CN102968115A - Automobile fault diagnosis indicating system and method - Google Patents
Automobile fault diagnosis indicating system and method Download PDFInfo
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Abstract
The invention discloses an automobile fault diagnosis indicating system and a method. The automobile fault diagnosis indicating method comprises the following steps that: S1, an electronic control unit acquires automobile fault diagnosis information and converts the automobile fault diagnosis information into a network signal; S2, a hardware communication module acquires the network signal from the electronic control unit and performs data conversion on the network signal; and S3, a data analysis module performs analysis processing on data from the hardware communication module and indicates the analyzed data. By the automobile fault diagnosis indicating system and the automobile fault diagnosis indicating method, network peer linkage between the electronic control unit and the hardware communication module is established; fault diagnosis data information in the electronic control unit is read and is analyzed by the data analysis module; and the information is indicated on a multimedia terminal in the form of sound, word or image. By the automobile fault diagnosis indicating system and the automobile fault diagnosis indicating method, the multimedia terminal and the electronic control unit of an automobile are effectively combined, so that an automobile fault and data display function of the multimedia terminal is realized; the utilization rate of the multimedia terminal of the automobile is increased; and the efficiency of reading the diagnosis information of the electronic control unit is improved.
Description
Technical field
The invention belongs to the Automobile Failure Diagnosis Technology field, what be specifically related to is a kind of automobile failure diagnosis prompt system and method, mainly utilize the car multimedia terminal with data or the vehicle trouble information of automobile, show and remind with the form of sound, literal or image.
Background technology
Along with the develop rapidly of electronic information technology and the continuous change of auto manufacturing, the fusion of auto manufacturing technology and electronic information technology has been trend of the times.The application of electronic information technology all has a very important role to the dynamic property that improves automobile, security, comfortableness, the feature of environmental protection and the fermentation such as recreational.Utilize electronic information technology that automobile and multimedia equipment are carried out effective combination, at automobile the trend that multimedia equipment has become present development of automobile is installed, and the multimedia equipment of installing on the automobile, such as car audio system, Vehicular navigation system, reverse radar system etc., the multimedia terminals such as sound, visual screen all are installed, but these multimedia terminals have powerful data and the information processing function mostly, but the function of its use only limits to the simple function of single module own, and utilization factor is lower.
Because the continuous renewal of automobile ECU (Electronic Control Unit, electronic control unit) technology development, the automobile communication network that is comprised of the ECU of difference in functionality, but the state of Real Time Monitoring vehicle are for the travelling of vehicle, safe etc. escorts.And the function mode of ECU is at present: when automobile produces fault, and non-emergent great unusually can showing in instrument, other failure message all is stored in the storer of ECU itself, need to just can read by the equipment of special use.
Based on the problems referred to above, the failure message that how automobile ECU is obtained carries out the correspondence demonstration in the car multimedia terminal, is the problem of the required solution of present automaker.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of automobile failure diagnosis prompt system and method, utilize the car multimedia terminal with data or the vehicle trouble information of automobile, show and remind with the form of sound, literal or image, need to be by the problem that specialized equipment just can read and the car multimedia termination function is single, utilization ratio is lower to solve present automobile fault information.
The objective of the invention is to be achieved through the following technical solutions.
A kind of automobile failure diagnosis prompt system comprises electronic control unit and multimedia terminal, wherein also includes:
The hardware communication module is used for obtaining the network signal from electronic control unit, and this network signal is carried out data-switching;
Data analysis module is connected with the hardware communication module, be used for the data analysis from the hardware communication module is processed, and the data after will processing sends to the multimedia terminal and point out.
Preferably, this system also includes a wireless communication module that is connected with data analysis module, and this wireless communication module is used for the data correspondence that data analysis module is processed is sent to the remote vehicle monitor terminal.
Preferably, described wireless communication module is the GPRS module.
Preferably, described electronic control unit is connected with the hardware communication module by the network physical connector, and described network physical connector is used for foundation and links with the network between the electronic control unit is reciprocity.
Preferably, described hardware communication module obtains in the network signal from electronic control unit and includes the automobile failure diagnosis data message.
In addition, the present invention also provides a kind of automobile failure diagnosis reminding method, comprising:
S2, hardware communication module obtain the network signal from electronic control unit, and this network signal is carried out data-switching;
S3, data analysis module are processed the data analysis from the hardware communication module, and the data after the analyzing and processing are pointed out.
Preferably, comprise before the S2: S1, electronic control unit obtain automobile fault diagnosis information, and convert network signal to;
Preferably, comprise before the S1: the hardware communication module links with the network between the electronic control unit is reciprocity by the foundation of network physical connector.
Preferably, S3 comprises:
Data analysis module is processed the data analysis from the hardware communication module, and analysis processing result is sent to the multimedia terminal, by the multimedia terminal analysis result is showed with the form of sound, literal, image.
Preferably, S3 comprises:
Data analysis module is processed the data analysis from the hardware communication module, and analysis processing result is sent to the remote vehicle monitor terminal by wireless communication module, shows by the remote vehicle monitor terminal.
The present invention compared with prior art, beneficial effect is: automobile failure diagnosis prompt system provided by the invention and method, link with the network between the hardware communication module is reciprocity by setting up electronic control unit, fault diagnosis data message in the read electric control module, and carry out analyzing and processing by data analysis module, this information is carried out corresponding information indicating with the form of sound, literal or image in the multimedia terminal.The present invention carries out effective combination with multimedia terminal and vehicle electronic control unit, has increased vehicle failure and the data display function of multimedia terminal, has improved the utilization factor of car multimedia terminal; Improved simultaneously read electric control module diagnostic message efficient.
Description of drawings
Fig. 1 is system principle diagram of the present invention.
Fig. 2 is principle of work process flow diagram of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
See also shown in Figure 1ly, Fig. 1 is system principle diagram of the present invention.The present invention is to provide a kind of automobile failure diagnosis prompt system, being mainly used in solving present automobile fault information need to be by the problem that specialized equipment just can read and the car multimedia termination function is single, utilization ratio is lower.
Wherein native system includes and comprises electronic control unit and the multimedia terminal that is installed in the automobile, described electronic control unit is comprised of large scale integrated circuits such as microprocessor, CPU, storer, ROM, RAM, input/output interface I/O, modulus converter A/D and shaping, drivings, it is mainly used in the state of monitoring vehicle, diagnosing malfunction to automobile, obtain diagnostic message, and the storage automobile fault information; The multimedia terminal is the automobile display alarm equipment with sound and visual screen, includes car audio system, Vehicular navigation system, reverse radar system etc.
Wherein also include in this system: network physical connector, hardware communication module, data analysis module and wireless communication module.The network physical connector is used for foundation and links with the network between the electronic control unit is reciprocity, and therefrom draws foldback circuit; Hardware communication module one end is connected with the network physical connector, is used for obtaining the network signal from electronic control unit, and this network signal is carried out data-switching, and the other end then is connected with data analysis module; Data analysis module, be used for the data analysis from the hardware communication module is processed, and the data after will processing send to the multimedia terminal and point out, or the wireless communication module (GPRS module) by being connected with data analysis module, the data correspondence that data analysis module is processed sends to the remote vehicle monitor terminal, carries out remote monitoring.
Wherein said hardware communication module need to meet ISO 9141-2, K/Llins,, SAE-J1850 VPW, SAE-J1850 PWM, CAN ISO 11898 ISO15765-4, at a high speed, the vehicle network communication module physics requirement such as middling speed and low speed CAN.Data analysis module requires to be the chip (have ARM7 or M3 processor) of processing power more than 60MHz, and the hardware system that can carry out data analysis.
If above-mentioned multimedia terminal has enough processing poweies, also can directly use the process chip of multimedia terminal to replace data analysis module; If data analysis module is different from the multimedia terminal process chip, both can utilize wired (such as UART, LIN network) or modes such as wireless (Wifi, bluetooths) to carry out communication to connect alternately.
Native system is with data or the vehicle trouble information of automobile, show and remind in the car multimedia terminal with the form of sound, literal or image, realized that the user quick and precisely reads automobile fault information, increase simultaneously vehicle failure and the data display function of multimedia terminal, improved the utilization factor of multimedia terminal; Avoided automobile fault information to be stored in the storer of ECU own, the problem that need to just can read by the equipment of special use.
More than be the explanation to automobile failure diagnosis prompt system of the present invention, be further described below in conjunction with 2 pairs of automobile failure diagnosis reminding methods of the present invention of accompanying drawing.
See also shown in Figure 2ly, Fig. 2 is principle of work process flow diagram of the present invention.The present invention also provides a kind of automobile failure diagnosis reminding method, and it comprises that specifically step is as follows:
At first the hardware communication module links with the network between the electronic control unit is reciprocity by the foundation of network physical connector.
S1, electronic control unit obtain automobile fault diagnosis information, and convert network signal to;
S2, hardware communication module obtain the network signal from electronic control unit, and this network signal is carried out data-switching;
S3, data analysis module are processed the data analysis from the hardware communication module, and the data after the analyzing and processing are pointed out.
Data analysis module is processed the data analysis from the hardware communication module, and analysis processing result is sent to the multimedia terminal, by the multimedia terminal analysis result is showed with the form of sound, literal, image.
Data analysis module is processed the data analysis from the hardware communication module, and analysis processing result is sent to the remote vehicle monitor terminal by wireless communication module, shows by the remote vehicle monitor terminal.
The present invention is in the process of Vehicle Driving Cycle; can be by vehicle network be monitored; real-time analysis goes out the unusual or vehicle condition of various types of vehicles; analysis result is presented to vehicle user timely; thereby reach the minimizing potential safety hazard, increase vehicle safety, guarantee to drive the purpose with the passenger personal safety as well as the property safety; with respect to the data monitoring mode based on diagnose interface, the present invention has the high advantage of real-time.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an automobile failure diagnosis prompt system comprises electronic control unit and multimedia terminal, characterized by further comprising:
The hardware communication module is used for obtaining the network signal from electronic control unit, and this network signal is carried out data-switching;
Data analysis module is connected with the hardware communication module, be used for the data analysis from the hardware communication module is processed, and the data after will processing sends to the multimedia terminal and point out.
2. automobile failure diagnosis prompt system according to claim 1, characterized by further comprising a wireless communication module that is connected with data analysis module, this wireless communication module is used for the data correspondence that data analysis module is processed is sent to the remote vehicle monitor terminal.
3. automobile failure diagnosis prompt system according to claim 2 is characterized in that described wireless communication module is the GPRS module.
4. automobile failure diagnosis prompt system according to claim 1, it is characterized in that described electronic control unit is connected with the hardware communication module by the network physical connector, described network physical connector is used for foundation and links with the network between the electronic control unit is reciprocity.
5. automobile failure diagnosis prompt system according to claim 1 is characterized in that described hardware communication module obtains in the network signal from electronic control unit to include the automobile failure diagnosis data message.
6. automobile failure diagnosis reminding method is characterized in that comprising:
S2, hardware communication module obtain the network signal from electronic control unit, and this network signal is carried out data-switching;
S3, data analysis module are processed the data analysis from the hardware communication module, and the data after the analyzing and processing are pointed out.
7. automobile failure diagnosis reminding method according to claim 6 is characterized in that comprising before the S2:
S1, electronic control unit obtain automobile fault diagnosis information, and convert network signal to.
8. automobile failure diagnosis reminding method according to claim 7 is characterized in that comprising before the S1: the hardware communication module by the network physical connector set up with electronic control unit between the network equity link.
9. automobile failure diagnosis reminding method according to claim 6 is characterized in that S3 comprises:
Data analysis module is processed the data analysis from the hardware communication module, and analysis processing result is sent to the multimedia terminal, by the multimedia terminal analysis result is showed with the form of sound, literal, image.
10. automobile failure diagnosis reminding method according to claim 6 is characterized in that S3 comprises:
Data analysis module is processed the data analysis from the hardware communication module, and analysis processing result is sent to the remote vehicle monitor terminal by wireless communication module, shows by the remote vehicle monitor terminal.
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| CN201210484352XA CN102968115A (en) | 2012-11-23 | 2012-11-23 | Automobile fault diagnosis indicating system and method |
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| CN201210484352XA CN102968115A (en) | 2012-11-23 | 2012-11-23 | Automobile fault diagnosis indicating system and method |
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Cited By (4)
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| CN105592165A (en) * | 2016-02-02 | 2016-05-18 | 中国科学院深圳先进技术研究院 | Network system connected with controllers in vehicles |
| CN107727408A (en) * | 2017-10-12 | 2018-02-23 | 苏州艾酷玛赫设备制造有限公司 | A kind of automotive check method |
| CN107942992A (en) * | 2017-10-16 | 2018-04-20 | 北汽福田汽车股份有限公司 | A kind of method, multimedia equipment and the vehicle of multimedia equipment diagnosis vehicle trouble |
| CN112509178A (en) * | 2020-12-09 | 2021-03-16 | 湖南联科科技有限公司 | Automobile fault information display method and device, terminal equipment and storage medium |
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Cited By (5)
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| CN112509178A (en) * | 2020-12-09 | 2021-03-16 | 湖南联科科技有限公司 | Automobile fault information display method and device, terminal equipment and storage medium |
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Application publication date: 20130313 |