Njirimara nke insulators seramiiki
Dị ka njirimara ngwa si dị, enwere ike kewaa tubes seramiiki eletrik n'ime: Insulators maka ahịrị, ihe mkpuchi maka ọdụ ọkụ ma ọ bụ ngwa eletriki;Enwere ike kewaa ya na insulator ime ụlọ na n'èzí dị ka ebe ngwa ngwa si dị;Ceramic, eke ụrọ dị ka akụrụngwa, agwakọta ihe na-akpụ, workpiece A na-eji seramiki nkịtị eme ihe kwa ụbọchị, idebe ihe owuwu, ngwa eletriki (mkpuchi), ụlọ ọrụ kemịkalụ na seramiki pụrụ iche - capacitors, piezoelectric, magnetik, electro-optic na ceramics eletrik dị elu. a na-ekewakarị dịka ụdị ngwaahịa, ọkwa voltaji na gburugburu ngwa ngwa nke ceramik eletrik.Dịka ụdị ngwaahịa ahụ si dị, enwere ike kewaa ya n'ime: mkpuchi nkwusioru diski, insulator pin, insulator mkpanaka, insulator oghere, wdg;Dị ka voltaji larịị, ọ nwere ike kewaa ala-voltaji (AC 1000 V na n'okpuru, DC 1500 V na n'okpuru) insulators na elu voltaji (AC 1000 V na n'elu, DC 1500 V na n'elu) insulators.N'ime ndị insulators dị elu, e nwere ultra-high voltaji (AC 330kV na 500 kV, DC 500 kV) na ultra-high voltaji (AC 750kV na 1000 kV, DC 800 kV).
Ụdị ceramics na-arụ ọrụ nke resistivity na-agbanwe nke ukwuu na okpomọkụ.Dị ka nguzogide ọnọdụ okpomọkụ si dị, a na-ekewa ya na nhazi okpomọkụ dị mma (PTC) Thermal Ceramics na ihe na-adịghị mma okpomọkụ (NTC) Thermal ceramics.
Nguzogide nke ceramics Thermal nwere ọnụọgụ okpomọkụ dị mma na-ebelata nke ukwuu site na mmụba nke okpomọkụ.A chọrọ njirimara a site na akụrụngwa eletriki nke ọka na oke ọka na nhazi nke ceramik.Naanị ceramik nwere mkpụrụ ọka semiconducted zuru oke na mkpuchi dị mkpa na oke ọka nwere ike ịnwe njirimara a.Igwe ọkụ na-ekpo ọkụ na-ekpo ọkụ nke ọma nke a na-ejikarị eme ihe bụ seramik BaTiO nwere semiconducting nke nwere adịghị ọcha na ihe ndị na-arụ ọrụ na ikuku dị ala.A na-ejikarị ha eme ụdị ike swing variable thermosensitive seramiiki resistors, ihe mgbochi ugbu a, wdg.
Nguzogide nke ọnụọgụ okpomọkụ na-adịghị mma ceramik thermosensitive na-abawanye nke ukwuu site na mmụba nke okpomọkụ.Ọtụtụ n'ime ceramik ndị a bụ mgbanwe metal oxide siri ike nke nwere usoro spinel, ya bụ, ọtụtụ oxides nwere otu ma ọ bụ karịa ọla mgbanwe (dị ka Mn, Cu, Ni, Fe, wdg).Usoro kemịkalụ izugbe bụ AB2O4, usoro ya na-eduzi ya dịgasị iche dabere na nhazi, nhazi na ọnọdụ semiconductor.A na-eji seramiki okpomọkụ na-adịghị mma eme ihe maka nha okpomọkụ na nkwụghachi okpomọkụ.Na mgbakwunye, e nwere thermal ceramics nke resistivity na-agbanwe linearly na mmụba nke okpomọkụ, na Thermal Ceramics nke resistivity na-agbanwe ọzọ na a ụfọdụ oké egwu okpomọkụ.A na-eji nke ikpeazụ emepụta ngwaọrụ ndị na-enye ọkụ, ya mere a na-akpọ ya ọkụ ọkụ Thermal Ceramics.Dị ka okpomọkụ nso, thermal seramiki na-ekewa n'ime ala okpomọkụ (4 ~ 20K, 20 ~ 80K, 77 ~ 300K, wdg), ọkara okpomọkụ (nke a makwaara dị ka standardization, - 60 ~ 300 ℃) na elu okpomọkụ (300 ~ 300). 1000 ℃).
ezigbo okpomọkụ ọnụọgụ thermistor;Semiconductor ceramik;Ferroelectric ceramik;mmepe
Abstract: dị ka akwụkwọ akụkọ na ahụmahụ na-arụ ọrụ na-arụ ọrụ, a na-akọwa nchọpụta nhazi, nyocha usoro, njirimara ihe na ngwa nke ceramics PTC.
Johnson ike, otu nkwụsị ọrụ maka ndị ọrụ ike ụwa.Jiangxi Johnson Electric Co., Ltd. na-arụpụta ike insulators, poselin insulators, iko insulators, composite insulators, akara insulators, nkwusioru insulators, pin insulators, diski insulators, erughị ala insulators, ọkụ njide, disconnectors, transformers, ibu switches, igbe substations, dobe fuses, cables na ngwa ngwa ike.Nnọọ ịjụ ajụjụ.
Njirimara nke insulator iko
Glass insulator nwere àgwà ndị a:
(1) Ike igwe dị elu, 1 ~ 2 ugboro dị elu karịa nke insulator poselin.
(2) Ọrụ ahụ kwụsiri ike na ọ dịghị mfe ịka nká, yana arụmọrụ eletrik dị elu karịa nke insulator poselin.
(3) Usoro mmepụta ahụ dị ntakịrị, usoro mmepụta dị mkpụmkpụ, ọ dị mma maka mmepụta mechanized na akpaaka, na mmepụta mmepụta dị elu.
(4) N'ihi nghọta nke insulator iko, ọ dị mfe ịchọta obere mgbawa na ntụpọ dị iche iche dị n'ime ma ọ bụ mmebi n'oge nyocha nke mpụga.
(5) Ọ bụrụ na enwere ntụpọ dị iche iche na ahụ iko nke insulator, iko ahụ ga-agbaji na-akpaghị aka, nke a na-akpọ "self breaking".Mgbe agbajichara ihe mkpuchi ahụ, hama fọdụrụnụ nke okpu ígwè ka na-ejigide ike arụ ọrụ ma kwụgidere ya n'ahịrị, eriri ahụ ka nwere ike ịga n'ihu na-arụ ọrụ.Mgbe onye na-enyocha ahịrị na-enyocha ahịrị, ọ dị mfe ịchọta insulator mebiri emebi ma dochie ihe mkpuchi ọhụrụ n'oge.N'ihi na ihe mkpuchi iko ahụ nwere njirimara nke "na-agbaji onwe ya", ọ dịghị mkpa ịme ule mgbochi na insulator na usoro nke ọrụ ahịrị, nke na-eme ka ọrụ ahụ dịkwuo mma.
(6) Ihe mkpuchi iko dị obere na ịdị arọ.N'ihi usoro mmepụta ihe na ihe ndị ọzọ, ọnụ ọgụgụ "na-agbaji onwe ya" nke insulator iko dị elu, nke bụ ihe ọjọọ na-egbu egbu nke mkpuchi iko.
Ụdị mkpuchi nkwusioru ihe mejupụtara:
ụdị ọkọlọtọ, ụdị na-eguzogide mmetọ, ụdị DC, ụdị okirikiri, ụdị ikuku ikuku, ụdị waya ala, maka sistemụ kọntaktị n'elu nke ụgbọ okporo ígwè eletrik.
1. The mejupụtara insulator ngwaahịa na-emi esịnede atọ akụkụ: iko eriri epoxy resin sere-osisi, silicone roba nche anwụ uwe mwụda na ngwaike.Uwe mkpuchi mkpuchi mkpuchi silicone na-anabata usoro ịgba ọgwụ mgbochi nrụgide, nke na-edozi isi nsogbu na-emetụta ntụkwasị obi nke insulator mejupụtara, ndakpọ eletriki interface.A na-anabata usoro crimping kachasị elu maka njikọ dị n'etiti mkpanaka na-ewepụ iko na ihe ndị dị mma, nke a na-eji usoro nchọpụta ihe na-eme ihe na-akpaghị aka na-akpaghị aka.Ọ nwere ike dị elu, ọdịdị mara mma, obere olu na obere arọ.Ngwa ndị galvanized nwere ike igbochi nchara na corrosion, enwere ike iji ihe mkpuchi poselin gbanwee.Ihe owuwu ahụ bụ nke a pụrụ ịdabere na ya, anaghị emebi mandrel, ma nwee ike inye egwuregwu zuru oke na ike ọrụ ya.
2. Igwe ọkụ eletrik dị elu na ike igwe dị elu.The tensile na flexural ike nke epoxy iko dọpụta mkpara n'ime bụ 2 ugboro elu karịa nke nkịtị ígwè na 8 ~ 10 ugboro elu karịa nke elu-ike poselin, nke ọma mma na ntụkwasị obi nke nchekwa ọrụ.
3. Ọ nwere ezigbo nguzogide mmetọ, ezigbo mmetọ mmetọ na ike mmetọ ọkụ ọkụ.Ya mmiri na-eguzogide voltaji na mmetọ na-eguzogide voltaji bụ 2 ~ 2.5 ugboro nke poselin insulators nwere otu creepage anya.Na-enweghị ihicha, ọ nwere ike ịrụ ọrụ n'enweghị nsogbu n'ebe ndị emetọchara.
4. Obere olu, ịdị arọ dị arọ (naanị 1 / 6 ~ 1 / 9 nke insulator poselin nke otu ọkwa voltaji), usoro ọkụ na njem dị mma na ntinye.
5. Uwe mkpuchi mkpuchi mkpuchi silicone nwere ezigbo ọrụ hydrophobic.Nhazi ya n'ozuzu ya na-eme ka o doo anya na mmiri adịghị emetụta ihe mkpuchi dị n'ime.Ọ dịghị mkpa maka nyocha nlekota mkpuchi mgbochi mgbochi na nhicha, nke na-ebelata ọrụ nke nlekọta kwa ụbọchị.
6. Ọ nwere arụmọrụ mkpuchi dị mma na nguzogide corrosion eletrik siri ike.Ihe mkpuchi nche anwụ na-eguzogide ọgwụ ọkụ eletrik na akara ruo tma4 Level 5, na-enwe ezigbo nguzogide ịka nká, nguzogide corrosion na obere okpomọkụ na-eguzogide, nke nwere ike itinye na mpaghara - 40 ℃ ~ - 50 ℃.
7. Ọ nwere mmetụta siri ike na-eguzogide na ujo eguzogide, ezi mgbochi brittleness na creep eguzogide, adịghị mfe imebi, elu ekwe na torsional ike, nwere ike idi esịtidem mgbali, ike mgbawa-àmà ike, na ike interchanged na poselin na iko insulators.
8. Ngwa igwe na eletriki nke usoro insulator mejupụtara dị mma karịa nke insulator poselin, yana oke nchekwa nchekwa ọrụ buru ibu.Ọ bụ ngwaahịa emelitere maka eriri ọkụ.
Njirimara nke insulator mejupụtara
1. Uru efu bụ imebi onwe ya ma dị mfe ịchọpụta
Ngwunye kpọgidere ọnụ nwere njirimara efu uru imebi onwe ya.Ọ bụrụhaala na a na-ahụ ya n'elu ala ma ọ bụ na helikopta, ọ dịghị mkpa ịrịgo osisi ahụ iji chọpụta mpempe akwụkwọ, nke na-ebelata ọrụ ndị ọrụ.
Site na iwebata ngwaahịa sitere na ahịrị mmepụta, ọnụ ọgụgụ na-agbaji onwe onye na-arụ kwa afọ bụ 0.02-0.04%, nke nwere ike ịchekwa ụgwọ mmezi nke ahịrị.Ezigbo arc na nguzogide vibration.Na-arụ ọrụ, elu ọhụrụ nke iko insulator ọkụ na-ere ọkụ ka bụ ahụ enyo dị larịị ma nwee oyi akwa nchekwa nke nrụgide siri ike.Ya mere, ọ ka na-edobe ike mkpuchi zuru oke na ike igwe.
Ọdachi galloping nke onye na-eduzi icing kpatara emeela ọtụtụ oge na ahịrị 500 kV.Ihe mkpuchi nkwusioru ihe mejupụtara ya mgbe onye na-eduzi galloping enweghị attenuation na arụmọrụ elektrọn.
2. Ezi arụmọrụ na-ehicha onwe ya na ọ dịghị mfe ịka nká
Dị ka echiche izugbe nke ngalaba ike, iko insulator adịghị mfe ịkwakọba mmetọ ma dị mfe ihicha, na ihe mkpuchi iko na-agba ọsọ na ahịrị ndịda na-asacha ọcha mgbe mmiri ozuzo gasịrị.
Na-enyocha ihe mkpuchi iko mgbe niile na ahịrị ndị a na-ahụkarị iji tụọ arụmọrụ electromechanical mgbe arụchara ọrụ.Ọtụtụ puku data chịkọbara na-egosi na arụmọrụ electromechanical nke ihe mkpuchi iko mgbe afọ 35 gasịrị na-arụ ọrụ na-adabere na nke ahụ n'oge nnyefe, ọ dịghịkwa ihe ọ bụla merela agadi.
