CN106785397B - Dual-band antenna and manufacturing method thereof - Google Patents
Dual-band antenna and manufacturing method thereof Download PDFInfo
- Publication number
- CN106785397B CN106785397B CN201611220777.4A CN201611220777A CN106785397B CN 106785397 B CN106785397 B CN 106785397B CN 201611220777 A CN201611220777 A CN 201611220777A CN 106785397 B CN106785397 B CN 106785397B
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- sideband
- hexahedron
- short
- metal patch
- long
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a dual-band antenna and a manufacturing method thereof. The dual band antenna includes: the insulation medium hexahedron, the first metal patch and the second metal patch; the first metal patch comprises a first short sideband and a first long sideband which are connected, the first short sideband and the first long sideband are respectively positioned on the left side surface and the back surface of the hexahedron of the insulating medium, and the first short sideband and the first long sideband respectively correspond to an L-shaped transverse edge and an L-shaped vertical edge; the second metal patch comprises a second short sideband and a second long sideband which are connected, the second short sideband and the second long sideband are respectively positioned on the top surface and the front surface of the hexahedron of the insulating medium, and the second short sideband and the second long sideband respectively correspond to the other L-shaped transverse edge and the other L-shaped vertical edge; the first short side band and the second long side band extend to the bottom surface of the hexahedron of the insulating medium and are electrically connected to the feeding point. Two L-shaped patch antennas with different directions are formed on different surfaces of the hexahedron of the insulating medium, so that the antenna gain is improved, the requirement on the dielectric constant of a base material is reduced, and the manufacturing cost is saved.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a dual-band antenna and a manufacturing method thereof.
Background
With the development of wireless network technology, more and more places are covered with WIFI wireless networks. The common working frequency band of the WIFI antenna is two types of 2.4G antennas and 5G antennas, and the common working frequency band of the WIFI antenna respectively works at 2.4-2.48GHz frequencies and 4.9G-5.8GHz frequencies.
The existing patch type WIFI dual-band antenna has the defects that the requirement on an insulating substrate is high, and expensive substrates with high dielectric constants such as ceramics are mostly needed, so that the overall cost of the antenna is high, the antenna is not easy to debug, and certain application limitations exist.
Disclosure of Invention
In view of the problem of the high cost of the prior art dual band antenna caused by the need for using an insulating substrate with a high dielectric constant, the present invention proposes a dual band antenna and a method for manufacturing the same, so as to overcome or at least partially solve the above-mentioned problem.
According to an aspect of the present invention, there is provided a dual band antenna comprising: the insulation medium hexahedron, the first metal patch and the second metal patch;
the first metal patch comprises a first short side band and a first long side band which are connected, the first short side band and the first long side band are respectively positioned on the left side surface and the back surface of the hexahedron of the insulating medium, and the first short side band and the first long side band respectively correspond to an L-shaped transverse side and an L-shaped vertical side;
the second metal patch comprises a second short sideband and a second long sideband which are connected, the second short sideband and the second long sideband are respectively positioned on the top surface and the front surface of the hexahedron of the insulating medium, and the second short sideband and the second long sideband respectively correspond to the other L-shaped transverse edge and the other L-shaped vertical edge;
the first short side band and the second long side band extend to the bottom surface of the hexahedron of the insulating medium and are electrically connected to a feeding point.
Optionally, one end of the first long side band far away from the first short side band is further provided with a first extension band, and the first extension band is located on the right side face of the hexahedron of the insulating medium and covers all the right side face.
Optionally, a second extension band is further provided on one side of the first extension band, and the second extension band is located on the top surface of the hexahedron of the insulating medium.
Optionally, the first short side band is disposed along a bottom edge of the left side surface of the hexahedral insulating medium, and the second long side band is disposed proximate to the left side surface of the hexahedral insulating medium.
Optionally, the bottom surface of the hexahedron of the insulating medium is also provided with a welding metal patch.
Optionally, the hexahedron of the insulating medium is made of FR4 material.
Optionally, the first metal patch operates at 2.4-2.48GHz and the second metal patch operates at 4.9-5.8GHz.
