WO2023242252A1 - Fiche de charge et procédé de charge pour un véhicule électrique - Google Patents

Fiche de charge et procédé de charge pour un véhicule électrique Download PDF

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Publication number
WO2023242252A1
WO2023242252A1 PCT/EP2023/065931 EP2023065931W WO2023242252A1 WO 2023242252 A1 WO2023242252 A1 WO 2023242252A1 EP 2023065931 W EP2023065931 W EP 2023065931W WO 2023242252 A1 WO2023242252 A1 WO 2023242252A1
Authority
WO
WIPO (PCT)
Prior art keywords
charging plug
fingerprint sensor
charging
connection device
electric vehicle
Prior art date
Application number
PCT/EP2023/065931
Other languages
German (de)
English (en)
Inventor
Michael GERKENS
Marcel JOVIC
Original Assignee
Weidmüller Interface GmbH & Co. KG
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 Weidmüller Interface GmbH & Co. KG filed Critical Weidmüller Interface GmbH & Co. KG
Publication of WO2023242252A1 publication Critical patent/WO2023242252A1/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
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
    • 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
    • B60L53/30—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
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/30—Preventing theft during charging
    • B60L2270/32—Preventing theft during charging of electricity

Definitions

  • the invention relates to a charging plug and a charging method for an electric vehicle with a handle part and a plug-in section arranged at a front end of the handle part.
  • Electric vehicles are connected to a direct or alternating current supply line in order to charge one or more traction batteries for ferry operations or to otherwise supply the electric vehicle's consumption.
  • connection devices in the form of boxes or columns have been established that are set up in private or public traffic areas and to which electric vehicles can be connected for charging.
  • Junction boxes are usually mounted on a wall and are called a “wall-box”.
  • Charging stations are usually free-standing.
  • signal or data lines are usually also arranged in the connection cable, which enable signal or data exchange between the connection device and the vehicle in order to exchange or coordinate parameters of the charging process .
  • the electric vehicle releases the delivery of charging power from the connection device via the signal or data lines if suitable parameters for the charging process are available and have been set by the vehicle or the connection device.
  • connection devices are often equipped with authorization mechanisms to prevent unauthorized use of the connection device.
  • authorization mechanisms are known, for example the use of an electromechanical key switch, the use of card readers or the use of a fingerprint sensor that is mounted on the connection device.
  • the object of the present invention is to provide an authorization mechanism that is easy to use and which, in particular, should also be suitable for subsequent use in a connection device.
  • a charging plug according to the invention of the type mentioned at the beginning is characterized in that a fingerprint sensor is arranged on the charging plug.
  • the fingerprint sensor on the charging plug can be used to authorize a charging process on a connection device.
  • the positioning on the charging plug makes the fingerprint sensor very convenient to use, since the charging plug has to be grasped by the user anyway to plug it into the vehicle to start the charging process.
  • the arrangement of the fingerprint sensor on the charging plug offers the possibility of retrofitting the fingerprint sensor even in connection devices that are not equipped with a fingerprint sensor or another type of authentication option.
  • Control lines via which the connection device communicates with the electric vehicle as standard can advantageously be used for this purpose. If an evaluation unit arranged in the charging plug is set up to manipulate the communication that is used anyway for a specific charging standard in order to exchange parameters of the charging process or release signals, the authorization mechanism can mechanism can be retrofitted to a connection device without changing it.
  • the fingerprint sensor is arranged on the handle part of the charging plug, preferably in a front section in the insertion direction. It can, for example, be arranged on a side that points upwards after the connection cable has been plugged into the electric vehicle. Even when the cable is plugged in, authorization can be carried out by placing the appropriate finger on it. Further preferably, the fingerprint sensor is positioned so that its position can be easily identified haptically. For example, it can be arranged in a depression or on an elevation, which means that the user can find the fingerprint sensor even in the dark or when there is insufficient lighting.
  • a lighting device on the charging plug, through which the fingerprint sensor or its position can be recognized even in the dark.
  • the lighting device can, for example, include a backlight of the fingerprint sensor or its sensor surface and/or be designed such that the fingerprint sensor or its sensor surface is surrounded by a luminous edge.
  • a sensor surface of the fingerprint sensor is set up as a screen (display) for displaying information.
  • the fingerprint sensor can be used to display data about the charging process, for example. Feedback, operating instructions or other information can also be provided to the user without the need for an additional display option on the charging plug.
  • a method according to the invention relates to charging an electric vehicle on a connection device via a connection cable connected to it, at the end of which a charging plug is arranged.
  • the method is characterized in that the charging plug has a fingerprint sensor, wherein an imprint of a placed finger is analyzed, the imprint is compared with stored imprints and, depending on a result of the comparison, release information is output to the connection device.
  • the release information is output to the connection device via control lines of the connection cable.
  • Direct transmission to the connection device via control lines of the connection cable can be provided.
  • signals forwarded to the electric vehicle can also be manipulated depending on the release information on the control lines of the connection cable. The manipulation of the signals represents an indirect output of the release information.
  • provision can be made for the release information to be output wirelessly to the connection device.
  • At least one authentication feature in particular a digital certificate, is issued by the fingerprint sensor for authenticating a user to the electric vehicle and/or the connection device.
  • Fig.1 is an isometric representation of a charging plug and a socket
  • Fig. 2 is an isometric representation of only the charging plug from a perspective different from Fig. 1.
  • FIG. 1 and 2 an exemplary embodiment of a charging plug 10 according to the invention is shown in an isometric drawing from different viewing directions.
  • FIG 1 the charging plug 10 is shown together with a socket 20 in a position shortly before the charging plug 10 is inserted into the socket 20 or shortly after the charging plug 10 is removed from the socket 20.
  • Figure 2 shows the charging plug 10 separately.
  • the charging plug 10 has a handle part 11, which is slightly curved in the illustrated embodiment. Towards the front, free end, the handle part 11 ends with a collar 12, from which a plug-in section 13 protrudes. Plug contacts are arranged in the plug-in section 13 (not visible in FIGS. 1 and 2). In the figures, only an outer sleeve of the plug-in section 13 is shown, which surrounds the contacts and in which locking openings 14 are located. These serve to lock an inserted charging plug 10 with the help of corresponding extendable latches of the socket 20.
  • connection cable 16 is coupled to a connection device, either connected directly to it or in turn via a plug designed comparable to the charging plug 10.
  • the charging plug 10 and the socket 20 are designed here as “Type 2” as an example. These “Type 2” plugs or sockets are widely used in AC charging technology for electric vehicles. They provide five power contacts to provide three-phase alternating current over three phase conductors plus neutral and earth conductors. In addition, control lines are provided which are transmitted via the two upper contacts 23 visible in FIG. 1 at the socket 20.
  • a control line from the connection device is supplied with a pulse width modulated (PWM) signal.
  • PWM pulse width modulated
  • the maximum charging current that can be provided by the connection device is transmitted to the electric vehicle in code via pulse width modulation, specifically the duty cycle defined therein. If the proposed charging current is suitable for the electric vehicle, it responds with a release signal by changing an impedance of the control line.
  • the phase conductors are then supplied with alternating voltage for charging through the connection device. It is understood that the inventive design of the charging plug 10 presented below can also be transferred to other types of charging plugs other than those of “Type 2”.
  • a fingerprint sensor 17 is arranged on the charging plug 10.
  • the fingerprint sensor 17 is positioned on an elevation 18 which is located adjacent to the collar 12 in a front section of the handle part 11.
  • the fingerprint sensor 17 is located on an upper side of the handle part 11.
  • a fingerprint can be read by placing the user's finger on the fingerprint sensor 17, which is compared with stored fingerprints and is evaluated as an authorization feature for the use of the connection device.
  • the fingerprint sensor 17 is arranged in the charging plug 10 and that this is connected to a corresponding evaluation unit in the area of the connection device via a data connection, which can be routed, for example, through the connection cable 16. Integration into the connection device can be done easily if the connection device has the evaluation unit required for this.
  • the evaluation unit can be arranged in a separate housing, for example next to the connection device.
  • Connection devices often have at least one release connection to which a potential-free switch can be connected, for example a key switch.
  • a release connection of a connection device can be used by the evaluation unit that is coupled to the fingerprint sensor 17.
  • an evaluation unit directly into the charging plug 10.
  • a voltage supply can, for example, take place via the PWM signal that is present on the control lines.
  • the fingerprint sensor 17 advantageously has such a low power consumption that the communication between the electric vehicle and the connection device is not impaired, in particular that Power supply through the fingerprint sensor 17 is not already evaluated by the connection device as a release signal.
  • An energy buffer for example a rechargeable battery or a capacitor with a large capacity, is then preferably present in order to supply the fingerprint sensor 17 and possibly the evaluation unit with power even if no power is taken from the PWM signal.
  • a release signal can then be passed on to the connection device via additional lines in the connection cable 16.
  • the positioning of the fingerprint sensor 17 on the handle part 11 shown already enables simple and intuitive operation, which is possible even in poor lighting conditions thanks to the haptically detectable elevation 18.
  • the elevation 18 or a trough
  • it can be provided to optically mark the area of the fingerprint sensor 17, for example by backlighting a sensor surface of the fingerprint sensor 17 and/or in which, for example, a luminous edge is arranged around the sensor surface.
  • authorization using the fingerprint sensor 17 can also be used to prioritize charging processes using the charging plug 10 according to the registration. This is a particularly conceivable option for pool charging devices, for example on company premises.
  • a personal tariffing of charging current can also be implemented using the fingerprint sensor 17, which saves the user from the hassle of additional identification, for example using credit cards or the like, at the charging device.
  • the fingerprint sensor 17 and/or the integrated evaluation unit can also be provided with an authentication feature, for example a digital certificate, in order to authenticate themselves to upstream entities and/or the vehicle.
  • the digital certificate can include identification features of the finger print sensor 17 and/or the evaluation unit, for example an identification number that was already clearly assigned during production. For example, it can be ensured that a release signal generated by the internal evaluation unit of a charging plug 10 is actually authorized to activate the charging device to which the charging plug 10 is coupled. This is a development that is particularly advantageous for charging devices with connecting cables 16 that are not firmly attached.
  • vehicle data can be read out, which relate, for example, to charging processes, usage cycles, stress, a charging history and so on .
  • Other data relating to the motor vehicle which is regularly read out, for example as part of maintenance or inspection processes, can also be made accessible via the charging plug 10 or - as with software updates - transferred to the vehicle.
  • the fingerprint sensor 17 offers the possibility of implementing user-specific rights management. For example, certain users can only be granted access to non-critical vehicle data, whereas the vehicle's fault memory or other critical data can only be read by other users. It can also be provided that the option of importing software updates into the vehicle via the charging plug 10 is also subject to rights management using the finger print sensor 17.
  • the possibility of transmitting vehicle data via the charging plug 10 can also be used to identify a vehicle relative to the charging device to which the charging plug 10 is connected and in this way, for example, to set vehicle-specific tariffs for the charging current purchased.

Landscapes

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

Abstract

L'invention concerne une fiche de charge (10) pour un véhicule électrique, comprenant une partie de préhension (11) et une partie d'enfichage (13) disposée au niveau d'une extrémité avant de la partie de préhension (11). La fiche de charge (10) est caractérisée par un capteur d'empreintes digitales (17) disposé sur celle-ci. L'invention concerne également un procédé de charge d'un véhicule électrique au niveau d'un dispositif de connexion au moyen d'un câble de connexion (16), qui est connecté au dispositif de connexion et à l'extrémité duquel est disposée une fiche de charge (10), la fiche de charge (10) ayant un capteur d'empreintes digitales (17) : une empreinte d'un doigt appliqué est analysée, l'empreinte est comparée à des empreintes enregistrées et, en fonction d'un résultat de la comparaison, des informations de libération sont fournies au dispositif de connexion.
PCT/EP2023/065931 2022-06-14 2023-06-14 Fiche de charge et procédé de charge pour un véhicule électrique WO2023242252A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202022103343.9 2022-06-14
DE202022103343.9U DE202022103343U1 (de) 2022-06-14 2022-06-14 Ladestecker für ein Elektrofahrzeug

Publications (1)

Publication Number Publication Date
WO2023242252A1 true WO2023242252A1 (fr) 2023-12-21

Family

ID=86896103

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/065931 WO2023242252A1 (fr) 2022-06-14 2023-06-14 Fiche de charge et procédé de charge pour un véhicule électrique

Country Status (2)

Country Link
DE (1) DE202022103343U1 (fr)
WO (1) WO2023242252A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2352208A1 (fr) * 2008-11-21 2011-08-03 Yazaki Corporation Connecteur de charge
JP2013123120A (ja) * 2011-12-09 2013-06-20 Chugoku Electric Power Co Inc:The 充電プラグ及び充電システム
DE102018120358A1 (de) * 2017-08-22 2019-02-28 Ford Global Technologies, Llc Ev-ladesteckverbinderentriegelung über biometrische eingabe
US20200164759A1 (en) * 2017-04-13 2020-05-28 EcoG GmbH Method for controlling a charging process of a vehicle at a charging post using first and second authorisation verification
US20200372143A1 (en) * 2019-05-23 2020-11-26 Volkswagen Aktiengesellschaft Method For Controlling A Security System Of A Charging Station For Charging Electric Vehicles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10348038B2 (en) 2017-07-21 2019-07-09 Ford Global Technologies, Llc Soft lock to secure an EVSE-to-EV charging connector
EP3864732A4 (fr) 2018-10-11 2022-09-28 dcbel Inc. Câble de charge intelligent

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2352208A1 (fr) * 2008-11-21 2011-08-03 Yazaki Corporation Connecteur de charge
JP2013123120A (ja) * 2011-12-09 2013-06-20 Chugoku Electric Power Co Inc:The 充電プラグ及び充電システム
US20200164759A1 (en) * 2017-04-13 2020-05-28 EcoG GmbH Method for controlling a charging process of a vehicle at a charging post using first and second authorisation verification
DE102018120358A1 (de) * 2017-08-22 2019-02-28 Ford Global Technologies, Llc Ev-ladesteckverbinderentriegelung über biometrische eingabe
US20200372143A1 (en) * 2019-05-23 2020-11-26 Volkswagen Aktiengesellschaft Method For Controlling A Security System Of A Charging Station For Charging Electric Vehicles

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Publication number Publication date
DE202022103343U1 (de) 2023-09-22

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