EP2707240A1 - Système conducteur - Google Patents

Système conducteur

Info

Publication number
EP2707240A1
EP2707240A1 EP20120752583 EP12752583A EP2707240A1 EP 2707240 A1 EP2707240 A1 EP 2707240A1 EP 20120752583 EP20120752583 EP 20120752583 EP 12752583 A EP12752583 A EP 12752583A EP 2707240 A1 EP2707240 A1 EP 2707240A1
Authority
EP
European Patent Office
Prior art keywords
conductor
vehicle
cart
accordance
design
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.)
Withdrawn
Application number
EP20120752583
Other languages
German (de)
English (en)
Other versions
EP2707240A4 (fr
Inventor
Boh Westerlund
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2707240A1 publication Critical patent/EP2707240A1/fr
Publication of EP2707240A4 publication Critical patent/EP2707240A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/02—Details
    • B60M1/04—Mechanical protection of line; Protection against contact by living beings
    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/04—Current collectors for power supply lines of electrically-propelled vehicles using rollers or sliding shoes in contact with trolley wire
    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/04—Current collectors for power supply lines of electrically-propelled vehicles using rollers or sliding shoes in contact with trolley wire
    • B60L5/08—Structure of the sliding shoes or their carrying means
    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/40—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from lines in slotted conduits
    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/42—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from individual contact pieces connected to the power supply line
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/53—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
    • 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
    • B60L53/32—Constructional details of charging stations by charging in short intervals along the itinerary, e.g. during short stops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/30—Power rails
    • B60M1/34—Power rails in slotted conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/36—Single contact pieces along the line for power supply
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/18—Buses
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail 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

Definitions

  • the present invention concerns a system for transmitting electrical energy to at least one electrically powered vehicle, and a procedure (method) for using the system in accordance with the claims.
  • the electrical energy required for propulsion of a vehicle may be supplied to the vehicle by electrical lines via a current collector or similar as is the case with electrically powered trains, subways, trolleys or the like.
  • the electrical energy required for propulsion of vehicles may also be supplied from accumulators in the vehicle that have been charged with electrical energy.
  • Operating electric- powered vehicles with electric energy generated in the vehicle by a generator driven by an internal combustion engine has also long been known.
  • a major problem with the use of contemporary types of current collectors is that they are sensitive to low temperatures and cold climate conditions.
  • One problem is that the vehicle's position relative the current collector may vary depending on ice and other build-ups on the roadway.
  • snow and ice on various types of electrical connections may affect the transfer of energy. Snow and ice may also cause the mechanical parts of electrical transmission devices to malfunction.
  • a number of problems are associated with operating a vehicle with electric energy stored in accumulators in the vehicle.
  • One problem with running a vehicle with electric energy stored in accumulators in the vehicle is that it requires a lot of accumulators in the vehicle for the vehicle to attain a sufficient range.
  • Running vehicles with electric power from accumulators carried by the vehicle, which have been charged with energy before the trip starts, means that the vehicle will be very limited in range or alternatively require a very large accumulator capacity (number of accumulators).
  • WO2009007879 describes different variants of designs in which electrical energy is supplied to the vehicle along the vehicle's route.
  • the described design is intended to be used to transfer electrical energy to passenger cars.
  • a design for transmitting electrical energy to buses and the like at bus stops is also described.
  • the design according to its description differs greatly in relation to the design according to the present patent application.
  • the design according to its description is sensitive for use in cold climates.
  • Even WO0066388 describes a variant of a charging station for electric powered vehicles such as buses.
  • the design includes several charging stations which transmit electrical energy to vehicles equipped with current collectors.
  • the design is based on capacitors in the vehicle being charged by the electrical energy transmitted to the vehicle at loading stations.
  • the design differs in a significant manner in relation to the design according to the present patent application.
  • US5651434 describes a variant of a vehicle with a foldable version of a current collector which connects to a current conductor at for example stops.
  • the design according to its description differs greatly from the design according to the present patent application.
  • the vehicle's current collector is only intended to be connected to the current conductor when the vehicle is stationary.
  • the design is also sensitive when used during winter weather conditions of snow and cold.
  • NL7403570 is described a variant of electric charging stations for electric vehicles, which includes an automatic connection of the current collector and the current conductor.
  • the design according to its description differs from the present invention in significant ways. For instance, the design according to its description is intended to be used by parked vehicles with no specification of how the vehicles are to be connected to the power supplying unit.
  • the main purpose of the present invention is to create a significantly improved system for the transmission of electric energy to electrically powered vehicles.
  • Another purpose of the present invention is to achieve a procedure (method) for using the system according to the present patent application.
  • FIG. 1 shows schematically an exemplifying embodiment of a system in accordance with the present patent application.
  • Fig. 2 shows an exemplifying variant of the conductor line.
  • Fig. 3 shows the current collector in more detail.
  • Fig. 4 shows an alternate variant of the current collector.
  • Fig. 5 and 6 show the connection of the current collector and the conductor line.
  • Fig. 7 shows an alternate embodiment of the positioning device as seen from above.
  • Fig. 8 shows an alternate embodiment of the positioning device as seen from the side.
  • Fig. 9 shows an alternate embodiment of the current collector with its associated spacing element and an alternative variant of the positioning device.
  • Fig. 10 shows an embodiment where two or more vehicles are charged in line.
  • the system 1 includes at least one current collector assembly 3 which is connected to an electrically powered vehicle.
  • the current collector assembly 3 is intended to be temporarily connected together with at least one current conductor 4 which is connected to at least one structure 5, or the like, along the vehicle's route.
  • the current conductor 4 and the structure 5 may preferably be located at a place where the vehicle is temporarily stopped or driven at a relatively low speed. If the vehicle 2 is a bus or other public transport vehicle, the current conductor 4 may preferably be connected to at least one fixed structure 5, such as a building or the like, at a bus stop or at another for the purpose suitable location.
  • the system 1 is preferably included in a larger system that includes a number of vehicles 2, each of which is equipped with at least one current collector assembly 3, which includes at least one collector shoe 11 that is intended to be temporarily connected together with at least one current conductor 4 at any of a number of charging stations along the vehicle's route.
  • the current conductor 4 includes at least one conductor line 6 of an arbitrary length.
  • the length of the conductor line 6 is adapted to each individual situation.
  • the current conductor 4 may also consist of two or more conductor lines 6 which are positioned adjacent to each other.
  • the conductor line 6 is connected to the fixed structure 5 via for example brackets 7, hangers or other for the purpose suitable attachment hardware.
  • the brackets 7, or the like are preferably designed in accordance with previously known techniques and therefore this technique is not described in more detail in this patent application.
  • the conductor line 6 may be of a substantially straight shape but also for all or part of its length be curved, curve-shaped or any other form suitable for the purpose.
  • the conductor line 6 may consist of several straight and/or bent (curve-shaped) parts which are connected together.
  • Fig. 2 shows an exemplifying embodiment of the conductor line 6 which includes at least one elongated inner space 8.
  • the inner space 8 is, at the conductor line's ends and via at least one groove (slit) 9, in the line's axial direction, open to the outside surroundings.
  • at least one conductor rail 10 runs in the axial direction which is intended to be connected to at least one electrical energy source. If the system includes only one conductor line 6, the conductor line includes at least two conductor rails 10. If the system includes two or more conductor lines 6, the conductor lines 6 may include only one conductor rail 10.
  • the current collector assembly's 3 form and design may vary greatly within the scope of the present patent application.
  • the current collector 3 includes at least one collector (contact) shoe 11 or similar, which is intended to be connected to the current carrying conductor rail 10 in the conductor line 6.
  • the collector shoe 11 consists of, in the shown embodiment, a cartlike design 12.
  • the cart-like design 12 is also known as a cart 12, the cart 12 or a cart-like collector 12 in the following description.
  • the cart-like design 12 is intended to be inserted into the inner space 8 of the conductor line 6 via one of the ends of the conductor line 6.
  • the cart-like design 12 is, during use, intended to be drawn through the inner space 8 of the conductor line 6 to the other end of the conductor line 6 where the cart-like design 12 is intended to exit the inner space 8 of the conductor line 6.
  • the cart-like design 12 which includes at least one electrically conductive contact brush (carbon or similar) 13 which during connection with the conductor rail 10, when it is electrically charged, receives electrical energy from the conductor rail 10 and transmits it via at least one electrical conductor (not shown in figures) to the vehicle's electrical system (battery or drive system).
  • the cart-like design includes at least two electrically conductive contact brushes 13a and 13c. If the system includes several conductor lines 6, each respective cart-like design 12 may include only one, or more, electrically conductive contact brushes 13a and 13c.
  • the cart-like design 12 includes at least one first bearing wheel (or wheels) 14 but possibly also at least one second bearing wheel (or wheels) 15.
  • the first wheel (or wheels) 14 and the second wheel (or wheels) 15 are designed to run on the flanges or the like inside the inner space of the conductor line 6.
  • the wheels are preferably made of a material that is not electrically conductive. It is also conceivable that the cart 12 has no wheels.
  • the cart 12 is in such cases bearingly arranged to the conductor line 6 with other types of bearings that are suitable for the purpose. These bearings may for example consist of plain (slide, sliding) bearings.
  • the current collector 3 includes at least one collector arm design 16 or the like which includes at least one first arm 17.
  • the first arm 17 is connected to the electric vehicle 2 and the collector shoe 11.
  • the arm design 16 is maneuverable from at least one retracted position and at least one extended position using at least one control device (not shown in the figures).
  • the control device may for example include one or more pneumatic cylinders which allow for position changes in the arm design's parts.
  • the arm 17 is in its one end 18 pivotally connected via joints or similar to at least one fastening device (fastener) 19 connected to the vehicle's roof.
  • the arm design's 16 arm 17 may be connected to another for the purpose suitable part of the vehicle 2.
  • the collector shoe 11 is via a head 20, or another for the purpose suitable design, pivotally connected with arm 17 in the arm's other end 21.
  • Fig. 4 shows a possible variant of the arm design 16 which includes at least one first arm 17, at least one second arm 22 and at least one third arm 23.
  • the arms 17, 22 and 23 are articulately arranged to the fastening device 19 and the head 20 via ball and socket joints, or with other types of joints or the like.
  • the arms 17, 22 and 23 will during movement move parallel to each other.
  • the cart 12 will always hold a parallel direction relative to the vehicle 2, such as for example to the vehicle's 2 roof, in conjunction with the rotation of the arm design 16 in both the vertical and horizontal directions. This is illustrated by line 24 relative to line 25.
  • the parallel movement of the cart 12 relative to the vehicle 2 may be accomplished by at least one wire or another for the purpose suitable system and device.
  • the arm design also includes a tension function with which changes in distance between the arm design's attachment to the vehicle and the conductor line 6, caused by vehicle movements, may be adjusted.
  • the present invention also includes at least one positioning device 26.
  • the positioning device 26 may in alternative embodiments also be defined as a connection device for connecting the collector shoe 11 to the conductor line 6.
  • the positioning device 26 in the exemplifying embodiment is intended, in conjunction with the connection of the current collector 3 and the current conductor 4, to steer the current collector's 3 cart-like design 12 into the conductor line's 6 inner space 8.
  • Unique to the present invention is that the positioning device 26 allows large variations in the distance between the current conductor's 4 conductor line 6 and the cart-like design 12 in the initial phase of connection between the current conductor's 4 conductor line 6 and the cart-like design 12.
  • the positioning device 26 includes at least one first guide surface 27.
  • the first guide surface 27 consists of a substantially vertical surface.
  • FIG. 1 shows a positioning device 26 which includes at least one upper guide surface (edge) 28 which steers the cart-like design's 12 vertical position (maximum height).
  • the upper guide surface (edge) 28 is also a protection against rain, snow and the like.
  • the collector shoe 11 during the initial stage of connection with the positioning device 26 is initially steered toward the first guide surface 27 after which the collector shoe 11 is steered in the vertical direction upward toward guide surface 28. After that guide surfaces 27 and 28 steer the collector shoe 11 (the cart-like design 12) toward the conductor line 6.
  • Figure 8 shows an alternative embodiment of the positioning device 26 in which the guide surface's 28 vertical height, along the positioning device's 26 length (in the direction of the conductor line), decreases in the direction of conductor line 6.
