Miniaturized double-layer fan-shaped phase shifter structure and electrically tunable antenna

Abstract

The utility model discloses a miniaturized double-layer fan-shaped phase shifter structure and an electrically tunable antenna. The miniaturized double-layer fan-shaped phase shifter structure comprises a first PCB, a second PCB, a first phase shifting plate, a second phase shifting plate and a connecting buckle, the second PCB is located below the first PCB; the middle section of the first phase shifting plate is rotationally connected to the first PCB; the middle section of the second phase shifting plate is rotationally connected to the second PCB; the connecting buckle is movably connected with the first phase shifting plate and the second phase shifting plate, and the connecting buckle is connected with the pull rod, so that the relative angle between the first phase shifting plate and the first PCB and the relative angle between the second phase shifting plate and the second PCB are adjusted under the driving of the pull rod; through the structure, the use of materials can be reduced, the upper and lower layers of PCBs of the fan-shaped phase shifter can be connected, the linkage of the upper and lower layers of PCBs of the fan-shaped phase shifter is realized, the assembly process is simplified, the assembly efficiency is improved, and the fan-shaped phase shifter has very good practicability.

Description

Technical Field

[0001] The utility model relates to the field of antennas, in particular to a miniaturized double-layer sector-shaped phase shifter structure and an electrically adjustable antenna. Background Art

[0002] Base station antenna is an indispensable key part in realizing wireless communication in mobile communication system. Its main beam needs to make corresponding changes through the change of the radiation angle of the antenna. Nowadays, the methods of adjusting the direction of its main beam include mechanical adjustment and electronic adjustment. The antenna using electronic adjustment is also called electrically adjustable antenna, which adjusts the direction of its main beam through a phase shifter. However, the current sector phase shifter structure has the disadvantage of large volume and is only suitable for four-way sector phase shifter PCB board. This phase shifter not only has few PCB lines, but also has relatively high cost. Therefore, a miniaturized double-layer sector phase shifter structure and electrically adjustable antenna are 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 miniaturized double-layer sector-shaped phase shifter structure and an electrically adjustable antenna.

[0004] An embodiment of the utility model adopts a technical solution to solve its technical problem: a miniaturized double-layer fan-shaped phase shifter structure, including a first PCB board, a second PCB board, a first phase shifter plate, a second phase shifter plate and a connecting buckle;

[0005] The second PCB board is located below the first PCB board;

[0006] The middle section of the first phase shifter is rotatably connected to the first PCB board;

[0007] The middle section of the second phase shifter is rotatably connected to the second PCB board;

[0008] The connecting buckle is movably connected to the first phase shifter plate and the second phase shifter plate respectively, and the connecting buckle is connected to the pull rod to adjust the relative angle between the first phase shifter plate and the first PCB board and the relative angle between the second phase shifter plate and the second PCB board under the drive of the pull rod.

[0009] As one of the preferred embodiments of the utility model, a miniaturized double-layer fan-shaped phase shifter structure also includes a first buckle plate and a second buckle plate, the first buckle plate is connected to the middle section of the first phase shifter plate and the first PCB board through a first rivet, and the second buckle plate is connected to the middle section of the second phase shifter plate and the second PCB board through a second rivet.

[0010] As one of the preferred embodiments of the utility model, a miniaturized double-layer fan-shaped phase shifter structure also includes a first fixed seat, a first isolation pad, a second fixed seat and a second isolation pad. The first PCB board is installed on the first fixed seat through the first isolation pad, and the second PCB board is installed on the second fixed seat through the second isolation pad.

[0011] As one of the preferred embodiments of the utility model, a first T-shaped connecting block is provided at the upper end of the connecting buckle, and a second T-shaped connecting block is provided at the lower end;

[0012] The first T-shaped connecting block includes a first limiting portion arranged transversely and a first rotating portion connected to the first limiting portion and the connecting buckle and arranged longitudinally, a first rotating hole is provided on the first phase shifting plate, the first limiting portion is passed through the first rotating hole and abuts against the first phase shifting plate, so that the first rotating portion rotates in the first rotating hole;

[0013] The second T-shaped connecting block includes a second limiting portion arranged laterally and a second rotating portion connected to the second limiting portion and the connecting buckle and arranged longitudinally. A second rotating hole is provided on the second phase shifting plate. The second limiting portion is passed through the second rotating hole and abuts against the second phase shifting plate so that the second rotating portion rotates in the second rotating hole.

[0014] As one of the preferred embodiments of the utility model, a connecting groove is provided on the connecting buckle, and the pull rod is inserted into the connecting groove.

[0015] As one of the preferred embodiments of the utility model, the pull rod is connected to the connecting buckle through a fastening structure so that the pull rod is confined in the connecting groove.

[0016] As one of the preferred embodiments of the present utility model, the fastening structure is configured as a rivet structure.

[0017] An electrically adjustable antenna comprises the miniaturized double-layer sector-shaped phase shifter structure.

[0018] The beneficial effects of the utility model include: a miniaturized double-layer sector-shaped phase shifter structure and an electrically adjustable antenna, wherein the miniaturized double-layer sector-shaped phase shifter structure comprises a first PCB board, a second PCB board, a first phase shifter plate, a second phase shifter plate and a connecting buckle; the second PCB board is located below the first PCB board; the middle section of the first phase shifter plate is rotatably connected to the first PCB board; the middle section of the second phase shifter plate is rotatably connected to the second PCB board; the connecting buckle is movably connected to the first phase shifter plate and the second phase shifter plate respectively, and the connecting buckle is connected to a pull rod to adjust the relative angle between the first phase shifter plate and the first PCB board and the relative angle between the second phase shifter plate and the second PCB board under the drive of the pull rod; the above structure can not only reduce the use of materials, but also connect the upper and lower layers of the sector-shaped phase shifter PCB boards, and realize the linkage of the upper and lower layers of the sector-shaped phase shifter PCB boards, and simplify the assembly process and improve the assembly efficiency, and has very good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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:

[0020] Figure 1 It is a structural schematic diagram of an electrically adjustable antenna;

[0021] Figure 2 for Figure 1 A partial enlarged view of the middle A area;

[0022] Figure 3 It is a structural schematic diagram of a miniaturized double-layer sector-shaped phase shifter structure;

[0023] Figure 4 It is an exploded view of a miniaturized double-layer sector-shaped phase shifter structure;

[0024] Figure 5 It is a partial structural schematic diagram of a miniaturized double-layer sector-shaped phase shifter structure;

[0025] Figure 6 It is a schematic diagram of the structure of the connecting buckle. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] 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.

[0029] 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.

[0030] Reference Figures 1 to 6 , a miniaturized double-layer sector-shaped phase shifter structure, comprising a first PCB board 11, a second PCB board 12, a first phase shifting plate 21, a second phase shifting plate 22 and a connecting buckle 30;

[0031] The second PCB board 12 is located below the first PCB board 11;

[0032] The middle section of the first phase shift plate 21 is rotatably connected to the first PCB board 11;

[0033] The middle section of the second phase shifter 22 is rotatably connected to the second PCB board 12;

[0034] The connecting buckle 30 is movably connected to the first phase shifter plate 21 and the second phase shifter plate 22 respectively, and the connecting buckle 30 is connected to the pull rod 40 to adjust the relative angle between the first phase shifter plate 21 and the first PCB board 11 and the relative angle between the second phase shifter plate 22 and the second PCB board 12 under the drive of the pull rod 40.

[0035] ① In the present utility model, during assembly, the first buckle plate 51 is used to assemble the first phase shifter 21 and the first PCB board 11 onto the first isolation pad 62 through the first rivet 53, so that the first buckle plate 51 limits the first phase shifter 21 on the first PCB board 11, and at the same time, the first phase shifter 21 can rotate relative to the first PCB board 11 with the first rivet 53 as the rotation center, and then the first isolation pad 62 is assembled on the first fixed seat 61 to form an upper assembly; the second buckle plate 52 is used to assemble the second phase shifter 22 and the second PCB board 12 onto the second isolation pad 64 through the second rivet 54, so that the second buckle plate 52 limits the second phase shifter 22 on the second PCB board 12, and at the same time, the second phase shifter 22 can rotate relative to the second PCB board 12 with the second rivet 54 as the rotation center, and then the second isolation pad 64 is assembled on the second fixed seat 62 to form a lower assembly;

[0036] ② Further, the first limiting portion 71 in the first T-shaped connecting block 70 on the connecting buckle 30 is inserted into the first rotating hole 211 on the first phase shifting plate 21 and rotated 90°, the first limiting portion 71 in the first T-shaped connecting block 70 abuts against the first phase shifting plate 21, and the first rotating portion 72 in the first T-shaped connecting block 70 rotates in the first rotating hole 211, and the second limiting portion in the second T-shaped connecting block 80 on the connecting buckle 30 is inserted into the second rotating hole 221 on the second phase shifting plate 22 and rotated 90°, the second limiting portion in the second T-shaped connecting block 80 abuts against the second phase shifting plate 22, and the second rotating portion in the second T-shaped connecting block 80 rotates in the second rotating hole 221, thereby forming a filter phase shifter assembly;

[0037] ③Finally, the phase shifter assembly is installed on the electrically adjustable antenna. Specifically, the pull rod 40 on the electrically adjustable antenna is inserted into the slot 31 on the connecting buckle 30, and the pull rod 40 and the connecting buckle 30 are fastened together by rivets, and the two groups of phase shifting components are driven simultaneously by the pull rod 40 to perform phase shifting operation; the advantages of the utility model are: through the above structure, not only the use of materials can be reduced, but also the upper and lower layers of PCB boards of the sector-shaped phase shifter can be connected, and the upper and lower layers of PCB boards of the sector-shaped phase shifter can be linked, and the assembly process is simplified and the assembly efficiency is improved, which has very good practicality.

[0038] Preferably, a miniaturized double-layer fan-shaped phase shifter structure also includes a first buckle plate 51 and a second buckle plate 52, the first buckle plate 51 is connected to the middle section of the first phase shifter plate 21 and the first PCB board 11 through a first rivet 53, and the second buckle plate 52 is connected to the middle section of the second phase shifter plate 22 and the second PCB board 12 through a second rivet 54.

[0039] Preferably, a miniaturized double-layer sector-shaped phase shifter structure further includes a first fixing seat 61, a first isolation pad 62, a second fixing seat 63 and a second isolation pad 64. The first PCB board 11 is mounted on the first fixing seat 61 through the first isolation pad 62, and the second PCB board 12 is mounted on the second fixing seat 63 through the second isolation pad 64. The isolation pad is provided to electrically isolate the electrically adjustable antenna component from the PCB board.

[0040] Preferably, the upper end of the connecting buckle 30 is provided with a first T-shaped connecting block 70, and the lower end is provided with a second T-shaped connecting block 80;

[0041] The first T-shaped connecting block 70 includes a first position-limiting portion 71 arranged transversely and a first rotating portion 72 connected to the first position-limiting portion 71 and the connecting buckle 30 and arranged longitudinally. The first phase shifting plate 21 is provided with a first rotating hole 211. The first position-limiting portion 71 is passed through the first rotating hole 211 and abuts against the first phase shifting plate 21, so that the first rotating portion 72 rotates in the first rotating hole 211.

[0042] The second T-shaped connecting block 80 includes a second limiting portion arranged transversely and a second rotating portion connected to the second limiting portion and the connecting buckle 30 and arranged longitudinally. A second rotating hole 221 is provided on the second phase shifting plate 22. The second limiting portion passes through the second rotating hole 221 and abuts against the second phase shifting plate 22 so that the second rotating portion rotates in the second rotating hole 221; the assembly efficiency between the connecting buckle 30 and the first phase shifting plate 21 and the second phase shifting plate 22 can be greatly improved.

[0043] The connecting buckle 30 is provided with a connecting groove 31 , and the pull rod 40 is inserted into the connecting groove 31 .

[0044] Preferably, the pull rod 40 is connected to the connecting buckle 30 via a fastening structure 90 so that the pull rod 40 is confined in the connecting groove 31 .

[0045] As a preferred embodiment of the fastening structure 90, the fastening structure 90 is configured as a rivet structure.

[0046] An electrically adjustable antenna comprises the miniaturized double-layer sector-shaped phase shifter structure.

[0047] 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 miniaturized double-layer sector-shaped phase shifter structure, characterized in that: It comprises a first PCB board (11), a second PCB board (12), a first phase shifting plate (21), a second phase shifting plate (22) and a connecting buckle (30); The second PCB board (12) is located below the first PCB board (11); The middle section of the first phase shifting plate (21) is rotatably connected to the first PCB board (11); The middle section of the second phase shifting plate (22) is rotatably connected to the second PCB board (12); The connecting buckle (30) is movably connected to the first phase shifter plate (21) and the second phase shifter plate (22) respectively, and the connecting buckle (30) is connected to the pull rod (40) so as to adjust the relative angle between the first phase shifter plate (21) and the first PCB board (11) and the relative angle between the second phase shifter plate (22) and the second PCB board (12) under the drive of the pull rod (40).

2. The miniaturized double-layer sector-shaped phase shifter structure according to claim 1, characterized in that: It also comprises a first buckle plate (51) and a second buckle plate (52), wherein the first buckle plate (51) is connected to the middle section of the first phase shifting plate (21) and the first PCB board (11) via a first rivet (53), and the second buckle plate (52) is connected to the middle section of the second phase shifting plate (22) and the second PCB board (12) via a second rivet (54).

3. The miniaturized double-layer sector-shaped phase shifter structure according to claim 1, characterized in that: The invention also comprises a first fixing seat (61), a first isolation pad (62), a second fixing seat (63) and a second isolation pad (64); the first PCB board (11) is mounted on the first fixing seat (61) via the first isolation pad (62); and the second PCB board (12) is mounted on the second fixing seat (63) via the second isolation pad (64).

4. The miniaturized double-layer sector-shaped phase shifter structure according to claim 1, characterized in that: The upper end of the connecting buckle (30) is provided with a first T-shaped connecting block (70), and the lower end is provided with a second T-shaped connecting block (80); The first T-shaped connecting block (70) comprises a first limiting portion (71) arranged transversely and a first rotating portion (72) connected to the first limiting portion (71) and the connecting buckle (30) and arranged longitudinally; a first rotating hole (211) is provided on the first phase shifting plate (21); the first limiting portion (71) is inserted into the first rotating hole (211) and abuts against the first phase shifting plate (21) so that the first rotating portion (72) rotates in the first rotating hole (211); The second T-shaped connecting block (80) comprises a second limiting portion arranged transversely and a second rotating portion connected to the second limiting portion and the connecting buckle (30) and arranged longitudinally; a second rotating hole (221) is provided on the second phase shifting plate (22); the second limiting portion is inserted into the second rotating hole (221) and abuts against the second phase shifting plate (22) so that the second rotating portion rotates in the second rotating hole (221).

5. The miniaturized double-layer sector-shaped phase shifter structure according to claim 1, characterized in that: The connecting buckle (30) is provided with a connecting groove (31), and the pull rod (40) is inserted into the connecting groove (31).

6. The miniaturized double-layer sector-shaped phase shifter structure according to claim 5, characterized in that: The pull rod (40) is connected to the connecting buckle (30) via a fastening structure (90) so that the pull rod (40) is confined in the connecting groove (31).

7. The miniaturized double-layer sector-shaped phase shifter structure according to claim 6, characterized in that: The fastening structure (90) is configured as a rivet structure.

8. An electrically adjustable antenna, characterized in that: It comprises the miniaturized double-layer sector-shaped phase shifter structure as described in any one of claims 1 to 7.

Images