CN-121989737-A - Charging pile cluster power intelligent distribution method and device, electronic equipment and medium

Abstract

The application discloses a charging pile cluster power intelligent distribution method, a charging pile cluster power intelligent distribution device, electronic equipment and a charging pile cluster power intelligent distribution medium, and belongs to the technical field of charging. The method comprises the steps of obtaining the current electric quantity and the maximum capacity of a battery of a vehicle connected to a charging pile, calculating the priority weight of the vehicle according to the current electric quantity and the maximum capacity of the battery, determining the charging power distributed to the vehicle according to the priority weight and the maximum supply power of a charging pile cluster, and enabling the charging power distributed to the vehicle to be larger when the priority weight is higher. According to the application, the charging requirements of the vehicles can be accurately known by acquiring the current electric quantity and the maximum capacity of the vehicle battery, the priority weights of the vehicles can be calculated according to the data, the emergency degree of different vehicles on charging can be distinguished, and the charging power is distributed according to the actual requirements of the vehicles, so that the vehicles with high priority weights obtain more charging power, the reasonable distribution of the charging power is realized, and the energy utilization rate and the charging efficiency of the whole charging pile cluster are improved.

Inventors

• SUN SHAOTONG
• LI TENGHAO
• GUO YANPENG
• SONG SHAOHUA
• WANG LIZHAO

Assignees

• 北京智芯微电子科技有限公司

Dates

Publication Date

20260508

Application Date

20260203

Claims (18)

1. 1. The intelligent distribution method for the cluster power of the charging piles is characterized by comprising the following steps of: Acquiring the current electric quantity and the maximum capacity of a battery of a vehicle connected to a charging pile; calculating the priority weight of the vehicle according to the current electric quantity of the battery and the maximum capacity of the battery; and determining the charging power distributed to the vehicle according to the priority weight and the maximum supply power of the charging pile cluster, wherein the higher the priority weight is, the larger the charging power distributed to the vehicle is.
2. 2. The method of claim 1, wherein said calculating the priority weight of the vehicle from the current charge of the battery and the maximum capacity of the battery comprises: according to the formula: calculating the priority weight of the vehicle; Wherein, the Representing the priority weight of the vehicle, Indicating the current charge of the battery of the vehicle, Indicating the maximum capacity of the battery of the vehicle, Representing a target power threshold.
3. 3. The method of claim 1, wherein said calculating the priority weight of the vehicle from the current charge of the battery and the maximum capacity of the battery comprises: acquiring the estimated charging time length of the vehicle; And calculating the priority weight of the vehicle according to the estimated charging duration, the current electric quantity of the battery and the maximum capacity of the battery.
4. 4. The method of claim 3, wherein the calculating the priority weight of the vehicle based on the charge duration, the current charge level of the battery, and the maximum capacity of the battery comprises: according to the formula: calculating the priority weight of the vehicle; Wherein, the Representing the priority weight of the vehicle, Indicating the current charge of the battery of the vehicle, Indicating the maximum capacity of the battery of the vehicle, Indicating the predicted charge time period.
5. 5. The method of claim 1, wherein the determining the charging power allocated to the vehicle based on the priority weight and the maximum supply power of the cluster of charging piles comprises: according to the formula: determining a charging power allocated to the vehicle; Wherein, the Representation of allocation to vehicles Is used for the charging power of the battery, Indicating the number of vehicles involved in the distribution, Representing a vehicle Is set to be higher than the priority weight of the (c), Indicating the maximum supply power of the charging pile clusters.
6. 6. The method according to claim 1, wherein the method further comprises: And acquiring the current electric quantity of the battery, the maximum capacity of the battery and the estimated charging time of the vehicle through the communication interface of the charging pile, or acquiring the current electric quantity of the battery, the maximum capacity of the battery and the estimated charging time of the vehicle which are input by a user through an application program of the mobile device.
7. 7. The method according to claim 1, wherein the method further comprises: Acquiring the current charging power output to the vehicle by the charging pile; calculating a power adjustment amplitude according to a difference between the charging power allocated to the vehicle and the current charging power; And performing multiple adjustments according to the power adjustment amplitude so as to enable the charging power output by the charging pile to the vehicle to be transited from the current charging power to the charging power distributed to the vehicle.
8. 8. The method of claim 7, wherein calculating a power adjustment magnitude from a difference between the charge power allocated to the vehicle and the current charge power comprises: according to the formula: calculating a power adjustment amplitude; Wherein, the Representing the magnitude of the power adjustment, Representing charge power distributed to the vehicle The difference from the current charging power is that, Represents a scaling factor for determining a degree of response to the difference, Representing an integration time constant, for reducing steady state errors, And representing a differential time constant for predicting the trend of the difference in the future and inhibiting overshoot.
9. 9. The method of claim 8, wherein the method further comprises: Acquiring the battery temperature and the battery aging degree of the vehicle; the proportional coefficient and the differential time constant are adjusted according to the battery temperature, wherein the battery temperature is inversely related to the proportional coefficient, and the battery temperature is positively related to the differential time constant; And adjusting the integral time constant according to the battery aging degree, wherein the battery aging degree is positively correlated with the integral time constant.
10. 10. The method according to claim 1, wherein the method further comprises: Acquiring the current temperature of the charging pile; Determining the maximum allowable power of the charging pile at the current temperature according to the rated power of the charging pile and the current temperature; and determining the output power of the charging pile according to the maximum allowable power and the charging power distributed to the vehicle.
11. 11. The method of claim 10, wherein the determining the maximum allowable power of the charging stake at the current temperature based on the rated power of the charging stake and the current temperature comprises: according to the formula: Determining a maximum allowable power of the charging pile at the current temperature; Wherein, the Indicating the current temperature The maximum allowable power to be used in the power system, Indicating the rated power of the charging pile, Indicating a safe temperature threshold for the charging stake, Indicating the highest withstand temperature of the charging stake.
12. 12. Fill electric pile cluster power intelligent distribution device, characterized by, include: The acquisition module is used for acquiring the current electric quantity of the battery and the maximum capacity of the battery of the vehicle connected to the charging pile; the calculating module is used for calculating the priority weight of the vehicle according to the current electric quantity of the battery and the maximum capacity of the battery; And the determining module is used for determining the charging power distributed to the vehicle according to the priority weight and the maximum supply power of the charging pile cluster, wherein the higher the priority weight is, the larger the charging power distributed to the vehicle is.
13. 13. The apparatus of claim 12, wherein the computing module is further configured to: acquiring the estimated charging time length of the vehicle; And calculating the priority weight of the vehicle according to the estimated charging duration, the current electric quantity of the battery and the maximum capacity of the battery.
14. 14. The apparatus of claim 12, wherein the determining module is further configured to: according to the formula: determining a charging power allocated to the vehicle; Wherein, the Representation of allocation to vehicles Is used for the charging power of the battery, Indicating the number of vehicles involved in the distribution, Representing a vehicle Is set to be higher than the priority weight of the (c), Indicating the maximum supply power of the charging pile clusters.
15. 15. The apparatus of claim 12, wherein the apparatus further comprises: The system comprises a charging pile, a smooth transition module, a power adjustment amplitude calculation module and a power adjustment module, wherein the charging pile is used for acquiring the current charging power output to the vehicle by the charging pile, the power adjustment amplitude is calculated according to the difference value between the charging power distributed to the vehicle and the current charging power, and the charging power output to the vehicle by the charging pile is transited from the current charging power to the charging power distributed to the vehicle by the charging pile through multiple times of adjustment according to the power adjustment amplitude.
16. 16. The apparatus of claim 12, wherein the apparatus further comprises: The system comprises a charging pile, a temperature constraint optimization module, a maximum allowable power determination module and a power distribution module, wherein the charging pile is used for determining the current temperature of the charging pile, the maximum allowable power of the charging pile at the current temperature is determined according to the rated power of the charging pile and the current temperature, and the output power of the charging pile is determined according to the maximum allowable power and the charging power distributed to the vehicle.
17. 17. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any of claims 1-11 when the program is executed by the processor.
18. 18. A non-transitory computer readable storage medium, on which a computer program is stored, which when executed by a processor implements the method according to any of claims 1-11.

