CN209071611U - Dual-band dual-polarized antenna - Google Patents
Dual-band dual-polarized antenna Download PDFInfo
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- CN209071611U CN209071611U CN201821817587.5U CN201821817587U CN209071611U CN 209071611 U CN209071611 U CN 209071611U CN 201821817587 U CN201821817587 U CN 201821817587U CN 209071611 U CN209071611 U CN 209071611U
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- radiating element
- frequency radiating
- dual
- high frequency
- base spacer
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Abstract
The utility model relates to a kind of dual-band dual-polarized antennas, including the first reflecting plate, low frequency radiating element, high frequency radiating element and the second reflecting plate.Low frequency radiating element is installed on the first reflecting plate.High frequency radiating element is nested in low frequency radiating element, and interval is equipped between high frequency radiating element and the first reflecting plate.Second reflecting plate includes base spacer and several side partitions.Base spacer is connected with side partition, and base spacer is arranged between the first reflecting plate and high frequency radiating element.Side partition is respectively positioned on base spacer far from the wherein one side of the first reflecting plate, and side partition is wound around the periphery of high frequency radiating element, and side partition is between high frequency radiating element and the radiation arm of low frequency radiating element.Above-mentioned dual-band dual-polarized antenna, it can be that high frequency radiating element builds relatively independent electromagnetic environment, excessive gap and low frequency balun bring adverse effect are avoided, the pattern characteristics and S parameter of high frequency radiating element can be obviously improved, while can guarantee the lesser volume of product.
Description
Technical field
The utility model relates to a kind of antennas, more particularly to a kind of dual-band dual-polarized antenna.
Background technique
With gradually going deep into for global 4G network construction, 5G network gradually starts to be laid out, more miniature antenna size and lower day
Line wind load becomes the index request of each operator.Traditional dual-band dual-polarized antenna includes reflecting plate and is arranged in reflecting plate
On low frequency radiating element and high frequency radiating element.High frequency radiating element is located at the middle part of low frequency radiating element.In order to protect
The antenna pattern characteristic and S parameter for demonstrate,proving high frequency radiating element are all satisfied index request, it will usually increase low frequency radiating element
Bore, the volume size that so will lead to dual-band dual-polarized antenna are larger.
Utility model content
Based on this, it is necessary to overcome the deficiencies of existing technologies, provide a kind of dual-band dual-polarized antenna, it can guarantee corpusculum
The pattern characteristics and S parameter of high frequency radiating element can be obviously improved while product size.
Its technical solution is as follows: a kind of dual-band dual-polarized antenna, comprising: the first reflecting plate, low frequency radiating element and high frequency
Radiating element, the low frequency radiating element are installed on first reflecting plate, and the high frequency radiating element is nested in described low
In radio-frequency radiation unit, and interval is equipped between the high frequency radiating element and first reflecting plate；Second reflecting plate, described
Two reflecting plates include base spacer and several side partitions, and the base spacer is connected with the side partition, and the base spacer is arranged
Between first reflecting plate and the high frequency radiating element, the side partition is respectively positioned on the base spacer far from described first
On the wherein one side of reflecting plate, the side partition is wound around the periphery of the high frequency radiating element, and the side partition is located at
Between the high frequency radiating element and the radiation arm of the low frequency radiating element.
Above-mentioned dual-band dual-polarized antenna, the second reflecting plate are equivalent to bending shape radiation boundary, the side of the second reflecting plate every
Plate can form biggish electromagnetic coupling face with the radiation arm of low frequency radiating element.For high frequency radiating element, when the electromagnetism
When the size of coupling surface is sufficiently large, it is equivalent to bending shape radiation boundary and is electrically connected with low frequency radiating element, so as to be high frequency
Radiating element builds relatively independent electromagnetic environment, avoids excessive gap and low frequency balun bring adverse effect, Neng Gouming
The aobvious pattern characteristics and S parameter for improving high frequency radiating element, when can eliminate high frequency radiating element and being nested into low frequency radiating element
Brought band segment can not resonance defect, improve the wave beam convergence and cross polarization ratio of nested high frequency radiating element
Deng radiation index.In addition, and the non-required bore such as traditional increase low frequency radiating element, but add the second reflecting plate, this
Sample can guarantee the lesser volume of product.
Further, the side partition to the radiation arm of the low frequency radiating element is corresponding one by one is arranged, the side partition
It is arranged in parallel with the radiation arm of the low frequency radiating element；The radiation arm of the side partition and the low frequency radiating element it
Between distance be less than 4mm~6mm.
Further, the side partition to the radiation arm of the low frequency radiating element is corresponding one by one is arranged, the side partition
It is vertically set on the base spacer.
Further, it is wound around on the side of the base spacer to the side baffle interval；Or the side partition is successively
It links together and is wound around on the side of the base spacer.
Further, using the base spacer as datum level, the side partition relative to the datum level height at least
Greater than 2mm~4mm.
Further, the side of the side partition is serrated, is wavy or linear.
Further, the high frequency radiating element is installed on the base spacer.
Further, the base spacer is equipped with cable hole, after the conducting wire of the high frequency radiating element passes through the cable hole
It is electrically connected with external circuit.
Further, the dual-band dual-polarized antenna further includes support base, and the support base setting is anti-described first
It penetrates between plate and the base spacer, the base spacer is installed on first reflecting plate by the support base.
Further, the base spacer and side partition the being connected as a body structure；The base spacer and described first
Reflecting plate is arranged in parallel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dual-band dual-polarized antenna described in an embodiment of the present invention；
Fig. 2 is the schematic cross-section of dual-band dual-polarized antenna described in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of dual-band dual-polarized antenna described in another embodiment of the utility model；
Fig. 4 is the structural schematic diagram of dual-band dual-polarized antenna described in another embodiment of the utility model；
Fig. 5 is the structural schematic diagram of dual-band dual-polarized antenna described in the utility model another embodiment；
Fig. 6 is the structural schematic diagram of dual-band dual-polarized antenna described in the utility model yet another embodiment；
Fig. 7 is the Smith pie diagram of dual-band dual-polarized antenna described in an embodiment of the present invention；
Fig. 8 is the Smith pie diagram of traditional dual-band dual-polarized antenna.
Appended drawing reference:
10, the first reflecting plate, 20, low frequency radiating element, 21, radiation arm, 30, high frequency radiating element, the 40, second reflection
Plate, 41, base spacer, 42, side partition, 50, support base.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include at least one of the features.In the description of the present invention,
The meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.
In the description of the present invention, it should be understood that when an element is considered as " connection " another element,
It can be directly to another element or may be simultaneously present intermediary element.On the contrary, when element be referred to as " direct " and
When another element connects, intermediary element is not present.
In one embodiment, Fig. 1 and Fig. 2 is please referred to, a kind of dual-band dual-polarized antenna, including it is the first reflecting plate 10, low
Radio-frequency radiation unit 20, high frequency radiating element 30 and the second reflecting plate 40.It is anti-that the low frequency radiating element 20 is installed in described first
It penetrates on plate 10.The high frequency radiating element 30 is nested in the low frequency radiating element 20, and the high frequency radiating element 30 with
Interval is equipped between first reflecting plate 10.Second reflecting plate 40 includes base spacer 41 and several side partitions 42.Institute
It states base spacer 41 to be connected with the side partition 42, and the setting of the base spacer 41 is in first reflecting plate 10 and the high frequency spoke
It penetrates between unit 30.Specifically, the base spacer 41 and 42 the being connected as a body structure of side partition, the base spacer 41 with
First reflecting plate 10 is arranged in parallel.The side partition 42 is respectively positioned on the base spacer 41 far from first reflecting plate 10
Wherein on one side, the side partition 42 is wound around the periphery of the high frequency radiating element 30, and the side partition 42 is located at institute
It states between high frequency radiating element 30 and the radiation arm 21 of the low frequency radiating element 20.
Above-mentioned dual-band dual-polarized antenna, the second reflecting plate 40 are equivalent to bending shape radiation boundary, the second reflecting plate 40
Side partition 42 can form biggish electromagnetic coupling face with the radiation arm 21 of low frequency radiating element 20.For high frequency radiating element 30
Speech is equivalent to bending shape radiation boundary and is electrically connected with low frequency radiating element 20 when the size in the electromagnetic coupling face is sufficiently large,
So as to build relatively independent electromagnetic environment for high frequency radiating element 30, excessive gap and low frequency balun bring are avoided not
Benefit influences, and can be obviously improved the pattern characteristics and S parameter of high frequency radiating element 30, and it is nested to eliminate high frequency radiating element 30
Enter brought band segment when low frequency radiating element 20 can not resonance defect, improve the wave of nested high frequency radiating element 30
Beam convergence and cross polarization ratio etc. radiate index.In addition, and the non-required bore such as traditional increase low frequency radiating element 20,
But the second reflecting plate 40 is added, it can guarantee the lesser volume of product in this way.
In one embodiment, the side partition 42 to the radiation arm 21 of the low frequency radiating element 20 is corresponding one by one sets
It sets, the radiation arm 21 of the side partition 42 and the low frequency radiating element 20 is arranged in parallel.The side partition 42 with it is described
The distance between radiation arm 21 of low frequency radiating element 20 is less than 4mm~6mm.Specifically, the side partition 42 and the low frequency
The distance between radiation arm 21 of radiating element 20 is less than 5mm.In this way, working as the radiation arm of side partition 42 and low frequency radiating element 20
The distance between 21 it is smaller when, side partition 42 can increase electromagnetic coupling strengths after low frequency radiating element 20.
In another embodiment, the side partition 42 to the radiation arm 21 of the low frequency radiating element 20 is corresponding one by one sets
It sets, the side partition 42 is vertically set on the base spacer 41.In this way, side partition 42 is not parallel to low frequency radiating element 20
Radiation arm 21, side partition 42 can be vertically arranged with base spacer 41 or substantially vertical setting, equally enables to side partition
42 can be formed by the area coinciding requirement in electromagnetic coupling face with the radiation arm 21 of low frequency radiating element 20, while can be refering to figure
7 and Fig. 8, relative to the S parameter of traditional high frequency radiating element 30, the S parameter of the dual-band dual-polarized antenna in the present embodiment is humorous
Vibration disappears, hence it is evident that improves S parameter convergence property.
Further, Fig. 1, Fig. 4 and Fig. 6 are please referred to, 42 compartment of terrain of side partition is wound around the side of the base spacer 41
In portion.Alternatively, please referring to Fig. 3 and Fig. 5, the side partition 42 can also be connected in turn and be wound around the base spacer 41
Side on.No matter partition 42 compartment of terrain in side is wound around on base spacer 41, after being still connected in turn further around be located at bottom every
On plate 41, the face that electromagnetic coupling face is formed by between side partition 42 and the radiation arm 21 of low frequency radiating element 20 is enabled to
Product meets the requirements.
Further, using the base spacer 41 as datum level, height of the side partition 42 relative to the datum level
At least more than 2mm~4mm.Specifically, the side partition 42 is relative to the height of the datum level at least more than 3mm.In this way, working as
Electromagnetism when side partition 42 is bigger relative to the height of datum level, between the radiation arm 21 of side partition 42 and low frequency radiating element 20
Stiffness of coupling is bigger, equally can build independent electromagnetism working environment for high frequency radiating element 30.
Fig. 1 to Fig. 6 is please referred to, specifically, the side of the side partition 42 is serrated, is wavy or linear.Such as
This, no matter the shape of the side of side partition 42 be zigzag with it is wavy or linear, enable to side partition 42 with it is low
It is formed by the area coinciding requirement in electromagnetic coupling face between the radiation arm 21 of radio-frequency radiation unit 20, can be high frequency radiating element
30 build independent electromagnetism working environment.
In one embodiment, the high frequency radiating element 30 is installed on the base spacer 41.Specifically, high frequency radiation
The balun fixing seat of unit 30 is removably installed on base spacer 41.
Further, the base spacer 41 is equipped with cable hole, and the conducting wire of the high frequency radiating element 30 passes through the cabling
Kong Houyu external circuit is electrically connected.In this way, feed structure is electrically connected after cable hole with external circuit by conducting wire, no
It influences high frequency radiating element 30 and the feed of external circuit is of coupled connections.
Further, the dual-band dual-polarized antenna further includes support base 50.The support base 50 setting is described the
Between one reflecting plate 10 and the base spacer 41, the base spacer 41 is installed in first reflecting plate by the support base 50
On 10.In this way, support column supports base spacer 41, base spacer 41 can support high frequency radiating element 30, so that high frequency
The top of the first reflecting plate 10 is arranged in radiating element 30 in a manner of raising.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of dual-band dual-polarized antenna characterized by comprising
First reflecting plate, low frequency radiating element and high frequency radiating element, the low frequency radiating element are installed in first reflection
On plate, the high frequency radiating element is nested in the low frequency radiating element, and the high frequency radiating element and described first is instead
It penetrates and is equipped with interval between plate；
Second reflecting plate, second reflecting plate include base spacer and several side partitions, the base spacer and the side partition
It is connected, and the base spacer is arranged between first reflecting plate and the high frequency radiating element, the side partition is respectively positioned on
On wherein one side of the base spacer far from first reflecting plate, the side partition is wound around the high frequency radiating element
Periphery, and the side partition is between the high frequency radiating element and the radiation arm of the low frequency radiating element.
2. dual-band dual-polarized antenna according to claim 1, which is characterized in that the side partition and the low frequency radiation list
The radiation arm of member is accordingly arranged one by one, and the radiation arm of the side partition and the low frequency radiating element is arranged in parallel；It is described
The distance between radiation arm of side partition and the low frequency radiating element is less than 4mm~6mm.
3. dual-band dual-polarized antenna according to claim 1, which is characterized in that the side partition and the low frequency radiation list
The radiation arm of member is accordingly arranged one by one, and the side divider upright is arranged on the base spacer.
4. dual-band dual-polarized antenna according to claim 1, which is characterized in that be wound around to the side baffle interval described
On the side of base spacer；Or the side partition is connected in turn and is wound around on the side of the base spacer.
5. dual-band dual-polarized antenna according to claim 1, which is characterized in that using the base spacer as datum level, institute
Side partition is stated relative to the height of the datum level at least more than 2mm~4mm.
6. dual-band dual-polarized antenna according to claim 1, which is characterized in that the side of the side partition is serrated,
It is wavy or linear.
7. dual-band dual-polarized antenna according to claim 1, which is characterized in that the high frequency radiating element is installed in described
On base spacer.
8. dual-band dual-polarized antenna according to claim 7, which is characterized in that the base spacer is equipped with cable hole, described
The conducting wire of high frequency radiating element is electrically connected after passing through the cable hole with external circuit.
9. dual-band dual-polarized antenna according to claim 1, which is characterized in that further include support base, the support base is set
It sets between first reflecting plate and the base spacer, the base spacer is installed in first reflection by the support base
On plate.
10. according to claim 1 to dual-band dual-polarized antenna described in 9 any one, which is characterized in that the base spacer and institute
State side partition being connected as a body structure；The base spacer is arranged in parallel with first reflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821817587.5U CN209071611U (en) | 2018-11-06 | 2018-11-06 | Dual-band dual-polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821817587.5U CN209071611U (en) | 2018-11-06 | 2018-11-06 | Dual-band dual-polarized antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209071611U true CN209071611U (en) | 2019-07-05 |
Family
ID=67097787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821817587.5U Active CN209071611U (en) | 2018-11-06 | 2018-11-06 | Dual-band dual-polarized antenna |
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| Country | Link |
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| CN (1) | CN209071611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449607A (en) * | 2018-11-06 | 2019-03-08 | 华南理工大学 | Dual-band dual-polarized antenna |
-
2018
- 2018-11-06 CN CN201821817587.5U patent/CN209071611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449607A (en) * | 2018-11-06 | 2019-03-08 | 华南理工大学 | Dual-band dual-polarized antenna |
| CN109449607B (en) * | 2018-11-06 | 2024-02-23 | 华南理工大学 | Dual-frequency dual-polarized antenna |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510640 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee after: SOUTH CHINA University OF TECHNOLOGY Patentee after: Jingxin Network System Co.,Ltd. Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee after: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee after: TIANJIN COMBA TELECOM SYSTEMS Ltd. Address before: 510640 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: SOUTH CHINA University OF TECHNOLOGY Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210805 Address after: 510640 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee after: SOUTH CHINA University OF TECHNOLOGY Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510640 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: SOUTH CHINA University OF TECHNOLOGY Patentee before: Jingxin Network System Co.,Ltd. Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |