CN209119333U - A kind of wideband list feedback high-gain aerial - Google Patents
A kind of wideband list feedback high-gain aerial Download PDFInfo
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- CN209119333U CN209119333U CN201822071544.3U CN201822071544U CN209119333U CN 209119333 U CN209119333 U CN 209119333U CN 201822071544 U CN201822071544 U CN 201822071544U CN 209119333 U CN209119333 U CN 209119333U
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- pcb board
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Abstract
The utility model relates to antenna technical fields, and in particular to a kind of wideband list feedback high-gain aerial, including the first pcb board, the second pcb board, RF coaxial line and screw rod；Second pcb board is equipped with the first radiator and antenna balun；First pcb board is equipped with loading unit；One end of the screw rod is connect with loading unit；The other end of the screw rod is connect with the first radiator；First radiator and antenna balun are connect with RF coaxial line respectively.The utility model is by widening antenna balun, and by the way that the first radiator and loading unit are separately positioned on the second pcb board and the first pcb board to increase the swept area of electric current to broaden the bandwidth of antenna；Other two radiating element exciting current in the same direction by series feed acquisition constant amplitude, obtains maximum electric field strength superposition in vertical polarization directions, therefore obtain greatest irradiation effect.
Description
Technical field
The utility model relates to antenna technical fields, and in particular to a kind of wideband list feedback high-gain aerial.
Background technique
Universal with smart phone, WIFI terminal product has spread every nook and cranny, therefore routine 2.4G and 5G
WIFI antenna is very mature, but wireless market updates fast, no matter requires all from cost or performance WIFI antenna
Higher and higher, market is also very big to the high-performance WIFI antenna requirements of low cost.Conventional external WIFI antenna is mainly full PCB
Hardened structure, copper pipe add helical structure, pcb board to add helical structure.Although full pcb board manufacture craft is simply but because of dielectric loss
Greatly, efficiency and gain be not high, and the stability of pcb board material can seriously affect the consistency of antenna performance after volume production in addition；Copper pipe
Preferably but complex manufacturing technology, conformity of production is unstable and higher cost for structural behaviour；And pcb board adds helical structure to combine
The advantages of the two, manufacture craft, performance, cost comprehensive advantage are maximum；Existing pcb board adds helical structure to be able to satisfy conventional need
It asks, but is difficult all to realize that gains, efficiency, the promotion on coverage direction figure meet the higher requirement of product.
Summary of the invention
The purpose of this utility model is to provide a kind of wideband list feedback high-gain day for above-mentioned deficiency in the prior art
Line.
The purpose of this utility model is achieved through the following technical solutions: a kind of wideband list feedback high-gain aerial, including first
Pcb board, the second pcb board, RF coaxial line and screw rod；Second pcb board is equipped with the first radiator and antenna balun；
First pcb board is equipped with loading unit；
One end of the screw rod is connect with loading unit；The other end of the screw rod is connect with the first radiator；Institute
It states the first radiator and antenna balun is connect with RF coaxial line respectively.
The utility model is further arranged to, and the RF coaxial line includes core layer and braiding layer；The braiding layer
With antenna balun connection；The core layer is connect with RF coaxial line.
The utility model is further arranged to, the length of the antenna balun be center frequency wavelength a quarter multiplied by
The shortening coefficient of second pcb board.
The utility model is further arranged to, and the width of the both sides arm of the antenna balun is 5.8mm, the antenna bar
The overall width of human relations is 14mm.
The utility model is further arranged to, and the screw rod includes first straight line section, second straight line section and is set to the
Phase shifter between one straightway and second straight line section；The first straight line section is connect with loading unit；The second straight line section
It is connect with the first radiator.
The utility model is further arranged to, and the total length of first radiator and second straight line section is center frequency wave
Long half multiplied by the first pcb board shortening coefficient.
The utility model is further arranged to, the length of the loading unit be center frequency wavelength half multiplied by
The shortening coefficient of first pcb board.
The utility model is further arranged to, and the total length of the first straight line section and loading unit is center frequency wavelength
5/8ths.
The utility model is further arranged to, and the length of the phase shifter is the half of center frequency wavelength.
The utility model has the beneficial effects that the utility model is by widening antenna balun, and by by the first radiation
Body and loading unit are separately positioned on the second pcb board and the first pcb board to increase the swept area of electric current to broaden
The bandwidth of antenna；Other two radiating element exciting current in the same direction by series feed acquisition constant amplitude, obtains in vertical polarization directions
Maximum electric field strength superposition, therefore obtain greatest irradiation effect.
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 structural schematic diagram of the utility model；
Description of symbols in Fig. 1:
The first pcb board of 1-；11- loading unit；The second pcb board of 2-；The first radiator of 21-；22- antenna balun；3- radio frequency
Coaxial line；4- screw rod；41- first straight line section；42- second straight line section；43- phase shifter.
Specific embodiment
The utility model is further described with the following Examples.
As shown in Figure 1；A kind of wideband list feedback high-gain aerial described in the present embodiment, including the first pcb board 1, the 2nd PCB
Plate 2, RF coaxial line 3 and screw rod 4；Second pcb board 2 is equipped with the first radiator 21 and antenna balun 22；It is described
First pcb board 1 is equipped with loading unit 11；
One end of the screw rod 4 is connect with loading unit 11；The other end of the screw rod 4 and the first radiator 21 connect
It connects；First radiator 21 and antenna balun 22 are connect with RF coaxial line 3 respectively；
A kind of wideband list feedback high-gain aerial, the screw rod 4 include first straight line section 41, second described in the present embodiment
Straightway 42 and the phase shifter 43 between first straight line section 41 and second straight line section 42；The first straight line section 41 with plus
Carrier unit 11 connects；The second straight line section 42 is connect with the first radiator 21.
Specifically, wideband list described in the present embodiment presents high-gain aerial, and electric current is fed into antenna bar from RF coaxial line 3
Human relations 22 and the first radiator 21, antenna balun 22 can effectively control the high-frequency current of 3 crust of RF coaxial line, improve antenna list
First radiation efficiency；
Second straight line section 42 of the energy of transmitter after RF coaxial line 3 enters the first radiator 21, with screw rod 4
The first radiating element of half-wavelength is formed, portion of electrical current is converted into electromagenetic wave radiation and goes out；Electric current passes through the first radiator 21, spiral
360 ° of Phase Stacking after 4 second straight line section 42 of bar, phase shifter 43, the first straight line section 41 of residual current feed-in screw rod 4 and
The loading unit 11 of one pcb board 1 forms the second radiating element and participates in electromagnetic radiation；Two radiating elements pass through series feed acquisition constant amplitude
Exciting current in the same direction obtains maximum electric field strength superposition in vertical polarization directions, therefore obtains greatest irradiation effect.
The present embodiment is by antenna balun 22, the method for radiating element overstriking, and the swept area of Lai Zeng great electric current is to broaden
The bandwidth of antenna；The rectangle PCB unit of the radiating element load half-wavelength on 4 top of screw rod, increases vertical component top pair
The distribution capacity on ground, so that top is no longer open circuit, top electric current is also no longer zero, and the increase of electric current also makes the radiation in far-field region
Increase, by improving above, the bandwidth of operation of antenna expands to 2.3-2.7G by original 2.4-2.5G, and horizontal direction covers not
For circularity less than 2, maximum gain reaches 6dBi can meet the covering of the products such as WIFI and LTE high band simultaneously.
A kind of wideband list feedback high-gain aerial, the RF coaxial line 3 include core layer and volume described in the present embodiment
Tissue layer；The braiding layer is connect with antenna balun 22；The core layer is connect with RF coaxial line 3.
A kind of wideband list feedback high-gain aerial, the length of the antenna balun 22 are center frequency wave described in the present embodiment
Long a quarter multiplied by the second pcb board 2 shortening coefficient.Above-mentioned setting enables to antenna balun 22 further to control radio frequency
The high-frequency current of 3 crust of coaxial line improves antenna element radiation efficiency；
A kind of wideband list feedback high-gain aerial, the width of the both sides arm of the antenna balun 22 described in the present embodiment are
5.8mm, the overall width of the antenna balun 22 are 14mm.The present embodiment is by by the width overstriking of antenna balun 22, to increase
The swept area of high current is to broaden the bandwidth of antenna.
A kind of wideband list feedback high-gain aerial, first radiator 21 and second straight line section 42 described in the present embodiment
Total length is the half of center frequency wavelength multiplied by the shortening coefficient of the first pcb board 1.Above-mentioned setting can be obtained further
Maximum electric field strength superposition in vertical polarization directions, thus Enhanced Radiation Reduced Blast effect.
A kind of wideband list feedback high-gain aerial, the length of the loading unit 11 are center frequency wave described in the present embodiment
Long half multiplied by the first pcb board 1 shortening coefficient.Above-mentioned setting can further obtain maximum in vertical polarization directions
Electric field strength superposition, thus Enhanced Radiation Reduced Blast effect.
A kind of wideband list feedback high-gain aerial, the first straight line section 41 described in the present embodiment are total with loading unit 11
Length is 5/8ths of center frequency wavelength.Above-mentioned setting can further obtain maximum electric-field strength in vertical polarization directions
Degree superposition, thus Enhanced Radiation Reduced Blast effect.
A kind of wideband list feedback high-gain aerial, the length of the phase shifter 43 are center frequency wavelength described in the present embodiment
Half.Above-mentioned setting can further obtain maximum electric field strength superposition in vertical polarization directions, to increase spoke
Penetrate effect.
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 (9)
1. a kind of wideband list presents high-gain aerial, it is characterised in that: same including the first pcb board (1), the second pcb board (2), radio frequency
Axis (3) and screw rod (4)；Second pcb board (2) is equipped with the first radiator (21) and antenna balun (22)；It is described
First pcb board (1) is equipped with loading unit (11)；
One end of the screw rod (4) is connect with loading unit (11)；The other end and the first radiator of the screw rod (4)
(21) it connects；First radiator (21) and antenna balun (22) are connect with RF coaxial line (3) respectively.
2. a kind of wideband list according to claim 1 presents high-gain aerial, it is characterised in that: the RF coaxial line (3)
Including core layer and braiding layer；The braiding layer is connect with antenna balun (22)；The core layer and RF coaxial line (3) are even
It connects.
3. a kind of wideband list according to claim 1 presents high-gain aerial, it is characterised in that: the antenna balun (22)
Length is a quarter of center frequency wavelength multiplied by the shortening coefficient of the second pcb board (2).
4. a kind of wideband list according to claim 1 presents high-gain aerial, it is characterised in that: the antenna balun (22)
The width of both sides arm is 5.8mm, and the overall width of the antenna balun (22) is 14mm.
5. a kind of wideband list according to claim 1 presents high-gain aerial, it is characterised in that: the screw rod (4) includes
First straight line section (41), second straight line section (42) and the phase shift being set between first straight line section (41) and second straight line section (42)
Device (43)；The first straight line section (41) connect with loading unit (11)；The second straight line section (42) and the first radiator
(21) it connects.
6. a kind of wideband list according to claim 5 presents high-gain aerial, it is characterised in that: first radiator (21)
Total length with second straight line section (42) is the half of center frequency wavelength multiplied by the shortening coefficient of the first pcb board (1).
7. a kind of wideband list according to claim 5 presents high-gain aerial, it is characterised in that: the loading unit (11)
Length is the half of center frequency wavelength multiplied by the shortening coefficient of the first pcb board (1).
8. a kind of wideband list according to claim 5 presents high-gain aerial, it is characterised in that: the first straight line section (41)
Total length with loading unit (11) is 5/8ths of center frequency wavelength.
9. a kind of wideband list according to claim 5 presents high-gain aerial, it is characterised in that: the length of the phase shifter (43)
Degree is the half of center frequency wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071544.3U CN209119333U (en) | 2018-12-10 | 2018-12-10 | A kind of wideband list feedback high-gain aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822071544.3U CN209119333U (en) | 2018-12-10 | 2018-12-10 | A kind of wideband list feedback high-gain aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119333U true CN209119333U (en) | 2019-07-16 |
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ID=67207945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822071544.3U Active CN209119333U (en) | 2018-12-10 | 2018-12-10 | A kind of wideband list feedback high-gain aerial |
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| Country | Link |
|---|---|
| CN (1) | CN209119333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350070A (en) * | 2020-10-28 | 2021-02-09 | 深圳市飞敏科技有限公司 | Ultra-wideband antenna |
-
2018
- 2018-12-10 CN CN201822071544.3U patent/CN209119333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350070A (en) * | 2020-10-28 | 2021-02-09 | 深圳市飞敏科技有限公司 | Ultra-wideband antenna |
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