CN102072731B - Portable navigation equipment with oil filling prompting function and method thereof - Google Patents
Portable navigation equipment with oil filling prompting function and method thereof Download PDFInfo
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- CN102072731B CN102072731B CN200910223663.9A CN200910223663A CN102072731B CN 102072731 B CN102072731 B CN 102072731B CN 200910223663 A CN200910223663 A CN 200910223663A CN 102072731 B CN102072731 B CN 102072731B
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Abstract
The invention relates to portable navigation equipment with oil filling prompting function and a method thereof. A storage unit contains a driving habit table and an oil consuming reference database. A processing unit even contains an oil recording unit and an oil filling prompting unit. When a vehicle approaches a gas station near a navigation route, or when a new navigation route or a re-planned route is generated, the oil filling prompting unit automatically calculates the predicated oil consumption needed when the vehicle travels from the present position to the next gas station near the navigation route according to the navigation route generated by a route navigating unit, the driving habit table and the oil consuming reference database, and prompts an alarm signal to remind a user of filling oil firstly when the predicated oil consumption is more than an oil quantity value.
Description
Technical field
The present invention relates to a kind of portable navigation equipment and method thereof, particularly relate to a kind of portable navigation equipment and the method thereof with oil filling prompting function.
Background technology
Portable navigation equipment with science and technology newly and then day by day universal now, and especially portable navigation equipment by and close PDA, the various characteristic of mobile phone or MP3 player etc. and the combination further containing navigation, p.m.entry, communication and amusement.But with navigation, oil plant problem that user is really the most deeply concerned, that is whether oil content can completes guidance path.At present, vehicle-mounted computer is many through being equipped with oil plant prompt system, but portable navigation equipment but generally lacks oil filling prompting function.Because portable navigation equipment is to be widely used, if it is real very favourable to be therefore fitted with oil filling prompting function in portable navigation equipment.But, portable navigation equipment really differs from vehicle-mounted computer and cannot monitor driving condition and oil content, and therefore on existing market, portable navigation equipment is not yet equipped with this oil filling prompting function.
Now consult shown in Fig. 1, this is the calcspar of the portable navigation equipment of existing known skill.Namely as diagram, portable navigation equipment 10 is by a gps satellite 11 to obtain a satellite location data, and satellite location data is sent to processing unit 13 by gps receiver 12.After processing unit 13 learns the current position of portable navigation equipment 10, then namely capture required electronic chart from electronic map database 14, obtain the geographical relationship between portable navigation equipment 10 and destination by this.Portable navigation equipment 10 containing display unit 15, message output unit 16 and an input block 17, is regarded as the operation interface of linking up mutually with a user further, and user can by this to input the destination of planning.Finally, processing unit 13 performs mathematical calculations to provide a guidance path to user by a path navigation unit 131.Path navigation unit 131 can be by being loaded into and performing the path navigation computer program code implementation through being embedded in storage unit 18.Aforementioned operation flow process is the master pattern of the various portable navigation equipment on existing market.Drop into so required person is dependent on engineering to be devoted to this oil filling prompting function to be integrated within portable navigation equipment.
As can be seen here, above-mentioned existing portable navigation equipment with in use at product structure, obviously still has inconvenience and defect, and is urgently further improved.In order to solve above-mentioned Problems existing, relevant manufactures there's no one who doesn't or isn't seeks solution painstakingly, but have no applicable design for a long time to be completed by development always, and common product and method do not have appropriate structure and method to solve the problem, this is obviously the anxious problem for solving of relevant dealer.Therefore how to found a kind of new portable navigation equipment with oil filling prompting function and method thereof, belong to one of current important research and development problem in fact, also become the target that current industry pole need be improved.
Summary of the invention
The object of the invention is to, overcome the defect that existing portable navigation equipment exists, and a kind of new portable navigation equipment with oil filling prompting function and method thereof are provided, technical matters to be solved makes it use to be integrated within portable navigation equipment by oil filling prompting function, is very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of portable navigation equipment with oil filling prompting function that the present invention proposes, comprising: a display unit; One message output unit; One input block; One storage unit, it comprises: a driving habits table, and it records multiple category of roads and multiple corresponding average speed according to the driving habits of a user; And a fuel consumption reference database, it stores the relation between the speed of a motor vehicle and fuel consumption speed; One processing unit, it connects this display unit, this message output unit and this input block, comprising: a path navigation unit, in order to produce a guidance path; One oil plant record cell, record oil plant value; And one refuel Tip element, one is being leveled off to when the refuelling station of this guidance path when a current position according to this guidance path, this driving habits table and this fuel consumption reference database, or when when the new guidance path of generation one or once a path of again planning, automatically calculate for the prediction fuel consumption required for time refuelling station from this current position travelling this guidance path extremely close, and pointing out a caution signal when this prediction fuel consumption is greater than this oil plant value; One electronic map database; And a gps receiver, it is in order to receive this satellite location data from a gps satellite.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid portable navigation equipment, wherein said oiling Tip element by from this current position to the guidance path of this time refuelling station, the category of roads according to these road segments is divided into multiple road segments.
Aforesaid portable navigation equipment, wherein said oiling Tip element to should driving habits table, obtains the average speed of these categories of roads, in order to determine the corresponding fuel consumption speed of these road segments with this category of roads.
Aforesaid portable navigation equipment, wherein said oiling Tip element with each fuel consumption speed of each distance of these road segments, to calculate all blockiness fuel consumptions to produce this prediction fuel consumption.
Aforesaid portable navigation equipment, wherein said driving habits table is in the drive routine process of this user, carry out the result after statistical study by for the satellite location data being received from this gps receiver, use to obtain corresponding to the average speed of this user at multiple category of roads.
Aforesaid portable navigation equipment, wherein said caution signal passes through flash of light or the warning sound equipment of this display unit or this message output unit.
Aforesaid portable navigation equipment, the artificial input that wherein said driving habits table is this input block is provided.
Aforesaid portable navigation equipment, wherein said fuel consumption reference database is be pre-set at an automobile-used type computer or the artificial input for this input block.
Aforesaid portable navigation equipment, wherein said oil plant record cell is be pre-set at an automobile-used type computer or the artificial input for this input block.
Aforesaid portable navigation equipment, wherein said oil plant record cell provides an operation interface further, allows user can input oil plant value when this vehicle enters a refuelling station.
Aforesaid portable navigation equipment, wherein said oil plant record cell more comprises an oiling button, and when this vehicle each oil plant case from less than and arrive fill it up with after press this oiling button after, this vehicle is provided to refuel at present and traveller's distance between a previous oiling in one, and according to the content of this this oil plant case of traveller's Distance geometry to calculate this average oil plant wear rate.
Aforesaid portable navigation equipment, wherein these categories of roads comprise a through street, highway, toll road, surface road, overpass, urban road or district of township road.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of method in order to perform an oil filling prompting function on a portable navigation equipment that the present invention proposes, comprise the following step: set up a driving habits table, record multiple category of roads and multiple corresponding average speed according to the driving habits of a user; One fuel consumption reference database is provided, stores the relation between the speed of a motor vehicle and fuel consumption speed; The oiling record sheet of one record oil plant value is provided; Produce a guidance path; When a current position convergence one is when the refuelling station of this guidance path, or when when the new guidance path of generation one or once the path of again planning, according to this guidance path, this driving habits table and this fuel consumption reference database with calculate for from this current position traveller near the prediction fuel consumption needed for a time refuelling station of this guidance path; And when being greater than this oil plant value when this prediction fuel consumption, point out a caution signal by an oiling Tip element.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid method, the step wherein automatically calculating this prediction fuel consumption comprises the following step further: this current position to the guidance path of this time refuelling station is divided into multiple road segments; With reference to the category of roads of these road segments; Obtain the average speed of these categories of roads to draw the corresponding fuel consumption speed of these road segments; By each fuel consumption speed is multiplied by these road segments each distance after, calculate each blockiness fuel consumption of these road segments; And all blockiness fuel consumptions are added up to produce this prediction fuel consumption.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, the present invention has the portable navigation equipment of oil filling prompting function and method at least has following advantages and beneficial effect:
1, the present invention user can be allowed to know whether current oil plant value supplies traveller to time refuelling station near guidance path or destination enough; If not, then can produce oiling cue needs to refuel in advance to warn user, avoids by this exhausting oil plant in road.
2, the present invention can in advance with the various grade of road as reference, use and improve fuel consumption rate estimation.
3, fuel consumption can be and calculates according to the driving habits of user.
In sum, the present invention uses and is integrated within portable navigation equipment by oil filling prompting function.The present invention has significant progress technically, and has obvious good effect, is really a new and innovative, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the calcspar of the portable navigation equipment of Prior Art.
Fig. 2 is the calcspar that the present invention has the portable navigation equipment of an oil filling prompting function.
Fig. 3 is the sketch map with the portable navigation equipment of oil filling prompting function of first embodiment of the invention.
Fig. 4 is the sketch map with the portable navigation equipment of oil filling prompting function of second embodiment of the invention.
Fig. 5 is the process flow diagram of the method in order to perform oil filling prompting function on a portable navigation equipment of third embodiment of the invention.
Fig. 6 is the process flow diagram of the method in order to perform oil filling prompting function on portable navigation equipment of the fourth embodiment of the present invention.
10: portable navigation equipment 11:GPS satellite
12:GPS receiver 13: processing unit
14: electronic map database 15: display unit
16: message output unit 17: input block
18: storage unit
100: the portable navigation equipment with oil filling prompting function
131: path navigation unit 132: oil plant record cell
133: oiling Tip element 134: prediction fuel consumption
135: oil plant value 181: driving habits table
181a: driving habits table 181b: driving habits table
182: fuel consumption reference database 191a: guidance path
191b: guidance path 192: refuelling station at present
193: a secondary refuelling station of refuelling station 194: the first
195: the second refuelling station S51 ~ S56: step.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to the portable navigation equipment with oil filling prompting function proposed according to the present invention and its embodiment of method, structure, method, step, feature and effect thereof, be described in detail as follows.
Aforementioned and other technology contents, Characteristic for the present invention, can know and present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of embodiment, when can to the present invention for the technological means reaching predetermined object and take and effect obtain one more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Now consult shown in Fig. 2, it has the calcspar of the portable navigation equipment of an oil filling prompting function for the present invention, as shown in the figure, the portable navigation equipment 100 with an oil filling prompting function can containing a gps receiver 12 for the satellite location data, processing unit 13, electronic map database 14, display unit 15, message output unit 16, input block 17 and the storage unit 18 that receive from a gps satellite 11.It should be noted that processing unit 13 can comprise path navigation unit 131, oil plant record cell 132 and an oiling Tip element 133, and storage unit 18 can comprise a driving habits table 181 and a fuel consumption reference database 182.Path navigation unit 131, oil plant record cell 132 and the Tip element 133 that refuels can be respectively by being loaded into and the path navigation, the oil plant record that perform through being embedded in storage unit 18 and reminding computer procedure code implementation of refueling.
At this, path navigation unit 131 is through planning to produce a guidance path.Driving habits table 181 can according to the driving habits of a user to record multiple category of roads and multiple corresponding average speed.Driving habits table 181 is more preferred from the drive routine process of user, carry out statistical study by the satellite location data being received from gps receiver 12 determined, or provided by the artificial input by input block 17, so to obtain the average speed corresponding to each multiple category of roads for user.Storage unit 18 more can containing the driving habits of more than one driving habits table 181 for record different users.
Fuel consumption reference database 182 can in order to the relation between storage car speed and fuel consumption speed.Fuel consumption reference database 182 is better be can be via a vehicle-mounted computer, or provided by the artificial input by input block 17.In other words, user can set fuel consumption reference database 182 by manual type.Such as, user can obtain the fuel consumption data of its vehicle from a manufacturer.In general, vehicular manufacturer can provide vehicle by the fuel consumption speed of friction speed.But, the fuel consumption data of vehicle are roughly the driving habitses according to user, and the road conditions of traffic jam or traffic sign and determining, therefore also by recording fuel consumption data in usual driving procedure according to the present invention, fuel consumption reference database 182 can be set up.In addition, if portable navigation equipment 100 is through being connected to vehicle-mounted computer, then fuel consumption reference database 182 can be obtained from vehicle-mounted computer.The technology of record fuel consumption data is well-known, so do not repeat them here.
Meanwhile, oil plant record cell 132 can to oil plant parameter value record in addition.Best, oil plant record cell 132 provided via a vehicle-mounted computer or by acceptance by the artificial input of input block.In addition, oil plant record cell 132 more can provide an operation interface, allows user can input oil plant value when vehicle enters a refuelling station.Operation interface can comprise various option tab and image, similarly is the price that how many oil plants, added oil plant were filled it up with, added to fuel tank, uses and allows user can input the oil plant parameter value this time refueled.Such as, oil plant record cell 132 can comprise an oiling button to provide the traveller's distance between repeatedly refueling, and calculates average oil plant wear rate by this.After filling it up with the empty fuel tank of vehicle at every turn, driving can be pressed and be refueled button with the total traveller's distance between the previous oiling obtaining vehicle and record at present oiling and portable navigation equipment, and can utilize the content of traveller's Distance geometry oil plant case respectively as denominator and molecule to calculate average oil plant wear rate.This information also can in order to the source as fuel consumption reference database 182.
In addition, refueling Tip element 133 can near a vehicle convergence guidance path during refuelling station, namely user can set a preset distance value, when both distances are less than this value, just convergence is judged to be, or again to plan in the path or new when generation one path time, according to guidance path, driving habits table and fuel consumption reference database automatically calculate for the prediction fuel consumption required for time refuelling station from the extremely close guidance path of current position traveller, namely user can set a preset distance value, when both distances are less than this value, just be judged to be close, and pointing out a caution signal when predicting that fuel consumption is greater than oil plant value.Therefore, when the oil plant value of vehicle is lower than prediction fuel consumption, that is guidance path cannot be completed according to residue oil plant, the portable navigation equipment 100 with oil filling prompting function of the present invention will notify that user need refuel immediately, such as warn the form of sound equipment or flash of light separately by display unit 15 or message output unit 16 by one, use and avoid vehicle fault on road.
Meanwhile, the portable navigation equipment 100 with oil filling prompting function can further containing an oiling button.The button that refuels can be and showed by the form of an image or a machine key.When user presses oiling button, path navigation unit 131 can be searched and be positioned at the contiguous refuelling station of one near user, and provides guidance path user being directed to contiguous refuelling station.In addition, when the current vehicle position detecting portable navigation equipment 100 is positioned at a refuelling station, then can points out an operation interface and give and be shown on display unit 15, input current oiling value for user.
Now consult shown in Fig. 3, it is the first embodiment of the present invention and has the sketch map of the portable navigation equipment of oil filling prompting function.Namely as diagram, when the path that the path or that generation one is new is planned again, a such as user has just started portable navigation equipment or has changed a path or destination, then one refuel Tip element 133 and first can analyze a guidance path 191a from a current position 192 to refuelling stations 193 and be divided into multiple road segments, determine the grade of each road segments simultaneously, it similarly is the through street being provided with various vehicle-speed limit, highway, toll road, surface road, overpass, urban road or district of township road, obtain the average speed of category of roads by this, the corresponding fuel consumption speed of road segments is decided again according to a driving habits table 181a and fuel consumption reference database 182, its unit can be the oil plant volume of such as per unit distance.Then, by each fuel consumption speed being multiplied by the distance of each road segments to calculate the blockiness fuel consumption of each road segments, and blockiness fuel consumption can be added up produce prediction fuel consumption 134.At this, function and the character of each item in processing unit 13 and storage unit 18 are analogized with Fig. 2, therefore are the object simplified and the description thereof will be omitted.
In other words, if portable navigation equipment need recalculate a new guidance path, such as user changes destination or turns at the crossroad place of mistake, then after calculating the guidance path made new advances, the Tip element 133 that refuels will be searched a time refuelling station of close new guidance path and carry out aforesaid oil plant inspection polling routine once again.Such as, namely as shown in Figure 3, after one new guidance path produces, and an ABC road and a highway #2 through include in from current position 192 to the guidance path 191a of a secondary refuelling station 193 in, simultaneously for a user, be 50km/h according to the average speed of driving habits table 181a on ABC road and average speed on highway #2 is 70km/h.And according to ABC road and highway #2, the distance from current position 192 to a secondary refuelling station 193 is respectively 3.1km and 5.7km.Thus prediction fuel consumption 134 is 4.19L and is then multiplied by 3.1km divided by 50km, and then 4.32L is multiplied by 5.7km divided by 50km, summation.Then, when predicting that fuel consumption 134 is greater than the oil plant value 135 of oil plant record cell 132, namely the Tip element 133 that refuels produces a caution signal and refuels in advance to remind user.
Now consult shown in Fig. 4, wherein the second embodiment of the present invention is described, for having the sketch map of the portable navigation equipment of an oil filling prompting function.Namely as diagram, when a vehicle convergence one is when first refuelling station 194 of guidance path 191b, first one oiling Tip element 133 can be analyzed to one from the guidance path 191b of current position 192 to one second refuelling station 195 (that is secondary refuelling station) and be divided into multiple road segments, determine the category of roads of each road segments simultaneously, it similarly is the through street being provided with various vehicle-speed limit, highway, toll road, surface road, overpass, urban road or district of township road (or can look-ahead analysis determine the category of roads of guidance path 191b, and then according to each category of roads, the guidance path 191b from current position 192 to one second refuelling station 195 is divided into multiple road segments), obtain the average speed of each category of roads by this to decide the corresponding fuel consumption speed of each road segments according to a driving habits table 181b and a fuel consumption reference database 182, its unit can be the oil plant volume of per unit distance.Then, can by each fuel consumption speed being multiplied by the distance of each road segments to calculate the blockiness fuel consumption of each road segments, and subsequently add up each blockiness fuel consumption and produce prediction fuel consumption 134.At this, function and the character of each item in storage unit 180 are analogized with Fig. 2, thus for simplify object and the description thereof will be omitted.
Namely as shown in Figure 4, one DEF road, highway #4, highway #23 and XYZ road are through including in the guidance path 191b from current position 192 to the second refuelling station 195, and for a user, being respectively on DEF road from its average speed of current position 192 to the second refuelling station 195 according to driving habits table 181b is 40km/h, 80km/h on highway #4,80km/h on highway #23 and on XYZ road 60km/h.Distance on each DEF road, highway #4, highway #23 and XYZ road is then respectively 2km, 3.7km, 8km and 3.4km.So, prediction fuel consumption 134 is 4.14L and is then multiplied by 2km divided by 50km, and then 4.04L is multiplied by 3.7km divided by 50km, and then 4.04L is multiplied by 8km divided by 50km, and then 4.25L is multiplied by 3.4km divided by 50km, summation.Then, when predicting that fuel consumption 134 is greater than the oil plant value 135 of oil plant record cell 132, namely the Tip element 133 that refuels produces a caution signal and refuels at the first place of refuelling station 194 to remind user.
As shown in Figure 5, according to the third embodiment of the invention, for performing the process flow diagram of the method for oil filling prompting function on a portable navigation equipment.In figure, method, through being applied to portable navigation equipment, being used and is avoided user to exhaust oil plant in traveller's process, comprise the following step: in step S51 place, set up a driving habits table, record multiple category of roads and multiple corresponding average speed according to the driving habits of a user.Then, one fuel consumption reference database of the relation stored between the speed of a motor vehicle and fuel consumption speed is provided in step S52 place, and provide the oil plant record sheet of a record oil plant value in step S53 place, then a path navigation unit can produce the guidance path from starting point to destination in step S54 place.Because the technology producing a guidance path is well-known, so do not repeat them here.
In step S55 place, when a current position convergence one is when the refuelling station of guidance path, or when when the new guidance path of generation one or once the path of again planning, by utilize an oiling Tip element and according to guidance path, driving habits table and fuel consumption reference database with automatically calculate for from current position traveller near the prediction fuel consumption needed for a time refuelling station of guidance path.Then, in step S56 place, when predicting that fuel consumption is greater than oil plant value, caution signal is pointed out to user.Such as, suppose that prediction fuel consumption is 10.5L, but oil plant value is 6L, namely if then represent, user does not refuel cannot reach the destination, so produce caution signal and export by image or message mode, uses and reminds user to need to refuel in advance.
As shown in Figure 6, according to another specific embodiment of the present invention, in order to perform the process flow diagram of the method for an oil filling prompting function on a portable navigation equipment.In the drawings, a user, just according to a guidance path traveller, performs oil filling prompting function simultaneously and refuels to remind user, comprise the following step.In step S61 place, obtain all refuelling stations near guidance path.In step S62 place, determine user whether convergence one first refuelling station.Wherein, portable navigation equipment can produce the current position of user according to immediate mode, if the distance simultaneously between the current position of user and the first refuelling station is less than a preset distance value, then concludes user's convergence first refuelling station.
In step S63 place, if user's positive convergence first refuelling station, then calculate from the prediction fuel consumption required for current position to the second refuelling station (that is secondary refuelling station).Or, if contiguous refuelling station be user on this guidance path by can the last one of process, then calculate the prediction fuel consumption arriving destination.
In step S64 place, obtain current oil plant value and compared with prediction fuel consumption, if current oil plant value is less than prediction fuel consumption simultaneously, then produce caution signal in step S65 place.Caution signal more exported by video form or sound form of listening further, use and remind user need refuel at place of previous refuelling station, otherwise user possibly cannot arrive at a time refuelling station or destination.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when the method and technology contents that can utilize above-mentioned announcement are made a little change or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (14)
1. there is a portable navigation equipment for oil filling prompting function, it is characterized in that it comprises:
One display unit;
One message output unit;
One input block;
One storage unit, it comprises:
One driving habits table, it records multiple category of roads and multiple corresponding average speed according to the driving habits of a user; And
One fuel consumption reference database, it stores the relation between the speed of a motor vehicle and fuel consumption speed;
One processing unit, it connects this display unit, this message output unit and this input block, comprising:
One path navigation unit, in order to produce a guidance path;
One oil plant record cell, record oil plant value; And
One oiling Tip element, one is being leveled off to when the refuelling station of this guidance path when a current position according to this guidance path, this driving habits table and this fuel consumption reference database, or when when the new guidance path of generation one or once a path of again planning, automatically calculate for the prediction fuel consumption required for time refuelling station from this current position travelling this guidance path extremely close, and pointing out a caution signal when this prediction fuel consumption is greater than this oil plant value;
One electronic map database; And
One gps receiver, it is in order to receive this satellite location data from a gps satellite.
2. portable navigation equipment according to claim 1, it is characterized in that wherein said oiling Tip element by from this current position to the guidance path of this time refuelling station, the category of roads according to multiple road segments is divided into multiple road segments.
3. portable navigation equipment according to claim 2, it is characterized in that wherein said oiling Tip element with this category of roads to should driving habits table, obtain the average speed of the plurality of category of roads, in order to determine the corresponding fuel consumption speed of the plurality of road segments.
4. portable navigation equipment according to claim 3, it is characterized in that wherein said oiling Tip element is with each fuel consumption speed of each distance of the plurality of road segments, to calculate all blockiness fuel consumptions to produce this prediction fuel consumption.
5. portable navigation equipment according to claim 1, it is characterized in that wherein said driving habits table is in the drive routine process of this user, carry out the result after statistical study by for the satellite location data being received from this gps receiver, use to obtain corresponding to the average speed of this user at multiple category of roads.
6. portable navigation equipment according to claim 1, is characterized in that wherein said caution signal is by the flash of light of this display unit or this message output unit or warning sound equipment.
7. portable navigation equipment according to claim 1, is characterized in that the artificial input that wherein said driving habits table is this input block is provided.
8. portable navigation equipment according to claim 1, is characterized in that wherein said fuel consumption reference database is be pre-set at an automobile-used type computer or the artificial input for this input block.
9. portable navigation equipment according to claim 1, is characterized in that wherein said oil plant record cell is be pre-set at an automobile-used type computer or the artificial input for this input block.
10. portable navigation equipment according to claim 9, is characterized in that wherein said oil plant record cell provides an operation interface further, allows user can input oil plant value when vehicle enters a refuelling station.
11. portable navigation equipments according to claim 1, it is characterized in that wherein said oil plant record cell more comprises an oiling button, and when each vehicle oil plant case from less than and arrive fill it up with after press this oiling button after, this vehicle is provided to refuel at present and traveller's distance between a previous oiling in one, and according to the content of this this oil plant case of traveller's Distance geometry to calculate this average oil plant wear rate.
12. portable navigation equipments according to claim 1, is characterized in that wherein the plurality of category of roads comprises a through street, highway, toll road, surface road, overpass, urban road or district of township road.
13. 1 kinds, in order to perform the method for an oil filling prompting function on a portable navigation equipment, is characterized in that comprising the following step:
Set up a driving habits table, record multiple category of roads and multiple corresponding average speed according to the driving habits of a user;
One fuel consumption reference database is provided, stores the relation between the speed of a motor vehicle and fuel consumption speed;
The oiling record sheet of one record oil plant value is provided;
Produce a guidance path;
When a current position convergence one is when the refuelling station of this guidance path, or when when the new guidance path of generation one or once the path of again planning, according to this guidance path, this driving habits table and this fuel consumption reference database with calculate for from this current position traveller near the prediction fuel consumption needed for a time refuelling station of this guidance path; And
When being greater than this oil plant value when this prediction fuel consumption, point out a caution signal by an oiling Tip element.
14. methods according to claim 13, is characterized in that the step wherein automatically calculating this prediction fuel consumption comprises the following step further:
This current position to the guidance path of this time refuelling station is divided into multiple road segments;
With reference to the category of roads of the plurality of road segments;
Obtain the average speed of the plurality of category of roads to draw the corresponding fuel consumption speed of the plurality of road segments;
By each fuel consumption speed is multiplied by the plurality of road segments each distance after, calculate each blockiness fuel consumption of the plurality of road segments; And
All blockiness fuel consumptions are added up to produce this prediction fuel consumption.
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| CN200910223663.9A CN102072731B (en) | 2009-11-20 | 2009-11-20 | Portable navigation equipment with oil filling prompting function and method thereof |
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| CN200910223663.9A CN102072731B (en) | 2009-11-20 | 2009-11-20 | Portable navigation equipment with oil filling prompting function and method thereof |
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| CN102878998B (en) * | 2011-07-13 | 2016-02-24 | 上海博泰悦臻电子设备制造有限公司 | Based on the group refueling based reminding method of path planning |
| US8849555B2 (en) * | 2012-02-29 | 2014-09-30 | Inrix, Inc. | Fuel consumption calculations and warnings |
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