Sofɛrɛw dilanni n’u baarakɛcogo sariyakolo LED lanpanw kama

Bololabaarakɛlaw ye minɛn kɛrɛnkɛrɛnnenw ye minnu bɛ LED lanpanw baara sabatili sabati. Ni u tɛ, diodew tɛ sabati ani u bɛ dɛsɛ joona. An bɛna a dɔn bolifɛntigiw labɛnna cogo min na ani u bɛ baara kɛ cogo min na.

Mun na LED bolila?

LEDw bɛ fanga sɔrɔ kosɛbɛ ani u bɛ mɛn ka tɛmɛ anpuluw kan minnu bɛ yeelen bɔ. U bɛ se ka baara kɛ san caman kɔnɔ ani ka kuran min ta siɲɛ caman ka tɛmɛ anpulu kɔrɔw kan, ni kuran sabatilen bɛ u la, bolifɛntigi de bɛ o baara ɲɛnabɔ.
LEDw bɛ sɛgɛn kosɛbɛ fanga min bɛ di u ka dondaw la. U tɛ siran nafa dɔgɔyali ɲɛ, nka tension ni current (kurunba) cayalen tɛ se ka semiconducteurs (semikondukiri) nafolo dɔgɔya kosɛbɛ dɔrɔn, nka u bɛ se ka u bali fana. Sotigi ka baara ye ka LEDw di ni kuran sabatilen ye. Sofɛrɛ ka ɲɛsin LED lanpanw ma – kuran dilancogo. O ye ɛntɛrinɛti sɛrɛkili ye, min bɔli ye kuran basigilen ye min bɛ nafa dilen dɔ la.

Walasa LED fɛnw ka baara kɛ waati jan kɔnɔ ani ka baara kɛ ka ɲɛ, ka jeni ni yeelen ye ani k’a sɔrɔ u ma wuli, kuran min bɛ o nafa la, o min jiralen bɛ semikɔndukiri fɛn ka fɛɛrɛbɔsɛbɛn kɔnɔ, o ka kan ka tɛmɛ LEDw fɛ.

LED bolifɛn minnu bɛ dilan dilannikɛlaw fɛ, olu dabɔra tension 10, 12, 24, 220 V ani direct currents 350 mA, 700 mA, 1 A. A ka c’a la, bolifɛnw bɛ dilan fɛn kɛrɛnkɛrɛnnenw de kama, nka universel minɛnw fana bɛ feere minnu bɛ bɛn LED- fɛn fanba bɛ bɔ fɛn dɔntaw la. Sisan sabatilifɛnw bɛ kɛ ninnu na:

• nbɛdaw ni so yeelenbɔcogo;
• biro lanpanw minnu bɛ kɛ tabali kan;
• LED strips ani yeelen min bɛ kɛ ka fɛnw masiri.

Bololabaarakɛlaw bɛ LEDw yeelen ni u kulɛri Changer. O bɛ kɛ ni bolokɔniw ye walima ni yɔrɔjan kunnafoni ye. LED lanpan min tɛ ni bolifɛntigi ye, o tɛ sabati, wa a bɛ se ka tiɲɛ joona.

Baarakɛcogo sariyakolo

Voltage (voltage) dɔ bɛ kɛ LED bolibaga ka dondaw la, o bɛ se ka ɲɔgɔn ta. Kuran bɛ tɛmɛ rezisti R1 ni R3 fɛ, ka nafa ɲininen sɔrɔ, ka kondansɛri C1 b’a ka frequency (fɔkan) sigi. Kuran wulilen, ka paramɛtɛrɛw sɔrɔ minnu sigilen don, o bɛ don diode bridge kɔnɔ. Ni tɛmɛna o rectifier in fɛ, current bɛ wuli ka bɔ alternating la ka taa direct la. O tɛmɛnen ‘kɔ, a paramɛtɛrɛw bɛ Labɛn ni rezisti R2 ni R4 ani kondansɛri C2 ye. O cogo la, bɔli sisan paramɛtɛrɛw ka tiɲɛniba bɛ sɔrɔ. Kuran sɛrɛkili ja min bɛ minɛn in na:

Bololabaarakɛlaw suguyaw ka kɛɲɛ ni baarakɛcogo sariya ye

LEDw ka bolifɛnw bɛɛ tilalen don ka kɛ liniyali ni pulse ye. Jɛkulu kelen-kelen bɛɛ n’a ka nafa, a ka dɛsɛ ani a ka ladilikanw don a baaracogo la. Liniyali ni pulse current convertisseur ka ɲɔgɔn sanga:

Liniyali

Ka da ciriw liniyali kan, LED lanpan bolibaga nɔgɔmanw bɛ dabɔ. I n’a fɔ sabatilifɛn, dantigɛlan min bɛ ni rezisti caman ye, o bɛ kɛ. Industri bolibaga la, rezisti ka “motɛri” bɛ mara mɔgɔ fɛ, nka a bɛ mara ɛntɛrinɛti fɛ. Ni tension wulila ka se hakɛ kɔrɔlenw ma, kuran fana bɛ daminɛ ka wuli, wa n’a sera hakɛ la min tɛ se ka sɔn, LED bɛ sumaya kojugu, o kɔfɛ a bɛ tiɲɛ. Circuits complexes (circuits) minnu ka gɛlɛn kosɛbɛ, transistors bɛ Kɛ ka current (kurun) Labɛn. Nafa min bɛ sɛrɛkili liniyali la o ye fanga bɔnɛba ye, bawo ni wulicogo bɛ bonya, a nafa tɛ min na, o bɛ bonya. O nafa kelen bɛ se ka kɛ fo ni lanpanw tɛ minnu fanga ka dɔgɔ. Watt caman LEDw kama, o fɛɛrɛ suguw tɛ bɛn. Nafa minnu bɛ sɔrɔ stabilizasiyɔn liniyali fɛɛrɛ la:

• dilancogo nɔgɔman;
• musaka dɔgɔyali;
• dannaya bɛrɛbɛrɛ (ni doni fanga ka dɔgɔn).

Stabilisateur linéaire: Bamako, Mali.

Pulse (pulse).

Sugandili filanan ye impulsion stabilisation ye. KH butɔni dalen kɔfɛ, kondansa C bɛ charge. Butɔn in ka kontaktiw dabɔlen kɔ, a bɛ daminɛ ka bɔli daminɛ, ka kuran di semikɔndukirikɛlan ma. Switch regulateur nɔgɔman:
Ni condensateur bɛ fanga bɔ, diode bɛ yeelen bɔ. Ni donna tension (donna) ka bon, chargement (sarali) waati bɛ surunya. Ni i ye butɔni digi ani k’a bila, o bɛ kɛnɛya sabati. O baarakɛcogo sariyakolo in bɛ Weele ko pulse-width modulation. Opereli tan ni caman ani hali ba caman bɛ kɛ segin kɔnɔ.

Bololabaarakɛlaw suguyaw ka kɛɲɛ ni dilan suguya ye

LED fɛnw bolibagaw ye ɛntɛrinɛti sɛrɛkili fitinin ye min bɛ lajɛ ka bɔ rezistiw, kondansɛriw ani semiconducteur diodew la minnu bɛ bila pankurun kan. Minɛn minnu bɛ kuran sabati LEDw kama, olu bɛ sɔrɔ cogoya 2 la:

• Kori la. Nin ye sugandi ye min ka ca ni tɔw bɛɛ ye. O minɛn sugu musaka ka bon. A nafa fɔlɔ ye jɔlifɛnw lakanani ye ka bɔ ji ni buguri la.
• Ni farikolo tɛ. U baara bɛ jo sɔrɔ dɔrɔn sigili dogolen na. U sɔngɔ ka dɔgɔn ka tɛmɛ case analogues kan.

