CN106849299A - The variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology and method - Google Patents
The variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology and method Download PDFInfo
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Abstract
The invention discloses the variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology and method, transmitting device includes rectification module, transmitting terminal Voltage stabilizing module and high-frequency inversion module, transmitting terminal coupled resonance coil, receiving terminal coupled resonance coil, receiving terminal resonant-circuit capacitor, receiving terminal rectification module and receiving terminal Voltage stabilizing module, variable resonance compensation circuit module, the input of variable resonance compensation circuit module is connected with the output end of high-frequency inversion module, and output end is connected with transmitting terminal coupled resonance coil；Detection control module, for charge parameter and |input paramete information, drives cut-offfing for metal-oxide-semiconductor and cut-offfing for gate-controlled switch.In constant-current charging phase, application strings/string resonance compensation topology, in constant voltage charging phase, using LCC/ string resonance compensation topologys；Effectively meet the unique need of charging electric vehicle, and it is optimal with power to have taken into account radio energy transmission system efficiency on the premise of electric automobile side receiving end device is not changed.
Description
Technical field
The present invention relates to wireless power transmission technical field, more particularly to the variable magnetic coupling resonance of resonance compensation topology without
Line power transfer and method.
Background technology
The concern for increasingly seriously causing the whole world increasingly reduced with environmental problem of fossil fuel in recent years.Electric automobile
Energy conversion efficiency is high, and the inexorable trend of China Automobile Industry is become the features such as zero-emission；Extensive electric automobile conduct
Mobile energy storing devices also will be as the mainstay of the third time industrial revolution (energy internet).But current battery technology into
It is the maximum short slab of Development of Electric Vehicles, is also that electric automobile cannot replace the basic reason and core of orthodox car to ask at present
Topic.The problems such as batteries of electric automobile high cost, energy density are low, the charging interval is long, application risk is big seriously restricts its industry
Development.Wireless power transmission technology provides a Tiao Xin roads for the development of electric automobile.It is electronic using wireless power transmission technology
Automobile can avoid directly electrical contact when charging, effectively reduce the possibility that accident occurs when charging.Meanwhile, using radio energy
Transmission technology can realize one-to-one, many-one, one-to-many, multi-to-multi charging, and operation is flexible and saves electrically-charging equipment.Except this
Outside wireless power transmission technology biggest advantage can be achieved on it is mobile in charge, so as to reduce the appearance of batteries of electric automobile
Amount, makes its lighter practicality.
Magnetic coupling resonance type wireless method of electric energy transfer realizes that electric energy is transferred to receiving terminal by transmitting terminal by magnetic field,
And circuit resonance and resonance principle are utilized, the coupling between transmitting terminal and receiving terminal is strengthened, efficiency of transmission is improved.The method
Electromagnetic radiation is smaller, influences small to life entity, and the electronic product influence on other frequencies is small, and transmission range is moderate, for non-gold
The barrier penetration capability of category material and small-sized metal material is extremely strong, and the change to displacement and angle is insensitive；But the party
Method efficiency of transmission is not so good as induction method, and the fluctuation of frequency influences very big to system effectiveness.
Magnetic coupling resonance type wireless method of electric energy transfer due to its plurality of advantages, as electric automobile wireless charging method
First-selection.The common resonance compensation topology of current magnetic coupling resonance type wireless method of electric energy transfer includes four kinds of basic topologies：
String/string (SS) topological, serial/parallel (SP) topological, parallel/serial (PS) topology and/and (PP) topology；Also include some New Topologicals such as：
LCC topologys, LCL topologys etc..Every kind of topology all has its unique output characteristic, respectively has advantage, often according to application scenario
Difference considers to select.But due to the mechanism and feature of battery, the internal resistance of cell is continually changing in charging process, even most simple
It is also the most frequently used charging method --- constant-current constant-voltage charging strategy also has two working stages：Constant-current phase and constant pressure rank
Section, its requirement cannot be efficiently met using the radio energy transmission system of single resonance compensation scheme.
The content of the invention
The purpose of the present invention is exactly to solve the above problems, there is provided the variable magnetic coupling resonance of resonance compensation topology is wireless
Power transfer and method, transmitting terminal circuit resonance compensation topology is changed by switching device, can be in charging electric vehicle
Different phase application it is different resonance compensation topology.
To achieve these goals, the present invention is adopted the following technical scheme that：
The resonance compensation variable magnetic coupling resonant radio energy transmitting device of topology, including be sequentially connected in series rectification module,
Transmitting terminal Voltage stabilizing module and high-frequency inversion module, transmitting terminal coupled resonance coil, the receiving terminal coupled resonance coil being sequentially connected in series,
Receiving terminal resonant-circuit capacitor, receiving terminal AC/DC rectification modules and receiving terminal Voltage stabilizing module,
Also include variable resonance compensation circuit module, different resonance topological shapes are downconverted into the control of gate-controlled switch
State, the input of the variable resonance compensation circuit module is connected with the output end of the high-frequency inversion module, output end with
The transmitting terminal coupled resonance coil connection；
Also include detection control module, for detecting the charge parameter of rechargeable battery and the |input paramete of high-frequency inversion module
Information, drives cut-offfing for the metal-oxide-semiconductor in high-frequency inversion module to be cut-off with gate-controlled switch in variable resonance compensation circuit module.
The variable resonance compensation circuit module includes the inductance L of series connection0, gate-controlled switch S1With electric capacity CS, gate-controlled switch
S1With electric capacity CSCommon port connection electric capacity C1One end, the C1The other end connect gate-controlled switch S simultaneously1One end and controllable
Switch S3One end, the gate-controlled switch S1The other end be connected to inductance L0The point connected with high-frequency inversion module, it is described controllable
The other end for switching S3 is connected to one end of the transmitting terminal coupled resonance coil, the transmitting terminal coupled resonance coil it is another
End and the electric capacity CSConnection.
Gate-controlled switch is two-way switch, is reversely connected in series to form by two metal-oxide-semiconductors.
The detection control module includes microcontroller, input and the emitting side measure voltage ＆ current of the microcontroller
Circuit and wireless data receipt modules are connected, and output end is connected with drive circuit, wireless data receipt modules and without line number
Communicated according to transport module, the wireless data transfer module detects circuit communication with receiving side charge parameter.
Voltage, electric current during receiving side charge parameter detection electric circuit inspection charging batteries of electric automobile, temperature parameter pass through
Wireless data transfer module transfers data to wireless data receipt modules；Emitting side voltage and current detection circuit detection high frequency is inverse
Become the input voltage and input current data of module；
Microprocessor provides control signal to control the input voltage of high-frequency inversion module steady according to the data for receiving
It is fixed, control the dutycycle of the drive signal of inversion module to control battery charging voltage electric current, control variable resonance compensation electricity
The switching of road module topology state, and drive circuit is transmitted control signals to, drive circuit is controlled so as to produce drive signal
Gate-controlled switch cut-offs.
The variable resonance compensation circuit module and transmitting terminal coupled resonance coil composition emitting side coupled resonant circuit；
Receiving terminal coupled resonance coil and receiving terminal resonant-circuit capacitor composition receiving side coupled resonant circuit；Both pass through magnetic coupling
Transmission energy, realizes being wirelessly transferred for electric energy；The high-frequency inversion frequency of high-frequency inversion module, emitting side resonant frequency, receiving side
Resonance accentuator coupling is realized when resonant frequency three is equal.
Inductance capacitance value in variable resonance compensation circuit module meets following condition：
Wherein, L2=kL1, k is receiving side and emitting side resonance coil inductance ratio, L0=pL1, 0<p<1.
Gate-controlled switch S1And S3Disconnect, S2When opening, variable resonance compensation circuit module and transmitting terminal coupled resonance coil
Composition string/string resonance compensation topology, gate-controlled switch S2Disconnect, S1And S3When opening, variable resonance compensation circuit module and transmitting
End coupled resonance coil composition LCC resonance circuits.
High-frequency inversion module, is a full bridge inverter；Receiving terminal AC/DC rectification modules, are single-phase full bridge rectified current
Road.
Using the control method of the variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology, including,
In constant-current charging phase, detection control module drives gate-controlled switch S2It is open-minded, gate-controlled switch S1、S3Shut-off, it is variable
Resonance compensation circuit module is similar to constant current with transmitting terminal coupled resonance coil composition string string resonance compensation topology, output characteristics
Source；
In constant voltage charging phase, detection control module drives gate-controlled switch S1、S3It is open-minded, gate-controlled switch S2Shut-off, it is variable
Resonance compensation circuit module constitutes LCC resonance circuits with transmitting terminal coupled resonance coil, and output characteristics is similar to constant pressure source；
The input voltage and input current data of high-frequency inversion module of the detection control module by detecting, drive high-frequency inversion module
In metal-oxide-semiconductor, it is ensured that the stabilized input voltage of high-frequency inversion module is controllable；
Detection control module is combined by variable resonance compensation circuit mould by driving the metal-oxide-semiconductor of high-frequency inversion module
The emitting side coupled resonant circuit of block and transmitting terminal coupled resonance coil composition, using electric capacity and correspondence in high-frequency inversion module
Anti-paralleled diode realize ZVT inversion.
Beneficial effects of the present invention：
(1) due to using variable resonant compensation circuit, and two kinds of topological output characteristics are similar to constant-current source and constant pressure respectively
Source, reduces the difficulty of control, has taken into account radio energy transmission system efficiency and power, be more suitable for being applied to electric automobile without
Line charging field.
(2) knot of vehicle-mounted reception side apparatus is not changed using the variable wireless electric energy transmission device of resonance compensation topology
Structure, will not increase the weight and volume of the device of vehicle-mounted receiving side.
(3) Zero-voltage soft switch inversion is realized, the switching loss of metal-oxide-semiconductor is reduced, system effectiveness is improve.
(4) due to using variable resonant compensation topology so that the control of system is more flexible, can be applied to and require constant pressure
Source or the various occasions of constant current source power supply, have widened the range of application of the radio energy transmission system.
Brief description of the drawings
Fig. 1 is composition schematic diagram of the invention；
Fig. 2 is variable resonance compensation circuit main circuit diagram；
Fig. 3 is the main operation modes of variable resonance compensation circuit；
Fig. 3 (a) is string/string resonance topological state constant current source module；
Fig. 3 (b) is LCL/ string resonance topological state constant pressure source modules.
Wherein 1, control module is detected；2nd, three-phase AC/DC rectification modules；3rd, transmitting terminal Voltage stabilizing module；4th, DC/AC high frequencies are inverse
Become module 5, variable resonance compensation circuit module；6th, transmitting terminal coupled resonance coil；7th, receiving terminal coupled resonance coil；8th, connect
Receiving end resonant-circuit capacitor；9th, receiving terminal AC/DC rectification modules；10th, receiving terminal Voltage stabilizing module；11st, battery；12nd, three-phase electricity
Source.
Specific embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology, including detection control mould
Block 1, rectification module (three-phase AC/DC rectification modules 2), transmitting terminal Voltage stabilizing module 3, DC/AC high-frequency inversions module 4, variable is humorous
Compensation circuit of shaking module 5, transmitting terminal coupled resonance coil 6, receiving terminal coupled resonance coil 7, receiving terminal resonant-circuit capacitor 8,
Receiving terminal AC/DC rectification modules 9, receiving terminal Voltage stabilizing module 10, battery 11, three phase mains 12.
Detection control module 1, including microcontroller, emitting side voltage and current detection circuit, drive circuit, receiving side charge
Electrical parameter detection circuit, wireless data transfer module and wireless data receipt modules.
The keys such as voltage, electric current, temperature when receiving side charge parameter detection electric circuit inspection batteries of electric automobile 11 charges
Parameter transfers data to emitting side device by wireless data transfer module；Then wireless data receipt modules will be received
To microcontroller, microcontroller detects high frequency to data transfer according to these data and from emitting side voltage and current detection circuit
The data such as the input voltage and input current of inversion module 4, provide control signal to control the stabilized input voltage of high-frequency inversion module 4,
The dutycycle of the drive signal of inversion module 4 is controlled to control battery charging voltage electric current, the switching of control resonance compensation topology,
And above control signal is transferred to drive circuit；Drive circuit so as to produce drive signal, realize by cut-offfing for control metal-oxide-semiconductor
Control to wireless electric energy transmission device.
Three-phase AC/DC rectification modules 2, are three-phase bridge rectification circuit, including six metal-oxide-semiconductor Q1-Q6, by controlling metal-oxide-semiconductor
The dutycycle of drive signal, realizes to inversion module input voltage VinRegulation.Three-phase AC/DC rectification modules 2 are by three phase mains
12 AC rectification is direct current.
Transmitting terminal Voltage stabilizing module 3, is a filtering capacitance of voltage regulation Ci, by three-phase AC/DC rectification module rectifications obtain it is straight
Stream electricity is filtered voltage stabilizing.
DC/AC high-frequency inversions module 4, is a full bridge inverter.Full-bridge circuit is by 4 metal-oxide-semiconductor Q11-Q14With 4 electricity
Hold C11-C14Composition, electric capacity C11-C14Successively with metal-oxide-semiconductor Q11-Q14Parallel connection, metal-oxide-semiconductor Q in full-bridge circuit11、Q13Partner bridge
Arm, metal-oxide-semiconductor Q12、Q14Composition is another to bridge arm, 4 metal-oxide-semiconductor circuit controls driven, forms inverter circuit.Variable resonance is mended
Circuit module 5 and the composition resonance soft switch circuit of transmitting terminal coupled resonance coil 6 are repaid, reduces by 4 metal-oxide-semiconductor Q11-Q14Switch damage
Consumption.Realize Zero-voltage soft switch.
Variable resonance compensation circuit module 5, including inductance L0, electric capacity CS, electric capacity C1, two-way switch S1、S2、S3, wherein
Two-way switch is reversely connected in series to form for two metal-oxide-semiconductors, by controlling cut-offfing for two-way switch, realizes emitting side resonance compensation circuit
Switch between LCC compensation and series compensation.
Variable resonance compensation circuit module 5 and the composition emitting side coupled resonant circuit of transmitting terminal coupled resonance coil 6, connect
Receiving end coupled resonance coil 7 and the composition receiving side coupled resonant circuit of receiving terminal resonant-circuit capacitor 8, both pass through magnetic coupling
Transmission energy, realizes being wirelessly transferred for electric energy.In order to using accentuator coupling of resonating, make system high-frequency reverse frequency, hair
Resonant frequency three is equal to penetrate side resonant frequency, receiving side, i.e.,：
ω0=ω1=ω2=ω
In order to realize transmitting terminal and receiving terminal in the resonating at frequencies, system capacitance inductance value should meet：
Make L2=kL1, L0=pL1, (0<p<1), then：
Transmitting terminal coupled resonance coil 6L1, constitute resonance circuit with resonance compensation circuit, using transmitting terminal and receiving terminal it
Between close coupling, high-frequency ac electric flux is launched.
Receiving terminal coupled resonance coil 7L2, with receiving terminal resonant-circuit capacitor 8C2Composition series resonant circuit, receives by humorous
The energy that coupled magnetic field of shaking transmission comes.
Receiving terminal Voltage stabilizing module 10, is a filtering capacitance of voltage regulation Co, receiving terminal AC/DC rectification module rectifications are obtained
Direct current is filtered voltage stabilizing.
Receiving terminal AC/DC rectification modules 9, are single-phase full bridge rectification circuit, including 4 diode D1-D4, wherein diode
D1、D3Partner bridge arm, diode D2、D4Composition is another to bridge arm, and the high-frequency alternating current that rectification circuit will be received is rectified into
Direct current, then by receiving terminal Voltage stabilizing module 10, i.e. filtering voltage regulation electric capacity Co obtains relatively stable direct current, to electric power storage
Charged in pond 11.
