JPH0370060U - - Google Patents
Info
- Publication number
- JPH0370060U JPH0370060U JP13030989U JP13030989U JPH0370060U JP H0370060 U JPH0370060 U JP H0370060U JP 13030989 U JP13030989 U JP 13030989U JP 13030989 U JP13030989 U JP 13030989U JP H0370060 U JPH0370060 U JP H0370060U
- Authority
- JP
- Japan
- Prior art keywords
- encoder
- magnetic
- motor
- end plate
- case
- 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.)
- Granted
Links
- 239000000696 magnetic material Substances 0.000 claims description 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
の一実施例を概念的に示す断面側面図、第２図は
同上実施例をより具体的に示す一部断面側面図、
第３図は本考案にかかるエンコーダ付きモータの
別の実施例の要部を概念的に示す断面側面図、第
４図は本考案にかかるエンコーダ付きモータのさ
らに別の実施例を概念的に示す断面側面図、第５
図は上記各実施例中のエンコーダの例を示す斜視
図、第６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７図は同上磁気センサの検出回
路の例を示す回路図、第８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９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１０図は従来
のエンコーダ付きモータの例を概念的に示す断面
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、８，１３，１
４……非磁性材で構成された回転軸、９……エン
コーダケース。
FIG. 1 is a cross-sectional side view conceptually showing an embodiment of a motor with an encoder according to the present invention, and FIG. 2 is a partial cross-sectional side view showing the same embodiment more specifically.
FIG. 3 is a cross-sectional side view conceptually showing the main parts of another embodiment of the motor with an encoder according to the present invention, and FIG. 4 conceptually shows still another embodiment of the motor with an encoder according to the present invention. Sectional side view, 5th
FIG. 6 is a perspective view showing an example of the encoder in each of the above embodiments, FIG. 6 is a perspective view showing an example of the magnetic sensor in the above encoder, and FIG. 7 is a circuit diagram showing an example of the detection circuit of the above magnetic sensor. Fig. 8 is a diagram showing the output of the above magnetic sensor when it is affected by magnetic noise and when it is not affected by magnetic noise, and Fig. 9 is a diagram showing the output of the above encoder when it is affected by magnetic noise and when it is not affected by magnetic noise. FIG. 10 is a cross-sectional side view conceptually showing an example of a conventional encoder-equipped motor. 1... Motor, 2... Motor case, 3... End plate, 4... Rotating shaft, 5... Magnetic encoder, 6...
...Magnetic drum, 7...Magnetic sensor, 8, 13, 1
4... Rotating shaft made of non-magnetic material, 9... Encoder case.
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、モータケースと、このモータケ
ースの一端に固定された端板と、この端板から一
端部が突出した回転軸とを有し、 上記磁気エンコーダは、上記端板に固定された
磁性材からなるエンコーダケースに収納され、 上記磁気エンコーダの磁気ドラムは、上記回転
軸の回転に伴つて回転駆動されるものであり、 上記回転軸は、少なくとも上記エンコーダケー
ス内での一部が非磁性材により構成されているこ
とを特徴とす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 to the motor, the motor comprising: a motor case; The magnetic encoder has an end plate fixed to one end and a rotating shaft with one end protruding from the end plate, and the magnetic encoder is housed in an encoder case made of a magnetic material fixed to the end plate, and the magnetic encoder The magnetic drum of the encoder is driven to rotate with the rotation of the rotary shaft, and the rotary shaft is characterized in that at least a portion within the encoder case is made of a non-magnetic material. Motor with encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989130309U JP2540836Y2 (en) | 1989-11-08 | 1989-11-08 | Motor with encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989130309U JP2540836Y2 (en) | 1989-11-08 | 1989-11-08 | Motor with encoder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0370060U true JPH0370060U (en) | 1991-07-12 |
| JP2540836Y2 JP2540836Y2 (en) | 1997-07-09 |
Family
ID=31677894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989130309U Expired - Fee Related JP2540836Y2 (en) | 1989-11-08 | 1989-11-08 | Motor with encoder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2540836Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017017826A (en) * | 2015-06-30 | 2017-01-19 | 日本電産サンキョー株式会社 | Motor with brake |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970165A (en) * | 1982-10-14 | 1984-04-20 | Fanuc Ltd | Motor with dc brake |
| JPS62225909A (en) * | 1986-03-27 | 1987-10-03 | Nikon Corp | Magnetic rotary encoder |
-
1989
- 1989-11-08 JP JP1989130309U patent/JP2540836Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970165A (en) * | 1982-10-14 | 1984-04-20 | Fanuc Ltd | Motor with dc brake |
| JPS62225909A (en) * | 1986-03-27 | 1987-10-03 | Nikon Corp | Magnetic rotary encoder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017017826A (en) * | 2015-06-30 | 2017-01-19 | 日本電産サンキョー株式会社 | Motor with brake |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2540836Y2 (en) | 1997-07-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |