I-SAS(Serial Attached SCSI) isizukulwane esisha sobuchwepheshe be-SCSI. Kuyafana nama-hard disk we-Serial ATA(SATA). Isebenzisa ubuchwepheshe be-Serial ukuze kuzuzwe isivinini sokudlulisa esiphezulu futhi kuthuthukiswe indawo yangaphakathi ngokunciphisa umugqa wokuxhuma. Ngocingo olungenalutho, okwamanje ikakhulukazi kusukela ekusebenzeni kukagesi ukuhlukanisa, ihlukaniswe yaba i-6G ne-12G, i-SAS4.0 24G, kodwa inqubo yokukhiqiza evamile iyafana, namuhla sizokwabelana, isingeniso se-Mini SAS esingenalutho kanye nemingcele yokulawula inqubo yokukhiqiza. Kulayini wamafrikhwensi aphezulu we-SAS, i-impedance, attenuation, loop loss, i-crosswish nezinye izinkomba zokudlulisa yizona ezibaluleke kakhulu, futhi imvamisa yokusebenza kolayini wamafrikhwensi aphezulu we-SAS ngokuvamile ingu-2.5GHz noma ngaphezulu ngaphansi kwefrikhwensi ephezulu, ake sibheke ukuthi ukhiqizwa kanjani ulayini wejubane eliphezulu we-SAS.
Incazelo yesakhiwo sekhebula le-SAS
Ukulahlekelwa okuphansi kukhebula lokuxhumana elivamise ukwenziwa nge-polyethylene enegwebu noma i-polypropylene enegwebu njengezinto zokufakelwa, i-conductor emibili evalekile enocingo oluphansi (imakethe futhi inomkhiqizi USEBENZISA izindlela ezimbili eziphindwe kabili) ezindizeni ezishajayo, ngaphandle kwe-conductor eboshiwe kanye ne-ground winding ne-aluminium foil kanye nebhande le-polyester lamination, izidingo zenqubo yokufaka ugesi kanye nokulawulwa kokudluliswa kukagesi.
Izidingo zama-conductor
Ku-SAS, okuyilayini yokudlulisa imvamisa ephezulu, ukufana kwesakhiwo kwengxenye ngayinye kuyisici esibalulekile sokunquma imvamisa yokudlulisela yekhebula. Ngakho-ke, njengomqhubi we-high frequency transmission line, indawo engaphezulu iyindilinga futhi ibushelelezi, futhi isakhiwo sangaphakathi sokuhlelwa kwe-lattice sifana futhi sizinzile, ukuqinisekisa ukufana kokusebenza kukagesi endaweni yobude; Umqhubi kufanele futhi abe nokumelana okuphansi kwe-DC; Ngesikhathi esifanayo kufanele kugwenywe ngenxa yezintambo, izinto zokusebenza, noma enye idivayisi egoba i-conductor yangaphakathi ngezikhathi ezithile noma ngezikhathi ezithile, ukuguquguquka nokulimala, njll., emigqeni yokudlulisa imvamisa ephezulu, ukumelana komqhubi kubangelwa ukuncishiswa kwekhebula (imingcele ephezulu ye-base paper 01 - attenuation) yezinto eziyinhloko, kunezindlela ezimbili zokunciphisa ukuphikiswa kwe-conductor nge-diameter ephansi ye-conductor. Lapho i-diameter ye-conductor inyuswa, ukuze kuhlangatshezwane nezidingo ze-impedance yesici, ububanzi bangaphandle bokufakwa kwe-insulation kanye nomkhiqizo oqediwe kufanele kwandiswe ngokufanele, okuholela ekwenyukeni kwezindleko kanye nokucubungula okungalungile. Ngokuvamile esetshenziswa resistivity ongaphakeme izinto conductive for isiliva, ngokombono, ISEBENZISA umqhubi wesiliva, osuqedile umkhiqizo ububanzi kuzoncipha, kuyoba ukusebenza okuhle kakhulu, kodwa ngenxa yokuthi intengo yesiliva iphakeme kakhulu kunentengo yethusi, izindleko ziphakeme kakhulu, ayikwazi ukukhiqiza, ukuze ukwazi ukucabangela intengo ukumelana okuphansi, sisebenzise umphumela wesikhumba, ukuklama umqhubi wekhebula ngenkathi i-SAS iqhuba ukusebenza kwe-copper, Okwamanje, i-SAS isebenzisa i-copper. I-12G ne-24G ziqala ukusebenzisa i-conductor ene-silver-plated.
Uma kukhona inkambu yamanje eshintshanayo noma eshintshanayo kagesi ku-conductor, okwenzekayo kokusatshalaliswa kwamanje okungalingani kuzokwenzeka ku-conductor. Njengoba ibanga elisuka ebusweni bomqhubi likhuphuka, ukuminyana kwamanje ku-conductor kuncipha ngokuqhubekayo, okungukuthi, i-current in conductor igxila ebusweni bomqhubi. Kusukela ekubukeni kwesigaba sesiphambano se-perpendicular kuya ekuqondeni kwe-current, ukuqina kwamanje engxenyeni emaphakathi ye-conductor ngokuyisisekelo kungu-zero, okungukuthi, cishe akukho ukugeleza kwamanje, kuphela engxenyeni ye-conductor edge kuzoba nokugeleza okuncane. Ngamagama alula, umthamo wamanje ugxile engxenyeni “yesikhumba” kakhondakta, ngakho-ke ubizwa ngokuthi umphumela wesikhumba futhi umphumela ngokuyisisekelo ubangelwa ukuguquka kwenkambu kazibuthe kagesi edala inkambu kagesi ye-vortex ngaphakathi kwekhondakta, ekhansela ugesi wangempela. Umphumela wesikhumba wenza ukumelana komqhubi kunyuke imvamisa yokushintshashintsha kwamanje, futhi kuholele ekwehleni kokusebenza kahle kwamanje kokudluliswa kocingo, sebenzisa izinsiza zensimbi, kodwa ekwakhiweni kwekhebula lokuxhumana elivamise kakhulu, kodwa kungathatha ithuba lalesi simiso, ngendlela yokuhlanganisa isiliva phezulu ukuze kuhlangatshezwane nezidingo zokusebenza ezifanayo ngaphansi kwesisekelo sokunciphisa ukusetshenziswa kwensimbi, ngaleyo ndlela kunciphise izindleko.
Izidingo ze-insulation
I-insulation medium kufanele ibe iyunifomu, efana naleyo ye-conductor. Ukuze uthole i-dielectric engaguquki ephansi ye-S kanye ne-tangent ye-Dielectric loss Angle, izintambo ze-SAS zivame ukufakwa i-PP noma i-FEP, kanti ezinye izintambo ze-SAS nazo zifakwe igwebu. Lapho idigri yogwebu ingaphezu kuka-45%, kunzima ukuyithola igwebu lamakhemikhali, futhi idigri yegwebu alizinzile, ngakho-ke ikhebula elingaphezu kuka-12G kufanele libe namagwebu angokomzimba.
Umsebenzi oyinhloko we-endodermis enamagwebu engokomzimba ukukhulisa ukunamathela phakathi kwe-conductor kanye ne-insulation. Ukunamathela okuthile kufanele kuqinisekiswe phakathi kongqimba lwe-insulating kanye nomqhubi; uma kungenjalo, igebe lomoya lizokwakhiwa phakathi kwesendlalelo se-insulating kanye ne-conductor, okuholela ekushintsheni kwe-dielectric constant £ kanye nevelu ye-tangent ye-Angle yokulahlekelwa kwe-dielectric.
I-polyethylene insulation material idluliselwa ekhaleni ngesikulufu, futhi kungazelelwe kuvezwe ukucindezela komkhathi lapho kuphuma khona ikhala, kwakheka izimbobo namabhamuza axhumayo. Ngenxa yalokho, igesi ikhishwa esikhaleni phakathi komqhubi kanye nokuvuleka kokufa, okwenza imbobo ye-bubble ende ebusweni bomqhubi. Ukuze uxazulule izinkinga ezimbili ezingenhla, kuyadingeka ukukhipha ungqimba lwegwebu ngesikhathi esifanayo... Isikhumba esincanyana sikhama singene ongqimbeni lwangaphakathi ukuze kuvinjwe igesi ukuthi ingadedelwa ngaphezu kwekhondakta, futhi ungqimba lwangaphakathi lungavala amabhamuza ukuze kuqinisekiswe ukuzinza okufanayo kwendawo yokudlulisela, ukuze kuncishiswe ukuncishana nokubambezeleka kwekhebula, futhi kuqinisekiswe umugqa oqinile wokudlulisela umugqa. Ukuze kukhethwe i-endodermis, kufanele ihlangabezane nezidingo ze-extrusion yodonga oluncane ngaphansi kwezimo zokukhiqiza ngesivinini esikhulu, okungukuthi, izinto ezibonakalayo kufanele zibe nezakhiwo ezinhle kakhulu zokudonsa. I-LLDPE iyisinqumo esingcono kakhulu sokuhlangabezana nale mfuneko.
Izidingo zezisetshenziswa
I-insulated core wire iyisisekelo sokukhiqizwa kwekhebula, futhi ikhwalithi yocingo oluyinhloko inethonya elibaluleke kakhulu kwinqubo elandelayo. Enqubweni yokwamukela i-core wire, okokusebenza kokukhiqiza kuyadingeka ukuthi kube nomsebenzi wokuqapha nokulawula ku-inthanethi ukuze kuqinisekiswe ukufana nokuzinza kwentambo ewumgogodla, kanye nemingcele yenqubo yokulawula, okuhlanganisa ububanzi bocingo oluwumgogodla, amandla emanzini, ukugxila, njll.
Ngaphambi kokuhlukanisa izintambo, kuyadingeka ukushisa ibhande le-polyester elizinamathelayo ukuze lincibilike futhi libophe ingcina encibilikayo eshisayo ebhandeni le-polyester elizinamathelayo. Ingxenye encibilikayo eshisayo yamukela izinga lokushisa elilawulekayo le-electromagnetic heatheater preheater, elingalungisa izinga lokushisa lokushisa ngokufanele ngokuya ngezidingo zangempela. Kunezindlela zokufaka eziqondile nezivundlile ze-preheater evamile. I-preheater emile ingonga isikhala, kodwa intambo ejikajikayo idinga ukudlula amasondo amaningi alawulayo anama-engeli amakhulu ukuze ingene endaweni yokufudumeza, okulula ukuguqula indawo ehlobene yocingo oluwumongo ovikelayo kanye nebhande lokugoqa, okuholela ekwehleni kokusebenza kukagesi kolayini wokudlulisa imvamisa ephezulu. Ngokuphambene, i-preheater evundlile isemugqeni ofanayo nepheya yomugqa wokugoqa, ngaphambi kokungena ku-preheater, umbhangqwana womugqa udlula kuphela amasondo ambalwa alawulayo anendima yokuqondisa kuzwelonke, ukunitha komugqa wokugoqa akushintshi i-Angle lapho kudlula isondo elilawulayo, kuqinisekisa ukuzinza kwesigaba sokuluka ibhande lebhande elibophayo kanye nentambo yokugoqa. Okuwukuphela kokubi kwe-preheater evundlile ukuthi ithatha isikhala esiningi futhi ulayini wokukhiqiza mude kunomshini osongwayo one-preheater eqondile.
Isikhathi sokuthumela: Aug-16-2022