WO2003030334A1 - Materiau isolant pour bobinage de dispositif electrique et caniveau d'encoche de machine electrique tournante - Google Patents
Materiau isolant pour bobinage de dispositif electrique et caniveau d'encoche de machine electrique tournanteInfo
- Publication number
- WO2003030334A1 WO2003030334A1 PCT/JP2002/009877 JP0209877W WO03030334A1 WO 2003030334 A1 WO2003030334 A1 WO 2003030334A1 JP 0209877 W JP0209877 W JP 0209877W WO 03030334 A1 WO03030334 A1 WO 03030334A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- insulating
- slot liner
- core
- slot
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
Definitions
- the present invention relates to an insulating material used for a coil of an electric device, and more particularly to an insulating material used for a coil of an electric device, which is disposed in a slot of a core of an electric motor and has a core.
- the present invention relates to a configuration of a slot liner for performing insulation between a coil conductor and a coil conductor.
- a rotating electric machine such as a motor or a generator belonging to an electric device has a core having a plurality of arranged teeth, and a coil conductor is arranged in a space between the teeth, that is, a slot.
- a sheet-like insulating material called a slot liner is placed between them.
- the insulating material In a rotating electrical machine or the like used in a high-temperature environment, the insulating material also needs to have sufficient heat resistance.
- a material using My power As such an insulating material, a material using My power is known.
- my power used as insulation: fine flakes and flakes from mica stone.
- the flake-like My power that is solidified with resin is called the glued My power, and the one that combines several My powers that have been peeled off from the mica stone is called the Peeled My power.
- the heat resistance of the resin connecting the strips of the My strength may not be sufficient.
- the material since the material is fragile, holes may be formed during manufacturing, or the holes may become clear due to vibrations caused by the use of a rotating electric machine and dielectric breakdown may occur.
- insulating materials using peeling force are weak against bending, and may break when placed in a slot and cause dielectric breakdown. It is also expensive.
- sheet-shaped insulating materials using my force are vulnerable to bending and the like, and in particular, there is a problem that the coil is likely to be damaged by receiving a load during molding of the portion protruding from the core end, the so-called coil end. Was.
- a sheet of a material having relatively high mechanical strength, such as resin, of the same size as the insulating material is laminated on the insulating material using My force.
- a slot liner was configured. The above-mentioned reinforcing resin layer of the slot liner is interposed between the coil and the core, and in a high temperature condition, the resin expands and peels off from the core due to deformation, and the heat generated by the coil is transmitted to the core. Hindered the heat dissipation of the coil.
- the present invention has been made in consideration of the above-mentioned problems, and has as its object to improve the heat resistance, strength, and the like of an insulating material for a coil of an electric device. Another object of the present invention is to secure the strength of the slot liner of the rotating electric machine, prevent dielectric breakdown, and improve the heat dissipation of the coil.
- an insulating material of the present invention which is disposed between a core and a coil of an electric device, includes a peeling strength insulating sheet having peeling strength as a base material, and a laminated mica base material. And at least one sheet of laminated my-force insulating sheet. The insulation performance is improved by compensating for the respective disadvantages of the insulating sheets of peeling strength and integral strength.
- a slot liner that is disposed in a slot of a core of a rotating electric machine and is accommodated in the slot, and insulates the core from the coil conductor. At least one piece of the peeled my-force insulating sheet and the laminated my-force insulating sheet having the my-glued strength as a base material can be formed by being laminated.
- one peeled my-force insulating sheet can be laminated so as to be sandwiched between two assembled my-force insulating sheets.
- the reinforcing sheets are arranged separately from each other. That is, the reinforcing sheet is disposed near the end of the main insulating sheet that extends in the axial direction of the rotating electric machine in the slot and insulates the coil and the core.
- the reinforcing sheet reinforces the main insulating sheet near the core end, and secures insulation by receiving a part of the load received from the coil by the main insulating sheet, for example, during coil end processing.
- FIG. 1 is a diagram showing a configuration of a motor as an example of an electric device in a stationary state.
- FIG. 2 is a diagram showing an arrangement of slot liners in a slot.
- FIG. 3 is a diagram showing an example of a cross-sectional configuration of an insulating sheet constituting a slot liner.
- FIG. 4 is a diagram showing an example of a cross-sectional configuration of an insulating sheet constituting a slot liner.
- FIG. 5 is a schematic sectional view including the axis of the stay core.
- FIG. 6 is a perspective view showing another example of the reinforcing sheet.
- FIG. 1 is a cross-sectional view of a rotating electric machine such as a motor or a generator.
- the core 10 of the stay has a substantially cylindrical shape, and teeth 12 are arranged at predetermined intervals in a circumferential direction on an inner periphery thereof, that is, a surface facing the mouth.
- a conductor 16 forming a coil is arranged to be accommodated.
- FIG. 2 is an enlarged view of one slot 14.
- a slot liner as insulation between the coil conductor 16 and the core 10 along the inner circumference of the slot 18 are located.
- the slot liner 18 is composed of three layers, and is hereinafter referred to as an inner layer 20, a middle layer 22, and an outer layer 24 from the inside.
- the inner layer 20 and the outer layer 24 are made of a laminated my-force insulating sheet made of laminated mica
- the middle layer 22 is made of a peeled my-force insulating sheet made of peeling my force as a base.
- the thickness of the slot liner 18 is emphasized rather than its actual size in order to clearly show the configuration.
- An edge 25 is arranged at the opening of the slot 14.
- the laminated my-force insulation sheet is formed by laminating a base sheet 26 in which flake-shaped my-force is connected with resin and a glass cloth sheet 28 woven with glass fibers. I have. Further, as shown in FIG. 4, the base sheet 26 having the above-mentioned laminated strength can be sandwiched between two glass cloth sheets and laminated.
- the middle layer 22 sandwiched between the inner layer 20 and the outer layer 24 is made of a peeled mica substrate insulating sheet having a peeling force as a base material.
- the peeling my strength insulating sheet can also have a two- or three-layer structure composed of a base sheet and a glass cloth sheet having peeling my strength.
- My strength insulation sheet is flexible and has good workability. On the other hand, the withstand voltage is relatively low. Peeling My strength insulation sheets have high withstand voltage values, but are easily broken when bent. Also, in terms of price, the peeling my strength insulation sheet is more expensive.
- the peeled my-force insulation sheet when the peeled my-force insulation sheet is sandwiched between two laminated my-force insulation sheets to form a three-layer structure, it is inserted into the slot as a slot liner. Workability is improved.
- the my-strength insulating sheet which is easily broken, is sandwiched between the my-strength insulating sheets having relatively high mechanical strength, so that when these insulating sheets are bent, the my-strength insulating sheet peels off. To prevent stress concentration and breakage.
- FIG. 5 is a cross-sectional view of the motor stay viewed from a direction perpendicular to the axis.
- the slot liner 18 extends in the axial direction of the electric motor, has a length longer than the core 10, and both ends protrude from the core end face 30.
- the slot liner 18 also includes a main insulating sheet 32 composed of the three-layered my-force insulating sheet, extending over the entire length thereof, and a reinforcing sheet 34 disposed only at both ends. As shown in the figure, one reinforcing sheet 34 is placed outside the main insulating sheet 32 at the position of the core end face 30 and at the left and right positions. That is, it is interposed between the main insulating sheet 32 and the core 10. After the coil is formed, the coil end 38 of the coil 36 housed in the core, which is protruded from the core end face, is formed so as to be bent outward in the radial direction of the rotating electric machine as shown in the figure.
- the portion protruding from the core end face 30 of the slot liner 18 is pressed, and a bending load is generated.
- high stress is generated at the corners of the core end face 30.
- the reinforcing sheet 34 disperses this stress and reduces the stress generated in the main insulating sheet 32. This prevents damage to the mechanically weak insulating sheet made of my strength and ensures insulation.
- the reinforcing sheets 34 are made of polyimide resin.
- the heat resistance of polyimide resin is extremely high.
- Kapton registered trademark manufactured by DuPont has a heat resistance of about 400 ° C. Since it has such high heat resistance, it does not carbonize even in a high-temperature environment, and can secure insulation.
- the reinforcing sheet 34 does not exist in portions other than the both ends of the slot liner 18. Therefore, the heat generated by the current flowing through the conductor of the coil is transmitted to the core 10 without passing through the reinforcing sheet 34. In other words, the reinforcing sheet 34 does not hinder the heat transfer in the central portion of the core, and has high heat radiation characteristics. Further, the polyimide resin does not carbonize at 400 ° C., but shrinks at a temperature higher than 400 ° C. If the adhesion between the core and the reinforcing sheet is reduced by this shrinkage, there is a problem that heat transfer is hindered. From this viewpoint, the reinforcing sheet 34 is disposed only at the end of the slot liner 18. In other words, even if the reinforcing sheet shrinks, if it is arranged only at both ends, heat transfer at the central portion is not hindered, and heat dissipation is ensured.
- FIG. 6 is a diagram showing another configuration of the end of the slot liner.
- Main insulation sheet 4 0 Has a configuration similar to that of the main insulating sheet 28 described above.
- Reinforcing sheets 42 are arranged at both end portions of the main insulating sheet 40, that is, near the core end surface. The reinforcing sheet 42 is bent, and the fold at this time is arranged along the edge of the main insulating sheet 40, thereby being arranged so as to cover the end of the main insulating sheet 40. Thereby, the end of the main insulating sheet 40 can be reinforced more strongly.
- the slot liner of the present embodiment is particularly suitable for use in a high-temperature environment, for example, for a stay of a motor of a canned pump for handling a high-temperature fluid. Can also be used. Further, in the present embodiment, a configuration is described in which a slot liner is formed by laminating two types of my force insulating sheets, and a reinforcing sheet is disposed only near both ends thereof, but only one of them is employed. It is also possible to adopt a configuration that has been described. That is, it is possible to separately adopt a configuration in which a slot liner is formed by stacking two types of my force insulating sheets, and a configuration in which reinforcing sheets are arranged only near both ends of the slot liner.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02768065A EP1432100B1 (en) | 2001-09-28 | 2002-09-25 | Insulating member for electric machine coil and use thereof as a slot liner of rotating electric machine |
US10/363,725 US7015396B2 (en) | 2001-09-28 | 2002-09-25 | Insulation material for electrical machines |
KR1020047003097A KR100799234B1 (ko) | 2001-09-28 | 2002-09-25 | 전기기기 코일의 절연재 및 회전전기의 슬롯 라이너 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-299926 | 2001-09-28 | ||
JP2001299944A JP2003111328A (ja) | 2001-09-28 | 2001-09-28 | 回転電機のスロットライナ |
JP2001299926A JP4173300B2 (ja) | 2001-09-28 | 2001-09-28 | 電気機器コイルの絶縁材 |
JP2001-299944 | 2001-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003030334A1 true WO2003030334A1 (fr) | 2003-04-10 |
Family
ID=26623248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/009877 WO2003030334A1 (fr) | 2001-09-28 | 2002-09-25 | Materiau isolant pour bobinage de dispositif electrique et caniveau d'encoche de machine electrique tournante |
Country Status (6)
Country | Link |
---|---|
US (1) | US7015396B2 (ja) |
EP (2) | EP1432100B1 (ja) |
KR (1) | KR100799234B1 (ja) |
CN (1) | CN1302600C (ja) |
TW (1) | TW569251B (ja) |
WO (1) | WO2003030334A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102122873A (zh) * | 2010-12-18 | 2011-07-13 | 无锡华天电气科技有限公司 | 一种他励直流电机主极 |
CN102651581A (zh) * | 2011-02-28 | 2012-08-29 | 精工爱普生株式会社 | 机电装置、移动体及自动机械 |
GB2518049A (en) * | 2013-08-02 | 2015-03-11 | Ge Aviat Systems | Electric machine with a slot liner |
TWI790182B (zh) * | 2021-11-25 | 2023-01-11 | 日商日機裝股份有限公司 | 槽襯及旋轉電機 |
Families Citing this family (20)
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JP4696855B2 (ja) * | 2005-11-02 | 2011-06-08 | 株式会社デンソー | 燃料ポンプ |
PL2958395T3 (pl) | 2007-01-30 | 2018-05-30 | Interdigital Technology Corporation | Domniemana kontrola regulacji długości cyklu DRX w aktywnym trybie LTE |
US8664817B2 (en) * | 2010-09-13 | 2014-03-04 | Baker Hughes Incorporated | Electrical submersible pump system having high temperature insulation materials and buffered lubricant |
US10406791B2 (en) * | 2011-05-12 | 2019-09-10 | Elantas Pdg, Inc. | Composite insulating film |
US20130156071A1 (en) * | 2011-12-16 | 2013-06-20 | Remy Technologies, Llc | Electric Machine Including Insulated Slot Liner With Temperature Sensor |
JP5861616B2 (ja) * | 2012-11-14 | 2016-02-16 | トヨタ自動車株式会社 | スロット絶縁紙 |
US9419489B2 (en) * | 2013-07-31 | 2016-08-16 | General Electric Company | Slot liner for an electric machine |
DE102014212119A1 (de) | 2014-06-24 | 2015-12-24 | Schaeffler Technologies AG & Co. KG | Anordnung zur elektrischen Isolation einer Spulenwicklung |
CN110205099A (zh) * | 2014-08-12 | 2019-09-06 | Agc株式会社 | 热循环系统 |
US9667112B2 (en) | 2014-08-28 | 2017-05-30 | General Electric Company | Rotor slot liners |
US9641037B2 (en) | 2014-08-28 | 2017-05-02 | General Electric Company | Stator slot liners |
JP5987940B2 (ja) * | 2015-03-05 | 2016-09-07 | ソニー株式会社 | モータ、アクチュエータ及び医療用支持アーム装置 |
US10062481B2 (en) | 2015-07-27 | 2018-08-28 | General Electric Company | Electrical conductor insulation system and method of fabrication |
DE102016203664A1 (de) | 2016-03-07 | 2017-09-07 | Volkswagen Aktiengesellschaft | Stator einer elektrischen Maschine |
KR101705527B1 (ko) | 2016-06-27 | 2017-02-10 | 김성수 | 발전기 회전자의 인슐레이터 제조 방법 및 이에 의해 제조된 인슐레이터 |
KR101705526B1 (ko) | 2016-06-27 | 2017-02-10 | 김성수 | 발전기 회전자용 슬롯 아모아 제조 방법 및 이에 의해 제조된 슬롯 아모아 |
CN106411015B (zh) * | 2016-12-07 | 2019-01-25 | 大连威克特工贸有限公司 | 深冷工况下的电机绝缘结构 |
JP6489175B2 (ja) * | 2017-08-22 | 2019-03-27 | ダイキン工業株式会社 | 固定子、この固定子を備えるモータ、このモータを備える圧縮機、及びこの圧縮機を備える空気調和機 |
CN110086281A (zh) * | 2019-06-13 | 2019-08-02 | 珠海格力节能环保制冷技术研究中心有限公司 | 一种具有槽绝缘结构的定子、电机和空调器 |
DE102021103062A1 (de) * | 2021-02-10 | 2022-08-11 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Stator |
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GB852150A (en) | 1957-09-24 | 1960-10-26 | Licentia Gmbh | An electrically insulated conductor such as used for windings of dynamo-electric machines |
JPS50153300A (ja) * | 1974-05-31 | 1975-12-10 | ||
US4103987A (en) | 1974-11-29 | 1978-08-01 | Siemens Aktiengesellschaft | Device for connecting two groups of glass fibers |
JPS5425498A (en) * | 1977-07-28 | 1979-02-26 | Hitachi Chemical Co Ltd | Mica prepreg material |
JPH10210694A (ja) * | 1997-01-17 | 1998-08-07 | Toyo Electric Mfg Co Ltd | 回転電機の絶縁線輪 |
JPH1118343A (ja) * | 1997-06-24 | 1999-01-22 | Fuji Electric Co Ltd | 回転電気機械用の電機子コイル |
JP2000287401A (ja) * | 1999-03-29 | 2000-10-13 | Fuji Electric Co Ltd | 高圧回転機の固定子コイル |
JP2001231206A (ja) * | 2000-02-16 | 2001-08-24 | Hitachi Ltd | 高電圧回転電気機器の固定子 |
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GB996901A (en) * | 1960-09-19 | 1965-06-30 | Ass Elect Ind | Improved method of insulating electric conductors |
US3710437A (en) * | 1970-08-05 | 1973-01-16 | Westinghouse Electric Corp | Method of preparing insulated coil in slotted core |
US4160926A (en) * | 1975-06-20 | 1979-07-10 | The Epoxylite Corporation | Materials and impregnating compositions for insulating electric machines |
US4013987A (en) * | 1975-08-22 | 1977-03-22 | Westinghouse Electric Corporation | Mica tape binder |
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JP3201262B2 (ja) * | 1996-05-30 | 2001-08-20 | 株式会社日立製作所 | 熱硬化性樹脂組成物,電機絶縁線輪,回転電機及びその製造方法 |
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-
2002
- 2002-09-25 KR KR1020047003097A patent/KR100799234B1/ko active IP Right Grant
- 2002-09-25 US US10/363,725 patent/US7015396B2/en not_active Expired - Lifetime
- 2002-09-25 EP EP02768065A patent/EP1432100B1/en not_active Expired - Lifetime
- 2002-09-25 CN CNB028161882A patent/CN1302600C/zh not_active Expired - Lifetime
- 2002-09-25 EP EP08168747A patent/EP2031734B1/en not_active Expired - Lifetime
- 2002-09-25 WO PCT/JP2002/009877 patent/WO2003030334A1/ja active Application Filing
- 2002-09-27 TW TW091122305A patent/TW569251B/zh not_active IP Right Cessation
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GB852150A (en) | 1957-09-24 | 1960-10-26 | Licentia Gmbh | An electrically insulated conductor such as used for windings of dynamo-electric machines |
JPS50153300A (ja) * | 1974-05-31 | 1975-12-10 | ||
US4103987A (en) | 1974-11-29 | 1978-08-01 | Siemens Aktiengesellschaft | Device for connecting two groups of glass fibers |
JPS5425498A (en) * | 1977-07-28 | 1979-02-26 | Hitachi Chemical Co Ltd | Mica prepreg material |
JPH10210694A (ja) * | 1997-01-17 | 1998-08-07 | Toyo Electric Mfg Co Ltd | 回転電機の絶縁線輪 |
JPH1118343A (ja) * | 1997-06-24 | 1999-01-22 | Fuji Electric Co Ltd | 回転電気機械用の電機子コイル |
JP2000287401A (ja) * | 1999-03-29 | 2000-10-13 | Fuji Electric Co Ltd | 高圧回転機の固定子コイル |
JP2001231206A (ja) * | 2000-02-16 | 2001-08-24 | Hitachi Ltd | 高電圧回転電気機器の固定子 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102122873A (zh) * | 2010-12-18 | 2011-07-13 | 无锡华天电气科技有限公司 | 一种他励直流电机主极 |
CN102122873B (zh) * | 2010-12-18 | 2012-08-29 | 中电电机股份有限公司 | 一种他励直流电机主极 |
CN102651581A (zh) * | 2011-02-28 | 2012-08-29 | 精工爱普生株式会社 | 机电装置、移动体及自动机械 |
GB2518049A (en) * | 2013-08-02 | 2015-03-11 | Ge Aviat Systems | Electric machine with a slot liner |
GB2518049B (en) * | 2013-08-02 | 2016-06-29 | Ge Aviation Systems | Electric machine with a slot liner |
TWI790182B (zh) * | 2021-11-25 | 2023-01-11 | 日商日機裝股份有限公司 | 槽襯及旋轉電機 |
Also Published As
Publication number | Publication date |
---|---|
CN1302600C (zh) | 2007-02-28 |
EP2031734A3 (en) | 2011-04-06 |
US20050101695A1 (en) | 2005-05-12 |
EP1432100A4 (en) | 2008-02-27 |
TW569251B (en) | 2004-01-01 |
EP2031734A2 (en) | 2009-03-04 |
EP2031734B1 (en) | 2013-03-20 |
EP1432100A1 (en) | 2004-06-23 |
KR100799234B1 (ko) | 2008-01-29 |
CN1543699A (zh) | 2004-11-03 |
EP1432100B1 (en) | 2012-02-29 |
KR20040035748A (ko) | 2004-04-29 |
US7015396B2 (en) | 2006-03-21 |
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Legal Events
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