WO2022091880A1 - 空気調和システム - Google Patents
空気調和システム Download PDFInfo
- Publication number
- WO2022091880A1 WO2022091880A1 PCT/JP2021/038643 JP2021038643W WO2022091880A1 WO 2022091880 A1 WO2022091880 A1 WO 2022091880A1 JP 2021038643 W JP2021038643 W JP 2021038643W WO 2022091880 A1 WO2022091880 A1 WO 2022091880A1
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- WO
- WIPO (PCT)
- Prior art keywords
- air conditioner
- test run
- maintenance
- server
- air
- Prior art date
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 26
- 238000012423 maintenance Methods 0.000 claims abstract description 184
- 238000012360 testing method Methods 0.000 claims abstract description 166
- 238000004891 communication Methods 0.000 claims abstract description 25
- 239000003507 refrigerant Substances 0.000 claims description 29
- 230000004044 response Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 59
- 238000010586 diagram Methods 0.000 description 20
- 230000005856 abnormality Effects 0.000 description 10
- 238000012790 confirmation Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013473 artificial intelligence Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
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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
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
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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
- F24F11/52—Indication arrangements, e.g. displays
-
- 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
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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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Definitions
- the present invention relates to an air conditioning system.
- an abnormality of the air conditioner is predicted or detected.
- An air conditioning system has been proposed. In this air conditioning system, maintenance work can be performed in advance by predicting or detecting an abnormality in the air conditioner in the intermediate period, so that air conditioning operation cannot be performed during the operation period when air conditioning operation is frequently performed. You can avoid the situation.
- the air conditioner system of one embodiment includes a plurality of air conditioners, a server connected to each air conditioner via a communication network and storing device information of each air conditioner, and each air conditioner. It has a terminal connected to the server via the server.
- the server has a classification unit that classifies the plurality of air conditioners into a plurality of groups based on the device information, and a notification unit that notifies the terminal of information related to the test run of the air conditioners classified into the group. Have.
- the work load of the maintenance worker in the intermediate period can be distributed and reduced.
- FIG. 1 is an explanatory diagram showing an example of an air conditioning system of this embodiment.
- FIG. 2 is a block diagram showing an example of the configuration of an air conditioner.
- FIG. 3 is a block diagram showing an example of a server configuration.
- FIG. 4 is an explanatory diagram showing an example of the table configuration of the device management table.
- FIG. 5 is an explanatory diagram showing an example of the table configuration of the test run management table.
- FIG. 6 is an explanatory diagram showing an example of the table configuration of the maintenance management table.
- FIG. 7 is a block diagram showing an example of the configuration of a smartphone terminal.
- FIG. 8 is an explanatory diagram showing an example of a test run request screen of a smartphone terminal.
- FIG. 9 is an explanatory diagram showing an example of a screen for switching from the maintenance recommendation screen of the smartphone terminal to the maintenance reservation screen.
- FIG. 10 is an explanatory diagram showing an example of a processing operation from a test run request of an air conditioning system to the completion of maintenance work.
- FIG. 11 is a flowchart showing an example of the processing operation of the control unit in the smartphone terminal related to the test run request reception processing.
- FIG. 12 is a flowchart showing an example of the processing operation of the control unit in the smartphone terminal related to the maintenance reservation processing.
- FIG. 13 is a flowchart showing an example of the processing operation of the control unit in the server related to the test run request processing.
- FIG. 10 is an explanatory diagram showing an example of a processing operation from a test run request of an air conditioning system to the completion of maintenance work.
- FIG. 11 is a flowchart showing an example of the processing operation of the control unit in the smartphone terminal related to the test run request reception processing.
- FIG. 12 is a flowchart
- FIG. 14 is a flowchart showing an example of the processing operation of the control unit in the server related to the trial run result notification processing.
- FIG. 15 is a flowchart showing an example of the processing operation of the control unit in the server related to the reservation registration processing.
- FIG. 16 is a flowchart showing an example of the processing operation of the control unit in the server related to the first test run request processing.
- FIG. 17 is a flowchart showing an example of the processing operation of the control unit in the server related to the second test run request processing.
- FIG. 18 is a flowchart showing an example of the processing operation of the control unit in the server related to the third test run request processing.
- FIG. 1 is an explanatory diagram showing an example of the air conditioning system 1 of this embodiment.
- the air conditioning system 1 shown in FIG. 1 includes an air conditioner 2, a server 3, a smartphone terminal 4, and a communication network 5.
- the air conditioner 2 is an air conditioner arranged at each location.
- the server 3 is a server that manages device information of a plurality of air conditioners 2 in the air conditioning system.
- the smartphone terminal 4 corresponds to the terminal of the present invention and can be carried by the user of the air conditioner 2 to communicate with the server 3.
- the communication network 5 is, for example, a communication network such as the Internet.
- FIG. 2 is a block diagram showing an example of the configuration of the air conditioner 2.
- the air conditioner 2 shown in FIG. 2 has an outdoor unit 11, an indoor unit 12, an adapter 13, and a remote controller 14.
- the outdoor unit 11 has a main body 11A.
- the main body 11A is provided with, for example, an outdoor fan, a compressor, an outdoor heat exchanger, an expansion valve, and the like.
- the indoor unit 12 has a main body 12A, a light receiving unit 12B, and a control unit 12C.
- the indoor unit 12 is, for example, a part of an air conditioner that is arranged in a room and heats or cools the air in the room.
- the remote controller 14 can remotely control the indoor unit 12 according to the operation of the user of the indoor unit 12.
- the main body 12A is provided with, for example, an indoor fan and an indoor heat exchanger, and the indoor air that has exchanged heat with the refrigerant by the indoor heat exchanger is blown out from the main body 12A to heat, cool, dehumidify the room, etc. Is done.
- the adapter 13 has a first communication unit 13A, a second communication unit 13B, a storage unit 13C, and a control unit 13D.
- the first communication unit 13A is a communication IF (Interface) such as a UART (Universal Asynchronous Receiver Transmitter) that connects the adapter 13 and the control unit 12C in the indoor unit 12 by communication.
- the second communication unit 13B is an IF that connects the adapter 13 and the communication network 5 by communication.
- the control unit 13D controls the indoor unit 12 with AI (Artificial Intelligence).
- the adapter 13 is arranged for each indoor unit 12.
- the storage unit 13C has an operation history memory 131C, a failure estimation model 132C, and a refrigerant amount estimation model 133C.
- the operation history memory 131C periodically collects various operation state data collected from the main body 11A of the outdoor unit 11 and the main body 12A of the indoor unit 12 using the first communication unit 13A, and stores the collected operation state data. do.
- the second communication unit 13B transmits the operation state data stored in the operation history memory 131C to the server 3.
- the server 3 uses the operating state data of the air conditioner 2 as teacher data, and generates a refrigerant amount estimation model and a failure estimation model based on the teacher data. Further, the server 3 transmits the generated refrigerant amount estimation model and failure estimation model to the adapter 13 via the communication network 5.
- the adapter 13 receives the refrigerant amount estimation model 133C and the failure estimation model 132C from the server 3 using the second communication unit 13B, and stores the received refrigerant amount estimation model 133C and the failure estimation model 132C in the storage unit 13C.
- the failure estimation model 132C is a failure in the main body 11A of the outdoor unit 11 and the main body 12A of the indoor unit 12 by inputting a part of the operation state data collected from the main body 11A of the outdoor unit 11 and the main body 12A of the indoor unit 12. Is predicted or detected, that is, estimated.
- the failure estimation model 132C estimates the failure of the air conditioner 2 such as dirt on the outdoor heat exchanger, lock of the expansion valve, and abnormality related to deterioration of the compressor.
- the refrigerant amount estimation model 133C has the main body 11A of the outdoor unit 11 and the main body 12A of the indoor unit 12 by inputting a part of the operation state data collected from the main body 11A of the outdoor unit 11 and the main body 12A of the indoor unit 12. Estimate the current amount of residual refrigerant in a refrigerant circuit (not shown). For example, the refrigerant amount estimation model 133C obtains at least the number of revolutions of the compressor, the refrigerant discharge temperature of the compressor, the heat exchanger temperature, the opening degree of the expansion valve, and the outside air temperature among the operating state data indicating the operating state during operation. It is used to estimate the current amount of refrigerant remaining in the refrigerant circuit. As a result, the refrigerant amount estimation model 133C estimates an abnormality due to a shortage of the refrigerant amount.
- FIG. 3 is a block diagram showing an example of the configuration of the server 3.
- the server 3 shown in FIG. 3 has a communication unit 31, an operation unit 32, a display unit 33, a storage unit 34, and a control unit 35.
- the storage unit 34 has an equipment management table 341, a test run management table 342, and a maintenance management table 343.
- the communication unit 31 is an interface for communicating with the communication network 5.
- the operation unit 32 is an interface for inputting various information such as operation commands.
- the display unit 33 is an interface for displaying various information.
- the storage unit 34 is an area for storing various types of information.
- the control unit 35 controls the entire server 3.
- FIG. 4 is an explanatory diagram showing an example of the table configuration of the device management table 341.
- the device management table 341 shown in FIG. 4 is a table that manages information related to the air conditioner ID that identifies the air conditioner 2 as device information.
- the device management table 341 manages the model 341B, the customer name 341C, the zip code 341D, the address 341E, and the terminal ID 341F in association with each other for each air conditioner ID 341A.
- the model 341B is information for identifying the model of the air conditioner 2.
- the customer name 341C is information for identifying the user of the air conditioner 2.
- the postal code 341D is information for specifying the area where the air conditioner 2 is arranged.
- Address 341E is information for specifying the location of the air conditioner 2.
- the terminal ID 341F is a telephone number of the smartphone terminal 4 which is the contact information of the user of the air conditioner 2.
- FIG. 5 is an explanatory diagram showing an example of the table configuration of the test run management table 342.
- the test run management table 342 shown in FIG. 5 is a table for managing the presence / absence of a test run request to the user of the air conditioner 2.
- the test run management table 342 manages the air conditioner ID 342B and the test run request flag 342C in association with each terminal ID 342A, which is the telephone number of the smartphone terminal 4 that is the contact information of the user of the air conditioner 2.
- the test run requested flag 342C is an identifier that identifies whether or not the smartphone terminal 4 has requested the test run of the air conditioner 2. If a test run request has been made, the test run requested flag 342C is "1", and if a test run request has not been made, the test run requested flag 342C is "0".
- FIG. 6 is an explanatory diagram showing an example of the table configuration of the maintenance management table 343.
- the maintenance management table 343 shown in FIG. 6 is a table that manages maintenance information for each maintenance ID 343A that identifies maintenance of the air conditioner 2.
- the maintenance management table 343 manages the maintenance work date and time 343B, maintenance content 343C, customer information 343D, terminal ID 343E, air conditioner ID 343F, and maintenance work execution flag 343G for each maintenance ID 343A. ..
- the maintenance work date and time 343B is a reservation date and time for the maintenance work.
- the maintenance content is information that identifies the maintenance content of the air conditioner 2, for example, the failure content, the maintenance worker in charge of maintenance, and the like.
- the customer information 343D is information such as a customer name, an e-mail address, an address, and a zip code that identifies the user of the air conditioner 2 to be maintained.
- the terminal ID 343E is information such as a telephone number that identifies the smartphone terminal 4 that is the contact information of the user of the air conditioner 2 to be maintained.
- the air conditioner ID 343F is information for identifying the air conditioner 2 to be maintained.
- the maintenance work completed flag 343G is an identifier that identifies whether or not the maintenance work has been executed. When the maintenance work has been executed, the maintenance work executed flag 343G is "1", and when the maintenance work has not been executed, the maintenance work executed flag 343G is "0".
- the control unit 35 has a generation unit 35A, a classification unit 35B, a notification unit 35C, and a management unit 35D.
- the generation unit 35A generates a failure estimation model and a refrigerant amount estimation model using the operating state data from each air conditioner 2 as teacher data.
- the classification unit 35B classifies the plurality of air conditioners 2 managed by the server 3 into a plurality of groups according to a predetermined rule described later, based on the device information in the device management table 341.
- the notification unit 35C sends information related to the test run to the air conditioner 2 in the group, that is, a test run request to the air conditioner 2 in the group. Notify the user's smartphone terminal 4.
- the test run request is a notification requesting each air conditioner 2 to perform a test run.
- the management unit 35D manages the equipment management table 341, the test run management table 342, and the maintenance management table 343.
- FIG. 7 is a block diagram showing an example of the configuration of the smartphone terminal 4.
- the smartphone terminal 4 shown in FIG. 7 has a communication unit 41, an operation unit 42, a display unit 43, a storage unit 44, and a control unit 45.
- the communication unit 41 is an interface for communicating with the communication network 5.
- the operation unit 42 is an interface for inputting various information such as operation commands.
- the display unit 43 is an interface for displaying various information.
- the storage unit 44 is an area for storing various types of information.
- the control unit 45 controls the entire smartphone terminal 4.
- FIG. 8 is an explanatory diagram showing an example of the test run request screen 43A of the smartphone terminal 4.
- the smartphone terminal 4 displays the test run request screen 43A on the display unit 43 in response to the test run request from the server 3.
- the test run request screen 43A shown in FIG. 8 is a screen for requesting the customer to perform a test run of the air conditioner 2.
- the message 431A "We recommend a test run during the off-season. Do you want to start the test run?", The "Yes" button 432A for the test run execution, and the "No” button 433A that does not require a test run. And have.
- Message 431A is a message urging the user of the smartphone terminal 4 to start the trial run of the air conditioner 2.
- the smartphone terminal 4 When the smartphone terminal 4 detects the button operation of the button 432A on the test run request screen 43A, the smartphone terminal 4 transmits the start of the test run to the air conditioner 2 and erases the test run request screen 43A. Further, when the smartphone terminal 4 detects the button operation of the button 433A on the test run request screen 43A, the smartphone terminal 4 erases the test run request screen 43A.
- FIG. 9 is an explanatory diagram showing an example of a switching screen from the maintenance recommendation screen 43B of the smartphone terminal 4 to the maintenance reservation screen 43C.
- the smartphone terminal 4 displays the maintenance recommendation screen 43B on the display unit 43 according to the maintenance recommendation from the server 3.
- the maintenance recommendation screen 43B shown in FIG. 9 is a screen for requesting the customer to make a reservation for the maintenance work of the air conditioner 2. Message 431B of "Maybe it is out of order. Do you want to request repair?", Model name 432B, error code 433B, "Yes" button 434B to start repair request, and "Yes” button 434B that does not require repair request. It has a "No" button 435B.
- Message 431B is a message urging the user of the air conditioner 2 to make a reservation for maintenance work.
- the model name 432B is information for identifying the model of the air conditioner 2.
- the error code 433B is a code for identifying the error content.
- the maintenance reservation screen 43C is a screen for inputting the maintenance reservation contents of the air conditioner 2 to the customer.
- the maintenance reservation screen 43C has a name input field 431C, a zip code input field 432C, an address input field 433C, an email address input field 434C, a telephone number input field 435C, and a desired date and time input field 436C. Further, the maintenance reservation screen 43C has a confirmation button 437C, a cancel button 438C, and a model name 439C.
- the name input field 431C is a field for inputting the user name of the air conditioner 2 to be maintained.
- the postal code input field 432C is a field for inputting a postal code that identifies the area where the air conditioner 2 to be maintained is arranged.
- the address input field 433C is a field for inputting the address of the location where the air conditioner 2 to be maintained is arranged.
- the e-mail address input field 434C is a field for inputting an e-mail address that is the contact information of the user of the air conditioner 2 to be maintained.
- the telephone number input field 435C is a field for inputting a telephone number that is the contact information of the user of the air conditioner 2 to be maintained.
- the desired date and time input field 436C is a field for inputting a desired date and time for maintenance work of the air conditioner 2 to be maintained.
- the model name 439C is information for identifying the model of the air conditioner 2 to be maintained.
- the smartphone terminal 4 When the smartphone terminal 4 detects the confirmation button 437C on the maintenance reservation screen 43C, the smartphone terminal 4 transmits the maintenance content to the server 3 and deletes the maintenance reservation screen 43C.
- the smartphone terminal 4 detects the cancel button 438C on the maintenance reservation screen 43C, the smartphone terminal 4 deletes the maintenance reservation screen 43C.
- FIG. 10 is an explanatory diagram showing an example of a processing operation from a test run request of the air conditioning system 1 to the completion of maintenance work.
- the server 3 notifies the smartphone terminal 4 of the user of the air conditioner 2 according to the predetermined rule at a predetermined timing of the test run request (step S1).
- the predetermined timing is a timing for issuing a test run request, for example, a timing once a day.
- the predetermined timing is not limited to once a day, and can be appropriately changed, for example, once every two days and once every three days.
- the predetermined rule is a condition for finally grouping the air conditioners 2 in charge of the maintenance worker 6 within a predetermined period.
- the installation area information indicating the installation area for identifying the location of the air conditioner 2. It is a condition for designating the air conditioner 2 of the group according to the number information indicating the number of the air conditioner 2 and the air conditioner 2.
