CN105870622A - Consubstantial coplanar multi-frequency circularly polarized antenna and manufacturing method thereof - Google Patents
Consubstantial coplanar multi-frequency circularly polarized antenna and manufacturing method thereof Download PDFInfo
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- CN105870622A CN105870622A CN201610379878.XA CN201610379878A CN105870622A CN 105870622 A CN105870622 A CN 105870622A CN 201610379878 A CN201610379878 A CN 201610379878A CN 105870622 A CN105870622 A CN 105870622A
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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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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
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Abstract
The invention relates to the technical field of microwave communication, in particular to a consubstantial coplanar multi-frequency circularly polarized antenna. The antenna comprises a first substrate. A first containing cavity is excavated inside the first substrate. A second substrate is embedded in the first containing cavity in a coplanar mode. Radiation electrodes are arranged on the upper surfaces of the first substrate and the second substrate. Reflection electrodes are arranged on the lower surfaces of the first substrate and the second substrate. Feed pins are arranged on the first substrate and the second substrate. The multi-frequency antenna is designed in a coplanar embedded mode, so that the range of the size of the finished antenna can be greatly reduced, and the defect of radiated interference caused when all levels are superposed on the edge regions of the substrates is eliminated.
Description
Technical field
The present invention relates to short-wave communication tedhnology field, be specifically related to a kind of consubstantiality coplanar multi-frequency polarized antenna
And preparation method thereof.
Background technology
The application of satellite positioning tech is more and more extensive at present, GPS of America alignment system has occurred, in
State's BEI-DOU position system, Russian Glonass alignment system etc., each alignment system possesses different
Feature, outstanding feature is, each system information carrier wave frequency range is different.In order to make same equipment coupling each
Individual system, then must use and can comprise two frequency ranges and above antenna, be dual-band antenna and multifrequency
Antenna.
Owing to ceramic antenna possesses stable performance, use the advantage that temperature range is wide, in order to coordinate each location
The different frequency wave band of system normally uses in various complex environments, the modes using multiple-layer stacked more
Realize multi-band communication.Its needs of the mode of multi-level superposition use design bottom substrate big with head substrate
The structure of little mismatch, with reference to shown in Fig. 1, this antenna includes that bottom substrate 1, bottom substrate 1 are provided with top
Portion's substrate 2, head substrate is provided with radiating layer 3, owing to head substrate 2 is that superposition is arranged on bottom substrate
On 1, thus the volume that result in its finished antenna is relatively big, needs extra installing space, and has one
That determines region interferes region, the bottom substrate 1 in specially Fig. 1 and head substrate 2 marginal position
Radiation interference region 4, the performance of whole product antenna can be caused to be affected.
Summary of the invention
To this end, the invention provides a kind of use the coplanar nested mode arranged to design multifrequency antenna, from
And the volume range of finished antenna can be substantially reduced, and eliminate each level-superposed substrate edge region
Radiation interference defect.
For achieving the above object, inventor provide a kind of consubstantiality coplanar multi-frequency polarized antenna, including the
One substrate, has dug the first receiving cavity in described first substrate, described first receiving cavity is coplanar to be embedded
Second substrate, first substrate and second substrate upper surface is had to be provided with radiation electrode, first substrate and the second base
Plate lower surface is provided with on reflecting electrode, first substrate and second substrate and is respectively equipped with feed pin.
Further, the radiation of described first substrate upper surface has the first radiation electrode, on described second substrate
It is provided with the second radiation electrode, by insulator separation between the first radiation electrode and the second radiation electrode.
Further, described first receiving cavity inwall is provided with metal conduction layer, described metal conduction layer with
Radiation electrode and reflecting electrode connect.
Further, described second substrate is provided with central through hole, and described central through hole inwall is provided with metal
Layer, described metal level is connected with radiation electrode and reflecting electrode.Central through hole and inwall metal level thereof are set
Conducting, effectively increase zero potential area, thus the interference being prevented effectively between feed pin.
Further, feed pin number is multiple.
Further, feed pin is arranged in pairs on first substrate and second substrate.
Further, described first substrate and second substrate are identical material substrate.
Further, described first substrate and second substrate are unlike material substrate.
Further, described first substrate is rectangular substrate, and second substrate is circular substrate.
Further, described second substrate having dug the second receiving cavity, the second receiving cavity is coplanar embedding
Being provided with the 3rd substrate, described 3rd substrate upper and lower surface is also respectively equipped with radiation electrode and reflecting electrode, the
It also is provided with feed pin on three substrates.
Further, the radiation of described first substrate upper surface has the first radiation electrode, on described second substrate
It is provided with the second radiation electrode, by insulator separation between the first radiation electrode and the second radiation electrode.
Further, described 3rd substrate is provided with central through hole, and described central through hole inwall is provided with gold
Belonging to layer, described metal level is connected with radiation electrode and reflecting electrode.
Further, described radiation electrode and reflecting electrode are silver electrode.
Further, feed pin number is multiple.
Further, feed pin is the silver-plated pin of pyrite.
Further, first substrate is square ceramic collective, and its long scope is 10～50mm, wide scope
For～50mm, thickness range is 2～6mm.
Further, first substrate is round ceramic collective, and its diameter range is 10～50mm, thickness model
Enclose is 2～6mm.
Present invention also offers a kind of method for preparing above-mentioned consubstantiality coplanar multi-frequency polarized antenna, from
And improve the preparation efficiency of finished antenna and stablize the performance of finished antenna, comprise the following steps:
Each substrate is arranged corresponding receiving cavity according to nest relation die sinking,
By each substrate by the coplanar nested welding fabrication of high-temperature soldering mode,
By arranging radiation electrode and reflecting electrode on screen printing mode substrate after shaping,
Substrate welds feed pin.
Further, radiation electrode and reflecting electrode are silver electrode, by high temperature metallization silver electrode
Mode, makes silver electrode together with the substrate bonding after molding.
Further, feed pin passes through soldering on radiation electrode and reflecting electrode.
Compared with prior art, it is an advantage of the current invention that:
1, the present invention realizes setting of multifrequency antenna by the way of using the coplanar nested setting of multiple substrates
Meter, the antenna product outer volume after design is only identical with the volume of first substrate, thus compares more existing
The mode of superposition substrate design multifrequency antenna, it is possible to be greatly reduced multifrequency antenna actual volume, Er Qieyou
It is co-planar designs in whole antenna product, there is the profile space of complete and smooth, when therefore installing, be not required to
Want electronic equipment to have extra installing space, provide convenient selection for various electronic equipments,
Save the space of complete machine.
2, the present invention is by multiple different substrate multinest patterns, it is possible to the sky of Integrated design multi-frequency
Line.
3, the present invention uses nested mode, by the multiple identical or ceramic matrix of different materials, the most embedding
It is nested together such that it is able to be substantially reduced the volume range of finished antenna, and eliminate each level-superposed
The radiation interference defect of substrate edge region.
4, high-temperature soldering is used to be welded together by each nested matrix, then Uniting radiation and reflecting electrode,
Welding feed point pin, forms the multi-frequency polarized antenna that consubstantiality is coplanar.
5, its frequency range of the antenna of the present invention is in 400MHz～8.5GHz, resonance frequency >=2.
6, the structure of this product is prone to processing, easy to assembly, is suitable for promoting the use on a large scale.
Accompanying drawing explanation
Fig. 1 is multifrequency antenna sectional view of the prior art.
Fig. 2 is the perspective view of first embodiment.
Fig. 3 is the perspective view of the band partial perspective of first embodiment.
Fig. 4 is the Split type structure schematic diagram of first embodiment.
Fig. 5 is the sectional view of first embodiment.
Fig. 6 is the perspective view of the second embodiment.
Main Reference Numerals illustrates:
101, substrate
102, receiving cavity
201, substrate
202, receiving cavity
301, substrate
401, radiation electrode
402, radiation electrode
403, radiation electrode
501, feed pin
502, feed pin
503, feed pin
601, metal conduction layer
701, central through hole
702, metal level
Detailed description of the invention
By describing the technology contents of technical scheme, structural feature in detail, being realized purpose and effect, below
In conjunction with specific embodiments and coordinate accompanying drawing to be explained in detail.
First embodiment:
Referring to figs. 2 to shown in Fig. 5, a kind of consubstantiality coplanar multi-frequency polarized antenna, including substrate 101, base
Plate 101 is rectangle, has dug circular receiving cavity 102 in described substrate 101, in further embodiments,
Receiving cavity 102 can also be rectangle or oval or other geometries.Described receiving cavity 102
The coplanar substrate 201 that is embedded with, substrate 201 is the circular substrate 201 of matching circular receiving cavity 102.Will
Substrate 201 is by high-temperature soldering mode nested welding fabrication coplanar with substrate 101, substrate 101 and substrate
201 upper surfaces are provided with radiation electrode 401, substrate 101 and substrate 201 lower surface and are provided with reflecting electrode (not
Signal), the radiation of described substrate 101 upper surface has radiation electrode 401, described substrate 201 to be provided with radiation
Electrode 402, by insulator separation between radiation electrode 401 and radiation electrode 402.Radiation electrode 401,
402 and reflecting electrode be by screen printing mode substrate 101 after shaping and substrate 201.Radiation
Electrode 401 is and the annular of substrate 101 form fit, and radiation electrode 402 is arranged in substrate 201
Portion, is shaped as irregular quadrilateral, and its swept area is equivalent to rectangle.Radiation electrode 402 and radiation electric
Between pole 401, there is insulator separation.
Feed pin 501,502 it is respectively equipped with on substrate 101 and substrate 201.Feed pin 501,502 is yellow
The silver-plated pin of copper.Substrate 101 is provided with 2 feed pin 501 in the present embodiment, and substrate 201 is provided with 2
Individual feed pin 502, feed pin 501,502 is arranged in pairs on substrate 101 and substrate 201.
In the present embodiment, described receiving cavity 102 inwall is provided with metal conduction layer 601, described metal conduction
Layer 601 is connected with radiation electrode 401 and reflecting electrode.
In the present embodiment, described substrate 201 is provided with central through hole 701, and described central through hole inwall is provided with
Metal level 702, described metal level 702 is connected with radiation electrode 402 and reflecting electrode.Central through hole is set
701 and inwall metal level 702 turn on, effectively increase zero potential area, thus be prevented effectively from feed pin it
Between interference.
In the present embodiment, described substrate 101 and substrate 201 can be identical or different material substrate, this
In embodiment, substrate 101 and substrate 201 all use the ceramic substrate of identical material.
In the present embodiment, described radiation electrode 401,402 and reflecting electrode are silver electrode.
Second embodiment:
With reference to shown in Fig. 6, the present embodiment basic structure is this enforcement with the difference of first embodiment
Example uses 3 coplanar nested designs of substrate 101,201,301 form, dig in described substrate 101
There is circular receiving cavity 102, the coplanar substrate 201 that is embedded with of described receiving cavity 102, described substrate 201
On dug receiving cavity 202, receiving cavity 202 is coplanar is embedded with substrate 301.On described substrate 301
Lower surface is also respectively equipped with radiation electrode 403 and reflecting electrode, and substrate 301 also is provided with feed pin 503,
Feed pin 501,502,503 is all adopted as the silver-plated pin of pyrite, and substrate 101 is provided with two feed pin 501,
Substrate 201 is provided with two feed pin 502, and substrate 301 is provided with two feed pin 503.And feed pin
501,502,503 it is arranged in pairs on substrate 101, substrate 201 and substrate 301.
The radiation of described substrate 101 upper surface has radiation electrode 401, described substrate 201 to be provided with radiation electrode
402, described substrate 301 is provided with radiation electrode 403, radiation electrode 401, radiation electrode 402 and radiation
Respectively by insulator separation between electrode 403.Radiation electrode 401 is ring radiation electrode 403, radiation electric
Pole 402 is equivalent rectangular radiation electrode 403, and radiation electrode 403 is rectangular radiation electrode 403.
In the present embodiment, described substrate 301 also is provided with central through hole 701, in described central through hole 701
Wall is provided with metal level 702, and described metal level 702 is connected with radiation electrode 403 and reflecting electrode.
Radiation electrode 401, radiation electrode 402 and radiation electrode 403 and reflecting electrode are silver electrode.
Present invention also offers a kind of method for preparing above-mentioned consubstantiality coplanar multi-frequency polarized antenna, from
And improve the preparation efficiency of finished antenna and stablize the performance of finished antenna, comprise the following steps:
Each substrate 101,201,301 is arranged corresponding receiving cavity 102,202 according to nest relation die sinking,
By each substrate by the coplanar nested welding fabrication of high-temperature soldering mode, specifically, real for first
Execute in example, then by substrate 101 with substrate 201 by the coplanar nested welding fabrication of high-temperature soldering mode, right
Then that substrate 101, substrate 201 and substrate 301 is coplanar nested by high-temperature soldering mode in the second embodiment
Welding fabrication；If all employing ceramic matrixs are as substrate 101, substrate 201 and substrate 301, then by three
The nested high-temperature soldering mode of ceramic matrix 101,201,301 forms a ceramic matrix,
By arranging radiation electrode 401,402,403 and anti-on screen printing mode substrate after shaping
Radio pole, radiation electrode 401,402,403 and reflecting electrode are silver electrode, pass through high temperature metallization
The mode of silver electrode, makes silver electrode together with the substrate bonding after molding.Thus on ceramic matrix surface
Cover last layer surface silver electrode.
Substrate welds feed pin 501,502,503.Feed pin 501,502,503 is welded by soldering
It is connected on radiation electrode 401,402,403 and reflecting electrode.Thus form one and have multiple specific humorous
The ceramic antenna of vibration frequency.
For above-described embodiment, the ceramic antenna being fabricated to can be operated in the wider of 400MHz～5.8GHz
In frequency range, each substrate can select different materials, it is achieved any multi-frequency combination circle that consubstantiality is coplanar
Poliarizing antenna.Antenna performance is suitable with the antenna performance with profile, and antenna does not disturbs.
Substrate 101 can select square, long (wide) scope 10～50mm, thickness range 2～
6mm, or substrate 101 diameter range is 10～50mm, and thickness range is made pottery in the circle of 2～6mm
Porcelain basal body.
With reference to shown in Fig. 5, above-described embodiment in the present invention is it can be seen that finished antenna in the present invention
A length of b of substrate 101, height is a, and the size of the most whole finished antenna is then equal to substrate
The size of 101.And with reference to shown in Fig. 1, superimposed type multi-frequency polarized antenna of the prior art, its length
For b, the most then it is a ', it is evident that in the antenna after the ceramic matrix using same height is laminated,
Its height a ' is more than the height a of the finished antenna in the present invention.Therefore the present invention is by using multiple substrates altogether
The mode that face nesting is arranged realizes the design of multifrequency antenna, and the antenna product outer volume after design is only with the
The volume of one substrate is identical, thus compares the mode of more existing superposition substrate design multifrequency antenna, it is possible to
It is greatly reduced multifrequency antenna actual volume, and owing to whole antenna product is co-planar designs, has had
The profile space that leveling is sliding, when therefore installing, it is not necessary to electronic equipment has extra installing space, for
Various electronic equipments provide convenient selection, save the space of complete machine.
With reference to shown in Fig. 5, owing to the present invention uses nested mode, by multiple identical or different materials
Ceramic matrix, is nested into one another such that it is able to be substantially reduced the volume range of finished antenna, and
Compare Fig. 1 it can be seen that the present invention product antenna in, there is no each level-superposed substrate edge region 4,
The finished antenna of the visible present invention eliminates the radiation interference defect of each level-superposed substrate edge region 4.
The structure of this finished antenna is prone to processing, easy to assembly, is suitable for promoting the use on a large scale.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to
One entity or operation are separated with another entity or operating space, and not necessarily requires or imply
Relation or the order of any this reality is there is between these entities or operation.And, term " includes ",
" comprise " or its any other variant is intended to comprising of nonexcludability, so that include that one is
The process of row key element, method, article or terminal unit not only include those key elements, but also include not
There are other key elements being expressly recited, or also include setting for this process, method, article or terminal
Standby intrinsic key element.In the case of there is no more restriction, by statement " including ... " or " comprising ... "
The key element limited, it is not excluded that in including the process of described key element, method, article or terminal unit
There is also other key element.Additionally, in this article, " being more than ", " being less than ", " exceeding " etc. are interpreted as not
Including this number；More than " ", " below ", " within " etc. be interpreted as including this number.
Although being described the various embodiments described above, but those skilled in the art once learn
Basic creative concept, then can make other change and amendment to these embodiments, so above institute
Stating only embodiments of the invention, not thereby limit the scope of patent protection of the present invention, every utilization is originally
Equivalent structure or equivalence flow process that description of the invention and accompanying drawing content are made convert, or directly or indirectly use
In the technical field that other are relevant, within being the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. a consubstantiality coplanar multi-frequency polarized antenna, it is characterised in that: include first substrate, described
Having dug the first receiving cavity in one substrate, described first receiving cavity is coplanar is embedded with second substrate, the
One substrate and second substrate upper surface are provided with radiation electrode, first substrate and second substrate lower surface and are provided with instead
It is respectively equipped with feed pin on radio pole, first substrate and second substrate.
