JP2011227545A - Information collection device, information collection method and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information collection device and the like suitable for collecting the operation information that shows the operation result of devices.SOLUTION: An information collection device 100 of the present invention comprises: a higher harmonic wave detection unit 101 for measuring a current waveform and voltage waveform of a power line to which a plurality of devices 200 are connected, and detecting a higher harmonic wave component of the power line from the measured current waveform and voltage waveform; a device identification unit 102 for identifying the device 200 that is in operation among the plurality of devices 200 based on the detected higher harmonic wave component; a history information generation unit 103 for collecting the operation information that shows the operating results of the identified device 200 to generate operation history information for each of the devices 200 with date information added to the operation information; an electric power measurement unit 104 for measuring the electric power consumed by the device 200; and a device control unit 106 for controlling the time to operate the device 200 based on the measured electric power and generated operation history information.

Description

  The present invention relates to an information collection apparatus, an information collection method, and a program suitable for collecting operation information indicating a result of operation of a device.

  A technique for collecting operation information of a plurality of devices, feeding back the operation information, and controlling the operations of the plurality of devices is disclosed (for example, see Patent Document 1).

JP 2009-26305 A

  However, there is a case where operation information indicating the power consumption and operation time for each device cannot be grasped. Therefore, a new method suitable for collecting operation information indicating the result of the operation of the device is required.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide an information collection device, an information collection method, and a program suitable for collecting operation information indicating a result of operation of a device. To do.

In order to achieve the above object, an information collecting apparatus according to the first aspect of the present invention provides:
A harmonic detection unit that measures a current and voltage waveform of a power line to which a plurality of devices are connected, and detects a harmonic component of the power line from the measured current and voltage waveform;
Based on the detected harmonic component, among the plurality of devices, a device identification unit that identifies a device that is operating, and
Collecting operation information indicating the result of operation of the identified device, adding date and time information to the operation information, and generating a history information for each device, a history information generation unit;
An energy measuring unit for measuring the energy consumed by the device;
A device control unit for controlling a time for which the device is operated based on the measured electric energy and the generated operation history information.

An information collection method according to another aspect of the present invention includes:
An information collection method that is executed by an information collection device including a harmonic detection unit, a device identification unit, a history information generation unit, a power amount measurement unit, and a device control unit,
The harmonic detection unit measures a current and voltage waveform of a power line to which a plurality of devices are connected, and detects a harmonic component of the power line from the measured current and voltage waveform, and
The device identification unit, based on the detected harmonic component, a device identification step of identifying a device that is operating among the plurality of devices,
The history information generation unit collects operation information indicating a result of operation of the identified device, adds date / time information to the operation information, and generates operation history information for each device; ,
The electric energy measuring unit measures the electric energy consumed by the device, and an electric energy measuring step;
The device control unit includes a device control step of controlling a time for operating the device based on the measured electric energy and the generated operation history information.

A program according to another aspect of the present invention is:
Computer
A harmonic detection unit that measures a current and voltage waveform of a power line to which a plurality of devices are connected, and detects a harmonic component of the power line from the measured current and voltage waveform;
Based on the detected harmonic component, among the plurality of devices, a device identification unit that identifies a device that is operating, and
Collecting operation information indicating the result of operation of the identified device, adding date and time information to the operation information, and generating a history information for each device, a history information generation unit;
An energy measuring unit for measuring the energy consumed by the device;
Based on the measured electric energy and the generated operation history information, the device is configured to function as a device control unit that controls time for operating the device.

  According to the present invention, it is possible to collect operation information indicating a result of operating a device.

It is a block diagram which shows the structure of the information collection apparatus which concerns on embodiment of this invention. It is a figure which shows the structural example of operation history information. It is a figure which shows the example of the electric energy for every apparatus memorize | stored beforehand. It is a figure which shows the example of the breakdown of the electric energy for every apparatus. It is a figure which shows the example of the time shift table for every apparatus. It is a figure which shows the example of the operation | movement schedule for every apparatus. It is a flowchart for demonstrating an information collection process. It is a figure which shows the example of the operation schedule comprised from the operation pattern.

  Embodiments of the present invention will be described below. The embodiments described below are for illustrative purposes and do not limit the scope of the present invention. Therefore, those skilled in the art can employ embodiments in which each or all of these elements are replaced with equivalent ones, and these embodiments are also included in the scope of the present invention.

  FIG. 1 is a block diagram showing a configuration of an information collecting apparatus 100 according to an embodiment of the present invention. As shown in the figure, the information collecting apparatus 100 is connected to a power line to which a plurality of devices 200 are connected, and collects operation information indicating the result of operation of the device 200 through the power line. The device 200 is connected to a power line and operates with power supplied from the power line. The device 200 is an arbitrary device that can be connected to a power line, such as an air conditioner, a lighting device, or a hot water supply device.

  The information collection apparatus 100 includes a harmonic detection unit 101, a device identification unit 102, a history information generation unit 103, a power amount measurement unit 104, a power amount calculation unit 105, a device control unit 106, a storage unit 107, a communication unit 108, and a display unit. 109 and the like. Hereinafter, each component of the information collecting apparatus 100 will be described. In addition, although the function of each part is mutually linked | related, the acceptance / rejection of each part can be changed suitably according to a use.

The harmonic detection unit 101 includes, for example, an ammeter and a waveform measuring instrument, and measures current and voltage waveforms from a power line to which the device 200 is connected for a predetermined time (for example, 50 ms). In addition, the harmonic detection unit 101 extracts a harmonic component (for example, a current component having a frequency of 1 kHz to 20 kHz) from the measured current and voltage waveforms, and from the harmonic component, features (for example, a frequency, a phase, Level). For example, wavelet transformation is used for extracting the feature amount.
In addition, the method of detecting a harmonic can use a well-known method, and also includes the content described in patent 4400670, and the said content is considered.

The device identification unit 102 includes, for example, a CPU (Central Processing Unit), a RAM (Random Access Memory), and the like, and compares the feature amount of the device stored in advance with the feature amount extracted by the harmonic detection unit 101. The device 200 is identified based on the comparison result. For example, the device identification unit 102 presumes that the feature amount is matched when the feature amount is equal to or greater than a predetermined ratio, and stores the feature amount in advance and the device from which the feature amount has been extracted. The device 200 is identified as matching with the device.
In addition, the method of identifying an apparatus can use a well-known method, and also includes the content described in patent 4400610, and the said content is considered.

  The history information generation unit 103 includes, for example, a crystal resonator, an oscillation circuit, and the like, and measures (counts) the date and time (including year / month / day / hour / minute / second and day of the week). The history information generation unit 103 functions as a calendar or a clock by measuring the date and time. The history information generation unit 103 includes a CPU, a RAM, and the like, collects operation information indicating a result of operation of the device 200 identified by the device identification unit 102, and adds date and time information to the operation information. The operation history information is generated for each device 200. Here, the operation information is arbitrary information indicating the operation of the device, such as information indicating whether the device is operating, the amount of power consumed by the device, the feature amount extracted by the harmonic detection unit 101, or the like. Say.

  FIG. 2 is a diagram illustrating a configuration example of the operation history information. As shown in the figure, the history information generation unit 103 includes an accumulated operation time obtained by integrating the operation time during which the device 200 has been operated, an average operation time indicating an average value of the operation time for each day, and any time of the day. For each device, an operating time zone that indicates whether the device was operating, an on / off count that indicates the number of times the device 200 was turned on / off, a power factor of the device 200 that indicates the ratio of the active power to the apparent power, etc. To do. In addition, the history information generation unit 103 may generate operation history information by adding, for example, information on seconds, minutes, hours, days, weeks, months, years, seasons, or days of the week to the operation information. it can.

The power amount measuring unit 104 is constituted by, for example, a power meter and measures the power amount from the power line at a predetermined cycle. The power amount measurement unit 104 measures the amount of power consumed by the entire device 200 connected to the power line and the amount of power consumed by the device 200 identified by the device identification unit 102.
In addition, the method of measuring electric energy can use a well-known method, and also includes the content described in patent 4400670, and the said content is considered.

  The power amount calculation unit 105 includes a CPU, a RAM, and the like, stores in advance the (average) power amount during operation of each device 200, the power amount measured by the power amount measurement unit 104, and the device identification unit 102. Based on the identified operating device 200, the amount of power of the operating device 200 is calculated. Further, the power amount calculation unit 105 calculates the power amount (breakdown of the power amount) for each operating device 200 for each time.

  FIG. 3 is a diagram illustrating an example of the amount of power stored for each device stored in advance. FIG. 4 is a diagram showing an example of the breakdown of the amount of power for each device. As shown in FIG. 3, the power amount calculation unit 105 stores the power amount for each device 200 in advance, and determines whether there is a power amount that matches the stored power amount. Calculate the breakdown of electric energy. For example, if the measured amount of power is 3 kW, there is a pre-stored amount of power that matches the measured 3 kW in FIG. In this case, the power amount calculation unit 105 calculates the power amount for each device 200 by extracting the device 1 having the same power amount 3 kW and associating the device 1 with the measured power amount 3 kW. Then, as shown in FIG. 4, the power amount calculation unit 105 divides the power amount for each device 200 every predetermined time, and calculates the breakdown of the power amount for each device 200 operating at the time.

  The device control unit 106 includes a CPU, a RAM, and the like, and controls the operation of the device 200 based on the power amount measured by the power amount measurement unit 104 and the operation history information generated by the history information generation unit 103. Control. The device control unit 106 controls the operation of the device 200 by transmitting a control signal for controlling the operation of the device to the device 200 through communication such as infrared, wireless, or wired. In order to control the operation of the device 200, the device control unit 106 holds in advance information indicating which device can be time-shifted. Here, the time shift means shifting the time for operating the device. FIG. 5 is a diagram illustrating an example of a time shift table for each device. As shown in the figure, the device control unit 106 holds, for each device 200, information indicating whether or not a time shift is possible, a time when a time shift is possible, and the like.

  In addition, the device control unit 106 collects average operation patterns of the devices for each day and each month from the device 200 identified by the device identification unit 102. Here, the operation pattern refers to information indicating the operation of the device, such as the time when the operation of the device starts and ends, the time when the device operates, and the time zone during which the device operates. And the apparatus control part 106 comprises the operation schedule of the apparatus 200 so that the electric energy per time can be averaged (reduced) as much as possible from the average operation pattern of an apparatus, and based on the said operation schedule, A control signal for controlling the operation of the device is transmitted to the device 200 to control the operation of the device 200. FIG. 6 is a diagram illustrating an example of an operation schedule for each device. As shown in the figure, the device control unit 106 operates between 0 o'clock and 2 o'clock for the device 1, 9 o'clock to 20 o'clock for the device 2, 8 o'clock to 9 o'clock for the device 3, and 21 o'clock to 24 o'clock for the device 4. The operation schedule is configured, and the device 200 is operated based on the operation schedule. The operation schedule is configured based on, for example, information indicating whether or not the time shift of the device 200 held in advance is possible. Specifically, the device control unit 106 configures the operation schedule so as to detect the operation time of the device 200 and automatically stop the device 200 a predetermined time before the off time of the device 200. In addition, when a plurality of devices 200 are operating at the same time, the device control unit 106 extracts the devices 200 that can be time-shifted, and operates the devices 200 that can be time-shifted when the devices 200 are not operating. Configure an operation schedule. The operation schedule is arbitrarily configured, and typically, the amount of power consumed by the devices is averaged so that a plurality of devices do not operate simultaneously, and the power consumed by the entire device. Configured to reduce the amount.

  The storage unit 107 is composed of a storage device such as a RAM, for example, and stores arbitrary information such as operation history information and electric energy. The storage unit 107 stores the operation history information shown in FIG. 2, the power amount for each device shown in FIG. 3, the breakdown of the power amount for each device shown in FIG. 4, the time shift table shown in FIG. 6 stores an operation schedule for each device.

  The communication unit 108, which has a function for connecting the information collecting apparatus 100 to a communication circuit network through wired or wireless communication, conforms to the 10BASE-T / 100BASE-T standard used when configuring a LAN (Local Area Network). Or a modem or the like for wireless connection and an interface that mediates between the CPU. The communication unit 108 transmits and receives arbitrary information such as operation history information and electric energy via a communication circuit network.

  The display unit 109 includes a display device such as a liquid crystal display, for example. The operation history information generated by the history information generation unit 103, the power amount calculated by the power amount calculation unit 105, information stored in the storage unit 107, and the like. Display any information.

  Next, the operation of the information collecting apparatus 100 according to this embodiment will be described. FIG. 7 is a flowchart showing an information collection process executed by the information collection apparatus 100.

  First, the power amount measuring unit 104 measures the power amount from the power line at a predetermined cycle (step S101). The power amount measuring unit 104 can measure the power amount at an arbitrary timing, for example, when a 1 second period, a 1 minute period, or a predetermined time comes. By measuring the amount of power from the power line, the amount of power consumed by the device 200 connected to the power line is measured.

  Next, the harmonic detection unit 101 detects the harmonic component of the power line by measuring the current and voltage waveforms from the power line to which the device 200 is connected, and wavelet transforms the detected harmonic component of the power line. Thus, feature quantities including frequency, phase, level, and the like are extracted from the harmonic component (step S102).

  Next, the device identification unit 102 compares the feature amount stored in advance in the device 200 connected to the power line with the feature amount extracted in step S101 (step S103), thereby storing the feature amount stored in advance. It is determined whether or not the extracted feature value matches (step S104). By this determination, the operating device 200 is identified.

  If the feature amounts match (step S104; Yes), the device identifying unit 102 identifies the device 200 associated with the feature amount stored in advance as the currently operating device 200 (step S105). Note that the device identifying unit 102 extracts the feature amount when at least one of the frequency, phase, and level matches, or when the difference between the feature amounts is equal to or less than a predetermined threshold. It can also be determined that the feature quantity stored in advance matches.

  If the feature amounts do not match (step S104; No), it is determined that there is no device 200 that is operating, harmonic components are continuously detected from the power line, and feature amount extraction is continued (step S102).

  Next, the history information generation unit 103 collects operation information indicating a result of the operation of the identified device 200, and adds operation date / time information to the operation information, thereby generating operation history information for each device 200 ( Step S106). The fact that the feature amounts match indicates that the identified device 200 is operating on the date and time when the device 200 was identified and the date and time when the high-frequency current component was detected. For this reason, the operation history information for each device is generated by associating the date and time counted by the history information generation unit 103 with the identified operating device 200. For example, as shown in FIG. 2, the history information generation unit 103 stores operation history information for each device including the operation start time / operation end time of the device, the accumulated operation time, the average operation time, the number of power on / off times, and the like. Generate. Then, the generated operation history information is stored in the storage unit 107.

  The power amount calculation unit 105 stores the power amount for each device 200 connected to the power line in advance, and is measured by comparing the stored power amount with the power amount measured in step S101. It is determined whether or not there is a stored power amount that matches the determined power amount (step S107).

  When there is a matching power amount (step S107; Yes), the power amount calculation unit 105 associates the matched power amount with the device associated with the power amount, thereby breakdown of the power amount for each device 200. Is calculated (step S108).

  For example, when the power amount measured in step S101 is 3 kW, there is a pre-stored power amount that matches the measured power amount 3 kW in FIG. In this case, the power amount calculation unit 105 extracts the device 1 associated with the matched power amount 3 kW, and associates the device 1 with the measured power amount 3 kW, thereby obtaining the power amount for each device 200. calculate. Further, the power amount calculation unit 105 calculates a breakdown of the power amount divided for each time based on the date and time when the power amount was measured or the date and time when the harmonic component was detected.

  If the power amount measured in step S101 is 3.5 kW, there is no pre-stored power amount that matches the measured power amount 3.5 kW in FIG. In this case, the power amount calculation unit 105 checks whether or not there is a matching power amount by comparing the power amount obtained by combining the power amounts stored in advance with the measured power amount 3.5 kW. judge. As shown in FIG. 3, there are 3 kW and 0.5 kW in the stored electric energy. When the power amounts are combined, the power amount is 3.5 kW, which is consistent with the measured power amount of 3.5 kW. Therefore, the power amount calculation unit 105 extracts the device 1 associated with the power amount 3 kW and the device 2 associated with the power amount 0.5 kW, the device 1 and the device 2, and the measured power By associating the amount with 3.5 kW, a breakdown of the amount of power for each device 200 as shown in FIG. 4 is calculated.

  On the other hand, if there is no matching power amount (step S107; No), the process returns to step S101, and the power amount is measured again from the power line (step S101).

  Next, the device control unit 106 configures an operation schedule for controlling the operation of the device 200 (step S109). The device control unit 106 collects an average operation pattern of the device 200 for each day and each month for the device 200 identified in the process of step S105, and based on the operation pattern, the power amount per hour is averaged as much as possible. The operation schedule of the device 200 is configured so that it can be realized.

  FIG. 8 is a diagram illustrating an example of an operation schedule composed of operation patterns. The device control unit 106 generates an operation pattern for each device as shown in the figure based on operation history information indicating operation information for each device and each time. Next, the device control unit 106 configures an operation schedule as shown in FIG. 8 from the operation pattern for each device 200 by referring to the time shift table as shown in FIG. Specifically, as shown in FIG. 5, the device 1 is “0 to 9:00”, the device 2 is “one hour before the end of the operation”, and the device 4 is “the operation start time is arbitrary”. In addition, the time can be shifted. Therefore, the device control unit 106 changes the operation of the device 1 from “7 o'clock to 9 o'clock” to “0 o'clock to 2 o'clock”, and the operation end time of the device 2 from “21 o'clock” to “20 o'clock”. In addition, an operation schedule in which the operation of the device 4 is time-shifted from “18:00 to 21:00” to “21:00 to 24:00” is configured. Thereby, the electric energy per time can be averaged. In addition, it is possible to prevent a plurality of devices from operating simultaneously at the same time. Furthermore, the amount of power consumed by the entire device can be reduced by moving the operating time zone of the device to a time zone where the power charge is cheap.

  Next, the device control unit 106 transmits a control signal for operating the device to the device 200 based on the configured operation schedule, and controls the operation of the device 200 (step S110).

  Next, the communication unit 108 transmits the generated operation history information, the breakdown of the calculated power amount, the configured operation schedule, and the like via the communication circuit network (step S111). For example, the communication unit 108 transmits the operation history information to the power company. The operation history information includes information indicating the disclosure time when the device 200 started operation, the end time when the device 200 started operation, and the operation time zone of the device 200. For this reason, the power company can estimate the optimum amount of power for supplying power to the device by receiving the operation history information for various devices and grasping the usage status of the device. In addition, the communication unit 108 transmits the operation history information to the manufacturing company that manufactured the device 200. The operation history information includes the number of times the device 200 is turned on / off and the accumulated operation time. For this reason, the manufacturing company can collect information for designing and improving the device by receiving the operation history information about the device and grasping the usage status of the device.

Through the above processing, operation information indicating the result of operating the device can be collected. Further, based on the collected device operation information, the operation of the device can be controlled so that the power consumption per hour is averaged.
The device operation information includes information indicating the operation start time / operation end time of the device, the number of on / off times, the integrated operation time, and the amount of power. Therefore, the operation information of the device can be used as information for designing and improving the device, and can also be used for predicting the amount of power used.

  In addition, this invention is not limited to said embodiment, A various deformation | transformation and application are possible.

  The information collecting apparatus 100 can also be installed in an outlet for supplying power to the device 200. Then, the harmonic detection unit 101 measures the current and voltage waveform from the wiring of the outlet, extracts the harmonic component from the measured current and voltage waveform, and extracts the feature amount from the harmonic component. it can.

  The above-described hardware configuration and flowchart are examples, and can be arbitrarily changed and modified.

  The information collection apparatus 100 includes a harmonic detection unit 101, a device identification unit 102, a history information generation unit 103, a power amount measurement unit 104, a power amount calculation unit 105, a device control unit 106, a storage unit 107, a communication unit 108, and a display unit. The central part of the processing of the information collecting apparatus 100 composed of 109 and the like can be realized by using a normal computer system without depending on a dedicated system. For example, a computer program for executing the above operation is stored and distributed in a computer-readable recording medium (flexible disk, CD-ROM, DVD-ROM, etc.), and the computer program is installed in the computer. Thus, the information collecting apparatus 100 that executes the above-described processing may be configured. Alternatively, the information collection device 100 may be configured by storing the computer program in a storage device included in a server device on a communication network such as the Internet and downloading it by a normal computer system.

  When the functions of the information collecting apparatus 100 are realized by sharing an OS (operating system) and an application program, or by cooperation between the OS and the application program, only the application program part is stored in a recording medium or a storage device. May be.

  It is also possible to superimpose a computer program on a carrier wave and distribute it via a communication network. For example, the computer program may be posted on a bulletin board (BBS) on a communication network, and the computer program may be distributed via the network. The computer program may be started and executed in the same manner as other application programs under the control of the OS, so that the above-described processing may be executed.

  The present invention can collect operation information indicating the result of the operation of the device.

DESCRIPTION OF SYMBOLS 100 Information collecting apparatus 101 Harmonic wave detection part 102 Equipment identification part 103 History information generation part 104 Electric energy measurement part 105 Electric energy calculation part 106 Equipment control part 107 Storage part 108 Communication part 109 Display part 200 Equipment

Claims (6)

A harmonic detection unit that measures a current and voltage waveform of a power line to which a plurality of devices are connected, and detects a harmonic component of the power line from the measured current and voltage waveform;
Based on the detected harmonic component, among the plurality of devices, a device identification unit that identifies a device that is operating, and
Collecting operation information indicating the result of operation of the identified device, adding date and time information to the operation information, and generating a history information for each device, a history information generation unit;
An energy measuring unit for measuring the energy consumed by the device;
A device control unit that controls the time for which the device is operated based on the measured power amount and the generated operation history information;
An information collecting apparatus characterized by that. A storage unit storing respective amounts of power consumed by the plurality of devices;
When the stored power amount and the measured power amount are collated and the power amounts match, the measured power amount and the stored power amount that matches the measured power amount A power amount calculation unit that calculates the amount of power consumed by each of the plurality of devices by associating the device with
The information collecting apparatus according to claim 1, wherein: The device control unit identifies the time that each of the devices has operated and the amount of power consumed, and controls the operation of the device so that the amount of power per hour decreases.
The information collecting apparatus according to claim 2, wherein: The storage unit stores information indicating a time during which the plurality of devices can operate,
The device control unit controls the device to operate at the operable time.
The information collection device according to claim 1, wherein the information collection device is a device. An information collection method that is executed by an information collection device including a harmonic detection unit, a device identification unit, a history information generation unit, a power amount measurement unit, and a device control unit,
The harmonic detection unit measures a current and voltage waveform of a power line to which a plurality of devices are connected, and detects a harmonic component of the power line from the measured current and voltage waveform, and
The device identification unit, based on the detected harmonic component, a device identification step of identifying a device that is operating among the plurality of devices,
The history information generation unit collects operation information indicating a result of operation of the identified device, adds date / time information to the operation information, and generates operation history information for each device; ,
The electric energy measuring unit measures the electric energy consumed by the device, and an electric energy measuring step;
The device control unit includes a device control step of controlling a time for operating the device based on the measured power amount and the generated operation history information.
An information collecting method characterized by the above. Computer
A harmonic detection unit that measures a current and voltage waveform of a power line to which a plurality of devices are connected, and detects a harmonic component of the power line from the measured current and voltage waveform;
Based on the detected harmonic component, among the plurality of devices, a device identification unit that identifies a device that is operating, and
Collecting operation information indicating the result of operation of the identified device, adding date and time information to the operation information, and generating a history information for each device, a history information generation unit;
An energy measuring unit for measuring the energy consumed by the device;
Based on the measured power amount and the generated operation history information, function as a device control unit that controls the time for operating the device,
A program characterized by that.

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