CN205752545U - A kind of flat plate antenna structure with high-throughput and low SAR value - Google Patents
A kind of flat plate antenna structure with high-throughput and low SAR value Download PDFInfo
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- CN205752545U CN205752545U CN201620634054.8U CN201620634054U CN205752545U CN 205752545 U CN205752545 U CN 205752545U CN 201620634054 U CN201620634054 U CN 201620634054U CN 205752545 U CN205752545 U CN 205752545U
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- 230000005855 radiation Effects 0.000 claims abstract description 43
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a kind of flat plate antenna structure with high-throughput and low SAR value, it includes main body substrate and medium substrate, described medium substrate includes antenna ground, described antenna is provided with feedback place on the ground, described feedback place is arranged over distributing point, described distributing point is drawn the first radiation branch and first and is connected branch to both sides, described first end connecting branch draws the first ground connection branch, described first ground connection branch is connected with antenna ground, the end of described first radiation branch is provided with main resonance branch, the end of described main resonance branch is provided with the second radiation branch, it is connected by the second ground connection branch between the end of described second radiation branch and antenna ground, described distributing point and feedback place are respectively used to connect the two ends of cable.This utility model simple in construction, with low cost, handling capacity is big, efficiency is high, SAR value is little.
Description
Technical field
This utility model relates to antenna, particularly relates to a kind of flat plate antenna structure with high-throughput and low SAR value.
Background technology
Owing to people are to improving constantly with portable requirement at a high speed, the Wireless Telecom Equipment of various advanced persons arises at the historic moment, flat
Plate computer is exactly wherein typical a kind of.Antenna is as passive device important in panel computer radio system, and its efficiency is to whole
The data throughout of machine plays conclusive effect.But antenna is while have high efficiency, under identical input power, its
Electromagnetic radiation necessarily becomes more significantly to the impact of human body.How by adjusting antenna directivity, ensureing high efficiency and gulping down
While the amount of telling and there is relatively low specific absorption rate (Specific Absorption Ratio, SAR), increasingly become flat board
The problem demanding prompt solution of computer antenna development.
In prior art, the medium substrate of antenna is as it is shown in figure 1, antenna feed is electrically: be positioned at the first connection branch 124
On the distributing point that rectangular pads is antenna 132, the bottom of medium substrate be antenna ground 120, be positioned at antenna ground 120 on rectangle
Pad is the feedback place 131 of antenna, and the power of antenna is transferred to feedback place 131 by distributing point 132 by 50 ohm coaxial lines
Antenna radiates.
Antenna radiator is: drawn Liang Tiao branch by antenna feed point 132: main resonance branch 121 and first connects branch
124, the first connection branch 124 end draw the first ground connection branch 125 and be connected with antenna ground 120, thus constitute antenna by presenting
Electricity point 132 is to first loop in feedback place 131.The first radiation branch 122 and the second radiation is drawn by main resonance branch 121 end
Branch 123, the first radiation branch 122 constitutes antenna the first resonance arm, and the second radiation branch 123 constitutes antenna the second resonance arm,
Drawn ground connection by antenna ground 120 left end and adjust branch 126.Feedback place 131 is the part on antenna ground 120, is positioned at distributing point 132
Underface.
Although prior art have employed above-mentioned relatively reasonable structure, but after experimental test, however it remains handle up
Measure the defects such as little, efficiency is low, SAR value is bigger.
Utility model content
The technical problems to be solved in the utility model is, for the deficiencies in the prior art, it is provided that a kind of simple in construction, one-tenth
The flat plate antenna structure that this is cheap, handling capacity is big, efficiency is high, SAR value is little.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that.
A kind of flat plate antenna structure with high-throughput and low SAR value, it includes main body substrate and is located at main body base
The medium substrate of edges of boards edge, described medium substrate includes antenna ground, is connected with main body substrate described antenna, described antenna
Being provided with on the ground feedback place, described feedback place is arranged over distributing point, and described distributing point draws the first radiation branch and the to both sides
One connects branch, and the described first end connecting branch draws the first ground connection branch, described first ground connection branch and antenna ground phase
Connecting, the end of described first radiation branch is provided with main resonance branch, and the end of described main resonance branch is provided with the second radiation and divides
, it is connected by the second ground connection branch between the end of described second radiation branch and antenna ground, described distributing point, the first company
Connect branch, the first ground connection branch and feedback place and constitute the first loop, described distributing point, the first radiation branch, main resonance branch, the
Two radiation branch and the second ground connection branch constitute second servo loop, described distributing point and feedback place and are respectively used to connect the two of cable
End.
Preferably, described distributing point and feedback place are mutually aligned and the two is respectively equipped with pad, by two pads incite somebody to action
Distributing point and feedback place are welded in the two ends of cable.
Preferably, described first radiation branch, the first connection branch and the second radiation branch are all paralleled with antenna ground, institute
Stating main resonance branch perpendicular with the first radiation branch, it is perpendicular that described first ground connection branch is connected branch with first, and described
Two ground connection branches are perpendicular with the second radiation branch.
