CN215266665U - 3.5G gain dual-polarized panel antenna - Google Patents
3.5G gain dual-polarized panel antenna Download PDFInfo
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- CN215266665U CN215266665U CN202121841239.3U CN202121841239U CN215266665U CN 215266665 U CN215266665 U CN 215266665U CN 202121841239 U CN202121841239 U CN 202121841239U CN 215266665 U CN215266665 U CN 215266665U
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Abstract
The utility model discloses a 3.5G gain dual-polarized panel antenna, which comprises a circuit board, a connecting unit, a bottom plate and a connector; the circuit board is connected with the bottom plate through the connecting unit; the circuit board comprises a substrate, a circuit layer and a protective layer; the circuit layer is arranged on the upper surface of the substrate, and the protective layer is arranged on the upper surface of the circuit layer; the circuit layer comprises a plurality of vibrators and a feed network, and the plurality of vibrators are electrically connected through the feed network; the connector is arranged on the bottom plate, and the output end of the connector is electrically connected with the feed network; the application aims at providing a 3.5G gain dual polarization panel antenna, can not receive abominable environmental impact, reduces the call loss, reduces the interference, improves quality of service, reduce cost, guarantees quality of service.
Description
Technical Field
The utility model relates to the technical field of antennas, especially, relate to a 3.5G gain dual polarization panel antenna.
Background
The dual-polarized antenna is a novel antenna technology, combines two pairs of antennas with mutually orthogonal polarization directions of +45 degrees and-45 degrees and simultaneously works in a receiving-transmitting duplex mode, so that the most outstanding advantage is that the number of antennas of a single directional base station is saved; generally, a directional base station of a GSM digital mobile communication network needs to use 6 antennas, each sector uses 2 antennas, and if a dual-polarized antenna is used, each sector only needs 1 antenna; meanwhile, in the dual-polarized antenna, the polarization orthogonality of +/-45 degrees can ensure that the isolation between the + 45-degree and-45-degree antennas meets the requirement of intermodulation on the distance between the antennas, so that the space interval between the dual-polarized antennas only needs 20-30 cm; in addition, the dual-polarized antenna has the advantage of an electric tuning antenna, and the dual-polarized antenna is used in a mobile communication network as the electric tuning antenna, so that call loss can be reduced, interference can be reduced, and the service quality of the whole network can be improved.
The existing dual-polarized antenna mainly adopts metal stamping parts or cable feed, the manufacture is troublesome, the oscillator and the feed network are difficult to keep on the same plane, the number of welding points is large, the electrical property is unstable, the consistency is poor, the metal stamping parts are easy to deform, difficult to process and assemble, the cost is high, and the electrical property indexes are gradually deteriorated after long service time. The reason is caused by oxidation and easy deformation of metal parts after the antenna is installed outdoors and used for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 3.5G gain double polarization panel antenna can not receive abominable environmental impact, reduces the call loss, reduces the interference, improves quality of service, and reduce cost guarantees quality of service.
To achieve the purpose, the utility model adopts the following technical proposal: A3.5G gain dual-polarized panel antenna comprises a circuit board, a connecting unit, a bottom plate and a connector; the circuit board is connected with the bottom plate through the connecting unit; the circuit board comprises a substrate, a circuit layer and a protective layer; the circuit layer is arranged on the upper surface of the substrate, and the protective layer is arranged on the upper surface of the circuit layer; the circuit layer comprises a plurality of vibrators and a feed network, and the plurality of vibrators are electrically connected through the feed network; the connector is arranged on the bottom plate, and the output end of the connector is electrically connected with the feed network.
Preferably, the oscillators include two feeding ports, the feeding ports are slot-shaped, the feeding ports of the oscillators face to the same end of the substrate, and the feeding ports of the oscillators are electrically connected through the feeding network.
Preferably, the vibrators are of a circular structure, the number of the circular vibrators is four, and the circular vibrators are distributed along the length direction of the substrate at equal intervals.
Preferably, the number of the connectors is two, and output ends of the two connectors are electrically connected with the middle part of the feed network respectively.
Preferably, the connecting unit comprises a supporting sleeve and a connecting screw, the bottom plate is provided with a through hole, the circuit board is provided with a threaded hole correspondingly matched with the through hole, and the threaded end of the connecting screw penetrates through the through hole and the supporting sleeve and then is connected with the threaded hole.
Preferably, the protective layer is made of epoxy resin material, and the thickness of the protective layer is 0.6-1.0 mm.
Preferably, the oscillator and the feed network are sprayed with solder mask layers.
Preferably, the thickness of the base plate is 1.2-1.8 mm.
The utility model discloses a technical scheme's beneficial effect: the oscillator is matched with the feed network, and impedance design requirements are met through impedance transformation. The oscillator reflects signals through the bottom plate, so that the horizontal plane beam width of the antenna can achieve 65 degrees, and the vertical plane beam width of the antenna can achieve the design requirement of 15 degrees. And the circuit layer is protected by the protective layer, so that the antenna can be used for a long time without being influenced by severe environment, and the service quality is kept in the using process.
The utility model discloses mainly be used in the aspect of indoor outer signal coverage, reinforcing signal strength improves transmission distance, and the antenna service quality can not the variation in bad environment. The antenna has the advantages of reducing call loss, reducing interference, improving service quality, reducing antenna cost, improving production efficiency, along with low cost, simplicity in manufacture, high consistency passing rate, difficulty in oxidation of the oscillator, capability of ensuring service quality and the like.
Drawings
FIG. 1 is an assembly schematic of an embodiment of the present invention;
fig. 2 is a schematic side view of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a circuit board according to an embodiment of the present invention.
Wherein: circuit board 1, base plate 11, circuit layer 12, oscillator 121, feed network 122, connecting unit 2, support cover 21, bottom plate 3, connector 4.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, a 3.5G gain dual-polarized panel antenna includes a circuit board 1, a connection unit 2, a bottom plate 3 and a connector 4; the circuit board 1 is connected with the bottom plate 3 through the connecting unit 2;
the circuit board 1 comprises a substrate 11, a circuit layer 12 and a protective layer; the circuit layer 12 is arranged on the upper surface of the substrate 11, and the protective layer is arranged on the upper surface of the circuit layer 12;
the circuit layer 12 includes a plurality of vibrators 121 and a feed network 122, the plurality of vibrators 121 are electrically connected through the feed network 122;
the connector 4 is disposed on the bottom plate 3, and an output end of the connector 4 is electrically connected to the feeding network 122.
With the structure, impedance design requirements are met through matching of the oscillator 121 and the feed network 122 and through impedance transformation. The element 121 reflects signals through the bottom plate 3, so that the horizontal plane beam width of the antenna can achieve 65 degrees, and the vertical plane beam width of the antenna can achieve the design requirement of 15 degrees. The circuit layer 12 is protected by the protective layer, so that the antenna can be used for a long time without being influenced by a severe environment, and the service quality is kept in the using process.
The utility model discloses mainly be used in the aspect of indoor outer signal coverage, reinforcing signal strength improves transmission distance, and the antenna service quality can not the variation in bad environment. In the using process, the call loss can be reduced, the interference is reduced, the service quality is improved, the antenna cost is reduced, the production efficiency is improved, and the antenna has the advantages of low cost, simplicity in manufacture, high consistency passing rate, difficulty in oxidation of the oscillator 121, capability of guaranteeing the service quality and the like.
Preferably, the oscillators 121 comprise two feeding ports, the feeding ports are slot-shaped, the feeding ports of the oscillators 121 face to the same end of the substrate 11, and the feeding ports of the oscillators 121 are electrically connected through the feeding network 122.
Specifically, the vibrators 121 are circular structures, four circular vibrators 121 are provided, and the four circular vibrators 121 are equidistantly distributed along the length direction of the substrate 11.
With the structure, the four circular oscillators 121 are designed in a vertical array mode and are fed in an equal-amplitude equal-phase mode. The feed network 122 is impedance transformed to meet impedance design requirements. The four circular oscillators 121 reflect signals through the bottom plate 3, so that the horizontal plane beam width of the antenna is 65 degrees, and the vertical plane beam width meets the design requirement of 15 degrees by 4 circular oscillator arrays.
In this application, the number of the connectors 4 is two, and the output ends of the two connectors 4 are electrically connected to the middle of the feed network 122, respectively.
Preferably, the connection unit 2 includes a support sleeve 21 and a connection screw, the bottom plate 3 is provided with a through hole, the circuit board 1 is provided with a threaded hole correspondingly matched with the through hole, and a threaded end of the connection screw passes through the through hole and the support sleeve 21 and then is connected with the threaded hole.
By adopting the structure, the supporting sleeve 21, the connecting screw and the threaded hole are matched to fix the bottom plate 3 and the circuit board 1, and the supporting sleeve 21 can keep a certain gap between the circuit board 1 and the bottom plate 3, so that the bottom plate 3 can conveniently reflect signals.
Preferably, the protective layer is made of epoxy resin material, and the thickness of the protective layer is 0.6-1.0 mm.
By adopting the structure, the epoxy resin material has electric insulation, moisture resistance, thermal shock resistance, heat resistance and low corrosivity, can play a good role in protecting the circuit layer 12, prevents the circuit layer 12 from being corroded, reduces the interference of severe environment to the antenna, and prolongs the service life of the antenna.
Specifically, the oscillator 121 and the feeding network 122 are sprayed with solder resist.
The solder mask can prevent physical disconnection of the conductor circuit, and in the welding process, short circuit caused by bridging is prevented, copper pollution to a welding trough is reduced, and insulation deterioration and corrosion caused by external environmental factors such as dust and moisture are prevented. The surface of the circuit board 1 is sprayed with the solder mask, so that the circuit board 1 is not easy to oxidize, the antenna can be used for a long time or the service quality of the antenna in a severe environment is not deteriorated, and the service quality is kept in the using process.
Preferably, the thickness of the bottom plate 3 is 1.2-1.8 mm.
The size of the antenna is 220 multiplied by 120 multiplied by 25mm, the working frequency is 1300 plus 3700MHz, the gain is larger than 14dBi, the horizontal beam angle is 65 degrees, the vertical beam angle is 15 degrees, and the front-to-back ratio is larger than 25 dB.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A3.5G gain dual-polarized panel antenna is characterized by comprising a circuit board, a connecting unit, a bottom plate and a connector;
the circuit board is connected with the bottom plate through the connecting unit;
the circuit board comprises a substrate, a circuit layer and a protective layer; the circuit layer is arranged on the upper surface of the substrate, and the protective layer is arranged on the upper surface of the circuit layer;
the circuit layer comprises a plurality of vibrators and a feed network, and the plurality of vibrators are electrically connected through the feed network;
the connector is arranged on the bottom plate, and the output end of the connector is electrically connected with the feed network.
2. A 3.5G-gain dual-polarized panel antenna according to claim 1, wherein the elements comprise two feeding ports, the feeding ports are slot-shaped, the feeding ports of the elements face to the same end of the substrate, and the feeding ports of the elements are electrically connected through the feeding network.
3. The 3.5G gain dual-polarized panel antenna according to claim 1, wherein the elements are of a circular structure, four circular elements are provided, and the four circular elements are equidistantly distributed along the length direction of the substrate.
4. A3.5G gain dual polarized panel antenna according to claim 3, wherein there are two connectors, and the output ends of the two connectors are electrically connected to the middle part of the feeding network respectively.
5. The 3.5G gain dual-polarized panel antenna according to claim 1, wherein the connection unit comprises a support sleeve and a connection screw, the bottom plate is provided with a through hole, the circuit board is provided with a threaded hole correspondingly matched with the through hole, and a threaded end of the connection screw passes through the through hole and the support sleeve and then is connected with the threaded hole.
6. A 3.5G gain dual polarized patch antenna as claimed in claim 1, wherein said protection layer is made of epoxy resin material, and the thickness of said protection layer is 0.6-1.0 mm.
7. A 3.5G gain dual polarized panel antenna according to claim 1, wherein said oscillator and said feeding network are sprayed with solder resist.
8. A 3.5G gain dual polarized panel antenna according to claim 1, wherein the thickness of said bottom plate is 1.2-1.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841239.3U CN215266665U (en) | 2021-08-06 | 2021-08-06 | 3.5G gain dual-polarized panel antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841239.3U CN215266665U (en) | 2021-08-06 | 2021-08-06 | 3.5G gain dual-polarized panel antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215266665U true CN215266665U (en) | 2021-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121841239.3U Active CN215266665U (en) | 2021-08-06 | 2021-08-06 | 3.5G gain dual-polarized panel antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215266665U (en) |
-
2021
- 2021-08-06 CN CN202121841239.3U patent/CN215266665U/en active Active
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