EP2137933A1 - Interface dans un véhicule et procédé d'échange de données - Google Patents

Interface dans un véhicule et procédé d'échange de données

Info

Publication number
EP2137933A1
EP2137933A1 EP08708710A EP08708710A EP2137933A1 EP 2137933 A1 EP2137933 A1 EP 2137933A1 EP 08708710 A EP08708710 A EP 08708710A EP 08708710 A EP08708710 A EP 08708710A EP 2137933 A1 EP2137933 A1 EP 2137933A1
Authority
EP
European Patent Office
Prior art keywords
computing device
interface
mobile computing
vehicle
data
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.)
Withdrawn
Application number
EP08708710A
Other languages
German (de)
English (en)
Inventor
Wolf-Henning Scheider
Werner Poechmueller
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2137933A1 publication Critical patent/EP2137933A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion

Definitions

  • a module comprises a display and / or operating unit and a computer, wherein the computer is designed for communication with other vehicle units.
  • the module forms a unit with power source that can be operated in an adapter-like holder provided in the vehicle.
  • This module is easily removable from the holder. It is operable in the detached state as a stand-alone computer.
  • the module is further configured to communicate with a vehicle bus.
  • the bus connection is not provided for security reasons directly to the module, but is realized in the holder 6.
  • the signals of the data buses are converted via the holder, so that the module itself can be equipped with simple inclusions.
  • the interface according to the invention with the features of the independent claim has the advantage that a data exchange between the mobile computing device and the interface and the interface and the vehicle data bus is carried out according to different bus systems. That's it not required that the mobile computing device itself communicates directly with the vehicle data bus. Thus, not only does a mechanical simplification of a connection between a mobile computing device and a vehicle system take place, but in addition the data traffic between the mobile computing device and the vehicle system is also simplified.
  • a different data bus protocol than in the vehicle can be used between the interface and the mobile computing device, a simplified data protocol between the interface and the mobile computing device can be realized instead of the often required in the vehicle data bus systems with high data transfer rates and high redundancy. In particular, the security relevance requirements for this data bus protocol are simpler.
  • a management unit for the control of access conflicts in the event that an instruction given by the mobile computing device contradicts a command present in the vehicle system.
  • the vehicle system itself has further own control elements, via which commands can be entered, which are possibly opposite to a control via the mobile computing device.
  • the command to open a sunroof which is given via an actuator in the vehicle, can not be performed simultaneously with a command given by the mobile computing device to close the same sunroof.
  • a command in another embodiment is only transmitted from the interface to the vehicle system when it is determined that this command does not contradict an already existing command, which is given approximately at the same time. If appropriate, priority may be given to the commands given via the vehicle control elements.
  • an identification unit for outputting an identification of the vehicle system to the mobile computing device, so that the mobile computing device can, for example, display a corresponding operating menu corresponding to the respective vehicle systems or can provide program code which is assigned to the vehicle systems where the mobile computing device communicates. This avoids that a user must first set the mobile computing device on the operation of his vehicle.
  • a suitable data protocol can also be selected by the mobile computing device for a communication.
  • Computing be connected to the interface for controlling a vehicle system in which there is no information about controlled vehicle functions.
  • the corresponding driver information is loaded from the memory of the interface and transmitted to the mobile computing device. From the mobile computing device then a respective
  • Vehicle system can also be exploited for a connection to the data network.
  • vehicle data can thus also be transmitted to the outside, for example vehicle status data to a workshop.
  • Mobile interface of the mobile computing device is connected via the interface in a simple manner with the respective vehicle system.
  • FIG. 1 shows an interface according to the invention with vehicle data buses connected thereto and a mobile computing device connected to the interface
  • Figure 3 shows an embodiment of a mobile computing device for
  • a LIN is Bus (Local Interconnect Network), a CAN bus 3 (Controller Area Network) and an optical bus 4 (for example, a MOST bus) connected to the interface 1.
  • a LIN is Bus (Local Interconnect Network)
  • CAN bus 3 Controller Area Network
  • optical bus 4 for example, a MOST bus
  • a first actuator 5 for controlling a driver's seat, a second actuator 6 for controlling a window of the vehicle and a third actuator 7 for controlling an air conditioning system of the vehicle is connected. Furthermore, an operating unit 8 with operating elements 9 for controlling the actuators 5, 6, 7 connected to the LIN bus 2 is connected to the LIN bus 2. To the CAN bus 3, a speed measuring unit 10, a tachometer 11, a
  • a navigation device 14 Connected to the optical data bus 4 is a navigation device 14, which preferably has a display 15 and an operating unit 16 with operating elements 17. Furthermore, in one embodiment, a data carrier drive 18 for the supply of navigation data to the navigation device 14 is connected to the navigation unit 14. To the optical data bus, a further disk drive 19 is also connected. About the disk drive 19, for example, images or movies that are stored on the disk in the disk drive 19 via the optical data bus 4 to the display 15 of the navigation unit 14 for display in the display 15 transferable. Furthermore, a radio device 20 for receiving a radio program is connected to the optical data bus 4.
  • the radio device 20 is further connected to an operating unit 21 with controls 22 for controlling the radio device 20, for example for selecting a transmitter, for selecting a piece of music stored on the disk 19 or for adjusting the volume.
  • the interface 1 is connected via a connection 30 to a mobile computing device 31.
  • This preferably has a display 32 and controls 33.
  • the display 32 may be configured as a so-called touch-screen display, in which inputs via a touch of the touch-sensitive display surface of the
  • the connection 30 may be wired, but may also be implemented as a radio connection.
  • the connection 30 is designed as a so-called Bluetooth connection.
  • the radio connection can alternatively also be realized via an infrared interface or a wireless LAN interface.
  • a data exchange takes place between the mobile computing device 31 and the interface 1 according to a first data protocol.
  • the first data protocol may also be embodied as an ISTSI, Firewire or eSATA connection.
  • ISTSI Universal Serial Bus
  • Firewire Firewire
  • eSATA eSATA connection
  • the interface 1 converts information or commands received from the mobile computing device 31 in such a way that it first determines to which data bus in the vehicle the information to be transmitted or the command to be transmitted should be forwarded, if several data buses on the vehicle side to the interface 1 are connected. If the corresponding data bus has been determined, then the corresponding information or command, which is initially received by the mobile computing device in the corresponding data protocol transmitted by the mobile computing device 31, is converted into a command which is compatible with the respective vehicle system and which is now converted into the data protocol of the respective data bus. Information about which vehicle data bus the respective vehicle system is connected to, which is to be operated by the mobile computing device 31, does not have to be present in the mobile computing device 31. This information is provided by the interface 1 instead.
  • the corresponding information or the command are now transmitted to the corresponding vehicle system.
  • a profile of the driver is stored in the mobile computing device 31, so that when making a connection 30 issued a corresponding command to the actuator 5 of the driver's seat and the driver's seat is set to the appropriate position suitable for the corresponding driver.
  • Such a setting is particularly advantageous when the mobile computing device of a passenger in the Rear of the vehicle is used, which can thus make according to his ideas settings without having access to the controls 9, which are usually located in the area of an instrument panel of the vehicle. In a corresponding manner, it is possible to control the car radio 20 or the navigation device 14.
  • route information that has already been previously calculated by the mobile computing device 31, such as a previously entered destination, can be transmitted directly to the navigation system 14 via the interface 1.
  • information or commands can also be transmitted from the vehicle systems to the mobile computing device 31. If the interface 1 determines that it is connected to a mobile computing device 31, then it determines from the data transmitted to or passing through it on the individual data buses 2, 3, 4 which information or commands are relevant for the mobile computing device 31 are. So she can do that
  • This profile can also be transmitted to the mobile computing device 31 and stored in a memory of the mobile computing device 31.
  • an instruction to determine a route to a destination can be transmitted to the mobile computing device 31, so that after leaving the vehicle and removing the mobile computing device from the vehicle, the route to the destination that may not be directly accessible to the vehicle is, can be continued immediately.
  • information about the vehicle such as the speed, the activation of the engine or the traveled route can be transmitted to the mobile computing device 31 and displayed in the display 32. Furthermore, it is also possible to store this information in the mobile computing device 31 in a kind of logbook mode.
  • the interface 1 is not limited to building on a connection 30 with a mobile computing device, but it may also be possible to make further connections 34 to one or more further computing devices 35.
  • FIG. 2 shows an exemplary embodiment of an inventive interface in detail.
  • the interface 1 is preferably integrated in an instrument panel of the vehicle and, in one embodiment, has a mechanical holding or latching device 41, via which a mobile computing device can be mechanically connected to the interface 1.
  • the latching device 41 may also be arranged spatially separated from the interface 1 in the vehicle.
  • the latching connection 41 directly adjoins the interface 1.
  • connections are arranged in the region of the holding connection 41 in such a way that, in the case of a mechanical insertion of the mobile computing device in the
  • Holding device 41 is made a contact with the mobile computing device.
  • a wire connection takes place via an electrical connection 42, via which a supply voltage is transmitted to the mobile computing device 31.
  • a separate power supply of the mobile computing device 31 is thereby charged.
  • Plug connection 43 may be provided for establishing a wired data connection to a mobile computing device.
  • a corresponding radio interface 44 can also be provided on the interface 1.
  • the arithmetic unit 50 has a first software module 51, which converts the data contained in the first data protocol and the mobile computing device into the corresponding data protocol of the vehicle data bus.
  • a second software module 52 is provided, with which the data provided by the vehicle systems via the vehicle data bus in the second data protocol are converted into data according to the first data bus protocol for transmission to the mobile computing device.
  • a memory device 54 further software modules can be stored, which both on the vehicle side and on the part of the mobile Re- chen esters can be loaded according to other desired data protocols, so that the conversion between a first and another second data bus protocol is ensured.
  • a further software module 55 is also provided in the computing unit 50, which is to prevent harmful or disturbing data from being transmitted to the vehicle system.
  • the software module 55 thus assumes a firewall function, so that in particular the integrity of the data transmitted to the vehicle system is checked and it is prevented that disturbing or harmful commands are transmitted to a vehicle system.
  • another software module 56 is provided, which provides a trouble-free solution to the access conflict in the event of an access conflict.
  • An access conflict exists when different or even conflicting commands for a vehicle system are given to a corresponding data bus to which the vehicle system is connected. Such an access conflict can be present, for example, if different commands are transmitted to the vehicle system by a plurality of arithmetic units 31, 35.
  • an access conflict is also possible if an input command via the operating element of the vehicle system and via the operating element of the mobile computing device 31 differs.
  • an access conflict is preferably either solved such that a desired action is not carried out or that an operating device, for example the operating elements of the vehicle system, is given precedence over other operating elements, for example an operating element of the mobile computing device 31.
  • identification data are kept ready, which can be transmitted via the connection 43 or 44 to the mobile computing device 31.
  • an identification not only about the nature of the vehicle but also about the specific copy of the vehicle can be transmitted, for example the chassis number or an authorization. As a result, a unique identification of the vehicle itself is possible in particular when recording logbook data.
  • driver information for example the graphic descriptions of operating menus and / or the sequence of
  • the corresponding operating menus may then be displayed in the display 32 for selection by a user.
  • Other software components such as operating instructions for vehicle systems, can also be kept ready and transmitted to the mobile computing device.
  • FIG. 3 shows an exemplary embodiment of a mobile computing device 31, which is connected to an interface 1 according to the invention.
  • the mobile computing device 31 has a wired data connection 63, a radio interface 64 or a power supply connection 65.
  • a power supply connection 65 In particular, in the realization of a USB interface, it may also be possible to connect the wired data transmission with a power supply.
  • the power supply terminal 65 is preferably a in the mobile computing device
  • the 31 is located accumulator 66 charged to provide a power supply.
  • the data ports 63, 64 are connected to a computing unit 67 of the mobile computing device.
  • the arithmetic unit 67 controls a display unit 68, which is preferably designed as a touch screen.
  • a screen touch detection unit 69 is also connected to the arithmetic unit
  • control menus 69 for controlling functions of the vehicle systems can be displayed.
  • Corresponding control commands are transmitted in one embodiment as a software module 70 from the interface 1 to the mobile computing device 31 and held by the computing unit 67. Accordingly, such menus can also be loaded from a memory unit 76 of the mobile computing device.
  • Transmitted vehicle data is either in the display
  • the mobile computing device 31 has a mobile radio interface 72 via which the mobile computing device 31 can establish a connection to a mobile radio network.
  • a connection to a data network outside the vehicle is possible via the connection to a mobile radio network, for example to the Internet.
  • data can be transmitted from a vehicle system via the interface 1 and the mobile computing device 31 to the data network and vice versa.
  • this enables a remote diagnosis of the vehicle, on the other hand also a remote maintenance, in which updated operating data of the vehicle can be transmitted to the vehicle.
  • the mobile computing device 31 has an audio output 73. This makes it possible, for example, to output audio data from the radio 20 or the data carrier 19 via the interface 1 to the mobile computing device for output via the audio interface 73.
  • a headphone can be connected to the audio interface so that it is possible to listen to music via the mobile computing device or to follow a radio program received by the vehicle system and by corresponding conversion of the data bus protocol from the optical data bus to the data connection to the mobile computing unit 31 is implemented.
  • control surfaces for different vehicle systems or even for different vehicles can be stored.
  • a digital navigation map can be transmitted from the navigation device to the mobile computing device. From the computing unit 67 can thus be continued route support, even after removal from the vehicle. Furthermore, supplementary information such as telephone directory data, data of special points (so-called POIs, points of interests) and travel guide data can also be transmitted to the mobile computing device so that the driver can use it outside the vehicle. Furthermore, in a further embodiment, data about the tank level, the driving distance traveled, the average fuel consumption or the wear of the brake linings can also be transmitted to the mobile computing device by the vehicle systems via the CAN bus.
  • the mobile computing device 31 may also comprise a card reader 74 for supplying data via a data carrier card, for example an SD or M M C card.
  • a data carrier card for example an SD or M M C card.
  • the data provided with it can now also be transmitted via the interface 1 to a vehicle system.

Abstract

L'invention concerne une interface (1) dans un véhicule, destinée à une liaison avec un dispositif de calcul mobile (31, 35) pour un échange de données entre l'interface (1) et ledit dispositif de calcul mobile (31, 35), ladite interface (1) étant raccordée à un bus de données du véhicule (2, 3, 4) pour l'échange de données avec au moins un système du véhicule (5, 6, 7, 10, 11, 12, 13, 14, 19, 20), caractérisée en ce que l'échange de données entre le dispositif de calcul mobile (31, 35) et l'interface (1) s'effectue suivant un premier protocole de données, et en ce que l'échange de données entre l'interface et au moins un système du véhicule s'effectue suivant un second protocole de données, différent du premier protocole de données.
EP08708710A 2007-03-14 2008-02-05 Interface dans un véhicule et procédé d'échange de données Withdrawn EP2137933A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007012304A DE102007012304A1 (de) 2007-03-14 2007-03-14 Schnittstelle in einem Fahrzeug und Verfahren zum Datenaustausch
PCT/EP2008/051411 WO2008110413A1 (fr) 2007-03-14 2008-02-05 Interface dans un véhicule et procédé d'échange de données

Publications (1)

Publication Number Publication Date
EP2137933A1 true EP2137933A1 (fr) 2009-12-30

Family

ID=39535416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08708710A Withdrawn EP2137933A1 (fr) 2007-03-14 2008-02-05 Interface dans un véhicule et procédé d'échange de données

Country Status (5)

Country Link
US (1) US8948923B2 (fr)
EP (1) EP2137933A1 (fr)
CN (1) CN101641940A (fr)
DE (1) DE102007012304A1 (fr)
WO (1) WO2008110413A1 (fr)

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US8948923B2 (en) 2015-02-03
DE102007012304A1 (de) 2008-09-18
US20110106333A1 (en) 2011-05-05
WO2008110413A1 (fr) 2008-09-18
CN101641940A (zh) 2010-02-03

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