CN110422061A - A kind of wireless two-way transformation of electrical energy topology and its control method - Google Patents
A kind of wireless two-way transformation of electrical energy topology and its control method Download PDFInfo
- Publication number
- CN110422061A CN110422061A CN201910647787.3A CN201910647787A CN110422061A CN 110422061 A CN110422061 A CN 110422061A CN 201910647787 A CN201910647787 A CN 201910647787A CN 110422061 A CN110422061 A CN 110422061A
- Authority
- CN
- China
- Prior art keywords
- coil
- primary side
- unipolarity
- former
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
-
- 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
-
- 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
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
-
- 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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of wireless two-way transformation of electrical energy topology and its control methods, the secondary side coupling module of original of mixed compensation network and the coil composition with multiple-working mode is combined as using the system architecture of dual input in parallel and dual output, LCC-S and S-LCC, so that in magnetic coupling, there are in the case where offset distance, select optimal former secondary side coupling mechanism to be coupled.The control method proposed be passed through by control in former secondary coil in two concatenated first unipolarity coils and the second unipolarity coil sense of current and whether there is or not, make former secondary coil work in different modes, and then former secondary side coupling mechanism is switched over, choose the offset distance of the former secondary coil coupling mechanism when different former pair coefficients of coup under coupling mechanism are maximum former secondary and be used as Best Coupling mechanism, substantially increase the stability of the energy transmission efficiency and system when positional shift occurs for former secondary coil with resist it is offset resistance.
Description
Technical field
The invention belongs to wireless two-way electric energy transmission technology fields, more particularly, to a kind of wireless two-way transformation of electrical energy
Topology and its control method.
Background technique
Wireless charging technology is becoming increasingly popular in electric car field, and electric car can be coupled by magnetic induction and be carried out
Wireless charging.Wireless charging has many advantages, such as efficient, safety, green, does not need to be mechanically connected, and there is no charging interface agings to grind
Situations such as the problems such as damage is not in poor contact or electric leakage, and can accomplish with stopping charging and walking with filling, it is convenient and efficient.
Alignment between the magnetic coupling of former pair side must can not for ensuring under expected power level that effectively charging is
Few, offset physically will lead to the variation of key system perameter, such as the self-induction of coil, leakage inductance and mutual inductance, will lead to and is
Unstable, the reduction of power transfer and the increase of the power loss due to caused by detuning operation of system.In order to solve former secondary
There is a problem of that the stability of system and anti-offset behavior are poor in the case where deviating between the magnetic coupling of side, existing nothing
Line bidirectional electric energy transformation topology and its control method use the secondary control scheme and circuit topology of some complexity, such as infrared guidance
Deng, generally require increase ancillary equipment, higher cost.In addition, control delay can be generated by the way of auxiliary control, reduce
The reliability of system, and can only realize the improvement of anti-offset behavior in close limit, when the offset distance of coupling mechanism is larger,
Resist offset resistance poor.
A kind of resist offset resistance preferable wireless two-way transformation of electrical energy topology in larger deviation range in conclusion providing
And its control method the problem of being urgent need to resolve.
Summary of the invention
In view of the drawbacks of the prior art, the purpose of the present invention is to provide a kind of wireless two-way transformation of electrical energy topology and its controls
Method processed, it is intended to solve the prior art due to magnetic coupling caused by using auxiliary control mode to carry out coupling mechanism alignment
Resist offset resistance poor problem in larger deviation range.
To achieve the above object, one aspect of the present invention provides a kind of wireless two-way transformation of electrical energy topology, including primary side hair
Send module, the former secondary receiving module in coupling module, pair；
Wherein, primary side sending module is centrosymmetric with the secondary coupling module when receiving module is about former pair, and primary side is sent
Module is coupled by former pair receiving module when coupling module is coupled to secondary, the output end of primary side sending module with former secondary coil
The input terminal of module is connected, and the output end of former secondary coil coupling module is connected with secondary side receiving module；
Primary side sending module is used for converting direct-current power into alternating-current power using dual input structure in parallel, and is coupled to former secondary side
Self-induction and leakage inductance in module compensate, the alternating current of stable output power；
Original pair receiving module when coupling module, which is used for, makes primary side sending module and pair based on electromagnetic induction principle passes through can
The coupling mechanism of control is coupled, and electric energy is wirelessly transmitted；
Secondary side receiving module is used to that the alternating current of power stability after compensation to be converted into direct current using double output structure in parallel
Electricity.
It is further preferred that primary side sending module includes primary side high frequency full bridge inverter, primary side compensation network, secondary side is connect
Receiving module includes the secondary compensation network in full-bridge rectification filter circuit, pair；Wherein, primary side high frequency full bridge inverter and primary side are mended
Series network is repaid, the secondary compensation network when full-bridge rectification filter circuit is with pair is connected；
Primary side high frequency full bridge inverter is used to use parallel-connection structure, by public direct-current bus by the direct current of dual input
It combines, and by converting direct-current power into alternating-current power；
The mixed compensation topology knot that primary side compensation network and secondary side compensation network are combined by LCC-S topology and S-LCC topology
Structure is constituted, and for reducing the consumption of system reactive power, the influence of induction reactance, is further compensated due to coupling machine in balancing circuitry
Structure misalignment bring influences, and avoids coefficient of coup decline too fast, generates the power output of approximately constant；
Secondary side full-bridge rectification filter circuit is used to convert alternating current to the direct current of dual output, lose-lose using parallel-connection structure
Direct current out combines output by public direct-current bus.
It is further preferred that respectively include first inverse for primary side high frequency full bridge inverter and secondary side full-bridge rectification filter circuit
Power transformation road, the second inverter circuit；Wherein, the first inverter circuit is in parallel with the second inverter circuit.
It is further preferred that former pair side coupling module is made of former secondary coil, primary coil includes the first monopole of primary side
Property coil, primary side the second unipolarity coil；Secondary coil includes secondary the second unipolarity coil in the first unipolarity coil, pair；
Wherein, primary side the first unipolarity coil is connected with primary side the second unipolarity coil, secondary in the first unipolarity coil and pair second
The series connection of unipolarity coil.
It is further preferred that primary coil includes unipolarity twin coil operating mode, bipolarity twin coil operating mode, pair
Sideline circle includes unipolarity unicoil operating mode, unipolarity twin coil operating mode, bipolarity twin coil operating mode.
It is further preferred that the shape of former secondary coil can be circle, rectangle etc..Magnetic flux is played by increase magnetic core to draw
It leads and is acted on magnetic field moulding, the Distribution of Magnetic Field range around magnetic coupling can be effectively reduced.
Another aspect of the present invention provides a kind of wireless two-way transformation of electrical energy topology control method, comprising the following steps:
S1, the DC voltage that primary side inputs is converted into high-frequency ac voltage；
S2, finite element model is established to the former secondary coil that there is offset, obtains former secondary under different former secondary side coupling mechanisms
Relationship between the offset distance and the coefficient of coup of sideline circle；
S3, acquisition high-frequency ac voltage, the relationship between offset distance and the coefficient of coup based on former secondary coil, according to
The drift condition of former secondary coil obtains best former secondary side coupling mechanism, is coupled to secondary side through electromagnetic induction, exports high-frequency ac
Voltage；
S4, the high-frequency ac voltage that secondary side obtains is converted into direct voltage output.
It is further preferred that former pair unipolarity twin coil coupling machine when coupling mechanism includes primary side bipolarity twin coil pair
Structure, primary side bipolarity twin coil pair the unipolarity unicoil coupling in bipolarity twin coil coupling mechanism, former bipolarity twin coil pair
It is double to close mechanism, primary side unipolarity twin coil the pair bipolarity in unipolarity twin coil coupling mechanism, primary side unipolarity twin coil pair
Coil coupling mechanism, primary side unipolarity twin coil pair side unipolarity unicoil coupling mechanism.
It is further preferred that Best Coupling mechanism is the offset distance of former secondary coil under different former secondary side coupling mechanisms
The maximum former secondary side coupling mechanism of the coefficient of coup.
It is further preferred that by controlling sense of current in former secondary coil and whether there is or not come the work that controls former secondary coil
Operation mode, so that wireless two-way transformation of electrical energy topology is switched to the secondary side coupling mechanism of different originals.
It is further preferred that when equal input current in primary side or secondary the first polarity coil of side and the second polarity coil, if
Current in phase, primary coil or secondary coil work in unipolar mode, if anti-phase, primary coil or secondary coil work
Make in bipolar mode.Further, by control the presence or absence of electric current, former secondary coil work can be made in unicoil or
Under twin coil mode, to select the coupling number of former secondary coil.Further, unicoil can only operate in unipolar mode
Under, twin coil can work under unipolarity or bipolarity.
Contemplated above technical scheme through the invention can achieve the following beneficial effects compared with prior art:
1, the present invention puts forward a kind of wireless two-way transformation of electrical energy topology, using the system tray of dual input in parallel and dual output
Structure, and the secondary side coupling module of original of the composition of the coil with multiple-working mode, enable to fail in magnetic coupling
U.S. alignment, there are in the case where offset distance, selecting optimal former secondary side coupling mechanism to be coupled, to effectively be filled
Electricity, structure are simply easily achieved, and do not increase additional control system, also without solving using complicated coupling mechanism form
The prior art due to need to carry out perfect alignment to magnetic coupling caused by could effectively charging magnetic coupling not
Resist offset resistance poor problem in the case where perfect alignment.
2, the invention proposes a kind of control methods of wireless two-way transformation of electrical energy topology, are passed through former secondary sideline by selection
Sense of current in two concatenated first unipolarity coils and the second unipolarity coil, can make former secondary coil work in circle
Under monopole and double pole mode, and through the number of selection secondary coil coupling, secondary coil work can be made in unicoil
Or under twin coil mode, it can neatly switch former secondary side coupling machine in different modes by controlling former secondary coil work
Structure, further, the offset distance of the former secondary coil of selection maximum former pair of the coefficient of coup under different former secondary side coupling mechanisms
Side coupling mechanism improves energy transmission effect when primary coil and secondary coil generation positional shift as Best Coupling mechanism
The stability of rate and system.
3, wireless two-way transformation of electrical energy topology proposed by the invention is combined as mixed compensation using LCC-S and S-LCC
Network increases output power and S-LCC topological structure with mutual inductance with the reduction of mutual inductance based on LCC-S topological structure
The characteristic for reducing and reducing output output power can offset master by selecting correct coupling mechanism self-induction and mutual inductance parameter
The influence that mutual inductance increaseds or decreases, output power can keep in a certain range relative constant.
Detailed description of the invention
Fig. 1 is wireless two-way transformation of electrical energy topology schematic diagram provided by the present invention；
Fig. 2 is structural schematic diagram of the primary coil work provided by the present invention under bipolarity twin coil mode；
Fig. 3 is the magnetic field schematic diagram that primary coil work provided by the present invention generates under bipolarity twin coil mode；
Fig. 4 is structural schematic diagram of the primary coil work provided by the present invention under unipolarity twin coil mode；
Fig. 5 is the magnetic field schematic diagram that primary coil work provided by the present invention generates under unipolarity twin coil mode；
Fig. 6 is structural schematic diagram of the secondary coil work provided by the present invention under unipolarity unicoil mode；
Fig. 7 is former secondary coil finite element structure schematic diagram provided by the present invention；
Fig. 8 be the former secondary coil provided by the present invention under different former secondary side coupling mechanisms offset distance with couple
Relation curve between coefficient.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
To achieve the goals above, the present invention provides a kind of wireless two-way transformation of electrical energy topologys, as shown in Figure 1, including
Primary side sending module 1, the former secondary receiving module 3 in coupling module 2, pair；Wherein, primary side sending module and secondary side receiving module close
Be centrosymmetric in former secondary side coupling module, primary side sending module by the former secondary receiving module when coupling module is coupled to secondary,
The output end of primary side sending module is connected with the input terminal of former secondary coil coupling module, the output of former secondary coil coupling module
End is connected with secondary side receiving module；
Primary side sending module 1 is used for converting direct-current power into alternating-current power using dual input structure in parallel, and to former secondary side coupling
Self-induction and leakage inductance in molding block compensate, the alternating current of stable output power；
Original pair receiving module when coupling module 2, which is used for, makes primary side sending module and pair based on electromagnetic induction principle passes through can
The coupling mechanism of control is coupled, and electric energy is wirelessly transmitted；
Secondary side receiving module 3 is used to that the alternating current of power stability after compensation to be converted into direct current using double output structure in parallel
Electricity.
Specifically, former pair side coupling module 2 is made of former secondary coil, primary coil includes primary side the first unipolarity coil
L1, primary side the second unipolarity coil L3；Secondary coil includes pair side the first unipolarity coil L2, pair side the second unipolarity coil L4；
Wherein, primary side the first unipolarity coil L1With primary side the second unipolarity coil L3Series connection, secondary side the first unipolarity coil L2With secondary side
Second unipolarity coil L4Series connection, wherein L1With L3Between mutual inductance be M13, L1With L4Between mutual inductance be M14, L2With L3Between
Mutual inductance be M23, L3With L4Between mutual inductance be M34, L2With L4Between mutual inductance be M24.Specifically, former secondary coil includes
Unipolarity unicoil operating mode, unipolarity twin coil operating mode, bipolarity twin coil operating mode.Specifically, former pair side
The shape of coil can be circle, rectangle etc..Play the role of magnetic flux guidance and magnetic field moulding by increasing magnetic core, can effectively subtract
Distribution of Magnetic Field range around small magnetic coupling.
Specifically, primary side sending module includes primary side high frequency full bridge inverter, primary side compensation network, secondary side receiving module
Including the secondary compensation network in full-bridge rectification filter circuit, pair；Wherein, primary side high frequency full bridge inverter and primary side compensation network
Series connection, the secondary compensation network when full-bridge rectification filter circuit is with pair are connected；
Primary side high frequency full bridge inverter is used to use parallel-connection structure, by public direct-current bus by the direct current of dual input
It combines, and by converting direct-current power into alternating-current power；
The mixed compensation topology knot that primary side compensation network and secondary side compensation network are combined by LCC-S topology and S-LCC topology
Structure is constituted, and for reducing the consumption of system reactive power, the influence of induction reactance, is further compensated due to coupling machine in balancing circuitry
Structure misalignment bring influences, and avoids coefficient of coup decline too fast, generates the power output of approximately constant；
Secondary side full-bridge rectification filter circuit is used to convert alternating current to the direct current of dual output, lose-lose using parallel-connection structure
Direct current out combines output by public direct-current bus.
Specifically, primary side high frequency full bridge inverter includes the first inverter circuit of primary side, the second inverter circuit of primary side；Its
In, the first inverter circuit of primary side is in parallel with the second inverter circuit of primary side, and the first inverter circuit of primary side is by switching tube Q1~Q4Composition,
The second inverter circuit of primary side is by switching tube Q5~Q8Composition；Primary side compensation network includes the first compensation network of primary side, the benefit of primary side second
Repay network；The first compensation network of primary side includes the first compensating electric capacity of primary side Cp1, constitute S compensation network, S compensation network by with string
The coil of connection carries out resonance and plays compensating action；The second compensation network of primary side includes that primary side second compensates inductance Lp1, primary side second
Series capacitance Cp2, the second shunt capacitance of primary side Cp3, collectively form LCC compensation network, LCC compensation network by with concatenated line
Circle carries out resonance and plays compensating action.Specifically, the first compensating electric capacity of primary side Cp1One end and the first inverter circuit of primary side one
The connection of bridge arm midpoint, the first compensating electric capacity of primary side Cp1The other end and primary side the first unipolarity coil L1It is connected and constitutes resonance electricity
Road；Primary side second compensates inductance Lp1One end connect with a bridge arm midpoint of the second inverter circuit of primary side, primary side second compensates electricity
Feel Lp1The other end and the second shunt capacitance of primary side Cp3And the second series capacitance of primary side Cp2One extremely be connected, primary side second go here and there
Join capacitor Cp2Another pole and primary side the second unipolarity coil L3One end be connected, the second shunt capacitance of primary side Cp3Another pole with
Primary side the second unipolarity coil L3Another bridge arm midpoint of the second inverter circuit of the other end and primary side be connected.
Specifically, secondary first inverter circuit when full-bridge rectification filter circuit includes secondary, the second inverter circuit of secondary side；Its
In, secondary the second inverter circuit when the first inverter circuit is with pair is in parallel, and secondary the first inverter circuit of side is by switching tube Qs1~Qs4Group
At secondary the second inverter circuit of side is by switching tube Qs5~Qs8Composition；Secondary first compensation network when compensation network includes secondary, secondary side
Second compensation network；The secondary first compensation inductance L when the first compensation network includes secondarys1, secondary the first series capacitance of side Cs1, secondary side
First shunt capacitance Cs2, LCC compensation network is collectively formed, LCC compensation network plays benefit by carrying out resonance with concatenated coil
The effect of repaying；The secondary second compensating electric capacity C when the second compensation network includes secondarys3, constitute S compensation network, S compensation network by with string
The coil of connection carries out resonance and plays compensating action.Specifically, secondary side first compensates inductance Ls1One end and secondary the first inversion of side electricity
The one bridge arm midpoint on road connects, and secondary side first compensates inductance Ls1The other end and pair side the first shunt capacitance Cs2And secondary side the
One series capacitance Cs1One extremely be connected, secondary the first series capacitance of side Cs1Another pole and pair side the first unipolarity coil L2One end
It is connected, secondary the first shunt capacitance of side Cs2Another pole and pair side the first unipolarity coil L2The other end and secondary the first inversion of side
Another bridge arm midpoint of circuit is connected；Secondary the second compensating electric capacity of side Cs3One end and secondary the second inverter circuit of side a bridge arm in
Point connection, secondary the second compensating electric capacity of side Cs3The other end and pair side the second unipolarity coil L4It is connected and constitutes resonance circuit.
Specifically, LCC-S topological structure includes primary side LCC compensation network, secondary side S compensation network is compensated by primary side second
Network includes that primary side second compensates inductance Lp1, the second series capacitance of primary side Cp2, the second shunt capacitance of primary side Cp3And secondary side second is mended
Repay capacitor Cs3It constitutes.S-LCC topological structure includes primary side S compensation network, and secondary side LCC compensation network compensates electricity by primary side first
Hold Cp1And secondary side first compensates inductance Ls1, secondary the first series capacitance of side Cs1, secondary the first shunt capacitance of side Cs2It constitutes.It is opened up in LCC-S
Flutterring output power in structure can increase with the reduction of mutual inductance.On the contrary, output power can be with mutual in S-LCC topological structure
The reduction of sense and reduce.When coil misalignment occurs, main coupling M12And M34It will reduce, this leads to M34/Lp1Reduction and Ls1/
M12Increase.If correctly selection coupling mechanism self-induction and mutual inductance parameter, by offsetting M12And M34The shadow increasedd or decreased
It rings, output power can keep in a certain range relative constant.Specifically, when positional shift occurs for former secondary coil, it is right
Mutual inductance value compensates, and avoids coefficient of coup decline excessive, ensure that the constant of output electric current, improves primary coil and secondary side
Energy transmission efficiency when positional shift occurs for coil, improves electromagnetism when transmitting coil and receiving coil generation positional shift
Environment.
Another aspect of the present invention provides a kind of control method of wireless two-way transformation of electrical energy topology, comprising the following steps:
S1, the DC voltage that primary side inputs is converted into high-frequency ac voltage；
S2, finite element model is established to the former secondary coil that there is offset, obtains former secondary under different former secondary side coupling mechanisms
Relationship between the offset distance and the coefficient of coup of sideline circle；
S3, acquisition high-frequency ac voltage, the relationship between offset distance and the coefficient of coup based on former secondary coil, according to
The drift condition of former secondary coil obtains best former secondary side coupling mechanism, is coupled to secondary side through electromagnetic induction, exports high-frequency ac
Voltage；
S4, the high-frequency ac voltage that secondary side obtains is converted into direct voltage output.
Specifically, former pair unipolarity twin coil coupling mechanism, original when coupling mechanism includes primary side bipolarity twin coil pair
Bipolarity twin coil coupling mechanism, former bipolarity twin coil pair side unipolarity unicoil coupling machine in bipolarity twin coil pair
Structure, primary side unipolarity twin coil pair the bipolarity twin coil in unipolarity twin coil coupling mechanism, primary side unipolarity twin coil pair
Coupling mechanism, primary side unipolarity twin coil pair side unipolarity unicoil coupling mechanism.Wherein, since wireless two-way transformation of electrical energy is opened up
Flutterring is a symmetrical two-way topology, and primary and secondary side is opposite, so primary side bipolarity twin coil pair side unipolarity is double
Coil coupling mechanism is identical as primary side unipolarity twin coil pair side bipolarity twin coil coupling mechanism coupling effect.Further,
Former secondary side coupling mechanism is selected by controlling former secondary coil work in different modes.
Specifically, by controlling sense of current in former secondary coil and whether there is or not come the Working mould that controls former secondary coil
Formula, so that wireless two-way transformation of electrical energy topology is switched to the secondary side coupling mechanism of different originals.Specifically, passing through control switch
Switching carry out in control coil sense of current and whether there is or not can be switched to the secondary side coupling mechanism of different originals.Specifically, when original
While or it is secondary while the first polarity coil and the second polarity coil in equal input current when, if current in phase, primary coil or secondary sideline
Enclose work in unipolar mode, if anti-phase, primary coil or secondary coil work are in bipolar mode.Further
, by the presence or absence of control electric current, it can make former secondary coil work under unicoil or twin coil mode, to select original
The coupling number of secondary coil.Further, unicoil can only operate under unipolar mode, and twin coil can work in monopole
Under property or bipolarity.
Specifically, being illustrated in figure 2 knot of the primary coil work provided by the present invention under bipolarity twin coil mode
Structure schematic diagram, wherein arrow indicates the inflow direction of electric current, respectively in the first polarity coil of primary side L1With the second polarity line of primary side
Enclose L3In be passed through contrary electric current, under bipolarity twin coil mode, the magnetic field of generation is illustrated for primary coil work at this time
Figure is as shown in Figure 3.Structure of the primary coil work provided by the present invention under unipolarity twin coil mode is illustrated in figure 4 to show
It is intended to, wherein arrow indicates the inflow direction of electric current, respectively in the first polarity coil of primary side L1With the second polarity coil of primary side L3In
It is passed through the identical electric current in direction, primary coil work at this time is under unipolarity twin coil mode, magnetic field schematic diagram such as Fig. 5 of generation
It is shown.It is illustrated in figure 6 structural schematic diagram of the secondary coil work provided by the present invention under unipolarity unicoil mode,
Middle arrow indicates the inflow direction of electric current, only in secondary the first polarity coil of side L2In be passed through electric current, at this time secondary coil work exists
Under unipolarity unicoil mode.
Specifically, carrying out finite element simulation to the former secondary coil that there is offset to obtain under different former secondary side coupling mechanisms
Relationship between the offset distance and the coefficient of coup of former secondary coil is illustrated in figure 7 former secondary coil provided by the present invention
Finite element structure schematic diagram, wherein secondary coil is in the upper surface of primary coil.In embodiments of the present invention, finite element model is set
In coil shape be rectangle, working frequency is arranged under the Solution model of vortex field in single coil long 566mm, wide 378mm
85KHz, the transmission range 200mm of former secondary coil, 15 circle of single coil the number of turns, material are copper, and simulated environment is air, with original
The central point of sideline circle is that the central point of coordinate system establishes xyz coordinate system, and for z-axis perpendicular to former secondary coil, secondary coil is opposite
It is deviated in the x direction in primary coil.Former secondary coil is set in the deviation range of x-axis direction between -1m to 1m,
In it is positive and negative represent secondary coil relative to primary coil to the left/right avertence move.An excitation addition face is cut out for each coil, and is led to
Enter electric current 20A.For twin coil mode, it is arranged in each coil and is passed through sense of current, controls the same phase of two coils and anti-
The different connection types of phase, so that twin coil is switched under unipolarity and bipolarity operating mode.Electric current is passed through by setting
The presence or absence of, the number of coil working is set, the offset distance and coupling of former secondary coil under the former secondary side coupling mechanism of obtained difference
Relation curve between collaboration number is as shown in figure 8, wherein abscissa indicates that offset distance, ordinate indicate the coefficient of coup, coupling
Coefficient is bigger, and the coupling of coil is better, and charge efficiency is also higher.
Specifically, Best Coupling mechanism be former secondary coil offset distance under different former secondary side coupling mechanisms coupled systemes
The maximum former secondary side coupling mechanism of number.It is most that current offset, which is chosen, apart from the corresponding maximum former secondary coupling mechanism of the coefficient of coup
Good former secondary side coupling mechanism.Specifically, the coupled systemes under the unipolarity twin coil coupling mechanism of primary side unipolarity twin coil pair side
Number is greater than in the offset distance of the coefficient of coup under other coupling mechanisms, is driven using parallel inverter bridge, and control primary side first is single
Polarity coil L1With primary side the second unipolarity coil L3In electric current I1And I3Same phase, secondary side the first unipolarity coil L2With secondary side
Two unipolarity coil L4In electric current I2And I4Same phase；Under the bipolarity twin coil coupling mechanism of primary side bipolarity twin coil pair side
The coefficient of coup be greater than in the offset distance of the coefficient of coup under other coupling mechanisms, driven using parallel inverter bridge, control is former
Side the first unipolarity coil L1With primary side the second unipolarity coil L3In electric current I1And I3Reverse phase, secondary side the first unipolarity coil L2
With secondary side the second unipolarity coil L4In electric current I2And I4Reverse phase；In primary side unipolarity twin coil pair side bipolarity twin coil coupling
The coefficient of coup closed under mechanism is greater than in the offset distance of the coefficient of coup under other coupling mechanisms, is driven using parallel inverter bridge
It is dynamic, control primary side the first unipolarity coil L1With primary side the second unipolarity coil L3In electric current I1And I3Same phase, secondary side first are single
Polarity coil L2With secondary side the second unipolarity coil L4In electric current I2And I4Reverse phase；In primary side unipolarity twin coil pair side monopole
Property unicoil coupling mechanism under, and secondary side uses coefficient of coup when the first unipolarity coil to be greater than under other coupling mechanisms
It in the offset distance of the coefficient of coup, is driven using parallel inverter bridge, controls primary side the first unipolarity coil L1It is single with primary side second
Polarity coil L3In electric current I1And I3Same phase, secondary side select the first unipolarity coil L2Work；In primary side unipolarity twin coil pair
Under the unipolarity unicoil coupling mechanism of side, and secondary side uses coefficient of coup when the second unipolarity coil to be greater than other coupling machines
It in the offset distance of the coefficient of coup under structure, is driven using parallel inverter bridge, controls primary side the first unipolarity coil L1With primary side
Second unipolarity coil L3In electric current I1And I3Same phase, secondary side select the second unipolarity coil L4Work；It is double in primary side bipolarity
Under the unipolarity unicoil coupling mechanism of coil pair side, and secondary side uses coefficient of coup when the first unipolarity coil to be greater than other
It in the offset distance of the coefficient of coup under coupling mechanism, is driven using parallel inverter bridge, controls primary side the first unipolarity coil L1
With primary side the second unipolarity coil L3In electric current I1And I3Reverse phase, secondary side select the first unipolarity coil L2Work；It is double in primary side
Under the unipolarity unicoil coupling mechanism of polarity twin coil pair side, and secondary side uses coefficient of coup when the second unipolarity coil big
It in the offset distance of the coefficient of coup under other coupling mechanisms, is driven using parallel inverter bridge, controls the first unipolarity of primary side
Coil L1With primary side the second unipolarity coil L3In electric current I1And I3Reverse phase, secondary side select the second unipolarity coil L4Work.
