LED teeb: flicker thiab lwm yam teeb meem. Yuav ua li cas tshem tawm flickering LED qij?

Los ntawm lub sij hawm rau lub sij hawm teeb meem tshwm sim nrog LED teeb pom kev zoo fixtures. Novelty LED-technology yuav complicate tus mob thiab kho ntawm cov teeb meem. Hauv qab no yog ib daim ntawv teev tej kev yuam kev uas yuav tshwm sim, nrog rau qhov kev piav qhia ntawm tus txheej txheem ntawm kev txheeb xyuas lawv ua thiab tau daws cov teeb meem kev ntsuas. Nyob rau hauv kev, koj yuav kawm tau li cas los mus tshem tawm flicker LED teeb.

Qhov teeb meem: LEDs flicker. Tau Ua № 1: tsis ncaj ncees lawm voltage

LED-teeb yuav tsum tau ua raws li tej yam tswv yim tsis. Kev voltage tsav tsheb yuav ua rau flashing los yog flickering ntawm lub LED teeb.

Yuav kom tshem tawm tus txhaum yuav tsum tau soj ntsuam cov tswv yim voltage tsav tsheb (e.g., 120) thiab lub teeb (e.g., 277). Qhov teeb meem yuav pw nyob rau hauv lawv cov inconsistency. Nyob rau hauv cov ntaub ntawv no, yuav hloov tau lub teeb tsav tsheb los yog nws tus kheej nyob rau hauv xws li ib tug txoj kev uas lub voltage nqi yog tib yam, los yog, yog tias qhov no yog tsis tau, nruab ib transformer, uas yuav muab qhov yuav tsum tau tsis muaj lub LED teeb.

Tau Ua № 2: incompatible dimmer

LED teeb flicker tshwm sim thaum lub teeb yog tsis tsim ib lub load dimmer los yog yog hais tias tus neeg tsav tsheb yog tsis tau tshaj nws cov kev tswj Circuit Court.

Yuav kom tshawb nrhiav qhov teeb meem rau nws lov tes taw saw dimming. Yog hais tias tus LED yog ua tau hauj lwm txhua zaus, lub dimmer los yog lub load yog tsis tau tshaj nrog nws. Thov xa mus rau lub chaw tsim tshuaj paus rau ib qho kev tshab txhais txog ntawm lub teeb, Dimmable tsav tsheb seb thiab, yog li, uas pab kiag li lawm yog tshaj nrog nws.

Tau Ua № 3: nyob hwj chim ntawm lub muaj los yog dimmer sensor

Lub kom tau hauj lwm ntawm cov ntawm lwm yam uas, tej zaum yuav tsum tau ib tug tsawg kawg nkaus hwj chim kev ntsuam xyuas. Piv txwv li, cov kev tswj chav tsev kuaj pom nrhiav kom tau tej zaum yuav muaj cov load sib npaug zos rau yam tsawg 20 W, thiab cov LED kov xwb 10 watts.

Yuav kom tshem tawm flicker ntawm LED teeb nyob rau hauv lub Circuit Court yuav tsum ntxiv cov pab kiag li lawm, uas yuav ua rau kom lub load peev xwm mus txog rau thaum yuav tsum tau rau qub kev lag luam ntawm tus dais, los yog yuav hloov tau cov kev thaiv nyob sensor los yog dimmer tswj rau lwm tus, muaj ntau hauj sim xav rau hwj chim noj.

Tau Ua № 4: overload dimming

Cov kev teeb meem ntawm lub emission tswj system LED-teeb - nce overload LED tsav tsheb. Nws yog tsim los rau ib tug tshaj plaws load (ntsuas nyob rau hauv volts, amps thiab watts), uas yuav tsum tsis txhob ua zoo tshaj.

Cov nab npawb ntawm cov teeb uas yuav tsum tau ntsia rau ib leeg-theem dimmer, xam seemingly yooj yim txaus. Piv txwv li, koj xav paub yuav ua li cas muaj ntau yam 15-watt LED teeb yuav tsum tau ntsia rau 600-watt dimmer. Lub quotient ntawm 600 rau 15 txiav txim tias tus teeb 40 yuav tswj. Tu siab, qhov no tshwm sim muaj peev xwm tej zaum yuav tsis muaj tseeb. Nyob rau hauv qhov tseeb, qhov no ntaus ntawv tso cai rau koj siv hwj chim xwb 6 LED teeb.

Thaum hwj huam tas nrho LED yog tsuas yog 15 watts, lub inrush tam sim no thiab inrush tam sim no ib nrab-cycle rov load dimmer ntau npaum li cas. Yog li, lub 15-watt LED teeb rau ib lub teeb tswj ntaus ntawv yog sib npaug rau incandescent teeb ntawm 100 watts. Nyob rau hauv cov ntaub ntawv no, Yog hais tias ntau tshaj 6 lub teeb qhov chaw, lub dimmer yuav overloaded.

Salaries launchers ib nrab-cycle wavelets los yog sib npaug tam sim no tam sim no noj los ntawm ib tug incandescent teeb ntawm 100 W txawm nyob rau hauv ib tug load ntawm tsawg tshaj li 20 watts!

Flickering LED teeb yuav raug tshem tawm los ntawm cov nram qab no cov kauj ruam:

• xa mus rau lub specification ntawm fixtures los mus txiav txim qhov sib npaug load;
• tshem tawm los ntawm cov kab dimmer teeb fais fab mov thiab txiav txim seb nws yuav kom daws tau qhov teeb meem;
• hloov dimmer ntaus ntawv rau ntau tshaj plaws load;
• faib rau hauv Circuit Court rau hauv ob peb loads.

Tau yog vim li cas tus xov tooj 5: tsis txaus teeb pom kev zoo load regulator

Ib txhia dimmers ntawm muaj tsawg tsawg heev load kev khiav hauj lwm kom raug. Rau lawv tej kev lag luam tej zaum yuav tsum tau ib tug tsawg kawg nkaus naj npawb ntawm cov fixtures, cov tswv yim los ntawm 25-40 watts, yuav tsum tau rau ib tug pa dimmer. Ib incandescent teeb noob yog ib qho yooj yim kom los siav yuav tsum rau qhov tsawg kawg nkaus load. Tab sis LED-teeb yuav tsum tau 4 lub sij hawm ntau.

Yuav kom tshem tawm flicker ntawm LED teeb, ib tug me me load vim lub dimmer yuav tsum:

• xa mus rau nws specifications los mus txiav txim yam tsawg kawg nkaus load;
• tshem tawm cov dimmer ntawm lub teeb pom kev zoo Circuit Court xyuas kom meej tias cov tshuaj ntawm qhov teeb meem;
• hloov dimmer ntaus nrog ib tug tsawg dua yam tsawg kawg nkaus load.

Qhov teeb meem: flicker switched LED teeb. Tau Ua № 1: txoj kev qhia rau cov nyob ze thaiv

Flickering LED teeb nyob rau hauv lub tawm lub xeev no tshwm sim thaum nteg thaum uas tig mus rau lub xov los ntawm kev uas tam sim no ntws. Cov neeg xyuas pib tawm ib tug voltage, uas yog qhov ua rau flashing ntawm lub teeb.

Cov tshuaj yog rau cov nram no txoj kev:

• ib lub teeb kev cob cog rua nyob rau hauv thaum uas tig mus shunt capacitor 0.01-1 uf, lub voltage yog tsis tsawg tshaj li 400 V los yog W 0.5-2 hwj chim resistor thiab ib tug tsis kam ntawm 100 ohms, 1.5 megohms, uas yuav ntws los ntawm cov mov tam sim no backlight;
• thaum uas tig mus kev cob cog rua LED teeb.

Tau Ua № 2: backlight tam sim no

Thaum uas siv cov tus tes hloov qhov LED nrog backlight thiab teeb flicker tshwm sim txawm thaum switched tawm. Cov backlight kov tam sim no, uas tsub lub capacitor mus rau lub tshuab hluav taws xob Circuit Court luminaire theem txaus rau ib ntsais tuaj.

Yuav ua li cas kom tshem tawm cov flickering ntawm LED teeb nyob rau hauv cov ntaub ntawv no? Koj yuav tsum siv ib qho ntawm cov nram qab no txoj kev:

• ib lub teeb kev cob cog rua nyob rau hauv thaum uas tig mus shunt capacitor 0.01-1 uf, lub voltage yog tsis tsawg tshaj li 400 V los yog W 0.5-2 hwj chim resistor thiab ib tug tsis kam ntawm 100 ohms, 1.5 megohms, uas yuav ntws los ntawm cov mov tam sim no backlight;
• thaum uas tig kev cob cog rua LED teeb;
• hloov tus tes hloov qhov uas illumination ntawm tus nkag hloov nrog backlight, li ntawd, txuas mus rau tawm ob hu luminaire kaw rau hauv nruab nrab neeg xyuas pib;
• hloov tus tes hloov qhov uas illumination rau ib tug tsis tu ncua;
• backlight yog powered ntawm ib tug nyias muaj nyias ib nruab nrab neeg xyuas pib;
• tshem tawm tus tes hloov qhov backlight.

Qhov teeb meem: Tus LED teeb tsis pom li. Tau Ua № 1: tsis yog thaiv

Nyob rau hauv cov ntaub ntawv ntawm cov neeg pluag kev twb kev txuas yuav ua tau tam sim no ntawm cov LED thiab tsav tsheb network thiab cov luminaire. Nws yog tsim nyog los saib tag nrho cov hluav taws xob sib txuas ntawm cov LED thiab tus neeg tsav tsheb thiab nruab nrab ntawm cov kab thiab cov neeg tsav tsheb thiab xyuas kom meej ua raws li voltage. Peb yuav tsum tau kom paub tseeb tias tag nrho cov Circuit Court tej fais fab yog muab rau thiab tag nrho cov kev sib txuas yog ua kom raug.

Koj yuav tau mus xyuas tag nrho cov nyob ntawm tej kev cob cog rua rau lub teeb, nrog rau cov theem, zero, av, dimming Circuit Court thiab thaiv rau thaum muaj xwm ceev teeb pom kev zoo.

Tau Ua № 2: LED kev puas tsuaj

Lub LEDs tej zaum yuav puas los ntawm ntev co, cov av noo thiab tshuaj los yog aerosol paug.

Nyob rau hauv cov ntaub ntawv no, koj yuav tsum tau kom paub tseeb tias yog hais tias tus teeb yog txhim kho nws nyob rau hauv ib tug lub npe hu zoo teeb thaum fais fab yog muab tshem tawm.

Climatic thiab lwm yam khoom yuav ua rau kev co, uas yuav cuam tshuam rau LED, yog hais tias nws tshwm sim nyob rau hauv ze rau nws lub cev. Xyuas kom tseeb tias koj muaj xws li ib tug tej yam thiab tshem tawm los yog txo cov kev co los yog ua rau kom qhov kev ncua deb ntawm nws qhov chaw thiab lub teeb vaj tse nyob.

Puas tsuaj los ntawm kua, tshuaj los yog kuab paug aerosols yuav ua rau malfunction ntawm lub LED, los yog ib tug tsis ua hauj lwm. Lub chaw yuav tsum tau tshem tawm ua ntej npaj siab yuav ua rau kho qhov teeb meem.

Tau Ua № 3: LED kev puas tsuaj rau lwm yam

Zoo li lwm yam kev teeb qhov chaw, LED teeb yuav tsis vim lub cev los, xws li ib tug lo lub caij nplooj zeeg.

Nyob rau hauv tas li ntawd, LED tej zaum yuav puas los ntawm hwj chim surges uas tshwm sim thaum nws yog kev cob cog rua nrog lub hwj huam rau.

• Nyob rau hauv cov ntaub ntawv no nws yog tsim nyog los xyuas kom meej ib lub teeb tsis ua hauj lwm los ntawm nws cov installation nyob rau hauv lub npe hu ua hauj lwm lub cev nrog lub hwj chim tawm.
• Lub teeb yuav tsum tau soj ntsuam txog kev pom kev puas tsuaj LEDs.
• Thaum kev cob cog rua rau lub LED tsav tsheb yuav tsum kom paub tseeb tias lub hwj chim yog tawm.

Tau Ua № 4: puas tsuaj neeg tsav tsheb

LED tsav tsheb muaj ib tug tej yam tswv yim tsis. Kev mloog lus ntawm ib tug tsis yog voltage yuav ua kev puas tsuaj rau nws. Tsis yog kev twb kev txuas thiab phem hluav taws xob sib txuas kuj yuav ua kev puas lub LED.

Yuav kom tshem tawm tus txhaum yuav tsum tau soj ntsuam cov tswv yim voltage tsav tsheb (e.g., 120 V), thiab ces ib tug teeb (e.g., 277). Ntawm no nws yog tau tsis sib xws.

Mus sim mus nrhiav kom tau tus faulty LED es tsis txhob ntawm kom zoo, tsis nco qab mus tua lub hwj chim. Yog hais tias nws tsis teeb li, yog vim li cas cov lus dag nyob rau hauv lub LED-teeb.

Koj yuav tsum tau xyuas tag nrho cov nyob ntawm tej kev cob cog rua rau tus neeg tsav tsheb, xws li cov theem thiab pes tsawg, Circuit Court dimming, thaum muaj xwm ceev teeb pom kev zoo thiab thiaj li nyob. D., Thiab yuav tsum tshem tawm qhov teeb meem. Yog hais tias qhov no tsis ua hauj lwm, nws yog tej zaum corrupted tsav tsheb. Nyob rau lub sij hawm no, nws yog tsim nyog los hu cov khw.

Qhov teeb meem: LEDs tig daj los yog sis tsuas kob. Tau Ua № 1: incompatibility ntawm cov LED thiab nws lub hwj chim

Cap LED-teeb tej zaum yuav incompatible nrog tus neeg tsav tsheb. Piv txwv li, ib tug 6-nti 10-watt LED yog ntsia tau rau hauv ib tug 6-nti 15-watt cartridge.

Feem ntau cov LED txawv peev xwm yuav phim qhov luaj li cas ntawm tib yam loj vaj tse nyob. Cuaj kaum, tus LED tej zaum yuav incompatible nrog tus neeg tsav tsheb vaj tse, txawm yog hais tias lawv haum ua ke. Koj yuav tsum tau nrog cov neeg muag los yog los ntawm lub chaw tsim tshuaj paus rau tus ntsuam ntawm ib tug LED mus rau ib tug kev lub cev. Txwv tsis pub, tus tshiab LEDs coj muaj peev xwm yuav tsum tau txiav txim.

Tau Ua № 2: siab ambient kub

Tej zaum yuav muaj ib tug siab ambient kub. Thaum tshav kub kub yog tus yeeb ncuab ntawm LED technology thiab muaj peev xwm ho kom lub neej ntawm lub teeb. Huab cua thiab kev nyab xeeb yuav ua si ib tug tseem ceeb luag hauj lwm nyob rau hauv lub kub, qhuav, suab puam chaw thiab cov cheeb tsam nrog ib tug ua ke ntawm kub thiab humidity.

Yuav kom txhim kho tau qhov teeb meem uas koj yuav tau mus xyuas qhov kub thiab txias nyob ze ntawm lub teeb vaj tse, hauv qab no thiab saum toj no ib tug cuav qab nthab. Yog hais tias lub ambient kub lossi saum toj no 50 ° C, tus LED yuav yuav puas ntsoog thiab yuav tsis ua hauj lwm raws li tau leej twg. Qhov teeb meem no yuav tsum tau kho los ntawm tej lub kub los yog lub zog ntawm tus dais. Txawm li cas los, nws tsis rov qab mus rau hauv lub LED rau nws yav dhau los hauv lub xeev. Thov xa mus rau lub chaw tsim tshuaj paus rau hloov LED-teeb.

Tau Ua № 3: thaum xaus ntawm lub neej

Qhov kawg ntawm cov kev pab cuam lub neej ntawm LED teeb muaj peev xwm hloov lub glow kub, xim rendering Performance index thiab luminous efficiency. Qhov no yog ib tug kos npe rau tias cov LED-teeb yuav tsum tau hloov. Nyob rau hauv cov ntaub ntawv no koj yuav tsum hu mus rau lub chaw tsim tshuaj paus.

Qhov teeb meem: tsawg zaus flickering LED teeb

Lub flashing lub teeb yuav ua rau qhov muag nkees thiab txo cov kev kawm. Nws yog yus muaj los ntawm ib tug zoo tshaj thiab zaus.

Flicker tau ntawm LED teeb - yog tus piv ntawm cov sib txawv ntawm lub siab tshaj plaws thiab yam tsawg kawg nkaus brightness rau lawv zaum. Nws yuav txawv ntawm 0% rau teeb powered by DC qhov chaw rau 100%. Lub coefficient rau incandescent teeb yog 6-17%. Raws li cov qauv, nws yuav tsum tsis txhob ntau tshaj 20%.

LED teeb flicker zaus nyob rau tus neeg tsav tsheb thiab yog sib npaug zos rau 100 Hz rau ib tug pa ballast. Lub pom tus nqi ntawm no parameter - saum toj no 300 Hz.

Yuav ua li cas mus saib flickering LED qij? Qhov no yuav ua tau nyob rau hauv ob peb txoj kev:

• ntawm lub koob yees duab thaum enabled smartphone flicker hluav xaiv;
• photographing teeb qhov chaw siv ib tug smartphone chamber - lub xub ntiag ntawm tsaus bands qhia lub xub ntiag ntawm ib tug ripple;
• siv ib tug photodiode kev cob cog rua rau lub PC, lub multimeter los yog headphones;
• siv ib lub teeb 'meter', uas yuav ua rau cov kev ntsuam;
• saib xyuas stroboscopic nyhuv ib tug ceev ceev mus kwv (xws li, ib tug kav, ib tug cwj mem los yog ib tug whirligig).

Tshem tawm flicker LED, tsis txuam nrog kev siv ntawm lub teeb, nws yog ua tau li nram qab no txoj kev:

• siv lub hwj chim tiag tiag tas mus li, es tsis muaj ib tug pulsating tam sim no;
• hloov lub teeb nrog ib tug high school cov coefficient ntawm flicker rau LED-teeb thiab cov coj kev cai.