EP1844829A2 - Collecteur de courant pour trains miniatures électriques - Google Patents

Collecteur de courant pour trains miniatures électriques Download PDF

Info

Publication number
EP1844829A2
EP1844829A2 EP07105882A EP07105882A EP1844829A2 EP 1844829 A2 EP1844829 A2 EP 1844829A2 EP 07105882 A EP07105882 A EP 07105882A EP 07105882 A EP07105882 A EP 07105882A EP 1844829 A2 EP1844829 A2 EP 1844829A2
Authority
EP
European Patent Office
Prior art keywords
sliding contact
arrangement according
pantograph
current collector
headband
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.)
Granted
Application number
EP07105882A
Other languages
German (de)
English (en)
Other versions
EP1844829B1 (fr
EP1844829A3 (fr
Inventor
Philipp Pötzelsberger
Johann Steindl
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.)
Modelleisenbahn GmbH
Original Assignee
Modelleisenbahn 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
Priority claimed from DE200610016794 external-priority patent/DE102006016794A1/de
Application filed by Modelleisenbahn GmbH filed Critical Modelleisenbahn GmbH
Publication of EP1844829A2 publication Critical patent/EP1844829A2/fr
Publication of EP1844829A3 publication Critical patent/EP1844829A3/fr
Application granted granted Critical
Publication of EP1844829B1 publication Critical patent/EP1844829B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H19/00—Model railways
    • A63H19/02—Locomotives; Motor coaches
    • A63H19/10—Locomotives; Motor coaches electrically driven
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H19/00—Model railways
    • A63H19/16—Parts for model railway vehicles

Definitions

  • the invention relates to a pantograph arrangement for electrically operated, track-guided model drive vehicles, comprising a running in the longitudinal direction of the vehicle, strip-shaped, at the longitudinal ends respectively angled sliding contact with a first elasticity and standing with the sliding contact on its side facing away from the wire headband, which is a second Has elasticity, wherein headband and sliding contact can perform a relative movement to each other, and with a mounting plate, which is connected to the headband, according to the preamble of patent claim 1 and an active linkage for such a current collector assembly.
  • Pantographs for model vehicles are for example from the DE 23 36 062 A1 or the DE 22 32 103 A1 previously known.
  • the illustrated pantograph is mountable on the underside of a model vehicle.
  • the provided as a grinding handle tapping element can receive a provided on the track electrical potential, so that a power supply is ensured to an electric motor drive.
  • DE 22 32 103 A1 shows a pantograph with a rigid slider-iron, with respect to the existing there resiliently compliant and holding device.
  • the contact plate after AT 411 330 B is from a first, largely rectilinear basic position in a second, arch-shaped curved position and resiliently without external force in the largely rectilinear basic position resiliently resetting.
  • the sliding contact can after AT 411 330 B take two different shape states.
  • the first shape state which corresponds to the idle state of the sliding contact, this is rectilinear and is in electrical connection with a plurality of mating contacts. Due to the low inherent rigidity of the contact plate, a shock and impact-free contact with the point contacts is achieved after the contact plate to the point contacts, especially in height certain production tolerances underlying, nestle or can match.
  • the ability to compensate for dimensional tolerances due to the elasticity of the spring also counteracts the development of bouncing vibrations, which otherwise propagate over the entire current collector.
  • the previously known current collector or its contact pads can also assume the aforementioned second state with an upwardly curved shape as a result of the acting forces. This is to exclude short circuits between areas of the track system with different potentials when the pantograph crosses a rail of a crossing or merging track.
  • pantograph is, despite its positive Characteristics due to reduced noise relatively tall construction and includes a larger number of parts with the result of higher costs in manufacture and assembly. In addition, it has been shown that the transition from a flat to a concave deflection of the contact plate, the contact reliability is not guaranteed under all circumstances. Ultimately, another drawback of the pantograph is after AT 411 330 B the above-mentioned building form. The state of the art is still on the DE 202 07 450 U1 directed.
  • pantograph arrangement for electrically operated, track-guided model drive vehicles.
  • the customer is to avoid short circuits when crossing over turnouts, optionally have a functional transport safety device and there should be a possibility that the customer undergoes an articulation or forward steering with curvy track guide.
  • each angled sliding contact owning pantograph assembly should continue to consist of as few parts, easy to install and have a low overall height to find suitability for model vehicles of different sizes and gauges.
  • pantograph arrangement according to feature combination of claim 1 and an articulation according to claim 27, wherein the dependent claims represent at least expedient refinements and developments.
  • the current collector arrangement has a minimized number of parts.
  • the arrangement comprises only the strip-shaped sliding contact with associated elastic headband, which headband and sliding contact can perform a relative movement to each other and are in electrical connection.
  • the sliding contact is according to the invention following in the Resting state, ie formed without external force so that it has a convex, outwardly curved shape.
  • the sliding contact has a center-oriented taper from one end.
  • the sliding contact deforms and adapts to the course of the point contacts, which are arranged substantially straight in the track to.
  • each electrically effective contact surface and it reduces the contact resistance.
  • tearing sparks and thus electromagnetic interference are avoided.
  • the mounting plate may be provided eccentrically in length, resulting in a shorter and a longer sliding contact portion.
  • the Leksendabwinklung the sliding contact of the described first embodiment of the invention each have a loop shape, wherein the mutually facing loop ends have two finger-like, spaced, downwardly open projections for guiding the ends of the retaining clip.
  • Ausgestaltend extends at least one spring clip from the headband center area in the direction of the sliding contact and forms a transport safety.
  • the ends of the retaining clip are executed in a preferred embodiment of the invention as runners or have a runner shape.
  • the finger-like projections of the loops of the sliding contact are directed to the inner surface of the sliding contact, so that a secure hold and a guide between the bracket and the sliding contact results.
  • the retaining bracket In its middle region, the retaining bracket has molded tabs, which fix the mounting plate by bending or crimping.
  • a through hole or opening is provided to fix the current collector on the vehicle floor or an articulation part.
  • the first elasticity of the strip-shaped sliding contact is less than the second elasticity of the retaining clip or has the same degree.
  • a separable in the longitudinal direction, two-part support member is additionally provided, which receives on the one hand bent end portions of the retaining clip and on the other hand, the angled longitudinal ends of the sliding contact at least positively.
  • This in turn particularly flat construction embodiment has a support member which is composed of two complementary, provided with connecting means webs.
  • the second complementary support member part with the first part or web is preferably positively connected.
  • the support member may have at its front underside a runner arch shape which extends complementary to the bend of the longitudinal ends of the associated sliding contact.
  • the support member has on its front sides latching noses for positive connection with the corresponding ends of the sliding contact, wherein the ends of the sliding contact have matching recesses.
  • latching noses for positive connection with the corresponding ends of the sliding contact, wherein the ends of the sliding contact have matching recesses.
  • the bent end portions of the retaining bracket are virtually in the interior of the support element in electrical connection with the inner surface of the sliding contacts.
  • Ausgestaltend it is possible to form on the longitudinal undersides of the webs each have a leading edge for limiting a lateral movement of the sliding contact.
  • This leading edge is formed on the outside at least over part of its length as an inclined surface with a chamfer.
  • the intended transport lock is designed so that extends from the headband center area at least one spring clip in the direction of the sliding contact to hold headband and sliding contact to each other, the length of the spring clip is shorter than the distance between headband center area and sliding contact in the working state of the pantograph ,
  • the spring clip can be formed in a preferred embodiment of the headband.
  • headband including spring clip consists of a metal stamped / bent part in one-piece form.
  • the spring clip can also be connected as a separate part with the mounting plate.
  • the spring clip has an S-arch shape.
  • the transport lock can be released.
  • the elasticity of the retaining bracket this comes at a distance from the sliding contact or the support element.
  • two spring clips extend on both sides and opposite in the middle of the retaining bow.
  • the attachment plate is connected to a coupling part located on the model drive vehicle, wherein the linkage part guided guided relative to the direction of movement of the vehicle is laterally pivotable.
  • a disc-shaped driver For laterally guiding the linkage member and the overall pantograph assembly associated with this member, e.g. provided on the axis of a wheel set of the traction vehicle, a disc-shaped driver, which transmits this movement in a laterally Radsatzterrorism on a guide finger assembly, which in turn is in operative connection with the articulation part or part of this articulation part.
  • the articulation part is pivotally connected at its side opposite the guide finger arrangement to the model drive vehicle via a bolt or a similar joint.
  • pantograph assembly follows when crossing over turnouts essentially parallel to the course of the respective track section, without causing unwanted, the operation of the model vehicle disturbing short circuits.
  • the linkage member is transverse to the longitudinal axis of the model drive vehicle, e.g. displaceable by a slot guide.
  • the displacement movement of the linkage part is triggered or influenced by a precursor wheel set.
  • a precursor wheel set engages an extension with groove of the precursor wheel set in a pin, which is located on the articulation part.
  • Fig. 1 (from top to bottom) a bottom view of the pantograph, a side view and a top view of the pickup and a perspective view of the same;
  • Fig. 1a is an illustration of the current collector of Figure 1 with particular side caps.
  • Fig. 2 is an assembled perspective view of a current collector with two-part support member according to the second embodiment
  • FIG 3 is a perspective view of the underside of the current collector according to the second embodiment of the invention, even without inserted sliding contact.
  • Fig. 4 is a diagram for explaining the mounting of the current collector assembly according to the second embodiment of the invention.
  • Figure 5 is a perspective view of the retaining clip according to the second embodiment of the invention with not yet bent tabs for fixing the mounting plate.
  • Fig. 6 is a perspective view of the pantograph with activated spring clip as a transport lock
  • Fig. 7 is a view similar to Figure 6, but with dissolved transport lock.
  • FIG. 8 is an illustration of the underside of a model drive vehicle with two wheelsets and linkage part for the current collector arrangement in the first embodiment
  • FIG. 9 shows a view of the underside of a model drive vehicle with mounted pantograph arrangement, which follows lateral movements of the wheel set by the articulation part (FIG. 8) in order to prevent short circuits, in particular when driving over turnouts;
  • FIG. 10 is a perspective view of the underside of a model drive vehicle with precursor wheel and coupling part for the current collector assembly in the second embodiment and
  • FIGS. 11 and 12 are bottom side views of the second embodiment for actuating the linkage part when driving straight ahead (FIG. 11) and when passing over bends or points (FIG. 12).
  • the current collector arrangement according to the illustrations according to FIG. 1 serves to supply electrically powered model drive vehicles and is usually mounted in the area of the vehicle underbody.
  • the pantograph assembly comprises a longitudinal direction of the Vehicle running strip-shaped, at the longitudinal ends of each angled sliding contact 1, with a convex in the resting state, outwardly bent or curved shape.
  • the sliding contact 1 is both mechanically and electrically connected to a headband 2 in connection.
  • the fixing of the current collector on the model drive vehicle takes place with the aid of the attachment plate 3, which can be executed, for example, as a plastic injection molded part.
  • the L jossendenabwinklung of the sliding contact 1 has a loop shape 4, wherein the mutually facing loop ends have two finger-like, spaced-apart projections 5 for guiding the respective ends of the retaining clip 2.
  • the ends of the retaining clip have the shape of a runner 6, so that a sliding contact with the corresponding inner surface of the sliding contact 1 can take place even with relative movement of the elements retaining bracket 2 and sliding contact 1 to each other.
  • molded tabs 7 are present, which fix the mounting plate 3 by bending or crimping.
  • FIG. 1a shows a current collector of the basic construction as shown in FIG. 1, with additional lateral insulating caps 24. These insulating caps prevent unwanted contact of the metallic sliding contact with external potential, in particular during a curve passage of a rail-guided model railway vehicle Pantographs is provided.
  • the two-part insulating consists of a plastic material, the end portions 25 of the loop shape 4 are adjusted.
  • connection of the two Isolierkappenmaschine 24 is effected by a father-mother connector assembly 26 which is executable latching.
  • the complete two-piece insulating cap exerts no deformation forces on the Slip contact and does not hinder its spring properties.
  • the finger-like projections 5 are connected by an angled section 27, so that the stability of the actual sliding contact, also with respect to the guidance of the retaining clip 2, improves with the runners 6 provided there.
  • a separable in the longitudinal direction, two-part support member 8 is used.
  • the support member 8 takes on the one hand bent end portions 9 of the local holding bracket 10 and on the other hand angled longitudinal ends 11 of the sliding contact 12, which also has a convex shape, on.
  • the support element consists of two complementary webs 13.
  • the two webs 13 can be assembled by means of connecting means.
  • the connecting means comprise, on the one hand, bolt-like formations 14 which are received by a bore 15 located in the respectively opposite web 13.
  • the connecting means comprise snap-in parts 16, which are each performed in a father-mother pairing as integrally formed elements on the respective web.
  • the webs 13 each have at their opposite ends a guide pin 17 which is encompassed in each case by a bent end portion 9 of the retaining clip 10.
  • the underside of the webs 13 has a recess 18, so that sufficient leeway for the deformation of the sliding contact 12 remains.
  • the lateral ends of the webs 13 have a runner arch shape 19, which is substantially complementary to the bend 11 of the longitudinal ends of the sliding contact 12.
  • the two-part support member or support member has on its end-side locking lugs 20 for the positive connection with the Sliding contact, wherein the ends of the sliding contact 12 have matching recesses 21.
  • bent-over end sections 9 of the retaining clip 10 are in electrical connection with the inner surface of the sliding contact 12.
  • guide edges 22 for the sliding contact 12 are respectively formed on the longitudinal undersides of the webs 13.
  • the holding bow 10 designed as a stamped bent part is likewise provided with lugs 7 in order to hold the fastening plate 3 in a form-fitting manner, in that the lugs 7 hold the fixing plate 3 as a result of a bending or crimping step.
  • the current collector can be fastened by means of a screw 23 to the underside of the model drive vehicle or to an articulation part (see FIGS. 8 and 9), wherein the screw 23 is inserted through a recess or bore in the attachment plate for this purpose.
  • the current collector arrangement shown there consists of the basic assemblies supporting element 8, headband 2, sliding contact 1 and mounting plate 3 and a screw 23 or a corresponding mounting bolt.
  • a spring clip 27 which has a substantially S-arc shape, extends laterally from the mounting bracket center region.
  • the lower end of the S-bow-shaped spring clip 27 surrounds the corresponding section of the sliding contact and the support element 8.
  • the height of the entire current collector arrangement is only about 3.5 mm in comparison to FIG Working condition with dissolved spring clip of about 8.5 mm.
  • the transport safety device and the pantograph be transferred to its working position (see Fig. 7).
  • two spring clips 27 are laterally opposite and formed on the metal headband 2.
  • Retaining bracket 2 and spring clip 27 may consist of a one-piece metal stamped / bent part in the aforementioned sense.
  • the length of the spring clip 27 is, as is clear from the illustration of FIG. 7, shorter than the clear distance between the bracket middle portion and sliding contact 1 in the working state of the pantograph, so that the desired resilient movement during operation of the pantograph is not subject to restrictions.
  • the respective outer side of the support element or the leading edge can be formed as an inclined surface or chamfer 36.
  • the hinge part 28, which is e.g. is made of a plastic injection molding material is guided on the frame 29 of the model drive vehicle 30 relative to the direction of movement of the vehicle 30 laterally pivoted or rotated.
  • a disc-shaped carrier 33 is preferably mounted centrally on the axle 31 of a wheel set 32 of the vehicle 30. This driver 33 follows in lateral displacement movement of the respective wheelset 32 of this (see Fig. 8).
  • the articulation part 28 is connected at its side opposite the guide finger arrangement 34 to the frame 29 of the model drive vehicle 30 via a bolt-shaped joint 35.
  • the bolt-shaped hinge 35 may e.g. be formed by a screw.
  • the fixing plate 3 of the current collector arrangement can be fixed with a precise fit, wherein an additional fastening by means of the screw 23 (see for example Fig. 6 or 7) is made.
  • Fig. 9 shows the arrangement of the pantograph on the linkage member 28 with a clearly recognizable pivoting movement, following the lateral displacement of the wheelset 32, as occurs for example when crossing a turnout when a vehicle is used with a long wheelbase without bogies.
  • the second embodiment of the articulation part 28 is based on a precursor wheel set 37 rotatably arranged on the model vehicle.
  • This wheel 37 has at its end directed to the sliding contact 1 an extension 38 with groove 39.
  • In the groove 39 engages a pin 40 which is attached to the articulation part 28 or formed integrally therewith.
  • the articulation part 28 which leads the pantograph arrangement with sliding contact, has slots 41 which run essentially perpendicular to the vehicle's longitudinal axis. Screws or bolts 42 secure the linkage part and form a displacement stop.

Landscapes

  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Toys (AREA)
EP07105882A 2006-04-10 2007-04-10 Collecteur de courant pour trains miniatures électriques Active EP1844829B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610016794 DE102006016794A1 (de) 2005-11-04 2006-04-10 Stromabnehmeranordnung für elektrisch betriebene, gleisgeführte Modelltriebfahrzeuge

Publications (3)

Publication Number Publication Date
EP1844829A2 true EP1844829A2 (fr) 2007-10-17
EP1844829A3 EP1844829A3 (fr) 2007-12-12
EP1844829B1 EP1844829B1 (fr) 2010-05-26

Family

ID=38175819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07105882A Active EP1844829B1 (fr) 2006-04-10 2007-04-10 Collecteur de courant pour trains miniatures électriques

Country Status (3)

Country Link
EP (1) EP1844829B1 (fr)
AT (1) ATE468896T1 (fr)
DE (1) DE502007003902D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014111453B4 (de) 2014-08-12 2020-07-23 Viessmann Modelltechnik Gmbh Stromabnehmer für ein Modellbahnfahrzeug und Modellbahnfahrzeug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1674275A (en) * 1925-05-22 1928-06-19 Lionel Corp Contact mechanism for toy railroads
DE2232103A1 (de) * 1972-06-30 1974-01-10 Willy Ade Umschalter fuer modellfahrzeuge, insbesondere modellgleisfahrzeuge
DE2336062A1 (de) * 1973-07-16 1975-02-06 Maerklin & Cie Gmbh Geb Stromabnehmer fuer fahrspielzeuge
AT411330B (de) * 1999-09-29 2003-12-29 Maegdefrau Peter Stromabnehmer für ein modellfahrzeug
DE20207450U1 (de) * 2002-05-11 2002-08-22 Brüning, Rolf, Dipl.-Chem. Dr.rer.nat., 63486 Bruchköbel Stromabnehmer für ein Modellbahnfahrzeug
DE10302046A1 (de) * 2003-01-21 2004-07-29 Gebrüder Märklin & Cie. GmbH Stromabnehmer für ein Modellfahrzeug

Also Published As

Publication number Publication date
EP1844829B1 (fr) 2010-05-26
EP1844829A3 (fr) 2007-12-12
ATE468896T1 (de) 2010-06-15
DE502007003902D1 (de) 2010-07-08

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