Ntawm technologyElectronics

Lub diode teeb - lub neej yav tom ntej teeb pom kev zoo?

Lub teeb diodes - ib tug tsawg-voltage electroluminescent pab kiag li lawm uas emit teeb thaum electrons dhau los ntawm lub elementary pn-hlws ris. Lub teeb emission tshwm sim thaum lub txhaj tshuaj los ntawm cov pn-hlws ris ntawm cov haiv neeg tsawg muaj. Lub diodes yuav tsav DC, AC thiab mem tes voltage.

Lub diode teeb muaj xws li ib tug anode thiab ib tug cathode. Ib anode rau attracting electrons, uas allocates ib cathode, lub anode yog yeej ib txwm thov zoo voltage. Los ntawm kev thov ib tug hluav taws xob tam sim no mus rau lub teeb neeg ntawm lub hauv anode thiab cov cathode ib tug hluav taws xob field, nws yuav pab kom cov electrons emitted los ntawm lub cathode (cov no yog hu ua dawb electrons) txav mus rau lub anode. Tam sim no, LED teeb - nws yog lub feem ntau pheej coj ntawm txoj kev loj hlob ntawm teeb pom kev zoo thiab lub teeb qhov chaw. Diode teeb hloov incandescent thiab halogen, pib ua kev sib tw txawm zog npaum.

Lub diode teeb nws muaj nws tus kheej zoo thiab disadvantages. Nws lub ntsiab kom zoo dua yog qhov uas tsis muaj zog noj. Nws yog hais txog kaum lub sij hawm tsawg dua uas ntawm ib tug incandescent teeb, thiab yog hais txog peb lub sij hawm tsawg dua hais tias ntawm lub fluorescent. Ib tug me me hluav taws xob tam sim no noj vim hais tias lub hwj chim diode teeb yog heev tsawg.

Qhov thib ob kom zoo dua yog pom tias yuav tau ib tug zoo lub sij hawm - 100,000 teev, los yog 11 xyoo ntawm lub lag luam nruam. Tom ntej no kom zoo dua: LED teeb zoo txawm, muaj tsis muaj mercury thiab yog ib qho yooj yim mus pov tseg ntawm. Vim lub fact tias nyob rau hauv tus txheej txheem ntawm diode teeb zoo tsis muaj cua sov, lawv yog hluav taws kub-kev nyab xeeb, yog li lawv muaj peev xwm yuav siv tau nyob rau hauv qhov chaw nrog neeg pluag qhov cua, piv txwv li nyob rau hauv tshem tawm ceilings. Qhov kom zoo dua ntawm lub pab kiag li lawm yog lawv siab txhua yam dag lub zog, lawv tsis txawm ntshai ntawm kev ntog los ntawm ib tug qhov siab, thiab nws yog tag nrho ua tsaug rau cov ntaub ntawv los ntawm qhov uas lawv tau.

Raug nyob rau hauv LED teeb ntau tshaj nqis. Lub ntsiab disadvantage yog cov nqi heev. Piv txwv li, tsev neeg diode yaj ntawm 9-10 W yuav raug nqi txog li 2000 rubles, thiab chaw ua hauj lwm hom (qab nthab "Armstrong") - los ntawm 5000 rubles. Qhov thib ob qhov khuam rau lub chaw tsim tshuaj paus rau 100 000 teev ntawm tas mus li ua hauj lwm nyob rau hauv kev xyaum qhia ib tug ntau me me sij hawm ntawm lub lag luam. Qhov no yog vim hais tias muaj yog ib tug siv lead ua LED degradation nyhuv. Cov chaw tsim tshuaj paus kuj muab ib tug guarantee rau lawv cov khoom 3-5 xyoo. Muab hais tias lub diode teeb them rau nws tus kheej nyob rau hauv 5 xyoo, koj yuav poob koj cov nyiaj. Ib tug ntxiv disadvantage yog ib nqaim teeb emission spectrum thiab tsis kaj siab.

LED teeb tau ua ntawv thov thiab nyob rau hauv lub tsheb lag luam. Txij li thaum lub Kwvyees li xyoo 1990, lub tsheb manufacturers pib siv LEDs nyob rau hauv tsheb headlamps nyob rau hauv nres teeb, cov kev taw qhia indicators, As, nyob rau hauv loj, nyob rau hauv lub teeb compartment thiab cov dashboard lwm yam diode teeb rau ib lub tsheb muaj ntau luminescence spectrum: .. Los ntawm liab los xiav. Tam sim no, ntau manufacturers tsim lub tsheb rau txawv cov qauv ntawm cov zoo LEDs, qhov no yuav qhib enormous possibilities rau tuning machine.

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