CN112821578A - Hybrid energy collecting device based on dual-frequency transparent dielectric resonator antenna - Google Patents
Hybrid energy collecting device based on dual-frequency transparent dielectric resonator antenna Download PDFInfo
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- CN112821578A CN112821578A CN202110080022.3A CN202110080022A CN112821578A CN 112821578 A CN112821578 A CN 112821578A CN 202110080022 A CN202110080022 A CN 202110080022A CN 112821578 A CN112821578 A CN 112821578A
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- dielectric resonator
- resonator antenna
- transparent dielectric
- antenna
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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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
- H01Q9/0485—Dielectric resonator antennas
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a mixed energy collecting device based on a dual-frequency transparent dielectric resonator antenna, wherein a rectifying circuit (3) is arranged below a dielectric plate (5), a grounding plate (9) and a thin film solar cell (1) are arranged on the dielectric plate (5), a transparent dielectric resonator antenna (2) is positioned on the solar thin film cell (1), the transparent dielectric resonator antenna (2) is provided with a probe (4), the probe (4) feeds power to the transparent dielectric resonator antenna (2) from the lower rectifying circuit (3) through a through hole (6) of the dielectric plate (5), a transparent conductive film (7) is connected between the probe (4) and the transparent dielectric resonator antenna (2), and the periphery of the transparent dielectric resonator antenna (2) is provided with a conductive strip (8) for exciting various modes of the transparent dielectric resonator antenna (2). The hybrid energy collection device provides a solution for long-distance wireless charging of a future wireless sensor.
Description
Technical Field
The invention relates to the technical field of energy collection, in particular to a hybrid energy collection device based on a dual-frequency transparent dielectric resonator antenna.
Background
With the rapid development of modern industrial society, wireless sensors and internet of things devices are widely used, but the continuous supply of energy for the devices becomes a problem to be solved urgently. Conventional wireless devices operate on a battery supply, but the battery is used for a while, so when the battery needs to be replaced, resource waste and environmental pollution are inevitably caused. In order to solve these problems, it is necessary to realize self-sufficiency of low power devices in the field of wireless sensors such as the internet of things, and energy harvesting technology is needed.
Solar energy is the most widespread on the earth at present, and has the advantages of green, no pollution, large reserve, long service life and the like. Solar energy collection technology has developed to a great extent, and various forms of solar cells are emerging. The radio frequency energy collection technology has the obvious advantages of long energy transmission distance, flexible position, trackability, no pollution and the like, is emphasized by all countries in the world, and at present, the microwave energy transmission technology is mainly developed towards high-efficiency energy conversion and utilization and the like. Therefore, the radio frequency and solar hybrid energy is integrated and combined to maximize the energy collection and utilization rate.
Disclosure of Invention
The technical problem is as follows: in order to overcome the defects in the prior art, the invention provides a high-efficiency dual-band energy collecting system, and the high-efficiency dual-band energy collecting system is combined with a solar cell to realize a radio frequency-solar energy mixed energy collecting system. Integrating the two together reduces the overall size and achieves higher hybrid energy collection efficiency.
The technical scheme is as follows: in order to solve the technical problems, the hybrid energy collecting device based on the dual-frequency transparent dielectric resonator antenna adopts the technical scheme that:
the mixed energy collecting device takes a dielectric plate as a substrate, a rectifying circuit is arranged below the dielectric plate, a ground plate is arranged above the dielectric plate, a thin-film solar cell is arranged above the ground plate, a transparent dielectric resonator antenna used as a protective layer of the thin-film solar cell is positioned on the solar thin-film cell, a probe is arranged on the transparent dielectric resonator antenna, the probe feeds the transparent dielectric resonator antenna from the rectifying circuit below through a through hole of the dielectric plate, a layer of transparent conductive film is connected between the probe and the transparent dielectric resonator antenna, and conductive strips are arranged around the transparent dielectric resonator antenna and used for exciting various modes of the transparent dielectric resonator antenna.
The solar thin-film battery adopts the amorphous silicon solar thin film to collect solar energy, the transparent dielectric resonator antenna is used as a receiving antenna to collect radio frequency energy in the environment, and meanwhile, the collection of the radio frequency energy and the solar energy is realized, and the radio frequency-solar energy mixed energy collecting device is realized.
The transparent dielectric resonator antenna is fed through the probe, the plurality of conducting films are adhered to the periphery of the transparent dielectric resonator antenna, so that various modes of the transparent dielectric resonator antenna are excited, the range of the antenna for receiving radio frequency energy is expanded, and the defect of low radio frequency energy density in a natural environment is effectively overcome.
The transparent dielectric resonator antenna and the rectifying circuit share a grounding plate.
The rectification circuit adopts a high-efficiency double-frequency rectification circuit.
The transparent dielectric resonator antenna, the probe, the thin-film solar cell and the rectifying circuit are connected through hot melt adhesive.
The transparent conductive film is adhered to the periphery of the transparent dielectric resonator antenna by using a nano adhesive tape.
Has the advantages that: compared with the existing hybrid energy collection system, the hybrid energy collection system has the following outstanding characteristics:
1. the invention has more compact size and simpler structure:
2. the hybrid energy collection system is formed by the transparent dielectric resonator antenna on the upper layer, the amorphous silicon thin-film solar cell and the rectifying circuit. The transparent antenna is used as a protective layer of the amorphous silicon solar thin film battery, and can prevent the thin film battery from being oxidized.
3. The transparent conducting films are pasted on the periphery of the antenna, so that various modes of the dielectric resonator antenna can be excited, the dual-frequency function is realized, and more radio frequency energy in the environment can be collected.
Drawings
Fig. 1 is a schematic view of the general structure of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
FIG. 4 is a graph of the reflection coefficient of the present invention.
Fig. 5 is an antenna pattern of the present invention at 2.45 GHz.
Fig. 6 is an antenna pattern of the present invention at 3.6 GHz.
Fig. 7 is a structural view of a rectifier circuit of the present invention.
Fig. 8 is a simulation diagram of the output efficiency of the rectifier circuit of the present invention.
Fig. 9 is a simulation diagram of the output voltage of the rectifier circuit of the present invention.
The figure shows that: the device comprises a thin-film solar cell 1, a transparent dielectric resonator antenna 2, a rectifying circuit 3, a probe 4, a dielectric plate 5, a through hole 6, a transparent conductive film 7, a conductive strip 8 and a grounding plate 9.
Detailed Description
The hybrid energy collecting device based on the dual-frequency transparent dielectric resonator antenna comprises the transparent dielectric resonator antenna used as an amorphous silicon solar thin film protective layer, a solar thin film battery and a rectifying circuit, so that a radio frequency-solar hybrid energy collecting system is realized. The transparent dielectric resonator antenna is mainly fed by a probe, a layer of transparent conducting film is connected between the probe and the transparent dielectric resonator, conducting strips are arranged on the periphery of the transparent dielectric resonator and used for exciting multiple modes of the dielectric resonator, a solar thin-film battery is arranged at the bottom of the transparent dielectric resonator antenna, a grounding plate and a rectifying circuit are arranged below the thin-film solar battery, and the rectifying circuit and the antenna share the grounding plate. The dielectric resonator antenna, the probe, the solar thin film battery and the rectifying circuit are connected by hot melt adhesive. The conductive film is adhered to the periphery of the antenna by using a nano adhesive tape.
In the hybrid energy collection system, the solar energy adopts an amorphous silicon solar thin-film battery, the transparent dielectric resonator antenna is used as a receiving antenna to collect the radio frequency energy in the environment, and the antenna is transparent, so that sunlight can well penetrate through the antenna, the solar battery at the bottom can collect the solar energy, and the radio frequency-solar hybrid energy collection system is well realized.
The transparent dielectric resonator antenna is fed through the probe, and the plurality of conductive films are adhered to the periphery of the antenna, so that various modes of the dielectric resonator antenna are excited, the range of the antenna for receiving radio frequency energy is expanded, and the defect of low radio frequency energy density in the natural environment is effectively overcome.
The rectifying circuit part is used as an antenna and solar cell supporting plate, and the antenna and the rectifying circuit share a grounding plate.
The high-efficiency dual-frequency rectifying circuit comprises a dual-frequency impedance matching network, a Schottky rectifying diode, a filter capacitor and a load, wherein the dual-frequency impedance matching network is used for realizing load matching of an antenna and the rectifying circuit, and radio frequency energy collected by the antenna is converted into direct current.
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the hybrid energy collection system based on the dual-band transparent dielectric resonator antenna has an overall structure including an upper dual-band transparent dielectric resonator antenna 2, an amorphous silicon thin-film solar cell 1 is arranged between the bottom of the antenna and a ground plate 9, a dual-band rectification circuit 3 is arranged below the ground plate 9, the dielectric resonator antenna is made of transparent acrylic organic glass and has high light transmittance, and the dielectric resonator antenna can be used as a radiator of the antenna, and can protect the thin-film solar cell 1 from oxidation. Transparent conductive strips 8 are adhered around the antenna to excite the dual-frequency mode and increase the radiation gain of the antenna, so that more radio frequency energy in the environment can be absorbed. The antenna adopts a mode of feeding by a probe 4, and feeds power to the transparent dielectric resonator antenna 2 above from the rectifying circuit 3 end at the bottom through a through hole 6 of the dielectric plate. The positive and negative electrodes of the thin-film solar cell 1 at the bottom of the antenna are led out by leads. The antenna and the rectifying circuit 3 share a grounding plate 9, the dielectric plate 5 of the rectifying circuit is made of Rogers5880, the dielectric constant is 2.2, the tangent loss angle is 0.0009, and the thickness of the dielectric plate is 1.58 mm.
The double-frequency rectifying circuit mainly comprises a double-frequency matching network, a Schottky rectifier diode with the model of HSMS5880, a filter capacitor and a load. The transparent dielectric resonator antenna 2, the thin-film solar cell 1 and the dual-frequency rectifying circuit 3 are connected through hot melt adhesive, and the conducting strips 8 around the antenna are adhered through nano adhesive.
As shown in fig. 1, 2 and 3, the size of the antenna is 30 × 20mm, the side length of the ground plate is 50 × 50mm, the width of the conductive strip 8 is 3mm, the length of the probe is 18mm, the position of the probe is shifted by 12mm from the center of the edge of the antenna, the size of the solar cell is 30 × 30mm, the size of the dielectric plate of the rectifying circuit is 50 × 1.58mm, the frequencies of the antenna and the rectifying circuit are 2.45GHz and 3.6GHz, and simulation software such as HFSS of Ansoft corporation, ADS of aglent corporation and the like is selected to simulate on a computer to obtain: as shown in the antenna reflection coefficient graph of fig. 4, the gain pattern of the antenna is shown in fig. 5 and 6, the structure diagram of the rectifier circuit is shown in fig. 7, and the output efficiency of the simulated dual-frequency rectifier circuit is shown in fig. 8. Fig. 9 shows the output voltage of the simulated dual-frequency rectification circuit, and the curve obtained in the above way is actually obtained under the given conditions, and if the structural parameters are changed, a similar curve can be obtained.
The above description is only a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (7)
1. A hybrid energy collection device based on dual-frequency transparent dielectric resonator antenna is characterized in that: the hybrid energy collecting device takes a dielectric plate (5) as a substrate, a rectifying circuit (3) is arranged below the dielectric plate (5), an earth plate (9) is arranged on the dielectric plate (5), a thin film solar cell (1) is arranged on the earth plate (9), a transparent dielectric resonator antenna (2) used as a protective layer of the thin film solar cell (1) is positioned on the solar thin film cell (1), the transparent dielectric resonator antenna (2) is provided with a probe (4), the probe (4) feeds power to the transparent dielectric resonator antenna (2) from the lower rectifying circuit (3) through a through hole (6) of the dielectric plate (5), a transparent conductive film (7) is connected between the probe (4) and the transparent dielectric resonator antenna (2), and the periphery of the transparent dielectric resonator antenna (2) is provided with a conductive strip (8) for exciting various modes of the transparent dielectric resonator antenna (2).
2. The dual-band transparent dielectric resonator antenna-based hybrid energy collection device according to claim 1, wherein the solar thin film battery (1) collects solar energy by using an amorphous silicon solar thin film, and the transparent dielectric resonator antenna (2) is used as a receiving antenna to collect radio frequency energy in the environment, and simultaneously, the radio frequency energy and the solar energy are collected to realize a radio frequency-solar hybrid energy collection device.
3. The dual-band transparent dielectric resonator antenna-based hybrid energy harvesting device according to claim 2, wherein the transparent dielectric resonator antenna (2) is fed through the probe (4), and a plurality of conductive films (8) are adhered around the transparent dielectric resonator antenna (2) to excite a plurality of modes of the transparent dielectric resonator antenna (2), so that the range of the antenna for receiving radio frequency energy is expanded, and the defect of low radio frequency energy density in a natural environment is effectively solved.
4. The dual band transparent dielectric resonator antenna based hybrid energy harvesting device according to claim 1, characterized in that the transparent dielectric resonator antenna (2) and the rectifying circuit (3) share a ground plane (9).
5. The dual band transparent dielectric resonator antenna-based hybrid energy harvesting device according to claim 4, characterized in that the rectifying circuit (3) is a high efficiency dual band rectifying circuit.
6. The dual-band transparent dielectric resonator antenna-based hybrid energy harvesting device according to claim 1, wherein the transparent dielectric resonator antenna (2), the probe (4), the thin-film solar cell (1), and the rectifying circuit (3) are connected by hot melt adhesive.
7. The dual band transparent dielectric resonator antenna-based hybrid energy harvesting device according to claim 1, wherein the transparent conductive film (7) is attached around the transparent dielectric resonator antenna (2) by a nano-adhesive tape.
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CN202110080022.3A CN112821578A (en) | 2021-01-21 | 2021-01-21 | Hybrid energy collecting device based on dual-frequency transparent dielectric resonator antenna |
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CN202110080022.3A CN112821578A (en) | 2021-01-21 | 2021-01-21 | Hybrid energy collecting device based on dual-frequency transparent dielectric resonator antenna |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113438566A (en) * | 2021-06-28 | 2021-09-24 | 集芯微科技(浙江)有限公司 | Self-powered telecommunication energy integrated system based on transparent glass |
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2021
- 2021-01-21 CN CN202110080022.3A patent/CN112821578A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113438566A (en) * | 2021-06-28 | 2021-09-24 | 集芯微科技(浙江)有限公司 | Self-powered telecommunication energy integrated system based on transparent glass |
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