High-gain dual-frequency dual-polarization panel directional array WIFI antenna

Abstract

The utility model discloses a high-gain dual-frequency dual-polarization flat directional array WIFI antenna, and belongs to the technical field of WIFI antennas. A high-gain dual-frequency dual-polarization flat directional array WIFI antenna comprises a PCB base material and further comprises the PCB base material which is installed above a reflection bottom plate through a connecting part, a first dual-frequency antenna array and a second dual-frequency antenna array are arranged on the two sides of the top of the PCB base material respectively, and the first dual-frequency antenna array and the second dual-frequency antenna array are arranged on the two sides of the top of the PCB base material respectively. The polarization direction of the first dual-frequency antenna array and the polarization direction of the second dual-frequency antenna array form an angle of 90 degrees. The two groups of oscillator connecting lines are arranged on two sides of the top of the PCB substrate and are respectively used for connecting a first dual-frequency antenna array and a second dual-frequency antenna array; the antenna provided by the utility model has the advantages of high gain, strong performance, easy assembly and the like, so that the performance effect of the antenna is not easy to reduce due to some adverse factors in use scenes, and the use requirements of people can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of WIFI antennas, and in particular to a high-gain dual-frequency dual-polarization flat-plate directional array WIFI antenna. Background Art

[0002] A WIFI antenna is a device that is mainly used to enhance wireless network signals. It is divided into two types: built-in and external. The external one is generally used in products such as wireless routers, and the built-in one is used in products such as mobile phones and mobile computers. At present, the latest WIFI6E technology is about to become popular, and WIFI7 has also formulated relevant specifications.

[0003] At present, the latest WIFI6E technology is about to become popular, and WIFI7 has also formulated relevant specifications. During the use of traditional WIFI antenna equipment, its performance is easily reduced due to some factors in the use scenario, such as: the placement of the equipment, interference from surrounding wireless signals, and excessively thick walls, etc. These factors will easily cause the antenna signal to attenuate, affecting the antenna's performance, and thus failing to meet people's usage needs. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the WIFI antenna in the prior art is easily degraded in performance due to some factors in the usage scenario, thereby failing to meet people's usage needs, and a high-gain dual-frequency dual-polarization flat-panel directional array WIFI antenna is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A high-gain dual-frequency dual-polarization flat-panel directional array WIFI antenna comprises a PCB substrate, and also comprises: a reflective base plate, which is installed below the PCB substrate through a connecting portion, wherein a first dual-frequency antenna array and a second dual-frequency antenna array are respectively arranged on both sides of the top of the PCB substrate, and the polarization directions of the first dual-frequency antenna array and the second dual-frequency antenna array are 90°; two groups of array connection lines are arranged on both sides of the top of the PCB substrate, and are respectively used to connect the first dual-frequency antenna array and the second dual-frequency antenna array; a power divider is installed at the bottom of the reflective base plate, wherein one end of the radio frequency line conductor of the first dual-frequency antenna array and the second dual-frequency antenna array are both connected to the power divider.

[0007] In order to quickly assemble the PCB substrate and the reflective base plate, preferably, the connecting part includes a plurality of mounting tubes and bolts, the bottom end of the mounting tube is fixedly connected to the top of the reflective base plate, a plurality of mounting holes are opened through the PCB substrate, the bolts longitudinally pass through the mounting holes and are connected to the internal threads of the mounting tubes, and the PCB substrate is tightly clamped between the top end of the mounting tube and the nut of the bolt.

[0008] In order to avoid performance deviation, preferably, the distance between the PCB substrate and the reflective base plate is fixed and the two are kept parallel.

[0009] In order to protect the PCB substrate, further, a plurality of protective pads are fixedly connected to the upper and lower sides of the PCB substrate, the protective pads correspond to the hole positions of the mounting holes, and the mounting tubes and bolts are in contact with the upper and lower surfaces of the protective pads respectively.

[0010] In order to make the connection between the PCB substrate and the reflective bottom plate more stable, further, the number of the mounting holes, mounting tubes and bolts is four, and they are respectively arranged in a rectangular shape on the PCB substrate and the reflective bottom plate.

[0011] In order to reduce production costs, preferably, the reflective bottom plate is made of aluminum and has a thickness of 1.5 mm-2 mm.

[0012] In order to improve the performance of the antenna, further, the number of the first dual-frequency antenna array and the second dual-frequency antenna array are both four pairs, and they are arrayed in a 2×2 manner on the PCB substrate.

[0013] Compared with the prior art, the utility model provides a high-gain dual-frequency dual-polarization flat directional array WIFI antenna, which has the following beneficial effects:

[0014] 1. The high-gain dual-band dual-polarization flat-panel directional array WIFI antenna makes the polarization directions of the first dual-band antenna array and the second dual-band antenna array 90° through the placement of the lines, so that the entire antenna has two polarization directions, vertical and horizontal, and can support multiple communication systems at the same time, improving the flexibility and compatibility of communication. When the signal transmission is interfered, the vertical and horizontal polarization directions can provide complementary communication paths to increase the reliability of signal transmission.

[0015] 2. The high-gain dual-band dual-polarization flat-panel directional array WIFI antenna can partially radiate the first dual-band antenna array and the second dual-band antenna array through the reflective bottom plate, thereby increasing the gain of the radiation surface. Compared with traditional WIFI antennas, this WIFI antenna has the advantages of high gain, strong performance and easy assembly, so that the antenna is not easily reduced in performance due to some adverse factors in the use scenario, thereby meeting people's use needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the axonometric structure of a high-gain dual-frequency dual-polarization flat directional array WIFI antenna proposed in the utility model;

[0017] Figure 2 This is a schematic diagram of the reflective bottom plate structure of a high-gain dual-frequency dual-polarization flat directional array WIFI antenna proposed by the utility model;

[0018] Figure 3 This is an exploded diagram of a high-gain dual-frequency dual-polarization flat-panel directional array WIFI antenna proposed in the utility model;

[0019] Figure 4 This is a schematic diagram of the PCB substrate structure of a high-gain dual-frequency dual-polarization flat-panel directional array WIFI antenna proposed in the utility model.

[0020] In the figure: 1. PCB substrate; 2. Reflective bottom plate; 3. First dual-band antenna array; 4. Second dual-band antenna array; 5. Array connection line; 6. Mounting hole; 61. Mounting tube; 62. Bolt; 7. Power divider; 8. Protective pad. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] Example:

[0024] Reference Figure 1-Figure 4The embodiment of the utility model provides a high-gain dual-frequency dual-polarization flat directional array WIFI antenna, including a PCB substrate 1, and also includes: a reflective bottom plate 2, which is installed below the PCB substrate 1 through a connecting portion, wherein a first dual-frequency antenna array 3 and a second dual-frequency antenna array 4 are respectively arranged on both sides of the top of the PCB substrate 1, and the two have the same structure, and the polarization directions of the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4 are 90°, so that the entire antenna has two polarization directions of vertical and horizontal; two groups of array connection lines 5 are arranged on both sides of the top of the PCB substrate 1, respectively used to connect the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4, and through the resistor The anti-transformer maintains an output impedance of 50Ω at the output end; the power divider 7 is installed at the bottom of the reflective base plate 2, wherein one end of the RF line conductor of the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4 are both connected to the power divider 7, the upper RF line conductor is connected to the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4, the RF line grounding braided layer of the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4 is connected to the lower layer of the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4, one end of the lower RF line conductor of the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4 is connected to the power divider 7, and the other end is connected to an external device, which is not limited to SMA, IPEX connectors or welding, etc.

[0025] Specifically, when in use, the PCB substrate 1 can be fixedly installed above the reflective base plate 2 by rotating the bolt 62, thereby facilitating the rapid assembly of the WIFI antenna, and the polarization directions of the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4 are made 90° by the placement of the lines, so that the entire antenna has two polarization directions, vertical and horizontal, and can support multiple communication systems at the same time, thereby improving the flexibility and compatibility of communication. When the signal transmission is interfered with, the vertical and horizontal polarization directions can provide complementary communication paths to increase the reliability of signal transmission, and the reflective base plate 2 can be used to partially radiate the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4, thereby increasing the gain of the radiation surface.

[0026] The connecting portion includes a plurality of mounting tubes 61 and bolts 62. The bottom end of the mounting tube 61 is fixedly connected to the top of the reflective base plate 2. A plurality of mounting holes 6 are provided through the PCB substrate 1. The bolts 62 longitudinally pass through the mounting holes 6 and are connected to the internal threads of the mounting tube 61. The PCB substrate 1 is tightly clamped between the top end of the mounting tube 61 and the nut of the bolt 62.

[0027] Specifically, when in use, first place the PCB substrate 1 on the mounting tube 61 on the top of the reflective base plate 2, align the mounting hole 6 with the screw hole of the mounting tube 61, then pass the bolt 62 through the mounting tube 61 and insert it into the interior of the mounting tube 61, and fix the PCB substrate 1 on the top of the reflective base plate 2 by rotating the bolt 62, which can facilitate the installation and fixation of the PCB substrate 1 and the reflective base plate 2, and the operation is simple, thereby facilitating the rapid assembly of the WIFI antenna.

[0028] The distance between the PCB substrate 1 and the reflective bottom plate 2 is fixed, and the two are kept parallel.

[0029] Specifically, such a design can ensure the stability of the antenna and avoid performance deviation.

[0030] A plurality of protective pads 8 are fixedly connected to both upper and lower sides of the PCB substrate 1 . The protective pads 8 correspond to the positions of the mounting holes 6 . The mounting tubes 61 and the bolts 62 are in contact with the upper and lower surfaces of the protective pads 8 , respectively.

[0031] Specifically, by providing the protection pad 8 , the PCB substrate 1 can be protected to prevent its surface from being crushed by the bolts 62 .

[0032] The number of the mounting holes 6 , the mounting tubes 61 and the bolts 62 are all four, and they are arranged in a rectangular shape on the PCB substrate 1 and the reflective bottom plate 2 .

[0033] Specifically, such a design can improve the stability of the PCB substrate 1 and the reflective bottom plate 2, so that the connection between the PCB substrate 1 and the reflective bottom plate 2 is more stable.

[0034] The reflective bottom plate 2 is made of aluminum and has a thickness of 1.5 mm to 2 mm.

[0035] Specifically, by adopting aluminum material, it has the advantages of easy material acquisition, convenient processing, strong reflection and low production cost.

[0036] The number of the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4 are both four pairs, and they are arrayed on the PCB substrate 1 in a 2×2 manner.

[0037] Specifically, such a design can improve the stability and compatibility of signal transmission, thereby further improving the performance of the antenna.

[0038] Working principle: During the use of this high-gain dual-band dual-polarization flat-panel directional array WIFI antenna, first place the PCB substrate 1 on the mounting tube 61 on the top of the reflective base plate 2, align the mounting holes 6 on the PCB substrate 1, the protective pad 8 and the screw holes of the mounting tube 61, then pass the bolt 62 through the mounting tube 61 and insert it into the inside of the mounting tube 61, and fix the PCB substrate 1 on the top of the reflective base plate 2 by rotating the bolt 62, which can facilitate the installation and fixation of the PCB substrate 1 and the reflective base plate 2, and the operation is simple, so as to facilitate the rapid assembly of the WIFI antenna, and through the arrangement of the lines, the polarization directions of the first dual-band antenna array 3 and the second dual-band antenna array 4 are 90°, so that the entire antenna has both vertical and horizontal Polarization directions can support multiple communication systems at the same time, improve the flexibility and compatibility of communication, and when the signal transmission is interfered, the vertical and horizontal polarization directions can provide complementary communication paths to increase the reliability of signal transmission, and the reflective bottom plate 2 can partially radiate the first dual-frequency antenna array 3 and the second dual-frequency antenna array 4 to increase the gain of the radiation surface. The WIFI antenna has the advantages of high gain, strong performance and easy assembly, so that the antenna is not easily reduced in performance due to some adverse factors in the use scenario, thereby meeting people's use needs, and solves the problem that the WIFI antenna in the prior art is easily reduced in performance due to some factors in the use scenario, thereby failing to meet people's use needs.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-gain dual-frequency dual-polarization planar directional array WIFI antenna, comprising a PCB substrate (1), characterized in that: Also includes: A reflective bottom plate (2) is installed below the PCB substrate (1) via a connecting portion. Wherein, a first dual-frequency antenna array (3) and a second dual-frequency antenna array (4) are respectively arranged on both sides of the top of the PCB substrate (1), and the polarization directions of the first dual-frequency antenna array (3) and the second dual-frequency antenna array (4) are 90°; Two groups of array connection lines (5) are arranged on both sides of the top of the PCB substrate (1), and are used to connect the first dual-frequency antenna array (3) and the second dual-frequency antenna array (4) respectively; A power divider (7) is installed at the bottom of the reflective bottom plate (2). Wherein, one end of the radio frequency line conductor of the first dual-frequency antenna array (3) and the second dual-frequency antenna array (4) are both connected to the power divider (7).

2. The high-gain dual-frequency dual-polarization flat-panel directional array WIFI antenna according to claim 1, characterized in that: The connecting portion comprises a plurality of mounting tubes (61) and bolts (62); the bottom ends of the mounting tubes (61) are fixedly connected to the top of the reflective base plate (2); a plurality of mounting holes (6) are provided through the PCB substrate (1); the bolts (62) longitudinally pass through the mounting holes (6) and are connected to the internal threads of the mounting tubes (61); and the PCB substrate (1) is tightly clamped between the top ends of the mounting tubes (61) and the nuts of the bolts (62).

3. The high-gain dual-frequency dual-polarization flat directional array WIFI antenna according to claim 1, characterized in that: The distance between the PCB substrate (1) and the reflective bottom plate (2) is fixed, and the two remain parallel.

4. The high-gain dual-frequency dual-polarization flat directional array WIFI antenna according to claim 2, characterized in that: A plurality of protective pads (8) are fixedly connected to both the upper and lower sides of the PCB substrate (1); the protective pads (8) correspond to the hole positions of the mounting holes (6); and the mounting tubes (61) and bolts (62) are in contact with the upper and lower surfaces of the protective pads (8), respectively.

5. The high-gain dual-frequency dual-polarization planar directional array WIFI antenna according to claim 2, characterized in that: The number of the mounting holes (6), mounting tubes (61) and bolts (62) is four each, and they are arranged in a rectangular shape on the PCB substrate (1) and the reflective bottom plate (2).

6. The high-gain dual-frequency dual-polarization flat-panel directional array WIFI antenna according to claim 1, characterized in that: The reflective bottom plate (2) is made of aluminum and has a thickness of 1.5 mm to 2 mm.

7. The high-gain dual-frequency dual-polarization planar directional array WIFI antenna according to claim 1, characterized in that: The number of the first dual-frequency antenna array (3) and the second dual-frequency antenna array (4) are both four pairs, and they are arrayed on the PCB substrate (1) in a 2×2 manner.

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