Optocoupleoplers, iyo inobatanidza matunhu uchishandisa zviratidzo zvepfungwa sepakati, chinhu chinoshanda munzvimbo dzinokosha kwazvo, senge maAcoustics, yakadai seindasitiri, nekuda kwekuvimbika kwavo, sekuvimbika kwavo, sekusimba.
Asi rini uye mumamiriro ezvinhu anoshanda riini uye mumamiriro api ezvinhu Kana kana iwe uchinyatsoshandisa iyo Photocouppler iri mumagetsi ako emagetsi basa, ungasaziva mashandisiro andishandisa. Nekuti optocoupler inowanzo kuvhiringidzwa ne "Photograpansistor" uye "Photodiode". Naizvozvo, chii chinonzi Photocoupler ichaunzwa muchinyorwa chino.
Chii chinonzi Photocoupler?
Iyo optocoupler chikamu chemagetsi chinhu chine Edullmology iri Optical
Coupler, zvinoreva kuti "kuwirirana nechiedza." Dzimwe nguva anozivikanwawo se optocoupler, Optical Opolatector, etc. Inosanganisira mwenje wekutumira chinhu uye kuwirirana Iko hakuna kubatana kwemagetsi pakati pematunhu aya, mune mamwe mazwi, mune mamiriro ekusimbisa. Naizvozvo, dunhu rekubatana pakati peiyo yekuisa uye kubuda kwakaparadzaniswa uye chete chiratidzo chinoendeswa. Zvakachengetedzeka Zvakavanzika Zviteshi zvine Zvakakosha Zvakanyanya Kuisa uye Kunze Voltage mazinga, neyakanyanya voltage insulation pakati pekuisa uye kubuda.
Mukuwedzera, nekuparadzira kana kuvharira chiratidzo ichi chiedza, chinoita senge switch. Nheyo yakadzama uye mechanism ichatsanangurwa gare gare, asi iyo mwenje inoburitsa chinhu cheiyo fotocoupler ndeye LED (mwenje unokumbira diode).
Kubva kuma1960 kusvika kuma1970s, apo LDs akagadzirwa uye kufambira mberi kwavo kwehunyanzvi kwakakosha,optoelectronicsyakava boom. Panguva iyoyo, vakasiyana-siyanaOptical zvishandisoakagadzirwa, uye iyo Photoelectric coupler yaive imwe yadzo. Pashure pacho, optoelectronics yakakurumidza kupinda muhupenyu hwedu.
① Nheyo / michina
Iyo nheyo yeiyo optocoupler ndeyekunyorera chinhu chinoshandura chiratidzo chemagetsi chemagetsi kuita chiedza, uye chinhu chechiedza chinoburitsa pachena chiratidzo chemagetsi kune iyo yekubvisa chikamu chedunhu. Chiedza chinoburitsa chinhu uye chiedza chekugamuchira chinhu chiri mukati mechivharo chechiedza chekunze, uye maviri aya akatarisana kuitira kuti aendese mwenje.
Iyo semiconductor inoshandiswa muchiedza-kutumira zvinhu ndeye lED (Chiedza-cheki diode). Kune rimwe divi, kune marudzi mazhinji emakiromisi anoshandiswa mumidziyo yechiedza, zvichienderana nenzvimbo dzekushandisa, saizi yekunze, mutengo, etcer, iyo inowanzo shandiswa ndiyo Phototransistor.
Paunenge usiri kushanda, Phototransisistres inotakura zvishoma zvazvino izvo zvakajairwa semiconductors ita. Kana chiitiko chechiitiko ichocho ipapo, iyo Photograpansistor inogadzira fotolelectRootive simba pamusoro peP-Type semicononductor, iyo yemagetsi emicononductor muP iyo Dunhu inoyerera muNharaunda, uye ikozvino ichayerera.
Photoatransisisiss havasi sekutevera sevanoteerera, asi ivo zvakare vane mhedzisiro yekukudziridza kubuda kwemazana kusvika ku1000 nguva yekuisa chiratidzo (nekuda kwemunda wemukati). Naizvozvo, ivo vanonzwa zvakakwana kuti vatore kunyange kusaina kusaina masaini, izvo zvinobatsira.
Muchokwadi, iyo "yakajeka blocker" tinoona ishandiso yemagetsi ine musoro mumwe uye mechanism.
Nekudaro, zvinyoronyoro zvinovhiringidza zvinowanzoshandiswa sevanonzwisisa uye kuita basa ravo nekupfuura chinhu chinovhenekera pakati pechiedza chechiedza uye chinhu chinovhenekera chinhu. Semuenzaniso, inogona kushandiswa kuona mari uye mabhangi mune vending michina uye maATM.
② maficha
Sezvo Optocoupler inoburitsa masaini kuburikidza nechiedza, iyo insulation pakati peiyo yekuisa chikamu uye iyo inoburitsa chikamu chikuru chinhu chikuru. Yakakwira insulation haina kukanganiswa nenzwi, asi zvakare inodzivirira netsaona yazvino kuyerera pakati pematunhu anotenderera, iyo inoshanda zvakanyanya maererano nekuchengetedza. Uye chimiro pachacho chakareruka uye chine musoro.
Nekuda kwenhoroondo yayo refu, iyo yakapfuma yechigadzirwa yemugadziri akasiyana-siyana ndezve mukana wakasarudzika weoptocoulers. Nekuti hapana kusangana kwenyama, kupfeka pakati pezvikamu zvidiki, uye hupenyu hwacho hwakareba. Kune rimwe divi, kunewo hunhu hwekuti hunokwanirisa hunokwanira zviri nyore kutsausa, nekuti iyo LED ichaderera zvishoma nezvishoma nekufamba kwenguva uye tembiricha shanduko.
Kunyanya kana chikamu chemukati chepurasitiki chakajeka kwenguva yakareba, kuva makore, hazvigone kuve zvakanaka kwazvo. Nekudaro, mune chero mamiriro ezvinhu, hupenyu hwakareba uchienzaniswa nekuonana kwekutaurirana kwekusangana kwekutaurirana.
Photarnsisists inowanzo zvishoma nezvishoma pane mafichadhi, saka ivo havana kushandiswa kune yakakwirira-kumhanya kutaurirana. Nekudaro, izvi hazvisi zvekukuvadza, sezvo zvimwe zvikamu zvine manhatimasi ezvinyorwa pane iyo inobuda parutivi rwekuwedzera kumhanya. Muchokwadi, haasi ese matunhu emagetsi anoda kuwedzera kumhanya.
Kushandiswa
Phototectric Couplersinonyanya kushandiswa kwekushanduka kushanda. Dunhu racho richasimbiswa nekutendeuka pane switch, asi kubva pakuona kwehunhu hwezvematanho ari pamusoro, kunyanya kuisimbisa uye hupenyu hwakareba, hwakanyatsogadzirirwa zviitiko zvaida kuvimbika zvakanyanya. Semuenzaniso, ruzha muvengi wevarwi magetsi ekurapa uye odhiyo midziyo / kutaurirana midziyo.
Iyo inoshandiswawo mune mota drive system. Chikonzero cheMota ndechekuti kumhanya kunodzorwa neiyo inverter kana ichitungamirirwa, asi inounza ruzha nekuda kwekubuda kwakakwirira. Ruzha urwu haruzongokonzeresa kuti mota ikundikane, asi inoyererawo ne "pasi" inokanganisa fungiphere. Kunyanya, zvishandiso zvine nguva yakareba zviri nyore kutora ruzha urwu rwekubuda ruzha, saka kana zvikazoitika mufekitori, zvichakonzera kurasikirwa kukuru uye dzimwe nguva kunoita kuti tsaona dzakakura. Nekushandisa zvakanyanyisa kuiswa optocouculers yekuchinja, kukanganisa kweimwe matunhu uye zvishandiso zvinogona kuderedzwa.
Chechipiri, maitiro ekusarudza uye kushandisa optocouplers
Mashandisiro Aungaita Iyo Yakakodzera Optocoupler yekunyorera mune zvigadzirwa zvigadzirwa? Iyo inotevera microcontroller Develokmani mainjiniya ichatsanangura masarudza uye kushandisa optocouplelers.
① Gara wakavhurika uye nguva dzose padyo
Kune marudzi maviri emafotocouple Nyorera uye dzima kana voltage yashandiswa.
Iyo yekutanga inonzi inowanzo kuvhurika, uye yekupedzisira inonzi yakajairika yakavharwa. Maitiro ekusarudza, kutanga azvitongerwe rudzi rwetaundi ripi raunoda.
② Tarisa uone zvinobuda zvazvino uye zvaishandiswa voltage
Photocouplers ine iyo nzvimbo yekuwedzera chiratidzo, asi usagara uchipfuura nepakati uye zvazvino pakuda. Ehezve, inodururwa, asi voltage inoda kuiswa kubva kune iyo yekuisa parutivi maererano neyekuda kubuda mari yazvino.
Kana tikatarisa kune iyo yechigadzirwa data pepa, tinogona kuona chati pane iyo vertical axis ndeyekubuda kwechizvino Muunganidzi aripo anosiyana-siyana maererano neyekutungamirwa kwechiedza, saka shandisa voltage maererano neiyo inodiwa inoda ikozvino.
Nekudaro, iwe unogona kufunga kuti iyo inoburitsa ikozvino yazvino yakaverengerwa pano zvinoshamisa zvishamiso. Iyi ndiyo kukosha kwazvino iyo inogona kuramba ichingori kubereka mushure mekunge abvumirana nekuora kweiyo inotungamirwa nekufamba kwenguva, saka iri pasi peiyo huwandu hwakanyanya.
Pane kusapindirana, pane zviitiko apo iyo yekubuda iripo haina kukura. Naizvozvo, kana uchisarudza Optocoupler, ita chokwadi chekunyatso tarisa iyo "inoburitsa zvazvino" uye sarudza chigadzirwa chinoenderana nazvo.
③ Yakakura Yazvino
Iyo yakanyanya kuitwa ikozvino ndiyo yakakwana ikozvino kukosha iyo iyo Optocoupler inogona kumira kana kuitisa. Zvekare, isu tinofanirwa kuve nechokwadi chekuti tinoziva kuti zvakadii kunze kweiyo chirongwa cheProjekti uye izvo iyo yekuisa voltage iri tisati tatenga. Ita shuwa kuti kukosha kwakanyanya uye iyo yazvino yakashandiswa haisi miganhu, asi kune mamwe margin.
④ isa iyo Photocoupler nenzira kwayo
Sezvo asarudza optocoupler kurudyi, ngatishandise muchirongwa chaicho. Kuisirwa pachayo kuri nyore, ingobatanidza iyo terminals yakabatana kune yega yega yekuisa chikamu dunhu uye kubuda chikamu chikamu chedunhu. Nekudaro, hanya inofanirwa kutorwa kuti isasarambane nedivi rekuisa uye iyo inobuda padivi. Naizvozvo, iwe unofanirwa kutarisa zviratidzo mutafura yedata, kuti urege kuwana iyo photoslectric coupone tsoka isiriyo mushure mekudhirowa PCB Bhodhi.
Kutumira Nguva: Jul-29-2023