Njengomvelisi oqeqeshiweyo we Iteyiphu encamathelayo ye-PTFE kunye neemveliso zokugquma ezinxulumeneyo, i-Jiangsu Aokai New Materials Technology Co., Ltd. yabelana ngolwazi olungundoqo. Ngelixa i-PTFE iteyiphu yobushushu obuphezulu ixabiswa ngenxa yeepropathi zayo ezibalaseleyo zedielectric kunye nokuzinza kwe-thermal, i-high-frequency ephezulu kunye neemeko zokusebenza eziphezulu zombane zizisa iingozi ezininzi ezinokubakho.
Ukuqonda le mingcipheko - kubandakanywa ukuguga okuphezulu, ukuchithwa kombane, ilahleko ye-high-frequency, kunye nezinto zokusingqongileyo - kubalulekile kuyilo lwenkqubo ethembekileyo.
Imingcipheko yaMandla oMbane
Ukuqhekeka kweVoltage ephezulu: Iiteyiphu ze-PTFE zinokunganyangeki kokuqhekeka kwe-dielectric. Umzekelo, iteyiphu enobukhulu obuyi-0.11mm bubonke inokuba ne-voltage ye-breakdown emalunga ne-6.1kV. Ubuninzi obunganeleyo okanye ukungcola kwangaphakathi (iingcingo, ukungcola) kunokubangela ngokulula ukuphuka kwe-voltage ephezulu kunye nokungaphumeleli kwe-insulation.
Ukukhutshwa ngokuyinxenye (Ukukhutshwa kweCorona): Kwiindawo ezinevoltheji ephezulu, izinto ezingcolisa umphezulu (uthuli, amabala e-oyile) kunye nezikhewu ezincinci zangaphakathi zomoya zidala iindawo zokuxinanisa kwibala lombane, okubangela ukukhutshwa kwecorona. Ukukhutshwa kwexesha elide okuqhubekayo kutshabalalisa ngokuthe ngcembe i-insulating layer, ekhokelela ekungaphumeleli kwangaphambi kwexesha.
Ukuwohloka kweInsulation evela kwiMiba yokusiNgqongileyo:
Ukufuma: Xa ukufuma okunxulumeneyo kudlula i-85%, ukuxhathisa komphezulu we-PTFE kunokwehla kabukhali – ukusuka kwi-10⊃1;⁷Ω ukuya malunga ne-10⊃1;⊃2;Ω – kwaye amandla ombane wokuqhekeka anokwehla nge-30% ukuya kwi-50%.
Izingcolisi: Uthuli oluqhubayo okanye isitshizi setyuwa kumphezulu weteyiphu senza iibhulorho eziqhubayo, zenza iindlela zangoku ezivuzayo.
Kwizixhobo zombane eziphezulu, amandla e-dielectric e-PTFE tapes ayilona xabiso elimiselweyo kodwa lixhomekeke kakhulu kwiimeko zesicelo. Kumabanga amelana ne-corona, abavelisi bahlala bebandakanya izigcwalisi ezingaphiliyo ezifana ne-mica okanye amasuntswana e-ceramic kwi-matrix ye-PTFE. Ezi zihluzi zenza uninzi lwe-micro-interfaces ezisasaza ugxininiso lwentlawulo kunye nokucinezela umsebenzi wokukhupha kancinci. Xa ukhetha iteyiphu ye-PTFE yeemotor eziphezulu ze-voltage inverter (umzekelo, i-6kV ukuya kwiklasi ye-10kV), kuyacetyiswa ukuba usebenzise iteyiphu ye-PTFE enganyangekiyo enobunzima obuyi-0.18mm ubuncinane kwaye uqinisekise i-voltage ephumayo yokuqalisa (PDIV) phantsi kobushushu bokusebenza, njengoko i-PDIV iqhele ukuhla ngo-5% xa kuthelekiswa negumbi le-C20-% xa kuthelekiswa ne-20- .
Imingcipheko yokuzinza kweThermal
Ukuguga okuPhezulu: Iiteyiphu ze-PTFE zinokusebenza ngokuzinzileyo kubushushu obuqhubekayo be-260°C. Nangona kunjalo, xa iqondo lokushisa lidlula i-250 ° C (ingakumbi kufuphi ne-300 ° C), i-molecular chain chain iqala ukubola. Oku kubola kunciphisa kakhulu amandla e-dielectric kwaye kudala iingozi zokungaphumeleli kwe-insulation.
I-Thermal-Oxygen Synergistic Effect: Ukudibanisa ubushushu obuphezulu kunye ne-oksijini kukhawuleza ukuguga kwezinto. Phantsi kweemeko ezishushu nezifumileyo, umonakalo ekusebenzeni kwamandla ombane unokunyuka nge-30% ukuya kwi-50% xa kuthelekiswa nobushushu obomileyo.
Xa itheyiphu ye-PTFE isetyenziswa kwi-switchgear evaliweyo okanye kwi-windings ye-transformer apho unikezelo lwe-oksijini lulinganiselwe, ukuziphatha kokuguga kwe-thermal kwahluke kakhulu kwiimeko zomoya ovulekileyo. Uphononongo lubonisa ukuba ireyithi yokubola thermal PTFE kwi nitrogen malunga nesinye esishumini ukuba emoyeni kwiqondo lobushushu efanayo. Oku kuthetha ukuba kumacandelo atywiniweyo aphezulu, iteyiphu ye-PTFE inokufikelela kubomi obude benkonzo nakwiqondo lobushushu elingaphezulu kancinane kwe-260°C. Nangona kunjalo, nje ukuba ukubola kuqalile, iimveliso eziphuma kwi-carbonyl fluoride kunye ne-perfluoroisobutylene ziyityhefu kakhulu kwaye ziyingozi kuqhagamshelwano lwesinyithi. Ngoko ke, kubalulekile ukuqinisekisa ukuba ubushushu besicelo buhlala bungaphantsi komgangatho wokubola - umda wokhuseleko we-30-50 ° C unconywa kwi-insulation high-voltage.
Imingcipheko yeempawu zeFrequency ephezulu
Ukunyanzeliswa koMqondiso kunye nokuPhathwa: I-dielectric constant (Dk) ye-PTFE eqhelekileyo isuka kwi-2.0 ukuya kwi-2.6. Iimveliso ezinokutenxa ngokugqithisileyo kuDkt zinokubangela ukuthotywa kunye nokuphazamiseka kweempawu ze-high-frequency ngexesha lothumelo - umba obalulekileyo kwi-RF kunye nezicelo ze-microwave.
I-Effect Generation Effect: I-PTFE ine-tangent yelahleko ye-dielectric ephantsi kakhulu (tan δ), ngokubanzi ngaphantsi kwe-0.0025. Nangona kunjalo, ukuba ilahleko yelahleko iphezulu kakhulu (ngenxa yokungcola okanye ukucutshungulwa okungafanelekanga), ukushisa okugqithisileyo kuya kuveliswa phantsi kwendawo yombane ephezulu. Esi siphumo sokuzifudumeza sikhawulezisa ukuguga kwezinto kwaye kunokukhokelela ekubalekeni kwe-thermal.
Imingcipheko yokuZiqhelanisa noomatshini nokusiNgqongileyo
Ukonakaliswa koxinzelelo lomatshini: Uxinzelelo oluzinzileyo kunye nokungqubana ngexesha lofakelo okanye ukusebenza kunokubangela iintanda ezincinci kunye nokugruzuka ngaphakathi kwesixhobo, konakalise ukusebenza kwe-insulation iyonke. Ukugoba okanye imiphetho ebukhali kufuneka kuphetshwe.
I-Chemical & Radiation Corrosion: Imithombo yeendaba ezonakalisayo ezomeleleyo ezifana nesinyithi esinyibilikisiweyo sealkali kunye ne-hydrocarbons eneklorini, kunye nokugqithiswa kwemitha yemitha ephezulu (ngaphezu kwe-10⁴ Gy), iyakutshabalalisa ubume bemolekyuli ye-PTFE kwaye inciphise kabukhali amandla ayo edielectric.
Ukungaphumeleli kwe-Adhesive: Ukukhetha okungahambi kakuhle (umzekelo, i-adhesives-based adhesives) inokuthamba kwaye ilahlekelwe ukubambelela phantsi kobushushu obuphezulu, ibangele ukufuduka kwe-tape, ukukhulula, okanye ukukhahlela - ngakumbi ingxaki kwizicelo ezithe nkqo okanye ezingcangcazelayo.
Ubuqhophololo boBubushushu obuphantsi: Uninzi lweeteyiphu zePTFE ziphulukana nokuguquguquka kwaye zibe brittle xa ubushushu buhla ngaphantsi -70°C. Ngelixa kunqabile kwizicelo zombane, oku kubalulekile kwisixhobo sangaphandle okanye se-aerospace esivezwe kubanda kakhulu.
Ukuqukumbela - UkuKhetha okuLumkelayo uMngcipheko Uqinisekisa ukuthembeka
Ukusebenzisa i-PTFE iteyiphu yokuncamathelisa kwi-high-voltage kunye nezicelo eziphezulu ze-frequency kufuna ukuqwalaselwa ngononophelo kwizinto ezininzi ezinobungozi. Ngokuqonda imida yamandla ombane, ukuziphatha kokuguga kwe-thermal, iipropathi ze-dielectric ze-high-frequency, kunye nokukhathazeka kokusingqongileyo, iinjineli zinokukhetha ibakala leteyipu efanelekileyo - okanye zicele izisombululo ezilungiselelwe - ukuphepha ukungaphumeleli kwangaphambi kwexesha.
Njengomenzi weteyiphu othenjiweyo we-PTFE wobushushu obuphezulu , i-Aokai ibonelela ngeemveliso ezilungiselelweyo ezifuna ukufakwa kombane kwilaphu eligqunyiweyo, i-PTFE ibhanti lokuhambisa, ibhanti le-PTFE elinenatha, ifilimu ye-PTFE tape, kunye ne-PTFE fiberglass tape..
Lo mxholo ungasentla unikwe nguJiangsu Aokai New Materials Technology Co., Ltd.
Ukufumana iinkcukacha zeparameters zobugcisa, izisombululo zesicelo, kunye neenkonzo ezilungelelanisiweyo kwiimveliso zethu ezipheleleyo ezibandakanya i-PTFE ilaphu lobushushu obuphezulu, i-PTFE iteyiphu yobushushu obuphezulu, i-PTFE ibhanti lobushushu obuphezulu, ibhanti lomatshini we-fusing elingenamthungo, ilaphu le-PTFE elinecala elinye, ibhanti lokuhambisa elinobushushu obuphezulu kunye nelaphu le-fiberglass elingashiyi ubushushu , nceda uqhagamshelane nathi ngokukhululekileyo:
Sinamathela kwifilosofi yoshishino yobungcali kunye nokuthembeka, kwaye sizinikele ekunikezeni izisombululo ezithembekileyo zokumisa kunye neenkonzo ezicingayo kubo bonke abathengi.
