Zviratidziro zve LED zvakajairika muhupenyu uye zvinounza kurerukirwa kwakawanda kuhupenyu hwedu.Sezvo kupenya kwechiratidziro che LED hachigone kuchinjwa nechiedza che ambient, pane dambudziko rekusajeka kuratidzwa mukati mezuva kana kupenya usiku nekuda kwekunyanya kupenya.Kana kupenya kuchigona kudzorwa, kwete simba chete rinogona kuponeswa, asiwo mhedzisiro yekuratidzira yeratidziro inogona kujekeswa.
01led ndeyegirinhi mwenje sosi, mukana wayo mukuru ndeyekupenya kwakanyanya
Nekuvandudzwa uye kufambira mberi kwesainzi yezvinhu, kupenya kunopenya kuchavandudzwa zvakanyanya mumakore gumi anotevera;kuderera kwesimba rekushandisa, hupenyu hurefu hwebasa, zvinhu zvinogadziriswazve, uye pasina kusvibiswa kune zvakatipoteredza.Kunyangwe nyika yedu yakatanga nguva yapera, mumakore achangopfuura yakatangawo tsvakiridzo nekusimudzira uye hurongwa hwemaindasitiri nerutsigiro.Kuenzaniswa nemwenje weincandescent, iyo LED ine musiyano wakakura: kupenya kwechiedza kunonyanya kuenzana nehukuru hwemberi ikozvino inoyerera kuburikidza nechiedza-emitting diode.Uchishandisa chimiro ichi, kupenya kwenzvimbo yakapoteredza kunoyerwa neoptical sensor, kupenya kunopenya kunoshanduka zvichienderana nehuwandu hwakayerwa, uye simba rekuchinja kwekupenya kwenzvimbo yakapoteredza rinochengetwa, uye kuvaka kunotamisa vanhu kuti vashande vachifara.Izvi hazvingogadziri nzvimbo yakasununguka nekupenya nguva dzose, asiwo inoshandisa zvizere chiedza chechisikigo uye inoponesa zvikuru simba.Naizvozvo, tsvagiridzo ye LED inogadzirisa dimming tekinoroji yakakosha zvakanyanya.
02 nheyo dzinokosha
Iyi dhizaini inoshandisa iyo column kutumira data uye mutsara scan nzira yekuona iyo LED kuratidza mavara kana mufananidzo.Iyi nzira inosanganiswa neiyo hardware wedunhu kuzadzisa chinangwa cheyakaenzana yunifomu kupenya kwechiratidziro.Shandisa hunhu hwefotoresistor kune ambient mwenje, unganidza shanduko yeambient mwenje, woishandura kuita chiratidzo chemagetsi uye woitumira kune single-chip microcomputer, iyo single-chip processor inoita chiratidzo chekugadzirisa, uye inodzora chiyero chebasa chezvinobuda. PWM wave maererano nemumwe mutemo.A switch voltage regulator circuit inowedzerwa pakati pe-single-chip microcomputer uye led kuratidza chidzitiro kuti uone kupenya kugadziridzwa kwechiratidziro neiyo single-chip microcomputer.Iyo yakagadziridzwa PWM wave inoshandiswa kudzora iyo switching voltage regulator wedunhu kuti igadzirise iyo yekuisa voltage yechiratidziro, uye pakupedzisira ziva kupenya kutonga kwechiratidzo chekuratidzira.
03Zvinhu
Iyo inogadzirisa kupenya inodzora dunhu rechiedza chinoburitsa diode kuratidza skrini, iyo inoratidzwa nekusanganisira: duty cycle preset kukosha kwekuisa mudziyo, counter uye magnitude muenzanisi, umo kaunda uye duty cycle preset kukosha kwekuisa mudziyo zvichiteerana a Kukosha. inofananidzwa ne preset value yebasa rekutenderera mukuenzanisa saizi kudzora kukosha kwekubuda kwemuenzanisi.
04LED inogadzirisa dimming system hardware dhizaini
Kupenya kwe LED kunoenderana neyazvino inoyerera mukati mayo munzira yekumberi, uye saizi yekumberi ikozvino inogona kugadziridzwa kugadzirisa kupenya kwe LED.Parizvino, kupenya kwe LED kunowanzo gadziridzwa nekugadzirisa iyo inoshanda ikozvino modhi kana pulse wide modulation mode.Iyo yekutanga ine yakakura kugadzirisa siyana, yakanaka mutsara, asi yakakwirira simba rekushandisa.Saka hainyanyi kushandiswa.Iyo pulse wide modulation method inoshandisa yakakwira frequency kushandura ma leds, iyo switching frequency inodarika huwandu hungaonekwa nevanhu, kuitira kuti vanhu vasanzwe kuvepo kwestroboscopic.Ziva LED inogadzirisa dimming.