Likopo libotong tsa potoloho tse hatisitsoeng
Ts'ebetsong ea ho etsa liboto tsa potoloho tse hatisitsoeng (tseo mona li tla bitsoa PCB), likhoele tsa aramid li sebelisoa ho kopanya litšehetso tse phahameng tsa elektroniki tsa chip lead.Mofuta ona oa ts'ehetso o na le thepa e matla ea ho tsitsisa, kahoo e ka qoba maqephe a koporo le li-resin substrates ka mor'a ho futhumala.mathata a karohano.Lefapheng la elektronike, tšebeliso ea lisebelisoa tsa aramid ho etsa liboto tsa PCB li ka ntlafatsa matla le boleng ba liboto tsa potoloho.Mofuta ona oa boto ea potoloho o na le boholo bo botle le coefficient ea katoloso ea 3×10-6/℃.Ka lebaka la boemo bo tlaase ba dielectric boto ea boto ea potoloho, e loketse phetisetso e phahameng ea lebelo la mela.
Ha ho bapisoa le lisebelisoa tsa fiber ea khalase, boima ba boto ena ea potoloho bo fokotsehile ka 20%, kahoo ho phethahatsa sepheo sa tlhahiso ea boima bo bobebe le tsamaiso e nyenyane ea lisebelisoa tsa elektronike.Khampani ea Japane e thehile boto ea PCB e nang le botsitso bo betere, ho tenyetseha ho holimo, le ho hanyetsa mongobo ka matla.Ts'ebetsong ea tlhahiso,likhoele tsa aramidli sebelisoa sebakeng sa meta, se potlakisang ho lokisoa ha lisebelisoa tsa epoxy-based resin.Ha ho bapisoa le ts'ebeliso ea thepa e fapaneng, ho bonolo ho e sebetsa ebile e na le ts'ebetso e ntle ea ho monya mongobo.Li-PCB tse entsoeng ka likhoele tsa aramid li bobebe ka boima ba 'mele ebile li matla ts'ebetsong, 'me li ka sebelisoa ho li-smartphone le lik'homphieutha tsa tablet.Ho feta moo, liboto tsa sejoale-joale tse thehiloeng holim'a fiber ea aramid e nang le li-multi-layer structures li ka paka lisebelisoa tsa elektronike tse matla haholo, tse loketseng ho fetisoa ha lipotoloho ka lebelo le phahameng 'me li sebelisitsoe haholo indastering ea sesole.
Lisebelisoa ho Likarolo tsa Antenna
Hobane thepa ea aramid e na le thepa e ntle ea dielectric, e sebelisoa likarolong tsa radome, e leng tšesaane ho feta radome ea khale ea khalase, e nang le boits'oaro bo botle le ho fetisa lipontšo tse phahameng.Ha ho bapisoa le radome ea halofo ea wavelength, radome e boemong ba interlayer e sebelisa thepa ea aramid ho etsakhekhe ea linotsiinterlayer.Thepa ea mantlha e bobebe ka boima ebile e matla ho feta lisebelisoa tsa mantlha tsa khalase.Bothata ke litšenyehelo tsa tlhahiso.hodimo.Ka hona, e ka sebelisoa feela ha ho etsoa likarolo tsa radome libakeng tse phahameng tse kang shipboard radar le airborne radar.Likhamphani tsa Amerika le Japane ka kopanelo li ile tsa theha antenna ea parabolic ea radar, e sebelisa lisebelisoa tsa para-aramid sebakeng se khanyang sa radar.
Ho tloha ka lipatlisiso kafiber ea aramidthepa e qalile hoo e batlang e le morao haholo naheng ea heso, theknoloji e tsoetse pele ka potlako.Sathelaete e ntlafalitsoeng hajoale ea APSTAR-2R e sebelisa sehokelo sa khekhe ea linotsi joalo ka bokaholimo bo bonahatsang ba antenna.Matlalo a kahare le kantle a lenakana a sebelisa lisebelisoa tsa para-aramid, 'me kemiso e sebelisa aramid ea khekhe ea linotsi.Ts'ebetsong ea ho etsa radome ea sefofane, para-aramid e sebelisoa ho nka monyetla ka ts'ebetso e ntle ea phetisetso ea leqhubu la thepa ena le coefficient e tlase ea katoloso, kahoo maqhubu a sebono a ka fihlela litlhoko tse peli tsa sebopeho le ts'ebetso ea eona. .ESA e thehile setšoantšo sa mefuta e 'meli sa mofuta o monyane se nang le bophara ba 1.1m.E sebelisa sebopeho sa khekhe ea mahe a linotsi ka har'a sandwich mme e sebelisa thepa ea aramid joalo ka letlalo.Mocheso oa epoxy resin oa mohaho ona o ka fihla ho 25°C le dielectric constant ke 3.46.Ntho ea ho lahleheloa ke 0.013, tahlehelo ea pontšo ea khokahanyo ea phetisetso ea mofuta ona oa ho bonahatsa ke 0.3dB feela, 'me tahlehelo ea pontšo ea phetisetso ke 0.5dB.
Sebopeho sa mefuta e 'meli ea mefuta e meholo e sebelisoang tsamaisong ea satellite ea Sweden e na le bophara ba 1.42m, tahlehelo ea phetisetso ea <0.25dB, le tahlehelo ea ho bonahatsa <0.1dB.Setsi sa Naha sa heso sa Electronics se hlahisitse lihlahisoa tse tšoanang, tse nang le sebopeho sa sandwich se tšoanang le li-antenna tsa kantle ho naha, empa li sebelisa lisebelisoa tsa aramid le lisebelisoa tse kopaneng tsa fiber ea khalase joalo ka matlalo.Tahlehelo e bonts'ang ea antenna ena sehokelong sa phetiso ke <0.5dB, mme tahlehelo ea phetisetso ke <0.3 dB.
Lisebelisoa libakeng tse ling
Ntle le lits'ebetso tse hlahang masimong a kaholimo, likhoele tsa aramid li boetse li sebelisoa haholo linthong tsa elektroniki joalo ka lifilimi tse kopaneng, liropo / melamu, li-circuit breaker le mariki.Mohlala: Mohalang oa phepelo oa 500kV, sebelisa thapo e sireletsang e entsoeng ka thepa ea aramid ho e-na le ho kenya suspender e le sesebelisoa sa ho jara moroalo, 'me u sebelise thapo e sireletsang ho hokela screw rod, e leng ntho e loketseng ho khothaletsa tšireletso e ka holimo ho 3. The insulating rod haholo-holo e entsoe ka fiber ea aramid le fiber ea polyester e lohelletsoeng, e kentsoeng ka har'a vacuum, e qoelisoa ka thepa ea epoxy resin, 'me e bōpehile ka mor'a ho folisoa.E na le khanyetso e ntle ea kutu nakong ea ts'ebeliso, boima bo bobebe le matla a holimo, 'me thepa ena e na le ts'ebetso e ntle ea insulation.Moleng oa 110kV, ts'ebetso ea ho sebelisa lithupa tsa insulate e batla e le khafetsa, 'me matla a eona a mochine a phahame nakong ea kopo,' me e na le litšobotsi tse ntle tsa ho hanyetsa mokhathala.Ha ho etsoa mechini ea motlakase, tšebeliso ea lisebelisoa tsa fiber ea aramid e ka ntlafatsa matla a likarolo le ho thibela ho roala ho hoholo holim'a mehala ea ho bopa.E ka nkela likhoele tsa khalase sebakeng sa lisebelisoa tsa motlakase.Fiber content ea aramid fibers ke 5%, 'me bolelele bo ka fihla ho 6.4mm.Matla a thata ke 28.5MPa, ho hanyetsa arc ke 192s, 'me matla a ts'ebetso ke 138.68J / m, kahoo ho hanyetsa ho apara ho phahame.
Ka kakaretso,lisebelisoa tsa aramidli sebelisoa haholo tšimong ea ho kenya motlakase le lisebelisoa tsa elektroniki, empa li boetse li tobane le mathata.Naha e lokela ho etsa merero e kang li-transformer le lisebelisoa tsa phetisetso ea motlakase ho khothaletsa nts'etsopele le ts'ebeliso ea mofuta ona oa thepa ho insulation ea motlakase, le ho fokotsa ts'ebeliso ea tekheniki le lihlahisoa tsa kantle ho naha.lekhalo pakeng tsa.Ka nako e ts'oanang, likopo tse sebetsang hantle haholo libotong tsa potoloho, radar le masimong a mang li lokela ho khothaletsoa ho fana ka papali e felletseng ho melemo ea ts'ebetso ea lintho tse bonahalang le ho khothaletsa nts'etsopele e ntle ea masimo a naha ea heso a ho kenya motlakase le lisebelisoa tsa elektroniki.
Nako ea poso: Mar-06-2023