CN101846522B - Automobile navigation device capable of calculating carbon emission - Google Patents
Automobile navigation device capable of calculating carbon emission Download PDFInfo
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- CN101846522B CN101846522B CN201010204315XA CN201010204315A CN101846522B CN 101846522 B CN101846522 B CN 101846522B CN 201010204315X A CN201010204315X A CN 201010204315XA CN 201010204315 A CN201010204315 A CN 201010204315A CN 101846522 B CN101846522 B CN 101846522B
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Abstract
The invention relates to an automobile navigation device capable of calculating carbon displacement, comprising the following work steps: A, setting automobile parameters through an touch screen of the navigation device according to the type of a current automobile; B, calculating out a plurality of guide paths by the CPU of the navigation device according to a initial place and a destination; C, respectively calculating out the total carbon displacement of each guide path by the CPU according the automobile parameters, the weather, wind direction and wind power in the passed areas of the guide paths, and the road attributes of the sections included in the guide paths; and D, respectively displaying the total carbon displacement, time-consuming and path length displaced by the touch screen on the basis of driving along each guide path, and then navigating in real time according to the guide path selected by a user. The navigation device of the invention can calculate out the total carbon displacement of a plurality of paths to be traveled according to factors of the type of the automobile, road condition, whether condition and the like, thus facilitating the user to select a oil-saving or energy-saving route.
Description
Technical field
The present invention relates to a kind of method of work of guider, specifically is the method for work of the automobile navigation apparatus of ability calculating carbon emission.
Background technology
Existing guider only can be realized route inquiry and navigation function; Function such as for example inquire about from the departure place to the destination which paths is short, which more economizes paths time spent; But can not calculate oil consumption or the total carbon discharge capacity of treating travel route; Be unfavorable for that the user selects more fuel-efficient or energy-conservation route, because the path that the path is short or the time spent economizes, its consumption oil or power consumption are not necessarily minimum.
Summary of the invention
Technical matters to be solved by this invention provide a kind of user of being convenient to select more fuel-efficient or energy-conservation route can calculating carbon emission the method for work of automobile navigation apparatus.
For solving the problems of the technologies described above, the invention provides a kind of method of work of automobile navigation apparatus of ability calculating carbon emission, comprise following job step:
A, automobile parameter is set according to the touch-screen of current vehicle type through guider;
The CPU of B, guider is according to initially calculating many path of navigation with the destination;
C, said CPU are according to said automobile parameter; The said path of navigation of each bar is by way of weather, wind direction, the wind-force in zone; Whether the user selects whole process or part highway section to open air-conditioning, and the road attribute in each highway section whether said automobile need comprise in whole process or the increase load-carrying of part highway section and each bar path of navigation calculates the total carbon discharge capacity that adopts each bar path of navigation to produce respectively according to following formula:
In the formula:
B＝3/(50η
n)，
Q is the automobile fuel consumption, and G is the automobile general assembly (TW), and Ψ is the car resistance coefficient, and K is a coefficient of air resistance, is 0.07 kg.p.s.
2/ rice
4F is the automobile front face area, and V is a road speed; A is a coefficient, and compact car is 1.5, and in-between car is 1.75, and large car is 2; η
nBeing mechanical efficiency, is 0.85; r
kBe tire radius; V
hBe engine total displacement, j
0, i
kBe respectively final ratio and transmission ratio;
Ψ=f+i, wherein: f is the road surface rolling coefficient of friction resistance, and i is the road longitudinal gradient;
Said automobile parameter comprises: automobile size type, automobile gear type, gear, automobile brand and model, theoretical oil consumption, comprehensive oil consumption, motorcar dry weight, automobile frontal area, tire radius, engine total displacement, final ratio and transmission ratio;
The general assembly (TW) of said automobile is said motorcar dry weight and load-carrying sum; Said automobile front face area is according to being calculated by said automobile frontal area and wind direction;
The described road surface rolling coefficient of friction resistance is by road attribute and weather conditions and determine;
D, by total carbon discharge capacity, consuming time and path that said screen displaying is gone respectively and to be produced by each bar path of navigation, wherein path of navigation of selecting according to the user then carries out real-time navigation.
The present invention has positive effect: (1) guider of the present invention calculates many total carbon discharge capacities of treating travel route according to factors such as type of vehicle, condition of road surface, weather conditions, is beneficial to the user and selects more fuel-efficient or more energy-conservation route.Because the route that the time is short or distance is short, its oil consumption differs and inquires after the health of one's parents, and therefore adopts guider of the present invention to be suitable for reaching to reduce carbon emission and saves time or economize the balance of distance.(2) guider of the present invention according to temperature, load-carrying, whether turn on the aircondition, factor such as windage, weather conditions, sea level elevation, road attribute and road conditions; Further accurately calculate each bar and treat the total carbon discharge capacity of travel route, thereby guaranteed the carbon emission amount computation's reliability of guider of the present invention.
Description of drawings
For content of the present invention is more clearly understood,, the present invention is done further detailed explanation, wherein below according to specific embodiment and combine accompanying drawing
Fig. 1 is the carbon discharge capacity calculation flow chart of the automobile navigation apparatus of the ability calculating carbon emission among the embodiment;
Fig. 2 is the carbon discharge capacity computation model structure of the automobile navigation apparatus of above-mentioned ability calculating carbon emission;
Fig. 3 is the carbon discharge capacity Model Calculation general flow chart of the automobile navigation apparatus of above-mentioned ability calculating carbon emission;
Fig. 4 is the path oil consumption calculation flow chart of the automobile navigation apparatus of above-mentioned ability calculating carbon emission;
Fig. 5 is the temperature oil consumption incremental computations process flow diagram of the automobile navigation apparatus of above-mentioned ability calculating carbon emission;
Fig. 6 is the carload oil consumption calculation flow chart of the automobile navigation apparatus of above-mentioned ability calculating carbon emission.
Embodiment
See Fig. 1-6, the automobile navigation apparatus of the ability calculating carbon emission of present embodiment comprises following job step:
A, automobile parameter is set according to the touch-screen of current vehicle type through guider;
The CPU of B, guider is according to initially calculating many path of navigation with the destination;
C, said CPU are according to said automobile parameter; The said path of navigation of each bar is by way of weather, wind direction, the wind-force in zone; Whether the user selects whole process or part highway section to open air-conditioning; The road attribute in each highway section whether said automobile need comprise in whole process or the increase load-carrying of part highway section and each bar path of navigation calculates the total carbon discharge capacity that adopts each bar path of navigation to produce respectively according to following formula:
In the formula:
B＝3/(50η
n)，
Q is the automobile fuel consumption, and G is the automobile general assembly (TW), and Ψ is the car resistance coefficient, and K is a coefficient of air resistance, is 0.07 kg.p.s.
2/ rice
4F is the automobile front face area, and V is a road speed; A is a coefficient, and compact car is 1.5, and in-between car is 1.75, and large car is 2; η
nBeing mechanical efficiency, is 0.85; r
kBe tire radius; V
hBe engine total displacement, j
0, i
kBe respectively final ratio and transmission ratio;
Ψ=f+i, wherein: f is the road surface rolling coefficient of friction resistance, and i is the road longitudinal gradient;
Said automobile parameter comprises: automobile size type, automobile gear type, gear, automobile brand and model, theoretical oil consumption, comprehensive oil consumption, motorcar dry weight, automobile frontal area, tire radius, engine total displacement, final ratio and transmission ratio;
The general assembly (TW) of said automobile is said motorcar dry weight and load-carrying sum; Said automobile front face area is according to being calculated by said automobile frontal area and wind direction;
The described road surface rolling coefficient of friction resistance is by road attribute and weather conditions and determine;
D, by total carbon discharge capacity, consuming time and path that said screen displaying is gone respectively and to be produced by each bar path of navigation, select a path of navigation wherein to carry out real-time navigation according to the user then.
If the user selects whole process or part highway section to open air-conditioning, summer, automobile was turned on the aircondition, and fuel consumption per hundred kilometers increases about 1-1.5L, and increase about 0.2L winter.During practical implementation, can make an experiment and draw corresponding oil consumption increment different vehicle.
If current vehicle need increase load-carrying in whole process or part highway section, the every increase by 10% of weight then increases oil consumption 8.8%.Complete vehicle weight whenever alleviates 100 kilograms, and fuel consumption per hundred kilometers can descend 0.1 liter.During practical implementation, can make an experiment and draw corresponding oil consumption increment different vehicle.
The total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises:
According to formula: Q
Temperature=-0.067t+0.0028t
2, the temperature that calculates is to the increment Q of oil consumption
Temperature, t wherein is the actual temperature of said path of navigation by way of the zone.During practical implementation, can detect different vehicle and draw the practical oil consumption increment.
The automobile parameter of said various automobiles is pre-stored in the automobile parameter database of guider, and is suitable for through the user by the actual conditions manual modification.
The automobile parameter database also comprises the model data storehouse of all kinds of brands, all kinds of vehicles, is masked as example with automobile brand:
The total carbon discharge capacity that said screen displaying is gone and produced respectively by each bar path of navigation: C
Always=(Q+Q
Temperature) * P; Wherein, the conversion parameter of P carbon discharge capacity conversion parameter oil consumption and carbon discharge capacity.If vehicle is gasoline car, then P=2.3Kg/L.If vehicle is diesel vehicle, then P=2.63Kg/L.
The Traffic Message Channel signal receiving unit that weather, wind direction, wind-force and the temperature basis of said path of navigation by way of the zone links to each other with CPU obtains.Said temperature also can obtain through the temperature sensor that links to each other with CPU, or by the path the medial temperature decision in place, zone season of process.
Said CPU also obtains the traffic information in each highway section through the Traffic Message Channel signal receiving unit; The total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises: the carbon discharge capacity that the oil consumption increment that according to the traffic information in each highway section in each bar path of navigation, calculate the highway section that blocks up, walk or drive slowly highway section, turning highway section, bumpy sections, narrow road section, construction section etc. causes is produced.During practical implementation, can make an experiment and draw corresponding oil consumption increment different vehicle.
When drawing according to said road attribute in the path of navigation when having the climbing highway section, the total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises: the carbon discharge capacity that the oil consumption increment that calculates according to climbing length and the gradient is produced.The gradient is bigger during climbing, climbing length is long more, and fuel consumption is just many more.During practical implementation, can make an experiment and draw corresponding oil consumption increment different vehicle.
When the sea level elevation difference of one of said path of navigation by way of the zone surpasses 200 meters; The total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises: according to the sea level elevation at each place, highway section, the carbon discharge capacity that the oil consumption increment that calculates is produced.Height above sea level is high more, and the engine operation burning efficiency is low more, and consumption oil is many more, during practical implementation, can make an experiment and draws corresponding oil consumption increment different vehicle.
When drawing deceleration points such as having traffic lights crossing that needs slow down or charge station in the path of navigation according to said road attribute, the total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises: the carbon discharge capacity that the oil consumption increment that calculates according to the number of deceleration points such as said traffic lights crossing or charge station is produced.During practical implementation, can make an experiment and draw corresponding oil consumption increment different vehicle.
The deceleration point fuel consumption is calculated process: at first obtain the deceleration point type, obtain the speed of deceleration point front and back then respectively, calculate average velocity and distance through deceleration point then, calculate the fuel consumption of each deceleration point at last.During calculating,, therefore often the fuel consumption of deceleration point is regarded as the oil consumption increment of vehicle through this deceleration point because the distance of each deceleration point is shorter.
Obviously, the foregoing description only be for clearly the present invention is described and is done for example, and be not to be qualification to embodiment of the present invention.For the those of ordinary skill in affiliated field, can also make other multi-form variation or change on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (7)
1. the method for work of the automobile navigation apparatus of an ability calculating carbon emission is characterized by and comprises following job step:
A, automobile parameter is set according to the touch-screen of current vehicle type through guider;
The CPU of B, guider is according to initially calculating many path of navigation with the destination;
C, said CPU are according to said automobile parameter; The said path of navigation of each bar is by way of weather, wind direction, the wind-force in zone; Whether the user selects whole process or part highway section to open air-conditioning; The road attribute in each highway section whether said automobile need comprise in whole process or the increase load-carrying of part highway section and each bar path of navigation calculates the total carbon discharge capacity that adopts each bar path of navigation to produce respectively according to following formula:
B＝3/(50η
n)，
Q is the automobile fuel consumption, and G is the automobile general assembly (TW), and Ψ is the car resistance coefficient, and K is a coefficient of air resistance, is 0.07 kg.p.s.
2/ rice
4F is the automobile front face area, and V is a road speed; A is a coefficient, and compact car is 1.5, and in-between car is 1.75, and large car is 2; η
nBeing mechanical efficiency, is 0.85; r
kBe tire radius; V
hBe engine total displacement, j
0, i
kBe respectively final ratio and transmission ratio;
Ψ=f+i, wherein: f is the road surface rolling coefficient of friction resistance, and i is the road longitudinal gradient;
Said automobile parameter comprises: automobile size type, automobile gear type, gear, automobile brand and model, theoretical oil consumption, comprehensive oil consumption, motorcar dry weight, automobile frontal area, tire radius, engine total displacement, final ratio and transmission ratio;
The general assembly (TW) of said automobile is said motorcar dry weight and load-carrying sum; Said automobile front face area is according to being calculated by said automobile frontal area and wind direction;
The described road surface rolling coefficient of friction resistance is by road attribute and weather conditions and determine;
D, by total carbon discharge capacity, consuming time and path that said screen displaying is gone respectively and to be produced by each bar path of navigation, wherein path of navigation of selecting according to the user then carries out real-time navigation.
2. the method for work of the automobile navigation apparatus of ability calculating carbon emission according to claim 1, it is characterized in that: the total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises: according to formula: Q
Temperature=-0.067t+0.0028t
2, the temperature that calculates is to the increment Q of oil consumption
Temperature, t wherein is the actual temperature of said path of navigation by way of the zone.
3. the method for work of the automobile navigation apparatus of ability calculating carbon emission according to claim 2 is characterized in that: the total carbon discharge capacity that said screen displaying is gone and produced respectively by each bar path of navigation: C
Always=(Q+Q
Temperature) * P; Wherein, P is the conversion parameter of oil consumption and carbon discharge capacity.
4. the method for work of the automobile navigation apparatus of ability calculating carbon emission according to claim 3 is characterized in that: the Traffic Message Channel signal receiving unit that weather, wind direction, wind-force and the temperature basis of said path of navigation by way of the zone links to each other with CPU obtains; Said CPU also obtains the traffic information in each highway section through the Traffic Message Channel signal receiving unit;
The total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises: the carbon discharge capacity that the oil consumption increment that according to the traffic information in each highway section in each bar path of navigation, calculate the highway section that blocks up, the highway section of walking or drive slowly causes is produced.
5. the method for work of the automobile navigation apparatus of ability calculating carbon emission according to claim 3; It is characterized in that: when drawing according to said road attribute in the path of navigation when having the climbing highway section, the total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises: the carbon discharge capacity that the oil consumption increment that calculates according to climbing length and the gradient is produced.
6. the method for work of the automobile navigation apparatus of ability calculating carbon emission according to claim 3; It is characterized in that: when the sea level elevation difference of one of said path of navigation by way of the zone surpasses 200 meters; The total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises: according to the sea level elevation at each place, highway section, the carbon discharge capacity that the oil consumption increment that calculates is produced.
7. the method for work of the automobile navigation apparatus of ability calculating carbon emission according to claim 3; It is characterized in that: when drawing according to said road attribute when having traffic lights crossing that needs slow down or charge station in the path of navigation, the total carbon discharge capacity that each bar path of navigation of the employing that calculates among the said step C produces respectively also comprises: the carbon discharge capacity that the oil consumption increment that calculates according to the number of said traffic lights crossing or charge station is produced.
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| CN201010204315XA CN101846522B (en) | 2010-06-21 | 2010-06-21 | Automobile navigation device capable of calculating carbon emission |
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| CN201010204315XA CN101846522B (en) | 2010-06-21 | 2010-06-21 | Automobile navigation device capable of calculating carbon emission |
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| CN101846522A CN101846522A (en) | 2010-09-29 |
| CN101846522B true CN101846522B (en) | 2012-07-04 |
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| CN102456094A (en) * | 2010-10-29 | 2012-05-16 | 英华达（上海）科技有限公司 | Device and method for calculating oil consumption of global positioning system |
| GB201018815D0 (en) | 2010-11-08 | 2010-12-22 | Tomtom Int Bv | High-definition weather for improved routing and navigation systems |
| CN102944887B (en) * | 2012-11-14 | 2015-04-15 | 东南大学 | Vehicle three-dimension navigation method based on fuel consumption and tail gas exhaust |
| US9446766B2 (en) * | 2013-02-01 | 2016-09-20 | Hitachi Automotive Systems, Ltd. | Travel control device and travel control system |
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| DE102016218815B4 (en) * | 2016-09-29 | 2020-07-30 | Audi Ag | Procedure for selecting a route for an emission test |
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| DE102019205698A1 (en) * | 2019-04-18 | 2020-10-22 | Volkswagen Aktiengesellschaft | Method and device for calculating an energy consumption of a motor vehicle on a travel route |
| CN110349427B (en) * | 2019-07-01 | 2020-10-13 | 福建睿思特科技股份有限公司 | Intelligent traffic management system based on big data |
| CN112785843B (en) * | 2020-12-26 | 2022-03-11 | 清华四川能源互联网研究院 | Carbon emission monitoring method, device, server and computer-readable storage medium |
| CN114819305B (en) * | 2022-04-13 | 2023-03-14 | 山东高速云南发展有限公司 | Path planning method based on carbon emission measurement scale |
| CN114999202A (en) * | 2022-05-30 | 2022-09-02 | 中邮建技术有限公司 | Vehicle route guidance method and device considering carbon emission of motor vehicle |
| CN118096472B (en) * | 2024-04-28 | 2024-08-02 | 中汽研汽车检验中心（天津）有限公司 | Method for calculating carbon emission reduction of air conditioning system of electric automobile based on measured driving range |
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| US5459666A (en) * | 1993-12-14 | 1995-10-17 | United Technologies Corporation | Time and fuel display |
| US5913917A (en) * | 1997-08-04 | 1999-06-22 | Trimble Navigation Limited | Fuel consumption estimation |
| CN101645200A (en) * | 2009-08-19 | 2010-02-10 | 深圳华为通信技术有限公司 | Navigation path selecting method and device |
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