CN102611209A - Magnetic coupling resonance type wireless energy transmission device based on panel magnetic core - Google Patents
Magnetic coupling resonance type wireless energy transmission device based on panel magnetic core Download PDFInfo
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Abstract
A magnetic coupling resonance type wireless energy transmission device based on a panel magnetic core belongs to the technical field of magnetic coupling resonance type wireless energy transmission and solves the problem that existing magnetic coupling resonance type wireless energy transmission devices can be only used for low-power energy transmission. The output direct voltage of an energy supply circuit of the device is used as the direct-current busbar voltage Vdc for a coil drive circuit, the coil drive circuit outputs alternating-current square signals and applying the same to a resonance circuit to enable a transmitting coil to generate magnetic field energy, and the resonance circuit consists of an energy transmitting side capacitor bank and the transmitting coil of an energy transmitting subsystem. A magnetic field of the energy transmitting subsystem and a resonance circuit consisting of an energy receiving side capacitor bank and a receiving coil of an energy receiving subsystem are used for magnetic coupling resonance to generate electric energy on the receiving coil of the energy receiving subsystem, and the electric energy is transmitted to an energy conversion circuit which converts input signals of the electric energy into direct-current power voltage signals required by a load. The magnetic coupling resonance type wireless energy transmission device is used for wireless energy transmission.
Description
Technical field
The present invention relates to a kind of magnet coupled resonant type wireless energy transmission equipment, belong to the magnetic coupling resonance type wireless energy transmission technology field based on dull and stereotyped magnetic core.
Background technology
Wireless energy transmission technology receives much concern owing to having fail safe, convenience and wide application prospect, progressively begins to have substituted at present traditional lead power transfer mode.
The wireless energy transfer of utilizing electromagnetic field to carry out mainly can be divided into induction and magnet coupled resonant type.Induction wireless energy transfer generally adopts conventional cores such as traditional E type or jar type, and often volume and weight is bigger, and transmission range is nearer, has limited its application widely.And there is not the magnet coupled resonant type wireless energy transmission equipment of core structure; For example; Publication number is CN101316053, and open day is the Chinese patent " magnet coupled resonant type wireless energy transmission equipment " on December 3rd, 2008, and existence can not be satisfied the defective of power consumption equipment to powerful requirement.
Summary of the invention
The present invention is in order to solve the problem that can only carry out the small-power power transfer of existing magnet coupled resonant type wireless energy transmission equipment, a kind of magnet coupled resonant type wireless energy transmission equipment based on dull and stereotyped magnetic core to be provided.
Magnet coupled resonant type wireless energy transmission equipment based on dull and stereotyped magnetic core according to the invention; It comprises the energy supply circuit; It also comprises resonant control circuit, coil driver, energy emitting side capacitor group, energy emission subsystem, energy receiving subsystem, energy receiver side capacitor group, received energy change-over circuit
The output dc voltage of energy supply circuit is as the DC bus-bar voltage V of coil driver
Dc, coil driver is under the control of the pulse drive signal that resonant control circuit produces, and output frequency is f, and amplitude is positive and negative V
DcThe ac square wave signal; This ac square wave signal is applied on the resonant tank of being made up of the transmitting coil of energy emitting side capacitor group and energy emission subsystem; Said ac square wave signal frequency is consistent with the frequency of this resonant tank; Thereby generation resonance makes this transmitting coil produce magnetic field energy;
The magnetic coupled resonance is carried out in the magnetic field of resonant tank that the receiving coil of energy receiver side capacitor group and energy receiving subsystem is formed and the emission of energy emission subsystem; On the receiving coil of energy receiving subsystem, produce electric energy; This electric energy sends to the received energy change-over circuit, converts its input signal to load required DC power supply voltage signal by the received energy change-over circuit.
Said energy emission subsystem is identical with the structure of energy receiving subsystem,
Energy emission subsystem is made up of shielding aluminium sheet, insulation board, dull and stereotyped magnetic core, two clamps and transmission coil,
On the shielding aluminium sheet insulation board is set between two parties, dull and stereotyped magnetic core is set on the insulation board between two parties, the two ends of dull and stereotyped magnetic core are fixed on the insulation board through a clamp respectively, and transmission coil is fixed on the dull and stereotyped magnetic core;
Energy emission subsystem and energy receiving subsystem are oppositely arranged, and leave uniform air gap between said energy emission subsystem and the energy receiving subsystem.
Said transmission coil is fixed on the air gap side surface of dull and stereotyped magnetic core, and said transmission coil is the plate shaped coil that helical annular twines, and the profile of said plate shaped coil is identical with the profile of dull and stereotyped magnetic core; Perhaps said transmission coil spiral surrounding is wrapped on the dull and stereotyped magnetic core; The air gap side surface of the dull and stereotyped magnetic core of said energy emission subsystem and energy receiving subsystem is respectively regular polygon, circle or oval.
The material of said dull and stereotyped magnetic core is ferromagnetic metal oxide; The thickness range of dull and stereotyped magnetic core is 1mm to 100mm.
The material of said dull and stereotyped magnetic core is nickel-zinc ferrite or manganese-zinc ferrite.
The relative permeability scope of said dull and stereotyped magnetic core is 1000 to 10000.
Said transmission coil adopt the strand system mutually insulated odd number bundle very fine enameled wire or silk-covered wire is parallel with one another processes, every bundle very fine enameled wire or silk-covered wire comprise two strands of inlet wires and two bursts of outlets.
Said coil driver is the high frequency full bridge inverter; Said received energy change-over circuit is high-frequency rectification and DC/DC translation circuit.
The area of the air gap side surface of the dull and stereotyped magnetic core of said energy emission subsystem is more than or equal to the area of the air gap side surface of the dull and stereotyped magnetic core of energy receiving subsystem.
The electric capacity that said energy emitting side capacitor group and energy receiver side capacitor group adopt is small size high-frequency and high-voltage metallized film capacitor, and energy emitting side capacitor group and energy receiver side capacitor group all adopt the mode of capacitor array to constitute.
Advantage of the present invention is: core of the present invention is for forming energy transmission system by energy emission subsystem and energy receiving subsystem two parts; Wherein the energy radiating portion is issued to setpoint frequency in the driving of coil driver; Send the alternating magnetic field of same frequency to the external world; Energy receptor portions has realized the energy wireless transmission because thereby the identical generation of vibration frequency resonance receives magnetic field energy.The present invention compares with induction wireless energy transmission technology, has reduced device volume, has promoted transmission range and efficient greatly; Compare with the magnetic coupling resonance type wireless energy transmission technology of no core structure, reduced operating frequency, reduced the radiation in magnetic field, promoted through-put power greatly, realized the high-power high-efficiency transmission on the larger distance.
Transmission range scope of the present invention is 50mm-500mm, and resonant frequency range is 10KHz-1MHz, and through-put power is 0.5KW-50KW.
Apparatus of the present invention volume is little, is convenient to install, and can bears large-scale dislocation between energy emission subsystem and the energy receiving subsystem, can reach the efficient thousands of watts of class large power wireless energy transfer more than 90% by implementation efficiency.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is fixed on the structural representation of the air gap side surface of magnetic core for execution mode three described transmission coils;
Fig. 3 is the upward view of Fig. 2;
Fig. 4 is wrapped in the structural representation on the magnetic core for execution mode three described transmission coil spiral surroundings;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is the circuit structure diagram of coil driver;
Fig. 7 is the electrical block diagram of received energy change-over circuit;
Fig. 8 is the structural representation of energy emitting side capacitor group or energy receiver side capacitor group;
Fig. 9 is the circuit theory diagrams of energy emitting side capacitor group or energy receiver side capacitor group;
Figure 10 is delivered to the schematic diagram of transmission lines of transmission coil on the magnetic core for energy source;
Figure 11 is the transverse cross-sectional view of the transmission line of transmission coil; Symbol " " and " * " expression sense of current;
Figure 12 is each sketch map of CURRENT DISTRIBUTION on the transmission line of transmission coil;
Figure 13 is per two sketch mapes of CURRENT DISTRIBUTION on the transmission line of transmission coil.
Embodiment
Embodiment one: this execution mode is described below in conjunction with Fig. 1; The said magnet coupled resonant type wireless energy transmission equipment of this execution mode based on dull and stereotyped magnetic core; It comprises energy supply circuit 1; It also comprises resonant control circuit 2, coil driver 3, energy emitting side capacitor group 4, energy emission subsystem 5, energy receiving subsystem 6, energy receiver side capacitor group 7, received energy change-over circuit 8
The output dc voltage of energy supply circuit 1 is as the DC bus-bar voltage V of coil driver 3
Dc, coil driver 3 is under the control of the pulse drive signal that resonant control circuit 2 produces, and output frequency is f, and amplitude is positive and negative V
DcThe ac square wave signal; This ac square wave signal is applied on the resonant tank of being made up of the energy emitting side capacitor group 4 and the transmitting coil of energy emission subsystem 5; Said ac square wave signal frequency is consistent with the frequency of this resonant tank; Thereby generation resonance makes this transmitting coil produce magnetic field energy;
The magnetic coupled resonance is carried out in the magnetic field of resonant tank that the receiving coil of energy receiver side capacitor group 7 and energy receiving subsystem 6 is formed and 5 emissions of energy emission subsystem; On the receiving coil of energy receiving subsystem 6, produce electric energy; This electric energy sends to received energy change-over circuit 8, converts its input signal to load required DC power supply voltage signal by received energy change-over circuit 8.
The DC power supply voltage signal of said received energy change-over circuit 8 outputs directly is used for to load 9 power supplies.
In this execution mode, energy emission subsystem 5, energy receiving subsystem 6 allow to have each other large-scale non-alignment dislocation when carrying out power transfer.Resonant control circuit 2 can control on the whole wireless energy transform device operation, stop and transmission that can firm power.Apparatus of the present invention are operated in magnetic coupled resonance state, have high quality factor between energy emission subsystem 5 and the energy receiving subsystem 6, transmit energy by the magnetic field of close coupling resonance.Have high coupling coefficient between the transmission coil of energy emission subsystem 5 and the transmission coil of energy receiving subsystem 6, along with the increase of distance between the two, coupling coefficient can reduce gradually.When energy emitting side capacitor group 4, energy emission subsystem 5, energy receiving subsystem 6 and energy receiver side capacitor group 7 are operated in magnetic coupled resonance state; Its electric current and voltage is standard sine wave; The electric current and voltage phase difference is zero; That is, externally show as pure resistively, and power reaches maximum in the load.Said load 9 is mobile device, device or rechargeable battery.
The energy radiating portion; Driving at coil driver 3 is issued to setpoint frequency; Send the alternating magnetic field of this frequency to the external world, its energy is provided by energy supply circuit 1, and the operation of resonant control circuit 2 control entire equipment simultaneously stops and the stable transfer of power;
Energy receptor portions receives magnetic field energy and carries out power conversion, finally in load 9, obtains needed electric current and voltage performance number.
Dotted arrow among Fig. 1 has illustrated that the magnetic line of force in the transmission course distributes.
Embodiment two: below in conjunction with Fig. 2 to Fig. 5 this execution mode is described, this execution mode is for to the further specifying of execution mode one, and said energy emission subsystem 5 is identical with the structure of energy receiving subsystem 6,
On the shielding aluminium sheet 5-1 insulation board 5-2 is set between two parties, dull and stereotyped magnetic core 5-3 is set on the insulation board 5-2 between two parties, the two ends of dull and stereotyped magnetic core 5-3 are fixed on the insulation board 5-2 through a clamp 5-4 respectively, and transmission coil 5-5 is fixed on the dull and stereotyped magnetic core 5-3;
The external form of dull and stereotyped magnetic core 5-3 described in this execution mode is the thin flat shape, has one side in its two bottom surfaces at least for burnishing surface, is made up of a complete magnetic core or a plurality of compact core adhering components.Shielding aluminium sheet 5-1 has the effect of armoured magnetic field, prevents the interference of external device.The thickness of shielding aluminium sheet 5-1 is 0.5mm-5mm.The said dull and stereotyped magnetic core 5-3 back side is the insulation board of insulated electro plank with material.
Insulation board 5-2 plays the effect of supporting and insulating; Dull and stereotyped magnetic core 5-3 fixes the vibration that produces in preventing to use in both sides with nonmetal clamp 5-4; Whole energy emission subsystem 5 installs and fixes through the set bolt of nonmagnetic substance at last.
Embodiment three: this execution mode is described below in conjunction with Fig. 2 to Fig. 5; This execution mode is further specifying execution mode two; Said transmission coil 5-5 is fixed on the air gap side surface of dull and stereotyped magnetic core 5-3; Said transmission coil 5-5 is the plate shaped coil that helical annular twines, and the profile of said plate shaped coil is identical with the profile of dull and stereotyped magnetic core 5-3; Perhaps said transmission coil 5-5 spiral surrounding is wrapped on the dull and stereotyped magnetic core 5-3; The air gap side surface of the dull and stereotyped magnetic core 5-3 of said energy emission subsystem 5 and energy receiving subsystem 6 is respectively regular polygon, circle or oval.
Described dull and stereotyped magnetic core 5-3 goes up transmission coil 5-5 and is divided into snail and winding screw dual mode.
Dull and stereotyped magnetic core 5-3 may be selected to be symmetric shape.
Embodiment four: this execution mode is for to the further specifying of execution mode two or three, and the material of said dull and stereotyped magnetic core 5-3 is ferromagnetic metal oxide; The thickness range of dull and stereotyped magnetic core 5-3 is 1mm to 100mm.
Dull and stereotyped magnetic core 5-3 is that ferromagnetic metal oxide refers to that dull and stereotyped magnetic core 5-3 is a soft magnetic ferrite.
Embodiment five: this execution mode is for to the further specifying of execution mode two or three, and the material of said dull and stereotyped magnetic core 5-3 is nickel-zinc ferrite or manganese-zinc ferrite.
Embodiment six: this execution mode is for to the further specifying of execution mode two, three, four or five, and the relative permeability scope of said dull and stereotyped magnetic core 5-3 is 1000 to 10000.
Embodiment seven: this execution mode is described below in conjunction with Figure 10 to Figure 13; This execution mode is further specifying execution mode two, three, four, five or six; Said transmission coil 5-5 adopt the strand system mutually insulated odd number bundle very fine enameled wire or silk-covered wire is parallel with one another processes, every bundle very fine enameled wire or silk-covered wire comprise two strands of inlet wires and two bursts of outlets.
The line of said single enamelled wire directly is less than or equal to 0.5mm.Enamel-cover wire harness outermost layer twines with insulated tube or fire-retardant silk.
Described transmission coil 5-5 structure has reduced the uneven distribution electric current between adjacent wires to the full extent.
Embodiment eight: below in conjunction with Fig. 6 and Fig. 7 this execution mode is described, this execution mode is for to the further specifying of execution mode one, two, three, four, five, six or seven, and said coil driver 3 is the high frequency full bridge inverter; Said received energy change-over circuit 8 is high-frequency rectification and DC/DC translation circuit.
Said received energy change-over circuit 8 becomes direct current with high-frequency alternating current, secondly direct current is carried out the DC/DC conversion of pulse-width signal control, with boost in voltage or be depressurized to desirable value, thereby reaches the requirement of power consumption equipment.The high-frequency rectification bridge of received energy change-over circuit 8 adopts high-frequency film electric capacity as rectifying and wave-filtering electric capacity.
Embodiment nine: this execution mode is for to the further specifying of execution mode two, three, four, five, six, seven or eight, and the area of the air gap side surface of the dull and stereotyped magnetic core 5-3 of said energy emission subsystem 5 is more than or equal to the area of the air gap side surface of the dull and stereotyped magnetic core 5-3 of energy receiving subsystem 6.
Embodiment ten: this execution mode is described below in conjunction with Fig. 8 and Fig. 9; This execution mode is further specifying execution mode one, two, three, four, five, six, seven, eight or nine; Said energy emitting side capacitor group 4 is small size high-frequency and high-voltage metallized film capacitor with the electric capacity that energy receiver side capacitor group 7 adopts, and energy emitting side capacitor group 4 all adopts the mode of capacitor array to constitute with energy receiver side capacitor group 7.
Said a plurality of electric capacity connection in series-parallel to required resonant capacitance value, energy emitting side capacitor group 4 adopts the serial or parallel connection structure with energy receiver side capacitor group 7.
The present invention has utilized the magnetic coupling formula wireless energy transmission technology that shakes, and adopts two electromagnetic systems with identical particular resonant frequency on the certain distance, and it produces resonance owing to vibration frequency is identical, carry out NE BY ENERGY TRANSFER.Kept the magnetic coupling significant advantage that formula wireless energy transmission technology efficiency of transmission is high, quality factor are high of shaking.
Energy emitting side capacitor group 4 of the present invention constitutes a LC oscillating circuit with the transmission coil 5-5 of energy emission subsystem 5; Its natural frequency is f; Equally; Energy receiver side capacitor group 7 has also constituted a LC oscillating circuit with the transmission coil 5-5 of energy receiving subsystem 6, and the electric current and voltage on its coil, the capacitor is sine wave, and its natural frequency can be passed through formula
Be configured to f.
Through the effect of coil driver 3, a high-frequency square-wave signal that has energy is applied on the transmission coil of energy emission subsystem 5, and its frequency is f.Under this excitation, coil will tranmitting frequency be the alternating magnetic field of f in the space, and electric energy converts magnetic field energy into.And because the adding of high magnetic permeability magnetic core, magnetic field is constrained on shown in Fig. 1, in the scope that dotted line is represented.
Field frequency is consistent in the frequency of oscillation of the transmission coil of energy receiving subsystem 6 and the space; Thereby produce the magnetic coupled resonance; In the loop of this transmission coil and energy receiver side capacitor group 7 compositions, obtain electric energy; Magnetic field energy converts electric energy again into, and the media that energy exchange is carried out in the space is the alternating magnetic field of resonance.The power transfer process of apparatus of the present invention that Here it is is different from traditional electromagnetic induction wireless energy transfer mode.Since power transfer be through with the space in magnetic field the resonance under the CF takes place; And used the dull and stereotyped magnetic core of big transmission area; Inconsistent on dislocation in transmission system can allow in a big way and the area volume has very big practical application meaning.
The present invention has adopted the dull and stereotyped magnetic core of big transmission area; Magnet coupled resonant type wireless energy transmission equipment with respect to no core structure; Magnetic field has been constrained within the magnetic core areal extent, has reduced the leakage in magnetic field, has improved magnetic density; Reduced the required frequency that reaches, reduced energy to a large extent and supplied with part, resonant circuit difficulty and cost partly with the equifield intensity system.
Shown in Figure 6, at first, in the coil driver 3, industrial-frequency alternating current (100V～380V) through do not control rectifier bridge, high-frequency filter capacitor becomes direct current after filtering high-frequency harmonic component, big capacity filter capacitor filtering voltage regulation.The effect of RCD absorption circuit, bus capacitor is to eliminate the spike that produces in the switching tube switching process among Fig. 6, reduces the impact to circuit, improves inversion efficiency and power.
Shown in Figure 7; Received energy change-over circuit 8 is received after the energy; The high-frequency rectification bridge through being made up of the high-frequency rectification diode at first is afterwards through the electric capacity filtering voltage regulation of advancing, owing to higher frequency realizes filtering voltage regulation more easily; So this electric capacity can be chosen the littler high-frequency film electric capacity of volume, further reduced the volume of device.The direct current of rectifying and wave-filtering output passes through the DC/DC translation circuit again, with boost in voltage or be depressurized to the needed value of power consumption equipment, thereby accomplishes the reception and the conversion of energy.
Fig. 8 and Fig. 9 have shown the optimal way of energy emitting side capacitor group 4 and energy receiver side capacitor group 7 among the present invention.Compare with appearance value electric capacity such as tradition, this structure has increased the life-span of electric capacity and the stability of system greatly, and because the mode that adopts PCB to install, the replacing of electric capacity is more convenient with debugging.
Figure 10 to Figure 13 has shown that the present invention launches the principle and the structure of reception and transmission line.
According to maxwell theory; When passing through electric current I in the lead; Produce magnetic field like a-b-c among Figure 13 and d-e-f direction; Plane M and N produce induced electromotive force; This induced electromotive force produces eddy current (among Figure 13 shown in the dotted line on the conductor length direction; Principal current and eddy current sum are strengthened in conductive line surfaces; Weaken at trend lead center, and uneven distribution appears in electric current, is called kelvin effect; High more this phenomenon of frequency is serious more, and usually the empirical Calculation formula is: choosing of skin depth
transmission line line footpath should be smaller or equal to 2 Δs during 100 ℃ of skin depth
conductor temperatures during 25 ℃ of conductor temperatures.Adopt the multiply very fine enameled wire or the silk-covered wire of strand system among the present invention; Be called litz wire again; This inhomogeneous CURRENT DISTRIBUTION on the lead of every mutual insulating, is farthest reduced the AC impedance value that this phenomenon causes, reduced lead alternating current-direct current impedance ratio R
AC/ R
DC, reduced the loss on the high frequency state lower coil, reduced coil temperature, improved the fail safe and stability of power transfer part.
Moreover owing to the action of a magnetic field between adjacent wires, electric current presented the phenomenon that attracts each other or repel, shown in shade among Figure 12 when lead passed through equidirectional or current in opposite.Two transmission lines that the present invention is connected to coil with tradition are divided into follows more, and arranges again according to mode shown in Figure 11, has realized cancelling out each other between magnetic field, has reduced above-mentioned inhomogeneous electric current.
With existing conventional apparatus or compared with techniques, the present invention has following advantage: 1, adopt dull and stereotyped magnetic core, can realize the high power transmission under the small size, be convenient to install and practical application; 2, adopt magnetic coupled resonance principle, can realize transmission than high-effect long distance; 3, use the multiple technology that reduces loss, realized high-efficiency transfer; 4, can bear dislocation on a large scale, improve the transmission convenience effectively.4, reduce operating frequency, reduced the radiation that resonance magnetic field causes.
Claims (10)
1. magnet coupled resonant type wireless energy transmission equipment based on dull and stereotyped magnetic core; It comprises energy supply circuit (1); It is characterized in that: it also comprises resonant control circuit (2), coil driver (3), energy emitting side capacitor group (4), energy emission subsystem (5), energy receiving subsystem (6), energy receiver side capacitor group (7), received energy change-over circuit (8)
The output dc voltage of energy supply circuit (1) is as the DC bus-bar voltage V of coil driver (3)
DcCoil driver (3) is under the control of the pulse drive signal that resonant control circuit (2) produces, and output frequency is f, and amplitude is the ac square wave signal of positive and negative Vdc; This ac square wave signal is applied on the resonant tank of being made up of the transmitting coil of energy emitting side capacitor group (4) and energy emission subsystem (5); Said ac square wave signal frequency is consistent with the frequency of this resonant tank, thereby produces resonance, makes this transmitting coil produce magnetic field energy;
The magnetic coupled resonance is carried out in the magnetic field of resonant tank that the receiving coil of energy receiver side capacitor group (7) and energy receiving subsystem (6) is formed and energy emission subsystem (5) emission; On the receiving coil of energy receiving subsystem (6), produce electric energy; This electric energy sends to received energy change-over circuit (8), converts its input signal to load required DC power supply voltage signal by received energy change-over circuit (8).
2. the magnet coupled resonant type wireless energy transmission equipment based on dull and stereotyped magnetic core according to claim 1 is characterized in that: said energy emission subsystem (5) is identical with the structure of energy receiving subsystem (6),
Energy emission subsystem (5) is made up of shielding aluminium sheet (5-1), insulation board (5-2), dull and stereotyped magnetic core (5-3), two clamps (5-4) and transmission coil (5-5),
On the shielding aluminium sheet (5-1) insulation board (5-2) is set between two parties; Dull and stereotyped magnetic core (5-3) is set on the insulation board (5-2) between two parties; The two ends of dull and stereotyped magnetic core (5-3) are fixed on the insulation board (5-2) through a clamp (5-4) respectively, and transmission coil (5-5) is fixed on the dull and stereotyped magnetic core (5-3);
Energy emission subsystem (5) and energy receiving subsystem (6) are oppositely arranged, and leave uniform air gap between said energy emission subsystem (5) and the energy receiving subsystem (6).
3. the magnet coupled resonant type wireless energy transmission equipment based on dull and stereotyped magnetic core according to claim 2; It is characterized in that: said transmission coil (5-5) is fixed on the air gap side surface of dull and stereotyped magnetic core (5-3); Said transmission coil (5-5) is the plate shaped coil that helical annular twines, and the profile of said plate shaped coil is identical with the profile of dull and stereotyped magnetic core (5-3); Perhaps said transmission coil (5-5) spiral surrounding is wrapped on the dull and stereotyped magnetic core (5-3); The air gap side surface of the dull and stereotyped magnetic core (5-3) of said energy emission subsystem (5) and energy receiving subsystem (6) is respectively regular polygon, circle or oval.
4. according to claim 2 or 3 described magnet coupled resonant type wireless energy transmission equipments based on dull and stereotyped magnetic core, it is characterized in that: the material of said dull and stereotyped magnetic core (5-3) is ferromagnetic metal oxide; The thickness range of dull and stereotyped magnetic core (5-3) is 1mm to 100mm.
5. according to claim 2 or 3 described magnet coupled resonant type wireless energy transmission equipments based on dull and stereotyped magnetic core, it is characterized in that: the material of said dull and stereotyped magnetic core (5-3) is nickel-zinc ferrite or manganese-zinc ferrite.
6. according to claim 2 or 3 described magnet coupled resonant type wireless energy transmission equipments based on dull and stereotyped magnetic core, it is characterized in that: the relative permeability scope of said dull and stereotyped magnetic core (5-3) is 1000 to 10000.
7. according to claim 2 or 3 described magnet coupled resonant type wireless energy transmission equipments based on dull and stereotyped magnetic core; It is characterized in that: said transmission coil (5-5) adopt the strand system mutually insulated odd number bundle very fine enameled wire or silk-covered wire is parallel with one another processes, every bundle very fine enameled wire or silk-covered wire comprise two strands of inlet wires and two bursts of outlets.
8. the magnet coupled resonant type wireless energy transmission equipment based on dull and stereotyped magnetic core according to claim 1 is characterized in that: said coil driver (3) is the high frequency full bridge inverter; Said received energy change-over circuit (8) is high-frequency rectification and DC/DC translation circuit.
9. according to claim 2 or 3 described magnet coupled resonant type wireless energy transmission equipments based on dull and stereotyped magnetic core, it is characterized in that: the area of the air gap side surface of the dull and stereotyped magnetic core (5-3) of said energy emission subsystem (5) is more than or equal to the area of the air gap side surface of the dull and stereotyped magnetic core (5-3) of energy receiving subsystem (6).
10. the magnet coupled resonant type wireless energy transmission equipment based on dull and stereotyped magnetic core according to claim 1; It is characterized in that: the electric capacity that said energy emitting side capacitor group (4) and energy receiver side capacitor group (7) adopt is small size high-frequency and high-voltage metallized film capacitor, and energy emitting side capacitor group (4) and energy receiver side capacitor group (7) all adopt the mode of capacitor array to constitute.
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| CN103051071A (en) * | 2013-01-09 | 2013-04-17 | 哈尔滨工业大学 | Desktop load power supply device based on wireless energy transmission |
| CN105474506A (en) * | 2013-12-05 | 2016-04-06 | 株式会社村田制作所 | Power receiving device and power transmission system |
| CN105474506B (en) * | 2013-12-05 | 2018-05-25 | 株式会社村田制作所 | Current-collecting device and electrical power transmission system |
| CN106663966B (en) * | 2014-06-10 | 2020-04-24 | 联发科技（新加坡）私人有限公司 | Multi-mode wireless power transmitter |
| CN106663966A (en) * | 2014-06-10 | 2017-05-10 | 联发科技（新加坡）私人有限公司 | Multi-mode wireless power transmitter |
| CN104167830A (en) * | 2014-08-26 | 2014-11-26 | 哈尔滨工业大学 | Wireless energy transmission device capable of shielding electromagnetic radiation in no-load process |
| CN107925271A (en) * | 2015-08-26 | 2018-04-17 | 高通股份有限公司 | Compensated using the ferritic receiver off resonance of transmitter |
| CN106611985A (en) * | 2015-10-20 | 2017-05-03 | 沈阳新松机器人自动化股份有限公司 | Wireless charging system based on tailless service robot |
| CN108701533B (en) * | 2015-11-18 | 2020-12-01 | 香港大学 | Wireless power transfer system |
| CN108701533A (en) * | 2015-11-18 | 2018-10-23 | 香港大学 | Wireless power transmission system |
| CN107665767A (en) * | 2016-07-29 | 2018-02-06 | 三星电机株式会社 | Magnetic material and the device for being used to send data using magnetic material |
| CN107147221A (en) * | 2017-07-05 | 2017-09-08 | 广东电网有限责任公司电力科学研究院 | The spiral LHM in hexagon concave surface and transmission line of electricity energy transmission system |
| CN107147221B (en) * | 2017-07-05 | 2023-04-25 | 广东电网有限责任公司电力科学研究院 | Hexagonal concave spiral left-handed material and power transmission line energy transmission system |
| CN107627887A (en) * | 2017-09-27 | 2018-01-26 | 哈尔滨工业大学 | Magnetic coupling applied to wireless charging system for electric automobile |
| CN110350943A (en) * | 2018-09-28 | 2019-10-18 | 深圳市速腾聚创科技有限公司 | Wireless communication apparatus with energy transmission and the wireless communication method with energy transmission |
| CN110350943B (en) * | 2018-09-28 | 2023-09-15 | 深圳市速腾聚创科技有限公司 | Wireless communication device with energy transmission and wireless communication method with energy transmission |
| CN110098667A (en) * | 2019-06-04 | 2019-08-06 | 安徽工程大学 | A kind of wireless charging system based on magnetic structure |
| CN110137646A (en) * | 2019-06-19 | 2019-08-16 | 西南应用磁学研究所 | A kind of bandpass filter and modulator approach of centre frequency and the double tune of bandwidth |
| CN110137646B (en) * | 2019-06-19 | 2024-01-16 | 西南应用磁学研究所 | Band-pass filter with double-modulation center frequency and bandwidth and modulation method |
| CN111541309A (en) * | 2019-08-26 | 2020-08-14 | 上海交通大学 | Wireless energy transmitting device for gastrointestinal tract micro-robot |
| CN113644755A (en) * | 2020-05-11 | 2021-11-12 | 丸荣机械股份有限公司 | Vibration processing device and power supply system and wireless power transmitter thereof |
| CN112821574A (en) * | 2021-01-13 | 2021-05-18 | 上海交通大学 | Spiral square transmitting coil for gastrointestinal tract micro-robot |
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