CN105610850A - Vehicle service and management system based on internet of vehicles - Google Patents

Abstract

The invention relates to the field of automobiles, embedded fields, 3G/4G wireless network communication fields, and the field of data acquisition technology. In order to store the dynamic and static information of vehicles on the server side, a series of services and management centered on vehicles can be formed through data sharing. . The technical solution adopted by the present invention is that the vehicle service and management system based on the Internet of Vehicles includes the following parts: a vehicle-mounted terminal for real-time collection of vehicle data, including data related to engine operation, vehicle speed, water temperature, fuel volume, fuel consumption, For a series of data including tire pressure, the collected real-time vehicle data is sent to the server through the 3G/4G network and stored in the corresponding database; the server is equipped with applications based on data analysis, including C/S structure and B/ The S structure can access related services provided by the server through the mobile phone client or the Web. The present invention is mainly applied to automobile communication and management occasions.

Description

Vehicle Service and Management System Based on Internet of Vehicles

technical field

The present invention relates to the field of automobile, embedded field, 3G/4G wireless network communication field, data acquisition technology field, server-side data processing field, mobile-end Andriod development field, and in particular relates to a vehicle service and management system based on Internet of Vehicles.

Background technique

According to the statistical data of the 2014 National Economic and Social Development Statistical Bulletin, the number of civilian vehicles in my country reached a record high at the end of 2014, reaching 154.47 million, an increase of 12.4% over the end of 2013. Among them, the number of civilian cars increased by 16.6%, reaching 83.07 million; private cars increased by 18.4%, reaching 75.9 million. So far, China has ranked first in the world for five consecutive years. Due to the continuous and rapid growth of car ownership, our country is currently facing huge traffic problems.

As we all know, the increase in the number of automobiles will inevitably bring opportunities and challenges to automobile-related industries. At the same time, with the development of mobile networks, the problem of how to integrate cars, computers, mobile phones, and people more closely is placed before people. However, with the improvement of living standards and the advancement of science and technology, car owners have higher expectations for driving safety, user driving experience and car informatization.

For individual car owners, when the car breaks down, the car owner who lacks car-related knowledge will directly contact the car repair or car rescue department. The car repair department or rescue department must assign technicians to the scene to check and diagnose, so as to judge the car fault and decide whether to repair it on site or tow it back to the repair point for repair. This traditional approach is time-consuming and inefficient. If there is only a small problem with the car, the owner can judge and repair it by himself, or assist in the repair remotely, which can improve the efficiency and cost of vehicle repair. For individual car owners, there are still some problems. First, before traveling, it is impossible to know the road conditions, and the best route cannot be obtained well; second, when the vehicle is stolen, the owner cannot get the alarm in time; third, it is difficult to find yourself in a large parking lot Fourthly, there is a lack of intelligent data recorder. When an accident occurs, it is hoped that the current driving record will be uploaded to the server for storage and so on.

For some third-party units, such as insurance companies, maintenance units and rescue units, the current level of information technology is low and the level of management is low. The current management regulations of my country's auto repair industry are not perfect, and the management system is also flawed. With the continuous development of the market economy, China's auto repair industry has also achieved great development, but with the increase in the number of auto repair shops, a series of problems have also emerged. A large number of auto repair factories have been established blindly without investigation and research, leading to the out-of-control development of the auto repair industry and the imbalance between supply and demand in the market, which has caused the operating conditions of auto repair companies to decline day by day. At present, my country's auto rescue market is mainly facing the following problems: first, the rescue companies are small, scattered, and weak, and they work in their own way, which is difficult to achieve; The awareness is not high; the fourth is that some enterprises have low-quality employees and backward rescue methods, unable to provide high-quality rescue services; fifth, there is no platform for centralized management and optimal dispatch of rescue units.

Due to the mobility of the car, based on the development of current wireless technology, it has become an easy and meaningful thing to realize the real-time connection of the car to the network. The 3G/4G network can not only realize the transmission of vehicle information data with a small amount of data, but also realize the transmission of video data with a large amount of data.

The present invention establishes a complete set of Internet of Vehicles vehicle information service and management system based on the Web terminal and the mobile terminal by means of the Internet of Vehicles technology and the server technology. The system includes a vehicle information collection terminal, a 3G/4G wireless communication module, a server platform, and an Android mobile terminal. The present invention needs to establish a database required by relevant services on the server platform, and the vehicle-mounted terminal collects the data of the vehicle and sends it to the server-side database in real time through the 3G/4G wireless module for storage, while the mobile phone and the server platform maintain data sharing all the time, so that the car owner can Know the condition of your car in real time through your mobile phone. And the server platform is responsible for running related application programs and can also provide corresponding services for individual car owners, insurance companies, maintenance organizations, rescue departments and other third-party units through the Web. The invention realizes the centralized storage and sharing of dynamic and static data of automobiles, and can provide more application extensions through data analysis.

Contents of the invention

In order to overcome the deficiencies of the prior art, the present invention aims to store the dynamic and static information of the vehicle on the server side, and a series of services and management centered on the vehicle can be formed through data sharing. Finally, a car-centric service and management platform will be formed to improve the information service and management level of vehicles. The technical scheme adopted in the present invention is that the vehicle service and management system based on the Internet of Vehicles includes the following parts:

Vehicle-mounted terminal, used to collect vehicle data in real time, including a series of data related to engine operation, vehicle speed, water temperature, fuel volume, fuel consumption, tire pressure, etc., and send the collected vehicle real-time data through 3G/4G network Save it to the corresponding database for the server;

The server is provided with an application program based on data analysis, including a C/S structure and a B/S structure, and realizes related services provided by the mobile phone client or the Web access server.

The server can also use the mobile phone APP to send real-time information including vehicle speed, fuel consumption, and tire pressure to the mobile phone and display it through the virtual instrument in the mobile phone application.

The server is also provided with a fault case library, through which the fault cause of the vehicle failure can be given. If the fault cannot be eliminated, an online expert system can be activated or rescue services can be adopted.

The server is also equipped with an analysis module. On the basis of collecting vehicle data, it conducts big data analysis, obtains the fuel consumption curve of the vehicle, performs vehicle failure prediction, analyzes the driving habits of the car owner, and provides the car owner with an energy-saving driving plan; at the same time, it provides insurance companies with relevant The data is used as the basis for formulating the claim level of the vehicle for the next year; the server is also equipped with an authority management mechanism and an authorization mechanism; the server is also equipped with a path planning algorithm module, which is convenient for car owners to choose the optimal travel route anytime and anywhere.

The vehicle-mounted terminal is equipped with a program initialization module, a communication interface setting module, a real-time data acquisition module, a data processing module and a data transmission module. , after it is turned on and during driving, the vehicle-mounted terminal collects the data of each interface continuously and in real time through the real-time data acquisition module at a specified fixed time interval, and performs simple data processing, including conversion, adding headers and packaging, and finally Send the data in the form of 3G/4G through the data sending module;

The server is equipped with a monitoring module, a data receiving and verification module, and an analysis and storage module, which are used to monitor the data storage request of the vehicle terminal. When receiving the request of the vehicle terminal, it will verify the data according to the registered user, and discard the data if it is not registered. If registered, the data is parsed and stored in the database.

Features and beneficial effects of the present invention are:

The invention combines the Internet of Vehicles technology to add mobile cars to the Internet to form a car-centered service and management system. This system can monitor the vehicle's operating data and geographic location in real time through a computer or mobile phone, helping car owners to remotely solve faults and choose the best rescue team. The maintenance department can obtain the first-pass information data of the vehicle with the consent of the vehicle owner, so as to speed up maintenance efficiency, improve service quality, and strengthen information management. The rescue department can accept the call of the owner of the car to be rescued through the Internet of Vehicles service platform, and use the platform to realize the best dispatching rescue plan. The insurance company can obtain more convenient and comprehensive information about the car and formulate a more reasonable claims policy. For this reason, the present invention is particularly suitable for car owners who need more intelligent services, and third-party units that need to improve information services and management levels. The applicable crowd of customers of the present invention has considerable scale.

The vehicle information service and management platform based on the Internet of Vehicles has the following advantages:

(1) This platform has the characteristics of ready-to-use. When a car owner needs this service, he can register an account and install a specific application on the car terminal. Maintenance units, rescue departments, and other relevant departments only need to register accounts to obtain access rights to obtain corresponding services and management functions. When this service is not needed, just log out of the account.

(2) Provide flexible data collection methods, without specific requirements for vehicle-mounted terminals, so that vehicles of various brands can be involved in this platform. When you need to intervene in this platform, you only need to send the corresponding data packet to the designated server according to a certain format on the vehicle terminal.

(3) Collect relevant operating data of the vehicle in real time, send the data to the server through the 3G wireless network and store it, and the server maintains real-time data sharing with the mobile phone. Car owners can understand the relevant operating data and geographical location of the car in real time through the platform. When the vehicle breaks down, this information can provide data support for the vehicle's fault diagnosis.

(4) When the vehicle breaks down, the system can give the cause of the failure through the failure case library. If the failure cannot be eliminated, the online expert system can be activated or rescue services can be taken.

(5) When a car owner cannot find his vehicle in a large parking lot, he can locate his car through his mobile phone, so that he can find his car quickly and conveniently.

(6) The anti-theft function of the car can also be realized through this platform. When the vehicle is found to be stolen, the location of the vehicle can be tracked through this platform, and when the vehicle is damaged or abnormally started, the platform will push the information to The owner's mobile phone.

(7) On the basis of collecting vehicle data, big data analysis can be carried out to obtain the fuel consumption curve of the vehicle, predict vehicle failure, analyze the driving habits of the car owner, and provide the car owner with an energy-saving driving plan, etc.

(9) Have a good authority management mechanism and authorization mechanism. Only with the permission of the owner, the maintenance department and other users who need to obtain the relevant owner's vehicle data can access the owner's vehicle information data.

(10) For maintenance units, rescue departments and insurance companies, using this platform to realize information management can greatly reduce costs.

The present invention does not only include the functions mentioned above, but only enumerates some common functions. This platform is scalable, and it can expand all functions centered on the car. This platform provides a good vehicle-to-service and management platform framework, and all functions realized on the basis of this framework should be protected.

Description of drawings:

Figure 1 The overall structure of the vehicle information service and management platform based on the Internet of Vehicles. In the figure, in the Internet mode, the user performs service and management through a PC; in the mobile terminal mode, the user wakes up the service and management through a mobile phone.

Figure 2 is a structural diagram of the acquisition and transmission of vehicle data.

Figure 3 is the flow chart of the vehicle data acquisition and transmission program.

Figure 4 Data receiving and storage software flow chart.

Figure 5 The overall architecture of service and management software.

Figure 6. User group relationship diagram of the Internet of Vehicles service management platform.

Fig. 7 The processing flow of vehicle failure.

Figure 8 Process of obtaining platform services by relevant units in the automotive industry.

Figure 9. The process for car owners to obtain platform services.

Figure 10 Link access between the mobile terminal and the server terminal. In the figure, (1) mobile terminal and server terminal access structure diagram,

(2) Mobile terminal and server terminal access flow chart.

detailed description

The purpose of the present invention is to store the dynamic and static information of the vehicle on the server side, and form a series of services and management centered on the vehicle through data sharing. The server side saves all the data of the vehicle from listing on the road to final scrapping. The data of the vehicle is collected in real time through the vehicle-mounted terminal, including data related to engine operation, vehicle speed, water temperature, fuel volume and a series of data. Save the collected real-time vehicle data to the corresponding database in the server through the 3G/4G network. The server platform provides applications based on data analysis, including C/S structure and B/S structure. Car owners, insurance companies, maintenance units, and rescue departments can access related services provided by the server through mobile phone clients or the Web. Through the present invention, a vehicle-centered service and management platform is finally formed, which improves the level of vehicle information service and management.

Function and characteristic of the present invention are as follows:

(1) The present invention mainly includes four parts, namely the data collection and transmission of the vehicle-mounted terminal, 3G/4G wireless transmission, server platform, and mobile phone app. The server platform should establish a database related to vehicle information, which can store all vehicle data. Develop related web applications and other server programs on the server platform to provide services and management for vehicles. The function of the mobile terminal is to reproduce, improve and supplement the functions of the server terminal. The key point is to enable the car owner to know the situation of his car anytime and anywhere, and realize functions such as remote car search. In addition, one of the characteristics of the present invention is that it is applicable to vehicle-mounted terminals of various brands, as long as it can collect real-time data related to the vehicle and send it to the server through the 3G/4G network according to the agreed format.

(2) When the vehicle is running normally, the vehicle-mounted terminal collects the real-time data of the vehicle's operation through the bus of the vehicle, and through the application program of the vehicle-mounted terminal, the data is packaged according to the agreed format and sent to the server through the 3G/4G wireless network, and the server receives the data Afterwards, after unpacking according to the agreement, the data is stored in the corresponding data table. At the same time, the server and the mobile phone mobile terminal maintain real-time interaction of data, and send real-time information such as vehicle speed, fuel consumption, tire pressure, etc. to the mobile phone and display them in the mobile phone application. Via virtualized meter display.

(3) The Internet of Vehicles service and management system is characterized by its unique fault expert diagnosis system in terms of service. When a car breaks down, the traditional method needs to call for professional help to solve the problem. When a functional vehicle encounters a fault, the vehicle-mounted terminal can report to the police in time, and transmit the error information to the data table in the server for recording. At the same time, a fault case library is established in the server, and the best solution can be found from the case library according to the real-time data of the vehicle. Match cases to obtain and return to the owner the most likely cause of failure. The car owner can access the server's application or the mobile phone app fault resolution function through the vehicle terminal. This function can guide the car owner step by step to solve the fault problems encountered by the vehicle. A lot of cost and time for car repairing are saved. When the problems encountered cannot be solved in the fault case library, the system also provides an expert diagnosis system. The expert diagnosis system of the present invention is realized by artificial intelligence methods such as machine learning Yes, by analyzing the vehicle failure data, the server can automatically analyze the solution and send it to the owner, so that the vehicle failure can be solved, and the solution will be entered into the failure case library. With the use of the Internet of Vehicles service and management system, the data stored in the database is becoming more and more abundant, and the data analysis function based on big data can be better utilized. Through big data analysis, we can perform fault prediction, so that we can Take timely remedial measures before vehicle problems occur to prevent problems before they happen.

(4) The characteristic of the system management is to enable third-party units such as vehicle repair centers, rescue departments, insurance companies and other departments to intelligently supervise the real-time status of vehicles or fleets, and realize intelligent management when encountering any problems.

For the vehicle maintenance center, basic information management can be realized through the present invention. The maintenance unit can quickly find the fault of the vehicle by obtaining the customer's vehicle information data, thereby speeding up the maintenance speed. At the same time, maintenance organizations can manage their own maintenance records through this system. The maintenance organization using the present invention can also attract more regular customers by providing excellent services. In this system, maintenance organizations can post their own new services, which is a manifestation of the scalability of this system.

For the rescue department, the rescue team under its jurisdiction can be managed through the present invention. When there is a rescue call, the location information of the vehicle can be obtained through this platform, and the most suitable rescue vehicle can be dispatched to rescue according to objective conditions. When the rescue is determined, the basic information of the vehicle to be rescued and the maintenance record information can be sent to the rescue vehicle through the platform, so that the general condition of the vehicle can be known in advance during the rescue, and the rescue efficiency can be accelerated.

For insurance companies, the invention can formulate a more rational claim settlement plan. When an accident occurs, the insurance company can obtain all-round accident information and vehicle damage information through this platform at the first time, and store them in the local database of the insurance company. It is possible to conduct data analysis on the information of fixed vehicles every year, and scientifically formulate the claim level of the vehicle for the next year.

(5) Through the present invention, the transparency of maintenance and rescue can be guaranteed, and the car owner can score the maintenance and rescue units through the platform, so that the maintenance units and rescue departments can be urged to provide better services. Car owners can also bookmark maintenance units and post and communicate on the platform, forming a comprehensive service platform integrating car forums and services.

(6) The system of the present invention is an open and expandable service platform. Car owners, maintenance centers, rescue departments and other third-party units that need to obtain the services of this system, they first need to register to obtain a corresponding account to connect to the platform for services. After obtaining the account, the vehicle terminal needs to install the corresponding application program to enable it to collect the corresponding real-time vehicle operation data, package the data according to the agreed format and send it to the server through the 3G/4G wireless network.

(7) The authority management of the system of the present invention can guarantee the information security of the car owner, which is different from other systems, the car networking service and management system gives the car owner authorization function. First of all, the system defaults that only the car owner can access the relevant information of his vehicle through the mobile client or browser, including the basic static information of the vehicle and the dynamic information collected in real time, and can get the analysis results of the data and give the car owner some suggestions on vehicle maintenance . When the car owner needs maintenance services, he can give the corresponding maintenance center the right to obtain information. When the maintenance center obtains the real-time data of the vehicle, it can quickly find the fault location and other hidden dangers of the vehicle according to the analysis of the data, which helps to extend the life of the vehicle. years of use. At the same time, the maintenance unit will also store the maintenance records in the database related to the vehicle. When you do not want any third-party unit to obtain your vehicle information, you only need to simply cancel the corresponding authority of the unit to realize the maintenance of yourself. Protection of Information. The system of the invention well realizes vehicle data sharing and safety management through the management of vehicle data authority.

(8) The present invention provides a method for recording the driving path of the vehicle, and sends the location information of the vehicle to the server in real time when the vehicle is running, and the owner of the vehicle can log in to the system to check. Time period query, but also query according to the location range. In addition, the present invention also provides the function of an intelligent driving recorder. Under normal circumstances, the driving record data is stored locally. When the vehicle is driving on an accident-prone road section or when the driving speed exceeds a certain threshold, the system will automatically upload the driving data to the server to prevent the loss of driving data when an accident occurs.

(9) Another feature of the present invention is that the Internet of Vehicles is introduced into the mobile terminal of the mobile phone, and the car owner can quickly and conveniently find our car in the parking lot through the vehicle positioning function of the mobile phone. When the car owner's car is stolen or damaged, even if we are at home, the corresponding information will be sent to the car owner's mobile phone as soon as possible so that the car owner can take timely countermeasures. Through the analysis of traffic information such as congested road sections, we design our own unique route planning algorithm to facilitate car owners to choose the optimal travel route anytime and anywhere. In addition to several basic functions of the mobile APP, car owners can also subscribe to add different functions through their own preferences, enrich the software functions, and improve the user experience.

The present invention realizes the comprehensive service and management platform of the vehicle by adopting the technology of the Internet of Vehicles, especially the technology of the server platform in the Internet of Vehicles. The invention stores the dynamic and static data of the car in the Internet of Vehicles server. Through this platform, all data and information of the car can be shared according to the authority, and a series of services and management centered on the car can be provided. The invention can not only provide car owners with remote fault diagnosis, intelligent driving records, etc., but also provide information management services for maintenance units and rescue departments.

The invention mainly includes a method for collecting and sending vehicle data, a method for receiving and storing data, vehicle service and management software developed based on a server, and mobile phone vehicle service management software developed based on Android. The collection and transmission of vehicle data is realized through the vehicle-mounted terminal. The present invention defines the method of collecting data and the format of transmission data, and utilizes 3G/4G wireless network to send the data to the server. The invention provides a method for receiving and storing data at the server side. The server verifies the sent data, and stores the data in a corresponding database after passing the verification. The invention also includes vehicle service and management software, mainly the server end is based on B/S structure, the mobile end exists in the form of mobile app, and the asynchronous http framework is used to realize data sharing between the server end and the mobile end. The technical scheme is as follows:

Data collection and sending method:

Each vehicle that needs to join the car networking service and management platform mentioned in the present invention needs to be equipped with a vehicle-mounted terminal with a 3G/4G module. This vehicle-mounted terminal can obtain relevant information of the vehicle through the CAN bus, and can perform simple Vehicle control, such as controlling double flashing. On the premise that the vehicle meets the above requirements, we write the vehicle data collection and transmission application program according to the operating system carried by the vehicle terminal, mainly including the data collection module and the transmission module. The data acquisition module performs simple processing on the data, including filtering and format conversion. The sending module is mainly responsible for packaging the data according to the protocol defined by itself, and then using the 3G/4G module to send it. Define a certain rule by yourself to add a header to the data, then arrange different data in a certain order to form a data packet, and finally send it by the 3G/4G module, using the TCP/IP protocol to write a Socket. The flow of the whole program is: the initialization of the collection and transmission module, the collection and processing of data, the packaging and transmission of data.

Data receiving and storage methods:

The collection and transmission of data is mainly responsible for receiving the data sent by the terminal, and analyzing and storing the data packet. The present invention adopts MySql5.1 as the database server, utilizes Socket to realize the data receiving. There is a TCP/IP listening program running on the server side, and when the data is sent to the listening port, the server side will receive the data. After receiving the data, analyze the data according to the agreed agreement, read the data packet header, and get the verification information. If you do not register on this platform, you will not pass the verification and the data will be lost immediately. Otherwise, continue to parse the following data, and then store it in the database. All data tables related to the car are pre-established in the MySql database, the static information is entered through the software platform, and the dynamic information is dynamically stored by the vehicle terminal. The entire method flow is: receiving and storing the initialization of the listening program, receiving the request, performing data analysis and judgment, and discarding or storing the data.

Vehicle service and management software:

Vehicle service and management software is the core of the present invention. It is divided into desktop and mobile. The functions of the two have a lot in common. Features unique features to enhance user experience. The software system can not only provide services for individual car owners, but also provide management and services for maintenance units, rescue departments and insurance companies. Through the present invention, a car-centered comprehensive service and management platform is finally formed. This software mainly adopts the Struts+Hibernate+Spring architecture on the desktop side to realize a functionally scalable Internet of Vehicles service and management platform. Struts provides a complete MVC development framework, which is mainly responsible for process control, that is, page turning, and data processing operations. But it almost does not directly access the database itself, but calls the related methods of the database operation class (the general name contains DAO). Hibernate is mainly responsible for data persistence operations, including adding, deleting, checking and modifying data. It operates directly on the database (strictly speaking, it encapsulates JDBC, and JDBC directly operates on the database). Spring mainly consists of IoC inversion of control, AOP aspect-oriented programming, etc. It allows programmers to program against interfaces, which is more convenient when modifying functional modules to implement codes. And because of dependency injection, programmers don't have to instantiate objects themselves. This part includes authority management module, fault diagnosis module, data analysis module, and vehicle scheduling management module. The management module is used to manage the acquisition and analysis authority of vehicle data by vehicle owners, maintenance units and rescue departments. The fault diagnosis module judges the fault unit of the vehicle according to the data of the vehicle by means of a diagnosis algorithm. The data analysis module mainly obtains fuel consumption analysis, driving behavior analysis, vehicle speed analysis, etc. based on the data. The vehicle scheduling module is responsible for vehicle scheduling, when the vehicle requests rescue, the most suitable vehicle can be dispatched for rescue. All of these are implemented through the framework and can be extended by the framework. In the design of the mobile terminal software, we also adopt the MVC design method. Firstly, the asynchronous http framework is used to realize the data sharing between the mobile terminal and the server terminal, and the access and operation of the platform database by the mobile terminal are first sent to the server by sending instructions, and then through the server. After the verification is valid, it is transferred from the server to the database for access and operation, which ensures the reliability and security of the information. The mobile terminal also integrates Baidu Maps SDK to realize navigation and vehicle positioning functions, and design a humanized UI interface to display real-time vehicle conditions and vehicle self-inspection conditions, such as displaying vehicle speed, chassis temperature, and vehicle light conditions on virtualized instruments Wait. The present invention is not limited to the functions listed above, and all functions related to vehicle individual service management and services can be realized through the extension of this platform.

The present invention will be described in further detail in conjunction with the accompanying drawings.

Figure 1 shows the overall structure of the present invention. It can be seen from the figure that the system is mainly composed of a vehicle terminal, a server and a client. And the whole system is divided into three layers of perception layer, network layer and application layer. The vehicle-mounted terminal is at the perception layer and the network layer and mainly completes the task of data collection and transmission. It requires a 3G module, a Can controller module, an RS232 serial port module, and a Beidou or GPS module. The vehicle-mounted terminal mentioned in the present invention is not of a fixed brand, as long as it can meet the functions of data collection and transmission. The vehicle-mounted terminal collects engine-related data in the ECU through Can control, collects data from other sensors through the RS232 serial port, and collects vehicle location information data through the Beidou or GPS module. Each vehicle is equipped with a vehicle-mounted terminal, which runs the data collection and transmission application program developed for the vehicle-mounted terminal in the background, and sends the data to the remote server in real time through the 3G/4G module to realize real-time data storage. The server side includes database server, Web server and data analysis server. In the present invention, the database server adopts MySql, and the Web server adopts Tomcat. Establish all the data tables required by the system in the database server, including the owner information table, vehicle data table, maintenance record table, etc. Develop a listener program for data reception and storage on the server side. When a request is received, the data is verified and stored in the corresponding data table after passing. Develop car networking service and management software in the Web server. This system adopts Struts+Hibernate+Spring architecture, uses Java language for software development, adopts MVC mode and modular development method, and realizes authority management, registration and login management on the software platform. Maintenance Unit Management Module, Rescue Department Management Module and others. After the development is completed, the software is deployed on the server for service. The data analysis server performs big data analysis on the collected data, obtains information such as the user's driving habits, and feeds back to the user. The client is composed of desktop computers and mobile devices, etc., and the desktop computers are accessed through browsers. The mobile terminal accesses through the app, and the design of the mobile terminal software also adopts the MVC design method. Firstly, the asynchronous http framework is used to realize the data sharing between the mobile terminal and the server terminal, and the access and operation of the platform database by the mobile terminal are all arrived at by sending instructions first. After the Web server is validated by the Web server, it is transferred from the Web server to the database server for access and operation, thus ensuring the reliability and security of the information. The mobile terminal also integrates Baidu Maps SDK to realize navigation and vehicle positioning functions, and design a humanized UI interface to display real-time vehicle conditions and vehicle self-inspection conditions, such as displaying vehicle speed, chassis temperature, and vehicle light conditions on virtualized instruments Wait.

Figure 2 shows the structure diagram of data collection and transmission by the vehicle-mounted terminal. The vehicle-mounted terminal has no specific brand or specific system requirements. The Beidou or GPS module is connected to the vehicle terminal through RS232, the engine data in the ECU is read through the Can bus, and other sensors are connected to the vehicle through corresponding interfaces according to the specific brand of vehicle. When the vehicle is running normally, the vehicle-mounted terminal reads the real-time data of the vehicle through these interfaces and performs simple processing. The 3G/4G module is used to connect to the network, pack and send the collected real-time data to a remote server. Vehicle owners and other authorized users can access the vehicle's health and geographic location through the system. When the vehicle breaks down, the on-board terminal stops transmitting real-time data. At this time, the user can log in to the system platform and use the platform to troubleshoot the possible cause of the failure based on the historical data of the vehicle.

Figure 3 shows the program flow chart of vehicle data collection and transmission. Figure 2 shows a hardware architecture diagram, and it is necessary to run a specific software program in the vehicle-mounted terminal to realize the functions mentioned above. The software part mainly includes program initialization module, communication interface setting module, real-time data acquisition module, data processing module and data sending module. When the vehicle is turned on, the vehicle-mounted terminal starts to initialize data collection and sending data, including various interfaces and communication modules. After it is turned on and during driving, the vehicle-mounted terminal collects the data of each interface continuously and in real time at a specified fixed time interval, and performs simple data processing, including conversion and adding headers and packaging, and finally through the 3G/4G wireless module Send the data out.

Figure 4 shows the software flow for data reception and storage. This part of the software mainly includes a monitoring module, a data receiving and verification module, and an analysis and storage module. This part of the program runs cyclically on the server side and is used to monitor the data storage request of the vehicle client. When receiving the request from the vehicle-mounted terminal, according to the registered user verification data, the data will be discarded if not registered, and the data will be parsed and stored in the database if registered.

Figure 5 shows the overall functional structure of the Internet of Vehicles service and management software platform software. This service system is functionally expandable, and the ones mentioned in the figure are just some examples. The service and management software platform adopts the Struts+Hibernate+Spring architecture, and uses the MVC development model for modular development, which has strong scalability. Under this architecture, according to the development sequence of persistence layer, DAO layer, business layer to WEB layer, MySql is used as the database as shown in Figure 1. For the persistence layer, analyze the tables involved in the module, determine the relationship between the tables, and then write HibernateMapping files and persistence classes. For the DAO layer, determine the corresponding method according to the various persistence operations required by the module, and then write the DAO interface and implementation class. For the business layer, write business logic to call DAO operations, and then write the Service method interface and implementation class. For the WEB layer, it handles the interaction between the page and the business, and performs necessary verification and conversion, writes Action and Form, and finally uses JSP to display to the user. As shown in Figure 5, the present invention is developed based on each user module in terms of function realization, which is divided into car owner function module, maintenance unit function module, rescue department module, insurance company module, etc. The development between each module is loosely coupled of.

Figure 6 shows the relationship between the user groups of the Internet of Vehicles service and management software platform. Fig. 5 shows the single user function module structure, what the present invention provides is a car-centric comprehensive service and management platform, and there are connections between different types of users. For example, the car owner can request rescue from the rescue department through the platform, contact the maintenance unit for maintenance services, etc. On the software platform, the authority management module is used to realize the access and management rights of each user group to vehicle data, and the standardization of vehicle services among various user groups is realized through the communication and evaluation system module. The solid line in the figure indicates that user groups realize their respective functions through the service platform, and the dotted line indicates that each user group realizes communication through the group. Develop corresponding applications under the software framework of the Internet of Vehicles, such as vehicle social module, second-hand transaction module, etc.

FIG. 7 is a flow chart of processing when a vehicle breaks down. For solving user faults in the car owner functional module unit mentioned in Figure 5, we adopt a layer-by-layer progressive solution. When the vehicle is running normally, the real-time running data of the vehicle is sent to the server for storage. When a vehicle breaks down, the owner only needs to log in to the Internet of Vehicles service and management platform through a mobile phone or computer device, and enter the personal center. At this time, the vehicle service and management platform will analyze the possible cause of the vehicle failure based on the historical data of the vehicle, and give solution. The user first tries to solve the fault by himself according to the solution, and can drive normally after solving it. If it cannot be solved, the system also provides an expert online diagnosis function to help the owner. If the problem cannot be solved well, the user can choose to click rescue in the personal center of the software platform. At this time, the service and management platform will select the nearest rescue department and send the rescue request to the rescue department. After receiving the request, the rescue department will send a confirmation message to the owner and obtain permission to access the vehicle data. The rescue department uses the platform to dispatch according to the location of the vehicle to be rescued, and selects the best rescue vehicle for rescue. After the rescue team confirms, log in to the software platform to view the historical data and historical maintenance records of the vehicle to be rescued, plan the rescue plan during the rescue, and quickly rush to the rescue site according to the location of the vehicle to complete the rescue.

Figure 8 shows the process of obtaining platform services for automobile-related industries. This service and management platform also has the scalability of the number of users. When the service provided by the present invention is needed, it is only necessary to register on the platform and complete relevant information. After registration and verification by the administrator, you can use this platform to help the automotive industry units realize information services and management.

What Fig. 9 shows is the implementation scheme that common car owner joins this service platform. Compared with the car-related units shown in Figure 8, individual car owners who join this service and management system still need to solve the problem of data collection and transmission by vehicle terminals. As shown in Figure 1, the vehicle-mounted terminal meets certain conditions, and it only needs to install the corresponding data collection and sending program.

Figure 10 shows the connection and access between the mobile terminal and the server, and Figure 10 (1) is an overall structural diagram of the mobile terminal and the server. They access and transfer data through the http protocol to achieve data sharing. The main function of the mobile terminal is to enable car owners to manage and grasp the situation of their vehicles in real time, and displaying them through the app can make the operation more convenient, the interface more beautiful, and improve the user experience. . The flow chart of data transfer is shown in Figure 10(2). The request sent by the mobile terminal needs to be checked by the web server every time, and then the web server accesses the corresponding data table to obtain data to realize the corresponding mobile terminal functions.

Claims (5)

1. vehicle service and the management system based on car networking, is characterized in that, comprises following part:

Car-mounted terminal, for the data of Real-time Collection vehicle, comprises with engine and moves relevant data, the speed of a motor vehicle, and water temperature,Oil mass, oil consumption, tire pressure, in interior a series of data, sends to clothes by 3G/4G network by the vehicle real time data collectingBusiness device is saved in corresponding database;

Server, is provided with the application program based on data analysis, comprises C/S structure and B/S structure, realizes and passes through mobile phoneThe related service that client or web access server provide.

2. vehicle service and the management system based on car networking as claimed in claim 1, is characterized in that, server can also utilize handMachine APP, will comprise the speed of a motor vehicle, oil consumption, the real time information of tire pressure send to mobile phone and in mobile phone application by virtual instrumentShow.

3. vehicle service and the management system based on car networking as claimed in claim 1, is characterized in that, server is also provided with faultCase library, to the vehicle reason of makeing mistakes that is out of order, can enable on-line expert system by fault case storehouse if cannot fix a breakdownUnite or take rescue service.

4. vehicle service and the management system based on car networking as claimed in claim 1, is characterized in that, server is also provided with analysisModule, collecting on the basis of vehicle data, carries out large data analysis, obtains the oil consumption curve of vehicle, carries out vehicle troublePrediction, car owner's driving habits is analyzed, for car owner provides energy-conservation driving scheme; Provide related data to insurance company simultaneously,As the Claims Resolution grade foundation of formulating this vehicle next year; Server is also provided with rights management mechanism and licensing scheme; ServerAlso be provided with path planning algorithm module, facilitate car owner to select anywhere or anytime optimum traffic path.

5. vehicle service and the management system based on car networking as claimed in claim 4, is characterized in that, car-mounted terminal is provided with programInitialization module, communication interface arrange module, real-time data acquisition module, data processing module and data transmission blocks,When vehicle is opened, car-mounted terminal starts data acquisition and sends data to initialize, and comprises each interface and communicationModule, after unlatching and in driving process, car-mounted terminal is not at the Fixed Time Interval of specifying by real-time data acquisition moduleGather in real time discontinuously the data of each interface, and carry out simple data processing, comprise and transform and add packet header packing,Finally data are sent with 3G/4G form by data transmission blocks;

Servers installed has monitoring module, and data receiver and authentication module and parsing and memory module are used for monitoring vehicle-mounted endThe data storage request of end, in the time receiving the request of car-mounted terminal, according to the user authentication data of registration, if unregisteredGive up data, if registration is by Data Analysis and be stored in database.