CN203166092U - Directional antenna - Google Patents
Directional antenna Download PDFInfo
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- CN203166092U CN203166092U CN 201320149229 CN201320149229U CN203166092U CN 203166092 U CN203166092 U CN 203166092U CN 201320149229 CN201320149229 CN 201320149229 CN 201320149229 U CN201320149229 U CN 201320149229U CN 203166092 U CN203166092 U CN 203166092U
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Abstract
The utility model discloses a directional antenna. The directional antenna comprises a dielectric plate, a signal reflecting plate and a base plate. The dielectric plate and the signal reflecting plate are vertically placed on the base plate. The signal reflecting plate is arranged on one side of the dielectric plate. The dielectric plate comprises a first polaron used for working in a first frequency range and a second polaron used for working in a second frequency range. Two dipoles having different frequencies and further characterized by cross polarization are adopted inside the antenna. By additionally arranging one reflecting plane, an original omnidirectional dipole antenna is converted into a directional antenna. In this way, the distances between each dipole and the reflecting plane and also between each dipole and the base plate can be adjusted to figure out the proper yield value, the radiation directional diagram and the radiation lobe width of the antenna.
Description
Technical field
The utility model relates to field of antenna, and especially, relates to a kind of directional antenna.
Background technology
Traditional ceiling mount antenna all is the antenna design principle that monopole and ground plane are just used in the design of employing metal radiant body and metal base plate, mainly waits to adjust antenna parameter by changing monopole modeling structure size.There is similar problem equally in other antennas in the conventional art.
Lower and can't arbitrarily adjust the problem that changes the signal radiation direction and change yield value as required at antenna gain in the correlation technique, effective solution is not proposed at present as yet.
The utility model content
At the problem in the correlation technique, the utility model proposes a kind of directional antenna, can find out the suitable yield value of antenna and antenna pattern and lobe width thereof by the distance of adjusting between dipole and reflecting surface and the base plate.
The technical solution of the utility model is achieved in that
The utility model provides a kind of directional antenna, comprise dielectric-slab, signal reflex plate and base plate, described dielectric-slab and described signal reflex plate are placed on the described base plate, described signal reflex plate is arranged at a side of described dielectric-slab, described dielectric-slab have be used to be operated in first frequency range first extremely son and be used for be operated in second son extremely of second frequency range.
Further, described first extremely son be dipole or second extremely son for dipole.
Further, described first extremely son is different with the described second extremely sub polarised direction.
Further, described dielectric-slab has first surface and second surface, described first extremely son be arranged at described first surface, described second extremely son be arranged at described second surface, wherein, described second surface is towards described signal reflex plate.
Further, described signal reflex plate is dull and stereotyped, and parallel with described dielectric-slab or be a predetermined angular.
Further, described signal reflex plate has radian.
Further, described signal reflex plate is the conduction reflecting surface.
Further, described signal reflex plate has the dielectric panel of conduction reflecting surface at least one surface coverage.
Further, the bottom of described dielectric-slab is provided with conducting strip, and the conducting strip of described dielectric-slab by the bottom is connected with described base plate.
Further, the bottom of described signal reflex plate is provided with the conductive earthing sheet, and described conductive earthing sheet is connected with described base plate.
Further, described first extremely son and described second extremely son be to be fixed in the conductive structure of described dielectric-slab.
Further, described first extremely son and described second is extremely sub all has be used to the feedback point that is connected feeder line.
Further, described first frequency range and described second frequency range all are selected from 1.8GHz-12GHz, and described first frequency range and described second frequency range do not wait.
Alternatively, described first frequency range is 1.8GHz-3GHz.
Alternatively, described first frequency range is 2GHz-2.6GHz.
Alternatively, described first frequency range is 2.4GHz-2.5GHz.
Alternatively, described second frequency range is 4.8GHz-6GHz.
Alternatively, described second frequency range is 4.9GHz-6GHz.
Alternatively, described second frequency range is 5GHz-5.9GHz.
The utility model is by adopting cross-polarized two different frequencies extremely sub (for example, can be dipole), and increase a reflecting surface original omnidirectional dipole antenna is become orientation, so just, can find out the suitable yield value of antenna and antenna pattern and lobe width thereof by the distance of adjusting between dipole and reflecting surface and the base plate, its performance is improved, is better than existing directional antenna.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation according to the directional antenna of the utility model embodiment;
Fig. 2 is the structure chart according to a surface of the dielectric-slab of the directional antenna of the utility model embodiment;
Fig. 3 is another the surperficial structure chart according to the dielectric-slab of the directional antenna of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills obtain belongs to the scope that the utility model is protected.
According to embodiment of the present utility model, a kind of directional antenna is provided, this antenna can be the WLAN antenna, also can be by other means or agreement carry out the antenna of signal transmitting and receiving.
As shown in Figure 1, this antenna comprises dielectric-slab 6, signal reflex plate 7 and base plate 4, dielectric-slab 6 and signal reflex plate 7 are placed on the base plate 4, signal reflex plate 7 is arranged at a side of dielectric-slab 6, dielectric-slab 6 have be used to be operated in first frequency range first extremely son 1 and be used for be operated in second frequency range second extremely son 2, the first extremely son 1 with second extremely son 2 all have be used to the feedback point that is connected feeder line.
In addition, for the consideration to the design space, above-mentioned first extremely son 1 be dipole, second sub 2 is dipole extremely.In addition, first extremely son 1 be half wavelength dipole corresponding to first frequency range.Second extremely son 2 be half wavelength dipole corresponding to second frequency range.
In one embodiment, first extremely son 1 can be different with second extremely sub 2 polarised direction.
In addition, dielectric-slab 6 has first surface and second surface, and first extremely sub 1 is arranged at first surface, and second extremely sub 2 is arranged at second surface, and wherein, second surface is towards signal reflex plate 7.
In one embodiment, signal reflex plate 7 is dull and stereotyped.And dielectric-slab 6 and signal reflex plate 7 are parallel or be a predetermined angular.
In another embodiment, signal reflex plate 7 has radian.
In addition, signal reflex plate 7 can be conduction reflecting surface (for example, can be metallic plate), and perhaps, signal reflex plate 7 has the dielectric panel of conduction reflecting surface (for example, can be metal level) 3 at least one surface coverage.
In addition, the bottom of dielectric-slab 6 is provided with conducting strip (for example, can be sheet metal) 5, and dielectric-slab 6 is connected (for example, being welded to connect) by the conducting strip 5 of bottom with base plate 4.In other embodiments, conducting strip can be installed on dielectric-slab and signal reflex plate 7 by other forms.
In addition, the bottom of signal reflex plate 7 is provided with conductive earthing sheet (for example, can be sheet metal), and conductive earthing sheet and the base plate 4 of signal reflex plate 7 by the bottom is welded to connect.
In addition, first extremely son 1 and second extremely son 2 for being fixed in the conductive structure of dielectric-slab 6, for example, the sheet metal structure.
And dielectric-slab 6 and signal reflex plate 7 pass through perforation (not shown) plug-in mounting to base plate 4.
In addition, with reference to Fig. 1, base plate 4 can be circular.In other scenes, according to the restriction of factors such as installation site and antenna cover, base plate 4 also can be rectangle, triangle or other shapes.
In addition, the first above-mentioned frequency range can be 1.8GHz-3GHz, and the second above-mentioned frequency range can be 4.8GHz-6GHz.Certainly, first frequency range and second frequency range are optional in 1.8～12GHz all can.
In one embodiment, first frequency range is 2.4GHz-2.5GHz, and second frequency range is 5.0GHz-5.9GHz.In other embodiments, first and second frequency ranges of antenna work also can be other frequency ranges.
To illustrate technique scheme of the present utility model below.
