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Intshayelelo kwi-SAS yomgca onesantya esiphezulu

I-SAS(i-Serial Attached SCSI) sisizukulwana esitsha sobuchwepheshe be-SCSI. Iyafana neseriyeli edumileyo ATA(SATA) hard disks. Isebenzisa iteknoloji ye-Serial ukufezekisa isantya esiphezulu sothumelo kunye nokuphucula indawo yangaphakathi ngokunciphisa umgca wokudibanisa. Ngocingo olungenanto, okwangoku ngokuyininzi ukusuka ekusebenzeni kombane ukuhlula, yahlulwe kwi-6G kunye ne-12G, i-SAS4.0 24G, kodwa inkqubo yokuvelisa i-mainstream iyafana, namhlanje siza ukwabelana, i-Mini SAS i-wire bare isingeniso kunye nemilinganiselo yokulawula inkqubo yemveliso. Kwi-SAS i-high frequency line, i-impedance, i-attenuation, ilahleko ye-loop, i-crosswish kunye nezinye izikhombisi zothumelo zezona zibalulekileyo, kwaye i-SAS i-frequency ye-frequency frequency frequency yokusebenza ngokubanzi yi-2.5GHz okanye ngaphezulu phantsi kwe-frequency ephezulu, makhe sijonge indlela yokuvelisa umgca wesantya esiphezulu esifanelekileyo SAS.

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Inkcazo yesakhiwo sentambo ye-SAS

Ilahleko ephantsi kwintambo yonxibelelwano lwamaza ombane aphezulu idla ngokwenziwa ngepolyethylene enogwebu okanye i-polypropylene enogwebu njengezixhobo zokugquma, i-conductor ezimbini ezigqunyiweyo ezinocingo oluphantsi (imarike inomvelisi USEBENZISA iindlela ezimbini eziphindwe kabini) kwiinqwelomoya ze-charter, ngaphandle kwe-conductor egqunyiweyo kunye nokujika kocingo lomhlaba kunye ne-aluminium foil kunye nebhanti ye-lamination polyester, iimfuno zenkqubo yokugquma kunye nolawulo lombane olugqithisiweyo kunye nolawulo lombane olugqithisiweyo.

Iimfuno zabaqhubi

Kwi-SAS, ekwangumgca ophezulu wokuhanjiswa kwamaza, ukufana kwesakhiwo secandelo ngalinye yinto ephambili yokumisela ukuhanjiswa kwentambo. Ngoko ke, njengomqhubi we-high-frequency transmission line, umphezulu ujikelezileyo kwaye ugudileyo, kwaye isakhiwo sangaphakathi se-lattice sangaphakathi siyafana kwaye sizinzile, ukuqinisekisa ukufana kokusebenza kombane kwindlela yobude; I-conductor kufuneka kwakhona ibe nokumelana okuphantsi kwe-DC; Kwangaxeshanye kufuneka kuphetshwe ngenxa yocingo, izixhobo, okanye esinye isixhobo umqhubi wangaphakathi ukugoba periodic okanye aperiodic ukugoba, deformation kunye nomonakalo, njl, kwimizila yokuhanjiswa kwamaza omoya aphezulu, ukuxhathisa komqhubi kubangelwa kukuncitshiswa kwentambo (iparamitha ephezulu yesiseko sephepha le-01 - ukuthothisa) kwizinto eziphambili, kukho iindlela ezimbini zokunciphisa ukuxhathisa komqhubi kunye nokunciphisa ukuxhathisa komqhubi, kwandisa ukuxhathisa umqhubi. Xa i-diameter ye-conductor inyuswa, ukuze kuhlangatyezwane neemfuno ze-impedance yeempawu, i-diameter yangaphandle ye-insulation kunye nemveliso egqityiweyo kufuneka inyuswe ngokufanelekileyo, okukhokelela ekunyuseni kweendleko kunye nokungahambi kakuhle. Ngokuqhelekileyo kusetyenziswa resistivity ephantsi izinto conductive zesilivere, ithiyori, USEBENZISA umqhubi wesilivere, imveliso egqityiweyo ububanzi iya kunciphisa, iya kuba nentsebenzo enkulu, kodwa ngenxa yokuba ixabiso lesilivere liphezulu kakhulu kunexabiso lobhedu, ixabiso liphezulu kakhulu, alikwazi ukuvelisa, ukuze ukwazi ukuthathela ingqalelo ixabiso kunye nokumelana okuphantsi, sasebenzisa impembelelo yesikhumba, ukuyila umqhubi wentambo, okwangoku, umqhubi wombane usebenzisa i-SAS. I-12G kunye ne-24G iqala ukusebenzisa i-conductor enesilivere.

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Xa kukho indawo etshintshayo yangoku okanye i-electromagnetic field kwi-conductor, isenzeko sokusasazwa kokungalingani kwangoku kuya kwenzeka kwi-conductor. Njengoko umgama ovela kumphezulu womqhubi ukhula, ukuxinana kwangoku kwi-conductor kuncipha ngokukhawuleza, oko kukuthi, i-current in conductor igxininise kumphezulu womqhubi. Ukususela kumbono wecandelo lomnqamlezo nge-perpendicular ukuya kwicala le-current, intensity yangoku kwi-central part of conductor is basically zero, oko kukuthi, akukho phantse ukuhamba kwangoku, kuphela kwinxalenye ye-conductor edge iya kuba ne-sub-flow. Ngamagama alula, umsinga ugxininiswe kwinxalenye "yesikhumba" yomqhubi, ngoko ke ibizwa ngokuba yimpembelelo yesikhumba kwaye umphumo ubangelwa ngokusisiseko kwintsimi ye-electromagnetic eyenza indawo yombane ye-vortex ngaphakathi kwe-conductor, ecima umsinga wokuqala. Isiphumo solusu senza ukuchasana komqhubi kunyuke ngokuphindaphindiweyo kokunyuka kwangoku okutshintshisayo, kwaye kubangele ukuncipha kobuchule bangoku bokuhanjiswa kocingo, sebenzisa izixhobo zetsimbi, kodwa kuyilo lwentambo yonxibelelwano lwamaxesha amaninzi, kodwa unokuthatha ithuba lomgaqo-siseko, kunye nendlela yokubeka isilivere phezu komhlaba ukuhlangabezana neemfuno zokusebenza ezifanayo phantsi kwesiseko sokunciphisa ukusetyenziswa kwesinyithi, ngaloo ndlela kuncitshiswe iindleko.

Iimfuno ze-insulation

I-insulation medium kufuneka ibe yinto efanayo, efana neyomqhubi. Ukufumana i-dielectric ephantsi rhoqo i-S kunye ne-tangent ye-dielectric loss Angle, iintambo ze-SAS zihlala zifakwe kwi-PP okanye i-FEP, kwaye ezinye iintambo ze-SAS nazo zifakwe kwi-foam. Xa idigri yogwebu ingaphezulu kwe-45%, kunzima ukuphumeza ugwebu lwekhemikhali, kwaye iqondo logwebu aluzinzanga, ngoko ke intambo engaphezulu kwe-12G kufuneka ikhuphe amagwebu emzimbeni.

Umsebenzi ophambili we-endodermis enegwebu ngokwasemzimbeni kukwandisa ukunamathela phakathi komqhubi kunye nokugquma. Ukubambelela okuthile kufuneka kuqinisekiswe phakathi kwe-insulating layer kunye nomqhubi; ngaphandle koko, i-gap yomoya iya kwenziwa phakathi kwe-insulating layer kunye ne-conductor, okubangelwa utshintsho kwi-dielectric constant £ kunye nexabiso le-tangent ye-dielectric loss Angle.

Izinto zokugquma i-polyethylene zikhutshelwa empumlweni nge-screw, kwaye ngokukhawuleza zibonakaliswe kuxinzelelo lwe-atmospheric ekuphumeni kwempumlo, zenza imingxuma kunye namaqamza okudibanisa. Ngenxa yoko, igesi ikhutshwa kwisithuba phakathi komqhubi kunye nokuvulwa kokufa, okwenza umngxuma omde we-bubble phezu kobuso bomqhubi. Ukusombulula ezi ngxaki zimbini zingentla, kuyimfuneko ukukhupha umaleko wegwebu ngaxeshanye… Isikhumba esibhityileyo sicinezelwa kumaleko angaphakathi ukukhusela irhasi ekukhutshweni kumphezulu we-conductor, kwaye umaleko wangaphakathi unokutywina amaqamza ukuqinisekisa ukuzinza okufanayo kwendlela yokuhambisa, ukuze kuncitshiswe ukuncipha kunye nokulibaziseka kwentambo, kunye nokuqinisekisa ukuhanjiswa komgca okuzinzileyo. Ukukhethwa kwe-endodermis, kufuneka ihlangabezane neemfuno ze-extrusion yodonga oluncinci phantsi kweemeko zemveliso yesantya esiphezulu, oko kukuthi, izinto eziphathekayo kufuneka zibe neempawu ezintle kakhulu. I-LLDPE lolona khetho lulungileyo lokuhlangabezana nale mfuneko.

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Iimfuno zezixhobo

I-insulated core wire isiseko sokuvelisa i-cable, kwaye umgangatho we-core wire unempembelelo ebaluleke kakhulu kwinkqubo elandelayo. Kwinkqubo yokwamkela i-core wire, izixhobo zokuvelisa kufuneka zibe ne-intanethi yokubeka iliso kunye nomsebenzi wokulawula ukuqinisekisa ukufana kunye nokuzinza kwe-core wire, kunye neeparitha zenkqubo yokulawula, kubandakanywa nobubanzi be-core wire, i-capacitance emanzini, i-concentricity, njl.

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Ngaphambi kokudibanisa i-wiring, kuyimfuneko ukufudumeza ibhanti le-polyester elizincamatheleyo ukuze linyibilike kwaye libophe i-adhesive eshushu inyibilikayo kwibhanti ye-self-adhesive polyester. Indawo eshushu yokunyibilika ithatha iqondo lobushushu elilawulekayo lobushushu be-electromagnetic heatheater, enokulungelelanisa ubushushu ngokufanelekileyo ngokweemfuno zokwenyani. Kukho iindlela zofakelo ezithe nkqo nezithe tyaba ze-preheater ngokubanzi. I-preheater ethe nkqo inokugcina indawo, kodwa ucingo olujikajikayo lufuna ukudlula kumavili alawulayo amaninzi aneengile ezinkulu zokungena kwi-preheater, ekulula ukutshintsha indawo ehambelanayo yocingo olungundoqo olukhuselayo kunye nebhanti lokusonga, okukhokelela ekwehleni kokusebenza kombane kumgca wothumelo oluhamba rhoqo. Ngokwahlukileyo, i-preheater ethe tyaba ikumgca ofanayo kunye nesibini somgca wokusonga, ngaphambi kokungena kwi-preheater, isibini somgca sidlula kuphela amavili ambalwa alawulayo kunye nendima yolungelelwaniso lwesizwe, ukunitha komgca wokusonga akutshintshi i-Angle xa udlula kwivili elilawulayo, ukuqinisekisa ukuzinza kwesigaba sokunitha isikhundla sebhanti le-insulating core. Okukuphela kokungalunganga kwe-preheater ethe tyaba kukuba ithatha indawo eninzi kwaye umgca wemveliso ude kunomatshini wokujija onesifudumezi esithe nkqo.


Ixesha lokuposa: Aug-16-2022

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