4 Unyanzvi Mapoinzi ePamusoro-simba LED Kushanda Temperature Kudzora

Iko kushandiswa kwe-high-power LED magetsi emagetsi ari kuramba achiwedzera uye kupenya, uye kupenya kunopenya kwe-high-power LED kunonyatsoenderana neyazvino, uye mberi ikozvino kwe-high-power LED inoshandukawo nekushanduka kwekushisa. Nhasi, ini ndichatora munhu wese kuti adzidze nezve chikonzero che LED knot tembiricha uye LED semiconductor mwenje sosi yekupisa kupisa nzira. Mumakumi emakore achangopfuura ebudiriro, mwenje we LED wakawedzera uye uchikwira, mutengo uri kuramba uchidzikira, uye mavara ave akapfuma uye akapfuma. Izvi zvinogadzira yakakwirira-simba maLED seanoshanda, anochengetedza simba, ane hushamwari kwezvakatipoteredza, uye akachengeteka ekuchenesa sosi munguva pfupi iri kutevera. Zvisinei, dambudziko rekupisa kupisa kwe-high-power LED mwenje ichiri bhodhoro guru rekusimudzira mukushandiswa kwayo mumunda wekuvhenekera. Icho chikonzero chakakosha chekudzora chizvarwa chayo chitsva chekuvhenekesa masosi. Tsanangudzo yekutsvagisa inoratidza kuti kana iyo LED chip ine mwenje unopenya kana knot tembiricha ye LED chip iri 25 C, ipapo kana tembiricha yepfundo yakwira kusvika 60 C, huwandu hwayo hunopenya huchangova 90% chete; apo tembiricha yepfundo inosvika 100 C, inodonha kusvika pa80%. ; 140 C inongova 70%. Zvinogona kuoneka kuti kunatsiridza kupisa kwekudzora kupisa knot tembiricha yakakosha pakuvandudza kwayo kupenya kwayo. Kana dambudziko rekupisa rekupisa kwe-high-power LED mwenje rikasagadziriswa, tembiricha yekushanda yemwenje ye LED inowedzera uye tembiricha yepfundo ichawedzera, izvo zvichaita kuti LED chroma igadziriswe, iyo color rendering index inoderera, tembiricha yeruvara inowedzera. , chiedza chekubudisa chiedza chinoderera, uye hupenyu hwebasa huchapfupiswa. Iyo inopenya inopenya ye-high-power LED inonyatso kuenderana neyazvino. Kana iyo inobuda optical flux ye-high-power LED ichidzorwa, zvakaenzana nekudzora kupenya kwayo kunopenya. Ikozvino yakanaka ye-high-power LEDs inoshandukawo nekushisa. Kana tembiricha yezvakatipoteredza ichipfuura imwe kukosha (isu tinodaidza tembiricha yekuchengetedza), iyo yekumberi ikozvino ye LED ichaderedzwa kamwe kamwe. Panguva ino, kana iripo ichiramba ichiwedzera, ichaita kuti hupenyu hwe LED huderedze. Nokudaro, panguva ino, matanho anowirirana anofanira kuitwa. Kana iyo bubble rambi yekuisa ikozvino uye tembiricha yakatenderedza yakashandurwa, iyo yakakwirira-simba LED yakanaka ikozvino inogona kudzorwa nenguva. Shandisa tembiricha yekubhadhara tekinoroji kuti ugadzirise zvinobuda zvazvino zvinoenderana neambient tembiricha, uye tarisa tembiricha ye LED munguva chaiyo, kuitira kuti iyo yakakwira-simba re LED pane yakanyanya tembiricha mamiriro otomatiki adzikise yazvino. 1. Mamiriro azvino emagetsi emagetsi emagetsi emagetsi emhando yepamusoro "chip-aluminium substrate-iyo-yechitatu-layer chimiro modhi yeradiator" inoshandiswa neakawanda-akasimba-simba magadzirirwo emwenje e LED pamusika wazvino, ndiko kuti, yekutanga kurongedza chip paaluminium substrates. kugadzira iyo LED mwenje sosi module, uye wozoisa iyo mwenje sosi module pane radiator kuitira kuti iwe ugone kugadzira yakakwirira-simba re LED mwenje gadziriso. Parizvino, kushandiswa kwekutanga kwe LED kuratidza mwenje uye zviratidzo kunoshandiswa sehutori hwekutonga kwepamusoro-simba ma LED. Iyi yekupisa manejimendi modhi inogumira kune diki -simba rekushandisa LED. Iyo yepamusoro-simba mwenje we LED wakagadzirirwa neatatu -layer chimiro modhi, kuchine nzvimbo dzakawanda dzisina musoro maererano nehurongwa hwehurongwa, senge tembiricha yakakwira knot, kuderera kwekudziya kwekushisa, kuwedzera kupikisa kupisa pakati pezvivakwa, kuderera kwekupisa kupisa kunyatsoita, zvakawanda zvinosangana nekupisa kupisa Somugumisiro, kupisa kunobudiswa ne chip hakugone kuparadzirwa zvakanaka uye kutumirwa kunze kwenyika, zvichiita kuti kupenya kwe LED kunopera, kuderera kwechiedza, uye hupenyu hupfupi. Nekuda kwekuganhurirwa kwezvinhu zvakawanda zvakaita sechimiro, mutengo, uye mashandisiro emagetsi, yakakwirira-simba LED mwenje inonetsa kutora inoshingaira kupisa disipation mechanism, uye inogona kungotora passive yekupisa kupisa meshini, asi passive kupisa kupisa kune mipimo mikuru; uye ikozvino simba rekushandura simba re LEDs richiri kushanda Kwete yakakwirira, inenge 70% yesimba rekuisa rinogona kuchinjwa kuti rive kupisa, kunyange kana chiedza chinowedzera ne 40%, simba rinoshandurwa kuva kupisa, kureva kuti, zvakaoma kuwedzera chiyero chekupisa kupisa pasina kufunga nezvekupisa kupisa. 2. Hunhu hwemwenje wemwenje we LED masosi akasiyana neachinyakare fluorescent mwenje, incandescent mwenje, uye halogen mwenje. LED semiconductor mwenje mwenje masosi inogadzirwa semiconductor zvinhu uye inosanganisira PN. Electronics-grounded acupoints inogadzira chiedza chinooneka kuburikidza nemubatanidzwa, PN yakanaka kutungamira Tong, reverse yakagurwa, iyo N nzvimbo inoenderana neiyo yakaipa electrode, uye P nzvimbo inoenderana nedanda rakanaka. Iyo LED semiconductor mwenje masosi ane zvakanakira epamusoro mwenje emitting kunyatsoita, pfupi yekupindura nguva, vhoriyamu diki, kuchengetedza simba uye zvimwe zvakanakira. Mukuwedzera, iyo inewo maitiro emagetsi emagetsi echinyakare: 2.1 ine maitiro akafanana ePN semiconductor madivayiri: 1) Iyo yakanaka ikozvino uye yekumberi voltage ndeye yakaipa tembiricha coefficients, iyo inoderedzwa sezvo tembiricha inowedzera; 2) Positive voltage voltage Inofanirwa kudarika imwe chikumbaridzo kugadzira ikozvino; 3) Kana uchidzokera kumashure, hapana ikozvino haishande. 2.2 Pane zvakawanda zvinokonzeresa tembiricha yayo yekushanda. Iwo chaiwo ndeaya anotevera: 1) Kupenya kwe LED uye yakanaka ikozvino inopa humwe hukama hwe curve. Kana tembiricha yepfundo ichipfuura imwe kukosha, kupenya kunopera nekuderera kweiyo ikozvino kune ikozvino; 2 ) Unofanira kudzikamisa tembiricha yepfundo kusvika pazasi peyero yakayerwa 95 C kusvika 125 C; 3) Kana nzvimbo yacho iine lenzi epurasitiki, inoganhurwa nekunyungudika kwekushisa kwechinhu chelens. 3. Nhanganyaya ku LED knot tembiricha 3.1 Chikonzero che LED fever inogadzirwa ne LED fever imhaka yekuti simba rinowedzerwa harisi rose rakashandurwa nenzira yesimba rechiedza, uye mamwe acho akashandurwa kuita simba rekupisa. Parizvino, mwenje wemwenje we LED pamusika ungangoita zana LM/W. Mune mamwe mazwi, inenge 70% yesimba remagetsi rinoparara nenzira yesimba rinopisa. Kazhinji kutaura, pane zvinhu zviviri zvinotungamira mukugadzirwa kwe LED knot tembiricha. Zvakananga sezvinotevera: 1) Mukati quantum kunyatsoshanda. Kana iyo acupuncture uye yemagetsi composite inosanganiswa, haigone kuburitsa mafotoni. Izvi zvinowanzodaidzwa kunzi "ikozvino kuvuza", ndicho chikonzero nei kuwanda kwekurodha kwePN zone kuderedzwa. Iyo voltage yemhepo yakanyudza uye yazvino isimba rekuparadzira rechikamu ichi, ndiko kuti, shanduko kuita simba rinopisa, asi chikamu ichi hachisi chinhu chikuru, nekuti tekinoroji iripo inogona kuita yemukati photon kushanda zvakanaka kweLED pedyo ne90. %. 2) Inenge 30% yekunze quantum kunyatsoshanda. Chimwe chezvikonzero chikuru ndechekuti mafotoni anogadzirwa nemaloadmons haagone kushandurwa kuita kunze kwechip asi achishandurwa kuita kupisa. Kunyange zvazvo marambi e-incandescent ari anenge 15LM/W chete, asi pakupedzisira, anopenya simba remagetsi nenzira yesimba rechiedza. Kunyangwe mazhinji emwaranzi simba iri infrared uye mwenje mhedzisiro yakadzikira, izvi zvinoregererwa kubva mudambudziko rekupisa kupisa. Dambudziko rekupisa kupisa kwe LED rave zvishoma nezvishoma rave kutarisa kwekutariswa kwevanhu. Izvi zvinodaro nekuti hupenyu hwe LED kana kuora kwechiedza hunoenderana zvakananga nekushisa kwayo kweknot. Kana dambudziko rekupisa kupisa risina kubatwa zvakanaka. 3.2 Nzira dzekudzikisa tembiricha ye LED knot Kudzora iyo yakayerwa yekuisa simba; Chimiro chechipiri chekupisa kupisa chimiro; kuderedza kupisa kwekupisa pakati pechipiri kupisa kupisa chimiro uye iyo LED yekuisa interface kusvika padiki; kuderedza tembiricha yakapoteredza; kuderedza LED pachayo kupisa kwekudzivirira. 4. LED semiconductor lighting light source heat dissipation method Kazhinji, radiator inogona kupatsanurwa kuita passive heat dissipation uye inoshingaira kupisa disipation maererano nenzira yekubvisa kupisa. Iyo inonzi passive heat dissipation inoreva kupisa kunogadzirwa neinopisa sosi ye LED mwenje sosi kumhepo kuburikidza nekupisa singi. Kupisa kwaro kupisa kunoenderana nehukuru hwepiritsi yekupisa kupisa, asi izvi zvinopisa zvinopisa hazvina kugutsa. Mumudziyo, kana pakupisa kupisa kwepasi-simba uye kuderera-kupisa, ruzhinji rwezvigadzirwa zvinotora kushandiswa kwekupisa kupisa, kushandiswa kwekushisa kunoshingaira kutora kupisa kubva pakupisa kunyura kuburikidza nemimwe midziyo. Kunyanya kupisa kwekushisa kwepamusoro ndiyo inonyanya kushandiswa kwekupisa kupisa uye ine vhoriyamu shoma. Imwe nzira ndeyekugadzira ma LED zvikamu nekutora "vertical" electrode. Nekuti kune maelectrode esimbi kumusoro uye kuzasi kwezvikamu zve LED, izvi zvinogona kuwana rubatsiro rwakakura padambudziko rekupisa kupisa. Semuenzaniso, iyo GAN substrate inoshandiswa sechinhu. Nekuti iyo GAN substrate ndiyo inoitisa zvinhu, iyo electrode inogona kubatanidzwa zvakananga pasi peiyo substrate kuti iwane mabhenefiti ekukurumidza kupararira uye chiedza, asi nekuda kwekudhura kwezvinhu, nzira iyi zvakare Inodhura zvakanyanya kupfuura mutengo wechinyakare. sapphire substrates, izvo zvichawedzera mutengo wekugadzira wezvikamu.