Daim ntawv thov nyob rau hauv daim ntawv Circuit Court boards
Nyob rau hauv cov txheej txheem ntawm kev luam ntawv Circuit Court boards (tom qab no hu ua PCB), aramid fibers yog siv los ua ke cov high-density electronic chip lead txhawb.Hom kev txhawb nqa no muaj zog tensile zog, yog li nws tuaj yeem zam cov nplooj ntawv tooj liab thiab resin substrates tom qab ua kom sov.teeb meem ntawm kev sib cais.Hauv kev lag luam hluav taws xob, kev siv cov khoom siv aramid los tsim cov PCB boards tuaj yeem txhim kho lub zog thiab zoo ntawm Circuit Court boards.Hom Circuit Board no muaj qhov loj me thiab nthuav dav coefficient ntawm 3×10-6 /℃.Vim tias qhov tsis tshua muaj dielectric tsis tu ncua ntawm lub rooj tsav xwm hauv Circuit Court, nws yog tsim rau high-speed kis tau tus mob ntawm cov kab.
Piv nrog rau cov khoom siv iav fiber ntau, qhov loj ntawm lub rooj tsav xwm Circuit Court no yog txo los ntawm 20%, yog li paub txog lub hom phiaj tsim khoom ntawm lub teeb yuag thiab me me ntawm cov khoom siv hluav taws xob.Lub tuam txhab Nyij Pooj tau tsim lub rooj tsav xwm PCB nrog kev ruaj ntseg zoo dua, hloov tau yooj yim dua, thiab muaj zog dua noo noo.Hauv kev tsim khoom,aramid fibersyog siv nyob rau hauv meta-txoj hauj lwm, uas ua rau kom ceev cov kev npaj ntawm epoxy-raws li resin cov ntaub ntawv.Piv nrog rau daim ntawv thov ntawm cov khoom sib txawv, nws yooj yim dua rau kev ua haujlwm thiab muaj kev ua haujlwm zoo dua ntawm kev nqus dej.PCBs ua los ntawm aramid fibers yog lub teeb hauv qhov hnyav thiab muaj zog hauv kev ua haujlwm, thiab tuaj yeem siv rau hauv smartphones thiab ntsiav tshuaj computers.Tsis tas li ntawd, tam sim no Circuit Court boards raws li aramid fiber ntau nrog cov txheej txheem ntau txheej tuaj yeem ntim cov khoom siv hluav taws xob siab, uas tsim nyog rau kev sib kis ceev ntawm circuits thiab tau siv dav hauv kev lag luam tub rog.
Daim ntawv thov hauv Antenna Cheebtsam
Vim tias cov khoom siv aramid muaj cov khoom zoo dielectric, nws yog siv rau hauv qhov chaw radome, uas yog thinner dua li cov iav radome, nrog zoo rigidity thiab siab dua cov teeb liab transmittance.Piv nrog rau ib nrab-wavelength radome, lub radome nyob rau hauv txoj hauj lwm interlayer siv cov khoom siv aramid los ua qhovzib muinterlayer.Cov khoom siv tseem ceeb yog qhov sib dua ntawm qhov hnyav thiab siab zog dua li cov khoom siv hauv iav.Qhov tsis zoo yog tus nqi tsim khoom.siab dua.Yog li ntawd, nws tsuas yog siv tau rau hauv kev tsim cov khoom siv radome hauv high-end teb xws li nkoj nkoj radar thiab huab cua radar.Cov tuam txhab Asmeskas thiab Nyij Pooj tau koom ua ke tsim lub radar parabolic kav hlau txais xov, siv cov ntaub ntawv para-aramid ntawm lub radar reflective nto.
Raws li kev tshawb nrhiavaramid fiber ntaucov ntaub ntawv pib lig nyob rau hauv kuv lub teb chaws, thev naus laus zis tau tsim sai heev.Tam sim no tsim satellite APSTAR-2R siv lub honeycomb interlayer ua lub ntsej muag ntawm lub kav hlau txais xov.Cov tawv nqaij sab hauv thiab sab nrauv ntawm lub kav hlau txais xov siv cov khoom siv para-aramid, thiab kev sib tshuam siv honeycomb aramid.Hauv kev tsim cov txheej txheem ntawm lub dav hlau radome, para-aramid yog siv los ua kom zoo dua ntawm kev ua haujlwm zoo nthwv dej ntawm cov khoom siv no thiab cov coefficient qis qis, yog li qhov zaus ntawm lub reflector tuaj yeem ua tau raws li qhov xav tau ntawm nws tus kheej cov qauv thiab kev ua haujlwm. .ESA tau tsim ob-xim sub-hom reflector nrog txoj kab uas hla ntawm 1.1m.Nws siv cov qauv meta-honeycomb hauv cov qauv sandwich thiab siv cov khoom siv aramid raws li daim tawv nqaij.Lub epoxy resin kub ntawm cov qauv no tuaj yeem ncav cuag 25°C thiab qhov dielectric tsis tu ncua yog 3.46.Qhov poob qhov tseem ceeb yog 0.013, qhov kev xav poob ntawm qhov sib txuas ntawm qhov kev cuam tshuam no tsuas yog 0.3dB, thiab cov teeb liab kis tau yog 0.5dB.
Ob-xim sub-hom reflector siv nyob rau hauv satellite system nyob rau hauv Sweden muaj ib txoj kab uas hla ntawm 1.42m, ib tug kis tau tus mob ntawm <0.25dB, thiab ib tug reflection poob ntawm <0.1dB.kuv lub teb chaws lub koom haum ntawm Electronics tau tsim cov khoom zoo sib xws, uas muaj tib cov qauv sandwich raws li cov kav hlau txais xov txawv teb chaws, tab sis siv cov ntaub ntawv aramid thiab iav fiber ntau cov ntaub ntawv ua cov tawv nqaij.Qhov kev xav poob ntawm lub kav hlau txais xov no hauv qhov txuas txuas yog <0.5dB, thiab qhov kis tsis tau yog <0.3 dB.
Cov ntawv thov hauv lwm qhov chaw
Ntxiv nrog rau cov ntawv thov hauv cov teb saum toj no, aramid fibers kuj tau siv dav hauv cov khoom siv hluav taws xob xws li cov yeeb yaj kiab sib xyaw, cov hlua khi / cov pas nrig, cov kab hluav taws xob, thiab cov nres.Piv txwv li: Hauv 500kV kis tau tus mob, siv cov hlua insulating ua los ntawm cov khoom siv aramid es tsis txhob insulating suspender li cov khoom siv thauj khoom, thiab siv cov hlua insulating los txuas cov ntsia hlau pas nrig, uas yog qhov tsim nyog rau kev txhawb nqa kev nyab xeeb saum toj 3. Cov insulating pas nrig yog tsim los ntawm aramid fiber ntau thiab polyester fiber intertwined, muab tso rau hauv lub tshuab nqus tsev, raus hauv epoxy resin khoom, thiab zoo li tus tom qab kho.Nws muaj kev tiv thaiv corrosion zoo thaum siv, lub teeb yuag thiab muaj zog dua, thiab cov khoom siv no muaj kev ua haujlwm zoo rwb thaiv tsev.Nyob rau hauv 110kV kab, kev khiav hauj lwm ntawm kev siv insulating rods yog heev nquag, thiab nws mechanical zog yog siab thaum lub sij hawm daim ntawv thov, thiab nws muaj zoo dynamic qaug zog tsis kam.Hauv kev tsim cov tshuab hluav taws xob, kev siv cov khoom siv aramid fiber ntau tuaj yeem txhim kho lub zog ntawm cov khoom thiab tiv thaiv kev hnav hnyav ntawm qhov chaw ntawm molding hloov.Nws tuaj yeem hloov cov iav fibers hauv cov khoom siv hluav taws xob.Cov ntsiab lus fiber ntau ntawm aramid fibers yog 5%, thiab qhov ntev tuaj yeem ncav cuag 6.4 hli.Lub zog tensile yog 28.5MPa, arc tsis kam yog 192s, thiab qhov cuam tshuam lub zog yog 138.68J / m, yog li qhov hnav tsis kam yog siab dua.
Nyob rau hauv tag nrho,aramid cov ntaub ntawvtau dav siv nyob rau hauv kev lag luam hluav taws xob rwb thaiv tsev thiab hluav taws xob, tab sis lawv kuj tseem ntsib teeb meem.Lub teb chaws yuav tsum tau ua cov haujlwm xws li transformers thiab cov khoom siv hluav taws xob xa hluav taws xob los txhawb kev txhawb nqa thiab kev siv cov khoom siv no hauv hluav taws xob rwb thaiv tsev, thiab txuas ntxiv txo cov kev siv thiab cov khoom txawv teb chaws.qhov sib txawv.Nyob rau tib lub sijhawm, cov ntawv thov kev ua haujlwm siab hauv Circuit Court boards, radar thiab lwm yam haujlwm yuav tsum tau txhawb kom muab kev ua si tag nrho rau qhov zoo ntawm cov khoom siv thiab txhawb kev txhim kho zoo dua ntawm kuv lub teb chaws cov hluav taws xob rwb thaiv tsev thiab cov khoom siv hluav taws xob.
Post lub sij hawm: Mar-06-2023