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WO2017149367A1 - Système de commande de puissance à entrées multiples et dispositif de prise de courant - Google Patents

Système de commande de puissance à entrées multiples et dispositif de prise de courant Download PDF

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Publication number
WO2017149367A1
WO2017149367A1 PCT/IB2016/054598 IB2016054598W WO2017149367A1 WO 2017149367 A1 WO2017149367 A1 WO 2017149367A1 IB 2016054598 W IB2016054598 W IB 2016054598W WO 2017149367 A1 WO2017149367 A1 WO 2017149367A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
devices
power outlet
power control
energy consumption
Prior art date
Application number
PCT/IB2016/054598
Other languages
English (en)
Inventor
David O’ DRISCOLL
Moffat NATHAN
Trent Carter
Original Assignee
Brightgreen Pty Ltd
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
Priority claimed from AU2016900737A external-priority patent/AU2016900737A0/en
Application filed by Brightgreen Pty Ltd filed Critical Brightgreen Pty Ltd
Publication of WO2017149367A1 publication Critical patent/WO2017149367A1/fr

Links

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
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • 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
    • H02J13/00002—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 monitoring
    • 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
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/0005—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving power plugs or sockets
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/006—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • 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

Definitions

  • the present invention relates to a multiple input power control system and relates particularly, although not exclusively, to a power outlet device with power monitoring which is able to determine and control the desired state of connected devices based on one or more factors.
  • So called home automation systems typically provide continuous monitoring and automatic control of a security system, lighting system, audio-visual system, heating-cooling system, sprinkler system, kitchen appliances, etc.
  • Wi-Fi switch which is an electrical socket having Wi-Fi connectivity that can be operated remotely using a mobile phone App to switch any devices or appliances connected to the socket remotely.
  • the present invention was developed with a view to providing a power outlet device with power monitoring, and a power control system, which is able to determine and control the desired state of devices connected to the power outlet device based on one or more factors. More particularly, an object of the present invention is to provide a power outlet device (when used as part of a power control system) which enables power consumption to be minimised and predicts user requirements for switching such that the building in which the device is installed can be substantially autonomous.
  • a power outlet device for a multiple input power control system, the device comprising: a power socket adapted to be connected to a mains power supply and to supply electrical power to one of more external connected devices; and, a controller, housed within the device and electrically coupled to the power socket wherein, in use, the energy consumption of an external device connected to the power socket can be monitored, recorded and analysed in relation to one or more inputs to facilitate automatic or manual switching of the external device.
  • the power outlet device further comprises a voltage measurement means, operatively coupled to the controller, for measuring instantaneous voltage of the power socket wherein, in use, the instantaneous voltage across the circuit can be monitored, recorded and analysed in relation to one or more inputs to facilitate automatic or manual switching of the external device.
  • the power outlet device further comprises a current measurement means, operatively coupled to the controller, for measuring instantaneous current of a power socket wherein, in use, the instantaneous current across the circuit can be monitored, recorded and analysed in relation to one or more inputs to facilitate automatic or manual switching of the external device.
  • the power outlet device further comprises a signal detecting means, operatively coupled to the controller, for detecting an electrical signal of the external device connected to the power socket wherein, in use the electrical signal can be used to identify the external device such that a device name can be automatically or manually assigned and its energy consumption monitored, recorded and analysed in relation to one or more additional inputs to facilitate automatic or manual switching of the external device.
  • a signal detecting means operatively coupled to the controller, for detecting an electrical signal of the external device connected to the power socket wherein, in use the electrical signal can be used to identify the external device such that a device name can be automatically or manually assigned and its energy consumption monitored, recorded and analysed in relation to one or more additional inputs to facilitate automatic or manual switching of the external device.
  • the controller is adapted to calculate instantaneous power factor of an external device connected to the power socket wherein, in use the instantaneous power factor can be used to identify the efficiency of a device or an increase in apparent power.
  • the controller is capable of determining undesirable energy consumption based on one or more factors including power consumption, voltage, current, power factor or additional input characteristics.
  • Advantageously power sockets determined to have undesirable energy consumption can be automatically switched off.
  • the power outlet device further comprises an RF communication module, operatively coupled to the controller, to enable wireless communications between the power outlet device and a remote device or power control system.
  • an RF communication module operatively coupled to the controller, to enable wireless communications between the power outlet device and a remote device or power control system.
  • Advantageously data recording and analysis of circuit characteristics in use may be conducted internally via the controller or externally on a separate device and sent as a command.
  • the power outlet device further comprises a surge protection circuit such that external devices are protected from temporal increases in voltage.
  • the power outlet device further comprises a circuit breaker, operatively coupled to the controller, which can detect a fault condition and interrupt the supply of electrical power to an external device.
  • the circuit breaker can be remotely switched via a secondary electronic device such that the power socket can be isolated for safety or maintenance.
  • the power outlet device further comprises a safety means, operatively coupled to the controller, for determining whether or not a standard power plug has been inserted into the power socket wherein, in use, the power outlet device cannot be activated unless a positive result is returned.
  • the power outlet device further comprises a first RGB LED, operatively coupled to the controller, for indicating the status of the power outlet device wherein, in use, the colour and state of the first LED can be used to provide information that is compatible with the user's mental model of the systems current status.
  • the colour and state of the first RGB LED can be determined by one or more factors including the external device's instantaneous energy consumption, energy consumption over time, the instantaneous cost of electricity for temporal pricing service or the period of time the power socket has been active.
  • the colour and state of the first RGB LED can be automatically determined based on one or more factors or established by the user.
  • the power outlet device further comprises at least one touch sensitive surface, operatively coupled to the controller, for switching the power socket.
  • the touch sensitive surface is located on the top edge of the device wherein, in use, it can be easily accessed by the user.
  • the power outlet device further comprises a temperature sensor, operatively coupled to the controller wherein, in use, the temperature can be used with one or more inputs for executing commands.
  • the power outlet device further comprises of one or more sensors, operatively coupled to the controller, for air quality detection.
  • sensors operatively coupled to the controller, for air quality detection.
  • This may include sensors for detection of carbon monoxide, carbon dioxide, smoke particles, volatile organic compounds or airborne particles such as dust or pollen.
  • the power outlet device further comprises an ambient light sensor, operatively coupled to the controller, wherein, in use, the detected light levels can be used with one or more inputs for executing commands.
  • an ambient light sensor operatively coupled to the controller, wherein, in use, the detected light levels can be used with one or more inputs for executing commands.
  • increasing the number of measurement points for ambient light both improves the accuracy and assists in identifying false positives within of the system.
  • the power outlet device further comprises a flood detection sensor, operatively coupled to the controller, wherein, in use, the abnormal presence of water can be detected and a user notified.
  • the power outlet device further comprises a second RGB LED, operatively coupled to the controller, for emitting light downwards wherein, in use, the light can be used for path navigation and the colour is determined by one or more factors including time of day.
  • the power outlet device further comprises at least one USB port operatively coupled to the controller.
  • the front housing is attached to the device via a hinge on the horizontal axis wherein, in use, the front housing can be rotated such that a device connected to the USB port can be stored.
  • the power outlet device further comprises an uninterruptible power supply operatively coupled to the controller.
  • a multiple input power control system comprising: a central power control data processing means for monitoring, recording and analysing energy consumption of a plurality of external devices connected to the system in relation to one or more inputs, and generating control signals responsive to the analysis; and, a plurality of power outlet devices provided remote from, and electronically coupled to, the power control data processing means, each power outlet device being adapted to be connected to a mains power supply and having at least one power socket to supply electrical power to one of more of the external devices wherein, in use, the external devices connected to the power sockets can be automatically or manually switched responsive to the control signals.
  • the power control data processing means is incorporated in a central automation hub.
  • one of more additional devices is connected to the automation hub that may provide additional inputs for autonomous commands.
  • additional devices include, but are not limited to, video cameras, motion, light, proximity, temperature, humidity, contact, pressure, air quality or flood sensors.
  • the central automation hub further comprises an RF communications device to enable wireless communication with each of the power outlet devices and/or additional devices.
  • the power control system can run a diagnostic operation which can be used to automatically determine and assign names for one or more devices connected to each power socket within the system.
  • a method of power control based on multiple inputs from a plurality of power outlet devices in a power control system each power outlet device being adapted to be connected to a mains power supply and having at least one power socket to supply electrical power to one of more external devices, the method comprising: monitoring, recording and analysing energy consumption of the external devices in relation to one or more inputs, and generating control signals responsive to the analysis; and, detecting undesirable energy consumption at any power socket connected to the system wherein, in use, an external device connected to the power socket can be automatically or manually switched responsive to the control signals.
  • Energy consumption of devices connected to each power outlet within the system are preferably monitored, recorded and analysed in relation to system goals and user inputs such that the devices can be autonomously switched and power use minimised.
  • the method of power control is capable of detecting undesirable energy consumption and executing an appropriate operation in response thereto.
  • the word “comprise” or variations such as “comprises” or “comprising” will be understood to imply the inclusion of a stated integer or group of integers but not the exclusion of any other integer or group of integers.
  • the word “preferably” or variations such as “preferred”, will be understood to imply that a stated integer or group of integers is desirable but not essential to the working of the invention.
  • Figure 1 is top perspective view of one embodiment of a power outlet device according to the present invention
  • Figure 2(a) is a top plan view of the power outlet device of Figure 1 ;
  • Figure 2(b) is a front elevation view of the power outlet device of Figure 1 ;
  • Figure 2(c) is a side view of the power outlet device of Figure 1 ;
  • Figure 2(d) is a section view of the power outlet device of Figure 1, through the line D-D in Figure 2(e);
  • Figure 2(e) is a rear elevation view of the power outlet device of Figure 1 ;
  • Figure 3 is functional block diagram of the power outlet device of Figure 1 ;
  • Figure 4 is a flowchart illustrating a typical sequence of operations performed by the power outlet device of Figure 1 ;
  • Figure 5 is a functional block diagram of one embodiment of a power control system according to the present invention.
  • Figure 6 is a flowchart illustrating a typical sequence of operations of the power control system of Figure 5 for detecting undesirable power consumption and executing an operation;
  • a preferred embodiment of a power outlet device 10 in accordance with the invention comprises a power socket 12 adapted to be connected to a mains power supply 14 and to supply electrical power to one of more external connected devices 16.
  • the device 10 also comprises a controller 20, housed within the device and electrically coupled to the power socket 12 wherein, in use, the energy consumption of an external device 16 connected to the power socket 12 can be monitored, recorded and analysed in relation to one or more inputs to facilitate automatic or manual switching of the external device 16.
  • the power outlet device 10 is housed in a casing 18 similar to a conventional wall-mounted power outlet.
  • the casing is adapted to house two power sockets 12.
  • Controller 20 typically comprises a CPU and a suitable internal memory device.
  • the power outlet device 10 further comprises an energy consumption measurement means in the form of energy meter 22, operatively coupled to the controller 20 and the power socket 12, for measuring the instantaneous energy consumption of the external device 16 connected to the power socket.
  • the controller 20 is capable of determining undesirable energy consumption based on one or more factors including power consumption, voltage, current, power factor or additional input characteristics.
  • a power socket 12 determined to have undesirable energy consumption can be automatically switched off. For example, the controller may detect that a battery powered external device has completed charging and automatically switch off the power socket. Undesirable power consumption may include standby, abnormal or any power consumption not advantageous to the user.
  • the energy consumption measurement means 22 comprises a voltage measurement means, operatively coupled to the controller 20, for measuring instantaneous voltage of the power socket 12 wherein, in use, the instantaneous voltage across the circuit can be monitored, recorded and analysed in relation to one or more inputs to facilitate automatic or manual switching of the external device 16.
  • the energy consumption measurement means 22 comprises a current measurement means, operatively coupled to the controller 20, for measuring instantaneous current of the power socket 12 wherein, in use, the instantaneous current across the circuit can be monitored, recorded and analysed in relation to one or more inputs to facilitate automatic or manual switching of the external device 16.
  • the controller 20 is adapted to calculate instantaneous power factor of an external device 16 connected to the power socket 12 wherein, in use the instantaneous power factor can be used to identify the efficiency of a device 16 or an increase in apparent power. For example, a decrease in power factor over time may identify a reduction in the efficiency of an external connected device 16 due to extended use, faults, environmental factors or the device nearing its end of life.
