Morero oa mabone a indasteri ea mabone a LED ha o susumetsoe feela ke tikoloho ea lefats'e, empa hape le litšobotsi tsa eona tse khethehileng tsa indasteri. Matla a mabone a LED seterateng ke eona ntho e tlang pele ho nts'etsopele ea hona joale ea LED. Bakeng sa meralo e amanang le theknoloji ea LED, hajoale ho na le litharollo tse ngata le mekhoa e ikhethang ea moralo. A re ke re li hlahlobe ka bonngoe. Hobaneng ha mabone a mabone a LED seterateng a lula a le teng? Litšobotsi tsa lisebelisoa tsa mabone a LED li etsa qeto ea hore li na le tšusumetso e kholo tikolohong. Ka mohlala, liphetoho tsa mocheso lia eketseha, hona joale ha LED e tla eketseha, matla a matla a eketseha, 'me motlakase oa LED o tla eketseha. Nako e telele ho feta mosebetsi oa hajoale o lekantsoeng ho tla khutsufatsa lifaha tsa lebone tsa LED haholo. Leseli la kamehla la LED ke ho netefatsa hore boleng ba eona ba hona joale ba ho sebetsa ha bo fetohe ha maemo a tikoloho joalo ka mocheso le motlakase li fetoha. 2. Phepelo ea matla a mabone a LED seterateng Ho nepahala ha hona joale 'marakeng ho fosahetse, joalo ka leano la botumo 'marakeng, joalo ka leano le tsebahalang la molapo, phoso e fihla.
±8%, phoso e sa feleng ea hona joale e kholo haholo. Generally required
±3%. Ho ea ka morero oa 3% oa moralo. Phepelo ea motlakase ea tlhahiso e tlameha ho hlophisoa hantle pele e ka finyelloa
±3%error. 3. Matla a sebetsang a phepelo ea motlakase oa mabone a LED seterateng hangata ke 3.0-3.5V. Ka mor'a tlhahlobo, boholo ba bona ba sebetsa ka 3.2V, kahoo palo ea 3.2V e utloahala haholoanyane. Kakaretso ea mabone a mabone a n letotong = 3.2 * N4, matla a phepelo ea motlakase oa mabone a mabone a LED ke a nepahetseng ka ho fetesisa, joalo ka matla a sebetsang a LED 350 mAh, lifeme tse ling li sebelisoa qalong, mme moralo 350 mAh. Ha e le hantle, mosebetsi o tlas'a hona joale o chesa haholo. Kamora liteko tse ngata tsa papiso, ho loketse ho etsoa e le 320 mAh. Leka ho fokotsa mocheso oa moriri, e le hore motlakase o mongata o ka fetoha matla a khanya a bonahalang. 5. Ke bophara bo bokae letoto le bophara ba motlakase oa boto ea motlakase oa lebone la LED seterateng? Ho etsa hore mabone a mabone a LED a sebetse ka har'a mefuta e mengata ea motlakase oa motlakase, AC85-265V, letoto la LED le mokhoa oa ho hokahanya oa boto ea leseli ke tsa bohlokoa haholo. Leka ho se sebelise motlakase o pharaletseng ka hohle kamoo ho ka khonehang, e ka aroloa ka AC220V, 'me AC110V e hlophisoa ka hohle kamoo ho ka khonehang, e le ho netefatsa ho tšepahala ha phepelo ea motlakase. Kaha matla a hona joale ha a na ho itšehla thajana - motlakase o sa khaotseng oa motlakase, ha motlakase o le 110V, phallo ea motlakase ha e fete 70V, 'me palo ea lihlopha ha e fete 23 khoele. Ha motlakase o kenang 220V, motlakase o hlahisoang o ka fihla ho 156V. Ka mantsoe a mang, palo ea letoto ha e fete likhoele tse 45. U se ke ua ba le palo e ngata haholo e bapileng, ho seng joalo lebelo la ho sebetsa le leholo haholo, 'me phepelo ea motlakase e futhumetse haholo. Hape ho na le tharollo e pharaletseng ea motlakase. Matšeliso a matla a mohloli oa APFC ke ho sebelisa L6561/7527 ho nyolla voltage ho 400V, ebe o fokotsa motlakase. Tharollo ena e sebelisoa feela tlas'a maemo a khethehileng. 6, ho itšehla thajana / ho se be le ho itšehla thajana ka kakaretso ho itšehla thajana, haeba e entsoe ka 15W, e behiloe phala ea motlakase ea leseli la LED seterateng, transformer ea eona e kholo haholo, ho thata ho e kenya. Haholo-holo e itšetlehile ka mohaho oa sebaka o itšetlehile ka boemo bo itseng. Ka kakaretso, ho itšehla thajana ho ka fihlela 15W feela, ka tlase ho 15W, mme theko e theko e boima haholo. Ka hona, litšenyehelo - katleho ea ho itšehla thajana ha e phahame. Ka kakaretso, li-account tsa ho se itšehla thajana bakeng sa tse tloaelehileng haholo, bophahamo bo ka ba bo nyane, 'me bonyane bo ka ba 8 mm holimo. Ha e le hantle, mehato ea tšireletso e sa itšehleng e etsoa. Sebaka se lumellang se ka boela sa sebelisoa e le matla a ho itšehla thajana. 7. Matla a mabone a mabone a LED a ka tsamaellana joang le boto ea lifaha tsa lebone? Bareki ba bang ba qala ka ho qapa boto ea lebone, ebe ba fumana phepelo ea motlakase. Ho thata ho fumana phepelo e nepahetseng ea motlakase, ekaba ea hona joale e kholo haholo, 'me motlakase o nyane haholo (joalo ka 7x1wi).
> 350mA, kapa V25V), sephetho ke mocheso o matla, ts'ebetso e tlase, kapa mefuta e sa lekaneng ea motlakase. Ha e le hantle, ho khetha tsela e molemo ka ho fetisisa ea ho hokahanya le LED ka 'ngoe hoa tšoana, empa phello ea phepelo ea motlakase e ka fana ka ts'ebetso e ntle ka ho fetisisa. Tsela e molemohali ke ho buisana le baetsi ba matla pele le ho etsoa ka mokhoa o hlophisitsoeng. Or produce a power supply. 8. LED's skewers le PFC power factor areolation input AC220V high -voltage end electrolytic capacitance capacity ka kakaretso ke matla a ho kenya 1W = 1UF, AC110V1W = 2UF hajoale e na le linyeoe tse tharo tsa phepelo ea motlakase PFC: e le 'ngoe ha e na PFC ntle le puseletso ea matla a matla Bakeng sa lipotoloho tse inehetseng, Phaello ea PF ka kakaretso e pota-potile 0.65; ea bobeli ke passive power factor compensation PFC circuit, ke hore, lebone la matšeliso la matla a se nang letho, le boto ea potoloho ea phallo hona joale ke eona e ka tšeptjoang ka ho fetisisa, PF PF, PF Boleng ka kakaretso bo pota-potile 0.92; mefuta e meraro ea potoloho e sebetsang ea 7527/6561 e boetse e sebelisoa, ke hore, matšeliso bakeng sa mohloli oa matla a mohloli, o bitsoang AC220V potolohong ea APFC, AC110V e ka sebelisa li-capacitor tsa electrolytic tsa matla a tšoanang, khetha 1W = 1W = 1.5uf. Phaello ea PF e ka fihla ho 0.99, empa litšenyehelo tsa tharollo ena li mpe haholo ho feta tsa tharollo ea bobeli. Kahoo tharollo ea bobeli e sebelisoa ho feta. Bakeng sa potoloho ea PFC e sa sebetseng: eo hape e tsejoang ka hore ke Chan -type PFC potoloho, mofuta oa eona oa motlakase oa DC ke halofo ea tlhoro ea motlakase oa AC. Haeba tlhahiso e le 220V, tlhōrō ea eona ke 220 * 1.414 = 312V, 'me halofo ea matla a holimo ke 156V. Ka hona, palo ea lifaha tsa motlakase oa leseli la LED li fihla ho likhoele tse 45 ka tlase. Ka hona, haeba u batla ho fumana matla a batlang a le matla, palo ea mabone ha ea lokela ho ba e nyenyane haholo, ho seng joalo boemo bo botle ba ho sebetsa bo ke ke ba finyelloa. Matla a phepelo ea motlakase a tlameha ho kopana le matla a tsoang. Ha nako ea hona joale e sebetsang ea likarolo tsa elektronike sebakeng se lekantsoeng sa matla a ho sebetsa, nako e telele ea bophelo, nako ea bophelo e tla khutsufala. Lifaha tsa matla a khanya ea seterata sa LED li na le kutloelo-bohloko haholo ho bongata ba puisano. Ha palo ea puisano e phahame, matšeliso a leseli a mpefala. Ka kakaretso, li-capacitor tsa electrolytic li lokela ho sebelisoa ho boloka motlakase, 'me motlakase oa motlakase oa ho qetela o sebelisoa ka hohle kamoo ho ka khonehang. Bokhoni ba qetello ea matla a electrolytic ea voltage e ka tlase ha ea lokela ho ba nyane haholo. Khetho ea "non-isolation input end" e phahameng -voltage electrolytic capacitance select e ts'oana le ho itšehla thajana, 'me capacitor ea ho qetela e khetha 1UF.
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