CN103269495A - Car networking system and data backup method - Google Patents
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- CN103269495A CN103269495A CN2013101589254A CN201310158925A CN103269495A CN 103269495 A CN103269495 A CN 103269495A CN 2013101589254 A CN2013101589254 A CN 2013101589254A CN 201310158925 A CN201310158925 A CN 201310158925A CN 103269495 A CN103269495 A CN 103269495A
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Abstract
The invention provides a car networking system, and further provides a data backup method of the car networking system. The car networking system comprises a car, a wireless local area network, a mobile communication network, the internet and a car networking service center. The car networking service center is connected to the internet; the car comprises a vehicle-mounted intelligent terminal. The vehicle-mounted intelligent terminal is connected to the internet through the wireless local area network or the mobile communication network; the wireless local area network comprises a first backup server; the mobile communication network comprises a second backup server; the car networking service center is used for providing at least partial car networking data for the first backup server and the second backup server so as to conduct data backup; the vehicle-mounted intelligent terminal is used for selectively acquiring backup data from the first backup server or the second backup server when the communication faults appear on the car networking service center according to the running state of the car.
Description
Technical field
The present invention relates to a kind of car networking technology, especially, relate to a kind of car networked system and data back up method thereof.
Background technology
Along with economic development automobile quantity rapidly increases, cause problem order benefits such as traffic jam, energy resource consumption and air pollution seriously, even if this feasible very flourishing country of road equipment also has to turn to technology and the method taking to supply, need two aspects to manage jointly to improve the traffic problems that are becoming increasingly acute from the thoughtcast that only satisfies the demands by supply in the past.In this process, the concept of " intelligent transportation system " just progressively forms, and the car networking realizes an important technical of intelligent transportation just.
The elementary object of the development of car networking at present be implemented on the information network platform to the attribute information of all vehicles and quiet, multidate information extracts and effectively utilize, and according to different functional requirements the running status of all vehicles is effectively supervised and provided a kind of wireless network of integrated service.So, along with the research of vehicle-carrying communication technology and related application has had considerable progress, automobile again is not independent of beyond the communication network, and, benefit from development of wireless communication devices, can accomplish now with vehicle as a terminal terminal and service end to be connected to each other the composition network, such network just is referred to as the car networking.
In the existing car networking, vehicle is provided with vehicle intelligent terminal usually, and described vehicle intelligent terminal can be linked into the Internet by Radio Access Network, and communicates by the Internet and service centre.Because all vehicles can obtain the service that described service centre provides after must directly establishing a communications link with described service centre by the Internet, and usually the network of the data at car internet services center beyond in the Internet can't back up, if the internet communication fault, then vehicle can't obtain the car internet services.Therefore, the service reliability of existing car networked system is lower.
Summary of the invention
For addressing the above problem, the invention provides a kind of car networked system and data back up method thereof with higher service reliability.
Car networked system provided by the invention comprises: vehicle, WLAN, mobile communications network, the Internet and car internet services center, wherein said car internet services center is connected to described the Internet, described vehicle comprises vehicle intelligent terminal, described vehicle intelligent terminal is linked into described the Internet by described WLAN or described mobile communications network, described WLAN comprises first backup server, described mobile communications network comprises second backup server, described car internet services center is used for that at least part of car networking data is offered described first backup server and described second backup server backs up, and described vehicle intelligent terminal optionally obtains Backup Data from described first backup server or described second backup server for the running status according to described vehicle when communication failure occurring with described car internet services center.
In car networked system one preferred embodiment provided by the invention, described WLAN also comprises a plurality of WAP (wireless access point) and switch, and described a plurality of WAP (wireless access point) are connected to described the Internet by described switch.
In car networked system one preferred embodiment provided by the invention, described mobile communications network also comprises a plurality of mobile base stations and mobile switch, and described a plurality of mobile base stations are connected to described the Internet by described mobile switch.
In car networked system one preferred embodiment provided by the invention, described first backup server is connected to one of them WAP (wireless access point), and described second backup server is connected to one of them mobile base station.
In car networked system one preferred embodiment provided by the invention, described car networked system also comprises the vehicle private network, described vehicle-mounted private network comprises the roadside access point, and described vehicle intelligent terminal is connected to described vehicle-mounted private network by described roadside access point.
In car networked system one preferred embodiment provided by the invention, described car networked system also comprises first content server, second content server, the 3rd content server and the 4th content server of third party service provider, and wherein said first content server, described second content server, described the 3rd content server and described the 4th content server are connected respectively to described the Internet, described WLAN, described mobile communications network and described vehicle private network.
The data back up method of car networked system provided by the invention, based on aforesaid car networked system, described data back up method comprises: the car networking data is classified and distribute priority; High-priority data is offered first backup server of described WLAN and second backup server of described mobile communications network backs up; Vehicle intelligent terminal detects the running status of described vehicle when communication failure occurring with described car internet services center; If described vehicle remains static, described vehicle intelligent terminal and described WLAN establish a communications link and obtain described Backup Data from described first backup server; If described vehicle is in travel condition, described vehicle intelligent terminal and described mobile communications network establish a communications link and obtain described Backup Data from described second backup server.
In scheme provided by the invention, described WLAN and described mobile communications network are respectively arranged with described first backup server and described second backup server, carry out dual backup in order to the high-priority data to car internet services center, make and to obtain described high-priority data from described first backup server or described second backup server when described vehicle intelligent terminal breaks down in described the Internet, thereby can't obtain the car internet services when avoiding breaking down in described the Internet.Therefore, car networked system provided by the invention has higher service reliability.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the schematic diagram of a kind of embodiment of car networked system provided by the invention.
Fig. 2 is the structural representation of a kind of embodiment of vehicle intelligent terminal of the described car networked system of Fig. 1.
Embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
See also Fig. 1, it is the schematic diagram of a kind of embodiment of car networked system provided by the invention.Described car networked system comprises vehicle 110, Radio Access Network 160～180, the Internet 130, car internet services center 140 and described content provider server 150-n (wherein, n=1,2,3,4).
Described vehicle 110 comprises vehicle intelligent terminal 111, described vehicle intelligent terminal 111 can be used as a network node, be linked into described the Internet 130 by described Radio Access Network 160～180, and establish a communications link with described car internet services center 140 and described content provider server 150-n; On the other hand, described vehicle intelligent terminal 111 also can be connected with described content provider server 150 by described Radio Access Network 160～180.
Wherein, described Radio Access Network 160～180 comprises WLAN 160, mobile communications network 170 and vehicle private network 180, described content provider server 150-n can comprise first content server 150-1, second content server 150-2, the 3rd content server 150-3 and the 4th content server 150-4, wherein said first content server 150-1 is connected to described the Internet 130, described second content server 150-2 is connected to described Radio Access Network 160, described the 3rd content server 150-3 is connected to described mobile communications network 170, and described the 4th content server 150-4 is connected to described vehicle private network 180.Described WLAN 160, described mobile communications network 170 and described vehicle private network 180 can offer the content service that connected content provider server 150 provides described vehicle 110 on the one hand, on the other hand, also described vehicle 110 further can be linked into described the Internet 130.
Vehicle intelligent terminal 111 inside of described vehicle 110 can be equipped with the wireless communication module corresponding with described WLAN 160, described mobile communications network 170 and described vehicle private network 180, and described vehicle intelligent terminal 111 can be according to preset rules or User Defined rule, and one of them carries out wireless connections to select described WLAN 160, described mobile communications network 170 and described vehicle private network 180.
When described vehicle 110 is connected to described WLAN 160, described vehicle intelligent terminal 111 is connected to the WAP (wireless access point) of described WLAN 160 by himself radio access module (such as the WIFI module), described WAP (wireless access point) can further insert described the Internet 130 by copper cash or optical fiber, is connected to described second content server 150-2 simultaneously.Thus, described vehicle 110 just can be linked into described the Internet 130, and carry out data transmit-receive by described the Internet 130 with described service centre 140 and the described first service server 150-1, thereby obtain the service that described service centre 140 and described first content server 150-1 provide, perhaps, directly carry out data transmit-receive with described second content server 150-2 by described WLAN 160, thereby obtain the content service that described second content server 150-2 provides.
When described vehicle 110 was connected to described mobile communications network 170, described vehicle intelligent terminal 111 connected with the mobile base station by the mobile communication module (such as 3G communication module or 4G communication module) of himself.Described mobile base station can be linked into operator's equipment of described mobile communications network 170 by private-line mode, and be connected with described the 3rd content server 150-3, therefore described vehicle 110 just can obtain the service based on described mobile communications network 170 (such as voice communications services or short message service) that mobile operator provides by connecting described mobile communications network 170, and obtains the content service that described the 3rd content server 150-3 provides simultaneously.And, owing to also be intercommunication between described mobile communications network 170 and the described the Internet 130, therefore described vehicle 110 can further be linked into described the Internet 130 by described mobile communications network 170, and carry out data transmit-receive by described the Internet 130 with described service centre 140 and the described first service server 150-1, thereby obtain the service that described service centre 140 and described first content server 150-1 provide.
When described vehicle 110 was connected to described vehicle private network 180, described vehicle intelligent terminal 111 connected into multi-hop, acentric, ad hoc deployed wireless networks by himself private network communication module and other vehicles or roadside access point.Simultaneously, described roadside access point can be connected to described the 4th content server 150-4, is linked into described the Internet 130 by wired mode simultaneously.Thus, described vehicle 110 just can carry out data transmit-receive with described service centre 140 and the described first service server 150-1 by described the Internet 130, thereby obtains the service that described service centre 140 and described first content server 150-1 provide; Perhaps, thus directly carry out data transmit-receive with described the 4th content server 150-4 by described vehicle private network 180 and obtain the content service that described the 4th content server 150-4 provides.
For avoiding causing described vehicle intelligent terminal 111 can't obtain the car internet services owing to described the Internet 130 breaks down, the car networked system that provides at present embodiment also arranges first backup server 191 and second backup server 192 respectively in described WLAN 160 and described mobile communications network 170 inside, is used at least part of car networking data at described car internet services center 140 is carried out dual backup.Described first backup server 191 is connected to one of them WAP (wireless access point) of described WLAN 160, and described second backup server 192 is connected to one of them mobile base station of described mobile communications network 170.
For realizing the backup of car networking data, can classify to the car networking data of its inside in described car internet services center 140, and be that the car networking data of each classification is distributed priority according to the data significance level, such as being divided into priority one to priority five, the data (comprising priority one and priority two) that wherein are higher than priority two are defined as high-priority data, the data of priority five are lower-priority data, and other data (comprising priority three and priority four) are the normal priority data.
Be after described car networking data is distributed priority, described car internet services center 140 can be copied described high-priority data, and offer first backup server 191 of described WLAN 160 simultaneously and second backup server 192 of described mobile communications network 170 carries out dual backup, in one embodiment, consider the problem of server stores capacity, the Backup Data of described first backup server 191 and described second backup server 192 can be different.
Particularly, described car internet services center 140 can periodically be exported described high-priority data by described the Internet 130 to described WLAN 160 and described mobile communications network 170, described WLAN 160 and described mobile communications network 170 further described high-priority data are transferred to described first backup server 191 respectively and described second backup server 192 carries out storage backup, and periodically updates Backup Data.
Under normal circumstances, the vehicle intelligent terminal 111 of described vehicle 110 is linked into described in described the Internet 130 by described Radio Access Network, and communicate by described the Internet 130 and described car internet services center 140, thereby get access to described car networking data.When described the Internet 130 breaks down, described vehicle intelligent terminal 111 just can't obtain from described car internet services center 140 and obtain service, and this moment, described vehicle intelligent terminal 111 can be selected to connect with described first backup server 191 or described second backup server 192 and obtain described Backup Data.
For guaranteeing that described vehicle intelligent terminal 111 can obtain more reliable Backup Data, in the present embodiment, described vehicle intelligent terminal 111 can adopt structure as shown in Figure 2.Particularly, see also Fig. 2, described vehicle intelligent terminal 111 can comprise processor 310, mobile communication module 320, radio access module 330, running status detection module 340 and fault detection module 350, wherein, described running status detection module 340 and described fault detection module 350 are connected to described processor 310, described processor 310 is connected to described mobile communication module 320 and described radio access module 330, and described mobile communication module 320 and described radio access module 330 can further be connected respectively to the mobile base station of described mobile communications network 170 and the WAP (wireless access point) of described WLAN 160.
When the fault detection module 350 of described vehicle intelligent terminal 111 detects described intelligent vehicle mounted terminal 111 when breaking down with communicating by letter of described car internet services center 140, described running status detection module 340 can at first detect the running status of described vehicle 110 and obtain running state information, and described running state information offered described processor 310, wherein, described running state information is in travel condition or the information that remains static for the described vehicle 110 of expression.
Described processor 310 can be known the running status of described vehicle 110 according to described running state information, if described processor 310 knows that according to described running state information described vehicle 110 remains static, described processor 310 can issue to described radio access module 330 and connect indication, described radio access module 330 is after receiving described connection indication, just can establish a communications link with described WLAN 160, and send request of data to first backup server 191 of described WLAN 160.Described first backup server 191 is after receiving described request of data, can authenticate described vehicle intelligent terminal 111 earlier, and authentication by after respond described request of data, the high-priority data that portion is within it backed up offers described vehicle intelligent terminal 111.
If described processor 310 knows that according to described running state information described vehicle 110 is in travel condition, described processor 310 can issue to described mobile communication module 320 and connect indication, described mobile communication module 320 is after receiving described connection indication, just can establish a communications link with described mobile communications network 170, and send request of data to second backup server 192 of described mobile communications network 170.Described second backup server 192 is after receiving described request of data, can authenticate described vehicle intelligent terminal 111 earlier, and authentication by after respond described request of data, the high-priority data that portion is within it backed up offers described vehicle intelligent terminal 111.
In scheme provided by the invention, described WLAN 160 and described mobile communications network 170 are respectively arranged with described first backup server 191 and second backup server 192, carry out dual backup in order to the high-priority data to car internet services center 140, make and to obtain described high-priority data from described first backup server 191 or described second backup server 192 when described vehicle intelligent terminal 111 breaks down in described the Internet 130, thereby can't obtain the car internet services when avoiding breaking down in described the Internet 130.Therefore, car networked system provided by the invention has higher service reliability.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (7)
1. car networked system, it is characterized in that, comprise: vehicle, WLAN, mobile communications network, the Internet and car internet services center, wherein said car internet services center is connected to described the Internet, described vehicle comprises vehicle intelligent terminal, described vehicle intelligent terminal is linked into described the Internet by described WLAN or described mobile communications network, described WLAN comprises first backup server, described mobile communications network comprises second backup server, described car internet services center is used for that at least part of car networking data is offered described first backup server and described second backup server backs up, and described vehicle intelligent terminal optionally obtains Backup Data from described first backup server or described second backup server for the running status according to described vehicle when communication failure occurring with described car internet services center.
2. car networked system according to claim 1 is characterized in that, described WLAN also comprises a plurality of WAP (wireless access point) and switch, and described a plurality of WAP (wireless access point) are connected to described the Internet by described switch.
3. car networked system according to claim 2 is characterized in that, described mobile communications network also comprises a plurality of mobile base stations and mobile switch, and described a plurality of mobile base stations are connected to described the Internet by described mobile switch.
4. car networked system according to claim 3 is characterized in that, described first backup server is connected to one of them WAP (wireless access point), and described second backup server is connected to one of them mobile base station.
5. car networked system according to claim 1 is characterized in that, also comprises the vehicle private network, and described vehicle-mounted private network comprises the roadside access point, and described vehicle intelligent terminal is connected to described vehicle-mounted private network by described roadside access point.
6. car networked system according to claim 5, it is characterized in that, described car networked system also comprises first content server, second content server, the 3rd content server and the 4th content server of third party service provider, and wherein said first content server, described second content server, described the 3rd content server and described the 4th content server are connected respectively to described the Internet, described WLAN, described mobile communications network and described vehicle private network.
7. the data back up method as each described car networked system of claim 1 to 6 is characterized in that, comprising:
The car networking data is classified and distribute priority;
High-priority data is offered first backup server of described WLAN and second backup server of described mobile communications network backs up;
Vehicle intelligent terminal detects the running status of described vehicle when communication failure occurring with described car internet services center;
If described vehicle remains static, described vehicle intelligent terminal and described WLAN establish a communications link and obtain described Backup Data from described first backup server;
If described vehicle is in travel condition, described vehicle intelligent terminal and described mobile communications network establish a communications link and obtain described Backup Data from described second backup server.
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| CN2013101589254A CN103269495A (en) | 2013-04-28 | 2013-04-28 | Car networking system and data backup method |
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| CN2013101589254A CN103269495A (en) | 2013-04-28 | 2013-04-28 | Car networking system and data backup method |
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