CN104331066A - Remote vehicle fault diagnosis method - Google Patents
Remote vehicle fault diagnosis method Download PDFInfo
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- CN104331066A CN104331066A CN201410540190.6A CN201410540190A CN104331066A CN 104331066 A CN104331066 A CN 104331066A CN 201410540190 A CN201410540190 A CN 201410540190A CN 104331066 A CN104331066 A CN 104331066A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000003745 diagnosis Methods 0.000 title abstract description 29
- 238000005516 engineering process Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000002405 diagnostic procedure Methods 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 4
- 238000010205 computational analysis Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 10
- 238000004171 remote diagnosis Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0243—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a remote vehicle fault diagnosis method which comprises the following steps: a vehicle fault detection unit detects state information of a vehicle through a detection unit and uploads the state information of the vehicle to a microcontroller; the microcontroller analyzes and processes the state information through a calculation unit to obtain running parameters and a fault code of the vehicle; the microcontroller transmits the running parameters and the fault code of the vehicle to a remote service center for processing, and the degree of the fault is obtained by an expert system and field experts; if the fault is general, the fault information and the solution are fed beck to a vehicle screen of a vehicle owner in the form of text; if the fault is serious, the position of the vehicle owner is located according to GPRS, and fixed-point service is provided; and the vehicle owner can access the website of a remote vehicle information technology service center through a mobile terminal to acquire details of the fault. By adopting the remote vehicle fault diagnosis method of the invention, the fault state of a vehicle can be remotely diagnosed and monitored in real time.
Description
Technical field
The present invention relates to a kind of method for diagnosing faults, particularly relate to a kind of vehicle fault remote diagnostic method, belong to fault diagnosis field.
Background technology
Traditional automobile failure diagnosis often exists: between different automaker, diagnostic techniques does not form standard, and this can cause the diagnosis cost of vehicle significantly to increase undoubtedly; Fault diagnosis needs steering vehicle to arrive specific repair location, and this causes the inconvenience of driver, also can not be frequent carry out regular diagnosis and maintenance; Once diagnosis needs specific equipment and masterful technique person all sidedly, and this can make the cost of diagnosis very high; The information that diagnostic trouble code provides normally enough accurately does not refer to out of order source; Become increasingly complex along with Auto Electronic Controlled System becomes, the fault of diagnosis each several part is also more and more difficult.
Along with the continuous progress of society, the life of people is also become better and better, and home-use car is especially general, the prevention of vehicle trouble is even more important, a lot of user can be broken down in the process of moving, but does not know that problem goes out at which, gives driving to live and bringing very large inconvenience and danger of people like this.
Along with the progress of telecommunication, bussing technique, kernel model based diagnosis, electronics and embedded technology, fault diagnosis and the monitoring technique of vehicle are greatly developed, and make it possible to realize remote diagnosis and monitoring in the process travelled at vehicle.These technology possess the interest increasing with car owners motor-dom is also dropped into increasing energy to realize remote diagnosis and monitoring.
On automobile, the number of various electronic control unit constantly increases, and connecting wire significantly increases, and thus improves communication reliability and reduction wire cost between control module and has become problem in the urgent need to address.Develop CAN agreement with the German Bosch company researched and developed and produce automobile electronics famous for this reason, and become international standard (ISO11898).A maximum feature of CAN protocol has abolished traditional station address coding, and replace communication data block forecast, adopts and network node number can be made in this way unrestricted in theory, different nodes also can be made simultaneously to receive identical data.
The such as patent No. is a kind of vehicle fault remote real-time diagnosis method and the system of " 201110197998.5 ", utilize OBD diagnostic module, real-time the reading out of various parameters vehicle travelled by vehicle OBD interface, and the data of reading are input in the vehicle mounted guidance terminal of user.Car-mounted terminal can be analyzed the sample data collected in real time according to the various standard parameter value of OBD data, when noting abnormalities, can by the 3G network of car-mounted terminal, the 4S shop sending to vehicle to associate the diagnostic trouble code of vehicle, arrange the failure code of technical professional to vehicle to analyze by 4S shop, under the prerequisite determining user's vehicle driving safety, determine the method for disposal of user to vehicle.Thus realize the real-time monitoring of 4S shop to target vehicle.Although this invention achieves vehicle fault remote diagnosis, still need to be further improved in fault detection accuracy and server-centric, and can not fault degree analysis be carried out, there is inefficiency, the phenomenon of waste resource.
And for example the patent No. is a kind of general car fault diagnosis agreement describing method of " 201210135586.3 ", and diagnostic function contains read failure code, removes diagnostic trouble code and reading data flow.This describing method can define the diagnosing protocol of multiple vehicle simultaneously.Include following content: version number, remark information, vehicle, component names (controller title), command type, port numbers, port attribute, device address/transmission ID, component address/reception ID and order etc.This invention can be used for the versatility realizing remote fault diagnosis, local Fault diagnosis design, meets the requirement of User Defined fault diagnosis agreement.Other user of car load producer or diagnostic system, only needing the diagnosing protocol definition that just can complete various vehicle by revising this description document, making failure diagnosis apparatus or system have very strong extendability and applicability.Although this utility model achieves vehicle fault remote diagnosis, still need to be further improved in fault detection accuracy and server-centric.
Summary of the invention
Technical matters to be solved by this invention provides a kind of vehicle fault remote diagnostic method that can realize remote diagnosis and monitoring in the driving process of vehicle for the deficiency of background technology.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
1. a vehicle fault remote diagnostic method, comprises following steps:
Step 1, detects car status information, and is uploaded to microcontroller simultaneously;
Step 2, microcontroller, by computational analysis process state information, draws operational factor and the diagnostic trouble code of vehicle;
Step 3, the operational factor of vehicle and diagnostic trouble code are transferred to remote service center and process by microcontroller, draw fault degree by expert system and on-the-spot expert; Failure message is sent on vehicle-mounted screen simultaneously;
Step 4, car owner obtains detailed failure condition and solution by mobile terminal accessing information technology service far away unit.
Preferably, vehicle fault detection unit is detected car status information by detecting unit.
Preferably, described microcontroller is AVR single chip.
Preferably, in step 1, detecting unit is incorporated into microcontroller by CAN.
Preferably, in step 3, described vehicle operating parameters and diagnostic trouble code wirelessly transfer to remote server center.
Preferably, described detecting unit comprises TPMS module, CDMA module, GPS module and engine and faces control module; Described TPMS module is used for detecting tire pressure and temperature in real time; Described GPRS module is used for real-time positioning car master site; Described engine faces control module for real-time detecting and alarm pressure, temperature and level height.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, accurately vehicle trouble messages can be detected, and the center that uploads onto the server in time, real time remote diagnosis and monitoring vehicle malfunction.
2, vehicle intelligentizedly can provide diagnostic trouble code to remote service center, and operational factor;
3, the remote fault diagnosis service centre authoritative expert of tool of vehicle is responsible for, and ensure that the accuracy of diagnosis;
4, the data communication ensureing remote fault diagnosis service centre and corresponding vehicle and the wireless network conversed with driver.
Accompanying drawing explanation
Fig. 1 is principle flow chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, a kind of vehicle fault remote diagnostic method, comprises following steps:
Step 1, detects car status information, and is uploaded to microcontroller simultaneously;
Step 2, microcontroller, by computational analysis process state information, draws operational factor and the diagnostic trouble code of vehicle;
Step 3, the operational factor of vehicle and diagnostic trouble code are transferred to remote service center and process by microcontroller, draw fault degree by expert system and on-the-spot expert; Failure message is sent on vehicle-mounted screen simultaneously;
Step 4, car owner obtains detailed failure condition by mobile terminal accessing information technology service far away unit, and solution.
Wherein, in step 1, vehicle fault detection unit is detected car status information by detecting unit; Described microcontroller is AVR single chip.In step 1, detecting unit is incorporated into microcontroller by CAN.In step 3, described vehicle operating parameters and diagnostic trouble code wirelessly transfer to remote server center.
Wherein, described detecting unit comprises TPMS module, CDMA module, GPS module and engine and faces control module; Described TPMS module is used for detecting tire pressure and temperature in real time; Described GPRS module is used for real-time positioning car master site; Described engine faces control module for real-time detecting and alarm pressure, temperature and level height.