Specifically, as shown in Figure 8, for former secondary coil when the deviation range of x-axis direction is between -1m to 1m, when
When offset distance is in the length range of -0.2m to 0.2m, primary side the first unipolarity coil L is controlled1With the second unipolarity of primary side
Coil L3In electric current I1And I3Reverse phase, secondary side the first unipolarity coil L2With secondary side the second unipolarity coil L4In electric current I2With
I4Reverse phase selects primary side bipolarity twin coil pair side bipolarity twin coil coupling mechanism.When offset distance arrives -0.2m in -0.36m
Length range in when, control primary side the first unipolarity coil L1With primary side the second unipolarity coil L3In electric current I1And I3Together
Phase, secondary side the first unipolarity coil L2With secondary side the second unipolarity coil L4In electric current I2And I4Reverse phase selects primary side unipolarity
Twin coil pair side bipolarity twin coil coupling mechanism.When offset distance is in the length range of -1m to -0.36m, primary side is controlled
First unipolarity coil L1With primary side the second unipolarity coil L3In electric current I1And I3Reverse phase, secondary side the first unipolarity coil L2With
Secondary side the second unipolarity coil L4In electric current I2And I4Reverse phase selects primary side bipolarity twin coil pair side bipolarity twin coil coupling
Close mechanism.When offset distance is in the length range of 0.2m to 0.36m, primary side the first unipolarity coil L is controlled1With primary side
Two unipolarity coil L3In electric current I1And I3Same phase, secondary side the first unipolarity coil L2With secondary side the second unipolarity coil L4In
Electric current I2And I4Reverse phase selects primary side unipolarity twin coil pair side bipolarity twin coil coupling mechanism.When offset distance is in 0.36m
When in the length range of 1m, primary side the first unipolarity coil L is controlled1With primary side the second unipolarity coil L3In electric current I1With
I3Reverse phase, secondary side the first unipolarity coil L2With secondary side the second unipolarity coil L4In electric current I2And I4Reverse phase selects primary side double
Polarity twin coil pair side bipolarity twin coil coupling mechanism.The radio different for coupling mechanism size, transmission range is different
For energy Transmission system, the numerical value of offset distance is changed, can be corresponding former according to corresponding maximum coefficient of coup selection
Secondary side coupling mechanism.
The invention proposes a kind of wireless two-way transformation of electrical energy topologys, choose the system architecture of dual input output in parallel,
LCC-S and S-LCC is combined as mixed compensation network, by selecting correct coupling mechanism self-induction and mutual inductance parameter, offsets master
The influence that mutual inductance increaseds or decreases can select corresponding former secondary side coupling machine when non-perfect alignment according to offset distance
Structure avoids coefficient of coup decline from excessively causing system unstable.In addition, the invention also provides this wireless two-way transformation of electrical energies
The control method of topology is passed through sense of current in two series coils by selection, coil working can be made in unipolarity and
Under bipolarity operating mode.It when current in phase, works under unipolar coupling mechanism, when anti-phase, works double
Under polar coupling mechanism.And by the number of selection secondary coil coupling, secondary coil work can be made in unicoil or
Under person's twin coil operating mode, so as to the anti-offset behavior different with bipolarity coil according to unipolarity coil, selection is most
Good switching range avoids coefficient of coup decline excessive.According to different coil working modes, in conjunction with the intrinsic of compensation network topology
Characteristic can guarantee energy transmission efficiency when exporting the constant of electric current, raising transmitting coil and receiving coil generation positional shift
It is offset resistance with resisting, and structure is simply easily achieved, and does not increase additional control system, also without using complicated coupling mechanism
Form.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of wireless two-way transformation of electrical energy topology, which is characterized in that including primary side sending module, former secondary side coupling module, pair
Side receiving module；
The primary side sending module is centrosymmetric with the secondary coupling module when receiving module is about the former pair, the original
When sending module is by the former pair, coupling module is coupled to the secondary side receiving module, the output of the primary side sending module
It holds and is connected with the input terminal of the former secondary coil coupling module, the output end of the original secondary coil coupling module and the pair
Side receiving module is connected；
The primary side sending module is used for converting direct-current power into alternating-current power using dual input structure in parallel, and to the former secondary side
Self-induction and leakage inductance in coupling module compensate, the alternating current of stable output power；
The original is secondary to receive mould when coupling module, which is used for, makes the primary side sending module and the pair based on electromagnetic induction principle
Block is coupled by controllable coupling mechanism, wirelessly transmits electric energy；
The pair side receiving module is used to that the alternating current of power stability after compensation to be converted into direct current using double output structure in parallel
Electricity.
2. wireless two-way transformation of electrical energy according to claim 1 topology, which is characterized in that the primary side sending module includes
Primary side high frequency full bridge inverter, primary side compensation network；The secondary full-bridge rectification filter circuit, pair when receiving module includes secondary
Side compensation network；
The primary side high frequency full bridge inverter is connected with the primary side compensation network, it is described pair side full-bridge rectification filter circuit with
The pair side compensation network series connection；
The primary side high frequency full bridge inverter is used to use parallel-connection structure, by public direct-current bus by the direct current of dual input
It combines, and by converting direct-current power into alternating-current power；
The primary side compensation network and the secondary side compensation network are opened up by the mixed compensation that LCC-S topology and S-LCC topology combine
Structure composition is flutterred, for reducing the consumption of system reactive power, the influence of induction reactance, is further compensated due to coupling in balancing circuitry
Closing mechanism misalignment bring influences, and avoids coefficient of coup decline too fast, generates the power output of approximately constant；
The pair side full-bridge rectification filter circuit is used to convert alternating current to the direct current of dual output, lose-lose using parallel-connection structure
Direct current out combines output by public direct-current bus.
3. wireless two-way transformation of electrical energy topology according to claim 2, which is characterized in that the primary side high frequency full-bridge inverting
Circuit and the secondary side full-bridge rectification filter circuit respectively include the first inverter circuit, the second inverter circuit；Wherein, the first inversion
Circuit is in parallel with the second inverter circuit.
4. wireless two-way transformation of electrical energy according to claim 1 topology, which is characterized in that the former secondary side coupling module by
Former secondary coil is constituted, and primary coil includes the first unipolarity of primary side coil, primary side the second unipolarity coil；Secondary coil includes
Secondary the second unipolarity coil in the first unipolarity coil, pair；Primary side the first unipolarity coil and the second unipolarity of primary side coil
Series connection, secondary the second unipolarity coil when the first unipolarity coil is with pair are connected.
