CN2762372Y - Horizontally-polarized waveguide omnidirectional antenna - Google Patents
Horizontally-polarized waveguide omnidirectional antenna Download PDFInfo
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- CN2762372Y CN2762372Y CN 200420103061 CN200420103061U CN2762372Y CN 2762372 Y CN2762372 Y CN 2762372Y CN 200420103061 CN200420103061 CN 200420103061 CN 200420103061 U CN200420103061 U CN 200420103061U CN 2762372 Y CN2762372 Y CN 2762372Y
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- omnidirectional antenna
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Abstract
The utility model discloses a horizontally-polarized waveguide omnidirectional antenna, which is a metal waveguide with a rectangular cross section space. The ratio of the broad sides of the rectangular cross section and the narrow sides of the rectangular cross section space is greater than or equal to 4: 1 and is less than or equal to 6: 1, and a metal plate provided with an upper broad side and a metal plate provided with a lower broad side are respectively provided with a series of gaps along the longitudinal direction. Gaps of an upper metal plate and gaps of a lower metal plate are symmetrically distributed, and adjacent gaps are vertically and alternately arranged along the longitudinal direction of the metal plates to form gap arrays. The gaps of the upper and lower metal plates are covered with epoxy resin cover plates. The utility model has the advantages of reasonable structure, stable and reliable performance and low cost, can send and receive horizontally polarized signals omnidirectionally, and simultaneously, the utility model has better waterproof and anticorrosive effects.
Description
Technical field
The utility model relates to a kind of antenna, specifically relates to a kind of horizontally polarized omnidirectional antenna.
Background technology
The needs of and electromagnetic compatibility multiplexing for frequency polarization, the antenna system of horizontal polarization mode work was progressively applied in recent years.The most frequently used horizontal polarization radiation element (symmetrical dipole, rectangular microband paste etc.) E ground roll lobe width does not have E face omnidirectional radiation characteristic all about 60 degree in the commercial communication antenna now but regrettably.Expand beamwidth with conventional method and have significant limitation.The antenna of the existing horizontal polarization mode work of existing market all belongs to little fan antenna (90 °, 60 ° or littler), can not satisfy big sector and cover, and what particularly omnidirectional covered presses for.Though realized omnidirectional's horizontal polarization in TV band with the symmetrical dipole of two quadratures in early days, this structure is in microwave band and impracticable.Method at present relatively more commonly used is to form circular array with the fan antenna of several horizontal polarizations to realize the covering of horizontal polarization omnidirectional, and doing has like this increased the cost of building a station beyond doubt, is unfavorable for that large tracts of land promotes the use of.Therefore, it is imperative to seek the economical and practical antenna structure with omnidirectional's horizontal polarization radiation characteristic.
Summary of the invention
The purpose of this utility model provides a kind of simple and reasonable in order to solve above-mentioned deficiency exactly, can realize the transmitting-receiving of horizontal polarization omnidirectional, and the efficient height is stable and reliable for performance, the waveguide omnidirectional antenna that cost is low.
The utility model is realized above-mentioned purpose by following technical proposals:
The utility model is the metal waveguide with space, square-section, and the broadside of square-section and the ratio on narrow limit are more than or equal to 4: 1 and smaller or equal to 6: 1; Longitudinally be respectively arranged with a series of slits on the metallic plate at last broadside and following broadside place.Slit on the slit of last metallic plate and the following metallic plate is symmetrically distributed.Adjacent slits vertically is staggered up and down along metallic plate, forms gap array.Be coated with the epoxy resin cover plate on the slit of described metallic plate up and down.
Advantage of the present utility model is:
1, the utility model adopts the rectangular metal waveguiding structure of big wide-to-narrow ratio.The narrow limit of waveguide broadside is produced by computer search than between 4: 1～6: 1, is the basis of realizing antenna horizontal polarization omnidirectional radiation.
2, broadside is provided with the longitudinal slot array about the waveguide of the utility model rectangular metal, and this array adopts computer technology optimization to generate, and is the key structure of realizing antenna horizontal polarization omnidirectional radiation and all other electrical performance indexes.
3, the utility model volume is little, and is in light weight, easy to make, with low cost.And have low-loss, a high-efficiency characteristics.
4, the utility model adopts the epoxy resin cover plate to cover the slit of upper and lower metallic plate, has the function of water-tight corrosion-proof, is the indispensable part of product shaping, and this encapsulation technology is with low cost, and is simple and practical.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 is the horizontal section structure cutaway view of the utility model embodiment.
Specific embodiment
As Fig. 1, Fig. 2, the utility model is the metal waveguide with transverse moment tee section space, and the broadside 1 of square-section is 5: 1 with the ratio on narrow limit 2.Longitudinally be respectively arranged with a series of slit 3-1 and 4-1 on the metallic plate 3 and 4 at last broadside 1-1 and following broadside 1-2 place.Parallel and equidistant with upper and lower metallic plate is middle axial plane, and the slit 4-1 on the slit 3-1 of last metallic plate and the following metallic plate faces about axis and claims.Adjacent slits on every metallic plate is vertically staggered up and down along metallic plate, forms gap array.Being coated with epoxy resin cover plate 5 on the slit of upper and lower metallic plate, having the function of water-tight corrosion-proof, is the indispensable part of product shaping, and this encapsulation technology is with low cost, and is simple and practical.The utility model is a kind of horizontally polarized omnidirectional antenna of the 900MHz of being applicable to frequency range.
The rectangular waveguide of the big wide-to-narrow ratio of the utility model is the basis of structure horizontally polarized omnidirectional antenna, and its narrow limit of specific broadside ratio makes waveguide only need up and down broadside vertically to crack just can realize the horizontal polarization omnidirectional radiation, and has the high-gain of 9dBi.It is minimum that the utility model adopts antenna and the integrated configuration of feeder line that circuit loss has been dropped to, and antenna efficiency is up to 95%.
Therefore the utility model is simple in structure, volume is little, cost is low, can produce in batches; The signal covering power is strong, and is stable and reliable for performance.
The key technical indexes of the utility model embodiment is:
1, frequency range: 900～928MHz;
2, gain: 9 ± 0.5dBi;
3, horizontal plane lobe width: 360 °;
4, vertical plane lobe width: 14 °;
5, voltage standing wave ratio :≤1.5;
6, polarization mode: horizontal polarization.
Claims (5)
1, a kind of horizontal polarization waveguide omnidirectional antenna, it is the metal waveguide with space, square-section, it is characterized in that:
The broadside of square-section and the ratio on narrow limit are more than or equal to 4: 1 and smaller or equal to 6: 1;
Longitudinally be respectively arranged with a series of slits on the metallic plate at last broadside and following broadside place.
2, horizontal polarization waveguide omnidirectional antenna according to claim 1, it is characterized in that: the ratio on described broadside and narrow limit is 5: 1.
3, horizontal polarization waveguide omnidirectional antenna according to claim 1 is characterized in that: the slit and the slit on the following metallic plate of going up metallic plate are symmetrically distributed.
4, horizontal polarization waveguide omnidirectional antenna according to claim 1, it is characterized in that: adjacent slits vertically is staggered up and down along metallic plate, forms gap array.
5, horizontal polarization waveguide omnidirectional antenna according to claim 1 is characterized in that: be coated with the epoxy resin cover plate on the slit of described metallic plate up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420103061 CN2762372Y (en) | 2004-12-24 | 2004-12-24 | Horizontally-polarized waveguide omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420103061 CN2762372Y (en) | 2004-12-24 | 2004-12-24 | Horizontally-polarized waveguide omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762372Y true CN2762372Y (en) | 2006-03-01 |
Family
ID=36095488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420103061 Expired - Fee Related CN2762372Y (en) | 2004-12-24 | 2004-12-24 | Horizontally-polarized waveguide omnidirectional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2762372Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709700A (en) * | 2010-09-10 | 2012-10-03 | 中电科微波通信(上海)有限公司 | Crack waveguide antenna and manufacturing method thereof |
| CN101505003B (en) * | 2009-03-05 | 2013-01-02 | 四川大学 | Horizontal omnidirectional planar printed antenna |
| CN101373860B (en) * | 2007-05-31 | 2014-06-04 | 阿尔斯通运输股份有限公司 | Waveguide antenna embedded on a railway vehicle |
| CN107834140A (en) * | 2017-10-23 | 2018-03-23 | 中天射频电缆有限公司 | Cable is leaked in a kind of MIMO waveguides |
-
2004
- 2004-12-24 CN CN 200420103061 patent/CN2762372Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373860B (en) * | 2007-05-31 | 2014-06-04 | 阿尔斯通运输股份有限公司 | Waveguide antenna embedded on a railway vehicle |
| CN101505003B (en) * | 2009-03-05 | 2013-01-02 | 四川大学 | Horizontal omnidirectional planar printed antenna |
| CN102709700A (en) * | 2010-09-10 | 2012-10-03 | 中电科微波通信(上海)有限公司 | Crack waveguide antenna and manufacturing method thereof |
| CN102709700B (en) * | 2010-09-10 | 2015-03-25 | 中电科微波通信(上海)有限公司 | Crack waveguide antenna and manufacturing method thereof |
| CN107834140A (en) * | 2017-10-23 | 2018-03-23 | 中天射频电缆有限公司 | Cable is leaked in a kind of MIMO waveguides |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |