JPH0617358Y2 - Electromagnetic wave shielding plate with air circulation holes - Google Patents
Electromagnetic wave shielding plate with air circulation holesInfo
- Publication number
- JPH0617358Y2 JPH0617358Y2 JP9911188U JP9911188U JPH0617358Y2 JP H0617358 Y2 JPH0617358 Y2 JP H0617358Y2 JP 9911188 U JP9911188 U JP 9911188U JP 9911188 U JP9911188 U JP 9911188U JP H0617358 Y2 JPH0617358 Y2 JP H0617358Y2
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic wave
- shielding plate
- wave shielding
- air circulation
- honeycomb core
- 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
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 10
- 239000011888 foil Substances 0.000 claims description 9
- 238000007751 thermal spraying Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 2
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、空気流通孔を備えた電磁波遮蔽板、即ち、
エアーベントパネルに係わり、更に詳しくはアルミ製ハ
ニカムコアの積層方向での電気的特性を改善して成る空
気流通孔を備えた電磁波遮蔽板に関するものである。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an electromagnetic wave shielding plate provided with air circulation holes,
The present invention relates to an air vent panel, and more particularly to an electromagnetic wave shielding plate having air circulation holes formed by improving the electrical characteristics of an aluminum honeycomb core in the stacking direction.
従来、電磁波シールドを施した室においては、室内及び
室外からの電磁波の影響を受けないように密閉された状
態に構成されているが、室内の温度調節のためには、側
壁に空気の流通窓や孔等を設ける必要がある。しかし、
この空気の流通窓や孔等から電磁波が洩れて電波障害を
起こすことが考えられるため、従来では、冷却用空気の
出入り口に、空気の流通孔を備え、かつ電磁波の遮蔽機
能を有するハニカムコアにより構成した電磁波遮蔽板
（エアー・ベントパネル）が使用されている。Conventionally, in a room provided with an electromagnetic wave shield, it is configured to be hermetically sealed so as not to be affected by electromagnetic waves from inside and outside the room, but in order to control the temperature in the room, an air flow window is provided on the side wall. It is necessary to provide holes and holes. But,
Since it is considered that electromagnetic waves may leak from the air circulation windows and holes to cause radio interference, conventionally, a honeycomb core having an air circulation hole at the inlet and outlet of cooling air and having an electromagnetic wave shielding function is used. The configured electromagnetic wave shielding plate (air vent panel) is used.
上記の空気流通孔を備えた電磁波遮蔽板は、ハニカムコ
ア・フレーム・ガスケットで構成されており、またハニ
カムコアの殆どがアルミ製のコアであって、その製造方
法としては、接着剤によりアルミ箔を積層させ、これを
展張させて構成するものである。The electromagnetic wave shielding plate provided with the above air circulation holes is composed of a honeycomb core, a frame and a gasket, and most of the honeycomb cores are aluminum cores. Is laminated and expanded to form a structure.
このため、アルミ箔同志の接合部分においては電気的特
性は良いが、ハニカムコアの積層方向では、接着剤によ
り電気的特性が劣り、十分なシールド効果を得ることが
できないと言う問題があった。For this reason, although the electrical characteristics are good in the joint portion between the aluminum foils, there is a problem that the electrical characteristics are poor due to the adhesive in the stacking direction of the honeycomb core, and a sufficient shielding effect cannot be obtained.
この考案は、かかる従来の問題点に着目して案出された
もので、アルミ製ハニカムコアにおいて、特に接着剤に
より電気的特性が劣る部分に、金属溶射して金属材料の
ブリッジを構成することにより電気的特性を改善し、電
磁波遮蔽板としてのシールド性能を向上させた空気流通
孔を備えた電磁波遮蔽板を提供することを目的とするも
のである。The present invention has been devised by focusing on such a conventional problem, and in an aluminum honeycomb core, a metal material is sprayed to form a bridge of a metal material particularly on a portion having poor electrical characteristics due to an adhesive. Therefore, it is an object of the present invention to provide an electromagnetic wave shielding plate having air circulation holes having improved electrical characteristics and improved shielding performance as an electromagnetic wave shielding plate.
この考案は上記目的を達成するため、ハニカムコア積層
断面の接着剤上に、金属材料を溶射により付着させ、前
記ハニカムコアのアルミ箔間に、ブリッジ部を構成した
ことを要旨とするものである。In order to achieve the above-mentioned object, the present invention is characterized in that a metal material is deposited by thermal spraying on an adhesive having a honeycomb core laminated cross section to form a bridge portion between the aluminum foils of the honeycomb core. .
この考案は、上記のように構成され、接着剤により電気
的特性が劣る部分に、金属溶射して金属材料のブリッジ
を構成することにより、電気的抵抗がなくなり、電気的
特性を改善して電磁波遮蔽板としてのシールド性能を向
上させることが出来るようにしたことを特徴とするもの
である。This invention is configured as described above, and by forming a bridge of a metal material by spraying a metal on a portion having poor electrical characteristics by an adhesive, electrical resistance is eliminated, and electrical characteristics are improved to improve electromagnetic waves. It is characterized in that the shielding performance as a shielding plate can be improved.
以下添付図面に基いて、この考案の実施例を説明する。 An embodiment of the present invention will be described below with reference to the accompanying drawings.
第１図は、この考案を実施した電磁波遮蔽板の平面図、
第２図は第１図のII−II矢視断面図、第３図は第１図の
Ｘ部の拡大平面図を示し、１は、アルミ箔を接着剤２を
介して積層させ、これを展張させて構成したアルミ製の
ハニカムコア、３はハニカムコア１の周囲に装着したフ
レーム、４はガスケット、５は前記ハニカムコア積層断
面の接着剤２上で、かつハニカムコア１のアルミ箔間へ
金属材料を溶射により付着させて構成したブリッジ部で
ある。FIG. 1 is a plan view of an electromagnetic wave shielding plate embodying the present invention,
FIG. 2 is a sectional view taken along the line II-II in FIG. 1, and FIG. 3 is an enlarged plan view of a portion X in FIG. 1, where 1 is an aluminum foil laminated with an adhesive 2, A honeycomb core made of expanded aluminum, 3 is a frame mounted around the honeycomb core 1, 4 is a gasket, 5 is on the adhesive 2 of the honeycomb core laminated cross section, and between the aluminum foils of the honeycomb core 1. It is a bridge portion formed by depositing a metal material by thermal spraying.
上記、ブリッジ部５の金属材料としては、アルミニウ
ム，銅またはモリブデンと錫との合金等を使用し、金属
溶射により付着させて構成する。なお、このブリッジ部
５の金属材料が、その後、サビ等の腐食等が発生しない
ように、速やかにクロメート化学被膜処理等の防錆処理
を行うことが好ましい。As the metal material of the bridge portion 5, aluminum, copper, an alloy of molybdenum and tin, or the like is used, and the bridge portion 5 is formed by depositing by metal spraying. In addition, it is preferable that the metal material of the bridge portion 5 is promptly subjected to a rust preventive treatment such as a chromate chemical film treatment so that corrosion or the like such as rust does not occur thereafter.
上記の電磁波遮蔽板の製造方法は、ハニカムコア１の周
囲に、分割されたフレーム３を第１図に示すように組み
立てた後、ハニカムコア１の部分を、＃８０〜＃１５０
酸化アルミニウムにてサンドブラスト処理する。In the above-mentioned method for manufacturing an electromagnetic wave shielding plate, after the divided frame 3 is assembled around the honeycomb core 1 as shown in FIG. 1, the portion of the honeycomb core 1 is replaced with # 80 to # 150.
Sandblast with aluminum oxide.
上記のように構成することで、溶射金属のブリッジ部５
が、ハニカムコア積層断面の接着剤２上に付着し、そし
てアルミ箔間をブリッジ的に接続するので、ハニカムコ
ア積層方向のインピーダンスが低下し、下記の式(1)に
表現されるように反射損失が増大し、電磁波シールド性
能が向上するのである。By configuring as described above, the bridge portion 5 of the sprayed metal
Adheres to the adhesive 2 of the honeycomb core laminated cross section and connects the aluminum foils in a bridge manner, so that the impedance in the honeycomb core laminated direction decreases and the reflection occurs as expressed by the following formula (1). The loss is increased and the electromagnetic wave shielding performance is improved.
ＲdB＝２０Og10ＺＷ／４ＺＢ・・・(1) Ｒ：反射損失 ＺＷ：波動インピーダンス ＺＢ：バリア（シールド材）のインピーダンス 〔考案の効果〕 この考案は、上記のようにハニカムコア積層断面の接着
剤上に、金属材料を溶射により付着させ、前記ハニカム
コアのアルミ箔間へブリッジ部を構成した為、電気的抵
抗がなくなり、電気的特性が改善されて、電磁波遮蔽板
としてのシールド性能を向上させることが出来る効果が
ある。R dB = 20 Og10 Z W / 4Z B (1) R: Reflection loss Z W : Wave impedance Z B : Barrier (shielding material) impedance [Effect of the invention] This invention has the above-mentioned honeycomb core. On the adhesive of the laminated cross-section, a metal material is deposited by thermal spraying, and since the bridge portion is formed between the aluminum foils of the honeycomb core, the electrical resistance is eliminated, the electrical characteristics are improved, and the electromagnetic wave shielding plate is used. There is an effect that the shield performance can be improved.
第１図は、この考案を実施した電磁波遮蔽板の平面図、
第２図は第１図のII−II矢視断面図、第３図は第１図の
Ｘ部の拡大平面図である。 １……ハニカムコア、２……接着剤、３……フレーム、 ５……ブリッジ部。FIG. 1 is a plan view of an electromagnetic wave shielding plate embodying the present invention,
FIG. 2 is a sectional view taken along the line II-II in FIG. 1, and FIG. 3 is an enlarged plan view of a portion X in FIG. 1 ... Honeycomb core, 2 ... Adhesive, 3 ... Frame, 5 ... Bridge part.
Claims (2)
を展張させてアルミ製のハニカムコアに構成する空気流
通孔を備えた電磁波遮蔽板において、前記ハニカムコア
積層断面の接着剤上に、金属材料を溶射により付着さ
せ、前記ハニカムコアのアルミ箔間へブリッジ部を構成
したことを特徴とする空気流通孔を備えた電磁波遮蔽
板。1. An electromagnetic wave shielding plate having air circulation holes formed by laminating an aluminum foil via an adhesive and expanding the aluminum foil to form an aluminum honeycomb core. An electromagnetic wave shielding plate having air circulation holes, characterized in that a metal material is deposited by thermal spraying to form a bridge portion between the aluminum foils of the honeycomb core.
たはモリブデンと錫との合金を使用し、ハニカムコア積
層断面の接着剤上に溶射により付着させて構成した請求
項１に記載の空気流通孔を備えた電磁波遮蔽板。2. The air circulation hole according to claim 1, wherein the metal material is aluminum, copper or an alloy of molybdenum and tin, and is deposited by thermal spraying onto an adhesive having a honeycomb core laminated section. Electromagnetic wave shielding plate provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9911188U JPH0617358Y2 (en) | 1988-07-28 | 1988-07-28 | Electromagnetic wave shielding plate with air circulation holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9911188U JPH0617358Y2 (en) | 1988-07-28 | 1988-07-28 | Electromagnetic wave shielding plate with air circulation holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0221796U JPH0221796U (en) | 1990-02-14 |
| JPH0617358Y2 true JPH0617358Y2 (en) | 1994-05-02 |
Family
ID=31325967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9911188U Expired - Lifetime JPH0617358Y2 (en) | 1988-07-28 | 1988-07-28 | Electromagnetic wave shielding plate with air circulation holes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617358Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0726877Y2 (en) * | 1990-02-28 | 1995-06-14 | 株式会社大林組 | Electromagnetic shield panel |
| JP2886949B2 (en) * | 1990-05-29 | 1999-04-26 | 株式会社竹中工務店 | Joint structure of shield panel |
-
1988
- 1988-07-28 JP JP9911188U patent/JPH0617358Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221796U (en) | 1990-02-14 |
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