JPS63105486U - - Google Patents
Info
- Publication number
- JPS63105486U JPS63105486U JP20255686U JP20255686U JPS63105486U JP S63105486 U JPS63105486 U JP S63105486U JP 20255686 U JP20255686 U JP 20255686U JP 20255686 U JP20255686 U JP 20255686U JP S63105486 U JPS63105486 U JP S63105486U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- poles
- pitch
- pole
- unevenness
- 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 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Brushless Motors (AREA)
Description
第１図は従来の位置検知素子を備えたステツピ
ングモータの斜視図、第２図は本考案第１実施例
の位置検知素子を備えたステツピングモータの一
部切欠分解斜視図、第３図は同ステツピングモー
タの縦断面図、第４図は同ステツピングモータの
第２実施例としてのマグネツトロータの斜視図、
第５図は同ステツピングモータの第３実施例とし
てのマグネツトロータの斜視図、第６図は第３実
施例のステツピングモータの位置検知素子の配設
位置の説明図、第７図は第４実施例のマグネツト
ロータの斜視図である。
１，１′……位置検知素子を備えたステツピン
グモータ、２……回転軸、３，３′，３″，３
，３′′′′……マグネツトロータ、４……回転
子、５……駆動用磁極、６―１，６―２……ステ
ータ電機子、７，７′，７″，７，７′′′′
……磁気エンコーダ磁極、８―１，８―２……磁
気センサ（位置検出用磁気センサ）、９……プリ
ント基板、１０……プリント配電パターン、１１
……出力用リード線、１２，１３……リード線、
１４，１４′，１４″，１４……凹凸、１５，
１６……ステータ電機子、１７……固定子、１８
……，２１……ヨーク、１８ａ……，２１ａ……
ステータ磁極片、２２……コイルボビン、２３…
…ステータコイル、２４，２５……リード線、２
６……内側空胴部、２７……軸受、２８……モー
タ取付け板、２９……プリント基板、３０，３１
……透孔、３２……ビス、３３……磁気センサ支
持部材、３４……磁気エンコーダ用電気回路部品
。
FIG. 1 is a perspective view of a stepping motor equipped with a conventional position detection element, FIG. 2 is a partially cutaway exploded perspective view of a stepping motor equipped with a position detection element according to the first embodiment of the present invention, and FIG. 4 is a longitudinal sectional view of the stepping motor, and FIG. 4 is a perspective view of a magnet rotor as a second embodiment of the stepping motor.
FIG. 5 is a perspective view of a magnet rotor as a third embodiment of the stepping motor, FIG. 6 is an explanatory diagram of the arrangement position of the position detection element of the stepping motor of the third embodiment, and FIG. FIG. 7 is a perspective view of a magnet rotor according to a fourth embodiment. 1, 1'... Stepping motor equipped with a position detection element, 2... Rotating shaft, 3, 3', 3'', 3
, 3''''... Magnetic rotor, 4... Rotor, 5... Drive magnetic pole, 6-1, 6-2... Stator armature, 7, 7', 7'', 7, 7' ′′′
... Magnetic encoder magnetic pole, 8-1, 8-2 ... Magnetic sensor (magnetic sensor for position detection), 9 ... Printed circuit board, 10 ... Printed power distribution pattern, 11
... Output lead wire, 12, 13 ... Lead wire,
14, 14', 14'', 14... unevenness, 15,
16... Stator armature, 17... Stator, 18
......, 21... York, 18a..., 21a...
Stator pole piece, 22... Coil bobbin, 23...
...Stator coil, 24, 25...Lead wire, 2
6... Inner cavity, 27... Bearing, 28... Motor mounting plate, 29... Printed circuit board, 30, 31
... Through hole, 32 ... Screw, 33 ... Magnetic sensor support member, 34 ... Electric circuit component for magnetic encoder.
Claims (1)
の周面にＮ，Ｓの磁極を微細ピツチで２Ｐ（Ｐは
１以上の整数）極にラジアル配向着磁した駆動用
磁極を形成し、該駆動用磁極に対向してステータ
電機子を設け、上記マグネツトロータの端面の外
面または内面に微細なピツチで凹凸を形成し、該
凹凸にＮ極またはＳ極のいずれか一方の磁極を着
磁することで、該凹凸面の着磁極により実質的に
Ｎ，Ｓの磁極を交互に微細間隔で２Ｐ極に軸方向
に着磁したと同様の磁気エンコーダ磁極を形成し
、該磁気エンコーダ磁極に対向して位置検出用磁
気センサを対向配設した、位置検知素子を備えた
ステツピングモータ。 (2) 上記マグネツトロータに形成した磁気エン
コーダ磁極のための凹凸のピツチは、駆動用磁極
の幅と等しいピツチで形成してなる、実用新案登
録請求の範囲第(1)項記載の位置検知素子を備え
たステツピングモータ。 (3) 上記マグネツトロータに形成した磁気エン
コーダ磁極のための凹凸のピツチは、駆動用磁極
の幅よりも細かなピツチで形成してなる、実用新
案登録請求の範囲第(1)項記載の位置検知素子を
備えたステツピングモータ。[Claims for Utility Model Registration] (1) Drive in which N and S magnetic poles are radially oriented and magnetized to 2P (P is an integer greater than or equal to 1) poles with a fine pitch on the circumferential surface of a cup-shaped or cylindrical magnet rotor. A stator armature is provided opposite to the drive magnetic pole, and unevenness is formed at a fine pitch on the outer or inner surface of the end face of the magnet rotor, and the unevenness has either an N pole or an S pole. By magnetizing one of the magnetic poles, magnetic encoder magnetic poles similar to those in which N and S magnetic poles are alternately magnetized in the axial direction as 2P poles at minute intervals are formed using the magnetized poles on the uneven surface. , a stepping motor equipped with a position detection element, in which a position detection magnetic sensor is disposed opposite to the magnetic pole of the magnetic encoder. (2) The position detection according to claim (1) of the utility model registration claim, wherein the pitch of the unevenness for the magnetic encoder magnetic pole formed on the magnet rotor is formed at a pitch equal to the width of the driving magnetic pole. A stepping motor equipped with an element. (3) The pitch of the unevenness for the magnetic encoder magnetic pole formed on the magnet rotor is formed with a pitch finer than the width of the driving magnetic pole, as described in claim (1) of the utility model registration claim. A stepping motor equipped with a position sensing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20255686U JPS63105486U (en) | 1986-12-25 | 1986-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20255686U JPS63105486U (en) | 1986-12-25 | 1986-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63105486U true JPS63105486U (en) | 1988-07-08 |
Family
ID=31167051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20255686U Pending JPS63105486U (en) | 1986-12-25 | 1986-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63105486U (en) |
-
1986
- 1986-12-25 JP JP20255686U patent/JPS63105486U/ja active Pending
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