Antenna pad structure of communication router

Abstract

The present invention relates to an antenna pad structure of a communication router, which is arranged on a circuit board. The antenna pad structure includes a signal line connection point arranged at the end of a signal line on the circuit board, a first welding rod arranged on both sides of the signal line connection point, a second welding rod connected to one end of the two first welding rods, and a third welding rod connected to the other end of the two first welding rods; the two first welding rods are arranged opposite to each other; a gap is left between the inner edge of the second welding rod and the signal line connection point; the two third welding rods are inclined and the ends of the two third welding rods are arranged close to each other and an opening corresponding to the signal line connection point is formed between them; the first welding rod, the second welding rod and the third welding rod are connected into an integral structure, and a grounding point is provided. The present invention is provided with a plurality of welding rods on the periphery of the signal line connection point, and the plurality of welding rods are connected into an integral structure, which is conducive to welding operation, is convenient to produce and process, and has compatibility, and can meet the two structural forms of the antenna.

Description

Technical Field

[0001] The present invention relates to the technical field of pad structures, and in particular to an antenna pad structure of a communication router. Background Art

[0002] The antenna pad on the router circuit board is used to connect the antenna. There are usually two structural forms. One is to directly solder the antenna to the circuit board, and the other is to set an antenna seat on the circuit board and use the antenna seat to connect the antenna. When designing the antenna pad of the router circuit board, multiple grounding points are set on the periphery of the connection of the antenna. The existing antenna pad structure has poor RF matching when soldering the antenna. The S11 parameter is -6db in the wireless 5.15 to 5850 frequency band, which cannot meet the design requirements. In addition, multiple grounding points are also inconvenient during production and processing. For this reason, it is urgent to provide a new solution. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide an antenna pad structure for a communication router to solve the problems of the existing antenna pad structure, such as poor RF matching, failure to meet design requirements and inconvenient production and processing.

[0004] The technical solution to achieve the above purpose is:

[0005] The present invention provides an antenna pad structure of a communication router, which is arranged on a circuit board, and the antenna pad structure includes a signal line connection point arranged at the end of a signal line on the circuit board, a first welding rod arranged on both sides of the signal line connection point, a second welding rod connected to one end of two first welding rods, and a third welding rod connected to the other end of the two first welding rods;

[0006] Two first welding electrodes are arranged opposite to each other;

[0007] A gap is left between the inner edge of the second welding rod and the connection point of the signal line;

[0008] The two third welding rods are inclined, and the ends of the two third welding rods are arranged close to each other and an opening corresponding to the connection point of the signal line is formed therebetween;

[0009] The first welding rod, the second welding rod and the third welding rod are connected into an integrated structure, and the first welding rod, the second welding rod and the third welding rod are all provided with a grounding point.

[0010] The antenna pad structure of the present invention is provided with a plurality of welding rods on the periphery of the signal line connection point, and the plurality of welding rods are connected into an integral structure, which is conducive to welding operation and is convenient to produce and process. In addition, a gap is left between the second welding rod and the signal line connection point, so that the center of the antenna seat can be located on the circuit board, and when the antenna seat is not set, the signal line connection point can be directly welded to the antenna, which is compatible and can meet the two structural forms of the antenna. After the antenna or the antenna seat is connected, the RF matching meets the requirements, and the S11 parameter is less than -10db in the wireless frequency band of 5.15 to 5850.

[0011] A further improvement of the antenna pad structure of the communication router of the present invention is that the second welding rod is arranged perpendicular to the first welding rod.

[0012] A further improvement of the antenna pad structure of the communication router of the present invention is that a reinforcing block is provided at the connection between the first welding rod and the second welding rod near the connection point of the signal line.

[0013] A further improvement of the antenna pad structure of the communication router of the present invention is that a connecting welding rod is connected to the armpit block, the connecting welding rod partially overlaps with the armpit block, a first gap is left between the top of the connecting welding rod and the second welding rod, and a second gap is left between the side of the connecting welding rod and the first welding rod.

[0014] A further improvement of the antenna pad structure of the communication router of the present invention is that it also includes an antenna connected to the signal line connection point, wherein a portion of the antenna is located between the two connecting welding rods and a portion passes through the second welding rod and is connected to the second welding rod.

[0015] A further improvement of the antenna pad structure of the communication router of the present invention is that it also includes an antenna seat connected between two connecting welding rods, the top edge of the antenna seat is close to the inner edge of the second welding rod, and the bottom of the antenna seat is connected to the signal line connection point.

[0016] A further improvement of the antenna pad structure of the communication router of the present invention is that the antenna seat includes a bottom plate, a connecting column arranged on the top surface of the bottom plate, and a connecting belt arranged on the bottom surface of the bottom plate, and a through hole is arranged in the middle of the bottom plate;

[0017] The outer periphery of the connecting column is provided with an annular groove;

[0018] The side portion of the bottom plate corresponding to the connecting welding rod is provided with a strip plate for connecting with the connecting welding rod;

[0019] The connection belt is partially attached to the bottom surface of the bottom plate, and another part of the connection belt passes through the through hole to form a curved portion located inside the connection column.

[0020] A further improvement of the antenna pad structure of the communication router of the present invention is that a grounding point is provided on the strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the antenna pad structure of the communication router of the present invention.

[0022] Figure 2 It is a structural schematic diagram of a welded antenna in the antenna pad structure of the communication router of the present invention.

[0023] Figure 3 It is a schematic diagram of the structure of connecting the antenna seat in the antenna pad structure of the communication router of the present invention.

[0024] Figure 4 It is a side view of the antenna seat in the antenna pad structure of the communication router of the present invention.

[0025] Figure 5 The top view of the antenna seat in the antenna pad structure of the communication router of the present invention.

[0026] Figure 6 for Figure 5 Sectional view of AA. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0028] See also Figure 1 The present invention provides an antenna pad structure of a communication router, which is compatible with two antenna connection structures, that is, it can be directly welded to the antenna, and it can also be installed with an antenna seat and connected to the antenna using the antenna seat. The antenna pad structure of the present invention has a miniaturized design, occupies a small space, and the radio frequency matching meets the requirements. In the wireless 5.15 to 5850 frequency band, the S11 parameter is less than -10db. The design of the pad structure is convenient for soldering and tinning, which is beneficial to factory production and processing. The antenna pad structure of the communication router of the present invention is described below in conjunction with the accompanying drawings.

[0029] See also Figure 1 , showing a schematic diagram of the structure of the antenna pad structure of the communication router of the present invention. Figure 1 , the antenna pad structure of the communication router of the present invention is described.

[0030] like Figure 1The antenna pad structure 20 of the communication router of the present invention is arranged on the circuit board 10, and the antenna pad structure 20 includes a signal line connection point 21, a first welding rod 22, a second welding rod 23 and a third welding rod 24, wherein the signal line connection point 21 is arranged at the end of the signal wiring 11 on the circuit board 10, and the signal line connection point 21 is electrically connected to the signal wiring 11; there are two first welding rods 22, and the two first welding rods 22 are arranged on both sides of the signal line connection point 21, and the two first welding rods 22 are arranged opposite to each other; the second welding rod 23 and the two first welding rods 22 One end of the second welding rod 23 is connected, and a gap 25 is left between the inner edge of the second welding rod 23 and the signal line connection point 21; there are also two third welding rods 24, and the two third welding rods 24 are connected to the other end of the corresponding first welding rod 21, the two third welding rods 24 are inclined, and the ends of the two third welding rods 24 are arranged close to each other and directly form an opening corresponding to the signal line connection point 21; the first welding rod 22, the second welding rod 23 and the third welding rod 24 are connected into an integral structure, and the first welding rod 22, the second welding rod 23 and the third welding rod 24 are all provided with grounding points.

[0031] The first welding rod 22, the second welding rod 23 and the third welding rod 24 are an integrated structure, which is conducive to welding operation and more convenient for production and processing. A gap is left between the second welding rod 23 and the signal line connection point 21, so that the pad structure is compatible and can be connected to both the antenna base and the antenna. After connection, it can meet the RF matching requirements. In the wireless 5.15 to 5850 frequency band, the S11 parameter is less than -10db.

[0032] In a specific embodiment of the present invention, Figure 1 As shown, the second welding rod 23 is arranged perpendicular to the first welding rod 22, so that the second welding rod 23 is connected with the two first welding rods 22 to form a gate-shaped structure.

[0033] Furthermore, an armpit block 27 is provided at the connection between the first welding electrode 22 and the second welding electrode 23 near the signal line connection point 21 , and the armpit block 27 is provided on the inner side of the first welding electrode 22 and the second welding electrode 23 .

[0034] Preferably, the first welding rod 22 , the second welding rod 23 and the third welding rod 24 are provided with six grounding points, two of which are provided on the armpit block 27 , another two are provided on the first welding rod 22 , and another two are provided on the third welding rod 24 .

[0035] Furthermore, a connecting welding rod 28 is connected to the armpit block 27 , and the connecting welding rod 28 partially overlaps with the armpit block 27 . A first gap 291 is left between the top of the connecting welding rod 28 and the second welding rod 23 , and a second gap 292 is left between the side of the connecting welding rod 28 and the first welding rod 22 .

[0036] Preferably, the connecting welding rod 28 is rectangular. Two connecting welding rods 28 are located on both sides of the signal line connection point 21 .

[0037] In a specific embodiment of the present invention, Figure 2 As shown, it also includes an antenna 31 connected to the signal line connection point 21 , a portion of the antenna 31 is located between the two connecting welding rods 22 , and a portion of the antenna 31 passes through the second welding rod 23 and is connected to the second welding rod 23 .

[0038] Preferably, the first welding rod, the second welding rod, the third welding rod, the armpit block and the connecting welding rod are all formed of solder.

[0039] In a specific embodiment of the present invention, Figure 3 As shown, it also includes an antenna base 32 connected between the two connecting welding rods 28 , the top edge of the antenna base 32 is close to the inner edge of the second welding rod 23 , and the bottom of the antenna base 32 is connected to the signal line connection point 21 .

[0040] Specifically, the top of the antenna seat 32 is located in the first gap 291 .

[0041] After the antenna seat 32 is provided, a snap-fit ​​seat adapted to the antenna seat 32 is provided at the end of the antenna, and the antenna can be snap-fitted to the antenna seat 32 via the snap-fit ​​seat.

[0042] like Figures 4 to 6 As shown, the antenna seat 32 includes a base plate 321, a connecting column 322 arranged on the top surface of the base plate 321, and a connecting belt 323 arranged on the bottom surface of the base plate 321. A through hole 3211 is provided in the middle of the base plate 321; an annular groove 3221 is provided on the outer periphery of the connecting column 322; a strip plate 324 for connecting to the connecting welding rod is provided on the side of the base plate 321 corresponding to the connecting welding rod; a part of the connecting belt 323 is attached to the bottom surface of the base plate 321, and a part of the connecting belt 323 passes through the through hole 3211 to form a curved portion located in the connecting column 322.

[0043] Three grounding points are provided at the bottom of the bottom plate 321 , one grounding point is provided at the side where the bottom plate 321 is connected to the signal line connection point 21 , and the other two grounding points are provided at the strip plate 324 .

[0044] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. An antenna pad structure of a communication router, arranged on a circuit board, characterized in that: The antenna pad structure includes a signal line connection point arranged at the end of the signal line on the circuit board, a first welding rod arranged on both sides of the signal line connection point, a second welding rod connected to one end of the two first welding rods, and a third welding rod connected to the other end of the two first welding rods; Two first welding electrodes are arranged opposite to each other; A gap is left between the inner edge of the second welding rod and the connection point of the signal line; The two third welding rods are inclined, and the ends of the two third welding rods are arranged close to each other and an opening corresponding to the connection point of the signal line is formed therebetween; The first welding rod, the second welding rod and the third welding rod are connected into an integral structure, and the first welding rod, the second welding rod and the third welding rod are all provided with a grounding point; The second welding rod is arranged perpendicularly to the first welding rod; A reinforcing block is provided at the connection point between the first welding rod and the second welding rod close to the connection point of the signal line; A connecting welding rod is connected to the armpit block, the connecting welding rod partially overlaps with the armpit block, a first gap is left between the top of the connecting welding rod and the second welding rod, and a second gap is left between the side of the connecting welding rod and the first welding rod; Also included is an antenna connected to the signal line connection point, wherein a portion of the antenna is located between the two connecting welding rods, and a portion of the antenna passes through the second welding rod and is connected to the second welding rod; Alternatively, the antenna base may also be connected between the two connecting welding rods, wherein the top edge of the antenna base is close to the inner edge of the second welding rod, and the bottom of the antenna base is connected to the signal line connection point; The antenna seat comprises a bottom plate, a connecting column arranged on the top surface of the bottom plate, and a connecting belt arranged on the bottom surface of the bottom plate, and a through hole is arranged in the middle of the bottom plate; The outer periphery of the connecting column is provided with an annular groove; The side portion of the bottom plate corresponding to the connecting welding rod is provided with a strip plate for connecting with the connecting welding rod; The connecting belt is partially attached to the bottom surface of the bottom plate, and the connecting belt also partially passes through the through hole and forms a curved portion located inside the connecting column; A grounding point is arranged on the strip.

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