CN104617681A - Magnetic coupling resonant wireless power multi-direction transmission three-dimensional hollow coil - Google Patents
Magnetic coupling resonant wireless power multi-direction transmission three-dimensional hollow coil Download PDFInfo
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- CN104617681A CN104617681A CN201510035853.3A CN201510035853A CN104617681A CN 104617681 A CN104617681 A CN 104617681A CN 201510035853 A CN201510035853 A CN 201510035853A CN 104617681 A CN104617681 A CN 104617681A
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- wireless power
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- hollow coil
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 230000008878 coupling Effects 0.000 title abstract description 3
- 238000010168 coupling process Methods 0.000 title abstract description 3
- 238000005859 coupling reaction Methods 0.000 title abstract description 3
- 239000003990 capacitor Substances 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000007514 turning Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 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
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer 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
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- 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
The invention discloses a magnetic coupling resonant wireless power multi-direction transmission three-dimensional hollow coil; the wire is wound around the six beams of the cube or the cuboid for forming the three-dimensional hollow coil with non-planar structure. Two leads are connected with a tuning capacitor for forming a wireless power multi-direction transmission relay end; two leads are serially connected with the tuning capacitor and the inverter power supply for forming the wireless power multi-direction transmission emission end; and two leads are serially connected with the tuning capacitor and load for forming the wireless power multi-direction transmission load end. The structure is simple and manufacture is convenient. The coil has the same shape with the wall, furniture corners in the market, factory and family environment. The resonator formed by connecting the three-dimensional coil with the tuning capacitor can be used as the transmitting terminal resonator, relay end resonator or load receiving end resonator in the wireless power transmission system of a plurality of resonators, the direction of propagation of the wireless power can be flexibly changed for executing the wireless power transmission for the loads in different directions.
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, utilize the near field magnetic coupled resonance of transmitting terminal inductance coil and receiving terminal inductance coil at intermediate range distance high-efficient, non-radiative ground electric energy transmitting, have conveniently, the advantage such as safe, clean, extensively pay close attention to by people.
The existing most of patent in this field is all the wireless charging structure of single transmit end, single receiving terminal at present.Corresponding, as the two-dimensional structure of air-core inductance normally rectangle or the plane such as circular of transmitting terminal and receiving terminal resonator vitals, this 2 D-coil has stronger directivity, usually only on a certain specific direction, there is maximum efficiency of transmission, be unfavorable for carrying out delivery of electrical energy along multiple different direction to multiple load.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of magnet coupled resonant type wireless electric energy multidirectional transmission three-dimensional hollow coil is proposed, the LC resonator utilizing the inductance coil of this structure to make can carry out wireless power transmission in space in multiple directions, or carries out wireless charging to multiple load being positioned over different directions simultaneously.
The present invention is achieved by the following technical solutions.
Wire is wound around some circles along six ribs of regular cube or cuboid, forms the three-dimensional hollow coil of a nonplanar structure.
Above-mentioned three-dimensional hollow coil two lead-in wire is connected with tuning capacitance by the present invention, can form the multidirectional transmission trunking end of the radio energy serving as energy transfer, expands the coverage of wireless power transmission.
Above-mentioned three-dimensional hollow coil two lead-in wire is connected with inverter with tuning capacitance by the present invention, and can form the multidirectional transmitting end of radio energy, the load-receipt end that can be multiple different directions provides electric energy.
The present invention, by above-mentioned three-dimensional hollow coil two lead-in wire and tuning capacitance and load in series, can form the multidirectional traffic load end of radio energy, to receive the radio energy from multiple different directions.
The present invention to low-power applications, can adopt enamel covered wire close around mode.To high-power applications, the copper wire winding of large wire diameter should be adopted, and often enclose a reserved fixed gap between wire.
The present invention proposes a kind of air-core inductance of three-dimensional, its structure is simple, easy to make.Be easy to conformal with the wall turning, furniture turning etc. in the surrounding environment such as market, factory, family.Utilize this three dimensional coils to be connected formed resonator with tuning capacitance and can serve as transmitting terminal resonator, relay resonator or load-receipt end resonator in the radio energy transmission system of multi-resmator, the direction of propagation of flexible change radio energy, for wireless power transmission is carried out in the load being positioned at different azimuth.
Accompanying drawing explanation
Fig. 1 is that the present invention is wound with the schematic diagram of the three-dimensional hollow inductance coil of two circles along square six ribs.1 is three-dimensional hollow inductance coil, and 11 is two lead-in wires.
Fig. 2 is that three-dimensional hollow inductance coil of the present invention vertically carries out waiting the wireless power transmission schematic diagram of mutual inductance in left-right and front-back 6 directions.
Fig. 3 is three-dimensional hollow inductance coil of the present invention multidirectional transmission characteristic in the horizontal plane.Wherein, 1 is three-dimensional hollow inductance coil, and 2 is planar rectangular coil.
Fig. 4 is the Φ in Fig. 3 when changing from 0 ° to 360 °, the mutual inductance value between three-dimensional hollow inductance coil and plane square coil.
Fig. 5 is that the present invention is using three-dimensional hollow inductance coil as the radio energy of assembly multidirectional transmitting end schematic diagram.
Fig. 6 is that the present invention is using three-dimensional hollow inductance coil as the radio energy of assembly multidirectional transmission trunking end schematic diagram.
Fig. 7 is that the present invention is using three-dimensional hollow inductance coil as the radio energy of assembly multidirectional traffic load receiving terminal schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Three dimensional coils shown in Fig. 1 is wound around some circles by wire along six ribs of regular cube framework and forms.To low-power applications, this coil can adopt enamel covered wire close around mode.To high-power applications, this coil should adopt the copper wire winding of large wire diameter, and is often enclosing a reserved fixed gap between wire.Three dimensional coils draws two lead-in wires 11 as the interface be connected with tuning capacitance, inverter or load.Research shows, if planar rectangular coil is positioned over the top of regular cube residing for this three dimensional coils, below, left, right, front and rear six direction as shown in Figure 2 with same distance and parallel with regular cube right opposite time, the mutual inductance of planar rectangular coil and this three dimensional coils is in the same size, and this is the theoretical foundation of the multidirectional transmission of this three dimensional coils.
And the multidirectional transmission characteristic of this three dimensional coils is not confined on above-mentioned 6 directions.As shown in Figure 3, square coil (can also can as source transmitting coil as load-receipt coil depending on application scenario) is vertically placed on the xOy horizontal plane place of framework regular cube residing for three dimensional coils, the center of framework regular cube and the origin of coordinates overlap, the center P of square coil is vertical with test rectangle coil with origin of coordinates O line OP, when OP and x-axis angle Φ increases to 360 ° from 0 °, namely square coil is when z-axis rotates a circle, in the polarizers of big angle scope of-20 ° ~ 110 ° and 160 ° ~ 290 °, mutual inductance change is very steady.Fig. 4 gives the framework square length of side 20cm of three-dimensional hollow inductance coil, the number of turn 3 is enclosed, and planar rectangular coil length of side 16cm, the number of turn 3 are enclosed, simulation result during r=20cm.Result shows
be in (-20 ° ~ 110 °) and (160 ° ~ 290 °) polarizers of big angle scope, the mutual inductance size value between above-mentioned two coils is between 0.22 μ H-0.24 μ H, and amplitude of variation is less than 10%.
In actual applications, three dimensional coils shown in Fig. 5 is in series by lead-in wire and tuning capacitance and inverter, form the multidirectional transmitting end of radio energy, planar rectangular coil can be positioned over multiple orientation such as front and back up and down as loading coil, and being coupled with source transmitting coil with identical mutual inductance receives electric energy.Three dimensional coils shown in Fig. 6 connects tuning capacitance by lead-in wire, forms radio energy multidirectional transmission trunking end, can pass to the load other multiple directions such as front and back up and down from multiple directions wireless receiving electric energy, then relayings such as front and back up and down.Three dimensional coils shown in Fig. 7 is in series through lead-in wire and tuning capacitance and load, forms the multidirectional traffic load receiving terminal of radio energy, is convenient to the radio energy of reception from the source transmitting coil in multiple directions or repeat transmitted coil.
The air-core inductance of this three-dimensional has structure advantage simple, easy to make.Due to the design feature of himself, be easy to conformal with structures such as wall turning, furniture turnings, and as the part of house decoration, furniture.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, such as, carrying out the shape that inductance coupling high transmits the planar coil of radio energy be not limited to rectangle in Fig. 3 with above-mentioned three dimensional coils, also can be circular, hexagon or other suitable shapes.Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (4)
1. a magnet coupled resonant type wireless electric energy multidirectional transmission three-dimensional hollow coil, is characterized in that wire to be wound around some circles along six ribs of regular cube or cuboid, forms the three-dimensional hollow coil of a nonplanar structure.
2. the application of three-dimensional hollow coil according to claim 1, is characterized in that two of three-dimensional hollow coil lead-in wires to be connected with tuning capacitance, forms the multidirectional transmission trunking end of radio energy.
3. the application of three-dimensional hollow coil according to claim 1, is characterized in that two of three-dimensional hollow coil lead-in wires to connect with tuning capacitance and inverter, forms the multidirectional transmitting end of radio energy.
4. the application of three-dimensional hollow coil according to claim 1, is characterized in that, by two of three-dimensional hollow coil lead-in wires and tuning capacitance and load in series, forming 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 |
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| Publication Number | Publication Date |
|---|---|
| CN104617681A true CN104617681A (en) | 2015-05-13 |
| CN104617681B 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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Cited By (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 |
| CN105871080A (en) * | 2016-05-31 | 2016-08-17 | 中惠创智无线供电技术有限公司 | Resonantly-coupled interpolar polyhedral device, wireless power supply device and wireless power supply system |
| CN106230129A (en) * | 2016-08-09 | 2016-12-14 | 东南大学 | A kind of refrigerator sensor wireless power transmission resonator and energy distributing method |
| TWI636636B (en) * | 2016-08-31 | 2018-09-21 | 大陸商矽力杰半導體技術（杭州）有限公司 | Electric energy transmitting antenna and electric energy transmitting device using the same |
| 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 |
| US11923690B2 (en) | 2018-06-26 | 2024-03-05 | Huawei Technologies Co., Ltd. | Wireless charging apparatus and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090243394A1 (en) * | 2008-03-28 | 2009-10-01 | Nigelpower, Llc | Tuning and Gain Control in Electro-Magnetic power systems |
| CN102340186A (en) * | 2010-07-15 | 2012-02-01 | 索尼公司 | Power relaying apparatus, power transmission system and method for manufacturing power relaying apparatus |
| 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 |
| 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 |
-
2015
- 2015-01-26 CN CN201510035853.3A patent/CN104617681B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090243394A1 (en) * | 2008-03-28 | 2009-10-01 | Nigelpower, Llc | Tuning and Gain Control in Electro-Magnetic power systems |
| CN102340186A (en) * | 2010-07-15 | 2012-02-01 | 索尼公司 | Power relaying apparatus, power transmission system and method for manufacturing power relaying apparatus |
| 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 |
Cited By (9)
| 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 |
| CN105871080A (en) * | 2016-05-31 | 2016-08-17 | 中惠创智无线供电技术有限公司 | Resonantly-coupled interpolar polyhedral device, wireless power supply device and wireless power supply system |
| 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 |
| CN106230129A (en) * | 2016-08-09 | 2016-12-14 | 东南大学 | A kind of refrigerator sensor wireless power transmission resonator and energy distributing method |
| 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 |
| TWI636636B (en) * | 2016-08-31 | 2018-09-21 | 大陸商矽力杰半導體技術（杭州）有限公司 | Electric energy transmitting antenna and electric energy transmitting device using the same |
| US11923690B2 (en) | 2018-06-26 | 2024-03-05 | Huawei Technologies Co., Ltd. | Wireless charging apparatus 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 | Publication date |
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| CN104617681B (en) | 2017-07-28 |
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