The system of the method: a kind of vehicle remote fault diagnosis system, comprise car fault diagnosis unit and with its long-range server-centric be connected.Described car fault diagnosis unit comprises microcontroller, CAN communication module, and with the multiple sub-detecting unit of CAN communication model calling; Described microcontroller also comprises a data analysis unit and a communication unit, the vehicle trouble messages of acquisition is uploaded to microcontroller by CAN communication module and carries out analyzing and processing by described sub-detecting unit, failure message is analyzed by described data analysis unit, if generic failure then feeds back on the vehicle-mounted screen of car owner in time, without the need to being transferred to server-centric by communication unit; If catastrophic failure then transfers to server-centric by communication unit, result and reply information are fed back to car owner by server-centric in time.
Described detecting unit comprises TPMS module, CDMA module, GPS module and engine and faces control module; Described TPMS module is used for detecting tire pressure and temperature in real time; Described GPRS module is used for real-time positioning car master site; Described engine faces control module for real-time detecting and alarm pressure, temperature and level height, and described CAN communication module comprises CAN controller and connected CAN transceiver; Described CAN controller is MCP2510, and described CAN transceiver is MCP2551.
The fundamental diagram of the remote failure diagnosis system of vehicle, vehicle-mounted fault diagnosis unit and service centre realize remote diagnosis by wireless telecommunications: remote service center obtains the status information of vehicle-mounted fault diagnosis unit transmission by wireless network, then by analyzing operational factor and the diagnostic trouble code of vehicle, remote information technical service center notifies the order of severity of car owner's fault, and provide necessary Service supportive, and necessary maintenance or suggestion is arranged to repair the fault solving appearance.
Can draw from system principle map analysis: kept communicating with vehicle information technologies service centre by wireless network by the vehicle diagnosed.Vehicle information technologies service centre not only can provide Internet to serve as conventional I SP, can also provide safety, GPS, the services such as customer relation management.And vehicle information technologies service centre can also provide the Fault diagnosis expert of specialty to diagnose service for car owner provides.The fault degree of diagnostic trouble code real-time analysis vehicle of diagnostician by transmitting from in-vehicle electronic system.Car owner also can be got online without being tethered to a cable by removable computer or mobile phone carrys out by WAP the more concrete diagnostic trouble code that cruising vehicle information technology service center provides and illustrates, and other navigation Service.Simultaneously our vehicle information technologies service centre also GPRS have following resource, as vehicle manufacturers data center, road rescue vehicle and Mechanical Help, maintenance StoreFront etc.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (6)
1. a vehicle fault remote diagnostic method, is characterized in that: comprise following steps:
Step 1, detects car status information, and is uploaded to microcontroller simultaneously;
Step 2, microcontroller, by computational analysis process state information, draws operational factor and the diagnostic trouble code of vehicle;
Step 3, the operational factor of vehicle and diagnostic trouble code are transferred to remote service center and process by microcontroller, draw fault degree by expert system and on-the-spot expert; Failure message is sent on vehicle-mounted screen simultaneously;
Step 4, car owner obtains detailed failure condition and solution by mobile terminal accessing information technology service far away unit.
2. vehicle fault remote diagnostic method according to claim 1, it is characterized in that: in step 1, vehicle fault detection unit is detected car status information by detecting unit.
3. vehicle fault remote diagnostic method according to claim 1, is characterized in that: described microcontroller is AVR single chip.
4. vehicle fault remote diagnostic method according to claim 1, it is characterized in that: in step 1, detecting unit is incorporated into microcontroller by CAN.
5. vehicle fault remote diagnostic method according to claim 1, it is characterized in that: in step 3, described vehicle operating parameters and diagnostic trouble code wirelessly transfer to remote server center.
6. vehicle fault remote diagnostic method according to claim 2, is characterized in that: described detecting unit comprises TPMS module, CDMA module, GPS module and engine and faces control module; Described TPMS module is used for detecting tire pressure and temperature in real time; Described GPRS module is used for real-time positioning car master site; Described engine faces control module for real-time detecting and alarm pressure, temperature and level height.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410540190.6A CN104331066A (en) | 2014-10-14 | 2014-10-14 | Remote vehicle fault diagnosis method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410540190.6A CN104331066A (en) | 2014-10-14 | 2014-10-14 | Remote vehicle fault diagnosis method |
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| CN104331066A true CN104331066A (en) | 2015-02-04 |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200518A (en) * | 2015-04-29 | 2016-12-07 | 中国科学院电工研究所 | A kind of frequency self-adaption method of electric-vehicle remote monitoring system |
| CN106335523A (en) * | 2016-09-23 | 2017-01-18 | 中车南京浦镇车辆有限公司 | Method for long-distance collection and diagnosis treatment of vehicle-mounted equipment status |
| WO2017128334A1 (en) * | 2016-01-29 | 2017-08-03 | 杨钰 | Method and system for collecting data relating to operating condition data acquisition technology |
| CN107272657A (en) * | 2017-07-21 | 2017-10-20 | 北京图森未来科技有限公司 | Realize method and system, relevant device that vehicle overhauls automatically |
| CN107272649A (en) * | 2017-07-05 | 2017-10-20 | 东南（福建）汽车工业有限公司 | Malfunction remote diagnosis system and method |
| CN108187337A (en) * | 2018-01-25 | 2018-06-22 | 北京云点联动科技发展有限公司 | A kind of fault detection method and equipment for doll machine |
| CN108415401A (en) * | 2018-01-19 | 2018-08-17 | 杭州砺玛物联网科技有限公司 | A kind of engineering truck Measuring error data managing method and system |
| CN108415410A (en) * | 2018-03-19 | 2018-08-17 | 商丘师范学院 | A kind of vehicle fault diagnosis system and diagnostic method |
| CN109147085A (en) * | 2017-12-15 | 2019-01-04 | 蔚来汽车有限公司 | Vehicle fault warning apparatus and method |
| CN109358601A (en) * | 2018-10-19 | 2019-02-19 | 安徽江淮汽车集团股份有限公司 | A kind of method and system of vehicle fault remote diagnosis |
| CN109591776A (en) * | 2018-11-08 | 2019-04-09 | 青岛港国际股份有限公司 | Automatic dock AGV tire inflation system and method |
| CN110308712A (en) * | 2019-05-24 | 2019-10-08 | 深圳市元征科技股份有限公司 | Fault detection method, electronic equipment and the terminal device of a kind of electronic equipment |
| CN110677500A (en) * | 2019-10-30 | 2020-01-10 | 山东大学 | A transmission method and device for realizing remote debugging of OBD |
| CN110738332A (en) * | 2019-09-27 | 2020-01-31 | 深圳市元征科技股份有限公司 | Accident vehicle identification method and system, and storage medium |
| CN111846095A (en) * | 2019-05-14 | 2020-10-30 | 北京嘀嘀无限科技发展有限公司 | Fault detection device, electric power-assisted vehicle and fault detection method |
| CN112182364A (en) * | 2020-09-11 | 2021-01-05 | 上海仙塔智能科技有限公司 | Vehicle use scheme sharing method, server and computer storage medium |
| CN113931631A (en) * | 2021-09-15 | 2022-01-14 | 江苏徐工工程机械研究院有限公司 | A manned auxiliary vehicle operation system and its device in a mining area |
| CN114913627A (en) * | 2022-05-20 | 2022-08-16 | 上汽通用五菱汽车股份有限公司 | Fault data storage method and device, vehicle and computer readable storage medium |
| CN117647968A (en) * | 2024-01-29 | 2024-03-05 | 深圳益实科技有限公司 | Remote intelligent diagnosis and analysis system for faults of vehicle-mounted display screen |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200518A (en) * | 2015-04-29 | 2016-12-07 | 中国科学院电工研究所 | A kind of frequency self-adaption method of electric-vehicle remote monitoring system |
| WO2017128334A1 (en) * | 2016-01-29 | 2017-08-03 | 杨钰 | Method and system for collecting data relating to operating condition data acquisition technology |
| CN106335523A (en) * | 2016-09-23 | 2017-01-18 | 中车南京浦镇车辆有限公司 | Method for long-distance collection and diagnosis treatment of vehicle-mounted equipment status |
| CN107272649A (en) * | 2017-07-05 | 2017-10-20 | 东南（福建）汽车工业有限公司 | Malfunction remote diagnosis system and method |
| CN107272657B (en) * | 2017-07-21 | 2020-03-10 | 北京图森未来科技有限公司 | Method and system for realizing automatic overhaul of vehicle and related equipment |
| CN107272657A (en) * | 2017-07-21 | 2017-10-20 | 北京图森未来科技有限公司 | Realize method and system, relevant device that vehicle overhauls automatically |
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| US11715336B2 (en) | 2017-07-21 | 2023-08-01 | Beijing Tusen Zhitu Technology Co., Ltd. | Method, system and related device of implementing vehicle automatic inspection and repair |
| US11200758B2 (en) | 2017-07-21 | 2021-12-14 | Beijing Tusen Zhitu Technology Co., Ltd. | Method, system and related device of implementing vehicle automatic inspection and repair |
| CN109147085A (en) * | 2017-12-15 | 2019-01-04 | 蔚来汽车有限公司 | Vehicle fault warning apparatus and method |
| CN108415401A (en) * | 2018-01-19 | 2018-08-17 | 杭州砺玛物联网科技有限公司 | A kind of engineering truck Measuring error data managing method and system |
| CN108187337A (en) * | 2018-01-25 | 2018-06-22 | 北京云点联动科技发展有限公司 | A kind of fault detection method and equipment for doll machine |
| CN108415410A (en) * | 2018-03-19 | 2018-08-17 | 商丘师范学院 | A kind of vehicle fault diagnosis system and diagnostic method |
| CN108415410B (en) * | 2018-03-19 | 2020-10-02 | 商丘师范学院 | A kind of automobile fault diagnosis system and diagnosis method |
| CN109358601A (en) * | 2018-10-19 | 2019-02-19 | 安徽江淮汽车集团股份有限公司 | A kind of method and system of vehicle fault remote diagnosis |
| CN109591776A (en) * | 2018-11-08 | 2019-04-09 | 青岛港国际股份有限公司 | Automatic dock AGV tire inflation system and method |
| CN111846095A (en) * | 2019-05-14 | 2020-10-30 | 北京嘀嘀无限科技发展有限公司 | Fault detection device, electric power-assisted vehicle and fault detection method |
| CN110308712A (en) * | 2019-05-24 | 2019-10-08 | 深圳市元征科技股份有限公司 | Fault detection method, electronic equipment and the terminal device of a kind of electronic equipment |
| CN110738332A (en) * | 2019-09-27 | 2020-01-31 | 深圳市元征科技股份有限公司 | Accident vehicle identification method and system, and storage medium |
| CN110738332B (en) * | 2019-09-27 | 2023-12-05 | 深圳市元征科技股份有限公司 | Accident vehicle identification method and system and storage medium |
| CN110677500A (en) * | 2019-10-30 | 2020-01-10 | 山东大学 | A transmission method and device for realizing remote debugging of OBD |
| CN112182364A (en) * | 2020-09-11 | 2021-01-05 | 上海仙塔智能科技有限公司 | Vehicle use scheme sharing method, server and computer storage medium |
| CN113931631A (en) * | 2021-09-15 | 2022-01-14 | 江苏徐工工程机械研究院有限公司 | A manned auxiliary vehicle operation system and its device in a mining area |
| CN114913627A (en) * | 2022-05-20 | 2022-08-16 | 上汽通用五菱汽车股份有限公司 | Fault data storage method and device, vehicle and computer readable storage medium |
| CN117647968A (en) * | 2024-01-29 | 2024-03-05 | 深圳益实科技有限公司 | Remote intelligent diagnosis and analysis system for faults of vehicle-mounted display screen |
| CN117647968B (en) * | 2024-01-29 | 2024-04-26 | 深圳益实科技有限公司 | Remote intelligent diagnosis and analysis system for faults of vehicle-mounted display screen |
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Application publication date: 20150204 |