Izici zokukhetha nokuxhumeka kokunikezwa kwamandla kumugqa we-LED

Ukunikezwa kwamandla komugqa we-LED kuyisici esibaluleke kakhulu sokuhlela ukukhanya okusebenzayo. Udinga ukuzijwayeza ngesimiso sokusebenza kwayo kanye nenqubo eyinhloko yokukhetha, futhi ufunde indlela yokuxhuma kahle idivayisi emgqeni we-LED. Lawa kanye namanye amaphuzu abalulekile kuxoxwa ngawo esihlokweni.

Izidingo ezijwayelekile zedivayisi

Ama-LED angamadivayisi asebenzayo futhi athembekile. Abakhiqizi baqinisekisa impilo ende yesevisi yalawa madivayisi – amahora ayizinkulungwane ezingu-50 noma ngaphezulu. Lokhu kusho ukuthi amandla kagesi kubo kufanele asebenze isikhathi eside futhi enokwethenjelwa. Izidingo eziyinhloko zalawa madivayisi:

• Ukuphumelela Kwamandla . Ukukhiqizwa kwama-LED ngokuyinhloko ukwethulwa kobuchwepheshe bokonga amandla. Ukugcina ukusebenza kahle kohlelo lokukhanyisa kwe-LED, ukunikezwa kwamandla kumele futhi kube nokusebenza okwanele.
• Ukuhambisana kwe-electromagnetic . Ukunikezwa kwamandla esibani se-LED, empeleni, kuwukuphela komthombo wokuphazanyiswa kwe-electromagnetic. Kuya ngokuthi iyiphi imingcele yokukhiqiza ezoba nayo, lezi kuzoba yizinkomba zokuhambisana okujwayelekile kwe-electromagnetic kwesibani.
• Ukuphepha kukagesi . Ukuphepha kukagesi kwesistimu yokukhanyisa i-LED kuncike ngokuphelele ekutheni umklamo wokunikezwa kwamandla uphephile kangakanani kulokhu, ngoba yiyona kuphela idivayisi lapho ugesi we-220V uxhunywe khona. Idivayisi kufanele ivikelwe ngokuthembekile kumasekethe amafushane kanye nokushisa ngokweqile.
• Ukuziphatha kokuphakelwa kwamandla . Imingcele yokukhanyisa izibani ze-LED ithintwa yizici zamanje ezidlula ku-LED. Uma iguquguquka ngesikhathi noma i-pulsating, akufanele uthembele ekukhanyeni kwekhwalithi ephezulu.

Imibandela yokuzikhethela

Ukukhethwa kwedivayisi kufanele kuphathwe ngokucophelela, kugxile kubakhiqizi abathembekile. Amadivayisi angabizi, asezingeni eliphansi angagcina ebiza futhi adale izinkinga zomsindo wemvamisa ephezulu eziphazamisa ezinye izisetshenziswa. Lapho uthenga, kubalulekile ukwazi amandla aphelele azo zonke izingxenye ze-tape (i-voltage iyaziwa – i-volts engu-12), ukukhetha ngokunembile ukuklama nohlobo lwesistimu yokupholisa, futhi unake imingcele engezansi.

Indlela yokuguqula i-voltage

Lesi silungiselelo sincike ohlotsheni lwedivayisi:

• Izimpahla zamandla e-Transformer zithembekile futhi zinesekhethi elula. I-transformer iguqula ama-volts angu-220 kuya ku-12 ngefrikhwensi eyodwa. Ngosizo lwe-rectifier, umsinga we-sinusoidal uguqulwa ube oqondile. Phakathi kokungalungi: isisindo esikhulu nesisindayo, izindleko ezibonakalayo ezibonakalayo ekukhiqizeni, ukusebenza kahle kabi.
• Ukushintsha izinsiza zikagesi azinayo yonke le mibi. Zihlukaniswa ngentengo ephansi, ukusebenza kahle okungaba ngu-100%, ukumelana nokuguquguquka kwe-voltage. Kodwa-ke, amabhlogo anjalo anohlelo oluyinkimbinkimbi, futhi umklamo ngokwawo, uma kwenzeka ukwehluleka, cishe awukwazi ukulungiswa.

Isistimu yokupholisa

Ingasebenza noma yenzeke. Esimweni sokuqala, ukupholisa kwenzeka ngosizo lwe-fan, okwesibili, ukushisa ngokweqile kususwa ngokwemvelo.

Uma amandla we-tape amancane, akufanelekile ukuthenga ukunikezwa kwamandla nge-fan. Izodala umsindo ongadingekile futhi idinga ukulungiswa njalo.

Ukubulawa

Izinsiza zikagesi yilezi:

• Vula (ngaphakathi) . Ukufakwa kwabo, indawo yokuhlala eyomile, kanye namakamelo anomoya omuhle afaneleka kakhulu.
• Ngekesi elivaliwe . Ngokuvamile zifakwa lapho ukushaqeka noma ukudlidliza kwenzeka ngesikhathi sokusebenza.
• Ngezindlu ezivaliwe . Kule nguqulo, zifanele izimo lapho umswakama uphezulu.

Uhlobo olukhethwe kahle lwedivayisi luzokwandisa impilo yesistimu yokukhanyisa.

I-voltage yokuphumayo

I-strip ye-LED ingaba ne-voltage engu-12, 24, 36 volts, elawulwa yi-SPI – 5 volts. Lezi zici kufanele zikhonjiswe edivayisini ngokwayo, kanye nasephaketheni. I-voltage yomthombo wokukhanya kanye ne-voltage ephumayo ye-PSU kufanele ihambisane. Lapho kudayiswa kukhona izinsiza zikagesi ezifakelwe ukulungiswa kwe-voltage ebushelelezi lapho kuphuma khona. Zisebenza ngempumelelo lapho isinxephezelo se-voltage noma i-voltage engajwayelekile idingeka ezintanjeni ezinde. Uma udinga ukunika amandla imithombo enama-voltage ahlukene, ukukhetha okungcono kakhulu kungaba ukuthenga ugesi ofakwe i-channel complex, ngayinye yazo iletha i-voltage ehlukile.

Amandla

Kunqunywa i-voltage nobude bemitha engu-1 (izinkomba kufanele zande). I-voltage ingatholakala emaphaketheni, futhi ubude bukhethwa ngumsebenzisi. Ukusebenza okuvamile kwe-tape, izinkomba ezitholiwe zidinga ukukhushulwa ngesilinganiso sama-40% – lokhu kuzoba indawo yokugcina amandla. Ake sibheke isibonelo. Kumitha ngayinye yomugqa we-LED, kudingeka ama-watts ayi-15. Ukuze uhlele i-backlight, amamitha angu-3 we-tape ayadingeka. Sibala amandla ngokuphindaphinda okulula futhi sithole ama-watts angama-45. Ukwengeza i-margin, sithola ama-watts angu-58.5. (45×1.3). Uma ingekho iyunithi yokuphakela amandla enamandla anjalo, sikhetha inketho eseduze nale nkomba.

Kwenzeka ukuthi amandla amanje kuphela aboniswa emaphaketheni. Amandla kuleli cala anqunywa ngokuphindaphinda ama-volts ngama-amps.

Imisebenzi eyengeziwe

Izimpahla zamandla kagesi eziyi-12 volt yilezi:

• evamile (ikakhulukazi ukudla);
• ifakwe isibali sikhathi;
• ifakwe i-dimmer eyakhelwe ngaphakathi;
• ngesilawuli (i-RGB tape);
• ngesistimu yokulawula kude;
• nge-dimmer kanye nesilawuli kude.

Uma izici ezengeziwe ezengeziwe, ziphakama izindleko zedivayisi.

Izinhlobo zamandla kagesi emigqeni ye-LED

Umthengi unikezwa ukukhethwa okubanzi kwamadivayisi alungele ukusetshenziswa ngokuhlukahluka okuhlukahlukene. Ziyahlukahluka kuye ngezinto ezisetshenzisiwe kanye nezinga lokuvikela isimo sezulu.

Okuvuzayo

Okungabizi, i-12 V, kodwa ama-PSU aziwa kakhulu. Zihloselwe, njengomthetho, ukufakwa kuphela ezindaweni ezivalekile kanye nezimoto. Babhekwa njengabafaneleka kakhulu ukukhwezwa ophahleni bamanga. Amandla wamandla anjalo aphansi – ngaphakathi kwama-watts angama-75. Mayelana nalokhu, kuvame ukudingekile ukufaka izinto eziningi zamandla ekamelweni. I-downside yalezi zixhobo isivikelo esingalungile kumswakama nothuli, ngaphezu kwalokho, azikhangi kakhulu ngokubukeka. [i-id yamagama-ncazo = “okunamathiselwe_113″ align=”aligncenter” wide=”600″]
Ukunikezwa kwamandla kwe-IP20 LED strip engavaliwe[/caption]

Kuvaliwe

Kuwufanelekele kahle umsebenzi wangaphandle, ungesabi umswakama ophezulu nezinye izimo ezimbi. Lezi zinto zisebenza kahle ekukhipheni ukushisa. Icala livalwe kahle, eliqinisekiswa nge-aluminium noma impahla yepulasitiki. Emakamelweni ane-condensate ephezulu, insimbi isetshenziswa kaningi, enamandla amakhulu nokuthembeka, kanye nokushisa okuhle kokushisa. Imishini enjalo inesisindo esikhulu, okuyinto embi kakhulu. [i-id yamagama-ncazo = “okunamathiselwe_112″ align=”aligncenter” wide=”600″]
Ukunikezwa kwamandla we-IP67 angangeni manzi emicu ye-LED[/caption]

Uma ufaka ukukhanya kwe-facade, kungcono ukuthenga izinto zamandla esimweni sensimbi.

Ikesi lepulasitiki liminyene kakhulu, liyakhanga ngokubukeka, futhi linesisindo esincane. Kodwa-ke, ibuye ibe nezithiyo ezibalulekile: ayisusi kahle ukushisa, ilinganiselwe amandla – ayikho ngaphezu kwe-100 W, futhi ibiza kakhulu.

I-semi-hermetic

Isebenza ngezindlela eziningi futhi ingafakwa ngaphakathi nangaphandle. Zibonakala ngezinga lokuvikelwa kwe-IP54. Okuvame ukusetshenziselwa ukukhweza izibani ze-LED ngaphansi kwama-awnings nasemakhishini. [i-id yamagama-ncazo = “okunamathiselwe_114″ align=”aligncenter” wide=”600″]
Ukunikezwa kwamandla abavaleleke kancane emigqeni ye-LED enokuvikelwa kwe-IP54[/caption]

Ixhuma umugqa we-LED ekunikezeni amandla

Inqubo ihlanganisa ukuxazulula amaphuzu amathathu abalulekile:

• ukutholwa kwe-polarity;
• ukukhethwa kwesigaba sezintambo;
• ukukhetha kwe-schema.

Ake sizicabangele ngokuningiliziwe ukuze senze konke ngokushesha futhi ngaphandle kwezinkinga.

I-polarity yokuxhumana

Noma iyiphi i-12-volt power supply ifakwe amatheminali anezimpawu eziphambene “+” kanye “-“. Lapho amatheminali eshintshwa ngezintambo, amakwa ngombala ohlukile. Ngokwengxenye enkulu, ucingo olubomvu luhambisana nokuhlanganisa, kodwa i-minus ingaba nemibala eluhlaza okwesibhakabhaka noma emnyama. Ngendlela efanayo, izintambo zomugqa we-LED zimakwe. Udinga ukuxhuma ngokufanele: plus – to plus, susa – to minus.

Ukukhethwa kwesigaba sezintambo

Isici esihlukile semigqa ye-LED amandla awo aphezulu ku-voltage ephansi. Kungalokhu lapho isidingo somsinga omkhulu sixhunywe khona. Isibonelo, uma isibani se-incandescent esingu-70 W sidinga i-current ye-300 mA, khona-ke umugqa we-LED onamandla afanayo uzodinga i-7 A. Uma uxhuma umugqa we-LED, udinga ukuthatha umthwalo wemfanelo wokukhetha isigaba sezintambo.

Kuyiphutha ukucabanga ukuthi ingxenye yesiphambano kufanele ifane naleyo yezintambo eziphuma kugesi. Lokhu kuholela ekuqhekekeni okusheshayo kwedivayisi yokukhanyisa.

Ukuxhuma itheyiphu ku-PSU, ucingo olunengxenye yesiphambano samamitha-skwele ayi-1.5 kufanelekile impela. mm, njengoba ukusetshenziswa kwamandla emicu ye-LED kuncane kakhulu.

Ukukhetha ukushintsha isifunda

Ukuze ukwenze ngendlela efanele, udinga ukucabangela ubude nohlobo lomugqa we-LED. Ngokuxhunywa kwe-serial, imichilo emincane (ubude obungamamitha ayi-5) ifanele uhlangothi lwamandla. Sixhuma ukuhlanganisa kwedivayisi ye-LED ekuhlanganisweni kwamandla kagesi, kanye nokususa kokususa. Uma unetheyiphu ye- 
RGB , kuzomele ufake isilawuli phakathi kwetheyiphu nokunikezwa kwamandla. Uma kudingekile ukuxhuma imichilo eminingi ye-LED, ubude bayo obuphelele bungaphezu kwamamitha angu-5, isifunda esihambisanayo sisetshenziswa. Namathisela amasegimenti ekunikezeni amandla, kodwa awadingi ukuxhunywa komunye nomunye. I-RGB iyadingeka ekusebenzeni okujwayelekile kwesilawuli esingu-1 ngeteyipu engu-10m ngayinye. Uma amandla evumela, izilawuli ezimbili zingaxhunywa kuyunithi eyodwa ye-12 V. Imininingwane ekuxhumaneni okulungile kwemigqa ye-LED ichazwe ku
lesi sihloko . Buka ividiyo ebonisa indlela yokuxhuma kahle ukunikezwa kwamandla kumugqa we-LED: https://www.youtube.com/watch?v=WA07cYPxYD0

Umehluko phakathi kokunikezwa kwamandla kanye nomshayeli we-LED

Njengomthetho, ngosizo lwe-PSU evamile, i-voltage ezinzile eqhubekayo inikezwa ekuphumeni, okungathinteki ukukhuphuka ku-voltage yamapayipi okufaka kanye nokuguquguquka kokusetshenziswa kwamanje. Ukunikezwa kwamandla kwama-LED ezimweni eziningi kwenziwa ibhulokhi ehlinzeka ngokuqhubekayo kokuphumayo. Kubizwa umshayeli. Ngakho-ke kungaba kuhle ukuthi:

• umthombo wamanje ozinzile – umshayeli;
• umthombo we-voltage njalo – ukunikezwa kwamandla.

Uma usebenzisa umshayeli, asikho isidingo sokwehlisa i-voltage, ngoba ayikho ingozi yokuthi ama-LED azohluleka, ngakho-ke angakwazi ukunikwa amandla ngokugcwele. Uma ukunikezwa kwamandla kusetshenziselwa ama-LED nezakhiwo, iphesenti elithile lamandla lizosetshenziswa ngenqubo yokushisisa izimbangi ezikhawulelayo.

Ukunika amandla ama-LED avela kubashayeli kwandisa impilo yabo yesevisi, ngoba kulokhu okwamanje okwamanje akudluli isilinganiso esiphezulu esivumelekile.

Kumshayeli, kufanele ukhethe ama-LED ngenani elifanele nangamandla adingekayo, njengoba iyisici esiklanyelwe ngokuqondile amandla amanje namandla. Uma abathengi abahlukahlukene befanele i-PSU evamile, ukusetshenziswa komshayeli kunqunyelwe kuma-LED. Zisetshenziswa kakhulu lapho:

• isifunda ngaphandle kokumelana (isibonelo, kuma-diode ahlukene);
• akudingekile ukuthi ngezikhathi ezithile unqamule amanye ama-LED kuwo;
• kungenzeka ukubala ngokuzimela inombolo edingekayo yama-LED nabashayeli.

Izimpahla zamandla zivame ukusetshenziswa uma kukhona ama-LED anezinqamuleli ezakhelwe ngaphakathi, futhi futhi uma ukuvalwa ngezikhathi ezithile kwamanye ama-LED kuyadingeka. Inqubo yokukhetha ukunikezwa kwamandla kwe-strip ye-LED ecatshangelwe esihlokweni izokuvumela ukuthi unqume kahle idivayisi efanele, futhi amathiphu okuyixhuma azokwenza le nqubo ibe lula ngangokunokwenzeka futhi yenze kwenzeke ngaphandle kokubandakanyeka kochwepheshe.