CN108766744A - A kind of dispatch coil structure coupling radio energy transmission system based on magnetic resonance - Google Patents
A kind of dispatch coil structure coupling radio energy transmission system based on magnetic resonance Download PDFInfo
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- CN108766744A CN108766744A CN201810815915.6A CN201810815915A CN108766744A CN 108766744 A CN108766744 A CN 108766744A CN 201810815915 A CN201810815915 A CN 201810815915A CN 108766744 A CN108766744 A CN 108766744A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 44
- 230000008878 coupling Effects 0.000 title claims abstract description 15
- 238000010168 coupling process Methods 0.000 title claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 15
- 230000005284 excitation Effects 0.000 claims abstract description 38
- 230000024241 parasitism Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 3
- 230000037452 priming Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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Classifications
-
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
Abstract
The invention discloses a kind of dispatch coil structures coupling radio energy transmission system based on magnetic resonance, include the transmitting module emitted for radio energy and the receiving module received for radio energy;Transmitting module is flat structure, and front is provided with is provided with the second transmitting resonance coil and the microstrip line for connecting excitation coil in conplane first transmitting resonance coil and excitation coil, the back side;Receiving module is flat structure, and to receive resonance coil, the back side is spurious resonance coil in front.The present invention is using planarization structure, it is processed by the making sheet mode of printed circuit board, coil co-planar designs are used simultaneously, excitation coil is designed using multiturn coil, increase the coefficient of coup between magnetic coupling resonance coil, the wireless charging and power reguirements of multiple electronic equipments may be implemented in the efficiency of transmission for enhancing system.
Description
Technical field
The invention belongs to wireless power transmission technical fields, and in particular to one kind coupling wireless power transmission based on magnetic resonance
The design of the dispatch coil structure of system.
Background technology
With the continuous development of electronic information technology and automated control technology, miscellaneous household appliance and consumption electricity
Sub- product, mobile communication equipment etc. have obtained widely available, however traditional household electrical appliance rely on power cord and power outlet
Between wired connection come realize power supply, having between charging wire and power outlet is also required to using the electronic equipment of internal battery
Line connects to charge, therefore we can see the electric wire that electric energy supply is provided for these electronic equipments everywhere.These electric wires
The activity space for not occupying us limits the convenience that equipment uses, and produces the hidden danger of safety utilization of electric power.Institute
With, the continuous growth with people to the portable device that fully wireless can be used and the demand of green energy resource system, for
The research and application of wireless energy transmission technology rapidly become the focus of domestic and international academia and industrial quarters.
Currently, the technology has gradually been applied in the low power dissipation electron product in people's daily life, substitute original
Power cord realizes the wireless charging to equipment, additional facility is brought to people's lives, such as couple skill based on magnetic induction
The wireless charging toothbrush and wireless charging electrical blanket of art.However the application value of wireless energy transmission technology and market potential are run far deeper than
In this, such as wireless energy transmission technology will overturn traditional home appliance and mobile communication equipment, electricity in the application of smart home field
The use pattern of sub- consumer products, using house as platform, in utilization apart from wireless energy transmission technology, hidden wiring technology and
Automatic control technology thoroughly removes all power cords in home life region, carries out wireless charging to equipment or continue electric energy to supply
It gives, promotes house security, convenience, comfort and artistry, efficient, environmentally friendly, the energy-efficient living environment of structure.In addition, right
Can be used for for the implantable medical device of diagnosis and treatment in biomedical sector, it is contemplated that it is carried out wired continued power or
Inconvenience, the infeasibility even high risk of charging, the application of wireless energy transmission technology also seem particularly important and close
Key.
Invention content
The purpose of the invention is to be carried to portable computer, communication product, consumption electronic product and LED illumination device
Scheme is supplied for a stabilization, efficient wireless charging or radio energy, it is proposed that one kind coupling radio energy based on magnetic resonance
The dispatch coil structure of Transmission system.
The technical scheme is that:A kind of dispatch coil structure coupling radio energy transmission system based on magnetic resonance,
Include the transmitting module emitted for radio energy and the receiving module received for radio energy;Transmitting module is plate knot
Structure, front is provided with is provided with the second transmitting in conplane first transmitting resonance coil and excitation coil, the back side
Resonance coil and microstrip line for connecting excitation coil;First transmitting resonance coil and the second transmitting resonance coil, which are connected, to be constituted
Emit resonance coil;Receiving module is flat structure, and to receive resonance coil, the back side is spurious resonance coil in front.
The beneficial effects of the invention are as follows:The present invention is based on magnetic resonances to couple wireless energy transfer scheme, uses plane print
Printed circuit board processes the loop construction of transceiver module, realizes the miniaturization of system and integrated, greatly reduces system
Production, installation and maintenance cost.The wireless energy transfer system of transmitting module and receiving module composition provided by the present invention
It is the wireless power transmission of 20mm-60mm, efficiency of transmission more than 50% that transmission range, which may be implemented, in system.
Preferably, the first transmitting resonance coil and excitation coil are notched rectangular coil loop coil;First hair
The outer ring that resonance coil is located at place plane is penetrated, excitation coil is located at the inner ring of place plane;Excitation coil is multiturn coil;The
One transmitting resonance coil includes the first circle coil, the second circle coil and third circle coil being arranged from outside to inside;First circle coil
On be respectively arranged with the first tie point and resonance capacitance connection port, be provided with the second tie point, excitation line on third circle coil
Electromagnetic energy input port and third tie point are provided on circle;It is provided with the 4th tie point and the on second transmitting resonance coil
Five tie points are provided with the 6th tie point on microstrip line;Through-hole is provided between first tie point and the 4th tie point, second connects
It is provided with through-hole between contact and the 5th tie point, through-hole is provided between third tie point and the 6th tie point.
The advantageous effect of above-mentioned preferred embodiment is:The coil at the positive back side of transmitting module is all made of rectangular coil ring in the present invention
Shape structure, can be in effective distance, and with receiving coil transverse direction priming, efficiency of transmission declines unobvious.First transmitting simultaneously
Resonance coil and excitation coil are all made of multiturn coil design, and the coupling for improving excitation coil and emitting between resonance coil is strong
The quality factor of degree and transmitting resonance coil itself, enhances the efficiency of transmission of system.
Preferably, the geometric parameter of transmitting module and electric parameter setting are as follows:
The outer length L of first circle coilTxFor 150mm-170mm;
The external width H of first circle coilTxFor 70mm-85mm;
The distance between first circle coil and the second circle coil SRes1_TxFor 0.5mm-2mm;
The distance between second circle coil and third circle coil SRes_TxFor 5mm-10mm;
The width W of microstrip line in first transmitting resonance coilRes_TxFor 1mm-3mm;
The outer length L of excitation coilLoop_TxFor 120mm-130mm;
The external width H of excitation coilloop_TxFor 40mm-50mm;
The width W of microstrip line in excitation coilloop_TxFor 1mm-2mm;
The distance between adjacent two circles coil S in excitation coilLoop_TxFor 1mm-2mm;
The outer length L of second transmitting resonance coilTx1For 150mm-170mm;
The external width H of second transmitting resonance coilTx1For 70mm-85mm;
The width W of microstrip line in second transmitting resonance coilRes_Tx1For 1mm-3mm;
Transmitting resonance coil capacitance is 110pF-150pF.
The advantageous effect of above-mentioned preferred embodiment is:Pass through the optimization to each geometric parameter and electric parameter in transmitting module
Setting improves excitation coil and emits the stiffness of coupling between resonance coil while ensureing the miniaturization of transmitting module
And the quality factor of transmitting resonance coil itself, with the nothing suitable for electric consumers, communication apparatus and LED illumination device
The transmitting of micro USB electric flux signal.
Preferably, it is notched cubic helical annular coil to receive resonance coil and spurious resonance coil;It receives humorous
It shakes and is provided with the 7th tie point on coil, the 8th tie point, the 7th tie point and the 8th connection are provided on spurious resonance coil
Point is connected by through-hole.
The advantageous effect of above-mentioned preferred embodiment is:The positive backside loop of receiving module of the present invention, which uses, is all made of cubic helical
Annular design, the spurious resonance coil at the back side increase the stiffness of coupling between transmitting-receiving magnetic resonance coil, in effective distance
The efficiency of transmission and transmission range of system can be improved.
Preferably, the geometric parameter of receiving module and electric parameter setting are as follows:
Receive the outer length L of resonance coilRxFor 50mm-70mm;
Receive the external width H of resonance coilRxFor 50mm-70mm;
Receive the width W of microstrip line in resonance coilRes_RxFor 1mm-2mm;
Receive the distance between microstrip line S in resonance coilRes_RxFor 0.5mm-2mm;
The outer length L of spurious resonance coilRx1For 50mm-70mm;
The external width H of spurious resonance coilRx1For 50mm-70mm;
The width W of microstrip line in spurious resonance coilRes1_RxFor 1mm-2mm;
The distance between microstrip line S in spurious resonance coilRes1_RxFor 0.5mm-2mm;
Reception resonance coil capacitance is 68pF~100pF.
The advantageous effect of above-mentioned preferred embodiment is:Pass through the optimization to each geometric parameter and electric parameter in receiving module
Setting improves the stiffness of coupling between transmitting-receiving magnetic resonance coil and receives humorous while ensureing the miniaturization of receiving module
It shakes the quality factor of coil itself, with the wireless charging energy suitable for electric consumers, communication apparatus and LED illumination device
The reception of signal.
Preferably, the edges and corners of each coil of transmitting module and receiving module are smooth arc structure.
The advantageous effect of above-mentioned preferred embodiment is:The corner angle of loop construction in the present invention all have passed through smoothing processing, drop
The low loss resistance of coil, improves the quality factor of coil, improves the wireless energy transmission efficiency of system.
Description of the drawings
Fig. 1 show transmitting module Facad structure figure provided in an embodiment of the present invention.
Fig. 2 show transmitting module backside structure figure provided in an embodiment of the present invention.
Fig. 3 show receiving module Facad structure figure provided in an embodiment of the present invention.
Fig. 4 show receiving module backside structure figure provided in an embodiment of the present invention.
Fig. 5 show receiving module provided in an embodiment of the present invention wireless energy in different transmission ranges on transmitting module
The efficiency chart of transmission.
Fig. 6 show receiving module provided in an embodiment of the present invention in transmitting module region laterally different position it is wireless
Energy transmission efficiency figure.
Fig. 7 show addition ferrite sheet provided in an embodiment of the present invention and is attached on the receiving module of the mobile phone back side different transmission
Apart from when wireless energy transfer efficiency chart.
Fig. 8 show addition ferrite sheet provided in an embodiment of the present invention and is attached to mobile phone back side receiving module in transmitting module
The wireless energy transmission efficiency figure of laterally different position in region.
Reference sign:The first circles of 101- coil, the second circles of 102- coil, 103- third circles coil, 104- electromagnetic energy
Measure input port, 105- resonant capacitances connectivity port, 106- thirds tie point, the first tie points of 107-, the second tie points of 108-,
109- excitation coils;
201- second emits resonance coil, 202- microstrip lines, the 4th tie points of 203-, the 6th tie points of 204-, 205- the
Five tie points;
301- receives resonance coil, the 7th tie points of 302-;
401- spurious resonances coil, the 8th tie points of 402-.
Specific implementation mode
Carry out detailed description of the present invention illustrative embodiments with reference to the drawings.It should be appreciated that shown in attached drawing and
The embodiment of description is only exemplary, it is intended that is illustrated the principle and spirit of the invention, and is not limited the model of the present invention
It encloses.
An embodiment of the present invention provides a kind of dispatch coil structure coupling radio energy transmission system based on magnetic resonance, packets
Include the transmitting module emitted for radio energy and the receiving module received for radio energy;Transmitting module is plate knot
Structure, front is provided with is provided with the second hair in conplane first transmitting resonance coil and excitation coil 109, the back side
Penetrate resonance coil 201 and the microstrip line 202 for connecting excitation coil 109;First transmitting resonance coil and the second transmitting resonance
Coil 201, which is connected, constitutes transmitting resonance coil;Receiving module is flat structure, and front is reception resonance coil 301, the back side
For spurious resonance coil 401.
All structures in the embodiment of the present invention are planarization structure, emit resonance coil, and excitation coil and reception are humorous
The coil that shakes is all made of printed circuit board technology and is process, to be attached on the sheet metal of medium plank.The embodiment of the present invention is logical
It crosses and uses co-planar designs, the first transmitting resonance coil and excitation coil are placed on same plane.In the embodiment of the present invention, transmitting
The edges and corners of each coil of module and receiving module are smooth arc structure.
As shown in Figure 1, the first transmitting resonance coil and excitation coil 109 are notched rectangular coil loop coil;
First transmitting resonance coil is located at the outer ring of place plane, and excitation coil 109 is located at the inner ring of place plane;Excitation coil 109
For multiturn coil;First transmitting resonance coil includes the first circle coil 101 being arranged from outside to inside, the second circle coil 102 and the
Three circle coils 103;The first tie point 107 and resonance capacitance connection port 105, third are respectively arranged on first circle coil 101
It is provided with the second tie point 108 on circle coil 103, electromagnetic energy input port 104 is provided on excitation coil 109 and third connects
Contact 106.
As shown in Fig. 2, it is provided with the 4th tie point 203 and the 5th tie point 205 on the second transmitting resonance coil 201, it is micro-
It is provided with the 6th tie point 204 on band line 202;It is provided with through-hole between first tie point 107 and the 4th tie point 203, second
It is provided with through-hole between tie point 108 and the 5th tie point 205, is provided between third tie point 106 and the 6th tie point 204
Through-hole.
As shown in Figure 3 and Figure 4, it is notched cubic helical ring to receive resonance coil 301 and spurious resonance coil 401
Shape coil;It receives and is provided with the 7th tie point 302 on resonance coil 301, the 8th tie point is provided on spurious resonance coil 401
402, the 7th tie point 302 is connected with the 8th tie point 402 by through-hole.
Below with two specific embodiments to the receipts provided by the invention for coupling radio energy transmission system based on magnetic resonance
Hair line coil structures elaborate:
Embodiment one:
Radio energy transmission system is coupled using the plate magnetic resonance of multiturn excitation coil structure.
The Facad structure of transmitting module and receiving module difference is as shown in figures 1 and 3, and backside structure is respectively such as Fig. 2 and Fig. 4
It is shown, and the back side is adhered to without any sheet metal.
According to the symbol logo in structure chart shown in Fig. 1~Fig. 4, the geometric parameter of transmitting module and receiving module and electrical
Parameter setting is as follows:
It adds and encourages in transmitting module, pumping signal generates electromagnetic viscosimeter on excitation coil 109.Electromagnetic energy first passes through
The first circle coil 101, the second circle coil 102 and the third circle coil 103 that magnetic induction coupled transfer emits resonance coil to first,
It is transmitted energy to again by magnetic resonance coupled modes and receives resonance coil 301, electromagnetic energy is defeated from resonance coil 301 is received
Go out, electric consumers, communication apparatus and LED illumination device are supplied to after rectifying and voltage-stabilizing.
In the embodiment of the present invention, under receiving module distance different on transmitting module, the reality of dispatch coil efficiency of transmission
The results are shown in Figure 5 for survey, and it is 20mm- that transmission range, which may be implemented, in dispatch coil structure provided by the invention as can be seen from FIG. 5
60mm, efficiency of transmission are more than 50% wireless power transmission.
When receiving module is located at the distance of transmitting module 40mm, at transmitting module laterally different position A, B, C, D, E
Dispatch coil efficiency of transmission measured result as shown in fig. 6, as can be seen from FIG. 6 dispatch coil structure provided by the invention effectively away from
From interior, with receiving coil transverse direction priming, efficiency of transmission declines unobvious.
Embodiment two:
The plate magnetic resonance coupling radio energy transmission system at the mobile phone back side is affixed on after receiving module addition ferrite sheet.
The Facad structure of transmitting module and receiving module difference is as shown in figures 1 and 3, and backside structure is respectively such as Fig. 2 and Fig. 4
It is shown, and the back side adds ferrite sheet and is attached to the mobile phone back side.
According to the symbol logo in structure chart shown in Fig. 1~Fig. 4, the geometric parameter of transmitting module and receiving module and electrical
Parameter setting is as follows:
It adds and encourages in transmitting module, pumping signal generates electromagnetic viscosimeter on excitation coil 109.Electromagnetic energy first passes through
The first circle coil 101, the second circle coil 102 and the third circle coil 103 that magnetic induction coupled transfer emits resonance coil to first,
It is transmitted energy to again by magnetic resonance coupled modes and receives resonance coil 301, electromagnetic energy is defeated from resonance coil 301 is received
Go out, electric consumers, communication apparatus and LED illumination device are supplied to after rectifying and voltage-stabilizing.
In the embodiment of the present invention, receiving module is affixed on the mobile phone back side after ferrite sheet is added, in transmitting module different distance
Under, the measured result of dispatch coil efficiency of transmission is as shown in fig. 7, dispatch coil structure provided by the invention can as can be seen from FIG. 7
To realize transmission range as 10mm-40mm, efficiency of transmission is more than 50% wireless power transmission.
Receiving module is affixed on the mobile phone back side after ferrite sheet is added, at range transmission module 30mm, in transmitting module cross
To the dispatch coil efficiency of transmission measured result at different location A, B, C, D, E as shown in figure 8, the present invention carries as can be seen from FIG. 8
The dispatch coil structure of confession is in effective distance, and with receiving coil transverse direction priming, efficiency of transmission declines unobvious.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.This field
Those of ordinary skill can make according to the technical disclosures disclosed by the invention various does not depart from the other each of essence of the invention
The specific variations and combinations of kind, these variations and combinations are still within the scope of the present invention.
Claims (6)
1. a kind of dispatch coil structure coupling radio energy transmission system based on magnetic resonance, which is characterized in that including being used for nothing
The transmitting module of line electric energy transmitting and the receiving module received for radio energy;
The transmitting module is flat structure, and front is provided in conplane first transmitting resonance coil and excitation
Coil (109), the back side are provided with the second transmitting resonance coil (201) and the microstrip line for connecting excitation coil (109)
(202);The first transmitting resonance coil and the second transmitting resonance coil (201), which are connected, constitutes transmitting resonance coil;
The receiving module is flat structure, and to receive resonance coil (301), the back side is spurious resonance coil in front
(401)。
2. dispatch coil structure according to claim 1, which is characterized in that the first transmitting resonance coil and excitation line
It is notched rectangular coil loop coil to enclose (109);The first transmitting resonance coil is located at the outer ring of place plane, institute
State the inner ring that excitation coil (109) is located at place plane;The excitation coil (109) is multiturn coil;
The first transmitting resonance coil includes the first circle coil (101) being arranged from outside to inside, the second circle coil (102) and the
Three circle coils (103);It is respectively arranged with the first tie point (107) and resonance capacitance connection end on the first circle coil (101)
Mouthful (105) are provided with the second tie point (108) on the third circle coil (103), are provided on the excitation coil (109)
Electromagnetic energy input port (104) and third tie point (106);
It is provided with the 4th tie point (203) and the 5th tie point (205) on the second transmitting resonance coil (201), it is described micro-
It is provided with the 6th tie point (204) on band line (202);
Be provided with through-hole between first tie point (107) and the 4th tie point (203), second tie point (108) and
It is provided with through-hole between 5th tie point (205), is provided between the third tie point (106) and the 6th tie point (204)
Through-hole.
3. dispatch coil structure according to claim 2, which is characterized in that the geometric parameter of the transmitting module and electrical
Parameter setting is as follows:
The outer length L of the first circle coil (101)TxFor 150mm-170mm;
The external width H of the first circle coil (101)TxFor 70mm-85mm;
The distance between the first circle coil (101) and the second circle coil (102) SRes1_TxFor 0.5mm-2mm;
The distance between the second circle coil (102) and third circle coil (103) SRes_TxFor 5mm-10mm;
The width W of microstrip line in the first transmitting resonance coilRes_TxFor 1mm-3mm;
The outer length L of the excitation coil (109)Loop_TxFor 120mm-130mm;
The external width H of the excitation coil (109)loop_TxFor 40mm-50mm;
The width W of microstrip line in the excitation coil (109)loop_TxFor 1mm-2mm;
The distance between adjacent two circles coil S in the excitation coil (109)Loop_TxFor 1mm-2mm;
The outer length L of the second transmitting resonance coil (201)Tx1For 150mm-170mm;
The external width H of the second transmitting resonance coil (201)Tx1For 70mm-85mm;
The width W of microstrip line in the second transmitting resonance coil (201)Res_Tx1For 1mm-3mm;
The transmitting resonance coil capacitance is 110pF-150pF.
4. dispatch coil structure according to claim 1, which is characterized in that the reception resonance coil (301) and parasitism
Resonance coil (401) is notched cubic helical annular coil;The 7th company is provided on the reception resonance coil (301)
Contact (302), is provided with the 8th tie point (402) on the spurious resonance coil (401), the 7th tie point (302) and
8th tie point (402) is connected by through-hole.
5. dispatch coil structure according to claim 4, which is characterized in that the geometric parameter of the receiving module and electrical
Parameter setting is as follows:
The outer length L for receiving resonance coil (301)RxFor 50mm-70mm;
The external width H for receiving resonance coil (301)RxFor 50mm-70mm;
The width W for receiving microstrip line in resonance coil (301)Res_RxFor 1mm-2mm;
The distance between microstrip line S in the reception resonance coil (301)Res_RxFor 0.5mm-2mm;
The outer length L of the spurious resonance coil (401)Rx1For 50mm-70mm;
The external width H of the spurious resonance coil (401)Rx1For 50mm-70mm;
The width W of microstrip line in the spurious resonance coil (401)Res1_RxFor 1mm-2mm;
The distance between microstrip line S in the spurious resonance coil (401)Res1_RxFor 0.5mm-2mm;
The reception resonance coil capacitance is 68pF~100pF.
6. according to any dispatch coil structures of claim 1-5, which is characterized in that the transmitting module and receiving module
Each coil edges and corners be smooth arc structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810815915.6A CN108766744B (en) | 2018-07-24 | Receiving and transmitting coil structure based on magnetic resonance coupling wireless power transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810815915.6A CN108766744B (en) | 2018-07-24 | Receiving and transmitting coil structure based on magnetic resonance coupling wireless power transmission system |
Publications (2)
Publication Number | Publication Date |
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CN108766744A true CN108766744A (en) | 2018-11-06 |
CN108766744B CN108766744B (en) | 2024-04-23 |
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CN109510288A (en) * | 2018-12-18 | 2019-03-22 | 成都瑞德星无线技术有限公司 | A kind of one-to-many wireless charging system and control method of power adaptive allotment |
CN110247463A (en) * | 2019-05-06 | 2019-09-17 | 河北科技大学 | Wireless charging system |
WO2022041105A1 (en) * | 2020-08-28 | 2022-03-03 | Covidien Lp | Medical device wireless charging system |
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CN104734368A (en) * | 2014-10-24 | 2015-06-24 | 喻易强 | Middle distance flat-plate wireless power transmission system based on magnetic resonance coupling |
CN106208416A (en) * | 2016-08-24 | 2016-12-07 | 重庆大学 | Electromagnetism chain type radio energy transmission system |
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JP4674656B1 (en) * | 2010-06-04 | 2011-04-20 | パナソニック株式会社 | Transmission / reception antenna and transmission / reception apparatus using the same |
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CN104064874A (en) * | 2013-03-22 | 2014-09-24 | 李超 | Integrated transceiver antenna applied for wireless charging |
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WO2022041105A1 (en) * | 2020-08-28 | 2022-03-03 | Covidien Lp | Medical device wireless charging system |
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