JP2800226B2 - Rotating machine stator core - Google Patents
Rotating machine stator coreInfo
- Publication number
- JP2800226B2 JP2800226B2 JP1029113A JP2911389A JP2800226B2 JP 2800226 B2 JP2800226 B2 JP 2800226B2 JP 1029113 A JP1029113 A JP 1029113A JP 2911389 A JP2911389 A JP 2911389A JP 2800226 B2 JP2800226 B2 JP 2800226B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- rotating machine
- stator
- stator core
- pole teeth
- 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.)
- Expired - Fee Related
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は連結された磁極歯を持つ回転機固定子鉄心に
関するもので、その磁極歯間の磁束の制御に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotating machine stator core having connected magnetic pole teeth, and relates to control of magnetic flux between the magnetic pole teeth.
従来の技術 近年、固定子巻線組立工程簡素化のために、固定子鉄
心を継鉄部と磁極部に分離し、磁極部にコイルを巻き付
けてから継鉄部と磁極部を結合することを目的として、
連結された磁極歯を持つ回転機固定子鉄心が利用される
ようになってきた。2. Description of the Related Art In recent years, in order to simplify the stator winding assembly process, the stator core has been separated into a yoke portion and a magnetic pole portion, and a coil has been wound around the magnetic pole portion, and then the yoke portion and the magnetic pole portion have been joined. as a goal,
A rotating machine stator core having connected magnetic pole teeth has been used.
以下に従来の回転機固定子鉄心について説明する。 Hereinafter, a conventional rotating machine stator core will be described.
第５図は従来の磁極歯連結部を持つ回転機固定子鉄心
の部分縦断正面図であり、１は固定子継鉄部である。２
は連結された磁極歯を持つ固定子磁極部であり、2aは磁
極歯間の連結部、2bは磁極鉄心部である。第６図は従来
の磁極歯連結部を持たない部分の回転機固定子鉄心の縦
断正面図であり、１は固定子継鉄部、３は連結部を持た
ない固定子磁極部である。従来の回転機固定子は、第５
図及び第６図の回転機固定子の組み合わせにより構成さ
れているが、第６図に示す構成では、固定子磁極部３を
１つ１つ固定子継鉄部１に取付けるため、組立に手間が
かかる。FIG. 5 is a partial longitudinal front view of a conventional stator of a rotating machine having magnetic pole teeth connecting portions, and 1 is a stator yoke. 2
Is a stator magnetic pole portion having connected magnetic pole teeth, 2a is a connecting portion between the magnetic pole teeth, and 2b is a magnetic pole core portion. FIG. 6 is a longitudinal sectional front view of a conventional stator of a rotating machine having no magnetic pole teeth connecting portion, wherein 1 is a stator yoke, and 3 is a stator magnetic pole having no connecting portion. The conventional rotating machine stator is
6 and the rotating machine stator shown in FIG. 6. In the configuration shown in FIG. 6, the stator magnetic poles 3 are attached to the stator yoke 1 one by one. It takes.
以下にその動作について説明する。 The operation will be described below.
第７図は従来の磁極歯連結部を持つ回転機の部分縦断
正面図である。１は固定子継鉄部、２は固定子磁極部で
あり、2c,2eは磁極歯連結部、2dは磁極鉄心部、5,6は界
磁巻線、７は回転子である。5,6の界磁巻線の内、５の
界磁巻線にのみ電流を流し、Φ０という磁束が磁極鉄心
に生じた場合、その磁束は、Φ1,Φ2,Φ３のように、分
岐して流れる。FIG. 7 is a partial vertical sectional front view of a rotating machine having a conventional magnetic pole tooth connecting portion. Reference numeral 1 denotes a stator yoke portion, 2 denotes a stator magnetic pole portion, 2c and 2e denote magnetic pole tooth connection portions, 2d denotes a magnetic pole core portion, 5 and 6 denote field windings, and 7 denotes a rotor. When a current flows through only the 5 field windings out of the 5 and 6 field windings and a magnetic flux of Φ 0 is generated in the magnetic pole core, the magnetic flux is expressed as Φ 1 , Φ 2 , Φ 3 Diverges and flows.
発明が解決しようとする課題 しかしながら上記の従来の構成では、透磁率の関係か
ら固定子、回転子の空隙を通るより、2c,2eの連結され
た磁極歯間を通りやすいため、かなりの磁束が磁極歯間
を通り、回転子に鎖交する磁束Φ２の制御が困難とな
る。Problems to be Solved by the Invention However, in the conventional configuration described above, rather than passing through the gap between the stator and the rotor from the relationship of magnetic permeability, it is easier to pass between the connected magnetic pole teeth of 2c and 2e, so that a considerable magnetic flux is generated. passes between the magnetic pole teeth, the control of the magnetic flux interlinking [Phi 2 becomes difficult to rotor.
また、磁極歯間を磁束が流れるため、空隙の磁束分布
は高調波成分を多くふくんだものとなる欠点を有してい
た。Further, since the magnetic flux flows between the magnetic pole teeth, the magnetic flux distribution in the air gap has a disadvantage that many harmonic components are included.
本発明は上記問題点を解決するもので、連結された磁
極歯間を流れる磁束を減少させることができる回転機固
定子鉄心を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide a rotating machine stator core that can reduce magnetic flux flowing between connected magnetic pole teeth.
課題を解決するための手段 この目的を達成するために本発明の回転機固定子鉄心
は、連結された磁極歯間の連結部に磁束制御用の導電率
の大きいアルミ環または、銅環を１つ以上備え、連結部
はアルミ環または、銅環の孔を通る構成を有している。Means for Solving the Problems In order to achieve this object, a rotating machine stator core according to the present invention comprises an aluminum ring or a copper ring having a high conductivity for controlling magnetic flux at a connecting portion between connected magnetic pole teeth. The connecting portion has a configuration passing through a hole of an aluminum ring or a copper ring.
作用 この構成によってアルミ環、または、銅環にうず電流
を流し、反磁界を生じさせる事により、連結された磁極
歯間の磁束の制御を行う事ができる。Operation With this configuration, an eddy current is caused to flow through the aluminum ring or the copper ring to generate a demagnetizing field, whereby the magnetic flux between the connected magnetic pole teeth can be controlled.
実施例 以下本発明の一実施例について、図面を参照しながら
説明する。An embodiment of the present invention will be described below with reference to the drawings.
第１図は本発明の実施例における回転機固定子鉄心の
部分縦断面正面図を示すものである。第１図において、
１は固定子継鉄部、２は連結された磁極歯を持つ固定子
磁極鉄心部と連結部を持たない固定子磁極鉄心部の組み
合わせからなる固定子磁極鉄心、４はアルミ環または銅
環である。FIG. 1 is a partial longitudinal sectional front view of a rotating machine stator core according to an embodiment of the present invention. In FIG.
1 is a stator yoke portion, 2 is a stator magnetic pole core comprising a combination of a stator magnetic pole core portion having connected magnetic pole teeth and a stator magnetic pole core portion having no connection portion, and 4 is an aluminum ring or a copper ring. is there.
第２図，第３図，第４図は動作を説明するための回転
機の鉄心の部分断面図である。第２図，第３図，第４図
において、１は固定子継鉄部、2c,2dは磁極歯連結部、2
dは固定子磁極鉄心部、4a,4b,4cはアルミ環または銅
環、5,6はコイル、７は回転子である。2, 3, and 4 are partial cross-sectional views of the iron core of the rotating machine for explaining the operation. 2, 3 and 4, reference numeral 1 denotes a stator yoke, 2c and 2d denote magnetic pole teeth connecting portions, 2
d is a stator magnetic pole core, 4a, 4b and 4c are aluminum or copper rings, 5 and 6 are coils, and 7 is a rotor.
以上のように構成された回転子固定子鉄心について、
以下その動作を説明する。Regarding the rotor stator core configured as above,
The operation will be described below.
まず、第２図にコイル５にのみ電流が流れた瞬間の磁
束の流れを示す。コイル５によりΦ０という磁束が生
じ、連結された磁極歯2c,2eにそれぞれΦ1,Φ３という
磁束と、ギャップを通り回転子７にΦ２という磁束とに
分岐する。次に第２図に示すように連結された磁極歯2
c,2eに時間的変化する磁束が流れると、第３図に示すよ
うにアルミ環または銅環4a,4bにうず電流が流れΦ4,Φ
５という磁束を生じさせる。結局、第４図に示す通り、
コイル５に時間変化する電流を流し、Φ０という磁束が
生じると、連結された磁極歯2c,2eにはそれぞれΦ１−
Φ4,Φ３−Φ５の磁束と、回転子７にはΦ２という磁束
とに分岐する事になる。First, FIG. 2 shows the flow of the magnetic flux at the moment when the current flows only in the coil 5. A magnetic flux of Φ 0 is generated by the coil 5 and splits into a magnetic flux of Φ 1 and Φ 3 at the connected magnetic pole teeth 2 c and 2 e and a magnetic flux of Φ 2 at the rotor 7 through the gap. Next, the magnetic pole teeth 2 connected as shown in FIG.
c, time varying the magnetic flux flows in 2e, aluminum ring or Dowa 4a as shown in FIG. 3, eddy current flows [Phi 4 to 4b, [Phi
A magnetic flux of 5 is generated. Eventually, as shown in FIG.
When a time-varying current is passed through the coil 5 to generate a magnetic flux of Φ 0 , the connected magnetic pole teeth 2 c and 2 e respectively have Φ 1 −
The magnetic flux of Φ 4 , Φ 3 −Φ 5 and the magnetic flux of Φ 2 in the rotor 7 are branched.
以上のように本実施例によれば、連結された磁極歯間
にアルミ環または、銅環を設け、環の大きさ、太さ、形
状を変化させる事により、うず電流の大きさを変え、連
結された磁極歯間の磁束の制御をすることができる。As described above, according to this embodiment, an aluminum ring or a copper ring is provided between the connected magnetic pole teeth, and the size, thickness, and shape of the ring are changed to change the magnitude of the eddy current. It is possible to control the magnetic flux between the connected magnetic pole teeth.
発明の効果 以上のように本発明は、連結された磁極歯間に、アル
ミ環または銅環を設けることにより、連結された磁極歯
間の磁束の制御をすることができる優れた回転機固定子
鉄心を実現できるものである。Advantageous Effects of the Invention As described above, the present invention provides an excellent rotating machine stator that can control the magnetic flux between the connected magnetic pole teeth by providing an aluminum ring or a copper ring between the connected magnetic pole teeth. An iron core can be realized.
第１図は本発明の回転機固定子鉄心の部分断面図、第２
図，第３図，第４図は本発明の動作説明のための動作説
明図、第５図は従来の連結された回転機固定子鉄心の部
分断面図、第６図は従来の連結部を持たない回転機固定
子鉄心の部分断面図、第７図は従来の動作説明のための
動作説明図である。 1,……固定子鉄心継鉄部、２……固定子鉄心磁極部、2
a,2c,2e……連結された磁極歯部、2b,2d……固定子鉄心
磁極鉄心部、３……連結部を持たない固定子鉄心磁極
部、4,4a,4b,4c……アルミ環または銅環、5,6……コイ
ル、７……回転子。FIG. 1 is a partial sectional view of a rotating machine stator core of the present invention, and FIG.
FIGS. 3, 3 and 4 are operation explanatory views for explaining the operation of the present invention, FIG. 5 is a partial sectional view of a conventional connected rotating machine stator core, and FIG. FIG. 7 is a partial cross-sectional view of a rotating machine stator core not provided, and FIG. 7 is an operation explanatory view for explaining the conventional operation. 1, ... stator core yoke, 2 ... stator core magnetic pole, 2
a, 2c, 2e ... connected magnetic pole teeth, 2b, 2d ... stator core magnetic pole iron, 3 ... stator core magnetic pole without connection, 4, 4a, 4b, 4c ... aluminum Ring or copper ring, 5,6 ... coil, 7 ... rotor.
Claims (1)
固定子鉄心において、連結された磁極歯の連結部に導伝
率の大きいアルミ環または、銅環を１つ以上備え、前記
連結部は前記アルミ環または、銅環の孔を貫通したこと
を特徴とする回転機固定子鉄心。1. A rotating machine stator core having one or more connected magnetic pole teeth, wherein a connecting portion of the connected magnetic pole teeth is provided with one or more aluminum rings or copper rings having a high conductivity. A rotating machine stator core, characterized in that the connecting portion penetrates a hole of the aluminum ring or the copper ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1029113A JP2800226B2 (en) | 1989-02-08 | 1989-02-08 | Rotating machine stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1029113A JP2800226B2 (en) | 1989-02-08 | 1989-02-08 | Rotating machine stator core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02211027A JPH02211027A (en) | 1990-08-22 |
| JP2800226B2 true JP2800226B2 (en) | 1998-09-21 |
Family
ID=12267265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1029113A Expired - Fee Related JP2800226B2 (en) | 1989-02-08 | 1989-02-08 | Rotating machine stator core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2800226B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0657054U (en) * | 1992-12-25 | 1994-08-05 | 株式会社高岳製作所 | Closed type stator core |
| SE520528C2 (en) * | 1999-05-03 | 2003-07-22 | Abb Ab | Stator for a rotating electric machine and process for making it |
| AU2002220912A1 (en) * | 2000-12-06 | 2002-06-18 | Newage International Limited | Electrical machine magnetic cores |
| FR3082373B1 (en) * | 2018-06-07 | 2021-12-24 | Leroy Somer Moteurs | ROTATING ELECTRIC MACHINE STATOR |
| DE102020126845A1 (en) | 2020-10-13 | 2022-04-14 | Minebea Mitsumi Inc. | Stator for an electric motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62239837A (en) * | 1986-04-09 | 1987-10-20 | Matsushita Seiko Co Ltd | Stator for motor |
| JPS63174531A (en) * | 1987-01-12 | 1988-07-19 | Shibaura Eng Works Co Ltd | Stator core member of motor |
-
1989
- 1989-02-08 JP JP1029113A patent/JP2800226B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02211027A (en) | 1990-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |