JPS62185473U - - Google Patents
Info
- Publication number
- JPS62185473U JPS62185473U JP7086786U JP7086786U JPS62185473U JP S62185473 U JPS62185473 U JP S62185473U JP 7086786 U JP7086786 U JP 7086786U JP 7086786 U JP7086786 U JP 7086786U JP S62185473 U JPS62185473 U JP S62185473U
- Authority
- JP
- Japan
- Prior art keywords
- rotor yoke
- brushless motor
- magnetic
- view
- driving magnet
- 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 2
- 230000004907 flux Effects 0.000 description 2
Description
第１図は本考案に係るブラシレスモータの一実
施例を示す分解斜視図、第２図は同上縦断面図、
第３図は本考案に係るブラシレスモータの別の実
施例を示す縦断面図、第４図は本考案に係るブラ
シレスモータのさらに別の実施例を示す縦断面図
、第５図はブラシレスモータにおける駆動用磁石
からの漏洩磁束の状態を概念的に示す縦断面図、
第６図は信号磁界に対する磁気センサ出力の関係
を示す特性線図、第７図は駆動用磁石からの漏洩
磁束によつて磁気センサが受ける影響を説明する
ための波形図である。
９……ロータヨーク、１１……ロータヨークの
筒形の縁部、１２……駆動用磁石、１４……磁気
センサ。
FIG. 1 is an exploded perspective view showing an embodiment of the brushless motor according to the present invention, FIG. 2 is a vertical sectional view of the same,
FIG. 3 is a longitudinal sectional view showing another embodiment of the brushless motor according to the present invention, FIG. 4 is a longitudinal sectional view showing still another embodiment of the brushless motor according to the invention, and FIG. 5 is a longitudinal sectional view showing another embodiment of the brushless motor according to the present invention. A vertical cross-sectional view conceptually showing the state of leakage magnetic flux from the driving magnet,
FIG. 6 is a characteristic line diagram showing the relationship between the magnetic sensor output and the signal magnetic field, and FIG. 7 is a waveform diagram for explaining the influence of the magnetic sensor due to leakage magnetic flux from the driving magnet. 9... Rotor yoke, 11... Cylindrical edge of rotor yoke, 12... Driving magnet, 14... Magnetic sensor.
Claims (1)
スケールを備えたブラシレスモータであつて、上
記ロータヨークの形状をカツプ形にし、このカツ
プ形ロータヨークの筒形の縁部を駆動用磁石と上
記磁気エンコーダの磁気センサとの間に配置した
ことを特徴とするブラシレスモータ。 The brushless motor is equipped with a magnetic scale of a magnetic encoder on the outer periphery of the rotor yoke, and the rotor yoke has a cup shape, and the cylindrical edge of the cup-shaped rotor yoke is connected to a driving magnet and a magnetic sensor of the magnetic encoder. A brushless motor characterized by being placed between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7086786U JPS62185473U (en) | 1986-05-12 | 1986-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7086786U JPS62185473U (en) | 1986-05-12 | 1986-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62185473U true JPS62185473U (en) | 1987-11-25 |
Family
ID=30912893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7086786U Pending JPS62185473U (en) | 1986-05-12 | 1986-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62185473U (en) |
-
1986
- 1986-05-12 JP JP7086786U patent/JPS62185473U/ja active Pending