EP3717299A1 - Transmission d'énergie électrique entre un véhicule automobile couplé électriquement à une station de charge et la station de charge - Google Patents

Transmission d'énergie électrique entre un véhicule automobile couplé électriquement à une station de charge et la station de charge

Info

Publication number
EP3717299A1
EP3717299A1 EP19714118.7A EP19714118A EP3717299A1 EP 3717299 A1 EP3717299 A1 EP 3717299A1 EP 19714118 A EP19714118 A EP 19714118A EP 3717299 A1 EP3717299 A1 EP 3717299A1
Authority
EP
European Patent Office
Prior art keywords
charging
motor vehicle
charging station
electrical
communication
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.)
Pending
Application number
EP19714118.7A
Other languages
German (de)
English (en)
Inventor
Klaus-Peter Linzmaier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP3717299A1 publication Critical patent/EP3717299A1/fr
Pending legal-status Critical Current

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
    • B60L53/60—Monitoring or controlling charging stations
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • 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
    • 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
    • B60L53/14—Conductive energy transfer
    • 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
    • B60L53/14—Conductive energy transfer
    • B60L53/18—Cables specially adapted for charging electric vehicles
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • 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
    • Y02T90/12—Electric charging stations
    • 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the invention relates to a control unit for controlling a charging unit, which serves the transmission of electrical energy to a charging unit with at least two electrical lines having charging connection cable coupled power vehicle, wherein the control unit has a communication interface for communicating with the charging unit and further formed is to establish a Kiru nikationsitati to the motor vehicle and adjust the transmission of electrical energy by the charging unit from pending received energy storage data of the motor ve hicle.
  • the invention further relates to a La destation for transmitting electrical energy between the charging station and an electrically dockable with the charging dockable motor vehicle, with a charging unit for transmitting the electrical energy, a kationstechnisch coupled to the charging unit kommuni control unit, wherein the control unit is formed, establish a communication link to the motor vehicle and adjust the transmission of electrical shear energy through the charging unit depending on received energy storage data of the motor vehicle, and egg nem with the charging unit electrically coupled electrical charging connection cable having at least two electrical lines for electrically coupling the motor vehicle.
  • the invention relates to a charging outlet for a Ladesta tion, wherein the charging outlet spatially away from a charging unit of the charging station for transferring the electric energy can be arranged and arranged for electrically coupling a motor vehicle, wherein the charging outlet has: ei ne with the Charging unit communicatively coupled control unit, wherein the control unit is adapted to establish a communication connection to the motor vehicle and the transmission of electrical energy through the charging unit depending on received energy storage data of the motor vehicle, and a charge discharge coupled to the electrical charging connection cable having at least two electrical cal lines for electrically coupling the motor vehicle. Furthermore, the invention relates to a motor vehicle with an electrical energy storage, one with the
  • the charging terminal unit for electrically connecting an electrical charging connection cable of a charging station with we least two electrical lines for transmitting electrical energy between the charging station and the motor vehicle is formed, and a vehicle control unit which is formed to establish a communication link to La destation and to transmit energy storage data of the electrical energy storage device via the communication link to the charging station to transfer the
  • the invention relates to a charging station to which a motor vehicle is electrically connected.
  • the invention also relates to a method for transmitting electrical energy between a Ladestati on and electrically coupled to the charging station
  • Motor vehicle wherein the motor vehicle is coupled by means of a least two electrical lines having electrical La dean gleichschis to the charging station, a communication link between the charging station and the motor vehicle is made, and transmitting the electrical energy transmitted by the charging station depending on the motor vehicle to the charging station Energy storage is set cher data.
  • Motor vehicles are in particular land vehicles operated by Ma schinenkraft in the intended ferry who can, without being bound to a guideway.
  • Motor vehicle is preferably a motor vehicle, in particular a passenger car.
  • Motor vehicles preferably comprise electrically driven motor vehicles, which are motor vehicles that can be driven at least partially by using electrical energy in the ferries according to the present invention.
  • the electrical energy storage is provided which provides ei ne electrical drive means of the motor vehicle for the intended ferry operation with electrical energy ver.
  • the electric energy storage is discharged, so it must be recharged regularly, so that the ferry service can be continued.
  • the charging of the energy storage of the motor vehicle is carried out by supplying energy from a trained Ladesta tion, which usually derives their electrical energy from an electrical energy source, which may be, for example, the public power grid or the like.
  • the power source may also include a solar system, a turbine, a wind turbine, and / or the like.
  • a power engineering coupling is the energy from the charging station to the motor vehicle and here in particular special to one with the electrical energy storage
  • the electrical energy storage of the motor vehicle is reversibly charged or discharged for this purpose and is usually designed in the manner of a rechargeable battery.
  • an accumulator in the manner of a high-voltage battery is usually used today as an electrical energy store, which is often designed as a lithium-ion battery.
  • An electrically driven motor vehicle is thus in particular an electric vehicle or a hybrid vehicle.
  • a hybrid vehicle has in relation to an electric vehicle in addition ei ne non electrically powered drive device, which may often be formed by an internal combustion engine, which can also be used for the intended ferry operation to a corresponding drive effect to achieve.
  • the elec- tric drive means and the non-electrical drive means can also be used partly in parallel in the intended driving conditions Shen.
  • the motor vehicle has the charging connection unit, which serves to be able to connect an electrical charging connection cable of the charging station. About the charging connection cable can then be supplied to the power vehicle from the charging station electrical energy or dissipated. This is al so a line-bound electrical energy coupling.
  • the charging terminal unit can for this purpose comprise a, in particular special detachable, connector, by means of which an electromechanical coupling with the charging station can be made.
  • a motor vehicle external, electrical energy source namely the charging station or a power source connected to the charging station, etcge, for example via the aforementioned power supply network.
  • the charging station also includes a clocked energy converter, by means of which the charging connection cable of the charging station is electrically coupled.
  • the clocked energy converter often in the manner of a DC / DC converter and / or a controlled formed rectifier, serves to convert the supplied from the power source of the charging station electrical energy in a suitable manner for the electrical energy storage of the motor vehicle.
  • the control unit of the charging station is provided, which is connected to the energy converter and the energy converter among other things depending on energy storage data of the electrical energy storage of the motor vehicle, such as egg nem state of charge, also called state-of-charge (SOC), steu ert.
  • SOC state-of-charge
  • the charging station is usually arranged stationary.
  • a local energy source can also be connected to the charging station in order to be able to provide the electrical energy.
  • the local energy source may be formed, for example, by one or more wind turbines, solar cells, fuel cells, but also a generator and / or the like driven by an internal combustion engine.
  • the charging station usually has the charging unit, with means of which the electrical energy is provided.
  • the La unit derives its electrical energy from the electrical energy source to which the charging station is connected.
  • the charging unit is onstechnisch coupled with the control unit kommunikati so that operating states of Ladeein unit from the charging unit to the control unit transmitted be relationship as operating conditions of the charging unit can be controlled in accordance with the control unit predetermined control commands.
  • the charging unit is connected to the electrical charging connection cable, by means of which the electromechanical coupling can be made to the motor vehicle or electrically powered motor vehicle.
  • the connection of the charging connection cable to the motor vehicle is thus a lös bare connection, because it does not exist in the intended ferry operation of the motor vehicle in the rule, especially since the La destation is usually arranged stationary.
  • a pilot line is provided, which allows a corresponding communi cation connection between the charging station and the motor driving tool or the charging outlet.
  • the pilot connection line can be integrated into the charging connection cable so that no separate line or separate plug connection needs to be handled.
  • the communication that can be realized by means of the pilot line is in the present case covered by standardization, in particular DIN EN 61 851.
  • the pilot line is preferably designed as a two-pole line and both on the motor vehicle side or on the discharge side as well as on the charging station in accordance with the standard connected in a predetermined manner.
  • the line may be formed of a single Pi lotleiter and an electrical reference potential as the ground potential.
  • the charging station has a charging outlet arranged spatially remotely from the charging unit has, with which the motor vehicle for supplying electrical energy shear energy is coupled.
  • This can be realized by means of a separate connection line between the Ladeab transition and the motor vehicle.
  • the charge connection cable here serves to electrically connect the charging unit of the charging station with the charging outlet.
  • the charging outlet may be formed by a separate device such as a pillar or the like.
  • Such parameters or states may include a temperature of the electrical energy store, a state of charge, a maximum charging power, a rated voltage, a charging current reference value and / or the like.
  • safety can be improved if supplemental communication contents can be defined and exchanged between the charging station and the motor vehicle.
  • the Informa tion is available whether the energy technology coupling is made reliable. If the energy-technical Kopp ment interrupted, preferably a rapid interrup tion of the charging voltage, in particular at beticianswidrigem separating the energy-related coupling provided.
  • the invention has for its object to improve the communication between the charging station or a charging outlet and the motor vehicle.
  • control unit has a we-least two electrical lines connectable Kommuni kationsadapter for establishing the communication link to the motor vehicle via the at least two electrical Lei lines.
  • control unit is designed according to the invention.
  • control unit according to the invention is designed.
  • Motor vehicle side is particularly proposed that the motor vehicle has a communication with the vehicle control unit tion technology coupled and connected to the at least two con nection contacts communication adapter for establishing the communication connection to the charging station on the least two electrical lines.
  • Procedural side is also proposed that the Kommuni kationsitati by at least one charging stationseiti conditions and at least one motor vehicle side communicating onsadapters is at least partially made on the least two electrical lines of the electrical charging connection cable.
  • a motor vehicle according to the invention for transmitting electrical energy between the Ladesta tion and the motor vehicle is electrically connected to a inven tion proper charging station.
  • the invention is based on the idea that the pilot line used in the prior art for providing the communication between the motor vehicle and the charging station, fully. constantly to save. As a result, the disadvantages associated therewith, in particular with regard to the reliability of the communication and the range, can be avoided.
  • the invention is based on the idea of the communication over the already existing already existing electrical lines of the charging connection cable. So there are no separate communication lines according to the invention more necessary.
  • the communication is carried out in the invention in that by means of the charging station side and motor vehicle side provided communication adapter communication signals can be placed on the electrical leads of the charging cable, so that the charging cable can not only be used to transfer electrical energy from the charging station to the motor vehicle or vice versa but also at the same time by means of the communication signals a Kommuni cation via the same charging connection cable, in particular the electrical lines of the charging connection cable chen ermögli.
  • the invention allows the communication adapter on the charging station side and on the motor vehicle side basically to be essentially the same.
  • the communication adapter can also be differently authorizedbil det depending on needs.
  • the communication adapters can provide auxiliary functions that improve or possibly enable communication via the charging cable leads.
  • the electrical rule lines may be at least partially looped through the communication adapter or the like. Basically, it is sufficient for the invention, however, if the commu nikationsadapter the electrical leads of Ladean connection cable contact at least electrically. Instead of the electrical contact, however, another type of coupling or decoupling of the communication signals may also be provided.
  • the invention basically requires at least two electrical leads of the charging connection cable for its implementation. If the charging connection cable is designed to be charged with a DC voltage as the charging voltage, it only needs to have two electrical lines. In this case, these two electrical lines can be used by the communication adapter, for example, contacted to transmit the communication signals via the electrical lines.
  • the charging connection cable has more than two electrical lines, for example when the charging voltage is formed by an AC voltage, in particular ei ne multi-phase AC voltage, particularly preferably a three-phase AC voltage.
  • the charging connection cable has more than two electrical lines, for example when the charging voltage is formed by an AC voltage, in particular ei ne multi-phase AC voltage, particularly preferably a three-phase AC voltage.
  • both the motor vehicle side and the charging station side depending Weil preferably the same electrical leads of the charging connection cable are contacted or used for the transmission of the communication signals.
  • "contacting" of the electrical leads of the charging connection cable by the communication adapter means that the electrical leads are at least indirectly contacted.
  • Ending cable for preferably each of the electrical leads of the charging lead cable has a respective terminal contact, which may be connected to the communication adapter.
  • the charging connection cable has egg nen corresponding complementary connector, which is out forms to be releasably coupled electromechanically with the connector of the motor vehicle.
  • a direct contact can be provided.
  • the communication adapter can take into account the line characteristics of the charging cable, so that the most undisturbed reliable communication connection can be achieved.
  • the transmission of electrical energy means in particular a supply of electrical energy in the manner of a charging process for the electrical energy storage.
  • a discharge of electrical energy in the manner of a discharge from the electrical energy memory hereunder can be understood.
  • the charging unit for Sustainer th of electrical energy to a charging station external energy source is connected and an energy converter, in particular a clocked energy converter, for converting the energy obtained from the energy source has.
  • an energy converter in particular a clocked energy converter, for converting the energy obtained from the energy source has.
  • the energy converter can be formed for example as a DC / DC converter.
  • the energy converter may also be formed only by a rectifier, example, a bridge rectifier or the like.
  • a rectifier example, a bridge rectifier or the like.
  • a one-way or Zweiwegrete ter come to use, however, this scarf tungstopologien prove for reasons of efficiency usually rich in the energy technology as less useful compared to a bridge rectifier.
  • Combination circuits of rectifiers with DC / DC converters or the like may also be provided as energy converters.
  • the energy giewandler may also include one or more inverters or the like.
  • the energy converter has means for reducing an electromagnetic coupling between the power source and the charging connection cable. Often, this coupling is based, for example, on wireline couplings or the like.
  • the means for reducing the electromagnetic coupling may then be, for example, a suitable filter, for example a radio noise filter or the like.
  • the reduction of the coupling can also be achieved by further circuitry measures, for example, in a DC / DC converter by providing a gal vanischen separation or the like. These measures can of course also be provided on the motor vehicle side, for example between the charging connector of the motor vehicle zeugs, to which the communication adapter of the motor vehicle is connected and other components of the Bordnet zes or the electrical energy storage. Of course, these measures can also be combined both on the charging side and provided on the motor vehicle side.
  • the energy converter has means for reducing a capacitive and / or inductive coupling between the energy source and the charging terminator cable.
  • the communication connection can be further improved with regard to its quality.
  • a reduced capacitive coupling for example, an attenuation of fed by the communication adapter to the electrical lines communication signals can be reduced.
  • this may also be relevant for an inductive Kopp development.
  • Corresponding measures may be provided on the charger side. For example, it may be provided that the charging station side, the power source of the charging connection cable is electrically isolated. It proves to be particularly advantageous if the galvanic isolation provides a particularly low capacitive coupling due to its properties, for example due to a suitably designed shielding and / or the like.
  • the communication adapter is designed to use a modulation adapted to line characteristics of the charging cable.
  • the charging cable can have specific line characteristics, in particular at high frequencies, for example a characteristic impedance, reflection properties at the ends of the charging connection cable and / or the like.
  • the modulation means the process which is usual in telecommunications, in which a useful signal to be transmitted modifies or modulates a so-called carrier signal.
  • the carrier signal has a significantly higher frequency than the largest frequency of the payload to be transmitted. Signal on.
  • the communication adapters therefore have a so-called modulator, which performs the corresponding modulation.
  • signals received from the communication adapters are demodulated by means of suitable demodulators, so that the respective useful signal can be recovered again. With means of the carrier signal and the modulation can thus be made to a fitting to the physical properties of Ladean connection cable. Modulation techniques, both analog and digital modulation techniques, are well known in the art, and reference is made to the prior art in this regard.
  • the communication adapter is designed to use digital communication based on a secure protocol standard.
  • a corresponding protocol standard may provide for example that certain data elements or data records are used to establish the communication link.
  • the data elements may have a predetermined specific data structure which preferably allows additional security functions.
  • identification data from the charging station or the charging outlet and / or the motor vehicle are exchanged.
  • these data are included in each data element, so that both the motor vehicle side and the charging station side or the charge outlet side can be determined whether the data element for the La destation or the charging outlet or the motor vehicle is relevant.
  • this embodiment allows to provide additional security features, for example, to use a Wegto lerante coding to provide encryption and / or identification data and / or the like. This can also prevent unauthorized third parties from intervening in the charging process.
  • protocol standards based, for example, on protocol standards such as those used in Ethernet or the like.
  • the protocol standard uses a monitoring time to monitor the communication connection.
  • the monitoring time can to NEN to determine whether the communication link between the charging station or the charging outlet and the motor vehicle exists. If the communication connection interrupted, this may be an undesirable condition and the loading process can be aborted or interrupted charging station side. This increases safety, especially if, for example, the plug connection of the charging connection cable at the plug connector of the motor vehicle is dissolved in an undesired manner or the like. This can be detected on the charging station side and the charging voltage can be switched off. Overall, the safety can be verbes sert this.
  • the monitoring time is less than 20 ms. With such a small selected monitoring time, on the one hand a high level of security can be ensured, on the other hand, an impairment of the charging process can be detected relatively quickly. This makes it possible to achieve a high level of safety through a fast At the same time, however, to achieve the reliability of the intended supply of electrical energy in the proper charging process as undisturbed as possible. Even if individual data elements in the communication link should be lost, or additional processing time on the communication adapters should be erforder Lich, it does not need to come to time out errors and therefore also requires no unwanted interruption of the supply of electrical energy the result to be .
  • the charging station-side communication adapter can be provided that this is arranged away from the unit Steuerein.
  • the communication adapter does not need to be arranged in a housing of the control unit. Rather, it may have its own housing and line-bound and / or be wirelessly coupled onstechnisch with the control unit kommunikati. As a result, a great flexibility can be achieved in realizing the invention.
  • the communication adapter can also be arranged, for example, during the charging process.
  • the functionalities for the charging station side communication adapter can of course be provided at least partially for the motor vehicle side communication adapter. Basically, the communication adapter can therefore be formed identically.
  • a functional readiness of the charging station is displayed when the motor vehicle is electrically coupled to the charging station. This can be transmitted to the motor vehicle, for example, that the charging station or the charging outlet is ready to supply electrical energy or record. This may allow the vehicle controller to control the process of energy transfer. Of course, this can also indicate who the, that the motor vehicle with the charging station is determined according coupled so that a user the process of energy to start transmission of energy. Other possibilities of use can also be opened herewith.
  • a functionality of a protective conductor is tested by the charging station.
  • the charging station can check a security functionality, especially in terms of electrical safety.
  • the transmission of the electrical energy takes place only when the security is reliably ensured.
  • a further embodiment provides that a charge release is requested by the motor vehicle.
  • the vehicle control can be informed that the transfer of energy can be started. This can be signaled for example on the vehicle side.
  • the inclusion of a ferry operation of the motor vehicle can be prevented.
  • a ventilation is requested by the motor vehicle. This can achieve who the that the process of energy transmission improves who can.
  • a cooling functionality can be provided, which allows to maintain the process of energy transfer or to increase a transmitted power. It can be taken into account that during the process of energy transfer Ver losses can occur, for example, when charging the electrical energy storage.
  • the charging station transmits maximum power to the motor vehicle.
  • the charging station can be provided with the information with which maximum power the motor vehicle may be charged.
  • this can serve as a safety function and on the other hand make it possible for the charging station to always have one provide optimal process of energy transfer vehicle specific.
  • control unit and the La apply, of course, equally for a charging outlet of the charging station and for the motor vehicle or the method of the invention and vice versa.
  • process features and vice versa can be formulated for device features.
  • FIG. 1 shows a schematic illustration of a charging station to which a motor vehicle for supplying electrical energy from the charging station to the motor vehicle is connected
  • FIG 2 shows a schematic diagram of a data telegram with data elements as a communication signal, as it is used for communication via the two electrical Lei lines having charging connection cable according to FIG 1 with each respective charging station side and motor vehicle side communication adapter, and
  • FIG. 3 shows a schematic diagram representation of a data element of the data telegram according to FIG. 2.
  • FIG. 1 shows a schematic representation of a charging station 10 for supplying electrical energy to a charging station 10 electrically coupled to the motor vehicle 12, which is presently an electric vehicle.
  • the motor vehicle 12 may, however, basically also be a hybrid vehicle or a conventional motor vehicle.
  • the charging station 10 has a charging unit 14 which serves to provide the electrical energy for the motor vehicle 12 be.
  • the loading unit 14 is hold electrical energy to a charging station external energy source 20, here a public power grid, connected, which provides the electrical energy using an AC electrical voltage.
  • the charging unit 14 in the present case further comprises an energy converter 22, which serves to convert the energy source 20 received NEN electrical energy.
  • the energy gie converter 22 in this case is designed with a rectifier function and a DC / DC converter.
  • the charging station 10 further includes a communicatively coupled to the charging unit 14 control unit 16 which is adapted to produce a communication link to the motor driving tool 12 and the supply of electrical energy gie dependent on the received energy storage data of the motor vehicle.
  • control unit 16 the energy converter 22 can be controlled in a suitable manner.
  • the charging station 10 comprises an electrical charging connecting cable 18 which is electrically coupled to the charging unit 14 and in the present case has exactly two electrical lines 24, 26 for providing an electrical charging voltage, which in the present case is a DC voltage.
  • control unit 16 includes a communication unit with the control unit 16 and coupled to the we least two electrical lines 24, 26 connected communication adapter 28 for establishing the communication connection to the motor vehicle 12 via the two electrical lines 24, 26th
  • the communication adapter 28 is adapted to use a Lei tion properties of the charging connection cable 18 adapted Mo modulation, for which purpose he has a suitably trained, not shown modulator, with means of appropriately modulated communication signals on the two electrical lines 24, 26 abandoned can.
  • the communication adapter 28 comprises a demodulator adapted to the modulation method, by means of which the received communication signals can be demodulated.
  • the communication signals may in particular comprise a data telegram 44 with data elements 46, as explained in more detail below with reference to FIG 2.
  • a QAM modulation is used.
  • other suitable modulation methods may also be used.
  • the charging station 10 is presently set up as a charging station at a parking space for the motor vehicle 12, so that parked on the parking space motor 12 by means of the charging connection cable 18 energy technology, that is, in particular can be electrically coupled to the charging station 10, so that the charging station 10 electrical Energy to the vehicle 12 can supply.
  • the motor vehicle 12 is closed by means of the charging connection cable 18 to the charging station 10 at.
  • the motor vehicle 12 has a charging terminal unit 32 with present two terminal contacts 38, 40, wherein the charging terminal unit 32 for electrically connecting the electrical charging connection cable 18 of the charging station 10 with the two electrical lines 24, 26 for providing the electrical charging voltage is thoroughlybil det ,
  • the motor vehicle 12 an electric drive means 36 for driving the motor vehicle 12 in a proper ferry operation and a drive device to the on 36 electrically coupled electrical energy storage 34, which is formed here as a lithium-ion accumulator.
  • a rated voltage of the electrical energy storage device 34 in the present case is about 450 V. This voltage is a high voltage in the sense of standardization, for example, the standard ECE R 100. Certain standard requirements must be fulfilled when operating high-voltage electrical equipment. Both the charging station 10 and the motor vehicle 12 are designed accordingly.
  • the charging terminal unit 32 is also electrically coupled.
  • a respective terminal pole of the energy store 34 is connected to a respective one of the terminal contacts 38, 40 of the charging terminal unit 32
  • the motor vehicle 12 further has a vehicle control unit 42, which is communicatively coupled with not presented Darge sensors by which state variables and / or parameters of the electrical energy storage device 34 can be detected.
  • the state variables include a state of charge and a temperature of the energy store 34.
  • a parameter is a rated electrical voltage and a charging power of the energy store 34.
  • the vehicle control unit 42 is designed to establish a communication connection to the charging station 10 and to transmit energy storage data via the communication link to the charging station 10 in order to adjust the supply or, if appropriate, removal of electrical energy as a function of the energy storage data.
  • the energy storage data comprise a state of charge, a temperature and a rated power as well as a rated voltage of the electrical energy store 34.
  • further state data of the electrical energy store 34 can be added as needed or some of the energy storage data mentioned above can also be added. if it is expedient or sensible for the current application.
  • the motor vehicle 12 comprises a communication with the vehicle control unit 42 and coupled to the two terminal contacts 38, 40 communication tion adapter 30 for establishing the communication connection to the charging station 10 via the two electrical lines 24,
  • the communication adapter 30 is formed substantially the same as the communication adapter 28 of the charging station 10. Depending on requirements, however, the communication adapter 30 may also be deviating therefrom in order to be able to take account of vehicle-specific properties, for example by force. Both the communication adapter 28 and the communication adapter 30 are designed to produce a galvanic isolation between the communication connection to the control unit 16 or vehicle control unit 42 and the electrical lines 24, 26.
  • the communication adapter 28, 30 may for this purpose have suitable transformers, which allow to give a communication signal to the electrical lines 24, 26 without herstei len a galvanic connection or an electrically conductive connection. For this purpose it can be provided that the communication adapter 28, 30 zen a predetermined modulation.
  • communication signals can also be received by the communication adapters 28, 30 via the same communications link.
  • Received communication signals can be demodulated by means of the demodulators and optionally also decoded and if necessary also decrypted.
  • the communication adapters 28, 30 comprise a respective corresponding encoder and, if appropriate, also a corresponding respective encryptor, to which be able to provide transmitting data in a suitable manner for the Kommunikati onstress.
  • modulation of a variety of modulation methods may be provided basically, so for example amplitude modulation, frequency modulation, combinations thereof, digital modulations and / or the like.
  • the energy wall ler 22 provides a galvanic isolation.
  • the lines 24, 26 are thus electrically isolated from a Erdpo potential, not shown. As a result, an undesirable capacitive coupling can be reduced, which could affect the communication via the electrical lines 24, 26 te.
  • the communication adapter 28, 30 are designed to use a digital communication based on a secure protocol standards. This will be erläu below with reference to FIG 2 and 3 further erläu which as communication signal a schematic Dar position of a data telegram 44 with data elements 46 zei conditions, the tion of the communication adapters 28, 30 for communication via the electrical lines 24, 26 ge uses can be.
  • the secure association between the charging station 10 and the motor vehicle 12 can be achieved in that the communication signals are no longer ground-based using the pilot line, but abandoned on any electrical lines of the charging cable 18, in the present case on the electrical lines 24, 26.
  • Charging by means of egg ner charging voltage which is a DC voltage this can be a plus line and a corresponding associated minus line can be used.
  • a charging voltage that is a single phase AC voltage this can be a phase power and associated zero line.
  • a polyphase, for example three-phase, AC voltage is used as the charging voltage, it can be provided that the communication takes place via at least two phase lines. A ground line therefore does not need to be used for communication.
  • An attenuation of crosstalk can be reduced by the who, that in the case of charging with a DC voltage energy converter or a converter or a power source with a low coupling capacitance between an AC side of the power source 20 and a DC voltage side, here the charging connection cable 18, is realized
  • the connection of the charging connection cable 18 with the energy giettle 20 ge anyway by an unillustrated contactor ge is disconnected.
  • high-frequency filtering may be provided in a feed to the charging connection cable 18, for example at a power supply or a connection for the charging station-external energy source 20 or the like.
  • the high frequency filtering may include, for example, a line radio interference filter.
  • an association mechanism such as Session Layer At Tenuation Characterization (SLAC), can provide clearer results due to the lower attenuation.
  • SLAC Session Layer At Tenuation Characterization
  • the secure transmission of charge states of the electrical energy storage energy 34 can be achieved by applying mechanisms in automation technology, in which the corresponding state data, as will be explained below with reference to FIG 2 and 3, are transmitted.
  • the data segment 44 here comprises a sequence of several data stream segments S which comprise standard data, including security process data units (English: protocol data unit,
  • a continuous data stream is provided which is bidirectional. Due to the selected modulation, the bidirectional communication connection can be established at the same time, so that a full-duplex communication connection is available.
  • the F input / output data 48 may include up to 123 bytes.
  • a status / control data 50 follows the F input / output data 48 directly. This can include one byte of data.
  • error correction data such as error correction bytes 52 may follow, which may comprise, for example, three or even four bytes.
  • the data to be transmitted of the data telegram 46 may of course also be encrypted in order to better protect the security, in particular with regard to unauthorized interventions in the communication.
  • appropriate encryption algorithms can be provided.
  • a monitoring time can be provided which in the present case is less than about 20 ms, for example about 16 ms or even about 8 ms or even less.
  • a security error can be detected and safety-critical settings, for example, the energy supply from the charging station 10 to the motor vehicle 12, are turned off.
  • safety-critical settings for example, the energy supply from the charging station 10 to the motor vehicle 12.
  • the data telegram 44 shown in FIG. 2 can be realized using framing, as is known, for example, from Ethernet, in which, for example, corresponding Ethernet frames are used. Taking into account the OSI layer model, it is possible with the invention to be able to detect a failure of the communication due to the over the monitoring time on layer 7. Overall, the invention also makes it possible to monitor the order of the data elements 46.
  • the communication between the charging station 10 and the motor vehicle 12 and also the charging connection cable 18 can be simplified.
  • the customary in the art pi lot line, which is susceptible to interference in earth-related communication can be completely saved.
  • it allows the invention, even existing communication concepts based on, for example, Profinet / Profisafe to use or import, thereby enabling Simatic-compatible solutions.
  • the invention is not limited to the conduction bound store and can basically be applied to a wireless power engineering coupling, for example, inductive charging or the like.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un procédé destiné à transmettre l'énergie électrique entre une station de charge (10) et un véhicule automobile (12) couplé électriquement à la station de charge (10) : - le véhicule automobile (12) étant couplé à la station de charge (10) au moyen d'un câble de connexion de charge électrique (18) comportant au moins deux conducteurs électriques (24, 26), - une liaison de communication étant établie entre la station de charge (10) et le véhicule automobile (12), et - la transmission de l'énergie électrique par la station de charge (10) étant établie en fonction de données d'accumulateur d'énergie transmises par le véhicule automobile (12) à la station de charge (10). Selon l'invention, la liaison de communication est assurée au moyen d'au moins un adaptateur de communication (28) du côté de la station de charge et d'au moins un adaptateur de communication (30) du côté du véhicule automobile au moins partiellement par le biais des au moins deux conducteurs électriques (24, 26) du câble de connexion de charge électrique (18).
EP19714118.7A 2018-03-26 2019-03-11 Transmission d'énergie électrique entre un véhicule automobile couplé électriquement à une station de charge et la station de charge Pending EP3717299A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18163960.0A EP3546273A1 (fr) 2018-03-26 2018-03-26 Transmission d'énergie électrique entre un véhicule automobile couplé électriquement et une station de charge
PCT/EP2019/056000 WO2019185339A1 (fr) 2018-03-26 2019-03-11 Transmission d'énergie électrique entre un véhicule automobile couplé électriquement à une station de charge et la station de charge

Publications (1)

Publication Number Publication Date
EP3717299A1 true EP3717299A1 (fr) 2020-10-07

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EP18163960.0A Withdrawn EP3546273A1 (fr) 2018-03-26 2018-03-26 Transmission d'énergie électrique entre un véhicule automobile couplé électriquement et une station de charge
EP19714118.7A Pending EP3717299A1 (fr) 2018-03-26 2019-03-11 Transmission d'énergie électrique entre un véhicule automobile couplé électriquement à une station de charge et la station de charge

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EP18163960.0A Withdrawn EP3546273A1 (fr) 2018-03-26 2018-03-26 Transmission d'énergie électrique entre un véhicule automobile couplé électriquement et une station de charge

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US (1) US20210023957A1 (fr)
EP (2) EP3546273A1 (fr)
CN (1) CN111989237A (fr)
WO (1) WO2019185339A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP3546273A1 (fr) * 2018-03-26 2019-10-02 Siemens Aktiengesellschaft Transmission d'énergie électrique entre un véhicule automobile couplé électriquement et une station de charge
CN112810494A (zh) * 2021-01-08 2021-05-18 嘉善中正新能源科技有限公司 用于大功率充电桩实现通讯控制的双线充电控制系统
US20230188082A1 (en) * 2021-12-14 2023-06-15 Roman M. Kurpas Mobile integrated vehicle charging and sharing platform

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DE102010011162A1 (de) * 2009-07-15 2011-02-03 Siemens Aktiengesellschaft Verfahren zur Kommunikation zwischen einem Elektrofahrzeug und einer Ladestelle zum elektrischen Laden zumindest eines Energiespeichers des Elektrofahrzeugs
DE102010041766A1 (de) * 2010-09-30 2012-04-05 Siemens Aktiengesellschaft Ladesystem für Elektrofahrzeuge
EP2458611A1 (fr) * 2010-11-29 2012-05-30 Eaton Industries GmbH Unité de commutation et bloc de commande externe
DE102011007912A1 (de) * 2011-04-21 2012-10-25 Siemens Aktiengesellschaft Verfahren zum Aufbau einer IP-basierten Kommunikationsverbindung zwischen einem Elektrofahrzeug und einer Ladesteuereinheit
EP2822201B1 (fr) * 2012-02-28 2019-11-06 Sumitomo Electric Industries, Ltd. Système de communication, dispositif de communication, dispositif d'alimentation électrique et véhicule
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EP3546273A1 (fr) * 2018-03-26 2019-10-02 Siemens Aktiengesellschaft Transmission d'énergie électrique entre un véhicule automobile couplé électriquement et une station de charge
DE102018115993A1 (de) * 2018-07-02 2020-01-02 Timo Scholz Ladestation zum Aufladen eines elektrisch angetriebenen Fahrzeugs mit elektrischer Energie

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US20210023957A1 (en) 2021-01-28
CN111989237A (zh) 2020-11-24
EP3546273A1 (fr) 2019-10-02
WO2019185339A1 (fr) 2019-10-03

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