A kind of consubstantiality coplanar multi-frequency polarized antenna the most according to claim 1, it is characterised in that:
The radiation of described first substrate upper surface has the first radiation electrode, described second substrate to be provided with the second radiation electric
Pole, by insulator separation between the first radiation electrode and the second radiation electrode.
A kind of consubstantiality coplanar multi-frequency polarized antenna the most according to claim 2, it is characterised in that:
Described first receiving cavity inwall is provided with metal conduction layer, described metal conduction layer and radiation electrode and reflection
Electrode connects.
A kind of consubstantiality coplanar multi-frequency polarized antenna the most according to claim 2, it is characterised in that:
Described second substrate is provided with central through hole, and described central through hole inwall is provided with metal level, described metal level
It is connected with radiation electrode and reflecting electrode.
A kind of consubstantiality coplanar multi-frequency polarized antenna the most according to claim 1, it is characterised in that:
Having dug the second receiving cavity on described second substrate, the second receiving cavity is coplanar is embedded with the 3rd substrate,
Described 3rd substrate upper and lower surface is also respectively equipped with radiation electrode and reflecting electrode, and the 3rd substrate also is provided with
Feed pin.
A kind of consubstantiality coplanar multi-frequency polarized antenna the most according to claim 5, it is characterised in that:
The radiation of described first substrate upper surface has the first radiation electrode, described second substrate to be provided with the second radiation electric
Pole, described 3rd substrate is provided with the 3rd radiation electrode, the first radiation electrode, the second radiation electrode and the 3rd
By insulator separation between radiation electrode.
A kind of consubstantiality coplanar multi-frequency polarized antenna the most according to claim 5, it is characterised in that:
Described 3rd substrate is provided with central through hole, and described central through hole inwall is provided with metal level, described metal level
It is connected with radiation electrode and reflecting electrode.
A kind of consubstantiality coplanar multi-frequency polarized antenna the most according to claim 1, it is characterised in that:
Described radiation electrode and reflecting electrode are silver electrode.
A kind of consubstantiality coplanar multi-frequency polarized antenna the most according to claim 1, it is characterised in that:
Feed pin number is multiple.
10. one kind is used for making the arbitrary consubstantiality of the claims 1 to 9 coplanar multi-frequency polarized antenna
Preparation method, it is characterised in that: comprise the following steps:
Each substrate is arranged corresponding receiving cavity according to nest relation die sinking,
By each substrate by the coplanar nested welding fabrication of high-temperature soldering mode,
By arranging radiation electrode and reflecting electrode on screen printing mode substrate after shaping,
Substrate welds feed pin.
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| CN201610379878.XA CN105870622A (en) | 2016-05-31 | 2016-05-31 | Consubstantial coplanar multi-frequency circularly polarized antenna and manufacturing method thereof |
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Cited By (6)
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| CN106450777A (en) * | 2016-08-31 | 2017-02-22 | 重庆大学 | Circular polarization microstrip antenna |
| CN109273829A (en) * | 2018-09-21 | 2019-01-25 | 上海海积信息科技股份有限公司 | A kind of satellite navigation array antenna |
| CN109546323A (en) * | 2018-12-12 | 2019-03-29 | 东莞理工学院 | A kind of dual-band dual-polarized common reflector applied to wireless communication system |
| CN110388984A (en) * | 2018-04-18 | 2019-10-29 | 中国科学院沈阳自动化研究所 | A kind of broadband terahertz wave detector |
| CN111509403A (en) * | 2019-01-31 | 2020-08-07 | Oppo广东移动通信有限公司 | Array antenna and electronic device |
| CN114465021A (en) * | 2021-12-31 | 2022-05-10 | 深圳市信为通讯技术有限公司 | Multi-polarization combined antenna |
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| CN109273829A (en) * | 2018-09-21 | 2019-01-25 | 上海海积信息科技股份有限公司 | A kind of satellite navigation array antenna |
| CN109546323A (en) * | 2018-12-12 | 2019-03-29 | 东莞理工学院 | A kind of dual-band dual-polarized common reflector applied to wireless communication system |
| CN111509403A (en) * | 2019-01-31 | 2020-08-07 | Oppo广东移动通信有限公司 | Array antenna and electronic device |
| CN114465021A (en) * | 2021-12-31 | 2022-05-10 | 深圳市信为通讯技术有限公司 | Multi-polarization combined antenna |
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