CN108123216B - Diamond photon crystal array composite ultra-wideband antenna and manufacturing method thereof - Google Patents
Diamond photon crystal array composite ultra-wideband antenna and manufacturing method thereof Download PDFInfo
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- CN108123216B CN108123216B CN201810086053.8A CN201810086053A CN108123216B CN 108123216 B CN108123216 B CN 108123216B CN 201810086053 A CN201810086053 A CN 201810086053A CN 108123216 B CN108123216 B CN 108123216B
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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
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- 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
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Abstract
The invention relates to a diamond photonic crystal array composite ultra-wideband antenna and a manufacturing method thereof, comprising a substrate, wherein an antenna grounding plate is attached to the back surface of the substrate, a composite radiation patch is attached to the front surface of the substrate, the composite radiation patch is formed by arranging a plurality of diamond photonic crystal small antennas, rectangular holes are formed in the middle of the diamond photonic crystal small antennas, and graphene conductive glue is filled in the rectangular holes of the diamond photonic crystal small antennas. The antenna has wide coverage range of the working frequency band, has excellent broadband working characteristics, has high radiation intensity, is very stable and reliable, has the return loss value of the antenna smaller than-40 dB and smaller fluctuation in the frequency band range of 0.801-13.952 GHz, and ensures that the antenna can stably and reliably receive and transmit wireless communication signals in all working frequency bands; the antenna uses an extremely firm hexagonal array structure, has high mechanical strength and strong damage resistance.
Description
Technical Field
The invention relates to a diamond photonic crystal array composite ultra-wideband antenna and a manufacturing method thereof.
Background
Currently, wireless communication systems in use mainly include mobile communication systems, radio frequency identification systems, ultra-wideband communication systems, and mobile digital television systems. The four wireless communication systems have similar working frequency bands and all work in a microwave frequency band, wherein the second generation mobile communication frequency band is the frequency bands of 0.905-0.915 GHz, 0.950-0.960 GHz, 1.710-1.785 GHz and 1.805-1.880 GHz of the GSM system; the third generation mobile communication frequency bands are the frequency bands of TD-SCDMA system 1.880-1.920 GHz, 2.010-2.025 GHz, 2.300-2.400 GHz and WCDMA system 1.920-1.980 GHz, 2.110-2.170 GHz; the fourth generation mobile communication frequency band is a TD-LTE system 2.570-2.620 GHz frequency band; three candidate frequency bands of the fifth generation mobile communication are 3.300-3.400 GHz, 4.400-4.500 GHz and 4.800-4.990 GHz. Three main working frequency bands of the radio frequency identification system are 0.902-0.928 GHz, 2.400-2.4835 GHz and 5.725-5.875 GHz. The working frequency band of the ultra-wideband system is 3.100-10.600 GHz. The working frequency band of the mobile digital television system is 11.700-12.200 GHz.
The existing multi-network integrated technology requires that the wireless communication antenna has ultra-wideband coverage capability, can cover all communication frequency bands at the same time, realizes compatibility of a mobile communication system, a radio frequency identification system, an ultra-wideband communication system and a mobile digital television system, and can meet the performance requirements of high radiation intensity and stable and reliable radiation performance in a working frequency band.
Disclosure of Invention
Therefore, the invention aims to provide the diamond photonic crystal array composite ultra-wideband antenna with wide working band coverage and high radiation intensity and the manufacturing method thereof.
The invention is realized by adopting the following scheme: the utility model provides a compound ultra wide band antenna of rhombus photonic crystal array, includes the base plate, and the back of base plate is pasted and is covered the antenna earth plate, and the front of base plate is pasted and is covered the compound radiation paster, compound radiation paster is arranged by a plurality of rhombus photonic crystal small antenna and is constituteed, rectangular hole has been seted up at rhombus photonic crystal small antenna middle part, graphene conductive glue has been filled in the rectangular hole of rhombus photonic crystal small antenna.
Further, the composite radiation patch is composed of seven composite antennas with regular hexagonal structures, one composite antenna is located in the middle, the other six composite antennas are distributed on the periphery of the middle composite antenna, each composite antenna is composed of three diamond-shaped photonic crystal small antennas, and the side length of each composite antenna is consistent with that of each diamond-shaped photonic crystal small antenna.
Further, the lengths of the four sides of the diamond-shaped photonic crystal small antenna are 8.0 mm +/-0.1 mm, two acute angles of the diamond-shaped photonic crystal small antenna are 60 degrees, and two obtuse angles of the diamond-shaped photonic crystal small antenna are 120 degrees; the length and width of the rectangular hole are half of the lengths of two diagonals of the diamond.
Further, the substrate is a low-loss microwave ceramic substrate with a relative dielectric constant of 50-60, the shape of the substrate is rectangular, the size of the substrate is 40 mm +/-0.1 mm ×41.6 mm +/-0.1 mm, and the thickness of the substrate is 1 mm +/-0.1 mm.
Further, the antenna grounding plate is an all-metal grounding plate, and an antenna feed point is arranged in the center of the bottom edge of the composite radiation patch.
Further, the antenna grounding plate and the metal part of the composite radiation patch are made of copper, silver, gold or aluminum.
The invention adopts another technical scheme that: the manufacturing method of the diamond photonic crystal array composite ultra-wideband antenna comprises the following steps: (1) Manufacturing a substrate, an antenna grounding plate and a diamond photonic crystal small antenna; (2) Excavating a rectangular hole in the middle of the diamond photonic crystal small antenna, and filling graphene conductive glue in the rectangular hole; (3) Combining every three diamond photonic crystal small antennas into a composite antenna with a regular hexagonal structure, wherein the side length of the composite antenna is consistent with that of the diamond photonic crystal small antennas; (4) Seven composite filling arrangements are utilized to form a composite radiation patch, one composite antenna is positioned in the middle, and the other six composite antennas are distributed on the periphery of the middle composite antenna; (5) An antenna feed point is arranged in the center of the bottom edge of the composite radiation patch; (6) And attaching an antenna grounding plate to the back surface of the substrate, and attaching a composite radiation patch to the front surface of the substrate.
Compared with the prior art, the invention has the following beneficial effects: the diamond photonic crystal array composite ultra-wideband antenna has wide coverage range of working frequency bands, excellent wideband working characteristics, high radiation intensity, stability and reliability, and small fluctuation, and ensures that the antenna can stably and reliably transmit and receive wireless communication signals in each working frequency band, wherein the return loss value of the antenna is smaller than-40 dB in the frequency band range of 0.801-13.952 GHz; the antenna uses an extremely firm hexagonal array structure, has high mechanical strength and strong damage resistance; the graphene conductive glue is used in half area of the antenna radiation patch, so that the use amount of metal is reduced, and the corrosion resistance of the antenna is enhanced.
The present invention will be further described in detail below with reference to specific embodiments and associated drawings for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
Drawings
FIG. 1 is a front elevational view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a composite radiating patch configuration in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a composite antenna configuration in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of a diamond photonic crystal small antenna configuration in an embodiment of the present invention;
the reference numerals in the figures illustrate: 100-substrate, 200-composite radiation patch, 210-composite antenna, 211-diamond photonic crystal small antenna and 212-graphene conductive glue.
Detailed Description
As shown in fig. 1 to 4, a diamond photonic crystal array composite ultra-wideband antenna comprises a substrate 100, an antenna grounding plate is attached to the back surface of the substrate 100, a composite radiation patch 200 is attached to the front surface of the substrate, the composite radiation patch 200 is formed by arranging a plurality of diamond photonic crystal small antennas, rectangular holes are formed in the middle of the diamond photonic crystal small antennas 211, graphene conductive glue 212 is filled in the rectangular holes of the diamond photonic crystal small antennas, and four corners of the diamond photonic crystal small antennas are four triangular metal conductive areas.
Graphene is single-layer graphite composed of carbon atoms, has excellent heat conduction performance and electric conduction performance, has high electron mobility, can accommodate radio-frequency current with high intensity, and is formed by periodically distributing one dielectric material in another dielectric material, wherein the most typical performance is that a photonic band gap is formed. The graphene conductive glue is periodically distributed in a metal material to form a photonic crystal structure, a photon band gap generated by the graphene conductive glue can partially block the propagation of electromagnetic waves, the radiation intensity of an antenna in a band gap frequency band is reduced, and the radiation of the antenna is dispersed to an adjacent frequency band, so that the working bandwidth of the antenna is increased, and the diamond photonic crystal structure has good broadband working characteristics when being used for antenna design.
The diamond photonic crystal array composite ultra-wideband antenna can cover a mobile communication frequency band, a radio frequency identification frequency band, an ultra-wideband communication frequency band and a mobile digital television frequency band simultaneously, and is a multi-band compatible multi-network antenna.
In this embodiment, the composite radiation patch 200 is composed of seven composite antennas 210 with regular hexagonal structures, wherein one composite antenna 210 is located in the middle, the other six composite antennas 210 are distributed at the periphery of the middle composite antenna, each composite antenna 210 is composed of three diamond-shaped photonic crystal small antennas 211, and the side lengths of the composite antennas are consistent with those of the diamond-shaped photonic crystal small antennas; bionics is a science that researches the structure and the property of biological systems and provides new design ideas and working principles for engineering technologies, and by researching the structure, the function and the working principles of organisms, the principles are transplanted into engineering technologies, and instruments, devices and machines with superior performances are invented. The hexagonal array structure is a bionic structure imitating a honeycomb structure in the nature, has high space utilization rate, is extremely firm, has very high mechanical strength and very good damage resistance, is a perfect symmetrical structure, can uniformly distribute radio frequency current in the hexagonal array structure, ensures that the antenna has ultra-wideband working characteristics, and has stable and reliable performance.
In this embodiment, the lengths of the four sides of the small diamond photonic crystal antenna 211 are all 8.0 mm ±0.1 mm, two acute angles of the small diamond photonic crystal antenna are 60 °, and two obtuse angles are 120 °; the length and width of the rectangular hole are half of the lengths of two diagonals of the diamond.
In this embodiment, the substrate 100 is a low-loss microwave ceramic substrate, the relative dielectric constant of the substrate is 50-60, the shape of the substrate is rectangular, the size of the substrate is 40 mm + -0.1 mm ×41.6 mm + -0.1 mm, and the thickness of the substrate is 1 mm + -0.1 mm.
In this embodiment, the antenna grounding plate is an all-metal grounding plate, and an antenna feeding point is arranged in the center of the bottom edge of the composite radiation patch 200.
In this embodiment, the antenna grounding plate and the metal part of the composite radiation patch are made of copper, silver, gold or aluminum.
The working frequency band range of the antenna is 0.601-14.633 GHz, the working bandwidth is 14.032 GHz, the bandwidth octave is 24.35, the return loss of the antenna in the whole working frequency band is lower than-10 dB, and the minimum value of the return loss is-53.74 dB. The actual measurement result shows that the antenna completely covers all the working frequency bands of the second generation to the fifth generation mobile communication such as 0.902-0.928 GHz, 0.905-0.915 GHz, 0.950-0.960 GHz, 1.710-1.785 GHz, 1.805-1.880 GHz, 1.880-1.920 GHz, 1.920-1.980 GHz, 2.010-2.025 GHz, 2.110-2.170 GHz, 2.300-2.400 GHz, 2.400-2.4835 GHz, 2.570-2.620 GHz, 3.300-3.400 GHz, 4.400-4.500 GHz, 4.800-4.990 GHz, 5.725-5.875 GHz, 3.100-10.600 GHz, 11.700-12.200 GHz and the like, has larger radiation intensity, stable and reliable radiation performance in the working frequency band, and has wide application prospect.
Compared with the conventional antenna for a mobile communication system, a radio frequency identification system, an ultra-wideband communication system and a mobile digital television system, the antenna has the advantages and remarkable effects that: the broadband operation characteristics are excellent; the antenna has high and stable radiation intensity, the return loss value of the antenna is smaller than-40 dB in the frequency band range of 0.801-13.952 GHz, and the fluctuation is smaller, so that the antenna can stably and reliably transmit and receive wireless communication signals in various working frequency bands; the antenna uses an extremely firm hexagonal array structure, has high mechanical strength and strong damage resistance; the graphene conductive glue is used in half area of the antenna radiation patch, so that the use amount of metal is reduced, and the corrosion resistance of the antenna is enhanced.
The manufacturing method of the diamond photonic crystal array composite ultra-wideband antenna comprises the following steps: (1) Manufacturing a substrate, an antenna grounding plate and a diamond photonic crystal small antenna; (2) Excavating a rectangular hole in the middle of the diamond photonic crystal small antenna, and filling graphene conductive glue in the rectangular hole; (3) Combining every three diamond photonic crystal small antennas into a composite antenna with a regular hexagonal structure, wherein the side length of the composite antenna is consistent with that of the diamond photonic crystal small antennas; (4) Seven composite filling arrangements are utilized to form a composite radiation patch, one composite antenna is positioned in the middle, and the other six composite antennas are distributed on the periphery of the middle composite antenna; (5) An antenna feed point is arranged in the center of the bottom edge of the composite radiation patch; (6) And attaching an antenna grounding plate to the back surface of the substrate, and attaching a composite radiation patch to the front surface of the substrate.
In the embodiment, in the step (1), the lengths of four sides of the diamond-shaped photonic crystal small antenna are 8.0 mm ±0.1 mm, two acute angles of the diamond-shaped photonic crystal small antenna are 60 °, two obtuse angles are 120 °, the shape of the substrate is rectangular, the size is 40 mm ±0.1 mm ×41.6 mm ±0.1 mm, the thickness is 1 mm ±0.1 mm, and the antenna grounding plate is also rectangular and is consistent with the size of the substrate; in the step (2), the length and the width of the rectangular hole are respectively half of the lengths of two diagonals of the diamond.
While the foregoing is directed to the preferred embodiment, other and further embodiments of the invention will be apparent to those skilled in the art from the following description, wherein the invention is described, by way of illustration and example only, and it is intended that the invention not be limited to the specific embodiments illustrated and described, but that the invention is to be limited to the specific embodiments illustrated and described.
Claims (4)
1. A diamond photonic crystal array composite ultra-wideband antenna is characterized in that: the composite radiation patch comprises a substrate, wherein an antenna grounding plate is attached to the back surface of the substrate, a composite radiation patch is attached to the front surface of the substrate, the composite radiation patch is formed by arranging a plurality of diamond-shaped photonic crystal small antennas, rectangular holes are formed in the middle of the diamond-shaped photonic crystal small antennas, and graphene conductive glue is filled in the rectangular holes of the diamond-shaped photonic crystal small antennas; the composite radiation patch consists of seven composite antennas with regular hexagon structures, one composite antenna is positioned in the middle, the other six composite antennas are distributed at the periphery of the middle composite antenna, each composite antenna consists of three diamond-shaped photonic crystal small antennas, and the side length of each composite antenna is consistent with the side length of each diamond-shaped photonic crystal small antenna; the lengths of four sides of the diamond-shaped photonic crystal small antenna are 8.0 mm +/-0.1 mm, two acute angles of the diamond-shaped photonic crystal small antenna are 60 degrees, and two obtuse angles of the diamond-shaped photonic crystal small antenna are 120 degrees; the length and width of the rectangular hole are half of the lengths of two diagonals of the diamond respectively; the antenna grounding plate is an all-metal grounding plate, and an antenna feed point is arranged in the center of the bottom edge of the composite radiation patch.
2. The diamond photonic crystal array composite ultra-wideband antenna of claim 1, wherein: the substrate is a low-loss microwave ceramic substrate, the relative dielectric constant of the substrate is 50-60, the shape of the substrate is rectangular, the size of the substrate is 40 mm +/-0.1 mm multiplied by 41.6 mm +/-0.1 mm, and the thickness of the substrate is 1 mm +/-0.1 mm.
3. The diamond photonic crystal array composite ultra-wideband antenna of claim 1, wherein: the antenna grounding plate and the metal part of the composite radiation patch are made of copper, silver, gold or aluminum.
4. A method for manufacturing the diamond photonic crystal array composite ultra-wideband antenna of claim 1, wherein: the method comprises the following steps: (1) Manufacturing a substrate, an antenna grounding plate and a diamond-shaped photonic crystal small antenna, wherein the lengths of four sides of the diamond-shaped photonic crystal small antenna are 8.0 mm +/-0.1 mm, two acute angles of the diamond-shaped photonic crystal small antenna are 60 degrees, and two obtuse angles of the diamond-shaped photonic crystal small antenna are 120 degrees; (2) Excavating a rectangular hole in the middle of the diamond photonic crystal small antenna, wherein the length and width of the rectangular hole are respectively half of the lengths of two diagonals of the diamond; then filling graphene conductive glue in the rectangular holes; (3) Combining every three diamond photonic crystal small antennas into a composite antenna with a regular hexagonal structure, wherein the side length of the composite antenna is consistent with that of the diamond photonic crystal small antennas; (4) Seven composite antennas are used for being filled, arranged and combined to form a composite radiation patch, one composite antenna is positioned in the middle, and the other six composite antennas are distributed on the periphery of the middle composite antenna; (5) An antenna feed point is arranged in the center of the bottom edge of the composite radiation patch; (6) And attaching an antenna grounding plate to the back surface of the substrate, and attaching a composite radiation patch to the front surface of the substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810086053.8A CN108123216B (en) | 2018-01-30 | 2018-01-30 | Diamond photon crystal array composite ultra-wideband antenna and manufacturing method thereof |
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| CN201810086053.8A CN108123216B (en) | 2018-01-30 | 2018-01-30 | Diamond photon crystal array composite ultra-wideband antenna and manufacturing method thereof |
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| CN108123216B true CN108123216B (en) | 2023-07-28 |
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2018
- 2018-01-30 CN CN201810086053.8A patent/CN108123216B/en active Active
Patent Citations (4)
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| US5600342A (en) * | 1995-04-04 | 1997-02-04 | Hughes Aircraft Company | Diamond lattice void structure for wideband antenna systems |
| CN104466383A (en) * | 2015-01-05 | 2015-03-25 | 六盘水师范学院 | Multi-band frequency and high-gain quasi-fractal antenna |
| CN204464466U (en) * | 2015-03-18 | 2015-07-08 | 中国计量学院 | Two open rectangle ring open flume type hexagon microstrip antenna |
| CN106602277A (en) * | 2016-12-22 | 2017-04-26 | 厦门大学 | Back-cavity antenna for X-band probe feeding |
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