SAS (Serial Attached SCSI) yog ib tiam tshiab ntawm SCSI thev naus laus zis. Nws zoo ib yam li cov Serial ATA (SATA) hard disks nrov. Nws siv Serial thev naus laus zis los ua kom muaj kev sib kis ceev dua thiab txhim kho qhov chaw sab hauv los ntawm kev luv cov kab sib txuas. Rau cov xov hlau liab qab, tam sim no feem ntau yog los ntawm kev ua haujlwm hluav taws xob kom paub qhov txawv, muab faib ua 6G thiab 12G, SAS4.0 24G, tab sis cov txheej txheem tsim khoom tseem ceeb yog tib yam, hnub no peb tuaj qhia, Mini SAS liab qab hlau qhia thiab cov txheej txheem tswj cov txheej txheem tsim khoom. Rau SAS kab zaus siab, impedance, attenuation, loop loss, crosswish thiab lwm yam qhia txog kev sib kis yog qhov tseem ceeb tshaj plaws, thiab SAS kab zaus ua haujlwm zaus feem ntau yog 2.5GHz lossis ntau dua nyob rau hauv qhov zaus siab, cia peb saib yuav ua li cas tsim cov kab ceev ceev SAS tsim nyog.
SAS cable qauv txhais
Cov xov hlau sib txuas lus zaus siab feem ntau yog ua los ntawm cov polyethylene ua npuas ncauj lossis polypropylene ua npuas ncauj ua cov ntaub ntawv rwb thaiv tsev, ob lub xov hlau rwb thaiv tsev nrog cov hlau hauv av (kev ua lag luam kuj muaj cov chaw tsim khoom siv ob txoj kev) mus rau hauv cov dav hlau charter, sab nraud ntawm cov xov hlau rwb thaiv tsev thiab cov hlau hauv av winding thiab txhuas ntawv ci thiab lamination polyester siv, kev tsim cov txheej txheem rwb thaiv tsev thiab kev tswj cov txheej txheem, cov qauv thiab kev ua haujlwm hluav taws xob xav tau ntawm kev sib kis ceev ceev thiab kev hloov pauv.
Cov kev cai rau cov neeg tsav tsheb
Rau SAS, uas kuj yog ib txoj kab xa xov tooj cua siab, qhov sib npaug ntawm txhua qhov yog qhov tseem ceeb los txiav txim siab qhov zaus xa ntawm lub cable. Yog li ntawd, raws li tus neeg xyuas pib ntawm txoj kab xa xov tooj cua siab, qhov saum npoo yog puag ncig thiab du, thiab cov qauv sab hauv lattice yog sib npaug thiab ruaj khov, kom ntseeg tau tias qhov sib npaug ntawm kev ua haujlwm hluav taws xob hauv qhov ntev; Tus neeg xyuas pib kuj yuav tsum muaj qhov tsis kam DC tsawg; Tib lub sijhawm yuav tsum zam vim yog cov xov hlau, cov khoom siv, lossis lwm yam khoom siv sab hauv tus neeg xyuas pib khoov lossis khoov, deformation thiab kev puas tsuaj, thiab lwm yam, hauv cov kab xa xov tooj cua siab, kev tiv thaiv tus neeg xyuas pib yog tshwm sim los ntawm kev txo qis ntawm cov xov hlau (cov txheej txheem zaus siab daim ntawv 01 - kev txo qis) ntawm cov yam tseem ceeb, muaj ob txoj hauv kev los txo qhov tsis kam ntawm tus neeg xyuas pib: nce qhov txoj kab uas hla ntawm tus neeg xyuas pib, xaiv cov khoom siv tus neeg xyuas pib nrog qhov tsis kam qis. Thaum lub txoj kab uas hla ntawm tus neeg xyuas pib nce, txhawm rau kom ua tau raws li qhov yuav tsum tau ua ntawm tus yam ntxwv impedance, qhov txoj kab uas hla sab nraud ntawm kev rwb thaiv tsev thiab cov khoom tiav yuav tsum nce raws li, ua rau muaj nqi ntau dua thiab ua tsis yooj yim. Feem ntau siv cov khoom siv hluav taws xob tsawg tsawg rau cov nyiaj, hauv kev xav, SIV cov neeg hlau nyiaj, cov khoom tiav lawm yuav txo qis, yuav muaj kev ua tau zoo heev, tab sis vim tias tus nqi ntawm cov nyiaj siab dua tus nqi ntawm tooj liab, tus nqi siab dhau, tsis tuaj yeem tsim khoom, txhawm rau kom muaj peev xwm coj mus rau hauv tus account tus nqi thiab qis resistivity, peb siv cov nyhuv ntawm daim tawv nqaij, los tsim cov cable conductor, Tam sim no, SAS 6G siv cov neeg hlau tooj liab tinned kom tau raws li kev ua haujlwm hluav taws xob, thaum SAS 12G thiab 24G pib siv cov neeg hlau nyiaj-plated.
Thaum muaj hluav taws xob hloov pauv lossis hluav taws xob hloov pauv hauv tus neeg xyuas hluav taws xob, qhov tshwm sim ntawm kev faib hluav taws xob tsis sib xws yuav tshwm sim hauv tus neeg xyuas hluav taws xob. Thaum qhov deb ntawm qhov chaw ntawm tus neeg xyuas hluav taws xob nce ntxiv, qhov ceev tam sim no hauv tus neeg xyuas hluav taws xob txo qis exponentially, uas yog, tam sim no hauv tus neeg xyuas hluav taws xob tsom mus rau qhov chaw ntawm tus neeg xyuas hluav taws xob. Los ntawm qhov pom ntawm qhov seem hla perpendicular rau qhov kev taw qhia ntawm tam sim no, qhov muaj zog tam sim no hauv nruab nrab ntawm tus neeg xyuas hluav taws xob yog xoom, uas yog, yuav luag tsis muaj tam sim no ntws, tsuas yog nyob rau hauv ib feem ntawm ntug ntawm tus neeg xyuas hluav taws xob yuav muaj sub-flow. Hauv cov lus yooj yim, tam sim no yog tsom mus rau "tawv nqaij" ntawm tus neeg xyuas hluav taws xob, yog li nws hu ua cov nyhuv ntawm daim tawv nqaij thiab qhov cuam tshuam yog tshwm sim los ntawm kev hloov pauv ntawm lub teb hluav taws xob tsim lub zog hluav taws xob vortex hauv tus neeg xyuas hluav taws xob, uas tshem tawm cov tam sim no qub. Cov nyhuv ntawm daim tawv nqaij ua rau qhov tsis kam ntawm tus neeg xyuas pib nce nrog rau qhov zaus ntawm qhov hloov pauv tam sim no nce, thiab ua rau qhov kev ua haujlwm tam sim no ntawm kev sib kis hlau txo qis, siv cov khoom siv hlau, tab sis hauv kev tsim cov xov tooj sib txuas lus zaus siab, tab sis tuaj yeem siv qhov zoo ntawm lub hauv paus ntsiab lus no, nrog rau txoj kev ntawm plating nyiaj rau ntawm qhov chaw kom ua tau raws li tib yam kev ua tau zoo raws li qhov kev xav tau ntawm kev txo cov hlau siv, yog li txo tus nqi.
Cov kev cai rau kev rwb thaiv tsev
Cov khoom siv rwb thaiv tsev yuav tsum sib xws, uas zoo ib yam li tus neeg coj. Yuav kom tau txais qhov dielectric tsis tu ncua S qis dua thiab tangent ntawm dielectric poob lub kaum sab xis, SAS cables feem ntau yog insulated los ntawm PP lossis FEP, thiab qee cov SAS cables kuj tseem insulated los ntawm ua npuas ncauj. Thaum qhov degree foaming ntau dua 45%, tshuaj foaming nyuaj rau ua tiav, thiab qhov degree foaming tsis ruaj khov, yog li cov cable tshaj 12G yuav tsum tau txais kev ua npuas ncauj lub cev.
Lub luag haujlwm tseem ceeb ntawm lub cev ua npuas ncauj endodermis yog kom nce qhov kev sib txuas ntawm tus neeg xyuas pib thiab rwb thaiv tsev. Ib qho kev sib txuas yuav tsum tau lees paub ntawm cov txheej rwb thaiv tsev thiab tus neeg xyuas pib; txwv tsis pub, qhov sib txawv cua yuav tsim ntawm cov txheej rwb thaiv tsev thiab tus neeg xyuas pib, ua rau muaj kev hloov pauv ntawm dielectric tas mus li £ thiab qhov tangent nqi ntawm dielectric poob lub kaum sab xis.
