CN102981496B - Remote control and data storage method based on vehicle professional diagnosis - Google Patents

Remote control and data storage method based on vehicle professional diagnosis Download PDF

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CN102981496B
CN102981496B CN201210457478.8A CN201210457478A CN102981496B CN 102981496 B CN102981496 B CN 102981496B CN 201210457478 A CN201210457478 A CN 201210457478A CN 102981496 B CN102981496 B CN 102981496B
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vehicle
data stream
electric
control system
diagnostic
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CN102981496A (en
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刘均
闫朝国
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Shenzhen Launch Technology Co Ltd
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Shenzhen Launch Technology Co Ltd
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Abstract

The invention provides a remote control and data storage method based on a vehicle professional diagnosis. The remote control and data storage method comprises the first step of providing a diagnostic connector, the second step of connecting the diagnostic connector with a vehicle, and using the diagnostic connector to scan all vehicle electronic control systems to form an electric control system scan database, the third step of using the diagnostic connector to scan all the electronic control systems according to the electronic control system scan database to form a vehicle exclusive database, the fourth step of providing a remote server, building communication connection between the remote server and the diagnostic connector, and jumping to the seventh step if building is failed, the fifth step of using the diagnostic connector to obtain real-time diagnostic data flow according to a vehicle exclusive main database and send the real-time diagnostic data flow to the remote server, the sixth step of using the diagnostic connector to obtain fault code data according to the vehicle exclusive main database and send the fault code data to the remote server, and the seventh step of using the diagnostic connector to obtain the diagnostic data flow and the fault code data according to circulation of the vehicle exclusive main database and vehicle communication, store the diagnostic data flow and the fault code data, and supplement the diagnostic data flow and the fault code data to the remote server in subsequence.

Description

Based on remote monitoring and the date storage method of vehicle professional diagnosis
Technical field
The present invention relates to vehicle diagnosis field, particularly relate to one, by vehicle separate diagnostic protocol realization, data and failure monitoring are carried out to the many electric-control systems of vehicle interior, and carry out the method for formatted data output and format storage by network data interface.
Background technology
Along with the high speed development of automobile industry, constantly popularizing of home-use car, the huge market potential of living after vehicle has caused the extensive concern of each side.Through market development for many years with universal, vehicle breakdown diagnostic system obtains effective development.
So-called vehicle breakdown diagnostic system refers to the detecting system being mainly used to diagnose vehicle, monitor, and the parameter of main detecting comprises: fuel control parameter, signal light control parameter, Car's door controlling parameter, airconditioning control parameter, tire pressure parameter, ABS parameter and radio broadcasting, GPS parameter etc.But due to traditional market factor, there is above multisystem multi-functional professional diagnosis equipment there is stupid large stupid thick, expensive feature, customer group is conventional truck maintenance factory, and based on international standard vehicle two generation communication interface OBDII/EOBD diagnostic device due to its function simple, equipment interoperability well progressively enters personal user market.Along with the development of science and technology, vehicle electrically controlling system kind also gets more and more, but the data monitoring of the relevant power system based on discharge only supported by the diagnostic device based on OBDII/EOBD interface, can not support the digital independent of the many electric-control systems of multi-vehicle-type, and defect such in follow-up development is more and more obvious.
In addition, the test specification of current hand-held diagnostic device is limited, cannot meet increasing remote diagnosis demand, but based on the remote diagnosis of OBDII/EOBD interface, cannot meet again the professional monitor data demand of client.
Summary of the invention
The object of the present invention is to provide a kind of remote monitoring based on vehicle professional diagnosis and date storage method, support the digital independent of the many electric-control systems of multi-vehicle-type, diagnosable electric-control system more more than OBD, the data stream more much more than OBD system and fault code indications can be provided, client is facilitated to carry out more deep real-time monitoring to vehicle, adopt radio communication be connected in real time with far-end server, even and if wireless network interruption, also can not lose diagnostic data stream.
For achieving the above object, a kind of remote monitoring based on vehicle professional diagnosis of the present invention and date storage method, comprise the following steps:
Step 1, provide a diagnosis joint, this diagnosis joint comprises: diagnose interface module, the first microprocessor module is electrically connected with diagnose interface module, and the first memory module of being electrically connected of first microprocessor module and the communication interface modules that is electrically connected with first microprocessor module, described first memory module stores the total storehouse of normal data stream, the total storehouse of standard fault codes read method and deagnostic communication program, and the described total storehouse of normal data stream comprises: diagnosing protocol and data stream item;
Step 2, this diagnosis joint to be connected with vehicle, described first microprocessor module calls the deagnostic communication program in the first memory module, the whole electric-control system of scanning vehicle, the electric-control system that record is supported, form an electric-control system scan database, and be stored in the first memory module;
Step 3, scan whole electric-control system according to electric-control system scan database, obtain all data streams item, the all data streams item this obtained and the total storehouse of normal data stream contrast, and simultaneous data stream both storing is in the first memory module, form a vehicle appropriate database, this vehicle appropriate database includes: electric-control system list and the list of normal data stream;
Step 4, provide a far-end server, and described diagnosis joint is established a communications link by described communication interface modules and far-end server, if communication connection is set up unsuccessfully, skip to step 7;
Step 5, to arrange according to far-end server, described diagnosis joint is according to the electric-control system list of the exclusive data bank of vehicle and the list of normal data stream, circulation and vehicle communication, obtain the real-time vehicle diagnostic data stream that user needs, and being sent to far-end server by described communication interface modules, described far-end server stores and analyzes this real-time vehicle diagnostic data stream;
Step 6, to arrange according to far-end server, described diagnosis joint is according to the electric-control system list of the exclusive data bank of vehicle, the each electric-controlled system fault code of autoscan vehicle, obtain diagnostic trouble code data, and being sent to far-end server by described communication interface modules, described far-end server stores and analyzes this electric-controlled system fault code data;
Step 7, described diagnosis joint are diagnosed according to the electric-control system list of the exclusive data bank of vehicle and the list circulation of normal data stream and vehicle communication and are obtained diagnostic data stream and diagnostic trouble code data, and automatically by this diagnostic data stream and diagnostic trouble code data storing in the first storage module, and when follow-up diagnosis joint and far-end server establish a communications link, the data stream and diagnostic trouble code that are stored in the first storage module are mended and pass to far-end server, described far-end server stores and analyzes this data stream and diagnostic trouble code.
Diagnosing protocol in the described total storehouse of normal data stream comprises the diagnosing protocol of whole vehicle, and described data stream item is most important and the data stream item be concerned about most of user, and the described total storehouse of standard fault codes read method comprises each protocol malfunctions code read method.
Data stream item in the described total storehouse of normal data stream has unified data stream identify label.
Described step 3 comprises the following steps:
Step 301, the scanning carried out for each electric-control system according to electric-control system scan database, and all data streams item recording the support of this electric-control system;
Comparing one by one in step 302, the data stream item obtained by scanning electric-control system and the total storehouse of normal data stream, both simultaneous data stream is stored in the first memory module, forms a vehicle appropriate database;
Step 303, each electric-control system of scan round vehicle, until complete the scanning of all electric-control systems of vehicle, and then complete the foundation of this vehicle appropriate database.
Described far-end server comprises: the second microprocessor module and the second memory module be electrically connected with this second microprocessor module, described second microprocessor module receives the diagnostic message of each electric-control system of self diagnosis joint, and this diagnostic message is stored in the second memory module.
In described step 7, data stream and diagnostic trouble code data are stored in described first memory module according to the format of setting.
Described communication interface modules is standard data interface.
Communication mode between described diagnosis joint and far-end server is communication.
Described communication comprises: GPRS communication mode, 3G communication mode and 4G communication mode.
Described diagnosis joint also comprises one first power module, this first power module and first microprocessor module, the first memory module and communication interface modules are electrically connected, and then provide power supply to first microprocessor module, the first memory module and communication interface modules.
Beneficial effect of the present invention: the present invention is based on the remote monitoring of vehicle professional diagnosis and date storage method based on each vehicle private communication protocol, diagnosable electric-control system more more than OBD, and obtain professional diagnosis diagnostic trouble code data and diagnostic data stream, concerning far-end server, normal data stream summary table is known, and can provide than the more diagnostic data stream of OBD system and diagnostic trouble code data, client is facilitated to carry out more deep real-time monitoring to vehicle, when breaking in the wireless network, diagnosis joint is adopted to preserve diagnostic data stream and diagnostic trouble code data, and follow-up set up wireless connections time send to far-end server, do not worry obliterated data, the method is connected with far-end server in real time by standard data interface, also facilitates far-end server to carry out unified interface deployment, display etc., to acquisition vehicle abnormality driving information, sets up safer environment and plays positive role.
In order to further understand feature of the present invention and technology contents, refer to following detailed description for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention describe in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 the present invention is based on the remote monitoring of vehicle professional diagnosis and the process flow diagram of date storage method;
Fig. 2 the present invention is based on the connection diagram diagnosing joint in the remote monitoring of vehicle professional diagnosis and date storage method.
Embodiment
For further setting forth the technological means and effect thereof that the present invention takes, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Refer to Fig. 1 to 2, the invention provides a kind of remote monitoring based on vehicle professional diagnosis and date storage method, comprise the following steps:
Step 1, provide a diagnosis joint 20, this diagnosis joint 20 comprises: diagnose interface module 28, the first microprocessor module 22 is electrically connected with diagnose interface module 28, and the first memory module 26 of being electrically connected of first microprocessor module 22 and the communication interface modules 24 that is electrically connected with first microprocessor module 22, described first memory module storage 26 has the total storehouse of normal data stream, the total storehouse of standard fault codes read method and deagnostic communication program, and the described total storehouse of normal data stream comprises: diagnosing protocol and data stream item;
The described total storehouse of normal data stream is carried out labor through professional automotive expert and is drawn, wherein diagnosing protocol comprises the diagnosing protocol of whole vehicle; Described data stream item is most important and the data stream item be concerned about most of user, and formulates unified data stream identify label (data stream ID); The described total storehouse of standard fault codes read method comprises each protocol malfunctions code read method, thus makes this total storehouse of normal data stream meet whole vehicle.
Described diagnosis joint 20 also comprises one first power module 29, this first power module 29 is electrically connected with first microprocessor module 22, first memory module 26 and communication interface modules 24, and then provides power supply to first microprocessor module 22, first memory module 26 and communication interface modules 24.
Step 2, this diagnosis joint 20 to be connected with vehicle 40, described first microprocessor module 22 calls the deagnostic communication program in the first memory module 26, scanning vehicle 40 all electric-control systems, the electric-control system that record is supported, form an electric-control system scan database, and be stored in the first memory module 26;
Described vehicle 40 is provided with a diagnose connector 42, described diagnose interface module 28 is connected on this diagnose connector 42, and then is electrically connected with vehicle 40 by this diagnosis joint 20.In this preferred embodiment, diagnose interface module 22 adopts standardization SAE J1962 to diagnose joint.Form electric-control system scan database, follow-up electric-control system scanning then can be carried out according to this electric-control system scan database, accelerates the time that follow up scan enters electric-control system.
Step 3, scan whole electric-control system according to electric-control system scan database, obtain all data streams item, the all data streams item this obtained and the total storehouse of normal data stream contrast, and simultaneous data stream both storing is in the first memory module 26, form a vehicle appropriate database, this vehicle appropriate database includes: electric-control system list and the list of normal data stream;
Described step 3 comprises the following steps:
Step 301, the scanning carried out for each electric-control system according to electric-control system scan database, and all data streams item recording the support of this electric-control system;
Comparing one by one in step 302, the data stream item obtained by scanning electric-control system and the total storehouse of normal data stream, both simultaneous data stream is stored in the first memory module 26, forms a vehicle appropriate database;
Step 303, each electric-control system of scan round vehicle 40, until complete the scanning of all electric-control systems of vehicle 40, and then complete the foundation of this vehicle appropriate database.
Step 4, provide a far-end server 60, and described diagnosis joint 20 is established a communications link with far-end server 60 by described communication interface modules 24, if communication connection is set up unsuccessfully, skip to step 7;
Described far-end server 60 comprises: the second microprocessor module 62 and the second memory module 66 be electrically connected with this second microprocessor module 62, described second microprocessor module 62 receives the diagnostic data stream of each electric-control system and the diagnostic trouble code data of self diagnosis joint 20, and by this diagnostic data stream and diagnostic trouble code data storing in the second memory module 66.
Described far-end server 60 also comprises one and second display module 64 that is electrically connected of microprocessor module 62 and a second source module 68, this display module 64 is for showing the result of this far-end server 60 analyzing and diagnosing data stream and diagnostic trouble code data, described second source module 68 and the second microprocessor module 62, second memory module 66 and display module 64 are electrically connected, and then provide power supply for the second microprocessor module 62, second memory module 66 and display module 64.
Described communication interface modules 24 is standard data interface, is conducive to far-end server 60 and carries out unified interface deployment, display etc.Communication mode between described diagnosis joint 20 and far-end server 60 is communication, specifically comprises: the communications such as GPRS communication mode, 3G communication mode and 4G communication mode.
Step 5, to arrange according to far-end server 60, described diagnosis joint 20 is according to the electric-control system list of the exclusive data bank of vehicle and the list of normal data stream, circulation and vehicle communication, obtain the real-time vehicle diagnostic data stream that user needs, and being sent to far-end server 60 by described communication interface modules 24, described far-end server 60 stores and analyzes this real-time vehicle diagnostic data stream;
User checks the result of this far-end server 60 analyzing and diagnosing data stream by the display module 64 of described far-end server 60.
Step 6, to arrange according to far-end server 60, described diagnosis joint 20 is according to the electric-control system list of the exclusive data bank of vehicle, the each electric-controlled system fault code of autoscan vehicle, obtain diagnostic trouble code data, and being sent to far-end server 60 by described communication interface modules 24, described far-end server 60 stores and analyzes this electric-controlled system fault code data;
User checks the result of this far-end server 60 analysis of failure code data by the display module 64 of described far-end server 60.
Step 7, described diagnosis joint 20 are diagnosed according to the electric-control system list of the exclusive data bank of vehicle and the list circulation of normal data stream and vehicle communication and are obtained diagnostic data stream and diagnostic trouble code data, and automatically by this diagnostic data stream and diagnostic trouble code data storing in the first storage module 26, and when follow-up diagnosis joint 20 establishes a communications link with far-end server 60, the data stream and diagnostic trouble code that are stored in the first storage module 26 are mended and pass to far-end server 60, described far-end server 60 stores and analyzes this data stream and diagnostic trouble code.
Under this guarantees state that is unstable at wireless network or that cannot connect, also can complete the fault diagnosis of each electric-control system of vehicle 40, and after setting up wireless connections, send to far-end server 60, if the electric-control system of vehicle 40 has fault, user can deal with problems the very first time.
In described step 7, data stream and diagnostic trouble code data are stored in described first memory module 26 according to the format that the total storehouse of normal data stream sets, namely carry out format according to the data stream item in the total storehouse of normal data stream to store, be conducive to far-end server 60 and carry out unified interface deployment, display etc.
In sum, the invention provides a kind of remote monitoring based on vehicle professional diagnosis and date storage method, the method is based on each vehicle private communication protocol, diagnosable electric-control system more more than OBD, and obtain professional diagnosis diagnostic trouble code data and diagnostic data stream, concerning far-end server, normal data stream summary table is known, and can provide than the more diagnostic data stream of OBD system and diagnostic trouble code data, client is facilitated to carry out more deep real-time monitoring to vehicle, when breaking in the wireless network, diagnosis joint is adopted to preserve diagnostic data stream and diagnostic trouble code data, and follow-up set up wireless connections time send to far-end server, do not worry obliterated data, the method is connected with far-end server in real time by standard data interface, also facilitates far-end server to carry out unified interface deployment, display etc., to acquisition vehicle abnormality driving information, sets up safer environment and plays positive role.
The above, for the person of ordinary skill of the art, can make other various corresponding change and distortion according to technical scheme of the present invention and technical conceive, and all these change and be out of shape the protection domain that all should belong to the claims in the present invention.

Claims (10)

1., based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, comprise the following steps:
Step 1, provide a diagnosis joint, this diagnosis joint comprises: diagnose interface module, the first microprocessor module is electrically connected with diagnose interface module, and the first memory module of being electrically connected of first microprocessor module and the communication interface modules that is electrically connected with first microprocessor module, described first memory module stores the total storehouse of normal data stream, the total storehouse of standard fault codes read method and deagnostic communication program, and the described total storehouse of normal data stream comprises: diagnosing protocol and data stream item;
Step 2, this diagnosis joint to be connected with vehicle, described first microprocessor module calls the deagnostic communication program in the first memory module, the whole electric-control system of scanning vehicle, the electric-control system that record is supported, form an electric-control system scan database, and be stored in the first memory module;
Step 3, scan whole electric-control system according to electric-control system scan database, obtain all data streams item, the all data streams item this obtained and the total storehouse of normal data stream contrast, and simultaneous data stream both storing is in the first memory module, form a vehicle appropriate database, this vehicle appropriate database includes: electric-control system list and the list of normal data stream;
Step 4, provide a far-end server, and described diagnosis joint is established a communications link by described communication interface modules and far-end server, if communication connection is successfully established, perform step 5,6, if communication connection is set up unsuccessfully, skip to step 7;
Step 5, to arrange according to far-end server, described diagnosis joint is according to the electric-control system list of the exclusive data bank of vehicle and the list of normal data stream, circulation and vehicle communication, obtain the real-time vehicle diagnostic data stream that user needs, and being sent to far-end server by described communication interface modules, described far-end server stores and analyzes this real-time vehicle diagnostic data stream;
Step 6, to arrange according to far-end server, described diagnosis joint is according to the electric-control system list of the exclusive data bank of vehicle, the each electric-controlled system fault code of autoscan vehicle, obtain diagnostic trouble code data, and being sent to far-end server by described communication interface modules, described far-end server stores and analyzes this electric-controlled system fault code data;
Step 7, described diagnosis joint are diagnosed according to the electric-control system list of the exclusive data bank of vehicle and the list circulation of normal data stream and vehicle communication and are obtained diagnostic data stream and diagnostic trouble code data, and automatically by this diagnostic data stream and diagnostic trouble code data storing in the first storage module, and when follow-up diagnosis joint and far-end server establish a communications link, the data stream and diagnostic trouble code that are stored in the first storage module are mended and pass to far-end server, described far-end server stores and analyzes this data stream and diagnostic trouble code.
2. as claimed in claim 1 based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, diagnosing protocol in the described total storehouse of normal data stream comprises the diagnosing protocol of whole vehicle, described data stream item is most important and the data stream item be concerned about most of user, and the described total storehouse of standard fault codes read method comprises each protocol malfunctions code read method.
3., as claimed in claim 2 based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, the data stream item in the described total storehouse of normal data stream has unified data stream identify label.
4., as claimed in claim 1 based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, described step 3 comprises the following steps:
Step 301, the scanning carried out for each electric-control system according to electric-control system scan database, and all data streams item recording the support of this electric-control system;
Comparing one by one in step 302, the data stream item obtained by scanning electric-control system and the total storehouse of normal data stream, both simultaneous data stream is stored in the first memory module, forms a vehicle appropriate database;
Step 303, each electric-control system of scan round vehicle, until complete the scanning of all electric-control systems of vehicle, and then complete the foundation of this vehicle appropriate database.
5. as claimed in claim 1 based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, described far-end server comprises: the second microprocessor module and the second memory module be electrically connected with this second microprocessor module, described second microprocessor module receives the diagnostic message of each electric-control system of self diagnosis joint, and this diagnostic message is stored in the second memory module.
6. as claimed in claim 1 based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, in described step 7, data stream and diagnostic trouble code data are stored in described first memory module according to the format of setting.
7., as claimed in claim 1 based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, described communication interface modules is standard data interface.
8., as claimed in claim 7 based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, the communication mode between described diagnosis joint and far-end server is communication.
9., as claimed in claim 8 based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, described communication comprises: GPRS communication mode, 3G communication mode and 4G communication mode.
10. as claimed in claim 1 based on remote monitoring and the date storage method of vehicle professional diagnosis, it is characterized in that, described diagnosis joint also comprises one first power module, this first power module and first microprocessor module, the first memory module and communication interface modules are electrically connected, and then provide power supply to first microprocessor module, the first memory module and communication interface modules.
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