CN212011286U - Dual-frequency outdoor AP antenna - Google Patents
Dual-frequency outdoor AP antenna Download PDFInfo
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- CN212011286U CN212011286U CN202020508313.9U CN202020508313U CN212011286U CN 212011286 U CN212011286 U CN 212011286U CN 202020508313 U CN202020508313 U CN 202020508313U CN 212011286 U CN212011286 U CN 212011286U
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Abstract
The utility model discloses an outdoor AP antenna of dual-frenquency, including antenna structure, antenna structure includes the base plate, is equipped with the antenna unit on the base plate, and the antenna unit includes first radiation component and second radiation component, and first radiation component and second radiation component all include first connecting branch, two first radiation branches and two second radiation branches, and the one end of first radiation branch, second radiation branch is respectively with first connecting branch fixed connection, and the length value of first radiation branch is greater than the length value of second radiation branch; a first adjusting branch is arranged on an antenna unit at one end of the antenna structure, and the first adjusting branch is positioned between the two first radiation branches; and the other antenna units which are not provided with the first adjusting branch are provided with second adjusting branches, and the second adjusting branches are arranged at one ends of the first radiation branches far away from the first connecting branch. The device has the characteristics of simple structure, easy assembly, high gain and good omni-directionality.
Description
Technical Field
The utility model relates to the technical field of antennas, especially, relate to an outdoor AP antenna of dual-frenquency.
Background
The AP antenna is a common device for establishing a wireless network, can connect the wireless network with a wired network, and accesses each wireless network client to the Ethernet so as to realize information exchange and interchange. With the coming of the 5G era, the interconnection of everything becomes a trend, and the construction of smart cities depends on a wireless network tool. The outdoor AP external antenna meets the requirement of urban wireless network coverage and is easy to install, but the existing outdoor dual-frequency antenna is mostly a two-unit array, the gain is lower, the coverage distance is not long, and the omni-directional property is not good.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the dual-frequency outdoor AP antenna has the characteristics of high gain and good omni-directionality.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a dual-frequency outdoor AP antenna comprises an antenna structure, wherein the antenna structure comprises a substrate, at least three antenna units are arranged on the substrate at intervals, each antenna unit comprises a first radiation assembly and a second radiation assembly, the first radiation assemblies and the second radiation assemblies are respectively arranged on two opposite side surfaces of the substrate, and the orientation of the first radiation assemblies is opposite to that of the second radiation assemblies; the first radiation assembly and the second radiation assembly respectively comprise a first connecting branch, two first radiation branches and two second radiation branches, one ends of the first radiation branches and one ends of the second radiation branches are respectively and fixedly connected with the first connecting branch, the length value of the first radiation branches is larger than that of the second radiation branches, and the two first radiation branches are arranged between the two second radiation branches; a first adjusting branch is arranged on an antenna unit at one end of the antenna structure, and the first adjusting branch is positioned between the two first radiation branches; and the other antenna units which are not provided with the first adjusting branch are provided with second adjusting branches, and the second adjusting branches are arranged at one ends of the first radiation branches far away from the first connecting branch.
Further, the first radiation branch and the second radiation branch are located on the same side of the first connection branch.
Further, the first radiating branch is disposed in parallel with respect to the second radiating branch.
Furthermore, a broken line connecting line is arranged between two adjacent antenna units without the first adjusting branch.
Furthermore, a straight line connecting line is arranged between the antenna unit provided with the first adjusting branch and the adjacent antenna unit.
Furthermore, a feeding point is arranged between the antenna unit provided with the first adjusting branch and the adjacent antenna unit.
Further, the antenna also comprises a joint and a core wire, wherein one end of the core wire is electrically connected with the joint, and the other end of the core wire is electrically connected with the first radiating component and the second radiating component respectively at the feeding point.
Further, the core wire is connected with the substrate in a welding mode.
Further, still include the casing, the antenna structure sets up in the casing.
Furthermore, the working frequency range of the antenna structure is 2.4-2.5 GHz and 5.15-5.85 GHz.
The beneficial effects of the utility model reside in that: the antenna structure is provided with at least three antenna units, so that the gain of the dual-frequency antenna can be effectively improved within a given size range, and the omni-directionality is good. The utility model discloses a AP antenna simple structure easily assembles.
