JPS6089103A - Parabolic antenna - Google Patents

Parabolic antenna

Info

Publication number
JPS6089103A
JPS6089103A JP19736083A JP19736083A JPS6089103A JP S6089103 A JPS6089103 A JP S6089103A JP 19736083 A JP19736083 A JP 19736083A JP 19736083 A JP19736083 A JP 19736083A JP S6089103 A JPS6089103 A JP S6089103A
Authority
JP
Japan
Prior art keywords
frame
radio wave
reflector
attaching
reflecting plate
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
Application number
JP19736083A
Other languages
Japanese (ja)
Inventor
Keiji Koganei
小金井　恵司
Motoomi Kazama
風間　元臣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Plastics Inc
Original Assignee
Mitsubishi Plastics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Plastics Inc filed Critical Mitsubishi Plastics Inc
Priority to JP19736083A priority Critical patent/JPS6089103A/en
Publication of JPS6089103A publication Critical patent/JPS6089103A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/125—Means for positioning

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)

Abstract

PURPOSE:To adjust properly an elevation angle and a direction of a radio reflecting plate by connecting an upper end part of a pole and a frame for mounting a reflecting plate with a connecting lever expanded and contracted freely. CONSTITUTION:An inner end part of the frame 4 for mounting a reflecting plate is mounted to both side ends of the radio reflecting plate 1. Moreover, the lower ridge of the radio reflecting plate 1 is mounted to nearly a middle part of a frame 5 for mounting wave collector to one end of which a radio wave collecting body 2 is fitted and the frame 4 for mounting the reflecting plate is fixed to the other end. On the other hand, the other end of the frame 5 for collector mounting or the lower end of the frame 4 for mounting reflection plate are supported to the upper part of a pole 3. Then an upper end part 31 of the pole 3 and the frame 4 for mounting the reflecting plate are connected by the connecting lever 9 freely expanded and contracted. Since the antenna is formed in this way, the elevating angle and direction of the radio wave reflector are adjusted properly.

Description

【発明の詳細な説明】 本発明はパラボラアンテナ（二関し、軽量で撓みが少な
く、電波集束効率が良い上、設置場所に応じて電波反射
板の仰角及び方向を適宜に調整できるようにしたパラボ
ラアンテナを提供することを目的とするものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a parabolic antenna (parabolic antenna) which is lightweight, has little deflection, has good radio wave focusing efficiency, and is capable of adjusting the elevation angle and direction of the radio wave reflector as appropriate depending on the installation location. The purpose is to provide an antenna.

パラボラアンテナは、電波反射板と電波集波体とを有し
、近年、通信、衛星放送用等に広く使用されつつある。A parabolic antenna has a radio wave reflecting plate and a radio wave collector, and has recently been widely used for communications, satellite broadcasting, and the like.

このパラボラアンテナにあっては、多くは設置場所によ
って、その電波反射板の仰角を変更し、また、ボールの
設置位置によって、電波反射板の方向を変更する必要が
ある。In most parabolic antennas, it is necessary to change the elevation angle of the radio wave reflecting plate depending on the installation location, and also to change the direction of the radio wave reflecting plate depending on the installation position of the ball.

そこで、従来のパラボラアンテナはこれら仰角及び方向
を調整するように、電波反射板の裏側中中部付近でボー
ルと接続しており、このため電波反射板が撓みやすくな
って電波集束効率が悪化する原因となっていた。Therefore, conventional parabolic antennas are connected to a ball near the middle of the back side of the radio wave reflector in order to adjust these elevation angles and directions, which causes the radio wave reflector to easily bend and deteriorate the radio wave focusing efficiency. It became.

本発明は、電波反射板の少なくとも両側縁部に反射板取
付用フレームの上端部を取付け、一端部に電波集波体を
設置した集波体数付用フレームは、その略中央部を上記
電波反射板の下縁部に取付け、その他端部は上記反射板
取付用フレームの下端部とを固着し、該集波体数付用フ
レームの他端部または反射板取付用フレームの下端部を
回転固定し得るボールの上方部に枢着すると共に、ボー
ルの上端部と上記反射板取付用フレームとを伸縮可能な
連結杆で連結したことを特徴とするパラボラアンテナに
関するものである。In the present invention, the upper end of the frame for attaching the reflector plate is attached to at least both side edges of the radio wave reflector plate, and the frame for attaching a number of wave collectors, which has a radio wave collector installed at one end, has a substantially central portion that is attached to Attach to the lower edge of the reflector, fix the other end to the lower end of the frame for attaching the reflector, and rotate the other end of the frame for attaching wave collectors or the lower end of the frame for attaching the reflector. The present invention relates to a parabolic antenna characterized in that the parabolic antenna is pivotally attached to the upper part of a fixable ball, and the upper end of the ball is connected to the reflector mounting frame by an extendable connecting rod.

次に本発明の実施例を添附の図面において詳述する。Embodiments of the invention will now be described in detail in the accompanying drawings.

第１図は分解斜視図、第２図は側面図、第３図は平面図
、第４図は背面図、第５図は電波反射板と反射板取付用
フレームとの取付状態の別の実施例を示す一部分拡大斜
視図である。Fig. 1 is an exploded perspective view, Fig. 2 is a side view, Fig. 3 is a plan view, Fig. 4 is a rear view, and Fig. 5 is another implementation of the installation state of the radio wave reflector and the frame for attaching the reflector. It is a partially enlarged perspective view which shows an example.

本発明のパラボラアンテナは、第１図に示す如く、例え
ば、オフセットパラボラ等の電波反射板（１）と電波集
波体（２）とを有し、電波反射板（１）がその仰角及び
方向を適宜に調整できるようにボール（３）に取付けた
ものである。電波反射板（１）は、電波反射性を有する
合成樹脂や金属等からなる。図示していないが、電波反
射板に面発熱体を設けであると、これに積雪した雪を融
かし、積雪による電波集波効率の低下を防ぐので好まし
い。この電波反射板（１）には、反射板取付用フレーム
（４）及び集波体数付用フレーム（５）を取付けである
。反射板取付用フレーム（４）は、その上端部を電波反
射板（１）の少なくとも両側縁部に取付ける。実施例で
は、２本の反射板取付用フレーム（４）を用い、それら
の上端部を電波反射板（１）のやや上方の両側縁にネジ
（６）で取付けたものを例示しであるが、これに限定さ
れない。例えば、第６図に示すごとくフレーム（４）の
上端部を断面Ｆ字状にして、その溝状部（４υ内（＝電
波反射板（１）の縁部を挿入し、溝状部０υ内に固着し
たナツトを該縁部に設けた穴に嵌入してボルトにて締結
すれば、極めて見はえよく固定できる。一方、集波体数
付用フレーム（５）は、その一端部に電波集波体（２）
を設置し、その略中央部を上記電波反射板（１）の下縁
部に取付けである。また、この集波体数付用フレーム（
５）の他端部であるポール側端部と上記反射板取付用フ
レーム（４）の下端部とは固着しである。このように反
射板取付用フレーム（４）及び集波体数付用フレーム（
５）を電波反射板（１）に取付け、集波体数付用フレー
ム（５）の他端部であるポール側基端部と反射板取付用
フレーム（４）の下端部とを固着しであると、電波反射
板（１）と電波集波体（２）との相対位置を常に一定に
保持できる他、電波反射板（１）が風圧等によって変形
しない。また、図示していないが、集波体数付用フレー
ムを合成樹脂や金属等で中空状に形成しであると、その
中（二ケーブルを挿通することができ、風によるケーブ
ルの振動が防止され、その取付端子の損傷を防ぐことが
できるので一層好ましい。この集波体数付用フレーム（
５）のポール側基端部または反射板取付用フレーム（４
）の下端部を回転固定し得るボール（３）の上方部ＣＨ
Ｉ）に枢着しである。ボール（３）は２体に分け、その
Ｌ刃部ｔ３１）の螺子部を嵌挿し、螺子部にロックナン
ド（７）を螺着してあり、このロックナツト（７）を緩
めると上方部Ｇυをスライドして伸縮及び回動し得、ロ
ックナツト（７）を締付けると上方部ｃ３υが固定する
ようになっているものを例示しである。また、このボー
ル（３）の上方部６υに、上記集波体数付用フレーム（
５）のポール側基端部をネジ（８）で枢着したものを例
示しである。しかし、これに限定されない。As shown in FIG. 1, the parabolic antenna of the present invention has a radio wave reflector (1) such as an offset parabola and a radio wave collector (2), and the radio wave reflector (1) It is attached to the ball (3) so that it can be adjusted appropriately. The radio wave reflecting plate (1) is made of synthetic resin, metal, or the like having radio wave reflective properties. Although not shown, it is preferable to provide a surface heating element on the radio wave reflecting plate, since this melts snow that has accumulated on the radio wave reflecting plate and prevents a decrease in radio wave collecting efficiency due to snow accumulation. A frame (4) for attaching the reflector and a frame (5) for attaching the number of wave collectors are attached to this radio wave reflector (1). The reflector mounting frame (4) has its upper end attached to at least both side edges of the radio wave reflector (1). In the example, two reflector mounting frames (4) are used, and their upper ends are attached to both edges slightly above the radio wave reflector (1) with screws (6). , but not limited to. For example, as shown in Fig. 6, the upper end of the frame (4) is made into an F-shaped cross section, and the edge of the radio wave reflector (1) is inserted into the groove (4υ), and the edge of the radio wave reflector (1) is inserted into the groove (0υ). By inserting a nut fixed to the edge into the hole provided on the edge and tightening with a bolt, it can be fixed very visually.On the other hand, the frame (5) for attaching a number of wave collectors has a radio wave at one end. Wave collector (2)
is installed, and its approximately central portion is attached to the lower edge of the radio wave reflecting plate (1). In addition, this frame with a number of wave collectors (
5) The pole side end, which is the other end, and the lower end of the reflector mounting frame (4) are fixed. In this way, the frame for attaching the reflector plate (4) and the frame for attaching the number of wave collectors (
5) to the radio wave reflector (1), and fix the base end on the pole side, which is the other end of the frame for attaching a number of wave collectors (5), to the lower end of the frame for attaching the reflector (4). If there is, the relative position between the radio wave reflector (1) and the radio wave collector (2) can be kept constant at all times, and the radio wave reflector (1) will not be deformed by wind pressure or the like. Although not shown in the figure, if the frame for attaching the wave collectors is made of synthetic resin or metal in a hollow shape, two cables can be inserted through it, and vibration of the cables due to wind can be prevented. This is more preferable because it can prevent damage to the mounting terminals.This frame for attaching a number of wave collectors (
5) on the pole side base end or the reflector mounting frame (4)
) upper part CH of the ball (3) which can rotationally fix the lower end part
It is pivotally connected to I). The ball (3) is divided into two parts, and the threaded part of the L blade part t31) is inserted into the threaded part, and a lock nut (7) is screwed onto the threaded part, and when this lock nut (7) is loosened, the upper part Gυ is inserted. An example is shown in which the upper part c3υ can be slid, extended, contracted and rotated, and the upper part c3υ is fixed when the lock nut (7) is tightened. Also, on the upper part 6υ of this ball (3), the frame for attaching the number of wave collectors (
5) in which the base end on the pole side is pivotally connected with a screw (8) is shown as an example. However, it is not limited to this.

図示していないが、反射板取付用フレームの下端部を回
転固定し得るボールの上方部に枢着してもよい。上記ボ
ール（３）のト嬬部叫１．Ｌ−ト四μＮ躬灯Ｅ’ａ耕用
フレーム（４）とを伸縮可能な連結杆（９）で連結しで
ある。連結杆（９）としては、ターンバックル（１０を
備えたものを例示しであるが、これに限らない。要は、
集波体数付用フレームのポール側基端部または反射板取
付用フレームの下端部を回転固定し得るボールの上方部
に枢着すると共に、ボールの上端部と反射板取付用フレ
ームとを伸縮可能な連結杆で連結することが肝要である
。このように構成しであると、電波反射板（１）の仰角
及び方向を適宜に変更することができる。Although not shown, the lower end of the frame for attaching the reflector may be pivotally connected to the upper part of the ball that can be rotationally fixed. The above ball (3) Totsumube shout 1. The L-to-4 μN lamp E'a is connected to the cultivation frame (4) by an extendable connecting rod (9). The connecting rod (9) is exemplified as having a turnbuckle (10), but is not limited to this.In short,
The base end on the pole side of the frame for attaching a number of wave collectors or the lower end of the frame for attaching the reflector plate is pivotally attached to the upper part of the ball that can be rotated and fixed, and the upper end of the ball and the frame for attaching the reflector plate are extendable and retractable. It is important to connect with possible connecting rods. With this configuration, the elevation angle and direction of the radio wave reflecting plate (1) can be changed as appropriate.

なお、第５図にｉ６いて符号０１）は電波反射板（１）
の周縁部に設けた断面平板状の補強枠である。この補強
枠ａυとしては、図示していないが、他に断面Ｕ字状、
円形、Ｌ字状等のものがあり、これを電波反射板（１）
の周縁部全周、または一部分に設けると、電波反射板（
１）の厚みを薄くしたり、熱可♂Ｗ性樹脂等を使用する
ことができ、軽量化及びコストダウン等がはかれる上、
取付強度も増大するので好ましい。In addition, in Figure 5, i6 and code 01) are radio wave reflecting plates (1).
This is a reinforcing frame with a flat plate-like cross section provided around the periphery of the frame. Although not shown, this reinforcing frame aυ has a U-shaped cross section,
There are circular, L-shaped, etc., which are used as radio wave reflectors (1).
If installed around the entire periphery or a part of the periphery of the
It is possible to reduce the thickness of 1) or use thermoplastic ♂W resin, etc., which reduces weight and cost, etc.
This is preferable because the mounting strength is also increased.

以上のような本発明のパラボラアンテナにおいて、その
設置場所に応じて電波反射板（１）の仰角を調整する際
は、第２図（イ）（ロ）（ハ）に示す如く行う。即ち、
第２図（イ）に示す如く、電波反射板＜１）を下向きに
設置するときは、ボール（３）の上端部と反射板取付用
フレーム（４）とを連結している伸縮可能な連結杆（９
）を伸延する。そうすると、ボール（３）の上方部に枢
着されている集波体数付用フレーム（５）のポール側基
端部を支点として、該集波体数付用フレーム（５）及び
反射板取付用フレーム（４）等が下向きに回動するので
、電波反射板（１）が下向になる。また、同図（ロ）に
示す如く、電波反射板（１）を略垂直状態に設置すると
きは、連結杆（９）を上記の状態からやや縮め、更に、
連結杆（９）を縮めると、同図（ハ）に示すように、電
波反射板（１）を」二向き状態に仰角を変更することが
できる。なお、上述のように電波反射板（１）の仰角を
変更しても、該電波反射板（１）と電波集波体（２）と
の相対位置は常に一定である。このように本発明は、集
波体数付用フレームのポール側基端部と反射板取付用フ
レームの下端部とを固着し、集波体数付用フレームのポ
ール側基端または反射板取付用フレームの下端部をボー
ルの上方部に枢着すると共に、ボールの上端部と反射板
取付用フレームとを伸縮可能な連結杆で連結しであるか
ら、該連結杆を伸縮するだけで、電波反射板の仰角をそ
の設置場所に応じて適宜に変更し固定することができる
。また、集波体数付用フレームのポール側基端部または
反射板取付用フレームの下端部を枢着するボールの上方
部は、回転固定し得るようになっているから、第３図（
イ）（ロ）（ハ）に示す如く、電波反射板をいずれの方
向にも変更して設置することができる。更に、電波反射
板には少なくともその両側縁部に反射板取付用フレーム
の上端部を取付け、集波体数付用フレームはその略中央
部を′電波反射板の下縁部に取付けると共に、そのポー
ル側基端部と上記反射板取付用フレームの下端部とを固
着しであるから、電波反射板及び電波集波体が強固に設
置される他、特に、電波反射板は、反射板取付用フレー
ムの上端部と集波体数付用フレームの略中央部の少なく
とも３箇所で支持される状態になるので、それが風圧等
により変形するのを防ぐことができ、電波反射板と電波
集波体との相対位置も常に一定に保てるので、電波集波
効率が良好である等、パラボラアンテナとして極めて有
用なものである。In the parabolic antenna of the present invention as described above, the elevation angle of the radio wave reflecting plate (1) is adjusted depending on the installation location as shown in FIGS. 2(a), (b), and (c). That is,
As shown in Fig. 2 (a), when installing the radio wave reflector <1) downward, the expandable connection connecting the upper end of the ball (3) and the frame for attaching the reflector (4) Rod (9
) to distract. Then, using the base end on the pole side of the frame (5) for attaching a number of wave collectors, which is pivotally attached to the upper part of the ball (3), as a fulcrum, the frame (5) for attaching a number of wave collectors and the reflection plate are attached. As the frame (4) and the like rotate downward, the radio wave reflecting plate (1) faces downward. In addition, as shown in the same figure (b), when installing the radio wave reflector (1) in a substantially vertical state, the connecting rod (9) is slightly shortened from the above state, and further,
By retracting the connecting rod (9), the elevation angle can be changed so that the radio wave reflector (1) faces in two directions, as shown in FIG. Note that even if the elevation angle of the radio wave reflector (1) is changed as described above, the relative position between the radio wave reflector (1) and the radio wave collector (2) is always constant. In this way, the present invention fixes the base end on the pole side of the frame for attaching a number of wave collectors to the lower end of the frame for attaching the reflector plate, and fixes the base end on the pole side of the frame for attaching a number of wave collectors or the base end of the frame for attaching the reflector plate. The lower end of the frame is pivotally attached to the upper part of the ball, and the upper end of the ball and the frame for attaching the reflector are connected by an extendable connecting rod. The elevation angle of the reflector can be changed and fixed as appropriate depending on its installation location. In addition, since the upper part of the ball that pivotally connects the base end of the pole-side base end of the frame for attaching a number of wave collectors or the lower end of the frame for attaching a reflector plate can be fixed in rotation, as shown in FIG.
As shown in (a), (b), and (c), the radio wave reflecting plate can be installed in any direction. Furthermore, the upper end of the frame for attaching the reflector plate is attached to at least both side edges of the radio wave reflector plate, and the approximately central part of the frame for attaching the wave collector is attached to the lower edge of the radio wave reflector plate. Since the base end of the pole side and the lower end of the frame for attaching the reflector are firmly fixed, the radio wave reflector and the radio wave collector can be firmly installed. Since it is supported in at least three places: the upper end of the frame and the approximate center of the frame for number of wave collectors, it can be prevented from deforming due to wind pressure, etc., and the radio wave reflector and radio wave collector Since the relative position with respect to the body can always be kept constant, the radio wave collection efficiency is good, making it extremely useful as a parabolic antenna.

【図面の簡単な説明】[Brief explanation of drawings]

図面は本発明の一実施例を示し、第１図は分解斜視図、
第２図は側面図、第３図は平面図、第４図は背面図、第
５図は゛電波反射板と反射板取付用フレームとの取付状
態の別の実施例を示す一部分拡大斜視図、第６図は同じ
く取付状態の別の実施例の部分拡大断面図である。 図中（１）は電波反射板、（２）は電波集波体、（３）
はボール、（４）は反射板取付用フレーム、（５）は集
波体数付用フレーム、（９）は連結杆、０１）はボール
の上方部を示す。The drawings show one embodiment of the present invention, and FIG. 1 is an exploded perspective view;
FIG. 2 is a side view, FIG. 3 is a plan view, FIG. 4 is a rear view, and FIG. 5 is a partially enlarged perspective view showing another example of how the radio wave reflector and the frame for attaching the reflector are attached. FIG. 6 is a partially enlarged sectional view of another embodiment in the same installed state. In the figure, (1) is a radio wave reflector, (2) is a radio wave collector, and (3)
(4) is the frame for attaching the reflector, (5) is the frame for attaching the number of wave collectors, (9) is the connecting rod, and 01) is the upper part of the ball.

Claims (1)

【特許請求の範囲】[Claims] 電波反射板の少なくとも画側縁部に反射板取付用フレー
ムの−ｔ＝、ｈＡ部を３仮付け、一端部に電波集波体を
設置した集波体数付用フレームは、その略中央部を」＝
、記電波反射板の下縁部に取付け、その他端部はＬ記反
射板取付用フレームの下端部とを固着し、該小波体取付
用フレームの他端部または反射板取付用フレームの下端
部を回転固定し得るボールの上方部に枢着すると共に、
ボールの上端部と上記反射板取付用フレームとを伸縮可
能な連結杆で連結したことを特徴とするパラボラアンテ
ナ。The -t = and hA portions of the frame for attaching the reflector are temporarily attached to at least the image side edge of the radio wave reflector, and the frame for attaching the number of wave collectors with the radio wave collector installed at one end is approximately at the center of the frame. ' =
, is attached to the lower edge of the radio wave reflector plate, and the other end is fixed to the lower end of the frame for attaching the reflector plate L, and the other end of the frame for attaching the small wave body or the lower end of the frame for attaching the reflector plate is fixed. is pivotally attached to the upper part of the ball that can rotationally fix the ball, and
A parabolic antenna characterized in that the upper end of the ball and the frame for attaching the reflector are connected by an extendable connecting rod.
JP19736083A 1983-10-21 1983-10-21 Parabolic antenna Pending JPS6089103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19736083A JPS6089103A (en) 1983-10-21 1983-10-21 Parabolic antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19736083A JPS6089103A (en) 1983-10-21 1983-10-21 Parabolic antenna

Publications (1)

Publication Number Publication Date
JPS6089103A true JPS6089103A (en) 1985-05-20

Family

ID=16373189

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19736083A Pending JPS6089103A (en) 1983-10-21 1983-10-21 Parabolic antenna

Country Status (1)

Country Link
JP (1) JPS6089103A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897280A (en) * 1986-09-03 1990-01-30 The Nisshin Oil Mills, Ltd. Processed soybean curd food having a texture similar to meat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897280A (en) * 1986-09-03 1990-01-30 The Nisshin Oil Mills, Ltd. Processed soybean curd food having a texture similar to meat

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