US 11,990,711 B2
Power plug for monitoring appliance performance
Peter Davies, Bath (GB); Conrad Spiteri, Bath (GB); and Steve Willoughby, Bath (GB)
Assigned to Green Running Limited, Bath (GB)
Filed by Green Running Limited, Bath (GB)
Filed on May 21, 2021, as Appl. No. 17/327,096.
Application 17/327,096 is a continuation of application No. 15/886,926, filed on Feb. 2, 2018, granted, now 11,018,461.
Claims priority of application No. 1701835 (GB), filed on Feb. 3, 2017.
Prior Publication US 2021/0288450 A1, Sep. 16, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H01R 13/66 (2006.01); G01R 21/133 (2006.01); G05B 15/02 (2006.01); H01R 13/70 (2006.01); H01R 13/717 (2006.01); H02J 3/00 (2006.01); H02J 3/14 (2006.01); H02J 13/00 (2006.01); H04L 12/10 (2006.01); G01D 4/00 (2006.01); H01R 24/28 (2011.01); H01R 103/00 (2006.01)
CPC H01R 13/6683 (2013.01) [G01R 21/133 (2013.01); G05B 15/02 (2013.01); H01R 13/6658 (2013.01); H01R 13/6691 (2013.01); H01R 13/70 (2013.01); H01R 13/7175 (2013.01); H02J 3/00 (2013.01); H02J 3/14 (2013.01); H02J 13/00002 (2020.01); H02J 13/00004 (2020.01); H02J 13/0005 (2020.01); H04L 12/10 (2013.01); G01D 4/002 (2013.01); H01R 24/28 (2013.01); H01R 2103/00 (2013.01); Y02B 70/30 (2013.01); Y02B 70/3225 (2013.01); Y02B 90/20 (2013.01); Y04S 20/00 (2013.01); Y04S 20/222 (2013.01); Y04S 20/242 (2013.01); Y04S 20/30 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A device for coupling an electrical appliance to an electrical power supply, comprising:
a current sensor, configured to measure electric current supplied through the device to the electrical appliance;
a voltage sensor, configured to measure voltage supplied through the device to the electrical appliance;
a processor configured to:
determine power consumption data from data relating to the electric current and voltage measurements made by the current and voltage sensors; and
monitor whether a fault has developed in the electrical appliance by comparing a performance of the appliance to historical data, wherein comparing the performance of the appliance to historical data comprises:
repeatedly generating a feature set using the power consumption data, by extracting a portion of the power consumption data at regular time intervals and storing the generated feature sets in a memory module, wherein the feature set comprises one or more of: information relating to a switch-on frequency of one or more components of the electrical appliance, information relating to a duration of switch on time of one or more components of the electrical appliance, information relating to an event during an operation cycle, amount of power consumed over a period of time, and amount of power consumed at regular intervals during a time period identified using an event, duration of an event, or time of occurrence of an event within an operation cycle; and
comparing each generated feature set to a benchmark value learned from one or more previously generated feature sets; and
a transmitter, configured to transmit information relating to the performance of the electrical appliance.