Description

Charging pile cluster power intelligent distribution method and device, electronic equipment and medium Technical Field The application belongs to the technical field of charging, and particularly relates to an intelligent distribution method and device for cluster power of charging piles, electronic equipment and a medium. Background With the development of new energy automobile markets, the requirements of charging pile equipment are rapidly increased. When a plurality of charging devices are charged simultaneously, the total power demand may exceed the maximum load of the charging pile, affecting the charging efficiency, so how to allocate limited power resources to different charging devices is a problem to be solved. In the related art, when the total power demand exceeds the maximum load of the charging pile, an average distribution manner is generally adopted, that is, the available charging power is evenly distributed to all charging devices. However, when the commercial facility load is higher and the number of connected charging devices is larger, the charging devices with lower electric quantity can only obtain a small amount of power which is the same as that of other devices, and cannot obtain enough charging power to quickly supplement electric quantity, so that the charging time is greatly prolonged, and the user experience is greatly influenced. For example, in a mall parking lot, a plurality of vehicles are charged simultaneously, vehicles with low electric quantity can only be charged slowly, and waiting time of a vehicle owner is too long. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a charging pile cluster power intelligent distribution method, a charging pile cluster power intelligent distribution device, electronic equipment and a medium, so that reasonable distribution of charging power is realized, and charging efficiency is improved. In a first aspect, the present application provides a method for intelligently distributing power of a charging pile cluster, including: Acquiring the current electric quantity and the maximum capacity of a battery of a vehicle connected to a charging pile; calculating the priority weight of the vehicle according to the current electric quantity of the battery and the maximum capacity of the battery; and determining the charging power distributed to the vehicle according to the priority weight and the maximum supply power of the charging pile cluster, wherein the higher the priority weight is, the larger the charging power distributed to the vehicle is. According to the intelligent distribution method of the power of the charging pile clusters, the current electric quantity and the maximum battery capacity of the battery of the vehicle connected to the charging piles are obtained, the priority weight of the vehicle is calculated according to the current electric quantity and the maximum battery capacity of the battery, the charging power distributed to the vehicle is determined according to the priority weight and the maximum supply power of the charging pile clusters, and the higher the priority weight is, the larger the charging power distributed to the vehicle is. According to the embodiment of the application, the charging requirements of the vehicles can be accurately known by acquiring the current electric quantity and the maximum capacity of the vehicle battery, the priority weights of the vehicles can be calculated according to the data, the emergency degree of different vehicles on charging can be distinguished, and the charging power is distributed according to the actual requirements of the vehicles, so that the vehicles with high priority weights obtain more charging power, the reasonable distribution of the charging power is realized, and the energy utilization rate and the charging efficiency of the whole charging pile cluster are improved. According to one embodiment of the present application, the calculating the priority weight of the vehicle according to the current charge of the battery and the maximum capacity of the battery includes: according to the formula: calculating the priority weight of the vehicle; Wherein, the Representing the priority weight of the vehicle,Indicating the current charge of the battery of the vehicle,Indicating the maximum capacity of the battery of the vehicle,Representing a target power threshold. In the embodiment, when the current electric quantity of the vehicle is smaller than the target electric quantity threshold value, the priority weight is set to be 1, so that the vehicle with smaller electric quantity preferentially obtains sufficient charging power, and when the current electric quantity of the vehicle is larger than the target electric quantity threshold value, the priority weight changes along with the relation between the electric quantity and the target value, and the like,