WO2024088626A1 - Robot de charge pour charger un accumulateur d'énergie électrique d'un véhicule - Google Patents

Robot de charge pour charger un accumulateur d'énergie électrique d'un véhicule Download PDF

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Publication number
WO2024088626A1
WO2024088626A1 PCT/EP2023/074457 EP2023074457W WO2024088626A1 WO 2024088626 A1 WO2024088626 A1 WO 2024088626A1 EP 2023074457 W EP2023074457 W EP 2023074457W WO 2024088626 A1 WO2024088626 A1 WO 2024088626A1
Authority
WO
WIPO (PCT)
Prior art keywords
robot
charging
interface module
unit
vehicle
Prior art date
Application number
PCT/EP2023/074457
Other languages
German (de)
English (en)
Inventor
Alexander Ewald
Jan PILARSKI
Bernhard Hoess
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
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 Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Publication of WO2024088626A1 publication Critical patent/WO2024088626A1/fr

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
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices 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
    • B60L53/11—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

Definitions

  • the invention relates to a charging robot for charging an electrical energy storage device of a (motor) vehicle.
  • Vehicles with electric drive contain electrical energy storage devices (e.g. batteries) that can be connected to a charging station and charged via a charging device in the vehicle.
  • electrical energy storage devices e.g. batteries
  • AC charging the charger, which converts the direct current (also known as DC current) to charge the electrical energy storage device, is located in the vehicle.
  • An AC (alternating current) or alternating current is transmitted on a charging cable between the charging station, in particular the wallbox, and the vehicle.
  • DC charging a DC (direct current) or direct current is transmitted on the charging cable.
  • DC charging is often also referred to as fast charging, since the charging power for DC charging is typically higher than that for AC charging.
  • a charging robot can therefore be used that is set up to automatically establish the connection between the charging plug and the charging socket.
  • This document deals with the technical task of providing a particularly efficient charging robot for charging the electrical energy storage system of a vehicle.
  • a charging robot for charging an electrical energy storage device of a (motor) vehicle (in particular a passenger car or truck or bus or motorcycle) is described.
  • the charging robot comprises a base unit that has an interface module of a first type that is designed to form a plug connection with an interface module of a charging station (in particular a wall box) of a complementary second type.
  • the base unit can be designed to be attached to a wall (e.g. next to the charging station, in particular the wall box).
  • An interface module of the first type can comprise or be a charging socket or charging receptacle, in particular a charging socket or charging receptacle according to IEC 62196-3.
  • An interface module of the second type can comprise or be a charging plug, in particular a charging plug according to IEC 62196-3. It should be noted that the aspects described in this document are applicable to any form of interface module, in particular to any standard.
  • the loading robot further comprises a robot unit having a robot interface module configured to communicate with a vehicle Interface module of a vehicle to form an electrically conductive connection, in particular a plug connection.
  • the robot interface module is an interface module of the second type.
  • the vehicle interface module is an interface module of the first type.
  • the robot unit can be designed to move itself and/or the robot interface module of the robot unit over a floor in order to position the robot interface module of the robot unit relative to the vehicle interface module of a vehicle (and thus to automatically establish an electrically conductive connection, in particular a plug connection, between the two interface modules).
  • the robot unit can comprise one or more sensors which are designed to capture sensor data relating to the environment of the robot unit and/or one or more actuators (e.g. electric motors) which are designed to move the robot unit and/or the robot interface module of the robot unit.
  • the charging robot further comprises a connecting element (in particular a connecting cable) which is designed to electrically connect the interface module of the base unit to the robot interface module of the robot unit (in particular via individual electrical lines).
  • a connecting element in particular a connecting cable
  • the interface module of the base unit and the robot interface module of the robot unit can each comprise a plurality of power contact parts for transmitting electrical energy for charging the electrical energy storage device of a vehicle.
  • the connecting element of the charging robot can have a plurality of lines, each of which is designed to electrically connect the corresponding power contact parts of the interface module of the base unit and the robot interface module of the robot unit to one another in a one-to-one manner.
  • the interface module of the base unit and the robot interface module of the robot unit can each comprise one or more communication contact parts for transmitting data for controlling a charging process.
  • the connecting element of the charging robot can have one or more lines, each of which is designed to electrically connect the one or more corresponding communication contact parts of the interface module of the base unit and the robot interface module of the robot unit to one another in a one-to-one manner.
  • connection element of the charging robot can in particular be designed in such a way that a charging process of the electrical energy storage device of a vehicle coupled to the robot interface module of the robot unit can be controlled via the connection element from a charging station coupled to the interface module of the base unit.
  • a charging station separate from the charging robot can thus be used to control a charging process that takes place via the charging robot (e.g. in accordance with a specific standard, such as IEC 62196 or IEC 61851).
  • the connecting element of the charging robot can be designed in such a way that electrical energy for charging the electrical energy storage device can be provided from the charging station via the connecting element.
  • the conversion of the electrical energy for a charging process (in particular an AC/DC conversion) that takes place via the charging robot can thus be effected in the charging station that is separate from the charging robot. It is therefore not necessary to provide a charger within the charging robot.
  • the charging robot can in particular be designed to effect a DC charging process and/or an AC charging process of the electrical energy storage device of a vehicle coupled to the robot unit using a charging station coupled to the base unit.
  • a charging robot is thus described which is designed to use a separate charging station, in particular a wall box, to control charging processes that take place via the charging robot and/or to supply them with electrical energy. In this way, a particularly efficient charging robot can be provided.
  • the charging robot can have a locking mechanism for locking the plug connection between the interface module of the base unit and the interface module of a charging station.
  • the charging robot can also have an unlocking element (e.g. an unlocking button and/or an unlocking sensor) which is designed to enable a user to release the lock caused by the locking mechanism.
  • an unlocking element e.g. an unlocking button and/or an unlocking sensor
  • the charging robot in particular the base unit, can comprise a power supply module that is designed to provide electrical energy for operating one or more components of the charging robot, in particular one or more sensors and/or actuators of the charging robot, from an electrical supply network (e.g. from a 230V network). This enables reliable and efficient operation of the charging robot.
  • a power supply module that is designed to provide electrical energy for operating one or more components of the charging robot, in particular one or more sensors and/or actuators of the charging robot, from an electrical supply network (e.g. from a 230V network). This enables reliable and efficient operation of the charging robot.
  • the charging robot in particular the base unit, can comprise a control unit that is set up to control the charging robot in order to establish an electrically conductive connection, in particular a plug connection, between the robot interface module of the robot unit and the vehicle interface module of a vehicle.
  • the connecting element can comprise one or more lines for communication with and/or for supplying energy to one or more components, in particular one or more sensors and/or actuators, of the robot unit. This enables particularly reliable and efficient operation of the charging robot.
  • FIG. 1 is a block diagram of an exemplary charging system
  • Figure 2 shows an example of the contact arrangement of a charging socket of a vehicle
  • Figure 3 shows an example charging robot.
  • FIG. 1 shows a block diagram of an exemplary charging system with a charging station 110 (e.g. a wall box) and a vehicle 100.
  • the vehicle 100 comprises an electrical energy storage device (not shown) that can be charged with electrical energy from the charging station 110.
  • the vehicle 100 comprises a charging socket 101 (generally referred to as an interface module) to which a corresponding (charging) plug 111 of a charging cable 112 can be plugged.
  • the charging socket 101 and the plug 111 typically form a plug system.
  • the charging cable 112 can be permanently connected to the charging station 110 (as shown).
  • the charging cable 112 can be connected to the charging station 110 via a plug connection (e.g. for AC charging).
  • the charging socket 101 is attached to the vehicle 100.
  • plug standard IEC 62196-3 Combo 1, Combo 2, DC Type 1, DC Type 2.
  • Fig. 2 shows an example Combo 2 charging socket 101 with a plurality of contact parts 201, 202, 203, 204, 205, 206, 207, 211, 212.
  • the contact part (also referred to as a pin) 202 can be used for transmitting a pilot signal (and connected to a pilot line of the charging cable 112).
  • the contact part 201 can be used for transmitting a proxy signal.
  • the contact parts 201, 202 can also be referred to as communication contact parts because they are configured to transmit communication signals for communication between the charging station 110 and the vehicle 100 with respect to controlling the charging process.
  • the contact part 205 can be used for the N conductor of an AC current and the contact part 203 can be used for a first phase LI of the AC current.
  • the contact part 207 can be used for a second phase L2 of the AC current.
  • the contact part 206 can be used for a third phase L3 of the AC current.
  • the contact parts 203, 205, 206, 207 can be referred to as power contact parts or AC contact parts because they are configured to transmit electrical current for charging the electrical storage of the vehicle 100.
  • the contact part 204 can provide a connection to ground.
  • the charging cable 112 comprises corresponding lines for the contact parts 201, 202, 203, 204, 205, 206, 207 (possibly only for some of the contact parts 201, 202, 203, 204, 205, 206, 207).
  • the charging socket further comprises contact parts 211, 212 for DC charging, which can be used for a minus polarity or for a plus polarity of the DC current, for example.
  • the contact parts 211, 212 can be referred to as DC contact parts and/or as power contact parts.
  • a charging station 110 can optionally be designed to only have DC contact parts 211, 212 or only AC Contact parts 203, 205, 206, 207 to provide electrical energy for a charging process.
  • the control unit of the charging station 110 can be set up to inform the vehicle 100, by means of pulse width modulation (e.g. between 7% and 97% duty cycle) of the pilot signal, which current intensity or charging power (possibly maximum) can be provided by the charging station 110.
  • the pilot signal can oscillate between two predefined levels at a predefined frequency (e.g. 1 kHz).
  • IEC 61851-1 An example of such a level and/or PWM-based communication protocol is the IEC 61851-1 standard. This standard defines various modes, with Mode 3 and Mode 4 being particularly relevant in connection with charging at a charging station 110. In particular, Mode 3 is relevant for AC charging and Mode 4 is relevant for DC charging at a charging station 110. Another exemplary standard for charging processes is, as described above, IEC 62196.
  • the charging station 110 can be designed as a charging robot that is designed to automatically insert the charging plug 111 into the charging socket 101 of a vehicle 100.
  • the charging robot has a control unit that is designed to communicate with the vehicle 100 in order to control a charging process.
  • the charging robot may have an AC/DC or AC/AC converter that is designed to provide and/or control the charging power for the charging process.
  • the provision of such a charging robot is associated with a relatively high hardware and software outlay.
  • Fig. 3 shows a system 300 with a charging robot 350 that is designed to use components of an existing charging station 110, in particular an existing wall box, so that the charging robot 350 can be provided in a particularly efficient manner.
  • the charging robot 350 comprises a base unit 310 that can be attached to a wall 302, for example.
  • the charging robot 350 also has a robot unit 320 that is designed to be movable, in particular to position the charging plug 111 of the charging robot 350, which is arranged on the robot unit 320, on the charging socket 101 of a vehicle 100 and to plug it into the charging socket of the vehicle 100.
  • the robot unit 320 is designed to move across the floor 301, for example to be able to establish a plug connection with a charging socket 101 arranged on the underbody of a vehicle 100.
  • the robot unit 320 can have a robot arm, e.g. to be able to place the charging plug 111 on one side of the vehicle 100.
  • the base unit 310 of the charging robot 350 comprises a charging socket 101 into which the charging plug 111 of the charging station 110 can be plugged.
  • This charging socket 101 is connected to the charging plug 111 of the robot unit 320 via a connecting element 312 of the base unit 310.
  • the individual contact parts 201, 202, 203, 204, 205, 206, 207, 211, 212 of the charging socket 101 of the base unit 310 can be connected one-to-one to the corresponding contact parts 201, 202, 203, 204, 205, 206, 207, 211, 212 of the charging plug 111 of the robot unit 320 (by individual lines in the connecting element 312).
  • the base unit 310 can be designed to lock the plug connection between the charging plug 111 of the charging station 110 and the charging socket 101 of the base unit 310.
  • An unlocking element 313 e.g. a button and/or a sensor
  • By providing a lock a particularly safe charging process can be made possible, since It can be seen that the plug connection between charging plug 111 of the
  • Charging station 110 and charging socket 101 of the base unit 310 are released under load.
  • the robot interface module 111 of the robot unit 320 is designed as a charging plug (corresponding to the charging plug 111 of the charging station 110). Furthermore, the vehicle interface module 101 of a vehicle 100 is designed as a charging socket. It should be noted that a different type of connection can also be used for the electrically conductive (plug-in) connection between the robot unit 320 and a vehicle 100. The use of the same type of connection as between the charging station
  • the charging socket of the vehicle 100 is to be used, which is also used for direct connection to a charging station 110.
  • the base unit 310 can comprise a power supply module 311, e.g. with an AC/DC converter, which is designed to provide electrical energy from a power supply network, e.g. from a 230V network, in order to operate the charging robot 350.
  • the power supply module 311 can be connected, e.g. (for example via a plug connection) to a power supply network (for example to a socket 303 of the power supply network).
  • the power supply module 311 can comprise a voltage converter.
  • the electrical energy for charging the electrical energy storage device of a vehicle 100 is not provided via the power supply module 311, but via the charging socket 101 of the base unit 310 from the charging station 110.
  • the charging robot 350 in particular the base unit 310, can have a control unit 315 which is set up to control the robot unit 320 in order to automatically establish the plug connection between the charging plug 111 of the robot unit 320 and the charging socket 101 of a vehicle 100.
  • the charging robot 350 in particular the base unit 310, can have Robot unit 320, one or more sensors (not shown) are provided which are designed to detect the environment of the robot unit 320.
  • the connecting element 312 between base unit 310 and robot unit 320 can have one or more additional lines (in addition to the lines of the charging cable 112 of the charging station 110), e.g. to supply one or more components of the robot unit 320 with electrical energy and/or to control the one or more components of the robot unit 320.
  • one or more functions can be provided in a base unit 310 of a charging robot 350,
  • Standard charging interface 101 for the continued use of an AC or DC wallbox 110 which may already be installed and can be used simultaneously with one or more other electrically powered vehicles 100 (e.g. a BEV, Battery Electric Vehicle, or PHEV, Plug-in Hybrid Electric Vehicle) which do not have a charging robot device in the vehicle 100.
  • a BEV Battery Electric Vehicle
  • PHEV Plug-in Hybrid Electric Vehicle
  • a voltage converter e.g. 230 volts to low voltage
  • the permanent voltage supply of the electrical components of the charging robot 350 e.g. as part of the power supply module 311).

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

Abstract

L'invention concerne un robot de charge (350) conçu pour charger un accumulateur d'énergie électrique d'un véhicule (100). Ce robot de charge (350) comprend une unité de base (310) qui comporte un module d'interface (101) d'un premier type conçu pour former une connexion enfichable avec un module d'interface (111) d'une station de charge (110) d'un deuxième type complémentaire, et une unité de robot (320) comprenant un module d'interface de robot (111) conçu pour former une connexion enfichable avec un module d'interface de véhicule (101) d'un véhicule (100). Le robot de charge (350) comprend en outre un élément de connexion (312) qui est conçu pour connecter de manière électroconductrice le module d'interface (101) de l'unité de base (310) au module d'interface de robot (111) de l'unité de robot (320).
PCT/EP2023/074457 2022-10-28 2023-09-06 Robot de charge pour charger un accumulateur d'énergie électrique d'un véhicule WO2024088626A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022128692.4 2022-10-28
DE102022128692.4A DE102022128692A1 (de) 2022-10-28 2022-10-28 Laderoboter zum Laden eines elektrischen Energiespeichers eines Fahrzeugs

Publications (1)

Publication Number Publication Date
WO2024088626A1 true WO2024088626A1 (fr) 2024-05-02

Family

ID=88016363

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/074457 WO2024088626A1 (fr) 2022-10-28 2023-09-06 Robot de charge pour charger un accumulateur d'énergie électrique d'un véhicule

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DE (1) DE102022128692A1 (fr)
WO (1) WO2024088626A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013041133A1 (fr) * 2011-09-21 2013-03-28 Siemens Aktiengesellschaft Procédé et dispositif pour charger un véhicule électrique
US20170129357A1 (en) * 2015-11-10 2017-05-11 Jianhui Zheng Automatic Charging System for Electric Vehicles
WO2019118350A1 (fr) * 2017-12-11 2019-06-20 Zoox, Inc. Charge par dessous de caisse de batteries de véhicule
DE102018203162A1 (de) * 2018-03-02 2019-09-05 Bayerische Motoren Werke Aktiengesellschaft Stecksystem zum Laden eines elektrischen Energiespeichers
DE102019218573A1 (de) * 2019-11-29 2021-06-02 Volkswagen Aktiengesellschaft Ladedose, Ladestecker, Laderoboter und Verfahren zum pilotierten Laden eines Elektro- oder Plugin-Hybridfahrzeuges

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015015698A1 (de) 2015-12-04 2017-06-08 Audi Ag Energiezuführeinrichtung und Energiezuführsystem zur Zuführung von Energie in ein Kraftfahrzeug
DE102019128720B4 (de) 2019-10-24 2024-03-21 Audi Ag DC-Wallbox zur Ladung eines Elektrofahrzeuges
DE102021130777A1 (de) 2021-11-24 2023-05-25 Audi Aktiengesellschaft Ladeanordnung und Verfahren zum Laden eines Energiespeichers eines Kraftfahrzeugs mit einem Laderoboter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013041133A1 (fr) * 2011-09-21 2013-03-28 Siemens Aktiengesellschaft Procédé et dispositif pour charger un véhicule électrique
US20170129357A1 (en) * 2015-11-10 2017-05-11 Jianhui Zheng Automatic Charging System for Electric Vehicles
WO2019118350A1 (fr) * 2017-12-11 2019-06-20 Zoox, Inc. Charge par dessous de caisse de batteries de véhicule
DE102018203162A1 (de) * 2018-03-02 2019-09-05 Bayerische Motoren Werke Aktiengesellschaft Stecksystem zum Laden eines elektrischen Energiespeichers
DE102019218573A1 (de) * 2019-11-29 2021-06-02 Volkswagen Aktiengesellschaft Ladedose, Ladestecker, Laderoboter und Verfahren zum pilotierten Laden eines Elektro- oder Plugin-Hybridfahrzeuges

Also Published As

Publication number Publication date
DE102022128692A1 (de) 2024-05-08

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