CN102687086A

CN102687086A - Device for remotely diagnosing an automobile

Info

Publication number: CN102687086A
Application number: CN2010800321233A
Authority: CN
Inventors: R·德拉
Original assignee: Peugeot Citroen Automobiles SA
Current assignee: PSA Automobiles SA
Priority date: 2009-07-16
Filing date: 2010-06-22
Publication date: 2012-09-19
Anticipated expiration: 2030-06-22
Also published as: FR2948208A1; EP2454640A1; CN102687086B; FR2948208B1; BRPI1010123A2; WO2011007067A1

Abstract

The present invention relates to an aid device (100) for remotely diagnosing an automobile, characterized in that the identification table (15) of a storage means (13) comprises a list of codes defining the types of authorized requests for the remote diagnosis and, for each of said codes defining a type of authorized request, a set of computer identification codes. The invention can be immediately used in the field of automobiles.

Description

The tele-diagnostic device that is used for motor vehicles

The present invention relates to be used for the tele-diagnostic device of motor vehicles.

The information that the present invention relates more specifically to send through the truck-mounted computer in the motor vehicles is diagnosed the tele-diagnostic device of motor vehicles of electronic failure or the malfunctioning reason of vehicle.

Field of the present invention is the outfit parts of motor vehicles, like sensor, and the diagnostic field of the fault of computing machine (for example engine control computer, driving cabin computing machine or anti-wheel locking system computer) etc., malfunctioning or defective.

For simply, at the application's the term of hereinafter not distinguishing ground failure in service, fault or defective.

This car-mounted electronic device continue to increase the complicacy that increases in the fault detect that has caused when the after sale service of vehicle maintenance, thereby the tipped tool that needs fault to get rid of, like diagnostic tool etc.

These diagnostic tools especially can read computerized information from vehicle, perhaps can also guide one or more actuators under specific circumstances, so that control good operation or realize the for example operation of update calculation machine parameter.

When vehicle when breaking down away from the place in the garage that has diagnostic tool because the cost problem, send the personnel that repair not have the diagnostic tool of outfit usually corresponding to type of vehicle.To the fault of electronic type, the maintenance personal then must simply diagnose through service centre.

In fact, some vehicle is equipped with remote diagnosis system, is also referred to as remote diagnosis system, and this remote diagnosis system can be got in touch vehicular manufacturer's service centre when for example pressing the service call button that is positioned at driving cabin.

The operating personnel of service centre through inquiring the understanding problem to the computing machine that embeds vehicle, set up remote diagnosis from its working position then.

For realizing remote diagnosis, the operating personnel of service centre can send request from its working position, and described request is formed by IS014230 and IS014229 standard by the series of standards code or rather.The code that this request usually defines by the cognizance code of diagnosis computer, to request (for example " reading " request) type that realizes on computers and definite parameter code that relates to parameter by request constitute.

Therefore, the operating personnel of service centre be provided with one group predefined when vehicle designs, and be kept at the request in the memory storage that embeds vehicle.

Yet; For example when updating computer software or when the computing machine of service is after sale changed; The operating personnel of service centre can't propose diagnosis request again to some COMPUTER PARAMETER of having upgraded, and the coding of these new arguments is predefine in the memory storage of vehicle not.

The coding of such vehicle-mounted request that can not remotely modifying can guarantee the maximum security of vehicle really, but when for example operating personnel's specialty maintenance, has the operation degree of freedom that hinders operating personnel and the risk of remote diagnosis accuracy.

On the contrary, if vehicle-mounted request is free and open to the long-distance user, this possibly cause potential risky operation.

Under this background, the present invention aims to provide a kind of tele-diagnostic device that is used for motor vehicles, and this tele-diagnostic device is intended to solve the above problems, and when guaranteeing the vehicle maximum security, the big use degree of freedom of remote diagnosis is provided.

Therefore, the present invention provides a kind of remote diagnosis servicing unit that is used for motor vehicles, and it comprises:

-many chassis borne computer;

-be applicable to the diagnosis computer of the data of obtaining said computing machine;

-be applicable to the device of setting up telecommunication, so that receiving by remote diagnosis, said vehicle sets up a plurality of requests that send at the center, each described request is by to give a definition:

I. first cognizance code of diagnosis computer;

Ii. second code that the request type that is applied to said diagnosis computer is defined;

The third generation sign indicating number of the parameter of the said computing machine of iii. confirming to relate to by described request;

-with the memory storage that said diagnosis computer links to each other, said memory device stores allows said diagnosis computer mandate to carry out the Identification Lists of being set up the described request of sending at the center by said diagnosis;

Said device is characterised in that said Identification Lists comprises:

The tabulation of said second code of the authorization requests type of-definition remote diagnosis;

The cognizance code collection of-computing machine, each of said second code that it is used for the authorization requests type is defined.

Except that principal character mentioned above, be used for the remote diagnosis servicing unit of motor vehicles, consider or consider to have one or more following characteristics of replenishing separately according to all possible technical combinations:

-in second code of definition authorization requests type each, said Identification Lists all comprises the code set of the parameter of the said computing machine of confirming to be related to by described request;

-said diagnosis computer comprises that said diagnosis sets up the pick-up unit of transmission of the diagnosis request at center;

-said diagnosis computer comprises to the dispensing device of said computing machine destination transmission corresponding to the detection information of being set up the diagnosis request of sending at the center by said diagnosis;

-said diagnosis computer is suitable for obtaining the service data of being sent by the sensor that embeds said vehicle;

-said device can be set up the telecommunication of setting up the center exchange message with said diagnosis through wireless network;

-said wireless network is the Local wireless network of GSM network or Wifi type.

Another purpose of the present invention provides a kind of motor vehicles, it is characterized in that, comprises the remote diagnosis servicing unit that is used for motor vehicles according to of the present invention.

By the instructions of the embodiment that describes as the unique accompanying drawing that is used for the tele-diagnostic device block diagram of motor vehicles according to the present invention, it is obvious that other features and advantages of the present invention will clearly become.

For simply, at the application's the term that does not hereinafter use remote diagnosis and telediagnosis with distinguishing.

The remote diagnosis servicing unit 100 that is used for motor vehicles comprises:

-embed the network 14 of the

computing machine

16,17 of vehicle 20, communicate by letter with a plurality of sensor (not shown) of vehicle 20;

-telediagnosis computing machine 12, it can obtain the data of

computing machine

16,17 according to the request that telediagnosis produces;

-the data storage device 13 that links to each other with telediagnosis computing machine 12, said data storage device 13 comprises the Identification Lists of listing by the telediagnosis authorization requests 15;

-communicator 11, it is used for carrying out telecommunication with service centre 200.

Computer network 14 comprises for example many computing machines, and two computing machines wherein are by

Reference numeral

16 and 17 expressions.Computing machine 16 links to each other with telediagnosis computing machine 12 through multiline message transmission network (for example CAN (English is Controller Area Network) type network) with 17.

Service centre 200 also comprise can with the communicator 31 of vehicle 20 exchange messages.Therefore, operating personnel 33 can be from its working position 32 diagnosis requirement that receive from vehicle 20, and file a request to set up diagnosis to vehicle trouble and malfunctioning reason.The information between service centre and vehicle and the exchange of order realize through Wifi type or GSM type wireless network.

Telediagnosis computing machine 12 at first detects 33 a series of initialization of communicating by letter with the teleworker, and then concentrates the information in the embedded

computer

16,17.

For this reason, telediagnosis computing machine 12 comprises:

The memory storage 13 of-Identification Lists 15 is formed the code set of available requests when it is included in and carries out a series of telecommunication with operating personnel 33;

-pick-up unit 18, its detection through the telecommunication request start the telediagnosis operation;

-dispensing device 19, its detection information that will require corresponding to operating personnel 33 telediagnosis sends to other

computing machine destination

16,17 in multi-channel network.

Request is according to by the series of standards code, the frame structure (trame) that is more properly formed by standard I S014230 and IS014229 and generating.

Therefore, diagnosis request comprises with standardized mode:

First code of the diagnostic truck-mounted computer of-identification, for example " 0xFFF " type;

Second code of the request type of the computing machine that-definition is applied to be related to by first code is for example for " 0x21 " type that reads type requests;

The third generation sign indicating number of-COMPUTER PARAMETER confirming to be related to by first code, said the 3rd code can be " 0xFF " types for example.

According to the present invention, for the life-span of vehicle, the Identification Lists 15 of the telediagnosis computing machine 12 of vehicle 20 has itemized corresponding to the code by the request type of telediagnosis mandate.

For this reason, Identification Lists 15 includes only to play safe and causes the request of vehicle user risk, for example " reads through identification code ", the request of " acquiescence reads " type, and this can not carry out remote authorization to the request of " reinitializing " type.

These requests that " reinitialize " type are not in the Identification Lists 15 of diagnosis computer 12, and telediagnosis computing machine 12 cannot be carried out not by the request of Identification Lists identification, and then the foundation of such remote diagnosis request does not have the result.

Therefore, the security of vehicle has improved, and vehicle long-range to usurp risk little.

To each code of expression request type, for example corresponding to the code " 0x21 " of the request of reading through identification code, Identification Lists 15 is united the identification code collection of a sets of computer with the code set of clearly describing related COMPUTER PARAMETER.Like unique embodiment that expresses Identification Lists 15 shown in the drawings.

According to the present invention, the identification code of telediagnosis computing machine and parameter are free and open in the data area of vehicular manufacturer's definition.

Comprise device 100 like the Identification Lists 15 of preceding detailed description; Through forbidding sending to vehicle and the adventurous request of user; When guaranteeing maximum security; When telediagnosis, can leave the operation degree of freedom for expert operating personnel, allowing its formation is not the initial special request of reserving when vehicle designs.

Therefore, when for example embeddeding

computer

16,17 being upgraded,, can remove the renewal of telediagnosis computing machine 12 according to device 100 of the present invention through the change software version.

For example, when vehicle designs,, can visit parameter by code " 0x12 ", " 0x13 ", " 0x14 " definition corresponding to the version of the computer software of for example code " 0xFFF ".After the version updating of this computer software, new argument is available, for example reads, like the parameter through code " 0x15 " and " 0x16 " definition.

Therefore; Expert operating personnel 33 can use the telediagnosis service so that freely propose the new argument about the computing machine that upgrades; Or about when telecounter designs, there not being the request of embeddeding computer in place, and need not the renewal of telediagnosis computing machine 12.

Because the request type that operating personnel cannot long-range execution not be preestablished and initially come into force by the vehicular manufacturer is so guaranteed the security of vehicle.

Other advantage of the present invention is specific as follows:

-diagnosis degree of freedom in telediagnosis is used;

-guarantee to prevent to usurp the maximum security with operating personnel's operating mistake;

-concrete, not initial predefined request can be proposed;

-having reduced the design cost of telediagnosis computing machine, the telediagnosis computing machine can be used in the different motor vehicles.

Claims

1. remote diagnosis servicing unit (100) that is used for motor vehicles comprising:

-many chassis borne computer (16,17);

-be applicable to the diagnosis computer (12) of the data of obtaining said computing machine (16,17);

-be applicable to the device (11) of setting up telecommunication, so that a plurality of requests that send at center (200) are set up in said vehicle (20) receiving remote diagnosis, each described request is by to give a definition:

I. discern first code of computing machine to be diagnosed (16,17);

Ii. definition is applied to second code of the request type of computing machine said to be diagnosed (16,17);

The third generation sign indicating number of the parameter of the said computing machine of iii. confirming to relate to (16,17) by described request;

-the memory storage (13) that links to each other with said diagnosis computer (12), said memory storage (13) storage allow said diagnosis computer (12) to authorize and carry out the Identification Lists (15) of being set up the described request of sending at center (200) by said diagnosis;

Said device (100) is characterised in that said Identification Lists (15) comprising:

-definition is used for the tabulation of said second code of the authorization requests type of remote diagnosis;

The cognizance code collection of-computing machine, it is used for defining each of said second code of authorization requests type.

2. the remote diagnosis servicing unit (100) that is used for motor vehicles according to claim 1; It is characterized in that; For in said second code of definition authorization requests type each, said Identification Lists (15) comprises the code set of the parameter of the said computing machine of confirming to be related to by described request.

3. according to the described remote diagnosis servicing unit (100) that is used for motor vehicles one of in the claim 1 to 2, it is characterized in that said diagnosis computer (12) comprises that said diagnosis sets up the pick-up unit (18) of transmission of the diagnosis request at center (200).

4. according to the described remote diagnosis servicing unit (100) that is used for motor vehicles one of in the claim 1 to 3; It is characterized in that said diagnosis computer (12) comprises to the dispensing device (19) of said computing machine destination transmission corresponding to the detection information of being set up the diagnosis request of sending at center (200) by said diagnosis.

5. according to the described remote diagnosis servicing unit (100) that is used for motor vehicles one of in the claim 1 to 4, it is characterized in that said diagnosis computer (12) is applicable to and obtains the operational data of being sent by the sensor that embeds in the said vehicle (20).

6. according to the described remote diagnosis servicing unit (100) that is used for motor vehicles one of in the claim 1 to 5, it is characterized in that said device (11) is applicable to that foundation sets up the telecommunication of center (200) exchange message through wireless network and said diagnosis.

7. the remote diagnosis servicing unit (100) that is used for motor vehicles according to claim 6 is characterized in that, said wireless network is GSM network or Wifi type Local wireless network.

8. motor vehicles (20) is characterized in that, comprise according to the described remote diagnosis servicing unit (100) that is used for motor vehicles one of in the claim 1 to 7.