CN105958215B - A kind of LTE array antenna based on thermosetting polymeric composite board - Google Patents
A kind of LTE array antenna based on thermosetting polymeric composite board Download PDFInfo
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- CN105958215B CN105958215B CN201610338224.2A CN201610338224A CN105958215B CN 105958215 B CN105958215 B CN 105958215B CN 201610338224 A CN201610338224 A CN 201610338224A CN 105958215 B CN105958215 B CN 105958215B
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- copper foil
- foil layer
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- polymeric composite
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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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
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- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of LTE array antenna based on TPA plate, including antenna substrate, the sub- radiant panel of multiple buttferfly-types is evenly arranged on the antenna substrate；The sub- radiant panel of buttferfly-type is Multilayer Structure antenna, the Multilayer Structure antenna includes top electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil layer, filled with the first TPA layer between the top electro-coppering layers of foil and intermediate copper foil layer, the 2nd TPA layers are filled between the intermediate copper foil layer and bottom copper foil layer.The Curve guide impeller that the present invention passes through structure and plate to LTE array antenna, overcome that antenna radiation performance in the prior art is poor, frequency range coverage effect is poor, glass transition temperature is low, enemy's poor rigidity, the problem that processing is complicated, reliability is not high, realize a kind of enemy rigidity by force, the processing is simple, antenna radiation performance is good, frequency range coverage effect is good, high reliablity, suitable for the aerial array of LET communication system.It the composite can be widely applied to various LTE communication systems.
Description
Technical field
The present invention relates to Antenna Design field more particularly to a kind of LTE array antennas.
Background technique
TPA:Thermosetting Polymer Alloy, thermosetting polymeric composite material.
LTE(Long Term Evolution, long term evolution) it is by 3GPP(The 3rd Generation
Partnership Project, third generation partner program) the UMTS(Universal Mobile that organizes to set up
Telecommunications System, Universal Mobile Communication System) technical standard long term evolution.LTE antenna need to meet more
The transmitting and reception demand of a high-frequency band, including 1880-1920MHz, 2010-2025MHz and 2500-2690MHz frequency range.It is existing
There is radiance of the antenna under multiple high-frequency bands in technology not satisfactory, is unfavorable for the popularization of LTE mobile network and answers
With.
LTE communication frequency range reaches gigahertz, this, which means that, proposes more the microwave antenna circuit substrate used in them
High requirement.For a long time, high-frequency microwave substrate is almost without the old tradition run off using polytetrafluoroethylene (PTFE), still, if it has
Dry disadvantage: glass transition temperature is low, opposes poor rigidity；Processing is complicated, therefore at high cost；The binding force of plated through-hole coating and hole wall is weak,
Therefore reliability is not high.
Summary of the invention
In order to solve the above-mentioned technical problem, good, frequency range covering effect that the object of the present invention is to provide a kind of antenna radiation performances
Fruit is good, array antenna suitable for LTE frequency range.
The technical scheme adopted by the invention is that:
A kind of LTE array antenna based on TPA plate, including antenna substrate are evenly arranged on the antenna substrate more
A sub- radiant panel of buttferfly-type；The sub- radiant panel of buttferfly-type is Multilayer Structure antenna, and the Multilayer Structure antenna includes top
Portion's electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil layer, are filled between the top electro-coppering layers of foil and intermediate copper foil layer
First TPA layers, filled with the 2nd TPA layers between the intermediate copper foil layer and bottom copper foil layer.
Preferably, the described first TPA layers and the 2nd TPA layers be the thermosetting polymeric composite material being made of resin and glass-fiber-fabric
Layer.
Preferably, the top electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil layer are provided with orthogonal handover
Four raise one's arm.
Preferably, the thickness of the top electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil layer be respectively 9 microns, it is 3 micro-
Rice and 9 microns.
Preferably, the described first TPA layers and the 2nd TPA layers of thickness is 60 microns.
Preferably, the top electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil layer are electrically connected mutually by via hole.
Preferably, the top electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil layer are electrically connected mutually by via hole.
Preferably, the sub- radiant panel of the multiple buttferfly-type is 30 sub- radiant panels of buttferfly-type, the sub- spoke of 30 buttferfly-types
It penetrates plate and is arranged in 3*10 array.
Preferably, the sub- radiant panel of the buttferfly-type passes through support base and connect with antenna substrate.
The beneficial effects of the present invention are:
The present invention overcomes antenna spoke in the prior art by the Curve guide impeller of structure and plate to LTE array antenna
It penetrates that performance is poor, frequency range coverage effect is poor, glass transition temperature is low, enemy's poor rigidity, the problem that processing is complicated, reliability is not high, realizes
A kind of enemy's rigidity is strong, the processing is simple, antenna radiation performance is good, frequency range coverage effect is good, high reliablity, is suitable for LET and communicates
The aerial array of system.
It the composite can be widely applied to various LTE communication systems.
Detailed description of the invention
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
Fig. 1 is a kind of positive structure diagram of embodiment of LTE antenna array of the present invention；
Fig. 2 is a kind of side structure schematic view of embodiment of LTE antenna array of the present invention；
Fig. 3 is a kind of structural schematic diagram of embodiment of the sub- radiant panel of buttferfly-type of the present invention；
Fig. 4 is a kind of structural schematic diagram of embodiment in the sub- radiant panel cross section of buttferfly-type of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As shown in Figure 1, a kind of LTE array antenna based on TPA plate, including antenna substrate 10, the antenna substrate 10
On be evenly arranged with the sub- radiant panel 11 of multiple buttferfly-types；The sub- radiant panel 11 of buttferfly-type is Multilayer Structure antenna, described more
Veneer structure antenna includes top electro-coppering layers of foil 21, intermediate copper foil layer 22 and bottom copper foil layer 23, the top electro copper foil
Filled with the first TPA layers between layer 21 and intermediate copper foil layer 22, filled between the intermediate copper foil layer 22 and bottom copper foil layer 23
There are the 2nd TPA layers.In the embodiment, the multiple sub- radiant panel 11 of buttferfly-type be the sub- radiant panel 11 of 30 buttferfly-types, described 30
A sub- radiant panel 11 of buttferfly-type is arranged in 3*10 array.As shown in Fig. 2, the sub- radiant panel 11 of buttferfly-type passes through support base 12
It is connect with antenna substrate 10.
In the embodiment, each sub- radiant panel 11 of buttferfly-type is raised one's arm by four and 111 is motivated, and the sub- radiant panel 11 of buttferfly-type swashs
The phase for encouraging signal will meet certain proportionate relationship to guarantee to realize beam angle, in 1880- in different band limits
1920MHz, 2010-2025MHz and 2500-2690MHz frequency range, the phase of the pumping signal between each sub- radiant panel 11 of buttferfly-type
Proportionate relationship is intermediate maximum, is successively successively decreased to both sides.Meet the emission requirements of LTE antenna.
The top electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil layer are provided with four vibrations of orthogonal handover
Arm 111 raises one's arm for every and is equipped with double via hole 112 on 111, the top electro-coppering layers of foil 21, intermediate copper foil layer 22 and bottom
Copper foil layer 23 is electrically connected mutually by via hole 112.Fig. 3 describes four 111 structures of raising one's arm by taking top electro-coppering layers of foil as an example.
As shown in figure 4, the antenna uses Multilayer Structure antenna, the Multilayer Structure antenna includes top electro-coppering
Layers of foil 21, intermediate copper foil layer 22 and bottom copper foil layer 23, are filled between the top electro-coppering layers of foil 21 and intermediate copper foil layer 22
There is the first TPA layer 24, the 2nd TPA layer 25 is filled between the intermediate copper foil layer 22 and bottom copper foil layer 23.
Preferably, the first TPA layer 24 and the 2nd TPA layer 25 are compound for the thermosetting polymeric being made of resin and glass-fiber-fabric
Material layer.The present invention has blended thermosetting resin in thermosetting polymeric composite material, and compared with polytetrafluoroethylene (PTFE), its loss is more
It is small, dielectric constant is more stable.
In order to study influence of the temperature to dielectric constant stability, we are by the thermal change coefficient T of dielectric constantCk=-
100ppm/ DEG C of material antenna has done reality with Tck=10ppm/ DEG C of inventive antenna and has contrasted.
If TCk=-100ppm/ DEG C, then dielectric constant DkVariable quantity △ Dk=- 0.032；
To 2.4GHz: frequency variation △ f=9MHz；
To 25GHz: frequency variation △ f=140MHz；
If using T of the present inventionCk=10ppm/ DEG C of antenna, then dielectric constant DkVariable quantity △ Dk=- 0.0032；
To 2.4GHz: frequency variation △ f=0.9MHz；
To 25GHz: frequency variation △ f=14MHz.
Obviously, the above verifying shows to improve reliability present invention improves over antenna performance.
Preferably, the thickness of the top electro-coppering layers of foil 21, intermediate copper foil layer 22 and bottom copper foil layer 23 is respectively 9 micro-
Rice, 3 microns and 9 microns.
After tested, in the embodiment, antenna radiation efficiency 92.87%, gross efficiency 92.34%.It is logical that directional diagram meets LTE
Letter demand, maximum direction coefficient are 5.261dB.
Preferably, the thickness of the first TPA layer 24 and the 2nd TPA layer 25 is 60 microns.
The present invention overcomes antenna spoke in the prior art by the Curve guide impeller of structure and plate to LTE array antenna
It penetrates that performance is poor, frequency range coverage effect is poor, glass transition temperature is low, enemy's poor rigidity, the problem that processing is complicated, reliability is not high, realizes
A kind of enemy's rigidity is strong, the processing is simple, antenna radiation performance is good, frequency range coverage effect is good, high reliablity, is suitable for LET and communicates
The aerial array of system.
It the composite can be widely applied to various LTE communication systems.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (3)
1. a kind of LTE array antenna based on thermosetting polymeric composite board, which is characterized in that described including antenna substrate
The sub- radiant panel of multiple buttferfly-types is evenly arranged on antenna substrate；The sub- radiant panel of buttferfly-type is Multilayer Structure antenna, institute
Stating Multilayer Structure antenna includes top electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil layer, the top electro-coppering layers of foil
It is filled with the first thermosetting polymeric composite layer between intermediate copper foil layer, is filled out between the intermediate copper foil layer and bottom copper foil layer
Filled with the second thermosetting polymeric composite layer, the first thermosetting polymeric composite layer and the second thermosetting polymeric composite layer
For the thermosetting polymeric composite layer being made of resin and glass-fiber-fabric, the top electro-coppering layers of foil, intermediate copper foil layer and bottom
Copper foil layer be provided with orthogonal handover four raise one's arm, the top electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil
Layer is electrically connected mutually by via hole, and the multiple sub- radiant panel of buttferfly-type is 30 sub- radiant panels of buttferfly-type, 30 butterflies
The sub- radiant panel of butterfly-type is arranged in 3*10 array, and the sub- radiant panel of buttferfly-type passes through support base and connect with antenna substrate.
2. a kind of LTE array antenna based on thermosetting polymeric composite board according to claim 1, feature exist
In the thickness of the top electro-coppering layers of foil, intermediate copper foil layer and bottom copper foil layer is respectively 9 microns, 3 microns and 9 microns.
3. a kind of LTE array antenna based on thermosetting polymeric composite board according to claim 1, feature exist
In the thickness of the first thermosetting polymeric composite layer and the second thermosetting polymeric composite layer is 60 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610338224.2A CN105958215B (en) | 2016-05-19 | 2016-05-19 | A kind of LTE array antenna based on thermosetting polymeric composite board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610338224.2A CN105958215B (en) | 2016-05-19 | 2016-05-19 | A kind of LTE array antenna based on thermosetting polymeric composite board |
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| CN105958215A CN105958215A (en) | 2016-09-21 |
| CN105958215B true CN105958215B (en) | 2019-01-18 |
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Citations (3)
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| CN102769204A (en) * | 2012-07-03 | 2012-11-07 | 深圳光启创新技术有限公司 | Meta-material frequency selection surface, meta-material frequency selection antenna cover made of meta-material frequency selection surface, and antenna system |
| CN104022347A (en) * | 2014-06-11 | 2014-09-03 | 中国科学院电子学研究所 | Self-complement type radar antenna |
| CN204760533U (en) * | 2015-05-27 | 2015-11-11 | 深圳光启智能光子技术有限公司 | Antenna device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8482477B2 (en) * | 2010-03-09 | 2013-07-09 | Raytheon Company | Foam layer transmission line structures |
| CN102110908B (en) * | 2010-12-20 | 2013-11-06 | 西安三元达海天天线有限公司 | TD-LTE (Time Division-Long Term Evolution) indoor dual-polarized antenna |
| CN102280718A (en) * | 2011-04-29 | 2011-12-14 | 上海交通大学 | Ku waveband low-profile dual-frequency dual-polarization array antenna |
| CN103296449A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Base board and metamaterial |
| CN103050770B (en) * | 2012-09-24 | 2014-12-10 | 南京邮电大学 | Broadband LTE (Long Term Evolution) combined element antenna unit |
-
2016
- 2016-05-19 CN CN201610338224.2A patent/CN105958215B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769204A (en) * | 2012-07-03 | 2012-11-07 | 深圳光启创新技术有限公司 | Meta-material frequency selection surface, meta-material frequency selection antenna cover made of meta-material frequency selection surface, and antenna system |
| CN104022347A (en) * | 2014-06-11 | 2014-09-03 | 中国科学院电子学研究所 | Self-complement type radar antenna |
| CN204760533U (en) * | 2015-05-27 | 2015-11-11 | 深圳光启智能光子技术有限公司 | Antenna device |
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| CN105958215A (en) | 2016-09-21 |
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Effective date of registration: 20210511 Address after: 441000 office 438, building 13, Xiangyang science and Technology City, intersection of Zhuhai Avenue and Wuxi Road, Shenzhen Industrial Park, high tech Zone, Xiangyang City, Hubei Province (residence declaration) Patentee after: Hubei Tianding Microwave Technology Co.,Ltd. Address before: 518000 East partition, 2nd floor, factory building 6, Haomai hi tech park, 387 Huating Road, Langkou community, Dalang office, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TIANDING MICROWAVE TECHNOLOGY Co.,Ltd. |
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