CN209641833U - Four frequency dual polarized antennas and wireless telecom equipment - Google Patents
Four frequency dual polarized antennas and wireless telecom equipment Download PDFInfo
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- CN209641833U CN209641833U CN201920490889.4U CN201920490889U CN209641833U CN 209641833 U CN209641833 U CN 209641833U CN 201920490889 U CN201920490889 U CN 201920490889U CN 209641833 U CN209641833 U CN 209641833U
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Abstract
The utility model discloses a kind of four frequency dual polarized antennas and wireless telecom equipments, the antenna includes the first metal layer set gradually from top to bottom, first substrate integration wave-guide, second metal layer, second substrate integration wave-guide and metal floor, the first metal layer is equipped with straight-flanked ring radiating slot, the centre of the second metal layer is equipped with cross and couples gap, and rectangle coupling gap is respectively equipped in four sides in cross coupling gap, the centre of second substrate integration wave-guide is equipped with feed through-hole, the metal floor is equipped with round gap on the corresponding position of feed through-hole；The wireless telecom equipment includes above-mentioned antenna.The utility model antenna uses the energisation mode of coaxial feed, and making energy by different coupling gaps, never top is coupled in same path, radiates via straight-flanked ring radiating slot, and antenna structure is compact, section is lower, and antenna pattern is stablized, and is able to achieve simple adjustable four frequencies dual polarization performance.
Description
Technical field
The utility model relates to a kind of antenna, especially a kind of four frequency dual polarized antennas and wireless telecom equipment belong to nothing
Line communication antenna technical field.
Background technique
Substrate integration wave-guide (Substrate Integrated Waveguide, abbreviation SIW) is used as Modern wireless communication
One important component of technology has low section, low-loss good characteristic, and is easy to integrated with planar device, processing
Cheap and simple can be mass-produced.Based on the antenna of substrate integration wave-guide because of its power capacity height, often gain is also higher, especially
When it is to high band, the characteristic of the low electromagnetic leakage of SIW makes it possess better advantage compared to conventional microstrip circuit.
Modern wireless communication systems are widely applied to the every field in life, and practical application with the development of technology
In be frequently necessary to multiple frequency ranges and work at the same time.If generating multifrequency effect using mutiple antennas work in combination, processing will increase
Cost and space loss, it is unfavorable for the popularization and miniaturization of communication system.Under this demand, this problem can effectively solve
Multifrequency antenna technology get more attention.
Guan Dong Fang et al. is in IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATIONIEEE
What TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL.63, NO.12, DECEMBER 2015 was delivered
《Compact SIW Annular Ring Slot Antenna With Multiband Multimode
Characteristics " in disclose a kind of three-frequency antenna based on SIW, which uses three moulds such as basic mode and higher mode
Formula realizes the adjustable effect of three frequency ranges, but shortcoming be using mode radiation directional diagram it is inconsistent, and gain is uneven,
Differ larger.
Mao Chun Xu et al. in IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS,
VOL.16,2017 " the A Novel Multiband Directional Antenna for Wireless delivered
Communications " in disclose a kind of four frequency antennas, four frequency points of generation are reached by the cascade of multiple resonance minor matters
Effect, frequency point is adjustable, and directional diagram is stablized, but its overall dimension is big compared to the antenna based on SIW, is unfavorable for the small-sized of antenna
Change.
Utility model content
Purpose of the utility model is to solve providing in place of above-mentioned the shortcomings of the prior art, four frequency of one kind is bipolar
Change antenna, which uses the energisation mode of coaxial feed, and energy is made to pass through the never same path coupling of different coupling gaps
It to top, is radiated via straight-flanked ring radiating slot, and antenna structure is compact, section is lower, and antenna pattern is stablized, and is able to achieve letter
Single adjustable four frequencies dual polarization performance.
The another object of the utility model is to provide a kind of wireless telecom equipment.
The purpose of this utility model can be reached by adopting the following technical scheme that:
A kind of four frequency dual polarized antennas, including set gradually from top to bottom the first metal layer, the first substrate integration wave-guide,
Second metal layer, the second substrate integration wave-guide and metal floor, the first metal layer are equipped with straight-flanked ring radiating slot, institute
The centre for stating second metal layer is equipped with cross and couples gap, and is respectively equipped with rectangle coupling in four sides in cross coupling gap
Gap, the centre of second substrate integration wave-guide are equipped with feed through-hole, corresponding position of the metal floor in feed through-hole
It is equipped with round gap.