Continuation is with reference to Fig. 1, and in one embodiment, the directional antenna that the utility model proposes can be WLAN dual-band and dual-feed ceiling mount antenna, and it is several scenes such as narrow long type indoor environment such as inside corridor passageway, subway station that this antenna goes for ground.This antenna mainly comprises second extremely sub 2, signal reflex plates 7 (having metallic reflection face 3) and base plate 4 of first extremely sub 1,5.0～5.9GHz of a 2.4～2.5GHz.Entire antenna is designed to two frequency ranges, and (2.4～2.5GHz and 5.15～5.85GHz) carries out feed by two feeder lines, the corresponding feeder line of frequency range.
Above-mentioned first extremely son 1 and second extremely son 2 be respectively corresponding frequency band (2.4～2.5GHz and 5.15～5.85GHz) half wavelength dipole, and the molded dimension of the two can adjust according to design requirement.
The dipole cross polarization of two different frequency ranges is to increase by two extremely isolations between the son.
Metallic reflection face 3 is in first son 1 and second son 2 the side extremely extremely, and can according to design requirement adjust metallic reflection face 3 molded dimension and and first, second extremely change the antenna pattern of antenna between the son apart from parameters such as angles.
In addition, as shown in Figures 2 and 3, on a surface of dielectric-slab shown in Figure 26, be provided with first extremely the son 1; On another surface of dielectric-slab shown in Figure 36, be provided with second extremely the son 2.And the surface at second extremely sub 2 places can be towards signal reflex plate 7.
First extremely son 1, second extremely son 2, metallic reflection face 3 all adopts the copper-clad plate etching to form, technology is simple, and is convenient to location extremely son and reflecting surface relative position.
Dielectric-slab 6 and signal reflex plate 7 adopt the perforation plug-in mounting and guarantee that with ground connection base plate 4 welding manners the size angle is correct respectively by conducting strip 5 and conduction reflecting surface 3 with ground connection base plate 4.
In addition, as shown in Figures 2 and 3, the bottom of dielectric-slab 6 can have groove 8, makes in the position at groove 8 places, and there is certain intervals in dielectric-slab 6 with base plate 4.By base plate 4 and other relevant structures are fixed with extraneous, can will be installed on roof, wall and other fixtures according to directional antenna of the present utility model.And the groove 8 between dielectric-slab 6 and the base plate 4 can hold devices such as fixing the used nut of this antenna, bolt.
It should be noted that, though the shape of dielectric-slab and signal reflex plate has been shown in the accompanying drawing, and (dielectric-slab is similar trapezoidal shape, the signal reflex plate is rectangle), and show first extremely the son with second extremely the son shape and the fixed position on dielectric-slab, above also illustrated first extremely son and second extremely son can be dipole, still, more than explanation is only for enumerating, in actual applications, the shape of dielectric-slab and signal reflex plate can be other shapes.First extremely sub and second extremely sub other positions that can be installed in dielectric-slab, and its shape also can adopt multiple other existing shapes.In addition, in other application scenarioss, first extremely the son and/or second extremely son also can be monopole.
In sum, the utility model proposes improved directional antenna, this antenna can be fixed by inhaling top or other modes, and can be applied to several scenes (for example, can be used for ground is the narrow long type indoor environment, can be subway station inside corridor passageway).The antenna indoor design is to adopt cross-polarized two different frequency dipoles, by increasing a reflecting surface original omnidirectional dipole antenna is become orientation, so just can find out the suitable yield value of antenna and antenna pattern and lobe width thereof by the distance of adjusting between dipole and reflecting surface and the base plate.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (19)
1. directional antenna, it is characterized in that, comprise dielectric-slab, signal reflex plate and base plate, described dielectric-slab and described signal reflex plate are placed on the described base plate, described signal reflex plate is arranged at a side of described dielectric-slab, described dielectric-slab have be used to be operated in first frequency range first extremely son and be used for be operated in second son extremely of second frequency range.
2. directional antenna according to claim 1 is characterized in that, described first extremely son be dipole or second extremely son for dipole.
3. directional antenna according to claim 1 is characterized in that, described first extremely son is different with the described second extremely sub polarised direction.
4. directional antenna according to claim 1 is characterized in that, described dielectric-slab has first surface and second surface, described first extremely son be arranged at described first surface, described second extremely son be arranged at described second surface, wherein, described second surface is towards described signal reflex plate.
5. directional antenna according to claim 1 is characterized in that, described signal reflex plate is dull and stereotyped, and parallel with described dielectric-slab or be a predetermined angular.
6. directional antenna according to claim 1 is characterized in that, described signal reflex plate has radian.
7. directional antenna according to claim 1 is characterized in that, described signal reflex plate is the conduction reflecting surface.
8. directional antenna according to claim 1 is characterized in that, described signal reflex plate has the dielectric panel of conduction reflecting surface at least one surface coverage.
9. directional antenna according to claim 1 is characterized in that, the bottom of described dielectric-slab is provided with conducting strip, and the conducting strip of described dielectric-slab by the bottom is connected with described base plate.
10. directional antenna according to claim 1 is characterized in that, the bottom of described signal reflex plate is provided with the conductive earthing sheet, and the described conductive earthing sheet of described signal reflex plate by the bottom is connected with described base plate.
11. directional antenna according to claim 1 is characterized in that, described first extremely son and described second extremely son be to be fixed in the conductive structure of described dielectric-slab.
12. directional antenna according to claim 1 is characterized in that, described first extremely son and described second is extremely sub all has be used to the feedback point that is connected feeder line.
13. omnidirectional antenna according to claim 1 is characterized in that, described first frequency range and described second frequency range all are selected from 1.8GHz-12GHz, and described first frequency range is different with described second frequency range.
14. omnidirectional antenna according to claim 1 is characterized in that, described first frequency range is 1.8GHz-3GHz.
15. omnidirectional antenna according to claim 1 is characterized in that, described first frequency range is 2GHz-2.6GHz.
16. omnidirectional antenna according to claim 1 is characterized in that, described first frequency range is 2.4GHz-2.5GHz.
17. omnidirectional antenna according to claim 1 is characterized in that, described second frequency range is 4.8GHz-6GHz.
18. omnidirectional antenna according to claim 1 is characterized in that, described second frequency range is 4.9GHz-6GHz.
19. omnidirectional antenna according to claim 1 is characterized in that, described second frequency range is 5GHz-5.9GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149229 CN203166092U (en) | 2013-03-28 | 2013-03-28 | Directional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320149229 CN203166092U (en) | 2013-03-28 | 2013-03-28 | Directional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166092U true CN203166092U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320149229 Expired - Fee Related CN203166092U (en) | 2013-03-28 | 2013-03-28 | Directional antenna |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762419A (en) * | 2014-01-24 | 2014-04-30 | 南京邮电大学 | Dual-frequency wide-band antenna for ubiquitous wireless communication nodes |
| CN103794883A (en) * | 2013-03-28 | 2014-05-14 | 深圳光启创新技术有限公司 | Directional antenna |
| CN105206935A (en) * | 2014-05-27 | 2015-12-30 | 深圳光启智能光子技术有限公司 | Omnidirectional antenna |
-
2013
- 2013-03-28 CN CN 201320149229 patent/CN203166092U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794883A (en) * | 2013-03-28 | 2014-05-14 | 深圳光启创新技术有限公司 | Directional antenna |
| CN103762419A (en) * | 2014-01-24 | 2014-04-30 | 南京邮电大学 | Dual-frequency wide-band antenna for ubiquitous wireless communication nodes |
| CN105206935A (en) * | 2014-05-27 | 2015-12-30 | 深圳光启智能光子技术有限公司 | Omnidirectional 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: SHENZHEN GUANGQI INTELLIGENT PHOTONICS TECHNOLOGY Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20150626 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150626 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20210328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |