JPH0427204Y2 - - Google Patents
Info
- Publication number
- JPH0427204Y2 JPH0427204Y2 JP7428085U JP7428085U JPH0427204Y2 JP H0427204 Y2 JPH0427204 Y2 JP H0427204Y2 JP 7428085 U JP7428085 U JP 7428085U JP 7428085 U JP7428085 U JP 7428085U JP H0427204 Y2 JPH0427204 Y2 JP H0427204Y2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- rotation
- shaft
- fixing base
- rotation shaft
- 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.)
- Expired
Links
- 230000010287 polarization Effects 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
Description
【考案の詳細な説明】
〔考案の技術分野〕
本考案は、アンテナ偏波面切換駆動装置に関す
る。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to an antenna polarization plane switching drive device.
〔従来技術〕
一般に、アンテナの偏波面はアンテナの種類や
形状により決められるが、移動無線通信や電磁雑
音受信のために用いられる、例えば多素子形の受
信アンテナをセツトする場合、その偏波面を到来
する受信電波の偏波面に合わせることが必要にな
る。しかし、多くの場合、アンテナの設置場所の
周囲環境に応じて到来電波の偏波面が異なるため
に、アンテナの取付角度の異なる何本かのアンテ
ナを用意するか、または一本のアンテナの角度を
回転させて偏波面を到来電波に一致させる方法が
採られていた。[Prior Art] Generally, the plane of polarization of an antenna is determined by the type and shape of the antenna, but when setting up, for example, a multi-element receiving antenna used for mobile radio communication or electromagnetic noise reception, the plane of polarization is determined by the type and shape of the antenna. It is necessary to match the polarization plane of the incoming received radio waves. However, in many cases, the plane of polarization of incoming radio waves differs depending on the surrounding environment of the antenna installation location, so it is necessary to prepare several antennas with different mounting angles, or to adjust the angle of a single antenna. The method used was to rotate the plane of polarization to match the incoming radio wave.
特に、電磁雑音の測定においては、被測定物よ
り放射される電波を受信アンテナの高さを変えな
がら測定し、最大放射レベルを読み取る際、放射
側の偏波面とアンテナの偏波面とが一致しなけれ
ば測定誤差を生ずることになる。 In particular, when measuring electromagnetic noise, the radio waves radiated from the object being measured are measured while changing the height of the receiving antenna, and when reading the maximum radiation level, the polarization plane on the radiation side and the polarization plane of the antenna match. Otherwise, measurement errors will occur.
従来、この種の測定に用いられるアンテナの偏
波面切換駆動装置として、第３図の例を挙げるこ
とができる。この図によれば、台車７にマスト６
が垂直に固定されており、このマスト６に沿つて
設けられたスリツト入り回転軸４が偏波面切換用
モータ１により回転される。第４図の部分詳細図
に見られるように、アンテナ固定台３にアンテナ
回転軸２を介して回転自在に取り付けられた歯車
２ａは、スリツト入り回転軸４のスリツトに沿つ
て上下できるように結合された回転歯車４ａとか
み合わされている。したがつて、偏波面切換用モ
ータ１の駆動によりスリツト入り回転軸４が回転
すると、歯車４ａに結合された歯車２ａを介して
アンテナ回転軸２が回転する。また、アンテナ固
定台３は、ロープによりマスト６の上部に取付け
られたプーリー８を介して吊り下げられており、
ロープの他端をアンテナ固定台上下用モータ５で
巻込むことによりアンテナ固定台３の位置を上下
に調節することができるようになつている。 An example of an antenna polarization plane switching driving device conventionally used for this type of measurement is shown in FIG. According to this figure, the mast 6 is attached to the trolley 7.
is fixed vertically, and a slotted rotating shaft 4 provided along the mast 6 is rotated by the polarization plane switching motor 1. As seen in the partial detail view of FIG. 4, the gear 2a is rotatably attached to the antenna fixing base 3 via the antenna rotation shaft 2, and the gear 2a is coupled so as to be able to move up and down along the slit of the slit rotation shaft 4. The rotating gear 4a is meshed with the rotating gear 4a. Therefore, when the slit rotating shaft 4 is rotated by driving the polarization plane switching motor 1, the antenna rotating shaft 2 is rotated via the gear 2a coupled to the gear 4a. Furthermore, the antenna fixing base 3 is suspended by a rope via a pulley 8 attached to the top of the mast 6.
The position of the antenna fixing base 3 can be adjusted up and down by winding the other end of the rope around the antenna fixing base vertical motor 5.
しかし乍ら、このような従来の装置では、マス
ト６の高さが数ｍ以上になると、スリツト入り回
転軸４に撓みが生じたり、スリツトに異物がつま
つて歯車４ａが上下に動かなくなるばかりでな
く、スリツト入り回転軸が高価になるという欠点
があつた。 However, in such a conventional device, when the height of the mast 6 becomes several meters or more, the slit rotating shaft 4 may be bent or the slit may become clogged with foreign matter, causing the gear 4a to stop moving up and down. However, the slit rotary shaft was expensive.
本考案の目的は、上記従来の欠点を除去するた
め、スリツト入り回転軸の使用を排除し、代つて
アンテナ固定台と台車側にそれぞれ独立した回転
軸を設けることによつて、マストの高さに関係な
く安定に動作することのできる経済的なアンテナ
偏波面切換駆動装置を提供することにある。
The purpose of the present invention is to eliminate the above-mentioned drawbacks of the conventional method by eliminating the use of a slotted rotating shaft and instead providing independent rotating shafts on the antenna fixing base and the trolley side, thereby increasing the height of the mast. An object of the present invention is to provide an economical antenna polarization plane switching drive device that can operate stably regardless of the situation.
本考案によるアンテナ偏波面切換駆動装置は、
台車と、該台車上に垂直に設置されたマストと、
該マストに沿つて上下に動くように設定されたア
ンテナ固定台と、該アンテナ固定台に回転自在に
設けられたアンテナ回転軸と、該アンテナ回転軸
に歯車を介して結合し、該アンテナ回転軸の回転
角を可変する軸駆動手段と、前記アンテナ固定台
の上下位置を可変する手段とを有するアンテナ偏
波面切換駆動装置において、前記軸駆動手段が、
前記アンテナ回転軸に歯車を介して結合し、前記
アンテナ固定台の位置から予め決められた長さで
下方に垂直に延びた偏波面切換用の回転軸と、前
記台車上に設置された駆動源と、該駆動源に結合
し、前記偏波面切換用の回転軸の軸心に一致して
上方に垂直に延びた駆動用の回転受け軸とからな
り、前記アンテナ固定台を下方に降下させること
により、前記偏波面切換用の回転軸の下端を前記
駆動用回転受け軸に結合させて前記アンテナ回転
軸の回転角を設定するようにしたことを特徴とす
る。
The antenna polarization plane switching drive device according to the present invention is
a truck; a mast installed vertically on the truck;
an antenna fixing base set to move up and down along the mast; an antenna rotating shaft rotatably provided on the antenna fixing base; and an antenna rotating shaft coupled to the antenna rotating shaft via a gear. In the antenna polarization plane switching drive device, the antenna polarization plane switching drive device has a shaft drive means for varying the rotation angle of the antenna fixing base, and a means for varying the vertical position of the antenna fixing base, wherein the shaft drive means
a polarization plane switching rotation shaft coupled to the antenna rotation shaft via a gear and extending vertically downward at a predetermined length from the position of the antenna fixing base; and a drive source installed on the trolley. and a rotation receiving shaft for driving coupled to the drive source and extending vertically upward in alignment with the axis of the rotation shaft for polarization plane switching, and lowering the antenna fixing base downward. According to the present invention, the rotation angle of the antenna rotation axis is set by coupling the lower end of the rotation shaft for polarization plane switching to the drive rotation receiving shaft.
次に、本考案によるアンテナ偏波面切換駆動装
置について実施例を挙げ、図面を参照して説明す
る。
Next, an embodiment of the antenna polarization plane switching drive device according to the present invention will be described with reference to the drawings.
第１図は本考案による実施例の構成を示す斜視
図、第２図は、その主要部分の詳細を示す上断面
図である。この例によれば、アンテナ固定台３に
は、偏波面切換用回転軸１０が回転可能なよう
に、かつ適当な長さで下方に垂直に延びるように
取付けられている。そして、この回転軸１０に
は、アンテナ回転軸２の歯車２ａにかみ合う位置
に歯車１０ａが設けられている。一方、台車７上
に設けられた偏波面切換用のモータ１からは、上
記偏波面切換用の回転軸１０の軸心に一致するよ
うに駆動用の回転受け軸９が突きでており、アン
テナ固定台３を下方に下げたときに生ずる回転受
け軸９と回転軸１０との結合によりモータ１でア
ンテナ回転軸２を回転させ、アンテナ回転軸２に
固定したアンテナＡの偏波面を任意の角度に設定
する。 FIG. 1 is a perspective view showing the configuration of an embodiment of the present invention, and FIG. 2 is a top sectional view showing details of its main parts. According to this example, the polarization plane switching rotating shaft 10 is attached to the antenna fixing base 3 so as to be rotatable and to extend vertically downward with an appropriate length. A gear 10a is provided on the rotating shaft 10 at a position that meshes with the gear 2a of the antenna rotating shaft 2. On the other hand, a rotation receiving shaft 9 for driving protrudes from the motor 1 for polarization switching provided on the trolley 7 so as to coincide with the axis of the rotation shaft 10 for polarization switching. The antenna rotation shaft 2 is rotated by the motor 1 by the coupling between the rotation receiving shaft 9 and the rotation shaft 10 that occurs when the fixed base 3 is lowered downward, and the polarization plane of the antenna A fixed on the antenna rotation shaft 2 can be set at any angle. Set to .
アンテナＡの偏波面の調節や好ましい高さ位置
への設定に対するアンテナ固定台３の上下操作
は、上下用モータ５の駆動によりプーリー８にか
けられたロープを介して行なわれる。なお、第２
図に見られるように、アンテナ回転軸２のアンテ
ナ固定台３による軸受け位置には自由回転を抑止
するためのストツパー１１が設けられており、偏
波面切換用回転軸１０が回転受け軸９から離れて
いる状態において、アンテナ回転軸２が自由回転
しないようになつている。 The vertical operation of the antenna fixing base 3 for adjusting the plane of polarization of the antenna A and setting it at a preferable height position is performed via a rope hung on a pulley 8 driven by a vertical motor 5. In addition, the second
As shown in the figure, a stopper 11 is provided at the position where the antenna rotation shaft 2 is supported by the antenna fixing base 3 to prevent free rotation, and the polarization plane switching rotation shaft 10 is separated from the rotation receiving shaft 9. In this state, the antenna rotation shaft 2 is prevented from freely rotating.
また、上記の実施例において、偏波面切換用回
転軸１０および回転受け軸９の長さを適当に選ぶ
ことにより、不用意にアンテナ固定台３を下方に
降した場合、アンテナの素子が台車上に落下して
破損するというようなことを無くすことができ
る。 In addition, in the above embodiment, by appropriately selecting the lengths of the polarization plane switching rotation shaft 10 and the rotation receiving shaft 9, if the antenna fixing base 3 is inadvertently lowered downward, the antenna element may be This eliminates the possibility of the product falling and being damaged.
以上の説明により明らかなように、本考案によ
れば、従来のスリツト入り回転軸に代つてアンテ
ナ固定台側と偏波面切換用モータ側とにそれぞれ
長さの短かい結合可能な回転軸を設け、アンテナ
固定台を下降した際の上記２つの回転軸の結合に
より、アンテナの偏波面の角度調節を可能にする
ことによつて、動作障害の発生を除去し、かつ経
済性を向上すべく、その得られる効果は大きい。
As is clear from the above explanation, according to the present invention, short rotary shafts that can be connected to the antenna fixing table side and the polarization plane switching motor side are provided in place of the conventional slitted rotary shafts. In order to eliminate the occurrence of operational disturbances and improve economic efficiency by making it possible to adjust the angle of the polarization plane of the antenna by coupling the two rotation axes when the antenna fixing base is lowered, The effects obtained are great.
第１図は本考案による実施例の構成を示す斜視
図、第２図は、第１図の実施例における主要部分
の詳細を示す上断面図、第３図は従来のアンテナ
偏波面切換装置の構成例を示す斜視図、第４図
は、第３図の従来例における主要部分の詳細を示
す上断面図である。
図において、１は偏波面切換用モータ、２はア
ンテナ回転軸、２ａは歯車、３はアンテナ固定
台、５はアンテナ固定台上下用モータ、６はマス
ト、６ａはマスト支柱、７は台車、８はプーリ
ー、９は回転受け軸、１０は偏波面切換用回転
軸、１０ａは歯車、１１はストツパーである。
Fig. 1 is a perspective view showing the configuration of an embodiment according to the present invention, Fig. 2 is a top sectional view showing details of the main parts of the embodiment of Fig. 1, and Fig. 3 is a diagram of a conventional antenna polarization switching device. FIG. 4 is a perspective view showing a configuration example, and a top sectional view showing details of the main parts in the conventional example shown in FIG. In the figure, 1 is a polarization plane switching motor, 2 is an antenna rotating shaft, 2a is a gear, 3 is an antenna fixing base, 5 is a motor for raising and lowering the antenna fixing base, 6 is a mast, 6a is a mast support, 7 is a trolley, and 8 1 is a pulley, 9 is a rotation receiving shaft, 10 is a polarization plane switching rotation shaft, 10a is a gear, and 11 is a stopper.
Claims (1)
と、該マストに沿つて上下に動くように設定され
たアンテナ固定台と、該アンテナ固定台に回転自
在に設けられたアンテナ回転軸と、該アンテナ回
転軸に歯車を介して結合し、該アンテナ回転軸の
回転角を可変する軸駆動手段と、前記アンテナ固
定台の上下位置を可変する手段とを有するアンテ
ナ偏波面切換駆動装置において、前記軸駆動手段
が、前記アンテナ回転軸に歯車を介して結合し、
前記アンテナ固定台の位置から予め決められた長
さで下方に垂直に延びた偏波面切換用の回転軸
と、前記台車上に設置された駆動源と、該駆動源
に結合し、前記偏波面切換用の回転軸の軸心に一
致して上方に垂直に延びた駆動用の回転受け軸と
からなり、前記アンテナ固定台を下方に降下させ
ることにより、前記偏波面切換用の回転軸の下端
を前記駆動用回転受け軸に結合させて前記アンテ
ナ回転軸の回転角を設定するようにしたことを特
徴とするアンテナ偏波面切換駆動装置。 a dolly, a mast installed vertically on the dolly, an antenna fixing base set to move up and down along the mast, an antenna rotation axis rotatably provided on the antenna fixing base; An antenna polarization plane switching drive device comprising: a shaft drive means coupled to an antenna rotation shaft via a gear to vary the rotation angle of the antenna rotation shaft; and means for varying the vertical position of the antenna fixing base. A driving means is coupled to the antenna rotation shaft via a gear,
a rotating shaft for polarization switching extending vertically downward at a predetermined length from the position of the antenna fixing base; a driving source installed on the cart; It consists of a rotation receiving shaft for driving that extends vertically upward in alignment with the axis of the rotation shaft for switching, and by lowering the antenna fixing base downward, the lower end of the rotation shaft for polarization switching is formed. An antenna polarization plane switching drive device, characterized in that the rotation angle of the antenna rotation shaft is set by coupling the antenna to the drive rotation receiving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7428085U JPH0427204Y2 (en) | 1985-05-21 | 1985-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7428085U JPH0427204Y2 (en) | 1985-05-21 | 1985-05-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61191610U JPS61191610U (en) | 1986-11-28 |
| JPH0427204Y2 true JPH0427204Y2 (en) | 1992-06-30 |
Family
ID=30614429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7428085U Expired JPH0427204Y2 (en) | 1985-05-21 | 1985-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427204Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4265273B2 (en) * | 2003-04-24 | 2009-05-20 | 株式会社村田製作所 | Antenna positioner |
| JP4504933B2 (en) * | 2006-02-24 | 2010-07-14 | 株式会社日立国際電気 | Antenna device |
-
1985
- 1985-05-21 JP JP7428085U patent/JPH0427204Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61191610U (en) | 1986-11-28 |
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