Halaye na yumbu insulators
Dangane da halayen aikace-aikacen, ana iya raba bututun yumbu na lantarki zuwa: Insulators don layi, insulators don tashoshin wutar lantarki ko na'urorin lantarki;Ana iya raba shi zuwa insulator na cikin gida da na waje bisa ga yanayin aikace-aikacen;yumbu, na halitta yumbu a matsayin albarkatun kasa, gauraye abu forming, workpiece Talakawa tukwane ana amfani da yau da kullum amfani, gini tsafta, lantarki kayan (rufin), sinadaran masana'antu da kuma musamman tukwane - capacitors, piezoelectric, Magnetic, electro-optic da high zazzabi lantarki tukwane. yawanci ana rarraba su gwargwadon sifar samfur, matakin ƙarfin lantarki da yanayin aikace-aikacen yumbu na lantarki.Dangane da sifar samfurin, ana iya raba shi zuwa: insulator dakatarwar diski, insulator fil, insulator na sanda, insulator mai zurfi, da sauransu;Dangane da matakin ƙarfin lantarki, ana iya raba shi zuwa ƙananan ƙarfin lantarki (AC 1000 V da ƙasa, DC 1500 V da ƙasa) insulators da babban ƙarfin lantarki (AC 1000 V da sama, DC 1500 V da sama) insulators.Daga cikin manyan insulators, akwai matsananci-high irin ƙarfin lantarki (AC 330kV da 500 kV, DC 500 kV) da matsananci-high irin ƙarfin lantarki (AC 750kV da 1000 kV, DC 800 kV).
Wani nau'i na tukwane mai aiki wanda juriya yana canzawa sosai tare da zafin jiki.Dangane da halayen zafin jiki na juriya, an raba shi zuwa madaidaicin madaidaicin zafin jiki (PTC) Thermal Ceramics da ƙarancin zafin jiki mara kyau (NTC) Thermal Ceramics.
Resistance na Thermal Ceramics tare da ingantaccen adadin zafin jiki yana raguwa sosai tare da haɓakar zafin jiki.Ana buƙatar wannan sifa ta kayan lantarki na hatsi da iyakokin hatsi a cikin tsarin yumbura.Yamijiyoyi ne kawai tare da hatsi sosai da hatsi sosai da hatsi a iyakokin hatsi na iya samun wannan halayyar.Abubuwan da aka saba amfani da su masu inganci na zafin jiki na thermosensitive tukwane suna sarrafa kayan yumbu na BaTiO wanda ke ɗauke da ƙazanta da kayan aiki a cikin ragi.Ana amfani da su galibi don yin nau'in nau'in wutar lantarki mai canzawa thermosensitive yumbu resistors, masu iyaka na yanzu, da sauransu.
Rashin juriya na ƙarancin zafin jiki mara kyau na yumbura yana ƙaruwa da ƙarfi tare da haɓakar zafin jiki.Yawancin waɗannan yumbu sune mafita mai ƙarfi na ƙarfe oxide mai ƙarfi tare da tsarin spinel, wato, yawancin oxides waɗanda ke ɗauke da ƙarfe ɗaya ko fiye na tsaka-tsaki (kamar Mn, Cu, Ni, Fe, da sauransu).Tsarin sinadarai na gaba ɗaya shine AB2O4, kuma tsarin tafiyar da shi ya bambanta bisa ga abun da ke ciki, tsari da yanayin semiconductor.Ana amfani da yumburan zafin jiki mara kyau don auna zafin jiki da ramuwar zafin jiki.Bugu da kari, akwai yumburan zafin jiki wanda tsayayyarsu ke canzawa a layi tare da karuwar zafin jiki, da Thermal Ceramics wanda tsayayyarsu ya sake canzawa a wani yanayi mai mahimmanci.Ana amfani da na ƙarshe don samar da na'urorin samar da wutar lantarki, don haka ana kiranta wutar lantarki Thermal Ceramics.Dangane da kewayon zafin jiki, ana rarraba yumburan thermal zuwa ƙananan zafin jiki (4 ~ 20K, 20 ~ 80K, 77 ~ 300K, da dai sauransu), matsakaicin zafin jiki (wanda kuma aka sani da daidaitawa, - 60 ~ 300 ℃) da zazzabi mai girma (300 ~ 1000 ℃).
Madaidaicin madaidaicin zafin jiki na thermistor;Semiconductor yumbu;Ferroelectric yumbu;ci gaba
Abstract: bisa ga rahotannin wallafe-wallafen da kuma kwarewa a cikin aikin aiki, an kwatanta binciken ƙididdiga, gwajin tsari, halayen kayan aiki da aikace-aikacen yumbura na PTC.
Johnson Power, sabis na tsayawa ɗaya ga masu amfani da wutar lantarki a duniya.Jiangxi Johnson Electric Co., Ltd. yana samar da insulators na wutar lantarki, masu insulators na ain, gilashin insulators, masu haɗar insulators, injin layi, insulators na dakatarwa, injin fil, insulators diski, insulators na tashin hankali, masu kama walƙiya, disconnectors, masu canza wuta, masu sauya kaya, tashoshin akwatin, digo. fiusi, igiyoyi da kayan aikin wuta.Barka da zuwa tambaya.
Halayen gilashin insulator
Gilashin insulator yana da halaye masu zuwa:
(1) Babban ƙarfin injiniya, 1 ~ 2 sau sama da na insulator na ain.
(2) Ayyukan yana da ƙarfi kuma ba sauƙin tsufa ba, kuma aikin lantarki ya fi na insulator na ain.
(3) Tsarin samarwa yana ƙasa da ƙasa, sake zagayowar samarwa yana ɗan gajeren lokaci, yana dacewa da injina da samarwa ta atomatik, kuma ingancin samarwa yana da girma.
(4) Saboda gaskiyar gaskiyar gilashin insulator, yana da sauƙi a sami ƙananan fashe da lahani na ciki daban-daban ko lalacewa yayin dubawa na waje.
(5) Idan akwai lahani iri-iri a jikin gilashin na insulator, gilashin zai karye kai tsaye, wanda ake kira "karya kai".Bayan da insulator ya karye, ragowar guduma na hular ƙarfe har yanzu yana riƙe da wani ƙarfin injin kuma yana rataye shi akan layi, kuma layin na iya ci gaba da aiki.Lokacin da mai duba layi ya duba layin, yana da sauƙi a sami insulator ya karye kuma ya maye gurbin sabon insulator a cikin lokaci.Saboda gilashin gilashin gilashi yana da halaye na "katse kansa", ba lallai ba ne don aiwatar da gwajin rigakafi a kan insulator a cikin tsarin aikin layi, wanda ya kawo babban dacewa ga aikin.
(6) Gilashin insulators masu nauyi ne.Saboda tsarin masana'antu da wasu dalilai, ƙimar "karyar da kai" na insulator na gilashin yana da yawa, wanda shine mummunan lahani na gilashin gilashi.
Nau'in haɗaɗɗen dakatarwar insulator:
daidaitaccen nau'in, nau'in juriya mai gurɓatawa, nau'in DC, nau'in sikeli, nau'in aerodynamic, nau'in waya na ƙasa, don tsarin tuntuɓar sama na layin dogo na lantarki.
1. The composite insulator samfurin ya ƙunshi sassa uku: gilashin fiber epoxy guduro ja-fita sanda, silicone roba laima skirt da hardware.Siket ɗin laima na roba na silicone yana ɗaukar tsarin allurar matsa lamba, wanda ke magance matsalar maɓallin da ke shafar amincin insulator mai haɗaɗɗiya, ɓarnar wutar lantarki.Mafi ci gaba crimping tsari da aka dauka don haɗi tsakanin gilashin cire sandar da kayan aiki, wanda aka sanye take da cikakken atomatik acoustic tsarin gano kuskure.Yana da babban ƙarfi, kyakkyawan bayyanar, ƙaramin ƙara da nauyi mai sauƙi.Kayan aikin galvanized na iya hana tsatsa da lalata, kuma ana iya musanya su da insulators na ain.Tsarin abin dogara ne, baya lalata mandrel, kuma yana iya ba da cikakkiyar wasa ga ƙarfin injin sa.
2. Mafi girman aikin lantarki da ƙarfin injina.Ƙarfin ƙarfi da sassaucin sandar cire gilashin epoxy da aka ɗora a ciki shine sau 2 sama da na ƙarfe na yau da kullun da 8 ~ 10 sau sama da na ain mai ƙarfi, wanda ke inganta amincin aiki mai aminci.
3. Yana da kyakyawan juriya na gurɓataccen gurɓataccen iska, da juriya mai kyau da ƙaƙƙarfan juriya na walƙiya.Its rigar jure ƙarfin lantarki da ƙazanta juriya ƙarfin lantarki ne 2 ~ 2.5 sau na ain insulators tare da wannan creepage nisa.Ba tare da tsaftacewa ba, yana iya aiki lafiya a cikin gurɓataccen gurɓataccen wuri.
4. Ƙananan ƙararrawa, nauyin nauyi (kawai 1 / 6 ~ 1 / 9 na insulator na nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i) nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in) 1 / 6 ~ 9 9 na 99 na insulator na insulator na 9.
5. Siket ɗin laima na roba na silicone yana da kyakkyawan aikin hydrophobic.Tsarinsa na gaba ɗaya yana tabbatar da cewa rufin ciki bai shafi danshi ba.Babu buƙatar gwajin sa ido na rigakafin rigakafi da tsaftacewa, wanda ke rage yawan aikin kulawar yau da kullun.
6. Yana da kyakkyawan aikin rufewa da ƙarfin juriya na lalata lantarki.Kayan siket ɗin laima yana da juriya ga ƙyalli na lantarki kuma yana nuna alamar tma4 Level 5, tare da juriya mai kyau na tsufa, juriya na lalata da ƙarancin zafin jiki, wanda za'a iya amfani da shi zuwa yankin - 40 ℃ ~ - 50 ℃.
7. Yana da karfi tasiri juriya da kuma girgiza juriya, mai kyau anti brittleness da creep juriya, ba sauki karya, high lankwasawa da torsional ƙarfi, iya jure ciki matsa lamba, karfi fashewa-hujja karfi, kuma za a iya musanya da ain da gilashin insulators.
8. The inji da lantarki Properties na composite insulator jerin sun fi na ain insulator, tare da babban aiki aminci gefe.samfuri ne da aka sabunta don layin wutar lantarki.
Halayen hada insulator
1. Ƙimar sifili shine karya kai da sauƙin ganewa
Gefen rataye fili yana da halaye na karya darajar kai.Matukar ana ganinsa a kasa ko kuma a cikin jirgi mai saukar ungulu, to babu bukatar a hau kan sandar don gano guntun-guda, wanda ke rage kwazon ma'aikata.
Tare da gabatarwar samfurori daga layin samarwa, aikin aikin da aka yi na shekara-shekara shine 0.02-0.04%, wanda zai iya adana farashin kulawa na layin.Kyakkyawan baka da juriya na girgiza.A cikin aiki, sabon saman insulator na gilashin da walƙiya ya kona har yanzu jikin gilashin santsi ne kuma yana da ƙaƙƙarfan shinge na kariya na damuwa na ciki.Sabili da haka, har yanzu yana kula da isassun makamashin rufi da ƙarfin injina.
Bala'i mai ɗimbin ɗabi'a da icing ɗin madugu ya haifar ya faru sau da yawa akan layin 500 kV.Rukunin dakatarwar da aka haɗa bayan madugu galloping ba shi da raguwa a aikin injin lantarki.
2. Kyakkyawan aikin tsaftace kai kuma ba sauƙin tsufa ba
Bisa ga ma'anar ma'aikatar wutar lantarki gabaɗaya, gilashin insulator ba shi da sauƙi don tara gurɓatacce kuma mai sauƙin tsaftacewa, kuma gilashin gilashin da ke aiki a kan layin kudu yana wanke tsabta bayan ruwan sama.
Yi samfurin gilashin insulators akai-akai akan layukan da aka saba don auna aikin injin lantarki bayan aiki.Dubban bayanan da aka tara sun nuna cewa aikin injin lantarki na injinan gilashin bayan shekaru 35 na aiki ya yi daidai da wancan a lokacin bayarwa, kuma babu wani abin da ya faru na tsufa.
Babban ƙarfin yana da girma, rarraba wutar lantarki a cikin kirtani shine uniform, kuma dielectric akai-akai na gilashin shine 7-8, wanda ke sa insulator mai haɗawa yana da babban babban ƙarfin da rarraba wutar lantarki iri ɗaya a cikin kirtani, wanda ya dace don rage girman Wutar lantarki da ke ɗaukar insulator kusa da gefen madugu da gefen ƙasa, don rage kutsawar rediyo, rage asarar corona da tsawaita rayuwar insulator ɗin gilashi.Ayyukan aiki sun tabbatar da haka
Halayen ayyuka da yanayin sabis na haɗaɗɗen insulator # halaye na kayan aikin haɗin gwal:
1. Kananan ƙara da nauyi mai nauyi, wanda shine kusan 1/5 ~ 1/9 na ƙarfin ƙarfin lantarki.
2. Haɗaɗɗen insulator yana da ƙarfin injiniya mai ƙarfi, ingantaccen tsari, ingantaccen aiki da babban gefe don aiki mai aminci, wanda ke ba da garanti don layi da aiki mai aminci.
3. Na'urar insulator mai hade yana da aikin lantarki mafi girma.Siket ɗin laima na roba na silicone yana da kyakkyawan yanayin ruwa da motsi, juriya mai kyau da ƙaƙƙarfan ikon lalata gurɓatawa.Yana iya aiki cikin aminci a cikin gurɓataccen gurɓataccen wuri ba tare da tsaftace hannu ba kuma yana iya zama mai 'yanci daga ƙimar sifili.
4. The composite insulator yana da halaye na acid da alkali juriya, zafi tsufa juriya da wutar lantarki juriya, mai kyau sealing yi, kuma zai iya tabbatar da cewa ta ciki rufi ba a shafa da danshi.
5. The composite insulator yana da kyau juriya ga brittleness, mai karfi juriya da kuma babu gaggautsa karaya hatsari.
6. Haɗaɗɗen insulators ana iya maye gurbinsu kuma ana iya musanya su tare da insulators na ain.
Yadda za a yi hukunci da ingancin insulator?
a.Ma'auni don ƙwararrun juriya na rufi
(1) Juriya na insulators da aka shigar zai zama mafi girma ko daidai da 500m Ω.
(2) Juriya na insulator yayin aiki zai zama mafi girma ko daidai da 300m Ω.
b.Ka'idar shari'a ta lalacewar insulator
(1) Idan juriya na insulator bai wuce 300m Ω kuma ya fi 240m Ω, ana iya yanke shi azaman insulator mai ƙarancin ƙima.
(2) Idan juriya na insulator bai wuce 240m Ω ba, ana iya yanke shi azaman insulator sifili.
Ba a amfani da wannan hanyar gabaɗaya don gwada juriya na insulation.
Ana amfani da insulators na dakatarwa sosai a tsarin wutar lantarki.Insulators na dakatarwar FRP suna da tsawon rayuwar sabis kuma tsarin wutar lantarki ya fi so.Ingantattun insulators na dakatarwa a kasuwa bai yi daidai ba.Akwai insulators na dakatar da sharar da aka sake yin fa'ida akan siyarwa.Wajibi ne a kwatanta kaya yayin siyan insulators na dakatarwa.Idan kana son sanin game da taron dakatarwar insulator da kuma samun hotunan haɗin kai na dakatarwa, ana maraba da ku tuntuɓar kamfanin na'urorin wutar lantarki na Joson, mai kera insulator mai inganci.Josen ikon samar da high-ƙarfin lantarki lantarki ain dakatar insulators, 330kV dakatar insulators, 500kV dakatar insulators, 10kV dakatar hada insulators, dakatar gurbatawa resistant insulators, talakawa dakatar insulators, faifai dakatar gilashin insulators da kuma dakatar yumbu.
Lokacin aikawa: Afrilu-18-2022