Drawings
Fig. 1 is a schematic view of an overall structure of a dual-frequency outdoor AP antenna according to a first embodiment of the present invention;
fig. 2 is an exploded view of a dual-band outdoor AP antenna according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of an antenna structure in a dual-frequency outdoor AP antenna according to a first embodiment of the present invention;
fig. 4 is a schematic partial structural diagram of an antenna structure in a dual-band outdoor AP antenna according to a first embodiment of the present invention;
fig. 5 is a standing wave diagram of a dual-frequency outdoor AP antenna according to a first embodiment of the present invention;
fig. 6 is a gain diagram of a dual-frequency outdoor AP antenna according to a first embodiment of the present invention;
fig. 7 is an efficiency diagram of a dual-band outdoor AP antenna according to a first embodiment of the present invention;
fig. 8 is a directional diagram (E-plane) of the dual-band outdoor AP antenna according to the first embodiment of the present invention at 2.45 GHz;
fig. 9 is another direction (H-plane) of the dual-band outdoor AP antenna of the first embodiment of the present invention at 2.45 GHz;
fig. 10 is a directional diagram (E-plane) of the dual-band outdoor AP antenna of the first embodiment of the present invention at 5.15 GHz;
fig. 11 is another direction diagram (H-plane) of the dual-band outdoor AP antenna of the first embodiment of the present invention at 5.15 GHz.
Description of reference numerals:
1. an antenna structure; 21. a substrate; 22. a first radiating element; 23. a second radiating element; 221. a first connecting branch; 222. a first radiating branch; 223. a second radiating branch; 224. a first regulation branch; 225. a second regulation branch; 24. a fold line connecting line; 25. a linear connecting line; 26. a feed point;
2. a housing; 3. a joint; 4. a core wire.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the antenna structure comprises at least three antenna units, and the first radiation assembly and the second radiation assembly of each antenna unit are respectively arranged on two side surfaces of the substrate, so that the gain of the dual-frequency antenna can be effectively improved within a given size range.
Referring to fig. 1 to 4, a dual-band outdoor AP antenna includes an antenna structure 1, where the antenna structure 1 includes a substrate 21, at least three antenna units are disposed on the substrate 21 at intervals, each antenna unit includes a first radiation element 22 and a second radiation element 23, the first radiation element 22 and the second radiation element 23 are respectively disposed on two opposite sides of the substrate 21, and a direction of the first radiation element 22 is opposite to a direction of the second radiation element 23; the first radiation assembly 22 and the second radiation assembly 23 each include a first connecting branch 221, two first radiation branches 222, and two second radiation branches 223, one end of each of the first radiation branch 222 and the second radiation branch 223 is fixedly connected to the first connecting branch 221, the length of the first radiation branch 222 is greater than that of the second radiation branch 223, and the two first radiation branches 222 are disposed between the two second radiation branches 223; a first adjusting branch 224 is disposed on an antenna unit located at one end of the antenna structure 1, and the first adjusting branch 224 is located between two first radiation branches 222; the other antenna elements not provided with the first adjusting branch 224 are provided with a second adjusting branch 225, and the second adjusting branch 225 is disposed at an end of the first radiating branch 222 away from the first connecting branch 221.
From the above description, the beneficial effects of the present invention are: the first and second radiating branches have different lengths to realize dual-frequency radiation, and the first and second adjusting branches can be used for adjusting standing waves of the dual-frequency antenna. The utility model discloses a AP antenna simple structure, the gain is high, and the omnidirectionality is good.
Further, the first radiation branch 222 and the second radiation branch 223 are located on the same side of the first connection branch 221.
Further, the first radiation branch 222 is arranged in parallel with respect to the second radiation branch 223.
Further, a broken line connection line 24 is provided between two adjacent antenna units without the first adjusting branch 224.
As can be seen from the above description, the zigzag connection line is arranged to enable two adjacent antenna elements to achieve a phase shift of 2 pi, so that at least three antenna elements generate currents in the same direction, thereby enhancing the gain of the antenna.
Further, a straight connecting line 25 is provided between the antenna unit provided with the first adjusting branch 224 and the adjacent antenna unit.
Further, a feeding point 26 is provided between the antenna element provided with the first adjusting branch 224 and the adjacent antenna element.
Further, a joint 3 and a core 4 are included, one end of the core 4 is electrically connected to the joint 3, and the other end of the core 4 is electrically connected to the first and second radiation members 22 and 23 at the feeding point 26, respectively.
As can be seen from the above description, the joint and the core wire can be designed integrally, which is convenient for assembly; the first radiating component and the second radiating component can be connected through the metalized through hole, so that feeding is facilitated.
Further, the core wire 4 is soldered to the substrate 21.
As can be seen from the above description, the soldered connection can enhance the connection stability and ensure the stable performance of the antenna.
Further, still include casing 2, antenna structure 1 sets up in casing 2.
Furthermore, the operating frequency range of the antenna structure 1 is 2.4 to 2.5GHz and 5.15 to 5.85 GHz.
Referring to fig. 1 to 11, a first embodiment of the present invention is:
the utility model provides an outdoor AP antenna of dual-frenquency, as shown in fig. 1 and fig. 2, includes antenna structure 1, casing 2 and joint 3, antenna structure 1 set up in the casing 2, joint 3 is connected with antenna structure 1 electricity, and joint 3 can be public head of N type, and the casing 2 of this embodiment is cylindrical, and the diameter of casing 2 is 22mm, and whole outdoor antenna of dual-frenquency is 234.5mm long.
As shown in fig. 3, the antenna structure 1 includes a substrate 21, and at least three antenna units are spaced on the substrate 21, in this embodiment, the number of the antenna units is three, and of course, more antenna units may be provided as needed, and the distances between two adjacent antenna units are equal. The substrate 21 was made of 2.2 Dk and 0.001 Df, and had a thickness of 1mm, a length of 192.5mm and a width of 14 mm.
As shown in fig. 4, the antenna unit includes a first radiation element 22 and a second radiation element 23, the first radiation element 22 and the second radiation element 23 are respectively disposed on two opposite sides of the substrate 21, and an orientation of the first radiation element 22 is opposite to an orientation of the second radiation element 23. The first radiation assembly 22 and the second radiation assembly 23 each include a first connecting branch 221, two first radiation branches 222, and two second radiation branches 223, and one end of each of the first radiation branch 222 and the second radiation branch 223 is fixedly connected to the first connecting branch 221, in this embodiment, the first radiation branch 222 and the second radiation branch 223 are respectively vertically disposed with respect to the first connecting branch 221, and may be disposed at other angles as needed. The first radiation branch 222 and the second radiation branch 223 are located on the same side of the first connection branch 221, and the first radiation branch 222 is arranged in parallel with respect to the second radiation branch 223. The length of the first radiating branch 222 is greater than the length of the second radiating branch 223, and two first radiating branches 222 are disposed between two second radiating branches 223. The first radiating branch 222 can generate a frequency band of 2.4-2.5 GHz, the second radiating branch 223 can generate a frequency band of 5.15-5.85 GHz, and the length values of the first radiating branch 222 and the second radiating branch 223 can be adjusted according to needs. A first adjusting branch 224 is disposed on an antenna unit at one end of the antenna structure 1, and the first adjusting branch 224 is disposed between the two first radiating branches 222. That is, the first adjusting branch 224 is disposed only on the antenna unit located at the end, only one first adjusting branch 224 may be disposed, and may be disposed on any side of the substrate 21, and the first adjusting branch 224 is used for tuning the standing wave of 5.15 to 5.85 GHz. The other antenna elements not provided with the first adjusting branch 224 are provided with a second adjusting branch 225, and the second adjusting branch 225 is disposed at an end of the first radiating branch 222 away from the first connecting branch 221. In this embodiment, one end of each first radiating branch 222 can be provided with the second adjusting branch 225, and the second adjusting branch 225 is used for tuning a 2.4-2.5 GHz standing wave.
In this embodiment, a polygonal connection line 24 is disposed between two adjacent antenna elements without the first adjusting branch 224, and the polygonal connection line 24 can enable the antenna elements to achieve a phase shift of 2 pi, so that three antenna elements generate currents in the same direction, so as to enhance the gain of the antenna. A straight connecting line 25 is provided between the antenna element provided with the first adjusting branch 224 and the antenna element adjacent thereto.
A feeding point 26 is provided between the antenna element provided with the first adjusting branch 224 and its adjacent antenna element, and the feeding point 26 is located in the middle of the two antenna elements. The outdoor AP antenna of dual-frenquency still includes heart yearn 4, the one end of heart yearn 4 with connect 3 electricity to be connected, in this embodiment, heart yearn 4 and joint 3 can the integration setting. The other end of the core wire 4 is electrically connected to the first and second radiating elements 22 and 23, respectively, at the feeding point 26. The core wire 4 is disposed on one side of the substrate 21, and a via hole is disposed at the feeding point 26, so that the core wire 4 can feed the radiation element on the other side, and the core wire 4 can realize constant-amplitude feeding. In order to increase the stability of the core wire 4, the core wire 4 is soldered to the substrate 21.
FIG. 5 is a standing wave diagram of the dual-band outdoor AP antenna of the present embodiment, and it can be seen from the standing wave diagram that the operating frequency ranges are 2.4-2.5 GHz and 5.15-5.85 GHz.
Fig. 6 is a gain diagram of the dual-frequency outdoor AP antenna of this embodiment, and it can be seen from the diagram that dual-frequency gains are both high, the gain in the 2.4-2.5 GHz band is above 3.5dBi, and the gain in the 5.15-5.85 GHz band is above 6 dBi.
Fig. 7 is a graph of efficiency of the dual-frequency outdoor AP antenna of this embodiment, and it can be seen from the graph that the dual-frequency efficiency is all above 70%.
Fig. 8 and 9 are 2.45GHz directivity patterns of the dual-band outdoor AP antenna of the present embodiment, and fig. 10 and 11 are 5.15GHz directivity patterns, which can be seen from the figures that the omni-directivity is good.
To sum up, the utility model provides a pair of outdoor AP antenna of dual-frenquency, its simple structure easily assembles, and has high-gain and the good characteristics of omnidirectionality.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. A dual-frequency outdoor AP antenna comprises an antenna structure, wherein the antenna structure comprises a substrate, and is characterized in that at least three antenna units are arranged on the substrate at intervals, each antenna unit comprises a first radiation assembly and a second radiation assembly, the first radiation assemblies and the second radiation assemblies are respectively arranged on two opposite side surfaces of the substrate, and the orientation of the first radiation assemblies is opposite to that of the second radiation assemblies; the first radiation assembly and the second radiation assembly respectively comprise a first connecting branch, two first radiation branches and two second radiation branches, one ends of the first radiation branches and one ends of the second radiation branches are respectively and fixedly connected with the first connecting branch, the length value of the first radiation branches is larger than that of the second radiation branches, and the two first radiation branches are arranged between the two second radiation branches; a first adjusting branch is arranged on an antenna unit at one end of the antenna structure, and the first adjusting branch is positioned between the two first radiation branches; and the other antenna units which are not provided with the first adjusting branch are provided with second adjusting branches, and the second adjusting branches are arranged at one ends of the first radiation branches far away from the first connecting branch.
2. The dual-band outdoor AP antenna of claim 1, wherein the first and second radiating branches are located on a same side of the first connecting branch.
3. The dual-band outdoor AP antenna of claim 1, wherein the first radiating branch is disposed in parallel with respect to the second radiating branch.
4. The dual-band outdoor AP antenna of claim 1, wherein a polyline connection line is disposed between two adjacent antenna elements without the first adjusting branch.
5. The dual-band outdoor AP antenna of claim 1, wherein a straight connecting line is provided between the antenna element provided with the first tuning branch and its adjacent antenna element.
6. The dual-band outdoor AP antenna of claim 1, wherein a feed point is provided between the antenna element having the first tuning branch and its neighboring antenna element.
7. The dual-band outdoor AP antenna of claim 6, further comprising a tab and a core, one end of the core being electrically connected to the tab and the other end of the core being electrically connected to the first and second radiating elements, respectively, at the feed point.
8. The dual-frequency outdoor AP antenna of claim 7, wherein the core wire is soldered to the substrate.
9. The dual-band outdoor AP antenna of claim 1, further comprising a housing, the antenna structure disposed within the housing.
10. The dual-band outdoor AP antenna of claim 1, wherein the antenna structure operates over a frequency range of 2.4-2.5 GHz and 5.15-5.85 GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020508313.9U CN212011286U (en) | 2020-04-08 | 2020-04-08 | Dual-frequency outdoor AP antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020508313.9U CN212011286U (en) | 2020-04-08 | 2020-04-08 | Dual-frequency outdoor AP antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212011286U true CN212011286U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020508313.9U Active CN212011286U (en) | 2020-04-08 | 2020-04-08 | Dual-frequency outdoor AP antenna |
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|---|---|
| CN (1) | CN212011286U (en) |
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2020
- 2020-04-08 CN CN202020508313.9U patent/CN212011286U/en active Active
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