JPS62229705A - Electromagnetic shielding type lighting fixture - Google Patents
Electromagnetic shielding type lighting fixtureInfo
- Publication number
- JPS62229705A JPS62229705A JP61073054A JP7305486A JPS62229705A JP S62229705 A JPS62229705 A JP S62229705A JP 61073054 A JP61073054 A JP 61073054A JP 7305486 A JP7305486 A JP 7305486A JP S62229705 A JPS62229705 A JP S62229705A
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic shielding
- lighting fixture
- louver
- ceiling
- type lighting
- 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.)
- Granted
Links
- 239000004020 conductor Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000011810 insulating material Substances 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ビル内において電波を利用したネットワーク
・システムを採用するのに好適な電磁遮蔽インテリジェ
ントビルの電磁遮蔽型照明器具に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electromagnetic shielding type lighting fixture for an electromagnetic shielding intelligent building suitable for employing a network system using radio waves in a building.
−ｍにインテリジェントビルでは、複合電子交換機やコ
ンピュータ等の情報通信設備を共同利用してビル内や外
部との情報通信が行われるが、情報に対する価値感の高
まり、ニーズの多様化、個性化に伴って情報量が増大し
ている。かかる状況下にあって、安いコストで如何にし
てより迅速に必要な大量の情報を提供できるようにする
かがビルにおける課題になっている。インテリジェント
ビルにおいてこのような課題に応えるものとして、光フ
ァイバー・ケーブルや同軸ケーブルを利用したデータハ
イウェイ方式による情報ネットワークが検討され、提案
されている。- In intelligent buildings, information and communications equipment such as complex electronic exchanges and computers are shared to communicate within the building and with the outside world. As a result, the amount of information is increasing. Under such circumstances, the challenge for buildings is how to provide large amounts of necessary information more quickly and at a lower cost. To address these issues in intelligent buildings, information networks based on data highway methods using optical fiber cables and coaxial cables have been studied and proposed.
（発明が解決しようとする問題点〕
しかし、光ファイバー・ケーブルや同軸ケーブルを利用
したデータハイウェイ方式では、インテリジェントビル
内の隅々（端末機器）にまで光ファイバー・ケーブルや
同軸ケーブルを張りめぐらさなければならず、ケーブル
敷設のためフロアダクトや二重床構造が必要となり工費
や工期が問題になってくる。(Problem that the invention aims to solve) However, in the data highway system that uses optical fiber cables and coaxial cables, optical fiber cables and coaxial cables must be stretched to every corner (terminal device) in an intelligent building. First, floor ducts and double floor structures are required to lay the cables, which poses problems in terms of construction costs and construction period.
また、情報通信に電波を使えばケーブル敷設は必要でな
くなるが、この場合、一方では、外部へノイズ電波を放
出することから、５０ＧＨｚまでは電波法上の規制を受
けることになり、他方では、外部からの電波等によりシ
ステムが誤動作するという問題が生じる。Furthermore, if radio waves are used for information communication, there will be no need to lay cables, but in this case, on the one hand, frequencies up to 50 GHz will be subject to regulations under the Radio Law because they emit noise radio waves to the outside, and on the other hand, A problem arises in that the system malfunctions due to external radio waves or the like.
そこで本件出願人は、躯体及び窓や出入口などの開口部
に！磁シールド部材を使用してビル全体を電磁シールド
構造にすることによって、電波によるビル内通信を可能
にしたインテリジェントビルに関して種々の提案を行っ
ている。ところで、このようなインテリジェントビル内
において、電波を使って通信する場合、天井裏にはノイ
ズ源となる照明器具やその他の電力機器があり、これら
の電力機器からのノイズによる誤動作対策が問題となる
。Therefore, the applicant of this case applied the following to the building frame and openings such as windows and doorways! We have made various proposals regarding intelligent buildings that enable communication within the building using radio waves by making the entire building an electromagnetic shield structure using magnetic shielding members. By the way, when communicating using radio waves in such an intelligent building, there are lighting fixtures and other power equipment that can cause noise in the ceiling, and countermeasures against malfunctions caused by noise from these power equipment are an issue. .
本発明は、上記の問題点を解決するものであって、照明
器具より下面に放出される電磁波ノイズを遮蔽する電磁
遮蔽型照明器具の提供を目的とするものである。The present invention solves the above problems and aims to provide an electromagnetic shielding type lighting fixture that shields electromagnetic noise emitted from the lighting fixture to the lower surface.
そのために本発明の電磁遮蔽型照明器具は、照明ランプ
の下方に鋼板製のルーバーを配置すると共に、該ルーバ
ー、器具本体及び器具枠の間に導電材を挟んでアースさ
れた建物構造材の導電部に電気的に接続し、照明ランプ
下面に放出される電磁波ノイズを遮蔽するようにしたこ
とを特徴とするものである。To this end, the electromagnetic shielding type lighting equipment of the present invention has a louver made of steel plate placed below the lighting lamp, and a conductive material is sandwiched between the louver, the equipment body, and the equipment frame to conduct the grounded building structural material. It is characterized in that it is electrically connected to the lower surface of the illumination lamp to shield electromagnetic noise emitted from the lower surface of the illumination lamp.
本発明の電磁遮蔽型照明器具では、照明ランプの下方に
鋼板製のルーバーを配置すると共に、該ルーバー、器具
本体及び器具枠の間に導電材を挟んで例えば天井板の遮
蔽部材、躯体の鉄筋など建物構造物のアースされた導電
部に電気的に接続するか又は接地線に接続するので、こ
のルーバー、器具本体及び器具枠により照明ランプ及び
器具全体より放出される電磁波ノイズを遮蔽することが
できる。In the electromagnetic shielding type lighting equipment of the present invention, a louver made of a steel plate is arranged below the lighting lamp, and a conductive material is sandwiched between the louver, the equipment body, and the equipment frame, so that, for example, the shielding member of the ceiling board, the reinforcing steel of the frame Since it is electrically connected to a grounded conductive part of a building structure such as a building structure, or connected to a grounding wire, the louver, the fixture body, and the fixture frame can shield electromagnetic noise emitted from the lighting lamp and the fixture as a whole. can.
以下、実施例を図面を参照しつつ説明する。 Examples will be described below with reference to the drawings.
第１図は本発明に係る電磁遮蔽型照明器具の１実施例を
示す図である０図中、ｌは鋼板製器具本体、２は天井板
、３は照明器具枠、４は導電材、５はＶ字バネ、６はル
ーバー、７は照明ランプを示す。Fig. 1 is a diagram showing one embodiment of the electromagnetic shielding type lighting fixture according to the present invention. indicates a V-shaped spring, 6 indicates a louver, and 7 indicates an illumination lamp.
第１図において、ルーバー６は、格子状の鋼板製のルー
バーで、照明器具枠３に取り付けられ導電材４を通して
照明器具枠３と電気的に接続される。さらにこの照明器
具枠３は、鋼板製器具本体１とも導電材４を通して電気
的に接続され、鋼板製器具本体ｌから天井板２などの建
物構造材の導電部（電気的にアースされた導電部）又は
接地線に接続される。このようにして本発明に係る電磁
遮蔽型照明器具では、ルーバー６により照明ランプ７や
器具本体から下面に放出される電磁波ノイズを遮蔽する
ものであり、妻の平面図を示したのが第１図である。こ
のルーバー６により照明ランプ７から下面に放出する電
磁波ノイズを実際に遮蔽するためには、使用周波数に対
応したグリッド間隔にすることが必要である０例えば第
１図山）に示す如＜３０Ｉｌｌｌのグリッド間隔にした
場合、１ＯＧＨｚの周波数の波長（λ）に等しいが、実
用上の電磁遮蔽性能はλ／ｌＯのピッチが必要である。In FIG. 1, the louver 6 is a grid-shaped louver made of a steel plate, and is attached to the lighting fixture frame 3 and electrically connected to the lighting fixture frame 3 through a conductive material 4. Furthermore, this lighting fixture frame 3 is electrically connected to the steel plate fixture body 1 through a conductive material 4, and from the steel plate fixture body 1 to a conductive part (an electrically grounded conductive part) of a building structural material such as a ceiling board 2. ) or connected to the ground wire. In this way, in the electromagnetic shielding type lighting fixture according to the present invention, the louver 6 shields electromagnetic noise emitted from the lighting lamp 7 and the fixture body to the lower surface. It is a diagram. In order to actually shield the electromagnetic wave noise emitted from the illumination lamp 7 to the lower surface by the louver 6, it is necessary to set the grid spacing corresponding to the frequency used. The grid spacing is equal to the wavelength (λ) of a frequency of 1 OGHz, but practical electromagnetic shielding performance requires a pitch of λ/lO.
従って、１０ＧＨｚの１／１０のＩＧＨ２を使用周波数
に対して充分な電磁遮蔽性能を確保することができる。Therefore, sufficient electromagnetic shielding performance can be ensured for the operating frequency of IGH2, which is 1/10 of 10 GHz.
次に、本発明に係る１１磁遮蔽型照明器具を天井に組み
込んで電磁遮蔽天井システムを構成する例を説明する。Next, an example will be described in which an electromagnetic shielding ceiling system is constructed by incorporating the 11 magnetically shielded lighting fixture according to the present invention into a ceiling.
第２図は電磁遮蔽天井システムに使用されるアンテナ組
み込み型Ｔバーの例を示す図、第３図は天井全体を電磁
遮蔽構造とし室内側にアンテナを組み込んだ天井全体の
様子を示す図である０図中、１１は野縁、１２はＴバー
受け、１３は特殊Ｔバー、１４は天井板、１５は電磁遮
蔽材、１６は照明器具、１７はアンテナ、１８は導電材
、１９は絶縁材、２１はスラブ、２２は吊りボルト、２
３は鉄筋又は接地線、２４は躯体、２５は渡り接続線又
は導電材、２６は空調ダクト、２７は吸い込み／吹き出
し用シールド部材（フィルター）を示す。Figure 2 is a diagram showing an example of a T-bar with built-in antenna used in an electromagnetic shielding ceiling system, and Figure 3 is a diagram showing the entire ceiling in which the entire ceiling has an electromagnetic shielding structure and an antenna is incorporated inside the room. In figure 0, 11 is a field edge, 12 is a T-bar receiver, 13 is a special T-bar, 14 is a ceiling board, 15 is an electromagnetic shielding material, 16 is a lighting fixture, 17 is an antenna, 18 is a conductive material, and 19 is an insulating material , 21 is the slab, 22 is the hanging bolt, 2
3 is a reinforcing bar or a grounding wire, 24 is a frame, 25 is a crossover connection wire or a conductive material, 26 is an air conditioning duct, and 27 is a suction/blowout shield member (filter).
第２図において、野縁１１は、スラブより吊りボルトで
吊り下げられるものであり、Ｔバー受け１２は、この野
縁１１に固定され、特殊Ｔバー１３を支持するものであ
る。特殊Ｔバー１３は、図示の如く天井板１４や照明器
具１６などを支持すると共に無線通信用のアンテナ１７
を室内側に組み込み可能にしたものである。この特殊Ｔ
バー１３の室内側にアンテナ１７を組み込み、電磁遮蔽
性能を有する天井板１４及び照明器具１６などを使い天
井を構成することによって、電磁遮蔽空間を各階毎に分
割することができ、各階毎に使用周波数帯域を設定して
無線通信を行うことができる。In FIG. 2, the field edge 11 is suspended from the slab with hanging bolts, and the T-bar receiver 12 is fixed to this field edge 11 and supports the special T-bar 13. The special T-bar 13 supports a ceiling panel 14, lighting equipment 16, etc. as shown in the figure, and also supports an antenna 17 for wireless communication.
This makes it possible to incorporate it indoors. This special T
By incorporating the antenna 17 into the indoor side of the bar 13 and configuring the ceiling using the ceiling plate 14 and lighting fixtures 16 that have electromagnetic shielding performance, the electromagnetic shielding space can be divided into each floor, and each floor can be used separately. Wireless communication can be performed by setting a frequency band.
天井に電磁遮蔽性能を持たせる場合、天井板１４には例
えば導電性フィルムの如き電磁遮蔽材１５を貼り、特殊
Ｔバー１３による継ぎ目部分には導電材１８を使って電
気的に相互の間を接続する。When providing electromagnetic shielding performance to the ceiling, an electromagnetic shielding material 15 such as a conductive film is attached to the ceiling plate 14, and a conductive material 18 is used at the joint between the special T-bars 13 to electrically isolate the space between them. Connecting.
また、アンテナ１７は、絶縁材１９を使って特殊Ｔバー
１３と絶縁して組み込むが、絶縁材なしで機能するアン
テナの場合には絶縁材１９を設けなくてもよい。。なお
、アンテナ１７としては、漏洩同軸ケーブルや導波管な
どを使うことができる。Further, the antenna 17 is installed while being insulated from the special T-bar 13 using an insulating material 19, but in the case of an antenna that functions without an insulating material, the insulating material 19 may not be provided. . Note that as the antenna 17, a leaky coaxial cable, a waveguide, or the like can be used.
上記の特殊Ｔバーを使って天井全体を電磁遮蔽構造とし
、室内側にアンテナを組み込んだ天井全体の様子を示し
たのが第３図である。第３図において、照明器具１６に
は電磁遮蔽効果を有するルーバを使い、また、空調ダク
ト２６の開口部には吸い込み／吹き出し用シールド部材
２７を嵌め込んだものである。このルーバと特殊Ｔバー
１３との間を渡り接続線又は導電材２５で接続すること
により天井板１４とも電気的に一体化し、或いは特殊Ｔ
バー１３と吸い込み／吹き出し用シールド部材２７との
間を導電材や直接接触によって電気的に一体化する。そ
して、これらをアースされた鉄筋又は接地線２３に接続
することによって天井面全体の電磁遮蔽性能を確保する
ことができる。Figure 3 shows the entire ceiling with an electromagnetic shielding structure using the above-mentioned special T-bar and an antenna built into the indoor side. In FIG. 3, a louver having an electromagnetic shielding effect is used for the lighting fixture 16, and a suction/blowout shield member 27 is fitted into the opening of the air conditioning duct 26. By connecting this louver and the special T-bar 13 with a crossover connection wire or conductive material 25, it can be electrically integrated with the ceiling plate 14, or the special T-bar
The bar 13 and the suction/blowout shield member 27 are electrically integrated using a conductive material or direct contact. By connecting these to a grounded reinforcing bar or grounding wire 23, electromagnetic shielding performance of the entire ceiling surface can be ensured.
その結果、天井裏に配置された例えば照明機器の安定器
やその他の電力機器と室内とは遮蔽され、これらのノイ
ズによる室内の通信機器の誤動作を防止できる。As a result, the room is shielded from, for example, the ballast of lighting equipment and other power equipment placed in the ceiling, and it is possible to prevent communication equipment in the room from malfunctioning due to these noises.
上記の如く天井に組み込まれたアンテナは、分岐器を介
して同軸ケーブルに接続することによって、各階に配設
された通信装置間での無線通信に利用できる。なお、同
軸ケーブルは、ＥＰＳを通したテレビ共聴用のものが利
用できる。このように躯体外壁面を電磁遮蔽層とし、ビ
ル内の電磁遮蔽空間をさらに各階毎に分割することによ
り外部及び他の階の信号に影響されることなく各階毎に
独立した無線通信システムが構成できる。従うて、各階
毎にｎチャンネルの周波数帯域を割り当てると、ビル内
では、階数に関係なく各階毎に同じｎチャンネルによる
２５ｋＨｚＸｎ
の周波数帯域幅を使った無線通信ができる。しかも電波
法上の規制に関係なく、経済的に有利な任意の周波数帯
域の電波を使うことができる。The antenna built into the ceiling as described above can be used for wireless communication between communication devices installed on each floor by connecting it to a coaxial cable via a branch. Note that a coaxial cable for shared television viewing via EPS can be used. In this way, by using the outer wall of the building as an electromagnetic shielding layer and further dividing the electromagnetic shielding space within the building into each floor, an independent wireless communication system is created for each floor without being affected by signals from outside or other floors. can. Therefore, by allocating a frequency band of n channels to each floor, wireless communication can be performed within a building using the same frequency band width of 25 kHz x n using the same n channels for each floor, regardless of the number of floors. Furthermore, radio waves in any economically advantageous frequency band can be used regardless of regulations under the Radio Law.
以上の説明から明らかなように、本発明によれば、例え
ばＩＧＨｚ以上の電磁波に対してはルーバーグリッド間
隔を３０ｍｍ以下とすることにより充分な電磁遮蔽性能
を確保することができる。また、本体、器具枠及びルー
バーの間の外周全体に導電材を入れることにより照明器
具から下面に放出されるノイズが遮蔽できる。As is clear from the above description, according to the present invention, sufficient electromagnetic shielding performance can be ensured, for example, by setting the louver grid interval to 30 mm or less for electromagnetic waves of IGHz or higher. Further, by inserting a conductive material into the entire outer periphery between the main body, the fixture frame, and the louver, noise emitted from the lighting fixture to the bottom surface can be shielded.
