CN109532556A - A kind of acquisition methods and system of pure electric automobile course continuation mileage - Google Patents

A kind of acquisition methods and system of pure electric automobile course continuation mileage Download PDF

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Publication number
CN109532556A
CN109532556A CN201811223314.2A CN201811223314A CN109532556A CN 109532556 A CN109532556 A CN 109532556A CN 201811223314 A CN201811223314 A CN 201811223314A CN 109532556 A CN109532556 A CN 109532556A
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time
kilometer
pure electric
electric automobile
current
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CN109532556B (en
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周立岩
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Beijing Jingwei Hirain Tech Co Ltd
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Beijing Jingwei Hirain Tech Co Ltd
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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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/12—Speed
    • 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
    • B60L2260/00—Operating Modes
    • B60L2260/40—Control modes
    • B60L2260/50—Control modes by future state prediction
    • B60L2260/52—Control modes by future state prediction drive range estimation, e.g. of estimation of available travel distance
    • 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
    • B60L2260/00—Operating Modes
    • B60L2260/40—Control modes
    • B60L2260/50—Control modes by future state prediction
    • B60L2260/54—Energy consumption estimation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses the acquisition methods and system of a kind of pure electric automobile course continuation mileage, method includes: the consumption electric current of the instant speed for obtaining pure electric automobile, driving electric current and target component；Battery status based on pure electric automobile obtains the current remaining of battery；Driving of the pure electric automobile at current time is calculated to be averaged every kilometer of energy consumption and average every kilometer of used time；Using averagely every kilometer of used time and the consumption electric current of target component, the component for obtaining target component is averaged every kilometer of energy consumption；The component every kilometer of energy consumption that is averaged is summed up with average every kilometer of energy consumption of driving a vehicle, averagely every kilometer of total energy consumption is obtained；Battery-based current remaining and average every kilometer of total energy consumption, obtain the course continuation mileage of pure electric automobile.As it can be seen that the energy consumption of the components such as the driving cycle of pure electric automobile and air-conditioning is considered in the present invention in the calculating of course continuation mileage, to improve the accuracy of course continuation mileage.

Description

A kind of acquisition methods and system of pure electric automobile course continuation mileage
Technical field
The present invention relates to field of new energy technologies, in particular to the acquisition methods of a kind of pure electric automobile course continuation mileage and it is System.
Background technique
With the development of social progress and science and technology, new energy technology development is increasingly mature, and the most outstanding is exactly electricity The fast development of dynamic technology, the calculating of pure electric automobile and its course continuation mileage also becomes focus of attention in the industry therewith.However, electric Shadow of the course continuation mileage of electrical automobile by auxiliary power consumptions such as driving cycle, driver's driving style and unexpected air-conditionings It rings, the fluctuation of vehicle power consumption is larger, and the course continuation mileage calculated is caused to there is a situation where that accuracy is lower, uses body to user It tests and impacts.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of acquisition methods of pure electric automobile course continuation mileage, device and System calculates the lower technical problem of accuracy to solve course continuation mileage in the prior art.
This application provides a kind of acquisition methods of pure electric automobile course continuation mileage, comprising:
In pure electric automobile driving process, the instant speed of the pure electric automobile, the pure electric automobile are obtained The consumption electric current of target component in driving electric current and the pure electric automobile；
Based on the battery status of the pure electric automobile, the current remaining of the battery is obtained；
It is at least based on the instant speed and the driving electric current, calculates the pure electric automobile in the driving at current time Average every kilometer of energy consumption and average every kilometer of used time；
Using average every kilometer of used time and the consumption electric current of the target component, the component of the target component is obtained Average every kilometer of energy consumption；
The component every kilometer of energy consumption that is averaged is summed up with average every kilometer of energy consumption of driving a vehicle, averagely every public affairs are obtained In total energy consumption；
Current remaining and average every kilometer of total energy consumption based on the battery, obtain the pure electric automobile Course continuation mileage.
The above method, it is preferred that be at least based on the instant speed and the driving electric current, calculate the pure electric automobile It is averaged every kilometer of energy consumption in the driving at current time, comprising:
Judge the order for starting running recorded preset period of time locating for current time from the pure electric automobile；
If current time is in first preset period of time of pure electric automobile traveling, by the pure electric vehicle vapour Average every kilometer of energy consumption when electric under the last time of vehicle is averaged every kilometer of energy consumption as the driving at the pure electric automobile current time；
If current time is in second preset period of time of the pure battery car traveling, it is based on described first Driving electric current and instant speed in preset period of time, the driving for generating the pure electric automobile current time are every kilometer average Energy consumption；
If current time is in the n-th preset period of time of pure electric automobile traveling, N is more than or equal to 3 Positive integer, based in previous preset period of time driving electric current and instant speed, it is current to generate the pure electric automobile Moment initial driving is averaged every kilometer of energy consumption, and flat based on the driving of the pure electric automobile in previous preset period of time Every kilometer of energy consumption learns the initial driving every kilometer of energy consumption that is averaged, and obtains the pure electric automobile current time Final driving is averaged every kilometer of energy consumption.
The above method, it is preferred that the driving based on the pure electric automobile in previous preset period of time is averaged every public affairs In energy consumption the initial driving every kilometer of energy consumption that is averaged is learnt, it is final to obtain the pure electric automobile current time The average every kilometer of energy consumption of driving, comprising:
Utilize Ereal=(1-x) Ek-1+xEk, it is every kilometer average to obtain the pure electric automobile current time final driving Energy consumption, wherein EkInitial driving for the pure electric automobile at current time is averaged every kilometer of energy consumption, Ek-1It is described pure Driving of the electric car in previous preset period of time is averaged every kilometer of energy consumption, ErealWhen current for the pure electric automobile It carves final driving to be averaged every kilometer of energy consumption, x is preset weight proportion value, and k+1 is the week of preset time locating for current time The order of phase.
The above method, it is preferred that based in first preset period of time driving electric current and instant speed, generate The driving at the pure electric automobile current time is averaged every kilometer of energy consumption, comprising:
The driving electric current of first preset period of time is integrated in first preset period of time It calculates, obtains driving energy consumption of the pure electric automobile in first preset period of time；
The instant speed of first preset period of time is integrated in first preset period of time It calculates, obtains running distance of the pure electric automobile in first preset period of time；
Based in first preset period of time driving energy consumption and the running distance, obtain the pure electric vehicle vapour The driving at vehicle current time is averaged every kilometer of energy consumption.
The above method, it is preferred that calculate the pure electric automobile in average every kilometer of used time at current time, comprising:
Judge the order for starting running recorded preset period of time locating for current time from the pure electric automobile；
If current time is in first preset period of time of pure electric automobile traveling, by the pure electric vehicle vapour Average every kilometer used time of the average every kilometer of used time as pure electric automobile current time when electric under the last time of vehicle；
If current time is in second preset period of time of the pure battery car traveling, it is based on described first Instant speed in preset period of time generates average every kilometer of used time at the pure electric automobile current time；
If current time is in the n-th preset period of time of pure electric automobile traveling, N is more than or equal to 3 Positive integer the pure electric automobile current time, it is initial to be generated based on the instant speed in previous preset period of time Average every kilometer of used time, and average every kilometer of used time based on the pure electric automobile in previous preset period of time is to described Initial average every kilometer of used time is learnt, and the average every kilometer of used time of the pure electric automobile current time finally is obtained.
The above method, it is preferred that average every kilometer of use based on the pure electric automobile in previous preset period of time When initial average every kilometer of used time is learnt, obtain the pure electric automobile current time final average every public affairs In the used time, comprising:
Utilize Treal=(1-x) Tk-1+xTk, the average every kilometer of used time of the pure electric automobile current time finally is obtained, Wherein, TkInitial average every kilometer of used time for the pure electric automobile at current time, Tk-1Exist for the pure electric automobile Average every kilometer of used time in previous preset period of time, TrealIt is every for the pure electric automobile current time being averaged finally Kilometer used time, x are preset weight proportion value, and k is the order of preset period of time locating for current time.
The above method, it is preferred that based on the instant speed in first preset period of time, generate the pure electric vehicle Average every kilometer of used time at automobile current time, comprising:
The instant speed of first preset period of time is integrated in first preset period of time It calculates, obtains running distance of the pure electric automobile in first preset period of time；
The ratio for taking the preset period of time Yu the running distance obtains the flat of the pure electric automobile current time Every kilometer of used time.
The above method, it is preferred that obtain the current remaining of the battery, comprising:
The current operating parameter of the battery is obtained, the current operating parameter includes at least the real-time state-of-charge ginseng of battery Number SOC and cell health state parameter SOH；
Utilize Erest=Etotal× SOC × SOH obtains the current remaining of the battery, wherein EtotalFor the electricity The gross energy in pond, ErestFor the current remaining of the battery.
The above method, it is preferred that further include:
If current time is in first preset period of time of pure electric automobile traveling, the pure electric vehicle is obtained Initial course continuation mileage when electric under the last time of automobile；
If the course continuation mileage currently got is less than in preset first threshold or the continuation of the journey currently got Difference between journey and the initial course continuation mileage is greater than preset second threshold, determines the course continuation mileage currently got For target course continuation mileage, otherwise, it determines the initial course continuation mileage is target course continuation mileage.
Present invention also provides a kind of acquisition systems of pure electric automobile course continuation mileage, comprising:
Vehicle speed sensor, for monitoring the instant speed of the pure electric automobile in the process of moving；
Current sensor, for monitoring the driving electric current and the pure electric vehicle vapour of the pure electric automobile in the process of moving The consumption electric current of target component in vehicle；
Battery sensor, for monitoring the battery status in the pure electric automobile；
Processor, for obtaining the current remaining of the battery based on the battery status, at least based on described in i.e. When the speed and driving electric current, calculate driving of the pure electric automobile at current time and be averaged every kilometer of energy consumption and average every The kilometer used time；Using average every kilometer of used time and the consumption electric current of the target component, the portion of the target component is obtained Part is averaged every kilometer of energy consumption, and the component every kilometer of energy consumption that is averaged is summed up with average every kilometer of energy consumption of driving a vehicle, Obtain averagely every kilometer of total energy consumption；Current remaining and average every kilometer of total energy consumption based on the battery, obtain institute State the course continuation mileage of pure electric automobile.
As it can be seen from the above scheme a kind of acquisition methods of pure electric automobile course continuation mileage provided by the invention, device and being System, by being obtained to the real-time parameter of pure electric automobile in the process of moving, such as instant speed, driving electric current and target portion The consumption electric current etc. of part such as air-conditioning etc., and then every kilometer of energy consumption of driving and target portion based on these parameters calculating pure electric automobile The component of part is averaged every kilometer of energy consumption, and then obtains accurately average every kilometer of total energy consumption, thus utilizes the current residual of battery Energy calculates averagely every kilometer of total energy consumption, and the course continuation mileage of pure electric automobile can be obtained.As it can be seen that being avoided in the present invention Vehicle power consumption fluctuate it is larger and caused by the lower situation of course continuation mileage accuracy, by the driving cycle of pure electric automobile and The energy consumption of the components such as air-conditioning is in view of in the calculating of course continuation mileage, to improve the accuracy of course continuation mileage, thus for Family provides change etc. of the more accurate course continuation mileage to route plan, to be obviously improved the usage experience of user.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of the acquisition methods for pure electric automobile course continuation mileage that the embodiment of the present application one provides；
Fig. 2 is the exemplary diagram of the embodiment of the present application；
Fig. 3 is a kind of part process of the acquisition methods for pure electric automobile course continuation mileage that the embodiment of the present application one provides Figure；
Fig. 4 is another exemplary diagram of the embodiment of the present application；
Fig. 5 and Fig. 6 is respectively a kind of acquisition methods for pure electric automobile course continuation mileage that the embodiment of the present application one provides Another part flow chart；
Fig. 7 is a kind of structural representation of the acquisition device for pure electric automobile course continuation mileage that the embodiment of the present application two provides Figure；
Fig. 8 is a kind of structural representation of the acquisition system for pure electric automobile course continuation mileage that the embodiment of the present application three provides Figure；
Fig. 9 and Figure 10 is respectively other exemplary diagrams of the embodiment of the present application.
Specific embodiment
In the calculating of existing pure electric vehicle course continuation mileage, real-time state-of-charge SOC (the State of of battery is utilized Charge) value and the corresponding total kilometrage of battery gross energy linearly calculate remaining course continuation mileage, not by driver's driving style, road The factor of condition variation and the energy consumption etc. of other component is taken into account, so that also can using the calculated course continuation mileage of this method It is not inconsistent with actual value, accuracy is poor.There are also on some electric cars, rough estimation is only carried out according to history energy consumption, it may The course continuation mileage calculated can be caused to jump due to the mutation of operating condition, not make accurate prediction according to the actual situation.
Therefore, in order to accurately estimate the remaining course continuation mileage of vehicle, the energy consumption of the components such as air-conditioning is taken into account, into One step uses the method for carrying out self study based on history driving performance (including every kilometer of energy consumption of history and every kilometer drive time), Course continuation mileage is estimated, while the filtering processing of the display to course continuation mileage, the continuous of more accurate smooth change can be obtained Navigate mileage, greatly improves the driving experience and usage experience of driver.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
It is a kind of realization of the acquisition methods for pure electric automobile course continuation mileage that the embodiment of the present invention one provides with reference to Fig. 1 Flow chart, suitable for using battery powered pure electric automobile, which can be according to whether driving and charger assembled by several branch For following three kinds of working conditions: the non-charged state of stationary vehicle, stationary vehicle charged state and vehicle driving states.In first two The plus-minus meter of course continuation mileage can directly be carried out under state using electric energy and rechargeable electrical energy according to components such as air-conditionings in the present embodiment It calculates.
It should be noted that the battery in pure electric automobile can be realized for battery, such as lead-acid accumulator, ni-mh electricity Pond, sodium-sulphur battery, serondary lithium battery, air cell etc..
Specifically, the method in the present embodiment may comprise steps of:
Step 101: in pure electric automobile driving process, obtaining the instant speed of pure electric automobile, pure electric automobile The consumption electric current of target component in driving electric current and pure electric automobile.
Wherein, instant speed is the real-time speed in pure electric automobile driving process, and instant speed may be with time-varying Change, it is also possible to constant always.
It should be noted that the driving electric current of pure electric automobile refer to pure electric automobile battery be output to the components such as wheel with So that the electric current of normal vehicle operation, and target component can be the power consumption components on pure electric automobile, as air-conditioning or audio are broadcast Device etc. is put, the power consumption electric current of these target components refers to that pure electric automobile battery is output to target component so that target component is transported Capable electric current, as shown in Figure 2.
Wherein, it can be read from such as sensor component of the various control devices in pure electric automobile in the present embodiment These data pass through for example, obtaining instant speed by the data for reading the monitoring in the vehicle speed sensor in pure electric automobile Current sensor reads the driving electric current of pure electric automobile and the consumption electric current of target component etc. or according to acquisition of information mould The actual power of the voltage of the battery pack that block obtains, electric current, air-conditioning etc. is available to be used within corresponding period or distance The driving electric current I of drivingdriveConsumption electric current I for target component operationacm。
Step 102: the battery status based on the pure electric automobile obtains the current remaining of battery.
Wherein, the real-time SOC of battery can be read in the present embodiment by the sensor in battery, and then utilizes battery Gross energy is multiplied by the SOC, to obtain the current remaining of battery.
Step 103: at least based on instant speed and driving electric current, the driving for calculating pure electric automobile at current time is average Every kilometer of energy consumption and average every kilometer of used time.
Wherein, driving of the pure electric automobile at the current time every kilometer of energy consumption that is averaged refers to: pure electric automobile is being run over Average energy consumption in journey for driving, and average every kilometer of used time then refers to that pure electric automobile travels every kilometer of average institute's used time It is long.
Step 104: using average every kilometer of used time and the consumption electric current of target component, the component for obtaining target component is average Every kilometer of energy consumption.
Wherein, component is averaged every kilometer of energy consumption it is to be understood that pure electric automobile is disappeared in addition to driving a vehicle in the process of moving Except the energy consumption of consumption, the other component such as target components such as air-conditioning average energy consumption consumed by every kilometer of running car.Specifically , in the present embodiment will average every kilometer of used time multiplied by consumption electric current, the component that target component can be obtained is averaged every kilometer of energy Consumption such as utilizes Treal×IacmComponent is calculated to be averaged every kilometer of energy consumption, wherein TrealFor averagely every kilometer of used time, IacmFor mesh The consumption electric current of component is marked, the two multiplication can be obtained component and be averaged every kilometer of energy consumption.
Step 105: the component every kilometer of energy consumption that is averaged being summed up with average every kilometer of energy consumption of driving a vehicle, averagely every public affairs are obtained In total energy consumption.
For example, averagely every kilometer of total energy consumption is calculated using following formula (1):
Eall=Ereal+Treal×IacmFormula (1)
Wherein, ErealFor average every kilometer of energy consumption of driving a vehicle, Treal×IacmIt is averaged every kilometer of energy consumption for component, the two adduction is E can be obtainedall, as average every kilometer of total energy consumption.
Step 106: battery-based current remaining and average every kilometer of total energy consumption obtain the continuation of the journey of pure electric automobile Mileage.
Wherein, current remaining and average every kilometer of total energy consumption can be divided by the present embodiment, that is, utilizes following public affairs Formula (2), is calculated course continuation mileage:
RemainMile=Erest/EallFormula (2)
Wherein, ErestFor the current remaining of battery, EallFor averagely every kilometer of total energy consumption, the quotient that the two is divided by as a result, RemainMile is the course continuation mileage of pure electric automobile.
As it can be seen from the above scheme a kind of acquisition methods for pure electric automobile course continuation mileage that the embodiment of the present invention one provides, By being obtained to the real-time parameter of pure electric automobile in the process of moving, such as instant speed, driving electric current and target component Consumption electric current of such as air-conditioning etc., and then every kilometer of energy consumption of driving and target component based on these parameters calculating pure electric automobile Component be averaged every kilometer of energy consumption, and then obtain accurately average every kilometer of total energy consumption, thus utilize the current residual energy of battery Amount calculates averagely every kilometer of total energy consumption, and the course continuation mileage of pure electric automobile can be obtained.As it can be seen that being avoided in the present embodiment Vehicle power consumption fluctuate it is larger and caused by the lower situation of course continuation mileage accuracy, by the driving cycle of pure electric automobile and The energy consumption of the components such as air-conditioning is in view of in the calculating of course continuation mileage, to improve the accuracy of course continuation mileage, thus for Family provides change etc. of the more accurate course continuation mileage to route plan, to be obviously improved the usage experience of user.
Further, it is affected under the third state of pure electric automobile by driving performance, therefore, in the present embodiment It also further can be based on the self study of history driving performance to vehicle to calculate course continuation mileage, specifically, as shown in Figure 1 In course continuation mileage numerical procedure, pure electric automobile is being calculated in the average every kilometer of energy time-consuming of driving at current time to step 103 Specific implementation be further improved, can specifically be accomplished by the following way, as shown in Figure 3:
Step 301: judging that slave pure electric automobile locating for current time starts running recorded preset period of time Order executes step 302, if currently if current time is in first preset period of time of pure electric automobile traveling Moment is in second preset period of time of pure electric automobile traveling, step 303 is executed, if current time is in pure electric vehicle The n-th preset period of time of running car executes step 304.
Wherein, N is the positive integer more than or equal to 3.As shown in Figure 4, to pure electric automobile starting row in the present embodiment Its preset period of time DT is recorded after sailing, preset period of time can be long for a set time between 0-60 seconds, Cong Chun electricity Electrical automobile starts and travels start recording, and each preset period of time, the order of preset period of time adds 1, for example, pure Electric car starts to start and travel, and is in first preset period of time, and setting k is 0, in traveling preset period of time After duration, pure electric automobile enters second preset period of time, and k is 1 at this time, in the duration for travelling preset period of time again Afterwards, pure electric automobile enters third preset period of time, and k is 2 at this time, and so on, the every traveling of pure electric automobile one is pre- If after the duration of time cycle, it is the natural number more than or equal to 0 that k, which is incremented by 1, k,.
In the present embodiment, specifically preset period of time locating for current time can be judged by judging the value of k When order such as k is 0, current time be in first preset period of time, when k is 1, current time in second it is default when Between the period, when k is 2, current time be in third preset period of time, and so on, when k is N, current time is in N+ 1 preset period of time.
Wherein, the size of preset period of time, preset period of time can be set according to actual needs in the present embodiment Size it is related to the calculation amount that course continuation mileage calculates, preset period of time is smaller, course continuation mileage calculate calculating order get over Frequently, corresponding calculation amount is bigger, and the smaller renewal frequency that also will affect subsequent course continuation mileage of preset period of time, for example, Preset period of time is smaller, and the renewal frequency of course continuation mileage is more frequent, and then provides course continuation mileage much sooner more for user Newly.
Step 302: average every kilometer of energy consumption when will be electric under the last time of pure electric automobile as pure electric automobile it is current when The driving at quarter is averaged every kilometer of energy consumption.
Wherein, average every kilometer of energy consumption when electric under the last time of pure electric automobile can be electricity under the last time of pure electric automobile When driving be averaged every kilometer of energy consumption or average every kilometer of total energy consumption, represent Initial Energy.
Step 303: based in first preset period of time driving electric current and instant speed, generate pure electric automobile work as The driving at preceding moment is averaged every kilometer of energy consumption.
Specifically, the average every kilometer of energy consumption of driving can be obtained in the present embodiment in the following manner:
Firstly, the driving electric current to first preset period of time carries out integrating meter in first preset period of time It calculates, to obtain driving energy consumption of the pure electric automobile in first preset period of time.
For example, driving energy of the pure electric automobile in first preset period of time is calculated using following formula (3) Consumption:
Wherein, IdriveFor driving electric current of the pure electric automobile in first preset period of time, DT is preset time week The value of phase, E are driving energy consumption of the pure electric automobile in first preset period of time.
Later, integrating meter is carried out in first preset period of time to the instant speed of first preset period of time It calculates, obtains running distance of the pure electric automobile in first preset period of time.
For example, using following formula (4), be calculated driving of the pure electric automobile in first preset period of time away from From:
Wherein, V is the instant speed of first preset period of time, and DT is the value of preset period of time, and D is pure electric vehicle vapour Running distance of the vehicle in first preset period of time.
Finally, based on driving energy consumption and running distance in first preset period of time, when acquisition pure electric automobile is current The driving at quarter is averaged every kilometer of energy consumption.
For example, pure electric automobile can be obtained in first preset period of time divided by running distance in the energy consumption that will drive a vehicle Driving be averaged every kilometer of energy consumption, the driving using the energy consumption as pure electric automobile at current time is averaged every kilometer of energy consumption, by This, in the average every kilometer of energy consumption characterization preset period of time DT of driving in the present embodiment in the above preset period of time Driving characteristics, and be averaged every kilometer of energy consumption as the driving at current time, current driving performance is reflected with this.
Step 304: based in previous preset period of time driving electric current and instant speed, generate pure electric automobile work as The initial driving of preceding moment is averaged every kilometer of energy consumption, and average based on the driving of pure electric automobile in previous preset period of time Every kilometer of energy consumption learns the initial driving every kilometer of energy consumption that is averaged, and obtains the final driving of pure electric automobile current time Average every kilometer of energy consumption.
Wherein, in the present embodiment based in previous preset period of time driving electric current and instant speed, generate pure electricity The initial driving of electrical automobile current time is averaged every kilometer of energy consumption, specifically can be with reference to the realization in step 303, herein no longer in detail It states.
It should be noted that the driving based on pure electric automobile in previous preset period of time in the present embodiment is average every Kilometer energy consumption, learns the initial driving every kilometer of energy consumption that is averaged, can specifically be accomplished by the following way:
Using following formula (5), obtains the final driving of pure electric automobile current time and is averaged every kilometer of energy consumption:
Ereal=(1-x) Ek-1+xEkFormula (5)
Wherein, EkInitial driving for pure electric automobile at current time is averaged every kilometer of energy consumption, Ek-1For pure electric vehicle vapour Driving of the vehicle in previous preset period of time is averaged every kilometer of energy consumption, ErealFor the row that pure electric automobile current time is final Vehicle is averaged every kilometer of energy consumption, and x is preset weight proportion value, and k+1 is the order of preset period of time locating for current time.
It should be noted that characterized between preset weight proportion value (1-x) and x former driving performance and new driving performance it Between accounting, it is average according to previous preset period of time (time-count cycle) and the driving that currently calculates in the present embodiment as a result, Every kilometer of energy consumption is obtained by driving characteristics self study, and specifically according to preset weight proportion x, (calibration value, value range can be with Driving performance is updated for 0-0.5), gives up the x of former driving performance, increases the x of new driving performance, calculates and is currently averaged every kilometer The true value E of energy consumption for drivingreal, before next preset period of time DT terminates, what is calculated in the above DT is flat The true value of the every kilometer energy consumption for driving updates current average every kilometer of use with this iteration as former driving performance In the energy consumption of driving.
In another implementation, course continuation mileage numerical procedure as shown in Figure 1 is calculating pure electric vehicle vapour to step 103 Vehicle is further improved in being averaged every kilometer for current time with specific implementation constantly, specifically can be real in the following manner It is existing, as shown in Figure 5:
Step 501: judging that slave pure electric automobile locating for current time starts running recorded preset period of time Order executes step 502, if currently if current time is in first preset period of time of pure electric automobile traveling Moment is in second preset period of time of pure electric automobile traveling, step 503 is executed, if current time is in pure electric vehicle The n-th preset period of time of running car executes step 504.
Wherein, N is the positive integer more than or equal to 3.In the present embodiment, can specifically be judged by judging the value of k The order of preset period of time locating for current time, as k be 0 when, current time is in first preset period of time, k 1 When, current time is in second preset period of time, and when k is 2, current time is in third preset period of time, with this Analogize, when k is N, current time is in the N+1 preset period of time, and N is the positive integer more than or equal to 1.
Step 502: average every kilometer of used time when will be electric under the last time of pure electric automobile as pure electric automobile it is current when The average every kilometer of used time carved.
Wherein, average every kilometer of used time when electric under the last time of pure electric automobile can be electricity under the last time of pure electric automobile When average every kilometer of used time, represent and initial drive the used time.
Step 503: based on the instant speed in first preset period of time, generating the flat of pure electric automobile current time Every kilometer of used time.
Specifically, averagely every kilometer of used time can be obtained in the present embodiment in the following manner:
Firstly, the instant speed to first preset period of time carries out integrating meter in first preset period of time It calculates, obtains running distance of the pure electric automobile in first preset period of time.
For example, driving of the pure electric automobile in first preset period of time is calculated using hereinbefore formula (4) Distance.
Later, the ratio for taking preset period of time and running distance obtains average every public affairs at pure electric automobile current time In the used time.
For example, pure electricity can be obtained divided by the running distance D in first preset period of time in preset period of time DT Electrical automobile being averaged every kilometer of used time in first preset period of time, it is every in being averaged for current time as pure electric automobile The kilometer used time, average every kilometer of used time characterization preset time in the present embodiment in the above preset period of time is all as a result, Driving characteristics in phase DT, and average every kilometer of used time as current time, reflect current driving performance with this.
Step 504: based on the instant speed in previous preset period of time, it is initial to generate pure electric automobile current time Average every kilometer of used time, and average every kilometer of used time based on pure electric automobile in previous preset period of time is to initial Average every kilometer of used time is learnt, and the average every kilometer of used time of pure electric automobile current time finally is obtained.
Wherein, it is current to be generated based on the instant speed in previous preset period of time for pure electric automobile in the present embodiment The average every kilometer of used time of moment initially, specifically can be with reference to the realization in step 503, and will not be described here in detail.
It should be noted that averagely every kilometer based on pure electric automobile in previous preset period of time in the present embodiment Used time learns initial average every kilometer of used time, can specifically be accomplished by the following way:
Using following formula (6), the average every kilometer of used time of pure electric automobile current time finally is obtained:
Treal=(1-x) Tk-1+xTkFormula (5)
Wherein, TkInitial average every kilometer of used time for pure electric automobile at current time, Tk-1Exist for pure electric automobile Average every kilometer of used time in previous preset period of time, TrealFor averagely every kilometer of pure electric automobile current time finally Used time, x are preset weight proportion value, and k+1 is the order of preset period of time locating for current time.
It should be noted that characterized between preset weight proportion value (1-x) and x former driving performance and new driving performance it Between accounting, as a result, according to previous preset period of time (time-count cycle) and average every public affairs for currently calculating in the present embodiment In the used time obtained by driving characteristics self study, specifically update driving performance according to preset weight proportion x, give up it is former drive it is special Property x, increase the x of new driving performance, calculate the true value T of currently average every kilometer of used timereal=(1-x) Tk-1+xTk, under Before one preset period of time DT terminates, the true value of the average every kilometer of used time calculated in the above DT drives special as original Property, current average every kilometer of used time is updated with this iteration.
In practical applications, battery will appear battery health degree SOH (stateof with increasing for charge and discharge number Health the case where) reducing, such as after the charge and discharge by 300 times, the fully charged gross energy of battery is also unable to reach battery Gross energy when factory can may only reach the 80% or 90% of factory gross energy, therefore, in the present embodiment in order into one Step improves the accuracy that course continuation mileage calculates, and SOH can be considered in the calculating of current remaining of battery, correspondingly, Step 102 is realized especially by following manner, as shown in Figure 6:
Step 601: obtaining the current operating parameter of battery.
Wherein, current operating parameter may include having: battery real-time SOC and SOH etc..
Step 602: utilizing Erest=Etotal× SOC × SOH obtains the current remaining of battery, wherein EtotalFor electricity The gross energy in pond, ErestFor the current remaining of battery.
In one implementation, in the present embodiment after getting course continuation mileage, course continuation mileage can also be carried out It has been shown that, with the distance for prompting user's pure electric automobile that can travel under current driving condition.
For example, course continuation mileage can be shown on display such as vehicle-carrying display screen in the present embodiment.Specifically, this It can be shown based on certain preset rules in embodiment when showing course continuation mileage.Such as updated every preset period of time It shows the course continuation mileage once got or primary show is updated every certain mileage step-length according to the course continuation mileage got The course continuation mileage shown.
Specifically, the continuation of the journey of display is updated in the present embodiment in order to guarantee pure electric automobile in each preset period of time Mileage will not occur significantly to jump, and can be filtered to the course continuation mileage value of display, and the principle of filtering processing can be with Include: vehicle course continuation mileage before and after power-on and power-off shows and should remain unchanged；When the air conditioning is turned on course continuation mileage should reduce and with The transformation of air-conditioning gear and change；When air-conditioning is closed, course continuation mileage should increase；Traveling and charging process in course continuation mileage not It should continuously jump or significantly jump.
Based on the above principle, the display and variation of calculated course continuation mileage are verified and are shown in the present embodiment, It is broadly divided into the following:
1, initial difference verifies
Vehicle course continuation mileage before and after power-on and power-off shows and should remain unchanged under normal circumstances, if practical course continuation mileage after powering on When differing by more than D (km km) or practical course continuation mileage less than D with last time instrument show value (value range of D is 0-50km), Practical calculated value should be shown after powering on rather than last show value.That is, in the present embodiment, being at current time When first preset period of time of the pure electric automobile traveling, i.e., when vehicle just powers on, available pure electric automobile It is subsequent as the progress of target course continuation mileage can to directly determine initial course continuation mileage at this time for initial course continuation mileage when electric under last time Processing, such as show by target course continuation mileage, etc..
But since the various states in vehicle may change when vehicle does not power on, such as situations such as battery power down, Therefore, it in order to accurately show course continuation mileage, is verified current embodiment require that being shown to course continuation mileage when powering on, specifically, Practical course continuation mileage when powering on can be obtained first, then practical course continuation mileage is compared with initial course continuation mileage, then really Set the goal course continuation mileage.
For example, when the present embodiment calculates course continuation mileage when powering on, i.e., being in first to current time, this is default The course continuation mileage of time cycle continues to calculate, and can specifically be accomplished by the following way: getting instant speed, driving electric current And after the consumption electric current of target component, by average every kilometer of energy consumption under pure electric automobile last time when electricity as current time Drive a vehicle average every kilometer of energy consumption, and will be electric under pure electric automobile last time when average every kilometer of used time being averaged as current time Every kilometer of used time is averaged every kilometer of energy consumption using average every kilometer of used time and consumption electric current obtaining widget as a result, then component is put down Averagely every kilometer of total energy consumption is obtained after every kilometer of energy consumption and the average every kilometer of energy consumption adduction of driving, it thus can be based on current When inscribe the current remaining of battery and pure electric automobile is calculated in the continuation of the journey at current time in average every kilometer of total energy consumption Mileage.
After obtaining course continuation mileage when powering on, initial course continuation mileage is compared with the course continuation mileage actually acquired It is right, if the course continuation mileage currently got is less than first threshold (value of the first threshold between 0-50km) or current acquisition The difference between course continuation mileage and initial course continuation mileage arrived is greater than second threshold (value of the second threshold between 0-50km), that It determines using the currently practical course continuation mileage got as target course continuation mileage, does not consider further that initial course continuation mileage, otherwise, just Initial course continuation mileage is directly determined as target course continuation mileage, to show or other use, is provided as user more smart True course continuation mileage displaying (is verified, other feelings when i.e. current time is in first preset period of time, that is, k=0 Practical calculated value is exported under condition)；
2, variation tendency limits
When the air conditioning is turned on, course continuation mileage should reduce, and compare variation with the variation of air-conditioning gear；When air-conditioning is closed, Course continuation mileage should increase；
3, change frequency limits
In driving process, the every traveling D1 (0-10km) of course continuation mileage or DT1 (0-30s) allow to change primary (because may There is energy recovery function, so course continuation mileage can increase and may also reduce in driving process)；In charging process, course continuation mileage Every DT2 (0-30s) variation is primary, and display does not allow to reduce, and only allows to increase；
4, amplitude of variation (step-length) limits
In driving process, display at most reduces D2 every time, and display at most increases D3 every time；In charging process, show every time At most increase D4, the value range of D2, D3, D4 are 0-10km.
As seen from the above embodiment, the present invention is based on the pure electric vehicle automobile course continuation mileage meters of history running time self study In calculation method, energy consumption is driven by updating to the self study for fixing the times such as the calculating of energy consumption of vehicles and front and back in short-term, simultaneously Show value filtering processing is carried out, accuracy and stationarity that course continuation mileage calculates is realized, substantially increases driving experience and use Experience.
It is a kind of structure of the acquisition device of pure electric automobile course continuation mileage provided by Embodiment 2 of the present invention with reference to Fig. 7 Schematic diagram, the device can be set in the system of pure electric automobile, to realize the calculating to course continuation mileage, wherein the dress Setting can specifically include with flowering structure:
Data capture unit 701, for pure electric automobile in the process of moving, obtain the instant vehicle of pure electric automobile The consumption electric current of target component in fast, pure electric automobile driving electric current and pure electric automobile.
Wherein, data capture unit 701 can be from such as sensor component of the various control devices in pure electric automobile These data are read, for example, obtaining instant vehicle by the data for reading the monitoring in the vehicle speed sensor in pure electric automobile Speed reads the driving electric current of pure electric automobile and the consumption electric current of target component etc. by current sensor or according to information It is available within corresponding period or distance to obtain the voltage for the battery pack that module obtains, actual power of electric current, air-conditioning etc. For driving driving electric current IdriveConsumption electric current I for target component operationacm。
Energy harvesting unit 702 obtains the current remaining of battery for the battery status based on pure electric automobile.
Wherein, the real-time SOC of battery can be read in the present embodiment by the sensor in battery, and then utilizes battery Gross energy is multiplied by the SOC, to obtain the current remaining of battery.
Energy consumption calculation unit 703, at least based on instant speed and driving electric current, calculating pure electric automobile when current The driving at quarter is averaged every kilometer of energy consumption and average every kilometer of used time；Utilize the consumption electricity of averagely every kilometer of used time and target component Stream, the component for obtaining target component be averaged every kilometer of energy consumption, and component are averaged every kilometer of energy consumption and driving is averaged every kilometer of energy Consumption sums up, and obtains averagely every kilometer of total energy consumption.
Mileage acquiring unit 704 obtains pure electricity for battery-based current remaining and average every kilometer of total energy consumption The course continuation mileage of electrical automobile.
As it can be seen from the above scheme a kind of acquisition device of pure electric automobile course continuation mileage provided by Embodiment 2 of the present invention, By being obtained to the real-time parameter of pure electric automobile in the process of moving, such as instant speed, driving electric current and target component Consumption electric current of such as air-conditioning etc., and then every kilometer of energy consumption of driving and target component based on these parameters calculating pure electric automobile Component be averaged every kilometer of energy consumption, and then obtain accurately average every kilometer of total energy consumption, thus utilize the current residual energy of battery Amount calculates averagely every kilometer of total energy consumption, and the course continuation mileage of pure electric automobile can be obtained.As it can be seen that being avoided in the present embodiment Vehicle power consumption fluctuate it is larger and caused by the lower situation of course continuation mileage accuracy, by the driving cycle of pure electric automobile and The energy consumption of the components such as air-conditioning is in view of in the calculating of course continuation mileage, to improve the accuracy of course continuation mileage, thus for Family provides change etc. of the more accurate course continuation mileage to route plan, to be obviously improved the usage experience of user.
It should be noted that before the specific implementation of each functional unit can refer in acquisition device in the present embodiment Fig. 1-Fig. 6 and corresponding contents in text, and will not be described here in detail.
It is a kind of structure of the acquisition system for pure electric automobile course continuation mileage that the embodiment of the present invention three provides with reference to Fig. 8 Schematic diagram, the system can be set in pure electric automobile, accurately calculate to the course continuation mileage to its battery.
In the present embodiment, which may include with flowering structure:
Vehicle speed sensor 801, for monitoring the instant speed of pure electric automobile in the process of moving；
Current sensor 802, for monitoring in the driving electric current and pure electric automobile of pure electric automobile in the process of moving The consumption electric current of target component；
Battery sensor 803, for monitoring the battery status in pure electric automobile；
Processor 804 is at least based on instant speed and row for obtaining the current remaining of battery based on battery status Vehicle electric current calculates driving of the pure electric automobile at current time and is averaged every kilometer of energy consumption and average every kilometer of used time；Using averagely The consumption electric current of every kilometer of used time and target component, the component for obtaining target component is averaged every kilometer of energy consumption, and component is averaged Every kilometer of energy consumption is summed up with average every kilometer of energy consumption of driving a vehicle, and obtains averagely every kilometer of total energy consumption；It is battery-based current surplus Complementary energy and average every kilometer of total energy consumption, obtain the course continuation mileage of pure electric automobile.
Wherein, processor 804 every kilometer of energy consumption and is put down calculating driving of the pure electric automobile at current time and be averaged Every kilometer of used time can be consumed energy based on every kilometer of history driving performance and every kilometer of used time carries out self study calculating, thus Average every kilometer of energy consumption and average every kilometer of used time are obtained, as shown in figs. 9 and 10:
By taking Fig. 9 as an example: in the present embodiment, starting timing when vehicle enters driving states, k represents preset period of time DT Serial number, it is every accumulative plus 1 by DT time k value.
In first preset period of time DT, i.e. when k=0, every kilometer of energy consumption E of current timerealFor under vehicle last time The every kilometer of average energy consumption value stored when electric, represents Initial Energy；
In second preset time, i.e. when k=1, every kilometer of energy consumption E of current timerealFor according to first default week Every kilometer of average energy consumption E that phase calculatesk, can reflect current driving performance；
As k >=2, every kilometer of energy consumption E of current timerealIt needed according to a upper time-count cycle and present timing period Average every kilometer of energy consumption is obtained by driving performance self study, according to preset weight proportion x (calibration value, value range 0- 0.5) driving performance is updated, the x of former driving performance is given up, increases the x of new driving performance, calculates and currently average every kilometer is used for The true value E of the energy consumption of drivingreal=(1-x) Ek-1+xEk, before next DT terminates time-count cycle, when the above DT The true value of average every kilometer of the energy consumption for driving of interior calculating as former driving performance, work as by iteration update according to this Average every kilometer preceding of the energy consumption for driving.
In Figure 10, in first preset time DT, i.e. when k=0, every kilometer of used time T of current timerealFor on vehicle The average driving time of every kilometer stored when secondary lower electricity, represents the initial driving used time；
In second preset time, i.e. when k=1, every kilometer of used time T of current timerealFor according to first default week Every kilometer drive used time T that phase calculatesk, can reflect current driving performance；
As k >=2, every kilometer of used time T of current timerealIt needed according to a upper time-count cycle and present timing period Average every kilometer of used time is obtained by driving performance self study, is updated driving performance according to preset weight proportion x, is given up original and drive The x (value is identical in calculating with energy consumption) for sailing characteristic, increase the x of new driving performance, calculates and currently drives for average every kilometer Sail the true value T of timereal=(1-x) Tk-1+xTk, before next DT terminates time-count cycle, calculated in the above DT time Average every kilometer drive time true value as former driving performance, iteration updates current average every kilometer of driving according to this Time.
Correspondingly, can be divided into according to its computing function in processor 804: battery remaining power, driving are every kilometer average The functional modules such as energy consumption, average every kilometer of used time, self study and course continuation mileage calculating.
Display 805, to show the course continuation mileage being calculated.
In addition, the present embodiment can also increase the display filter function to course continuation mileage in display 805, it is specific as before The modes such as the verification of beginning difference, change frequency limitation, change step limitation, variation tendency limitation, to realize to course continuation mileage meter The stationarity with display is calculated, driving experience and usage experience are improved.
As it can be seen from the above scheme a kind of acquisition system for pure electric automobile course continuation mileage that the embodiment of the present invention three provides, By being obtained to the real-time parameter of pure electric automobile in the process of moving, such as instant speed, driving electric current and target component Consumption electric current of such as air-conditioning etc., and then every kilometer of energy consumption of driving and target component based on these parameters calculating pure electric automobile Component be averaged every kilometer of energy consumption, and then obtain accurately average every kilometer of total energy consumption, thus utilize the current residual energy of battery Amount calculates averagely every kilometer of total energy consumption, and the course continuation mileage of pure electric automobile can be obtained.As it can be seen that being avoided in the present embodiment Vehicle power consumption fluctuate it is larger and caused by the lower situation of course continuation mileage accuracy, by the driving cycle of pure electric automobile and The energy consumption of the components such as air-conditioning is in view of in the calculating of course continuation mileage, to improve the accuracy of course continuation mileage, thus for Family provides change etc. of the more accurate course continuation mileage to route plan, to be obviously improved the usage experience of user.
It should be noted that the specific implementation of each component can be with reference to hereinbefore Fig. 1-figure in the system of the present embodiment 6 and corresponding contents, and will not be described here in detail.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.
A kind of acquisition methods of pure electric automobile course continuation mileage provided by the present invention, apparatus and system are carried out above It is discussed in detail, the foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (10)

1. a kind of acquisition methods of pure electric automobile course continuation mileage characterized by comprising
In pure electric automobile driving process, the driving of the instant speed, the pure electric automobile of the pure electric automobile is obtained The consumption electric current of target component in electric current and the pure electric automobile；
Based on the battery status of the pure electric automobile, the current remaining of the battery is obtained；
It is at least based on the instant speed and the driving electric current, the driving for calculating the pure electric automobile at current time is average Every kilometer of energy consumption and average every kilometer of used time；
Using average every kilometer of used time and the consumption electric current of the target component, the component for obtaining the target component is average Every kilometer of energy consumption；
The component every kilometer of energy consumption that is averaged is summed up with average every kilometer of energy consumption of driving a vehicle, obtain averagely every kilometer it is total Energy consumption；
Current remaining and average every kilometer of total energy consumption based on the battery, obtain the continuation of the journey of the pure electric automobile Mileage.
2. the method according to claim 1, wherein at least be based on the instant speed and the driving electric current, Driving of the pure electric automobile at current time is calculated to be averaged every kilometer of energy consumption, comprising:
Judge the order for starting running recorded preset period of time locating for current time from the pure electric automobile；
If current time is in first preset period of time of pure electric automobile traveling, by the pure electric automobile Average every kilometer of energy consumption when electric under last time is averaged every kilometer of energy consumption as the driving at the pure electric automobile current time；
If current time is in second preset period of time of the pure battery car traveling, default based on described first Driving electric current and instant speed in time cycle, the driving for generating the pure electric automobile current time are averaged every kilometer of energy Consumption；
If current time is in the n-th preset period of time of pure electric automobile traveling, N is just more than or equal to 3 Integer, based in previous preset period of time driving electric current and instant speed, generate the pure electric automobile current time Initial driving is averaged every kilometer of energy consumption, and average every based on the driving of the pure electric automobile in previous preset period of time Kilometer energy consumption learns the initial driving every kilometer of energy consumption that is averaged, and it is final to obtain the pure electric automobile current time Driving be averaged every kilometer of energy consumption.
3. according to the method described in claim 2, it is characterized in that, based on the pure electric vehicle vapour in previous preset period of time The average every kilometer of energy consumption of driving of vehicle learns the initial driving every kilometer of energy consumption that is averaged, and obtains the pure electric vehicle vapour The final driving of vehicle current time is averaged every kilometer of energy consumption, comprising:
Utilize Ereal=(1-x) Ek-1+xEk, it obtains the pure electric automobile current time final driving and is averaged every kilometer of energy consumption, Wherein, EkInitial driving for the pure electric automobile at current time is averaged every kilometer of energy consumption, Ek-1For the pure electric vehicle vapour Driving of the vehicle in previous preset period of time is averaged every kilometer of energy consumption, ErealIt is final for the pure electric automobile current time Driving be averaged every kilometer of energy consumption, x is preset weight proportion value, and k+1 is time of preset period of time locating for current time Sequence.
4. according to the method described in claim 2, it is characterized in that, based on the driving electricity in first preset period of time Stream and instant speed, the driving for generating the pure electric automobile current time are averaged every kilometer of energy consumption, comprising:
Integral calculation is carried out in first preset period of time to the driving electric current of first preset period of time, Obtain driving energy consumption of the pure electric automobile in first preset period of time；
Integral calculation is carried out in first preset period of time to the instant speed of first preset period of time, Obtain running distance of the pure electric automobile in first preset period of time；
Based in first preset period of time driving energy consumption and the running distance, obtain the pure electric automobile and work as The driving at preceding moment is averaged every kilometer of energy consumption.
5. the method according to claim 1, wherein it is every in being averaged for current time to calculate the pure electric automobile The kilometer used time, comprising:
Judge the order for starting running recorded preset period of time locating for current time from the pure electric automobile；
If current time is in first preset period of time of pure electric automobile traveling, by the pure electric automobile Average every kilometer used time of the average every kilometer of used time as pure electric automobile current time when electric under last time；
If current time is in second preset period of time of the pure battery car traveling, default based on described first Instant speed in time cycle generates average every kilometer of used time at the pure electric automobile current time；
If current time is in the n-th preset period of time of pure electric automobile traveling, N is just more than or equal to 3 Integer, based on the instant speed in previous preset period of time, generating the pure electric automobile current time initial is averaged Every kilometer of used time, and average every kilometer of used time based on the pure electric automobile in previous preset period of time is to described initial Average every kilometer of used time learnt, obtain final average every kilometer of used time at the pure electric automobile current time.
6. according to the method described in claim 5, it is characterized in that, based on the pure electric vehicle vapour in previous preset period of time Average every kilometer of used time of vehicle learns initial average every kilometer of used time, obtain the pure electric automobile it is current when Carve final average every kilometer of used time, comprising:
Utilize Treal=(1-x) Tk-1+xTk, the average every kilometer of used time of the pure electric automobile current time finally is obtained, In, TkInitial average every kilometer of used time for the pure electric automobile at current time, Tk-1It is the pure electric automobile preceding Average every kilometer of used time in one preset period of time, TrealFor average every public affairs that the pure electric automobile current time is final In the used time, x be preset weight proportion value, k be current time locating for preset period of time order.
7. according to the method described in claim 5, it is characterized in that, based on the instant vehicle in first preset period of time Speed generates average every kilometer of used time at the pure electric automobile current time, comprising:
Integral calculation is carried out in first preset period of time to the instant speed of first preset period of time, Obtain running distance of the pure electric automobile in first preset period of time；
The ratio for taking the preset period of time Yu the running distance obtains the average every of the pure electric automobile current time The kilometer used time.
8. the method according to claim 1, wherein obtaining the current remaining of the battery, comprising:
The current operating parameter of the battery is obtained, the current operating parameter includes at least the real-time state-of-charge parameter of battery SOC and cell health state parameter SOH；
Utilize Erest=Etotal× SOC × SOH obtains the current remaining of the battery, wherein EtotalFor the battery Gross energy, ErestFor the current remaining of the battery.
9. according to the method described in claim 2, it is characterized by further comprising:
If current time is in first preset period of time of pure electric automobile traveling, the pure electric automobile is obtained Last time under electricity when initial course continuation mileage；
If the course continuation mileage currently got be less than preset first threshold or the course continuation mileage currently got with Difference between the initial course continuation mileage is greater than preset second threshold, determines that the course continuation mileage currently got is mesh Course continuation mileage is marked, otherwise, it determines the initial course continuation mileage is target course continuation mileage.
10. a kind of acquisition system of pure electric automobile course continuation mileage characterized by comprising
Vehicle speed sensor, for monitoring the instant speed of the pure electric automobile in the process of moving；
Current sensor, for monitoring in the driving electric current and the pure electric automobile of the pure electric automobile in the process of moving The consumption electric current of target component；
Battery sensor, for monitoring the battery status in the pure electric automobile；
Processor is at least based on the instant vehicle for obtaining the current remaining of the battery based on the battery status The fast and described driving electric current calculates driving of the pure electric automobile at current time and is averaged every kilometer of energy consumption and every kilometer average Used time；Using average every kilometer of used time and the consumption electric current of the target component, the component for obtaining the target component is flat Every kilometer of energy consumption, and the component every kilometer of energy consumption that is averaged is summed up with average every kilometer of energy consumption of driving a vehicle, it obtains Average every kilometer of total energy consumption；Current remaining and average every kilometer of total energy consumption based on the battery, obtain described pure The course continuation mileage of electric car.
CN201811223314.2A 2018-10-19 2018-10-19 Method and system for acquiring endurance mileage of pure electric vehicle Active CN109532556B (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
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CN110018427A (en) * 2019-05-24 2019-07-16 福建工程学院 A kind of battery health of electric automobile appraisal procedure based on travelling data
CN110370933A (en) * 2019-07-10 2019-10-25 一汽解放汽车有限公司 A kind of course continuation mileage estimating system based on driving style identification
CN110667406A (en) * 2019-09-29 2020-01-10 奇瑞新能源汽车股份有限公司 Electric automobile instantaneous endurance computing system and method and electric automobile
CN110843536A (en) * 2019-11-29 2020-02-28 安徽江淮汽车集团股份有限公司 Electric automobile energy consumption calculation method, device, equipment and storage medium
CN110861501A (en) * 2019-11-19 2020-03-06 东风航盛（武汉）汽车控制系统有限公司 Method for estimating endurance mileage of electric automobile based on self-learning
CN112406629A (en) * 2020-11-25 2021-02-26 中国第一汽车股份有限公司 Remaining mileage determination method, device, equipment and vehicle
CN112590620A (en) * 2020-12-25 2021-04-02 吉林大学 Pure electric vehicle energy consumption estimation method oriented to random stroke model
CN112622619A (en) * 2020-12-17 2021-04-09 江苏开沃汽车有限公司 Display method of code-breaking screen instrument
CN112721661A (en) * 2021-01-29 2021-04-30 重庆长安新能源汽车科技有限公司 Estimation method and device for cruising mileage of fuel cell electric vehicle and storage medium
CN112977164A (en) * 2019-12-18 2021-06-18 北京宝沃汽车股份有限公司 Method and device for determining driving mileage of electric vehicle and vehicle
CN113022314A (en) * 2019-12-09 2021-06-25 北京车和家信息技术有限公司 Driving range estimation method and device and vehicle
CN113682196A (en) * 2020-05-19 2021-11-23 北京新能源汽车股份有限公司 Method and device for evaluating endurance mileage of electric automobile and automobile
CN113844270A (en) * 2021-09-30 2021-12-28 华人运通(江苏)技术有限公司 Display mileage updating method and device of electric automobile and vehicle
CN114312490A (en) * 2021-03-24 2022-04-12 长城汽车股份有限公司 Method and device for determining driving mileage and vehicle
CN114475257A (en) * 2022-01-25 2022-05-13 中通客车股份有限公司 Method and system for calculating driving range of pure electric bus
CN116424154A (en) * 2023-03-06 2023-07-14 合众新能源汽车股份有限公司 Electric vehicle energy consumption estimation method, system, equipment and medium

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CN110018427A (en) * 2019-05-24 2019-07-16 福建工程学院 A kind of battery health of electric automobile appraisal procedure based on travelling data
CN110370933A (en) * 2019-07-10 2019-10-25 一汽解放汽车有限公司 A kind of course continuation mileage estimating system based on driving style identification
CN110667406A (en) * 2019-09-29 2020-01-10 奇瑞新能源汽车股份有限公司 Electric automobile instantaneous endurance computing system and method and electric automobile
CN110861501A (en) * 2019-11-19 2020-03-06 东风航盛（武汉）汽车控制系统有限公司 Method for estimating endurance mileage of electric automobile based on self-learning
CN110843536A (en) * 2019-11-29 2020-02-28 安徽江淮汽车集团股份有限公司 Electric automobile energy consumption calculation method, device, equipment and storage medium
CN113022314A (en) * 2019-12-09 2021-06-25 北京车和家信息技术有限公司 Driving range estimation method and device and vehicle
CN112977164A (en) * 2019-12-18 2021-06-18 北京宝沃汽车股份有限公司 Method and device for determining driving mileage of electric vehicle and vehicle
CN113682196B (en) * 2020-05-19 2024-04-02 北京新能源汽车股份有限公司 Electric automobile endurance mileage evaluation method and device and automobile
CN113682196A (en) * 2020-05-19 2021-11-23 北京新能源汽车股份有限公司 Method and device for evaluating endurance mileage of electric automobile and automobile
CN112406629A (en) * 2020-11-25 2021-02-26 中国第一汽车股份有限公司 Remaining mileage determination method, device, equipment and vehicle
CN112622619A (en) * 2020-12-17 2021-04-09 江苏开沃汽车有限公司 Display method of code-breaking screen instrument
CN112590620A (en) * 2020-12-25 2021-04-02 吉林大学 Pure electric vehicle energy consumption estimation method oriented to random stroke model
CN112721661A (en) * 2021-01-29 2021-04-30 重庆长安新能源汽车科技有限公司 Estimation method and device for cruising mileage of fuel cell electric vehicle and storage medium
CN114312490A (en) * 2021-03-24 2022-04-12 长城汽车股份有限公司 Method and device for determining driving mileage and vehicle
CN114312490B (en) * 2021-03-24 2023-12-15 长城汽车股份有限公司 Method and device for determining endurance mileage and vehicle
CN113844270A (en) * 2021-09-30 2021-12-28 华人运通(江苏)技术有限公司 Display mileage updating method and device of electric automobile and vehicle
CN114475257A (en) * 2022-01-25 2022-05-13 中通客车股份有限公司 Method and system for calculating driving range of pure electric bus
CN116424154A (en) * 2023-03-06 2023-07-14 合众新能源汽车股份有限公司 Electric vehicle energy consumption estimation method, system, equipment and medium
CN116424154B (en) * 2023-03-06 2024-02-13 合众新能源汽车股份有限公司 Electric vehicle energy consumption estimation method, system, equipment and medium

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