  • the measured power factor can be used to identify unsafe, low quality or inefficient devices such that the user can mitigate the use of such devices.
  • Advantageously measurement of either instantaneous voltage or instantaneous current, when coupled with power consumption, is adequate to determine the third unknown value.
  • the power outlet device 10 further comprises an RF communication module 24 with antenna 26, operatively coupled to the controller 20, to enable wireless communications over a wireless network between the power outlet device 10 and a remote device or power control system 60.
  • the location of other devices connected to the same wireless network as the power outlet device 10 can be detected based on one or more factors including signal strength.
  • the location and the name of devices connected to the wireless network can be assigned on a digital plan of the installation site such that user input during the setup process is minimised.
  • devices connected to the network can be used to identity a user wherein, in use, an identified user can be used with one or more inputs for executing commands.
  • Advantageously wireless credentials related to a wireless network formed by a wireless network access point are wirelessly transmitted to the power outlet device 10.
  • the RF communication module 24 and antenna 26 are configured for a Wi-Fi protocol.
  • the data from at least one sensor is transmitted and stored on a secondary device connected to the wireless network.
  • Advantageously data recording and analysis of circuit characteristics may be conducted, in use, either internally via the controller 20 or externally on a separate secondary electronic device and sent as a command.
  • the separate secondary device may be, for example, a handheld device with data processing capability, such as a mobile phone or tablet computer, or it may be in a remote automation hub, such as power control system 60.
  • the power outlet device 10 may comprise a signal detecting means 28, operatively coupled to the controller 20, for detecting an electrical signal of the external device 16 connected to the power socket 12 wherein, in use the electrical signal can be used to identify the external device 16 such that a device name can be automatically or manually assigned and its energy consumption monitored, recorded and analysed in relation to one or more additional inputs to facilitate automatic or manual switching of the external device 16.
  • the power outlet device 10 further comprises a surge protection circuit 30 (not shown) such that connected external devices 16 are protected from temporal increases in voltage.
  • the power outlet device 10 further comprises a circuit breaker 32 (not shown) that can detect a fault condition and interrupt power supply to the power socket 12.
  • the circuit breaker 32 can be remotely switched via a secondary electronic device such that a power socket 12 can be isolated for safety or maintenance.
  • power outlet devices 10 located in a child's room can be isolated when a parent is not present in the room.
  • the power outlet device 10 further comprises a compatibility detecting means 34 (not shown) for detecting electromagnetic compatibility wherein, in use, the device can establish if connected external devices 16 meet appropriate emission standards for the installed environment.
  • the power outlet device 10 further comprises a safety means 36 (not shown) for determining whether or not a standard plug has been inserted into the power socket 12 wherein, in use, the circuit cannot be activated unless a positive result is returned. For example if either no object is detected, or a conductive object that is not a standard power plug for the installed environments region is inserted into the power socket 12, the device 10 isolates the socket such that it cannot allow the flow of current.
  • the power outlet device 10 further comprises a first RGB LED 38 (not shown) for indicating the status of the power socket 12 wherein, in use, the colour and state of the LED can be used to provide information that is compatible with the user's mental model of the systems current status.
  • the LED 38 can be any colour however, if it is bright red this indicates an undesirable state, if it is flashing red it may indicate an error.
  • the colour and state of the RGB LED 38 can be determined by one or more factors including the power socket's instantaneous energy consumption, energy consumption over time, the instantaneous cost of electricity for temporal pricing service or the period of time the power socket 12 has been active.
  • the colour and state of the RGB LED 38 can be automatically determined based on one or more factors or established by the user. For example, if the device 10 is installed in an aged-care facility the device 10 can determine that the most relevant information is the duration of use of a power socket 12 such that an aged occupant or healthcare provider can be notified of undesirable or unintended device use.
  • the power outlet device 10 further comprises a touch sensitive surface 40 (not shown) for switching the power socket 12.
  • a touch sensitive surface 40 is located on the top edge of a housing of the device 10 such that it can be easily accessed by the user.
  • the power outlet device 10 may further comprise a temperature sensor 42 (not shown) wherein, in use, the temperature can be used with one or more inputs for executing commands. It may be desirable that the power outlet device 10 comprises an air quality sensor 44 (not shown) for air quality detection. This may include a sensor for detecting, for example, carbon monoxide, carbon dioxide, smoke particles, volatile organic compounds or airborne particles such as dust or pollen. In another embodiment the power outlet device 10 comprises an ambient light sensor 46 (not shown) wherein, in use, the detected light levels can be used with one or more inputs for executing commands. Advantageously increasing the number of measurement points for ambient light both improves the accuracy and assists in identifying false positives within the system. Possibly the power outlet device may comprise a flood sensor 48 (not shown) for flood detection wherein, in use, the abnormal presence of water can be detected and a user notified.
  • a flood sensor 48 not shown
  • the power outlet device 10 further comprises a second RGB LED 50 (not shown) to emit light downwards wherein, in use, the light can be used for path navigation and the colour is determined by one or more factors including time of day.
  • a command is sent to the power outlet device to activate the LED 50 in red such that the user has enough light to navigate safely around the environment whilst the user night vision is not compromised.
  • a plurality of the power outlet devices 10 can be grouped or dependencies established manually by the user or automatically based on one or more factors for more convenient control.
  • one or more power outlet devices 10 can be assigned as a slave to a master device such that slave devices are switched by the master device.
  • a state of the power outlet device 10 can be programmed manually or automatically based on one or more factors such that the controller 20 can ensure a specific state is entered or maintained at a set time or period based on user requirements.
  • the power outlet device 10 also includes a USB port 52 (not shown).
  • a front face 54 of the housing is attached to the device 10 via a hinge on the horizontal axis wherein, in use, the front face can be pivoted such that a device connected to the USB port 52 can be stored.
  • the power outlet device 10 comprises an uninterruptible power supply (UPS) 56.
  • UPS uninterruptible power supply
  • a preferred operating process for the controller 20 in the power outlet device 10 will now be described with reference to the flowchart in Figure 4.
  • the controller 20 Based on the instantaneous measurement of the energy consumption of an external device 16 connected to the power socket 12, as measured by energy meter 22, the controller 20 detects the power consumption at step 100. If the power consumption matches the user-specified requirements as calculated at step 102, the controller 20 will remain quiescent for a prescribed measurement time delay 104 before it resumes detection of the power consumption at step 100. If the power consumption does not meet the user-specified requirements as calculated at step 102, the controller 20 will adjust the state of relevant circuits at step 106 to meet the user requirements.
  • FIG. 5 A simplified functional block diagram of a preferred embodiment of the power control system 60 is shown in Figure 5.
  • the multiple input power control system 60 comprises a central power control data processing means 62 for monitoring, recording and analysing energy consumption of a plurality of external devices 16 connected to the system in relation to one or more inputs, and generating control signals responsive to the analysis.
  • the data processing means 62 may, for example, be a server in a central automation hub 64 as shown in Figure 5.
  • the system 60 further comprises a plurality of power outlet devices 10 provided remote from, and electronically coupled to, the power control data processing means 62.
  • Each power outlet device 10 is adapted to be connected to a mains power supply and has at least one power socket 12 to supply electrical power to one of more of the external devices 16.
  • the external devices 16 connected to the power sockets 12 can be automatically or manually switched responsive to the control signals transmitted from the data processing means 62.
  • Note 'additional device' 66 includes one or more devices connected to the automation hub that may provide additional inputs for autonomous commands. This may include, but is not limited to, video cameras, motion, light, proximity, temperature, humidity, contact, pressure, air quality or flood sensors.
  • the central automation hub 64 preferably further comprises an RF communications device 68 (not shown) to enable wireless communication with each of the power outlet devices 10 and/or additional devices 66.
  • the automation hub 64 is connected to the Internet and also includes a modem (not shown) and other data communications devices to enable full data communications with devices in the building, remote access, etc.
  • the power control system 60 can run a diagnostic operation which can be used to automatically determine and assign names for one or more devices connected to each power socket 12 within the system.
  • the power control system 60 may include the following functionality: a. Recording and analysing energy consumption within a defined space;
  • the power control system 60 is capable of monitoring, recording and analysing energy consumption, and is preferably capable of manual, remote or autonomous switching as part of an automation system. Energy consumption of devices 16 connected to each power outlet 12 within the system are monitored, recorded and analysed in relation to system goals and user inputs such that the devices 16 can be automatically switched and power use minimised.
  • the system 60 is capable of detecting undesirable energy consumption.
  • the power outlet device 10 detects the instantaneous power consumption at a power socket 12 in the device, and this information is transmitted to the power control data processing means 62.
  • the power socket status is determined at step 112, based on detection of one or more of the following inputs: instantaneous power, instantaneous current, instantaneous voltage, instantaneous power factor or additional inputs detected by the power outlet device 10 at step 110.
  • Note 'additional inputs' includes one or more inputs provided to the power control system 60 that may influence the desired state of a power outlet device 10. Additional inputs may include, but are not limited to time, date, occupancy status, device proximity, user proximity, system goals, current electricity cost and detection of motion, light, proximity, temperature, humidity, contact, pressure, air quality or floods via internal sensors or external devices.
  • the status of the power socket 12 relative to additional inputs is then determined by power control data processing means 62 at step 114.
  • Such 'additional inputs' 116 may include power over a set period, current over a set period, voltage over a set period, power factor over a set period and/or other additional inputs.
  • the power control data processing means 62 determines at step 118 whether or not undesirable power consumption has been detected. If no undesirable power consumption has been detected then after a prescribed measurement time delay 122, the data processing means 62 resumes determination of the power socket status at 112 based on the inputs detected at 110.
  • the type of power consumption is detected at step 120 and an appropriate operation executed at 124. More specifically the following conditions are preferably able to be detected (a potential method of detecting each item is suggested however, alternative means may be used):
  • Abnormal power consumption is characterised by power use that deviates from standard or learned power consumption profiles relative to a system state.
  • the system 60 can identify abnormal use relative to device type, time of use and occupancy status via preset rules. For example, if a device is On' at a time outside of its standard use profile or whilst the space is unoccupied (space may be a household or a room) it is considered abnormal and an operation is executed such as notifying the user or turning off the device.
  • the device type may be manually assigned or automatically detected via the connected devices electronic signature.
  • Undesirable standby power consumption is characterised by standby power use that provides no benefit to the user.
  • the product shall identify undesirable standby power consumption relative to device type, time of use and occupancy status via preset rules. Similar to abnormal power consumption, if a device is undesirable standby power is identified an operation will be executed. For example, standby power consumption of a stereo system is considered undesirable at all times it is not in use, therefore the product will ensure no power is consumed until a user actually turns on the stereo. Reduction in efficiency of connected device(s) or increase in apparent power
  • a reduction in efficiency is characterised as a device operating outside of its standard perimeters such that power consumption is increased or device lifetime may be compromised.
  • the system can identify a reduction in efficiency of connected devices relative to changes in electrical operating characteristics over time via preset rules. This may include a change in power consumption, voltage, current or apparent power. Changes in operating characteristics can be compared with the device type to identify specific conditions or causes for a reduction in efficiency and subsequent solutions. In additional external devices may be able to provide additional input characteristics such as operating and environment temperature to increase the accuracy of measurements.
  • a reduction in efficiency of a non-ducted air conditioner may indicate thermodynamic saturation or that the air filters need cleaning.
  • a reduction in efficiency of a refrigerator that is maintained may indicate an excess of frost has built up inside the freezer or the coils need cleaning however, an irregular or periodic reduction may indicate the door has been opened significantly more than required or it is empty and could improve with the addition of thermal storage such as a container of water.
  • this information may be used to identify ideal operating characteristics for devices which an external control system may use for maintaining peak efficiency.
  • a potential fault is characterised as a device failing to operate as intended and may potentially be a safety hazard.
  • the system will identify a potential fault of connected devices relative to device type and electrical characteristics such as power consumption, voltage, current, power factor and electrical signature. This may include significant changes to the load profile, detection of a poor earth, a loss of neutral or a load unbalance. Potential faults shall be identified via preset rules. Future iterations may refer to an increasing dataset to identify irregular use characteristics.
  • a device tripping the circuit can be quickly identified and isolated to prevent unsafe use and further nuisance.
  • a significant increase in power consumption from a base load appliance such as a hot water system may indicate a fault in the product.
  • Products with an air quality detector could identify gas fault
  • a specific condition is characterised as a set system state which triggers a preconfigured response in the power control system 60.
  • Specific conditions are designed to expand functionality that cannot directly be included in the items outlined above. Specific conditions may include:
  • Fully charged battery Detect a fully charged battery in a portable device, terminate standby power consumption. Socket to be activated periodically to ensure device remains fully charged if in use.
  • the power control system 60 preferably incorporate a means for detecting the type of electrical device or devices connected to each power socket 12 and their current state based on their electrical characteristics such as current and voltage waveforms.
  • the system 60 detects the electrical characteristics of connected electrical devices via the integral energy meter 22 in each power outlet device 10. If inadequate information is available due to the device type or state, an electrical signal may be generated to inject to the connected device and the electrical characteristics measured.
  • the electrical characteristics of connected external devices 16 are compared to a database of load signatures for electrical devices or groups of electrical devices with the closest match being returned to designate the device state and type. In the event a suitable result is not returned user input may be required to define the device type. Throughout this process the system may need to switch the connected devices state to retrieve adequate information for a comparison with the database.
  • Load signatures may be stored on internal memory or a secondary electronic device. The database may be updated with previously unrecognised load signatures following confirmation of the device state and type.
  • Undesirable energy consumption can be identified, communicated to a user and automatically switched based on user requirements.
  • the illustrated embodiment of the power outlet device is in the form of a wall mounted device, similar to a conventional wall socket, the power outlet device may take any suitable form and may be housed in a much larger casing that is built-in to a building wall or that is designed to sit beside an external device. Therefore, it will be appreciated that the scope of the invention is not limited to the specific embodiments described.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Evolutionary Computation (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

L'invention concerne un dispositif de prise de courant pour un système de commande de puissance à entrées multiples, le dispositif comportant une prise électrique conçue pour être connectée au réseau d'alimentation électrique et pour fournir de l'énergie électrique à un ou plusieurs dispositifs externes connectés ; et un dispositif de commande, logé dans le dispositif et couplé électriquement à la prise électrique permettant de surveiller, d'enregistrer et d'analyser lors de l'utilisation, la consommation d'énergie d'un dispositif externe connecté à la prise électrique par rapport à une ou plusieurs entrées pour faciliter la commutation automatique ou manuelle du dispositif externe.
PCT/IB2016/054598 2016-02-29 2016-07-30 Système de commande de puissance à entrées multiples et dispositif de prise de courant WO2017149367A1 (fr)

Applications Claiming Priority (2)

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AU2016900737 2016-02-29
AU2016900737A AU2016900737A0 (en) 2016-02-29 Multiple input power control system and power outlet device

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WO2017149367A1 true WO2017149367A1 (fr) 2017-09-08

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GB2564512A (en) * 2018-03-29 2019-01-16 Rf Solutions Ltd Radio power switching
CN114069334A (zh) * 2021-11-10 2022-02-18 江西伟德智能电气有限公司 一种可远程控制的智能插座
CN114167186A (zh) * 2021-12-07 2022-03-11 海南电网有限责任公司澄迈供电局 一种办公场所智能配电及监控装置
GB2629150A (en) * 2023-04-17 2024-10-23 E Motion Marine Ltd Electric power monitor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2564512A (en) * 2018-03-29 2019-01-16 Rf Solutions Ltd Radio power switching
GB2564512B (en) * 2018-03-29 2019-08-07 Rf Solutions Ltd Radio power switching
CN114069334A (zh) * 2021-11-10 2022-02-18 江西伟德智能电气有限公司 一种可远程控制的智能插座
CN114167186A (zh) * 2021-12-07 2022-03-11 海南电网有限责任公司澄迈供电局 一种办公场所智能配电及监控装置
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GB2629150A (en) * 2023-04-17 2024-10-23 E Motion Marine Ltd Electric power monitor

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