CN103134518A - Navigation information broadcasting method and vehicle-mounted device - Google Patents

Navigation information broadcasting method and vehicle-mounted device Download PDF

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Publication number
CN103134518A
CN103134518A CN2012105728497A CN201210572849A CN103134518A CN 103134518 A CN103134518 A CN 103134518A CN 2012105728497 A CN2012105728497 A CN 2012105728497A CN 201210572849 A CN201210572849 A CN 201210572849A CN 103134518 A CN103134518 A CN 103134518A
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highway section
navigation information
sub
highway
distance
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CN2012105728497A
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CN103134518B (en
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李军
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Pateo Connect and Technology Shanghai Corp
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Shanghai Pateo Electronic Equipment Manufacturing Co Ltd
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Abstract

The invention provides a navigation information broadcasting method and a vehicle-mounted device. The navigation information broadcasting method and the vehicle-mounted device are used for navigation information broadcast without navigation routes. The navigation information broadcasting method includes successively guaranteeing at least two secondary sections, wherein the first secondary section is a current section, and the second secondary section is a section connected with the guaranteed secondary section; guaranteeing a virtual route successively formed by the secondary sections in a connected mode; obtaining navigation information in a first distance in the front of the current position on the virtual route; and broadcasting the navigation information when the distance navigation information corresponding position is the second distance which is smaller than the first distance. The navigation information broadcasting method and the vehicle-mounted device overcome the defect of navigation information of a navigation-free route, and driving broadcast method further guarantees traffic safety.

Description

Navigation information broadcasting method and mobile unit
Technical field
The present invention relates to automotive field, relate in particular to a kind of navigation information broadcasting method and mobile unit.
Background technology
Fast development along with automobile industry, increasing mobile unit is developed, such as onboard navigation system, GPS(Global Positioning System) location, TTS(Text to Speech) report, vehicle-carrying DVD broadcast, vehicle-carrying communication etc.At present, utilizing GPS(Global Position System, GPS) application of positioned vehicle current location is very general., also more and more be applied in daily life in conjunction with the on-vehicle navigation apparatus that electronic map data forms by positioning system.
The data that the onboard navigation system use GPS of prior art provides are latitude and longitude information and course for example, mates with the highway section in electronic map data, can help the user to search out current location to the best traffic route between the destination; Concrete, the method for the vehicle mounted guidance of prior art comprises step: start navigational system, and default destination information; Obtain this car current location information and current time information; Calculate current location and form route to the coupling between the destination, form navigation way, begin navigation.After navigation feature was opened, automobile travelled along navigation way, and navigator can provide the informations such as cyberdog on guidance path.
But, if navigation feature is not activated, namely do not have in the situation of navigation way, just can't obtain about the road information on driving path.The information user who comprises road type and real-time road can only just can know by manual queries, and in the driving process, manual queries and filter information can reduce travel safety undoubtedly.Even and if cyberdog information manual queries also has no way of obtaining, navigation information lacks integrality.
Summary of the invention
What technical solution of the present invention solved is prior art in the situation that do not have the navigation way navigation information imperfect, and the acquisition pattern of navigation information also can reduce travel safety.
Technical solution of the present invention provides a kind of navigation information broadcasting method, is used for carrying out navigation information and reports when there is no navigation way, comprising:
Determine successively at least two strip highway sections, wherein, the first strip highway section is current highway section, and rear one sub-highway section is a highway section that is connected with last fixed sub-highway section;
Determine virtual route, described virtual route is connected successively by described sub-highway section and forms;
Obtain current location the place ahead the first interior navigation information of distance on described virtual route;
When distance navigation information correspondence position is second distance, described navigation information to be reported, described second distance is less than the first distance.
Optionally, when only having a highway section to be connected with last fixed sub-highway section, a described only highway section is rear one sub-highway section.
Optionally, when having at least two highway sections to be connected with last fixed sub-highway section, the highway section identical with described last fixed sub-highway section road name is rear one sub-highway section.
Optionally, when having at least two highway sections to be connected with last fixed sub-highway section, the highway section that the highest grade of highway section is rear one sub-highway section.
Optionally, when having at least two rule highway sections to be connected with last fixed sub-highway section, the highway section of the bearing of trend angulation minimum in highway section bearing of trend and described last fixed sub-highway section is rear one sub-highway section.
Optionally, described navigation information broadcasting method also comprises: a required satisfied rule in sub-highway section after arranging; When having at least two highway sections to be connected with last fixed sub-highway section, the highway section of satisfying described rule is rear one sub-highway section.
Optionally, described first the distance be 500 meters-3000 meters.
Optionally, described navigation information correspondence position is: comprise the position, sub-highway section of navigation information or comprise the first position, strip highway section in the continuous sub-highway section of identical navigation information.
Optionally, described navigation information comprises: bridge information, tunnel information, cyberdog information, congestion information or jogging information.
Technical solution of the present invention also provides a kind of mobile unit, is used for carrying out navigation information and reports when there is no navigation way, comprising:
Sub-highway section determining unit is suitable for determining successively at least two strip highway sections, and wherein, the first strip highway section is current highway section, and rear one sub-highway section is a highway section that is connected with last fixed sub-highway section;
Virtual route determining unit is suitable for determining virtual route, and described virtual route is connected successively by described sub-highway section and forms;
Navigation information acquisition unit is suitable for obtaining current location the place ahead the first interior navigation information of distance on described virtual route;
Report the unit, be suitable for when distance navigation information correspondence position is second distance, described navigation information being reported, described second distance is less than the first distance.
Compared with prior art, technical solution of the present invention can be in the situation that do not have navigation way (not starting navigation feature) to determine a virtual route, route virtual according to this obtains navigation information and correspondence position thereof, and reported in advance this navigation information not travelling to this navigation information correspondence position, the disappearance of navigation information when having made up without navigation way, the mode of initiatively reporting has also guaranteed traffic safety.
Description of drawings
Fig. 1 is the embodiment process flow diagram of navigation information broadcasting method of the present invention;
Fig. 2 is road connection diagram of the present invention;
Fig. 3 is the example structure schematic diagram of mobile unit of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.With way of example, the present invention is described more specifically with reference to accompanying drawing in the following passage.According to following explanation, advantages and features of the invention will be clearer.
As shown in Figure 1, technical solution of the present invention provides a kind of navigation information broadcasting method, is used for carrying out navigation information and reports when there is no navigation way, comprising:
Step S1 determines at least two strip highway sections successively, and wherein, the first strip highway section is current highway section, and rear one sub-highway section is a highway section that is connected with last fixed sub-highway section;
Step S2 determines virtual route, and described virtual route is connected successively by described sub-highway section and forms;
Step S3 obtains current location the place ahead the first interior navigation information of distance on described virtual route;
Step S4 when distance navigation information correspondence position is second distance, reports described navigation information, and described second distance is less than the first distance.
After determining, the first kind of way in a sub-highway section can be: when only having a highway section to be connected with last fixed sub-highway section, a described only highway section is rear one sub-highway section.As shown in Figure 2, current road is comprised of the first highway section link1 that links together and the second highway section link2, if the first highway section link1 is fixed sub-highway section, the second highway section link2 is rear one sub-highway section, because only there is the second highway section link2 in the highway section that is connected with the first highway section link1.
After determining, the second way in a sub-highway section can be: when having at least two highway sections to be connected with last fixed sub-highway section, the highway section identical with described last fixed sub-highway section road name is rear one sub-highway section.Continuation is with reference to figure 2, and the Third Road section link3 that the first route connects successively, the 4th highway section link4 and the 5th highway section link5 form, and the 6th highway section link6 that the second route connects successively and the 7th highway section link7 form.The highway section that is connected with the second highway section link2 has two, is respectively: Third Road section link3 and the 6th highway section link6.Suppose that Third Road section link3 is identical with the road name of the second highway section link2.If the second highway section link2 is fixed sub-highway section, the rear one sub-highway section of determining according to the second way is Third Road section link3.After the rear one sub-highway section of the second highway section link2 is determined, Third Road section link3 becomes fixed sub-highway section, be connected with it the 4th highway section link4 is only arranged, after determining according to first kind of way, a sub-highway section is the 4th highway section link4, the like can obtain the 4th highway section link4 a rear strip highway section be the 5th highway section link5.
After determining, the third mode in a sub-highway section can be: when having at least two highway sections to be connected with last fixed sub-highway section, the highway section that the highest grade of highway section is rear one sub-highway section.The information in highway section comprises the highway section grade.Intercity high speed is 0 grade, and it is 1 grade that the city (comprises overhead and the through street, city) at a high speed, and national highway is 2 grades, and provincial highway is 3 grades, and county road is 4 grades, and the road, village is 5 grades, and other roads are 6 grades.Progression more higher grade of path section, and what all highway section middle grades were the highest is intercity high speed.Continuation supposes that with reference to figure 2 the second highway section link2 and Third Road section link3 are the city high speed, and the 6th highway section link6 and the 7th highway section link7 are intercity high speed.If the second highway section link2 is fixed sub-highway section, the rear one sub-highway section of determining according to the third mode is the 6th highway section link6.After the rear one sub-highway section of the second highway section link2 was determined, the 6th highway section link6 became fixed sub-highway section, and connected only have the 7th a highway section link7, and after determining according to first kind of way, a sub-highway section is the 7th highway section link7.
After determining, the cubic formula in a sub-highway section can be: when having at least two rule highway sections to be connected with last fixed sub-highway section, the highway section of the bearing of trend angulation minimum in highway section bearing of trend and described last fixed sub-highway section is rear one sub-highway section.The bearing of trend of determining the highway section can comprise: determine the connected node between the highway section; Determine shape point nearest with this connected node on every highway section; Straight line connects described connected node and nearest shape point, described connection straight line is followed the bearing of trend sailed on direction as the bearing of trend in described highway section.Continuation is with reference to figure 2, the second highway section link2, Third Road section link3 and the 6th highway section link6 intersect at the first connected node, the first shape point is the nearest shape point of the second highway section link2 upper distance the first connected node, the second shape point is the nearest shape point of Third Road section link3 upper distance the first connected node, and the 3rd shape point is the nearest shape point of the 6th highway section link6 upper distance the first connected node.Connect the first shape point and the first connected node with the first straight line, connect the second shape point and the first connected node with the second straight line, connect the 3rd shape point and the first connected node with the 3rd straight line.Suppose that automobile current driving direction is for from the bottom to top, the 3rd straight line and the first straight line angulation are less than the second straight line and the first straight line angulation, if the second highway section link2 is last fixed sub-highway section, the rear one sub-highway section of determining according to the 4th kind of mode is the 6th highway section link6.After the rear one sub-highway section of the second highway section link2 was determined, the 6th highway section link6 became fixed sub-highway section, and connected only have the 7th a highway section link7, and after determining according to first kind of way, a sub-highway section is the 7th highway section link7.
When described navigation information broadcasting method also comprise arrange after during a sub-highway section required satisfied regular step, after determining, the 5th kind of mode in a sub-highway section can be: when having at least two highway sections to be connected with last fixed sub-highway section, the highway section of satisfying described rule is rear one sub-highway section.Required satisfied rule can be the left side that is positioned at last fixed sub-highway section, can be also the right side that is positioned at last fixed sub-highway section.
Five kinds of modes of the above-mentioned second way to the can be chosen any one kind of them as the method in a sub-highway section after determining, also comprehensively adopt this four kinds of modes.For example, five kinds of modes of the second way to the are discharged priority, when the rear one sub-highway section that utilizes the high mode of priority to determine still has two at least, adopt the mode of time one-level to determine, the like, until the highway section that is connected with last sub-highway section adopt again when only having one first kind of way to determine after a sub-highway section.
Execution in step S1 can determine every sub-highway section, in step S2, connects successively this a little highway section and just can determine virtual route.For example, in the explanation of the second way in a sub-highway section for example, if current highway section is the second highway section link2, virtual route is comprised of the second highway section link2, the Third Road section link3, the 4th highway section link4 and the 5th highway section link5 that connect successively after determining.
In step S3, obtain the information in the interior every strip highway section of the first distance of current location the place ahead on described virtual route, and judge in the information in sub-highway section whether comprise navigation information.Navigation information comprises: bridge information, tunnel information, cyberdog information, congestion information or jogging information.The information in sub-highway section can comprise: the adjunct information in the attribute information in highway section, highway section or the real-time road condition information in highway section, wherein, bridge information or tunnel information are included in the attribute information in highway section, cyberdog information is included in the adjunct information in highway section, and congestion information or jogging information are included in the real-time road condition information in highway section.
Described navigation information correspondence position is: comprise the position, sub-highway section of navigation information or comprise the first position, strip highway section in the continuous sub-highway section of identical navigation information.The position at place, sub-highway section can for described on travel direction first node position in sub-highway section.The first strip highway section in continuous sub-highway section can be sailed for being expert on direction in the first strip highway section in continuous sub-highway section.
For example, be provided with electronic dog device on the 7th highway section link7 shown in Figure 2, the 4th highway section link4 and the 5th highway section link5 are bridge.If being current road and the second road, the virtual route of determining forms, the 7th highway section link7 apart from current location less than first apart from the time, cyberdog information in the adjunct information of the 7th highway section link7 is acquired, and described the 7th link7 position, highway section saves as the navigation information correspondence position.If automobile travels from bottom to top, the virtual route of determining is that current road and the first road form, the 4th highway section link4 and the 5th highway section link5 all apart from current location less than first apart from the time, bridge information in the attribute information of the 4th highway section link4 and the 5th highway section link5 is acquired, because the 4th highway section link4 is the first strip highway section in continuous the 4th highway section link4 and the 5th highway section link5, so the 4th link4 position, highway section saves as the navigation information correspondence position.
Described the first distance can be 500 meters-3000 meters.The detection of the first distance and second distance and account form can with reference to measure the technical scheme of current location and electronic dog device distance in the situation that navigation way is arranged in prior art on navigation way, repeat no more herein.For example, current road and the second road form virtual route, the actual range of current location and the 6th highway section link6 is 1400 meters, and the actual range of current location and the 7th highway section link7 is 1900 meters, can only obtain the information in the highway section between current location and the 6th highway section link6.
As shown in Figure 3, technical solution of the present invention also provides a kind of mobile unit, is used for carrying out navigation information and reports when there is no navigation way, comprising:
Sub-highway section determining unit 11 is suitable for determining successively at least two strip highway sections, and wherein, the first strip highway section is current highway section, and rear one sub-highway section is a highway section that is connected with last fixed sub-highway section;
Virtual route determining unit 12 is suitable for determining virtual route, and described virtual route is connected successively by described sub-highway section and forms;
Navigation information acquisition unit 13 is suitable for obtaining current location the place ahead the first interior navigation information of distance on described virtual route;
Report unit 14, be suitable for when distance navigation information correspondence position is second distance, described navigation information being reported, described second distance is less than the first distance.
The concrete enforcement of mobile unit can be with reference to the concrete enforcement of above-mentioned navigation information broadcasting method.
Although the present invention discloses as above with preferred embodiment, the present invention is defined in this.Any those skilled in the art without departing from the spirit and scope of the present invention, all can make various changes or modifications.

Claims (10)

1. a navigation information broadcasting method, be used for carrying out navigation information and report when there is no navigation way, it is characterized in that, comprising:
Determine successively at least two strip highway sections, wherein, the first strip highway section is current highway section, and rear one sub-highway section is a highway section that is connected with last fixed sub-highway section;
Determine virtual route, described virtual route is connected successively by described sub-highway section and forms;
Obtain current location the place ahead the first interior navigation information of distance on described virtual route;
When distance navigation information correspondence position is second distance, described navigation information to be reported, described second distance is less than the first distance.
2. navigation information broadcasting method as claimed in claim 1, is characterized in that, when only having a highway section to be connected with last fixed sub-highway section, a described only highway section is rear one sub-highway section.
3. navigation information broadcasting method as claimed in claim 1, is characterized in that, when having at least two highway sections to be connected with last fixed sub-highway section, the highway section identical with described last fixed sub-highway section road name is rear one sub-highway section.
4. navigation information broadcasting method as claimed in claim 1, is characterized in that, when having at least two highway sections to be connected with last fixed sub-highway section, the highway section that the highest grade of highway section is rear one sub-highway section.
5. navigation information broadcasting method as claimed in claim 1, it is characterized in that, when having at least two rule highway sections to be connected with last fixed sub-highway section, the highway section of the bearing of trend angulation minimum in highway section bearing of trend and described last fixed sub-highway section is rear one sub-highway section.
6. navigation information broadcasting method as claimed in claim 1, is characterized in that, also comprises:
A required satisfied rule in sub-highway section after arranging;
When having at least two highway sections to be connected with last fixed sub-highway section, the highway section of satisfying described rule is rear one sub-highway section.
7. navigation information broadcasting method as claimed in claim 1, is characterized in that, described the first distance is 500 meters-3000 meters.
8. navigation information broadcasting method as claimed in claim 1, is characterized in that, described navigation information correspondence position is: comprise the position, sub-highway section of navigation information or comprise the first position, strip highway section in the continuous sub-highway section of identical navigation information.
9. navigation information broadcasting method as claimed in claim 1, is characterized in that, described navigation information comprises: bridge information, tunnel information, cyberdog information, congestion information or jogging information.
10. a mobile unit, be used for carrying out navigation information and report when there is no navigation way, it is characterized in that, comprising:
Sub-highway section determining unit is suitable for determining successively at least two strip highway sections, and wherein, the first strip highway section is current highway section, and rear one sub-highway section is a highway section that is connected with last fixed sub-highway section;
Virtual route determining unit is suitable for determining virtual route, and described virtual route is connected successively by described sub-highway section and forms;
Navigation information acquisition unit is suitable for obtaining current location the place ahead the first interior navigation information of distance on described virtual route;
Report the unit, be suitable for when distance navigation information correspondence position is second distance, described navigation information being reported, described second distance is less than the first distance.
CN201210572849.7A 2012-12-25 2012-12-25 Navigation information broadcasting method and mobile unit Active CN103134518B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054236A2 (en) * 1999-05-21 2000-11-22 CLARION Co., Ltd. Navigation system and method and recording medium for recording navigation software
JP2009115564A (en) * 2007-11-06 2009-05-28 Sanyo Electric Co Ltd Navigation device
CN101713665A (en) * 2009-12-15 2010-05-26 深圳市凯立德计算机系统技术有限公司 Navigation prompting method and navigation prompting device
CN102494693A (en) * 2011-11-27 2012-06-13 苏州迈普信息技术有限公司 Voice broadcast method for crossroad form based crossroad steering information
CN102636179A (en) * 2012-05-11 2012-08-15 北京赛德斯汽车信息技术有限公司 Vehicle navigation method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054236A2 (en) * 1999-05-21 2000-11-22 CLARION Co., Ltd. Navigation system and method and recording medium for recording navigation software
JP2009115564A (en) * 2007-11-06 2009-05-28 Sanyo Electric Co Ltd Navigation device
CN101713665A (en) * 2009-12-15 2010-05-26 深圳市凯立德计算机系统技术有限公司 Navigation prompting method and navigation prompting device
CN102494693A (en) * 2011-11-27 2012-06-13 苏州迈普信息技术有限公司 Voice broadcast method for crossroad form based crossroad steering information
CN102636179A (en) * 2012-05-11 2012-08-15 北京赛德斯汽车信息技术有限公司 Vehicle navigation method

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Denomination of invention: Navigation information broadcasting method and vehicle-mounted device

Effective date of registration: 20190404

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Pledgee: Jiading Branch of Shanghai Bank Co.,Ltd.

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