The isi ike bụ nnukwu, voltaji nkesa na eriri bụ edo, na dielectric mgbe niile nke iko bụ 7-8, nke na-eme ka ihe mejupụtara insulator nwere nnukwu isi capacitance na edo voltaji nkesa na eriri, nke na-eme ka ibelata. voltaji na-ebu site na insulator dị nso n'akụkụ onye na-eduzi na n'akụkụ ala, ka ibelata nnyonye anya redio, belata mfu corona ma gbatịa ndụ ọrụ nke mkpuchi iko.Omume arụ ọrụ egosila nke a
Njirimara arụmọrụ yana ọnọdụ ọrụ nke insulator mejupụtara # njirimara arụmọrụ nke insulator mejupụtara:
1. Obere olu na ịdị arọ dị arọ, nke dị ihe dị ka 1 / 5 ~ 1 / 9 nke otu ọkwa voltaji poselin insulator, nke dị mma maka njem na ntinye.
2. Insulator mejupụtara nwere nnukwu ọrụ igwe, usoro a pụrụ ịdabere na ya, arụmọrụ kwụsiri ike na oke oke maka ọrụ nchekwa, nke na-enye nkwa maka ahịrị na ọrụ nchekwa.
3. Ihe mkpuchi ihe mejupụtara nwere arụmọrụ eletrik dị elu.Uwe mkpuchi mkpuchi mkpuchi silicone nwere ezigbo hydrophobicity na ngagharị, ezigbo nguzogide mmetọ yana ikike mgbochi mmetọ siri ike.Ọ nwere ike ịrụ ọrụ n'enweghị nsogbu na mpaghara mmetọ nke ukwuu na-enweghị ihicha akwụkwọ ntuziaka ma nwee ike nweere onwe ya pụọ na mmezi uru efu.
4. Ihe mkpuchi ihe mejupụtara nwere njirimara nke acid na alkali resistance, okpomọkụ na-eguzogide ịka nká na ọkụ eletrik, arụ ọrụ mkpuchi dị mma, ma nwee ike hụ na mmiri adịghị emetụta ihe mkpuchi ya n'ime ya.
5. Ihe mkpuchi ihe mejupụtara nwere ezigbo nguzogide brittleness, nguzogide siri ike na enweghị ihe mberede mgbaji.
6. Ngwakọta insulators nwere ike dochie anya ma nwee ike iji ihe mkpuchi poselin gbanwee.
Kedu ka esi ekpe ikpe ogo insulator?
a.Ọkọlọtọ maka nguzogide mkpuchi ruru eru
(1) Mgbochi mkpuchi nke mkpuchi mkpuchi arụnyere ọhụrụ ga-adị karịa ma ọ bụ haha na 500m Ω.
(2) Nguzogide mkpuchi nke insulator n'oge arụ ọrụ ga-adị karịa ma ọ bụ hà nhata 300m Ω.
b.Ụkpụrụ ikpe nke mmebi insulator
(1) Ọ bụrụ na nguzogide mkpuchi nke insulator bụ ihe na-erughị 300m Ω na karịa 240m Ω, enwere ike ikpebi ya dị ka insulator dị ala.
(2) Ọ bụrụ na nguzogide mkpuchi nke insulator erughị 240m Ω, enwere ike ikpe ya dị ka ihe mkpuchi efu.
A naghị eji usoro a n'ozuzu iji nwalee nguzogide mkpuchi nke mkpuchi ihe mejupụtara.
A na-eji ihe mkpuchi nkwusioru eme ihe n'ọtụtụ ebe na sistemu ike.Ihe mkpuchi nkwusioru FRP nwere ogologo ndụ ọrụ yana sistemụ ike masịrị ya.Ogo nke nkwusioru insulators na ahịa bụ ahaghị nhata.Enwere mkpuchi nkwusioru mkpofu emegharịrị na-ere.Ọ dị mkpa iji tụnyere ngwongwo mgbe ị na-azụta insulators nkwusioru.Ọ bụrụ na ịchọrọ ịma gbasara mgbakọ nkwusioru mkpuchi mkpuchi ma nweta foto njikọ nkwusioru, ị ga-agakwuru ụlọ ọrụ akụrụngwa ọkụ Joson, onye na-emepụta ihe mkpuchi nkwusioru dị elu.Josen ike na-enye elu-voltaji electric poselin nkwusioru insulators, 330kV nkwusioru insulators, 500kV nkwusioru insulators, 10kV nkwusioru mejupụtara insulators, nkwusioru mmetọ eguzogide insulators, nkịtị nkwusioru insulators, disk nkwusioru iko insulators na nkwusioru seramiiki.
Oge nzipu: Eprel-18-2022