Summary of the invention
Technical matters to be solved by this invention is: for the defect of prior art, a kind of multi-functional auxiliary driving service system based on car networking is provided, look around on the basis of panoramic picture providing driver's automobile, utilizing car to network is undertaken interconnected by car machine, smart mobile phone and car networking high in the clouds, realize the mutual of information to share, for user provides omnibearing multi-functional auxiliary driving service.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
Based on a multi-functional auxiliary driving service system for car networking, comprise interconnective engine end, cell phone end and car networking high in the clouds, also comprise the car-mounted display end be connected with described engine end, wherein:
Described engine end comprises Video Image Processing module, GPS module, mobile unit driving circuit, information of vehicles processing module and engine end communication module;
Described Video Image Processing module for gathering the video image around vehicle body, and is corrected the video image collected, splicing, issues car-mounted display end and shows for panoramic picture;
Described GPS module is used for locate and obtaining cartographic information, and the information of acquisition is issued car-mounted display end is convenient to vehicle location and navigation Service, data message is wirelessly sent to car networking high in the clouds simultaneously and is convenient to data preservation and data processing;
Described mobile unit driving circuit is for driving mobile unit;
Described information of vehicles processing module is used for processing the OBD information that vehicle sensors collects, and sends to car-mounted display end and car networking high in the clouds after process;
Described engine end communication module comprises wire communication module and wireless communication module, is communicated between engine end and car-mounted display end by wire communication module, is communicated with car networking high in the clouds at engine end, cell phone end by wireless communication module; Wherein, wire communication module is communicated by LVDS; Wireless communication module is communicated by 3G module, bluetooth module or WiFi module;
Described car-mounted display end, for receiving and show the OBD information of full-view video image and engine end, processes receiving GPS information, for user provides navigation Service simultaneously;
Described cell phone end is used for and data communication is carried out in engine end, car networking high in the clouds, sends information service request, receives related service information;
Described car networking high in the clouds is used for receiving and process vehicle-mounted data, the solicited message of process mobile phone terminal, and carries out corresponding information on services feedback.
As present invention further optimization scheme, described Video Image Processing module is input as the video data of wide-angle fish-eye camera, described fish-eye camera at least 4, is arranged at four positions at left and right vehicle wheel rearview mirror place and car plate place, front and back respectively.
As present invention further optimization scheme, described cell phone end is the universal intelligent mobile phone with bluetooth and WiFi function, sends services request by application program of mobile phone to car networking high in the clouds, and receives and show the data message of car networking high in the clouds feedback.
As present invention further optimization scheme, described car networking high in the clouds comprises the acquisition of history driving information, the early warning of vehicle abnormality situation, driving behavior analysis service and vehicle maintenance maintenance service by the information on services that cell phone end provides.
As present invention further optimization scheme, by WiFi and 3G network, the history driving data information being stored in car networking high in the clouds is sent to cell phone end, realize described history driving information and obtain.
As present invention further optimization scheme, described history driving data information, comprises history running time, wheelpath and vehicle OBD data.
As present invention further optimization scheme, described vehicle abnormality situation early warning, by car networking high in the clouds, data analysis is carried out to OBD information and failure message, the abnormal conditions that vehicle occurs are fed back to cell phone end in time, and provides corresponding solution for user.
As present invention further optimization scheme, described driving behavior analysis service, in conjunction with driving road-condition and OBD information, data analysis is carried out to the driving behavior of user in car networking high in the clouds, and correct prompting message accordingly to the transmission of cell phone end, for user provides the rectification service of driving behavior, support vehicles safe driving.
As present invention further optimization scheme, described vehicle maintenance maintenance service, the information of vehicles that car networking high in the clouds is registered according to user, and in conjunction with history OBD information, by sending information to cell phone end, realize the maintenance reminding service of user.
As present invention further optimization scheme, described OBD information comprises the speed of a motor vehicle, engine speed and instantaneous oil consumption.
The present invention adopts above technical scheme compared with prior art, has following technique effect: the present invention, using the part of smart mobile phone as DAS (Driver Assistant System), adds dirigibility and the convenience of system, provides possibility for user receives real-time information; Smart mobile phone is just as the receiving end of information on services, and the process of vehicle data information is undertaken by car networking high in the clouds, reduces the resource consumption of cell phone end, for the realization of car networking provides user base; To be networked with car by mobile phone and be connected, application program of mobile phone can be utilized to provide colourful application service for user, and structure is simple, and cost is lower; Analyzing and processing can be carried out to the mass data that vehicle and driver produce in car networking high in the clouds, for driving behavior analysis and vehicle abnormality early warning provide technology possibility; Look around the information interaction that technology, cell phone and car are networked, improve security and the comfortableness of car steering, meanwhile, can realize carrying out data sharing with traffic control department, automobile vendor, insurance company, for user provides all-around service, the realization also making car network becomes possibility.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, the present embodiment provides a kind of multi-functional auxiliary driving service system based on car networking, comprise engine end, car-mounted display end, cell phone end and car networking high in the clouds, communicated by wire communication module between described engine end and car-mounted display end, engine end, cell phone end are communicated by wireless communication module with car networking high in the clouds.Described engine end comprises Video Image Processing module, GPS module, mobile unit driving circuit, information of vehicles processing module and engine end communication module, wherein:
First described Video Image Processing module carries out analog to digital conversion to the motor vehicle environment image information that four wide-angle cameras collect, and converts analog video image to digital video image.The image collected due to wide-angle camera has certain distortion, so also need the digital video image after to conversion to carry out distortion correction, adopts the method for Zhang Zhengyou to correct here.Finally, the panoramic view that splicing becomes complete is carried out to four video images after correcting, issues the display of car-mounted display end for panoramic picture.The present embodiment adopts the method for image traversal to be used for image mosaic, due to the patent of this respect and paper more, do not repeating here.
Described GPS module is used for locate and obtaining cartographic information, and the information of acquisition is issued vehicle display end is convenient to vehicle location and navigation Service, data message is wirelessly sent to car networking high in the clouds by 3G or WIFI module simultaneously and is used for data preservation and data processing;
Described mobile unit driving circuit, for driving mobile unit, provides corresponding electric current of voltage regulation and voltage to each mobile unit, and provides corresponding circuit protection effect;
First described information of vehicles processing module is the corresponding information of vehicles of sensor collection utilizing vehicle self, the OBD(On-Board Diagnostic such as the such as speed of a motor vehicle, engine speed, instantaneous oil consumption, water temperature, onboard diagnostic system) positional information etc. of information and gas pedal, then the analog signal processing collected is become digital signal issue car-mounted display end and car networking high in the clouds be used for follow-up car-mounted display and high in the clouds data processing, be convenient to for user provides visual interface service and car steering Warning Service;
Described engine end communication module comprises wire communication module and wireless communication module, wherein, wire communication module is by LVDS(Low Voltage Differential Signal, also known as RS644 bus interface) interface communicates, and is mainly used in the wire communication between engine end and car-mounted display end; Wireless communication module is communicated by 3G module, bluetooth module or WiFi module, is mainly used in engine end and car networking high in the clouds, engine end and cell phone end, radio communication between car networking high in the clouds and cell phone end;
Described car-mounted display end is first for receiving the OBD information and GPS information etc. of full-view video image, engine end, and then carry out visual display to the full-view video image received, the picture size of display is determined according to concrete screen size.Meanwhile, to the GPS information received in combination diagram data carry out vehicle location process, for user provides navigation Service.The navigation Service specifically provided is, after user's named place of destination, this total oil consumption of driving a vehicle is calculated by conjunction with the wheelpath of vehicle, average fuel consumption and Fuel Oil Remaining, when low on fuel, oiling reminding service will be provided for user, and refuelling station's positional information and the shortest wheelpath will be integrated.Fuel station information will be comprised in wheelpath after integration, and before midway arrives refuelling station, reminding user supplements fuel oil.If because certain reason fails to supplement fuel oil in time, will wheelpath be recalculated, before fuel consume, again can supplement fuel oil, guarantee that vehicle can arrive destination in time.In the present embodiment, full-view video image, navigation picture and part OBD information all show in display screen, and the present embodiment is in conjunction with actual conditions by employing 7 cun of LCDs, and the OBD information of display comprises the speed of a motor vehicle, instantaneous oil consumption and water temperature.
Described cell phone end is used for and data communication is carried out in engine end, car networking high in the clouds, sends information service request, receives related service information.The concrete implementation step of the present embodiment is, when user needs to obtain history wheelpath, history vehicle OBD information, current vehicle location and OBD information etc., the Android platform software by cell phone end sends information service request to car networking high in the clouds or engine end.Behind car networking high in the clouds or engine end feedback data, cell phone end automatic reception related service information, and Android platform software carries out visual display automatically.
Described car networking high in the clouds is used for receiving and process vehicle-mounted data, the solicited message of process mobile phone terminal, and carries out corresponding information on services feedback.Car networking high in the clouds in the present embodiment is mainly played data preservation, data processing and is provided the function of service.Data preserve be mainly used in preserving the history wheelpath of vehicle, history vehicle OBD information relevant with vehicle purchase information etc.Data processing mainly processes the related data information of preserving, comprise vehicle trouble code data dissection process, driver Data Analysis Services, vehicle purchase information data analysis etc., be to provide relevant service function to the process of related data information.There is provided the function of service mainly to implement by sending service confidence to cell phone end, the service function specifically provided is set forth below.
Described Video Image Processing module is input as the video data of wide-angle fish-eye camera, and wide-angle fish-eye camera is at least 4, is arranged at four positions at left and right vehicle wheel rearview mirror place and car plate place, front and back respectively.
Described cell phone end is the universal intelligent mobile phone with bluetooth and WiFi function, sends services request by application program of mobile phone to car networking high in the clouds, and receives and show the data message of car networking high in the clouds feedback.
Described car networking high in the clouds comprises the acquisition of history driving information, the early warning of vehicle abnormality situation, driving behavior analysis service and vehicle maintenance maintenance service by the information on services that cell phone end provides.
Described history driving information obtains, mainly user sends historical data request by the Android platform software of cell phone end to car networking high in the clouds, car networking high in the clouds is after acquisition request of data, by WiFi and 3G network, the history driving data information being stored in car networking high in the clouds is sent to cell phone end, cell phone end shows automatically again, facilitates user to check.Described history driving data information, comprises history running time, wheelpath and vehicle OBD data etc.
Described vehicle abnormality situation early warning, mainly carry out data analysis by the OBD information that sends over engine end and failure message, when learning that abnormal conditions appear in vehicle after analysis, abnormal conditions will be fed back to cell phone end by car networking high in the clouds in time, and for abnormal conditions for user provides corresponding solution.
Described driving behavior analysis service, in conjunction with driving road-condition and OBD information, data analysis is carried out to the driving behavior of user in car networking high in the clouds, and corrects prompting message accordingly to the transmission of cell phone end, for user provides the rectification service of driving behavior, support vehicles safe driving.The driving behavior will analyzed in the present embodiment mainly refers to the acceleration and deceleration situation of vehicle, wheel steering situation and braking conditions.
Described vehicle maintenance maintenance service, information (vehicle model, purchase time, maintenance record, car insurance etc.) is purchased according to the vehicle that user registers in car networking high in the clouds, and in conjunction with history OBD information, carry out the vehicle maintenance maintenance analysis process of being correlated with, the result of process is sent information, for user provides maintenance reminding service by WiFi or 3G network to cell phone end.
When the present embodiment is specifically implemented:
For gathering image around vehicle body, four wide-angle fish-eye cameras are arranged on respectively four positions at left and right vehicle wheel rearview mirror place and car plate place, front and back, Real-time Collection transmission of video images is given the Video Image Processing module of described engine end by four described cameras; Described Video Image Processing module carries out distortion correction to the video image received and splicing completes full-view video image; Finally, full-view video image is carried out compressed encoding and is transferred to engine end communication module by described Video Image Processing module.
Described engine end communication module reads the full-view video image that described Video Image Processing module transfer is come, read vehicle condition information and GPS module reading vehicle position information from onboard sensor simultaneously, be sent to car-mounted display end, cell phone end and car networking high in the clouds through LVDS, bluetooth, WiFi or 3G network; Wherein, because panoramic video image streams amount is excessive, full-view video image can't be sent to cell phone end and vehicle net high in the clouds by the present embodiment; Carry out wire communication by LVDS interface between engine end and car-mounted display end, the information such as full-view video image, vehicle condition and vehicle location are sent to car-mounted display end by engine end in real time; Engine end and car are networked between high in the clouds and are carried out long distance wireless communication by WiFi or 3G network, and vehicle condition information and vehicle position information are sent to vehicle net high in the clouds by engine end in real time; Carry out short-distance wireless communication by bluetooth between engine end and cell phone end, vehicle condition information and vehicle position information are sent to cell phone end according to mobile phone instruction by engine end.
Further, when cell phone end is close to engine end, cell phone end carries out data communication by bluetooth and engine end, obtains vehicle-mounted data;
Further, when cell phone end is away from engine end, cell phone end carries out data communication by WiFi or 3G network and car high in the clouds of networking, and the history vehicle-mounted data of engine end is preserved in car networking high in the clouds;
In addition, due to engine end preserve data limited, when cell phone end to engine end send request of data time, likely without data feedback, now, cell phone end can to car network high in the clouds transmission request of data.
The communication module of described car-mounted display end reads the data that engine end transmits, and full-view video image and relevant information of vehicles are carried out image conversion display, comprise full-view video image, navigation picture and part OBD information, the OBD information of display comprises the speed of a motor vehicle, instantaneous oil consumption and water temperature.The present embodiment adopts 7 cun of LCDs.
In the present embodiment, described car-mounted display end is provided with the application software based on Android platform, and its function comprises: display full-view video image, digital map navigation and service, in real time display automobile information, Real-Time Monitoring vehicle condition.
The data that described car networking high in the clouds real-time reception and preservation engine end transmit, and data feedback is carried out to the request of data sended over of cell phone end; Simultaneously, described car networking high in the clouds can be analyzed getting history vehicle data, for user provides the early warning of vehicle abnormality situation and driving behavior analysis service, when vehicle occurs that abnormal conditions or driving behavior need to improve, car networking high in the clouds initiatively can send reminding service to cell phone end; Vehicle maintenance maintenance record is followed the tracks of, regularly sends vehicle maintenance maintenance to cell phone end and remind, and then provide vehicle maintenance maintenance service for user.
In the present embodiment, described cell phone end is also provided with the application software based on Android platform, and its function comprises: to engine end and car networking high in the clouds send request of data, receive from engine end and car networking high in the clouds feedback information and receive from car networking high in the clouds service reminder.Wherein, the request of data that cell phone end can send comprises history vehicle OBD information, history wheelpath and current vehicle location.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.