Ukuthumela Kwesibhakabhaka Ngokwezinye Zokuvula Ngokuzenzakalela

Ukuthi I-Infrared Emitters Zinikela Ubukhulu Bokuphatha Kwezinyathelo Zokuvula Ngokuzenzakalelayo

Isiphondo Se-Break-Beam: Ukumisa Ukuvula Kwesikhathi Sokugcina Ngokubhekana Nokubhekana Kwe-IR Emitter

Amaphakamisi we-infrared ayabeka isithunzi esingasiboni (kakhulu kusukela ku-850–940 nm) ngaphezulu kwezindawo zokuvula izinyango, njengoba yilokhu kuyisithunzi sokubhala isikhathi. Uma akubhekwa ngokuphambuka, izinyango zisebenza ngokuzenzakalelayo; ukuthinteka okunye—ngumuntu, umthakathi, noma into eyodwa—kuyabangela impendulo yezokuphepha ngokushesha kusukela ku-500 milliseconds: ukudlula kususwa futhi izinyango zihambisa emuva ukuze zikhubaze ukuthinteka. Le miphumela yokuphepha iyasebenza ngokuhlanganisa ne-UL 325, okuyikho ukuthi kufanele kubekwe impendulo yezokuphepha ngaphansi kwesikhathi sesekhondi ephambili ukuze kubhekwe ukuthinteka. Amasistimu athuluzwe ngokuphelele ayazimisa amandla okusebenza ekhona ngaphansi kwemipound engu-30 uma kubhekwa, okuhlanganisa ne-ANSI/DASMA 116 yezinkinga zokuthinteka.

Ukulinganiswa kwe-Emitters–Receiver: Ukulinganiswa kwe-Sikhathi, Ukulinganiswa kwe-Modulation, nokuphepha kwe-Noise

Ukusebenza okuphelele kwe-break-beam kubukhona kuzidingekile ukuthi kubekho ukulandelelana okuphelele phakathi kwe-emitter ne-receiver. Imisystems eyisizukulwane isebenzisa ukumelana kwe-infrared pulsed—okujwayelekile ngokuvamile ku-1–10 kHz—ukufaka amabhasi wezilimi; amareceiver ayifunda kuphela amasignali okufanayo, ayavimbela 98% yezinye izimilo zokugcina kwesibhubesi esiphambili noma izithombe zokuhlela ngokwesibhubesi. Amacircuits okuphakanyiswa kwesikhathi esingaphezu kwe-nanosecond aqinisekisa ukuthi kubekho ukulandelelana okuphelele ngaphambi kokuvibeka nokuguqula kwesikhathi ngokwezintambo. Ukulungisa okuzenzakale (AGC) kusobala ukuthi kubekho ukuthi kubonakaliswa kwe-lens noma ukuthi kubekho ukungafani kakhulu, futhi ukuthi kubekho ukuthi kubonakaliswa kwe-differential signaling kuyavimbela ukuthi kubekho ukuthi kubonakaliswa kwe-electromagnetic interference (EMI) kusuka emotors noma emaqhina e-RF—lokhu kubalulekile ukuthi kubekho ukusebenza okuphelele emisebenzini yasezindustria. Ngokujwayelekile, lezi zinhlobo zokusebenza zisiza ukuthi kube >99.9% ukusebenza okuphelele emisebenzini esiyisibonelo sokubaluleka kakhulu.

Amaspecifications akhethekile ase-infrared emitter ekubalulekeni kwezinsiza zokuvula

Umbala wokubhala (850 nm vs. 940 nm), Umthwalo wokubhala, nokuthi kubekho ukuthi kubonakaliswa kwe-beam divergence

Ukukhetha i-wavelength ikhombisa ukuthi isistimu isebenza kanjani nokubona kwezimali. Amaphotho e-850 nm ayathumela umkhawulo omkhulu we-radiant (15–30 mW/sr) nokuphakama kakhulu ngokwesibonelo sesilikon se-photodiode—kepha ayathumela ubhebhesi obuhle obuncane obungabangela ukuzizwa kwezimali ezikude kakhulu. Ngaphandle kwalokho, amaphotho e-940 nm ayasingazwa ngokuphelele futhi abenefitha kwe-solar noise encane, kepha kufuneka kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngokuvamile ukuthi kubhekwe ngok......

Ukubalansisa Ukuvikela kwezinyawo (IEC 62471) nokuphakama kokuthi kufundwa kwezimali eziyisisekelo se-UL 325

UL 325 iyadinga ukuthi kufuneka kutholwe ngokuphelele kusukela emitholeni eyisikhombisa—kepha i-IEC 62471 Class 1 iyazimisa umkhawulo wokubona okungafanele ukuba yingaphezu kwe-<10 mW/sr phakathi kwe-700–1400 nm. Ukuchazwa kwezinye izinkinga ziyadinga ukuthi kwenziwe ukuthenga kwemithambo yezinkomo: ukuthenga kwezinkomo (isibonelo, 38 kHz) kuyenza ukuthi kunezimali eziningi zokuphakama ngaphandle kokuphakama kwezimali zokubhekana ngokuvamile, ngelishwa lezincwadi zokuthenga ziyathola amandla ukuze kubhekwe kusukela emitholeni eyisikhombisa. Ukuthatha isibonelo sokuthenga kuyadlula ukuthi kubhekwe kusukela kwezinhlobo zokubhekana kwezinkomo. Ukungafanele ukuthi kwenziwe kuyabika izinkinga eziphakeme kwezinye izinkinga—izinkinga zokubona nokungafanele ukuthi ikhanda liyobuka—ngokuthi i-Ponemon Institute ibhalisile ukuthi $740k yizindlela zokubuyela kabusha izinto ezifanele ukuthi zibe nesikhundla sokubona. Ngoko ke ukuthenga kwesibonelo esinezinkinga zokubona kuyidinga ukuthi kwenziwe ngokuphelele ngokuthenga kwezinto ezifanele.

Ukufaka, Ukulungiselela, Nokuphila Kabanzi Kwamakhambi Okugcina Amasiko

Ukulungiselela Okungafanele Ukuba Kube Ngenani Yemitholeni Yekhanda, Ukulungiselela Kwamakhambi, Nokuthatha Isibonelo Sokuthenga Kwamakhambi

Izisafundiswa zesigaba se-infrared zidinga ukulandelelana kwezinye izinyathelo ezincinci kuma-millimeter phakathi kwe-emitter ne-receiver—izindlela ezingaphansi kwe-0.5 mm zihlaziyela ubukhulu bokubheka nokuzimisela kwezinhlelo zokusebenza. Ukuphakamisa okuphelele kuyisisekelo: izibhokisi zokuvimbisa ukuthi zithwale izinkinga zokugcina izinyathelo; izihlangothi esizimekile ziyakhula izikhumba ezingaphezu kwe-10 G-force; futhi izifastheni zezinsizakalo zokuhlanganisa ziyabeka isitshixo ngokuphindeleka kwezinkambo eziningi. Ukuvibratha kwesilinganiso kuyikhiya kwezinkambo eziyisishumi nesikhombisa kwezinkambo, kubiza izindlela zokuvimbisa eziphelele—kufaka izindlela zokuvimbisa ezinjengezinyathelo zokudlala, izindlela zokubheka ezinjenge-silicone, nezinhlelo zokubuyeza okwenzekayo okuzobhekwa ngokushesha kwezinyathelo ezingaphansi. Ukubonisa ukuthi kusebenza ngokuphelele ngeminyathelo yokuqala kuyisisekelo, futhi ukubonisa ukuthi kusebenza ngokuphelele ngeminyathelo yokuqala ngokuphinda kabusha ngomnyaka kuyavimbisa ukungasebenzi ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha ngokushesha......

Ukukhetha i-Infrared Emitter Eyangcono: Umgomo Wokusebenza Ngokuphelele Kwezinhlelo Zokuhlanganisa

Kulokhu kocingo lwesikhathi esiphambanayo, khetha amasimba angama-850 nm apho ukukhathazeka kwamadoda kwezinye izinkathi zokuzibophezela nezidingo zokubhekwa kwezinye izindawo ziyizinye zezinkinga—noma kunjalo amasimba angama-940 nm ayisifundiswa ngokuphelele kulezi zindlela zokufaka ezinomthwalo wokungabonakali nokungabonakali kokugqamisa. Qiniseka ukuthi kunezicertifikethi ezimbili: UL 325 yokuhlanganisa isistimu yocingo ne-IEC 62471 Class 1 yokuvikela ukuthi kungabi nempilo yezinye izinkathi zokubhekwa. Kulezi zindawo zokuphambana kakhulu noma zinezinkinga zokugqamisa, khetha amasimba angamaphakade (±3° okugqamisa) ngezinhlobo zezincwadi ezingaqondi kakhulu ezithengisiwe ngokuthi zibe nesikhathi sokubhekwa esihle. Khetha izinqumo ezinomlando wezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokusebenza kude kunezimali zokuseben......

Imibuzo Evame Ukubuzwa

Umgomo wokuphakeme kwe-infrared emitters kumidlozi yezinyezi ziyini?

Umgomo wokuphakeme kwe-infrared emitters kumidlozi yezinyezi yikuthumela umkhondo owangafihli kusuka kumgagasi wemidlozi, njengokuthi yisibonelo sokugcina. Uma umkhondo ugcinwa, kuyabizwa umphumela wokuphepha okuhlanganisa ukukhala nokubuyela emuva kwe-midlozi, ukuvikela ukungathwaliwa.

Kungani ukulandelelana kwe-emitter-ne-receiver kubalulekile?

Ukulandelelana kwe-emitter-ne-receiver kunceda ukuthi isistimu yokugcina umkhondo isebenze ngendlela efanele ngokulandelelana kwezinhlayo zezinkampani zezinkampani zezinkampani. Kunceda isistimu ukukhathazeka kwezinhlayo zezinkampani zezinkampani, ukuchaza ukuthi kufanele kubhekwe izikhathi ngokucophelela, futhi kunceda ukuthi isebenze ngendlela efanele.

Yini okufanele kwenziwa ukuze kutholakale ubukhulu bekho bokuphakeme kwe-infrared emitters?

Ukuze kutholakale ubukhulu bekho bokuphakeme, kufanele kuchazwe ukulandelelana okuphelele okungafana ne-millimeter, sebenzisa amathuba okuzimisa okuphelele nokukhathazeka kwezivuthi, futhi kwenziwe ukuchazwa okuphelele emva kokufaka kwezinto kanye nokuchazwa okuphelele kwesikhathi esingama-12.

Yini okufanele kuchazwe uma kusukwana isikhetho soku-infrared emitter?

Izinkinga zihlanganisa ubude be-emitheya, ukuzimisela kwezicakatha (UL 325, IEC 62471), imizimbi yomhlaba, isikhundla sesistimu, nokuthi izisombululo zokusebenza njenge-‘beam divergence’, ifrekhwensi yokuhambisana, nokukhazimba kwebhokisi.