JPS6181777U - - Google Patents
Info
- Publication number
- JPS6181777U JPS6181777U JP16418784U JP16418784U JPS6181777U JP S6181777 U JPS6181777 U JP S6181777U JP 16418784 U JP16418784 U JP 16418784U JP 16418784 U JP16418784 U JP 16418784U JP S6181777 U JPS6181777 U JP S6181777U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- hall
- brushless
- ring
- ferromagnetic material
- 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
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案に係るブラシレスＤＣモータの
ホールＩＣ取付構造を示す断面説明図、第２図は
第１図Ａ−Ａ線断面図、第３図と第４図は第１図
に示す要部強磁性材料からなるリングを用いない
でホールＩＣを取付ける場合とリングを用いてホ
ールＩＣを取付ける場合における漏れ磁束の関係
を比較する説明図、第５図は従来のブラシレスＤ
ＣモータのホールＩＣの取付構造を示す断面説明
図である。
１…シヤフト、２……回転子、３…永久磁石、
４…フレーム、５…固定子コア、６…コイル、７
…ホールＩＣ、１１…プリント配線基板、１２…
強磁性材料からなるリング。
FIG. 1 is an explanatory cross-sectional view showing the Hall IC mounting structure of a brushless DC motor according to the present invention, FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1, and FIGS. Figure 5 is an explanatory diagram comparing the relationship of leakage magnetic flux when installing a Hall IC without using a ring made of ferromagnetic material and when installing a Hall IC using a ring.
FIG. 3 is an explanatory cross-sectional view showing the mounting structure of the Hall IC of the C motor. 1...shaft, 2...rotor, 3...permanent magnet,
4... Frame, 5... Stator core, 6... Coil, 7
...Hall IC, 11...Printed wiring board, 12...
A ring made of ferromagnetic material.
Claims (1)
久磁石を備えた回転子印置を検出するようにした
ブラシレスＤＣモータにおいて、モータフレーム
の内側に強磁性材料からなるリングを装着し、該
リングの内周にホールＩＣを装着したことを特徴
とするブラシレスＤＣモータ。 In a brushless DC motor in which a plurality of Hall ICs are arranged on the stator side to detect a rotor imprinted with a permanent magnet, a ring made of a ferromagnetic material is attached to the inside of the motor frame, and the ring A brushless DC motor characterized by a Hall IC installed on the inner circumference of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16418784U JPS6181777U (en) | 1984-10-30 | 1984-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16418784U JPS6181777U (en) | 1984-10-30 | 1984-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6181777U true JPS6181777U (en) | 1986-05-30 |
Family
ID=30722052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16418784U Pending JPS6181777U (en) | 1984-10-30 | 1984-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6181777U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5264611A (en) * | 1975-09-12 | 1977-05-28 | Plessey Handel Investment Ag | Motor |
-
1984
- 1984-10-30 JP JP16418784U patent/JPS6181777U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5264611A (en) * | 1975-09-12 | 1977-05-28 | Plessey Handel Investment Ag | Motor |
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