WO2006087181A2 - Wireless electronic device for automatic connection and disconnection of an electric power and respective method - Google Patents

Wireless electronic device for automatic connection and disconnection of an electric power and respective method Download PDF

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Publication number
WO2006087181A2
WO2006087181A2 PCT/EP2006/001365 EP2006001365W WO2006087181A2 WO 2006087181 A2 WO2006087181 A2 WO 2006087181A2 EP 2006001365 W EP2006001365 W EP 2006001365W WO 2006087181 A2 WO2006087181 A2 WO 2006087181A2
Authority
WO
WIPO (PCT)
Prior art keywords
transmitter
receiver
location
circuit breaker
wireless electronic
Prior art date
Application number
PCT/EP2006/001365
Other languages
French (fr)
Other versions
WO2006087181A3 (en
Inventor
Abduh Mohammed Zailai Alomar
Original Assignee
Terramark Markencreation Gmbh
Abduh Mohammed Zailai Alomar
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 Terramark Markencreation Gmbh, Abduh Mohammed Zailai Alomar filed Critical Terramark Markencreation Gmbh
Priority to CA002598463A priority Critical patent/CA2598463C/en
Priority to AU2006215737A priority patent/AU2006215737B2/en
Priority to US11/816,543 priority patent/US20080266056A1/en
Priority to CN2006800050748A priority patent/CN101124709B/en
Priority to ES06723044T priority patent/ES2318735T3/en
Priority to DE602006002964T priority patent/DE602006002964D1/en
Priority to JP2007555523A priority patent/JP2008530922A/en
Publication of WO2006087181A2 publication Critical patent/WO2006087181A2/en
Publication of WO2006087181A3 publication Critical patent/WO2006087181A3/en
Priority to TNP2007000298A priority patent/TNSN07298A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/04—Arrangements for synchronous operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2816—Controlling appliance services of a home automation network by calling their functionalities
    • H04L12/282—Controlling appliance services of a home automation network by calling their functionalities based on user interaction within the home
    • 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
    • H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • G07C9/00904—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for hotels, motels, office buildings or the like
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/03—Application domotique, e.g. for house automation, bus connected switches, sensors, loads or intelligent wiring
    • H01H2300/032—Application domotique, e.g. for house automation, bus connected switches, sensors, loads or intelligent wiring using RFID technology in switching devices
    • 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
    • H02J13/00036—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 switches, relays or circuit breakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L2012/284—Home automation networks characterised by the type of medium used
    • H04L2012/2841—Wireless
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
    • 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
    • Y04S20/14—Protecting elements, switches, relays or circuit breakers
    • 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
    • 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
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Definitions

  • This invention comprises a wireless device, causing electric current to be (temporarily) disconnected from a location when the user leaves, and to be (re-)connected when the user accesses or approaches the location and a method thereof.
  • Hotels will be used as an example for explanation; however, the invention can be applied in any similar situation that necessitates the automatic connection of electric current to a location in the presence and automatic disconnection of electric current in the absence of the user.
  • the invention comprises two main parts: a transmitter and a receiver of wireless signals common between them identified by an encryptor (encoder) inside the transmitter and a decryptor (decoder) inside the receiver.
  • the transmitter is powered by a rechargeable battery or an ordinary battery (lithium or the like) or any other power source
  • the receiver is fixed to the main power box at the location on the main feed line, and its main function is to cause electric current to be disconnected from the location by blocking (e.g. using a circuit breaker) the main feed line that feeds electricity to the location.
  • the transmitter periodically (e.g. every 3 minutes) sends wireless signals, such as pulse signals, encoded with a specific ID for the intended receiver.
  • wireless signals such as pulse signals
  • the receiver receives the signals and causes electric power to be connected (e.g. using a circuit breaker connected to the main feed line) to supply the location with electricity after identifying the transmitter ID.
  • the receiver maintains the connection closed for a period of e.g. 5 minutes.
  • This first time period is renewable, meaning that if within said period another such signal is received from the transmitter the connection is maintained for another period. This first period is longer than the second time period, i.e.
  • the delay in the receiver (i.e., the first time period) in (re-)opening the connection is controlled by means of a delay circuit and a timer that are preprogrammed for the time period during which the connection is to be kept closed.
  • Each transmitter and receiver holds a specific, mutually matching wireless signal identifier, and this identifier changes upon changing the transmitter and receiver to guarantee that wireless signals do not interfere in between adjacent locations. Since the transmitter sends its signal periodically - to save battery power - the resident or user of the intended location can possibly reach the reception range of the receiver during a period within which the last emitted signal by the transmitter did not reach the receiver.
  • the transmitter is equipped with a reset means, such as a button, that causes an immediate wireless signal to be sent to the receiver to connect the electric current.
  • the transmitter further comprises a wireless signal transmission timer, which starts automatically from the instant the means is actuated, i.e. the button is pressed; i.e. the transmitter is reset using the aforementioned button.
  • the transmitter is designed not to send any signals while being charged (if powered by a rechargeable battery), and / or while a transmitter on/off switch is set accordingly, i.e. to disconnect power from the battery or power source if not rechargeable.
  • Figure (1) is a general diagram of the receiver connected to the main power box.
  • Figure (2a) is a general diagram of the transmitter attached to a key holder.
  • Figure (2b) is a general diagram of a compact transmitter attached to the key.
  • Figure (3) is a schematic diagram of the transmitter circuit.
  • Figure (4) is a schematic diagram of the receiver circuit.
  • the present invention comprises two main parts, a transmitter (9) and a receiver (6) of a specific common signal between them.
  • the receiver (6) is coupled to a main circuit breaker (7), which in turn is connected to the main feed line (1).
  • the main circuit breaker is controlled by the receiver to either connect (circuit breaker closed) or disconnect (circuit breaker open) the location to / from the main feed line.
  • AU or some of the electrical appliances and apparatuses within the location are connected to the main feed line via sub-circuit breakers (3). If some of the appliances are to remain in operation even when electric current is disconnected by opening the main circuit breaker (e.g.
  • the transmitter (9) is attached to a key (11), either via a key holder (10), as shown in Fig. 2a, or by direct attachment to or incorporation into the key (Fig. 2b).
  • the transmitter may also take any other appropriate form, such as that of a separate access card.
  • the transmitter sends electrical pulses in a wireless manner generated by the pulse generator (14) which are encrypted (encoded) by the encryptor (encoder) (15) to be subsequently transmitted by the pulse transmitter module (16) via the antenna (12) to the receiver (6).
  • the pulse receiver module (18) located in the receiver (6) receives the signal from the transmitter (9) via the antenna (13) and sends it to the pulse decoder (decryptor) (19) that identifies the transmitter ID.
  • the decoder passes the signal — after transmitter ID verification - to the receiver timer (17) (not shown) to reset the timing for closing the main circuit breaker to the first time period and then to the delay circuit that delays the response to the main circuit breaker to open the main circuit breaker until the first time period will have elapsed, or until another signal is received from the transmitter (9), whereupon the receiver timer (17) located in the receiver (6) is reset.
  • the receiver (6) receives a wireless signal sent by the transmitter (9) at predefined, but programmable, time intervals (corresponding to the second time period), of e.g. three minutes, and the receiver (6) causes electric current to be connected, i.e. the main circuit breaker to be closed, via the timer (17) and the delay (5) for a predefined, but programmable, first time period (e.g. for five minutes).
  • the first time period has to be longer than the second time period to avoid unwanted power cuts, in other words to ensure a continual supply of electric power to the location as long as the transmitter (9) and the receiver (6) are in the same broadcasting range i.e. the user is present at or near the location to be supplied.
  • the main feed line continuously supplies the receiver (6) and the power storage (batteries) provides the transmitter (9) with the power it needs to operate. It is preferable to use a • echargeable power source for the transmitter (9) whereas the transmitter turns off completely when connected to the charger.
  • the transmitter can be provided with an on/off switch if operated by a non rechargeable power source so as to save its power and lengthen its lifetime.
  • the transmitter comprises a reset button (20) that is used to connect electric current directly and reset the receiver timer. Upon approaching or accessing the location, and in the absence of electric current, the user can press this reset button (20) to immediately send the wireless signal to the receiver (6) to reconnect the electric current without having to wait for the second time period to elapse.
  • the invention - especially the transmitter (9) - can be implemented in different ways other than the one specified in the aforementioned description, and may be manufactured from different materials. Also the transmitter and receiver circuits may be changed by some add-ins that may improve efficiency and save power.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Automation & Control Theory (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Selective Calling Equipment (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmitters (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Telephone Function (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Lock And Its Accessories (AREA)

