• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a polarization part for irradiating a parabolic reflector of a beam antenna composed of a shape 7 formed as a hollow conductor suitable for simultaneous transmission of vertical and straight polarized electromagnetic waves. Two rectangular hollow conductors which are separated and guided by both electromagnetic waves are connected to the shaped body 7. One rectangular hollow conductor is joined to its inner wall as it progresses into a shape having a radial end side appearing on its own, while the other rectangular hollow conductor is connected to itself at the end side of the shape 7. . The two rectangular hollow conductors are electrically connected to the shape 7 by opening, and the short circuit element 10 in itself is arranged between them. In order to avoid distinct tuning elements, a first transition portion is formed between the radially connected rectangular hollow conductors and the corresponding openings implemented as the light shielding device 9 which are formed in a substantially rectangular cross section as a hollow space, which is a hollow space. Spaced apart from the wall surface of two axial extensions wider than (11) and arranged to extend in alignment with each other for the web across it. Furthermore, between the shaped body 7 and the rectangular hollow conductor connected towards the end, the hollow space is almost enclosed in a rectangular cross section and a second transition portion 8 is formed in the advancing stage, where a rectangular hollow conductor having its own end is formed. It is connected with the 2nd transition part 8.
    公开号:KR19990030061A
    申请号:KR1019980039406
    申请日:1998-09-23
    公开日:1999-04-26
    发明作者:다니엘 보츠코비아크；칼-하인쯔 라이만；한스-페터 크바데
    申请人:버리어리어 페레이；알카텔；
    IPC主号:
    专利说明:

    Polarization part for irradiation of the antenna
    The present invention relates to a polarization part for irradiating a parabolic reflector of a beam antenna consisting of a shape formed as a hollow conductor suitable for simultaneous transmission of vertical and straight polarized electromagnetic waves. Two rectangular hollow conductors connected to the shaped body separated by two electromagnetic waves are connected. One rectangular hollow conductor is joined to its inner wall as it progresses into a shape having a radial end side appearing on its own, while the other rectangular hollow conductor is connected to itself at the end side of the shape. The two rectangular hollow conductors are electromagnetically connected to the shape by opening, and short-circuit elements within themselves are arranged between them (German Patent Application DE 32 41 890 C2).
    Rim antennas are used for wireless transmission of electromagnetic waves in any location. In this case it is used, for example, for telecommunications, satellite, radio location detection and should be as high as possible. In addition, the tip is attenuated to a considerable extent in the direction of disturbing the antenna, and an excitation device is provided which provides good coordination and prevents extreme loss of action. The excitation device, usually equipped with a spice horn, can be arranged at the heating point in the case of a parabolic antenna. However, the antenna is a so-called backfire antenna equipped with a lower reflector. Antennas are also known in which two electromagnetic waves separated from one another are used. In the case of an antenna of this kind, two electromagnetic waves can be used in the polarization portion leading to the supply line to be separated and guided.
    In the case of the polarization portion, which is an excitation device known from US Pat. No. 3,864, 688, two supply lines formed as rectangular hollow conductors are connected to the same planar tubular polarization portion. Because of this, they are easily guided next to each other on a plane. Of course, the disadvantage of this type of connection is that when one electromagnetic wave has to be swung 90 ° with weakened reflections without disturbing the other, it must be handled with high-cost precision fabrication for the separation of the two electromagnetic waves from the polarization section. Is that. In this way, a displaced pin or self-rotating thin sheet metal tape is arranged between the feeds of the two hollow conductors already known as described above in the axial direction and in the circumferential direction.
    In the case of the polarization part used as the excitation device according to the German patent application DE 32 41 890 C2 mentioned at the outset, both electromagnetic waves are separated at low cost. The second rectangular hollow conductor is thereby connected with a flat face on the end side of the polarization portion. This end is connected by a second rectangular hollow conductor. Both rectangular hollow conductors are connected to the polarization part by the polarization direction displaced by 90 ° to face each other. The two electromagnetic waves are then provided directly facing each other at right angles. These electromagnetic waves are completely connected in this way without any additional components. Adjustable tuning elements are used for the connection and release of electromagnetic waves with reduced reflection.
    The present invention is to more easily design the polarization portion mentioned at the beginning.
    1 is a schematic diagram showing an antenna having a polarization portion according to the present invention;
    2 is an enlarged view of a polarization part connected to a second transition part;
    3 and 4 are partial views of the polarization part according to FIG. 2;
    5 to 7 show another detailed enlarged view of the polarization portion.
    <Description of the code | symbol about the principal part of drawing>
    7: shape
    8: second transition department
    9: shading device
    10: paragraph element
    11: hollow space
    The object of the invention is solved by:
    Between the rectangular hollow conductor connected in the radial direction and the corresponding opening implemented as the light shielding device 9 is formed a first transition portion formed in a substantially rectangular cross section as a hollow space, which extends two axially wider than the hollow space. A rectangular hollow conductor spaced apart from the wall of the wall and aligned with each other with respect to the web across it, between the shape and the end connected to the rectangular hollow conductor, which encloses the hollow space in a substantially rectangular cross section and forms a second transition in the advancing stage. In this case, the rectangular hollow conductor having its own end is solved by being connected to the second transition portion.
    Such a polarization portion can be manufactured more easily. Before the formation of both rectangular hollow conductors, the two transitions in the shape need to be connected to the deformation or to itself. Next, both rectangular hollow conductors are connected directly to the shaped body to the second transition without further elements. Both transitions ensure the connection and release of reflected weakened electromagnetic waves for both rectangular hollow conductors. No further tuning is necessary. In this way, distinct tuning elements can be avoided.
    Embodiments of the invention are shown in the drawings.
    In the illustrated embodiment, a reflector of a parabolic antenna, which is referred to as a backfire antenna, is indicated by reference numeral 1. The polarizer 2 is arranged in the reflector 1 more accurately based on the configuration in FIGS. Two rectangular hollow conductors 3 and 4, hereinafter referred to as the first hollow conductor 3 and the second hollow conductor 4, are connected to the polarization part 2 in connection with the transceiver. The excitation device 5 formed by the bottom reflector principle is likewise connected to the polarization part 2 via the hollow conductor 6. In addition, the polarization part 2 is used also for direct irradiation of the reflector 1, outside the figure shown.
    In FIG. 2, the polarization part 2 is enlarged. This polarization part consists of a shaped body 7 which encloses a hollow conductor with a rectangular cross section in the embodiment shown. This shape 7 can have any cross section that is round or geometric. The enclosed hollow conductor has an arcuate or rectangular cross section. A hollow conductor 6 is connected to the end A of the shape 7, while the other end B has a second transition towards the end, the exact structure of which is shown based on FIG. 7. have. The first hollow conductor 3 is connected to the shape 7 so that the shape extends toward the end in its own radial direction and is fixed to the inner wall. The second hollow conductor 4 is connected on the free end of the second transition portion 8 by its own end side. It is on its own connection in the shape 7 by rotating 90 ° with respect to the first hollow conductor 3.
    In the connecting portion of the first hollow conductor 3 on the inner wall of the shaped body 7, an opening formed as the light shielding device 9 is formed. In the case of the protective arrangement of the hollow conductors 3, 4 in the shape 7, both of them are rotated 90 ° in the polarization device by means of self-guided electromagnetic waves to provide to the hollow body of the shape 7. do. At this time, only the light shielding device 9 is shown in FIG. 3, which is shown in a very simple manner, while FIG. 4 again shows the front face of the second transition part 8. The two electromagnetic waves guided from the hollow conductors 3 and 4 are completely connected in this manner at the time of supply, and no element is necessary for itself for disconnection in the hollow conductor of the shape 7. An element is provided which is guaranteed on or in the shape 7 without causing any disturbance of electromagnetic waves and without causing any disturbances.
    On the other hand, the short circuit element comprised from the fin 10 is provided between the connection parts of the both hollow conductors 3 and 4 located between the light shielding device 9 and the 2nd transition part 8, for example. This shorting element can also be implemented with a thin metal plate. In this way, it is reached that the electromagnetic waves provided from the first hollow conductor 3 can only propagate in the direction of the opening end A of the shape 7.
    Between the connecting portions between the hollow conductors 3 and 4 and the hollow conductor of the shape 7, a transition part is arranged which ensures the connection of the electromagnetic wave with reduced reflection into the hollow conductor. This transition is based on FIGS. 5 to 7 which are enlarged views.
    The first transition part according to FIGS. 5 and 6 is provided for the first hollow conductor 3. It consists of a hollow space 11 with an almost rectangular cross section with a light shielding device 9 on its end. Nearly rectangular means that the edges should not be rectangular. This may round the corners due to manufacturing technical conditions. In the hollow space 11, two webs 12, 13 are formed in alignment with each other across. These webs are spaced apart from the wide inner wall of the hollow space 11. These webs 12, 13 extend in the axial direction of the hollow space 11. They have a distance of X from each other, which preferably points from 50% to 90% of the height H of the hollow space 11 determined through the short inner wall. Their axial length is measured as a function of the wavelength length Of the electromagnetic wave guided to the first hollow conductor 3. At this time, the webs 12 and 13 do not extend unconditionally over the entire length of the hollow space 11. The length of the web is preferably located between 0.25λ and 0.5λ.
    The second transition 8 according to FIG. 7 is located between the second hollow conductor 4 and the shape 7, the enclosed hollow conductors here forming openings for the connection of electromagnetic waves. This transition part is formed in the prior art as a step transition part to which a rectangular hollow conductor with circular or rectangular hollow conductors can be connected, for example. Similarly to the hollow space 11, the second transition portion 8 is provided with a substantially rectangular hollow space. At this time, the individual steps have a rectangular hollow space with rounded corners. In the illustrated embodiment, the second transition part has three steps (S1, S2, S3). The second hollow conductor 4 directly connects its end portion to the second transition portion 8. In the form of a preferred embodiment, the central axis of the second hollow conductor 4 is the same as the central axis of the shape 7. However, the second hollow conductor 4 can be converted and formed at the second transition. The central axis itself can then be displaced, for example in the direction of the electromagnetic field, with respect to the central axis of the shape 7.
    The shaped body 7 shown in FIG. 2 can be manufactured in part and in very precise dimensions, for example as an electroplating technique, thereby further improving the provision of electromagnetic waves with reduced reflection.
    The polarization part 2 preferentially prevents the case where two electromagnetic waves are simultaneously transmitted, that is, radiated by the reflector 1. However, this polarization section is well suited for the simultaneous reception of two electromagnetic waves rotated 90 ° in its polarization direction. It is also possible to use this polarizer for simultaneous transmission and reception for each of these electromagnetic waves.
    The present invention ensures the connection and release of the reflected weakened electromagnetic waves for both rectangular hollow conductors at both transitions, thereby eliminating the need for additional tuning, thereby having the effect of avoiding distinct tuning elements.
    权利要求:
    Claims (4)
    [1" claim-type="Currently amended] The body is connected to two rectangular hollow conductors which are guided separately from each other electromagnetically, and one rectangular hollow conductor is joined to its inner wall while proceeding to a shape with radial end sides appearing on its own, while the other One rectangular hollow conductor is connected to itself at the end side of the shape, two rectangular hollow conductors are electrically connected to the shape by opening, and a shorting element within itself is arranged between them. In the polarization part for irradiation of the parabolic reflector of the beam antenna composed of a shape formed as a hollow conductor suitable for simultaneous transmission of linearly polarized electromagnetic waves,
    Between the rectangular hollow conductor 3 connected in the radial direction and the opening part implemented as the light shielding device 9, the 1st transition part formed in the substantially rectangular cross section as the hollow space 11 is formed, and this hollow space 11 Spaced apart from the two axially extending wall surfaces and arranged to extend in alignment with each other for the webs 12, 13 across it,
    Between the shaped body 7 and the rectangular hollow conductor 4 connected towards the end, a hollow hollow is enclosed in a substantially rectangular cross section and a second transition part 8 is formed in the advancing stage, where a rectangular hollow conductor having its own end ( 4) is connected to the second transition part (8).
    [2" claim-type="Currently amended] The polarization part according to claim 1, wherein the central axis of the rectangular hollow conductor (4) connected to the end side is the same as the center body of the shaped body (7).
    [3" claim-type="Currently amended] 3. The distance X according to claim 1, wherein the distance X between both webs 12, 13 is between 50% and 90% of the height H itself determined by the short inner wall of the hollow space 11. Polarization part.
    [4" claim-type="Currently amended] The polarization part according to any one of claims 1 to 3, wherein the axial length of both webs 12, 13 is between 0.25 times and 0.5 times the wavelength length lambda of the hollow conductor wave. .
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    同族专利:
    公开号 | 公开日
    EP0905813A3|2000-04-12|
    EP0905813A2|1999-03-31|
    DE59814142D1|2008-01-31|
    AU8422098A|1999-04-15|
    US6130649A|2000-10-10|
    AU739731B2|2001-10-18|
    DE19741999A1|1999-03-25|
    EP0905813B1|2007-12-19|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    1997-09-24|Priority to DE1997141999
    1997-09-24|Priority to DE19741999.2
    1998-09-23|Application filed by 버리어리어 페레이, 알카텔
    1999-04-26|Publication of KR19990030061A
    优先权:
    申请号 | 申请日 | 专利标题
    DE1997141999|DE19741999A1|1997-09-24|1997-09-24|Polarization switch for illuminating an antenna|
    DE19741999.2|1997-09-24|
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