Ka kɛɲɛ ni a dilanni ye, fɛn caman tigɛli bɛ tila kulu saba ye.

Ɛntɛrinɛti kan

Elektɔriki sɛgɛsɛgɛlikɛlan kɔnɔ, transistor (transistor) de ka baara ye ka kurunba latilen. A ka baara ye ka control microcircuit (mikoro-circuit de contrôle) jigin. Walasa ka ripple (ripple) nɔgɔya i n’a fɔ a bɛ se ka kɛ cogo min na, kondensatɛri (condensateur) dɔ bɛ sigi circular (circuit) bɔyɔrɔ la.
Elektroniki minɛnw sɔngɔ ka gɛlɛn, nka u bɛ kuran sabati fo ka se 750 mA ma. A ka c’a la, nin suguya in bolibaga labanw bɛ sigi lanpanw kan minnu basigilen ye E27 ye. A nafa fɔlɔw ye ripples ani interference ye high-frequency range la. Ni du kɔnɔ minɛnw, i n’a fɔ arajo, bɛ don sosɛti kelen na ni lanpan ye, o bɛ kɛ sababu ye ka fɛnw tiɲɛ FM frequences la. . Elektroniki bolifɛn ɲuman ka kan ka kɛ ni kondensatɛri fila ye siɲɛ kelen:

• kuran, min bɛ sɔgɔsɔgɔninjɛw nɔgɔya;
• seramiki, min bɛ frequences (fɔkanw) caman jigin.

O faralen ɲɔgɔn kan, o man ca, kɛrɛnkɛrɛnnenya la, Sinuwaw ka bolifɛntigiw la. IC dɔnbagaw bɛ se ka bolifɛntigi ka bɔli paramɛtiriw sɔrɔ ni u ye resistor nafaw Changer. K’a sababu kɛ baarakɛcogo ɲumanba ye – 95% ɲɔgɔn – ɛntɛrinɛti bolifɛnw bɛ kɛ baara suguya caman na (walasa ka mobili LED lanpanw, nbɛdaw ni duw yeelenw baara).

Basigilen bɛ kondansɛriw kan

Bololabaarakɛlaw minnu sinsinnen bɛ kondansɛriw baara kan, olu ka dɔgɔ dɔɔnin. A bɛ se ka fɔ ko budget LED lanpan circular minnu bɛ ni o minɛn suguw ye, olu bɛɛ ka jogo bɛ kelen ye.
K’a sababu kɛ fɛn dilannikɛlaw ye fɛn minnu Changer ka ɲɛsin kuran sɛrɛkiliw ma, fɛn dɔw bɛ se ka bɔ u la. Kɛrɛnkɛrɛnnenya la tuma caman na, u tɛ ni kondensatɛri ye min bɛ ripplew nɔgɔya. Nafa minnu bɛ kondensatɛri bolibagaw la:

• dilancogo nɔgɔman;
• Nafa sɔrɔli bɛ Taa 100% la, bari fanga bɔnɛw bɛ Kɔlɔsi dɔrɔn rezistiw ni semikondukiriw ka ɲɔgɔndanw na.

GOST ka fɔ la, ripple rate min bɛ se ka kɛ, o ye 10-20% ye, wa a bɛ bɔ yeelenbɔlan bɛ baara kɛ so min kɔnɔ, o kuntilenna de la.

Dimmable ye

Dimmer ye minɛn ye min bɛ LEDw yeelen kɔlɔsi. Bi bolifɛntigi caman bɛ o fɛn nafamaw don a kɔnɔ.
Nafa minnu bɛ bolifɛnw na minnu bɛ se ka dimi:

• baarakɛla bɛ yeelen hakɛ sugandi min bɛ lafiya sisan waati in na;
• dimɛ dɔ donli sisan stabilisatɛriw kɔnɔ, o b’a to i bɛ se ka kuran ni LEDw ka ɲɛnamaya bɛɛ ta sɔrɔko siratigɛ la.

