WO2013073548A1 - Wireless communication apparatus, wireless communication system having same, and power consumption management apparatus - Google Patents
Wireless communication apparatus, wireless communication system having same, and power consumption management apparatus Download PDFInfo
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- WO2013073548A1 WO2013073548A1 PCT/JP2012/079455 JP2012079455W WO2013073548A1 WO 2013073548 A1 WO2013073548 A1 WO 2013073548A1 JP 2012079455 W JP2012079455 W JP 2012079455W WO 2013073548 A1 WO2013073548 A1 WO 2013073548A1
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- Prior art keywords
- wireless communication
- power
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- communication
- wireless
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/546—Combination of signalling, telemetering, protection
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- 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
- H02J13/00034—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 an electric power substation
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- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- 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
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- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- 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
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- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- 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
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- 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
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- 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
- Y04S40/121—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 the power network as support for the transmission
Definitions
- the present invention relates to a wireless communication device, a wireless communication system including the wireless communication device, and a power consumption management device including the wireless communication device.
- the AC of the wireless communication device when the wall outlet is shared with other home appliances and the other home appliances are to be used temporarily with priority, the AC of the wireless communication device is used. You may need to remove the adapter from the wall outlet. In such a case, wireless communication cannot be performed until the AC adapter of the wireless communication apparatus is reconnected to the wall outlet.
- HEMS home energy management system
- smart home appliances home communication and control of each home appliance are delayed. There is also a fear. The same applies when the branch breaker of the wall outlet system to which the AC adapter of the wireless communication apparatus is connected interrupts the circuit due to overcurrent or the like.
- an object of the present invention is to provide a wireless communication device that can always secure a power supply during a calm time other than a power failure, a wireless communication system including the wireless communication device, and a power consumption management device including the wireless communication device.
- the wireless communication device of the present invention is connected to a system power line inside the distribution board by wire and operates by receiving power supply from the system power line.
- the wireless communication device is disposed inside a housing of the distribution board.
- the main body of the wireless communication device is housed inside the housing of the distribution board, and the antenna portion is exposed outside the housing.
- the wireless communication device is connected to the outside of the casing of the distribution board.
- the wireless communication device includes: a first communication unit that communicates with the outside using a first protocol; a second communication unit that communicates with the outside via a radio wave using a second protocol; It is preferable to include a data conversion unit that converts communication data between the first communication unit and the second communication unit so that they can communicate with each other.
- the management apparatus includes the wireless communication device, a power measurement unit that measures power consumed by the external device, and the measurement result of the power measurement unit via the second communication unit.
- a control unit that controls the operation of the external device.
- the wireless communication system of the present invention includes the wireless communication device and a power meter having a communication function and connected to the system power line.
- the wireless communication device includes a first communication unit that communicates with the power meter, a second communication unit that communicates with a wireless device via a radio wave, the first communication unit, and the second communication unit. It is preferable to have a communication data conversion unit that converts communication data between them so that they can communicate with each other.
- communication between the power meter and the first communication unit is power line communication.
- the wireless communication device of the present invention is connected to the system power line in the distribution board and is configured to operate by receiving power directly from the system power line. There is no loss of power.
- a wireless communication system including a wireless communication apparatus according to an embodiment of the present invention will be described with reference to the drawings.
- FIG. 1 shows the configuration of a wireless communication system.
- a broken line indicates a wireless connection.
- the wireless communication system 100 includes a distribution board 1 that distributes and distributes power to various places in a home, a smart meter (power meter) 2 having a communication function, various home appliances 3 such as an air conditioner, a refrigerator, and a washing machine.
- the distribution board 1 and the smart meter 2 are connected by a power line 30.
- a HEMS management device 10 having a communication function is provided in the housing 1B of the distribution board 1.
- the distribution board 1 includes a main breaker 11 and at least one branch breaker 12.
- a solar power generator 4 In addition to the home appliance 3, a solar power generator 4, a fuel cell 5, a storage battery 6, an electric vehicle 7, an information processing terminal 8, and the like are connected to the distribution board 1 as necessary.
- Home appliance 3, electric vehicle 7 and information processing terminal 8 are connected to branch breaker 12. Electric power necessary for the operation of the home appliance 3, the electric vehicle 7 and the information processing terminal 8 is supplied from a commercial power source, a storage battery 6, or the like.
- the storage battery 6, for example, electric charges obtained by the solar power generator 4 and the fuel cell 5 are stored.
- Outputs of the solar power generator 4, the fuel cell 5, and the storage battery 6 are connected to, for example, a power line 30 via a power conditioner.
- the solar power generator 4, the fuel cell 5, and the storage battery 6 can also be used for in-house power generation during a power failure.
- the HEMS management device 10 (distribution panel 1) and the home appliance 3, the solar power generator 4, the fuel cell 5, the storage battery 6, the electric vehicle 7, the information processing terminal 8, and the like can communicate with each other. And constitutes the HEMS network 1A.
- all the devices connected to the distribution board 1 do not have to have a communication function with the HEMS management apparatus 10 (distribution panel 1), and some of the apparatuses communicate with the HEMS management apparatus 10. It may have a function. Moreover, you may have a communication function between apparatuses.
- a predetermined device in the HEMS network 1A may communicate with the HEMS management apparatus 10 via another device in the HEMS network 1A. Considering the ease of construction when the home appliance 3 is moved or added, it is desirable to use wireless for communication within the HEMS network 1A. However, devices that are not moved frequently communicate with each other using wired communication. Also good.
- the HEMS management device 10 manages power generation by the solar power generator 4 and the fuel cell 5, charging / discharging of the storage battery 6, power consumption by the home appliance 3 and the like. That is, the HEMS management apparatus 10 manages the power generation amount and the power consumption amount by each device in the HEMS network 1A.
- the power generation status by the solar power generator 4 and the fuel cell 5, the charging status of the storage battery 6, and the power consumption status by the home appliance 3 can be displayed by the information processing terminal 8. By checking the information displayed on the information processing terminal 8 and operating the information processing terminal 8 as necessary, the operation of each device can be set and the power flow can be optimized.
- the information processing terminal 8 may be a dedicated monitor device installed on a wall surface in the vicinity of the distribution board 1, or may be a portable information processing terminal such as a smartphone.
- the smart meter 2 is connected to the distribution board 1 via the power line 30 in a wired manner.
- the smart meter 2 receives power from the transmission line 60 and supplies it to the distribution board 1, and from the transmission line 60 to the distribution board 1.
- the smart meter 2 may display the power consumed in the home, measured by the power measuring unit 14 (described later) in the HEMS management apparatus 10).
- the smart meter 2 has a communication function, and is connected to the server 50 of the electric power company via the smart meter 2 or the like installed in another house, and the smart meter network 2A is configured. Communication between the plurality of smart meters 2 and communication between the smart meter 2 and the server 50 are performed via wired or wireless communication.
- the smart meter 2 and the distribution board 1 communicate with each other via the power line 30 by power line communication (PLC).
- PLC power line communication
- the HEMS management device 10 controls the home appliance 3 so that the home appliance 3 is operated preferentially at a time when the rate is low, so that the monthly The electricity bill to pay can be reduced.
- FIG. 2 shows a configuration of the distribution board 1 of the present embodiment.
- the distribution board 1 includes a HEMS management device 10, a main breaker 11, and a plurality of branch breakers 12.
- the main breaker 11 is connected to the branch breaker 12 via a main line 13 that is a system power line extending from the main breaker 11.
- the main breaker 11 has an input side terminal 11a and an output side terminal 11b.
- the input side terminal 11 a of the main breaker 11 is connected to the smart meter 2 via the power line 30.
- the output side terminal 11 b of the main breaker 11 is connected to the branch breaker 12 and the HEMS management device 10 via the main line 13.
- Each branch breaker 12 branches off from the main line 13 and supplies power to a wall outlet of each system provided corresponding to each branch breaker 12.
- each branch breaker 12 interrupts the circuit of the system when an overcurrent flows through a load such as the home appliance 3 via the wall outlet of the corresponding system.
- a load such as the home appliance 3 via the wall outlet of the corresponding system.
- the main breaker 11 is activated to shut off all the circuits of the system.
- the HEMS management device 10 is directly connected to a trunk line 13 (including a conductive bar and a fixture) extended from the main breaker 11 and operates by receiving power supply from the trunk line 13.
- the HEMS management apparatus 10 may be connected to a dedicated branch breaker 12 provided to supply power to the HEMS management apparatus 10 among the plurality of branch breakers 12 connected to the main line 13. .
- the HEMS management device 10 is directly connected to the system power supply line inside the distribution board 1 by wire.
- the HEMS management device 10 includes a power measurement unit 14 and a wireless communication device 15, and includes a function for measuring power consumed in the home, a management control function for the home appliances 3 and the like via the HEMS network 1A, and a smart meter. 2 and a communication function.
- the power measurement unit 14 is connected to the trunk line 13 and measures the power consumed in the house.
- the power measuring unit 14 is also connected to a branch path to the branch breaker 12 on the main line 13, and measures the power supplied from the main breaker 11 to each branch breaker 12. That is, the power measuring unit 14 measures the total amount of power consumed in the home.
- the power measurement unit 14 may also measure the power generated in the house by the solar power generator 4 or the like.
- Information on the power measured by the power measuring unit 14 is transmitted to the smart meter 2 via the PLC modem 16 or transmitted to the information processing terminal 8 via the transmitting unit 18.
- the wireless communication device 15 includes a PLC modem 16, a control unit 17, a transmission unit 18, a reception unit 19, an antenna 20, and a power supply unit 21.
- the main body portion of the wireless communication device 15 includes a PLC modem 16, a control unit 17, a transmission unit 18, a reception unit 19, and a power supply unit 21.
- the main body portion of the wireless communication device 15 is disposed inside the housing 1 ⁇ / b> B of the distribution board 1 together with the antenna 20.
- the wireless communication device 15 includes an input terminal 15a. In the present embodiment, the input terminal 15 a is directly connected to the trunk line 13 extending from the output side terminal 11 b of the main breaker 11.
- the power supply unit 21 is directly connected to the input terminal 15a (that is, the power supply unit 21 is directly connected to the main line 13).
- the power supply unit 21 converts AC power supplied from the trunk line 13 into DC power and supplies the DC power to each unit of the wireless communication device 15.
- the wireless communication device 15 includes: a first communication unit 15A that communicates with the smart meter 2 (power meter); a second communication unit 15B that communicates with a wireless device such as the home appliance 3 via wireless radio waves; And a control unit 17 (communication data conversion unit) that controls each unit.
- the PLC modem 16 and the control unit 17 or the like constitute a first communication unit 15A that performs bidirectional communication with the smart meter 2 in a wired manner.
- the PLC modem 16 is directly connected to the trunk line 13, superimposes a high-frequency information signal on the alternating current flowing through the trunk line 13, and performs bidirectional communication with the smart meter 2 by wire.
- a second communication unit 15B that performs two-way wireless communication with the home appliance 3 in the HEMS network 1A is configured by the control unit 17, the transmission unit 18, the reception unit 19, and the antenna 20 or the like.
- the control unit 17 controls each unit of the wireless communication device 15. For example, the control unit 17 transmits information about the home appliances 3 and the like in the HEMS network 1A obtained via the reception unit 19 to the smart meter 2 via the PLC modem 16 or information processing via the transmission unit 18. Or transmitted to the terminal 8. Information transmitted from the electric power company and obtained via the smart meter 2 and the PLC modem 16 is transmitted to the information processing terminal 8 via the transmission unit 18, or based on the information, the home appliances in the HEMS network 1A 3 or the like is transmitted from the transmitter 18.
- the wired communication protocol (first protocol) performed between the PLC modem 16 and the smart meter 2 is different from the wireless communication protocol (second protocol) performed in the HEMS network 1A.
- Reference numeral 17 functions as a protocol conversion unit (communication data conversion unit). With this function, the control unit 17 converts the communication data protocol to each other, and thereby converts the communication data so that they can communicate with each other. That is, the control unit 17 determines the protocol of the PLC transmitted / received by the first communication unit 15A including the PLC modem 16 and the protocol of the HEMS network 1A transmitted / received by the second communication unit 15B including the transmission unit 18 and the reception unit 19. A gateway function for mutual conversion is provided.
- the control unit 17 determines the HEMS based on the power consumption measured by the smart meter 2 and the power consumption measured by the power measurement unit 14 (power generation amount and power consumption in the HEMS network 1A). You may control operation
- FIG. 3 shows a wireless communication system 200 in which the technology described in Document 1 is applied to a conventional distribution board 201 as a reference example.
- the wireless communication system 200 includes a HEMS controller 210 instead of the HEMS management apparatus 10 of the present embodiment.
- the HEMS controller 210 has a wireless communication device (a wireless communication device to which power is supplied from a wall outlet) described in Document 1, and manages communication within the HEMS network 1A.
- the HEMS controller 210 has a control function of the home appliance 3 and the like via the HEMS network 1A.
- An AC adapter (not shown) of the HEMS controller 210 is connected to a wall outlet branched from the distribution board 201 and supplies power to the HEMS controller 210.
- a power measuring unit 214 having a function of measuring power is provided in the HEMS network 1A separately from the HEMS controller 210.
- the power measurement unit 214 is connected to the main line 13 in the distribution board 201 in the same manner as the power measurement unit 14.
- the HEMS management device 10 including the wireless communication device 15 is directly connected to the system power supply line (main line 13) inside the distribution board 1.
- the system power supply line main line 13
- the structure equivalent to the AC adapter mentioned above becomes unnecessary. Therefore, the configuration of the wireless communication system 100 is simplified, and the cost can be reduced.
- a configuration corresponding to the power measurement unit 214 is mounted on the HEMS management apparatus 10 inside the distribution board 1. That is, the HEMS management apparatus 10 includes a power measurement unit 14 connected to the main line 13. For this reason, the effort which installs the same structure separately can be saved.
- the wireless communication system 100 of this embodiment since communication is performed between the outdoor smart meter 2 and the indoor HEMS management apparatus 10 by wire, it is favorable without being affected by the structure of the building. Communication quality can be secured stably and communication reliability can be improved.
- the communication between the smart meter 2 and the HEMS management apparatus 10 is power line communication using the existing power line 30, that is, the system power line. Therefore, since it is not necessary to construct a separate communication line, the cost and labor required for introducing the wireless communication system 100 can be reduced.
- power line communication is often adopted as a communication method in the smart meter network 2A. In that case, the communication device mounted on the smart meter 2 can be unified with a device for power line communication. it can. Thereby, the configuration of the smart meter 2 is further simplified, and the cost of the wireless communication system 100 can be further reduced.
- the HEMS management apparatus 10 of this embodiment is provided in the inside of the distribution board 1, it is located in the place comparatively distant from the household appliances 3.
- FIG. It is normal that home appliances 3 are rarely installed in the vicinity of the distribution board 1. Therefore, noise generated by the home appliances 3 attenuates before reaching the HEMS management device 10. The possibility that the communication quality of the wireless communication device 15 deteriorates due to noise generated by the home appliance 3 can be suppressed.
- FIG. 4 shows a configuration of a wireless communication system according to a modification of the present invention.
- FIG. 5 shows a configuration of a wireless communication apparatus and its surroundings applied to the modified example.
- FIG. 6 shows the configuration of the HEMS controller 310 used in the modification.
- the wireless communication system 300 is different from the wireless communication system 100 in that it includes a distribution board 301 having a power measurement communication device 314 instead of the distribution board 1 and further includes a HEMS controller 310.
- the power measurement communication device 314 includes a function for measuring power consumed in the home, a communication function with the smart meter 2, and a communication function with the HEMS controller 310.
- the power measurement communication device 314 of this embodiment does not have a control function for the home appliance 3 or the like.
- the HEMS controller 310 governs communication with the home appliance 3 and the like via the HEMS network 1A and control of the home appliance 3 and the like. That is, the power measurement communication device 314 in the example of FIG. 5 performs wireless communication with the HEMS controller 310 as illustrated in FIG.
- the HEMS controller 310 communicates with the home electrical appliance 3, the solar power generator 4, the fuel cell 5, the storage battery 6, the electric vehicle 7, and the information processing terminal 8.
- the distribution board 301 is provided with a power measurement communication device 314.
- the power measurement communication device 314 measures power consumed in the home and performs communication such as notification of the measured power amount to the HEMS controller 310.
- the HEMS controller 310 controls power generation by the solar power generator 4 and the fuel cell 5, charging / discharging of the storage battery 6, power consumption by the home appliance 3 and the like.
- the power generation status by the solar power generator 4 and the fuel cell 5, the charging status of the storage battery 6, and the power consumption status by the home appliance 3 can be displayed by the information processing terminal 8.
- the functions and the like of the information processing terminal 8 are the same as in the example of FIG.
- FIG. 5 shows the configuration of the distribution board 301 of this modification.
- the distribution board 301 includes a power measurement communication device 314, a main breaker 11, and a plurality of branch breakers 12.
- the main breaker 11 is connected to the branch breaker 12 via a main line 13 that is a system power line extending from the main breaker 11.
- the main breaker 11 has an input side terminal 11a and an output side terminal 11b.
- the input side terminal 11 a of the main breaker 11 is connected to the smart meter 2 via the power line 30.
- the output side terminal 11 b of the main breaker 11 is connected to the branch breaker 12 and the power measurement communication device 314 via the main line 13.
- Each branch breaker 12 branches from the main line 13 and supplies power to each system wall outlet provided corresponding to each branch breaker 12.
- each branch breaker 12 interrupts the circuit of the system when an overcurrent flows through a load such as the home appliance 3 via the wall outlet of the corresponding system.
- a load such as the home appliance 3 via the wall outlet of the corresponding system.
- the main breaker 11 is activated to shut off all the circuits of the system.
- the power measurement communication device 314 is directly connected to the main line 13 extended from the main breaker 11 and operates by receiving power supply from the main line 13.
- the power measurement communication device 314 is connected to a dedicated branch breaker 12 provided to supply power to the power measurement communication device 314 among the plurality of branch breakers 12 connected to the main line 13. Also good.
- the power measurement communication device 314 is directly connected to the system power supply line inside the distribution board 301 by wire.
- the power measurement communication device 314 includes a power measurement unit 14 and a wireless communication device 15.
- the power measurement unit 14 is connected to the trunk line 13 and measures the power consumed in the house.
- Information on the power measured by the power measurement unit 14 is transmitted to the smart meter 2 via the PLC modem 16 or transmitted to the HEMS controller 310 and the information processing terminal 8 via the transmission unit 18.
- a protocol (first protocol) of wired communication performed between the PLC modem 16 and the smart meter 2
- a protocol (second protocol) of wireless communication between the HEMS controller 310 and the power measurement communication device 314 in the HEMS network 1A.
- the control unit 317 functions as a protocol conversion unit (communication data conversion unit).
- the HEMS controller 310 controls the first communication unit 315 ⁇ / b> A that communicates with the power measurement communication device 314, the second communication unit 315 ⁇ / b> B that communicates with the home appliance 3 and the like, and each unit of the HEMS controller 310. And a control unit 327.
- the first communication unit 315A includes a first transmission unit 318A, a first reception unit 319A, and a first antenna 320A.
- the second communication unit 315B includes a second transmission unit 318B, a second reception unit 319B, and a second antenna 320B.
- control unit 327 transmits information on the home appliances 3 and the like in the HEMS network 1A obtained through the second reception unit 319B to the power measurement communication device 314 through the first transmission unit 318A, Or transmitted to the information processing terminal 8 via the transmission unit 318B.
- information transmitted from the power company and obtained through the power measurement communication device 314 and the first receiving unit 319A is transmitted to the information processing terminal 8 through the second transmitting unit 318B, or based on the information, the HEMS A signal for controlling the home appliances 3 and the like in the network 1A is transmitted from the second transmission unit 318B.
- the control unit 327 uses the HEMS network 1A based on the power consumption measured by the smart meter 2 and the power consumption (power generation amount and power consumption in the HEMS network 1A) measured by the power measurement communication device 314. You may control operation
- the wireless communication protocol (second protocol) between the HEMS controller 310 and the power measurement communication device 314 is different from the wireless communication protocol (third protocol) between the HEMS controller 310 and other devices, control is performed.
- the unit 327 functions as a protocol conversion unit (communication data conversion unit).
- the protocol for wireless communication between the HEMS controller 310 and the power measurement communication device 314 is the same as the protocol for wireless communication between the HEMS controller 310 and other devices, the second communication unit 315B may be omitted. Good.
- a compatibility problem may occur in the process in which the smart meter network 2A and the HEMS network 1A evolve independently of each other.
- the radio communication system 300 shown in FIGS. 4 and 5 as a modification of the radio communication system according to the present invention, the following effects are produced. That is, by absorbing the difference between the communication methods of both networks by the power measurement communication device 314 (absorbing by the control unit 317 as a data conversion unit), it is possible to give freedom to the evolution of each network.
- the power metering communication device 314 appropriately responds so that the specification of the smart meter 2 is hardly affected, thereby hindering the evolution of the HEMS network 1A. There is little fear. The same applies when the communication method of the smart meter network 2A is changed.
- the wireless communication device 15 is configured to be directly connected to the trunk line 13 that is the system power supply line in the distribution board 1 and to operate by receiving power supply from the trunk line 13. As a result, the power supply will not be lost during a peaceful period other than during a power outage.
- the wireless communication device 15 of the present embodiment includes a main body portion of the wireless communication device 15 configured by the PLC modem 16, the control unit 17, the transmission unit 18, the reception unit 19, the power supply unit 21, and the like.
- the structure is covered and protected by the housing 1B. Therefore, even when used for many years, intrusion of dust and the like can be prevented, and the occurrence of a fire due to leakage in the connection portion can be suppressed.
- the present invention is not limited to the configuration of the above-described embodiment, and at least the wireless communication device 15 is directly connected to the trunk line 13 which is a system power line in the distribution board 1 and receives power supply from the trunk line 13. As long as it is configured to operate.
- the present invention can be variously modified.
- the main body portion of the wireless communication device 15 configured by the PLC modem 16, the control unit 17, the transmission unit 18, the reception unit 19, the power supply unit 21, and the like is disposed inside the housing 1B of the distribution board 1.
- the antenna 20 may be configured to be exposed outside the housing 1B of the distribution board 1.
- the radio communication performance with each device in the HEMS network 1A can be enhanced by the antenna 20 disposed outside the housing 1B.
- the housing 1B is made of a metal material, it is possible to suppress a decrease in wireless communication performance due to electrostatic shielding.
- the wireless communication device 15 may be disposed outside the housing 1B of the distribution board 1. In this case, it is preferable that the wireless communication device 15 is disposed in a manner connected to the housing 1 ⁇ / b> B of the distribution board 1. In this case, the present invention can be applied to a distribution board having a small accommodation space. Moreover, the radio
- the communication between the smart meter 2 and the first communication unit 15A may be configured to use radio.
- the PLC modem 16 for power line communication is unnecessary, and a transmission / reception unit for performing wireless communication with the smart meter 2 is provided together with an antenna.
- the transmission unit 18, the reception unit 19 and the antenna 20 of the second communication unit 15B are connected to the first communication. You may be comprised so that it may serve as the part 15A.
- the wireless communication device 15 and the wireless communication system 100 can be widely applied to various wireless communication networks other than the HEMS network 1A. Accordingly, the power measured by the power measuring unit 14 is not limited to the home, but may be power consumed in a predetermined closed area.
Abstract
Description
Claims (10)
- 分電盤内部の系統電源線に有線で接続され、該系統電源線から電力の供給を受けて動作することを特徴とする無線通信装置。 A wireless communication device characterized in that it is connected to a system power line inside the distribution board by wire and operates by receiving power supply from the system power line.
- 前記分電盤の筐体の内部に配設されることを特徴とする請求項1に記載の無線通信装置。 The wireless communication apparatus according to claim 1, wherein the wireless communication apparatus is disposed inside a housing of the distribution board.
- 前記分電盤の筐体の内部に本体部が収容されて、前記筐体の外部にアンテナ部が露出して配設されることを特徴とする請求項1に記載の無線通信装置。 The wireless communication apparatus according to claim 1, wherein a main body is housed inside a casing of the distribution board, and an antenna is exposed outside the casing.
- 前記分電盤の筐体の外部に連接して配設されることを特徴とする請求項1に記載の無線通信装置。 2. The wireless communication apparatus according to claim 1, wherein the wireless communication apparatus is connected to an outside of a casing of the distribution board.
- 請求項1乃至4のいずれか一項に記載の無線通信装置と、通信機能を備え前記系統電源線に接続された電力メータと、を備えたことを特徴とする無線通信システム。 A wireless communication system comprising: the wireless communication device according to any one of claims 1 to 4; and a power meter having a communication function and connected to the system power line.
- 前記無線通信装置は、前記電力メータと通信する第1通信部と、無線電波を介して無線機器と通信する第2通信部と、前記第1通信部と前記第2通信部との間で通信データを相互に通信可能に変換する通信データ変換部と、を有することを特徴とする請求項5に記載の無線通信システム。 The wireless communication device communicates between a first communication unit that communicates with the power meter, a second communication unit that communicates with a wireless device via wireless radio waves, and between the first communication unit and the second communication unit. The wireless communication system according to claim 5, further comprising: a communication data conversion unit that converts data so that they can communicate with each other.
- 前記電力メータと前記第1通信部との通信は、電力線通信であることを特徴とする請求項5又は請求項6に記載の無線通信システム。 The wireless communication system according to claim 5 or 6, wherein communication between the power meter and the first communication unit is power line communication.
- 前記無線通信装置は、所定の領域内で消費される電力を計測し、前記電力メータ及び無線機器と通信する電力計測通信装置に内蔵されていることを特徴とする請求項5乃至請求項7のいずれか一項に記載の無線通信システム。 8. The wireless communication device according to claim 5, wherein the wireless communication device measures power consumed in a predetermined area and is built in a power measurement communication device that communicates with the power meter and a wireless device. The radio | wireless communications system as described in any one.
- 前記無線通信装置は、第1プロトコルを用いて外部と通信を行う第1通信部と、第2プロトコルを用いて無線電波を介して外部機器と通信を行う第2通信部と、前記第1通信部と前記第2通信部との間で通信データを相互に通信可能に変換するデータ変換部と、を備えることを特徴とする請求降1に記載の無線通信装置。 The wireless communication device includes a first communication unit that communicates with the outside using a first protocol, a second communication unit that communicates with an external device via a radio wave using a second protocol, and the first communication. The wireless communication apparatus according to claim 1, further comprising: a data conversion unit that converts communication data between the communication unit and the second communication unit so that they can communicate with each other.
- 請求項9記載の無線通信装置と、前記外部機器で消費される電力を測定する電力計測部と、前記電力計測部での計測結果に基づいて、前記第2通信部を介して前記外部機器の動作を制御する制御部と、を備えることを特徴とする消費電力管理装置。 The wireless communication device according to claim 9, a power measurement unit that measures power consumed by the external device, and a measurement result of the power measurement unit based on a measurement result of the external device via the second communication unit. And a control unit that controls the operation.
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CN201280056215.4A CN103947122A (en) | 2011-11-16 | 2012-11-14 | Wireless communication apparatus, wireless communication system having same, and power consumption management apparatus |
KR1020147016131A KR20140092401A (en) | 2011-11-16 | 2012-11-14 | Wireless communication apparatus, wireless communication system having same, and power consumption management apparatus |
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JP2011251053A JP2013106322A (en) | 2011-11-16 | 2011-11-16 | Radio communication device and radio communication system including the same |
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CN103947122A (en) | 2014-07-23 |
KR20140092401A (en) | 2014-07-23 |
TWI467880B (en) | 2015-01-01 |
TW201328100A (en) | 2013-07-01 |
JP2013106322A (en) | 2013-05-30 |
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