CN109728656A - A kind of wireless power transmission resonator structure based on electromagnetism Meta Materials - Google Patents
A kind of wireless power transmission resonator structure based on electromagnetism Meta Materials Download PDFInfo
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- CN109728656A CN109728656A CN201910163963.6A CN201910163963A CN109728656A CN 109728656 A CN109728656 A CN 109728656A CN 201910163963 A CN201910163963 A CN 201910163963A CN 109728656 A CN109728656 A CN 109728656A
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Abstract
The invention discloses a kind of wireless power transmission resonator structures based on electromagnetism Meta Materials, including shell and the electromagnetic energy dispatch coil for being set to enclosure interior, shell includes top plate and bottom plate and four side plates, wherein, top plate is convergent type electromagnetism metamaterial layer, and bottom plate and four side plates are shield type electromagnetism metamaterial layer；Shield type electromagnetism metamaterial layer and convergent type electromagnetism metamaterial layer are applied not only to the electromagnetic wave that regulation electromagnetic energy dispatch coil generates in space, are also used to play the role of shell protection to electromagnetic energy dispatch coil.Resonator structure of the invention is suitable for project of transmitting and converting electricity sensor apart from wireless power, by electromagnetism Meta Materials, resonator coil, middle combining apart from wireless power technological perfectionism, power supply efficiency and power in effectively being promoted apart from wireless power supply system, the volume of wireless power supply system is effectively saved simultaneously, and input cost is low, high reliablity, practicability are stronger.
Description
Technical field
The present invention relates in space apart from wireless power transmission technology, more particularly to a kind of nothing based on electromagnetism Meta Materials
Line electric energy transmits resonator structure, belongs to the technical field of project of transmitting and converting electricity status monitoring sensor wireless power supply.
Background technique
With the large-scale development of project of transmitting and converting electricity, the Supply Security of surrounding status monitoring sensor, duration,
The problems such as stability, has become the hot issue of domestic and international experts and scholars' research, the existing settling mode of the problem are as follows: first is that point
The power supply of the cloth energy；Second is that optical-fiber laser energizes；Third is that being energized using electric current and voltage transformer route；Although each method has
Respective unique advantage, but since power supply is not sufficiently stable, higher cost, the reasons such as reliability is low, cannot get good popularization with
Using wireless power transmission technology has received widespread attention the Technical Economy of electric energy transmission, flexibility, safety because of it；
But the technology is there are still a series of bottleneck problem, as space magnetic field that resonator dispatch coil generates will appear decaying it is too fast,
It is unevenly distributed, leads to that transmission range is short, transmission efficiency is low, electromagnetism caused by electromagnetic exposure in stability difference and energy transmission
The problems such as pollution, electromagnetic interference, is increasingly prominent, to limit in project of transmitting and converting electricity status monitoring sensor apart from wireless power
Popularization and other application development.
Summary of the invention
Goal of the invention: in view of the deficiencies of the prior art, it is humorous to provide a kind of wireless power transmission based on electromagnetism Meta Materials
Vibration device structure, realizes the efficient combination of electromagnetism Meta Materials and electromagnetic energy dispatch coil, improves middle apart from radio energy biography
The efficiency of defeated system provides a kind of effective solution scheme for the reliable power supply of project of transmitting and converting electricity status monitoring sensor.
Technical solution: for achieving the above object, the invention adopts the following technical scheme:
A kind of wireless power transmission resonator structure based on electromagnetism Meta Materials, comprising: shell and be set to enclosure interior
Electromagnetic energy dispatch coil, shell includes top plate and bottom plate and four side plates, wherein top plate be convergent type electromagnetism metamaterial layer,
Bottom plate and four side plates are shield type electromagnetism metamaterial layer；Shield type electromagnetism metamaterial layer and convergent type electromagnetism metamaterial layer are not only
The electromagnetic wave generated in space for regulating and controlling electromagnetic energy dispatch coil is also used to play shell to electromagnetic energy dispatch coil
The effect of protection.
Optionally, convergent type electromagnetism metamaterial layer is made of the electromagnetism Meta Materials of negative magnetoconductivity, is by FR-4, Asia
The EMR electromagnetic resonance material structure that copper conductor is formed is printed on gram force or Rogers R04232 plate.
Optionally, convergent type electromagnetism metamaterial layer includes the cell factory structure that several resonance patterns are constituted, upper surface
Cell factory structure be sandwich shape, split ring resonator or cross: the cellular construction of lower surface is single copper strips structure.
Optionally, shield type electromagnetism metamaterial layer is made of the electromagnetism Meta Materials of zero magnetic conductivity, is by FR-4, Asia
The EMR electromagnetic resonance material structure that copper conductor is formed is printed on gram force or Rogers R04232 plate.
Optionally, shield type electromagnetism metamaterial layer includes the cell factory structure that several resonance patterns are constituted, shield type electricity
The cell factory structure of magnetic metamaterial layer is split ring resonator or cross.
Optionally, the coiling pattern of electromagnetic energy dispatch coil includes plane, solenoid, rectangular, round or DD coil.
Optionally, electromagnetic energy dispatch coil is fixed on coil supporting plate, and coil supporting plate is fastened in the groove of side plate, and
By being fixed through top plate-side plate-nonmetallic screw of supporting plate-bottom plate；The fairlead that the terminals of coil pass through side plate
It draws.
The utility model has the advantages that compared with prior art, a kind of wireless power transmission based on electromagnetism Meta Materials provided by the invention
Resonator structure, by by electromagnetism Meta Materials, resonator coil, middle combining apart from wireless power technological perfectionism, so that
Power supply efficiency and power in project of transmitting and converting electricity status monitoring sensor apart from wireless power supply system are substantially improved, while effectively section
The volume of wireless power supply system is saved, input cost is low, high reliablity, practicability are stronger.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is A-A sectional view in Fig. 1；
Fig. 3 is the supporting plate schematic diagram of fixed coil；
Fig. 4 is convergent type electromagnetism metamaterial layer structural schematic diagram；
Fig. 5 is the cellular construction schematic diagram of convergent type electromagnetism metamaterial layer upper surface；
Fig. 6 is the cellular construction schematic diagram of convergent type electromagnetism metamaterial layer lower surface；
Fig. 7 is shield type electromagnetism metamaterial layer structural schematic diagram；
Fig. 8 is the cellular construction schematic diagram of shield type electromagnetism metamaterial layer.
Specific embodiment
Technical solution of the present invention is described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, Figure 2 and Figure 3, based on the wireless power transmission resonator structure of electromagnetism Meta Materials, comprising: shell 1
With the electromagnetic energy dispatch coil 2 for being set to enclosure interior, shell includes top plate and bottom plate and four side plates, wherein top plate is to converge
Poly- type electromagnetism metamaterial layer, bottom plate and four side plates are shield type electromagnetism metamaterial layer, and electromagnetic energy dispatch coil is fixed on line
It encloses on supporting plate 3, terminals are drawn by the fairlead of side plate；Coil supporting plate is fastened in the groove of side plate；Entire shell is logical
The nonmetallic screw 4 crossed through top plate, side plate, coil supporting plate and bottom plate is fixed；Shield type electromagnetism metamaterial layer and convergent type
Electromagnetism metamaterial layer is applied not only to the electromagnetic wave that regulation electromagnetic energy dispatch coil generates in space, is also used to electromagnetic energy
Dispatch coil plays the role of shell protection；Electromagnetism metamaterial layer is by specific electromagnetic wave frequency to the principle that electromagnetic wave regulates and controls
Under rate, the size of Meta Materials cell factory is much smaller than electromagnetic wavelength, and at this time relative to wavelength length, electromagnetism Meta Materials can be by
It is considered as " molecule " or " atom ", the resonant state occurred by therein is presented " left-handedness effect ", to show zero magnetic conductance
The characteristic of rate and negative magnetoconductivity, and then the electromagnetic wave in space is regulated and controled, bring it about reflection or refraction.
As shown in Fig. 2, the first shield type type electromagnetism metamaterial layer 1b is used to shield the close of electromagnetic energy dispatch coil generation
Field electromagnetic wave, while it being placed in the side of electromagnetic energy dispatch coil, for wrapping up electromagnetic energy dispatch coil, while for branch
Support coil supporting plate.
Secondary shielding type electromagnetism metamaterial layer 1c is used to shield the near field electromagnetic wave of electromagnetic energy dispatch coil generation, simultaneously
It is placed in the bottom of electromagnetic energy dispatch coil, for protecting electromagnetic energy dispatch coil.The resonance of shield type electromagnetism Meta Materials
Pattern includes split ring resonator, cross.
Convergent type electromagnetism metamaterial layer 1a is for converging to wirelessly the near field electromagnetic wave that electromagnetic energy dispatch coil generates
The transmission channel of electric energy transmission system, while it being placed in the top of electromagnetic energy dispatch coil, for covering electromagnetic energy transmitting-receiving
Coil.The resonance pattern of convergent type electromagnetism Meta Materials includes sandwich shape, split ring resonator, cross.
As shown in Figure 4, Figure 5 and Figure 6, convergent type electromagnetism metamaterial layer is made of the electromagnetism Meta Materials of negative magnetoconductivity, is
The EMR electromagnetic resonance material formed by printing copper conductor on the plates such as FR-4, acrylic or Rogers R04232, print copper
Conducting wire includes several internal cell factory structures.The resonance pattern of its internal cell factory can pass through business electromagnetic simulation software
ANSYS is designed preferred with frequency, by the cyto-architectural 3D pattern of ANSYS-HFSS Software on Drawing unit when design, passes through
Boundary condition and port mode, the S parameter of simulation calculation resonance pattern are set, and then pass through the S parameter method of inversion, calculating resonance figure
The equivalent permeability of case and applicable frequency.As shown in figure 4, a kind of resonance for convergent type electromagnetism metamaterial layer that the present embodiment provides
Pattern, the cell factory structure of upper surface are specially the polycyclic pattern of square aperture, as shown in Figure 5；Convergent type electromagnetism Meta Materials
The cell factory structure of layer lower surface is specially single copper strips structure, as shown in Figure 6.
As shown in Figure 7 and Figure 8, shield type electromagnetism metamaterial layer is made of the electromagnetism Meta Materials of zero magnetic conductivity, is to pass through
The EMR electromagnetic resonance material that copper conductor is formed is printed on the plates such as FR-4, acrylic or Rogers R04232, prints copper conductor
Including several internal cell factory structures.The resonance pattern of its internal cell factory can pass through business electromagnetic simulation software
ANSYS is designed preferred with frequency, by the cyto-architectural 3D pattern of ANSYS-HFSS Software on Drawing unit when design, passes through
Boundary condition and port mode, the S parameter of simulation calculation resonance pattern are set, and then pass through the S parameter method of inversion, calculating resonance figure
The equivalent permeability of case and applicable frequency.As shown in fig. 7, a kind of resonance for shield type electromagnetism metamaterial layer that the present embodiment provides
Pattern is equipped with fairlead between resonance pattern；Its cell factory structure is the polycyclic pattern of square aperture, as shown in Figure 8.
The plates such as FR-4, acrylic or Rogers R04232 are used as shell by assembling, as shown in Fig. 2, playing protection
The effect of resonator coil, the copper conductor resonance pattern of printing are then combined by unit, and regulation resonator coil electromagnetic field is played
Effect.
Electromagnetic energy dispatch coil generates high frequency electromagnetic energy for radio energy transmission system in space；Electromagnetic energy
The coiling pattern of dispatch coil includes plane or solenoid and rectangular, round, DD coil.
In conclusion the above-mentioned wireless power transmission resonator structure based on electromagnetism Meta Materials comprehensively considers radio energy biography
The factors such as transferring technology, electromagnetism metamaterial structure, resonator housing structure.This resonator structure include electromagnetic energy dispatch coil,
Shield type electromagnetism metamaterial layer, convergent type electromagnetism metamaterial layer etc.；Electromagnetic energy dispatch coil for generating high frequency in space
Electromagnetic energy, shield type electromagnetism metamaterial layer and convergent type electromagnetism metamaterial layer are for regulating and controlling electromagnetic energy dispatch coil in space
The electromagnetic wave of middle generation is also used to the shell protection of electromagnetic energy dispatch coil；Resonator structure of the invention is suitable for defeated change
Apart from wireless power in electrical engineering sensor, by electromagnetism Meta Materials, resonator coil, middle apart from wireless power technological perfectionism
Combine, effectively the power supply efficiency and power in promotion apart from wireless power supply system, while effectively saving wireless power supply system
Volume, input cost is low, high reliablity, practicability are stronger.
Claims (7)
1. a kind of wireless power transmission resonator structure based on electromagnetism Meta Materials characterized by comprising shell and be set to
The electromagnetic energy dispatch coil of enclosure interior, shell include top plate and bottom plate and four side plates, wherein top plate is convergent type electromagnetism
Metamaterial layer, bottom plate and four side plates are shield type electromagnetism metamaterial layer；Shield type electromagnetism metamaterial layer and convergent type electromagnetism are super
Material layer is applied not only to the electromagnetic wave that regulation electromagnetic energy dispatch coil generates in space, is also used to receive and dispatch line to electromagnetic energy
Enclose the effect of shell protection.
2. a kind of wireless power transmission resonator structure based on electromagnetism Meta Materials according to claim 1, feature exist
In: convergent type electromagnetism metamaterial layer is made of the electromagnetism Meta Materials of negative magnetoconductivity, be by FR-4, acrylic or
The EMR electromagnetic resonance material structure that copper conductor is formed is printed on Rogers R04232 plate.
3. a kind of wireless power transmission resonator structure based on electromagnetism Meta Materials according to claim 1, feature exist
In: convergent type electromagnetism metamaterial layer includes the cell factory structure that several resonance patterns are constituted, the cell factory knot of upper surface
Structure is sandwich shape, split ring resonator or cross: the cellular construction of lower surface is single copper strips structure.
4. a kind of wireless power transmission resonator structure based on electromagnetism Meta Materials according to claim 1, feature exist
In: shield type electromagnetism metamaterial layer is made of the electromagnetism Meta Materials of zero magnetic conductivity, be by FR-4, acrylic or
The EMR electromagnetic resonance material structure that copper conductor is formed is printed on Rogers R04232 plate.
5. a kind of wireless power transmission resonator structure based on electromagnetism Meta Materials according to claim 1, feature exist
In: shield type electromagnetism metamaterial layer includes the cell factory structure that several resonance patterns are constituted, shield type electromagnetism metamaterial layer
Cell factory structure is split ring resonator or cross.
6. a kind of wireless power transmission resonator structure based on electromagnetism Meta Materials according to claim 1, feature exist
In: the coiling pattern of electromagnetic energy dispatch coil includes plane, solenoid, rectangular, round or DD coil.
7. a kind of wireless power transmission resonator structure based on electromagnetism Meta Materials according to claim 1, feature exist
In: electromagnetic energy dispatch coil is fixed on coil supporting plate, and coil supporting plate is fastened in the groove of side plate, and by through top
Plate-side plate-nonmetallic screw of supporting plate-bottom plate is fixed；The terminals of coil are drawn by the fairlead of side plate.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394566A (en) * | 2021-05-28 | 2021-09-14 | 哈尔滨工业大学 | All-metal metamaterial lens based on near-field convergence function and phase shift amount design method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296771A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Wireless energy transmitting system |
| CN109038867A (en) * | 2018-08-10 | 2018-12-18 | 华中科技大学 | The wireless power transmission systems performance boost device combined based on negative magnetic and zero magnetic Meta Materials |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296771A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Wireless energy transmitting system |
| CN109038867A (en) * | 2018-08-10 | 2018-12-18 | 华中科技大学 | The wireless power transmission systems performance boost device combined based on negative magnetic and zero magnetic Meta Materials |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113394566A (en) * | 2021-05-28 | 2021-09-14 | 哈尔滨工业大学 | All-metal metamaterial lens based on near-field convergence function and phase shift amount design method thereof |
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