JPH033170U - - Google Patents
Info
- Publication number
- JPH033170U JPH033170U JP6270989U JP6270989U JPH033170U JP H033170 U JPH033170 U JP H033170U JP 6270989 U JP6270989 U JP 6270989U JP 6270989 U JP6270989 U JP 6270989U JP H033170 U JPH033170 U JP H033170U
- Authority
- JP
- Japan
- Prior art keywords
- rotational speed
- speed detection
- patterns
- servo motor
- rotor
- 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
- 238000001514 detection method Methods 0.000 claims description 10
Landscapes
- Brushless Motors (AREA)
Description
第１図はこの考案の第１の実施例のアキユシヤ
ルギヤツプ形ブラシレスサーボモータを、要部の
速度検出用パターンならびにマグネツトと共に示
す分解斜視図、第２図はこの考案の第２の実施例
の要部の回転速度検出系を分解して示す平面図、
第３図はこの考案の第３の実施例の要部の回転速
度検出系を分解して示す平面図、第４図はこの考
案の第４の実施例の要部の回転速度検出系を分解
して示す平面図、第５図は従来のアキユシヤルギ
ヤツプ形ブラシレスサーボモータを示す側断面図
である。
２……プリント配線基板、３……駆動コイル、
１４……ハブ、１８……ロータ、２０，２１，２
０ａ，２１ａ……ＦＣ検出のパターン（回転速度
検出用のパターン）、２２，２３，２５……ＦＧ
マグネツト（回転速度検出用のマグネツト）。
Fig. 1 is an exploded perspective view showing an axial gear type brushless servo motor according to the first embodiment of this invention together with the speed detection pattern and magnet of the main parts, and Fig. 2 is an exploded perspective view showing the second embodiment of this invention. A plan view showing an exploded rotational speed detection system of the main part of the embodiment,
Fig. 3 is an exploded plan view showing the main part of the rotational speed detection system of the third embodiment of this invention, and Fig. 4 is an exploded plan view of the main part of the rotational speed detection system of the fourth embodiment of this invention. FIG. 5 is a side sectional view showing a conventional axial gap type brushless servo motor. 2...Printed wiring board, 3...Drive coil,
14...Hub, 18...Rotor, 20, 21, 2
0a, 21a...FC detection pattern (rotational speed detection pattern), 22, 23, 25...FG
Magnet (magnet for detecting rotational speed).
Claims (1)
ング状の回転速度検出用のパターンを設けたプリ
ント配線基板に、前期パターンに対応する回転速
度検出用マグネツトを有したロータを装着してな
ることを特徴とするアキユシヤルギヤツプ形ブラ
シレスサーボモータ。 (2) 片面にそれぞれ極数が異なる複数のリング
状の回転速度検出用のパターンを同心円状に設け
たプリント配線基板に、前記パターンのいずれか
に対応する回転速度検出用のマグネツトを有した
ロータを装着してなることを特徴とするアキユシ
ヤルギヤツプ形ブラシレスサーボモータ。 (3) 片面にそれぞれ極数が異なる複数のリング
状の回転速度検出用のパターンを同心円状に設け
たプリント配線板に、前記パターンにそれぞれに
対応する回転速度検出用のマグネツトを有したロ
ータを装着してなることを特徴とするアキユシヤ
ルギヤツプ形ブラシレスサーボモータ。[Scope of Claim for Utility Model Registration] (1) A printed wiring board having a ring-shaped rotational speed detection pattern with a different number of poles on the front and back sides, and a rotational speed detection magnet corresponding to the previous pattern. An axial gear type brushless servo motor characterized by being equipped with a rotor. (2) A rotor having a printed wiring board on which a plurality of ring-shaped patterns for detecting rotational speed, each having a different number of poles, are arranged concentrically on one side, and a magnet for detecting rotational speed corresponding to one of the patterns. An axial gear type brushless servo motor characterized by being equipped with. (3) A printed wiring board having a plurality of concentric ring-shaped rotational speed detection patterns each having a different number of poles on one side, and a rotor having rotational speed detection magnets corresponding to each of the patterns. An axial gear type brushless servo motor characterized by being installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6270989U JPH033170U (en) | 1989-05-30 | 1989-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6270989U JPH033170U (en) | 1989-05-30 | 1989-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033170U true JPH033170U (en) | 1991-01-14 |
Family
ID=31592105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6270989U Pending JPH033170U (en) | 1989-05-30 | 1989-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033170U (en) |
-
1989
- 1989-05-30 JP JP6270989U patent/JPH033170U/ja active Pending
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