Cov khoom siv rwb thaiv tsev polyethylene raug thawb mus rau lub qhov ntswg los ntawm lub hau ntswj, thiab tam sim ntawd raug rau lub siab ntawm huab cua ntawm qhov tawm ntawm lub qhov ntswg, tsim cov qhov thiab cov npuas sib txuas. Yog li ntawd, cov pa roj raug tso tawm hauv qhov sib txawv ntawm tus neeg xyuas pib thiab qhov qhib pwm, tsim cov qhov npuas ntev raws qhov chaw ntawm tus neeg xyuas pib. Txhawm rau daws ob qhov teeb meem saum toj no, nws yog qhov tsim nyog los thawb cov txheej ua npuas ncauj tib lub sijhawm ... Cov tawv nqaij nyias nyias raug nias rau hauv txheej sab hauv kom tiv thaiv cov pa roj los ntawm kev raug tso tawm raws qhov chaw ntawm tus neeg xyuas pib, thiab txheej sab hauv tuaj yeem kaw cov npuas kom ntseeg tau tias muaj kev ruaj khov ntawm cov khoom xa tawm, yog li txo qhov attenuation thiab qeeb ntawm lub cable, thiab xyuas kom meej tias muaj kev ruaj khov ntawm cov yam ntxwv impedance hauv tag nrho cov kab xa tawm. Rau kev xaiv ntawm endodermis, nws yuav tsum ua tau raws li qhov yuav tsum tau ua ntawm phab ntsa nyias nyias nyob rau hauv cov xwm txheej ntawm kev tsim khoom ceev ceev, uas yog hais tias, cov khoom siv yuav tsum muaj cov khoom tensile zoo heev. LLDPE yog qhov kev xaiv zoo tshaj plaws los ua kom tau raws li qhov yuav tsum tau ua no.
Cov kev cai ntawm cov khoom siv
Cov hlau tseem ceeb uas muaj cov rwb thaiv tsev yog lub hauv paus ntawm kev tsim cov xov hlau, thiab qhov zoo ntawm cov hlau tseem ceeb muaj feem cuam tshuam tseem ceeb heev rau cov txheej txheem tom ntej. Hauv cov txheej txheem ntawm kev txais yuav cov hlau tseem ceeb, cov khoom siv tsim khoom yuav tsum muaj kev saib xyuas online thiab kev tswj hwm kom ntseeg tau tias cov hlau tseem ceeb sib xws thiab ruaj khov, thiab tswj cov txheej txheem txheej txheem, suav nrog txoj kab uas hla ntawm cov hlau tseem ceeb, lub peev xwm hauv dej, concentricity, thiab lwm yam.
Ua ntej txuas cov xov hlau sib txawv, yuav tsum tau ua kom sov rau txoj siv polyester uas nplaum nws tus kheej kom yaj thiab khi cov nplaum kub yaj rau ntawm txoj siv polyester uas nplaum nws tus kheej. Qhov chaw uas yaj kub siv lub tshuab ua kom sov electromagnetic kub uas tswj tau, uas tuaj yeem kho qhov kub thiab txias kom haum rau qhov xav tau tiag tiag. Muaj cov txheej txheem teeb tsa ntsug thiab kab rov tav ntawm lub tshuab ua kom sov dav dav. Lub tshuab ua kom sov ntsug tuaj yeem txuag qhov chaw, tab sis cov xov hlau winding yuav tsum dhau los ntawm ntau lub log tswj nrog lub kaum sab xis loj kom nkag mus rau hauv lub tshuab ua kom sov, uas yooj yim hloov qhov chaw sib piv ntawm cov xov hlau insulating thiab txoj siv qhwv, ua rau kev ua haujlwm hluav taws xob ntawm txoj kab xa xov hluav taws xob siab poob qis. Qhov sib piv, lub tshuab ua kom sov kab rov tav nyob hauv tib kab nrog cov kab qhwv, ua ntej nkag mus rau hauv lub tshuab ua kom sov, cov kab tsuas yog dhau los ntawm ob peb lub log tswj nrog lub luag haujlwm ntawm kev sib phim hauv tebchaws, txoj hlua qhwv tsis hloov lub kaum sab xis thaum dhau los ntawm lub log tswj, ua kom ntseeg tau tias qhov ruaj khov ntawm txoj haujlwm knitting theem ntawm cov xov hlau insulating thiab txoj siv qhwv. Qhov tsis zoo ntawm lub tshuab ua ntej kab rov tav tsuas yog tias nws siv ntau qhov chaw thiab cov kab ntau lawm ntev dua li lub tshuab winding nrog lub tshuab ua ntej ntsug.
Lub sijhawm tshaj tawm: Lub Yim Hli-16-2022
