JPS6181780U - - Google Patents
Info
- Publication number
- JPS6181780U JPS6181780U JP16537384U JP16537384U JPS6181780U JP S6181780 U JPS6181780 U JP S6181780U JP 16537384 U JP16537384 U JP 16537384U JP 16537384 U JP16537384 U JP 16537384U JP S6181780 U JPS6181780 U JP S6181780U
- Authority
- JP
- Japan
- Prior art keywords
- speed detection
- circuit board
- printed circuit
- brushless motor
- detection pattern
- 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 9
- 238000010586 diagram Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案の一実施例の主要部の構成を示
す平面図、第２図および第３図は同実施例の動作
説明図、第４図は従来装置の縦断面図、第５図お
よび第６図はこの従来装置の主要部の構成を示す
斜視図および平面図、第７図乃至第１１図はこの
従来装置の動作説明図である。
１…プリント基板、３…固定子鉄心、４…固定
子巻線、９…ロータ、１０…駆動用磁石、１１…
速度検出用磁石、１６，１７…速度検出用パター
ン、１８…縦列接続部、１９，２０…接続部。
Fig. 1 is a plan view showing the configuration of the main parts of an embodiment of the present invention, Figs. 2 and 3 are explanatory diagrams of the operation of the same embodiment, Fig. 4 is a vertical sectional view of a conventional device, and Fig. 5 FIG. 6 is a perspective view and a plan view showing the configuration of the main parts of this conventional device, and FIGS. 7 to 11 are explanatory views of the operation of this conventional device. DESCRIPTION OF SYMBOLS 1... Printed circuit board, 3... Stator core, 4... Stator winding, 9... Rotor, 10... Drive magnet, 11...
Magnet for speed detection, 16, 17... pattern for speed detection, 18... cascade connection part, 19, 20... connection part.
Claims (1)
のプリント基板面に対して垂直な軸で回転するロ
ータの環状端面とが接近し、この環状端面に多極
に着磁された速度検出用磁石が設けられ、この速
度検出用磁石と対向する前記プリント基板面に波
状の速度検出用パターンが形成されたブラシレス
モータにおいて、前記速度検出用パターンは、前
記磁石の１極について複数個形成されると共に互
いに直列接続されたものであることを特徴とする
ブラシレスモータ。 ２ 前記プリント基板は前記速度検出用磁石に対
向する部位の周方向の一部が切欠かれ、前記速度
検出用パターンはこの切欠部分を避けて形成した
ことを特徴とする実用新案登録請求の範囲第１項
記載のブラシレスモータ。 ３ 前記速度検出用パターンの接続端部を部分的
に裏面に引廻わしたことを特徴とする実用新案登
録請求の範囲第１項または第２項記載のブラシレ
スモータ。[Claims for Utility Model Registration] 1. A printed circuit board surface on which a stator core is arranged and an annular end surface of a rotor rotating on an axis perpendicular to this printed circuit board surface are close to each other, and this annular end surface has multiple poles. In a brushless motor, a magnetized speed detection magnet is provided, and a wavy speed detection pattern is formed on the surface of the printed circuit board facing the speed detection magnet, and the speed detection pattern is formed on one of the magnets. A brushless motor characterized in that a plurality of poles are formed and connected in series. 2. The printed circuit board is partially cut out in the circumferential direction at a portion facing the speed detection magnet, and the speed detection pattern is formed avoiding this cutout portion. The brushless motor described in item 1. 3. The brushless motor according to claim 1 or 2, wherein the connection end of the speed detection pattern is partially routed to the back surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16537384U JPS6181780U (en) | 1984-10-31 | 1984-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16537384U JPS6181780U (en) | 1984-10-31 | 1984-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6181780U true JPS6181780U (en) | 1986-05-30 |
Family
ID=30723224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16537384U Pending JPS6181780U (en) | 1984-10-31 | 1984-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6181780U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625345U (en) * | 1979-07-31 | 1981-03-07 |
-
1984
- 1984-10-31 JP JP16537384U patent/JPS6181780U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625345U (en) * | 1979-07-31 | 1981-03-07 |
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