CN209709163U - A kind of bicyclic load small sized wide-band dual polarization cross dipole antenna - Google Patents
A kind of bicyclic load small sized wide-band dual polarization cross dipole antenna Download PDFInfo
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- CN209709163U CN209709163U CN201920604153.5U CN201920604153U CN209709163U CN 209709163 U CN209709163 U CN 209709163U CN 201920604153 U CN201920604153 U CN 201920604153U CN 209709163 U CN209709163 U CN 209709163U
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- annular patch
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Abstract
The utility model discloses a kind of bicyclic load small sized wide-band dual polarization cross dipole antennas, comprising: first substrate, the second substrate, the first ring-like patch, the second ring-like patch, crossed dipoles and floor；Wherein, the first ring-like patch and the second ring-like patch are provided on the upper surface of first substrate, crossed dipoles is provided on the lower surface of first substrate, the second substrate is provided with below first substrate, floor is provided on the lower surface of the second substrate, first substrate is parallel with the second substrate, and the first ring-like patch, the second ring-like patch and crossed dipoles share bore and can be fed port while motivate；The setting that the utility model passes through the first ring-like patch, the second ring-like patch and crossed dipoles on first substrate, it can guarantee that antenna keeps low standing-wave ratio in two frequency ranges of Sub-6G while antenna miniaturization, and have stable antenna pattern and high radiation gain.
Description
Technical field
The utility model relates to wireless communication field, in particular to a kind of bicyclic load small sized wide-band dual polarization cross dipole
Sub-antenna.
Background technique
With the beginning that the 5th Generation Mobile Communication System is disposed, the antenna for base station as a ring important in base station system is also needed
It upgrades.Current 5th third-generation mobile communication mostly uses greatly two frequency ranges of Sub-6G as the communication frequency disposed early period
Section, therefore design a 3.3GHz-3.6GHz in good standing-wave ratio and covering Sub-6G and 4.8GHz-5.0GHz two
The antenna for base station of frequency range seems particularly significant.
Dual polarization crossed dipoles because its with good signal emit and receive characteristic antenna for base station design in it is big
Amount uses, and ± 45 ° of polarization requirement that antenna for base station will be able to satisfy antenna for base station is designed on the basis of dual polarization crossed dipoles.
It is in need of consideration to be not only its parameter request during designing antenna, antenna volume and complexity are also minimized, with
Reduce the lower deployment cost and production cost of antenna, while the reliability of antenna can be improved.It can usually be met during Antenna Design
Directional diagram is unstable, section is excessively high to causing because expanding bandwidth, because simplifying structure due to narrow bandwidth, the problems such as standing-wave ratio is high, no
It is suitble to the micro-base station application of 5G widespread deployment.
Therefore, a kind of Sub-6G frequency band standing internal wave how is provided than small, directional diagram is stable, structure is simple and section is small
Antenna, be urgent problem now.
Utility model content
The purpose of the utility model is to provide a kind of bicyclic load small sized wide-band dual polarization cross dipole antennas, to utilize
The setting of two annular patches and crossed dipoles makes the antenna of miniaturization keep low standing-wave ratio in two frequency ranges of Sub-6G, and
There are stable antenna pattern and high radiation gain.
In order to solve the above technical problems, the utility model provides a kind of bicyclic load small sized wide-band dual polarization crossed dipoles
Antenna, comprising: first substrate, the second substrate, the first ring-like patch, the second ring-like patch, crossed dipoles and floor；
Wherein, the described first ring-like patch and the second ring-like patch are provided on the upper surface of the first substrate,
It is provided with the crossed dipoles on the lower surface of the first substrate, second base is provided with below the first substrate
Plate is provided with the floor on the lower surface of the second substrate, and the first substrate is parallel with the second substrate, and described
One ring-like patch, the second ring-like patch and the crossed dipoles share bore and can be fed port while motivate.
Optionally, the center of circle of the described first ring-like patch and the described second ring-like patch and the crossed dipoles with it is described
The center of the second substrate is in the vertical and intersection point with the first substrate on the straight line at the center of the first substrate.
Optionally, the length and width of the first substrate is in 0.57 λ c between 0.71 λ c, the second substrate
Length and width is in 1.00 λ c between 1.28 λ c；Wherein, λ c is the wavelength of center frequency point in free space.
Optionally, it is 4.40 and loss angle that the first substrate and the material of the second substrate, which are relative dielectric constant,
Just it is being cut to 0.02 FR4 material, the thickness of the first substrate and the second substrate is in 1.20mm between 2.00mm.
Optionally, the spacing of the first substrate and the second substrate is 0.10 λ c between 0.19 λ c.
