Ngokuthuthuka kwezikhathi, izimboni ezifana nocwaningo lwesayensi, ezolimo, i-HVAC, izindwangu, amagumbi amakhompyutha, indawo yezindiza, kanye nogesi ziya ngokuya zidinga ukusetshenziswaumswakamaizinzwa. Isidingo sekhwalithi yomkhiqizo siya ngokuya sikhuphuka, kanye nokulawulwa kwemveloizinga lokushisakanye nomswakama, kanye nokuqapha nokuhlaziya okuqukethwe komswakama wezinto zasembonini, konke sekujwayelekileezobuchwephesheizidingo. Izinzwa zomswakama kanye nesilinganiso somswakama yizimboni ezivele ku-1990s. Indlela yokusebenzisa izinzwa zomswakama ngempumelelo nokuthi ungahlulela kanjaniukusebenzaIzinzwa zomswakama zihlala ziyinkinga yezobuchwepheshe eyinkimbinkimbi kumsebenzisi ojwayelekile.
Nazi ezinye izinkomba zakho zokuthi ungazikhetha kanjani izinzwa zomswakama:
Ukwahlukaniswa nezici zezinzwa zomswakama: Izinzwa zomswakama zihlukaniswe zibe uhlobo lokumelana kanyeamandla-uhlobo, futhi uhlobo oluyisisekelo lomkhiqizo ukugqoka into ezwayo ku-substrate ukuze kwakhe ulwelwesi oluzwayo. Ngemvaamanziumhwamuko osemoyeni ukhangiswa ezintweni ezizwayo, i-impedance kanye ne-dielectric constant ye-elementi kushintsha kakhulu, ngaleyo ndlela yakhe into ezwela umswakama.
Ukunemba nokuzinza kwesikhathi eside: Ukunemba kwezinzwa zomswakama kufanele kufinyelele ku-±2% kuya ku-±5% RH. Kunzima ukufeza leli zinga, futhi ngokuvamile, i-drift ingaphakathi ± 2%. Ngaphezu kwalokho.
Izinga lokushisai-coefficient yezinzwa zomswakama: Ngaphezu kokuzwela kumswakama wendawo, izinzwa zomswakama nazo zizwela kakhulu izinga lokushisa. I-coefficient yezinga lokushisa ngokuvamile ingaphakathi kuka-0.2 kuya ku-0.8% RH/℃, futhi enye ingase ihluke kuye ngobuswakamo obuhlobene. Ukushintsha kwezinga lokushisa okuqondile kwezinzwa zomswakama kuthinta ngokuqondile umphumela wesinxephezelo, futhi ukukhukhuleka kwezinga lokushisa okungewona umugqa ngokuvamile kuyehluleki ukuzuza imiphumela emihle yesinxephezelo.Kuphelangesinxephezelo sokulandelela izinga lokushisa kwezingxenyekazi zekhompiyutha kungaba imiphumela yesinxephezelo sangempela ingafinyelelwa. Izinga lokushisa elisebenzayo lezinzwa eziningi zokuswakama kunzima ukweqa ama-40 ℃.
Amandlaukuhlinzekwa kwezinzwa zomswakama: Izinto eziningi ezizwela umswakama njenge-metal oxide ceramics, polymers, ne-lithium chloride ziba nezinguquko zokusebenza noma zehluleke ngisho nalapho kufakwa i-DC.i-voltage. Ngakho-ke, lezi zinzwa zomswakama kumele zinikezwe amandla yi-ACamandla.
Ukushintshelana: Okwamanje, kunenkinga enkulu ngokushintshana kwezinzwa zomswakama. Izinzwa zemodeli efanayo azikwazi ukushintshaniswa, okuthinta kakhulu umphumela wokusetshenziswa futhi kwengeze ubunzima ekulungiseni nasekusebenziseni. Abanye abakhiqizi benze imizamo ehlukahlukene mayelana nalokhu futhi bathole imiphumela emihle.
Ukulinganisa umswakamo: Ukulinganiswa komswakama kunzima kakhulu kunokulinganisa izinga lokushisa. Amathemometha ajwayelekile avame ukusetshenziselwa ukulinganisa izinga lokushisa, kodwa ukulinganisa umswakama, izindlela zokulinganisa isixazululo sikasawoti ogcwele zivame ukusetshenziswa, futhi izinga lokushisa kufanele likalwe.
Izindlela ezimbalwa zokwahlulela ekuqaleni ukusebenza kwezinzwa zomswakama: Uma kungekho ukulinganiswa okunzima kwezinzwa zomswakama, ezinye izindlela ezilula nezilula zingasetshenziswa ukwahlulela ukusebenza kwezinzwa zomswakama.
Ukuzimisela kokuvumelana: Thenga izinzwa zomswakama ezingaphezu kwezimbili zohlobo olufanayo nomkhiqizi. Okuningi, kungcono. Zibeke ndawonye bese uqhathanisa amanani okukhiphayo. Ngaphansi kwezimo ezizinzile, bheka ukuvumelana kokuhlolwa. Ukuhlola okwengeziwe kungenziwa ngokurekhoda ngezikhathi ezithile phakathi kwamahora angu-24, futhi ubheke kumswakama ohlukahlukene nezimo zokushisa, ezifana nomswakama ophezulu, ophakathi nendawo, nophansi, ukuze kubhekwe ngokugcwele ukuvumelana nokuzinza komkhiqizo, okuhlanganisa izici zesinxephezelo sokushisa.
Ukuzwa ukuswakama ngokufutha ngomlomo noma ngokusebenzisa ezinye izindlela zokunyakazisa: Bheka ukuzwela kwawo, ukuphindaphindeka kwawo, ukumuncwa komswakamo nokusebenza kokuwohloka, kanye nokucaca kanye nebanga eliphezulu lomkhiqizo.
Ukuhlola emabhokisini avuliwe navaliwe: Qhathanisa futhi uhlole ukuthi ayahambisana yini, futhi ubheke umphumela wokushisa.
Ukuhlola emazingeni okushisa aphezulu naphansi (ngokwezinga elikubhukwana): Hlola futhi uqhathanise namarekhodi ngaphambi nangemuva kokubuyela kokujwayelekile, ukuhlola ukuguquguquka kwezinga lokushisa lomkhiqizo futhi ubheke ukuhambisana komkhiqizo.
Ukusebenza komkhiqizo ekugcineni kuncike ezindleleni zokutholwa eziphelele nezifanelekile zomnyango wokuhlola ikhwalithi. Isaturationisixazululo sikasawoti sisetshenziselwa ukulinganisa, noma umkhiqizo ungaqhathaniswa futhi uhlolwe. Ukulinganisa isikhathi eside ngesikhathi sokusetshenziswa kwesikhathi eside komkhiqizo nakho kuyadingeka ukuze wahlulele ngokugcwele ikhwalithi yenzwa yomswakama.
Ukuhlaziywa kwemikhiqizo eminingi yezinzwa zomswakama emakethe: Imikhiqizo eminingi yezinzwa zomswakama wasekhaya neyangaphandle iye yavela emakethe, enomswakama wohlobo lwe-capacitance-ebucayiizici ezivame kakhulu. Izinhlobo zezinto zokuzwa ikakhulukazi zihlanganisa ama-polymers, i-lithiumi-chloride, kanye nama-oxide ensimbi.
Izinzuzo zama-elementi azwela umswakama wohlobo lwe-capacitance isivinini sokuphendula esisheshayo, usayizi omncane, kanye nomugqa omuhle. Azinzile. Eminye imikhiqizo yangaphandle iphinde ibe nokusebenza kwezinga lokushisa eliphezulu. Kodwa-ke, imikhiqizo esezingeni eliphezulu yalolu hlobo iphuma phesheya kakhulu futhi ibiza kakhulu. Eminye imikhiqizo eshibhile emakethe ivamise ukuhluleka ukuhlangabezana nalezi zindinganiso ezingenhla, ezinomugqa ophansi, ukungaguquguquki, kanye nokuphindaphindeka. Ukwehluka kwebanga lomswakamo ophansi nangaphezulu (ngaphansi kuka-30% RH nangaphezulu kuka-80% RH) ubalulekile. Eminye imikhiqizo isebenzisa amakhompiyutha e-single-chip ukuze kunxeshezelwe futhi kulungiswe, okwehlisa ukunemba futhi kwethule ukushiyeka kokuchezuka okukhulu kanye nomugqa ompofu. Kungakhathaliseki ukuthi i-capacitance-uhlobo oluphansi lwezinto ezizwelayo umswakama, ukuzinza kwesikhathi eside akulungile. Ngemuva kokusetshenziswa isikhathi eside, ukukhukhuleka kuvame ukuba nzima, futhi ukuhlukahluka komswakama kuyazwelaamandlaamanani asezingeni le-pF. Ushintsho lwe-RH elingu-1% lungaphansi kuka-0.5 pF, futhi ukukhukhuleka kwamanani e-capacitance ngokuvamile kubangela amaphutha amashumi e-RH%. Ama-elementi amaningi azwela umswakama wohlobo lwe-capacitance awanakho ukusebenza ukuze asebenze emazingeni okushisa angaphezu kuka-40 ℃, futhi ngokuvamile ayahluleka noma awonakele.
Izakhi ezizwela umswakama ezinomthamo nazo zinokushiyeka okuthile mayelana nokumelana nokugqwala. Ngokuvamile zidinga izinga eliphezulu lokuhlanzeka endaweni ezungezile. Eminye imikhiqizo ijwayele ukwehluleka njengokuhluleka ukukhanya kanye nokwehluleka kokuma. Izinzwa ze-Metal oxide ceramic humidity zinezinzuzo ezifanayo nezinzwa zomswakama we-capacitive, kodwa ukuxhunywa kothuli lwezimbotshana zobumba kungabangela ukwehluleka kwengxenye. Ngokuvamile, indlela yokuvula amandla ukuze kukhishwe uthuli isetshenziswa, kodwa umphumela awulungile, futhi awukwazi ukusetshenziswa ezindaweni ezivuthayo neziqhumayo. Izinto zokuzwa ze-Alumina azikwazi ukunqoba ubuthakathaka "bokuguga kwemvelo" kwesakhiwo esingaphezulu, futhi i-impedance ayizinzile. Izinzwa ze-Metal oxide ceramic humidity nazo zinobubi bokungaqini kahle kwesikhathi eside.
Izinzwa zomswakama we-lithium chloride zinenzuzo evelele kakhulu yokuqina okuhle kwesikhathi eside. Ngokukhiqiza inqubo eqinile, amathuluzi nezinzwa ezikhiqiziwe zingafinyelela ukunemba okuphezulu, ukuzinza okuhle, kanye nomugqa, okuqinisekisa impilo yesevisi yesikhathi eside enokwethenjelwa. Izinzwa zomswakama we-lithium chloride azikwazi ukuthathelwa indawo ezinye izinto zokuzwa mayelana nokuzinza kwesikhathi eside.
Isikhathi sokuthumela: Feb-26-2024