CN108511883B - Gradual change patch spiral dipole-complementary gap composite ultra-wideband antenna - Google Patents
Gradual change patch spiral dipole-complementary gap composite ultra-wideband antenna Download PDFInfo
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- CN108511883B CN108511883B CN201810180813.1A CN201810180813A CN108511883B CN 108511883 B CN108511883 B CN 108511883B CN 201810180813 A CN201810180813 A CN 201810180813A CN 108511883 B CN108511883 B CN 108511883B
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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
- H01Q1/364—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor
- H01Q1/368—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor using carbon or carbon composite
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
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- 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
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
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- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
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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
Abstract
The invention provides a gradual change patch spiral dipole-complementary gap composite ultra-wideband antenna, which comprises a sheet-shaped radiator; the radiator comprises a film substrate, a gradual change patch spiral dipole radiation patch on the front side of the film substrate and a complementary gap induction radiation patch on the back side of the film substrate; the gradual change patch spiral dipole radiation patch comprises a radiation arm unit, wherein the radiation arm unit comprises a feeder line, a spiral radiation arm and a plurality of radiation sheets with the same shape; the feeder line is electrically connected to the starting point of the outer edge of the spiral radiation arm, and the radiation sheets are attached to the spiral radiation arm and distributed on a spiral path from outside to inside according to the size from large to small; the invention can manufacture high-performance antenna by using the gradual change spiral and the radiation structure formed by the patch.
Description
Technical Field
The invention relates to the field of antennas, in particular to a gradual change patch spiral dipole-complementary slot composite ultra-wideband antenna.
Background
One of the important trends of the development of the 21 st century wireless communication technology is to realize integration of multiple networks and compatibility of multiple frequency bands, and integrate wireless communication terminals with similar working frequency bands into a multifunctional intelligent terminal. The mobile communication system, the radio frequency identification system, the ultra-wideband communication system and the mobile digital television system are all wireless communication systems working in a microwave frequency band, and if the system is integrated into a microwave frequency band multi-network integrated system, the terminal of the system has the functions of receiving calls, receiving and transmitting short messages, using the mobile internet, reading and writing a radio frequency identification card, ultra-wideband short-distance high-speed data transmission, watching a mobile digital television, interaction and the like, and has huge market potential.
The microwave frequency band multi-network integrated system requires the terminal antenna to have ultra-wideband working performance. The second generation mobile communication frequency bands currently used in China are 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 standard; 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 the TD-LTE system 2.570-2.620 GHz frequency band. The fifth generation mobile communication to be put into use has three candidate frequency bands, which are respectively: 3.300-3.400 GHz, 4.400-4.500 GHz and 4.800-4.990 GHz. Radio frequency identification systems have three main operating frequency bands: 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 microwave frequency band multi-network antenna must be capable of covering all the working frequency bands at the same time, and has the advantages of high radiation intensity and stable radiation performance. The working frequency band of the multi-network-in-one antenna in the microwave frequency band is wider, communication base stations and wireless signal sources in almost all microwave frequency bands can generate interference to radiation of the antenna, more metal parts are arranged in an internal circuit and a shell of the multi-network-in-one terminal, and metal reflection and scattering can influence the normal operation of the antenna, so that the multi-network-in-one antenna in the microwave frequency band is required to have good anti-interference capability, and interference of external electromagnetic waves and metal reflection scattering signals to normal radiation of the antenna can be shielded.
Disclosure of Invention
The invention provides a gradual change patch spiral dipole-complementary gap composite ultra-wideband antenna, which can manufacture a high-performance antenna by using a gradual change spiral and assisting a radiation structure formed by patches.
The invention adopts the following technical scheme.
The gradual change patch spiral dipole-complementary gap composite ultra-wideband antenna comprises a sheet-shaped radiator; the radiator comprises a film substrate, a gradual change patch spiral dipole radiation patch on the front side of the film substrate and a complementary gap induction radiation patch on the back side of the film substrate; the gradual change patch spiral dipole radiation patch comprises a radiation arm unit, wherein the radiation arm unit comprises a feeder line, a spiral radiation arm and a plurality of radiation sheets with the same shape; the feeder is electrically connected to the starting point of the outer edge of the spiral radiating arm, and the radiating sheets are attached to the spiral radiating arm and distributed from large to small on the spiral path from outside to inside.
The radiation sheets are square, and are distributed from large to small on a spiral path from outside to inside according to a broken line spiral rule.
The two radiating arm units are arranged in the gradual change patch spiral dipole radiating patch, the central point of the gradual change patch spiral dipole radiating patch is taken as a symmetrical point, and the two radiating arm units are arranged in the gradual change patch spiral dipole radiating patch in a left-right mirror symmetry mode.
A partition gap is arranged at the symmetrical center line between the two radiating arm units, and feed points of the two radiating arm units are respectively arranged at two sides of the partition gap.
Complementary gaps are arranged in the complementary gap induction radiation patch and are arranged according to the distribution shape of the conductors of the radiation arm units.
The side wall of the gap of the complementary gap is a conductor of the complementary gap induction radiation patch; the bottom of the complementary gap is a film substrate.
A ceramic sheet is arranged below the radiator; and ferrite coating layers are arranged on the surfaces of the ceramic thin sheets, which are opposite to the radiator.
The gradual change patch spiral dipole radiation patch on the front side of the film substrate and the complementary gap induction radiation patch on the back side of the film substrate are printed by graphene conductive ink.
The film substrate is a polyethylene terephthalate film substrate, the shape of the film substrate is rectangular, the size of the film substrate is 40 mm +/-1 mm multiplied by 15 mm +/-1 mm, the thickness of the film substrate is 0.2 mm +/-0.02 mm, and the relative dielectric constant of the film substrate is 3.0+/-0.1;
the feeder line length of the radiation arm unit is 5.5 mm +/-0.1 mm;
the ceramic sheet is a low-loss microwave ceramic sheet, the shape of the ceramic sheet is rectangular, the size of the ceramic sheet is 40 mm +/-1 mm multiplied by 15 mm +/-1 mm, the thickness of the ceramic sheet is 0.5 mm +/-0.1 mm, and the relative dielectric constant of the ceramic sheet is 55+/-5;
the size of the ferrite coating is the same as that of the ceramic sheet, and the ferrite is soft magnetic ferrite which is prepared and sintered and molded by materials including ferric oxide, nickel oxide, zinc oxide, manganese oxide, magnesium oxide, barium oxide and strontium oxide.
The area distributed by the spiral radiation arms of the radiation arm unit is a gradual change patch spiral radiation area; the size of the gradual change patch spiral radiation area is 15 mm +/-1 mm multiplied by 15 mm +/-1 mm; the gradual change patch spiral radiation area is divided into 3 rows and 3 columns, and 9 square areas with the size of 5 mm multiplied by 5 mm are used for placing radiation sheets, and a square radiation sheet is placed in the center position of each square area; 9 radiation sheets with large-to-small sizes are arranged on the path from the outside to the inside of the spiral radiation arm to the tail end of the radiation arm; the side lengths of the 9 square radiation sheets are 4.5 mm +/-0.1 mm, 4.0 mm +/-0.1 mm, 3.5 mm +/-0.1 mm, 3.0 mm +/-0.1 mm, 2.5 mm +/-0.1 mm, 2.0 mm +/-0.1 mm, 1.5 mm +/-0.1 mm, 1.0 mm +/-0.1 mm and 0.5 mm +/-0.1 mm in sequence from large to small.
The invention forms a superposition type wide-frequency dipole antenna by a feeder line and a gradual change patch spiral radiation area; the gradual change paster spiral radiation area contains 9 square radiation patches, and their size is arranged according to broken line spiral law from big to small in proper order, rotates to spiral radiation area center from the feed point, and the length of each radiation patch's side reduces gradually. The side lengths of the square radiation patches are different, the radiation frequencies are also different, and the radiation of 9 radiation patches working in different radiation frequency bands are overlapped, so that a radiation frequency band with larger working bandwidth can be obtained, the antenna can cover the second generation to the fifth generation of mobile communication frequency bands, the radio frequency identification frequency band, the ultra-wideband communication frequency band and the mobile digital television frequency band simultaneously, and the antenna becomes a multi-band compatible microwave frequency band multi-network antenna.
In the invention, the gradual change patch helical dipole radiation patch and the lower gap radiation patch form a pair of complementary antennas, and the radiation of the complementary antennas is overlapped in the same direction in space, so that the radiation intensity of the antennas can be effectively enhanced.
According to the invention, the polyethylene terephthalate (PET) film is used as an antenna matrix material, so that the antenna can be ensured to have good temperature adaptability, corrosion resistance and stable physical and chemical characteristics.
According to the invention, the ceramic sheet and the ferrite coating are used in the antenna structure, so that the interference of an external electromagnetic field on the radiation of the antenna can be effectively reduced.
According to the invention, the radiation patch of the antenna is printed by using the graphene conductive ink, so that stronger feed current can be borne, and the radiation performance of the antenna is further enhanced.
Drawings
The invention is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic diagram of a graded patch helical dipole radiating patch;
FIG. 2 is a schematic diagram of a complementary slot induction radiating patch;
fig. 3 is a layered schematic of an antenna;
FIG. 4 is a graph of return loss performance for an embodiment of the present invention;
FIG. 5 is a schematic diagram of a graded patch spiral radiating area divided into nine square areas for placement of radiating patches;
in the figure: 1-a gradual change patch helical dipole radiating patch; a 2-radiating arm unit; 3-helical radiating arms; 4-radiating patches; 5-feeder lines; 6-isolating the gap; 7-complementary slit inductive radiating patches; 8-complementary gaps; 9-a radiator; 10-ceramic flakes; 11-ferrite coating; 12-film matrix.
Detailed Description
As shown in fig. 1-4, the gradual change patch spiral dipole-complementary slot composite ultra-wideband antenna comprises a sheet-shaped radiator 9; the radiator 9 comprises a film substrate 12, a gradual change patch spiral dipole radiation patch 1 on the front surface of the film substrate 12 and a complementary gap induction radiation patch 7 on the back surface of the film substrate 12; the gradual change patch spiral dipole radiation patch 1 comprises a radiation arm unit 2, wherein the radiation arm unit 2 comprises a feeder line 5, a spiral radiation arm 3 and a plurality of radiation sheets 4 with the same shape; the feeder line 5 is electrically connected to a starting point of the outer edge of the spiral radiating arm 3, and the radiating fins 4 are attached to the spiral radiating arm 3 and distributed from large to small on a spiral path from outside to inside.
The radiation sheets 4 are square, and the radiation sheets 4 are distributed from large to small on a spiral path from outside to inside according to a broken line spiral rule.
The number of the radiation arm units 2 in the gradual change patch spiral dipole radiation patch 1 is two, the two radiation arm units 2 are symmetrically arranged in the gradual change patch spiral dipole radiation patch 1 in a left-right mirror symmetry mode by taking the center point of the gradual change patch spiral dipole radiation patch 1 as a symmetrical point.
A partition gap 6 is arranged at the symmetrical center line between the two radiating arm units 2, and the feed points of the two radiating arm units 2 are respectively arranged at two sides of the partition gap 6.
The side wall of the gap of the complementary gap 8 is a conductor of the complementary gap induction radiation patch; the bottom of the complementary slit is a film substrate 12.
A ceramic sheet 10 is arranged below the radiator 9; the ceramic sheet 10 is provided with a ferrite coating 11 at the surface facing away from the radiator 9.
The gradual change patch spiral dipole radiation patch 1 on the front surface of the film substrate and the complementary gap induction radiation patch 7 on the back surface of the film substrate are printed by graphene conductive ink.
The film substrate 12 is a polyethylene terephthalate film substrate, and has a rectangular shape, a size of 40 mm +/-1 mm ×15 mm +/-1 mm, a thickness of 0.2 mm +/-0.02 mm and a relative dielectric constant of 3.0+/-0.1;
the feeder length of the radiating arm unit 2 is 5.5 mm plus or minus 0.1 mm;
the ceramic sheet 10 is a low-loss microwave ceramic sheet, the shape of the ceramic sheet is rectangular, the size is 40 mm +/-1 mm multiplied by 15 mm +/-1 mm, the thickness is 0.5 mm +/-0.1 mm, and the relative dielectric constant is 55+/-5;
the ferrite coating 11 has the same size as the ceramic sheet, and the ferrite is soft magnetic ferrite which is prepared and sintered and molded by materials including ferric oxide, nickel oxide, zinc oxide, manganese oxide, magnesium oxide, barium oxide and strontium oxide.
The area distributed by the spiral radiation arms of the radiation arm unit is a gradual change patch spiral radiation area; the size of the gradual change patch spiral radiation area is 15 mm +/-1 mm multiplied by 15 mm +/-1 mm; the gradual change patch spiral radiation area is divided into 3 rows and 3 columns, and 9 square areas with the size of 5 mm multiplied by 5 mm are used for placing radiation sheets, and a square radiation sheet is placed in the center position of each square area; 9 radiation sheets with large-to-small sizes are arranged on the path from the outside to the inside of the spiral radiation arm to the tail end of the radiation arm; the side lengths of the 9 square radiation sheets are 4.5 mm +/-0.1 mm, 4.0 mm +/-0.1 mm, 3.5 mm +/-0.1 mm, 3.0 mm +/-0.1 mm, 2.5 mm +/-0.1 mm, 2.0 mm +/-0.1 mm, 1.5 mm +/-0.1 mm, 1.0 mm +/-0.1 mm and 0.5 mm +/-0.1 mm in sequence from large to small.
Claims (8)
1. The gradual change paster spiral dipole-complementary gap compound ultra-wideband antenna is characterized in that: the antenna comprises a sheet-shaped radiator; the radiator comprises a film substrate, a gradual change patch spiral dipole radiation patch on the front side of the film substrate and a complementary gap induction radiation patch on the back side of the film substrate; the gradual change patch spiral dipole radiation patch comprises a radiation arm unit, wherein the radiation arm unit comprises a feeder line, a spiral radiation arm and a plurality of radiation sheets with the same shape; the feeder line is electrically connected to the starting point of the outer edge of the spiral radiation arm, and the radiation sheets are attached to the spiral radiation arm and distributed on a spiral path from outside to inside according to the size from large to small;
the two radiating arm units are arranged in the gradual change patch spiral dipole radiating patch, the two radiating arm units are arranged in the gradual change patch spiral dipole radiating patch in a left-right mirror symmetry mode by taking the center point of the gradual change patch spiral dipole radiating patch as a symmetrical point;
complementary gaps are arranged in the complementary gap induction radiation patch and are arranged according to the distribution shape of the conductors of the radiation arm units.
2. The tapered patch helical dipole-complementary slot composite ultra-wideband antenna of claim 1, wherein: the radiation sheets are square, and are distributed from large to small on a spiral path from outside to inside according to a broken line spiral rule.
3. The tapered patch helical dipole-complementary slot composite ultra-wideband antenna of claim 1, wherein: a partition gap is arranged at the symmetrical center line between the two radiating arm units, and feed points of the two radiating arm units are respectively arranged at two sides of the partition gap.
4. The tapered patch helical dipole-complementary slot composite ultra-wideband antenna of claim 1, wherein: the side wall of the gap of the complementary gap is a conductor of the complementary gap induction radiation patch; the bottom of the complementary gap is a film substrate.
5. The tapered patch helical dipole-complementary slot composite ultra-wideband antenna of claim 1, wherein: a ceramic sheet is arranged below the radiator; and ferrite coating layers are arranged on the surfaces of the ceramic thin sheets, which are opposite to the radiator.
6. The tapered patch helical dipole-complementary slot composite ultra-wideband antenna of claim 5, wherein: the gradual change patch spiral dipole radiation patch on the front side of the film substrate and the complementary gap induction radiation patch on the back side of the film substrate are printed by graphene conductive ink.
7. The tapered patch helical dipole-complementary slot composite ultra-wideband antenna of claim 5, wherein: the film substrate is a polyethylene terephthalate film substrate, the shape of the film substrate is rectangular, the size of the film substrate is 40 mm +/-1 mm multiplied by 15 mm +/-1 mm, the thickness of the film substrate is 0.2 mm +/-0.02 mm, and the relative dielectric constant of the film substrate is 3.0+/-0.1;
the feeder line length of the radiation arm unit is 5.5 mm +/-0.1 mm;
the ceramic sheet is a low-loss microwave ceramic sheet, the shape of the ceramic sheet is rectangular, the size of the ceramic sheet is 40 mm +/-1 mm multiplied by 15 mm +/-1 mm, the thickness of the ceramic sheet is 0.5 mm +/-0.1 mm, and the relative dielectric constant of the ceramic sheet is 55+/-5;
the size of the ferrite coating is the same as that of the ceramic sheet, and the ferrite is soft magnetic ferrite which is prepared and sintered and molded by materials including ferric oxide, nickel oxide, zinc oxide, manganese oxide, magnesium oxide, barium oxide and strontium oxide.
8. The tapered patch helical dipole-complementary slot composite ultra-wideband antenna of claim 2, wherein: the area distributed by the spiral radiation arms of the radiation arm unit is a gradual change patch spiral radiation area; the size of the gradual change patch spiral radiation area is 15 mm +/-1 mm multiplied by 15 mm +/-1 mm; the gradual change patch spiral radiation area is divided into 3 rows and 3 columns, and 9 square areas with the size of 5 mm multiplied by 5 mm are used for placing radiation sheets, and a square radiation sheet is placed in the center position of each square area; 9 radiation sheets with large-to-small sizes are arranged on the path from the outside to the inside of the spiral radiation arm to the tail end of the radiation arm; the side lengths of the 9 square radiation sheets are 4.5 mm +/-0.1 mm, 4.0 mm +/-0.1 mm, 3.5 mm +/-0.1 mm, 3.0 mm +/-0.1 mm, 2.5 mm +/-0.1 mm, 2.0 mm +/-0.1 mm, 1.5 mm +/-0.1 mm, 1.0 mm +/-0.1 mm and 0.5 mm +/-0.1 mm in sequence from large to small.
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| CN201810180813.1A CN108511883B (en) | 2018-03-06 | 2018-03-06 | Gradual change patch spiral dipole-complementary gap composite ultra-wideband antenna |
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| CN201810180813.1A CN108511883B (en) | 2018-03-06 | 2018-03-06 | Gradual change patch spiral dipole-complementary gap composite ultra-wideband antenna |
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| CN108511883B true CN108511883B (en) | 2023-05-12 |
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| CN107732450A (en) * | 2017-12-01 | 2018-02-23 | 厦门大学嘉庚学院 | Multilayer for mobile digital TV gradually variant Fractal gap graphene antenna |
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2018
- 2018-03-06 CN CN201810180813.1A patent/CN108511883B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008219322A (en) * | 2007-03-02 | 2008-09-18 | Murata Mfg Co Ltd | Patch antenna device |
| CN102544722A (en) * | 2012-01-04 | 2012-07-04 | 电子科技大学 | Polarization reconfigurable high-gain panel antenna |
| CN205016676U (en) * | 2015-10-22 | 2016-02-03 | 余文睿 | Tree -like dipole antenna of mirror image compensation |
| CN206992300U (en) * | 2017-07-17 | 2018-02-09 | 桂林电子科技大学 | The double-polarized printed dipole antenna in uhf band ultra wide band ± 45 ° |
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