CN102566566A - 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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- CN102566566A CN102566566A CN2012100153296A CN201210015329A CN102566566A CN 102566566 A CN102566566 A CN 102566566A CN 2012100153296 A CN2012100153296 A CN 2012100153296A CN 201210015329 A CN201210015329 A CN 201210015329A CN 102566566 A CN102566566 A CN 102566566A
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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 automobile 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 is effectively developed.
But because traditional market factor; The multi-functional professional diagnosis equipment of multisystem has stupid big stupid thick, expensive characteristics, and the customer group is an orthodox car maintenance factory; And it is small and exquisite towards individual client's DIY equipment with it; Price is low, and is easy to operate and based on the advantages such as versatility of OBDII/EOBD system diagnostics, entered into the personal user market of home-use car gradually.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 getting into individual market because it costs an arm and a leg.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, this method can detect vehicle failure automatically, can satisfy vehicle trouble inspection needs, can greatly reduce user's operation technique threshold again, 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 through the gating of the different pins of switch arrays module, and diagnosis comprehensively.
For realizing above-mentioned purpose, the present invention provides a kind of automobile automatic diagnosis method based on DPU, and it may further comprise the steps:
Step 1, client and DPU diagnosis joint is provided; Said 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 first memory module of client data processing module, said DPU diagnosis joint comprises microprocessor, be electrically connected at the second communication module of microprocessor, be electrically connected at microprocessor second memory module, 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 first communication module of step 3, client is communicated by letter with the second communication module of DPU diagnosis joint and is connected;
In the said step 6, the normal operational factor of automobile is downloaded and is stored in said first memory module through wired or wireless mode.
In the said step 7, the normal fluctuation range value of the normal operational factor of automobile is stored in said first memory module through the mode of downloading or set up on their own.
In the said step 7, if the numerical value of said 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 through bluetooth or wifi between said first, second communication module.
Said alarm module is the sound and light alarm module.
Said client also comprises display device; This display device is electrically connected at the client data processing module, be used for to diagnostic data, the normal operational factor of automobile, diagnostic data and the normal operational factor of automobile the comparing result data, and the normal fluctuation range value of the normal operational factor of automobile show.
Beneficial effect of the present invention: the present invention provides a kind of automobile automatic diagnosis method based on DPU, and after its client and DPU diagnosis joint was communicated by letter and is connected, client was sent diagnosis request automatically; DPU diagnosis joint obtains the automobile diagnostic data according to this diagnosis request and sends client to, and client is done contrast with this automobile diagnostic data and the preset normal operational factor of automobile, draws result; And when unusual, report to the police, both satisfied vehicle failure inspection demand, can greatly reduce user's operation technique threshold again; 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 through this switch arrays module, client can read different diagnostic data, makes that diagnosis is more comprehensive.
In order further to understand characteristic 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 reference and the explanation usefulness, be not to be used for the present invention is limited.
Description of drawings
Below in conjunction with accompanying drawing, describe in detail through specific embodiments of the invention, will make technical scheme of the present invention and other beneficial effect obvious.
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 present invention provides a kind of automobile automatic diagnosis method based on DPU, and 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; Said 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 first memory module 24 of client data processing module 21, said DPU diagnosis joint 30 comprises microprocessor 31, be electrically connected at the second communication module 32 of microprocessor 31, be electrically connected at microprocessor 31 second memory module 33, 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.
Said client 20 is connected with 30 communications of DPU diagnosis joint; Said first memory module 24 stores the vehicle diagnosis expert data in advance; This vehicle diagnosis expert data comprises the normal fluctuation range of 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 said first memory module 24 through wired or wireless mode; The normal fluctuation range of the normal operational factor of this automobile is stored in said first memory module 24 through the mode of downloading or set up on their own, and 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 is connected with second communication module 32 communications of DPU diagnosis joint 30.
Said first, second communication module 22,32 is first, second wireless communication module, this first, second communication module 22, carries out radio communication through bluetooth or wifi between 32.
The client data processing module 21 of said client 20 is connected with microprocessor 31 communications of DPU diagnosis joint 30 through first, second communication module 22,32; The steering order of client data processing module 21 through storing in advance; Automatically send diagnosis request; This sending mode can be at interval and sends, and can adopt the interval time that carries in this client the interval time that this client data processing module 21 is sent diagnosis request automatically, also can set according to self-demand.
This switch arrays module 35 comprises several pins, is respectively applied for conducting vehicle diagnosis interface 40 and then reads corresponding diagnostic data, makes that diagnosis is more comprehensive, more helps maintenance and maintenance to automobile, prolongs automotive service life.
The microprocessor 31 of said DPU diagnosis joint 30 reads the diagnostic data in the Auto Electronic Controlled System through vehicle diagnosis interface 40, then this diagnostic data is sent to the client data processing module 21 of client 20 through second communication module 32 and first communication module 22.
Said client 20 also can comprise display device 25; This display device 25 is electrically connected at client data processing module 21, be used for to diagnostic data, the normal operational factor of automobile, diagnostic data and the normal operational factor of automobile the comparing result data, and the normal fluctuation range value of the normal operational factor of automobile show.
In sum, the present invention provides a kind of automobile automatic diagnosis method based on DPU, and after its client and DPU diagnosis joint was communicated by letter and is connected, client was sent diagnosis request automatically; DPU diagnosis joint obtains the automobile diagnostic data according to this diagnosis request and sends client to, and client is done contrast with this automobile diagnostic data and the preset normal operational factor of automobile, draws result; And when unusual, report to the police, both satisfied vehicle failure inspection demand, can greatly reduce user's operation technique threshold again; 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 through this switch arrays module, client can read different diagnostic data, makes that diagnosis is more comprehensive.
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 (7)
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; Said 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 first memory module of client data processing module, said DPU diagnosis joint comprises microprocessor, be electrically connected at the second communication module of microprocessor, be electrically connected at microprocessor second memory module, 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 first communication module of step 3, client is communicated by letter with the second communication module of DPU diagnosis joint and is connected;
Step 4, client are sent diagnosis request according to preset Automatic Program to DPU diagnosis joint; The microprocessor of DPU diagnosis joint receives this diagnosis request; And call the corresponding diagnostic routine file that is stored in this second memory module according to this diagnosis request and send the DPU data processing module to; Said DPU data processing module moves this diagnostic routine file, and sends operation result to microprocessor, and microprocessor is according to this operation result CS array module and vehicle diagnosis interface gating;
Step 5, DPU diagnosis joint read the diagnostic data in the Auto Electronic Controlled System through the vehicle diagnosis interface, and send this diagnostic data to client;
Step 6, client receive this diagnostic data, and through the client data processing module this diagnostic data and the normal operational factor of automobile that is stored in first memory module are in advance compared, and 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 that is stored in the normal operational factor of automobile in this first memory module in advance; 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 through alarm module.
2. the automobile automatic diagnosis method based on DPU as claimed in claim 1 is characterized in that, in the said step 6, the normal operational factor of automobile is downloaded and is stored in said first memory module through wired or wireless mode.
3. the automobile automatic diagnosis method based on DPU as claimed in claim 1 is characterized in that, in the said step 7, the normal fluctuation range value of the normal operational factor of automobile is stored in said first memory module through 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 said step 7, if the numerical value of said 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 through bluetooth or wifi between said first, second communication module.
6. the automobile automatic diagnosis method based on DPU as claimed in claim 1 is characterized in that said alarm module is the sound and light alarm module.
7. the automobile automatic diagnosis method based on DPU as claimed in claim 1; It is characterized in that; Said client also comprises display device; This display device is electrically connected at the client data processing module, be used for to diagnostic data, the normal operational factor of automobile, diagnostic data and the normal operational factor of automobile the comparing result data, and the normal fluctuation range value of the normal operational factor of automobile show.
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Cited By (7)
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CN102945042A (en) * | 2012-11-14 | 2013-02-27 | 深圳市元征科技股份有限公司 | Standard fault code extracting method based on professional diagnosis |
CN102945044A (en) * | 2012-11-14 | 2013-02-27 | 深圳市元征科技股份有限公司 | Standard diagnosis method based on professional diagnosis |
CN102981496A (en) * | 2012-11-14 | 2013-03-20 | 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 |
CN108445860A (en) * | 2018-01-31 | 2018-08-24 | 深圳市元征科技股份有限公司 | Diagnostic device, diagnosis 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 |
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CN102945042A (en) * | 2012-11-14 | 2013-02-27 | 深圳市元征科技股份有限公司 | Standard fault code extracting method based on professional diagnosis |
CN102945044A (en) * | 2012-11-14 | 2013-02-27 | 深圳市元征科技股份有限公司 | Standard diagnosis method based on professional diagnosis |
CN102981496A (en) * | 2012-11-14 | 2013-03-20 | 深圳市元征科技股份有限公司 | Remote control and data storage method based on vehicle 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 |
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 |
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 |
CN108445860A (en) * | 2018-01-31 | 2018-08-24 | 深圳市元征科技股份有限公司 | Diagnostic device, diagnosis request processing method and computer readable storage medium |
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