CN104617684A - Transmission coil of magnetic coupling resonant radio energy transmission system based on cell coil array structure of two-layer array - Google Patents
Transmission coil of magnetic coupling resonant radio energy transmission system based on cell coil array structure of two-layer array Download PDFInfo
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- CN104617684A CN104617684A CN201510079411.9A CN201510079411A CN104617684A CN 104617684 A CN104617684 A CN 104617684A CN 201510079411 A CN201510079411 A CN 201510079411A CN 104617684 A CN104617684 A CN 104617684A
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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
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- Power Engineering (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a transmission coil of a magnetic coupling resonant radio energy transmission system based on a cell coil array structure of a two-layer array, belongs to the technical field of a radio energy transmission technology, and solves the problems that a coupling coefficient is severely changed due to the change of relative positions between a receiving end and a transmission end of an existing radio energy transmission system. The transmission coil provided by the invention is a two-layer coil array which is respectively processed at the two sides of a PCB (Printed Circuit Board), each layer of coil array is an array formed by a plurality of rectangular coils. According to the transmission coil provided by the invention, the radio energy transmission system is used for either in vivo transplantation or a wireless sensor network and the like.
Description
Technical field
The invention belongs to wireless power transmission technical field.
Background technology
Radio energy transmission system connects delivery of electrical energy because it has non-electrical, has very important investigation and application be worth in a lot of field.Coupling coefficient between the receiving terminal of radio energy transmission system and transmitting terminal has important impact to efficiency of transmission, and coupling coefficient is directly determined by the Distribution of Magnetic Field between receiving terminal and transmitting terminal.The radio energy transmission system of traditional unicoil form, when the relative position between receiving terminal and transmitting terminal changes, coupling coefficient will produce violent change.
Summary of the invention
The present invention seeks to cause the problem of coupling coefficient generation acute variation to solve relative position change between existing radio energy transmission system receiving terminal and transmitting terminal, providing a kind of transmission coil of magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array.
The transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array of the present invention, this transmission coil is double-layer coil array, double-layer coil array is machined in the two sides of pcb board respectively, and every layer line coil array is the array that multiple square coil is formed.
Advantage of the present invention: the transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array of the present invention has following characteristics: transmission coil utilizes the resonant cavity of the inductance composition of distributed capacitance and multiple coil composition to realize resonance functional.The parasitic capacitance of each transmission coil inside, increase the capacitance of coil to reduce the resonance frequency of coil with the parasitic capacitance between layer line circle and layer capacitance.Owing to adopting the misconstruction between array architecture and bilayer, can the magnetic field of homogenizing coil surface, enable Electromagnetic Coupling System have higher displacement adaptability.Meanwhile, there is dislocation between double-decker and rotate, the eddy current loss produced between parallel cabling can be reduced, improving the quality factor of coil.Be applicable to the radio energy transmission system such as transplanting or wireless sensor network in body.
Accompanying drawing explanation
Fig. 1 is the single layer structure schematic diagram of the transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array of the present invention;
Fig. 2 is the structural representation that the two-layer transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array of the present invention exists when misplacing;
Fig. 3 is the two-layer transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array of the present invention structural representation when there is the anglec of rotation.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, based on the transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction of double-decker array described in present embodiment, this transmission coil is double-layer coil array, double-layer coil array is machined in the two sides of pcb board respectively, and every layer line coil array is the array that multiple square coil is formed.
Embodiment two: present embodiment is described below in conjunction with Fig. 2, present embodiment is described further execution mode one, there is dislocation in the position between the two-layer coil array of this transmission coil, namely the geometric midline of the arbitrary square coil in one deck coil array and the arbitrary square coil in another layer of array is not on the same line.
Embodiment three: present embodiment is described below in conjunction with Fig. 3, present embodiment is described further execution mode one, there is the arbitrary anglec of rotation between the two-layer coil array of transmission coil.
Embodiment four: present embodiment is described further execution mode one, described square coil is the helical coil of rectangle.
Embodiment five: present embodiment is described further execution mode one, transmitting terminal coil and the receiving terminal coil of magnet coupled resonant type wireless electric energy transmission system all adopt this transmission coil, and the distance between transmitting terminal coil and receiving terminal coil is transmission range.
Embodiment six: present embodiment is described further execution mode one, the array that the square coil of every layer is formed is rectangular array or circular array.
In present embodiment, the shape of two-layer array can be consistent, also can be inconsistent.
In the present invention, magnet coupled resonant type wireless electric energy transmission system comprises transmitting terminal and receiving terminal, transmitting terminal comprises source class coil and transmitting coil, source class coil is connected with high frequency electric source, receiving terminal comprises loading coil and receiving coil, loading coil is connected with load, and transmitting coil and receiving coil are the transmission coil that structure is identical.High frequency electric source is operated in Frequency point minimum in the multiple resonant frequency point of cell coils array construction of double-decker array.
In the present invention, there is dislocation between double-decker array or rotate.
In the present invention, incorporeity electrical connection between multiple square coils of described double-layer coil array.
Claims (6)
1. based on the transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction of double-decker array, it is characterized in that, this transmission coil is double-layer coil array, double-layer coil array is machined in the two sides of pcb board respectively, and every layer line coil array is the array that multiple square coil is formed.
2. the transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array according to claim 1, it is characterized in that, there is dislocation in the position between the two-layer coil array of this transmission coil, namely the geometric midline of the arbitrary square coil in one deck coil array and the arbitrary square coil in another layer of array is not on the same line.
3. the transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array according to claim 1, is characterized in that, there is the arbitrary anglec of rotation between the two-layer coil array of transmission coil.
4. the transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array according to claim 1, is characterized in that, described square coil is the helical coil of rectangle.
5. the transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array according to claim 1, it is characterized in that, transmitting terminal coil and the receiving terminal coil of magnet coupled resonant type wireless electric energy transmission system all adopt this transmission coil, and the distance between transmitting terminal coil and receiving terminal coil is transmission range.
6. the transmission coil of the magnet coupled resonant type wireless electric energy transmission system of the cell coils array construction based on double-decker array according to claim 1, is characterized in that, the array that the square coil of every layer is formed is rectangular array or circular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079411.9A CN104617684A (en) | 2015-02-13 | 2015-02-13 | Transmission coil of magnetic coupling resonant radio energy transmission system based on cell coil array structure of two-layer array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079411.9A CN104617684A (en) | 2015-02-13 | 2015-02-13 | Transmission coil of magnetic coupling resonant radio energy transmission system based on cell coil array structure of two-layer array |
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| Publication Number | Publication Date |
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| CN104617684A true CN104617684A (en) | 2015-05-13 |
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| CN201510079411.9A Pending CN104617684A (en) | 2015-02-13 | 2015-02-13 | Transmission coil of magnetic coupling resonant radio energy transmission system based on cell coil array structure of two-layer array |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110903A (en) * | 2017-12-14 | 2018-06-01 | 中南大学 | A kind of gradually wide structural model and optimization method for gradually opening spiral PCB resonance coils |
| FR3061999A1 (en) * | 2017-01-19 | 2018-07-20 | Institut Vedecom | WIRELESS CHARGING PANEL, EQUIPPED ENERGY STORAGE UNIT AND CHARGEABLE POWER SUPPLY SYSTEM |
| CN109741920A (en) * | 2019-03-04 | 2019-05-10 | 成都斯普奥汀科技有限公司 | A kind of dual crossing coil array formula magnetic resonance coupling wireless power transmission loop construction |
| WO2021094735A1 (en) * | 2019-11-11 | 2021-05-20 | Metaboards Ltd | Electrical resonators |
| CN112885588A (en) * | 2021-02-09 | 2021-06-01 | 湖北工业大学 | Overlapping type wireless charging coil and multi-area wireless charging system |
| WO2023168963A1 (en) * | 2022-03-08 | 2023-09-14 | 苏州吾线科技开发有限公司 | Wireless charging system based on magnetic coupling resonance mode |
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| US20120049991A1 (en) * | 2010-08-25 | 2012-03-01 | Access Business Group International Llc | Wireless power supply system and multi-layer shim assembly |
| CN102598168A (en) * | 2009-08-25 | 2012-07-18 | 捷通国际有限公司 | Flux concentrator and method of making a magnetic flux concentrator |
| CN102883525A (en) * | 2012-09-25 | 2013-01-16 | 清华大学 | Double-layered snail-shaped PCB coil for wireless energy transfer and design method thereof |
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2015
- 2015-02-13 CN CN201510079411.9A patent/CN104617684A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102598168A (en) * | 2009-08-25 | 2012-07-18 | 捷通国际有限公司 | Flux concentrator and method of making a magnetic flux concentrator |
| US20120049991A1 (en) * | 2010-08-25 | 2012-03-01 | Access Business Group International Llc | Wireless power supply system and multi-layer shim assembly |
| CN102883525A (en) * | 2012-09-25 | 2013-01-16 | 清华大学 | Double-layered snail-shaped PCB coil for wireless energy transfer and design method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3061999A1 (en) * | 2017-01-19 | 2018-07-20 | Institut Vedecom | WIRELESS CHARGING PANEL, EQUIPPED ENERGY STORAGE UNIT AND CHARGEABLE POWER SUPPLY SYSTEM |
| WO2018134507A1 (en) * | 2017-01-19 | 2018-07-26 | Institut Vedecom | Wireless charging panel, unit for storing energy equipped with said panel and chargeable electrical supply system |
| CN108110903A (en) * | 2017-12-14 | 2018-06-01 | 中南大学 | A kind of gradually wide structural model and optimization method for gradually opening spiral PCB resonance coils |
| CN109741920A (en) * | 2019-03-04 | 2019-05-10 | 成都斯普奥汀科技有限公司 | A kind of dual crossing coil array formula magnetic resonance coupling wireless power transmission loop construction |
| CN109741920B (en) * | 2019-03-04 | 2024-06-04 | 成都斯普奥汀科技有限公司 | Double-cross coil array type magnetic resonance coupling wireless power transmission coil structure |
| WO2021094735A1 (en) * | 2019-11-11 | 2021-05-20 | Metaboards Ltd | Electrical resonators |
| US12119667B2 (en) | 2019-11-11 | 2024-10-15 | Metaboards Holdings Ltd | Electrical resonators |
| CN112885588A (en) * | 2021-02-09 | 2021-06-01 | 湖北工业大学 | Overlapping type wireless charging coil and multi-area wireless charging system |
| WO2023168963A1 (en) * | 2022-03-08 | 2023-09-14 | 苏州吾线科技开发有限公司 | Wireless charging system based on magnetic coupling resonance mode |
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Application publication date: 20150513 |
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