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CN-121983780-A - Lightweight magnon combined antenna

CN121983780ACN 121983780 ACN121983780 ACN 121983780ACN-121983780-A

Abstract

The invention discloses a lightweight magnon combined antenna, which comprises an antenna housing, wherein one side of the antenna housing is provided with a back plate, one side of the back plate is respectively provided with an upper feed component and a lower feed component, the upper feed component comprises an upper arc-shaped polar plate which is gradually transited in the width direction and the height direction, the lower feed component comprises a lower arc-shaped polar plate which is gradually transited in the height direction, the upper arc-shaped polar plate and the lower arc-shaped polar plate form a K-shaped structure, one side of the upper arc-shaped polar plate, which is far away from an opening of the K-shaped structure, is provided with an adjusting polar plate which is gradually transited in the width direction and the height direction, one end of the K-shaped structure is provided with a feed balun connected with an annular coaxial feeder, one end of the upper arc-shaped polar plate and one end of the adjusting polar plate are connected with the feed balun, and an annular insulator is arranged between the outside of the feed balun and the back plate.

Inventors

  • WU HAO
  • MENG FANBAO

Assignees

  • 四川新明微波技术有限责任公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (8)

  1. 1. A lightweight magnon combined antenna comprises a sealed antenna housing (1), and is characterized in that a backboard (2) is arranged on one side of the antenna housing (1), an upper feed assembly and a lower feed assembly are respectively arranged on one side of the backboard (2), the upper feed assembly comprises an upper arc-shaped polar plate (5) which is in gradual transition in the width direction and the height direction, the lower feed assembly comprises a lower arc-shaped polar plate (6) which is in gradual transition in the height direction only, the upper arc-shaped polar plate (5) and the lower arc-shaped polar plate (6) form a K-shaped structure, an adjusting polar plate (7) which is in gradual transition in the width direction and the height direction is arranged on one side, far away from an opening of the K-shaped structure, of the upper arc-shaped polar plate (5), a feed balun (8) which is connected with a ring-shaped coaxial feeder (10) is arranged on one end of the upper arc-shaped polar plate (5) and one end of the adjusting polar plate (7) are both connected with the feed balun (8), and a ring-shaped insulator (9) is arranged between the outside of the feed balun (8) and the backboard (2).
  2. 2. The lightweight dipole combination antenna as recited in claim 1, wherein said upper feed assembly further comprises a horizontal upper plate (3) having a plurality of array openings, one end of said horizontal upper plate (3) being in linear contact with one side of the back plate (2), the other end of said horizontal upper plate (3) being in linear contact with one end of the upper arcuate plate (5), and a position between the two ends of said horizontal upper plate (3) being in linear contact with one end of the adjustment plate (7).
  3. 3. A lightweight dipole combination antenna as claimed in claim 2, wherein said lower feed assembly further comprises a horizontal lower plate (4) with a plurality of array apertures, one end of said horizontal lower plate (4) being in linear contact with one side of the back plate (2), the other end of said horizontal lower plate (4) being in linear contact with one end of the lower arcuate plate (6).
  4. 4. A lightweight dipole combination antenna as recited in claim 3, wherein said back panel has an inflatable interface disposed on a side wall opposite said K-shaped structure opening.
  5. 5. A lightweight dipole combination antenna as claimed in any one of claims 1-4, wherein a circular coaxial feed line (10) is provided on the side wall of the back plate (2) opposite the K-shaped structure opening, the feed balun (8) is coaxially arranged inside the circular coaxial feed line (10), and a circular insulator (9) is provided between the circular coaxial feed line (10) and the feed balun (8).
  6. 6. The lightweight dipole combined antenna as claimed in claim 5, wherein a through hole for passing through the feed balun (8) is provided in the center of the annular insulator (9), an inner groove (901) is provided on the inner wall of the annular insulator (9) at one end inside the radome (1), and an outer groove (902) is provided on the inner wall of the annular insulator (9) at one end outside the radome (1).
  7. 7. A lightweight dipole combination antenna as claimed in any one of claims 1-4, wherein a sealing rubber ring is provided at the contact location of the back plate (2) and the radome (1).
  8. 8. A lightweight dipole combination antenna as claimed in claim 7, wherein said upper arcuate plate (5) coincides with the projection of the adjusting plate (7) onto the back plate (2).

Description

Lightweight magnon combined antenna Technical Field The invention belongs to the technical field of high-power microwaves, and particularly relates to a lightweight magnon combined antenna. Background High power ultra wideband antennas are an important component of high power ultra wideband microwave systems. Along with the development of the high-power ultra-wideband microwave system, the research of the high-power ultra-wideband antenna is also more and more intensive, and becomes a research focus gradually. In order to develop an antenna suitable for short pulse width high power ultra wideband microwaves, simultaneously improve the bandwidth and reduce the volume of the antenna, a TEM horn (electric dipole) and a magnetic dipole can be combined to prepare the combined antenna of an electric dipole and a magnetic dipole. The reason why the low frequency radiation capability of the combined electric-magnetic dipole antenna is strong has been elucidated in the literature, that is, the antenna counteracts the near field induction power by superposing the TEM horn and the current loop, and improves the radiation power at the same time. Although the high-power ultra-wideband electromagnetic dipole combined antenna has been greatly developed from birth to the past, the problems of insufficient power capacity, huge volume, complex structure and the like still exist, and the application requirements of high-power microwaves cannot be met. In order to improve the practicability and widen the application range, developing a high-power ultra-wideband electromagnetic dipole combined antenna which simultaneously meets the requirements of high power capacity and high effective voltage gain (low reflection coefficient) has become a problem to be solved. Therefore, the invention discloses a lightweight dipole combined antenna. Disclosure of Invention The invention discloses a lightweight magnon combined antenna which has high power capacity, high efficiency, simple and compact structure and easy processing, and can solve the problems of insufficient power capacity, huge volume, complex structure and the like of the traditional antenna. The invention is realized by the following technical scheme: A lightweight magnon combined antenna comprises a sealed antenna housing, wherein a backboard is arranged on one side of the antenna housing, an upper feed assembly and a lower feed assembly are respectively arranged on one side of the backboard, the upper feed assembly comprises an upper arc-shaped polar plate which is in gradual transition in the width direction and the height direction, the lower feed assembly comprises a lower arc-shaped polar plate which is in gradual transition in the height direction only, the upper arc-shaped polar plate and the lower arc-shaped polar plate form a K-shaped structure, an adjusting polar plate which is in gradual transition in the width direction and the height direction is arranged on one side of the upper arc-shaped polar plate, which is far away from an opening of the K-shaped structure, a feed balun connected with an annular coaxial feeder is arranged on one end of the K-shaped structure, one end of the upper arc-shaped polar plate and one end of the adjusting polar plate are connected with the feed balun, and an annular insulator is arranged between the outside of the feed balun and the backboard. In order to better realize the invention, the upper feed assembly further comprises a horizontal upper polar plate with a plurality of array openings, one end of the horizontal upper polar plate is in linear contact with one side of the backboard, the other end of the horizontal upper polar plate is in linear contact with one end of the upper arc polar plate, and the position between the two ends of the horizontal upper polar plate is in linear contact with one end of the adjusting polar plate. In order to better implement the invention, the lower feed assembly further comprises a horizontal lower polar plate with a plurality of array openings, one end of the horizontal lower polar plate is in linear contact with one side of the backboard, and the other end of the horizontal lower polar plate is in linear contact with one end of the lower arc polar plate. In order to better realize the invention, further, the side wall of the backboard opposite to the opening of the K-shaped structure is provided with an inflation interface. In order to better realize the invention, further, the side wall of the backboard opposite to the opening of the K-shaped structure is provided with an annular coaxial feeder, the feeding balun is coaxially arranged inside the annular coaxial feeder, and an annular insulator is arranged between the annular coaxial feeder and the feeding balun. In order to better realize the invention, a through hole for the feed balun to pass through is further arranged at the center of the annular insulator, an inner groove is arranged on the inner wall of one end of the annular insulato