CN114464348A - 耐电晕漆包圆线及其制备方法 - Google Patents
耐电晕漆包圆线及其制备方法 Download PDFInfo
- Publication number
- CN114464348A CN114464348A CN202110925433.8A CN202110925433A CN114464348A CN 114464348 A CN114464348 A CN 114464348A CN 202110925433 A CN202110925433 A CN 202110925433A CN 114464348 A CN114464348 A CN 114464348A
- Authority
- CN
- China
- Prior art keywords
- corona
- resistant
- coating
- round wire
- enameled round
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 111
- 239000011248 coating agent Substances 0.000 claims abstract description 108
- 239000004962 Polyamide-imide Substances 0.000 claims abstract description 45
- 229920002312 polyamide-imide Polymers 0.000 claims abstract description 45
- 229920005989 resin Polymers 0.000 claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 32
- 239000004642 Polyimide Substances 0.000 claims abstract description 24
- 229920001721 polyimide Polymers 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 21
- 239000003973 paint Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 19
- -1 poly (arylene ether nitrile Chemical class 0.000 claims description 15
- 230000001804 emulsifying effect Effects 0.000 claims description 12
- 229920002050 silicone resin Polymers 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- 229920001296 polysiloxane Polymers 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000004695 Polyether sulfone Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000011858 nanopowder Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 229920006393 polyether sulfone Polymers 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- UQMOLLPKNHFRAC-UHFFFAOYSA-N tetrabutyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)OCCCC UQMOLLPKNHFRAC-UHFFFAOYSA-N 0.000 claims description 4
- CMLFRMDBDNHMRA-UHFFFAOYSA-N 2h-1,2-benzoxazine Chemical compound C1=CC=C2C=CNOC2=C1 CMLFRMDBDNHMRA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 4
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 claims 2
- 239000004922 lacquer Substances 0.000 claims 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- 239000002966 varnish Substances 0.000 claims 1
- 239000005543 nano-size silicon particle Substances 0.000 description 9
- 235000012239 silicon dioxide Nutrition 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000137 annealing Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 238000010422 painting Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 3
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000001119 stannous chloride Substances 0.000 description 3
- 235000011150 stannous chloride Nutrition 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004447 silicone coating Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- BRXOKRLIIVYICJ-UHFFFAOYSA-N butoxy(trihydroxy)silane Chemical compound CCCCO[Si](O)(O)O BRXOKRLIIVYICJ-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- JDVIRCVIXCMTPU-UHFFFAOYSA-N ethanamine;trifluoroborane Chemical compound CCN.FB(F)F JDVIRCVIXCMTPU-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004843 novolac epoxy resin Substances 0.000 description 1
- 229920000090 poly(aryl ether) Polymers 0.000 description 1
- 229920003055 poly(ester-imide) Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/303—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
- H01B3/305—Polyamides or polyesteramides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/303—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
- H01B3/306—Polyimides or polyesterimides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
- H01B3/427—Polyethers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Insulating Materials (AREA)
- Paints Or Removers (AREA)
- Insulated Conductors (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
- Polymerisation Methods In General (AREA)
Abstract
本发明公开了一种耐电晕漆包圆线及其制备方法,耐电晕漆包圆线适用于电动汽车电机且包含铜导体以及绝缘层,绝缘层包覆铜导体且由内到外依次包含耐电晕聚酰胺酰亚胺涂层、耐电晕特种树脂涂层、耐电晕聚酰亚胺涂层、耐电晕改性硅树脂涂层,以及耐电晕聚酰胺酰亚胺涂层。
Description
技术领域
本发明属于耐电晕漆包圆线技术领域,尤指一种适用于电动汽车电机的耐电晕漆包圆线及其制备方法。
背景技术
现有技术介绍随着SiC、GaN高功率组件的应用,对电动汽车电机用绝缘材料及系统提出了更高的技术要求:频率提升,超高频化,产生严重的局放及电晕腐蚀,增加介质损耗发热,加速绝缘电热老化;电压升高,额定电压≥800V,产生的高频脉冲尖峰电压远高于现有电压值,急需绝缘材料及系统提升抵抗高频尖峰电压的能力,具备更高的局部放电初始电压值(Partial Discharge Inception Voltage,PDIV)及局部放电熄灭电值(PartialDischarge Extinction Voltage,PDEV)。
耐电晕漆包圆线作为电动汽车驱动电机主要绝缘材料,其性能对驱动电机的使用寿命等起到决定性作用,随着驱动电机的额定电压升高,关键是要提升漆包圆线的PDIV/PDEV值。目前现有的耐电晕漆包圆线的PDIV值基本在900V左右,PDEV值500V左右,不能满足高电压驱动电机使用技术需求。另外随着驱动电机超高频化发展,漆包圆线的耐电晕寿命还需进一步提升。所以急需研制一种具有高PDIV/PDEV值的耐电晕漆包圆线及其制备方法来满足高电压电动汽车驱动电机的发展与应用技术需求。
发明内容
(一)发明目的
本发明所要解决的技术问题是克服先前技术的不足,提供一种适用于电动汽车电机的耐电晕漆包圆线及其制备方法。
根据一实施例,本发明提供一种耐电晕漆包圆线,其适用于电动汽车电机,所述耐电晕漆包圆线包含一铜导体以及一绝缘层。所述绝缘层包覆所述铜导体且由内到外依次包含一第一耐电晕聚酰胺酰亚胺涂层、一耐电晕特种树脂涂层、一耐电晕聚酰亚胺涂层、一耐电晕改性硅树脂涂层,以及一第二耐电晕聚酰胺酰亚胺涂层。
进一步地,所述第一耐电晕聚酰胺酰亚胺涂层、所述耐电晕特种树脂涂层、所述耐电晕聚酰亚胺涂层、所述耐电晕改性硅树脂涂层,以及所述第二耐电晕聚酰胺酰亚胺涂层的厚度比例可分别为10%-20%、10%-25%、5%-15%、25%-35%,以及10%-25%。
进一步地,所述第一耐电晕聚酰胺酰亚胺涂层、所述耐电晕聚酰亚胺涂层以及所述第二耐电晕聚酰胺酰亚胺涂层可由奈米二氧化硅、三氧化二铝或其组合改性制备的耐电晕聚酰胺酰亚胺/聚酰亚胺漆涂覆而成。
进一步地,所述耐电晕特种树脂涂层可由奈米二氧化硅、三氧化二铝或其组合改性制备的耐电晕特种树脂漆液涂覆而成。
进一步地,所述耐电晕特种树脂漆液可选自苯并恶嗪、聚芳醚腈、聚芳醚腈砜、聚醚砜、改性聚醚醚酮、氰酸酯预聚体或其组合。
进一步地,所述耐电晕改性硅树脂涂层由下列制备方法所制成:将一定量正硅酸乙酯或正硅酸丁酯添加到反应瓶内,开动搅拌,加入正硅酸乙酯或正硅酸丁酯质量分数30%-100%含有羟基的聚硅氧烷以及物料总质量分数0.01%-0.2%的催化剂,开始升温到140℃-150℃,保温反应,待没有醇类溶剂蒸馏出,抽真空至-0.09MPa以上,保真空1-2小时,冷却、待用;将上述物料放料到密封的均质乳化釜内,添加醋酸丁酯调整固体含量到50%-60%;将一定量的奈米粉体添加到均质乳化釜内,开动搅拌速度到8000-12000r/min以均质分散至D50<100nm,以及开动釜内夹套冷却水冷却以使釜内物料温度低于60℃,待冷却到40℃以下,加入一定量的酚醛环氧树脂以及促进剂搅拌均匀,且采用10000目滤袋,加压过滤到洁净桶内,密封包装。
根据另一实施例,本发明提供一种耐电晕漆包圆线制备方法,其包含提供一铜导体以及在所述铜导体上依次涂覆一第一耐电晕聚酰胺酰亚胺涂层、一耐电晕特种树脂涂层、一耐电晕聚酰亚胺涂层、一耐电晕改性硅树脂涂层,以及一第二耐电晕聚酰胺酰亚胺涂层,以形成一绝缘层包覆所述铜导体而制得所述耐电晕漆包圆线。
本发明的上述技术方案具有如下有益的技术效果:
本发明与先前技术相比具有如下优点:漆包圆线的PDIV/PDEV值明显提升,相对于常规技术提升20%以上。耐电晕寿命优异,耐电晕寿命>80小时。漆膜耐高温性能好,满足220℃以上耐温等级需求。漆膜附着性优异,抗弯曲,延展性好,便于高槽满率驱动电机绕组嵌线。
附图说明
图1为根据本发明的一实施例所提出的耐电晕漆包圆线的剖面示意图。
图2为根据本发明的一实施例所提出的耐电晕漆包圆线的耐电晕改性硅树脂涂层制备方法的流程图。
图3为根据本发明的另一实施例所提出的耐电晕漆包圆线的耐电晕改性硅树脂涂层制备方法的流程图。
图4为根据本发明的另一实施例所提出的耐电晕漆包圆线的耐电晕改性硅树脂涂层制备方法的流程图。
附图标记:
1:铜导体;2:绝缘层;3:耐电晕聚酰胺酰亚胺涂层;4:耐电晕特种树脂涂层;5:耐电晕聚酰亚胺涂层;6:耐电晕改性硅树脂涂层;7:耐电晕聚酰胺酰亚胺涂层。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明了,下面结合具体实施方式并参照附图,对本发明进一步详细说明。应该理解,这些描述只是示例性的,而并非要限制本发明的范围。此外,在以下说明中,省略了对公知结构和技术的描述,以避免不必要地混淆本发明的概念。
在附图中示出了根据本发明实施例的层结构示意图。这些图并非是按比例绘制的,其中为了清楚的目的,放大了某些细节,并且可能省略了某些细节。图中所示出的各种区域、层的形状以及它们的间的相对大小、位置关系仅是示例性的,实际中可能由于制造公差或技术限制而有所偏差,并且本领域技术人员根据实际所需可以另外设计具有不同形状、大小、相对位置的区域/层。
显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
此外,下面所描述的本发明不同实施方式中所涉及的技术特征只要彼此的间未构成冲突就可以相互结合。
以下将参照附图更详细地描述本发明。在各个附图中,相同的元件采用类似的附图标记来表示。为了清楚起见,附图中的各个部分没有按比例绘制。
在实施例1中,本发明提供一种适用于电动汽车电机且具有高PDIV/PDEV值之耐电晕漆包圆线,请参阅图1,其为根据本发明之一实施例所提供之耐电晕漆包圆线的剖面示意图,如图1所示之耐电晕漆包圆线包含铜导体1及绝缘层2且透过以下步骤制备。
在卧式漆包圆线生产在线采用聚晶材质涂漆模具制备耐电晕漆包圆线,其中铜线退火温度为500℃/470℃,烘道固化温度为550℃,生产DV值为53。线规为0.8mm,依次涂覆耐电晕聚酰胺酰亚胺涂层3、耐电晕特种树脂涂层4、耐电晕聚酰亚胺涂层5、耐电晕改性硅树脂涂层6,以及耐电晕聚酰胺酰亚胺涂层7以形成绝缘层2包覆铜导体1,其涂层厚度比例分别为18%、19%、11%、30%、22%,漆膜双边总厚度为0.13mm。其中耐电晕聚酰胺酰亚胺涂层3、耐电晕聚酰亚胺涂层5以及耐电晕聚酰胺酰亚胺涂层7可由奈米二氧化硅、三氧化二铝或其组合改性制备之耐电晕聚酰胺酰亚胺/聚酰亚胺漆涂覆而成;耐电晕特种树脂涂层4可为奈米二氧化硅改性的聚醚砜涂层;耐电晕改性硅树脂涂层6之制备方法如图2所示,其中步骤S20系可较佳地为加入正硅酸乙酯或正硅酸丁酯质量分数30%-100%含有羟基的聚硅氧烷以及物料总质量分数0.01%-0.2%的催化剂(但不受此限):
步骤S20:将5000g的正硅酸乙酯添加到反应瓶内,开动搅拌,加入3150g含有羟基的超支化聚硅氧烷以及2.5g的氯化亚锡,开始升温到145℃,待没有醇类溶剂蒸馏出,抽真空至-0.09MPa,保真空2小时,冷却、待用;
步骤S22:称取3500g的上述反应物料放料到密封的均质乳化釜内,添加3340g的醋酸丁酯搅拌均匀以调整固体含量到50%-60%;
步骤S24:将1104g平均粒径为50nm的奈米三氧化二铝添加到密封的均质乳化釜内,开动搅拌速度到8000r/min(开动釜内夹套冷却水冷却,确保釜内物料温度低于60℃),均质分散至D50<100nm,冷却到40℃以下,加入1300g的F51酚醛环氧树脂及1.44g的三氟化硼乙醚搅拌均匀,采用10000目滤袋,加压过滤到洁净桶内,密封包装。
在实施例2中,本发明提供一种适用于电动汽车电机且具有高PDIV/PDEV值之耐电晕漆包圆线,透过以下步骤制备。
在卧式漆包圆线生产在线采用聚晶材质涂漆模具制备耐电晕漆包圆线,其中铜线退火温度为500℃/470℃,烘道固化温度为550℃,生产DV值为53。线规为0.8mm,依次涂覆耐电晕聚酰胺酰亚胺涂层3、耐电晕特种树脂涂层4、耐电晕聚酰亚胺涂层5、耐电晕改性硅树脂涂层6,以及耐电晕聚酰胺酰亚胺涂7以形成绝缘层2包覆铜导体1,其涂层厚度比例分别为15%、22%、13%、31%、19%,漆膜双边总厚度为0.13mm。其中耐电晕聚酰胺酰亚胺涂层3、耐电晕聚酰亚胺涂层5以及耐电晕聚酰胺酰亚胺涂层7可由奈米二氧化硅、三氧化二铝或其组合改性制备之耐电晕聚酰胺酰亚胺/聚酰亚胺漆涂覆而成;耐电晕特种树脂涂层4可为奈米三氧化二铝改性的杂萘联苯聚醚腈砜涂层;耐电晕改性硅树脂涂层6之制备方法如图3所示,其中步骤S30系可较佳地为加入正硅酸乙酯或正硅酸丁酯质量分数30%-100%含有羟基的聚硅氧烷以及物料总质量分数0.01%-0.2%的催化剂(但不受此限):
步骤S30:将6200g的正硅酸丁酯添加到反应瓶内,开动搅拌,加入4530g含有羟基的多面体倍半硅氧烷寡聚物(polyhedral oligomeric silsesquioxane,POSS)结构聚硅氧烷以及3.2g的氯化亚锡,开始升温到146℃,待没有醇类溶剂蒸馏出,抽真空至-0.09MPa,保真空2小时,冷却、待用;
步骤S32:称取5000g的上述反应物料放料到密封的均质乳化釜内,添加4890g的醋酸丁酯搅拌均匀以调整固体含量到50%-60%;
步骤S34:将1570g平均粒径45nm的奈米二氧化硅添加到密封的均质乳化釜内,开动搅拌速度到8500r/min(开动釜内夹套冷却水冷却,确保釜内物料温度低于60℃),均质分散至D50<100nm,冷却到40℃以下,加入2200g的F44酚醛环氧树脂及2.16g的三氟化硼乙胺搅拌均匀,采用10000目滤袋,加压过滤到洁净桶内,密封包装。
在实施例3中,本发明提供一种适用于电动汽车电机且具有高PDIV/PDEV值之耐电晕漆包圆线,透过以下步骤制备。
在卧式漆包圆线生产在线采用聚晶材质涂漆模具制备耐电晕漆包圆线,其中铜线退火温度为500℃/470℃,烘道固化温度为550℃,生产DV值为53。线规为0.8mm,依次涂覆耐电晕聚酰胺酰亚胺涂层3、耐电晕特种树脂涂层4、耐电晕聚酰亚胺涂层5、耐电晕改性硅树脂涂层6,以及耐电晕聚酰胺酰亚胺涂层7以形成绝缘层2包覆铜导体1,其涂层厚度比例分别为16%、23%、12%、30%、19%,漆膜双边总厚度为0.13mm。其中耐电晕聚酰胺酰亚胺涂层3、耐电晕聚酰亚胺涂层5以及耐电晕聚酰胺酰亚胺涂层7可由奈米二氧化硅、三氧化二铝或其组合改性制备之耐电晕聚酰胺酰亚胺/聚酰亚胺漆涂覆而成;耐电晕特种树脂涂层4为奈米三氧化二铝改性的聚醚砜涂层;耐电晕改性硅树脂涂层6的制备方法如图4所示,其中步骤S40系可较佳地为加入正硅酸乙酯或正硅酸丁酯质量分数30%-100%含有羟基的聚硅氧烷以及物料总质量分数0.01%-0.2%的催化剂(但不受此限):
步骤S40:将4500g的正硅酸乙酯添加到反应瓶内,开动搅拌,加入3600g含有羟基的超支化聚硅氧烷以及2.3g的氯化亚锡,开始升温到150℃,待没有醇类溶剂蒸馏出,抽真空至-0.09MPa,保真空2小时,冷却、待用;
步骤S42:称取3000g的上述反应物料放料到密封的均质乳化釜内,添加2172g的醋酸丁酯搅拌均匀以调整固体含量到50%-60%;
步骤S44:将890g平均粒径52nm的奈米二氧化硅添加到密封的均质乳化釜内,开动搅拌速度到9500r/min(开动釜内夹套冷却水冷却,确保釜内物料温度低于60℃),均质分散至D50<100nm,冷却到40℃以下,加入1280g的F51酚醛环氧树脂及1.2g的环氧树脂固化促进剂(DMP-30)搅拌均匀,采用10000目滤袋,加压过滤到洁净桶内,密封包装。
在对比例1中,在卧式漆包圆线生产在线采用聚晶材质涂漆模具制备耐电晕漆包圆线,其中铜线退火温度为500℃/470℃,烘道固化温度为550℃,生产DV值为53。线规为0.8mm,依次涂覆耐电晕聚酯亚胺涂层以及聚酰胺酰亚胺涂层,涂层厚度比例分别为85%、15%(市场上常规复合涂层耐电晕漆包圆线),漆膜双边总厚度为0.13mm。
在对比例2中,在卧式漆包圆线生产在线采用聚晶材质涂漆模具制备耐电晕漆包圆线,其中铜线退火温度为500℃/470℃,烘道固化温度为550℃,生产DV值为53。线规为0.8mm,涂覆耐电晕聚酰胺酰亚胺单涂层(耐电晕单涂层聚酰胺酰亚胺漆涂制),漆膜双边总厚度为0.13mm。
对实施例1-3及对比例1-2之耐电晕漆包圆线各项性能进行测试,结果参见表一。
表一实施例1-3和对比例1-2浸渍树脂的性能对比
其中,PDIV值测试,背景噪音<5pc;耐电晕寿命测试条件为:在高频脉冲测试上进行测试,波形方波,温度155℃,频率20kHz,脉冲时间100ns,电压3000V。
由于上述实施例1-3的实施,本发明与先前技术相比具有如下优点:漆包圆线的PDIV/PDEV值明显提升,相对于常规技术提升20%以上。耐电晕寿命优异,耐电晕寿命>80小时。漆膜耐高温性能好,满足220℃以上耐温等级需求。漆膜附着性优异,抗弯曲,延展性好,便于高槽满率驱动电机绕组嵌线。
应当理解的是,本发明的上述具体实施方式仅仅用于示例性说明或解释本发明的原理,而不构成对本发明的限制。因此,在不偏离本发明的精神和范围的情况下所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围的内。此外,本发明所附权利要求旨在涵盖落入所附权利要求范围和边界、或者这种范围和边界的等同形式内的全部变化和修改例。
Claims (12)
1.一种耐电晕漆包圆线,其适用于电动汽车电机,耐电晕漆包圆线包含:
一铜导体;以及
一绝缘层,其包覆所述铜导体且由内到外依次包含一第一耐电晕聚酰胺酰亚胺涂层、一耐电晕特种树脂涂层、一耐电晕聚酰亚胺涂层、一耐电晕改性硅树脂涂层,以及一第二耐电晕聚酰胺酰亚胺涂层。
2.根据权利要求1所述的耐电晕漆包圆线,其中所述第一耐电晕聚酰胺酰亚胺涂层、所述耐电晕特种树脂涂层、所述耐电晕聚酰亚胺涂层、所述耐电晕改性硅树脂涂层,以及所述第二耐电晕聚酰胺酰亚胺涂层的厚度比例分别为10%-20%、10%-25%、5%-15%、25%-35%,以及10%-25%。
3.根据权利要求1或2所述的耐电晕漆包圆线,其中所述第一耐电晕聚酰胺酰亚胺涂层、所述耐电晕聚酰亚胺涂层以及所述第二耐电晕聚酰胺酰亚胺涂层由奈米二氧化硅、三氧化二铝或其组合改性制备的耐电晕聚酰胺酰亚胺/聚酰亚胺漆涂覆而成。
4.根据权利要求1或2所述的耐电晕漆包圆线,其中所述耐电晕特种树脂涂层由奈米二氧化硅、三氧化二铝或其组合改性制备的耐电晕特种树脂漆液涂覆而成。
5.根据权利要求4所述的耐电晕漆包圆线,其中所述耐电晕特种树脂漆液选自苯并恶嗪、聚芳醚腈、聚芳醚腈砜、聚醚砜、改性聚醚醚酮、氰酸酯预聚体或其组合。
6.根据权利要求1或2所述的耐电晕漆包圆线,其中所述耐电晕改性硅树脂涂层由下列制备方法所制成:
将一定量正硅酸乙酯或正硅酸丁酯添加到反应瓶内,开动搅拌,加入正硅酸乙酯或正硅酸丁酯质量分数30%-100%含有羟基的聚硅氧烷以及物料总质量分数0.01%-0.2%的催化剂,开始升温到140℃-150℃,保温反应,待没有醇类溶剂蒸馏出,抽真空至-0.09MPa以上,保真空1-2小时,冷却、待用;
将上述物料放料到密封的均质乳化釜内,添加醋酸丁酯调整固体含量到50%-60%;以及
将一定量的奈米粉体添加到均质乳化釜内,开动搅拌速度到8000-12000r/min以均质分散至D50<100nm,以及开动釜内夹套冷却水冷却以使釜内物料温度低于60℃,待冷却到40℃以下,加入一定量的酚醛环氧树脂以及促进剂搅拌均匀,且采用10000目滤袋,加压过滤到洁净桶内,密封包装。
7.一种耐电晕漆包圆线制备方法,其包含:
提供一铜导体;以及
在所述铜导体上依次涂覆一第一耐电晕聚酰胺酰亚胺涂层、一耐电晕特种树脂涂层、一耐电晕聚酰亚胺涂层、一耐电晕改性硅树脂涂层,以及一第二耐电晕聚酰胺酰亚胺涂层,以形成一绝缘层包覆所述铜导体而制得所述耐电晕漆包圆线。
8.根据权利要求7所述的耐电晕漆包圆线制备方法,其中所述第一耐电晕聚酰胺酰亚胺涂层、所述耐电晕特种树脂涂层、所述耐电晕聚酰亚胺涂层、所述耐电晕改性硅树脂涂层,以及所述第二耐电晕聚酰胺酰亚胺涂层的厚度比例分别为10%-20%、10%-25%、5%-15%、25%-35%,以及10%-25%。
9.根据权利要求7或8所述的耐电晕漆包圆线制备方法,其中所述第一耐电晕聚酰胺酰亚胺涂层、所述耐电晕聚酰亚胺涂层以及所述第二耐电晕聚酰胺酰亚胺涂层由奈米二氧化硅、三氧化二铝或其组合改性制备的耐电晕聚酰胺酰亚胺/聚酰亚胺漆涂覆而成。
10.根据权利要求7或8所述的耐电晕漆包圆线制备方法,其中所述耐电晕特种树脂涂层由奈米二氧化硅、三氧化二铝或其组合改性制备的耐电晕特种树脂漆液涂覆而成。
11.根据权利要求10所述的耐电晕漆包圆线制备方法,其中所述耐电晕特种树脂漆液选自苯并恶嗪、聚芳醚腈、聚芳醚腈砜、聚醚砜、改性聚醚醚酮、氰酸酯预聚体或其组合。
12.根据权利要求7或8所述的耐电晕漆包圆线制备方法,其中所述耐电晕改性硅树脂涂层由下列制备方法所制成:
将一定量正硅酸乙酯或正硅酸丁酯添加到反应瓶内,开动搅拌,加入一定量含有羟基的聚硅氧烷以及催化剂,开始升温到140℃-150℃,保温反应,待没有醇类溶剂蒸馏出,抽真空至-0.09MPa以上,保真空1-2小时,冷却、待用;
将上述物料放料到密封的均质乳化釜内,添加醋酸丁酯调整固体含量到50%-60%;以及
将一定量的奈米粉体添加到均质乳化釜内,开动搅拌速度到8000-12000r/min以均质分散至D50<100nm,以及开动釜内夹套冷却水冷却以使釜内物料温度低于60℃,待冷却到40℃以下,加入一定量的酚醛环氧树脂以及促进剂搅拌均匀,且采用10000目滤袋,加压过滤到洁净桶内,密封包装。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110925433.8A CN114464348A (zh) | 2021-08-12 | 2021-08-12 | 耐电晕漆包圆线及其制备方法 |
TW110138663A TWI820493B (zh) | 2021-08-12 | 2021-10-19 | 耐電暈漆包圓線及其製備方法 |
US17/885,643 US11837384B2 (en) | 2021-08-12 | 2022-08-11 | Corona-resistant enameled round wire and preparation method therefor |
EP22190156.4A EP4134985A1 (en) | 2021-08-12 | 2022-08-12 | Corona-resistant enameled round wire and preparation method therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110925433.8A CN114464348A (zh) | 2021-08-12 | 2021-08-12 | 耐电晕漆包圆线及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114464348A true CN114464348A (zh) | 2022-05-10 |
Family
ID=81405893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110925433.8A Pending CN114464348A (zh) | 2021-08-12 | 2021-08-12 | 耐电晕漆包圆线及其制备方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11837384B2 (zh) |
EP (1) | EP4134985A1 (zh) |
CN (1) | CN114464348A (zh) |
TW (1) | TWI820493B (zh) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1311578A (fr) * | 1961-12-29 | 1962-12-07 | Thomson Houston Comp Francaise | Vulcanisation des organopolysiloxanes |
CN102034570A (zh) * | 2011-01-13 | 2011-04-27 | 株洲时代电气绝缘有限责任公司 | 一种玻璃丝包耐电晕漆包扁线制备方法及产品 |
CN203397741U (zh) * | 2013-08-17 | 2014-01-15 | 赣州三进特种漆包线有限公司 | 一种纳米变频自润滑耐冷媒漆包铝线 |
CN106905703A (zh) * | 2017-03-27 | 2017-06-30 | 北京化工大学 | 一种环氧改性有机硅树脂耐高温材料的制备方法 |
CN208256331U (zh) * | 2018-04-13 | 2018-12-18 | 浙江长城电工科技股份有限公司 | 混合动力卡车驱动电机用240级芳族聚酰亚胺漆包铜圆线 |
CN111508639A (zh) * | 2020-04-14 | 2020-08-07 | 苏州巨峰电气绝缘系统股份有限公司 | 一种电动汽车电机用耐atf油、耐电晕漆包线及其制备方法 |
CN111627618A (zh) * | 2020-06-18 | 2020-09-04 | 台一铜业(广州)有限公司 | 一种汽车油冷驱动电机用漆包线生产加工工艺 |
CN213583162U (zh) * | 2020-11-30 | 2021-06-29 | 浙江长城电工科技股份有限公司 | 聚酰胺酰亚胺抗电晕漆包铜圆线 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3474186A (en) * | 1967-04-13 | 1969-10-21 | Moore & Co Samuel | Electrostatically shielded wire bundle |
US3582532A (en) * | 1969-11-26 | 1971-06-01 | Walter A Plummer | Shielded jacket assembly for flat cables |
US3757029A (en) * | 1972-08-14 | 1973-09-04 | Thomas & Betts Corp | Shielded flat cable |
US4323721A (en) * | 1980-02-08 | 1982-04-06 | Belden Corporation | Electric cables with improved shielding member |
US4327246A (en) * | 1980-02-19 | 1982-04-27 | Belden Corporation | Electric cables with improved shielding members |
US4319075A (en) * | 1981-01-26 | 1982-03-09 | Amp Inc. | Sealed routing of undercarpet cable |
US4537804A (en) * | 1982-05-05 | 1985-08-27 | General Electric Company | Corona-resistant wire enamel compositions and conductors insulated therewith |
US4477693A (en) * | 1982-12-09 | 1984-10-16 | Cooper Industries, Inc. | Multiply shielded coaxial cable with very low transfer impedance |
GB8424285D0 (en) * | 1984-09-26 | 1984-10-31 | Allied Corp | Electric cables |
GB8707219D0 (en) * | 1987-03-26 | 1987-04-29 | Kt Technologies Inc | Cable shielding tape |
GB8717954D0 (en) * | 1987-07-29 | 1987-09-03 | Kt Technologies Inc | Cable shielding tape |
JPH031596U (zh) * | 1989-05-26 | 1991-01-09 | ||
US5552565A (en) * | 1995-03-31 | 1996-09-03 | Hewlett-Packard Company | Multiconductor shielded transducer cable |
US6403887B1 (en) * | 1997-12-16 | 2002-06-11 | Tensolite Company | High speed data transmission cable and method of forming same |
US6664466B2 (en) * | 2000-05-19 | 2003-12-16 | Spirent Communications Of Rockville, Inc. | Multiple shielded cable |
TW590316U (en) * | 2003-03-05 | 2004-06-01 | Je-Jia Jang | Structure for transmission cable |
JP5570227B2 (ja) * | 2010-01-06 | 2014-08-13 | キヤノン株式会社 | シールドケーブル |
US8971075B2 (en) * | 2011-02-07 | 2015-03-03 | Texas Instruments Incorporated | Method and apparatus for generating an adaptive switching frequency for operating power factor correction circuit |
MY163248A (en) * | 2012-03-07 | 2017-08-30 | Furukawa Electric Co Ltd | Insulated wire having a layer containing bubbles, electrical equipment, and method of producing insulated wire having a layer containing bubbles |
JP2015185417A (ja) * | 2014-03-25 | 2015-10-22 | 日立金属株式会社 | 巻線および巻線用塗料 |
MX2018010524A (es) * | 2016-03-31 | 2018-11-09 | Essex Group | Artículos de alambre aislado de devanado que tienen revestimientos conformados. |
CN208157100U (zh) * | 2018-06-01 | 2018-11-27 | 湖州长城异形线材有限公司 | 220级耐电晕聚酰胺酰亚胺漆包铜扁线 |
-
2021
- 2021-08-12 CN CN202110925433.8A patent/CN114464348A/zh active Pending
- 2021-10-19 TW TW110138663A patent/TWI820493B/zh active
-
2022
- 2022-08-11 US US17/885,643 patent/US11837384B2/en active Active
- 2022-08-12 EP EP22190156.4A patent/EP4134985A1/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1311578A (fr) * | 1961-12-29 | 1962-12-07 | Thomson Houston Comp Francaise | Vulcanisation des organopolysiloxanes |
CN102034570A (zh) * | 2011-01-13 | 2011-04-27 | 株洲时代电气绝缘有限责任公司 | 一种玻璃丝包耐电晕漆包扁线制备方法及产品 |
CN203397741U (zh) * | 2013-08-17 | 2014-01-15 | 赣州三进特种漆包线有限公司 | 一种纳米变频自润滑耐冷媒漆包铝线 |
CN106905703A (zh) * | 2017-03-27 | 2017-06-30 | 北京化工大学 | 一种环氧改性有机硅树脂耐高温材料的制备方法 |
CN208256331U (zh) * | 2018-04-13 | 2018-12-18 | 浙江长城电工科技股份有限公司 | 混合动力卡车驱动电机用240级芳族聚酰亚胺漆包铜圆线 |
CN111508639A (zh) * | 2020-04-14 | 2020-08-07 | 苏州巨峰电气绝缘系统股份有限公司 | 一种电动汽车电机用耐atf油、耐电晕漆包线及其制备方法 |
CN111627618A (zh) * | 2020-06-18 | 2020-09-04 | 台一铜业(广州)有限公司 | 一种汽车油冷驱动电机用漆包线生产加工工艺 |
CN213583162U (zh) * | 2020-11-30 | 2021-06-29 | 浙江长城电工科技股份有限公司 | 聚酰胺酰亚胺抗电晕漆包铜圆线 |
Non-Patent Citations (1)
Title |
---|
张玲;朱学海;姚虎卿;: "改性有机硅树脂涂料研究新进展", 现代化工, no. 2, pages 77 - 81 * |
Also Published As
Publication number | Publication date |
---|---|
EP4134985A1 (en) | 2023-02-15 |
TW202306767A (zh) | 2023-02-16 |
US11837384B2 (en) | 2023-12-05 |
TWI820493B (zh) | 2023-11-01 |
US20230047864A1 (en) | 2023-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5391365B1 (ja) | 気泡層入り絶縁電線、電気機器及び気泡層入り絶縁電線の製造方法 | |
US4760296A (en) | Corona-resistant insulation, electrical conductors covered therewith and dynamoelectric machines and transformers incorporating components of such insulated conductors | |
WO2013133334A1 (ja) | 絶縁ワイヤ、電気機器及び絶縁ワイヤの製造方法 | |
CN103999167B (zh) | 绝缘电线 | |
KR100756903B1 (ko) | 내부분 방전성 와이어 에나멜합성물 및 내부분 방전성 마그넷 와이어 | |
US20230079070A1 (en) | Atf oil and corona-resistant enameled wire for electric vehicle motor and preparation method thereof | |
EA024046B1 (ru) | Стекло для изоляционной композиции | |
EP4080525A1 (en) | Insulated wire, manufacturing method therefor, coil, and electronic and electrical equipment | |
CN115975606A (zh) | 一种单组分绝缘超高导热凝胶及其制备方法 | |
CN114464348A (zh) | 耐电晕漆包圆线及其制备方法 | |
CN113045902A (zh) | 一种耐腐蚀自固化绝缘材料及其制备方法 | |
JP2006134813A (ja) | 絶縁被覆材料及び絶縁被覆導体 | |
JP4131168B2 (ja) | 耐部分放電性絶縁塗料及び絶縁電線 | |
US20230099568A1 (en) | Insulated electrical wire and method of manufacturing insulated electrical wire | |
CN114724744B (zh) | 用于电机的耐电晕漆包线及其制备方法及扁线电机 | |
CN111002656B (zh) | 用于油浸式变压器的高耐热绝缘膜 | |
JP4924558B2 (ja) | 真空機器およびその製造方法 | |
CN110577722A (zh) | 一种混合有环氧树脂的用于空心电抗器的导热绝缘材料及其制备方法 | |
JP2013151686A (ja) | 耐部分放電性エナメル線用塗料及び耐部分放電性エナメル線 | |
WO2021256405A1 (ja) | 導体と絶縁被膜の積層体、コイル、回転電機、絶縁塗料、及び絶縁フィルム | |
LU502986B1 (en) | ATF oil and corona-resistant enameled wire for electric vehicle motor and preparation method thereof | |
US20240029923A1 (en) | Insulated wire and method for manufacturing insulated wire | |
CN114530327B (zh) | 一种Bi2212磁体绝缘结构及其制备方法 | |
JP7453998B2 (ja) | 有機金属化合物を含む絶縁体を有するマグネットワイヤ | |
CN105255110A (zh) | 一种用于电缆的耐高温、抗老化绝缘基层 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |