CN220368139U - Dual-port panel antenna for realizing low-frequency-band frequency expansion - Google Patents
Dual-port panel antenna for realizing low-frequency-band frequency expansion Download PDFInfo
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- CN220368139U CN220368139U CN202321794091.1U CN202321794091U CN220368139U CN 220368139 U CN220368139 U CN 220368139U CN 202321794091 U CN202321794091 U CN 202321794091U CN 220368139 U CN220368139 U CN 220368139U
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- reflecting plate
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- port panel
- feed cable
- plate
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- 230000005855 radiation Effects 0.000 claims abstract description 32
- 238000002955 isolation Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses a dual-port panel antenna for realizing low-frequency band frequency expansion, which comprises two groups of antenna units, wherein the two groups of antenna units are respectively a first antenna unit and a second antenna unit, and each group of antenna units comprises a reflecting plate, a radiation assembly and a feed cable; in the first antenna unit and the second antenna unit, the second feed cable passes through the lower part of the first reflecting plate and then extends to be electrically connected with the second radiating component, so that the second feed cable is coupled with partial energy to the first reflecting plate, which is equivalent to the fact that the first reflecting plate is used for forming a radiating component to be used as a part of the second radiating component, the frequency range of the second radiating component is widened, and the purpose of low-frequency expansion is achieved under the condition that the second radiating component is a low-frequency radiating component.
Description
Technical Field
The utility model relates to the technical field of antenna equipment, in particular to a dual-port panel antenna for realizing low-frequency-band frequency expansion.
Background
Along with the development of communication technology, communication modes are more and more varied, and in the construction of an indoor distribution system, multiple modes are integrated together, so that the requirement on the frequency band of an antenna is wider and wider.
Currently, two main technologies for realizing indoor distributed broadband antennas exist: one is multi-band combining, namely, each sub-band adopts a radiation unit to realize the electrical performance of the frequency band, and then the sub-bands of each group are combined through a combiner to realize the broadband. However, this solution has the disadvantage of high antenna cost and large size, and is difficult to apply to indoor distribution systems, especially in the case of multiple channels.
The second is to use broadband radiating element to realize broadband antenna. The current broadband antenna in the market has realized 698-960/1710-2700/3300-3800MHz frequency band, covering most of 2G/3G/4G/5G frequency band. However, in the field of directional antennas, it is difficult to extend the frequency.
Disclosure of Invention
The utility model aims to provide a dual-port panel antenna for realizing low-frequency band frequency extension, which can realize multiple channels and frequency extension of the low frequency band of one channel under the condition of maintaining the antenna structure basically unchanged.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a dual port panel antenna for implementing low band frequency extension, comprising: the two groups of antenna units are arranged in the vertical axial direction; the two groups of antenna units comprise a first antenna unit and a second antenna unit;
the first antenna unit comprises a first reflecting plate, a first radiation component arranged on the first reflecting plate and a first feed cable electrically connected with the first radiation component;
the second antenna unit comprises a second reflecting plate, a second radiation assembly arranged on the second reflecting plate and a second feed cable electrically connected with the second radiation assembly;
the second feed cable passes through the lower part of the first reflecting plate in an isolated way, and extends to the upper part of the second reflecting plate to be electrically connected with the second radiation assembly.
Compared with the prior art, the dual-port panel antenna for realizing low-frequency band frequency expansion comprises two groups of antenna units, wherein the two groups of antenna units are a first antenna unit and a second antenna unit respectively, and the first antenna unit comprises a first reflecting plate, a first radiation component arranged on the first reflecting plate and a first feed cable electrically connected with the first radiation component; the second antenna unit comprises a second reflecting plate, a second radiation assembly arranged on the second reflecting plate and a second feed cable electrically connected with the second radiation assembly; in the first antenna unit and the second antenna unit, the second feed cable passes through the lower part of the first reflecting plate in an isolated manner, and the second feed cable extends to be electrically connected with the second radiating component, so that the energy of the coupling part of the first feed cable is transmitted to the first reflecting plate, and the coupling part is equivalent to the fact that the first reflecting plate is used for forming a radiating component to serve as a part of the second radiating component, the frequency range of the second radiating component is widened, and the purpose of low-frequency range frequency expansion is achieved under the condition that the second radiating component is a low-frequency radiating component.
Further, the first feeding cable passes through the upper side of the first reflecting plate to be electrically connected with the first radiation assembly.
Further, the first reflecting plate and the second reflecting plate have a size of λ/4, where λ is a wavelength of the first radiation component or the second radiation component in one vibration period.
Further, the setting height of the first reflecting plate is larger than the setting height of the second reflecting plate.
Further, a spacer is provided between the two groups of antenna units.
Further, the isolation plate is mounted on the first reflection plate of the first antenna unit.
