JP2640200B2 - Electrical equipment housing - Google Patents
Electrical equipment housingInfo
- Publication number
- JP2640200B2 JP2640200B2 JP17935992A JP17935992A JP2640200B2 JP 2640200 B2 JP2640200 B2 JP 2640200B2 JP 17935992 A JP17935992 A JP 17935992A JP 17935992 A JP17935992 A JP 17935992A JP 2640200 B2 JP2640200 B2 JP 2640200B2
- Authority
- JP
- Japan
- Prior art keywords
- protective
- cover
- housing
- motherboard
- connector
- 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 - Fee Related
Links
Landscapes
- Casings For Electric Apparatus (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、保護継電器筺体等の
電気機器筺体に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric device housing such as a protective relay housing.
【０００２】[0002]
【従来の技術】図３は一般的な電気機器筺体の側面図で
あり、図において、２は裏面保護カバー、５はマザーボ
ード、６はコネクタピン、８はコネクタ、９はバックハ
ウジング、２１，２２はフロントレール、２３はリヤー
レール、２４はカードガイド、２５は基板、２６は正面
板、２７は裏面上部保護カバー、２８は外部取付コネク
タである。2. Description of the Related Art FIG. 3 is a side view of a general electric equipment housing, in which 2 is a rear protective cover, 5 is a motherboard, 6 is a connector pin, 8 is a connector, 9 is a back housing, and 21 and 22. Is a front rail, 23 is a rear rail, 24 is a card guide, 25 is a board, 26 is a front plate, 27 is a rear upper protective cover, and 28 is an external mounting connector.
【０００３】図４、図５はその一部を拡大して示すもの
で、図において、裏面保護カバー２の裏面に外部コネク
タ２８が取付かないところは、金属板を箱状に折曲げた
金属性保護盲カバー１１で覆っていた。即ち、図５にお
いて、筺体の裏面保護カバー２に外部取付コネクタ２８
が取付かない個所には、金属性保護盲カバー１１が外部
取付コネクタ２８の取付固定ナット１２へＰネジ１３で
取付けられていた。FIGS. 4 and 5 show an enlarged view of a part of the structure. In the figures, where the external connector 28 is not attached to the back surface of the back protective cover 2, the metal plate is bent into a box shape. It was covered with a protective blind cover 11. That is, in FIG. 5, the external mounting connector 28 is attached to the rear surface protective cover 2 of the housing.
The metal protective blind cover 11 was attached to the attachment fixing nut 12 of the external attachment connector 28 with the P screw 13 at a place where no is attached.
【０００４】[0004]
【発明が解決しようとする課題】従来の筺体保護盲カバ
ーは以上のように構成されているので、裏面保護カバー
２を取りはずすには、先ず外部コネクタ２８を取りはず
し、裏面保護カバー２の左右の取付Ｐねじ４ケ所と、そ
して金属性保護盲カバー１１を取りはずさなければなら
ず、煩雑であるという問題点があった。Since the conventional housing protective blind cover is constructed as described above, to remove the backside protective cover 2, first remove the external connector 28, and attach the left and right sides of the backside protective cover 2 to each other. The four P screws and the metal protective blind cover 11 must be removed, which is complicated.
【０００５】この発明は上記のような問題点を解消する
ためになされたもので、外部コネクタ取付長穴と共に保
護盲カバー取付け用のネジ穴を有した裏面保護カバーに
容易に保護盲カバーが取付けられて、マザーボード部の
コネクタピンの耐圧が保持でき、電磁波を遮へいできる
ようにした装置を得ることを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and a protective blind cover can be easily attached to a rear protective cover having a screw hole for attaching a protective blind cover together with a long hole for attaching an external connector. On the motherboard
It is an object of the present invention to obtain a device capable of maintaining the withstand voltage of a connector pin and shielding electromagnetic waves.
【０００６】[0006]
【課題を解決するための手段】この発明に係る電気機器
筺体は、マザーボード部を有し、内部に電気機器要素を
収納した電気機器筺体において、上記マザーボード部の
コネクタピンとの耐圧を保持するため、表面の中央部は
絶縁体で外周部と裏面全面に銅箔を貼りメッキを施した
保護盲カバーを設け、外部からの電磁波の影響を受けな
いようにしたものである。An electric device housing according to the present invention has a motherboard portion, and in the electric device housing in which electric device elements are housed, the above-mentioned motherboard portion is provided.
In order to maintain the pressure resistance with the connector pins , the center of the front surface is made of insulating material and the outer periphery and the entire back surface are covered with copper foil and provided with a protective blind cover that is plated, so that it is not affected by external electromagnetic waves. Things.
【０００７】[0007]
【作用】この発明における筺体は、裏面のマザーボード
に外部コネクタの取付かない保護カバー下部の開放部に
保護盲カバーをＰネジで取付けることにより、マザーボ
ード部のコネクタピンの耐圧保持、そして外部からの電
磁波の影響を防止できる。[Action] housing in the present invention, by attaching a P screws the protective blind cover the open portion of the attachment or no protective cover bottom of the external connector on the back of the motherboard, the motherboard
It is possible to maintain the pressure resistance of the connector pins of the card part and to prevent the influence of external electromagnetic waves.
【０００８】[0008]
【実施例】実施例１． 以下、この発明の一実施例を図について説明する。図１
において、１は本発明において使用される保護盲カバー
で、絶縁材の表面に銅箔を貼り付けた導電部１ｃと、コ
ネクタピン６と対向部に設けた絶縁部１ａからなり、さ
らにＰネジ挿入用の取付穴１ｂが設けられている。[Embodiment 1] An embodiment of the present invention will be described below with reference to the drawings. FIG.
In the figure, reference numeral 1 denotes a protective blind cover used in the present invention, which comprises a conductive portion 1c in which a copper foil is adhered to the surface of an insulating material, an insulating portion 1a provided in a portion facing the connector pin 6, and further, a P screw is inserted. Mounting hole 1b is provided.
【０００９】このような保護盲カバー１を用いて形成し
た筺体を図２に示す。図において、裏面保護カバー２に
保護盲カバー１の絶縁部１ａ側を接触するように取付穴
１ｂにＰネジ（図示せず）を挿入して裏面保護カバー２
に設けられている保護盲カバー取付ネジ穴３にて固定す
る。保護盲カバー１の導電部１ｃはＰネジの頭部４と接
触し、導電部１ｃは裏面保護カバー２と接触する。マザ
ーボード５のコネクタピン６は保護盲カバー１の絶縁材
の絶縁部１ａと対向しているので耐圧を心配することな
く、外部からの電磁波は、裏面保護カバー２と導通をも
ち、同一電位となっているため遮へいされる。裏面保護
カバー２を取り外すときは、左右２ケ所のＰネジ７を除
去するだけで簡単にマザーボード５部の保守点検が可能
となる。FIG. 2 shows a housing formed by using such a protective blind cover 1. In the drawing, a P screw (not shown) is inserted into a mounting hole 1b so that the insulating portion 1a side of the protective blind cover 1 comes into contact with the back protective cover 2 to insert the back protective cover 2.
Is fixed with the protective blind cover mounting screw hole 3 provided in the above. The conductive portion 1c of the protective blind cover 1 contacts the head 4 of the P screw, and the conductive portion 1c contacts the back surface protective cover 2. Mother
Since the connector pins 6 of the board 5 face the insulating portion 1a of the insulating material of the protective blind cover 1, the electromagnetic waves from the outside have conduction with the rear protective cover 2 and have the same potential without worrying about withstand voltage. Is shielded. When removing the back protective cover 2, maintenance and inspection of the motherboard 5 can be easily performed simply by removing the two P screws 7 on the left and right.
【００１０】[0010]
【発明の効果】以上のようにこの発明によれば、マザー
ボードを有し内部に電気機器要素が収納される電気機器
筺体において、筺体の保護盲カバーを取付けることでマ
ザーボードのピンとの耐圧を保持でき、外部からの電磁
波による電気機器要素の誤動作を防止できる。また保護
盲カバー絶縁材に銅箔を貼付けて構成したので、その製
作は容易で安価にできる効果がある。As described above, according to the present invention, it is possible to maintain the pressure resistance with respect to the pins of the motherboard by mounting the protective blind cover of the housing in the electrical equipment housing having the motherboard and housing the electrical equipment elements therein. In addition, it is possible to prevent a malfunction of the electric device element due to an external electromagnetic wave. In addition, since the protective blind cover is formed by attaching a copper foil to the insulating material, there is an effect that its manufacture is easy and inexpensive.
【図１】この発明に使用される保護盲カバーの正面図ａ
と側面図ｂと裏面図ｃである。FIG. 1 is a front view a of a protective blind cover used in the present invention.
And a side view b and a back view c.
【図２】この発明の一実施例を示す裏面図ａと側面図ｂ
である。FIG. 2 is a rear view a and a side view b showing an embodiment of the present invention.
It is.
【図３】一般的な電気機器筺体の側面図である。FIG. 3 is a side view of a general electric device housing.
【図４】従来の保護盲カバーの斜視図である。FIG. 4 is a perspective view of a conventional protective blind cover.
【図５】従来の電気機器筺体の裏面図ａと側面図ｂであ
る。5A and 5B are a rear view a and a side view b of a conventional electric device housing.
１ 保護盲カバー １ａ 絶縁部 １ｂ 取付穴 １ｃ 導電部 ２ 裏面保護カバー ３ 取付ネジ穴 ４ Ｐネジ頭部 ５ マザーボード ６ コネクタピン ７ Ｐネジ ８ コネクタ ９ バックハウジングDESCRIPTION OF SYMBOLS 1 Protective blind cover 1a Insulating part 1b Mounting hole 1c Conductive part 2 Backside protective cover 3 Mounting screw hole 4 P screw head 5 Motherboard 6 Connector pin 7 P screw 8 Connector 9 Back housing
Claims (1)
納した電気機器筺体において、外部コネクタを取付けな
い裏面保護カバーの開口個所を、マザーボードに挿入さ
れているコネクタピンと対向する部分が絶縁部で、他が
導電部からなる保護盲カバーを上記裏面保護カバーにネ
ジ止めすることにより閉塞したことを特徴とする電気機
器筺体。1. An electric device housing having a motherboard and housing electric device elements, wherein an opening portion of a rear protective cover to which an external connector is not attached is provided with an insulating portion at a portion opposed to a connector pin inserted into the motherboard. An electrical device housing, wherein a protective blind cover made of a conductive portion is closed by screwing the protective blind cover to the back surface protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17935992A JP2640200B2 (en) | 1992-06-12 | 1992-06-12 | Electrical equipment housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17935992A JP2640200B2 (en) | 1992-06-12 | 1992-06-12 | Electrical equipment housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05347486A JPH05347486A (en) | 1993-12-27 |
| JP2640200B2 true JP2640200B2 (en) | 1997-08-13 |
Family
ID=16064475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17935992A Expired - Fee Related JP2640200B2 (en) | 1992-06-12 | 1992-06-12 | Electrical equipment housing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2640200B2 (en) |
-
1992
- 1992-06-12 JP JP17935992A patent/JP2640200B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05347486A (en) | 1993-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |