CN208014902U - A kind of multifrequency microstrip antenna - Google Patents
A kind of multifrequency microstrip antenna Download PDFInfo
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- CN208014902U CN208014902U CN201820271764.8U CN201820271764U CN208014902U CN 208014902 U CN208014902 U CN 208014902U CN 201820271764 U CN201820271764 U CN 201820271764U CN 208014902 U CN208014902 U CN 208014902U
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- dielectric
- slab
- bullion
- metal patch
- probe
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Abstract
The utility model discloses a kind of multifrequency microstrip antennas.Including：Dielectric-slab, probe, bullion, metal patch；Bullion is printed on dielectric-slab upper surface；Probe passes through one end of dielectric-slab connection bullion, the other end to connect feed port.The utility model has the advantage of：Can fabulous impedance matching be realized in two frequency ranges simultaneously, single port output, the function of inputting multiple frequency band signals can be achieved, antenna can realize that double-fed is fed simultaneously, circular polarisation is functional, and design structure is simple, realizes processing efficient, to the material parameter and formal parameter of two layer medium without particular/special requirement, engineering is easily realized, realizes the wide dual-band antenna design of frequency ratio range, while this method has universality.
Description
Technical field
The utility model belongs to antenna technical field, more particularly to a kind of multifrequency microstrip antenna.
Background technology
Antenna is the important component in wireless communication system, has and is transformed into the guided wave propagated on transmission line
The ability for the electromagnetic wave propagated in unbounded medium.Microstrip antenna is a kind of important antenna form, and electricity is carried out by radiation patch
The transmitting-receiving of magnetic wave, performance simple in structure are good.
With the continuous development of antenna, a kind of multifrequency microstrip antenna is suggested.The antenna of the form can be worked at the same time two
The different frequency range of kind, radiates circularly polarised wave, while the signal of different frequency range is communicated by the same port with radio-frequency front-end.
In the late four decades, scholars both domestic and external study and improve the theory and design of multifrequency microstrip antenna.One of which
Main design method is realized by using the form of stacked microstrip antenna, and two layers of microband paste is respectively operated in different frequencies
Section, upper layer antenna are fed by the direct-connected mode of probe, and the mode of lower layer's antenna through hole coupling is fed.Probe
The impedance matching of position and multiple frequency ranges have it is inevitable contact, in order to realize the impedance matching of multiple frequency ranges, following several sides
Formula is suggested：One, realize that patch matches simultaneously up and down by the position of mobile upper layer patch, this method major defect is pasted for upper layer
Piece offset lower layer's patch center influences its antenna radiation performance, and it is preferably double that another aspect this method is not used to circular polarisation performance
Feedback design；Two, fluting load etc. processing are carried out to patch and realize that matching, same this method influence the radiance of antenna, also without
Method is designed for double-fed；Three, compromise is handled, and this method can not realize that two frequency band matchs are good, influence radiance simultaneously；Four,
Optimize the material parameter and formal parameter of levels dielectric-slab, and then realize that multiple frequency ranges match simultaneously, the main of this method lacks
It falls into as realization process is time-consuming, inefficient, workload is larger, and can not ensure that the material of optimization is retrievable in engineering processing.
Currently, for multifrequency microstrip antenna, it is still required for a kind of efficient design method, not only can guarantee the radiance of antenna, but also tool
There is engineering easy implementation.
Utility model content
The utility model in view of the drawbacks of the prior art, provides a kind of multifrequency microstrip antenna.
The technical solution that the utility model is taken is as follows：
A kind of multifrequency microstrip antenna, including：Metal floor 1, dielectric-slab A3, metal patch A4, is situated between double-fed feeding network 2
Scutum B5, metal patch B6, two probe A7, two probe B8, bullion A9 and bullion B10；
1 upper surface of the metal floor is installed by double-fed feeding network 2；
The dielectric-slab A3 is mounted on 2 surface of double-fed feeding network；
The metal patch A4 areas are less than dielectric-slab A3, and metal patch A4 is printed on the surfaces dielectric-slab A3；
The dielectric-slab B5 areas are less than metal patch A4, and dielectric-slab B5 is mounted on the surfaces metal patch A4；
The metal patch B6 areas are less than dielectric-slab B5, and metal patch B6 is printed on the surfaces dielectric-slab B5；
The dielectric-slab A3 is opened on surface there are two the trepanning for extending vertically through dielectric-slab A3, which is used to place two probes
A7；
The dielectric-slab B5 is opened on surface there are two the trepanning for extending vertically through dielectric-slab B5, which is used to place two probes
B8；
The surfaces the metal patch A4 are provided with bar-shaped trough, bullion A9, bullion B10 and bar-shaped trough shape
Match, but the area of bullion A9 and bullion B10 are less than bar-shaped trough, bullion A9 and bullion B10 pass through bar shaped
The hollow space of slot is connect with dielectric-slab A3, and bullion A9 and bullion B10 are not contacted with metal patch A4；
The tops two probe A7 are connect with one end of bullion A9 and bullion B10 respectively, two probe B8
Bottom end is connect with the other end of bullion A9 and bullion B10.
Two bottom ends probe A7 are connect with double-fed feeding network 2, and two tops probe B8 are connect with metal patch B6.
Further, the metal patch A4 extends around tuning detail A11, extends not more than the side of dielectric-slab A3.
Further, the metal patch B6 extends around tuning detail B12, extends not more than the side of dielectric-slab B5.
Compared with prior art, the utility model has the advantage of：Can fabulous impedance matching be realized in two frequency ranges simultaneously,
Design structure is simple, realizes processing efficient, and to the material parameter and formal parameter of two layer medium without particular/special requirement, engineering is easily real
Now, it can be achieved that the dual-band antenna of arbitrary frequency ratio designs, while this method has universality, can be used for double-fed design, it can also be used to
Single feedback design.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the vertical view of the metal patch A of the utility model embodiment；
Fig. 3 is the vertical view of the metal patch B of the utility model embodiment；
Fig. 4 is the antenna reflection coefficient curve graph of the utility model embodiment；
Fig. 5 is the x-z surface radiation directional diagrams corresponding to antenna the first resonant frequency frequency in the utility model embodiment；
Fig. 6 is the x-z surface radiation directional diagrams corresponding to antenna the second resonant frequency frequency in the utility model embodiment；
Fig. 7 is antenna reflection coefficient curve graph when adjusting irradiation structure matching in upper layer in the utility model embodiment；
Fig. 8 is antenna reflection coefficient curve graph when adjusting lower layer's irradiation structure matching in the utility model embodiment.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, develop simultaneously implementation referring to the drawings
Example, is described in further details the utility model.
As shown in Figure 1, 2, 3, a kind of multifrequency microstrip antenna, including：Metal floor 1, double-fed feeding network 2, dielectric-slab A3,
Metal patch A4, dielectric-slab B5, metal patch B6, two probe A7, two probe B8, bullion A9, bullion B10；
The metal floor 1 is identical as 2 area of double-fed feeding network, and double-fed feeding network is installed in 1 upper surface of metal floor
2；
The dielectric-slab A3 areas are less than double-fed feeding network 2, and dielectric-slab A3 is mounted on 2 surface of double-fed feeding network；
The metal patch A4 areas are less than dielectric-slab A3, and metal patch A4 is printed on the surfaces dielectric-slab A3；
The dielectric-slab B5 areas are less than metal patch A4, and dielectric-slab B5 is mounted on the surfaces metal patch A4；
The metal patch B6 areas are less than dielectric-slab B5, and metal patch B6 is printed on the surfaces dielectric-slab B5；
The dielectric-slab A3 is opened on surface there are two the trepanning for extending vertically through dielectric-slab A3, which is used to place two probes
A7；
The dielectric-slab B5 is opened on surface there are two the trepanning for extending vertically through dielectric-slab B5, which is used to place two probes
B8；
The surfaces the metal patch A4 are provided with bar-shaped trough, bullion A9, bullion B10 and bar-shaped trough shape
Match, but the area of bullion A9 and bullion B10 are less than bar-shaped trough, bullion A9 and bullion B10 pass through bar shaped
The hollow space of slot is connect with dielectric-slab A3, and bullion A9 and bullion B10 are not contacted with metal patch A4；
The tops two probe A7 are connect with one end of bullion A9 and bullion B10 respectively, two probe B8
Bottom end is connect with the other end of bullion A9 and bullion B10.
Two bottom ends probe A7 are connect with double-fed feeding network 2, and two tops probe B8 are connect with metal patch B6.
As shown in Fig. 2, the metal patch A4 extends around tuning detail A11.
As shown in figure 3, the metal patch B6 extends around tuning detail B12.
The position of the probe A7 and probe B8 depends on initial design；It can be existed by changing probe A7 and probe B8
It is good to realize that multiband matches simultaneously for position in dielectric-slab A3 and dielectric-slab B5.
For designing double-fed microstrip antenna, bullion A9 and the most preferred schemes of bullion B10 are to be located at diagonal line
On or metal patch A4 side perpendicular bisector on；For the single feedback microstrip antenna of design, initial design is depended entirely on, is needed
Want different location also different, the example of the utility model is double-fed microstrip antenna.
The reflection coefficient curve of the utility model embodiment antenna in centre frequency is as shown in figure 4, antenna exists
1.268GHz and 1.558GHz generates resonance, and reflectance factor is in -30dB hereinafter, matching is good.
X-Z plane right-handed circular polarization antenna pattern corresponding to the utility model embodiment resonant frequency 1.268GHz is such as
Shown in Fig. 5, normal direction right-handed circular polarization gain 4.2dB, antenna is in 1.268GHz circular polarisation function admirables.
X-Z plane right-handed circular polarization antenna pattern corresponding to the utility model embodiment resonant frequency 1.558GHz
As shown in fig. 6, normal direction right-handed circular polarization gain 4.9dB, antenna is in 1.558GHz circular polarisation function admirables.
The utility model embodiment individually adjusts the matching of the places 1.268GHz as shown in fig. 7, can be by novel mating structure
Under the premise of match condition is good at holding 1.558GHz, change the match condition at 1.268GHz.
The utility model embodiment individually adjusts the matching of the places 1.558GHz as shown in figure 8, can be by novel mating structure
Under the premise of match condition is good at holding 1.268GHz, change the match condition at 1.558GHz.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this reality
With novel implementation, it should be understood that the scope of protection of the utility model is not limited to such special statement and implementation
Example.Those skilled in the art can make according to the technical disclosures disclosed by the utility model various does not depart from this reality
With novel substantive various other specific variations and combinations, these variations and combinations are still in the scope of protection of the utility model
It is interior.
Claims (3)
1. a kind of multifrequency microstrip antenna, which is characterized in that including：Metal floor (1), double-fed feeding network (2), dielectric-slab A
(3), metal patch A (4), dielectric-slab B (5), metal patch B (6), two probe A (7), two probe B (8), bullion A
(9) and bullion B (10)；
Metal floor (1) the upper surface installation double-fed feeding network (2)；
The dielectric-slab A (3) is mounted on double-fed feeding network (2) surface；
Metal patch A (4) area is less than dielectric-slab A (3), and metal patch A (4) is printed on dielectric-slab A (3) surface；
Dielectric-slab B (5) area is less than metal patch A (4), and dielectric-slab B (5) is mounted on metal patch A (4) surface；
Metal patch B (6) area is less than dielectric-slab B (5), and metal patch B (6) is printed on dielectric-slab B (5) surface；
Dielectric-slab A (3) surface is opened there are two the trepanning for extending vertically through (3) dielectric-slab A, which is used to place two probes
A(7)；
Dielectric-slab B (5) surface is opened there are two the trepanning for extending vertically through (5) dielectric-slab B, which is used to place two probes
B(8)；
Metal patch A (4) surface is provided with bar-shaped trough, bullion A (9), bullion B (10) and bar-shaped trough shape
Match, but the area of bullion A (9) and bullion B (10) are less than bar-shaped trough, bullion A (9) and bullion B (10)
Connect with dielectric-slab A (3) by the hollow space of bar-shaped trough, bullion A (9) and bullion B (10) not with metal patch A
(4) it contacts；
Two probe A (7) top is connect with one end of bullion A (9) and bullion B (10) respectively, two probe B
(8) bottom end is connect with the other end of bullion A (9) and bullion B (10)；
Two (7) bottom ends probe A are connect with double-fed feeding network (2), and two (8) tops probe B are connect with metal patch B (6).
2. a kind of multifrequency microstrip antenna according to claim 1, it is characterised in that：The metal patch A (4) extends around
Detail A (11) is tuned, the side of (3) dielectric-slab A is extended not more than.
3. a kind of multifrequency microstrip antenna according to claim 1, it is characterised in that：The metal patch B (6) extends around
Detail B (12) is tuned, the side of (5) dielectric-slab B is extended not more than.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820271764.8U CN208014902U (en) | 2018-02-26 | 2018-02-26 | A kind of multifrequency microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820271764.8U CN208014902U (en) | 2018-02-26 | 2018-02-26 | A kind of multifrequency microstrip antenna |
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| Publication Number | Publication Date |
|---|---|
| CN208014902U true CN208014902U (en) | 2018-10-26 |
Family
ID=63886888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820271764.8U Withdrawn - After Issue CN208014902U (en) | 2018-02-26 | 2018-02-26 | A kind of multifrequency microstrip antenna |
Country Status (1)
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|---|---|
| CN (1) | CN208014902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461919A (en) * | 2018-02-26 | 2018-08-28 | 成都北斗天线工程技术有限公司 | A kind of multifrequency microstrip antenna and its impedance matching adjusting method |
| CN110707437A (en) * | 2019-10-25 | 2020-01-17 | 中国计量大学 | Terahertz dual-band absorber based on plastic cone frustum structure |
-
2018
- 2018-02-26 CN CN201820271764.8U patent/CN208014902U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461919A (en) * | 2018-02-26 | 2018-08-28 | 成都北斗天线工程技术有限公司 | A kind of multifrequency microstrip antenna and its impedance matching adjusting method |
| CN108461919B (en) * | 2018-02-26 | 2023-07-21 | 成都北斗天线工程技术有限公司 | Multi-frequency microstrip antenna and impedance matching adjustment method thereof |
| CN110707437A (en) * | 2019-10-25 | 2020-01-17 | 中国计量大学 | Terahertz dual-band absorber based on plastic cone frustum structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multifrequency microstrip antenna Effective date of registration: 20211224 Granted publication date: 20181026 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: CHENGDU BEIDOU ANTENNA ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2021990001200 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20230721 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20230721 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230717 Granted publication date: 20181026 Pledgee: The Agricultural Bank of Chengdu branch of Limited by Share Ltd. Chinese Sichuan Pledgor: CHENGDU BEIDOU ANTENNA ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2021990001200 |