CN113435700A - Method for evaluating charging service level of public alternating current charging pile - Google Patents
Method for evaluating charging service level of public alternating current charging pile Download PDFInfo
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Abstract
The invention provides a public alternating current charging pile charging service level evaluation method, which comprises the following steps: s1, acquiring determining factors and data parameters influencing the charging service level of the public alternating-current charging pile; s2, establishing evaluation indexes for the decision factors and the data parameters acquired in the step S1; and S3, obtaining the overall evaluation of the charging service level of the public alternating-current charging pile based on the evaluation index established in the step S2. According to the method, the core factors which influence the charging service level of the public alternating-current pile are integrated according to the convenience of the charging station of the public alternating-current pile and the charging probability and the average charging total unit price of different electric vehicles completed by the public alternating-current pile within a period of time, a reasonable and effective evaluation value is finally obtained for the selection of the owner of the electric vehicle, the excellence and the elimination of the public alternating-current pile are continuously improved through the popularization of the evaluation method, the charging experience of the owner of the electric vehicle is improved, and the overall vehicle using experience of the electric vehicle is finally improved.
Description
Technical Field
The invention belongs to the technical field of electric automobile charging, and particularly relates to a charging service level evaluation method for a public alternating current charging pile.
Background
The charging pile is equipment for providing energy supply for the electric automobile, most of electric automobile owners need to use the public charging pile to charge the electric automobile, the public charging pile can be divided into a public direct current pile and a public alternating current pile according to different structures, the number of the public alternating current piles exceeds 46 thousands at present according to statistics, the public alternating current piles account for 60% of the total amount of the public charging pile, and the public charging pile can be continuously increased along with the increase of the quantity of the electric automobile.
The charging power distribution of the public alternating current piles is concentrated, more than 95% of the charging power of the public alternating current piles is 7kW and 3.5kW, the fact that the charging power of the public alternating current piles is far lower than that of the public direct current piles can be found, the electric quantity of a power battery of the electric automobile is generally within a range of 50-70 kWh at present, even if the 7kW public alternating current piles are used for charging, 7-10 hours are needed for full charging, the situation that the electric automobile owner uses the public alternating current piles is the situation that the electric automobile needs to be parked and stayed for a long time when driving to a place for shopping, entertainment, accommodation or working and the like, and therefore the electric automobile can be charged by the way when doing other things, and does not need to wait for overlong time for charging specially; in addition, the mass of the public alternating-current piles in the market is uneven, and some public alternating-current piles cannot be matched with part of electric automobiles, so that charging cannot be completed smoothly; finally, it is clear that the charging experience of the owner of the electric vehicle is affected by the charging experience of the alternating current charging pile due to the long charging time and the charge generated during the charging process including the charging service and the parking charge. At present, a set of feasible method for developing evaluation aiming at a public alternating-current pile does not exist, the charging service level of the public alternating-current pile is qualitatively and quantitatively analyzed and evaluated, the public alternating-current pile which is better in charging experience cannot be selected by an electric vehicle owner, the improvement of the overall service level of the public alternating-current pile cannot be promoted, the charging experience of the electric vehicle owner cannot be effectively improved, the popularization of electric vehicles in China is influenced, and therefore a method for evaluating the charging service level of the public alternating-current pile is urgently needed.
Disclosure of Invention
In view of the above, the invention aims to provide a method for evaluating the charging service level of a public alternating-current charging pile, so as to solve the problem that the charging experience of an electric vehicle owner is influenced because the charging service level of the public alternating-current charging pile cannot be qualitatively and quantitatively analyzed and evaluated at present.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a public alternating current charging pile charging service level evaluation method comprises the following steps: s1, acquiring determining factors and data parameters influencing the charging service level of the public alternating-current charging pile;
s2, establishing evaluation indexes for the decision factors and the data parameters acquired in the step S1;
and S3, obtaining the overall evaluation of the charging service level of the public alternating-current charging pile based on the evaluation index established in the step S2.
Further, the decision factor acquired in step S1 includes a charging station convenience evaluation decision factor;
the data parameters acquired in step S1 include a charging matching degree evaluation data parameter and a charging overall cost evaluation data parameter.
Further, in step S1, the charging site convenience evaluation decision factor includes the type of parking lot where the ac charging post is located;
the charging matching degree evaluation data parameters comprise the number of vehicles which are physically connected with the charging interface and the number of vehicles which are finally charged;
the charging overall cost evaluation data parameters comprise charging cost, parking cost and charging electric quantity.
Further, the evaluation index established in step S2 includes:
establishing a charging station convenience evaluation index for the charging station convenience evaluation decision factor obtained in the step S1, wherein the charging station convenience evaluation index is that charging station convenience evaluation scores are divided for different types of parking stations where the public alternating-current charging piles are located according to a charging station convenience parameter C scoring standard, and the larger the value of the charging station convenience evaluation score is, the better the convenience of the charging station is, and the higher the daily parking time and probability of the vehicle owner are;
establishing a charging matching degree evaluation index for the charging matching degree evaluation data parameter piece obtained in the step S1, wherein the charging matching degree evaluation index refers to the fact that the public alternating-current pile can be charged and matched with different electric vehicles, and finally the charging probability S is completed, and the specific formula is as follows:
m represents M electric vehicles which are physically plugged with a charging interface of the public alternating-current charging pile, N represents N electric vehicles which are matched with a control guide circuit of the public alternating-current charging pile, and the higher the numerical value of S is, the better the charging matching degree of the public alternating-current charging pile is;
establishing a charging overall cost evaluation index for the charging overall cost evaluation data parameters acquired in the step S1, wherein the charging overall cost evaluation index specifically refers to an average charging total unit price X of the electric vehicle using the public alternating-current pile, and the specific formula is as follows:
y represents charging cost, Z represents parking cost, V represents charging capacity, N represents N electric vehicles charged by using the public alternating current charging pile, and the larger the X value is, the higher the charging overall cost is.
Further, the specific formula for the overall evaluation of the charging service level of the ac charging pile in step S3 is as follows:
A＝C*S÷X
the higher the value of a, the higher the charge service level of the ac post.
Compared with the prior art, the method for evaluating the charging service level of the public alternating-current charging pile has the following beneficial effects:
according to the public alternating-current charging pile charging service level evaluation method, core factors influencing the charging service level of the public alternating-current pile are integrated according to the convenience of a charging site of the public alternating-current pile, the probability of the public alternating-current pile completing charging for different electric vehicles within a period of time and the average charging total unit price, a reasonable and effective evaluation value is obtained finally and is used for selecting an electric vehicle owner, the excellence of the public alternating-current pile is improved continuously through popularization of the evaluation method, the charging experience of the electric vehicle owner is improved, and the overall vehicle using experience of the electric vehicle is improved finally.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a method for evaluating a charging service level of a public alternating-current charging pile according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, a method for evaluating a charging service level of a public ac charging pile includes the following steps: s1, acquiring determining factors and data parameters influencing the charging service level of the public alternating-current charging pile;
s2, establishing evaluation indexes for the decision factors and the data parameters acquired in the step S1;
and S3, obtaining the overall evaluation of the charging service level of the public alternating-current charging pile based on the evaluation index established in the step S2.
The decision factor acquired in step S1 includes a charging station convenience evaluation decision factor;
the data parameters acquired in step S1 include a charging matching degree evaluation data parameter and a charging overall cost evaluation data parameter.
In step S1, the charging site convenience evaluation decision factor includes the type of parking lot where the ac charging post is located;
the charging matching degree evaluation data parameters comprise the number of vehicles which are physically connected with the charging interface and the number of vehicles which are finally charged;
the charging overall cost evaluation data parameters comprise charging cost, parking cost and charging electric quantity.
The evaluation index established in step S2 includes:
establishing a charging station convenience evaluation index for the charging station convenience evaluation decision factor obtained in the step S1, wherein the station where the public communication pile is located refers to whether the station is installed in places such as business surpasses, entertainment centers, parks, hotels, hospitals, residential quarters or parking lots in companies and the like which can provide production and life for car owners to purchase, entertain, lodge or work and the like so as to support the car owners to complete vehicle charging incidentally during normal parking, the charging station convenience parameter C gives different scores according to the average daily parking duration and probability of the car owners in different types of parking lots, the scores are divided into four grades, the scores are respectively 1, 2, 3 and 4, the parking lots with different scores are divided into a table 1, and the charging station convenience evaluation index divides the types of the parking stations where different public communication charging piles are located into charging station convenience evaluation scores according to the rating standard of the charging station convenience parameter C, the larger the evaluation score value of the convenience of the charging station is, the better the convenience of the charging station is, and the higher the daily parking time and probability of the vehicle owner are; table 1:
establishing a charging matching degree evaluation index for the charging matching degree evaluation data parameter piece obtained in the step S1, wherein the charging matching degree evaluation index refers to the fact that the public alternating-current pile can be charged and matched with different electric vehicles, and finally the charging probability S is completed, and the specific formula is as follows:
m represents M electric vehicles which are physically plugged with a charging interface of the public alternating-current charging pile, N represents N electric vehicles which are matched with a control guide circuit of the public alternating-current charging pile, and the higher the numerical value of S is, the better the charging matching degree of the public alternating-current charging pile is;
establishing a charging overall cost evaluation index for the charging overall cost evaluation data parameters acquired in the step S1, wherein the charging overall cost evaluation index specifically refers to an average charging total unit price X (unit:/kWh) of the electric vehicle using the public alternating current pile, and the specific formula is as follows:
y represents charging cost (unit:), Z represents parking cost (unit:), V represents charging capacity (unit: kWh), N represents N electric vehicles charged by using the public alternating-current charging pile, and the larger the X value is, the higher the charging total cost is.
The specific formula for the overall evaluation of the charging service level of the public alternating-current charging pile in the step S3 is as follows:
A＝C*S÷X
the higher the value of a, the higher the charge service level of the ac post.
In case one, the public alternating-current pile is built in a business super parking lot, 22 vehicles try to establish charging communication within one week, 21 vehicles successfully complete charging, and the final charging completion probability is 0.95. The sum of the 21 vehicle charging fees is 440, the sum of the parking fees is 200, the sum of the charging electric quantity is 400kwh, and the average charging unit price is 1.6 rmb/kwh. The overall rating for case-ac pole charging service level is 1.79.
Case two, the public alternating-current pile is built in a hospital parking lot, and 28 vehicles try to establish charging communication within one week, wherein 25 vehicles smoothly complete charging, and the probability of completing charging service is 0.89. The sum of the charging cost of the 25 vehicles is 400, the sum of the parking cost is 300, the sum of the charging electric quantity is 350kwh, and the average charging unit price is 2.0 rmb/kwh. The overall rating for the charging service level for case two ac pole was 0.89.
After the method for integrally evaluating the charging service level of the public alternating-current pile based on the charging matching degree, the charging station convenience and the charging overall cost is applied, the charging service level of the public alternating-current pile is higher than that of the public alternating-current pile in the scheme II in a qualitative and quantitative manner, as shown in the table 2:
| evaluation angle | Specific items | Scheme one | Scheme two |
| Charging site convenience | Charging site convenience parameter | 3 | 2 |
| Degree of charge matching | Probability of final completion of charging | 0.95 | 0.89 |
| Charging unitCost of | Average total unit price of charging | 1.6 | 2 |
| Overall charging service level | Overall evaluation of public alternating current pile charging service level | 1.79 | 0.89 |
From the results of the table, it can be seen that the charging matching degree of the first public communication pile is better, the convenience of the charging station and the overall charging cost are more advantageous, and the better performance of the first public communication pile compared with the second public communication pile can be realized from the overall evaluation value. The electric vehicle owner can select the public alternating-current pile with better overall charging service level to charge the electric vehicle according to the overall evaluation value of the charging service level of the public alternating-current pile, and the charging operator is also facilitated to better plan the construction site of the future public alternating-current pile.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A public alternating current charging pile charging service level evaluation method is characterized by comprising the following steps: s1, acquiring determining factors and data parameters influencing the charging service level of the public alternating-current charging pile;
s2, establishing evaluation indexes for the decision factors and the data parameters acquired in the step S1;
and S3, obtaining the overall evaluation of the charging service level of the public alternating-current charging pile based on the evaluation index established in the step S2.
2. The method of claim 1, wherein the method comprises the following steps: the decision factor acquired in step S1 includes a charging station convenience evaluation decision factor;
the data parameters acquired in step S1 include a charging matching degree evaluation data parameter and a charging overall cost evaluation data parameter.
3. The method of claim 2, wherein the method comprises the following steps: in step S1, the charging site convenience evaluation decision factor includes the type of parking lot where the ac charging post is located;
the charging matching degree evaluation data parameters comprise the number of vehicles which are physically connected with the charging interface and the number of vehicles which are finally charged;
the charging overall cost evaluation data parameters comprise charging cost, parking cost and charging electric quantity.
4. The method of claim 3, wherein the method comprises the following steps: the evaluation index established in step S2 includes:
establishing a charging station convenience evaluation index for the charging station convenience evaluation decision factor obtained in the step S1, wherein the charging station convenience evaluation index is that charging station convenience evaluation scores are divided for different types of parking stations where the public alternating-current charging piles are located according to a charging station convenience parameter C scoring standard, and the larger the value of the charging station convenience evaluation score is, the better the convenience of the charging station is, and the higher the daily parking time and probability of the vehicle owner are;
establishing a charging matching degree evaluation index for the charging matching degree evaluation data parameter piece obtained in the step S1, wherein the charging matching degree evaluation index refers to the fact that the public alternating-current pile can be charged and matched with different electric vehicles, and finally the charging probability S is completed, and the specific formula is as follows:
m represents M electric vehicles which are physically plugged with a charging interface of the public alternating-current charging pile, N represents N electric vehicles which are matched with a control guide circuit of the public alternating-current charging pile, and the higher the numerical value of S is, the better the charging matching degree of the public alternating-current charging pile is;
establishing a charging overall cost evaluation index for the charging overall cost evaluation data parameters acquired in the step S1, wherein the charging overall cost evaluation index specifically refers to an average charging total unit price X of the electric vehicle using the public alternating-current pile, and the specific formula is as follows:
y represents charging cost, Z represents parking cost, V represents charging capacity, N represents N electric vehicles charged by using the public alternating current charging pile, and the larger the X value is, the higher the charging overall cost is.
5. The method of claim 4, wherein the method comprises the following steps: the specific formula for the overall evaluation of the charging service level of the public alternating-current charging pile in the step S3 is as follows:
A＝C*S÷X
the higher the value of a, the higher the charge service level of the ac post.
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Application publication date: 20210924 |