EP4251460A1 - Système de charge rapide et procédé de connexion électrique d'un véhicule à une station de charge - Google Patents

Système de charge rapide et procédé de connexion électrique d'un véhicule à une station de charge

Info

Publication number
EP4251460A1
EP4251460A1 EP20817253.6A EP20817253A EP4251460A1 EP 4251460 A1 EP4251460 A1 EP 4251460A1 EP 20817253 A EP20817253 A EP 20817253A EP 4251460 A1 EP4251460 A1 EP 4251460A1
Authority
EP
European Patent Office
Prior art keywords
contact
charging
charging contact
element carrier
contact element
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
EP20817253.6A
Other languages
German (de)
English (en)
Inventor
Patrick Horst
Matthias Domes
Vasily PODGORNY
Juri EVA
Timo STAUBACH
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.)
Schunk Transit Systems GmbH
Original Assignee
Schunk Transit Systems 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 Schunk Transit Systems GmbH filed Critical Schunk Transit Systems GmbH
Publication of EP4251460A1 publication Critical patent/EP4251460A1/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
    • B60L53/11—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
    • 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
    • B60L53/30—Constructional details of charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the invention relates to a rapid charging system for electrically powered vehicles, in particular electric buses or the like, and a method for forming an electrically conductive connection between a vehicle and a stationary charging station with a contact device, a charging contact device and a positioning device, the contact device or the charging contact device can be arranged on a vehicle, with the contact device being able to make electrical contact with the charging contact device in a contact position, with the positioning device being able to position the contact device relative to the charging contact device in the longitudinal direction and/or transverse direction and bring it into the contact position, the charging contact device having a charging contact element carrier Has charging contact elements, wherein the charging contact element carrier is designed as a longitudinal rail that can be arranged in a direction of travel of the vehicle, the charging contacts ele- ments each form a strip-shaped charging contact surface, the contact device having a contact element carrier with contact elements, the contact elements each forming a contact surface that is smaller than the charging contact surface surface is formed, wherein the contact elements in the contact position with the charging contact element are in
  • a roof-shaped charging contact device is contacted by a contact device of the same design.
  • the charging contact device has charging contact elements, which are designed in the form of conductor strips and are arranged to run in a driving direction of the vehicle.
  • Contact elements of the contact device are designed in the form of bolts and contact the conductor strips at points in the contact position. Accurately reaching the contact position is possible in that the contact device is inserted into the charging contact device in a vertical direction, relative to a direction of travel of the vehicle.
  • an arc can form between a contact element and a charging contact element, even during a charging process.
  • a relative displacement of the contact element and the charging contact element can occur.
  • a contact surface or charging contact surface then has a comparatively high electrical resistance, arcs can occur.
  • a charging process is undesirably interrupted or not started. As has been shown, such effects occur more frequently in damp weather conditions. In particular, leakage currents can also occur here, which can disrupt the charging process and promote the formation of arcs.
  • the charging contact elements and the contact elements wear out relatively quickly due to arcing, which in turn requires their replacement.
  • the present invention is therefore based on the object of proposing a rapid charging system and a method for forming an electrically conductive connection between a vehicle and a charging station, which enables cost-effective operation of the transport means and reliable contacting.
  • the quick charging system for electrically powered vehicles, in particular electric buses or the like, for forming an electrically conductive connection between a vehicle and a stationary charging station, comprises a contact device, a charging contact device and a positioning device, the contact device or the charging contact device being able to be arranged on a vehicle, wherein with the contact device, the charging contact device can be electrically contacted in a contact position, wherein the contact device can be positioned relative to the charging contact contact device in the longitudinal direction and/or transverse direction and brought into the contact position by means of the positioning device, wherein the charging contact device has a charging contact element carrier with charging contact elements, the Charging contact element carrier is designed as a longitudinal rail that can be arranged in a driving direction of the vehicle, the charging contact elements each having a st tire-shaped charging contact surface form, wherein the contact device has a contact element carrier with contact elements, wherein the contact elements each form a contact surface that is smaller than the charging contact surface, wherein the contact elements can be electrically contacted in the contact position
  • the rapid charging system consequently has charging contact elements designed as conductor strips which are arranged parallel to one another and in the direction of a longitudinal axis of the charging contact element carrier. Because the charging contact device has a heating device, it is possible to control the temperature of the charging contact elements or to heat them up by means of the heating device. It is provided that only the charging contact elements can be temperature-controlled by the heating device. It is not necessary to heat the other components of the charging contact and this would result in a comparatively higher energy consumption. Because the temperature of the charging contact elements can be controlled by means of the heating device, deposits of frost, ice, snow or the like on the charging contact device or directly on the charging contact elements can be prevented, for example. Evaporation of water or moisture on the charging contact elements is also promoted. As has been shown, the formation of arcs under certain weather conditions and reliable contacting can be guaranteed without interrupting a charging process.
  • the positioning device can have a pantograph or a rocker, by means of which the contact unit carrier can be positioned in at least a vertical direction relative to the charging contact unit, with the contact device being able to be arranged on a vehicle or on a charging station. With a swingarm, a additional coupling mechanism may be provided, which stabilizes the contact unit carrier relative to a charging contact device or aligns it in the relevant direction.
  • a pantograph or a rocker or a corresponding mechanical drive is particularly easy and inexpensive to produce.
  • the positioning device can also have a transverse guide, by means of which the contact unit carrier can be positioned transversely relative to the charging contact device or to a direction of travel of the vehicle.
  • the transverse guide can be arranged on a vehicle or a pantograph or a rocker arm of the positioning device. In both cases, the positioning device or a contact unit carrier arranged on the positioning device can then be displaced transversely to the direction of travel of the vehicle.
  • Ver shiftability for example, incorrect positioning of the vehicle at a stop can be compensated transversely to the direction of travel.
  • any vehicle movements as a result of the vehicle being lowered on one side to allow people to get in and out can be compensated for in such a way that there can be no displacement of the contact unit carrier relative to the charging contact device in the transverse direction.
  • the contact device can be arranged on a vehicle roof, for example, so that the contact unit carrier can be moved from the vehicle roof to the charging contact device and back by means of the positioning device.
  • the contactor can be located at the charging station, in which case the contactor carrier can then be moved from a carrier such as a mast or bridge at a station towards a vehicle roof with a charging contactor and back.
  • the heating device can have an electrical heating element which is arranged on the charging contact element.
  • the electrical heating element can be a resistance heating element, for example.
  • the heating element can have electrical insulation and directly be arranged on the charging contact element or lie directly against it. Thus, comparatively little electrical energy is required to heat the charging contact element and it is always ensured that the charging contact element is heated quickly and effectively.
  • a heating element can be arranged on each charging contact element, in which case the heating element can preferably extend over the entire length of the charging contact element. Since the charging contact device has a plurality of charging contact elements, all charging contact elements can be heated with one heating element each.
  • the respective heating elements can be adapted to a respective configuration of the charging contact elements. If the heating element extends over an entire length of the charging contact element, this can also be temperature-controlled along its entire length.
  • the heating element can be a heating line which bears against a rear side of the charging contact element which is remote from the charging contact surfaces.
  • the heating line can be designed in the manner of a conductor with an essentially round or band-shaped cross section.
  • the heating element can be designed for operation with low voltage, preferably 230 V AC or 24 V DC. Since this low voltage is common and is also regularly available at charging stations, a special transformation of a voltage to operate the heating element is not required.
  • the heating element can then be switched on and off with a simple switching element, for example.
  • the heating device can thus be designed in a particularly simple manner.
  • the charging contact element can be formed from a metal strip.
  • the metal strip can have a comparatively flat cross section senior
  • the metal band can form a conductor strip, which can be arranged in the longitudinal direction or a horizontal direction, which essentially corresponds to a traveling direction of the vehicle.
  • the charging contact elements can be over a meter long, so that a vehicle can stop within an area at a bus stop. In this way, the charging contact elements can form a comparatively large contactable area for the contact elements.
  • a metal strip is also easy to produce, for example by using a semi-finished product as a charging contact element.
  • the metal strip can be fastened to the contact element carrier by means of a screw connection, it being possible for threaded bolts to be arranged on the metal strip, which penetrate through openings in the contact element carrier.
  • the metal band can be made of copper, aluminum or a comparable alloy.
  • the threaded bolts can be screwed to the metal strip or attached by butt welding. In the body of the charging contact element carrier through-openings can be formed through which the threaded bolts are passed.
  • the charging contact elements or the metal band can be easily screwed to the body using nuts on the threaded bolts. In principle, it is also possible to use screws to attach the metal strips to the body.
  • the metal strip can then be attached without adhesive, which makes replacement much easier.
  • Opposite ends of the metal strip can each be designed to run transversely to the charging contact surface and penetrate through openings in the charging contact element carrier, it being possible for at least one end to be connected to a cable of the charging station.
  • the ends can consequently be angled, for example relative to the charging contact surface can be designed to run orthogonally.
  • the ends When assembling the charging contact element, the ends can be inserted through through-openings in a body of the charging contact element carrier and guided through it. It can be provided to connect a cable of the charging station at least directly at one end, which then connects the charging contact element directly to the charging station or a power source.
  • the charging contact elements can each be inserted into a receiving groove formed in the charging contact element carrier, in which case the charging contact surfaces can then be flush with a surface of the charging contact element carrier facing the contact element carrier.
  • the surface of the charging contact element carrier is then formed at least in sections without significant interruptions, so that contact elements can slide along the surface.
  • the receiving groove then has a depth and width which essentially corresponds to a height and width of the charging contact element, relative to a cross section.
  • a groove into which the heating element can be inserted may be formed in a base of the receiving groove.
  • the groove formed in the bottom of the receiving groove can always be made narrower than the groove itself, so that the charging contact element rests against the bottom of the receiving groove and is thus securely positioned relative to the surface of the charging contact element carrier.
  • the groove can be designed in such a way that the heating element is positioned in it and essentially fills the groove. It can thus be ensured that the heating element rests as closely as possible on the charging contact element. Furthermore, the heating element is then particularly easy to install.
  • the groove can run parallel, in a meandering shape, and/or in a spiral shape relative to a longitudinal axis of the charging contact element. If the heating element is made particularly thin, a large contact area can be used are formed between the heating element and the charging contact element.
  • a groove can be formed between two charging contact elements.
  • the groove can be designed in the manner of a groove and run parallel to the longitudinal axes of the charging contact elements. With the groove, the surface of the charging contact element carrier can be enlarged between the charging contact elements, so that an undesirable formation of leakage currents between charging contact elements can be effectively avoided. In particular, the formation of a continuous film of water or a water network on the surface can be prevented. Two or more such grooves can also be formed here between two charging contact elements. Provision can also be made for grooves to be formed between all of the charging contact elements.
  • the charging contact element carrier can have a body made of a dielectric plastic material or a composite material, which can preferably be made in one piece.
  • the body is particularly simple, stable and inexpensive to produce bar. Since the body then consists of a dielectric material, special electrical insulation of the charging contact elements and possibly their fastening elements is not required. The body is then also weatherproof and cannot corrode.
  • the body can be made of glass fiber reinforced plastic and then be easily manufactured in large numbers.
  • the contact device can be arranged on a vehicle roof and the contact device Ladekon at a stationary charging station or vice versa.
  • it can be a vehicle roof of an electric bus or a tram car.
  • the contact device or to position the charging contact device on the vehicle roof so that it is arranged in the direction of travel on a driver's side of the vehicle roof. Positioning of the contact device or the charging contact device is thus significantly simplified for a driver of the vehicle, since this or its position is in the driver's line of sight.
  • the heating device can include a temperature controller and a thermostat, which can be in contact with a charging contact element. With the temperature control, a switching on and off process of the heating device can be regulated. It is also possible to regulate the heating output of the heating device. A temperature measurement on at least one charging contact element is made possible via the thermostat. All charging contact elements can be contacted individually, i.e. each with a thermostat, and regulated accordingly. However, it is possible to provide only one thermostat and to regulate the temperature of all charging contact elements according to this thermostat.
  • the heating device can be designed to heat the charging contact elements at a temperature of ⁇ 5.degree. In any case, it can always be ensured that the charging contact elements cannot ice up. Charging contact elements covered with frost or ice encourage the formation of arcs during a charging process. Furthermore, the heating of the charging contact elements can be switched off at >15°C. A thermostat can also be used which has different switching points or can trigger a switching process at different temperatures.
  • a length of the charging contact element carrier can be shorter than a vehicle length.
  • the charging contact element carrier which is designed in the manner of a longitudinal rail and extends in a direction of travel of the vehicle, to protrude beyond the ends of the vehicle.
  • the charging contact element carrier can therefore be comparatively short, making it inexpensive to produce and can also be easily attached to a mast of a charging station, or alternatively to a vehicle roof.
  • the power contacts or the corresponding contact elements can be designed to transmit a current of 500 to 1000 amperes at a voltage of at least 750 to 1000 V.
  • a power of 375 kW to 750 kW, preferably 600 kW can be transmitted via the charging contact unit. It can therefore also be sufficient to provide only one connection line for connection to the charging contact element.
  • the vehicle can also be charged more quickly, since higher currents can be transmitted in a shorter time.
  • the charging contact surfaces and/or the contact surfaces can be arranged in the transverse direction or the longitudinal direction relative to one another in such a way that the protective contact can be formed first, followed by the power contacts and then the signal contact.
  • This arrangement of the charging contact surfaces relative to the respective associated contact surfaces in the longitudinal direction of the strip-shaped charging contact surfaces a defined sequence of formation and separation of contact pairs, based on the longitudinal direction, can be formed.
  • the longitudinal direction is understood here to mean the direction in which the strip-shaped charging contact surfaces essentially run. Since this can be a direction of travel of a vehicle, the longitudinal direction essentially corresponds to a horizontal direction when the charging contact element carrier is positioned horizontally.
  • the charging contact element carrier can also be positioned parallel to a roadway of a vehicle, which can also be inclined relative to a horizontal line.
  • the transverse direction is understood to mean a vertical direction which runs transversely or orthogonally relative to the strip-shaped charging contact surfaces.
  • the contact elements can form a punctiform contact surface.
  • the contact elements can be bolt-shaped.
  • the contact elements can be resiliently mounted on the contact element carrier.
  • the contact elements are particularly easy to produce, with the resilient mounting being able to be carried out by a simple compression spring inside or on the contact element.
  • a selective contact with a charging contact element can be formed under a spring preload.
  • it can also be provided that, for example, for a pair of contacts for a power contact, a plurality of contact elements, that is to say a plurality of contact pairs, are provided.
  • two contact elements can be provided for one phase or one power contact.
  • the charging contact element carrier can form a receiving opening for the contact element carrier, with the contact element carrier being insertable into the receiving openings of the charging contact element carrier, or the contact element carrier can form a receiving opening for the charging contact element carrier, with the charging contact element carrier being insertable into the receiving opening of the contact element carrier, with the receiving opening being able to be inserted when brought together of contact element carrier and charging contact element carrier can form a guide for the Needleselementträ ger or the charging contact element carrier.
  • the receiving opening can preferably be designed in a V-shape.
  • the V-shaped design of the receiving opening then results centering of the contact element carrier or of the charging contact element carrier.
  • the contact element carrier can form a receiving opening for the charging contact element carrier, in which case the charging contact element carrier can then be inserted into the receiving opening of the contact element carrier.
  • the receiving opening can then also be preferably V-shaped here, in which case the contact elements can then be arranged within the V-shaped receiving opening. Any positional deviations of the vehicle when stopping at a bus stop from an intended stopping position can be easily compensated for by guiding the contact element carrier or the charging contact element carrier into the contact position through the receiving opening.
  • the charging contact element carrier can be designed as a roof-shaped longitudinal rail that can be arranged in a direction of travel of the vehicle.
  • the charging contact elements can then be arranged on an underside of the roof-shaped longitudinal rail, so that the charging contact elements are not directly exposed to the effects of the weather.
  • the roof-shaped longitudinal rail can also preferably be open at its ends, so that the contact element carrier can also be inserted into or pulled out of the roof-shaped longitudinal rail in the direction of travel. If the charging contact element carrier is to be arranged on a vehicle, provision can be made for the charging contact element carrier to be in the form of a web-shaped elevation that can be arranged in a direction of travel of the vehicle.
  • the rapid charging system comprises a contact device, a charging contact device and a positioning device, with the contact device being the charging contact device is electrically contacted in a contact position, by means of the positioning device, the contact device relative to the charging contact device in the longitudinal direction and / or transverse device and brought into the contact position, the charging contact device having a charging contact element carrier with charging contact elements, the charging contact element carrier being designed as a longitudinal rail which is arranged in a direction of travel of the vehicle, the charging contact elements each forming a strip-shaped charging contact surface, the Contact device has a contact element carrier with contact elements, the contact elements each forming a contact surface that is smaller than the charging contact surfaces, the contact elements being in the contact position with the charging contact elements each being electrically contacted to form contact pairs, the charging contact elements being connected by means of a heating device the Ladetoryvor
  • Fig. 1 is a perspective view of a charging contact device of a rapid charging system
  • Fig. 2 is a perspective bottom view of the charging contact device
  • FIG. 3 shows a perspective bottom view of a charging contact element carrier of the charging contact device
  • FIG. 4 shows a further perspective bottom view of the charging contact element carrier of the charging contact device
  • Fig. 5 is a perspective view of a charging contact element
  • FIG. 6 is a partial sectional view of the charging contact device.
  • FIG. 1 and 2 show a charging contact device 10 of a rapid charging system for electrically powered vehicles, in particular electric buses or the like, not shown in detail here, the charging contact device 10 being designed for connection to a contact device, also not shown.
  • the charging contact device 10 is roof-shaped and can be attached to a mast, not shown here, by means of a fastening device 11 above a vehicle above a roadway.
  • An upper cover of the charging contact device 10 is not shown here for the sake of clarity.
  • a vehicle positioned under the charging contact device 10 can then have the contact device which can be arranged on the charging contact device 10 by means of a positioning device which is also not shown.
  • the charging contact device 10 consists essentially of a charging contact element carrier 12 made of plastic material, in particular glass fiber reinforced plastic, and charging contact elements 13 .
  • the charging contact elements 13 are in turn designed as metal strips 14, 15, 16 and 17 and run in the longitudinal direction of the charging contact element carrier 12.
  • the metal strips 14 and 17 are used to transmit a charging current, with the metal strip 15 representing a protective conductor and the metal strip 16 representing a control line.
  • Contact tracks 18 on each angled end 19 of the metal strips 14 to 17 are used for connection to electrical lines not shown here.
  • the charging contact element carrier 12 is essentially formed from a one-piece body 20 and has reinforcing ribs 21 and fastening ribs 22 with a bolt 23 for suspending the charging contact element carrier 12 on a mast or the like.
  • a receiving opening 24 of the charging contact device 10 for receiving the contact Direction is V-shaped, such that two symmetrical's angle 25 are connected to each other via a horizontal web 26.
  • the charging contact device forms the or the charging contact element carrier 12 with the charging contact elements 13, a surface 27 for contacting the contact device with the contact elements, also not shown here.
  • receiving grooves 28 are formed within the surface 27 for the charging contact elements 13 and the metal strips 14 to 17, respectively.
  • the charging contact elements 13 thus form strip-shaped charging contact surfaces 29 within the opening 24 of the opening.
  • Fig. 5 shows a single charging contact element 13 are attached to the threaded bolt 30 by butt welding.
  • the threaded bolts 30 are pushed through through-openings 31 in the charging contact element carrier 12 and screwed in place by means of nuts 32 .
  • Next 12 slot-shaped passage openings 33 are formed in the charging contact element carrier, through which the ends 19 are inserted. Fastening and contact connection of the charging contact elements 13 can thus easily take place on an upper side 34 of the charging contact element carrier 12 .
  • the charging contact device 10 includes a heating device 36, which is formed from heating elements 36 on the charging contact element carriers 12 and a temperature controller 37 with a thermostat that is not shown in detail here.
  • a heating device 36 which is formed from heating elements 36 on the charging contact element carriers 12 and a temperature controller 37 with a thermostat that is not shown in detail here.
  • 28 grooves 39 are formed in a base 38 of the respective receiving grooves, into which a heating line 40, which forms the heating element 36, is inserted.
  • the heating line 40 rests against a rear side 41 of the charging contact element 13, and thus enables effective temperature control or heating of the respective charging contact elements 13.
  • a groove 42 is also formed in the surface 27 of the charging contact element carrier 12 between two charging contact elements 13 .
  • the groove 42 runs parallel to a longitudinal extent of the charging contact elements 13. The groove makes it more difficult for leakage currents to form between charging contact elements 13.

Landscapes

  • 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)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

L'invention concerne un système de charge rapide pour véhicules électriques, en particulier des bus électriques ou similaires, et un procédé pour établir une liaison électroconductrice entre un véhicule et une station de charge fixe, le système de charge rapide comprenant un dispositif de contact, un dispositif de contact de charge (10) et un dispositif de positionnement, le dispositif de contact ou le dispositif de contact de charge pouvant être disposé sur un véhicule ; le dispositif de contact de charge pouvant être mis en contact électrique avec le dispositif de contact dans une position de contact ; le dispositif de contact pouvant être positionné par rapport au dispositif de contact de charge dans le sens longitudinal et/ou dans le sens transversal et amené dans la position de contact au moyen du dispositif de positionnement ; le dispositif de contact de charge comprenant un support d'élément de contact de charge (12) avec des éléments de contact de charge (13) ; le support d'élément de contact de charge étant réalisé sous la forme d'un rail longitudinal qui peut être disposé dans un sens de déplacement du véhicule ; chaque élément de contact de charge formant une surface de contact de charge de type bande ; le dispositif de contact comportant un support d'élément de contact pourvu d'éléments de contact ; chaque élément de contact formant une surface de contact qui est conçue pour être plus petite que la surface de contact de charge ; chaque élément de contact, dans la position de contact, pouvant être mis en contact électrique avec les éléments de contact de charge pour former des paires de contacts ; et le dispositif de contact de charge comprenant une unité de chauffage (35) au moyen de laquelle la température des éléments de contact de charge peut être régulée.
EP20817253.6A 2020-11-30 2020-11-30 Système de charge rapide et procédé de connexion électrique d'un véhicule à une station de charge Pending EP4251460A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2020/083944 WO2022111834A1 (fr) 2020-11-30 2020-11-30 Système de charge rapide et procédé de connexion électrique d'un véhicule à une station de charge

Publications (1)

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EP4251460A1 true EP4251460A1 (fr) 2023-10-04

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Application Number Title Priority Date Filing Date
EP20817253.6A Pending EP4251460A1 (fr) 2020-11-30 2020-11-30 Système de charge rapide et procédé de connexion électrique d'un véhicule à une station de charge

Country Status (7)

Country Link
US (1) US20230415588A1 (fr)
EP (1) EP4251460A1 (fr)
JP (1) JP2024502540A (fr)
KR (1) KR20230113550A (fr)
CN (1) CN116568548A (fr)
CA (1) CA3200090A1 (fr)
WO (1) WO2022111834A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3002259A4 (fr) 2013-07-05 2016-08-03 Mitsubishi Heavy Ind Ltd Procédé de traitement de l'eau et système de traitement de l'eau
DE102015219438B4 (de) 2015-10-07 2024-02-22 Schunk Transit Systems Gmbh Schnellladesystem und Verfahren zur elektrischen Verbindung eines Fahrzeugs mit einer Ladestation
DE102017218226A1 (de) * 2017-03-20 2018-09-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Unterflur-Kontaktsystem
DE102018112494B4 (de) * 2018-05-24 2023-03-16 Schunk Transit Systems Gmbh Kontaktvorrichtung und Schnellladesystem
WO2020187414A1 (fr) * 2019-03-20 2020-09-24 Schunk Transit Systems Gmbh Dispositif de contact, véhicule et station de charge

Also Published As

Publication number Publication date
JP2024502540A (ja) 2024-01-22
US20230415588A1 (en) 2023-12-28
CA3200090A1 (fr) 2022-06-02
KR20230113550A (ko) 2023-07-31
WO2022111834A1 (fr) 2022-06-02
CN116568548A (zh) 2023-08-08

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