Weligaa ma eegtay iftiinka yar ee ifaya ee LED oo ma la yaabtay sida uu u shaqeeyo? Waa maxay sababta ay u leedahay dhalaal joogto ah oo aanay dhaqso u gubin? Waa maxay sababta LED-yada qaarkood ay u iftiimaan kuwa kalena dhaqso u dhalaalayaan? Dhammaan su'aalahan waxay ku soo degaan nooca darawalka LED-ka ee la isticmaalo.

Nalalka LED-yada (Diodeyaasha Iftiinka Emitting) waa nooc ka mid ah tignoolajiyada nalka oo wax ku ool ah, waarta, oo cimri dheer. Waxay u baahan yihiin darawalka LED-ka inuu si sax ah u shaqeeyo iyo awooddooda buuxda. Maqaalkani waxa uu dhex geli doonaa adduunka darawaliinta LED-ka, gaar ahaan kuwa Dareewalada LED-ka ee Joogtada ah ee Joogtada ah iyo Joogtada ah, oo kaa caawin doona inaad fahamto midka ku habboon baahiyahaaga iftiinka.

Haddii aad xiisaynayso LED-yada ama aad leedahay mashruuc ku lug leh nalalka LED-ka, akhri si aad u fahamto qaybahan muhiimka ah si dhammaystiran.

I. Horudhac

Hordhac Kooban oo LEDs

Diodes Iftiiminaya or Kokes waa aaladaha semiconductor ee siida iftiinka marka uu korontodu dhex maro. Waxay caan ku yihiin hawlkarnimadooda iyo cimrigooda, taasoo ka dhigaysa inay caan ku yihiin codsiyada iftiinka kala duwan, laga bilaabo nalka guriga ilaa calaamadaha taraafigga iyo xitaa shaashadaha dhijitaalka ah.

Sharaxaada baahida loo qabo darawalada LED

Iyadoo wax ku ool ah oo wax ku ool ah, LED-yadu waxay u shaqeeyaan si ka duwan nalalka iftiinka ama nalalka dhaadheer. Waxay u baahan yihiin xaalado gaar ah oo hadda jira iyo korantada si ay si wax ku ool ah u shaqeeyaan, taas oo darawalka LED uu fududeeyo.

Dareewal la'aan, LED-ku wuxuu noqon karaa mid aad u kulul oo aan degganayn, taasoo u horseedaysa waxqabad hooseeya, iftiin aan sinnayn, ama xitaa gubasho. Sidaa darteed, darawalka LED-ku waa qayb muhiim ah oo ka mid ah nidaam kasta oo LED ah.

II. Fahamka Darawalada LED

Qeexida darawalka LED

An Darawalka LED-ka waa koronto iskiis u shaqeysa oo nidaamisa awooda looga baahan yahay LED ama xarig (array) ee LEDs. Waxay hubisaa in LED-yadu ay ku shaqeeyaan shuruudahooda cayiman.

Doorka iyo Muhiimadda Darawalada LED-ka ee Nidaamyada Iftiinka LED

Darawalada LED-ku waxay door muhiim ah ka ciyaaraan nidaamyada iftiinka LED. Waxay ilaalinayaan dheelitirka hadda iyo korantada, taas oo muhiim u ah ka hortagga LED-yada waxyeellada kuleylka iyo si loo hubiyo inay ku shaqeeyaan waxtarkooda ugu sarreeya.

La'aanteed darawal ku habboon LED-yada, LED-yadu waxay u nugul yihiin isbedbedelka sahayda korontada, taasoo keenta dhalaal aan is-waafaqayn, isbeddel midab ah, liidasho, iyo dhaawac iman kara. Sidaa daraadeed, darawal wanaagsan oo LED ah ayaa udub dhexaad u ah cimri dhererka iyo waxqabadka nidaamka nalalka LED kasta.

III. Dareewalada LED-ka ee Joogtada ah

Sharaxaada Dareewalada LED-ka ee Joogtada ah

A Dareewalka LED-ka ee Joogtada ah wuxuu nidaamiyaa wax soo saarka hadda, isagoo si joogto ah u ilaalinaya iyada oo aan loo eegin isbeddelka korantada wax gelinta ama culeyska. Tilmaamahan ayaa muhiim u ah tamarta LED-yada maadaama ay u baahan yihiin qulqul joogto ah si ay si sax ah ugu shaqeeyaan.

Sida Darawalada LED-ka ee Joogtada ah u shaqeeyaan

Dareewalka Joogtada ah ee Joogtada ah wuxuu hagaajiyaa tamarta guud ahaan wax soo saarka si uu u ilaaliyo socodka joogtada ah ee hadda jira. Haddii caabbinta LED-ka oo dhan ay korodho sababtoo ah isbeddelada heerkulka ama arrimo kale, darawalku wuxuu yareeyaa tamarta wax soo saarka si uu u ilaaliyo joogtada ah hadda.

Fikradda ka cararka kulaylka iyo sida joogtada ah ee darawalada LED-yada ay uga hortagaan

Ka cararka kulaylka waa arrin suurtagal ah oo leh LED-yada. Waxay dhacdaa marka heerkulka kororka uu keeno kororka hadda, taasoo keenta LED-ku inuu sii kululaado, taasoo keenta wareeg burbur ah oo ugu dambeyntii dhaawici kara LED-ka.

Dareewalada joogtada ah ayaa tan ka hortagaya iyaga oo ilaalinaya hadda deggan inkastoo heerkulku isbeddelayo, si wax ku ool ah u yareynaya khatarta ka cararka kulaylka. 

Faa'iidooyinka Isticmaalka Wadayaasha LED-ka ee Joogtada ah

Dareewalada Joogtada ah ee Joogtada ah waxay xaqiijiyaan dhalaal joogto ah dhammaan LED-yada ku xiran taxanaha, iyagoo kor u qaadaya isku-duubnida muuqaalka guud. Waxay sidoo kale wax ku ool u yihiin ka fogaanshaha gubashada LED-ka ama kuleylka kuleylka.

Dib-u-dhacyo ama xaddidaadyo suurtagal ah

In kasta oo ay jiraan faa'iidooyinkooda, darawallada Joogtada ah ayaa laga yaabaa in ay leeyihiin xaddidaadyo. Tusaale ahaan, waxay u baahan yihiin iswaafajin sax ah oo la socota shuruudaha LED-ka ee hadda jira waxayna guud ahaan ka qaalisan yihiin wadayaasha Voltage-ka joogtada ah.

IV. Dareewalada Korantada Joogtada ah ee LED

Sharaxaadda Wadayaasha Korantada Joogtada ah ee LED

A Dareewalka Voltage Constant LED wuxuu ilaaliyaa danab go'an iyadoon loo eegin rarka rarka hadda. Tan waxaa badanaa loo isticmaalaa nidaamyada LED-yada ee horeyba ugu qalabaysan resistors ama kontoroolka hadda jira ee dusha sare, sida Nalalka laydhka LED.

Sida Darawalada Korantada Joogtada ah ee LED-ku u shaqeeyaan

Dareewal Voltage-ka Joogtada ah wuxuu ku hayaa isla koronto inta uu soo saarayo, iyadoon loo eegin culayska hadda jira. Tani waxay si gaar ah faa'iido u leedahay marka la shido LEDs badan oo isku mid ah.

Faa'iidooyinka Isticmaalka Wadayaasha Korantada Joogtada ah ee LED

Dareewalada Voltage-ka joogtada ah waxay yaqaanaan naqshadeynta iyo rakibidda injineerada, taas oo fududeyn karta habka dejinta. Waxay awood u leeyihiin inay hoos u dhigaan qiimaha codsiyada baaxadda weyn sababtoo ah naqshadooda tooska ah.

Dib-u-dhacyo ama xaddidaadyo suurtagal ah

Mid ka mid ah xaddidaadda ugu weyn ee darawallada Voltage-ka joogtada ah waa ku tiirsanaanta qaybo dheeraad ah oo loogu talagalay xakamaynta hadda ee qayb kasta oo LED ah. Tani waxay ka dhigi kartaa nidaamka mid adag oo suurtagal ah in aan la isku halayn karin mustaqbalka fog.

Tusaalooyinka Codsiyada

Codsiyada caadiga ah ee darawalada Voltage-ka joogtada ah waxaa ka mid ah nalalka golaha hoose iyo codsiyada xariijinta dabacsanaanta LED halkaasoo LEDs badan ay si isbarbar ah ugu xiran yihiin.

V. Isbarbardhigga u dhexeeya Wadayaasha LED-yada Joogtada ah ee Joogtada ah iyo Joogtada ah

Jadwalka soo socdaa wuxuu muujinayaa kala duwanaanshaha muhiimka ah ee udhaxeeya darawalada Joogtada ah ee Joogtada ah iyo Constant Voltage LED:

Doorashada labada u dhaxaysa waxay ku xiran tahay codsiga gaarka ah. Darawalada Joogtada ah ee Joogtada ah ayaa inta badan doorbida LED-yada awooda sare leh, halkaas oo maaraynta kulaylku ay muhiim u tahay. Dhanka kale, darawalada Voltage-ka joogtada ah waxaa loo isticmaalaa alaabada LED-yada leh LEDs badan oo la isku daray, sida nalalka LED-yada, xargaha LED-ka, iyo baararka LED.

VI. Doorashada Darawalka saxda ah ee LED

Waxyaalaha ay tahay in la tixgeliyo marka la dooranayo inta u dhaxaysa wadayaasha LED-yada joogtada ah iyo kuwa joogtada ah

Doorashada darawalka saxda ah ee LED waxay kuxirantahay arrimo kala duwan, oo ay ku jiraan LED-yada gaarka ah ama shuruudaha korantada ee array, tirada iyo habaynta LEDs ee nidaamka (taxane ama isbarbar socda), iyo xaaladaha awooda deegaankaaga.

Talooyin ku saabsan doorashada darawalka LED-ka saxda ah ee codsiyada gaarka ah

Dareewalka Voltage-ka joogtada ah ayaa loo baahan yahay haddii LED-ga ama array ay sheegaan danab gaar ah. Si kastaba ha ahaatee, haddii aad la shaqaynayso LED-yada tamarta sare leh, darawalka Joogtada ah ee Joogtada ah ayaa faa'iido u leh inuu ka hortago kuleylka kuleylka iyo inuu hubiyo iftiin joogto ah.

Tixraac tilmaamaha soo-saaraha oo la tasho xirfad-yaqaanka iftiinka haddii aad u baahan tahay caddayn.

VII. FAQs

VIII. Gabagabo

Dareewalada LED-yada, hadday tahay Constant Current ama Constant Voltage, waxay door muhiim ah ka ciyaaraan ilaalinta waxqabadka iyo cimriga LED-yadaada. Iyadoo labaduba ay leeyihiin faa'iidooyinkooda iyo xaddidaaddooda, doorashadaadu waa inay ku saleysan tahay shuruudaha gaarka ah ee nidaamka LED-gaaga.