JPH08172289A - Waterproof electromagnetically-shielded enclosure structure - Google Patents

Waterproof electromagnetically-shielded enclosure structure

Info

Publication number
JPH08172289A
JPH08172289A JP31682294A JP31682294A JPH08172289A JP H08172289 A JPH08172289 A JP H08172289A JP 31682294 A JP31682294 A JP 31682294A JP 31682294 A JP31682294 A JP 31682294A JP H08172289 A JPH08172289 A JP H08172289A
Authority
JP
Japan
Prior art keywords
packing
waterproof
door
conductive
housing
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
Application number
JP31682294A
Other languages
Japanese (ja)
Inventor
Tomoaki Kanazawa
澤 智 昭 金
Toshinori Yoshida
田 利 典 吉
Yasuhiko Shinmachi
町 安 彦 新
Tsutomu Aoki
木 努 青
Yasuhito Kitajima
島 保 仁 北
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOTSU SOKEN KK
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Matsuda Seisakusho Co Ltd
Original Assignee
TOTSU SOKEN KK
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Matsuda Seisakusho Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TOTSU SOKEN KK, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Matsuda Seisakusho Co Ltd filed Critical TOTSU SOKEN KK
Priority to JP31682294A priority Critical patent/JPH08172289A/en
Publication of JPH08172289A publication Critical patent/JPH08172289A/en
Pending legal-status Critical Current

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  • Casings For Electric Apparatus (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

PURPOSE: To provide a waterproof electromagnetically-shielded enclosure structure, for outdoor installation, by which an electromagnetic shielding property is maintained and which is provided with waterproofness. CONSTITUTION: A shielded enclosure structure is blocked up in such a way that a conductive packing 2 is sandwiched between the opening, peripheral part of an enclosure 1 which has been opened and the peripheral part of a door 3 which blocks up the opening peripheral part. In the shielded enclosure structure, a waterproof packing 6 is attached to the outside peripheral edge part of the conductive packing 2, both the conductive packing 2 and the waterproof packing 6 are sandwiched when the enclosure 1 is blocked up by the door 3, and a tightly closed structure is formed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は電子装置の防水電磁シー
ルド筐体構造に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof electromagnetic shield housing structure for electronic devices.

【0002】[0002]

【従来の技術】近年、コンピュータ、通信装置等の電子
装置がディジタル化、高速化されるとともに、これらが
広範囲に普及することに伴い、電子装置から周囲空間に
放射される電子妨害波が問題となっている。このため国
内においても情報処理装置等自主規制審議会(VCC
I)が発足し、規制値を設けることにより他の機器への
妨害を防止することが行われつつある。そしてその対策
には電子装置を収容する筐体として金属性のシールド筐
体が使用されている。
2. Description of the Related Art In recent years, electronic devices such as computers and communication devices have been digitized and speeded up, and with the widespread use of these devices, electronic interference waves emitted from the electronic devices to the surrounding space have become a problem. Has become. Therefore, even in Japan, the voluntary regulation council for information processing equipment (VCC
Since I) was established and a regulation value is set, it is being performed to prevent interference with other devices. As a countermeasure, a metallic shield casing is used as a casing for housing the electronic device.

【0003】この場合、シールド筐体には開閉部の隙間
から電磁波が漏洩するのを防止するため導電性パッキン
グが使用されている。
In this case, a conductive packing is used in the shield case in order to prevent electromagnetic waves from leaking through the gap between the opening and closing parts.

【0004】ところで従来のシールド筐体の構造は、例
えば図5にその一例を斜視図で示すようになっており、
図6はその横断面図である。これによると導電性パッキ
ングbは筒状部分b1 と、この筒状部分の外面に固着さ
れた突起部分b2 とを有していて筒状部分b1 は筐体a
の前面開口周縁部に接するように設けられ、突起部分b
2 は前面開口周縁部に設けられた孔a1 を通して筐体a
の内面に接するように取付けられ、これにより導電性パ
ッキングbは筐体aから外れないようにしたものであ
る。そしてドアcを閉じたとき導電性パッキングbの筒
状部分b1 がドア周縁部と接触することにより、筐体a
とドアcの間に隙間が生じないようにしたものである。
By the way, the structure of a conventional shield housing is shown, for example, in a perspective view in FIG.
FIG. 6 is a cross sectional view thereof. According to this, the conductive packing b has a tubular portion b 1 and a protruding portion b 2 fixed to the outer surface of the tubular portion, and the tubular portion b 1 is the casing a.
Is provided so as to contact the peripheral edge of the front opening of the
2 is a case a through a hole a 1 provided at the peripheral edge of the front opening
It is attached so as to be in contact with the inner surface of the casing, whereby the conductive packing b is prevented from coming off from the casing a. When the door c is closed, the tubular portion b 1 of the conductive packing b comes into contact with the peripheral edge of the door, so that the casing a
It is designed so that there is no gap between the door and the door c.

【0005】この場合、導電性パッキングとしては、電
気的抵抗の小さいものが必要であるため、金属を被せた
円筒状ゴムや金属バネが使用されている。そして十分な
シールド効果を得るためには、この導電性パッキングが
少なくとも20〜30%以上に圧縮されるように筐体a
の前面開口周縁部とドアcの周縁部とに隙間を設定する
必要がある。この隙間は、蝶番dとハンドルeを介して
ドアcを筐体aの開口周縁部裏側に止めてある押さえ金
具fにより保持されるようにしている。
In this case, since the conductive packing needs to have a small electric resistance, a cylindrical rubber covered with a metal or a metal spring is used. In order to obtain a sufficient shielding effect, the casing a is so compressed that the conductive packing is compressed to at least 20 to 30% or more.
It is necessary to set a gap between the peripheral edge of the front opening and the peripheral edge of the door c. This gap is held by a metal fitting f that holds the door c behind the opening peripheral edge of the housing a via a hinge d and a handle e.

【0006】[0006]

【発明が解決しようとする課題】しかしながらこの筐体
aを屋外に設置した場合には、導電性パッキングbだけ
でシールドすることはパッキングに金網を被せてあるた
め、筐体aとドアcが完全に密着せず、雨水等が金網の
隙間から突起部分b2 を通す筐体aの孔a1 を通して内
部に漏洩浸透し、収容されている電子装置等に絶縁不良
を誘因する恐れがあり、使用することができなかった。
However, when the housing a is installed outdoors, the shielding is performed only by the conductive packing b because the packing is covered with a wire mesh, so that the housing a and the door c are completely sealed. There is a risk that rainwater, etc., will not leak into the interior of the housing and will leak and penetrate into the interior through the hole a 1 of the housing a through which the protrusion b 2 passes through the gap of the wire mesh, causing insulation failure in the contained electronic device. I couldn't.

【0007】本発明は上記の欠点を解決するため、電磁
シールド性を維持するとともに防水性を備えた屋外(地
上並びに柱上等)設置用の防水電磁シール筐体構造を提
供して従来技術の持つ欠点の解消を図ることを目的とし
てなされたものである。
In order to solve the above-mentioned drawbacks, the present invention provides a waterproof electromagnetic seal housing structure for outdoor installation (ground or pole etc.) which maintains the electromagnetic shielding property and is waterproof. It was made with the aim of eliminating the drawbacks it possesses.

【0008】[0008]

【課題を解決するための手段】上記目的を達成するため
本発明は、一面が開口された筐体の開口周辺部と、該開
口周辺部を閉塞するドアの周辺部との間に導電性パッキ
ングを挟在して閉塞するようにしたシールド筐体構造に
おいて、前記導電性パッキングの外側周縁部に防水パッ
キングを取付け、前記筐体のドアによる閉塞時、導電性
パッキングと防水パッキングの双方の挾み込みにより密
閉となる構造としたことを特徴とする。
In order to achieve the above object, the present invention provides a conductive packing between a peripheral portion of an opening of a casing having one surface opened and a peripheral portion of a door closing the peripheral portion of the opening. In a shielded casing structure in which the conductive packing is sandwiched between the conductive packing and the conductive packing, a waterproof packing is attached to the outer peripheral edge of the conductive packing. It is characterized in that it has a structure in which it is hermetically closed by being embedded.

【0009】[0009]

【作用】上記構成によれば、シールドのため必要とされ
る導電性パッキングと防水パッキングの圧縮率はそれぞ
れ異なるためパッキングの形状に合わせた取付け構造と
なっており、筐体の開口部周辺外側に設けた防水パッキ
ングにより雨水の浸透が防止でき、かつ内側に設けた導
電性パッキングにより電磁妨害波の漏洩が防止される。
According to the above construction, since the conductive packing and the waterproof packing, which are required for shielding, have different compression rates, the mounting structure is adapted to the shape of the packing, and the packing is attached to the outside of the opening of the housing. The waterproof packing provided prevents rainwater from penetrating, and the conductive packing provided inside prevents leakage of electromagnetic interference waves.

【0010】[0010]

【実施例】以下、本発明を図面に示す実施例を参照して
説明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the drawings.

【0011】図1は本発明にかかる防水電磁シールド筐
体構造の一実施例の斜視図を示すもので、筐体1ならび
にドア3等の構成部品は、屋外大気中においての発錆防
止、抑制を行うとともに導電性パッキング2との接触面
を容易に導電させるため無処理な面を必要としステンレ
ス鋼を使用している。
FIG. 1 is a perspective view of an embodiment of a waterproof electromagnetic shield housing structure according to the present invention. Components such as the housing 1 and door 3 are used for preventing and suppressing rusting in the outdoor atmosphere. In order to make the contact surface with the conductive packing 2 easily conductive, a non-treated surface is required and stainless steel is used.

【0012】すなわち図2に示すように筐体1の開口部
内側周縁には導電性パッキング2が設けられ、その外側
周縁には断面四角形の防水パッキング6が設けられてい
る。
That is, as shown in FIG. 2, a conductive packing 2 is provided on the inner peripheral edge of the opening of the housing 1, and a waterproof packing 6 having a quadrangular cross section is provided on the outer peripheral edge thereof.

【0013】また、ドア3には一例として蝶番4が取付
けられているが、この部分はヒンジ形式でもよい。蝶番
4の反対側にはハンドル7が設けられており、これは固
定、あるいは取外し式でもよいが、回転させることによ
り押さえ金具5を筐体1の開口部裏面に摺動回転させパ
ッキングを圧縮状態に保持させるようにしたものであ
る。そしてシールド効果を向上させるため筐体1とドア
3との間に導電性パッキング2が位置され、その外側の
防水パッキング6は筐体1とドア3との間にあって防水
のため密着状態に取付けられている。
Although the hinge 4 is attached to the door 3 as an example, this portion may be a hinge type. A handle 7 is provided on the opposite side of the hinge 4, which may be fixed or detachable, but by rotating it, the holding metal fitting 5 is slidably rotated on the back surface of the opening of the housing 1 to compress the packing. It is designed to be held by. In order to improve the shield effect, the conductive packing 2 is located between the housing 1 and the door 3, and the waterproof packing 6 on the outside thereof is located between the housing 1 and the door 3 and is attached in a tightly adhered state for waterproofing. ing.

【0014】つぎにその詳細を説明する。The details will be described below.

【0015】防水パッキング6ならびに導電性パッキン
グ2の筐体1側への取付には、図3に拡大した斜視図で
示すように各々のパッキングは必要とされる圧縮率が異
なるため取付方法も異なるようにしている。
When mounting the waterproof packing 6 and the conductive packing 2 on the housing 1 side, as shown in the enlarged perspective view of FIG. I am trying.

【0016】すなわち、図4は図3における導電性パッ
キング2を筐体1に取付ける前の分解状態を示す斜視図
で、導電性パッキング2の形状は図6に示した従来例と
同様に筐体1の開口部周縁に接する筒状部分2aと、反
対側の突起部分2bとからなり、筐体1へ取付られる突
起部分2bは断面矢印状のクサビ形となっており、材質
はゴム等による軟質のものが用いられている。これに対
応する筐体1には開口縁部端部を形成する折曲げ部分1
aに平行な溝形形状の別部材が固着されており、この折
曲げ部分1aと別部材とで断面「ヨ」の字状をなす1
a,1b,1cの縦部材が形成される。そして縦部材1
aと1bの側面には垂直方向に長穴8を設けることによ
り図の矢印方向にクサビ状の突起部分2bを挿入したと
き、その末広部が長穴8に食い込むことで保持される構
造とされている。なお、保持される突起部分2bは長手
方向に間欠的に設けられているものである。これにより
導電性パッキング2は筐体1の外側て保持されることに
なる。そして防水パッキング6は断面四角形状の一部に
設けられた切り込み部分で前記縦部材1cを挟むように
ように取付けられ、図3に示す状態となる。
That is, FIG. 4 is a perspective view showing a disassembled state before the conductive packing 2 in FIG. 3 is attached to the housing 1, and the shape of the conductive packing 2 is the same as that of the conventional example shown in FIG. 1 has a cylindrical portion 2a in contact with the peripheral edge of the opening and a protruding portion 2b on the opposite side, and the protruding portion 2b attached to the housing 1 has a wedge-shaped cross section and is made of rubber or the like. Is used. Corresponding to this, the casing 1 has a bent portion 1 forming an edge portion of the opening edge.
Another groove-shaped member parallel to a is fixed, and the bent portion 1a and the other member form a "Y" -shaped section 1
Vertical members a, 1b, 1c are formed. And the vertical member 1
By providing elongated holes 8 in the vertical direction on the side surfaces of a and 1b, when the wedge-shaped projection portion 2b is inserted in the direction of the arrow in the drawing, the divergent portion thereof is held by being cut into the elongated hole 8. ing. The protrusions 2b to be held are provided intermittently in the longitudinal direction. As a result, the conductive packing 2 is held outside the housing 1. Then, the waterproof packing 6 is attached so that the vertical member 1c is sandwiched by the notches provided in a part of the quadrangular cross section, and the state shown in FIG. 3 is obtained.

【0017】したがって筐体1をドア3により閉める場
合、一方を蝶番4を介し、他方をハンドル7を介した押
さえ金具5により圧縮されるのでシールド効果を生じさ
せることになる。すなわち、筐体1の開口周縁部の外側
にある防水パッキング6、および内側にある導電性パッ
キング2の筒状部分2aがそれぞれドア3により圧縮さ
れて密着状態となるので、防水パッキング6により雨水
の浸透が防止され、導電性パッキング2により電磁妨害
波の漏洩が防止できる。
Therefore, when the case 1 is closed by the door 3, one side is compressed by the hinge 4 and the other side is compressed by the pressing metal 5 through the handle 7, so that a shielding effect is produced. That is, the waterproof packing 6 on the outside of the peripheral edge of the opening of the housing 1 and the tubular portion 2a of the conductive packing 2 on the inside are respectively compressed by the door 3 and brought into close contact with each other. Permeation is prevented, and leakage of electromagnetic interference waves can be prevented by the conductive packing 2.

【0018】[0018]

【発明の効果】以上説明したように本発明によれば、筐
体の開口部分を閉塞する部分に防水パッキングならびに
導電性パッキングを設けたことにより、屋外大気中にお
いて雨水が内部へ浸入することを防止するとともに、電
磁波妨害の漏洩が防止でき、内部に収容された通信装置
の安全を維持できる利点がある。特に導電性パッキング
は筐体に対して外側で保持するように取付けられている
から、電磁妨害波の漏洩を有効に防止することができ
る。
As described above, according to the present invention, by providing the waterproof packing and the conductive packing in the portion that closes the opening of the housing, rainwater can be prevented from entering the inside in the outdoor atmosphere. In addition to the prevention, leakage of electromagnetic wave interference can be prevented, and the safety of the communication device housed inside can be maintained. Particularly, since the conductive packing is attached to the housing so as to be held outside, it is possible to effectively prevent leakage of electromagnetic interference waves.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の防水電磁シールド筐体構造の一実施例
を示す斜視図。
FIG. 1 is a perspective view showing an embodiment of a waterproof electromagnetic shield casing structure of the present invention.

【図2】図1の横断面図。2 is a cross-sectional view of FIG.

【図3】図1の断面詳細斜視図。FIG. 3 is a detailed cross-sectional perspective view of FIG.

【図4】図3の導電性パッキングの取付を説明するため
の斜視図。
FIG. 4 is a perspective view for explaining attachment of the conductive packing of FIG.

【図5】従来の電磁シールド筐体の一例の斜視図。FIG. 5 is a perspective view of an example of a conventional electromagnetic shield housing.

【図6】図5の横断面図。6 is a cross-sectional view of FIG.

【符号の説明】[Explanation of symbols]

1 筐体 2 導電性パッキング 2a 筒状部分 2b 突起部分 3 ドア 6 防水パッキング 8 長穴 1 Case 2 Conductive packing 2a Cylindrical part 2b Projection part 3 Door 6 Waterproof packing 8 Slot

───────────────────────────────────────────────────── フロントページの続き (71)出願人 000004237 日本電気株式会社 東京都港区芝五丁目7番1号 (72)発明者 金 澤 智 昭 東京都千代田区内幸町1丁目1番6号 日 本電信電話株式会社内 (72)発明者 吉 田 利 典 東京都港区白金3丁目11番1号 株式会社 松田製作所内 (72)発明者 新 町 安 彦 東京都目黒区碑文谷1丁目25番16号 株式 会社トーツー創研内 (72)発明者 青 木 努 東京都港区芝浦4丁目10番16号 沖電気工 業株式会社内 (72)発明者 北 島 保 仁 東京都港区芝5丁目33番1号 日本電気株 式会社内 ─────────────────────────────────────────────────── ─── Continuation of front page (71) Applicant 000004237 5-7-1 Shiba, Minato-ku, Tokyo (72) Inventor Tomoaki Kanazawa 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corporation (72) Inventor Toshinori Yoshida 3-11-1, Shirokane, Minato-ku, Tokyo Inside Matsuda Manufacturing Co., Ltd. (72) Inventor Yasuhiko Shinmachi 1-25-16, Himonya, Meguro-ku, Tokyo Toto Soken Co., Ltd. (72) Inventor Tsutomu Aoki 4-10-16 Shibaura, Minato-ku, Tokyo Oki Electric Industry Co., Ltd. (72) Hojin Hitoshi Kitajima 5-33 Shiba, Minato-ku, Tokyo No. 1 NEC Corporation

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】一面が開口された筐体の開口周辺部と、該
開口周辺部を閉塞するドアの周辺部との間に導電性パッ
キングを挟在して閉塞するようにしたシールド筐体構造
において、前記導電性パッキングの外側周縁部に防水パ
ッキングを取付け、前記筐体のドアによる閉塞時、導電
性パッキングと防水パッキングの双方の挟み込みにより
密閉となる構造としたことを特徴とする防水電磁シール
ド筐体構造。
1. A shield casing structure in which a conductive packing is sandwiched between a peripheral portion of an opening of a casing whose one surface is opened and a peripheral portion of a door which closes the peripheral portion of the opening so as to be closed. 2. A waterproof electromagnetic shield, wherein a waterproof packing is attached to an outer peripheral edge of the conductive packing, and when the door of the housing is closed, the conductive packing and the waterproof packing are sandwiched so as to be hermetically sealed. Case structure.
【請求項2】前記筐体とドアとに前記導電性パッキング
の前後が接触するように取付けるとともに、その接触面
を導電とするため無処理のままとしたことを特徴とする
請求項1記載の防水電磁シールド筐体構造。
2. The housing is attached to the door so that the front and rear of the conductive packing are in contact with each other, and the contact surface is conductive so that it is left untreated. Waterproof electromagnetic shield housing structure.
【請求項3】前記筐体並びにドア等構成部品の材質をス
テンレス鋼としたことを特徴とする請求項1記載の防水
電磁シールド筐体構造。
3. The waterproof electromagnetic shield casing structure according to claim 1, wherein the casing and door and other components are made of stainless steel.
JP31682294A 1994-12-20 1994-12-20 Waterproof electromagnetically-shielded enclosure structure Pending JPH08172289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31682294A JPH08172289A (en) 1994-12-20 1994-12-20 Waterproof electromagnetically-shielded enclosure structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31682294A JPH08172289A (en) 1994-12-20 1994-12-20 Waterproof electromagnetically-shielded enclosure structure

Publications (1)

Publication Number Publication Date
JPH08172289A true JPH08172289A (en) 1996-07-02

Family

ID=18081307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31682294A Pending JPH08172289A (en) 1994-12-20 1994-12-20 Waterproof electromagnetically-shielded enclosure structure

Country Status (1)

Country Link
JP (1) JPH08172289A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101140256B1 (en) * 2011-08-04 2012-04-26 주식회사 누리플랜 Body for emp protection facilities

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101140256B1 (en) * 2011-08-04 2012-04-26 주식회사 누리플랜 Body for emp protection facilities

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