Optionally, the exradius of the first annular patch in 0.13 λ c between 0.20 λ c, the first annular patch
The width of piece is in 0.029 λ c between 0.086 λ c.
Optionally, for the exradius of the described second annular patch in 0.071 λ c between 0.114 λ c, described second is annular
The width of patch is in 0.029 λ c between 0.071 λ c.
Optionally, the brachium of the crossed dipoles in 0.09 λ c between 0.14 λ c, the width of the crossed dipoles
In 0.001 λ c between 0.019 λ c.
The bicyclic load small sized wide-band dual polarization cross dipole antenna of one kind provided by the utility model, comprising: first
Substrate, the second substrate, the first ring-like patch, the second ring-like patch, crossed dipoles and floor；Wherein, the upper table of first substrate
It is provided with the first ring-like patch and the second ring-like patch on face, is provided with crossed dipoles on the lower surface of first substrate, first
It is provided with the second substrate below substrate, floor is provided on the lower surface of the second substrate, first substrate is parallel with the second substrate,
First ring-like patch, the second ring-like patch and crossed dipoles share bore and can be fed port while motivate；
As it can be seen that the utility model passes through the first ring-like patch, the second ring-like patch and the crossed dipoles on first substrate
Setting, while can be by the first ring-like patch, the second ring-like patch and crossed dipoles while antenna miniaturization
Excitation guarantees that two frequency ranges of 3.3GHz-3.6GHz and 4.8GHz-5.0GHz of antenna in Sub-6G keep low standing-wave ratio, and
There are stable antenna pattern and high radiation gain in the frequency range.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the bicyclic load small sized wide-band dual polarization cross dipole antenna of one kind provided by the utility model embodiment
Structural schematic diagram；
Fig. 2 is the patch top view of bicyclic load small sized wide-band dual polarization cross dipole antenna shown in FIG. 1；
Fig. 3 is the side view of bicyclic load small sized wide-band dual polarization cross dipole antenna shown in FIG. 1；
Fig. 4 is the voltage standing wave ratio and gain of bicyclic load small sized wide-band dual polarization cross dipole antenna shown in FIG. 1
Figure；
Fig. 5 is the antenna pattern of bicyclic load small sized wide-band dual polarization cross dipole antenna shown in FIG. 1.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to FIG. 1, Fig. 1 is that the bicyclic load small sized wide-band dual polarization of one kind provided by the utility model embodiment intersects
The structural schematic diagram of dipole antenna.The antenna may include: first substrate 1, the second substrate 2, first annular patch 3, second
Annular patch 4, crossed dipoles 5 and floor 6；
Wherein, first annular patch 3 and the second annular patch 4, first substrate 1 are provided on the upper surface of first substrate 1
Lower surface on be provided with crossed dipoles 5, the lower section of first substrate 1 is provided with the second substrate 2, the lower surface of the second substrate 2
On be provided with floor 6, first substrate 1 is parallel with the second substrate 2, the annular patch 4 of first annular patch 3, second and cross dipole
Sub 5 shared bores and port can be fed while being motivated.
It is understood that the purpose of the present embodiment can be for by first annular in the upper and lower surface of first substrate 1
The setting of patch 3, second annular patch 4 and crossed dipoles 5, so that the annular patch 4 of first annular patch 3, second and intersection
Dipole 5 shares bore, and can be fed port while motivate three kinds of operating modes, and such as first annular patch 3 is corresponding
First annular patch pattern, the second annular patch pattern of annular patch 4 corresponding second and the corresponding intersection of crossed dipoles 5
Dipole subpattern, has expanded the beamwidth of antenna, to guarantee that antenna is protected in two frequency ranges of Sub-6G when three kinds of operating modes start
Low standing-wave ratio is held, and has stable antenna pattern and high radiation gain in the frequency range.
Specifically, to the annular patch 4 of first annular patch 3, second on first substrate 1 in this present embodiment and intersecting even
The extremely specific location setting of son 5 and the specific location of first substrate 1 and the second substrate 2 is arranged, can by designer according to
Practical scene and user demand self-setting can be with as in order to keep the section of antenna provided by the present embodiment small as far as possible
By the center of circle and crossed dipoles 5 of first annular patch 3 and the second annular patch 4 and the center of the second substrate 2 with first
Substrate 1 is vertical and intersection point is on the straight line at the center of first substrate 1, with kept while expanding the beamwidth of antenna antenna size with
Simplify antenna structure, further realizes the miniaturization of antenna.As long as can guarantee the first annular patch 3 in antenna, the second ring
Shape patch 4 and crossed dipoles 5 share bore and can be fed port while motivate, and the present embodiment does not do any limit to this
System.
Wherein, the gain in the working frequency of antenna provided by the present embodiment, center operating frequency and working band
The parameters such as range can be set to 3.28GHz to 5.27GHz by designer's self-setting, such as working frequency of antenna
Between, the center operating frequency of antenna can be set to 4.285GHz, and the gain ranging in the working band of antenna is set as
7.86dBi to 9.32dBi, the present embodiment do not do any restrictions to this.
Specifically, to first substrate 1 in this present embodiment, the second substrate 2, the annular patch 4 of first annular patch 3, second
It is arranged with the concrete specification of crossed dipoles 5, can be by designer's self-setting, as shown in Figure 1 to Figure 3,1 He of first substrate
The FR4 material that the material of the second substrate 2 can use relative dielectric constant for 4.40 and loss angle tangent is 0.02, the first base
The thickness h of plate 11With the thickness h of the second substrate 22Can be in 1.20mm between 2.00mm, the length L of first substrate 11And width
Spend W1Can be in 0.57 λ c between 0.71 λ c, the length L of the second substrate 22With width W2It can be in 1.00 λ c to 1.28 λ c
Between, the spacing H of first substrate 1 and the second substrate 2 can be 0.10 λ c between 0.19 λ c, the outer circle of first annular patch 3
Radius R1Can be in 0.13 λ c between 0.20 λ c, the width W of first annular patch 33(difference of exradius and inner circle radius) can
With in 0.029 λ c between 0.086 λ c, the exradius R of the second annular patch 42Can in 0.071 λ c between 0.114 λ c,
The width W of second annular patch 44Can be in 0.029 λ c between 0.071 λ c, the brachium L of crossed dipoles 550.09 λ c extremely
Between 0.14 λ c, the width W of crossed dipoles 55In 0.001 λ c between 0.019 λ c；Wherein, λ c is center frequency point in freedom
Wavelength in space.For example, when λ c is 70.10mm, the length L of first substrate 11It can be 40mm~50mm, width W1Can be
40mm~50mm；The length L of the second substrate 22It can be 70mm~90mm, width W2It can be 70mm~90mm；First substrate 1
The spacing H placed with the second substrate 2 can be 7mm~13mm；The exradius R of first annular patch 31Can for 9mm~
14mm, width W3It can be 2mm~6mm；The exradius R of second annular patch 42It can be 5mm~8mm, width W4Can be
2mm~5mm；The brachium L of crossed dipoles 55It can be 6mm~10mm, width W5It can be 0.70mm~1.30mm.
It should be noted that three kinds of operating modes (such as first annular patch pattern, second of antenna in this present embodiment
Annular patch pattern and cross dipole subpattern) resonance frequency specific setting, can by designer's self-setting, such as the
The resonance frequency of one annular 3 operating mode of patch can by but be not limited to the exradius R1 and width of first annular patch 3
The parameters such as the brachium L5 and width W5 of W3 and dipole are adjusted；The resonance frequency of second annular 4 operating mode of patch can be by
But it is not limited to the parameters such as the exradius R2 and width W4 of the second annular patch 4 to be adjusted；5 Working mould of crossed dipoles
The resonance frequency of formula can by but the parameters such as length L5, width W5 for being not limited to dipole be adjusted.The present embodiment is to this
Do not do any restrictions.
Specifically, the length L of the first substrate 1 in antenna is arranged with shown in Fig. 1 to Fig. 31=45.00mm, width W1=
45.00mm, the length L of the second substrate 22=80.00mm, width W2=80.00mm, first substrate 1 and the second substrate 2 are all made of
The FR4 material that relative dielectric constant is 4.40 and loss angle tangent is 0.02, h1=h2=1.60mm, spacing H=10.00mm,
The exradius R of first annular patch 31=11.50mm, width W3=4.00mm, the exradius R of the second annular patch 42=
6.50mm, width W4=3.50mm, the brachium L of crossed dipoles 55=8.00mm, width W5When=1.00mm, the electricity of the antenna
Press standing-wave ratio (VSWR) and gain (Gain) figure can with as shown in figure 4, centre frequency is 4.275GHz, 3.28GHz~
Voltage standing wave ratio is respectively less than 2 in 5.27GHz frequency range, and relative bandwidth 46.54% effectively covers two frequency ranges of Sub-6G.
Gain is steady in working frequency range, lowest gain 7.86dBi, highest-gain 9.32dBi；The antenna pattern of the antenna can
As shown in figure 5, solid line (Co.xoz_plane) is the co-polarization directional diagram in the face xoz, dash line (Co.yoz_plane) in Fig. 5
For the co-polarization directional diagram in the face yoz, dotted line (X.xoz_plane) is the face xoz Cross polarization pattern, chain-dotted line (X.yoz_
It plane) is the face yoz Cross polarization pattern.The results show that no matter Antenna Operation is in first annular patch pattern, the second annular
Patch pattern or dipole subpattern can keep always stable directional diagram and wider 3dB beam angle, the i.e. antenna
There is good radiation characteristic.
In the present embodiment, the utility model embodiment passes through the first annular patch 3 on first substrate 1, the second ring attaching
The setting of piece 4 and crossed dipoles 5 can pass through first annular patch 3, second annular patch 4 while antenna miniaturization
It is motivated while with crossed dipoles 5, guarantees 3.3GHz-3.6GHz and 4.8GHz-5.0GHz two of the antenna in Sub-6G
Frequency range keeps low standing-wave ratio, and has stable antenna pattern and high radiation gain in the frequency range.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing
The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The bicyclic load small sized wide-band dual polarization cross dipole antenna of one kind provided by the utility model is carried out above
It is discussed in detail.Specific case used herein is expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model.It should be pointed out that being led for this technology
For the those of ordinary skill in domain, without departing from the principle of this utility model, if can also be carried out to the utility model
Dry improvement and modification, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (8)
1. a kind of bicyclic load small sized wide-band dual polarization cross dipole antenna characterized by comprising first substrate, second
Substrate, first annular patch, the second annular patch, crossed dipoles and floor；
Wherein, the first annular patch and the second annular patch are provided on the upper surface of the first substrate, it is described
It is provided with the crossed dipoles on the lower surface of first substrate, the second substrate is provided with below the first substrate,
The floor is provided on the lower surface of the second substrate, the first substrate is parallel with the second substrate, and described first
Annular patch, the second annular patch and the crossed dipoles share bore and can be fed port while motivate.
2. bicyclic load small sized wide-band dual polarization cross dipole antenna according to claim 1, which is characterized in that described
The center of circle and the crossed dipoles of first annular patch and the second annular patch and the center of the second substrate exist
Vertical and intersection point is on the straight line at the center of the first substrate with the first substrate.
3. bicyclic load small sized wide-band dual polarization cross dipole antenna according to claim 1, which is characterized in that described
The length and width of first substrate is in 0.57 λ c between 0.71 λ c, and the length and width of the second substrate is in 1.00 λ c
To between 1.28 λ c；Wherein, λ c is the wavelength of center frequency point in free space.
4. bicyclic load small sized wide-band dual polarization cross dipole antenna according to claim 1, which is characterized in that described
First substrate and the material of the second substrate are the FR4 material that relative dielectric constant is 4.40 and loss angle tangent is 0.02
The thickness of material, the first substrate and the second substrate is in 1.20mm between 2.00mm.
5. bicyclic load small sized wide-band dual polarization cross dipole antenna according to claim 1, which is characterized in that described
The spacing of first substrate and the second substrate is 0.10 λ c between 0.19 λ c.
6. bicyclic load small sized wide-band dual polarization cross dipole antenna according to claim 1, which is characterized in that described
The exradius of first annular patch in 0.13 λ c between 0.20 λ c, the width of the first annular patch 0.029 λ c extremely
Between 0.086 λ c.
7. bicyclic load small sized wide-band dual polarization cross dipole antenna according to claim 1, which is characterized in that described
The exradius of second annular patch is in 0.071 λ c between 0.114 λ c, and the width of the described second annular patch is in 0.029 λ c
To between 0.071 λ c.
8. bicyclic load small sized wide-band dual polarization cross dipole antenna according to claim 1, which is characterized in that described
The brachium of crossed dipoles in 0.09 λ c between 0.14 λ c, the width of the crossed dipoles 0.001 λ c to 0.019 λ c it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604153.5U CN209709163U (en) | 2019-04-28 | 2019-04-28 | A kind of bicyclic load small sized wide-band dual polarization cross dipole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604153.5U CN209709163U (en) | 2019-04-28 | 2019-04-28 | A kind of bicyclic load small sized wide-band dual polarization cross dipole antenna |
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| Publication Number | Publication Date |
|---|---|
| CN209709163U true CN209709163U (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920604153.5U Active CN209709163U (en) | 2019-04-28 | 2019-04-28 | A kind of bicyclic load small sized wide-band dual polarization cross dipole antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980349A (en) * | 2019-04-28 | 2019-07-05 | 广东工业大学 | A kind of bicyclic load small sized wide-band dual polarization cross dipole antenna |
-
2019
- 2019-04-28 CN CN201920604153.5U patent/CN209709163U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980349A (en) * | 2019-04-28 | 2019-07-05 | 广东工业大学 | A kind of bicyclic load small sized wide-band dual polarization cross dipole antenna |
| CN109980349B (en) * | 2019-04-28 | 2024-08-16 | 广东工业大学 | Double-ring loaded small broadband dual-polarized cross dipole antenna |
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