WO2016197229A1 - Procédé et système de surveillance du fonctionnement d'un appareil électroménager - Google Patents

Procédé et système de surveillance du fonctionnement d'un appareil électroménager Download PDF

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Publication number
WO2016197229A1
WO2016197229A1 PCT/CA2015/050541 CA2015050541W WO2016197229A1 WO 2016197229 A1 WO2016197229 A1 WO 2016197229A1 CA 2015050541 W CA2015050541 W CA 2015050541W WO 2016197229 A1 WO2016197229 A1 WO 2016197229A1
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WO
WIPO (PCT)
Prior art keywords
wireless signal
setting
electric range
evse
alarm
Prior art date
Application number
PCT/CA2015/050541
Other languages
English (en)
Inventor
Chunsheng LIN
Original Assignee
Lin Chunsheng
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lin Chunsheng filed Critical Lin Chunsheng
Priority to PCT/CA2015/050541 priority Critical patent/WO2016197229A1/fr
Priority to CA2988611A priority patent/CA2988611C/fr
Publication of WO2016197229A1 publication Critical patent/WO2016197229A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/12—The local stationary network supplying a household or a building
    • H02J2310/14—The load or loads being home appliances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—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
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12—Remote or cooperative charging

Definitions

  • the present invention relates to household safety, and more particularly safety in the use of a household appliance such as an electric range.
  • a system for preventing simultaneous operation of a household appliance and charging of an electric vehicle in a single dwelling comprising: a current transformer inductively coupled to an ungrounded conductor supplying electrical power to the household appliance; a wireless signal transmitter driven solely by power drawn from the current transformer, the wireless signal transmitter configured to emit a wireless signal when current drawn by the household appliance is greater than a predetermined threshold level; an electric vehicle supply equipment (EVSE) providing a power supply circuit for charging the electric vehicle, the EVSE connected to a power line of the single dwelling; and the EVSE comprising a wireless signal receiver configured to actuate a binary on/off control of current flow through the EVSE.
  • a current transformer inductively coupled to an ungrounded conductor supplying electrical power to the household appliance
  • a wireless signal transmitter driven solely by power drawn from the current transformer, the wireless signal transmitter configured to emit a wireless signal when current drawn by the household appliance is greater than a predetermined threshold level
  • an electric vehicle supply equipment (EVSE) providing a power supply circuit for charging the
  • an alarm system for an electric range comprising: a current transformer inductively coupled to an ungrounded conductor supplying electrical power to the electric range; a wireless signal transmitter driven solely by power drawn from the current transformer, the wireless signal transmitter configured to emit a wireless signal when current drawn by the electric range is greater than a predetermined threshold level; and a remote alarm comprising a power source supplying a wireless signal receiver configured to receive the wireless signal and actuate an alarm indicator.
  • Figure 1 is a first schematic block diagram of a system to manage electric vehicle charging and operation of an electric range and including an electric range alarm;
  • Figure 2 is a schematic block diagram (A) and a plan diagram (B) of an electric range monitor shown in Figure 1 ;
  • Figure 3 A is a variant of the schematic block diagram shown in Figure 1, in that the electric range alarm is excluded, and Figure 3B is a plan diagram of an electric load monitor shown in Figure 3 A;
  • FIG 4 is another variant of the schematic block diagram shown in Figure 1, in that electric vehicle charging is excluded;
  • Figure 5 is a second schematic block diagram of a system to manage electric vehicle charging and operation of an electric range and including an electric range alarm;
  • Figure 6 is a flow diagram of steps to manage electric vehicle charging and operation of an electric range and including an electric range alarm;
  • Figure 7 is a variant of the schematic block diagram shown in Figure 5;
  • Figure 8 is a further variant of schematic block diagram shown in Figure 4, modified to show a battery power source for the electric range alarm;
  • Figure 9 is a schematic block diagram of a system including electrical adaptors to manage electric vehicle charging and operation of an electric range;
  • Figure 10 is a schematic block diagram of a system including an electrical adaptor that provides an alarm for an electric range.
  • FIG. 1 illustrates an electric vehicle charging system that is configured to interrupt simultaneous operation of a Level 2 Electric Vehicle Supply Equipment (EVSE) with an electric range in a single residential dwelling (100) according to one illustrative embodiment. Additionally, the system includes an electric range alarm. Schematic electrical wiring of the system shows a main feeder power line (208/240 VAC) (102) connected to the main circuit breaker (106) in the panelboard (105) having one or more branch circuit breakers (108, 110, 112 and 115) housed in the panelboard (105) and connected to main circuit breaker (106).
  • a main feeder power line 208/240 VAC
  • branch circuit breakers 108, 110, 112 and 115
  • the electrical loads in single dwelling (100) include the electrical load (108D) communicative with branch circuit breaker (108) through electrical connection to electrical receptacle (108B) and branch circuit (108A), electrical load (HOD) communicative with branch circuit breaker (110) through electrical connection to electrical receptacle (HOB) and branch circuit (110A), electric range alarm (120) communicative with branch circuit breaker (115) through electrical connection to electrical receptacle (115B) and branch circuit (115 A), electric range (112D) communicative with branch circuit breaker (112) through electrical connection to electrical receptacle (112B) and branch circuit (112A), and on board battery charger (118B) of electric vehicle (118) being supplied with electricity via Level 2 Electric Vehicle Supply Equipment (EVSE) (116) communicative with branch circuit breaker (112) through electrical connection to electrical receptacle (112F) and branch circuit (112E).
  • EVSE Level 2 Electric Vehicle Supply Equipment
  • the electrical load (108D) is plugged into the electrical receptacle (108B) via the electrical cord (108C).
  • the electrical load (HOD) is plugged into the electrical receptacle (HOB) via the electrical cord (HOC).
  • the electric range alarm (120) is plugged into the electrical receptacle (115B) directly, in that male prongs for coupling to an electric receptacle extend rigidly from an exterior surface of a housing of the electric range alarm (120) without an intermediate flexible cord.
  • the electrical receptacle (108B) is coupled with the branch circuit breaker (108) by the branch circuit (108A).
  • the electrical receptacle (HOB) is coupled with the branch circuit breaker (110) by the branch circuit (110A).
  • the electrical receptacle (115B) is coupled with the branch circuit breaker (115) by the branch circuit (115 A).
  • the electric range (112D) is plugged into the electrical receptacle (112B) - dedicated for the electric range (112D) - via the electrical cord (112C).
  • the electrical receptacle (112B) is coupled with the branch circuit breaker (112) by the branch circuit (112A).
  • Level 2 EVSE (116) is plugged into the electrical receptacle (112F) - dedicated for the Level 2 EVSE (116) - via the electrical cord (116A).
  • the electrical receptacle (112F) is coupled with the branch circuit breaker (112) by the branch circuit (112E)
  • the system for interrupting simultaneous operation of the Level 2 EVSE (116) with the electric range (112D), and additionally including the electric range alarm (120) comprises an electric range monitor (200) placed inside the panelboard (105) and communicative with branch circuit (112A).
  • the electric range monitor (200) comprises a current transformer (202C).
  • an ungrounded conductor (212A) of branch circuit (112A) is passed through a channel defined by magnetic core (202B) of current transformer (202C) of the electric range monitor (200).
  • the power drawn by the current transformer (202C) is sufficient to supply electrical components of the electric range monitor (200) without need for any additional electrical connection to supply electrical components such as a wireless signal transmitter and a light indicator.
  • inductive coupling electrical power drawn from a secondary winding circuit (202) of the current transformer (202C) is sufficient to drive an encoder radio frequency (RF) transmitter (210) while the electric range (112D) is being used.
  • RF radio frequency
  • Level 2 EVSE (116) is plugged into the electrical receptacle (112F) dedicated for Level 2 EVSE (116) by the electrical cord (116A).
  • the electrical receptacle (112F) for Level 2 EVSE (116) is supplied - by electrically communicative connection through branch circuit (112E) - from the same branch circuit breaker (112) which supplies the electrical receptacle (112B) dedicated for electric range (112D).
  • the batteries (118C) of the electric vehicle (118) shall be charged by the on board battery charger (118B) of the electric vehicle (118) via electric vehicle charging inlet (118A) by conductive coupling with the electric vehicle charging connector (116C) to be supplied electricity from Level 2 EVSE (116) via charging cable (116H) .
  • the alternating current flowing through the ungrounded conductor (212A) of branch circuit (112A) to electric range (112D) forms an inductive coupling with the current transformer (202C) that inductively transfers electricity to the secondary winding circuit (202) of current transformer (202C) of electric range monitor (200) while electric range (112D) is being used.
  • the alternating current in the secondary winding circuit (202) of current transformer (202C) flows through the resistor (202A) and communicates the AC voltage to rectifier circuit (205).
  • the rectifier circuit (205) generates DC voltage and the DC voltage converted by rectifier circuit (205) is regulated by DC constant voltage element (206) and drives the encoder RF transmitter (210) to wirelessly send an RF signal (200 A) when the electric range (112D) is being used.
  • DC voltage from DC constant voltage element (206) is supplied to electric range indicator (208) turning indicator (208) on to indicate that the electric range (112D) is being used.
  • the RF receiver decoder (116F) for Level 2 EVSE (116) receives the RF signal (200A) and communicates the signal of electric range being used to a simultaneous operation interruption circuit (116G).
  • the simultaneous operation interruption circuit (116G) communicates the interruption signal to a control circuit (116E) which actuates a charging contactor (116B) to be in an open position thereby preventing simultaneous operation of the Level 2 EVSE (116) while the electric range (112D) is in use. No electricity is drawn from the branch circuit (112E) to the Level 2 EVSE (116) while the electric range (112D) is being used.
  • the charge circuit interrupting device and pilot circuit (116D) is a personnel protection system for the Level 2 EVSE (116) that reduces the risk of electric shock and communicates with on board battery charger (118B).
  • An RF receiver decoder (120B) of electric range alarm (120) also receives the RF signal (200A) and outputs the signal of the electric range being used to a preset timer (120C) which begins a countdown.
  • a preset timer 120C
  • an alert and/or alarm signals (120D) of the electric range alarm (120) will activate as a sound and/or light alert/alarm.
  • the Level 2 EVSE (116) supplies electricity to the on board battery charger (118B) normally according to a predetermined operation protocol if no RF signal (200A) is sent out from electric range monitor (200). Additionally, the electric range alarm (120) remains silent in that no alert/alarm is activated when the electric range (112D) is not being used.
  • FIG. 3 A illustrates an alternative system for interrupting simultaneous operation of a Level 2 EVSE with an electrical load in a single dwelling (100).
  • the main feeder power line (208/240VAC) (102) is connected to the main circuit breaker (106) in the panelboard (105) having one or more branch circuit breakers (108, 110, 112 and 115) connected thereto.
  • An electrical load (312D) is plugged into the electrical receptacle (312B) dedicated for electrical load (312D) via the electrical cord (312C).
  • the electrical receptacle (312B) is connected to the branch circuit breaker (112) by the branch circuit (312A).
  • An electrical load monitor (300) is placed inside the panelboard (105) and coupled with branch circuit (312A). As illustrated in FIG. 3B, an ungrounded conductor (322A) of branch circuit (312A) passes through a channel defined by magnetic core (302B) of current transformer (302C) of the electrical load monitor (300) with no other extra electricity being needed to supply electrical power to the electrical load monitor (300) to power its electrical output components such as wireless signal transmitter and a light indicator.
  • the system for interrupting simultaneous operation of a Level 2 EVSE with an electrical load in a single dwelling (100) also includes a Level 2 EVSE (316).
  • the Level 2 EVSE (316) is directly supplied by branch circuit (312E) from the same branch circuit breaker (112) which supplies the electrical receptacle (312B) for electrical load (312D).
  • the batteries (318C) of the electric vehicle (318) shall be charged by the on board battery charger (318B) of the electric vehicle (318) via electric vehicle charging inlet (318 A) by conductive coupling with the electric vehicle charging connector (316C) to be supplied electricity from Level 2 EVSE (316) via charging cable (316H) .
  • the electrical load monitor (300) wirelessly sends RF signal
  • the RF receiver decoder (316F) housed within the Level 2 EVSE (316) receives the RF signal (300A) and outputs the signal of electrical load (312D) being used to a simultaneous operation interruption circuit (316G).
  • the charging contactor (316B) is actuated to an open position by control circuit (316E) upon receiving an interrupting signal from simultaneous operation interruption circuit (316G). No electricity is drawn from the branch circuit (312E) to Level 2 EVSE (316) while electrical load (312D) is being used.
  • the charge circuit interrupting device and pilot circuit (316D) is a personnel protection system for The Level 2 EVSE (316) that reduces the risk of electric shock and communicates with on board battery charger (318B).
  • the Level 2 EVSE (316) supplies electricity to the on board battery charger (318B) as normal if no RF signal (300A) is sent out from the electrical load monitor (300) when the electrical load (312D) is not being used.
  • FIG. 4 illustrates a wireless alarm system of the electric range in a single dwelling (100) according to another alternative embodiment.
  • the main feeder power line (208/240VAC) (102) is connected to the main circuit breaker (106) in the panelboard (105) having one or more branch circuit breakers (108, 110, 112 and 115) connected thereto.
  • the electric range alarm (420) is plugged into the electrical receptacle (115B) directly.
  • the electrical receptacle (115B) is connected with the branch circuit breaker (115) by the branch circuit (115 A).
  • the electric range (412D) is plugged into the electrical receptacle (412B) via the electrical cord (412C) of electric range (412D).
  • the electrical receptacle (412B) is connected with the branch circuit breaker (112) by the branch circuit (412A).
  • the wireless alarm system of the electric range includes an electric range monitor (400) placed inside the panelboard (105) coupled to the branch circuit (412A).
  • the electric range monitor (400) wirelessly sends an RF signal (400A) while electric range (412D) is being used.
  • the RF receiver decoder (420B) of electric range alarm (420) receives the RF signal (400A) and outputs the signal of the electric range being used to a preset timer (420C) which begins a countdown. After a predetermined time interval, when preset time has elapsed in the preset timer (420C), the alert and/or alarm signals (420D) of the electric range alarm (420) will activate sound and/or light alert/alarm.
  • FIG. 5 illustrates yet another alternative embodiment of an electric vehicle charging system for interrupting simultaneous operation of a Level 2 EVSE with an electric range, and optionally including an alarm of the electric range, in a single dwelling (100).
  • the main feeder power line (208/240VAC) (102) is connected to the main circuit breaker (106) in the panelboard (105) having one or more branch circuit breakers (108, 110, 112 and 115) connected thereto.
  • the electrical loads in single dwelling (100) include the electrical load (108D), electrical load (HOD), electric range alarm (120), electric range (512D) and on board battery charger (118B) of electric vehicle (118) supplied electricity via Level 2 EVSE(116). It should be understood that the number of the electrical loads is exemplary and is not limiting on embodiments described herein.
  • the electric range alarm (120) is plugged into the electrical receptacle (115B) directly.
  • the electrical receptacle (115B) is connected with the branch circuit breaker (115) by the branch circuit (115 A).
  • the electric range (512D) is plugged into the electrical receptacle (512B) via the electrical cord (512C).
  • the electrical receptacle (512B) for electric range (512D) is connected with the branch circuit breaker (112) by the branch circuit (512A).
  • the electric vehicle charging system for interrupting simultaneous operation of a Level 2 EVSE with an electric range, and optionally including an alarm of the electric range, in a single dwelling (100), includes a Level 2 EVSE(116).
  • the Level 2 EVSE (116) is plugged into the electrical receptacle (112F) by the electrical cord (116A).
  • the electrical receptacle (112F) for Level 2 EVSE (116) is supplied electricity by branch circuit (112E) connected to the same branch circuit breaker (112) which supplies electricity to the electrical receptacle (512B) for electric range (512D).
  • the batteries (118C) of the electric vehicle (118) shall be charged by the on board battery charger (118B) of the electric vehicle (118) via electric vehicle charging inlet (118A) by conductive coupling with the electric vehicle charging connector (116C) to be supplied electricity from Level 2 EVSE (116) via charging cable (116H)
  • the electric vehicle charging system for interrupting simultaneous operation of a Level 2 EVSE with an electric range, and optionally including an alarm of the electric range, in a single dwelling (100) includes an electric range monitor (500) housed inside the electric range (512D).
  • the electric range monitor (500) wirelessly sends an RF signal (500A) while electric range (512D) is being used.
  • the RF receiver decoder (116F) for level 2 EVSE (116) receives the RF signal (500A) and outputs the signal of the electric range being used to simultaneous operation interruption circuit (116G).
  • the charging contactor (116B) is actuated to an open position by control circuit (116E) upon receiving the interruption signal from the simultaneous operation interruption circuit (116G).
  • the charge circuit interrupting device and pilot circuit (116D) is a personnel protection system for the Level 2 EVSE (116) that reduces the risk of electric shock and communicates with on board battery charger (118B).
  • the RF receiver decoder (120B) of electric range alarm (120) receives the RF signal (500A) and outputs the signal of the electric range being used to a preset timer (120C) which begins a countdown. After expiry of a predetermined time interval, when a preset time has elapsed in the preset timer (120C), the alert and/or alarm signals (120D) of electric range alarm (120) will activate sound and/or light alert/alarm.
  • the Level 2 EVSE (116) supplies electricity to the on board battery charger (118B) as normal in accordance with a predetermined charging protocol if no RF signal (500 A) is sent out from electric range monitor (500), and no alert/alarm (120D) is activated as well, when the electric range (512D) is not being used.
  • FIG. 7 illustrates still another alternative embodiment of an electric vehicle charging system for interrupting simultaneous operation of a Level 2 EVSE with an electric range, and optionally including an electric range alarm, in a single dwelling (100).
  • the main feeder power line (208/240VAC) (102) is connected to the main circuit breaker (106) in the panelboard (105) having one or more branch circuit breakers (108, 110, 112 and 115) connected thereto.
  • the electrical loads in the single dwelling (100) include the electrical load (108D), electrical load (HOD), electric range alarm (120), electric range (512D), and on board battery charger (118B) of electric vehicle (118) supplied electricity via Level 2 EVSE (116). It should be understood that the number of the electrical loads is exemplary and is not limiting on embodiments described herein.
  • the electric range alarm (120) is plugged into the electrical receptacle (115B) directly.
  • the electrical receptacle (115B) is connected with the branch circuit breaker (115) by the branch circuit (115 A).
  • the electric range (512D) is plugged into the electrical receptacle (712B) via the electrical cord (512C).
  • the electrical receptacle (712B) for electric range (512D) is connected with the branch circuit breaker (112) by the branch circuit (712A).
  • the system includes a Level 2 EVSE (116).
  • the Level 2 EVSE (116) is plugged into the electrical receptacle (712F) by the electrical cord (116A).
  • the electrical receptacle (712F) is supplied by branch circuit (712E) from the same branch circuit breaker (112) which supplies electricity to the electrical receptacle (712B) for electric range (512D).
  • the system shown in FIG. 7 differs from the system shown in FIG. 5 based primarily on location of a branching node of branch circuits connected to the branch circuit breaker (112). In FIG.
  • location of the branching node for the branch circuit (712A) and the branch circuit (712E) is at or proximal to the electrical receptacle (712B) for electric range (512D), while in FIG. 5 a branching node for branching circuits (512A and 112E) is located at or proximal to branch circuit breaker (112).
  • the batteries (118C) of the electric vehicle (118) shall be charged by the on board battery charger (118B) of the electric vehicle (118) via electric vehicle charging inlet (118A) by conductive coupling with the electric vehicle charging connector (116C) to be supplied electricity from Level 2 EVSE (116) via charging cable (116H)
  • the system includes an electric range monitor (500) housed inside the electric range (512D).
  • the electric range monitor (500) wirelessly sends an RF signal (500A) while electric range (512D) is being used.
  • the RF receiver decoder (116F) for Level 2 EVSE (116) receives the RF signal (500A) and outputs the signal of the electric range being used to simultaneous operation interruption circuit (116G).
  • the charging contactor (116B) is actuated to an open position by control circuit (116E) upon receiving the interruption signal from the simultaneous operation interruption circuit (116G). No electricity is drawn from the branch circuit (712E) while electric range (512D) is being used.
  • the charge circuit interrupting device and pilot circuit (116D) is a personnel protection system for the Level 2 EVSE (116) that reduces the risk of electric shock and communicates with on board battery charger (118B).
  • the RF receiver decoder (120B) for the electric range alarm (120) receives the RF signal (500A) and outputs the signal of the electric range being used to a preset timer (120C) which begins a countdown. Upon expiry of a predetermined time interval, when a preset time has elapsed in the preset timer (120C), alert and/or alarm signals (120D) of electric range alarm (120) will activate a sound and/or light alert/alarm.
  • the Level 2 EVSE (116) supplies electricity to the on board battery charger (118B) as normal in accordance with a predetermined charging protocol if no RF signal (500 A) is sent out from electric range monitor (500), and no alert/alarm is activated as well, when the electric range (512D) is not being used.
  • FIG. 8 illustrates another alternative embodiment of a wireless alarm system of the electric range in a single dwelling (100).
  • the main feeder power line (208/240VAC) (102) is connected to the main circuit breaker (106) in the panelboard (105) having one or more branch circuit breakers (108, 110, 112 and 115) connected thereto.
  • the electric range alarm (820) is supplied power by a DC battery power unit (820E).
  • the electric range (412D) is plugged into the electrical receptacle (412B) via the electrical cord (412C).
  • the electrical receptacle (412B) is connected with the branch circuit breaker (112) by the branch circuit (412A).
  • the wireless alarm system includes an electric range monitor (800) placed inside the panelboard (105).
  • the electric range monitor (800) wirelessly sends an RF signal (800A) while electric range (412D) is being used.
  • the RF receiver decoder (820B) of electric range alarm (820) receives the RF signal (800A) and outputs the signal of the electric range being used to a preset timer (820C) which begins a countdown.
  • an alert and/or alarm signals (820D) of electric range alarm (820) will activate a sound and/or light alert/alarm.
  • No alert/alarm is activated if no RF signal (800A) is sent out from electric range monitor (800) when the electric range (412D) is not being used.
  • FIG. 9 illustrates an alternative system for interrupting simultaneous operation of a Level 2
  • the main feeder power line (208/240VAC) (102) is connected to the main circuit breaker (106) in the panelboard (105) having one or more branch circuit breakers (108, 110, 112 and 115) connected thereto.
  • a load monitoring adaptor (900) is plugged into the electrical receptacle (912B) dedicated for electrical load (912D) via the electrical cord (900C) of the load monitoring adaptor (900).
  • An electrical load (912D) is plugged into the electrical receptacle (900B) on the load monitoring adaptor (900) via the electrical cord (912C).
  • the electrical receptacle (912B) is connected to the branch circuit breaker (112) by the branch circuit (912A).
  • the system for interrupting simultaneous operation of a Level 2 EVSE with an electrical load in a single dwelling (100) also includes a EVSE adaptor (920).
  • the EVSE adaptor (920) is plugged into the electrical receptacle (912F) dedicated for Level 2 EVSE (916) by the electrical cord (920C) of the EVSE adaptor (920).
  • the electrical receptacle (912F) is supplied - by electrically communicative connection through branch circuit (912E) - from the same branch circuit breaker (112) which supplies the electrical receptacle (912B) dedicated for electric range (912D).
  • the Level 2 EVSE (916) is plugged into the electrical receptacle (920A) on the EVSE adaptor (920) via the electrical cord (916A).
  • the batteries (918C) of the electric vehicle (918) shall be charged by the on board battery charger (918B) of the electric vehicle (918) via electric vehicle charging inlet (918 A) by conductive coupling with the electric vehicle charging connector (916C) to be supplied electricity from Level 2 EVSE (916) via charging cable (916H) .
  • the load monitoring adaptor (900) wirelessly sends RF signal
  • the RF receiver decoder (920F) housed within the EVSE adaptor (920) receives the RF signal (900A) and outputs the signal of electrical load (912D) being used to a simultaneous operation interruption circuit (920G).
  • the contactor (920B) housed within the EVSE adaptor (920) is actuated to an open position by control circuit (920E) upon receiving an interrupting signal from simultaneous operation interruption circuit (920G). No electrical power is supplied to Level 2 EVSE (916) from the branch circuit (912E) while electrical load (912D) is being used.
  • the Level 2 EVSE (916) supplies electricity to the on board battery charger (918B) from the branch circuit (912E) as normal if no RF signal (900A) is sent out from the load monitoring adaptor (900) when the electrical load (912D) is not being used.
  • FIG. 10 illustrates another alternative embodiment of a wireless alarm system of the electric range in a single dwelling (100).
  • the main feeder power line (208/240VAC) (102) is connected to the main circuit breaker (106) in the panelboard (105) having one or more branch circuit breakers (108, 110, 112 and 115) connected thereto.
  • the electric range alarm (1020) is supplied power by a DC battery power unit (1020E).
  • An electric range monitoring adaptor (1000) is plugged into the electrical receptacle (1012B) via the electrical cord (lOOOC) of the electric range monitoring adaptor (1000).
  • An electric range (1012D) is plugged into the electrical receptacle (1000B) on the electric range monitoring adaptor (1000) via the electrical cord (1012C).
  • the electrical receptacle (1012B) is connected to the branch circuit breaker (112) by the branch circuit (1012A).
  • the electric range monitoring adaptor (1000) wirelessly sends an RF signal (1000A) while electric range (1012D) is being used.
  • the RF receiver decoder (1020B) of the electric range alarm (1020) receives the RF signal (1000A) and outputs the signal of the electric range being used to a preset timer (1020C) which begins a countdown.
  • a preset timer (1020C) which begins a countdown.
  • an alert and/or alarm signals (1020D) of electric range alarm (1020) will activate a sound and/or light alert/alarm.
  • No alert/alarm is activated if no RF signal (1000A) is sent out from electric range monitoring adaptor (1000) when the electric range (1012D) is not being used.
  • FIG. 6 illustrates a block flow diagram of a method 600 for interrupting simultaneous operation of a Level 2 EVSE with an electric range, and optionally emitting an alarm indicating use of the electric range.
  • the method illustrated as a series of blocks generally designated as 600, includes, in block 602, providing an electrical panelboard (e.g., 105) having one or more branch circuit breakers (e.g., 108, 110, 112 and 115) coupled thereto.
  • branch circuit breakers e.g., 108, 110, 112 and 115
  • block 605 providing an electric range (e.g., 112D) coupled on a branch circuit breaker (e.g., 112) through branch circuit (e.g., 112A) and electrical receptacle (e.g., 112B) for electric range (e.g., 112D).
  • providing an electric range monitor e.g., 200
  • an ungrounded conductor e.g., 212A
  • the branch circuit e.g., 112A
  • providing an electric range alarm e.g., 120
  • an electrical receptacle e.g., 115B
  • a Level 2 EVSE (e.g., 116) is provided that is adapted to supply electricity to charge an electric vehicle (e.g., 118), wherein the Level 2 EVSE (e.g., 116) is electrically connected on the same branch circuit breaker (e.g., 112) which supplies electricity to the electric range (e.g., 112D).
  • the electric range monitor (e.g., 200) monitors the electric range (e.g., 112D) to determine whether the electric range is being used.
  • the electric range monitor sends an RF signal (e.g., 200A) by encoder RF transmitter (e.g., 210) upon the electric range (e.g., 112D) being used.
  • encoder RF transmitter e.g., 210
  • the electric range e.g., 112D
  • the electric range monitor sends an RF signal (e.g., 200A) by encoder RF transmitter (e.g., 210) upon the electric range (e.g., 112D) being used.
  • the electric range alarm may alert and/or alarm.
  • the Level 2 EVSE (e.g., 116) supplies electricity to on board battery charger (e.g., 118B) of electric vehicle (e.g., 118) for charging the batteries (e.g., 118C) of electric vehicle (e.g., 118) as normal, and no alert/alarm is activated as well, when the electric range (e.g., 112D) is not in use.
  • the systems and methods described herein provide one or more of the following benefits: a) avoids upgrading a panelboard to accommodate simultaneous use of EVSE and household appliance; b) save the cost for the upgrade installation; c) save the time to get the upgrade permit; d) charging during off-peak time (not at cooking time, after 10:00pm) and typical associated cost savings; d) easy and safe installation; or e) provides alerts as to unintended operation of a household appliance. Still further benefits are contemplated.
  • the type of EVSE need not be constrained to Level 2 EVSE, and may encompass many other types of EVSE.
  • Types of EVSE are described in the Society of Automotive Engineers (SAE) standard J1772 and International Electrotechnical Commission (TEC) standard 61851. To reference types of EVSE the SAE standard describes "methods” and “levels,” while the IEC standard describes "modes”.
  • an adaptor may comprise a housing defining an interior chamber to mount electrical components with the adaptor plug and the adaptor receptacle each rigidly fixed to a wall of the housing with each having terminal extending into the interior chamber to communicate with the electrical components.
  • electrical communication between one or both of the adaptor plug and the adaptor receptacle with other electrical components of the adaptor may be through a flexible electric cord.
  • Any wireless signaling mechanism that does not require line of sight between transmitter and receiver may be used.
  • a radio frequency signaling mechanism will be used. Any frequency may be used as permitted or regulated by government broadcast standards, including any permitted frequency or frequencies in a range of 100 MHz to 3000 MHz. Other examples include 200 MHz to 1000 MHz or 300 MHz to 440 MHz.
  • frequencies may be encoded.
  • Modulation of a carrier frequency to represent a serial coded wave form and generate a coded signal for transmission and its subsequent reception and demodulation to produce a digital signal output may be through any convenient digital modulation scheme.
  • Amplitude-shift keying (ASK), frequency-shift keying (FSK), and phase-shift keying (PSK) are a few examples of useful digital modulation schemes.
  • Wireless signaling may depend on a predetermined threshold level of current drawn by a household appliance.
  • the predetermined threshold level will generally be less than 10 amps, and more typically less than about 5 amps.
  • Switches such as relays or contactors, and optional control circuits for maintaining a switch in an open position for a predetermined time period are readily available.
  • the predetermined time period will be greater than a duty cycle frequency of the wireless signal transmitter, for example greater by at least 3 fold. While the systems and methods have been described with reference to a single branch circuit, utility may also be found with a plurality of branch circuits where a household appliance and EVSE are connected to different branch circuits.
  • the systems and methods may accommodate branch circuits and branch circuit breakers of any conventional rating.
  • the branch circuit may be configured for at least 200 volts of supply voltage between two ungrounded conductors and at least 30 amps of alternating current.
  • the branch circuit may be controlled by a double pole branch circuit breaker configured for at least 200 volts of supply voltage between two ungrounded conductors and at least 30 amps of alternating current.
  • Other voltage and amperage ratings may be accommodated.
  • Switches such as switches, receptacles, plugs, current transformers, rectifiers, constant voltage elements, microcontrollers, sound or light emitters, encoders, transmitters, receivers, decoders, batteries, timers, and the like are all commercially available in many different makes and models and can readily be matched and coupled depending on a desired implementation.
  • the alarm system described for an electric range may be adapted to other appliances as desired, for example stove tops, hot plates, ovens, irons and the like.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un système permettant d'empêcher le fonctionnement simultané d'un appareil électroménager et la charge d'un véhicule électrique dans une unité résidentielle, le système comprenant : un transformateur de courant couplé par induction à un conducteur non mis à la terre alimentant en énergie électrique l'appareil électroménager ; un émetteur de signal sans fil excité uniquement au moyen de la puissance prélevée à partir du transformateur de courant, l'émetteur de signal sans fil étant configuré pour émettre un signal sans fil lorsque la quantité de courant consommée par l'appareil électroménager est supérieure à un niveau seuil prédéfini ; un équipement d'alimentation de véhicule électrique (EVSE) alimentant un circuit d'alimentation électrique de sorte à charger le véhicule électrique, l'EVSE étant connecté à une ligne électrique de l'unité résidentielle ; et l'EVSE comprenant un récepteur de signal sans fil configuré pour actionner une commande de mise en marche/à l'arrêt binaire d'un flux de courant à travers l'EVSE.
PCT/CA2015/050541 2015-06-11 2015-06-11 Procédé et système de surveillance du fonctionnement d'un appareil électroménager WO2016197229A1 (fr)

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PCT/CA2015/050541 WO2016197229A1 (fr) 2015-06-11 2015-06-11 Procédé et système de surveillance du fonctionnement d'un appareil électroménager
CA2988611A CA2988611C (fr) 2015-06-11 2015-06-11 Procede et systeme de surveillance du fonctionnement d'un appareil electromenager

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US11469613B2 (en) 2020-04-22 2022-10-11 Loadshare Technologies Inc. System for household electrical management and charging of electric vehicles and/or other high load appliances

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