CN213026491U - Support SMD paster antenna of two frequency channels - Google Patents
Support SMD paster antenna of two frequency channels Download PDFInfo
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- CN213026491U CN213026491U CN202022444996.9U CN202022444996U CN213026491U CN 213026491 U CN213026491 U CN 213026491U CN 202022444996 U CN202022444996 U CN 202022444996U CN 213026491 U CN213026491 U CN 213026491U
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Abstract
The utility model discloses a support SMD paster antenna of two frequency channels, including the antenna main part, the inside packing of antenna main part has the medium substrate, the both ends of antenna main part have set gradually feed pad and switching pad, feed pad, switching pad are can SMT welded exposed metal covering, the top of antenna main part is provided with first microstrip and walks the line, the line is walked to third microstrip to the bottom of antenna main part has set gradually the second microstrip, run through its top and bottom in proper order and have set gradually first connect the via hole and second connect the via hole in the antenna main part, first connect the via hole, second connect the via hole branch row in both ends about the antenna main part. The utility model discloses can produce two resonances simultaneously and support two frequency channels on an antenna major structure to let SMD patch antenna can be applied to the scene that needs support two frequency channels simultaneously, like WIFI (2.4G +5G), GSM etc.
Description
Technical Field
The utility model relates to a patch antenna technical field especially relates to a support SMD patch antenna of two frequency channels.
Background
SMD paster antenna can realize automatic assembly through automatic SMT paster welding process, and the manual assembly mode of traditional antenna has the characteristics of low-cost low defective rate relatively.
At present, most common SMD patch antennas usually only support a single frequency band, such as Bluetooth patch antennas, and are difficult to support in a scenario that part of the antennas are required to support two frequency bands simultaneously, such as WIFI (2.4G +5G), GSM and the like.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: at present, most of common SMD patch antennas only support a single frequency band, and further provide an SMD patch antenna supporting two frequency bands.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a support SMD paster antenna of two frequency channels, includes antenna main part, the inside packing of antenna main part has the dielectric substrate, antenna main part's both ends have set gradually feed pad and switching pad, feed pad, switching pad are can SMT welded exposed metal covering, antenna main part's top is provided with first microstrip and walks the line, antenna main part's bottom has set gradually the second microstrip and walks the line, the third microstrip is walked the line, run through its top and bottom in proper order and have set gradually first connect the via hole and second connect the via hole in antenna main part, first connect the via hole, second connect the via hole branch list in antenna main part's both ends about.
The utility model has the advantages that: 1. the patch antenna can generate two resonances on one antenna main body structure to support two frequency bands, so that the SMD patch antenna can be applied to scenes needing to support two frequency bands simultaneously, such as WIFI (2.4G +5G), GSM and the like;
2. the SMT patch antenna can automatically perform SMT patch welding, and assembly cost and reject ratio are reduced.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic view of one of the connection modes of the present invention.
In the figure: the antenna comprises an antenna body 1, a feed bonding pad 2, a transfer bonding pad 3, a first microstrip line 4, a second microstrip line 5, a third microstrip line 6, a first connecting through hole 7, a second connecting through hole 8, a feed signal line 9, a clearance area 10 and a region spread 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, an SMD patch antenna supporting two frequency bands includes an antenna main body 1, a dielectric substrate is filled in the antenna main body 1, the shape of the dielectric substrate is not fixed, the material of the dielectric substrate is any one of PCB, FR4, fiberglass board, semi-fiberglass board, aluminum substrate, rogers board, ceramic board, phenolic resin board, epoxy resin board, and composite material board, and a feeding pad 2 is an exposed metal surface which is distributed on the top, bottom, and side of the antenna main body 1 at the same time and can be SMT welded. The transfer welding plate 3 is a bare metal surface which is distributed on the top, the bottom and the side of the antenna body 1 at the same time and can be welded by SMT. The feeding pad 2 and the transit pad 3 are respectively located at both ends of the antenna body 1.
The first microstrip line 4 is a metal microstrip line located on the top of the antenna main body 1, one end of the first microstrip line 4 is connected with the top metal of the feed pad 2, and the other end of the first microstrip line 4 is connected with the top metal of the adapter pad 3.
The second microstrip line 5 is a metal microstrip line located at the bottom of the antenna main body 1, one end of the second microstrip line 5 is connected with the bottom metal of the adapter pad 3, and the other end of the second microstrip line 5 is suspended and is not connected with any structure.
The third microstrip line 6 is a metal microstrip line located at the bottom of the antenna main body 1, one end of the third microstrip line 6 is connected with the bottom metal of the feed pad 2, and the other end of the third microstrip line 6 is suspended and is not connected with any structure.
The trace shapes of the first microstrip trace 4, the second microstrip trace 5 and the third microstrip trace 6 are only an example illustration, and the shapes and lengths of the microstrip traces may be various.
Example 2
Referring to fig. 2, an SMD patch antenna supporting two frequency bands includes an antenna main body 1, a dielectric substrate is filled in the antenna main body 1, the shape of the dielectric substrate is not fixed, the dielectric substrate is made of any one of PCB, FR4, fiberglass board, half fiberglass board, aluminum substrate, rogers board, ceramic board, phenolic resin board, epoxy resin board, and composite material board, and a feeding pad 2 is an exposed metal surface that is only located at the bottom of the antenna main body 1 and can be soldered by SMT. The transfer pad 3 is also a bare metal surface which is only positioned at the bottom of the antenna body 1 and can be welded by SMT. The feeding pad 2 and the transit pad 3 are located at both ends of the bottom of the antenna body 1.
The first and second connection through holes 7 and 8 are metal connection holes penetrating the top and bottom of the antenna body 1. One end of the first connection through hole 7 is connected to the feeding pad 2 at the bottom, and the other end of the first connection through hole 7 is connected to the first microstrip line 4 at the top of the antenna body 1. One end of the second connecting through hole 8 is connected with the adapting bonding pad 3 at the bottom, and the other end of the second connecting through hole 8 is connected with the first microstrip line 4 at the top of the antenna main body 1.
The first microstrip line 4 is a metal microstrip line located on the top of the antenna main body 1, one end of the first microstrip line 4 is connected with the first connecting through hole 7, and the other end of the first microstrip line 4 is connected with the second connecting through hole 8.
The second microstrip line 5 is a metal microstrip line located at the bottom of the antenna main body 1, one end of the second microstrip line 5 is connected with the adapting bonding pad 3, and the other end of the second microstrip line 5 is suspended and is not connected with any structure.
The third microstrip line 6 is a metal microstrip line located at the bottom of the antenna main body 1, one end of the third microstrip line 6 is connected with the feed pad 2, and the other end of the third microstrip line 6 is suspended and is not connected with any structure.
The trace shapes of the first microstrip trace 4, the second microstrip trace 5 and the third microstrip trace 6 are only an example illustration, and the shapes and lengths of the microstrip traces may be various.
The embodiment of the utility model discloses an in 1, 2, this patch antenna can be at the structural two frequency channels of two resonance support of producing simultaneously of an antenna main part 1 to let SMD patch antenna can be applied to the scene that needs support two frequency channels simultaneously, like WIFI (2.4G +5G), GSM etc. and this patch antenna can automize SMT paster welding, reduced assembly cost and defective rate.
Example 3
Referring to fig. 3, the SMD patch antenna is soldered on a PCB circuit board when in use, and the PCB circuit board is composed of a clearance area 10 and a ground area 11. The patch antenna is welded on a PCB pad of the clearance area 10, one end of a feed signal wire 9 on the PCB is connected to the feed pad 2, and the other end of the feed signal wire 9 is connected with a radio frequency signal end on the PCB circuit board. There may also be an impedance matching device network on the feed signal trace 9 on the PCB circuit board for adjustment of patch antenna impedance matching. Fig. 3 is only an example of an application of the SMD patch antenna according to the present invention, and the SMD patch antenna may have other connection modes with the circuit board.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (1)
1. An SMD patch antenna supporting two frequency bands comprises an antenna body (1), it is characterized in that the antenna body (1) is filled with a dielectric substrate, two ends of the antenna body (1) are sequentially provided with a feed pad (2) and a switching pad (3), the feed bonding pad (2) and the transfer bonding pad (3) are all exposed metal surfaces which can be welded by SMT, a first microstrip line (4) is arranged at the top of the antenna main body (1), a second microstrip line (5) and a third microstrip line (6) are sequentially arranged at the bottom of the antenna main body (1), a first connecting through hole (7) and a second connecting through hole (8) are sequentially arranged on the antenna main body (1) through the top and the bottom of the antenna main body, the first connecting through hole (7) and the second connecting through hole (8) are respectively arranged at the left end and the right end of the antenna main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022444996.9U CN213026491U (en) | 2020-10-28 | 2020-10-28 | Support SMD paster antenna of two frequency channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022444996.9U CN213026491U (en) | 2020-10-28 | 2020-10-28 | Support SMD paster antenna of two frequency channels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213026491U true CN213026491U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022444996.9U Active CN213026491U (en) | 2020-10-28 | 2020-10-28 | Support SMD paster antenna of two frequency channels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213026491U (en) |
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2020
- 2020-10-28 CN CN202022444996.9U patent/CN213026491U/en active Active
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