JPH0661680A - Working method of radio wave anechoic enclosure and shield room, and radio wave absorbent unit - Google Patents
Working method of radio wave anechoic enclosure and shield room, and radio wave absorbent unitInfo
- Publication number
- JPH0661680A JPH0661680A JP23135492A JP23135492A JPH0661680A JP H0661680 A JPH0661680 A JP H0661680A JP 23135492 A JP23135492 A JP 23135492A JP 23135492 A JP23135492 A JP 23135492A JP H0661680 A JPH0661680 A JP H0661680A
- Authority
- JP
- Japan
- Prior art keywords
- radio wave
- wave absorber
- electromagnetic wave
- anechoic chamber
- locking
- 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
Links
Landscapes
- Building Environments (AREA)
- Finishing Walls (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電波暗室（外界からの
電波侵入を防止すると共に室内での電波反射を防止した
部屋）及びシールドルーム（外界からの電波侵入を防止
した部屋）の内壁面に迅速に電波吸収体を固定出来る様
にした電波暗室及びシールドルームの施工方法及び電波
吸収体ユニットに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to inner wall surfaces of an anechoic chamber (a room in which radio waves are prevented from entering from the outside and reflection of radio waves in the room is prevented) and a shield room (a room in which electromagnetic waves are prevented from entering from the outside). The present invention relates to a method of constructing an anechoic chamber and a shield room and a radio wave absorber unit that can quickly fix the radio wave absorber.
【０００２】[0002]
【従来の技術】従来、電波暗室及びシールドルーム（以
下、電波暗室と称する）の内壁面に固定される電波吸収
体としては、電波の種類により厚さ２５００ｍｍ〜３０
０ｍｍのウレタン（又はスチロール等）製ピラミッド吸
収体、又は無垢な平板状のフェライトタイルと約１００
０ｍｍ〜３００ｍｍの厚さのピラミッドの複合吸収体が
使用されていたが、内壁面の遮蔽板にこれらピラミッド
吸収体を固定するに際して１体づつ接着剤で固定してい
たために面倒であったり、手間を要し、且つ整列させる
ためには手間、神経を要する欠点を有していた。2. Description of the Related Art Conventionally, an electromagnetic wave absorber fixed to the inner wall surfaces of an anechoic chamber and a shield room (hereinafter referred to as an anechoic chamber) has a thickness of 2500 mm to 30 depending on the type of radio wave.
Pyramid absorber made of 0 mm urethane (or styrene etc.) or a solid flat ferrite tile and about 100
A composite absorber of pyramids with a thickness of 0 mm to 300 mm was used, but when fixing these pyramid absorbers to the shielding plate on the inner wall surface one by one with adhesive, it was troublesome and troublesome. In addition, it has a drawback that it requires labor and nerves for alignment.
【０００３】又、ピラミッド吸収体の固定に際して接着
剤を使用し、且つ壁面より内部へ突出し重心が前方に位
置するために、接着剤の使用により湿式工法となり接着
剤の乾燥硬化までの時間が必要となったり、位置ズレ防
止及び密着性を維持するためにピラミッド吸収体の固定
等の手当、補助が必要となる欠点を有していた。In addition, since an adhesive is used for fixing the pyramid absorber and the center of gravity is located in front of the wall so that the center of gravity is located in front of the wall, a wet method is used by using the adhesive and it takes time for the adhesive to dry and harden. However, there is a drawback that it is necessary to provide a treatment such as fixing of the pyramid absorber and assistance in order to prevent displacement and maintain adhesion.
【０００４】[0004]
【発明が解決しようとする課題】本発明は、湿式工法の
欠点である手間、時間を必要とせず迅速な固定を可能に
すると共に、電波吸収体の形状に起因する固定時の手
間、手当、整列時の手間を要せず簡易に施工出来る様に
した電波暗室及びシールドルームの施工方法及び電波吸
収体ユニットを提供せんとするものである。DISCLOSURE OF THE INVENTION The present invention enables the quick fixing without the time and labor, which is a drawback of the wet method, and at the same time, the trouble and the allowance at the time of fixing due to the shape of the electromagnetic wave absorber, It is intended to provide a method of constructing an anechoic chamber and a shield room, and an electromagnetic wave absorber unit which can be simply constructed without requiring time and effort for alignment.
