CN105501067A - Method and system for calculating remaining mileage of electrical vehicle - Google Patents
Method and system for calculating remaining mileage of electrical vehicle Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
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Abstract
The invention discloses a method and system for calculating a remaining mileage of an electrical vehicle. The method comprises a step (1) of dividing a driving state of the electrical vehicle according to speed into a low speed mode, a medium speed mode and a high speed mode; a step (2) of performing testing and statistics on current values under various working conditions under the three modes, and making a per-kilometer energy consumption table; a step (3) of monitoring the current value of the electrical vehicle in real time when the electrical vehicle runs, mapping monitored results with the energy consumption table formed in the step (2), obtaining current per-kilometer energy consumption in a current period of time, and calculating the remaining mileage according to a current SOC value and the current per-kilometer energy consumption. The calculating system comprises a speed division module, a statistics module and a calculation module which are connected in sequence. Through the technical scheme, users can learn about the remaining mileage of the electrical vehicle visually accurately in real time.
Description
Technical field
The present invention relates to the technical field of electronlmobil, more particularly, relate to a kind of measuring method and calculating system of Remainder Range of Electric Vehicle.
Background technology
In electronlmobil field, user is to its essence of the concern of dump energy or the concern to automobile remaining mileage, electronlmobil user needs intuitively, know the mileage number that car can also travel accurately, facilitates them to make and travels planning and judge when charge to car.Remaining mileage measuring method of the prior art is: a). detect and identify the real-time driving model of electronlmobil; B). according to every kilometer of energy consumption table under the driving model obtained in advance and operating mode, obtain every kilometer of energy consumption under this real-time driving model; C). obtain present battery SOC, draw remaining mileage according to every kilometer of energy consumption under present battery SOC and real-time driving model; Although technique scheme also can calculate remaining mileage, the method still can not meet user for remaining mileage in real time, the demand of accurate measure.
Summary of the invention
The object of the invention is to overcome above-mentioned defect of the prior art, a kind of measuring method and calculating system of Remainder Range of Electric Vehicle are provided, allow the remaining mileage knowing electronlmobil that user is directly perceived, accurate, real-time.
For achieving the above object, technical scheme provided by the invention is as follows:
The invention provides a kind of measuring method of Remainder Range of Electric Vehicle, the method comprises the steps:
(1) motoring condition of electronlmobil is divided into by speed: low-speed mode, middle fast mode, fast mode;
(2) current value of the various operating modes under above-mentioned Three models tested and added up, and making every kilometer of energy consumption table;
(3) its current value is monitored in real time during electric automobile during traveling, the energy consumption table formed in monitored results and step (2) is mapped, draw ought for the previous period within current every kilometer of energy consumption, according to current SOC value and current every kilometer of energy consumption calculation remaining mileage.
As preferred technical scheme, in step (1), the speed range of described low-speed mode is 0-40Km/h, and the speed range of described middle fast mode is 40-80Km/h, and the speed range of described fast mode is more than 80Km/h.
As preferred technical scheme, in step (2), the preparation method of every kilometer of energy consumption table is as follows:
Under basic, normal, high fast mode, test the current value of various operating mode, discharge-rate, current changing rate and surge of current data respectively, then add up every kilometer of energy consumption under often kind of pattern and operating mode.
As preferred technical scheme, every kilometer of energy consumption statistic mode is as follows:
Electronlmobil is tested respectively under basic, normal, high fast mode, all carries out once above following test for often kind of operating mode in each mode:
Under corresponding operating mode, travel a segment distance S, record consumption of current, current value, discharge-rate, current changing rate and surge of current data that operating range S under this operating mode is corresponding;
According to testing the consumption of current, current value, discharge-rate, current changing rate and every kilometer of energy consumption corresponding to surge of current data statistics that obtain, thus obtain every kilometer of energy consumption table;
Described operating mode comprises at the uniform velocity, accelerate, deceleration, idling, climbing and descending.
As preferred technical scheme, in step (3), the method according to current SOC value and current every kilometer of energy consumption calculation remaining mileage is:
Calculate according to following formula:
H=C*SOC/K*80%, capacity when wherein C is battery full electricity, K is current time every kilometer energy consumption, and 80% is empirical value.
The present invention also provides a kind of calculating system of Remainder Range of Electric Vehicle, and this system comprises speed and divides module, statistical module and computing module, and described speed divides module, statistical module and computing module and is linked in sequence;
Described speed divides module, for being divided into by speed by the motoring condition of electronlmobil: low-speed mode, middle fast mode, fast mode;
Described statistical module, for testing the current value of the various operating modes under above-mentioned Three models and add up, and makes every kilometer of energy consumption table;
Described computing module, for monitoring its current value in real time during electric automobile during traveling, the energy consumption table formed in the result of calculation of computing module and statistical module is mapped, draw ought for the previous period within every kilometer of energy consumption, according to current SOC value and current every kilometer of energy consumption calculation remaining mileage.
As preferred technical scheme, described speed divides module and comprises low-speed module, middling speed module and high-speed module, corresponding low-speed mode, middle fast mode and fast mode respectively, the speed range of described low-speed module is 0-40Km/h, the speed range of described middling speed module is 40-80Km/h, and the speed range of described high-speed module is more than 80Km/h.
As preferred technical scheme, in described statistical module, the preparation method of every kilometer of energy consumption table is as follows:
Under basic, normal, high fast mode, test the current value of various operating mode, discharge-rate, current changing rate and surge of current data respectively, then add up every kilometer of energy consumption under often kind of pattern and operating mode.
As preferred technical scheme, electronlmobil is tested respectively under basic, normal, high fast mode, all carries out once above following test for often kind of operating mode in each mode:
Under corresponding operating mode, travel a segment distance S, record consumption of current, current value, discharge-rate, current changing rate and surge of current data that operating range S under this operating mode is corresponding;
According to testing the consumption of current, current value, discharge-rate, current changing rate and every kilometer of energy consumption corresponding to surge of current data statistics that obtain, thus obtain every kilometer of energy consumption table;
Described operating mode comprises at the uniform velocity, accelerate, deceleration, idling, climbing and descending.
As preferred technical scheme, in described computing module, carry out calculating remaining mileage according to following formula:
H=C*SOC/K*80%, capacity when wherein C is battery full electricity, K is current time every kilometer energy consumption, and 80% is empirical value.
Compared with prior art, beneficial effect of the present invention is:
1, the motoring condition of electronlmobil is divided into by speed by the present invention: low-speed mode, middle fast mode, fast mode, more reasonably detect the consumption of current of each operating mode under Three models, be conducive to navigating mate and select driving model according to actual conditions, save electricity, simultaneously, the speed of the Three models in of the present invention can adjust according to the situation of reality, flexibly more convenient to operate.
2, the present invention tests the discharge-rate of the various operating modes under often kind of pattern and every kilometer of electricity consumed thereof and adds up, and these data are made every kilometer of energy consumption table, the consumption of current of each operating mode under reaction Three models can being known, providing foundation accurately for calculating remaining mileage below in real time.
3, its motoring condition and discharge-rate is monitored in real time during electric automobile during traveling of the present invention, the table formed in both and energy consumption table is mapped, draw ought for the previous period within every kilometer of energy consumption, according to current SOC value and current every kilometer of energy consumption calculation remaining mileage, user can be made directly perceived, real-time, accurately understand the remaining mileage of electronlmobil.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the measuring method diagram of circuit of the Remainder Range of Electric Vehicle that the embodiment of the present invention one provides;
Fig. 2 is the diagram of circuit of the measuring method of the Remainder Range of Electric Vehicle that the embodiment of the present invention two provides;
Fig. 3 is the block diagram of the calculating system of the Remainder Range of Electric Vehicle that the embodiment of the present invention three provides;
Fig. 4 is the block diagram of the calculating system of the Remainder Range of Electric Vehicle that the embodiment of the present invention four provides.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Embodiments of the invention one provide a kind of measuring method of Remainder Range of Electric Vehicle, and Fig. 1 is the method flow diagram of the embodiment of the present invention one, please refer to Fig. 1, and the method for the embodiment of the present invention comprises the following steps:
S101, the motoring condition of electronlmobil to be divided into by speed: low-speed mode, middle fast mode, fast mode;
S102, the current value of the various operating modes under above-mentioned Three models tested and added up, and making every kilometer of energy consumption table;
Its current value is monitored in real time when S103, electric automobile during traveling, the energy consumption table formed in monitored results and step (2) is mapped, draw ought for the previous period within current every kilometer of energy consumption, according to current SOC value and current every kilometer of energy consumption calculation remaining mileage.
Its motoring condition and discharge-rate is monitored in real time during electric automobile during traveling of the present invention, the table formed in both and energy consumption table is mapped, draw ought for the previous period within every kilometer of energy consumption, according to current SOC value and current every kilometer of energy consumption calculation remaining mileage, facilitate user that user can be made directly perceived, real-time, accurately understand the remaining mileage of electronlmobil.
Embodiment two
Embodiments of the invention two provide a kind of measuring method of Remainder Range of Electric Vehicle, are the improvement carried out on the basis of embodiment one.Fig. 2 is the method flow diagram of the embodiment of the present invention two, please refer to Fig. 2, and the method for the embodiment of the present invention comprises the following steps:
S201, the motoring condition of electronlmobil to be divided into by speed: low-speed mode, middle fast mode, fast mode, the speed range of described low-speed mode is 0-40Km/h, the speed range of described middle fast mode is 40-80Km/h, and the speed range of described fast mode is more than 80Km/h.
S202, the current value testing various operating mode respectively under basic, normal, high fast mode, discharge-rate, current changing rate and surge of current data, then add up every kilometer of energy consumption under often kind of pattern and operating mode; ;
Every kilometer of energy consumption in S203, statistics often kind of situation; Electronlmobil is tested respectively under basic, normal, high fast mode, all carries out once above following test for often kind of operating mode in each mode:
Under corresponding operating mode, travel a segment distance S, record consumption of current, current value, discharge-rate, current changing rate and surge of current data that operating range S under this operating mode is corresponding;
According to testing the consumption of current, current value, discharge-rate, current changing rate and every kilometer of energy consumption corresponding to surge of current data statistics that obtain, thus obtain every kilometer of energy consumption table;
Described operating mode comprises at the uniform velocity, accelerate, deceleration, idling, climbing and descending.
S204, the electric quantity data that the discharge-rate of various operating mode and every kilometer consume is made every kilometer of energy consumption table;
Its current value is monitored in real time when S205, electric automobile during traveling, the energy consumption table formed in monitored results and step (2) is mapped, draw ought for the previous period within current every kilometer of energy consumption, according to current SOC value and current every kilometer of energy consumption calculation remaining mileage, computing formula is specially:
H=C*SOC/K*80%, capacity when wherein C is battery full electricity, K is current time every kilometer energy consumption, and 80% is empirical value.
The motoring condition of electronlmobil is divided into by speed by the present invention: low-speed mode, middle fast mode, fast mode, more reasonably detect the consumption of current of each operating mode under Three models, be conducive to navigating mate and select driving model according to actual conditions, save electricity, simultaneously, the speed of the Three models in of the present invention can adjust according to the situation of reality, flexibly more convenient to operate.In addition, the present invention tests the discharge-rate of the various operating modes under often kind of pattern and every kilometer of electricity consumed thereof and adds up, and these data are made every kilometer of energy consumption table, the consumption of current of each operating mode under reaction Three models can being known, providing foundation accurately for calculating remaining mileage below in real time.
Embodiment three
Embodiments of the invention three provide a kind of calculating system of Remainder Range of Electric Vehicle, Fig. 3 is the structured flowchart of the embodiment of the present invention three, please refer to Fig. 3, the display system of the embodiment of the present invention comprises speed and divides module 1, statistical module 2 and computing module 3, is described in detail below by the principle of each functional module.
Described speed divides module 1, for being divided into by speed by the motoring condition of electronlmobil: low-speed mode, middle fast mode, fast mode;
Described statistical module 2, for testing the current value of the various operating modes under above-mentioned Three models and add up, and makes every kilometer of energy consumption table;
Described computing module 3, for monitoring its current value in real time during electric automobile during traveling, the energy consumption table formed in monitored results and step (2) is mapped, draw ought for the previous period within current every kilometer of energy consumption, according to current SOC value and current every kilometer of energy consumption calculation remaining mileage.
Embodiment four
Embodiments of the invention four provide a kind of calculating system of Remainder Range of Electric Vehicle, please refer to Fig. 4, the difference of the display system of the embodiment of the present invention and the calculating system of above-described embodiment three is, described speed divides module 1 and comprises low-speed module 11, middling speed module 12 and high-speed module 13, corresponding low-speed mode, middle fast mode and fast mode respectively, the speed range of described low-speed module 11 is 0-40Km/h, the speed range of described middling speed module 12 is 40-80Km/h, and the speed range of described high-speed module 13 is more than 80Km/h.
Described statistical module also comprises test module 21, described test module 21 for testing the current value of various operating mode, discharge-rate, current changing rate and surge of current data respectively under basic, normal, high fast mode, then adds up every kilometer of energy consumption under often kind of pattern and operating mode; Every kilometer of energy consumption statistic mode is as follows:
Electronlmobil is tested respectively under basic, normal, high fast mode, all carries out once above following test for often kind of operating mode in each mode:
Under corresponding operating mode, travel a segment distance S, record consumption of current, current value, discharge-rate, current changing rate and surge of current data that operating range S under this operating mode is corresponding;
According to testing the consumption of current, current value, discharge-rate, current changing rate and every kilometer of energy consumption corresponding to surge of current data statistics that obtain, thus obtain every kilometer of energy consumption table;
Described operating mode comprises at the uniform velocity, accelerate, deceleration, idling, climbing and descending.
In described computing module 3, carry out calculating remaining mileage according to following formula:
H=C*SOC/K*80%, capacity when wherein C is battery full electricity, K is current time every kilometer energy consumption, and 80% is empirical value.
It should be noted that at this, the calculating system of a kind of Remainder Range of Electric Vehicle that above-described embodiment provides, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, inner structure by system is divided into different functional modules, to complete all or part of function described above.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a measuring method for Remainder Range of Electric Vehicle, is characterized in that, the method comprises the steps:
(1) motoring condition of electronlmobil is divided into by speed: low-speed mode, middle fast mode, fast mode;
(2) current value of the various operating modes under above-mentioned Three models tested and added up, and making every kilometer of energy consumption table;
(3) its current value is monitored in real time during electric automobile during traveling, the energy consumption table formed in monitored results and step (2) is mapped, draw ought for the previous period within current every kilometer of energy consumption, according to current SOC value and current every kilometer of energy consumption calculation remaining mileage.
2. the measuring method of Remainder Range of Electric Vehicle according to claim 1, it is characterized in that, in step (1), the speed range of described low-speed mode is 0-40Km/h, the speed range of described middle fast mode is 40-80Km/h, and the speed range of described fast mode is more than 80Km/h.
3. the measuring method of Remainder Range of Electric Vehicle according to claim 1, is characterized in that, in step (2), the preparation method of every kilometer of energy consumption table is as follows:
Under basic, normal, high fast mode, test the current value of various operating mode, discharge-rate, current changing rate and surge of current data respectively, then add up every kilometer of energy consumption under often kind of pattern and operating mode.
4. the measuring method of Remainder Range of Electric Vehicle according to claim 3, is characterized in that, every kilometer of energy consumption statistic mode is as follows:
Electronlmobil is tested respectively under basic, normal, high fast mode, all carries out once above following test for often kind of operating mode in each mode:
Under corresponding operating mode, travel a segment distance S, record consumption of current, current value, discharge-rate, current changing rate and surge of current data that operating range S under this operating mode is corresponding;
According to testing the consumption of current, current value, discharge-rate, current changing rate and every kilometer of energy consumption corresponding to surge of current data statistics that obtain, thus obtain every kilometer of energy consumption table;
Described operating mode comprises at the uniform velocity, accelerate, deceleration, idling, climbing and descending.
5. the measuring method of Remainder Range of Electric Vehicle according to claim 1, is characterized in that, in step (3), the method according to current SOC value and current every kilometer of energy consumption calculation remaining mileage is:
Calculate according to following formula:
H=C*SOC/K*80%, capacity when wherein C is battery full electricity, K is current time every kilometer energy consumption, and 80% is empirical value.
6. a calculating system for Remainder Range of Electric Vehicle, is characterized in that, this system comprises speed and divides module, statistical module and computing module, and described speed divides module, statistical module and computing module and is linked in sequence;
Described speed divides module, for being divided into by speed by the motoring condition of electronlmobil: low-speed mode, middle fast mode, fast mode;
Described statistical module, for testing the current value of the various operating modes under above-mentioned Three models and add up, and makes every kilometer of energy consumption table;
Described computing module, for monitoring its current value in real time during electric automobile during traveling, the energy consumption table formed in the result of calculation of computing module and statistical module is mapped, draw ought for the previous period within every kilometer of energy consumption, according to current SOC value and current every kilometer of energy consumption calculation remaining mileage.
7. the calculating system of Remainder Range of Electric Vehicle according to claim 6, it is characterized in that, described speed divides module and comprises low-speed module, middling speed module and high-speed module, corresponding low-speed mode, middle fast mode and fast mode respectively, the speed range of described low-speed module is 0-40Km/h, the speed range of described middling speed module is 40-80Km/h, and the speed range of described high-speed module is more than 80Km/h.
8. the calculating system of Remainder Range of Electric Vehicle according to claim 6, is characterized in that, in described statistical module, the preparation method of every kilometer of energy consumption table is as follows:
Under basic, normal, high fast mode, test the current value of various operating mode, discharge-rate, current changing rate and surge of current data respectively, then add up every kilometer of energy consumption under often kind of pattern and operating mode.
9. the calculating system of Remainder Range of Electric Vehicle according to claim 8, is characterized in that, electronlmobil is tested respectively under basic, normal, high fast mode, all carries out once above following test for often kind of operating mode in each mode:
Under corresponding operating mode, travel a segment distance S, record consumption of current, current value, discharge-rate, current changing rate and surge of current data that operating range S under this operating mode is corresponding;
According to testing the consumption of current, current value, discharge-rate, current changing rate and every kilometer of energy consumption corresponding to surge of current data statistics that obtain, thus obtain every kilometer of energy consumption table;
Described operating mode comprises at the uniform velocity, accelerate, deceleration, idling, climbing and descending.
10. the calculating system of Remainder Range of Electric Vehicle according to claim 6, is characterized in that, in described computing module, carries out calculating remaining mileage according to following formula:
H=C*SOC/K*80%, capacity when wherein C is battery full electricity, K is current time every kilometer energy consumption, and 80% is empirical value.
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| WO2018233702A1 (en) * | 2017-06-23 | 2018-12-27 | 蔚来汽车有限公司 | Method and device for estimating remaining range of transportation means having power supply system |
| CN107589377A (en) * | 2017-08-10 | 2018-01-16 | 北京普莱德新能源电池科技有限公司 | A kind of battery bag running status harvester |
| CN110154831A (en) * | 2019-05-17 | 2019-08-23 | 长安大学 | A kind of pure electric automobile unit time power consumption, vehicle course continuation mileage and the computing system and method that travel route institute electricity demand |
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