WO2019095385A1 - Modular charging system and method for automatically charging electric vehicles - Google Patents

Modular charging system and method for automatically charging electric vehicles Download PDF

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Publication number
WO2019095385A1
WO2019095385A1 PCT/CN2017/111939 CN2017111939W WO2019095385A1 WO 2019095385 A1 WO2019095385 A1 WO 2019095385A1 CN 2017111939 W CN2017111939 W CN 2017111939W WO 2019095385 A1 WO2019095385 A1 WO 2019095385A1
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Prior art keywords
charging
automated
unit
storage device
electrical energy
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PCT/CN2017/111939
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English (en)
French (fr)
Inventor
Sinan KARABURUN
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Bayerische Motoren Werke Aktiengesellschaft
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Application filed by Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Priority to PCT/CN2017/111939 priority Critical patent/WO2019095385A1/en
Priority to CN201780096090.0A priority patent/CN111247024B/zh
Priority to DE112017008215.3T priority patent/DE112017008215T5/de
Publication of WO2019095385A1 publication Critical patent/WO2019095385A1/en

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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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/68—Off-site monitoring or control, e.g. remote control
    • 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
    • B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/67—Controlling two or more 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
    • 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
    • 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
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12—Remote or cooperative charging
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Definitions

  • the present disclosure relates to a modular charging system and a method for automatically charging electric vehicles in a parking facility.
  • Electric vehicles for example electrically operated two-wheelers, scooters and motor vehicles, but also partially electrically operated motor vehicles are known.
  • Partially electrically operated vehicles are vehicles with hybrid drive which, in addition to an electric motor, comprises a further energy converter, often a conventional internal combustion engine.
  • Hybrid drive concepts can be classified according to their system structure (serial, parallel or power-splitting hybrid) , but also according to the proportion of electrical power (micro hybrid, mild hybrid, full hybrid or range extender) .
  • Plug-in hybrids Plug-in Hybrid Electric Vehicles, PHEVs are an extension of this hybrid technology.
  • one or more power sources for example charging stations or electric charging stations are installed in more and more public and private parking facilities or parking constructions, such as parking blocks, larger parking lots, etc.
  • the electric charging stations are occupied even though the charging process of the vehicles parked there has already been completed.
  • the user of an electric vehicle cannot charge the electrical energy storage device and thus cannot take the next planned trip.
  • the object of the present disclosure is to provide a solution, which enables a flexible, efficient and automatic implementation of charging processes of electric vehicles in parking facilities.
  • a modular charging system for automatically charging the electrical energy storage device of an electric vehicle in a parking facility comprising:
  • At least one automated charging unit having a power storage
  • a plurality of automated energy units each having a power storage, wherein the power storages are configured to store a predeterminable amount of current
  • At least one backend server which is designed
  • the charging request includes position data and charge data
  • the automated charging unit is designed to connect the power storage with the electrical energy storage device and to charge the latter;
  • electric vehicle refers in particular to passenger cars, trucks, buses, caravans, motorcycles, etc. with a purely electric drive or as a plug-in hybrid.
  • the backend server is a central data pool and it can include a computing device and a memory means, e.g. a database, in which data can be centrally or central-controlled and vehicle-externally stored, managed and processed. It can be required that the user of each electric vehicle firstly performs a one-time registration of the electric vehicle on the backend server (for example, set up a suitable account) .
  • the one-time registration can include the storage of a suitable vehicle identification number (ID) .
  • the parking facility can be, for example, an underground car park, a parking place, or a facility providing other parking lots or parking possibilities, or any combination thereof.
  • the electric vehicle can comprise a communication unit.
  • the communication unit is capable of establishing a communication link with other communication participants, e.g. other vehicles, a backend server, etc.
  • the communication unit can comprise a participant identity module or a subscriber identity module or a SIM card, which serves to establish a communication link via a mobile radio system.
  • the participant identity module identifies the communication unit in the mobile radio network uniquely.
  • the communication link may be a data link (e.g. packet switching) and/or a line-bound communication link (e.g. line switching) .
  • a wireless communication link via other conventional and future technologies e.g. local area networks (LANs) , e.g. Wireless Fidelity (WiFi) , wireless LANs etc. can be established via the communication unit with other communication participants. Any communication between the electric vehicle and other communication participants can take place via the communication unit.
  • LANs local area networks
  • WiFi Wireless Fidelity
  • the automated charging unit and the automated energy units can be self-driving or autonomously driving robot units, which are designed to move in the parking facility automatically.
  • the charging units and energy units each can comprise a communication unit, which corresponds to the above-mentioned communication unit of the electric vehicle.
  • Each automated charging unit and each automated energy unit may include a power storage.
  • the power storage is designed to store a predeterminable or predetermined amount of electrical energy and then to output it.
  • the charging unit and the energy units are thus mobile charging stations or mobile charging robots.
  • the backend server can receive a charging request for the electric vehicle.
  • the charging request may include position data of the vehicle as well as charge data.
  • the position data may include data to a geographical location, which can be captured by using a navigation satellite system.
  • the navigation satellite system can be any conventional or future global navigation satellite system or Global Navigation Satellite System (GNSS) for position determination and navigation by receiving the signals from navigation satellites and/or pseudolites.
  • GNSS Global Navigation Satellite System
  • it can be the Global Positioning System (GPS) , GLObalNAvigation Satellite System (GLONASS) , Galileo, positioning system, and/or BeiDou Navigation Satellite System.
  • GPS Global Positioning System
  • GLONASS GLObalNAvigation Satellite System
  • Galileo Galileo
  • positioning system and/or BeiDou Navigation Satellite System
  • BeiDou Navigation Satellite System BeiDou Navigation Satellite System.
  • the electric vehicle or a mobile terminal can comprise a GPS module, which is designed and/or configured to determine actual GPS position data of the electric vehicle or of a mobile terminal.
  • the position data can comprise a position of a digital map of the parking facility, wherein the position data can be identified and/or detected by the electric car.
  • the backend server and/or the electric vehicle can have a digital parking facility stored in a storage unit. This is particularly advantageous in car parks and parking garages, in which a wireless communication is not possible or is not possible to cover all areas.
  • the parking request may include a unique identification number of the parking place occupied by the electric vehicle. The unique identification can, for example, be readable or attached at each parking place in a readable manner in the form of a QR code.
  • the charge data can include technical charge data of the electric vehicle, e.g. one type of charging possibility of the electrical energy storage device (for example, the required type of charging cable according to IEC 62196 or DIN standard DIN EN 62196, inductive charging, etc. ) .
  • the technical charge data can include a charging capacity of the energy storage device and/or an actual charging state of the energy storage device.
  • the charging request can be, for example, in the form of a request or an inquiry in the sense of the client-server paradigm, transmitted to a backend server.
  • the backend server can request the automated charging unit to move to the vehicle according to the received position data.
  • the backend server can send or transmit, via the communication unit, a message or request to move to the vehicle autonomously.
  • the message can include the position data and/or technical data received from the vehicle.
  • the coupling or the connecting of the power storage with the electrical energy storage device can differ from each other in particular in accordance with the type of charging possibilities of the electrical energy storage device.
  • the coupling unit of the charging unit can be designed and/or configured to connect the power storage with the electrical energy storage device in an electromagnetic manner. This can be achieved if the technical parameters of the charge data include that the electrical energy storage device can be inductively charged.
  • the actuator unit of the charging unit can be designed and/or configured to connect the power storage with the power source by means of a suitable charging cable.
  • the actuator unit can comprise an articulated arm and thus can be an articulated arm robot.
  • the articulated arm robot can comprise a sensor unit, which allows the articulated arm robot to connect the power storage via a plug unit of the charging cable with the electrical energy storage device.
  • the sensor unit can include e.g. one or more force sensors and/or one or more torquesensors.
  • the sensors can be mounted on the actuator unit such that it enables a connection of the power storage with the electrical energy storage device in a manner known in the prior art.
  • the choice of the plug type can be implemented on the basis of the charge data, which in this case include the required type of charging cable.
  • the automated charging unit can be designed to establish the connection of the power storage with all conventional electrical energy storage devices according to their charging possibilities or charging capacities.
  • the charging system can include a plurality of different automated charging units, wherein at least one charging unit has the connection type, which is required to charge each conventional or future electrical energy storage device.
  • the automated charging unit can connect the power storage with the electrical energy storage device and charge the latter.