Preferably, described medium substrate is located at the upper left corner of main body substrate.
Preferably, the size of described medium substrate is 25.15mm*8.8mm*0.4mm.
Preferably, it is provided with space between described first ground connection branch and the second ground connection branch.
Having in the flat plate antenna structure of high-throughput and low SAR value disclosed in this utility model, the main resonance of antenna divides
For the principal radiating section of 2.4G, the width of main resonance branch, position are, and the length of the second radiation branch and distributing point
Position is by the resonance of entire effect antenna 2.4G frequency range.The main radiation that groove is 5G antenna between distributing point and feedback place
Liang Tiao branch the first radiation branch and first that part, the right position in antenna feed place and distributing point are drawn connects branch respectively
To antenna ground distance by the resonance of entire effect antenna 5G frequency range.The antenna of said structure is compared with the prior art and tests
Knowing, passive standing wave of the present utility model and efficiency are more excellent, in the case of identical input power, this utility model antenna
SAR is less, and effect is more excellent.Additionally, this utility model antenna structure is simple, be easily achieved, volume is little, significantly reduce system
Cause this.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art middle plateform antenna medium substrates.
Fig. 2 is this utility model flat plate antenna structure schematic diagram.
Fig. 3 is the structural representation of this utility model first embodiment medium substrate.
Fig. 4 is the RL oscillogram recording first embodiment antenna.
Fig. 5 is the RL oscillogram recording prior art antenna.
Fig. 6 is the efficiency by inputoutput test correction data table of this utility model and prior art.
Fig. 7 is the efficiency by inputoutput test comparison diagram of this utility model and prior art.
Fig. 8 is this utility model and prior art actual measurement input power and SAR value correction data table.
Fig. 9 is the actual measurement input power comparison diagram of this utility model and prior art.
Figure 10 is actual measurement SAR (Back) the value comparison diagram of this utility model and prior art.
Figure 11 is actual measurement SAR (Edge) the value comparison diagram of this utility model and prior art.
Figure 12 is the structural representation of this utility model the second embodiment medium substrate.
Detailed description of the invention
With embodiment, this utility model is described in more detail below in conjunction with the accompanying drawings.
Embodiment 1
The present embodiment proposes a kind of flat plate antenna structure with high-throughput and low SAR value, in conjunction with Fig. 2 and Fig. 3 institute
Showing, it includes main body substrate 1 and is located at the medium substrate 2 at main body substrate 1 edge, and described medium substrate 2 includes antenna ground
20, described antenna ground 20 is connected with main body substrate 1, and described antenna ground 20 is provided with feedback place 31, above described feedback place 31
Being provided with distributing point 32, described distributing point 32 is drawn the first radiation branch 22 and first and is connected branch 24 to both sides, and described first even
The end meeting branch 24 draws the first ground connection branch 25, and described first ground connection branch 25 is connected with antenna ground 20, and described first
The end of radiation branch 22 is provided with main resonance branch 21, and the end of described main resonance branch 21 is provided with the second radiation branch 23, institute
State and be connected by the second ground connection branch 27 between the end of the second radiation branch 23 and antenna ground 20, described distributing point 32, the
One connection the 24, first ground connection branch 25 of branch and feedback place 31 constitute the first loop, described distributing point the 32, first radiation branch
22, main resonance branch the 21, second radiation branch 23 and the second ground connection branch 27 constitute second servo loop, described distributing point 32 and feedback ground
Point 31 is respectively used to connect the two ends of cable.
In the present embodiment, described distributing point 32 is mutually aligned with feedback place 31 and the two is respectively equipped with pad, by two
Pad and distributing point 32 and feedback place 31 are welded in the two ends of cable.
Further, described first radiation branch 22, first connects branch 24 and the second radiation branch 23 all with antenna
20 is parallel, and described main resonance branch 21 is perpendicular with the first radiation branch 22, and described first ground connection branch 25 is connected with first
Branch 24 is perpendicular, and described second ground connection branch 27 is perpendicular with the second radiation branch 23.
As a kind of optimal way, described medium substrate 2 is located at the upper left corner of main body substrate 1.The chi of described medium substrate 2
Very little for 25.15mm*8.8mm*0.4mm.
In the present embodiment flat plate antenna structure, refer to Fig. 3, the main Department of Radiation that main resonance branch 21 is 2.4G of antenna
Point, the width of main resonance branch 21, position, and the position of the length of the second radiation branch 23 and distributing point 32 is by entire effect
The resonance of antenna 2.4G frequency range.The principal radiating section that groove is 5G antenna between distributing point 32 and feedback place 31, antenna
Liang Tiao branch the first radiation branch 22 and first that the right position in feedback place 31 and distributing point 32 are drawn connects branch 24 respectively
To antenna ground 20 distance by the resonance of entire effect antenna 5G frequency range.About the experimental test of said structure, by prior art
As scheme one, the present embodiment as scheme two, every test data of scheme one and scheme two is to such as Fig. 4 to Figure 11 institute
Show, wherein, by Fig. 4,5,6,7 it can be seen that the passive standing wave of scheme two antenna and efficiency are more excellent.Permissible by Fig. 8,9,10,11
Finding out, in the case of identical input power, the SAR of scheme two antenna is less, and result is more excellent.
Embodiment 2
Refer to Figure 12, optionally, the present embodiment is identical, therefore with most part-structures of embodiment 1
Repeating no more repeating part, the present embodiment is with the difference of embodiment 1: described first ground connection branch 25 and the second ground connection branch
Space it is provided with between 27.In order to adapt to the actual environment of complexity.
Having high-throughput and the flat plate antenna structure of low SAR value disclosed in this utility model, it is applied to panel computer
In, RL<-11dB in 2.4-2.5GHz/5.15-5.85GHz, efficiency Eff>35%.When 2.4G input power is 15.125,
When SAR < 1W/kg, 5G input power is 13.5, SAR < 1.3W/kg.SAR value meets US Federal Communication Committee (Federal
Communications Commission, FCC) scope that specifies, and antenna efficiency meets the requirement of high-throughput simultaneously,
The better performances of two frequency ranges of 2.4G and 5G, preferably meets the requirement of Antenna Design.Meanwhile, this utility model antenna uses
Double back ground structure, novel form, provide a kind of new approaches for Antenna Design.
The above is this utility model preferred embodiment, is not limited to this utility model, all in this practicality
Amendment, equivalent or the improvement etc. made in novel technical scope, should be included in the model that this utility model is protected
In enclosing.
Claims (6)
1. a flat plate antenna structure with high-throughput and low SAR value, it is characterised in that include main body substrate and be located at
The medium substrate at main body substrate edge, described medium substrate includes antenna ground, is connected with main body substrate described antenna, institute
Stating antenna and be provided with feedback place on the ground, described feedback place is arranged over distributing point, and described distributing point draws the first radiation point to both sides
Propping up and the first connection branch, the described first end connecting branch draws the first ground connection branch, described first ground connection branch and sky
Being connected, the end of described first radiation branch is provided with main resonance branch line, and the end of described main resonance branch is provided with second
Radiation branch, is connected by the second ground connection branch between the end of described second radiation branch and antenna ground, described distributing point,
First connects branch, the first ground connection branch and feedback place constitutes the first loop, described distributing point, the first radiation branch, main resonance
Branch, the second radiation branch and the second ground connection branch constitute second servo loop, described distributing point and feedback place and are respectively used to connecting line
The two ends of cable.
There is high-throughput and the flat plate antenna structure of low SAR value the most as claimed in claim 1, it is characterised in that described feedback
Electricity is put and feedback place is mutually aligned and the two is respectively equipped with pad, by two pads, distributing point and feedback place is welded in line
The two ends of cable.
There is high-throughput and the flat plate antenna structure of low SAR value the most as claimed in claim 1, it is characterised in that described
One radiation branch, the first connection branch and the second radiation branch are all paralleled with antenna ground, described main resonance branch and the first spoke
Penetrating branch perpendicular, it is perpendicular that described first ground connection branch is connected branch with first, described second ground connection branch and the second radiation
Branch is perpendicular.
There is high-throughput and the flat plate antenna structure of low SAR value the most as claimed in claim 1, it is characterised in that given an account of
The upper left corner of main body substrate is located at by matter substrate.
There is high-throughput and the flat plate antenna structure of low SAR value the most as claimed in claim 1, it is characterised in that given an account of
The size of matter substrate is 25.15mm*8.8mm*0.4mm.
There is high-throughput and the flat plate antenna structure of low SAR value the most as claimed in claim 1, it is characterised in that described
It is provided with space between one ground connection branch and the second ground connection branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620634054.8U CN205752545U (en) | 2016-06-24 | 2016-06-24 | A kind of flat plate antenna structure with high-throughput and low SAR value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620634054.8U CN205752545U (en) | 2016-06-24 | 2016-06-24 | A kind of flat plate antenna structure with high-throughput and low SAR value |
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| Publication Number | Publication Date |
|---|---|
| CN205752545U true CN205752545U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620634054.8U Expired - Fee Related CN205752545U (en) | 2016-06-24 | 2016-06-24 | A kind of flat plate antenna structure with high-throughput and low SAR value |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565540A (en) * | 2018-05-30 | 2018-09-21 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned vehicle |
-
2016
- 2016-06-24 CN CN201620634054.8U patent/CN205752545U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565540A (en) * | 2018-05-30 | 2018-09-21 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned vehicle |
| CN108565540B (en) * | 2018-05-30 | 2024-04-09 | 深圳市道通智能航空技术股份有限公司 | Antenna and unmanned aerial vehicle |
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| 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: 20161130 |