JPH06871Y2 - Electronics - Google Patents
ElectronicsInfo
- Publication number
- JPH06871Y2 JPH06871Y2 JP1987002881U JP288187U JPH06871Y2 JP H06871 Y2 JPH06871 Y2 JP H06871Y2 JP 1987002881 U JP1987002881 U JP 1987002881U JP 288187 U JP288187 U JP 288187U JP H06871 Y2 JPH06871 Y2 JP H06871Y2
- Authority
- JP
- Japan
- Prior art keywords
- front panel
- electronic device
- shield plate
- electronic circuit
- electronic
- 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.)
- Expired - Lifetime
Links
Description
【考案の詳細な説明】 ［産業上の利用分野］ この考案は電子機器本体に挿入収容して電気信号を入出
力する複数の電子回路ユニットを備えた電子機器に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to an electronic device including a plurality of electronic circuit units that are inserted and housed in an electronic device body to input and output electric signals.
［従来の技術］ この種の電子機器として、例えば第６図に示すように、
電子機器本体１に実装シェルフ２を設け、このシェルフ
２内に複数の電子回路ユニット３を多段状に挿入収容す
るようにしたものが知られている。[Prior Art] As an electronic device of this type, for example, as shown in FIG.
It is known that the electronic device main body 1 is provided with a mounting shelf 2 and a plurality of electronic circuit units 3 are inserted and accommodated in the shelf 2 in a multi-stage manner.
電子回路ユニット３は、回路部品を実装したプリント基
板４と、このプリント基板４の一端部に設けられた前面
パネル５とを備えたもので、実装シェルフ２内に設けら
れるガイドレール６に沿つて挿入収容されるようになっ
ている。The electronic circuit unit 3 includes a printed circuit board 4 on which circuit components are mounted and a front panel 5 provided at one end of the printed circuit board 4, and extends along a guide rail 6 provided in the mounting shelf 2. It is designed to be inserted and housed.
このような電子機器では、必要な機能を有した電子回路
ユニットを必要数、組合わせ挿入して目的の機能を得る
ことができる。In such an electronic device, a desired number of electronic circuit units having necessary functions can be combined and inserted to obtain a desired function.
［考案が解決しようとする問題点］ ところでこのような従来の電子機器では、隣接して収容
配置された電子回路ユニット３の前面パネル５の間に間
隙Ｇが形成され、この間隙Ｇを通して電磁波が漏洩する
（又は入り込む）ため、この電子機器と周辺に設置され
た機器との間で電磁波干渉を起こし、誤動作等の障害を
発生することがある。[Problems to be Solved by the Invention] In such a conventional electronic device, a gap G is formed between the front panels 5 of the electronic circuit units 3 that are adjacently housed and arranged, and an electromagnetic wave passes through the gap G. Since it leaks (or enters), electromagnetic interference may occur between this electronic device and devices installed in the vicinity, and malfunction such as malfunction may occur.
特に、電子回路に用いられるＩＣ，ＬＳＩ等は、近年高
周波数化する傾向にあることから、間隙Ｇを小さくして
も電磁波の漏洩を防止できず、電磁波干渉を回避し得な
い問題点がある。In particular, since ICs, LSIs and the like used in electronic circuits tend to have higher frequencies in recent years, leakage of electromagnetic waves cannot be prevented even if the gap G is reduced, and electromagnetic interference cannot be avoided. .
また、このような間隙Ｇの大きさが一定せず、電磁波干
渉の程度が変化して電子機器の安定した性能が得られな
い問題点がある。Further, there is a problem that the size of the gap G is not constant and the degree of electromagnetic wave interference is changed, so that stable performance of the electronic device cannot be obtained.
さらに、このような間隙Ｇをできるだけ小さくするため
に、製造上厳しい寸法公差が必要となる問題点がある。Further, in order to make such a gap G as small as possible, there is a problem that strict dimensional tolerance is required in manufacturing.
本考案は以上のような実情に鑑み、電子回路ユニットの
間隙からの電磁波の漏洩を有効に阻止して電磁波干渉に
よる誤動作を防止でき、厳しい寸法公差を必要とせず、
個人差なく一定の精度で取り付けが行える製造容易な電
子機器を提供することを目的とするものである。In view of the above situation, the present invention effectively prevents leakage of electromagnetic waves from the gap of the electronic circuit unit to prevent malfunction due to electromagnetic interference, and does not require strict dimensional tolerance.
It is an object of the present invention to provide an electronic device which can be easily installed and can be attached with a certain accuracy without any individual difference.
［問題点を解決するための手段］ すなわち本考案の電子機器は、前述した問題点を解決す
るために、回路部品を実装したプリント基板13の一端部
に導電性の前面パネル14を取付けて成る複数の電子回路
ユニット12を、電子機器本体10の開口11aと段差をもっ
て導電性の枠部22が形成された実装シェルフ11に所定間
隔で多段状に装着した状態で前面パネルの両縦側部を前
記枠部に固定する電子機器において、 前記前面パネル14には、該パネル14の横側縁部から隣り
の電子回路ユニット12の横側縁部方向に延設されて先端
部が該ユニット12の前面パネル14の横側縁部に重なった
状態で両該前面パネル14間の横側間隙を塞ぐ電磁シール
ド板24を前記前面パネルと一体的に設けたことを特徴と
している。[Means for Solving Problems] That is, in order to solve the above-mentioned problems, the electronic device of the present invention has a conductive front panel 14 attached to one end of a printed circuit board 13 on which circuit components are mounted. The plurality of electronic circuit units 12 are mounted on the mounting shelf 11 in which the conductive frame portion 22 is formed with a step and the opening 11a of the electronic device main body 10 in a multi-step manner at predetermined intervals so that both vertical side portions of the front panel are attached. In the electronic device fixed to the frame portion, the front panel 14 is extended from a lateral side edge portion of the panel 14 toward a lateral side edge portion of an adjacent electronic circuit unit 12, and a front end portion of the unit 12 is provided. It is characterized in that an electromagnetic shield plate 24 is provided integrally with the front panel 14 so as to close the lateral gap between the front panels 14 in a state of being overlapped with the lateral edges of the front panel 14.
［作用］ 電子回路ユニットを実装シェルフに挿着した際、前面パ
ネルに一体的に設けられたシールド板は、各電子回路ユ
ニットの隣接する前面パネルの前面の横側縁部に重なっ
て前面パネル間の横側間隙を塞ぎ、また、隣接する前面
パネル間を除く部分は枠部に面接触した状態で固定さ
れ、横側間隙からの電磁波の漏洩が防止される。[Operation] When the electronic circuit unit is attached to the mounting shelf, the shield plate integrally provided on the front panel is overlapped with the lateral side edge of the front surface of the adjacent front panel of each electronic circuit unit, and the space between the front panels is overlapped. The horizontal gap is closed, and the portions other than adjacent front panels are fixed in surface contact with the frame portion, so that electromagnetic waves are prevented from leaking from the horizontal gap.
［実施例］ 第１図は本考案の一実施例を示す電子機器の斜視図であ
る。[Embodiment] FIG. 1 is a perspective view of an electronic apparatus according to an embodiment of the present invention.
この電子機器は、電子機器本体１０を構成する筐体に実
装シェルフ１１を設け、このシェルフ１開口１１ａより
４つの電子回路ユニット１２を多段状に挿入収容するも
のである。In this electronic device, a mounting shelf 11 is provided in a casing that constitutes the electronic device main body 10, and four electronic circuit units 12 are inserted and accommodated in a multi-stage manner from the shelf 1 opening 11a.
各電子回路ユニット１２は、回路部品が実装されるプリ
ント基板１３と、このプリント基板１３の一端部に取付
けられて前述した実装シェルフ１１の開口１１ａに配置
される前面パネル１４とを備えたものである。Each electronic circuit unit 12 includes a printed circuit board 13 on which circuit components are mounted, and a front panel 14 attached to one end of the printed circuit board 13 and arranged in the opening 11a of the mounting shelf 11 described above. is there.
プリント基板１３は、方形状に形成されており、実装シ
ェルフ１１内に設けられたガイドレール１５に案内され
て実装シェルフ１１内に挿入されて保持されるようにな
っている。また、プリント基板１３の後端部には、コネ
クタ１６が設けられており、電子回路ユニット１２を実
装シェルフ１１内に装着した状態で、第２図に示すよう
に、電子機器本体１０内に配置されたバックボード１７
のコネクタ１８に接続されるようになっている。これに
よってプリント基板１３と電子機器本体１０とが電気的
に接続される。The printed circuit board 13 is formed in a rectangular shape and is guided by a guide rail 15 provided in the mounting shelf 11 to be inserted and held in the mounting shelf 11. Further, a connector 16 is provided at the rear end portion of the printed circuit board 13, and the electronic circuit unit 12 is arranged inside the electronic device body 10 as shown in FIG. Backboard 17
Is connected to the connector 18. As a result, the printed circuit board 13 and the electronic device body 10 are electrically connected.
また、前面パネル１４には、第１図に示すように外部機
器から導かれたコネクタ１９が接続されるコネクタ２０
が設けられるとともに電子回路ユニット１２の挿脱操作
を行なうためのノブ２１が設けられている。この前面パ
ネル１４は、両側部を開口１１ａの内周部に設けられる
枠部２２に面接触させた状態で固定ネジ２３によってネ
ジ止めすることにより、電子回路ユニット１２を実装シ
ェルフ１１内に固定するものである。また、前面パネル
１４及び枠部２２は共に導電性材料より形成されてお
り、両者のネジ止めによってプリント基板１３の電子回
路を電子機器本体１０側に接地するようになっている。Further, a connector 20 to which a connector 19 led from an external device is connected to the front panel 14 as shown in FIG.
And a knob 21 for inserting and removing the electronic circuit unit 12. The front panel 14 fixes the electronic circuit unit 12 in the mounting shelf 11 by screwing the front panel 14 with the fixing screws 23 in a state where both sides are in surface contact with the frame 22 provided in the inner peripheral portion of the opening 11a. It is a thing. The front panel 14 and the frame portion 22 are both made of a conductive material, and the electronic circuit of the printed circuit board 13 is grounded to the electronic device body 10 side by screwing them together.
また、各電子回路ユニット１２の前面パネル１４の下側
縁部には、各前面パネル１４巻の間隙を塞ぐシールド板
２４が形成されている。このシールド板２４は、例えば
前面パネル１４に一体成形されたもので、隣接する前面
パネル１４側に延出され、このパネル１４の上側縁部の
前面に重さなる。そして前述した前面パネル１４のネジ
止めにより、シールド板２４は隣接する前面パネル１４
の前面に押付けられるようになっている。これによって
各前面パネル１４間の間隙が塞がれ、電磁的にシールド
される。A shield plate 24 that closes the gap between the front panel 14 rolls is formed at the lower edge of the front panel 14 of each electronic circuit unit 12. The shield plate 24 is formed integrally with the front panel 14, for example, extends to the adjacent front panel 14 side, and overlaps the front surface of the upper edge of the panel 14. The shield plate 24 is attached to the adjacent front panel 14 by screwing the front panel 14 described above.
It is designed to be pressed against the front of. This closes the gaps between the front panels 14 and electromagnetically shields them.
また、第３図は本考案の他の実施例を示す電子機器の正
面図であり、第４図は第３図におけるＡ−Ａ線部分断面
図、第５図は第３図に示す電子機器の概略斜視図であ
る。3 is a front view of an electronic device showing another embodiment of the present invention, FIG. 4 is a partial sectional view taken along the line AA in FIG. 3, and FIG. 5 is an electronic device shown in FIG. 2 is a schematic perspective view of FIG.
この実施例の電子機器は、シールド板２４が前面パネル
１４と別体に形成されており、前面パネル１４を枠部２
２に固定するための固定ネジ２３によってシールド板２
４が前面パネル１４に装着されるようになっている。す
なわち、シールド板２４は、固定ネジ２３に対応する位
置に上下方向に長径を有する長孔２４ａが形成されてお
り、この長孔２４ａを通して固定ネジ２３が締付けられ
るようになっている。そして、このシールド板２４は、
固定ネジ２３を弛めることにより、長孔２４ａに沿つて
上下方向にスライド自在（移動可能）となっており、下
方にスライド（移動）した状態で下側に隣接する前面パ
ネル１４の上側縁部に延出され、上方にスライドした状
態で下側に隣接する前面パネル１４との重なり状態が解
除される配置になっている。なお、前面パネル１４に設
けられたノブ２１は、シールド板２４を形成した長孔２
４ｂを通して前方に突出し、同じく前面パネル１４に設
けられたコネクタ２０は、シールド板２４に形成した切
欠き部２４ｃを通して前方に臨んでいる。In the electronic device of this embodiment, the shield plate 24 is formed separately from the front panel 14, and the front panel 14 is attached to the frame portion 2.
The shield plate 2 is fixed by a fixing screw 23 for fixing to the 2
4 is attached to the front panel 14. That is, in the shield plate 24, a long hole 24a having a long diameter in the vertical direction is formed at a position corresponding to the fixing screw 23, and the fixing screw 23 is tightened through the long hole 24a. And this shield plate 24 is
By loosening the fixing screw 23, the fixing screw 23 is slidable (movable) in the vertical direction along the long hole 24a, and when it is slid downward (moved), it is attached to the upper edge of the front panel 14 adjacent to the lower side. The extended state is such that the overlapping state with the front panel 14 adjacent to the lower side is released in the state of being slid upward. The knob 21 provided on the front panel 14 has a long hole 2 formed with a shield plate 24.
The connector 20 provided on the front panel 14 also protrudes forward through 4b and faces forward through a notch portion 24c formed in the shield plate 24.
このような構成の電子機器では、シールド板２４を下側
に隣接した前面パネル１４との重なり状態を解除させる
ことにより、上側の電子回路ユニット１２を抜き取るこ
となく下側の電子回路ユニット１２を単独で抜き取り操
作することができる。これによって、各電子回路ュニッ
ト１２をそれぞれ単独で自在に挿脱操作することがで
き、電子回路ユニット１２の交換やメンテナンス等の作
業を容易に行なえるようになっている。また、この実施
例では、前面パネル１４の固定用及び電子回路ユニット
１２の接地用の固定ネジ２３によってシールド板２４を
固定することから、他の固定手段を別途設ける場合に比
べて部品点数の削減等を図ることができる。In the electronic device having such a configuration, the shield plate 24 is released from the overlapping state with the front panel 14 adjacent to the lower side, so that the lower electronic circuit unit 12 can be isolated without removing the upper electronic circuit unit 12. It can be extracted with. As a result, each electronic circuit unit 12 can be freely inserted / removed independently, and the replacement and maintenance of the electronic circuit unit 12 can be easily performed. Further, in this embodiment, since the shield plate 24 is fixed by the fixing screws 23 for fixing the front panel 14 and for grounding the electronic circuit unit 12, the number of parts is reduced as compared with the case where another fixing means is separately provided. And so on.
［考案の効果］ 以上説明したように、本考案の電子機器は、電子回路ユ
ニットを実装シェルフに装着した際、前面パネルに一体
的に設けられたシールド板が各電子回路ユニットの隣接
する前面パネルの前面に重なって位置し、隣接する前面
パネル間を除く部分は、枠部と面接触してネジ等の固定
手段により固定される構成なので、間隙からの電磁波の
漏洩又は入り込みを確実に防止でき、他の電子機器等と
の間の電磁波干渉による誤動作等を有効に防止できる効
果がある。[Advantages of the Invention] As described above, in the electronic apparatus of the present invention, when the electronic circuit unit is mounted on the mounting shelf, the shield plate integrally provided on the front panel is adjacent to the front panel of each electronic circuit unit. Since the parts that are located on the front surface of the device except the adjacent front panel are in surface contact with the frame part and are fixed by fixing means such as screws, it is possible to reliably prevent the leakage or entry of electromagnetic waves from the gap. Therefore, there is an effect that it is possible to effectively prevent malfunctions and the like due to electromagnetic wave interference with other electronic devices and the like.
また、シールド板は隣接する前面パネルの縁部を覆う構
成なので、各電子回路ユニットの前面パネル間の間隙を
極めて微小に設計する必要がなく、誰が組み込んでも個
人差なく一定の精度で、実装シェルフに対する電子回路
ユニットの取り付けを行うことができ、厳しい寸法公差
による製造の困難性も解消できる効果がある。In addition, since the shield plate covers the edge of the adjacent front panel, there is no need to design the gap between the front panels of the electronic circuit units to be extremely small. It is possible to attach the electronic circuit unit to, and it is possible to eliminate the difficulty of manufacturing due to strict dimensional tolerance.
第１図は本考案の一実施例を示す電子機器の概略斜視
図、第２図は同実施例による電子機器の概略断面図、第
３図は本考案の他の実施例を示す電子機器の正面図、第
４図は第３図におけるＡ−Ａ線部分断面図、第５図は第
３図に示す電子機器の概略斜視図、第６図は従来の電子
機器の一例を示す概略斜視図である。 １０…電子機器本体、１１…実装シェルフ、１１ａ…開
口、１２…電子回路ユニット、１３…プリント基板、１
４…前面パネル、２２…枠部、２４…シールド板。1 is a schematic perspective view of an electronic device according to an embodiment of the present invention, FIG. 2 is a schematic sectional view of the electronic device according to the same embodiment, and FIG. 3 is a schematic view of an electronic device according to another embodiment of the present invention. A front view, FIG. 4 is a partial sectional view taken along line AA in FIG. 3, FIG. 5 is a schematic perspective view of the electronic device shown in FIG. 3, and FIG. 6 is a schematic perspective view showing an example of a conventional electronic device. Is. 10 ... Electronic device main body, 11 ... Mounting shelf, 11a ... Opening, 12 ... Electronic circuit unit, 13 ... Printed circuit board, 1
4 ... Front panel, 22 ... Frame part, 24 ... Shield plate.
Claims (2)
端部に導電性の前面パネル(14)を取付けて成る複数の電
子回路ユニット(12)を、電子機器本体(10)の開口(11a)
と段差をもって導電性の枠部(22)が形成された実装シェ
ルフ(11)に所定間隔で多段状に挿着した状態で前面パネ
ルの両縦側部を前記枠部に固定する電子機器において、 前記前面パネル(14)には、該パネル(14)の横側縁部から
隣りの電子回路ユニット(12)の横側縁部方向に延設され
て先端部が該ユニット(12)の前面パネル(14)の横側縁部
に重なった状態で両該前面パネル(14)間の横側間隙を塞
ぐ電磁シールド板(24)を前記前面パネルと一体的に設け
たことを特徴とする電子機器。1. A plurality of electronic circuit units (12) each having a conductive front panel (14) attached to one end of a printed circuit board (13) on which circuit components are mounted are provided in an opening () of an electronic device body (10). 11a)
In an electronic device that fixes both vertical side portions of the front panel to the frame portion in a state where the conductive shelf portion (22) having a step is formed in a mounting shelf (11) formed in multiple stages at predetermined intervals, The front panel (14) extends from the lateral side edge of the panel (14) toward the lateral side edge of the adjacent electronic circuit unit (12) and has a front end portion of the front panel of the unit (12). An electronic device characterized in that an electromagnetic shield plate (24) for closing the lateral gap between the front panels (14) in a state of being overlapped with the lateral edge of (14) is provided integrally with the front panel. .
面上の横側縁部を覆うようにスライド自在に取付けられ
た実用新案登録請求の範囲第１項記載の電子機器。2. The shield plate (24) is the front panel (14).
The electronic device according to claim 1, wherein the utility model registration is slidably mounted so as to cover a lateral edge on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987002881U JPH06871Y2 (en) | 1987-01-14 | 1987-01-14 | Electronics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987002881U JPH06871Y2 (en) | 1987-01-14 | 1987-01-14 | Electronics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63112386U JPS63112386U (en) | 1988-07-19 |
| JPH06871Y2 true JPH06871Y2 (en) | 1994-01-05 |
Family
ID=30782131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987002881U Expired - Lifetime JPH06871Y2 (en) | 1987-01-14 | 1987-01-14 | Electronics |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06871Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4720432B2 (en) * | 2005-10-28 | 2011-07-13 | 日本ビクター株式会社 | Slot structure and electronic equipment |
| JP5293247B2 (en) * | 2009-02-13 | 2013-09-18 | ヤマハ株式会社 | Mounting structure of board members to electrical equipment |
| US8934260B2 (en) | 2009-11-09 | 2015-01-13 | Nec Display Solutions, Ltd. | Electronic equipment cabinet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59104595U (en) * | 1982-12-29 | 1984-07-13 | アンリツ株式会社 | Housing for electronic equipment |
| JPS59127899A (en) * | 1983-01-12 | 1984-07-23 | 富士通株式会社 | Mounting structure for plug-in type printed board |
| JPS59191788U (en) * | 1983-06-03 | 1984-12-19 | 三菱電機株式会社 | Structure of electronic device unit and storage frame |
| JPS602897U (en) * | 1983-06-20 | 1985-01-10 | アロン化成株式会社 | Structure joint structure |
-
1987
- 1987-01-14 JP JP1987002881U patent/JPH06871Y2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| 発明協会公開技報公技番号８５−７０７６ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63112386U (en) | 1988-07-19 |
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