Aluminum kupisa singi nokuda LEDs

Zvinozivikanwa kuti ya LEDs kunoenderana kunaka zvinhu kushandiswa semiconductor mudziyo uye reshiyo kuitika kuti uwandu kupisa kunotangira. Kupa chiedza zvishoma zvinoderedza, uye pashure ichava hafu yepakutanga kukosha, akatungamirira upenyu uchatanga kusviba. Ya anoita mano zvingava maawa anosvika 100 000, asi chete ezvinhu kuti haisi kukanganiswa kumusoro tembiricha.

Nokuti kutonhora namano kuti pave kupisa, anoshandiswa redhiyo zvemagetsi mudziyo akadai kupisa singi nokuda LEDs. Heat yabviswa kubva aggregates mumhepo zvinoitwa nzira mbiri.

nzira yokutanga kutonhora ari LEDs

Nzira iyi yakavakirwa chafariz nemwaranzi mafungu mumhepo, kana nokupisa convection. Nzira ndohwaJehovha muchikwata che pusa kutonhora. Part simba kusunungurwa kuna chadenga michini inobwinya zvinoyerera uye chikamu anoenda kuburikidza kuparadzirwa huru mhepo kubva redhiyeta.

Pakati dzokubvisa akatungamirira pusa kutonhora zano chinonyanya nevanhu. Haina kutenderera zvigadziriswe uye haatarisiri nguva nenguva yokuzvigadzirisa.

Zvazvakashatira ino zvinosanganisira kudiwa hwokugadza guru kupisa singi. kurema kwayo yakakura zvakakwana, uye mutengo nokuti kumusoro.

nzira yechipiri

Akamuka zita kugadzikana convection. Nzira iyi ndiyo kushingaira. ino zvinoshanda mafeni kana zvimwe zvemaziso namano kuti anogona kusika mhepo chokubuda.

Active kutonhora nzira ine LEVEL maitiro kupfuura pusa nzira. Zvisinei, yaivhuvhuta mamiriro ekunze, kuvapo yakawanda muguruva, kunyanya pakachena mhepo, usarega kuisa zvirongwa zvakafanana kumwewo.

Kugadzirwa radiators

mitemo anotevera vanofanira kutungamirira pakusarudza zvinhu:

• chafariz conductivity zvazvingava Hachifaniri asingasviki 5-10 watts or. Zvinhu hwakaderera haigoni kubudisa zvose kupisa kuti anotora mhepo.
• The pamwero chafariz conductivity pamusoro 10 W kubva waishandiswa nemaonero achava kunyanyisa, izvo zvaizoita kunotoreva zvisingakoshi dzibvise mari pasina kuwedzera mudziyo kunyatsoshanda.

Nokuti Kugadzirwa radiators zvinowa- kushandiswa aruminiyamu, mhangura uye Ceramics. Release mano kwakavakirwa mapurasitiki, kupisa-achinyangarika.

aruminiyamu Fixtures

Redhiyeta nokuti LEDs, zvinonyanya mukurumbira, chakagadzirwa aruminiyamu. The chikuru zvakaipira mudziyo ndechokuti inoumbwa munhevedzano akaturikidzana. Anotonzi rinoita zvinopfuura chafariz nemishonga, izvo zvinogona kukundwa okuwedzera nokupisa anoitisa zvinhu: zvinhu pamwe guruu, insulating ndiro, zvokuvakisa akazadza mhepo maburi.

Aluminum kupisa singi nokuda akatungamirira kushandiswa kakawanda kupfuura vamwe. Zviri asingatani zvenzara uye kuzvigona nokupisa nounzenza.

Nokuti kutonhora vachishingaira pamwero kazhinji zvinoda sandara Pepa aruminiyamu ane saizi kwete yakakura kupfuura kukura chomwenje. Sheet anotakurwa nokuda feni.

A dzakakodzera tembiricha kuti nokushanda akatungamirira anonzi nechiidzo 65 ° C. Zvisinei, rezasi tembiricha, dzakanga dziri kunyatsoshanda ari mudziyo wayo hwose hwakareba. The optimum tembiricha yacho redhiyeta pamusoro anoonekwa nechiidzo 45 ° C, asi kwete yepamusoro. For diode 1 W simba zvakakodzera kuisa pamusoro redhiyeta kuti aruminiyamu. Nharaunda redhiyeta ndiyo 30-35 masendimita ^2. Redhiyeta 3 W LEDs zvinoda kuwedzera munzvimbo zvichabviswa kaviri uye 60-70 ^cm2.

Sezvo redhiyeta ndiyo yakanakisisa akakodzera mudziyo rakagadzirwa aruminiyamu sendarama nyore uye nekaupenyu chipa. Kana pakuverenga mudziyo kuti akatungamirira arrays vatora inorwara masendimita 35 kusvika 1 W.

Nokuti kutonhora vachishingaira redhiyeta unhu nharaunda zvingava zvishoma pane 10 nguva. Ari akatungamirira 1 W zvakakwana 3-3.5 masendimita ^2.

Somuenzaniso, funga kupisa singi "nyeredzi" nokuda LEDs. The midziyo yaishandiswa chokubvisa kupisa kubva zvakatungamirira uye chinhu chiduku redhiyeta. Its hwaro ndiro chakagadzirwa rinoumba zvinhu - aruminiyamu rinoshandiswa, kuti zvaikosha kupisa kubva akatungamirira uye mhangura foil pamwe chokuedza Mapedhi. The redhiyeta akatasva zvakaita dzakakwirira simba (3.1 W).

Radiators nemhangura

Mano ane mhangura ndiro. Copper ane wakakwirira chafariz conductivity kupfuura aruminiyamu. usanganidzo yaro zano vanonzi.

Asi vose, chicherwa aruminiyamu muduku panyaya uremu uye unongotaura. Copper haisi nyore kufurirwa simbi. Mukugadzira mudziyo mhangura kudzvanya nzira iri mari. A nokuveza machine inosiya yakawanda zvinodhura zvinhu tsvina.

Radiators dzakagadzirwa Ceramics

Kunobudirira womuenzaniso chinhu zvedongo kupisa singi nokuda akatungamirira, iro rakatanga vakashandisa nzira, kuitisa ano. Zvakananga kwavari uye kune podpayka LEDs. zvakagadzirwa ichi anosiya kupisa iri kaviri sezvo ichienzaniswa mano aruminiyamu.

Radiators dzakagadzirwa epurasitiki

Heat achinyangarika mudziyo iri epurasitiki zvinhu mhindu. Uye ichi zvinonzwisisika, sezvo mari iyi iri nechepazasi aruminiyamu mitengo uye yakakwirira muzvigadzirwa chechetere.

Asi chafariz conductivity ari pamwero haana kupfuura zvavo mapurasitiki 0.1-0.2 W / (m · K). Possible kuita zvinogamuchirika chakarurama uchishandisa fillers siyana. Kana kutsiva aruminiyamu redhiyeta mudziyo kwakavakirwa mapurasitiki (wakaenzana saizi), tembiricha pamwero ari Inlet tembiricha inokwira nokuda 4-5%. Zvichienderana nokuti chafariz conductivity ose epurasitiki diffuser dererei pane kuti aruminiyamu (8 W / (m · K) pamusoro 220-180 W / (m · K)), tingati: mapurasitiki unogona kukwikwidzana aruminiyamu.

Design zviri radiators

Vakawanda vanonetseka: chii akatungamirira kupisa singi kuti nani?

Kune mapoka maviri okunatsiridza:

• tsono;
• ribbed.

Somuenzaniso, kuti 10W akatungamirira redhiyeta raimiririra ribbed akatungamirira-mudziyo.

Chokutanga mhando unowanzoshandiswa dzinongoitika kutonhora nzira LEDs, uye wechipiri - kumanikidza. In Pakuurayiwa kukura fanana pusa tsono gungano 70% kupfuura kunyatsoshanda ari ribbed mhando.

Radiators nokuti mukuru-simba LEDs vane acicular yakarongeka. Ivo zvakagadzirirwa mukuru-simba LEDs, asi izvi hazvirevi kuti ribbed mahwendefa yakavakirwa mano ndivo chete akakodzera kushanda pamwe feni. Zvichienderana geometric parameters uye vari kushandiswa kutonhora zviri pusa hunhu.

Redhiyeta chero zvakatungamirira configuration angava sikweya, rectangular kana tenderera chimiro.

How kuverenga nzvimbo imwe redhiyeta. Nzira chokuwana zviyero yakarurama mudziyo parameters

Panyaya iyi, nokuda dzinoverengeka zvinokosha:

• ambient parameters;
• akapararira chechetere nzvimbo;
• nadzurudzo of redhiyeta;
• Kunyanya zvinhu zvisina mudziyo anoitwa teploobmenivayuschee.

Asi zvose mashoko aya zvakakodzera kuti mugadziri, izvo kuva nokupisa singi.

The hwaro redhiyo amateurs, sezvinoita mutemo, anotorwa kushandisa kupisa rinosakara. All kuti kunodiwa - ndiwo zivo kunonyanyisa simba nounzenza kupisa Exchange mudziyo.

nzira yokutanga

Area kukarukureta rinoitwa maererano nzira F = munhu X CX (T1 - T2), apo F ndiye kupisa zvinoyerera, S - redhiyeta pamusoro nharaunda (Verenga munzvimbo dzose mbabvu kana tsono uye substrate sq.m.), T1 - chokukomborerwa tembiricha zvakatipoteredza, kuti ikaramba ichiserera kupisa uye T2 - tembiricha of kupopotedzana pamusoro.

