JPH0370061U - - Google Patents
Info
- Publication number
- JPH0370061U JPH0370061U JP13031089U JP13031089U JPH0370061U JP H0370061 U JPH0370061 U JP H0370061U JP 13031089 U JP13031089 U JP 13031089U JP 13031089 U JP13031089 U JP 13031089U JP H0370061 U JPH0370061 U JP H0370061U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- motor
- encoder
- drum
- end plate
- 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
- 239000000696 magnetic material Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Description
第１図は本考案にかかるエンコーダ付きモータ
の一実施例を示す断面側面図、第２図は本考案に
かかるエンコーダ付きモータの別の実施例を示す
断面側面図、第３図は上記各実施例中のエンコー
ダの例を示す斜視図、第４図は同上エンコーダ中
の磁気センサの例を示す斜視図、第５図は同上磁
気センサの検出回路の例を示す回路図、第６図は
上記磁気センサの出力を磁気ノイズの影響を受け
た場合と受けない場合とに分けて示す線図、第７
図は上記エンコーダの出力を磁気ノイズの影響を
受けた場合と受けない場合とに分けて示す波形図
、第８図は従来のエンコーダ付きモータの例を示
す断面側面図である。
１……モータ、２……モータケース、３……端
板、４……回転軸、５……磁気エンコーダ、６…
…磁気ドラム、７……磁気センサ、９……エンコ
ーダケース、１５……磁気抵抗素子。
FIG. 1 is a cross-sectional side view showing one embodiment of a motor with an encoder according to the present invention, FIG. 2 is a cross-sectional side view showing another embodiment of the motor with an encoder according to the present invention, and FIG. 3 is a cross-sectional side view showing each of the above embodiments. FIG. 4 is a perspective view showing an example of the magnetic sensor in the above encoder, FIG. 5 is a circuit diagram showing an example of the detection circuit of the above magnetic sensor, and FIG. 6 is the above example. Diagram 7 showing the output of the magnetic sensor divided into cases where it is affected by magnetic noise and cases where it is not affected by magnetic noise.
The figure is a waveform diagram showing the output of the encoder when it is affected by magnetic noise and when it is not affected by magnetic noise, and FIG. 8 is a cross-sectional side view showing an example of a conventional motor with an encoder. 1... Motor, 2... Motor case, 3... End plate, 4... Rotating shaft, 5... Magnetic encoder, 6...
...Magnetic drum, 7...Magnetic sensor, 9...Encoder case, 15...Magnetic resistance element.
Claims (1)
た磁気センサとを有する磁気エンコーダがモータ
に組み付けられてなるエンコーダ付きモータにお
いて、 上記モータは、少なくとも回転軸方向一端側が
磁性材の端板で形成されたモータケースを有し、 上記磁気エンコーダは、モータケースの上記磁
性材の端板側に固定された磁性材のエンコーダケ
ースを有し、 上記磁気ドラムは、周面に磁気信号が着磁記録
されると共にモータによつて回転駆動されるもの
であり、 上記磁気センサは、上記回転軸方向に形成され
た磁気抵抗素子を有してなるエンコーダ付きモー
タ。[Claims for Utility Model Registration] An encoder-equipped motor in which a magnetic encoder having a magnetic drum and a magnetic sensor disposed opposite to the magnetic drum is assembled into the motor, wherein at least one end in the direction of the rotational axis of the motor is magnetic. The magnetic encoder has an encoder case made of a magnetic material fixed to the end plate of the magnetic material of the motor case, and the magnetic drum has a motor case formed of an end plate of the magnetic material. A motor with an encoder, wherein a magnetic signal is magnetized and recorded and is rotationally driven by a motor, wherein the magnetic sensor has a magnetoresistive element formed in the direction of the rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13031089U JPH0370061U (en) | 1989-11-08 | 1989-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13031089U JPH0370061U (en) | 1989-11-08 | 1989-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0370061U true JPH0370061U (en) | 1991-07-12 |
Family
ID=31677895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13031089U Pending JPH0370061U (en) | 1989-11-08 | 1989-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0370061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008219995A (en) * | 2007-03-01 | 2008-09-18 | Nippon Densan Corp | Motor |
| JP2018042332A (en) * | 2016-09-06 | 2018-03-15 | 日本電産サンキョー株式会社 | motor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62225909A (en) * | 1986-03-27 | 1987-10-03 | Nikon Corp | Magnetic rotary encoder |
-
1989
- 1989-11-08 JP JP13031089U patent/JPH0370061U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62225909A (en) * | 1986-03-27 | 1987-10-03 | Nikon Corp | Magnetic rotary encoder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008219995A (en) * | 2007-03-01 | 2008-09-18 | Nippon Densan Corp | Motor |
| JP2018042332A (en) * | 2016-09-06 | 2018-03-15 | 日本電産サンキョー株式会社 | motor |
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