Granted Patent B2

US 12,607,483 · App. 18/894,490 · Granted Apr 21, 2026

Inventor: Yunfeng Xu (Shenzhen, CN)

Assignee: Autel Digital Power Co., Ltd.

G01D4/02

Abstract

Claims (77)

1 . A method for controlling at least one terminal device of a plurality of terminal devices, comprising:

determining, by an electric meter system capable of detecting power of each of the plurality of terminal devices, power distribution data of the plurality of terminal devices, wherein the power distribution data comprises a total power of all sampling time points within a specified time duration, and the total power is a sum of the power of the plurality of terminal devices at each of the sampling time points;

determining, by the electric meter system, whether the power distribution data meets a power overload condition; and

in response to determining, by the electric meter system, that the power distribution data meets the power overload condition, controlling, by the electric meter system, the at least one terminal device according to a priority of the at least one terminal device of the plurality of terminal devices;

wherein determining whether the power distribution data meets the power overload condition comprises:

calculating an overload trigger ratio of the electric meter system according to the power distribution data; and

determining whether the power distribution data meets the power overload condition according to the overload trigger ratio and a pre-set overload ratio.

2 . The method according to claim 1 , wherein calculating the overload trigger ratio of the electric meter system according to the power distribution data comprises:

determining a target number of the electric meter system and a total number of the total power according to the power distribution data, wherein the target number is a sum of numbers of the total power greater than an overload power threshold; and

calculating the overload trigger ratio of the electric meter system according to the total number and the target number.

3 . The method according to claim 2 , before determining the power distribution data, further comprising:

acquiring, by the electric meter system, overload configuration information of the electric meter system, wherein the overload configuration information comprises a target overload level of the electric meter system;

selecting, by the electric meter system, a reference power threshold, a reference time duration and a reference overload ratio corresponding to the target overload level according to the overload configuration information; and

taking, by the electric meter system, the reference power threshold as the overload power threshold, taking the reference time duration as the specified time duration, and taking the reference overload ratio as the pre-set overload ratio.

4 . The method according to claim 1 , wherein determining whether the power distribution data meets the power overload condition according to the overload trigger ratio and a pre-set overload ratio comprises:

determining whether the overload trigger ratio of the power distribution data is greater than or equal to the pre-set overload ratio.

5 . The method according to claim 1 , wherein controlling the at least one terminal device according to the priority of the at least one terminal device comprises:

progressively turning off the at least one terminal device in a priority order of from low to high.

6 . The method according to claim 5 , wherein progressively turning off the at least one terminal device in the priority order of from low to high comprises:

searching for a terminal device with a lowest priority among all terminal devices currently in an operating state; and

turning off the terminal device with the lowest priority.

7 . The method according to claim 6 , after turning off the terminal device with the lowest priority, further comprising:

clearing, by the electric meter system, power distribution data corresponding to the specified time duration; and

proceeding, by the electric meter system, to determine next power distribution data for the electric meter system.

8 . The method according to claim 6 , after turning off the terminal device with the lowest priority, further comprising:

acquiring, by the electric meter system, short-time distribution data, wherein the short-time distribution data comprises a total power of each of the plurality of terminal devices at each of sampling time points within a target time duration, wherein the target time duration is less than the specified time duration;

determining, by the electric meter system, whether the short-time distribution data meets an override alarm condition;

in response to determining, by the electric meter system, that the short-time distribution data meets the override alarm condition, generating, by the electric meter system, override alarm information; and

in response to determining, by the electric meter system, that the short-time distribution data does not meet the override alarm condition, recording, by the electric meter system, the total power at each of the sampling time points within the target time duration.

9 . A non-transitory computer-readable storage medium, storing computer-executable instructions for causing an electronic device to perform acts comprising:

determining power distribution data of a plurality of terminal devices, wherein the power distribution data comprises a total power of all sampling time points within a specified time duration, and the total power is a sum of power of the plurality of terminal devices at each of the sampling time points;

determining whether the power distribution data meets a power overload condition; and

in response to determining that the power distribution data meets the power overload condition, controlling at least one terminal device of the plurality of terminal devices according to a priority of the at least one terminal device of the plurality of terminal devices;

wherein determining whether the power distribution data meets the power overload condition comprises:

calculating an overload trigger ratio of the electric meter system according to the power distribution data; and

determining whether the power distribution data meets the power overload condition according to the overload trigger ratio and a pre-set overload ratio.

10 . The non-transitory computer-readable storage medium according to claim 9 , wherein calculating the overload trigger ratio of the electric meter system according to the power distribution data comprises:

determining a target number of the electric meter system and a total number of the total power according to the power distribution data, wherein the target number is a sum of numbers of the total power greater than an overload power threshold; and

calculating the overload trigger ratio of the electric meter system according to the total number and the target number.

11 . The non-transitory computer-readable storage medium according to claim 9 , wherein determining whether the power distribution data meets the power overload condition according to the overload trigger ratio and a pre-set overload ratio comprises:

determining whether the overload trigger ratio of the power distribution data is greater than or equal to the pre-set overload ratio.

12 . The non-transitory computer-readable storage medium according to claim 11 , before determining the power distribution data, further comprising:

acquiring, by the electric meter system, overload configuration information of the electric meter system, wherein the overload configuration information comprises a target overload level of the electric meter system;

selecting, by the electric meter system, a reference power threshold, a reference time duration and a reference overload ratio corresponding to the target overload level according to the overload configuration information; and

taking, by the electric meter system, the reference power threshold as the overload power threshold, taking the reference time duration as the specified time duration, and taking the reference overload ratio as the pre-set overload ratio.

13 . A general meter device, comprising:

at least one processor; and

a memory in communication connection with the at least one processor; wherein

the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to cause the at least one processor to perform acts comprising:

determining power distribution data of a plurality of terminal devices, wherein the power distribution data comprises a total power of all sampling time points within a specified time duration, and the total power is a sum of power of the plurality of terminal devices at each of the sampling time points;

determining whether the power distribution data meets a power overload condition; and

in response to determining that the power distribution data meets the power overload condition, controlling at least one terminal device of the plurality of terminal devices according to a priority of the at least one terminal device of the plurality of terminal devices;

wherein determining whether the power distribution data meets the power overload condition comprises:

calculating an overload trigger ratio of the electric meter system according to the power distribution data; and

determining whether the power distribution data meets the power overload condition according to the overload trigger ratio and a pre-set overload ratio.

14 . The general meter device according to claim 13 , wherein calculating the overload trigger ratio of the electric meter system according to the power distribution data comprises:

determining a target number of the electric meter system and a total number of the total power according to the power distribution data, wherein the target number is a sum of numbers of the total power greater than an overload power threshold; and

calculating the overload trigger ratio of the electric meter system according to the total number and the target number.

15 . The general meter device according to claim 14 , before determining the power distribution data, further comprising:

acquiring, by the electric meter system, overload configuration information of the electric meter system, wherein the overload configuration information comprises a target overload level of the electric meter system;

selecting, by the electric meter system, a reference power threshold, a reference time duration and a reference overload ratio corresponding to the target overload level according to the overload configuration information; and

taking, by the electric meter system, the reference power threshold as the overload power threshold, taking the reference time duration as the specified time duration, and taking the reference overload ratio as the pre-set overload ratio.

16 . The general meter device according to claim 13 , wherein determining whether the power distribution data meets the power overload condition according to the overload trigger ratio and a pre-set overload ratio comprises:

determining whether the overload trigger ratio of the power distribution data is greater than or equal to the pre-set overload ratio.

17 . The general meter device according to claim 13 , wherein controlling the at least one terminal device according to the priority of the at least one terminal device comprises:

progressively turning off the at least one terminal device in a priority order of from low to high.

18 . The general meter device according to claim 17 , wherein progressively turning off the at least one terminal device in the priority order of from low to high comprises:

searching for a terminal device with a lowest priority among all terminal devices currently in an operating state; and

turning off the terminal device with the lowest priority.

19 . The general meter device according to claim 18 , after turning off the terminal device with the lowest priority, further comprising:

clearing, by the electric meter system, power distribution data corresponding to the specified time duration; and

proceeding, by the electric meter system, to determine next power distribution data for the electric meter system.

20 . The general meter device according to claim 18 , after turning off the terminal device with the lowest priority, further comprising:

acquiring, by the electric meter system, short-time distribution data, wherein the short-time distribution data comprises a total power of each of the plurality of terminal devices at each of sampling time points within a target time duration, wherein the target time duration is less than the specified time duration;

determining, by the electric meter system, whether the short-time distribution data meets an override alarm condition;

in response to determining, by the electric meter system, that the short-time distribution data meets the override alarm condition, generating, by the electric meter system, override alarm information; and

in response to determining, by the electric meter system, that the short-time distribution data does not meet the override alarm condition, recording, by the electric meter system, the total power at each of the sampling time points within the target time duration.

Assignments (1)

Priority Claims (1)

Continuity (2)

References Cited (9)