JPH1194593A - Rotary encoder - Google Patents
Rotary encoderInfo
- Publication number
- JPH1194593A JPH1194593A JP27340997A JP27340997A JPH1194593A JP H1194593 A JPH1194593 A JP H1194593A JP 27340997 A JP27340997 A JP 27340997A JP 27340997 A JP27340997 A JP 27340997A JP H1194593 A JPH1194593 A JP H1194593A
- Authority
- JP
- Japan
- Prior art keywords
- rotary encoder
- circuit board
- choke coil
- hole
- control circuit
- 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.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ロータリエンコー
ダの構造に関するものである。The present invention relates to a structure of a rotary encoder.
【０００２】[0002]
【従来の技術】従来のロータリエンコーダは図２に示す
ように構成されている。図において、２０はチョークコ
イルユニットで、トロイダルコア２１とこのトロイダル
コア２１に巻装した巻線２２と、このトロイダルコア２
１を載置するベース２３と、前記ベース２３に取付けら
れ前記巻線２２の端部を接続する出力端子２４とより構
成されている。このように構成したチョークコイルユニ
ット２Ｏをロータリエンコーダの回路基板２５に取付
け、ノイズを防止している。このようなチョークコイル
ユニット２０を回路基板２５に取付けるときは、回路基
板２５に前記チョークコイルユニット２０の出力端子２
４に合致するスルホール２６をプリント配線して設けて
おき、このスルホール２６にチョークコイルユニット２
０の出力端子２４を挿入してスルホール２６にハンダ付
けして取付けていた。2. Description of the Related Art A conventional rotary encoder is configured as shown in FIG. In the figure, reference numeral 20 denotes a choke coil unit, which is a toroidal core 21, a winding 22 wound around the toroidal core 21, and a toroidal core 2.
1, and an output terminal 24 attached to the base 23 and connecting an end of the winding 22. The choke coil unit 20 configured as described above is mounted on the circuit board 25 of the rotary encoder to prevent noise. When such a choke coil unit 20 is mounted on the circuit board 25, the output terminal 2 of the choke coil unit 20 is attached to the circuit board 25.
4 is provided by printed wiring, and the choke coil unit 2 is provided in the through hole 26.
0 output terminal 24 was inserted and soldered to the through hole 26.
【０００３】[0003]
【発明を解決しようとする課題】ところが、従来のロー
タリエンコーダの回路基板２５はチョークコイルユニッ
ト２０が大形であり、プリント基板上の大きなスペース
を必要とするほか、チョークコイルユニット２０が高価
であり、取付け作業が煩雑であった。そこで、本発明
は、大きなスペースを要することなく、安価で取付け作
業を簡単にすることを目的とする。However, the circuit board 25 of the conventional rotary encoder has a large choke coil unit 20 and requires a large space on a printed circuit board, and the choke coil unit 20 is expensive. , Installation work was complicated. Therefore, an object of the present invention is to provide an inexpensive and simple mounting operation without requiring a large space.
【０００４】[0004]
【課題を解決するための手段】上記問題を解決するた
め、本発明はロータリエンコーダの制御回路を塔載する
回路基板にノイズをカットするチョークコイルを備えた
ロータリエンコーダにおいて、前記チョークコイルを、
２つの穴部を設けたロータリエンコーダの回路基板と、
前記各々の穴部を囲み渦巻き状にプリント配線して形成
し前記ロータリエンコーダの制御回路に接続したコイル
と、略コ字状に形成した２つのカットコアを、前記回路
基板の上下からその脚部をそれぞれ対向させて前記脚部
が前記穴部を貫通するように固定したコアとから構成し
たことを特徴とするロータリエンコーダ。In order to solve the above-mentioned problems, the present invention provides a rotary encoder having a choke coil for cutting noise on a circuit board on which a control circuit of the rotary encoder is mounted.
A circuit board of a rotary encoder having two holes,
A coil connected to the control circuit of the rotary encoder and formed by spirally printing and surrounding each of the holes, and two cut cores formed in a substantially U-shape are provided with leg portions from above and below the circuit board. And a core fixed such that the leg portions penetrate the hole portion so as to face each other.
【０００５】[0005]
【発明の実施の形態】以下本発明の実施例を図に基づい
て説明する。図１は本発明の実施例を示す回路基板に取
付けたチョークコイルの分解斜視図である。図におい
て、１はロータリエンコーダの回路基板で、この回路基
板１の板面に穴部４が２つ設けられている。前記穴部４
を囲んで渦巻き状のコイル２をプリント配線して形成し
ている。前記コイルの端部を図示しないロータリエンコ
ーダの制御回路に接続してある。３はコ字状に形成した
２つのカットコアで、回路基板１の上下からその脚部３
ａ対向させて前記脚部３ａが前記穴部４を貫通するよう
に回路基板１に取付け、カットコアの連結部を回路基板
１に接着して固定している。実施例では、回路基板を１
枚用いた場合を示したが、回路基板１を多層に積み重ね
てもよい。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view of a choke coil mounted on a circuit board according to an embodiment of the present invention. In the figure, reference numeral 1 denotes a circuit board of a rotary encoder, and two hole portions 4 are provided on a plate surface of the circuit board 1. The hole 4
, And a spiral coil 2 is formed by printed wiring. An end of the coil is connected to a control circuit of a rotary encoder (not shown). Reference numeral 3 denotes two cut cores formed in a U-shape.
a, the leg portion 3a is attached to the circuit board 1 so that the leg portion 3a penetrates the hole portion 4, and a cut core connecting portion is adhered and fixed to the circuit board 1. In the embodiment, the circuit board is 1
Although the case where a plurality of circuit boards 1 are used is shown, the circuit boards 1 may be stacked in multiple layers.
【０００６】[0006]
【発明の効果】以上述べたように本発明によれば、回路
基板にコイルを形成しカットコアの脚部を挿入してチョ
ークコイルを形成するので、小形で安価で、かつ簡単な
作業でチョークコイルを形成することができる。As described above, according to the present invention, a coil is formed on a circuit board and a leg of a cut core is inserted to form a choke coil. A coil can be formed.
【図１】 本発明の実施例を示す回路基板に取付けたチ
ョークコイルの分解斜視図である。FIG. 1 is an exploded perspective view of a choke coil mounted on a circuit board according to an embodiment of the present invention.
【図２】 従来の回路基板に取付けたチョークコイルの
斜視図である。FIG. 2 is a perspective view of a conventional choke coil mounted on a circuit board.
１ 回路基板、 ２ コイル、 ３ カットコア、 ３
ａ 脚部、４ 穴部1 circuit board, 2 coil, 3 cut core, 3
a Legs, 4 holes
Claims (1)
る回路基板にノイズをカットするチョークコイルを備え
たロータリエンコーダにおいて、 前記チョークコイルを、 ２つの穴部を設けたロータリエンコーダの回路基板と、 前記各々の穴部を囲み渦巻き状にプリント配線して形成
し前記ロータリエンコーダの制御回路に接続したコイル
と、 略コ字状に形成した２つのカットコアを、前記回路基板
の上下からその脚部をそれぞれ対向させて前記脚部が前
記穴部を貫通するように固定したコアと、 から構成したことを特徴とするロータリエンコーダ。1. A rotary encoder provided with a choke coil for cutting noise on a circuit board on which a control circuit of a rotary encoder is mounted, wherein the choke coil is a circuit board of a rotary encoder having two holes. A coil formed by surrounding each hole and printed in a spiral shape and connected to the control circuit of the rotary encoder, and two cut cores formed in a substantially U-shape, and legs of the circuit board from above and below the circuit board. A core fixed to each other so that the leg portions penetrate the hole portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27340997A JPH1194593A (en) | 1997-09-19 | 1997-09-19 | Rotary encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27340997A JPH1194593A (en) | 1997-09-19 | 1997-09-19 | Rotary encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1194593A true JPH1194593A (en) | 1999-04-09 |
Family
ID=17527496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27340997A Abandoned JPH1194593A (en) | 1997-09-19 | 1997-09-19 | Rotary encoder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1194593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109075711A (en) * | 2016-04-26 | 2018-12-21 | 三菱电机株式会社 | Electric power circuit device |
-
1997
- 1997-09-19 JP JP27340997A patent/JPH1194593A/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109075711A (en) * | 2016-04-26 | 2018-12-21 | 三菱电机株式会社 | Electric power circuit device |
| CN109075711B (en) * | 2016-04-26 | 2021-06-22 | 三菱电机株式会社 | Circuit device for electric power |
| US11206729B2 (en) * | 2016-04-26 | 2021-12-21 | Mitsubishi Electric Corporation | Power circuit device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Effective date: 20040810 Free format text: JAPANESE INTERMEDIATE CODE: A621 |
|
| A762 | Written abandonment of application |
Free format text: JAPANESE INTERMEDIATE CODE: A762 Effective date: 20060330 |