JPH0652349U

JPH0652349U - Rotating electric machine with winding connection insulation

Info

Publication number: JPH0652349U
Application number: JP8700192U
Authority: JP
Inventors: 隆士徳田; 昭彦高橋
Original assignee: Meidensha Corp
Current assignee: Meidensha Corp
Priority date: 1992-12-18
Filing date: 1992-12-18
Publication date: 1994-07-15

Abstract

(57)【要約】【目的】高圧固定子巻線の絶縁構造にあって、作業時
間も短く、熟練も要らず、品質のばらつきなく、全型等
のコスト高もないものを得る。【構成】マイカシートチューブ３を直列接続部に挿入
して折り曲げ、保護テープ３やスリーブ５をその上から
保護として設けたものである。 (57) [Summary] [Purpose] To obtain an insulation structure for high-voltage stator windings, which requires a short working time, does not require skill, does not have variations in quality, and does not have a high cost such as a full-scale model. [Structure] A mica sheet tube 3 is inserted into a series connection portion and bent, and a protective tape 3 and a sleeve 5 are provided as protection from above.

Description

【考案の詳細な説明】[Detailed description of the device]

【０００１】[0001]

【産業上の利用分野】[Industrial applications]

本考案は、高圧固定子巻線の直列接続部の絶縁構造を備えた回転電機に関する。 The present invention relates to a rotary electric machine provided with an insulating structure for a series connection of high-voltage stator windings.

【０００２】[0002]

【従来の技術】[Prior art]

回転電機にあって高圧固定子巻線の接続部分の絶縁構造は、図４に示すものがある。すなわち、コイルの口出線１を引き出し、その先端にて露出した導体２にテープを巻いて絶縁するものであり、この絶縁としては、マイカテープ、ガラステープ、ワニスクロステープ等を用いてテーピングするのが一般的である。また、別の方法として絶縁キャップの中にシリコン樹脂を充填して差し込む絶縁方法もある。 FIG. 4 shows an insulating structure of the connecting portion of the high voltage stator winding in the rotating electric machine. That is, the lead wire 1 of the coil is drawn out, and a tape is wound around the conductor 2 exposed at the tip of the coil to insulate it. For this insulation, mica tape, glass tape, varnish cloth tape or the like is used for taping. It is common to do. As another method, there is also an insulation method in which an insulating cap is filled with silicone resin and then inserted.

【０００３】[0003]

【考案が解決しようとする課題】[Problems to be solved by the device]

ところが、上述の従来の技術にあっては、前者のテープによる絶縁については、形状的にテーピングし難いとか絶縁個所が多いことから作業時間がかかるという問題、また、作業に熟練を要するという問題、更には、品質的にばらつきが大きいという問題がある。また、後者の絶縁キャップによる絶縁にあっては、この絶縁キャップの製作に高価な全型を要し、またサイズも多種にわたるのでコストがかかるという問題がある。 However, in the above-mentioned conventional technology, the former type of tape insulation is problematic in that it takes time to work because it is difficult to taping because of its shape or because there are many insulation points, and that it requires skill to work. Moreover, there is a problem that there is a large variation in quality. In addition, in the latter case of insulation with an insulating cap, there is a problem in that the manufacturing of this insulating cap requires an expensive whole mold, and the size is various, so it is costly.

【０００４】本考案は、上述の問題に鑑みテープによる絶縁の問題すなわち作業時間、熟練、品質のばらつきの問題を解決し、キャップによるコストの問題を除くようにした巻線接続部絶縁を備えた回転電機の提供を目的とする。In view of the above-mentioned problems, the present invention solves the problem of insulation by the tape, that is, the problem of variation in working time, skill, quality, and eliminates the cost problem by the cap. The purpose is to provide a rotating electric machine.

【０００５】[0005]

【課題を解決するための手段】上述の目的を達成する本考案は、高圧固定子巻線の直列接続部に差込まれる無機又は有機材料を基材としたマイカシートからなるチューブと、このチューブ先端を上記直列接続部に合わせて折り曲げたチューブ上に保護巻き又は保護層として形成した無機又は有機材料を基材としたテープ又は伸縮性のスリーブと、を有することを特徴とする。Means for Solving the Problems The present invention, which achieves the above-mentioned object, includes a tube made of a mica sheet having an organic or organic material as a base material, which is inserted into a series connection portion of a high-voltage stator winding, and A tape or stretchable sleeve made of an inorganic or organic material as a base material, which is formed as a protective winding or a protective layer on a tube whose tube end is bent according to the series connection portion. .

【０００６】[0006]

【作用】[Action]

マイカシートチューブによる挿入と折曲げ、更にはテーピング又はスリーブ挿入により、作業が極めて簡単となり、熟練も要さず品質のばらつきもなくなる。また、全型も不必要である。 Insertion and bending with a mica sheet tube, and taping or sleeve insertion makes the work extremely simple, requires no skill, and eliminates variations in quality. Also, the full model is unnecessary.

【０００７】[0007]

【実施例】【Example】

ここで、図１〜図３を参照して本考案の実施例を説明する。図１は高圧固定子巻線の口出線の直列接続部を示しており、図１（ａ）にあって、１ａは口出線絶縁、１ｂは導体接続部である。この直列接続部には、マイカシートチューブ３が差込まれる。このマイカシートチューブ３は、ドライ又はセミキュア集成マイカシートをすし巻き状に複数回巻き重ねたチューブであり、基材としてガラス繊維繊布、ポリエステル繊維繊布、ポリエステル不繊布、プラスチックフィルム等を用いている。直列接続部に挿入されたマイカシートチューブ３は、導体接続部１ｂの先端に合わせて折り曲げられる（図１（ｂ））。つぎに、折り曲げ部を含んだチューブ３の上から保護巻きとしてガラステープ、ポリエステルテープ、フィルムテープ等の保護テープ４を用いてテーピングする（図１（ｃ））。このテープ４もドライ又はセミキュアテープいずれでもよい。 An embodiment of the present invention will now be described with reference to FIGS. FIG. 1 shows a series connection portion of the lead wires of the high-voltage stator winding. In FIG. 1 (a), 1a is lead wire insulation, and 1b is a conductor connection portion. The mica sheet tube 3 is inserted into this series connection portion. The mica sheet tube 3 is a tube in which a dry or semi-cure laminated mica sheet is wound in a sushi roll shape a plurality of times, and glass fiber cloth, polyester fiber cloth, polyester non-woven cloth, plastic film or the like is used as a base material. The mica sheet tube 3 inserted in the series connection part is bent according to the tip of the conductor connection part 1b (FIG. 1 (b)). Next, taping is performed from above the tube 3 including the bent portion using a protective tape 4 such as a glass tape, a polyester tape, or a film tape as a protective winding (FIG. 1 (c)). This tape 4 may be either dry or semi-cure tape.

【０００８】（具体例） (1) 片ガラス集成マイカシートを３回巻いた内径１０mmのチューブを直列接続部に差し込んで、直列接続部の先端部で折り曲げた。 (2) 差し込んだチューブの上から、折り曲げ部を含めて、ポリエステルテープを用いて、テーピングし、保護巻きとした。 (3) その後、全体含浸方式でエポキシ系樹脂を含浸硬化させて固定子巻線を完成させた。（比較例）具体例にて用いたチューブの代りに、片ガラス集成マイカテープをハーフラップで２回テーピングし、その他は具体例と同じとした。（結果） (1) 図３に絶縁破壊試験結果を示す。比較例に比べて具体例はばらつきが小さいのが判る。 (2) 作業時間は、比較例に比べて１／２に短縮された。(Specific Example) (1) A tube having an inner diameter of 10 mm, in which a single glass laminated mica sheet was wound three times, was inserted into a series connection portion and bent at the tip of the series connection portion. (2) From the top of the inserted tube, including the bent portion, taping was performed using polyester tape to form a protective winding. (3) After that, the stator winding was completed by impregnating and curing the epoxy resin by the whole impregnation method. (Comparative Example) Instead of the tube used in the specific example, a single glass laminated mica tape was tapped twice with a half-lap, and other conditions were the same as the specific example. (Results) (1) Fig. 3 shows the results of the dielectric breakdown test. It can be seen that the concrete example has less variation than the comparative example. (2) The working time was reduced to 1/2 as compared with the comparative example.

【０００９】図２は本考案の他の実施例を示す。図２（ａ）に示す直列接続部に集成マイカシートチューブ３を差込み、折曲げるのは図１（ａ）（ｂ）に示す前述の実施例と同じである。つぎに、図２（ｂ）に示すように折曲げ部分を含むチューブ３の上から有機又は無機材料からなる伸縮性（加熱収縮性）の絶縁スリーブ５をかぶせて、トライヤ等で加熱成形し、保護層を形成する。FIG. 2 shows another embodiment of the present invention. Inserting and bending the assembled mica sheet tube 3 into the series connection portion shown in FIG. 2 (a) is the same as the above-described embodiment shown in FIG. 1 (a) (b). Next, as shown in FIG. 2 (b), a stretchable (heat-shrinkable) insulating sleeve 5 made of an organic or inorganic material is covered on the tube 3 including the bent portion, and heat-molded by a tryer or the like. Then, a protective layer is formed.

【００１０】（具体例） (1) 片ガラス集成マイカシートを３回巻いた内径１０mmのチューブを直列接続部に差し込んで、直列接続部の先端部で折り曲げた。 (2) 差し込んだチューブの上から、ポリエステル繊維から成る伸縮性の絶縁スリーブをかぶせて保護層を形成した。 (3) その後、全体含浸方式でエポキシ系樹脂を含浸硬化させて固定子巻線を完成させた。（比較例）具体例にて、チューブの代りに、片ガラス集成マイカテープをハーフラップで２回テーピングし、その他は具体例と同じとした。（結果） (1) 前述の実施例に係る具体例の結果である図３と略同様の結果が得られ、ばらつきが小さい。 (2) 作業時間は前述の実施例のもとの同様比較例に比べて１／２に短縮できた。(Specific Example) (1) A tube having an inner diameter of 10 mm, in which a single glass laminated mica sheet was wound three times, was inserted into a series connection portion and bent at the tip of the series connection portion. (2) A protective layer was formed by covering the inserted tube with a stretchable insulating sleeve made of polyester fiber. (3) After that, the stator winding was completed by impregnating and curing the epoxy resin by the whole impregnation method. (Comparative Example) In the specific example, instead of the tube, a single glass laminated mica tape was tapped twice with a half lap, and the other conditions were the same as the specific example. (Results) (1) A result similar to that of FIG. 3 which is a result of the specific example according to the above-described embodiment is obtained, and the variation is small. (2) The working time was shortened to 1/2 as compared with the comparative example, which is the same as the above-mentioned example.

【００１１】[0011]

【考案の効果】[Effect of device]

以上説明したように本考案によれば、作業時間が約１／２に短縮され、また絶縁破壊値のばらつきが小さく品質的に安定し、作業に熟練も要さない。全型も不必要となり低コスト化が図れる。 As described above, according to the present invention, the working time is reduced to about 1/2, the variation in the insulation fracture value is small, the quality is stable, and the work does not require skill. All types are unnecessary, and cost can be reduced.

【図面の簡単な説明】[Brief description of drawings]

【図１】一実施例の説明図。FIG. 1 is an explanatory diagram of an embodiment.

【図２】他の実施例の説明図。FIG. 2 is an explanatory diagram of another embodiment.

【図３】具体例と比較例との比較図。FIG. 3 is a comparative diagram of a specific example and a comparative example.

【図４】従来の説明図。FIG. 4 is a conventional explanatory view.

【符号の説明】[Explanation of symbols]

１口出線１ａ導体接続部１ｂ口出線絶縁３マイカシートチューブ４保護巻テープ５伸縮性スリーブ 1 Lead wire 1a Conductor connection part 1b Lead wire insulation 3 Mica sheet tube 4 Protective tape 5 Stretchable sleeve

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

【請求項１】高圧固定子巻線の直列接続部に差込まれ
る無機又は有機材料を基材としたマイカシートからなる
チューブと、このチューブ先端を上記直列接続部に合わせて折り曲げ
たチューブ上に保護巻き又は保護層として形成した無機
又は有機材料を基材としたテープ又は伸縮性のスリーブ
と、を有する巻線接続部絶縁を備えた回転電機。1. A tube made of a mica sheet having an inorganic or organic material as a base material, which is inserted into a series connection portion of a high-voltage stator winding, and a tube whose tip is bent according to the series connection portion. A rotary electric machine provided with a winding connection portion insulation having a tape or a stretchable sleeve made of an inorganic or organic material as a base material formed as a protective winding or a protective layer.