Olee Otú Ìhè Mmadụ Otú E Si Mara?

Ika ọkụ ire ere pụtara na mgbe oge ọkụ gachara, ìhè ya siri ike ga-adị ala karịa ọkụ mbụ, na akụkụ nke ala bụ ọkụ ọkụ LED na-emebi. , Onye ọ bụla na-achọpụtakwa na ụzọ dị mkpa isi belata ire ọkụ bụ imeziwanye okpomọkụ ya. Agbanyeghị, ụlọ ọrụ Light Environment Management Center nwalere nsonaazụ ule nke ọkụ okporo ụzọ dị iche iche n'oge na-adịbeghị anya, na ire ọkụ nke ọtụtụ ọkụ n'okporo ámá enweghị ike imezu ihe achọrọ iji. Ìhè ire ere mgbe awa 1200 nke ìhè gasịrị bụ 8%, nke kachasị njọ bụ 26%, na nkezi bụ 14%. Dabere na nsonaazụ ule anyị, mgbe eriri ọkụ dị ogo 105, ire ọkụ 14% kwesịrị ịdị na-arụ ọrụ awa 6000. Enwere ike ịhụ na eriri ọkụ nke ọtụtụ ọkụ n'okporo ámá dị n'elu 105 degrees ma ọ bụ karịa. Akụkụ dị ukwuu nke ụlọ ọrụ ahụ agaghị ekwenye na nsonaazụ dị otú ahụ, n'ihi na ha na-eche na a na-emepụta radiator ha nke ọma. Ọnọdụ n'ezie nwere ike ịbụ otu, mana nsonaazụ ule enweghị ike inwe obi abụọ. Gịnị bụ nsogbu? Onye nchịkọta akụkọ ahụ kwenyere na radiator nwere ike ọ gaghị eme ya nke ọma, mana enwere ike. Ma gịnị kpatara ọkụ ọkụ nke ọkụ eletrik mgbe niile na-akpata ire ọkụ? Nke a dị ka ntakịrị elu igwe. Ma n'ezie, e nwere n'ezie dị oké njọ. Ka anyị malite site na mmalite! 1. Anyị niile maara na LED's Viaticity bụ diode, na njirimara eletrik kachasị mkpa nke diode bụ ọdịdị Vodiat ya. 2. Ọ bụ ezie na njirimara okpomọkụ nke àgwà Voldown LED abụghị otu dị ka nke diode nkezi, nnukwu ọdịiche bụ na njirimara okpomọkụ ya. N'ezie, diodes niile nwere nsogbu nke njirimara okpomọkụ, ma LED chọrọ nlebara anya pụrụ iche iji kwụọ ụgwọ pụrụ iche. Nke a bụ n'ihi na: Igwe ọkụ na-arụ ọrụ ugbu a nke ike dị elu dị ntakịrị, 1W bụ 0.35A, 3-5W bụ 0.7A, 20W bụ 1.05A, 30W bụ 1.75A, 50W bụ 3.5A bụ 3.5A. Otú ọ dị, ụfọdụ ndị nwere ike iche na ihe dị mma nke diode rectifier nwekwara ike iru nnukwu uru. N'ihi na ọkụ ọkụ na-emepụta ugbu a ka dị ntakịrị, ọtụtụ n'ime ọkụ eletrik ntinye aka na-agbanwe ka ọ bụrụ okpomọkụ, ya mere kpo oku ya dị oke elu. Ọ bụrụ na radiator emeghị nke ọma, eriri ọkụ ga-ebili nke ukwuu. Igwe ọkụ dị iche na diode rectifier. Ejighị ihe silicon izugbe mee ya, mana ejiri ihe pụrụ iche (dị ka nitride) mee ya. Ya mere, njirimara okpomọkụ nke njirimara mgbanaka ya dị iche na nkezi diode, ma ka ọ dị ukwuu karịa nkezi diode. Dịka ọmụmaatụ, njirimara okpomọkụ nke njirimara ambush nke nkezi diode bụ -2mv / C. 3. Nsogbu a na-akpata site na mmụba nke knot okpomọkụ Mgbe ọkụ ọkụ LED na-ebili, nke mbụ na-ebute site na ọkụ ọkụ na-ebelata. Ebuli elu nke ịdị mfe nke na-ebuli elu nke knot okpomọkụ bụ ihe na-adịghị mma n'ihi na ọnụọgụ okpomọkụ nke àgwà voltano adịghị mma, nke pụtara na okpomọkụ dị elu ma hapụ àgwà ndị ahụ ka ọ na-agagharị. Dịka ọmụmaatụ, were ya na okpomọkụ na-ebili site na ogo 50, mgbe ahụ njirimara Fa'an ga-aga na 200mv gaa n'aka ekpe. Iji ọkụ eletrik na-enye ọkụ eletrik mgbe niile ga-eme ka ihe dị mma nke LED na-abawanye na mmụba nke okpomọkụ. N'ihi na voltaji na-enye ọkụ na-adịgide adịgide, na njirimara Fa'an agbanweela n'aka ekpe, ihe si na ya pụta bụ na ọganihu dị mma na-abawanye. Enwere ike ịhụ ya site na njirimara Fuan nke eserese 2 na ọ bụrụ na ọkụ eletrik na-arụ ọrụ mgbe niile site na 3.3V na ụlọ okpomọkụ, ihe na-aga n'ihu ugbu a bụ 350mA; mgbe okpomọkụ knot na-ebili site na 50 degrees, àgwà voltano na-ahapụ site na 0.2V, nke kwekọrọ na ọkụ eletrik. Oké ọnụ na - arị elu gaa 3.5V. N'oge a, ihe dị mma ugbu a ga-abawanye ruo 600mA. 4. Mgbe ojiji nke ajọ okirikiri nke okpomọkụ na-abawanye na-amụba ajọ okirikiri nke mgbe nile voltaji ike ọkọnọ, n'ihi na ike ọkọnọ voltaji agbanwebeghị, ntinye ike nke LED na-abawanye na 3.3VX0.6A = 1.98W, nke nwere. okpukpu abụọ nke okpukpu abụọ. Mgbe okpomoku knot na-ebili, mmepụta ọkụ ga-ebelata, nke pụtara na a na-atụgharị ike ntinye ọzọ na ike thermal, ya bụ, ọ bụrụ na ihe na-aga n'ihu na-abawanye n'oge a, ọkụ ọkụ ya anaghị abawanye ka ọ na-abawanye, ma ọ ga-ebelata. . Ya mere, mmụba nke ugbu a dị mma n'oge a ga-eme ka ọ dịkwuo elu na okpomọkụ nke knot, ọ gaghịkwa eme ka mmepụta nke ìhè pụta. Ya mere, mgbe ọ na-abawanye okpomọkụ nke eriri, ihe dị mma na-abawanye, okpomọkụ na-arịwanye elu, na-aga n'ihu na-aga n'ihu, nke na-akpata ọgba aghara nke okpomọkụ na-ebili nke okpomọkụ. Mkpebi: Iji ọkụ eletrik na-enye ọkụ eletrik mgbe niile ga-eme ka okpomọkụ dị elu dịkwuo elu, na-abawanye ire ọkụ, ma mee ka ndụ dị mkpụmkpụ. Ya mere, site na nyocha gara aga, anyị nwere ike ịbịakwute nkwubi okwu dị otú ahụ: Iji ọkụ eletrik na-enye ike na-enye ọkụ ọkụ mgbe nile ga-eme ka okpomọkụ dị elu dịkwuo elu, na nsonaazụ nke ịba ụba nke eriri ọkụ na-abawanye site na ire ọkụ na-ebelata oge ndụ. Na-eche na ọkụ ọkụ na-agbanye na 25 degrees na ụlọ okpomọkụ, eriri okpomọkụ ga-ebili mgbe ọ kwụsịrị. Were ya na e mere radiator ka ọ na-ebili na 75 degrees, ya bụ, eriri okpomọkụ na-abawanye site na 50 degrees, mgbe ahụ, ihe dị mma ugbu a ga-abawanye ruo 600mA ruo 600mA ruo 600mA. Mkpokọta ike sitere na 1.155W ruo 1.98W, mmụba nke 0.825W 0.825W. Na ike na-abawanye na akụkụ a fọrọ nke nta ka ọ bụrụ ihe niile gbanwere na okpomọkụ. Na-eche na arụmọrụ ọkụ mbụ nke LED bụ 30%, ya bụ, ike ntinye 70% (0.8W) na-atụgharị na ike thermal na ike ọkụ. Ugbu a enwere ike ọkụ okpukpu abụọ nke kwesịrị ịgbasa na radiator. N'ụzọ doro anya, nke a anaghị atụle ya site na nhazi mbụ nke radiator. Nke a abawanyela eriri ọkụ ọkụ ọkụ site na 50 degrees ruo 125 degrees. Ka anyị laghachi na eserese 1 ka anyị hụ usoro ire ere anya. Ndụ nke ogo 125 nke ìhè fọrọ nke nta ka ọ bụrụ awa 1200. Mgbe ahụ ị nwere ike ịkọwa ihe kpatara eji eji nlezianya mee radiator. Ọ ka bụ ọtụtụ ire ere na ndụ dị mkpụmkpụ! Ya mere, ọkụ ọkụ na LED ga-akwado ya site na ọkụ ọkụ na-adị ugbu a mgbe niile. Mgbe nke ugbu a na-adịgide adịgide, n'agbanyeghị otú okpomọkụ si agbanwe, a na-akwagharị àgwà ndị na-eche nche n'aka ekpe, na ugbu a adịghị agbanwe agbanwe! Okpomọkụ eriri agaghị adị njọ!