WO2011097656A1 - Système de compteur kilométrique - Google Patents

Système de compteur kilométrique Download PDF

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Publication number
WO2011097656A1
WO2011097656A1 PCT/AT2010/000038 AT2010000038W WO2011097656A1 WO 2011097656 A1 WO2011097656 A1 WO 2011097656A1 AT 2010000038 W AT2010000038 W AT 2010000038W WO 2011097656 A1 WO2011097656 A1 WO 2011097656A1
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WO
WIPO (PCT)
Prior art keywords
counter
pulses
digital
processing unit
motor vehicle
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.)
Ceased
Application number
PCT/AT2010/000038
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German (de)
English (en)
Inventor
Quido MÜLLER
Manfred Lippautz
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
Priority to PCT/AT2010/000038 priority Critical patent/WO2011097656A1/fr
Publication of WO2011097656A1 publication Critical patent/WO2011097656A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
    • G01C22/02—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers by conversion into electric waveforms and subsequent integration, e.g. using tachometer generator

Definitions

  • the invention relates to an odometer for a motor vehicle, which has a digital processing unit with a display for the kilometers driven up.
  • a roller counter with a device for preventing the turning back of the count is known for example from DE 4 322 455 A1.
  • Roller counters are also used in electromechanical counters, as these are common, for example, for electricity meters in households.
  • the roller counter is driven here by an electric drive in the form of an electric motor or electromagnet.
  • An electrical pulse activates the electric drive, which continues to turn the mechanical counter.
  • the digital odometer can be accessed via a bus, usually Chzel CAN bus, be addressed by a central control unit of the motor vehicle.
  • the central control unit can be accessed from an external device via a service connector.
  • suitable software With suitable software, the stored mileage can be overwritten in a very simple way. Such fraudulent manipulations are offered on various occasions.
  • the object of the invention is to provide an odometer of the type mentioned, in which in a simple way an improvement of the security against manipulation is achieved. According to the invention, this is achieved by an odometer with the features of claim 1.
  • actuator electromechanical actuator
  • the number of pulses is a measure of the distance traveled (ie proportional to this) and the pulses are counted by a digital counter of the digital processing unit and according to the counted number of pulses is a display value for the kilometers driven at the display of the digital Processing unit output.
  • the conversion into the pulse signal on the output side of the actuator can be effected by a pulse generator which interacts directly with a moving part of the actuator or with a mechanical part driven by the actuator, for example a mechanical counter.
  • the digital counter of the processing unit is preferably designed so that it does not count from the highest possible count value to 0, if it receives further counts, but remains at the highest possible count value.
  • a mechanical counter which is in particular at a unreasonable during normal driving operation of the vehicle body, and / or it can by an "interposition" of the electromechanical actuator see a direct accessibility of a service connector of the Motor vehicle from being prevented on the digital display having digital processing unit.
  • FIG. 1 to 6 are schematic representations of six embodiments of the invention.
  • a first embodiment of the invention is shown in FIG.
  • the mileage counter comprises a digital processing unit 1, which has a digital display 2.
  • the digital processing unit 1 is supplied via a data line 3, a digital signal having electrical impulses 4, the number of which is proportional to the distance traveled by the motor vehicle.
  • a signal may be derived from an encoder on the motor vehicle or a part driven by the motor vehicle and is referred to as a "speed signal".
  • the pulses of the tacho signal are from a digital counter of the processing unit
  • the counter and the driver are included in the block 5 shown schematically in the processing unit 1.
  • the processing unit 1 is preferably designed as a microprocessor unit.
  • the mileage counter has an electromechanical actuator 6, to which the speed signal is also supplied.
  • the electromechanical actuator 6 and the digital Processing unit 1, which has the display 2, are thus connected in parallel.
  • a respective pulse 4 activates the actuator 6 and this drives the mechanical counter 7 connected to it.
  • the term effector could also be used.
  • the mechanical counter 7 is connected to the output shaft 8 of this electric motor.
  • electromechanical actuator for example, an electromagnet could be used.
  • the mechanical counter 7 is designed in particular in the form of a roller counter.
  • the highest point associated counter 9 is locked at the number "9" against further rotation to the digit "0".
  • the pulse train 4 contains no information as to whether the vehicle is traveling forwards or backwards. Turning back the mechanical counter 7 via the data line 3 is not possible.
  • a mechanical lock against turning back the mechanical counter 7 may be provided.
  • the mechanical counter can be sealed by the manufacturer.
  • the electromechanical actuator 6 and the mechanical counter 7 together form an electromechanical counter.
  • the existing in addition to the digital display 2 mechanical counter 7 may for example be arranged in the engine compartment and can be read to check the displayed by the digital display 2 odometer.
  • the digital display 2 is arranged in the usual way on the dashboard.
  • FIG. 1 A second embodiment of the invention is shown in FIG.
  • the tachogenerator signal supplied via the data line 3 is supplied only to the electromechanical actuator 6, which drives the mechanical counter 7.
  • the electromechanical actuator 6 and the mechanical counter 7 may be formed in the manner described above.
  • an electric pulse generator 10 is arranged, which outputs 6 pulses in response to the movement of the mechanical counter 7 and thus in response to the movement of this driving electromechanical actuator. The number of these pulses is proportional to the distance traveled by the motor vehicle.
  • This pulse signal which is thus synchronous with the pulse signal supplied via the data line 3, is supplied to the digital processing unit 1, which may be designed in an analogous manner as described in connection with the first embodiment and has the digital display 2.
  • the odometer reading on the dashboard can be read on the digital display and the mechanical counter 7, on which the odometer reading can also be read and checked, is preferably arranged at a location which is unreasonable during normal driving.
  • the manipulation of the digital display 2 is already made more difficult in the case of the second exemplary embodiment shown in FIG. 2, since the electromechanical actuator 6 is "interposed" between the digital processing unit 1 and the data line 3.
  • the digital processing unit 1 is therefore not directly accessible or addressable via the data line 3, ie, no digital commands or data can be transmitted via the data line 3 directly to the digital processing unit 1.
  • the pulse generator 10 could also be arranged directly on the output shaft 8 of the actuator 6 or another mechanically moving part of the actuator 6 in the second embodiment.
  • the difference between the embodiment shown in FIG. 3 and the embodiment shown in FIG. 2 is that the mechanical counter 7 is omitted here.
  • the pulse generator 10 interacts directly with the output shaft 8 of the electromechanical actuator 6.
  • the pulse generator 10 could also interact with another moving part of the electromechanical actuator 6.
  • the pulses output by the pulse generator 10 are again counted in a digital counter of the digital processing unit 1 and a value of the distance covered by the motor vehicle, which value is proportional to the counted value of the pulses, is output at the digital display 2.
  • the digital counter of the processing unit 1 is designed so that it does not count to 0 from the highest possible count value, if it receives further counts, but remains at the highest possible count value. Since the digital processing unit 1 is not directly addressable via the data line 3 and da by a respective transmitted via the data line 3 pulse 4 or a respective pulse output from the pulse generator 10, the counter of the processing unit 1 can only increment and decrement this digital counter is not possible is, the tamper resistance of the displayed on the digital display 2 odometer reading is significantly improved.
  • FIG. It is shown schematically a bus 1 1, as used in motor vehicles, in particular in the form of a CAN bus.
  • Control commands and data in the form of digitized values are transmitted to control devices via the bus 1 1 by a central control unit 12. Shown is the transmission to a receiver 13 of the mileage counter, which is connected to the digital processing unit 1 of the mileage counter.
  • the central control unit 12 is supplied via a data line 14, a tachometer signal. Its pulses are from a digital counter of the central control unit
  • the received digitized value is output to the digital processing unit 1 '.
  • this digitized value or a value proportional thereto is displayed as a distance traveled by the motor vehicle.
  • the digital display 2 can thus be manipulated via the central control unit 12.
  • the digitized value is further output to a conversion unit 15.
  • a digitized value previously received by the receiver 13 is stored and compared with the current received digitized value.
  • the conversion unit 15 outputs an output signal on an output line 16 which represents a pulse signal having a pulse number corresponding to the difference between the currently received digitized value and the previously received digitized value.
  • This pulse signal is supplied to the electromechanical actuator 6, which drives a mechanical counter 7.
  • the electromechanical actuator 6 and the mechanical counter 7 are designed in a manner analogous to that described in FIG.
  • the central control unit 12 could also transmit a data packet to the receiver 13 via the bus 1 1, which contains a pulse signal having a number of pulses corresponding to the distance traveled by the motor vehicle in a time interval. From the receiver 13, the pulse signal could then be output directly to the actuator 6, so that the forming unit 15 could be omitted. Furthermore, the pulse signal could be output by the receiver 13 to the digital processing unit, which in this case would have a corresponding digital counter for the pulses of the pulse signal (analogously to the digital processing unit 1 of the first embodiment).
  • FIG. 1 A fifth embodiment of the invention is shown schematically in FIG. This corresponds to the previously described fourth exemplary embodiment or the variant described for this purpose with the following differences:
  • the processing unit 1 is not connected directly to the receiver 13 here.
  • the receiver 13 is connected to the electromechanical actuator 6, optionally via the forming unit 15.
  • the digital processing unit 1 is analogous as in the second embodiment connected to a pulse generator 10 which is arranged on the mechanical counter 7.
  • the pulse generator 10 can in turn also interact with the output shaft 8 of the electromechanical actuator 6 or another moving part of the electromechanical actuator 6.
  • the pulses output by the pulse generator 10 are counted by the processing unit 1 as described in connection with the second exemplary embodiment, and a signal corresponding to the distance covered by the motor vehicle is output at the digital display 2.
  • the difference between the fifth embodiment shown in FIG. 5 and the sixth embodiment shown in FIG. 6 corresponds to the difference between the second embodiment shown in FIG. 2 and the third embodiment shown in FIG. 3.
  • the mechanical counter 7 is omitted and the pulse generator 10 is disposed on the output shaft 8 of the electromechanical actuator 6, wherein it could in turn be arranged on another moving part of the electromechanical actuator 6.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)

Abstract

L'invention concerne un système de compteur kilométrique pour un véhicule automobile présentant une unité de traitement numérique (1, 1') équipée d'un affichage (2) pour les kilomètres parcourus. Le système de compteur kilométrique comporte en outre un actionneur électromécanique (6) auquel sont amenées des impulsions (4) en fonction d'une distance parcourue respectivement par le véhicule.
PCT/AT2010/000038 2010-02-11 2010-02-11 Système de compteur kilométrique Ceased WO2011097656A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/AT2010/000038 WO2011097656A1 (fr) 2010-02-11 2010-02-11 Système de compteur kilométrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AT2010/000038 WO2011097656A1 (fr) 2010-02-11 2010-02-11 Système de compteur kilométrique

Publications (1)

Publication Number Publication Date
WO2011097656A1 true WO2011097656A1 (fr) 2011-08-18

Family

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PCT/AT2010/000038 Ceased WO2011097656A1 (fr) 2010-02-11 2010-02-11 Système de compteur kilométrique

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Country Link
WO (1) WO2011097656A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012222834A1 (de) * 2012-12-12 2014-06-12 Continental Automotive Gmbh Verfahren zum Überprüfen einer in einem Kraftfahrzeug angezeigten Gesamtfahrstrecke des Kraftfahrzeugs

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072906A (en) * 1980-03-27 1981-10-07 Audi Ag Device for measuring the distance covered by a vehicle
US4409663A (en) * 1980-12-22 1983-10-11 Kelsey-Hayes Company Digital odometer
US4930094A (en) * 1988-07-11 1990-05-29 Chrysler Corporation Vehicle serial bus, mechanical instrument cluster odometer therefor
DE4322455A1 (de) 1993-07-06 1995-01-12 Vdo Schindling Rollenzählwerk
DE29803356U1 (de) 1998-02-26 1998-11-05 Hug, Helmut, 53783 Eitorf Schutz vor Manipulationen, an mechanischen Kilometerzähleinrichtungen, bei Kraftfahrzeugen
DE19963211A1 (de) 1999-12-28 2001-07-12 Bosch Gmbh Robert Verfahren und Vorrichtung zur Manipulationssicherung eines Wegstreckenzählers oder eines Fahrtenschreibers
DE10026738C1 (de) 2000-05-30 2001-10-25 Siemens Ag Verfahren zum Schutz einer in einem Kombiinstrument eines Fahrzeugs gespeicherten Wegstrecke vor Manipulation sowie Vorrichtung zum Durchführen des Verfahrens
DE202005007818U1 (de) 2005-05-19 2005-07-21 Haring, Bernd, Dr. Manipulationsgeschützter Kilometerzähler
DE102005038995A1 (de) 2005-08-16 2007-02-22 Böttcher, Thomas Manipulationssichere Kilometerstandsdaten

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072906A (en) * 1980-03-27 1981-10-07 Audi Ag Device for measuring the distance covered by a vehicle
US4409663A (en) * 1980-12-22 1983-10-11 Kelsey-Hayes Company Digital odometer
US4930094A (en) * 1988-07-11 1990-05-29 Chrysler Corporation Vehicle serial bus, mechanical instrument cluster odometer therefor
DE4322455A1 (de) 1993-07-06 1995-01-12 Vdo Schindling Rollenzählwerk
DE29803356U1 (de) 1998-02-26 1998-11-05 Hug, Helmut, 53783 Eitorf Schutz vor Manipulationen, an mechanischen Kilometerzähleinrichtungen, bei Kraftfahrzeugen
DE19963211A1 (de) 1999-12-28 2001-07-12 Bosch Gmbh Robert Verfahren und Vorrichtung zur Manipulationssicherung eines Wegstreckenzählers oder eines Fahrtenschreibers
DE10026738C1 (de) 2000-05-30 2001-10-25 Siemens Ag Verfahren zum Schutz einer in einem Kombiinstrument eines Fahrzeugs gespeicherten Wegstrecke vor Manipulation sowie Vorrichtung zum Durchführen des Verfahrens
DE202005007818U1 (de) 2005-05-19 2005-07-21 Haring, Bernd, Dr. Manipulationsgeschützter Kilometerzähler
DE102005038995A1 (de) 2005-08-16 2007-02-22 Böttcher, Thomas Manipulationssichere Kilometerstandsdaten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012222834A1 (de) * 2012-12-12 2014-06-12 Continental Automotive Gmbh Verfahren zum Überprüfen einer in einem Kraftfahrzeug angezeigten Gesamtfahrstrecke des Kraftfahrzeugs
US9651398B2 (en) 2012-12-12 2017-05-16 Continental Automotive Gmbh Method for checking a total distance which is travelled by a motor vehicle and is displayed therein

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