CN206134932U - Ultra -wideband antenna of line face bonding - Google Patents
Ultra -wideband antenna of line face bonding Download PDFInfo
- Publication number
- CN206134932U CN206134932U CN201621076463.7U CN201621076463U CN206134932U CN 206134932 U CN206134932 U CN 206134932U CN 201621076463 U CN201621076463 U CN 201621076463U CN 206134932 U CN206134932 U CN 206134932U
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- ultra
- radiation patch
- antenna
- wideband antenna
- wire
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Abstract
The utility model discloses an ultra -wideband antenna of line face bonding, including base plate, radiation paster and plane ground, the setting of radiation paster is in the front of base plate, and plane ground sets up the back at the base plate, the radiation paster includes the primary radiation body and feeder transport line, and the feeder transport line sets up in the below of the primary radiation body, and the primary radiation is internal to be equipped with one and to fall " T " shape irradiator, and the feeder transport line sets up in the below of radiating the paster, " T " shape open slot is equipped with down on the plane on the ground, the partly face structure that is of radiation paster, all the other parts are constructed for line knot, the utility model discloses it is small, simple structure, it is with low costs, and antenna gain is high.
Description
Technical field
This utility model belongs to antenna technical field, more particularly to a kind of ultra-wideband antenna of wire-board junction.
Background technology
The fast development of wireless communication technology makes existing frequency spectrum resource growing tension, power system capacity to radio communication and
Transfer rate proposes higher and higher requirement.Super-broadband tech is due to its low-power consumption, and high data transmission rate, high-resolution is low
Cost, strong antijamming capability and the series of advantages such as can coexist and be subject to people's good confidentiality with other narrow-band communication systems
Pay close attention to.FCC (FCC) ratified the commercial frequency range frequency of ultra broadband (UWB) system in 2 months 2002
3.1-10.6GHz.Compared to traditional antenna, ultra-wideband antenna design faces more challenges, and traditional broad-band antenna can not nothing
The transmission UWB signal of distortion.At present common UWB antennas for example helical antenna, log-periodic antenna, TEM electromagnetic horns,
There is big volume, complex structure, be difficult to and miniaturized system in Vivaldi antennas etc...
Utility model content
For the problem that prior art is present, we devise the volume that a size only has 18mm × 12mm × 1.6mm
It is little, simple structure, it is easy to process, and plane ultra-wideband antenna of the good line of cost low performance in combination with face.What we designed
Antenna structure is relatively new, and head-on radiation paster tundish contains a T-type structure, and the reference ground at the back side cuts with one and falls T's again
With 90 degree of circular sliding slopes that smooth radius is 2mm, the spy in these structures between open slot, and transmission line and radiation patch
Point can increase the bandwidth of antenna.Because the electric current on radiation patch surface is concentrated mainly on the side of radiation patch surrounding, patch
Electric current in the middle of piece is little, so finally the partly or completely radiation patch of antenna face is only retained radiation patch
Side, its side into line structure.Do so not only can reduces cost, moreover it is possible to ensure the original radiance of antenna.So that antenna
- 6dB working band in 2.37GHz-2.8GHz and 3.6GHz-12GHz
This utility model provides a kind of simple structure, it is easy to process, and the good line of cost low performance is flat in combination with face
Face ultra-wideband antenna.
The technical scheme that this utility model is adopted is as follows：
A kind of ultra-wideband antenna of wire-board junction, including substrate, radiation patch and plane earth；The radiation patch sets
Put in the front of substrate, plane earth is arranged on the back side of substrate；The radiation patch includes main radiator and feeding transmission line, feedback
Electric transmission line is arranged on the lower section of main radiator, and an inverse-T-shaped radiant body is provided with main radiator, and feeding transmission line is arranged on spoke
Penetrate the lower section of paster；Inverse-T-shaped open slot is provided with plane earth；The radiation patch is a part of for face structure, remainder
For line structure.
Further, using smooth curve attachment structure connection between main radiator and feeding transmission line.
Further, the smooth curve attachment structure is two sections in 90 degree of tangent circular arcs of junction point, arc radius
For 2mm.
Further, a length of 18mm of the substrate, a width of 12mm, thickness is 1.6mm.
Further, the main radiator part of radiation patch is line structure, and remainder is face structure.
Further, radiation patch is one of the forming.
The beneficial effects of the utility model include it is following some：
Small-sized, the only 18mm × 12mm × 1.6mm of the antenna element, is highly the thickness of dielectric-slab (i.e. substrate)
1.6mm, small volume, simple structure, low cost, and antenna gain are high.
Also, the working band of antenna is in 2.37GHz-2.8GHz and 3.6GHz-12GHz, the purposes ratio of the antenna system
It is broad, the need of WLAN (2.45GHz), WiMAX (5.25-5.85GHz) and UWB (3.96-10.6GHz) application can be met
Ask.
Secondly, the structure of wire-board junction is more simpler than comprehensive antenna structure, and weight is lighter, and save after linearisation
Space can lay rectification circuit and match circuit so that whole antenna system is more compact, and cost is lower.
Description of the drawings
In order to be illustrated more clearly that utility model embodiment or technical scheme of the prior art, below will to embodiment or
The accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 a are the positive structure schematic of comprehensive architecture antenna corresponding with this utility model；
Fig. 1 b are the reverse structure schematic of comprehensive architecture antenna corresponding with this utility model；
Fig. 2 a remove the structural representation after substrate for the ultra-wideband antenna of this utility model wire-board junction；
Fig. 2 b are that all fronts corresponding with this utility model structural antenna removes the structural representation after substrate；
Fig. 3 is the return loss plot of comprehensive antenna；
Fig. 4 a are the return loss plot of the ultra-wideband antenna of this utility model Fig. 2 a wire-board junctions；
Fig. 4 b are the return loss plot of all fronts structural antenna of Fig. 2 b corresponding with this utility model；
Fig. 5 a are the z parameter figure of the emulation of comprehensive architecture antenna corresponding with this utility model；
Fig. 5 b are the z parameter figure of the emulation of all fronts corresponding with this utility model structural antenna；
Fig. 5 c are the z parameter figure of the emulation of the ultra-wideband antenna of this utility model wire-board junction；
The gain diagram in XZ faces when Fig. 6 a are this utility model band a width of 2.45GHz；
The gain diagram in YZ faces when Fig. 6 b are this utility model band a width of 2.45GHz；
The gain diagram in XZ faces when Fig. 7 a are this utility model band a width of 5GHz；
The gain diagram in YZ faces when Fig. 7 b are this utility model band a width of 5GHz.
Specific embodiment
The preferred embodiment of utility model is described in detail below in conjunction with the accompanying drawings, so that the advantage of utility model and spy
Levying can be easier to be readily appreciated by one skilled in the art, so as to make apparent clear and definite boundary to the protection domain of utility model
It is fixed.
As shown in Fig. 1 a- Fig. 7 b, a kind of ultra-wideband antenna of wire-board junction, including substrate 1, radiation patch 2 and plane
Ground 4；The radiation patch 2 is arranged on the front of substrate, and plane earth 4 is arranged on the back side of substrate；The radiation patch 2 includes master
Radiant body 3 and feeding transmission line 5, feeding transmission line 5 is arranged in the lower section of main radiator 3, main radiator 3 and is provided with an inverted " t "
Shape radiant body 6, feeding transmission line 5 is arranged on the lower section of radiation patch 2；Inverse-T-shaped open slot 7 is provided with plane earth 4, can be with
Increase the electric capacity between radiation patch 2 and ground；The part of the radiation patch 2 is face structure, and remainder is line structure, this
Sample can remain in that radiance (the radiation fin surface of script in the case where reducing the weight of antenna and saving space
Electric current be concentrated mainly on the edge contour of radiation fin, the electric current in the middle of paster is considerably less).
Using smooth curve attachment structure connection, (i.e. the attachment structure is outer between main radiator 3 and feeding transmission line 5
Profile is smooth curve), the curve attachment structure is that two sections are tangent in junction point and song is to 90 degree of contrary circular arcs, circular arc
Radius R be 2mm, such structure can realize relatively wide bandwidth.
The substrate 1 adopts long L6 for 18mm, and wide W6 is 12mm, and thickness is the FR4 material substrates of 1.6mm, wherein, main spoke
The transverse width W1 of beam 3 is 10mm, and vertical extension L1 is 9mm, and the interior width of frame W2 of main radiator 3 is 8mm, and length L2 is
8mm；Length L4 of the vertical section of the inverse-T-shaped radiant body 6 in main radiator 3 is 6.1mm, and the side of the vertical section is to its homonymy
The inside casing of main radiator 3 apart from W4 be 2.5mm；Length L5 of the horizontal segment of inverse-T-shaped radiant body 6 is 1.7mm, and it is arrived in its two ends
The inside casing of homonymy main radiator 3 apart from W5 be 0.2mm；Length L3 of feeding transmission line 5 is 4mm, and its width W3 is 2mm.
As the width of substrate 1, its length L7 is 3mm to the width of the plane earth 4 of the behind of substrate 1, is located at inverse-T-shaped opening thereon
It is 5mm that the horizontal segment width of groove 7 is W8, and horizontal section length L9 is 0.5mm, and the width W7 of vertical section is 2mm, and length L8 is 1mm.
This kind of design is while the volume of antenna is reduced and causes antenna to have wider bandwidth, it is ensured that antenna
Radiant intensity.
As shown in Figure 2 a, the part of main radiator 3 of radiation patch 2 is line structure, and remainder is face structure.By Fig. 4 a
Contrast with Fig. 4 b as can be seen that the -6dB bandwidth of two antennas is respectively, Fig. 4 a：2.37GHz-2.8GHz and 3.6GHz-
12GHz, Fig. 4 b：2.37GHz-9.57GHz.By contrast more preferably, range of application will be more for Fig. 4 a antenna performances of the present utility model
Extensively, the demand of WLAN (2.45GHz), WiMAX (5.25-5.85GHz) and UWB (3.96-10.6GHz) application is met.
The above, the protection domain of the only specific embodiment of utility model, but utility model is not limited thereto,
Any change or replacement expected without creative work, all should cover within the protection domain of utility model.Therefore, it is real
The protection domain that should be limited by claims with new protection domain is defined.
Claims (6)
1. a kind of ultra-wideband antenna of wire-board junction, it is characterised in that：Including substrate（1）, radiation patch（2）And plane earth
（4）；The radiation patch（2）It is arranged on the front of substrate, plane earth（4）It is arranged on the back side of substrate；The radiation patch（2）
Including main radiator（3）And feeding transmission line（5）, feeding transmission line（5）It is arranged on main radiator（3）Lower section, main radiator
（3）Inside it is provided with an inverse-T-shaped radiant body（6）, feeding transmission line（5）It is arranged on radiation patch（2）Lower section；In plane earth（4）
It is provided with inverse-T-shaped open slot（7）；The radiation patch（2）A part is face structure, and remainder is line structure.
2. the ultra-wideband antenna of a kind of wire-board junction according to claim 1, it is characterised in that：Main radiator（3）And feedback
Electric transmission line（5）Between using smooth curve attachment structure connection.
3. the ultra-wideband antenna of a kind of wire-board junction according to claim 2, it is characterised in that：Smooth curve connection knot
Structure be two sections in 90 degree of tangent circular arcs of junction point, arc radius are 2mm.
4. the ultra-wideband antenna of a kind of wire-board junction according to claim 1, it is characterised in that：The substrate（1）Length
For 18mm, a width of 12mm, thickness is 1.6mm.
5. the ultra-wideband antenna of a kind of wire-board junction according to claim 1, it is characterised in that：Radiation patch（2）Master
Radiant body（3）Part is line structure, and remainder is face structure.
6. the ultra-wideband antenna of a kind of wire-board junction according to claim 1, it is characterised in that：The radiation patch（2）
It is one of the forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076463.7U CN206134932U (en) | 2016-09-23 | 2016-09-23 | Ultra -wideband antenna of line face bonding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076463.7U CN206134932U (en) | 2016-09-23 | 2016-09-23 | Ultra -wideband antenna of line face bonding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206134932U true CN206134932U (en) | 2017-04-26 |
Family
ID=58569714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621076463.7U Expired - Fee Related CN206134932U (en) | 2016-09-23 | 2016-09-23 | Ultra -wideband antenna of line face bonding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206134932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654547A (en) * | 2016-09-23 | 2017-05-10 | 南京信息工程大学 | Ultra wide band antenna of wire-board junction |
-
2016
- 2016-09-23 CN CN201621076463.7U patent/CN206134932U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654547A (en) * | 2016-09-23 | 2017-05-10 | 南京信息工程大学 | Ultra wide band antenna of wire-board junction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20180923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |