JPS59138377U - Disc type semiconductor motor with absolute encoder - Google Patents
Disc type semiconductor motor with absolute encoderInfo
- Publication number
- JPS59138377U JPS59138377U JP2895383U JP2895383U JPS59138377U JP S59138377 U JPS59138377 U JP S59138377U JP 2895383 U JP2895383 U JP 2895383U JP 2895383 U JP2895383 U JP 2895383U JP S59138377 U JPS59138377 U JP S59138377U
- Authority
- JP
- Japan
- Prior art keywords
- absolute encoder
- rotor
- type semiconductor
- absolute
- colored
- 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
Landscapes
- Brushless Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の第一実施例としてのディスク型半導モ
ータの縦断面図、第２図は電機子コイルの正面図、第３
図は円環状ヨークの上面に形成されたアブソリュートエ
ンコーダの平面図、第４図は界磁マグネットの平面図、
第５図は界磁マグネットと電機子コイルとの展開図、第
６図は本考案の第二実施例としてのディスク型半導体モ
ータの縦断面図、第７図は第６図の電機子コイル面の平
面図、第８図は第二実施例における一例としての界磁マ
グネットと電機子コイルとの展開図、第９図は第６図に
用いた６極の界磁マグネットの平面図、第１０図は本考
案第三実施例における界磁マ＝グネット、電機子コイル
及びアブソリュートエンコーダとの展開図、第１１図は
第１０図の転流回路、第１２図は第１０図の半導体モー
タの駆動操作用ブロック図、第１３区は第１２図のシフ
トレジスタ部を示す。
Ｍ、 Ｍ’・・・ディスク型半導体モータ、１・・・カ
ップ体、２，３・・・軸受、４・・・磁性体ヨーク、５
・・・回転軸、６・・・界磁マグネット、７・・・中心
透孔部、８・・・円環状ヨーク、９ａ、 ９ｂ・・・彩
色部、１０・・・彩色面、１１・・・電機子コイル、ｌ
ｌａ・・・発生トルクに寄与する半径方向の導体部、１
２・・・基板、１３・・・発光素子、１４・・・光導電
変換素子、１５−１゜・・・、１５−４・・・ラオトリ
フレクタ、１６−１・・・プラス電源端子、１６−２・
・・マイナス電源端子、１７・・・半導体整流装置、１
８・・・位置検知素子、１９．２０．２１・・・点線囲
い部、２２・・・情報、２３・・・転流タイミング情報
、２６・・・正逆転回路、２７・・・正逆転情報、２８
・・・駆動回路、２９・・・デマルチプレクサ回路、３
０・・・シフトレジスタ回路、第７図
１１−１、
１−３Fig. 1 is a longitudinal sectional view of a disk-type semiconductor motor as a first embodiment of the present invention, Fig. 2 is a front view of the armature coil, and Fig.
The figure is a plan view of the absolute encoder formed on the top surface of the annular yoke, and Figure 4 is a plan view of the field magnet.
Fig. 5 is a developed view of the field magnet and armature coil, Fig. 6 is a longitudinal sectional view of a disk-type semiconductor motor as a second embodiment of the present invention, and Fig. 7 is the armature coil surface of Fig. 6. , FIG. 8 is a developed view of the field magnet and armature coil as an example of the second embodiment, FIG. 9 is a plan view of the six-pole field magnet used in FIG. 6, and FIG. The figure is a developed view of the field magnet, armature coil, and absolute encoder in the third embodiment of the present invention, Figure 11 is the commutation circuit of Figure 10, and Figure 12 is the drive of the semiconductor motor of Figure 10. Section 13 of the operation block diagram shows the shift register section of FIG. 12. M, M'... Disk type semiconductor motor, 1... Cup body, 2, 3... Bearing, 4... Magnetic material yoke, 5
... Rotating shaft, 6... Field magnet, 7... Center through-hole part, 8... Annular yoke, 9a, 9b... Colored part, 10... Colored surface, 11...・Armature coil, l
la: radial conductor portion that contributes to generated torque, 1
2... Substrate, 13... Light emitting element, 14... Photoconductive conversion element, 15-1°..., 15-4... Rao reflector, 16-1... Plus power terminal, 16 -2・
... Negative power supply terminal, 17 ... Semiconductor rectifier, 1
8... Position detection element, 19.20.21... Dotted line enclosure, 22... Information, 23... Commutation timing information, 26... Forward/reverse circuit, 27... Forward/reverse information , 28
... Drive circuit, 29 ... Demultiplexer circuit, 3
0...Shift register circuit, Figure 7 11-1, 1-3
Claims (1)
上の正の整数）極右するフラットな円環状の界磁マグネ
ットを回転子とし、該回転子と相対向する固定側位置に
上記界磁マグネットの磁極幅の略２ｎ−１（ｎは１以上
の正の整数）倍の開角幅に巻回形成した電機子呂イルを
２以上配設し、上記回転子に反射率の異なる２種以上の
彩色部を周方向に交互に施すことによりアブソリュート
エンニーダを形成し、上記彩色部に投光する発光素子と
該彩色部からの反射光を受光する光導電変換素子とを固
定側に設けたことを特徴とするアブソリュートエンコー
ダを有するディスク型半導体モータ。 ２−上記反射率の異なる２種以上の彩色部を周方向に交
互に施すことにより形成したアブソリュートエンコーダ
は、回転子の半径方向に複数段設け、上記半径方向に複
数段設けたアブソリュートエンコーダの彩色部の間隔は
回転子の半径方向に設けた他のアブソリュートエンコー
ダの彩色部の間隔幅と異なるように形成してなることを
特徴とする実用新案登録請求の範囲第１項記載のアブソ
リュートエンコーダを有するディスク型半導体モータ。[Claims for Utility Model Registration] I The rotor is a flat annular field magnet with N and S magnetic poles arranged at equal intervals of 2 p (p is a positive integer of 1 or more). Two or more armature coils are arranged on the fixed side facing the child and are wound with an opening angle width approximately 2n-1 (n is a positive integer of 1 or more) times the magnetic pole width of the field magnet. An absolute enneader is formed by alternately applying two or more colored parts having different reflectances to the rotor in the circumferential direction, and a light emitting element emits light to the colored part and light reflected from the colored part. A disk-type semiconductor motor having an absolute encoder, characterized in that a photoconductive conversion element for receiving light is provided on a fixed side. 2-An absolute encoder formed by applying two or more types of colored parts having different reflectances alternately in the circumferential direction is provided in multiple stages in the radial direction of the rotor, and the coloring of the absolute encoder provided in multiple stages in the radial direction is The absolute encoder according to claim 1 of the utility model registration is characterized in that the interval between the colored parts is different from the interval width of the colored parts of other absolute encoders provided in the radial direction of the rotor. Disc type semiconductor motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2895383U JPS59138377U (en) | 1983-03-02 | 1983-03-02 | Disc type semiconductor motor with absolute encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2895383U JPS59138377U (en) | 1983-03-02 | 1983-03-02 | Disc type semiconductor motor with absolute encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59138377U true JPS59138377U (en) | 1984-09-14 |
Family
ID=30159818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2895383U Pending JPS59138377U (en) | 1983-03-02 | 1983-03-02 | Disc type semiconductor motor with absolute encoder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59138377U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62213537A (en) * | 1986-03-14 | 1987-09-19 | Fanuc Ltd | Rotor rotational position detector for motor |
| JPS631357A (en) * | 1986-06-19 | 1988-01-06 | Sony Corp | Detector for number of revolutions of motor |
| JPH0290017A (en) * | 1988-09-28 | 1990-03-29 | Yaskawa Electric Mfg Co Ltd | Multi-rotation-type absolute value encoder |
| JP2020511926A (en) * | 2017-03-24 | 2020-04-16 | モース, デヴィッドMORSE, David | Axial flux motor with built-in optical encoder |
-
1983
- 1983-03-02 JP JP2895383U patent/JPS59138377U/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62213537A (en) * | 1986-03-14 | 1987-09-19 | Fanuc Ltd | Rotor rotational position detector for motor |
| JPS631357A (en) * | 1986-06-19 | 1988-01-06 | Sony Corp | Detector for number of revolutions of motor |
| JPH0290017A (en) * | 1988-09-28 | 1990-03-29 | Yaskawa Electric Mfg Co Ltd | Multi-rotation-type absolute value encoder |
| JP2020511926A (en) * | 2017-03-24 | 2020-04-16 | モース, デヴィッドMORSE, David | Axial flux motor with built-in optical encoder |
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