CN204442023U - Circuit arrangement, energy electrically driven vehicles and the charging station for this vehicle - Google Patents
Circuit arrangement, energy electrically driven vehicles and the charging station for this vehicle Download PDFInfo
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- CN204442023U CN204442023U CN201420556986.6U CN201420556986U CN204442023U CN 204442023 U CN204442023 U CN 204442023U CN 201420556986 U CN201420556986 U CN 201420556986U CN 204442023 U CN204442023 U CN 204442023U
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- 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
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- 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
- B60L53/122—Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
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- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a kind of for carrying out the circuit arrangement (10 of the wireless coupling in energy technologies by magnetic alternating field (28), 30), have: with at least one electronic coil (20,38) coil circuit (18,36), wireless with the coupling of the mode of energy for what provide with outer coil circuit (18,36); There is the electronic energy-storage device (22 that at least one is passive, 26) compensating circuit (12,34) and the current transformer (14 of power supply and/or electric energy meeting point (16) can be connected to, 32), for the electric energy to coil circuit supply power or the electric energy to electric energy meeting point (16) conveying coil circuit, wherein coil circuit is connected on current transformer by compensating circuit, it is characterized in that, coil circuit and/or compensating circuit are designed to adjust according to the degree of coupling of the wireless coupling in energy technologies.The utility model also relates to a kind of energy electrically driven vehicles and a kind of charging station for energy electrically driven vehicles.
Description
Technical field
The utility model relates to a kind of circuit arrangement for carrying out the wireless coupling in energy technologies by magnetic alternating field, and it has the coil circuit with at least one electronic coil, for providing and the wireless coupling in the energy technologies of outer coil circuit; With the compensating circuit of at least one passive electronic accumulator; With the current transformer that can be connected on power supply and/or electric energy meeting point, for for coil circuit supply power electric energy or for the electric energy to electric energy meeting point output winding circuit, wherein coil circuit is connected on current transformer by compensating circuit.In addition, the utility model relates to a kind of energy electrically driven vehicles, it has the drive unit comprising motor, for when vehicle travels be motor supply of electrical energy electric storage means and for the charging device to electric storage means transmission of electric energy, charging device has the circuit arrangement for carrying out the wireless coupling in energy technologies by magnetic alternating field for this reason, it has the coil circuit with at least one electronic coil, for providing and the wireless coupling in the energy technologies of outer coil circuit; Have the compensating circuit with at least one passive electronic accumulator and the current transformer being connected to electronic energy-storage device, it is for the electric energy to electronic energy-storage device output winding circuit, and wherein coil circuit is connected on current transformer by compensating circuit.Last the utility model also relates to a kind of charging station for energy electrically driven vehicles, it has the interface of power supply and the circuit arrangement for the wireless coupling of carrying out energy technologies by magnetic alternating field, wherein circuit arrangement has the coil circuit with at least one electronic coil, for providing and the wireless coupling in the energy technologies of outer coil circuit; Have the compensating circuit with at least one passive electronic accumulator and the current transformer that can be connected to power supply, it is for the electric energy for coil circuit supply power, and wherein coil circuit is connected to current transformer place by compensating circuit.
Background technology
Charging device for wireless coupling energy source in energy technologies is known in principle, therefore proves without the need to special document here.Can have charging device by electrically driven vehicles, thus can be energy electrically driven vehicles conveying capacity, energy be preferably stored in the interior conventional operation for performing vehicle of accumulator of vehicle.Usually provide energy by charging station, charging station is connected on power supply, such as public energy supply system, generator, storage battery and/or analog in himself side.
A kind of possibility of the charging device conveying capacity from charging station to vehicle is, realizes electrical equipment be connected using as Energy Coupling by the cable between vehicle with charging station.In addition known, set up the wireless coupling in energy technologies according to other possibilities, the mechanical type that this possibility avoids by the high cost of cable connects.For this purpose, usually arrange a coil circuit respectively in charging station side and vehicle side, it is arranged relative to one another and is realized the coupling in energy technologies by magnetic alternating field.This layout is such as known by document KR 10 2,012 0 016 521 A.
By magnetic alternating field transmitting energy, in system also referred to as induction type Energy Transfer, obviously changed the inductance of the coil circuit that part participates in by the change of distance and/or skew.In known systems, which results in the obvious change of the frequency of operating frequency, i.e. magnetic alternating field.If the parameter change of coil circuit must exceed fiducial value, so cause the reduction of efficiency, therefore can not transmit predetermined rated power again.
The possibility that can regulate operating frequency, it is to use based on condenser type diode, can realize frequency tuning.In the system for the induction type Energy Transfer application of this frequency tuning, such as can the accumulator charging of electrically driven vehicles in order to give, and shows as high cost.And only can realize very little tuning region.In addition, due to voltage and the power waiting for transmission of appearance lower in conventional operation, the series and parallel connections of the condenser type diode of high cost is needed.In order to the change of the operating frequency occurred in routine fortune property can be offset, corresponding higher circuit is needed to expend.
Utility model content
The purpose of this utility model draws from above-mentioned, provide as Types Below circuit arrangement and a kind of can electrically driven vehicles and a kind of charging station, the change of operating frequency can be offset in a straightforward manner by these.
As solution, the utility model proposes the coil circuit of the wireless coupling in a kind of energy technologies.A kind of energy electrically driven vehicles is proposed in vehicle.Finally a kind of charging station for energy electrically driven vehicles is proposed in charging station.
Circuit arrangement for carrying out the wireless coupling in energy technologies by magnetic alternating field of the present utility model, has the coil circuit with at least one electronic coil, for providing and the wireless coupling in the energy technologies of outer coil circuit; With the compensating circuit of at least one passive electronic accumulator; With the current transformer that can be connected on power supply and/or electric energy meeting point, for for coil circuit supply power electric energy or for the electric energy to electric energy meeting point output winding circuit, wherein coil circuit is connected on current transformer by compensating circuit.Wherein, coil circuit and/or described compensating circuit are designed to adjust according to the degree of coupling of the wireless described coupling in energy technologies.
In meaning of the present utility model, the coupling in energy technologies is the coupling for Energy Transfer, its achieve at least uniaxially from energy source to energy meeting point transmitting energy.Energy source can be such as public Power supply net, generator, solar cell, fuel cell, storage battery, above combination and/or analog.Energy meeting point can be such as can the electric storage means of the motor of driver, particularly drive unit of electrically driven vehicles and/or drive unit, such as storage battery or analog.But also can arrange two-way Energy Transfer, namely Energy Transfer replaces in the two directions.In addition, charging station also can energy on electrically driven vehicles for absorbing from energy source that it should be transferred to, and charging station thing is electrically connected on described energy source.
In meaning of the present utility model, the wireless coupling of energy technologies means, be connected to set up electric coupling between charging station with energy electrically driven vehicles without the need to arranging mechanical type.Particularly, can avoid setting up electrical connection by cable.Be alternative in this, the coupling in energy technologies mainly separately through energy field, be preferably magnetic alternating field to realize.
Therefore, charging station arranges and is used for, and manufactures corresponding energy field, particularly magnetic alternating field.Correspondingly be arranged in vehicle side, this energy field or magnetic alternating field can be caught and therefrom obtain for can the energy of conventional operation of electrically driven vehicles.Be electric energy by the charging device of vehicle by the power conversion of carrying by energy field, particularly magnetic alternation place, then electric energy be preferably stored in vehicle accumulator in for the conventional operation of vehicle.In addition, energy directly can also flow to the motor of the drive unit of vehicle.Therefore, the coupling in energy technologies is mainly used in Energy Transfer instead of information transmission.Therefore, for performing apparatus design of the present utility model, there is the high power flow being different from radio communication and connecting.
Wireless coupling in energy technologies, be particularly coil circuit by the main element of the coupling of magnetic alternating field, it comprises at least one coil, also may be multiple coil, crossing this coil by energy field, particularly magnetic alternating field as magnetic flux percolation during energy field and providing electric energy at its corresponding terminal in vehicle side.Correspondingly, apply alternating current at charging station side direction coil circuit electricity, thus coil circuit provides magnetic alternating field by its coil or its multiple coil, can transmitting energy by this magnetic alternating field.The coil circuit of charging station is coupled by the coil circuit of magnetic alternating field with energy electrically driven vehicles.
Usually, coil has the winding with multi-thread circle electric lead, and wherein winding generally includes or surround the ferromagnet be generally made up of ferrite.Can with the mode direct magnetic flux expected by ferromagnet, thus due to charging station coil circuit and the magnetic alternating field between the coil circuit of electrically driven vehicles can strengthen the effect be coupled in energy technologies.
The electric lead of the formation wire turn of coil is typically designed to so-called high frequency Litz wire, is namely collected by multiple single cord of being electrically insulated from each other or electric wire and is formed, correspondingly, which form wire.Thus achieve, decrease or substantially avoid skin effect during frequency application in such as the utility model.In order to uniform as far as possible CURRENT DISTRIBUTION in the single strand wire of high frequency Litz wire can be improved, the stranded of single cord is also set usually.Strandedly can also to comprise, constitute wire harness by self stranded single cord of quantification, and wherein these wire harness defining conductor to be equally also stranded.
The object of an importance of the present utility model is, in this type of circuit arrangement, coil circuit and/or compensating circuit are designed to adjust according to the degree of coupling of the wireless coupling in energy technologies.This situation such as can realize by control unit, and it preferably can be comprised by this circuit arrangement.For this purpose, at least one electronic coil of coil circuit or at least one passive electronic accumulator designs of compensating circuit are adjustable.Such as, electronic coil is formed by the series circuit of multiple electronic coil, can activate these electronic coils as required.Equally, the passive electronic accumulator for compensating circuit can be arranged to, namely its be variably adjust, be such as can mechanical type adjustment passive electronic accumulator.The feature of passive electronic accumulator is, namely it does not substantially produce and/or consumes electric energy.Preferably, it is that electronic component is as inductance, such as coil, capacitor or similar.Passive electronic accumulator be used for expect can predetermined mode affect coil arrange attribute, coupling good as far as possible and/or the efficiency high as far as possible when Energy Coupling can be realized.Therefore, passive electronic accumulator is not battery unit, i.e. non-battery or storage battery especially.In this, passive electronic accumulator is different from electric storage means in this, and this electric storage means can be made up of storage battery, battery or analog and mainly be used as a part for electric energy supply, such as energy source and/or energy meeting point.
Utilize this measure to achieve, can realize according to operating frequency tuned frequency subtly.In application of the present utility model in energy electrically driven vehicles or charging station, to the primary side of the system for induction type Energy Transfer and the oscillation circuit of primary side, meticulous frequency tuning can be realized.The utility model allows, spacing or air gap or the change of the two very large time and/or in corresponding misalignment tolerances, cause corresponding adjustment.The change of operating frequency can be made thus to minimize, thus the shortcoming described in beginning can be reduced.
The utility model demonstrates, as charging station add power station place use storage battery as can the accumulator of electrically driven vehicles to charge be particularly advantageous.Even if the utility model also can have reliable operation when to make vehicle incorrect relative to the position adding power station, efficient and high-power charge operation particularly can be realized.Controllability makes, and is not only adding in power station but also in vehicle, can both also utilize compensating circuit to realize the coupling of total system by coil circuit, and controllability makes even can reliably and charge efficiently under disadvantageous boundary condition.Can be arranged at this, be only coil circuit or compensating circuit arranges adjustable possibility.But preferably, two circuit are all designed to adjustable.In addition, can moreover be only charging station or controllability can be set electrically driven vehicles.Herein preferably, also both also controllability can be set at electrically driven vehicles place at charging station place.If be set to the latter, then controllability need not be configured to identical.Such as can be only coil circuit arrange controllability at charging station place and compensating circuit can be only arrange controllability in electrically driven vehicles place, and can oppositely arrange.
The degree of coupling can such as measure by suitable circuit, particularly control unit.For this purpose, control unit such as can measure in charging station, and charging station side exports how much effective power compared with possible maximum effective power.Correspondingly, certainly can be arranged in vehicle, measure the ratio of effective power part relative to possible maximum effective power part, so that can determination efficiency.In addition, in both of these case, as long as reactive power is important for the mensuration of efficiency, reactive power can certainly be considered.In addition can be arranged to, when vehicle is coupled in energy technologies with charging station, by particularly relevant to through-put power and efficiency information transmission on other corresponding positions.Gross efficiency and the possible measure for regulating winding circuit and/or compensating circuit can be obtained by this way.Can certainly regulate compensating circuit and coil circuit based on measured value.
Coil circuit comprises at least one electronic coil.In addition it can also comprise multiple being one another in series and/or the electronic coil of parallel connection.Therefore can be arranged to, coil circuit has the layout of multiple spatially adjacent coil, and these coils can activate alternatively respectively according to the degree of coupling.Thus achieve, the change in the skew of the vehicle relative with charging station can be compensated.Certainly correspondingly, also can do this to charging station to arrange.
Compensating circuit at least can have a passive electronic accumulator, and it is such as connected with series circuit, parallel circuits or the form with its combination.Passive electronic accumulator preferably capacitor, such as film capacitor, is designed for again or preferably the ceramic capacitor that alternating voltage runs.Compensating circuit can also comprise two or more passive electronic accumulator, and it can be connected with series circuit, parallel circuits or the form with its combination as in coil circuit.In addition, when there is more than one passive electronic accumulator, certainly also there is possibility, namely forming electric network, such as with the form of π-filter or T-filter.Other circuit topological structure can also be set.Thus achieve, operating frequency range constant as far as possible or efficiency range high as far as possible can be expanded.
An Optimization Plan of the present utility model is, passive electronic accumulator designs be multi-piece type and at least one in the assembly of this passive accumulator of multi-piece type so formed can activate by attached switch element.Certainly corresponding, the assembly of the passive accumulator of multi-piece type can by corresponding switch element deexcitation.
In the meaning of disclosure file, the electronic switching element that switch element is preferably controlled, such as relay, contactor or similar switch element, or be controlled electronic semi-conductor's switch as an alternative, such as transistor, thyristor, the combinational circuit of the two, the particularly inverse parallel circuit of two thyristors, the anti-series circuit of two transistors, preferably there is idle running diode in parallel, three terminal bidirectional alternating-current switch (TRIAC), gate level turn-off thyristor (GTO), insulated gate bipolar transistor (IGBT), above combination or analog.Preferably, switch element can be controlled by control unit.Control unit is condition determination preferably, and it determines activation or the deexcitation of the corresponding assembly of multi-piece type passive electronic accumulator.For this purpose, control unit can by transducer gather such as current transformer, compensating circuit, coil circuit or the important parameter of analog.Parameter can be such as the phase difference of electric current, voltage, electrical power, voltage and attached electric current, local magnetic field strength, above combination and/or similar parameters.
Prove particularly advantageously, compensating circuit has the electric network with multiple passive electronic accumulator.Coupling or the adjusting range of the technical coupling of energy can be expanded thus.Preferably, some, particularly all passive electronic accumulators can activate and/or deexcitation by least one switch element.
An Optimization Plan is, passive electronic accumulator is consisted of capacitor or capacitor arrangement.
Propose according to other aspects of the present utility model, electronic coil has the winding be made up of multiple wire turn, wherein at least one wire turn, is connected to its corresponding switch element.Preferably, switch element is connected on wire turn as follows, namely by switch element deexcitation wire turn, thus preferably can not have current flowing in corresponding wire turn or in the wire turn of corresponding deexcitation thus.Switch element can be set as discussed above.Preferably this switch element be also controlled, particularly by control unit.Can certainly activate or the multiple wire turn adjacent one another are of deexcitation, particularly short circuit by switch element.
Short circuit tool has the following advantages, and this coiler part also has the impact of the induction attribute on magnetic alternating field and coil.Namely by short circuit-passing through power-off-electric current in addition can also through corresponding windings section.Certainly, multiple switch element can also wire turn that preferably short circuit is different.Adjustment thus about the coupling in energy technologies can realize larger adjustable range.
According to an improvement project, switch element is formed by thyristor or by the switch element with multiple thyristor.Preferably, the setting of switch element is used for, and can guide electric current on each sense of current.As discussed above, thyristor can be transistor, thyristor or like this.Switch element is preferably made up of at least two thyristors, and these thyristors connect by rights to realize predetermined function.Such as can arrange thyristor parallel circuits, it is in parallel on the contrary with its conducting direction, and namely inverse parallel connects.As an alternative, except this parallel circuits also can apply three terminal bidirectional alternating-current switch, be different from single thyristor, described three terminal bidirectional alternating-current switch to allow on two senses of current controllably switch.When switch element has transistor, when such as there is with two transistors series circuit, wherein when bipolar transistor, the transmitting terminal of switch element, when mos field effect transistor (MOSFETs), the source terminal of corresponding switch element, can connect by electronics each other.The terminal being designed to the switch element of switch element is thus made up of collector electrode or drain terminal respectively.In addition, idle running diode can be set in the switch element with transistor.Utilize switch element or thyristor can realize controlling effectively and rapidly or performing switching process of alterable height.Compared with motor switch element, because less wearing and tearing can realize less wasted power, higher switching speed and higher reliability can be realized.
Of the present utility model can have by electrically driven vehicles: the drive unit comprising motor; Electric storage means, for being motor supply of electrical energy when vehicle travels; And charging device, for to described electric storage means transmission of electric energy, charging device has for the circuit arrangement of carrying out the wireless coupling in energy technologies by magnetic alternating field for this reason, circuit arrangement has: with the coil circuit of at least one electronic coil, for providing and the wireless coupling in the energy technologies of outer coil circuit; With the compensating circuit of at least one passive electronic accumulator; And the current transformer be connected on described electric storage means, for exporting the electric energy of described coil circuit to described electric storage means, wherein said coil circuit is connected on described current transformer by described compensating circuit, and wherein, described circuit arrangement designs according to mentioned above.
Charging station for energy electrically driven vehicles of the present utility model, have for the interface of power supply and the circuit arrangement for carrying out the wireless coupling in energy technologies by magnetic alternating field, wherein said circuit arrangement has: with the coil circuit of at least one electronic coil, for providing and the wireless coupling in the energy technologies of outer coil circuit; With at least one passive electronic accumulator (compensating circuit; And the current transformer that can be connected on power supply, for supplying the electric energy of described power supply for described coil circuit, wherein said coil circuit is connected on described current transformer (32) by described compensating circuit, it is characterized in that, described circuit arrangement designs according to mentioned above.
Correspondingly, the utility model proposes, energy electrically driven vehicles and charging station all configure according to circuit arrangement of the present utility model.Thus, in energy electrically driven vehicles or charging station, also the advantage relevant to circuit arrangement and attribute can be realized.Particularly can realize, can be reliably and efficiently can electrically driven vehicles charging in charging station.
Accompanying drawing explanation
Other advantages and feature are known in the explanation of embodiment with reference to the accompanying drawings by following.Assembly identical is in the accompanying drawings marked by identical label with function.
It illustrates:
Fig. 1 is a kind of for from adding power station to can the schematic block diagram of system of induction type Energy Transfer on electrically driven vehicles,
Fig. 2 is the schematic circuit of the compensating circuit being applicable to series compensation,
Fig. 3 is the schematic circuit of the compensating circuit being applicable to shunt compensation,
Fig. 4 is the schematic circuit of the compensating circuit being provided with the series and parallel connections compensation particularly can implemented in charging station,
Fig. 5 is the compensating circuit for having the combination be made up of series compensation and shunt compensation, particularly how to arrange the schematic circuit of this compensating circuit in vehicle side,
Fig. 6 illustrates the coil system of the system according to Fig. 1 with circuit diagram,
Fig. 7 is the schematic circuit according to compensating circuit of the present utility model of the compensating circuit based on Fig. 2,
Fig. 8 is the schematic circuit of the compensating circuit based on the compensating circuit according to Fig. 3,
Fig. 9 is the schematic circuit of coil circuit, and arrange according to the utility model and based on the coil of Fig. 6, this coil circuit can be arranged on charging station side and vehicle side,
Figure 10 has the schematic circuit of MOSFETs as the switch element of the thyristor in the circuit arrangement of series connection according to the utility model,
Figure 11 is the switch element as Figure 10, but has IGBTs as thyristor,
Figure 12 is the schematic circuit of switch element of the thyristor connected based on inverse parallel.
Embodiment
Fig. 1 shows the system for induction type Energy Transfer with schematic block diagram, and it has energy electrically driven vehicles, and this energy electrically driven vehicles supplies energy by the power station that adds as charging station.Formed system is divided into the half adding side, power station on the left side by vertical dotted line, and it belongs to charging station, and the half of the vehicle side on the right, and it belongs to vehicle.Charging station itself and can electrically driven vehicles itself not shown in the drawings.
Charging station side shows the circuit block diagram of the circuit arrangement 30 of carrying out the wireless coupling in energy technologies by magnetic alternating field 28 (Fig. 6).This circuit arrangement 30 comprises the coil circuit 36 with electronic coil 38, this electronic coil for provide and can electrically driven vehicles outer coil circuit 18 energy technologies on wireless coupling, after to its launch explanation.In addition circuit arrangement 30 comprises the compensating circuit 34 with at least one passive electronic accumulator, and it continues below to launch equally.Last circuit arrangement 30 comprises the current transformer 32 for providing power supply electric energy to coil circuit 36 that can be connected to power supply.Coil circuit 36 is connected with current transformer 32 by compensating circuit 34.Energy source to be made up of public energy supply system at this and not to continue in the accompanying drawings to illustrate.Mate therewith, current transformer is correspondingly designed to frequency converter, and the alternating voltage of power supply is converted to the alternating voltage of coil circuit 36 by it, thus based on producing magnetic alternating field 28 by electric current in coil 38.
According to the utility model, coil circuit 36 had both been made also to make compensating circuit 34 be designed to can to regulate according to the degree of coupling of the wireless coupling in energy technologies.Can be arranged in alternate design scheme, only coil circuit 36 or compensating circuit 34 are designed to can to regulate according to the degree of coupling of the wireless coupling in energy technologies.
As illustrated by fig. 1, charging station side circuit arrangement 30 by magnetic alternating field 28 with can other external circuits of electrically driven vehicles arrange 10 in energy technologies wireless coupling.For this reason, can electrically driven vehicles have circuit arrangement 10, it comprises the coil circuit 18 with electronic coil 20, this electronic coil for provide with charging station from the wireless coupling the energy technologies of the outer coil circuit 36 viewed from vehicle angles.Circuit arrangement 10 comprises the compensating circuit 12 with at least one passive electronic accumulator in addition, below equally also to continue to launch to it.Last circuit arrangement 10 comprises the current transformer 14 for realizing carrying to electric energy meeting point 16 electric energy of coil circuit 18 that can be connected to electric energy meeting point 16.Electric energy meeting point 16 is made up of the storage battery of energy electrically driven vehicles.Coil circuit 18 is connected on current transformer 14 by compensating circuit 12.According to the utility model, coil circuit 18 had both been made also to make compensating circuit 12 be designed to can to regulate according to the degree of coupling of the wireless coupling in energy technologies.Can be arranged in alternate design scheme, coil circuit 18 or compensating circuit 12 are designed to can to regulate according to the degree of coupling of the wireless coupling in energy technologies.
Fig. 2 shows compensating circuit 12 with schematic block circuit diagram, the compensating network of 34, wherein arranges the series compensation by capacitor 22 at this.This type of compensation both can be arranged on charging station side and also can be arranged on vehicle side.Certainly the electric capacity of the capacitor 22 of the charging station different from vehicle side can be selected according to corresponding application conditions.
Alternatively, also compensating circuit 12 can be constructed according to Fig. 3,34.Compensating network shown in this place comprises the capacitor 26 as passive electronic accumulator, and this capacitor serves the effect of shunt compensation.This compensating network also both can be arranged on charging station side or be arranged on vehicle side.Identical with the situation of the compensating network according to Fig. 2, when the compensating network according to Fig. 3, when being applied to charging station side, also can the electric capacity of the capacitor 26 different when vehicle side of choice and utilization.
Last Fig. 4 shows the capacitor 26 had by parallel connection and compensates with the series connection of capacitor 22 be connected in series and the charging station side of shunt compensation.In this design, the coil 38 of coil circuit 36 is connected on capacitor 22.
The another kind of design of the compensating circuit 12 of vehicle side is provided by Fig. 5.Fig. 5 illustrates the compensation based on being compensated the combination formed by series and parallel connections with illustrative circuitry.Here be also provided with the capacitor 22 of series connection, this capacitor is connected with the capacitor 26 be connected in parallel.The coil 20 of the vehicle side of coil circuit 18 is connected to the capacitor 22 in access series connection.
Certainly can also combine according to the various different compensating circuit shown in Fig. 2 to Fig. 5 in vehicle side and charging station side, wherein it should be noted that should only be arranged on charging station side according to the design of Fig. 4 and only should be arranged on vehicle side according to the design of Fig. 5.
Fig. 6 shows the coil circuit 18,36 when energy electrically driven vehicles is positioned at the charging station place for powering.Under this arrangement states, coil 20,38 is coupled to each other by magnetic alternating field 28, causes the wireless coupling in energy technologies thus.In addition, Fig. 6 is the details enlarged drawing of Fig. 1 diagram.
Fig. 7 illustrate only one based on the compensating network embodiment according to compensating network in Fig. 2, wherein compensating circuit 12, the 34 passive electronic accumulators comprising multi-piece type, this accumulator by capacitor 22 and three other, the capacitor 221,222,223 in parallel with it is formed.Leading to capacitor 221,222, be connected to semiconductor switch 50,52,54 in the series connection of 223, it will elaborate below.Semiconductor switch T
0, T
1and T
nmark.Parallel circuits can be supplemented in principle by other capacitors any number of.
Semiconductor switch 50,52,54 is controlled, and for this purpose, by circuit arrangement 10, at least one unshowned control signal of the control unit of 30 can control this semiconductor switch.Preferably, be each semiconductor switch 50,52,54 arrange exclusive control signal.For this purpose, control unit gathers the measured value of coil circuit 18,36 and analyzes this value, therefrom to measure semiconductor switch 50,52, the control signal of 54.Compensating circuit 12,34 can be regulated thus according to the degree of coupling of the wireless coupling in energy technologies.What be alternative in control unit can certainly arrange independently hardware circuit or like this, and it can such as be integrated into compensating circuit 12, in 34.Measured value can be such as electronic coil 20, the voltage at 38 terminal places and can be by electronic coil 20, the electric current of 38.The magnetic flux density of magnetic alternating field 28 can be measured in addition.
Semiconductor switch 50,52,54 are designed to bi directional conductibility.Therefore can realize regulating total capacitance by switching on or off capacitor 221,222 and 223 accordingly by handling semiconductor switch 50,52,54 according to demand.Can be arranged in this design, namely capacitor 22,221,222 and 223 has the identical value relevant with electric capacity respectively.Alternatively also can be arranged to, capacitor 22,221,222 and 223 has and is matched with the principle of work and power and the different value selected, can realize homogeneity good as far as possible between operating frequency and efficiency.In addition, select the value of capacitor 22,221,222 and 223 as follows, make it can regulate different total capacitance value as much as possible.Preferably, switching on or off of one or more capacitor 221,222 and 223 can be realized in conventional operation.
Fig. 8 shows has shunt compensation as compensating circuit 12, the schematic circuit of the compensating network of 34.From principle, this circuit structure is identical with the circuit structure described by Fig. 7, wherein with Fig. 7 unlike couple capacitors in compensating circuit 12,34 effects playing parallel circuits.Identical with Fig. 7, about capacitor connected mode to each other, parallel circuits is set, and there is the capacitor 261 of a capacitor be fixedly installed 26 and other energy parallel connection, 262 and 263, it equally as shown in Figure 7, can by semiconductor switch 56,58,60 switch on or off independently.At this, semiconductor switch 56,58,60 also can switch by least one control signal, preferably one control unit.But preferably, be each semiconductor switch 56,58,60 arrange exclusive control signal.In addition, the embodiment according to Fig. 7 is suitable for about the embodiment corresponding to other functions.
In addition according to the utility model, be arranged in this embodiment, both made the coil circuit 18 of vehicle side and also made the coil circuit 36 of charging station side be designed to regulate according to the degree of coupling of the wireless coupling in energy technologies.For this purpose, arrange a coil windings 24,40 respectively to the electronic coil 20,38 according to Fig. 9, it has multiple wire turn respectively.Each coil windings 24,40 comprises multiple section be made up of multiple wire turn 241,242,243,244,401,402,403,404.Wire turn section 241,242,243,401,402 and 403 arranges semiconductor switch 70 respectively, 72,74,76,78,80, it is connected in corresponding wire turn section as follows, namely makes it possible to the semiconductor switch 70 by subordinate, 72,74,76,78,80 forbid corresponding wire turn section.Thus achieve, regulate the inductance of corresponding electronic coil 20,38 in the mode expected.The coupling in energy technologies can being affected thus, in the operation area expecting even so, operating frequency and efficiency can be regulated in scope wide as far as possible.Certainly advantageously, this circuit theory can combine with the variable compensation circuit 12,34 according to Fig. 7 and/or 8.Correspondingly, control unit can be designed for, and is semiconductor switch 70, and 72,74,76,78,80 arrange control signal, can realize the desired service conditions of the coupling in energy technologies.Here also achieve based on this circuit, during conventional operation, carry out handoff procedure.Preferably, be each semiconductor switch 70,72,74,76,78,80 arrange exclusive control signal.In addition, certainly can be arranged to, profit switches one or more semiconductor switch by a public control information.This makes also can to consider the condition that changes in charging process and realizes following the tracks of under desired running status.
Be arranged in this design, both also at coil 20, can adjust accordingly on 38 in vehicle side in charging station side.But, also can be arranged in alternative embodiments, only at these two electronic coils 20, one in 38 realize adjustment possibility.
Figure 10 to 12 shows the schematic circuit of the embodiment of the different switch element of based semiconductor switch.Figure 10 shows the electronic switch unit as semiconductor switch 90, and it is made up of two N channel MOSFETs, and their its corresponding source terminals are electrical connections.The drain terminal of these two MOSFETs constitutes the terminal of switch element 90.This two MOSFETs can be switched by corresponding gate terminal.Therefore, the diagram of Figure 10 corresponds to the series circuit be made up of the MOSFETs that both direction is contrary.In addition, this circuit or favourable, because each in these two MOSFETs comprises a unshowned idle running diode.In order to ensure the illegal state of thyristor 90, therefore do not consider parallel circuits.
Figure 11 illustrates corresponding circuit with the illustrative circuitry identical with Figure 10, but wherein arranging IGBTs substitutes MOSFETs.The emitter of two IGBTs is connected each other in an electrically conductively, and on the contrary, collector electrode then constitutes the terminal of corresponding electronic switch unit 92.In addition, other embodiment is suitable for embodiment as shown in Figure 10, therefore consults this figure.
Figure 12 shows the 3rd design of the switch element 94 of based semiconductor switch.According to Figure 12, two unshowned thyristor inverse parallels connect, and the terminal be wherein connected in parallel respectively constitutes the terminal of thyristor 94 respectively.The gate terminal of thyristor constitutes control electrode, by control electrode, semiconductor switch 94 can be switched in its running status.Substitute the thyristor that inverse parallel connects, can also arrange TRIAC, it only comprises only control electrode.
Other execution modes of electronic switch unit also can comprise thyristor variant as GTO thyristor (Gate-Turn-Off-Thyristor, gate level turn-off thyristor) or MC thyristor (MOS-Controlled-Thyristor, MOS control thyristor).
Switch element 90,92,94 shown in Figure 10 to 12 can be used as thyristor 50 to 60 and 70 to 80.
The utility model should be illustrate only above and the utility model is not limited to this to the explanation of embodiment.Apparently, those skilled in the art design corresponding variant according to demand, and do not depart from core conception.Particularly according to demand can the single feature of combination in any.This is especially also applicable to the feature of dependent claims.
In addition, certainly can provide device characteristic by corresponding method step and be reversed.
Claims (11)
1. one kind for carrying out the circuit arrangement (10 of the wireless coupling in energy technologies by magnetic alternating field (28), 30), have: with at least one electronic coil (20,38) coil circuit (18,36), for providing and the wireless coupling in the energy technologies of outer coil circuit (18,36), with the compensating circuit (12,34) of at least one passive electronic accumulator (22,26), and the current transformer (14 that can be connected on power supply and/or electric energy meeting point (16), 32), for being described coil circuit (18, 36) supply is from the electric energy of described power supply or for exporting described coil circuit (18 to described electric energy meeting point (16), 36) electric energy, wherein said coil circuit (18, 36) by described compensating circuit (12, 34) described current transformer (14 is connected to, 32) on, it is characterized in that, described coil circuit (18, 36) and/or described compensating circuit (12, 34) be designed to adjust according to the degree of coupling of the wireless described coupling in energy technologies.
2. circuit arrangement according to claim 1, is characterized in that, described passive electronic accumulator (22,26) is designed to (221 of multi-piece type, 222,223,261,262,, and the assembly (221,222 of the passive accumulator of the multi-piece type constructed 263), 223,261,262,263) at least one in can by corresponding switch element (50,52,54,56,58,60) activate.
3. circuit arrangement according to claim 1 and 2, is characterized in that, described compensating circuit (12,34) has the electric network with multiple passive electronic accumulator (22,26).
4. circuit arrangement according to claim 1 and 2, is characterized in that, described passive electronic accumulator (22,26) is formed by capacitor or capacitor arrangement.
5. circuit arrangement according to claim 3, is characterized in that, described passive electronic accumulator (22,26) is formed by capacitor or capacitor arrangement.
6. circuit arrangement according to claim 1 and 2, is characterized in that, described electronic coil (20,38) has by multiple wire turn (241,242,243,244,401,402,403,404) winding (24,40) formed, wherein at least one wire turn (241,242,243,401,402,403) switch element (70,72,74 corresponding to this wire turn is connected with on, 76,78,80).
7. circuit arrangement according to claim 5, is characterized in that, described electronic coil (20,38) has by multiple wire turn (241,242,243,244,401,402,403,404) winding (24,40) formed, wherein at least one wire turn (241,242,243,401,402,403) switch element (70,72,74 corresponding to this wire turn is connected with on, 76,78,80).
8. circuit arrangement according to claim 2, is characterized in that, described switch element (70,72,74,76,78,80) form by thyristor or by the switch element (90,92,94) comprising multiple thyristor.
9. circuit arrangement according to claim 7, is characterized in that, described switch element (70,72,74,76,78,80) form by thyristor or by the switch element (90,92,94) comprising multiple thyristor.
10. an energy electrically driven vehicles, has: the drive unit comprising motor; Electric storage means (16), for when vehicle travels being described motor supply of electrical energy; And charging device, for to described electric storage means (16) transmission of electric energy, described charging device has for the circuit arrangement (10) of carrying out the wireless coupling in energy technologies by magnetic alternating field for this reason, described circuit arrangement (10) has: with the coil circuit (18) of at least one electronic coil (20), for providing and the wireless coupling in the energy technologies of outer coil circuit (36); With the compensating circuit (12) of at least one passive electronic accumulator (22,26); And the current transformer (14) be connected on described electric storage means (16), for exporting described coil circuit (18 to described electric storage means (16), 36) electric energy, wherein said coil circuit (18) is connected on described current transformer (14) by described compensating circuit (12), it is characterized in that, described circuit arrangement (10) designs any one of claim 1 to 9.
11. 1 kinds of charging stations for energy electrically driven vehicles, have for the interface of power supply and the circuit arrangement (30) for carrying out the wireless coupling in energy technologies by magnetic alternating field (28), wherein said circuit arrangement (30) has: with the coil circuit (36) of at least one electronic coil (38), for providing and the wireless coupling in the energy technologies of outer coil circuit (18); With the compensating circuit (34) of at least one passive electronic accumulator (22,26); And the current transformer (32) that can be connected on power supply, for supplying the electric energy of described power supply for described coil circuit (36), wherein said coil circuit (36) is connected on described current transformer (32) by described compensating circuit (34), it is characterized in that, described circuit arrangement (30) designs any one of claim 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310219527 DE102013219527A1 (en) | 2013-09-27 | 2013-09-27 | Wireless energy technology coupling by means of an alternating magnetic field |
| DE102013219527.3 | 2013-09-27 |
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| CN204442023U true CN204442023U (en) | 2015-07-01 |
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| DE (1) | DE102013219527A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899086A (en) * | 2015-12-17 | 2017-06-27 | 比亚迪股份有限公司 | Wireless charging system and its degree of coupling compensation device and method |
| CN111682627A (en) * | 2020-08-14 | 2020-09-18 | 深圳赫兹创新技术有限公司 | Anti-offset wireless charging circuit and control method |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016202047A1 (en) * | 2016-02-11 | 2017-08-17 | Bayerische Motoren Werke Aktiengesellschaft | Switchable inductors for inductive charging |
| DE102016207932A1 (en) * | 2016-05-09 | 2017-11-09 | Bayerische Motoren Werke Aktiengesellschaft | Device with an adjustable capacitive unit for an inductive charging system |
| DE102018216916A1 (en) * | 2018-10-02 | 2020-04-02 | Universität Stuttgart | Device for contactless inductive energy transmission, in particular for inductive charging processes in motor vehicles |
| DE102019106719A1 (en) | 2019-03-15 | 2020-09-17 | Balluff Gmbh | Device for the inductive transmission of electrical energy and / or data |
| DE102019106720A1 (en) * | 2019-03-15 | 2020-09-17 | Balluff Gmbh | Circuit for the inductive transmission of electrical energy |
| DE102019106716A1 (en) | 2019-03-15 | 2020-09-17 | Balluff Gmbh | Device for the inductive transmission of electrical energy and / or of data and a method for producing such a device |
| DE102022203490A1 (en) | 2022-04-07 | 2023-10-12 | Mahle International Gmbh | Stationary induction charging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5470963B2 (en) * | 2009-03-27 | 2014-04-16 | 日産自動車株式会社 | Power supply device |
| KR101184503B1 (en) * | 2010-08-13 | 2012-09-20 | 삼성전기주식회사 | Wireless power transmission apparatus and transmission method thereof |
| KR101201292B1 (en) | 2010-08-16 | 2012-11-14 | 한국과학기술원 | Magnetic Inductive Power Transfer Apparatus and Moving Object Using the Same |
| JP5656606B2 (en) * | 2010-12-16 | 2015-01-21 | 株式会社テクノバ | Power supply |
| KR20120097239A (en) * | 2011-02-24 | 2012-09-03 | 삼성전기주식회사 | Wireless power transfer system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899086A (en) * | 2015-12-17 | 2017-06-27 | 比亚迪股份有限公司 | Wireless charging system and its degree of coupling compensation device and method |
| CN106899086B (en) * | 2015-12-17 | 2019-12-20 | 比亚迪股份有限公司 | Wireless charging system and coupling degree compensation device and method thereof |
| CN111682627A (en) * | 2020-08-14 | 2020-09-18 | 深圳赫兹创新技术有限公司 | Anti-offset wireless charging circuit and control method |
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| DE102013219527A1 (en) | 2015-04-02 |
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