JPH04264803A - Improved antenna - Google Patents
Improved antennaInfo
- Publication number
- JPH04264803A JPH04264803A JP4550991A JP4550991A JPH04264803A JP H04264803 A JPH04264803 A JP H04264803A JP 4550991 A JP4550991 A JP 4550991A JP 4550991 A JP4550991 A JP 4550991A JP H04264803 A JPH04264803 A JP H04264803A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- water
- antennas
- heater
- foreign matter
- 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
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 16
- 239000000057 synthetic resin Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003595 mist Substances 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 8
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 239000000155 melt Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract 5
- 229920005989 resin Polymers 0.000 description 17
- 239000011347 resin Substances 0.000 description 17
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 10
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 5
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000004071 soot Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- WFLOTYSKFUPZQB-UHFFFAOYSA-N 1,2-difluoroethene Chemical group FC=CF WFLOTYSKFUPZQB-UHFFFAOYSA-N 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 2
- 229920001038 ethylene copolymer Polymers 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 229920013653 perfluoroalkoxyethylene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920001780 ECTFE Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- -1 snow Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、改良されたアンテナに
関し、さらに詳しくは、各種異物を自動的に除去する機
能を具備した改良されたアンテナに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved antenna, and more particularly to an improved antenna having a function of automatically removing various foreign objects.
【０００２】0002
【従来の技術】従来より、アンテナは官制用、民生用に
広汎に使用され、その種類も、例えば接地系、非接地系
及び開口面系のもの等多種類生産、使用されている。2. Description of the Related Art Hitherto, antennas have been widely used for both government and civilian purposes, and a wide variety of antennas have been produced and used, including grounded antennas, ungrounded antennas, and aperture antennas.
【０００３】これらアンテナの使用場面は、積雪地帯，
砂丘地帯，海岸地帯及び工場地帯等があり、使用中に、
アンテナの送・受信部に雪，砂塵，塩分及び煤煙など工
場廃棄物等の異物が付着・累積することにより、電波の
送・受信機能が極端に低下してしまっていた。[0003] These antennas are used in snowy areas,
There are sand dune areas, coastal areas, factory areas, etc., and during use,
Due to the adhesion and accumulation of foreign substances such as snow, dust, salt, soot, and other factory waste on the antenna's transmitter/receiver section, the radio wave transmitter/receiver function is extremely degraded.
【０００４】しかしながらこれらアンテナの設置場所は
、官制用では、例えば山岳奥地、高層タワ−、高層ビル
の屋上等であり、民生用としては家屋の屋根、ビルの屋
上等、常時保守管理できない所が多く、アンテナの異物
による機能低下に関して、業界からその改良が熱望され
ていた。However, for government use, these antennas are installed in remote areas of the mountains, on high-rise towers, on the roofs of high-rise buildings, etc., and for civilian use, they are installed on the roofs of houses, on the roofs of buildings, and other places where constant maintenance cannot be carried out. In many cases, the industry has been eagerly awaiting improvements in the area of functional deterioration caused by foreign objects in antennas.
【０００５】[0005]
【発明が解決しようとする課題】本発明の目的は、従来
技術が有していた前述の問題点を解決しようとするもの
であり、従来全く知られていなかった改良されたアンテ
ナを新たに提供するものである。[Problems to be Solved by the Invention] An object of the present invention is to solve the above-mentioned problems that the prior art had, and to provide a new and improved antenna that was completely unknown in the past. It is something to do.
【０００６】[0006]
【課題を解決するための手段】本発明は前述の問題点を
解決すべくなされたものであり、少なくとも電磁波の送
・受信部に付着・累積した異物を除去する異物除去器を
具備してなることを特徴とした改良されたアンテナを提
供するものである。[Means for Solving the Problems] The present invention has been made to solve the above-mentioned problems, and includes at least a foreign matter remover for removing foreign matter that has adhered to and accumulated on the electromagnetic wave transmitting/receiving section. The present invention provides an improved antenna characterized by the following.
【０００７】しかして本発明によれば、アンテナの送・
受信部に付着・累積した異物を自動的に除去する機能を
具備した改良されたアンテナが提供されるのである。以
下本発明の構成要因について、さらに詳細に説明する。According to the present invention, however, the antenna transmission and
An improved antenna is provided that has a function of automatically removing foreign matter that has adhered to and accumulated on the receiving section. The constituent factors of the present invention will be explained in more detail below.
