Abubuwan Fitar da Hasken Hasken LED & Gyara: Na cikin gida vs Lissafin Waje

LED flicker yana da wuya 'abin asiri.' A yawancin ayyukan, yana fitowa daga sarkar guda ɗaya: ingancin wutar lantarki → wayoyi → sarrafawa / dimming → direba → module LED.

Abin da ke canzawa tsakanin gida da waje ba ilimin kimiyyar lissafi ba ne. Waɗanne wuraren rauni ne aka fi turawa. Wuraren kasuwanci na cikin gida yakan nuna dimming da matsalolin daidaitawa. Abubuwan shigarwa na waje suna ƙara yanayin zafi, danshi, lalata, girgiza, da doguwar tafiyar USB.

Wannan jagorar mataki ce don ofis, dillalai, da ƙungiyoyin baƙi waɗanda ke son dakatar da biyan kuɗin sake aiki. Ya ƙunshi yadda ake ware tushen sanadin cikin sauri, abin da za a ƙayyade don kada ya bayyana bayan an mika shi, da yadda ake tunanin farashi lokacin da wani ya sayar da ku 'kyauta.'

1. Shin na cikin gida da na waje LED flicker yana haifar da iri ɗaya?

Ee, a matakin tushen. Yawancin lokaci ana haifar da Flicker ta LED mara ƙarfi ko siginar sarrafawa wanda direba ba zai iya fassarawa da tsafta ba.

A'a, a cikin matsala na yau da kullun. A cikin gida, flicker galibi ana ɗaure shi zuwa dimmers, sarrafawa, da gina wayoyi. A waje, wurare iri ɗaya masu rauni suna wanzu, amma ana damuwa da yanayi, hawan zafin jiki, da amincin haɗin gwiwa.

Ƙa'idar mai siye mai amfani tana aiki a cikin mahalli biyu: idan yawancin gyare-gyare da yawa suna yin aiki tare, suna zargin kewaye, tsaka tsaki, kayan sarrafawa, ko ingancin samarwa. Idan matsalar ta keɓe zuwa ga haske ɗaya, yi zargin direban fitilar, wayar ciki, ko zafi.

2. LED haske flickering Sanadin da mafita (kasuwa mai sauri triage)

Yawancin jerin abubuwan da ke haifar da fitilun hasken LED da mafita' suna farawa da kwararan fitila. A cikin ayyukan kasuwanci, fara tare da mu'amalar da ke shafar yawancin hasken wuta lokaci guda.

2.1 Matsalolin direbobi (ƙananan inganci, ƙayyadaddun ƙayyadaddun kuskure, tsufa, zafi mai zafi)

Direban LED yana jujjuya manyan hanyoyin AC zuwa kayyade halin yanzu. Lokacin da direba ba a ƙayyadadden ƙayyadadden ƙayyadaddun bayanai ba, tsufa, ko matsananciyar zafi, ripple ɗin fitarwa na iya zama bayyane azaman flicker.

A cikin filin, flicker da ke da alaƙa da direba yakan sami labarai: yana iya farawa bayan an gama dumama, ya yi ta'azzara idan ya dushe, ko kuma ya bayyana bazuwar a cikin fitila ɗaya yayin da wasu ke kan da'irar suka tsaya tsayin daka.

2.2 Dimmer ko rashin daidaituwa na sarrafawa (0-10V, DALI, yanke lokaci, PWM)

Wuraren kasuwanci na cikin gida suna amfani da dusashewa don dakunan taro, wuraren sayar da kayayyaki, da yanayin baƙi. Flicker yana faruwa lokacin da ba'a tsara hanyar dimmer/sarrafa da direba azaman tsarin da ya dace ba.

Idan luminaire ya tsaya tsayin daka a cikakken fitarwa amma ya zama mara ƙarfi a ƙarancin dimming, bi da dacewa a matsayin wanda ake tuhuma na farko.

2.3 Matsalolin ingancin wutar lantarki (sauyin wutar lantarki, masu jituwa, abubuwan da aka raba)

LEDs suna amsawa da sauri. Matsalolin da ba a iya gane su ba tare da tsofaffin fasahohin na iya bayyana a fili tare da LEDs.

Idan flicker spikes lokacin da HVAC ko manyan kayan aiki suka fara, ko lokacin da wasu benaye suka canza lodi, yawanci kuna kallon ingancin wutar lantarki ko lodin kewaye.

2.4 Waya da tsaka tsaki al'amurran da suka shafi ( sako-sako da haɗin gwiwa, matalauta ƙarewa)

Tashoshi maras kyau, rashin ƙarfi, ko matsalolin tsaka-tsaki na iya haifar da faɗuwar wutar lantarki. Lokacin da gyare-gyare da yawa suka yi flicker tare, dalilin sau da yawa yana tasowa daga fitilu.

⚠️ Gargaɗi : Tsarkakewar tsaka-tsaki na iya zama haɗari. Idan flicker ya yadu ko an haɗe shi da zafi mai karyawa, ƙamshi mai ƙonawa, ko sautunan da ba na al'ada ba, ɗauki shi azaman laifin lantarki kuma ya ƙaru nan da nan.

2.5 EMI (tsangwama na lantarki) yana shafar direbobi ko layin sarrafawa

Motoci masu canzawa, injina, lif, da kebul ɗin sarrafawa mara kyau na iya gabatar da hayaniya da ke damun direbobi ko siginar dimming.

2.6 Zazzabi da muhalli (me yasa a waje ke iya jin 'daban')

Ayyukan waje suna ƙara masu saurin gazawa: hawan keke na zafi, danshi da lalata a masu haɗawa, girgiza, da tsayin gudu wanda ke ƙara raguwar ƙarfin lantarki.

Ayyukan cikin gida yawanci suna ganin nau'in nau'in 'dangin muhalli' na daban: direbobin da ke makale a cikin kogon rufin zafi tare da rashin samun iska da ƙarancin kulawa.

3. Shirya matsala LED flicker: lafiya cak vs lantarki-kawai cak

3.1 Amintaccen bincika ƙungiyar ku za ta iya yi ba tare da buɗe kayan aiki ba

1. Taswirar tsarin : ƙayyadaddun tsari ɗaya, yanki ɗaya, da'ira ɗaya, ko duka rukunin yanar gizon.

2. Gwajin musanyawa : musanya fitilar fitilun (ko fitila) tare da sananniya mai kyau naúrar. Idan matsalar ta biyo bayan naúrar, yi zargin direban/fixture.

3. Duban sarrafawa : tabbatar da ko kewaye yana kan dimmer, firikwensin, ko mai sarrafa BMS, kuma ko direban ya dace da wannan hanyar sarrafawa.

4. Duba mu'amalar lodi : rage nauyi na ɗan lokaci akan da'irar ɗaya kuma duba ko flicker yana canzawa.

5. Yi rikodin shaida : lokaci, wuri, matakin dimming, da ko flicker yana aiki tare a cikin kayan aiki.

Bidiyon wayo zai iya taimaka maka rubuta batun, amma ba kayan awo bane. Kyamarorin da ke jujjuyawa na iya yin karin gishiri.

3.2 Takaddun da ya kamata ƙwararren ma'aikacin lantarki ya yi

Ayyukan panel, mutuncin tsaka tsaki, binciken akwatin mahaɗa, ma'aunin jujjuya wutar lantarki a ƙarƙashin kaya, da duban ƙasa suna tare da ƙwararren ma'aikacin wutar lantarki, musamman lokacin da kayan aiki da yawa suka fiɗa tare ko lokacin da layin sarrafawa ya shiga.

4. Siyayya: yadda ake saka 'free-flicker' ba tare da biyan kuɗin da ake nema ba.

Mafi tsadar flicker shine flicker da kuke ganowa bayan mikawa.

4.1 Mataki na 1: Dakatar da karɓar 'free-flicker' azaman lakabin

Ana buƙatar aiki mai aunawa. Nemi rahoton gwaji wanda ya faɗi hanyar gwaji, yanayin aiki (volt ɗin shigarwa, kaya, maki mai ragewa), da ainihin haɗin direba + luminaire da aka gwada.

4.2 Mataki na 2: Ƙayyade ma'aunin flicker waɗanda za a iya tantancewa

Ma'auni biyu tsofaffi har yanzu suna gama gari kuma suna da sauƙin kwatanta: kashi flicker da fihirisar flicker. Suna bayyana siffar igiyar igiyar ruwa, amma ba su cika ɗaukar tasirin mitar ba.

Don ƙayyadaddun ƙayyadaddun matakan yanke shawara, ƙungiyoyi da yawa sun fi son ma'aunin daidaita hasken ɗan lokaci saboda sun yi kusa da fahimta:

• PstLM (fasalin hasashe)

• SVM (hannun stroboscopic)

A matsayin maƙasudin karɓa mai amfani da aka saba amfani da shi a cikin ƙayyadaddun bayanai, ayyuka da yawa suna buƙatar PstLM <1.0 da SVM <1.6 a cikin kewayon aiki, gami da matakan dimming maɓalli.

Don jagorar mitar-da-modulation, IEEE yana ba da shawarar aiki; Bayanin DIAL na IEEE 1789 da aka ba da shawarar aiki don flicker (2022) tabbataccen mafari ne.

Don ma'anar kashi flicker da flicker index (da dalilin da yasa basa ɗaukar mita da kansu), duba 'Flicker: Ma'auni da Hanyoyin Gwaji' (Masana'antar LED, 2016).

4.3 Mataki na 3: Ɗaure flicker zuwa ƙayyadaddun direbobi da abubuwan da ake iya sarrafawa

Idan kuna samun fitilun panel don ofisoshi, RFQ ɗinku yakamata ya buƙaci aikin direba da takaddun shaida, ba kawai watts masu haske da lumens ba.

Misalin KEOU jerin abubuwan da aka bincika don fitilun panel samfuri ne mai amfani saboda yana tilasta lambobi masu ƙarfi da takaddun bayanai, gami da PF ≥ 0.90 , THD ≤ 20% , kuma yana nuna ƙarancin raguwa tare da dimming-free flicker akan ƙayyadaddun yarjejeniya (0-10V/DALI) : duba LED panel haske jagorar siyan kaya.

Don mahallin rukuni da zaɓin daidaitawa, Hakanan kuna iya yin la'akari da na KEOU LED panel fitilu page da wannan LED panel bayani dalla-dalla kwatanta.

5. Farashin: abin da kuke biya a cikin ƙananan haske mai haske

Idan zaɓin mai kaya 'free-flicker' ya fi tsada, tambayi abin da kuke siya.

A mafi yawan lokuta, kuna biyan mafi kyawun ƙirar direba da abubuwan haɗin gwiwa waɗanda ke rage fitarwar fitarwa, daidaitaccen dimming/sarrafawa, inganci da QC a duk wuraren da ba su da ƙarfi, da gefen zafi wanda ke hana flicker fitowa bayan watanni.

Kuna iya rage jimillar farashi ba tare da biyan mafi ƙasƙanci farashin naúrar ba: daidaita ka'idojin sarrafawa (0-10V ko DALI) da wuri, gwada ƙaramin samfura akan ainihin dimmers/masu sarrafawa kafin ba da ƙarar, kuma suna buƙatar ƙaddamarwa waɗanda suka haɗa da bayanan flicker maimakon yaren talla.

Tuta ja: 'free flicker' ba tare da ma'aunin ƙididdiga ba, babu yanayin gwaji, kuma babu lissafin dacewa.

6. Kalmomi huɗu don haɗawa a cikin RFQ ɗinku (don haka dillalai ba za su iya gujewa ba)

Idan kuna son tayin za ku iya kwatantawa, haɗa waɗannan jimlolin a zahiri don haka masu kaya su fahimci irin shaidar da kuke tsammani:

• 'Kaddamar da rahoton da ke nuna aikin direban LED mara kyalkyali a cikin cikakken fitarwa da maɓalli masu raguwa.'

• 'Samar da bayanin dacewa mai dimmer/sarrafa don haxarin daidaitawar LED dimmer , gami da ka'idojin sarrafawa da aka gwada.'

• 'Samar da bayanin wucewa/ gazawa don sharuɗɗan flicker PstLM SVM ƙarƙashin sharuɗɗan gwajin da aka bayyana.'

• 'Samar da bayanin kula da matsala don kasuwancin LED lighting flicker gyare-gyaren nauyi (dan kwangila vs mai lantarki).'

7. Ƙididdigar ƙididdigar ƙaddamarwa za ku iya liƙa a cikin fayil ɗin aiki

• Tabbatar da ƙa'idar dimming direba ta dace da aikin (0-10V/DALI/yanke-lokaci).

• Tabbatar da mai siyarwa yana ba da bayanan flicker (PstLM/SVM ko makamancin haka) a cikakken fitarwa da maɓalli masu raguwa.

• Tabbatar da maƙasudin PF da THD (don shigarwar kasuwanci, PF ≥ 0.90 da THD ≤ 20% makasudin sayayya ne gama gari).

• Gudanar da samfurin akan ainihin kayan sarrafawa da aikin daftarin aiki.

• Idan gyare-gyare da yawa sun yi kyalkyali tare, dakatar da musanya fitilun kuma haura zuwa duba da'ira/fali.

8. Matakai na gaba

Idan kuna shirya RFQ don kayan aikin kasuwanci na cikin gida kuma kuna son guje wa sake yin aikin da ke da alaƙa, KEOU Lighting zai iya taimaka muku fassara buƙatun aikin ku zuwa saitin karɓar buƙatun direba + dimming + flicker, sannan inganta shi akan samfuran.

Fara da lissafin kayan ku da hanyar sarrafawa (0-10V, DALI, ko wani). Idan kuma kuna samun fitilun ƙasa, duba KEOU's downlight buying tips.