【０００５】[0005]
【課題を解決するための手段】本発明は、上記従来技術
に基づく、ピラミッド吸収体は内方に突出して取扱いが
面倒、１体づつ固定せねばならない面倒、整列、位置決
めに手間を要する課題、及び湿式工法のために時間と固
定の手当が必要な課題に鑑み、予めベース板上に接着剤
で複数の電波吸収体を固定すると共に、ベース板の上部
に係止突部を設けて電波吸収体ユニットを製作し、一方
電波暗室の内壁面に遮蔽板を取付けると共に該遮蔽板の
内面に係止板を設け、電波吸収体ユニットを上方から落
とし込んで係止板に係合することによって、複数の電波
吸収体を整列させて地上で固定し、この様に予め製作さ
れた電波吸収体ユニットを使用して乾式工法で電波暗室
の内壁面に固定する様にして、上記課題を解決せんとし
たものである。DISCLOSURE OF THE INVENTION The present invention is based on the above-mentioned prior art, and the pyramid absorber projects inward and is troublesome to handle, and troublesome to align and position each one must be fixed. In view of the problem that time and fixing allowance are required for the wet method, a plurality of electromagnetic wave absorbers are previously fixed on the base plate with an adhesive, and a locking protrusion is provided on the upper part of the base plate to absorb the electromagnetic wave. Body unit is manufactured, on the other hand, a shield plate is attached to the inner wall surface of the anechoic chamber, a locking plate is provided on the inner surface of the shield plate, and the electromagnetic wave absorber unit is dropped from above and engaged with the locking plate. The above electromagnetic wave absorbers were aligned and fixed on the ground, and by fixing the electromagnetic wave absorber unit prefabricated in this way to the inner wall surface of the anechoic chamber by the dry method, the above problems were not solved. It is a thing.
【０００６】[0006]
【作用】本発明にあっては、工場等の外部で電波吸収体
を固定した電波吸収体ユニットを予め製作し、又電波吸
収体ユニットのベース板上部の係止突部と電波暗室の遮
蔽板内面に係止間隙を有して係止板を夫々設け、両者を
係合して電波暗室及びシールドルームに電波吸収体ユニ
ットを取付ける。In the present invention, the electromagnetic wave absorber unit having the electromagnetic wave absorber fixed outside the factory is manufactured in advance, and the locking projection on the base plate of the electromagnetic wave absorber unit and the shield plate for the anechoic chamber are prepared. Each of the locking plates is provided with a locking gap on the inner surface, and the both are engaged to mount the electromagnetic wave absorber unit in the anechoic chamber and the shield room.
【０００７】[0007]
【実施例】以下本発明の一実施例を図面に基づいて説明
すると、１、1a…はフェライト製等で多数の四角状の孔
２、2a…を穿設したグリッド（格子）状の電波吸収体で
あり、該電波吸収体１、1a…を所定強度の鉄板・パネル
等のベース板３上に耐熱性の接着剤４（例えば変性シリ
コン系弾性接着剤）で９又は１８個整列固定して１ブロ
ックの電波吸収体ユニット５、5a…と成している。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. 1, 1a ... Are made of ferrite or the like, and grid-shaped electromagnetic wave absorption is provided by forming a large number of square holes 2, 2a. The electromagnetic wave absorbers 1, 1a ... are arranged and fixed on a base plate 3 such as an iron plate or panel having a predetermined strength with a heat-resistant adhesive 4 (for example, modified silicone elastic adhesive) in an array of 9 or 18 pieces. It is composed of one block of the electromagnetic wave absorber units 5, 5a ....
【０００８】６、6aは電波吸収体ユニット５、5a…の上
部に設けた係止突部であり、該係止突部６、6aはベース
板３を立ち上げて裏面側に逆Ｕ字状と成し、立上部７、
係合部８、嵌入部９で一体形成し、又ベース板３の下部
に係止突部６、6aに対応する凹部10、10a を設けてい
る。Reference numerals 6 and 6a denote locking projections provided on the upper portions of the electromagnetic wave absorber units 5, 5a, ... The locking projections 6 and 6a raise the base plate 3 to form an inverted U-shape on the rear surface side. The rising part 7,
The engaging portion 8 and the fitting portion 9 are integrally formed, and recesses 10 and 10a corresponding to the locking projections 6 and 6a are provided in the lower portion of the base plate 3.
【０００９】尚、本発明に係る電波吸収体１、1a…はそ
の材質特性並びに形状により効率良く電波吸収し、この
電波吸収作用により発熱するために接着剤４は耐熱性と
成し、又電波吸収体１、1a…の材質がフェライト製の場
合の電波吸収領域は３０Ｍ〜１ＧＨｚ、カーボン混入セ
ラミック成形体の場合の電波吸収領域は９００Ｍ〜１０
０ＧＨｚであり、これらを接着等により複合しても良
い。The radio wave absorbers 1, 1a, ... According to the present invention efficiently absorb radio waves due to their material characteristics and shapes, and the adhesive 4 is heat resistant because of the heat generated by this radio wave absorption action. When the material of the absorbers 1, 1a ... Is ferrite, the electromagnetic wave absorption region is 30 M to 1 GHz, and in the case of a carbon mixed ceramic molded body, the electromagnetic wave absorption region is 900 M to 10 GHz.
It is 0 GHz, and these may be combined by adhesion or the like.
【００１０】次に本発明に係る電波暗室及びシールドル
ームの施工方法及び電波吸収体ユニットの作用について
説明すると、複数の電波吸収体１、1a…を固定した電波
吸収体ユニット５、5a…は電波暗室11内でなく工場等の
外部で予め製作し、又電波暗室11の内壁面12に外部から
の電波侵入を遮断する鉄板等の遮蔽板13を固定するか、
内壁面12の内方に垂直柱14、14a …を設けるか、遮蔽板
13の内方に垂直柱14、14a …を設け、これらの内壁面1
2、遮蔽板13、垂直柱14、14a …の内方にパッキン15を
介して水平方向に係止板16、16a …を固定し、内壁面1
2、遮蔽板13等と係止板16、16a …の間に係止間隙17を
設けている。Next, the method of constructing the anechoic chamber and the shield room and the operation of the electromagnetic wave absorber unit according to the present invention will be described. The electromagnetic wave absorber units 5, 5a ... With a plurality of electromagnetic wave absorbers 1, 1a ... It is not manufactured in the dark room 11 but is manufactured in advance outside the factory or the like, or a shield plate 13 such as an iron plate or the like is fixed to the inner wall surface 12 of the anechoic room 11 for blocking the intrusion of radio waves from the outside.
Provide vertical pillars 14, 14a ... on the inside of the inner wall surface 12 or shield plate
Vertical columns 14, 14a are provided inside 13 and inner wall surfaces 1
2, the shielding plate 13, the vertical pillars 14, 14a ··· inside the inner wall surface 1 by fixing the locking plates 16, 16a ··· in the horizontal direction via the packing 15 via the packing 15.
2. A locking gap 17 is provided between the shield plate 13 and the like and the locking plates 16, 16a.
【００１１】そして、内壁面12等に対して垂直状態の電
波吸収体ユニット５、5a…を宛てがい、係止間隙17に電
波吸収体ユニット５、5a…の係止突部６、6aの嵌入部９
が嵌入する如く、電波吸収体ユニット５、5a…を上方か
ら落とし込む様に降下させ、係止突部６、6aの嵌入部９
は係止間隙17内に嵌合すると共に、係止突部６、6aの係
合部８は係止板16、16a …上に位置して乾式工法で電波
暗室11の内壁面12、遮蔽板13等に１ブロック毎の電波吸
収体ユニット５、5a…を取付固定する。Then, the electromagnetic wave absorber units 5, 5a ... Which are in a vertical state with respect to the inner wall surface 12 and the like are placed, and the locking projections 6, 6a of the electromagnetic wave absorber units 5, 5a. Part 9
, So that the radio wave absorber units 5, 5a ...
Is fitted into the locking gap 17, and the engaging portions 8 of the locking projections 6 and 6a are located on the locking plates 16 and 16a ... And the inner wall surface 12 and the shielding plate of the anechoic chamber 11 are dry-processed. The electromagnetic wave absorber units 5, 5a for each block are attached and fixed to 13 or the like.
【００１２】[0012]
【発明の効果】要するに本発明は、ベース板３上に接着
剤４で複数の電波吸収体１、1a…を固定すると共に、ベ
ース板３の上部に逆Ｕ字状の係止突部６、6aを設けたの
で、ベース板３上に電波吸収体１、1a…を固定するに際
してその製作場所が限定されないために簡易に整列固
定、製作出来、従って電波暗室11以外の工場等で電波吸
収体ユニット５、5a…を予め製作することが出来るので
ある。In summary, according to the present invention, the plurality of radio wave absorbers 1, 1a ... Are fixed on the base plate 3 with the adhesive 4, and the inverted U-shaped locking projections 6 are provided on the upper part of the base plate 3. Since 6a is provided, when the electromagnetic wave absorbers 1, 1a ... Are fixed on the base plate 3, they can be easily aligned and fixed because the production place is not limited, and therefore the electromagnetic wave absorbers can be used in factories other than the anechoic chamber 11. The units 5, 5a ... Can be manufactured in advance.
【００１３】又、電波暗室11及びシールドルームの内面
に係止間隙17を有して係止板16、16a …を設けたので、
電波暗室11内に大きな異物突出がない状態、且つ係止板
16、16a …等により電波吸収体ユニット５、5a…の取付
位置を設定することが出来、又予め製作された請求項１
の電波吸収体ユニット５、5a…の係止突部６、6aの嵌入
部９を係止間隙17に嵌入する如く、電波吸収体ユニット
５、5a…を上方から落とし込む様にして、係止板16、16
a …に電波吸収体１、1a…の係止突部６、6aを係合する
様にしたので、電波暗室11の内壁面12に電波吸収体ユニ
ット５、5a…を固定するに際して乾式工法を行うことが
出来、又かかる固定作業に際して電波吸収体ユニット
５、5a…を内壁面12に宛てがって落とし込むだけで良
く、従って従来の課題であった形状による取扱いの面倒
さ、１体づつ取扱う面倒さ、位置決めに要する手間、湿
式工法の乾燥時間と固手の手当を要する課題を全て排除
することが出来る。Further, since the locking plates 16, 16a are provided with the locking gap 17 on the inner surfaces of the anechoic chamber 11 and the shield room,
Locking plate with no large foreign matter protruding inside the anechoic chamber 11.
The mounting positions of the electromagnetic wave absorber units 5, 5a ... Can be set by 16, 16a ..
Of the electromagnetic wave absorber units 5, 5a ..., The engaging plate 9 of the locking projections 6, 6a is inserted into the locking gap 17 so that the electromagnetic wave absorber units 5, 5a. 16, 16
Since the locking projections 6 and 6a of the radio wave absorbers 1 and 1a are engaged with a, the dry method is used to fix the radio wave absorber units 5 and 5a to the inner wall surface 12 of the anechoic chamber 11. It can be carried out, and at the time of such fixing work, it is only necessary to drop the electromagnetic wave absorber units 5, 5a ... on the inner wall surface 12 and drop them. Therefore, the troublesome handling due to the shape which has been a conventional problem is handled one by one. It is possible to eliminate all of the troublesomeness, the labor required for positioning, the drying time of the wet method and the problem of requiring a firm hand.
【００１４】又、電波暗室11及びシールドルームの内壁
面12に遮蔽板13を取付けるか、或いはベース板３を鉄板
製にしたので、外部からの電波侵入を防止出来る等その
実用的効果甚だ大なるものである。Further, since the shield plate 13 is attached to the inner wall surface 12 of the anechoic chamber 11 and the shield room or the base plate 3 is made of an iron plate, it is possible to prevent the intrusion of radio waves from the outside, which is a great practical effect. It is a thing.
【図１】電波暗室の内壁面に電波吸収体ユニットを固定
する状態の一部斜視図である。FIG. 1 is a partial perspective view of a state where a radio wave absorber unit is fixed to an inner wall surface of an anechoic chamber.
【図２】施工途中の電波暗室の概略斜視図である。FIG. 2 is a schematic perspective view of an anechoic chamber under construction.
【図３】電波吸収体ユニットの正面図である。FIG. 3 is a front view of a radio wave absorber unit.
【図４】他の実施例の電波吸収体ユニットの正面図であ
る。FIG. 4 is a front view of a radio wave absorber unit of another embodiment.
【図５】内壁面への電波吸収体ユニットの固定状態の一
部断面図である。FIG. 5 is a partial cross-sectional view of a fixed state of the radio wave absorber unit on the inner wall surface.
【図６】図５の要部拡大断面図である。6 is an enlarged cross-sectional view of a main part of FIG.
１、1a… 電波吸収体 ３ ベース板 ４ 接着剤 ５、5a… 電波吸収体ユニット ６、6a 係止突部 ９ 嵌入部 11 電波暗室 12 内壁面 13 遮蔽板 16、16a … 係止板 17 係止間隙 1, 1a ... Electromagnetic wave absorber 3 Base plate 4 Adhesive 5, 5a ... Electromagnetic wave absorber unit 6, 6a Locking projection 9 Fitting part 11 Anechoic chamber 12 Inner wall surface 13 Shielding plate 16, 16a… Locking plate 17 Locking gap
Claims (3)
を固定すると共に、ベース板の上部に逆Ｕ字状の係止突
部を設けたことを特徴とする電波吸収体ユニット。1. A radio wave absorber unit characterized in that a plurality of radio wave absorbers are fixed on a base plate with an adhesive, and an inverted U-shaped locking projection is provided on an upper portion of the base plate.
止間隙を有して係止板を設け、予め製作された請求項１
の電波吸収体ユニットの係止突部の嵌入部を係止間隙に
嵌入する如く、電波吸収体ユニットを上方から落とし込
む様にして、係止板に電波吸収体の係止突部を係合する
様にしたことを特徴とする電波暗室及びシールドルーム
の施工方法。2. The prefabricated device according to claim 1, wherein a locking plate is provided with a locking gap on the inner surfaces of the anechoic chamber and the shield room.
The radio wave absorber unit is engaged with the locking projection of the radio wave absorber by dropping the radio wave absorber unit from above so that the fitting portion of the locking projection of the radio wave absorber unit is fitted into the locking gap. A method for constructing an anechoic chamber and a shielded room characterized by the above.
遮蔽板を取付けるか、或いはベース板を鉄板製にしたこ
とを特徴とする請求項２の電波暗室及びシールドルーム
の施工方法。3. The method for constructing an anechoic chamber and a shield room according to claim 2, wherein a shield plate is attached to the inner wall surfaces of the anechoic chamber and the shield room, or the base plate is made of an iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23135492A JPH0661680A (en) | 1992-08-05 | 1992-08-05 | Working method of radio wave anechoic enclosure and shield room, and radio wave absorbent unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23135492A JPH0661680A (en) | 1992-08-05 | 1992-08-05 | Working method of radio wave anechoic enclosure and shield room, and radio wave absorbent unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0661680A true JPH0661680A (en) | 1994-03-04 |
Family
ID=16922310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23135492A Pending JPH0661680A (en) | 1992-08-05 | 1992-08-05 | Working method of radio wave anechoic enclosure and shield room, and radio wave absorbent unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0661680A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4988060B1 (en) * | 2011-11-11 | 2012-08-01 | Ｎｅｃトーキン株式会社 | Radio wave absorber unit |
| JP2016142079A (en) * | 2015-02-04 | 2016-08-08 | Ｊｆｅスチール株式会社 | Architectural panel, wall-shaped structure and construction method of wall-shaped structure |
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| US11370497B2 (en) | 2016-10-18 | 2022-06-28 | Piaggio Fast Forward, Inc. | Vehicle having non-axial drive and stabilization system |
| US11408498B2 (en) | 2018-10-22 | 2022-08-09 | Piaggio Fast Forward, Inc. | Shifting assembly and mobile carrier comprising same |
| US11613325B2 (en) | 2017-10-11 | 2023-03-28 | Piaggio Fast Forward Inc. | Two-wheeled vehicle having linear stabilization system |
-
1992
- 1992-08-05 JP JP23135492A patent/JPH0661680A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4988060B1 (en) * | 2011-11-11 | 2012-08-01 | Ｎｅｃトーキン株式会社 | Radio wave absorber unit |
| JP2016142079A (en) * | 2015-02-04 | 2016-08-08 | Ｊｆｅスチール株式会社 | Architectural panel, wall-shaped structure and construction method of wall-shaped structure |
| US11370497B2 (en) | 2016-10-18 | 2022-06-28 | Piaggio Fast Forward, Inc. | Vehicle having non-axial drive and stabilization system |
| US11613325B2 (en) | 2017-10-11 | 2023-03-28 | Piaggio Fast Forward Inc. | Two-wheeled vehicle having linear stabilization system |
| US11112807B1 (en) | 2018-05-01 | 2021-09-07 | Piaggio Fast Forward, Inc. | Method for determining self-driving vehicle behavior models, a self-driving vehicle, and a method of navigating a self-driving vehicle |
| US11675373B2 (en) | 2018-05-01 | 2023-06-13 | Piaggio Fast Forward Inc. | Method for determining self-driving vehicle behavior models, a self-driving vehicle, and a method of navigating a self-driving vehicle |
| US11408498B2 (en) | 2018-10-22 | 2022-08-09 | Piaggio Fast Forward, Inc. | Shifting assembly and mobile carrier comprising same |
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