JPH0494586A - Printed circuit board - Google Patents
Printed circuit boardInfo
- Publication number
- JPH0494586A JPH0494586A JP21279390A JP21279390A JPH0494586A JP H0494586 A JPH0494586 A JP H0494586A JP 21279390 A JP21279390 A JP 21279390A JP 21279390 A JP21279390 A JP 21279390A JP H0494586 A JPH0494586 A JP H0494586A
- Authority
- JP
- Japan
- Prior art keywords
- printed circuit
- circuit board
- signal lines
- core
- board body
- 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
- 230000002265 prevention Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
-
- 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
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、ノイズ対策用のコアが取付けられたプリン
ト基板に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a printed circuit board to which a core for noise suppression is attached.
第６図および第７図は従来の代表的なノイズ対策用の■
トーキン社製のＥＭＣチップフィルタを示す図で、図に
おいて、１はフィルタ本体、２は端子、３はリアクタン
ス素子である。Figures 6 and 7 show typical conventional noise countermeasures.
This is a diagram showing an EMC chip filter manufactured by Tokin Corporation. In the diagram, 1 is a filter body, 2 is a terminal, and 3 is a reactance element.
この従来のものでは、ＥＭＣ対策等で、複数本の信号ラ
インにコアを挿入する必要がある場合、このチップフィ
ルタをプリント基板上に実装していた。In this conventional type, when it is necessary to insert cores into a plurality of signal lines for EMC countermeasures, etc., this chip filter is mounted on a printed circuit board.
ところで従来のプリント基板において、複数本の信号線
にコアを入れる場合、このチップフィルタを用いている
が、信号線の本数とＥＭＣチップフィルタの素子数に差
がある場合、Ｅ、 Ｍ Ｃチップフィルタに無駄が生じ
るか、または複数のＥＭＣチップフィルタが必要になる
等の問題点があった。By the way, in conventional printed circuit boards, when inserting cores into multiple signal lines, this chip filter is used, but if there is a difference between the number of signal lines and the number of elements of the EMC chip filter, E, MC chip filters are used. There are problems in that there is a waste of energy or that a plurality of EMC chip filters are required.
また、プリント基板の設計後、ＥＭＣチップフィルタを
除去する必要がある場合、ＥＭＣチップフィルタをショ
ートする手段が必要であるという問題があった。Furthermore, when it is necessary to remove the EMC chip filter after designing the printed circuit board, there is a problem in that a means for shorting the EMC chip filter is required.
この発明はこのような問題点を解消するためになされた
もので、任意の数の信号線に容易に除去可能な方法でコ
アを通すことのできるプリント基板を得ることを目的と
する。The present invention was made to solve these problems, and an object of the present invention is to obtain a printed circuit board through which a core can be passed through an arbitrary number of signal lines by an easily removable method.
この発明に係るプリント基板は、プリント基板本体に配
置された複数本の信号線の近傍に穴を形成すると共に、
この穴に複数本の信号線を囲むように環状のコアを挿入
したものである。The printed circuit board according to the present invention has holes formed near the plurality of signal lines arranged in the printed circuit board main body, and
An annular core is inserted into this hole so as to surround multiple signal lines.
この発明におけるコアは、プリント基板水゛体に配置さ
れた複数本の信号線を一括して囲むように配置されてい
るので、信号線の本数に無関係に簡単にノイズ対策を施
すことができ、製作が容易となる。Since the core in this invention is arranged so as to enclose a plurality of signal lines arranged on the printed circuit board body, noise countermeasures can be easily taken regardless of the number of signal lines. Manufacturing becomes easier.
以下この発明の一実施例を第１図〜第３図にもとづいて
説明する。An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.
即ち、第１図〜第３図において、３はプリント基板本体
、４はプリント基板本体３に形成された複数本の信号線
、５は信号線４の両側のプリント基板本体３に形成され
た穴、６はプリント基板本体の穴５に挿入された分割自
在な環状のコアである。That is, in FIGS. 1 to 3, 3 is a printed circuit board body, 4 is a plurality of signal lines formed in the printed circuit board body 3, and 5 is a hole formed in the printed circuit board body 3 on both sides of the signal line 4. , 6 is a divisible annular core inserted into the hole 5 of the printed circuit board body.
ここでコア６が穴５に挿入されて固定されると、プリン
ト基板本体３上の複数の信号ｙ７１４を囲んでコア６が
配置されることになる。When the core 6 is inserted into the hole 5 and fixed, the core 6 will be placed surrounding the plurality of signals y714 on the printed circuit board body 3.
このように構成されたものでは、信号線４の本数に関係
なく１個のコアでノイズ対策が可能となるので、従来の
もののようにフィルタチップの素子数と信号線数の不一
致による問題等はなくなり、構成が簡単で製作が容易と
なる。With this configuration, noise countermeasures can be taken with one core regardless of the number of signal lines 4, so problems such as the mismatch between the number of elements in the filter chip and the number of signal lines, etc., as in conventional ones, are avoided. This makes the configuration simple and easy to manufacture.
なお、この実施例では、コアを固定するためにプリント
基板本体３に２つの穴５を形成した場合について示した
が、第４図および第５図に示すように穴５を１つにして
コア６をこの穴５に貫通して固定するようにしてもよい
。In this embodiment, two holes 5 are formed in the printed circuit board body 3 to fix the core, but as shown in FIGS. 4 and 5, the core is 6 may be passed through this hole 5 and fixed.
上記のようにこの発明によるプリント基板は、プリント
基板本体に配置された複数本の信号線を基板本体に形成
された穴に挿入される環状のコアによって一括して囲む
ようにしたので、任意の本数の信号線に対して共通のコ
アでノイズ対策が可能になり、製作が容易となる。As described above, in the printed circuit board according to the present invention, a plurality of signal lines arranged on the printed circuit board body are collectively surrounded by an annular core inserted into a hole formed in the circuit board body, so that arbitrary Noise countermeasures can be taken with a common core for a large number of signal lines, and manufacturing is facilitated.
第１図〜第３図はこの発明の一実施例を示す図で、第１
図は斜視図、第２図は要部断面図、第３図は要部斜視図
、第４図および第５図はこの発明の他の実施例を示す図
で、第４図は斜視図、第５図は要部断面図、第６図（イ
）〜（ニ）は従来のこの種プリント基板に用いられるＥ
ＭＣチップフィルタを示す平面図、側面図、第７図は第
６図に示すチップフィルタの回路構成を示す図である。
なお、図中同一符号は同−又は相当部分を示す。Figures 1 to 3 are diagrams showing one embodiment of the present invention.
The figure is a perspective view, FIG. 2 is a sectional view of the main part, FIG. 3 is a perspective view of the main part, FIGS. 4 and 5 are views showing other embodiments of the present invention, and FIG. 4 is a perspective view. Figure 5 is a sectional view of the main part, and Figures 6 (a) to (d) are conventional E
A plan view and a side view showing the MC chip filter, and FIG. 7 are diagrams showing the circuit configuration of the chip filter shown in FIG. 6. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
プリント基板本体の信号線の近傍に形成された穴、この
穴に挿入され上記複数本の信号線を囲む環状のコアを備
えたプリント基板。A printed circuit board comprising a printed circuit board body on which a plurality of signal lines are arranged, a hole formed in the vicinity of the signal line in the printed circuit board body, and an annular core inserted into the hole and surrounding the plurality of signal lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21279390A JPH0494586A (en) | 1990-08-10 | 1990-08-10 | Printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21279390A JPH0494586A (en) | 1990-08-10 | 1990-08-10 | Printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0494586A true JPH0494586A (en) | 1992-03-26 |
Family
ID=16628476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21279390A Pending JPH0494586A (en) | 1990-08-10 | 1990-08-10 | Printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0494586A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1282143A3 (en) * | 2001-08-01 | 2003-04-02 | Kitagawa Industries Co., Ltd. | Forming method of magnetic body, magnetic body, and printed circuit board |
| WO2013110726A1 (en) * | 2012-01-24 | 2013-08-01 | Valeo Systèmes d'Essuyage | Band attenuation/elimination filter for the electromagnetic emissions of a dc motor with brushes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01198100A (en) * | 1988-02-03 | 1989-08-09 | Canon Inc | Printed wiring substrate |
| JPH0215763B2 (en) * | 1982-12-13 | 1990-04-13 | Mitsubishi Heavy Ind Ltd |
-
1990
- 1990-08-10 JP JP21279390A patent/JPH0494586A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0215763B2 (en) * | 1982-12-13 | 1990-04-13 | Mitsubishi Heavy Ind Ltd | |
| JPH01198100A (en) * | 1988-02-03 | 1989-08-09 | Canon Inc | Printed wiring substrate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1282143A3 (en) * | 2001-08-01 | 2003-04-02 | Kitagawa Industries Co., Ltd. | Forming method of magnetic body, magnetic body, and printed circuit board |
| US6758999B2 (en) | 2001-08-01 | 2004-07-06 | Kitagawa Industries Co., Ltd. | Forming method of magnetic body and printed circuit board |
| WO2013110726A1 (en) * | 2012-01-24 | 2013-08-01 | Valeo Systèmes d'Essuyage | Band attenuation/elimination filter for the electromagnetic emissions of a dc motor with brushes |
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