CN215119257U

CN215119257U - Miniaturized dual-polarized panel WIFI antenna

Info

Publication number: CN215119257U
Application number: CN202121634359.6U
Authority: CN
Inventors: 宋茂盛; 王陆山; 赵黎明; 陈福利
Original assignee: FOSHAN KENBOTONG COMMUNICATION Ltd
Current assignee: FOSHAN KENBOTONG COMMUNICATION Ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-12-10
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a miniaturized dual polarization dull and stereotyped WIFI antenna, it includes: a metal reflective plate; the antenna array is arranged above the metal reflecting plate; the antenna array is provided with 16 radiation oscillators which are arranged into a square shape according to four transverse directions and four longitudinal directions; each radiating oscillator is provided with a horizontal feeder line and a vertical feeder line; the horizontal feeder lines of all the radiating oscillators are connected with direct feed through a horizontal feed network to form horizontal polarization; the vertical feed lines of all the radiating elements are connected through a vertical feed network and directly fed to form vertical polarization. The antenna is arranged into an antenna array in a four-transverse four-longitudinal square mode through 16 radiation oscillators, the gain is high, the gain at the central frequency can reach 19.5dBi, the radiation directivity is strong, the high-efficiency coverage on a hot spot area is facilitated, and the distribution of a feed network is facilitated due to the four-transverse four-longitudinal arrangement; this WIFI antenna profile is low, is favorable to the miniaturization of antenna, and the convenience is installed in narrow space, consequently can integrate very easily on various platforms.

Description

Miniaturized dual-polarized panel WIFI antenna

Technical Field

The utility model relates to the technical field of antennas, especially, relate to a miniaturized dual polarization flat WIFI antenna.

Background

Nowadays, with the continuous improvement of the WIFI network of the operator, the number of users and the data traffic are continuously increased. However, people have many problems in the use process of the WIFI wireless broadband. The most common phenomena are that the internet surfing speed is low, the network delay is large or more serious, the connection is directly disconnected. The main reasons for these problems are heavy equipment load, insufficient capacity of the end access AP, poor signal coverage, etc. However, the gain of the WIFI antenna gradually cannot meet the requirement of people on a wireless network, which is increased at a high speed, and the WIFI antenna also has the problem of radio frequency interference.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a miniaturized dual polarization flat WIFI antenna.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

a miniaturized dual-polarized planar WIFI antenna, comprising:

a metal reflective plate;

the antenna array is arranged above the metal reflecting plate; the antenna array is provided with 16 radiation oscillators which are arranged in four transverse directions and four longitudinal directions to form a square shape;

a plurality of guide pieces, each of which is disposed above each of the radiating elements via an insulating column;

each radiating oscillator is provided with a horizontal feeder line and a vertical feeder line; the horizontal feeder lines of all the radiating oscillators are connected with direct feeding through a horizontal feeding network to form horizontal polarization; and the vertical feed lines of all the radiating oscillators are connected with direct feed through a vertical feed network to form vertical polarization.

As a miniaturized dual polarization flat panel WIFI antenna's a preferred implementation, horizontal feed network, vertical feed network with the integrative stamping forming of radiation oscillator.

As the utility model provides a miniaturized dual polarization flat panel WIFI antenna's an preferred implementation mode, the radiation oscillator is thickness 1 mm's square metal sheet.

As the utility model provides a miniaturized dual polarization flat panel WIFI antenna's a preferred implementation, every limit length of radiation oscillator is 0.44 central frequency wavelength.

As the utility model provides a miniaturized dual polarization flat panel WIFI antenna's a preferred implementation, adjacent two distance between the radiation oscillator equals and the center distance is 0.88 central frequency wavelength.

As the utility model provides a miniaturized dual polarization flat panel WIFI antenna's a preferred implementation mode, it is the circular metal sheet that thickness is 1mm to lead to the piece.

As the utility model provides a miniaturized dual polarization flat panel WIFI antenna's a preferred implementation, the size of leading to the piece diameter is 0.46 central frequency wavelength.

As a preferred implementation of miniaturized dual polarization panel WIFI antenna, horizontal feed network and vertical feed network all adopt air microstrip line structure.

As the utility model provides a miniaturized dual polarization flat panel WIFI antenna's a preferred implementation mode, the metal reflecting plate is thickness 2 mm's metal sheet.

The utility model discloses following beneficial effect has:

along with the WIFI wireless network gradually becomes the indispensable part of daily work life, people also have higher and higher performance requirements to WIFI equipment, therefore the WIFI antenna that covers on a large scale, high gain just becomes the key factor of communication technology development, for this reason the utility model provides a miniaturized dual polarization panel WIFI antenna, this antenna carries out square arrangement formation antenna array through 16 radiation oscillator, and gain is high, and the gain of central frequency department can reach 19.5dBi, and radiation directivity is strong, is favorable to the high-efficient coverage to the hot spot region, and four horizontal four vertical arrangements also are favorable to the distribution of feed network; and this WIFI antenna section is low, is favorable to the miniaturization of antenna, conveniently installs in narrow space, consequently can integrate on various platforms very easily.

The horizontal feed network and the vertical feed network adopt an air microstrip line structure, so that the wiring is flexible, and the antenna is favorable for realizing low standing wave ratio and high isolation. Meanwhile, the radiation oscillator and the feed network are integrally punched from a metal plate, so that the antenna is simple to process and manufacture, low in production cost and relatively stable in antenna performance.

Drawings

Fig. 1 is a plan view of the whole miniaturized dual-polarized planar WIFI antenna, wherein the direction-guiding plate is shown in a perspective manner;

fig. 2 is a plan structure view of a single radiating element feed in the miniaturized dual-polarized planar WIFI antenna of the present invention;

fig. 3 is the utility model discloses miniaturized dual polarization flat panel WIFI antenna actual measurement standing wave ratio and isolation curve graph.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present embodiment provides a miniaturized dual-polarized planar WIFI antenna, which includes a metal reflection plate 1, an antenna array, a guiding plate 3 and a feeding network 4.

The antenna array comprises 16 radiation oscillators 2, and all the radiation oscillators 2 are arranged in a square shape according to four transverse directions and four longitudinal directions. The radiating oscillator 2 is a square metal plate with the thickness of about 1mm, the length of each side of the radiating oscillator is 0.44 central frequency wavelength, and the designed length can ensure that the standing-wave ratio of the antenna is better. More preferably, the distances between two adjacent radiating elements 2 are equal, and the center distance is 0.88 center frequency wavelengths, and less than 1 center frequency wavelength can make the antenna have smaller side lobes, reduce interference, and facilitate realization of same-frequency multiplexing.

Further, each of the radiation elements 2 is provided with a horizontal feeder line 21 and a vertical feeder line 22; the horizontal feed lines 21 of all the radiating oscillators 2 are connected with direct feed through a horizontal feed network 41 to form horizontal polarization; the vertical feed lines 22 of all the radiating elements 2 are connected with direct feed through a vertical feed network 42 to form vertical polarization, so that a dual-polarized antenna with horizontal polarization and vertical polarization is formed; the horizontal feed network 41, the vertical feed network 42 and the radiating oscillator 2 are integrally formed by punching the same metal plate (preferably but not limited to an aluminum plate), and then are fixed at a certain distance above the metal reflecting plate 1 through insulating glue columns, so that the antenna is simple to process and manufacture, low in production cost, convenient to install and relatively stable in antenna performance.

Each of the radiating oscillators 2 is provided with the guiding sheet 3, and preferably, the guiding sheet 3 is fixed above the radiating oscillator 2 by an insulating column 31 at a certain distance. Furthermore, the guiding sheet 3 is a circular metal plate with a thickness of 1mm, and the diameter of the circular metal plate is 0.46 central frequency wavelength, so that the design has a good adjusting effect on the standing wave ratio of the antenna, and meanwhile, the radiation direction can be converged and concentrated more.

Preferably, the horizontal feed network 41 and the vertical feed network 42 both adopt an air microstrip line structure, which not only is flexible in routing, but also is beneficial to the antenna to realize low standing-wave ratio and high isolation.

The metal reflecting plate 1 is a metal plate with the thickness of 2mm, can be of other thicknesses, and can also be made of other metal materials.

The utility model discloses following beneficial effect has:

the utility model provides a miniaturized double polarization panel WIFI antenna, this antenna carries out the square arrangement through 16 radiation oscillator and arranges the array and become the antenna array, and the gain is high, and the gain of central frequency department can reach 19.5dBi, and the radiation directionality is strong, is favorable to the high-efficient cover to the hot spot region, and four horizontal four vertical arrangements also are favorable to the distribution of feed network; and this WIFI antenna section is low, is favorable to the miniaturization of antenna, conveniently installs in narrow space, consequently can integrate on various platforms very easily.

As shown in fig. 3, the utility model discloses dull and stereotyped WIFI antenna's standing-wave ratio is little, the isolation is high, simultaneously because radiation oscillator and feed network are formed through integrative punching press preparation, therefore antenna performance is also more stable.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The utility model provides a miniaturized dual polarization panel WIFI antenna which characterized in that, it includes:

a metal reflective plate;

a plurality of guide pieces, each guide piece is arranged above each radiating oscillator through an insulating column;

2. The miniaturized dual-polarized planar WIFI antenna of claim 1, wherein the horizontal feed network, the vertical feed network and the radiating element are integrally formed in a punch forming mode.

3. The miniaturized dual-polarized planar WIFI antenna of claim 2, wherein the radiating element is a square metal plate with a thickness of 1 mm.

4. The miniaturized dual-polarized planar WIFI antenna of claim 3, wherein each side of the radiating element is 0.44 center frequency wavelengths long.

5. The miniaturized dual-polarized planar WIFI antenna according to any one of claims 1 to 4, wherein the distance between two adjacent radiating elements is equal and the center distance is 0.88 center frequency wavelengths.

6. The miniaturized dual-polarized planar WIFI antenna of claim 1, wherein the guiding sheet is a circular metal plate with a thickness of 1 mm.

7. The miniaturized dual-polarized planar WIFI antenna of claim 6, wherein the diameter of the said director sheet is of the size of 0.46 center frequency wavelengths.

8. The miniaturized dual-polarized planar WIFI antenna of claim 1, wherein the horizontal feed network and the vertical feed network both adopt an air microstrip line structure.

9. The miniaturized dual-polarized planar WIFI antenna of claim 1, wherein the metal reflector is a metal plate with a thickness of 2 mm.