METHOD, APPARATUS, AND SYSTEM FOR COUNTING ELECTRICITY CONSUMPTION

• US 20150346250A1
• Filed: 12/30/2014
• Published: 12/03/2015
• Est. Priority Date: 05/30/2014
• Status: Active Grant

• Current Assignee: Xiaomi Inc. (Xiaomi Corp.)
• Original Assignee: Xiaomi Inc. (Xiaomi Corp.)
• Inventors: LIU, Guoming
• Granted Patent: US 10,598,707 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G01D 1/08 over fixed periods of time
• CPC Class Codes: G01D 4/002 Remote reading of utility meters
• CPC Class Codes: G01R 21/1335 Tariff switching circuits
• CPC Class Codes: G05B 15/02 electric
• CPC Class Codes: Y02B 70/30 Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
• CPC Class Codes: Y02B 90/20 Smart grids as enabling technology in buildings sector smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00
• CPC Class Codes: Y04S 20/242 Home appliances
• CPC Class Codes: Y04S 20/30 Smart metering, e.g. specially adapted for remote reading

Abstract

A method for counting electricity consumption includes obtaining a plurality of groups of electricity parameters. Each of the groups of electricity parameters includes a reading of a smart electricity meter and corresponding statuses of smart switches connected to the smart electricity meter. The method also includes determining an average power of at least one of the smart switches according to at least one of the plurality of groups of electricity parameters, determining a working period of the at least one of the smart switches within a set counting period, and determining an electricity consumption of the at least one of the smart switches in the counting period according to the working period and the average power of the at least one of the smart switches.

Claims

1. A method for counting electricity consumption, comprising:

obtaining a plurality of groups of electricity parameters, each of the groups of electricity parameters including a reading of a smart electricity meter and corresponding statuses of smart switches connected to the smart electricity meter;

determining an average power of at least one of the smart switches according to at least one of the plurality of groups of electricity parameters;

determining a working period of the at least one of the smart switches within a set counting period; and

determining an electricity consumption of the at least one of the smart switches in the counting period according to the working period and the average power of the at least one of the smart switches.

2. The method according to claim 1, wherein determining the average power of the at least one of the smart switches includes:

selecting at least two first groups of electricity parameters from the plurality of groups of electricity parameters, the at least two first groups of electricity parameters being sampled successively, and the status of each of the smart switches remaining unchanged in the first groups of electricity parameters;

determining a first overall average power according to the readings of the smart electricity meter in the first groups of electricity parameters;

selecting at least two second groups of electricity parameters from the plurality of groups of electricity parameters, the at least two second groups of electricity parameters being sampled successively, the status of each of the smart switches remaining unchanged in the second groups of electricity parameters, and the status of the at least one of the smart switches in the second groups of electricity parameters being different from the status of the at least one of the smart switches in the first groups of electricity parameters;

determining a second overall average power according to the readings of the smart electricity meter in the second groups of electricity parameters; and

determining the average power of the at least one of the smart switches according to the first overall average power and the second overall average power.

3. The method according to claim 1, wherein the obtaining the plurality of groups of electricity parameters includes:

sampling readings of the smart electricity meter at a set sampling time interval in a first sampling time period to obtain a first reading while keeping the statuses of the smart switches unchanged in the first sampling time period; and

sampling readings of the smart electricity meter at the set sampling time interval in a second sampling time period to obtain a second reading while keeping the statuses of the smart switches unchanged in the second sampling time period,

wherein the status of the at least one of the smart switches in the second sampling time period is different from the status of the at least one of the smart switches in the first sampling time period.

4. The method according to claim 3, wherein determining the average power includes:

determining a first overall average power according to the first reading and the first sampling time period;

determining a second overall average power according to the second reading and the second sampling time period; and

determining the average power of the at least one of the smart switches according to the first overall average power and the second overall average power.

5. The method according to claim 1, wherein determining the working period of the at least one of the smart switches includes:

detecting whether a turning-on instruction for turning on the at least one of the smart switches is received;

turning on the at least one of the smart switches when the turning-on instruction is detected;

starting timing of a timer corresponding to the at least one of the smart switches;

detecting whether a turning-off instruction for turning off the at least one of the smart switches is received;

turning off the at least one of the smart switches when the turning-off instruction is detected;

stopping timing of the timer; and

determining whether the counting period has ended, and if so;

taking a reading of the timer; and

determining the working period of the at least one of the smart switches according to the reading of the timer.

6. An apparatus for counting electricity consumption, comprising:

a processor; and

a non-transitory computer-readable storage medium storing instructions that, when executed by the processor, cause the processor to;

obtain a plurality of groups of electricity parameters, each of the groups of electricity parameters including a reading of a smart electricity meter and corresponding statuses of smart switches connected to the smart electricity meter;

determine an average power of at least one of the smart switches according to at least one of the plurality of groups of electricity parameters;

determine a working period of the at least one of the smart switches within a set counting period; and

determine an electricity consumption of the at least one of the smart switches in the counting period according to the working period and the average power of the at least one of the smart switches.

7. The apparatus according to claim 6, wherein the instructions causing the processor to determine the average power include instructions causing the processor to:

select at least two first groups of electricity parameters from the plurality of groups of electricity parameters, the at least two first groups of electricity parameters being sampled successively, and the status of each of the smart switches remaining unchanged in the first groups of electricity parameters;

determine a first overall average power according to the readings of the smart electricity meter in the first groups of electricity parameters;

select at least two second groups of electricity parameters from the plurality of groups of electricity parameters, the at least two second groups of electricity parameters being sampled successively, the status of each of the smart switches remaining unchanged in the second groups of electricity parameters, and the status of the at least one of the smart switches in the second groups of electricity parameters is different from the status of the at least one of the smart switches in the first groups of electricity parameters;

determine a second overall average power according to the readings of the smart electricity meter in the second groups of electricity parameters; and

determine the average power of the at least one of the smart switches according to the first overall average power and the second overall average power.

8. The apparatus according to claim 6, wherein the instructions causing the processor to obtain the plurality of groups of electricity parameters include instructions causing the processor to:

sample readings of the smart electricity meter at a set sampling time interval in a first sampling time period to obtain a first reading while keeping the statuses of the smart switches unchanged in the first sampling time period; and

sample readings of the smart electricity meter at the set sampling time interval in a second sampling time period to obtain a second reading while keeping the statuses of the smart switches unchanged in the second sampling time period,

wherein the status of the at least one of the smart switches in the second sampling time period is different from the status of the at least one of the smart switches in the first sampling time period.

9. The apparatus according to claim 8, wherein the instructions causing the processor to determine the average power include instructions causing the processor to:

determine a first overall average power according to the first reading and the first sampling time period;

determine a second overall average power according to the second reading and the second sampling time period; and

determine the average power of the at least one of the smart switches according to the first overall average power and the second overall average power.

10. The apparatus according to claim 6, wherein the instructions causing the processor to determine the working period include instructions causing the processor to:

detect whether a turning-on instruction for turning on the at least one of the smart switches is received;

turn on the at least one of the smart switches when the turning-on instruction is detected;

start timing of a timer corresponding to the at least one of the smart switches;

detect whether a turning-off instruction for turning off the at least one of the smart switches is received;

turn off the at least one of the smart switches when the turning-off instruction is detected;

stop timing of the timer; and

determine whether the counting period has ended, and if so;

take a reading of the timer; and

determine the working period of the at least one of the smart switches according to the reading of the timer.

11. A non-transitory computer-readable storage medium storing instructions that, when executed by one or more processors, cause the one or more processors to:

obtain a plurality of groups of electricity parameters, each of the groups of electricity parameters including a reading of a smart electricity meter and corresponding statuses of smart switches connected to the smart electricity meter;

determine an average power of at least one of the smart switches according to at least one of the plurality of groups of electricity parameters;

determine a working period of the at least one of the smart switches within a set counting period; and

determine an electricity consumption of the at least one of the smart switches in the counting period according to the working period and the average power of the at least one of the smart switches.