CN104617681B - A kind of multidirectional transmission three-dimensional hollow coil of magnet coupled resonant type wireless electric energy - Google Patents
A kind of multidirectional transmission three-dimensional hollow coil of magnet coupled resonant type wireless electric energy Download PDFInfo
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- CN104617681B CN104617681B CN201510035853.3A CN201510035853A CN104617681B CN 104617681 B CN104617681 B CN 104617681B CN 201510035853 A CN201510035853 A CN 201510035853A CN 104617681 B CN104617681 B CN 104617681B
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- Prior art keywords
- dimensional hollow
- hollow coil
- multidirectional
- radio energy
- coil
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 238000003491 array Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
- H01F2005/027—Coils wound on non-magnetic supports, e.g. formers wound on formers for receiving several coils with perpendicular winding axes, e.g. for antennae or inductive power transfer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
- H01F2038/146—Inductive couplings in combination with capacitive coupling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
A kind of multidirectional transmission three-dimensional hollow coil of magnet coupled resonant type wireless electric energy, six ribs by wire along regular cube or cuboid wind some circles, constitute the three-dimensional hollow coil of nonplanar structure.Its two leads are connected with tuning capacitance, the multidirectional transmission trunking end of radio energy is constituted；Its two leads are connected with tuning capacitance and inverter, the multidirectional transmitting end of radio energy is constituted；By its two leads and tuning capacitance and load in series, the multidirectional traffic load end of radio energy is constituted.Its is simple in construction, easy to make by the present invention.It is easy to conformal with the wall in the surrounding environment such as market, factory, family, furniture turning.Constituted resonator is connected with tuning capacitance using the three dimensional coils can serve as transmitting terminal resonator, relay resonator or load-receipt end resonator in the radio energy transmission system of multi-resmator, flexibly change the direction of propagation of radio energy, to carry out wireless power transmission positioned at the load of different azimuth.
Description
Technical field
The invention belongs to radio energy transmission system technical field.
Background technology
The magnet coupled resonant type wireless electric energy transmission technology grown up in recent years, utilizes transmitting terminal inductance coil and reception
Hold the near field magnetic coupling resonance of inductance coil intermediate range distance high-efficient, it is non-radiative transmit electric energy, with convenient, safety, clean
The advantages of, extensively paid close attention to by people.
The existing most of patents in the current field are all single transmitting terminal, the wireless charging structure of single receiving terminal.It is corresponding,
It is typically the two dimension of the planes such as rectangle or circle as the air-core inductance of transmitting terminal and receiving terminal resonator important component
Structure, this 2 D-coil has stronger directionality, generally only has maximum efficiency of transmission on a certain specific direction, no
Electric energy transmission is carried out to multiple loads beneficial to along multiple different directions.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, proposes a kind of multidirectional transmission of magnet coupled resonant type wireless electric energy
Three-dimensional hollow coil, the LC resonators made using the inductance coil of this structure can carry out nothing in space along in multiple directions
Line electric energy is transmitted, or carries out wireless charging to multiple loads for being positioned over different directions simultaneously.
The present invention is achieved by the following technical solutions.
Six ribs by wire along regular cube or cuboid wind some circles, constitute the three-dimensional of a nonplanar structure
Air core coil.
Above-mentioned two leads of three-dimensional hollow coil are connected by the present invention with tuning capacitance, you can composition serves as energy transfer
The multidirectional transmission trunking end of radio energy, expand wireless power transmission coverage.
The present invention by above-mentioned two leads of three-dimensional hollow coil and tuning capacitance with and inverter connect, may make up wirelessly
The multidirectional transmitting end of electric energy, can provide electric energy for the load-receipt end of multiple different directions.
Above-mentioned two leads of three-dimensional hollow coil and tuning capacitance and load in series may make up radio energy many by the present invention
To traffic load end, to receive the radio energy from multiple different directions.
The present invention, can be close by the way of using enamel covered wire to low-power applications.To high-power applications, big line footpath should be used
Copper wire winding, and it is every circle wire between reserve a fixed gap.
The present invention proposes a kind of three-dimensional air-core inductance, and its is simple in construction, easy to make.It is easy to and market, work
Wall turning, furniture turning in the surrounding environment such as factory, family etc. are conformal.Institute's structure is connected with tuning capacitance using the three dimensional coils
Into resonator transmitting terminal resonator, relay resonator or negative can be served as in the radio energy transmission system of multi-resmator
Receiving terminal resonator is carried, flexibly changes the direction of propagation of radio energy, to carry out radio energy biography positioned at the load of different azimuth
It is defeated.
Brief description of the drawings
Fig. 1 is wound with the schematic diagram of the three-dimensional hollow inductance coil of two circles for the present invention along six ribs of square.1 is three-dimensional
Air-core inductance, 11 be two leads.
Fig. 2 is the radio energy of the three-dimensional hollow inductance coil of the present invention vertically mutual inductance such as 6 directions of left-right and front-back progress
Transmit schematic diagram.
Fig. 3 is the multidirectional transmission characteristic of three-dimensional hollow inductance coil of the present invention in the horizontal plane.Wherein, 1 is three-dimensional hollow
Inductance coil, 2 be planar rectangular coil.
It is mutual between three-dimensional hollow inductance coil and plane square coil when Fig. 4 is that Φ in Fig. 3 changes from 0 ° to 360 °
Inductance value.
Radio energy multidirectional transmitting end schematic diagrames of the Fig. 5 for the present invention using three-dimensional hollow inductance coil as component.
Radio energy multidirectional transmission trunking end schematic diagrames of the Fig. 6 for the present invention using three-dimensional hollow inductance coil as component.
The multidirectional traffic load receiving terminal signal of radio energies of the Fig. 7 for the present invention using three-dimensional hollow inductance coil as component
Figure.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Six ribs winding some circles of the three dimensional coils by wire along regular cube framework shown in Fig. 1 are formed.To small work(
Rate application, the coil can be close by the way of using enamel covered wire.To high-power applications, the coil should using big line footpath copper cash around
System, and reserve a fixed gap between every circle wire.Three dimensional coils draw two leads 11 as with tuning capacitance, inverter or
Load the interface being connected.Research shows, if planar rectangular coil is positioned over into the three dimensional coils as shown in Figure 2 with same distance
Top, lower section, left, right, front and the rear six direction of residing regular cube are simultaneously parallel with regular cube right opposite
When, the mutual inductance of planar rectangular coil and the three dimensional coils is in the same size, and this is the theoretical foundation of the multidirectional transmission of the three dimensional coils.
And the multidirectional transmission characteristic of the three dimensional coils is not limited on above-mentioned 6 directions.As shown in figure 3, by rectangular lines
Circle (can also be used as source transmitting coil as load-receipt coil depending on application scenario) is vertically disposed in residing for three dimensional coils
At the xOy horizontal planes of framework regular cube, the center of framework regular cube and the origin of coordinates are overlapped, the center P of square coil with
Origin of coordinates O lines OP is vertical with test rectangle coil, and when OP and x-axis angle Φ from 0 ° increases to 360 °, i.e., square coil is around z
When axle rotates a circle, in -20 °~110 ° and 160 °~290 ° of polarizers of big angle scope, mutual inductance change is very steady.Fig. 4
Give the framework square length of side 20cm of three-dimensional hollow inductance coil, the number of turn 3 to enclose, planar rectangular coil length of side 16cm, the number of turn 3
Circle, simulation result during r=20cm.As a result showIn (- 20 °~110 °) and (160 °~290 °) polarizers of big angle scope
Interior, the mutual inductance size value between above-mentioned two coil is between 0.22 μ H-0.24 μ H, and amplitude of variation is less than 10%.
In actual applications, the three dimensional coils shown in Fig. 5 are in series by lead and tuning capacitance and inverter, structure
Into the multidirectional transmitting end of radio energy, planar rectangular coil can be positioned over multiple sides such as front and rear up and down as loading coil
Position, electric energy is coupled to receive with identical mutual inductance and source transmitting coil.Three dimensional coils shown in Fig. 6 pass through lead connection tuning electricity
Hold, constitute the multidirectional transmission trunking end of radio energy, can be from the multiple directions wireless receiving electric energy such as front and rear up and down and then relaying
Pass to the load in other multiple directions such as front and rear up and down.Three dimensional coils shown in Fig. 7 through lead and tuning capacitance with
And load is in series, the multidirectional traffic load receiving terminal of radio energy is constituted, is easy to receive the source transmitting in multiple directions
The radio energy of coil or repeat transmitted coil.
This three-dimensional air-core inductance has the advantages that simple in construction, easy to make.Because the structure of its own is special
Point, it is easy to and the structure such as wall turning, furniture turning is conformal, and it is used as house decoration, a part for furniture.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for example, with above-mentioned three in Fig. 3
The shape that dimension coil carries out the planar coil of inductive transmission radio energy is not limited to rectangle or circle, six
Side shape or other suitable shapes.Obviously, those skilled in the art can carry out various changes and modification without de- to the present invention
From the spirit and scope of the present invention.So, if these modifications and variations of the present invention belong to the claims in the present invention and its waited
Within the scope of technology, then the present invention is also intended to comprising including these changes and modification.
Claims (4)
1. a kind of multidirectional transmission three-dimensional hollow coil of magnet coupled resonant type wireless electric energy, it is characterized in that by wire along regular cube
Or six ribs of cuboid wind some circles, the three-dimensional hollow coil of a nonplanar structure, the regular cube or length are constituted
Six rib tandem arrays of cube, the three-dimensional hollow coil for constituting closure, and any three ribs therein are all non-coplanar；Described three
Dimension air core coil can be positioned over corner, table Angle Position coplanarly without extra space-consuming.
2. the application of the three-dimensional hollow coil described in claim 1, it is characterized in that by two leads of three-dimensional hollow coil with adjusting
Humorous electric capacity is connected, and constitutes the multidirectional transmission trunking end of radio energy.
3. the application of the three-dimensional hollow coil described in claim 1, it is characterized in that by two leads of three-dimensional hollow coil with adjusting
Humorous electric capacity and inverter series connection, constitutes the multidirectional transmitting end of radio energy.
4. the application of the three-dimensional hollow coil described in claim 1, it is characterized in that by two leads of three-dimensional hollow coil with adjusting
Humorous electric capacity and load in series, constitute the multidirectional traffic load receiving terminal of radio energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510035853.3A CN104617681B (en) | 2015-01-26 | 2015-01-26 | A kind of multidirectional transmission three-dimensional hollow coil of magnet coupled resonant type wireless electric energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510035853.3A CN104617681B (en) | 2015-01-26 | 2015-01-26 | A kind of multidirectional transmission three-dimensional hollow coil of magnet coupled resonant type wireless electric energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104617681A CN104617681A (en) | 2015-05-13 |
| CN104617681B true CN104617681B (en) | 2017-07-28 |
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| CN201510035853.3A Expired - Fee Related CN104617681B (en) | 2015-01-26 | 2015-01-26 | A kind of multidirectional transmission three-dimensional hollow coil of magnet coupled resonant type wireless electric energy |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634151A (en) * | 2016-03-29 | 2016-06-01 | 中惠创智无线供电技术有限公司 | Resonant coil coupled 3D spherical model |
| CN105871080B (en) * | 2016-05-31 | 2019-04-09 | 中惠创智无线供电技术有限公司 | A kind of interpolar multi-panel body device, wireless power supply and the system of resonance coupling |
| CN106230129B (en) * | 2016-08-09 | 2019-04-30 | 东南大学 | A kind of refrigerator sensor wireless power transmission resonator and energy distributing method |
| CN206060365U (en) * | 2016-08-31 | 2017-03-29 | 矽力杰半导体技术(杭州)有限公司 | Electric energy transmitting antenna and the electric energy transmission device using which |
| CN109004768B (en) | 2018-06-26 | 2022-05-31 | 华为技术有限公司 | Wireless charging device and method |
| CN110112834A (en) * | 2019-05-16 | 2019-08-09 | 中南大学 | The transmitting of omni-directional magnet coupled resonant type wireless energy transmission, reception device and system |
| CN112865337A (en) * | 2021-01-22 | 2021-05-28 | 华中科技大学 | Multi-degree-of-freedom multi-load wireless electric energy transmission device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8629576B2 (en) * | 2008-03-28 | 2014-01-14 | Qualcomm Incorporated | Tuning and gain control in electro-magnetic power systems |
| JP5640515B2 (en) * | 2010-07-15 | 2014-12-17 | ソニー株式会社 | Power transmission relay device, power transmission device, and method of manufacturing power transmission relay device |
| CN202374055U (en) * | 2011-12-29 | 2012-08-08 | 太原中博信息科学研究院（有限公司） | Low-frequency high-voltage wireless energy transmission device |
| CN102593964A (en) * | 2012-03-20 | 2012-07-18 | 中国人民解放军国防科学技术大学 | Direction-adaptive magnetic coupling resonant wireless power supply method and device |
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| CN104617681A (en) | 2015-05-13 |
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Granted publication date: 20170728 |