CN205985334U - High -gain millimeter wave net array antenna - Google Patents
High -gain millimeter wave net array antenna Download PDFInfo
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- CN205985334U CN205985334U CN201620944780.XU CN201620944780U CN205985334U CN 205985334 U CN205985334 U CN 205985334U CN 201620944780 U CN201620944780 U CN 201620944780U CN 205985334 U CN205985334 U CN 205985334U
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- array antenna
- millimeter wave
- rectangle
- gain
- grid array
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Abstract
The utility model discloses a high -gain millimeter wave net array antenna, including first dielectric substrate, second dielectric substrate and floor, first dielectric substrate, second dielectric substrate and floor set gradually from the top to the bottom, the top of first dielectric substrate is equipped with the radiation paster, and first dielectric substrate and radiation paster all be latticed, be equipped with the distributing point on the radiation paster. The utility model discloses simple structure, easily manufacturing has reduced dielectric material's use, the cost is reduced, have the high -gain, small, radiant efficiency is high, radiation characteristic good, can with integrated circuit's characteristics, has overcome current net array antenna and has sacrificed the shortcoming that the antenna size improves antenna gain through increasing the net figure.
Description
Technical field
This utility model is related to a kind of grid array antenna, especially a kind of high-gain millimeter wave grid array antenna, belongs to
In wireless mobile telecommunication technology field.
Background technology
WLAN technology and 4G, 3G technology are merged by the 5th third-generation mobile communication technology (5G), can meet personal hand-held equipment with
Mass data interaction between computer, WirelessHD image transmitting and display etc..The high speed radio transmission skill attracting most attention at present
Art is 60GHz millimeter wave Radio Transmission Technology.Reach cooperation with WiGig alliance and WiFi alliance, the WLAN in 5G epoch will adopt
Use 60GHz millimeter wave.Grid array antenna by adjusting its lattice number, can improve impedance bandwidth and the increasing of antenna simultaneously
Benefit, and structure is simple.In conjunction with the advantage of millimeter wave and grid array antenna, millimeter wave grid array antenna undoubtedly has very big
Researching value.
Millimeter wave grid array antenna is still in conceptual phase at present.Millimeter wave near 60GHz frequency for the mid frequency
Antenna, can be interconnected with the radio receiver-transmitter of high integration, be expected to be applied to ultrahigh speed short-distance wireless communication, for example：No
Line PAN (Personal Area Network), WirelessHD multimedia interface etc..This has caused many and has been engaged in antenna and the pole of radio-frequency devices company
Big interest.
In many grid array antenna researchs before, typically using the gain improving antenna by increasing lattice number,
But this method improving gain can lead to antenna size to increase, and after lattice number increases big some, especially
In millimere-wave band, due to being multiplied of loss, the raising of antenna gain is restricted.
According to investigations with understanding, presently disclosed prior art is as follows：
1) 2011, Mei Sun, YuePing Zhang and Duixian Liu et al., in " IEEE TRANSACTIONS
Entitled " the A Ball Grid Array Package With a delivering on ON ANTENNAS AND PROPAGATION "
In the article of Microstrip Grid Array Antenna for a Single-Chip 60-GHz Receiver ", it is based on
LTCC (LTCC) technology, devise a mid frequency be 60GHz micro-strip grid array antenna, 57GHz～
In 64GHz frequency range, its | S11 |≤- 10dB, the maximum gain of antenna is at 60GHz for 14.5dB.
It is substantially by increasing the number of grid or sub-grid for the research of the grid array antenna of the type afterwards
Combination array improve the gain of antenna, but such a process increases the size of antenna, be unfavorable for design of system integration.
2) 2012, Tu Zhihong, Zhang Yue Ping was in " Proceedings of APMC 2012 " meeting
The article of deliver entitled " Three Types of Array Antennas for 60-GHz Radios " in, carry
Go out and grid minor face is set to different length, this improved method not only increases the impedance bandwidth of antenna, its -10dB impedance band
A width of 13.3% (56.6GHz-64.6GHz), also improves the gain of antenna simultaneously, and highest-gain reaches 15.1dBi, but 3dB increases
Beneficial bandwidth is less than 5%.
Utility model content
The purpose of this utility model is the defect in order to solve above-mentioned prior art, there is provided a kind of high-gain millimeter wave net
Lattice array antenna, this antenna structure, simply it is easy to processing and manufacturing, decreases the use of dielectric material, reduces cost, have
57GHz～64GHz band limits internal impedance coupling is good, high antenna gain, wider 3dB gain bandwidth and little excellent of size
Point, disclosure satisfy that high-gain, miniaturization, easily with requirements such as the system integrations.
The purpose of this utility model can be reached by adopting the following technical scheme that：
A kind of high-gain millimeter wave grid array antenna, including first medium substrate, second medium substrate and floor, described
First medium substrate, second medium substrate and floor set gradually from the top to the bottom, and the top of described first medium substrate sets
There is radiation patch, and first medium substrate and radiation patch be all in latticed, described radiation patch is provided with distributing point.
As a kind of preferred version, described first medium substrate is one layer of dielectric substrate, and described second medium substrate is three
Layer dielectric substrate, the thickness of every layer of dielectric substrate is 0.08mm～0.1mm.
As a kind of preferred version, every layer of dielectric substrate adopts the A6M dielectric substrate of Ferro company.
As a kind of preferred version, the grid of described first medium substrate and radiation patch is surrounded by 14 rectangles；Institute
State ten rectangles in 14 rectangles and be divided into five rectangle groups, five rectangle groups are from left to right arranged in order, each rectangle group
It is made up of two rectangles being arranged above and below；Remaining four rectangle in described 14 rectangles, each rectangle is located at adjacent two
Between individual rectangle group.
As a kind of preferred version, in described 14 rectangles, the width of the four edges of each rectangle be 0.1mm～
0.2mm, the length on two long sides is 3mm～3.2mm；In described five rectangle groups, for the rectangle group on the left side and the square on the right
Shape group, the length of two minor faces of each rectangle is 1.2mm～1.4mm, for three middle rectangle groups, the two of each rectangle
The length of bar minor face is 1.1mm～1.3mm.
As a kind of preferred version, the length of described second medium substrate is 14mm～16mm, and width is 6mm～10mm.
As a kind of preferred version, the distributing point in described radiation patch is connected with coaxial line, is fed by coaxial line.
As a kind of preferred version, the inner core diameter of described coaxial line is 0.1mm～0.14mm, outer core diameter is 0.2～
0.24mm.
As a kind of preferred version, described floor and radiation patch are all made using metal material.
This utility model has following beneficial effect with respect to prior art：
1st, first medium substrate and radiation patch are designed as latticed, and second medium substrate then position by this utility model
In the lower section of first medium substrate, the therefore surrounding of radiation patch does not have medium, with existing 60GH millimeter wave grid battle array
Array antenna is compared, and eliminates one layer of medium around grid radiation patch, has separated surface wave, reduced the damage that surface wave brings
Consumption, thus improve the gain of antenna.
2nd, this utility model disclosure satisfy that in 57GHz～64.5GHz frequency bandwidth, | S11 |≤- 10dB, i.e. -10dB impedance
Carry a width of 12.5%, compared with existing 60GHz millimeter wave grid array antenna, under conditions of not increasing antenna size, tool
Have higher gain, in 57GHz～64GHz working frequency range maximum gain up to 15.81dBi, wider impedance bandwidth with wider
3dB gain bandwidth, 3dB gain bandwidth is 7.17%, simultaneously in the range of whole emulation frequency range (50GHz～70GHz), radiation
Efficiency is all higher than 90%.
3rd, this utility model structure is simple decreases the use of dielectric material, reduces cost it is easy to processing and manufacturing, tool
Have the characteristics that high-gain, small volume, radiation efficiency are high, radiation characteristic is good, can be integrated with circuit, overcome existing grid array sky
Line sacrifices, by increasing lattice number, the shortcoming that antenna size improves antenna gain.
Brief description
Fig. 1 is the perspective view of the millimeter wave grid array antenna of this utility model embodiment 1.
Fig. 2 is the positive structure schematic of the millimeter wave grid array antenna of this utility model embodiment 1.
Fig. 3 is the S parameter curve chart of the millimeter wave grid array antenna of this utility model embodiment 1.
Fig. 4 is the gain curve figure of the millimeter wave grid array antenna of this utility model embodiment 1.
Fig. 5 is the radiation efficiency curve figure of the millimeter wave grid array antenna of this utility model embodiment 1.
Wherein, 1- first medium substrate, 2- second medium substrate, 3- radiation patch, 4- distributing point.
Specific embodiment
With reference to embodiment and accompanying drawing, this utility model is described in further detail, but enforcement of the present utility model
Mode not limited to this.
Embodiment 1：
As depicted in figs. 1 and 2, present embodiments provide a kind of high-gain millimeter wave grid array antenna, this antenna includes
First medium substrate 1, second medium substrate 2 and floor (not shown), described first medium substrate 1, second medium substrate 2
Set gradually from the top to the bottom with floor, the top of described first medium substrate 1 is provided with radiation patch 3, and first medium base
, all in latticed, described radiation patch 3 is provided with distributing point 4, and this distributing point 4 is connected with coaxial line for piece 1 and radiation patch 3, by
Coaxial line is fed, and the inner core diameter of coaxial line is 0.12mm, and outer core diameter is 0.22mm.
Described first medium substrate 1 is one layer of dielectric substrate, and described second medium substrate 2 is three layers of dielectric substrate, every layer
Dielectric substrate adopts the A6M dielectric substrate of Ferro company, and its thickness h is 0.095mm, i.e. the height H=4h of four layers of dielectric substrate
=0.38mm.
The grid of described first medium substrate 1 and radiation patch 3 is surrounded by 14 rectangles, the four edges of each rectangle
Width w is 0.16mm, and length l on two long sides is 3.15mm；Ten rectangles in described 14 rectangles are divided into five squares
Shape group, five rectangle groups are from left to right arranged in order, and each rectangle group is made up of two rectangles being arranged above and below, for the left side
The rectangle group on rectangle group and the right, the length of two minor face ss of each rectangle is 1.33mm, for three middle rectangle groups,
Length s of two minor faces of each rectangle is 1.23mm；Remaining four rectangle in described 14 rectangles, each rectangle is located at
Between two adjacent rectangle groups；Length a of described second medium substrate 2 is 15mm, and width b is 8mm.
First medium substrate 1 in the antenna of the present embodiment and radiation patch 3 are designed as latticed, and second medium base
Piece 2 is then located at the lower section of first medium substrate 1, and the surrounding of therefore radiation patch 3 does not have medium, in above-mentioned background technology
Second document be directly latticed radiation patch 3 is arranged on dielectric substrate that is to say, that the antenna of the present embodiment with
This technology is compared, and eliminates one layer of medium around grid radiation patch, has separated surface wave, reduced the damage that surface wave brings
Consumption, thus improve the gain of antenna.
Each dimensional parameters of the antenna of the present embodiment are all optimized, and its reflection coefficient is as shown in figure 3, can from figure
To see, in 57GHz～64.5GHz frequency bandwidth, | S11 |≤- 10dB, that is, -10dB impedance bandwidth is 12.5%；Antenna
Gain G as shown in figure 4, in 57GHz～64GHz working frequency range maximum gain up to 15.81dBi, more above-mentioned background technology carries
To the gain of two documents be respectively increased 1.31dBi and 0.7dBi, 3dB gain bandwidth is 7.17%；The radiation efficiency of antenna
As shown in figure 5, its radiation efficiency is all higher than 90% in whole emulation frequency range (50GHz～70GHz).
In above-described embodiment, described floor and radiation patch 3 are all made using metal material, for example can for aluminum, ferrum,
Stannum, copper, silver, gold and platinum any one, or can be aluminum, ferrum, stannum, copper, silver, gold and the platinum alloy of any one.
In sum, this utility model structure, simply it is easy to processing and manufacturing, decreases the use of dielectric material, reduces
Cost, has the characteristics that high-gain, small volume, radiation efficiency height, radiation characteristic are good, overcomes existing grid array antenna and pass through
Increase lattice number and sacrifice antenna size come the shortcoming to improve antenna gain.
The above, only this utility model patent preferred embodiment, but the protection domain of this utility model patent is simultaneously
It is not limited to this, in scope disclosed in this utility model patent for any those familiar with the art, according to this
The technical scheme of utility model patent and its utility model design in addition equivalent or change, broadly fall into this utility model patent
Protection domain.
Claims (9)
1. a kind of high-gain millimeter wave grid array antenna it is characterised in that：Including first medium substrate, second medium substrate and
Floor, described first medium substrate, second medium substrate and floor set gradually from the top to the bottom, described first medium substrate
Top be provided with radiation patch, and first medium substrate and radiation patch be all in latticed, and described radiation patch is provided with feed
Point.
2. a kind of high-gain millimeter wave grid array antenna according to claim 1 it is characterised in that：Described first medium
Substrate is one layer of dielectric substrate, and described second medium substrate is three layers of dielectric substrate, and the thickness of every layer of dielectric substrate is 0.08mm
～0.1mm.
3. a kind of high-gain millimeter wave grid array antenna according to claim 2 it is characterised in that：Every layer of dielectric substrate
A6M dielectric substrate using Ferro company.
4. a kind of high-gain millimeter wave grid array antenna according to claim 1 it is characterised in that：Described first medium
The grid of substrate and radiation patch is surrounded by 14 rectangles；Ten rectangles in described 14 rectangles are divided into five rectangles
Group, five rectangle groups are from left to right arranged in order, and each rectangle group is made up of two rectangles being arranged above and below；Described 14 squares
Four rectangles of remaining in shape, each rectangle is located between two adjacent rectangle groups.
5. a kind of high-gain millimeter wave grid array antenna according to claim 4 it is characterised in that：Described 14 squares
In shape, the width of the four edges of each rectangle is 0.1mm～0.2mm, and the length on two long sides is 3mm～3.2mm；Described five
In individual rectangle group, the rectangle group for the left side and the rectangle group on the right, the length of two minor faces of each rectangle be 1.2mm～
1.4mm, for three middle rectangle groups, the length of two minor faces of each rectangle is 1.1mm～1.3mm.
6. a kind of high-gain millimeter wave grid array antenna according to claim 1 it is characterised in that：Described second medium
The length of substrate is 14mm～16mm, and width is 6mm～10mm.
7. a kind of high-gain millimeter wave grid array antenna according to any one of claim 1-6 it is characterised in that：Described
Distributing point in radiation patch is connected with coaxial line, is fed by coaxial line.
8. a kind of high-gain millimeter wave grid array antenna according to claim 7 it is characterised in that：Described coaxial line
Inner core diameter is 0.1mm～0.14mm, and outer core diameter is 0.2～0.24mm.
9. a kind of high-gain millimeter wave grid array antenna according to any one of claim 1-6 it is characterised in that：Described
Floor and radiation patch are all made using metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944780.XU CN205985334U (en) | 2016-08-26 | 2016-08-26 | High -gain millimeter wave net array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944780.XU CN205985334U (en) | 2016-08-26 | 2016-08-26 | High -gain millimeter wave net array antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205985334U true CN205985334U (en) | 2017-02-22 |
Family
ID=58035735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620944780.XU Expired - Fee Related CN205985334U (en) | 2016-08-26 | 2016-08-26 | High -gain millimeter wave net array antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205985334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682942A (en) * | 2018-06-08 | 2018-10-19 | 电子科技大学 | A kind of new structural grid antenna |
| CN110459862A (en) * | 2019-08-23 | 2019-11-15 | 深圳大学 | A kind of millimeter wave grid array antenna based on slot radiation |
-
2016
- 2016-08-26 CN CN201620944780.XU patent/CN205985334U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682942A (en) * | 2018-06-08 | 2018-10-19 | 电子科技大学 | A kind of new structural grid antenna |
| CN108682942B (en) * | 2018-06-08 | 2019-12-10 | 电子科技大学 | Grid antenna with rotational symmetric structure |
| CN110459862A (en) * | 2019-08-23 | 2019-11-15 | 深圳大学 | A kind of millimeter wave grid array antenna based on slot radiation |
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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 |
Granted publication date: 20170222 Termination date: 20190826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |