CN104734368A - Middle distance flat-plate wireless power transmission system based on magnetic resonance coupling - Google Patents
Middle distance flat-plate wireless power transmission system based on magnetic resonance coupling Download PDFInfo
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Abstract
The invention provides a middle distance flat-plate wireless power transmission system based on magnetic resonance coupling. A complanation structure is adopted by the wireless power transmission system, and the system can be processed through a plate-making mode of a printed circuit board. Coil coplanar design is further adopted by the system, by placing an exciting coil (102) and a transmitting terminal resonance coil (101) on the same side of a dielectric substrate, meanwhile, by placing a loading coil and a receiving terminal resonance coil on the same side of the dielectric substrate, a bottom layer of the printed circuit board can be used for adding adjustable electronic parts and components, matching a circuit and rectifying a voltage regulator circuit, and the integration level of the system is improved. A parasitism structure is further adopted by the system, by utilizing a parasitic coil to the resonance coils, the coupling intensity among magnetic coupling resonance coils is strengthened, the transmission efficiency is improved, and the transmission distance is increased. The invention further provides a design and application scheme of a point-to-multipoint wireless power transmission system, and the wireless charging and electricity supplying to multiple consumer electronics, communication equipment and LED lighting equipment are achieved simultaneously.
Description
Technical field
The present invention relates to a kind of plate radio energy transmission system of middle distance based on magnetic resonance coupling, belong to wireless power transmission technical field.
Background technology
Along with electronics, electrically and the development of automated control technology, various home appliance and 3C equipment (Computer computer, Communication communication equipment and Consumer electronics consumption electronic product) have obtained extensively universal, but the traditional home appliance wired connection relied between power line and supply socket realizes power supply, and adopt the emerging 3C equipment of internal battery also to need the wired connection between charging wire and supply socket to charge, the electric wire providing electric energy to supply for these electronic equipments is seen everywhere.These electric wires do not occupy our activity space, limit the convenience of equipment use, also create the hidden danger of safety utilization of electric power simultaneously.Therefore, along with people are to really can the continuous growth of the portable set of " wireless use " and the demand of green energy resource system, the investigation and application for wireless energy transmission technology becomes rapidly the focus of domestic and international academia and industrial quarters.At present, this technology is applied in the low power dissipation electron product in people's daily life gradually, and alternative original power line realizes the wireless charging to equipment, brings extra facility to the life of people.Such as based on wireless charging toothbrush and the wireless charging electrical blanket of magnetic induction coupling technique.But the using value of wireless energy transmission technology and market potential run far deeper than in this.The using forestland of traditional home appliance and emerging 3C equipment is overturned in the application of such as wireless energy transmission technology in Smart Home field by moving, take house as platform, middle distance wireless energy transmission technology, hidden wiring technology and automatic control technology is utilized thoroughly to remove all power lines in life staying idle at home region, wireless charging or the supply of lasting electric energy are carried out to equipment, promote house security, convenience, comfortableness and artistry, build efficient, environmental protection, energy-conservation living environment.In addition, for the implantable medical device that can be used for diagnosis and treatment in biomedical sector, consider inconvenience, the infeasibility even high risk of it being carried out to wired continued power or charging, the application of wireless energy transmission technology also seems very important and crucial; In addition, the application in wireless energy transmission technology Internet of Things field is also imperative.On the one hand, wireless energy transmission technology is applied to the wireless sensor network system (Wireless Sensor Networks) in the large core technology of Internet of Things four, the wireless power to sensor node is realized by magnetic-coupled mode, greatly can reduce the operation and maintenance cost of WSN, improve the validity and reliability of sensing measurement and transfer of data; On the other hand, wireless energy transmission technology also can be used to video identification (RFID) system in Internet of Things, to improve read range and the reading efficiency of passive RFID tags, realize the wireless power to RFID reader and active RFID tag or charging.
Wireless energy transfer pattern and mechanism can be divided into magnetic induction coupled modes, electromagnetic radiation mode and magnetic resonance coupled modes substantially.Compare with first two mode, magnetic coupling resonance manner has advantage in medium and long distance transmission, fail safe and efficiency of transmission.But the published wireless energy transfer system based on magnetic resonance coupled modes all adopts ringwise copper conductor winding to design dispatch coil at present, for stereochemical structure, not only section size is large, heavy, requirement on machining accuracy is high, and be unfavorable for circuit system module integrated, miniaturized, processing cost is higher.
Summary of the invention
The object of the invention is, in order to realize the wireless charging of portable computer, communication product, consumption electronic product and LED illumination device or electric energy supply, the present invention proposes a kind of based on the middle distance of magnetic resonance coupling, the design of plate radio energy transmission system.
Technical scheme of the present invention is a kind of plate radio energy transmission system of middle distance based on magnetic resonance coupling, comprises the transmitter module of the transmitting for radio energy, and the receiver module of reception for radio energy.Described transmitter module is flat structure, and there are transmitting resonance coil and the excitation coil of the one side that exists together in front, and there are transmitting terminal outer shroud parasitic coil and the transmitting terminal inner ring parasitic coil of the one side that exists together in the back side;
Described receiver module is flat structure, and there are reception resonance coil and the loading coil of the one side that exists together in front, and there are receiving terminal outer shroud parasitic coil and the receiving terminal inner ring parasitic coil of the one side that exists together in the back side;
The radio energy transmission system be made up of described transmitter module and receiver module can realize that efficiency of transmission is greater than 75%, transmission range is higher than the middle distance wireless power transmission of dispatch coil sectional dimension.
The transmitting resonance coil in described transmitter module front and excitation coil are four directions annular; Launch the outer ring that resonance coil is positioned at plane, excitation coil is positioned at the inner ring of plane; The outer shroud parasitic coil at the back side is positioned at outer ring, and inner ring parasitic coil is positioned at inner ring; Parasitic coil structure and transmitting resonance coil are connected by punching contact pin.
The reception resonance coil in described receiver module front and loading coil are four directions annular; Receive the outer ring that resonance coil is positioned at plane, loading coil is positioned at the inner ring of plane; The outer shroud parasitic coil at the back side is positioned at outer ring, and inner ring parasitic coil is positioned at inner ring; Parasitic coil structure and reception resonance coil are connected by punching contact pin.
Realizing technical scheme of the present invention is, the sending and receiving end coil of the present invention to radio energy transmission system adopts printing spiral coil design, and by by transmitting terminal resonance coil and transmitting terminal excitation coil coplanar, by receiving terminal resonance coil and receiving terminal loading coil coplanar, devise the radio energy transmission system with complanation structure; By adopting parasitic structure to resonance coil, improve the quality factor (Q value) of system dispatch coil; By designing the match circuit, AC-DC rectification circuit and the DC-DC voltage-type voltage stabilizing circuit that are intended for different application, and they are integrated in the receiving terminal of system, realize simultaneously to wireless charging or the electric energy supply of multiple consumption electronic product, communication apparatus and LED illumination device.
What the present invention adopted is transmitting terminal resonance coil and excitation coil is coplanar, receiving terminal resonance coil and the coplanar design of loading coil.Adopt co-planar designs not only to achieve the integration of system sending and receiving end coil groups, the convenience of the processing of raising, decreases the consumption of sheet material; And after have employed this technical scheme, the bottom of sending and receiving end printed circuit board (PCB) can be used to add adjustable electronic components and parts, match circuit and rectification circuit, improves the integrated level of system, reduces the insertion loss of system.
The parasitism printing helical coil structure that the present invention is arranged at the back side of transmitting terminal resonance coil and transmitting terminal excitation coil, comprises transmitting terminal outer shroud parasitic structure and transmitting terminal inner ring parasitic structure; And utilize the mode of punching contact pin parasitic coil structure and transmitting terminal resonance coil to be connected.The parasitism printing helical coil structure arranged at the back side of receiving terminal resonance coil and receiving terminal loading coil, comprise receiving terminal outer shroud parasitic structure and receiving terminal inner ring parasitic structure, and utilize the mode of punching contact pin parasitic coil structure and receiving terminal resonance coil to be connected.In order to improve the magnetic Field Coupling intensity between the quality factor of resonance coil and enhancing resonance coil, thus improve efficiency of transmission and the transmission range of system, reduce radiation loss.
Sending and receiving end for radio energy transmission system both can adopt symmetric design also can adopt asymmetrical design, and wherein symmetric design refers to the geometry of transmitting terminal coil groups and receiving terminal coil groups, design that size is all identical with electrical quantity; And asymmetrical design refers to the design that transmitting terminal coil groups is not identical on geometry, size or electrical quantity with receiving terminal coil groups.
The invention allows for for the Systematic Design scheme of single-point to multipoint wireless delivery of electrical energy, by designing the match circuit, AC-DC rectification circuit and the DC-DC voltage-type voltage stabilizing circuit that are intended for different application, excitation match circuit, load matching circuit, regulator rectifier circuit and all electronic devices and components can be carried in the bottom of printed panel, be integrated in the receiving terminal of system, realize simultaneously to wireless charging or the electric energy supply of multiple consumption electronic product, communication apparatus and LED illumination device.
The invention has the beneficial effects as follows, the present invention is based on apart from wireless energy transfer scheme in magnetic resonance coupling, devise the sending and receiving end of the radio energy transmission system based on four loop constructions, entire system quality is higher; When transmission range is identical, efficiency of transmission is higher.Present invention employs the complanation design of printing helical coil, the sending and receiving end coil of system of processing can be carried out by the making sheet mode of printed circuit board (PCB), achieve the miniaturization of system and integrated, greatly reduce the production of system, installation and maintenance cost; The present invention proposes sending and receiving end resonance coil and the coplanar design of excitation (load) coil, realize system low section and miniaturized further while, improve flexibility and the integrated level of system processing; The corner angle of the loop construction in the present invention all have passed through smoothing processing, reduce the loss resistance of coil, improve the quality factor of coil, improve the wireless energy transmission efficiency of system; The present invention proposes the design adding parasitic structure, further increase efficiency of transmission and the transmission range of system; The invention allows for the technical scheme designing different match circuits, rectification circuit and voltage stabilizing circuit for different application, and their receiving terminals with system are integrated mutually, realize simultaneously to wireless charging or the electric energy supply of multiple consumption electronic product, communication apparatus and LED illumination device.
Accompanying drawing explanation
When Fig. 1 is radio energy transmission system employing symmetric design, systems radiate rectifies face structure chart;
When Fig. 2 is radio energy transmission system employing symmetric design, system receiving terminal Facad structure figure;
When Fig. 3 is radio energy transmission system employing symmetric design, systems radiate end structure figure;
When Fig. 4 is radio energy transmission system employing symmetric design, system receiving terminal structure figure;
Fig. 5 is when radio energy transmission system adopts asymmetrical design, the Facad structure figure of systems radiate end and receiving terminal;
Fig. 6 is when radio energy transmission system adopts asymmetrical design, the structure figure of systems radiate end and receiving terminal;
Fig. 7 for the design work shown in Fig. 1, Fig. 2 and Fig. 3, Fig. 4 in the present invention at different frequencies time, transmission wireless energy efficiency chart;
Fig. 8 is the efficiency chart of the transmission wireless energy when different transmission range of the design shown in Fig. 1, Fig. 2 and Fig. 3, Fig. 4 in the present invention;
Fig. 9 is the efficiency chart of the transmission wireless energy when different transmission range of the design in the present invention shown in Fig. 5 and Fig. 6;
Figure 10 is that single-point proposed by the invention is to the design schematic diagram of multipoint wireless electric energy transmission system;
In Fig. 1,101 is transmitting terminal resonance coil, and 102 is transmitting terminal excitation coil; R
rfor the central point of transmitting terminal Facad structure is to the distance between transmitting terminal resonance coil 101 outer, R
lfor the central point of the Facad structure of transmitting terminal is to the distance between excitation coil 102 outer, W
lfor the width of microstrip line in excitation coil 102, S is the distance in transmitting terminal resonance coil 101 between adjacent microstrip line, W
rfor the width of microstrip line in transmitting terminal resonance coil 101.
In Fig. 2,103 is receiving terminal resonance coil, and 104 is receiving terminal loading coil.Owing to have employed symmetric design, geometry, the physical size of system receiving terminal resonance coil and loading coil are identical with 102 with 101 respectively with electrical quantity.
In Fig. 3,201 is transmitting terminal outer shroud parasitic structure, and 202 is transmitting terminal inner ring parasitic structure.Vias is the Shorted post connecting parasitic ring and resonance coil 101, R
pfor structure central point is to the beeline of outermost layer parasitic structure outer, S
pfor the distance between microstrip line adjacent in parasitic structure, W
pfor the width of microstrip line in parasitic structure.203 is receiving terminal outer shroud parasitic structure, and 204 is receiving terminal inner ring parasitic structure.
In Fig. 4, owing to have employed symmetric design, the outer shroud of system receiving terminal, the geometry of inner ring parasitic coil, physical size are identical with 204 with 203 respectively with electrical quantity.
In Fig. 5,301 is excitation coil, 302 is transmitting terminal resonance coil, 303 is loading coil, 304 is receiving terminal resonance coil, 305 is that 306 is in order to connect the integrated circuit at transmitting terminal resonance coil and the printed panel back side, the Shorted post of electronic component in order to connect the integrated circuit at receiving terminal resonance coil and the printed panel back side, the Shorted post of electronic component.R
tXrfor the central point of transmitting terminal Facad structure is to the distance between transmitting terminal resonance coil 302 outer, R
tXlfor the central point of the Facad structure of transmitting terminal is to the distance between excitation coil 301 outer, W
tXlfor the width of microstrip line in excitation coil 301, S
tXrfor the distance between microstrip line adjacent in transmitting terminal resonance coil 302, W
tXrfor the width of microstrip line in transmitting terminal resonance coil 302.R
rXlfor the central point of receiving terminal Facad structure of the present invention is to the distance between loading coil 303 outer, R
rXrfor the central point of the Facad structure of receiving terminal is to the distance between receiving terminal resonance coil 304 outer, W
rXlfor the width of microstrip line in loading coil 303, S
rXrfor the distance between microstrip line adjacent in receiving terminal resonance coil 304, W
rXrfor the width of microstrip line in receiving terminal resonance coil 304.
In Fig. 6,401 is transmitting terminal back side microstripline, in order to integrated circuit, the electronic component at Shorted post 306 and the transmitting terminal back side in connection layout 3; 402 is transmitting terminal tunable capacitor; 403 is receiving terminal back side microstripline, in order to integrated circuit, the electronic component at Shorted post 305 and the receiving terminal back side in connection layout 3; 404 is receiving terminal tunable capacitor; 405,406 the Shorted post 305 and 306 in Fig. 3 is respectively.
The present invention is contained without theoretical method result of calculation during parasitic structure in Fig. 7, without Electromagnetic Simulation result during parasitic structure, there is the Electromagnetic Simulation result in parasitic structure situation, without the measured result in parasitic mechanisms situation and the measured result had in parasitic structure situation.
The present invention is respectively illustrated without the measured result in parasitic structure situation with there is measured result in parasitic structure situation in Fig. 8.
What show in Fig. 9 is that the present invention is at employing dissymmetrical structure, without measured result during parasitic structure.
In Figure 10,901 is 220v ~ 50Hz household AC power; 902 is transmitting terminal AC (interchange)-DC (direct current) rectifier; 903 is transmitting terminal DC (direct current)-DC (direct current) voltage stabilizing circuit, and wherein voltage exports as 3.3V, and electric current exports as 100mA; 904 is signal generating module, produces 13.56MHz sine wave signal; 905 is radio frequency power amplification module; 906 is transmitting terminal coil groups; 907 is multipoint reception coil groups; 908 is the match circuit network of corresponding different application; 909 is the AC-DC rectification circuit of the corresponding different application of receiving terminal; 910 is the DC-DC voltage stabilizing circuit of the corresponding different application of receiving terminal; 911 is different consumption electronic product, communication apparatus and LED illumination device.
Embodiment
As shown in Figures 1 to 6, all structures in the embodiment of the present invention are complanation structure, and transmission ends resonance coil, receiving terminal resonance coil, excitation and loading coil all adopt printed circuit board technology to process, for being attached to the sheet metal on medium sheet material.The present invention is by adopting co-planar designs, transmitting resonance coil and excitation coil are positioned over same plane, and reception resonance coil and loading coil are positioned over same plane, then add match circuit, rectifying and voltage-stabilizing integrated circuit and relative electronic components at the another side of printed panel.
Wireless energy transfer system of the present invention is made up of transmitter module and receiver module two parts, connects exciting circuit and load circuit respectively, and transmitting and receiving module all adopts double-deck PCB design.The transmitter module of radio energy transmission system when Fig. 1 and Fig. 2 is employing symmetric design and the Facad structure figure of receiver module; Fig. 3 and Fig. 4 is the transmitter module of system and the structure figure of receiver module when adopting symmetric design; Fig. 5 is when adopting asymmetrical design, the transmitter module of system and the Facad structure figure of receiver module; Fig. 6 is when adopting asymmetrical design, the transmitter module of system and the structure figure of receiver module.
Embodiment 1: the plate magnetic resonance coupling radio energy transmission system adopting symmetric coil structure
The Facad structure figure of transmitter module and receiver module respectively as depicted in figs. 1 and 2, adhere to without any sheet metal by the back side.
Symbol logo in structure chart according to Fig. 1 and Fig. 2, and combine actual application demand, following geometric parameter and electric parameter are adopted to the design in this embodiment:
The geometric parameter of table 1 embodiment 1 transmitter module and receiver module and electric parameter
| Symbol logo | Value (scope) |
| R r | 50mm |
| R l | 25～33(mm) |
| W r | 5.9～6.8(mm) |
| W l | 2.1～2.8(mm) |
| S | 3.2～4.5(mm) |
| Resonant capacitance value | 200～250(pF) |
As shown in Figure 8, by the front of transmitter module printed panel and the placement in a center of symmetry of receiver module printed panel vis-a-vis, form radio energy transmission system.
Add excitation at transmitter module, pumping signal produces electromagnetic viscosimeter on excitation coil 102.Electromagnetic energy first passes through magnetic induction coupled transfer to transmitting terminal resonance coil 101.By magnetic coupling resonance manner by Energy Transfer to receiving terminal resonance coil 103, then through magnetic induction coupling be sent to loading coil 104.Electromagnetic energy exports from loading coil 104, supplies to electric consumers, communication apparatus and LED illumination device after rectifying and voltage-stabilizing.
The design sketch of embodiment 1 is had in Fig. 5 and Fig. 6.
Embodiment 2: the plate magnetic resonance coupling radio energy transmission system that with the addition of parasitic coil structure
As shown in Figure 1, the structure figure of transport module and load blocks as shown in Figure 2 for the Facad structure figure of transport module and load blocks.
Symbol logo in structure chart according to Fig. 1 and Fig. 2, and combine actual application demand, following geometric parameter and electric parameter are adopted to the design in this embodiment:
The geometric parameter of table 2 embodiment 2 transmitter module and receiver module and electric parameter
| Symbol logo | Value (scope) |
| R r | 50mm |
| R l | 25～33(mm) |
| W r | 5.9～6.8(mm) |
| W l | 2.1～2.8(mm) |
| S | 3.2～4.5(mm) |
| Resonant capacitance value | 200～250(pF) |
| R p | 50mm |
| S p | 3.0～4.6(mm) |
| W p | 5.9～6.6(mm) |
By the front of transmitter module printed panel and the placement in a center of symmetry of receiver module printed panel vis-a-vis, form wireless energy transfer system.
Add excitation at transmitter module, pumping signal produces electromagnetic viscosimeter on excitation coil 102.Electromagnetic energy first passes through magnetic induction coupled transfer to transmitting terminal resonance coil 101.By magnetic coupling resonance manner by Energy Transfer to receiving terminal resonance coil 103, in the process of transmission, owing to being subject to the impact of parasitic coil structure, the quality factor of system improves, and efficiency of transmission improves.Electromagnetic energy on receiving terminal resonance coil 103 is sent to loading coil 104 through magnetic induction coupling again.Electromagnetic energy exports from loading coil 104, supplies to electric consumers, communication apparatus and LED illumination device after rectifying and voltage-stabilizing.
The design sketch of embodiment 2 is had in Fig. 7 and Fig. 8.
Embodiment 3: the plate magnetic resonance coupling radio energy transmission system adopting non-symmetric line coil structures
As shown in Figure 5, structure figure as shown in Figure 6 for the Facad structure figure of transmitter module and receiver module.
Symbol logo in structure chart according to Fig. 5 and Fig. 6, and combine actual application demand, following geometric parameter and electric parameter are adopted to the design in this embodiment:
The geometric parameter of table 3 embodiment 3 transmitter module and receiver module and electric parameter
| Symbol logo | Value (scope) |
| R TXr | 100mm |
| R TXl | 43～58(mm) |
| W TXr | 7.1～8.5(mm) |
| W TXl | 3.4～5.0(mm) |
| S TXr | 11.9～14.2(mm) |
| R RXr | 25mm |
| R RXl | 14.2～17(mm) |
| W RXr | 1.7～2.6(mm) |
| W RXl | 0.8～1.4(mm) |
| S RXr | 0.79～1.32(mm) |
| Transmitting terminal tunable capacitor (402) | 30～50(pF) |
| Receiving terminal tunable capacitor (404) | 190～240(pF) |
By the front of transmitter module printed panel and the placement in a center of symmetry of receiver module printed panel vis-a-vis, form wireless energy transfer system.
Add excitation at transmitter module, pumping signal produces electromagnetic viscosimeter on excitation coil 301.Electromagnetic energy first passes through magnetic induction coupled transfer to transmitting terminal resonance coil 302.By magnetic coupling resonance manner by Energy Transfer to receiving terminal resonance coil 304, then through magnetic induction coupling be sent to loading coil 303.Electromagnetic energy exports from loading coil 303, supplies to electric consumers, communication apparatus and LED illumination device after rectifying and voltage-stabilizing.
Fig. 9 is the design sketch of embodiment 3.
Embodiment 4: single-point is to the Systematic Design scheme of multipoint wireless electric energy transmission system
The single-point that the present invention proposes to the Systematic Design scheme of multipoint wireless electric energy transmission system as shown in Figure 10.The AC power that household AC power 901 exports, is converted to direct current power through rectifier 902; Wherein a part of direct current power is by after voltage stabilizing circuit 903, and supply to signal generating module 904, another part power is by supplying after voltage stabilizing circuit to radio frequency power amplification module 905.Signal generating module 904 produces 13.56M sine wave signal after obtaining direct current input, and the sine wave signal of output carries out signal amplification by radio frequency power amplification module 905.Radio-frequency (RF) energy signal after amplification enters transmitting terminal coil module 906, then arrives multiple receiving terminal coil module 907 with the mode wireless transmission of magnetic resonance coupling.According to the difference of the equipment of use, the radio-frequency (RF) energy signal received enters different match circuit networks 908, then by different rectification circuits 909 and voltage stabilizing circuit 910, finally supplies to multiple electric consumers, communication apparatus and LED illumination device 911.
Claims (10)
1., based on the plate radio energy transmission system of middle distance of magnetic resonance coupling, it is characterized in that, comprise
Transmitter module, for the transmitting of radio energy;
Receiver module, for the reception of radio energy;
Described transmitter module is flat structure, and there are transmitting resonance coil and the excitation coil of the one side that exists together in front; There are transmitting terminal outer shroud parasitic coil and the transmitting terminal inner ring parasitic coil of the one side that exists together in the back side;
Described receiver module is flat structure, and there are reception resonance coil and the loading coil of the one side that exists together in front; There are receiving terminal outer shroud parasitic coil and the receiving terminal inner ring parasitic coil of the one side that exists together in the back side;
The radio energy transmission system be made up of described transmitter module and receiver module can realize that efficiency of transmission is greater than 75%, transmission range is higher than the middle distance wireless power transmission of dispatch coil sectional dimension.
2. the plate radio energy transmission system of middle distance based on magnetic resonance coupling according to claim 1, is characterized in that, the transmitting resonance coil in described transmitter module front and excitation coil are four directions annular; Launch the outer ring that resonance coil is positioned at plane, excitation coil is positioned at the inner ring of plane; The outer shroud parasitic coil at the back side is positioned at outer ring, and inner ring parasitic coil is positioned at inner ring; Parasitic coil structure and transmitting resonance coil are connected by punching contact pin.
3. the plate radio energy transmission system of middle distance based on magnetic resonance coupling according to claim 1, is characterized in that, the reception resonance coil in described receiver module front and loading coil are four directions annular; Receive the outer ring that resonance coil is positioned at plane, loading coil is positioned at the inner ring of plane; The outer shroud parasitic coil at the back side is positioned at outer ring, and inner ring parasitic coil is positioned at inner ring; Parasitic coil structure and reception resonance coil are connected by punching contact pin.
4. the plate radio energy transmission system of middle distance based on magnetic resonance coupling according to claim 1, it is characterized in that, described transmitter module and receiver module both can adopt symmetric design also can adopt asymmetrical design, and wherein symmetric design refers to the geometry of transmitting terminal coil groups and receiving terminal coil groups, design that size is all identical with electrical quantity; Asymmetrical design refers to the design that transmitting terminal coil groups is not identical on geometry, size or electrical quantity with receiving terminal coil groups.
5. the plate radio energy transmission system of middle distance based on magnetic resonance coupling according to claim 1, it is characterized in that, described transmitter module and receiver module adopt the mask-making technology of printed circuit board to process, under magnetic coupling mode of resonance, the wireless power transmission of middle distance can be realized.
6. the plate radio energy transmission system of middle distance based on magnetic resonance coupling according to claim 1, it is characterized in that, smoothing processing has been carried out in the edges and corners of the loop construction of described transmitter module and receiver module.
7. the plate radio energy transmission system of middle distance based on magnetic resonance coupling according to claim 1, is characterized in that, excitation match circuit is carried in the bottom of printed panel by described transmitter module; Load matching circuit, regulator rectifier circuit and all electronic devices and components are carried in the bottom of printed panel by described receiver module, in order to be integrated in the receiving terminal of system, realize simultaneously to wireless charging or the electric energy supply of multiple consumption electronic product, communication apparatus and LED illumination device.
8. the plate radio energy transmission system of middle distance based on magnetic resonance coupling according to claim 1, it is characterized in that, when with the addition of parasitic coil structure, geometric parameter and the electric parameter of transmitter module and receiver module are as follows:
Distance R between the central point of transmitting terminal Facad structure to transmitting terminal resonance coil outer
rfor 50mm;
Distance R between the central point of the Facad structure of transmitting terminal to excitation coil outer
lbe 25 ~ 33mm;
The width W of microstrip line in excitation coil
lbe 2.1 ~ 2.8mm;
The width W of microstrip line in transmitting terminal resonance coil
rbe 5.9 ~ 6.8mm;
Distance S in transmitting terminal resonance coil 101 between adjacent microstrip line is 3.2 ~ 4.5mm;
Resonant capacitance value is 200 ~ 250 (pF);
Structure central point is to the beeline R of outermost layer parasitic structure outer
pfor 50mm;
Distance S in parasitic structure between adjacent microstrip line
pbe 3.0 ~ 4.6mm;
The width W of microstrip line in parasitic structure
pbe 5.9 ~ 6.6mm.
9. the plate radio energy transmission system of middle distance based on magnetic resonance coupling according to claim 4, is characterized in that, when adopting symmetric design, geometric parameter and the electric parameter of transmitter module and receiver module are as follows:
Distance R between the central point of transmitting terminal Facad structure to transmitting terminal resonance coil outer
rfor 50mm;
Distance R between the central point of the Facad structure of transmitting terminal to excitation coil outer
lbe 25 ~ 33mm;
The width W of microstrip line in excitation coil
lbe 2.1 ~ 2.8mm;
The width W of microstrip line in transmitting terminal resonance coil
rbe 5.9 ~ 6.8mm;
Distance S in transmitting terminal resonance coil 101 between adjacent microstrip line is 3.2 ~ 4.5mm;
Resonant capacitance value is 200 ~ 250 (pF).
10. the plate radio energy transmission system of middle distance based on magnetic resonance coupling according to claim 4, is characterized in that, when adopting non-symmetric line coil structures, geometric parameter and the electric parameter of transmitter module and receiver module are as follows:
Distance R between the central point of transmitting terminal Facad structure to transmitting terminal resonance coil outer
tXrfor 100mm;
Distance R between the central point of the Facad structure of transmitting terminal to excitation coil outer
tXlbe 43 ~ 58mm;
The width W of microstrip line in excitation coil
tXlbe 3.4 ~ 5.0mm;
Distance S in transmitting terminal resonance coil between adjacent microstrip line
tXrbe 11.9 ~ 14.2mm;
The width W of microstrip line in transmitting terminal resonance coil
tXrfor 7.1-8.5mm;
Distance R between the central point of receiving terminal Facad structure of the present invention to loading coil outer
rXlbe 14.2 ~ 17mm;
Distance R between the central point of the Facad structure of receiving terminal to receiving terminal resonance coil outer
rXrfor 25mm;
The width W of microstrip line in loading coil
rXlbe 0.8 ~ 1.4mm;
Distance S in receiving terminal resonance coil between adjacent microstrip line
rXrbe 0.79 ~ 1.32mm;
The width W of microstrip line in receiving terminal resonance coil
rXrbe 1.7 ~ 2.6mm;
Transmitting terminal tunable capacitor is 30 ~ 50 (pF);
Receiving terminal tunable capacitor is 190 ~ 240pF.
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| CN108736582A (en) * | 2018-08-07 | 2018-11-02 | 成都斯普奥汀科技有限公司 | A kind of multi-coil intersecting maneuver column radio energy transmission system dispatch coil structure |
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| CN105490396A (en) * | 2016-01-27 | 2016-04-13 | 赵莹 | Receiver and emitter of novel wireless charger |
| 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 |
| CN107453435A (en) * | 2017-08-31 | 2017-12-08 | 维沃移动通信有限公司 | Wireless charging device and system |
| CN107425613A (en) * | 2017-09-20 | 2017-12-01 | 林先其 | A kind of efficiency of transmission is with the adjustable wireless energy R-T unit of distance change |
| 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 |
| CN108766744A (en) * | 2018-07-24 | 2018-11-06 | 成都斯普奥汀科技有限公司 | A kind of dispatch coil structure coupling radio energy transmission system based on magnetic resonance |
| CN108766744B (en) * | 2018-07-24 | 2024-04-23 | 成都斯普奥汀科技有限公司 | Receiving and transmitting coil structure based on magnetic resonance coupling wireless power transmission system |
| CN108736582A (en) * | 2018-08-07 | 2018-11-02 | 成都斯普奥汀科技有限公司 | A kind of multi-coil intersecting maneuver column radio energy transmission system dispatch coil structure |
| CN108736582B (en) * | 2018-08-07 | 2023-10-20 | 成都斯普奥汀科技有限公司 | Multi-coil cross array type wireless power transmission system receiving and transmitting coil structure |
| CN109802472A (en) * | 2019-01-28 | 2019-05-24 | 上海安费诺永亿通讯电子有限公司 | Wireless transmitting terminals, charging equipment, coil and the method for improving the coefficient of coup |
| CN109802472B (en) * | 2019-01-28 | 2022-08-19 | 上海安费诺永亿通讯电子有限公司 | Wireless transmitting terminal, charging equipment, coil and method for improving coupling coefficient |
| CN112735727A (en) * | 2020-12-16 | 2021-04-30 | 华东师范大学 | Design method of PCB coil device of wireless power transmission system |
| CN113595263A (en) * | 2021-09-29 | 2021-11-02 | 成都斯普奥汀科技有限公司 | Magnetic resonance wireless charging system for prolonging transverse coupling distance of transmitting and receiving antenna |
| CN113595263B (en) * | 2021-09-29 | 2022-04-29 | 成都斯普奥汀科技有限公司 | Magnetic resonance wireless charging system for prolonging transverse coupling distance of transmitting and receiving antenna |
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