  • the design allows the cart-like collector 12 to be steered by the guide surface 28 in the vertical downward direction, along the positioning device's 26 length in the direction of conductor line 6.
  • the cart-like design 12 may thus initially be located at a higher vertical elevation than the conductor line 6 and then be steered by guide surface 28, in the direction of the conductor line, down to the conductor line's vertical height.
  • a positioning device 26 it includes a lower guide surface, which extends out from guide surface 27, which steers the cart-like collector upwards in the vertical direction.
  • the positioning device 26 includes at least one upper guide surface 28 and at least one lower guide surface which steers the cart 12 in the vertical direction both from below and from above.
  • the conductor line 6 may also include at least one funnel-like design 30.
  • the funnel-like design 30 gradually steers in and presses together the tensioned contact brushes 13 during the connection of the contact brushes 13 with the conductor rails 10 of the inner space of the conductor line 6.
  • the conductor line 6 has preferably also at least one funnel-like deign 30 in the outgoing end, which is the end of the conductor line 6 where the cart-like collector exits the inner space 8 of the conductor line.
  • the funnel-like design's 30 function during the disconnection of the collector shoe 11 from the conductor line's inner space is that it controls the tensioned contact brushes 13 (in some figures even designated as 13a, 13b and 13c) so that they gradually spring out, rather than suddenly disconnecting from the conductor line.
  • the risk of damage occurring to the contact brushes' 13 bodies in the cart 12 is greatly reduced by this procedure.
  • the funnel-like design's 30 form and design may vary greatly within the scope of the present patent application.
  • the conductor line 6 includes two or more positioning devices 26. For example, one first positioning device 26 may be connected to the conductor line's 6 one end and one second positioning device 26 may be connected to the conductor line's 6 second end.
  • the conductor line 6 along the conductor line's 6 length may include one or more variants (types) of the positioning devices 26 with which the cart-like collector may be inserted into the conductor line 6 from the side or from below, at any position along the conductor line's length.
  • the conductor line 6, in these embodiments may include at least one opening (not shown in the figures) to the side or from below, through which the cart 12 may be drawn into the conductor line.
  • the conductor line 6 may also include branches (not shown in the figures) where one or more conductor lines connect to one or more conductor lines.
  • the conductor line 6 may also allow connection or disconnection at selected locations along the conductor line's, or conductor lines', length (and thus not only at the ends of the conductor line).
  • the system 1 and the positioning device 26 may include at least one sensor (not shown in the figures) which detects the distance between the collector shoe 11 (in the exemplifying embodiment the collector shoe 11 consist of a cart-like design 12) and the positioning device 26 in conjunction with the connection process.
  • the information concerning the distance between the positioning device 26 and the cart 12 is used by at least one control system (not shown in the figures) to steer the relative positions between the cart 12 and the positioning device 26.
  • the current collector 3 is maneuvered by the maneuvering device (not shown in the figures) from a retracted position to an extended position.
  • the system includes a function by which the distance between the positioning device 26 and the cart 12 is automatically measured by at least one sensor
  • information from the sensor is used to steer the cart's 12 position in the direction of the intended target location on the positioning device 26. This may be accomplished by the arm's 17 or the arms' position being steered by at least one maneuvering device (not shown in the figures).
  • the maneuvering device is controlled by at least one control system which uses information from at least one sensor, to steer the current collector 3 and hence the cart's 12 position relative the current conductor 4 and the positioning device 26.
  • the cart-like collector 12 Before the connection of the cart 12 into the inner space 8 of the conductor line 6, the cart-like collector 12 is preferably usually located at a higher or lower vertical level than the level of the conductor line 6. During the beginning of the connection procedure, when the cart 12 engages with the positioning device's guide surface 27, the cart-like collector is automatically steered by the positioning device's guide surfaces in either the vertical, horizontal or both the horizontal and vertical direction in toward the inner space 8 of the conductor line 6.
  • the arm design 16 allows the cart 12, during position changes vertically, or in other or in all directions, to move parallel in relation to the vehicle.
  • a spring-loaded function found in the head 20 allows complete adjustment in relation to the positioning device 26.
  • the positioning device 26 may, as shown in Fig. 7, also include a ramp-shaped structure 40 in the end that is opposite the entrance to the conductor line 6 and so designed that it may catch a prematurely extended collector shoe 11 (such as for example a cart 12) and gently steer it in towards the guide surface 27 and on into the conductor line 6.
  • the ramp 40 may consist of a curved portion of the guide surface 27.
  • the current collector's 3 cart 12 is positioned by the positioning device 26 so that it is brought fully or partially into the inner space 8 of the conductor line 6.
  • the conductor rail 10 of the conductor line 6 or conductor rails 10 of the conductor line 6 are electrically charged.
  • electrical energy may be transferred from the current conductor 4 via the current collector 3 to the vehicle 2.
  • the conductor line 6 preferably includes at least one protective cover 31 which partially surrounds the electrically charged conductor rails 10.
  • the cover protects the conductor rails against undesired human or animal contact, and weather conditions.
  • the protective cover 31 may be integrated with or connected to the conductor line 6.
  • the system 1 may be designed so that the conductor rails (conductors) 10 of the conductor line 6, or conductor lines 6, only be electrically charged when the current collector's 3 cart 12 is connected to the current conductor's 4 conductor rails 10 (as in Fig. 6). When the cart 12 is not connected to the conductor rails 10, the conductor rails 10 are not electrically charged. This design further reduces the risk of any person or animal coming into contact with a charged conductor rail 10. Further, the risk of electrical arcing occurring between the cart's 12 contact brushes 13 and the conductor rails 10 is reduced and hence unnecessary wear on the collector shoe and conductor rails is reduced.
  • the design may include at least one cover (not shown in the figures), such as a hatch, which prevents animals, birds or the like from entering the inner space of the conductor rail from the ends. This procedure also reduces the risk of people and animals coming into contact with electrically charged parts in the conductor line 6. Protection such as a hatch or the like may also include a function with which the collector shoe (the cart-like design) may be cleared of snow, dirt or similar during its engagement with the conductor line 6.
  • the hatch may also be engineered so that it acts as a dislocation device for the cart 12 if, for instance, the cart has become damaged and does not fit in the inner space 8, and therefore needs to be pushed out of the positioning device 26.
  • the system 1 is preferably designed so that the first part after the connection of the cart's 12 contact brushes 13 and the conductor rails 10 occurs with a test procedure to determine satisfactory connection and then a gradually increasing power supply.
  • the system 1 is designed so that the last part before the decoupling of the collector shoe 11 from the conductor rail 10 occurs with a gradual reduction in the power supply. This procedure reduces the risk of electrical arcing and unnecessary wear occurring between the collector shoe's contact brushes 13 and the conductor rail 10.
  • the current collector assembly 3 is preferably completely or partially recessed in a weather protected space (not shown in the figures) in the vehicle.
  • This weather protection may, in its simplest form, be achieved by a weather protected space being closed by a hatch (not shown in the figures) or the like after the current collector is completely or partially inserted into the weather protected space.
  • This space includes preferably at least one heat-generating unit (not shown in the figures) whose heat-generating output is for example regulated in relation to temperature, humidity and the like.
  • the design may include sensors that detect the presence of snow, ice and moisture on the recessed parts, which controls the turning on and off of the heat-generating device.
  • the design in an alternative embodiment may include at least one heat-generating unit (not shown in the figures) in the conductor line 6. This may for example consist of a heating cable or a heating fan.
  • the heat-generating unit in the conductor line is intended to reduce the problems which arise from a humid climate and the like.
  • Fig. 9 shows how the current collector assembly 3 in an alternative embodiment includes at least one member 32.
  • the member 32 is preferably connected to the cart-like design 12.
  • the member's 32 function is to create a distance between the cart 12 and the positioning device 26 and thereby prevent or substantially reduce the possibility of the cart's 12 contact brushes 13a, 13b and 13c from coming into contact with the positioning device 26.
  • the member 32 also has the task of guiding the cart-like design 12 in relation to the positioning device 26.
  • the member 32 may, as in the shown embodiment consist of a block-like design 33 which on its one side 34 is connected to the cart 12, the head 20 or another suitable part of the current collector 3.
  • the block 33 includes at least one first plane 36.
  • the plane 36 is in the shown embodiment directed in a substantially vertical direction.
  • the plane 36 may in alternative embodiments be directed in another direction suitable for the purpose.
  • the first plane 36 may be comprised of one or more sub-areas.
  • the first plane 36, on the block-like design 33 is designed to come into contact with the positioning device's 26 guide surface 27.
  • the positioning device's 26 guide surface 27 steers in this manner the cart-like design 12 via the first plane 36 on the block 33.
  • the block 33 may also include a second plane (edge) which is intended to come into contact with a second upper guide surface 38, or alternatively, a second lower guide surface, in the positioning device 26 which is designed to steer the cart-like design 12 in the vertical direction toward the conductor line 6.
  • Fig 10 shows a situation where two or more vehicles 2, exemplified by vehicles 2a and 2b, are charged at the same conductor line 6. Both (all) vehicles are connected for charging to the conductor line 6 by means of current collector assemblies 3 and collector shoes 11, exemplified by shoes 11a and 1 lb.
  • the conductor rail or rails 10 are divided into at least two different parts, exemplified by rails 10a, 10b, and 10c. Each part is able to charge a vehicle 2, which allows separate charging of at least two vehicles at the same time or essentially the same time.
  • the separate charging of the vehicles, 2a and 2b or more are controlled by at least one charging system (not shown). If more than one charge occurs at the same conductor line 6 at the same time, more than one positioning device 26 may for example be included.
  • the ramp-shaped structures 40, 40a, 40b and 40c may be able to detect their engagement and disengagement with the cart-like design or designs 12. This for example would allow for an automatic power shut-off essentially at the time when the cart 12 breaks contact with the conductor rail or rails 10 and also for an automatic power turn-on essentially at the time when the cart 12 makes or is about to make contact with the conductor rail or rails 10.
  • the length and number of conductor rails 10 may vary greatly within the scope of the present invention.
  • the present invention achieves a number of advantages.
  • the most important advantage is that the present invention provides for the possibility of charging batteries/electric propulsion being available when the vehicle is in motion at the same time that the power transfer is protected from harmful weather conditions and undesired human and animal contact.
  • a further advantage of the present invention is that external electrical energy may be added to the vehicle in connection with acceleration after a stop at for example a bus stop.
  • a still further advantage of the present invention is that it may be used for electrifying longer routes along streets and highways and even make it possible to create so called "electric highways" with a system that allows use during all kinds of weather conditions and with a conductor rail system that is sleek and compact compared with traditional Trolley systems and recently presented designs.
  • a yet further advantage of the present system and procedure (method) is that it reduces the risk of electrical arcing and unnecessary wear occurring which improves safety, performance and longevity.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

La présente demande de brevet porte sur un système conducteur (1) destiné à transmettre de l'énergie électrique à au moins un véhicule à alimentation électrique (2) le long d'au moins une section intermédiaire du trajet du véhicule. Le système (1) comprend au moins un conducteur de courant (4) monté rigidement sur le trajet du véhicule, d'une longueur arbitraire, destiné à être temporairement connecté à au moins un ensemble collecteur de courant (3) solidaire du véhicule (2). La caractéristique unique du présent système consiste en ce qu'alors qu'il est en mouvement, un véhicule à propulsion électrique ou à assistance électrique (2) peut être connecté à un conducteur de courant qui est protégé des intempéries ainsi que du contact avec les êtres humains et avec les animaux, de sorte que le système de batterie du véhicule peut être rechargé, que le véhicule soit en mouvement ou à l'arrêt.
EP12752583.0A 2010-11-03 2012-01-02 Système conducteur Withdrawn EP2707240A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1001073A SE537626C2 (sv) 2010-11-03 2010-11-03 Strömavtagare
PCT/SE2012/000001 WO2012118422A1 (fr) 2010-11-03 2012-01-02 Système conducteur

Publications (2)

Publication Number Publication Date
EP2707240A1 true EP2707240A1 (fr) 2014-03-19
EP2707240A4 EP2707240A4 (fr) 2015-07-29

Family

ID=46171029

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12752583.0A Withdrawn EP2707240A4 (fr) 2010-11-03 2012-01-02 Système conducteur

Country Status (3)

Country Link
EP (1) EP2707240A4 (fr)
SE (1) SE537626C2 (fr)
WO (1) WO2012118422A1 (fr)

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EP3575138A1 (fr) * 2018-05-14 2019-12-04 Faiveley Transport Czech a.s. Dispositif de transfert de courant électrique accru vers un trolleybus fixe, en particulier pour recharger des batteries de traction

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SE536908C2 (sv) * 2013-01-18 2014-10-28 Enega AB Anordning för att åstadkomma eldrift av tunga fordon
MX365455B (es) 2013-04-05 2019-06-04 Abb Schweiz Ag Aparato de conexion para conectar un vehiculo accionado electricamente a una estacion de carga.
PL224554B1 (pl) 2013-09-15 2017-01-31 Ekoenergetyka Polska Spółka Z Ograniczoną Odpowiedzialnością Konstrukcja złącza do ładowania akumulatorów pojazdu, zwłaszcza autobusu elektrycznego
CN105705371B (zh) * 2013-11-06 2017-12-01 本田技研工业株式会社 电动车辆的接触充电方法及接触充电系统
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PL230883B1 (pl) 2015-02-12 2018-12-31 Ec Eng Spolka Z Ograniczona Odpowiedzialnoscia Zespół szybkiego ładowania pojazdów wyposażonych w napęd elektryczny oraz element ślizgowy
JP2020500499A (ja) * 2016-11-10 2020-01-09 アルグレット ヤニックALGRET, Yannick 集電装置
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Also Published As

Publication number Publication date
SE1001073A1 (sv) 2012-05-04
EP2707240A4 (fr) 2015-07-29
WO2012118422A1 (fr) 2012-09-07
SE537626C2 (sv) 2015-08-18

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