CN107293853A - A kind of dual polarized antenna - Google Patents
A kind of dual polarized antenna Download PDFInfo
- Publication number
- CN107293853A CN107293853A CN201710461832.7A CN201710461832A CN107293853A CN 107293853 A CN107293853 A CN 107293853A CN 201710461832 A CN201710461832 A CN 201710461832A CN 107293853 A CN107293853 A CN 107293853A
- Authority
- CN
- China
- Prior art keywords
- antenna
- pcb substrate
- feeder line
- dual polarized
- radiation unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of dual polarized antenna, including first antenna member and the second antenna element are in right-angled intersection；The superficial radiation unit of first antenna member and the second Tianyuan line is above the first PCB substrate, bottom radiating element is located at the bottom surface of the second PCB substrate, first PCB substrate, second PCB substrate, connected between superficial radiation unit and bottom radiating element by via, internal layer feeder line is provided between first PCB substrate and the second PCB substrate, the bottom of superficial radiation unit is provided with top layer feeder line and match circuit, match circuit is connected with the first PCB substrate, the bottom of first PCB substrate is provided with feeder line via, the bottom of first antenna member and the second antenna element is respectively connected with coaxial radio-frequency joint, internal layer feeder line connects feeder line via, feeder line via matching connection circuit, match circuit connects top layer feeder line, top layer feeder line connects the inner core of coaxial radio-frequency joint.The dual polarized antenna that the present invention is provided generates the signal radiation of ultratvide frequency band, it is achieved thereby that high directionality and miniaturization.
Description
Technical field
The present invention relates to a kind of dual polarized antenna.
Background technology
The fast development of the communications industry, for the demand explosive growth of antenna, the 5G communication technologys are gradually ripe, it is desirable to have
The dual-polarization cells of ultra wide band constitute large-scale antenna array so as to realizing smart antenna.In Antenna testing system, probe is
One critical component, probe, which is generally required, uses dual polarized antenna, and traditional antenna, which will be realized, will realize covering 400MH extremely
Often design size is larger for 6000MHz this ultratvide frequency band.
The above is not enough, has much room for improvement.
The content of the invention
In order to overcome the shortcomings of existing technology, the present invention provides a kind of dual polarized antenna.
Technical solution of the present invention is as described below：
A kind of dual polarized antenna, including first antenna member and the second antenna element, first and described second antenna element of the first antenna
In right-angled intersection；First and described second Tianyuan line of the first antenna includes the first PCB substrate, the second PCB substrate, top layer spoke
Unit and bottom radiating element are penetrated, the superficial radiation unit is above first PCB substrate, and the bottom radiation is single
Member is located at the bottom surface of second PCB substrate, first PCB substrate, second PCB substrate, the superficial radiation unit
And it is equipped with multiple vias on the edge of the bottom radiating element, it is first PCB substrate, second PCB substrate, described
Connected between superficial radiation unit and the bottom radiating element by the via；First PCB substrate and described
Internal layer feeder line is provided between two PCB substrates, the bottom of the superficial radiation unit is provided with hollow out position, set at the hollow out position
There are top layer feeder line and match circuit, the match circuit is connected with first PCB substrate, and first PCB substrate is corresponding
The hollow out position is provided with feeder line via, the corresponding hollow out in bottom of first and described second antenna element of the first antenna
Position is respectively connected with coaxial radio-frequency joint, and the internal layer feeder line connects the feeder line via, and the feeder line via connection is described
Match circuit, the match circuit connects the top layer feeder line, and the top layer feeder line connects the inner core of the coaxial radio-frequency joint.
Further, the superficial radiation unit and the bottom radiating element include middle merging radiation fin and
The radiation fin for merging radiation fin both sides, radiation fin described in both sides with it is described merge form two between radiation fin
Gradual change gap, the bottom in two gradual change gaps forms the circular resonant ring of two hollow outs.
Further, the radiation fin is the coat of metal that one side is tapered to end, and the amplitude fin is provided with more
Bar rectangular slot.
Further, the radiation fin that merges is the tapered coat of metal in both sides.
Further, the bottom of the first antenna member axis is provided with the first mounting groove, the second antenna element axis
The other end of correspondence first mounting groove of line is provided with the second mounting groove, and first and described second antenna element of the first antenna leads to
Cross first mounting groove and second mounting groove alignment intersection be connected together, and the first antenna it is first with described second day
Line element is by being welded to connect.
Further, the first antenna is first is mutually perpendicular to second antenna element.
Further, first and described second antenna element of the first antenna passes through welding with the coaxial radio-frequency joint respectively
Connection.
Further, the top layer feeder line with the inner core by being welded to connect.
Further, the match circuit with first PCB substrate by being welded to connect.
Further, the coaxial radio-frequency joint is signaling interface.
According to the present invention of such scheme, its advantage is, a kind of dual polarized antenna that the present invention is provided, radio frequency letter
It is single in internal layer feeder line, feeder line via, match circuit, top layer feeder line, superficial radiation unit, bottom radiation number by feeder line feed-in
High frequency electric can be produced on these first parts, superficial radiation unit and bottom radiating element can produce the signal amplitude of ultratvide frequency band
Penetrate, it is achieved thereby that high directionality and miniaturization.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is first antenna member explosive view of the invention.
Fig. 3 is the second antenna element explosive view of the invention.
Fig. 4 is the first front view of the first antenna of the present invention.
Fig. 5 is the first rearview of the first antenna of the present invention.
Fig. 6 is the front view of the second antenna element of the present invention.
Fig. 7 is the rearview of the second antenna element of the present invention.
In figure, in figure, reference is as follows：
1- first antennas member；The antenna elements of 2- second；
11- superficial radiation units；12- bottom radiating elements；The PCB substrates of 13- first；The PCB substrates of 14- second；15- internal layers are presented
Line；16- coaxial radio-frequency joints；
The mounting grooves of 111- first；112- hollow outs position；113- radiates fin；114- merges radiation fin；115- resonant rings；116-
Feeder line via；117th, via；The mounting grooves of 211- second；
1121- top layers feeder line；1122- terminated lines；1131- slots；1141- gradual changes gap.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is further described embodiment：
As shown in Figures 1 to 7, a kind of dual polarized antenna, including first antenna member 1 and the second antenna element 2, first antenna 1 He of member
Second antenna element 2 is in right-angled intersection；First antenna member 1 and the second Tianyuan line 2 include the first PCB substrate 13, the second PCB substrate
14th, superficial radiation unit 11 and bottom radiating element 12, superficial radiation unit 11 is above the first PCB substrate 13, bottom
Radiating element 12 is located at the bottom surface of the second PCB substrate 14, the first PCB substrate 13, the second PCB substrate 14, superficial radiation unit 11
And multiple vias 117, the first PCB substrate 13, the second PCB substrate 14, top layer spoke are equipped with the edge of bottom radiating element 12
Penetrate between unit 11 and bottom radiating element 12 and connected by via 117；First PCB substrate 13 and the second PCB substrate 14 it
Between be provided with internal layer feeder line 15, the bottom of superficial radiation unit 11 is provided with hollow out position 112, at hollow out position 112 provided with top layer feedback
Line 1121 and match circuit 1122, match circuit 1122 are connected with the first PCB substrate 13, the corresponding hollow out of the first PCB substrate 13
Provided with feeder line via 116 at position 112, it is all connected with the corresponding hollow out position 112 of first antenna member 1 and the second antenna element 2
There are coaxial radio-frequency joint 16, the connection feeder line of internal layer feeder line 15 via 116, the matching connection circuit 1122 of feeder line via 116, matching electricity
Road 1122 connects top layer feeder line 1121, the inner core of the connection coaxial radio-frequency of top layer feeder line 1121 joint 16.
A kind of dual polarized antenna that the present invention is provided, radiofrequency signal by feeder line feed-in, internal layer feeder line, feeder line via,
Match circuit, top layer feeder line, superficial radiation unit, high frequency electric, superficial radiation can be produced on bottom radiating element these parts
Unit and bottom radiating element can produce signal radiation.
In the present embodiment, feeder line via can make by the following method：Drilled in the first PCB substrate 13, it is gold-plated in hole
Category forms feeder line via.Feeder line via can be used for connection internal layer cabling and match circuit.
Superficial radiation unit 11 and bottom radiating element 12 include middle merging radiation fin 114 and merging radiation fins
The radiation fin 113 on the both sides of piece 114, both sides radiate fin 113 with merges radiation fin 114 between formation two gradual change gaps
1141, the bottom in two gradual change gaps 1141 forms the circular resonant ring 115 of two hollow outs.In superficial radiation unit 11 and bottom
The circular resonant ring 115 of the upper formation hollow out of radiating element 12 and gradual change gap 1141, the knot of gradual change gap 1141 of radiating element
Structure determines that radiation signal has directionality.Antenna element has two-sided antenna radiating element, while superficial radiation unit 11 and bottom
The radiation fin 113 and merging radiation fin 114 of layer radiating element 12 have specific shape, so as to generate ultratvide frequency band
Signal is radiated.In the present embodiment, the working frequency range for the dual polarized antenna that the present invention is provided can be 400MHz-6000MHz, and
There is good radiance and good directionality, so that high directionality can be realized in the range of this working frequency range.
Radiation fin 113 is the coat of metal that one side is tapered to end, and radiation fin 113 is provided with a plurality of rectangular slot
1131.It is the tapered coat of metal in both sides to merge radiation fin 114.Opening on superficial radiation unit 11 and bottom radiating element 12
Groove 1131 changes high frequency electric distribution, and the special design of slotting position can change high frequency electric distribution, so as to increase radiation letter
Number bandwidth.
In the present embodiment, the bottom of first 1 axis of first antenna is provided with the first mounting groove 111, the axis of the second antenna element 2
The other end of the first mounting groove of correspondence 111 of line is provided with the second mounting groove 211, and first antenna member 1 and the second antenna element 2 pass through the
One mounting groove 111 and the second mounting groove 211 alignment intersection are connected together, and first 1 and 2 second antenna elements of first antenna mutually hang down
Directly.
The operation principle for the dual polarized antenna that the present invention is provided is：It is in 90 ° that first antenna member 1 and the second antenna element 2, which intersect,
Combination is constituted, and forms a kind of broadband dual-port dual polarized antenna, each antenna element is provided with a coaxial radio-frequency joint, radio frequency letter
Number it is carried on one of coaxial radio-frequency joint, corresponding antenna element can give off linear polarised electromagnetic wave, radiofrequency signal loading
On another axle radio-frequency joint, it is 90 ° that another line element, which can be given off with foregoing linear polarised electromagnetic wave polarised direction angle,
Line polarization wave.Radiofrequency signal is through the incoming top layer feeder line 1121 of coaxial radio-frequency joint, then matched circuit 1122 and feeder line via 116
Incoming internal layer feeder line 15, and be 2 tunnels in 15 points of internal layer feeder line, respectively through gradual change gap 1141 and the junction of resonant ring 115, from
And in internal layer feeder line 15, feeder line via 116, match circuit 1122, top layer feeder line 1121, superficial radiation unit 11, bottom radiation
High frequency electric can be produced on these parts of unit 12.
Because each antenna element of the invention has four gradual change gaps 1141, the characteristic with array antenna, so as to realize
Higher directionality and high-gain；Fluting 1131 on radiating element can change high frequency electric distribution, increase radiation signal band
Width, so as to realize miniaturization.The present invention can also be used as antenna measurement using large-scale antenna array is constituted in wireless communications
The probe application of system.
In the present embodiment, first antenna member 1 and the second antenna element 2 pass through the first mounting groove 111 and the second mounting groove 211
Alignment intersection be connected together, and first antenna member 1 with the second antenna element 2 by being welded to connect.
In the present embodiment, the bottom of first antenna member 1 and the second antenna 2 is provided with coaxial radio-frequency joint 16, first antenna
2 yuan of member 1 and the second antenna are respectively with coaxial radio-frequency joint 16 by being welded to connect.
In the present embodiment, top layer feeder line 1121 with the inner core of coaxial radio-frequency joint 16 by being welded to connect.
In the present embodiment, the PCB substrate 13 of match circuit 1122 and first located at the first PCB substrate 13 passes through the company of welding
Connect.
In the present embodiment, PCB substrate is a kind of conventional pcb board material, and the material of PCB substrate is Rogers's sheet material, bottom
Layer radiating element 12 and superficial radiation unit 11 its essence are designed for good conductors such as copper facing in PCB substrate or tin.
In the present embodiment, top layer feeder line 1121 and internal layer feeder line 15 are coat of metal cabling.
In the present embodiment, match circuit 1122 includes the components such as resistance, electric capacity, inductance, in other embodiments, can
Corresponding component is selected to carry out matching and debugging according to actual conditions.Match circuit is ripe technology hand in the prior art
Section, is not described in detail herein.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Exemplary description has been carried out to patent of the present invention above in conjunction with accompanying drawing, it is clear that the realization of patent of the present invention not by
The limitation of aforesaid way, if the various improvement that the method design of patent of the present invention and technical scheme are carried out are employed, or without
The design of patent of the present invention and technical scheme are directly applied to other occasions by improvement, within the scope of the present invention.
Claims (10)
1. a kind of dual polarized antenna, it is characterised in that including first antenna member and the second antenna element, the first antenna member and institute
The second antenna element is stated in right-angled intersection；First and described second Tianyuan line of the first antenna includes the first PCB substrate, second
PCB substrate, superficial radiation unit and bottom radiating element, the superficial radiation unit are located above first PCB substrate,
The bottom radiating element is located at the bottom surface of second PCB substrate, first PCB substrate, second PCB substrate, institute
Multiple vias, first PCB substrate, described are equipped with the edge for stating superficial radiation unit and the bottom radiating element
Connected between two PCB substrates, the superficial radiation unit and the bottom radiating element by the via；Described first
Internal layer feeder line is provided between PCB substrate and second PCB substrate, the bottom of the superficial radiation unit is provided with hollow out position,
Top layer feeder line and match circuit are provided with the hollow out position, the match circuit is connected with first PCB substrate, described the
The corresponding hollow out position of one PCB substrate is provided with feeder line via, the bottom of first and described second antenna element of the first antenna
The corresponding hollow out position is held to be respectively connected with coaxial radio-frequency joint, the internal layer feeder line connects the feeder line via, described
Feeder line via connects the match circuit, and the match circuit connects the top layer feeder line, and the top layer feeder line connection is described same
The inner core of axle radio-frequency joint.
2. dual polarized antenna according to claim 1, it is characterised in that superficial radiation unit and the bottom radiation
Unit includes middle merging radiation fin and the radiation fin on merging radiation fin both sides, and fin is radiated described in both sides
With it is described merge form two gradual change gaps between radiation fin, the bottom in two gradual change gaps forms two hollow out circles
Resonant ring.
3. dual polarized antenna according to claim 2, it is characterised in that the radiation fin is that one side is tapered to end
The coat of metal, the amplitude fin is provided with a plurality of rectangular slot.
4. dual polarized antenna according to claim 2, it is characterised in that the merging radiation fin is the tapered gold in both sides
Belong to coating.
5. dual polarized antenna according to claim 1, it is characterised in that the bottom of the first antenna member axis is provided with
First mounting groove, the other end of correspondence first mounting groove of the second antenna element axis is provided with the second mounting groove, institute
State first antenna first and described second antenna element and engaging company is intersected by first mounting groove and second mounting groove alignment
Connect, and the first antenna it is first with second antenna element by being welded to connect.
6. dual polarized antenna according to claim 1, it is characterised in that the first antenna is first with second antenna element
It is mutually perpendicular to.
7. dual polarized antenna according to claim 1, it is characterised in that first and described second antenna element of the first antenna
Respectively with the coaxial radio-frequency joint by being welded to connect.
8. dual polarized antenna according to claim 1, it is characterised in that the top layer feeder line passes through welding with the inner core
Connection.
9. dual polarized antenna according to claim 1, it is characterised in that the match circuit and first PCB substrate
By being welded to connect.
10. dual polarized antenna according to claim 1, it is characterised in that the coaxial radio-frequency joint is signaling interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461832.7A CN107293853A (en) | 2017-06-19 | 2017-06-19 | A kind of dual polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461832.7A CN107293853A (en) | 2017-06-19 | 2017-06-19 | A kind of dual polarized antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107293853A true CN107293853A (en) | 2017-10-24 |
Family
ID=60097146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710461832.7A Pending CN107293853A (en) | 2017-06-19 | 2017-06-19 | A kind of dual polarized antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107293853A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244673A (en) * | 2018-09-21 | 2019-01-18 | 陈奕铭 | High-frequency wideband dual polarized antenna |
| CN109244655A (en) * | 2018-09-21 | 2019-01-18 | 陈奕铭 | Dual polarized antenna |
| CN111129758A (en) * | 2020-01-14 | 2020-05-08 | 上海霍莱沃电子系统技术股份有限公司 | Broadband dual-polarization tapered slot probe antenna |
| WO2021148051A1 (en) * | 2020-01-20 | 2021-07-29 | 展讯通信（上海）有限公司 | Broadband external antenna and wireless communication device |
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2017
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244673A (en) * | 2018-09-21 | 2019-01-18 | 陈奕铭 | High-frequency wideband dual polarized antenna |
| CN109244655A (en) * | 2018-09-21 | 2019-01-18 | 陈奕铭 | Dual polarized antenna |
| CN109244673B (en) * | 2018-09-21 | 2024-03-22 | 陈奕铭 | High-frequency broadband dual-polarized antenna |
| CN109244655B (en) * | 2018-09-21 | 2024-07-26 | 深圳市新益技术有限公司 | Dual polarized antenna |
| CN111129758A (en) * | 2020-01-14 | 2020-05-08 | 上海霍莱沃电子系统技术股份有限公司 | Broadband dual-polarization tapered slot probe antenna |
| WO2021148051A1 (en) * | 2020-01-20 | 2021-07-29 | 展讯通信（上海）有限公司 | Broadband external antenna and wireless communication device |
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Application publication date: 20171024 |
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