CN106131111A - A kind of improvement 4S service system towards car networking - Google Patents

Abstract

The invention relates to an improved 4S service system oriented to the Internet of Vehicles, belonging to the technical field of Internet of Vehicles services. The system includes vehicle OBD data acquisition layer, background server and mobile phone application or vehicle terminal application; the system includes two modes of personal car owner and enterprise, which is convenient for individual car owners and enterprise customers to monitor the vehicle status in real time and improve driving safety. Through the DSRC wireless communication protocol Strengthen the information interconnection between vehicles; at the same time make the maintenance of vehicles more convenient and efficient; improve the management efficiency of enterprise fleets and reduce management costs. In addition, it also enables 4S stores to better understand the historical maintenance and overhaul information of vehicles, and propose targeted maintenance and maintenance plans that are more suitable for each car owner. At the same time, they can provide timely and efficient services when customers encounter emergencies, thereby Improve the service quality and business level of 4S stores.

Description

An Improved 4S Service System Oriented to Internet of Vehicles

technical field

The invention belongs to the technical field of car networking services, and relates to an improved 4S service system oriented to car networking.

Background technique

With the rapid development of the communication industry and mobile phone technology updates, functions such as mobile Internet access and social chat have become an integral part of people's lives. Whether at home or traveling, mobile phones have been with people every moment. On the other hand, with the improvement of people's living standards, cars have already entered the homes of ordinary people. Cars are no longer a luxury, but an indispensable means of transportation for people's daily life and travel. Under such a general background, how to improve the quality of life and provide a convenient and fast way of life, as well as how to provide more guarantees for our life safety, has become a very concerned aspect of the contemporary automobile industry. Therefore, 4S stores are becoming more and more popular. 4S stores in the automotive industry are a business model launched by automobile manufacturers to meet customer service needs. It can provide well-equipped, clean maintenance areas, modern equipment and services. Management, highly professional atmosphere, well-maintained service facilities, sufficient supply of spare parts, fast and timely tracking service system. Therefore, it is necessary to design a 4S service software with complete functions and simple user operation.

On the other hand, as a brand-new network application, the Internet of Vehicles also puts forward higher requirements on the vehicle information platform. In order to provide a better hardware foundation for the Internet of Vehicles, Telematics, an in-vehicle information service system, was proposed abroad. Telematics aims to provide various information necessary for driving and life to people on the road at any time. People will receive or customize their own information, entertainment, services, etc. anytime, anywhere in their cars. Through the terminal device installed in the car, and through the vehicle network, wireless communication network and satellite positioning system, etc., the information interaction between the car, driver and passengers and service providers, content providers, etc. is realized, and positioning is provided for drivers and passengers. Various mobile services related to navigation, road conditions, traffic information, emergency countermeasures, warnings of dangerous areas, remote vehicle diagnosis, network applications (finance, news, etc.).

Due to the rapid development of 4S stores, some 4S service software has also appeared in the market, but most of the current 4S service software focuses on improving the service of 4S stores, that is, focusing on the convenience of service appointments and vehicle maintenance. There are also a small amount of research, such as adding Vehicle body driving data collection and reminder function. Under the background of the Internet of Vehicles, there is a need for close contact and information interaction between cars and cars, car owners and car owners, cars and 4S stores, and different 4S stores. , It is also convenient for car owners to self-manage vehicles and travel interconnection.

Contents of the invention

In view of this, the purpose of the present invention is to provide an improved 4S service system oriented to the Internet of Vehicles, which closely connects the vehicle with the 4S store, so that the 4S store can better understand the vehicle information, and also enables the car owner to better obtain the service information of the 4S store. Get better and timely service; enable car owners to better understand the status of the vehicle body, obtain vehicle information in a timely manner, avoid driving hazards, and remotely monitor vehicles to prevent theft; improve management transparency for corporate vehicles, reduce management costs, and improve management efficiency; provide travel Surrounding road conditions, weather reminders and functional navigation are convenient for travel. In addition to the simple functions related to 4S services provided by the traditional 4S service software, this system combines the specific background environment of the Internet of Vehicles to improve the interconnection of vehicles, so that car owners can experience better vehicle maintenance and safety in a safe environment. While maintaining services, it is more convenient to travel, to facilitate the management of enterprises and the cooperation of employees. At the same time, the system adopts a complete modular design and MVC design pattern, which makes the software structure clear and facilitates future function expansion and software maintenance.

