CN106602276A - WLAN (wireless local area network) antenna - Google Patents
WLAN (wireless local area network) antenna Download PDFInfo
- Publication number
- CN106602276A CN106602276A CN201611078178.3A CN201611078178A CN106602276A CN 106602276 A CN106602276 A CN 106602276A CN 201611078178 A CN201611078178 A CN 201611078178A CN 106602276 A CN106602276 A CN 106602276A
- Authority
- CN
- China
- Prior art keywords
- antenna
- slot antenna
- planar slot
- dielectric
- wlan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 230000005855 radiation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000011514 reflex Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/106—Microstrip slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to a WLAN (wireless local area network) antenna. The WLAN (wireless local area network) antenna comprises an antenna cover, a dielectric plate, a planar slot antenna, a microstrip line, a bottom plate and a feed connector; the antenna cover covers around the dielectric plate above the bottom plate; the planar slot antenna and the microstrip line are respectively arranged at two sides of the dielectric plate; the outer surface of the feeder connector is connected with the bottom plate and the planar slot antenna; a feed pin at the center of the feed connector is connected with the microstrip line; the conductor surface of the planar slot antenna is attached to the dielectric plate; one end of the microstrip line is connected with the conductor surface of the planar slot antenna; the planar slot antenna comprises two rectangular slits which vertically intersect with each other; the intersection of the rectangular slits is located at a 2/3 position in a longitudinal direction; and the length and the width of the rectangular slits are 42mm and 8mm respectively. According to the WLAN (wireless local area network) antenna of the invention, based on the directional radiation characteristic of the slot antenna and the reflection effect of the bottom plate, the antenna forms a weak radiant direction compared with a general omnidirectional antenna, and the direction faces an interference source to weaken interference.
Description
Technical field
The present invention relates to antenna technical field, more particularly to a kind of WLAN antennas.
Background technology
Antenna is a kind of converter, and it is transformed into the electricity propagated in unbounded medium the guided wave of transmission above-the-line promotion
Magnetic wave, or carry out contrary conversion.It is used for launching or receiving the part of electromagnetic wave in wireless device.Radio communication,
The engineering systems such as broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, it is every to use electromagnetic waves to transmission information
, depend on antenna to be operated.Additionally, in terms of with electromagnetic wave transmission energy, the energy radiation of non-signal is also required to day
Line.
Existing antenna mostly is omnidirectional antenna, when two omnidirectional antennas are relativelyed close to, mutual interference
The access rate and message transmission rate of user will be had a strong impact on.
The content of the invention
The invention solves the problems that technical problem of the prior art, there is provided a kind of WLAN antennas of easy processing.
In order to solve above-mentioned technical problem, technical scheme is specific as follows:
A kind of WLAN antennas, including:Antenna house, dielectric-slab, planar slot antenna, microstrip line, base plate and feed connection;
The antenna house is covered on around the dielectric-slab above base plate;The planar slot antenna and the microstrip line set respectively
Put in the both sides of the dielectric-slab;The feed connection outer surface is connected with the base plate and the planar slot antenna;Institute
The feed pin for stating feed connection center is connected with the microstrip line;
The conductor surface of the planar slot antenna is close to the dielectric-slab;One end of the microstrip line and the plane gap
The conductor surface connection of antenna;
The planar slot antenna includes two rectangular apertures for intersecting vertically, and the intersecting position of rectangular aperture is in length side
At 2/3 upwards, the length and width of rectangular aperture are respectively 42mm and 8mm.
In above-mentioned technical proposal, the long side of the rectangular aperture is from the horizontal by 45 degree of settings.
In above-mentioned technical proposal, the thickness of the dielectric-slab is 1.2mm.
In above-mentioned technical proposal, the radius of the base plate is 12cm.
In above-mentioned technical proposal, the dielectric-slab is 110 to 115 degree with the angle of the base plate.
The present invention has following beneficial effect:
The non-omnidirectional of horizontal plane radiation characteristic of the WLAN antennas of the present invention, can be very good to suppress mutual between multiple antennas
Mutually disturb.
The present invention makes antenna complete compared to general using the sensing radiation characteristic of slot antenna and the reflex of base plate
The weaker direction of a radianting capacity is formed to antenna, by the direction towards interference source, plays a part of to weaken interference.
Description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the WLAN antennas of the present invention.
Fig. 2 is the assembling structure schematic diagram of the WLAN antennas of the present invention.
Fig. 3 is the gap structure schematic diagram of the WLAN antennas shown in Fig. 1.
Fig. 4 is the return loss schematic diagram of the WLAN antennas of the present invention.
Fig. 5 is horizontal plane radiation pattern of the WLAN antennas of the present invention on 2.40GHz.
Reference in figure is expressed as:
1- antenna houses;2- dielectric-slabs;3- planar slot antennas;4- microstrip lines;5- base plates;6- feed connections.
Specific embodiment
The present invention invention thought be:
The present invention provides a kind of WLAN antennas of easy processing, and it includes:Antenna house, dielectric-slab, planar slot antenna, micro-strip
Line, base plate and feed connection.The present invention makes antenna phase using the sensing radiation characteristic of slot antenna and the reflex of base plate
The weaker direction of a radianting capacity is formed compared with general omnidirectional antenna, by the direction towards interference source, is played and is weakened interference
Effect.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~5, a kind of WLAN antennas, including:Antenna house 1, dielectric-slab 2, planar slot antenna 3, microstrip line 4,
Base plate 5 and feed connection 6;
The antenna house 1 is covered on around the dielectric-slab 2 of the top of base plate 5;The planar slot antenna 3 and the microstrip line 4
It is separately positioned on the both sides of the dielectric-slab 2;The outer surface of the feed connection 6 and the base plate 5 and the plane gap day
Line 3 connects;The feed pin at the center of the feed connection 6 is connected with the microstrip line 4;The material of base plate 5 is conductor.
The conductor surface of the planar slot antenna 3 is close to the dielectric-slab 2;One end of the microstrip line 4 and the plane
The conductor surface connection of slot antenna 3;
The planar slot antenna 3 includes two rectangular apertures for intersecting vertically, and the intersecting position of rectangular aperture is in length
At on direction 2/3, the length and width of rectangular aperture are respectively 42mm and 8mm.Two intersecting one left sides of rectangular aperture formation are big
Right little X-shaped shape.The long side of the rectangular aperture is from the horizontal by 45 degree of settings.Parameter values in Fig. 3 are respectively:h1
=8mm;H2=24mm;H3=10mm.
The thickness of the dielectric-slab 2 is 1.2mm.The radius of the base plate 5 is 12cm.The dielectric-slab 2 and the base plate 5
Angle be 110 to 115 degree.
The return loss plot of antenna shown in Fig. 4, it is seen that in the working frequency range (2400MHz~2500MHz), about-
Below 15dB, realizes preferable impedance matching, and energy is preferably radiate.
It is the horizontal plane radiation pattern on antenna 2.4GHz shown in Fig. 5, it is seen that spoke of the antenna in 120~150 degree of directions
Penetrate ability weaker, about 8dB lower than greatest irradiation direction, except the party, outwards other directions keep preferable radianting capacity.Therefore,
The intensity for disturbing source signal can be received so as to reduce antenna by the most weak direction of the radianting capacity of antenna towards interference source,
The transmitting and reception of wireless signal on other directions have been taken into account simultaneously.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (5)
1. a kind of WLAN antennas, it is characterised in that include:Antenna house (1), dielectric-slab (2), planar slot antenna (3), microstrip line
(4), base plate (5) and feed connection (6);
The antenna house (1) is covered on around the dielectric-slab (2) above base plate (5);The planar slot antenna (3) and the micro-strip
Line (4) is separately positioned on the both sides of the dielectric-slab (2);Feed connection (6) outer surface and the base plate (5) and described
Planar slot antenna (3) connects;The feed pin at feed connection (6) center is connected with the microstrip line (4);
The conductor surface of the planar slot antenna (3) is close to the dielectric-slab (2);One end of the microstrip line (4) is flat with described
The conductor surface connection of face slot antenna (3);
The planar slot antenna (3) includes two rectangular apertures for intersecting vertically, and the intersecting position of rectangular aperture is in length side
At 2/3 upwards, the length and width of rectangular aperture are respectively 42mm and 8mm.
2. WLAN antennas according to claim 1, it is characterised in that the long side of the rectangular aperture is from the horizontal by 45
Degree is arranged.
3. WLAN antennas according to claim 1, it is characterised in that the thickness of the dielectric-slab (2) is 1.2mm.
4. WLAN antennas according to claim 1, it is characterised in that the radius of the base plate (5) is 12cm.
5. WLAN antennas according to claim 1, it is characterised in that the angle of the dielectric-slab (2) and the base plate (5)
For 110 to 115 degree.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611078178.3A CN106602276A (en) | 2016-11-30 | 2016-11-30 | WLAN (wireless local area network) antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611078178.3A CN106602276A (en) | 2016-11-30 | 2016-11-30 | WLAN (wireless local area network) antenna |
Publications (1)
Publication Number | Publication Date |
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CN106602276A true CN106602276A (en) | 2017-04-26 |
Family
ID=58595600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611078178.3A Pending CN106602276A (en) | 2016-11-30 | 2016-11-30 | WLAN (wireless local area network) antenna |
Country Status (1)
Country | Link |
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CN (1) | CN106602276A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110148832A (en) * | 2019-05-06 | 2019-08-20 | 南京邮电大学 | A kind of implantable antenna system |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2075451A1 (en) * | 1991-08-07 | 1993-02-08 | Gerard Raguenet | Miniature basic radio-antenna |
CA2102479A1 (en) * | 1992-11-16 | 1994-05-17 | Pyong K. Park | Cross-slot microwave antenna |
JP2002009540A (en) * | 2000-06-16 | 2002-01-11 | Hitachi Cable Ltd | Antenna system |
US20040201533A1 (en) * | 2003-04-08 | 2004-10-14 | Sievenpiper Daniel F. | Crossed-slot antenna for mobile satellite and terrestrial radio reception |
CN201797044U (en) * | 2010-04-22 | 2011-04-13 | 山东科技大学 | Single-surface-mounted-chip dual-frequency dual-polarized microstrip antenna |
CN202737099U (en) * | 2012-09-14 | 2013-02-13 | 中山大学 | WLAN anti-interference antenna |
CN103887610A (en) * | 2014-03-18 | 2014-06-25 | 西安交通大学 | Broad-band micro-strip PIFA |
CN105932410A (en) * | 2016-05-09 | 2016-09-07 | 中山大学 | Ultra wide band plane directional radiation antenna |
CN206349514U (en) * | 2016-11-30 | 2017-07-21 | 中国铁塔股份有限公司长春市分公司 | A kind of WLAN antennas |
-
2016
- 2016-11-30 CN CN201611078178.3A patent/CN106602276A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2075451A1 (en) * | 1991-08-07 | 1993-02-08 | Gerard Raguenet | Miniature basic radio-antenna |
CA2102479A1 (en) * | 1992-11-16 | 1994-05-17 | Pyong K. Park | Cross-slot microwave antenna |
JP2002009540A (en) * | 2000-06-16 | 2002-01-11 | Hitachi Cable Ltd | Antenna system |
US20040201533A1 (en) * | 2003-04-08 | 2004-10-14 | Sievenpiper Daniel F. | Crossed-slot antenna for mobile satellite and terrestrial radio reception |
CN201797044U (en) * | 2010-04-22 | 2011-04-13 | 山东科技大学 | Single-surface-mounted-chip dual-frequency dual-polarized microstrip antenna |
CN202737099U (en) * | 2012-09-14 | 2013-02-13 | 中山大学 | WLAN anti-interference antenna |
CN103887610A (en) * | 2014-03-18 | 2014-06-25 | 西安交通大学 | Broad-band micro-strip PIFA |
CN105932410A (en) * | 2016-05-09 | 2016-09-07 | 中山大学 | Ultra wide band plane directional radiation antenna |
CN206349514U (en) * | 2016-11-30 | 2017-07-21 | 中国铁塔股份有限公司长春市分公司 | A kind of WLAN antennas |
Non-Patent Citations (1)
Title |
---|
陈虎等: ""低副瓣波导窄边大倾角缝隙天线研究"", 《微波学报》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110148832A (en) * | 2019-05-06 | 2019-08-20 | 南京邮电大学 | A kind of implantable antenna system |
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Application publication date: 20170426 |
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