CN201034609Y - Vehicle carried pilot system - Google Patents
Vehicle carried pilot system Download PDFInfo
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- CN201034609Y CN201034609Y CNU2007200677794U CN200720067779U CN201034609Y CN 201034609 Y CN201034609 Y CN 201034609Y CN U2007200677794 U CNU2007200677794 U CN U2007200677794U CN 200720067779 U CN200720067779 U CN 200720067779U CN 201034609 Y CN201034609 Y CN 201034609Y
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Abstract
The utility model reveals a vehicle navigation system, comprising a first type media access device, a second type media access device, a memory and a vehicle positioner. The second type media access device is connected to the first type media access device by a processor; the processor identifies data which needs to be introduced from navigation map data of the first type media into the second type media and performs introduction. The memory is connected to the processor which performs access operation to the memory. The vehicle positioner is also connected to the processor, which is used to position current position of the vehicle. The processor performs navigation based on data of the first type media and the current position of the vehicle provided by the vehicle positioner or data of the second type media and the current position of the vehicle provided by the vehicle positioner. The utility model can realize massive data downloading and cache, and fully release optical drive. Further, users can choose downloaded area, range and size according to needs, which is time saving and convenient.
Description
Technical field
The utility model relates to vehicle-mounted instrument, more particularly, relates to a kind of Vehicular navigation system.
Background technology
At present, pre-installed automatic navigator uses the carrier of CD as map datum usually.With reference to shown in Figure 1, be a kind of mechanism map of automatic navigator commonly used, this navigating instrument 100 comprises:
CD drive 102 is used to read map CD 104;
GPS orientator 106 provides the GPS locating information of vehicle;
Processor 108 is connected to CD drive 102 and GPS orientator 106, provides navigation information according to the cartographic information that reads from map CD 104 in conjunction with the GPS locating information that GPS orientator 106 provides;
Information presentation device 110 is connected in processor 108, with the form show navigator information of image and/or voice.
Usually, have only a CD-ROM drive on the navigating instrument main frame of onboard navigation system, shared by audio entertainment with navigation, if use navigation feature, just can't utilize CD-ROM drive to appreciate the laser disc music again, as listening CD etc.For addressing this problem, mainly contain two kinds of methods at present:
1) increases by second CD-ROM drive;
2) map datum is stored in inside, as built-in hard disk, or the path that will at every turn calculate is stored in the built-in small-capacity memory and is used temporarily.
Two kinds of approach can be in the process of using navigation feature the playing back music laser disc.But first method is owing to increased CD-ROM drive, and cost increases, and this is uneconomic for integral vehicle cost; Second method, the hard disk cost is also very high, though and built-in small-capacity memory cost is lower, but capacity is less, that often downloads is regional less, or needs complicated algorithm to calculate the data which current path navigation needs needs download, and downloads the zone or begins new route navigation in case depart from, just must be reentered into the map CD, use and inconvenience.
The utility model content
The utility model aims to provide a kind of new onboard navigation system, utilize existing vehicle-mounted media resource, realize lot of data download buffer memory, thereby fully discharge CD-ROM drive, and make the user can select the regional extent size of downloading as required, concerning the user, save time and convenient.
According to the utility model, a kind of onboard navigation system is provided, comprising: first kind media access unit, read the navigation map data that is stored on the first kind medium; The second type of media access device links to each other with described first kind media access unit by a processor; Described processor is connected in the described first kind media access unit and the second type of media access device, determine from the navigation map data on being stored in first kind medium, to import to the data on second type of media, and from the described navigation map data that is stored on the first kind medium, import data to the second type of media that needs; Storer is connected in described processor, and described processor carries out accessing operation to described storer; Vehicle locating device is connected in described processor, the current location of positioned vehicle; Wherein, the vehicle current location that described processor provides based on the data on the first kind medium and vehicle locating device is perhaps navigated based on the vehicle current location that the data on second type of media and vehicle locating device provide.
According to an embodiment, this onboard navigation system also comprises: the command reception device, receive navigation instruction, wherein, described processor is based on the definite data that need import to from the navigation map data on being stored in first kind medium on second type of media of navigation instruction.And information presentation device is connected in described processor, navigates with the form of image and/or voice.In an example, described information presentation device comprises display and loudspeaker, and points out outside vehicle rolls navigation area away from the time.
According to an embodiment, the processor of this onboard navigation system also comprises the capacity predict device, calculates the capacity of needed second type of media based on described navigation map data and navigation instruction.And described encryption device obtains encrypted code from storer, and uses this encrypted code that the data that import on second type of media are encrypted.
First kind media access unit is one that is selected from following: CD drive, read the navigation map, the disc driver that are stored on the CD, and read the navigation map, the flash drive that are stored on the disk, read the navigation map that is stored on the flash memory.And the second type of media access device is one that is selected from following: the SD card reader, second type of media is SD card, mmc card card reader, second type of media is mmc card, XD card reader, and second medium type is XD card, CF card reader, and second medium type is the CF card.
An example of vehicle locating device is the GPS orientator.
The technical solution of the utility model solves the deficiency of dual mode of the prior art, and better utilization has vehicle-mounted media resource now, has proposed the new way that a kind of data download is carried out automobile navigation.Can not only realize lot of data download buffer memory, thereby fully discharge CD-ROM drive; And the user can select the regional extent size downloaded as required, saves time concerning the user and convenient.Because this car at the navigational system utilization existing media that navigates, does not therefore increase the cost of bicycle.
Description of drawings
The above and other feature of the present utility model, character and advantage will be by becoming more obvious below in conjunction with accompanying drawing to the description of embodiment, and identical in the accompanying drawings Reference numeral is represented identical feature all the time, wherein:
Fig. 1 is the structural drawing of automatic navigator of the prior art;
Fig. 2 is the structural drawing according to the onboard navigation system of an embodiment of the present utility model.
Embodiment
Further describe the technical solution of the utility model below in conjunction with drawings and Examples.
With reference to figure 2, this onboard navigation system 200 comprises:
First kind media access unit 202 reads the navigation map data that is stored on the first kind medium 204.First kind media access unit 202 can be for being selected from following: CD drive, read the navigation map, the disc driver that are stored on the CD, read the navigation map or the flash drive that are stored on the disk, read the navigation map that is stored on the flash memory.Wherein, Chang Yong first kind media access unit 202 is CD drive the most, and first kind medium 204 are CDs.
The second type of media access device 206 links to each other with first kind media access unit 202 by a processor 210.
Vehicle locating device 212 is connected in processor 210, the current location of positioned vehicle.According to an embodiment, vehicle locating device is the GPS orientator.
Wherein, the vehicle current location that processor 210 can provide based on the data on the first kind medium 204 and vehicle locating device 212 is perhaps navigated based on the vehicle current location that the data on second type of media 208 and vehicle locating device 212 provide.
With reference to embodiment shown in Figure 2, this onboard navigation system 200 also comprises:
This onboard navigation system 200 also comprises information presentation device 218, is connected in processor 210, navigates with the form of image and/or voice.Such as, this information presentation device comprises display and loudspeaker, and points out outside vehicle rolls navigation area away from the time.
In embodiment shown in Figure 2 200, processor 210 also comprises capacity predict device 216, calculates the capacity of needed second type of media based on navigation map data and navigation instruction.
In preferable implementation, this processor 210 also comprises encryption device 220, and encryption device 220 obtains encrypted code from storer 215, and uses this encrypted code that the data that import on second type of media 208 are encrypted.By cryptographic operation, can effectively realize the range of scatter of data, just can read these data such as the second type of media access device that can limit appointment.
All integrated multimedia at present a lot of onboard systems is comprising the portable cards media play such as the SD card.Therefore the utility model is considered the data of optical disk download is cached to such as in the particular category in the portable cards of SD card.Like this, the user can select data download at any time.By the zone that the man-machine interface selection will be downloaded, generally this zone is a circle.The user at first selects to download the center (being defaulted as current location) in zone by map, determine to download the radius in zone then, such as 100 kilometers, 200 kilometers, in addition farther.If the capacity of SD card is enough big, even can download whole data.For example, downloading with vehicle current location on the map is the data in 200 kilometers zones of center radius.After download was finished, the user just can take out the map CD, the CD of listening to the music; Simultaneously can directly use the data that download in the SD card particular category, in the map area of 200 kilometers of radiuses, realize and the identical navigation feature of use CD, as the destination input, road calculates, voice suggestion, point of interest (POl) demonstration, or the like, thereby CD-ROM drive discharged.When the user wants to listen music in the SD card, can put into the map CD again, continue navigation.Its essence is that finger by the map datum backup that the user makes corresponding size as required, uses efficacy outcomes to realize similar two CD-ROM drives, but is than the benefit of two CD-ROM drives:
1) many a kind of media play function;
2) SD Card Reader demoder is lower than CD-ROM drive price;
3) but SD card multi-usage use, reuse flexible operation.
In general, the scope that radius is 200 kilometers is enough for the general use in the city, unless way therefore far away travelling, the user no longer must often download the buffer memory map datum again.The utility model also provides following function:
1) protection of map datum is realized by processor.Because data are downloaded on the foreign medium SD card; for protecting this part data; in the downloading process; according to the encrypted code that is stored in the storer data that download on the SD card are encrypted; encrypted code is corresponding one by one with hardware, and this part data only can be used on that navigating instrument of downloading.
2) determining of SD card capacity is by having comprised the capacity predict device in the processor.The capacity predict device can be used for selecting different download radiuses, determines the different data downloaded amounts that need.When using navigational system method of the present utility model, the capacity of computational data roughly, and require the user to use the SD card of free space greater than this capacity.For example, the user selects to download the map datum of 200 kilometers of radiuses, and the capacity predict device of processor calculates and needs the data downloaded amount is 300MB, should point out and require the user to use the SD card of 512MB to come data download at least so.
3) surmount the processing of data area.When vehicle rolls data area on the SD away from, or the destination of input is outside the data area, and navigating instrument need point out the user to put into the map CD.This function is realized jointly by processor and information presentation device.
Therefore the non-dispensing of dispatching from the factory of SD card can not increase single vehicle cost.Need the car owner of this function to buy voluntarily and need the SD of capacity card.Need to prove, except the SD card, also be the example of the portable cards used always such as mmc card, XD card, CF card, all can be used in the utility model.
The technical solution of the utility model solves the deficiency of dual mode of the prior art, and better utilization has vehicle-mounted media resource now, has proposed the new way that a kind of data download is carried out automobile navigation.Can not only realize lot of data download buffer memory, thereby fully discharge CD-ROM drive; And the user can select the regional extent size downloaded as required, saves time concerning the user and convenient.Because this car is at the navigational system utilization existing media that navigates, therefore do not increase the cost of bicycle, the hard disk or second CD-ROM drive can not increased, do not increase on the basis of bicycle hardware cost, adopt the navigation map data high capacity to download and be cached to the SD card, the user can select to download the size in zone as required with actual conditions, realize the abundant release of CD-ROM drive.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present utility model; those skilled in the art can be under the situation that does not break away from invention thought of the present utility model; the foregoing description is made various modifications or variation; thereby protection domain of the present utility model do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (9)
1. an onboard navigation system is characterized in that, comprising:
First kind media access unit reads the navigation map data that is stored on the first kind medium;
The second type of media access device links to each other with described first kind media access unit by a processor;
Described processor is connected in the described first kind media access unit and the second type of media access device, transferring data between the first kind medium and second type of media;
Storer is connected in described processor, and described processor carries out accessing operation to described storer;
Vehicle locating device is connected in described processor, the current location of positioned vehicle.
2. onboard navigation system as claimed in claim 1 is characterized in that, also comprises:
The command reception device receives navigation instruction, and this receiving trap is connected to described processor.
3. onboard navigation system as claimed in claim 1 is characterized in that, also comprises:
Information presentation device is connected in described processor, navigates with the form of image and/or voice.
4. onboard navigation system as claimed in claim 3 is characterized in that described information presentation device comprises display and loudspeaker.
5. onboard navigation system as claimed in claim 1 is characterized in that described processor comprises the capacity predict device, calculates the capacity of needed second type of media based on described navigation map data and navigation instruction.
6. onboard navigation system as claimed in claim 1 is characterized in that described processor comprises encryption device, and described encryption device is connected to described storer, stores password in the described storer.
7. as each described onboard navigation system among the claim 1-6, it is characterized in that,
Described first kind media access unit is one that is selected from following:
CD drive, read the navigation map that is stored on the CD,
Disc driver, read the navigation map that is stored on the disk,
Flash drive reads the navigation map that is stored on the flash memory.
8. onboard navigation system as claimed in claim 7 is characterized in that,
The described second type of media access device is one that is selected from following:
SD card reader, second type of media be the SD card,
Mmc card card reader, second type of media be mmc card,
XD card reader, second medium type be the XD card,
CF card reader, second medium type are the CF card.
9. onboard navigation system as claimed in claim 8 is characterized in that,
Described vehicle locating device is the GPS orientator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200677794U CN201034609Y (en) | 2007-03-13 | 2007-03-13 | Vehicle carried pilot system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200677794U CN201034609Y (en) | 2007-03-13 | 2007-03-13 | Vehicle carried pilot system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034609Y true CN201034609Y (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200677794U Expired - Lifetime CN201034609Y (en) | 2007-03-13 | 2007-03-13 | Vehicle carried pilot system |
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| Country | Link |
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| CN (1) | CN201034609Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110659339A (en) * | 2018-06-28 | 2020-01-07 | 视联动力信息技术股份有限公司 | Map data processing method and device |
| CN114556285A (en) * | 2019-10-08 | 2022-05-27 | 美光科技公司 | Media type selection |
-
2007
- 2007-03-13 CN CNU2007200677794U patent/CN201034609Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110659339A (en) * | 2018-06-28 | 2020-01-07 | 视联动力信息技术股份有限公司 | Map data processing method and device |
| CN114556285A (en) * | 2019-10-08 | 2022-05-27 | 美光科技公司 | Media type selection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Anting Jiading District Town, Shanghai City Road No. 123 in 201805 Patentee after: SAIC VOLKSWAGEN AUTOMOTIVE COMPANY LIMITED Address before: 201805 No. 63, Luopu Road, Shanghai, Anting Patentee before: Dazhang Automobile Co., Ltd., Shanghai |
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| CX01 | Expiry of patent term |
Granted publication date: 20080312 |
|
| CX01 | Expiry of patent term |