CN211629298U - Broadband multi-frequency antenna - Google Patents
Broadband multi-frequency antenna Download PDFInfo
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- CN211629298U CN211629298U CN202020518700.0U CN202020518700U CN211629298U CN 211629298 U CN211629298 U CN 211629298U CN 202020518700 U CN202020518700 U CN 202020518700U CN 211629298 U CN211629298 U CN 211629298U
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Abstract
A broadband multi-frequency antenna comprises a plurality of feed pins, a first dielectric sheet, a grounding electrode sheet, a first electrode sheet, a second dielectric sheet, a second electrode sheet, a third dielectric sheet and a third electrode sheet; the first dielectric sheet is provided with a first through hole, the position of the grounding electrode sheet corresponding to the first through hole is provided with a second through hole, the position of the first electrode sheet corresponding to the first through hole is provided with a third through hole, and the first electrode sheet is provided with an annular welding ring at the circumferential outer side of the third through hole; the feed pin penetrates through the second through hole of the grounding electrode plate, the first through hole of the first medium plate and the third through hole of the first electrode plate and is welded with the welding ring to form a raised welding point; and counter bores are concavely arranged at positions, corresponding to the welding spots, on the bottom surface of the second medium sheet, and the welding spots are positioned in the counter bores. Therefore, the structure is simple, the frequency and the impedance are easy to adjust, the cost is low, and a plurality of frequency band signals can be received simultaneously.
Description
Technical Field
The utility model relates to a wireless communication technology field, especially a broadband territory multifrequency antenna.
Background
The GPS antenna, the GLONASS antenna and the Beidou multi-frequency antenna which are used at present are narrow-band antennas, and have the advantages of complex structure, high adjustment difficulty and high cost; and the existing antenna can only receive signals of a single frequency band. With the development of the multi-mode satellite integrated navigation technology, a satellite receiving antenna which has a simple structure, is easy to adjust, has low cost and can simultaneously receive signals of multiple frequency bands is required.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a broadband multi-band antenna with simple structure, easy adjustment of frequency and impedance, low cost and capability of receiving multiple frequency band signals simultaneously, so as to solve the above-mentioned problems.
A broadband multi-frequency antenna comprises a plurality of feed pins, a first dielectric sheet, a ground electrode sheet arranged on the bottom surface of the first dielectric sheet, a first electrode sheet arranged on the top surface of the first dielectric sheet, a second dielectric sheet positioned above the first dielectric sheet and the first electrode sheet, a second electrode sheet arranged on the top surface of the second dielectric sheet, a third dielectric sheet positioned above the second dielectric sheet, and a third electrode sheet arranged on the top surface of the third dielectric sheet; the first dielectric sheet is provided with a first through hole, the position of the grounding electrode sheet corresponding to the first through hole is provided with a second through hole, the position of the first electrode sheet corresponding to the first through hole is provided with a third through hole, and the first electrode sheet is provided with an annular welding ring at the circumferential outer side of the third through hole; the feed pin penetrates through the second through hole of the grounding electrode plate, the first through hole of the first medium plate and the third through hole of the first electrode plate and is welded with the welding ring to form a raised welding point; and counter bores are concavely arranged at positions, corresponding to the welding spots, on the bottom surface of the second medium sheet, and the welding spots are positioned in the counter bores.
Furthermore, a plurality of windows are formed on the first electrode sheet.
Further, the bottom surface of the second dielectric sheet is provided with a first additional electrode sheet.
Further, a second additional electrode sheet is arranged on the bottom surface of the third dielectric sheet.
Furthermore, the first medium sheet and the second medium sheet are bonded through a double-sided bonding sheet.
Furthermore, the second medium sheet and the third medium sheet are bonded through a double-sided bonding sheet.
Further, the first dielectric sheet, the second dielectric sheet and the third dielectric sheet are microwave dielectric ceramic sheets.
Further, the first dielectric sheet, the second dielectric sheet and the third dielectric sheet are glass fiber cloth laminated plates.
Compared with the prior art, the broadband multi-frequency antenna comprises a plurality of feed pins, a first dielectric sheet, a grounding electrode sheet arranged on the bottom surface of the first dielectric sheet, a first electrode sheet arranged on the top surface of the first dielectric sheet, a second dielectric sheet positioned above the first dielectric sheet and the first electrode sheet, a second electrode sheet arranged on the top surface of the second dielectric sheet, a third dielectric sheet positioned above the second dielectric sheet, and a third electrode sheet arranged on the top surface of the third dielectric sheet; the first dielectric sheet is provided with a first through hole, the position of the grounding electrode sheet corresponding to the first through hole is provided with a second through hole, the position of the first electrode sheet corresponding to the first through hole is provided with a third through hole, and the first electrode sheet is provided with an annular welding ring at the circumferential outer side of the third through hole; the feed pin penetrates through the second through hole of the grounding electrode plate, the first through hole of the first medium plate and the third through hole of the first electrode plate and is welded with the welding ring to form a raised welding point; and counter bores are concavely arranged at positions, corresponding to the welding spots, on the bottom surface of the second medium sheet, and the welding spots are positioned in the counter bores. The broadband multi-frequency antenna can greatly increase the passband bandwidth by means of coupling resonance of the first electrode plate on the first dielectric plate, the second electrode plate on the second dielectric plate and the third electrode plate on the third dielectric plate, so that the broadband multi-frequency antenna is simple in structure, easy to adjust frequency and impedance, low in cost and capable of receiving multiple frequency band signals simultaneously.
Drawings
Embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a side cross-sectional view of the broadband multi-band antenna provided by the present invention.
Fig. 2 is a schematic top view of the first dielectric sheet and the first electrode sheet of fig. 1.
Fig. 3 is a side view of the second dielectric sheet and the second electrode sheet of fig. 1.
Fig. 4 is a schematic top view of the second dielectric sheet and the second electrode sheet of fig. 3.
Detailed Description
The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 1, the present invention provides a broadband multi-band antenna including a plurality of feeding pins 1, a first dielectric sheet 2, a grounding electrode sheet 3 disposed on the bottom surface of the first dielectric sheet 2, a first electrode sheet 4 disposed on the top surface of the first dielectric sheet 2, a second dielectric sheet 5 disposed above the first dielectric sheet 2 and the first electrode sheet 4, a second electrode sheet 6 disposed on the top surface of the second dielectric sheet 5, a third dielectric sheet 9 disposed above the second dielectric sheet 5, and a third electrode sheet 10 disposed on the top surface of the third dielectric sheet 9.
Referring to fig. 2, the first dielectric sheet 2 is provided with a first through hole 21, the grounding electrode sheet 3 is provided with a second through hole at a position corresponding to the first through hole 21, and the first electrode sheet 4 is provided with a third through hole at a position corresponding to the first through hole 21. The first electrode sheet 4 is provided with an annular weld ring 71 on the outer side in the circumferential direction of the third through hole.
The feed pin 1 penetrates through the second through hole of the grounding electrode plate 3, the first through hole 21 of the first dielectric plate 2 and the third through hole of the first electrode plate 4 and is welded with the welding ring 71 to form a raised welding point 7. Thus, the first electrode plate 4 realizes the outgoing feed through the feed pin 1.
The first electrode plate 4 is provided with a plurality of windows, so that the frequency and the impedance can be conveniently adjusted.
Referring to fig. 3 and 4, a counterbore 12 is recessed in a position of the bottom surface of the second dielectric sheet 5 corresponding to the welding spot 7, and the welding spot 7 is located in the counterbore 12. The counter bore 12 can play the roles of avoiding, preventing interference and positioning the welding spot 7.
The first electrode plate 4 and the second electrode plate 6, and the third electrode plate 10 and the second electrode plate 6 are fed by electromagnetic coupling.
Referring again to fig. 1, the second dielectric sheet 5 may further have a first additional electrode sheet 8 on the bottom surface thereof, and the third dielectric sheet 9 may further have a second additional electrode sheet 11 on the bottom surface thereof. The first additional electrode pad 8 and the second additional electrode pad 11 can further increase the receivable frequency band signals, so that more frequency band signals can be received in a smaller volume.
The first medium sheet 2 and the second medium sheet 5 or the second medium sheet 5 and the third medium sheet 9 are bonded through a double-sided bonding sheet; or simply stacked together and fixed by other fasteners.
The first dielectric sheet 2, the second dielectric sheet 5, and the third dielectric sheet 9 in the wide bandwidth antenna may be microwave dielectric ceramic sheets, glass fiber cloth laminates, etc., and the first electrode sheet 4, the second electrode sheet 6, the third electrode sheet 10, the first additional electrode sheet 8, and the second additional electrode sheet 11 may be copper, silver, etc., and are manufactured on the first dielectric sheet 2, the second dielectric sheet 5, or the third dielectric sheet 9 by printing, sintering, etc.
Compared with the prior art, the broadband multi-frequency antenna of the utility model comprises a plurality of feed pins 1, a first dielectric sheet 2, a grounding electrode sheet 3 arranged on the bottom surface of the first dielectric sheet 2, a first electrode sheet 4 arranged on the top surface of the first dielectric sheet 2, a second dielectric sheet 5 positioned above the first dielectric sheet 2 and the first electrode sheet 4, a second electrode sheet 6 arranged on the top surface of the second dielectric sheet 5, a third dielectric sheet 9 positioned above the second dielectric sheet 5, and a third electrode sheet 10 arranged on the top surface of the third dielectric sheet 9; the first dielectric sheet 2 is provided with a first through hole 21, the position of the grounding electrode sheet 3 corresponding to the first through hole 21 is provided with a second through hole, the position of the first electrode sheet 4 corresponding to the first through hole 21 is provided with a third through hole, and the first electrode sheet 4 is provided with an annular welding ring 71 at the circumferential outer side of the third through hole; the feed pin 1 penetrates through the second through hole of the grounding electrode plate 3, the first through hole 21 of the first medium plate 2 and the third through hole of the first electrode plate 4 and is welded with the welding ring 71 to form a raised welding point 7; the bottom surface of the second medium sheet 5 is concavely provided with a counter bore 12 corresponding to the position of the welding spot 7, and the welding spot 7 is positioned in the counter bore 12. The broadband multi-frequency antenna can greatly increase the passband bandwidth by means of coupling resonance of the first electrode plate on the first dielectric plate, the second electrode plate on the second dielectric plate and the third electrode plate on the third dielectric plate, so that the broadband multi-frequency antenna is simple in structure, easy to adjust frequency and impedance, low in cost and capable of receiving multiple frequency band signals simultaneously. The broadband multi-frequency antenna can simultaneously receive signals of a plurality of frequency bands and can greatly increase the bandwidth of a pass band.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (8)
1. A broadband multi-frequency antenna, characterized in that: the feed electrode plate comprises a plurality of feed pins, a first medium plate, a ground electrode plate arranged on the bottom surface of the first medium plate, a first electrode plate arranged on the top surface of the first medium plate, a second medium plate positioned above the first medium plate and the first electrode plate, a second electrode plate arranged on the top surface of the second medium plate, a third medium plate positioned above the second medium plate and a third electrode plate arranged on the top surface of the third medium plate; the first dielectric sheet is provided with a first through hole, the position of the grounding electrode sheet corresponding to the first through hole is provided with a second through hole, the position of the first electrode sheet corresponding to the first through hole is provided with a third through hole, and the first electrode sheet is provided with an annular welding ring at the circumferential outer side of the third through hole; the feed pin penetrates through the second through hole of the grounding electrode plate, the first through hole of the first medium plate and the third through hole of the first electrode plate and is welded with the welding ring to form a raised welding point; and counter bores are concavely arranged at positions, corresponding to the welding spots, on the bottom surface of the second medium sheet, and the welding spots are positioned in the counter bores.
2. The wideband multi-frequency antenna of claim 1, wherein: the first electrode sheet is provided with a plurality of windows.
3. The wideband multi-frequency antenna of claim 1, wherein: and a first additional electrode plate is arranged on the bottom surface of the second dielectric sheet.
4. The wideband multi-frequency antenna of claim 1, wherein: and a second additional electrode plate is arranged on the bottom surface of the third medium plate.
5. The wideband multi-frequency antenna of claim 1, wherein: the first medium sheet and the second medium sheet are bonded through a double-sided bonding sheet.
6. The wideband multi-frequency antenna of claim 1, wherein: the second medium sheet and the third medium sheet are bonded through a double-sided bonding sheet.
7. The wideband multi-frequency antenna of claim 1, wherein: the first dielectric sheet, the second dielectric sheet and the third dielectric sheet are microwave dielectric ceramic sheets.
8. The wideband multi-frequency antenna of claim 1, wherein: the first medium sheet, the second medium sheet and the third medium sheet are glass fiber cloth laminated plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518700.0U CN211629298U (en) | 2020-04-08 | 2020-04-08 | Broadband multi-frequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518700.0U CN211629298U (en) | 2020-04-08 | 2020-04-08 | Broadband multi-frequency antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211629298U true CN211629298U (en) | 2020-10-02 |
Family
ID=72622060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020518700.0U Active CN211629298U (en) | 2020-04-08 | 2020-04-08 | Broadband multi-frequency antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211629298U (en) |
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2020
- 2020-04-08 CN CN202020518700.0U patent/CN211629298U/en active Active
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