CN218334325U - Printed circuit board antenna - Google Patents
Printed circuit board antenna Download PDFInfo
- Publication number
- CN218334325U CN218334325U CN202222677592.3U CN202222677592U CN218334325U CN 218334325 U CN218334325 U CN 218334325U CN 202222677592 U CN202222677592 U CN 202222677592U CN 218334325 U CN218334325 U CN 218334325U
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- China
- Prior art keywords
- printed circuit
- circuit board
- copper foil
- joining region
- covers
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Abstract
The utility model relates to a printed circuit board antenna. The utility model discloses a first printed circuit board and second printed circuit board, first printed circuit board lower surface covers has first copper foil and forms the ground plane, first printed circuit board upper surface is equipped with the joining region, first printed circuit board upper surface is in the region outside the joining region covers has the second copper foil, second printed circuit board upper surface covers has the third copper foil, first printed circuit board upper surface passes through the joining region and links to each other with second printed circuit board lower surface, second printed circuit board is equipped with the via hole of lining up its upper surface and lower surface, the via hole surface covers has the fourth copper foil of connecting third copper foil and joining region. The utility model discloses a two superimposed methods of printed circuit board have reduced the space that the antenna occupy, have improved the transmission efficiency of signal furthest, can the wide application in close range wireless network equipment, have and make simply characteristics with low costs.
Description
Technical Field
The utility model belongs to the technical field of the antenna technology among the radio technology and specifically relates to indicate a printed circuit board antenna.
Background
Antennas are important devices for transmitting and receiving electromagnetic waves. The antenna transmits the received signal to a receiver and then outputs. Many products such as routers now require antennas to be installed. Without an antenna, the capability of receiving signals is very poor, and the internet speed is easily influenced. The antenna product is divided into an internal antenna and an external antenna; the external antenna is mostly used in products such as a wireless router and a set-top box, and the internal antenna is mostly used in products such as a mobile phone, a mobile computer and an intelligent home. The printed circuit board antenna is printed on a circuit board, has the advantages of simple manufacture, low cost and the like, and is widely applied to short-distance wireless equipment such as Bluetooth, a wireless mouse and the like.
The existing printed circuit board antenna has a complex structure and a large size, and is difficult to meet market requirements.
Disclosure of Invention
Therefore, the utility model discloses the technical problem that will solve lies in overcoming among the prior art printed circuit board antenna structure complicacy, and the size is great, is difficult to satisfy the problem of market demand.
In order to solve the technical problem, the utility model provides a printed circuit board antenna, including first printed circuit board and second printed circuit board, first printed circuit board lower surface covers there is first copper foil and forms the ground plane, first printed circuit board upper surface is equipped with the joining region, first printed circuit board upper surface is in the region outside the joining region covers there is the second copper foil, second printed circuit board upper surface covers there is the third copper foil, first printed circuit board upper surface passes through the joining region and links to each other with second printed circuit board lower surface, second printed circuit board is equipped with the conducting hole that link up its upper surface and lower surface, the conducting hole surface covers there is the fourth copper foil of connecting third copper foil and joining region.
The utility model discloses an in an embodiment, the joining region is equipped with the first pad that switches on of being connected with the second copper foil, second printed circuit board lower surface is equipped with the second that corresponds with the first pad that switches on and switches on the pad.
In an embodiment of the present invention, the via hole penetrates through the second via pad and the third copper foil.
In an embodiment of the present invention, the first conducting pad and the second conducting pad are connected by a fourth copper foil.
In an embodiment of the present invention, the first and second conductive pads have a shape including one of a circle, a rectangle, or a trapezoid.
In an embodiment of the present invention, the connection area is further provided with a first connection pad, and the second printed circuit board lower surface is provided with a second connection pad corresponding to the first connection pad.
In one embodiment of the present invention, the shape of the first connection pad and the second connection pad includes one of a circle, a rectangle, or a trapezoid.
In an embodiment of the present invention, the first printed circuit board and the second printed circuit board are both high frequency printed circuit boards.
In an embodiment of the present invention, the first printed circuit board and the second printed circuit board are both rectangular structures.
The utility model discloses an in an embodiment, first printed circuit board upper surface still is equipped with PCB matching circuit, PCB matching circuit is connected with coaxial cable.
Compared with the prior art, the technical scheme of the utility model have following advantage:
a printed circuit board antenna, connect through the via hole of covering copper between two printed circuit boards, simple manufacture and size are little, can improve the antenna setting quantity in equipment, have adopted two superimposed methods of printed circuit board to reduce the space that the antenna occupy, have the matching circuit that can adjust in a flexible way simultaneously, furthest has improved the transmission efficiency of signal, can the wide application in closely wireless network equipment, have the characteristics of manufacturing simply, with low costs.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic diagram of the overall structure of the printed circuit board antenna of the present invention.
Fig. 2 is a schematic diagram of a front structure of a first printed circuit board according to the present invention.
Fig. 3 is a schematic diagram of a reverse structure of the first printed circuit board of the present invention.
Fig. 4 is a schematic diagram of a front structure of a second printed circuit board according to the present invention.
Fig. 5 is a schematic diagram of a reverse structure of a second printed circuit board according to the present invention.
Description reference numbers indicate: 1. a first printed circuit board; 11. a first copper foil; 12. a connecting region; 13. a second copper foil; 14. a first conductive pad; 15. a first connection pad; 16. a PCB matching circuit; 17. a coaxial cable; 2. a second printed circuit board; 21. a third copper foil; 22. a via hole; 23. a fourth copper foil; 25. a second conduction pad; 26. and a second connection pad.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 to 5, the utility model discloses a printed circuit board antenna, including first printed circuit board 1 and second printed circuit board 2, 1 lower surface of first printed circuit board covers and has first copper foil 11 and form the ground plane, 1 upper surface of first printed circuit board is equipped with joining region 12, 1 upper surface of first printed circuit board is in the region outside joining region 12 covers there is second copper foil 13, 2 upper surfaces of second printed circuit board cover have third copper foil 21, 1 upper surface of first printed circuit board passes through joining region 12 and links to each other with 2 lower surfaces of second printed circuit board, second printed circuit board 2 is equipped with the via hole 22 that link up its upper surface and lower surface, the surface of via hole 22 covers and has fourth copper foil 23 of connecting third copper foil 21 and joining region 12.
Specifically, the connection region 12 is provided with a first conduction pad 14 connected to the second copper foil 13, and the lower surface of the second printed circuit board 2 is provided with a second conduction pad 25 corresponding to the first conduction pad 14, which can be implemented by SMT.
Specifically, the via hole 22 penetrates through the second via pad 25 and the third copper foil 21.
Specifically, the first and second via pads 14 and 25 are connected by the fourth copper foil 23.
Specifically, the shape of the first and second via pads 14 and 25 includes one of a circle, a rectangle, or a trapezoid.
Specifically, the connection region 12 is further provided with a first connection pad 15, and the lower surface of the second printed circuit board 2 is provided with a second connection pad 26 corresponding to the first connection pad 15, which may be completed by SMT.
Specifically, the shape of the first and second connection pads 15 and 26 includes one of a circle, a rectangle, or a trapezoid.
Specifically, the first printed circuit board 1 and the second printed circuit board 2 are both high-frequency printed circuit boards. The performance of the antenna is improved, meanwhile, the loss of the antenna can be reduced, and the antenna is suitable for products such as mobile phones, mobile computers and smart homes.
Specifically, the first printed circuit board 1 and the second printed circuit board 2 are both rectangular structures.
Specifically, the upper surface of the first printed circuit board 1 is further provided with a PCB matching circuit 16, and the PCB matching circuit 16 is connected with a coaxial cable 17.
A printed circuit board antenna, connect through the via hole 22 that covers copper between two printed circuit boards, simple manufacture and size are little, can improve the antenna installation quantity in equipment, adopted two printed circuit board superimposed methods to reduce the space that the antenna occupy, have the matching circuit that can adjust in a flexible way simultaneously, furthest has improved the transmission efficiency of signal, can wide application in closely wireless network equipment, have the characteristics of making simply, with low costs.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a printed circuit board antenna, its characterized in that includes first printed circuit board (1) and second printed circuit board (2), first printed circuit board (1) lower surface covers has first copper foil (11) and forms the ground plane, first printed circuit board (1) upper surface is equipped with joining region (12), first printed circuit board (1) upper surface is in the region beyond joining region (12) covers has second copper foil (13), second printed circuit board (2) upper surface covers has third copper foil (21), first printed circuit board (1) upper surface passes through joining region (12) and links to each other with second printed circuit board (2) lower surface, second printed circuit board (2) are equipped with through its upper surface and through hole (22) of lower surface, hole (22) surface covers has fourth copper foil (23) of connecting third copper foil (21) and joining region (12).
2. A printed circuit board antenna according to claim 1, characterized in that the connection area (12) is provided with a first via pad (14) connected to a second copper foil (13), and the lower surface of the second printed circuit board (2) is provided with a second via pad (25) corresponding to the first via pad (14).
3. A pcb antenna according to claim 2 wherein the via hole (22) is formed through the second via pad (25) and the third copper foil (21).
4. A printed circuit board antenna according to claim 3, characterized in that the first and second conductive pads (14, 25) are connected by a fourth copper foil (23).
5. A printed circuit board antenna according to claim 2, characterized in that the shape of the first and second conductive pads (14, 25) comprises one of a circle, a rectangle or a trapezoid.
6. A printed circuit board antenna according to claim 1, characterized in that the connection area (12) is further provided with a first connection pad (15), and the lower surface of the second printed circuit board (2) is provided with a second connection pad (26) corresponding to the first connection pad (15).
7. A printed circuit board antenna according to claim 6, characterized in that the shape of the first connection pad (15) and the second connection pad (26) comprises one of a circle, a rectangle or a trapezoid.
8. A printed circuit board antenna according to claim 1, characterized in that the first printed circuit board (1) and the second printed circuit board (2) are high frequency printed circuit boards.
9. A printed circuit board antenna according to claim 1, characterized in that the first printed circuit board (1) and the second printed circuit board (2) are both rectangular structures.
10. A printed circuit board antenna according to claim 1, characterized in that the upper surface of the first printed circuit board (1) is further provided with a PCB matching circuit (16), and the PCB matching circuit (16) is connected with a coaxial cable (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222677592.3U CN218334325U (en) | 2022-10-11 | 2022-10-11 | Printed circuit board antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222677592.3U CN218334325U (en) | 2022-10-11 | 2022-10-11 | Printed circuit board antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218334325U true CN218334325U (en) | 2023-01-17 |
Family
ID=84823524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222677592.3U Active CN218334325U (en) | 2022-10-11 | 2022-10-11 | Printed circuit board antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218334325U (en) |
-
2022
- 2022-10-11 CN CN202222677592.3U patent/CN218334325U/en active Active
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