CN110103719A - Charge prompting method, system and the vehicle of electric car - Google Patents

Charge prompting method, system and the vehicle of electric car Download PDF

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Publication number
CN110103719A
CN110103719A CN201910383128.3A CN201910383128A CN110103719A CN 110103719 A CN110103719 A CN 110103719A CN 201910383128 A CN201910383128 A CN 201910383128A CN 110103719 A CN110103719 A CN 110103719A
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CN
China
Prior art keywords
electric car
travel route
power consumption
charging pile
mileage
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Granted
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CN201910383128.3A
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Chinese (zh)
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CN110103719B (en
Inventor
刘畅
覃世安
邓俊松
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Guangzhou Xiaopeng Motors Technology Co Ltd
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Guangzhou Xiaopeng Motors Technology Co Ltd
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Publication of CN110103719A publication Critical patent/CN110103719A/en
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Classifications

    • 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
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • 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
    • B60L2260/44—Control modes by parameter estimation
    • 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
    • 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

Abstract

A kind of charge prompting method, system and the vehicle of electric car, this method comprises: obtaining the travel route of the electric car and the road information of the travel route；According to the power consumption parameter of the road information of the travel route and the electric car, predict that the residue when electric car reaches the destination of the travel route can course continuation mileage；The residue can course continuation mileage be less than or equal to mileage threshold value when, export charge prompting message.Implement the embodiment of the present invention, residue when electric car is travelled according to above-mentioned travel route to destination can be predicted can course continuation mileage, so as to residue can course continuation mileage deficiency when pre-tip user charge to vehicle, to reduce the insufficient risk of vehicle electricity, reduces traveling and just find that the problem of vehicle course continuation mileage deficiency occurs on the way.

Description

Charge prompting method, system and the vehicle of electric car
Technical field
The present invention relates to electric vehicle engineering fields, and in particular to charge prompting method, system and the vehicle of electric car.
Background technique
With popularizing for electric car, the charge requirement of electric car is also constantly being expanded.In practice, it has been found that user is very It is easily trapped into the predicament of not enough power supply.Such as find that the remaining capacity of vehicle is less on the way driving, lead to vehicle can Course continuation mileage is shorter, vehicle can not be supported to arrive at the destination.This problem can charge to vehicle before leaving every time And it is resolved.However, this operation is more troublesome, user is easier to forget.Short distance traveling is carried out especially in city When, user, which is more easier to ignore, checks the remaining capacity of vehicle, leads to the risk of not enough power supply in vehicle travel process Increase.
Summary of the invention
The embodiment of the invention discloses charge prompting method, system and the vehicles of a kind of electric car, can use in advance Family pushes charge prompting, reduces the insufficient risk of vehicle electricity.
First aspect of the embodiment of the present invention discloses a kind of charge prompting method of electric car, which comprises
Obtain the travel route of the electric car and the road information of the travel route；
According to the power consumption parameter of the road information of the travel route and the electric car, the electric car is predicted Residue when reaching the destination of the travel route can course continuation mileage；
The residue can course continuation mileage be less than or equal to mileage threshold value when, export charge prompting message.
As an alternative embodiment, the road of the travel route is believed in first aspect of the embodiment of the present invention Breath includes: the distance of the travel route, the average traveling of travel route time-consuming and average speed；The electric car The power consumption parameter non-traveling power consumption general power that includes: the electric car and the per 100 km power consumption under standard condition；
It is described according to the road information of the travel route and the power consumption parameter of the electric car, predict described electronic Residue when automobile reaches the destination of the travel route can course continuation mileage, comprising:
Corresponding relationship between per 100 km power consumption and speed when according to the electric car actual travel and described The average speed of travel route calculates the per 100 km power consumption that the electric car is predicted when driving on the travel route；
According to the distance of the per 100 km power consumption of the prediction and the travel route, predict the electric car in institute State the pure driving energy consumption consumed when driving on travel route；
According to the average traveling of travel route time-consuming and the non-traveling power consumption general power of the electric car, prediction The non-traveling energy consumption that the electric car consumes when driving on the travel route；
According to every under the sum of the pure driving energy consumption and the non-traveling energy consumption and the electric car standard condition Hundred kilometers of power consumptions calculate the electric car and reach the consumption mileage predicted when the destination of the travel route；
According to the current reality of the electric car can course continuation mileage and the prediction consumption mileage, determine the electricity Electrical automobile reaches the residue predicted when the destination can course continuation mileage.
As an alternative embodiment, the road of the travel route is believed in first aspect of the embodiment of the present invention Breath further includes the road power consumption coefficient of the travel route, and the value of the road power consumption coefficient is bigger, the travel route Road conditions are bigger to the increased influence degree of electric car power consumption；
It is described according to the pure driving energy consumption and the non-traveling the sum of consume energy and the electric car standard condition under Per 100 km power consumption, calculate the electric car and reach the consumption mileage predicted when the destination of the travel route, comprising:
Using the road power consumption coefficient of the travel route to the sum of the pure driving energy consumption and the non-traveling energy consumption It is modified, obtains correction result；
According to the per 100 km power consumption under the correction result and the electric car standard condition, calculate described electronic Automobile reaches the consumption mileage predicted when the destination of the travel route.
As an alternative embodiment, in first aspect of the embodiment of the present invention, the method also includes:
Acquire the Automobile drive power consumption that more sample vehicles actually generate under different real-time speeds；
According to the real-time speed of the sample vehicle and Automobile drive power consumption corresponding with the real-time speed, meter Calculate the per 100 km power consumption that the sample vehicle actually generates under different speeds in real time；
The per 100 km power consumption actually generated under different speeds in real time to the more sample vehicles carries out Function Fitting, To obtain the per 100 km power consumption when electric car actual travel and the corresponding relationship between speed.
As an alternative embodiment, in first aspect of the embodiment of the present invention, the method also includes:
Detect whether to get the destination of the electric automobile during traveling；
If got, the road letter of the travel route for obtaining the electric car and the travel route is executed The step of breath；
If had not been obtained, the current reality of the electric car can course continuation mileage be less than or equal to mileage threshold value when, it is defeated Charge prompting message out.
As an alternative embodiment, in first aspect of the embodiment of the present invention, the output charge prompting message, Include:
Search for charging pile of the travel route on the way in range；
The position of the charging pile is exported, to prompt user to charge using the charging pile to the electric car.
As an alternative embodiment, in first aspect of the embodiment of the present invention, travel route described in described search Charging pile in range on the way, comprising:
Search for alternative charging pile of the travel route on the way in range；
When the quantity of the alternative charging pile is greater than for the moment, for each alternative charging pile, according to the electronic vapour Vehicle once determined the first correction factor of the alternative charging pile in the history charging times that the alternative charging pile charges；
The second amendment system of the alternative charging pile is determined according to the current idle of alternative charging pile charging bit quantity Number；
The third correction factor of the alternative charging pile is determined according to the user's evaluation average mark of the alternative charging pile；
The 4th correction factor of the alternative charging pile is determined according to the charging unit price of the alternative charging pile；
Utilize first correction factor, second correction factor, the third correction factor, the 4th amendment system Several deviation distances for deviateing the travel route to the alternative charging pile are modified；
The shortest charging pile of the revised deviation distance is selected from each alternative charging pile as recommendation Charging pile；
And the position of the output charging pile, to prompt user using the charging pile to the electric car It charges, comprising:
Export it is described recommend charging pile position, with prompt user using the recommendation charging pile to the electric car into Row charging.
Second aspect of the embodiment of the present invention discloses a kind of charge prompting system of electric car, comprising:
Acquiring unit, for obtaining the travel route of the electric car and the road information of the travel route；
Predicting unit, for according to the road information of the travel route and the power consumption parameter of the electric car, in advance The residue surveyed when the electric car reaches the destination of the travel route can course continuation mileage；
Prompt unit, for the residue can course continuation mileage be less than or equal to mileage threshold value when, export charge prompting message.
As an alternative embodiment, the road of the travel route is believed in second aspect of the embodiment of the present invention Breath includes: the distance of the travel route, the average traveling of travel route time-consuming and average speed；The electric car The power consumption parameter non-traveling power consumption general power that includes: the electric car and the per 100 km power consumption under standard condition；Institute State predicting unit, comprising:
Power consumption computation subunit, between the per 100 km power consumption and speed when for according to the electric car actual travel Corresponding relationship and the travel route average speed, calculate the electric car on the travel route when driving The per 100 km power consumption of prediction；
First energy consumption computation subunit, for according to the per 100 km power consumption of the prediction and the road of the travel route Journey predicts the pure driving energy consumption that the electric car consumes when driving on the travel route；
Second energy consumption computation subunit, for according to the average traveling time-consuming of the travel route and the electric car Non- traveling power consumption general power, predict the non-traveling energy consumption that the electric car consumes when driving on the travel route；
First mileage calculation subelement, for according to the sum of the pure driving energy consumption and the non-traveling energy consumption, Yi Jisuo The per 100 km power consumption under electric car standard condition is stated, when calculating the electric car and reaching the destination of the travel route The consumption mileage of prediction；
Second mileage calculation subelement, for can course continuation mileage and described pre- according to the current reality of the electric car The consumption mileage of survey determines that the residue predicted when the electric car reaches the destination can course continuation mileage.
As an alternative embodiment, the road of the travel route is believed in second aspect of the embodiment of the present invention Breath further includes the road power consumption coefficient of the travel route；The value of the road power consumption coefficient is bigger, the travel Road conditions are bigger to the increased influence degree of electric car power consumption；
The first mileage calculation unit, specifically for the road power consumption coefficient using the travel route to the pure drive The sum of dynamic energy consumption and the non-traveling energy consumption are modified, and obtain correction result；And according to the correction result and institute The per 100 km power consumption under electric car standard condition is stated, when calculating the electric car and reaching the destination of the travel route The consumption mileage of prediction.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the system also includes:
Acquisition unit, the Automobile drive power consumption actually generated under different real-time speeds for acquiring more sample vehicles Power；
Determination unit, for being driven according to the real-time speed of the sample vehicle and automobile corresponding with the real-time speed Dynamic power consumption calculates the per 100 km power consumption that the sample vehicle actually generates under different speeds in real time；
Fitting unit, the per 100 km power consumption for actually being generated under different speeds in real time to the more sample vehicles Function Fitting is carried out, to obtain the per 100 km power consumption when electric car actual travel and the corresponding relationship between speed.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the system also includes:
Detection unit, for detecting whether getting the destination of the electric automobile during traveling；
The acquiring unit, specifically for obtaining the electronic vapour when the detection unit gets the destination The road information of the travel route of vehicle and the travel route；
The prompt unit is also used to when the destination has not been obtained in the detection unit, if the electronic vapour The current reality of vehicle can course continuation mileage be less than or equal to mileage threshold value, export charge prompting message.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the prompt unit, comprising:
Subelement is searched for, for searching for charging pile of the travel route on the way in range；
Subelement is exported, for exporting the position of the charging pile, to prompt user using the charging pile to the electricity Electrical automobile charges.
As an alternative embodiment, in second aspect of the embodiment of the present invention, described search subelement, comprising:
Search module, for searching for alternative charging pile of the travel route on the way in range；
Determining module is greater than for the quantity in the alternative charging pile for the moment, for each alternative charging pile, root The alternative charging pile once was determined in the history charging times that the alternative charging pile charges according to the electric car First correction factor；And the alternative charging pile is determined according to the current idle of alternative charging pile charging bit quantity Second correction factor；And the third of the alternative charging pile is determined according to the user's evaluation average mark of the alternative charging pile Correction factor；And the 4th correction factor of the alternative charging pile is determined according to the charging unit price of the alternative charging pile；
Correction module, for using first correction factor, second correction factor, the third correction factor with And the deviation distance that the 4th correction factor deviates the travel route to the alternative charging pile is modified；
Module is chosen, the revised deviation distance is shortest to be filled for selecting from each alternative charging pile Electric stake is as recommendation charging pile；
The output subelement, specifically for exporting the position for recommending charging pile, to prompt to push away described in user's utilization Charging pile is recommended to charge to the electric car.
The third aspect of the embodiment of the present invention discloses a kind of vehicle comprising any disclosed in second aspect of the embodiment of the present invention The charge prompting system of kind electric car.
Fourth aspect of the embodiment of the present invention discloses a kind of charge prompting system of electric car, comprising:
It is stored with the memory of executable program code；
The processor coupled with the memory；
The processor calls the executable program code stored in the memory, executes the embodiment of the present invention the On the one hand any one of disclosed method.
Fourth aspect present invention discloses a kind of computer readable storage medium, stores computer program, wherein the meter Calculation machine program makes computer execute the disclosed any one method of first aspect of the embodiment of the present invention.
The 5th aspect of the embodiment of the present invention discloses a kind of computer program product, when the computer program product is calculating When being run on machine, so that the computer executes the disclosed any one method of first aspect of the embodiment of the present invention.
Compared with prior art, the embodiment of the present invention has the advantages that
By obtaining the travel route of electric car and the road information of the travel route, in addition electric car itself Power consumption parameter predicts that residue when electric car reaches the destination of travel route can course continuation mileage；In if residue can continue a journey When journey is less than or equal to mileage threshold value, charge prompting message is exported, user charges to vehicle so as to pre-tip, reduces The insufficient risk of vehicle electricity reduces traveling and just finds that the problem of vehicle course continuation mileage deficiency occurs on the way.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is a kind of flow diagram of the charge prompting method of electric car disclosed by the embodiments of the present invention；
Fig. 2 is the flow diagram of the charge prompting method of another electric car disclosed by the embodiments of the present invention；
A kind of Fig. 3 data statistics of the per 100 km power consumption actually generated and real-time speed disclosed by the embodiments of the present invention Figure；
Fig. 4 is the flow diagram of the charge prompting method of another electric car disclosed by the embodiments of the present invention；
Fig. 5 is a kind of structural schematic diagram of the charge prompting system of electric car disclosed by the embodiments of the present invention；
Fig. 6 is the structural schematic diagram of the charge prompting system of another electric car disclosed by the embodiments of the present invention；
Fig. 7 is the structural schematic diagram of the charge prompting system of another electric car disclosed by the embodiments of the present invention；
Fig. 8 is the structural schematic diagram of the charge prompting system of another electric car disclosed by the embodiments of the present invention.
Specific embodiment
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 the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts Example is applied, shall fall within the protection scope of the present invention.
It should be noted that term " includes " and " having " and their any changes in the embodiment of the present invention and attached drawing Shape, it is intended that cover and non-exclusive include.Such as contain the process, method of a series of steps or units, system, product or Equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit or optional Ground further includes the other step or units intrinsic for these process, methods, product or equipment.
The embodiment of the invention discloses charge prompting method, system and the vehicles of a kind of electric car, can use in advance Family pushes charge prompting, reduces the insufficient risk of vehicle electricity.It is described in detail separately below.
Embodiment one
Referring to Fig. 1, Fig. 1 is a kind of process signal of the charge prompting method of electric car disclosed by the embodiments of the present invention Figure.As shown in Figure 1, the charge prompting method of the electric car may comprise steps of:
101, prompt system obtains the travel route of electric car and the road information of the travel route.
In embodiments of the present invention, the travel route of electric car can be obtained by the navigation system of vehicle, navigation system The navigation Service of the Map Services quotient such as Amap, Baidu map offer can be used in system.The travel route that prompt system obtains Road information to can include but is not limited to the congestion information of the travel route, the distance d of the travel route, average traveling time-consuming T and average speed v etc..Wherein, averagely traveling time-consuming t refer to more trolleys according to the travel route when driving from electric car Current location travel to average time needed for travel route destination；Correspondingly, average speed v refer to more trolleys according to The travel route from the current location of electric car when travelling to travel route destination when driving according to the travel route Average speed.Prompt system can be calculated average according to the distance d and average traveling time-consuming t of the travel route got Speed v can also directly acquire to obtain average speed v from navigation system, and the embodiment of the present invention is without limitation.
102, prompt system predicts electric car according to the road information of travel route and the power consumption parameter of electric car Residue when reaching the destination of travel route can course continuation mileage.
In embodiments of the present invention, the power consumption parameter of electric car can include but is not limited to: the current shape of 1. electric cars The power consumption general power P of each power unit, the power consumption general power can pass through Controller Area Network BUS (Controller under state Area Network, CAN) transmission, power unit may include power consuming units (such as motor) relevant to vehicle traction and with The unrelated power consuming units of vehicle traction (such as air-conditioning)；2. per 100 km power consumption of the electric car under standard condition, standard condition Can for NEDC (New European Driving Cycle), WLTC (Worldwide Light-duty Test Cycle), Any one in the operating conditions such as CLTC (China Light-duty vehicle Test Cycly), for the convenience of description, below Content is with the per 100 km power consumption A under NEDC operating conditionNEDCFor.
Prompt system can calculate electricity according to the road information of travel route and the power consumption parameter of electric car Electrical automobile reaches the consumption mileage predicted when the destination of travel route, can course continuation mileage in conjunction with the current reality of electric car DIt currently can course continuation mileage, residue when can calculate the destination of electric car arrival travel route can course continuation mileage DResidue can course continuation mileage.Tool The calculation formula of body can be such that
DResidue can course continuation mileage=DIt currently can course continuation mileage-P*t/ANEDC；
103, prompt system residue can course continuation mileage be less than or equal to mileage threshold value when, export charge prompting message.
In embodiments of the present invention, above-mentioned mileage threshold value can be defaulted as 0, or any value greater than 0, tool Body can be by user according to the minimum mileage self-setting that may cause mileage anxiety.
It can course continuation mileage D according to the above-mentioned calculated residue of formulaResidue can course continuation mileageIt is reached for prompt system in electric car The residue predicted before destination can course continuation mileage, if calculated residue can course continuation mileage be less than or equal to mileage threshold value, touching Hair output charge prompting message.Wherein, prompt system can specifically pass through the shapes such as vehicle-mounted large-size screen monitors output character, voice or video The charge prompting message of formula, to prompt the not enough power supply of user's electric car, so as to arrive at the destination it in electric car Preceding prompt user charges to electric car, to guarantee that the electricity of electric car can be supported to arrive at the destination.
Preferably, prompt system can execute described by Fig. 1 (when as lighted a fire and be linked into P grades) before electric automobile during traveling Method, with prejudged when electric car sets out current reality can course continuation mileage whether can support this stroke, from And user can be reminded to charge vehicle in advance, further decrease the risk of not enough power supply.
As it can be seen that in the method depicted in fig. 1, prompt system can travel route, travel route according to electric car Road information and electric car itself power consumption parameter, predict electric car and travel according to above-mentioned travel route to mesh Ground when residue can course continuation mileage, so as to the residue of prediction can course continuation mileage be less than or equal to mileage threshold value when, output Charge prompting message, pre-tip user charge to vehicle, reduce the insufficient risk of vehicle electricity, reduce traveling on the way It was found that the problem of vehicle course continuation mileage deficiency occurs.
Embodiment two
Referring to Fig. 2, the process that Fig. 2 is the charge prompting method of another electric car disclosed by the embodiments of the present invention is shown It is intended to.As shown in Fig. 2, the charge prompting method of the electric car may comprise steps of:
201, prompt system detects whether to get the destination of electric automobile during traveling；If so, executing step 203~step Rapid 205；If not, executing step 202.
In embodiments of the present invention, the destination of electric automobile during traveling can be inputted by user, can also be by transferring day The default place of Cheng Jilu is as a purpose.
202, prompt system the current reality of electric car can course continuation mileage be less than or equal to mileage threshold value when, output charging Prompting message.
In embodiments of the present invention, it if the destination of electric automobile during traveling has not been obtained, is difficult to count this row The total distance of journey, can consumable mileage travelled so that it is difficult to predict electric cars.Therefore, step 202, real-time monitoring electricity are executed The reality of electrical automobile can course continuation mileage, actually can course continuation mileage be less than or equal to mileage threshold value when, in time triggering output charging mentioning Show message.
203, prompt system obtains the travel route of electric car and the road information of the travel route.
In embodiments of the present invention, the travel route that prompt system is got is with the electric automobile during traveling in step 201 Destination is as route terminal.In addition, the road information for the travel route that prompt system obtains can include but is not limited to: 1. should The distance d of travel route；2. the average traveling time-consuming t of the travel route；3. the average speed v of the travel route；4. the traveling The road power consumption coefficient k of route.Wherein, the specific value of road power consumption coefficient can be determined with reference to following factor: travel route The elevational change situation (climb and fall situation) of road in traffic lights number on the way, travel route, road on travel route Speed-limiting messages, pavement behavior of road etc. on travel route；The value of road power consumption coefficient k is bigger, the road conditions of travel route It is bigger to the increased influence degree of electric car power consumption.For example, the value range of road power consumption coefficient k can for [0.8, 1.2], if road on travel route is muddy, traffic lights are intensive, climb and fall is frequent, the value of k is larger.
In addition, the travel route that prompt system is got may be specifically made of n segmentation section, correspondingly, system is prompted It unites available to the corresponding distance d in each segmentation section(i=1,2 ... ... n) by i, the average traveling in each segmentation section it is time-consuming t(i=1,2 ... ... n) by iAverage speed v corresponding with each segmentation section(i=1,2 ... ... n) by i。
204, prompt system predicts electric car according to the road information of travel route and the power consumption parameter of electric car Residue when reaching the destination of travel route can course continuation mileage.
In embodiments of the present invention, the power consumption parameter of electric car can include but is not limited to: the current shape of 1. electric cars Non- traveling power consumption general power P under stateNon- traveling power consumption, i.e. the general power of the power consuming units unrelated with vehicle traction；2. electric car exists Per 100 km power consumption A under NEDC operating conditionNEDC。
Optionally, in embodiments of the present invention, the specific embodiment of step 204 can be as shown in following steps:
2041, the corresponding pass between the per 100 km power consumption and speed when prompt system is according to electric car actual travel The average speed v of system and travel route calculates the per 100 km that electric car is predicted when driving on above-mentioned travel route Power consumption.
In embodiments of the present invention, it is to be understood that electric car generates different every hundred in different operating condition downward drivings Kilometer power consumption, and there are certain corresponding relationships with speed for per 100 km power consumption when actual travel.As a kind of optional Embodiment can obtain per 100 km power consumption when electric car actual travel in the following manner in embodiments of the present invention Corresponding relationship between speed:
The Automobile drive power consumption that more S1, acquisition sample vehicles actually generate under different real-time speeds；
Specifically, the stroke detail list of each sample vehicle can be acquired, each data in stroke detail list is sample Corresponding Motor torque and corresponding motor speed etc. under the real-time speed of this vehicle, the real-time speed；All strokes are pressed It is segmented according to speed, calculates corresponding Automobile drive power consumption under the segmentation of each speed, specific calculation can be with are as follows: automobile drives Dynamic power consumption=motor speed/9500 Motor torque *；
S2, the real-time speed according to sample vehicle and Automobile drive power consumption corresponding with real-time speed calculate sample The per 100 km power consumption that this vehicle actually generates under different speeds in real time；Specific calculation can be with are as follows:
S3, the per 100 km power consumption actually generated under different speeds in real time to more sample vehicles carry out Function Fitting, To obtain per 100 km power consumption when electric car actual travel and the corresponding relationship between speed.
Also referring to Fig. 3, Fig. 3 be a kind of per 100 km power consumption actually generated disclosed by the embodiments of the present invention and in real time The data statistics figure of speed.Fig. 3 show 6,7, the collected data of August part difference.As an alternative embodiment, can Using using the data of August part as training set, using the data in June and July as test set.
Training when, using function f (x)=... ax3+bx2+ cx+d is fitted the discrete point in training set, passes through control The coefficient for making most high-order term, searches out most matched curve using linear algebra least square method.Meanwhile the curve fitted needs Will compatibility test collection simultaneously discrete point, the case where to avoid poor fitting and over-fitting.Final fitting obtains the smallest song of error The corresponding relationship between per 100 km power consumption and speed when line can be used as electric car actual travel.
As an example it is assumed that most high-order term is x6When, the error of test set is minimum.So electric car actual travel when Corresponding relationship between per 100 km power consumption and speed can indicate are as follows:
F (x)=ax6+bx5+cx4+dx3+ex2+fx+g；
Above-mentioned step S1~step S3 can be carried out under off-line state, and prompt system can be with when executing step 2041 Pre-generated function f (x) is directly transferred to be calculated.
Correspondingly, the average speed v for the travel route that will acquire substitutes into function f (x), and available electric car is expert at Sail the per 100 km power consumption predicted when driving on route.
In addition, in embodiments of the present invention, prompt system consumes electric car power consuming units relevant to driving pure Driving energy consumption EPure drivingAnd the non-traveling energy consumption E of the power consuming units consumption unrelated with drivingNon- travelingIt is calculated separately.Therefore, it holds The following step 2032~step 2033 of row.
2042, prompt system predicts that electric car exists according to the per 100 km power consumption of prediction and the distance d of travel route The pure driving energy consumption E consumed when driving on travel routePure driving。
In embodiments of the present invention, the per 100 km power consumption and traveling road that electric car is predicted when driving on travel route Product between the distance d of line is the above-mentioned pure driving energy consumption E of predictionPure driving。
It is understood that speed v can will be segmented if travel route includes n segmentation section1、v2、 v3、……vnFunction f (x) is substituted into respectively, obtains the per 100 km power consumption of the corresponding prediction in each segmentation section；Multiplied by correspondence Divide distance, d1、d2、d3、……dn, the corresponding pure driving energy consumption in each segmentation section is obtained, it is corresponding to each segmentation section Pure driving consume energy summation, obtain above-mentioned EPure driving。
2043, prompt system is according to the average traveling time-consuming t of travel route and the non-traveling power consumption total work of electric car Rate PNon- traveling power consumption, predict the non-traveling energy consumption E that electric car consumes when driving on above-mentioned travel routeNon- traveling。
In embodiments of the present invention, it is to be understood that when travel route includes n segmentation section, above-mentioned is averaged The overall average running time of travel route entirety also can be directly used in traveling time-consuming t.
2044, prompt system is using the road power consumption coefficient k of travel route to pure driving energy consumption EPure drivingAnd non-traveling consumption It can ENon- travelingThe sum of be modified, obtain correction result.
2045, prompt system is according to the per 100 km power consumption A under correction result and electric car standard conditionNEDC, meter It calculates electric car and reaches the consumption mileage predicted when the destination of travel route.
2046, prompt system can course continuation mileage D according to the current reality of electric carIt currently can course continuation mileageAnd in the consumption of prediction Journey determines that the residue predicted when electric car arrives at the destination can course continuation mileage DResidue can course continuation mileage。
Specific embodiment shown in step 2041~step 2046 can be indicated by following calculation formula:
DResidue can course continuation mileage=DIt currently can course continuation mileage-(EPure driving+PNon- traveling power consumption*t)*k/ANEDC；
It is understood that can not be repaired using road power consumption coefficient k in other possible embodiments Just, it is directly calculated according to the power consumption condition of electric car, can specifically be indicated by following calculation formula:
DResidue can course continuation mileage=DIt currently can course continuation mileage-(EPure driving+PNon- traveling power consumption*t)/ANEDC；
The residue for calculating prediction can course continuation mileage DRemaining course continuation mileageLater, following steps 205 is continued to execute.
205, prompt system residue can course continuation mileage be less than or equal to mileage threshold value when, export charge prompting message.
As it can be seen that in the method depicted in fig. 2, prompt system can at the traveling destination for getting electric car, Prediction electric car when arriving at the destination possible residue can course continuation mileage, with pre-tip, user fills electric car Electricity；At the traveling destination that electric car has not been obtained, can also monitor electric car reality can course continuation mileage, with timely Prompt user charges to electric car.Further, prompt system carries out the actual travel data of more sample vehicles Big data is excavated, the corresponding relationship between per 100 km power consumption and speed when establishing electric car actual travel, so that prompt System to the possible residue of electric car can course continuation mileage prediction it is more acurrate.Further, travel route can also be added Road power consumption coefficient be modified, further increase the accuracy of prediction.
Embodiment three
Referring to Fig. 4, the process that Fig. 4 is the charge prompting method of another electric car disclosed by the embodiments of the present invention is shown It is intended to.As shown in figure 4, the charge prompting method of the electric car may include steps of:
301, prompt system detects whether to get the destination of electric automobile during traveling；If so, executing step 303~step Rapid 305；If not, executing step 302.
302, the current reality of prompt system monitoring electric car can course continuation mileage whether be less than or equal to mileage threshold value；If It is to execute step 306~step 310；If not, continuing to execute step 302.
303, prompt system obtains the travel route of electric car and the road information of the travel route.
304, prompt system predicts electric car according to the road information of travel route and the power consumption parameter of electric car Residue when reaching the destination of travel route can course continuation mileage.
In embodiments of the present invention, step 2041~step in the specific embodiment of step 304 such as embodiment two Shown in 2046, the following contents is repeated no more.
305, prompt system judge prediction residue can course continuation mileage whether be less than or equal to mileage threshold value；If so, executing Step 306~step 310；If not, terminating this process.
306, the prompt system search travel route alternative charging pile in range on the way.
In embodiments of the present invention, when getting the destination of electric automobile during traveling, range can be on the way for travel route Are as follows: using current vehicle position as starting point, it is made of using above-mentioned destination the normal of point each on the travel route of terminal Region, and the method line length of each point is identical；When the destination of electric automobile during traveling has not been obtained, travel route model on the way Enclosing can be with are as follows: the distance between current location of vehicle is less than or equal to the region that the location point of pre-determined distance threshold value is constituted.
307, when the quantity of alternative charging pile is greater than for the moment, for each alternative charging pile, prompt system difference is true The first adjusted coefficient K 1, the second adjusted coefficient K 2, third adjusted coefficient K 3 and the 4th adjusted coefficient K 4 of fixed alternative charging pile.
In embodiments of the present invention, the first correction factor was once gone through what the alternative charging pile charged with electric car History charging times are corresponding；Second correction factor is corresponding with the current idle of alternative charging pile charging bit quantity；Third amendment system Several user's evaluation average marks with the alternative charging pile determine；The charging unit price of 4th correction factor and the alternative charging pile is right It answers.The value range of K1, K2, K3, K4 can for (0,1].It is understood that the history charging times when alternative charging pile are got over More, the value of K1 is smaller；When the current idle charging bit quantity of alternative charging pile is more, the value of K2 is smaller；When alternative charging The user's evaluation average mark of stake is higher, and the value of K3 is smaller；When the charging unit price of alternative charging pile is lower, the value of K4 is smaller.
308, prompt system utilizes the first adjusted coefficient K 1, the second adjusted coefficient K 2, third adjusted coefficient K 3 and the 4th The deviation distance L that adjusted coefficient K 4 deviates travel route to alternative charging pile is modified.
In embodiments of the present invention, the deviation distance L that alternative charging pile deviates travel route refers to that electric car leaves traveling Operating range needed for route reaches the position of alternative charging pile and again returns to travel route.When in the alternative charging pile triggering When either condition in four conditions stated, distance L can be will deviate from multiplied by certain correction factor.
As an example it is assumed that the deviation distance of a certain alternative charging pile is L1, which often removes the alternative charging pile Charging, the user's evaluation of the alternative charging pile are equally divided into 4.5, then the alternative revised deviation distance of charging pile is L1* K1*K3.It is understood that in the above example, the charging unit price and current idle that the alternative charging pile has not been obtained fill Current potential quantity, then the value of K2 and K4 can be defaulted as 1.
309, prompt system selects the shortest charging pile conduct of revised deviation distance from each alternative charging pile Recommend charging pile.
In embodiments of the present invention, the deviation distance of alternative charging pile is shorter, and electric car, which is more convenient for reaching this, alternatively to be filled Electric stake.Therefore, comprehensively consider alternative charging pile history charging times, current idle charging bit quantity, user's evaluation and After charging unit price is modified, the shortest alternative charging pile of obtained deviation distance can be optimal charging pile, will be optimal Charging pile recommend user.
310, prompt system output recommend charging pile position, with prompt user using recommend charging pile to electric car into Row charging.
In embodiments of the present invention, it is to be understood that an alternative charging is only searched out when if executing step 306 Stake, can not execute step 307~step 309, directly using the alternative charging pile searched out as recommendation charging pile output.
As it can be seen that in embodiments of the present invention, when electric car reality can the residue of course continuation mileage or prediction can continue a journey When mileage is less than or equal to mileage threshold value, prompt system automatic trigger charge prompting；Also, the charge prompting is prompt system recommendation Charging pile position.It is electric car at the charging pile that user is directly guided in such a way that charging pile position is recommended in output It charges.Further, if the quantity for the alternative charging pile that initial search goes out is greater than one, can also further consider alternative The factors such as the history charging times of charging pile, current idle charging bit quantity, user's evaluation and charging unit price, from multiple alternative Optimal charging pile is selected in charging pile recommends user.
Example IV
Referring to Fig. 5, Fig. 5 is a kind of structural representation of the charge prompting system of electric car disclosed by the embodiments of the present invention Figure.As shown in figure 5, the charge prompting system of the electric car may include:
Acquiring unit 501, for obtaining the travel route of electric car and the road information of travel route；
In embodiments of the present invention, the road information for the travel route that acquiring unit 501 obtains can be travel route Average traveling time-consuming t；
Predicting unit 502, for predicting electronic according to the road information of travel route and the power consumption parameter of electric car The residue when destination of automobile arrival travel route can course continuation mileage；
In embodiments of the present invention, the power consumption parameter of electric car can include but is not limited to: electric car current state Under each power unit per 100 km power consumption under standard condition of power consumption general power P and electric car, such as NEDC work Per 100 km power consumption A under conditionNEDC。
Predicting unit 502 predicts that residue when electric car reaches the destination of travel route can course continuation mileage DResidue can course continuation mileage Specific formula for calculation can be expressed as follows:
DResidue can course continuation mileage=DIt currently can course continuation mileage-P*t/ANEDC；
Wherein, DIt currently can course continuation mileageIt can course continuation mileage for the current reality of electric car.
Prompt unit 503, for residue can course continuation mileage be less than or equal to mileage threshold value when, export charge prompting message.
In embodiments of the present invention, it is preferred that can be triggered (when such as lighting a fire and being linked into P grades) before electric automobile during traveling Acquiring unit 501, predicting unit 502 and prompt unit 503 execute above-mentioned operation, so as to when electric car sets out Prejudge current reality can course continuation mileage whether can support this stroke, so as to remind in advance user to vehicle into Row charging, further decreases the risk of not enough power supply.
As it can be seen that implement the charge prompting system of electric car as shown in Figure 5, it can be according to the traveling road of electric car The power consumption parameter of line, the road information of travel route and electric car itself predicts electric car according to above-mentioned traveling Residue when route running to destination can course continuation mileage, so as to the residue of prediction can course continuation mileage be less than or equal to mileage When threshold value, charge prompting message is exported, pre-tip user charges to vehicle, reduces the insufficient risk of vehicle electricity, subtracts Few traveling just finds that the problem of vehicle course continuation mileage deficiency occurs on the way.
Embodiment five
Referring to Fig. 6, the structure that Fig. 6 is the charge prompting system of another electric car disclosed by the embodiments of the present invention is shown It is intended to.Wherein, the charge prompting system of electric car shown in fig. 6 is the charge prompting system of electric car as shown in Figure 5 It optimizes.In the charge prompting system of electric car shown in Fig. 6:
The road information for the travel route that acquiring unit 501 obtains can include but is not limited to: the road of 1. travel routes Journey d；2. the average traveling time-consuming t of the travel route；3. the average speed v of the travel route；4. the road of the travel route consumes Electrostrictive coefficient k.Wherein, the value of road power consumption coefficient k is bigger, and the road conditions of travel route are on the increased influence journey of electric car power consumption It spends bigger.Such as the value range of k can be [0.8,1.2].
The power consumption parameter for the electric car that above-mentioned predicting unit 502 uses can include but is not limited to: 1. electric cars Non- traveling power consumption general power P under current stateNon- traveling power consumption, i.e. the general power of the power consuming units unrelated with vehicle traction；2. electronic Per 100 km power consumption A of the automobile under NEDC operating conditionNEDC。
Correspondingly, above-mentioned predicting unit 502, can specifically include:
Power consumption computation subunit 5021, between the per 100 km power consumption and speed when for according to electric car actual travel Corresponding relationship and travel route average speed v, calculate electric car and predict when driving on above-mentioned travel route Per 100 km power consumption；
First energy consumption computation subunit 5022, for the per 100 km power consumption of prediction and the distance d of travel route, prediction The pure driving energy consumption E that electric car consumes when driving on travel routePure driving；
Second energy consumption computation subunit 5023, for according to the average traveling time-consuming t of travel route and electric car Non- traveling power consumption general power PNon- traveling power consumption, predict the non-traveling energy consumption that electric car consumes when driving on above-mentioned travel route ENon- traveling；
First mileage calculation subelement 5024, for according to pure driving energy consumption EPure drivingWith non-traveling energy consumption ENon- travelingThe sum of, with And the per 100 km power consumption A under electric car standard conditionNEDC, calculate when electric car reaches the destination of travel route and predict Consumption mileage；
As an alternative embodiment, the first mileage calculation subelement 5024 specifically can be used for utilizing travel route Road power consumption coefficient k to pure driving consume energy EPure drivingAnd non-traveling energy consumption ENon- travelingThe sum of be modified, obtain correction result；With And according to the per 100 km power consumption A under correction result and electric car standard conditionNEDC, calculate electric car and reach traveling The consumption mileage predicted when the destination of route.That is, the first mileage calculation subelement 5024 is in the consumption for calculating prediction Road power consumption coefficient k can also be added as impact factor in fare register.
Second mileage calculation subelement 5025, for can course continuation mileage D according to the current reality of electric carCurrent course continuation mileageWith And the consumption mileage of prediction, determine that the residue predicted when electric car arrives at the destination can course continuation mileage DRemaining course continuation mileage。
In conclusion in predicting unit 502 predicts that residue when electric car reaches the destination of travel route can continue a journey Journey DResidue can course continuation mileageSpecific formula for calculation can be expressed as follows:
DResidue can course continuation mileage=DIt currently can course continuation mileage-(EPure driving+PNon- traveling power consumption*t)*k/ANEDC；
Alternatively, can also be expressed as follows:
DResidue can course continuation mileage=DIt currently can course continuation mileage-(EPure driving+PNon- traveling power consumption*t)/ANEDC；
It is further alternative, in embodiments of the present invention, the electric car that above-mentioned power consumption computation subunit 5021 is called Per 100 km power consumption when actual travel and the corresponding relationship between speed can pre-generate under off-line state.Specifically, Relevant generation can be executed by following units in the charge prompting system of electric car to operate:
Acquisition unit 504, the Automobile drive actually generated under different real-time speeds for acquiring more sample vehicles Power consumption；
Specifically, acquisition unit 504 can acquire the stroke detail list of each sample vehicle, each in stroke detail list Data is corresponding Motor torque and corresponding motor speed etc. under the real-time speed of sample vehicle, the real-time speed；It adopts All strokes are segmented by collection unit 504 according to speed, calculate corresponding Automobile drive power consumption under each speed segmentation, specifically Calculation can be with are as follows: Automobile drive power consumption=motor speed/9500 Motor torque *；
Determination unit 505, for according to the real-time speed of sample vehicle and Automobile drive corresponding with real-time speed consumption Electrical power calculates the per 100 km power consumption that sample vehicle actually generates under different speeds in real time；Specific calculation can be with are as follows:
Fitting unit 506, the per 100 km power consumption for actually being generated under different speeds in real time to more sample vehicles Function Fitting is carried out, to obtain per 100 km power consumption when electric car actual travel and the corresponding relationship between speed.
Specifically, fitting unit 506 running data of collected more sample vehicles can be divided into training set and Test set.Training when can be used function f (x)=... ax3+bx2+ cx+d is fitted the discrete point in training set, leads to The coefficient for crossing control most high-order term, searches out most matched curve using linear algebra least square method.Meanwhile the song fitted Line needs the discrete point of compatibility test collection simultaneously, the case where to avoid poor fitting and over-fitting.Final fitting obtains error minimum Per 100 km power consumption and speed of the curve when can be used as electric car actual travel between corresponding relationship.
Further optional, the charge prompting system of electric car shown in fig. 6 can also include:
Detection unit 507, for detecting whether getting the destination of electric automobile during traveling；
Correspondingly, above-mentioned acquiring unit 501 is specifically used for when detection unit 507 gets destination, executes above-mentioned Acquisition electric car travel route and travel route road information operation；
Above-mentioned prompt unit 503 is also used to when the destination has not been obtained in detection unit 507, if electronic vapour The current reality of vehicle can course continuation mileage be less than or equal to mileage threshold value, export charge prompting message.
That is, prompt unit 503 can the true current reality of electric car can course continuation mileage be less than or equal to When mileage threshold value, or electric car prediction residue can course continuation mileage be less than or equal to mileage threshold value when, output charging mention Show message.
As it can be seen that the charge prompting system for implementing electric car as shown in FIG. 6 can be in the traveling for getting electric car When destination, prediction electric car when arriving at the destination possible residue can course continuation mileage, with pre-tip user to electronic vapour Vehicle charges；At the traveling destination that electric car has not been obtained, can also monitor electric car reality can continue a journey in Journey, to prompt user to charge electric car in time.Further, actual travel of the prompt system to more sample vehicles Data carry out big data excavation, the corresponding relationship between per 100 km power consumption and speed when establishing electric car actual travel, So that prompt system to the possible residue of electric car can course continuation mileage prediction it is more acurrate.Further, it can also be added The road power consumption coefficient of travel route is modified, and further increases the accuracy of prediction.
Embodiment six
Referring to Fig. 7, the structure that Fig. 7 is the charge prompting system of another electric car disclosed by the embodiments of the present invention is shown It is intended to.Wherein, the charge prompting system of electric car shown in Fig. 7 is the charge prompting system of electric car as shown in Figure 6 It optimizes.In the charge prompting system of electric car shown in Fig. 7:
Above-mentioned prompt unit 503, can specifically include:
Subelement 5031 is searched for, for searching for charging pile of the travel route on the way in range；Wherein, when above-mentioned detection list When member 507 gets the destination of electric automobile during traveling, travel route may range from the way: be with current vehicle position Point, using the region that above-mentioned destination is made of the normal of point each on the travel route of terminal, and the normal of each point Length is identical；When the destination of electric automobile during traveling has not been obtained in above-mentioned detection unit 507, range can on the way for travel route With are as follows: the distance between current location of vehicle is less than or equal to the region that the location point of pre-determined distance threshold value is constituted.
Subelement 5032 is exported, for exporting the position of charging pile, to prompt user using charging pile to the electronic vapour Vehicle charges.
Further alternative, above-mentioned search subelement 5031 may include following module (not shown):
Search module, for searching for alternative charging pile of the travel route on the way in range；
Determining module is greater than for the quantity in alternative charging pile for the moment, for each alternative charging pile, according to electronic vapour Vehicle once determined the first adjusted coefficient K 1 of the alternative charging pile in the history charging times that the alternative charging pile charges；With And the second adjusted coefficient K 2 of the alternative charging pile is determined according to the current idle of alternative charging pile charging bit quantity；And root The third adjusted coefficient K 3 of the alternative charging pile is determined according to the user's evaluation average mark of alternative charging pile；And according to alternatively filling The charging unit price of electric stake determines the 4th adjusted coefficient K 4 of the alternative charging pile；
In embodiments of the present invention, the value range of K1, K2, K3, K4 can for (0,1].It is understood that when alternative The history charging times of charging pile are more, and the value of K1 is smaller；When alternative charging pile current idle charging bit quantity it is more, K2 Value it is smaller；When the user's evaluation average mark of alternative charging pile is higher, the value of K3 is smaller；When the charging list of alternative charging pile Valence is lower, and the value of K4 is smaller.
Correction module, for utilizing the first adjusted coefficient K 1, the second adjusted coefficient K 2, third adjusted coefficient K 3 and the 4th The deviation distance L that adjusted coefficient K 4 deviates travel route to alternative charging pile is modified；
In embodiments of the present invention, when the alternative charging pile triggers the either condition in four above-mentioned conditions, amendment Module can will deviate from distance L multiplied by certain correction factor.If a certain condition does not trigger, the corresponding correction factor of the condition Value can be defaulted as 1；
Module is chosen, for selecting the shortest charging pile conduct of revised deviation distance from each alternative charging pile Recommend charging pile.
Correspondingly, above-mentioned output subelement 5032 recommends the position of charging pile specifically for output, to prompt user sharp It is charged with recommendation charging pile to electric car.
As it can be seen that implementing the charge prompting system of electric car as shown in Figure 7, can continue in the reality when electric car Navigate mileage or prediction residue can course continuation mileage when being less than or equal to mileage threshold value, automatic trigger charge prompting；Also, the charging Prompt for the position of the charging pile of prompt system recommendation.Use can be directly guided in such a way that charging pile position is recommended in output It charges at the charging pile for electric car at family.Further, if the quantity for the alternative charging pile that initial search goes out is big Yu Yi, can also further consider alternative charging pile history charging times, current idle charging bit quantity, user's evaluation and Charge the factors such as unit price, selects optimal charging pile from multiple alternative charging piles and recommends user.
Embodiment seven
Referring to Fig. 8, the structure that Fig. 8 is the charge prompting system of another electric car disclosed by the embodiments of the present invention is shown It is intended to.As shown in figure 8, the charge prompting system of the electric car may include:
It is stored with the memory 701 of executable program code；
The processor 702 coupled with memory 701；
Wherein, processor 702 calls the executable program code stored in memory 701, executes Fig. 1, Fig. 2 or Fig. 4 institute The charge prompting method of any electric car shown.
It should be noted that the charge prompting system of electric car shown in Fig. 7 can also include power supply, input key, Components not showns, the present embodiment such as loudspeaker, screen, RF circuit, Wi-Fi module, bluetooth module do not repeat.
The embodiment of the present invention discloses a kind of vehicle comprising Fig. 5~any electric car shown in Fig. 8 charge prompting System.
The embodiment of the present invention discloses a kind of computer readable storage medium, stores computer program, wherein the computer Program makes computer execute the charge prompting method of any electric car of Fig. 1, Fig. 2 or shown in Fig. 4.
The embodiment of the present invention discloses a kind of computer program product, which includes storing computer journey The non-transient computer readable storage medium of sequence, and the computer program is operable to that computer is made to execute Fig. 1, Fig. 2 or Fig. 4 Shown in any electric car charge prompting method.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction " in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these special characteristics, structure Or characteristic can combine in any suitable manner in one or more embodiments.Those skilled in the art should also know that Embodiment described in this description belongs to alternative embodiment, and not necessarily the present invention must for related actions and modules Must.
In various embodiments of the present invention, it should be appreciated that magnitude of the sequence numbers of the above procedures are not meant to execute suitable Successively, the execution sequence of each process should be determined by its function and internal logic the certainty of sequence, without coping with the embodiment of the present invention Implementation process constitutes any restriction.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be object unit, can be in one place, or may be distributed over multiple networks On unit.Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can integrate in one processing unit, it is also possible to Each unit physically exists alone, and can also be integrated in one unit with two or more units.Above-mentioned integrated unit Both it can take the form of hardware realization, can also realize in the form of software functional units.
If above-mentioned integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product, It can store in a retrievable memory of computer.Based on this understanding, technical solution of the present invention substantially or Person says all or part of of the part that contributes to existing technology or the technical solution, can be in the form of software products It embodies, which is stored in a memory, including several requests are with so that a computer is set Standby (can be personal computer, server or network equipment etc., specifically can be the processor in computer equipment) executes Some or all of each embodiment above method of the invention step.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One- Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory (Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-Only Memory, CD-ROM) or other disc memories, magnetic disk storage, magnetic tape storage or can For carrying or any other computer-readable medium of storing data.
A kind of charge prompting method, system and the vehicle of electric car disclosed by the embodiments of the present invention have been carried out in detail above Thin to introduce, used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said It is bright to be merely used to help understand method and its core concept of the invention.At the same time, for those skilled in the art, foundation Thought of the invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not It is interpreted as limitation of the present invention.

Claims (15)

1. a kind of charge prompting method of electric car characterized by comprising
Obtain the travel route of the electric car and the road information of the travel route；
According to the power consumption parameter of the road information of the travel route and the electric car, predict that the electric car reaches The residue when destination of the travel route can course continuation mileage；
The residue can course continuation mileage be less than or equal to mileage threshold value when, export charge prompting message.
2. the method according to claim 1, wherein the road information of the travel route includes: the traveling The distance of route, the average traveling of travel route time-consuming and average speed；The power consumption parameter of the electric car includes: Per 100 km power consumption under the non-traveling power consumption general power and standard condition of the electric car；
It is described according to the road information of the travel route and the power consumption parameter of the electric car, predict the electric car Residue when reaching the destination of the travel route can course continuation mileage, comprising:
Corresponding relationship between per 100 km power consumption and speed and the traveling when according to the electric car actual travel The average speed of route calculates the per 100 km power consumption that the electric car is predicted when driving on the travel route；
According to the distance of the per 100 km power consumption of the prediction and the travel route, predict the electric car in the row Sail the pure driving energy consumption consumed when driving on route；
According to the average traveling of the travel route is time-consuming and the non-traveling power consumption general power of the electric car, described in prediction The non-traveling energy consumption that electric car consumes when driving on the travel route；
It is public according to every hundred under the sum of the pure driving energy consumption and the non-traveling energy consumption and the electric car standard condition In power consumption, calculate the electric car and reach the consumption mileage predicted when the destination of the travel route；
According to the current reality of the electric car can course continuation mileage and the prediction consumption mileage, determine the electronic vapour Vehicle reaches the residue predicted when the destination can course continuation mileage.
3. according to the method described in claim 2, it is characterized in that, the road information of the travel route further includes the traveling The road power consumption coefficient of route, the value of the road power consumption coefficient is bigger, and the road conditions of the travel route are to the electronic vapour The increased influence degree of vehicle power consumption is bigger；
It is described according to it is described it is pure driving energy consumption with it is described it is non-traveling energy consumption the sum of and the electric car standard condition under it is every Hundred kilometers of power consumptions calculate the electric car and reach the consumption mileage predicted when the destination of the travel route, comprising:
The sum of the pure driving energy consumption and the non-traveling energy consumption are carried out using the road power consumption coefficient of the travel route Amendment, obtains correction result；
According to the per 100 km power consumption under the correction result and the electric car standard condition, the electric car is calculated The consumption mileage predicted when reaching the destination of the travel route.
4. according to the method described in claim 2, it is characterized in that, the method also includes:
Acquire the Automobile drive power consumption that more sample vehicles actually generate under different real-time speeds；
According to the real-time speed of the sample vehicle and Automobile drive power consumption corresponding with the real-time speed, institute is calculated State the per 100 km power consumption that sample vehicle actually generates under different speeds in real time；
The per 100 km power consumption actually generated under different speeds in real time to the more sample vehicles carries out Function Fitting, with The corresponding relationship between per 100 km power consumption and speed when to the electric car actual travel.
5. the method according to claim 1, wherein the method also includes:
Detect whether to get the destination of the electric automobile during traveling；
If got, the road information of the travel route for obtaining the electric car and the travel route is executed Step；
If had not been obtained, the current reality of the electric car can course continuation mileage be less than or equal to mileage threshold value when, output is filled Electric prompting message.
6. described in any item methods according to claim 1~5, which is characterized in that the output charge prompting message, comprising:
Search for charging pile of the travel route on the way in range；
The position of the charging pile is exported, to prompt user to charge using the charging pile to the electric car.
7. according to the method described in claim 6, it is characterized in that, the charging in range on the way of travel route described in described search Stake, comprising:
Search for alternative charging pile of the travel route on the way in range；
When the quantity of the alternative charging pile is greater than for the moment, for each alternative charging pile, once according to the electric car History charging times through charging in the alternative charging pile determine the first correction factor of the alternative charging pile；
The second correction factor of the alternative charging pile is determined according to the current idle of alternative charging pile charging bit quantity；
The third correction factor of the alternative charging pile is determined according to the user's evaluation average mark of the alternative charging pile；
The 4th correction factor of the alternative charging pile is determined according to the charging unit price of the alternative charging pile；
Utilize first correction factor, second correction factor, the third correction factor, the 4th correction factor pair The deviation distance that the alternative charging pile deviates the travel route is modified；
The shortest charging pile of the revised deviation distance is selected from each alternative charging pile as recommendation charging Stake；
And the position of the output charging pile, to prompt user to carry out using the charging pile to the electric car Charging, comprising:
The position for recommending charging pile is exported, to prompt user to fill using the recommendation charging pile to the electric car Electricity.
8. a kind of charge prompting system of electric car characterized by comprising
Acquiring unit, for obtaining the travel route of the electric car and the road information of the travel route；
Predicting unit, for predicting institute according to the road information of the travel route and the power consumption parameter of the electric car The residue stated when electric car reaches the destination of the travel route can course continuation mileage；
Prompt unit, for the residue can course continuation mileage be less than or equal to mileage threshold value when, export charge prompting message.
9. system according to claim 8, which is characterized in that the road information of the travel route includes: the traveling The distance of route, the average traveling of travel route time-consuming and average speed；The power consumption parameter of the electric car includes: Per 100 km power consumption under the non-traveling power consumption general power and standard condition of the electric car；The predicting unit, packet It includes:
Power consumption computation subunit, pair between per 100 km power consumption and speed when for according to the electric car actual travel It should be related to and the average speed of the travel route, calculate the electric car and predicted when driving on the travel route Per 100 km power consumption；
First energy consumption computation subunit, for according to the per 100 km power consumption of the prediction and the distance of the travel route, Predict the pure driving energy consumption that the electric car consumes when driving on the travel route；
Second energy consumption computation subunit, for according to the average traveling of the travel route is time-consuming and the electric car it is non- Power consumption general power is travelled, predicts the non-traveling energy consumption that the electric car consumes when driving on the travel route；
First mileage calculation subelement, for according to the sum of the pure driving energy consumption and the non-traveling energy consumption and the electricity Per 100 km power consumption under electrical automobile standard condition calculates prediction when the electric car reaches the destination of the travel route Consumption mileage；
Second mileage calculation subelement, for can course continuation mileage and the prediction according to the current reality of the electric car Mileage is consumed, determines that the residue predicted when the electric car reaches the destination can course continuation mileage.
10. system according to claim 9, which is characterized in that the road information of the travel route further includes the row Sail the road power consumption coefficient of route；The value of the road power consumption coefficient is bigger, and the road conditions of the travel are to described electronic The increased influence degree of automobile power consumption is bigger；
The first mileage calculation unit consumes the pure driving specifically for the road power consumption coefficient using the travel route The sum of energy and the non-traveling energy consumption are modified, and obtain correction result；And according to the correction result and the electricity Per 100 km power consumption under electrical automobile standard condition calculates prediction when the electric car reaches the destination of the travel route Consumption mileage.
11. system according to claim 9, which is characterized in that the system also includes:
Acquisition unit, the Automobile drive power consumption function actually generated under different real-time speeds for acquiring more sample vehicles Rate；
Determination unit, for being consumed according to the real-time speed of the sample vehicle and Automobile drive corresponding with the real-time speed Electrical power calculates the per 100 km power consumption that the sample vehicle actually generates under different speeds in real time；
Fitting unit, the per 100 km power consumption for actually generating under different speeds in real time to the more sample vehicles carry out Function Fitting, to obtain the per 100 km power consumption when electric car actual travel and the corresponding relationship between speed.
12. system according to claim 8, which is characterized in that the system also includes:
Detection unit, for detecting whether getting the destination of the electric automobile during traveling；
The acquiring unit, specifically for obtaining the electric car when the detection unit gets the destination The road information of travel route and the travel route；
The prompt unit is also used to when the destination has not been obtained in the detection unit, if the electric car is worked as Preceding reality can course continuation mileage be less than or equal to mileage threshold value, export charge prompting message.
13. according to the described in any item systems of claim 8~12, which is characterized in that the prompt unit, comprising:
Subelement is searched for, for searching for charging pile of the travel route on the way in range；
Subelement is exported, for exporting the position of the charging pile, to prompt user using the charging pile to the electronic vapour Vehicle charges.
14. system according to claim 13, which is characterized in that described search subelement, comprising:
Search module, for searching for alternative charging pile of the travel route on the way in range；
Determining module is greater than for the quantity in the alternative charging pile for the moment, for each alternative charging pile, according to institute It states electric car and once determined the first of the alternative charging pile in the history charging times that the alternative charging pile charges Correction factor；And the second of the alternative charging pile is determined according to the current idle of alternative charging pile charging bit quantity Correction factor；And determine that the third of the alternative charging pile is corrected according to the user's evaluation average mark of the alternative charging pile Coefficient；And the 4th correction factor of the alternative charging pile is determined according to the charging unit price of the alternative charging pile；
Correction module, for utilizing first correction factor, second correction factor, the third correction factor and institute The deviation distance that the 4th correction factor deviates the travel route to the alternative charging pile is stated to be modified；
Module is chosen, for selecting the revised shortest charging pile of the deviation distance from each alternative charging pile As recommendation charging pile；
The output subelement, specifically for exporting the position for recommending charging pile, to prompt user to fill using the recommendation Electric stake charges to the electric car.
15. a kind of vehicle characterized by comprising such as the described in any item systems of claim 8~14.
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