JPS61205277U - - Google Patents
Info
- Publication number
- JPS61205277U JPS61205277U JP8859385U JP8859385U JPS61205277U JP S61205277 U JPS61205277 U JP S61205277U JP 8859385 U JP8859385 U JP 8859385U JP 8859385 U JP8859385 U JP 8859385U JP S61205277 U JPS61205277 U JP S61205277U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- coreless armature
- utility
- motor according
- coreless
- 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
- 230000005415 magnetization Effects 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
- Dc Machiner (AREA)
Description
第１図は本考案の第１実施例としての本考案の
コアレス電機子を適用した偏平整流子モータの縦
断面図、第２図は界磁マグネツトの平面図、第３
図は磁気エンコーダ磁極部を形成したコアレス電
機子の斜視図、第４図は原点信号着磁部を有する
磁気コンコーダ磁極部の他の説明図、第５図は界
磁マグネツトとコアレス電機子との展開図、第６
図は本考案の第２実施例としてのコアレス電機子
を適用した偏平整流子モータの縦断面図、第７図
はコアレス電機子の下面図、第８図は磁気エンコ
ーダ磁極部の平面説明図、第９図は原点信号着磁
部を有する磁気エンコーダ磁極部の説明図、第１
０図は本考案第３実施例の磁気エンコーダ磁極部
の説明図、第１１図ａ，ｂは第３実施例のものに
よつて得られる磁気センサからの信号波形図、第
１２図は本考案第４実施例の磁気エンコーダ磁極
部の説明図、第１３図は本考案第５実施例の磁気
エンコーダ磁極部を有するコアレス電機子の斜視
図、第１４図は本考案を適用した本考案第６実施
例の縦断面図、第１５図はコアレス電機子の下面
図、第１６図はくし歯状導電パターンを形成した
リング状部材の平面図、第１７図は第１６図のく
し歯状導電パターンから得られる信号波形図であ
る。
１……偏平型整流子モータ、２……偏平整流子
モータ本体、３，４……軸受、５……回転軸、６
……コアレス電機子、７―１，７―２，７―３…
…電機子コイル、８……整流子、８―１，…，８
―６……整流子片、９……界磁マグネツト、１０
……プラスチツクリング、１１……ブラシ、１２
……プラスチツクマグネツト、１３，１３′，１
３″……磁気エンコーダ磁極部、１４……回転軸
挿入孔、１５……磁気センサ、１７，１７′……
着磁用磁性層、１８，２２……原点信号着磁部、
２１……周波数検出用のくし歯状の導電パターン
。
FIG. 1 is a longitudinal sectional view of a flat commutator motor to which the coreless armature of the present invention is applied as a first embodiment of the present invention, FIG. 2 is a plan view of a field magnet, and FIG.
The figure is a perspective view of the coreless armature forming the magnetic encoder magnetic pole part, Figure 4 is another explanatory diagram of the magnetic encoder magnetic pole part having the origin signal magnetized part, and Figure 5 is a diagram showing the relationship between the field magnet and the coreless armature. Developed view, No. 6
The figure is a longitudinal sectional view of a flat commutator motor to which a coreless armature is applied as a second embodiment of the present invention, FIG. 7 is a bottom view of the coreless armature, and FIG. 8 is a plan explanatory diagram of the magnetic encoder magnetic pole part. FIG. 9 is an explanatory diagram of the magnetic encoder magnetic pole portion having the origin signal magnetized portion, the first
Figure 0 is an explanatory diagram of the magnetic encoder magnetic pole part of the third embodiment of the present invention, Figures 11a and b are signal waveform diagrams from the magnetic sensor obtained by the third embodiment, and Figure 12 is the diagram of the magnetic encoder magnetic pole part of the third embodiment of the present invention. An explanatory diagram of the magnetic encoder magnetic pole part of the fourth embodiment, FIG. 13 is a perspective view of a coreless armature having the magnetic encoder magnetic pole part of the fifth embodiment of the present invention, and FIG. 14 is a sixth embodiment of the present invention to which the present invention is applied. 15 is a bottom view of the coreless armature, FIG. 16 is a plan view of a ring-shaped member on which a comb-like conductive pattern is formed, and FIG. 17 is a view from the comb-like conductive pattern shown in FIG. 16. It is a signal waveform diagram obtained. 1... Flat commutator motor, 2... Flat commutator motor body, 3, 4... Bearing, 5... Rotating shaft, 6
...Coreless armature, 7-1, 7-2, 7-3...
... Armature coil, 8 ... Commutator, 8-1, ..., 8
-6... Commutator piece, 9... Field magnet, 10
...Plastic ring, 11...Brush, 12
...Plastic magnet, 13, 13', 1
3″... Magnetic encoder magnetic pole part, 14... Rotating shaft insertion hole, 15... Magnetic sensor, 17, 17'...
Magnetic layer for magnetization, 18, 22... origin signal magnetization section,
21... Comb tooth-shaped conductive pattern for frequency detection.
補正 昭６０．１０．２１
図面の簡単な説明を次のように補正する。
明細書第２３頁第１３行，「２２」を削除する
。Amendment October 21, 1980 The brief description of the drawing is amended as follows. Delete "22" on page 23, line 13 of the specification.
Claims (1)
たコアレス電機子のプラスチツク部に、磁性膜層
またはプラスチツクマグネツト等着磁できる着磁
用磁性層を形成し、該着磁用磁性層にリング状に
Ｎ極、Ｓ極の磁極を交互に細かなピツチで着磁形
成した、偏平モータのコアレス電機子。 (2) 上記着磁用磁性層は、コアレス電機子の外
周プラスチツク部に形成した、実用新案登録請求
の範囲第(1)項記載の偏平モータのコアレス電機
子。 (3) 上記着磁用磁性層は、コアレス電機子の上
面又は下面の少なくとも一方の面のプラスチツク
部に形成した、実用新案登録請求の範囲第(1)項
記載の偏平モータのコアレス電機子。 (4) 上記電機子コイルは空心コイルである、実
用新案登録請求の範囲第(1)項乃至第(3)項いずれ
かに記載の偏平モータのコアレス電機子。 (5) 上記電機子コイルは発生トルクに寄与する
導体部の開角幅が電機子と対向する固定側に設け
た界磁マグネツトの磁極幅の略２ｎ―１（ｎは１
以上の正の整数）倍に巻回されたものである、実
用新案登録請求の範囲第(1)項乃至第(4)項いずれ
かに記載の偏平モータのコアレス電機子。 (6) 上記電機子コイルは互いに重畳しないよう
に等間隔配置されている、実用新案登録請求の範
囲第(1)項乃至第(5)項いずれかに記載の偏平モー
タのコアレス電機子。[Scope of Claim for Utility Model Registration] (1) A magnetic layer for magnetization, such as a magnetic film layer or a plastic magnet, is formed on the plastic part of a coreless armature in which the armature coil is molded with plastic, and the magnetization A coreless armature for flat motors in which N and S poles are alternately magnetized in a fine pitch in a ring shape on the magnetic layer. (2) A coreless armature for a flat motor according to claim 1, wherein the magnetizing magnetic layer is formed on an outer peripheral plastic portion of the coreless armature. (3) The coreless armature for a flat motor according to claim (1) of the utility model registration, wherein the magnetizing magnetic layer is formed on a plastic portion of at least one of the upper surface and the lower surface of the coreless armature. (4) The coreless armature for a flat motor according to any one of claims (1) to (3) of the scope of utility model registration, wherein the armature coil is an air-core coil. (5) In the above armature coil, the opening angle width of the conductor part that contributes to the generated torque is approximately 2n-1 (n is 1
A coreless armature for a flat motor according to any one of claims (1) to (4) of the claims for utility model registration, which is wound by a positive integer greater than or equal to 1). (6) A coreless armature for a flat motor according to any one of claims (1) to (5) of the utility model registration, wherein the armature coils are arranged at regular intervals so as not to overlap each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8859385U JPS61205277U (en) | 1985-06-12 | 1985-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8859385U JPS61205277U (en) | 1985-06-12 | 1985-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61205277U true JPS61205277U (en) | 1986-12-24 |
Family
ID=30641882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8859385U Pending JPS61205277U (en) | 1985-06-12 | 1985-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61205277U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01274655A (en) * | 1988-04-25 | 1989-11-02 | Minebea Co Ltd | Brushless dc motor stator |
| JP2010193555A (en) * | 2009-02-16 | 2010-09-02 | Shinano Kenshi Co Ltd | Electric motor |
-
1985
- 1985-06-12 JP JP8859385U patent/JPS61205277U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01274655A (en) * | 1988-04-25 | 1989-11-02 | Minebea Co Ltd | Brushless dc motor stator |
| JP2010193555A (en) * | 2009-02-16 | 2010-09-02 | Shinano Kenshi Co Ltd | Electric motor |
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