JP2003348798A - Structure of rotary machine - Google Patents
Structure of rotary machineInfo
- Publication number
- JP2003348798A JP2003348798A JP2002152074A JP2002152074A JP2003348798A JP 2003348798 A JP2003348798 A JP 2003348798A JP 2002152074 A JP2002152074 A JP 2002152074A JP 2002152074 A JP2002152074 A JP 2002152074A JP 2003348798 A JP2003348798 A JP 2003348798A
- Authority
- JP
- Japan
- Prior art keywords
- encoder
- height
- printed circuit
- circuit board
- motor
- 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.)
- Withdrawn
Links
Landscapes
- Optical Transform (AREA)
- Brushless Motors (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、回転機構造に関
し、特に、モータに取付けたエンコーダ内のプリント基
板の高さをモータケースの高さよりも高くすると共に、
プリント基板の枚数を従来よりも減らし、エンコーダの
軸方向長さを短縮させるための新規な改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotating machine structure, and more particularly, to making a printed circuit board in an encoder attached to a motor higher than a motor case.
The present invention relates to a novel improvement for reducing the number of printed circuit boards as compared with the related art and shortening the axial length of an encoder.
【０００２】[0002]
【従来の技術】従来、用いられていたこの種の回転機構
造としては、一般に、図２で示される構成が採用されて
いた。すなわち、図２において符号１で示されるものは
ＤＣモータ等のモータであり、このモータ１のモータケ
ース１Ａの後端１ａにはエンコーダ２が設けられてい
る。2. Description of the Related Art Conventionally, a structure shown in FIG. 2 has been employed as this kind of rotating machine structure which has been used. That is, a motor denoted by reference numeral 1 in FIG. 2 is a motor such as a DC motor, and an encoder 2 is provided at a rear end 1a of a motor case 1A of the motor 1.
【０００３】前記エンコーダ２内に突出する前記モータ
１の回転軸３の端部には、エンコーダ軸としての延長軸
部４が接続され、この延長軸部４の端部には回転符号を
有する回転円板５が設けられている。前記エンコーダ２
内に設けられ軸方向に沿って配設された支柱６には、軸
方向に間隔をおいて第１、第２、第３プリント基板７、
８、９が配設されている。An end of a rotating shaft 3 of the motor 1 protruding into the encoder 2 is connected to an extension shaft 4 as an encoder shaft. A disk 5 is provided. The encoder 2
The first, second, and third printed circuit boards 7 are provided at intervals in the axial direction on the support columns 6 provided in the inside and arranged along the axial direction.
8, 9 are provided.
【０００４】前記第１プリント基板７には内側へ向けて
発光体１０が設けられ、前記第２プリント基板８には前
記回転円板５及び発光体１０に対向するように受光体１
１が設けられている。前記第２プリント基板８に形成さ
れた貫通孔１２には、前記延長軸部４が貫通して回転自
在に設けられており、前記第３プリント基板９には、信
号を出入りさせるためのコネクタ１３が設けられてい
る。A light emitting body 10 is provided on the first printed circuit board 7 toward the inside, and a light receiving body 1 is provided on the second printed circuit board 8 so as to face the rotating disk 5 and the light emitting body 10.
1 is provided. The extended shaft portion 4 is rotatably provided through a through hole 12 formed in the second printed circuit board 8, and a connector 13 for transmitting and receiving signals to and from the third printed circuit board 9 is provided. Is provided.
【０００５】[0005]
【発明が解決しようとする課題】従来の回転機構造は、
以上のように構成されていたため、次のような課題が存
在していた。すなわち、エンコーダ内に配設された各プ
リント基板は、エンコーダの高さをモータのモータケー
スの高さにほぼ揃えていたため、電子部品の実装面積の
関係上、各プリント基板の枚数が多く、そのためにエン
コーダの軸方向長さを短縮化することが難しく、モータ
エンコーダとしては軸方向が長くなっていた。また、狭
いエンコーダ内に多くのプリント基板が内設されていた
ため、各プリント基板の実装用面積は小さく、そのた
め、多くの実装部品を実装することが難しく、生産性お
よび信頼性の向上が困難であった。The conventional rotary machine structure is as follows.
Because of the configuration described above, the following problems exist. That is, since each printed circuit board disposed in the encoder had the height of the encoder substantially equal to the height of the motor case of the motor, the number of each printed circuit board was large due to the mounting area of the electronic components. However, it is difficult to shorten the axial length of the encoder, and the axial direction of the motor encoder is long. Also, since many printed circuit boards are installed in a narrow encoder, the mounting area of each printed circuit board is small, so it is difficult to mount many mounted components, and it is difficult to improve productivity and reliability. there were.
