EP4313662A1 - Collecteur de courant pour véhicule routier électrique ou hybride - Google Patents

Collecteur de courant pour véhicule routier électrique ou hybride

Info

Publication number
EP4313662A1
EP4313662A1 EP22738463.3A EP22738463A EP4313662A1 EP 4313662 A1 EP4313662 A1 EP 4313662A1 EP 22738463 A EP22738463 A EP 22738463A EP 4313662 A1 EP4313662 A1 EP 4313662A1
Authority
EP
European Patent Office
Prior art keywords
contact
current collector
rocker
strips
strut
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
EP22738463.3A
Other languages
German (de)
English (en)
Inventor
Florian BÜHS
Holger Schererz
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.)
Siemens Mobility GmbH
Original Assignee
Siemens Mobility 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 Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Publication of EP4313662A1 publication Critical patent/EP4313662A1/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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22—Supporting means for the contact bow
    • B60L5/24—Pantographs
    • 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
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/19—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire using arrangements for effecting collector movement transverse to the direction of vehicle motion
    • 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
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22—Supporting means for the contact bow
    • B60L5/26—Half pantographs, e.g. using counter rocking beams
    • 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
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22—Supporting means for the contact bow
    • B60L5/28—Devices for lifting and resetting the collector
    • 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
    • B60L5/36—Current collectors for power supply lines of electrically-propelled vehicles with means for collecting current simultaneously from more than one conductor, e.g. from more than one phase

