JP2013105248A - Management system, management device, and management program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a management system, a management device, and a management program which can easily manage measurement information even when a measurement apparatus associated with an electrical apparatus has been changed.SOLUTION: Provided is a management system which manages measurement information on power consumption in at least one electrical apparatus. The management system comprises: first storage means for storing measurement information on power consumption in an electrical apparatus that is transmitted from each measurement apparatus associated with each electrical apparatus, for each measurement apparatus in time series; second storage means for storing history information on association between the measurement apparatus and the electrical apparatus; and information output means for, in response to selection of the electrical apparatus, outputting power information of the selected electrical apparatus by extracting the measurement information corresponding to the selected electrical apparatus among pieces of the measurement information stored for each measurement apparatus.

Description

  The present invention relates to a management system, a management apparatus, and a management program for managing measurement information related to power consumption in at least one electrical device.

  In recent years, from the viewpoint of environmental protection and energy problems, efforts have been made to raise awareness of energy saving (hereinafter also referred to as “energy saving”) of electrical equipment (mainly home appliances) used in the home. Energy saving is intended to reduce energy consumption by efficiently using energy or suppressing the consumption of excess energy. As a system for supporting such efforts, HEMS (Home Energy Management System) has been put into practical use. By using such HEMS, home power management and power control can be performed more easily.

  In order to realize energy saving, first, it is necessary to measure the state of power consumption in electrical equipment. There is no problem if the electrical equipment has a means for measuring the state of power consumption, but it is necessary to provide a measuring instrument to measure the state of power consumption of the electrical equipment that has existed in the past. is there.

  As a power management system using such a plurality of measuring devices, for example, Japanese Patent Laid-Open No. 09-084146 (Patent Document 1) is known. The power management system disclosed in Japanese Patent Application Laid-Open No. 09-084146 (Patent Document 1) has a plurality of terminals having communication functions, and each terminal measures the measured power consumption of each home appliance. Output to the controller. In this power management system, the controller uses the data (individual power consumption) from each terminal to change the current power consumption of each home appliance and the hourly transition of the power consumption, Output the amount of power consumption and the amount of power consumption over time.

JP 09-084146 A

  By the way, there is a case where an electric device that uses the same measuring device is changed by replacement / addition of electric devices (home appliances), redesign of a room, or the like. For example, it is assumed that a measuring instrument used for measuring power consumption in a television is used in an audio device from a certain point in time. In such a case, the power management system disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 09-084146 (Patent Document 1) cannot cope with such a change in measuring instrument, and erroneous information is collected and output. There is a possibility that.

  The present invention has been made to solve such a problem, and its purpose is to make it possible to manage measurement information more easily even when a measuring instrument associated with an electric device is changed. A system, a management device, and a management program are provided.

  According to one aspect of the present invention, a management system that manages measurement information related to power consumption in at least one electrical device is provided. The management system includes a first storage unit that stores, in a time series, measurement information regarding power consumption in each electrical device, which is transmitted from each measurement device associated with each electrical device, and the measurement device and the electrical Second storage means for storing history information related to association with the device, and in response to selection of the electric device, measurement information corresponding to the selected electric device among the measurement information stored separately for each measuring instrument. Information output means for outputting power information about the selected electrical device by extraction.

  Preferably, the second storage unit stores, as history information, the time when the association with the measuring device is validated and information for identifying the associated measuring device separately for each electric device.

  Alternatively, preferably, the second storage unit stores, as history information, information for identifying the most recently associated measuring instrument separately for each electric device.

  Preferably, the management system further includes selection accepting means for providing a user interface screen for accepting designation of an associated electrical device for each measuring instrument. The second storage means updates the contents of the history information based on the designation of the electric device received through the selection receiving means.

  According to another aspect of the present invention, a management device that manages measurement information related to power consumption in at least one electrical device is provided. The management apparatus includes a first storage unit that stores, in a time series, measurement information regarding power consumption in each electrical device, which is transmitted from each measurement device associated with each electrical device, and the measurement device and the electrical device. Second storage means for storing history information related to association with the device, and in response to selection of the electric device, measurement information corresponding to the selected electric device among the measurement information stored separately for each measuring instrument. Information output means for outputting power information about the selected electrical device by extraction.

  According to still another aspect of the present invention, there is provided a management program for managing measurement information related to power consumption in at least one electrical device, wherein the management program transmits a computer from a measuring instrument associated with each electrical device. First storage means for storing measurement information relating to power consumption in the electric device in time series for each measuring instrument; and second storage means for storing history information relating to the association between the measuring instrument and the electric equipment; In response to the selection of the electrical device, the measurement information corresponding to the selected electrical device is extracted from the measurement information stored separately for each measuring instrument, so that the power information about the selected electrical device is obtained. It functions as information output means for outputting.

  According to another situation of this invention, the management system which manages the measurement information regarding the power consumption in at least 1 electric equipment is provided. The management system is based on an acquisition means for acquiring measurement information relating to power consumption in the electric device, which is transmitted from each measuring device associated with each electric device, and a correspondence relationship between the measuring device and the electric device set in advance. Storage means for storing the measurement information acquired from each measuring instrument in association with the corresponding electric device in time series.

  Preferably, the management system further includes information output means for outputting power information about each electrical device based on the measurement information stored in the storage means.

  Preferably, the management system further includes selection accepting means for providing a user interface screen for accepting designation of an associated electrical device for each measuring instrument.

  Preferably, the storage unit stores the measurement information together with information for identifying the measuring device as the measurement source.

  According to another situation of this invention, the management apparatus which manages the measurement information regarding the power consumption in at least 1 electric equipment is provided. The management device is based on the correspondence between the measurement device and the electrical device set in advance, and acquisition means for acquiring measurement information related to power consumption in the electrical device, which is transmitted from each measurement device associated with each electrical device. Storage means for storing the measurement information acquired from each measuring instrument in association with the corresponding electric device in time series.

  According to still another aspect of the present invention, a management program for managing measurement information related to power consumption in at least one electrical device is provided. The management program sends a computer to each of the measurement devices associated with each electrical device, and obtains measurement information related to power consumption in the electrical device, and the correspondence between the preset measurement device and the electrical device. Based on the relationship, the measurement information acquired from each measuring instrument is made to function as storage means for storing in time series in association with the corresponding electrical device.

  ADVANTAGE OF THE INVENTION According to this invention, even when the measuring instrument linked | related with an electric equipment is changed, electric power information can be managed more easily.

It is a schematic diagram which shows the whole structure of the electric power system containing the management system according to embodiment of this invention. It is a schematic diagram which shows the hardware constitutions of the display apparatus contained in the management system according to embodiment of this invention. It is a schematic diagram which shows the hardware constitutions of the data storage apparatus contained in the management system according to embodiment of this invention. It is an external view of the measuring device contained in the management system according to the embodiment of the present invention. It is a schematic diagram which shows the hardware constitutions of the measuring device contained in the management system according to embodiment of this invention. It is a figure for demonstrating the subject which embodiment of this invention addresses. It is a figure for demonstrating the subject which embodiment of this invention addresses. It is a figure for demonstrating the outline | summary of the solution means in embodiment of this invention. It is a figure which shows an example of the data structure of the table used in the management system according to Embodiment 1 of this invention. It is a figure for demonstrating the output process of the electric power information in the management system according to Embodiment 1 of this invention. It is a figure which shows the example of a display of the electric power information provided in the management system according to Embodiment 1 of this invention. It is a sequence diagram which shows the process sequence in the management system according to Embodiment 1 of this invention. It is a figure which shows an example of the user interface screen which concerns on the setting change operation provided in the management system according to Embodiment 1 of this invention. It is a figure which shows an example of the user interface screen which concerns on the setting change operation provided in the management system according to Embodiment 1 of this invention. It is a figure which shows an example of the user interface screen which concerns on the setting change operation provided in the management system according to Embodiment 1 of this invention. It is a figure which shows an example of the user interface screen which concerns on the setting change operation provided in the management system according to Embodiment 1 of this invention. It is a figure which shows an example of the user interface screen which concerns on the setting change operation provided in the management system according to Embodiment 1 of this invention. It is a figure for demonstrating the correction process of the measurement information in the management system according to embodiment of this invention. It is a figure which shows an example of the data structure of the log | history information table used in the management system according to the 1st modification of Embodiment 1 of this invention. It is a figure which shows an example of the data structure of the measurement information table used in the management system according to the 2nd modification of Embodiment 1 of this invention. It is a schematic diagram which shows the whole structure of the electric power system containing the home controller according to the 3rd modification of Embodiment 1 of this invention. It is a schematic diagram which shows the hardware constitutions of the home controller according to the 3rd modification of Embodiment 1 of this invention. It is a figure for demonstrating the storage process of the measurement information in the management system according to Embodiment 2 of this invention. It is a figure which shows an example of the data structure of the table used in the management system according to Embodiment 2 of this invention. It is a sequence diagram which shows the process sequence in the management system according to Embodiment 2 of this invention. It is a figure which shows an example of the data structure of the measurement information table used in the management system according to the 1st modification of Embodiment 2 of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same parts are denoted by the same reference numerals. Their names and functions are also the same. Therefore, detailed description thereof will not be repeated.

[A. Overall system configuration]
The management system according to the present embodiment manages measurement information related to power consumption in at least one electrical device. In addition, a solar power generation device, a fuel cell, or the like may be a management target. In this case, the management system according to the present embodiment replaces the measurement information related to power consumption in addition to the measurement information related to power consumption. Measurement information relating to power generation may be managed.

  In the present specification, the measurement information and the power information output based on the measurement information are concepts including various information related to power consumption / power generation in a corresponding electric device. More specifically, the measurement information and the power information include instantaneous power (hereinafter also simply referred to as “power”) exchanged with the corresponding measurement target device (electric device) (unit: W or kW), predetermined It includes a power amount (unit: Wh or kWh) that is an integrated amount of power over a period. Furthermore, the measurement information and the power information in this specification are physical quantities that are directly or indirectly related to power consumption / power generation in the corresponding measurement target device (electric device), for example, voltage, current, temperature, humidity, illuminance. In addition, the instantaneous flow rate and cumulative usage amount of fuel such as brightness and gas, and the instantaneous flow rate and cumulative usage amount of fluid such as water may be included. Among these physical quantities, voltage and current are directly related to electric power or electric energy, temperature and humidity are related to electric power consumed by, for example, an air conditioner, and illuminance and luminance are related to, for example, a lighting fixture. It is related to the power consumed by. The instantaneous flow rate and accumulated usage amount of fuel are related to the amount of heat generated by the combustion, and further to the electric power consumed by the air conditioner or the like as the room temperature rises due to the amount of heat. Alternatively, when the fuel is supplied to a fuel cell or the like, the instantaneous flow rate and the accumulated usage amount of the fuel are related to the generated power or the generated power amount. In addition, the instantaneous flow rate and accumulated usage of fluids such as water are typically related to the amount related to work such as housework, and are consumed by washing machines or dishwashers that support work such as housework. Also related to electricity. Of course, in addition to the physical quantities described above, various types of physical quantities can be managed in accordance with the electrical equipment existing at the application destination.

  Hereinafter, a power system including one or a plurality of electric devices used in a house will be described as an example, but the present invention is not applied only to such a power system. That is, the present invention can be applied to any configuration as long as measurement information is obtained using a measuring instrument.

  In the present specification, the electric device is a concept including both a device that operates with electric power supplied from the outside and a device that generates electric power with some energy. Houses include houses and offices.

  FIG. 1 is a schematic diagram showing an overall configuration of a power system 1 including a management system 2 according to an embodiment of the present invention. Referring to FIG. 1, power system 1 according to the present embodiment is installed in a house such as a house or an office. More specifically, the power system 1 includes a plurality of home appliances as electric devices that consume power. Although not limited to these in FIG. 1, as home appliances, an air conditioner (air conditioner) 200 </ b> A, a television 200 </ b> B, a microwave oven 200 </ b> C, a refrigerator 200 </ b> D, and a lighting fixture 200 </ b> E installed in a house. These are also collectively referred to as “electrical device 200”. Power system 1 also includes a solar power generation device 200X as an electric device that generates electric power, and a storage battery 200Y that stores and discharges electric power. Storage battery 200Y may be installed in a house or the like, or may be a storage battery for automobiles that is also used as a storage battery for housing.

  Furthermore, the power system 1 is connected to a plurality of home appliances, a photovoltaic power generation device 200X, a storage battery 200Y, and a power system (such as commercial power provided by an electric power company), and a power conditioner 200Z for controlling each power. including. The power conditioner 200Z balances the generated power from the solar power generation device 200X, the charge / discharge power with the storage battery 200Y, and the purchased power from the power system from the viewpoint of efficiency, and then electric power is supplied via the power line 402. Power is supplied to the device 200.

  The management system 2 included in the power system 1 includes a management system 2 for monitoring and controlling the measuring instruments 400A to 400E, the photovoltaic power generation apparatus 200X, the storage battery 200Y, the power conditioner 200Z, and the like associated with the electric device 200. Including. The management system 2 performs data communication with the measuring devices 400A to 400E, the solar power generation device 200X, the storage battery 200Y, the power conditioner 200Z, and the like associated with the electric device 200 via the wired or wireless network 401. Is possible.

  An arbitrary network can be used as the network 401. For example, Ethernet (registered trademark), PLC (Power Line Communications), or the like can be used as long as it is a wired network. In addition, for a wireless network, for example, a wireless local area network (LAN), ZigBee (registered trademark), Bluetooth (registered trademark), an infrared communication method, or the like conforming to the IEEE 802.11 standard can be used. Further, a plurality of communication methods may be combined.

  The measuring device 400 is associated with one of the electric devices 200, measures information regarding power consumption in the associated electric device 200, and transmits the measurement information to the management system 2. Typically, as the measuring instrument 400, a so-called power measuring device is used that is disposed between the power line 402 and the plug of the electric device 200 and measures the state of power consumption.

  In the example shown in FIG. 1, five measuring devices 400 </ b> A to 400 </ b> E are electrically connected to the power line 402. Plug 250A of air conditioner 200A is connected to measuring instrument 400A, plug 250B of television 200B is connected to measuring instrument 400B, and plug 250C of microwave oven 200C is connected to measuring instrument 400C. The plug 250D of the refrigerator 200D is connected to the measuring device 400D, and the plug 250E of the lighting fixture 200E is connected to the measuring device 400E. Therefore, measuring instruments 400A-400E acquire measurement information about power consumption in air conditioner 200A, television 200B, microwave oven 200C, refrigerator 200D, and lighting fixture 200E, respectively.

  The management system 2 includes a data storage device 300 and a display device 100. The data storage device 300 stores measurement information related to power consumption transmitted from the measuring device 400 associated with each electric device 200. The display device 100 provides a user interface that presents to the user the state of power consumption / generation in the power system 1 and accepts instructions regarding power management in the power system 1 from the user. Further, the display device 100 displays a graph related to power consumption based on measurement information related to power consumption stored in the data storage device 300. The display device 100 may be a portable type, may be detachable from a base disposed on a table, or may be fixed to a wall of a room. Although FIG. 1 shows a configuration example in which a plurality of display devices 100 are provided, even if there is only one display device 100, functions and processes according to this embodiment can be provided.

  FIG. 1 illustrates a management system 2 in which the display device 100 and the data storage device 300 are separate. However, a management device in which these functions are integrated as a single device (for example, a home controller). You may implement as. Such an implementation example will be described later.

[B. Device configuration]
Next, a hardware configuration of main devices constituting the power system 1 shown in FIG. 1 will be described.

(B1: display device 100)
FIG. 2 is a schematic diagram showing a hardware configuration of display device 100 included in management system 2 according to the embodiment of the present invention. Referring to FIG. 2, display device 100 includes a CPU (Central Processing Unit) 101, touch panel 102 including display 103 and tablet 104, operation buttons 105, communication interface 106, output interface 107, and input interface 108. A hard disk 109, a memory 110, and a speaker 111.

  The CPU 101 is a processing entity that controls the entire processing in the display device 100, and provides various functions as described later by executing a program stored in advance in the memory 110 or the like. In response to a user operation input from the tablet 104 or the operation button 105, the CPU 101 executes a process instructed by the user operation. Such instructions include instructions for operation / stop for the electric device 200, instructions for changing the control mode for the power conditioner 200Z, instructions for displaying the current or past power management state, and the like.

  The touch panel 102 is a device that provides a user interface, presents various types of information to the user in accordance with instructions from the CPU 101, and outputs instructions input from the user to the CPU 101. More specifically, the display 103 includes, for example, an LCD (Liquid Crystal Display) or an organic EL (Electro Luminescence) display, and displays an image on its display surface. The tablet 104 detects a touch operation with a user's finger or the like, and outputs a coordinate value indicating a position where the touch operation is performed to the CPU 101. In the present embodiment, a tablet 104 is provided in association with the display surface of the display 103. However, the display device 100 does not necessarily include a touch panel, and may be any information that can be presented to the user.

  The operation buttons 105 are input means for accepting user operations, and typically one or a plurality of buttons are arranged on the surface of the display device 100. Typically, the operation button 105 includes a plurality of buttons and keys such as a determination button, a return button, a direction button, and a numeric keypad. When the operation button 105 receives a user operation, the operation button 105 outputs information indicating the user operation to the CPU 101.

  The communication interface 106 performs data communication with the data storage device 300, the measuring device 400, the solar power generation device 200X, the storage battery 200Y, the power conditioner 200Z, and the like according to instructions from the CPU 101. More specifically, the communication interface 106 includes the Ethernet (registered trademark), the PLC (Power Line Communications), the wireless LAN (Local Area Network) conforming to the IEEE 802.11 standard, the ZigBee (registered trademark), as described above. Bluetooth (registered trademark), an infrared communication system, or the like is used.

  The output interface 107 mediates exchange of internal commands between the CPU 101 and the display 103. The input interface 108 mediates exchange of internal commands between the tablet 104 and / or the operation buttons 105 and the CPU 101.

  The hard disk 109 stores various data necessary for information processing in the display device 100. Details of the various data will be described later.

  The memory 110 is realized by a RAM (Random Access Memory) that is a volatile storage device, a ROM (Read-Only Memory) that is a nonvolatile storage device, and the like. Store the necessary work data.

  The speaker 111 is an audio device, and outputs audio according to a command from the CPU 101. The clock 112 is a time measuring means and responds to the CPU 101 with the current date and time according to a command from the CPU 101.

  The hard disk 109 and / or the memory 110 may be realized using a storage medium connected via a communication interface. As such storage media, semiconductor memories such as flash memory, mask ROM, EPROM (Electronically Programmable Read-Only Memory), EEPROM (Electronically Erasable Programmable Read-Only Memory), IC (Integrated Circuit) card, CD-ROM (Compact Disc-Read Only Memory) and optical disc storage media such as DVD-ROM (Digital Versatile Disk-Read Only Memory), magneto-optical disc storage media such as MO (Magnetic Optical Disc) and MD (Mini Disc), FD ( Magnetic storage media such as Flexible Disk), magnetic tape, and cassette tape can be used.

  Information processing in the display device 100 is realized by the CPU 101 executing a program in cooperation with peripheral hardware components. Generally, such a program is installed in advance in the memory 110 or the like.

  Such a program can be provided by being stored and distributed in an arbitrary storage medium. Alternatively, such a program can be provided by downloading from a server device (or other device) connected to the Internet or the like. That is, the program stored in the storage medium is read out, or the program is acquired by downloading from the server device and temporarily stored in the memory 110 or the like. The CPU 101 expands the program stored in the memory 110 into an executable format and then executes the program. Storage media for storing such programs include semiconductor memory media such as flash memory, mask ROM, EPROM, EEPROM, and IC card, optical disk storage media such as CD-ROM and DVD-ROM, and optical media such as MO and MD. Magnetic storage media such as magnetic disk storage media, FD, magnetic tape, cassette tape, etc. can be used.

  Furthermore, instead of installing the program in advance in the memory 110 or the like, the CPU 101 may read and execute a program stored in another system or apparatus.

  Furthermore, after a program read from a storage medium or the like is written to a memory or the like mounted on a function expansion board or function expansion unit mounted on the computer, it is stored in the function expansion board or function expansion unit according to the program. The function according to the present embodiment may be realized by performing all or a part of the necessary processing by a mounted arithmetic unit (CPU or the like).

  Furthermore, not only the functions according to the present embodiment are realized by the CPU 101 executing the program, but also all or part of the processing required by the OS (operating system) executed on the computer according to the program. By performing the above, the function according to the present embodiment may be realized.

  When the function according to the present embodiment is realized by the software as described above, the program itself read from the storage medium or the like, or the storage medium storing the program constitutes one embodiment of the present invention. Become.

  In this specification, the program includes not only a program that can be directly executed by the CPU 101 but also a program in a source program format, a compressed program, and an encrypted program.

(B2: data storage device 300)
FIG. 3 is a schematic diagram showing a hardware configuration of data storage device 300 included in management system 2 according to the embodiment of the present invention. Referring to FIG. 3, data storage device 300 includes a CPU 301, a hard disk 302, a memory 303, a communication interface 304, and a clock 305.

  The CPU 301 is a processing entity that controls the overall processing in the data storage device 300, and provides various functions as will be described later by executing a program stored in advance in the memory 303 or the like.

  The hard disk 302 stores measurement information related to power consumption transmitted from the measuring devices 400A to 400E. Details of the measurement information storing process will be described later.

  The memory 303 is realized by a RAM that is a volatile storage device, a ROM that is a nonvolatile storage device, or the like, and stores a program executed by the CPU 301 and work data necessary for execution of the program by the CPU 301.

  The communication interface 304 performs data communication with the display device 100, the data storage device 300, the measuring device 400, the solar power generation device 200X, the storage battery 200Y, the power conditioner 200Z, and the like according to instructions from the CPU 301. Details thereof are the same as those of communication interface 106 (FIG. 2) described above, and thus detailed description thereof will not be repeated.

  The clock 305 is a time measuring unit, and responds to the CPU 301 with the current date and time according to a command from the CPU 301.

  As described with respect to the hard disk 109 and / or the memory 110 shown in FIG. 2, the hard disk 302 and / or the memory 303 may be realized using a storage medium connected via a communication interface. Here, detailed description of the storage medium will not be repeated.

  Information processing in the data storage device 300 is realized by the CPU 301 executing a program in cooperation with peripheral hardware components. Generally, such a program is installed in advance in the memory 303 or the like. Since such a program distribution and processing at the time of execution are the same as those of the program directed to the display device 100 described above, detailed description thereof will not be repeated.

(B3: measuring device 400)
FIG. 4 is an external view of measuring instrument 400 included in management system 2 according to the embodiment of the present invention. Here, FIG. 4A shows a perspective view including the socket 4001 of the measuring instrument 400, FIG. 4B shows a side view of the measuring instrument 400, and FIG. A perspective view including a plug 4002 of the container 400 is shown. FIG. 5 is a schematic diagram showing a hardware configuration of measuring instrument 400 included in management system 2 according to the embodiment of the present invention.

  Referring to FIGS. 4A to 4C, measuring instrument 400 is arranged to be inserted between a socket for supplying power flowing through power line 402 and a plug of electric device 200. . More specifically, referring to FIG. 4A, a plug insertion socket 4001 is provided on the surface 4051 of the measuring instrument 400. On the other hand, referring to FIG. 4B and FIG. 4C, a plug 4002 is provided on a surface 4053 which is a surface opposite to the surface 4051 of the measuring device 400. The socket 4001 is plugged into the electric device 200 and the plug 4002 is plugged into a socket (outlet / outlet) for supplying power via a power line 402 provided in the house.

  Since the measuring device 400 is preferably as thin as possible, the thickness of the side surface 4052 is designed to be as small as possible.

  On the surface 4051 of the measuring instrument 400, an LED 4041 and a setting button 4042 are further provided. The LED 4041 displays a data processing state in the measuring device 400. More specifically, the LED 4041 varies the presence / absence of lighting, the presence / absence / cycle of blinking, the emission color, and the like according to the data processing state. The setting button 4042 is an input means for accepting a user operation. When the setting button 4042 is operated by the user, an initial setting in the measuring instrument 400 is started.

  Referring to FIG. 5, measuring instrument 400 includes, in addition to socket 4001, plug 4002, LED 4041, and setting button 4042, a pair of main wirings 4004 and 4005 that electrically connect socket 4001 and plug 4002, A shunt resistor 4003 inserted in the wiring 4005, a power supply unit 4007, a power detection unit 4010, a communication module 4020, and an antenna 4030 are included.

  The power detection unit 4010 detects power flowing from the plug 4002 to the socket 4001. More specifically, the power detection unit 4010 includes a voltage input ADC (Analog to Digital Converter) 4011, a current input ADC 4012, a multiplier 4013, and a digital / frequency conversion unit 4014.

  Voltage input ADC 4011 is connected to main wirings 4004 and 4005 via wirings V1P and V1N, respectively. The voltage input ADC 4011 outputs a digital signal indicating a voltage (potential difference) generated between the main wirings to the multiplier 4013.

  The current input ADC 4012 is electrically connected to both ends of the shunt resistor 4003 inserted in the main wiring 4005 via the wirings V2P and V2N. The shunt resistor 4003 is a minute (several hundred micro Ω) resistor used for measuring a flowing current value. The current input ADC 4012 outputs a digital signal indicating the current value of the current flowing through the shunt resistor 4003 to the multiplier 4013.

  The multiplier 4013 multiplies the digital signal (voltage value) from the voltage input ADC 4011 by the digital signal (current value) from the current input ADC 4012, and a value obtained as a result (power consumption / unit: W or kW). Is output to the digital / frequency converter 4014.

  The digital / frequency converter 4014 converts the digital signal from the multiplier 4013 into a frequency signal, and outputs the resulting frequency signal to the communication module 4020.

  The power supply unit 4007 supplies power to each component of the measuring device 400. The power supply unit 4007 is connected to the main wirings 4004 and 4005, and uses part of the power flowing from the plug 4002 to the socket 4001 as power for operation of the measuring device 400. The power supply unit 4007 converts the AC power into DC power, and then supplies the DC power to the power detection unit 4010 and the communication module 4020.

  The communication module 4020 transmits a radio signal indicating the power consumption in the electric device connected to the socket 4001 calculated by the power detection unit 4010 via the antenna 4030. More specifically, the communication module 4020 includes a CPU 4021, a ROM 4022, a RAM 4023, a GPIO (General Purpose Input / Output) 4024, and a wireless RF (Radio Frequency) unit 4025.

  The GPIO 4024 receives the frequency signal input from the digital / frequency conversion unit 4014 and outputs information on the frequency signal to the CPU 4021.

  The CPU 4021 converts the frequency signal information from the GPIO 4024 according to a predetermined logic, and outputs the result to the wireless RF unit 4025. The wireless RF unit 4025 generates a wireless signal by modulating a carrier wave based on a data conversion result from the CPU 4021. A wireless signal generated by the wireless RF unit 4025 is transmitted via the antenna 4030.

  The CPU 4021 implements the processing as described above by executing a program stored in the ROM 4022 in advance. The RAM 4023 stores work data necessary for the CPU 4021 to execute the program.

[C. Task]
Next, problems to be addressed by management system 2 according to the present embodiment will be described.

  FIG. 6 and FIG. 7 are diagrams for explaining a problem that the embodiment of the present invention addresses.

  For example, the electrical device 200 connected to the same measuring device 400 may be changed by replacement / additional purchase of the electrical device 200 or a redesign of a room. With reference to FIG. 6, for example, a case where the connection destination of the television 200B is changed to the measuring device 400C by changing the installation position of the television 200B connected to the measuring device 400B can be considered.

  In addition, as described above, measuring instrument 400 is disposed between a socket (outlet / outlet) for supplying electric power provided in a house or the like and a plug of electric device 200, so that electric power in electric device 200 is supplied. Since information on consumption can be easily measured, the arrangement position of the measuring device 400 can be determined relatively freely. Therefore, when looking at a certain measuring instrument 400, the electrical device 200 to be measured may be frequently changed.

  On the other hand, the measurement information transmitted from the measuring device 400 basically does not include information for specifying the electrical device 200 to be measured. That is, in general, the measuring instrument 400 does not have information for identifying the connected electric device 200.

  In the conventional system, it is not possible to cope with a case where the electric device 200 connected to the measuring device 400 is changed. In other words, in the conventional system, information on the electrical equipment connected to each measuring device may have been set, but when which electrical equipment 200 was connected to which measuring device 400, etc. The information is not held, and therefore there is a possibility that incorrect information is output to the user.

  For example, consider a case where the electrical equipment connected to the three measuring instruments A to C is changed as shown in FIG. In FIG. 7, it is assumed that a refrigerator is connected to the measuring device A until 17:50 of 2011/7/2, and a television is connected thereafter.

  When the history of the electric device 200 connected to the measuring device A is not properly managed, for example, at the “current” stage, information on power consumption (for example, a graph showing temporal transition of power consumption) Etc.), incorrect information will be displayed. That is, the information measured about the refrigerator is mixed in the television graph. Or the information measured about the television may mix in the graph about a refrigerator.

[D. Summary of solution]
The management system 2 according to the present embodiment solves the problem of mixing measurement information as described above by appropriately managing the association between the measuring device 400 and the electric device 200. The following two approaches are considered to solve such problems.

  FIG. 8 is a diagram for explaining the outline of the solving means in the embodiment of the present invention. FIG. 8A shows the first approach, and FIG. 8B shows the second approach.

  Referring to FIG. 8A, as a first approach, the measurement information is stored in time series separately from the measuring device 400 (measurement information table 350), and the history regarding the association between the measuring device 400 and the electric device 200 is stored. Information is held (history information table 150). And when the output of the electric power information regarding any of the electric devices 200 is requested, the selected information is extracted by referring to the contents of the history information table 150 and extracting the necessary measurement information from the measurement information table 350. In addition, power information related to the electrical device 200 is generated and output.

  In this way, by storing the measurement information measured by the measuring device 400 in the measurement information table 350 as it is, even if there is an error in the association between the measuring device 400 and the electric device 200 (measurement target device), It becomes possible to deal with it. In addition, it is possible to cope with cases where the entities that manage the measurement information table 350 and the history information table 150 are the same or different. For example, a configuration in which the data storage device 300 holds the measurement information table 350 and the display device 100 holds the history information table 150 can be adopted.

  Referring to FIG. 8B, as a second approach, measurement information transmitted from each measuring device 400 is stored in time series in association with the electric device 200 (measurement information table 370). In order to generate such a measurement information table 370, a correspondence relationship (correspondence relationship table 360) between the measuring device 400 and the electric device 200 (measurement target device) is set in advance, and the correspondence relationship table 360 is referred to. Then, the measurement information transmitted from each measuring instrument 400 is sequentially stored in the measurement information table 370. When output of power information related to any of the electrical devices 200 is requested, power information related to the selected electrical device 200 is generated and output based on the measurement information table 370.

  By using such a correspondence table 360, management of measurement information can be facilitated.

  Hereinafter, the first embodiment which is a more specific implementation example of the first approach and its modification example, and the second embodiment which is a more specific implementation example of the second approach and its modification example will be described in detail. To do.

[E. Embodiment 1]
(E1: Overview)
The management system 2 according to the first embodiment of the present invention manages power related to power consumption in at least one electric device 200. The management system 2 has a function (measurement information table 350 for storing measurement information regarding power consumption in the electric device 200 transmitted from the measuring device 400 associated with each electric device 200 in time series separately for the measuring device 400. ) And a function (history information table 150) for storing history information related to the association between the measuring instrument and the electric device. As an example, in the management system 2 shown in FIG. 1, the data storage device 300 manages the measurement information table 350 and the display device 100 manages the history information table 150. Furthermore, the management system 2 responds to the selection of the electric device 200 by the user or the like, and among the measurement information (measurement information table 350) stored separately for the measuring device 400, the measurement corresponding to the selected electric device 200 is performed. By extracting information, it has a function of outputting power information about the selected electrical device 200. The function of outputting power information may exist in either one or both of the display device 100 and the data storage device 300. Hereinafter, a configuration in which the display device 100 has a function of outputting power information will be described as a typical configuration.

(E2: Data structure)
FIG. 9 shows an example of the data structure of a table used in management system 2 according to the first embodiment of the present invention. FIG. 9A shows an example of the measurement information table 350, and FIG. 9B shows an example of the history information table 150.

  The data storage device 300 stores measurement information regarding power consumption in each electric device 200 in time series separately from the measuring device 400. That is, measurement information is sequentially stored in the measurement information table 350 shown in FIG. 9A separately from the measuring device 400 at predetermined time intervals. More specifically, the measurement information table 350 includes a column 3501 that stores identification information of the measuring device 400 and a column 3502 that sequentially stores measurement information transmitted from the corresponding measuring device 400.

  A column 3501 stores information for identifying each measuring instrument 400 under the management system 2. FIG. 9A shows an example in which the name of the measuring device 400 is stored in the column 3501, but a network address (MAC address or IP address) may be used.

  In column 3502, the measurement information transmitted from each measuring device 400 is sequentially stored in a row corresponding to the measuring device 400 that is the transmission source of the measurement information. That is, measurement information A (t1) measured at measuring device A at time t1 is stored in a row corresponding to measuring device A, and measurement information A (t2) measured at measuring device A at time t2 is stored. Stored in subsequent columns of the same row. The measurement information measured by other measuring devices 400 is also stored in the same manner.

  The history information table 150 illustrated in FIG. 9B stores history information indicating when each electrical device 200 (measurement target device) is connected to which measuring device 400. That is, the history information table 150 stores the time when the association with the measuring device 400 is validated and the information for identifying the associated measuring device 400 separately for each electric device 200.

  More specifically, the history information table 150 corresponds to a column 1501 that stores identification information of the electric device 200 (measurement target device), and a column 1502 that indicates the date and time when the connection of the corresponding electric device 200 was started. It includes a column 1503 indicating the date and time when the connection of the electric device 200 is completed, and a column 1504 that stores identification information of the measuring instrument 400 to which the corresponding electric device 200 is connected. As shown in the column of “Measurement target device 1” in FIG. 9B, each time the connection destination of the same electrical device 200 (measurement target device) is changed, the contents related to the change (connection destination The identification information, connection start date and time, and connection end date and time of the measuring device 400 are updated.

  As described above, the management system 2 according to the present embodiment stores history information related to the association between the measuring instrument 400 and the electric device 200.

  Note that the management system 2 according to the present embodiment only needs to be able to hold the data stored in the measurement information table 350 and the history information table 150 described above, and thus is not limited to the data structure shown in FIG. can do. A single device may store both the measurement information table 350 and the history information table 150.

(E3: Measurement information)
In management system 2 according to the present embodiment, power information about electric device 200 selected by the user is output using measurement information table 350 and history information table 150, but before that, measurement is performed by measuring instrument 400. Measurement information and its transmission method will be described.

  As described with reference to FIG. 5, the measuring device 400 basically measures the power consumption (instantaneous power consumption (unit: W or kW)) consumed by the connected electrical equipment. By integrating the instantaneous power consumption over a predetermined time, the power consumption amount (unit: Wh or kWh) of the electric device is calculated.

  The display device 100 can display both the instantaneous power consumption and the power consumption amount in each electric device. Furthermore, it is also possible to group a plurality of electric devices and display the instantaneous power consumption and power consumption for the entire group.

  Therefore, an example of mounting measurement information about the corresponding electrical device 200 transmitted from the measuring device 400 is as follows (however, it is not limited to the following example).

  (1) The measuring device 400 periodically accumulates the instantaneous power consumption in the electric device 200 over the transmission cycle, thereby periodically transmitting the power consumption amount for each transmission cycle as measurement information. That is, the amount of electric power (unit: Wh or kWh) consumed by the electric device 200 between the previous transmission and the current transmission is transmitted every predetermined period.

  (2) The measuring device 400 measures the instantaneous power consumption (unit: W or kW) in the electric device 200 at every predetermined period (for example, every second), and the measured moment at the same transmission period as the measurement period. Power consumption is transmitted as measurement information.

  (3) The measuring device 400 measures the instantaneous power consumption in the electric device 200 at every predetermined period (for example, every second), and the transmission period is longer than the measurement period and between the previous transmission and the current transmission. A plurality of measured instantaneous power consumptions are transmitted as measurement information.

  (4) The measuring device 400 measures the instantaneous power consumption in the electric device 200 at every predetermined period (for example, every second), and the transmission period is longer than the measurement period and between the previous transmission and the current transmission. An average instantaneous power consumption obtained by averaging a plurality of measured instantaneous power consumptions is transmitted as measurement information.

  (5) In (3) or (4), measurement including power consumption obtained by integrating a plurality of instantaneous power consumptions measured from the previous transmission to the current transmission together with instantaneous power consumption or average instantaneous power consumption Send information. Further, an average value, minimum value, maximum value, etc. of a plurality of instantaneous power consumption may be added.

  Although the time information acquired by the measuring device 400 by some means may be added to the measurement information, generally, when the data storage device 300 receives the measurement information, the time at that time is acquired from the clock 305. And stored in the measurement information table 350 in association with the received measurement information.

  An arbitrary protocol can be adopted for exchanging measurement information between the data storage device 300 and the measuring device 400. Typically, a configuration is adopted in which the measuring device 400 broadcasts a packet including its own measurement result and the data storage device 300 receives this packet. However, the data storage device 300 may periodically poll each measuring device 400.

(E4: Output process of power information)
Next, processing for outputting power information will be described using the measurement information table 350 and the history information table 150 shown in FIG. FIG. 10 is a diagram for describing output processing of power information in management system 2 according to the first embodiment of the present invention.

  FIG. 10A schematically shows the types of measurement information stored in the measurement information table 350. As an example, the measurement target device 1 is connected to the measuring device A until 23:45 of 20111/2/1, and thereafter the measurement target device 2 is connected until 17:50 of 2011/7/2. Thereafter, it is assumed that the measurement target device 1 is connected again until now. Further, it is assumed that the measurement target device 1 is connected to the measuring device B from 23:45 of 20111/2/1 to 10:05 of 2011/4/15. Further, it is assumed that the measurement target device 3 is connected to the measuring device C from 10:05 of 2011/4/15 to the present.

  As described above, the history information table 150 holds history information indicating a history relating to the association between the measuring device 400 and the electric device 200 as illustrated in FIG. The display device 100 refers to the history information stored in the history information table 150, extracts measurement information for a necessary period from the measurement information table 350, and outputs power information.

  FIG. 10B shows a procedure for generating power information for each of the measurement target devices 1 to 3. In the example illustrated in FIG. 10, for example, for the measurement target device 1, the measurement information from 23:45 of 20111/2/1 to 10:05 of 2011/4/15 stored in association with the measuring device B The power information is generated using the measurement information from 2011/7/2 17:50 to the present stored in association with the measuring device A. The same applies to the other measurement target devices 2 and 3.

Next, an example of output power information will be described.
FIG. 11 is a diagram showing a display example of power information provided in the management system 2 according to the first embodiment of the present invention. A power information display screen 600 shown in FIG. 11 is displayed on the touch panel 102 of the display device 100. The display screen 600 includes a graph 602 showing a history of power consumption for the designated electrical device 200 over a period designated by the user. This graph 602 shows the power consumption for the electric device 200 selected by the user operating the selection icon 610. In addition, the power consumption for the period selected by the user operating the period icon 606 is shown.

  Display screen 600 includes buttons 614, 616, and 618 for selecting a display period. Buttons 614, 616, and 618 designate “day”, “month”, and “year”, respectively. “Day” indicates the temporal change in power consumption during the designated day, “Month” indicates the temporal change in power consumption during the designated January, and “Year” , Shows the temporal change in power consumption during the specified year. The display content of the period icon 606 is also updated according to the period selected by the buttons 614, 616, and 618.

  Furthermore, when the user selects the comparison instruction icon 608, the power consumption for the plurality of electric devices 200 is displayed in a graph on the same time axis. At this time, different colors, patterns, etc. are attached so that each electric device 200 can be distinguished (compared).

  The display screen 600 also includes a status display 604 that indicates the power supply and demand status in the current power system 1. Further, when the user selects the button 612, the current power consumption and power consumption for the designated electrical device are displayed.

  The power information can be output (presented) to the user in various forms based on the measurement information measured by the measuring device 400, not limited to the display screen 600 as described above. In addition to the display on the screen, the power information output mode may be information transmission by e-mail, information disclosure by the Web, print output to a paper medium by a printer, or the like.

(E5: processing procedure)
Next, a processing procedure in management system 2 according to the present embodiment will be described.

  FIG. 12 is a sequence diagram showing a processing procedure in management system 2 according to the first embodiment of the present invention. Referring to FIG. 12, each of one or a plurality of measuring instruments 400 measures information related to power consumption in the connected electric device 200 (step S10), and stores the measurement information acquired by the measurement as data. It transmits to the apparatus 300 (step S12). The data storage device 300 stores the measurement information received from each measuring device 400 in time series separately for each measuring device 400 (step S14). The processes in steps S10 to S14 are repeated every predetermined period or every predetermined condition.

  Thereafter, it is assumed that the user changes the electric device 200 connected to any of the measuring devices 400 (step S20). At this time, the user performs a setting change operation associated with this change on the display device 100 (step S22). Then, the display device 100 updates the contents of the history information table 150 according to the setting change operation performed by the user (step S24). Even during and after the change of the contents of the history information table 150, the processing of steps S10 to S14 is repeated for each predetermined period or for each predetermined condition.

  Thereafter, it is assumed that the user performs an operation for requesting output of power information on the display device 100 (step S30). This requesting operation includes selection of an electric device 200 (measurement target device) to which power information is output. In response to the requested operation, the display device 100 refers to the history information table 150 to search for history information about the selected electrical device 200, and based on the history information obtained as a result of the search, Of the measurement information for each measuring instrument 400 stored in the data storage device 300, the required measurement information is requested (step S32). The data storage device 300 extracts necessary measurement information from the measurement information table 350 according to the requested measurement information, and transmits it to the display device 100 (step S34). Based on the measurement information received from the data storage device 300, the display device 100 outputs power information about the electrical device 200 selected by the user (step S36).

  When the user requests the display device 100 to output another power information, the requested power information is created and output by the same processing as described above.

(E6: Setting change operation)
Next, an example of a setting change operation executed when the electric device 200 connected to the measuring device 400 is changed will be described.

  The management system 2 according to the present embodiment provides a user interface screen for accepting designation of the associated electric device 200 for each measuring device 400. 13 to 17 are diagrams showing an example of a user interface screen related to a setting change operation provided in the management system 2 according to the first embodiment of the present invention.

  When the user requests the display device 100 to start setting change, a user interface screen 650 as shown in FIG. 13 is presented on the touch panel 102. The user interface screen 650 displays a list of measuring instruments 400 that can communicate with the management system 2 (displayed as “power measuring device” in FIG. 13), and an identification number for each measuring instrument 400 ( In the example shown in FIG. 13, the MAC address), the associated electric device 200, and its installation location are displayed.

  The user interface screen 650 includes a replacement button 661, a setting button 662, a delete button 663, and a completion button 664.

  When the user selects the replacement button 661, the information on the associated electric device 200 is switched between the two selected measuring instruments 400 among the measuring instruments 400 displayed in the list (about the user interface for selection). Is not shown). Therefore, it is more convenient when the electric device 200 connected to each other is exchanged between the two measuring devices 400.

  When the user selects the setting button 662, a series of setting operations shown in FIGS. 14 to 17 can be performed. In the example with reference to FIGS. 14 to 17 described later, a setting operation in the case of performing a setting operation on the third measuring device 400 that is not associated with any electric device 200 will be described.

  When the user selects the delete button 663, the setting information of the electric device 200 associated with the pre-selected measuring instrument 400 is deleted. When the user selects the completion button 664, the user exits the setting change mode and returns to the menu screen.

  In the user interface screen 650 shown in FIG. 13, when the user selects the third measuring device 400 displayed as a list and selects the setting button 662, the screen transitions to the user interface screen 651 shown in FIG.

  On the user interface screen 651, input of the floor on which the electric device 200 connected to the selected measuring instrument 400 is installed is requested. In the example shown in FIG. 14, the first floor (1F) to the fifth floor (5F) and the rooftop are listed as options. For example, when the user selects the first floor (1F), the screen transitions to a user interface screen 652 shown in FIG.

  The user interface screen 652 requires input of a room (area) where the electric device 200 connected to the selected measuring instrument 400 is installed. In the example shown in FIG. 15, the entrance, the living room, the kitchen, the dining room, the study, and the children's room are listed as options. For example, when the user selects a child room, the screen transitions to a user interface screen 653 shown in FIG.

  On the user interface screen 653, input of the type of the electric device 200 connected to the selected measuring instrument 400 is requested. In the example shown in FIG. 16, a list of TVs, air conditioners, lights, recorders, and microwave ovens is displayed as options. For example, when the user selects lighting, a series of setting change operations is completed. Then, as shown in FIG. 17, the user interface screen 654 presents that information about the electric device 200 input by a series of operations is associated with the third measuring device 400.

  When the association between any of the measuring devices 400 and the electric device 200 is changed by the setting change operation as described above, the display device 100 stores the contents of the change in the history information table 150 together with the time when the change is made. To do.

(E7: correction process)
As described above, the measurement information transmitted from the measuring device 400 basically includes the power consumption (instantaneous power consumption (unit: W or kW)) consumed by the connected electrical device 200. In such a case, the power consumption is sequentially stored in the measurement information table 350. By using such a measurement information table 350, it is possible to display a graph 602 as shown in FIG. 11 using information stored therein as it is.

  On the other hand, when transmitting the integrated amount of power consumption (power consumption (unit: Wh or kWh)) in the electric device 200 to which the measuring device 400 is connected as measurement information, from these measurement information, The average power consumption or the power consumption amount within a unit time may be calculated and stored in the measurement information table 350.

  However, the measuring device 400 may be reset for some reason, and the power consumption accumulated before that may be deleted. In such a case, it is necessary to further correct an error caused by erasing the power consumption. Hereinafter, such correction processing will be described.

  FIG. 18 is a diagram for describing measurement information correction processing in management system 2 according to the embodiment of the present invention. FIG. 18A shows an example of a temporal change in the value of the measurement information when the measuring device 400 transmits the accumulated power consumption as the measurement information. As shown in FIG. 18A, the power consumption in the electrical device 200 in a certain period corresponds to the difference between the cumulative power consumption in the period and the cumulative power consumption in the immediately preceding period. Therefore, the difference calculated in each period is sequentially stored in the measurement information table 350.

  Here, consider a case where the measuring device 400 has been reset for some reason at time t0. In this case, the information held by the measuring instrument 400 until immediately before is deleted by the reset, and the accumulated power consumption is also cleared to zero. That is, as shown in FIG. 18A, the accumulated power consumption increases from zero immediately after resetting.

  In such a case, the power consumption between time t1 and time t2 (hereinafter referred to as “period t1-2”) is the difference between the cumulative power consumption from time t1 to immediately before the reset (power consumption Ea). And the difference (cumulative power consumption Eb) of the cumulative power consumption from immediately after reset to time t2 (E (t1-2) = Ea + Eb). That is, it is necessary to perform correction using the power consumption amount Ea immediately before the reset. The result of such correction is shown in FIG.

  In FIG. 18B, the power consumption during the period from time t1 to time t2 (period t1-2) is the difference between the power consumption E (t2) at time t2 and the power consumption E (t1) at time t1. (E (t1-2) = E (t2) -E (t1)).

  Note that whether or not the measuring instrument 400 has been reset may be notified from the measuring instrument 400, or the cumulative power consumption has changed beyond a predetermined threshold before and after the period. Alternatively, it may be determined that it has been reset.

(E8: Summary)
According to the management system 2 according to the present embodiment, by storing the information measured by the measuring device 400 as it is, it is possible to simplify the storage processing of the measurement information that occurs frequently. In addition, when output of power information is requested by the user, power information can be generated by extracting necessary measurement information based on history information managed in advance. By adopting such a configuration, a main body that stores measurement information and a main body that generates / outputs / displays power information can be provided independently of each other. Further, even if there is an error in the association between the measuring instrument 400 and the electric device 200 (measurement target device), it is possible to deal with it later.

[F. First Modification of First Embodiment]
In the above-described first embodiment, the example using the history information table 150 that holds the history information including the past association between the measuring instrument 400 and the electric device 200 has been described, but incorrect power information is output to the user. From the viewpoint of avoiding the problem, the latest association information and its valid time may be held for each of the electric devices 200. That is, the management system 2 according to the first modification of the first embodiment stores information for identifying the latest associated measuring device 400 as history information separately for each electric device 200. By using such history information, measurement information from at least one previous connection change of each electrical device 200 can be output as power information.

  FIG. 19 is a diagram showing an example of the data structure of history information table 150A used in management system 2 according to the first modification of the first embodiment of the present invention. The history information table 150A stores to which measuring device 400 each electric device 200 (measurement target device) is connected, and the date and time when the connection was started. In other words, the history information table 150A includes association between the electric device 200 and the measuring instrument 400 and valid time information indicating the time when the association is valid.

  More specifically, the history information table 150A corresponds to a column 1501 that stores identification information of the electric device 200 (measurement target device), and a column 1502 that indicates the date and time when the connection of the corresponding electric device 200 was started. And a column 1504 for storing identification information of the measuring device 400 to which the electric device 200 is connected. For each electrical device 200 (measurement target device), each time the connection destination measuring device 400 is changed, the contents of the corresponding column 1502 are updated at the time when the connection is changed, and the corresponding column 1504 is also updated. Is updated to the identification information of the connected measuring instrument 400. That is, as compared with the history information table 150 shown in FIG. 9B, the history information table 150A stores only the point where the column 1503 is removed and the identification information of the measuring instrument 400 connected most recently. Is different.

  The history information table 150A illustrated in FIG. 19 is described corresponding to the “current” state illustrated in FIG. 10. For the measurement target device 2 that is not connected to any measuring device 400, the history information table 150A is illustrated. Are also null (column 1502 and column 1504).

  Note that the data storage device 300 stores the measurement information in time series separately from the measuring device 400 as described in the first embodiment (measurement information table 350).

  Referring to FIGS. 10 and 19, display device 100 refers to history information table 150 </ b> A, and measurement target device 1 is connected to measuring instrument A from 17:50 on 2011/7/2 to the present. Can be determined. Therefore, the display device 100 extracts the measurement information from 17:50 of 2011/7/2 stored in association with the measuring device A in the measurement information table 350 to the present, and the power information about the measurement target device 1 Is generated. Further, the display device 100 extracts measurement information from 10:05 on 2011/4/15 stored in association with the measuring device B in the measurement information table 350 to the present, and the power information about the measurement target device 3 Is generated. However, since the measurement target device 2 is not connected to the measuring instrument 400, power information is not generated. Also, the measurement target devices 1 and 3 are not generated for the power information when they are connected to another measuring device 400 before the currently connected measuring device 400.

  In this modified example, at least measurement information from the connection change of each electrical device 200 at least once can be output as power information, so that correct power information is generated while simplifying management of history information. And can output.

[G. Second Modification of First Embodiment]
In the first modification of the first embodiment described above, the measurement information table 350 and the history information table 150A are stored as examples. However, these may be implemented as an integrated table.

  FIG. 20 is a diagram showing an example of the data structure of measurement information table 350B used in management system 2 according to the second modification of the first embodiment of the present invention. For convenience of explanation, the measurement information table 350B shown in FIG. 20 is described corresponding to the “current” state shown in FIG.

  The measurement information table 350B includes a column 3509 for storing identification information of the electric device 200 (measurement target device) that is most recently associated / associated with the corresponding measuring device 400, and the connection of the corresponding electric device 200 is started. And a column 3508 indicating the date and time (date and time when the association was validated). Further, measurement information from the measuring instrument 400 is stored in time series in the measurement information table 350B (column 3502B).

  Here, the measurement information for each measuring device 400 is stored in the measurement information table 350B, starting from the “connection start date and time” for the corresponding electric device 200 (measurement target device). More specifically, referring to FIG. 10, the measurement information corresponding to the “measurement device A” in the measurement information table 350B is the measurement information measured by the measurement device A as shown in FIG. This corresponds to a portion from 17:50 to the present on 2011/7/2 in which the connected electrical device is changed from “measurement target device 2” to “measurement target device 1”. Similarly, the measurement information corresponding to the “measurement device C” in the measurement information table 350B is connected to the “measurement target device 3” among the measurement information measured by the measurement device C as shown in FIG. It corresponds to the portion from 10:05 of 2011/4/15 to the present. On the other hand, the measurement information corresponding to the “measurement device B” in the measurement information table 350B is connected to the “measurement target device 1” among the measurement information measured by the measurement device B as shown in FIG. , Corresponding to a portion from 23:45 of 20111/2/1 to 17:50 of 2011/7/2.

  For example, the display device 100 refers to the measurement information table 350B, extracts the measurement information stored in association with the measuring device B starting at 23:45 of 20111/2/1, and 2011/7/2. The measurement information stored in association with the measuring instrument A is extracted starting from 17:50, and power information about the measurement target device 1 is generated. The extracted measurement information does not overlap on the time axis in principle.

  Similarly, the display device 100 refers to the measurement information table 350B, and extracts measurement information stored in association with the measuring device C starting at 10:05 on 2011/4/15, thereby measuring the measurement target device. 3 is generated.

  However, in the measurement information table 350B illustrated in FIG. 20, power information for the measurement target device 2 is not generated.

  In the present modification, at least the latest measurement information about the electric device 200 connected to each measuring device 400 can be output as power information, so that correct power information is generated while simplifying management of history information. And can output.

[H. Third Modification of First Embodiment]
In the above-described first embodiment and the first and second modifications thereof, the management system 2 in which the display device 100 and the data storage device 300 are separate has been described as an example. However, the management in which these functions are integrated is described. It may be implemented as a device. Hereinafter, a home controller 100A will be described as a typical example of a management apparatus equipped with a function related to the management system 2.

  FIG. 21 is a schematic diagram showing an overall configuration of an electric power system 1A including a home controller 100A according to a third modification of the first embodiment of the present invention. FIG. 22 is a schematic diagram showing a hardware configuration of home controller 100A according to the third modification of the first embodiment of the present invention.

  In the power system 1A shown in FIG. 21, a home controller 100A is provided in place of the display device 100 and the data storage device 300 as compared with the power system 1 shown in FIG. The hardware configuration of the home controller 100A illustrated in FIG. 22 is the same as that of the display device 100 illustrated in FIG. However, the home controller 100A is different in that the measurement information table 350 is stored and managed in addition to the history information table 150 (or the history information table 150A).

  Home controller 100A is provided by any one of management system 2 according to the first embodiment, management system 2 according to the first modification of the first embodiment, and management system 2 according to the second modification of the first embodiment. Provides functionality on a single device. Information processing in the home controller 100A is realized by the CPU 101 (FIG. 22) executing a program in cooperation with peripheral hardware components. Generally, such a program is installed in advance in the memory 110 or the like.