- the smartphone terminal 4 When the smartphone terminal 4 receives the test run request, the smartphone terminal 4 displays the test run request screen 43A shown in FIG. 8 on the display unit 43. The user of the smartphone terminal 4 can recognize the test run request of the air conditioner 2 by looking at the test run request screen 43A. Then, the smartphone terminal 4 requests the air conditioner 2 to start the test run in response to the test run start operation on the test run request screen 43A (step S2). The air conditioner 2 will execute the trial run in response to the test run start request. When the air conditioner 2 executes the trial run, the air conditioner 2 notifies the server 3 of the trial run result (step S3). The air conditioner 2 executes a trial run, and when, for example, an abnormality of the air conditioner 2 is estimated using the refrigerant amount estimation model 133C or the failure estimation model 132C, the content of the abnormality is obtained as the trial run result.
- the server 3 receives the test run result from the air conditioner 2, and if the received content indicates an estimation of the abnormality of the air conditioner 2, the server 3 notifies the smartphone terminal 4 of the maintenance recommendation (step S4).
- the smartphone terminal 4 displays the maintenance recommendation screen 43B shown in FIG.
- the user of the smartphone terminal 4 can recognize the maintenance recommendation of the air conditioner 2 by looking at the maintenance recommendation screen 43B.
- the smartphone terminal 4 displays the maintenance reservation screen 43C shown in FIG. 9 according to the maintenance recommended operation on the maintenance recommendation screen 43B.
- the user of the smartphone terminal 4 can input the reservation contents of the maintenance work by looking at the maintenance reservation screen 43C.
- the smartphone terminal 4 transmits a maintenance reservation request to the server 3 according to the maintenance reservation operation on the maintenance reservation screen 43C (step S5).
- the server 3 receives the maintenance reservation request from the smartphone terminal 4, the server 3 notifies the maintenance worker 6 of the maintenance request according to the maintenance reservation content (step S6). Since the maintenance request is generated as a result of requesting a test run only for the smartphone terminal 4 of the air conditioner 2 according to the predetermined rule at the predetermined timing described above, it is recommended to receive the maintenance at the same time during the interim period. In other words, by distributing the timing of the trial run of the air conditioner 2, the maintenance request based on the trial run result can be dispersed. Then, the maintenance worker 6 executes the maintenance work of the air conditioner 2 to be maintained (step S7).
- each air conditioner 2 When requesting a trial run of each air conditioner 2, for example, the trial run of 30,000 air conditioners 2 in the area in charge of a certain service base is started all at once, and the maintenance of 200 air conditioners 2 is performed. It is assumed that the number of air conditioners 2 that can be maintained by the maintenance worker 6 in one day after obtaining the necessary test run results is 100. In this case, the maintenance worker 6 takes two days because the maintenance work of the air conditioner 2 in this area is equivalent to 200 units.
- the predetermined timing is set 5 times every day in the interim period, and the predetermined rule is set to 6000 of the 30000 air conditioners 2 in the same area.
- the server 3 makes a test run request to the smartphone terminals 4 of the users of 6000 air conditioners 2 in the same area every day, and all the air conditioners 2 in the same area in 5 days. Request a test run from the user's smartphone terminal 4. As a result, the number of maintenance recommendations based on the test run results per day is reduced, that is, the number of maintenance recommendations is dispersed over five days.
- the maintenance request (maintenance reservation) is dispersed from the trial run result.
- the work of the maintenance worker 6 is also distributed, and the work load of the maintenance worker 6 can be reduced.
- FIG. 11 is a flowchart showing an example of the processing operation of the control unit 45 in the smartphone terminal 4 related to the test run request reception processing.
- the control unit 45 of the smartphone terminal 4 determines whether or not a test run request has been received from the server 3 (step S11).
- the control unit 45 displays the test run request screen 43A shown in FIG. 8 on the display unit 43 (step S12).
- the user of the smartphone terminal 4 can recognize that the test run of the air conditioner 2 is necessary by looking at the test run request screen 43A.
- the control unit 45 determines whether or not the test run start operation (button operation of the button 432A) on the test run request screen 43A is detected (step S13). When the control unit 45 detects the test run start operation (step S13: Yes), the control unit 45 executes the test run of the air conditioner 2 and ends the processing operation shown in FIG. After the processing operation related to the test run request reception process is completed, the user of the smartphone terminal 4 can execute the test run of the air conditioner 2 by operating the button on the test run request screen 43A.
- step S13 the control unit 45 determines whether or not the test run unnecessary operation (button operation of the button 433A) is detected (step S14).
- step S14 the control unit 45 detects an operation that does not require a test run (step S14: Yes)
- step S14 Yes
- control unit 45 When the control unit 45 does not receive the test run request (step S11: No), the control unit 45 ends the processing operation shown in FIG. When the control unit 45 does not detect the test run unnecessary operation (step S14: No), the control unit 45 proceeds to step S13 in order to determine whether or not the test run start operation has been detected.
- FIG. 12 is a flowchart showing an example of the processing operation of the control unit 45 in the smartphone terminal 4 related to the maintenance reservation processing.
- the control unit 45 in the smartphone terminal 4 shown in FIG. 12 determines whether or not the maintenance recommendation has been received from the server 3 (step S21).
- the control unit 45 displays the maintenance recommendation screen 43B shown in FIG. 9 on the display unit 43 (step S22).
- the user of the smartphone terminal 4 can recognize the test run result of the air conditioner 2 by looking at the maintenance recommendation screen 43B.
- the control unit 45 determines whether or not the maintenance recommended start operation (button operation of the button 434B) on the maintenance recommended screen 43B is detected (step S23).
- the control unit 45 detects the maintenance recommended start operation (step S23: Yes)
- the control unit 45 displays the maintenance reservation screen 43C on the display unit 43 (step S24).
- the user of the smartphone terminal 4 can see the maintenance reservation screen 43C and recognize the input contents of the maintenance reservation of the air conditioner 2.
- the control unit 45 determines whether or not the maintenance reservation start operation (button operation of the confirmation button 437C) on the maintenance reservation screen 43C is detected (step S25).
- step S25: Yes When the control unit 45 detects the maintenance reservation start operation on the maintenance reservation screen 43C (step S25: Yes), the control unit 45 transmits the maintenance reservation request to the server 3 (step S26), and ends the processing operation shown in FIG.
- the user of the smartphone terminal 4 can input the maintenance reservation from the maintenance reservation screen 43C.
- the user uses the smartphone terminal 4 to make a reservation including the customer name, zip code, address, e-mail address, telephone number, desired maintenance date and time, model name of the air conditioner 439C, etc. related to the air conditioner 2 to be maintained. You can enter information. If the control unit 45 does not receive the maintenance recommendation (step S21: No), the control unit 45 ends the processing operation shown in FIG.
- step S23 the control unit 45 determines whether or not the maintenance recommended unnecessary operation (button operation of the button 435B) is detected (step S27).
- step S27 the control unit 45 detects an operation that does not require maintenance recommendation (step S27: Yes)
- step S28 the control unit 45 erases the maintenance recommendation screen 43B (step S28), and ends the processing operation shown in FIG.
- step S27: No the control unit 45 proceeds to step S23 in order to determine whether or not the maintenance recommended start operation has been detected.
- step S29 determines whether or not the maintenance reservation unnecessary operation (button operation of the cancel button 438C) is detected.
- the control unit 45 detects an operation that does not require maintenance reservation (step S29: Yes)
- the control unit 45 erases the maintenance reservation screen 43C (step S30), and ends the processing operation shown in FIG.
- the control unit 45 proceeds to step S25 in order to determine whether or not the maintenance reservation start operation has been detected.
- FIG. 13 is a flowchart showing an example of the processing operation of the control unit 35 in the server 3 related to the test run request processing.
- the control unit 35 in the server 3 determines whether or not a predetermined timing has been detected (step S31).
- the control unit 35 detects a predetermined timing (step S31: Yes)
- the control unit 35 refers to the device management table 341 and designates an undesignated air conditioner ID of the group according to the predetermined rule (step S32).
- the control unit 35 refers to the device management table 341 and specifies the terminal ID corresponding to the designated air conditioner ID (step S33).
- the control unit 35 transmits a test run request to the smartphone terminal 4 based on the specific terminal ID (step S34).
- the server 3 requests the test run only to the smartphone terminal 4 of the air conditioner 2 corresponding to the air conditioner ID specified by the predetermined rule at the predetermined timing.
- the control unit 35 sets the test run request completed flag 342C corresponding to the terminal ID of the smartphone terminal 4 to which the test run request has been transmitted to “1”, and updates the contents of the test run management table 342 (step S35).
- the server 3 can recognize the air conditioner ID and the terminal ID for which the test run has been requested by referring to the test run requested flag 342C in the test run management table 342.
- control unit 35 determines whether or not there is an unspecified air conditioner ID after updating the test run requested flag 342C to “1” (step S36).
- step S36: Yes the control unit 35 proceeds to step S31 in order to determine whether or not a predetermined timing has been detected. That is, the server 3 can specify an undesignated air conditioner ID suitable for a predetermined rule at each predetermined timing.
- step S36: No the control unit 35 ends the processing operation shown in FIG.
- the predetermined timing is not detected (step S31: No)
- the control unit 35 proceeds to step S31 in order to determine whether or not the predetermined timing has been detected. That is, the server 3 does not request a test run until a predetermined timing is detected.
- FIG. 14 is a flowchart showing an example of the processing operation of the control unit 35 in the server 3 related to the trial run result notification processing.
- the control unit 35 in the server 3 determines whether or not the test run result has been received from the air conditioner 2 (step S41).
- the air conditioner 2 detects an abnormality in the air conditioner 2 using the failure estimation model 132C and the refrigerant amount estimation model 133C
- the air conditioner 2 transmits the test run result to the server 3.
- the control unit 35 receives the trial run result (step S41: Yes)
- the control unit 35 extracts the air conditioner ID and the maintenance content from the trial run result (step S42).
- the control unit 35 refers to the test run management table 342, identifies the terminal ID corresponding to the extracted air conditioner ID (step S43), and transmits the maintenance recommendation to the smartphone terminal 4 based on the specific terminal ID (step S44). ), The processing operation shown in FIG. 14 is terminated. As a result, the server 3 can transmit the maintenance recommendation to the smartphone terminal 4 of the user of the air conditioner 2 according to the test run result from each air conditioner 2. When the control unit 35 does not receive the test run result (step S41: No), the control unit 35 ends the processing operation shown in FIG.
- FIG. 15 is a flowchart showing an example of the processing operation of the control unit 35 in the server 3 related to the reservation registration processing.
- the control unit 35 in the server 3 determines whether or not a maintenance reservation request has been received from the smartphone terminal 4 (step S51).
- the control unit 35 extracts the reservation information from the maintenance reservation request (step S52).
- the reservation information is information including a customer name, a zip code, an address, an e-mail address, a telephone number, a desired maintenance date and time, a model name of the air conditioner 439C, and the like related to the air conditioner 2 to be maintained.
- the control unit 35 registers the maintenance work date / time, maintenance content, customer information, terminal ID, and air conditioner ID in the reservation information in the maintenance management table 343 (step S53).
- the server 3 can confirm the reservation information for each maintenance ID by referring to the maintenance management table 343.
- the control unit 35 selects the maintenance worker 6 corresponding to the maintenance content (step S54), notifies the maintenance worker 6 of the maintenance content (step S55), and ends the processing operation shown in FIG.
- the control unit 35 ends the processing operation shown in FIG.
- the server 3 of the present embodiment divides the plurality of air conditioners 2 to be managed into groups according to predetermined rules, and requests a trial run at different times for each group within the intermediate period. Notify the smartphone terminal 4 of the user of the air conditioner 2 in the group of the test run request to the air conditioner 2 in the group.
- the time for performing the trial run of each air conditioner 2 can be dispersed, it is possible to suppress the concentration of maintenance work in one period of the intermediate period, and it is possible to reduce the work load of the maintenance worker 6.
- by performing the maintenance work in the intermediate period it is possible to avoid a situation in which the air conditioner 2 cannot be operated due to the maintenance work during the operating period.
- the smartphone terminal 4 When the smartphone terminal 4 receives the test run request, the smartphone terminal 4 requests the air conditioner 2 corresponding to the user of the smartphone terminal 4 to start the test run according to a predetermined operation. Further, the air conditioner 2 executes the trial run in response to the request for starting the trial run, and when the result of the trial run requiring maintenance of the air conditioner 2 is detected, the result of the trial run is notified to the server 3. Then, when the server 3 receives the result of the trial run from the air conditioner 2, the server 3 notifies the smartphone terminal 4 of the user of the air conditioner 2 that the maintenance of the air conditioner 2 is recommended.
- each smartphone terminal 4 can promptly receive maintenance work in order to obtain maintenance recommendations based on the test run results of the test run of the air conditioner 2 executed at different times, and the air conditioner can be air-conditioned during the operation period. It is possible to avoid a situation in which the machine 2 cannot be operated due to maintenance work.
- the smartphone terminal 4 When the smartphone terminal 4 receives the maintenance recommendation from the server 3, the smartphone terminal 4 notifies the server 3 of the information related to the reservation of the maintenance work of the air conditioner 2 according to the predetermined reservation operation. As a result, the customer can easily reserve maintenance work.
- the air conditioner 2 notifies the server 3 as a result of the trial run when the failure of the air conditioner 2 is estimated by using the failure estimation model 132C according to the start of the test run. As a result, each air conditioner 2 can notify the server 3 of the result of the test run using the failure estimation model 132C.
- the air conditioner 2 estimates the shortage of the current residual refrigerant flowing in the air conditioner 2 by using the refrigerant amount estimation model 133C according to the start of the trial run of the air conditioner 2, the trial run is performed. As a result, the server 3 is notified. As a result, each air conditioner 2 can notify the server 3 of the result of the test run using the refrigerant amount estimation model 133C.
- FIG. 16 is a flowchart showing an example of the processing operation of the control unit 35 in the server 3 related to the first test run request processing.
- the control unit 35 in the server 3 determines whether or not a predetermined timing has been detected (step S61).
- the control unit 35 detects a predetermined timing (step S61: Yes)
- the control unit 35 refers to the device management table 341 and designates an area by a zip code that identifies the group as a predetermined rule (step S62).
- the location of the air conditioner 2 is grouped by the postal code registered by the user, and the air conditioner ID of the air conditioner 2 corresponding to each postal code is linked to the group of the postal code. wear.
- grouping may be performed for each municipality in which the air conditioner 2 is installed.
- the control unit 35 refers to the device management table 341 and designates an undesignated air conditioner ID in the designated area (step S63).
- the control unit 35 refers to the device management table 341 and identifies the terminal ID corresponding to the designated air conditioner ID (step S64).
- the control unit 35 transmits a test run request to the smartphone terminal 4 based on the specific terminal ID (step S65).
- the control unit 35 sets the test run request completed flag 342C corresponding to the terminal ID of the smartphone terminal 4 to which the test run request has been transmitted to “1”, and updates the contents of the test run management table 342 (step S66).
- control unit 35 determines whether or not there is an undesignated area after setting the test run requested flag 342C to “1” (step S67).
- step S67: Yes the control unit 35 shifts to step S61 in order to determine whether or not a predetermined timing has been detected.
- step S67: No the control unit 35 ends the processing operation shown in FIG.
- step S61: No the control unit 35 proceeds to step S61 in order to determine whether or not the predetermined timing has been detected.
- the control unit 35 that executes the first trial run request processing designates an area corresponding to an unspecified zip code from a plurality of zip codes as a predetermined rule for identifying the arrangement location of the air conditioner 2 at a predetermined timing. Specify an undesignated air conditioner ID in the designated area. Further, the control unit 35 requests the smartphone terminal 4 of the user of the designated air conditioner 2 to perform a test run based on the terminal ID of the designated air conditioner 2. As a result, since the trial run request for the smartphone terminal 4 of the user of the air conditioner 2 is dispersed and the acquisition time of the trial run result is dispersed for each designated area, the maintenance reservation timing can also be dispersed.
- the work of the maintenance worker 6 is also dispersed, and the work load of the maintenance worker 6 can be reduced. Moreover, since the test run requests are distributed in each region, the work load of the maintenance worker 6 can be reduced by shortening the moving distance of the maintenance worker 6 during the maintenance work.
- FIG. 17 is a flowchart showing an example of the processing operation of the control unit 35 in the server 3 related to the second test run request processing.
- the control unit 35 in the server 3 determines whether or not a predetermined timing has been detected (step S71).
- the control unit 35 detects a predetermined timing (step S71: Yes)
- the control unit 35 refers to the device management table 341 and designates a predetermined number of air conditioner IDs as a predetermined rule from the plurality of air conditioner IDs (step S72). ..
- the control unit 35 refers to the device management table 341 and specifies the terminal ID corresponding to the designated air conditioner ID (step S73).
- the control unit 35 transmits a test run request to the smartphone terminal 4 based on the specific terminal ID (step S74).
- the control unit 35 sets the test run request completed flag 342C corresponding to the terminal ID of the smartphone terminal 4 to which the test run request has been transmitted to “1”, and updates the contents of the test run management table 342 (step S75).
- control unit 35 determines whether or not there is an unspecified air conditioner ID after setting the test run requested flag 342C to “1” (step S76).
- step S76: Yes the control unit 35 proceeds to step S71 in order to determine whether or not a predetermined timing has been detected.
- step S71: No the control unit 35 ends the processing operation shown in FIG.
- step S71: No the control unit 35 proceeds to step S71 in order to determine whether or not the predetermined timing has been detected.