Fig. 2 and Fig. 3 (a)-Fig. 3 (b) are further illustrating to variable resonance compensation topology, and Fig. 2 is variable resonance
The main circuit diagram of compensation topology, Fig. 3 (a)-Fig. 3 (b) is variable resonance compensation two kinds of circuit diagrams of mode of operation of topology, below
It is variable to two kinds of mode of operations and a kind of resonance compensation topology of variable resonant compensation topology according to Fig. 2 and Fig. 3 (a)-Fig. 3 (b)
The control method of magnet coupled resonant type wireless power transfer be further detailed：
The input voltage of the high-frequency inversion module 4 that detection control module 1 is detected by emitting side voltage and current detection circuit
The data such as electric current, drive metal-oxide-semiconductor Q1-Q6, it is ensured that the stabilized input voltage of high-frequency inversion module 4 is controllable.Detection control module 1 is led to
The metal-oxide-semiconductor Q of high-frequency inversion module 4 of overdriving11-Q14, and transmitting terminal resonance circuit is combined, using electric capacity C11-C14It is anti-with corresponding
Parallel diode realizes ZVT inversion.Detection control module 1 by control high-frequency inversion module 4 input voltage and its
Drive signal, realizes the precise control to battery charge voltage.
In charging electric vehicle, due to the characteristic of battery, constant-current charge is typically first carried out, in constant-current charging phase, such as
Shown in Fig. 3 (a), detection control module 1 drives S2It is open-minded, S1、S3Shut-off, electric capacity C1, electric capacity CSWith inductance L1Three element series connection
Connection, and impedance matching, series resonance；Radio energy transmission system switches to string string resonance compensation topology, and output characteristics is near
It is similar to constant-current source.In constant voltage charging phase, shown in such as Fig. 3 (b), detection control module 1 drives S1、S3It is open-minded, S2Shut-off, inductance
L0, electric capacity C1, electric capacity CSWith inductance L1Four elements constitute LCC resonance circuits；It is humorous that radio energy transmission system switches to LCC/ to go here and there
Shake compensation topology, and output characteristics is similar to constant pressure source.With reference to above-mentioned detection control module 1 to the He of three-phase AC/DC rectification modules 2
The control of DC/AC high-frequency inversions module 4, realization takes into account the electric automobile wireless charging of efficiency and power.
The method of the variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology：
It is typically small for the internal resistance of cell and be continually changing in charging process this feature, in constant-current charging phase, inspection
Survey control module and drive S2It is open-minded, S1、S3Shut-off, radio energy transmission system switches to string string resonance compensation topology, output characteristics
It is similar to constant-current source；In constant voltage charging phase, detection control module drives S1、S3It is open-minded, S2Shut-off, radio energy transmission system
Resonance compensation is topological to switch to LCC/ to go here and there, and output characteristics is similar to constant pressure source.
The input voltage electricity of the high-frequency inversion module that detection control module is detected by emitting side voltage and current detection circuit
The data such as stream, drive metal-oxide-semiconductor Q1-Q6, it is ensured that the stabilized input voltage of high-frequency inversion module is controllable.Detection control module is by driving
The metal-oxide-semiconductor Q of dynamic high-frequency inversion module11-Q14, and transmitting terminal resonance circuit is combined, using electric capacity C11-C14With corresponding inverse parallel
Diode realizes ZVT inversion.
Detect that control module, by controlling the input voltage and its drive signal of high-frequency inversion module, is mended with reference to variable resonant
The control of topography module is repaid, realization takes into account the electric automobile constant current constant voltage wireless charging of efficiency and power.
The work of the magnet coupled resonant type wireless power transfer variable to resonance compensation topology is former more than
The explanation of reason is described further to beneficial effects of the present invention：
(1) due to use variable resonant compensation circuit, wherein go here and there/go here and there resonance compensation topology output characteristics be similar to constant current
Source, and the output characteristics of LCC/ string resonance compensation topologys is similar to constant pressure source, and different topologys is applied in the different charging stages,
The difficulty of control is reduced, radio energy transmission system efficiency and power has been taken into account, is more suitable for being applied to electric automobile wireless
Charging field.
(2) as shown in figure 1, not changing vehicle-mounted reception using the variable wireless electric energy transmission device of resonance compensation topology
The structure of side device, what is still applied is series topology, does not also increase switching device, will not increase the device of vehicle-mounted receiving side
Weight and volume.
(3) it is in parallel using electric capacity and metal-oxide-semiconductor in high-frequency inversion module 4, with reference to the control of drive signal, realize no-voltage
Soft-switching inversion, reduces the switching loss of metal-oxide-semiconductor, improves system effectiveness.
(4) due to use variable resonant compensation topology, wherein go here and there/go here and there resonance compensation topology output characteristics be similar to constant current
Source, and the output characteristics of LCC/ string resonance compensation topologys is similar to constant pressure source, two kinds of different output characteristics cause the control of system
System more flexibly, can be applied to the various occasions for requiring constant pressure source or constant current source power supply, widen the wireless power transmission system
The range of application of system.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (10)
1. the variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology, including rectification module, the hair being sequentially connected in series
End Voltage stabilizing module and high-frequency inversion module are penetrated, transmitting terminal coupled resonance coil, connects the receiving terminal coupled resonance coil being sequentially connected in series
Receiving end resonant-circuit capacitor, receiving terminal AC/DC rectification modules and receiving terminal Voltage stabilizing module, it is characterized in that,
Also include variable resonance compensation circuit module, different resonance topological states be downconverted into the control of gate-controlled switch,
The input of the variable resonance compensation circuit module is connected with the output end of the high-frequency inversion module, output end with it is described
Transmitting terminal coupled resonance coil is connected；
Also include detection control module, for detecting the charge parameter of rechargeable battery and the |input paramete letter of high-frequency inversion module
Breath, drives cut-offfing for the metal-oxide-semiconductor in high-frequency inversion module to be cut-off with gate-controlled switch in variable resonance compensation circuit module.
2. the variable magnetic coupling resonant radio energy transmitting device of resonance compensation as claimed in claim 1 topology, it is characterized in that, institute
Stating variable resonance compensation circuit module includes the inductance L of series connection0, gate-controlled switch S1With electric capacity CS, gate-controlled switch S1With electric capacity CS
Common port connection electric capacity C1One end, the C1The other end connect gate-controlled switch S simultaneously1One end and gate-controlled switch S3's
One end, the gate-controlled switch S1The other end be connected to inductance L0The point connected with high-frequency inversion module, the gate-controlled switch S3's
The other end is connected to one end of the transmitting terminal coupled resonance coil, the other end of the transmitting terminal coupled resonance coil with it is described
Electric capacity CSConnection.
3. the variable magnetic coupling resonant radio energy transmitting device of resonance compensation as claimed in claim 1 or 2 topology, its feature
It is that gate-controlled switch is two-way switch, is reversely connected in series to form by two metal-oxide-semiconductors.
4. the variable magnetic coupling resonant radio energy transmitting device of resonance compensation as claimed in claim 1 topology, it is characterized in that, institute
Stating detection control module includes microcontroller, the input of the microcontroller and emitting side voltage and current detection circuit and wirelessly
Data reception module is connected, and output end is connected with drive circuit, the wireless data receipt modules and wireless data transfer module
Communication, the wireless data transfer module detects circuit communication with receiving side charge parameter.
5. the variable magnetic coupling resonant radio energy transmitting device of resonance compensation as claimed in claim 4 topology, it is characterized in that, connect
Voltage, electric current when receiving side charge parameter detection electric circuit inspection charging batteries of electric automobile, temperature parameter are passed by wireless data
Defeated module transfers data to wireless data receipt modules；Emitting side voltage and current detection circuit detects the defeated of high-frequency inversion module
Enter voltage x current data；
Microprocessor provides control signal to control the stabilized input voltage of high-frequency inversion module according to the data for receiving, control
The dutycycle of the drive signal of inversion module processed controls battery charging voltage electric current, controls variable resonance compensation circuit module
The switching of topology status, and drive circuit is transmitted control signals to, drive circuit controls controllable opening so as to produce drive signal
What is closed cut-offs.
6. the variable magnetic coupling resonant radio energy transmitting device of resonance compensation as claimed in claim 1 topology, it is characterized in that, institute
State variable resonance compensation circuit module and transmitting terminal coupled resonance coil composition emitting side coupled resonant circuit；Receiving terminal is coupled
Resonance coil and receiving terminal resonant-circuit capacitor composition receiving side coupled resonant circuit；Both transmit energy by magnetic coupling,
Realize being wirelessly transferred for electric energy；The high-frequency inversion frequency of high-frequency inversion module, emitting side resonant frequency, receiving side resonant frequency three
Resonance accentuator coupling is realized when person is equal.
7. the variable magnetic coupling resonant radio energy transmitting device of resonance compensation as claimed in claim 2 topology, it is characterized in that, can
Inductance capacitance value in the resonance compensation circuit module of change meets following condition：
Wherein, L2=kL1, k is receiving side and emitting side resonance coil inductance ratio, L0=pL1, 0<p<1.
8. the variable magnetic coupling resonant radio energy transmitting device of resonance compensation as claimed in claim 2 topology, it is characterized in that, can
Control switch S1And S3Disconnect, S2When opening, variable resonance compensation circuit module is humorous with transmitting terminal coupled resonance coil composition string string
Shake compensation topology, gate-controlled switch S2Disconnect, S1And S3When opening, variable resonance compensation circuit module and transmitting terminal coupled resonance
Coil constitutes LCC resonance circuits.
9. the variable magnetic coupling resonant radio energy transmitting device of resonance compensation as claimed in claim 1 topology, it is characterized in that, it is high
Frequency inversion module, is a full bridge inverter；Receiving terminal AC/DC rectification modules, are single-phase full bridge rectification circuit.
10. using the controlling party of the variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology described in claim 2
Method, it is characterized in that, including,
In constant-current charging phase, detection control module drives gate-controlled switch S2It is open-minded, gate-controlled switch S1、S3Shut-off, variable resonance
Compensation circuit module is similar to constant-current source with transmitting terminal coupled resonance coil composition string/string resonance compensation topology, output characteristics；
In constant voltage charging phase, detection control module drives gate-controlled switch S1、S3It is open-minded, gate-controlled switch S2Shut-off, variable resonance
Compensation circuit module constitutes LCC resonance circuits with transmitting terminal coupled resonance coil, and output characteristics is similar to constant pressure source；
The input voltage and input current data of high-frequency inversion module of the detection control module by detecting, in driving high-frequency inversion module
Metal-oxide-semiconductor, it is ensured that the stabilized input voltage of high-frequency inversion module is controllable；
Detection control module by driving the metal-oxide-semiconductor of high-frequency inversion module, and combine by variable resonance compensation circuit module and
The emitting side coupled resonant circuit of transmitting terminal coupled resonance coil composition, using the electric capacity in high-frequency inversion module and corresponding anti-
Parallel diode realizes ZVT inversion.
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| CN201710161937.0A CN106849299A (en) | 2017-03-17 | 2017-03-17 | The variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology and method |
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| CN201710161937.0A CN106849299A (en) | 2017-03-17 | 2017-03-17 | The variable magnetic coupling resonant radio energy transmitting device of resonance compensation topology and method |
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| CN107878237A (en) * | 2017-11-18 | 2018-04-06 | 山东农业大学 | A kind of electric tractor wireless charging device |
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| CN110957815A (en) * | 2019-12-11 | 2020-04-03 | 国网山东省电力公司济南供电公司 | Low-power consumption wireless self-powered sensor |
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| CN115246330A (en) * | 2022-07-21 | 2022-10-28 | 广西电网有限责任公司电力科学研究院 | Wireless charging primary side topology self-adaptive control method and system for electric automobile |
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