WO2021162052A1 - データ収集システム、受信側装置、及びデータ収集方法 - Google Patents
データ収集システム、受信側装置、及びデータ収集方法 Download PDFInfo
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- WO2021162052A1 WO2021162052A1 PCT/JP2021/005037 JP2021005037W WO2021162052A1 WO 2021162052 A1 WO2021162052 A1 WO 2021162052A1 JP 2021005037 W JP2021005037 W JP 2021005037W WO 2021162052 A1 WO2021162052 A1 WO 2021162052A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/2823—Reporting information sensed by appliance or service execution status of appliance services in a home automation network
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
Definitions
- Some such systems include a transmitting device that is connected to the device and acquires data from a sensor or the like mounted on the device, and a receiving device that collects the data acquired by the transmitting device.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2015-192449
- a transmitting side device acquires difference data of a device to be monitored and a receiving side device converts the difference data into time series data for analysis. Is disclosed.
- Patent Document 1 discloses a countermeasure for this. No.
- the data collection system is a system that collects data to be monitored.
- the data collection system includes a transmitting side device and a receiving side device.
- the transmitting side device has an acquisition unit and a transmitting unit.
- the acquisition unit acquires data from the monitored object.
- the transmitting unit transmits the data to the receiving device.
- the receiving side device includes a receiving unit and a determining unit.
- the receiving unit receives data from the transmitting device.
- the determination unit determines the presence or absence of data loss.
- the data collection system according to the second viewpoint is the system according to the first viewpoint, and the receiving side device acquires information regarding the communication state with the transmitting side device.
- the determination unit further determines the data loss period based on the information regarding the communication state.
- the data collection system is a system according to the first viewpoint or the second viewpoint, and the transmitting side device accumulates data when an abnormality is detected in communication with the receiving side device.
- the transmitting device transmits the accumulated data, the accumulation start date and time of the accumulated data, and the accumulation end date and time of the accumulated data to the receiving terminal. ..
- the determination unit of the receiving terminal further determines the data loss period. The data loss period is determined based on the accumulated data received from the transmitting device, the accumulation start date and time of the accumulated data, and the accumulation end date and time of the accumulated data.
- the data collection system according to the fourth viewpoint is the system according to the third viewpoint, and the accumulation end date and time of the accumulated data is always updated when the data is accumulated.
- the data collection system according to the fifth viewpoint is a system according to the third viewpoint or the fourth viewpoint, and the transmitting side device and the receiving side device are always connected.
- the receiving side device detects an abnormality based on the fact that the connection between the transmitting side device and the receiving side device is cut off.
- the data collection system is a system according to any one of the third to fifth viewpoints, and the receiving side device further receives the date and time information in addition to the data.
- the receiving device determines whether or not there is untransmitted data in the transmitting device based on the date and time information.
- the data collection system according to the 7th viewpoint is a system according to any of the 3rd to 6th viewpoints, and the receiving side device monitors when the transmitting side device detects an abnormality in communication with the receiving side device. Do not execute the aggregation process of the target data.
- the data collection system according to the eighth viewpoint is a system according to any one of the third to seventh viewpoints, and when the power supply of the transmitting side device is restored, the transmitting side device monitors the accumulated data and the current state. Send the target data to the receiving device.
- the receiving side device is a receiving side device that collects data to be monitored by communicating with the transmitting side device.
- the receiving side device includes a receiving unit and a determining unit.
- the receiving unit receives data from the transmitting device when the data changes.
- the determination unit determines the presence or absence of data loss.
- the receiving side device is the receiving side device of the ninth viewpoint, and further includes a transmitting unit.
- the transmission unit transmits information regarding the presence or absence of data loss determined by the determination unit to another device.
- the data collection method is a data collection method in a data collection system that collects data to be monitored by communicating between a transmission side device and a reception side device.
- the data collection method includes an acquisition step, a transmission step, a reception step, and a determination unit step.
- the acquisition step the transmitting device acquires data from the monitored object.
- the transmission step the transmitting device transmits the data to the receiving device when the data changes.
- the receive step the receiving device receives data from the transmitting device.
- the determination step the receiving device determines whether or not there is data loss.
- the data collection system can determine the presence or absence of data loss.
- FIG. 1 is a schematic diagram showing a configuration of a data collection system 1 according to an embodiment of the present disclosure.
- a plurality of devices having similar functions are commonly described, they will be described with the same reference numerals.
- the description will be given with a subscript in lowercase letters. Subscripts are used for convenience of explanation, but these represent arbitrary numbers, and the quantity is not limited thereto.
- the data collection system 1 is a system that collects a large number of data x to be monitored by one receiving device 30.
- the receiving side device 30 is installed in the central management center 3.
- facilities 2 2a to 2c.
- Facility 2 is, for example, an office building, a commercial building, and a condominium.
- one or a plurality of air conditioners 10 (10a to 10f) are installed in each facility 2 as an example of a monitoring target.
- One of a plurality of transmitting side devices 20 (20a, 20b) is connected to each air conditioner 10.
- a plurality of air conditioners 10 may be connected to one transmitting side device 20.
- the receiving side device 30 collects the data x to be monitored from each transmitting side device 20 and performs aggregation processing. This makes it possible to monitor the status of the monitored object.
- the receiving side device 30 is connected to the transmitting side device 20 via the communication network NW.
- the communication network NW includes a WAN (Wide Area Network) that spans multiple properties.
- the communication network NW includes the Internet.
- monitoring target of the data collection system 1 an “air conditioner” that cools or heats the target space will be described as an example.
- the monitoring target of the data collection system 1 according to the present embodiment is not limited to the air conditioner.
- FIG. 2 is a schematic view showing the configuration of the air conditioner 10 according to the present embodiment.
- the air conditioner 10 has a refrigerant circuit composed of a compressor, a heat exchanger, and the like (not shown).
- the air conditioner 10 has an outdoor unit 11 and a plurality of indoor units 12 (12a to 12d).
- the outdoor unit 11 is a device that functions as a heat source for the refrigerant circuit, and is installed, for example, on the rooftop or basement of the facility 2.
- the indoor unit 12 cools and heats the target space based on an operation signal input from an operation panel or a remote controller installed in the room.
- the indoor units 12a to 12d are distributed and installed on, for example, a plurality of floors of the facility 2 or an installation space such as a plurality of rooms.
- the outdoor unit 11 is provided with an outdoor control unit 11X.
- the outdoor control unit 11X is composed of a CPU, a memory, a communication interface, and the like (not shown).
- the indoor units 12a to 12d are provided with a corresponding one of the indoor control units 12Xa to 12Xd.
- Each indoor control unit 12X is composed of a CPU, a memory, a communication interface, and the like (not shown).
- the outdoor control unit 11X and the indoor control unit 12X are connected via a dedicated communication line.
- Various sensors are appropriately attached to the air conditioner 10 at predetermined locations. With these sensors, the room temperature, the ambient temperature, the temperature and pressure of the refrigerant sucked into the compressor, the temperature and pressure of the refrigerant discharged from the compressor, the temperature of the refrigerant in the evaporator, and the temperature of the refrigerant in the condenser Etc. are detected.
- the current values detected by the various sensors are stored in the memory of the outdoor control unit 11X or the indoor control unit 12X as "data x related to the air conditioner 10 (hereinafter, data x)" for a predetermined period of time.
- the acquired data x includes identification information of the air conditioner 10 (outdoor unit 11 or indoor unit 12) and information on the date and time when the data x was acquired.
- the data x is acquired, for example, every predetermined time (for example, every minute).
- the outdoor unit 11 is equipped with a connection portion 11Y.
- the data x is transmitted to the transmitting side device 20 at predetermined time intervals via the connecting unit 11Y. Alternatively, the data x is transmitted to the transmitting side device 20 based on the data transmission request acquired from the transmitting side device 20 via the connecting unit 11Y.
- FIG. 3 is a schematic view showing the configuration of the transmitting side device 20 according to the present embodiment.
- the transmitting side device 20 collects data x related to the air conditioner 10 by connecting to the outdoor control unit 11X.
- the transmitting device 20 is called an edge, and is, for example, a server, a computer, or the like.
- each transmitting side device 20 has a transmitting side storage unit 21, a transmitting side communication unit 22, a transmitting side processing unit 23, and a transmitting side connecting unit 24.
- the transmission-side storage unit 21 stores various types of information, and is composed of a non-volatile memory, a volatile memory, and the like.
- the transmitting side storage unit 21 stores a program for executing various functions of the transmitting side device 20 and various information for executing the program.
- the transmitting side storage unit 21 includes a first storage area 21a, a second storage area 21b, and a third storage area 21c.
- the first storage area 21a, the second storage area 21b, and the third storage area 21c are tables for storing data x, and are used for each identification information of the air conditioner 10 (outdoor unit 11 or indoor unit 12). , It is provided for each type of data x.
- the data x is stored in chronological order based on the date and time information included in the data x.
- the data x stored in the first storage area 21a, the second storage area 21b, and the third storage area 21c can be updated as appropriate.
- the first storage area 21a stores all the data x acquired from the air conditioner 10 via the transmission side connection unit 24. That is, the data x stored in the first storage region 21a includes the data x stored in the second storage region 21b and the data x stored in the third storage region 21c.
- the second storage area 21b is determined when the data change determination unit 23b determines that the data x acquired from the air conditioner 10 has changed compared to the latest data x stored in the first storage area 21a.
- the data x acquired from the air conditioner 10 is accumulated.
- the data x stored in the second storage area 21b may be deleted from the second storage area 21b when transmitted to the receiving device 30.
- the data x stored in the second storage area 21b is stored as untransmitted data if it has not yet been transmitted to the receiving device 30, and stored as transmitted data x if it has been transmitted to the receiving device 30. May be done.
- the third storage area 21c stores data x to be transmitted to the receiving side device 30 when an abnormality in communication with the receiving side device 30 is detected.
- the data x stored in the third storage area 21c is the data x stored in the second storage area 21b, and is normally stored in the receiving device 30 due to an abnormality in communication with the receiving device 30. Data x that could not be transmitted.
- the data x stored in the third storage area 21c is associated with information on the storage start time and the storage end time, which will be described later.
- the data x stored in the third storage area 21c may be deleted from the third storage area 21c when transmitted to the receiving device 30.
- the data x stored in the third storage area 21c is stored as untransmitted data if it has not yet been transmitted to the receiving device 30, and stored as transmitted data x if it has been transmitted to the receiving device 30. May be done.
- the transmission-side communication unit 22 is a communication interface for executing communication with an external network including a communication network NW.
- the transmitting side communication unit 22 includes a transmitting side transmitting unit 22a for transmitting data x and the like to an external device including the receiving side device 30, a transmitting side receiving unit 22b for receiving a data transmission request and the like from the external device, and the like. including.
- the communication processing performed via the transmitting side communication unit 22 is controlled by the transmitting side processing unit 23.
- the transmission-side processing unit 23 includes a CPU, a cache memory, and the like, and executes various types of information processing.
- the transmission side processing unit 23 includes a data acquisition unit 23a, a data change determination unit 23b, a data transmission determination unit 23c, a power recovery processing unit 23d, an untransmitted data determination unit 23e, and a date and time information generation unit 23f.
- the data acquisition unit 23a acquires data x from the air conditioner 10 via the transmission side connection unit 24.
- the data x may be acquired by being automatically transmitted from the air conditioner 10 at predetermined time intervals, or acquired based on the data acquisition unit 23a sending a data transmission request via the transmission side connection unit 24. May be done.
- the data x acquired by the data acquisition unit 23a is stored in the first storage area 21a of the transmission side storage unit 21.
- the data change determination unit 23b performs a process of determining whether or not the data has changed.
- the data change determination unit 23b the data x acquired from the air conditioner 10 via the transmission side connection unit 24 is stored in the first storage area 21a of the transmission side storage unit 21.
- a process of determining whether or not the data has changed is performed by comparing with the latest data x.
- the latest data x stored in the first storage area 21a of the transmission side storage unit 21 is information on the date and time included in each data x among the plurality of data x stored in the first storage area 21a. It is the latest data x in the time series order based on.
- the latest data x stored in the first storage area 21a of the transmitting side storage unit 21 is the data x acquired immediately before the data x acquired from the air conditioner 10.
- the data change determination unit 23b determines that the data x acquired from the air conditioner 10 has changed compared to the latest data x stored in the transmitting side storage unit 21, the data acquired from the air conditioner 10 A process of accumulating x in the second storage area 21b of the transmission side storage unit 21 is performed. Further, the data change determination unit 23b performs a process of transmitting the data x determined that the data x has changed to the receiving side device 30 via the transmitting side transmitting unit 22a. On the other hand, when the data change determination unit 23b determines that the data x has not changed, the data change determination unit 23b completes the process. In other words, the data change determination unit 23b transmits the data x to the receiving device 30 when the data x acquired from the air conditioner 10 changes.
- the data acquisition unit 23a acquires the data x (data x in the state related to the power ON / OFF of the indoor unit 12a) every 5 minutes as shown in FIG. 4, the data change determination unit 23b is converted to the data x. Only the data x whose date and time information is included is 12:00, 12:15, 12:40 is transmitted to the receiving device 30.
- the data transmission determination unit 23c determines whether or not the process of transmitting the data x to the receiving device 30 is normally completed based on the process of the data change determination unit 23b. Perform processing. In other words, the data transmission determination unit 23c detects an abnormality in communication with the receiving side device 30 and determines whether or not the data x is normally received by the receiving side device 30.
- the abnormality in communication is a state in which the transmitting side device 20 cannot normally transmit the data x to the receiving side device 30, or a state in which the receiving side device 30 cannot normally receive the data x, and the transmitting side device The communication between the 20 and the receiving device 30 is cut off.
- FIG. 5 is a schematic diagram showing a case where an abnormality occurs in communication between the transmitting side device 20 and the receiving side device 30.
- the data transmission determination unit 23c detects an abnormality in communication with the receiving side device 30, the data transmission determination unit 23c stores the data x that could not be normally transmitted to the receiving side device 30 in the third storage area 21c of the transmitting side storage unit 21. I do.
- the data transmission determination unit 23c detects a communication abnormality that occurred at 12:05 in communication with the receiving side device 30. Therefore, the data transmission determination unit 23c is a process of accumulating the data x (here, the data x indicating that the power is turned off) that could not be normally transmitted to the receiving device 30 at 12:30 in the third storage area 21c. I do.
- the data transmission determination unit 23c when the data transmission determination unit 23c does not detect an abnormality in communication with the receiving side device 30, when the data x stored in the third storage area 21c of the transmitting side storage unit 21 exists, the data x is stored. A process of transmitting data to the receiving side device 30 via the transmitting side transmitting unit 22a is performed. In other words, when the abnormality in the communication with the receiving side device 30 is recovered, the data transmission determination unit 23c uses the data x accumulated in the third storage area 21c during the period in which the abnormality in the communication occurs in the receiving side device. Send to 30. For example, in FIG. 5, the data transmission determination unit 23c detects that the communication state with the receiving device 30 has been restored at 13:15. Therefore, at 13:15, the data transmission determination unit 23c transmits the data x stored in the third storage area 21c (data x that could not be normally transmitted to the receiving device 30 at 12:30) to the receiving device 30. do.
- the data transmission determination unit 23c acquires the accumulation start date and time when the accumulation of data x is started in the third storage area 21c and the accumulation end date and time when the accumulation of data x is completed in the third storage area 21c.
- the storage start date and time and the storage end date and time are associated with the data x stored in the third storage area 21c and transmitted to the receiving device 30.
- FIG. 6 is a schematic diagram showing a case where the power supply of the transmitting side device 20 is recovered from the cut-off state.
- the power restoration processing unit 23d performs the power restoration processing at the timing when the power of the transmitting side device 20 is restored from the cut-off state.
- the power restoration process is a process of transmitting the untransmitted data to the receiving side device 30 via the transmitting side communication unit 22 when there is untransmitted data accumulated in the transmitting side storage unit 21.
- the power restoration processing unit 23d can determine the presence or absence of untransmitted data based on the data x stored in the second storage area 21b and the third storage area 21c of the transmission side storage unit 21. For example, in FIG. 6, the power restoration processing unit 23d transmits the data x received at 12:10 to the receiving device 30.
- the power restoration processing unit 23d transmits a data transmission request to the air conditioner 10 via the transmission side communication unit 22 as the power restoration processing, and acquires the current value of the air conditioner 10.
- the current value of the air conditioner 10 is the air conditioner at the timing when the power supply of the transmitting side device 20 is restored or the timing when a predetermined period (for example, one minute later) has elapsed since the power supply of the transmitting side device 20 is restored. 10 is the data x.
- the power restoration processing unit 23d performs a process of transmitting the current value acquired from the air conditioner 10 to the receiving device 30.
- the current value is stored in the fourth storage area 31a as one of the data x in the receiving device 30.
- the current value in FIG. 6 is a current value based on the data transmission request transmitted to the air conditioner 10 by the power restoration processing unit 23d.
- Untransmitted data determination unit 23e performs a process of determining whether or not all the data x to be transmitted to the receiving side device 30 has been transmitted at a predetermined timing set in advance. In other words, the untransmitted data determination unit 23e determines the presence or absence of untransmitted data at a predetermined timing.
- the predetermined timing can be set, for example, at a predetermined time, every predetermined time, or when an untransmitted data transmission request is received from the receiving side device 30.
- the untransmitted data determination unit 23e determines the presence or absence of untransmitted data based on the data x accumulated in the second storage area 21b and the third storage area 21c of the transmission side storage unit 21. When the untransmitted data determination unit 23e determines that there is untransmitted data, the untransmitted data determination unit 23e performs a process of transmitting the untransmitted data to the receiving side device 30.
- Date and time information generation unit 23f The date / time information generation unit 23f generates date / time information y indicating that all the data x up to the predetermined period has been transmitted to the receiving side device 30 at a predetermined timing set in advance.
- the predetermined timing can be set, for example, at a predetermined time, every predetermined time, and the like.
- the date and time information y includes information on the date and time at a predetermined timing.
- the date and time information y generated by the date and time information generation unit 23f is transmitted to the receiving side device 30 via the transmitting side communication unit 22.
- the date / time information generation unit 23f recovers from the communication abnormality and transmits the untransmitted data to the receiving side device 30.
- the date and time information y is generated at the timing after the transmission to.
- the date and time information generation unit 23f becomes widespread from the power cutoff, and after transmitting untransmitted data to the receiving side device 30. Date and time information y is generated at the timing.
- the date / time information generation unit 23f generates the date / time information y at 13:00 in the case of FIG. 4 in which there is no communication abnormality between the transmitting side device 20 and the receiving side device 30 and the power supply of the transmitting side device 20 is cut off. Then, it is transmitted to the receiving side device 30.
- the date / time information generation unit 23f indicates that the data transmission determination unit 23c is in a communication state with the reception side device 30.
- the date and time information y is generated and received at the timing (13:25 in this case) after the data x stored in the third storage area 21c of the transmitting side storage unit 21 is transmitted to the receiving side device 30. It is transmitted to the side device 30.
- the date and time information generation unit 23f generates the date and time information y at the timing (here, 13:25) after the power restoration processing unit 23d performs the power restoration processing. Generate and transmit to the receiving device 30.
- the transmission side connection unit 24 is an interface for connecting to the connection unit 11Y of the outdoor unit 11.
- the transmitting side device 20 can acquire data x from the outdoor control unit 11X via the transmitting side connecting unit 24. Further, the transmitting side device 20 can send a data transmission request to the outdoor control unit 11X via the transmitting side connecting unit 24.
- the receiving side device 30 shown in FIG. 6 is connected to each of one or a plurality of transmitting side devices 20 via a communication network NW, and collects and aggregates data x of a plurality of air conditioners 10. Perform processing.
- the receiving device 30 is, for example, a supercomputer, a workstation, a personal computer, a tablet device, a smartphone, or the like. Further, for example, the receiving side device 30 may be configured by connecting a plurality of computers and devices via a network.
- the receiving side device 30 includes a receiving side storage unit 31, a receiving side communication unit 32, a receiving side processing unit 33, and a receiving side output unit 34.
- the receiving side storage unit 31 stores various types of information, and includes a ROM, a RAM, and / or a hard disk.
- the receiving side storage unit 31 stores a program for executing various functions of the receiving side device 30 and various information for executing the program.
- the receiving side storage unit 31 includes a fourth storage area 31a, a fifth storage area 31b, and a sixth storage area 31c.
- the fourth storage area 31a, the fifth storage area 31b, and the sixth storage area 31c are tables for storing data x, and are used for each identification information of the air conditioner 10 (outdoor unit 11 or indoor unit 12). , It is provided for each type of data x.
- the fourth storage area 31a and the fifth storage area 31b it is preferable that the data x is stored in chronological order based on the date and time information included in the data x.
- the fourth storage area 31a stores all the data x received from the transmitting side device 20 via the receiving side communication unit 32.
- the aggregate of data x is one or a plurality of data x acquired in a predetermined period based on the date and time information included in the data x.
- the sixth storage area 31c stores the data x that has been aggregated by the aggregation processing unit.
- the receiving side communication unit 32 is a communication interface for executing communication with an external network including a communication network NW.
- the receiving side communication unit 32 includes a receiving side transmitting unit 32a for transmitting a data transmission request or the like to an external device including the transmitting side device 20 and a receiving side receiving unit 32b for receiving data x from the external device. include.
- the communication processing performed via the receiving side communication unit 32 is controlled by the receiving side processing unit 33.
- the receiving side processing unit 33 includes a CPU, a cache memory, and the like, and executes various types of information processing.
- the receiving side processing unit 33 includes a data acquisition unit 33a, a data loss determination unit 33b, and a data aggregation processing unit 33c.
- the data acquisition unit 23a acquires data x from the transmission side device 20 via the reception side communication unit 32.
- the data x acquired by the data acquisition unit 23a is stored in the fourth storage area 31a of the receiving side storage unit 31.
- the data loss determination unit 33b performs a determination process of whether or not the data x acquired by the data acquisition unit 23a has a data defect, and a data loss period determination process.
- the data loss is a state in which the data x cannot be normally received from the transmitting device 20. In other words, it means a state in which the data x to be stored is not stored in the fifth storage area 31b of the receiving side storage unit 31.
- the data loss determination unit 33b performs determination processing in the period up to the date and time information y at the timing when the date and time information y generated by the date and time information generation unit 23f of the transmitting side device 20 is received.
- the data loss determination unit 33b first performs a simple determination process of whether or not there is a data loss based on the information regarding the communication state.
- the information regarding the communication state is, for example, information indicating that the communication with the transmitting side device 20 was normal until a predetermined time.
- the data loss determination unit 33b can simply determine that there is no data loss up to the predetermined time based on the information that the communication with the transmitting side device 20 was normal until the predetermined time.
- the information regarding the communication state is the information at the time when an abnormality occurs in the communication with the transmitting side device 20.
- the data loss determination unit 33b can easily determine that there is a possibility of data loss up to the predetermined time based on the information of the time when the communication with the transmission side device 20 has an abnormality. Based on this determination, the data loss determination unit 33b can transmit an untransmitted data transmission request to the transmitting side device 20.
- the data loss determination unit 33b sets the information of the time when an abnormality occurs in the communication with the transmitting side device 20 and the storage start date and time and the storage end date and time associated with the untransmitted data received from the transmitting side device 20. Based on the information and the date and time information y generated by the date and time information generation unit 23f of the transmitting side device 20, a process of determining the presence or absence of data loss and the occurrence period of data loss in more detail is performed.
- the data loss determination unit 33b includes information on the storage start date / time and storage end date / time of the stored data received from the transmitting side device 20 as untransmitted data during the period when an abnormality occurs in communication with the transmitting side device 20, and the date and time.
- the data x up to the date and time generated by the information generation unit 23f is based on the date and time information y indicating that the transmitting side device 20 has been transmitted. Determine if it exists.
- the data loss determination unit 33b associates the information that the time when an abnormality occurs in the communication with the transmitting side device 20 is 12:05 with the untransmitted data received from the transmitting side device 20.
- the data loss determination unit 33b states that there is no data loss because all the untransmitted data from the time when the communication abnormality with the transmitting side device 20 occurred to the time when the communication abnormality was recovered was accumulated and could be received. judge.
- the data loss determination unit 33b transmits information that the time when an abnormality occurs in communication with the transmitting side device 20 (communication abnormality due to power interruption of the transmitting side device 20) is 12:10. Based on the date and time information y (information that all the data up to 13:25 has been transmitted) generated by the date and time information generation unit 23f of the side device 20, the presence or absence of data loss and the occurrence period of data loss are described in more detail. Perform the judgment process.
- the data loss determination unit 33b does not receive the data of the power cutoff period of the transmitting side device 20 as untransmitted data because it is not stored in the transmitting side device 20.
- the data loss determination unit 33b waits further based on the date and time information y (information indicating that all the data up to 13:25 has been transmitted) generated by the date and time information generation unit 23f of the transmitting side device 20. However, it is determined that there is no additional data transmitted from the transmitting device 20, that is, all the data acquired by the transmitting device 20 has been received. As a result, the data loss determination unit 33b determines that the period (12: 10-13: 00) of the data aggregation period (12: 00-13: 00) is the data loss period.
- the data aggregation processing unit 33c performs aggregation processing on the aggregate of data for which the data loss determination unit 33b has been subjected to the determination processing of whether or not there is a data loss and the determination processing of the data loss period.
- the one or more data x received by the receiving device 30 is not aggregated unless the receiving device 30 receives the date and time information y.
- the data aggregation processing unit 33c performs aggregation processing of the data aggregate (one or a plurality of data x) accumulated in the fifth storage area 31b.
- the aggregation process is a process set in advance for each identification information of the air conditioner 10 (outdoor unit 11 or indoor unit 12) and for each type of data x.
- the data aggregate processed by the data aggregation processing unit 33c is accumulated in the sixth storage area 31c of the receiving side storage unit 31.
- the receiving side output unit 35 outputs various information, and is composed of various displays, speakers, and the like.
- the receiving side output unit 35 can output the data aggregate stored in the sixth storage area 31c.
- FIGS. 8 and 9 are schematic diagrams for explaining the flow of processing in the data collection system 1 according to the present embodiment.
- a data collection method related to the data x in the state related to the power ON / OFF of the indoor unit 12a will be described.
- FIGS. 8 and 9 show the flow of processing in the relationship between one air conditioner 10, one transmitting side device 20, and one receiving side device 30, but the quantity is limited to this. It is not something that is done.
- the outdoor control unit 11X and the indoor control unit 12X of the air conditioner 10 acquire data x (a state related to power ON / OFF of the indoor unit 12a) at predetermined intervals.
- the acquired data x is temporarily stored in the memory and sent to the transmitting side device 20 via the connection unit 11Y (step S1).
- the data acquisition unit 23a of the transmission side device 20 acquires data x from the air conditioner 10 via the transmission side connection unit 24 (step S2).
- the acquired data x is stored in the first storage area 21a of the transmission side storage unit 21 (step S3).
- the data change determination unit 23b determines whether or not the data x has changed in comparison with the latest data x (step S4). If it is determined in step S3 that the data x acquired in step S2 has not changed, the transmitting side device 20 ends the process.
- step S3 when it is determined that the data x acquired in step S2 has changed, the data acquisition unit 23a stores the data x in the first storage area 21a and the second storage area 21b of the transmission side storage unit 21. Performs the process of accumulating in (step S5). Further, the data change determination unit 23b performs a process of transmitting the data x to the receiving side device 30 via the transmitting side transmitting unit 22a (step S6).
- the data transmission determination unit 23c determines whether or not the transmission process of the data x in step S6 is normally completed (step S7). In other words, the data transmission determination unit 23c detects an abnormality in communication with the receiving side device 30. If no abnormality in communication with the receiving device 30 is detected in step S7, the data transmission determination unit 23c ends the process (moves to step S10). On the other hand, when an abnormality in communication with the receiving side device 30 is detected in step S7, the process of accumulating the data x that could not be normally transmitted to the receiving side device 30 in the third storage area 21c of the transmitting side storage unit 21. (Step S8). Then, the data transmission determination unit 23c performs a process of transmitting the data x to the receiving side device 30 when the abnormality in the communication with the receiving side device 30 is recovered (step S9).
- the date / time information generation unit 23f generates date / time information y indicating that all the data x up to the predetermined period has been transmitted to the receiving device 30 at a predetermined timing set in advance (step S10).
- the date / time information generation unit 23f generates the date / time information y at the timing after recovering from the communication abnormality and transmitting the untransmitted data. ..
- some communication abnormality is a case where a communication abnormality between the transmitting side device 20 and the receiving side device 30 has occurred, or a case where the power supply of the transmitting side device 20 is cut off.
- the date and time information y generated by the date and time information generation unit 23f is transmitted to the receiving side device 30 via the transmitting side communication unit 22 (step S11).
- the data acquisition unit 23a of the receiving side device 30 acquires the data x normally transmitted in step S7 or the data x transmitted in step S9 via the receiving side communication unit 32 (step S12).
- the acquired data x is stored in the fourth storage area 31a of the receiving side storage unit 31 (step S13).
- the receiving side device 30 receives the date and time information y via the receiving side communication unit 32 (step S14).
- the receiving side device 30 associates one or a plurality of data x up to the date and time included in the date and time information y, and stores the fifth storage unit 31 of the receiving side storage unit 31 as a data aggregate.
- the process of accumulating in the area 31b is performed (step S15).
- the data loss determination unit 33b of the receiving device 30 performs a simple determination process of whether or not one or a plurality of data x stored in the fifth storage area 31b has a data loss at a predetermined timing (step). S16).
- the simple determination process in step S16 is determined based on the information regarding the communication state.
- the data loss determination unit 33b of the receiving side device 30 determines the time when an abnormality occurs in communication with the transmitting side device 20. Based on the information, the storage start date / time and storage end date / time information associated with the untransmitted data received from the transmitting side device 20, and the date / time information y generated by the date / time information generation unit 23f of the transmitting side device 20. Therefore, a process of determining the presence / absence of data loss and the occurrence period of data loss in more detail is performed (step S17).
- the data aggregation processing unit 33c performs aggregation processing of the data aggregate accumulated in the fifth storage area 31b (step S18).
- the data aggregate processed by the data aggregation processing unit 33c is accumulated in the sixth storage area 31c of the receiving side storage unit 31 (step S19).
- the data aggregation processing unit 33c can perform the aggregation processing by using the result of the processing by the data loss determination unit 33b in steps S16 and S17.
- the data collection system 1 is a system that collects data x of the air conditioner 10 as a monitoring target.
- the data collection system 1 includes a transmitting side device 20 and a receiving side device 30.
- the transmitting side device 20 has a data acquisition unit 23a as an acquisition unit and a transmitting side transmitting unit 22a as a transmitting unit.
- the data acquisition unit 23a acquires data x from the air conditioner 10.
- the transmitting side transmitting unit 22a transmits the data x to the receiving side device 30.
- the receiving side device 30 has a receiving side receiving unit 32b as a receiving unit and a data loss determining unit 33b as a determining unit.
- the receiving side receiving unit 32b receives the data x from the transmitting side device 20.
- the data loss determination unit 33b determines the presence or absence of data loss.
- a system for monitoring a device by collecting data x related to the device has been operated.
- Some such systems include a transmitting side device that is connected to the device and acquires data x from a sensor or the like mounted on the device, and a receiving side device that collects the data x acquired by the transmitting side device.
- the transmitting side device or the receiving side device may be lost.
- the receiving side device 30 includes a data loss determination unit 33b, and determines the presence or absence of data loss.
- the transmitting side device 20 is requested to receive the untransmitted data accumulated by the transmitting side device 20, or the aggregation process or the like performed in the data collection system 1 is not performed. Can be dealt with. As a result, the accuracy of the result of the aggregation process or the like performed in the data collection system 1 can be ensured.
- the receiving side device 30 of the data collection system 1 acquires information regarding the communication state with the transmitting side device 20.
- the data loss determination unit 33b further determines the data loss period based on the information regarding the communication state.
- the transmitting side device 20 of the data collection system 1 accumulates data x when an abnormality is detected in communication with the receiving side device 30.
- the transmitting side device 20 sets the accumulated data, which is the accumulated data x, the storage start date and time of the stored data, and the storage end date and time of the stored data. Send to 30.
- the data loss determination unit 33b of the receiving device 30 further determines the data loss period. The data loss period is determined based on the accumulated data received from the transmitting side device 20, the accumulation start date and time of the accumulated data, and the accumulation end date and time of the accumulated data.
- the storage end date and time of the stored data is always updated when the data x is stored.
- the receiving side device 30 of the data collection system 1 receives the date and time information y indicating to what point in time the data x has been transmitted by the transmitting side device in addition to the data x.
- the receiving side device 30 determines the presence / absence of untransmitted data x in the transmitting side device 20 based on the date / time information y.
- the data collection system 1 can confirm the presence or absence of untransmitted data x or the like based on the determined data loss period.
- the transmitting side device 20 and the receiving side device 30 of the data collection system 1 according to the present disclosure are always connected.
- the receiving side device 30 detects an abnormality based on the fact that the connection between the transmitting side device 20 and the receiving side device 30 is cut off.
- the receiving side device 30 of the data collection system 1 does not execute the aggregation process of the data x of the air conditioner 10 when the transmitting side device 20 detects an abnormality in the communication with the receiving side device 30.
- the data collection method in the data collection system 1 is a data collection method in the data collection system 1 that collects data x of the air conditioner 10 by communicating between the transmission side device 20 and the reception side device 30. ..
- the data collection method includes acquisition step S2, transmission step S3, reception step S10, and determination step S14.
- the transmitting side device 20 acquires the data x from the air conditioner 10.
- the transmission step S3 when the data x changes, the transmitting side device 20 transmits the data x to the receiving side device 30.
- the receiving step S10 the receiving side device 30 receives the data x from the transmitting side device 20.
- the determination step S14 the receiving device 30 determines whether or not there is a data loss.
- the receiving side device 30 shown in the present disclosure includes a receiving side transmitting unit 32a as a transmitting unit.
- the receiving side transmitting unit 32a can transmit the information regarding the presence or absence of the data loss determined by the data loss determining unit 33b to another device. As a result, even when the aggregation process or the like is performed by another device, if there is a data loss, it is possible to take measures such as not performing the aggregation process.
- the receiving side device 30 shown in the present disclosure may perform the aggregation process when the information indicating that there is no untransmitted data is acquired from the transmitting side device 20. Information indicating that there is no untransmitted data is transmitted from the transmitting side device 20 to the receiving side device 30. It is possible to guarantee the accuracy of the result of the aggregation process or the like performed in the data collection system 1.
- Air conditioner (monitored target) 20 Transmission side device 22a Transmission side transmission unit 23a Data acquisition unit 30 Reception side device 32a Reception side transmission unit 32b Reception side reception unit 33b Data loss determination unit S2 Acquisition step S6 Transmission step S12 Reception step S16,17 Judgment step x Data y Date and time information
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Abstract
Description
図1は本開示の一実施形態に係るデータ収集システム1の構成を示す模式図である。なお、以下の説明において、同様の機能を有する複数の装置について共通の説明をする場合は同一符号を付して説明する。同様の機能を有する複数の装置から、一の装置を区別して説明するときには英小文字の添え字を付して説明する。説明の便宜上、添え字を用いるが、これらは任意の数を表しており、数量がこれに限定されるものではない。
以下、本実施形態に係るデータ収集システム1の監視対象として、対象空間の冷房や暖房を行う「空調機」を例として説明する。ただし、本実施形態に係るデータ収集システム1の監視対象は空調機に限られるものではない。
図3は本実施形態に係る送信側装置20の構成を示す模式図である。送信側装置20は、室外制御部11Xに接続することで空調機10に係るデータxを収集する。送信側装置20はエッジと呼ばれるものであって、例えばサーバ、コンピュータ等である。各送信側装置20は、図3に示すように、送信側記憶部21と、送信側通信部22と、送信側処理部23と、送信側接続部24と、を有する。
送信側記憶部21は、各種情報を記憶するものであり、不揮発性メモリ及び揮発性メモリ等により構成される。例えば、送信側記憶部21は、送信側装置20の各種機能を実行するためのプログラムと、プログラムを実行するための各種情報を記憶する。送信側記憶部21は、第1蓄積領域21aと、第2蓄積領域21bと、第3蓄積領域21cと、を含む。なお、第1蓄積領域21a、第2蓄積領域21b、および第3蓄積領域21cは、データxを蓄積するテーブルであって、空調機10(室外機11又は室内機12)の識別情報毎、かつ、データxの種類毎に設けられる。第1蓄積領域21a、第2蓄積領域21b、および第3蓄積領域21cにおいて、データxは、データxに含まれる日時の情報に基づいて時系列順に記憶される。第1蓄積領域21a、第2蓄積領域21b、および第3蓄積領域21cに蓄積されたデータxは、適宜更新することが可能である。
送信側通信部22は、通信ネットワークNWを含む外部ネットワークとの通信を実行するための通信インタフェースである。送信側通信部22は、受信側装置30を含む外部装置にデータx等を送信するための送信側送信部22aと、外部装置からデータ送信要求等を受信するための送信側受信部22bと、を含む。送信側通信部22(送信側送信部22a及び送信側受信部22b)を介して行われる通信処理は、送信側処理部23によって制御されている。
送信側処理部23は、CPUおよびキャッシュメモリ等を含み、各種情報処理を実行する。送信側処理部23は、データ取得部23a、データ変化判定部23b、データ送信判定部23c、電源復旧処理部23d、未送信データ判定部23e、および日時情報生成部23fを含む。
データ取得部23aは、送信側接続部24を介して空調機10からデータxを取得する。データxは、所定時間毎に空調機10から自動的に送信されることによって取得されてもよいし、データ取得部23aが送信側接続部24を介してデータ送信要求を送ることに基づいて取得されてもよい。データ取得部23aによって取得されたデータxは送信側記憶部21の第1蓄積領域21aに記憶される。また、これと同時に、データ変化判定部23bにおいて変化しているか否かを判定する処理が行われる。
データ変化判定部23bは、送信側接続部24を介して空調機10から取得したデータxが、送信側記憶部21の第1蓄積領域21aに記憶された直近のデータxと比較して、変化しているか否かを判定する処理を行う。ここで、送信側記憶部21の第1蓄積領域21aに記憶された直近のデータxとは、第1蓄積領域21aに蓄積された複数のデータxのうち、各データxに含まれる日時の情報に基づく時系列順において最新のデータxである。言い換えると、送信側記憶部21の第1蓄積領域21aに記憶された直近のデータxとは、空調機10から取得したデータxの1つ前に取得されたデータxである。
データ送信判定部23cは、データ変化判定部23bの処理に基づいてデータxを受信側装置30に送信する処理が正常に完了したか否かを判定する処理を行う。言い換えると、データ送信判定部23cは、受信側装置30との通信における異常を検知して、該データxが受信側装置30に正常に受信されたか否かを判定する。ここで、通信における異常とは、送信側装置20がデータxを受信側装置30に正常に送信できない状態、又は、受信側装置30がデータxを正常に受信できない状態であって、送信側装置20と受信側装置30との通信が遮断された状態である。
図6は、送信側装置20の電源が遮断された状態から回復した場合を示す模式図である。電源復旧処理部23dは、送信側装置20の電源が遮断された状態から回復したタイミングにおいて、電源復旧処理を行う。電源復旧処理は、送信側記憶部21に蓄積された未送信データが有る場合に、該未送信データを送信側通信部22を介して受信側装置30に送信する処理である。電源復旧処理部23dは、送信側記憶部21の第2蓄積領域21b、および第3蓄積領域21cに蓄積されたデータxに基づいて、未送信データの有無を判定することが可能である。例えば、図6において、電源復旧処理部23dは、12:10に受信したデータxを受信側装置30に送信する。
未送信データ判定部23eは、あらかじめ設定された所定のタイミングにおいて、受信側装置30に送信するデータxがすべて送信済みであるか否かを判定する処理を行う。言い換えると、未送信データ判定部23eは、所定のタイミングにおいて未送信データの有無を判定する。ここで所定のタイミングとは、例えば、所定時刻、所定時間毎、又は、未送信データ送信要求を受信側装置30から受信したとき、等のように設定することが可能である。なお、未送信データ判定部23eは、送信側記憶部21の第2蓄積領域21b、および第3蓄積領域21cに蓄積されたデータxに基づいて、未送信データの有無を判定する。未送信データ判定部23eは、未送信データが有ると判定すると、該未送信データを受信側装置30に送信する処理を行う。
日時情報生成部23fは、あらかじめ設定された所定のタイミングにおいて、所定の期間までのデータxをすべて受信側装置30に送信済みであることを示す日時情報yを生成する。所定のタイミングとは、例えば、所定時刻、所定時間毎、等のように設定することが可能である。日時情報yには、所定のタイミングにおける日時の情報が含まれる。日時情報生成部23fにおいて生成された日時情報yは、送信側通信部22を介して受信側装置30に送信される。
送信側接続部24は、室外機11の接続部11Yに接続するためのインタフェースである。送信側装置20は、送信側接続部24を介することで、室外制御部11Xからデータxを取得することが可能である。また、送信側装置20は、送信側接続部24を介することで、室外制御部11Xにデータ送信要求を送ることが可能である。
図6に示される受信側装置30は、1つ又は複数の送信側装置20のそれぞれに通信ネットワークNWを介して接続し、複数の空調機10のデータxを収集し集計処理を行う。受信側装置30は、例えば、スーパーコンピュータ、ワークステーション、パーソナルコンピュータ、タブレットデバイス、又はスマートフォン等である。また例えば、受信側装置30は、複数のコンピュータやデバイスがネットワークで接続されることで構成されてもよい。
受信側記憶部31は、各種情報を記憶するものであり、ROM、RAM、及び/又はハードディスク等を含む。ここでは、受信側記憶部31は、受信側装置30の各種機能を実行するためのプログラムと、プログラムを実行するための各種情報を記憶する。受信側記憶部31は、第4蓄積領域31aと、第5蓄積領域31bと、第6蓄積領域31cと、を含む。なお、第4蓄積領域31a、第5蓄積領域31b、および第6蓄積領域31cは、データxを蓄積するテーブルであって、空調機10(室外機11又は室内機12)の識別情報毎、かつ、データxの種類毎に設けられる。第4蓄積領域31aおよび第5蓄積領域31bにおいて、データxは、データxに含まれる日時の情報に基づいて時系列順に記憶されることが好ましい。
受信側通信部32は、通信ネットワークNWを含む外部ネットワークとの通信を実行するための通信インタフェースである。受信側通信部32は、送信側装置20を含む外部装置にデータ送信要求等を送信するための受信側送信部32aと、外部装置からデータxを受信するための受信側受信部32bと、を含む。受信側通信部32(受信側送信部32a及び受信側受信部32b)を介して行われる通信処理は、受信側処理部33によって制御されている。
受信側処理部33は、CPUおよびキャッシュメモリ等を含み、各種情報処理を実行する。受信側処理部33は、データ取得部33a、データ欠損判定部33b、およびデータ集計処理部33c、を含む。
データ取得部23aは、受信側通信部32を介して送信側装置20からデータxを取得する。データ取得部23aによって取得されたデータxは受信側記憶部31の第4蓄積領域31aに蓄積される。
データ欠損判定部33bは、データ取得部23aによって取得されたデータxにデータ欠損が有るか否かの判定処理、及び、データ欠損期間の判定処理、を行う。ここで、データ欠損とは、送信側装置20から正常にデータxを受信できていない状態である。言い換えると、受信側記憶部31の第5蓄積領域31bに蓄積すべきデータxが蓄積されていない状態をいう。
データ集計処理部33cは、第5蓄積領域31bに蓄積されたデータ集合体(1又は複数のデータx)の集計処理を行う。集計処理は、空調機10(室外機11又は室内機12)の識別情報毎、かつ、データxの種類毎にあらかじめ設定された処理である。データ集計処理部33cにおいて集計処理されたデータ集合体は、受信側記憶部31の第6蓄積領域31cに蓄積される。
受信側出力部35は、各種情報を出力するものであり、種々のディスプレイ及びスピーカ等により構成される。例えば、受信側出力部35は、第6蓄積領域31cに蓄積されたデータ集合体を出力することが可能である。
図8,9は、本実施形態に係るデータ収集システム1における処理の流れを説明するための模式図である。なお、ここでは、室内機12aの電源ON/OFFに係る状態のデータxに係るデータ収集方法について説明する。図8,9では、1台の空調機10と、1台の送信側装置20と、1台の受信側装置30と、の関係における処理の流れが示されているが、数量がこれに限定されるものではない。
(6-1)
本開示に係るデータ収集システム1は、監視対象としての空調機10のデータxの収集を行うシステムである。データ収集システム1は、送信側装置20と、受信側装置30と、を備える。送信側装置20は、取得部してのデータ取得部23aと、送信部としての送信側送信部22aと、を有する。データ取得部23aは、空調機10からデータxを取得する。送信側送信部22aは、データxが変化したときに、データxを受信側装置30に送信する。受信側装置30は、受信部としての受信側受信部32bと、判定部としてのデータ欠損判定部33bと、を有する。受信側受信部32bは、送信側装置20からデータxを受信する。データ欠損判定部33bは、データ欠損の有無を判定する。
本開示に係るデータ収集システム1の受信側装置30は、送信側装置20との通信状態に関する情報を取得する。データ欠損判定部33bは、さらに、通信状態に関する情報に基づいてデータ欠損期間を判定する。
本開示に係るデータ収集システム1の送信側装置20と受信側装置30とは、常時接続されている。受信側装置30は、送信側装置20と受信側装置30との接続が遮断されたことに基づいて異常を検知する。
本開示に係るデータ収集システム1は、送信側装置20の電源が復旧した時に、送信側装置20が、蓄積データ、及び、現状の空調機10のデータxを受信側装置30に送信する。
本開示に係るデータ収集システム1におけるデータ収集方法は、送信側装置20と受信側装置30とが通信を行うことによって空調機10のデータxの収集を行うデータ収集システム1におけるデータ収集方法である。データ収集方法は、取得ステップS2と、送信ステップS3と、受信ステップS10と、判定ステップS14と、を備える。取得ステップS2は、送信側装置20が空調機10からデータxを取得する。送信ステップS3は、データxが変化したときに、送信側装置20がデータxを受信側装置30に送信する。受信ステップS10は、受信側装置30が送信側装置20からデータxを受信する。判定ステップS14は、受信側装置30がデータ欠損の有無を判定する。
(7-1)
本開示に示す受信側装置30は、送信部としての受信側送信部32aを備える。受信側送信部32aは、データ欠損判定部33bが判定したデータ欠損の有無に関する情報を、他の装置に送信することが可能である。これによって、他の装置において集計処理等を行う場合であっても、データ欠損が有る場合は集計処理を行わない等の対応をとることができる。
本開示に示す受信側装置30は、送信側装置20から未送信データが無い旨の情報を取得した場合において、集計処理を行ってもよい。送信側装置20から未送信データが無い旨の情報を受信側装置30に送信する。データ収集システム1において行われる集計処理等の結果の正確性を担保することができる。
以上、本開示の実施形態を説明したが、特許請求の範囲に記載された本開示の趣旨及び範囲から逸脱することなく、形態や詳細の多様な変更が可能なことが理解されるであろう。
10 空調機(監視対象)
20 送信側装置
22a 送信側送信部
23a データ取得部
30 受信側装置
32a 受信側送信部
32b 受信側受信部
33b データ欠損判定部
S2 取得ステップ
S6 送信ステップ
S12 受信ステップ
S16,17 判定ステップ
x データ
y 日時情報
Claims (11)
- 監視対象(10)のデータ(x)の収集を行うデータ収集システム(1)であって、
前記監視対象(10)から前記データ(x)を取得する取得部(23a)と、
前記データ(x)が変化したときに、前記データ(x)を送信する送信部(22a)と、
を有する送信側装置(20)と、
前記送信側装置(20)から前記データ(x)を受信する受信部(32b)と、
データ欠損の有無を判定する判定部(33b)と、
を有する受信側装置(30)と、
を備える、データ収集システム(1)。 - 前記受信側装置(30)は、前記送信側装置(20)との通信状態に関する情報を取得し、
前記判定部(33b)は、さらに、前記通信状態に関する情報に基づいてデータ欠損期間を判定する、
請求項1に記載のデータ収集システム(1)。 - 前記送信側装置(20)は、
前記受信側装置(30)との通信において異常を検知した場合に、前記データ(x)を蓄積し、
前記受信側装置(30)との通信において異常が回復した場合に、蓄積したデータ(x)である蓄積データ、前記蓄積データの蓄積開始日時、及び、前記蓄積データの蓄積終了日時、を前記受信側装置(30)に送信し、
前記受信側装置(30)の前記判定部(33b)は、さらに、
前記送信側装置(20)から受信した、前記蓄積データ、前記蓄積データの蓄積開始日時、及び、前記蓄積データの蓄積終了日時、に基づいてデータ欠損期間を判定する、
請求項1又は2に記載のデータ収集システム(1)。 - 前記蓄積データの蓄積終了日時は、前記データ(x)を蓄積する場合に常に更新される、
請求項3に記載のデータ収集システム(1)。 - 前記送信側装置(20)と前記受信側装置(30)とは常時接続されており、
前記受信側装置(30)は、前記送信側装置(20)と前記受信側装置(30)との接続が遮断されたことに基づいて前記異常を検知する、
請求項3又は4に記載のデータ収集システム(1)。 - 前記受信側装置(30)は、前記データ(x)に加え、さらに、日時情報(y)を受信し、前記日時情報(y)に基づいて前記送信側装置(20)における未送信の前記データ(x)の有無を判定する、
請求項3から5のいずれかに記載のデータ収集システム(1)。 - 前記受信側装置(30)は、前記送信側装置(20)が前記受信側装置(30)との通信において前記異常を検知した場合、前記監視対象(10)の前記データ(x)の集計処理を実行しない、
請求項3から6のいずれかに記載のデータ収集システム(1)。 - 前記送信側装置(20)の電源が復旧した時に、前記送信側装置(20)が、前記蓄積データ、及び、現状の前記監視対象(10)の前記データ(x)を前記受信側装置(30)に送信する、
請求項3から7のいずれかに記載のデータ収集システム(1)。 - 送信側装置(20)と通信を行うことによって監視対象(10)のデータ(x)の収集を行う受信側装置(30)であって、
前記データ(x)が変化したときに、前記送信側装置(20)から前記データ(x)を受信する受信部(32b)と、
データ欠損の有無を判定する判定部(33b)と、
を備える、
受信側装置(30)。 - 前記判定部(33b)が判定したデータ欠損の有無に関する情報を、他の装置に送信する送信部(32a)、
をさらに備える、
請求項9に記載の受信側装置(30)。 - 送信側装置(20)と受信側装置(30)とが通信を行うことによって監視対象(10)のデータ(x)の収集を行うデータ収集システム(1)におけるデータ収集方法であって、
前記送信側装置(20)が、前記監視対象(10)から前記データ(x)を取得する取得ステップ(S2)と、
前記データ(x)が変化したときに、前記送信側装置(20)が前記データ(x)を前記受信側装置(30)に送信する送信ステップ(S6)と、
前記受信側装置(30)が、前記送信側装置(20)から前記データ(x)を受信する受信ステップ(S12)と、
前記受信側装置(30)が、データ欠損の有無を判定する判定ステップ(S16,17)と、
を備える、
データ収集方法。
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