JPS61192681U - - Google Patents
Info
- Publication number
- JPS61192681U JPS61192681U JP7599785U JP7599785U JPS61192681U JP S61192681 U JPS61192681 U JP S61192681U JP 7599785 U JP7599785 U JP 7599785U JP 7599785 U JP7599785 U JP 7599785U JP S61192681 U JPS61192681 U JP S61192681U
- Authority
- JP
- Japan
- Prior art keywords
- stator
- coil
- stepping motor
- rotor
- type stepping
- 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
- 230000002265 prevention Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Description
第１図は本考案の一実施例である外部コイル型
ステツピングモータのステータ構造を示す説明図
、第２図は第１図に示すステータコイル及びリー
ク防止用補償コイルによつて発生する磁束の方向
を示す説明図、第３図は２組のリーク防止用補償
コイルを各々２個で構成した場合の磁束の方向を
示す説明図、第４図は従来の外部コイル型ステツ
ピングモータのステータ構造を示す説明図である
。
２６……ステータ、２６ａ……ステータ極、２
６ａ―１〜２６ａ―４……ステータブロツク極、
３０……ロータ、３０ａ……ロータ極、３２，３
４……ステータコイル、４２，４４，４６，４８
……リーク防止用補償コイル、１０８……円孔。
Fig. 1 is an explanatory diagram showing the stator structure of an external coil type stepping motor which is an embodiment of the present invention, and Fig. 2 shows the magnetic flux generated by the stator coil and leak prevention compensation coil shown in Fig. 1. Fig. 3 is an explanatory drawing showing the direction of magnetic flux when two sets of leak prevention compensation coils are each configured, and Fig. 4 shows the stator structure of a conventional external coil type stepping motor. FIG. 26... Stator, 26a... Stator pole, 2
6a-1 to 26a-4... stator block pole,
30...Rotor, 30a...Rotor pole, 32,3
4...Stator coil, 42, 44, 46, 48
...Compensation coil for leak prevention, 108...Circular hole.
Claims (1)
対向する複数のステータ極から成るステータブロ
ツク極が形成され、外側部にステータコイルが巻
回されるステータ構造を有する外部コイル型ステ
ツピングモータにおいて、前記ステータを一体構
造とするとともに前記ステータブロツク極間にス
テータコイルによる磁気リークを防止する方向に
磁界を発生させるリーク防止用補償コイルを設け
たことを特徴とする外部コイル型ステツピングモ
ータ。 An external coil type stepping motor having a stator structure in which a stator block pole consisting of a plurality of stator poles facing the rotor pole is formed on the inner peripheral surface of a circular hole into which the rotor is inserted, and a stator coil is wound around the outer part. An external coil type stepping motor, characterized in that the stator has an integral structure and a leak prevention compensation coil is provided between the poles of the stator block to generate a magnetic field in a direction to prevent magnetic leak due to the stator coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7599785U JPS61192681U (en) | 1985-05-21 | 1985-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7599785U JPS61192681U (en) | 1985-05-21 | 1985-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61192681U true JPS61192681U (en) | 1986-11-29 |
Family
ID=30617728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7599785U Pending JPS61192681U (en) | 1985-05-21 | 1985-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61192681U (en) |
-
1985
- 1985-05-21 JP JP7599785U patent/JPS61192681U/ja active Pending
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