CN101936814A - Computer type automobile failure diagnosing device and system - Google Patents
Computer type automobile failure diagnosing device and system Download PDFInfo
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- CN101936814A CN101936814A CN2009101145539A CN200910114553A CN101936814A CN 101936814 A CN101936814 A CN 101936814A CN 2009101145539 A CN2009101145539 A CN 2009101145539A CN 200910114553 A CN200910114553 A CN 200910114553A CN 101936814 A CN101936814 A CN 101936814A
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Abstract
The invention belongs to the field of automobile electronic diagnosis control and relates to computer type automobile failure diagnosing device and system. In order to solve the technical problems of low running speed of a standalone version handheld diagnostic instrument, single function caused by no auxiliary system support, unavailable networking remote operation, and the like in the prior art, the invention provides computer type automobile failure diagnosing device and system. The device comprises a main control module, a signal acquisition module, a man-machine exchange module, a storing module and an interface module. The system comprises a data analysis processing part, the computer type automobile failure diagnosing device and a connecting part which is connected with a detected vehicle. The computer type automobile failure diagnosing device and system of the invention effectively solve the problems existing in the prior art, the device has high data processing speed, and the system can carry out intelligentized maintenance diagnosing guide on the detected vehicle, provide a detailed diagnosing report, carry out remote operation by networking and store a diagnostic data stream.
Description
[technical field]
Technical solution of the present invention belongs to automotive electronics diagnosis control field, is specifically related to a kind of computermatic automotive diagnostic unit and uses the computermatic vehicle fault diagnosis system of this computermatic automotive diagnostic unit.
[background technology]
Along with the continuous development of auto industry, Abgasgesetz is strict day by day, and microcomputer control system more and more is applied in the automotive electronics module, and performances such as this safe, reliable, power to automobile, economy, environmental protection all have great raising.Simultaneously,, make that the electronic structure of automobile is complicated day by day, also make automobile failure diagnosis get rid of difficulty all the more along with the application of various kinds of sensors, actuator.At this moment, automotive diagnostic unit arises at the historic moment.
The automotive diagnostic unit of Ying Yonging mostly is standalone version hand-held diagnostic equipment in the market, owing to reasons such as it are light, easy to use, once is that the main flow of vehicle diagnosis is selected.Yet, along with vehicle electrically controlling system becomes increasingly complex and variation, standalone version hand-held diagnostic equipment is because its data processing speed is slow, the support that can not obtain backup system, cause it can not carry out ECU programming, guidance of real-time intelligent maintenance diagnostics and diagnosis report can not be provided, can not carry out the network remote operation, can not carry out defective such as diagnostic data stream storage, can not satisfy the demand that Hyundai Motor is diagnosed.
[summary of the invention]
In order to solve the support that the standalone version hand-held diagnostic equipment travelling speed that exists in the prior art is slow, can not obtain backup system, cause it not treat and survey vehicle and guidance of real-time intelligent maintenance diagnostics and diagnosis report are provided, can not carry out the network remote operation, can not technical matters such as store to diagnostic data stream, technical solution of the present invention provides a kind of computermatic automotive diagnostic unit.
In order to solve the support that the standalone version hand-held diagnostic equipment travelling speed that exists in the prior art is slow, can not obtain backup system, cause it not treat and survey vehicle and guidance of real-time intelligent maintenance diagnostics and diagnosis report are provided, can not carry out the network remote operation, can not technical matters such as store to diagnostic data stream, technical solution of the present invention provides a kind of computermatic vehicle fault diagnosis system that computermatic automotive diagnostic unit is installed.
The present invention solves the technical scheme that the prior art problem adopted: a kind of computermatic automotive diagnostic unit is provided, described computermatic automotive diagnostic unit comprises: main control module, signal acquisition module, man-machine communication's module, memory module and interface module, described interface module comprises first interface module that is connected with computer and second interface module that is connected with detected vehicle, wherein, described main control module is connected described man-machine communication's module successively with described signal acquisition module with described first interface module, described memory module is connected with described main control module respectively with described second interface module.
According to an optimal technical scheme of the present invention: described main control module is that MC9S12DG128B chip, described signal acquisition module are that TL718 chip, described man-machine communication's module are that to be used for input operating key, described memory module that diagnostic mode and diagnostic data stream selects be that to be used to store automobilism be the OBD interface with the SD card memory of diagnostic data stream, described first interface module for USB interface, described second interface module that is connected with computer.
According to an optimal technical scheme of the present invention: described computermatic automotive diagnostic unit also comprises: power module, described power module is connected with described main control module.
According to an optimal technical scheme of the present invention: described computermatic automotive diagnostic unit also comprises: the information indicating module, described information indicating module is connected with described main control module.
According to an optimal technical scheme of the present invention: described information indicating module is the pilot lamp that is used for display power supply, link, diagnosis and USB connection status.
In order to solve the technical matters that exists in the prior art, the present invention also provides a kind of computermatic vehicle fault diagnosis system, described computermatic vehicle fault diagnosis system comprises: data analysis handling part, computermatic automotive diagnostic unit and the connecting portion that is connected with tested vehicle, wherein, described data analysis handling part is connected with described computermatic automotive diagnostic unit, and described computermatic automotive diagnostic unit is connected with tested vehicle by described connecting portion.
According to an optimal technical scheme of the present invention: described interface module comprises CAN line interface, K line interface, LIN line interface, USB interface, RS232 interface and OBD interface.
According to an optimal technical scheme of the present invention: described data analysis handling part is a computer.
According to an optimal technical scheme of the present invention: described data analysis handling part is provided with computermatic automobile failure diagnosis and controls platform.
According to an optimal technical scheme of the present invention: described computermatic automobile failure diagnosis is controlled platform and is comprised that diagnostic function unit, diagnosis help unit and data processing unit.
According to an optimal technical scheme of the present invention: described connecting portion is a connecting line.
According to an optimal technical scheme of the present invention: described connecting line comprises that OBD-II interface RS 232 connecting line, OBD-II interface change CAN line connecting line, the OBD-II interface changes K line connecting line.
The computermatic vehicle fault diagnosis system of the present invention has solved problems of the prior art effectively, the computermatic automotive diagnostic unit deal with data speed of installing in the system is fast, and obtain the support of this computermatic vehicle fault diagnosis system, can diagnosis report is provided the real-time intelligent maintenance diagnostics, instruct and provide at length and can carry out operated from a distance and can store tested vehicle by networking to diagnostic data stream.
[description of drawings]
Fig. 1. computermatic vehicle fault diagnosis system structural representation among the present invention;
Fig. 2. computermatic automotive diagnostic unit modular structure synoptic diagram among the present invention;
Fig. 3. the various operating function synoptic diagram of realizing on computers in the computermatic vehicle fault diagnosis system of the present invention;
Fig. 4. the diagnostic data stream graphics design sketch of realizing on the computer in the computermatic vehicle fault diagnosis system of the present invention.
[embodiment]
Below in conjunction with accompanying drawing technical solution of the present invention is elaborated:
See also computermatic vehicle fault diagnosis system 100 structural representations of Fig. 1 the present invention.As shown in Figure 1, the invention provides a kind of computermatic vehicle fault diagnosis system 100, described computermatic vehicle fault diagnosis system 100 comprises: data analysis handling part 101, computermatic automotive diagnostic unit 102 and the connecting portion 103 that is connected with tested vehicle 104, wherein, described data analysis handling part 101 is connected with described computermatic automotive diagnostic unit 102, and described computermatic automotive diagnostic unit 102 is connected with tested vehicle 104 by described connecting portion 103.
In an optimal technical scheme of the present invention, described data analysis handling part 101 is a computer, is provided with computermatic automobile failure diagnosis at described data analysis handling part 101 and controls platform.
Described connecting portion 103 is a connecting line, and this connecting line comprises that OBD-II interface RS 232 connecting line, OBD-II interface change CAN line connecting line, the OBD-II interface changes K line connecting line.
In an optimal technical scheme of the present invention, the preferred OBD-II interface of the connecting line RS 232 connecting line that described computermatic automotive diagnostic unit 102 is connected with tested vehicle 104: the one head connects tested vehicle 104 diagnose interfaces, a RS232 interface that is connected to described computermatic automotive diagnostic unit 102.The OBD-II interface not by the vehicle of standard design diagnosis joint, can transfer standard to by various adapters and be connected with connecting line for part by standard SAE J1962 design.
In an optimal technical scheme of the present invention, described computermatic automotive diagnostic unit 102 is connected by the USB connecting line with described data analysis handling part 101.
The computermatic vehicle fault diagnosis system 100 of the present invention relies on powerful processing power and the dirigibility of computer, can not only significantly improve the processing power of data, carry out intuitive analysis, storage and the playback of data, can also provide a large amount of technological guidances to help, effectively help the maintenance personal to carry out breakdown maintenance.
After computer and computermatic automotive diagnostic unit 102 couple together by connecting line, the diagnostic data of vehicle will be changed by computermatic automotive diagnostic unit 102, lot of data is handled the most on computers, off-line operation is stored in the data of SD card, also the data in the SD card can be handled and playback on computers.
Because the bus interface and the computer interface of vehicle to be tested do not match, and various years, the interface that the vehicle of different brands provides also is not quite similar, bring very big difficulty to data-switching, solution is that different interfaces is changed into the interface of international iso standardization by adapter, connects with the standard patchcord again.
See also the computermatic automotive diagnostic unit 102 modular structure synoptic diagram of Fig. 2.As shown in Figure 2, described computermatic automotive diagnostic unit 102 comprises main control module 201, signal acquisition module 202, man-machine communication's module 205, memory module 206 and interface module, described interface module comprises first interface module 203 that is connected with described data analysis handling part 101 and second interface module 204 that is connected with detected vehicle, wherein, described main control module 201 is connected described man-machine communication's module 205 with described signal acquisition module 202 successively with described first interface module 203, described memory module 206 is connected with described main control module 201 respectively with described second interface module 204.
In the preferred technical solution of the present invention, the MC9S12DG128B chip that described main control module 201 is produced for Freescale company.Main control module 201MC9S12DG128B chip through handling, sends to the signal that receives from described signal acquisition module 202TL718 chip computing machine and calculates, and has guaranteed the reliability and the security of data.Main control module 201 is also by man-machine communication's module 205 input control orders, select the read mode of diagnostic data stream, and the data of needs storage are organized storage with FAT32 formatted file form.The MC9S12DG128B chip is the widely used high performance chips of automotive field, has the high speed processor of CPU12 kernel, satisfy the needs of vehicle diagnosis.
In signal acquisition module described in the preferred technical solution of the present invention 202 is the TL718 chip, TL718 is domestic a open protocol translation chip, it is integrated CAN, used both at home and abroad main various automobile agreements such as K-Line, described signal acquisition module 202TL718 chip is connected to automobile electronic control unit by first interface module 203 with automobile OBD II joint, described TL718 chip is converted into main control module 201 needed signal formats to all kinds message that sends from each electronic control module of automobile, and signal and the command group that main control module 201 sends be made into corresponding automobile message format, send each automobile electrically-controlled module to.
In the module of man-machine communication described in the preferred technical solution of the present invention 205 is to be used for the input operating key that operating functions such as diagnostic mode and diagnostic data stream are selected.
In memory module described in the preferred technical solution of the present invention 206 is the SD card memory that is used to store automobilism and diagnostic data stream.
Also comprise at computermatic automotive diagnostic unit 102 described in the preferred technical solution of the present invention: power module 207 and information indicating module 208, described power module 207 is connected with described main control module 201 respectively with described information indicating module 208.
The computermatic automotive diagnostic unit 102 of the present invention adopts two kinds of power supply input modes, be respectively Vehicular accumulator cell feed circuit and external power supply feed circuit, can when computermatic automotive diagnostic unit 102 connects and do not connect automobile, all can provide required stabilized voltage supply for above-mentioned each module.
At the indicating module of information described in the preferred technical solution of the present invention 208 is the pilot lamp that is used for display power supply, link, diagnosis and USB connection status.
Comprise CAN line interface, K line interface, LIN line interface, USB interface, RS232 interface and OBD interface in interface module described in the preferred technical solution of the present invention, wherein, described first interface module, 203 preferred USB interface, described second interface module 204 is the OBD interface.
See also the various operating function synoptic diagram of realizing on computers in the computermatic vehicle fault diagnosis system 100 of Fig. 3 the present invention.As shown in Figure 3, described data analysis handling part 101 is provided with computermatic automobile failure diagnosis and controls platform, described computermatic automobile failure diagnosis is controlled platform and is comprised that diagnostic function unit 301, diagnosis help unit 302 and data processing unit 303, the operator can send command adapted thereto control diagnostic function by the visual software interface of operation.
Wherein, diagnostic function unit 301 has the desired Read fault sign indicating number of international standard ISO 15031-5 and ISO 14229-1, clear diagnostic trouble code, and time data stream is read version information, motion test, the test of 9 PID in the OBD test.
Diagnosis helps unit 302, mainly comprises and keeps in repair help, maintenance record and data management three parts.Keep in repair help: will keep in repair tutorial message and be stored in the software, and can promptly and accurately make the maintenance guidance of diagnostic trouble code to the maintenance personal; Maintenance record: after maintenance finished, the maintenance personal can fill in maintenance record and be stored in the corresponding document folder; Data management: maintenance record will form the diagnosis " case history originally " of vehicle, carry out data management targetedly.
Data processing unit 303 mainly comprises graphic presentation, data readback and back-end data record.Graphic presentation: shown in the diagnostic data stream graphics design sketch of realizing on the computer in the computermatic vehicle fault diagnosis system 100 of Fig. 4 the present invention, when carrying out the read data function of diagnostic function, resulting data optionally can be carried out graphically, the numeral that changes is changed into coherent whereabouts, can contrast the situation of change of correlation curve intuitively; Data readback: the data of SD card storage under the off-line mode are carried out playback on software platform, can know the diagnostic data of vehicle under the off-line state; The back-end data record: when the various function on the function software platform, total data in the communication process will be write down in the software backstage, be stored in the corresponding document folder.
The computermatic vehicle fault diagnosis system 100 of the present invention has solved problems of the prior art effectively, the computermatic automotive diagnostic unit 102 deal with data speed of installing in the system are fast, and obtain the support of this computermatic vehicle fault diagnosis system 100, can diagnosis report is provided the real-time intelligent maintenance diagnostics, instruct and provide at length and can carry out operated from a distance and can store tested vehicle 104 by networking to diagnostic data stream.
Above content be in conjunction with concrete optimal technical scheme to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. computermatic automotive diagnostic unit, it is characterized in that: described computermatic automotive diagnostic unit comprises: main control module (201), signal acquisition module (202), man-machine communication's module (205), memory module (206) and interface module, described interface module comprises first interface module (203) that is connected with computer and second interface module (204) that is connected with detected vehicle, wherein, described main control module (201) is connected described man-machine communication's module (205) successively with described signal acquisition module (202) with described first interface module (203), described memory module (206) is connected with described main control module (201) respectively with described second interface module (204).
2. according to the described computermatic automotive diagnostic unit of claim 1, it is characterized in that:
Described main control module (201) be the MC9S12DG128B chip,
Described signal acquisition module (202) be the TL718 chip,
Described man-machine communication's module (205) for the input operating key that is used for diagnostic mode and diagnostic data stream and selects, described memory module (206) for the SD card memory that is used to store automobilism and diagnostic data stream,
Described first interface module (203) is the USB interface that is connected with computer.
3. according to claim 1 or 2 described computermatic automotive diagnostic units, it is characterized in that: described computermatic automotive diagnostic unit also comprises: power module (207), described power module (207) is connected with described main control module (201).
4. according to claim 1 or 2 described computermatic automotive diagnostic units, it is characterized in that: described computermatic automotive diagnostic unit also comprises: information indicating module (208), described information indicating module (208) is connected with described main control module (201).
5. according to the described computermatic automotive diagnostic unit of claim 4, it is characterized in that: described information indicating module (208) is for being used for the pilot lamp of display power supply, link, diagnosis and USB connection status.
6. computermatic vehicle fault diagnosis system, it is characterized in that: described computermatic vehicle fault diagnosis system (100) comprising: data analysis handling part (101), computermatic automotive diagnostic unit as claimed in claim 1 (102) and the connecting portion (103) that is connected with tested vehicle (104), wherein, described data analysis handling part (101) is connected with described computermatic automotive diagnostic unit (102), and described computermatic automotive diagnostic unit (102) is connected with tested vehicle (104) by described connecting portion (103).
7. according to the described computermatic vehicle fault diagnosis system of claim 6, it is characterized in that: described interface module comprises CAN line interface, K line interface, LIN line interface, USB interface, RS232 interface and OBD interface.
8. according to the described computermatic vehicle fault diagnosis system of claim 6, it is characterized in that: described data analysis handling part (101) is a computer.
9. described according to Claim 8 computermatic vehicle fault diagnosis system, it is characterized in that: described data analysis handling part (101) is provided with computermatic automobile failure diagnosis and controls platform, comprises that diagnostic function unit (301), diagnosis help unit (302) and data processing unit (303).
10. according to the described computermatic vehicle fault diagnosis system of claim 6, it is characterized in that: described connecting portion (103) is a connecting line, comprises that OBD-II interface RS 232 connecting line, OBD-II interface change CAN line connecting line, the OBD-II interface changes K line connecting line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101145539A CN101936814A (en) | 2009-11-13 | 2009-11-13 | Computer type automobile failure diagnosing device and system |
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| CN2009101145539A CN101936814A (en) | 2009-11-13 | 2009-11-13 | Computer type automobile failure diagnosing device and system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073319A (en) * | 2011-01-25 | 2011-05-25 | 武汉理工大学 | Multifunctional comprehensive type electric control automobile fault diagnosis system |
| CN102393731A (en) * | 2011-10-17 | 2012-03-28 | 苏州凌创电子科技有限公司 | On-board monitoring and diagnosis device based on OBD-II (On-Board Diagnostics-II) |
| CN102780713A (en) * | 2011-05-09 | 2012-11-14 | 上海通用汽车有限公司 | Vehicle diagnostic system and vehicle diagnostic method |
| CN103287400A (en) * | 2013-02-05 | 2013-09-11 | 深圳市元征科技股份有限公司 | Vehicle data diagnostic system and method |
| CN104344964A (en) * | 2014-08-25 | 2015-02-11 | 浙江吉利控股集团有限公司 | Detection tool and detection method for belt buckle fault of passenger vehicle safety belt |
| CN106708014A (en) * | 2016-12-09 | 2017-05-24 | 深圳市元征科技股份有限公司 | Vehicle fault diagnosis method and system and OBD diagnosis device |
| CN109976315A (en) * | 2019-04-25 | 2019-07-05 | 琼台师范学院 | A kind of embedded vehicle fault diagnosis system |
| CN112255997A (en) * | 2020-10-23 | 2021-01-22 | 深圳市元征科技股份有限公司 | Vehicle offline diagnosis method and device and computer storage medium |
-
2009
- 2009-11-13 CN CN2009101145539A patent/CN101936814A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073319A (en) * | 2011-01-25 | 2011-05-25 | 武汉理工大学 | Multifunctional comprehensive type electric control automobile fault diagnosis system |
| CN102073319B (en) * | 2011-01-25 | 2013-02-27 | 武汉理工大学 | Multifunctional comprehensive type electric control automobile fault diagnosis system |
| CN102780713A (en) * | 2011-05-09 | 2012-11-14 | 上海通用汽车有限公司 | Vehicle diagnostic system and vehicle diagnostic method |
| CN102393731A (en) * | 2011-10-17 | 2012-03-28 | 苏州凌创电子科技有限公司 | On-board monitoring and diagnosis device based on OBD-II (On-Board Diagnostics-II) |
| CN103287400A (en) * | 2013-02-05 | 2013-09-11 | 深圳市元征科技股份有限公司 | Vehicle data diagnostic system and method |
| CN104344964A (en) * | 2014-08-25 | 2015-02-11 | 浙江吉利控股集团有限公司 | Detection tool and detection method for belt buckle fault of passenger vehicle safety belt |
| CN106708014A (en) * | 2016-12-09 | 2017-05-24 | 深圳市元征科技股份有限公司 | Vehicle fault diagnosis method and system and OBD diagnosis device |
| CN109976315A (en) * | 2019-04-25 | 2019-07-05 | 琼台师范学院 | A kind of embedded vehicle fault diagnosis system |
| CN109976315B (en) * | 2019-04-25 | 2020-09-22 | 琼台师范学院 | Embedded vehicle fault diagnosis system |
| CN112255997A (en) * | 2020-10-23 | 2021-01-22 | 深圳市元征科技股份有限公司 | Vehicle offline diagnosis method and device and computer storage medium |
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Application publication date: 20110105 |