JPH0666557B2 - Shield device - Google Patents
Shield deviceInfo
- Publication number
- JPH0666557B2 JPH0666557B2 JP4220386A JP4220386A JPH0666557B2 JP H0666557 B2 JPH0666557 B2 JP H0666557B2 JP 4220386 A JP4220386 A JP 4220386A JP 4220386 A JP4220386 A JP 4220386A JP H0666557 B2 JPH0666557 B2 JP H0666557B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- cover
- shield
- packing material
- 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
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、各種電子機器でプリント基板上の特定部分を
シールドするために用いるシールド装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shield device used for shielding a specific portion on a printed circuit board in various electronic devices.
従来の技術 従来、この種の装置は筐体内にあらかじめ金属箱によっ
て各送信部、受信部、制御部、電源部ごとにシールドさ
れたものを収納したり、或いは筐体内に隔壁を設けて各
部を分割し、その中に各部ごとのプリント基板を収納
し、上部に共通の蓋を被せ、蓋と隔壁或いは外壁の間で
シールドパッキン等にシールドする方法、またはプリン
ト基板上のシールドを要する特定部分に金属板を曲げて
造った金属箱をかぶせ、プリント板に金属箔を半田付け
して止める方法があった。2. Description of the Related Art Conventionally, in this type of device, a housing is used to house shielded parts for each transmitting unit, receiving unit, control unit, and power supply unit in advance by a metal box, or a partition is provided in the housing to store each unit. Divide and store the printed circuit board of each part in it, cover the upper part with a common lid, and shield with shield packing etc. between the lid and the partition wall or outer wall, or to a specific part that requires shielding on the printed circuit board There was a method in which a metal box made by bending a metal plate was covered, and a metal foil was soldered to the printed board and fixed.
発明が解決しようとする問題点 しかしながら上記従来の装置では構造が複雑になったり
或いは構造は簡単であっても取付作業手間がかかったり
シールドが不完全になったりする問題点があった。Problems to be Solved by the Invention However, the above-mentioned conventional device has a problem that the structure is complicated, or even if the structure is simple, it takes a lot of time and effort for mounting work and the shield is incomplete.
本発明は上記従来の問題点を除去し、構造が簡単であり
容易に取付が行え、かつ安定なシールド特性の得れるシ
ールド装置を提供することを目的とするものである。SUMMARY OF THE INVENTION It is an object of the present invention to eliminate the above-mentioned conventional problems, and to provide a shield device which has a simple structure, can be easily attached, and can obtain stable shield characteristics.
問題点を解決するための手段 本発明は上記目的を達成するためにプリント基板上のシ
ールドを必要とする部分を囲み、プリント基板に接する
部分に溝を有するカバーを設け、前記カバーにシールド
パッキング材を充当して、前記カバーをプリント基板に
圧着するように構成したものである。Means for Solving the Problems In order to achieve the above-mentioned object, the present invention encloses a portion of a printed circuit board that requires a shield, and provides a cover having a groove in a portion in contact with the printed circuit board, and the shield packing material. And the cover is pressure-bonded to the printed circuit board.
作 用 本発明は上記のような構成であるので、単にカバーをプ
リント基板に押し付けた状態で固定するだけで簡単に良
好なシールド効果が得られる。Operation Since the present invention has the above-described configuration, a good shield effect can be easily obtained simply by fixing the cover while pressing it against the printed circuit board.
実施例 本発明の一実施例について図面と共に説明する。第１
図、第２図で、１はメイン筐体、２はメイン筐体１の開
口部を覆うカバー、2aはカバー２の蓋部、３はメイン筐
体１の底部４に一端が固定されたボス、５はプリント基
板、６はボス３の一部に設けた段付部、７はプリント基
板の段付部６が貫通する穴、８はカバー２を複数個所で
分割するリブ状の隔壁、９は隔壁８の下端に設けたシー
ルド用の溝部、10はシールド用の導電性と弾性を備えた
パッキング材、11はメイン筐体１の周辺部12に対応する
カバー２に沿って設けた筐体溝部、13は筐体溝部11に挿
入された同じくシールド用のパッキング材、14は周辺部
12の上部の凸条、15はボス３の上部のネジ穴、16は固定
ビス、17はカバー２の内面でボス３に対応する個所に設
けた凸起、18は突起17の穴、19はプリント基板５上に搭
載した回路部品である。なお、固定ビス16、ネジ穴15等
により固定手段を構成する。Embodiment An embodiment of the present invention will be described with reference to the drawings. First
In FIGS. 2 and 1, 1 is a main housing, 2 is a cover that covers the opening of the main housing 1, 2a is a cover portion of the cover 2, and 3 is a boss whose one end is fixed to the bottom portion 4 of the main housing 1. 5 is a printed circuit board, 6 is a stepped portion provided in a part of the boss 3, 7 is a hole through which the stepped portion 6 of the printed circuit board passes, 8 is a rib-shaped partition wall that divides the cover 2 at a plurality of places, 9 Is a groove for shielding provided at the lower end of the partition wall, 10 is a packing material having conductivity and elasticity for shielding, and 11 is a casing provided along the cover 2 corresponding to the peripheral portion 12 of the main casing 1. Groove portion, 13 is a packing material for the same shield inserted in the housing groove portion 11, and 14 is a peripheral portion.
12 is an upper ridge, 15 is a screw hole in the upper part of the boss 3, 16 is a fixing screw, 17 is a protrusion provided on the inner surface of the cover 2 at a position corresponding to the boss 3, 18 is a hole of the protrusion 17, and 19 is It is a circuit component mounted on the printed circuit board 5. The fixing screw 16 and the screw hole 15 constitute a fixing means.
次に上記実施例の動作を第１図、第２図と共に説明す
る。Next, the operation of the above embodiment will be described with reference to FIGS.
あらかじめ回路部品19が搭載されたプリント基板５上の
領域Ａを他の部分に対してシールドしようとする場合
に、プリント基板５をネジ穴15にボス３の段付部６を貫
通させ、またパッキング材10,13をそれぞれカバーの溝
部９と筐体溝部11とに挿入しておき、固定ビス16により
カバー２をネジ穴15に締め付けカバー２とメイン筐体１
とを互に固定する。この時、カバー２の隔壁８はパッキ
ング材10によりプリント基板５の導体面に弾性的に圧接
され、領域Ａの周辺を隔壁８及びカバーの一部から成る
導体面により覆うことになる。また、カバー２とメイン
筐体１とはその周辺部12において、筐体溝部11に挿入し
たパッキング材11を介して互に電気的に接触する。従っ
て、パッキング材13は中のプリント基板５とメイン筐体
１の外部との間をシールドし、またパッキング材10はプ
リント基板５上のシールドを必要とする領域Ａをプリン
ト基板５の他の部分に対してシールドすることになる。When the area A on the printed circuit board 5 on which the circuit component 19 is mounted is to be shielded from other parts in advance, the printed circuit board 5 is inserted into the screw hole 15 through the stepped portion 6 of the boss 3 and is also packed. The materials 10 and 13 are inserted into the groove 9 of the cover and the housing groove 11, respectively, and the cover 2 is fastened to the screw hole 15 by the fixing screw 16 and the cover 2 and the main housing 1 are inserted.
Fix and to each other. At this time, the partition wall 8 of the cover 2 is elastically pressed against the conductor surface of the printed circuit board 5 by the packing material 10, and the periphery of the area A is covered with the partition wall 8 and the conductor surface of a part of the cover. Further, the cover 2 and the main housing 1 are electrically contacted with each other at the peripheral portion 12 via the packing material 11 inserted in the housing groove portion 11. Therefore, the packing material 13 shields the space between the printed circuit board 5 inside and the outside of the main housing 1, and the packing material 10 covers the area A on the printed circuit board 5 where the shield is necessary in other parts of the printed circuit board 5. Will be shielded against.
なお、上記実施例では、プリント基板上の特定領域Ａの
シールドとプリント基板全体のシールドを兼ねた例を示
したが、もちろん特定領域のシールドのみでも行える。
さらに、特定領域は複数であっても、その境界線が複雑
な形状をしていてもかまわない。In the above embodiment, an example is shown in which the shield for the specific area A on the printed circuit board and the shield for the entire printed circuit board are used, but it is needless to say that only the shield for the specific area can be used.
Further, even if there are a plurality of specific areas, the boundary line may have a complicated shape.
上記実施例にも示されるように、プリント基板自分は、
複数の機能の回路を搭載した一枚基板に対しても、機能
ごとにプリント基板を細分する必要がない。As shown in the above example, the printed circuit board
It is not necessary to subdivide the printed circuit board for each function even for a single circuit board on which circuits having a plurality of functions are mounted.
発明の効果 以上実施例により説明したように本発明によれば、プリ
ント基板上のシールドを要する部分の周囲を囲むと共に
囲んだ領域の上部を覆うカバーを設け、前記カバーのプ
リント基板と接する個所の周辺に沿って溝を設け、溝に
導電性のパッキング材を挿入して、カバーごとプリント
基板に押し付けて固定するように構成したので、簡単な
構造でしかも、カバーとプリント基板との間に半田付等
の作業をすることなく安定に大型のプリント基板上の任
意の、或いは複数の領域をシールド出来る利点がある。EFFECTS OF THE INVENTION According to the present invention as described above with reference to the embodiments, a cover is provided that surrounds the periphery of a portion of a printed circuit board that requires a shield and covers the upper part of the enclosed area, and a portion of the cover that contacts the printed circuit board is provided. Since the groove is provided along the periphery, and the conductive packing material is inserted into the groove and the cover is pressed and fixed to the printed circuit board, the structure is simple and the solder is placed between the cover and the printed circuit board. There is an advantage that it is possible to stably shield an arbitrary area or a plurality of areas on a large-sized printed board without performing work such as attaching.
また、プリント基板側に特別の加工或いは部品を要しな
い利点もある。There is also an advantage that no special processing or parts are required on the printed circuit board side.
第１図は本発明の一実施例におけるシールド装置の構成
を示す断面図、第２図は同装置のパッキング材及びカバ
ーの分解斜視図である。 １……メイン筐体、２……カバー、３……ボス、５……
プリント基板、８……隔壁、９……溝部、10,13……パ
ッキング材、11……筐体溝部、16……固定ビス、19……
回路部品。FIG. 1 is a cross-sectional view showing the configuration of a shield device according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of a packing material and a cover of the device. 1 ... Main housing, 2 ... Cover, 3 ... Boss, 5 ...
Printed circuit board, 8 ... Partition, 9 ... Groove, 10,13 ... Packing material, 11 ... Housing groove, 16 ... Fixing screw, 19 ...
Circuit parts.
Claims (1)
の領域の周辺に沿って設けた隔壁とその上部を覆う蓋部
とを備えたカバーと、前記隔壁の前記プリント基板に接
する部分に設けた溝部と、前記溝部に挿入した導電性と
弾性とを有するパッキング材と、前記カバーを前記プリ
ント基板に弾性的に圧接するための固定手段とを備えた
シールド装置。1. A cover provided with a partition wall provided along the periphery of a specific region on a printed circuit board on which circuit components are mounted and a lid portion covering the upper part thereof, and a part of the partition wall in contact with the printed circuit board. A shield device comprising: a groove portion; a packing material inserted into the groove portion; having a conductivity and elasticity; and a fixing means for elastically pressing the cover onto the printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4220386A JPH0666557B2 (en) | 1986-02-27 | 1986-02-27 | Shield device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4220386A JPH0666557B2 (en) | 1986-02-27 | 1986-02-27 | Shield device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62199098A JPS62199098A (en) | 1987-09-02 |
| JPH0666557B2 true JPH0666557B2 (en) | 1994-08-24 |
Family
ID=12629450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4220386A Expired - Lifetime JPH0666557B2 (en) | 1986-02-27 | 1986-02-27 | Shield device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0666557B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0528796Y2 (en) * | 1987-11-27 | 1993-07-23 | ||
| JP2825670B2 (en) * | 1990-12-14 | 1998-11-18 | 富士通株式会社 | High frequency circuit device shield structure |
| JPH0529785A (en) * | 1991-07-19 | 1993-02-05 | Mitsubishi Electric Corp | Shielding structure of mobile phone |
| JP5258029B2 (en) * | 2008-07-18 | 2013-08-07 | Ｎｅｃアクセステクニカ株式会社 | Electronics |
| US20120155053A1 (en) * | 2009-08-26 | 2012-06-21 | Yuichiro Nara | Case for electronic components |
-
1986
- 1986-02-27 JP JP4220386A patent/JPH0666557B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62199098A (en) | 1987-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU93049412A (en) | CONNECTING BOX FOR SCREENED CABLE, IN PARTICULAR FOR DATA TRANSFER CABLE | |
| JPH0666557B2 (en) | Shield device | |
| JPH02955Y2 (en) | ||
| JPH0134374Y2 (en) | ||
| JPS63133600A (en) | Shielding structure of electronic equipment | |
| JP2514979B2 (en) | Electronic device shield structure | |
| JPS6031698A (en) | Photoelectric smoke sensor | |
| JP2694224B2 (en) | Electronic equipment case | |
| JPH0651022Y2 (en) | Electronic device housing | |
| JPH0617353Y2 (en) | Electronic device housing structure | |
| JPH0513036Y2 (en) | ||
| JPH1097880A (en) | Capacitor box for connector | |
| JPH0418291Y2 (en) | ||
| JPH0710557Y2 (en) | Noise shield device for printed circuit boards | |
| JP2005191827A (en) | Antenna module and its mounting device | |
| JPH0362595A (en) | Shielding structure for electronic device | |
| JP3197062B2 (en) | High frequency circuit device | |
| JPH023670Y2 (en) | ||
| JP2526139Y2 (en) | Connection structure of electric circuit board | |
| JPH10333779A (en) | Board supporting device and portable information equipment housing circuit board | |
| JPS6144443Y2 (en) | ||
| JPS6333485Y2 (en) | ||
| JPS5856488U (en) | Display unit mounting structure | |
| JPH0717138Y2 (en) | Composite electronic components | |
| JPH06260785A (en) | Substrate shielding structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |