CN-121973663-A - Flexible power adjustment method, system, equipment, medium and product for charging pile

CN121973663ACN 121973663 ACN121973663 ACN 121973663ACN-121973663-A

Abstract

The invention relates to the technical field of charging piles and discloses a flexible power regulation method, a system, equipment, a medium and a product of the charging piles, wherein after the user identity information of a current automobile to be charged is verified, the method acquires charging load state data of a charging pile cluster and charging demand data of the current automobile to be charged, detects the condition of the residual charge of the current automobile to be charged in real time, and when the residual charge of the current automobile to be charged is not reduced below a preset residual charge threshold value, and adjusting the output power of the target charging pile by combining the charging load state data and the charging demand data, triggering a constant-current slow charging strategy when the residual charging quantity is reduced below the preset residual charging quantity threshold value, and reducing the output power of the target charging pile to perform constant-current charging on the vehicle, so that the charging demands of different user groups are met by using the charging load state data and the charging demand data.

Inventors

LIN DAIWEI
XU XINWEI
PENG JIANRONG
LU ZHIXIN
LIANG ZHIJIANG
ZHONG WENZHENG
WU BAITAO
LIU XIAN
FENG ZHANHAO
CHEN CONG
Li kangquan
CHEN ZENGGANG
LI HAOCHENG
PAN ZHENXING
GUO GUOWEI
ZHENG CHUTAO
CHEN FAWEN
LI WEI
Wei ben
HE SHAN

Assignees

广东电网有限责任公司佛山供电局

Dates

Publication Date: 20260505
Application Date: 20260407

Claims (10)

1. A flexible power adjustment method for a charging pile, comprising: determining a charging pile cluster to which a target charging pile belongs in response to a charging access request of a current automobile to be charged to the target charging pile, wherein the charging access request comprises user identity information; Verifying the user identity information, and if the user identity information is verified successfully, acquiring the charging load state data of the charging pile clusters and the charging demand data of the current automobile to be charged; judging whether the residual charge of the current automobile to be charged is lower than a preset residual charge threshold value or not; If the residual charge of the current automobile to be charged does not fall below the preset residual charge threshold, adjusting the output power of the target charging pile to a first target output power for charging according to the charging load state data and the charging demand data; And if the residual charge of the current automobile to be charged is reduced below the preset residual charge threshold, adjusting the output power of the target charging pile to be reduced from the first target output power to the second target output power for constant-current charging.
2. The charging pile flexible power adjustment method according to claim 1, characterized in that the verifying the user identity information comprises: Comparing the user identity information with first pre-stored white list user information of the charging pile cluster, if the user identity information is successfully compared with the first pre-stored white list user information of the charging pile cluster, verifying successfully, and updating the user identity information into first target white list user information, wherein the first target white list user information is white list user information with the highest verification success times for the user identity information in all charging pile clusters in a station area to which the charging pile cluster belongs; If the comparison of the user identity information and the first white list user information stored in the charging pile cluster in advance is failed, uploading the user identity information to a platform area node to which the charging pile cluster belongs, and comparing the user identity information with the second white list user information stored in the platform area node in a local manner; if the user identity information is successfully compared with the second white list user information locally stored by the platform region node, the verification is successful, and the user identity information is updated into second target white list user information, wherein the second target white list user information is white list user information with the highest verification success times for the user identity information in all the platform region nodes under the cloud of the platform region node; If the comparison of the user identity information and the second white list user information locally stored by the platform node fails, uploading the user identity information to a cloud end, and comparing the user identity information with third white list user information locally stored by the cloud end; If the user identity information is successfully compared with the third white list user information stored locally in the cloud, the verification is successful, the user identity information is issued to a charging pile cluster to which the target charging pile belongs, and the user identity information is updated to the white list user information of the charging pile cluster.
3. The flexible power adjustment method of the charging piles according to claim 1, wherein the charging load state data comprises the number of charging piles, the charging proportion of the charging piles and the charging power utilization rate of the charging piles, wherein the charging proportion of the charging piles is the ratio of the number of the charging piles, which are in operation, in the charging pile cluster to the total number of the charging piles, of the charging pile cluster, the charging power utilization rate is the ratio of the sum of the output power of all the charging piles, which are in operation, in the charging pile cluster to the maximum output power allowed by the charging pile cluster, and the charging load state data comprises the initial residual charge amount of the current automobile to be charged and the residual time required for the predicted full charge amount; The adjusting the output power of the target charging pile to the first target output power for charging according to the charging load state data and the charging demand data includes: Determining a first weight coefficient, a second weight coefficient, a third weight coefficient and a fourth weight coefficient which correspond to the charging proportion of the charging pile, the charging power utilization rate, the initial residual charge of the current automobile to be charged and the residual time required by the expected full charge; normalizing the charging proportion of the charging pile, the charging power utilization rate, the initial residual charge amount of the current automobile to be charged and the residual time required by the predicted full charge amount respectively; Respectively weighting and summing the normalized charging pile charging proportion, the normalized charging power utilization rate, the normalized initial residual charge of the current car to be charged and the normalized residual time required by the predicted full charge according to the first weight coefficient, the second weight coefficient, the third weight coefficient and the fourth weight coefficient, and determining the first target output power by combining the maximum charging power allowed by the target charging pile; and adjusting the output power of the target charging pile according to the first target output power, and charging the current automobile to be charged.
4. The flexible power adjustment method of a charging pile according to claim 3, wherein the second weight coefficient is larger than the first weight coefficient, the first weight coefficient is larger than the fourth weight coefficient, and the fourth weight coefficient is larger than the third weight coefficient, the method further comprising: and correcting each weight coefficient according to the charging proportion of the charging pile, the charging power utilization rate, the initial residual charge amount of the current automobile to be charged and the residual time required by the expected full charge amount by combining the preset upper and lower limits of the charging proportion of the charging pile, the upper and lower limits of the charging power utilization rate, the upper and lower limits of the initial residual charge amount and the upper and lower limits of the expected residual time.
5. The flexible power adjustment method for charging piles according to claim 3 or 4, further comprising inputting a current charging power utilization rate of a charging pile cluster to which the target charging pile belongs into a pre-trained utilization rate prediction model, and outputting a predicted charging power utilization rate of the charging pile cluster within a future preset time period; and adjusting the second weight coefficient based on the deviation of the predicted charging power utilization rate and the actual charging power utilization rate.
6. The charging pile flexible power adjustment method according to claim 1, further comprising: matching the vehicle category identifiers contained in the user identity information in a preset specific vehicle category identifier library, wherein the specific vehicle category identifier library contains a plurality of priority charging vehicle identifiers; And if the matching is successful, judging that the current automobile to be charged is a priority charging vehicle, adjusting the target charging pile to charge the priority charging vehicle with a preset maximum output power, and reducing the output power of all charging piles except the target charging pile in a charging pile cluster to which the target charging pile belongs.
7. A flexible power conditioning system for a charging pile, comprising: The charging system comprises a request response module, a charging pile group, a charging pile management module and a charging pile management module, wherein the request response module is used for responding to a charging access request of a current automobile to be charged to a target charging pile and determining the charging pile group to which the target charging pile belongs; The identity verification module is used for verifying the user identity information, and if verification is successful, acquiring the charging load state data of the charging pile cluster and the charging demand data of the current automobile to be charged; The electric quantity judging module is used for judging whether the residual charge quantity of the current automobile to be charged is lower than a preset residual charge quantity threshold value or not; the first power adjustment module is used for adjusting the output power of the target charging pile to a first target output power for charging according to the charging load state data and the charging demand data if the residual charge amount of the current automobile to be charged does not fall below the preset residual charge amount threshold value; And the second power adjustment module is used for adjusting the output power of the target charging pile to be reduced from the first target output power to the second target output power for constant-current charging if the residual charge amount of the current automobile to be charged is reduced below the preset residual charge amount threshold value.
8. An electronic device comprising a memory and a processor, wherein the memory stores a computer program which, when executed by the processor, causes the processor to perform the steps of the flexible power regulation method of a charging pile as claimed in any one of claims 1 to 6.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed, implements the steps of the flexible power regulation method of a charging pile according to any one of claims 1-6.
10. A computer program product, characterized in that the computer program product comprises a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, wherein the program instructions, when executed by a computer, cause the computer to perform the steps of the charging pile flexible power adjustment method according to any one of claims 1-6.

Description

Flexible power adjustment method, system, equipment, medium and product for charging pile Technical Field The invention relates to the technical field of charging piles, in particular to a flexible power adjusting method, a flexible power adjusting system, flexible power adjusting equipment, flexible power adjusting media and flexible power adjusting products. Background The charging power adjustment of the existing charging pile group is often simply adjusted up or down according to the charging power required by the electric automobile and/or the charging capacity available by the charging pile group, belongs to rough power adjustment, and often cannot realize quantifiable accurate power distribution adjustment according to different conditions. In addition, for the public charging pile, the user is often required to register and log in for verification before the charging pile is allowed to charge the electric automobile, namely, the user is required to be verified. However, the charging power adjustment of the existing charging pile is difficult to be suitable for the requirements of different user groups, so that the charging efficiency is difficult to meet the actual charging scene requirements, the charging experience difference of users is remarkable, and the adaptability is poor. Disclosure of Invention In view of the above, the present invention provides a method, a system, a device, a medium and a product for flexible power adjustment of a charging pile. The first aspect of the invention provides a flexible power adjustment method for a charging pile, comprising the following steps: determining a charging pile cluster to which a target charging pile belongs in response to a charging access request of a current automobile to be charged to the target charging pile, wherein the charging access request comprises user identity information; Verifying the user identity information, and if the user identity information is verified successfully, acquiring the charging load state data of the charging pile clusters and the charging demand data of the current automobile to be charged; judging whether the residual charge of the current automobile to be charged is lower than a preset residual charge threshold value or not; If the residual charge of the current automobile to be charged does not fall below the preset residual charge threshold, adjusting the output power of the target charging pile to a first target output power for charging according to the charging load state data and the charging demand data; And if the residual charge of the current automobile to be charged is reduced below the preset residual charge threshold, adjusting the output power of the target charging pile to be reduced from the first target output power to the second target output power for constant-current charging. In one embodiment, the verifying the user identity information includes: Comparing the user identity information with first pre-stored white list user information of the charging pile cluster, if the user identity information is successfully compared with the first pre-stored white list user information of the charging pile cluster, verifying successfully, and updating the user identity information into first target white list user information, wherein the first target white list user information is white list user information with the highest verification success times for the user identity information in all charging pile clusters in a station area to which the charging pile cluster belongs; If the comparison of the user identity information and the first white list user information stored in the charging pile cluster in advance is failed, uploading the user identity information to a platform area node to which the charging pile cluster belongs, and comparing the user identity information with the second white list user information stored in the platform area node in a local manner; if the user identity information is successfully compared with the second white list user information locally stored by the platform region node, the verification is successful, and the user identity information is updated into second target white list user information, wherein the second target white list user information is white list user information with the highest verification success times for the user identity information in all the platform region nodes under the cloud of the platform region node; If the comparison of the user identity information and the second white list user information locally stored by the platform node fails, uploading the user identity information to a cloud end, and comparing the user identity information with third white list user information locally stored by the cloud end; If the user identity information is successfully compared with the third white list user information stored locally in the cloud, the verification is successful, the user identity information is issued to a charging pile cluster to wh