1710-2690 MHZ dual-polarized two-port omnidirectional antenna

Abstract

The utility model discloses a 1710-2690 MHZ dual-polarized two-port omnidirectional antenna, and relates to the technical field of antennas for communication. The omnidirectional antenna comprises an antenna base, a waterproof connector is arranged on the antenna base, one ends of two coaxial cables penetrate through the antenna base and then enter an outer cover of the omnidirectional antenna, a supporting rod is arranged in the outer cover, the lower end of the supporting rod is fixedly connected with the antenna base, and the waterproof connector is arranged on the antenna base. Six dual-polarized oscillators are fixed on the supporting rod at intervals, two one-to-two power dividers and four one-to-three power dividers are fixed on the supporting rod, and the dual-polarized oscillators, the one-to-three power dividers and the one-to-two power dividers are connected through coaxial cables. The omnidirectional antenna can effectively utilize antenna feeder site resources, and is small in size and simple in structure.

Description

Technical Field

[0001] The utility model relates to the technical field of communication antennas, in particular to a 1710-2690 MHz dual-polarization two-port omnidirectional antenna. Background Art

[0002] With the acceleration of urbanization, residential construction is becoming increasingly complex, and antenna changes are becoming increasingly important for cell signal coverage. With the widespread deployment of 4G and 5G networks, 4G and 5G signal coverage in various scenarios has been fully implemented. Base station antenna frequency bandwidths are becoming increasingly wider, placing increasing demands on antennas. Conventional antennas are generally single-polarized, single-port antennas, which cannot effectively utilize antenna feeder site resources. Furthermore, the oscillator structure in conventional antennas is generally large, making it difficult to miniaturize the antennas, resulting in certain inconveniences. Utility Model Content

[0003] The technical problem to be solved by the utility model is how to provide a 1710-2690 MHz dual-polarization two-port omnidirectional antenna which can effectively utilize antenna feed site resources and has a small size and a simple structure.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna, including an antenna base, a waterproof connector is provided on the antenna base, one end of two coaxial cables passes through the antenna base and enters the outer cover of the omnidirectional antenna, a support rod is provided in the outer cover, the lower end of the support rod is fixedly connected to the antenna base, six dual-polarization vibrators are fixed on the support rod at intervals, two one-to-two power splitters and four one-to-three power splitters are fixed on the support rod, wherein every two one-to-two power splitters form a group, and every two one-to-three power splitters form a group, one end of the first coaxial cable is connected to the first one-to-two power splitter. The input end of the first one-to-two power splitter is connected, the two output ends of the first one-to-three power splitter are respectively connected to the input end of the first one-to-three power splitter and the input end of the second one-to-three power splitter, the three output ends of the first one-to-three power splitter and the three output ends of the second one-to-three power splitter are respectively connected to one polarization direction connection end of the six dual-polarization oscillators, one end of the second coaxial cable is connected to the input end of the second one-to-two power splitter, the two output ends of the second one-to-two power splitter are respectively connected to the input end of the third one-to-three power splitter and the input end of the fourth one-to-three power splitter, the three output ends of the third one-to-three power splitter and the three output ends of the fourth one-to-three power splitter are respectively connected to another polarization direction connection end of the six dual-polarization oscillators.

[0005] A further technical solution is that: the dual-polarization vibrator includes a mounting base, four separate support columns are formed on the mounting base, a radiation plate is formed at the upper end of each support column, the four radiation plates are not in direct contact with each other, and a coaxial cable mounting groove is formed on the side of each support column. The first radiation plate and the third radiation plate are arranged diagonally, and the second radiation plate and the fourth radiation plate are arranged diagonally. After the upper end of the first coaxial cable passes through the coaxial cable mounting groove on the support column on the lower side of the first radiation plate, the core of the upper end of the first coaxial cable extends from the upper surface of the first radiation plate, and the third radiation plate is arranged diagonally. A first protrusion is formed on a corner of the radiation plate near the first radiation plate, and the core of the upper end of the first coaxial cable is connected to the first protrusion via a first connecting piece; the upper end of the second coaxial cable passes through the coaxial cable installation groove on the support column on the lower side of the second radiation plate, so that the core of the upper end of the second coaxial cable extends from the upper surface of the second radiation plate; a second protrusion is formed on the fourth radiation plate near the corner of the second radiation plate, and the core of the upper end of the second coaxial cable is connected to the second protrusion via a second connecting piece; the first connecting piece and the second connecting piece do not contact each other.

[0006] The beneficial effects of adopting the above technical solution are as follows: the omnidirectional antenna described in this application is a dual-port dual-polarization antenna that can better utilize antenna feed site resources; the omnidirectional antenna described in this application uses a dual-polarization vibrator. Since the vibrator adopts a cross-dual-polarization structure, it can be miniaturized in space. The main body of the dual-polarization vibrator, except for the coaxial cable, is made of aluminum alloy die-casting, which has high processing efficiency and good consistency. It also has a simple structure and low production cost. In addition, the antenna has a simple appearance and structure, low maintenance cost, and easy installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0008] Figure 1 Schematic diagram of the structure of the omnidirectional antenna according to an embodiment of the present invention;

[0009] Figure 2 Schematic diagram of the exploded structure of the omnidirectional antenna according to an embodiment of the present utility model;

[0010] Figure 3 It is a schematic structural diagram of a dual-polarized oscillator in the omnidirectional antenna according to an embodiment of the present utility model;

[0011] Figure 4 This is a schematic structural diagram of the dual-polarized oscillator in the omnidirectional antenna according to an embodiment of the present utility model after removing the connecting piece;

[0012] Figure 5This is a schematic structural diagram of the dual-polarized oscillator in the omnidirectional antenna according to an embodiment of the present utility model after the coaxial cable is removed;

[0013] Figure 6 This is a partially enlarged structural diagram of a dual-polarization oscillator in the omnidirectional antenna according to an embodiment of the present utility model;

[0014] Figure 7 This is a schematic structural diagram of the dual-polarized oscillator in the omnidirectional antenna according to an embodiment of the present utility model after the coaxial cable is removed;

[0015] Figure 8 It is a partial structural diagram of a dual-polarized oscillator in the omnidirectional antenna according to an embodiment of the present utility model;

[0016] Among them: 1. Mounting base; 2. Support column; 3. Second connecting piece; 4. Coaxial cable mounting slot; 5. First radiating plate; 6. Third radiating plate; 7. Second radiating plate; 8. Fourth radiating plate; 9. First coaxial cable; 10. Wire core; 11. First protrusion; 12. First connecting piece; 13. Second coaxial cable; 14. Second protrusion; 15. Fixing column; 16. Antenna base; 17. Waterproof connector; 18. Coaxial cable; 19. Outer cover; 20. Support rod; 21. Dual-polarization oscillator; 22. One-to-two power splitter; 23. One-to-three power splitter; 24. Top cover; 25. Top partition; 26. RF connector. DETAILED DESCRIPTION

[0017] The following is a clear and complete description of the technical solutions in the embodiments of the present invention, in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without creative work are within the scope of protection of the present invention.

[0018] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0019] like Figure 1-Figure 2As shown, an embodiment of the present invention discloses a 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna, comprising an antenna base 16, on which a waterproof connector 17 is provided, and the antenna base 16 is fixedly connected to the waterproof connector 17. One end of two coaxial cables 18 passes through the antenna base 16 and enters the outer cover 19 of the omnidirectional antenna. The lower ends of the two coaxial cables 18 are provided with a radio frequency connector 26, through which the omnidirectional antenna can be connected to a signal source. A support rod 20 is provided in the outer cover 19, and the lower end of the support rod 20 is fixedly connected to the antenna base 16. Six dual-polarization oscillators 21 are fixed at intervals on the support rod 20. Preferably, the six dual-polarization oscillators 21 are evenly spaced on the support rod. Two one-to-two power splitters 22 and four one-to-three power splitters 23 are fixed on the support rod 20, wherein two one-to-two power splitters 22 form a group, and two one-to-three power splitters 23 form a group.

[0020] One end of the first coaxial cable 9 is connected to the input end of the first one-to-two power splitter, and the two output ends of the first one-to-two power splitter are respectively connected to the input end of the first one-to-three power splitter and the input end of the second one-to-three power splitter. The three output ends of the first one-to-three power splitter and the three output ends of the second one-to-three power splitter are respectively connected to one polarization direction connection end of the six dual-polarization oscillators. One end of the second coaxial cable 13 is connected to the input end of the second one-to-two power splitter, and the two output ends of the second one-to-two power splitter are respectively connected to the input end of the third one-to-three power splitter and the input end of the fourth one-to-three power splitter. The three output ends of the third one-to-three power splitter and the three output ends of the fourth one-to-three power splitter are respectively connected to the other polarization direction connection end of the six dual-polarization oscillators (at Figure 2 The connection between the coaxial cable, the power divider, and the dual-polarization dipole is not shown).

[0021] Further, such as Figure 2 As shown, the omnidirectional antenna also includes a top cover 24 and a top partition 25. The top cover 24 closes the upper end opening of the outer cover 19. The upper end of the support rod 20 is fixedly connected to the top partition 25, and the top partition 25 is fixedly connected to the top cover 24. The lower end of the support rod 20 is fixedly connected to the antenna base 16 through the bottom partition.

[0022] Assembly Instructions: 1. First, secure the dual-polarization oscillator 21, the one-to-three power splitter 23, and the one-to-two power splitter 22 to the support rod 20 and connect them with a coaxial cable 18 to form the inner core assembly of the antenna. 2. Align the components described in the first step with the antenna base 16 and the top partition 25 to position and secure them. 3. Install the outer cover 19 and top cover 24 in place. Assembly is complete.

[0023] like Figure 3-Figure 8 As shown, the dual-polarization oscillator can emit electromagnetic waves with a frequency of 1710MHz-2690MHz, and can be used to cover the B1, B3, B34, B39, B40, B41, N1, and N41 frequency bands, including the 4G frequency bands of the three major operators: China Telecom, China Mobile, and China Unicom. The dual-polarization oscillator includes a mounting base 1, on which four separate support columns 2 are formed. A radiation plate is formed at the upper end of each support column 2. Preferably, the radiation plate is a square structure as a whole, but it can also be of other shapes. The four radiation plates are not in direct contact with each other, and the mounting base 1, support columns 2, and radiation plates can be integrally formed by aluminum alloy die-casting, which has high processing efficiency and good consistency. A coaxial cable installation groove 4 is formed on the side of each support column 2, the first radiation plate 5 and the third radiation plate 6 are arranged diagonally, and the second radiation plate 7 and the fourth radiation plate 8 are arranged diagonally, wherein the coaxial cable installation groove 4 located on the lower side of the first radiation plate 5 and the second radiation plate 7 passes through the first radiation plate 5 and the second radiation plate 7, and is used to allow the core of the corresponding coaxial cable to extend out of the corresponding radiation plate.

[0024] like Figure 4 and Figure 6 As shown, the upper end of the first coaxial cable 9 passes through the coaxial cable installation groove 4 on the support column on the lower side of the first radiant plate 5, so that the core 10 of the upper end of the first coaxial cable 9 protrudes from the upper surface of the first radiant plate 5; the third radiant plate 6 is formed with a first protrusion 11 near the corner of the first radiant plate 5, and the core 10 of the upper end of the first coaxial cable 9 and the first protrusion 11 are connected together by a first connecting piece 12; the upper end of the second coaxial cable 13 passes through the coaxial cable installation groove 4 on the support column 2 on the lower side of the second radiant plate 7, so that the core 10 of the upper end of the second coaxial cable 13 protrudes from the upper surface of the second radiant plate 7, and the fourth radiant plate 8 is formed with a second protrusion 14 near the corner of the second radiant plate 7, and the core 10 of the upper end of the second coaxial cable 13 and the second protrusion 14 are connected together by a second connecting piece 3; the first connecting piece 12 and the second connecting piece 3 do not contact each other.

[0025] One of the electromagnetic wave signals is transmitted to the first radiation plate 5 and the third radiation plate 6 through the first coaxial cable 9, so that the first radiation plate 5 and the third radiation plate 6 emit electromagnetic wave signals of corresponding frequencies, and the other electromagnetic wave signal is transmitted to the second radiation plate 7 and the fourth radiation plate 8 through the second coaxial cable 13, so that the second radiation plate 7 and the fourth radiation plate 8 emit electromagnetic wave signals of corresponding frequencies.

[0026] Further, such as Figure 4 and Figure 8As shown, the upper surface of the first radiant plate 5 is horizontally disposed and has three arc-shaped holes formed therein. The specific shape of the arc-shaped holes can be adjusted accordingly. The core 10 at the upper end of the first coaxial cable 9 is higher than the height of the first radiant plate 5 and is welded to the first connecting piece 12. Furthermore, the upper surface of the third radiant plate 6 is horizontally disposed and has three arc-shaped holes formed therein at positions symmetrical to the arc-shaped holes in the first radiant plate 5. The first protrusion 11 is higher than the height of the third radiant plate 6 and is welded to the first connecting piece 12.

[0027] Further, such as Figure 4 and Figure 8 As shown, a notch is formed near the inner corner of the second radiation plate 7, and the core 10 of the upper end of the second coaxial cable 13 extends from the coaxial cable installation groove 4 on the lower side of the second radiation plate 7. The core 10 of the upper end of the second coaxial cable 13 is welded to the second connecting piece 3. Three arc-shaped holes are formed on the second radiation plate 7. A notch is formed near the inner corner of the fourth radiation plate 8. The second protrusion 14 is located on the notch. The second protrusion 14 is welded to the second connecting piece 3 and has three arc-shaped holes formed thereon. Further, as shown Figure 3 As shown, two fixing posts 15 are formed on the lower side of the mounting base 1 to facilitate the fixing of the dual-polarization oscillator. The first radiating plate 5 and the second radiating plate 7 are connected in one polarization direction, and the third radiating plate 6 and the fourth radiating plate 8 are connected in the other polarization direction, and are respectively connected by coaxial cables.

[0028] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna, characterized by: The invention comprises an antenna base (16), wherein a waterproof connector (17) is provided on the antenna base (16), one end of two coaxial cables (18) passes through the antenna base (16) and enters the outer cover (19) of the omnidirectional antenna, a support rod (20) is provided in the outer cover (19), the lower end of the support rod (20) is fixedly connected to the antenna base (16), six dual-polarization oscillators (21) are fixed on the support rod (20) at intervals, two one-to-two power splitters (22) and four one-to-three power splitters (23) are fixed on the support rod (20), wherein every two one-to-two power splitters (22) form a group, and every two one-to-three power splitters (23) form a group, and one end of the first coaxial cable (9) is connected to the second coaxial cable (9). The first one-to-two power splitter is connected to the input end, the two output ends of the first one-to-three power splitter are respectively connected to the input end of the first one-to-three power splitter and the input end of the second one-to-three power splitter, the three output ends of the first one-to-three power splitter and the three output ends of the second one-to-three power splitter are respectively connected to one polarization direction connection end of the six dual-polarization oscillators, one end of the second coaxial cable (13) is connected to the input end of the second one-to-two power splitter, the two output ends of the second one-to-two power splitter are respectively connected to the input end of the third one-to-three power splitter and the input end of the fourth one-to-three power splitter, the three output ends of the third one-to-three power splitter and the three output ends of the fourth one-to-three power splitter are respectively connected to the other polarization direction connection end of the six dual-polarization oscillators.

2. The 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna according to claim 1, characterized in that: The omnidirectional antenna further includes a top cover (24), the top cover (24) closes the upper end opening of the outer cover (19), and the upper end of the support rod (20) is fixedly connected to the top cover (24); the lower end of the support rod (20) is fixedly connected to the antenna base (16) via a bottom partition.

3. The 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna according to claim 2, characterized in that: The omnidirectional antenna further comprises a top partition (25), the upper end of the support rod (20) is fixedly connected to the top partition (25), and the top partition (25) is fixedly connected to the top cover (24).

4. The 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna according to claim 1, characterized in that: A radio frequency connector (26) is provided at the outer end of the coaxial cable (18).

5. The 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna according to claim 1, characterized in that: The six dual-polarization oscillators (21) are arranged at equal intervals on the support rod (20).

6. The 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna according to claim 1, characterized in that: The dual-polarization oscillator includes a mounting base (1), four separate support columns (2) are formed on the mounting base (1), a radiation plate is formed at the upper end of each support column (2), the four radiation plates are not in direct contact with each other, a coaxial cable installation groove (4) is formed on the side of each support column (2), the first radiation plate (5) and the third radiation plate (6) are arranged diagonally, the second radiation plate (7) and the fourth radiation plate (8) are arranged diagonally, the upper end of the first coaxial cable (9) passes through the coaxial cable installation groove (4) on the support column on the lower side of the first radiation plate (5), so that the wire core (10) of the upper end of the first coaxial cable (9) extends from the upper surface of the first radiation plate (5), and the third radiation plate (6) is formed near the corner of the first radiation plate (5). A first protrusion (11) is provided, and the core (10) at the upper end of the first coaxial cable (9) and the first protrusion (11) are connected together through a first connecting piece (12); after the upper end of the second coaxial cable (13) passes through the coaxial cable installation groove (4) on the support column (2) on the lower side of the second radiation plate (7), the core (10) at the upper end of the second coaxial cable (13) extends from the upper surface of the second radiation plate (7); a second protrusion (14) is formed on the fourth radiation plate (8) near the corner of the second radiation plate (7), and the core (10) at the upper end of the second coaxial cable (13) and the second protrusion (14) are connected together through a second connecting piece (3); the first connecting piece (12) and the second connecting piece (3) do not contact each other.

7. The 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna according to claim 6, characterized in that: The upper surface of the first radiation plate (5) is horizontally arranged and has three arc-shaped holes formed thereon; the height of the wire core (10) at the upper end of the first coaxial cable (9) is higher than the height of the first radiation plate (5), and the wire core (10) at the upper end of the first coaxial cable (9) is welded to the first connecting piece (12).

8. The 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna according to claim 6, characterized in that: The upper surface of the third radiation plate (6) is arranged horizontally, and three arc-shaped holes are formed thereon at positions symmetrical to the arc-shaped holes on the first radiation plate (5); the height of the first protrusion (11) is higher than the height of the third radiation plate (6), and the first protrusion (11) is welded to the first connecting piece (12).

9. The 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna according to claim 6, characterized in that: A notch is formed near an inner corner of the second radiation plate (7); the wire core (10) at the upper end of the second coaxial cable (13) extends from the coaxial cable installation groove (4) at the lower side of the second radiation plate (7); the wire core (10) at the upper end of the second coaxial cable (13) is welded to the second connecting piece (3); and three arc-shaped holes are formed on the second radiation plate (7).

10. The 1710MHz-2690MHz dual-polarization two-port omnidirectional antenna according to claim 6, characterized in that: The fourth radiation plate (8) is formed with a notch near the inner corner, the second protrusion (14) is located on the notch, the second protrusion (14) is welded to the second connecting piece (3), and three arc-shaped holes are formed thereon; two fixing columns (15) are formed on the lower side of the mounting seat (1) for fixing the dual-polarization vibrator.

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