CN205122769U - Antenna - Google Patents
Antenna Download PDFInfo
- Publication number
- CN205122769U CN205122769U CN201520838004.7U CN201520838004U CN205122769U CN 205122769 U CN205122769 U CN 205122769U CN 201520838004 U CN201520838004 U CN 201520838004U CN 205122769 U CN205122769 U CN 205122769U
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- Prior art keywords
- minor matters
- parasitic minor
- length
- parasitic
- antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
The utility model provides an antenna, antenna includes the medium base plate, locates the positive floor of radiating the paster and locating medium back of the substrate of medium base plate, the radiation paster passes through the microstrip line and connects in the radio frequency line, it has circular gap to open on the floor circular gap inward flange symmetry forms has the parasitic minor matters that extend to the gap inside right, and the antenna of this structure can suppress the interference of prearranged signals effectively, is suitable for different demands, and simple structure easily realizes, the practicality is high.
Description
Technical field
The utility model relates to antenna technical field, particularly a kind of antenna.
Background technology
Since in February, 2002 FCC (FCC) distribute frequency range 3.1-10.6GHz to ultra broadband use after, just more and more higher concern and attention are attracted at the radio communication technology of develop rapidly, but because the densification of modern communications frequency spectrum distributes, ultra wideband frequency has to face the interference of other narrow-band communication systems, as worldwide interoperability for microwave access (WiMAX:3.3-3.6GHz) and wireless local area (WLAN:5.15-5.825GHz), interference is once occur, communication system is cisco unity malfunction just, communication quality can be subject to serious impact, filter is used to suppress the interference signal in ultra wideband frequency to be an effective method, but its defect is the volume that can increase communication system, do not meet the requirement of some system compact, and the cost of hardware designs also can increase greatly, usually in the radiation patch or floor of ultra-wideband antenna, fluting is the method relatively commonly used, but technics comparing comparatively speaking of slotting on paster or floor is complicated, not easily realize.
Utility model content
The utility model will provide a kind of structure simple, is easy to realize, the antenna that effectively can suppress prearranged signals that practicality is high.
For solving the problems of the technologies described above, the utility model provides a kind of antenna, comprise medium substrate, be located at the radiation patch in medium substrate front and be located at the floor at the medium substrate back side, described radiation patch is connected to radio frequency line by microstrip line, described floor has circular gap, is symmetrically formed the parasitic minor matters pair extending to inside, gap at described circular slot edge.
Described parasitic minor matters are to comprising: for suppressing the first parasitic minor matters pair of predetermined first signal, and for suppressing second of predetermined secondary signal the parasitic minor matters pair, wherein, the length that the first parasitic minor matters are right is greater than the right length of the second parasitic minor matters.
Described first parasitic minor matters pair and described second parasitic minor matters are to being L font, the right length of described first parasitic minor matters corresponding to the centre frequency of the first signal wavelength 1/4th, the right length of described second parasitic minor matters corresponding to the centre frequency of secondary signal wavelength 1/4th.
Described first signal is worldwide interoperability for microwave access WiMAX signal, and described secondary signal is WLAN (wireless local area network) WLAN signal.
The length that described first parasitic minor matters are right is 9.2mm, width is 0.5mm, symmetrical spacing is 9mm, with the center of circle spacing 11.7mm in described circular gap, the length that described second parasitic minor matters are right is 7.8mm, width is 0.6mm, and symmetrical spacing is 19mm, with the center of circle spacing 12.8mm in described circular gap.
The radius in described circular gap is 14mm.
The regular hexagon of described radiation patch to be the length of side be 8.9mm.
Described microstrip line, its width is 2.6mm.
Described medium substrate is dielectric constant is 4.4, length is 40mm, and width is 30mm, and the resistance to combustion grade that thickness is 1.4mm, loss tangent is 0.02 is the baseplate material of FR4.
Antenna involved by the utility model, wherein, described parasitic minor matters to being only a pair for suppressing the trixenie minor matters pair of prearranged signals, the right length of described trixenie minor matters corresponding to the centre frequency of described prearranged signals wavelength 1/4th.
Technique scheme of the present utility model, i.e. opened round gap on the floor of substrate back, parasitic minor matters pair are offered in circular gap, stopband to prearranged signals can be formed by regulating the size of parasitic minor matters, effectively can realize the inhibitory action to prearranged signals, and, this structure is easy to realize, structure is also simple, PCB technology and electronic printing technique is used to realize easily, further, can increase or reduce the suppression that the right logarithm of parasitic minor matters realizes different prearranged signals, different demands can be suitable for, there is very strong applicability and very high practicality.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is the right view of the utility model embodiment;
Fig. 3 is the rearview of the utility model embodiment;
Fig. 4 is the overall structure schematic diagram of the utility model embodiment;
Fig. 5 is the VSWR of the utility model embodiment and the simulation curve figure of frequency;
Fig. 6 to Fig. 8 is simulated radiation directional diagram of the present utility model;
Fig. 9 is the structure chart of the utility model embodiment when only having a pair symmetrical parasitic minor matters pair.
[main element symbol description]
1-radiation patch; 2-medium substrate; 3-microstrip line; 4-floor; The parasitic minor matters pair of 5-first; The parasitic minor matters pair of 6-second; The circular gap of 7-; 8-trixenie minor matters pair.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model, for existing problem, provides a kind of interference that effectively can suppress prearranged signals, and structure is simple, is easy to realize, the antenna that practicality is high.
As shown in Figures 1 to 4, comprise medium substrate 2, be located at the radiation patch 1 in medium substrate 2 front and be located at the floor 4 at medium substrate 2 back side, described radiation patch 1 is connected to radio frequency line by microstrip line 3, wherein, described microstrip line 3 and radio frequency line are connected by 50 Ω SMA heads, and namely the first end of 50 Ω SMA connects microstrip line 3, the other end connects radio frequency line, wherein, SMA head is antenna rf joint, connects with radio frequency line.Described floor 4 has circular gap 7, symmetrical, to extend inside, the gap parasitic minor matters pair for suppressing prearranged signals are formed at described circular gap 7 inward flange, by offering parasitic minor matters pair on circular gap 7, form the stopband to prearranged signals, effectively can realize the inhibitory action to prearranged signals, and this structure is easy to realize, and structure is also simple.
Preferably, described parasitic minor matters comprise: for suppressing the first parasitic minor matters of predetermined first signal to 5, and for suppressing second of predetermined secondary signal the parasitic minor matters to 6, wherein, the centre frequency of the first signal is less than the centre frequency of secondary signal, the first parasitic minor matters to 5 length be greater than the second parasitic minor matters to 6 length.
Preferably, described first parasitic minor matters to 5 length corresponding to the centre frequency of the first signal wavelength 1/4th, described second parasitic minor matters to 6 length corresponding to the centre frequency of secondary signal wavelength 1/4th.
Further, described first signal is worldwide interoperability for microwave access WiMAX signal, and described secondary signal is WLAN (wireless local area network) WLAN signal.
Concrete, described first parasitic minor matters are L font (include a long limit and a minor face) with described second parasitic minor matters to 6 to 5, described first parasitic minor matters are 9.2mm to the length (i.e. the length on the long limit of parasitic minor matters) of 5, width is 0.5mm, symmetrical spacing (i.e. distance between the minor face end of two symmetrical parasitic minor matters) is 9mm, and the center of circle spacing in the described circular gap 7 (distance namely between this center of circle and the long limit of parasitic minor matters, the long limit of parasitic minor matters is normally one section of circular arc in self center of circle with the center of circle in this circular gap 7) 11.7mm, described second parasitic minor matters are 7.8mm to the length (i.e. the length on the long limit of parasitic minor matters) of 6, width is 0.6mm, symmetrical spacing (i.e. distance between the minor face end of two symmetrical parasitic minor matters) is 19mm, and the center of circle spacing in the described circular gap 7 (distance namely between this center of circle and the long limit of parasitic minor matters, the long limit of parasitic minor matters is normally one section of circular arc in self center of circle with the center of circle in this circular gap 7) 12.8mm.
The radius in described circular gap 7 is 14mm.
Described radiation patch 1 for the length of side be the regular hexagon of 8.9mm.
Described microstrip line 3, its width is 2.6mm.
Described medium substrate 2 for dielectric constant be 4.4, length is 40mm, width is 30mm, the resistance to combustion grade that thickness is 1.4mm, loss tangent is 0.02 is the baseplate material of FR4, FR4 is a kind of code name of flame resistant material grade, the representative resin material that is meant to must a kind of material specification of self-extinguish through fired state, it is not a kind of title material, but a kind of material rate.
Optionally, as shown in Figure 9, described parasitic minor matters only can also comprise a pair for suppressing the trixenie minor matters of prearranged signals to 8, described trixenie minor matters to 8 length corresponding to the centre frequency of described prearranged signals wavelength 1/4th.Further, by increasing or reduce the suppression that the right logarithm of parasitic minor matters realizes different prearranged signals, wherein, / 4th of a wavelength corresponding to the centre frequency that the length that involved parasitic minor matters are right meets the signal that will suppress, the antenna designed with this frame mode can be suitable for different demands, have very strong applicability and very high practicality, wherein, the prearranged signals described in the utility model is one or more in the narrow band signal for ultra-broadband signal.
Final parameter combinations is determined by regulating the size of minor matters, 3 D electromagnetic simulation software AnsoftHFSS13.0 is utilized to emulate and optimal design antenna, obtain the VSWR of antenna and the relation between voltage standing wave ratio and frequency, as shown in Figure 5, to not establishing parasitic minor matters to the antenna under state, only establish the first parasitic minor matters to the antenna under 5 states and arrange simultaneously the first parasitic minor matters to 5 and second parasitic minor matters the antenna under 6 states is emulated respectively to the antenna 1 obtained in Fig. 5, antenna 2, antenna 3, antenna 1 meets VSWR in 2.2-12GHz frequency range and voltage standing wave ratio is less than 2, 2, antenna achieves the trap of 2.7-3.7GHz, antenna 3 furthermore achieved that the trap of 4.9-6.0GHz.Thus obtain the antenna with two trap characteristic.As can be seen from the figure this antenna achieves the shielding action of the signal disturbing to WiMAX and WLAN place frequency range preferably.
Can draw the surface current situation of this antenna in trap place center frequency point by experiment, at 3.5GHz place, the parasitic minor matters of long L font are to CURRENT DISTRIBUTION Relatively centralized, and this shows that this structure plays main inhibitory action for the interference of WiMAX system; And at 5.5GHz place, surface current is almost all distributed in the parasitic minor matters of short L font to upper, this demonstrates the suppression of this structure to the interference of wlan system medium-high frequency section and play main contribution function.
Fig. 6 to Fig. 8 sets forth antenna at 3GHz, the E face of 4.5GHz and 8GHz and H face simulated radiation directional diagram, wherein E face refers to the face at the maximum direction of radiation and electric field place, H face refers to the plane at magnetic field and place, greatest irradiation direction, as can be seen from the figure, the simulated radiation directional diagram of this antenna is substantially similar with symmetrical dipole, shows good radiation characteristic on the whole, omni-directional superior performance.
Technique scheme of the present utility model, i.e. opened round gap on the floor of substrate back, parasitic minor matters pair are offered in circular gap, stopband to prearranged signals can be formed by regulating the size of parasitic minor matters, effectively can realize the inhibitory action to prearranged signals, and, this structure is easy to realize, structure is also simple, PCB technology and electronic printing technique is used to realize easily, further, can increase or reduce the suppression that the right logarithm of parasitic minor matters realizes different prearranged signals, different demands can be suitable for, there is very strong applicability and very high practicality.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. an antenna, it is characterized in that, described antenna comprises medium substrate (2), is located at the radiation patch (1) in medium substrate (2) front and is located at the floor (4) at medium substrate (2) back side, described radiation patch (1) is connected to radio frequency line by microstrip line (3), described floor (4) has circular gap (7), be symmetrically formed at described circular gap (7) edge the parasitic minor matters pair extending to inside, gap.
2. antenna according to claim 1, it is characterized in that, described parasitic minor matters are to comprising: for suppressing the first parasitic minor matters of predetermined first signal to (5), and for suppressing second of predetermined secondary signal the parasitic minor matters to (6), wherein, the length of the first parasitic minor matters to (5) is greater than the second parasitic minor matters to the length of (6).
3. antenna according to claim 2, it is characterized in that, described first parasitic minor matters to the length of (5) corresponding to the centre frequency of the first signal wavelength 1/4th, described second parasitic minor matters to the length of (6) corresponding to the centre frequency of secondary signal wavelength 1/4th.
4. antenna according to claim 3, is characterized in that, described first signal is worldwide interoperability for microwave access WiMAX signal, and described secondary signal is WLAN (wireless local area network) WLAN signal.
5. antenna according to claim 4, it is characterized in that, described first parasitic minor matters are L font to (5) and described second parasitic minor matters to (6), described first parasitic minor matters are 9.2mm to the length of (5), width is 0.5mm, symmetrical spacing is 9mm, with the center of circle spacing 11.7mm of described circular gap (7), described second parasitic minor matters are 7.8mm to the length of (6), width is 0.6mm, symmetrical spacing is 19mm, with the center of circle spacing 12.8mm of described circular gap (7).
6. antenna according to claim 5, is characterized in that, the radius of described circular gap (7) is 14mm.
7. antenna according to claim 6, is characterized in that, described radiation patch (1) for the length of side be the regular hexagon of 8.9mm.
8. antenna according to claim 7, is characterized in that, described microstrip line (3), and its width is 2.6mm.
9. antenna according to claim 8, is characterized in that, described medium substrate (2) for dielectric constant be 4.4, length is 40mm, width is 30mm, and the resistance to combustion grade that thickness is 1.4mm, loss tangent is 0.02 is the baseplate material of FR4.
10. antenna according to claim 1, it is characterized in that, described parasitic minor matters to being only a pair for suppressing the trixenie minor matters of prearranged signals to (8), described trixenie minor matters to the length of (8) corresponding to the centre frequency of described prearranged signals wavelength 1/4th.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520838004.7U CN205122769U (en) | 2015-10-27 | 2015-10-27 | Antenna |
| PCT/CN2016/086256 WO2016198000A1 (en) | 2015-10-27 | 2016-06-17 | Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520838004.7U CN205122769U (en) | 2015-10-27 | 2015-10-27 | Antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205122769U true CN205122769U (en) | 2016-03-30 |
Family
ID=55578349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520838004.7U Expired - Fee Related CN205122769U (en) | 2015-10-27 | 2015-10-27 | Antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205122769U (en) |
| WO (1) | WO2016198000A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016198000A1 (en) * | 2015-10-27 | 2016-12-15 | 中兴通讯股份有限公司 | Antenna |
| CN109994810A (en) * | 2019-05-06 | 2019-07-09 | 吉林大学 | A kind of three frequency range slot antennas for GPS/WiMAX/WLAN system |
| CN113078465A (en) * | 2021-03-08 | 2021-07-06 | 电子科技大学 | Dual-port ultra-wideband MIMO antenna capable of realizing wideband decoupling |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216912B (en) * | 2018-10-18 | 2024-04-26 | 吉林医药学院 | Flower-shaped feed source terminal multi-frequency microstrip antenna loaded with hexagonal ring parasitic branches |
| CN112271440B (en) * | 2020-10-28 | 2023-11-21 | 南京信息工程大学 | Dual-band multi-mode low-profile antenna |
| CN112701489B (en) * | 2020-12-14 | 2022-04-12 | 深圳大学 | Band-pass frequency selection surface structure based on antenna-filter-antenna |
| CN113922062A (en) * | 2021-10-14 | 2022-01-11 | 辽宁工程技术大学 | Heavy concave wave ultra-wideband antenna |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104193B (en) * | 2010-12-01 | 2015-04-01 | 中兴通讯股份有限公司 | Multiple input multiple output antenna system |
| CN203180062U (en) * | 2013-01-14 | 2013-09-04 | 中国计量学院 | Double-frequency microstrip antenna of circular wide-slit coupling structure |
| CN103441327B (en) * | 2013-08-28 | 2015-05-27 | 电子科技大学 | Multi-notch ultra wide band antenna |
| CN203674376U (en) * | 2013-10-29 | 2014-06-25 | 广州杰赛科技股份有限公司 | Broadband omnidirectional antenna |
| CN103762413B (en) * | 2013-12-31 | 2015-08-26 | 电子科技大学 | Ultrawide-band trap antenna |
| CN205122769U (en) * | 2015-10-27 | 2016-03-30 | 中兴通讯股份有限公司 | Antenna |
-
2015
- 2015-10-27 CN CN201520838004.7U patent/CN205122769U/en not_active Expired - Fee Related
-
2016
- 2016-06-17 WO PCT/CN2016/086256 patent/WO2016198000A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016198000A1 (en) * | 2015-10-27 | 2016-12-15 | 中兴通讯股份有限公司 | Antenna |
| CN109994810A (en) * | 2019-05-06 | 2019-07-09 | 吉林大学 | A kind of three frequency range slot antennas for GPS/WiMAX/WLAN system |
| CN113078465A (en) * | 2021-03-08 | 2021-07-06 | 电子科技大学 | Dual-port ultra-wideband MIMO antenna capable of realizing wideband decoupling |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016198000A1 (en) | 2016-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20161027 |