CN104021299A - Method and device for calculating motor vehicle driving mileage and automobile - Google Patents
Method and device for calculating motor vehicle driving mileage and automobile Download PDFInfo
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- CN104021299A CN104021299A CN201410272718.6A CN201410272718A CN104021299A CN 104021299 A CN104021299 A CN 104021299A CN 201410272718 A CN201410272718 A CN 201410272718A CN 104021299 A CN104021299 A CN 104021299A
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Abstract
The invention provides a method and device for calculating the motor vehicle driving mileage and an automobile and relates to the technical field of automobiles. The calculating method comprises the step of obtaining the residual oil mass of a target according to the oil tank capacity of a motor vehicle, the fuel injection mass of an engine and the residual oil mass of the motor vehicle, the step of obtaining the average oil consumption of the target according to the average oil consumption of the oil in the last tank, the average oil consumption of the oil in the current tank, the theoretical oil consumption and the instant oil consumption at current time, and the step pf obtaining the real-time driving mileage of the motor vehicle according to the residual oil mass of the target and the average oil consumption of the target. The real-time motor vehicle driving mileage obtained with the method effectively reflects the driving distance of the current residual oil mass of the automobile, reliable information assistance is provided for a driver, and inconvenience brought to the driver due to the calculating error of the driving mileage is avoided.
Description
Technical field
The present invention relates to automobile technical field, particularly a kind of computing method of course continuation mileage of motor vehicle, device and automobile.
Background technology
Automobile instrument course continuation mileage can react the driving range of automobile Fuel Oil Remaining effectively, for driver provides reliable information, helps, especially very important concerning the people of way far away driving.
In prior art, a kind of traditional course continuation mileage strategy is: the average fuel consumption in 10 kilometers of course continuation mileage and Vehicle Driving Cycles is relevant, if travel in 10 kilometers of inherent urban districts, oil consumption is higher, and course continuation mileage is on the low side; Otherwise if run at high speed in 10 kilometers of inherences, oil consumption is lower, course continuation mileage is higher.If constantly in urban district, switch between at a high speed and travel, course continuation mileage will be fluctuated, the mileage that course continuation mileage can not accurate response vehicle reality.
Another kind of course continuation mileage strategy is: course continuation mileage is relevant with the average fuel consumption of upper one case oil, if the oil consumption of upper one case oil is higher, the course continuation mileage of this case oil is just lower; Otherwise the oil consumption of upper one case oil is lower, course continuation mileage is just higher.This strategy has a feature to be applicable to exactly the comprehensive road condition that travels, if the single operating mode that upper one case oil and this case oil driving cycle are different oil consumption, course continuation mileage deviation is larger, later stage of even travelling there will be course continuation mileage to change and actual travel mileage differs the phenomenon of several times, can not accurately reflect the driving range of automobile Fuel Oil Remaining.
Summary of the invention
The object of the present invention is to provide a kind of computing method, device and automobile of course continuation mileage of motor vehicle, effectively react the feasible distance of vehicle Fuel Oil Remaining, for driver provides reliable information, help.
In order to achieve the above object, the invention provides a kind of computing method of course continuation mileage of motor vehicle, comprising:
According to the distributive value of the volume of fuel tank of motor vehicle, engine and motor vehicle Fuel Oil Remaining, obtain target Fuel Oil Remaining;
According to the instantaneous oil consumption of the average fuel consumption of the average fuel consumption of upper one case oil, current this case oil, theoretical oil consumption and current point in time, obtain target average fuel consumption;
According to described target Fuel Oil Remaining and described target average fuel consumption, obtain the real-time course continuation mileage of described motor vehicle.
Wherein, real-time course continuation mileage=target Fuel Oil Remaining/target average fuel consumption-the first preset value of described motor vehicle.
Wherein, described the first preset value is 40km.
Wherein, according to the distributive value of the volume of fuel tank of motor vehicle, engine and motor vehicle Fuel Oil Remaining, the step of obtaining target Fuel Oil Remaining comprises:
Utilize target Fuel Oil Remaining computing formula, calculate target Fuel Oil Remaining; And described target Fuel Oil Remaining computing formula is:
Wherein, FR is target Fuel Oil Remaining; TC is the volume of fuel tank of motor vehicle; FS is motor vehicle Fuel Oil Remaining; K is correction factor; L is calibration coefficient, and described calibration coefficient is the second preset value; N be in the use procedure of current this case oil engine oil spout number of times; FI
idistributive value for engine the i time.
Wherein, described the second preset value is greater than or equal to 2, and is less than or equal to 6.
Wherein, according to the average fuel consumption of the average fuel consumption of upper one case oil, current this case oil, theoretical oil consumption and instantaneous oil consumption, the step of obtaining target average fuel consumption comprises:
Utilize target average fuel consumption computing formula, calculate target average fuel consumption; And described target average fuel consumption computing formula is:
Wherein, AC is target average fuel consumption; LAC is the average fuel consumption of upper one case oil; RAC is theoretical oil consumption; TAC is the average fuel consumption of current this case oil; MAC is instantaneous oil consumption; M
1the distance of travelling for upper one case oil; M
2the distance of travelling for this case oil; m
1be the first accounting coefficient, m
2be the second accounting coefficient, m
3be the 3rd accounting coefficient, m
4be the 4th accounting coefficient, and m
1+ m
2+ m
3+ m
4=1.
Wherein, described the first accounting Coefficient m
1, the second accounting Coefficient m
2, the 3rd accounting Coefficient m
3all be greater than described the 4th accounting Coefficient m
4.
Wherein, described the first accounting Coefficient m
1=01.5; The second accounting Coefficient m
2=0.25; The 3rd accounting Coefficient m
3=0.5; The 4th accounting Coefficient m
4=0.1.
The embodiment of the present invention also provides a kind of calculation element of course continuation mileage of motor vehicle, comprising:
Fuel Oil Remaining computing module, for according to the distributive value of the volume of fuel tank of motor vehicle, engine and motor vehicle Fuel Oil Remaining, obtains target Fuel Oil Remaining;
Average fuel consumption computing module, for according to the instantaneous oil consumption of the average fuel consumption of the average fuel consumption of upper one case oil, current this case oil, theoretical oil consumption and current point in time, obtains target average fuel consumption;
Course continuation mileage computing module, for according to described target Fuel Oil Remaining and described target average fuel consumption, obtains the course continuation mileage of described motor vehicle.
The embodiment of the present invention also provides a kind of automobile, comprises the calculation element of course continuation mileage of motor vehicle as above.
Technique scheme of the present invention at least has following beneficial effect:
In the computing method of the course continuation mileage of motor vehicle of the embodiment of the present invention, by the volume of fuel tank of integrated machine motor-car, the distributive value of engine and motor vehicle Fuel Oil Remaining obtain target Fuel Oil Remaining, by the comprehensive average fuel consumption of upper one case oil,, the instantaneous oil consumption of the average fuel consumption of current this case oil, theoretical oil consumption and current point in time obtains target average fuel consumption, and combining target Fuel Oil Remaining and target average fuel consumption obtain the real-time course continuation mileage of motor vehicle; Effectively the driving range of reaction vehicle current residual oil mass, helps for driver provides reliable information, has avoided the calculation deviation of course continuation mileage to driver, to make troubles more greatly.
Accompanying drawing explanation
Fig. 1 represents the flow chart of steps of computing method of the course continuation mileage of motor vehicle of the embodiment of the present invention;
Fig. 2 represents the composition structural representation of calculation element of the course continuation mileage of motor vehicle of the embodiment of the present invention.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The calculating and the actual travel mileage number that the present invention is directed to course continuation mileage in prior art differ larger, the problem of making troubles to driver, a kind of computing method of course continuation mileage of motor vehicle are provided, device and automobile, by the volume of fuel tank of integrated machine motor-car, the distributive value of engine and motor vehicle Fuel Oil Remaining obtain target Fuel Oil Remaining, by the average fuel consumption of comprehensive upper one case oil, the average fuel consumption of current this case oil, the instantaneous oil consumption of theoretical oil consumption and current point in time obtains target average fuel consumption, and combining target Fuel Oil Remaining and target average fuel consumption obtain the real-time course continuation mileage of motor vehicle, effectively the driving range of reaction vehicle current residual oil mass, helps for driver provides reliable information, has avoided the calculation deviation of course continuation mileage to driver, to make troubles more greatly.
As shown in Figure 1, the embodiment of the present invention provides a kind of computing method of course continuation mileage of motor vehicle, comprising:
Step 1, according to the distributive value of the volume of fuel tank of motor vehicle, engine and motor vehicle Fuel Oil Remaining, obtains target Fuel Oil Remaining;
Step 2, according to the instantaneous oil consumption of the average fuel consumption of the average fuel consumption of upper one case oil, current this case oil, theoretical oil consumption and current point in time, obtains target average fuel consumption;
Step 3, according to described target Fuel Oil Remaining and described target average fuel consumption, obtains the real-time course continuation mileage of described motor vehicle.
In the above embodiment of the present invention, in step 1, consider the volume of fuel tank of motor vehicle, the distributive value of engine and motor vehicle Fuel Oil Remaining obtain target Fuel Oil Remaining, i.e. revised Fuel Oil Remaining; In step 2, consider the average fuel consumption of upper one case oil, the instantaneous oil consumption of the average fuel consumption of current this case oil, theoretical oil consumption and current point in time obtains target average fuel consumption, i.e. revised average fuel consumption; Wherein, the average fuel consumption of current this fuel tank refers to the oily average fuel consumption ending to this fuel tank till current time, and distance/cut-off that oil of the average fuel consumption of current this case oil=this fuel tank travels is to the oil of current consumption; The total amount of the average fuel consumption of upper one case oil=total distance/upper one case oil that upper one case oil travels.
In step 3, utilize revised Fuel Oil Remaining and revised average fuel consumption to calculate real-time course continuation mileage, the more realistic distance travelled of this real-time course continuation mileage, the more reliable information providing for user, make user can hold more accurately the driving range of Fuel Oil Remaining, makeup oil or reasonable arrangement travel route, facilitate for going on a journey in time.
Concrete, in the above embodiment of the present invention, real-time course continuation mileage=target Fuel Oil Remaining/target average fuel consumption-the first preset value of described motor vehicle.
In specific embodiments of the invention, described the first preset value is 40km.
If the real-time course continuation mileage of motor vehicle is EM, target Fuel Oil Remaining is FR, and target average fuel consumption is AC,
?
Wherein, 40km is the correction to course continuation mileage, and when Fuel Oil Remaining is less, oil pump cooling performance reduces, and starts to heat up, and easily damages oil pump, therefore select 40km as the correction to course continuation mileage.It should be noted that, 40km is only one of this first preset value preferably value, is not used in and limits the scope of the invention; This first preset value can for example be chosen in 20～60km from a distance range, can determine according to combined factors such as the different oil pumps of different model vehicle, fuel tanks, is not limited to a fixed value.For example, for the good motor vehicle of oil pump cooling performance, this first preset value adaptability reduces, as 30km; And for the poor motor vehicle of oil pump cooling performance, this first preset value adaptability increases, as 50km etc., at this, do not repeat one by one.
In the above embodiment of the present invention, step 1 comprises:
Step 11, utilizes target Fuel Oil Remaining computing formula, calculates target Fuel Oil Remaining; And described target Fuel Oil Remaining computing formula is:
Wherein, FR is target Fuel Oil Remaining; TC is the volume of fuel tank of motor vehicle; FS is motor vehicle Fuel Oil Remaining; K is correction factor; L is calibration coefficient, and described calibration coefficient is the second preset value; N be in the use procedure of current this case oil engine oil spout number of times; FI
idistributive value for engine the i time.
In specific embodiments of the invention, the distributive value FI of engine is mainly (needs to gather more sensor signal in practical application and determine actual condition) determined by the tach signal of ECU admission of air flow meter signal (or admission pressure signal) and engine.And engine is not oil spout always in the course of the work, vehicle-mounted computer ECU can calculate fuel injection pulsewidth (being distributive value) according to each sensor index of engine, and fuel injector is according to fuel injection pulsewidth work.Wherein, motor vehicle Fuel Oil Remaining FS can measure by the fuel sensor in motor vehicle.
Further, described the second preset value is greater than or equal to 2, and is less than or equal to 6.
Calibration coefficient l is the second preset value, and predeterminable setting also can be selected according to the matching result of fuel sensor, is between 2-6 in specific embodiments of the invention.
In the above embodiment of the present invention, step 2 comprises:
Step 21, utilizes target average fuel consumption computing formula, calculates target average fuel consumption; And described target average fuel consumption computing formula is:
Wherein, AC is target average fuel consumption; LAC is the average fuel consumption of upper one case oil; RAC is theoretical oil consumption; TAC is the average fuel consumption of current this case oil; MAC is instantaneous oil consumption; M
1the distance of travelling for upper one case oil; M
2the distance of travelling for current this case oil; m
1be the first accounting coefficient, m
2be the second accounting coefficient, m
3be the 3rd accounting coefficient, m
4be the 4th accounting coefficient, and m
1+ m
2+ m
3+ m
4=1.
Concrete, the comprehensive operating mode oil consumption that theoretical oil consumption RACWei Ministry of Industry and Information (the Ministry of Industry and Information Technology of the People's Republic of China (PRC)) announces.
In the above embodiment of the present invention, in Vehicle Driving Cycle process, instantaneous oil consumption constantly changes, and can be reflected in real time in the variation of course continuation mileage, for course continuation mileage can acute variation, instantaneous oil consumption accounting Coefficient m
4less, i.e. described the first accounting Coefficient m
1, the second accounting Coefficient m
2, the 3rd accounting Coefficient m
3all be greater than described the 4th accounting Coefficient m
4.
And concrete, described the first accounting Coefficient m
1=01.5; The second accounting Coefficient m
2=0.25; The 3rd accounting Coefficient m
3=0.5; The 4th accounting Coefficient m
4=0.1.
In specific embodiments of the invention, when group refueling, the distance that upper one case oil travels becomes the distance that this case oil travels, the distance zero clearing that this case oil travels, instantaneous oil consumption is also zero, and course continuation mileage is determined by operating range, average fuel consumption and the theoretical oil consumption of upper one case oil.If upper one case oil operating range is larger, its course continuation mileage calculating accounting is larger, and on the computing reference of course continuation mileage, one case oil average fuel consumption is larger; If upper one case oil operating range is less, its course continuation mileage calculates and accounts for smallerly, and the theoretical oil consumption of computing reference of course continuation mileage is larger.
After oiling, travel the initial stage, on the computing reference of course continuation mileage one case oil average fuel consumption and theoretical oil consumption larger.Along with the increase of this case oil operating range, the average fuel consumption of this case oil of the computing reference of course continuation mileage becomes large gradually.
In Vehicle Driving Cycle process, instantaneous oil consumption constantly changes, can be reflected in the variation of course continuation mileage, but instantaneous oil consumption accounting Coefficient m
4less, course continuation mileage can acute variation.
In order better to realize above-mentioned purpose, as shown in Figure 2, the embodiment of the present invention also provides a kind of calculation element of course continuation mileage of motor vehicle, comprising:
Fuel Oil Remaining computing module 10, for according to the distributive value of the volume of fuel tank of motor vehicle, engine and motor vehicle Fuel Oil Remaining, obtains target Fuel Oil Remaining;
Average fuel consumption computing module 20, for according to the instantaneous oil consumption of the average fuel consumption of the average fuel consumption of upper one case oil, current this case oil, theoretical oil consumption and current point in time, obtains target average fuel consumption;
Course continuation mileage computing module 30, for according to described target Fuel Oil Remaining and described target average fuel consumption, obtains the course continuation mileage of described motor vehicle.
In the computing method of a kind of course continuation mileage of motor vehicle provided by the invention, by the volume of fuel tank of integrated machine motor-car, the distributive value of engine and motor vehicle Fuel Oil Remaining obtain target Fuel Oil Remaining, by the comprehensive average fuel consumption of upper one case oil,, the instantaneous oil consumption of the average fuel consumption of current this case oil, theoretical oil consumption and current point in time obtains target average fuel consumption, and combining target Fuel Oil Remaining and target average fuel consumption obtain the real-time course continuation mileage of motor vehicle; Effectively the driving range of reaction vehicle current residual oil mass, helps for driver provides reliable information, has avoided the calculation deviation of course continuation mileage to driver, to make troubles more greatly.
It should be noted that, the calculation element of course continuation mileage of motor vehicle provided by the invention is the device that can realize said method, and all embodiment of said method are all applicable to this device, and all can reach same or analogous beneficial effect.
In order better to realize above-mentioned purpose, the embodiment of the present invention also provides a kind of automobile, comprises the calculation element of course continuation mileage of motor vehicle as above.
Automobile provided by the invention is the automobile of the calculation element that comprises above-mentioned course continuation mileage of motor vehicle, and all embodiment of above-mentioned calculation element and beneficial effect thereof are all applicable to this automobile.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. computing method for course continuation mileage of motor vehicle, is characterized in that, comprising:
According to the distributive value of the volume of fuel tank of motor vehicle, engine and motor vehicle Fuel Oil Remaining, obtain target Fuel Oil Remaining;
According to the instantaneous oil consumption of the average fuel consumption of the average fuel consumption of upper one case oil, current this case oil, theoretical oil consumption and current point in time, obtain target average fuel consumption;
According to described target Fuel Oil Remaining and described target average fuel consumption, obtain the real-time course continuation mileage of described motor vehicle.
2. the computing method of course continuation mileage of motor vehicle according to claim 1, is characterized in that, real-time course continuation mileage=target Fuel Oil Remaining/target average fuel consumption-the first preset value of described motor vehicle.
3. the computing method of course continuation mileage of motor vehicle according to claim 2, is characterized in that, described the first preset value is 40km.
4. the computing method of course continuation mileage of motor vehicle according to claim 1, is characterized in that, according to the distributive value of the volume of fuel tank of motor vehicle, engine and motor vehicle Fuel Oil Remaining, the step of obtaining target Fuel Oil Remaining comprises:
Utilize target Fuel Oil Remaining computing formula, calculate target Fuel Oil Remaining; And described target Fuel Oil Remaining computing formula is:
Wherein, FR is target Fuel Oil Remaining; TC is the volume of fuel tank of motor vehicle; FS is motor vehicle Fuel Oil Remaining; K is correction factor; L is calibration coefficient, and described calibration coefficient is the second preset value; N be in the use procedure of current this case oil engine oil spout number of times; FI
idistributive value for engine the i time.
5. the computing method of course continuation mileage of motor vehicle according to claim 4, is characterized in that, described the second preset value is greater than or equal to 2, and is less than or equal to 6.
6. the computing method of course continuation mileage of motor vehicle according to claim 1, is characterized in that, according to the average fuel consumption of the average fuel consumption of upper one case oil, current this case oil, theoretical oil consumption and instantaneous oil consumption, the step of obtaining target average fuel consumption comprises:
Utilize target average fuel consumption computing formula, calculate target average fuel consumption; And described target average fuel consumption computing formula is:
Wherein, AC is target average fuel consumption; LAC is the average fuel consumption of upper one case oil; RAC is theoretical oil consumption; TAC is the average fuel consumption of current this case oil; MAC is instantaneous oil consumption; M
1the distance of travelling for upper one case oil; M
2the distance of travelling for current this case oil; m
1be the first accounting coefficient, m
2be the second accounting coefficient, m
3be the 3rd accounting coefficient, m
4be the 4th accounting coefficient, and m
1+ m
2+ m
3+ m
4=1.
7. the computing method of course continuation mileage of motor vehicle according to claim 6, is characterized in that, described the first accounting Coefficient m
1, the second accounting Coefficient m
2, the 3rd accounting Coefficient m
3all be greater than described the 4th accounting Coefficient m
4.
8. the computing method of course continuation mileage of motor vehicle according to claim 7, is characterized in that, described the first accounting Coefficient m
1=01.5; The second accounting Coefficient m
2=0.25; The 3rd accounting Coefficient m
3=0.5; The 4th accounting Coefficient m
4=0.1.
9. a calculation element for course continuation mileage of motor vehicle, is characterized in that, comprising:
Fuel Oil Remaining computing module, for according to the distributive value of the volume of fuel tank of motor vehicle, engine and motor vehicle Fuel Oil Remaining, obtains target Fuel Oil Remaining;
Average fuel consumption computing module, for according to the instantaneous oil consumption of the average fuel consumption of the average fuel consumption of upper one case oil, current this case oil, theoretical oil consumption and current point in time, obtains target average fuel consumption;
Course continuation mileage computing module, for according to described target Fuel Oil Remaining and described target average fuel consumption, obtains the course continuation mileage of described motor vehicle.
10. an automobile, is characterized in that, comprises the calculation element of course continuation mileage of motor vehicle as claimed in claim 9.
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| CN110793590A (en) * | 2019-11-26 | 2020-02-14 | 江西清华泰豪三波电机有限公司 | Method, device and equipment for calculating residual working time of oil tank and storage medium |
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| CN113060121A (en) * | 2021-04-08 | 2021-07-02 | 中国第一汽车股份有限公司 | Hybrid electric vehicle driving range calculation method and hybrid electric vehicle |
| CN114347793A (en) * | 2022-01-24 | 2022-04-15 | 摩登汽车有限公司 | Method and system for estimating endurance of automobile |
| CN115782623A (en) * | 2022-11-29 | 2023-03-14 | 成都赛力斯科技有限公司 | Endurance mileage estimation method, range extender control method and system |
| CN115782623B (en) * | 2022-11-29 | 2024-03-01 | 重庆赛力斯凤凰智创科技有限公司 | Method for estimating endurance mileage and method and system for controlling range extender |
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