To achieve the above object, the present invention provides the following technical solutions:

An improved 4S service system oriented to the Internet of Vehicles, the system includes vehicle body data reading OBD, background service system, mobile phone or vehicle terminal application;

The vehicle body data reading OBD is connected to the CANBUS or K Line of the vehicle body to obtain the real-time running data of the vehicle, and at the same time obtain the GPS information of the vehicle through its GPS module, and send the data to the vehicle or mobile phone application in real time through the extended Bluetooth module, and through mobile communication The network sends data to the background management server;

The background server saves and processes the vehicle body data, and provides an Internet login function to realize online function management; combined with the map software, it tracks the real-time position and historical track of the vehicle, and pushes the road condition of the relevant road section to the owner and realizes the mobile communication network through the mobile communication network. Application service push and query command response; provide managers with authority to improve management efficiency;

The mobile phone application end users receive the data transmitted by OBD in real time through Bluetooth communication, and display it in the form of a virtual dashboard; or query the historical data of the vehicle through the mobile communication network, and when the vehicle body status data is abnormal, an alarm is issued to remind the owner of the fault information, ensuring Driving safety; remote monitoring of the location and track information of the vehicle, and at the same time integrating the release of navigation information such as surrounding entertainment, medical care, gas stations, etc., to facilitate travel for car owners; car owners can reserve all service items of 4S stores through mobile phone applications, and 4S stores will push through messages form to remind customers of necessary maintenance or insurance renewals.

The system mainly has the following functions:

For individual car owners, it mainly realizes vehicle driving data monitoring and fault alarm; 4S service item reservation and upgrade; road conditions and surrounding entertainment and other facility service navigation; 4S store related service push reminders; emergency help and help; vehicle driving record query; Functions such as driving behavior records and suggestions.

For enterprise fleets, on the basis of the relevant functions of individual car owners, it provides multi-level administrator permissions, so that managers can view the data and recent safety conditions of all vehicles in the fleet, effectively manage all vehicles in the fleet, avoid private use of public vehicles, and manage at the same time The operator can reasonably allocate tasks through the current location and usage of the vehicle, improve management efficiency, and save management costs.

Further, the body data reading OBD supports all OBD2 protocols and 12 conventional automotive communication protocols of ISO and SAE, and can perform diagnostic communication with the ECU and various control modules of existing passenger cars, and all data is in 10 steps. Make ASCII code return;

The OBD includes driving data storage FLASH, satellite positioning module (Beidou, GPS), vehicle collision state monitoring module (3D sensor), Bluetooth, WIFI, mobile communication module, and realizes vehicle state monitoring and data forwarding functions.

Further, the background service system includes a database for recording vehicle information and 4S service records, storing required information;

The background service system includes ServiceHandler (service management) and Dispatcher (service scheduling) for distributing and scheduling data. ServiceHandler serves as the communication interface between the application end and the background service system. It receives requests from the application end, and after passing identity authentication, receives The instructions sent by the application end are forwarded to Dispather, and at the same time, the vehicle health information sent by Dispatcher is received and forwarded to the application end for users to view;

The background service system also includes a web interface for 4S stores or car owners to browse at any time, which is convenient for 4S stores to improve management level and service quality;

Carry out training based on the collected driving data stream samples of car owners, find the best projection vector base of the samples, and then project the collected car owner data with the above-mentioned best projection vector base to obtain the basis for discriminant driving habits of car owners, and analyze the car owner's Driving habits, feedback the analysis results to 4S stores for professional judgment and service matching.

Further, the mobile phone application includes:

1) Communication with 4S stores to improve their user experience, including: 4S store regular service reminder push, driving behavior statistics and driving habit suggestions, service appointment and evaluation, service record query and fee settlement, vehicle emergency rescue;

2) Vehicle status monitoring and historical data query. For individual car owners, when the vehicle status is abnormal, the alarm will be sent to remind the car owner to prevent dangerous situations; Work log reporting, work order viewing, and division of labor and collaboration with other team members, such as team driving, etc.; fleet managers can check the recent use of vehicles, idle rates, safety conditions, driving trajectories during working hours and non-working hours , Task distribution, employee attendance, according to GPS information, usage and vehicle type, arrange vehicles to complete the specified tasks nearby, improve work efficiency and reduce management costs;

3) Peripheral service inquiry and online fee settlement. When traveling, push possible bad weather reminders, congested road section reminders, query and navigation of surrounding medical, catering, parking, refueling, banking and other service agencies.

The beneficial effects of the present invention are: the system provided by the present invention not only realizes the vehicle-vehicle interconnection under the environment of the Internet of Vehicles under the background of the Internet of Vehicles, but also helps car owners to travel safely and conveniently, and improves and corrects driving habits; at the same time, it also Enable 4S stores and car owners to conduct timely and comprehensive information exchange, ensure service quality, and improve the service system.

Description of drawings

In order to make the purpose, technical scheme and beneficial effect of the present invention clearer, the present invention provides the following drawings for illustration:

Fig. 1 is the overall structure schematic diagram of the system of the present invention;

Figure 2 is a schematic diagram of the structure of the OBD chip;

Figure 3 is a schematic diagram of the background data communication network and the vehicle-to-vehicle DSRC communication process;

Fig. 4 is a schematic diagram of asynchronous thread processing on the mobile phone or vehicle application side.

detailed description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The present invention is an improved 4S store service system and method oriented to the Internet of Vehicles, including three parts: an OBD data acquisition terminal, a background server terminal, and a vehicle-mounted or mobile phone application terminal.

FIG. 1 is a schematic diagram of the overall structure of the system of the present invention, and each component will be described in detail below.

In this embodiment, the OBD data acquisition method is as follows:

As shown in Figure 2, what the OBD of this embodiment adopts is the QBD61 (TDA61) chip, and the upper communication interface that it provides has modules such as GPRS, 3G, WIFI, bluetooth; The data is obtained from the CAN bus of the vehicle body, and it can work with low power consumption in the battery-powered mode when the vehicle is off, effectively ensuring the comprehensiveness of the data.

Among them, the GPS/Beidou module uses u-blox M8, which can simultaneously acquire and track different GNSS (global navigation satellite) systems: receive GPS (QZSS) and GLONASS or BeiDou in parallel. This platform is suitable for high-performance applications that require the highest availability and accuracy even in environments with poor GPS signals, especially urban canyons. In addition, u-blox M8 also provides ultra-long A-GNSS function to ensure comprehensive and reliable data.

After the OBD module collects the corresponding data, it uploads to the background server in time through 3G and other wireless networks, which is convenient for 4S stores and car owners to view and manage vehicle data; at the same time, when the user’s Bluetooth paired device is detected, the data is sent to the mobile phone or On-board equipment, users can check the vehicle body data at any time. When the status data is abnormal, it will remind the car owner to deal with it in time through voice or vibration to avoid accidents.

The background server works as follows:

Figure 3 shows the components of the background server and related work processes. The background server consists of three parts: Dispatcher, ServiceHandler and database.

Dispatcher is the communication interface between the data sending and receiving program and the background service system. It maintains the communication connection with the data sending and receiving program and receives the uploaded data. It does not process the specific data content, but only parses the received data. Specify the specific service type, and schedule the data according to the service type: if it is collection information, Dispatcher accesses the database and stores the information in the database; if it is query return information, Dispatcher forwards it to ServiceHandler and receives data from ServiceHandler instructions and forward them to the corresponding requesting software.

ServiceHandler is the communication interface between the mobile terminal software and the background service system, responsible for distributing data and maintaining the communication connection with the mobile terminal software. It sends the instructions forwarded by the mobile terminal software to the Dispatcher, and at the same time forwards the information received from the Dispatcher to the mobile terminal software, and forwards the latest vehicle condition information to the mobile terminal software.

A database is a container for storing data. It organizes, describes and stores data according to a certain data model, and is a collection of data that can be queried and modified. In this system, it is mainly used to store vehicle maintenance records, basic information of vehicles and basic information of users, etc., for query and other uses.

The specific functions are as follows: administrator management, user management, report generation, separate storage for special cases, and message push.

Specifically, the system provides two kinds of administrator rights, which are super administrator and system administrator. The super administrator has all the rights to configure system attributes, and can modify and configure system-related information at will for the use of system maintenance personnel. The system administrator has the functions of viewing user information, sending push messages, etc., and is generally used by 4S store managers to facilitate information interaction with users.

The system provides two kinds of user login permissions, which are individual car owner and enterprise fleet manager permissions. Individual car owners have the function of querying their own vehicle information and uploading related requests. The enterprise fleet manager has the function of querying the information of all vehicles in the specified fleet, the function of issuing instructions to the vehicles in the fleet, and the function of modifying part of the information of the vehicles in the fleet.

The system classifies the data transmitted by OBD according to different types, which is convenient for users to view, stores abnormal data separately, and sends them to users in time to remind users to pay attention.

Specifically, when the data is abnormal, the system sends a push message to the user end to remind the user; in addition, the administrator can also actively send relevant push messages to the user to facilitate the communication between the 4S store and the car owner, as well as the fleet manager and fleet members. communicate.

In this example, the specific functions and methods of the mobile phone or vehicle terminal application layer are as follows:

Mobile phone or vehicle terminal applications are mainly for individual car owners and enterprise fleet managers. Enterprise employees and individual car owners have the right to manage their own vehicles, while enterprise managers have the right to manage other members of the enterprise fleet.

Specifically, for individual car owners, the mobile terminal application includes the following functions:

Vehicle status viewing and monitoring: By communicating with OBD Bluetooth or wireless network in the background, the owner can view vehicle driving status data, such as: current vehicle speed, engine speed, engine water temperature, throttle opening, mileage, ignition advance angle, Intake temperature and flow rate, rapid acceleration, rapid deceleration, etc. When some status data is abnormal, it will remind the owner and display the possible causes of the failure, helping the owner to accurately grasp the vehicle situation and avoid driving danger.

Vehicle location viewing: including current location information and historical driving trajectory viewing, when the vehicle moves illegally, an alarm will be sent to the owner to prevent the vehicle from being stolen.

4S store service appointment and settlement: When the vehicle needs 4S store service, it can send a request through the mobile terminal, and the 4S store manager can see the user's request in the background and give a corresponding processing reply, so that the car owner can arrange the time reasonably and improve efficiency . When the service is completed, service quality evaluation and complaints can be realized, and fee payment can also be completed through a third-party payment platform. Improve service efficiency and reduce costs.

Navigation of surrounding road conditions and entertainment facilities: Through the integration of third-party software, real-time reminders of surrounding road conditions are provided to car owners, and car owners can also view surrounding restaurants, hospitals, gas stations and other information as needed, providing convenience for car owners to travel.

Nearby vehicle-to-vehicle interconnection: According to the requirements of the Internet of Vehicles, the vehicle-mounted terminal realizes the vehicle-to-vehicle interconnection that does not rely on the public network through the DSRC wireless communication module, so that the owner can know the situation of the surrounding vehicles at any time, such as emergency situations such as sudden braking of vehicles ahead, and timely Remind the owner to realize driving safety. In addition, it also has obvious advantages in following vehicles when traveling in groups.

Work attendance and work log submission: For employees of enterprises or institutions, they can use the mobile terminal combined with vehicle positioning to realize work sign-in and upload work logs for managers to view as the assessment standard for their own work.

Screen mapping realizes resource sharing: through the VNC screen mapping protocol, the screen mapping function of the mobile phone and the vehicle terminal is realized, so that the mobile phone and the vehicle terminal can share resources with each other and improve user experience. Specifically, the mapping function can be enabled through WIFI direct connection and QR code scanning, etc., without relying on the public network, and the implementation is simple and convenient.

Specifically, for business managers, mobile terminal applications include the following functions:

Issuing work orders: Enterprise managers can check the location information and trajectory of fleet vehicles in real time, so as to check whether the vehicles are in working condition and the specific geographical location, arrange related work nearby, issue task orders, reduce management costs, and improve work efficiency.

Fleet vehicle status monitoring: You can check the recent maintenance status of vehicles to ensure the driving safety of employees, and remind drivers of abnormal and faulty vehicles with bad driving habits, such as excessive speed, rapid acceleration, and frequent deceleration.

Employee performance appraisal: According to the mileage, driving trajectory, working hours, employee work log and other information within a certain period of time, the employee's work performance appraisal can be realized to avoid private use of public vehicles, further reduce enterprise management costs, and improve employee work efficiency and enthusiasm.

As shown in Figure 4, when developing the mobile phone application in this example, the asynchronous thread processing method is adopted. The application usually includes a main thread (Main Thread), which is responsible for the processing of the UI interface and the communication between message events. When the main thread needs to process many tasks, in order to avoid the main thread from being blocked, a new thread will be created to process those time-consuming and resource-consuming logical tasks asynchronously, so that the system can achieve smooth operation. In this instance, the Handler class method is used to implement multi-threaded asynchronous task processing.

Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be described in terms of form and Various changes may be made in the details without departing from the scope of the invention defined by the claims.

Claims (4)

1. one kind towards car networking improvement 4S service system, it is characterised in that: this system include vehicle body digital independent OBD, after Platform service system, mobile phone or car-mounted terminal application；

Described vehicle body digital independent OBD, by connecting vehicle body CANBUS or K Line, obtains vehicle real-time running data, leads to simultaneously Cross its GPS module and obtain the GPS information of vehicle, send data to vehicle-mounted or mobile phone application in real time by the bluetooth module of extension, And send data to back-stage management server by mobile communications network；

Described background server preserves and processes vehicle body data, and provides the Internet login feature, it is achieved On-line funchon manages；Knot Close map software, follow the trail of real time position and the historical track of vehicle, and push the road conditions of relevant road segments and by mobile to car owner Communication network realizes the service propelling movement to mobile phone application and query statement response；

Mobile phone application end user, by the data of Bluetooth communication real-time reception OBD transmission, shows with the form of virtual meter panel；Or Person passes through mobile communications network enquiring vehicle historical data, and when vehicle body status data occurs abnormal, sends alarm, reminds car Major error information, guarantee driving safety；The remotely position of monitoring vehicle and trace information, the amusement of the most integrated periphery, medical treatment, adds The navigation informations such as petrol station are issued, and facilitate car owner to go on a journey；Car owner can preengage all service items in 4S shop by mobile phone application end, The maintenance or insurance renewed treaty that client is necessary is reminded, by the form that message pushes, in 4S shop.

A kind of improvement 4S service system towards car networking the most according to claim 1, it is characterised in that: described vehicle body number Whole OBD2 agreements and 12 kinds of conventional automotive communication protocol of ISO and SAE are supported, it is possible to riding with existing according to reading OBD The ECU of car and various control module carry out diagnosis communication, and all data return with 10 system ASCII characters；

Described OBD include travelling data storage FLASH, satellite positioning module, vehicle collision state monitoring modular and bluetooth, WIFI, mobile communication module, it is achieved vehicle-state monitoring and the forwarding capability of data.

A kind of improvement 4S service system towards car networking the most according to claim 1, it is characterised in that: described backstage takes Business system includes recording information of vehicles and the data base of 4S service log, stores information needed；

Background service system includes the ServiceHandler (Service Management) for distributing, dispatch data and Dispatcher (service dispatch), ServiceHandler is as the communication interface between application end and background service system, and it receives from answering With end request, after authentication, receive application end send instruction and be transmitted to Dispather, receive simultaneously from The running state of the vehicle information that Dispatcher sends, is transmitted to application end, checks for user；

Background service system also includes a web interface browsed at any time for 4S shop or car owner, facilitates 4S shop to raise the management level And service quality；

Car owner's driving data stream sample according to collecting is trained, and finds the best projection vector basis of sample, then will adopt Collect to car owner's data project with above-mentioned best projection vector basis, obtain the distinguishing rule of car owner's driving habits, analysis car Main driving habits, feeds back to analysis result 4S shop and carries out specialty judge and Service Matching.

A kind of improvement 4S service system towards car networking the most according to claim 1, it is characterised in that: described mobile phone should Include with end:

1) with the communication exchange in 4S shop, to promote the Consumer's Experience of oneself, including: the regular service in 4S shop is reminded and is pushed, Driving behavior statistics and driving habits suggestion, service reservation and evaluation, service log inquiry and disbursement and sattlement, vehicle emergency Rescue；

2) monitoring of vehicle-state and the inquiry of historical data, for individual car owner, when vehicle-state exception, warning reminding car Main, the generation of prevention dangerous situation；To enterprise level, in addition to above-mentioned functions, it is achieved work attendance on fleet drivers's line, daily record of work Reporting, work order is checked, and contacts with sharing out the work and helping one another of other members of fleet；Fleet manager can check that vehicle is recent Service condition, vacancy rate, security situation, working time and the wheelpath of non-working time, task issues, staff attendance, According to GPS information and service condition and type of vehicle, arrange vehicle to complete appointed task nearby, improve work efficiency, reduce pipe Reason cost；

3) ambient services inquiry and online disbursement and sattlement, during trip, pushes possible vile weather and reminds, and congested link is reminded, Periphery medical treatment, food and drink, stop, refuel, the inquiry of the service organization such as bank and navigation.