JPH08148931A - Phased array antenna system - Google Patents
Phased array antenna systemInfo
- Publication number
- JPH08148931A JPH08148931A JP6289824A JP28982494A JPH08148931A JP H08148931 A JPH08148931 A JP H08148931A JP 6289824 A JP6289824 A JP 6289824A JP 28982494 A JP28982494 A JP 28982494A JP H08148931 A JPH08148931 A JP H08148931A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- connector
- cylindrical portion
- module
- inner cylindrical
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 230000013011 mating Effects 0.000 claims description 6
- 238000005476 soldering Methods 0.000 abstract description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 2
- 241000981595 Zoysia japonica Species 0.000 description 1
- LFYJSSARVMHQJB-QIXNEVBVSA-N bakuchiol Chemical compound CC(C)=CCC[C@@](C)(C=C)\C=C\C1=CC=C(O)C=C1 LFYJSSARVMHQJB-QIXNEVBVSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、フェーズドアレイアン
テナに関し、特にアンテナ素子の給電に用いるコネクタ
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a phased array antenna and, more particularly, to a connector used for feeding power to an antenna element.
【０００２】[0002]
【従来の技術】近年、フェーズドアレイアンテナの小型
軽量化のため、アンテナ素子としてプリント基板上に形
成するマイクロストリップアンテナが用いられている。
図３に一般的なマイクロストリップアンテナを用いたフ
ェーズドアレイアンテナの一例の外観図を示す。図３に
おいて、マイクロストリップアンテナ２１がプリント基
板２２上に縦３素子横４素子の合計１２素子でアレイを
形成し、各マイクロストリップアンテナ２１に移相器等
を実装した送受信モジュール１２が接続される。送受信
モジュール１２には電力分配合成器２４が接続され、フ
ェーズドアレイアンテナを形成し、送受信モジュール１
２内の移相器を制御してビーム走査を行う。ここで送受
信モジュール１２は、取付板２３により固定され、マイ
クロストリップアンテナ２１との接続を保持している。2. Description of the Related Art In recent years, in order to reduce the size and weight of a phased array antenna, a microstrip antenna formed on a printed circuit board has been used as an antenna element.
FIG. 3 shows an external view of an example of a phased array antenna using a general microstrip antenna. In FIG. 3, a microstrip antenna 21 forms an array of a total of 12 elements of 3 elements in length and 4 elements in width on a printed circuit board 22, and each microstrip antenna 21 is connected to a transmitting / receiving module 12 having a phase shifter or the like mounted thereon. . The transmission / reception module 12 is connected to a power distribution / synthesizer 24 to form a phased array antenna.
The beam scanning is performed by controlling the phase shifter in 2. Here, the transmission / reception module 12 is fixed by a mounting plate 23 and holds the connection with the microstrip antenna 21.
【０００３】従来のマイクロストリップアンテナと送受
信モジュールとの接続を図４に示す。図４において、マ
イクロストリップアンテナ２１を形成するプリント基板
２２に重ね合わせて支持する金属板２５にアンテナコネ
クタ２６を挿入し、アンテナコネクタ２６の同軸線路を
形成する中心導体２８の先端をマイクロストリップアン
テナ２１の給電部に半田２９により接続している。送受
信モジュール１２にはモジュールコネクタ２７を実装し
て、アンテナコネクタ２６の中心導体２８とモジュール
コネクタ２７の中心導体３０をかん合させて、同軸線路
構造の接続を行っている。この時、送受信モジュール１
２は、マイクロストリップアンテナ２１と安定した電気
性能を確保するため、常にアンテナコネクタ２６の中心
導体２８とモジュールコネクタ２７の中心導体３０が一
直線上になるように金属板２５の面に垂直に保持される
必要がある。FIG. 4 shows the connection between a conventional microstrip antenna and a transceiver module. In FIG. 4, an antenna connector 26 is inserted into a metal plate 25 which is supported by being superposed on a printed circuit board 22 forming a microstrip antenna 21, and a tip of a center conductor 28 forming a coaxial line of the antenna connector 26 is connected to the microstrip antenna 21. Are connected by a solder 29 to the power supply section. A module connector 27 is mounted on the transmission / reception module 12, and a central conductor 28 of the antenna connector 26 and a central conductor 30 of the module connector 27 are engaged with each other to establish a coaxial line structure connection. At this time, the transmission / reception module 1
In order to secure stable electric performance with the microstrip antenna 21, the antenna 2 is held perpendicular to the surface of the metal plate 25 so that the central conductor 28 of the antenna connector 26 and the central conductor 30 of the module connector 27 are always aligned. Need to
【０００４】[0004]
【発明が解決しようとする課題】この従来のフェーズド
アレイアンテナのコネクタ構造は、マイクロストリップ
アンテナにアンテナコネクタの中心導体を半田付けする
必要があり、アンテナ素子が多くなると作業工数が増大
するという欠点があった。The conventional connector structure of the phased array antenna has a disadvantage that the center conductor of the antenna connector needs to be soldered to the microstrip antenna, and the number of man-hours increases as the number of antenna elements increases. there were.
【０００５】また、アンテナコネクタと送受信モジュー
ルのモジュールコネクタとのかん合を正確に行う必要が
あり、送受信モジュールの取付けがずれると、コネクタ
に機械的ストレスが加わり、コネクタの故障や電気性能
の劣化を発生するという欠点があった。In addition, it is necessary to accurately engage the antenna connector with the module connector of the transmitting / receiving module. If the mounting of the transmitting / receiving module is misaligned, mechanical stress is applied to the connector, which may cause failure of the connector and deterioration of electrical performance. There was a drawback that it occurred.
【０００６】そこで、本発明は前記従来の技術の欠点を
改良し、半田付けの工事を不要にして作業工程の簡素化
を図り、また、送受信モジュールの取付けがずれても、
コネクタに機械的ストレスが加わらないようにして、コ
ネクタの故障や電気性能の劣化が生じないように図るも
のである。Accordingly, the present invention improves the disadvantages of the conventional technique, simplifies the work process by eliminating the need for soldering work, and furthermore, even if the transmission / reception module is misaligned.
An object of the present invention is to prevent mechanical stress from being applied to the connector so as not to cause a failure of the connector and deterioration of electric performance.
【０００７】[0007]
【課題を解決するための手段】本発明は、前記課題を解
決するため、マイクロストリップアンテナで構成される
複数のアンテナ素子と、前記複数のアンテナ素子にコネ
クタにより接続される移相器等で構成される複数の送受
信モジュールを制御してビーム走査を行うフェーズドア
レイアンテナにおいて、前記アンテナ素子と前記送受信
モジュールのマイクロ波信号を接続する同軸線路構造
を、前記マイクロストリップアンテナの給電点をスルー
ホール構造で形成するプリント基板と、前記プリント基
板に重ね合わせ支持する支持板と、前記支持板に挿入さ
れるアンテナコネクタと前記アンテナコネクタに接続さ
れる前記送受信モジュールのモジュールコネクタを備
え、前記アンテナコネクタは内円筒部と外円筒部で構成
され、前記内円筒部は同軸線路を形成すると共に前記外
円筒部に板バネにより支持される構造であって、前記ア
ンテナコネクタの前記内円筒部の中心導体は前記マイク
ロストリップアンテナ側の端部に球形のかん合部とスプ
リングを装着し前記マイクロストリップアンテナのスル
ーホールに接触する構造を有し、前記送受信モジュール
のモジュールコネクタは同軸線路を形成し前記モジュー
ルコネクタが前記内円筒部にかん合する構造を備え、前
記モジュールコネクタは前記外円筒部にバネにより支持
される構造のフェーズドアレイアンテナを構成する。In order to solve the above-mentioned problems, the present invention comprises a plurality of antenna elements constituted by microstrip antennas, and a phase shifter connected to the plurality of antenna elements by connectors. In a phased array antenna that performs beam scanning by controlling a plurality of transmission / reception modules, a coaxial line structure that connects the antenna element and a microwave signal of the transmission / reception module has a through-hole structure with a feed point of the microstrip antenna. A printed circuit board to be formed, a support plate superimposed on and supported by the printed circuit board, an antenna connector inserted into the support plate, and a module connector of the transmitting / receiving module connected to the antenna connector, wherein the antenna connector is an inner cylinder. Part and an outer cylindrical part, and the inner cylindrical part is A structure in which an axial line is formed and the outer cylindrical portion is supported by a leaf spring, and a center conductor of the inner cylindrical portion of the antenna connector has a spherical engagement portion and a spring at an end portion on the microstrip antenna side. And a structure for contacting a through hole of the microstrip antenna, wherein the module connector of the transmission / reception module has a structure in which a coaxial line is formed and the module connector engages with the inner cylindrical portion. A phased array antenna having a structure supported by a spring on the outer cylindrical portion is configured.
【０００８】[0008]
【実施例】次に本発明の一実施例について図面を参照し
て説明する。図１は、本発明の一実施例のフェーズドア
レイアンテナにおけるコネクタの断面図である。マイク
ロストリップアンテナ１は、プリント基板３上に形成さ
れ、給電部がプリント基板３の裏面までスルーホール２
で延長されている。プリント基板３に重ね合わせた支持
板４に挿入されたアンテナコネクタ５は、同軸線路構造
を持つ内円筒部６と支持板４に固定される外円筒部７で
構成し、内円筒部６は外円筒部７に板バネ８により支持
される。内円筒部６の中心導体９は、マイクロストリッ
プアンテナ１の側の端部に球形かん合部１０とスプリン
グ１１を備え、スルーホール２に常に接触する構造とな
っている。また、送受信モジュール１２のモジュールコ
ネクタ１３は、同軸線路構造とし、バネ１４により支持
されてアンテナコネクタ５にかん合する。An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a sectional view of a connector in a phased array antenna according to one embodiment of the present invention. The microstrip antenna 1 is formed on a printed circuit board 3, and a power supply unit extends through the through hole 2 to the back surface of the printed circuit board 3.
Has been extended. The antenna connector 5 inserted into the support plate 4 superposed on the printed circuit board 3 is composed of an inner cylindrical portion 6 having a coaxial line structure and an outer cylindrical portion 7 fixed to the support plate 4, and the inner cylindrical portion 6 has an outer cylindrical portion. It is supported on the cylindrical portion 7 by a leaf spring 8. The center conductor 9 of the inner cylindrical portion 6 has a spherical mating portion 10 and a spring 11 at the end on the side of the microstrip antenna 1, and has a structure in which it is always in contact with the through hole 2. In addition, the module connector 13 of the transmission / reception module 12 has a coaxial line structure, is supported by a spring 14, and engages with the antenna connector 5.
【０００９】送受信モジュール１２からの送信信号は、
モジュールコネクタ１３からアンテナコネクタ５の内円
筒部６を通り、球形かん合部１０からスルーホール２に
給電され、マイクロストリップアンテナ１から放射され
る。アンテナコネクタ５の中心導体９とモジュールコネ
クタ１３の中心導体１５は、同軸線路のインピーダンス
が一定となる直径に設定し反射による伝送損失の発生を
抑えている。ここで、スプリング１１が円柱でないこと
による同軸線路のインピーダンスへの影響は、軽微であ
る。The transmission signal from the transmission / reception module 12 is
Power is supplied from the module connector 13 through the inner cylindrical portion 6 of the antenna connector 5 to the through hole 2 from the spherical mating portion 10 and radiated from the microstrip antenna 1. The center conductor 9 of the antenna connector 5 and the center conductor 15 of the module connector 13 are set to have a diameter at which the impedance of the coaxial line becomes constant, thereby suppressing transmission loss due to reflection. Here, the influence of the spring 11 not being a cylinder on the impedance of the coaxial line is slight.
【００１０】また、図２に示すように、送受信モジュー
ル１２が傾斜してモジュールコネクタ１３がアンテナコ
ネクタ５に斜めに挿入されても、アンテナコネクタ５の
内円筒部６が傾斜してモジュールコネクタ１３にかん合
するため、電気性能の劣化や各コネクタに対し機械的ス
トレスが発生しない。図２において、アンテナコネクタ
５とスルーホール２との接触は、スプリング１１が球形
かん合部１０を常に押上げてスルーホール２に密着する
ように動作するため、伝送損失の増加等の電気性能の劣
化は生じない。As shown in FIG. 2, even when the transmitting / receiving module 12 is inclined and the module connector 13 is inserted obliquely into the antenna connector 5, the inner cylindrical portion 6 of the antenna connector 5 is inclined and attached to the module connector 13. Because of the mating, there is no deterioration of electrical performance and no mechanical stress on each connector. In FIG. 2, the contact between the antenna connector 5 and the through hole 2 is such that the spring 11 always pushes up the spherical mating portion 10 and operates so as to be in close contact with the through hole 2. No degradation occurs.
【００１１】[0011]
【発明の効果】以上説明したように本発明は、マイクロ
ストリップアンテナの給電部をスルーホール構造とした
ためプリント基板に半田付けの工事が不要となると共
に、アンテナコネクタの内円筒部の球形のかん合部にス
プリングを装着しているため、安定したスルーホールと
の接触が可能となり、マイクロ波の伝送性能が安定する
効果を奏する。As described above, according to the present invention, since the feed portion of the microstrip antenna has a through-hole structure, the work of soldering to the printed circuit board becomes unnecessary, and the spherical connection of the inner cylindrical portion of the antenna connector is achieved. Since the spring is attached to the portion, stable contact with the through hole is possible, and the effect of stabilizing the microwave transmission performance is achieved.
【００１２】また、アンテナコネクタを内円筒部と外円
筒部で構成し送受信モジュールの実装位置がずれても内
円筒部が傾斜する構造としたため、アンテナコネクタと
モジュールコネクタへの機械的ストレスを抑圧できると
共に接触の信頼性を確保できる効果を奏する。Further, since the antenna connector is composed of the inner cylindrical portion and the outer cylindrical portion and the inner cylindrical portion is inclined even if the mounting positions of the transmitting and receiving modules are deviated, mechanical stress on the antenna connector and the module connector can be suppressed. At the same time, the contact reliability can be ensured.
【図１】本発明の一実施例のフェーズドアレイアンテナ
におけるコネクタの断面図である。FIG. 1 is a sectional view of a connector in a phased array antenna according to one embodiment of the present invention.
【図２】図１において送受信モジュールが傾斜した状態
の断面図である。FIG. 2 is a cross-sectional view illustrating a state in which a transmission / reception module is inclined in FIG.
【図３】フェーズドアレイアンテナの外観図である。FIG. 3 is an external view of a phased array antenna.
【図４】従来のフェーズドアレイアンテナにおけるコネ
クタの断面図である。FIG. 4 is a sectional view of a connector in a conventional phased array antenna.
１，２１ マイクロストリップアンテナ ２ スルーホール ３，２２ プリント基板 ４ 支持板 ５，２６ アンテナコネクタ ６ 内円筒部 ７ 外円筒部 ８ 板バネ ９，１５，２８，３０ 中心導体 １０ 球形かん合部 １１ スプリング １２ 送受信モジュール １３，２７ モジュールコネクタ １４ バネ ２３ 取付板 ２４ 電力分配合成器 ２５ 金属板 ２９ 半田 1, 21 Microstrip antenna 2 Through hole 3, 22 Printed circuit board 4 Support plate 5, 26 Antenna connector 6 Inner cylindrical part 7 Outer cylindrical part 8 Leaf spring 9, 15, 28, 30 Center conductor 10 Spherical mating part 11 Spring 12 Transceiver module 13, 27 Module connector 14 Spring 23 Mounting plate 24 Power distribution synthesizer 25 Metal plate 29 Solder
───────────────────────────────────────────────────── フロントページの続き (72)発明者 橋村 隆行 千葉県木更津市祇園４−29−12 (72)発明者 佐藤 光央 東京都港区芝五丁目７番１号 日本電気株 式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takayuki Hashimura 4-29-12 Gion Kisarazu City, Chiba Prefecture (72) Inventor Mitsuo Sato 5-7-1, Shiba, Minato-ku, Tokyo NEC Corporation
Claims (2)
る複数のアンテナ素子と、前記複数のアンテナ素子にコ
ネクタにより接続される移相器等で構成される複数の送
受信モジュールを制御してビーム走査を行うフェーズド
アレイアンテナにおいて、前記アンテナ素子と前記送受
信モジュールのマイクロ波信号を接続する同軸線路構造
を、前記マイクロストリップアンテナの給電点をスルー
ホール構造で形成するプリント基板と、前記プリント基
板に重ね合わせ支持する支持板と、前記支持板に挿入さ
れるアンテナコネクタと前記アンテナコネクタに接続さ
れる前記送受信モジュールのモジュールコネクタを備
え、前記アンテナコネクタは内円筒部と外円筒部で構成
され、前記内円筒部は同軸線路を形成すると共に前記外
円筒部に板バネにより支持される構造であって、前記ア
ンテナコネクタの前記内円筒部の中心導体は前記マイク
ロストリップアンテナ側の端部に球形のかん合部とスプ
リングを装着し前記マイクロストリップアンテナのスル
ーホールに接触する構造を有し、前記送受信モジュール
のモジュールコネクタは同軸線路を形成し前記モジュー
ルコネクタが前記内円筒部にかん合する構造を備えるこ
とを特徴とするフェーズドアレイアンテナ。1. A phased antenna for controlling a plurality of antenna elements including a microstrip antenna and a plurality of transmission / reception modules including a phase shifter connected to the plurality of antenna elements by a connector to perform beam scanning. In the array antenna, a coaxial line structure for connecting the antenna element and the microwave signal of the transmission / reception module is supported by superposing and supporting a printed board that forms a feed point of the microstrip antenna in a through-hole structure on the printed board. Plate, an antenna connector inserted into the support plate, and a module connector of the transmitting / receiving module connected to the antenna connector, wherein the antenna connector includes an inner cylindrical portion and an outer cylindrical portion, and the inner cylindrical portion is coaxial. A line is formed and a leaf spring is attached to the outer cylindrical portion. A supporting structure, wherein a center conductor of the inner cylindrical portion of the antenna connector is provided with a spherical mating portion and a spring at an end on the side of the microstrip antenna and is in contact with a through hole of the microstrip antenna. Wherein the module connector of the transmission / reception module forms a coaxial line, and has a structure in which the module connector is fitted to the inner cylindrical portion.
にバネにより支持される構造であることを特徴とする請
求項１記載のフェーズドアレイアンテナ。2. The phased array antenna according to claim 1, wherein the module connector has a structure supported by the outer cylindrical portion by a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6289824A JP2625391B2 (en) | 1994-11-24 | 1994-11-24 | Phased array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6289824A JP2625391B2 (en) | 1994-11-24 | 1994-11-24 | Phased array antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08148931A true JPH08148931A (en) | 1996-06-07 |
| JP2625391B2 JP2625391B2 (en) | 1997-07-02 |
Family
ID=17748251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6289824A Expired - Lifetime JP2625391B2 (en) | 1994-11-24 | 1994-11-24 | Phased array antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2625391B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0855760A2 (en) * | 1997-01-22 | 1998-07-29 | Radio Frequency Systems, Inc | Microstrip collinear antenna |
| KR101326296B1 (en) * | 2012-02-27 | 2013-11-11 | 주식회사 텔콘 | Rf connector for substrates |
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|---|---|---|---|---|
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| JPH04139906A (en) * | 1990-09-29 | 1992-05-13 | Nec Corp | Array antenna |
| JPH04216470A (en) * | 1990-12-14 | 1992-08-06 | Nec Eng Ltd | Probe |
| JPH04337908A (en) * | 1991-05-15 | 1992-11-25 | Sony Corp | Plane antenna |
| JPH05240877A (en) * | 1992-02-28 | 1993-09-21 | Nec Corp | Prober for measuring semiconductor integrated circuit |
-
1994
- 1994-11-24 JP JP6289824A patent/JP2625391B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0471248A (en) * | 1990-07-11 | 1992-03-05 | Nec Kyushu Ltd | Measuring probe |
| JPH04139906A (en) * | 1990-09-29 | 1992-05-13 | Nec Corp | Array antenna |
| JPH04216470A (en) * | 1990-12-14 | 1992-08-06 | Nec Eng Ltd | Probe |
| JPH04337908A (en) * | 1991-05-15 | 1992-11-25 | Sony Corp | Plane antenna |
| JPH05240877A (en) * | 1992-02-28 | 1993-09-21 | Nec Corp | Prober for measuring semiconductor integrated circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0855760A2 (en) * | 1997-01-22 | 1998-07-29 | Radio Frequency Systems, Inc | Microstrip collinear antenna |
| EP0855760A3 (en) * | 1997-01-22 | 1998-08-05 | Radio Frequency Systems, Inc | Microstrip collinear antenna |
| KR101326296B1 (en) * | 2012-02-27 | 2013-11-11 | 주식회사 텔콘 | Rf connector for substrates |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2625391B2 (en) | 1997-07-02 |
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