Abstract

This invention is directed at automatically connecting electric current in a location (e.g. hotel rooms and the like) in the presence of a person and automatically disconnecting it when the person leaves. It comprises a wireless portable signal transmitter and a fixedly-attached receiver connected to the mains supply of the location. The transmitter periodically sends a signal in a predefined manner. When the receiver receives the signal, it causes a main circuit breaker to close and thus provides the location with electricity, and the receiver causes the circuit breaker to open automatically after a period of time longer than those periods of transmission. If the transmitter is located within the reception range of the receiver and sends a signal within the predefined timing to the receiver, the receiver maintains the circuit breaker closed and if the transmitter is unavailable (detected by absence of any signal from the transmitter), the receiver opens the circuit breaker and disconnects electricity from the location.

Description

Wireless Electronic Device for Automatic Connection and Disconnection of an Electric Power and respective Method
Invention Background
This invention comprises a wireless device, causing electric current to be (temporarily) disconnected from a location when the user leaves, and to be (re-)connected when the user accesses or approaches the location and a method thereof.
Hotels will be used as an example for explanation; however, the invention can be applied in any similar situation that necessitates the automatic connection of electric current to a location in the presence and automatic disconnection of electric current in the absence of the user.
Owners of hotels, furnished apartments, motels, offices and the like suffer from expensive electricity bills because residents or tenants do not switch off electric current upon leaving the location. For all rooms, hotels and the like thus deliberately use certain devices that need inserting an electronic access card (used as a key for accessing the room) to connect electric current, then disconnect the electric current when the card is taken out when the resident leaves the room. However, this method suits only hotels that had replaced the standard key system with electronic access cards. This method has two problems. First, the resident may forget the card inside the device before he leaves because it is not in front of his eyes. Second, any card with the same thickness will do the same job, such as ID cards or credit cards and the like, rendering this method useless. The reason why any card inserted in the device can connect electric current is that this method is mechanical and depends upon a little wheel fixed inside the device that needs to be moved a distance equal to the thickness of the card to connect electric current. And in the absence of any electronic signal from the card inserted in the device, this mechanical method becomes effective and connects electric current by inserting any card, which means that the high cost of electricity bills still remains.
The problem is not only the high cost of electricity bill, but also the consequent inappropriate power dissipation and increased environmental pollution.
General Description of Invention
The invention comprises two main parts: a transmitter and a receiver of wireless signals common between them identified by an encryptor (encoder) inside the transmitter and a decryptor (decoder) inside the receiver. The transmitter is powered by a rechargeable battery or an ordinary battery (lithium or the like) or any other power source, and the receiver is fixed to the main power box at the location on the main feed line, and its main function is to cause electric current to be disconnected from the location by blocking (e.g. using a circuit breaker) the main feed line that feeds electricity to the location.
The transmitter periodically (e.g. every 3 minutes) sends wireless signals, such as pulse signals, encoded with a specific ID for the intended receiver. When the transmitter is located within the reception range of the receiver, the receiver receives the signals and causes electric power to be connected (e.g. using a circuit breaker connected to the main feed line) to supply the location with electricity after identifying the transmitter ID. The receiver maintains the connection closed for a period of e.g. 5 minutes. This first time period is renewable, meaning that if within said period another such signal is received from the transmitter the connection is maintained for another period. This first period is longer than the second time period, i.e. the intervals at which the transmitter sends a signal, to ensure that a continuous supply of electric power is maintained at the location, while the transmitter is in the reception range. The delay in the receiver (i.e., the first time period) in (re-)opening the connection is controlled by means of a delay circuit and a timer that are preprogrammed for the time period during which the connection is to be kept closed.
Each transmitter and receiver holds a specific, mutually matching wireless signal identifier, and this identifier changes upon changing the transmitter and receiver to guarantee that wireless signals do not interfere in between adjacent locations. Since the transmitter sends its signal periodically - to save battery power - the resident or user of the intended location can possibly reach the reception range of the receiver during a period within which the last emitted signal by the transmitter did not reach the receiver. To overcome this problem, the transmitter is equipped with a reset means, such as a button, that causes an immediate wireless signal to be sent to the receiver to connect the electric current. The transmitter further comprises a wireless signal transmission timer, which starts automatically from the instant the means is actuated, i.e. the button is pressed; i.e. the transmitter is reset using the aforementioned button.
Also, the transmitter is designed not to send any signals while being charged (if powered by a rechargeable battery), and / or while a transmitter on/off switch is set accordingly, i.e. to disconnect power from the battery or power source if not rechargeable.
Brief Explanation of Figures
Figure (1) is a general diagram of the receiver connected to the main power box.
Figure (2a) is a general diagram of the transmitter attached to a key holder.
Figure (2b) is a general diagram of a compact transmitter attached to the key.
Figure (3) is a schematic diagram of the transmitter circuit.
Figure (4) is a schematic diagram of the receiver circuit.
Detailed Description
With reference to figures 1, 2a, and 2b, the present invention comprises two main parts, a transmitter (9) and a receiver (6) of a specific common signal between them. The receiver (6) is coupled to a main circuit breaker (7), which in turn is connected to the main feed line (1). The main circuit breaker is controlled by the receiver to either connect (circuit breaker closed) or disconnect (circuit breaker open) the location to / from the main feed line. AU or some of the electrical appliances and apparatuses within the location are connected to the main feed line via sub-circuit breakers (3). If some of the appliances are to remain in operation even when electric current is disconnected by opening the main circuit breaker (e.g. refrigerator, TV, fan, air conditioning, etc.), this can be achieved by providing an additional feed line (not shown), which e.g. branches off from the main feed line before the receiver-controlled main circuit breaker (i.e. is unaffected by operation of the main circuit breaker).
The transmitter (9) is attached to a key (11), either via a key holder (10), as shown in Fig. 2a, or by direct attachment to or incorporation into the key (Fig. 2b). The transmitter may also take any other appropriate form, such as that of a separate access card.
With reference to figures 3 and 4, in normal mode, the transmitter sends electrical pulses in a wireless manner generated by the pulse generator (14) which are encrypted (encoded) by the encryptor (encoder) (15) to be subsequently transmitted by the pulse transmitter module (16) via the antenna (12) to the receiver (6). The pulse receiver module (18) located in the receiver (6) receives the signal from the transmitter (9) via the antenna (13) and sends it to the pulse decoder (decryptor) (19) that identifies the transmitter ID. The decoder passes the signal — after transmitter ID verification - to the receiver timer (17) (not shown) to reset the timing for closing the main circuit breaker to the first time period and then to the delay circuit that delays the response to the main circuit breaker to open the main circuit breaker until the first time period will have elapsed, or until another signal is received from the transmitter (9), whereupon the receiver timer (17) located in the receiver (6) is reset.
If the transmitter (9) is in the wireless signal reception range of the receiver (6), the receiver (6) receives a wireless signal sent by the transmitter (9) at predefined, but programmable, time intervals (corresponding to the second time period), of e.g. three minutes, and the receiver (6) causes electric current to be connected, i.e. the main circuit breaker to be closed, via the timer (17) and the delay (5) for a predefined, but programmable, first time period (e.g. for five minutes). It is important to note that the first time period has to be longer than the second time period to avoid unwanted power cuts, in other words to ensure a continual supply of electric power to the location as long as the transmitter (9) and the receiver (6) are in the same broadcasting range i.e. the user is present at or near the location to be supplied.
The main feed line continuously supplies the receiver (6) and the power storage (batteries) provides the transmitter (9) with the power it needs to operate. It is preferable to use a •echargeable power source for the transmitter (9) whereas the transmitter turns off completely when connected to the charger. The transmitter can be provided with an on/off switch if operated by a non rechargeable power source so as to save its power and lengthen its lifetime.
Furthermore, the transmitter comprises a reset button (20) that is used to connect electric current directly and reset the receiver timer. Upon approaching or accessing the location, and in the absence of electric current, the user can press this reset button (20) to immediately send the wireless signal to the receiver (6) to reconnect the electric current without having to wait for the second time period to elapse.
It is well known that the invention - especially the transmitter (9) - can be implemented in different ways other than the one specified in the aforementioned description, and may be manufactured from different materials. Also the transmitter and receiver circuits may be changed by some add-ins that may improve efficiency and save power.

Claims

1. Wireless electronic device for automatic connection and disconnection of an electric power supplied to a location, comprising a transmitter (9) and a receiver (6), wherein the transmitter is mobile and the receiver is coupled to a main circuit breaker (7) connected to the main feed line (1) of said location; the transmitter comprises an electric pulse generator (14), a pulse transmitter module (16) and a first antenna device (12) to wirelessly transmit pulse signals; the receiver comprises a second antenna device (13) to receive said pulse signals if the transmitter is within the reception range of the receiver; the receiver controls said circuit breaker (7) connected to said main feed line in that the receiver causes the circuit breaker to close, whereby electric power is supplied to the location, upon receipt of one of said pulse signals by the receiver, and in that the receiver causes the circuit breaker to open, whereby the electric power supply to the location is cut, upon failure to receive one of said pulse signals by the receiver for a first time period.
2. Wireless electronic device according to claim 1, wherein the transmitter comprises an encoder (15) to encode pulses with the transmitter's characteristic identity; and wherein the receiver comprises a decoder to decode and verify the transmitter's identity.
3. Wireless electronic device according to claim 2, wherein the transmitter (9) and receiver (6) share the same cipher used for encoding/decoding, which is different from the cipher used in adjacent locations so as a guarantee absence of interference in between adjacent locations.
4. Wireless electronic device according to claims 1, 2 or 3, wherein the transmitter (9) further comprises a transmitter timer (30) to cause the transmitter to periodically transmit a pulse signal after a programmable second time period.
5. Wireless electronic device according to claim 4, wherein the receiver (6) further comprises a receiver timer (17) and a delay circuit (5) connected to the circuit breaker, which cause the circuit breaker to open upon failure to receive a pulse signal from the transmitter by the receiver for said first time period, which is programmable and longer than the second time period.
6. Wireless electronic device according to claims 1 to 5, wherein the transmitter (9) further comprises a reset means (20) to initiate a pulse to be transmitted immediately by the transmitter, whereby the receiver timer (17) is reset.
7. Method for automatic connection and disconnection of the electric power supplied to a location, comprising the steps of wirelessly transmitting pulse signals by a mobile transmitter (9); receiving said wireless pulse signals by a receiver (6), coupled to a main circuit breaker (7) connected to the main feed line (1) of said location, if the transmitter is in the reception range of the receiver; causing said circuit breaker (7) to close, whereby electric power is supplied to the location, upon receipt of one of said pulse signals by the receiver, controlling said circuit breaker; causing the circuit breaker to open, whereby the electric power supply to the location is cut, upon failure to receive one of said pulse signals for a first time period.
8. Method according to method claim 7, further comprising the steps of encoding the pulse signals with the transmitter's characteristic identity on the transmitter side; and decoding and verifying the transmitter's identity on the receiver side.
9. Method according to method claims 7 or 8, further comprising the step of using the same shared cipher for encoding in the transmitter (9) and decoding in the receiver (6), respectively, wherein the shared cipher used by the respective transmitter/receiver pair in a first location is different from the one used in an adjacent location, so as to guarantee absence of interference in between adjacent locations.
10. Method according to method claims 7, 8 or 9, further comprising the step of using a transmitter timer (30) in the transmitter (9) to cause the transmitter to periodically transmit said pulse signal after a programmable second time period.
11. Method according to method claims 7 to 10, further comprising the step of using a receiver timer (17) and a delay circuit (5) connected to the circuit breaker (7), to cause the circuit breaker to open upon failure to receive pulse signals from the transmitter by the receiver for the first time period which is programmable and longer than the second time period.
12. Method according to method claims 7 to 11, further comprising the step of initiating a pulse signal to be transmitted immediately by the transmitter upon actuation of a reset means (20), whereby the receiver timer (17) is reset.
13. System comprising at least two wireless electronic devices according to either of claims 1 to 6, wherein a first wireless electronic device is used in a first location comprising a transmitter (9) and a receiver (6), sharing a first cipher for encoding/decoding; and a second wireless electronic device is used in a second location, adjacent to the first, further comprising a transmitter (9') and a receiver (6'), sharing a second cipher for encoding/decoding, which is different from the first cipher.
PCT/EP2006/001365 2005-02-20 2006-02-15 Wireless electronic device for automatic connection and disconnection of an electric power and respective method WO2006087181A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA002598463A CA2598463C (en) 2005-02-20 2006-02-15 Wireless electronic device for automatic connection and disconnection of an electric power and respective method
AU2006215737A AU2006215737B2 (en) 2005-02-20 2006-02-15 Wireless electronic device for automatic connection and disconnection of an electric power and respective method
US11/816,543 US20080266056A1 (en) 2005-02-20 2006-02-15 Wireless Electronic Device for Automatic Connection and Disconnection of an Electric Power and Respective Method
CN2006800050748A CN101124709B (en) 2005-02-20 2006-02-15 Wireless electronic device for automatic connection and disconnection of an electric power and respective method
ES06723044T ES2318735T3 (en) 2005-02-20 2006-02-15 WIRELESS ELECTRONIC DEVICE FOR AUTOMATIC CONNECTION AND DISCONNECTION OF AN ELECTRICAL POWER SUPPLY AND ASSOCIATED PROCEDURE.
DE602006002964T DE602006002964D1 (en) 2005-02-20 2006-02-15 WIRELESS ELECTRONIC DEVICE FOR THE AUTOMATIC CONNECTION AND DISCONNECTION OF AN ELECTRICAL POWER SUPPLY AND METHOD THEREOF
JP2007555523A JP2008530922A (en) 2005-02-20 2006-02-15 Wireless electronic device and method for automatically connecting and disconnecting power
TNP2007000298A TNSN07298A1 (en) 2005-02-20 2007-07-31 Wireless electronic device for automatic connection and disconnection of an electric power and respective method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SA05260021 2005-02-20
SA5260021A SA05260021B1 (en) 2005-02-20 2005-02-20 Wireless electronic device and method for connecting and disconnecting electricity automatically from a site

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WO2006087181A2 true WO2006087181A2 (en) 2006-08-24
WO2006087181A3 WO2006087181A3 (en) 2007-07-12

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JP (1) JP2008530922A (en)
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CN (1) CN101124709B (en)
AT (1) ATE409974T1 (en)
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DE (1) DE602006002964D1 (en)
ES (1) ES2318735T3 (en)
MA (1) MA29327B1 (en)
SA (1) SA05260021B1 (en)
TN (1) TNSN07298A1 (en)
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DE602006002964D1 (en) 2008-11-13
CN101124709A (en) 2008-02-13
TNSN07298A1 (en) 2008-12-31
CA2598463A1 (en) 2006-08-24
WO2006087181A3 (en) 2007-07-12
AU2006215737B2 (en) 2008-05-15
EP1854197B1 (en) 2008-10-01
EP1854197A2 (en) 2007-11-14
KR20070110859A (en) 2007-11-20
ATE409974T1 (en) 2008-10-15
JP2008530922A (en) 2008-08-07
AU2006215737A1 (en) 2006-08-24
SA05260021B1 (en) 2008-06-16
ZA200708015B (en) 2008-06-25
CA2598463C (en) 2009-05-12
MA29327B1 (en) 2008-03-03
CN101124709B (en) 2010-04-21
US20080266056A1 (en) 2008-10-30
ES2318735T3 (en) 2009-05-01

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