CN107089209A - A kind of method and apparatus for calculating electric automobile continual mileage - Google Patents
A kind of method and apparatus for calculating electric automobile continual mileage Download PDFInfo
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- CN107089209A CN107089209A CN201710388823.XA CN201710388823A CN107089209A CN 107089209 A CN107089209 A CN 107089209A CN 201710388823 A CN201710388823 A CN 201710388823A CN 107089209 A CN107089209 A CN 107089209A
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- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 3
- 238000000205 computational method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
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- 230000011218 segmentation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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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
- 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
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- 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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Abstract
It is described to comprise the following steps the invention discloses a kind of method and apparatus for calculating electric automobile continual mileage：A. the acquisition of position and information；B. the acquisition of programme path；C. programme path is matched with the pointwise of geography information in path index device：By in the programme path input path index device of acquisition, programme path carries out pointwise with the position information in the path in path index device and matched, and obtains matching section and/or non-matching section；D. the calculating and display of continual mileage：By matching section and/or non-matching section, calculate the total power consumption of programme path, and compared total power consumption with present battery dump energy, calculate whether battery dump energy can travel programme path, and can above-mentioned continual mileage be travelled into completion display in a display device.It is of the invention with it is existing continuation of the journey computational methods compared with, accuracy is higher, as a result more accurate.
Description
Technical field
The invention belongs to vehicle continual mileage computing technique field, and in particular to electric vehicle continual mileage is calculated, especially
It is a kind of method and apparatus for calculating electric automobile continual mileage.
Background technology
Pure electric automobile needs that to the energy that driver provides the storage of automobile present battery how many mileage can also be travelled, and
There is provided this result needs to carry out continual mileage calculating.
Currently known continual mileage computational methods are automobiles according to the dump energy of present battery and the wink of current automobile
State power consumption either from some time in past to current a period of time in the result be divided by of average power consumption of automobile obtain
One driving time, this driving time and current speed per hour or from some time in past to current a period of time in automobile
Average speed is multiplied obtained result as continual mileage and is supplied to driver.
This method of the prior art is fairly simple.But automobile disappears during actual travel in different sections
The power of consumption is different, therefore the power consumption of the automobile or some time starts to ought interior average work(for the previous period in the past under current road conditions
Consumption can not all reflect the power consumption in the section that automobile will be travelled, therefore the continual mileage result of calculation carried out in this way is not
Accurately.
The content of the invention
It is an object of the invention to overcome the shortcoming of above-mentioned prior art, solve existing automobile continual mileage calculating and be unable to pin
The problem of result is inaccurate caused by the power consumption situation in the section that will be travelled to automobile is calculated, proposes a kind of for calculating
The method and apparatus of electric automobile continual mileage, it by guider can cook up the mesh that will be sailed for based on electric automobile
Ground planning driving path, and combine energy consumption information of the past in some specific sections of road in planning driving path and calculate
Go out the continual mileage of electric automobile.
To reach above-mentioned purpose, technical scheme is as follows：
A kind of method for calculating electric automobile continual mileage, comprises the following steps：
A. the acquisition of position and information：Obtain under the geographical location information of current driving road segment, current running state per public
In average power consumption and present battery dump energy；
B. the acquisition of programme path：Programme path is obtained according to current geographic position information and destination information；
C. programme path is matched with the pointwise of geography information in path index device：By the programme path input path inspection of acquisition
In rope device, the position information in programme path and the path in path index device carries out pointwise and matched, obtain matching section and/or
Non-matching section；
D. the calculating and display of continual mileage：By matching section and/or non-matching section, the total of programme path is calculated
Power consumption, and total power consumption is compared with present battery dump energy, calculate whether battery dump energy can travel rule
Route is drawn, and can above-mentioned continual mileage be travelled into completion display in a display device.
In a preferred embodiment of the invention, the programme path and the pointwise of geography information in path index device
With in step, include the driving information of the stored vehicle of reading, the driving information of the stored vehicle
The geographical location information that has been run over including vehicle, electric quantity consumption value corresponding with the geographical location information that vehicle has been run over.
In a preferred embodiment of the invention, the programme path and the pointwise of geography information in path index device
With in step, the pointwise matching is specifically referred to：
The point-by-point comparison since the geographical location information of the starting point of programme path, if collecting the geographical position of certain point in real time
Confidence breath is different from the geographical location information for the certain point that vehicle has been run over, and matching terminates, and obtains coupling path；Otherwise
Manage positional information pointwise matching to continue, until the geographical position that the geographical location information and the vehicle that collect in real time have been run over is believed
Breath is different, then matching terminates；
Wherein, the geographical location information of described certain point includes longitude, latitude and the height above sea level of certain point.
In a preferred embodiment of the invention, the programme path and the pointwise of geography information in path index device
With in step, when the geographical location information of the current driving road segment updates and is located in the programme path, then proceed
Above-mentioned pointwise matching process.
In a preferred embodiment of the invention, it is described to calculate in the calculating and step display of the continual mileage
The total power consumption step of programme path is：
Step one), if all matching sections of programme path, the total power consumption of programme path is according to being stored in road
The traveling power consumption in the matching section in the searcher of footpath is calculated；
Step 2), if all non-matching sections of programme path, the power consumption in non-matching section is current driving shape
Every kilometer of average power consumption is multiplied by the milimeter number in non-matching section under state；
Step 3), if containing matching section and non-matching section in programme path, according to step one) and step 2)
The power consumption in matching section and the power consumption in non-matching section are calculated respectively, total power consumption=matching section of programme path
The power consumption in power consumption+non-matching section.
In a preferred embodiment of the invention, in the calculating and step display of the continual mileage, present battery is remained
Remaining electricity can not travel programme path and when programme path includes non-matching section, include the power consumption in non-matching section
The real-time calculating of amount；
The dump energy that recalculates is specially：By current positioning precision of the non-matching section according to positioner
For unit, the 1st section is divided into, the 2nd section ... n-th section of, wherein, n is natural number；
In 1st section to n-th section, every section of power consumption is equal under current running state of the traveling at each section every kilometer
Average power consumption is multiplied by every section of milimeter number.
A kind of device for being used to calculate electric automobile continual mileage that the present invention is provided, including data acquisition module, path
Maker, path index device, power consumption summer and continual mileage calculator, the data acquisition module pass sequentially through described
Path generator, path index device and power consumption calculator are connected with the continual mileage calculator；
The path generator generates programme path by the geographical location information of data collecting module collected, and will be above-mentioned
Programme path is contrasted with the geographical location information stored in path index device, is found out coupling path and is mismatched path；
The power consumption summer is used for the power consumption that programme path is calculated according to path generator and path index device；
The input of the continual mileage calculator is also associated with battery electric quantity checking device, the continual mileage calculator
Output end be connected with display device.
In a preferred embodiment of the invention, the data acquisition module include geographical location information harvester,
Every kilometer of average power consumption under current running state, running section geographical location information memory and running section are geographical
The corresponding power consumption memory of positional information.
In a preferred embodiment of the invention, the geographical location information harvester is used to gather current driving road
The geographical location information of section, the geographical location information is dot position information, and described and described dot position information is including a certain
Longitude, latitude and the height above sea level of point.
In a preferred embodiment of the invention, the input of the power consumption calculator has been also respectively connected with matching road
Footpath power consumption calculator and non-matching path power consumption calculator, the input of the non-matching path power consumption calculator and institute
State path index device connection.
By above-mentioned technical proposal, the beneficial effects of the invention are as follows：
The invention is characterized in that the method for pointwise matching, by the geographical location information and path index device in programme path
The data pointwise contrast of storage, finds out matching section or mismatches section, stored in matching section passage path searcher
Existing power consumption is calculated, and non-matching section is calculated according to current power consumption；With current according to battery
Dump energy or the transient state power consumption of cycling are compared, and the computational methods of continual mileage of the invention are more accurate.Due to difference
The different qualities in section, if only passing through moment power consumption or the average power consumption of certain time period automobile, it is impossible to obtain road
Accurate power consumption in section, can reduce the accuracy that whole continual mileage is calculated.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of flow chart for being used to calculate electric automobile continual mileage method that Fig. 1 provides for the present invention；
A kind of structural representation for being used to calculate electric automobile continual mileage device that Fig. 2 provides for the present invention；
Numeral and the corresponding component title represented by letter in figure：
1st, data acquisition module；2nd, path generator；3rd, path index device；4th, power consumption calculator；5th, continual mileage meter
Calculate device；6th, battery electric quantity checking device；7th, display device；8th, coupling path power consumption calculator；9th, non-matching path power consumption
Calculator.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to the drawings shown in 1, a kind of method for calculating electric automobile continual mileage of the present invention, including it is following
Step：
A. the acquisition of position and information：Obtain under the geographical location information of current driving road segment, current running state per public
In average power consumption and present battery dump energy；
In this step, supervised by positioner (such as navigation, GPS, drive recorder etc.), the electricity of electric automobile in itself
Control system (the electricity monitoring system of such as battery) or onboard system etc., you can obtain.Or by setting data acquisition to fill
Put the collection that such as sensor etc. carries out above-mentioned data；
Wherein, onboard system is for positioner or electricity monitoring system, and the data of collection are more comprehensive, because
It can typically include multiple functions such as navigation, electrical measurement and positioning for onboard system.
These purpose is gathered, partly in order to learning the electricity of present battery；On the other hand, it can obtain current every
The average power consumption of kilometer, the precomputation for power consumption in strange section.And every kilometer of average power consumption under current state,
Compared with moment power consumption or the before power consumption of certain time period, more conform to currently want the reality of programme path, more
Accurately.
B. the acquisition of programme path：Programme path is obtained according to current geographic position information and destination information；
This path planning function in general navigator, mobile phone or miscellaneous equipment is that can be achieved, Yong Huke
With according to the programme path of acquisition selection detour minimum either time-consuming minimum route or according to demand directly set cook up
Detour minimum or time-consuming minimum route.
Certainly, existing inter-vehicle information system can also realize above-mentioned function, may be not necessarily limited to a certain equipment.
C. programme path is matched with the pointwise of geography information in path index device：By the programme path input path inspection of acquisition
In rope device, the position information in programme path and the path in path index device carries out pointwise and matched, obtain matching section and/or
Non-matching section；
The step in, in addition to read by data acquisition device or other detection means stored vehicle
Driving information, wherein, the driving information of stored vehicle includes geographical location information and car that vehicle has been run over
The corresponding electric quantity consumption value of the geographical location information run over.
Specifically, the geographical location information that wheel has been run over is the geographical location information of the every bit run over, bag
Include the longitude, latitude and height above sea level of every bit.
In this step, pointwise matching is specially the point-by-point comparison since the geographical location information of the starting point of programme path, if
The geographical location information for collecting the certain point that the geographical location information of certain point and vehicle have been run in real time is different, matches
Terminate, obtain coupling path；Otherwise geographical location information pointwise matching continues, until the geographical location information that collects in real time with
The geographical location information that vehicle has been run over is different, then matching terminates；
Wherein, the geographical location information of described certain point includes longitude, latitude and the height above sea level of certain point.
Matched by pointwise, be accomplished that the contrast of geographical location information between points, improve accuracy.With it is existing
Technology is compared between section, and error rate of the invention is low.In the prior art, the matching of geographical location information is all segmentation progress
Match somebody with somebody, such purpose is that matching speed is fast, but application condition is big, such as from first to second, there is 9Km distance, according to
3Km carries out two stage cultivation and has divided 3 sections, and power consumption can be relatively more during wherein second segment a bit of such as 500m, and vehicle in front
Run over, according to two stage cultivation, it is impossible to measure this section and once ran over, can not more measure it needs the electricity ratio of consuming other
Section is more；And use pointwise matching, by point-to-point information, can measure in time this it is a bit of once ran over, and power consumption
Amount is more, therefore avoids the occurrence of producing above-mentioned, driver can be more reminded in time, this section of distance power consumption is more, it is noted that with
Exempt from not enough power supply to support to destination.
Further, as the geographical location information of current driving road segment updates and when in the programme path, then
Proceed above-mentioned pointwise matching process.
When in whole programme path, when having non-conterminous several coupling paths, it can be excavated by pointwise matching, this
Sample, it is to avoid the loss of part coupling path, improves the efficiency and accuracy in path planning.Such as, a programme path
There are 3 sections of coupling paths, 4 sections of mismatch paths, and 3 sections of coupling paths are between mismatch path, at this point it is possible to pass through pointwise
Matching, excavates 3 sections of coupling paths respectively, and if using whole route matching, be then easily lost.
D. the calculating and display of continual mileage：By matching section and/or non-matching section, the total of programme path is calculated
Power consumption, and total power consumption is compared with present battery dump energy, calculate whether battery dump energy can travel rule
Route is drawn, and can above-mentioned continual mileage be travelled into completion display in a display device.
Wherein, the total power consumption step for calculating programme path is：
Step one), if all matching sections of programme path, the total power consumption of programme path according to programme path
The traveling power consumption that the matching section of matching is stored in path index device is calculated；
Step 2), if all non-matching sections of programme path, the power consumption in non-matching section is current driving shape
Every kilometer of average power consumption is multiplied by the milimeter number in non-matching section under state；
Step 3), if containing matching section and non-matching section in programme path, according to step one) and step 2)
The power consumption in matching section and the power consumption in non-matching section are calculated respectively, total power consumption=matching section of programme path
The power consumption in power consumption+non-matching section.
If matching section, calculated by the data of the power consumption of preservation, relative to other methods, the power consumption drawn is more
Plus it is accurate.
In the calculating and step display of the continual mileage, present battery dump energy can not travel programme path and
When programme path includes non-matching section, include the real-time calculating of the power consumption in non-matching section；
The dump energy that recalculates is specially：By the non-matching section according to the positioning precision of positioner for singly
Member, is divided into the 1st section, the 2nd section ... n-th section of, wherein, n is natural number；
In 1st section to n-th section, every section of power consumption is equal under current running state of the traveling at each section every kilometer
Average power consumption is multiplied by every section of milimeter number.
During due to gathered data before, there is positioner, so when need to only reuse, it is new without increase
Equipment, and positioning precision is preferably up to.Section division is carried out by the positioning precision of positioner, without redundant equipment, and
Precision is high, time saving and energy saving, and compared with the method for needing to be segmented according to other auxiliary equipments, the application is more saved into
This.
Such as, when the 1st section, the positioning precision of positioner is 5m, then is segmented according to 5m, and works as positioning accurate
Degree is not when being changed into 10m, then above-mentioned fragmentation procedure changes again, so, with the difference of positioning precision and period etc., not
Section with section divides real-time update, it is ensured that the renewal of data, it is to avoid when the power consumption in a certain section in non-matching section
Amount increase becomes hour, and data do not update, it is impossible to the drawbacks of reminding driver in time.
Pass through the technology of the application so that the calculating of power consumption is in real-time update, the shape of real-time tracking in whole system
State, is improved accurate in whole process.
By accompanying drawing 2, a kind of device for being used to calculate electric automobile continual mileage of the present invention, including data acquisition
Module 1, path generator 2, path index device 3, power consumption summer 4 and continual mileage calculator 5, the data acquisition module
Block 1 passes sequentially through the path generator 2, path index device 3 and power consumption calculator 4 and connected with the continual mileage calculator 5
Connect；
Wherein, the geographical location information that the path generator 2 is gathered by data acquisition module 1 generates programme path,
And contrasted above-mentioned programme path and the geographical location information that is stored in path index device 3, find out coupling path and not
With path；
The power consumption summer 4 is used for the power consumption that programme path is calculated according to path generator 2 and path index device 3
Amount；
The input of the continual mileage calculator 5 is also associated with battery electric quantity checking device 6, and the continual mileage is calculated
The output end of device 5 is connected with display device 7.
Further, the data acquisition module 1 is included under geographical location information harvester, current running state per public
In average power consumption, running section geographical location information memory and the corresponding power consumption of running section geographical location information
Measure memory.
By every kilometer under gathering geographic position information, current running state of average power consumption and running section
Various information, are easy to later stage route planning and electricity to calculate and use.
Further, above-mentioned geographical location information harvester is used for the geographical location information for gathering current driving road segment,
The geographical location information is dot position information, and described and described dot position information includes longitude, latitude and the sea of certain point
Degree of lifting.
Because the collection of geographical location information harvester is dot position information, therefore it is stored in running section geographical position
The letter that the geographical location information of running section in information-storing device should gather for above-mentioned geographical location information harvester
Breath, therefore should be also dot position information, this point, those skilled in the art are explained by the present processes combination the above
State, it should know.
Further, the input of the power consumption calculator 4 has been also respectively connected with coupling path power consumption calculator 8
With non-matching path power consumption calculator 9, input and the path index device of the non-matching path power consumption calculator 9
3 connections.
Due in programme path, it is possible to partly belong to coupling path, be partly not belonging to coupling path, it is also possible to whole
Programme path belongs to or is all not belonging to coupling path.
During using the present invention, when programme path is matched, it is believed that matching is unsuccessful, with the power consumption of current electric automobile or
The average power consumption that some time point in past starts electric automobile till now is used as the calculation basis of continual mileage.
Think that the match is successful if the longitude, latitude, altitude info ination collected in real time is identical with existing record value, after
Continuous relatively more next point, until certain point is mismatched, then before the path that is constituted of point be designated as one section of coupling path, with the ground
The electric quantity consumption for managing positional information corresponding record is used as the foundation of electric quantity consumption when continual mileage is calculated in the sections of road.
In the present invention, if dump energy is more than consumption electricity total on programme path, filled in the display of continual mileage
Put identify automobile on 7 can drive to destination；If dump energy is less than consumption electricity total on programme path so
Continual mileage calculator 5 comes in the dump energy input of battery and the determining with positioner since the starting point of programme path
Position precision is first paragraph, is subtracted according to geographical location information with saved record matching whether principle in dump energy
Power consumption on first paragraph obtains a new dump energy, then by this new dump energy according to method above and second
Section asks poor, untill new dump energy is less than or equal to 0, and geographical location information now is recorded including continuous
Sail in the display device 7 of mileage, represent continual mileage of the vehicle on programme path under the conditions of such a dump energy.
In the application, mainly pass through pointwise matching implementation method：The point-by-point comparison since programme path starting point, if in real time
Longitude, latitude, the altitude info ination collected is different from existing record value, thinks that matching is unsuccessful, with current electric automobile
Power consumption or some time point starts the average power consumption of electric automobile till now and is used as the meter of continual mileage in the past
Calculate foundation.Think that the match is successful if the longitude, latitude, altitude info ination collected in real time is identical with existing record value, after
Continuous relatively more next point, until certain point is mismatched, then before the path that is constituted of point be designated as one section of coupling path, with the ground
The electric quantity consumption for managing positional information corresponding record is used as the foundation of electric quantity consumption when continual mileage is calculated in the sections of road.It
Compare again afterwards, the point until finding next matching, be designated as starting point, next unmatched point is designated as terminal, then terminal it
Preceding, the path that the point ended to starting point is constituted is designated as one section of coupling path.Planning complete trails is matched with this.
When electric automobile in the process of moving, record and preserve the geographical location information and electronic vapour of current driving road segment
Electric quantity consumption of the car in current location；When electric automobile sets out traveling next time, the programme path of electric automobile is first read,
Then the geographical location information of the geographical location information of programme path and stored path is matched, kissed for matching
The section of conjunction with the electric quantity consumption with the geographical location information corresponding record as in the sections of road continual mileage calculate when
The foundation of electric quantity consumption.
During using the application, it can measure first every under the geographical location information of current driving road segment, current running state
The average power consumption and battery dump energy of kilometer, then input destination, and programme path is obtained according to navigator etc., plan road
Data Matching in line and path index device is contrasted, and finds out matching section and non-matching section, when in traveling, when route changes,
New programme path can again be contrasted with path index device, find out matching section and non-matching section, and matching is travelled according to car
The power consumption crossed is calculated, because every kind of car is different for the power consumption of same paths, and is stored in the power consumption of path index device
It is most suitable car；Non-matching section carries out the calculating of power consumption according to segmentation, when the positioning precision of vehicle-mounted middle positioner
During change, non-matching section can be segmented calculating power consumption again.Due to being matched in the application using pointwise, its precision is higher than other
The power consumption that method is measured, the real-time update for adding non-matching section power consumption in the application is calculated, and the numerical value drawn is more accurate
Really, precision is more increased.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of method for calculating electric automobile continual mileage, it is characterised in that：Comprise the following steps：
A. the acquisition of position and information：Every kilometer is obtained under the geographical location information of current driving road segment, current running state
Average power consumption and present battery dump energy；
B. the acquisition of programme path：Programme path is obtained according to current geographic position information and destination information；
C. programme path is matched with the pointwise of geography information in path index device：The programme path of acquisition is inputted into path index device
In, programme path carries out pointwise with the position information in the path in path index device and matched, and obtains matching section and/or non-
With section；
D. the calculating and display of continual mileage：By matching section and/or non-matching section, total power consumption of programme path is calculated
Amount, and total power consumption is compared with present battery dump energy, calculate whether battery dump energy can travel planning road
Line, and can above-mentioned continual mileage be travelled into completion display in a display device.
2. a kind of method for calculating electric automobile continual mileage according to claim 1, it is characterised in that：The rule
Route is drawn with the pointwise matching step of geography information in path index device, including the traveling of the stored vehicle of reading
Information, the driving information of the stored vehicle includes the geographical location information that vehicle run over, gone with vehicle
The corresponding electric quantity consumption value of geographical location information crossed.
3. a kind of method for calculating electric automobile continual mileage according to claim 2, it is characterised in that：The rule
Draw route and in the pointwise matching step of geography information in path index device, the pointwise matching is specifically referred to：
The point-by-point comparison since the geographical location information of the starting point of programme path, if collecting the geographical position letter of certain point in real time
Breath is different from the geographical location information for the certain point that vehicle has been run over, and matching terminates, and obtains coupling path；Otherwise geographical position
Information point-wise matching continuation is put, the geographical location information run over until the geographical location information that collects in real time and vehicle is not
Together, then matching terminates；
Wherein, the geographical location information of described certain point includes longitude, latitude and the height above sea level of certain point.
4. a kind of method for calculating electric automobile continual mileage according to claim 3, it is characterised in that：The rule
Draw route and in the pointwise matching step of geography information in path index device, the geographical location information of the current driving road segment is more
It is new and when in the programme path, then proceed above-mentioned pointwise matching process.
5. a kind of method for calculating electric automobile continual mileage according to claim 1, it is characterised in that：It is described continuous
In the calculating and step display of sailing mileage, it is described calculate programme path total power consumption step be：
Step one), if all matching sections of programme path, the total power consumption of programme path is according to being stored in path inspection
The traveling power consumption in the matching section in rope device is calculated；
Step 2), if all non-matching sections of programme path, the power consumption in non-matching section is under current running state
Every kilometer of average power consumption is multiplied by the milimeter number in non-matching section；
Step 3), if containing matching section and non-matching section in programme path, according to step one) and step 2) respectively
Calculate the power consumption in matching section and the power consumption in non-matching section, the power consumption in total power consumption=matching section of programme path
The power consumption in amount+non-matching section.
6. a kind of method for calculating electric automobile continual mileage according to claim 5, it is characterised in that：It is described continuous
In the calculating and step display of sailing mileage, present battery dump energy can not travel programme path and programme path includes
During non-matching section, include the real-time calculating of the power consumption in non-matching section；
The dump energy that recalculates is specially：By the non-matching section according to the current positioning precision of positioner for singly
Member, is divided into the 1st section, the 2nd section ... n-th section of, wherein, n is natural number；
In 1st section to n-th section, every section of power consumption is equal under current running state of the traveling at each section every kilometer and is averaged
Power consumption is multiplied by every section of milimeter number.
7. a kind of device for being used to calculate electric automobile continual mileage, it is characterised in that：Including data acquisition module (1), path
Maker (2), path index device (3), power consumption summer (4) and continual mileage calculator (5), the data acquisition module
(1) path generator (2), path index device (3) and power consumption calculator (4) is passed sequentially through to calculate with the continual mileage
Device (5) is connected；
The geographical location information that the path generator (2) is gathered by data acquisition module (1) generates programme path, and will be upper
State programme path and the geographical location information of storage in path index device (3) is contrasted, find out coupling path and mismatch road
Footpath；
The power consumption summer (4) is used for the consumption that programme path is calculated according to path generator (2) and path index device (3)
Electricity；
The input of the continual mileage calculator (5) is also associated with battery electric quantity checking device (6), and the continual mileage is calculated
The output end of device (5) is connected with display device (7).
8. a kind of device for being used to calculate electric automobile continual mileage according to claim 7, it is characterised in that：The number
Include every kilometer of average power consumption under geographical location information harvester, current running state according to acquisition module (1), travelled
The corresponding power consumption memory of section geographical location information memory and running section geographical location information.
9. a kind of device for being used to calculate electric automobile continual mileage according to claim 8, it is characterised in that：Describedly
Reason position information acquisition device is used for the geographical location information for gathering current driving road segment, and the geographical location information is point position
Information, and described and described dot position information includes longitude, latitude and the height above sea level of certain point.
10. a kind of device for being used to calculate electric automobile continual mileage according to claim 7, it is characterised in that：It is described
The input of power consumption calculator (4) has been also respectively connected with coupling path power consumption calculator (8) and non-matching path power consumption
Calculator (9), the input of the non-matching path power consumption calculator (9) is connected with the path index device (3).
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