CN206820111U - A kind of high-gain omni-directional antenna - Google Patents
A kind of high-gain omni-directional antenna Download PDFInfo
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- CN206820111U CN206820111U CN201720140331.4U CN201720140331U CN206820111U CN 206820111 U CN206820111 U CN 206820111U CN 201720140331 U CN201720140331 U CN 201720140331U CN 206820111 U CN206820111 U CN 206820111U
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Abstract
The utility model discloses a kind of high-gain omni-directional antenna, include pcb board；The reverse side of the pcb board is provided with triax；The front of the pcb board is provided with the first coaxial line, the second coaxial line and multiple even a period of time；Even a period of time arrangement form has the first dipole array and the second dipole array；All even a period of time in first dipole array are connected with the first coaxial line；All even a period of time in second dipole array are connected with the second coaxial line；Anti-phase feeding network is provided between first coaxial line and the second coaxial line；The anti-phase feeding network is connected with triax.The utility model is used as bay using dipole, rationally designs anti-phase feeding network, makes to form feed form series feed first and after feedback between bay, the advantages of having reached broadband and high-gain.
Description
Technical field
It the utility model is related to antenna technical field, and in particular to a kind of high-gain omni-directional antenna.
Background technology
WiFi technology has become network technology essential in our daily lifes, but with use WIFI nets
The user of network is more and more, and traditional 2.4GHz frequency ranges frequency spectrum resource is increasingly deficient.Further, since smart home and three nets
The markets such as unification are increasingly ripe, and the transmission rate of 2.4G frequency ranges can not meet the market demand, the increasing network equipment
Manufacturer energetically promotes 802.11ac technologies one after another.11ac technologies operate mainly in 5GHz frequency ranges, the 5GHz frequencies of countries in the world
Duan Suoyong frequency is not quite similar, and is summed up generally 5.15GHz-5.825GHz, and frequency bandwidth is about 1GHz.
Conventional 5G band antennas design uses Franklin antenna, and this design method has two shortcomings：
1. bandwidth is insufficient：Phase shifter narrower bandwidth is limited to, so when antenna requirements gain is larger, multiple phase shifts
The directional diagram bandwidth of device series connection aft antenna becomes very narrow.Therefore in actual design, when the gain of 5G antenna requirements is more than 7DBI
Time usually occurs that the omni-directional of some frequency range directional diagrams in bandwidth can produce angle defect.
2. antenna gain is difficult to do height：Because Franklin antenna typically uses series feed form, when frequency is higher, electromagnetism
Wave attenuation becomes big, therefore when the oscillator series connected is more, the oscillator of rear class is smaller to the gain effects of antenna.Using Frank
For the 5G antennas of woods Antenna Design mode when gain requirement is more than 7DBI, the degree of gain lifting is fairly limited.
The content of the invention
The purpose of this utility model is to be directed to above-mentioned deficiency of the prior art, there is provided a kind of high-gain omni-directional antenna.
To achieve the above object, concrete scheme of the present utility model is as follows：A kind of high-gain omni-directional antenna, includes PCB
Plate；
The reverse side of the pcb board is provided with triax；
The front of the pcb board is provided with the first coaxial line, the second coaxial line and multiple even a period of time；Even a period of time arrangement
Formed with the first dipole array and the second dipole array；
All even a period of time in first dipole array are connected with the first coaxial line；Second dipole array
In all even a period of time be connected with the second coaxial line；
Anti-phase feeding network is provided between first coaxial line and the second coaxial line；The anti-phase feeding network and the 3rd
Coaxial line connects.
The utility model is further arranged to, and the anti-phase feeding network includes power splitter, phase shift microstrip line and resistance
Anti- adaptation；The power splitter is connected with triax；The impedance matching box includes the first adaptation and second
Orchestration；The impedance matching box, the first adaptation and the second adaptation are connected with phase shift microstrip line；The phase shift microstrip line
One end be connected with the first coaxial line；The other end of the phase shift microstrip line is connected with the second coaxial line；The power splitter is located at
Between first adaptation and the second adaptation.
The utility model is further arranged to, and in the first dipole array, the distance of the two neighboring dipole is
The all-wave length that the electromagnetic wave of centre frequency is propagated in the first coaxial line.
The utility model is further arranged to, and in the second dipole array, the distance of the two neighboring dipole is
The all-wave length that the electromagnetic wave of centre frequency is propagated in the second coaxial line.
The utility model is further arranged to, all even a period of time in first dipole array with the first coaxial line
Braiding layer connection.
The utility model is further arranged to, all even a period of time in second dipole array with the second coaxial line
Braiding layer connection.
The beneficial effects of the utility model：The utility model, as bay, rationally designs anti-phase feedback using dipole
Electric network, make to form feed form series feed first and after feedback between bay.The several of antenna can be realized by the utility model
Individual feature：
1. broadband：Wide band characteristic comes from 2 points, first, dipole is as bay, the directional diagram band of dipole
Width is most wide in all antenna forms.Second, coaxial line is used as phase shifter simultaneously as transmission line, richness is effectively avoided
The shortcomings that narrow-band phase shift of blue crin antenna.
2. it is readily available high-gain：Using it is series feed with and the mixed feed structure of feedback, be advantageous to improve antenna gain.
Brief description of the drawings
Utility model is described further using accompanying drawing, but the embodiment in accompanying drawing is not formed to of the present utility model
What is limited, on the premise of not paying creative work, can also be according to the following drawings for one of ordinary skill in the art
Obtain other accompanying drawings.
Fig. 1 is the positive structural representation of the utility model pcb board；
Fig. 2 is the structural representation of the utility model pcb board reverse side；
Fig. 3 is the partial enlarged drawing at A positions in Fig. 1；
Wherein：1-PCB plates；The coaxial lines of 21- first；The coaxial lines of 22- second；23- triaxs；The dipoles of 31- first
Array；The dipole arrays of 32- second；4- dipoles；5- power splitters；6- phase shift microstrip lines；7- impedance matching boxs.
Embodiment
The utility model is further described with the following Examples.
As shown in Figure 1 to Figure 3, a kind of high-gain omni-directional antenna described in the present embodiment, includes PCB plates 1；
The reverse side of the pcb board 1 is provided with triax 23；
The front of the pcb board 1 is provided with the first coaxial line 21, the second coaxial line 22 and multiple even a period of time；The even battle array
Sub- arrangement form has the first dipole array 31 and the second dipole array 32；
All even a period of time in first dipole array 31 are connected with the first coaxial line 21；Second dipole
All even a period of time in array are connected with the second coaxial line 22；
Anti-phase feeding network is provided between the coaxial line 22 of first coaxial line 21 and second；The anti-phase feeding network with
Triax 23 connects.A kind of high-gain omni-directional antenna described in the present embodiment, the anti-phase feeding network include active point
Device 5, phase shift microstrip line 6 and impedance matching box 7；The power splitter 5 is connected with triax 23；The impedance matching box 7
Include the first adaptation and the second adaptation；The impedance matching box 7, the first adaptation and the second adaptation with shifting
Phase microstrip line 6 connects；One end of the phase shift microstrip line 6 is connected with the first coaxial line 21；The other end of the phase shift microstrip line 6
It is connected with the second coaxial line 22；The power splitter 5 is located between the first adaptation and the second adaptation.
Specifically, energy is divided into two, all the way energy from the feed-in of triax 23 at the port of anti-phase feeding network
Enter the first dipole array 31 by the first adaptation along phase shift microstrip line 6, energy is via the first dipole array 31
During first even a period of time, omnidirectional radiation is produced to space, remaining energy flows to second even a period of time via the first coaxial line 21,
Second even a period of time produces omnidirectional radiation to space, and dump energy flows to the 3rd even a period of time via the first coaxial line 21, so
Radiate and reduce step by step step by step, it is final to carry out electromagnetic wave in-phase stacking.
Outside it, another way energy that energy is punished out from the port of feeding network, hindered by phase shift microstrip line 6 and second
Anti- matching section enters the second dipole array 32, and the flow direction of energy and distribution are identical with the first foregoing dipole array 31, enter
And carry out the in-phase stacking of electromagnetic wave；
Because anti-phase feeding network has power splitter 5, phase shift microstrip line 6 and impedance matching box 7, therefore the first Dipole Arrays
The dipole array 32 of row 31 and second actually constitutes one group and the array presented, the array inphase radiations of dipole 4 of upper and lower
Superposition produces the omnidirectional radiation directional diagram of high-gain.
A kind of high-gain omni-directional antenna described in the present embodiment, in the first dipole array 31, the two neighboring idol
The all-wave length that extremely electromagnetic wave of frequency is propagated in the first coaxial line 21 centered on the distance of son 4.Because the spacing in even a period of time is
The all-wave length that the electromagnetic wave of centre frequency is propagated in the first coaxial line 21, so the electromagnetic wave phase that dipole 4 radiates is identical,
Electromagnetic wave in-phase stacking.
A kind of high-gain omni-directional antenna described in the present embodiment, in the second dipole array 32, the two neighboring idol
The all-wave length that extremely electromagnetic wave of frequency is propagated in the second coaxial line 22 centered on the distance of son 4.Because the spacing in even a period of time is
The all-wave length that the electromagnetic wave of centre frequency is propagated in the second coaxial line 22, so the electromagnetic wave phase that dipole 4 radiates is identical,
Electromagnetic wave in-phase stacking.
A kind of high-gain omni-directional antenna described in the present embodiment, all even a period of time in first dipole array 31 are equal
It is connected with the braiding layer of the first coaxial line 21.A kind of high-gain omni-directional antenna described in the present embodiment, second Dipole Arrays
Braiding layer of all even a period of time with the second coaxial line 22 in row is connected.The present embodiment is in the first dipole array 31 and second
In dipole array 32, technique is shelled in the use of two neighboring even a period of time, the serving of coaxial line and braiding layer are cut off, only stayed
There is insulating barrier to be connected with core-wire layer, while respectively peelling off serving on the both sides of braiding layer cut-off part makes it expose braiding layer, with side
Just the two-arm of oscillator is connected, can effectively reduce transmission loss.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
It is logical it will be appreciated by the skilled person that can be modified to the technical scheme of utility model or equivalent substitution, without departing from this reality
With the spirit and scope of new technique scheme.
Claims (6)
- A kind of 1. high-gain omni-directional antenna, it is characterised in that：Include pcb board (1)；The reverse side of the pcb board (1) is provided with triax (23)；The front of the pcb board (1) is provided with the first coaxial line (21), the second coaxial line (22) and multiple even a period of time；The idol A period of time arrangement form has the first dipole array (31) and the second dipole array (32)；All even a period of time in first dipole array (31) are connected with the first coaxial line (21)；Second dipole All even a period of time in array (32) are connected with the second coaxial line (22)；Anti-phase feeding network is provided between first coaxial line (21) and the second coaxial line (22)；The anti-phase feeding network with Triax (23) connects.
- A kind of 2. high-gain omni-directional antenna according to claim 1, it is characterised in that：The anti-phase feeding network includes Power splitter (5), phase shift microstrip line (6) and impedance matching box (7)；The power splitter (5) is connected with triax (23)；Institute State impedance matching box (7) and include the first adaptation and the second adaptation；The impedance matching box (7), the first adaptation with And second adaptation be connected with phase shift microstrip line (6)；One end of the phase shift microstrip line (6) connects with the first coaxial line (21) Connect；The other end of the phase shift microstrip line (6) is connected with the second coaxial line (22)；The power splitter (5) is located at the first adaptation Between the second adaptation.
- A kind of 3. high-gain omni-directional antenna according to claim 1, it is characterised in that：In the first dipole array (31) In, the all-wave of the electromagnetic wave of frequency propagation in the first coaxial line (21) centered on the distance of the two neighboring dipole (4) It is long.
- A kind of 4. high-gain omni-directional antenna according to claim 1, it is characterised in that：In the second dipole array (32) In, the all-wave of the electromagnetic wave of frequency propagation in the second coaxial line (22) centered on the distance of the two neighboring dipole (4) It is long.
- A kind of 5. high-gain omni-directional antenna according to claim 1, it is characterised in that：First dipole array (31) In braiding layer of all even a period of time with the first coaxial line (21) be connected.
- A kind of 6. high-gain omni-directional antenna according to claim 1, it is characterised in that：Second dipole array (32) In braiding layer of all even a period of time with the second coaxial line (22) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720140331.4U CN206820111U (en) | 2017-02-16 | 2017-02-16 | A kind of high-gain omni-directional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720140331.4U CN206820111U (en) | 2017-02-16 | 2017-02-16 | A kind of high-gain omni-directional antenna |
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| Publication Number | Publication Date |
|---|---|
| CN206820111U true CN206820111U (en) | 2017-12-29 |
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ID=60750151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720140331.4U Active CN206820111U (en) | 2017-02-16 | 2017-02-16 | A kind of high-gain omni-directional antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728444A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Double-frequency omnidirectional antenna |
| CN114256627A (en) * | 2021-12-22 | 2022-03-29 | 上海海积信息科技股份有限公司 | Ultra-wideband antenna |
-
2017
- 2017-02-16 CN CN201720140331.4U patent/CN206820111U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728444A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Double-frequency omnidirectional antenna |
| CN114256627A (en) * | 2021-12-22 | 2022-03-29 | 上海海积信息科技股份有限公司 | Ultra-wideband antenna |
| CN114256627B (en) * | 2021-12-22 | 2024-03-29 | 上海海积信息科技股份有限公司 | Ultra-wideband antenna |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200624 Address after: 337000 Chishan Town Industrial Park, Shangli County, Pingxiang City, Jiangxi Province Patentee after: Jiangxi Renfu Electronic Technology Co.,Ltd. Address before: Nanshan District Shahe street Shahe road Shenzhen city Guangdong province 518055 No. 3009 Kang Hesheng building room 503 Patentee before: SHENZHEN RENFENG ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |