JPS63120572U - - Google Patents
Info
- Publication number
- JPS63120572U JPS63120572U JP1229687U JP1229687U JPS63120572U JP S63120572 U JPS63120572 U JP S63120572U JP 1229687 U JP1229687 U JP 1229687U JP 1229687 U JP1229687 U JP 1229687U JP S63120572 U JPS63120572 U JP S63120572U
- Authority
- JP
- Japan
- Prior art keywords
- speed detection
- magnet
- rotational speed
- magnetized
- diagram showing
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 8
- 230000005405 multipole Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Dc Machiner (AREA)
Description
第１図は本考案のモータの一実施例の構造を示
す図、第２図は本考案の一実施例のＦＧマグネツ
トに吸引力発生用の多極着磁を行うときの状態を
示す図、第３図は吸引力発生用の多極着磁ヨーク
の構造を示す図、第４図は吸引力発生用の多極着
磁ヨークの平面図、第５図は本考案の一実施例の
ＦＧマグネツトの着磁状態を示す図、第６図は他
の実施例の多極着磁ヨークの平面図、第７図は他
の実施例のＦＧマグネツトの着磁状態を示す図、
第８図は従来のコアレスモータの主要部を示す図
、第９図はそのＦＧマグネツトに単極着磁を行う
ときの状態を示す図、第１０図はそのＦＧマグネ
ツトの着磁状態を示す図、第１１図は回転数検出
用の多極着磁ヨークの平面図である。
１……プリント基板、２……モータケース、３
……嵌合段部、４……支持部、５……回転力用（
ステータ）マグネツト、６，７……軸受、８……
シヤフト、９……コイルホルダ、１０……コイル
、１１，２０……ＦＧ（回転数検出用）マグネツ
ト、１２……ＦＧ（回転数検出用）コイル、１３
……ブラシ、１４……コミユテータ、１５……蓋
体、１６……スラスト軸受、１７……吸引力発生
用の多極着磁ヨーク、１８，２２……巻線、１９
……凸部、２１……多極着磁ヨーク、Ａ……孔。
FIG. 1 is a diagram showing the structure of an embodiment of the motor of the present invention, and FIG. 2 is a diagram illustrating the state when the FG magnet of the embodiment of the present invention is subjected to multi-pole magnetization for generating attractive force. Fig. 3 is a diagram showing the structure of a multi-polar magnetized yoke for generating attractive force, Fig. 4 is a plan view of the multi-polar magnetized yoke for generating attractive force, and Fig. 5 is an FG of an embodiment of the present invention. A diagram showing the magnetized state of the magnet, FIG. 6 is a plan view of a multi-pole magnetized yoke of another embodiment, and FIG. 7 is a diagram showing the magnetized state of the FG magnet of another embodiment.
Fig. 8 is a diagram showing the main parts of a conventional coreless motor, Fig. 9 is a diagram showing the state when the FG magnet is magnetized as a single pole, and Fig. 10 is a diagram showing the state of magnetization of the FG magnet. , FIG. 11 is a plan view of a multi-pole magnetized yoke for rotational speed detection. 1...Printed circuit board, 2...Motor case, 3
……Fitting stepped portion, 4… Supporting portion, 5… For rotational force (
Stator) Magnet, 6, 7...Bearing, 8...
Shaft, 9... Coil holder, 10... Coil, 11, 20... FG (for rotation speed detection) magnet, 12... FG (for rotation speed detection) coil, 13
... Brush, 14 ... Commutator, 15 ... Lid, 16 ... Thrust bearing, 17 ... Multipolar magnetized yoke for generating attractive force, 18, 22 ... Winding wire, 19
... Convex portion, 21 ... Multipolar magnetized yoke, A ... Hole.
Claims (1)
有するプリント基板と、この回転数検出用コイル
と対向する回転数検出用マグネツトとを設けたモ
ータであつて、この回転数検出用マグネツトに径
方向に着磁したことを特徴とするモータ。 The motor is equipped with a rotational force magnet, a printed circuit board having a rotational speed detection coil, and a rotational speed detection magnet facing the rotational speed detection coil, the rotational speed detection magnet having a radial direction. A motor characterized by being magnetized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1229687U JPS63120572U (en) | 1987-01-30 | 1987-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1229687U JPS63120572U (en) | 1987-01-30 | 1987-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63120572U true JPS63120572U (en) | 1988-08-04 |
Family
ID=30800293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1229687U Pending JPS63120572U (en) | 1987-01-30 | 1987-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63120572U (en) |
-
1987
- 1987-01-30 JP JP1229687U patent/JPS63120572U/ja active Pending
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