Further, first substrate integration wave-guide includes first medium substrate, the second substrate integration wave-guide packet
Include second medium substrate, the surrounding of the first medium substrate and second medium substrate is equipped with four row's plated-through holes；
The surrounding of the first metal layer, second metal layer and metal floor is equipped with to be situated between with first medium substrate, second
Corresponding four exhausting hole of four row's plated-through holes on matter substrate.
Further, in every row's plated-through hole, the spacing between two neighboring plated-through hole is identical.
Further, in every row's plated-through hole, the diameter of each plated-through hole is 2mm, and two neighboring metallization is logical
Spacing between hole is 3.8mm.
Further, the first medium substrate is identical with second medium substrate material, and thickness is 1mm, dielectric constant
It is 2.2, dielectric loss angle is 0.0009.
Further, in the straight-flanked ring radiating slot, of same size, any two opposite spokes of four radiating slots
Penetrate that gap length is identical, any two adjacent radiating slot length are different.
Further, two rectangular aperture length in cross coupling gap are identical, of different size.
Further, rectangle coupling gap is of same size, and any two opposite rectangles couple gap length phase
Together, any two adjacent rectangle coupling gap lengths are different.
Further, the feed through-hole is located on a diagonal line of the second substrate integration wave-guide, and deviates the second base
The center certain distance of piece integrated waveguide.
Further, the diameter of the feed through-hole is 1.2mm.
Further, the round gap and the center of circle of feed through-hole are same points, and the diameter in round gap is greater than feedback
The diameter of electric through-hole.
The another object of the utility model can be reached by adopting the following technical scheme that:
A kind of wireless telecom equipment, including four above-mentioned frequency dual polarized antennas.
The utility model have compared with the existing technology it is following the utility model has the advantages that
1, the utility model antenna is superimposed using double-layer substrate integration waveguide, feed probes is inserted into identical with its diameter
Through-hole is fed, can be fed by feed probes, without welding, energy is coupled to via the different coupling gap of intermediate metal layer
Upper metal layer radiates via straight-flanked ring radiating slot, can form four individually controllable frequency points, and directional diagram is spoke upward
It penetrates, antenna pattern is consistent and stablizes, and straight-flanked ring radiating slot has two pairs of radiating slots, and every two frequency point shares a pair of of radiation
Gap keeps structure more compact small and exquisite, and simple adjustable, can be applied in multi-frequency radio communication well.
2, the utility model antenna is by the plated-through hole diameter of loaded medium substrate surrounding in double-layer substrate integration waveguide
It is set as 2mm, the spacing between two neighboring plated-through hole is set as 3.8mm, can prevent the electromagnetic leakage of substrate integration wave-guide.
3, the metal floor of the utility model antenna is equipped with round gap, round gap on the corresponding position of feed through-hole
The center of circle with feed through-hole is same point, and the diameter in round gap is greater than the diameter of feed through-hole, can be to avoid feed probes
It is connected with metal floor and causes short circuit.
Detailed description of the invention
Fig. 1 is the four frequency dual polarized antenna overall schematics of the utility model embodiment.
Fig. 2 is the first metal layer schematic diagram of the four frequency dual polarized antennas of the utility model embodiment.
Fig. 3 is the second metal layer schematic diagram of the four frequency dual polarized antennas of the utility model embodiment.
Fig. 4 is the metal floor schematic diagram of the four frequency dual polarized antennas of the utility model embodiment.
Fig. 5 is the simulation curve figure of the four frequency dual polarized antenna return losses of the utility model embodiment.
Fig. 6 is the Direction Pattern Simulation curve graph of the four frequency dual polarized antennas in 3.4GHz of the utility model embodiment.
Fig. 7 is the Direction Pattern Simulation curve graph of the four frequency dual polarized antennas in 3.94GHz of the utility model embodiment
Fig. 8 is the Direction Pattern Simulation curve graph of the four frequency dual polarized antennas in 4.52GHz of the utility model embodiment.
Fig. 9 is the Direction Pattern Simulation curve graph of the four frequency dual polarized antennas in 5.04GHz of the utility model embodiment.
Wherein, 1- the first metal layer, 101- first through hole, 102- straight-flanked ring radiating slot, the first substrate integration wave-guide of 2-,
201- first medium substrate, the first plated-through hole of 202-, 3- second metal layer, the second through-hole of 301-, the coupling of 302- cross
Gap, 303- rectangle coupling gap, the second substrate integration wave-guide of 4-, 401- second medium substrate, the second plated-through hole of 402-,
403- feeds through-hole, 5- metal floor, 501- third through-hole, 502- circle gap.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
Embodiment:
As shown in Figure 1, present embodiments provide a kind of four frequency dual polarized antennas, the antenna based on substrate integration wave-guide four
Frequency dual polarized antenna, can be applied in wireless telecom equipment comprising the first metal layer 1 that sets gradually from top to bottom,
One substrate integration wave-guide 2, second metal layer 3, the second substrate integration wave-guide 4 and metal floor 5, i.e. the first metal layer 1 are located at
The top of first substrate integration wave-guide, 2 top, second metal layer 3 is located at the first substrate integration wave-guide 2 and the second substrate integrates wave
It leads between 4, metal floor 5 is located at the lower section of the second substrate integration wave-guide 4, the first metal layer 1, the first substrate integration wave-guide 2,
The shape of two metal layers 3, the second substrate integration wave-guide 4 and metal floor 5 is rectangle.
First substrate integration wave-guide 2 includes first medium substrate 201, and the surrounding of first medium substrate 201 is loaded with
Four ranked first plated-through hole 202；Second substrate integration wave-guide 4 includes second medium substrate 401, second medium substrate
401 surrounding, which is loaded with four, ranked second plated-through hole 402, and the first plated-through hole 202 and the second plated-through hole 402 are used for
Cavity body structure is simulated, and the first plated-through hole 202 and the second plated-through hole 402 correspond.
Further, the first medium substrate 201 is identical with 301 material of second medium substrate, and thickness is 1mm, is situated between
Electric constant is 2.2, and dielectric loss angle is 0.0009.
Further, the electromagnetic leakage of substrate integration wave-guide in order to prevent, each first plated-through hole 202 and the second gold medal
The diameter of categoryization through-hole 402 is 2mm, two neighboring first plated-through hole 202 and two neighboring second plated-through hole
Spacing between 402 is identical, and is 3.8mm.
The first metal layer 1 is connected by the first plated-through hole 202 with second metal layer 3, and second metal layer 3 passes through second
Plated-through hole 402 is connected with metal floor 5, therefore the surrounding of the first metal layer 1 is provided with four ranked first through-hole 101, and second
The surrounding of metal layer 3, which is provided with four, ranked second through-hole 301, and the surrounding of metal floor 5, which is provided with four, ranked third through-hole 501, first through hole
101, the second through-hole 301 and third through-hole 501 and the first plated-through hole 202, the second plated-through hole 402 correspond, often
It ranked first through-hole 101, the second through-hole 301, third through-hole 501, the first plated-through hole 202 and the second plated-through hole 402
There are nine；Specifically, the length of upper and lower two rows of through hole center lines is a, and the length of left and right two rows through hole center line is
B, a=b=38.4mm.
As depicted in figs. 1 and 2, straight-flanked ring radiating slot 102, straight-flanked ring radiating slot are etched on the first metal layer 1
Gap 102 has four radiating slots, and (upper and lower two radiating slots constitute a pair of of radiating slot, and left and right two radiating slots are constituted
Another pair radiating slot), four radiating slots it is of same size, any two opposite radiating slot length are identical, any two
The adjacent radiating slot length of item is different；Specifically, the outer edge lengths of upper and lower two radiating slots are a1=13.5mm, it is interior
Edge lengths are a2The outer edge lengths of=10.3mm, left and right two radiating slots are b1=15.9mm, interior edge lengths are b2
=12.4mm.
As shown in figures 1 and 3, the middle etch of the second metal layer 3 has cross to couple gap 302, cross coupling
Joint close gap 302 is formed by two rectangular aperture vertical arrangements, and two rectangular aperture length are identical, of different size；Specifically, wherein
The length of one rectangular aperture is L1, width W1, the length of another rectangular aperture is L2, width W2, L1=L2=
13.1mm W1=2.3mm, W2=2mm.
Further, the second metal layer 3 is etched with rectangle coupling slot in four sides in cross coupling gap 302 respectively
Gap 303, i.e. rectangle coupling gap 303 share four, four rectangles coupling gaps 303 it is of same size, any two are opposite
Rectangle coupling 303 length of gap is identical, and any two adjacent rectangles coupling 303 length of gap are different；Specifically, upper and lower two
The length in rectangle coupling gap is L3, width W3, the length in left and right two rectangles coupling gap is L4, width W4, L3=
22mm, L4=14.5mm, W3=W4=2mm,
In order to realize feed, it is logical that feed is loaded among the second medium substrate 401 on second substrate integration wave-guide 4
Hole 403, the feed through-hole 403 are also plated-through hole, and feed through-hole 403 is located at a diagonal line of second medium substrate 401
On, and deviate the center certain distance of second medium substrate 401, required mode is excited with this, is mainly used for feed and is swashed
Encourage two orthogonal TE in second medium substrate 301210Mould and TE120Mould, the diameter of feed through-hole 403 are 1.2mm.
As shown in FIG. 1 to 3, upper and lower two rectangles coupling gap 303 of second metal layer 3 is for coupling TE120Mould
Two radiating slots of energy 102 corresponding direction of straight-flanked ring radiating slot into the first metal layer 1, and it radiate it；Together
Sample, left and right two rectangles coupling gap 303 of second metal layer 3 can be by TE210The energy coupling of mould is to top and radiates,
Two individually controllable and polarization orthogonal radiation frequency points are formed, and the cross coupling gap 302 for being located at second metal layer 3 can be with
Motivate the TE in first medium substrate 201100Mould and TE010Mould, and frequency point can be respectively by a2And b2Length control, while not
Influence TE120Mould and TE210The control of mould, the two modes can be respectively by the length of different coupling paths or different coupling gaps
Length control.
As shown in Figure 1 and Figure 4, the metal floor 5 is equipped with round gap 502 on the corresponding position of feed through-hole 403,
Short circuit is caused in order to avoid feed probes are connected with metal floor 5, the center of circle of round gap 502 and feed through-hole 403 is same
Point, and the diameter in round gap 502 is greater than the diameter of feed through-hole 403, the feed probes of the present embodiment use sub-miniature A connector, feedback
The sub-miniature A connector inner core of bottom is directly inserted into feed through-hole 403 identical with its diameter when electric；Specifically, round gap
502 diameter R=3.2mm, the distance that the center of circle in round gap 502 to the right side ranked third through-hole 501 is fy, round gap 502
The distance that the center of circle ranked third through-hole under is fx, fx=fy=16.2mm.
In above-described embodiment, the first metal layer 1, second metal layer 3, metal floor 5, the first plated-through hole 202
Hole wall, the hole wall of the second plated-through hole 402, the hole wall that feeds through-hole 403 be all made of metal material and be made, it is preferred to use copper
Material；The wireless telecom equipment can be the electronic equipments such as mobile phone, tablet computer.
By in Fig. 5 | S11| simulation curve can be seen that four modes of the four moulds antenna are motivated completely, four frequencies
Dot center's frequency is respectively 3.4GHz, 3.94GHz, 4.52GHz, 5.04GHz, it can be seen that match condition is good；Fig. 6 to Fig. 9
It is then four modes in the directional diagram of center frequency point, includes main polarization, cross polarization, the face E and the face H, main polarization gain is respectively
5.7dBi, 6.4dBi, 7.3dBi, 7.8dBi, cross polarization ratio is in 15dB or more.
In conclusion the utility model antenna is superimposed using double-layer substrate integration waveguide, feed probes insertion is straight with it
The identical feed through-hole of diameter, can be fed by feed probes, without welding, the energy coupling slot different via intermediate metal layer
Gap is coupled to upper metal layer, radiates via straight-flanked ring radiating slot, can form four individually controllable frequency points, directional diagram is
It radiates upward, antenna pattern is consistent and stablizes, and straight-flanked ring radiating slot has two pairs of radiating slots, and every two frequency point shares one
To radiating slot, keep structure more compact small and exquisite, and simple adjustable, can be applied in multi-frequency radio communication well.
The above, only the utility model patent preferred embodiment, but the protection scope of the utility model patent is simultaneously
Not limited to this, anyone skilled in the art is in the range disclosed in the utility model patent, according to this
Technical solution and its utility model design of utility model patent are subject to equivalent substitution or change, belong to the utility model patent
Protection scope.
Claims (10)
1. a kind of four frequency dual polarized antennas, it is characterised in that: including the first metal layer, the first substrate set gradually from top to bottom
Integrated waveguide, second metal layer, the second substrate integration wave-guide and metal floor, the first metal layer are equipped with straight-flanked ring spoke
Gap is penetrated, the centre of the second metal layer is equipped with cross and couples gap, and sets respectively in four sides in cross coupling gap
There is rectangle to couple gap, the centre of second substrate integration wave-guide is equipped with feed through-hole, and the metal floor is in feed through-hole
Corresponding position be equipped with round gap.
2. four frequencies dual polarized antenna according to claim 1, it is characterised in that: first substrate integration wave-guide includes the
One dielectric substrate, second substrate integration wave-guide include second medium substrate, the first medium substrate and second medium base
The surrounding of piece is equipped with four row's plated-through holes；
The surrounding of the first metal layer, second metal layer and metal floor is equipped with and first medium substrate, second medium base
Corresponding four exhausting hole of four row's plated-through holes of on piece.
3. four frequencies dual polarized antenna according to claim 2, it is characterised in that: two neighboring in every row's plated-through hole
Spacing between plated-through hole is identical.
4. four frequencies dual polarized antenna according to claim 3, it is characterised in that: in every row's plated-through hole, each metal
The diameter for changing through-hole is 2mm, and the spacing between two neighboring plated-through hole is 3.8mm.
5. four frequencies dual polarized antenna according to claim 1-4, it is characterised in that: the straight-flanked ring radiating slot
In, four radiating slots it is of same size, any two opposite radiating slot length are identical, any two adjacent radiating slots
Gap length is different.
6. four frequencies dual polarized antenna according to claim 1-4, it is characterised in that: the cross couples gap
In two rectangular aperture length it is identical, it is of different size.
7. four frequencies dual polarized antenna according to claim 1-4, it is characterised in that: rectangle coupling gap
Of same size, any two opposite rectangle coupling gap lengths are identical, and any two adjacent rectangle coupling gap lengths are not
Together.
8. four frequencies dual polarized antenna according to claim 1-4, it is characterised in that: the feed through-hole is located at the
On one diagonal line of two substrate integration wave-guides, and deviate the center certain distance of the second substrate integration wave-guide.
9. four frequencies dual polarized antenna according to claim 1-4, it is characterised in that: the circle gap and feed
The center of circle of through-hole is same point, and the diameter in round gap is greater than the diameter of feed through-hole.
10. a kind of wireless telecom equipment, it is characterised in that: including the described in any item four frequencies dual polarized antennas of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920490889.4U CN209641833U (en) | 2019-04-12 | 2019-04-12 | Four frequency dual polarized antennas and wireless telecom equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920490889.4U CN209641833U (en) | 2019-04-12 | 2019-04-12 | Four frequency dual polarized antennas and wireless telecom equipment |
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| CN209641833U true CN209641833U (en) | 2019-11-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011043A (en) * | 2019-04-12 | 2019-07-12 | 华南理工大学 | Four frequency dual polarized antennas and wireless telecom equipment |
| CN115051148A (en) * | 2022-07-20 | 2022-09-13 | 四川领航未来通信技术有限公司 | Ultra-wideband orthogonal polarization dual-frequency panel antenna |
-
2019
- 2019-04-12 CN CN201920490889.4U patent/CN209641833U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011043A (en) * | 2019-04-12 | 2019-07-12 | 华南理工大学 | Four frequency dual polarized antennas and wireless telecom equipment |
| CN110011043B (en) * | 2019-04-12 | 2023-12-01 | 华南理工大学 | Four-frequency dual polarized antenna and wireless communication device |
| CN115051148A (en) * | 2022-07-20 | 2022-09-13 | 四川领航未来通信技术有限公司 | Ultra-wideband orthogonal polarization dual-frequency panel antenna |
| CN115051148B (en) * | 2022-07-20 | 2023-09-22 | 四川领航未来通信技术有限公司 | Ultra-wideband orthogonal polarization dual-frequency flat antenna |
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