JPS60148358A - Manufacture of stator of induction motor - Google Patents
Manufacture of stator of induction motorInfo
- Publication number
- JPS60148358A JPS60148358A JP154884A JP154884A JPS60148358A JP S60148358 A JPS60148358 A JP S60148358A JP 154884 A JP154884 A JP 154884A JP 154884 A JP154884 A JP 154884A JP S60148358 A JPS60148358 A JP S60148358A
- Authority
- JP
- Japan
- Prior art keywords
- stator
- magnetic pole
- magnetic
- poles
- pole
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Induction Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は複数の固定子磁極を備え、この固定子磁極を固
定子ヨークに結合する構成の誘導電動機の固定子の製造
法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for manufacturing a stator for an induction motor having a plurality of stator magnetic poles, the stator magnetic poles being coupled to a stator yoke.
従来例の構成とその問題点
一般に誘導電動機の固定子は第１図に示すように四角枠
形状をした固定子ヨーク１と、この固定子ヨーク１の内
側部より内方に突出し、先嬬部に回転子（図示せず）に
対応するボールシュー２ａ。Conventional Structure and Problems In general, the stator of an induction motor has a stator yoke 1 having a rectangular frame shape as shown in FIG. A ball shoe 2a corresponding to a rotor (not shown).
２ｂ 、２Ｃ，２ｄを有する複数の固定磁極３ａ。A plurality of fixed magnetic poles 3a having 2b, 2C, and 2d.
３ｂ、３ｃ、３ｄと、前記各固定磁極ｓａ、３ｂ。3b, 3c, 3d, and each of the fixed magnetic poles sa, 3b.
３ｃ、３ｄに巻かれた固定予巻？Ｑ ４ ａ、 ４ ｂ
＋４Ｃ２４ｄより構成されている。また、各固定磁極
３ａ 、３ｂ 、３Ｃ，３，ｄの隣接するもの同志は、
漏れ磁束を低減するために、そのボールシュー２ａ、２
ｂ、２ｃ、２ａ間に空［５ａ 、５ｂ 、５ｃ。Fixed pre-winding wound on 3c and 3d? Q 4 a, 4 b
It is composed of +4C24d. Also, the adjacent fixed magnetic poles 3a, 3b, 3C, 3, d are as follows:
In order to reduce leakage magnetic flux, the ball shoes 2a, 2
There is a space between b, 2c, and 2a [5a, 5b, 5c.
５ｄをもたぜている。It has 5d.
ところで、このような構成のものは、各−・１定子磁極
３ａ 、３ｂ 、３ｃ 、３ｃｉにそれぞれ固定子−巻
線４ａ 、４ｂ 、４Ｃ，４ｄを巻装したのち、各固定
子磁極３ａ 、３ｂ 、３ｃ 、３ｄを固定子ヨーク１
の内側に形成した結合用の凹部に嵌めて結合し２ていた
ものであり、複数の固定子磁極３ａ 、ｓｂ 。By the way, in such a structure, after winding the stator windings 4a, 4b, 4C, 4d around each stator magnetic pole 3a, 3b, 3c, 3ci, each stator magnetic pole 3a, 3b , 3c, 3d as stator yoke 1
A plurality of stator magnetic poles 3a, sb are connected by fitting into a recess for connection formed inside the stator magnetic poles 3a, sb.
３’ｃ、ｓｄを順次に固定子ヨーり１に結合しなければ
ならないだめ組立が容易でなく、寸だ、各ボールシュ
２ａ 、２ｂ 、２ｃ 、２ｃｌで形成する回転子嵌入
孔６の精度が出しにぐい。3'c and sd must be connected to stator yaw 1 in sequence, so assembly is not easy, and it is difficult to assemble each ball shaft.
The accuracy of the rotor insertion hole 6 formed by 2a, 2b, 2c, and 2cl is difficult to achieve.
一方、複数の固定子磁極３ａ 、３ｂ 、３ｃ 、３ｄ
をそのポールシュ一部２ａ 、２ｂ 、２ｃ 、２ｄの
隣接するもの同志で連結して一体化されたものにすると
、複数の固定子磁極３ ａ 、 ３ ｂ 、 ３ ｃ、
３ｄを固定子ヨーク１に組み立てやすいが、隣接する磁
極の相互間の漏れ磁束が大きくなり、効率を低下すると
いう問題がある。On the other hand, a plurality of stator magnetic poles 3a, 3b, 3c, 3d
When the adjacent poles 2a, 2b, 2c, 2d are connected to form an integrated structure, a plurality of stator magnetic poles 3a, 3b, 3c,
3d is easy to assemble into the stator yoke 1, but there is a problem in that leakage magnetic flux between adjacent magnetic poles becomes large, reducing efficiency.
発明の目的
本発明は前記従来の問題に留意し、組立性がよく、しか
も磁極間の漏れ磁束が小さい構成の固定子の製造法を実
現することを目的とするものである０
発明の構成
前記目的を達成するため、本発明は複数の鉄心板を積層
ｉ〜、その一部の鉄心板は複数の磁極片が隣接の磁、極
片とボールシ、一部において連結し、他の鉄心板は各磁
極片が独立した構成の複数磁極連結体を構成し、この複
数磁極連結体の各磁極にまず固定子巻線を巻装し、その
後に複数磁極連結体の各磁極を固定子ヨークに結合し、
前記複数磁極連結体を固定ヨークに連結した状態におい
て、複数磁極連結体の一部の鉄心板の磁極片を連結する
部分を切断して磁気抵抗用の空隙を形成する誘導電動機
の固定子の製造法であり、複数の磁極を有し、かつ、隣
接の磁極相互間に磁気抵抗用の空隙をもつ構成の固定子
を作りやすく、かつ、精度よく組立てできるものである
。OBJECTS OF THE INVENTION The present invention takes into account the above-mentioned conventional problems, and aims to realize a method for manufacturing a stator having a structure that is easy to assemble and has a small leakage flux between magnetic poles. In order to achieve the object, the present invention has a plurality of core plates laminated i~, some of the core plates have a plurality of magnetic pole pieces connected to adjacent magnetic poles, the pole pieces and the balls are connected in some parts, and the other core plates are Each magnetic pole piece constitutes a multi-pole assembly with an independent structure, and each magnetic pole of this multi-pole assembly is first wound with a stator winding, and then each magnetic pole of the multi-pole assembly is coupled to a stator yoke. death,
Manufacturing a stator for an induction motor, in which, in a state in which the multi-magnetic pole coupling body is connected to a fixed yoke, a part of a part of the iron core plate of the multi-magnetic pole coupling body that connects the magnetic pole pieces is cut to form a gap for magnetic resistance. This method allows a stator having a plurality of magnetic poles and a magnetic resistance gap between adjacent magnetic poles to be easily manufactured and assembled with high precision.
実施例の説明
以下本発明の一実施例を第２図〜第４図にもとづき説明
する。DESCRIPTION OF THE EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 2 to 4.
第２図において７は四角枠状に形成され、かつ、各辺の
内側にそれぞれ磁極結合用の凹部８ａ。In FIG. 2, 7 is formed in the shape of a square frame, and has recesses 8a for magnetic pole coupling inside each side.
ｓｂ、ｓｃ、ｓｄを有する固定子ヨーク、９は４個の磁
極１０ａ 、１０ｂ 、１０ｃ 、１０ｄが連結された
複数磁極連結体であり、その中央には回転子嵌入孔を有
している。さらに詳しく説明すると、前記複数磁極連結
体９は複数の鉄心板９−１，９−２・・・・・・９−ｎ
を積層して形成されており、各鉄心板９−１・・・・・
・９−ｎのうち、内外側の鉄心板９〜１と９−ｎのみが
各磁極片１０ａ’ 、 １ ｏｂ’ 、 １０ｃ’ 。The stator yoke 9 having sb, sc, and sd is a multi-magnetic pole assembly in which four magnetic poles 10a, 10b, 10c, and 10d are connected, and has a rotor insertion hole in the center thereof. To explain in more detail, the plural magnetic pole coupling body 9 includes a plurality of iron core plates 9-1, 9-2...9-n.
Each iron core plate 9-1...
- Among 9-n, only the inner and outer core plates 9 to 1 and 9-n have magnetic pole pieces 10a', 1ob', and 10c'.
１０ｄ′の端部のポールシュ一部１１ａ、１１ｂ。10d' end paulsh portions 11a, 11b.
１１Ｃ，１１ｄにおいて隣接の磁極片と連結されてり、
他の鉄心板９−２・・・・・・９−ｍはポールシュ一部
が隣接のものと連結されずに磁気抵抗用の空隙１２を形
成し、すなわち、鉄心板９−２〜９−ｍにおける４個の
磁極片は磁気回路的には独立し、機械的には一体化され
ている（第３図を参照）０前記構成の複数磁極連結体９
の放射状に突出する４個の磁極１０ａ、１０ｂ、１０ｃ
、１０ｄに自由端側より固定子巻線１３ａ 、１３ｂ
、１３ｃ 、１３ｄをはめ込み、その後に４個の磁極１
０ａ、１０ｂ。Connected to adjacent magnetic pole pieces at 11C and 11d,
The other iron core plates 9-2...9-m have a part of the poles not connected to the adjacent one to form a magnetic resistance gap 12, that is, the iron core plates 9-2 to 9-m The four magnetic pole pieces are independent in terms of magnetic circuit and mechanically integrated (see Fig. 3).
Four radially protruding magnetic poles 10a, 10b, 10c
, 10d from the free end side of the stator windings 13a, 13b.
, 13c, 13d, and then the four magnetic poles 1
0a, 10b.
１０ｃ、１０ｄの自由端を固定子ヨーク７の磁極結合用
の凹部９ａ 、ｓｂ 、ａｃ 、ｓｄに嵌め込んで複数
磁極連結体９と固定子ヨーク７を結合する。The free ends of the magnetic poles 10c and 10d are fitted into the magnetic pole coupling recesses 9a, sb, ac, and sd of the stator yoke 7 to couple the multi-magnetic pole coupling body 9 and the stator yoke 7.
この複数磁極連結体９と固定子ヨーク７を結合した状態
において、前記複数磁極連結体９０両側の鉄心板９−１
．９−ｎにおけるポールシュ一部１１ａ、１１ｂ、１１
Ｃ９１１ｄの連結部を第４図に示すように切り離し、か
つ、磁気抵抗用の空隙を形成する。In the state where the multi-magnetic pole coupling body 9 and the stator yoke 7 are coupled, the iron core plates 9-1 on both sides of the multi-magnetic pole coupling body 90
．． Poulsch parts 11a, 11b, 11 in 9-n
The connecting portion of C911d is separated as shown in FIG. 4, and a gap for magnetic resistance is formed.
上記の固定子の製造法によれば、複数磁極連結体９を固
定子ヨーク７に結合することから、個々に４個の磁極を
固定子ヨークに結合する方法に比し作業性がよく、シか
も回転子嵌入孔の精度が出しやすい。また、各磁極１０
ａ、１０ｂ、１０ｃ。According to the stator manufacturing method described above, since the multi-magnetic pole connector 9 is coupled to the stator yoke 7, the workability is better than the method of individually coupling four magnetic poles to the stator yoke. It is easy to achieve precision in the rotor insertion hole. In addition, each magnetic pole 10
a, 10b, 10c.
１０ｄの隣接のものの相互間に形成する磁気抵抗用の空
隙１２は、両側の鉄心板９−１と９−ｎを除いてあらか
じめ形成されており、最終的に前記両側の鉄心板９−１
，９−ｎにおける連結部を切断すればよいので、その切
断が行い易い。このように、この実施例の固定子の製造
方法によれば、漏れ磁束の少い構成の同定子の組立が容
易であり、しかも精度よく組立できる。The magnetic resistance gap 12 formed between adjacent ones of 10d is formed in advance except for the iron core plates 9-1 and 9-n on both sides, and finally the iron core plates 9-1 on both sides
, 9-n, the cutting is easy. As described above, according to the stator manufacturing method of this embodiment, it is easy to assemble an identifier having a structure with low leakage magnetic flux, and moreover, it can be assembled with high precision.
第６図は本発明の他の実施例を示し、このものは複数磁
極連結体９における積層した鉄ノＬ・板９−１〜９ ｎ
のうち、はぼ中央の鉄心板９−Ｘ、９−７が隣接の磁極
と結合され、他のものはあらかじめ切り離されて空隙１
２を有しているもので、このものも複数磁極連結体９を
固定子ヨーク７に結合したのち、前記結合した部分を切
断し、完全な空隙１２を形成するものである。FIG. 6 shows another embodiment of the present invention, which consists of laminated iron plates 9-1 to 9-n in a multi-magnetic pole linking body 9.
Among them, the iron core plates 9-X and 9-7 in the center are combined with the adjacent magnetic poles, and the others are separated in advance to form the air gap 1.
2, which also has a plurality of magnetic poles 9 connected to the stator yoke 7, and then the connected portion is cut to form a complete air gap 12.
発明の効果
前記実施例の説明より明らかなように本発明によれば各
磁極が独立し、相互間に漏れ磁束が小さくなるようにし
た誘導電動機の固定子の組立が容易で、かつ、精度を上
げることができ、その効果は大きい。Effects of the Invention As is clear from the description of the embodiments described above, according to the present invention, it is easy to assemble the stator of an induction motor in which each magnetic pole is independent and leakage magnetic flux between them is small, and accuracy can be improved. It can be increased and the effect is great.
第１図は従来の誘導電動機の固定子の構成図、第２図は
本発明の一実施例における誘導電動機の固定子の構成図
、第３図は同要部断面図、第４図は同加工後の要部断面
図、第５図は本発明の他の実施例を小ず四部断面図であ
る。
７・・・・・・固定子ヨーク、９・・・・・複数磁極連
結体、９−１．９−２−−９−ｎ−−鉄心板、１０ａ、
１０ｂ。
１ｏ ｃ 、 １ｏ ｄ・・−・磁極、１１ａ、１１ｂ
、１１ｃ。
１１ｄ・・・・・ポールシュ一部、１２・・・・・空隙
、１３ａ。
１３ｂ 、１３ｃ 、１３ｄ・・・・・・固定子巻線。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図
第３図
第 ５ 図FIG. 1 is a configuration diagram of a stator of a conventional induction motor, FIG. 2 is a configuration diagram of a stator of an induction motor according to an embodiment of the present invention, FIG. 3 is a cross-sectional view of the same essential part, and FIG. FIG. 5 is a sectional view of the main part after processing, and FIG. 5 is a sectional view of four small parts of another embodiment of the present invention. 7...Stator yoke, 9...Multi-magnetic pole connection body, 9-1.9-2--9-n--iron core plate, 10a,
10b. 1oc, 1od...magnetic pole, 11a, 11b
, 11c. 11d...Part of Paulsch, 12...Gap, 13a. 13b, 13c, 13d... stator windings. Name of agent: Patent attorney Toshio Nakao and 1 other person 1st
Figure 3 Figure 5
Claims (1)
片が隣接した磁極片とボールシュ一部において連結し、
他の鉄心板は各磁極片が独立した構成の複数磁極連結体
を構成し、前記複数磁極連結体の各磁極に固定子巻線を
巻装したのち前記複数磁極連結体の各磁極を固定子ヨー
クに結合し、前記一部の鉄心板の連結部を切断して磁気
抵抗用の空隙を形成することを特徴とする誘導電動機の
固定子の製造法。A plurality of core plates are laminated, and in some of the core plates, a plurality of magnetic pole pieces are connected to adjacent magnetic pole pieces at a part of the balls,
The other iron core plate constitutes a multi-magnetic pole assembly in which each magnetic pole piece is independent, and after winding a stator winding around each magnetic pole of the multi-magnetic pole assembly, each magnetic pole of the multi-magnetic pole assembly is connected to the stator. 1. A method of manufacturing a stator for an induction motor, which comprises connecting to a yoke and cutting a connecting portion of some of the iron core plates to form a gap for magnetic resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP154884A JPS60148358A (en) | 1984-01-09 | 1984-01-09 | Manufacture of stator of induction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP154884A JPS60148358A (en) | 1984-01-09 | 1984-01-09 | Manufacture of stator of induction motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60148358A true JPS60148358A (en) | 1985-08-05 |
| JPH0410308B2 JPH0410308B2 (en) | 1992-02-24 |
Family
ID=11504571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP154884A Granted JPS60148358A (en) | 1984-01-09 | 1984-01-09 | Manufacture of stator of induction motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60148358A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6434151A (en) * | 1987-07-27 | 1989-02-03 | Matsushita Seiko Kk | Stator for capacitor motor |
| JPH01298931A (en) * | 1988-05-27 | 1989-12-01 | Shibaura Eng Works Co Ltd | Manufacture of motor |
-
1984
- 1984-01-09 JP JP154884A patent/JPS60148358A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6434151A (en) * | 1987-07-27 | 1989-02-03 | Matsushita Seiko Kk | Stator for capacitor motor |
| JPH01298931A (en) * | 1988-05-27 | 1989-12-01 | Shibaura Eng Works Co Ltd | Manufacture of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410308B2 (en) | 1992-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |