Kupisa kupisa kwema-high-power LEDs
LED ndeye optoelectronic mudziyo, chete 15% ~ 25% yesimba remagetsi rinozoshandurwa kuita simba rechiedza panguva yekushanda kwayo, uye mamwe emagetsi emagetsi anenge.inoshandurwa kuita simba rekupisa, zvichiita kuti tembiricha ye LED ikwire. Muma LED ane simba guru, kupisa kupisa inyaya huru inoda kuongororwa kwakakosha. Semuyenzaniso, kana photoelectric conversion performance ye10W white LED iri 20% sezvataurwa pamusoro, kureva kuti, 8W yesimba remagetsi inoshandurwa kuita simba rekupisa. Kana pasina matanho ekupisa kupisa anowedzerwa, iyo yepakati tembiricha ye-high-simba LED inosimuka nekukurumidza. Kana iyo TJ yakakosha Kana iyo inokwira ichipfuura yakanyanya kubvumidzwa tembiricha (kazhinji 150 ℃), iyo yakakwirira-simba LED ichakuvadzwa nekuda kwekupisa. Nokudaro, mukugadzirwa kwemarambi e-ED ane simba, inonyanya kukosha basa rekugadzira ndiro dhizaini yekupisa kupisa.
Mukuwedzera, mukupisa kwekupisa kuverengera kwemagetsi emagetsi emagetsi (akadai semagetsi e1C), chero bedzi tembiricha yejoni iri pasi peiyo tembiricha inobvumirwa junction (kazhinji 125 ° C), inokwana. Asi mune yakakwirira-simba LED kupisa disipation dhizaini, iyo TJ VALUE inodiwa yakadzikira zvakanyanya kupfuura 125 ℃. Chikonzero ndechekuti TJ ine simba guru pachiyero chekubvisa chiedza uye hupenyu hwe LED: iyo yakakwirira TJ, inoderedza chiedza chekutora chiedza uye kupfupika kwehupenyu hwe LED.
Heat dissipation nzira ye high power LED.
High-simba maLED anonamira kukosha kukuru pakupisa kupisa mukugadzira dhizaini. Vamwe vagadziri vane simbi yakakura yekupisa kupisa padhi pasi pekufa, iyo inogona kuita kuti kupisa kwefa kupararire kunze kuburikidza nekupisa kupisa pad. High-power LEDs inotengeswa pabhodhi rakadhindwa (PCB). Nzvimbo yepasi pedhi yekupisa inopisa inosungirirwa nemhangura-yakapfeka pamusoro pePCB, uye iyo yakakura yemhangura-clad layer inoshandiswa senzvimbo yekupisa kupisa. Kuti uvandudze kushanda kwekupisa kupisa, kaviri-layer copper-clad PCB inoshandiswa. Ichi ndicho chimwe chezvivakwa zviri nyore zvekupisa kupisa.
Nguva yekutumira: Mar-02-2022
