Image transmission antenna

Abstract

The utility model discloses an image transmission antenna, comprising a connecting rod and an antenna assembly, wherein the connecting rod has a first end and a second end; the antenna assembly comprises a first antenna and a second antenna, both of which are PCB antennas, the first antenna is connected to the first end, and the second antenna is circumferentially wrapped around the edge of the first antenna. The technical solution of the utility model can achieve a larger signal coverage range in both horizontal and vertical directions, and the signal coverage effect is relatively good.

Description

Technical Field

[0001] The utility model relates to the technical field of antennas, and in particular to an image transmission antenna. Background Art

[0002] Image transmission antenna refers to an antenna used in a wireless video transmission system. These antennas are used to send and receive video signals, and usually operate in a specific radio frequency band, such as the 2.4GHz or 5.8GHz band. Existing image transmission antennas usually use metal vibrators to send signals. For example, the patent with application number CN201821507143.1 discloses an antenna assembly, an image transmission antenna, and a drone, including a first circularly polarized antenna unit and a second circularly polarized antenna unit arranged at intervals. The first circularly polarized antenna unit and the second circularly polarized antenna unit are arranged in opposite directions and form opposite rotation directions. During the use of this type of antenna, it is usually the case that the signal coverage range is larger and farther in the horizontal direction, while the signal coverage is weaker and the distance is shorter in the vertical direction. Utility Model Content

[0003] The main purpose of the utility model is to provide an image transmission antenna, which can achieve a larger signal coverage range in both horizontal and vertical directions and has a better signal coverage effect.

[0004] In order to achieve the above-mentioned purpose, the utility model proposes an image transmission antenna, comprising:

[0005] a connecting rod having a first end and a second end;

[0006] The antenna assembly includes a first antenna and a second antenna, both of which are PCB antennas. The first antenna is connected to the first end, and the second antenna is circumferentially wrapped around the edge of the first antenna.

[0007] In an embodiment of the present invention, a first fixing portion is disposed on the circumference of the edge of the first antenna, and a second fixing portion is correspondingly disposed on the surface of the second antenna, and the first fixing portion and the second fixing portion are connected and fixed to each other.

[0008] In an embodiment of the present invention, the first antenna is circular and is disposed perpendicular to the connecting rod.

[0009] In an embodiment of the present invention, the second antenna is a flexible PCB antenna.

[0010] In an embodiment of the present invention, a protective shell is further provided at the first end to cover the first antenna and the second antenna in the protective shell.

[0011] In an embodiment of the present invention, the second end is provided with a mounting portion.

[0012] The technical solution of the utility model is to set up an antenna assembly consisting of a first antenna and a second antenna. The first antenna can be placed on one side or both sides of the PCB board to send signals in a direction perpendicular to the horizontal plane. One side of the second antenna surrounds the edge of the first antenna and covers the first antenna, while the other side is provided with an antenna to send signals in all directions in the horizontal plane. The first antenna and the second antenna respectively take into account the signal coverage in the horizontal direction and the vertical direction, so that the image transmission antenna will not have a situation where the signal coverage in a certain direction is weak and the signal transmission distance is short, which can effectively improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0014] Figure 1 This is an exploded diagram of the image transmission antenna of the utility model;

[0015] Figure 2 It is a cross-sectional view of the image transmission antenna of the utility model;

[0016] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0017] Figure 4 The figure is a schematic diagram of the external structure of the image transmission antenna of the utility model.

[0018] Description of Figure Numbers:

[0019] 1. Connecting rod; 2. First end; 21. Protective shell; 3. Second end; 31. Mounting part; 4. Antenna assembly; 5. First antenna; 51. First fixing part; 6. Second antenna; 61. Second fixing part.

[0020] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0022] Reference Figures 1 to 4The utility model proposes an image transmission antenna, including a connecting rod 1 and an antenna assembly 4, the connecting rod 1 has a first end 2 and a second end 3; the antenna assembly 4 includes a first antenna 5 and a second antenna 6, and both are PCB antennas, the first antenna 5 is connected to the first end 2, and the second antenna 6 is circumferentially wrapped around the edge of the first antenna 5.

[0023] It can be understood that the first antenna 5 and the second antenna 6 together constitute the antenna assembly 4. The first antenna 5 and the second antenna 6 are both PCB antennas, that is, antennas arranged on a printed circuit board. Such antennas use traces as their conductive elements. Compared with the external connection method, the antenna forms a part of the circuit board. The first antenna 5 can be placed on one side of the PCB board or on both sides to send signals in a direction perpendicular to the horizontal plane. One side of the second antenna 6 surrounds the edge of the first antenna 5 to form a cylindrical structure, which covers the first antenna 5, and the other side is provided with an antenna, which can send signals to all directions in the horizontal plane. Compared with the traditional image transmission antenna made of metal vibrators, this embodiment has the advantages of simple structure, convenient assembly, light weight, small size, etc., and is very suitable for installation on equipment such as drones and survey vehicles; and the first antenna 5 and the second antenna 6 respectively take into account the signal coverage in the horizontal direction and the vertical direction, so that the image transmission antenna will not have a situation where the signal coverage is weak in a certain direction and the signal transmission distance is short, which can effectively improve the work efficiency.

[0024] Reference Figure 1 In one embodiment of the present application, a first fixing portion 51 is circumferentially provided on the edge of the first antenna 5, and a second fixing portion 61 is correspondingly provided on the surface of the second antenna 6. The first fixing portion 51 and the second fixing portion 61 are connected and fixed to each other.

[0025] It can be understood that in this example, the first fixing part 51 is a convex columnar structure, and the second fixing part 61 is a socket-like structure. The two are plugged together and welded by soldering, so that the connection between the first antenna 5 and the second antenna 6 is relatively firm. In addition to the above connection method, the first antenna 5 and the second antenna 6 can also be connected by glue, slots, etc., so that the signal emitting surfaces of the first antenna 5 and the second antenna 6 remain vertical to maintain a more comprehensive signal coverage range.

[0026] Reference Figures 1 to 3 In one embodiment of the present application, the first antenna 5 is circular and is arranged vertically to the connecting rod 1.

[0027] It can be understood that since the connecting rod 1 is usually installed vertically on equipment such as drones and survey vehicles, the first antenna 5 and the connecting rod 1 are perpendicular to each other, which can ensure that the first antenna 5 sends signals in the vertical direction, and at the same time ensure that the second antenna 6 sends signals omnidirectionally in all directions on the horizontal plane; the first antenna 5 is circular, so that the second antenna 6 wrapped around its edge also forms a cylindrical structure, which can evenly send signals in all directions, forming a larger and more uniform signal coverage range.

[0028] Reference Figures 1 to 3 In one embodiment of the present application, the second antenna 6 is a flexible PCB antenna.

[0029] It can be understood that since the second antenna 6 needs to be wrapped around the edge of the first antenna 5, using a flexible PCB to make the second antenna 6 will undoubtedly make it easier to bend, wrap, and perform other operations on it without damaging the integrated circuit on the PCB. In the process of connecting and fixing the first antenna 5 and the second antenna 6, it is only necessary to align the second fixing portion 61 on the cut second antenna 6 with the first fixing portion 51 for connection, so that the second antenna 6 can be wrapped around the edge of the first antenna 5, which is more convenient.

[0030] Reference Figures 1 to 4 In one embodiment of the present application, the first end 2 is further provided with a protective shell 21 to cover the first antenna 5 and the second antenna 6 in the protective shell 21 .

[0031] It can be understood that since relatively sophisticated circuits are integrated on the first antenna 5 and the second antenna 6, providing a protective shell 21 can effectively protect the two and prevent them from being damaged by collisions, scratches, etc., thereby extending the service life of the antenna; in this example, the protective shell 21 is composed of two detachable parts, which can be opened and closed more conveniently, so as to facilitate inspection or maintenance of the antenna assembly 4.

[0032] Reference Figures 1 to 2 In one embodiment of the present application, the second end 3 is provided with a mounting portion 31 .

[0033] It can be understood that the mounting portion 31 is used to fix the connecting rod 1 to an external device. The mounting portion 31 and the external device can be connected by threaded connection, snap connection, slot connection, etc. In this example, the mounting portion 31 is a threaded structure and can be fixed to the external device by threaded connection. The connection is relatively firm and easy to disassemble and assemble.

[0034] The technical solution of the utility model is to set an antenna assembly 4 composed of a first antenna 5 and a second antenna 6. The first antenna 5 can be placed on one side or both sides of the PCB board to send signals in a direction perpendicular to the horizontal plane. One side of the second antenna 6 surrounds the edge of the first antenna 5 to cover the first antenna 5, while the other side is placed with an antenna to send signals in all directions in the horizontal plane. The first antenna 5 and the second antenna 6 respectively take into account the signal coverage in the horizontal direction and the vertical direction, so that the image transmission antenna will not have a situation where the signal coverage in a certain direction is weak and the signal transmission distance is short, which can effectively improve the work efficiency.

[0035] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0036] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An image transmission antenna, characterized in that: include A connecting rod (1), the connecting rod (1) having a first end (2) and a second end (3); An antenna assembly (4), the antenna assembly (4) comprising a first antenna (5) and a second antenna (6), both of which are PCB antennas, the first antenna (5) being connected to the first end (2), and the second antenna (6) being circumferentially wrapped around the edge of the first antenna (5).

2. The image transmission antenna according to claim 1, characterized in that: A first fixing portion (51) is provided on the circumference of the edge of the first antenna (5), and a second fixing portion (61) is correspondingly provided on the surface of the second antenna (6); the first fixing portion (51) and the second fixing portion (61) are connected and fixed to each other.

3. The image transmission antenna according to claim 2, characterized in that: The first antenna (5) is circular and is arranged perpendicular to the connecting rod (1).

4. The image transmission antenna according to claim 1, characterized in that: The second antenna (6) is a flexible PCB antenna.

5. The image transmission antenna according to claim 1, characterized in that: The first end (2) is also provided with a protective shell (21) so as to enclose the first antenna (5) and the second antenna (6) in the protective shell (21).

6. The image transmission antenna according to any one of claims 1 to 5, characterized in that: The second end (3) is provided with a mounting portion (31).

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