CN109546346A - A kind of dual circularly polarized antenna unit of stepped construction - Google Patents
A kind of dual circularly polarized antenna unit of stepped construction Download PDFInfo
- Publication number
- CN109546346A CN109546346A CN201811427464.5A CN201811427464A CN109546346A CN 109546346 A CN109546346 A CN 109546346A CN 201811427464 A CN201811427464 A CN 201811427464A CN 109546346 A CN109546346 A CN 109546346A
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- China
- Prior art keywords
- upper layer
- microstrip antenna
- bridge circuit
- strip line
- layer
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
-
- 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
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of dual circularly polarized antenna unit of stepped construction, comprising: lower metal backboard, strip line bridge circuit board, upper layer metal backing, lower layer of microstrip antenna patch, froth bed and upper layer microstrip antenna patch；Between lower metal backboard and upper layer metal backing, lower layer of microstrip antenna patch is located on the upper layer metal backing strip line bridge circuit board, and froth bed is located on the lower layer of microstrip antenna patch, and upper layer microstrip antenna patch is located on froth bed；By the first connector welding between lower metal backboard and strip line bridge circuit board, pass through the second connector welding between strip line bridge circuit board, upper layer metal backing and lower layer of microstrip antenna patch.By the way that upper layer metal backing is arranged, and the connection between strip line bridge circuit board and lower layer of microstrip antenna patch is realized by way of medium is added and is sintered connector, the use of laminated multi-layer plate technique is avoided, cost is relatively low, and strip line bridge circuit and microstrip antenna patch are easily isolated.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of double circles for the stepped construction that can be applied to Conformal Phased Array
Polarized antenna elements.
Background technique
Frequency spectrum resource is more and more valuable in modern communications, can be sufficiently sharp by the use of the antennas system such as double-circle polarization
With existing frequency spectrum resource, more information is transmitted.And in such an application, miniaturization, integrated dual circularly polarized antenna unit
Just become extremely important.
Suitable for the dual circularly polarized antenna of Conformal Phased Array, its section height is very limited, otherwise can be formed with adjacent front
Interference.So completing the design such as strip line bridge, double-layer paster antenna how under such height limitation, becoming one
Huge challenge.The stack design and the electrical connection between them of strip line bridge and antenna patch, require to occupy as far as possible
The smallest height space.
The dual circularly polarized antenna of currently used stepped construction using laminated multi-layer plate technique because being realized, and multilayer laminate
Expense caused by technique is very expensive, and dual circularly polarized antenna is laminated made of laminated multi-layer technique, keeps strip line electric
Bridge cannot be separated with antenna patch, in the debugging stage, if antenna patch or strip line bridge any one go wrong, whole
Body is scrapped.
Summary of the invention
The application provides a kind of dual circularly polarized antenna unit of stepped construction, including lower metal backboard, strip line bridge
Circuit board, upper layer metal backing, lower layer of microstrip antenna patch, froth bed and upper layer microstrip antenna patch；
For the strip line bridge circuit board between the lower metal backboard and upper layer metal backing, the lower layer is micro-
Band antenna patch is located on the upper layer metal backing, and the froth bed is located on the lower layer of microstrip antenna patch, institute
Upper layer microstrip antenna patch is stated to be located on the froth bed；
It is described band-like by the first connector welding between the lower metal backboard and the strip line bridge circuit board
Pass through the second connector welding between line bridge circuit plate, upper layer metal backing and lower layer of microstrip antenna patch.
In a kind of embodiment, there are the holes installed and used for the first connector according to feed placement for the lower metal backboard
Position, and there are circular cavities, to accommodate second connector in the solder joint of the strip line bridge circuit board underthrust.
In a kind of embodiment, the strip line bridge circuit board includes top dielectric plate and layer dielectric plate, the upper layer
Dielectric-slab and layer dielectric plate are bonded by prepreg to be connected.
In a kind of embodiment, there are install and use for second connector according to feed placement for the upper layer metal backing
Hole location, and there are circular cavity, to accommodate the solder joint that the first connector is inserted on strip line bridge circuit board.
In a kind of embodiment, the top surface of the dielectric-slab of the lower layer of microstrip antenna patch is printed with antenna element, is feeding
Point position is equipped with through-hole, and welding is inserted on the lower layer of microstrip antenna patch for the second connector.
In a kind of embodiment, the froth bed lower surface is equipped with pit, to accommodate the second connector in lower layer's micro-strip
The solder joint inserted on antenna patch.
In a kind of embodiment, the bottom surface of the dielectric-slab of the upper layer microstrip antenna patch is printed with antenna element.
In a kind of embodiment, the lower metal backboard, strip line bridge circuit board, upper layer metal backing, lower layer's micro-strip
Antenna patch, froth bed and upper layer microstrip antenna patch are fixed by screws in together.
According to the dual circularly polarized antenna unit of above-described embodiment, by strip line bridge circuit board and lower layer of microstrip antenna
Between patch be arranged upper layer metal backing, and be added medium be sintered connector by way of realize strip line bridge circuit board with
Connection between lower layer of microstrip antenna patch simplifies and wears a layer circuit, so that the section height of entire antenna reduces, avoids more
The use of laminate technology, it is easy to process, cost is relatively low, and also strip line bridge circuit and microstrip antenna patch are easy to point
From, debugging the stage be easy orientation problem, be ideal dual circularly polarized antenna structure type.
Detailed description of the invention
Fig. 1 is the dual circularly polarized antenna cell schematics of stepped construction；
Fig. 2 is dual polarization port standing wave curve graph；
Fig. 3 is right-handed circular polarization directional diagram；
Fig. 4 is left-hand circular polarization directional diagram.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
In embodiments of the present invention, often there is higher section height mainly for existing dual circularly polarized antenna, if adopted
It can not then be separated in face of high processing cost and antenna, the debugging of polarizer stripline board again with the technology of micro-strip plate laminated multi-layer
The problem of.The present invention is by the way of strip line bridge and double-layer paster antenna stack design, by adding in isolating metal plate
Enter the mode of medium sintering connector, so that the section height of entire antenna reduces, it is ideal dual circularly polarized antenna structure shape
Formula.
The structure chart of the dual circularly polarized antenna unit for the stepped construction that this example provides is as shown in Figure 1, include that lower metal is carried on the back
Plate 1, strip line bridge circuit board 2, upper layer metal backing 3, lower layer of microstrip antenna patch 4, froth bed 5 and upper layer microstrip antenna patch
The multilayered structures such as piece 6.Wherein, strip line bridge circuit board 2 is between lower metal backboard 1 and upper layer metal backing 3, lower layer
Microstrip antenna patch 4 is located on upper layer metal backing 3, and froth bed 5 is located on lower layer of microstrip antenna patch 4, upper layer micro-strip
Antenna patch 6 is located on froth bed 5.
Pass through the sequence arrangement between above layers, the electric connection mode of interlayer are as follows: lower metal backboard 1 and strip line
Pass through the first connector welding, strip line bridge circuit board 2, upper layer metal backing 3 and lower layer's micro-strip day between bridge circuit plate 2
Pass through the second connector welding between line patch 4.
This example makes strip line bridge circuit by way of setting upper layer metal backing 3 and by the way that sintering connector is added
It can be separated between plate 2 and microstrip antenna patch, convenient for debugging phase orientation, meanwhile, in the dual circularly polarized antenna list of this example
In the manufacturing process of member, only strip line bridge circuit board 2 needs double-layer lamination technology, and double-layer lamination technology is highly developed
Lamination, it is at low cost, avoid the three-layer lamination technology between strip line bridge circuit board 2 and lower layer of microstrip antenna patch 4
(process costs of three-layer lamination technology are very high), therefore, this example realize a kind of low section by dexterously stack design
Dual circularly polarized antenna is laminated, under limited height, it is all to realize the double-deck micro-strip paster antenna, electric bridge and interlayer electrical connection etc.
More structures, and have technique realizability, feature at low cost.
The design feature of each layer is detailed below.
There are the hole locations installed and used for the first connector according to feed placement for lower metal backboard 1, and there are circles
Cavity, to accommodate the second connector in the solder joint of strip line bridge circuit board underthrust, wherein the first connector is T405-
SPFZF-170MM, the second connector are WB-531.
Strip line bridge circuit board 2 includes top dielectric plate and layer dielectric plate, and top dielectric plate and layer dielectric plate are logical
Prepreg bonding connection is crossed, the overall thickness of the strip line bridge circuit board 2 of this example is about 2.2mm.
There are the hole location installed and used for second connector, upper layer metals according to feed placement for upper layer metal backing 3
The thickness of backboard 3 is identical as the second connector sintering height, is 2mm, and there are some circles for 3 lower surface of upper layer metal backing
Cavity, to accommodate the solder joint that the first connector is inserted on strip line bridge circuit board 2.
The top surface of the dielectric-slab of lower layer of microstrip antenna patch 4 is printed with antenna element, and through-hole is equipped in feed position,
Welding is inserted on lower layer of microstrip antenna patch 4 for the second connector.
5 lower surface of froth bed is equipped with pit, to accommodate the solder joint that the second connector is inserted on lower layer of microstrip antenna patch 4.
The bottom surface of the dielectric-slab of upper layer microstrip antenna patch 6 is printed with antenna element, even if antenna element left-hand thread is in medium
Below plate, achieve the effect that protection.
Based on the design feature of above-mentioned each layer, the erection sequence of the dual circularly polarized antenna unit of this example are as follows: first by
Two connectors are placed in the corresponding position of 2 upper surface of strip line bridge circuit board, and the underthrust stitch of the second connector wears strip line
2 lower surface of bridge circuit plate is welded, and the strip line bridge circuit board 2 after welding is then placed in lower metal backboard 1
On, the first connector is fixed on the corresponding position of lower metal backboard 1, be inserted through on the first connector lower metal backboard 1 with
Strip line bridge circuit board 2, and by the first connector welding in 2 upper surface of strip line bridge circuit board, then, by upper layer metal
Backboard 3, lower layer of microstrip antenna patch 4 successively stack up according to positioning, and the upper contact pin foot of the second connector passes through upper layer metal
Backboard 3 and lower layer of microstrip antenna patch 4, and by the second connector welding in the upper surface of lower layer of microstrip antenna patch, after welding,
Froth bed 5 and the positioning of upper layer microstrip antenna patch 6 are successively mounted thereon again, finally, by lower metal backboard 1, strip line
Bridge circuit plate 2, upper layer metal backing 3, lower layer of microstrip antenna patch 4, froth bed 5 and upper layer microstrip antenna patch 6 pass through spiral shell
Nail is fixed together, so as to complete the installation of dual circularly polarized antenna unit.
The dual circularly polarized antenna unit performance analogous diagram of this example is as shown in figs 2-4.
Fig. 2 is the actual measurement dual polarization port standing wave curve graph of Fig. 1 embodiment, and wherein abscissa represents frequency variable, unit
GHz；Ordinate represents standing wave VSWR amplitude variations.As shown in Figure 1, the present embodiment laminated antenna working band be 8GHz~
8.5GHz, two polarized port standing wave VSWR are in passband less than 1.3.
Fig. 3 is the right-handed circular polarization antenna radiation pattern of Fig. 1 embodiment, and wherein abscissa represents angle variables, unit degree；It is vertical
Coordinate represents gain, unit dB.As shown in figure 3, the right-handed circular polarization excellent performance of the present embodiment, the cross polarization of normal orientation
Isolation is about 16.6dB.
Fig. 4 is the left-hand circular polarization antenna radiation pattern of Fig. 1 embodiment, and wherein abscissa represents angle variables, unit degree；It is vertical
Coordinate represents gain, unit dB.As shown in figure 4, the gain of the present embodiment is about 8.6dB, left-hand circular polarization excellent performance, method
It is about 16.5dB to the cross polarization isolation in direction.
Therefore, for the conformal demand of phased array, in the limited situation of section height of antenna element, this example passes through increasing
In addition layer metal backing 3, and by dexterously designing the electrical connection between each layer, reach and avoids using multi-layer laminate technology, section
The purpose of processing cost is saved, meanwhile, it, can be by microstrip antenna patch and band in the debugging stage by eliminating the welding between each layer
It is separated between shape line bridge circuit plate, realizes that the debugging stage holds easy positioning purpose.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (8)
1. a kind of dual circularly polarized antenna unit of stepped construction characterized by comprising lower metal backboard, strip line bridge
Circuit board, upper layer metal backing, lower layer of microstrip antenna patch, froth bed and upper layer microstrip antenna patch；
The strip line bridge circuit board is between the lower metal backboard and upper layer metal backing, lower layer's micro-strip day
Line patch is located on the upper layer metal backing, and the froth bed is located on the lower layer of microstrip antenna patch, it is described on
Layer microstrip antenna patch is located on the froth bed；
Pass through the first connector welding, the strip line electricity between the lower metal backboard and the strip line bridge circuit board
Pass through the second connector welding between bridge circuit cards, upper layer metal backing and lower layer of microstrip antenna patch.
2. dual circularly polarized antenna unit as described in claim 1, which is characterized in that the lower metal backboard is according to feed position
Set that there are the hole locations installed and used for the first connector, and there are circular cavities, to accommodate second connector described
The solder joint of strip line bridge circuit board underthrust.
3. dual circularly polarized antenna unit as described in claim 1, which is characterized in that the strip line bridge circuit board includes upper
Layer dielectric-slab and layer dielectric plate, the top dielectric plate and layer dielectric plate are bonded by prepreg to be connected.
4. dual circularly polarized antenna unit as described in claim 1, which is characterized in that the upper layer metal backing is according to feed position
Set that there are the hole locations installed and used for second connector, and there are circular cavities, to accommodate the first connector band-like
The solder joint inserted on line bridge circuit plate.
5. dual circularly polarized antenna unit as described in claim 1, which is characterized in that the medium of the lower layer of microstrip antenna patch
The top surface of plate is printed with antenna element, through-hole is equipped in feed position, for the second connector in the lower layer of microstrip antenna
Welding is inserted on patch.
6. dual circularly polarized antenna unit as described in claim 1, which is characterized in that the froth bed lower surface is equipped with pit,
To accommodate the solder joint that the second connector is inserted on the lower layer of microstrip antenna patch.
7. dual circularly polarized antenna unit as described in claim 1, which is characterized in that the medium of the upper layer microstrip antenna patch
The bottom surface of plate is printed with antenna element.
8. dual circularly polarized antenna unit as described in claim 1, which is characterized in that the lower metal backboard, strip line electricity
Bridge circuit cards, upper layer metal backing, lower layer of microstrip antenna patch, froth bed and upper layer microstrip antenna patch are fixed by screws in
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427464.5A CN109546346B (en) | 2018-11-27 | 2018-11-27 | Double-circular polarization antenna unit with laminated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427464.5A CN109546346B (en) | 2018-11-27 | 2018-11-27 | Double-circular polarization antenna unit with laminated structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546346A true CN109546346A (en) | 2019-03-29 |
| CN109546346B CN109546346B (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811427464.5A Active CN109546346B (en) | 2018-11-27 | 2018-11-27 | Double-circular polarization antenna unit with laminated structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490656A (en) * | 2020-12-08 | 2021-03-12 | 西安电子科技大学 | Small circularly polarized GPS-BD microstrip antenna with positioning capability |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004356674A (en) * | 2003-05-27 | 2004-12-16 | Kobe Steel Ltd | Method of manufacturing high-frequency circuit device and high-frequency circuit device manufactured by this method |
| CN101106215A (en) * | 2007-08-20 | 2008-01-16 | 哈尔滨工程大学 | Half U type open slot overlapping wide frequency band micro band antenna |
| CN102013551A (en) * | 2010-09-15 | 2011-04-13 | 华南理工大学 | Circularly polarized ceramic antenna based on coupling and feeding of strip line via multiple slots |
| CN102891360A (en) * | 2012-09-29 | 2013-01-23 | 航天恒星科技有限公司 | Broadband miniaturization double-rotating circularly polarized antenna |
| CN103022730A (en) * | 2012-12-27 | 2013-04-03 | 北京理工大学 | High-gain multilayer dielectric composite dual-circular-polarization micro-strip array antenna |
| CN203300803U (en) * | 2013-06-21 | 2013-11-20 | 北斗天汇（北京）科技有限公司 | Beidou/GPS dual-mode hand-held machine multi-frequency point high gain transceiver antenna |
| CN105024143A (en) * | 2015-08-06 | 2015-11-04 | 中国电子科技集团公司第三十八研究所 | Chip-type Ka-frequency band wide-angle scanning satellite communication antenna |
| CN205004425U (en) * | 2015-10-20 | 2016-01-27 | 上海航天测控通信研究所 | Board carries stripline merit and divides ware |
| CN205159507U (en) * | 2015-12-08 | 2016-04-13 | 西安航光卫星测控技术有限公司 | On -vehicle receiving antenna of big dipper |
| CN105789917A (en) * | 2016-03-07 | 2016-07-20 | 北京航天控制仪器研究所 | Multi-frequency multi-mode handset navigation antenna |
| CN207087213U (en) * | 2017-06-29 | 2018-03-13 | 唐山钢铁集团有限责任公司 | For preparing the welding positioning tool of solder joint shearing resistance tensile sample |
| CN207149690U (en) * | 2017-08-14 | 2018-03-27 | 西安超天通信科技有限公司 | A kind of Big Dipper multi-frequency wide-beam circular polarization antenna |
-
2018
- 2018-11-27 CN CN201811427464.5A patent/CN109546346B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004356674A (en) * | 2003-05-27 | 2004-12-16 | Kobe Steel Ltd | Method of manufacturing high-frequency circuit device and high-frequency circuit device manufactured by this method |
| CN101106215A (en) * | 2007-08-20 | 2008-01-16 | 哈尔滨工程大学 | Half U type open slot overlapping wide frequency band micro band antenna |
| CN102013551A (en) * | 2010-09-15 | 2011-04-13 | 华南理工大学 | Circularly polarized ceramic antenna based on coupling and feeding of strip line via multiple slots |
| CN102891360A (en) * | 2012-09-29 | 2013-01-23 | 航天恒星科技有限公司 | Broadband miniaturization double-rotating circularly polarized antenna |
| CN103022730A (en) * | 2012-12-27 | 2013-04-03 | 北京理工大学 | High-gain multilayer dielectric composite dual-circular-polarization micro-strip array antenna |
| CN203300803U (en) * | 2013-06-21 | 2013-11-20 | 北斗天汇（北京）科技有限公司 | Beidou/GPS dual-mode hand-held machine multi-frequency point high gain transceiver antenna |
| CN105024143A (en) * | 2015-08-06 | 2015-11-04 | 中国电子科技集团公司第三十八研究所 | Chip-type Ka-frequency band wide-angle scanning satellite communication antenna |
| CN205004425U (en) * | 2015-10-20 | 2016-01-27 | 上海航天测控通信研究所 | Board carries stripline merit and divides ware |
| CN205159507U (en) * | 2015-12-08 | 2016-04-13 | 西安航光卫星测控技术有限公司 | On -vehicle receiving antenna of big dipper |
| CN105789917A (en) * | 2016-03-07 | 2016-07-20 | 北京航天控制仪器研究所 | Multi-frequency multi-mode handset navigation antenna |
| CN207087213U (en) * | 2017-06-29 | 2018-03-13 | 唐山钢铁集团有限责任公司 | For preparing the welding positioning tool of solder joint shearing resistance tensile sample |
| CN207149690U (en) * | 2017-08-14 | 2018-03-27 | 西安超天通信科技有限公司 | A kind of Big Dipper multi-frequency wide-beam circular polarization antenna |
Non-Patent Citations (1)
| Title |
|---|
| MIN GUO 等: ""Wideband dual-circularly-polarized microstrip antenna"", 《2010 INTERNATIONAL SYMPOSIUM ON SIGNALS, SYSTEMS AND ELECTRONICS》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490656A (en) * | 2020-12-08 | 2021-03-12 | 西安电子科技大学 | Small circularly polarized GPS-BD microstrip antenna with positioning capability |
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| Publication number | Publication date |
|---|---|
| CN109546346B (en) | 2021-09-07 |
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