  Such a program can be provided by being stored and distributed in an arbitrary storage medium. Alternatively, such a program can be provided by downloading from a server device connected to the Internet or the like. That is, the program stored in the storage medium is read out, or the program is acquired by downloading from the server device and temporarily stored in the memory 110 or the like. The CPU 101 expands the program stored in the memory 110 into an executable format and then executes the program. Storage media for storing such programs include semiconductor memory media such as flash memory, mask ROM, EPROM, EEPROM, and IC card, optical disk storage media such as CD-ROM and DVD-ROM, and optical media such as MO and MD. Magnetic storage media such as magnetic disk storage media, FD, magnetic tape, cassette tape, etc. can be used.

Since the other points have been described above, detailed description will not be repeated. In this modification, a smaller number of device configurations can be adopted, so that the configuration can be further simplified and the cost can be reduced.

[I. Second Embodiment]
(I1: Overview)
The management system 2 according to the second embodiment of the present invention also manages power related to power consumption in at least one electric device 200. The management system 2 has a function of acquiring measurement information related to power consumption in the electric device 200 transmitted from the measuring device 400 associated with each electric device 200, a preset measuring device 400, and the electric device 200. Based on the corresponding relationship (correspondence relationship table 360), the measurement information acquired from each measuring device 400 is associated with the corresponding electric device 200 and stored in time series (measurement information table 370).

  As an example, in the management system 2 shown in FIG. 1, the data storage device 300 manages the correspondence table 360 and the measurement information table 370. Furthermore, the management system 2 has a function of outputting power information for each electrical device 200 based on measurement information (measurement information table 370) stored in time series in association with the electrical device 200. The function of outputting power information may exist in either one or both of the display device 100 and the data storage device 300. Hereinafter, a configuration in which the display device 100 has a function of outputting power information will be described as a typical configuration.

  FIG. 23 is a diagram for describing measurement information storage processing in management system 2 according to the second embodiment of the present invention. FIG. 23 shows an example in which the correspondence relationship between the electric device 200 and the measuring instrument 400 is changed as in FIG. 10 described in the first embodiment.

  In the present embodiment, based on the correspondence relationship (correspondence relationship table 360) between measuring instrument 400 and electric device 200 (measurement target device), electric device 200 to which the measurement information transmitted from each measuring device 400 corresponds. Stored in association with. For example, in the period T1 from 20111/2/1 to 23:45, the measurement target device 1 is associated with the measuring device A, and the data storage device 300 uses the measurement information acquired from the measuring device A as the measurement target. It is associated with the device 1 and stored in time series.

  It is assumed that the correspondence relationship between the electric device 200 and the measuring instrument 400 is updated after this period T1. That is, in the period T2 (from 23/45 of 20111/2/1 to 10:05 of 2011/4/15) following the period T1, the measuring object device 2 is associated with the measuring device A, and the measuring device The measurement target device 1 is associated with B. Therefore, the data storage device 300 stores the measurement information acquired from the measuring device A in time series in association with the measurement target device 2, and stores the measurement information acquired from the measurement device B in time series in association with the measurement target device 1. To do.

  Hereinafter, similarly for the periods T3 and T4, the measurement information acquired from the respective measuring devices 400 is stored in time series in association with the electric device 200 (measurement target device).

  Thus, since measurement information is stored in time series separately for each electric device 200 (measurement target device), power information about each electric device 200 (measurement target device) can be easily output.

(I2: Data structure)
FIG. 24 shows an exemplary data structure of a table used in management system 2 according to the second embodiment of the present invention. FIG. 24A shows an example of the correspondence table 360, and FIG. 24B shows an example of the measurement information table 370. For convenience of explanation, the correspondence relationship table 360 shown in FIG. 24A and the measurement information table 370 shown in FIG. 24B are described corresponding to the “current” state shown in FIG.

  The data storage device 300 refers to the correspondence relationship table 360 to determine the correspondence relationship between each measuring device 400 and the electric device 200. More specifically, the correspondence table 360 stores a column 3601 that stores identification information of the electric device 200 (measurement target device), and a column that stores identification information of the measuring device 400 to which the corresponding electric device 200 is connected. 3602. For each electrical device 200 (measurement target device), each time the connection destination measuring device 400 is changed, the contents of the corresponding column 1502 are updated at the time when the connection is changed, and the corresponding column 1504 is also updated. Is updated to the identification information of the connected measuring instrument 400. 24A shows an example in which the name of the measuring device 400 is stored in the column 3602, but a network address (MAC address or IP address) or the like may be used.

  The measurement information table 370 includes a column 3701 that stores identification information of the electric device 200 (measurement target device) and a column 3702 that sequentially stores measurement information about the corresponding electric device 200 (measurement target device).

  In a column 3702, measurement information transmitted from each measuring device 400 is sequentially stored in a row corresponding to the connected electric device 200. For example, the measurement information A (t1) measured at the time t1 measured by the measuring device A is stored in a row corresponding to the measuring target device 2 if the measuring device A is connected to the measuring target device 2 at the time t1. . Similarly, the measurement information B (t1) measured at the time t1 measured by the measuring device B is stored in a row corresponding to the measuring target device 1 if the measuring device B is connected to the measuring target device 1 at the time t1. The Thereafter, the same processing is repeated until the connection change (update of the correspondence table 360) is made.

  After that, for example, when the connection destination of the measurement target device 1 is changed from the measurement device B to the measurement device A at time tN, the measurement instrument A measures the line corresponding to the measurement target device 1 thereafter. Measurement information A (tN + 1) is stored.

  The measurement information table 370 may store measurement information together with information for identifying the measuring instrument 400 that is the measurement source. That is, in the example shown in FIG. 24B, information indicating that the measurement information A (t1) is from “measurement device A” may be added.

  As described above, the management system 2 according to the present embodiment associates the measurement information acquired from each measuring device 400 with the corresponding electric device 200 based on the preset correspondence relationship between the measuring device 400 and the electric device 200. To store in time series.

  Note that the management system 2 according to the present embodiment only needs to be able to hold the data stored in the correspondence relationship table 360 and the measurement information table 370 described above, and thus is not limited to the data structure shown in FIG. can do. The correspondence relationship table 360 and the measurement information table 370 may be managed by different devices.

(I3: Measurement information)
Since the measurement information used in the second embodiment has been described in the first embodiment, detailed description will not be repeated.

(I4: Output process of power information)
Next, a process for outputting power information in the management system according to the present embodiment will be described.

  As described above, in the present embodiment, measurement information is stored in time series in the measurement information table 370 in association with the electric device 200. Therefore, measurement information about the electric device 200 selected by the user can be easily extracted.

  Management system 2 according to the present embodiment typically presents display screen 600 shown in FIG. 11 described above. That is, the measurement information stored in each row of the measurement information table 370 can be used as it is for generating the graph 602 in the display screen 600 shown in FIG. Therefore, the output process of power information can be simplified.

  The management system 2 according to the present embodiment is not limited to the display screen 600 as shown in FIG. 11, and outputs power information to the user in various forms based on the measurement information stored in the measurement information table 370 ( Present). In addition to the display on the screen, the power information output mode may be information transmission by e-mail, information disclosure by the Web, print output to a paper medium by a printer, or the like.

(I5: Processing procedure)
Next, a processing procedure in management system 2 according to the present embodiment will be described.

  FIG. 25 is a sequence diagram showing a processing procedure in management system 2 according to the second embodiment of the present invention. Referring to FIG. 25, each of one or a plurality of measuring devices 400 measures information related to power consumption in the connected electric device 200 (step S50), and stores the measurement information acquired by the measurement as data. It transmits to the apparatus 300 (step S52). When the data storage device 300 receives the measurement information from any of the measuring devices 400, the data storage device 300 refers to the correspondence table 360 to identify the electrical device 200 associated with the measuring device 400 that is the transmission source of the measurement information ( Step S54). Then, the data storage device 300 stores the measurement information received from the measuring instrument 400 in time series in the measurement information table 370 in association with the corresponding electrical device (step S56). The processes in steps S50 to S56 are repeated for each predetermined period or for each predetermined condition.

  Thereafter, it is assumed that the user changes the electric device 200 connected to any of the measuring devices 400 (step S60). At this time, the user performs a setting change operation associated with this change on the display device 100 (step S62). Then, the display device 100 transmits setting change information indicating the content of the setting change operation performed by the user to the data storage device 300. The data storage device 300 updates the contents of the correspondence table 360 based on the setting change information (step S74). Even after the contents of the correspondence table 360 are changed, the processes in steps S50 to S56 are repeated for each predetermined period or for each predetermined condition.

  Thereafter, it is assumed that the user performs an operation for requesting output of power information on the display device 100 (step S70). This requesting operation includes selection of an electric device 200 (measurement target device) to which power information is output. In response to the requested operation, the display device 100 requests measurement information about the selected electrical device 200 from the data storage device 300 (step S72). The data storage device 300 extracts measurement information associated with the designated electric device 200 from the measurement information table 370 and transmits the measurement information to the display device 100 (step S74). Based on the measurement information received from the data storage device 300, the display device 100 outputs power information about the electric device 200 selected by the user (step S76).

  When the user requests the display device 100 to output another power information, the requested power information is created and output by the same processing as described above.

(I6: Setting change operation)
Since the setting change operation example executed when the electric device 200 connected to the measuring device 400 is changed has been described in the first embodiment, detailed description thereof will not be repeated.

(I7: Correction processing)
The correction process described in the first embodiment can also be applied to the second embodiment. Since the content of the correction process has been described in the first embodiment, detailed description will not be repeated.

[J. First Modification of Second Embodiment]
In the above-described second embodiment, the correspondence table 360 indicating the correspondence between the measurement device 400 and the electric device 200 set in advance and the measurement information acquired from each measurement device 400 are associated with the corresponding electric device 200. Although the example which comprises separately the measurement information table 370 stored in time series was shown, since identification information of the electric device 200 (measurement target device) is a key in any table, both are identical. You may comprise as a table. That is, in the management system 2 according to the first modification of the second embodiment, the correspondence relationship between the measuring instrument 400 and the electric device 200 is added to the table that stores the measurement information acquired from each measuring instrument 400.

  FIG. 26 shows an example of the data structure of measurement information table 370A used in management system 2 according to the first modification of the second embodiment of the present invention. Referring to FIG. 26, measurement information table 370A indicates a column 3701 for storing identification information of electric device 200 (measurement target device) and the date and time when connection of corresponding electric device 200 (measurement target device) is started. A column 3702, a column 3705 for storing identification information of the measuring instrument 400 to which the corresponding electric device 200 (measurement target device) is connected, and measurement information about the corresponding electric device 200 (measurement target device) are sequentially stored. Column 3702.

  For each electrical device 200 (measurement target device), the contents of the corresponding columns 3074 and 3075 are updated each time the measuring device 400 to which the connection is made is changed. That is, the content of the column 3074 is updated at the time when the connection is changed, and the content of the column 3075 is updated to identification information indicating the measuring device 400 after the connection is changed.

  When the data storage device 300 receives the measurement information from any of the measuring devices 400, the data storage device 300 refers to the measurement information table 370A, and the electric device 200 (measurement information) associated with the measuring device 400 that is the transmission source of the measurement information. A row) in the table 370A is specified, and the received measurement information is sequentially stored in the specified row.

  In this modification, the number of table accesses by the data storage device 300 can be reduced, and management of correspondence and measurement information can be facilitated.

  However, the content of “connection start date” stored in the column 3074 of the measurement information table 370A is not essential. However, this “connection start date and time” can also be displayed in an overlapping manner on the power information display screen 600 shown in FIG. 11, so that the user has a corresponding relationship between the current measuring instrument 400 and the electric device 200. You can know when it is effective.

[K. Second Modification of Second Embodiment]
In the above-described second embodiment and the first modification thereof, the management system 2 in which the display device 100 and the data storage device 300 are separate has been described as an example. However, the management system 2 is implemented as an integrated management device. May be. A typical example of a management apparatus equipped with such a function related to the management system 2 is implemented as a home controller. Since the overall configuration of the power system including such a home controller is the same as that of power system 1A shown in FIG. 21 described above, detailed description will not be repeated. Since the hardware configuration of the home controller is the same as the hardware configuration of home controller 100A shown in FIG. 22 described above, detailed description will not be repeated.

  The home controller provides the entire function provided by the management system 2 according to the above-described second embodiment or the management system 2 according to the first modification of the second embodiment in a single device. Information processing in the home controller is realized by the CPU 101 (FIG. 22) executing a program in cooperation with peripheral hardware components. Generally, such a program is installed in advance in the memory 110 or the like. Since such a program provision form has also been described in the first embodiment, detailed description thereof will not be repeated.

  In this modification, since a smaller number of device configurations can be employed, the configuration can be further simplified and the cost can be reduced.

[L: Other embodiments]
In the above-described first and second embodiments and the modifications thereof, the configuration example of the local management system 2 associated with the power system 1 is shown as a typical configuration, but it is represented by a so-called cloud system. Alternatively, a more highly networked configuration may be employed.

  For example, when the management system according to the present embodiment is realized as a cloud system, a function for storing measurement information, a function for generating power information, a function for retaining and managing history information, and a function for retaining and managing correspondence All or part of the above is executed by an external server device or the like. In such a case, typically, as a function on the local side where the power system 1 exists, a function of transferring measurement information from the measuring device 400 to the remote server apparatus, or a power from the remote server apparatus There is a function of receiving data for displaying information and displaying it on a display. In addition, when the power information is generated by the server device on the remote side, the necessary power information can be accessed from any place and device via a Web browser or the like.

[M. Summary]
As described above, according to the present embodiment, even when the electric device 200 connected to the same measuring device 400 is changed by replacement / addition of the electric device 200, redesign of the room, or the like, A series of measurement information from the past for each electric device 200 can be easily managed. Moreover, it is possible to generate and output power information more easily using these measurement information.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  1 power system, 2 management system, 100 display device, 100A home controller, 101, 301 CPU, 102 touch panel, 103 display, 104 tablet, 105 operation buttons, 106, 304 communication interface, 107 output interface, 108 input interface, 109, 302 Hard disk, 110, 303 Memory, 111 Speaker, 112, 305 Clock, 150, 150A History information table, 200 Electric equipment, 200A Air conditioner, 200B Television, 200C Microwave oven, 200D Refrigerator, 200E Lighting equipment, 200X Solar power generation device , 200Y storage battery, 200Z power conditioner, 250A, 250B, 250C, 250D, 250E, 4002 plastic , 300 Data storage device, 350, 350B, 370, 370A Measurement information table, 360 Correspondence relationship table, 400, 400A to 400E Measuring instrument, 401 Network, 402 Power line, 4001 Socket, 4003 Shunt resistance, 4004, 4005 Main wiring, 4007 Power supply unit, 4010 Power detection unit, 4011 Voltage input ADC, 4012 Current input ADC, 4013 Multiplier, 4014 Frequency conversion unit, 4020 Communication module, 4021 CPU, 4022 ROM, 4023 RAM, 4024 GPIO, 4025 Wireless RF unit, 4030 Antenna , 4041 LED, 4042 Setting button, 4051, 4053 surface, 4052 side surface.

Claims (12)

A management system for managing measurement information related to power consumption in at least one electrical device,
First storage means for storing measurement information related to power consumption in the electrical device, transmitted from each of the measuring devices associated with each electrical device, in time series, separately for each measuring device;
Second storage means for storing history information relating to the association between the measuring instrument and the electric device;
In response to the selection of the electrical device, the measurement information corresponding to the selected electrical device is extracted from the measurement information stored separately for each measuring instrument, thereby outputting the power information about the selected electrical device. A management system comprising information output means for   The second storage unit stores, as the history information, a time when association with a measuring instrument is validated and information for identifying the associated measuring instrument separately for each electric device. The management system described.   2. The management system according to claim 1, wherein the second storage unit stores, as the history information, information for identifying a measuring instrument associated most recently, separately for each electrical device. For each measuring instrument, the apparatus further comprises selection receiving means for providing a user interface screen for receiving designation of an associated electric device,
The management system according to any one of claims 1 to 3, wherein the second storage unit updates the content of the history information based on designation of an electrical device received through the selection receiving unit. . A management device that manages measurement information related to power consumption in at least one electrical device,
First storage means for storing measurement information related to power consumption in the electrical device, transmitted from each of the measuring devices associated with each electrical device, in time series, separately for each measuring device;
Second storage means for storing history information relating to the association between the measuring instrument and the electric device;
In response to the selection of the electrical device, the measurement information corresponding to the selected electrical device is extracted from the measurement information stored separately for each measuring instrument, thereby outputting the power information about the selected electrical device. A management apparatus comprising information output means for A management program for managing measurement information related to power consumption in at least one electrical device, wherein the management program transmits a computer from a measuring instrument associated with each electrical device, and measures the power consumption in the electrical device. First storage means for storing information in time series separately for each measuring instrument;
Second storage means for storing history information relating to the association between the measuring instrument and the electric device;
In response to the selection of the electrical device, the measurement information corresponding to the selected electrical device is extracted from the measurement information stored separately for each measuring instrument, thereby outputting the power information about the selected electrical device. Management program that functions as an information output means. A management system for managing measurement information related to power consumption in at least one electrical device,
An acquisition means for acquiring measurement information related to power consumption in the electrical device, transmitted from the measuring instrument associated with each electrical device;
A management system comprising: a storage unit that stores measurement information acquired from each measuring device in association with the corresponding electric device in a time series based on a correspondence relationship between the measuring device and the electric device set in advance.   The management system according to claim 7, further comprising information output means for outputting power information about each electrical device based on the measurement information stored in the storage means.   The management system according to claim 7 or 8, further comprising selection accepting means for providing a user interface screen for accepting designation of an associated electrical device for each measuring instrument.   The management system according to any one of claims 7 to 9, wherein the storage unit stores measurement information together with information for identifying a measuring device as a measurement source. A management device that manages measurement information related to power consumption in at least one electrical device,
An acquisition means for acquiring measurement information related to power consumption in the electrical device, transmitted from the measuring instrument associated with each electrical device;
A management apparatus comprising: a storage unit that stores, in a time series, measurement information acquired from each measurement device in association with the corresponding electric device based on a correspondence relationship between the measurement device and the electric device set in advance. A management program for managing measurement information related to power consumption in at least one electrical device, wherein the management program transmits a computer from a measuring instrument associated with each electrical device, and measures the power consumption in the electrical device. An acquisition means for acquiring information;
A management program that causes measurement information acquired from each measuring device to function as a storage unit that stores the information in time series in association with the corresponding electric device based on a correspondence relationship between the measuring device and the electric device set in advance.

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