CN106356621A - Microstrip antenna - Google Patents
Microstrip antenna Download PDFInfo
- Publication number
- CN106356621A CN106356621A CN201610946600.6A CN201610946600A CN106356621A CN 106356621 A CN106356621 A CN 106356621A CN 201610946600 A CN201610946600 A CN 201610946600A CN 106356621 A CN106356621 A CN 106356621A
- Authority
- CN
- China
- Prior art keywords
- radiation patch
- metal micro
- strip
- strip radiation
- medium substrate
- 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
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Classifications
-
- 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
- H01Q13/085—Slot-line radiating ends
Landscapes
- Waveguide Aerials (AREA)
Abstract
The invention discloses a microstrip antenna. The microstrip antenna comprises a dielectric substrate, a metallic microstrip radiation patch I and a metallic microstrip radiation patch II, wherein the metallic microstrip radiation patch I and the metallic microstrip radiation patch II are respectively arranged on the upper surface of the dielectric substrate; a groove is arranged between the metallic microstrip radiation patch I and the metallic microstrip radiation patch II; the lower end of the metallic microstrip radiation patch I and the upper end of the metallic microstrip radiation patch II are curved, and the two curves are parallel and are sine curves; and a feeding transmission line is respectively connected with the metallic microstrip radiation patch I and the metallic microstrip radiation patch II from the back surfaces by passing through the dielectric substrate through a welding technology. The microstrip antenna disclosed by the invention has the advantages that the structure is simple, the appearance is beautiful, the realization is easy, the implementation is simple, the process is matured, the automation degree is high, the production cost is low, and the application range is wider.
Description
Technical field
The present invention relates to antenna technical field, specifically a kind of microstrip antenna.
Background technology
Microstrip antenna (microstrip antenna) is on a thin-medium substrate, simultaneously encloses thin metal layer conduct
Earth plate, another side makes the metal patch of definite shape with photoetching caustic solution, using microstrip line or coaxial probe to paster
The antenna that feed is constituted.Microstrip antenna is divided into: patch shape is an elongated strip, then for micro-strip oscillator antenna；Paster is one
During surface elemant, then for microstrip antenna；If earth plate being carved gap, and the another side in dielectric substrate printing out microstrip line
When, cutler feed, then constitute microstrip slot antenna.Microstrip antenna has the advantages that miniaturization, easy of integration, good directionality, therefore
It has a extensive future.But there is complex structure in existing microstrip antenna, processing cost is high, the scope of application is little, be difficult
The shortcoming realized.
Content of the invention
It is an object of the invention to provide a kind of microstrip antenna, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of present invention offer:
A kind of microstrip antenna, including medium substrate, metal micro-strip radiation patch and metal micro-strip radiation patch；Described metal
Micro-strip radiation patch and metal micro-strip radiation patch are installed in the upper surface of medium substrate, metal micro-strip radiation patch position
It is provided with groove between the top of metal micro-strip radiation patch, metal micro-strip radiation patch and metal micro-strip radiation patch,
Described metal micro-strip radiation patch lower end and metal micro-strip radiation patch upper end are curve shape, and two oriented parallel,
Described curve is sine curve；Feeding transmission line passes through medium substrate and metal micro-strip radiation patch and metal by the back side respectively
Micro-strip radiation patch is connected by solder technology.
As the present invention further scheme: described metal micro-strip radiation patch and metal micro-strip radiation patch are
Formed by groove incising circular metal micro-strip radiation patch, and circular metal micro-strip radiation patch is located at the central part of medium substrate
Position.
As the present invention further scheme: the relative dielectric constant of described medium substrate is 2-8, Jie of medium substrate
Electrical loss angle tangent is less than or equal to 10-3.
Compared with prior art, the invention has the beneficial effects as follows:
The microstrip antenna structure of the present invention is simple, it is easy to accomplish, single layer printed circuit plate technique can achieve；Can be used as short distance
Beam antenna, works in wifi antenna high band；Implement simply, technical maturity, high degree of automation, low production cost, its
It is easy to integrated with Wireless Telecom Equipment, range of application is wider；In addition, this microstrip antenna also has good looking appearance, long service life
Advantage.
Brief description
Fig. 1 is the structural representation of the embodiment 1 of microstrip antenna.
Fig. 2 is the impedance characteristic schematic diagram of the embodiment 1 of microstrip antenna.
Fig. 3 is one of direction schematic diagram of embodiment 1 of microstrip antenna.
Fig. 4 is the two of the direction schematic diagram of embodiment 1 of microstrip antenna.
Fig. 5 is the structural representation of the embodiment 2 of microstrip antenna.
Fig. 6 is the embodiment 1 of microstrip antenna and the impedance characteristic schematic diagram of embodiment 2.
Wherein: 1- medium substrate；21- metal micro-strip radiation patch；22- metal micro-strip radiation patch；3- groove.
Specific embodiment
With reference to specific embodiment, the technical scheme of this patent is described in more detail.
Embodiment 1
Refer to Fig. 1-4, a kind of microstrip antenna, including the radiation of medium substrate 1, metal micro-strip radiation patch 21 and metal micro-strip
Paster 22；Described metal micro-strip radiation patch 21 and metal micro-strip radiation patch 22 are installed in the upper table of medium substrate 1
Face, the relative dielectric constant of described medium substrate 1 is 2-8, and the dielectric loss angle tangent of medium substrate 1 is less than or equal to 10-3；Gold
Belong to top, metal micro-strip radiation patch 21 and the metal micro-strip that micro-strip radiation patch 21 is located at metal micro-strip radiation patch 22
It is provided with groove 3, on described metal micro-strip radiation patch 21 lower end and metal micro-strip radiation patch 2 between radiation patch 22
End is curve shape, and two oriented parallel, and described curve is sine curve, and described sine curve is 1 sinusoidal cycles
Sine curve, groove 3 does not act on to medium substrate 1 generation；This microstrip antenna adopts balanced type feeding classification, and feeding transmission line divides
Medium substrate 1 is not passed through to connect by solder technology with metal micro-strip radiation patch 21 and metal micro-strip radiation patch 2 by the back side
Connect, the performance of antenna is with reference to Fig. 2-4.Described metal micro-strip radiation patch 21 and metal micro-strip radiation patch 22 are by groove 3
Incising circular metal micro-strip radiation patch forms, and circular metal micro-strip radiation patch is located at the centre of medium substrate 1；Institute
The radius stating circular metal micro-strip radiation patch is 8mm, and the sinusoidal cycle is 16mm, and sinusoidal peak value is 1mm, and
Article two, sinusoidal distance is 0.7mm；Described medium substrate 1 is fr4 epoxy resin board；The thickness of described medium substrate 1 is
0.8mm, the dielectric constant of medium substrate 1 is 4.4；Described metal micro-strip radiation patch 21 and metal micro-strip radiation patch 22
It is the gold-plated material of copper sheet；The thickness of described metal micro-strip radiation patch 21 and metal micro-strip radiation patch 22 is respectively less than
70um.
Embodiment 2
Refer to Fig. 5, a kind of microstrip antenna, radiate patch including medium substrate 1, metal micro-strip radiation patch 21 and metal micro-strip
Piece 22；Described metal micro-strip radiation patch 21 and metal micro-strip radiation patch 22 are installed in the upper table of medium substrate 1
Face, the relative dielectric constant of described medium substrate 1 is 2-8, and the dielectric loss angle tangent of medium substrate 1 is less than or equal to 10-3；Gold
Belong to top, metal micro-strip radiation patch 21 and the metal micro-strip that micro-strip radiation patch 21 is located at metal micro-strip radiation patch 22
It is provided with groove 3, on described metal micro-strip radiation patch 21 lower end and metal micro-strip radiation patch 2 between radiation patch 22
End is curve shape, and two oriented parallel, and described curve is sine curve, and described sine curve is 2.5 sinusoidal cycles
Sine curve, groove 3 not to medium substrate 1 generation act on；This microstrip antenna adopts balanced type feeding classification, feeding transmission line
Medium substrate 1 is passed through to pass through solder technology with metal micro-strip radiation patch 21 and metal micro-strip radiation patch 2 by the back side respectively
Connect.Described metal micro-strip radiation patch 21 and metal micro-strip radiation patch 22 are by groove 3 incising circular metal micro-strip spoke
Penetrate paster to form, and circular metal micro-strip radiation patch is located at the centre of medium substrate 1；Described circular metal micro-strip radiation
The radius of paster is 8mm, and the sinusoidal cycle is 16mm, and sinusoidal peak value is 1mm, and two sinusoidal distances
For 0.7mm；Described medium substrate 1 is fr4 epoxy resin board；The thickness of described medium substrate 1 is 0.8mm, Jie of medium substrate 1
Electric constant is 4.4；Described metal micro-strip radiation patch 21 and metal micro-strip radiation patch 22 are the gold-plated material of copper sheet；Institute
State metal micro-strip radiation patch 21 and the thickness of metal micro-strip radiation patch 22 is respectively less than 70um.
Fig. 6 is the embodiment 1 of microstrip antenna and the impedance characteristic schematic diagram of embodiment 2, and wherein dotted line is embodiment 1
Impedance characteristic schematic diagram, solid line be embodiment 2 impedance characteristic schematic diagram；It can be seen that not changing antenna external structure
Under conditions of size, the different working frequency points of antenna can be obtained by changing sinusoids parameter.
The microstrip antenna structure of the present invention is simple, it is easy to accomplish, single layer printed circuit plate technique can achieve；Can be used as short
Apart from beam antenna, work in wifi antenna high band；Implement simple, technical maturity, high degree of automation, low production cost
Honest and clean, it is easy to integrated with Wireless Telecom Equipment, and range of application is wider；In addition, this microstrip antenna also has good looking appearance, uses the longevity
The long advantage of life.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of without departing from this patent objective
Make a variety of changes.
Claims (3)
1. a kind of microstrip antenna is it is characterised in that include medium substrate (1), metal micro-strip radiation patch (21) and metal micro-strip
Radiation patch (22)；Described metal micro-strip radiation patch (21) and metal micro-strip radiation patch (22) are installed in medium
The upper surface of substrate (1), metal micro-strip radiation patch (21) is located at the top of metal micro-strip radiation patch (22), and metal is micro-
It is provided with groove (3), described metal micro-strip radiation patch between band radiation patch (21) and metal micro-strip radiation patch (22)
(21) lower end and metal micro-strip radiation patch (2) upper end are curve shape, and two oriented parallel, and described curve is sine
Curve；Feeding transmission line passes through medium substrate (1) and metal micro-strip radiation patch (21) and metal micro-strip radiation by the back side respectively
Paster (2) connects (4) by solder technology.
2. microstrip antenna according to claim 1 is it is characterised in that described metal micro-strip radiation patch (21) and metal
Micro-strip radiation patch (22) is to be formed by groove (3) incising circular metal micro-strip radiation patch, and the radiation of circular metal micro-strip
Paster is located at the centre of medium substrate (1).
3. microstrip antenna according to claim 1 is it is characterised in that the relative dielectric constant of described medium substrate (1) is
2-8, the dielectric loss angle tangent of medium substrate (1) is less than or equal to 10-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946600.6A CN106356621A (en) | 2016-10-26 | 2016-10-26 | Microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946600.6A CN106356621A (en) | 2016-10-26 | 2016-10-26 | Microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106356621A true CN106356621A (en) | 2017-01-25 |
Family
ID=57863436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610946600.6A Pending CN106356621A (en) | 2016-10-26 | 2016-10-26 | Microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106356621A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318880A (en) * | 2000-04-17 | 2001-10-24 | 株式会社可桑情报技术 | Microstrip aerial |
| CN1524321A (en) * | 2000-07-11 | 2004-08-25 | Ӣ4�ض�����˾ | Internal antennas for mobile communication devices |
| CN1703803A (en) * | 2002-11-27 | 2005-11-30 | 太阳诱电株式会社 | Antenna, dielectric substrate for antenna, radio communication card |
| CN101355194A (en) * | 2008-09-01 | 2009-01-28 | 北京邮电大学 | Dual range microstrip antenna |
| CN101740870A (en) * | 2009-12-28 | 2010-06-16 | 中国电子科技集团公司第二十六研究所 | Miniaturized single feed point dual-frequency and dual-polarization microstrip antenna |
| CN102790266A (en) * | 2012-06-29 | 2012-11-21 | 集美大学 | UWB (Ultra Wide Band) double trapped-wave antenna |
| CN104518278A (en) * | 2013-09-26 | 2015-04-15 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN205621856U (en) * | 2016-05-05 | 2016-10-05 | 华南理工大学 | A width axial ratio beam circular polarized antenna for biomedical telemetering measurement |
-
2016
- 2016-10-26 CN CN201610946600.6A patent/CN106356621A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318880A (en) * | 2000-04-17 | 2001-10-24 | 株式会社可桑情报技术 | Microstrip aerial |
| CN1524321A (en) * | 2000-07-11 | 2004-08-25 | Ӣ4�ض�����˾ | Internal antennas for mobile communication devices |
| CN1703803A (en) * | 2002-11-27 | 2005-11-30 | 太阳诱电株式会社 | Antenna, dielectric substrate for antenna, radio communication card |
| CN101355194A (en) * | 2008-09-01 | 2009-01-28 | 北京邮电大学 | Dual range microstrip antenna |
| CN101740870A (en) * | 2009-12-28 | 2010-06-16 | 中国电子科技集团公司第二十六研究所 | Miniaturized single feed point dual-frequency and dual-polarization microstrip antenna |
| CN102790266A (en) * | 2012-06-29 | 2012-11-21 | 集美大学 | UWB (Ultra Wide Band) double trapped-wave antenna |
| CN104518278A (en) * | 2013-09-26 | 2015-04-15 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN205621856U (en) * | 2016-05-05 | 2016-10-05 | 华南理工大学 | A width axial ratio beam circular polarized antenna for biomedical telemetering measurement |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |
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| RJ01 | Rejection of invention patent application after publication |