CN101795286B - Vehicle diagnosis system and method based on 3G network - Google Patents
Vehicle diagnosis system and method based on 3G network Download PDFInfo
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- CN101795286B CN101795286B CN200910239660.4A CN200910239660A CN101795286B CN 101795286 B CN101795286 B CN 101795286B CN 200910239660 A CN200910239660 A CN 200910239660A CN 101795286 B CN101795286 B CN 101795286B
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Abstract
The invention relates to vehicle diagnosis system and method based on 3G network. The system comprises a diagnosis server, an expert system, a client management system and a vehicle type diagnosis system, wherein both the diagnosis server and the expert system are connected with the Internet; the client management system is connected to the Internet by the 3G network; the vehicle type diagnosis system comprises a diagnosis box and a vehicle electric control unit; a 3G communication module is arranged in the diagnosis box; the diagnosis box receives a command sent by the expert system via the Internet through the 3G communication module; furthermore, the diagnosis box communicates with the vehicle electric control unit according to the command and sends the relative information to the client management system by the 3G communication module. The 3G technology is applied to the diagnosis system based on the 3G network, so the invention has the advantages of greatly convenient use for users, rich information, convenient use of the resources on Internet and suitability of the requirements of social development.
Description
Technical field
The present invention relates to a kind of automotive diagnostic system and method, particularly relate to a kind of automotive diagnostic system based on 3G network and method.
Background technology
Automobile is the most familiar, the modal vehicles of people, and it plays very important effect in people's life.Although automobile varying quality, various informative, they are all inevitably various fault in use, needs got rid of or repair in time.Along with the development of society and the progress of science and technology, the design and production of automobile also more and more have employed electronic technology, automatic technology and electronic computer technology, this makes the automaticity of automobile more and more higher on the one hand, performance is more superior, flexibly more convenient to operate, also have higher requirement to auto repair and detection on the other hand, traditional craft monitoring and maintenance mode can not meet the maintenance needs of new automobile.
Along with the develop rapidly of automobile automatic control technology, adopt the systems grow of conputer controlled many, vehicle structure also becomes increasingly complex, the failure diagnosis of automobile also becomes and becomes increasingly complex, it is very general phenomenon that auto repair technician utilizes Auto analyzer (decoder) to service a car, and Auto analyzer on market is also of a great variety, the special equipment of special certain class car of test is had also to have the common apparatus can testing all cars, also require increasing to the information of automotive diagnostic installation, functional requirement gets more and more simultaneously.
Because current diagnosis equipment is most or portable equipment, function, data are all independently be placed in every platform equipment, and the memory space of general each equipment is also limited, causes amount of information not enriched, and can not meet the demand of user.In addition, maintenance personal, when diagnosing, runs into a little knotty problem and also directly cannot obtain extraneous help, others some good experiences also can not share to required people in time, for car owner, want to do it yourself to process a little simple question, that is just more difficult.Although also some equipment directly links on the Internet at present, do not possess any mobility, the restriction of cable network condition must be subject to, sometimes need to carry out diagnosing in the wild just can not meet.
Summary of the invention
The object of the invention is to, provide a kind of automotive diagnostic system based on 3G network, this system, based on 3G network, makes car service station can the information of long-range understanding vehicle, and can carry out data sharing between this intrasystem each diagnostic device.
Another object of the present invention is to, a kind of vehicle diagnosis method based on 3G network is provided, the method by inserting 3G communication module in automotive diagnostic installation, not only make car service station can the information of long-range understanding automobile, and can data sharing be carried out between each diagnostic device, for user provides abundant automotive diagnostic information.
For achieving the above object, the invention provides a kind of automotive diagnostic system based on 3G network, it comprises: diagnosis server, expert system, client management system, and vehicle diagnostic system, this diagnosis server is all connected with internet with expert system, client management system is connected to internet by 3G network, vehicle diagnostic system comprises a diagnosis box and automobile electronic control unit, 3G communication module is provided with in this diagnosis box, the instruction that diagnosis box is sent by internet by this 3G communication module reception expert system, and carry out communication according to instruction and automobile electronic control unit, and then relevant information is sent to client management system by 3G communication module.
Described automobile electronic control unit is provided with automobile specified diagnose connector, and diagnosis box is provided with OBD16 joint, and diagnosis box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
Be provided with MCU, 3G communication module and power module in described diagnosis box, this MCU is by data wire and an input module communication, and by UART interface and the communication of 3G communication module, by CAN, UART or GPIO interface and the communication of diagnose interface circuit, this MCU also passes through I
2c interface is connected with a clock circuit, its also by spi bus to display module record data; Power module is powered to above-mentioned MCU, communication module, input module, diagnosis communication interface, clock circuit and display module.
Vehicle diagnostic software is provided with in described diagnosis server.
Be provided with 3G module in described client management system, client management system carries out communication by this 3G module and internet.
Further, the present invention also provides a kind of vehicle diagnosis method based on 3G network, and the method comprises:
Step 1, diagnosis box provide its numbering and information of vehicles to be diagnosed;
Step 2, by above-mentioned information of vehicles and diagnosis box numbering be sent in the client management system of specifying by 3G network;
The information of vehicles received and diagnosis box numbering are carried out record as solicited message by step 3, client management system, and carry out classification storage to this solicited message;
Solicited message is sent to diagnosis server according to classification by step 4, client management system;
Step 5, diagnosis server start corresponding vehicle diagnostic software, and the diagnosis box corresponding to numbering with the diagnosis box in solicited message carries out communication by 3G network, starts to carry out remote diagnosis, and diagnostic result is supplied to expert system;
Step 6, expert system determination maintenance program;
Maintenance program is sent to client management system by 3G network by step 7, expert system;
Step 8, client management system send maintenance program and diagnostic result.
In described step 5, first diagnosis box downloads vehicle diagnostic software from diagnosis server, and then diagnosis box is by after software diagnosis, then data are supplied to diagnosis server.
Described vehicle diagnostic system comprises a diagnosis box and automobile electronic control unit, 3G communication module is provided with in this diagnosis box, diagnosis box receives by this 3G communication module the maintenance program and instruction that expert system sent by internet, and carry out communication according to this instruction and automobile electronic control unit, client management system and then the related data information obtained in this automobile electronic control unit.
Maintenance program and diagnostic result are informed to corresponding client by note or lettergram mode by described client management system, if also have problem in maintenance process, client can return step 1 and carry out repetitive operation.
Beneficial effect of the present invention: the automotive diagnostic system based on 3G network provided by the invention and method, it is based on 3G network basis, 3G technology is applied in diagnostic system, greatly facilitate the use of user, information is enriched, the resource on the Internet can be utilized easily, adapt to the requirement of social development; This invention not only solves user directly by the requirement of diagnosis terminal connecting Internet whenever and wherever possible, the resource acquisition that can make full use of internet helps, but also make diagnostic message abundanter, alleviate the burden of diagnosis terminal simultaneously, by bulk information all unification be stored on the server of the Internet, greatly facilitate the unified maintenance and management to diagnostic data information.
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 effects apparent.
Fig. 1 is the networking structure schematic diagram of the automotive diagnostic system that the present invention is based on 3G network; ;
Fig. 2 is block diagram and the fundamental diagram of diagnosis box in the present invention;
Fig. 3 is the schematic flow sheet of the vehicle diagnosis method that the present invention is based on 3G network.
Embodiment
For further setting forth the present invention for the technological means that realizes predetermined object and take and effect, refer to following detailed description for the present invention and accompanying drawing, believe object of the present invention, feature and feature, should obtain thus going deep into and concrete understanding, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
The invention provides a kind of automotive diagnostic system based on 3G network (as shown in Figure 1), it comprises: diagnosis server 1, expert system 2, client management system 3, and vehicle diagnostic system 4, this diagnosis server 1 is all connected with internet with expert system 2, client management system 3 connects 32 to internet 34 by 3G network, vehicle diagnostic system 4 comprises a diagnosis box 42 and automobile electronic control unit (ECU) (not shown), 3G communication module 422 is provided with in this diagnosis box 42, diagnosis box 42 receives by this 3G communication module 422 instruction that expert system 2 sent by internet 34, and carry out communication according to instruction and automobile electronic control unit, and then relevant information is sent to client management system 3 by 3G communication module 422.
In the present invention, in order to alleviate the storage burden of diagnostic device, all diagnostic devices can be formed the network of a C/S model, some, important or very huge data are placed on the diagnosis server 1 that is connected with internet 34, this diagnosis server 1 internal memory is placed with vehicle diagnostic software, and the diagnostic device that client uses is a simple terminal, has so both enriched the content of diagnosis, also upgrading in time of update be can keep, unified management and the maintenance of data facilitated again.
Further, on the basis of above-mentioned diagnosis server 1, add expert system 2 again, this expert system 2 is connected on internet 34 by wired or wireless mode, its special on-line solves the query that some diagnosis propose, and some experiences that each terminal accumulates in the middle of practical operation also can upload on diagnosis server 1, share for everybody.
The present invention is also provided with client management system 3, and this client management system 3, by built-in 3G module 36, utilizes this 3G module 36 to carry out communication with internet 32.After this client management system 3 connects upper 3G network 32, and then verify with the diagnosis server 1 on internet 34, verify by rear, just the essential information of required diagnosis vehicle is downloaded to this locality, bring into operation.In diagnostic procedure, when user will relate to and search some a large amount of information (as fault help, drawing etc.), can immediately download from the enterprising line retrieval of diagnosis server 1.If need to obtain online help, point-to-pointly can to exchange with the expert of expert system 2 is direct, message notice will be answered to corresponding client by client management system 3 by short breath or lettergram mode.In addition, some invaluable experiences of oneself also can upload on diagnosis server 1 by client, share to other-end reference, so both meet client's mobile link internet 34, obtain a large amount of help informations from diagnosis server 1, also eliminate the trouble of often diagnostic software being upgraded.
In addition, in vehicle diagnostic system 4 of the present invention, diagnosis box 42 is the diagnosis terminal be configured on each automobile, 3G communication module 422 is provided with in this diagnosis box 42, diagnosis box 42 primary responsibility and automobile electronic control unit (not shown) carry out the mutual of order, this diagnosis box 42 utilizes this 3G communication module 422 to be connected with 3G network 32, and then carry out connecting communication with internet 34, and then data are passed on diagnosis server 1 by 3G communication module 422, diagnosis server 1 starts corresponding vehicle diagnostic software, and the diagnosis box 42 corresponding to numbering with the diagnosis box in solicited message carries out communication by 3G network, start to carry out remote diagnosis, and expert system 2 please be supplied to by diagnostic result, the diagnostic result that such expert system 2 provides according to diagnosis server 1 can determine maintenance program, and in the mailbox that maintenance program is sent to client by 3G network or mobile phone.The automobile electronic control unit of this vehicle diagnostic system 4 is provided with automobile specified diagnose connector, and this diagnosis box 42 is provided with OBD16 joint, and diagnosis box 42 is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.As shown in Figure 2, MCU423,3G communication module 422 and power module 424 is provided with in described diagnosis box, this MCU423 is by data wire and input module 425 communication, by UART interface and 3G communication module 422 communication, by CAN, UART or GPIO interface and diagnose interface circuit 426 communication, this MCU423 also passes through I
2c interface is connected with a clock circuit 427, its also by spi bus to display module 428 record data, this display module 428 and input module 425 all can realize its function by being connected a touch-screen; Power module 424 is powered to above-mentioned MCU423,3G communication module 422, input module 425, diagnosis communication interface circuit 426, clock circuit 427 and display module 428.During work, diagnosis box 42 is inserted on automobile specified diagnose connector, powered to diagnosis box 42 by OBD16 joint, after powering on, automobile electronic control unit enters operating state, 3G communication module 422 starts to receive the command information on the diagnosis server 1 of internet 34, the command information that automobile electronic control unit transmits according to 3G communication module 422 carries out corresponding control operation, namely according to different agreement type, instruction is sent to automobile electronic control unit by different modules, and receive information, return information is sent to 3G communication module 422, pass through 3G communication module 422 again to diagnosis server 1 feedback information on internet 34.
As shown in Figure 3, the present invention also provides a kind of vehicle diagnosis method based on 3G network, and the method comprises:
Step 1, diagnosis box provide its numbering and information of vehicles to be diagnosed.In this step, by the diagnosis box in vehicle diagnostic system provide its numbering and but diagnosis information of vehicles, wherein, vehicle diagnostic system comprises a diagnosis box and automobile electronic control unit, 3G communication module is provided with in this diagnosis box, diagnosis box receives by this 3G communication module the maintenance program and instruction that expert system sent by internet, and carries out communication according to this instruction and automobile electronic control unit, client management system and then the related data information obtained in this automobile electronic control unit.In the present invention, diagnosis box is exactly be configured in the diagnosis terminal on the automobile specified diagnose connector of each car, the instruction that it is sent by internet mainly through establishing 3G communication module in the inner to receive expert system, carry out communication according to instruction and automobile electronic control unit (ECU) again, and the information received is sent to diagnosis server by 3G communication module.
Step 2, by above-mentioned information of vehicles and diagnosis box numbering be sent in the client management system of specifying by 3G network.Information of vehicles and diagnosis terminal number are sent in client management system by mobile phone or internet by client.This client can be car owner or car mechanic etc., is provided with 3G module in client management system, and client management system carries out communication by this 3G module and internet, and then carries out communication with expert system.
The information of vehicles received and diagnosis box numbering are carried out record as solicited message by step 3, client management system, and carry out classification storage to this solicited message.
Solicited message is sent to diagnosis server according to classification by step 4, client management system.Vehicle diagnostic software is provided with in this diagnosis server.
Step 5, diagnosis server start corresponding vehicle diagnostic software, and the diagnosis box corresponding to numbering with the diagnosis box in solicited message carries out communication by 3G network, starts to carry out remote diagnosis, and diagnostic result is supplied to expert system.In this step, first diagnosis box will download vehicle diagnostic software from diagnosis server, and then diagnosis box is by after software diagnosis, then data are supplied to diagnosis server.
Step 6, expert system determination maintenance program.This expert system is connected on internet by wired or wireless mode over there diagnostic device developer, and expert system can download required software by internet in diagnosis server.
Maintenance program is sent to client management system by 3G network by step 7, expert system.
Step 8, client management system send maintenance program and diagnostic result.Maintenance program and diagnostic result are informed to corresponding client by note or lettergram mode by this client management system, if also have problem in maintenance process, client can return step 1 and carry out repetitive operation.Owing to have employed the remote control technology of internet, even if make the Pit Crew of those specialties to be in the action, the situation of vehicle just can be understood by the 3G communication module that automobile loads, carry out again analyzing and providing maintenance program, so both the composition of trained personnel can be optimized, diagnosis and the analysis of fault no longer require that car mechanic has come, and car owner also carries out some simple question process by diagnosis report and maintenance program.
In sum, the automotive diagnostic system based on 3G network provided by the invention and method, it is based on 3G network basis, be applied to by 3G technology in diagnostic system, greatly facilitate the use of user, information is enriched, the resource on the Internet can be utilized easily, adapt to the requirement of social development; This invention not only solves user directly by the requirement of diagnosis terminal connecting Internet whenever and wherever possible, the resource acquisition that can make full use of internet helps, but also make diagnostic message abundanter, alleviate the burden of diagnosis terminal simultaneously, by bulk information all unification be stored on the server of the Internet, greatly facilitate the unified maintenance and management to diagnostic data information.
The above; be only preferred embodiment of the present invention; for the person of ordinary skill of the art, other various corresponding change and distortion can be made according to the technical scheme of this aspect and technical conceive, and all these change and be out of shape the protection range that all should belong to the claims in the present invention.
Claims (7)
1. the automotive diagnostic system based on 3G network, it is characterized in that, comprise diagnosis server, expert system, client management system, and vehicle diagnostic system, this diagnosis server is all connected with internet with expert system, client management system is connected to internet by 3G network, vehicle diagnostic system comprises a diagnosis box and automobile electronic control unit, 3G communication module is provided with in this diagnosis box, the instruction that diagnosis box is sent by internet by this 3G communication module reception expert system, and carry out communication according to instruction and automobile electronic control unit, and then information of vehicles to be diagnosed and diagnosis box numbering are sent to client management system by 3G communication module,
Vehicle diagnostic software is provided with in described diagnosis server;
Be provided with 3G module in described client management system, client management system carries out communication by this 3G module and internet;
Diagnosis server on described client management system and internet verifies, and verifies by rear, the essential information of required diagnosis vehicle is downloaded to this locality;
The answer message notice of expert system is given corresponding client by client management system;
Diagnosis server starts corresponding vehicle diagnostic software, and the diagnosis box corresponding to numbering with diagnosis box carries out communication by 3G network, carries out remote diagnosis, and diagnostic result is supplied to expert system.
2. as claimed in claim 1 based on the automotive diagnostic system of 3G network, it is characterized in that, described automobile electronic control unit is provided with automobile specified diagnose connector, and diagnosis box is provided with OBD16 joint, and diagnosis box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
3. as claimed in claim 1 based on the automotive diagnostic system of 3G network, it is characterized in that, MCU, 3G communication module and power module is provided with in described diagnosis box, this MCU is by data wire and an input module communication, by UART interface and the communication of 3G communication module, by CAN, UART or GPIO interface and the communication of diagnose interface circuit, this MCU also passes through I
2c interface is connected with a clock circuit, its also by spi bus to display module record data; Power module is powered to above-mentioned MCU, communication module, input module, diagnose interface circuit, clock circuit and display module.
4. based on a vehicle diagnosis method for 3G network, it is characterized in that, comprising:
Step 1, diagnosis box provide its numbering and information of vehicles to be diagnosed;
Step 2, by above-mentioned information of vehicles and diagnosis box numbering be sent in the client management system of specifying by 3G network;
The information of vehicles received and diagnosis box numbering are carried out record as solicited message by step 3, client management system, and carry out classification storage to this solicited message;
Solicited message is sent to diagnosis server according to classification by step 4, client management system;
Step 5, diagnosis server start corresponding vehicle diagnostic software, and the diagnosis box corresponding to numbering with the diagnosis box in solicited message carries out communication by 3G network, starts to carry out remote diagnosis, and diagnostic result is supplied to expert system;
Step 6, expert system determination maintenance program;
Maintenance program is sent to client management system by 3G network by step 7, expert system;
Step 8, client management system transmission maintenance program and diagnostic result are to corresponding client;
Be provided with 3G module in client management system, client management system carries out communication by this 3G module and internet, and then carries out communication with expert system.
5. as claimed in claim 4 based on the vehicle diagnosis method of 3G network, it is characterized in that, in described step 5, first diagnosis box downloads vehicle diagnostic software from diagnosis server, then diagnosis box is by after software diagnosis, then data are supplied to diagnosis server.
6. as claimed in claim 4 based on the vehicle diagnosis method of 3G network, it is characterized in that, described vehicle diagnostic system comprises a diagnosis box and automobile electronic control unit, 3G communication module is provided with in this diagnosis box, diagnosis box receives by this 3G communication module the maintenance program and instruction that expert system sent by internet, and carry out communication according to this instruction and automobile electronic control unit, client management system and then the related data information obtained in this automobile electronic control unit.
7. as claimed in claim 4 based on the vehicle diagnosis method of 3G network, it is characterized in that, maintenance program and diagnostic result are informed to corresponding client by note or lettergram mode by described client management system, if also have problem in maintenance process, client can return step 1 and carry out repetitive operation.
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| CN102456172A (en) * | 2010-10-19 | 2012-05-16 | 陈亿龙 | Smart automobile maintenance and management method |
| CN102270381A (en) * | 2011-02-24 | 2011-12-07 | 上海瑞华(集团)有限公司 | Electric automobile dynamic information system based on 3G wireless network |
| CN103048989A (en) * | 2012-11-29 | 2013-04-17 | 王志欣 | Maintenance information and expert system-based automobile failure diagnosis method |
| CN103217969B (en) * | 2013-03-28 | 2016-04-20 | 华南师范大学 | Based on the remote automobile diagnostic system of a key navigation mobile service platform |
| CN103198156A (en) * | 2013-04-27 | 2013-07-10 | 深圳市元征科技股份有限公司 | Automobile maintenance information inquiry and feedback methods and server |
| DE102013211515A1 (en) * | 2013-06-19 | 2014-12-24 | Robert Bosch Gmbh | Module and system for vehicle diagnostics |
| CN103592933A (en) * | 2013-11-07 | 2014-02-19 | 深圳市元征科技股份有限公司 | Automobile diagnostic system and diagnostic method based on android system |
| CN105607585A (en) * | 2014-11-14 | 2016-05-25 | 中华汽车工业股份有限公司 | Method and system for automobile production and maintenance |
| CN108415409B (en) * | 2018-03-19 | 2020-04-03 | 黄河水利职业技术学院 | Multi-stage automobile fault diagnosis system and diagnosis method |
| CN108521459A (en) * | 2018-04-04 | 2018-09-11 | 深圳市道通科技股份有限公司 | Diagnostic method, relevant device and the system of the vehicles |
| CN109698862A (en) * | 2018-12-17 | 2019-04-30 | 深圳市道通科技股份有限公司 | Diagnostic method, management server and the diagnosis server of vehicle |
| CN110888418B (en) * | 2019-12-23 | 2021-08-10 | 深圳市元征科技股份有限公司 | Vehicle diagnosis method, device, equipment and readable storage medium |
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