CN101718993A - Complete vehicle fault self-diagnosis system - Google Patents
Complete vehicle fault self-diagnosis system Download PDFInfo
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- CN101718993A CN101718993A CN 200910310005 CN200910310005A CN101718993A CN 101718993 A CN101718993 A CN 101718993A CN 200910310005 CN200910310005 CN 200910310005 CN 200910310005 A CN200910310005 A CN 200910310005A CN 101718993 A CN101718993 A CN 101718993A
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Abstract
The invention provides a complete vehicle fault self-diagnosis system which belongs to the technical field of automobiles and solves the problem that the traditional vehicles cannot carry out all-around diagnosis on self faults and clearly display the faults in real time. The complete vehicle fault self-diagnosis system comprises a plurality of branch controllers distributed on a vehicle body, and each branch controller is respectively connected to a sub vehicle control system and can respectively diagnose whether the sub vehicle control system connected with the branch controller has faults or not. The system also comprises a centralized controller and a display, wherein the branch controllers are all connected with the centralized controller, and the centralized controller can summarize diagnosis results of all branch controllers, comprehensively evaluate the fault level of the complete vehicle according to the diagnosis results of the branch controllers and generate solution information for reference; and the display is connected to the centralized controller and can display the fault level of the complete vehicle and the corresponding solution information. The complete vehicle fault self-diagnosis system has the advantage of clear and real-time display of vehicle conditions.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of self-diagnosable system, particularly a kind of complete vehicle fault self-diagnosis system.
Background technology
Along with modern new automobile electronic technology more and more is employed, the controller in the car is also more and more, and the fault of appearance is also more and more difficult to be found.
Present most of automobile is the state that the mode of employing combination instrument pilot lamp is judged automobile, but a lot of drivers itself not quite understand the implication of meter lamp, only know that the bright representative automobile of pilot lamp occurs fault, but and do not know that this pilot lamp that lights is which fault in the indication automobile, just more do not know that this fault is seriously not serious, big little to the influence of travelling of automobile.Except this mode, also there is the mode that adopts the hand-held diagnostic equipment to diagnose the state of automobile, though the direct state of display automobile of diagnostic equipment, it costs an arm and a leg, and carries inconvenience, and the direct situation of real time inspection automobile importantly.
Summary of the invention
The objective of the invention is to have the problems referred to above at existing technology, proposed a kind ofly can carry out self diagnosis and these self diagnosis result can be gathered back comprehensive evaluation complete vehicle fault grade to complete vehicle fault, and can produce corresponding counter-measure information for reference, make the driver can in real time, conveniently, clearly grasp the complete vehicle fault self-diagnosis system of vehicle condition.
Purpose of the present invention can realize by following technical proposal: a kind of complete vehicle fault self-diagnosis system, comprise that several are distributed in the sub-controller on the vehicle body, each sub-controller is connected on the vehicle sub-control system respectively and can diagnoses the vehicle sub-control system that links with it whether to have fault respectively, it is characterized in that, native system also comprises Centralized Controller and display, each above-mentioned sub-controller all links with Centralized Controller, described Centralized Controller can gather the diagnostic result of each sub-controller and according to the diagnostic result comprehensive evaluation complete vehicle fault grade of each sub-controller and produce counter-measure information for reference, described display is connected on the Centralized Controller and above-mentioned complete vehicle fault grade and corresponding counter-measure information can be shown.
When ignition switch is got to the ON shelves, each vehicle sub-control system powers on and carries out comprehensive self check, each sub-controller can be diagnosed the vehicle sub-control system that links with it whether to have fault and diagnostic result can be sent to Centralized Controller, for Centralized Controller these diagnostic results is carried out Macro or mass analysis and handles.The driver can make things convenient for, be well understood to vehicle condition by display, can take some corresponding, necessary measures according to the information driver who shows on the display, also can be directly with reference to the corresponding counter-measure that provides on the display.
In above-mentioned a kind of complete vehicle fault self-diagnosis system, described sub-controller comprises the divisional processing device, is connected at least one sensor and a storer on the divisional processing device, described divisional processing device can according to sensor acquisition to signal diagnosis whether have fault, if exist fault then to generate and the corresponding diagnostic trouble code of this fault, and diagnostic trouble code is stored in the storer.
