CN217641794U

CN217641794U - High-frequency spotlight antenna

Info

Publication number: CN217641794U
Application number: CN202221536115.9U
Authority: CN
Inventors: 蔡孟昇; 杨华; 李英杰; 钟勇; 萧霖; 卢建章
Original assignee: Foshan Shengfu Communication Equipment Co ltd
Current assignee: Foshan Shengfu Communication Equipment Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-10-21
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a high frequency shot-light antenna, this high frequency shot-light antenna have the high frequency radiation unit of first radiant panel and second radiant panel to and the first radiation rectangle array and the second radiation rectangle array that a plurality of high frequency radiation unit constitutes have improved shot-light antenna's structure, are favorable to optimizing shot-light antenna's communication operation quality.

Description

High-frequency spotlight antenna

Technical Field

The utility model relates to the field of communication technology, especially, relate to a high frequency shot-light antenna.

Background

Practice shows that in the practical application process of the mobile communication technology, communication signals are often influenced by terrain, building structures and the like in the application scene, and the communication quality is poor due to the occurrence of time delay, signal diffusion and the like in the communication process.

In a mobile communication system, a spotlight antenna is one of important components affecting the overall stability of the system. Therefore, the communication operation quality of the spotlight antenna can be optimized, and the stability of the communication of the mobile communication system can be improved.

Therefore, how to optimize the communication operation quality of the spotlight antenna by improving the structure of the spotlight antenna is a technical problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a high frequency shot-light antenna is provided, through the structure that improves shot-light antenna to optimize the communication operation quality of shot-light antenna.

In order to solve the technical problem, the utility model discloses a high-frequency spot lamp antenna, which comprises a reflecting plate and a plurality of radiation rectangular arrays arranged on the front surface of the reflecting plate,

the first radiation rectangular array is arranged in the middle of the reflecting plate, the two second radiation rectangular arrays are respectively arranged on two sides of the first radiation rectangular array,

the first radiation rectangular array and/or the second radiation rectangular array are/is provided with a high-frequency radiation unit, the high-frequency radiation unit comprises two radiation plates vertically arranged on the front surface of the reflection plate,

two sides of the first radiation plate are provided with first radiation oscillator arms extending outwards,

two sides of the second radiation plate are provided with second radiation oscillator arms extending outwards,

the first radiation plate and the second radiation plate are connected in a crossed mode in space and form a first included angle.

It can be seen that the utility model discloses a high frequency shot-light antenna has the high frequency radiation unit of first radiating plate and second radiating plate to and the first radiation rectangle array and the second radiation rectangle array that a plurality of high frequency radiation unit constitutes, improved shot-light antenna's structure, be favorable to optimizing shot-light antenna's communication operation quality.

Furthermore, a second included angle is formed between the body of the first radiation plate and the first radiation vibrator arm, a third included angle is formed between the body of the second radiation plate and the second radiation vibrator arm, and the size of the second included angle is the same as that of the third included angle.

Further, a feeding piece is arranged on the first radiating plate, so that the first radiating plate and the second radiating plate are coupled to feed electricity.

Further, a U-shaped balun is arranged on the first radiation plate and/or the second radiation plate.

Further, the edge of the reflection plate is bent inward.

Furthermore, a plurality of metal shelves are arranged on the body of the reflecting plate,

the metal shelf divides the interior of the first radiating rectangular array into a plurality of first radiating rectangular array groups,

and/or the metal shelf partitions the interior of the second radiating rectangular array into a plurality of second radiating rectangular array groups.

Furthermore, the high-frequency spotlight antenna also comprises a power divider arranged on the back face of the reflecting plate, the power divider is connected with a cable through a PCB, and the PCB is provided with a calibration network formed by a plurality of microstrip lines.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

Fig. 1 is a schematic view of an overall structure of a high-frequency spot lamp antenna according to an embodiment of the present invention;

FIG. 2 is a top view of the high frequency spot lamp antenna shown in FIG. 1;

fig. 3 is a schematic view of a side surface of a first radiation plate;

fig. 4 is a schematic view of the other side surface of the first radiation plate;

fig. 5 is a schematic view of a side surface of a second radiation plate;

fig. 6 is a schematic view of the other side surface of the second radiation plate.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The utility model discloses a high frequency shot-light antenna, as shown in fig. 1 and fig. 2, including reflecting plate 100 and set up a plurality of radiation rectangle array in the front of reflecting plate 100. As shown in fig. 1 and 2, the first radiating rectangular array 200 is disposed in the middle of the reflection plate 100, and the two second radiating rectangular arrays 300 are disposed at both sides of the first radiating rectangular array 200, respectively. The first radiating rectangular array 200 and the second radiating rectangular array 300 are beneficial to increasing the signal coverage of the area opposite to the front surface of the reflection plate 100, thereby being beneficial to optimizing the communication operation quality of the high-frequency spotlight antenna.

Optionally, the high-frequency reflector antenna may be selected to operate in a frequency band of 3.5G according to the requirements of application scenarios. In order to improve the applicability of the high-frequency spotlight antenna, the high-frequency spotlight antenna can be matched with a power divider and a PCB (printed circuit board) for realizing a signal calibration function. Specifically, the power divider may be disposed on the back of the reflection plate 100, and the power divider is connected to the cable through a PCB, and the PCB is provided with a calibration network formed by a plurality of microstrip lines. The PCB board may be connected to an external device through a cable, the external device may be used as a signal source, and the signal is calibrated through the PCB board and then input to the first rectangular radiating array 200 and/or the second rectangular radiating array 300 through the power divider.

Optionally, a plurality of metal shelves 400 may be disposed on the body of the reflection plate 100 to improve the anti-interference capability inside the high-frequency spotlight antenna, and specifically, the metal shelves 400 may be disposed in the first radiation rectangular array 200, so that the inside of the first radiation rectangular array 200 is partitioned into a plurality of first radiation rectangular array groups 210; the metal shelf 400 may also be arranged in the second radiating rectangular array 300 such that the inside of the second radiating rectangular array 300 is partitioned into several second radiating rectangular array groups 310.

The first radiating rectangular array 200 and/or the second radiating rectangular array 300 are provided with the high-frequency radiating units 500, and optionally, in the first radiating rectangular array 200, the high-frequency radiating units 500 are arranged in a 4 × 2 array, and in the second radiating rectangular array 300, the high-frequency radiating units 500 are arranged in a 2 × 1 array; further alternatively, the pitch between two adjacent high-frequency radiation units 500 may be 70mm.

The high-frequency radiation unit 500 includes two radiation plates vertically disposed on the front surface of the reflection plate 100. In order to further improve the signal radiation performance of the radiation unit, and thus the high frequency spotlight antenna performance, as shown in fig. 2 to 6, the first radiation plate 510 is provided with a first radiation oscillator arm 511 extending outward on both sides, the second radiation plate 520 is provided with a second radiation oscillator arm 521 extending outward on both sides, and the first radiation oscillator arm 511 and the second radiation oscillator arm 521 are used to improve the signal coverage of the radiation unit. The first radiation plate 510 and the second radiation plate 520 are connected in a crossing manner in space and form a first included angle 530. Alternatively, as shown in fig. 3, the first included angle 530 may be 90 °, so that the high-frequency radiating unit 500 is shaped like an "x", and in this case, the first radiating plate 510 and the second radiating plate 520 constitute a ± 45 ° dipole unit.

It can be seen that, the utility model discloses a high frequency shot-light antenna has the high frequency radiating element 500 of first radiating plate 510 and second radiating plate 520 to and the first radiation rectangle array 200 and the second radiation rectangle array 300 that a plurality of high frequency radiating element 500 constitutes, improved shot-light antenna's structure, be favorable to optimizing shot-light antenna's communication operation quality.

Further, in order to further expand the signal coverage of the high-frequency radiating unit 500, the coverage area of the radiating surface of the high-frequency radiating unit 500 may be increased, specifically, as shown in fig. 3 to fig. 6, a second included angle 512 is formed between the body of the first radiating plate 510 and the first radiating oscillator arm 511, and a third included angle 522 is formed between the body of the second radiating plate 520 and the second radiating oscillator arm 521. In order to realize the structural symmetry of the high-frequency radiating unit 500, the second included angle 512 may be the same as the third included angle 513.

Further, as shown in fig. 3 to 6, a feeding sheet 513 is disposed on the first radiation plate 510, so that the first radiation plate 510 and the second radiation plate 520 are coupled to feed. Alternatively, in order to balance the current on the radiating element arms, as shown in fig. 3, a U-shaped balun 514 may be disposed on the first radiating plate 510; as shown in fig. 5, a U-shaped balun 523 is disposed on the second radiation plate 520.

Further, as shown in fig. 1, the edge 110 of the reflector 100 is bent inward to facilitate signal isolation between the high frequency reflector antenna and the outside.

Finally, it should be noted that: the high frequency spot light antenna disclosed in the embodiments of the present invention is only a preferred embodiment of the present invention, and is only used for illustrating the technical solution of the present invention, not limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A high-frequency spot lamp antenna is characterized by comprising a reflecting plate and a plurality of radiation rectangular arrays arranged on the front surface of the reflecting plate,

2. The high-frequency reflector lamp antenna according to claim 1, wherein a second included angle is formed between the body of the first radiation plate and the first radiation oscillator arm, a third included angle is formed between the body of the second radiation plate and the second radiation oscillator arm, and a size of the second included angle is the same as a size of the third included angle.

3. A high-frequency radiation lamp antenna according to claim 1, wherein a feed piece is disposed on the first radiation plate, so that the first radiation plate and the second radiation plate are coupled to feed.

4. The high-frequency spotlight antenna of claim 3, wherein a U-shaped balun is disposed on the first radiating plate and/or the second radiating plate.

5. A high frequency radiation lamp antenna according to claim 1, characterized in that the edge of said reflecting plate is bent inward.

6. The high frequency spot light antenna according to claim 1, wherein a plurality of metal shelves are disposed on the body of the reflector,

and/or the metal shelf separates the inner part of the second radiating rectangular array into a plurality of second radiating rectangular array groups.

7. The high-frequency spotlight antenna of claim 1, further comprising a power divider arranged on the back of the reflector, wherein the power divider is connected with a cable through a PCB, and the PCB is provided with a calibration network composed of a plurality of microstrip lines.