EP0895199B1 - Tachograph with an interface for its connection to a data bus - Google Patents

Tachograph with an interface for its connection to a data bus Download PDF

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Publication number
EP0895199B1
EP0895199B1 EP19980113259 EP98113259A EP0895199B1 EP 0895199 B1 EP0895199 B1 EP 0895199B1 EP 19980113259 EP19980113259 EP 19980113259 EP 98113259 A EP98113259 A EP 98113259A EP 0895199 B1 EP0895199 B1 EP 0895199B1
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EP
European Patent Office
Prior art keywords
data
tachograph
data bus
card reader
bus
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 - Lifetime
Application number
EP19980113259
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German (de)
French (fr)
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EP0895199A3 (en
EP0895199A2 (en
Inventor
Dietmar Straub
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 AG
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Continental Automotive GmbH
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Publication date
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Publication of EP0895199A2 publication Critical patent/EP0895199A2/en
Publication of EP0895199A3 publication Critical patent/EP0895199A3/en
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Publication of EP0895199B1 publication Critical patent/EP0895199B1/en
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841—Registering performance data
    • G07C5/085—Registering performance data using electronic data carriers
    • G07C5/0858—Registering performance data using electronic data carriers wherein the data carrier is removable

Definitions

  • the invention relates to a tachograph with at least one card reader and a printing device.
  • Tachographs with at least one card reader and a printing device have long been out of the document, for example DE 35 05 068 C1 known. Tachographs have also been proposed which can deliver their data to an in-vehicle electrical system operated as a data bus. It is disadvantageous in the tachographs that have become known that their communication devices, such as a card reader or a printing device, are used only for specific driving style. Thus, conventionally, the card reader is used only for reading and writing data that is required to fulfill the legal duties of the tachograph. Likewise, since its implementation in a tachograph, the printing device is only used to print data related to the tachograph's monitoring tasks. Thus, the tachograph serves only tasks within the framework of a legally prescribed control device.
  • the data bus used is preferably a CAN bus because it has found its widest use in vehicle technology. In principle, however, the proposed solution can also be used for other data bus systems.
  • a card reader a chip card reader is used.
  • the particular advantage of this solution is that in this way the card reader and / or the printing device are available in the vehicle as a multifunctional input or output device for a plurality of bones in the vehicle and interconnected via a common data bus.
  • measurement data of other vehicle devices for example of diagnostic devices, can be output in a document using the printer device of the tachograph and thus logged.
  • data for programming various vehicle devices such as an on-board computer or the
  • Engine management by means of a mobile data carrier, i. a suitably programmed data card can be entered via the tachograph card reader.
  • a mobile data carrier i. a suitably programmed data card
  • the enhanced functionality of tachograph devices eliminates a variety of specialized equipment needed today to communicate with individual vehicle equipment. This functional extension is achieved in that the tachograph is equipped with a suitable interface with respect to its inputs and outputs and receives the control unit of the tachograph a corresponding control program.
  • the communication between the tachograph devices such as the at least one card reader or the printing device and the at least one further device connected to the data bus is controlled by identifiers.
  • identifiers when the card reader encounters an identifier when reading data from a card inserted in it, does not identify the tachograph, provided in the tachograph control unit switches its interface to the data automatically into an operating state in which the read data is given directly to the data bus and so the addressed by the identifier device that is also connected to the data bus, transmitted ,
  • the control unit of the tachograph is thus extended by the function of an identifier-controlled switch for data streams.
  • the other tachograph functions remain unaffected by the aforementioned data transfer.
  • data from other devices connected to the data bus can also be sent to the at least one card reader, wherein an identifier transmitted with the data first addresses the interface of the tachograph and then specifies which data output device of the tachograph the received data for further Processing are to be supplied.
  • Control unit of the tachograph caching of the received data in storage means of the tachograph or signals the device transmitting via the data bus that the selected output device is currently busy and therefore not ready for the processing of the received order.
  • the tachograph 1 is also connected to this data bus 4. All networked vehicle devices are designed so that they can communicate with each other. For this purpose, suitable interfaces are provided in the individual devices, which are not shown here in detail.
  • the tachograph 1 has both at least one data input device 2 and a data output device 3.
  • the data input device 2 is designed as a card reader.
  • a printing device and / or a card reader may be provided.
  • the tachograph 1 now has a control unit which forwards incoming data streams from the data bus to the data output device 3 or outputs the data recorded by the data input device 2 to devices which are connected to the data bus 4.
  • Identifiers transmitted with the data contain the respective destination address, so that the control unit of the tachograph can perform the desired assignment.

Description

Die Erfindung betrifft einen Fahrtschreiber mit mindestens einem Kartenleser und einer Druckeinrichtung.The invention relates to a tachograph with at least one card reader and a printing device.

Fahrtschreiber mit mindestens einem Kartenleser und einer Druckeinrichtung sind seit längerem beispielsweise aus dem Dokument DE 35 05 068 C1 bekannt. Es wurden auch bereits Fahrtschreiber vorgeschlagen, die ihre Daten an ein im Fahrzeug befindliches Bordnetz, das als Datenbus betrieben wird, abgeben können. An den bekannt gewordenen Fahrtschreibern ist nachteilig, dass ihre Kommunikationseinrichtungen, wie beispielsweise ein Kartenleser oder eine Druckeinrichtung, nur fahrtschreiberspezifisch eingesetzt werden. So wird herkömmlich der Kartenleser nur zum Lesen und Schreiben von Daten genutzt, die zur Erfüllung der gesetzlichen Aufgaben des Fahrtschreibers gehören. Ebenso wird die Druckeinrichtung seit ihrer Implementierung in einen Fahrtschreiber nur zum Ausdruck von Daten genutzt, die mit den Überwachungsaufgaben eines Fahrtschreibers zu tun haben. Damit dient der Fahrtschreiber ausschließlich Aufgaben im Rahmen eines gesetzlich vorgeschriebenen Kontrollgerätes.Tachographs with at least one card reader and a printing device have long been out of the document, for example DE 35 05 068 C1 known. Tachographs have also been proposed which can deliver their data to an in-vehicle electrical system operated as a data bus. It is disadvantageous in the tachographs that have become known that their communication devices, such as a card reader or a printing device, are used only for specific driving style. Thus, conventionally, the card reader is used only for reading and writing data that is required to fulfill the legal duties of the tachograph. Likewise, since its implementation in a tachograph, the printing device is only used to print data related to the tachograph's monitoring tasks. Thus, the tachograph serves only tasks within the framework of a legally prescribed control device.

Aus Dokument US 5,581,464 A sind ein Fahrzeugradarsystem sowie eine Vorrichtung zur Aufzeichnung von Operationsereignissen in einem Fahrzeugradarsystem bekannt. Die Aufzeichnungsvorrichtung soll vorrangig einer Unfallanalyse dienen.From document US 5,581,464 A For example, a vehicle radar system and an apparatus for recording operational events in a vehicle radar system are known. The recording device should primarily serve an accident analysis.

Es ist nun die Aufgabe der vorliegenden Erfindung, die Funktionalität eines Fahrtschreibers mit einer Schnittstelle für seinen Anschluss an einen Datenbus dahingehend zu erweitern, dass seine Einrichtungen, wie ein Kartenleser und/oder eine Druckeinrichtung, zur Wahrnehmung weiterer Aufgaben zur Verfügung stehen.It is now the object of the present invention to extend the functionality of a tachograph with an interface for its connection to a data bus in that its facilities, such as a card reader and / or a printing device, are available for performing other tasks.

Die Aufgabe wird durch die Merkmale des ersten Patentanspruchs gelöst. Die abhängigen Ansprüche zeigen vorteilhafte Ausgestaltungen der vorgeschlagenen Lösung.The object is solved by the features of the first claim. The dependent claims show advantageous embodiments of the proposed solution.

Beim eingesetzten Datenbus handelt es sich vorzugsweise um einen CAN-Bus, weil dieser in der Fahrzeugtechnik die weiteste Verbreitung gefunden hat. Grundsätzlich ist die vorgeschlagene Lösung aber auch für andere Datenbussysteme verwendbar. Als Kartenleser kommt ein Chipkartenleser zum Einsatz.The data bus used is preferably a CAN bus because it has found its widest use in vehicle technology. In principle, however, the proposed solution can also be used for other data bus systems. As a card reader, a chip card reader is used.

Der besondere Vorteil dieser Lösung besteht darin, dass auf diese Weise der Kartenleser und/oder die Druckeinrichtung im Fahrzeug als multifunktionales Eingabe- bzw. Ausgabegerät für mehrere im Fahrzeug befindliche und über einen gemeinsamen Datenbus miteinander vernetzte Gräte zur Verfügung stehen. So können zum Beispiel Messdaten anderer Fahrzeugeinrichtungen, zum Beispiel von Diagnoseeinrichtungen, unter Verwendung der Druckeinrichtung des Fahrtschreibers in einem Schriftstück ausgegeben und damit protokolliert werden. In umgekehrter Datenübertragungsrichtung können Daten beispielsweise zur Programmierung diverser Fahrzeugeinrichtungen, zum Beispiel eines Bordcomputers oder desThe particular advantage of this solution is that in this way the card reader and / or the printing device are available in the vehicle as a multifunctional input or output device for a plurality of bones in the vehicle and interconnected via a common data bus. Thus, for example, measurement data of other vehicle devices, for example of diagnostic devices, can be output in a document using the printer device of the tachograph and thus logged. In the reverse data transmission direction, for example, data for programming various vehicle devices, such as an on-board computer or the

Motormanagements, mittels eines mobilen Datenträgers, d.h. einer entsprechend programmierten Datenkarte, über den Kartenleser des Fahrtschreibers eingegeben werden. Durch die erweiterte Funktionalität von Einrichtungen des Fahrtschreibers kann eine Vielzahl von Spezialgeräten entfallen, die heute im Datenaustausch mit einzelnen Fahrzeugeinrichtungen benötigt werden. Diese funktionelle Erweiterung wird dadurch erreicht, daß der Fahrtschreiber bezüglich seiner Ein- und Ausgänge mit einer geeigneten Schnittstelle ausgestattet wird und die Steuereinheit des Fahrtschreibers ein entsprechendes Steuerprogramm erhält.Engine management, by means of a mobile data carrier, i. a suitably programmed data card can be entered via the tachograph card reader. The enhanced functionality of tachograph devices eliminates a variety of specialized equipment needed today to communicate with individual vehicle equipment. This functional extension is achieved in that the tachograph is equipped with a suitable interface with respect to its inputs and outputs and receives the control unit of the tachograph a corresponding control program.

Die Kommunikation zwischen den Fahrtschreibereinrichtungen wie dem mindestens einen Kartenleser bzw. der Druckeinrichtung und der mindestens einen weiteren an den Datenbus angeschlossenen Vorrichtung wird durch Kennungen gesteuert Gemäß der Erfindung, wenn der Kartenleser beim Einlesen von Daten von einer in ihn eingelegten Karte auf eine Kennung stößt, die nicht den Fahrtschreiber identifiziert, schaltet die im Fahrtschreiber vorgesehene Steuereinheit dessen Schnittstelle zum Datenbus selbsttätig in einen Betriebszustand, in welchem die eingelesenen Daten unmittelbar auf den Datenbus gegeben und so der durch die Kennung adressierten Vorrichtung, die ebenfalls an den Datenbus angeschlossen ist, übermittelt werden. Die Steuereinheit des Fahrtschreibers wird somit um die Funktion einer durch Kennungen gesteuerten Weiche für Datenströme erweitert. Die übrigen Fahrtschreiberfunktionen bleiben jedoch von dem genannten Datentransfer unberührt.The communication between the tachograph devices such as the at least one card reader or the printing device and the at least one further device connected to the data bus is controlled by identifiers. According to the invention, when the card reader encounters an identifier when reading data from a card inserted in it, does not identify the tachograph, provided in the tachograph control unit switches its interface to the data automatically into an operating state in which the read data is given directly to the data bus and so the addressed by the identifier device that is also connected to the data bus, transmitted , The control unit of the tachograph is thus extended by the function of an identifier-controlled switch for data streams. However, the other tachograph functions remain unaffected by the aforementioned data transfer.

Ebenso können auch Daten von anderen an dem Datenbus angeschlossenen Vorrichtungen an den mindestens einen Kartenleser und/oder die Druckeinrichtung gesendet werden, wobei eine mit den Daten übertragene Kennung zunächst die Schnittstelle des Fahrtschreibers adressiert und dann vorgibt, welcher Datenausgabeeinrichtung des Fahrtschreibers die empfangenen Daten zur weiteren Verarbeitung zuzuführen sind.Likewise, data from other devices connected to the data bus can also be sent to the at least one card reader, wherein an identifier transmitted with the data first addresses the interface of the tachograph and then specifies which data output device of the tachograph the received data for further Processing are to be supplied.

Falls der oder die Kartenleser bzw. die Druckeinrichtung nicht sogleich für die Datenausgabe zur Verfügung stehen, weil sie gerade vom Fahrtschreiber für die Ausgabe fahrtschreiberspezifischer Daten genutzt werden, veranlaßt die Steuereinheit des Fahrtschreibers eine Zwischenspeicherung der empfangenen Daten in Speichermitteln des Fahrtschreibers oder signalisiert der über den Datenbus sendenden Vorrichtung, daß die angewählte Ausgabeeinrichtung gegenwärtig besetzt und damit für die Verarbeitung des empfangenen Auftrages nicht bereit ist.If the card reader (s) are not readily available for data output because they are being used by the tachograph to output tachograph-specific data, then Control unit of the tachograph caching of the received data in storage means of the tachograph or signals the device transmitting via the data bus that the selected output device is currently busy and therefore not ready for the processing of the received order.

Anhand einer Figur soll die vorgeschlagene Lösung nochmals kurz erläutert werden. Wie das vereinfachte Blockschaltbild zeigt, sind mehrere verschiedene Fahrzeugeinrichtungen, wie beispielsweise das Motormanagement 5, ein Bordcomputer 6 und eine Diagnoseeinrichtung 7 durch einen Datenbus 4 miteinander verbunden. Auch der Fahrtschreiber 1 ist an diesen Datenbus 4 angeschlossen. Alle miteinander vernetzten Fahrzeugeinrichtungen sind so ausgebildet, daß sie miteinander kommunizieren können. Dafür sind in den einzelnen Einrichtungen geeignete Schnittstellen vorgesehen, die hier aber nicht näher dargestellt sind. Der Fahrtschreiber 1 verfügt sowohl über mindestens eine Dateneingabeeinrichtung 2 als auch über eine Datenausgabeeinrichtung 3. Die Dateneingabeeinrichtung 2 ist als Kartenleser ausgestaltet. Als Datenausgabeeinrichtung 3 kann eine Druckeinrichtung und/oder ein Kartenleser vorgesehen sein. Der Fahrtschreiber 1 verfügt nun über eine Steuereinheit, die vom Datenbus eingehende Datenströme an die Datenausgabeeinrichtung 3 weiterleitet oder die von der Dateneingabeeinrichtung 2 aufgenommene Daten an Einrichtungen abgibt, die an den Datenbus 4 angeschlossen sind. Mit den Daten übertragene Kennungen enthalten die jeweilige Zieladresse, damit die Steuereinheit des Fahrtschreibers die gewünschte Zuordnung vornehmen kann.With reference to a figure , the proposed solution will be briefly explained again. As the simplified block diagram shows, several different vehicle devices, such as the engine management 5, an on-board computer 6 and a diagnostic device 7 are interconnected by a data bus 4. The tachograph 1 is also connected to this data bus 4. All networked vehicle devices are designed so that they can communicate with each other. For this purpose, suitable interfaces are provided in the individual devices, which are not shown here in detail. The tachograph 1 has both at least one data input device 2 and a data output device 3. The data input device 2 is designed as a card reader. As a data output device 3, a printing device and / or a card reader may be provided. The tachograph 1 now has a control unit which forwards incoming data streams from the data bus to the data output device 3 or outputs the data recorded by the data input device 2 to devices which are connected to the data bus 4. Identifiers transmitted with the data contain the respective destination address, so that the control unit of the tachograph can perform the desired assignment.

Claims (5)

  1. A tachograph (1) having at least one card reader, implemented as a chip card reader, and one printing device, wherein
    the tachograph (1) has an interface for connecting it to a data bus (4),
    data read by the at least one card reader can be transmitted at least to a further device connected to the data bus (4),
    data from at least one further device connected to the data bus (4) can be sent to the at least one card reader,
    the data sent to the card reader or readers can be written to a card inserted into the card reader or readers, and wherein
    a data receiving device is addressed by means of a code which is prepended to the data to be transmitted by a data sending device, namely both when data are to be transmitted by the at least one card reader of the tachograph (1) to a device connected to the data bus (4), and when data are to be output from a device connected to the data bus (4) by means of the at least one card reader of the tachograph (1), and wherein a control unit is provided in the tachograph (1) which, when one of the card readers thereof reads in a code that does not identify the tachograph (1), automatically switches the interface thereof to the data bus (4) into an operating state in which the data read in are passed to the data bus (4) immediately and without exerting any influence on the other tachograph functions, and transferred to the device addressed by the code.
  2. The tachograph (1) according to Claim 1, characterized in that
    data from at least one additional device connected to the data bus (4) can be sent to the printing device,
    in that the data sent to the printing device can be printed by the printing device and
    in that a data receiving device is addressed by means of a code which is prepended to the data to be transmitted by a data sending device, namely both when data are to be transmitted from the printing device of the tachograph (1) to a device connected to the data bus (4), and when data are to be output from a device connected to the data bus (4) by the printing device of the tachograph (1).
  3. The tachograph (1), according to Claim 1 or 2, characterized in that the data bus (4) is a CAN bus.
  4. The tachograph (1) according to any one of the preceding claims, characterized in that the control unit of the tachograph (1) causes a buffering of the received data in storage means of the tachograph (1) if the at least one card reader or the printing device is not immediately available for outputting the data, due to its being used by the tachograph (1) itself at the time the data transferred over the data bus (4) are received.
  5. The tachograph (1) according to any one of Claims 1 to 3, characterized in that the control unit of the tachograph (1) signals to the device transmitting over the data bus (4) that the selected output device is busy and therefore not ready for processing the received command, if the at least one card reader or the printing device is not immediately available for outputting the data due to its being used by the tachograph (1) itself at the time the data transferred over the data bus (4) are received.
EP19980113259 1997-07-31 1998-07-16 Tachograph with an interface for its connection to a data bus Expired - Lifetime EP0895199B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732941 1997-07-31
DE1997132941 DE19732941A1 (en) 1997-07-31 1997-07-31 Tachograph with an interface for its connection to a data bus

Publications (3)

Publication Number Publication Date
EP0895199A2 EP0895199A2 (en) 1999-02-03
EP0895199A3 EP0895199A3 (en) 2001-10-10
EP0895199B1 true EP0895199B1 (en) 2012-05-30

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EP19980113259 Expired - Lifetime EP0895199B1 (en) 1997-07-31 1998-07-16 Tachograph with an interface for its connection to a data bus

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006487A3 (en) * 1998-12-04 2004-10-20 Siemens Aktiengesellschaft Electronic tachograph
DE10203555A1 (en) * 2002-01-29 2003-08-07 Endress & Hauser Wetzer Gmbh field device
DE102004013160A1 (en) 2004-03-17 2005-10-13 Siemens Ag printing process
SE530354C2 (en) 2005-07-06 2008-05-13 Scania Cv Abp Arrangements in a vehicle for setting adjustable vehicle functions in accordance with previous settings
DE102009037804A1 (en) * 2009-08-18 2011-02-24 Continental Automotive Gmbh tachograph
DE102019218503A1 (en) * 2019-11-28 2021-06-02 Continental Automotive Gmbh Tachograph for a motor vehicle and motor vehicle and operating method for a tachograph

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338113A1 (en) * 1983-10-20 1985-05-09 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen DATA ACQUISITION DEVICE FOR VEHICLES
DE3505068C1 (en) * 1985-02-14 1986-06-19 Mannesmann Kienzle GmbH, 7730 Villingen-Schwenningen Tachographs for motor vehicles
JPS62151903A (en) * 1985-12-25 1987-07-06 Nippon Denso Co Ltd Electronic controller mounted on vehicle
DE4218804A1 (en) * 1992-06-06 1993-12-09 Vdo Schindling Data presentation, processing and storage appts. for motor vehicle - includes computer, nonvolatile mass storage, data entry interfaces, operational unit and displays of traffic messages etc
EP0655150A4 (en) * 1992-08-14 1996-06-05 Vorad Safety Systems Inc Recording of operational events in an automotive vehicle.
US5303163A (en) * 1992-08-20 1994-04-12 Cummins Electronics Company Configurable vehicle monitoring system

Also Published As

Publication number Publication date
EP0895199A3 (en) 2001-10-10
EP0895199A2 (en) 1999-02-03
DE29810562U1 (en) 1998-08-20
DE19732941A1 (en) 1999-02-04

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