CN102566566B - Automatic automobile diagnosis method based on data processing unit (DPU) - Google Patents
Automatic automobile diagnosis method based on data processing unit (DPU) Download PDFInfo
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- CN102566566B CN102566566B CN 201210015329 CN201210015329A CN102566566B CN 102566566 B CN102566566 B CN 102566566B CN 201210015329 CN201210015329 CN 201210015329 CN 201210015329 A CN201210015329 A CN 201210015329A CN 102566566 B CN102566566 B CN 102566566B
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Abstract
The invention provides an automatic automobile diagnosis method based on a data processing unit (DPU). The automatic automobile diagnosis method comprises the following steps of: 1, supplying a client and a DPU diagnosis joint; 2, connecting the DPU diagnosis joint to an automobile diagnosis interface; 3, communicating a first communication module of the client with a second communication module of the DPU diagnosis joint; 4, automatically sending a diagnosis request to the DPU diagnosis joint by the client according to a preset procedure, and receiving the diagnosis request by the DPU diagnosis joint and controlling a switch array module to switch on the automobile diagnosis interface; 5, reading data to be diagnosed from an automobile electronic control system by the DPU diagnosis joint through the automobile diagnosis interface, and transmitting the data to the diagnosed to the client; 6, receiving the data to be diagnosed by the client, comparing the data to be diagnosed with an automobile normal running parameter pre-stored in a first storage module through a data processing module of the client, and acquiring a value of comparison result data; and 7, comparing the value of the comparison result data with a normal fluctuation range value of the automobile normal running parameter pre-stored in the first storage module through the data processing module of the client, and if the value of the comparison result data is not in the normal fluctuation range value of the automobile normal running parameter, sounding an alarm by an alarm module.
Description
Technical field
The present invention relates to a kind of vehicle diagnosis method method, relate in particular to a kind of automobile automatic diagnosis method based on DPU.
Background technology
Along with the high speed development of Chinese Auto Industry, the continuous of home-use car popularized, and the huge market potential of living behind the automobile has caused the extensive concern of each side.Through for many years market development with popularize, vehicle fault diagnosis system obtains effective development.
But because traditional market factor, the multi-functional professional diagnosis equipment of multisystem has stupid large stupid thick, expensive characteristics, the customer group is orthodox car maintenance factory, and it is small and exquisite with it towards individual client's DIY equipment, price is low, and is easy to operate and based on the advantages such as versatility of OBDII/EOBD system diagnostics, entered into gradually the personal user market of home-use car.But simultaneously, this traditional DIY equipment is because it based on OBDII/EOBD, can only be diagnosed and discharge relevant power system, and function is simple, can't make more comprehensive diagnosis to vehicle, has limited its potentiality that further develop.And the diagnostic device of specialty is also set up a firm barrier for entering personal owing to it is expensive.Simultaneously, these diagnostic devices need the software on the ordinary terminal user active operation client to remove to obtain the automobile diagnostic data, but a large amount of technical terms that these a little diagnostic devices use make the ordinary terminal user not know how this uses diagnostic device.
Summary of the invention
The object of the present invention is to provide a kind of automobile automatic diagnosis method based on DPU, the method can detect vehicle failure automatically, can satisfy vehicle trouble and check and can greatly reduce again user's operation technique threshold by needs, and is simple to operate, cost is low.
Another object of the present invention is to provide a kind of automobile automatic diagnosis method based on DPU, it reads different vehicle operating parameters by the gating of the different pins of switch arrays module, and diagnosis comprehensively.
For achieving the above object, the invention provides a kind of automobile automatic diagnosis method based on DPU, it may further comprise the steps:
Step 1, client and DPU diagnosis joint is provided, described client comprises the client data processing module, be electrically connected at the first communication module of client data processing module, be electrically connected at the alarm module of client data processing module and be electrically connected at the first memory module of client data processing module, described DPU diagnosis joint comprises microprocessor, be electrically connected at the second communication module of microprocessor, be electrically connected at the second memory module of microprocessor, be electrically connected at the DPU data processing module of microprocessor and be electrically connected at the switch arrays module of microprocessor;
Step 2, connection DPU diagnosis joint are on the vehicle diagnosis interface;
The second communication module communication connection of the first communication module of step 3, client and DPU diagnosis joint;
Step 4, client send the diagnosis request according to default program from trend DPU diagnosis joint, the microprocessor of DPU diagnosis joint receives this diagnosis request, and the corresponding diagnostic routine file that is stored in this second memory module according to this diagnosis request call sends the DPU data processing module to, described DPU data processing module moves this diagnostic routine file, and sending operation result to microprocessor, microprocessor is according to this operation result gauge tap array module and vehicle diagnosis interface gating;
Step 5, DPU diagnosis joint reads diagnostic data in the Auto Electronic Controlled System by the vehicle diagnosis interface, and sends this diagnostic data to client;
Step 6, this diagnostic data of client, and by the client data processing module this diagnostic data and the pre-stored normal operational factor of automobile in the first memory module are compared, draw the numerical value of comparing result data;
Step 7, client data processing module compare the numerical value of these comparing result data and the normal fluctuation range value of the pre-stored normal operational factor of automobile in this first memory module, if the numerical value of these comparing result data in the normal fluctuation range value of the normal operational factor of this automobile, is not then reported to the police by alarm module.
In the described step 6, the normal operational factor of automobile is downloaded and is stored in described the first memory module by wired or wireless mode.
In the described step 7, the normal fluctuation range value of the normal operational factor of automobile is stored in described the first memory module by the mode of downloading or set up on their own.
In the described step 7, if the numerical value of described comparing result data then finishes this diagnosis in the normal fluctuation range value of the normal operational factor of this automobile.
Carry out radio communication by bluetooth or wifi between described first, second communication module.
Described alarm module is the sound and light alarm module.
Described client also comprises display device, this display device is electrically connected at the client data processing module, is used for the comparing result data to diagnostic data, the normal operational factor of automobile, diagnostic data and the normal operational factor of automobile, the normal fluctuation range value that reaches the normal operational factor of automobile shows.
Beneficial effect of the present invention: the invention provides a kind of automobile automatic diagnosis method based on DPU, after its client and the communication connection of DPU diagnosis joint, client sends the diagnosis request automatically, DPU diagnosis joint sends client to according to this diagnosis acquisition request automobile diagnostic data, client is done contrast with this automobile diagnostic data and the default normal operational factor of automobile, draw result, and when unusual, report to the police, both satisfied the vehicle failure demands on examination, and can greatly reduce again user's operation technique threshold, and need not the user and understand professional vehicle diagnosis term, can use, simple to operate, applied widely, simultaneously, in DPU diagnosis joint, adopt the switch arrays module, the conducting of different pins and vehicle diagnosis interface by this switch arrays module, client can read different diagnostic data, so that diagnosis more comprehensively.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, the present invention is limited.
Description of drawings
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In the accompanying drawing,
Fig. 1 is the process flow diagram that the present invention is based on the automobile automatic diagnosis method of DPU;
Fig. 2 diagnoses the module diagram of joint for the client of the automobile automatic diagnosis method of realizing the present invention is based on DPU and DPU.
Embodiment
Technological means and the effect thereof taked for further setting forth the present invention are described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
See also Fig. 1 and Fig. 2, the invention provides a kind of automobile automatic diagnosis method based on DPU, it may further comprise the steps:
Step 1, client 20 and DPU (Distributed Processing Unit are provided, be the dispersion treatment unit) diagnosis joint 30, described client 20 comprises client data processing module 21, be electrically connected at the first communication module 22 of client data processing module 21, be electrically connected at the alarm module 23 of client data processing module 21 and be electrically connected at the first memory module 24 of client data processing module 21, described DPU diagnosis joint 30 comprises microprocessor 31, be electrically connected at the second communication module 32 of microprocessor 31, be electrically connected at the second memory module 33 of microprocessor 31, be electrically connected at the DPU data processing module 34 of microprocessor 31 and be electrically connected at the switch arrays module 35 of microprocessor 31.
Described client 20 and 30 communication connections of DPU diagnosis joint, described the first memory module 24 is pre-stored the vehicle diagnosis expert data, this vehicle diagnosis expert data comprises the normal fluctuation range of the normal operational factor of automobile and the normal operational factor of automobile, the normal operational factor of this automobile is downloaded and is stored in described the first memory module 24 by wired or wireless mode, the normal fluctuation range of the normal operational factor of this automobile is stored in described the first memory module 24 by the mode of downloading or set up on their own, the second memory module 33 is the FLASH memory module, is used for the store diagnostic program file.
Step 2, connection DPU diagnosis joint 30 are on vehicle diagnosis interface 40.
The first communication module 22 of step 3, client 20 communicates to connect with the second communication module 32 of DPU diagnosis joint 30.
Described first, second communication module 22,32 is first, second wireless communication module, carries out radio communication by bluetooth or wifi between this first, second communication module 22,32.
Step 4, client 20 send the diagnosis request according to default program from trend DPU diagnosis joint 30, the microprocessor 31 of DPU diagnosis joint 30 receives this diagnosis request, and the corresponding diagnostic routine file that is stored in this second memory module 33 according to this diagnosis request call sends DPU data processing module 34 to, described DPU data processing module 34 these diagnostic routine files of operation, and sending operation result to microprocessor 31, microprocessor 31 is according to this operation result gauge tap array module 35 and vehicle diagnosis interface 40 gatings.
The client data processing module 21 of described client 20 communicates to connect with the microprocessor 31 of DPU diagnosis joint 30 by first, second communication module 22,32, client data processing module 21 is by pre-stored steering order, automatically send the diagnosis request, this sending mode can be the interval and sends, can adopt the interval time that carries in this client the interval time that this client data processing module 21 sends the diagnosis request automatically, also can set according to self-demand.
This switch arrays module 35 comprises several pins, is respectively applied to conducting vehicle diagnosis interface 40 and then reads corresponding diagnostic data, so that diagnosis more comprehensively, more is conducive to maintenance and maintenance to automobile, prolongs automotive service life.
Step 5, DPU diagnosis joint 30 reads diagnostic data in the Auto Electronic Controlled System by vehicle diagnosis interface 40, and sends this diagnostic data to client 20.
The microprocessor 31 of described DPU diagnosis joint 30 reads diagnostic data in the Auto Electronic Controlled System by vehicle diagnosis interface 40, then this diagnostic data is sent to the client data processing module 21 of client 20 by second communication module 32 and first communication module 22.
Step 6, client 20 receives these diagnostic data, and by client data processing module 21 this diagnostic data and the pre-stored normal operational factor of automobile in the first memory module 24 compared, and draws the numerical value of comparing result data.
Step 7, client data processing module 21 compare the numerical value of these comparing result data and the normal fluctuation range value of the pre-stored normal operational factor of automobile in this first memory module 24, if the numerical value of these comparing result data is not in the normal fluctuation range value of the normal operational factor of this automobile, then report to the police by alarm module, if the numerical value of these comparing result data then finishes this diagnosis in the normal fluctuation range value of the normal operational factor of this automobile.Described alarm module 23 is the sound and light alarm module in the present embodiment.
Described client 20 also can comprise display device 25, this display device 25 is electrically connected at client data processing module 21, is used for the comparing result data to diagnostic data, the normal operational factor of automobile, diagnostic data and the normal operational factor of automobile, the normal fluctuation range value that reaches the normal operational factor of automobile shows.
In sum, the invention provides a kind of automobile automatic diagnosis method based on DPU, after its client and the communication connection of DPU diagnosis joint, client sends the diagnosis request automatically, DPU diagnosis joint sends client to according to this diagnosis acquisition request automobile diagnostic data, client is done contrast with this automobile diagnostic data and the default normal operational factor of automobile, draw result, and when unusual, report to the police, both satisfied the vehicle failure demands on examination, can greatly reduce again user's operation technique threshold, need not the user and understand professional vehicle diagnosis term, can use, simple to operate, applied widely, simultaneously, in DPU diagnosis joint, adopt the switch arrays module, the conducting of different pins and vehicle diagnosis interface by this switch arrays module, client can read different diagnostic data, so that diagnosis more comprehensively.
The above for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (6)
1. the automobile automatic diagnosis method based on DPU is characterized in that, may further comprise the steps:
Step 1, client and DPU diagnosis joint is provided, described client comprises the client data processing module, be electrically connected at the first communication module of client data processing module, be electrically connected at the alarm module of client data processing module and be electrically connected at the first memory module of client data processing module, described DPU diagnosis joint comprises microprocessor, be electrically connected at the second communication module of microprocessor, be electrically connected at the second memory module of microprocessor, be electrically connected at the DPU data processing module of microprocessor and be electrically connected at the switch arrays module of microprocessor;
Step 2, connection DPU diagnosis joint are on the vehicle diagnosis interface;
The second communication module communication connection of the first communication module of step 3, client and DPU diagnosis joint;
Step 4, client send the diagnosis request according to default program from trend DPU diagnosis joint, the microprocessor of DPU diagnosis joint receives this diagnosis request, and the corresponding diagnostic routine file that is stored in this second memory module according to this diagnosis request call sends the DPU data processing module to, described DPU data processing module moves this diagnostic routine file, and sending operation result to microprocessor, microprocessor is according to this operation result gauge tap array module and vehicle diagnosis interface gating;
Step 5, DPU diagnosis joint reads diagnostic data in the Auto Electronic Controlled System by the vehicle diagnosis interface, and sends this diagnostic data to client;
Step 6, this diagnostic data of client, and by the client data processing module this diagnostic data and the pre-stored normal operational factor of automobile in the first memory module are compared, draw the numerical value of comparing result data;
Step 7, client data processing module compare the numerical value of these comparing result data and the normal fluctuation range value of the pre-stored normal operational factor of automobile in this first memory module, if the numerical value of these comparing result data in the normal fluctuation range value of the normal operational factor of this automobile, is not then reported to the police by alarm module;
Described client also comprises display device, this display device is electrically connected at the client data processing module, is used for the comparing result data to diagnostic data, the normal operational factor of automobile, diagnostic data and the normal operational factor of automobile, the normal fluctuation range value that reaches the normal operational factor of automobile shows.
2. the automobile automatic diagnosis method based on DPU as claimed in claim 1 is characterized in that, in the described step 6, the normal operational factor of automobile is downloaded and is stored in described the first memory module by wired or wireless mode.
3. the automobile automatic diagnosis method based on DPU as claimed in claim 1 is characterized in that, in the described step 7, the normal fluctuation range value of the normal operational factor of automobile is stored in described the first memory module by the mode of downloading or set up on their own.
4. the automobile automatic diagnosis method based on DPU as claimed in claim 1 is characterized in that, in the described step 7, if the numerical value of described comparing result data then finishes this diagnosis in the normal fluctuation range value of the normal operational factor of this automobile.
5. the automobile automatic diagnosis method based on DPU as claimed in claim 1 is characterized in that, carries out radio communication by bluetooth or wifi between described first, second communication module.
6. the automobile automatic diagnosis method based on DPU as claimed in claim 1 is characterized in that, described alarm module is the sound and light alarm module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210015329 CN102566566B (en) | 2012-01-18 | 2012-01-18 | Automatic automobile diagnosis method based on data processing unit (DPU) |
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| CN 201210015329 CN102566566B (en) | 2012-01-18 | 2012-01-18 | Automatic automobile diagnosis method based on data processing unit (DPU) |
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| CN102566566B true CN102566566B (en) | 2013-10-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102945042B (en) * | 2012-11-14 | 2015-02-18 | 深圳市元征科技股份有限公司 | Standard fault code extracting method based on professional diagnosis |
| CN102945044B (en) * | 2012-11-14 | 2015-02-18 | 深圳市元征科技股份有限公司 | Standard diagnosis method based on professional diagnosis |
| CN102981496B (en) * | 2012-11-14 | 2015-01-21 | 深圳市元征科技股份有限公司 | Remote control and data storage method based on vehicle professional diagnosis |
| CN104678990A (en) * | 2014-12-25 | 2015-06-03 | 上海通用汽车有限公司 | Method and device for vehicle self-diagnosis and vehicle self-diagnosis system |
| CN106557085A (en) * | 2016-10-27 | 2017-04-05 | 深圳市元征科技股份有限公司 | Data processing method and device |
| CN106774246A (en) * | 2016-12-07 | 2017-05-31 | 麦特汽车服务股份有限公司 | In-car parameters remote control device and vehicle refitting method |
| CN108445860B (en) * | 2018-01-31 | 2021-02-12 | 深圳市元征科技股份有限公司 | Diagnostic apparatus, diagnostic request processing method, and computer-readable storage medium |
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| JP2006330827A (en) * | 2005-05-23 | 2006-12-07 | Fujitsu Ten Ltd | Electronic controller and data storage method for electronic control equipment |
| JP2008242747A (en) * | 2007-03-27 | 2008-10-09 | Denso Corp | Failure detection device |
| CN201152940Y (en) * | 2007-12-05 | 2008-11-19 | 北京宝特莱科技发展有限责任公司 | Automatic synthetic fault remote detection system based on wireless network |
| CN101482752A (en) * | 2008-01-10 | 2009-07-15 | 厦门雅迅网络股份有限公司 | Method for implementing real-time vehicle remote fault analysis through GPS positioning and mobile communication |
| CN101718991B (en) * | 2009-11-06 | 2015-05-27 | 深圳市元征软件开发有限公司 | Vehicle diagnosis system and method based on mobile phone platform |
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