JPS6383982U - - Google Patents
Info
- Publication number
- JPS6383982U JPS6383982U JP17774286U JP17774286U JPS6383982U JP S6383982 U JPS6383982 U JP S6383982U JP 17774286 U JP17774286 U JP 17774286U JP 17774286 U JP17774286 U JP 17774286U JP S6383982 U JPS6383982 U JP S6383982U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- magnet
- power generation
- frequency power
- 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
- 238000010248 power generation Methods 0.000 claims description 7
- 230000005415 magnetization Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案に係るブラシレスモータのロー
タの一実施例を示す半断面図、第２図は第１図に
示すロータの斜視図、第３図は本考案のロータの
他の実施例を示す断面図、第４図は従来のロータ
を示す断面図、第５図乃至第８図は第４図のロー
タにおける駆動マグネツト部および周波数発電用
マグネツト部の着磁状態の測定結果を示す磁気特
性図、第９図は第１図のロータにおける駆動マグ
ネツト部および周波数発電用マグネツト部を着磁
したときの駆動マグネツト部の着磁状態の測定結
果を示す磁気特性図である。
１，３７……ロータヨーク、３，４１……側壁
、５，４３……マグネツト、７，４７……周波数
発電用マグネツト部、９，４９……駆動マグネツ
ト部、１１，５１……パルス信号用マグネツト部
、１３……固定シリンダ、２１……スペーサ部材
、２３……磁心、２５……ねじ、２７……回路基
板、２９……突極歯、３１……駆動コイル、３３
……ロータシヤフト、４５……ロータ、５３……
凹部、５５……周波数発電用コイル。
Fig. 1 is a half-sectional view showing one embodiment of the rotor of a brushless motor according to the present invention, Fig. 2 is a perspective view of the rotor shown in Fig. 1, and Fig. 3 shows another embodiment of the rotor of the present invention. 4 is a sectional view showing a conventional rotor, and FIGS. 5 to 8 are magnetic characteristics showing the measurement results of the magnetization state of the drive magnet section and the frequency power generation magnet section in the rotor shown in FIG. 4. 9 are magnetic characteristic diagrams showing the measurement results of the magnetized state of the drive magnet section when the drive magnet section and the frequency power generation magnet section in the rotor of FIG. 1 are magnetized. 1, 37... Rotor yoke, 3, 41... Side wall, 5, 43... Magnet, 7, 47... Frequency power generation magnet section, 9, 49... Drive magnet section, 11, 51... Pulse signal magnet Part, 13... Fixed cylinder, 21... Spacer member, 23... Magnetic core, 25... Screw, 27... Circuit board, 29... Salient pole tooth, 31... Drive coil, 33
...Rotor shaft, 45...Rotor, 53...
Recessed portion, 55... Frequency power generation coil.
Claims (1)
のマグネツトであつて前記ロータヨークの開放端
面側を周波数発電用マグネツト部としこの周波数
発電用マグネツト部より内側を駆動マグネツト部
として２段の異なる着磁を施したマグネツトと、 を具備してなるブラシレスモータのロータにお
いて、 前記周波数発電用マグネツト部の内径が前記駆
動マグネツト部の内径より大きく形成されてなる
ことを特徴とするブラシレスモータのロータ。[Scope of Claim for Utility Model Registration] A cup-shaped rotor yoke, and an annular magnet fixed to the inner side wall of the rotor yoke, with the open end surface side of the rotor yoke serving as a frequency power generation magnet part, and the frequency power generation magnet part A rotor for a brushless motor, comprising: a magnet having two stages of different magnetization, with the inner side serving as a drive magnet, and an inner diameter of the frequency power generation magnet section being larger than an inner diameter of the drive magnet section. A brushless motor rotor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17774286U JPS6383982U (en) | 1986-11-19 | 1986-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17774286U JPS6383982U (en) | 1986-11-19 | 1986-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6383982U true JPS6383982U (en) | 1988-06-01 |
Family
ID=31119233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17774286U Pending JPS6383982U (en) | 1986-11-19 | 1986-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6383982U (en) |
-
1986
- 1986-11-19 JP JP17774286U patent/JPS6383982U/ja active Pending