Amasu Asungula Amandla E-Metallized Film Capacitor Wining in Modern Manufacturing

I-metallized film capacitor winding ime kuyo kanye impambana yesayensi yezinto kanye nokunemba komshini. Kuwukushaya kwenhliziyo kwemigqa yokukhiqiza enika amandla yonke into kusukela ezimotweni zikagesi kuya kumagridi wamandla avuselelekayo. Le ndatshana ingena ijule kuma-nuances wobuchwepheshe wenqubo yokusonta, ihlola ukuthi imishini ethuthuke kangakanani, ukukhethwa kwezinto ezibonakalayo, nokulawulwa kwekhwalithi okuqinile kuhlangana kanjani ukuze kwakhiwe izingxenye ezichaza ukwethembeka. Sizobheka indima ebalulekile yezinhlelo ezizenzakalelayo, ukuziphatha kwamafilimu e-dielectric ngaphansi kwengcindezi, nezixazululo ezisebenzayo zokwandisa isivuno emakethe yokuncintisana.

Kungani I-Precision Winding Ibalulekile Ekwenziweni Kwe-Metallized Film Capacitor?

Uma sikhuluma nge Ukukhiqiza kwe a i-capacitor, ngokukhethekile a ifilimu capacitor, ukunemba akuyona nje inkulumo-ze; kungumehluko phakathi kwengxenye ehlala iminyaka eyishumi kanye nehlulekayo ngemizuzu eyishumi. I enze inqubo ihilela ukugingqa izingqimba ezihlukene ze ifilimu ye-dielectric kanye nama-electrode ensimbi abe isilinda esiqinile, esihlangene noma umumo oyisicaba. Uma i enze icishe ibe yingxenyana nje yemilimitha, noma uma ukushuba kwenhliziyo kuhluka kancane, kungadala izikhala zomoya. Lezi zikhala ziholela ekuphumeni kwe-corona, edlayo impahla ye-dielectric futhi kubangela ukwehluleka ngaphambi kwesikhathi.

Kunjiniyela onjengawe, okungenzeka ukuthi osebenza ngokuhlangana okuphakeme, uyazi ukuthi umnyombo walokhu kunemba usezingxenyeni zemishini. I-mandrel-induku ephakathi lapho i- i-capacitor isilonda-kufanele sigxile ngokuphelele. E-Dongxin, sikubona nsuku zonke lokhu. A i-capacitor isilonda ku-sub-par mandrel izoba nokucindezeleka kwangaphakathi okungalingani. Ngokuhamba kwesikhathi, ikakhulukazi ku ukugcinwa kwamandla izicelo lapho okwamanje ziyashintshashintsha, lezi zingcindezi zangaphakathi zibangela ukuthi izendlalelo zigudluke. Lokhu kushintsha kuyashintsha amandla futhi kwenyusa i-Equivalent Series Resistance (ESR), okuholela kokungafunwa ukushisa.

Ngaphezu kwalokho, ukunemba enze iqinisekisa ukuthi ifilimu metallized izingqimba ziqondana kahle. Ku ifilimu capacitor metallized imiklamo, "i-offset" noma i-margin ibalulekile enqubweni yokufafaza yensimbi elandelayo. Uma i imishini yokugeza ungagcini ukubekezelelana okuqinile kwe-overlap, ukuxhumana phakathi kwe-electrode nemikhondo yangaphandle kuzoba buthakathaka. Ukuxhumeka okubuthakathaka kusho ukumelana okuphezulu nokwehla okubalulekile ikhono lokwenza. Yingakho ukuthola izinga eliphezulu enze izingxenye akuyona nje ukuthenga; kuwutshalomali kowamanqamu ikhwalithi yokulawula yomkhiqizo wakho.

I-Automatic Winding Machine Technology Iguqula Kanjani Ukusebenza kahle?

Sezadlula izinsuku lapho ukungenelela mathupha kwakuyinto evamile ukukhiqizwa kwe-capacitor. Owesimanje umshini wokuvala othomathikhi isiguqule ngokuphelele isimo sezwe. Le mishini iklanyelwe ukuphatha amafilimu athambile ngesivinini esikhulu ngaphandle kokuwadabula noma ukuwelula. Okuzenzakalelayo amasistimu asebenzisa ama-servo motors athuthukile nezinzwa ukuze aqaphe ukungezwani ngesikhathi sangempela. Uma i ifilimu ye-polypropylene iqala ukwelula, umshini ulungisa i-torque ngaso leso sikhathi. Le mpendulo eguquguqukayo ibalulekile ngoba ukukhiqiza ifilimu capacitor ivamise ukubhekana nezinto eziwugqinsi lwama-microns ambalwa.

Le khasi ikhono lokwenza ezuzwe ku ukukhiqizwa okuzenzakalelayo kuyalinganiseka. Ikhwalithi ephezulu umshini wokuvala othomathikhi ingakhiqiza izinkulungwane zezinto ngehora ezinezici ezifanayo. Lokhu kuvumelana kuyinto izinqubo ezenziwa ngezandla ezingeke nje ziyifeze. Okwe-a umenzi, lokhu kusho ukwenqatshwa okumbalwa kanye nezindleko eziphansi ngeyunithi ngayinye. Kodwa akukhona nje ngesivinini; imayelana nedatha. Imishini yesimanje ingena yonke ipharamitha ye enze inqubo. Uma iqoqo le ama-capacitors yehluleka ukuhlola ngokuhamba kwesikhathi, ungayilandelela uyibuyisele ku-torque ejikayo kanye nesivinini esisetshenzisiwe, okuvumela ukuxazulula inkinga ngokushesha.

Siphinde sibone ukwehla okukhulu kokungcola. Izandla zomuntu ziyimithombo yamafutha nothuli, okuyizitha eziphezulu i-voltage ukwahlukanisa. Ngokuzenzakalela i- umbuthano, ikakhulukazi ukuphathwa kwe- ifilimu metallized, siqinisekisa ukuthi imvelo yangaphakathi ye i-capacitor ihlala ihlanzekile. Lokhu kuhlanzeka kuxhumene ngqo ne ukuthembeka yengxenye yokugcina, ukuyivumela ukuthi ukumelana izindawo zokusebenza ezinokhahlo.

Iyiphi Indima Edlalwa Ifilimu Ye-Polypropylene Kuzicelo Ze-High-Voltage?

I-Polypropylene ngokungangabazeki inkanyezi ye ifilimu ye-dielectric izinto zokwakha. Uma siyiqhathanisa ne i-polyester noma i-polycarbonate, ifilimu ye-polypropylene inikeza ukulahleka kwe-dielectric okuphansi kakhulu. Lokhu kuyenza ibe yindaba yokuzikhethela ac izinhlelo zokusebenza kanye namasekhethi aphezulu-frequency. Kumongo we i-metalized film capacitor winding, ukuphatha i-polypropylene idinga ubuchwepheshe obuthile. Kuyimpahla eshelelayo, ejwayele ukushelela (i-telescoping) uma ukushuba kwamajika kungakalwa kahle.

Nokho, izinzuzo zidlula izinselele zokucubungula. I-Polypropylene inekhono lokuziphilisa elingenakuqhathaniswa. Uma i-voltage spike idala i-micro-short ku- ungqimba lwensimbi, ukushisa okukhiqizwa khona ngokushesha kuhwamulisa insimbi ezungeze iphutha, kuyihlukanise. Lokhu kuvimbela ukwehluleka okuyinhlekelele kwawo wonke i-capacitor. Ingomane amandla capacitor izinhlelo zokusebenza, njengalezo eziku-grid-tie inverters noma amadrayivu emboni, lesi sici sokuphepha asinakuxoxisana ngaso.

Nasi ukuqhathanisa okusheshayo kwezinto ezivamile zefilimu esihlangabezana nazo:

Ukukhetha okulungile umthumeli ngoba ifilimu yakho eluhlaza ibalulekile. I-surface roughness of the i-polypropylene ithinta kahle indlela i aluminiyamu noma zinc i-metalization inamathela. Uma ukunamathela kumpofu, isivinini esikhulu enze inqubo kungaba ukuhlubula insimbi off, enikeza i-capacitor engenamsebenzi.

Ingabe Ukukhiqizwa Okushesha Okuphezulu Kungagcina Ikhwalithi Emhlanganweni Wefilimu Ye-Capacitor?

Kuhlale kunombango phakathi ijubane eliphezulu ukukhiqiza nokugcina kuqinile ikhwalithi yokulawula. Ku ukuhlanganiswa kwefilimu ye-capacitor, egijima i imishini yokugeza ngokushesha kakhulu kungethula ukungena komoya. Umoya uyacindezelwa; ifilimu yepulasitiki ayikho. Lapho i-capacitor enesilonda esiqinile enomoya ovaleleke idlula ekwelashweni kokushisa, umoya uyakhula, ukhubaze i-capacitor. Ukuze ulwe nalokhu, imishini yesimanje ivame ukusebenzisa amarola okucindezela acindezela umoya njenge ifilimu capacitor uyalinyazwa.

Noma kunjalo, ijubane eliphezulu futhi yakha i-friction static. Ifilimu eyenziwe ngensimbi iyijeneretha enkulu emile lapho ingahlanganisiwe ngokushesha. Ugesi omile uheha izinhlayiya zothuli. Izinhlayiya zothuli zingena endaweni esebenzayo ye-high-voltage i-capacitor isebenza njenge-concentrator yokucindezeleka, okuholela ekuqhekekeni. Ngakho-ke, izinga eliphezulu izindawo zokukhiqiza kufanele zisebenzise imigoqo esebenzayo yokususa emile khona kanye ekhanda elijikayo.

At Dongxin, sigcizelela ukuthi isihluthulelo nika amandla isivinini ngaphandle kokudela ikhwalithi ilele ekunembeni kwezinto ezisetshenziswayo. I umnikazi we-mandrel ojwayelekile we-capacitor noma umshini wokugoqa ibhethri udinga ukuba nokuqina okukhulu. Uma i-mandrel idlidliza kuma-RPM aphezulu, ifilimu ilandelela kabi. Eyethu R & D igxile ekudaleni izinaliti ezisontayo kanye nama-mandrels kusetshenziswa izinto ezifana ne-tungsten carbide, emelana nokuchezuka ngisho nangaphansi kokushuba okuphezulu okudingekayo ekusongelweni kwesivinini esikhulu.

I-Vacuum ne-Aluminium Metal Layers Ikuthuthukisa Kanjani Ukusebenza?

Umlingo we-a ifilimu capacitor metallized ilele ku-metallization ngokwayo. Le nqubo ihilela ukuhwamuka kwensimbi, ngokuvamile aluminiyamu noma ingxubevange ye-zinc-aluminium, ungene efilimini ekujuleni vacuum igumbi. Ungqimba luncane ngendlela emangalisayo—ikalwa ngama-angstrom. Lokhu kuba mncane yikho okuvumela impahla yokuziphilisa okukhulunywe ngayo ekuqaleni. Uma sisebenzisa i-foil ewugqinsi, njengasemiklamo emidala, isifunda esifushane singabangela ukuthi ucwecwe luncibilike futhi lushisele izendlalelo ndawonye, ​​lucekele phansi iyunithi.

Vacuum ubuchwepheshe buqinisekisa ukuthi insimbi ifakwa ngokulinganayo ngaphesheya ububanzi yefilimu. Ukuhlukahluka kokuqina kungabangela "izindawo ezishisayo" lapho okwamanje ukuminyana kuba phezulu kakhulu. Ukusebenza okuphezulu Ama-Electronics, ukufana kwalesi sendlalelo kunquma ikhono lokuphatha ishayela. Sivame ukubona aluminiyamu esetshenziselwa conductivity yayo kanye nezindleko-ngempumelelo, kuyilapho zinc yengezwa ukuze kuthuthukiswe ukumelana ne-oxidation nokugqwala, ikakhulukazi emaphethelweni okuxhumana.

Nini enze lawa mafilimu, umshini kufanele uphathe imiphetho ngokucophelela. "Unqenqema olusindayo" noma unqenqema oluqinisiwe ibhande eliwugqinsi lensimbi elifakwe eceleni kwefilimu ukuze kuqinisekiswe ukuxhumana okuqinile nensimbi yesifutho (i-schooping). Uma i imishini yokugeza ukungahambi kahle kwalo mphetho osindayo, ukumelana nokuxhumeka kukhula. Lokhu kugqamisa ukuthi kungani ukukhetha kwakho ukujikajika okuzenzakalelayo imishini kanye nokunemba kwabaqondisi abaphakela ifilimu kubaluleke kakhulu kuze kube sekugcineni ukusebenza ye i-capacitor.

Yiziphi Izinselelo ku-Winding MPP kanye namafilimu e-Dielectric?

I-MPP (Metallized Polypropylene) amafilimu aletha izinselele eziyingqayizivele. Ngoba i-polypropylene ithambile, izwela ukuchotshozwa ngomshini. Uma i enze ukungezwani kuphezulu kakhulu, izingqimba zangaphakathi ze i-capacitor ingabhoboza, ilimaze i-metalization. Lokhu kwaziwa ngokuthi "i-telescoping" noma "inkanyezi." Ngakolunye uhlangothi, uma i-winding ixega kakhulu, i- i-capacitor izoba nemvamisa ye-resonance yomshini ephansi, iyenze ibe nomsindo noma icule ngesikhathi sokusebenza, futhi amandla ayo azokhukhuleka ngokuhamba kwesikhathi.

Enye inselele yinto "yokuncipha kwefilimu". Ngesikhathi sokwelashwa kokushisa (i-annealing) isigaba esilandelayo enze, i ifilimu ye-dielectric iyashwabana. Onekhono umenzi ikulindele lokhu. Siklama i enze iphrofayili ye-tension ukuze ikhululeke kancane njengoba ububanzi bukhula. Lokhu kudala isakhiwo esizinzile esivumela ukushwabana ngaphandle kokuchoboza umnyombo. Leli zinga lokulawula inqubo yilo elihlukanisa a i-wholesale umkhiqizo wempahla ovela engxenyeni enokwethenjelwa okuphezulu efanele ukusetshenziswa kwezimoto.

Ngaphezu kwalokho, the ububanzi ngezindaba zefilimu. Amafilimu amancane kunzima ukuwalandela ngokuqondile. Sikhiqiza ezikhethekile Imihlahlandlela Yezintambo kanye neziqondiso zefilimu ezicindezela kancane indlela yezinto ezibonakalayo. Ukusebenzisa i-ceramic epholishiwe noma iziqondiso zensimbi eziboshwe kunciphisa ukungqubuzana, kuqinisekisa ukuthi I-MPP ifilimu igxumela kumqulu ngaphandle kokunwaya indawo yensimbi ethambile. Imihuzuko iyabulala; banciphisa ngempumelelo indawo engaphezulu ye-electrode, yehlisa i-capacitance.

Kungani Ukulawulwa Kwengcindezi Kubalulekile Ukunciphisa Ingcindezi Kulayini Wokukhiqiza we-Capacitor?

Umfutho amandla angabonakali alawula impilo ye i-capacitor. Ku-a umugqa wokukhiqiza we-capacitor, ukulondoloza ukungezwani okuqhubekayo akwanele; udinga tapered ukungezwani. Njengoba umqulu ukhula, ukungezwani kufanele kwehle. Uma ugoqa izingqimba zangaphandle ziqine njengezingaphakathi, amandla okucindezela phakathi nendawo aba makhulu. Lokhu kungachoboza i-mandrel noma kukhubaze umnyombo wepulasitiki, okuholela kumasekethe amafushane wangaphakathi.

Kuya nciphisa le ngozi, isihambile imishini yokuvala i-othomathikhi sebenzisa amasistimu we-closed loop tension systems. Lezi zinhlelo zikala ukushuba kwangempela kwefilimu izikhathi ezingamakhulu ngesekhondi futhi zilungisa itorque yemoto khona manjalo. Lokhu kuvimbela ukukhuphuka kwengcindezi yesikhashana okwenzeka lapho umshini usheshisa noma wehla. Okwe-a ifilimu capacitor, ukungezwani okuzinzile kuqinisekisa ukuthi impahla ye-dielectric ayincishiswa ngokwelula, okungase kwehlise ngokuyingozi i-voltage yayo yokuphuka.

Sivame ukusebenzisana namakhasimende ukuze sithuthukise imigqa yawo ekhona ngezingxenye ezingcono zokucindezela. I-tensioner yekhwalithi ephezulu ingaphefumula impilo entsha emshinini omdala, ithuthukise ikhwalithi yokulawula izibalo kakhulu. Kuyindlela engabizi kakhulu thuthukisa amakhono okukhiqiza ngaphandle kokuthenga uxhaxha lwemishini olusha ngokuphelele.

Ukufafaza I-Metalizing nge-Zinc Kuthuthukisa Kanjani Ukuthembeka Kokuxhumana?

Ngemva enze, iziphetho ze i-capacitor roll zifafazwa ngensimbi encibilikisiwe ukudala ukuxhumana kagesi. Le nqubo, evame ukubizwa ngokuthi "i-schooping," ivame ukusetshenziswa zinc noma ingxubevange ye-zinc-tin. Zinc iyakhethwa ngoba ibophezela ngokunamandla onqenqemeni oluyinsimbi lwefilimu. Nokho, kuyinqubo enobudlova. Izinhlayiya zensimbi ezincibilikisiwe ezinesivinini esiphezulu zishaya emaphethelweni efilimu ethambile.

Izinga le enze kunomthelela ngqo kulesi sigaba. Uma i enze ikhululekile, insimbi yesifutho ingena ijule ezingqimbeni, ibangele izifunda ezimfushane. Uma ukujika kuqine kakhulu noma kungalingani (amaphutha we-offset), i zinc ngeke ibambe indawo engaphezulu eyanele, okuholela ekuhlanganiseni ukumelana okuphezulu. Ukumelana okuphezulu kuleli phuzu lokuxhumana kudala ukushisa, okuwumbulali ohamba phambili amandla capacitors.

Ukuze uqinisekise ukuxhumana okuhle kakhulu, sincoma ukusebenzisa ukunemba izingxenye zomshini wokusonga. Le khasi insimbi engagqwali emazombezombe mandrel isethi ekupheleni iqinisekisa ukuthi ubuso be-roll buyisicaba ngokuphelele. Ubuso obuyisicaba buvumela isibhamu sesifutho ukuthi sibeke ungqimba olulinganayo zinc, idala itheminali eqinile ekwazi ukuphatha amaza akhuphukayo ngaphandle kokuvunguza.

Ingabe i-Multilayer Designs Ifanele Izidingo Zesimanje Ze-Capacitor Yamandla?

Izendlalelo Eziningi ama-filimi capacitor aya ngokuya aduma ezinhlelweni ezidinga ukuphakama ukuminyana kwamandla endaweni encane. Ngokungafani nesitayela sesilonda se-"jelly roll", lezi zivame ukulinyazwa emasondweni amakhulu bese zisikwa zibe amabhulokhi, noma zilimale njengemiqulu eyisicaba. Lokhu kwakhiwa okustakiwe kunciphisa inductance, kubenze -fanele ngezinhlelo zokusebenza zokushintsha imvamisa ephezulu njenge-IGBT snubbers ezimotweni zikagesi.

Ukukhiqiza i-multilayer imiklamo idinga a ukukhiqizwa kwe-capacitor inqubo enokubekezelelana okuqinile ngendlela emangalisayo. Ukubhaliswa phakathi kwezendlalelo kufanele kube ncamashi. Uma izingqimba ezishintshanayo eziphozithivu nezinegethivu zikhukhuleka ngisho nangengxenye yemilimitha, i-voltage ehlukanayo yehla kakhulu. Okuzenzakalelayo imishini efakwe optical edge alignment systems ibalulekile lapha. Baqondisa amafilimu ukuze aqondanise amamajini ensimbi kahle.

Le miklamo iphinde iphumelele ekuphathweni kwe-thermal. Umumo oyisicaba unikeza indawo engcono yokupholisa uma kuqhathaniswa nesilinda esiyindilinga. Lokhu kuvumela i- amandla capacitor ukusebenza kupholile, ukwelula impilo yayo yokusebenza. Okwesimanjemanje Ama-Electronics lapho isikhala siphezulu kakhulu, ukuminyana okuphezulu kokupakisha kwe i-multilayer ubuchwepheshe befilimu buyinzuzo enkulu.

Abakhiqizi Bangakuqinisekisa Kanjani Ukusebenza Okuphezulu Nokulawulwa Kwekhwalithi?

Ukuzuza ukusebenza kahle okuphezulu phakathi kwa- ukukhiqizwa kwe-capacitor kuwumzamo ophelele. Iqala ngokuhlolwa kwezinto ezingavuthiwe futhi iphethe ngokuhlolwa kokugcina kukagesi. Kodwa ibhodlela ngokuvamile enze esiteji. Ukuthuthukisa lokhu, abakhiqizi kufanele bagxile ekunakekeleni okubikezelwayo kwemishini yabo. Ama-bearings agugile, amarola omhlahlandlela anemigoqo, noma i-mandrel egobile ingakwazi ukonakalisa buthule amazinga esivuno amasonto ngaphambi kokuba itholwe.

Ukulawulwa kwekhwalithi kufanele ihlanganiswe ku umshini wokuvala othomathikhi uqobo. Amasistimu esimanje angenza ukuhlolwa "okungaphakathi kwenqubo", ukuhlola izikhindi noma ukusula amaphutha (izenzakalo zokuziphilisa) ngenkathi i-capacitor isalimala. Uma iyunithi inamaphutha amaningi kakhulu, umshini uyawenqaba ngokushesha, konga izindleko zokuqhubeka nokucutshungulwa njengokufafaza nokufaka imbiza.

Ukuhlanganyela nomuntu okhethekile umthumeli njenge-Dongxin yezingxenye zakho eziyisipele kanye namathuluzi angokwezifiso kusiza ukugcina lokhu kusebenza kahle. Siyaqonda ukuthi ingxenye emisiwe ayihlali ilingana nesidingo esiyingqayizivele sokukhiqiza. Idizayinwe ngokwezifiso izingxenye zomshini wokusonga ingaxazulula izinkinga ezithile njengokuklwebheka kwefilimu noma i-telescoping, ikhulise ngokuqondile okukhiphayo kwakho "kwezingxenye ezinhle". Kumayelana nokusebenzisa kwethu phambili amakhono machining ukuxazulula izinselele zakho ethize floor.

Sengiphetha, umhlaba we i-metalized film capacitor winding iyinkimbinkimbi kodwa iyathakazelisa. Kuyinkundla lapho ukwenza kahle ubunjiniyela buhlangabezana nethiyori kagesi. Ngokusebenzisa amandla okuzenzakalelayo ubuchwepheshe, ukuqonda izinto zokuziphatha ezifana i-polypropylene ukuncipha, nokugcina impilo yomshini eqinile, ungakhiqiza ama-capacitor ashayela ikusasa lobuchwepheshe.

Ukuthathwa Key

• Ukunemba kubaluleke kakhulu: Ngisho namaphutha e-microscopic ku-mandrel concentricity noma ukungezwani okusongayo kungaholela ekuhlulekeni kwe-capacitor ngaphambi kwesikhathi.
• Okuzenzakalelayo Kuwina: Imishini yokumaza ezenzakalelayo hlinzeka ngesivinini, ukuloga kwedatha, nokulawula ukungezwani okudingekayo ekukhiqizeni okungaguquki kwekhwalithi ephezulu.
• Izindaba ezibonakalayo: Ifilimu ye-polypropylene inikeza izakhiwo eziphakeme zokuziphilisa kanye nokulahlekelwa okuncane, okuyenza ifaneleke ku-high-voltage kanye nezinhlelo zokusebenza ze-AC.
• Ukulawula Ukuqina: Ukusebenzisa amaphrofayli e-tapered tension kunciphisa ingcindezi yangaphakathi futhi kuvimbela amaphutha afana ne-telescoping noma ukuchotshozwa okukhulu.
• Inhlanzeko Ibalulekile: Ukuqedwa okuqinile nokubamba okuzenzakalelayo kunciphisa ukungcola, okuyimbangela eyinhloko yokuwohloka kwe-dielectric.
• Ukuxhumana Okuqinile: Ukusonteka okunembayo kuqinisekisa imiphetho eyisicaba, okuvumela ukusebenza kahle zinc fafaza i-metalizing kanye nokuxhumana okuthembekile kwamanje.
• Uzakwethu Wempumelelo: Ukusebenzisa okunembayo okuphezulu, okusebenzisekayo okwenziwe ngokwezifiso (ama-mandrels, imihlahlandlela) kuthuthukisa kakhulu isikhathi somshini kanye nesivuno.