CN101718991A - 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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- CN101718991A CN101718991A CN200910110109A CN200910110109A CN101718991A CN 101718991 A CN101718991 A CN 101718991A CN 200910110109 A CN200910110109 A CN 200910110109A CN 200910110109 A CN200910110109 A CN 200910110109A CN 101718991 A CN101718991 A CN 101718991A
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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, relate in particular to a kind of automotive diagnostic system and method based on cell phone platform.
Background technology
Automobile is the most familiar, the modal vehicles of people, and it is bringing into play crucial effect in people's life.Although the automobile quality is different, and is various informative, they in use all various faults can occur inevitably, need in time to be got rid of or repair.Development and progress of science and technology along with society, the design of automobile has also more and more been adopted electronic technology, automatic technology and electronic computer technology with production, this makes the automaticity of automobile more and more higher on the one hand, performance is more superior, more convenient to operate flexible, also auto repair and detection are had higher requirement the maintenance needs that traditional manual monitoring and maintenance mode can not satisfy new automobile on the other hand.
Be accompanied by the develop rapidly of automobile automatic control technology, adopt the system of computer control more and more, 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 are more paid attention to maintenance and the daily servicing to vehicle itself, wish by real-time understanding and assurance vehicle trouble information, thereby can be safer, more reliable, automobile is used more economically, safeguard, especially when driving to go away, the car owner wishes oneself to check whether vehicle condition has fault, guarantees own relieved.Owing to be exclusively used in the specialized maintenance equipment that the vehicle failure demoder belongs to automobile maintenance station, 4S shop, cost is higher and equipment volume is big, being not easy to general car owner and automotive hobbyist uses and carries, and small-sized vehicle diagnosis code reading card, because of product design and the structure of itself, comparatively detailed vehicle diagnosis information can not be shown, the demand that car owner and automotive hobbyist are understood running state of the vehicle immediately can't be satisfied.
Various individual diagnostic products have appearred in the market, but this equipment all is freestanding, the demonstration of oneself must be arranged on the equipment, parts such as processing, and this series products generally all is a miscellaneous goods, for cost consideration, all be to adopt chip microcontroller, on the function and friendly interface aspect all relatively is short of.
Summary of the invention
The objective of the invention is to, a kind of automotive diagnostic system based on cell phone platform is provided, this system makes full use of existing cell phone apparatus based on cell phone platform, has satisfied the demand of vehicle diagnosis separately 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, this method is rationally utilized existing resource, considers cost, enriches the function of equipment and the friendly at interface, can make things convenient for the instant understanding diagnostic message of vehicle separately.
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, an and smart mobile phone that possesses embedded OS, this diagnosis communication box is inserted on the automobile electronic control unit, itself and smart mobile phone carry out wireless or the cable data communication, be provided with diagnosis of application program in this smart mobile phone, smart mobile phone is by moving this diagnosis of application program and the diagnosis communication box carries out information interaction, and then checks vehicle diagnosis information and send the function corresponding operational order.
Described automobile electronic control unit is provided with the automobile specified diagnose connector, and the diagnosis communication box is provided with the OBD16 joint, and the diagnosis communication box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
Be provided with host CPU, communication module and power module in the 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 the data-carrier store record data; Power module is to above-mentioned host CPU, communication module, usb circuit, diagnosis communication interface, clock circuit and data-carrier store power supply.
Described communication module is bluetooth or WiFi communication module, and the 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 the cable data communication by data line and smart mobile phone.
Be provided with bluetooth communication module in the 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 this method comprises:
Step 1 provides a smart mobile phone that possesses embedded OS, writes the vehicle diagnosis application program in this smart mobile phone;
Step 3, to the power supply of diagnosis communication box, the diagnosis communication box is ready automobile by this separate diagnostic seat;
Described diagnosis communication box is provided with the OBD16 joint, and the 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 the described diagnosis communication box, be provided with bluetooth communication module in the 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 in the smart mobile phone that starts; The bluetooth communication module function of step 4.2, startup smart mobile phone; The automatically search and match of the bluetooth communication module of step 4.3, smart mobile phone with the communication module of diagnosis communication box; Set up communication between step 4.4, smart mobile phone and the diagnosis communication box.
The bluetooth communication coverage of described smart mobile phone and diagnosis communication box is 50m.
Beneficial effect of the present invention: automotive diagnostic system and method based on cell phone platform of the present invention, 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, the car owner is as long as near car, and the mobile phone of usefulness oneself moves the diagnostic software of its vehicle, just can check at any time and oneself love the health status of car and give certain reference and help, satisfy the demand of vehicle diagnosis separately better some simplified overhaulings.
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, be not to be used for the present invention is limited.
Description of drawings
Below in conjunction with accompanying drawing,, will make technical scheme of the present invention and other beneficial effect apparent by the specific embodiment of the present invention is described in detail.
In the accompanying drawing,
Fig. 1 is the structural representation that the present invention is based on the automotive diagnostic system of cell phone platform;
Fig. 2 is the block diagram and the fundamental diagram of diagnosis communication box among the present invention;
Fig. 3 is the schematic flow sheet that the present invention is based on the vehicle diagnosis method of cell phone platform.
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.
As shown in Figure 1, structural representation for the automotive diagnostic system that the present invention is based on cell phone platform, it comprises: automobile electronic control unit (ECU) 10, diagnosis communication box 20, an and smart mobile phone 30 that possesses embedded OS, this diagnosis communication box 20 is inserted on the automobile electronic control unit 10, itself and smart mobile phone 30 carry out wireless or the cable data communication, be provided with diagnosis of application program in this smart mobile phone 30, smart mobile phone is by moving this diagnosis of application program and diagnosis communication box 20 carries out information interaction, and then checks vehicle diagnosis information and send the function corresponding operational order.
As shown in Figure 2, block diagram and fundamental diagram for diagnosis communication box among 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 the 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.Be provided with host CPU 21, communication module 22 and power module 23 in this diagnosis communication box 20, this host CPU 21 is by data line and usb circuit 24 communications, by 22 communications of UART Interface and Communication module, by CAN, UART or GPIO interface and 25 communications of diagnose interface circuit, finish diagnostic function to automobile; This host CPU 21 also passes through I
2C interface is connected with a clock circuit 26, for the data recording merit provides real-time time; Its also by spi bus to FLASH data-carrier store 27 record data, the value of storing some premium-class traffics automatically is convenient to lead the laggard line data analysis of PC by USB.Further, described power module 23 to above-mentioned host CPU 21, communication module 22, usb circuit 24, and clock circuit 26 etc. 5V is provided power supply, provide 3V power supply to FLASH data-carrier store 27, provide 12/24V power supply to diagnose interface circuit 25.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 can carry out the cable data communication by data line D0～D7 and smart mobile phone 30, and a kind of compatible for wired mode is provided, and realizes wire communication mode with mobile phone.In addition, be provided with bluetooth communication module in the 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, and then is convenient to the car owner and checks the health status of oneself liking car at any time and give certain reference and help to some simplified overhaulings.
As shown in Figure 3, the present invention also provides a kind of vehicle diagnosis method based on cell phone platform, and this method comprises:
Step 1 provides a smart mobile phone that possesses embedded OS, writes the vehicle diagnosis application program in this smart mobile phone.This vehicle diagnosis application program is the diagnosis of application program of writing according to the corresponding kit of smart mobile phone specially, and it is responsible for the diagnostic function of finishing vehicle specially.At present, the speed of development of mobile phone is swift and violent, its software function is powerful gradually, the intelligent machine that has has all reached the level of PC notebook soon, and its application software development platform is wide-open, and the little software that can allow everybody design oneself and be suitable for satisfies individual's different demands, therefore, provide a good platform for vehicle diagnosis method of the present invention.
Step 3, to the power supply of diagnosis communication box, the diagnosis communication box is ready automobile by this separate diagnostic seat.
In sum, automotive diagnostic system and method based on cell phone platform of the present invention, 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, the car owner is as long as near car, move the diagnostic software of its vehicle with oneself mobile phone, just can check at any time and oneself love the health status of car and give certain reference and help, satisfied the demand of vehicle diagnosis separately better some simplified overhaulings.
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 (10)
1. automotive diagnostic system based on cell phone platform, it is characterized in that, comprise automobile electronic control unit, diagnosis communication box, an and smart mobile phone that possesses embedded OS, this diagnosis communication box is inserted on the automobile electronic control unit, itself and smart mobile phone carry out wireless or the cable data communication, be provided with diagnosis of application program in this smart mobile phone, smart mobile phone is by moving this diagnosis of application program and the diagnosis communication box carries out information interaction, and then checks vehicle diagnosis information and send the function corresponding operational order.
2. the automotive diagnostic system based on cell phone platform as claimed in claim 1, it is characterized in that, described automobile electronic control unit is provided with the automobile specified diagnose connector, and the diagnosis communication box is provided with the OBD16 joint, and the diagnosis communication box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
3. the automotive diagnostic system based on cell phone platform as claimed in claim 1, it is characterized in that, be provided with host CPU, communication module and power module in the described diagnosis communication box, this host CPU is by a 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 the data-carrier store record data; Power module is to above-mentioned host CPU, communication module, usb circuit, diagnosis communication interface, clock circuit and data-carrier store power supply.
4. the automotive diagnostic system based on cell phone platform as claimed in claim 3 is characterized in that, described communication module is bluetooth or WiFi communication module, and the 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 the cable data communication by data line and smart mobile phone.
5. the automotive diagnostic system based on cell phone platform as claimed in claim 3 is characterized in that, is provided with bluetooth communication module in the described smart mobile phone, and smart mobile phone carries out information interaction by the communication module of this bluetooth communication module and diagnosis communication box.
6. the vehicle diagnosis method based on cell phone platform is characterized in that, comprises the steps:
Step 1 provides a smart mobile phone that possesses embedded OS, writes the vehicle diagnosis application program in this smart mobile phone;
Step 2 is inserted in a diagnosis communication box on the automobile specified diagnose connector of automobile electronic control unit;
Step 3, to the power supply of diagnosis communication box, the diagnosis communication box is ready automobile by this separate diagnostic seat;
Step 4 starts the vehicle diagnosis application program in the smart mobile phone, and this smart mobile phone and diagnosis communication box are set up communication;
Step 5, smart mobile phone enter into the automobile function Diagnostics Interfaces, send function corresponding and instruct the diagnosis communication box;
Step 6, the diagnosis communication box carries out communication according to function command that receives and automobile electronic control unit, and will return to the vehicle diagnosis program from the data that automobile electronic control unit is received;
Step 7, vehicle diagnosis program through handling, are given user by the smart mobile phone interface display according to the data message of receiving.
7. the vehicle diagnosis method based on cell phone platform as claimed in claim 6 is characterized in that described diagnosis communication box is provided with the OBD16 joint, and the diagnosis communication box is inserted on the automobile specified diagnose connector of automobile electronic control unit by this OBD16 joint.
8. the vehicle diagnosis method based on cell phone platform as claimed in claim 6, it is characterized in that, be provided with bluetooth or WiFi communication module in the described diagnosis communication box, be provided with bluetooth communication module in the smart mobile phone, smart mobile phone carries out information interaction by the communication module of this bluetooth communication module and diagnosis communication box.
9. the vehicle diagnosis method based on cell phone platform as claimed in claim 8 is characterized in that described step 4 comprises: step 4.1, the vehicle diagnosis application program in the smart mobile phone that starts; The bluetooth communication module function of step 4.2, startup smart mobile phone; The automatically search and match of the bluetooth communication module of step 4.3, smart mobile phone with the communication module of diagnosis communication box; Set up communication between step 4.4, smart mobile phone and the diagnosis communication box.
10. the vehicle diagnosis method based on cell phone platform as claimed in claim 9 is characterized in that the bluetooth communication coverage of described smart mobile phone and diagnosis communication box is 50m.
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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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