Definitions

  • the invention relates to a current collector for an electrically or hybrid-electrically driven road vehicle according to the preamble of patent claim 1.
  • Such a generic current collector is known, for example, from published application DE 102017 203 046 A1. It comprises an articulated support linkage which, on the contact wire side, carries a rocker arrangement with at least one contact strip for each contact pole and, on the vehicle side, has a base joint for supporting it on the road vehicle.
  • the current collector also includes a lifting drive which is coupled to the supporting linkage in such a way that the contact strips can be raised from a lower storage position to an upper contact position.
  • the support linkage of the known current collector has a separate upper arm, correspondingly the rocker arrangement has its own rocker with contact strips for each contact pole, with each of the two upper arms carries one of the seesaws.
  • the two upper arms are connected to the lower arm via a joint knee joint, but can be rotated independently of one another against the lower arm, so that the two rockers, which are electrically isolated from one another, can assume different vertical positions.
  • unevenness in the road surface, rolling of the road vehicle and contact wires hanging at different heights can be compensated for in order to keep the contact forces between contact strips and contact wires as constant as possible during operation of the road vehicle and to minimize contact losses.
  • the well-known pantograph has many and complicated items and requires a precise and complex setting before and during integration into a road vehicle.
  • the invention is therefore based on the object of providing a current collector of the type mentioned with which a uniform contact force between the contact strips and contact wires of the overhead line system can be achieved with a simpler structure.
  • the support linkage is pantograph-like and includes a lower arm and - in contrast to the current from participants described above - only an upper arm, which is connected to the forearm via a knee joint.
  • the rocker arrangement has a rocker box with an upper crossbeam and a lower crossbeam, which are arranged parallel or approximately to one another.
  • the upper crossbeam is connected to the lower crossbeam in the middle by a central strut and on both sides by a side strut.
  • the central strut and side struts are arranged parallel or approximately parallel to one another and have swivel joints at the six connection points, each with a rotational degree of freedom defined by a rotational axis.
  • the six axes of rotation run parallel to one another, so that the see-saw box forms a parallelogram or approximately a parallelogram with fixed sides. ten lengths but changeable interior angles defined. When mounted on a road vehicle, these axes of rotation run parallel to a longitudinal axis of the vehicle.
  • the upper arm is connected to the central strut via a seesaw joint, which enables a rotary movement between the parallelogram plane of the seesaw box and the upper arm.
  • the axes of rotation of the rocker joint, the knee joint and the base joint run parallel to one another and, when mounted on a road vehicle, parallel to a vehicle transverse axis.
  • the sliding strips of the two contact poles are supported symmetrically to the center strut on the rocker box.
  • two contact strips arranged one behind the other can be provided for each contact pole, which run parallel to one another and, when mounted on a road vehicle, parallel to a vehicle transverse axis.
  • the current collector according to the invention implements a simple one-arm construction of the pantograph, so in addition to a lower arm, only one upper arm is required, and it also enables a height difference between the contact strips of the two contact poles.
  • the contact strips are supported on the rocker box symmetrically to the central strut and thus symmetrically to the upper arm of the support rods and can move vertically due to the parallelogram mechanism of the rocker box - to the extent that the contact strips of one contact pole are lowered, the contact strips of the other are contact pole raised.
  • the symmetrical introduction of the contact forces into the rocker box allows a constant pressure force on the contact strips of both contact poles, regardless of the lateral contact point of the contact wires on the contact strips.
  • the inventive construction of the current collector simplifies its assembly, its integration into a road vehicle and its maintenance.
  • the reduced number of parts results in a lower weight and improved vibration properties of the current collector according to the invention.
  • the upper arm is connected in an articulated manner to a base frame of the current collector via a pull rod and the lower arm is connected to the central strut via a coupling rod in such a way that the central strut is vertically aligned and parallel when the contact strips are raised and lowered.
  • the linkage consisting of the lower and upper arm as well as the pull and coupling rod form a parallel guide for the seesaw box, so that its parallelogram plane always remains vertically aligned when the current collector is connected and disconnected.
  • the contact strips are supported resiliently on the Wip pen box.
  • a spring reduces the shock load when contact is made between the contact strips and the contact wires, thereby reducing the risk of spalling or eruptions from the carbon pieces of the contact strips when wiring.
  • vertical movements of the chassis caused for example by braking or steering acceleration of the road vehicle or by bumps in the road, are not transferred without springs to the contact strips that are in sliding contact with the contact wires.
  • the resilient support can be formed by linearly guided spring cups between the Wip pen box and contact strips.
  • leaf springs can be attached to the seesaw box, which can protrude laterally, for example, and on which the contact strips are supported.
  • the crossbeams of the seesaw box can be designed to be resiliently bendable, so that the contact strips can perform a spring movement due to the bending of the crossbeams by being supported on the side struts.
  • the pantograph is a rotary movement of the cross beams about the axes of rotation of the pivot joints of the center strut limited by means of limitation.
  • the rotational movement i.e. the maximum permitted angle of rotation of the crossbar from the horizontal
  • the setting of the permissible height difference between the contact poles can be shifted directly into the rocker arrangement and there to different places.
  • the limiting means can be designed as mechanical stop elements against which one or both crossbeams strike when the maxima len angle of rotation is reached.
  • the limiting means can be integrated into one or more of the six pivot joints of the Wippenkas least. For reasons of redundancy, a combination of the limiting means mentioned can also be chosen.
  • the rocker arrangement has a protective bar which is arranged and shaped in such a way that a contact wire is prevented from entering a gap between the two contact poles below a contact strip.
  • the protective bar can be mounted at its ends via a bracket joint on the rocker box or on the contact strips or on discharge horns in such a way that it bridges the gap between the two contact strips of the contact poles for all height differences.
  • the protective bar can be formed by the inner discharge horns themselves if these discharge horns of the two contact poles overlap sufficiently in all vertical positions of the contact strips.
  • the rocker arrangement carries only one contact strip per contact pole. In comparison to the usual two sliding strips arranged one behind the other in the direction of travel for each contact pole, this simplifies the pantograph according to the invention, which reduces component and assembly costs.
  • the coupling rod can be extended by a linear joint in order to be able to adjust the position of the otherwise vertically oriented parallelogram plane of the rocker box when the contact wire rises or falls relative to the roadway or when the road vehicle pitches.
  • the invention also relates to a road vehicle with an electric or hybrid electric drive and with a current collector according to one of Claims 1 to 8.
  • FIG. 1 shows a first exemplary embodiment of a current collector according to the invention
  • FIG. 3 shows a second exemplary embodiment of a current collector according to the invention with limiting elements
  • FIG. 4 shows a third embodiment of a current collector according to the invention with leaf springs
  • FIG. 5 shows a fourth exemplary embodiment of a current collector according to the invention with flexible transverse bars
  • FIG. 6 shows a fifth exemplary embodiment of a current collector according to the invention with a protective bracket
  • FIG. 7 shows the current collector from FIG. 6 when there is a difference in height between the contact strips
  • 8 shows a sixth exemplary embodiment of a current collector according to the invention with a different protective bracket
  • FIG. 9 shows the current collector from FIG. 8 when there is a difference in height between the contact strips.
  • a road vehicle 1 is equipped with a pantograph 2 for feeding in traction energy from a two-pole contact wire 3 designed as a forward and return conductor and equipped with the overhead line system.
  • the road vehicle 1 can be a heavy commercial vehicle, such as a tractor unit or a bus, has an electric or hybrid electric traction drive. From the road vehicle 1 only one point connected to the chassis is indicated, on which the pantograph 2 is supported. From the overhead line system, only the two contact wires 3 are shown, which run via hangers on suspension cables above the electrified lane of a roadway driven by the road vehicle 1 NEN roadway.
  • the pantograph 2 includes an articulated support linkage 4, which is designed as a pantograph-like half scissors and egg NEN is supported via a base joint 5 on the road vehicle 1 collapsing lower arm 6 and an upper arm 8 connected to this via a knee joint 7 has.
  • a tie rod 9 articulated connects the vehicle end of the upper arm 8 with the road vehicle 1 or with an associated Grundrah men of the pantograph 2.
  • a coupling rod 10 is articulated to the lower arm 6.
  • the support linkage 4 described is shown in FIG. 1 in a side view for reasons of illustration; a longitudinal axis of the vehicle would therefore extend from right to left for this part of the figure.
  • the contact wire side supported by the support linkage 4 Wippenanord voltage 11 is shown in FIG 1 for reasons of representation in a front view, a vehicle longitudinal axis would be suitable for therefore stretch this part of the figure perpendicularly to the plane of the drawing.
  • the rocker arrangement 11 carries only one contact strip 12 for each contact pole, which are parallel to one another and transverse to the longitudinal axis of the vehicle.
  • Each contact strip 12 comprises an elongated piece of carbon with an upward-facing contact surface, which is ground down by the contact wire 3 for energy transmission while driving, and at each of its ends a downward-curved discharge horn 13.
  • the rocker arrangement 11 has a rocker box 14 with an upper crossbar 15 and a lower crossbar 16 which are arranged parallel or approximately parallel to one another.
  • the upper crossbar 15 is connected to the lower crossbar 16 in the middle by a central strut 17 and at the ends by a side strut 18 each.
  • Central strut 17 and side struts 18 are arranged parallel or approximately parallel to one another and have rotary joints 19 each with a rotational degree of freedom R at the six connection points.
  • the six axes of rotation run parallel to one another, perpendicularly to the plane of the drawing in FIG. 1, so that the rocker box 14 defines a parallelogram or approximately a parallelogram.
  • the center strut 17 is connected to the upper arm 8 via a rocker joint 20 and to the coupling rod 10 via a coupling joint 21, which allows a rotational movement of the parallelogram plane of the rocker box 14 relative to the upper arm 8 and coupling rod 10.
  • the axes of rotation of the rocker joint 20, the coupling joint 21, the knee joint 7 and the Basisge steering 5 running parallel to each other and to the vehicle transverse axis.
  • the pantograph 2 also includes a lifting drive 22 designed, for example, as an air bellows, which is coupled, for example, via a bellows lever 23 to the support linkage 4 in such a way that the contact strips 12 can be raised from a lower storage position into an upper contact position.
  • the support linkage 4 forms a parallel guide for the seesaw box 14, so that its parallelogram plane when lifting and Lowering the rocker assembly 11 always remains vertically aligned.
  • the contact strips 12 of the two contact poles are supported symmetrically to the central strut 17 and thus symmetrically to the upper arm 8 of the support linkage 4 on the side struts 16 of the rocker box 14 .
  • the sliding strips 12 can move verti cal due to the parallelogram mechanism of the rocker box 14 and thus adapt to height differences Ah between the contact wires 3 according to FIG.
  • the crossbars 15, 16 each rotate by an angle of rotation against the Ho zontale. This enables a symmetrical introduction of the contact forces into the rocker box 14, which leads to a constant pressing force of the contact strips 12 of both contact poles, regardless of the lateral contact point of the travel wires 3 on the contact strips 12.
  • the rotational movement of the crossbars 15, 16 about the axes of rotation of the pivot joints 19 of the central strut 17 is limited according to FIG 3 by means of loading.
  • the Be limiting means can be designed as mechanical stop elements 24, against which the crossbars 15, 16 strike at the maximum angle of rotation.
  • the contact strips 12 are resiliently supported on the seesaw box in order to reduce the shock load when contact is made between the contact strips 12 and the contact wires 6, thereby reducing the risk of spalling or breakouts from the carbon pieces of the contact strips 12 when wiring.
  • the resilient support can be formed according to FIG. 1 to FIG. 3 and FIG. 6 to FIG.
  • laterally protruding Blattfe countries 26 can also be attached to the rocker box 14, on which the contact strips 12 are supported.
  • the crossbeams 15, 16 of the Wip penkastens 14 can also be designed to be resiliently bendable, so that the sliding strips 12 can perform a spring movement by bending the crossbeams 15, 16 by supporting them on the sides.
  • the rocker assembly 11 has a
  • the protective bar 27 can be mounted at its ends via a bracket joint 28 according to FIG. 6 and FIG. 7 on the seesaw box 14 or according to FIG. 8 and FIG. 9 on the discharge horns 13 of the contact strips 12.
  • the protective bar 27, which is curved upwards, bridges the gap between the two contact strips 12 for all height differences Ah. It thus prevents a contact wire 3 from plunging into a gap between the two contact poles below a contact strip 12. This prevents a contact wire 3, the during a steering maneuver of the road vehicle 1, the coal piece leaves a contact strip 12 in the direction of the gap or intermediate space, due to the righting moment of the lifting drive 22 in the space below a contact strip 12 ge advises. This prevents damage to the pantograph 2 and overhead line system caused by a contact wire 3 being threaded into the space.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

L'invention concerne un collecteur de courant (2) pour un véhicule électrique (1) permettant l'alimentation en énergie de traction à partir d'un système de ligne aérienne à deux pôles. Le collecteur de courant comprend une liaison de support articulée (4) qui, sur le côté fil de contact, porte un ensemble oscillant (11) pourvu d'au moins une bande de contact (12) par pôle de contact et, qui sur le côté véhicule, présente un raccord de base (5) pour assurer le support sur le véhicule routier (1). Un entraînement de levage (22) est accouplé à la liaison de support (4) de telle sorte que les bandes de contact (12) peuvent être relevées dans une position de contact supérieure. Grâce à l'invention, la liaison de support (4) est formée comme un pantographe doté d'un bras inférieur (6) et d'un bras supérieur (8) relié au bras inférieur par l'intermédiaire d'un raccord à coude (7). L'ensemble oscillant (11) présente un cadre oscillant (14) pourvu d'une poutre transversale supérieure (15) et d'une poutre transversale inférieure (16) qui sont reliées au centre par une entretoise centrale (17) et sur chaque côté d'extrémité par une entretoise latérale (18) sur des raccords tournants (19). Le bras supérieur (8) est relié sur le côté fil de contact à l'entretoise centrale (17) par l'intermédiaire d'un raccord oscillant (20). Les bandes de contact (12) des deux pôles de contact sont supportées par le cadre oscillant (14) symétriquement par rapport à l'entretoise centrale (17). De cette manière, un collecteur de courant (2) présentant une construction plus simple et une force de contact constante peut être obtenu entre des bandes de contact (12) et des fils de contact (3) du système de ligne aérienne.
EP22738463.3A 2021-07-21 2022-06-29 Collecteur de courant pour véhicule routier électrique ou hybride Pending EP4313662A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021207821.4A DE102021207821A1 (de) 2021-07-21 2021-07-21 Stromabnehmer für ein elektrisch oder hybridelektrisch angetriebenes Straßenfahrzeug
PCT/EP2022/067856 WO2023001511A1 (fr) 2021-07-21 2022-06-29 Collecteur de courant pour véhicule routier électrique ou hybride

Publications (1)

Publication Number Publication Date
EP4313662A1 true EP4313662A1 (fr) 2024-02-07

Family

ID=82446638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22738463.3A Pending EP4313662A1 (fr) 2021-07-21 2022-06-29 Collecteur de courant pour véhicule routier électrique ou hybride

Country Status (4)

Country Link
EP (1) EP4313662A1 (fr)
CN (1) CN117500686A (fr)
DE (1) DE102021207821A1 (fr)
WO (1) WO2023001511A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022205322A1 (de) 2022-05-27 2023-11-30 Siemens Mobility GmbH Stromabnehmer und mit einem solchen ausgestattetes Straßenfahrzeug
DE102022210217A1 (de) 2022-09-27 2024-03-28 Siemens Mobility GmbH Stromabnehmer
CN117284089B (zh) * 2023-10-12 2024-04-09 山东正晨科技股份有限公司 一种电气化公路接触网

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR78582E (fr) * 1960-10-19 1962-08-10 Karl Wanisch Balai muni d'un dispositif d'amortissement pour motrices électriques
DE102011076620A1 (de) * 2011-05-27 2012-11-29 Siemens Aktiengesellschaft Nicht schienengebundenes Fahrzeug
DE102012213460A1 (de) * 2012-07-31 2014-02-06 Siemens Aktiengesellschaft Nicht schienengebundenes Fahrzeug
DE102017203046A1 (de) 2017-02-24 2018-08-30 Siemens Aktiengesellschaft Stromabnehmer für mehrpoliges Fahrleitungssystem

Also Published As

Publication number Publication date
CN117500686A (zh) 2024-02-02
WO2023001511A1 (fr) 2023-01-26
DE102021207821A1 (de) 2023-01-26

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