Optionally, the first metal patch is made of metal plate cut, metal plate corroded or plated with a metal layer;
and/or the number of the groups of groups,
the second metal patch is made by cutting a metal plate, corroding the metal plate or plating a metal layer;
and/or the number of the groups of groups,
the welding metal patch is made by cutting a metal plate, corroding the metal plate or plating a metal layer.
Optionally, the first metal patch and the second metal patch are cut from a single piece of metal plate.
According to another aspect of the present invention, there is provided a method of manufacturing a dual band antenna as claimed in any one of the preceding claims, the method comprising:
manufacturing an insulating medium hexahedron;
manufacturing a first metal patch and a second metal patch; the first metal patch comprises a first short sideband and a first long sideband which are connected, the first short sideband is positioned on the left side surface of the hexahedron of the insulating medium, the first long sideband is positioned on the back surface of the hexahedron of the insulating medium, and the first short sideband and the first long sideband respectively correspond to an L-shaped transverse edge and an L-shaped vertical edge; the second metal patch comprises a second short sideband and a second long sideband which are connected, the second short sideband is positioned on the top surface of the insulating medium hexahedron, the second long sideband is positioned on the front surface of the insulating medium hexahedron, and the second short sideband and the second long sideband respectively correspond to the other L-shaped transverse edge and the other L-shaped vertical edge; the first short side band and the second long side band extend to the bottom surface of the hexahedron of the insulating medium and are electrically connected to a feeding point.
The beneficial effects of the invention are as follows:
through the first metal patch and the second metal patch that set up along the different faces of insulating medium hexahedron, two L type antennas that the direction is different have been constituted, interference killing feature is strong, can reduce the loss of antenna signal, improves the antenna gain, improves signal strength, has reduced the requirement to the dielectric constant of insulating medium hexahedron, and the insulating medium hexahedron of this antenna can select the insulating medium material that uses to realize promptly to the cost of manufacture of antenna has been reduced. Meanwhile, the antenna is convenient to debug, high in applicability and better in signal effect.
Drawings
Fig. 1 is a perspective view of a dual-band antenna according to an embodiment of the present invention;
fig. 2 is a front view of the dual band antenna of fig. 1;
fig. 3 is a top view of the dual band antenna of fig. 1;
fig. 4 is a left side view of the dual band antenna of fig. 1;
fig. 5 is a right side view of the dual band antenna of fig. 1;
fig. 6 is a rear view of the dual band antenna of fig. 1;
fig. 7 is a bottom view of the dual band antenna of fig. 1;
fig. 8 is a flowchart of a method for manufacturing a dual-band antenna according to an embodiment of the present invention;
in the figure, 1. A first metal patch; 1-1. A first short sideband; 1-2. A first long sideband; 1-3. A first elongate tape; 1-4. A second extension band; 2. a second metal patch; 2-1. A second short sideband; 2-2, a second long sideband; 3. a feeding point; 4. welding a metal patch; 5. hexahedron of insulating medium.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 to 7 show an embodiment of the dual band antenna of the present invention, wherein fig. 1 is a perspective view of the dual band antenna embodiment, as shown in fig. 1 to 7, a dual band antenna comprising: the antenna comprises an insulating medium hexahedron 5, a first metal patch 1 and a second metal patch 2, wherein the first metal patch 1 and the second metal patch 2 respectively form an L-shaped antenna, the first metal patch 1 comprises a first short side band 1-1 and a first long side band 1-2 which are connected, the first short side band 1-1 and the first long side band 1-2 are respectively positioned on the left side surface and the back surface of the insulating medium hexahedron 5, and the first short side band 1-1 and the first long side band 1-2 respectively correspond to the transverse side and the vertical side of an L shape; the second metal patch 2 comprises a second short side band 2-1 and a second long side band 2-2 which are connected, the second short side band 2-1 and the second long side band 2-2 are respectively positioned on the top surface and the front surface of the insulating medium hexahedron 5, and the second short side band 2-1 and the second long side band 2-2 respectively correspond to the other L-shaped transverse side and the other L-shaped vertical side; the first short side band 1-1 and the second long side band 2-2 extend to the bottom surface of the insulating medium hexahedron 5 and are electrically connected to the feeding point 3, and signal receiving and transmitting between the dual-band antenna and the radio frequency circuit are realized through the feeding point 3.
The first metal patch forms an L-shaped antenna and works in one frequency band, the second metal patch forms another L-shaped antenna and works in another frequency band, so that dual-frequency band receiving and transmitting are realized. Meanwhile, the antenna is convenient to debug, high in applicability and better in signal effect.
Preferably, as shown in fig. 1 and 5, the end of the first long side band 1-2 far from the first short side band 1-1 is further provided with a first extension band 1-3, and the first extension band 1-3 is located on the right side surface of the insulating medium hexahedron 5 and covers the whole right side surface, so that the antenna area is increased and the signal quality is improved. As shown in the figure, the first extension band 1-3 is formed by bending one end of the first long side band 1-2 extending to the edge of the hexahedron 5 of the insulating medium and spreading the whole right side surface, so that the antenna area is maximized.
More preferably, as shown in fig. 1 and 2, one side of the first extension band 1-3 is further provided with a second extension band 1-4, and the second extension band 1-4 is located on the top surface of the insulating-medium hexahedron 5. As shown in the drawing, the second extension band 1-4 is a rectangular band-like shape disposed in parallel along the side where the top surface and the front surface of the insulating-medium hexahedron 5 meet, which maintains a sufficient distance between the top surface and the second short side band 2-1 of the second metal patch 2.
Preferably, the first short side band 1-1 is arranged along the bottom edge of the left side surface of the insulating medium hexahedron 5, and the second long side band 2-2 is arranged close to the left side surface of the insulating medium hexahedron 5, as shown in fig. 1, so that the first metal patch 1 and the second metal patch 2 are closer to the feeding point 3 positioned on the bottom surface, thereby shortening the length of the metal patch between the first metal patch 1 and the feeding point 3, reducing signal loss and reducing the risk of interference.
Preferably, the bottom surface of the insulating medium hexahedron 5 is also provided with a welding metal patch 4, see fig. 7, and the dual-band antenna can be welded and fixed on the circuit board more firmly by welding the metal patch 4, so that the reliability and the firmness of the antenna are improved, and the service life of the antenna is prolonged.
Preferably, the insulating medium hexahedron 5 is made of FR4 material, the FR-4 epoxy glass fiber cloth substrate is a substrate which uses epoxy resin as an adhesive and uses electronic grade glass fiber cloth as a reinforcing material, is a common substrate for manufacturing a multilayer printed circuit board, has lower cost compared with ceramics and the like, and has lower dielectric constant, and can be used as a substrate of the insulating medium hexahedron based on the double-frequency-band antenna scheme disclosed by the invention. In addition, as the FR4 with low dielectric constant is adopted as the substrate of the insulating medium hexahedron of the dual-band antenna, the loss of antenna signals can be further reduced, the gain of the dual-band antenna is improved, the signal intensity is enhanced, the dual-band antenna is more convenient to debug, and the dual-band antenna is suitable for more application scenes, for example, the dual-band antenna can be easily used for a single-band transmission circuit through adjusting a feedback network on a circuit board, the applicability of the dual-band antenna is improved, and the circuit board design of the dual-band antenna is more flexible and more convenient to debug.
The sizes of the first metal patch 1 and the second metal patch 2 can be set and adjusted according to the working frequency, as shown in the figure, the first metal patch 1 is designed to be larger, the second metal patch 2 is designed to be smaller, all the sizes of 1/4 wavelength familiar to the person skilled in the art are met, the first metal patch 1 works at 2.4-2.48GHz, and the second metal patch 2 works at 4.9-5.8GHz.
Preferably, the first metal patch 1 is made of a metal plate cut, metal plate corroded or plated with a metal layer; and/or the second metal patch 2 is made of a metal plate cut, metal plate corroded or plated with a metal layer; and/or the welded metal patch 4 is made of a metal plate cut, metal plate corroded or plated with a metal layer. In the manufacturing process, metal plate cutting, metal plate corrosion or metal plating can be combined for use, for example, corresponding metal patches are manufactured on the top surface and the bottom surface of the hexahedron of the insulating medium by adopting a metal plate corrosion process, and then corresponding metal patches connected with the top surface and the bottom surface are plated on each side surface by plating the metal layers.
Preferably, when the metal plate is used for cutting, the first metal patch 1 and the second metal patch 2 are cut from a whole metal plate, so that a complete metal patch pattern can be formed by one-time cutting, thereby shortening the manufacturing time, and all parts of the metal patches can be made of uniform materials and have the same thickness.
The invention also discloses a method for manufacturing the dual-band antenna according to any one of the above, as shown in fig. 8, the method comprises the following steps:
step S110, manufacturing an insulating medium hexahedron.
Step S120, manufacturing a first metal patch and a second metal patch; the first metal patch comprises a first short side band and a first long side band which are connected, the first short side band is positioned on the left side surface of the hexahedron of the insulating medium, the first long side band is positioned on the back surface of the hexahedron of the insulating medium, and the first short side band and the first long side band respectively correspond to an L-shaped transverse side and an L-shaped vertical side; the second metal patch comprises a second short side band and a second long side band which are connected, the second short side band is positioned on the top surface of the hexahedron of the insulating medium, the second long side band is positioned on the front surface of the hexahedron of the insulating medium, and the second short side band and the second long side band respectively correspond to the other L-shaped transverse side and the other L-shaped vertical side; the first short side band and the second long side band extend to the bottom surface of the hexahedron of the insulating medium and are electrically connected to the feeding point.
The method for manufacturing the first metal patch and the second metal patch can be used independently or in combination with a metal plate cutting mode, a metal plate corrosion mode or a metal layer plating mode, and when the double-frequency-band metal antenna to be manufactured is provided with the welding metal patch, the manufacturing method further comprises the following steps:
and manufacturing a welding metal patch on the bottom surface of the hexahedron of the insulating medium. The manner of manufacturing the welded metal patch is the same as the method of manufacturing the first metal patch and the second metal patch, and may even be completed in the same manufacturing process, and will not be described here again.
The foregoing is merely a specific embodiment of the invention and other modifications and variations can be made by those skilled in the art in light of the above teachings. It is to be understood by persons skilled in the art that the foregoing detailed description is provided for the purpose of illustrating the invention more fully, and that the scope of the invention is defined by the appended claims.
Claims (10)
1. A dual band antenna, the dual band antenna comprising: the insulation medium hexahedron, the first metal patch and the second metal patch;
the first metal patch comprises a first short sideband and a first long sideband which are connected, the first short sideband and the first long sideband are respectively positioned on the left side surface and the back surface of the hexahedron of the insulating medium, and the first short sideband and the first long sideband respectively correspond to an L-shaped transverse edge and an L-shaped vertical edge;
the second metal patch comprises a second short sideband and a second long sideband which are connected, the second short sideband and the second long sideband are respectively positioned on the top surface and the front surface of the hexahedron of the insulating medium, and the second short sideband and the second long sideband respectively correspond to the other L-shaped transverse edge and the other L-shaped vertical edge;
the first short side band and the second long side band extend to the bottom surface of the hexahedron of the insulating medium and are electrically connected to a feeding point.
2. The dual band antenna of claim 1, wherein,
the one end of the first long side band far away from the first short side band is also provided with a first extension band, and the first extension band is positioned on the right side surface of the hexahedron of the insulating medium and covers all the right side surface.
3. The dual band antenna of claim 2, wherein,
and one side of the first extension belt is also provided with a second extension belt, and the second extension belt is positioned on the top surface of the hexahedron of the insulating medium.
4. The dual band antenna of claim 1, wherein,
the first short side belt is arranged along the bottom edge of the left side face of the insulating medium hexahedron, and the second long side belt is arranged close to the left side face of the insulating medium hexahedron.
5. The dual band antenna of any of claims 1-4, wherein the bottom surface of the dielectric hexahedron is further provided with a soldered metal patch.
6. The dual band antenna of any of claims 1-4, wherein the dielectric hexahedron is FR4 material.
7. The dual band antenna of any of claims 1-4, wherein,
the first metal patch operates at 2.4-2.48GHz and the second metal patch operates at 4.9-5.8GHz.
8. The dual band antenna of claim 5, wherein,
the first metal patch is made by cutting a metal plate, corroding the metal plate or plating a metal layer;
and/or the number of the groups of groups,
the second metal patch is made by cutting a metal plate, corroding the metal plate or plating a metal layer;
and/or the number of the groups of groups,
the welding metal patch is made by cutting a metal plate, corroding the metal plate or plating a metal layer.
9. The dual band antenna of claim 5, wherein,
the first metal patch and the second metal patch are cut from a single piece of metal plate.
10. A method of making the dual band antenna of any of claims 1 to 9, the method comprising:
manufacturing an insulating medium hexahedron;
manufacturing a first metal patch and a second metal patch; the first metal patch comprises a first short sideband and a first long sideband which are connected, the first short sideband is positioned on the left side surface of the hexahedron of the insulating medium, the first long sideband is positioned on the back surface of the hexahedron of the insulating medium, and the first short sideband and the first long sideband respectively correspond to an L-shaped transverse edge and an L-shaped vertical edge; the second metal patch comprises a second short sideband and a second long sideband which are connected, the second short sideband is positioned on the top surface of the insulating medium hexahedron, the second long sideband is positioned on the front surface of the insulating medium hexahedron, and the second short sideband and the second long sideband respectively correspond to the other L-shaped transverse edge and the other L-shaped vertical edge;
the first short side band and the second long side band extend to the bottom surface of the hexahedron of the insulating medium and are electrically connected to a feeding point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220777.4A CN106785397B (en) | 2016-12-26 | 2016-12-26 | Dual-band antenna and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220777.4A CN106785397B (en) | 2016-12-26 | 2016-12-26 | Dual-band antenna and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN106785397A CN106785397A (en) | 2017-05-31 |
| CN106785397B true CN106785397B (en) | 2023-09-15 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301056A (en) * | 1999-12-23 | 2001-06-27 | 电子部品研究院 | Double frequency band antenna for mobile communication unit |
| US7183979B1 (en) * | 2005-08-24 | 2007-02-27 | Accton Technology Corporation | Dual-band patch antenna with slot structure |
| CN101015089A (en) * | 2004-02-18 | 2007-08-08 | 皇家飞利浦电子股份有限公司 | Antenna |
| CN102124584A (en) * | 2008-07-15 | 2011-07-13 | 盖尔创尼克斯有限公司 | Compact multiband antenna |
| CN102969563A (en) * | 2012-11-20 | 2013-03-13 | 青岛歌尔声学科技有限公司 | Dual-band antenna and manufacturing method thereof |
| CN104737367A (en) * | 2012-10-11 | 2015-06-24 | 微软公司 | Multiband antenna |
| CN206516754U (en) * | 2016-12-26 | 2017-09-22 | 歌尔科技有限公司 | A kind of double frequency band aerial |
-
2016
- 2016-12-26 CN CN201611220777.4A patent/CN106785397B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301056A (en) * | 1999-12-23 | 2001-06-27 | 电子部品研究院 | Double frequency band antenna for mobile communication unit |
| CN101015089A (en) * | 2004-02-18 | 2007-08-08 | 皇家飞利浦电子股份有限公司 | Antenna |
| US7183979B1 (en) * | 2005-08-24 | 2007-02-27 | Accton Technology Corporation | Dual-band patch antenna with slot structure |
| CN102124584A (en) * | 2008-07-15 | 2011-07-13 | 盖尔创尼克斯有限公司 | Compact multiband antenna |
| CN104737367A (en) * | 2012-10-11 | 2015-06-24 | 微软公司 | Multiband antenna |
| CN102969563A (en) * | 2012-11-20 | 2013-03-13 | 青岛歌尔声学科技有限公司 | Dual-band antenna and manufacturing method thereof |
| CN206516754U (en) * | 2016-12-26 | 2017-09-22 | 歌尔科技有限公司 | A kind of double frequency band aerial |
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| Publication number | Publication date |
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| CN106785397A (en) | 2017-05-31 |
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