A kind of navigation map update method and device thereof based on the GPS navigation instrument
Technical field
The present invention relates to the GPS navigation device, relate in particular to a kind of navigation map update method and device thereof based on the GPS navigation instrument.
Background technology
The GPS navigation system is more and more universal, but existing navigational system can only be navigated according to built-in electronic chart.In the Vehicle Driving Cycle process, because the GPS navigation system do not upgrade in time, can't reproduce strange route, can not be driver's efficiently information of providing convenience.Because the town and country construction of China is maked rapid progress, urban and suburban roads annual rate of change is larger, the product that China's map of navigation electronic market renewal frequency is the highest also can only be accomplished to upgrade 2 times in important city year, upgrade in provincial capital and general city year and only have 1 time, road data upgrades and is difficult to guarantee on a large scale, causes a large amount of misguidances.
Open day be that on 01 19th, 2011, publication number are that the patent documentation of CN101949706A discloses such technical scheme, a kind of navigating instrument with memory function, relate to navigating instrument, relate in particular to and a kind ofly start the navigating instrument that the memory navigation can be guided route with memory module for the second time going to same local time; Comprise shell, GPS display terminal and GPS chip, the GPS display terminal comprises display and loudspeaker, and the GPS chip is arranged on enclosure, and display is arranged on case surface, and loudspeaker is located at case back; Also comprise memory module, mileage tracking module, mileometer circuit and microprocessor; Its beneficial effect is: when the second time, same departure place left for same destination, only need to open memory navigation starting button, even when not having navigation signal, navigating instrument still can be made correct navigation for the driver.The weak point of this scheme is: memory module has only recorded navigation information and mileage on the route that has existed on the navigation picture, Vehicle Driving Cycle is crossed, and for secondary this route that travels is provided convenience, can not carry out route to existing navigation picture and augment renewal.
Summary of the invention
The present invention solves the existing navigation map route of prior art to augment, upgrade the technical matterss such as untimely, and a kind of navigation map update method and device thereof based on the GPS navigation instrument is provided.
The present invention is directed to the prior art problem and mainly solved by following technical proposals, a kind of navigation map update method based on the GPS navigation instrument comprises the steps:
A, a vehicle-mounted GPS navigator communicate with a route processing unit and are connected, and route processing unit practical function comprises latitude and longitude information, the processing of route track of reading in real time current location;
B, when in vehicle-mounted GPS navigator, can not find out the destination, then open the route processing unit, longitude and latitude sampling and record are carried out in institute's route via pointwise from origin to destination, arrive add the departure place title behind the destination, the destination title together is stored as the specified format file;
C, route processing unit be according to described specified format file, and it is a new navigation way that the sampled point with longitude and latitude is carried out successively from first to last that track is formed by connecting, and this new navigation way is sent to vehicle-mounted GPS navigator.
The method increases a route processing unit on existing vehicle-mounted GPS navigator basis.After the title of vehicle-mounted GPS navigator input destination, if can retrieve this destination, then allow the vehicle-mounted GPS navigator navigation feature of bringing into normal play, travel by navigation way; If retrieval is less than the destination, illustrating that existing navigation map does not upgrade can't provide navigation, this moment, the driver travelled by rule of thumb or from the information that other approach are known, behind vehicle launch, open the latitude and longitude information that reads in real time current location in the route processing unit travel route is carried out the longitude and latitude sampling, finish sampling after arriving the destination, input departure place title and destination title and longitude and latitude sampled data together are stored as a file by specified format; The route processing unit is by this specified format file, it is a new navigation way that sampled point with longitude and latitude is carried out successively from first to last that track is formed by connecting, and this new navigation way is sent to vehicle-mounted GPS navigator, for this navigating instrument has increased again a new navigation way.
Further, the specified format file is sent to the map datum processing enter with communication, according to the specified format file navigation map is carried out standard format in the map datum processing enter and process, and the standard format navigation map after will processing is sent to the route processing unit vehicle-mounted GPS navigator is carried out the map renewal.The specified format file of each automatic navigator represents a new circuit, focus on after focusing on the map datum processing enter, not only can in time find new open line, can also be by optimizing and standardization, thereby become the upgrading navigation map of standard format, again the upgrading navigation map of standard format is sent to the route processing unit vehicle-mounted GPS navigator is upgraded.
A kind of navigation map updating device based on the GPS navigation instrument comprises that vehicle-mounted GPS navigator communicates with a route processing unit to be connected, and is provided with storage beginning key and storage end key at vehicle-mounted GPS navigator.After the title of vehicle-mounted GPS navigator input destination, if can retrieve this destination, then allow the vehicle-mounted GPS navigator navigation feature of bringing into normal play, travel by navigation way; If retrieval is less than the destination, illustrating that existing navigation map does not upgrade can't provide navigation, this moment, the driver travelled by rule of thumb or from the information that other approach are known, press and open the latitude and longitude information that reads in real time current location in the route processing unit behind the storage beginning key travel route is carried out the longitude and latitude sampling, press the storage end key after arriving the destination, prompting this moment input departure place title and destination title together are stored as a file by specified format with the longitude and latitude sampled data; The route processing unit is by this specified format file, it is a new navigation way that sampled point with longitude and latitude is carried out successively from first to last that track is formed by connecting, this route has the title of departure place title and destination, and this new navigation way is sent to vehicle-mounted GPS navigator, for this navigating instrument has increased again a new navigation way.
As preferably, the route processing unit connects a wireless communication module, and the route processing unit carries out radio communication by wireless communication module with the map datum processing enter in strange land and is connected.The specified format file that the route processing unit will contain route latitude and longitude information, departure place title and destination title sends to the map datum processing enter in strange land, according to the specified format file navigation map is carried out standard format in the map datum processing enter and process, and the standard format navigation map after will processing is sent to the route processing unit vehicle-mounted GPS navigator is carried out the map renewal.
As preferably, the route processing unit comprises CPU, storer, data sampling module, route track processing module, communication management module.Finish the route track of GPS longitude and latitude sampling (reading), file storage, specified format file is processed and with the telecommunication management of vehicle-mounted GPS navigator and map datum processing enter etc.
As preferably, the map datum processing enter comprises computing machine, map edit and data processing module, mapping instrument, wireless communication module, communication management module, and wireless communication module connects computing machine.The map datum processing enter receives the specified format file that the route processing unit on each vehicle sends, each the specified format file that receives is processed, comprise map edit and map datum format analysis processing, the drafting of standard format navigation map etc., the route processing unit that the standard format navigation map after will processing again is sent on each vehicle at any time or regularly carries out the navigation map upgrading to vehicle-mounted GPS navigator.
The beneficial effect that the present invention brings is, the discovery of new open line and measurement in time and by the user who is dispersed in various places are finished, provide very big convenience for the navigation map route is augmented, navigation map upgrades, and the user can augment new navigation way voluntarily, also can be after receiving the standard format navigation map of map datum processing enter in time to the renewal of upgrading of vehicle-mounted GPS navigator navigation map.
Description of drawings
Fig. 1 is a kind of process flow diagram of the present invention;
Fig. 2 is a kind of theory diagram of the present invention.
Among the figure: the 1st, vehicle-mounted GPS navigator, the 2nd, storage beginning key, the 3rd, storage end key, the 4th, wireless communication module, the 5th, route processing unit, the 6th, CPU, the 7th, storer, the 8th, data sampling module, the 9th, route track processing module, the 10th, route processing unit communication administration module, the 11st, map datum processing enter, the 12nd, computing machine, the 13rd, map edit and data processing module, the 14th, mapping instrument, the 15th, map datum processing enter communication management module.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is further described in detail.
Embodiment: Figure 1 shows that the navigation map update method process flow diagram based on the GPS navigation instrument, basic step comprises:
Step 101 is opened vehicle-mounted GPS navigator, input destination title;
Step 102 if can find the destination, turns step 104 and uses vehicle-mounted GPS navigator to travel by navigation way;
Step 103 if can not find out the destination, is then opened the route processing unit behind vehicle launch, travel route is carried out the longitude and latitude sampling, and the sampled point interval is set in advance, sampled data autostore (losing for preventing accident);
Step 105 if arrive the destination, is stored as a file with the route longitude and latitude data that gather and departure place title and destination title by the data layout of mapping instrument requirement;
Step 106 is at first filtered removal with the file of storing in the step 105 and is disturbed;
Step 107 is carried out the route track and is processed, and forms a new navigation way;
Step 108 is judged the formed new navigation way of step 107, if truly feasible travel route then augments in the navigation map, otherwise with its deletion;
Step 109 sends to the map datum processing enter with the file of the specified format of step 105 storage;
Step 110 receives the navigation map upgrade file that the map datum processing enter is sent, and vehicle-mounted GPS navigator is carried out the navigation map upgrading.
Figure 2 shows that the theory diagram based on the navigation map updating device of GPS navigation instrument, vehicle-mounted GPS navigator 1 carries out wire communication with route processing unit 5 and is connected, by wireless communication module 4, route processing unit 5 carries out radio communication with map datum processing enter 11 and is connected, and at vehicle-mounted GPS navigator 1 storage beginning key 2 and storage end key 3 is set.
Route processing unit 5 comprises CPU 6, storer 7, data sampling module 8, route track processing module 9 and route processing unit communication administration module 10.Wherein, storer 7 storage longitude and latitude sampling files, the data sampling module 8 in accordance with regulations frequency latitude and longitude value that reads vehicle GPS is namely carried out the longitude and latitude sampling to travel route, route track processing module 9 pair warp and weft degree samplings file is removed the data such as interference and is processed and form in proportion route track with departure place title and destination title, and 10 pairs of route processing unit communication administration modules are communicated by letter with vehicle-mounted GPS navigator 1 with communicating by letter with map datum processing enter 11 and managed.
Map datum processing enter 11 comprises wireless communication module 4, computing machine 12, map edit and data processing module 13, mapping instrument 14 and map datum processing enter communication management module 15.Wherein, each specified format file that 13 pairs of map edit and data processing modules receive is processed, comprise map edit and map datum format analysis processing, draw out the navigation map of standard format with map drawing tool 14,15 pairs of route processing unit 5 radio communications with each user side of map datum processing enter communication management module manage.
If can not find out the destination after opening vehicle-mounted GPS navigator 1, after beginning to travel, presses by vehicle storage beginning key 2, route processing unit 5 begins travel route is carried out the longitude and latitude sampling, press storage end key 3 after arriving the destination, prompting input departure place title on the vehicle-mounted GPS navigator, the destination title, afterwards again by storage end key 3, route processing unit 5 is with route longitude and latitude image data and the departure place title of autostore, the destination title together is kept in the storer 7 as a file by form, if long by storage end key 3 then do not preserve file and with the longitude and latitude data deletion that gathers; After file is saved, the route track is drawn out as new navigation way in route processing unit 5, the file that is saved also sends to view data processing enter 11 and carries out standardization, form standardized navigation map upgrade version, be sent to again 5 pairs of vehicle-mounted GPS navigators in route processing unit 1 and carry out the map upgrading.
So the present invention has following characteristics: the discovery of new open line and measurement in time and by the user who is dispersed in various places are finished, provide very big convenience for the navigation map route is augmented, navigation map upgrades upgrading, and the user can augment new navigation way voluntarily, also can be after receiving the standard format navigation map of map datum processing enter in time to the renewal of upgrading of the navigation map of vehicle-mounted GPS navigator.