  • the backend server can determine a number of automated energy units, which are required according to the charge data, to charge the electrical energy storage device.
  • each power storage can store a predeterminable or predetermined amount of energy. This predetermined amount can be stored in the storage unit of the backend server.
  • the charge data of the charging request can include the charging capacity of the energy storage device and the actual charging state of the energy storage device. From these data, the backend server can determine the number of automated energy units that are required to fully charge the energy storage device or to charge it according to the received charge data.
  • the technical charge data can include a charging amount desired by the user of the electric vehicle and/or a planned departure time and/or a next destination. These parameters can be taken into account correspondingly when determining the number of automated energy units. The amount of current stored in the automated charging unit or its power storage is also taken into account.
  • the backend server requests the determined number of automated energy units to move to the automated charging unit.
  • the backend server can send or transmit, via the communication unit, a message or request to move to the vehicle autonomously.
  • the message can include the position data received from the vehicle.
  • the request can also include coupling with the automated charging unit in such a way that the power storage of each energy unit can charge the electrical energy storage device.
  • a modular and mobile charging system in which mobile charging robots, which are suitable for the charging type of the electric vehicle, are applied in a parking facility. Because of the modularity for each electric vehicle, only a predetermined amount of stored electrical energy, which is required for the respective charging process, is provided for an electric vehicle to be charged.
  • the charging request is automatically transmitted from the electric vehicle to the backend server, when the charging state of the electrical energy storage device falls below a predeterminable or predetermined charging amount.
  • the predefined charging state is at 50%(or any other suitable charging state) of the charging capacity of the electrical energy storage device.
  • a computing unit of the electric vehicle can, e.g. based on the actual geographic position or in any other suitable way, ascertain that this electric vehicle is located on the parking facility or enters the parking facility. Now, the computing unit can check whether the actual charging state of the energy storage device falls below the predefined charging state. If this is the case, the electric vehicle can automatically transmit the charging request to the backend server.
  • the predefined charging state can be modified at any time by the user of the vehicle via an input and output unit in the vehicle and/or via a mobile terminal.
  • the charging request can be transmitted via a mobile terminal to the backend server.
  • a mobile terminal is a device that is able to wirelessly communicate in a mobile network via Local Area Networks (LANs) , e.g. Wireless Fidelity (WiFi) , or via Wide Area Networks (WANs) , e.g. Global System for Mobile Communication (GSM) , General Packet Radio Service (GPRS) , Enhanced Data Rates for Global Evolution (EDGE) , Universal Mobile Telecommunications System (UMTS) , High Speed Downlink /Uplink Packet Access (HSDPA, HSUPA) , Long-Term Evolution (LTE) , or World Wide Interoperability for Microwave Access (WIMAX) . Communication via other conventional or future communication technologies is possible.
  • GSM Global System for Mobile Communication
  • GPRS General Packet Radio Service
  • EDGE Enhanced Data Rates for Global Evolution
  • UMTS Universal Mobile Telecommunications System
  • HSDPA High Speed Downlink /Uplink Packet Access
  • LTE Long-Term Evolution
  • WIMAX World Wide Intero
  • mobile terminal includes, in particular, smartphones, but also other mobile telephones or cell phones, Personal Digital Assistants (PDAs) , Tablet PCs as well as all conventional and future electronic devices, which are equipped with a technology for running Internet browsers and/or loading and running of apps.
  • PDAs Personal Digital Assistants
  • Tablet PCs as well as all conventional and future electronic devices, which are equipped with a technology for running Internet browsers and/or loading and running of apps.
  • the mobile terminal can be linked with the electric vehicle or the user of the electric vehicle by means of a previously determined, suitable authentication method via a server -for example, the backend server.
  • a server for example, the backend server.
  • authentication methods all conventional and future authentication methods come into consideration, such as knowledge (e.g. user name and password, PIN, security question, etc. ) , possession (e.g. SIM card, certificate, smartcard) , biometrics (e.g. fingerprint, facial recognition) and any combination of the individual authentication methods.
  • the charging request can thus be transmitted by the user of the electric vehicle independently of his geographical position to the backend server. This increases the operability and flexibility of the charging system.
  • each automated energy unit is configured to be decoupled during charging of the electrical energy storage device and to move to a power source, when the power storage is discharged, so as to recharge the power storage.
  • the power source can be a commercial household socket or a safety plug socket, a wall charging station or wall box, or a single charging column or a charging column of a charging station.
  • the automated energy units can couple to the automated charging unit or another automated energy unit such that all the power storages can charge the electrical energy storage device. After the coupling, the power storage of the last coupled automated energy unit can be first discharged. When the power storage is discharged, the automated energy unit can automatically move to an energy source or a current source, and the next power storage for charging the energy storage device is used, as explained in more detail below with reference to Figs. 3A-3E.
  • the power storages 148 of the automated energy units 140 can thus be charged and be available more quickly for the next charging process.
  • a method for modularly, automatically charging the electrical energy storage device of an electric vehicle in a parking facility comprising:
  • an automated charging unit which includes a power storage configured to store a predefinable amount of current, to move to the electric vehicle according to the position data;
  • each automated energy unit comprises a power storage configured to store a predefinable amount of current
  • the charging request is automatically transmitted from the electric vehicle to the backend server, when the charging state of the electrical energy storage device falls below a predeterminable or predetermined charging amount.
  • the charging request is transmitted via a mobile terminal to the backend server.
  • each automated energy unit is designed to be decoupled during charging of the electrical energy storage device and to move to a power source, when the power storage is discharged, so as to recharge the power storage.
  • Fig. 1 shows a schematic modular charging system for automatically charging the electrical energy storage device of an electric vehicle in a parking facility
  • FIG. 2 schematically shows three exemplary modular automated charging scenarios
  • Fig. 3A-3E show the schematic sequence of a modular automated charging scenario
  • Fig. 4 shows a flow diagram illustrating a method for modularly, automatically charging the electrical energy storage device of an electric vehicle in a parking facility.
  • Fig. 1 shows schematic modular charging system 100 for automatically charging the electrical energy storage device 118 of an electric vehicle 110 in a parking facility.
  • the charging system 100 is designed and/or configured to implement a method 300 for modularly, automatically charging the electric energy storage 118 of the electric vehicle 110.
  • the exemplary implementation of charging processes by the charging system 100 is explained in more detail with reference to Figs. 2 and 3A-3E.
  • the method 300 is explained exemplary in more detail with reference to Fig. 4.
  • the term electric vehicle 110 includes, in particular, passenger cars (PKW) , trucks (LKW) , buses, caravans, motorcycles, etc. with a purely electric drive or as a plug-in hybrid.
  • the electric vehicle 110 can include a communication unit 112, which is capable of establishing a communication link with other communication participants, e.g. the backend server 120. Each communication with the vehicle 110 can be carried out via the communication unit 112.
  • the parking facility (not shown) can be, for example, an underground car park, a parking lot, or a facility providing any other parking places or parking possibilities or any combination thereof.
  • the charging system 100 includes at least one backend server 120.
  • the backend server 120 is a central data pool and can include a computing device (not shown) as well as a memory device 125, e.g. a database.
  • a memory device 125 e.g. a database.
  • data can be centrally or centrally-controlled and vehicle-externally stored, managed and processed. It can be required that the user 152 of each electric vehicle 110 first perform a one-time registration of the electric vehicle 110 on the back-end server 120 (for example, setting up a suitable account) .
  • the one-time registration can include the storage of a suitable vehicle identification number (ID) as well as other parameters described below.
  • ID vehicle identification number
  • the charging system 100 includes at least one automated charging unit 130.
  • the automated charging unit 130 can be a self-driving or autonomously driving robot unit 130, which is configured to move in the parking facility automatically.
  • the charging unit 130 can comprise a communication unit 132, which corresponds to the communication unit 112 of the electric vehicle 110.
  • the automated charging unit 130 includes a power storage 138, which is configured to store a predeterminable or predetermined amount of electrical energy and output it again.
  • the charging unit 130 is thus a mobile charging station or a mobile charging robot 130. It can be required that each automated unit 130 is firstly registered once at the backend server 120. At the same time, at least one suitable unique identification number can be stored in the storage unit 125 of the backend server 120.
  • the automated charging unit 130 can comprise a coupling unit 135 and/or an actuator unit 136, which are configured to connect the power storage 138 with the electric energy storage device 118 of the vehicle 110 and to charge the same, as explained in more detail below.
  • the charging system 100 comprises a plurality of automated energy units 140.
  • Each energy unit 140 comprises a communication unit 142, which corresponds to the communication unit 112 of the vehicle 110.
  • Each energy unit 140 includes a power storage 148, which is designed to store a predeterminable or predetermined amount of electrical energy and output it again.
  • the energy unit 140 is a mobile charging station or a mobile charging robot 140, which is configured to couple by means of a coupling unit 145 to an automated charging unit 130 or another automated energy unit 140 such that the electrical energy in the power storage 148 can be used to charge the electrical energy storage device 118 of the electric vehicle 110. It can be required that, first, each automated energy unit 140 is registered once at the backend server 120.
  • a charging capacity of the power storage138 can be stored in the memory unit 125.
  • the automated charging unit 140 can be designed and/or configured to notify the backend server 120 via the communication unit 142, when the power storage 148 is charged.
  • the backend server 120 can receive a charging request for the electric vehicle 110 in a first step 310.
  • the charging request can be transmitted automatically from the electric vehicle 110 to the backend server 120, when the charging state of the electrical energy storage device 118 falls below a predeterminable or predetermined charging amount.
  • it can be stored in a suitable memory unit in the vehicle (not shown) in such a way that the predefined charging state is at 50%of the charging capacity of the electrical energy storage device 118.
  • a computing unit, e.g. the control unit 114 of the electric vehicle 110 can, for example based on the current geographic position (see below) or in any other suitable manner, ascertain that the vehicle is located on or in the parking facility or enters the parking facility.
  • the computing unit 114 can then evaluate whether the current charging state of the energy storage device 118 falls below the predefined charging state.
  • the actual charging state of the energy storage device 118 is stored in a suitable memory unit in conventional electrical vehicles 110 and is displayed to the user 145. If falling below the predefined charging state, the electric vehicle 110 can automatically generate the charging request and transmit it via the communication unit 112 to the backend server 120.
  • an inadvertent forgetting of the charging process is thus avoided.
  • the user 152 of the vehicle 110 e.g. its owner, authorized driver, etc., can manually transmit the charging request via a suitable input and output unit 116 -e.g. the infotainment system of the electric vehicle 110 -to the backend server 120.
  • a suitable input and output unit 116 e.g. the infotainment system of the electric vehicle 110 -to the backend server 120.
  • the user 152 of the vehicle can transmit the charging request to the backend server 120 via a mobile terminal 150.
  • the mobile terminal 150 can be linked to the electric vehicle 110 or the user 152 of the electric vehicle 110 by means of a previously determined, suitable authentication method through a server -for example, the backend server 120.
  • the charging request can thus be transmitted to the backend server 120 by the user 152 of the electric vehicle 110 independently of his geographical position. This improves the operability and flexibility of the charging system 110.
  • the charging request includes position data and charge data.
  • the position data can include data about a geographical position that can be captured with the aid of a navigation satellite system.
  • the electric vehicle 110 and/or the mobile terminal 150 can comprise a GPS module, which is configured and/or designed to determine the current GPS position data of the electric vehicle 110 or of the mobile terminal 150 and, if necessary, transmit it to the control unit 114 of the electric vehicle.
  • the position data can include data about a position of a digital map of the parking facility, which data can be identified and/or detected (e.g. read-in via a camera) by the electric vehicle 110.
  • the backend server 120 and/or the electric vehicle 110 can have stored a digital map of the parking facility in a storage unit 125. This is particularly advantageous in car park and parking garages, in which wireless communication is not possible or is not possible to cover all areas.
  • the parking request can include a unique identification number of the parking place, which is occupied by the electric vehicle 110. The unique identification can be attached, for example in the readable manner or in the form of a QR code, at each parking place of the parking facility.
  • the charge data can include technical charge data of the electric vehicle 110, e.g. one type of charging possibilities of the electrical energy storage devices 118 (for example, the required type of charging cable according to IEC 62196 or DIN-standard DIN EN 62196, inductive charging, etc. ) . Additionally or in alternative to that, the technical charge data can include a charging capacity of the energy storage device 118 and/or a current charging state of the energy storage device 118.
  • technical charge data of the electric vehicle 110 e.g. one type of charging possibilities of the electrical energy storage devices 118 (for example, the required type of charging cable according to IEC 62196 or DIN-standard DIN EN 62196, inductive charging, etc. ) .
  • the technical charge data can include a charging capacity of the energy storage device 118 and/or a current charging state of the energy storage device 118.
  • the charging request can be transmitted to the backend server 120, for example in the form of a request or an inquiry in the sense of the client-server paradigms.
  • the backend server 120 can evaluate the charging request by means of the computing unit and, in a next step 320, request an automated charging unit 140 to go or move to the electric vehicle 110 corresponding to the received position data.
  • the automated charging unit 130 can include a control unit 133, which is configured to autonomously move the charging unit 130 to the position corresponding to the position data in a manner known in the art.
  • the automated charging unit 130 is designed to connect the power storage138 with the electrical energy storage device 118 of the electric vehicle 110 and to recharge the power storage.
  • the automated charging unit 130 comprises a coupling unit 135 and/or an actuator unit 136, so as to connect the power storage138 with the electrical energy storage 118.
  • the coupling or the connection of the power storage138 with the electrical energy storage device 118 can differ from each other, in particular according to the type of charging possibilities of the electrical energy storage device 118.
  • the coupling unit 135 of the charging unit 135 can be configured and/or designed to electromagnetically connect the power storage138 with the electrical energy storage device 118. This can be achieved if the technical parameters of the charge data include that the electrical energy storage device 118 can be charged inductively.
  • the actuator unit 136 of the charging unit 130 can be configured and/or designed to connect the power storage 118 with the power source or current source 220 by means of a suitable charging cable (not shown) .
  • the actuator unit 136 can comprise an articulated arm and thus be an articulated arm robot.
  • the articulated-arm robot can comprise a sensor unit 134, which enables the articulated-arm robot 136 to connect the power storage138 via a plug unit of the charging cable with the electrical energy storage device 118.
  • the sensor unit 134 can for example comprise one or more force sensors and/or one or more torque sensors.
  • the aforementioned sensors can be attached to the actuator unit 136 in such that it enables the connection of the power storage 138 with the electrical energy storage device 118 in a manner known in the art.
  • the choice of plug type can be made based on the charge data, which in this case includes the required type of charging cable.
  • the automatic charging unit 130 can be configured to establish the connection of the power storage 138 with all conventional electrical energy storage devices 118 in accordance with their charging possibilities or charging capabilities.
  • the charging system 100 can include a plurality of different automated charging units 130, wherein at least one charging unit 130 has a connection type required to charge each conventional or future electrical energy storage device 118.
  • the electrical energy storage device 118 is charged with the electrical energy in the power storage 138.
  • the power storage 138 can store only a predetermined amount of electrical energy, which can be less than the storage capacity of the conventional energy storage device 118.
  • the predetermined amount comprises 10%of the average storage capacity of the conventional electrical energy storage device 118. Therefore, the backend server 120 is designed to determine, in a next step 330, a number of automated energy units 140, which are required according to the charge data to charge the electrical energy storage device 118.
  • the power storage 148 of each automated energy unit 140 can store a predeterminable or predetermined amount of energy. This predetermined amount can be stored in the storage unit of the backend server 120.
  • each energy unit can be 10%of the average storage capacity of the conventional electrical energy storage devices 118.
  • any other suitable storage capacity can be predetermined.
  • the storage capacity can be stored globally in the memory unit 125 of the backend server 120 for each power storage 148, 138.
  • the charge data of the charging request can include the charge capacity of the energy storage device 118 and the conventional charging state of the energy storage device 118. From this data, the backend server 120 can determine the number of automated energy units 140, which are required to charge the energy storage device 118 in accordance with the charging requirement (full charge, desired amount of charge, charging to a desired departure time or until a desired next destination is reached, etc. ) . In particular, the amount of current stored in the automated charging unit 130 or its power storage138 can also be taken into account.
  • the backend server 120 requests a determined number of automated energy units 140 to move to the automated charging unit 130.
  • the backend server 120 can send or transmit a message or a request via the communication unit 142 to a control unit 143 to autonomously move to the automated charging unit 130 according to the position data received with the charging request.
  • the automated energy unit is configured to couple to or connect with the automated charging unit 130 or another automated energy unit 140, such that the electrical energy storage device 118 can be charged via the power storage 148 of the respective energy unit 140.
  • the automated energy unit 140 comprises a coupling unit 145 and a sensor unit 144 comprising suitable sensors for coupling.
  • the electrical energy storage device 118 can be charged.
  • a modular and mobile charging system 100 in which mobile charging robots 130, 140 (i.e., automated charging units 130 and automated energy units 140) are modularly applied in a parking facility.
  • mobile charging robots 130, 140 i.e., automated charging units 130 and automated energy units 140
  • a predetermined amount of stored electric energy is provided to an electric vehicle 110 to be charged, because the amount of energy to be charged is used to determine the number of required energy units 140 and to use for the charging process.
  • Each automated energy unit 140 can be designed to move to a power source or current source 220 during the charging process of the electrical energy storage device 118, when the power storage 148 is discharged, so as to recharge the power storage 148.
  • the power source 220 can be a commercial household socket or a safety plug socket, a wall charging station or wallbox, or a single charging column or a charging column of a charging station.
  • the automated energy units 140 can couple to the automated charging unit 130 or another automated energy unit 140 such that all the power storages 138, 148 can charge the electrical energy storage device 118.
  • the power storage 148 of the last coupled automated energy unit 140 can first be discharged.
  • the last coupled automated energy unit 140 can automatically move to a power source 220, so as to charge the empty power storage 148.
  • the power storage 148 of the automated energy unit 140 or the automated charging unit 130, which is coupled in the previous step, can now be used for charging the energy storage device 118, as explained in more detail below with reference to Figs. 3A-3E.
  • the charging unit 130 can also move to the power source 220 to recharge the power storage 138. If the power storage 138, 148 is charged, the charging unit 130 or energy unit 140 can transmit a corresponding standby-message to the backend server 120.
  • the power storages 148 of the automated energy units 140 can thus be charged more quickly for a next charging process and thus be available faster for the next charging process.
  • Fig. 2 schematically shows three exemplary modular automated charging scenarios in a parking facility. These exemplary embodiments can be realized as described above with reference to Fig. 1.
  • Fig. 2 shows a first parking place or a parking bay 210A in the parking facility, in which a first electric car 110_A parks.
  • a corresponding charging request was received at the backend server 120.
  • each power storage 138, 148 of the automated charging unit 130 and the automated energy unit 140 can store the amount of current of a charging quantity.
  • the backend server 140 has requested the automated charging unit 130 to move to the electric vehicle 110_A and to charge the electrical energy storage device 118_A.
  • the backend server has also determined that two automated energy units 140 are required to provide the required amount of three charging quantities. These automated energy units have moved to the parking place 210A, so as to charge the energy storage device 118_A.
  • a second electric car 110_B is parked, for which a charging request has been received at the backend server 120.
  • a charging amount of five charging quantities is required or desired for charging the electrical energy storage device 118_B. Therefore, in addition to the automated charging unit 130, four energy units 140 are coupled to the electrical energy storage device 118_B or to the previous energy unit 140, respectively, so as to charge the electrical energy storage device 118_B.
  • a third electric car 110_C is parked, for which a charging request has been received at the backend server 120.
  • a charging amount of nine charging quantities is required or desired for charging the electrical energy storage device 118_C. Therefore, in addition to the automated charging unit 130, eight energy units 140 are coupled to the electrical energy storage device 118_C or to the respective previous energy unit 140, so as to charge the electrical energy storage device 118_C.
  • FIG. 2 thus shows that the automated charging unit 130 couples or connects the power storage 138 to the electrical energy storage device 118_A, 118_B, 118_C with the aid of the coupling unit 135 and/or actuator unit 136.
  • a first automated energy unit 140 is coupled to the automated charging unit 130, a second automated energy unit 140 and the first energy unit 140, etc.
  • the stored electrical energy can be efficiently adapted to the charging requirements of the individual electric vehicles 110_A, 110_B, and 110_C.
  • FIGS. 3A-3E schematically illustrate the flow of an exemplary modular automated charging scenario.
  • Fig. 3A shows the first parking bay 210A for better illustration, as described above with reference to Fig. 2.
  • the electric vehicle 110_A is parked, for which a charging request has been received at the backend server 120.
  • the automated charging unit 130 has moved to the electric vehicle 110 according to the received position data and connected the power storage 138 of the automated charging unit with the electrical energy storage device 118A, so as to charge the latter.
  • a charge amount of three charging quantities is required or desired for the electrical energy storage device 118_A.
  • the backend server 120 has thus determined that two automated energy units 140A and 140B are required to be possible to provide the required amount of three charging quantities.
  • the automated energy unit 140A has coupled to the automated charging unit 130, such that its power storage 148 of the automated energy unit can charge the electrical energy storage device 118_A.
  • the automated energy unit 140B has been coupled to the automated energy unit 140A, such that the power storage 148 of the automated energy unit can also charge the electrical energy storage device 118_A. Now, the electrical energy stored in the automated energy unit 140B (or its power storage 148) is discharged, so as to charge the energy storage device 118_A.
  • Fig. 3C shows the next step.
  • the automated energy unit 140B is decoupled from the automated energy unit 140A.
  • the energy storage device of the automated energy unit 140A is being discharged.
  • Fig. 3D shows that the decoupled automated energy unit 140B has moved to a power source 220 to recharge the power storage 148.
  • the power storage 148 of this module (or of this automated energy unit 140B) is already charged before the charging process of the electrical energy storage device 118_A has ended.
  • the automated energy unit 140B can be applied or prepared faster and more efficiently for a next charging process.
  • Fig. 3E shows the state after the power storage 148 of the automated energy unit 140A has been discharged.
  • the energy unit 140A is decoupled from the charging unit 130 and autonomously moves to the power source 220, so as to charge its power storage 148.
  • the remaining energy of the charging unit 130 is then used to charge the energy storage device 118_A.
  • the charging unit 130 can also autonomously move to the power source 220, so as to recharge the power storage138 of the charging unit (not shown) .
  • Fig. 4 shows a flowchart, which illustrates a method 300 for modularly, automatically charging the electrical energy storage device 118 of an electric vehicle 110 in a parking facility, as described above with reference to Figs. 1, 2, and 3A-3E.
  • the steps of method can be implemented as described with reference to Figs. 1, 2 and 3A-3E.
  • the method 300 includes receiving 310 a charging request to charge the electric vehicle 110, wherein the charging request includes position data and charge data.
  • the charging request can be transmitted automatically from the electric vehicle 110 to the backend server 120, if the charging state of the electrical energy storage device 118 falls below a predeterminable charging amount. Additionally or in alternative to that, the charging request can be transmitted to the backend server 120 via a mobile terminal 150 and/or via a suitable, vehicle-side input and output unit 116.
  • the method 300 includes requesting 320 an automated charging unit 130, which includes a power storage 138 that is configured to store a predefinable amount of current, to move to the electric vehicle 110 according to the position data.
  • the method 300 includes determining 330 a number of automated energy units 140, which are required to charge the electrical energy storage device 118 according to the charge data, wherein each automated energy unit includes a power storage 148, which is configured to store a predefinable amount of current.
  • the method 300 includes requesting 340 the determined number of automated energy units 140 to move to the electric vehicle 110 according to the position data, wherein the automated energy units 140 are designed to couple to the automated charging unit 130 or another energy unit 140 such that the energy storage devices 138, 148 can charge the electrical energy storage device118.
  • the method 300 includes charging 350 of electrical energy storage device 118 according to the charge data.
  • Each automated energy unit 140 can be configured to be decoupled during charging 350 of the electrical energy storage device 118 and to move to a power source or current source 220, when the power storage 148 of the automated energy unit is discharged, so as to recharge the power storage 148.

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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)
PCT/CN2017/111939 2017-11-20 2017-11-20 Modular charging system and method for automatically charging electric vehicles WO2019095385A1 (en)

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PCT/CN2017/111939 WO2019095385A1 (en) 2017-11-20 2017-11-20 Modular charging system and method for automatically charging electric vehicles
CN201780096090.0A CN111247024B (zh) 2017-11-20 2017-11-20 用于自动地给电动车辆充电的模块化充电系统和方法
DE112017008215.3T DE112017008215T5 (de) 2017-11-20 2017-11-20 Modulares Aufladesystem und Verfahren zum automatischen Aufladen von Elektrofahrzeugen

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