CN108448238A - A kind of bandwidth enhancement paster antenna with stabilising direction figure - Google Patents
A kind of bandwidth enhancement paster antenna with stabilising direction figure Download PDFInfo
- Publication number
- CN108448238A CN108448238A CN201810047739.6A CN201810047739A CN108448238A CN 108448238 A CN108448238 A CN 108448238A CN 201810047739 A CN201810047739 A CN 201810047739A CN 108448238 A CN108448238 A CN 108448238A
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- China
- Prior art keywords
- radiation patch
- antenna
- medium substrate
- bandwidth enhancement
- ground plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of bandwidth enhancement paster antennas with stabilising direction figure, belong to the technical field of antenna, including：Medium substrate（1）, radiation patch（2）, feed probes（4）And metal ground plate（5）, wherein medium substrate（1）A surface be equipped with radiation patch（2）And in medium substrate（1）Metal ground plate is covered on its symmetrical surface（5）；The radiation patch（2）Surface open up and be symmetric along its geometric center and be parallel to radiation patch（2）Non-radiant edged long straight trough（3）；Utilize feed probes（4）From metallic ground plate face（5）Across medium substrate（1）To radiation patch（2）It is fed.The present invention have many advantages, such as bandwidth enhancement, radiation characteristic are good, simple in structure, size is smaller, it is at low cost, easily fabricated, convenient for integrated.
Description
Technical field
The present invention relates to a kind of bandwidth enhancement paster antennas with stabilising direction figure, belong to the technical field of antenna.
Background technology
It is wirelessly communicating in radar system, antenna is that whole system signal " comes in and goes out to emit and receive electromagnetic wave
Mouthful ".The quality of antenna performance directly affects the communication process of whole system.It is small in order to meet wireless communications products, it takes
Band is convenient, and the requirements such as high stability, antenna accordingly should be towards planarization, miniaturization, broadband, large capacity, multi-functional etc.
Direction is developed.Microstrip antenna structure is simple, light weight, small, section is low, easy to manufacture and at low cost, is that a kind of comparison is new
Clever and rising antenna.
The development trend of wireless device requires antenna that can effectively work in wider frequency range.Therefore, wideband
Research with antenna is an important branch of field of antenna.Further, since the fast development of various wireless communication techniques, day
The important ring for being configured as the exploitation of its Related product of line, is faced with more and more challenges, especially in limited design
Multifunction and the miniaturization of antenna are realized in space.Therefore, it designs in the premise for not changing antenna area and radiation mode
The lower increased microstrip antenna of bandwidth has certain meaning.
Result of study is shown at present, and under the premise of not changing aerial radiation mechanism, the size of bandwidth enhancement and antenna becomes
It is small to get both.At the same time, for slot loaded antenna, domestic and foreign scholars pay close attention to mostly slot structure itself design method or
The Improvement in Shape of metal patch.The design method of wherein slot structure itself is partial to plus slot increases resonance manner to increase band
Width does not appear in also in currently available technology and has both bandwidth enhancement under the premise of not changing antenna size and antenna pattern is constant
The microstrip antenna of characteristic.
Invention content
It is a kind of with stabilising direction figure technical problem to be solved by the present invention lies in overcoming the deficiencies of the prior art and provide
Bandwidth enhancement paster antenna, solution bandwidth enhancement and antenna pattern constant spy are had both under the premise of not changing antenna size
The problem of property.
The present invention specifically uses following technical scheme to solve above-mentioned technical problem：
A kind of bandwidth enhancement paster antenna with stabilising direction figure, including：Medium substrate, radiation patch, feed probes and
Metal ground plate, wherein medium substrate a surface are equipped with radiation patch and are covered on the surface of medium substrate corresponding thereto
Metal ground plate；The surface of the radiation patch is opened up to be symmetric and to be parallel to radiation patch non-radiative along its geometric center
The long straight trough on side；Radiation patch is fed across medium substrate from metallic ground plate face using feed probes.
Further, as a preferred technical solution of the present invention：The quantity at least two of the long straight trough.
Further, as a preferred technical solution of the present invention：The long straight trough is rectangular recess.
Further, as a preferred technical solution of the present invention：The radiation patch is rectangle.
Further, as a preferred technical solution of the present invention：The size of the medium substrate and metal ground plate
It is identical.
Further, as a preferred technical solution of the present invention：The feeding classification of the antenna is back of the body feedback type.
The present invention uses above-mentioned technical proposal, can have the following technical effects：
The antenna of the present invention, by being provided with long straight trough in radiation patch, the two slots are rectangular recess, are parallel to radiation patch
Piece it is non-radiant edged and symmetrical about radiation patch geometric center, can maintain original paster antenna radiation mode and
Antenna pattern maintains preferable gain and increases effective bandwidth of operation of antenna.Using feed probes from medium substrate
Metallic ground plate face directly feeds radiation patch across medium substrate.This uses above-mentioned technical proposal, and there is bandwidth to increase
By force, the advantages that radiation characteristic is good, simple in structure, size is small, at low cost, easily fabricated, convenient for integrating.
Description of the drawings
Fig. 1 is the structural schematic diagram of inventive antenna.
Fig. 2 is the vertical view of inventive antenna.
Fig. 3 is the side view of inventive antenna.
Fig. 4 is S11 characteristic curve and original paster antenna S11 contrast schematic diagram of the present invention using the calculating of HFSS softwares.
Fig. 5 is the antenna E surface radiation directional diagrams that the present invention is calculated using HFSS softwares.
Fig. 6 is the antenna H surface radiation directional diagrams that the present invention is calculated using HFSS softwares.
Wherein Symbol explanation：Medium substrate 1, radiation patch 2, long straight trough 3, feed probes 4, metal ground plate 5.
Specific implementation mode
Embodiments of the present invention are described with reference to the accompanying drawings of the specification.
As shown in Fig. 1 and Fig. 2, Fig. 3, the present invention devises a kind of bandwidth enhancement paster antenna with stabilising direction figure,
The antenna of the structure includes medium substrate 1, radiation patch 2, long straight trough 3, feed probes 4 and metal ground plate 5, wherein medium
One surface of substrate 1 is close to be equipped with radiation patch 2, and pastes lid metal with its symmetrical surface make-up on medium substrate 1 and connect
Radiation patch 2 is located at the upper surface of medium substrate 1 in the present embodiment and metal ground plate 5 is located at medium substrate 1 by floor 5
Lower surface；It is provided with the long straight trough 3 that multiple quantity are even numbers in the radiation patch 2 and is provided with the long straight trough that multiple quantity are even numbers,
These quantity are symmetric for the long straight trough 3 of even numbers respectively about the geometric center of radiation patch 2, and in radiation patch 2
Both sides be respectively parallel to two of radiation patch 2 it is non-radiant edged；It connects to pass through from earth plate 5 from metal using feed probes 4 and be situated between
Matter substrate 1 directly feeds radiation patch 2.
In the present embodiment, the antenna of the structure uses the structure of two long straight troughs 3, but the present invention is not limited to this kind knots
The long straight trough 3 of structure, other quantity is equally applicable, but two quantity is best, under the premise of the radiation patch of the size, passes through
Emulation experiment and physical varification, long straight trough quantity can maximize enhancing bandwidth using two and maintain antenna pattern in bandwidth
Stablize.Preferably, described two long straight troughs 3 are rectangular recess, and groove long side is parallel to the non-radiant edged of radiation patch 2, and
Two geometric centers about radiation patch 2 are symmetrical.
And the radiation patch 2 is preferably adopted as rectangle.Further, the medium substrate 1 and metal ground plate 5
Size it is identical, in general, bandwidth and antenna size are conflicting variables, and can be more using identical size in the present invention
The effect of the good long straight trough of comparison, and conducive to cost-effective.
Also, the feeding classification of heretofore described antenna is back of the body feedback type, and back feed type feed feeder line is located at below earth plate,
It is small on aerial radiation influence, and position washability is more, reaches with the impedance of antenna conducive to feeder line and matches.
Do not change antenna size in order to verify the present invention and can realize and increase bandwidth, the function of maintaining directional diagram constant,
Spy enumerates a verification example and illustrates.
A kind of bandwidth enhancement paster antenna with stabilising direction figure of this verification example, selects dielectric constant for 4.4
FR4-epoxy materials make micro-strip substrate, thickness 1.6mm.The length of substrate is 60mm, width 60mm.Radiation patch is
Rectangular radiation patch, a length of 28.8mm, width 35mm, two slot bands are rectangular slits slot band, are opened in radiation patch surface, parallel
In the non-radiant edged of radiation patch, the geometric center about radiation patch is symmetric, slot band a length of 23.5mm, width 1mm,
The distance between two slots are 21.5mm.
Feeding classification of the present invention uses back feed type, that is, uses feed probes to pass through medium substrate directly right from metal ground plate
Radiation patch is fed, radiating side 6mm of the distributing point apart from radiation patch.The indices of the antenna are surveyed using HFSS softwares
Examination, the S11 performance diagrams of gained are as shown in Figure 4.As seen from the figure, -10dB working frequency range below is 2.3835GHz-
2.4810GHz.Fig. 5 and the antenna pattern shown in fig. 6 for antenna of the invention in the faces E and the faces H.
It can be seen that, it is using advantages of the present invention by aforementioned present invention preferred embodiment：Do not change antenna size and increases
Bandwidth maintains directional diagram constant, simple in structure, reduces processing cost.
To sum up, the present invention passes through medium substrate directly to radiation using feed probes from the metallic ground plate face of medium substrate
Patch is fed.The present invention have bandwidth enhancement, radiation characteristic is good, simple in structure, size is smaller, it is at low cost, easily fabricated,
The advantages that convenient for integrating.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes.
Claims (6)
1. a kind of bandwidth enhancement paster antenna with stabilising direction figure, which is characterized in that including：Medium substrate（1）, radiation patch
Piece（2）, feed probes（4）And metal ground plate（5）, wherein medium substrate（1）A surface be equipped with radiation patch（2）And
In medium substrate（1）Metal ground plate is covered on surface corresponding thereto（5）；The radiation patch（2）Surface open up along it
Geometric center is symmetric and is parallel to radiation patch（2）Non-radiant edged long straight trough（3）；Utilize feed probes（4）From gold
Belong to ground connection plate face（5）Across medium substrate（1）To radiation patch（2）It is fed.
2. the bandwidth enhancement paster antenna with stabilising direction figure according to claim 1, it is characterised in that：The long straight trough
（3）Quantity at least two.
3. the bandwidth enhancement paster antenna with stabilising direction figure according to claim 1, it is characterised in that：The long straight trough
（3）For rectangular recess.
4. the bandwidth enhancement paster antenna with stabilising direction figure according to claim 1, it is characterised in that：The radiation patch
Piece（2）For rectangle.
5. the bandwidth enhancement paster antenna with stabilising direction figure according to claim 1, it is characterised in that：The medium base
Plate（1）And metal ground plate（5）Size it is identical.
6. the bandwidth enhancement paster antenna with stabilising direction figure according to claim 1, it is characterised in that：The antenna
Feeding classification is back of the body feedback type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810047739.6A CN108448238A (en) | 2018-01-18 | 2018-01-18 | A kind of bandwidth enhancement paster antenna with stabilising direction figure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810047739.6A CN108448238A (en) | 2018-01-18 | 2018-01-18 | A kind of bandwidth enhancement paster antenna with stabilising direction figure |
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| Publication Number | Publication Date |
|---|---|
| CN108448238A true CN108448238A (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810047739.6A Pending CN108448238A (en) | 2018-01-18 | 2018-01-18 | A kind of bandwidth enhancement paster antenna with stabilising direction figure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841951A (en) * | 2019-01-16 | 2019-06-04 | 北京科技大学 | SF single feed axial ratio bandwidth enhances circular polarization microstrip antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0753897B1 (en) * | 1995-06-15 | 2001-12-05 | Nokia Mobile Phones Ltd. | Wideband double C-patch antenna including gap-coupled parasitic elements |
| CN203398271U (en) * | 2013-07-30 | 2014-01-15 | 广东华信金溢信息技术有限公司 | Antenna radiant panel and antenna provided therewith |
| CN204793214U (en) * | 2015-06-15 | 2015-11-18 | 张家港贸安贸易有限公司 | Microstrip antenna of high bandwidth |
| CN105071032A (en) * | 2015-08-25 | 2015-11-18 | 中国航空无线电电子研究所 | Miniaturization broadband microstrip antenna |
| CN204834856U (en) * | 2015-06-17 | 2015-12-02 | 张家港市华正进出口贸易有限公司 | Multifrequency microstrip antenna of high bandwidth |
-
2018
- 2018-01-18 CN CN201810047739.6A patent/CN108448238A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0753897B1 (en) * | 1995-06-15 | 2001-12-05 | Nokia Mobile Phones Ltd. | Wideband double C-patch antenna including gap-coupled parasitic elements |
| CN203398271U (en) * | 2013-07-30 | 2014-01-15 | 广东华信金溢信息技术有限公司 | Antenna radiant panel and antenna provided therewith |
| CN204793214U (en) * | 2015-06-15 | 2015-11-18 | 张家港贸安贸易有限公司 | Microstrip antenna of high bandwidth |
| CN204834856U (en) * | 2015-06-17 | 2015-12-02 | 张家港市华正进出口贸易有限公司 | Multifrequency microstrip antenna of high bandwidth |
| CN105071032A (en) * | 2015-08-25 | 2015-11-18 | 中国航空无线电电子研究所 | Miniaturization broadband microstrip antenna |
Non-Patent Citations (3)
| Title |
|---|
| H.M. CHEN等: "Experimental and simulation studies of the probe-fed double U-slot rectangular microstrip antenna", 《APMC 2001. 2001 ASIA-PACIFIC MICROWAVE CONFERENCE (CAT. NO.01TH8577)》 * |
| J. A. ANSARI等: "Broadband rectangular microstrip antenna loaded with a pair of U-shaped slot", 《 2010 INTERNATIONAL CONFERENCE ON POWER, CONTROL AND EMBEDDED SYSTEMS》 * |
| JAIVERDHAN等: "Analysis of Dual Band Double Slot Loaded Microstrip Patch Antenna", 《 2017 INTERNATIONAL CONFERENCE ON COMPUTER, COMMUNICATIONS AND ELECTRONICS (COMPTELIX)》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841951A (en) * | 2019-01-16 | 2019-06-04 | 北京科技大学 | SF single feed axial ratio bandwidth enhances circular polarization microstrip antenna |
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Application publication date: 20180824 |