CN105890914A - Method and device for testing driving mileage of electric automobile - Google Patents
Method and device for testing driving mileage of electric automobile Download PDFInfo
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- CN105890914A CN105890914A CN201610483412.4A CN201610483412A CN105890914A CN 105890914 A CN105890914 A CN 105890914A CN 201610483412 A CN201610483412 A CN 201610483412A CN 105890914 A CN105890914 A CN 105890914A
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- Prior art keywords
- kerb weight
- course continuation
- continuation mileage
- road running
- running resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention provides a method and a device for testing the driving mileage of an electric automobile. The method comprises the following steps: acquiring a first road driving resistance of a tested automobile, corresponding to a first curb weight; setting a first loading force of a chassis power tester according to the first road driving resistance and testing a first driving mileage corresponding to the first curb weight; acquiring a second road driving resistance of the tested automobile, corresponding to the second curb weight; setting a second loading force of the chassis power tester according to the second road driving resistance and testing a second driving mileage corresponding to the second curb weight; determining the influence coefficient of the curb weight of the tested automobile to the driving mileage according to the first driving mileage and the second driving mileage. According to the embodiment of the invention, the loading force of the chassis power tester can be adjusted for conveniently and accurately testing the influence of different curb weights on the driving mileage and the safety is high.
Description
Technical field
The application relates to automobile technical field, particularly relates to a kind of electric automobile course continuation mileage method of testing and device.
Background technology
At present, due to the technical limitations of electrokinetic cell, the pure electric automobile kerb weight of same level is mostly higher than tradition combustion
Petrol car.
But, kerb weight affects the course continuation mileage of pure electric automobile, reduces kerb weight and becomes lifting course continuation mileage
A kind of important measure.Therefore, the method for testing on course continuation mileage impact after the complete vehicle quality of a kind of electric automobile alleviates is needed badly.
Summary of the invention
One of technical problem that the application is intended to solve in above-mentioned technology the most to a certain extent.
To this end, the first of the application purpose is to propose a kind of electric automobile course continuation mileage method of testing, the method is led to
Overregulate the loading force of chassis dynamometer, it is achieved the convenient different kerb weight impact on course continuation mileage of test accurately, safety
Property high.
Second purpose of the application is to propose a kind of electric automobile course continuation mileage test device.
For reaching above-mentioned purpose, the application first aspect embodiment proposes a kind of electric automobile course continuation mileage method of testing,
Including: obtain the first road running resistance that tested vehicle is corresponding with the first kerb weight；According to described first road driving resistance
Power arranges the first loading force of chassis dynamometer, and tests first course continuation mileage corresponding with described first kerb weight；Obtain
The second road running resistance that tested vehicle is corresponding with the second kerb weight；According to described second road running resistance, chassis is set
Second loading force of dynamometer machine, and test second course continuation mileage corresponding with described second kerb weight；Continue according to described first
Boat mileage and described second course continuation mileage determine that the kerb weight of described tested vehicle affects coefficient to course continuation mileage.
The electric automobile course continuation mileage method of testing of the embodiment of the present application, first obtains measured vehicle and first and reorganizes and outfit matter
The first road running resistance that amount is corresponding, arranges the first loading force of chassis dynamometer then according to the first road running resistance,
And test first course continuation mileage corresponding with the first kerb weight, then obtain that measured vehicle is corresponding with the second kerb weight the
Two road running resistances, arrange the second loading force of chassis dynamometer then according to the second road running resistance, and test and the
The second course continuation mileage that two kerb weights are corresponding.Tested vehicle is determined finally according to the first course continuation mileage and the second course continuation mileage
Kerb weight affects coefficient to course continuation mileage.The method by regulate chassis dynamometer loading force, it is achieved convenient accurately
The different kerb weight impact on course continuation mileage of test, safety is high.
It addition, can also have following additional according to the electric automobile course continuation mileage method of testing of the above embodiments of the present application
Technical characteristic:
In some instances, the first road running resistance that described acquisition tested vehicle is corresponding with the first kerb weight, bag
Include: obtaining test parameter, wherein, described test parameter includes: coefficient of rolling resistance, air resistance coefficient, front face area and described
The speed of tested vehicle；Application preset formula carries out calculating process to described first kerb weight and described test parameter, obtains
Described first road running resistance.
In some instances, the second road running resistance that described acquisition tested vehicle is corresponding with the second kerb weight, bag
Include: application preset formula carries out calculating process to described second kerb weight and described test parameter, obtains described second road
Running resistance.
In some instances, described preset formula includes:
Wherein, f0For coefficient of rolling resistance constant, f1For resistance to rolling coefficient of first order, m is kerb weight, and v is the speed of tested vehicle, g
For acceleration of gravity, CdFor air resistance coefficient, A is front face area.
In some instances, at described the first loading force arranging chassis dynamometer according to described first road running resistance
Before, also include: according to testing requirement adjusting ambient cabin temperature.
For reaching above-mentioned purpose, the application second aspect embodiment proposes a kind of electric automobile course continuation mileage test device,
Including: acquisition module, for obtaining the first road running resistance that tested vehicle is corresponding with the first kerb weight；Processing module,
For arranging the first loading force of chassis dynamometer according to described first road running resistance, and test reorganizes and outfit matter with described first
The first course continuation mileage that amount is corresponding；Described acquisition module, is additionally operable to obtain second that tested vehicle is corresponding with the second kerb weight
Road running resistance；Described processing module, is additionally operable to arrange the second of chassis dynamometer according to described second road running resistance
Loading force, and test second course continuation mileage corresponding with described second kerb weight；Determine module, for continuing according to described first
Boat mileage and described second course continuation mileage determine that the kerb weight of described tested vehicle affects coefficient to course continuation mileage.
The electric automobile course continuation mileage test device of the embodiment of the present application, first acquisition module obtains measured vehicle and the
The first road running resistance that one kerb weight is corresponding, then processing module arranges Chassis dynamometer according to the first road running resistance
First loading force of machine, and test first course continuation mileage corresponding with the first kerb weight, acquisition module obtains measured car again
Second road running resistance corresponding with the second kerb weight, then processing module arranges the end according to the second road running resistance
Second loading force of dish dynamometer machine, and test second course continuation mileage corresponding with the second kerb weight.Finally determine module according to
First course continuation mileage and the second course continuation mileage determine that the kerb weight of tested vehicle affects coefficient to course continuation mileage.This device leads to
Overregulate the loading force of chassis dynamometer, it is achieved the convenient different kerb weight impact on course continuation mileage of test accurately, safety
Property high.
Can also have following additional it addition, test device according to the electric automobile course continuation mileage of the above embodiments of the present application
Technical characteristic:
In some instances, described acquisition module specifically for: obtain test parameter, wherein, described test parameter includes:
Coefficient of rolling resistance, air resistance coefficient, front face area and the speed of described tested vehicle；Application preset formula is to described first
Kerb weight and described test parameter carry out calculating process, obtain described first road running resistance.
In some instances, described acquisition module is specifically additionally operable to: application preset formula to described second kerb weight and
Described test parameter carries out calculating process, obtains described second road running resistance.
In some instances, described preset formula includes:
Wherein, f0For coefficient of rolling resistance constant, f1For resistance to rolling coefficient of first order, m is kerb weight, and v is the speed of tested vehicle, g
For acceleration of gravity, CdFor air resistance coefficient, A is front face area.
In some instances, described device, also include: module is set, for according to testing requirement adjusting ambient cabin temperature
Degree.
Aspect and advantage that the application adds will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the application.
Accompanying drawing explanation
The application above-mentioned and/or that add aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially with easy to understand, wherein:
Fig. 1 is the flow chart of the electric automobile course continuation mileage method of testing of one embodiment of the application；
Fig. 2 is the flow chart of the electric automobile course continuation mileage method of testing of another embodiment of the application；
Fig. 3 is the structural representation of the electric automobile course continuation mileage test device of one embodiment of the application；And
Fig. 4 is the structural representation of the electric automobile course continuation mileage test device of another embodiment of the application.
Detailed description of the invention
Embodiments herein is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to be used for explaining the application, and it is not intended that restriction to the application.
Below with reference to the accompanying drawings electric automobile course continuation mileage method of testing and the device of the embodiment of the present application are described.
Fig. 1 is the flow chart of the electric automobile course continuation mileage method of testing of one embodiment of the application.
As it is shown in figure 1, this electric automobile course continuation mileage method of testing includes:
Step 101, obtains the first road running resistance that tested vehicle is corresponding with the first kerb weight.
Step 102, arranges the first loading force of chassis dynamometer, and tests and institute according to described first road running resistance
State the first course continuation mileage that the first kerb weight is corresponding.
Specifically, owing to the pure electric automobile kerb weight of current same level is mostly higher than orthodox car, in order to quantitatively divide
Analyse the electric automobile different kerb weight influence degree to continual mileage, this application provides a kind of electric automobile course continuation mileage
Method of testing, in order to obtaining electric automobile kerb weight according to test result affects continual mileage, for the improvement of electric automobile
Reliable reference frame is provided.
In order to test the electric automobile change along with the kerb weight impact on course continuation mileage, pre-set multiple different
Kerb weight is tested, and the present embodiment, as a example by the first kerb weight and the second kerb weight, tests different kerb weights
Impact on course continuation mileage.In actual applications, test in order to more fine-grained, more kerb weight can be passed through
Carrying out test and comparison, specific implementation process sees the present embodiment to the first kerb weight and the description of the second kerb weight, herein
Repeat no more.
First, the first kerb weight of tested electric automobile is determined.Wherein it is desired to explanation, can be according to reality
Application needs to configure electric automobile loading condition and arranges the first kerb weight of correspondence, such as: electric automobile is configured to semi-load
State, or, full load condition etc..
Then, the first road running resistance that tested vehicle is corresponding with the first kerb weight is obtained.It should be noted that can
To need to use various ways to obtain first road running resistance corresponding with the first kerb weight, example according to practical situations
As:
Example one, inquires about the corresponding application parameter of different pavement behavior and the different kerb weights preset, according to application
The first road running resistance that parameter acquiring is corresponding with the first kerb weight；
Example two, obtains test parameter according to default running resistance computing formula, obtains and first according to test parameter
The first road running resistance that kerb weight is corresponding.
Specifically, when electric automobile travels on road, its external drag is by rolling resistance of wheel, the friction of wheel bearing
Cause with the effect of air, and when electric automobile operates on chassis dynamometer, its external drag is the rolling of driving wheel
Resistance, bearing friction and windage and the bearing friction etc. of revolution assembly, these resistance ratios are suffered when travelling on road
External drag much smaller, it addition, there is not the resistance of suffered when electric automobile travels on road air on chassis dynamometer
Power and grade resistance.
Therefore, in order to make electric automobile stressing conditions on chassis dynamometer essentially the same with travelling on road, need
To arrange the first loading force of chassis dynamometer according to the first road running resistance, test obtains that the first kerb weight is corresponding
One course continuation mileage.
Step 103, obtains the second road running resistance that tested vehicle is corresponding with the second kerb weight.
Step 104, arranges the second loading force of chassis dynamometer, and tests and institute according to described second road running resistance
State the second course continuation mileage that the second kerb weight is corresponding.
With reference to above-mentioned steps 101 and the implementation process of step 102, the second kerb weight of test electric automobile corresponding the
Two course continuation mileages.
First, determine the second kerb weight of tested electric automobile, wherein it is desired to explanation, the second kerb weight
Different from the first kerb weight, can need configuration electric automobile loading condition that the second of correspondence is set according to reality application and reorganize and outfit
Quality, such as: electric automobile is configured to Light Condition, or, half cargo condition etc..
Implementation process referring next to above-mentioned steps 101 obtains the second road that tested vehicle is corresponding with the second kerb weight
Running resistance.It should be noted that owing to the second kerb weight and the first kerb weight are different, therefore, the second corresponding road
Running resistance and the first road running resistance are different.
Therefore, in order to make electric automobile stressing conditions on chassis dynamometer essentially the same with travelling on road, need
Second loading force of chassis dynamometer is set according to the second road running resistance, and then test obtains the second kerb weight correspondence
The second course continuation mileage.
According to the first course continuation mileage and the second course continuation mileage, step 105, determines that the kerb weight of tested vehicle is in continuation of the journey
Journey affect coefficient.
Specifically, by the course continuation mileage obtained under the different kerb weight of contrast, obtain kerb weight change in continuation of the journey
The impact of journey.It should be noted that can need to use different calculations to the first course continuation mileage according to reality application and
Second course continuation mileage calculates, and determines that the kerb weight of tested vehicle affects coefficient to course continuation mileage.It is illustrated below:
Assuming the first course continuation mileage 100KM, the second course continuation mileage 120KM, wherein the second kerb weight is than the first few 10KG of kerb weight,
Example one, obtaining the value of 1.2 by 120/100 affects coefficient bits 1.2 to course continuation mileage as reducing 10KG.
Example two, obtaining the value of 0.2 by (120-100)/100 affects coefficient bits to course continuation mileage as reducing 10KG
0.2。
In sum, the electric automobile course continuation mileage method of testing of the embodiment of the present application, first obtain measured vehicle with
The first road running resistance that first kerb weight is corresponding, arranges the of chassis dynamometer then according to the first road running resistance
One loading force, and test first course continuation mileage corresponding with the first kerb weight, then obtain measured vehicle and second and reorganize and outfit matter
The second road running resistance that amount is corresponding, arranges the second loading force of chassis dynamometer then according to the second road running resistance,
And test second course continuation mileage corresponding with the second kerb weight.Determine finally according to the first course continuation mileage and the second course continuation mileage
The kerb weight of tested vehicle affects coefficient to course continuation mileage.The method is by regulating the loading force of chassis dynamometer, it is achieved
The convenient different kerb weight impact on course continuation mileage of test accurately, safety is high.
In order to above-mentioned implementation process is more clearly described, in conjunction with Fig. 2 to obtain road running resistance by preset formula
As a example by be described as follows:
Fig. 2 is the flow chart of the electric automobile course continuation mileage test of another embodiment of the application.
As illustrated in fig. 2, it is assumed that the half cargo condition of the first kerb weight correspondence electric automobile in the present embodiment, first reorganizes and outfit
Quality is M1；The Light Condition of the second kerb weight correspondence electric automobile, the second kerb weight is M2, in the continuation of the journey of this electric automobile
Journey method of testing includes:
Step 201, obtains test parameter, and wherein, test parameter includes: coefficient of rolling resistance, air resistance coefficient and windward
Area and the speed of tested vehicle.
Step 202, application preset formula carries out calculating process to the first kerb weight and test parameter, obtains the first road
Running resistance.
Specifically, the test parameter preset includes the speed of coefficient of rolling resistance, air resistance coefficient, front face area and tested vehicle
During four kinds of parameters, application preset formula the first kerb weight carries out calculating and is processed as
Wherein, f0For coefficient of rolling resistance constant, f1For resistance to rolling coefficient of first order, m1Being the first kerb weight, v is tested vehicle
Speed, g is acceleration of gravity, CdFor air resistance coefficient, A is front face area.Obtain the first road running resistance.
Step 203, according to testing requirement adjusting ambient cabin temperature.
Wherein, air drag and environmental condition close association, in order to ensure the accuracy of test result, need according to test
Demand adjusting ambient cabin temperature.The temperature range of general test demand, error control positive and negative once.
Step 204, arranges the first loading force of chassis dynamometer, and tests whole with first according to the first road running resistance
The first course continuation mileage that standby quality is corresponding.
In order to make electric automobile stressing conditions on chassis dynamometer essentially the same with travelling on road, need basis
The first road running resistance that the tested vehicle the first kerb weight under the first test mode is corresponding arranges chassis dynamometer
First loading force, so test obtain the first course continuation mileage that the first kerb weight is corresponding.
Step 205, application preset formula carries out calculating process to the second kerb weight and test parameter, obtains the second road
Running resistance.
Specifically, the test parameter preset includes the speed of coefficient of rolling resistance, air resistance coefficient, front face area and tested vehicle
During four kinds of parameters, application preset formula the second kerb weight carries out calculating and is processed as
Wherein, f0For coefficient of rolling resistance constant, f1For resistance to rolling coefficient of first order, m2Being the second kerb weight, v is tested vehicle
Speed, g is acceleration of gravity, CdFor air resistance coefficient, A is front face area.Obtain the second road running resistance.
According to step 202, utilizing and preset test parameter, the second kerb weight and test parameter are carried out by application preset formula
Calculating processes, and obtains the second road running resistance.
Step 206, arranges the second loading force of chassis dynamometer, and tests whole with second according to the second road running resistance
The second course continuation mileage that standby quality is corresponding.
Specifically, in order to make electric automobile stressing conditions on chassis dynamometer essentially the same with travelling on road,
Need the second road running resistance according to the tested vehicle the second kerb weight under the second test mode is corresponding that chassis is set
Second loading force of dynamometer machine, so test obtain the second course continuation mileage that the second kerb weight is corresponding.
According to the first course continuation mileage and the second course continuation mileage, step 207, determines that the kerb weight of tested vehicle is in continuation of the journey
Journey affect coefficient.
Specifically, by the course continuation mileage obtained under the different kerb weight of contrast, obtain kerb weight change in continuation of the journey
The impact of journey, referring specifically to step 105, the most no longer describes in detail.
In sum, the electric automobile course continuation mileage method of testing of the embodiment of the present application, first obtain measured vehicle with
The first road running resistance that first kerb weight is corresponding, arranges the of chassis dynamometer then according to the first road running resistance
One loading force, and test first course continuation mileage corresponding with the first kerb weight, then obtain measured vehicle and second and reorganize and outfit matter
The second road running resistance that amount is corresponding, arranges the second loading force of chassis dynamometer then according to the second road running resistance,
And test second course continuation mileage corresponding with the second kerb weight.Determine finally according to the first course continuation mileage and the second course continuation mileage
The kerb weight of tested vehicle affects coefficient to course continuation mileage.The method is by regulating the loading force of chassis dynamometer, it is achieved
The convenient different kerb weight impact on course continuation mileage of test accurately, safety is high.
In order to realize above-described embodiment, the application also proposes a kind of electric automobile course continuation mileage test device.
Fig. 3 is the structural representation of the electric automobile course continuation mileage test device of one embodiment of the application.
As it is shown on figure 3, this electric automobile course continuation mileage test device includes: acquisition module 10, processing module 20 and determine
Module 30.
Wherein, acquisition module 10 is for obtaining the first road running resistance that tested vehicle is corresponding with the first kerb weight.
Processing module 20 for arranging the first loading force of chassis dynamometer according to the first road running resistance, and test with
The first course continuation mileage that first kerb weight is corresponding.
First, the first kerb weight of tested electric automobile is determined.Wherein it is desired to explanation, can be according to reality
Application needs to configure electric automobile loading condition and arranges the first kerb weight of correspondence, such as: electric automobile is configured to semi-load
State, or, full load condition etc..
Then, the first road running resistance that tested vehicle is corresponding with the first kerb weight is obtained.It should be noted that can
To need to use various ways to obtain first road running resistance corresponding with the first kerb weight according to practical situations.Ginseng
Examine the implementation process of above-mentioned steps 101 and step 102, the most no longer describe in detail.
Acquisition module 10 is additionally operable to obtain the second road running resistance that tested vehicle is corresponding with the second kerb weight；
Processing module 20 is additionally operable to arrange the second loading force of chassis dynamometer according to the second road running resistance, and tests
Second course continuation mileage corresponding with the second kerb weight.
With reference to above-mentioned steps 101 and the implementation process of step 102, the second kerb weight of test electric automobile corresponding the
Two course continuation mileages.The most no longer describe in detail.
Determine that module 30 for determining the kerb weight pair of tested vehicle according to the first course continuation mileage and the second course continuation mileage
Course continuation mileage affect coefficient.
Specifically, by the course continuation mileage obtained under the different kerb weight of contrast, obtain kerb weight change in continuation of the journey
The impact of journey.It should be noted that can need to use different calculations to the first course continuation mileage according to reality application and
Second course continuation mileage calculates, and determines that the kerb weight of tested vehicle affects coefficient to course continuation mileage.With reference to above-mentioned steps
The implementation process of 105, the most no longer describes in detail.
It should be noted that the aforementioned explanation to electric automobile course continuation mileage testing example is also applied for this enforcement
The electric automobile course continuation mileage test device of example, here is omitted.
In sum, the electric automobile course continuation mileage test device of the embodiment of the present application, first acquisition module obtains tested
The first road running resistance that amount vehicle is corresponding with the first kerb weight, then processing module sets according to the first road running resistance
Putting the first loading force of chassis dynamometer, and test first course continuation mileage corresponding with the first kerb weight, acquisition module obtains again
Taking the second road running resistance that measured vehicle is corresponding with the second kerb weight, then processing module is according to the second road driving
Resistance arranges the second loading force of chassis dynamometer, and tests second course continuation mileage corresponding with the second kerb weight.Last true
According to the first course continuation mileage and the second course continuation mileage, cover half tuber determines that the kerb weight of tested vehicle affects system to course continuation mileage
Number.This device is by regulating the loading force of chassis dynamometer, it is achieved the convenient different kerb weight of test accurately is to course continuation mileage
Impact, safety is high.
In order to above-mentioned implementation process is more clearly described, in conjunction with Fig. 4 to obtain road running resistance by preset formula
As a example by be described as follows:
Fig. 4 is the structural representation of the electric automobile course continuation mileage test device of another embodiment of the application.
As shown in Figure 4, based on embodiment illustrated in fig. 3, described device also includes: arrange module 40.
Wherein, module 40 is set for according to testing requirement adjusting ambient cabin temperature.
Wherein, air drag and environmental condition close association, in order to ensure the accuracy of test result, need according to test
Demand adjusting ambient cabin temperature.The temperature range of general test demand, error control positive and negative once.
Acquisition module 10 specifically for: obtain test parameter, wherein, described test parameter includes: coefficient of rolling resistance, wind
Resistance coefficient, front face area and the speed of described tested vehicle；First kerb weight and test parameter are entered by application preset formula
Row calculating processes, and obtains described first road running resistance.
Specifically, the test parameter preset includes the speed of coefficient of rolling resistance, air resistance coefficient, front face area and tested vehicle
During four kinds of parameters, application preset formula the first kerb weight carries out calculating and is processed as
Wherein, f0For coefficient of rolling resistance constant, f1For resistance to rolling coefficient of first order, m1Being the first kerb weight, v is tested vehicle
Speed, g is acceleration of gravity, CdFor air resistance coefficient, A is front face area.Obtain the first road running resistance.
Acquisition module 10 is specifically additionally operable to: the second kerb weight and described test parameter are calculated by application preset formula
Process, obtain the second road running resistance.
Specifically, the test parameter preset includes the speed four of coefficient of rolling resistance, air resistance coefficient, front face area and tested vehicle
When planting parameter, application preset formula the second kerb weight carries out calculating and is processed as
Wherein, f0For coefficient of rolling resistance constant, f1For resistance to rolling coefficient of first order, m2Being the second kerb weight, v is tested vehicle
Speed, g is acceleration of gravity, CdFor air resistance coefficient, A is front face area.Obtain the second road running resistance.
It should be noted that the aforementioned explanation to electric automobile course continuation mileage testing example is also applied for this enforcement
The electric automobile course continuation mileage test device of example, here is omitted.
In sum, the electric automobile course continuation mileage test device of the embodiment of the present application, first acquisition module obtains tested
The first road running resistance that amount vehicle is corresponding with the first kerb weight, then processing module sets according to the first road running resistance
Putting the first loading force of chassis dynamometer, and test first course continuation mileage corresponding with the first kerb weight, acquisition module obtains again
Taking the second road running resistance that measured vehicle is corresponding with the second kerb weight, then processing module is according to the second road driving
Resistance arranges the second loading force of chassis dynamometer, and tests second course continuation mileage corresponding with the second kerb weight.Last true
According to the first course continuation mileage and the second course continuation mileage, cover half tuber determines that the kerb weight of tested vehicle affects system to course continuation mileage
Number.This device is by regulating the loading force of chassis dynamometer, it is achieved the convenient different kerb weight of test accurately is to course continuation mileage
Impact, safety is high.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the application.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the present application, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In flow chart or at this, any process described otherwise above or method description are construed as, and expression includes
One or more is for realizing the module of code, fragment or the portion of the executable instruction of the step of specific logical function or process
Point, and the scope of the preferred implementation of the application includes other realization, wherein can not by shown or discuss suitable
Sequence, including according to involved function by basic mode simultaneously or in the opposite order, performs function, and this should be by the application
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or the logic described otherwise above at this and/or step, for example, it is possible to be considered as to use
In the sequencing list of the executable instruction realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (system such as computer based system, including processor or other can hold from instruction
Row system, device or equipment instruction fetch also perform the system instructed) use, or combine these instruction execution systems, device or set
Standby and use.
Those skilled in the art are appreciated that and realize all or part of step that above-described embodiment method is carried
Suddenly the program that can be by completes to instruct relevant hardware, and described program can be stored in a kind of computer-readable storage medium
In matter, this program upon execution, including one or a combination set of the step of embodiment of the method.
Although above it has been shown and described that embodiments herein, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as the restriction to the application, those of ordinary skill in the art can be to above-mentioned in scope of the present application
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. an electric automobile course continuation mileage method of testing, it is characterised in that comprise the following steps:
Obtain the first road running resistance that tested vehicle is corresponding with the first kerb weight；
First loading force of chassis dynamometer is set according to described first road running resistance, and test reorganizes and outfit matter with described first
The first course continuation mileage that amount is corresponding；
Obtain the second road running resistance that tested vehicle is corresponding with the second kerb weight；
Second loading force of chassis dynamometer is set according to described second road running resistance, and test reorganizes and outfit matter with described second
The second course continuation mileage that amount is corresponding；
Determine that the kerb weight of described tested vehicle is in continuation of the journey according to described first course continuation mileage and described second course continuation mileage
Journey affect coefficient.
2. the method for claim 1, it is characterised in that described acquisition tested vehicle corresponding with the first kerb weight
One road running resistance, including:
Obtaining test parameter, wherein, described test parameter includes: coefficient of rolling resistance, air resistance coefficient, front face area, Yi Jisuo
State the speed of tested vehicle；
Application preset formula carries out calculating process to described first kerb weight and described test parameter, obtains described first road
Running resistance.
3. method as claimed in claim 2, it is characterised in that described acquisition tested vehicle corresponding with the second kerb weight the
Two road running resistances, including:
Application preset formula carries out calculating process to described second kerb weight and described test parameter, obtains described second road
Running resistance.
4. method as claimed in claim 2, it is characterised in that described preset formula includes:
Wherein, f0For coefficient of rolling resistance constant, f1For rolling resistance
Power coefficient of first order, m is kerb weight, and v is the speed of tested vehicle, and g is acceleration of gravity, CdFor air resistance coefficient, A is windward side
Long-pending.
5. the method as described in claim 1-4 is arbitrary, it is characterised in that set according to described first road running resistance described
Before putting the first loading force of chassis dynamometer, also include:
According to testing requirement adjusting ambient cabin temperature.
6. an electric automobile course continuation mileage test device, it is characterised in that including:
Acquisition module, for obtaining the first road running resistance that tested vehicle is corresponding with the first kerb weight；
Processing module, for arranging the first loading force of chassis dynamometer according to described first road running resistance, and test with
The first course continuation mileage that described first kerb weight is corresponding；
Described acquisition module, is additionally operable to obtain the second road running resistance that tested vehicle is corresponding with the second kerb weight；
Described processing module, is additionally operable to arrange the second loading force of chassis dynamometer according to described second road running resistance, and
Test second course continuation mileage corresponding with described second kerb weight；
Determine module, for determining reorganizing and outfit of described tested vehicle according to described first course continuation mileage and described second course continuation mileage
Quality affects coefficient to course continuation mileage.
7. device as claimed in claim 6, it is characterised in that described acquisition module specifically for:
Obtaining test parameter, wherein, described test parameter includes: coefficient of rolling resistance, air resistance coefficient, front face area, Yi Jisuo
State the speed of tested vehicle；
Application preset formula carries out calculating process to described first kerb weight and described test parameter, obtains described first road
Running resistance.
8. device as claimed in claim 7, it is characterised in that described acquisition module is specifically additionally operable to:
Application preset formula carries out calculating process to described second kerb weight and described test parameter, obtains described second road
Running resistance.
9. device as claimed in claim 7, it is characterised in that described preset formula includes:
Wherein, f0For coefficient of rolling resistance constant, f1For rolling resistance
Power coefficient of first order, m is kerb weight, and v is the speed of tested vehicle, and g is acceleration of gravity, CdFor air resistance coefficient, A is windward side
Long-pending.
10. the device as described in claim 6-9 is arbitrary, it is characterised in that also include:
Module is set, for according to testing requirement adjusting ambient cabin temperature.
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