Further, the second feeding cable is isolated from and passes through the lower part of the first reflecting plate, and after the second feeding cable extends to the upper part of the second reflecting plate and is electrically connected with the second radiation assembly, the second feeding cable is not contacted with the first reflecting plate and the isolating plate.
Further preferably, a distance between the second feeding cable and the partition plate is greater than 0 and equal to or less than 5 mm; the distance between the second feed cable and the first reflecting plate is more than 0 and less than or equal to 5 mm.
Further, the dual-port panel antenna further comprises:
and the antenna shell, two groups of antenna units are arranged in the antenna shell.
For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.
Drawings
Fig. 1 is a schematic structural diagram of a dual-port panel antenna for implementing low-band frequency extension in the present application;
fig. 2 is a schematic structural diagram of another angle of a dual-port panel antenna for implementing low-band frequency extension in the present application.
Detailed Description
In order to better illustrate the present utility model, the present utility model will be described in further detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the embodiments of the present application.
The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims. In the description of this application, it should be understood that the terms "first," "second," "third," and the like are used merely to distinguish between similar objects and are not necessarily used to describe a particular order or sequence, nor should they be construed to indicate or imply relative importance. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
As a preferred embodiment of the present application, as shown in fig. 1, a dual-port panel antenna for implementing low-band frequency extension includes: the two groups of antenna units are arranged in the vertical axial direction;
wherein the two groups of antenna elements comprise a first antenna element 1 and a second antenna element 2;
the first antenna unit 1 includes a first reflecting plate 11, a first radiating member 12 provided on the first reflecting plate 11, and a first feeding cable 13 electrically connected to the first radiating member 12;
the second antenna unit 2 includes a second reflection plate 21, a second radiation member 22 provided on the second reflection plate 21, and a second feeding cable 23 electrically connected to the second radiation member 22;
the second feeding cable 23 passes below the first reflecting plate 11 and extends to above the second reflecting plate 21 to be electrically connected with the second radiation group 22.
Specifically, the feeder line is connected to a signal source, and the signal is coupled to a part of the energy value first reflecting plate 11 through the second feeder cable 23, so that the first reflecting plate 11 can function as a radiating element/radiating element.
Based on this, the dual-port panel antenna for implementing low-frequency band frequency extension in the present embodiment includes two groups of antenna units, the two groups of antenna units are a first antenna unit 1 and a second antenna unit 2, the first antenna unit 1 includes a first reflecting plate 11, a first radiating component 12 disposed on the first reflecting plate 11, and a first feeding cable 13 electrically connected to the first radiating component 12; the second antenna unit 2 includes a second reflection plate 21, a second radiation member 22 provided on the second reflection plate 21, and a second feeding cable 23 electrically connected to the second radiation member 22; in the first antenna unit 1 and the second antenna unit 2, the second feeding cable 23 passes through the lower part of the first reflecting plate 11 in an isolated manner, and the second feeding cable 23 extends to be electrically connected with the second radiating component 22, so that part of energy coupled by the first feeding cable 13 is coupled to the first reflecting plate 11, which is equivalent to the fact that the first reflecting plate 11 forms a radiating component to be used as a part of the second radiating component 22, thereby widening the frequency range of the second radiating component 22, and realizing the purpose of low-frequency expansion under the condition that the second radiating component 22 is a low-frequency radiating component. A step of
In the present embodiment, in order to avoid that the first feeding cable 13 affects the energy coupling on the second feeding cable 23, the first feeding cable 13 is electrically connected to the first radiation assembly 12 through the upper side of the first reflecting plate 11, and the first feeding cable 13 is isolated from the second feeding cable 23 based on the first reflecting plate 11.
Based on the determination of the low frequency extension width, the energy coupled to the first reflecting plate 11 is adjusted by setting the size of the first reflecting plate 11 or the distance between the second feeding cable 23 and the first reflecting plate 11, thereby determining the adjustment range of the low frequency extension width.
According to one example, the dimensions of the first and second reflection plates 11 and 21 are set to λ/4, where λ is indicated as a wavelength of the first radiation member 12 or the second radiation member 22 in one vibration period, thereby achieving a low frequency spread of 380 to 490 MHz.
In this embodiment, the first reflecting plate 13 is disposed at a height greater than that of the second reflecting plate 23.
Specifically, as shown in fig. 2, the installation is performed according to the optimal installation positions of the first reflecting plate 11 and the second reflecting plate 21, a reference plane is set, the distance between the first reflecting plate 11 and the reference plane is maintained at a, the distance between the second reflecting plate 21 and the reference plane is maintained at B, and a > B is satisfied, which can improve the isolation between the two sets of antenna elements.
In addition, the first reflection plate 11 and the second reflection plate 21 are disposed obliquely to the horizontal plane, and also have an effect of improving the isolation between the two sets of antenna elements under the condition that a > B is satisfied.
Further, in order to further improve the isolation between the two groups of antenna units, as shown in fig. 1 or fig. 2, a separation plate 3 is disposed between the two groups of antenna units, and the separation plate 3 is detachably mounted, that is, the action of the separation plate 3 is set to be flexibly adjusted so as to adapt to the actual requirements.
Specifically, it is preferable that the separation plate 3 is mounted on the first reflection plate 11 of the first antenna unit 1.
In this embodiment, as shown in fig. 2, after the second feeding cable 23 extends to above the second reflecting plate 11 through the lower part of the first reflecting plate 11 and is electrically connected with the second radiation assembly 22, the second feeding cable 23 is not contacted with the first reflecting plate 11 and the isolation plate 3, so that the energy coupled by the second feeding cable 23 is prevented from being electrically interfered by the first reflecting plate 11 and the isolation plate 3 when being transferred to the first reflecting plate 11, and the practical use is prevented. In addition, the first reflecting plate 11 and the isolation plate 3 are respectively close to the second feeding cable 23, and in practical application, in order to meet the requirement of coupling out the low frequency band, the distance between the second feeding cable and the isolation plate is greater than 0 and less than or equal to 5 millimeters; the distance between the second feeding cable and the first reflecting plate is greater than 0 and equal to or less than 5 mm, and specifically, as a specific application in this embodiment, the distance between the second feeding cable 23 and the isolation plate 3 is 1mm, and the distance between the second feeding cable 23 and the first reflecting plate 11 is 1mm.
In this embodiment, the dual-port panel antenna further includes: and the antenna shell (not shown), and the two groups of antenna units are arranged in the antenna shell (not shown) to meet the actual use requirements.
On the other hand, an antenna housing (not shown) may be used to position the installation positions of the first antenna unit 1 and the second antenna unit 2 so that the first antenna unit 1 and the second antenna unit 2 are not in contact with each other, the height positions of the first antenna unit 1 and the second antenna unit 2 may be flexibly set, and the routing of the first feeding cable 13 and the second feeding cable 23 may be positioned in conjunction with the antenna housing.
Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (9)
1. A dual-port panel antenna for implementing low-band frequency extension, comprising:
the two groups of antenna units are arranged in the vertical axial direction;
the two groups of antenna units comprise a first antenna unit and a second antenna unit;
the first antenna unit comprises a first reflecting plate, a first radiation component arranged on the first reflecting plate and a first feed cable electrically connected with the first radiation component;
the second antenna unit comprises a second reflecting plate, a second radiation assembly arranged on the second reflecting plate and a second feed cable electrically connected with the second radiation assembly;
the second feed cable passes through the lower part of the first reflecting plate in an isolated way, and extends to the upper part of the second reflecting plate to be electrically connected with the second radiation assembly.
2. The dual port panel antenna of claim 1 wherein:
the first feed cable passes through the upper side of the first reflecting plate and is electrically connected with the first radiation assembly.
3. The dual port panel antenna of claim 1 wherein:
the first and second reflective plates are each sized to be λ/4, where λ is indicated as a wavelength of the first or second radiation assembly in one vibration period.
4. The dual port panel antenna of claim 1 wherein:
the setting height of the first reflecting plate is larger than that of the second reflecting plate.
5. The dual port panel antenna of claim 1 wherein:
and a separation plate is arranged between the two groups of antenna units.
6. The dual port panel antenna of claim 5 wherein:
the isolation plate is mounted on the first reflection plate of the first antenna unit.
7. The dual port panel antenna of claim 6 wherein:
the second feed cable is isolated from the lower part of the first reflecting plate and passes through the lower part of the first reflecting plate, and after the second feed cable extends to the upper part of the second reflecting plate and is electrically connected with the second radiation assembly, the second feed cable is not contacted with the first reflecting plate and the isolating plate, and the first reflecting plate and the isolating plate are respectively close to the second feed cable.
8. The dual port panel antenna of claim 7 wherein:
the distance between the second feed cable and the isolation plate is more than 0 and less than or equal to 5 mm;
the distance between the second feed cable and the first reflecting plate is more than 0 and less than or equal to 5 mm.
9. The dual port panel antenna of claim 1, wherein the dual port panel antenna further comprises:
and the antenna shell and the two groups of antenna units are arranged in the antenna shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794091.1U CN220368139U (en) | 2023-07-10 | 2023-07-10 | Dual-port panel antenna for realizing low-frequency-band frequency expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794091.1U CN220368139U (en) | 2023-07-10 | 2023-07-10 | Dual-port panel antenna for realizing low-frequency-band frequency expansion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220368139U true CN220368139U (en) | 2024-01-19 |
Family
ID=89516674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321794091.1U Active CN220368139U (en) | 2023-07-10 | 2023-07-10 | Dual-port panel antenna for realizing low-frequency-band frequency expansion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220368139U (en) |
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2023
- 2023-07-10 CN CN202321794091.1U patent/CN220368139U/en active Active
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