Four-port omnidirectional antenna

Abstract

The utility model provides a four-port omnidirectional antenna. The four-port omnidirectional antenna comprises an aluminum base; the waterproof joint is screwed into the corresponding threaded mounting hole of the aluminum base; the number of the cables is four, and every two cables penetrate through one waterproof connector; the printed board comprises a first area, a second area, a third area and a fourth area, and the first area, the second area and the fourth area are printed with first oscillators; cable cores of the four cables penetrate through the preformed holes in the first area, the second area, the third area and the fourth area of the printed board respectively, and the cable cores of the cables, the cable net and the printed board are welded together through electric soldering iron and soldering tin; and the glass fiber reinforced plastic outer cover is embedded into the aluminum base and then covers the cable and the printed board. According to the antenna provided by the utility model, electrical performance indexes such as standing wave, intermodulation, gain and the like of the four output ports within the frequency band width of 698-4000 mega can meet design requirements and use requirements in a relatively small volume, so that omnidirectional communication of high-frequency band width and low-frequency band width can be realized on the same antenna, the structure is simple, and the cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of antennas, in particular to a four-port omnidirectional antenna. Background Art

[0002] An omnidirectional antenna is a type of antenna in a mobile communication system. The omnidirectional antenna transmits and receives electromagnetic waves without directionality and can radiate evenly in 360°, which means that the communication is non-directional and has a wide range of applications.

[0003] However, current omnidirectional antennas have problems such as narrow communication range, few communication ports, and inability to take into account communication performance at different frequency bandwidths.

[0004] In the related art, in order to realize communications with different frequency bandwidths, the high-frequency bandwidth and low-frequency bandwidth communications are generally separated into different antennas, which is costly and takes up space. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a four-port omnidirectional antenna.

[0006] The technical solution adopted by the utility model is as follows:

[0007] The utility model proposes a four-port omnidirectional antenna, comprising: an aluminum base; a waterproof connector, the waterproof connector comprising two, each of the waterproof connectors being screwed into a threaded mounting hole corresponding to the aluminum base; a cable, the cables comprising four, and every two cables passing through one waterproof connector; a printed circuit board, the printed circuit board comprising first to fourth areas, the first to fourth areas being respectively printed with first to fourth oscillators; the cable cores of the four cables respectively passing through the reserved holes on the first to fourth areas of the printed circuit board, and the cable cores, the cable net and the printed circuit board being welded together by using an electric soldering iron and solder; and a glass fiber reinforced plastic outer cover, the glass fiber reinforced plastic outer cover being embedded in the aluminum base and then covering the outside of the cables and the printed circuit board.

[0008] The above-mentioned four-port omnidirectional antenna of the utility model also has the following additional technical features:

[0009] Specifically, the above-mentioned four-port omnidirectional antenna also includes: a sponge, which is arranged between the printed circuit board and the cable, and is fixed to the sponge, the cable and the printed circuit board by using black tape.

[0010] Furthermore, the distance between each vibrator welding point of the first to fourth vibrators is 169 mm.

[0011] Specifically, the vibrator grounding feeding lines of the first to fourth vibrators are in the shape of a trapezoid with a height of 71 mm, a width of 6 mm at the grounding end, and a width of 2 mm at the end connected to the vibrator.

[0012] Specifically, the size of the four-port omnidirectional antenna is less than or equal to

[0013] Beneficial effects of the utility model:

[0014] The antenna of the utility model can make the electrical performance indicators such as standing wave, intermodulation and gain of the four output ports in a frequency bandwidth of 698-4000 MHz meet the design requirements and meet the use requirements in a relatively small volume, so that omnidirectional communication in high frequency bandwidth and low frequency bandwidth can be realized on the same antenna, and the output ports are numerous, providing more communication channels, and the structure is simple and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an exploded view of a four-port omnidirectional antenna according to an embodiment of the utility model;

[0016] Figure 2 is an assembly diagram of a four-port omnidirectional antenna according to an embodiment of the utility model;

[0017] Figure 3 It is a schematic diagram of welding a printed circuit board and a cable according to an embodiment of the utility model;

[0018] Figure 4 It is a structural schematic diagram of an aluminum base according to an embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of a vibrator of a printed circuit board according to an embodiment of the utility model;

[0020] Figure 6 It is a structural schematic diagram of a vibrator grounding feeder circuit according to an embodiment of the utility model. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-6 The four-port omnidirectional antenna of the utility model comprises: an aluminum base 1, a waterproof connector 2, a cable 3, a printed circuit board 4 and a glass fiber reinforced plastic outer cover 5.

[0023] The waterproof connectors 2 include two, each of which is screwed into the corresponding threaded mounting hole of the aluminum base 1 (see Figure 4); the cables 3 include 4 cables, and every 2 cables 3 pass through a waterproof connector 2; the printed circuit board 4 includes the first to fourth areas (i.e. Figure 3 and Figure 5 The first to fourth vibrators are printed in the first to fourth areas (A, B, C and D), respectively; the cable cores of the four cables 3 pass through the reserved holes on the first to fourth areas of the printed circuit board 4, respectively, and the cable cores and cable nets of the cables 3 are welded together with the printed circuit board 4 using an electric soldering iron and solder; the fiberglass outer cover 5 is embedded in the aluminum base 1 and covers the outside of the cables and the printed circuit board 4.

[0024] Specifically, Figure 1 and 2 As shown, the aluminum base 1 and the cable 3 are fixed by an omnidirectional clamp 6, and the fiberglass outer cover 5 is embedded in the aluminum base 1 and covered by a top cover 7. Figure 3 and 5 As shown, the entire antenna consists of 4 groups of oscillators (the first to fourth oscillators) on A, B, C and D. The positions and sizes of the oscillators are as follows: Figure 5 As shown, the oscillators in each region are printed on both sides of the printed board 4. Figure 5 From top to bottom, the following are represented: a schematic diagram of the vibrator on the first side of the printed circuit board, a schematic diagram of the vibrator on the second side of the printed circuit board, and a perspective view of the vibrator on the printed circuit board. The first to fourth vibrators have the same structure, and each vibrator includes two parts, for example, Figure 5 As shown, for each vibrator, one part can be a 1710-4000MHz vibrator, which is shaped like an "H" with a broken horizontal bar. The size of its line is specially designed to make the directivity pattern and gain of the vibrator meet the design and use requirements while taking impedance matching into account; one part can be a 698-960MHz vibrator, which is shaped like an "H" with a concave shape between two vertical bars. The size of its line is also specially designed to make the directivity pattern and gain of the vibrator meet the design and use requirements while taking impedance matching into account.

[0025] like Figure 3 As shown, the cable cores of the four cables 3 pass through the reserved holes on the first to fourth areas of the printed board 4 respectively, and the cable cores and cable nets of the cables 3 are welded together with the printed board 4 using an electric soldering iron and solder. Figure 3 From left to right in the figure are the front view of the printed circuit board and cable welding, the side view of the printed circuit board and cable welding, and the back view of the printed circuit board and cable welding.

[0026] Therefore, the antenna of the utility model can make the electrical performance indicators such as standing wave, intermodulation, gain, etc. of the four output ports within a frequency bandwidth of 698-4000 MHz meet the design requirements and meet the use requirements in a smaller volume, so that omnidirectional communication in high frequency bandwidth and low frequency bandwidth can be achieved on the same antenna, and the output ports are numerous, providing more communication channels, and the structure is simple and the cost is low.

[0027] In the embodiment of the utility model, the distance between each of the welding points of the first to fourth oscillators can be 169 mm. This arrangement can make the antenna meet the design and use requirements of the radiation pattern and gain.

[0028] In the embodiment of the present utility model, see Figure 6 As shown, the vibrator grounding feeding lines L of the first to fourth vibrators may be in the shape of a trapezoid with a height of 71 mm, a width of 6 mm at the grounding end, and a width of 2 mm at the end connected to the vibrator.

[0029] In the present invention, the above-mentioned omnidirectional antenna may further include: a sponge, which is arranged between the printed board 4 and the cable 3, and is fixed to the sponge, the cable 3 and the printed board 4 by using black tape. The black tape is used to fix the custom-sized sponge, and its main functions are: fixing the distance between the cable 3 and the printed board 4; and fixing the position of the printed board 4 in the glass fiber reinforced plastic cover 5 after the glass fiber reinforced plastic cover 5 is installed.

[0030] The four-port omnidirectional antenna of the embodiment of the utility model has a size less than or equal to

[0031] To sum up, according to the four-port omnidirectional antenna of the embodiment of the utility model, the electrical performance indicators such as standing wave, intermodulation, gain, etc. of the four output ports in a smaller volume can meet the design requirements and satisfy the use requirements within the frequency bandwidth of 698-4000 MHz, thereby achieving omnidirectional communication in high frequency bandwidth and low frequency bandwidth on the same antenna, and the plurality of output ports provides more communication channels, and the structure is simple and the cost is low.

[0032] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0035] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A four-port omnidirectional antenna, characterized in that: include: Aluminum base; Waterproof connectors, including two, each of which is screwed into a threaded mounting hole corresponding to the aluminum base; Cables, the cables comprising 4 cables, with every 2 cables passing through a waterproof connector; A printed circuit board, the printed circuit board comprising first to fourth regions, the first to fourth regions being respectively printed with first to fourth vibrators; The cable cores of the four cables are passed through the reserved holes on the first to fourth areas of the printed circuit board respectively, and the cable cores, the cable net and the printed circuit board are welded together using an electric soldering iron and solder; A glass fiber reinforced plastic outer cover is embedded in the aluminum base and covers the outside of the cable and the printed circuit board.

2. The four-port omnidirectional antenna according to claim 1, characterized in that: Also includes: The sponge is arranged between the printed board and the cable, and is fixed to the sponge, the cable and the printed board by a black tape.

3. The four-port omnidirectional antenna according to claim 1, characterized in that: The distance between each vibrator welding point in the first to fourth vibrators is 169 mm.

4. The four-port omnidirectional antenna according to claim 1, characterized in that: The vibrator grounding feeding circuits of the first to fourth vibrators are in the shape of a trapezoid with a height of 71 mm, a width of 6 mm at the grounding end, and a width of 2 mm at the end connected to the vibrator.

5. The four-port omnidirectional antenna according to claim 1, characterized in that: The size of the four-port omnidirectional antenna is less than or equal to

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