Execution sugandiliw:

• Dimi-minɛn bɛ sɔrɔ kuran ni LED lanpan cɛ. O minɛn sugu bɛ kuran min bɛ di LEDw ma, o de kɔlɔsi. A ka c’a la, olu ye pulse-width stabilizers (PWM) ye minnu bɛ kuran hakɛ latilen.
• O minɛn bɛ kuran sɔrɔcogo ɲɛnabɔ. A bɛ sisan latilenni kɛ. Diodew yeelen ni u kulɛri bɛ Changé.

A ka ɲɛnamaya bɛɛ kɔnɔ

Bololabaarakɛla ka baara kɛcogo ɲuman kuntaala bɛ bɔ a jogo ɲuman n’a baarakɛcogo la. Nka hali minɛn min ka ɲi kosɛbɛ, o ka nafolo ka dɔgɔ kosɛbɛ ka tɛmɛ LEDw kan minnu bɛ a la. LED fɛn minnu bɛ bɔ fɛn dɔntaw la, olu bɛ mɛn sanga 100 000 ɲɔgɔn na. Sotigi ka baara waati jateminɛlen:

• jogo dɔgɔya – fo ka se sanga 20000 ma ;
• cɛmancɛ – fo ka se sanga 50 000 ma ;
• sanfɛ – fo ka se sanga 70000 ma .

Ka ɲɛsin fɛn dilanni ni nbɛda ma, a ka ɲi ka bolifɛntigiw ta minnu ka baarakɛ waati jan bɛ yen.

Sisan sabatili waati min bɛ LEDw la, o bɛ nɔ bila kɛnɛmafɛnw de la. Sotigi bɛ se ka dɛsɛ nin kun ninnu na:

• nɛnɛba min bɛ so kɔnɔ, o min tɛ bɛn minɛn lakanani hakɛ ma;
• funteni caman yeli ɲɔgɔn na;
• fiɲɛbɔ man ɲi;
• doni fanga jatebɔcogo jugu.

A ka c’a la, bolifɛntigi bɛ tiɲɛ k’a sababu kɛ kondensatɛri ye – a bɛ dɛsɛ fanga bonya waatiw la rezow kɔnɔ.

Cogo jumɛn na an bɛ se ka bolifɛntigi sugandi?

LED yeelenbɔlan minnu bɛ feere jamana kɔnɔ sugu la, olu fanba dilannen don Sinuwa jamana na, u sɔngɔ man gɛlɛn, wa u tɛ jogo ɲuman ye. Sinuwa LED lanpan bolilaw la, mikrocircuit nafamaw bɛ sɔrɔ tuma caman, a man ɲi ka u san. O minɛn sugu bɛ dɛsɛ joona, wa a ka c’a la, a tɛna se k’a falen ni kura ye walima ka wari segin. Ladilikanw walasa ka LED bolibaga sugandi:

• Aw bɛ sisan sabatililan ta ka fara doni kan.
• Aw ye doni fanga jateminɛ min bɛna don bolifɛntigi la.
• Aw ye aw janto farikolo la. A ka kan ka fanga jira, tension (donni ni bɔli), kuran sabatilen nafa tɔgɔlama, ji ni buguri kunbɛncogo kalasi.

Sofɛrɛ fanga hakɛ min ka bon kosɛbɛ

O bεε bε Bɔ diode (diode) hakɛ la circular (circuit) kɔnɔ ani u doncogo labɛncogo la. A ka kan ka bonya walima ka bɛn kuran sɛrɛkili bloki kelen-kelen bɛɛ ka fanga hakɛ bɛɛ lajɛlen ma. Kuran hakɛ min bɛ jate, o bɛ Labɛn ni fɛnw fanga n’u yeelen ye. Stabilisateur in kun ye ka fanga wajibiyalen di diodew ma. LEDw fanga bɛɛ bɛ Labɛn ni fɛn kelen-kelen bɛɛ ka paramɛtɛrɛw ye, u hakɛ n’u kulɛri. Kuwati hakɛ min bɛ Kɛ, o jate bɛ Kɛ ka Kɛɲɛ ni nin formula in ye: P = PLED x N, N ye diode hakɛ ye sɛrɛkili kɔnɔ, PLED ye diode kelen fanga ye. Nafa tɔgɔlama bɛ ta ni 20-30% ye ka tɛmɛ fanga jatebɔlen kan: Pmax ≥ (1.2..1.3) * P. Fɛnw ka kɛnɛya kulɛri fana bɛ jate. A bɛ nɔ bila bɔli wulicogo la. A bɛ jira ka ɲɛ minɛn kan walima a foroko kan. Misali la, 3W LED saba bɛ yen. O kɔ fɛ, fanga bɛɛ lajɛlen ye watti 9 ye. Sotigi laadilen Pmax = 9 x 1,3 = 11,7 watt.

Sɔngɔ

LED yeelenbɔlanw bolifɛnw bɛ feere kuran feereyɔrɔw la, ɛntɛrinɛti kan, feerekɛyɔrɔw la minnu bɛ arajo yɔrɔw feere. Sanni kɛli ɛntɛrinɛti kan, o de ka dɔgɔn kosɛbɛ.
Sisan sabatilifɛnw sɔngɔ jateminɛlenw:

• DC12V (se 18 W, donna 12 V, bɔli 100-240 V) – 190 rubles;
• LB0138 (6 W, 45 V, 220 V) – 170 bɛ se ka kɛ;
• YW-83590 (21 W, 25-35 V, 200-240 V) – 690 bɛ se ka kɛ;
• LB009 (150 W, 12 V, 170-260 V) – A bɛ se ka kɛ 750 ye.

PT4115 microcircuit – buck convertisseur – bɛ 150 rubles bɔ a kelen na. Fɛn minnu fanga ka bon kosɛbɛ, olu bɛ bɔ 150 na ka se ba caman ma.

Jogo wɛrɛw

Ni aw bɛ bolifɛntigi san, aw ye aw janto nin jogo ninnu na:

• Voltage de sortie. A nafa bɛ bɔ LED hakɛ la yeelenbɔlan kɔnɔ, kuran dilancogo la ani wulicogo jigincogo la semikɔndukiriw kan. Minɛnw bɛ sugu la minnu ka tension bɛ bɔ 2 la ka se 50 V ma ani ka tɛmɛ o kan.
• Rated sisan. A ka kan ka kɛ fɛn ye min bɛ se ka yeelen ɲuman di.
• LED kulɛri. A bɛ nɔ bila tension jigincogo la.

Kuran paramɛtiriw bɛ tali kɛ LEDw kulɛri la:

Ni yeelenbɔyɔrɔ bɛ ni yeelen finman LED saba ye minnu 1 W bɛ ɲɔgɔn na ka tugu ɲɔgɔn na, aw mago bɛna kɛ bolifɛntigi la min ka 9-12 V ka wuli ani a ka kuran ye 350 mA ye. Voltage jigincogo kristalɛ finmanw kan ye 3,3 V. Ni u sirilen don ɲɔgɔn na, voltagew bɛ lajɛ ɲɔgɔn fɛ. A bɛ Kɛ 9,9 V ye, o min bɛ bolifɛntigi ka baarakɛcogo wasa. Ka kɛɲɛ ni fɛn caman sɛgɛsɛgɛli ye, minɛnw bɛ kɛ LED hakɛ dɔ la – kelen, fila walima caman.

Don o don ɲɛnamaya kɔnɔ ani fitolampew kama, a ka fisa ka bolifɛnw ta banaw la. U cɛ ka ɲi ani u lakananen don ka tɛmɛ minnu tɛ karamɔgɔya la.

Misali la, LED bolifɛn minnu bɛ ni 9918c puce ye LED lanpan kɔnɔ, olu bɛnnen don ka lanpanw boli minnu tɛ se ka fiyɛ ani ka fanga dɛmɛ fo ka se 25W ma.

Sofɛrɛ ka jɛɲɔgɔnya

Sotigi ka nɔgɔn kosɛbɛ ka don LEDw la. A fari la, taamaʃyɛnw bɛɛ bɛ yen minnu ka kan. Donan tension dɔ bɛ don donna yɔrɔw la (INPUT), ani LEDw ka sɛrɛ dɔ bɛ don bɔli dakunw na (OUTPUT). A kunba ye ka polarite (polarite) kɔlɔsi.

Donanw ka polarite

Ni bolifɛntigi bɛ fanga sɔrɔ ni tension constant ye, kuran sɔrɔyɔrɔ ka polu pozitif bɛ siri a ka “+” dakun na. Ni aw bɛ AC tension sɔrɔ, aw bɛ aw janto dondaw labeli la. Marka sugandicogo:

• “L” ani “N”. Aw bɛ fasa kɛ ka bɔ “L” la. Aw bɛ se k’a sɔrɔ ni kuran sɔgɔlan kɛrɛnkɛrɛnnen ye. Aw bɛ neutre fiyɛ siri “N” terminal na.
• “~”, “AC” walima taamasiyɛn tɛ. O cogo la, polarite nafa tɛ, i tɛ se k’a kɔlɔsi.

Polarite bɔli

Polarite ka kan ka kɔlɔsi yan tuma bɛɛ. “plus” nɛgɛ bɛ siri semikɔndukiri fɔlɔ ka anode la, “minus” nɛgɛ bɛ siri diode laban ka katodi la. Sofɛrɛ jɛgɛncogo:
220/12V LED lanpan bolibaga sɛrɛkili (donni/bɔ tension):

LED lanpan bolilaw dilancogo

Ni sisan sɛgɛsɛgɛlikɛlan bɔnɛna a ka seko la k’a ka baara kɛ, o bɛ se ka kɛ sababu ye ka LEDw tiɲɛ. A nafa ka bon ka tiɲɛni dɔn waati kɔnɔ. Walasa ka LED lanpan bolibaga kɔrɔbɔ, V 220 bɛ kɛ a doncogo la.Voltage constant ka kan ka bɔ sofɛrɛ baarakɛla dɔ bɔyɔrɔ la. Ka fara o kan, a nafa bɛna bonya dɔɔnin ka tɛmɛ sanfɛla hakɛ kan min jiralen bɛ minɛn in foroko kan. Nin fɛɛrɛ in waleyali ka nɔgɔn, nka a tɛ se ka kɛ sababu ye ka minɛn in kɛnɛya jateminɛ. Walasa ka a dɔn ni bolifɛntigi bɛ baara la, aw bɛ nin wale ninnu kɛ:

1. Aw bɛ rezisti dɔ sigi sisan stabilisatɛri bɔyɔrɔ la. A ka rezisti bɛ sugandi ka jateminɛ kɛ kurun dilen na. A bɛ Labɛn Ohm ka sariya fɛ: R=U/I.
2. Aw bɛ rezisti dɔ ta ni rezisti jatebɔlen ye ani fanga min bɛ bɛn o ma.
3. Resistor sigilen kɔfɛ, aw bɛ bɔli hakɛ suman ni sɛgɛsɛgɛlikɛlan ye. Ni a ma tɛmɛ baarakɛcogo kan, o b’a jira ko minɛn bɛ baara kɛ ka ɲɛ.

Bololabaarakɛlaw ka dɛsɛw ɲinini kɛcogo filanan:

1. Ni fiyɛlilan bɛ minɛn in na, aw bɛ a da. Kɔrɔbɔlikɛla ka kan k’a jira ko rezisti ye zeru ye. Ni resistance bɛ taa dan tɛ min na, aw bɛ fiɲɛ bila a nɔ na. Ni lanpan ye yeelen bɔ rezow daminɛni kɔfɛ, o b’a jira ko dilan banna.
2. Ni fiyɛli ma fiyɛ, aw bɛ a ɲini ka tiɲɛni kɛ ka taa a fɛ. Aw bɛ diode bridge lajɛ.
3. Ni rectifier bɛ cogo la, aw bɛna a ka condensateur smoothing bɔ ka a sɔgɔ. Rezisti fitinin dɔ, min bɛ bonya an ɲɛ na, o bɛ kondansɛri ka baarakɛcogo jira.
4. Bololabaarakɛla nɔgɔman fɛ, o sɛgɛsɛgɛliw bɛna kɛ sababu ye ka gɛlɛya sɔrɔyɔrɔ dɔn. Kuran stabilisateurs complexes kɔnɔ, aw bɛna diode ni condensateurs électrolytiques bɛɛ wele.

Ni i b’a ɲini ka tiɲɛni dɔ sɔrɔ, i ka kafoba ka baara kɛcogo sariyakolo lajɛ:

• Liniyali. O bolifɛn suguw la, lakanani bɛ kɛ ni 5-100 Ohm resistors ye. Resistance kelen bɛ bila rectifier (diode bridge) dondaw la. Walasa ka flicker (fɔlikan) dɔgɔya, kondansɛri belebele dɔ bɛ siri ka kɛɲɛ ni doni ye.
• Pulse (pulse). O bεε la, mikrosεrεw bε yen minnu bε lakana bagabagali bεε ma – funteni kojugu, doni tεmεnen ani tension tεmεnenw. U man kan ka kari, nka fɛn bɛɛ bɛ kɛ ni Sinuwa bolifɛntigiw ye.

Gɛlɛya min bɛ bolifɛntigiw dilancogo la, o bɛ sɔrɔ mikrocircuit ɲumanw sugandili gɛlɛya la. Kɛrɛnkɛrɛnnenya la ni stabilisateur in dilannen don Sinuwa jamana na. Ni fɛɛrɛ si tɛ a to aw ka sisan sabatililan tiɲɛni sababuw sɔrɔ, aw bɛna taa dɔgɔtɔrɔso kɛrɛnkɛrɛnnen dɔ la. Walima i ka bolifɛntigi wɛrɛ san.

Danfara minnu bɛ kuran sɔrɔyɔrɔw la

Sofɛrɛ baarakɛla caman bɛ fili ka weleli kɛ kuran na. Tiɲɛ na, u ye minɛnw ye minnu tɛ kelen ye. Kuranko bɛ tension sabati, sofɛrɛ – current. Ni LEDw sirilen bɛ kuran sɔrɔyɔrɔ jugu la, u bɛ tiɲɛ joona. Kuranko bɛ se ka kɛ:

• Transformateur (Transformateur) ye. U man ca bi, i n’a fɔ u bɛ dɛsɛ cogo caman na u ka ɲɔgɔndankɛlaw fɛ. Transformateur bloc bɛ 12 walima 24 V Kɛ ka Bɔ tension na 220 V. O kɔ fɛ voltage alternatif bɛ rectifier ka direct. A bɛ da doni kan.
• Pulse (pulse). U kɔnɔ, tension bɛ tilennen sɔrɔ o yɔrɔnin bɛɛ – 220 V AC bɛ wuli ka kɛ 220 V DC ye. O kɔ fɛ a bɛ Taa pulse generator (pulse generateur) la, o bɛ voltage alternatif (voltage alternatif) dɔ Dabɔ ni frequency (fɔkan)ba ye. Fɛn laban ye transformateur ye.

Kuranko fila bɛɛ bɛ wuli ni wulicogo basigilen ye min bonya ye kelen ye. O minɛn suguw man ɲi LEDw ma, bawo u bɛ “kuran” de fɛ. Wa, ‘sènbɔli min bɛ Semi-kondukiriw kan, o ye u ka jogo dɔ dɔrɔn de ye. Ni paramɛtɛrɛw sɛbɛnna LED kan, misali la, 10 mA ani 2,7 V, o kɔrɔ ye ko ka tɛmɛ Amperes jiralenw kan, olu tɛ se ka tɛmɛ a fɛ – a bɛ jeni. Ni 10 mA kuran tɛmɛna, 2,7 V bɛ tunun semiconducteur kan.O ye bɔnɛ ye tigitigi, wa a tɛ voltage ye min ka kan ka kɛ walasa ka LEDw yeelen.

Cogo di ka LED linear driver dilan ni aw yɛrɛ bolo ye?

Ni microcircuits labɛnnenw bɛ yen, arajo amateur novice o novice bɛ se ka sofɛrɛ dɔ lajɛ LEDw kama. Nin baara in kama, aw ka kan ka se ka fɛn fila kɛ – ka kuran sɛrɛkili ja kalan ani ka solder (solder) sɔrɔ. Misali la, aw bɛ se ka sisan sabatililan dɔ lajɛ 3 W LEDw kama ni PowTech puce ye – PT4115 (Chine). Yɛlɛma-minɛn min Dabɔra o mikro-circuit in kan, o bɛ ni fɛn fitininw ye ani a ka baara kɛcogo ka bon. Kuran sɛgɛsɛgɛlikɛlan nɔgɔman bɛ lajɛ hali ka bɔ telefɔni chargeur la. Nin ye cikan ye min bɛ kɛ ka bolifɛn dɔ lajɛ 1W LED saba kama. Baara kama aw mago bɛna kɛ ninnu na:

• Telefɔni selilɛri chargeur kɔrɔ. Misali la, ka bɔ Samsung la – u bɛ se ka da u kan kosɛbɛ. Minɛnw ka paramɛtɛrɛw – 5 V ani 700 mA.
• Trimmer resistor ni resistance ye 10 kOhm ye.
• LED fɛn saba minnu fanga ye 1 W ye.
• Cord ni fiche.

Sotigi lajɛcogo:

1. Aw bɛ chargeur (saralan) labɔ, aw bɛ aw janto a kɔnɔfɛnw kana tiɲɛ.
2. Aw bɛ solder nɛgɛ kɛ ka 5 kΩ resistor solder donna yɔrɔ la. Aw bɛ a falen ni rezisti ye min bɛ se ka ladilan.
3. Aw bɛ bɔli jateminɛ doni ni polarite kama walasa ka LEDw solder ka ɲɛ. U bɛ kɔn ka ɲɔgɔn lajɛ ka kɛɲɛ ni sɛrɛkili ye.
4. Aw bɛ kontaktiw bɔ juru la ka nɛgɛ dɔ bila yen min bɛ ni fiɲɛ ye. Sani aw ka a lajɛ ni stabilisatɛri bɛ baara kɛ, aw bɛ a lajɛ ni fɛn bɛɛ sirilen don ka ɲɛ. N’i ​​ye fili dɔ kɛ, a bɛ se ka kɛ ko kurukurunin dɔ bɛ yen.
5. Aw bɛ kuran ladilan ni trimmer ye walasa LEDw ka yeelen bɔ.
6. Ni yeelenbɔlanw bɛ kɛnɛ kan, aw bɛ tension, current, power lajɛ ni tester ye.

Ni LEDw yeelenna, spark walima sisi tɛ yen, assemblée taara ɲɛ – aw ka DIY labɛnnen don. Baara kɛli ni bolifɛntigi ye min sugandira ka ɲɛ, o ye sarati nafama ye walasa ka LED kuran dilancogo ɲuman sɔrɔ ani ka baara kɛ waati jan kɔnɔ. Sugandili min bɛ se ka da a kan kosɛbɛ, o ye ka minɛn dɔ san min tɔgɔ ye ko ka fara LED lanpanw kan. Ni aw ye ciriw faamuya ani ni aw ye “teriw” ye ni solder ye, aw bɛ se ka bolifɛn bɛnnen dɔ lajɛ tuma bɛɛ LED fɛnw kama.