CN108170133A - A kind of remote fault diagnosis method and system - Google Patents
A kind of remote fault diagnosis method and system Download PDFInfo
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- CN108170133A CN108170133A CN201810077739.0A CN201810077739A CN108170133A CN 108170133 A CN108170133 A CN 108170133A CN 201810077739 A CN201810077739 A CN 201810077739A CN 108170133 A CN108170133 A CN 108170133A
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- vehicle
- car
- terminal
- telematics platform
- mounted terminal
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0267—Fault communication, e.g. human machine interface [HMI]
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- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The present invention relates to wireless communication technique fields, and in particular to a kind of remote fault diagnosis method and system, this method include：Car-mounted terminal detects whether to receive the first diagnostic instruction that telematics platform issues；If so, to the telematics platform reporting terminal running log；The terminal operating daily record is handed down to client terminal by the telematics platform, so that the client diagnoses the car-mounted terminal failure according to the terminal operating daily record on the client terminal.Fault diagnosis efficiency is improved by the present invention and saves vehicle fault detection cost.
Description
Technical field
The present invention relates to wireless communication technique fields, and in particular to a kind of remote fault diagnosis method and system.
Background technology
At present, vehicle is in actual motion, if car-mounted terminal encounters problems, operating personnel are required to go to scene, will
Car-mounted terminal removes, and then presets serial ports by car-mounted terminal and reads car-mounted terminal internal operation daily record, according in car-mounted terminal
Portion's running log carries out problem analysis reason.
This method exists following insufficient：(1) default vehicle-mounted terminal serial port is needed, increases complete machine cost；(2) car-mounted terminal goes out
Existing problem is both needed to go to Solve on site, waste of manpower, material resources.
Invention content
The present invention provides a kind of remote fault diagnosis method and system, to improve fault diagnosis efficiency and save vehicle
Fault detect cost.
To achieve these goals, the present invention provides following technical solutions：
A kind of remote fault diagnosis method, the method includes：
Car-mounted terminal detects whether to receive the first diagnostic instruction that telematics platform issues；
If so, to the telematics platform reporting terminal running log；
The terminal operating daily record is handed down to client terminal by the telematics platform, so that client is according to described
The terminal operating daily record on client terminal diagnoses the car-mounted terminal failure.
Preferably, the method further includes：
Before car-mounted terminal detects whether to receive the first diagnostic instruction that telematics platform issues, detect whether to receive
The second opinion instruction issued to the telematics platform；
If so, obtain diagnostic datas to all vehicle control devices of vehicle by diagnosing CAN bus, and by the diagnosis number
According to being sent to the telematics platform；
The diagnostic data is handed down to the client terminal by the telematics platform so that the client according to
The diagnostic data on the client terminal diagnoses each vehicle control device failure.
Preferably, the method further includes：
Before car-mounted terminal detects whether to receive the second opinion instruction that telematics platform issues, detect whether to receive
The third diagnostic instruction issued to the telematics platform；
If so, vehicle running log is obtained, and will be described whole to all vehicle control devices of vehicle by diagnosing CAN bus
Vehicle running log is sent to the telematics platform；
The vehicle running log is handed down to the client terminal by the telematics platform, so that the client
According to the failure cause of the vehicle running log analysis fault car controller on client terminal.
Preferably, the method further includes：
First diagnostic instruction, second opinion instruction and the third diagnostic instruction are by client end
End is sent to the telematics platform.
Preferably, the method further includes：
By diagnosing, CAN bus obtains diagnostic data to the car-mounted terminal to all vehicle control devices of vehicle or vehicle is run
Before daily record, the state of vehicle is detected；
If vehicle is in and powers on or fired state, obtained by diagnosing CAN bus to all vehicle control devices of vehicle
Diagnostic data or vehicle running log；
When detecting that vehicle is in flameout state, then prompt message is powered on to telematics platform transmission；
The prompt message that powers on is handed down to the client terminal by the telematics platform, so that the client
Terminal notifying powers on vehicle.
Preferably, the method further includes：
The diagnostic data or the vehicle running log are being handed down to the telematics by the car-mounted terminal
Before platform, whether detection is normal with the communication of the telematics platform in real time；
If it is not, then the diagnostic data or the vehicle running log is written to storage card in the car-mounted terminal, until
With the telematics Platform communication it is normal after, the car-mounted terminal reads the diagnostic data or institute from the storage card
Vehicle running log is stated, and the diagnostic data or the vehicle running log are sent to the telematics platform.
A kind of remote diagnosis system, the system comprises：Client terminal, car-mounted terminal and respectively with the vehicle-mounted end
The telematics platform that end, the client terminal pass through wireless communication；The client terminal passes through the long-range letter
It ceases service platform and sends the first diagnostic instruction to the car-mounted terminal, the car-mounted terminal receives first diagnostic instruction
Afterwards, to the telematics platform reporting terminal running log, so that the telematics platform is by the terminal
Running log is handed down to the client terminal, so as to which client be made to be diagnosed according to the terminal operating daily record on the client terminal
The car-mounted terminal failure.
Preferably, the system also includes：The one or more vehicles being connect with the car-mounted terminal by diagnosing CAN bus
Controller；
The client terminal sends second opinion to the car-mounted terminal by the telematics platform and instructs, institute
It states after car-mounted terminal receives second opinion instruction, diagnosis number is obtained to all vehicle control devices by diagnosing CAN bus
According to, and the diagnostic data is sent to the telematics platform, so that the telematics platform is by described in
Diagnostic data is handed down to the client terminal, so as to make client each according to the diagnostic data diagnosis on the client terminal
Vehicle control device failure；
The client terminal sends third diagnostic instruction, institute by the telematics platform to the car-mounted terminal
It states after car-mounted terminal receives the third diagnostic instruction, obtaining vehicle to each vehicle control device by diagnosing CAN bus transports
Row daily record, and the vehicle running log is sent to the telematics platform, so that the telematics are put down
The vehicle running log is handed down to the client terminal by platform, so as to which client be made to be run according to the vehicle on client terminal
The failure cause of log analysis fault car controller.
Preferably, the system also includes：The display being connect with the client terminal；
The car-mounted terminal obtains diagnostic data or vehicle running log by diagnosing CAN bus to all vehicle control devices
Before, the state of vehicle is detected；
When detecting that vehicle is in flameout state, the car-mounted terminal is powered on to telematics platform transmission
Prompt message, so that the prompt message that powers on is sent to the client terminal by the telematics platform, so as to make
The client terminal powers on vehicle by the display prompts.
Preferably, the system also includes：The storage card being electrically connected with the car-mounted terminal；
The diagnostic data or the vehicle running log are being handed down to the telematics by the car-mounted terminal
Before platform, whether detection is normal with the communication of the telematics platform in real time；If abnormal, the vehicle-mounted end
It holds to the storage card and the diagnostic data or the vehicle running log is written, lead to until with the telematics platform
After letter is normal, the car-mounted terminal reads the diagnostic data or the vehicle running log from the storage card, and by described in
Diagnostic data or the vehicle running log are sent to the telematics platform.
The beneficial effects of the present invention are：
Remote fault diagnosis method provided in an embodiment of the present invention and system, car-mounted terminal detection receive telematics
After the first diagnostic instruction that platform issues, to the remote service platform reporting terminal running log；The telematics
The terminal operating daily record is handed down to client terminal by platform, so that client is according to the terminal operating on the client terminal
Daily record diagnoses the car-mounted terminal failure.By the present invention, improve fault diagnosis efficiency and save vehicle fault detection
Cost.
Description of the drawings
Fig. 1 is the first flow chart of remote fault diagnosis method of the embodiment of the present invention.
Fig. 2 is second of flow chart of remote fault diagnosis method of the embodiment of the present invention.
Fig. 3 is the third flow chart of remote fault diagnosis method of the embodiment of the present invention.
Specific embodiment
In order to which those skilled in the art is enable to be further understood that the feature and technology contents of the present invention, below in conjunction with the accompanying drawings
It elaborates with embodiment to the embodiment of the present invention.
It is the first flow chart of remote fault diagnosis method of the embodiment of the present invention as shown in Figure 1, includes the following steps：
Step 100：Start.
Step 101：Car-mounted terminal detects whether to receive the first diagnostic instruction that long-distance intelligent service platform issues；If
It is to perform step 102, otherwise, returns and perform step 101.
Specifically, the first diagnostic instruction can be that client terminal is sent to telematics platform, for obtaining vehicle
The instruction of the running log (terminal operating daily record) of mounted terminal；It should be noted that in the embodiment of the present invention, client terminal can be with
It is the mobile terminal controlled by client, PC machine etc., and client terminal is installed above application program, user is by inputting account
Application program on password login client terminal, and logged in after passing through telematics platform authentication.
After the client terminal logins successfully, telematics platform leads to telematics platform with car-mounted terminal
Before letter, whether first determine whether car-mounted terminal in wake-up states, if it is not, then judge client terminal application program whether
Foreground, if it is, the dialing interface that telematics platform is provided by telecom operators, passes through specified telephone number
It dials to car-mounted terminal, to wake up car-mounted terminal.
Step 102：Car-mounted terminal is to the telematics platform reporting terminal running log.
Step 103：The terminal operating daily record is handed down to client terminal by the telematics platform.
Step 104：Client diagnoses the car-mounted terminal failure according to the terminal operating daily record on the client terminal.
Remote fault diagnosis method provided in an embodiment of the present invention, car-mounted terminal is according to the first of telematics platform
Terminal operating daily record is reported to telematics platform by diagnostic instruction, and telematics platform again transports the terminal
Row daily record is handed down to client terminal, so as to which client be made to diagnose the vehicle according to the terminal operating daily record on the client terminal
Mounted terminal failure by the present invention, improves the efficiency of car-mounted terminal fault diagnosis, and saves car-mounted terminal fault detect
Cost.
Further, it is that the embodiment of the present invention is remote as shown in Figure 2 for the failure of vehicle control device on more preferable diagnosis vehicle
Second of flow of remote fault diagnosis method, includes the following steps：
Step 200：Start.
Step 201：Car-mounted terminal detects whether to receive the second opinion instruction that telematics platform issues；If
It is to perform step 202；Otherwise, step 207 is performed.
Specifically, second opinion instruction can be that client terminal is sent to telematics platform, whole for obtaining
The instruction of all vehicle control device diagnostic datas of vehicle.
Step 202：Car-mounted terminal obtains diagnostic data by diagnosing CAN bus to all vehicle control devices of vehicle.
It should be noted that car-mounted terminal obtains diagnostic data by diagnosing CAN bus to all vehicle control devices of vehicle
Before, whether in a dormant state vehicle network (including diagnosis CAN bus and CAN bus) is first determined whether, if it is, vehicle-mounted
Terminal wakes up vehicle network by network management, the first setting time (for example, the first setting time is 1s) is waited for judge afterwards whole
Vehicle network state if diagnosis CAN bus network is not waken up, is continued waiting for until the second setting time is (for example, during the second setting
Between be 3s) time-out, time-out after if diagnosis CAN bus network do not wake up yet, the collected information content be invalid value, it is vehicle-mounted
Collected invalid value is reported to telematics platform by terminal.
Step 203：The diagnostic data is sent to the telematics platform by the car-mounted terminal.
Step 204：The diagnostic data is handed down to the client terminal by the telematics platform.
Step 205：Client diagnoses each vehicle control device failure according to the diagnostic data on the client terminal.
It should be noted that client can learn which specific vehicle control on vehicle on client terminal according to diagnostic data
There is failure in device processed, but can not learn the reason of vehicle control device of failure breaks down according to diagnostic data, and passes through
The running log of fault car controller can analyze the failure cause of fault car controller.
Step 206：Terminate.
Step 207：Car-mounted terminal detects whether to receive the first diagnostic instruction that long-distance intelligent service platform issues；If
It is to perform step 208, otherwise, returns and perform step 201.
Step 208：Car-mounted terminal is to the telematics platform reporting terminal running log.
Step 209：The terminal operating daily record is handed down to client terminal by the telematics platform.
Step 210：The client diagnoses the car-mounted terminal according to the terminal operating daily record on the client terminal
Failure performs step 206.
Remote fault diagnosis method provided in an embodiment of the present invention, car-mounted terminal detect that telematics platform issues
Second opinion instruction after, obtain diagnostic datas to all vehicle control devices of vehicle, and examine described by diagnosing CAN bus
Disconnected data are sent to telematics platform, so that the diagnostic data is handed down to client's end by telematics platform
End, so as to which the client be made to diagnose each vehicle control device failure according to the diagnostic data on the client terminal.Pass through
The present invention, improves the efficiency of diagnosis vehicle control device failure, and saves the cost of car-mounted terminal fault detect.
Further, in order to preferably analyze the failure cause of vehicle control device on vehicle when vehicle powers on or lights a fire,
It is the third flow chart of remote fault diagnosis method of the embodiment of the present invention as shown in Figure 3 so as to freeing vehicle controller failure,
Include the following steps：
Step 300：Start.
Step 301：Car-mounted terminal detects whether to receive the third diagnostic instruction that telematics platform issues；If
It is to perform step 302；Otherwise, step 315 is performed.
Specifically, third diagnostic instruction can be that client terminal is sent to telematics platform, whole for obtaining
The instruction of all vehicle control devices of vehicle (can include car-mounted terminal can not also include car-mounted terminal) running log.
Step 302：Whether car-mounted terminal detection vehicle is in flameout state；If so, perform step 303；Otherwise, it performs
Step 307.
Step 303：Car-mounted terminal powers on prompt message to telematics platform transmission.
Step 304：The prompt message that powers on is handed down to the client terminal by the telematics platform.
Step 305：The client terminal prompting powers on vehicle.
Step 306：Terminate.
Step 307：Car-mounted terminal obtains vehicle running log by diagnosing CAN bus to all vehicle control devices of vehicle.
Step 308：Whether detection is normal with the communication of the telematics platform in real time for car-mounted terminal；If so,
Perform step 309；Otherwise, step 312 is performed.
Step 309：The vehicle running log is sent to the telematics platform by car-mounted terminal.
Step 310：The vehicle running log is handed down to the client terminal by the telematics platform.
Step 311：Client analyzes the failure of fault car controller according to the vehicle running log on client terminal
Reason performs step 306.
Step 312：The vehicle running log is written to storage card in the car-mounted terminal, performs step 313.
Step 313：Whether detection is normal with the communication of the telematics platform in real time for car-mounted terminal；If so,
Perform step 314；Otherwise, step 312 is performed.
Step 314：The car-mounted terminal reads the vehicle running log from the storage card, performs step 309.
Step 315：Car-mounted terminal detects whether to receive the second opinion instruction that telematics platform issues；If
It is to perform step 316；Otherwise, step 320 is performed.
Step 316：Car-mounted terminal obtains diagnostic data by diagnosing CAN bus to all vehicle control devices of vehicle.
Step 317：The diagnostic data is sent to the telematics platform by the car-mounted terminal.
Step 318：The diagnostic data is handed down to the client terminal by the telematics platform.
Step 319：Client diagnoses each vehicle control device failure according to the diagnostic data on the client terminal, holds
Row step 306.
Step 320：Car-mounted terminal detects whether to receive the first diagnostic instruction that long-distance intelligent service platform issues；If
It is to perform step 321, otherwise, returns and perform step 301.
Step 321：Car-mounted terminal is to the telematics platform reporting terminal running log.
Step 322：The terminal operating daily record is handed down to client terminal by the telematics platform.
Step 323：Client diagnoses the car-mounted terminal failure according to the terminal operating daily record on the client terminal,
Perform step 306.
Remote fault diagnosis method provided in an embodiment of the present invention, car-mounted terminal is according to the third of telematics platform
Diagnostic instruction obtains vehicle running log, and the vehicle is run by diagnosing CAN bus to all vehicle control devices of vehicle
Daily record is sent to client terminal, so that client analyzes fault car controller according to the vehicle running log on client terminal
Failure cause.Further, car-mounted terminal by diagnose CAN bus to all vehicle control devices of vehicle obtain diagnostic data or
Before vehicle running log, detect the state of vehicle, if vehicle is in flameout state, by telematics platform to
Client terminal transmission powers on prompt message, so that client terminal prompting powers on vehicle.Further, it is described vehicle-mounted
Terminal detects in real time before the diagnostic data or the vehicle running log are handed down to the telematics platform
Whether normal with the communication of the telematics platform, if abnormal, institute is written to storage card in the car-mounted terminal
State diagnostic data or the vehicle running log, until with the telematics Platform communication it is normal after, the vehicle-mounted end
The diagnostic data or the vehicle running log are read, and the diagnostic data or the vehicle are transported from the storage card in end
Row daily record is sent to the telematics platform.By the present invention, vehicle vehicle control device and car-mounted terminal are improved
The efficiency of fault diagnosis, and save the cost of vehicle control device, car-mounted terminal failure reason analysis.
Further, in another embodiment of remote fault diagnosis method of the present invention, the car-mounted terminal is by diagnosing CAN
Before bus obtains diagnostic data or vehicle running log to all vehicle control devices of vehicle, car-mounted terminal detects the shape of vehicle
State if detecting that vehicle is in flameout state, controls car body controller remotely to be powered on, so that vehicle by CAN bus
It powers on；After the power is turned on, car-mounted terminal obtains diagnostic data or vehicle to vehicle by diagnosing CAN bus to all vehicle control devices of vehicle
Running log.
Further, in another embodiment of remote fault diagnosis method of the present invention, car-mounted terminal is by diagnosing CAN bus
Before obtaining diagnostic data to all vehicle control devices of vehicle, the state of vehicle is detected；If vehicle is in the shape that powers on or light a fire
State then obtains diagnostic data or vehicle running log by diagnosing CAN bus to all vehicle control devices of vehicle；If at vehicle
In flameout state, then car-mounted terminal powers on prompt message to telematics platform transmission；The telematics
The prompt message that powers on is handed down to the client terminal by platform；The client terminal prompting powers on vehicle.It needs
Illustrate, client terminal can be provided with display, and client terminal powers on vehicle by display prompts client.
Further, in another embodiment of remote fault diagnosis method of the present invention, car-mounted terminal is will be under diagnostic data
Before issuing the telematics platform, whether detection is normal with the communication of the telematics platform in real time；Such as
Fruit is abnormal, then the diagnostic data is written to storage card in the car-mounted terminal, leads to until with the telematics platform
After letter is normal, the car-mounted terminal reads the diagnostic data from the storage card, and the diagnostic data is sent to described
Telematics platform.
In conclusion remote diagnosis method provided in an embodiment of the present invention, client terminal passes through telematics platform
The first diagnostic instruction or second opinion instruction or third diagnostic instruction are issued to car-mounted terminal, the car-mounted terminal is receiving
After stating the first diagnostic instruction, to the telematics platform reporting terminal running log, in order to which client is according to the visitor
The terminal operating daily record in the terminal of family diagnoses the car-mounted terminal failure；The car-mounted terminal is examined receiving described second
After severed finger enables, diagnostic datas are obtained to all vehicle control devices of vehicle, and by diagnosing CAN bus to the telematics
Platform reports the diagnostic data, in order to which client terminal diagnoses each vehicle control device failure according to the diagnosis；The vehicle
Mounted terminal obtains vehicle after the third diagnostic instruction is received, by diagnosing CAN bus to each vehicle control device of vehicle
Running log, and the vehicle running log is reported to the telematics platform, in order to which client is according to client terminal
On the vehicle running log analysis fault car controller failure cause.Vehicle software failure is improved by the present invention
The efficiency of diagnosis, and save the cost of accident analysis.
For above-mentioned remote fault diagnosis method, the present invention also provides a kind of remote failure diagnosis system, the system
Including：Client terminal, car-mounted terminal and pass through the remote of wireless communication with the car-mounted terminal, the client terminal respectively
Journey information service platform；The client terminal sends the first diagnosis by the telematics platform to the car-mounted terminal
Instruction after the car-mounted terminal receives first diagnostic instruction, is run to the telematics platform reporting terminal
Daily record, so that the terminal operating daily record is handed down to the client terminal by the telematics platform, it is described so as to make
Client diagnoses the car-mounted terminal failure according to the terminal operating daily record on the client terminal.
It should be noted that in the embodiment of the present invention, client terminal can be the mobile terminal controlled by client, PC machine
Deng and client terminal is installed above an application program, and user logs in application journey on client terminal by inputting account number cipher
Sequence, and logged in after passing through telematics platform authentication.Telematics platform after the client terminal logins successfully,
Before telematics platform communicates with car-mounted terminal, whether car-mounted terminal is first determined whether in wake-up states, if it is not, then
Whether the application program of client terminal is judged on foreground, if it is, telematics platform is provided by telecom operators
Dialing interface, by specified phone number dial to car-mounted terminal, to wake up car-mounted terminal.
It should be noted that the first diagnostic instruction, which can be client terminal, is sent to telematics platform, for obtaining
The instruction of the running log (terminal operating daily record) of pick-up mounted terminal.
Further, an alternative embodiment of the invention, the system can also include：Pass through diagnosis with the car-mounted terminal
One or more vehicle control devices of CAN bus connection, specifically, the car-mounted terminal is by diagnosing CAN bus from all vehicles
Controller obtains vehicle diagnostic data or vehicle running log；The client terminal by the telematics platform to
The car-mounted terminal sends second opinion instruction, after the car-mounted terminal receives the second opinion instruction, by diagnosing CAN
Bus obtains diagnostic data to all vehicle control devices, and the diagnostic data is sent to the telematics platform,
So that the diagnostic data is handed down to the client terminal by the telematics platform, so as to make the client according to institute
The diagnostic data stated on client terminal diagnoses each vehicle control device failure.
The client terminal sends third diagnostic instruction, institute by the telematics platform to the car-mounted terminal
It states after car-mounted terminal receives the third diagnostic instruction, obtaining vehicle to each vehicle control device by diagnosing CAN bus transports
Row daily record, and the vehicle running log is sent to the telematics platform, so that the telematics are put down
The vehicle running log is handed down to the client terminal by platform, so as to make the client according to the vehicle on client terminal
Running log analyzes the failure cause of fault car controller.
It should be noted that car-mounted terminal obtains diagnostic data by diagnosing CAN bus to all vehicle control devices of vehicle
Before, whether in a dormant state vehicle network (including diagnosis CAN bus and CAN bus) is first determined whether, if it is, vehicle-mounted
Terminal wakes up vehicle network by network management, the first setting time (for example, the first setting time is 1s) is waited for judge afterwards whole
Vehicle network state if diagnosis CAN bus network is not waken up, is continued waiting for until the second setting time is (for example, during the second setting
Between be 3s) time-out, time-out after if diagnosis CAN bus network do not wake up yet, the collected information content be invalid value, it is vehicle-mounted
Collected invalid value is reported to telematics platform by terminal.
Specifically, second opinion instruction can be that client terminal is sent to telematics platform, whole for obtaining
The instruction of all vehicle control device diagnostic datas of vehicle.
Specifically, third diagnostic instruction can be that client terminal is sent to telematics platform, whole for obtaining
The instruction of all vehicle control devices of vehicle (can include car-mounted terminal can not also include car-mounted terminal) running log.
Further, in an alternative embodiment of the invention, the system can also include：It is connect with the client terminal
Display；The car-mounted terminal obtains diagnostic data or vehicle running log by diagnosing CAN bus to all vehicle control devices
Before, the state of vehicle is detected；When car-mounted terminal detects that vehicle is in flameout state, sent out to the telematics platform
Electric prompt message is served, so that the prompt message that powers on is sent to the client terminal by the telematics platform,
So as to which the client terminal be made to be powered on by the display prompts to vehicle.
Further, in an alternative embodiment of the invention, the system can also include：Pass through with the car-mounted terminal
The car body controller of CAN bus connection, it is described to obtain diagnostic data or vehicle to all vehicle control devices by diagnosing CAN bus
Before running log, the state of vehicle is detected；When car-mounted terminal detects that vehicle is in flameout state, to the car body controller
Transmission remotely powers on instruction, so that the car body controller powers on vehicle.
Further, in an alternative embodiment of the invention, the system can also include：It is electrically connected with the car-mounted terminal
Storage card；The diagnostic data or the vehicle running log are being handed down to the telematics by the car-mounted terminal
Before platform, whether detection is normal with the communication of the telematics platform in real time；If abnormal, the vehicle-mounted end
It holds to the storage card and the diagnostic data or the vehicle running log is written, lead to until with the telematics platform
After letter is normal, the car-mounted terminal reads the diagnostic data or the vehicle running log from the storage card, and by described in
Diagnostic data or the vehicle running log are sent to the telematics platform.
In conclusion remote failure diagnosis system provided in an embodiment of the present invention, client terminal passes through the remote information
Service platform sends the first diagnostic instruction to the car-mounted terminal, after the car-mounted terminal receives first diagnostic instruction,
To the telematics platform reporting terminal running log, so that the telematics platform is by the terminal operating
Daily record is handed down to the client terminal, so as to which the client be made to be diagnosed according to the terminal operating daily record on the client terminal
The car-mounted terminal failure；Client terminal sends second opinion to the car-mounted terminal by the telematics platform and refers to
Order or third diagnostic instruction after the car-mounted terminal receives the second opinion instruction or the third diagnostic instruction, pass through
It diagnoses CAN bus and obtains diagnostic data or vehicle running log to all vehicle control devices, and by the diagnostic data or described
Vehicle running log is sent to the telematics platform, so that the telematics platform is by the diagnostic data
Or the vehicle running log is handed down to the client terminal, so as to which the client terminal be made to diagnose each vehicle control device event
The failure cause of barrier or analysis fault car controller.By the invention it is possible to remotely directly acquire the operation of car-mounted terminal
Daily record, car-mounted terminal problem is analyzed according to the daily record of car-mounted terminal internal operation, then can have been optimized software and remotely risen
Grade, operates without personnel on site, reduces human cost, and improve the software fault diagnosis of car-mounted terminal or entire car controller
Efficiency.
The embodiment of the present invention is described in detail above, specific embodiment used herein carries out the present invention
It illustrates, the explanation of above example is only intended to help to understand the system and method for the present invention；Meanwhile for the one of this field
As technical staff, thought according to the present invention, there will be changes in specific embodiments and applications, to sum up institute
It states, the content of the present specification should not be construed as limiting the invention.
Claims (10)
1. a kind of remote fault diagnosis method, which is characterized in that the method includes：
Car-mounted terminal detects whether to receive the first diagnostic instruction that telematics platform issues；
If so, to the telematics platform reporting terminal running log；
The terminal operating daily record is handed down to client terminal by the telematics platform, so that client is according to the client
The terminal operating daily record in terminal diagnoses the car-mounted terminal failure.
2. remote fault diagnosis method according to claim 1, which is characterized in that the method further includes：
Before car-mounted terminal detects whether to receive the first diagnostic instruction that telematics platform issues, detect whether to receive institute
State the second opinion instruction that telematics platform issues；
If so, diagnostic data is obtained, and the diagnostic data is sent out to all vehicle control devices of vehicle by diagnosing CAN bus
Give the telematics platform；
The diagnostic data is handed down to the client terminal by the telematics platform, so that the client is according to described
The diagnostic data on client terminal diagnoses each vehicle control device failure.
3. remote fault diagnosis method according to claim 2, which is characterized in that the method further includes：
Before car-mounted terminal detects whether to receive the second opinion instruction that telematics platform issues, detect whether to receive institute
State the third diagnostic instruction that telematics platform issues；
If so, vehicle running log is obtained, and the vehicle is transported to all vehicle control devices of vehicle by diagnosing CAN bus
Row daily record is sent to the telematics platform；
The vehicle running log is handed down to the client terminal by the telematics platform so that the client according to
The failure cause of vehicle running log analysis fault car controller on client terminal.
4. remote fault diagnosis method according to claim 3, which is characterized in that the method further includes：
First diagnostic instruction, second opinion instruction and the third diagnostic instruction are sent out by the client terminal
Give the telematics platform.
5. remote fault diagnosis method according to claim 4, which is characterized in that the method further includes：
The car-mounted terminal obtains diagnostic data or vehicle running log by diagnosing CAN bus to all vehicle control devices of vehicle
Before, the state of vehicle is detected；
If vehicle is in and powers on or fired state, diagnosis is obtained to all vehicle control devices of vehicle by diagnosing CAN bus
Data or vehicle running log；
When detecting that vehicle is in flameout state, then prompt message is powered on to telematics platform transmission；
The prompt message that powers on is handed down to the client terminal by the telematics platform, so that the client terminal
Prompting powers on vehicle.
6. remote fault diagnosis method according to claim 5, which is characterized in that the method further includes：
The diagnostic data or the vehicle running log are being handed down to the telematics platform by the car-mounted terminal
Before, whether detection is normal with the communication of the telematics platform in real time；
If it is not, then the diagnostic data or the vehicle running log is written to storage card in the car-mounted terminal, until with institute
State telematics Platform communication it is normal after, the car-mounted terminal reads the diagnostic data or described whole from the storage card
Vehicle running log, and the diagnostic data or the vehicle running log are sent to the telematics platform.
7. a kind of remote diagnosis system, which is characterized in that the system comprises：Client terminal, car-mounted terminal and respectively with institute
State car-mounted terminal, the telematics platform that the client terminal passes through wireless communication；The client terminal passes through institute
It states telematics platform and sends the first diagnostic instruction to the car-mounted terminal, the car-mounted terminal receives described first and examines
After severed finger enables, to the telematics platform reporting terminal running log, so that the telematics platform is by institute
It states terminal operating daily record and is handed down to the client terminal, so as to make client according to the terminal operating day on the client terminal
Will diagnoses the car-mounted terminal failure.
8. remote diagnosis system according to claim 7, which is characterized in that the system also includes：With the vehicle-mounted end
One or more vehicle control devices that end is connected by diagnosing CAN bus；
The client terminal sends second opinion to the car-mounted terminal by the telematics platform and instructs, the vehicle
After mounted terminal receives the second opinion instruction, diagnostic data is obtained to all vehicle control devices by diagnosing CAN bus, and
The diagnostic data is sent to the telematics platform, so that the telematics platform is by the diagnosis number
According to the client terminal is handed down to, so as to which client be made to diagnose each vehicle control according to the diagnostic data on the client terminal
Device failure processed；
The client terminal sends third diagnostic instruction, the vehicle by the telematics platform to the car-mounted terminal
After mounted terminal receives the third diagnostic instruction, vehicle operation day is obtained to each vehicle control device by diagnosing CAN bus
Will, and the vehicle running log is sent to the telematics platform, so that the telematics platform will
The vehicle running log is handed down to the client terminal, so as to make client according to the vehicle running log on client terminal
Analyze the failure cause of fault car controller.
9. remote diagnosis system according to claim 8, which is characterized in that the system also includes：
The display being connect with the client terminal；
The car-mounted terminal by diagnose CAN bus to all vehicle control devices obtain diagnostic data or vehicle running log it
Before, detect the state of vehicle；
When detecting that vehicle is in flameout state, the car-mounted terminal powers on prompting to telematics platform transmission
Information, so that the prompt message that powers on is sent to the client terminal by the telematics platform, it is described so as to make
Client terminal powers on vehicle by the display prompts.
10. remote diagnosis system according to claim 9, which is characterized in that the system also includes：With the vehicle-mounted end
Hold the storage card of electrical connection；
The diagnostic data or the vehicle running log are being handed down to the telematics platform by the car-mounted terminal
Before, whether detection is normal with the communication of the telematics platform in real time；If abnormal, the car-mounted terminal to
The diagnostic data or the vehicle running log is written in the storage card, until with the telematics Platform communication just
Chang Hou, the car-mounted terminal read the diagnostic data or the vehicle running log from the storage card, and by the diagnosis
Data or the vehicle running log are sent to the telematics platform.
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| CN201810077739.0A CN108170133A (en) | 2018-01-26 | 2018-01-26 | A kind of remote fault diagnosis method and system |
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| CN201810077739.0A Pending CN108170133A (en) | 2018-01-26 | 2018-01-26 | A kind of remote fault diagnosis method and system |
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| CN113625695A (en) * | 2021-08-30 | 2021-11-09 | 重庆长安汽车股份有限公司 | Vehicle real-vehicle control function diagnosis method and system based on android service |
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