JPS60177671U - Single phase brushless motor - Google Patents
Single phase brushless motorInfo
- Publication number
- JPS60177671U JPS60177671U JP6218684U JP6218684U JPS60177671U JP S60177671 U JPS60177671 U JP S60177671U JP 6218684 U JP6218684 U JP 6218684U JP 6218684 U JP6218684 U JP 6218684U JP S60177671 U JPS60177671 U JP S60177671U
- Authority
- JP
- Japan
- Prior art keywords
- field magnet
- brushless motor
- phase brushless
- core
- stator yoke
- 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
Landscapes
- Brushless Motors (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図、第２図は従来の単相ブラシレスモータの一例を
示す断面区部よびそのステータ側の拡大平面図、第３図
は第１図における停止位置の説明図、第４図はコアーレ
スの電機子コイルを用いた単相ブラシレスモータのトル
ク曲線を示す図、第５図は同じくファーを挿入した電機
子コイルを用 。
いた単相ブラシレスモータのトルク曲線を示す両図、第
６図、第７図はこの考案の一実施例を示す要部の平面図
とそのＸ−Ｘ線による断面図である。
図中、１はロータヨーク、２は界磁マグネット、３は電
機子コイル、４はエアー傘ヤップ、５はステータヨーク
、７は磁極位置検出器、８はプリント基板、９はシャフ
ト、１，０はコアー、１１は斜面である。Figures 1 and 2 are an enlarged plan view of the cross-sectional section and stator side of a conventional single-phase brushless motor, Figure 3 is an explanatory diagram of the stop position in Figure 1, and Figure 4 is a coreless brushless motor. A diagram showing the torque curve of a single-phase brushless motor using an armature coil. Figure 5 also uses an armature coil with fur inserted. Figures 6 and 7, which show the torque curve of a single-phase brushless motor, are a plan view of a main part of an embodiment of this invention and a cross-sectional view taken along the line X--X. In the figure, 1 is a rotor yoke, 2 is a field magnet, 3 is an armature coil, 4 is an air umbrella, 5 is a stator yoke, 7 is a magnetic pole position detector, 8 is a printed circuit board, 9 is a shaft, 1 and 0 are Core 11 is a slope.
Claims (3)
つ４極以上の偶数個を有する界磁マグネットと、軸方向
のエアーギャップを介して前記界磁マグネットと対向す
るステータヨークと、このステータヨーク上に設けられ
た複数個の電機子コイルと、前記界磁マグネットの磁極
位置に応じて前記電機子コイルへの通電を切り換える電
子回路を備えた単相ブラシレスモータにおいて、前記電
機子コイル内に前記界磁゛マグネットと同一の平面形状
のコアーを挿入し、さらに前記界磁マグネット、の安定
な停止位置が自起動位置となるように前記コアーの表面
形状をこのコアーと前記界磁マグネットとの間のエアー
ギャップが前記界磁マグネットの回転方向に従って減少
する斜面としたことを特徴とする単相ブラシレスモータ
。(1) A field magnet that is rotatably supported and has N and S magnetic poles alternately and an even number of 4 or more poles, and a stator yoke that faces the field magnet through an axial air gap. , a single-phase brushless motor comprising a plurality of armature coils provided on the stator yoke and an electronic circuit that switches energization to the armature coils according to the magnetic pole position of the field magnet. A core with the same planar shape as the field magnet is inserted into the coil, and the surface shape of the core is adjusted between the core and the field magnet so that the stable stopping position of the field magnet becomes the self-starting position. 1. A single-phase brushless motor, characterized in that an air gap between the field magnet and the magnet has a slope that decreases according to the rotational direction of the field magnet.
り形成されていることを特徴とする実用新案登録請求の
範囲第（１）項記載の単相ブラシレスモータ。(2) The single-phase brushless motor according to claim 1, wherein the core is made of a plastic material mixed with iron powder.
スチック材料により一体に形成されていることを特徴と
する実用新案登録請求の範囲第（１）項記載の単相ブラ
シレスモータ。(3) The single-phase brushless motor according to claim 1, wherein the core and the stator yoke are integrally formed of a plastic material mixed with iron powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6218684U JPS60177671U (en) | 1984-04-28 | 1984-04-28 | Single phase brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6218684U JPS60177671U (en) | 1984-04-28 | 1984-04-28 | Single phase brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60177671U true JPS60177671U (en) | 1985-11-26 |
Family
ID=30591159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6218684U Pending JPS60177671U (en) | 1984-04-28 | 1984-04-28 | Single phase brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60177671U (en) |
-
1984
- 1984-04-28 JP JP6218684U patent/JPS60177671U/en active Pending
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