Isakhiwo esisisiseko socingo kunye nentambo ibandakanya i-conductor, i-insulation, ukukhusela, i-sheath kunye nezinye iindawo.
1. Umqhubi
Umsebenzi: I-Conductor yinxalenye yocingo kunye nentambo ehambisa amandla ombane (magnetic), ulwazi kunye nokuqonda imisebenzi ethile yokuguqulwa kwamandla ombane.
Izinto eziphathekayo: Kukho ii-conductors ezingafakwanga, ezifana nobhedu, i-aluminium, i-alloy yobhedu, i-alloy aluminium; ii-conductor ezenziwe ngesinyithi, ezifana nobhedu olufakwe kwi-tinned, i-copper-plated copper, i-nickel-plated copper; abaqhubi bentsimbi, ezifana nentsimbi yobhedu, i-aluminium ene-copper-clad, i-aluminium enentsimbi, njl.
2. I-Insulation
Umsebenzi: I-insulating layer ihlanganiswe kwi-conductor okanye i-layer eyongezelelweyo ye-conductor (efana ne-refractory mica tape), kwaye umsebenzi wayo kukuhlukanisa umqhubi ekuthwaleni i-voltage ehambelanayo kunye nokuthintela ukuvuza kwangoku.
Izinto eziqhelekileyo ezisetyenziselwa ukugquma i-polyvinyl chloride (PVC), i-polyethylene (PE), i-polyethylene edibeneyo (XLPE), i-halogen-free flame retardant polyolefin (LSZH / HFFR), i-fluoroplastics, i-thermoplastic elasticity (TPE) irabha ye-silicone (SR), i-ethylene propylene rubber (EPM / EPDM), njl.
3. Ukukhusela
Umsebenzi: Umaleko okhuselayo osetyenziswa kwiimveliso zocingo kunye nentambo eneneni unemiqondo emibini eyahlukileyo ngokupheleleyo.
Okokuqala, ulwakhiwo lweengcingo kunye neentambo ezisasaza amaza e-electromagnetic (afana nefrikhwensi yerediyo, iintambo zombane) okanye imisinga ebuthathaka (enjengeentambo zomqondiso) ibizwa ngokuba yi-electromagnetic shielding. Injongo kukuthintela ukuphazamiseka kwamaza e-electromagnetic yangaphandle, okanye ukuthintela izibonakaliso ze-high-frequency kwi-cable ukuba ziphazamise ihlabathi langaphandle, kunye nokuthintela ukuphazamisana phakathi kwee-wire pairs.
Okwesibini, ulwakhiwo lweentambo zamandla ombane ophakathi kunye nophezulu ukulinganisa intsimi yombane kumphezulu we-conductor okanye indawo yokukhusela ibizwa ngokuba yi-electric field shielding. Ukuthetha ngokuthe ngqo, ukukhusela intsimi yombane ayifuni umsebenzi "wokukhusela", kodwa idlala indima ye-homogenizing intsimi yombane. Ikhaka elijikeleza ikhebula lihlala liphantsi.
* Ubume be-electromagnetic shielding kunye nemathiriyeli
① Ukhuselo olulukiweyo: ubukhulu becala sebenzisa ucingo lobhedu olungenanto, ucingo olutyatyekwe ngenkcenkce, ucingo lobhedu olucwecwe ngesilivere, i-aluminium-magnesium alloy wire, itheyiphu eflethi yobhedu, itheyiphu ecwecwe ngesilivere, njl. isibini okanye i-cable core;
② Ukhuselo lweteyiphu yobhedu: sebenzisa itheyiphu yobhedu ethambileyo ukugquma okanye ukusonga ngokuthe nkqo ngaphandle kombindi wentambo;
③ Ukukhusela itheyiphu ehlanganisiweyo yesinyithi: sebenzisa ifoyile yealuminiyam iteyiphu yeMylar okanye ifoyile yobhedu iMylar tape ukusonga okanye ngokuthe nkqo ukusonga iperi yocingo okanye umbindi wentambo;
④ Ukhuselo olubanzi: Ukusetyenziswa okubanzi ngeendlela ezahlukeneyo zokukhusela.Ngokomzekelo, bopha (1-4) iingcingo ezibhityileyo zobhedu ngokuthe nkqo emva kokusonga ngefoyile ye-aluminium ye-Mylar tape. Iingcingo zobhedu zinokunyusa isiphumo sokuqhuba isikhuselo;
⑤ Ukukhusela okwahlukileyo + ukukhuselwa ngokubanzi: isibini ngasinye socingo okanye iqela leecingo likhuselwe ngefoyile ye-aluminium i-Mylar tape okanye ucingo lobhedu oluphothiweyo ngokwahlukileyo, kwaye emva koko isakhiwo sokukhusela sisongezwa emva kwekhebula;
⑥ Ukusonga isikhuselo: Sebenzisa ucingo olubhityileyo lobhedu, iteyiphu ecwecwe yobhedu, njl.
* Isakhiwo sokukhusela intsimi yombane kunye nezixhobo
I-semi-conductive shielding: Kwiintambo zamandla ze-6kV nangaphezulu, umaleko obhityileyo we-semi-conductive okhuselayo uncanyathiselwe kumphezulu we-conductor kunye ne-insulating surface. Umaleko okhuselayo we-conductor ngumaleko ogqithisiweyo we-semi-conductive. I-conductor ekhuselayo enecandelo elinqamlezileyo le-500mm² nangaphezulu ngokuqhelekileyo yenziwe ngeteyiphu ene-semi-conductive kunye nomaleko okhutshiweyo wesemi-conductive. I-insulating shielding layer is extruded structure;
Ukusonga ucingo lweCopper: Ucingo lobhedu olungqukuva lusetyenziswa ikakhulu ukusonga i-co-directional, kwaye umaleko wangaphandle uhlaselwe umva kwaye ubotshwe ngeteyiphu yobhedu okanye ucingo lobhedu. Olu hlobo lolwakhiwo ludla ngokusetyenziswa kwiintambo ezinombane omkhulu wesekethe emfutshane, njengeentambo zecandelo elikhulu le-35kV. intambo yamandla engundoqo enye;
Ukuvalwa kwetape yobhedu: ukugubungela ngeteyiphu ethambileyo yobhedu;
④ I-alluminiyamu sheath ekhutshiweyo: Yamkela i-extrusion eshushu okanye i-aluminium tape yokuvala i-longitudinal, i-welding, i-embossing, njl.
4. Isingxobo
Umsebenzi we-sheath kukukhusela ikhebula, kwaye ingundoqo kukukhusela i-insulation. Ngenxa yemeko-bume yokusetyenziswa ehlala itshintsha, iimeko zokusetyenziswa kunye neemfuno zabasebenzisi. Ke ngoko, iintlobo, iifom zolwakhiwo kunye neemfuno zentsebenzo yesakhiwo se-sheathing nazo ziyahlukahlukana, ezinokushwankathelwa zibe ziindidi ezintathu:
Enye kukukhusela iimeko zemozulu zangaphandle, amandla omatshini ngamanye amaxesha, kunye nomgangatho wokukhusela jikelele ofuna ukukhuselwa kokutywinwa ngokubanzi (njengokuthintela ukungena komphunga wamanzi kunye neegesi eziyingozi); Ukuba kukho i-mechanical force enkulu yangaphandle okanye ithwala ubunzima bekhebula, kufuneka kubekho ulwakhiwo olukhuselayo loluhlu lwezixhobo zetsimbi; eyesithathu yisakhiwo somaleko okhuselayo kunye neemfuno ezizodwa.
Ke ngoko, ulwakhiwo lwe-sheath yocingo kunye nentambo ngokubanzi lwahlulwe lube ngamacandelo amabini amakhulu: i-sheath (i-sleeve) kunye ne-sheath yangaphandle. Ulwakhiwo esingxotyeni sangaphakathi silula, ngelixa i-sheath yangaphandle ibandakanya umaleko wesikrweqe sesinyithi kunye nomaleko wangaphakathi (ukuthintela umaleko wesikrweqe ukonakalisa i-sheath yangaphakathi), kunye ne-sheath yangaphandle ekhusela umaleko wesikrweqe, njl. . Ngeentlobo zeemfuno ezikhethekileyo ezifana ne-flame retardant, ukumelana nomlilo, i-anti-insect (termite), i-anti-animal (i-rat bite, i-bird peck), njl njl. abambalwa kufuneka bongeze amacandelo ayimfuneko kwisakhiwo seshefu yangaphandle.
Izinto ezisetyenziswa ngokuqhelekileyo zezi:
I-Polyvinyl chloride (PVC), i-polyethylene (PE), i-polyperfluoroethylene propylene (FEP), i-halogen ephantsi yomsi we-flame retardant polyolefin (LSZH/HFFR), i-thermoplastic elastomer (TPE)
Ixesha lokuposa: Dec-30-2022