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 izinga le-PTFE lokubola kwe-thermal kwi-nitrogen limalunga nesinye kwishumi lalo emoyeni kubushushu obufanayo. 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.