第１図は本発明に係る電磁遮蔽型照明器具の１実施例を
示す図、第２図は電磁遮蔽天井システムに使用されるア
ンテナ組み込み型Ｔバーの例を示す図、第３図は天井全
体を電磁遮蔽構造とし室内側にアンテナを組み込んだ天
井全体の様子を示す図である。
ｌ・・・綱板製器具本体、２・・・天井板、３・・・照
明器具枠、４・・・導電材、５・・・１字バネ、６・・
・ルーバー、７・・・照明ランプ、１１・・・野縁、１
２・・・Ｔバー受け、１３・・・特殊Ｔバー、１４・・
・天井板、１５・・・電磁遮蔽材、１６・・・照明器具
、１７・・・アンテナ、１８・・・導電材、１９・・・
絶縁材、２１・・・スラブ、２２・・・吊りボルト、２
３・・・鉄筋、２４・・・躯体、２５・・・渡り接続線
、２６・・・空調ダクト、２７・・・フィルター。Fig. 1 is a diagram showing an example of an electromagnetic shielding type lighting fixture according to the present invention, Fig. 2 is a diagram showing an example of an antenna-embedded T-bar used in an electromagnetic shielding ceiling system, and Fig. 3 is a diagram showing the entire ceiling. FIG. 2 is a diagram showing the entire ceiling with an electromagnetic shielding structure and an antenna built into the room. l... Rope board appliance body, 2... Ceiling board, 3... Lighting equipment frame, 4... Conductive material, 5... Letter 1 spring, 6...
- Louver, 7... Lighting lamp, 11... Wild edge, 1
2...T-bar receiver, 13...Special T-bar, 14...
・Ceiling board, 15... Electromagnetic shielding material, 16... Lighting equipment, 17... Antenna, 18... Conductive material, 19...
Insulating material, 21... Slab, 22... Hanging bolt, 2
3...Reinforcement bar, 24...Structure, 25...Cover connection wire, 26...Air conditioning duct, 27...Filter.
Claims (2)
と共に、該ルーバー、器具本体及び器具枠の間に導電材
を挟んでアースされた建物構造材の導電部に電気的に接
続し、照明ランプ下面に放出されるノイズを遮蔽するよ
うにしたことを特徴とする電磁遮蔽型照明器具。(1) A steel plate louver is placed below the lighting lamp, and a conductive material is sandwiched between the louver, the fixture body, and the fixture frame, and electrically connected to the conductive part of the grounded building structural material. An electromagnetic shielding type lighting fixture characterized by shielding noise emitted from the lower surface of the lamp.
の対象となる周波数に対応して設定することを特徴とす
る特許請求の範囲第１項記載の電磁遮蔽型照明器具。(2) The electromagnetic shielding type lighting fixture according to claim 1, wherein the grid interval of the steel plate louvers is set in accordance with the frequency targeted for noise shielding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61073054A JPS62229705A (en) | 1986-03-31 | 1986-03-31 | Electromagnetic shielding type lighting fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61073054A JPS62229705A (en) | 1986-03-31 | 1986-03-31 | Electromagnetic shielding type lighting fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62229705A true JPS62229705A (en) | 1987-10-08 |
| JPH0352162B2 JPH0352162B2 (en) | 1991-08-09 |
Family
ID=13507262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61073054A Granted JPS62229705A (en) | 1986-03-31 | 1986-03-31 | Electromagnetic shielding type lighting fixture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62229705A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS472550U (en) * | 1971-01-28 | 1972-08-29 | ||
| JPS6136907U (en) * | 1984-08-09 | 1986-03-07 | 松下電工株式会社 | lighting equipment |
| JPS61176723U (en) * | 1985-04-24 | 1986-11-04 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60207571A (en) * | 1984-04-02 | 1985-10-19 | Chikanosuke Oki | Dryer for laver |
-
1986
- 1986-03-31 JP JP61073054A patent/JPS62229705A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS472550U (en) * | 1971-01-28 | 1972-08-29 | ||
| JPS6136907U (en) * | 1984-08-09 | 1986-03-07 | 松下電工株式会社 | lighting equipment |
| JPS61176723U (en) * | 1985-04-24 | 1986-11-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352162B2 (en) | 1991-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |