JPS60177505U

JPS60177505U - Slot array antenna device

Info

Publication number: JPS60177505U
Application number: JP5178084U
Authority: JP
Inventors: 隆成寺川; 睦高橋; 赤羽　紀之
Original assignee: 株式会社トキメック
Priority date: 1984-04-09
Filing date: 1984-04-09
Publication date: 1985-11-26

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

[Brief explanation of drawings]

第１図は従来のホーン型アンテナ装置を示す断面図、第
２図は誘電体導波機構を備えたスロット・アレイ・アン
チｊ装置の例を示す斜視図、第３図は本考案スロット・
アレイ・アンテナ装置の　　　。第１実施例を示す部分破断側面図、第４図は上記実施例
の要部を構成するアンテナの構造を示す斜　　　　・親
図、第５Ａ図は上記実施例における保持部材によるスロ
ット導波管保持状態を示す部分斜視図、第５Ｂ図はその
断面図、第６Ａ図は上記実施例に使用される反射板の構
造を示す部分破断斜視図、第６Ｂ図は上記実施例におけ
る反射板とレードームとの固着状態を示す部分断面図、
第６Ｃ図は上記反射板とレードームを一体化した状態を
示す断面図、第７図は上記実施例に使用されるグリッド
の一例を示す斜視図、第８Ａ図は上記実施例の実測放射
パターンを示す特性図、第８Ｂ図は上記実施例からレー
ドームを除去したものの実測放射パターンを示す特性図
、第９図は本考案の第２実施例を示す断面図、第１０図
は垂直偏波抑圧素子として素子ブロックをスロット導波
管に装着した状態を示す部分斜視図、第１１図は上記素
子ブロン゛りの他の例を示す斜視図である。　　　　　
　　　　　′１・・・スロット導波管、２・・・保持部
材、３・・・誘電体導波機構、４・・・反射板、３Ｃｗ
３ｂ・・・誘電体板、４ａ・・・開口部、４ｂ・・・反
射部、４Ｃ・・・取付部、４ｄ、４ｅ・・・オーバーレ
イ、５・・・金属板、５ａ・・・透Ｌ　６−・・グリッ
ド、６ａ・・・スリット、７・・・レードーム、８・・
・固定部材、７ａ、７ｂ”・誘電体板並設部分、８ａ・
・・取付部、９・・・ナツト、１ト・・回転駆動系、１
１・・・アンテナ支持部、１２ａ・・・ボルト、１２ｂ
・・・ナツト、１３・・・支持部材、１４・・・スペー
サ。）　）５σ　５．５σ ）　　　　　　　　４ｅ　− 補正　昭５９．５．１９実用新案登録請求の範囲を次のように補正する。　　　
　　　− 一０実用新案登録請求の範囲一（１）　　前端面にスロット群を設けて成る。スロット
導波管と、該導波管を長手方向に沿−ｖｉ後面側から固
定支持する保持部材とを備え、かつ、スロット導波管の
前端に、該前端前方の空間を挟んで、板厚が使用波長に
比して十分薄い一対の誘−電体板を突成し、さらに、該
一対め誘電体板の外側に、誘電体板の基部近傍を透過し
て射出される電磁波を反射する反射板を設けて成るスロ
ット・アレイ・アンテナ装置において、ａ　上記保持部
材の、上記導波管を固定すべき位置に、長手方向に沿っ
て１個または複数個の一貫通孔を設け、該貫通孔の内壁
と上記スロット導波管後面とを固着して該スロット導波
管を固定保持して成り、ｂ　上記反射板を、合成樹脂材にて形成すると共に、該
板の内部または表面に、導体からな−る反射層を設けて
成り、Ｃ上記一対の誘電体板の板間の、上記スロット導波管の
前端近傍に、垂直偏波抑圧素子を装着−して成り、ｄ　上記反射板の開口部に、板厚が使用波長に比して十
分薄い誘電体板からなるレードームを、該反射板前方−
に突出する上記誘電体導波−機構を覆って装着（て成り
、ｅ　さらに、上記一対の誘電体板の外側または′−該一
対や誘電体板の板間の少なくとも一方に、使用電磁波に
対して略透明な材料からなる支持部材を装着して成るこ
と、を特徴とする支ロフト・アレイ・アンテナ装置。（２）上記反射板とレードームとを、互いの開口部にて
固着連結して、一体的なカバー状に形成して成や請求の
範ｉ第１項記載のスロット・アレー　　イ書アンテナ装
置。　　−−− 補正　昭６０．６．１３実用新案登録請求の範囲を次のように補正する。Ｏ実用新案登録請求の範囲（１）前端面にスロット群を設けて成るスロット導波管
と、該導波管を長手方向に沿って後面側から固定支持す
る保持部材とを備え、かつ、スロット導波管の前方に、
該前方の空間を挟んで、板厚が使用波長に比して十分薄
い一対の誘電体板を突設し、さらに、該一対の誘電体板
の外側に、誘電体板の基部近傍を透過して射出される電
磁波を反射する反射板を設けて成るスロット・アレイ・
アンテナ装置において、ａ上記保持部材の、上記導波管を固定すべき位置に、長
手方向に沿って１個または複数個の貫通孔を設け、該貫
通孔の内壁と上記スロット導波管後面とを固着して該ス
ロット導波管を固定保持して成り、ｂ　上記反射板を、合成樹脂材にて形成すると共に、該
板の内部または表面に、導体からなる反射層を設けて成
り、Ｃ上記一対の誘電体板の板間Ｑ１上記スロット導波管の
前端近傍に、垂直偏波抑圧素子を装着して成り、ｄ　上記反射板の開口部に、板厚が使用波長に比して十
分薄い誘電体板からなるレードームを、該反射板前方に
突出する上記誘電体導波機構を覆って装着して成り、ｅ　さらに、上記一対の誘電体板の外側または該一対の
誘電体板の板間の少なくとも一方に、使用電磁波に対し
て略透明な材料からなる支持部材を装着して成ること、をＷｉｋとするスロット拳アレイ・アンテナ装置。（２）上記反射板とレードームとを、互いの開口部にて
固着連結して、一体的なカバー状に形成して成る請求の
範囲第１項記載のスロット・アレイ・アンテナ装置。Fig. 1 is a sectional view showing a conventional horn-type antenna device, Fig. 2 is a perspective view showing an example of a slot array anti-j device equipped with a dielectric waveguide mechanism, and Fig. 3 is a cross-sectional view showing a conventional horn-type antenna device.
Array antenna equipment. A partially cutaway side view showing the first embodiment, FIG. 4 is an oblique view showing the structure of the antenna that constitutes the main part of the above embodiment, and a parent view and FIG. 5A are slot waveguides held by the holding member in the above embodiment. FIG. 5B is a sectional view thereof, FIG. 6A is a partially cutaway perspective view showing the structure of the reflector used in the above embodiment, and FIG. 6B is a diagram showing the structure of the reflector and radome in the above embodiment. A partial cross-sectional view showing the fixed state of
FIG. 6C is a sectional view showing a state in which the reflector and radome are integrated, FIG. 7 is a perspective view showing an example of the grid used in the above embodiment, and FIG. 8A is a measured radiation pattern of the above embodiment. 8B is a characteristic diagram showing the actually measured radiation pattern of the above embodiment with the radome removed. FIG. 9 is a sectional view showing the second embodiment of the present invention. FIG. 10 is a vertical polarization suppressing element. FIG. 11 is a partial perspective view showing a state in which an element block is attached to a slot waveguide, and FIG. 11 is a perspective view showing another example of the element block.
'1... Slot waveguide, 2... Holding member, 3... Dielectric waveguide mechanism, 4... Reflection plate, 3Cw
3b... Dielectric plate, 4a... Opening, 4b... Reflective part, 4C... Mounting part, 4d, 4e... Overlay, 5... Metal plate, 5a... Transparent L 6-...Grid, 6a...Slit, 7...Radome, 8...
・Fixing member, 7a, 7b''・Dielectric plate parallel part, 8a・
...Mounting part, 9...Nut, 1 To...Rotation drive system, 1
1... Antenna support part, 12a... Bolt, 12b
...Nut, 13...Supporting member, 14...Spacer. )) 5σ 5. 5σ) 4e - Amendment May 19, 1982 The scope of claims for utility model registration is amended as follows.
- 10 Utility Model Registration Claims 1 (1) A group of slots are provided on the front end surface. It is equipped with a slot waveguide and a holding member that fixedly supports the waveguide from the rear side along the longitudinal direction, and has a plate thickness at the front end of the slot waveguide with a space in front of the front end in between. protrudes a pair of dielectric plates that are sufficiently thin compared to the wavelength used, and further reflects electromagnetic waves transmitted through the vicinity of the base of the dielectric plates and emitted to the outside of the first pair of dielectric plates. In a slot array antenna device provided with a reflector, a one or more through holes are provided along the longitudinal direction in a position of the holding member at which the waveguide is to be fixed; The slot waveguide is fixedly held by fixing the inner wall of the hole and the rear surface of the slot waveguide, b. The reflecting plate is formed of a synthetic resin material, and inside or on the surface of the plate, a reflective layer made of a conductor; C a vertical polarization suppressing element mounted near the front end of the slot waveguide between the pair of dielectric plates; d the reflective plate. A radome made of a dielectric plate whose thickness is sufficiently thin compared to the wavelength used is placed in the opening in front of the reflector plate.
The dielectric waveguide mechanism protruding from the dielectric waveguide mechanism is covered with the structure, e. A supporting loft array antenna device comprising: a support member made of a substantially transparent material is attached to the support member; The slot array antenna device according to claim 1, which is formed into an integral cover shape. Utility Model Registration Claims (1) A slot waveguide having a group of slots on its front end surface, and a holding member that fixes and supports the waveguide from the rear side along the longitudinal direction, and , in front of the slot waveguide,
A pair of dielectric plates, whose thickness is sufficiently thin compared to the wavelength used, is protruded across the front space, and furthermore, on the outside of the pair of dielectric plates, the vicinity of the base of the dielectric plates is transmitted. A slot array consisting of a reflector that reflects electromagnetic waves emitted by
In the antenna device, a one or more through holes are provided along the longitudinal direction in the holding member at a position where the waveguide is to be fixed, and an inner wall of the through hole and a rear surface of the slot waveguide are connected to each other. (b) The reflecting plate is formed of a synthetic resin material, and a reflective layer made of a conductor is provided inside or on the surface of the plate, (C) Between the pair of dielectric plates Q1: A vertical polarization suppressing element is installed near the front end of the slot waveguide; A radome made of a thin dielectric plate is mounted to cover the dielectric waveguide mechanism protruding in front of the reflector, and e furthermore, the outside of the pair of dielectric plates or the plate of the pair of dielectric plates. A slot fist array antenna device comprising: a support member made of a material that is substantially transparent to electromagnetic waves to be used; (2) The slot array antenna device according to claim 1, wherein the reflector and the radome are fixedly connected to each other at their openings to form an integral cover shape.

Claims

[Scope of utility model registration request]

(1) A slot waveguide having a group of slots provided on the front end surface, and a holding member that fixes and supports the waveguide from the rear side along the longitudinal direction, and at the front end of the slot waveguide,
A pair of dielectric plates whose thickness is sufficiently thin compared to the wavelength to be used is protruded across the space in front of the front end, and furthermore, a pair of dielectric plates is provided on the outside of the pair of dielectric plates to transmit light near the base of the dielectric plates. In the slot array antenna device, a slot array antenna device is provided with a reflector that reflects electromagnetic waves emitted from the holding member. A through hole is provided, and the slot waveguide is fixedly held by welding the inner wall of the through hole and the rear surface of the slot waveguide, b. The reflecting plate is formed of a synthetic resin material, and A reflective layer made of a conductor is provided inside or on the surface of the plate, and a vertical polarization suppressing element is installed near the front end of the slot waveguide between the pair of dielectric plates. d a radome made of a dielectric plate having a thickness sufficiently thin compared to the wavelength used is mounted in the opening of the reflector, covering the dielectric waveguide mechanism protruding in front of the reflector; e Furthermore, a supporting member made of a material that is substantially transparent to the electromagnetic waves used is attached to at least one of the outer sides of the pair of dielectric plates or between the pairs of dielectric plates. slot array antenna device.

(2) The slot array antenna device according to claim 11, wherein the reflector and the radome are fixedly connected at their openings to form an integral cover shape.