5. wireless two-way transformation of electrical energy topology according to claim 4, which is characterized in that the primary coil includes monopole
Property twin coil operating mode, bipolarity twin coil operating mode；The secondary coil includes unipolarity unicoil operating mode, list
Polarity twin coil operating mode, bipolarity twin coil operating mode.
6. a kind of wireless two-way transformation of electrical energy topology control method, which comprises the following steps:
S1, the DC voltage that primary side inputs is converted into high-frequency ac voltage；
S2, finite element model is established to the former secondary coil that there is offset, obtains former secondary sideline under different former secondary side coupling mechanisms
Relationship between the offset distance and the coefficient of coup of circle；
S3, high-frequency ac voltage, the relationship between offset distance and the coefficient of coup based on former secondary coil, according to former secondary are obtained
The drift condition of sideline circle obtains best former secondary side coupling mechanism, is coupled to secondary side through electromagnetic induction, exports high-frequency alternating current
Pressure；
S4, the high-frequency ac voltage that secondary side obtains is converted into direct voltage output.
7. wireless two-way transformation of electrical energy topology according to claim 6, which is characterized in that the former secondary side coupling mechanism packet
Include primary side bipolarity twin coil pair bipolarity twin coil coupling in unipolarity twin coil coupling mechanism, primary side bipolarity twin coil pair
Close mechanism, former bipolarity twin coil pair unipolarity two-wire in unipolarity unicoil coupling mechanism, primary side unipolarity twin coil pair
Enclose coupling mechanism, primary side unipolarity twin coil pair monopole in bipolarity twin coil coupling mechanism, primary side unipolarity twin coil pair
Property unicoil coupling mechanism.
8. wireless two-way transformation of electrical energy topology according to claim 6, which is characterized in that the Best Coupling mechanism is original
The offset distance of secondary coil coupling mechanism when different original pair coefficients of coup under coupling mechanism are maximum former secondary.
9. wireless two-way transformation of electrical energy topology according to claim 6, which is characterized in that by controlling in former secondary coil
Sense of current and whether there is or not come the operating mode that controls former secondary coil, so that the wireless two-way transformation of electrical energy topology is cut
Change to the secondary side coupling mechanism of different originals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647787.3A CN110422061B (en) | 2019-07-18 | 2019-07-18 | Wireless bidirectional electric energy conversion topology and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647787.3A CN110422061B (en) | 2019-07-18 | 2019-07-18 | Wireless bidirectional electric energy conversion topology and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110422061A true CN110422061A (en) | 2019-11-08 |
| CN110422061B CN110422061B (en) | 2020-11-17 |
Family
ID=68410878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910647787.3A Active CN110422061B (en) | 2019-07-18 | 2019-07-18 | Wireless bidirectional electric energy conversion topology and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110422061B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591153A (en) * | 2020-04-30 | 2020-08-28 | 南京理工大学 | Self-adaptive configuration wireless charging system for parking lot and planning method |
| CN112564309A (en) * | 2020-11-30 | 2021-03-26 | 西安交通大学 | Compact wireless charging system based on multi-coil decoupling integration |
| CN112757924A (en) * | 2020-12-23 | 2021-05-07 | 中兴新能源科技有限公司 | Wireless charging system of electric vehicle, primary and secondary offset detection method and device |
| CN112865325A (en) * | 2021-01-29 | 2021-05-28 | 重庆大学 | Tripolar planar transmitting mechanism, transmission system thereof and current vector modulation method |
| CN112865328A (en) * | 2020-12-28 | 2021-05-28 | 北京交通大学 | Wireless power transmission system and efficiency optimization method thereof |
| CN113300489A (en) * | 2021-06-02 | 2021-08-24 | 哈尔滨工业大学 | Rotary wireless electric energy transmission device and system based on three-phase semi-cylinder curved surface coil |
| CN113474135A (en) * | 2019-02-27 | 2021-10-01 | 松下知识产权经营株式会社 | Wireless power supply unit and power receiving module |
| CN113991886A (en) * | 2021-09-16 | 2022-01-28 | 许继电源有限公司 | Bilateral LCC topological network parameter design method for wireless charging coupling coil of electric vehicle |
| CN114421644A (en) * | 2022-01-20 | 2022-04-29 | 西南交通大学 | Anti-deviation wireless power transmission system based on composite coupling and parameter design method |
| JP2022158970A (en) * | 2021-03-31 | 2022-10-17 | オムロン株式会社 | Wireless charging system, transmission side charging device and reception side charging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746462A (en) * | 2013-07-11 | 2014-04-23 | 重庆米亚车辆技术有限公司 | Bilateral LCC compensation network used for wireless electricity transmission and tuning method for same |
| CN108695957A (en) * | 2018-05-30 | 2018-10-23 | 西南交通大学 | A kind of parameter optimization method of anti-offset constant current output wireless electric energy transmission device |
| CN109245333A (en) * | 2018-11-23 | 2019-01-18 | 西南交通大学 | A kind of constant current output radio energy transmission system that anti-excursion capability can be improved |
| KR101961218B1 (en) * | 2014-03-07 | 2019-03-22 | 고쿠리츠다이가쿠호우진 도쿄다이가쿠 | In-wheel motor system |
| CN109617250A (en) * | 2018-12-25 | 2019-04-12 | 东南大学 | A kind of anti-offset radio energy transmission system based on combined topology |
-
2019
- 2019-07-18 CN CN201910647787.3A patent/CN110422061B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746462A (en) * | 2013-07-11 | 2014-04-23 | 重庆米亚车辆技术有限公司 | Bilateral LCC compensation network used for wireless electricity transmission and tuning method for same |
| KR101961218B1 (en) * | 2014-03-07 | 2019-03-22 | 고쿠리츠다이가쿠호우진 도쿄다이가쿠 | In-wheel motor system |
| CN108695957A (en) * | 2018-05-30 | 2018-10-23 | 西南交通大学 | A kind of parameter optimization method of anti-offset constant current output wireless electric energy transmission device |
| CN109245333A (en) * | 2018-11-23 | 2019-01-18 | 西南交通大学 | A kind of constant current output radio energy transmission system that anti-excursion capability can be improved |
| CN109617250A (en) * | 2018-12-25 | 2019-04-12 | 东南大学 | A kind of anti-offset radio energy transmission system based on combined topology |
Non-Patent Citations (1)
| Title |
|---|
| 高金玲，蒋赢，黄蓉蓉，杨文涛: "无线电能传输系统磁耦合线圈的研究", 《上海电机学院学报》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113474135A (en) * | 2019-02-27 | 2021-10-01 | 松下知识产权经营株式会社 | Wireless power supply unit and power receiving module |
| CN111591153A (en) * | 2020-04-30 | 2020-08-28 | 南京理工大学 | Self-adaptive configuration wireless charging system for parking lot and planning method |
| CN112564309A (en) * | 2020-11-30 | 2021-03-26 | 西安交通大学 | Compact wireless charging system based on multi-coil decoupling integration |
| CN112564309B (en) * | 2020-11-30 | 2023-05-16 | 西安交通大学 | Compact wireless charging system based on multi-coil decoupling integration |
| CN112757924A (en) * | 2020-12-23 | 2021-05-07 | 中兴新能源科技有限公司 | Wireless charging system of electric vehicle, primary and secondary offset detection method and device |
| CN112865328A (en) * | 2020-12-28 | 2021-05-28 | 北京交通大学 | Wireless power transmission system and efficiency optimization method thereof |
| CN112865325A (en) * | 2021-01-29 | 2021-05-28 | 重庆大学 | Tripolar planar transmitting mechanism, transmission system thereof and current vector modulation method |
| JP2022158970A (en) * | 2021-03-31 | 2022-10-17 | オムロン株式会社 | Wireless charging system, transmission side charging device and reception side charging device |
| CN113300489A (en) * | 2021-06-02 | 2021-08-24 | 哈尔滨工业大学 | Rotary wireless electric energy transmission device and system based on three-phase semi-cylinder curved surface coil |
| CN113991886A (en) * | 2021-09-16 | 2022-01-28 | 许继电源有限公司 | Bilateral LCC topological network parameter design method for wireless charging coupling coil of electric vehicle |
| CN114421644A (en) * | 2022-01-20 | 2022-04-29 | 西南交通大学 | Anti-deviation wireless power transmission system based on composite coupling and parameter design method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110422061B (en) | 2020-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110422061A (en) | A kind of wireless two-way transformation of electrical energy topology and its control method | |
| KR101851995B1 (en) | Resonant converter for wireless charger and method for implementing thereof | |
| Hsieh et al. | High-efficiency wireless power transfer system for electric vehicle applications | |
| Cai et al. | Design and optimization of load-independent magnetic resonant wireless charging system for electric vehicles | |
| CN106451800B (en) | Can output constant current can also export the induction type radio energy transmission system of constant pressure | |
| KR101773403B1 (en) | Double sided resonant converter for wireless charger and method for implementing thereof | |
| CN110429720A (en) | A kind of induction type radio energy transmission system for realizing constant current constant voltage output switching | |
| CN109245536A (en) | A kind of circuit topological structure suitable for the transmission of two-way near field electric energy | |
| CN106740220A (en) | A kind of wireless charging circuit of constant current constant voltage Compound Topology | |
| Yang et al. | Design of LCC-S compensation topology and optimization of misalignment tolerance for inductive power transfer | |
| CN103081319A (en) | Common mode noise reduction appartus and method | |
| CN109617250A (en) | A kind of anti-offset radio energy transmission system based on combined topology | |
| JP2023500132A (en) | WIRELESS CHARGING RECEIVER, WIRELESS CHARGING SYSTEM AND WIRELESS CHARGING CONTROL METHOD | |
| CN208955902U (en) | A kind of circuit topological structure suitable for the transmission of two-way near field electric energy | |
| CN109831013A (en) | A kind of constant current-constant pressure pair side automatic switch-over circuit and resonance type wireless electric energy transmission system | |
| CN206406776U (en) | A kind of wireless charging circuit of constant current constant voltage Compound Topology | |
| CN109888933A (en) | A kind of radio energy transmission system of primary side multimode high frequency parallel connection | |
| Zhang et al. | Interoperability Study of Electric Vehicle Wireless Charging System Based on Three Decoupled Non-overlapping Unipolar Transmitting Coils | |
| CN110138097A (en) | It is a kind of that constant current constant voltage magnetic inductive charging system is realized using special topological structure | |
| Hao et al. | Research on wireless power transfer system of automated guided vehicle based on magnetic coupling resonance | |
| CN111654118B (en) | Dynamic wireless power supply system power fluctuation suppression method based on voltage doubler rectifier | |
| CN109067184B (en) | Induction electric energy transmission system for constant-current constant-voltage seamless switching | |
| CN114784993A (en) | Multi-input single-output wireless power transmission system | |
| Feng et al. | Analysis and design of efficient IPT wireless charging systems for electric vehicle | |
| CN209627065U (en) | A kind of wireless energy transform device based on H bridge inverter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221031 Address after: 430000 Floor 2, Building 1, Nanhua Industrial Park, Science Park, Wuhan University of Technology, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Matrix Energy Technology Co.,Ltd. Address before: 430074 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 1037 Patentee before: HUAZHONG University OF SCIENCE AND TECHNOLOGY |
|
| TR01 | Transfer of patent right |