CN209119343U - A kind of High-gain dual-frequency double-feed antenna of high-isolation - Google Patents
A kind of High-gain dual-frequency double-feed antenna of high-isolation Download PDFInfo
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- CN209119343U CN209119343U CN201822071592.2U CN201822071592U CN209119343U CN 209119343 U CN209119343 U CN 209119343U CN 201822071592 U CN201822071592 U CN 201822071592U CN 209119343 U CN209119343 U CN 209119343U
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Abstract
The utility model relates to antenna technical fields, and in particular to a kind of High-gain dual-frequency double-feed antenna of high-isolation, including pcb board；The front of the pcb board is successively arranged the first low-frequency vibrator and the second low-frequency vibrator from top to bottom；The reverse side of the pcb board is successively arranged the first high frequency oscillator, the second high frequency oscillator and third high frequency oscillator from top to bottom；Short-circuit line is connected between the upper arm of the second high frequency oscillator and the lower arm of the second high frequency oscillator.The utility model forms low frequency array by using two low-frequency vibrators, and three high frequency a period of time form HF array, to form High-gain dual-frequency antenna；In addition the second high frequency oscillator design of HF array not only can guarantee high frequency Whole frequency band range internal antenna antenna pattern omnidirectional by short-circuit line by its upper arm and lower arm short circuit, but also can be conducive to improve the isolation between high frequency and low frequency array.
Description
Technical field
The utility model relates to antenna technical fields, and in particular to a kind of High-gain dual-frequency double-feed antenna of high-isolation.
Background technique
The design scheme of the dual-band and dual-feed antenna of high-isolation currently on the market, Basic Design thinking are 2.4G and 5G
It places up and down respectively, and when entire physical length is by limited time, the gain of 2.4G and 5G are very low, especially in the part 5G, can not expire
Transmission demand under the harsh environment of foot.In addition, domestic market has opened 5G low frequency part, day is kept within the scope of 5G Whole frequency band
The performance of line omnidirectional and high-gain becomes the difficult point of Antenna Design.
Summary of the invention
The purpose of this utility model is to provide a kind of high-gain of high-isolation for above-mentioned deficiency in the prior art
Dual-band and dual-feed antenna.
The purpose of this utility model is achieved through the following technical solutions: a kind of High-gain dual-frequency double-fed day of high-isolation
Line, including pcb board；The front of the pcb board is successively arranged the first low-frequency vibrator and the second low-frequency vibrator from top to bottom；It is described
The reverse side of pcb board is successively arranged the first high frequency oscillator, the second high frequency oscillator and third high frequency oscillator from top to bottom；Described first
Low-frequency vibrator, the second low-frequency vibrator, the first high frequency oscillator, the second high frequency oscillator and third high frequency oscillator include upper arm and
Lower arm；The first coaxial wire jumper is equipped between first low-frequency vibrator and the second low-frequency vibrator；The first high frequency oscillator,
The second coaxial wire jumper is equipped between two high frequency oscillators and third high frequency oscillator；
Short-circuit line is connected between the upper arm of the second high frequency oscillator and the lower arm of the second high frequency oscillator.
The utility model is further arranged to, and one end of the first coaxial wire jumper is equipped with the first braiding layer and First Line
Sandwich layer；The other end of the first coaxial wire jumper is equipped with the second braiding layer and the second core layer；First braiding layer and the
The lower arm of one low-frequency vibrator connects；First core layer is connect with the upper arm of the first low-frequency vibrator；Second braiding layer with
The upper arm of second low-frequency vibrator connects；Second core layer is connect with the lower arm of the second low-frequency vibrator.
The utility model is further arranged to, and one end of the second coaxial wire jumper is equipped with third braiding layer and third line
Sandwich layer；The other end of the second coaxial wire jumper is equipped with the 4th braiding layer and the 4th core layer；The second coaxial wire jumper
Middle part is equipped with the 5th braiding layer；The third braiding layer is connect with the lower arm of the first high frequency oscillator；The third core layer and the
The upper arm of one high frequency oscillator connects；4th braiding layer is connect with the upper arm of third high frequency oscillator；4th core layer with
The lower arm of third high frequency oscillator connects；5th braiding layer is connect with short-circuit line.
The utility model is further arranged to, and the length of the first coaxial wire jumper is a wave of low frequency centre frequency
It is long.
The utility model is further arranged to, and the length of the second coaxial wire jumper is two waves of high frequency centre frequency
It is long.
The utility model is further arranged to, and the lower arm of second low-frequency vibrator is equipped with the first CPW line；Described first
CPW line is used for external RF coaxial line.
The utility model is further arranged to, and the lower arm of the third high frequency oscillator is equipped with the 2nd CPW line；Described second
CPW line is used for external RF coaxial line.
The utility model is further arranged to, and the second high frequency oscillator is overlapped with the center of the first low-frequency vibrator.
The utility model has the beneficial effects that the utility model forms low frequency arrays by using two low-frequency vibrators, three
High frequency a period of time forms HF array, to form High-gain dual-frequency antenna；In addition the second high frequency oscillator design of HF array is logical
Short-circuit line is crossed by its upper arm and lower arm short circuit, not only can guarantee high frequency Whole frequency band range internal antenna antenna pattern omnidirectional, but also can have
Conducive to the isolation improved between high frequency and low frequency array.
Detailed description of the invention
Utility model is described further using attached drawing, but the embodiment in attached drawing does not constitute and appoints to the utility model
What is limited, for those of ordinary skill in the art, without creative efforts, can also be according to the following drawings
Obtain other attached drawings.
Fig. 1 is the front elevation of the utility model；
Fig. 2 is the structural schematic diagram of the coaxial wire jumper of the utility model first；
Fig. 3 is the reverse side figure of the utility model；
Fig. 4 is the reverse side figure that the utility model hides the second coaxial wire jumper；
Fig. 5 is the structural schematic diagram of the coaxial wire jumper of the utility model second；
Description of symbols of the Fig. 1 into Fig. 5:
1-PCB plate；The first low-frequency vibrator of 21-；The second low-frequency vibrator of 22-；31- the first high frequency oscillator；The second high frequency vibrating of 32-
Son；33- third high frequency oscillator；The coaxial wire jumper of 4- first；The first braiding layer of 41-；The first core layer of 42-；The second braiding layer of 43-；
The second core layer of 44-；The coaxial wire jumper of 5- second；51- third braiding layer；52- third core layer；The 4th braiding layer of 53-；54-
Four core layers；The 5th braiding layer of 55-；6- short-circuit line；The first CPW line of 71-；The 2nd CPW line of 72-.
Specific embodiment
The utility model is further described with the following Examples.
From Fig. 1 to Fig. 5；A kind of High-gain dual-frequency double-feed antenna of high-isolation described in the present embodiment, including PCB
Plate 1；The front of the pcb board 1 is successively arranged the first low-frequency vibrator 21 and the second low-frequency vibrator 22 from top to bottom；The PCB
The reverse side of plate 1 is successively arranged the first high frequency oscillator 31, the second high frequency oscillator 32 and third high frequency oscillator 33 from top to bottom；It is described
First low-frequency vibrator 21, the second low-frequency vibrator 22, the first high frequency oscillator 31, the second high frequency oscillator 32 and third high frequency oscillator 33
It include upper arm and lower arm；The first coaxial wire jumper 4 is equipped between first low-frequency vibrator 21 and the second low-frequency vibrator 22；
The second coaxial wire jumper 5 is equipped between the first high frequency oscillator 31, the second high frequency oscillator 32 and third high frequency oscillator 33；
Short-circuit line 6 is connected between the upper arm of the second high frequency oscillator 32 and the lower arm of the second high frequency oscillator 32.
Specifically, the High-gain dual-frequency double-feed antenna of high-isolation described in the present embodiment shakes by using two low frequencies
Son composition low frequency array, three high frequency a period of time form HF array, to form High-gain dual-frequency antenna；In addition HF array
The design of second high frequency oscillator 32, by its upper arm and lower arm short circuit, both can guarantee high frequency Whole frequency band range internal antenna by short-circuit line 6
Antenna pattern omnidirectional, and can be conducive to improve the isolation between high frequency and low frequency array.
A kind of High-gain dual-frequency double-feed antenna of high-isolation described in the present embodiment, the one of the first coaxial wire jumper 4
End is equipped with the first braiding layer 41 and the first core layer 42；The other end of the first coaxial wire jumper 4 is equipped with the second braiding layer 43
And second core layer 44；First braiding layer 41 is connect with the lower arm of the first low-frequency vibrator 21；First core layer 42
It is connect with the upper arm of the first low-frequency vibrator 21；Second braiding layer 43 is connect with the upper arm of the second low-frequency vibrator 22；Described
Two core layers 44 are connect with the lower arm of the second low-frequency vibrator 22.The present embodiment is by using the first coaxial wire jumper 4 by two low frequencies
Oscillator carries out series feed, can be improved low-frequency gain.
A kind of High-gain dual-frequency double-feed antenna of high-isolation described in the present embodiment, the one of the second coaxial wire jumper 5
End is equipped with third braiding layer 51 and third core layer 52；The other end of the second coaxial wire jumper 5 is equipped with the 4th braiding layer 53
And the 4th core layer 54；The middle part of the second coaxial wire jumper 5 is equipped with the 5th braiding layer 55；The third braiding layer 51 and
The lower arm of one high frequency oscillator 31 connects；The third core layer 52 is connect with the upper arm of the first high frequency oscillator 31；Described 4th compiles
Tissue layer 53 is connect with the upper arm of third high frequency oscillator 33；4th core layer 54 is connect with the lower arm of third high frequency oscillator 33；
5th braiding layer 55 is connect with short-circuit line 6.The present embodiment carries out three high frequency oscillators by using the second coaxial wire jumper 5
Series feed can be improved high-frequency gain.
A kind of High-gain dual-frequency double-feed antenna of high-isolation described in the present embodiment, the length of the first coaxial wire jumper 4
Degree is a wavelength of low frequency centre frequency.Above-mentioned setting can be improved the low-frequency gain of antenna.
A kind of High-gain dual-frequency double-feed antenna of high-isolation described in the present embodiment, the length of the second coaxial wire jumper 5
Degree is two wavelength of high frequency centre frequency.Above-mentioned setting can be improved the high-frequency gain of antenna.
A kind of High-gain dual-frequency double-feed antenna of high-isolation described in the present embodiment, under second low-frequency vibrator 22
Arm is equipped with the first CPW line 71；The first CPW line 71 is used for external RF coaxial line.It can be used by the way that the first CPW line 71 is arranged
To carry out impedance matching to entire low frequency array.
A kind of High-gain dual-frequency double-feed antenna of high-isolation described in the present embodiment, under the third high frequency oscillator 33
Arm is equipped with the 2nd CPW line 72；The 2nd CPW line 72 is used for external RF coaxial line.It can be used by the way that the 2nd CPW line 72 is arranged
To carry out impedance matching to entire HF array.
A kind of High-gain dual-frequency double-feed antenna of high-isolation described in the present embodiment, the second high frequency oscillator 32 and
The center of one low-frequency vibrator 21 is overlapped.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (8)
1. a kind of High-gain dual-frequency double-feed antenna of high-isolation, it is characterised in that: including pcb board (1)；The pcb board (1)
Front is successively arranged the first low-frequency vibrator (21) and the second low-frequency vibrator (22) from top to bottom；The reverse side of the pcb board (1) from
The first high frequency oscillator (31), the second high frequency oscillator (32) and third high frequency oscillator (33) are successively arranged under；Described first
Low-frequency vibrator (21), the second low-frequency vibrator (22), the first high frequency oscillator (31), the second high frequency oscillator (32) and third high frequency vibrating
Sub (33) include upper arm and lower arm；First is equipped between first low-frequency vibrator (21) and the second low-frequency vibrator (22)
Coaxial wire jumper (4)；It is equipped between the first high frequency oscillator (31), the second high frequency oscillator (32) and third high frequency oscillator (33)
Second coaxial wire jumper (5)；
Short-circuit line (6) are connected between the upper arm of the second high frequency oscillator (32) and the lower arm of the second high frequency oscillator (32).
2. a kind of High-gain dual-frequency double-feed antenna of high-isolation according to claim 1, it is characterised in that: described first
One end of coaxial wire jumper (4) is equipped with the first braiding layer (41) and the first core layer (42)；The first coaxial wire jumper (4) it is another
One end is equipped with the second braiding layer (43) and the second core layer (44)；First braiding layer (41) and the first low-frequency vibrator (21)
Lower arm connection；First core layer (42) connect with the upper arm of the first low-frequency vibrator (21)；Second braiding layer (43)
It is connect with the upper arm of the second low-frequency vibrator (22)；Second core layer (44) connect with the lower arm of the second low-frequency vibrator (22).
3. a kind of High-gain dual-frequency double-feed antenna of high-isolation according to claim 1, it is characterised in that: described second
One end of coaxial wire jumper (5) is equipped with third braiding layer (51) and third core layer (52)；The second coaxial wire jumper (5) it is another
One end is equipped with the 4th braiding layer (53) and the 4th core layer (54)；The middle part of the second coaxial wire jumper (5) is equipped with the 5th and compiles
Tissue layer (55)；The third braiding layer (51) connect with the lower arm of the first high frequency oscillator (31)；The third core layer (52) with
The upper arm of first high frequency oscillator (31) connects；4th braiding layer (53) connect with the upper arm of third high frequency oscillator (33)；Institute
The 4th core layer (54) is stated to connect with the lower arm of third high frequency oscillator (33)；5th braiding layer (55) and short-circuit line (6) are even
It connects.
4. a kind of High-gain dual-frequency double-feed antenna of high-isolation according to claim 1, it is characterised in that: described first
The length of coaxial wire jumper (4) is a wavelength of low frequency centre frequency.
5. a kind of High-gain dual-frequency double-feed antenna of high-isolation according to claim 1, it is characterised in that: described second
The length of coaxial wire jumper (5) is two wavelength of high frequency centre frequency.
6. a kind of High-gain dual-frequency double-feed antenna of high-isolation according to claim 1, it is characterised in that: described second
The lower arm of low-frequency vibrator (22) is equipped with the first CPW line (71)；The first CPW line (71) is used for external RF coaxial line.
7. a kind of High-gain dual-frequency double-feed antenna of high-isolation according to claim 1, it is characterised in that: the third
The lower arm of high frequency oscillator (33) is equipped with the 2nd CPW line (72)；The 2nd CPW line (72) is used for external RF coaxial line.
8. a kind of High-gain dual-frequency double-feed antenna of high-isolation according to claim 1, it is characterised in that: described second
High frequency oscillator (32) is overlapped with the center of the first low-frequency vibrator (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071592.2U CN209119343U (en) | 2018-12-10 | 2018-12-10 | A kind of High-gain dual-frequency double-feed antenna of high-isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071592.2U CN209119343U (en) | 2018-12-10 | 2018-12-10 | A kind of High-gain dual-frequency double-feed antenna of high-isolation |
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| Publication Number | Publication Date |
|---|---|
| CN209119343U true CN209119343U (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822071592.2U Active CN209119343U (en) | 2018-12-10 | 2018-12-10 | A kind of High-gain dual-frequency double-feed antenna of high-isolation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571519A (en) * | 2019-09-23 | 2019-12-13 | 广东盛路通信科技股份有限公司 | Double-frequency double-fed high-gain omnidirectional antenna |
| CN112909530A (en) * | 2021-02-22 | 2021-06-04 | 烽火通信科技股份有限公司 | Double-frequency double-fed antenna |
| WO2023273682A1 (en) * | 2021-06-29 | 2023-01-05 | 华为技术有限公司 | Dual-frequency dual-feed omnidirectional high-gain antenna, chip, and wireless communication device |
-
2018
- 2018-12-10 CN CN201822071592.2U patent/CN209119343U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571519A (en) * | 2019-09-23 | 2019-12-13 | 广东盛路通信科技股份有限公司 | Double-frequency double-fed high-gain omnidirectional antenna |
| CN112909530A (en) * | 2021-02-22 | 2021-06-04 | 烽火通信科技股份有限公司 | Double-frequency double-fed antenna |
| CN112909530B (en) * | 2021-02-22 | 2022-08-02 | 烽火通信科技股份有限公司 | Double-frequency double-fed antenna |
| WO2023273682A1 (en) * | 2021-06-29 | 2023-01-05 | 华为技术有限公司 | Dual-frequency dual-feed omnidirectional high-gain antenna, chip, and wireless communication device |
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