WO2021119940A1

WO2021119940A1 - Antenna system, and assembly method therefor

Info

Publication number: WO2021119940A1
Application number: PCT/CN2019/125701
Authority: WO
Inventors: 褚庆臣
Original assignee: 瑞声声学科技(深圳)有限公司; 瑞声科技(新加坡)有限公司
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2021-06-24

Abstract

Provided are an antenna system and an assembly method therefor. The antenna system comprises a bracket, a first plate body clamped at one end of the bracket, and a second plate body clamped at the other end of the bracket and arranged opposite the first plate body. The bracket comprises a bracket body, clamping members and positioning pins. The bracket body comprises a first end and a second end arranged opposite each other. The clamping members for clamping the first plate body and the second plate body to the bracket are respectively arranged at the first end and the second end. The positioning pin is arranged on the clamping member. The first plate body and the second plate body are provided with clamping holes matching the clamping members, and fixing holes matching the positioning pins. The clamping member penetrates the clamping hole, and the positioning pin penetrates the fixing hole. The antenna system has the advantages of rapid assembly, firm connection, no assembly gap, high reliability and consistent performance.

Description

Antenna system and method for assembling the antenna system

Technical field

The present invention relates to the field of communication technology, in particular to an antenna system and an assembly method of the antenna system.

Background technique

5G antennas for large-scale array antenna modes have begun to be commercialized gradually, and requirements for antennas such as lightweight, easy production, and good consistency are becoming more and more urgent. As 5G antennas have higher frequency bands and narrower frequency bands, the consistency requirements and reliability of antenna-related manufacturing processes are getting higher and higher. At present, the assembly of components in the antenna is usually carried out by bolt connection, welding or snap connection. The first two methods are slow in efficiency but high in reliability. The snap connection is a quick connection method, but it needs to be reserved in the current assembly process. Process tolerance, the finished product after assembly will have varying degrees of vacancy and insufficient fastening, which affects the consistency of high-frequency antenna performance.

Therefore, it is necessary to provide an antenna system and an assembling method of the antenna system that are fast to assemble, have high reliability, and are tightly connected.

technical problem

One of the objectives of the present invention is to provide an antenna system to solve the technical problems of low assembly efficiency, low reliability and inconsistent performance in the existing assembly and production of antenna systems.

Technical solutions

The technical solution of the present invention is as follows: an antenna system, comprising a bracket, a first board clamped on one end of the bracket, and a second board clamped on the other end of the bracket and arranged opposite to the first board The bracket includes a bracket body, a retaining member, and a positioning pin. The bracket body includes a first end and a second end that are oppositely arranged. The first end and the second end are respectively provided with The first plate body and the second plate body are clamped on the retaining member of the bracket, the positioning pin is provided on the retaining member, the first plate body and the second plate body are provided There are a retaining hole that is adapted to the retaining member and a fixing hole that is adapted to the positioning pin, the retaining member is inserted in the retaining hole, and the positioning pin is inserted in the Mentioned in the fixing hole.

Further, the retaining member includes a connecting column, a first retaining arm provided at an end of the connecting column away from the bracket body, and a second locking arm provided on an end of the connecting column close to the bracket body, The extending direction of the first locking arm and the extending direction of the second locking arm are set at an included angle α, and the included angle α ranges from 0°<α<180°, and the positioning pin is set on the second The retaining arm faces the side of the bracket body.

Further, the included angle α is 90°.

Further, the first locking arm and/or the second locking arm are symmetrically arranged with respect to the connecting column.

Further, the connecting column is further provided with a boss at one end away from the bracket body, and the boss is located on one side or two opposite sides of the first locking arm.

Further, there are four positioning pins, and each two positioning pins are respectively set at an end of the second locking arm away from the connecting column.

Further, the bracket further includes an elastic arm connecting the bracket body and the second locking arm, the elastic arms are provided with four, and every two elastic arms are respectively connected to one of the second locking arms. The end of the arm away from the connecting column is connected.

Further, the retaining member further includes a third retaining arm provided on the side of the connecting column close to the bracket body and connected with the bracket body, and the third retaining arm is away from the first card One side of the positioning arm extends toward the locking member at the other end of the bracket body and is connected to the third locking arm or the elastic arm at the other end of the bracket body, the third locking arm The distance from the first locking arm is equal to the distance between the second locking arm and the first locking arm.

Further, the third locking arm is symmetrically arranged with respect to the connecting column.

Further, the bracket is integrally formed.

Further, the first locking arm is located on a side of the first plate body and the second plate body away from the bracket body, and the second locking arm is located on the first plate body and the The second board is close to the side of the bracket body; it is defined that the retaining member for connecting with the first board is the first retaining member, and the retaining member for connecting with the second board is defined as The second retaining member, the thickness of the first plate body is equal to the distance between the first retaining arm and the second retaining arm of the first retaining member, and the thickness of the second plate body The distance between the first locking arm and the second locking arm of the second locking member is equal.

Further, the locking hole includes a locking hole matching the first locking arm and a positioning hole matching the boss.

Further, the first board body is a circuit board, and the second board body is a radiating sheet.

The second objective of the present invention is to provide a method for assembling an antenna system, which includes the steps:

Insert the first retaining member of the bracket into the retaining hole of the first board;

Rotate the bracket so that the positioning pin provided on the first retaining member is inserted into the fixing hole of the first plate body;

Insert the second locking member of the bracket into the locking hole of the second board body;

Rotate the second plate body, so that the positioning pin provided on the second locking member is inserted into the fixing hole of the second plate body.

Further, the specific step of inserting the first retaining member card into the retaining hole of the first board body includes: aligning the boss of the first retaining member on the first board body In the positioning hole, the first locking arm of the first locking member is inserted into the locking hole of the first plate body.

Further, after inserting the first retaining member card into the retaining hole of the first plate body, the elastic arm connected with the first retaining member is deformed;

After the positioning pin provided with the first locking member is inserted into the fixing hole of the first plate body, the elastic arm connected with the first locking member rebounds.

Further, the specific step of inserting the second retaining member card into the retaining hole of the second board body includes: aligning the boss of the second retaining member on the second board body In the positioning hole, the first locking arm of the second locking member is inserted into the locking hole of the second plate body.

Further, after inserting the second retaining member of the bracket into the retaining hole of the second plate body, the elastic arm connected to the second retaining member is deformed;

After the positioning pin provided with the second locking member is inserted into the fixing hole of the second plate body, the elastic arm connected with the second locking member rebounds.

Beneficial effect

The beneficial effect of the present invention is that the first plate body and the second plate body are connected to the bracket by arranging the retaining member and the retaining hole, thereby improving the assembly speed of the antenna system and avoiding the performance of the antenna system due to inconsistent welding. ; By setting positioning pins and fixing holes to strengthen the fixation between the first plate and the second plate and the bracket, so that the assembly of the antenna system is firmer; by setting the thickness of the first plate and the first retaining member The distance between a locking arm and the second locking arm is equal, the thickness of the second plate body is equal to the distance between the first locking arm and the second locking arm of the second locking member, and a deformable elastic arm is provided to cooperate Install so that the antenna system has no assembly gap. Therefore, the antenna system provided by the present invention is fast in assembly, fast in connection, high in reliability and consistent in performance.

Description of the drawings

FIG. 1 is a schematic structural diagram of an antenna system provided by an embodiment of the present invention;

2 is a schematic diagram of the structure of a first board provided by an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a second board provided by an embodiment of the present invention;

Figure 4 is a schematic structural view of a bracket provided by an embodiment of the present invention;

Fig. 5 is a schematic structural view of another angle of the bracket provided by the embodiment of the present invention.

In the figure: 100, antenna system; 1, bracket; 11, bracket body; 12, retaining member; 12-1, first retaining member; 12-2, second retaining member; 121, connecting column; 122, The first locking arm; 123, the second locking arm; 124, the boss; 125, the third locking arm; 13, the positioning pin; 14, the elastic arm; 2, the first plate body; 3. the second plate body 4, card hole; 41, card hole; 42, positioning hole; 5. fixing hole.

Embodiments of the present invention

Hereinafter, the present invention will be described in detail with reference to FIGS. 1 to 5.

1 to FIG. 5, the present invention provides an antenna system 100, including a bracket 1, a first board body 2 clamped at one end of the bracket 1, and a first board body 2 clamped at the other end of the bracket 1 and disposed opposite to the first board body 2. The second plate 3, the bracket 1 includes a bracket body 11, a retaining member 12 and a positioning pin 13, the bracket body 11 includes a first end and a second end disposed oppositely, and the first end and the second end are respectively provided with The first plate body 2 and the second plate body 3 are clamped on the clamping member 12 of the bracket 1, the positioning pin 13 is disposed on the clamping member 12, and the first plate body 2 and the second plate body 3 are provided with the clamping member 12 A matching locking hole 4 and a fixing hole 5 matching the positioning pin 13, the locking member 12 passes through the locking hole 4, and the positioning pin 13 passes through the fixing hole 5. By providing the retaining member 12 and the retaining hole 4, the first board body 2 and the second board body 3 are connected to the bracket 1 to increase the assembly speed of the antenna system 100 while avoiding the performance of the antenna system 100 due to inconsistent welding. ; By setting the positioning pin 13 and the fixing hole 5 to strengthen the fixation between the first plate body 2 and the second plate body 3 and the bracket 1, so that the assembly of the antenna system 100 is firmer. Therefore, the antenna system 100 provided by the embodiment of the present invention is quick to assemble, fast in connection, high in reliability, and consistent in performance.

4 and 5, the retaining member 12 includes a connecting post 121, a first retaining arm 122 disposed at one end of the connecting post 121 away from the bracket body 11, and a second retaining arm 122 disposed on an end of the connecting post 121 close to the bracket body 11 Arm 123, the extending direction of the first locking arm 122 and the extending direction of the second locking arm 123 are set at an included angle α, and the included angle α ranges from 0°<α<180°, and the positioning pin 13 is set at the second locking position The arm 123 faces away from the side of the bracket body 11. The first locking arm 122 is located on the side of the first plate body 2 and the second plate body 3 away from the bracket body 11, and the second locking arm 123 is located on a side of the first plate body 2 and the second plate body 3 close to the bracket body 11. side. With this arrangement, the first plate body 2 and the second plate body 3 are clamped between the first clamping arm 122 and the second clamping arm 123 to realize the first plate body 2 and the second plate body 3 and the bracket 1 fixed connection. In this embodiment, the included angle α is 90°. Of course, as long as the extending directions of the first locking arm 122 and the second locking arm 123 are not parallel, the first plate body 2 and the second plate body 3 can be locked. It suffices to be between the first locking arm 122 and the second locking arm 123. Specifically, it is defined that the retaining member 12 used for connection with the first board body 2 is the first retaining member 12-1, and the retaining member 12 used for connection with the second board body 3 is defined as the second retaining member 12- 2. The thickness of the first plate body 2 is equal to the distance between the first locking arm 122 and the second locking arm 123 of the first locking member 12-1, and the thickness of the second plate body 3 is the same as that of the second locking member 12 The distance between the first locking arm 122 and the second locking arm 123 of -2 is equal, and the first locking arm 122 and the second locking arm 123 are symmetrically arranged with respect to the connecting column 121. By setting in this way, the first plate 2 and the second plate 3 are more stably and firmly clamped between the first clamping arm 122 and the second clamping arm 123, avoiding the first plate 2 or the second clamping arm. The board 3 is inclined relative to the support 1.

Preferably, the connecting post 121 is further provided with a boss 124 at one end away from the bracket body 11, the boss 124 is located on one side or two opposite sides of the first locking arm 122, and the locking hole 4 includes the first locking arm 122. A matching hole 41 and a positioning hole 42 matching the boss 124. In this embodiment, symmetrical bosses 124 are provided on both sides of the first locking arm 122, so that when assembling, according to the cooperation of the boss 124 and the positioning hole 42, the locking member 12 can be inserted into the position accurately and quickly. Card bit hole 4.

Please refer to FIG. 4 and FIG. 5 again. There are four positioning pins 13, and every two positioning pins 13 are respectively provided at the end of a second locking arm 123 away from the connecting column 121. The bracket 1 further includes an elastic arm 14 connecting the bracket body 11 and the second locking arm 123. Four elastic arms 14 are provided. Each of the two elastic arms 14 is separated from an end of the second locking arm 123 away from the connecting column 121. connection. When assembling the first board body 2 and the second board body 3 with the bracket 1, after the retaining member 12 is inserted into the retaining hole 4, the first board body 2, the second board body 3 or the bracket 1 need to be rotated , The positioning pin 13 is rotated to the fixing hole 5 or the fixing hole 5 is rotated to the positioning pin 13 so that the positioning pin 13 is arranged in the fixing hole 5 to achieve enhanced fixation. The antenna system 100 of the present invention uses transitional assembly to fix the positioning pin 13 Set in the fixing hole 5, when the positioning pin 13 rotates to the fixing hole 5 or the fixing hole 5 to the positioning pin 13, the deformation of the elastic arm 14 or the partial deformation of the first plate body 2 and the second plate body 3 are used to realize the rotation, By arranging the positioning pin 13 at the end of the second locking arm 123, the elastic arm 14 is connected to the end of the second locking arm 123, which is more beneficial to the support 1 or the first plate body 2 and the second plate body 3. Spin. Therefore, in the antenna system 100 provided by the present invention, by setting the thickness of the first board 2 to be equal to the distance between the first retaining arm 122 and the second retaining arm 123 of the first retaining member 12-1, the second board The thickness of 3 is equal to the distance between the first locking arm 122 and the second locking arm 123 of the second locking member 12-2, and the deformable elastic arm 14 is arranged to cooperate with each other, so that the antenna system 100 has no assembly gap.

Preferably, the retaining member 12 further includes a third retaining arm 125 disposed on the side of the connecting column 121 close to the bracket body 11 and connected to the bracket body 11, and the third retaining arm 125 is away from the side of the first retaining arm 122 It extends toward the locking member 12 at the other end of the bracket body 11 and is connected to the third locking arm 125 or the elastic arm 14 at the other end of the bracket body 11. The distance between the third locking arm 125 and the first locking arm 122 is the same as that of the first locking arm 122. The distance between the second locking arm 123 and the first locking arm 122 is equal. The third locking arm 125 is symmetrically arranged with respect to the connecting column 121. By setting in this way, the clamping strength of the clamping member 12 and the supporting strength of the bracket body 11 are increased. Please continue to refer to FIG. 4, a side of the third locking arm 125 away from the first locking arm 122 extends toward the locking member 12 at the other end of the bracket body 11 and is connected to the elastic arm 14 at the other end of the bracket body 11. It can be understood that it is also possible for the third locking arm 125 to extend from the side of the third locking arm 125 away from the first locking arm 122 toward the locking member 12 at the other end of the bracket body 11 and to be connected to the third locking arm 125 at the other end of the bracket body 11 , That is, the third retaining arms 125 located at the two ends of the bracket body 11 extend opposite to each other and are connected to form a whole body. It is worth mentioning that the size of the first locking arm 122 of the first locking member 12-1 and the size of the first locking arm 122 of the second locking member 12-2 may be the same or different; The size of the second locking arm 123 of the locking member 12-1 and the size of the second locking arm 123 of the second locking member 12-2 may be the same or different; the size of the second locking arm 123 of the first locking member 12-1 The size of the three locking arm 125 and the size of the third locking arm 125 of the second locking member 12-2 may be the same or different.

Preferably, the bracket 1 is integrally formed.

Preferably, the first board body 2 is a circuit board, and the second board body 3 is a radiation sheet. Understandably, the first board body 2 and the second board body 3 may also be other mounting boards.

The present invention also provides an assembling method of the antenna system 100, which includes the steps:

S1: Insert the first retaining member 12-1 of the bracket 1 into the retaining hole 4 of the first board body 2;

S2: Rotate the bracket 1 so that the positioning pin 13 provided on the first locking member 12-1 is inserted into the fixing hole 5 of the first plate body 2;

S3: Insert the second retaining member 12-2 of the bracket 1 into the retaining hole 4 of the second board 3;

S4: Rotate the second plate body 3 so that the positioning pin 13 provided on the second locking member 12-2 is inserted into the fixing hole 5 of the second plate body 3.

Preferably, the specific steps of inserting the first locking member 12-1 into the locking hole 4 of the first plate body 2 include: aligning the boss 124 of the first locking member 12-1 on the first plate body 2. , The first locking arm 122 of the first locking member 12-1 is inserted into the locking hole 41 of the first plate body 2.

Preferably, after the first locking member 12-1 is inserted into the locking hole 4 of the first plate body 2, the elastic arm 14 connected with the first locking member 12-1 is deformed;

After the positioning pin 13 provided with the first locking member 12-1 is inserted into the fixing hole 5 of the first plate body 2, the elastic arm 14 connected with the first locking member 12-1 rebounds.

Preferably, the specific step of inserting the second retaining member 12-2 into the retaining hole 4 of the second board 3 includes: aligning the boss 124 of the second retaining member 12-2 on the second board 3 , The first locking arm 122 of the second locking member 12-2 is inserted into the locking hole 41 of the second board 3.

Preferably, after the second retaining member 12-2 of the bracket 1 is inserted into the retaining hole 4 of the second board 3, the elastic arm 14 connected to the second retaining member 12-2 is deformed;

After the positioning pin 13 provided with the second locking member 12-2 is inserted into the fixing hole 5 of the second plate body 3, the elastic arm 14 connected with the second locking member 12-2 rebounds.

With the method for assembling the antenna system 100 provided by the present invention, the antenna system 100 can be assembled quickly and firmly. Because no welding process is involved, the assembled antenna system 100 has good performance consistency.

The above are only the embodiments of the present invention. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present invention, but these are all protected by the present invention. range.

Claims

The antenna system is characterized in that it comprises a bracket, a first plate body clamped on one end of the bracket, and a second plate body clamped on the other end of the bracket and arranged opposite to the first plate body, the bracket It includes a bracket body, a retaining member and a positioning pin. The bracket body includes a first end and a second end that are opposed to each other. The first end and the second end are respectively provided for connecting the first plate body and the positioning pin. The second board body is clamped on the retaining member of the bracket, the positioning pin is disposed on the retaining member, the first board body and the second board body are provided with the retaining member A locking hole adapted to the positioning member and a fixing hole matching the positioning pin, the locking member is inserted in the positioning hole, and the positioning pin is inserted in the fixing hole.
The antenna system according to claim 1, wherein the retaining member comprises a connecting post, a first retaining arm arranged at one end of the connecting post away from the bracket body, and a first retaining arm arranged on the connecting post close to the support body. For the second locking arm at one end of the bracket body, the extending direction of the first locking arm and the extending direction of the second locking arm are arranged at an included angle α, and the included angle α ranges from 0°<α<180° , The positioning pin is arranged on the side of the second locking arm facing away from the bracket body.
The antenna system according to claim 2, wherein the included angle α is 90°.
The antenna system according to claim 2, wherein the first locking arm and/or the second locking arm are symmetrically arranged with respect to the connecting column.
The antenna system according to claim 4, wherein the connecting post is further provided with a boss at one end away from the bracket body, and the boss is located on one side or two opposite sides of the first locking arm.
The antenna system according to claim 4, wherein the positioning pins are provided with four, and each two positioning pins are respectively provided at an end of the second retaining arm away from the connecting column.
The antenna system according to claim 4, wherein the bracket further comprises an elastic arm connecting the bracket body and the second locking arm, the elastic arm is provided with four, each of the two The elastic arms are respectively connected with an end of the second locking arm away from the connecting column.
The antenna system according to claim 7, wherein the retaining member further comprises a third retaining arm which is provided on a side of the connecting column close to the bracket body and connected with the bracket body, and A side of the third locking arm away from the first locking arm extends toward the locking member at the other end of the bracket body and is connected to the third locking arm or the third locking arm at the other end of the bracket body. The elastic arm is connected, and the distance between the third locking arm and the first locking arm is equal to the distance between the second locking arm and the first locking arm.
8. The antenna system according to claim 8, wherein the third locking arm is symmetrically arranged with respect to the connecting column.
The antenna system according to claim 1, wherein the bracket is integrally formed.
The antenna system according to any one of claims 2-9, wherein the first locking arm is located on a side of the first board and the second board away from the bracket body, and the The second locking arm is located on the side of the first plate body and the second plate body close to the bracket body; the locking member used for connecting with the first plate body is defined as the first locking member, The retaining member used for connecting with the second plate body is a second retaining member, and the thickness of the first plate body is the same as the first retaining arm and the second retaining member of the first retaining member. The spacing between the locking arms is equal, and the thickness of the second plate body is equal to the spacing between the first locking arm and the second locking arm of the second locking member.
The antenna system according to claim 11, wherein the retaining hole comprises a retaining hole adapted to the first retaining arm and a positioning hole adapted to the boss.
The antenna system of claim 11, wherein the first board is a circuit board, and the second board is a radiating sheet.
The method for assembling an antenna system according to any one of claims 11 to 13, characterized in that it comprises the following steps:

Insert the first retaining member of the bracket into the retaining hole of the first board;

Rotate the bracket so that the positioning pin provided on the first retaining member is inserted into the fixing hole of the first plate body;

Insert the second locking member of the bracket into the locking hole of the second board body;

Rotate the second plate body, so that the positioning pin provided on the second locking member is inserted into the fixing hole of the second plate body.
The method for assembling an antenna system according to claim 14, wherein the specific step of inserting the first retaining member card into the retaining hole of the first board body comprises: inserting the first The boss pair of the locking member is located in the positioning hole of the first plate body, and the first locking arm of the first locking member is inserted into the locking hole of the first plate body .
The method for assembling an antenna system according to claim 14 or 15, wherein after inserting the first retaining member card into the retaining hole of the first board, the first card The elastic arm connected by the position piece is deformed;

After the positioning pin provided with the first locking member is inserted into the fixing hole of the first plate body, the elastic arm connected with the first locking member rebounds .
The method of assembling the antenna system according to claim 14, wherein the specific step of inserting the second retaining member card into the retaining hole of the second board body comprises: inserting the second The boss pair of the locking member is located in the positioning hole of the second plate body, and the first locking arm of the second locking member is inserted into the locking hole of the second plate body .
The method for assembling an antenna system according to claim 14 or 17, wherein after inserting the second retaining member of the bracket into the retaining hole of the second board, the The elastic arm connected to the second retaining member is deformed;

After the positioning pin provided with the second locking member is inserted into the fixing hole of the second plate body, the elastic arm connected with the second locking member rebounds .

To