Kubudisa count nzvimbo, mumwe anofanira kuteerera chokwadi chokuti zenze kana ndiro rine hukawanika zviviri Kupisa nounzenza.

Kukarukureta of tsono pamusoro unoitwa achitevedza sekamufarenzi (π X D), kane rokuti yakakwirira.

Nokuti hukawanika kuti vasina pasi makorari, kupisa kutapurirana coefficient chinhu indekisi zvakaenzana 8.6 W / (m ² · K).

nzira wechipiri kuti pakuverenga

Pane imwe nzira yakareruka, Kotra vakawana nokuongorora.

S = [22 - (M x 1.5)] X W, apo S ndiko chokukomborerwa kupisa exchanger nharaunda, W - Achipfupikisa simba (W), uye M - tsva simba akatungamirira.

For ribbed redhiyeta mhando, akagadzirwa aruminiyamu anotsanangura, unogona kushandisa nemashoko mainjiniya kubva Taiwan. Ava havana zvakarurama, sezvinoratidzwa neeSultan dzakakwirira indekisi yacho run. Mukuwedzera, tsanangudzo yakakodzera okunze muTaiwan. Vanogona kubva chete rokutanga Masvomhu.

Magadzirirwo redhiyeta nemaoko ako?

Radio amateurs kashoma kutora gadzira teplootvodchikov namaoko avo, nekuti chinhu ichi kunoda rinokosha. Pashure pezvose, chigadzirwa ichi ane mwoyo kwenguva refu basa akatungamirira. Asi ndizvo zvinoitika kuti vanatenzi akareva kugadzirwa kupisa exchanger yacho iripo zvishandiso.

Tsanangudzo yokutanga ndiyo

Rakabatana patani. Chinonzi denderedzwa riri kutema kubva aruminiyamu. Kune mavanga. The zvichiguma sectors hwakakungwa zvishoma. Zvinoguma muudzame yakafanana iri feni vhiri. Namasanhu mano vari akapeta barbels mana kuti vanoshumira fastening mudziyo. The akatungamirira chinogona kubatanidzwa pachishandiswa screws uye chafariz namatidza.

Ipfungwa 2

Redhiyeta nokuti LEDs nemaoko avo anogona kuitwa kubva chaenga aruminiyamu nenyere ane rectangular muchinjikwa-chikamu.

Zvaida zvinhu:

• Saizi 30h15h1,5 mm chubhu;
• womupepanhau pesin ane dhayamita iri 16 mm;
• chafariz namira;
• Thermal namatidza QFT-8;
• W-zvakaumbwa Profile 265;
• kuzvidzora tapping screws.

To optimize kokorodzano akachera makomba matatu ane dhayamita iri 8 mm, uye Profile - 3.8 mm makomba dhayamita kuti fastening achishandisa screws.

LEDs vari waakaita kuti chubhu - chikuru chikamu redhiyeta - kushandisa chafariz namira. Munzvimbo umo hwakabatana redhiyeta zvikamu, paiva nokupisa-KTP namatidza 8.

Ibva waenderera akakokera mamiriro uchishandisa screws kuzvidzora tapping kuti achizviendesa puck.

Nzira dzekufambisa vanomhanyisa kuti zvakakonzera kupisa singi

LEDs vasiyana mudziyo achishandisa nzira mbiri:

• zvemaziso;
• Bonding.

Akatungamirira chafariz namira guruu. Kuti izvi zviitike, simbi pamusoro rinoshandisirwa zvishoma guruu akabva ndokuriisa akatungamirira. Kuti vawane kubatana zvakanaka akunga akatungamirira mutoro kusvikira yakaoma namira. Asi vemifananidzo vakawanda vanosarudza kushandisa zvokuimba nzira.

Pari zvinogadzirwa nemapuranga chinokosha kuburikidza paunogona mu pfupi inobvira nguva kuti kugadzwa diode. Vamwe mhando zvinosanganisira zvimwe zviteshi kuti yechipiri optics. Installation iri nyore chaizvo. Kuna redhiyeta akatasva akatungamirira, ipapo - emadziro kuti wanamatira zvitsigiro vachishandisa screws kuzvipira tapping.

mhedziso

The redhiyeta nokuti kutonhora yepamusoro LEDs vakava kiyi mudziyo hurefu. Saka, kusarudza mudziyo vanofanira kungwarira zvikuru. Zviri nani kushandisa pakushandisa chirimwa kupisa exchangers. Ivo zvinowanikwa redhiyo uye Electronics zvitoro. midziyo mari yakakwirira, asi kugadzwa akatungamirira uye pamusoro pavo nyore, uye kudzivirirwa siyana yepamusoro uye rakavimbika.