Kuki itara rya LED ryaka kandi nigute wakemura ikibazo?

Kuzunguruka no gucana amatara ya LED ntabwo bishimishije amaso gusa, ahubwo biranangiza. Impamvu zitera ibintu bitifuzwa haba mubwiza buke bwamatara ya LED ndetse no mubintu bituruka hanze. Ibyo ari byo byose, ni ngombwa kumenya icyateye flicker no kuyikuraho.

Impamvu zo guhindagurika iyo switch iri

Niba itara rya LED rihita ryaka nyuma yo gufungura, noneho hariho ikibazo mubishushanyo mbonera. Mubisanzwe bitera LED guhindagurika harimo kwishyiriraho ubuziranenge. Niba imikoranire nibintu byumuzunguruko bidakemuwe neza, ibibazo bitandukanye bishobora kubaho mugihe gikora, harimo no guhindagurika.

Mugihe uhuza umugozi, uzirikane polarite – ukurikije ibara ryibara ryinsinga. Mugihe ushyira amatara mumazu ashaje, koresha multimeter kugirango umenye icyiciro na kiyobora. Niba insinga zitari zo, hari imbaraga nkeya mumuzunguruko bigatuma itara ryaka.

Nyuma yo gufungura, amatara ya LED ntashobora guhindagurika gusa, ariko kandi ashobora gutwikwa bihagije. Niba itara rya LED ryaka cyane, ikintu cya mbere ugomba gukora nukugenzura urwego rwa voltage murusobe uhuza irindi tara.

Umuvuduko muke

Gupima voltage mumashanyarazi, koresha ibikoresho byihariye byo gupima – multimetero cyangwa voltmeter. Niba agaciro kangana na 215-225 V kugaragara kumurongo / igipimo, noneho ibintu byose biri murutonde. Gutandukana kwa 5 V ntabwo ari ngombwa.

Munsi ya 200 V cyangwa irenga 230 V yerekana ibibazo hamwe numuyoboro wamashanyarazi kandi bisaba igisubizo cyihuse. Menyesha abahanga – mubiro byamazu cyangwa umuryango ukora ibikorwa byo gufata imiyoboro y’amashanyarazi. Inzobere zizapima kandi zihindure imikorere ya transformateur kuri substation.

Niba itsinda ryo gusana ridashobora kwemeza ko voltage yujuje ibisabwa na PUE, birakenewe ko dushyiramo limiter cyangwa voltage stabilisateur mukuzunguruka.

Kutayungurura bidahagije

Mu matara ahendutse yubushinwa, kandi rimwe na rimwe murugo, umushoferi wuzuye yubatswe ashingiye kumuzunguruko woroshye. Nigute uburyo bwo kuyungurura budahagije butera gucana itara rya LED:

1. Umushoferi afite ikiraro cya diode D1-D4. Iyungurura ubushobozi bwa filteri C2 – Rf ihujwe murukurikirane nayo. Umuvuduko winjiza wagabanijwe kubiciro byifuzwa mumuzunguruko wa capacitori (kuzimya Rg hamwe no koroshya ubushobozi C1).
2. Akayunguruzo gakuraho neza ibisigisigi bisigaye byubu byakosowe nikiraro cya diode, niba umuyoboro ufite voltage isanzwe. Ariko ikiraro ntigishobora koroshya urusaku rwinshi, rutera gucana.
3. Mugihe gito cyo gutandukana kwinjiza voltage kuva kubiciro byagenwe – bitewe nuburemere bwumuriro-voltage uranga – hari impinduka zikomeye mubihe. Ibi bihita bigira ingaruka kumucyo.

Urashobora gukosora ibintu wongeyeho akayunguruzo korohereza ibintu. Kubera ko voltage ihoraho ikoreshwa kuri LED, capacitor Cd irashobora guhuzwa numuzunguruko ugereranije na capacitori C1 yoroshye.

Ndetse no mumatara yo murwego rwohejuru, itara rya LED itanga ni umushoferi wuzuye hamwe na stabilisateur ihuriweho (ikoreshwa cyane cyane ikoresheje pulse-ubugari bwa modulisiyo).

Kuboneka kwa dimmers

Mu ikubitiro , dimmer (igikoresho cya elegitoronike igufasha guhindura imbaraga / umucyo wa LED) cyakozwe kugirango gikore n’amatara yaka. Ntabwo ikora neza hamwe na moderi nyinshi zamatara ya LED.

