DE102006017644A1 - Motor vehicle data detecting and evaluating arrangement for use in diagnostic system, has movable detecting device for reading data at stations, where detected data is transmitted to central database over radio connection - Google Patents

Abstract

The arrangement has a motor vehicle coupled at diagnosis stations (11) e.g. fueling station, and a movable detecting device (10) e.g. laptop, for reading data at the diagnosis stations during testing the vehicle. The detected data is transmitted to a central database over a radio connection, and the central database transmits the data with the corresponding vehicle identification to data evaluation unit (13) of central error detection and error analysis.

Description

The Invention relates to the detection and diagnosis of vehicle data, in particular of test vehicles in which during the testing extensive Tests performed be and both in the development of new vehicle models as well as in the model care continuously various data of the vehicle be captured and subsequently be evaluated centrally, then this data of further development to disposal to deliver.

Usually will the data be during the Testing in a control unit of the vehicle detected and then read from the control unit and evaluated.

In modern vehicles, the complexity of the components requires an adjustment the electronic architecture, which has changed significantly. So are the data stream in the electrical system and the extent of electronic networking the individual subsystems, such as the instrument cluster, the door modules, the Engine electronics, the light modules or the ABS increased dramatically. That is why the testing of functionality and reliability the electronic components of high importance.

Of the The present invention was therefore based on the object as possible simple inexpensive Develop system that allows up-to-date information read out of the vehicle and immediately a corresponding evaluation unit to disposal to deliver.

These The object is achieved by the features according to the invention of the main claim solved and explained in more detail in the following description.

The inventive method has the advantage that the data accumulating in the vehicles too recorded the various functions and control devices and then for example via a Radio connection to be forwarded to a central database. Advantageously, can in this central database, the data, for example, during a mobile testing of an in-vehicle detection device or from diagnostic stations e.g. at petrol stations or in workshops or at dealers be read out. So lets the refueling process combines with and requires the readout process only a minimal amount of time to plug in the connection to the readout unit.

So Comprehensive information is automatically available in this central database for the Analysis and optimization of vehicle electronics available. costly Diagnostic tools on the vehicle can omitted.

advantageously, This diagnostic system is also outside during test drives can be used by the manufacturer. So it is possible the vehicles with one equipped interface point, which on the Diagnosestelle and the vehicle electrical system communication with all controllers of the vehicle leads.

One Another advantage is that the diagnostic data of several Vehicles, ie from all development vehicles of a test fleet can by an engineer already while the drive from a detection device, for example, a Laptop to be captured. Providing an access point in each Vehicle also allows a communication link among the Build vehicles of the test fleet.

One embodiment the detection according to the invention and diagnosis of vehicle data is shown in the drawings and explained in the following description.

The Figure shows the arrangement of the central database with the stations for data collection for the Diagnosis.

The figure shows the different components. Thus, the reference ZDB denotes a central database ZDB. With the reference numerals 10 For example, a mobile detection device is, for example, a laptop, with the aid of which the data is read from the test vehicle.

Another possibility is a manufacturer-independent diagnostic station 11 for example, at petrol stations. Here, the vehicle is connected, for example, during the refueling process via a diagnostic cable with a read station and passed all recorded data to the central database ZDB.

With the reference number 12 is a manufacturer-specific readout station, for example, referred to the dealer, in workshops or on the factory premises.

All recorded data are fed to the central database ZDB. For data collection is an interface or an access point is provided in the test vehicles, on which the data from the individual control units are read and preferably via a Radio link then transferred to the central database ZDB.

The diagnosis is only possible when the ignition is switched on. If the vehicle is at a selection station 11 or 12 then the diagnostic cable must be plugged in. After starting the diagnostic process, the radio connection with the central database ZDB is established and the program status of the Motronic is read out. Based on the detected engine control, the assignment of the vehicle and the exact identification, for example, based on the chassis number via the radio connection with the central database ZDB. In the event that no radio link can be established, the assignment of the vehicle is made on the basis of the vehicle number. If no assignment is possible, the read-out process and thus the diagnosis are aborted.

to Reduction of the readout time will only be implemented in the vehicle and coded controllers identified. Subsequently the read-out of the control units takes place by means of a control unit identification, by testing the coding, measured values and fault memory entries.

These Values are written to a log. Once the diagnosis is completed is, this is indicated to the driver and he can turn off the ignition and disconnect the diagnostic cable. The created diagnostic log is sent to the central one after completion of the diagnostic reading process Database ZDB transmitted.

From the central database ZDB, the data is sent to a first data evaluation 13 in the individual department, which are responsible for the development, transferred and / or to a second data analysis 14 for the aftersale market. Due to the large amount of data collected, an error statistic can be created and appropriate action taken, which can be done by the point 15 is shown in the figure.

This Diagnostic information system allows the collection and evaluation of vehicle data and thus a timely Incorrect trend detection from all vehicles of a manufacturer Testing started from prototypes in development to production vehicles at the customer, which then on the Interfaces at petrol stations or in the workshops read out become.

With Help of vehicle data during test drives be collected at home and abroad, as well as with the diagnostic data, at the individual production development sites as well as at the dealers and workshops can be read out, can be so early Recognize errors and problems or take appropriate action the competent Initiate specialist departments.

With this diagnostic system can the expenses for recording, filing and evaluation of diagnostic data clearly be reduced. At the same time is a standardization and reduction given the tools to capture and analyze the diagnostic data. The central database allows It continues to provide the diagnostic data to a large group of users and thus early in the development of new vehicles in development to take into account.

Claims (2)

Arrangement for recording and evaluating motor vehicle data with a diagnostic system, with the data already in the trial in at least one test vehicle from a mobile read-out device be read on the vehicle, the motor vehicle at diagnostic stations can be coupled to which also the data by means of a read-out device are readable and where all recorded data via a radio link to a central database (ZDB) be forwarded and this central Database the data with a corresponding vehicle identifier a data evaluation central error detection and error analysis forwards. Arrangement according to claim 1, characterized that for reading the data from the motor vehicle, a diagnostic process is started and the read-out device, the data of the engine control of the motor vehicle for motor vehicle identification reads and according to the identified vehicle only those for this Vehicle reads out necessary data.