CN2702459Y - 2.4G waveguide gap omnidirectional horizontal polarization antenna - Google Patents
2.4G waveguide gap omnidirectional horizontal polarization antenna Download PDFInfo
- Publication number
- CN2702459Y CN2702459Y CN 200420045176 CN200420045176U CN2702459Y CN 2702459 Y CN2702459 Y CN 2702459Y CN 200420045176 CN200420045176 CN 200420045176 CN 200420045176 U CN200420045176 U CN 200420045176U CN 2702459 Y CN2702459 Y CN 2702459Y
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- Prior art keywords
- waveguide
- outer cover
- omnidirectional
- antenna
- horizontal polarization
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- Expired - Lifetime
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- 230000010287 polarization Effects 0.000 title abstract description 17
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005404 monopole Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a 2.4G waveguide gap omnidirectional horizontal polarization antenna which is composed of an outer cover, a waveguide equipped in the outer cover and a feeding connecting part. The waveguide and the feeding connecting part are fixed with the outer cover through a mechanical fixing part. The feeding method adopts the middle feeding method, and the bottom feeding can also be used; i.e. the feeding connecting part is composed of connectors which are equipped at the bottom and middle and feeders which connects the two connectors; the outer cover can be circular, etc. An antenna of the waveguide adopts the flat rectangular waveguide; the mechanical fixing part is composed of a base which is equipped at the bottom of the outer cover and two L-shaped clamping plates which fix the base and the waveguide through screws. With antennas of the structure, the problem of the horizontal polarization of omnidirectional antennas is solved, the symmetry of directional diagrams is good, the standing wave ratio is small, and the power capacity is larger than linear element antennas. And simultaneously, the 2.4G waveguide gap omnidirectional horizontal polarization antenna is provided with the features of firm structure and high reliability, the 2.4G waveguide gap omnidirectional horizontal polarization antenna hardly can be influenced by environments, the direct current is connected with the earth, and the lightning protection performance is good.
Description
Technical field
The utility model relates to 2.4G WLAN wireless access system field, more particularly relates to a kind of antenna of 2.4G WLAN wireless access system.
Background technology
The omnidirectional antenna of prior art adopts perpendicular polarization mostly, generally constitute by outer cover, folded dipole, installation base plate etc., as application number be 02262045, the applying date is that August 12, denomination of invention in 2002 are the patented technology that broadband is vertically installed omnidirectional antenna, it comprises folded dipole, base plate, coaxial socket and outer cover, folded dipole adopts Metal Flake feed tab structure, be respectively equipped with on this feed tab and amount to the extension and amount to support chip, amount to support chip and reflected bottom plate direct ground connection, realize the self-supporting of oscillator sheet.Also have and to carry out horizontal polarization, as application number be 00227046, the applying date is that January 6, denomination of invention in 2000 are the patent of 225～400MHz dual-polarization omnidirectional antenna, it comprises 5 subband sleeve monopole (antenna) unit, perpendicular polarization is made in one of them unit, and horizontal polarization is made in four unit, and each sleeve monopole (antenna) unit is a radiant body by (1) inner wire, (2) sleeve, (3) be medium, (4) be distributing point, (5) are coaxial line, and (6) are formed for reflecting plate.Though this patent also can be in 225～400MHz dual polarization, structure installation and processing complexity, actual effect are not too desirable; Can't realize simultaneously the horizontal polarization of omnidirectional antenna in the 2.4G wireless local area network (WLAN) system.Because the fast development of communication in recent years, taking and disturb also of resource increases synchronously, and for reducing 2.4G frequency range co-channel interference, existing lot of domestic and international operator changes antenna into horizontal polarization by perpendicular polarization, thereby is badly in need of realizing the omnidirectional antenna of horizontal polarization.
Summary of the invention
The purpose of this utility model is exactly in order to realize the horizontal polarization of omnidirectional antenna in the 2.4G wireless local area network (WLAN) system.
The technical solution that the utility model adopts in order to achieve the above object is as follows:
This 2.4G Waveguide slot omnidirectional horizontally-polarized antenna, the waveguide, the feed coupling part that comprise outer cover, are located in the outer cover constitute, and fixedly connected with outer cover by the mechanical fixation part in waveguide, feed coupling part.
The utility model also can be done following improvement:
1, feeding classification adopts the middle part feeding classification, the feedback of the also available end or other form; Being the feed coupling part is made of connector that is located at bottom and middle part and the feeder line that is connected two connectors;
2, outer cover can be used circular or other form.
3, waveguide antenna adopts flat rectangular waveguide; Flat horizontal surface is staggeredly equipped with long slot bore successively along the center line both sides.
4, mechanical fixation part is made of base that is located at the outer cover bottom and two L shaped clamping plate by screw base and waveguide.
The technique effect that the utility model adopts said structure to reach is:
1, aerial array is superimposed as the directional diagram with desirable circularity at horizontal plane, and has lower secondary lobe in vertical plane; Successfully solved the horizontal polarization problem of omnidirectional antenna.
2, middle part feeding classification makes the directional diagram symmetry good, and standing-wave ratio is little, and power capacity is than line unit antenna height.
3, sound construction, the reliability height, affected by environment hardly, DC earthing, lightning protected function admirable.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model side direction structural representation.
Embodiment
As Fig. 1, shown in Figure 2,2.4G Waveguide slot of the present utility model omnidirectional horizontally-polarized antenna comprises waveguide 2, the feed part, outer cover 1, waveguide 2, the feed coupling part is fixing with outer cover 1 by the mechanical fixation part, feed part is made of the feeder line 7 that the connector 8 that is located at middle part in the outer cover and be located at the connector 6 bottom the outer cover and is connected two connectors, comprise feeder line 7 and connector 6,8 all can obtain being prior art from the market purchase, outer cover 1 is a tubular, the circular arc sealing is adopted on top, the mechanical fixation coupling part is made of base 5 that is located at outer cover bottom and two L shaped clamping plate 4 by screw base 5 and waveguide 2, and waveguide 2 is flat rectangular waveguide; Its flat horizontal surface is staggeredly equipped with long slot bore 3 successively along the center line both sides.
Really, as other embodiment of the present utility model, this outer cover also can adopt other profile, feeding classification adopts the middle part feeding classification, the feedback of the also available end or other form, its mechanical fixation part also can adopt other frame mode certainly, and the utility model is not carefully stated at this.
It is antenna body that the utility model adopts flat rectangular waveguide, according to waveguide inner surface current distribution characteristic, with the narrow slot that is parallel to the waveguide axis is that radiating element is formed aerial array, by reasonably selecting gap position and size, make aerial array be superimposed as directional diagram at horizontal plane with desirable circularity, and in vertical plane, have lower secondary lobe, thereby realized the horizontal polarization of omnidirectional antenna.
Claims (6)
1, a kind of 2.4G Waveguide slot omnidirectional horizontally-polarized antenna comprises outer cover, it is characterized in that, it comprises that also the waveguide, the feed coupling part that are located in the outer cover constitute, and fixedlys connected with outer cover by the mechanical fixation part in waveguide, feed coupling part.
2, omnidirectional according to claim 1 horizontally-polarized antenna is characterized in that, described feed coupling part is made of connector that is located at bottom and middle part and the feeder line that is connected two connectors.
3, omnidirectional according to claim 1 horizontally-polarized antenna is characterized in that described outer cover can be used tubular, and circular arc sealing is adopted on its top.
4, omnidirectional according to claim 1 horizontally-polarized antenna is characterized in that it is antenna body that described waveguide antenna adopts flat rectangular waveguide.
5, omnidirectional according to claim 4 horizontally-polarized antenna is characterized in that, the flat horizontal surface of described waveguide be staggeredly equipped with long slot bore successively along the center line both sides.
6, omnidirectional according to claim 1 horizontally-polarized antenna is characterized in that, described mechanical fixation part is made of base that is located at the outer cover bottom and two L shaped clamping plate by screw base and waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420045176 CN2702459Y (en) | 2004-04-26 | 2004-04-26 | 2.4G waveguide gap omnidirectional horizontal polarization antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420045176 CN2702459Y (en) | 2004-04-26 | 2004-04-26 | 2.4G waveguide gap omnidirectional horizontal polarization antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2702459Y true CN2702459Y (en) | 2005-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420045176 Expired - Lifetime CN2702459Y (en) | 2004-04-26 | 2004-04-26 | 2.4G waveguide gap omnidirectional horizontal polarization antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2702459Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790252A (en) * | 2012-04-18 | 2012-11-21 | 北京天工开正科技有限责任公司 | Device and method for realizing mutual transition between rectangular waveguide and parallel plate waveguide |
| CN104577283A (en) * | 2015-01-09 | 2015-04-29 | 北京交通大学 | Rectangular leakage waveguide capable of achieving circular polarization characteristics at near field |
| CN104577347A (en) * | 2014-12-03 | 2015-04-29 | 中国电子科技集团公司第三十八研究所 | Dual-band multi-polarization common-caliber waveguide slot antenna |
| CN110867644A (en) * | 2019-11-11 | 2020-03-06 | 中国电子科技集团公司第十四研究所 | Dual-band multi-polarization common-caliber coaxial waveguide slot antenna |
-
2004
- 2004-04-26 CN CN 200420045176 patent/CN2702459Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790252A (en) * | 2012-04-18 | 2012-11-21 | 北京天工开正科技有限责任公司 | Device and method for realizing mutual transition between rectangular waveguide and parallel plate waveguide |
| CN104577347A (en) * | 2014-12-03 | 2015-04-29 | 中国电子科技集团公司第三十八研究所 | Dual-band multi-polarization common-caliber waveguide slot antenna |
| CN104577283A (en) * | 2015-01-09 | 2015-04-29 | 北京交通大学 | Rectangular leakage waveguide capable of achieving circular polarization characteristics at near field |
| CN110867644A (en) * | 2019-11-11 | 2020-03-06 | 中国电子科技集团公司第十四研究所 | Dual-band multi-polarization common-caliber coaxial waveguide slot antenna |
| CN110867644B (en) * | 2019-11-11 | 2021-01-19 | 中国电子科技集团公司第十四研究所 | Dual-band multi-polarization common-caliber coaxial waveguide slot antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG SHING ROAD COMMUNICATION TECHNOLOGY CO. Free format text: FORMER OWNER: YANG HUA Effective date: 20070831 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070831 Address after: 528100, southwest 20, Sanshui District, Sanshui District, Guangdong, Foshan Patentee after: Guangdong Shenglu Telecommunication Tech Co., Ltd. Address before: 528100 southwest 20 private science and Technology Industrial Zone, Nanfeng Road, Sanshui District, Guangdong, Foshan Patentee before: Yang Hua |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140426 Granted publication date: 20050525 |