CN109240222A - Car fault diagnosis method, system and its intelligent diagnostics server end - Google Patents
Car fault diagnosis method, system and its intelligent diagnostics server end Download PDFInfo
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- CN109240222A CN109240222A CN201810900563.4A CN201810900563A CN109240222A CN 109240222 A CN109240222 A CN 109240222A CN 201810900563 A CN201810900563 A CN 201810900563A CN 109240222 A CN109240222 A CN 109240222A
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a kind of car fault diagnosis methods, including obtain with reference to fault handling method and update expert diagnosis database；Wherein, obtaining with reference to fault handling method includes: to be obtained according to fault message, real-time vehicle information and expert diagnosis database with reference to failure cause and with reference to fault handling method；Fault message, real-time vehicle information are sent, with reference to failure cause and with reference to fault handling method to client；Updating expert diagnosis database includes: that physical fault reason and physical fault processing method are added with reference to failure cause and with reference to fault handling method.The invention also provides a kind of vehicle breakdown diagnostic systems, including vehicle intelligent terminal, intelligent diagnostics server end, client；The invention also provides the intelligent diagnostics server ends for the system.Thus method, system and its intelligent diagnostics server end solve the technical problem that current car fault diagnosis result is not accurate enough, database is incomplete.
Description
Technical field
The invention belongs to car fault diagnosis technical fields, more particularly, to a kind of car fault diagnosis method, system
And its intelligent diagnostics server end.
Background technique
Nowadays flourishing with the development of auto electronic control technology, especially new-energy automobile, causes to track
More and more deficienter with the maintenance technician of grasp automotive field the relevant technologies and expert, related personnel can not timely be trained
And technical support, the profession of maintenance technician is required to not be able to satisfy each network of maintenance and repair.Many traditional car fault diagnosis
Method and diagnostic device, either in the reliability of diagnosis, or all hardly possiblies in terms of the sharing of the convenience and data that use
To adapt to the development of Hyundai Motor technology.Therefore, it is current for how fast and accurately diagnosing the failure of Car Electronic Control system
The a great problem that vehicle maintenance industry is faced.
Now in the art, for most of vehicle failure, user can readily be obtained by instrumental observation.But
The reason of failure occurs in practice, the consequence and failure that may cause voluntarily check method, and user is to be difficult voluntarily to sentence
It is disconnected and rapidly removing faults.And for existing expert system, depend on sensing data and user's evaluation data.Sensor
Value volume and range of product have a different configuration parameters for different vehicles, and the evaluation data of user also only according to threshold value come to
It refers to out, fault code cannot be analyzed in conjunction with the actual operating data of vehicle condition, and the result after accident analysis does not have yet
Database is uploaded, the operation data of vehicle cannot be stored.Such expert system is not able to satisfy the use of complicated vehicle condition, to reality
Practical significance it is little.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of car fault diagnosis method, be
System and its intelligent diagnostics server end, its object is to can be according to fault message, real-time vehicle information and expert diagnosis number
It obtains according to library with reference to failure cause and refers to fault handling method, and expert diagnosis database can be updated, thus solve mesh
The technical problem that vehicle in front fault diagnosis result is not accurate enough, database is incomplete.
To achieve the above object, according to one aspect of the present invention, a kind of car fault diagnosis method is provided, including is obtained
It takes with reference to fault handling method and updates expert diagnosis database；
Wherein, described obtain with reference to fault handling method includes:
Fault message and real-time vehicle information are obtained, is examined according to the fault message, real-time vehicle information and expert
Disconnected database obtains with reference to failure cause and refers to fault handling method；Fault message, real-time vehicle letter are sent to client
It ceases, with reference to failure cause and with reference to fault handling method；
The update expert diagnosis database includes:
Physical fault reason and physical fault processing method are obtained, is judged described with reference to failure cause and with reference to failure
Whether processing method includes physical fault reason and physical fault processing method, otherwise by the physical fault reason and reality
Border fault handling method is added described with reference to failure cause and with reference to fault handling method.
Preferably, the fault message includes error code and freeze frame.
Preferably, the real-time vehicle information includes operation data information and traffic flow information；
The operation data information includes in vehicle location, vehicle distance travelled, state-of-charge or Vehicular charging information
It is one or more；
The traffic flow information includes vehicle model, motor status, motor speed, Motor torque, speed signal, motor electricity
Pressure, current of electric, motor temperature, battery management system state, electronic control unit state, accelerator pedal position or brake pedal
One of position is a variety of.
It is another aspect of this invention to provide that additionally providing a kind of vehicle breakdown diagnostic system, including vehicle intelligent terminal, intelligence
Energy diagnosis server end, client, the vehicle intelligent terminal is for obtaining fault message and real-time vehicle information；
The intelligent diagnostics server end includes at the first communication module, the second communication module, memory module and data
Manage module；The output end of first communication module connects the input terminal of the data processing module, second communication module
Interaction end connect the first interaction end of the data processing module, the first interaction end of the memory module connects the data
Second interaction end of processing module；
First communication module is interacted with the vehicle intelligent terminal, for obtaining fault message and real-time vehicle letter
Breath；
Second communication module is interacted with the client, for sending fault message, real-time vehicle to the client
Information with reference to failure cause and refers to fault handling method, be also used to obtain from the client physical fault reason with
And physical fault processing method；
The memory module is for storing the fault message, real-time vehicle information and expert diagnosis database；
The data processing module according to the fault message, real-time vehicle information and expert diagnosis database for obtaining
It takes with reference to failure cause and with reference to fault handling method；It is also used to judge described with reference to failure cause and with reference to troubleshooting
Whether method includes physical fault reason and physical fault processing method, otherwise by the physical fault reason and practical event
Hinder processing method the reference failure cause is added and refers to fault handling method.
Preferably, the fault message includes error code and freeze frame.
Preferably, the real-time vehicle information includes operation data information and traffic flow information；The operation data information
Including the one or more of vehicle location, vehicle distance travelled, state-of-charge or Vehicular charging information；The traffic flow information packet
Include vehicle model, motor status, motor speed, Motor torque, speed signal, electric moter voltage, current of electric, motor temperature, electricity
Pond management system state, electronic control unit state, accelerator pedal position or brake pedal position it is one or more.
Preferably, the client is mobile terminal and/or fixed terminal, is provided with APP on the mobile terminal, for
The driver of vehicle diagnoses vehicle trouble and uses；The fixed terminal is personal computer, is provided with above and car fault diagnosis
The teleprogram of system cooperation, so that automobile business men or vehicle after-sale service personnel use.
As it is further preferred that the client is mobile terminal, the mobile terminal is also whole with the vehicle intelligent
End interaction.
Preferably, the intelligent diagnostics server end further includes display module, and the output end of the data processing module connects
Connect the input terminal of the display module.
Preferably, the intelligent diagnostics server end further includes enquiry module, and the interaction end of the enquiry module connects institute
State the second interaction end of memory module.
Other side according to the invention, the present invention also provides one kind to be used for any one of the above car fault diagnosis system
The intelligent diagnostics server end of system, including the first communication module, the second communication module, memory module and data processing module；
The output end of first communication module connects the input terminal of the data processing module, the interaction end of second communication module
The first interaction end of the data processing module is connected, the first interaction end of the memory module connects the data processing module
The second interaction end；
First communication module is interacted with the vehicle intelligent terminal, for obtaining fault message and real-time vehicle letter
Breath；
Second communication module is interacted with the client, for sending fault message, real-time vehicle to the client
Information with reference to failure cause and refers to fault handling method, be also used to obtain from the client physical fault reason with
And physical fault processing method；
The memory module is for storing the fault message, real-time vehicle information and expert diagnosis database；
The data processing module according to the fault message, real-time vehicle information and expert diagnosis database for obtaining
It takes with reference to failure cause and with reference to fault handling method；It is also used to judge described with reference to failure cause and with reference to troubleshooting
Whether method includes physical fault reason and physical fault processing method, otherwise by the physical fault reason and practical event
Hinder processing method the reference failure cause is added and refers to fault handling method.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
It (1), can be according to fault message, real-time vehicle information since the invention proposes a kind of car fault diagnosis methods
And expert diagnosis database obtain with reference to failure cause and refer to fault handling method, and can by physical fault reason with
And physical fault processing method is added with reference to failure cause and with reference to fault handling method to make expert diagnosis database not
It is disconnected to be updated.This method makes that car fault diagnosis result is more accurate, expert diagnosis database is more perfect.Further, since should
Method further includes being sent to client by fault message, real-time vehicle information, with reference to failure cause and with reference to fault handling method
End, can be convenient and obtain these information in time using the user of client.
(2) the invention proposes a kind of vehicle breakdown diagnostic systems realizes fault message, real-time vehicle by the system
It is information, shared with reference to failure cause and with reference to fault handling method, so that expert diagnosis database is continuously updated, solve
Current car fault diagnosis result is not accurate enough, expert diagnosis database is incomplete technical problem.User is by this
The client of system can upload physical fault reason and physical fault processing method in time, it is possible thereby to provide for more users
Multi-functional vehicle remote failure is assisted and troubleshooting assistance.The intelligent diagnostics server end of the system can also be to automobile event
It is for statistical analysis to hinder information, and then provides reliable car mass report for automobile business men and vehicle after-sale service personnel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of vehicle breakdown diagnostic system of the present invention；
Fig. 2 is vehicle breakdown diagnostic system example structure schematic diagram of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
The invention proposes a kind of car fault diagnosis methods, including obtain with reference to fault handling method and update expert
Diagnostic data base；
Wherein, it obtains with reference to fault handling method and includes:
Fault message and real-time vehicle information are obtained, according to fault message, real-time vehicle information and expert diagnosis number
It obtains according to library with reference to failure cause and refers to fault handling method；Fault message, real-time vehicle information, ginseng are sent to client
Examine failure cause and with reference to fault handling method；
Updating expert diagnosis database includes:
Physical fault reason and physical fault processing method are obtained, is judged with reference to failure cause and with reference to troubleshooting
Whether method includes physical fault reason and physical fault processing method, otherwise will be at physical fault reason and physical fault
Reason method is added with reference to failure cause and refers to fault handling method.
It should be noted that updating in expert diagnosis data base method, the physical fault reason and physical fault of acquisition
Processing method may come from it is any the people of physical fault processing method can be provided, user, automobile business men, vehicle such as vehicle
After-sale service personnel etc., they can refer to failure cause and reference with reference to obtaining with reference to provided by fault handling method
Fault handling method or experience learn physical fault processing method.Client is the diagnostic equipment used for the driver of vehicle
APP and/or personal computer to be used for automobile business men or vehicle after-sale service personnel.
The car fault diagnosis method proposed according to the present invention, can according to fault message, real-time vehicle information and specially
Family's diagnostic data base obtains with reference to failure cause and refers to fault handling method, and can be by physical fault reason and reality
Fault handling method is added with reference to failure cause and with reference to fault handling method to make expert diagnosis database constantly by more
Newly, make that car fault diagnosis result is more accurate, expert diagnosis database is more perfect.Further, since this method further include by
Fault message, real-time vehicle information are sent to client with reference to failure cause and with reference to fault handling method, and can be convenient makes
These information are seen in time with the user of client, and user can also be allowed to see updated expert diagnosis database in time.
Wherein, above-mentioned fault message includes error code and freeze frame；Error code is the corresponding digital code of failure；Freeze frame
It is international call, when an error occurs, saves instantaneous vehicle communication message data.
Real-time vehicle information includes operation data information and traffic flow information；Operation data information includes vehicle location, vehicle
One of distance travelled, state-of-charge or Vehicular charging information are a variety of；Traffic flow information includes vehicle model, motor shape
State, motor speed, Motor torque, speed signal, electric moter voltage, current of electric, motor temperature, battery management system state, electricity
One of sub-control unit state, accelerator pedal position or brake pedal position are a variety of.
As shown in Figure 1, the invention also provides a kind of vehicle breakdown diagnostic system, including vehicle intelligent terminal, intelligence are examined
Disconnected server end, client, the vehicle intelligent terminal is for obtaining fault message and real-time vehicle information；
Intelligent diagnostics server end includes the first communication module, the second communication module, memory module and data processing mould
Block；The input terminal of the output end connection data processing module of first communication module, the interaction end of the second communication module connect data
First interaction end of processing module, the second interaction end of the first interaction end connection data processing module of memory module.
First communication module is interacted with vehicle intelligent terminal, for obtaining fault message and real-time vehicle information；
Second communication module is interacted with client, for sending fault message, real-time vehicle information, with reference to event to client
Hinder reason and refer to fault handling method, is also used to obtain physical fault reason and physical fault processing side from client
Method；
Memory module is for storing fault message, real-time vehicle information and expert diagnosis database；
Data processing module is used to be obtained according to fault message, real-time vehicle information and expert diagnosis database with reference to event
Hinder reason and refers to fault handling method；Be also used to judge with reference to failure cause and with reference to fault handling method whether include
Otherwise ginseng is added in physical fault reason and physical fault processing method by physical fault reason and physical fault processing method
Examine failure cause and with reference to fault handling method.
Wherein, the data of vehicle intelligent terminal are that timing is uploaded to intelligent diagnostics server end.
Wherein, fault message includes error code and freeze frame, and fault type usually uses the corresponding digital code of failure i.e. event
Hindering code indicates, freeze frame refers to vehicle communication message data instantaneous when an error occurs.
Wherein, real-time vehicle information includes operation data information and traffic flow information；Operation data information includes vehicle position
Set, vehicle distance travelled, state-of-charge or Vehicular charging information it is one or more；Traffic flow information includes vehicle model, electricity
Machine state, motor speed, Motor torque, speed signal, electric moter voltage, current of electric, motor temperature, battery management system shape
State, electronic control unit state, accelerator pedal position or brake pedal position obtain one or more.
By the vehicle breakdown diagnostic system, fault message, real-time vehicle information are realized, with reference to failure cause and ginseng
It is shared to examine fault handling method, so that expert diagnosis database is continuously updated, solves current car fault diagnosis result not
Enough technical problems accurate, expert diagnosis database is incomplete.
User can upload physical fault reason and physical fault processing method by the client of the system in time, thus
Multi-functional vehicle remote failure assistance and troubleshooting assistance are provided for more users.The intelligent diagnostics server of the system
End can also be for statistical analysis to automobile fault information, and then provides reliably for automobile business men and vehicle after-sale service personnel
Car mass report.
Wherein, client is mobile terminal or fixed terminal, diagnostic equipment APP is provided on mobile terminal, for vehicle
Driver diagnoses vehicle trouble and uses；Fixed terminal is personal computer, is provided with above and vehicle breakdown diagnostic system cooperation
Teleprogram, so that automobile business men or vehicle after-sale service personnel use.When client be mobile terminal when, mobile terminal also with
Vehicle intelligent terminal interaction.The mobile terminal can receive vehicle intelligent terminal at any time and obtain letter with intelligent diagnostics server end
Breath, such as fault message, real-time vehicle information, with reference to failure cause, with reference to fault handling method；Mobile terminal can also pass through indigo plant
Tooth is connect with automobile CAN-bus interface, and then connects vehicle intelligent terminal, is referred to so as to upload vehicle trouble messages with transmission
Enable (such as vehicle trouble help information) to vehicle intelligent terminal and intelligent diagnostics server end.
Labview Programming with Pascal Language can be used in fixed terminal, for accessing intelligent diagnostics server end at any time and obtaining its number
According to being provided with display interface on fixed terminal, the remote data of acquisition shares real-time display on personal computer interface.It is fixed
Terminal can be stored after the vehicle data for obtaining intelligent diagnostics server end, can also obtain intelligent diagnostics server
The car mass report that end analysis obtains.
Intelligent diagnostics server end further includes display module, the input of the output end connection display module of data processing module
End；Intelligent diagnostics server end obtain data and analysis processing data result can real-time display on the display module.
Intelligent diagnostics server end further includes enquiry module, the second interaction of the interaction end connection memory module of enquiry module
End；The enquiry module is inquired from after primary input information of vehicles or fault message for user with reference to failure cause or with reference at failure
Reason method.
Wherein, above-mentioned vehicle intelligent terminal further includes user right for controlling vehicle intelligent terminal and real-time encrypted
The security module that deagnostic communication process ensures information security.
Wherein, above-mentioned intelligent diagnostics server end also has with lower module:
Authority management module is used for Admin Administration and user management；
Basic Information Management module, for managing outlet information, vehicle model information, VCU (control unit for vehicle) with confidence
Breath；
Security module, for realizing vehicle warning, cloud alarm etc.；Cloud alarm is to collect the letter of specific failure
Breath, analyzes rate of breakdown, and statistics feeds back to producer.
Fault management module is asked for realizing information encryption, information decryption, information downloading, user's diagnostic function use
Ask, diagnostic equipment interface management；The module can also monitor vehicle trouble states in real time simultaneously, and cooperation security module is realized online
Warning function can also realize that (because in the case that failure has solved, error code remains unchanged the former vehicle error code function of long-range removing
It is shown on instrument board, just needs to remove error code in time at this time.If failure is unresolved, error code is still in store, will not
It is removed)；
Statement management module, for managing abnormal report, fault message report, monthly report and data exporting；
And GPS module/control continuation of the journey module etc..
Above-mentioned module is electrically connected with data processing module.
In conjunction with above-mentioned module, intelligent diagnostics server end cooperation vehicle intelligent terminal be may be implemented: carry out to vehicle long-range
Upgrading and control；Long-range monitoring information of vehicles, including electric current, voltage, temperature, failure etc.；Control vehicle breakdown diagnostic system fortune
Row, such as obtain vehicle operation data, obtain error code data, analyze and provide failure cause, provide troubleshooting suggestion and
Previous case uploads troubleshooting process etc..
This patent also provides a kind of intelligent diagnostics server end for above-mentioned vehicle breakdown diagnostic system.
Fig. 2 is a certain specific embodiment of vehicle breakdown diagnostic system of the invention, which includes vehicle intelligent end
End, intelligent diagnostics server end, mobile terminal, fixed terminal, automobile CAN-bus interface, CAN and bluetooth conversion module.
Wherein, vehicle intelligent terminal is connect with automobile CAN-bus interface；CAN and bluetooth conversion module have OBD mouthfuls, with
Automobile CAN-bus interface is connected with OBD interface；It is to use bluetooth wireless connection between mobile terminal and CAN and bluetooth conversion module.
Vehicle intelligent terminal uploads data to intelligent diagnostics server end by network (2G/3G/4G), while intelligent diagnostics server end
Data vehicle intelligent terminal can also be sent to by network.
CAN and bluetooth conversion module support standard for realizing the mutual conversion of CAN communication agreement and bluetooth communication agreement
Frame and extension two kinds of data formats of frame, compatible bluetooth 2.1+EDR (bluetooth enhancing rate) specification support blue tooth serial agreement, CAN
Interface is standard DB9 interface, and CAN communication baud rate is set as 15k~1M.
Mobile terminal can support Android operation system, be communicated by bluetooth serial ports mode and diagnostic equipment, and display is acquired
Parameter.The main effect of mobile terminal is that user is facilitated to carry out fault diagnosis, such as read failure, clear failure, reading data flow
Deng uploading fault message, the information, travelling data and the car locking that ask for help online, check the vehicle window etc. that cut-offs operate.If
When uploading fault message failure, fault message is cached, can be uploaded automatically again after recovery to be communicated.
Fixed terminal may have access to intelligent diagnostics server end at any time and obtain its data, the remote data that fixed terminal obtains
Shared real-time display is on personal computer interface.Fixed terminal after the vehicle data for obtaining intelligent diagnostics server end,
It can be stored, the car mass report that the analysis of intelligent diagnostics server end obtains can also be obtained.
The course of work:
Then vehicle intelligent terminal passes through 4G/ by automobile CAN-bus read failure information and real-time vehicle information
The wireless network cards such as 3G/2G send the data to intelligent diagnostics server end, can between send primary, intelligent diagnostics server every few seconds
End parses the real-time vehicle information data got, and storage (is convenient for subsequent big data analysis)；Meanwhile intelligent diagnostics take
Business device end obtains with reference to failure cause according to fault message, real-time vehicle information and expert diagnosis database and refers to failure
Processing method.
Wherein, intelligent diagnostics server end is the data parsed according to requiring display circle for being shown in personal computer
On face, the user of personal computer is facilitated to understand the result of real-time vehicle information, fault message and server end parsing；Together
When, user can also be operated by personal computer, sent dependent instruction and given intelligent diagnostics server end.
Likewise, then vehicle intelligent terminal is led to by automobile CAN-bus read failure information and real-time vehicle information
It crosses CAN and bluetooth conversion module transfers data to mobile terminal (diagnostic equipment APP), the use of mobile terminal (diagnostic equipment APP)
Person driver carry out fault diagnosis operation, upload fault message, the information for asking for help online, checking vehicle, travelling data or
Carry out car locking cut-off window etc. operation.
As it will be easily appreciated by one skilled in the art that the above is merely preferred embodiments of the present invention, not to limit
The present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of car fault diagnosis method, which is characterized in that examined including obtaining with reference to fault handling method and update expert
Disconnected database；
Wherein, described obtain with reference to fault handling method includes:
Fault message and real-time vehicle information are obtained, according to the fault message, real-time vehicle information and expert diagnosis number
It obtains according to library with reference to failure cause and refers to fault handling method；Fault message, real-time vehicle information, ginseng are sent to client
Examine failure cause and with reference to fault handling method；
The update expert diagnosis database includes:
Physical fault reason and physical fault processing method are obtained, is judged described with reference to failure cause and with reference to troubleshooting
Whether method includes physical fault reason and physical fault processing method, otherwise by the physical fault reason and practical event
Hinder processing method the reference failure cause is added and refers to fault handling method.
2. car fault diagnosis method as described in claim 1, which is characterized in that the fault message includes error code and jelly
Tie frame.
3. car fault diagnosis method as claimed in claim 1 or 2, which is characterized in that the real-time vehicle information includes fortune
Row data information and traffic flow information；
The operation data information includes one of vehicle location, vehicle distance travelled, state-of-charge or Vehicular charging information
Or it is a variety of；
The traffic flow information include vehicle model, motor status, motor speed, Motor torque, speed signal, electric moter voltage,
Current of electric, motor temperature, battery management system state, electronic control unit state, accelerator pedal position or brake pedal position
It one of sets or a variety of.
4. a kind of vehicle breakdown diagnostic system, which is characterized in that including vehicle intelligent terminal, intelligent diagnostics server end, client
End, the vehicle intelligent terminal is for obtaining fault message and real-time vehicle information；
The intelligent diagnostics server end includes the first communication module, the second communication module, memory module and data processing mould
Block；The output end of first communication module connects the input terminal of the data processing module, the friendship of second communication module
Mutually end connects the first interaction end of the data processing module, and the first interaction end of the memory module connects the data processing
Second interaction end of module；
First communication module is interacted with the vehicle intelligent terminal, for obtaining fault message and real-time vehicle information；
Second communication module is interacted with the client, for sending fault message, real-time vehicle letter to the client
It ceases, with reference to failure cause and with reference to fault handling method, is also used to obtain physical fault reason and reality from the client
Border fault handling method；
The memory module is for storing the fault message, real-time vehicle information and expert diagnosis database；
The data processing module, which is used to be obtained according to the fault message, real-time vehicle information and expert diagnosis database, joins
Examine failure cause and with reference to fault handling method；It is also used to judge described with reference to failure cause and with reference to fault handling method
It, otherwise will be at the physical fault reason and physical fault whether including physical fault reason and physical fault processing method
Reason method is added described with reference to failure cause and with reference to fault handling method.
5. vehicle breakdown diagnostic system as claimed in claim 4, which is characterized in that the fault message includes error code and jelly
Tie frame.
6. vehicle breakdown diagnostic system as claimed in claim 4, which is characterized in that the real-time vehicle information includes operation number
It is believed that breath and traffic flow information；The operation data information includes that vehicle location, vehicle distance travelled, state-of-charge or vehicle fill
Power information it is one or more；The traffic flow information includes vehicle model, motor status, motor speed, Motor torque, speed
Signal, electric moter voltage, current of electric, motor temperature, battery management system state, electronic control unit state, accelerator pedal position
Set or brake pedal position it is one or more.
7. vehicle breakdown diagnostic system as claimed in claim 4, which is characterized in that the client be mobile terminal and/or
Fixed terminal.
8. vehicle breakdown diagnostic system as claimed in claim 4, which is characterized in that the intelligent diagnostics server end further includes
Display module, the output end of the data processing module connect the input terminal of the display module.
9. vehicle breakdown diagnostic system as claimed in claim 4, which is characterized in that the intelligent diagnostics server end further includes
Enquiry module, the interaction end of the enquiry module connect the second interaction end of the memory module.
10. a kind of intelligent diagnostics server for the vehicle breakdown diagnostic system as described in any one of claim 4-9
End, including the first communication module, the second communication module, memory module and data processing module；First communication module
Output end connects the input terminal of the data processing module, and the interaction end of second communication module connects the data processing mould
First interaction end of the first interaction end of block, the memory module connects the second interaction end of the data processing module；
First communication module is interacted with the vehicle intelligent terminal, for obtaining fault message and real-time vehicle information；
Second communication module is interacted with the client, for sending fault message, real-time vehicle letter to the client
It ceases, with reference to failure cause and with reference to fault handling method, is also used to obtain physical fault reason and reality from the client
Border fault handling method；
The memory module is for storing the fault message, real-time vehicle information and expert diagnosis database；
The data processing module, which is used to be obtained according to the fault message, real-time vehicle information and expert diagnosis database, joins
Examine failure cause and with reference to fault handling method；It is also used to judge described with reference to failure cause and with reference to fault handling method
It, otherwise will be at the physical fault reason and physical fault whether including physical fault reason and physical fault processing method
Reason method is added described with reference to failure cause and with reference to fault handling method.
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| CN110333713A (en) * | 2019-08-06 | 2019-10-15 | 深圳市瀚智科技有限公司 | Car fault diagnosis method and system |
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| CN113655770A (en) * | 2021-07-02 | 2021-11-16 | 上海乐意修科技有限公司 | Automobile fault diagnosis teaching system and method |
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| CN113738526A (en) * | 2021-09-18 | 2021-12-03 | 北京信息科技大学 | Fault diagnosis system for abnormal oil injection of small aviation piston engine |
| CN114185326A (en) * | 2021-11-26 | 2022-03-15 | 东风悦享科技有限公司 | Vehicle remote diagnosis method, system and storage device |
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