanyarazi yumuriro mwinshi

Imirasire yumuriro mwinshi ya plasitike yateye imbere vuba vuba. Imirasire yumuriro mwinshi wa pulasitike yose ni imishwarara ya pulasitike, hamwe nubushyuhe bwumuriro inshuro nyinshi kurenza plastiki zisanzwe, bigera kuri 2-9w / mk, hamwe nubushyuhe buhebuje nubushobozi bwimirasire; Ubwoko bushya bwo kubika no gukwirakwiza ubushyuhe bushobora gukoreshwa ku matara atandukanye, kandi burashobora gukoreshwa cyane mumatara atandukanye ya LED kuva kuri 1W kugeza 200W.

Amashanyarazi maremare yumuriro arashobora kwihanganira voltage igera kuri 6000V AC, bigatuma ikwiranye no gukoresha amashanyarazi adahoraho kandi akoresha amashanyarazi menshi hamwe na HVLED. Kora ubu bwoko bwamatara ya LED byoroshye gutambutsa amategeko akomeye yumutekano nka CE, TUV, UL, nibindi HVLED ikorera kuri voltage nini (VF = 35-280VDC) hamwe numuyoboro muke (IF = 20-60mA), bigabanya ubushyuhe ya plaque ya HVLED. Imirasire ya pulasitike yumuriro mwinshi irashobora gukoreshwa hamwe nimashini zisanzwe zitera inshinge.

Iyo bimaze gukorwa, ibicuruzwa byarangiye bifite ubworoherane buhanitse. Gutezimbere cyane umusaruro, hamwe nubworoherane muburyo bwo gushushanya, birashobora gukoresha neza filozofiya yubushakashatsi. Imirasire yumuriro mwinshi wa plasitike ikozwe muri polymerisiyasi ya PLA (ibigori byibigori), yangirika rwose, nta bisigara, kandi nta miti ihumanya. Igikorwa cyo kubyaza umusaruro ntigifite umwanda uremereye, nta mwanda, ndetse na gaze yuzuye, byujuje ibisabwa ku isi.

Molekile ya PLA imbere yumuriro mwinshi wo gukwirakwiza ubushyuhe bwa plastike yuzuye yuzuyemo ibyuma bya nanoscale ion, bishobora kugenda vuba mubushyuhe bwinshi kandi byongera ingufu zumuriro. Ubuzima bwabwo buruta ubw'ibikoresho byo gukwirakwiza ubushyuhe bw'ibyuma. Imirasire yumuriro mwinshi ya plastike irwanya ubushyuhe bwinshi, kandi ntisenyuka cyangwa ngo ihindure amasaha atanu kuri 150 ℃. Hamwe nogukoresha amashanyarazi menshi yumurongo uhoraho wa gahunda ya disiki ya IC, ntabwo ikenera capacitor ya electrolytike na inductance nini, bizamura cyane ubuzima bwitara rya LED. Gahunda yo gutanga amashanyarazi idashyizwe hamwe ifite imikorere ihanitse kandi igiciro gito. By'umwihariko bikwiriye gukoreshwa mu miyoboro ya fluorescent n'amatara maremare yinganda n'amatara.

Imirasire ya plasitike yumuriro mwinshi irashobora gushushanywa hamwe nudusimba twinshi two gukwirakwiza ubushyuhe, bushobora gukorwa cyane kandi bukaba bwagutse cyane ahantu hashobora gukwirakwizwa. Iyo ubushyuhe bwo gukwirakwiza ubushyuhe bukora, bahita bakora ikirere kugirango bakwirakwize ubushyuhe, bikavamo ingaruka nziza zo gukwirakwiza. Ubushyuhe bw'amatara ya LED yimurirwa mu ibaba ryogukwirakwiza ubushyuhe binyuze muri plastiki yumuriro mwinshi, kandi igahita ikwirakwira binyuze mu kirere no mu mirasire y’ubutaka.

Imirasire ya plasitike yumuriro mwinshi ifite ubucucike bworoshye kuruta aluminium. Ubucucike bwa aluminium ni 2700kg / m3, mu gihe ubwinshi bwa plastike ari 1420kg / m3, bingana na kimwe cya kabiri cya aluminium. Kubwibyo, kumirasire yuburyo bumwe, uburemere bwimirasire ya plastike ni 1/2 gusa cya aluminium. Byongeye kandi, gutunganya biroroshye, kandi uburyo bwo kubikora burashobora kugabanywa na 20-50%, nabyo bigabanya imbaraga zo gutwara ibiciro.