Low-cost base station antenna structure

Abstract

The utility model discloses a low-cost base station antenna structure. The low-cost base station antenna structure comprises a reflecting plate and a plurality of oscillators, the reflecting plate comprises a base plate, a plurality of isolation plates and a plurality of side baffles, the isolation plates are arranged in the middle of one side of the base plate and are integrally formed by punching the base plate, and the side baffles are arranged on the side edge of one side of the base plate and are integrally formed by bending the base plate; the oscillator comprises a radiation plate and a balun plate, one end of the balun plate is connected with the radiation plate, and the other end of the balun plate is connected with one side of the substrate; according to the above structure, on the premise that the appearance and the strength of the whole machine are not affected, the isolation plate, the side baffle plate and the substrate are integrally formed to form the integrated reflection plate, plastic rivets are not needed for fastening, manual assembly is not needed, the material cost is relatively reduced, automatic assembly is easy to achieve, and the layout flexibility of the whole machine is improved. And meanwhile, the antenna oscillator is changed into the single-balun oscillator, so that the cost and the weight of the antenna can be effectively reduced, and the practicability is very good.

Description

Technical Field

[0001] The utility model relates to the field of base station antennas, in particular to a low-cost base station antenna structure. Background Art

[0002] The base station antenna is an indispensable key part in the mobile communication system to realize wireless communication. In the existing base station antenna, the antenna vibrator is a double balun vibrator, and the reflector is a detachable structure, including 8 PCS of baffle fastening bolts, 4 PCS of baffle insulating pads, 1 PCS of isolation plate, 1 PCS of isolation plate insulating pads and 17 PCS of R3255 rivets, which are manually assembled on the bottom plate of the reflector. Such a base station antenna not only has high material cost and complex production and assembly, but also consists of multiple materials, which is extremely complex during production and manufacturing, and also occupies a large labor cost. Therefore, a low-cost base station antenna structure is urgently needed to solve the above problems. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a low-cost base station antenna structure.

[0004] An embodiment of the utility model solves the technical problem by adopting a technical solution: a low-cost base station antenna structure, including a reflector and a plurality of vibrators;

[0005] The reflector includes a substrate, a plurality of isolation plates and a plurality of side baffles, wherein the isolation plate is arranged at the middle of one side of the substrate and is integrally formed by stamping the substrate, and the side baffles are arranged at the side edge of one side of the substrate and are integrally formed by bending the substrate;

[0006] The vibrator comprises a radiation plate and a balun plate, one end of the balun plate is connected to the radiation plate, and the other end of the balun plate is connected to one side of the substrate.

[0007] As one of the preferred embodiments of the utility model, a low-cost base station antenna structure also includes an upper baffle and a lower baffle arranged at the lower end of the substrate, the lower baffle is formed by bending downward from the substrate and is used to install the connector assembly, the upper baffle is formed by bending upward from the substrate, and the end cover is connected to the upper baffle and / or the lower baffle.

[0008] As one of the preferred embodiments of the present utility model, a plurality of mounting holes are provided on the upper baffle plate and / or the lower baffle plate.

[0009] As one of the preferred embodiments of the utility model, a low-cost base station antenna structure also includes a phase shifter, a pull rod and a driving component arranged on the other side of the substrate, and the driving component is connected to the phase shifter through the pull rod.

[0010] As one of the preferred embodiments of the present utility model, a low-cost base station antenna structure further includes a plurality of support members arranged on the substrate for supporting the antenna cover.

[0011] The beneficial effects of the utility model include: a low-cost base station antenna structure, including a reflector and a plurality of vibrators; the reflector includes a substrate, a plurality of isolation plates and a plurality of side baffles, the isolation plate is arranged in the middle of one side of the substrate and is integrally stamped by the substrate, and the side baffle is arranged at the side edge of one side of the substrate and is integrally bent by the substrate; the vibrator includes a radiation plate and a balun plate, one end of the balun plate is connected to the radiation plate, and the other end is connected to one side of the substrate; through the above structure, the isolation plate and the side baffle are integrally formed with the substrate without affecting the appearance and strength of the whole machine to form an integrated reflector, without the need for plastic rivets for fastening, and without manual assembly, not only the material cost is relatively reduced, but also it is easy to realize automated assembly and improve the flexibility of the overall layout, and at the same time, changing the antenna vibrator to a single balun vibrator can effectively reduce the cost and weight of the antenna, and has very good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0013] Figure 1 It is a first structural schematic diagram of a low-cost base station antenna structure;

[0014] Figure 2 is a second structural schematic diagram of a low-cost base station antenna structure;

[0015] Figure 3 is a schematic diagram of the structure of the reflector;

[0016] Figure 4 is a schematic diagram of the structure of the oscillator;

[0017] Figure 5 This is an exploded view of the oscillator. DETAILED DESCRIPTION

[0018] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0019] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0020] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0022] Reference Figures 1 to 5 , a low-cost base station antenna structure, comprising a reflector 10 and a plurality of vibrators 20;

[0023] The reflector 10 includes a substrate 11, a plurality of isolation plates 12 and a plurality of side baffles 13. The isolation plate 12 is disposed in the middle of one side of the substrate 11 and is integrally formed by stamping the substrate 11. The side baffles 13 are disposed at the side edge of one side of the substrate 11 and are integrally formed by bending the substrate 11.

[0024] The vibrator 20 includes a radiation plate 21 and a balun plate 22 . One end of the balun plate 22 is connected to the radiation plate 21 , and the other end of the balun plate 22 is connected to one side of the substrate 11 .

[0025] In the utility model, during production, firstly, corresponding mounting holes are cut on the substrate 11 according to the mounting positions of the dense radiation array, power division network, blind plug connector and transceiver unit in the antenna structure, and then the cut substrate 11 is placed on a die stamping device to stamp out a plurality of isolation plates 12, and then the stamped substrate 11 is placed on a bending device for bending, so as to construct side baffles 30 located on both sides of the substrate 11, and complete the production of the reflector; and the vibrator 20 for signal radiation is composed of a radiation plate 21 and a single balun plate 22, wherein the upper end of the balun plate 22 is connected to the radiation plate 21, and the lower end of the balun plate 22 is connected to the substrate 11 through a mounting seat, and the vibrator 20 is located on the side where the reflective surface of the substrate 11 is located; and a phase shifter 60, a pull rod 70 and a drive assembly 80 are assembled on the side of the substrate 11 facing away from the reflective surface, and the phase shifter 60 and the drive assembly are connected. 80 are connected together by a pull rod 70, and the joint assembly 40 is assembled on the mounting hole 50 on the lower baffle plate 32 and connected to the phase shifter 60 through a coaxial cable. Finally, the antenna cover is installed and the opening of the antenna cover is closed with the end cover; the integrated reflector of the utility model only requires a material cost of 120 yuan / pair, which is reduced by 32 yuan, and the assembly cost of producing an antenna equipped with such a reflector only requires 220 minutes / person, which is reduced by 20 minutes / person; the advantage of the utility model is that: through the above structure, the isolation plate and the side baffle are integrally formed with the substrate without affecting the appearance and strength of the whole machine to form an integrated reflector, which does not need to be fastened with plastic rivets or manual assembly, and not only the material cost is relatively reduced, but also it is easy to realize automatic assembly and improve the flexibility of the overall layout. At the same time, changing the antenna vibrator to a single balun vibrator can effectively reduce the cost and weight of the antenna, and has very good practicality.

[0026] A low-cost base station antenna structure also includes an upper baffle 31 and a lower baffle 32 arranged at the lower end of a substrate 11. The lower baffle 32 is formed by bending downward from the substrate 11 and is used to install a connector assembly 40. The upper baffle 31 is formed by bending upward from the substrate 11, and an end cover is connected to the upper baffle 31 and / or the lower baffle 32.

[0027] A plurality of mounting holes 50 are provided on the upper baffle plate 31 and / or the lower baffle plate 32 .

[0028] A low-cost base station antenna structure further includes a phase shifter 60 , a pull rod 70 , and a driving assembly 80 arranged on the other side of the substrate 11 . The driving assembly 80 is connected to the phase shifter 60 via the pull rod 70 .

[0029] A low-cost base station antenna structure further includes a plurality of support members 90 disposed on the substrate 11 for supporting the antenna cover.

[0030] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A low-cost base station antenna structure, characterized in that: It comprises a reflection plate (10) and a plurality of vibrators (20); The reflecting plate (10) comprises a base plate (11), a plurality of isolation plates (12) and a plurality of side baffles (13); the isolation plate (12) is arranged at the middle of one side of the base plate (11) and is integrally formed by stamping the base plate (11); the side baffles (13) are arranged at the side edge of one side of the base plate (11) and are integrally formed by bending the base plate (11); The vibrator (20) comprises a radiation plate (21) and a balun plate (22); one end of the balun plate (22) is connected to the radiation plate (21), and the other end is connected to one side of the substrate (11).

2. A low-cost base station antenna structure according to claim 1, characterized in that: It also comprises an upper baffle (31) and a lower baffle (32) arranged at the lower end of the base plate (11); the lower baffle (32) is formed by bending downwards from the base plate (11) and is used to install a joint assembly (40); the upper baffle (31) is formed by bending upwards from the base plate (11); and an end cover is connected to the upper baffle (31) and / or the lower baffle (32).

3. A low-cost base station antenna structure according to claim 2, characterized in that: A plurality of mounting holes (50) are provided on the upper baffle plate (31) and / or the lower baffle plate (32).

4. The low-cost base station antenna structure according to claim 1, characterized in that: It also includes a phase shifter (60), a pull rod (70) and a driving assembly (80) arranged on the other side of the substrate (11); the driving assembly (80) is connected to the phase shifter (60) via the pull rod (70).

5. The low-cost base station antenna structure according to claim 1, characterized in that: It also includes a plurality of support members (90) arranged on the substrate (11) and used for supporting the antenna cover.

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