【０００６】本発明は、以上のような課題を解決するた
めになされたもので、特に、モータに取付けたエンコー
ダ内のプリント基板の高さをモータケースの高さよりも
高くすると共に、プリント基板の枚数を従来よりも減ら
し、エンコーダの軸方向長さを短縮させるようにした回
転機構造を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems. In particular, the height of a printed board in an encoder attached to a motor is made higher than the height of a motor case, and the height of the printed board is reduced. It is an object of the present invention to provide a rotating machine structure in which the number of sheets is reduced as compared with the related art, and the axial length of the encoder is reduced.
【０００７】[0007]
【課題を解決するための手段】本発明による回転機構造
は、モータのモータケースの後端にエンコーダを取付
け、前記モータの回転軸の延長軸部に前記エンコーダの
回転円板を取付けた構成よりなる回転機構造において、
前記エンコーダに設けられ発光体を有する第１プリント
基板と、前記第１プリント基板と対向して設けられ受光
体を有する第２プリント基板とを有し、前記エンコーダ
の第１高さは前記モータケースの第２高さより高く、前
記第１、第２プリント基板の第３高さは前記第２高さよ
り高くした構成であり、また、前記第２プリント基板に
は、前記延長軸部が貫通するための貫通孔が形成されて
いる構成である。The rotary machine structure according to the present invention has a structure in which an encoder is mounted on a rear end of a motor case of a motor, and a rotary disk of the encoder is mounted on an extension shaft of a rotary shaft of the motor. In the rotating machine structure
A first printed circuit board having a light emitter provided on the encoder; and a second printed circuit board having a light receiver provided opposite to the first printed circuit board, wherein a first height of the encoder is the motor case. And the third height of the first and second printed boards is higher than the second height, and the extension shaft portion passes through the second printed board. Are formed.
【０００８】[0008]
【発明の実施の形態】以下、図面と共に本発明による回
転機構造の好適な実施の形態について説明する。尚、従
来例と同一又は同等部分には同一符号を付して説明す
る。図１において符号１で示されるものはＤＣモータ等
のモータであり、このモータ１の後端１ａにはエンコー
ダ２が設けられている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the rotating machine structure according to the present invention will be described below with reference to the drawings. The same or equivalent parts as those in the conventional example will be described with the same reference numerals. 1 is a motor such as a DC motor, and an encoder 2 is provided at a rear end 1a of the motor 1.
【０００９】前記エンコーダ２内に突出する前記モータ
１の回転軸３の端部には、エンコーダ軸としての延長軸
部４が接続され、この延長軸部４の端部には回転符号を
有する回転円板５が設けられている。前記エンコーダ２
内に設けられ軸方向に沿って配設された支柱６には、軸
方向に間隔をおいて第１、第２プリント基板７、８が配
設されている。An extension shaft 4 as an encoder shaft is connected to an end of the rotation shaft 3 of the motor 1 protruding into the encoder 2, and a rotation code having a rotation code is attached to the end of the extension shaft 4. A disk 5 is provided. The encoder 2
The first and second printed circuit boards 7 and 8 are arranged at intervals in the axial direction on the column 6 provided inside and arranged along the axial direction.
【００１０】前記第１プリント基板７には内側へ向けて
発光体１０が設けられ、前記第２プリント基板８には前
記回転円板５及び発光体１０に対向するように受光体１
１が設けられている。前記第２プリント基板８に形成さ
れた貫通孔１２には、前記延長軸部４が貫通して回転自
在に設けられており、前記第２プリント基板８の一面に
は信号を出入りさせるためのコネクタ１３が設けられて
いる。A luminous body 10 is provided on the first printed circuit board 7 toward the inside, and a light receiving body 1 is provided on the second printed circuit board 8 so as to face the rotating disk 5 and the luminous body 10.
1 is provided. The extension shaft portion 4 is rotatably provided through a through hole 12 formed in the second printed circuit board 8, and a connector for allowing a signal to enter and exit from one surface of the second printed circuit board 8. 13 are provided.
【００１１】前記エンコーダ２の高さを示す第１高さＨ
１は、前記モータ１の高さを示す第２高さＨ２よりも十
分に高く、このエンコーダ２内の第１、第２プリント基
板７、８の高さを示す第３高さＨ３は前記第２高さＨ２
よりも十分に高く設定されている。A first height H indicating the height of the encoder 2
1 is sufficiently higher than a second height H2 indicating the height of the motor 1, and a third height H3 indicating the height of the first and second printed circuit boards 7, 8 in the encoder 2 is equal to the third height H3. 2 height H2
It is set much higher than.
【００１２】従って、エンコーダ２の軸方向長さは従来
構成よりも大幅に短縮され、プリント基板７、８の枚数
も減らすことができ、プリント基板７、８の１枚当りの
実装部品を実装するための実装面積が従来よりも大とな
り、各部品を余裕をもって実装することができる。Therefore, the axial length of the encoder 2 is greatly reduced as compared with the conventional configuration, the number of the printed boards 7 and 8 can be reduced, and the mounting parts per one of the printed boards 7 and 8 are mounted. Mounting area becomes larger than before, and each component can be mounted with a margin.
【００１３】[0013]
【発明の効果】本発明による回転機構造は、以上のよう
に構成されているため、次のような効果を得ることがで
きる。すなわち、エンコーダの軸方向長さが短縮され、
各プリント基板の高さが従来よりも高く構成されている
ため、各プリント基板当りの実装部品の実装面積が従来
よりも増大し、各実装部品の実装が容易となり、生産性
及び信頼性の向上が得られる。また、軸方向長さが短く
なるため、他の装置への取付けが容易となる。Since the rotating machine structure according to the present invention is constructed as described above, the following effects can be obtained. That is, the axial length of the encoder is reduced,
Since the height of each printed circuit board is configured higher than before, the mounting area of mounted components per printed circuit board is larger than before, making it easier to mount each mounted component and improving productivity and reliability. Is obtained. Further, since the length in the axial direction is shortened, attachment to other devices becomes easy.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明による回転機構造を示す断面構成図であ
る。FIG. 1 is a sectional view showing the structure of a rotating machine according to the present invention.
【図２】従来構成を示す断面構成図である。FIG. 2 is a cross-sectional configuration diagram showing a conventional configuration.
１ モータ １Ａ モータケース １ａ 後端 ２ エンコーダ ３ 回転軸 ４ 延長軸部 ５ 回転円板 ７ 第１プリント基板 ８ 第２プリント基板 １０ 発光体 １１ 受光体 Ｈ１ 第１高さ Ｈ２ 第２高さ Ｈ３ 第３高さ 1 motor 1A Motor case 1a Rear end 2 Encoder 3 Rotation axis 4 Extension shaft 5 Rotating disk 7 First printed circuit board 8 Second printed circuit board 10 luminous body 11 Photoreceptor H1 First height H2 2nd height H3 3rd height
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 2F103 BA43 CA02 DA01 DA13 EB27 EB33 GA02 GA15 5H019 AA08 BB01 BB02 BB08 BB15 BB27 5H611 AA01 BB01 BB07 BB08 PP05 QQ01 QQ03 RR05 UA04 ────────────────────────────────────────────────── ─── Continuation of front page F term (reference) 2F103 BA43 CA02 DA01 DA13 EB27 EB33 GA02 GA15 5H019 AA08 BB01 BB02 BB08 BB15 BB27 5H611 AA01 BB01 BB07 BB08 PP05 QQ01 QQ03 RR05 UA04
Claims (2)
a)にエンコーダ(2)を取付け、前記モータ(1)の回転軸
(3)の延長軸部(4)に前記エンコーダ(2)の回転円板(5)を
取付けた構成よりなる回転機構造において、 前記エンコーダ(2)に設けられ発光体(10)を有する第１
プリント基板(7)と、前記第１プリント基板(7)と対向し
て設けられ受光体(11)を有する第２プリント基板(8)と
を有し、前記エンコーダ(2)の第１高さ(H1)は前記モー
タケース(1A)の第２高さ(H2)より高く、前記第１、第２
プリント基板(7,8)の第３高さ(H3)は前記第２高さ(H2)
より高く構成されていることを特徴とする回転機構造。The rear end (1) of a motor case (1A) of a motor (1) is provided.
a) Attach the encoder (2) to the rotary shaft of the motor (1).
In the rotating machine structure having a configuration in which the rotary disk (5) of the encoder (2) is attached to the extension shaft portion (4) of (3), a rotary machine having a light emitting body (10) provided in the encoder (2) is provided. 1
A printed circuit board (7), a second printed circuit board (8) having a photoreceptor (11) provided facing the first printed circuit board (7), and a first height of the encoder (2). (H1) is higher than the second height (H2) of the motor case (1A),
The third height (H3) of the printed circuit board (7, 8) is the second height (H2).
A rotating machine structure characterized by being configured higher.
長軸部(4)が貫通するための貫通孔(12)が形成されてい
ることを特徴とする請求項１記載の回転機構造。2. The rotary machine according to claim 1, wherein the second printed circuit board has a through hole through which the extension shaft portion passes. Construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002152074A JP2003348798A (en) | 2002-05-27 | 2002-05-27 | Structure of rotary machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002152074A JP2003348798A (en) | 2002-05-27 | 2002-05-27 | Structure of rotary machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003348798A true JP2003348798A (en) | 2003-12-05 |
Family
ID=29769487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002152074A Withdrawn JP2003348798A (en) | 2002-05-27 | 2002-05-27 | Structure of rotary machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003348798A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012105400A (en) * | 2010-11-08 | 2012-05-31 | Yaskawa Electric Corp | Motor with encoder and encoder for motor |
-
2002
- 2002-05-27 JP JP2002152074A patent/JP2003348798A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012105400A (en) * | 2010-11-08 | 2012-05-31 | Yaskawa Electric Corp | Motor with encoder and encoder for motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20050802 |