EP0031935B1 - Dispositif pour l'alimentation et la commande de plusieurs véhicules miniatures entrainés électriquement - Google Patents

Dispositif pour l'alimentation et la commande de plusieurs véhicules miniatures entrainés électriquement Download PDF

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Publication number
EP0031935B1
EP0031935B1 EP80108015A EP80108015A EP0031935B1 EP 0031935 B1 EP0031935 B1 EP 0031935B1 EP 80108015 A EP80108015 A EP 80108015A EP 80108015 A EP80108015 A EP 80108015A EP 0031935 B1 EP0031935 B1 EP 0031935B1
Authority
EP
European Patent Office
Prior art keywords
pulse
model vehicles
circuit
model
pulses
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.)
Expired
Application number
EP80108015A
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German (de)
English (en)
Other versions
EP0031935A3 (en
EP0031935A2 (fr
Inventor
Ulrich Dr. Dipl.-Ing. Lübbert
Rainer Ing.-Grad. Hoyer
Hermann Dipl.-Ing. Ringshauser
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.)
Gebr Fleischman GmbH and Co KG
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Priority to AT80108015T priority Critical patent/ATE11873T1/de
Publication of EP0031935A2 publication Critical patent/EP0031935A2/fr
Publication of EP0031935A3 publication Critical patent/EP0031935A3/de
Application granted granted Critical
Publication of EP0031935B1 publication Critical patent/EP0031935B1/fr
Expired legal-status Critical Current

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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
    • A63H19/24—Electric toy railways; Systems therefor

Definitions

  • the invention relates to a device for supplying and controlling a plurality of electrically operated model vehicles on a circuit and using a stationary control circuit which sends the control pulses in the form of positive and negative pulses to the circuit and at the same time the electrical energy for supplying power to the model vehicles in them Provides impulses.
  • a frequently used principle for controlling an additional train on one and the same circuit uses an AC voltage superimposed on the conventional DC circuit. This delivers the energy required by the second train and simultaneously controls the speed of the second train by varying the amplitude and phase position.
  • mains frequency 50 Hz or 60 Hz
  • undesirable performance degradation and additional mechanical and thermal loads on the traction motors occur.
  • Another disadvantage is the restriction to only two trains on one circuit.
  • Each model with a traction motor contains an electrical receiver and control circuit, which is addressed selectively by a control unit and doses the driving energy for the traction motor from the applied AC voltage in a suitable manner and converts it into direct current by means of a rectifier circuit, which is suitable for DC model railroad motors.
  • a device is known from DE-A-26 01 790 (Ingbert).
  • the desired driving speeds in the form of analog control voltages are specified as control elements with the aid of potentiometers and recoded into corresponding pulse lengths with the aid of analog electronic circuits.
  • Control voltages and pulse lengths are mapped into each other without quantization and form continuous electrical size ranges, so that it is a purely analog method.
  • the received pulse length is converted with the help of an integrator formed by a resistor and a charging capacitor into a voltage proportional to the control voltage, which in turn controls the duty cycle of a rectangular power oscillator, the output of which the motor is connected to.
  • the method according to DE-A-26 01 790 also does not allow simultaneous operation of models operated conventionally by direct current, because the waveform of the electrical voltage placed on the rail, in addition to a high frequency of the pulses which transmit the information, is a Has a basic frequency of approx. 62 Hz and thus impermissibly affects direct current motors connected directly to the rail.
  • the use of a smoothed DC voltage for conventional models and the installation of filter elements (coils and capacitors) in the connecting lines from the rail to the model would not solve the problem.
  • the power rectangular oscillator is coupled galvanically. It is not possible to connect a conventional supply transformer to the rail at the same time.
  • the object of the invention is to achieve the o.a. To avoid disadvantages and in particular to enable the simultaneous operation of conventionally operated voltage-controlled model vehicles and to design the device so that the electrical circuit in the model vehicle is possible in an integrated design.
  • the disadvantages of the known methods are solved in that the pulses separated from one another by pulse pauses are fed to the circuit (1) via one or more capacitors (6), in order to also allow the simultaneous operation of conventionally DC-operated model vehicles (4) that in the Times in which no information is transmitted, the energy transmission for the model vehicles (7) by those transmitted at the transmission frequency alternating positive and negative pulses, and that the pulse frequency is chosen so high that the inductance of the conventional DC-operated electric motors of the model vehicles (4) against the transmitted pulse trains represent such a high resistance that (4) are not affected by these pulse trains and Only draw negligible energy from these pulse trains.
  • an impulse telegram for influencing a model vehicle (7) consists of a first part for determining the direction of travel, the end of which denotes the beginning of a second part for selectively addressing the model vehicle (7).
  • a conventional, adjustable, reversible polarity direct current source 2 is connected in series with a choke 3 to a circuit 1, which is formed by a pair of current-conducting rails.
  • the choke 3 forms a small resistance for direct current, but a large resistance for superimposed alternating current on the rail. As a result, an outflow of alternating currents via the direct current source is avoided. This arrangement is sufficient to operate a conventionally DC model vehicle 4.
  • a stationary control circuit 5 is connected in series with a capacitor 6 to circuit 1.
  • the capacitor 6 prevents the control circuit 5 from being flowed through by direct current or mains frequency alternating current.
  • the pulse frequency is above the human hearing limit.
  • the traction motors form such a large resistance to this frequency that a negligible alternating current flows through them, which causes neither additional heating nor mechanical stress.
  • FIG. 2 shows the basic structure of the stationary control circuit 5.
  • the operator sets the information about the desired driving state via control buttons 8, one of which is assigned to a model vehicle 7.
  • the adjusting buttons 8 can e.g. be implemented by coding switches that have as many different positions as the speed levels are desired.
  • the setting is converted by a logic circuit 9 into a data word which, in a sequence of zeros and ones, carries information about which of the model vehicles 7 this information is associated with and whether this model vehicle 7 should drive forward or backward.
  • the parallel-to-serial converter 10 converts the data word into a serial pulse sequence by mutually connecting the circuit 1 via the capacitor 6 to the voltage source 11 via the four switches 12, 13, 14 and 15, so that a sequence of positive and negative impulses arise in the circuit. A zero voltage is briefly generated between two pulses by closing switches 13 and 14.
  • FIG. 3 shows a typical sequence of pulses for transmitting the information to model vehicles 7.
  • the pulse diagram consists of sixteen pulses. These contain information about which model vehicle is meant, the address and whether to drive forward or backward. If a model vehicle 7 receives a valid, i.e. information addressed to its receiver, the traction current is switched to the engine for a fixed time. Uniform driving is achieved by periodically responding to the model vehicle. The frequency determines the driving speed.
  • Figure 4 shows the detection of transmitted positive and negative pulses from the pulse diagram.
  • the signal S 15 becomes 1 when the threshold 15 is exceeded and the signal S 16 becomes 1 when the threshold 16 is exceeded. If a DC voltage for operating a conventional model vehicle 4 is superimposed on the pulse diagram the thresholds are carried along so that the threshold 15 is always above and the threshold 16 is always below the DC voltage mean.
  • FIG. 5 shows a circuit for converting the threshold signals S 15 and S 16 resulting from positive and negative pulses into a logical sequence.
  • a transition from logic 0 to 1 occurs at the output at the end of a positive or negative pulse on the rail.
  • the output of the gate 17 is connected to the dynamic clock input of the bistable memory 18, which responds to rising edges.
  • the preparatory data input of the memory 18 is connected to the signal S 15 .
  • the memory 18 is followed by a serial-parallel shift register 19, to which the same take is applied as the memory 18. At the output of the shift register the transmitted pulse train is available as a parallel data word.
  • the memory 18 is identical to the first memory element of the shift register 19.

Claims (5)

1. Dispositif pour l'alimentation et la commande de plusieurs véhicules miniatures (7) entraînés électriquement sur un circuit électrique (1) et avec emploi d'un circuit stationnaire de commande (5) qui émet les impulsions de commande sous forme d'impulsions positives et négatives sur le circuit électrique (1) et met simultanément à disposition dans ces impulsions l'énergie électrique pour l'alimentation en énergie des véhicules miniatures (7), caractérisé en ce que les impulsions séparées par des arrêts d'impulsions sont appliquées au circuit électrique (1) par l'intermédiaire d'un ou plusieurs condensateurs (6), pour permettre aussi le fonctionnement simultané de véhicules miniatures conventionnels (4) à courant continu, en ce que pendant les intervalles de temps pendant lesquels aucune information n'est transmise, l'apport d'énergie pour le véhicule miniature (7) s'effectue par les impulsions émises à la fréquence d'émission alternativement positives et négatives, et en ce que la fréquence d'impulsions est choisie à une valeur si élevée, que l'inductivité des moteurs électriques conventionnels à courant continu des véhicules (4) présentent une résistance si élevée vis à vis des suites d'impulsions emises qu'ils (4) ne sont pas influencés par ces suites d'impulsions et ne retirent de ces suites d'impulsions qu'une énergie négligeable.
2. Procédé, selon la revendication 1, caractérisé en ce que la valeur moyenne de tension continue de la suite d'impulsions est proche de zéro.
3. Procédé selon la revendication 1, caractérisé en ce qu'un diagramme d'impulsions pour influencer un véhicule miniature (7) se compose d'une première partie pour déterminer le sens de roulage, dont la fin désigne le début d'une deuxième partie pour la sollicitation sélective du véhicule miniature (7).
4. Procédé selon la revendication 1, caractérisé en ce que la partie du diagramme d'impulsions destinée à la sollicitation sélective du véhicule miniature (7) est reconnue par le véhicule miniature dans sa forme normale et inversée, de sorte qu'une reconnaissance s'effectue indépendamment de la polarité de branchement du récepteur.
5. Procédé selon la revendication 1, caractérisé en ce que la partie du diagramme d'impulsions destinée à la sollicitation sélective du véhicule miniature (6) est émise par le circuit de commande stationnaire (5) successivement sous sa forme normale et inversée, de sorte que le récepteur est sollicité indépendamment de la polarité de branchement.
EP80108015A 1980-01-08 1980-12-18 Dispositif pour l'alimentation et la commande de plusieurs véhicules miniatures entrainés électriquement Expired EP0031935B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80108015T ATE11873T1 (de) 1980-01-08 1980-12-18 Einrichtung zur versorgung und zum steuern mehrerer elektrisch betriebener modellfahrzeuge.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3000423 1980-01-08
DE19803000423 DE3000423A1 (de) 1980-01-08 1980-01-08 Verfahren zur gleichzeitigen selektiven uebertragung von digitaler information und elektrischer modellfahrzeuge auf einem stromkreis

Publications (3)

Publication Number Publication Date
EP0031935A2 EP0031935A2 (fr) 1981-07-15
EP0031935A3 EP0031935A3 (en) 1981-07-22
EP0031935B1 true EP0031935B1 (fr) 1985-02-20

Family

ID=6091652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80108015A Expired EP0031935B1 (fr) 1980-01-08 1980-12-18 Dispositif pour l'alimentation et la commande de plusieurs véhicules miniatures entrainés électriquement

Country Status (3)

Country Link
EP (1) EP0031935B1 (fr)
AT (1) ATE11873T1 (fr)
DE (2) DE3000423A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3927651A1 (de) * 1989-08-22 1991-03-14 Doehler Peter Dipl Kaufm Verfahren und schaltungsanordnung zum identifizieren einer lokomotive innerhalb einer modelleisenbahn-anlage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601790A1 (de) * 1976-01-20 1977-07-21 Bastian Dipl Ing Ingbert Schaltungsanordnung zur versorgung und zum steuern mehrerer elektrisch betriebener modellfahrzeuge
GB2007895B (en) * 1977-10-13 1982-02-10 Rovex Ltd Remote control systems and transmitters and receivers therefor
GB2014770B (en) * 1978-02-20 1982-03-17 Goddin L Model railway system
GB2031624B (en) * 1978-08-15 1982-03-31 Rovex Ltd Remote control of electrical devices
DE2904510A1 (de) * 1979-02-07 1980-08-14 Fraunhofer Ges Forschung Digitalisiertes verfahren zur gleichzeitigen steuerung mehrerer elektrisch angetriebener modellfahrzeuge auf einem stromkreis

Also Published As

Publication number Publication date
DE3070233D1 (en) 1985-03-28
EP0031935A3 (en) 1981-07-22
ATE11873T1 (de) 1985-03-15
EP0031935A2 (fr) 1981-07-15
DE3000423A1 (de) 1981-07-09

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