Sei tambo dzedu dzemwenje dze LED dzisingabatidzi? Kuongorora musimboti we tekinoroji yekutyaira isingabatidzi

I. Nhanganyaya: Njodzi Dzisina Kuonekwa Dzekupenya Uye Marwadzo Akanyanya Evashandisi
1.1Chii chinoita kuti mwenje ye LED itsvedzerere?
Flicker inoreva chiitiko apo kupenya kwechiedza che LED kunochinja-chinja nekukurumidza uye nguva nenguva nekufamba kwenguva. Hunhu hwayo ichiedza chinochinja-chinja uye rima rinokonzerwa ne driving current isina kugadzikana. Kuchinja-chinja uku kunogona kusaonekwa neziso rega rega kana kuti kunogona kuoneka sekupenya kwakasiyana. Sekureva kweInternational Commission on Illumination (CIE) TN 006-2016 standard, kana frequency yekupenya ichidarika 125Hz, ziso remunhu rinowanzo tadza kuiona, asi kupenya kwakavanzika kunogona kuramba kuine mhedzisiro yakaipa.

1.2 Njodzi Dzinogona Kuitika Dzemhedzisiro yeStroboscopic Pahupenyu Nehutano
Kupenya-mhanya zvishoma (100Hz – 120Hz) kunogona kukonzera kuneta kwemaziso, musoro, maziso akaoma nezvimwe zvinonetsa. Kuona izvi kwenguva refu kunowedzera mutoro pamaziso. Kupenya-mhanya zvakanyanya (>1kHz), kunyange zvazvo kusingaonekwe neziso rega rega, kunogona kukonzera mitsetse nemabhandi matema panguva yekupfura nekukurumidza, uye kunogonawo kukanganisa rhythm yemuviri, kudzivirira kuburitswa kwemelatonin, uye kukanganisa kunaka kwekurara. Kune vanhu vane photosensitivity, kupenya-mhanya zvishoma kunogonawo kuwedzera njodzi yekubatwa nepfari. Kune vana, kuona kwenguva refu kunogona kukurumidzisa kufambira mberi kwemyopia.

1.3 Sei mitsetse mizhinji yechiedza iine dambudziko rekudzima-dzima?
Matanho mazhinji emwenje e LED ari pamusika ane njodzi yekudzima. Zvikonzero zvikuru zvinogona kupfupikiswa muzvikamu zvitatu: Chekutanga, kudzora mutengo. Zvigadzirwa zvisina kunaka zvinoderedza huwandu hwema filter capacitors uye zvinoshandisa ma driving chips akachipa, asingakwanise kudzvinyirira ma voltage ripples; Chechipiri, kusaenderana zvakanaka nekudzima. Ma frequency echinyakare ePWM dimming akaderera zvakanyanya, kunyanya mumamiriro ezvinhu asina kujeka zvakanyanya, zvichikonzera kudzima pachena; Chechitatu, zvikanganiso zvekugadzira. Simba remagetsi ne light strip hazvina kuenderana zvakanaka, uye kurasikirwa kwe voltage kwetambo refu hakubhadharwi, zvichikonzera kusagadzikana kwe current.

II. Kuongorora Kwepakati: Zvikonzero Zvikuru zveKupenya kweChiedza che LED
2.1 Kusagadzikana kweMagetsi: Chikonzero Chikuru Chekupenya
Kupenya kwe LED kunodzorwa zvizere ne driving current. Kana paine kuchinja kwe current, kubuda kwechiedza kunochinja zvachose. Mazhinji ma LED light strips anoda kushandura 220V AC mains power kuita 12V/24V DC power supply. Kana dhizaini ye rectification, filtering, uye constant current control sections isina kukwana, ichaita kuti current fluctuation iite, uye zvichizokonzera kudzima.

2.2 Mhando mbiri dzeKupenya Kwakajairika uye Zvikonzero Zvadzo
Kudzima kwemafrequency mashoma (100Hz - 120Hz): Izvi zvinonyanya kukonzerwa nekusakwana kwekusefa kwevoltage ripple mushure mekugadziriswa, nezvikamu zveAC zvakasara zvichikonzera kushanduka-shanduka kwemagetsi. Izvi zvinowanzoonekwa mumagetsi akachipa asina macapacitor emagetsi kana asina capacitance yakakwana. Kugara kwenguva refu mumagetsi akadaro kunogona kukonzera kuneta.
Kupenya kwemhepo kwakanyanya (>1kHz): Izvi zvinowanzoitika muzviitiko zvePWM dimming. Kunyangwe masaini ePWM ane frequency yakaderera (<200Hz) dzisingaonekwe nemaziso anogona kuratidza matambudziko panguva yekupfura. Zvimwe zvigadzirwa zvinogonawo kukonzera ruzha nekuda kwekupindirana kweharmonic, zvichiwedzera kupenya kwechiedza.

2.3 Zvimwe Zvinokonzera Kukanganiswa
Kunze kwematambudziko ekufambisa magetsi, kureba kwetambo, kuenderana kwesystem yekudzima magetsi, uye kupindirana kwemagetsi (EMC) zvinogonawo kukonzera kupenya. Semuenzaniso, kana tambo dzemwenje dze12V dzikapfuura mamita mashanu pasina muripo wemagetsi, dhiraivha yemagetsi inogara ichichinja ichava isina kugadzikana nekuda kwekurasikirwa nemagetsi; vanodzora magetsi vasina njere havana mabasa ekudzima magetsi akawanda, izvo zvinogona kukonzera kusawirirana netambo dzemwenje.

III. Kubudirira Kwetekinoroji: Mhinduro Yedu Yekutanga yeDhiraivha Isina Kupenya
3.1 Nheyo Yekutanga: Chinhu chikuru chekuti hapana kupenya ndechekuti "magetsi anoramba akasimba + mafungu akachena"
Kushanda kwechokwadi kusina kupenya hakungowedzeri frequency yekupenya chete. Pane kudaro, kunoita izvi kuburikidza nekugadzirisa hardware uye kudzora algorithm, zvichiita kuti driving current ibude zvakanaka, nokudaro ichichengetedza waveform yemagetsi yakatsetseka pasina kuchinja kukuru. Panguva imwe chete, inofunga nezvekushanda kwechiedza, kushanda zvakanaka kwesimba, uye mwero wekubatana kwemagetsi. Izvi zvinoda kufambira mberi mumabasa akasiyana-siyana ehunyanzvi.

3.2 Kugadzirisa Hardware: Kudzivisa Kupenya Panobva
3.2.1 Kusarudzwa kweMachipisi Ekutyaira Ane Hunhu Hwakanaka
Nekushandisa machipisi ekutonga emagetsi asingaperi anoshanda zvakanyanya akadai seTI TPS92662, pamwe chete neBuck/Flyback step-up/down topology structure, kutonga kwemagetsi asingasviki 1% kunowanikwa. Chiyero chekudzvinyirira kwemagetsi anodarika 60dB, zvichiita kuti magetsi abude akasimba uye asina kukanganiswa. Panguva imwe chete, dunhu rekugadzirisa mhinduro rinosanganisirwa kuti ritarise shanduko dzemagetsi munguva chaiyo uye ridzorere kushanduka kwemagetsi uye kuchinja kwemutoro.

3.2.2 Kugadziriswa Kwakasimbiswa Kwekusefa uye Kuchengetedza Simba
Pamugumo wemagetsi, capacitor yemagetsi ine voltage yakawanda inogadzirwa. Pamugumo wemagetsi, capacitor yemagetsi ine frequency yakawanda inosanganiswa pamwe chete. Network yekusefa miviri inonyatso gadzirisa voltage ripple uye inodzivirira kusaririra kwezvikamu zveAC. Nezvenyaya yehupenyu hwecapacitor, ma capacitor emagetsi ane hupenyu hurefu anosarudzwa, uye marongerwo edunhu anogadziriswa kuti aenzane kugona kwecapacitor uye huwandu hwechigadzirwa. Izvi zvinovimbisa mhedzisiro yekusefa uku uchiwedzera hupenyu hwese.

3.2.3 Module yeChitubu cheChiedza uye Dhizaini yeDunhu
Nekushandisa chimiro che "hybrid light source" che "first parallel then series", dambudziko rekusaenzana kwemutoro unokonzerwa nekukanganisa kwe forward conduction voltage (VF) yema LED light beads rinogadziriswa. Izvi zvinodzivirira kushanduka kwechiedza chemuno. Mudunhu, ma diode ekukurumidza kupora uye varistors zvakabatana mu series kudzvinyirira ma surge voltages uye electromagnetic interference, zvichiwedzera kuvandudza kugadzikana kwemagetsi uye kusangana nezvinodiwa zveEMC standards.

3.3 Kuvandudzwa kwetekinoroji yekudzima chiedza: Kuenzanisa zviitiko zvisina kudzima uye zvisingadzime
3.3.1 Hurongwa hweHybrid hweHigh-Frequency PWM uye Linear Dimming
Inoshandisa tekinoroji yekudzimisa chiedza ye>3kHz high-frequency PWM, inoenderana neDMX512 protocol. Kunyangwe mune zviitiko zvechiedza chakaderera zviri pasi pe30%, hapana kudzima. Panguva imwe chete, inobatanidza kudzima chiedza kwemutsetse (Analog Dimming). Nekugadzirisa kukosha kwemagetsi nguva dzose, kupenya kunogona kuchinjwa, kudzivirira njodzi dzinogona kuitika dze switch waveform mukudzimisa kwechinyakare kwePWM, uye kuwana switching isina kudzima chiedza mumhando yese yekupenya.

3.3.2 Kugadzirisa Kuenderana kweSmart Dimming
Inoenderana nemaprotocol ekudzima kwedhijitari akadai seDALI ne0-10V. Ine algorithm yekuziva yakangwara mukati iyo inogona kugadzirisa otomatiki maparameter ekudzima zvichienderana nevanodzora vakasiyana kudzivirira kusawirirana. Inoparadzanisa nzira dzakazvimirira dzeRGBW kuderedza kupindirana kwechiratidzo chePWM uye kubvisa dambudziko re harmonic resonance kana mavara akawanda echiedza akaiswa pamusoro.

3.4 Dziviriro yedanho reSisitimu: Kuvimbiswa Kwakazara Kwekugadzikana Muzviitiko Zvese
3.4.1 Kubhadhariswa kweVoltage uye Kugadziriswa kweKupa Kwemagetsi Kwemitsetse Mirefu
Pakushandisa tambo refu, mhinduro yemagetsi yakajairika inogadzirwa: pamitsetse yemwenje ye12V, poindi yekuisa simba inoiswa pamamita mashanu ega ega; pamitsetse yemwenje ye24V, simba rekuwedzera rinopihwa pamamita gumi ega ega kuti ritsive kurasikirwa kwevoltage uye kuve nechokwadi chekuti magetsi akafanana mukati memitsetse yese yemwenje. Module yekudzora ine ma resistors anogadziriswa uye ma capacitors, ayo anogona kugadzirisa simba zvichienderana nemamiriro emutoro uye kuwana simba rakagadzikana nePF > 0.7.

3.4.2 Dhizaini yeKuenderana kweMagetsi (EMC)
Nekugadzirisa marongerwo ecircuit uye kugadzirisa mafirita e common-mode/differential-mode akaenzana, mhedzisiro yekusefa inowedzerwa ukuwo ichidzivirira kuiswa kwemamwe ma ripples nekuda kwekukanganiswa kwe electromagnetic. Izvi zvinozadzisa zvinangwa zviviri zvekubvisa kupenya uye kusangana neEMC standards, kugadzirisa dambudziko rehunyanzvi re "kusaenzana pakati pekusefa uye mhinduro inoshanduka" muindasitiri.

IV. Kuwanikwa uye Kusimbiswa: Humbowo Husingaperi hweHunhu Husina Kupenya
4.1 Maitiro eNyanzvi dzeKuedza uye Zviratidzo
Tevedzerai zvakanyanya mwero weIEEE Std 1789-2015 kuti muve nechokwadi chekuti chikamu chekutsvedza chiri pasi pe5% uye indekisi yekutsvedza iri pasi pe0.05, inova yepamusoro kupfuura mwero wekuchengetedza weindasitiri. Batch yega yega yezvigadzirwa yapasa TÜV non-flicker certification uye IEC/TR 61547-1 electromagnetic compatibility certification, ichidzora mhando kubva kwainobva.

4.2 Maitiro Ekuongorora Katatu
Danho reR&D: Shandisa oscilloscope kuyedza mafambiro emagetsi ari kutenderera, kuona matambudziko akavanzwa akadai se100Hz ripple, uye kuona kuti mafambiro emagetsi ari kutenderera akagadzikana; Danho rekugadzira: Shandisa mwenje we strobe kuti uone huwandu hwe strobing uye flicker index, uye ramba chero zvigadzirwa zvisingaenderane zvakananga; Danho refekitori: Muenzaniso wekuyedzwa kwekupfura mafoni kuti uve nechokwadi chekuti hapana mitsetse yekupfura, mabhandi erima, nezvimwewo.

4.3 Vashandisi vanogona kusimbisa nzira yacho vega
Nzira yekamera yefoni: Batidza nzira yemavhidhiyo inononoka yefoni wobva watarisa pane light strip. Kana pasina mitsetse mitema nechena zviri pachena, zvinoratidza kuti hapana kupenya kuri pachena. Nzira yeruzivo rwenguva refu: Shandisa nguva dzose kwemaawa anopfuura matatu pasina kuneta kwemaziso kana zviratidzo zvemusoro, izvo zvinosangana nezvinodiwa zvechiedza chine hutano.

V. Mabhenefiti eChigadzirwa: Kukosha kweTekinoroji Isina Flash
5.1 Dziviriro Yehutano: Yakakodzera Vanhu Vese
Pasina chiedza chinopenya, inodzivirira kuneta kwemaziso nemusoro, nezvimwewo, uye yakakodzera mamiriro ezvinhu akadai sekudzidzira kwevana nemwenje yemuhofisi, pamwe nekugara kwevakwegura. Panguva imwe chete, inobvisa njodzi yekukonzera pfari inonzwa chiedza, ichipa nzvimbo yakachengeteka yechiedza kumapoka anonzwa.

5.2 Kugadziriswa Kwehunyanzvi: Kusangana nezvinodiwa zvekutora mifananidzo uye mamiriro ezvinhu akakosha
Hapana chinopenya chakavanzika chine ruzha rwakawanda. Muzviitiko zvakaita sekutora mifananidzo, kutepfenyura mhenyu, uye mwenje wekuratidzira, zvinogona kudzivirira lenzi kutora mitsetse kana mabhandi matema, zvichiita kuti mufananidzo uve wakanaka; kupenya kwakazara hakuna chinopenya, uye kwakakodzera zvinodiwa zvakasiyana-siyana zvakaita sekudzimwa kwemhepo uye mwenje wehusiku.

5.3 Kugadzikana Kwenguva Refu: Kuwedzera Nguva Yehupenyu Hwechigadzirwa
Simba remagetsi rinodzikisa kushandiswa kwesimba rema LED lamp beads. Pamwe chete nema driver chips nema capacitor anorarama kwenguva refu, hupenyu hwebasa rechigadzirwa hunowedzerwa neanopfuura 30% zvichienzaniswa ne light strips dzakajairika. Kubhadhariswa kwevoltage uye dhizaini yekudzivirira kukanganiswa kunoita kuti chikwanise kushandiswa ne wire installations dzine hurefu hwemamita mashanu kusvika makumi maviri, zvichizadzisa zvinodiwa zvekushongedza nzvimbo hombe.

Kusavapo kwechiedza chinopenya mu LED light strips hakusi kungobatanidzwa kwehardware chete; imhedzisiro yekubudirira kukuru kwetekinoroji kunosanganisira power topology, filtering networks, dimming control, uye electromagnetic compatibility. Isu tinoramba nguva dzose kubvumirana nemutengo uye tinopa vashandisi "zvisingaonekwe nemaziso, zvinosangana nezvinodiwa kuti zvionekwe, uye zvinochinjika zvizere kune akasiyana mamiriro ezvinhu" LED light strips pasina chinopenya, tichiona kuti chiedza chega chega chinonakidza uye chine hutano.
Kana muine matambudziko ekudzima-dzima panguva yekushongedza imba kana mwenje wekutengesa, ndapota inzwa wakasununguka kuigadzirisa.bvunzatimu yedu yehunyanzvi kuti tiwane mhinduro dzemwenje dzisingatsvedzeri.

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