CN109552050A - Electric vehicle average current drain determines method and apparatus - Google Patents
Electric vehicle average current drain determines method and apparatus Download PDFInfo
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- CN109552050A CN109552050A CN201811405137.XA CN201811405137A CN109552050A CN 109552050 A CN109552050 A CN 109552050A CN 201811405137 A CN201811405137 A CN 201811405137A CN 109552050 A CN109552050 A CN 109552050A
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- current drain
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
- B60L2260/52—Control modes by future state prediction drive range estimation, e.g. of estimation of available travel distance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
- B60L2260/54—Energy consumption estimation
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of electric vehicle average current drains to determine method and apparatus, belongs to remaining mileage estimating techniques field.Electric vehicle average current drain provided in an embodiment of the present invention determines method and apparatus, according to the voltage value and current value of the voltage value of the electric machine controller of acquisition and current value and direct current transducer, calculates the average current drain value of driving device;If air-conditioning is opened, the voltage value and current value of air-conditioner controller are obtained, the average current drain value of air-conditioning is calculated;According to the average current drain value of the average current drain value of air-conditioning and driving device, the average current drain value of electric vehicle is calculated;If air-conditioning is not opened, using the average current drain value of driving device as the average current drain value of electric vehicle, the average current drain value of more accurate electric vehicle can be provided, and then provide more accurate remaining mileage.
Description
Technical field
The present invention relates to remaining mileage estimating techniques fields, in particular to a kind of electric vehicle average current drain
Determine method and apparatus.
Background technique
Instantly, country greatly develops new-energy automobile, has also formulated many preferential policies, supports innovation, encourages user
New-energy automobile is bought, however, facing new-energy automobile, Most users have course continuation mileage anxiety disorder, and many vehicles exist
The problem of making a false report mileage, this makes user more worry the course continuation mileage problem of electric car.
In course continuation mileage, remaining mileage is that user is concerned about the most, and there are two the principal elements for influencing remaining mileage, point
Be not that the average current drain of dump energy sum calculates, at present average current drain calculation method used in vehicle mostly use greatly it is accumulative in
Journey and accumulative power consumption calculate average current drain, and this method is merely able to rough calculating average current drain, and with the increase of mileage,
This calculated average current drain of method can not reflect current true average current drain, so that the accuracy of calculated result is inclined
It is low, so that the accuracy in computation of remaining mileage is also relatively low.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of electric vehicle average current drains to determine
Method can provide more accurate average current drain value for electric vehicle, and in conjunction with dump energy, it is more accurate to provide
Remaining mileage.
In a first aspect, the embodiment of the invention provides a kind of electric vehicle average current drains to determine method, the method
Include:
Obtain the voltage value of current motor controller and the voltage value and current value of current value and direct current transducer;
According to the voltage value and current value of the voltage value of the electric machine controller and current value and direct current transducer, calculate
The average current drain value of driving device;
Judge whether air-conditioning is opened;
If so, obtaining the voltage value and current value of current air-conditioner controller, the average current drain value of air-conditioning is calculated;
According to the average current drain value of the average current drain value of the air-conditioning and the driving device, the electronic traffic is calculated
The average current drain value of tool;
If not, using the average current drain value of the driving device as the average current drain value of the electric vehicle.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein root
According to the voltage value and current value of the electric machine controller and the voltage value and current value of direct current transducer, driving device is calculated
The step of average current drain value, comprising:
According to the voltage value and current value of the voltage value of the electric machine controller and current value and direct current transducer, obtain
The average current drain value of first pre-determined distance inner driving device;
The average current drain value of the first pre-determined distance inner driving device is done into ranking operation with the first predetermined coefficient, is obtained
The average current drain value of second pre-determined distance inner driving device;
The average current drain value of the second pre-determined distance inner driving device is done into ranking operation with the second predetermined coefficient, is obtained
The average current drain value of third pre-determined distance inner driving device;
The average current drain value of the third pre-determined distance inner driving device is done into ranking operation with third predetermined coefficient, is obtained
The average current drain value of 4th pre-determined distance inner driving device;
According to the average current drain value of the first pre-determined distance inner driving device, the second pre-determined distance inner driving device it is flat
Equal power consumption value, the average current drain value of third pre-determined distance inner driving device and the average electricity of the 4th pre-determined distance inner driving device
Consumption value obtains the average current drain value of driving device;
The 5th pre-determined distance of every traveling recalculates the average current drain value of the primary driving device.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein according to the voltage value of the voltage value of the electric machine controller and current value and direct current transducer
And current value, the step of obtaining the average current drain value of the first pre-determined distance inner driving device, comprising:
The product of the voltage value of the electric machine controller and current value is subjected to integral operation, is obtained in the first pre-determined distance
The average current drain value of motor;
The product of the voltage value of the direct current transducer and current value is subjected to integral operation, is obtained in the first pre-determined distance
The average current drain value of direct current transducer;
The average current drain value of motor in first pre-determined distance and direct current transducer in the first pre-determined distance are averaged
Power consumption value does add operation, obtains the average current drain value of the first pre-determined distance inner driving device.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein according in the average current drain value of the first pre-determined distance inner driving device, the second pre-determined distance
Driving in the average current drain value of driving device, the average current drain value of third pre-determined distance inner driving device and the 4th pre-determined distance
The average current drain value of device, the step of obtaining the average current drain value of driving device, comprising:
The product of the average current drain value of the first pre-determined distance inner driving device and the 4th predetermined coefficient, second are preset
Average current drain value and the product of the 5th predetermined coefficient, the average electricity of third pre-determined distance inner driving device apart from inner driving device
The average current drain value and the 7th predetermined coefficient of the product and the 4th pre-determined distance inner driving device of consumption value and the 6th predetermined coefficient
Product do add operation, obtain the average current drain value of driving device;4th predetermined coefficient, the 5th predetermined coefficient, the 6th
Predetermined coefficient and the 7th predetermined coefficient and be 1.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein obtains
The voltage value and current value for taking current air-conditioner controller, the step of calculating the average current drain value of air-conditioning, comprising:
The product of the voltage value of the air-conditioner controller and current value is subjected to integral operation, is obtained in the first pre-determined distance
The average current drain value of air-conditioning;
The average current drain value of air-conditioning in first pre-determined distance is done into ranking operation with the 8th predetermined coefficient, is obtained described
The average current drain value of air-conditioning;
The 5th pre-determined distance of every traveling recalculates the average current drain value of the primary air-conditioning.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein root
According to the average current drain value of the air-conditioning and the average current drain value of driving device, the average current drain value of the electric vehicle is calculated
The step of, comprising:
The average current drain value of the average current drain value of the air-conditioning and driving device is done into add operation, obtains the electronic friendship
The average current drain value of logical tool.
Second aspect, the embodiment of the invention also provides a kind of electric vehicle average current drain determining device, institutes
Stating device includes:
Acquiring unit, for obtaining the voltage value of current motor controller and the voltage value of current value and direct current transducer
And current value;
First computing unit, for according to the voltage value and current value of the electric machine controller and the electricity of direct current transducer
Pressure value and current value calculate the average current drain value of driving device;
Judging unit, for judging whether air-conditioning is opened;
Second computing unit, for when the result of judging unit be when, obtain current air-conditioner controller voltage value and
Current value calculates the average current drain value of air-conditioning;
Third computing unit, for when the result of judging unit be when, according to the average current drain value of the air-conditioning and institute
The average current drain value for stating driving device calculates the average current drain value of the electric vehicle;
Determination unit, for when the result of judging unit be it is no when, using the average current drain value of the driving device as institute
State the average current drain value of electric vehicle.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein institute
The first computing unit is stated to be also used to:
According to the voltage value and current value of the voltage value of the electric machine controller and current value and direct current transducer, obtain
The average current drain value of first pre-determined distance inner driving device;
The average current drain value of the first pre-determined distance inner driving device is done into ranking operation with the first predetermined coefficient, is obtained
The average current drain value of second pre-determined distance inner driving device;
The average current drain value of the second pre-determined distance inner driving device is done into ranking operation with the second predetermined coefficient, is obtained
The average current drain value of third pre-determined distance inner driving device;
The average current drain value of the third pre-determined distance inner driving device is done into ranking operation with third predetermined coefficient, is obtained
The average current drain value of 4th pre-determined distance inner driving device;
The product of the average current drain value of the first pre-determined distance inner driving device and the 4th predetermined coefficient, second are preset
Average current drain value and the product of the 5th predetermined coefficient, the average electricity of third pre-determined distance inner driving device apart from inner driving device
The average current drain value and the 7th predetermined coefficient of the product and the 4th pre-determined distance inner driving device of consumption value and the 6th predetermined coefficient
Product do add operation, obtain the average current drain value of driving device;4th predetermined coefficient, the 5th predetermined coefficient, the 6th
Predetermined coefficient and the 7th predetermined coefficient and be 1;
The 5th pre-determined distance of every traveling recalculates the average current drain value of the primary driving device.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein institute
The second computing unit is stated, is also used to:
The product of the voltage value of the air-conditioner controller and current value is subjected to integral operation, is obtained in the first pre-determined distance
The average current drain value of air-conditioning;
The average current drain value of air-conditioning in first pre-determined distance is done into ranking operation with the 8th predetermined coefficient, obtains air-conditioning
Average current drain value;
The 5th pre-determined distance of every traveling recalculates the average current drain value of the primary air-conditioning.
In conjunction with second aspect, the embodiment of the invention provides the third possible embodiments of second aspect, wherein institute
Third computing unit is stated to be also used to:
The average current drain value of the average current drain value of the air-conditioning and driving device is done into add operation, obtains the electronic friendship
The average current drain value of logical tool.
The embodiment of the present invention bring it is following the utility model has the advantages that
Electric vehicle average current drain provided in an embodiment of the present invention determines method and dress
It sets, according to the voltage value and current value of the voltage value of the electric machine controller of acquisition and current value and direct current transducer, calculates and drive
The average current drain value of dynamic device;If air-conditioning is opened, the voltage value and current value of air-conditioner controller are obtained, the average electricity of air-conditioning is calculated
Consumption value;According to the average current drain value of the average current drain value of air-conditioning and driving device, the average current drain of electric vehicle is calculated
Value;If air-conditioning is not opened, using the average current drain value of driving device as the average current drain value of electric vehicle, by that will drive
The average current drain of device and the average current drain separate computations of air-conditioning, when air-conditioning is turned on or off, it is more accurate to present
The average current drain value of electric vehicle can provide more accurate remaining mileage in conjunction with dump energy.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow chart that electric vehicle average current drain provided by the embodiment of the present invention determines method;
Fig. 2 is flow chart the step of calculating the average current drain value of driving device provided by the embodiment of the present invention;
Fig. 3 is the structural block diagram of electric vehicle average current drain determining device provided by the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work, belongs to the present invention
The range of protection.
For the problem that existing electric car average current drain accuracy in computation is relatively low, the embodiment of the invention provides one kind
Electric vehicle average current drain determines method and apparatus, determines first to electric vehicle average current drain of the invention below
Method describes in detail.
Embodiment one
It present embodiments provides a kind of electric vehicle average current drain and determines method, as shown in Figure 1, this method includes such as
Lower step:
Step S101 obtains the voltage value of electric machine controller and the voltage value and electric current of current value and direct current transducer
Value.
Voltage value and the current value expression of above-mentioned electric machine controller are voltage value used in motor and current value;Obtain electricity
The voltage value and current value of machine controller and the voltage value and current value of direct current transducer are the average electricity for calculating driving device
Consumption is prepared.
Step S102, according to the voltage value and electric current of the voltage value of electric machine controller and current value and direct current transducer
Value, calculates the average current drain value of driving device.
The 5th pre-determined distance of every traveling, recalculates the average current drain value an of driving device, and the 5th pre-determined distance can be with
It is 2km or 3km etc..The average current drain for calculating a driving device is worth detailed process as shown in Figure 2, comprising:
Step 1021, according to the voltage value and electric current of the voltage value of electric machine controller and current value and direct current transducer
Value, obtains the average current drain value of the first pre-determined distance inner driving device.
Specifically, the product of the voltage value of electric machine controller and current value is carried out integral operation, obtain first it is default away from
Average current drain value from interior motor;By the product of the voltage value of direct current transducer and current value integrated to obtain first it is default away from
Average current drain value from interior direct current transducer;It will be straight in the average current drain value of motor in the first pre-determined distance and the first pre-determined distance
The average current drain value of stream transformer is added, and obtains the average current drain value of the first pre-determined distance inner driving device.Wherein, first is default
Distance can be the distance of 1km currently travelled, calculating use specific formula is as follows:
In formula, Eo indicates the average current drain value of the first pre-determined distance inner driving device, T1 be start running the 5th it is default away from
From when time, T2 is time when having travelled five pre-determined distances, Vmcu and Imcu, the voltage for respectively indicating electric machine controller
Value and current value, Vdc and Idc respectively indicate the voltage value and current value of direct current transducer.
The average current drain value of first pre-determined distance inner driving device is done weighting fortune with the first predetermined coefficient by step S1022
It calculates, obtains the average current drain value of the second pre-determined distance inner driving device.Wherein second pre-determined distance, which can be, has currently travelled
It is as follows to calculate body formula used for the distance of 10km:
Et=(Et-1*(1-Kt)+Eo*Kt)
In formula, EtIndicate the average current drain value of current second pre-determined distance inner driving device, Et-1Indicate that the last time calculates
The average current drain value of the second pre-determined distance inner driving device arrived, Kt indicate the first predetermined coefficient.
The average current drain value of second pre-determined distance inner driving device is done weighting fortune with the second predetermined coefficient by step S1023
It calculates, obtains the average current drain value of third pre-determined distance inner driving device.Wherein second pre-determined distance, which can be, has currently travelled
It is as follows to calculate body formula used for the distance of 100km:
Eht=(Eht-1*(1-Kh)+Et*Kh)
Eh in formulatIndicate the average current drain value of current third pre-determined distance inner driving device, Eht-1It indicates last to calculate
The average current drain value of obtained third pre-determined distance inner driving device, Kh indicate the second predetermined coefficient.
The average current drain value of third pre-determined distance inner driving device is done weighting fortune with third predetermined coefficient by step S1024
It calculates, obtains the average current drain value of the 4th pre-determined distance inner driving device.Wherein the 4th pre-determined distance, which can be, has currently travelled
It is as follows to calculate body formula used for the distance of 1000km:
Eat=(Eat-1*(1-Ka)+Eht*Ka)
Ea in formulatIndicate the average current drain value of current 4th pre-determined distance inner driving device, Eat-1It indicates last to calculate
The average current drain value of the 4th obtained pre-determined distance inner driving device, Ka indicate third predetermined coefficient.
Step S1025 is filled according to driving in the average current drain value of the first pre-determined distance inner driving device, the second pre-determined distance
The average current drain value of the average current drain value, third pre-determined distance inner driving device set and the 4th pre-determined distance inner driving device
Average current drain value obtains the average current drain value of driving device.
Specifically, by the average current drain value of the first pre-determined distance inner driving device and the product of the 4th predetermined coefficient, second
The average current drain value of pre-determined distance inner driving device and the product of the 5th predetermined coefficient, third pre-determined distance inner driving device it is flat
The average current drain value of the product and the 4th pre-determined distance inner driving device of equal power consumption value and the 6th predetermined coefficient is preset with the 7th
The product of coefficient does add operation, obtains the average current drain value of driving device;4th predetermined coefficient, the 5th predetermined coefficient, the 6th
Predetermined coefficient and the 7th predetermined coefficient and be 1.Calculate it is used specific formula is as follows:
Edrv=Eo*K1+Et*K2+Eht*K3+Eat*K4
In formula, K1, K2, K3 and K4 respectively indicate the 4th predetermined coefficient, the 5th predetermined coefficient, the 6th predetermined coefficient and
7th predetermined coefficient, wherein K1+K2+K3+K4=1.
Step S103, judges whether air-conditioning is opened;If so, executing step S104 and step S105;Otherwise, step is executed
S106。
Step S104 obtains the voltage value and current value of current air-conditioner controller, calculates the average current drain value of air-conditioning.
Likewise, the 5th pre-determined distance of every traveling, recalculates the average current drain value an of air-conditioning.Calculate an air-conditioning
The specific steps of average current drain value are as follows:
Firstly, the product of the voltage value of air-conditioner controller and current value is carried out integral operation, the first pre-determined distance is obtained
The average current drain value of interior air-conditioning.Calculate use specific formula is as follows:
Eaco indicates the average current drain value of air-conditioning in current first pre-determined distance in formula, T1 be start running the 5th it is default away from
From when time, T2 is time when having travelled five pre-determined distances, and Vac and Iac respectively indicate the voltage value of air-conditioner controller
With current value.
Then, the average current drain value of air-conditioning in the first pre-determined distance is done into ranking operation with the 8th predetermined coefficient, obtains sky
The average current drain value of tune.Calculate it is used specific formula is as follows:
Eact=(Eact-1*(1-Kac)+Eaco*Kac)
In formula, EactIndicate the average current drain value of air-conditioning, Eact-1It indicates in last the first pre-determined distance being calculated
The average current drain value of air-conditioning, Kac are the 8th predetermined coefficient.
Step S105 calculates electronic traffic work according to the average current drain value of the average current drain value of air-conditioning and driving device
The average current drain value of tool.
Specifically, the average current drain value of the average current drain value of air-conditioning and driving device is done add operation, electronic friendship is obtained
The average current drain value of logical tool.Calculate use specific formula is as follows:
Esum=Edrv+Eact
In formula, Esum indicates the average current drain value of electric vehicle.
Step S106, using the average current drain value of driving device as the average current drain value of electric vehicle.
Electric vehicle average current drain provided in an embodiment of the present invention determines method, according to
The voltage value and current value of the electric machine controller of acquisition and the voltage value and current value of direct current transducer, calculate driving device
Average current drain value;If air-conditioning is opened, the voltage value and current value of air-conditioner controller are obtained, the average current drain value of air-conditioning is calculated;Root
According to the average current drain value of air-conditioning and the average current drain value of driving device, the average current drain value of electric vehicle is calculated;If empty
Tune is not opened, using the average current drain value of driving device as the average current drain value of electric vehicle, by by driving device
The average current drain separate computations of average current drain and air-conditioning can be presented more accurately electronic when air-conditioning is turned on or off
The average current drain value of the vehicles can provide more accurate remaining mileage in conjunction with dump energy.
Embodiment two
It is corresponding with embodiment one, a kind of electric vehicle average current drain determining device is present embodiments provided, such as
Shown in Fig. 3, which includes:
Acquiring unit 31, for obtain electric machine controller voltage value and current value and direct current transducer voltage value and
Current value.
First computing unit 32, for according to the voltage value and current value of electric machine controller and the voltage of direct current transducer
Value and current value, calculate the average current drain value of driving device.
The specific calculating process of the average current drain value of driving device are as follows:
According to the voltage value and current value of the voltage value of electric machine controller and current value and direct current transducer, first is obtained
The average current drain value of pre-determined distance inner driving device;
The average current drain value of first pre-determined distance inner driving device is done into ranking operation with the first predetermined coefficient, obtains second
The average current drain value of pre-determined distance inner driving device;
The average current drain value of second pre-determined distance inner driving device is done into ranking operation with the second predetermined coefficient, obtains third
The average current drain value of pre-determined distance inner driving device;
The average current drain value of third pre-determined distance inner driving device is done into ranking operation with third predetermined coefficient, obtains the 4th
The average current drain value of pre-determined distance inner driving device;
By the average current drain value of the first pre-determined distance inner driving device and the product of the 4th predetermined coefficient, the second pre-determined distance
The average current drain value of inner driving device and product, the average current drain value of third pre-determined distance inner driving device of the 5th predetermined coefficient
With the product of the 6th predetermined coefficient and the 4th average current drain value of pre-determined distance inner driving device and multiplying for the 7th predetermined coefficient
Product does add operation, obtains the average current drain value of driving device;4th predetermined coefficient, the 5th predetermined coefficient, the 6th predetermined coefficient
And the 7th predetermined coefficient and be 1;
The 5th pre-determined distance of every traveling recalculates the average current drain value of primary above-mentioned driving device.
Judging unit 33, for judging whether air-conditioning is opened.
Second computing unit 34, for when the result of judging unit 33 be when, obtain air-conditioner controller voltage value and
Current value calculates the average current drain value of air-conditioning.
Calculate the detailed process of the average current drain value of air-conditioning are as follows:
The product of the voltage value of air-conditioner controller and current value is subjected to integral operation, obtains air-conditioning in the first pre-determined distance
Average current drain value;
The average current drain value of air-conditioning in first pre-determined distance is done into ranking operation with the 8th predetermined coefficient, obtains the flat of air-conditioning
Equal power consumption value;
The 5th pre-determined distance of every traveling recalculates the average current drain value of primary above-mentioned air-conditioning.
Third computing unit 35, for when the result of judging unit 33 be when, according to the average current drain value of air-conditioning and drive
The average current drain value of dynamic device, calculates the average current drain value of electric vehicle.
Specifically, the average current drain value of the average current drain value of air-conditioning and driving device is made add operation, obtain electronic
The average current drain value of the vehicles.
Determination unit 36, for when the result of judging unit be it is no when, using the average current drain value of driving device as electronic
The average current drain value of the vehicles.
Electric vehicle average current drain determining device provided in an embodiment of the present invention, according to the electric machine controller of acquisition
The voltage value and current value of voltage value and current value and direct current transducer calculate the average current drain value of driving device;If air-conditioning
It opens, obtains the voltage value and current value of air-conditioner controller, calculate the average current drain value of air-conditioning;According to the average current drain value of air-conditioning
With the average current drain value of driving device, the average current drain value of electric vehicle is calculated;If air-conditioning is not opened, by driving device
Average current drain value of the average current drain value as electric vehicle, pass through being averaged the average current drain of driving device and air-conditioning
The average current drain value of more accurate electric vehicle can be presented when air-conditioning is turned on or off in power consumption separate computations,
In conjunction with dump energy, more accurate remaining mileage can be provided.
Further, the embodiment of the invention also provides a kind of machine readable storage medium, the machine readable storage mediums
It is stored with machine-executable instruction, when being called and being executed by processor, machine-executable instruction promotees the machine-executable instruction
Processor is set to realize that above-mentioned electric vehicle average current drain determines method.
Electric vehicle average current drain provided in an embodiment of the present invention determines that method and apparatus technology having the same is special
Sign, so also can solve identical technical problem, reaches identical technical effect.
It should be noted that in embodiment provided by the present invention, it should be understood that disclosed system and method, it can
To realize by another way.The apparatus embodiments described above are merely exemplary, for example, the division of unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can be with
In conjunction with or be desirably integrated into another system, or some features can be ignored or not executed.It is single as illustrated by the separation member
Member may or may not be physically separated, and component shown as a unit may or may not be physics
Unit, it can it is in one place, or may be distributed over multiple network units.It can select according to the actual needs
Some or all of unit therein achieves the purpose of the solution of this embodiment.
In addition, each functional unit in embodiment provided by the invention can integrate in one processing unit, it can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units.
If function is realized in the form of SFU software functional unit and when sold or used as an independent product, can store
In a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words to existing
Having the part for the part or the technical solution that technology contributes can be embodied in the form of software products, the computer
Software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be personal meter
Calculation machine, server or network equipment etc.) execute all or part of the steps of each embodiment method of the present invention.And it is above-mentioned
Storage medium includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
Finally, it should be noted that above embodiments, only a specific embodiment of the invention, to illustrate skill of the invention
Art scheme, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to the present invention into
Go detailed description, those skilled in the art should understand that: anyone skilled in the art is at this
It invents in the technical scope disclosed, can still modify or can be thought easily to technical solution documented by previous embodiment
To variation or equivalent replacement of some of the technical features;And these modifications, variation or replacement, do not make corresponding
The essence of technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection scope of the present invention
Within.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of electric vehicle average current drain determines method, which is characterized in that the described method includes:
Obtain the voltage value of electric machine controller and the voltage value and current value of current value and direct current transducer;
According to the voltage value and current value of the voltage value of the electric machine controller and current value and direct current transducer, driving is calculated
The average current drain value of device;
Judge whether air-conditioning is opened;
If so, obtaining the voltage value and current value of air-conditioner controller, the average current drain value of air-conditioning is calculated;
According to the average current drain value of the average current drain value of the air-conditioning and the driving device, the electric vehicle is calculated
Average current drain value;
If not, using the average current drain value of the driving device as the average current drain value of the electric vehicle.
2. the method according to claim 1, wherein according to the voltage value of the electric machine controller and current value with
And the voltage value and current value of direct current transducer, the step of calculating the average current drain value of driving device, comprising:
According to the voltage value and current value of the voltage value of the electric machine controller and current value and direct current transducer, first is obtained
The average current drain value of pre-determined distance inner driving device;
The average current drain value of the first pre-determined distance inner driving device is done into ranking operation with the second predetermined coefficient, obtains second
The average current drain value of pre-determined distance inner driving device;
The average current drain value of the second pre-determined distance inner driving device is done into ranking operation with third predetermined coefficient, obtains third
The average current drain value of pre-determined distance inner driving device;
The average current drain value of the third pre-determined distance inner driving device is done into ranking operation with the 4th predetermined coefficient, obtains the 4th
The average current drain value of pre-determined distance inner driving device;
According to the average current drain value of the first pre-determined distance inner driving device, the average electricity of the second pre-determined distance inner driving device
The average current drain of consumption value, the average current drain value of third pre-determined distance inner driving device and the 4th pre-determined distance inner driving device
Value, obtains the average current drain value of driving device;
The 5th pre-determined distance of every traveling recalculates the average current drain value of the primary driving device.
3. according to the method described in claim 2, it is characterized in that, according to the voltage value of the electric machine controller and current value with
And the voltage value and current value of direct current transducer, the step of obtaining the average current drain value of the first pre-determined distance inner driving device, packet
It includes:
The product of the voltage value of the electric machine controller and current value is subjected to integral operation, obtains motor in the first pre-determined distance
Average current drain value;
The product of the voltage value of the direct current transducer and current value is subjected to integral operation, obtains direct current in the first pre-determined distance
The average current drain value of converter;
By the average current drain of direct current transducer in the average current drain value of motor in first pre-determined distance and the first pre-determined distance
Value does add operation, obtains the average current drain value of the first pre-determined distance inner driving device.
4. according to the method described in claim 2, it is characterized in that, being averaged according to the first pre-determined distance inner driving device
Power consumption value, the average current drain value of the second pre-determined distance inner driving device, the average current drain value of third pre-determined distance inner driving device
And the 4th pre-determined distance inner driving device average current drain value, the step of obtaining the average current drain value of driving device, comprising:
By the average current drain value of the first pre-determined distance inner driving device and the product of the 4th predetermined coefficient, the second pre-determined distance
The average current drain value of inner driving device and product, the average current drain value of third pre-determined distance inner driving device of the 5th predetermined coefficient
With the product of the 6th predetermined coefficient and the 4th average current drain value of pre-determined distance inner driving device and multiplying for the 7th predetermined coefficient
Product does add operation, obtains the average current drain value of driving device;4th predetermined coefficient, the 5th predetermined coefficient, the 6th preset
Coefficient and the 7th predetermined coefficient and be 1.
5. the method according to claim 1, wherein obtain the voltage value and current value of current air-conditioner controller,
The step of calculating the average current drain value of air-conditioning, comprising:
The product of the voltage value of the air-conditioner controller and current value is subjected to integral operation, obtains air-conditioning in the first pre-determined distance
Average current drain value;
The average current drain value of air-conditioning in first pre-determined distance is done into ranking operation with the 8th predetermined coefficient, obtains the air-conditioning
Average current drain value;
The 5th pre-determined distance of every traveling recalculates the average current drain value of the primary air-conditioning.
6. the method according to claim 1, wherein according to the average current drain value of the air-conditioning and driving device
Average current drain value, the step of calculating the average current drain value of the electric vehicle, comprising:
The average current drain value of the average current drain value of the air-conditioning and driving device is done into add operation, obtains the electronic traffic work
The average current drain value of tool.
7. a kind of electric vehicle average current drain determining device, which is characterized in that described device includes:
Acquiring unit, for obtaining the voltage value of electric machine controller and the voltage value and electric current of current value and direct current transducer
Value;
First computing unit, for according to the voltage value and current value of the electric machine controller and the voltage value of direct current transducer
And current value, calculate the average current drain value of driving device;
Judging unit, for judging whether air-conditioning is opened;
Second computing unit is counted for obtaining the voltage value and current value of air-conditioner controller when the result of judging unit, which is, is
Calculate the average current drain value of air-conditioning;
Third computing unit, for when the result of judging unit be when, according to the average current drain value and the drive of the air-conditioning
The average current drain value of dynamic device, calculates the average current drain value of the electric vehicle;
Determination unit, for when the result of judging unit be it is no when, using the average current drain value of the driving device as the electricity
The average current drain value of the dynamic vehicles.
8. device according to claim 7, which is characterized in that first computing unit is also used to:
According to the voltage value and current value of the voltage value of the electric machine controller and current value and direct current transducer, first is obtained
The average current drain value of pre-determined distance inner driving device;
The average current drain value of the first pre-determined distance inner driving device is done into ranking operation with the first predetermined coefficient, obtains second
The average current drain value of pre-determined distance inner driving device;
The average current drain value of the second pre-determined distance inner driving device is done into ranking operation with the second predetermined coefficient, obtains third
The average current drain value of pre-determined distance inner driving device;
The average current drain value of the third pre-determined distance inner driving device is done into ranking operation with third predetermined coefficient, obtains the 4th
The average current drain value of pre-determined distance inner driving device;
By the average current drain value of the first pre-determined distance inner driving device and the product of the 4th predetermined coefficient, the second pre-determined distance
The average current drain value of inner driving device and product, the average current drain value of third pre-determined distance inner driving device of the 5th predetermined coefficient
With the product of the 6th predetermined coefficient and the 4th average current drain value of pre-determined distance inner driving device and multiplying for the 7th predetermined coefficient
Product does add operation, obtains the average current drain value of driving device;4th predetermined coefficient, the 5th predetermined coefficient, the 6th preset
Coefficient and the 7th predetermined coefficient and be 1;
The 5th pre-determined distance of every traveling recalculates the average current drain value of the primary driving device.
9. device according to claim 7, which is characterized in that second computing unit is also used to:
The product of the voltage value of the air-conditioner controller and current value is subjected to integral operation, obtains air-conditioning in the first pre-determined distance
Average current drain value;
The average current drain value of air-conditioning in first pre-determined distance is done into ranking operation with the 8th predetermined coefficient, obtains the flat of air-conditioning
Equal power consumption value;
The 5th pre-determined distance of every traveling recalculates the average current drain value of the primary air-conditioning.
10. device according to claim 7, which is characterized in that the third computing unit is also used to:
The average current drain value of the average current drain value of the air-conditioning and driving device is done into add operation, obtains the electronic traffic work
The average current drain value of tool.
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104973068A (en) * | 2015-07-10 | 2015-10-14 | 重庆长安汽车股份有限公司 | Average kilometer energy consumption estimation method and device for battery pack for blade electric vehicle |
CN105291881A (en) * | 2014-07-01 | 2016-02-03 | 福特全球技术公司 | Energy consumption rate in distance domain |
CN106553550A (en) * | 2015-09-25 | 2017-04-05 | 比亚迪股份有限公司 | The remaining mileage evaluation method of electric automobile, system and electric automobile |
CN107458236A (en) * | 2017-07-28 | 2017-12-12 | 北京新能源汽车股份有限公司 | A kind of predictor method, device, entire car controller and the automobile of remaining continual mileage |
CN108128168A (en) * | 2016-12-01 | 2018-06-08 | 上海汽车集团股份有限公司 | The average current drain computational methods and device of a kind of electric vehicle |
CN108437840A (en) * | 2018-05-17 | 2018-08-24 | 铠龙东方汽车有限公司 | A kind of residual driving range of electromobile algorithm and system |
CN108819722A (en) * | 2018-06-01 | 2018-11-16 | 汉腾汽车有限公司 | A kind of electric car course continuation mileage predictor method |
-
2018
- 2018-11-22 CN CN201811405137.XA patent/CN109552050A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105291881A (en) * | 2014-07-01 | 2016-02-03 | 福特全球技术公司 | Energy consumption rate in distance domain |
CN104973068A (en) * | 2015-07-10 | 2015-10-14 | 重庆长安汽车股份有限公司 | Average kilometer energy consumption estimation method and device for battery pack for blade electric vehicle |
CN106553550A (en) * | 2015-09-25 | 2017-04-05 | 比亚迪股份有限公司 | The remaining mileage evaluation method of electric automobile, system and electric automobile |
CN108128168A (en) * | 2016-12-01 | 2018-06-08 | 上海汽车集团股份有限公司 | The average current drain computational methods and device of a kind of electric vehicle |
CN107458236A (en) * | 2017-07-28 | 2017-12-12 | 北京新能源汽车股份有限公司 | A kind of predictor method, device, entire car controller and the automobile of remaining continual mileage |
CN108437840A (en) * | 2018-05-17 | 2018-08-24 | 铠龙东方汽车有限公司 | A kind of residual driving range of electromobile algorithm and system |
CN108819722A (en) * | 2018-06-01 | 2018-11-16 | 汉腾汽车有限公司 | A kind of electric car course continuation mileage predictor method |
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