- the control unit 35 that executes the second trial run request processing designates a predetermined number of undesignated air conditioner IDs as a predetermined rule from a plurality of air conditioner IDs at predetermined timings, and the designated air conditioner 2 Based on the terminal ID, the smartphone terminal 4 of the user of the designated air conditioner 2 is requested to perform a trial run.
- the maintenance reservation time can also be dispersed.
- the work of the maintenance worker 6 is also dispersed, and the work load of the maintenance worker 6 can be reduced. For example, by leveling the number of test runs of the air conditioner 2 and reducing the number of maintenance work, the work load of the maintenance worker 6 can be reduced.
- a predetermined rule a case where a predetermined number of unspecified air conditioner IDs are specified from a plurality of air conditioner IDs at a predetermined timing is illustrated, but as a predetermined rule different from this, at each predetermined timing.
- An area such as a municipality that identifies the location where the air conditioner 2 is arranged may be specified, and a predetermined number of undesignated air conditioner IDs may be specified within the specified area.
- FIG. 18 is a flowchart showing an example of the processing operation of the control unit 35 in the server 3 related to the third test run request processing.
- the control unit 35 in the server 3 determines whether or not a predetermined timing has been detected (step S81).
- the control unit 35 detects a predetermined timing (step S81: Yes)
- the control unit 35 refers to the device management table 341 and designates an undesignated model as a predetermined rule (step S82).
- the control unit 25 designates the number of units corresponding to the undesignated model (step S83).
- the control unit 35 refers to the device management table 341 and designates a designated number of undesignated air conditioner IDs among the air conditioner IDs of the designated model (step S84).
- the control unit 35 refers to the device management table 341 and specifies the terminal ID corresponding to the designated air conditioner ID (step S85).
- the control unit 35 transmits a test run request to the smartphone terminal 4 based on the specific terminal ID (step S86).
- the control unit 35 sets the test run request completed flag 342C corresponding to the terminal ID of the smartphone terminal 4 to which the test run request has been transmitted to “1”, and updates the contents of the test run management table 342 (step S87).
- control unit 35 determines whether or not there is an undesignated air conditioner ID among the undesignated air conditioner IDs of the designated model (). Step S88). When there is an undesignated air conditioner ID (step S88: Yes), the control unit 35 determines whether or not a predetermined timing has been detected (step S89).
- step S89: Yes When the control unit 35 detects a predetermined timing (step S89: Yes). In order to specify the designated number of units corresponding to the designated model, the process proceeds to step S83. Further, when the predetermined timing is not detected (step S89: No), the control unit 35 shifts to step S89 in order to determine whether or not the predetermined timing has been detected.
- step S88 When there is no undesignated air conditioner ID among the undesignated air conditioner IDs of the designated model (step S88: No), the control unit 35 determines whether or not there is an undesignated model (step S90). ). When there is an undesignated model (step S90: Yes), the control unit 35 shifts to step S82 in order to specify the undesignated model. Further, when there is no undesignated model (step S90: No), the control unit 35 ends the processing operation shown in FIG.
- control unit 35 does not detect the predetermined timing (step S81: No), the control unit 35 ends the processing operation shown in FIG.
- the control unit 35 that executes the third test run request processing designates an undesignated model from a plurality of models as a predetermined rule at a predetermined timing, and undesignated a predetermined number from the unspecified air conditioner ID of the designated model. Specify the air conditioner ID of. Further, based on the terminal ID of the designated air conditioner 2, the smartphone terminal 4 of the user of the designated air conditioner 2 is requested to perform a trial run. As a result, since the trial run request for the smartphone terminal 4 of the user of the air conditioner 2 is dispersed and the acquisition time of the trial run result is dispersed for each predetermined number of the designated models, the maintenance reservation timing can also be dispersed.
- the work of the maintenance worker 6 is also dispersed, and the work load of the maintenance worker 6 can be reduced. For example, by reducing the number of test runs of a model having a high failure rate per day, the work load of the maintenance worker 6 can be reduced.
- the server 3 requests the smartphone terminal 4 of the user of the air conditioner 2 to perform a trial run, and based on the operation state data collected by the air conditioner 2, the refrigerant for each air conditioner 2 is used.
- the case of generating a quantity estimation model and a failure estimation model is illustrated.
- the function of generating the refrigerant amount estimation model and the failure estimation model may be executed by another server, and can be changed as appropriate.
- the server 3 exemplifies the case where the smartphone terminal 4 is notified of the recommendation for maintenance of the air conditioner 2 when the failure of the air conditioner 2 is estimated. However, it is not limited to the case where the failure of the air conditioner 2 is estimated.
- the server 3 has, for example, an air conditioner even when the failure rate of the air conditioner 2 is equal to or higher than a predetermined threshold value, the maintenance work frequency of the air conditioner 2 is a predetermined number of times or more, and the integrated operation time of the air conditioner 2 is a predetermined time or longer. You may notify the maintenance recommendation of 2. Further, the server 3 notifies the recommendation of maintenance of the air conditioner 2 even when the product release time of the air conditioner 2 has passed a predetermined period or more or the product warranty period of the air conditioner 2 has passed a predetermined period or more. Is also good.
- the air conditioner 2 illustrates a case where the failure of the air conditioner 2 is estimated by using the failure estimation model 132C and the refrigerant amount estimation model 133C.
- the control unit 13D of the air conditioner 2 passes through various sensors in the air conditioner 2 according to the start of the trial operation, for example, the power of the air conditioner 2 is turned on, the remote control is not operated, the cooling operation is not possible, and the heating operation is not possible. , Failures such as air conditioner plate malfunction and discharge temperature abnormality may be detected.
- the air conditioner 2 exemplifies the case where the test run is executed when the test run start operation from the smartphone terminal 4 is detected. Instead of this, when the air conditioner 2 detects the test run start operation, if a person is detected in the air-conditioned space by the person detection sensor (not shown) of the indoor unit 12, the test run is suspended and the test run is suspended in the air-conditioned space. You may execute the test run after the person is no longer detected. Further, even if the test run operation from the smartphone terminal 4 is not detected after obtaining the consent of the user of the air conditioner 2 in advance, if the server 3 requests the air conditioner 2 to execute the test run, the test run is performed. May be executed.
- the air conditioner 2 exemplifies the case where the test run is executed when the test run start operation from the smartphone terminal 4 is detected.
- the test run start operation from the smartphone terminal 4.
- the user may see the display screen of the information related to the test run on the smartphone terminal 4 and execute the test run start operation by using the remote controller 14 or the like of the air conditioner 2, and the test run start operation may be executed as appropriate.
- each component of each of the illustrated parts does not necessarily have to be physically configured as shown in the figure. That is, the specific form of distribution / integration of each part is not limited to the one shown in the figure, and all or part of them may be functionally or physically distributed / integrated in any unit according to various loads and usage conditions. Can be configured.
- each device is all or arbitrary parts on the CPU (Central Processing Unit) (or microcomputers such as MPU (Micro Processing Unit) and MCU (Micro Controller Unit)). You may try to do it. Further, various processing functions may be executed in whole or in any part on a program analyzed and executed by a CPU (or a microcomputer such as an MPU or MCU) or on hardware by wired logic. Needless to say.
- CPU Central Processing Unit
- MPU Micro Processing Unit
- MCU Micro Controller Unit
- Air conditioner system Air conditioner 3 Server 4 Smartphone terminal 35 Control unit 35A Generation unit 35B Classification unit 35C Notification unit 132C Failure estimation model 133C Refrigerant amount estimation model
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- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
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Abstract
Description
2 空気調和機
3 サーバ
4 スマホ端末
35 制御部
35A 生成部
35B 分類部
35C 通知部
132C 故障推定モデル
133C 冷媒量推定モデル
Claims (10)
- 複数の空気調和機と、同各空気調和機と通信網を介して接続されて前記各空気調和機の機器情報を記憶するサーバと、前記各空気調和機毎に前記サーバを介して接続される端末と、を有する空気調和システムであって、
前記サーバは、
前記複数の空気調和機を前記機器情報に基づく複数のグループに分類する分類部と、
前記グループに分類された空気調和機の試運転に関わる情報を前記端末に通知する通知部と
を有することを特徴とする空気調和システム。 - 前記試運転に関わる情報は、前記空気調和機に対する試運転の実行を前記端末に要求する情報であることを特徴とする請求項1に記載の空気調和システム。
- 前記機器情報は前記空気調和機が設置された地域を識別する設置地域情報を含み、前記分類部は前記機器情報に基づき、前記複数の空気調和機を設置地域毎のグループに分類することを特徴とする請求項1又は2に記載の空気調和システム。
- 前記機器情報は前記空気調和機が設置された台数を識別する台数情報を含み、前記分類部は前記機器情報に基づき、前記複数の空気調和機を所定台数毎のグループに分類することを特徴とする請求項1又は2に記載の空気調和システム。
- 前記機器情報は空気調和機の機種を識別する機種情報を含み、前記分類部は前記機器情報に基づき、前記複数の空気調和機を前記空気調和機の機種毎のグループに分類することを特徴とする請求項1又は2に記載の空気調和システム。
- 前記端末は、
前記試運転に関わる情報を受信した場合に、所定操作に応じて前記端末に対応した前記空気調和機に対して前記通信網を介して試運転の開始を要求し、
前記空気調和機は、
前記試運転の開始の要求に応じて試運転を実行し、前記空気調和機の保守を要する前記試運転の結果を検出した場合に前記試運転の結果を前記サーバに通知し、
前記サーバは、
前記空気調和機から前記試運転の結果を受信した場合に、前記端末に対して前記空気調和機への保守の推奨を通知する
ことを特徴とする請求項1又は2に記載の空気調和システム。 - 前記端末は、
前記サーバから前記保守の推奨を受信した場合に、所定の予約操作に応じて前記空気調和機の保守作業の予約に関わる情報を前記サーバに通知する
ことを特徴とする請求項6に記載の空気調和システム。 - 前記端末は、
前記試運転に関わる情報を受信した場合に、前記試運転に関わる情報を表示し、
前記空気調和機は、
所定操作に応じて前記空気調和機に対する試運転の開始を要求し、前記試運転の開始の要求に応じて試運転を実行し、当該空気調和機の保守を要する前記試運転の結果を検出した場合に当該試運転の結果を前記サーバに通知し、
前記サーバは、
前記空気調和機から前記試運転の結果を受信した場合に、前記端末に対して前記空気調和機への保守の推奨を通知する
ことを特徴とする請求項1又は2に記載の空気調和システム。 - 前記空気調和機は、
前記空気調和機の運転状態データを用いて故障の有無を推定する故障推定モデルを有し、前記空気調和機の試運転時に前記故障推定モデルを使用して当該空気調和機の故障を推定した場合に前記試運転の結果を前記サーバに通知する
ことを特徴とする請求項1又は2に記載の空気調和システム。 - 前記空気調和機は、
前記空気調和機の運転状態データを用いて冷媒量を推定する冷媒量推定モデルを有し、前記空気調和機の試運転時に前記冷媒量推定モデルを使用して当該空気調和機の冷媒量を推定した場合に前記試運転の結果を前記サーバに通知する
ことを特徴とする請求項1又は2に記載の空気調和システム。
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EP21885999.9A EP4235047A1 (en) | 2020-10-26 | 2021-10-19 | Air conditioning system |
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US20230392811A1 (en) | 2023-12-07 |
JP2023129641A (ja) | 2023-09-14 |
CN116348712A (zh) | 2023-06-27 |
JP7360373B2 (ja) | 2023-10-12 |
AU2021370412A1 (en) | 2023-06-08 |
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