EP3873766A1 - Dispositif de charge par conduction comprenant un moyen de centrage amélioré - Google Patents

Dispositif de charge par conduction comprenant un moyen de centrage amélioré

Info

Publication number
EP3873766A1
EP3873766A1 EP19797688.9A EP19797688A EP3873766A1 EP 3873766 A1 EP3873766 A1 EP 3873766A1 EP 19797688 A EP19797688 A EP 19797688A EP 3873766 A1 EP3873766 A1 EP 3873766A1
Authority
EP
European Patent Office
Prior art keywords
unit
vehicle unit
cone
vehicle
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19797688.9A
Other languages
German (de)
English (en)
Inventor
Marco Weiss
Werner JÄGER
Bernhard Hoess
Manfred Holzmann
Alexander Ewald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hirschmann Automotive GmbH
Bayerische Motoren Werke AG
Original Assignee
Hirschmann Automotive GmbH
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hirschmann Automotive GmbH, Bayerische Motoren Werke AG filed Critical Hirschmann Automotive GmbH
Publication of EP3873766A1 publication Critical patent/EP3873766A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—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
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00—Gripping heads and other end effectors
    • B25J15/0019—End effectors other than grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
    • B25J19/0025—Means for supplying energy to the end effector
    • B25J19/0029—Means for supplying energy to the end effector arranged within the different robot elements
    • B25J19/0033—Means for supplying energy to the end effector arranged within the different robot elements with axial connectors in end effector flange
    • 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
    • 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
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H01R13/4538—Covers sliding or withdrawing in the direction of engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • 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
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/32—Auto pilot mode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more poles
    • 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
    • Y02T90/12—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

Definitions

  • the invention relates to a device for conductive charging, in particular of electric vehicles at a fixed station, according to the features of the preamble of claim 1.
  • a plug connection for connecting in particular electrical lines comprising at least one female connecting element and one male
  • Connecting element the female connecting element receiving the male connecting element in a form-fitting manner and wherein the two connecting elements can be non-positively and releasably connected in the case of form-fitting contact, and wherein a connecting region of the male connecting element is formed coaxially tapering and comprises at least one displaceable contact body which is in a first position within and is arranged projecting from the male connecting element in a second position.
  • conductive charging in particular of electric vehicles, is possible at a base station.
  • One connecting element is arranged on the autonomously driving vehicle, whereas the other connecting element is arranged in a stationary manner, but can be moved there within certain limits. If the vehicle moves with its connecting element in the direction of the fixed connecting element,
  • these two connecting elements are brought into operative connection by bringing the respective contact bodies of the two connecting elements into connection with one another for electrical contacting, so that the charging current can then flow.
  • the contact elements (contact body) of the male connecting element are arranged movably in this male connecting element. In a first position, they are arranged entirely within the male connecting element, so that this contact body is protected against contact and contamination. Only when the two connecting elements have been brought together does the contact body, which was previously located within the connecting element, move out of the male connecting element, so that these contact bodies can be contacted with the associated contact bodies of the female connecting element.
  • the invention provides an improved device for conductive charging.
  • Conductive charging means that the electrical contacts of a base station at which charging energy is made available are operatively connected to electrical contacts of an autonomously driving vehicle, so that they touch each other for charging.
  • this conductive charging has the advantage of significantly higher energy transmission, so that autonomously driving vehicles are charged much faster and are ready for operation again.
  • a vehicle unit for the entire device for conductive charging, which is arranged on the vehicle, in particular the electric vehicle.
  • a robot unit is provided which can be controlled by the vehicle for the purpose of charging.
  • the robot unit is thus stationary, but can be moved within certain limits at the location where charging is to take place.
  • the purpose of this is that the vehicle with its vehicle unit does not have to control the robot unit 100 percent, but rather that the robot unit searches for the vehicle unit when the vehicle has been parked for charging.
  • the device comprises the vehicle unit with a centering cone and the robot unit with a counter cone as centering means which can be brought into operative connection with one another.
  • the invention provides that the inlet angles of the centering cone and the counter cone are different. This advantageously minimizes the frictional forces during the centering process and thus the interaction of the robot unit with the vehicle unit. In addition, sliding blockages are avoided during this centering process, so that operational safety is significantly increased and the contact elements of the two units are brought into a defined position with respect to one another during contacting.
  • the centering cone in particular the centering tip of the centering cone, is placed in the area of the counter cone.
  • a vertical centering force is set, that is, impressed.
  • the centering tip of the centering cone is centered in the counter cone, for which purpose the surfaces of the centering tip of the centering cone slide on the surface of the counter cone.
  • the centering cone is arranged on the vehicle unit and the counter cone on the robot unit.
  • the centering cone is arranged on the robot unit and the counter cone of the vehicle unit.
  • the centering cone is formed over the entire surface.
  • this centering means can be operated particularly robustly, in particular when the counter-cone (see below) is designed like a strut. This also significantly reduces the frictional forces.
  • the counter-cone is formed over the entire surface or strut-like, in particular formed by at least two cone struts. If both the centering cone and the counter-cone are formed over the entire surface, the centering process can be carried out very well as a result of the different inlet angles, with the frictional forces being significantly minimized at the same time since the
  • Centering cone and the counter cone despite their full-surface configuration, only come into full contact at the end of the centering process, but not beforehand.
  • the inflow angle of the centering cone is acute, preferably greater than 45 degrees, further preferably greater than 60 degrees, and the inflow angle of the counter cone is flat, preferably less than 10 degrees, further preferably equal to 0 degrees.
  • the angles of the first section of the centering cone are preferably acute, preferably greater than 45 degrees, more preferably greater than 60 degrees, and the angles of the respective second section of the centering cone and the counter cone are flat, preferably less than 10 degrees, further preferably equal to 0 degrees.
  • the contact elements of the robot unit are recessed in a housing and are therefore protected from external contact or contamination, but are accessible to the contact elements of the vehicle unit.
  • the contact elements of the vehicle unit must also be protected against contact or contamination.
  • the contact elements according to the invention are recessed in a housing and are therefore protected from external contact or contamination, but are accessible to the contact elements of the vehicle unit.
  • the contact elements of the vehicle unit must also be protected against contact or contamination.
  • Vehicle unit covered by a gripping protection, so that the contact elements of the vehicle unit are not accessible as long as there is no charging and as long as the vehicle unit has not been operatively connected to the robot unit. Only when the robot unit is moved in the direction of the vehicle unit, is this gripping protection by the robot unit relative to the housing of the
  • Vehicle unit moves, so that the contact elements of the vehicle unit, which are fixedly arranged in the housing of the vehicle unit, are released and can engage in the corresponding free spaces in the robot unit in order to touch and contact the contact elements of the robot unit located there.
  • the gripping protection is supported on the housing of the vehicle unit by means of springs.
  • This configuration has the essential advantage that the gripping protection is moved as a mechanical component in relation to the housing of the vehicle unit, whereas the contact elements of the vehicle unit are arranged in a fixed position in it, since in practice a movable mechanical component (without electrical function) is much better can be realized as an electrically conductive component, which in the case of the prior art not only serves for electrical contacting, but which also has to be moved at the same time As a result, the invention realizes a much simpler and safer construction of the device for conductive charging.
  • the contacts are also arranged fixed in the housing of the robot unit. For example, the contacts in the robot unit and the vehicle unit are area-wise
  • FIG. 1 shows the basic structure of a device 1 according to the invention for conductive charging.
  • a vehicle unit 2 is shown, which has a housing in which contact elements (not shown here) and, if appropriate, further functional components are arranged.
  • This vehicle unit 2 is arranged at a suitable location, in particular on an underbody, of an electric vehicle, which preferably moves autonomously.
  • robot unit 3 which likewise has a housing in which contact elements (also not shown here) and also, if appropriate, further functional components.
  • FIG. 1 shows that the robot unit 3 is already in engagement with the vehicle unit 2.
  • Other means that are required for movement and position detection for the robot unit 3 or the vehicle unit 2 are present, but are not shown.
  • FIG. 2 shows the side of the robot unit 3 pointing in the direction of the vehicle unit 2.
  • the robot unit 3 has a housing 4, preferably made of plastic.
  • this plastic housing 4 there is a conductor ring 5 (several conductor rings 5 are shown) which are connected to an energy source (not shown) for charging the vehicle.
  • Each conductor ring 5 ends with a contact lug 6, which is present, for example, for contacting a connector, not shown.
  • a conductor ring 5 is shown in FIG. 3, for example.
  • Such a conductor ring 5 is preferably realized as a deep-drawn sheet, which forwards the current to the vehicle and which is arranged in a suitable position and size in the housing 4 of the robot unit 3.
  • a plurality of conductor rings 5 are arranged concentrically one inside the other.
  • Each conductor ring 5 has a base which is arranged at the circumferential end of a cylinder section 8 and protrudes therefrom.
  • the conductor ring 5 can thus be arranged very well in the housing 4, in particular it can be fixed. This applies in particular when a partial area of the cylinder section 8 is surrounded together with the base 7 by a plastic material which forms the housing 4.
  • At least one recess 9 is present over the circumference of the cylinder section 8. In this embodiment there are exactly three recesses 9.
  • FIG. 4 shows the vehicle unit 2, which is preferably arranged with its underside (when viewing FIG. 4) on an underside of the vehicle (not shown).
  • the vehicle unit 2 also has a housing 10, preferably made of plastic. Facing the upper side (when viewing FIG. 4) of the vehicle unit 2 is a preferably plate-shaped gripping protection 12, which is approximately plane-parallel to the upper side
  • the contacts 11 in the vehicle unit 2 which are present but not yet fully recognizable here, are arranged in a fixed manner in the housing 10 of the vehicle unit 2. Cutouts are provided in the grip guard 12 for the corresponding contacts 11 in the vehicle unit 2, so that when the grip guard 12 is pressed together by the robot unit 3 in the direction of the upper side of the vehicle unit 2, the contacts 11 can penetrate these cutouts and are thus released. in order to be able to be applied to the contacts 5 in the robot unit 3.
  • An exemplary embodiment of the flat gripping protection 12 with the corresponding cutouts for the contacts 11 (spring contacts) is shown in FIG.
  • Such a gripping protection 12, like the housings 4, 10 of the two units 2, 3, can also be produced, for example, in a plastic injection molding process. It is essential that the gripping guard 12 can be moved relative to the vehicle unit 2 in order to either protect or release the contacts 11 in the housing 10 of the vehicle unit 2, the contacts 11 being arranged in a fixed manner in the housing 10 of the vehicle unit 2.
  • the gripping protection 12 has a base 13 with a central opening 14. Around the center opening 14 there is an area that extends obliquely to the base 13, in which a plurality of recesses 15 are arranged all around and also beveled. The corresponding conductor springs 11 of the vehicle unit 2 are guided through these recesses 15 and released if charging is to be carried out, or arranged under these recesses 15 if no charging is to be carried out, so that overall the gripping protection 12 has the effect that the conductor springs 11 are covered in the latter case . Furthermore,
  • the gripping guard 12 also has a plurality of recesses 16 all around, through which further elements can be carried out in order, for example, to bring the vehicle unit 2 and the robot unit 3 to each other in the correct position.
  • a coding lug 17 (or possibly further elements or more than one coding lug) can also be present.
  • FIG. 6 An exemplary embodiment of a contact 11 (conductor spring) of the vehicle unit 2 is shown in FIG. 6.
  • This contact 11 which is shown as an example, is in turn a deep-drawn sheet, which likewise forwards the current to the vehicle.
  • An outer ring can be seen as the base 18, from which a contact tab (again for the connection of a connector, not shown) protruding outwards and contacts 20 angled toward the inside extend upwards, these contacts 20 either being released by the gripping protection 12 or are covered for the purpose of protection against contact or contamination.
  • a contact tab (again for the connection of a connector, not shown) protruding outwards and contacts 20 angled toward the inside extend upwards, these contacts 20 either being released by the gripping protection 12 or are covered for the purpose of protection against contact or contamination.
  • FIG. 7 finally shows the method for operating the two units 2, 3 as described above and shown in FIGS. 1 to 6.
  • the required coverage of the robot unit 3 with the vehicle unit 2, after it has been achieved, is shown in the middle representation in FIG. It can be seen here that the contact elements 11 in the vehicle unit are still arranged within the housing 10 of the vehicle unit 2 and are covered by the gripping protection 12.
  • the gripping protection 12 is pressed against the spring force by the robot unit 3 in the direction of the housing 10, so that the contacts 11 in the vehicle unit 2 are thereby released by the gripping protection 12 so that they can come into contact with the contacts 5 of the robot unit 3 Bring active connection and thus the contacting of contacts 5, 11 of the two units can be seen in the right-hand illustration of FIG. 7, so that the charging process can now take place.
  • the housing 4 of the robot unit 3 has a dome 21, which is passed through the central opening 14 of the gripping protection 12.
  • the dome 21 of the robot unit 3 is guided by a corresponding counter element on the side of the vehicle unit 2, which is designed and suitable for connecting to the dome 21 and thereby guiding the robot unit 3 during the movement towards the vehicle unit 2.
  • FIG. 7 also shows that the gripping guard 12 can be moved in one direction 22 from its starting position 23 and vice versa.
  • this starting position 23 between the gripping protection 12 and the housing 10 of the vehicle unit 2 is defined and is, for example, by a spring arranged between the gripping protection 12 and the housing 10 of the vehicle unit 2, preferably a plurality of springs, again preferably at each corner point of the preferably square trained gripping protection 12, realized.
  • This at least one spring is compressed in the direction of movement 22 and the gripping guard 12 moves in the direction of the defined point on the housing 10 of the vehicle unit 2 when a defined point (or a defined area) of the housing 4 of the robot unit 3 moves towards the vehicle unit 2 becomes.
  • the gripping protection 12 is also moved further in the direction of the housing 10 of the vehicle unit 2 and the at least one spring is compressed, so that the contacts 11 of the vehicle unit 2 are released and in operative connection with them Contacts 5 of the robot unit 3 can be brought.
  • This position of the vehicle unit 2 and the robot unit 3 relative to one another is, as already explained, shown in the lower right illustration of only 7. It goes without saying that after the charging process has been completed, the two units 2, 3 are separated from one another in the reverse procedure, the contacts 11 fixed in the housing 10 of the vehicle unit 2 being covered again by the gripping protection 12 after the robot unit 3 has been removed the vehicle unit 2 has been removed.
  • the centering means of the vehicle unit 2 and the robot unit 3 are explicitly shown once again in FIGS. 8 and 9.
  • a centering cone 24 is present within the housing 10 of the vehicle unit 2, as shown in FIG.
  • This centering cone 24 with its larger diameter, starts from a bottom of the housing 10 and projects from this bottom. It tapers up to a point or is flattened at its tapered end (as shown).
  • the centering cone 24 is preferably produced together with the housing 10, but can also be produced as a separate component and then arranged on the housing 10.
  • the centering cone 24 is advantageously arranged centrally coaxially within the contact elements 5 of the vehicle unit 2 arranged coaxially to one another.
  • a counter cone 25 of the robot unit 3 is shown in FIG. This counter cone 25 can (as shown) be part of the housing 4.
  • the counter cone 25 is also arranged centrally coaxially within the contact elements 11 of the robot unit 3.
  • the counter-cone 25 is formed by cone struts 26 (two cone struts 26 can be seen, but actually there are four or more than four, but possibly also less than four cone struts 26).
  • the counter cone 25, like the centering cone 24, can also be formed over the entire surface. In the embodiment shown in the figures it can be seen that the tapered centering cone 24 on the vehicle unit 2 and the counter cone 25 on the
  • Robot unit 3 is arranged. Both for this special exemplary embodiment and in general, the cones shown and described accordingly can also be arranged in reverse on the respective unit 2, 3.

Landscapes

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

Abstract

L'invention concerne un dispositif (1) de charge par conduction comprenant une unité côté véhicule (2) disposée de manière fixe sur un véhicule et une unité côté robot (3) montée en un emplacement fixe, mais mobile à cet emplacement, l'unité côté véhicule (2) pouvant être reliée à l'unité côté robot (3) de manière interactive pour permettre la charge, les deux unités (2, 3) présentant chacune un boîtier (4, 10) dans lequel sont disposés des contacts correspondants (5, 11), les contacts (5) étant disposés dans l'unité côté robot (3) en retrait dans le boîtier (4) de l'unité côté robot (3), et les contacts (11) étant disposés de manière fixe dans le boîtier (10) de l'unité côté véhicule (2), l'unité côté véhicule (2) présentant un cône de centrage (24) et l'unité côté robot (3) présentant un cône complémentaire (25), ou inversement, en tant que moyens de centrage pouvant entrer en interaction. L'invention est caractérisée en ce que les angles d'attaque du cône de centrage (24) et du cône complémentaire (25) sont différents.
EP19797688.9A 2018-10-31 2019-10-31 Dispositif de charge par conduction comprenant un moyen de centrage amélioré Pending EP3873766A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018127173 2018-10-31
PCT/EP2019/079819 WO2020089390A1 (fr) 2018-10-31 2019-10-31 Dispositif de charge par conduction comprenant un moyen de centrage amélioré

Publications (1)

Publication Number Publication Date
EP3873766A1 true EP3873766A1 (fr) 2021-09-08

Family

ID=68426479

Family Applications (3)

Application Number Title Priority Date Filing Date
EP19797683.0A Ceased EP3873765A1 (fr) 2018-10-31 2019-10-31 Dispositif et procédé de charge par conduction
EP19797692.1A Pending EP3873767A1 (fr) 2018-10-31 2019-10-31 Dispositif de charge par conduction à contacts améliorés
EP19797688.9A Pending EP3873766A1 (fr) 2018-10-31 2019-10-31 Dispositif de charge par conduction comprenant un moyen de centrage amélioré

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP19797683.0A Ceased EP3873765A1 (fr) 2018-10-31 2019-10-31 Dispositif et procédé de charge par conduction
EP19797692.1A Pending EP3873767A1 (fr) 2018-10-31 2019-10-31 Dispositif de charge par conduction à contacts améliorés

Country Status (5)

Country Link
US (3) US11780340B2 (fr)
EP (3) EP3873765A1 (fr)
CN (3) CN113165542B (fr)
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EP3873765A1 (fr) 2021-09-08
US11780340B2 (en) 2023-10-10
US20210387539A1 (en) 2021-12-16
WO2020089392A1 (fr) 2020-05-07
CN113165542B (zh) 2024-01-02
CN113165542A (zh) 2021-07-23
US20210331596A1 (en) 2021-10-28
EP3873767A1 (fr) 2021-09-08
WO2020089390A1 (fr) 2020-05-07
DE102019129436A1 (de) 2020-04-30
DE102019129419A1 (de) 2020-04-30
CN113165543A (zh) 2021-07-23
CN113286722B (zh) 2024-06-21
DE102019129439A1 (de) 2020-04-30
WO2020089381A1 (fr) 2020-05-07
CN113286722A (zh) 2021-08-20

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