JPS6196779U - - Google Patents
Info
- Publication number
- JPS6196779U JPS6196779U JP17950184U JP17950184U JPS6196779U JP S6196779 U JPS6196779 U JP S6196779U JP 17950184 U JP17950184 U JP 17950184U JP 17950184 U JP17950184 U JP 17950184U JP S6196779 U JPS6196779 U JP S6196779U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- optical fiber
- reflectors
- disposed
- floodlight
- 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
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案の一実施例を示す要部斜視図、
第２図はフオトダイオード２９，３１，３３の波
形図である。
１０…ブラシレスモータ、１１…シヤフト、１
２…ロータ、１３，１４，１５，１６…反射板、
１７，１８，１９，２０，２１，２２…光フアイ
バー、２３，２５，２７…ＬＥＤ、２４，２６，
２８，３０，３２，３４…レンズ、２９，３１，
３３…フオトダイオード。
FIG. 1 is a perspective view of essential parts showing an embodiment of the present invention;
FIG. 2 is a waveform diagram of photodiodes 29, 31, and 33. 10... Brushless motor, 11... Shaft, 1
2... Rotor, 13, 14, 15, 16... Reflector plate,
17, 18, 19, 20, 21, 22...Optical fiber, 23, 25, 27... LED, 24, 26,
28, 30, 32, 34...lens, 29, 31,
33...Photodiode.
Claims (1)
互いに離隔して配設された複数の反射板と、ロー
タ上の少なくとも反射板配設位置に光フアイバー
を介して光を照射する投光器と、各反射板からの
反射光を光フアイバーを介して順次受光し、受光
した光信号によりロータの回転位置を検知し、こ
の検知出力によりステータコイルの通電を制御す
る制御装置とを具備して成ることを特徴とするブ
ラシレスモータ。 a plurality of reflectors disposed at a distance from each other on either the north pole or the south pole of the rotor; and a floodlight that irradiates light through an optical fiber to at least the position on the rotor where the reflectors are disposed. , a control device that sequentially receives reflected light from each reflecting plate via an optical fiber, detects the rotational position of the rotor based on the received optical signal, and controls energization of the stator coil based on the detection output. A brushless motor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17950184U JPS6196779U (en) | 1984-11-27 | 1984-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17950184U JPS6196779U (en) | 1984-11-27 | 1984-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6196779U true JPS6196779U (en) | 1986-06-21 |
Family
ID=30737068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17950184U Pending JPS6196779U (en) | 1984-11-27 | 1984-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196779U (en) |
-
1984
- 1984-11-27 JP JP17950184U patent/JPS6196779U/ja active Pending
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