CN219643113U - Dual-frenquency double-sided antenna - Google Patents
Dual-frenquency double-sided antenna Download PDFInfo
- Publication number
- CN219643113U CN219643113U CN202320515864.1U CN202320515864U CN219643113U CN 219643113 U CN219643113 U CN 219643113U CN 202320515864 U CN202320515864 U CN 202320515864U CN 219643113 U CN219643113 U CN 219643113U
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- antenna
- dual
- parasitic
- double
- sided
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- 230000003071 parasitic effect Effects 0.000 claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The utility model relates to the technical field of antennas, in particular to a double-frequency double-sided antenna, wherein an antenna main board of the double-sided antenna is formed by continuous three sides by a ground copper sheet, surrounding the coupling capacitor, the 2.4GHZ, the 5GHz double-frequency chip antenna and the antenna feeder line, the first parasitic antenna and the second parasitic antenna, the ground copper sheet at the bottom of the front surface of the antenna main board is provided with an opening, the welding microstrip line is connected with the WIFI/BT chip end, extends from the opening to the inside and is connected with one end of the antenna feeder line, the antenna feeder other end is connected 2.4GHZ, 5GHz dual-frenquency chip antenna bottom, 2.4GHZ, 5GHz dual-frenquency chip antenna top with coupling capacitor one end links to each other, the coupling capacitor other end is connected ground copper sheet, and antenna motherboard's front sets up first parasitic antenna, and the back sets up the second parasitic antenna, has not only practiced thrift the space that dual-frenquency antenna occupy, has still avoided the single face to the interference problem that the parasitic antenna caused, under the circumstances of being restricted by the space, can satisfy user's demand, practical value is high.
Description
Technical Field
The utility model relates to the technical field of antennas, in particular to a double-frequency double-sided antenna.
Background
The current bluetooth and WIFI functional requirements are spread throughout the end product. With the development of electronic technology, the terminal product is required to be small and precise in shape, and higher requirements are put forward for small-area high-performance Bluetooth and WIFI antennas.
An antenna generally refers to a conductor that is exposed in space. The conductor can be used as an antenna when the length of the conductor is a specific ratio or integral multiple of the signal wavelength. This condition is referred to as "resonance" because the electrical energy provided to the antenna is emitted into space. Depending on the wavelength, the antenna may be as long as the FM antenna of the car or as short as the trace on the signal buoy. For 2.4G and 5G applications, most antennas are classified into wire antennas, PCB antennas and chip antennas, wherein dual-frequency antennas are involved, two astronomical phenomena with different frequencies are packaged in one antenna shell, which not only occupies too much space, but also is limited in design.
Disclosed in CN216980872U is a WIFI double-sided PCB dual frequency antenna comprising: the PCB main board, two sides of said PCB main board have first antenna element and second antenna element; the coaxial cable comprises at least two coaxial cables, wherein one end of the coaxial cable is a socket end, and the other end of the coaxial cable is a connecting end; the connection ends of the coaxial cables are respectively and electrically connected with the welding ends of the first antenna element and the second antenna element.
The double-sided double-frequency antenna is based on a PCB wiring on a PCB main board, a first antenna of 2.4G and a second antenna of 5G are arranged on two sides of the PCB main board, and copper foil materials are used as conductors of the PCB main board. The main problem of the utility model is that the PCB antenna has a large required area in practical use, and is limited according to the shape and the installation space.
Meanwhile, in the prior art, besides the PCB antenna, a chip antenna is also used, wherein the chip antenna is an antenna with a conductor, and the antenna and the conductor are assembled in a small IC package, so that a large amount of space can be saved for printing the PCB antenna and supporting the 3D wire antenna. In the existing chip antennas, the parasitic 2.4G antennas and the 5G antennas are mostly opposite to each other with one side, and the parasitic antennas are easy to form electric dipole antennas due to voltage driving, so that radiation electromagnetic interference is caused.
Disclosure of Invention
The utility model aims to overcome the defect that the double-sided double-frequency PCB antenna in the prior art occupies a larger space, and when a chip antenna is single-sided to a parasitic 2.4G antenna and a 5G antenna, interference formed between the antennas is avoided, and provides a double-sided double-frequency antenna.
In order to achieve the above object, the present utility model provides the following technical solutions:
the double-frequency double-sided antenna is characterized by comprising an antenna main board, wherein the antenna main board comprises a continuous trilateral surrounding coupling capacitor, a 2.4GHZ double-frequency chip antenna, a 5GHz double-frequency chip antenna and an antenna feeder line, a first parasitic antenna and a second parasitic antenna, the ground copper at the front bottom of the antenna main board is provided with an opening, a welding microstrip line is connected with a WIFI/BT chip end, the welding microstrip line extends from the opening to the inside and is connected with one end of the antenna feeder line, the other end of the antenna feeder line is connected with the bottom of the 2.4GHZ double-frequency chip antenna and the bottom of the 5GHz double-frequency chip antenna, the tops of the 2.4GHZ double-frequency chip antenna and the 5GHz double-frequency chip antenna are connected with one end of the coupling capacitor, and the other end of the coupling capacitor is connected with the ground copper;
the first parasitic antenna comprises A, B blocks, the left side of the opening at the bottom of the front face of the antenna main board is provided with an A block connected with a ground copper sheet, one end of a B block is connected with the antenna feeder line, and the other end of the B block is connected with the ground copper sheet;
the second parasitic antenna is arranged on the back of the antenna main board, is welded and conducted with the connecting point, and is welded and conducted with the antenna feeder line.
In a further improvement of the utility model, the connecting spot is welded on the antenna main board
According to a further improvement of the utility model, the antenna feeder is L-shaped.
In a further development of the utility model, the first parasitic antenna a block is larger in shape than the B block.
In a further improvement of the present utility model, the first parasitic antenna is a 2.4GHz parasitic antenna.
In a further development of the utility model, the second parasitic antenna is a 5GHz parasitic antenna.
In a further development of the utility model, the second parasitic antenna has an L-shape.
According to the utility model, the antenna main board is an FR4 high TG board.
Compared with the prior art, the utility model has the beneficial effects that:
according to the dual-frequency double-sided antenna disclosed by the utility model, the 2.4GHz parasitic antenna and the 5GHz parasitic antenna are respectively arranged on the front surface and the back surface of the antenna main board, so that compared with the existing dual-frequency antenna, the occupied space is saved, the structure is simple and reasonable, and meanwhile, the problem of radiation electromagnetic interference caused by single side to the parasitic antenna is solved.
Drawings
FIG. 1 is a front view block diagram of the present utility model;
FIG. 2 is a rear view block diagram of the present utility model;
the marks in the figure: the 1-microstrip line is connected with the WIFI/BT chip end, the 2-antenna feeder line, the 3-connection point, the 4-first parasitic antenna, the 5-2.4GHz and 5GHz dual-frequency chip antenna, the 6-coupling capacitor, the 7-second parasitic antenna and the 8-ground copper sheet.
Detailed Description
The present utility model will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present utility model is limited to the following embodiments, and all techniques realized based on the present utility model are within the scope of the present utility model.
Example 1
The utility model provides a double-sided antenna, referring to fig. 1, which is a main view structure diagram of the utility model, wherein an antenna main board is formed by a ground copper sheet 8 to form a continuous three-side surrounding coupling capacitor 6, a 2.4GHZ and 5GHz double-frequency chip antenna 5 and an antenna feeder line 2, a first parasitic antenna 4 and a second parasitic antenna 7, the ground copper sheet 8 at the front bottom of the antenna main board is provided with an opening, a welding microstrip line is connected with a WIFI/BT chip end 1, extends from the opening to the inside and is connected with one end of the antenna feeder line 2, the other end of the antenna feeder line 2 is connected with the bottom of the 2.4GHZ and 5GHz double-frequency chip antenna 5, the top of the 2.4GHZ and 5GHz double-frequency chip antenna 5 is connected with one end of the coupling capacitor 6, and the other end of the coupling capacitor 6 is connected with the ground copper sheet 8;
the first parasitic antenna comprises A, B blocks, which are arranged on the left side of the opening at the bottom of the front surface of the antenna main board, wherein A blocks are connected with a ground copper sheet 8, one end of B blocks are connected with the antenna feeder line 2, and the other end of B blocks are connected with the ground copper sheet 8; the second parasitic antenna 7 is arranged in an L-shape on the back of the antenna main board.
The antenna main board provided by the utility model is also provided with the connecting point 3, the connecting point 3 is welded through the antenna main board and is connected with the second parasitic antenna 7 and the antenna feeder line 2, and the antenna feeder line 2 is L-shaped and is connected with components.
The antenna main board is an FR4 high TG board, and it should be noted that, besides the above flexible material with FR4 high TG, other flexible or rigid materials are also suitable for this embodiment.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. A dual-band dual-sided antenna, comprising an antenna motherboard, the antenna motherboard comprising:
the ground copper sheet (8) forms continuous three sides;
the ground copper sheet (8) surrounds the coupling capacitor (6), the 2.4GHZ and 5GHz double-frequency chip antenna (5) and the antenna feeder line (2), and the first parasitic antenna (4) and the second parasitic antenna (7);
the ground copper sheet (8) at the bottom of the front surface of the antenna main board is provided with an opening, a welding microstrip line is connected with the WIFI/BT chip end (1) and extends from the opening to the inside to be connected with one end of the antenna feeder line (2), the other end of the antenna feeder line (2) is connected with the 2.4GHZ and 5GHz double-frequency chip antenna (5), the tops of the 2.4GHZ and 5GHz double-frequency chip antenna (5) are connected with one end of the coupling capacitor (6), and the other end of the coupling capacitor (6) is connected with the ground copper sheet (8);
the first parasitic antenna (4) comprises A, B blocks, the left side of the opening at the bottom of the front surface of the antenna main board is provided with an A block connected with a ground copper sheet, one end of a B block is connected with the antenna feeder line (2), and the other end of the B block is connected with the ground copper sheet;
the second parasitic antenna (7) is arranged on the back of the antenna main board, is conducted with the connection point (3), and is conducted with the antenna feeder line (2).
2. A dual-frequency, dual-sided antenna according to claim 1, characterized in that the connection point (3) is soldered to the antenna main board.
3. A dual-frequency, dual-sided antenna according to claim 1, characterized in that the antenna feed (2) is L-shaped.
4. A dual-frequency, dual-sided antenna as claimed in claim 1, characterized in that the first parasitic antenna (4) has a larger a-block shape than B-block.
5. A dual-frequency, dual-sided antenna as claimed in claim 1, characterized in that the first parasitic antenna (4) is a 2.4GHz parasitic antenna.
6. A dual-frequency, dual-sided antenna according to claim 1, characterized in that the second parasitic antenna (7) is a 5GHz parasitic antenna.
7. A dual-frequency, dual-sided antenna according to claim 1, characterized in that the second parasitic antenna (7) has an L-shape.
8. The dual-band dual-sided antenna of claim 1, wherein the antenna motherboard is an FR4 high TG board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320515864.1U CN219643113U (en) | 2023-03-16 | 2023-03-16 | Dual-frenquency double-sided antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320515864.1U CN219643113U (en) | 2023-03-16 | 2023-03-16 | Dual-frenquency double-sided antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219643113U true CN219643113U (en) | 2023-09-05 |
Family
ID=87815429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320515864.1U Active CN219643113U (en) | 2023-03-16 | 2023-03-16 | Dual-frenquency double-sided antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219643113U (en) |
-
2023
- 2023-03-16 CN CN202320515864.1U patent/CN219643113U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |