EP3612408A1 - Ladeeinrichtung für elektrofahrzeuge - Google Patents

Ladeeinrichtung für elektrofahrzeuge

Info

Publication number
EP3612408A1
EP3612408A1 EP18717081.6A EP18717081A EP3612408A1 EP 3612408 A1 EP3612408 A1 EP 3612408A1 EP 18717081 A EP18717081 A EP 18717081A EP 3612408 A1 EP3612408 A1 EP 3612408A1
Authority
EP
European Patent Office
Prior art keywords
charging
connection
power
connection matrix
matrix
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.)
Withdrawn
Application number
EP18717081.6A
Other languages
German (de)
English (en)
French (fr)
Inventor
Oscar Apeldoorn
Osman SENTURK
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.)
ABB EMobility BV
Original Assignee
ABB Schweiz 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 ABB Schweiz AG filed Critical ABB Schweiz AG
Publication of EP3612408A1 publication Critical patent/EP3612408A1/de
Withdrawn legal-status Critical Current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
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/04—Cutting off the power supply under fault conditions
    • 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
    • B60L53/11—DC charging controlled by the charging station, e.g. mode 4
    • 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
    • B60L53/20—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 converters located in the vehicle
    • 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
    • B60L53/30—Constructional details of 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/302—Cooling of charging equipment
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/305—Communication interfaces
    • 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
    • B60L53/67—Controlling two or more 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
    • B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
    • 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 charging device for electric vehicles comprising a plurality of charging ports, each charging port being adapted for power exchange with at least one electric vehicle, a plurality of power converters, each of which converts a power from a power source into a suitable format for charging the electric vehicle is arranged, and a switchable connection matrix, which is adapted for connecting at least one power converter with at least one charging connection.
  • Charging devices for electric vehicles are known from the prior art and are also referred to as charging stations, charging stations or charging points.
  • a charging device often has a plurality of charging ports, which are in the simplest case designed as a socket and in which a charging cable for "refueling" of an electric vehicle can be plugged in or have such a charging cable for connection to the electric vehicle
  • the charging cable is permanently connected to the electric vehicle, provided with a plug connector on both sides or permanently connected to the charging connection
  • Plug connectors for connecting the charging cable are often designed in accordance with the IEC 62196 standard in Europe, for example as a so-called combo 2 plug or DC charging connector Up to 240 kW at 200-600 V DC and up to 400 A DC
  • there are other standards for connectors such as the common in Japan standard CHAdeMO or the standard used in North America SAE J1772th In the charging terminals high-voltage contactors are provided, beis For example, according to the standard ISO 6469-3, to switch on and off the direct current
  • the charging connections are often arranged spatially remote from the power converters and a switchable connection matrix. While the power converters and the switchable connection matrix are arranged within a converter housing at the edge of a parking lot, the charging terminals are usually assigned to a respective parking bay of the parking lot directly installed on this. For larger installations, the distance between the charging terminals and the power converters and the switchable connection matrix can be several tens or hundreds of meters.
  • an advantage of the terminal matrix is to parallel a plurality of power converters for charging a single electric vehicle, thereby increasing the available charging power and correspondingly shortening the charging time
  • a disadvantage of the configuration described above is that the power also can then be available at the charging port when no electric vehicle is connected to the charging port. While this may not be a problem under normal operating conditions, however, situations may arise such as damage to the charging port or the high voltage contactor switch in the charging port due to willful destruction or an accident caused by the electric vehicle vehicle where the power available at the unused charging port is a hazard represents, for example, can cause a short circuit, arcing, sparking or even destruction of the charging port.
  • a charging device for electric vehicles comprising a plurality of charging ports, each charging port being adapted for power exchange with at least one electric vehicle, a plurality of power converters, each of which converters for converting power from a power source into one a suitable format for charging the electric vehicle is arranged with direct current, and a switchable connection matrix, which is arranged for connecting at least one power converter with at least one charging connection by means of at least one circuit breaker for providing a maximum rated current IN to the respective charging port, a plurality of high-voltage contactor switches, in addition to the Connection matrix between each converter and each charging port of at least one of the high-voltage contactor switches in the respective DC path is arranged and each high-voltage contactor switch for switching a maximum current I MAX> 3 * IN is arranged, and with a power converter housing within which all converters, the connection matrix and all high-voltage contactor switches are arranged.
  • the high-voltage contactor switch is not assigned to the charging port associated with this, for example, is provided within a housing of the charging port, but instead spatially away from the charging port within the converter housing, for example within a housing of Terminal matrix, is arranged. Only after switching on the high-voltage contactor switch is the respective charging connection supplied with electrical energy for charging the electric vehicle with direct current. If the high-voltage contactor switch arranged in the respective current path is switched off, the corresponding charging connection is not supplied with electrical energy or is not supplied with direct current. With others In words, the charging connection, including the electrical connection between the connection matrix and charging connection, in particular when no electric vehicle is to be refueled, can be switched off by switching off the high-voltage contactor switch.
  • the charging port can be made much more compact. Because compared to known from the prior art charging connections, where arranged therein high-voltage contactor devices for cooling and possibly air conditioning the same, such in the proposed charging connections is no longer necessary, as opposed to the high-voltage contactor switch within the converter housing, for example, within the connection matrix or between the power converter and the connection matrix is provided. Accordingly, the term is additionally to be understood that in addition to the high-voltage contactor switches often provided in the connection matrix for intended operation of the connection matrix, a plurality of further high-voltage contactor switches are provided in the respective current path. These other high voltage contactor switches were instead provided within the charging ports in the prior art.
  • the charging ports are provided with a cable whose one end is fixedly connected to the charging port and the other end is configured with a charging plug for connection to the electric vehicle.
  • the charging connections are designed according to the standard EN 621 96 and have, for example, a charging coupling according to the type 2 standard, also called Mennekes plug, in order to feed the electric vehicle with direct current.
  • an electric vehicle is basically any driven with an electric motor vehicle in question, for example, an electric bus, wherein in the electric vehicle, a battery is provided, which is charged by the electrical connection of the charging port.
  • the converters are preferably configured as rectifiers known from the prior art and allow, for example, a power conversion of 1 50, 300 or 450 kW.
  • Power converters are also referred to as power converters on the DC side, either via a direct cable connection or via the high-voltage contactor switch according to the second alternative of the charging device described above
  • the high-voltage contactor switches are preferably designed such that interruption of the current path or disconnection of a charging connection from the power converters is always ensured "safely" without interruption an arc or the like arises.
  • the high-voltage contactor switches are preferably designed in accordance with ISO 6469-3 and / or designed for load voltages of a maximum of 500 VDC for passenger cars and a maximum of 900 VDC for trucks. More preferably, each high-voltage contactor switch for switching a maximum current IMAX> 4, 5 or 6 * I N is set up.
  • one of the high-voltage contactor switches is arranged between the connection matrix and each charging connection, between each converter and the connection matrix and / or within the connection matrix between at least one converter and each charging connection.
  • the power converter housing is, for example made of plastic, metal, stone, concrete, a mixture of said materials and / or weatherproof, so that the power converter housing, for example, in a parking space for electric vehicles can be installed.
  • the power converter housing is preferably designed as a closed housing, in the interior of which the power converters, the connection matrix and the high-voltage contactor switches are arranged.
  • the housing may be provided with a closable door and / or opening.
  • the charging device has a connection matrix housing, wherein the connection matrix is arranged within the connection matrix housing and between each charging connection and at least one power converter of one of the high-voltage contactor switches.
  • the connection matrix housing can be designed analogously to the power converter housing as described above, for example, be designed by a closed housing made of a plastic or the like, in the interior of which the connection matrix and the high-voltage contactor switches are arranged.
  • the charging device has a connection matrix housing, wherein the connection matrix housing is disposed within the converter housing and within the terminal matrix housing, the connection matrix and between each charging port and the connection matrix is arranged.
  • the connection matrix is arranged within the connection matrix housing, which in turn is provided inside the converter housing.
  • the connection matrix housing is preferably designed as before, for example in the manner of a transformer housing or a part thereof.
  • all high-voltage contactor switches are arranged at a location remote from the charging connections and / or at least 5, 10 or 20 meters apart.
  • the separate location may be, for example, a separate room or a separate building.
  • the high-voltage contactor switches can be arranged within the connection matrix or between the connection matrix and the power converters in a separate room, for example at the edge of a parking space, while the charging connections are arranged directly at the individual parking bays of the parking lot. More preferably, the high-voltage contactor switches are arranged at least 50, 100 or 150 meters away from the charging terminals.
  • the charging connections are designed and / or configured without a high-voltage contactor switch so that a power exchange with the electric vehicle is possible without switching a high-voltage contactor switch arranged in the charging connection.
  • the charging device has a plurality of connecting cables with a length of at least 5, 10 or 20 meters, wherein between each charging port and the connection matrix a connection cable for exchanging power with the electric vehicle is provided.
  • the connection cable has a length of at least 50, 100 or 150 meters, wherein the length may also be greater.
  • the connection cable between the charging port and the connection matrix is permanently installed, for example, within the soil of a parking lot to which the charging device is installed.
  • connection matrix can be designed in many ways.
  • the connection matrix for connecting at least two power converters to a charging connection is arranged or for simultaneously connecting at least one power converter with at least one charging connection and at least one other power converter with another charging connection such that the one charging connection is not connected to the other charging connection and / or connecting the at least one power converter to the at least one charging connection through the connection matrix can be controlled by decision rules.
  • the connection matrix is further preferably configured such that the charging connections and power converters connected to the connection matrix can be connected in different ways.
  • power from at least one of the power converters can be distributed to different or several charging connections.
  • the electrical connection between at least one of the power converters as input and at least one of the charging connections as output from a mechanical switch, Solid State Switch, circuit breaker, security element, passive semiconductor or a combination thereof.
  • connection matrix preferably has a control unit in order to control an operation of the connection matrix.
  • the connection matrix can be controlled on the basis of an input from a system connected via the Internet, by the electric vehicle and / or by a computer-implemented method.
  • a bidirectional communication channel can be provided between the electric vehicle and the charging device, by means of which the charging device can read out the charging power supported by the electric vehicle and / or the electric vehicle can request a charging power from the charging device.
  • the request can be implemented by the connection matrix by connecting several power converters, for example by connecting different power converters in parallel, which correspondingly increases the power for charging the electric vehicle.
  • connection matrix has a plurality of semiconductor-based power switch for connecting the at least one power converter to the at least one charging connection.
  • the circuit breaker arranged within the connection matrix and / or between the connection matrix and the power converter is preferably also configured as a semiconductor-based power switch, for example as an IGBT, as a contactor and / or for switching direct currents up to 350 A or 500 A.
  • the charging port has, according to a preferred development, a human-machine interface, a tempering set up for cooling and / or heating the charging port, an input unit, Central Control, and / or an interface for monitoring the charging process, charge protocol interface, CPI , on.
  • the man-machine interface is designed, for example, as a single-use device.
  • the tempering can be configured in the manner of an air conditioner with a water and / or air cooling.
  • Within the converter housing described above and / or the terminal matrix housing may also be a tempering for cooling and / or heating of the corresponding Housing may be provided, which may be connected to the temperature control of the charging port.
  • the charging device has a monitoring device, wherein the charging connection is set up to detect a charging error during the exchange of power with the electric vehicle and to report the charging error to the monitoring device.
  • the charging error may represent, for example, a voltage and / or current drop, a short circuit or the like.
  • the monitoring device is preferably designed by a computer-based control and / or is in operative connection with the high-voltage contactor switch. Accordingly, the power exchange with the electric vehicle can be interrupted by turning off the high-voltage contactor switch or by disconnecting the relevant power converter from the power source.
  • the monitoring device is set up to detect a conversion error to the power converters and turn off the conversion error caused converter after detection of the conversion error.
  • the monitoring device is further configured, after detection of the conversion error to connect another power converter to the charging port, so that the electric vehicle can be further charged without interruption.
  • the switching off of the high-voltage contactor switch causing the conversion error can be effected by switching off the high-voltage contactor switch correspondingly connected to the power converter.
  • the interruption of the power exchange with the electric vehicle can also be done by removing a charging plug from the charging port, for example by ejecting the charging plug.
  • FIG. 1 shows a charging device for electric vehicles according to a first preferred embodiment of the invention in a schematic view
  • Fig. 2 shows the charging device for electric vehicles according to a further preferred embodiment of the invention in a schematic view
  • Fig. 3 shows the charging device for electric vehicles according to yet another preferred embodiment of the invention in a schematic view.
  • the charging device has a plurality of charging terminals 2, a plurality of power converters 3 and a switchable connection matrix 4.
  • the charging ports 2 are each adapted to exchange power with a respective electric vehicle 1, which is electrically connected to the charging port 2 by means of a connecting cable 5.
  • the charging ports 2 are each designed for DC charging according to the standard IEC 62196, wherein the charging cable 5 is connected at its one end to the respective charging port 2 and at its other end has a connector according to said standard.
  • a corresponding charging socket or coupling is provided on the electric vehicle 1, into which the plug-in connector of the charging cable bels 5 is inserted.
  • Each charging port 2 has various controls, such as a human-machine interface 6 with a display and input device, a tempering device 7, by means of which the charging port 2 can be cooled and heated, and an input unit 8, Central Control, and an interface for monitoring Charging 9, Charge Protocol Interface, CPI.
  • the charging ports 2 are each arranged at least 20 meters away from the connection matrix 4 and electrically connected to the connection matrix 4 by means of a connecting cable 10, which likewise has a length of at least 20 meters.
  • the connection cable 10 is designed to exchange electrical power.
  • a power converter housing 1 1 within which all power converters 3, the connection matrix 4 and all high-voltage contactor switch 12 are arranged at one edge of the parking lot ,
  • the power converter housing 1 1 is weatherproof made of a plastic with metal content and installed at least 20 meters away from the parking bays.
  • the power converters 3 are configured as rectifiers and are connected to the connection matrix 4 on the DC voltage side. On the alternating voltage side, the power converters 3 are connected together to a secondary side of a transformer 13. On the primary side, the transformer is connected to a power grid as a power source 14. Thus, each power converter 3 serves to convert the electric power supplied from the power source 14 into a suitable format for charging the electric vehicle 1 with DC power.
  • the connection matrix 4 has a plurality of semiconductor-based power switches 15 in order to connect at least one power converter 3 to at least one charging connection 2.
  • the connection matrix 4 is controllable on the basis of decision rules. In the configuration shown in FIG. 1, by closing the two semiconductor-based power switches 15, all three power converters 3 can be connected in parallel. If every electricity judge 3 can convert an electric power of 150 kW, in this case, a single electric vehicle 1 with 450 kW loadable. According to the concretely shown in Fig. 1 configuration with non-closed semiconductor-based power switch 15 on the one hand, the electric vehicle 1 shown above provided by the power converter 3 shown above electric power and on the other hand in parallel to the below shown electric vehicle 1 with provided by the power converter 3 shown below electrical Power to be charged.
  • the charging device described is characterized in that in the charging port 2 no high-voltage contactor 12, at least not for switching the electric power for charging the electric vehicle, is arranged.
  • the high-voltage contactor switches 12 are arranged inside the converter housing 1 1, as shown in FIGS. 1 and 2, or within a connection matrix housing 16, as shown in FIG. 3, between the power converters 3 and the charging terminals 2.
  • the connection matrix 4, the power converter housing 1 1 and the high-voltage contactor switch 12 are drawn as a closed parts; but the parts can also be combined completely or partially.
  • connection matrix 4 is arranged within the closed connection matrix housing 1 6, which is arranged together with the power converters 3 within the converter housing 1 1.
  • all high-voltage contactor switches 12 are arranged within the connection matrix housing 1 6, one high-voltage contactor switch 12 being provided between each charging connection 2 and the semiconductor-based power switches 15 of the connection matrix 3.
  • the high-voltage contactor switches 12 are thus arranged on the output side of the connection matrix 4 both inside the converter housing 1 1 and inside the connection matrix housing 1 6.
  • the high-voltage contactor switches 12 are connected between each power converter 3 and the connection matrix 4. orderly. However, the high-voltage contactor switches 12 are provided outside the connection matrix housing 1 6 within the converter housing 1 1.
  • FIG. 3 shows a combination of high-voltage contactor switch 12 with the semiconductor-based circuit breakers of the connection matrix 4, which, however, are all arranged within the connection matrix 4, within the connection matrix housing 16 and also within the converter housing 11 ,
  • the proposed charging device ensures that when the high-voltage contactor switch 12 is switched off, a short circuit occurring in the charging connection 2 or any other mechanical damage to the charging connection 2, for example due to an accident of the electric vehicle 1, does not lead to an electric arc, spark-through or other danger for life or the electric vehicle 1 leads. Accordingly, the probability of failure of the proposed charging device compared to known from the prior art solutions is much lower.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
EP18717081.6A 2017-04-20 2018-04-18 Ladeeinrichtung für elektrofahrzeuge Withdrawn EP3612408A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17167217 2017-04-20
PCT/EP2018/059876 WO2018192960A1 (de) 2017-04-20 2018-04-18 Ladeeinrichtung für elektrofahrzeuge

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EP3612408A1 true EP3612408A1 (de) 2020-02-26

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EP (1) EP3612408A1 (zh)
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WO (1) WO2018192960A1 (zh)

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Publication number Priority date Publication date Assignee Title
US11230202B2 (en) * 2019-12-16 2022-01-25 Abb Schweiz Ag Multiple vehicle charging system
JP7403415B2 (ja) 2020-08-25 2023-12-22 ニチコン株式会社 充電装置を構成する出力切替部の設計方法および制御方法
DE102020213802A1 (de) 2020-11-03 2022-05-05 Siemens Aktiengesellschaft Selektive Schnellabschaltung einer Ladevorrichtung
EP4259478A1 (en) 2020-12-08 2023-10-18 Atom Power, Inc. Electric vehicle charging system and method
DE102020134458A1 (de) * 2020-12-21 2022-06-23 innogy eMobility Solutions GmbH Anordnung zur Integration in eine Ladevorrichtung für wenigstens ein Elektrofahrzeug
DE102020134453A1 (de) * 2020-12-21 2022-06-23 innogy eMobility Solutions GmbH Anordnung zur Integration in eine Ladevorrichtung für wenigstens ein Elektrofahrzeug

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Publication number Priority date Publication date Assignee Title
JPH04358950A (ja) * 1991-05-31 1992-12-11 Honda Motor Co Ltd 電動式車両
US5594318A (en) * 1995-04-10 1997-01-14 Norvik Traction Inc. Traction battery charging with inductive coupling
US7135836B2 (en) * 2003-03-28 2006-11-14 Power Designers, Llc Modular and reconfigurable rapid battery charger
NL2004746C2 (en) * 2010-05-19 2011-11-22 Epyon B V Charging system for electric vehicles.
JP2012050158A (ja) * 2010-08-24 2012-03-08 Suzuki Motor Corp 電動車両
US8981718B2 (en) * 2012-05-25 2015-03-17 Nissan North America, Inc. Serial multi-vehicle quick charge station
WO2014174842A1 (ja) * 2013-04-24 2014-10-30 パナソニックＩｐマネジメント株式会社 電力変換システム、コネクタ
JP2014230301A (ja) * 2013-05-17 2014-12-08 株式会社エネルギー応用技術研究所 急速充電用電力供給システム
DE102014216878A1 (de) * 2014-08-25 2016-02-25 Robert Bosch Gmbh Ladevorrichtung für Elektrofahrzeuge sowie Verfahren und Vorrichtung zum Betreiben einer solchen Ladevorrichtung
US9713961B2 (en) * 2015-03-17 2017-07-25 GM Global Technology Operations LLC Method and system for control of contactor

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WO2018192960A1 (de) 2018-10-25
CN110799378A (zh) 2020-02-14
US20200052507A1 (en) 2020-02-13
CN110799378B (zh) 2023-04-14

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