Lub luag haujlwm tseem ceeb ntawm cov xov hlau yog xa cov teeb liab ntawm cov ntaub ntawv. Tab sis thaum peb siv nws tiag tiag, tej zaum yuav muaj ntau yam kev cuam tshuam tsis zoo. Cia peb xav txog yog tias cov teeb liab cuam tshuam no nkag mus rau hauv tus neeg tsav tsheb sab hauv ntawm cov xov hlau thiab raug muab tso rau ntawm cov teeb liab xa tawm thawj zaug, puas muaj peev xwm cuam tshuam lossis hloov cov teeb liab xa tawm thawj zaug, ua rau poob cov teeb liab lossis teeb meem uas muaj txiaj ntsig?
Cable
Cov txheej braided thiab cov txheej aluminium foil tiv thaiv thiab tiv thaiv cov ntaub ntawv xa mus. Tau kawg tsis yog txhua cov cables ntaub ntawv muaj ob txheej tiv thaiv, qee qhov muaj ntau txheej tiv thaiv, qee qhov tsuas muaj ib qho xwb, lossis tsis muaj hlo li. Cov txheej tiv thaiv yog ib qho hlau cais ntawm ob thaj chaw kom tswj tau qhov kev tawm thiab kev tawg ntawm hluav taws xob, sib nqus thiab electromagnetic nthwv dej los ntawm ib cheeb tsam mus rau lwm qhov.
Tshwj xeeb, nws yog los puag ncig cov tub ntxhais hlau nrog cov ntaub thaiv kom tiv thaiv lawv kom tsis txhob raug cuam tshuam los ntawm cov teb hluav taws xob sab nraud / cov teeb liab cuam tshuam, thiab tib lub sijhawm los tiv thaiv cov teb hluav taws xob cuam tshuam / cov teeb liab hauv cov xov hlau kom tsis txhob kis mus rau sab nraud.
Feem ntau, cov xov hlau uas peb tab tom tham txog feem ntau suav nrog plaub hom xov hlau insulated core, twisted pairs, shielded cables thiab coaxial cables. Plaub hom xov hlau no siv cov khoom siv sib txawv thiab muaj ntau txoj hauv kev los tiv thaiv kev cuam tshuam electromagnetic.
Cov qauv sib txuas ua ke yog hom qauv cable uas siv ntau tshaj plaws. Nws cov qauv yooj yim heev, tab sis nws muaj peev xwm los sib npaug ntawm kev cuam tshuam electromagnetic. Feem ntau hais lus, qhov siab dua ntawm nws cov xov hlau sib txuas, qhov zoo dua qhov cuam tshuam tiv thaiv. Cov khoom siv sab hauv ntawm cov cable tiv thaiv muaj lub luag haujlwm ntawm kev coj lossis kev coj magnetic, yog li tsim lub net tiv thaiv thiab ua tiav qhov zoo tshaj plaws tiv thaiv kev cuam tshuam magnetic. Muaj ib txheej hlau tiv thaiv hauv coaxial cable, uas yog vim nws cov khoom siv puv sab hauv, uas tsis tsuas yog muaj nws cov txiaj ntsig zoo rau kev xa cov cim thiab txhim kho qhov cuam tshuam tiv thaiv zoo heev. Hnub no peb yuav tham txog hom thiab kev siv ntawm cov ntaub ntawv tiv thaiv cable.
Daim kab xev txhuas ntawv Mylar: Daim kab xev txhuas ntawv Mylar yog ua los ntawm ntawv txhuas ua cov khoom siv hauv paus, zaj duab xis polyester ua cov khoom siv txhawb nqa, sib txuas nrog cov kua nplaum polyurethane, kho ntawm qhov kub siab, thiab tom qab ntawd txiav. Daim kab xev txhuas ntawv Mylar feem ntau yog siv rau hauv kev tiv thaiv cov xov hlau sib txuas lus. Daim kab xev txhuas ntawv Mylar suav nrog cov ntawv txhuas ib sab, ntawv txhuas ob sab, ntawv txhuas finned, ntawv txhuas kub-yaj, daim kab xev txhuas, thiab daim kab xev txhuas-yas sib xyaw; txheej txhuas muab kev coj hluav taws xob zoo heev, kev tiv thaiv thiab tiv thaiv xeb, tuaj yeem hloov kho rau ntau yam kev xav tau.
Daim kab xev Mylar txhuas ntawv ci
Daim kab xev Mylar ntawm cov ntawv txhuas feem ntau yog siv los tiv thaiv cov nthwv dej electromagnetic siab kom tiv thaiv cov nthwv dej electromagnetic siab los ntawm kev sib cuag nrog cov neeg hlau ntawm cov xov hlau los tsim cov hluav taws xob induction thiab ua rau muaj kev sib tham ntau ntxiv. Thaum cov nthwv dej electromagnetic siab kov cov ntawv txhuas, raws li Faraday txoj cai ntawm electromagnetic induction, cov nthwv dej electromagnetic yuav lo rau ntawm qhov chaw ntawm cov ntawv txhuas thiab tsim cov hluav taws xob induction. Lub sijhawm no, xav tau tus neeg hlau los coj cov hluav taws xob induction mus rau hauv av kom tsis txhob muaj cov hluav taws xob induction cuam tshuam rau lub teeb liab kis.
Txheej braided (hlau tiv thaiv) xws li tooj liab / txhuas-magnesium alloy hlau xov hlau. Cov txheej tiv thaiv hlau yog ua los ntawm cov hlau xov hlau nrog ib qho qauv braiding los ntawm cov khoom siv braiding. Cov ntaub ntawv ntawm cov hlau tiv thaiv feem ntau yog tooj liab xov hlau (tooj liab tinned xov hlau), txhuas alloy xov hlau, tooj liab-clad txhuas xov hlau, tooj liab-clad daim kab xev (yas coated hlau daim kab xev), txhuas daim kab xev (yas coated txhuas daim kab xev), hlau daim kab xev thiab lwm yam ntaub ntawv.
Tooj Liab
Raws li kev sib txuas ntawm cov hlau, cov qauv sib txawv muaj kev ua haujlwm tiv thaiv sib txawv, qhov ua tau zoo ntawm cov txheej braided tsis yog tsuas yog cuam tshuam nrog kev ua hluav taws xob, kev sib nqus permeability thiab lwm yam kev ua haujlwm ntawm cov khoom siv hlau nws tus kheej. Thiab ntau txheej, qhov kev npog ntau dua, lub kaum sab xis braiding me dua, thiab qhov zoo dua ntawm kev ua haujlwm tiv thaiv ntawm cov txheej braided. Lub kaum sab xis braiding yuav tsum tau tswj ntawm 30-45 °.
Rau ib txheej braiding, qhov kev pab them nqi zoo dua yog siab dua 80%, yog li nws tuaj yeem hloov mus rau lwm hom zog xws li lub zog cua sov, lub zog muaj peev xwm thiab lwm hom zog los ntawm kev poob hysteresis, dielectric poob, tsis kam poob, thiab lwm yam, thiab siv zog tsis tsim nyog kom ua tiav cov txiaj ntsig ntawm kev tiv thaiv thiab nqus cov nthwv dej electromagnetic.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-15-2022