CN101718991B - Vehicle diagnosis system and method based on mobile phone platform - Google Patents
Vehicle diagnosis system and method based on mobile phone platform Download PDFInfo
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- CN101718991B CN101718991B CN200910110109.XA CN200910110109A CN101718991B CN 101718991 B CN101718991 B CN 101718991B CN 200910110109 A CN200910110109 A CN 200910110109A CN 101718991 B CN101718991 B CN 101718991B
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Abstract
The invention relates to vehicle diagnosis system and method based on a mobile phone platform. The system comprises a vehicle electric control unit, a diagnosis communication box, and an intelligent mobile phone provided with an embedded operating system, wherein the diagnosis communication box is inserted in the vehicle electric control unit and carries out wireless or wire data communication with the intelligent mobile phone; and the intelligent mobile phone is internally provided with a diagnosis application program, carries out information interaction with the diagnosis communication box through operating the diagnosis application program, and further checks vehicle diagnosis information and sends corresponding function operating commands. In the vehicle diagnosis system and method based on the mobile phone platform, the traditional mobile phone equipment is fully utilized on the basis of the mobile phone platform, the cost is considered, and the function of the vehicle diagnosis system and the friendless of interfaces are enriched; a vehicle owner can check the health condition of the self vehicle by using the self mobile phone to operate the diagnosis software of the vehicle as long as being near the vehicle, and can give a certain reference and help for some simple maintenances, and better meets the requirements on respective vehicle diagnosis.
Description
Technical field
The present invention relates to a kind of automotive diagnostic system and method, particularly relate to a kind of automotive diagnostic system based on cell phone platform and method.
Background technology
Automobile is the most familiar, the modal vehicles of people, and it plays very important effect in people's life.Although automobile varying quality, various informative, they are all inevitably various fault in use, needs got rid of or repair in time.Along with the development of society and the progress of science and technology, the design and production of automobile also more and more have employed electronic technology, automatic technology and electronic computer technology, this makes the automaticity of automobile more and more higher on the one hand, performance is more superior, flexibly more convenient to operate, also have higher requirement to auto repair and detection on the other hand, traditional craft monitoring and maintenance mode can not meet the maintenance needs of new automobile.
Along with the develop rapidly of automobile automatic control technology, adopt the systems grow of conputer controlled many, vehicle structure also becomes increasingly complex, the fault diagnosis of automobile also becomes and becomes increasingly complex, simultaneously, the vehicle condition of automobile and security are the cardinal tasks that everyone is concerned about very much, increasing car owner and automotive hobbyist more focus on maintenance to vehicle itself and daily servicing, wish by the real-time understanding of vehicle trouble messages and assurance, thus can be safer, more reliable, economically automobile is used, safeguard, especially when driving to go away, car owner wishes oneself to check whether vehicle condition has fault, guarantee that oneself is relieved.The specialized maintenance equipment in automobile maintenance station, 4S shop is belonged to owing to being exclusively used in vehicle failure demoder, cost is compared with high and equipment volume is large, be not easy to general car owner and automotive hobbyist uses and carries, and small-sized vehicle diagnosis code reading card, because of itself product design and structure, comparatively detailed automotive diagnostic information can not be shown, the demand that car owner and automotive hobbyist understand running state of the vehicle immediately cannot be met.
There is various individual diagnostic products in the market, but this equipment is all freestanding, equipment must there is the display of oneself, the parts such as process, and this series products is all generally miscellaneous goods, for cost consideration, be all adopt chip microcontroller, functionally and friendly interface aspect all compare shortcoming.
Summary of the invention
The object of the invention is to, provide a kind of automotive diagnostic system based on cell phone platform, this system, based on cell phone platform, makes full use of existing cell phone apparatus, meets the demand of respective vehicle diagnosis better, the diagnostic message of understanding vehicle that can be instant.
Another object of the present invention is to, a kind of vehicle diagnosis method based on cell phone platform is provided, the existing resource of the method Appropriate application, consider cost, enrich the function of equipment and the friendly at interface, the diagnostic message of instant understanding vehicle separately can be facilitated.
For achieving the above object, the invention provides a kind of automotive diagnostic system based on cell phone platform, it comprises: automobile electronic control unit, diagnosis communication box and possess the smart mobile phone of embedded OS, this diagnosis communication box is inserted on automobile electronic control unit, itself and smart mobile phone carry out wireless or cable data communication, diagnosis of application program is provided with in this smart mobile phone, smart mobile phone carries out information interaction by this diagnosis of application program of operation and diagnosis communication box, and then checks automotive diagnostic information and send corresponding functional command.
Described automobile electronic control unit is provided with automobile specified diagnose connector, and diagnosis communication box is provided with OBD16 joint, and diagnosis communication box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
Host CPU, communication module and power module is provided with in described diagnosis communication box, this host CPU is by data line and usb circuit communication, by UART interface and communication module communication, by CAN, UART or GPIO interface and the communication of diagnose interface circuit, this host CPU also passes through I
2c interface is connected with a clock circuit, its also by spi bus to data-carrier store record data; Power module is powered to above-mentioned host CPU, communication module, usb circuit, diagnosis communication interface, clock circuit and data-carrier store.
Described communication module is bluetooth or WiFi communication module, and diagnosis communication box carries out wireless data communication by a kind of communication module in this two module and smart mobile phone; This diagnosis communication box also carries out cable data communication by data line and smart mobile phone.
Be provided with bluetooth communication module in described smart mobile phone, smart mobile phone carries out information interaction by the communication module of this bluetooth communication module and diagnosis communication box.
The present invention also provides a kind of vehicle diagnosis method based on cell phone platform, and the method comprises:
Step 1, provides the smart mobile phone that possesses embedded OS, writes vehicle diagnosis application program in this smart mobile phone;
Step 2, is inserted on the automobile specified diagnose connector of automobile electronic control unit by a diagnosis communication box;
Step 3, automobile is powered to diagnosis communication box by this separate diagnostic seat, and diagnosis communication box is standby;
Step 4, start the vehicle diagnosis application program in smart mobile phone, communication set up by this smart mobile phone and diagnosis communication box;
Step 5, smart mobile phone enters into automobile function Diagnostics Interfaces, sends corresponding function command to diagnosis communication box;
Step 6, diagnosis communication box carries out communication according to the function command received and automobile electronic control unit, and the data received from automobile electronic control unit are returned to vehicle diagnosis program;
Step 7, vehicle diagnosis program according to the data message received, through process, by smart mobile phone interface display to user.
Described diagnosis communication box is provided with OBD16 joint, and diagnosis communication box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
Be provided with bluetooth or WiFi communication module in described diagnosis communication box, be provided with bluetooth communication module in smart mobile phone, smart mobile phone carries out information interaction by the communication module of this bluetooth communication module and diagnosis communication box.
Described step 4 comprises: step 4.1, the vehicle diagnosis application program started in smart mobile phone; The bluetooth communication module function of step 4.2, startup smart mobile phone; The bluetooth communication module automatic search of step 4.3, smart mobile phone also matches with the communication module of diagnosis communication box; Step 4.4, between smart mobile phone and diagnosis communication box, set up communication.
The bluetooth communication coverage of described smart mobile phone and diagnosis communication box is 50m.
Beneficial effect of the present invention: the automotive diagnostic system based on cell phone platform of the present invention and method, it is based on cell phone platform, make full use of existing cell phone apparatus, consider cost, enrich the function of equipment and the friendly at interface, as long as car owner is near car, run the diagnostic software of its vehicle with the mobile phone of oneself, just can check at any time and oneself love the health status of car and give certain reference and help to some simplified overhaulings, meet the demand of respective vehicle diagnosis better.
In order to further understand feature of the present invention and technology contents, refer to following detailed description for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention describe in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the structural representation of the automotive diagnostic system that the present invention is based on cell phone platform;
Fig. 2 is block diagram and the fundamental diagram of diagnosis communication box in the present invention;
Fig. 3 is the schematic flow sheet of the vehicle diagnosis method that the present invention is based on cell phone platform.
Embodiment
For further setting forth the technological means and effect thereof that the present invention takes, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
As shown in Figure 1, for the present invention is based on the structural representation of the automotive diagnostic system of cell phone platform, it comprises: automobile electronic control unit (ECU) 10, diagnosis communication box 20, and the smart mobile phone 30 that possesses embedded OS, this diagnosis communication box 20 is inserted on automobile electronic control unit 10, itself and smart mobile phone 30 carry out wireless or cable data communication, diagnosis of application program is provided with in this smart mobile phone 30, smart mobile phone carries out information interaction by this diagnosis of application program of operation and diagnosis communication box 20, and then check automotive diagnostic information and send corresponding functional command.
As shown in Figure 2, for block diagram and the fundamental diagram of diagnosis communication box in the present invention, this automobile electronic control unit 10 is provided with automobile specified diagnose connector (not shown), diagnosis communication box 20 is provided with OBD16 joint, and diagnosis communication box 20 is inserted on the automobile specified diagnose connector of automobile electronic control unit 10 by this OBD16 joint.Host CPU 21, communication module 22 and power module 23 is provided with in this diagnosis communication box 20, this host CPU 21 is by data line and usb circuit 24 communication, by UART interface and communication module 22 communication, by CAN, UART or GPIO interface and diagnose interface circuit 25 communication, complete the diagnostic function to automobile; This host CPU 21 also passes through I
2c interface is connected with a clock circuit 26, for data record merit provides real-time time; It also records data by spi bus to FLASH data-carrier store 27, the value of some premium-class traffics of autostore, is convenient to lead the laggard row data analysis of PC by USB.Further, described power module 23 provides 5V power supply to above-mentioned host CPU 21, communication module 22, usb circuit 24 and clock circuit 26 etc., provides 3V power supply, provide 12/24V power supply to diagnose interface circuit 25 to FLASH data-carrier store 27.Described diagnosis communication box 20 is provided with bluetooth or WiFi communication module, and it carries out wireless data communication by a kind of communication module in this two module and smart mobile phone 30; This diagnosis communication box 20 also carries out cable data communication by data line D0 ~ D7 and smart mobile phone 30, provides a kind of compatible for wired mode, realizes wire communication mode with mobile phone.In addition, bluetooth communication module is provided with in described smart mobile phone 30, smart mobile phone 30 carries out information interaction by the communication module 22 of this bluetooth communication module and diagnosis communication box 20, so be convenient to car owner check at any time oneself like car health status and give certain reference and help to some simplified overhaulings.
As shown in Figure 3, present invention also offers a kind of vehicle diagnosis method based on cell phone platform, the method comprises:
Step 1, provides the smart mobile phone that possesses embedded OS, writes vehicle diagnosis application program in this smart mobile phone.This vehicle diagnosis application program is the diagnosis of application program write according to the corresponding kit of smart mobile phone specially, and it has been responsible for the diagnostic function of vehicle specially.At present, the speed of development of mobile phone is swift and violent, its software function is powerful gradually, some intelligent machines reach the level of PC notebook all soon, and its application software development platform is wide-open, everybody can be allowed to design oneself applicable small software, meet the different demands of individual, therefore, for vehicle diagnosis method of the present invention provides a good platform.
Step 2, is inserted in a diagnosis communication box on the automobile specified diagnose connector of automobile electronic control unit.This diagnosis communication box is provided with OBD16 joint, and diagnosis communication box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
Step 3, automobile is powered to diagnosis communication box by this separate diagnostic seat, and diagnosis communication box is standby.
Step 4, start the vehicle diagnosis application program in smart mobile phone, communication set up by this smart mobile phone and diagnosis communication box.Be provided with bluetooth or WiFi communication module in this diagnosis communication box, be provided with bluetooth communication module in smart mobile phone, smart mobile phone carries out information interaction by the communication module of this bluetooth communication module and diagnosis communication box.This step 4 comprises further: step 4.1, the vehicle diagnosis application program started in smart mobile phone; The bluetooth communication module function of step 4.2, startup smart mobile phone; The bluetooth communication module automatic search of step 4.3, smart mobile phone also matches with the communication module of diagnosis communication box; Step 4.4, between smart mobile phone and diagnosis communication box, set up communication.
Step 5, smart mobile phone enters into automobile function Diagnostics Interfaces, sends corresponding function command to diagnosis communication box.
Step 6, diagnosis communication box carries out communication according to the function command received and automobile electronic control unit, and the data received from automobile electronic control unit are returned to vehicle diagnosis program.
Step 7, vehicle diagnosis program according to the data message received, through process, by smart mobile phone interface display to user.Because the bluetooth communication coverage of smart mobile phone and diagnosis communication box is 50m, as long as car owner is near car within 50m, just can run the diagnosis of application program of its car with the mobile phone of oneself, check at any time and oneself love the health status of car and give certain reference and help to some simplified overhaulings.
In sum, automotive diagnostic system based on cell phone platform of the present invention and method, it is based on cell phone platform, make full use of existing cell phone apparatus, consider cost, enrich the function of equipment and the friendly at interface, as long as car owner is near car, run the diagnostic software of its vehicle with the mobile phone of oneself, just can check at any time and oneself love the health status of car and give certain reference and help to some simplified overhaulings, meet the demand of respective vehicle diagnosis better.
The above, for the person of ordinary skill of the art, can make other various corresponding change and distortion according to technical scheme of the present invention and technical conceive, and all these change and be out of shape the protection domain that all should belong to the claims in the present invention.
Claims (8)
1. based on a vehicle diagnosis method for cell phone platform, it is characterized in that, comprise the steps:
Step 1, provides the smart mobile phone that possesses embedded OS, writes vehicle diagnosis application program in this smart mobile phone;
Step 2, is inserted on the automobile specified diagnose connector of automobile electronic control unit by a diagnosis communication box;
Step 3, automobile is powered to diagnosis communication box by this separate diagnostic seat, and diagnosis communication box is standby;
Step 4, start the vehicle diagnosis application program in smart mobile phone, communication set up by this smart mobile phone and diagnosis communication box;
Step 5, smart mobile phone enters into automobile function Diagnostics Interfaces, sends corresponding function command to diagnosis communication box;
Step 6, diagnosis communication box carries out communication according to the function command received and automobile electronic control unit, and the data received from automobile electronic control unit are returned to vehicle diagnosis program;
Step 7, vehicle diagnosis program according to the data message received, through process, by smart mobile phone interface display to user;
Described diagnosis communication box is provided with OBD16 joint, and diagnosis communication box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
2. as claimed in claim 1 based on the vehicle diagnosis method of cell phone platform, it is characterized in that, bluetooth or WiFi communication module is provided with in described diagnosis communication box, be provided with bluetooth communication module in smart mobile phone, smart mobile phone carries out information interaction by the communication module of this bluetooth communication module and diagnosis communication box.
3. as claimed in claim 2 based on the vehicle diagnosis method of cell phone platform, it is characterized in that, described step 4 comprises: step 4.1, the vehicle diagnosis application program started in smart mobile phone; The bluetooth communication module function of step 4.2, startup smart mobile phone; The bluetooth communication module automatic search of step 4.3, smart mobile phone also matches with the communication module of diagnosis communication box; Step 4.4, between smart mobile phone and diagnosis communication box, set up communication.
4., as claimed in claim 3 based on the vehicle diagnosis method of cell phone platform, it is characterized in that, the bluetooth communication coverage of described smart mobile phone and diagnosis communication box is 50m.
5. one kind adopts the automotive diagnostic system of vehicle diagnosis method as claimed in claim 1, it is characterized in that, comprise automobile electronic control unit, smart mobile phone that diagnosis communication box and possesses embedded OS, this diagnosis communication box is inserted on automobile electronic control unit, itself and smart mobile phone carry out wireless or cable data communication, diagnosis of application program is provided with in this smart mobile phone, smart mobile phone carries out information interaction by this diagnosis of application program of operation and diagnosis communication box, and then checks automotive diagnostic information and send corresponding functional command;
Described automobile electronic control unit is provided with automobile specified diagnose connector, and diagnosis communication box is provided with OBD16 joint, and diagnosis communication box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
6. automotive diagnostic system as claimed in claim 5, it is characterized in that, host CPU, communication module and power module is provided with in described diagnosis communication box, this host CPU is by data line and a usb circuit communication, by UART interface and communication module communication, by CAN, UART or GPIO interface and the communication of diagnose interface circuit, this host CPU also passes through I
2c interface is connected with a clock circuit, its also by spi bus to data-carrier store record data; Power module is powered to above-mentioned host CPU, communication module, usb circuit, diagnosis communication interface, clock circuit and data-carrier store.
7. automotive diagnostic system as claimed in claim 6, it is characterized in that, described communication module is bluetooth or WiFi communication module, and diagnosis communication box carries out wireless data communication by a kind of communication module in two modules and smart mobile phone; This diagnosis communication box also carries out cable data communication by data line and smart mobile phone.
8. automotive diagnostic system as claimed in claim 6, it is characterized in that, be provided with bluetooth communication module in described smart mobile phone, smart mobile phone carries out information interaction by the communication module of this bluetooth communication module and diagnosis communication box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910110109.XA CN101718991B (en) | 2009-11-06 | 2009-11-06 | Vehicle diagnosis system and method based on mobile phone platform |
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| CN200910110109.XA CN101718991B (en) | 2009-11-06 | 2009-11-06 | Vehicle diagnosis system and method based on mobile phone platform |
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| CN101718991A CN101718991A (en) | 2010-06-02 |
| CN101718991B true CN101718991B (en) | 2015-05-27 |
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