JPS6377466U - - Google Patents
Info
- Publication number
- JPS6377466U JPS6377466U JP16969086U JP16969086U JPS6377466U JP S6377466 U JPS6377466 U JP S6377466U JP 16969086 U JP16969086 U JP 16969086U JP 16969086 U JP16969086 U JP 16969086U JP S6377466 U JPS6377466 U JP S6377466U
- Authority
- JP
- Japan
- Prior art keywords
- pulse signal
- magnet
- signal output
- rotor yoke
- coil
- 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
- 239000007858 starting material Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案に係るブラシレスモータの一実
施例を示す半断正面図、第２図は第１図のボビン
を示す斜視図、第３図および第４図は第１図にお
けるブラシレスモータのパルス信号出力用コイル
の配置例を説明する図、第５図および第６図は従
来のブラシレスモータのロータを示す斜視図およ
び断面図、第７図および第８図はブラシレスモー
タのパルス信号出力用コイルからの出力が期待さ
れるパルス信号出力波形図である。
１，３７……ロータヨーク、３，３９……側壁
、５，４１……駆動マグネツト、７，４５……パ
ルス信号用マグネツト、９，４３……ロータ、１
１，４７……磁性体ボビン、１３，４９……パル
ス信号出力用コイル、１５……ステータ部材、２
３……回路基板、２７……磁心、２９……突極歯
、３１……駆動コイル、３３……ロータシヤフト
、５３……突出部。
FIG. 1 is a half-sectional front view showing an embodiment of the brushless motor according to the present invention, FIG. 2 is a perspective view showing the bobbin of FIG. 1, and FIGS. 3 and 4 are views of the brushless motor in FIG. Figures 5 and 6 are perspective views and cross-sectional views showing the rotor of a conventional brushless motor, and Figures 7 and 8 are diagrams illustrating an example of the arrangement of pulse signal output coils. FIG. 3 is a pulse signal output waveform diagram that is expected to be output from a coil. 1, 37... Rotor yoke, 3, 39... Side wall, 5, 41... Drive magnet, 7, 45... Pulse signal magnet, 9, 43... Rotor, 1
1, 47... Magnetic bobbin, 13, 49... Pulse signal output coil, 15... Stator member, 2
3... Circuit board, 27... Magnetic core, 29... Salient pole teeth, 31... Drive coil, 33... Rotor shaft, 53... Protruding portion.
Claims (1)
プ状のロータヨークと、 前記駆動コイルに対向して前記ロータヨークの
側壁内側に止着された環状の多極駆動マグネツト
と、 この駆動マグネツトの内側から延設されて前記
ロータヨークの内側に配置されるとともに、半周
毎にＮ極とＳ極に着磁された円盤状のパルス信号
用マグネツトと、 磁性体ボビンに導線を巻いてなりそのボビンの
片端面を前記パルス信号用マグネツトに対向して
前記ステータ部材に配置されたパルス信号出力用
コイルであつて、前記ロータヨークの回転に伴つ
てパルス信号を出力するパルス信号出力用コイル
と、 を具備してなるブラシレスモータにおいて、 前記磁性体ボビンの片端面から横断面長方形の
突出部が前記パルス信号用マグネツトに向けて立
設され、前記パルス信号出力用コイルが前記突出
部の横断面長手方向を前記パルス信号用マグネツ
トの回転接線方向とこれに直交する方向に選択的
に配置さ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 stator member, a drive coil disposed on the starter member, a cup-shaped rotor yoke rotatably supported by the stator member, and a rotor yoke arranged opposite to the drive coil. An annular multi-polar drive magnet fixed to the inside of the side wall; and a disk-shaped disc extending from the inside of the drive magnet and placed inside the rotor yoke and magnetized to N and S poles every half circumference. a pulse signal output coil, which is made by winding a conductive wire around a magnetic bobbin and is disposed on the stator member with one end surface of the bobbin facing the pulse signal magnet; A brushless motor comprising: a pulse signal output coil that outputs a pulse signal as the motor rotates; a protruding portion having a rectangular cross section erected from one end surface of the magnetic bobbin toward the pulse signal magnet; A brushless motor characterized in that the pulse signal output coil is selectively disposed with the longitudinal direction of the cross section of the protrusion being oriented in the rotation tangent direction of the pulse signal magnet and in a direction perpendicular thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16969086U JPS6377466U (en) | 1986-11-05 | 1986-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16969086U JPS6377466U (en) | 1986-11-05 | 1986-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6377466U true JPS6377466U (en) | 1988-05-23 |
Family
ID=31103729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16969086U Pending JPS6377466U (en) | 1986-11-05 | 1986-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6377466U (en) |
-
1986
- 1986-11-05 JP JP16969086U patent/JPS6377466U/ja active Pending
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