JPH027778U - - Google Patents
Info
- Publication number
- JPH027778U JPH027778U JP8244888U JP8244888U JPH027778U JP H027778 U JPH027778 U JP H027778U JP 8244888 U JP8244888 U JP 8244888U JP 8244888 U JP8244888 U JP 8244888U JP H027778 U JPH027778 U JP H027778U
- Authority
- JP
- Japan
- Prior art keywords
- pulse signal
- signal generating
- fixed
- magnet
- rotor 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
- 238000010586 diagram Methods 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Brushless Motors (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Description
第１図は本考案に係るブラシレスモータの一実
施例を示す半断面図、第２図は第１図のブラシレ
スモータの要部を示す拡大正面図、第３図は本考
案のブラシレスモータに用いられるボビンの他の
実施例を示す図、第４図は従来のブラシレスモー
タの半断面図、第５図は第４図中のバルス信号出
力用コイルからの出力波形図、第６図は従来の他
のパルス信号出力用コイルを示す回路図である。
１……固定シリンダ、３……支持部材、５……
磁心、７……駆動コイル、１１……ロータ軸、１
３……ロータヨーク、１５……主マグネツト、１
７……パルス信号発生用マグネツト、１９……ロ
ータ、２１……回路基板、２３……ボビン、２５
……パルス信号出力用コイル、２５ａ……キヤン
セルコイル、２７……突極、２９……ステータ。
FIG. 1 is a half-sectional view showing an embodiment of the brushless motor according to the present invention, FIG. 2 is an enlarged front view showing the main parts of the brushless motor of FIG. 1, and FIG. Figure 4 is a half-sectional view of a conventional brushless motor, Figure 5 is an output waveform diagram from the pulse signal output coil in Figure 4, and Figure 6 is a diagram showing a conventional brushless motor. FIG. 7 is a circuit diagram showing another pulse signal output coil. 1...Fixed cylinder, 3...Support member, 5...
Magnetic core, 7... Drive coil, 11... Rotor shaft, 1
3...Rotor yoke, 15...Main magnet, 1
7...Pulse signal generation magnet, 19...Rotor, 21...Circuit board, 23...Bobbin, 25
...Pulse signal output coil, 25a... Cancel coil, 27... Salient pole, 29... Stator.
Claims (1)
ヨークと、 このロータヨークに固定された主マグネツトと
、 一周が所定数のＮ極とＳ極に分割着磁され前記
ロータヨークに固定されたパルス信号発生用マグ
ネツトと、 このパルス信号発生用マグネツトに向けて前記
ステータ側に固定されたボビンに巻かれ、前記パ
ルス信号発生用マグネツトの磁極の変化部をパル
ス信号として出力するパルス信号発生用コイルと
、 を具備してなるブラシレスモータにおいて、 前記パルス信号発生用コイルが前記パルス信号
発生用マグネツトに寄せて巻かれてなることを特
徴とするブラシレスモータ。[Claims for Utility Model Registration] A drive coil fixed to the stator side, a rotor yoke rotatably supported by the stator side, a main magnet fixed to the rotor yoke, and a predetermined number of north poles per circumference. a pulse signal generating magnet which is magnetized in S poles and fixed to the rotor yoke; and a magnetic pole of the pulse signal generating magnet which is wound around a bobbin fixed to the stator side facing the pulse signal generating magnet. A brushless motor comprising: a pulse signal generating coil that outputs a changing part as a pulse signal, wherein the pulse signal generating coil is wound close to the pulse signal generating magnet. motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8244888U JPH027778U (en) | 1988-06-22 | 1988-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8244888U JPH027778U (en) | 1988-06-22 | 1988-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027778U true JPH027778U (en) | 1990-01-18 |
Family
ID=31307201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8244888U Pending JPH027778U (en) | 1988-06-22 | 1988-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027778U (en) |
-
1988
- 1988-06-22 JP JP8244888U patent/JPH027778U/ja active Pending