Each fault in the complete vehicle fault self-diagnosis system all corresponding unique diagnostic trouble code, when the divisional processing device is diagnosed out when having fault in this divisional processing device place vehicle sub-control system, the divisional processing device can produce and the corresponding diagnostic trouble code of these faults, and these diagnostic trouble code are stored in the storer.
In above-mentioned a kind of complete vehicle fault self-diagnosis system, described Centralized Controller comprises complete vehicle fault stage unit and counter-measure generation unit, storer in described complete vehicle fault stage unit and each the described sub-controller link and can will be stored in diagnostic trouble code in each storer gather the back and carry out the complete vehicle fault classification according to diagnostic trouble code, described counter-measure generation unit and complete vehicle fault stage unit link and can produce corresponding counter-measure information according to the classification results of complete vehicle fault stage unit, and above-mentioned complete vehicle fault stage unit and counter-measure generation unit all link with display.
The diagnostic trouble code that is stored in each failure message of representative in the storer in each sub-controller can be aggregated in the complete vehicle fault stage unit in the Centralized Controller at last.Can carry out Macro or mass analysis and produce the diagnostic result of complete vehicle fault these diagnostic trouble code information in the complete vehicle fault stage unit, and carrying out the complete vehicle fault classification according to the diagnostic result of this complete vehicle fault, the counter-measure generation unit produces corresponding counter-measure information according to the complete vehicle fault stage unit to the classification results of complete vehicle fault simultaneously.The classification results of these complete vehicle faults and corresponding counter-measure information all can show on display for the driver to be understood and reference.Such as, the related content of the classification results of the complete vehicle fault that shows on the display and corresponding counter-measure information can comprise as follows: vehicle condition is normal fully; Automobile has minor issue, but does not influence cruising; Automobile has big problem, but under the situation of speed limit slow home, James; Automobile has big problem, and limited subscriber starts use, or the like.
In above-mentioned a kind of complete vehicle fault self-diagnosis system, described vehicle sub-control system comprises engine management system, control system of speed variator, slip control system, is connected with a sub-controller on each vehicle sub-control system respectively.
Vehicle sub-control system in this complete vehicle fault self-diagnosis system can also comprise other system except above-mentioned three systems, as control system of safety air bag, and air-conditioner control system etc.
In above-mentioned a kind of complete vehicle fault self-diagnosis system, described each sub-controller and Centralized Controller link by the CAN bus.
In above-mentioned a kind of complete vehicle fault self-diagnosis system, also be connected with the lock function unit that when the complete vehicle fault grade surpasses the setting rank, can prevent automobile starting on the described Centralized Controller.
The lock function unit can avoid some to start the accident that vehicle causes because of situation that the driver can't understand car, can realize that the lock function in its lock function unit can't start vehicle with software mode.
In above-mentioned a kind of complete vehicle fault self-diagnosis system, also be connected with the warning device that when the complete vehicle fault grade surpasses the setting rank, can produce alerting signal on the described Centralized Controller.
When the complete vehicle fault grade surpass to be set rank, the driver just can't understand the situation of car, and warning device sent alerting signal and re-used to point out the driver preferably car to be overhauled afterwards earlier this moment.
Compared with prior art, this complete vehicle fault self-diagnosis system is by carrying out Macro or mass analysis to the fault in each vehicle sub-control system, carry out the complete vehicle fault diagnostic analysis, then complete vehicle fault diagnostic analysis result is carried out the complete vehicle fault classification, and produce corresponding counter-measure information.These complete vehicle fault classifications and corresponding counter-measure information all can show by display, the driver comes into plain view, allow the driver can in real time, clearly grasp the situation of car, and make relative measures or the also direct corresponding counter-measure on the reference display according to the information that display shows.
Description of drawings
Fig. 1 is a principle assumption diagram of the present invention.
Among the figure, 1, Centralized Controller; 11, complete vehicle fault stage unit; 12, counter-measure generation unit; 2, display; 3, lock function unit; 4, warning device; 5, engine management system; 6, control system of speed variator; 7, slip control system; 8, sub-controller; 81, divisional processing device; 82, sensor; 83, storer; 9, CAN bus.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1, this complete vehicle fault self-diagnosis system comprises several vehicle sub-control systems, and for example engine management system 5, control system of speed variator 6 and slip control system 7 or the like are equipped with a sub-controller 8 in each vehicle sub-control system.Sub-controller 8 comprises divisional processing device 81, is connected at least one sensor 82 and a storer 83 on the divisional processing device 81, and storer 83 links to each other with divisional processing device 81.This complete vehicle fault self-diagnosis system also comprises Centralized Controller 1 and display 2.Centralized Controller 1 comprises complete vehicle fault stage unit 11 and counter-measure generation unit 12, storer 83 in complete vehicle fault stage unit 11 and each sub-controller 8 links, counter-measure generation unit 12 links with complete vehicle fault stage unit 11, and complete vehicle fault stage unit 11 and counter-measure generation unit 12 all link with display 2.Each sub-controller 8 links by CAN bus 9 with Centralized Controller 1.Also be connected with the warning device 4 that when the complete vehicle fault grade surpasses the setting rank, can prevent the lock function unit 3 of automobile starting and can produce alerting signal on the Centralized Controller 1.
Native system in the course of the work, the signal that divisional processing device 81 in the sub-controller 8 of each vehicle sub-control system can collect according to sensor 82 in real time diagnoses this sub-control system whether to have fault, if exist fault then to generate and the corresponding diagnostic trouble code of this fault, and diagnostic trouble code is stored in the storer 83.Each divisional processing device 81 diagnostic trouble code that will be stored in respectively in the connected storer 83 send in the complete vehicle fault stage unit 11 of Centralized Controller 1 by CAN bus 9 then.Complete vehicle fault stage unit 11 can will be stored in diagnostic trouble code in each storer 83 and gather the back and carry out the complete vehicle fault classification according to diagnostic trouble code, and counter-measure generation unit 12 can produce corresponding counter-measure information according to the classification results of complete vehicle fault stage unit 11.Last Centralized Controller 1 is with the complete vehicle fault classification results and counter-measure information correspondingly sends to display 2 and show for the driver by display 2 and to understand and reference.Show on the display 2 that complete vehicle fault classification results and counter-measure information correspondingly are as follows: vehicle condition is normal fully; Automobile has minor issue, but does not influence cruising; Automobile has big problem, but under the situation of speed limit slow home, James; Automobile has big problem, and limited subscriber starts use.Therefore, the driver can take some corresponding, necessary measures with this as long as just can recognize vehicle condition real-time, clear, easily by content displayed on the display 2, also can be directly with reference to the corresponding counter-measure that provides on the display 2.
When the complete vehicle fault grade surpasses the setting rank, the situation that just can not show car this moment on the display 2, this moment, Centralized Controller 1 startup lock function unit 3 work can not start vehicle, avoided starting the accident that vehicle causes because of the driver under the situation that can't understand car.Centralized Controller 1 control warning device 4 sends alerting signal with the situation that the prompting driver can't predict car at present simultaneously, enables after preferably car being overhauled again.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (7)
1. complete vehicle fault self-diagnosis system, comprise that several are distributed in the sub-controller (8) on the vehicle body, each sub-controller (8) is connected on the vehicle sub-control system respectively and can diagnoses the vehicle sub-control system that links with it whether to have fault respectively, it is characterized in that, native system also comprises Centralized Controller (1) and display (2), above-mentioned each sub-controller (8) all links with Centralized Controller (1), described Centralized Controller (1) can gather the diagnostic result of each sub-controller (8) and according to the diagnostic result comprehensive evaluation complete vehicle fault grade of each sub-controller (8) and produce counter-measure information for reference, and described display (2) is connected in Centralized Controller (1) and goes up and above-mentioned complete vehicle fault grade and corresponding counter-measure information can be shown.
2. complete vehicle fault self-diagnosis system according to claim 1, it is characterized in that, described sub-controller (8) comprises divisional processing device (81), is connected at least one sensor (82) and a storer (83) on the divisional processing device (81), whether described divisional processing device (81) can exist fault according to the signal diagnosis that sensor (82) collect, if exist fault then to generate and the corresponding coding of this fault, and with code storage in storer (83).
3. complete vehicle fault self-diagnosis system according to claim 2, it is characterized in that, described Centralized Controller (1) comprises complete vehicle fault stage unit (11) and counter-measure generation unit (12), storer (83) in described complete vehicle fault stage unit (11) and each described sub-controller (8) links and can will be stored in coding in each storer (83) and gathers the back and carry out the complete vehicle fault classification according to coding, described counter-measure generation unit (12) links with complete vehicle fault stage unit (11) and can produce corresponding counter-measure information according to the classification results of complete vehicle fault stage unit (11), and above-mentioned complete vehicle fault stage unit (11) and counter-measure generation unit (12) all link with display (2).
4. according to claim 1 or 2 or 3 described complete vehicle fault self-diagnosis systems, it is characterized in that, described vehicle sub-control system comprises engine management system (5), control system of speed variator (6), slip control system (7), is connected with a sub-controller (8) on each vehicle sub-control system respectively.
5. according to claim 1 or 2 or 3 described complete vehicle fault self-diagnosis systems, it is characterized in that described each sub-controller (8) links by CAN bus (9) with Centralized Controller (1).
6. according to claim 1 or 2 or 3 described complete vehicle fault self-diagnosis systems, it is characterized in that, also be connected with the lock function unit (3) that when the complete vehicle fault grade surpasses the setting rank, can prevent automobile starting on the described Centralized Controller (1).
7. according to claim 1 or 2 or 3 described complete vehicle fault self-diagnosis systems, it is characterized in that, also be connected with the warning device (4) that when the complete vehicle fault grade surpasses the setting rank, can produce alerting signal on the described Centralized Controller (1).
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| CN2009103100053A CN101718993B (en) | 2009-11-19 | 2009-11-19 | Complete vehicle fault self-diagnosis system |
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| CN102826065A (en) * | 2012-09-12 | 2012-12-19 | 浙江吉利汽车研究院有限公司杭州分公司 | Intelligent safety protection system for automobile |
| CN103425122A (en) * | 2013-08-13 | 2013-12-04 | 重庆长安汽车股份有限公司 | Fault management method for new energy vehicle controller |
| CN103475859A (en) * | 2013-08-29 | 2013-12-25 | 上海铁路通信有限公司 | Distributed storage centralized control system applicable to rail transit vehicle |
| CN104057826A (en) * | 2013-02-27 | 2014-09-24 | 广州汽车集团股份有限公司 | Automobile combined instrument control unit, automobile combined instrument and display control method of automobile combined instrument |
| CN104176060A (en) * | 2014-07-25 | 2014-12-03 | 湖南大学 | Whole vehicle fault graded processing method for electric vehicles |
| CN105466488A (en) * | 2015-11-23 | 2016-04-06 | 北京必可测科技股份有限公司 | Intelligent visualized on-line monitoring system |
| CN105651291A (en) * | 2015-10-19 | 2016-06-08 | 乐卡汽车智能科技（北京）有限公司 | Fault early warning method and system for vehicles |
| CN106274750A (en) * | 2016-08-25 | 2017-01-04 | 成都优购科技有限公司 | Can the automobile of self-diagnosis of trouble |
| CN106569486A (en) * | 2016-11-15 | 2017-04-19 | 华晨汽车集团控股有限公司 | Fault warning evaluation system based on motor vehicle CAN network |
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| CN102826065A (en) * | 2012-09-12 | 2012-12-19 | 浙江吉利汽车研究院有限公司杭州分公司 | Intelligent safety protection system for automobile |
| CN104057826A (en) * | 2013-02-27 | 2014-09-24 | 广州汽车集团股份有限公司 | Automobile combined instrument control unit, automobile combined instrument and display control method of automobile combined instrument |
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| CN106274750A (en) * | 2016-08-25 | 2017-01-04 | 成都优购科技有限公司 | Can the automobile of self-diagnosis of trouble |
| CN106569486A (en) * | 2016-11-15 | 2017-04-19 | 华晨汽车集团控股有限公司 | Fault warning evaluation system based on motor vehicle CAN network |
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Effective date of registration: 20201020 Address after: Room 518, A2 / F, jianghaizhihuiyuan, 266 Xinshiji Avenue, Nantong high tech Zone, Nantong City, Jiangsu Province 226000 Patentee after: NANTONG MAICHENG AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20201020 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 317000 No. 229 Dongfang Avenue, Linhai City, Zhejiang Province Patentee before: ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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