CN103676659A - Diagnostic apparatus with intelligent recording function and recording method thereof - Google Patents
Diagnostic apparatus with intelligent recording function and recording method thereof Download PDFInfo
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- CN103676659A CN103676659A CN201210329831.4A CN201210329831A CN103676659A CN 103676659 A CN103676659 A CN 103676659A CN 201210329831 A CN201210329831 A CN 201210329831A CN 103676659 A CN103676659 A CN 103676659A
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Abstract
A diagnostic apparatus with an intelligent recording function abstractly comprises three structural layers, namely, a physical layer composed of hardware modules connected with an automotive electronics control unit communication interface, a data link layer composed of data processing modules, and an application layer composed of a display module for displaying a man-machine interaction interface and a protocol analyses module. According to the three structural layers, the physical layer is in data interactive linkage with the data link layer, and the data link layer is in interactive linkage with the application layer, so as to form an information interaction chain between an automobile and an operator; a recording cache is arranged in the diagnostic apparatus and is in information interactive linkage with the data link layer and the application layer. With little recorded data amount, communication during the remote diagnosis process is less affected; hardware test process and result can be played back without the aid of the hardware; a teaching platform through which real cases can be shared and discussed is built; the functions of the diagnostic apparatus can be unceasingly improved and upgraded through unceasingly collecting and enriching real diagnose data resources; the product quality and reliability can be unceasingly improved through updating the software.
Description
[technical field]
The present invention relates to vehicle electric field, automotive electronics diagnostic system especially, the diagnostic instrments of the tool that relate to particularly a kind of record for vehicle diagnosis technology, share, files intelligence record.
[background technology]
Within 2009, China's automobile volume of production and marketing breaks through 1,000 ten thousand first, occupy third place in the world, the flourish development that drives relevant a series of industries of automobile industry, the industry such as Motor Maintenance, auto repair is all flourish along with automobile pollution constantly rises, and automobile remote diagnostic, hot technology and the value-added service of current automobile after sale service industry, be intended to by remote Diagnosis Technology and service, assistance and backing up maintenance personnel use the most professional operation, spend minimum expense, with the fastest speed, complete the maintenance of vehicle failure or maintenance service.Auto repair and vehicle diagnosis technology just come into existence along with automobile is born, but along with automotive engineering development is more and more faster, the complicated degree of high-endization of configuration of automobiles is soaring gradually, to malfunction diagnosis of auto maintenance technician's professional technique, require more and more higher, vehicle diagnosis instrument is more complicated, specialization is stronger, not only very high to maintenace point financing requirement, requirement to practitioner's Specialized Quality is more and more higher, high-level 4S shop, chain maintenance store, senior car can high density be popularized, and very different small-sized maintenance store is not enough to provide the maintenance and repair work of high-quality high level, the mode that solves this predicament is carried out remote diagnosis exactly, utilize high standard equipment and the professional skilled worker of certain fixed point place configuration that fault in-situ at random is diagnosed and processed.
The appearance of remote Diagnosis Technology solved can not be whenever and wherever possible in the field diagnostic defect of automobile bursting problem, solve a difficult problem for fault, but the accurate diagnosis of vehicle diagnosis instrument and difficult and complicated cases investigation are to be all based upon on powerful perfect test database basis, the diagnosis and detection of instrument, mode, be first to carry out each port signal to read, and the parts of commute generation problem are tested, according to result and the normal data of test, compare, even carry out second order comparison, until draw final conclusion, Given this, the accuracy of analyzing derives from the complete and diversity of comparison database, " experience " of more multiprocessing problem of diagnostic equipment just can be provided.And most critical, current diagnosis equipment is not shared the platform of diagnostic procedure, and case source and the approach of multi-faceted expansion diagnostic data base is not provided.
[summary of the invention]
The present invention is directed to the diagnostic equipment that above problem has proposed a kind of information that has tracing trouble, record diagnosis process concurrently, shares collection, quick responsive feedback, in this basic function of diagnosis, extend function and the platform of expanding the auxiliary of diagnosis and upgrading.
Technical scheme of the present invention is: a kind of diagnostic equipment of tool intelligence record, there is diagnostic equipment body and diagnose interface, it is characterized in that, diagnosis ontology is abstract is three structural sheets: the Physical layer that the hardware module being connected with vehicle electronic control unit (ECU) communication interface forms; The data link layer that communication data processing module forms; Show the display module of human-computer interaction interface and the application layer that protocol analysis module forms, these three structural sheets are connected alternately and are led data link layer by physical layer data, and data link layer connects alternately and leads application layer, form automobile to the information interaction chain between operator, in diagnostic equipment, be provided with a record buffer memory, connect and lead with described data link layer and application layer message interactive mode.
Development in Vehicle On-Board Diagnostics instrument is to vehicle diagnosis process, first carry out interface operation, select vehicle system, and the communication between automobile ECU is all first by the interface of application layer, to click message to initiate, and by the transmission of data link layer, it is mutual that Physical layer and ECU carry out communication, after obtaining the reply data of ECU, by data link layer, upload to application layer again, application layer is processed through protocol analysis, and result demonstrates process and the result that diagnostic function is carried out.
Diagnostic equipment carries out the method for idagnostic logout, message is clicked in application layer interface to diagnostic equipment and data link layer is recorded in buffer memory, mode by document flow is recorded to the data in transmission reciprocal process in file, in this stage, the detailed path of record diagnosis menu is, the detailed content of automobile EUC module, request message and the response message of diagnosis simultaneously, the title of checkup item and result data, in the mutual gap of communication, by data cached, be saved in local file, with user-defined file form, be kept at this locality.
The method that diagnostic equipment records, comprise and record playback function, when diagnostic equipment departs from after being connected of Physical layer, by log file, replace hardware and vehicle electronic control unit, diagnostic equipment will carry out simulation run according to " the interface click message " of preserving in log file and " communication data amount interactive stream " automatically by embedded software, the whole process of true playback testing automobile.
The invention has the beneficial effects as follows: the present invention records " interface click message " and " communication data amount interactive stream " by the mode of document flow, the data volume of record is little, little on the communication impact in remote diagnosis process, utilize this recording process, can depart from playback hardware testing process and test result in the situation of hardware, utilizing this logging mode can set up true case shares, discuss, teaching platform, constantly collect and enrich true diagnostic data resource, can constantly improve and the function of the diagnostic instrments of upgrading, update software, improve constantly product quality and reliability.
[accompanying drawing explanation]
Fig. 1 is System Operation block diagram of the present invention;
Fig. 2 is that the present invention records playback mode block diagram.
[embodiment]
Development in Vehicle On-Board Diagnostics instrument intelligence writing function is in the situation that not affecting diagnosis communication, equipment self software systems in diagnostic equipment measuring car process are recorded the key message of communication interaction data, interface information etc. whole system running orbit automatically, and data are mainly the interaction data of communication link layer, the click message of application layer human-computer interaction interface and the sign of abnormal conditions.Object is for minimized index information data recording, is departing under hardware case, can omnidistance whole process of reappearing historical test in the system of supporting our product software.Popular, this function, just as video camera, can be recorded the whole process of test get off, and when needs are play the process under recording, diagnostic products itself becomes again player, by the software for display of Auto analyzer, opens, and plays out the content of recording.
A diagnostic equipment for tool intelligence record, has diagnostic equipment body and diagnose interface, it is characterized in that, diagnosis ontology is abstract is three structural sheets: the Physical layer that the hardware module being connected with vehicle electronic control unit (ECU) communication interface forms; The data link layer that communication data processing module forms; Show the display module of human-computer interaction interface and the application layer that protocol analysis module forms, these three structural sheets are connected alternately and are led data link layer by physical layer data, and data link layer connects alternately and leads application layer, form automobile to the information interaction chain between operator, in diagnostic equipment, be provided with a record buffer memory, connect and lead with described data link layer and application layer message interactive mode.
Described application layer is mainly display module and protocol analysis module, is responsible for the demonstration of man-machine interface, Message Processing, the processing of communication data, the parsing of agreement, the storage of data etc.
Described data link layer, is mainly communication data processing module, is responsible for the combination of communication data, and verification is filtered, and transmits etc., coordinates message transmission rate and the sequential of receiving-transmitting sides, guarantees the Stability and veracity of communication.
Physical layer is mainly hardware module, be connected with automobile ECU communication interface, be responsible for the switching of communication interface, as transmission medium, provide physical connection for data link layer, by electric characteristic, realize digital quantity to the transformation of analog quantity, sending and receiving binary bit stream.
Development in Vehicle On-Board Diagnostics instrument is in measuring car process, first by a series of interface operation, selected after vehicle system, communication between all and automobile ECU is all first by the interface of application layer, to click message to initiate, by the transmission of data link layer, it is mutual that Physical layer and ECU carry out communication, after obtaining the reply data of ECU, then uploads to application layer by data link layer, application layer is processed through protocol analysis, and result demonstrates process and the result that diagnostic function is carried out.
Diagnostic equipment carries out the method for idagnostic logout, message is clicked in application layer interface to diagnostic equipment and data link layer is recorded in buffer memory, mode by document flow is recorded to the data in transmission reciprocal process in file, in this stage, the detailed path of record diagnosis menu is, the detailed content of automobile EUC module, request message and the response message of diagnosis simultaneously, the title of checkup item and result data, in the mutual gap of communication, by data cached, be saved in local file, with user-defined file form, be kept at this locality.
The method that diagnostic equipment records, comprise and record playback function, when diagnostic equipment departs from after being connected of Physical layer, by log file, replace hardware and vehicle electronic control unit, diagnostic equipment will carry out simulation run according to " the interface click message " of preserving in log file and " communication data amount interactive stream " automatically by embedded software, the whole process of true playback testing automobile.
The invention has the beneficial effects as follows: the present invention records " interface click message " and " communication data amount interactive stream " by the mode of document flow, the data volume of record is little, little on the communication impact in remote diagnosis process, utilize this recording process, can depart from playback hardware testing process and test result in the situation of hardware, utilizing this logging mode can set up true case shares, discuss, teaching platform, constantly collect and enrich true diagnostic data resource, can constantly improve and the function of the diagnostic instrments of upgrading, update software, improve constantly product quality and reliability.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, according to the technology of the present invention, refer to any simple modification that above embodiment is done, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (4)
1. a diagnostic equipment for tool intelligence record, has diagnostic equipment body and diagnose interface, it is characterized in that, diagnosis ontology is abstract is three structural sheets: the Physical layer that the hardware module being connected with vehicle electronic control unit (ECU) communication interface forms; The data link layer that communication data processing module forms; Show the display module of human-computer interaction interface and the application layer that protocol analysis module forms, these three structural sheets are connected alternately and are led data link layer by physical layer data, and data link layer connects alternately and leads application layer, form automobile to the information interaction chain between operator, in diagnostic equipment, be provided with a record buffer memory, connect and lead with described data link layer and application layer message interactive mode.
2. the diagnostic equipment that intelligence records according to claim 1 carries out the method for idagnostic logout, it is characterized in that, Development in Vehicle On-Board Diagnostics instrument is to vehicle diagnosis process, first carry out interface operation, select vehicle system, and the communication between automobile ECU is all first by the interface of application layer, to click message to initiate, by the transmission of data link layer, it is mutual that Physical layer and ECU carry out communication, after obtaining the reply data of ECU, by data link layer, upload to application layer again, application layer is processed through protocol analysis, and result demonstrates process and the result that diagnostic function is carried out.
3. the diagnostic equipment that tool intelligence records according to claim 2 carries out the method for idagnostic logout, it is characterized in that, the mode recording in diagnostic procedure is, message is clicked in application layer interface to diagnostic equipment and data link layer is recorded in buffer memory, mode by document flow is recorded to the data in transmission reciprocal process in file, in this stage, the detailed path of while record diagnosis menu, the automobile EUC module of diagnosis, the detailed content of request message and response message, the title of checkup item and result data, in the mutual gap of communication, by data cached, be saved in local file, with user-defined file form, be kept at this locality.
4. the method for idagnostic logout according to claim 3, it is characterized in that, the method that diagnostic equipment records, also comprise and record playback function, when diagnostic equipment departs from after being connected of Physical layer, by log file, replace hardware and vehicle electronic control unit, diagnostic equipment will carry out simulation run according to " the interface click message " of preserving in log file and " communication data amount interactive stream " automatically by embedded software, the whole process of true playback testing automobile.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105812698A (en) * | 2016-03-10 | 2016-07-27 | 深圳市元征科技股份有限公司 | Screen recording method and device for vehicle diagnosis terminal |
| WO2019057188A1 (en) * | 2017-09-25 | 2019-03-28 | 深圳市道通科技股份有限公司 | Remote diagnosis method and apparatus for vehicle, mobile terminal, electronic device and server |
| CN109901558A (en) * | 2019-03-29 | 2019-06-18 | 南京汽车集团有限公司 | A kind of commercial vehicle intelligence engineering diagnostic equipment and its application method |
| CN110502437A (en) * | 2019-07-31 | 2019-11-26 | 惠州市德赛西威汽车电子股份有限公司 | A kind of test macro and its method of on-vehicle Bluetooth application program |
| CN112684777A (en) * | 2020-12-21 | 2021-04-20 | 上海星融汽车科技有限公司 | Vehicle remote diagnosis system based on cloud platform |
| CN114579245A (en) * | 2022-05-05 | 2022-06-03 | 深圳市星卡科技有限公司 | System, method and device for generating UI playback data based on user operation data |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105812698A (en) * | 2016-03-10 | 2016-07-27 | 深圳市元征科技股份有限公司 | Screen recording method and device for vehicle diagnosis terminal |
| WO2019057188A1 (en) * | 2017-09-25 | 2019-03-28 | 深圳市道通科技股份有限公司 | Remote diagnosis method and apparatus for vehicle, mobile terminal, electronic device and server |
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| CN109901558A (en) * | 2019-03-29 | 2019-06-18 | 南京汽车集团有限公司 | A kind of commercial vehicle intelligence engineering diagnostic equipment and its application method |
| CN110502437A (en) * | 2019-07-31 | 2019-11-26 | 惠州市德赛西威汽车电子股份有限公司 | A kind of test macro and its method of on-vehicle Bluetooth application program |
| CN110502437B (en) * | 2019-07-31 | 2023-07-28 | 惠州市德赛西威汽车电子股份有限公司 | Test system and method for vehicle-mounted Bluetooth application program |
| CN112684777A (en) * | 2020-12-21 | 2021-04-20 | 上海星融汽车科技有限公司 | Vehicle remote diagnosis system based on cloud platform |
| CN114579245A (en) * | 2022-05-05 | 2022-06-03 | 深圳市星卡科技有限公司 | System, method and device for generating UI playback data based on user operation data |
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