WO2020187536A1 - Dispositif de véhicule pour la liaison électrique d'un véhicule à moteur à une station de charge fixe, véhicule à moteur et système de charge - Google Patents

Dispositif de véhicule pour la liaison électrique d'un véhicule à moteur à une station de charge fixe, véhicule à moteur et système de charge Download PDF

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Publication number
WO2020187536A1
WO2020187536A1 PCT/EP2020/054976 EP2020054976W WO2020187536A1 WO 2020187536 A1 WO2020187536 A1 WO 2020187536A1 EP 2020054976 W EP2020054976 W EP 2020054976W WO 2020187536 A1 WO2020187536 A1 WO 2020187536A1
Authority
WO
WIPO (PCT)
Prior art keywords
connections
locking
connection
vehicle
contact element
Prior art date
Application number
PCT/EP2020/054976
Other languages
German (de)
English (en)
Inventor
Kirill BEDER
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2020187536A1 publication Critical patent/WO2020187536A1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for 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
    • 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
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • Vehicle device for electrically connecting a motor vehicle to a stationary charging station, motor vehicle and charging system
  • the invention relates to a vehicle device for electrically connecting a motor vehicle to a stationary charging station, the vehicle device having at least two connections for a respective connection element, in particular a charging plug, of the charging station, the connections and the
  • Contact elements are designed to produce at least one electrical connection between the charging device and the charging station by coupling one of the contact elements to one of the connections.
  • the invention also relates to a motor vehicle with such a
  • Vehicle devices of the type mentioned are known from the prior art.
  • vehicles that are electrically drivable often have a vehicle device that includes two, in particular, different connections for coupling to a charging station.
  • Connections can be coupled to a contact element of the charging station in order to establish an electrical connection from the vehicle to the charging station.
  • the contact elements usually also have a ground conductor or protective conductor (PE conductor), which is also electrically connected to the charging system of the motor vehicle through the coupling is connected. It is known to monitor the functionality of the (electrical) coupling by means of the protective conductor. If a charging station has two contact elements, these are often designed for different current outputs, so that they also have different or at least their own protective conductors that are dimensioned for the currents to be expected. However, as soon as at least two connections of the vehicle equipment with one each
  • the vehicle device according to the invention with the features of claim 1 has the advantage that a simultaneous coupling of two contact elements, each with a connection of the vehicle device, is not possible, as a result of which the above-mentioned problem cannot occur.
  • the vehicle device has a locking device which prevents the coupling of a contact element with one of the connections in the event that the other of the connections is already coupled with a contact element. As soon as one of the connections is already occupied by a contact element, the locking device prevents a further contact element from being coupled to the other connection.
  • the locking device acts mechanically in particular
  • connections are preferably designed as sockets in order to be able to receive the contact elements, which are in particular designed as contact plugs, in a form-fitting, secure and robust manner.
  • the connections are aligned next to one another and parallel to one another.
  • the connections are oriented differently to one another and, for example, are arranged on different sides of the motor vehicle.
  • the locking device is preferably formed by an arrangement of the connections to one another in such a way that the connections overlap or overlap in certain areas, so that only one contact element can be coupled to one of the connections. The connections are thus arranged close together that when one of the connection elements with a
  • Locking device on at least one movable cover.
  • the cover can be moved into the area of one of the connections, so that the cover prevents a contact element from being coupled to this connection in a form-fitting manner.
  • the cover is particularly preferably mounted so that it can be displaced in such a way that it always conceals either in one of the connections or in the other of the connections. Due to the cover, it is therefore not possible to release both connections at the same time. In the event that the connections are arranged next to one another, the cover can thus be pushed either over one or the other connection, around the other or the one
  • Locking device for each of the connections has its own displaceable cover, the covers preferably being coupled to one another in such a way that the one cover covers one of the connections, while the other cover exposes the other of the connections, and vice versa.
  • the covers are thus particular to one another
  • the covers are preferably mechanically coupled to one another by a hinge. This has the advantage that the connections do not have to be arranged directly next to one another or aligned parallel to one another. Rather, this also allows a spaced and differently oriented arrangement of the connections to one another, the covers then being mechanically coupled to one another by the hinge or in particular a hinge connection with one or more joints in order to fulfill the above-mentioned function.
  • the locking device preferably has at least one displaceable locking element, which optionally with the one
  • Cover or cooperates with the other cover for locking the respective cover in the position covering the associated connection.
  • By displacing the locking element it is thus brought into a locking position with one of the covers in order to hold it in the concealing position or in the locking position. This reliably prevents unauthorized opening of the cover when another connection is already coupled to a contact element.
  • the locking device preferably has a displaceable locking element for each of the covers
  • Locking element for both covers Is each a
  • a locking element for each cover, these are controlled or moved independently of one another in order to lock the respective cover and hold it in the closed position. If only one locking element is present, this can be moved from a first position in which the locking element releases one of the covers and locks it in the other, into a second position in which it releases the other cover and locks one. Multiple coupling is advantageously prevented by both variants.
  • a controllable actuator is preferably assigned to the respective locking element in order to move it.
  • the actuator is designed to work pneumatically, hydraulically and / or by an electric motor or electromagnetically, for example.
  • the actuator is formed by the covers themselves, so that manual actuation of the locking element takes place when one of the covers is displaced.
  • the locking element is mechanically coupled to the covers.
  • Locking device also has at least one control device which is designed to operate or control the actuators. This ensures safe and simple operation of the locking device, in particular the actuators.
  • connection is preferably assigned at least one sensor device for detecting that the assigned connection has been coupled to a contact element of a charging station.
  • the sensor device is expediently coupled to the control device, so that the control device, depending on the data acquired by the sensor device, the
  • Locking device controls.
  • the successful coupling or the presence of an electrical coupling between a connection and a contact element can advantageously be detected by the sensor device.
  • the respective sensor device has an optical, capacitive, electrical, electromagnetic or touching sensor in order to sense the presence of a contact element at the relevant connection.
  • the sensor device is preferably in the
  • Integrated control unit which monitors and / or carries out the charging process. As soon as an electrical coupling has taken place between the connection and the contact element, this is done by monitoring the electrical
  • connection lines of the connection can be detected anyway, so that a separate sensor element can also be dispensed with. Rather, for example, the electrical voltage and / or the electrical current is monitored at at least one electrical connection contact of the respective connection in order to recognize that coupling has taken place. According to a preferred development of the invention, the
  • Locking element which is designed and arranged in such a way that it allows a contact element to be coupled to one of the connections in a release position and, in a locking position, locks a contact element coupled to a connection to the connection or prevents a contact element from being coupled to the associated connection.
  • the locking element thus serves on the one hand as a cover for the assigned connection to prevent the coupling of a contact element to this connection, or as a holding element that holds a contact element coupled to this connection on the connection at least for the duration of the charging process, so that unauthorized removal of the contact element before the end of the charging process is prevented. Coupling or uncoupling of the contact element is only possible in the release position. This will make the
  • Locking element displaceable transversely to a coupling direction of the contact element and connection in order to lie in the locking position in the path of movement of the contact element, which prevents coupling of the contact element to the connection, or in a locking recess of the
  • the charging system according to the invention is distinguished by the design of the vehicle device according to the invention. This results in the advantages already mentioned.
  • the motor vehicle according to the invention is distinguished by the vehicle device according to the invention. This results in the advantages already mentioned. Further advantages and preferred features and combinations of features emerge in particular from what has been described above and from the claims.
  • Figure 1 shows a charging system for an electrically operated motor vehicle according to a first embodiment
  • Figure 2 shows a vehicle device of the charging system according to a
  • Figure 3 shows a third embodiment of the vehicle equipment
  • Figure 4 shows a fourth embodiment of the vehicle device
  • FIG. 5 shows a fifth exemplary embodiment of the vehicle device, each in a simplified representation.
  • FIG. 1 shows a simplified representation of a charging system 1 for a
  • the motor vehicle 2 has at least one electrical
  • the loading device has a
  • Vehicle device with at least two connections 4 and 5, which are designed as plug receptacles and each for receiving one
  • the charging system 1 also has a charging station 6, which is connected, for example, to the local power supply network and to a ground connection 7.
  • the charging station 6 has two contact elements 8 and 9, which in the present case are designed as contact plugs.
  • the connections 4, 5 on the one hand and the contact elements 8, 9 on the other hand can each have the same design. In the present case, however, they are preferably designed differently and are used to carry out different charging processes. So serve the Connection 4 and the contact element 8, for example, for carrying out a gentle charging process and the connection 5 and the contact element 9 for carrying out a fast charging process.
  • the connection 4 can thus be coupled to the contact element 8 and the connection 5 to the contact element 9 in order to establish an electrical connection between the charging device 3 and the charging station 6.
  • the contact elements 8, 9 are preferably deformable
  • An electrical line in particular at least one ground line or protective line PE1 or PE2, as shown in FIG. 1, leads through the cable and the respective contact element 8, 9.
  • a protective line there, which is connected to the vehicle ground.
  • the protective lines are monitored during operation to ensure that there is no malfunction during a
  • the advantageous locking device 10 ensures that only one protective line can always be coupled to the motor vehicle 2, which enables robust and permanent monitoring of the
  • the connections 4 and 5 are arranged close to one another and aligned parallel to one another, so that they are accessible from the same side of the motor vehicle 2.
  • the vehicle device 2 has a locking device 10 which is designed to prevent simultaneous coupling of the contact elements 8, 9 to the connections 4, 5.
  • the locking device 10 thus ensures that only one of the contact elements 8, 9 is always coupled to a connection 4, 5.
  • Locking device 10 has a displaceably mounted cover 11.
  • the cover 11 is for example on a housing 12 of the
  • Vehicle device 2 displaceable in a plane transversely to the coupling direction stored, as indicated by a double arrow 13.
  • the cover 11 is mounted in such a way that it can be displaced in front of the connection 4 and in front of the connection 5.
  • the cover 11 is designed and supported so large that it can only release one of the connections 4, 5.
  • the displacement path of the cover 11 is limited in such a way that it is always in the
  • Access area of one of the connections 4, 5 is located.
  • connection 4 or the connection 5 can thus be covered and thus locked, so that a coupling with the matching
  • FIG. 2 shows a further exemplary embodiment of the vehicle device 2 in a simplified top view of the connections 4, 5.
  • the locking device 10 is now characterized in that the connections 4, 5 overlap in an area 14, as in FIG 2 by the intersecting or overlapping inner contours of the connections 4, 5.
  • the circles drawn in FIG. 2 show the inner wall contour of the respective
  • Connector receptacle The overlap in area 14 ensures that only one of the connector plugs or the
  • Contact elements 8, 9 can be connected to one of the connections 4, 5. If, for example, as shown in FIG. 1, the contact element 9 is connected to the connection 5, i.e. the corresponding connection plug is inserted into the plug receptacle, the connection plug also protrudes in the area of the connection 5, i.e. the corresponding connection plug is inserted into the plug receptacle, the connection plug also protrudes in the area of the connection 5, i.e. the corresponding connection plug is inserted into the plug receptacle, the connection plug also protrudes in the area of the
  • connection element 9 itself in a form-fitting manner.
  • Figure 3 shows a further embodiment that differs from the
  • Embodiment of Figure 1 differs in that the
  • Locking device 10 has two covers 15 and 16 which are coupled to one another.
  • Each of the covers 15, 16 is assigned to one of the connections 4, 5 in order to release or close it.
  • the covers 15, 16 are, for example, firmly or by a hinge connected to one another in such a way that the covers can both be simultaneously connected into the closed position to cover both connections 4, 5, but only one can always be moved into the release position.
  • FIG. 4 shows a fourth exemplary embodiment of the vehicle device 2, which differs from the previous exemplary embodiment in that the covers 15, 16 can be moved independently of one another, and that the covers 15, 16 have a movable or displaceable
  • Locking element 17 is assigned.
  • the locking element 17 is assigned an actuator 18, which is designed for example pneumatically, hydraulically, electromotive and / or electromagnetically in order to
  • the locking element 17 can be displaced from a first position, as shown in FIG. 4, in which the locking element 17 is in engagement with the cover 15 in order to lock it in the closed position, into a position as indicated by dashed lines is shown in Figure 4, in which they cover 2 in the
  • Locking element 17 is located, is thus the cover 15 or the
  • Cover 16 can be opened. This also ensures that only one of the contact elements 8, 9 can ever be coupled to one of the connections 4, 5.
  • the locking element 17 can only be displaced manually or only by the user in order to release one or the other cover. This is particularly useful when, as shown in the exemplary embodiment, the connections 4, 5 are arranged close to one another. However, if the actuator 18 is present, it is preferably connected to a control unit 19
  • Vehicle device 2 or of the motor vehicle which is also connected to a sensor device 20 or 21 assigned to the connections 4 and 5 or has such a device.
  • Sensor devices 20, 21 are designed to detect a completed dome of a contact element 8, 9 with one of the connections 4, 5. If a coupling is detected, the control unit 19 controls the actuator 17 for this purpose To lock the cover of the other connection 4, 5 to prevent another coupling process from being carried out. This variant is particularly advantageous when the connections 4, 5, not as in the
  • a locking element 17 for locking or releasing the respective cover 15, 16 is then preferably assigned to each of the connections 4, 5.
  • Figure 5 shows a further embodiment that differs from the
  • each of the connections 4, 5 is assigned a displaceable locking element 17 with an associated actuator 18.
  • the respective locking element 17 can be displaced by the respective actuator 18 in such a way that it either covers the respective connection 4, 5 in areas so that coupling with the associated contact element 8, 9 is prevented, or it releases it so that a
  • the locking element 17 is designed in such a way that, after a coupling process, it arits the coupled contact element 8 or 9 at the connection 4 or 5, as shown in the exemplary embodiment of FIG. 5 for the contact element 9.
  • the contact element 9 expediently has a recess 22 into which the associated locking element 17 can engage in order to obtain the contact element 9 on the vehicle device 2 or on the coupled connection 5 or 4.
  • the locking elements 17 are to the side to
  • the coupling direction can be displaced by the respective actuator 18.
  • the actuators are signal-connected to the control unit 19 so that the locking elements 17 are controlled by this, in particular as a function of the data from the sensor devices 20 and 21.
  • This variant is also suitable for the exemplary embodiment in which the Connections 4, 5 not next to one another, but at a distance from one another and in particular on different sides of the motor vehicle, that is to say are also aligned differently.
  • the sensor devices 20, 21 need not, as shown in the figures, be physically assigned directly to the respective connection. Rather, the sensor devices 20, 21 can also be embodied in the control device 19 or in a control device that monitors or carries out the charging process.
  • the sensor devices 20, 21 are designed to

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un dispositif de véhicule (3) pour la liaison électrique d'un véhicule à moteur (2) à une station de charge (6) fixe, le dispositif de véhicule (3) présentant au moins deux connexions (4, 5), en particulier des prises de courant, pour respectivement un élément de contact (8, 9), en particulier un connecteur de charge, de la station de charge (6), les connecteurs (4, 5) et les éléments de contact (8, 9) étant conçus pour établir au moins une liaison électrique entre le véhicule à moteur (2) et la station de charge (6) par couplage d'un des éléments de contact (8, 9) à l'une des connexions (4, 5). Un dispositif de verrouillage (10) empêche le couplage d'un élément de contact (8, 9) à l'une des connexions (4, 5) dans le cas dans lequel l'autre connexion (4, 5) est déjà couplée à un élément de contact (8, 9).
PCT/EP2020/054976 2019-03-19 2020-02-26 Dispositif de véhicule pour la liaison électrique d'un véhicule à moteur à une station de charge fixe, véhicule à moteur et système de charge WO2020187536A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019203709.7A DE102019203709A1 (de) 2019-03-19 2019-03-19 Fahrzeugeinrichtung zum elektrischen Verbinden eines Kraftfahrzeugs mit einer stationären Ladestation, Kraftfahrzeug und Ladesystem
DE102019203709.7 2019-03-19

Publications (1)

Publication Number Publication Date
WO2020187536A1 true WO2020187536A1 (fr) 2020-09-24

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ID=69701206

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PCT/EP2020/054976 WO2020187536A1 (fr) 2019-03-19 2020-02-26 Dispositif de véhicule pour la liaison électrique d'un véhicule à moteur à une station de charge fixe, véhicule à moteur et système de charge

Country Status (2)

Country Link
DE (1) DE102019203709A1 (fr)
WO (1) WO2020187536A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587481A (zh) * 2013-11-15 2014-02-19 上汽通用五菱汽车股份有限公司 一种纯电动汽车用快慢充电口组合结构
DE102016217961A1 (de) * 2016-09-20 2018-03-22 Bayerische Motoren Werke Aktiengesellschaft Ladesteckdosensystem sowie damit ausgerüstetes Kraftfahrzeug
EP3299211A1 (fr) * 2016-09-26 2018-03-28 Volvo Car Corporation Interface de chargement d'un véhicule, système de chargement d'un véhicule et véhicule

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587481A (zh) * 2013-11-15 2014-02-19 上汽通用五菱汽车股份有限公司 一种纯电动汽车用快慢充电口组合结构
DE102016217961A1 (de) * 2016-09-20 2018-03-22 Bayerische Motoren Werke Aktiengesellschaft Ladesteckdosensystem sowie damit ausgerüstetes Kraftfahrzeug
EP3299211A1 (fr) * 2016-09-26 2018-03-28 Volvo Car Corporation Interface de chargement d'un véhicule, système de chargement d'un véhicule et véhicule

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