【０００８】本発明でいう「アンテナ」とは、電磁波エ
ネルギ−を空間に発射したり、または空間より受けとる
装置であれば特に制限するものではなく、いづれのアン
テナでもよいが具体的には例えば開口面系アンテナ及び
非開口面アンテナ等があり、本発明においては開口面系
アンテナが好適である。[0008] The "antenna" used in the present invention is not particularly limited as long as it is a device that emits electromagnetic wave energy into space or receives it from space, and may be any antenna, but specifically, for example, an aperture. There are planar antennas, non-aperture antennas, etc., and aperture antennas are preferred in the present invention.
【０００９】開口面系アンテナとしては例えば、マルコ
−ニ放物円柱アンテナ、ホ−ンアンテナ、ウルツブルグ
（レ−ダ−）アンテナ、ホ−ンレフレクタ−アンテナ、
セグレンアンテナ、パラボラアンテナ、マルチビ−ムホ
−ンアンテナ、平面アンテナ、マイクロフトリップアン
テナ及びフェ−ズトアレイアンテナ等があり、これらの
うちパラボラアンテナ、セグレンアンテナ及び平面アン
テナが好ましく、特にパラボラアンテナが好ましい。Examples of aperture antennas include Marconi parabolic cylinder antennas, horn antennas, Wurzburg (radar) antennas, horn reflector antennas,
There are Seglen antennas, parabolic antennas, multi-beam horn antennas, planar antennas, microft lip antennas, phased array antennas, etc. Among these, parabolic antennas, Seglen antennas, and planar antennas are preferable, and parabolic antennas are particularly preferable. .
【００１０】さらに「電磁波の送・受信部」とは、例え
ばパラボラアンテナの場合開口面状の形状をした電磁波
の反射板である。Furthermore, the "electromagnetic wave transmitting/receiving section" is, for example, an electromagnetic wave reflecting plate having an aperture shape in the case of a parabolic antenna.
【００１１】また本発明でいう「異物」とは、アンテナ
を使用中に自然に付着・累積するものであって、具体的
には、例えば雪、氷、ちり、ほこり、砂塵、塩分及び工
場煤煙等の工場廃棄物等である。[0011] Furthermore, the term "foreign matter" as used in the present invention refers to things that naturally adhere to and accumulate while the antenna is in use, and specifically include, for example, snow, ice, dirt, dust, dust, salt, and factory soot. and other factory waste.
【００１２】上記異物の「異物除去器」とは、アンテナ
に付着・累積した異物を除去する機器であって、具体的
には、アンテナがパラボラアンテナの場合、異物が雪や
氷であるとすると、パラボラアンテナの電磁波の送・受
信面の裏（凸面）側に設置したヒ−タ−３である。[0012] The foreign matter remover is a device that removes foreign matter that has adhered to and accumulated on the antenna.Specifically, if the antenna is a parabolic antenna, and the foreign matter is snow or ice, , a heater 3 installed on the back (convex) side of the electromagnetic wave transmitting/receiving surface of the parabolic antenna.
【００１３】ヒ−タ−はアンテナに付着・累積した雪や
氷を融解させるものであればいづれでもよく、例えば電
熱ヒ−タ−を接着固定したもの、またパイプの中を流れ
る温又は冷水であってもよい。[0013] The heater may be of any type as long as it melts the snow or ice that has adhered to or accumulated on the antenna, such as an electric heater fixed with adhesive, or a heater with hot or cold water flowing through a pipe. There may be.
【００１４】また、異物が雪、氷、ちり、ほこり、砂塵
、塩分及び工場煤煙などの工場廃棄物等である場合、異
物除去器は、電磁波の送・受信面（凹面）に噴射される
ように設置された噴水器、もしくは噴霧器であってもよ
い。これら噴水（霧）器５の設置数は、パラボラアンテ
ナの大きさ、アンテナの設置環境等を考慮して適宜決定
される。[0014] Furthermore, when the foreign matter is snow, ice, dirt, dust, dust, sand dust, salt, factory waste such as factory soot, etc., the foreign matter remover is designed to spray onto the electromagnetic wave transmitting/receiving surface (concave surface). It may be a water fountain or a sprayer installed in the The number of these water fountains (fog) devices 5 to be installed is appropriately determined in consideration of the size of the parabolic antenna, the environment in which the antenna is installed, and the like.
【００１５】さらに、噴水（霧）器に使用される水は、
特に規定されるものではなく、いづれの水も使用できる
が、必要に応じ温水、溶剤をも使用でき、必要に応じ洗
浄剤を添加することにより、一層効果的な異物の除去を
行うことができる。Furthermore, the water used in the fountain (mist) device is
There are no particular regulations and any type of water can be used, but warm water or a solvent can also be used if necessary, and by adding a cleaning agent if necessary, more effective removal of foreign substances can be achieved. .
【００１６】これら異物除去器は、遠隔操作することも
、気象等環境の変化に応じて自動的に稼動させることも
できる。[0016] These foreign object removers can be operated remotely or automatically in response to changes in the environment such as weather.
【００１７】また、パラボラアンテナの電磁波の送・受
信面（凹面）の表層部に異物の付着・累積を極力抑制す
る作用を有する合成樹脂層４を設定することにより、さ
らに異物除去効果を向上させることが可能となる。Furthermore, by providing a synthetic resin layer 4 on the surface layer of the electromagnetic wave transmitting/receiving surface (concave surface) of the parabolic antenna, which has the effect of suppressing the adhesion and accumulation of foreign matter as much as possible, the foreign matter removal effect is further improved. becomes possible.
【００１８】本発明でいう「合成樹脂」とは、特に限定
されるものではなく、いづれの合成樹脂でも使用される
が、例えば、米国マックグロ−ヒル社（Ｍｃ Ｇｒａｗ
−Ｈｉｌｌ，Ｉｎｃ．）発行、「モダンプラスチックス
エンサイクロペディア（Ｍｏｄｅｒｎ Ｐｌａｓｔｉｃ
ｓ Ｅｎ−ｃｙｃｌｏｐｅｄｉａ）」第６６巻〓１１
、第６００−６４３頁記載の合成樹脂であり、具体的に
は、含フッ素系、ビニル系、アクリレ−ト系、ウレタン
系、エステル系、セルロ−ス系、スチレン系、オレフィ
ン系、アミド系、アセタ−ル系、アリ−ル系、エポキシ
系、カ−ボネ−ト系、イミド系及びこれらの混合物等の
合成樹脂であり、中でも含フッ素系、ビニル系、アクリ
ル系が好ましく、特に好ましくは、含フッ素系の合成樹
脂である。The "synthetic resin" used in the present invention is not particularly limited, and any synthetic resin can be used.
-Hill, Inc. ), published by Modern Plastics Encyclopedia.
s En-cyclopedia) Volume 66〓11
, pages 600-643, specifically, fluorine-containing, vinyl-based, acrylate-based, urethane-based, ester-based, cellulose-based, styrene-based, olefin-based, amide-based, Synthetic resins include acetal type, aryl type, epoxy type, carbonate type, imide type, and mixtures thereof, among which fluorine-containing type, vinyl type, and acrylic type are preferable, and particularly preferably, It is a fluorine-containing synthetic resin.
【００１９】本願でいう願フッ素系の合成樹脂とは、分
子構造式中にフッ素を含む合成樹脂であれば特に制限さ
れるものではないが、具体的には例えば、樹脂の分子構
造中に４個フッ素原子を有する四フッ化エチレン系樹脂
、さらに三フッ化エチレン系樹脂、二フッ化エチレン系
樹脂、一フッ化エチレン系樹脂及びこれら樹脂の複合物
等であり、中でも、四フッ化エチレン系樹脂、二フッ化
エチレン系樹脂及び一フッ化エチレン系樹脂が好ましく
、さらに四フッ化エチレン系樹脂が好ましい。The fluorine-based synthetic resin referred to in the present application is not particularly limited as long as it is a synthetic resin containing fluorine in its molecular structure, but specifically, for example, These include tetrafluoroethylene resins having individual fluorine atoms, as well as trifluoroethylene resins, difluoroethylene resins, monofluoroethylene resins, and composites of these resins. Resins, difluoroethylene resins and monofluoroethylene resins are preferred, and tetrafluoroethylene resins are more preferred.
【００２０】ここで、四フッ化エチレン系樹脂とは、具
体的には、例えば、四フッ化エチレン系樹脂（ＰＴＦＥ
）、四フッ化エチレン・パ−フロロアルコキシエチレン
共重合体（ＰＦＡ）、四フッ化エチレン・六フッ化プロ
ピレン・パ−フロロアルコキシエチレン共重合体（ＥＰ
Ｅ）及び四フッ化エチレン・エチレン共重合体（ＥＴＦ
Ｅ）等があり、中でもＰＦＡ、ＥＴＦＥ及びＥＰＥが好
ましく、特にＥＴＦＥが好ましい。[0020] Here, the tetrafluoroethylene resin specifically refers to, for example, tetrafluoroethylene resin (PTFE).
), tetrafluoroethylene/perfluoroalkoxyethylene copolymer (PFA), tetrafluoroethylene/hexafluoropropylene/perfluoroalkoxyethylene copolymer (EP
E) and tetrafluoroethylene/ethylene copolymer (ETF
E), among which PFA, ETFE and EPE are preferred, with ETFE being particularly preferred.
【００２１】ＥＴＦＥを具体的に説明すると、エチレン
及びテトラフルオロエチレンを主体とし（エチレン／テ
トラフルオロエチレンのモル比は、一般に４０／６０〜
６０／４０である）、そして必要により、これに少量（
通常１０モル％以下）の第３のコモノマ−成分を共重合
させたものであり、本発明では、殊にエチレン／テトラ
フルオロエチレンの含有モル比が４０／６０〜６０／４
０、好ましくは４５／５５〜５５／４５の範囲内にあり
、且つ式ＣＨ２＝ＣＨ−ＣｎＦ２ｎ＋１（ここで、ｎは
２〜１０の整数である）で示されるパ−フルオロアルキ
ルビニルモノマ−単位の含有量が０．１〜１０モル％、
好ましくは０．３〜５モル％の範囲内にあるエチレン−
テトラフルオロエチレン系共重合体が好適に使用される
。[0021] ETFE is mainly composed of ethylene and tetrafluoroethylene (the molar ratio of ethylene/tetrafluoroethylene is generally 40/60 to 40/60).
60/40), and if necessary add a small amount (
In the present invention, the molar ratio of ethylene/tetrafluoroethylene is 40/60 to 60/4.
0, preferably within the range of 45/55 to 55/45, and of perfluoroalkylvinyl monomer units of the formula CH2=CH-CnF2n+1, where n is an integer from 2 to 10. The content is 0.1 to 10 mol%,
Preferably in the range of 0.3 to 5 mol% ethylene-
Tetrafluoroethylene copolymers are preferably used.
【００２２】このエチレン−テトラフルオロエチレン系
共重合体はそれ自体既知のものであり、例えば特公昭５
９−５０１６３号公報に記載の方法で製造することがで
き、また、市販品として旭硝子（株）「アフロン Ｃ
ＯＰ」なる商品名で市販されているものを使用すること
もできる。This ethylene-tetrafluoroethylene copolymer is known per se, for example,
It can be manufactured by the method described in Publication No. 9-50163, and it can also be produced as a commercially available product by Asahi Glass Co., Ltd. "Afron C".
A product commercially available under the trade name "OP" can also be used.
【００２３】また、上記三フッ化エチレン系樹脂とは、
具体的には例えば、三フッ化塩化エチレン樹脂（ＰＣＴ
ＦＥ）及び三フッ化塩化エチレン・エチレン共重合体（
ＥＣＴＦＥ）等であり、中でもＰＣＴＦＥが好ましい。[0023] Furthermore, the above trifluoroethylene resin is
Specifically, for example, trifluorochloroethylene resin (PCT
FE) and trifluorochloroethylene/ethylene copolymer (
ECTFE), among which PCTFE is preferred.
【００２４】前記二フッ化エチレン系及び一フッ化エチ
レン系樹脂とは、具体的には、例えば、フッ化ビニリデ
ン樹脂（ＰＶＤＦ）及びフッ化ビニル樹脂（ＰＶＣ）で
ある。[0024] Specifically, the difluoroethylene resin and monofluoroethylene resin are, for example, vinylidene fluoride resin (PVDF) and vinyl fluoride resin (PVC).
【００２５】本発明で、合成樹脂層を設定する方法とし
ては、特に制限はなく、例えば、一旦、合成樹脂フィル
ムを作成し、これをパラボラアンテナ上に接着剤もしく
は熱溶融法により、接合させるとかあるいは、合成樹脂
溶液をパラボラアンテナ上に塗布、乾燥することによっ
ても得ることができるが本発明においては、前者が表面
平滑性に優れることからして、好適である。これら、合
成樹脂層中には、必要に応じて着色剤を配合することが
できる。[0025] In the present invention, there are no particular restrictions on the method of setting the synthetic resin layer, and for example, a synthetic resin film may be made once and then bonded onto the parabolic antenna using an adhesive or a heat melting method. Alternatively, it can be obtained by applying a synthetic resin solution onto the parabolic antenna and drying it, but in the present invention, the former method is preferable since it has excellent surface smoothness. A coloring agent can be added to these synthetic resin layers as needed.
【００２６】[0026]
【作用】アンテナに具備した例えばヒ−タ−及び／又は
噴水（霧）器等の異物除去器がアンテナに付着・累積し
た異物を除去し、よって常にアンテナの機能を保持する
ことが可能となった。[Operation] A foreign matter remover such as a heater and/or a water fountain (fog) installed on the antenna removes foreign matter that has adhered to or accumulated on the antenna, thus making it possible to maintain the antenna's functionality at all times. Ta.
【００２７】異物除去器のうち例えばヒ−タ−は、アン
テナに付着・累積した雪、氷等を自動的に電熱加熱、温
水、もしくは０℃以上の水を所所パイプに通すことによ
り融解させることができる。また異物が雪、氷、ちり、
ほこり、砂塵、塩分及び工場煤煙などの工場廃棄物等で
ある場合は、アンテナに設置した噴水又は噴霧器から噴
出する水（霧）により異物を効果的に除去することがで
きる。[0027] Among the foreign object removers, for example, a heater melts snow, ice, etc. that has adhered to or accumulated on the antenna by automatically heating it electrically, or by passing hot water or water at a temperature of 0°C or higher through a pipe at a certain place. be able to. Also, foreign objects such as snow, ice, dust, etc.
In the case of factory waste such as dust, sand, salt, and factory soot, the foreign matter can be effectively removed by water (mist) spouted from a fountain or sprayer installed on the antenna.
【００２８】また必要に応じ、アンテナ表面に、合成樹
脂、特に含フッ素系合成樹脂層を設置することにより、
異物が付着・累積することを未然に防ぐことができ、た
とえ軽く付着・累積しても、上記異物除去器によって、
容易に除去することができる。[0028] Furthermore, if necessary, a synthetic resin layer, particularly a fluorine-containing synthetic resin layer, may be provided on the antenna surface.
It is possible to prevent foreign matter from attaching and accumulating, and even if it is lightly attached or accumulating, the above foreign matter remover will remove it.
Can be easily removed.
【００２９】[0029]
【発明の効果】本発明により、深山、高層タワ−等人間
が管理し難い所に設置されたアンテナに付着・累積した
異物を自動的かつ容易に除去することが可能となり、そ
の結果、常時アンテナの機能を保持させることができる
ようになった。Effects of the Invention: According to the present invention, it is possible to automatically and easily remove foreign matter that has adhered to or accumulated on antennas installed in places that are difficult for humans to manage, such as deep mountains or high-rise towers. It is now possible to retain the functionality of
【図１】本発明によるアンテナの例であるパラボラアン
テナを概略的に示している。1 schematically shows a parabolic antenna as an example of an antenna according to the invention; FIG.
１：パラボラアンテナの基板 ２：電磁波反射層 ３：ヒ−タ−部 ４：合成樹脂層 ５：噴水（霧）器 1: Parabolic antenna board 2: Electromagnetic wave reflective layer 3: Heater section 4: Synthetic resin layer 5: Fountain (mist) device
Claims (4)
着・累積した異物を除去する異物除去器を具備してなる
ことを特徴とする改良されたアンテナ。1. An improved antenna characterized by comprising at least a foreign matter remover for removing foreign matter that has adhered to and accumulated on an electromagnetic wave transmitting/receiving section.
請求項１記載の改良されたアンテナ。2. The improved antenna of claim 1, wherein the antenna is a parabolic antenna.
波送・受信面の裏（凸面）部に設置したヒ−タ−及び／
又は電波送・受信面（凹面）に噴射されるよう設置され
た噴水（霧）器である請求項１記載の改良されたアンテ
ナ。[Claim 3] The foreign object remover is connected to a heater and/or a heater installed on the back (convex surface) of the radio wave transmitting/receiving surface of the parabolic antenna.
The improved antenna according to claim 1, wherein the antenna is a water fountain (mist) installed so as to be sprayed onto a radio wave transmitting/receiving surface (concave surface).
（凹面）の表層が含フッ素系合成樹脂層である請求項２
〜３いづれか記載の改良されたアンテナ。4. Claim 2, wherein the surface layer of the radio wave transmitting/receiving surface (concave surface) of the parabolic antenna is a fluorine-containing synthetic resin layer.
The improved antenna according to any one of ~3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4550991A JPH04264803A (en) | 1991-02-19 | 1991-02-19 | Improved antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4550991A JPH04264803A (en) | 1991-02-19 | 1991-02-19 | Improved antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04264803A true JPH04264803A (en) | 1992-09-21 |
Family
ID=12721379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4550991A Pending JPH04264803A (en) | 1991-02-19 | 1991-02-19 | Improved antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04264803A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417958A (en) * | 2018-02-09 | 2018-08-17 | 莒县广播电视台 | automatic cleaning type satellite antenna |
-
1991
- 1991-02-19 JP JP4550991A patent/JPH04264803A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417958A (en) * | 2018-02-09 | 2018-08-17 | 莒县广播电视台 | automatic cleaning type satellite antenna |
| CN108417958B (en) * | 2018-02-09 | 2023-09-15 | 莒县广播电视台 | Automatic cleaning type satellite antenna |
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