Ikanam ngosi ihuenyo bụ nnọọ nkịtị na ndụ na-eweta a otutu mma na ndụ anyị.Ebe ọ bụ na enweghị ike ịgbanwe nchapụta nke ihuenyo ngosi LED site na ọkụ ambient, enwere nsogbu nke ngosipụta edoghị anya n'ehihie ma ọ bụ na-egbuke egbuke n'abalị n'ihi na ọ na-egbuke egbuke.Ọ bụrụ na enwere ike ịchịkwa nchapụta ahụ, ọ bụghị naanị ike nwere ike ịchekwa, kamakwa mmetụta ngosi nke ihuenyo ngosi nwere ike ime ka ọ pụta ìhè.
01led bụ isi iyi na-acha akwụkwọ ndụ akwụkwọ ndụ, isi uru ya bụ arụmọrụ dị elu
Site na mmepe na ọganihu nke sayensị ihe onwunwe, arụmọrụ na-egbuke egbuke ga-eme ka ọ dịkwuo mma n'ime afọ 10 na-esote;oriri ume dị ala, ogologo ndụ ọrụ, ihe ndị nwere ike ịmegharị, na enweghị mmetọ na gburugburu ebe obibi.Ọ bụ ezie na mba anyị malitere n'oge, n'ime afọ ndị na-adịbeghị anya, ọ malitekwara nyocha na mmepe na-arụsi ọrụ ike na atumatu na nkwado ụlọ ọrụ.E jiri ya tụnyere oriọna incandescent, LED nwere nnukwu ọdịiche: nchapụta nke ìhè ahụ bụ nha nha nke ugbu a na-aga n'ihu na-asọ site na diode na-enye ìhè.N'iji njirimara a, a na-atụle nchapụta nke gburugburu ebe obibi site na ihe mmetụta anya, ihe na-egbuke egbuke na-agbanwe dị ka uru a tụrụ atụ, na mmetụta nke mgbanwe nchapụta nke gburugburu ebe obibi na-echekwa, na ihe owuwu ahụ na-enyefe ndị mmadụ ịrụ ọrụ obi ụtọ.Ọ bụghị naanị na nke a na-emepụta ebe dị mma na-enwu gbaa mgbe niile, kamakwa ọ na-eji ọkụ eke eme ihe n'ụzọ zuru oke ma na-echekwa ike dị ukwuu.Ya mere, nnyocha na LED adaptive dimming technology dị oke mkpa.
02 isi ụkpụrụ
Nhazi a na-eji kọlụm izipu data na usoro nyocha ahịrị iji ghọta ederede ma ọ bụ onyonyo ngosi LED.A na-ejikọta usoro a na sekit ngwaike iji nweta ebumnobi na-egbuke egbuke n'ozuzu nke ihuenyo ngosi.Jiri njirimara mmetụta dị nro nke fotoresistor gaa na ìhè ambient, na-anakọta mgbanwe nke ìhè ambient, gbanwee ya ka ọ bụrụ mgbaàmà eletrik ma ziga ya na microcomputer nke otu mgbawa, otu mgbawa na-arụ ọrụ nhazi, ma na-achịkwa oke ọrụ nke mmepụta. PWM ife dị ka otu iwu siri dị.A na-agbakwunye sekit nke na-achịkwa voltaji n'etiti microcomputer nke otu mgbawa na ihuenyo ngosipụta iji ghọta ngbanwe nchapụta nke ihuenyo ngosi site na otu mgbawa microcomputer.A na-eji ebili mmiri PWM emezigharị iji chịkwaa sekit regulator voltaji na-agbanwe agbanwe iji dozie voltaji ntinye nke ihuenyo ngosi, ma mechaa ghọta njikwa nchapụta nke ihuenyo ngosi.
03 Akụkụ
Ihe njikwa nchapụta na-agbanwe agbanwe maka ihuenyo ngosipụta diode nke ọkụ, nke e ji mara ya gụnyere: ngwaọrụ ntinye uru preset nke ọrụ, counter na comparator nke ịdị ukwuu, ebe counter na ọrụ okirikiri preset uru ntinye ngwaọrụ n'otu n'otu na-agụta uru. a na-atụnyere ya na uru nke mbụ nke okirikiri ọrụ n'ime nha nha iji jikwaa uru mmepụta nke comparator.
04LED mmeghari dimming sistemu ngwaike imewe
Icha ọkụ nke LED dị nha na nke ugbu a na-agafe na ya na ntụgharị ihu, na nha nke ihe na-aga n'ihu nwere ike gbanwee iji dozie nchapụta nke LED.Ka ọ dị ugbu a, a na-edozi nchapụta nke LED site n'ịgbanwe ọnọdụ ugbu a na-arụ ọrụ ma ọ bụ ọnọdụ modulation obosara nke usu.Nke mbụ nwere nnukwu mgbanwe mgbanwe, linearity dị mma, mana ike dị elu.Ya mere a naghị eji ya eme ihe.Usoro ngbanwe nke obosara nke pulse na-eji ugboro dị elu iji gbanwee leds, oge mgbanwe na-agafe karịa nke ndị mmadụ nwere ike ịghọta, ka ndị mmadụ ghara inwe mmetụta dị adị nke stroboscopic.Chọpụta ihe na-eme mgbanwe LED.