Impamvu yamakimbirane ya tekiniki nimbaraga ntoya yumutwaro. Dimmer irapimwe hafi watt 50, ikaba irenze cyane ibikoresho byinshi bya LED.

Akenshi, iyo amatara yaka binyuze mumucyo, hagaragara flicker, ishobora kuzimira mugihe imbaraga ziyongereye. Kuzimya dimmer bifasha kwikuramo flicker. Rimwe na rimwe, birahagije kudashyira igikoresho cyo guhinduranya imyanya ikabije, cyangwa urashobora guhindura igikoresho kuva kumurongo ugana inyuma.

Itara rike

Guhumbya amatara ya LED birashobora kugaragara cyangwa bitagaragara mumaso yumuntu. Igitera ikibazo ni amashanyarazi mabi ya LED, adashobora gukora neza neza amashanyarazi akosowe.

Imbaraga zikomeye cyane zangiza iyerekwa niba ingaruka nkizo zigaragara buri munsi. Abakora amatara ya LED basabwa kwerekana ibintu byerekana ibicuruzwa byabo. Mu Burusiya, iyi parameter igengwa na SanPiN. Mu matara y’Ubushinwa, ararenze indangagaciro zatangajwe.

Birashoboka guhindura ibipimo bya tekiniki yamatara yubushinwa, ariko biragoye. Mubisanzwe ugomba gufungura shingiro ryabo hanyuma ugahindura capacitor yoroheje kugirango irusheho kuba nziza. Ikintu nyamukuru nuko ihuye nubutaka.

Kuki itara rya LED ryaka mugihe itara rizimye?

Amatara ya LED afite inertia nkeya. Kubera iyo mpamvu, niyo mato mato mato anyura muri LED atera itara kuzimya mugihe gito, bigaragara neza na flash.

Impamvu zo guhindagurika muri reta ziratandukanye, ariko zose zifite aho zihurira – ikigezweho muri LED gitangwa binyuze mumuzunguruko utagenewe ibi.

Ibibazo byo gushaka

Niba itara ryaka nyuma yumucyo uzimye, menya aho icyiciro gihujwe kuva kugabanganya: kubitumanaho cyangwa kuri LED ubwabo. Ihitamo rya mbere nukuri. Niba icyiciro gihujwe n’itara rizahora rishoboka, ibi bizatera guhindagurika.

Icyuma cyerekana icyerekezo gifasha kumenya icyiciro na zeru: urumuri ruzimya iyo rukoze icyiciro. Niba insinga zahujwe neza, kandi itara rikomeza gucana, menya niba hari voltage yatewe murusobe.

Kugaragara kwamashanyarazi kumurongo waciwe numuriro wamashanyarazi bibaho mugihe undi mugozi uhujwe numuyoboro ushyizwe kuruhande. Insinga zirashobora gushirwa murukuta. Niba itara riyobowe na switch isanzwe, nta kumurika, urashobora guhindura insinga.

Gutandukanya nabi insinga z’amashanyarazi

Bibaho ko mugihe ushyira murugo insinga z’amashanyarazi, insinga zishyirwa kumurongo umwe hagamijwe ubukungu, mugihe ukurikije amategeko zigomba gushyirwa mumiyoboro itandukanye. Uburyo cabling itari yo igira ingaruka kumatara:

• Bitewe no guhuza amashanyarazi hagati yumuzunguruko wamashanyarazi, mugihe abaguzi bakomeye bahujwe, umuyoboro uterwa numuyoboro uhuza isoko ya voltage.
• Bibaho ko amashanyarazi yatanzwe arahagije kugirango yishyure ubushobozi bwa shoferi hanyuma ucane itara rya LED mugihe gito. Umuyoboro wa parasitike wiyongera niba umutwaro ugoreka imbaraga za sinusoidal AC. Ibi birasobanura impamvu amatara ya LED rimwe na rimwe acanwa iyo amatara azimye.

Ibihe byasobanuwe birasanzwe mubikoresho byurugo bikoresha ibikoresho byo guhinduranya amashanyarazi hamwe nurwego rudahagije rwo gukuramo imirongo yimbere.

Amakosa yo guhuza

Igishushanyo gikurikira kirerekana ikibazo gisanzwe cyo gufungura bidakwiye kumatara yumucyo, biganisha ku gucana amatara:

Impamvu yambere yo kugaragara ni ugukoresha insinga zihenze zifite ibara rimwe, aho bigoye kumenya icyiciro na zeru.

Indi mpamvu itera ikibazo nukutubahiriza ingingo yo guhuza insinga ya fase na switch, itangwa kuruhande rwiburyo bwishusho. Akenshi n’abashinzwe amashanyarazi ntibubahiriza iri tegeko, kubera ko iyo ukoresheje amatara yaka, kurenga kwayo ntigutera ingaruka mbi.

Niba amatara ya LED akoreshwa mu gucana , ikosa riganisha ku kuba bahorana icyiciro. Microcurrents isohoka, iboneka no mumashanyarazi meza, ubushobozi bwa shoferi burashiramo buhoro buhoro, kandi itara ryaka mugihe gito.

Kuba hari urumuri muri switch

Uyu munsi, amatara amurika arakunzwe cyane. Biroroshye kubona mwijimye tubikesha urumuri rwa LED rwubatswe murufunguzo.

Muguhagarika icyerekezo, uruziga rufunze burundu ruraremwa. N’imigezi idafite akamaro inyura mumuzunguruko irashobora kwishyuza capacitor ya dimmer, iyo, iyo isohotse mumatara, itera kuyifungura mugihe gito.

Inzira yoroshye yo gukuraho flicker nukuzimya. Kugira ngo ukemure ikibazo, ntukeneye kugura ibindi bikoresho, gusa uhagarike (uhagarike) umubano hagati yumucyo wamatara. Guhindagurika bizashira, ariko itara ryinyuma naryo rizahagarikwa.

Amatara mabi

Amatara yo mu rwego rwo hejuru LED ahenze cyane. Abakoresha benshi bahitamo kugura ibigereranyo bihendutse. Ingaruka zabo ni nziza. Mugihe cyo gukora, ayo matara arashobora gucana.

Impamvu yo gucana amatara yo mu rwego rwo hasi ni ubushobozi buke. Zikoreshwa mubicuruzwa byingengo yimari. Ubushobozi bwishyurwa binyuze muri diode, nkigisubizo cya flicker igaragara.

Gushiraho ikintu cyiza-cyiza hamwe numushoferi urinda gucana bifasha gukosora ibintu. Iheruka ntabwo ireka urumuri rwinyuma kumatara ya LED.

Kuki LED guhumbya ari akaga?

Kuzimya cyane amatara ya LED bigira ingaruka mbi kubuzima bwabantu kandi bigatera ingaruka mbi nyinshi. Uburyo guhindagurika bigira ingaruka kumubiri:

• itera amaganya;
• bigira ingaruka mbi kumutima;
• bitera kubura amahwemo no gukama mu maso;
• bitera gusenyuka no kwangirika mubikorwa;
• Kugabanya kwibanda;
• byongera umunaniro;
• bitera kudasinzira.

Nigute ushobora kubona icyateye ikibazo?

Tangira gushakisha icyateye flicker ugenzura icyiciro – niba iyi nsinga ihujwe neza. Igomba guhuzwa numwe mubahindura.

Niba usanze amashanyarazi arimo gutangwa kumuri inyuma, iyi niyo mpamvu yo guhumbya. Urashobora kugenzura umuzenguruko ukoresheje icyerekezo cyerekana – iyi manipulation irashobora gukorwa numuntu uwo ariwe wese.

Niba ikibazo gikomeje:

• hindura ihinduka kuri analog idafite itara ryinyuma;
• shyira imbaraga nkeya;
• koresha itara ryaka.

Niba guhindagurika byongeye kugaragara, genzura insinga zo kwangirika kwangiritse, guhuza okiside, insinga zegeranye cyane, nibindi.

Niba guhindagurika kugaragara kumwanya wa switch, reba ituze rya voltage. Niba ibipimo aribyo, simbuza itara rya LED hamwe na analogue nziza.

Nakora iki niba itara rya LED ryaka?

Ikibazo gihindagurika gishobora gukemurwa muburyo butandukanye. Imirimo yose yasobanuwe hepfo, iganisha mugukemura ibibazo, igomba gukorwa numuyagankuba wabigize umwuga. Kwigenga kugerageza guhindura impinduka zumuriro wamashanyarazi birashobora kuganisha kumurongo muto.

Hagarika diode

Amatara ahendutse ntabwo afite ibikoresho birwanya anti-flicker iyo bizimye. Mbere yo kuzimya diode muri switch, tegura urutonde rwibikoresho:

• Amashanyarazi ya Phillips;
• pliers;
• insinga z’insinga;
• metero ya voltage.

Urutonde rw’akazi:

1. Mbere yo guhagarika diode, de-ingufu za mashini kugirango wirinde amashanyarazi.
2. Gupima voltage hejuru ya contact hamwe na multimeter.
3. Kuraho icyuma kimurika. Kuramo amakariso uyakurura hasi gato.
4. Kuramo imigozi irinda switch na antenne. Kata insinga zisabwa hamwe nogukata insinga.

Tandukanya insinga zidafite aho zibogamiye

Ikibazo cyo guhindagurika gikemurwa gusa niba insinga zidafite aho zibogamiye hamwe nicyiciro cyahujwe na switch icyarimwe. Huza urumuri kuri bo. Gahunda nkiyi ihuza gahunda itera icyerekezo gihoraho, ariko itara rya LED rihagarika guhumbya.

Kongera ubushobozi bwa kuringaniza ubushobozi

Amashanyarazi ya LED yamashanyarazi, yashyizweho nyuma yinjiza transformateur cyangwa voltage igabanya, ikoreshwa mugukosora ibimenyetso bisimburana hakoreshejwe capacitor C, yoroshya imvururu.

Kugabanya ingaruka za ripple kumiterere yikimenyetso cyakosowe, ongera agaciro kangana na capacitor. Kugirango bigerweho, ugereranije nubwa nyuma, huza ubushobozi bwa kabiri – C1.

Hariho ikindi gisubizo cyikibazo – guhindura capacitor kurindi ifite ubushobozi buhanitse. Iheruka igarukira gusa ku bipimo fatizo – icy’ingenzi ni uko ubushobozi bushya bujyanye nayo.

Imipaka igezweho irwanya-kuzimya

Kwinjizamo ristoriste yinyongera R1 murukurikirane rwa LED ruzunguruka bigabanya kugabanuka kwingufu zamashanyarazi hamwe numuyoboro wamashanyarazi. Ibi bigabanya ubukana bwurumuri rwabo kandi bikoroshya imvururu.

Nigute wagabanya LED pulsation:

1. Mugabanye ibyanyuze muri HL1-HLn kumuzingo wa 25-30%. Gupima imbaraga za voltage mumuzunguruko wakazi hanyuma ukore ibara rito.
2. Umuyoboro unyura muri LED ugenwa hakurikijwe amategeko ya Ohm. Kumenya voltage no kurwanya R \ u003d 1 kOhm, I \ u003d U / R igezweho byoroshye.
3. Umaze kubona agaciro kagezweho, gabanya hafi 25% hanyuma ubare ibiterwa byose ukoresheje formula imwe R = U / I. Kuramo intangiriro yo kurwanya uhereye kubiciro byabonetse hanyuma ubone agaciro R1.
4. Hitamo kurwanywa ukurikije imbaraga zemewe. Ibi birinda ubushyuhe bukabije bwimiterere, bishobora kuganisha ku gutwikwa kwuzuye.

Uburyo bwavuzwe haruguru ntibushobora gukuraho burundu flashing, ariko burabigabanya cyane.

Guhuza ibyakozwe murugo

Guhuza capacator na chokes birashobora koroshya neza urusaku rwinshi ruva mumashanyarazi kugera kumatara ya LED. Kubashoferi boroheje, iki gisubizo kirahagije kugirango ukureho flicker.

Ibiranga akayunguruzo:

1. Akayunguruzo gateranyirijwe hamwe nka module itandukanye, hanyuma igakingura iburyo imbere y’itara.
2. Akayunguruzo ntigashobora kubakwa mu itara rya LED. Bikorwa muburyo bwa dielectric. Irashobora gushyirwaho ahantu hose, ariko birasabwa kuyishyira imbere ya karitsiye.

Ni ryari ugomba guhamagara amashanyarazi?

Ntugomba guhamagara amashanyarazi kugirango usimbuze itara rya LED. Ariko, niba udashobora kubona icyateye itara ryaka wenyine, ugomba kumutumira.

Azagenzura ihuriro, amenye ubwiza bwinsinga, akore imirimo yose ikenewe isaba ubuhanga bwumwuga hamwe nitsinda runaka ryihanganirana.

Kuzimya amatara ya LED nikibazo gikomeye kubwihumure nubuzima bwabantu. Ni ngombwa kumenya icyateye ikibazo no kugikemura vuba bishoboka. Kugirango wirinde gucana amatara munzu, kwishyiriraho ibicuruzwa byujuje ubuziranenge hamwe ninsinga zikoreshwa bifasha.