Indlela engcono kakhulu yokuqapha izinga lokushisa ku-switchgear ukusebenzisa izinzwa ze-fiber optic

Inzwa ye-fiber optic lokushisa, Uhlelo lokuqapha oluhlakaniphile, Umkhiqizi we-fiber optic osabalalisiwe e-China

Uhlobo lwephoyinti izinzwa zokushisa ze-fiber optic ingasetshenziselwa ukuqapha ukuphepha kwempahla yamandla. Ngesisekelo sokugcina ngempumelelo ikhwalithi yohlelo lokusebenza, Izakhi zokuzwa izinga lokushisa zingasetshenziswa ukukhawulela inqubo yokulinganisa. Ngenxa yokunemba okuphezulu kwesilinganiso kanye nesimiso esilula salezi zinzwa, okungathuthukisa isikhathi sokusebenza, zisetshenziswa kabanzi kumaphrojekthi wokuqapha imishini yamandla ukuze kuthuthukiswe izinga langempela lokulinganisa izinga lokushisa nokuhlaziya.

Izici zezinzwa ze-Fiber Optic

Izinzwa ze-fiber optic ngokwazo zinezici ezinjengokugqumisa kanye nokumelana nokuphazanyiswa yi-electromagnetic, okungaqinisekisa ukuphepha kwenqubo yokuqapha, futhi ibe nokungagqwali okuvelele kanye nokumelana nezinga lokushisa eliphezulu. Ukuwusebenzisa ezinkundleni zikagesi ze-DC eziphezulu kungathuthukisa ngempumelelo ukukalwa kokuxhumana kwezinga lokushisa, ngokunemba okuphezulu kwesilinganiso, futhi usungule amanethiwekhi okulinganisa ahambisanayo, ukubeka isisekelo sokuqapha okuzenzakalelayo okuzenzakalelayo kokusebenza kwemishini yamandla.

Enqubweni yokusetshenziswa kobuchwepheshe bokuzwa izinga lokushisa kwe-fiber optic, kokubili ngaphakathi nangaphandle, kugxilwe ocwaningweni lwezinzwa kanye nokuphathwa kwezinga lokushisa kwe-fiber optic. Ngakho-ke, izinzwa zokushisa ze-fiber optic grating seziphenduke ukhiye wokucwaninga amaphrojekthi kubuchwepheshe bokuzwa izinga lokushisa kwe-fiber optic. Kuhlelo lokulinganisa izinga lokushisa olusabalaliswe nge-fiber optic, ucwaningo ngobuchwepheshe bokuzwa izinga lokushisa kwe-fiber optic ludinga ukuhlanganiswa nokuvimbela umlilo, Ukulawula izinga lokushisa kwamaphuzu amaningi, kanye namanye amaphrojekthi ukuze ahlaziye kabanzi, kodwa izindleko zayo zizonke ziphezulu uma kuqhathaniswa.

Isimiso esiyisisekelo sokulinganisa izinga lokushisa kwezinzwa zokushisa ze-fiber optic ezisetshenziswayo ukuthi umphetho obalulekile we-semiconductor absorption spectrum uzoshintsha nezinga lokushisa futhi uhambe ngokufanele.. Ingasungula ukuhlaziya okusebenzayo kanye nokwahlulela kwezinga loshintsho ngemuva kokuthi i-chip ye-semiconductor icutshungulwe ngamandla okukhanya.. Ngaphezu kwalokho, izinga lokumunca lemidiya ye-semiconductor lihlobene ngokuqondile nobubanzi be-bandgap be-semiconductor ngesikhathi senqubo yokumuncwa ukukhanya.. Ngemva kokushintsha kwezinga lokushisa, ukwanda kwezinga lokushisa kanye noshintsho lokushisa kuzothinta isimo sokudlidliza sekristalu, kubangela izinguquko kupharamitha yobubanzi bangempela be-bandgap futhi kubangele ukubukwa okungavamile kokumuncwa.

Ngaphansi kwezimo ezithile, ubukhulu bokukhanya komthombo wokukhanya buyahlukahluka. Amandla okukhanya acatshangelwayo adinga ukukalwa ngamapharamitha athile ngosizo lwe-It ddt RR I α α − − −=1 e (1) e22. Phakathi kwazo, U-R umele i-coefficient yokubonisa amandla yayo yonke isistimu yokukhanyisa yomthombo wokukhanya, elilingana nenkomba ye-refractive, i-extinction coefficient, kanye ne-engeli yesigameko yento; U-D umele ubukhulu bangempela baso sonke isakhiwo se-semiconductor; α imele i-coefficient yokumunca yento esebenza ngesemiconductor ngokwayo. Ngokuhlanganisa idatha yokulinganisa yangempela, kungenzeka ukuhlaziya ngempumelelo izinga langempela lesistimu ehambisanayo, nangokuhlanganisa ubudlelwano phakathi komsebenzi wokunquma ubude begagasi lomthombo wokukhanya, bala okubalulekile kulo lonke ibanga le-wavelength. Lokho kusho ukuthi, ekusebenzeni okungokoqobo, ukukhetha umthombo wokukhanya kwe-broadband yesigameko kanye nama-photodiode afanayo kungabala ngempumelelo futhi kuhlaziye amandla okukhanya adlulisiwe, kanye namapharamitha afanelekile angaphinda abonise amathrendi ahlukene ngezinguquko kuzinga lokushisa kwemvelo, ngcono ngempumelelo ukusebenza kahle okuphelele komsebenzi wokuthola izinga lokushisa.

Ukuqaliswa kwe Inzwa ye-Fiber Optic Isistimu Yokutholwa Kwesistimu Yamandla

Ekusetshenzisweni kwehadiwe yezinhlelo zamandla, izinga lokusebenza le-switchgear libalulekile, futhi ochwepheshe badinga ukuhlanganisa ama-circuit breaker ukuze baqinisekise ukuthi amakalishi eselula nama-switchgear angadlala inani lawo langempela. Phakathi kwazo, i-switchgear ene-high-voltage ngokwayo inayo 6 abathintwayo, eyodwa yasakazwa esigabeni ngasinye kwezintathu ezinhlangothini ezingenhla nezingezansi, okungathuthukisa ngempumelelo ukuthembeka kokusebenza kwesistimu futhi kunikeze amandla ukuqapha kwesikhathi sangempela kanye nesilinganiso sokushisa ngosizo lwabathintwayo. Ngakho-ke, kuyadingeka ukuthuthukisa i-probe kanye nezindawo zokucubungula isignali yesifunda ngesikhathi senqubo yokuqapha izinga lokushisa kwe-high-voltage switchgear ohlelweni., kanye nokuzuza amaphuzu alandelayo.

Okokuqala, khetha umthombo wokukhanya. Ngemva kokuba ukukhanya kukhishwe emthonjeni wokukhanya, amandla okudlulisa kancane kancane azoshintsha ngokushintsha kwezinga lokushisa ngesenzo se-probe. Ngosizo lwenzwa yokushisa ye-fiber optic yohlobo lwephoyinti, ukuqina kokukhanya okudlulisiwe kungabhekwa izinga lokushisa ukuze kuqinisekiswe ukuqaliswa komsebenzi. Ngakho-ke, ochwepheshe badinga ukukhawulela ububanzi bokulinganisa bezinzwa ekukhetheni imithombo yokukhanya, kanye nejaji elisuselwe ekushintsheni kwezinga lokushisa lonqenqema olubalulekile lwe-spectrum yokumuncwa ukuze kutholwe ngempumelelo ipharamitha yobubanzi obubanzi be-spectral. Kumele kuqashelwe ukuthi mayelana nokukhetha ubude be-wave bomthombo wokukhanya, ukucatshangelwa kwepharamitha okwanele kufanele kwenziwe ngokuhambisana nonqenqema lokumuncwa, futhi amapharamitha kufanele alawulwe phakathi 864-908 nm ukukhetha amapharamitha afaneleka kakhulu, ukubeka isisekelo sokuthuthukiswa okuphelele kokuthola ukunwetshwa kokukhanya kokukhanya kanye nomsebenzi wokucubungula wamaza amaphakathi.

Okwesibili, umsebenzi wokuklama i-probe, kuhlanganiswe nesakhiwo sohlelo lokusebenza kanye nesimiso senzwa ngokwayo, iwusebenzisa ekucubungulweni kokuxhumana kwe-switchgear ephezulu kusistimu yamandla, yenza ukuhlolwa kwezinga lokushisa kuma-cable cable joints, futhi iqinisekisa ukuthi ingahlinzeka ngemingcele eyisisekelo yomsebenzi wokufaka inzwa. Enqubweni yokuklama ama-probe, kuyadingeka ukuhlaziya nokunquma umthamo kanye nemingcele yebhalansi yokushisa ye-probe. Ngokuvamile, izinto zethusi ezine-conductivity enhle yokushisa zikhethwa ukuze kuthuthukiswe isikhathi sokusebenza kokucubungula ngezinga elithile.

Okwesithathu, isignali processing circuit design. Ekucubunguleni isignali yenzwa, kuyadingeka ukunquma iyunithi eyinhloko ngokusekelwe ezidingweni zangempela, hlanganisa ngempumelelo isakhiwo se-microcontroller, sebenzisa izilawuli ezincane ze-8-bit AVR ezisebenza kahle kakhulu nezinamandla aphansi ukuze unqume kahle amapharamitha afanelekile, ngcono ngokunengqondo ukulawula inkumbulo, hlinzeka ngeziqinisekiso zokuthola amasekhethi okusebenza kwehadiwe, futhi uhlanganise imiyalelo eyenziwe lula ye-RISC ukuze uqinisekise umphumela wokuhlanganisa wesakhiwo nokwandisa umphumela wokuhlela wesistimu.

Ukusetshenziswa kwe-Fiber Optic Temperature Measurement System Software

Kuhlelo lokuqapha imishini yamandla, kuhlanganiswe nokusebenza kahle kanye nezinga lokusebenza jikelele lezinzwa, ngaphezu kokuphathwa okuphelele kwesakhiwo sehadiwe, kuyadingeka futhi ukuthuthukisa uhlelo lwesoftware ukuze kuqinisekiswe ukuthi izingxenye zesistimu ezihambisanayo zingabeka isisekelo sokuqaliswa kahle komsebenzi wokuqapha ukuphepha..

Okokuqala, uhlelo lwesofthiwe yokutholwa nokulawula isignali ngokuyinhloko luthwebula amasiginali ngesikhathi esifanele, izihlungi futhi ifinyeze ulwazi lwesignali ukuze kuthuthukiswe okulandelayo imiyalelo yesenzo esihambelanayo. Kufanele kuqashelwe ukuthi ekutholeni isignali, ukucubungula, kanye nohlelo lokulawula, kufanele kuqashelwe ubuqiniso bolwazi lwedatha ukuze kuzuzwe ukugadwa okuphelele nokulawula ikhwalithi.

Okwesibili, ukwakheka kwesoftware yokuhlunga isignali ikakhulukazi kuhilela ukuhlaziya nokunquma imingcele yokuhlunga, ukunquma ukufaneleka kwemiphumela ngokusekelwe kumapharamitha afanelekile, kanye nokuhlaziya nokucubungula izimo ezifanele.

Okwesithathu, isilinganiso sesofthiwe yokubala i-interpolation iyisistimu yesofthiwe enemisebenzi yokubala enamandla, engenza ukubala kwesikhathi sangempela kanye nokuqinisekisa ukuhunyushwa okumaphakathi, ukuze kuthuthukiswe ukusebenza kahle kwemiphumela yokubala kanye nokuhlaziywa kokuqhathanisa idatha esikhathini esizayo.

Okwesine, bonisa ukwakheka kwesoftware kokuphumayo, futhi ngemva kokuba zonke izinqubo seziqediwe, sebenzisa isofthiwe yokukhiphayo ukuze uqedele ukucubungula nokukhipha idatha. Ukuqhubeka nokusebenzisa ukuqapha ngesikhathi sangempela ukuphepha kwemishini, kuyadingeka ukuthuthukisa ukuhambisana kwesikhathi kwenqubo yokuqapha ngokuhlanganisa imingcele yempendulo.

Ngaphezu kwalokho, emsebenzini wokuqoqa ulwazi, umnyango wezobuchwepheshe kufanele ugxile ebudlelwaneni phakathi kwesakhiwo sokuqoqa kanye nesistimu yesicelo, ngcono ngempumelelo ubuhlakani benqubo yokuqoqa kanye nenqubo yokuxhumana emshinini, futhi uthuthukise inqubo yokuqoqa ukuze uqinisekise ukusebenza kwesikhathi sangempela kanye nobuqotho bomphumela wohlelo lokusebenza. Okubaluleke kakhulu ukuthi ukusetshenziswa kwezinhlelo zesofthiwe kufanele kuthathe ukuthuthukiswa kwe-CPU njengento edingekayo, kanye nesisekelo sokusebenza ngempumelelo kokusetshenziswa, yenza ukuhlaziya okumaphakathi kanye nokwahlulela ngekhwalithi yemisebenzi yokuqalisa inqubo yesoftware, imiyalelo yokusebenza yokucubungula okusebenzayo, kanye neziyalezo zomsebenzi wokuphazamiseka okunesikhathi, ukuze kuthuthukiswe amazinga okulawula ngokunengqondo.

Ngokwesisekelo sokuhlaziya okuphelele kanye nokwenza kahle kwesistimu yezinzwa zokushisa zohlobo lwe-fiber optic, inqubo yokusetshenziswa kwezinzwa ekuqaphelweni kwemishini yamandla ihlolwe esakhiweni se-10kV high-voltage switchgear, okungakha ngempumelelo ukuqapha amaphuzu angu-9. Ngokwesisekelo sobuchwepheshe bendabuko, ukulinganisa kwesistimu nokuhlolwa kokuhlola kwenziwa ngokubeka ngokuqondile inzwa ye-fiber optic ebhokisini lokushisa elihlala njalo likagesi lemishini., ukuhlangabezana ngokuphumelelayo nokusebenza kahle kokulawula izinga lokushisa. Ngesikhathi sokuhlolwa, izinga lokushisa lenyuka kancane kancane lisuka ekamelweni. Umsebenzisi udinga ukukala izinga lokushisa kanye nokuphumayo kwe-analog ye-coefficient yebhokisi lokushisa elingashintshi ngezikhathi ezihlukene zokushisa, ukuhlanganisa ngempumelelo amanani okushisa, futhi uthuthukise umphumela wokugcina wokucubungula. Ngesisekelo sesenzo esihlangene se-thermometer ye-thermocouple kanye nenzwa yokushisa ye-mercury, imingcele yokushisa ehambisanayo iyatholakala. Ngemuva kokusebenzisa ama-thermometers e-thermocouple nama-thermometers e-mercury ukuthola izinga lokushisa, ingasetshenziswa njengenani lereferensi lokushisa kwekamelo lokushisa elihlala njalo.

Emsebenzini wokulinganisa wangempela, ukuze uqonde ngokugcwele ukuzinza kwesikhathi kwezinzwa ze-fiber optic lokushisa ngesikhathi sokusebenza, ukunakwa kufanele kukhokhwe kumpendulo yedatha ngemva kokulinganisa okuqhubekayo, ukuqinisekisa ukukhethwa kwezimo eziyisisekelo zokulawula izinga lokushisa, futhi kusekelwe kulokhu, ukuthola imiphumela yokulinganisa ehlukene yezinzwa zokushisa ze-fiber optic ezakhiwe ukushintsha kwesikhathi,

Ijika lokuhlola ukuzinza kwesikhathi le-fiber optic thermometer

Akunzima ukuthola ukuthi ukukalwa kwezinga lokushisa akuzinzile kumongo wokuqoqwana okuqhubekayo kwesikhathi.. Ukuhlanganisa ulwazi lokulinganisa kunganquma umphumela wokukhukhuleka kwezinga lokushisa kwezinzwa zokushisa futhi kuhlole ukunemba kokulinganisa kwezinzwa zezinga lokushisa.. Kuyabonakala ukuthi ukuzinza kwesikhathi kubaluleke kakhulu kwikhwalithi yenqubo yokuqapha. Ngaphezu kwalokho, izinzwa ikakhulukazi zisebenzisa ubuchwepheshe be-fiber optic, ekwazi ukumelana nokushisa futhi ingafakwa ngokuqondile ezinhlelweni zokulawula izinga lokushisa. Ngokulawula izinga lokushisa phakathi -20 ku 125 ℃, isistimu nayo ingasebenza ngokujwayelekile.

Inzwa yokushisa ye-Fiber optic yokulinganisa izinga lokushisa kwe-switchgear

Ngemva kokulinganisa nokuhlola isistimu yokufaka isistimu, kuyadingeka ukuqinisekisa izinga langempela lokusetshenziswa kwe-switchgear. Inqubo yokufaka i-chassis yesistimu nayo idinga ukuhlaziya ingxenye ye-low-voltage ye-switchgear, ikakhulukazi ukuhlanganisa ukukhanya kanye nesakhiwo sepayipi esixhuma i-chassis nama-probes. Ukuqinisekisa ukuhambisana nesikhathi kokucubungula ukusebenza kahle, kuyadingeka ukuqinisekisa ukuthi imingcele yokugoba i-fiber ihlangabezana nezidingo zangempela phakathi nenqubo yokufaka futhi igweme ukuxutshwa kwe-fiber okuthinta ukusetshenziswa kwe-fiber.. Ngokuvamile, ukulinganisa amapharamitha wedatha kudinga ukusungula ubudlelwano bokuxhumana ngebhasi eliwuchungechunge le-RS485 futhi lixhume egumbini lokuqapha.. Kuhlanganiswe nedatha eqoqiwe ngesikhathi sokusebenza kwesoftware, ukuhlolwa kwezinga lokushisa nokuhlaziya kwenziwa ezindaweni ezahlukene ukuze kuthuthukiswe ngempumelelo izinga eliyisisekelo le-alamu yesistimu. Kuhlelo lokusebenza inzwa, kuyadingeka ukulinganisa nokuhlaziya izinga lokushisa lamajoyinti ekhebula lokudlulisa amandla aphezulu. Inombolo yezilinganiso zokuqapha kufanele ilawulwe ku 20 noma ngaphezulu, futhi inethiwekhi yokuqapha kufanele isungulwe kusetshenziswa i-RS485 ukuze kuhlaziywe futhi kudluliselwe ulwazi ezindaweni ezingaguquki ezahlukahlukene ohlelweni., ukwakha uhlaka lokuqapha. Kungenxa yokuthi uhlelo lungakwazi ukukala izinga lokushisa labathintwayo besistimu yekhebula, futhi uma izinga lokushisa liphezulu, izokhipha i-alamu, ezingagwema izingozi ngezinga elithile.

Ukusebenzisa izinzwa ze-fiber optic ukuze kuhlaziywe ngendlela ehlelekile nokuqapha ukuphepha kwamadivayisi kagesi kungathuthukisa ngempumelelo imiphumela yokuhlaziywa kwedatha, qinisekisa ubuqotho bokuhlaziywa kwedatha okulandelayo kanye nokusebenza kahle kokwahlulela, futhi uqinisekise ukufaneleka kwezinga lokumunca ngesisekelo sokuhlanganisa ngempumelelo amapharamitha wamandla okukhanya, ukubeka isisekelo sokuthuthukisa okuphelele kokunemba kokulinganisa.