WO2021210186A1 - 空気調和機動作システム、空気調和機およびサーバ - Google Patents

空気調和機動作システム、空気調和機およびサーバ Download PDF

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Publication number
WO2021210186A1
WO2021210186A1 PCT/JP2020/016979 JP2020016979W WO2021210186A1 WO 2021210186 A1 WO2021210186 A1 WO 2021210186A1 JP 2020016979 W JP2020016979 W JP 2020016979W WO 2021210186 A1 WO2021210186 A1 WO 2021210186A1
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WO
WIPO (PCT)
Prior art keywords
air conditioner
server
unit
actuator
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/016979
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English (en)
French (fr)
Japanese (ja)
Inventor
山田　貴光
矢部　正明
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2022515184A priority Critical patent/JPWO2021210186A1/ja
Priority to PCT/JP2020/016979 priority patent/WO2021210186A1/ja
Publication of WO2021210186A1 publication Critical patent/WO2021210186A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

  • This disclosure relates to an air conditioner operating system, an air conditioner, and a server that control air conditioning in an air-conditioned space.
  • an air conditioning management device in an air conditioning system including a plurality of outdoor units and a plurality of indoor units, an air conditioning management device generates control commands for each outdoor unit and each indoor unit, and the outdoor units and each indoor unit are subjected to control commands. Techniques for controlling operation are disclosed. Each outdoor unit and each indoor unit controls the temperature based on the target temperature or the set temperature according to the control command, and also performs the humidification control.
  • each outdoor unit and each indoor unit performs specific control for each actuator such as a heat exchanger, a fan, and an expansion valve. Therefore, when changing the specific control contents for each actuator, the control command from the air conditioning control device cannot respond, and it is necessary to modify the control program provided in each outdoor unit and each indoor unit, which is troublesome. was there.
  • the present disclosure has been made in view of the above, and obtains an air conditioner operation system capable of easily changing the control content of an actuator in an air conditioner having an actuator and controlling air conditioning in an air-conditioned space. With the goal.
  • the air conditioner operation system of the present disclosure has an actuator to control the air conditioning of the air conditioning target space and acquire environmental information indicating the state of the air conditioning target space.
  • the air conditioner operates the actuator using the control value acquired from the server to control the air conditioning of the air conditioning target space.
  • the air conditioner operation system has an effect that the control content of the actuator in the air conditioner having the actuator and controlling the air conditioning of the air conditioning target space can be easily changed.
  • FIG. 1 is a diagram showing a configuration example of the air conditioner operating system 100 according to the first embodiment.
  • the air conditioner operation system 100 includes an air conditioner 10, an access point 20, a network 30, and a server 40.
  • the air conditioner operation system 100 is a system in which the server 40 controls the operation of the air conditioner 10 that controls the air conditioning of the air conditioning target space.
  • the air conditioner 10 has an actuator 11 to control the air conditioning of the air conditioning target space.
  • the air conditioner 10 includes an actuator 11, a sensor 12, a communication unit 13, an operation reception unit 14, and an air conditioning operation unit 15.
  • the actuator 11 is a device that actually adjusts the temperature, humidity, etc. of the air-conditioned space in the air conditioner 10.
  • the actuator 11 is, for example, an outdoor fan included in an outdoor unit (not shown), an indoor fan included in an indoor unit (not shown), a compressor, an expansion valve, and the like, but is not limited thereto.
  • the air conditioner 10 includes a plurality of devices as the actuator 11.
  • the sensor 12 detects environmental information indicating the state of the air-conditioned space.
  • the environmental information includes, for example, the temperature and humidity of the air conditioning target space, the discharge temperature of the air conditioner 10, the suction temperature, the outside air temperature outside the air conditioning target space, and the like.
  • the sensor 12 is, for example, a temperature sensor that detects each temperature, a humidity sensor that detects the humidity of the air-conditioned space, and the like, but is not limited thereto. In the present embodiment, it is assumed that the air conditioner 10 includes a plurality of sensors as the sensor 12.
  • the communication unit 13 communicates with the server 40 via the access point 20 and the network 30. Specifically, the communication unit 13 transmits the environmental information detected by the sensor 12 to the server 40, and receives the control value of the actuator 11 from the server 40.
  • the control value of the actuator 11 is, for example, the rotation frequency of the motor when the actuator 11 is a device including a motor.
  • the communication unit 13 communicates with the server 40 by, for example, a fifth generation mobile communication system (hereinafter, referred to as 5G).
  • 5G fifth generation mobile communication system
  • the communication unit 13 may use a communication method other than 5G as long as it can perform wideband, high-speed, low-delay communication with the server 40.
  • the operation reception unit 14 receives operations such as power-on, power-off, operation mode setting, and temperature setting for the air conditioner 10 from the user.
  • the operation receiving unit 14 may be a switch or the like that directly receives an operation from the user, or may be an interface that acquires a signal from a remote controller (not shown) operated by the user.
  • the air conditioning operation unit 15 operates the actuator 11 by using the control value of the actuator 11 calculated by the server 40 and acquired from the server 40 to control the air conditioning of the air conditioning target space.
  • the air conditioning operation unit 15 includes an environment information acquisition unit 16, a start / stop processing unit 17, a communication control unit 18, and a driver control unit 19.
  • the environmental information acquisition unit 16 acquires environmental information such as temperature and humidity of the air-conditioned space detected by the sensor 12 from the sensor 12.
  • the start / stop processing unit 17 starts the air conditioner 10 after receiving the power-on, and stops the air conditioner 10 after receiving the power-off, according to the operation content from the user received by the operation reception unit 14. I do.
  • the communication control unit 18 controls the communication unit 13 to transmit the environmental information acquired by the environmental information acquisition unit 16 to the server 40. Further, the communication control unit 18 acquires the control value of the actuator 11 received by the communication unit 13 from the communication unit 13.
  • the driver control unit 19 operates the actuator 11 by using the control value of the actuator 11 calculated by the server 40.
  • the access point 20 is installed by a communication company or the like that provides a communication service in the network 30, and is, for example, a base station.
  • the network 30 is a public network, for example, the Internet.
  • the server 40 calculates the control value of the actuator 11 of the air conditioner 10 by using the environmental information acquired from the air conditioner 10.
  • the server 40 transmits the control value obtained by calculation to the air conditioner 10 and controls the operation of the air conditioner 10.
  • the server 40 assumes a cloud form, that is, a cloud server provided in a cloud environment.
  • the server 40 includes a communication unit 41, a calculation unit 42, and a storage unit 43.
  • the communication unit 41 receives environmental information indicating the state of the air-conditioned space of the air conditioner 10 from the air conditioner 10 via the access point 20 and the network 30. Further, the communication unit 41 transmits the control value obtained by the calculation by the calculation unit 42 to the air conditioner 10 via the network 30 and the access point 20.
  • the calculation unit 42 calculates the control value of the actuator 11 of the air conditioner 10 by using the environmental information received by the communication unit 41. Specifically, the calculation unit 42 reads a control program according to the device type of the air conditioner 10 from the storage unit 43, executes the read control program, and obtains a control value of the actuator 11 of the air conditioner 10. Calculate. The calculation unit 42 controls the communication unit 41 to transmit the control value to the air conditioner 10.
  • the storage unit 43 holds a control program for the actuator 11 of the air conditioner 10.
  • the storage unit 43 holds the control programs for the device types of the connected air conditioners 10.
  • the server 40 is not provided with the storage unit 43, and acquires a control program according to the device type of the air conditioner 10 from an external server (not shown) that holds the control program of the actuator 11 of the air conditioner 10. It may be.
  • the air conditioning operation unit 15 of the air conditioner 10 does not hold a control program for controlling the actuator 11 according to the environmental information.
  • the driver control unit 19 of the air conditioning operation unit 15 can operate the actuator 11 by using the control value of the actuator 11, but cannot calculate the control value of the actuator 11 according to the environmental information. ..
  • the air conditioner 10 transmits the environmental information detected by the sensor 12 to the server 40.
  • the server 40 executes a control program for actually controlling the operation of the actuator 11 by using the environmental information acquired from the air conditioner 10, and calculates the control value of the actuator 11 of the air conditioner 10.
  • the air conditioner 10 operates the actuator 11 by using the control value of the actuator 11 acquired from the server 40.
  • the server 40 executes a part of the control functions executed by the conventional air conditioner.
  • FIG. 2 is a sequence diagram showing the operation of the air conditioner operation system 100 according to the first embodiment.
  • FIG. 2 only the air conditioner 10 and the server 40 are shown, and the access point 20 and the network 30 are omitted.
  • the start / stop processing unit 17 receives the power-on operation of the air conditioner 10 from the user via the operation reception unit 14 (step S101).
  • the start / stop processing unit 17 performs a start process, that is, a start process of the air conditioner 10 (step S102). Specifically, the start / stop processing unit 17 activates the actuator 11, the sensor 12, the communication unit 13, and the like.
  • the start / stop processing unit 17 performs a self-diagnosis (step S103). Specifically, the start / stop processing unit 17 diagnoses whether or not the activated actuator 11, the sensor 12, the communication unit 13, and the like are operating normally. In this way, the start / stop processing unit 17 performs start processing and self-diagnosis of the air conditioner 10 after receiving the power-on.
  • the start / stop processing unit 17 requests the server 40 to connect the air conditioner 10 via the communication control unit 18 and the communication unit 13 (step S104).
  • the communication unit 13 includes the device type information of the air conditioner 10 in the connection request under the control of the start / stop processing unit 17, the communication control unit 18, or the communication unit 13, and sends the connection request to the server 40. Send.
  • the device type of the air conditioner 10 is, for example, the model number of the air conditioner 10.
  • the communication unit 41 When the communication unit 41 receives the connection request from the air conditioner 10 in the server 40, the communication unit 41 outputs the connection request to the calculation unit 42.
  • the calculation unit 42 selects from the storage unit 43 a control program capable of controlling the operation of the air conditioner 10 that has transmitted the connection request, using the device type information of the air conditioner 10 included in the connection request (step S105). ).
  • the calculation unit 42 notifies the air conditioner 10 that the control program has been selected via the communication unit 41 (step S106).
  • the start / stop processing unit 17 transitions to the waiting state for air conditioning control by the server 40 (step S107).
  • the start / stop processing unit 17 waits for input of operation information or the like from the operation reception unit 14, and periodically acquires environmental information from the sensor 12 via the environment information acquisition unit 16.
  • the calculation unit 42 confirms to the air conditioner 10 via the communication unit 41 about the shift to control by the control program of the server 40 (step S108).
  • the calculation unit 42 may collectively perform the operation of step S106 and the operation of step S108.
  • the start / stop processing unit 17 may collectively perform the operation of step S107 and the operation of step S109 described later.
  • step S109 when the start / stop processing unit 17 can confirm that the start processing and the self-diagnosis result are normal (step S109), the start / stop processing unit 17 of the server 40 via the communication control unit 18 and the communication unit 13. It responds that the transition to control by the control program is OK (step S110).
  • step S110 When an abnormality is confirmed in at least one of the results of the start processing and the self-diagnosis in response to the inquiry in step S108 from the server 40, the start / stop processing unit 17 notifies the server 40 to that effect. Alternatively, the process from step S102 may be repeated again.
  • the server 40 starts controlling the operation of the air conditioner 10 when the response from the air conditioner 10 can be transferred. That is, the air conditioner operation system 100 starts feedback control under the control of the server 40 (step S111). Specifically, in the air conditioner 10, the environmental information acquisition unit 16 acquires environmental information from the sensor 12 (step S112). When the communication control unit 18 acquires the environment information from the environment information acquisition unit 16, the communication control unit 18 transmits the environment information to the server 40 via the communication unit 13 (step S113). When the calculation unit 42 acquires the environment information via the communication unit 41 in the server 40, the calculation unit 42 executes the selected control program using the environment information and calculates the control value of the actuator 11 of the air conditioner 10 ( Step S114).
  • the communication unit 41 transmits the control value calculated by the calculation unit 42 to the air conditioner 10 (step S115).
  • the air conditioner 10 when the communication control unit 18 acquires the control value of the actuator 11 via the communication unit 13, it outputs the control value to the driver control unit 19.
  • the driver control unit 19 operates the actuator 11 by using the acquired control value of the actuator 11.
  • the air conditioner 10 can control the air conditioning of the air conditioning target space (step S116).
  • the air conditioner operation system 100 repeatedly carries out the operations from step S112 to step S116.
  • the start / stop processing unit 17 receives a power-off operation of the air conditioner 10 from the user via the operation reception unit 14 (step S117). After receiving the power-off, the start / stop processing unit 17 requests the server 40 to stop the air conditioner 10 via the communication control unit 18 and the communication unit 13 (step S118).
  • the communication unit 41 When the communication unit 41 receives the stop request from the air conditioner 10 in the server 40, the communication unit 41 outputs the stop request to the calculation unit 42.
  • the calculation unit 42 calculates the control value of the actuator 11 for stopping the air conditioner 10 (step S119), and sets the control values of all the actuators 11 of the air conditioner 10 to zero (step S120).
  • the calculation unit 42 controls the communication unit 41 to transmit a stop command including a control value of the actuator 11 for stopping the air conditioner 10 to the air conditioner 10.
  • the communication unit 41 transmits a stop command to the air conditioner 10 (step S121).
  • the start / stop processing unit 17 stops the air conditioner 10 according to a stop command acquired from the server 40 via the communication unit 13 and the communication control unit 18 (step S122). Specifically, the start / stop processing unit 17 stops the actuator 11, the sensor 12, the communication unit 13, and the like, contrary to the start processing in step S102. At this time, the start / stop processing unit 17 outputs the control value of the actuator 11 included in the stop command to the driver control unit 19. The driver control unit 19 stops the actuator 11 by using the control value of the actuator 11 acquired from the start / stop processing unit 17.
  • the air conditioner 10 acquires the environmental information indicating the state of the air-conditioned space and transmits the environmental information to the server 40.
  • the server 40 acquires environmental information from the air conditioner 10, calculates a control value of the actuator 11 using the environmental information acquired from the air conditioner 10, transmits the control value to the air conditioner 10, and transmits the control value to the air conditioner 10. 10 controls the operation.
  • the air conditioner 10 operates the actuator 11 using the control value acquired from the server 40 to control the air conditioning of the air conditioning target space.
  • the air conditioner 10 After receiving the power-on, the air conditioner 10 performs a start-up process and a self-diagnosis, and makes a connection request to the server 40.
  • the server 40 confirms with respect to the air conditioner 10 whether or not the shift to control by the control program provided in the server 40 is possible, and if the shift is possible, starts controlling the operation of the air conditioner 10. Further, the air conditioner 10 makes a stop request to the server 40 after receiving the power-off.
  • the server 40 transmits a stop command for stopping the air conditioner 10 to the air conditioner 10.
  • the air conditioner 10 can operate the actuator 11 using the control value calculated by the server 40 to control the air conditioning of the air conditioning target space.
  • the communication unit 13 of the air conditioner 10 and the communication unit 41 of the server 40 perform communication by a high-bandwidth, high-speed, low-delay communication method such as 5G.
  • the air conditioner 10 can acquire the control value from the server 40 with low delay, so that the air conditioning control can be performed in real time according to the environmental information.
  • the air conditioner 10 can perform air conditioning control in real time according to the environmental information by acquiring the control value from the server 40 with low delay.
  • the air conditioner 10 cannot operate the actuator 11 because it does not have a control program for controlling the operation of the actuator 11. In such a case, the air conditioner 10 may stop the air conditioning control.
  • FIG. 3 is a first sequence diagram showing a process when the air conditioner 10 stops operating in the air conditioner operation system 100 according to the first embodiment.
  • the operation up to step S116 is the same as the operation in the sequence diagram of FIG. 2 described above.
  • the communication control unit 18 detects the operating state of the server 40 with respect to the server 40 via the communication unit 13 during the time between repeating the operations from step S112 to step S116.
  • a health check signal for the server is transmitted (step S201).
  • the communication control unit 18 may transmit a keep-alive signal for confirming the communication state with the server 40 via the communication unit 13.
  • the communication control unit 18 starts measuring the delay time.
  • the communication control unit 18 detects the interruption of communication with the server 40 (step S203).
  • the communication control unit 18 may use a guard timer in the operation of step S202.
  • the communication control unit 18 instructs the start / stop processing unit 17 to stop the air conditioner 10.
  • the start / stop processing unit 17 stops the air conditioner 10 according to the instruction from the communication control unit 18 (step S204). Specifically, the start / stop processing unit 17 stops the actuator 11, the sensor 12, the communication unit 13, and the like, contrary to the start processing in step S102. At this time, the start / stop processing unit 17 generates a control value of the actuator 11 for stopping the air conditioner 10 and outputs the control value to the driver control unit 19. The driver control unit 19 stops the actuator 11 by using the control value of the actuator 11 acquired from the start / stop processing unit 17.
  • FIG. 4 is a second sequence diagram showing a process when the air conditioner 10 stops operating in the air conditioner operation system 100 according to the first embodiment.
  • the operation up to step S116 is the same as the operation in the sequence diagram of FIG. 2 described above.
  • the communication control unit 18 detects the operating state of the server 40 with respect to the server 40 via the communication unit 13 during the time between repeating the operations from step S112 to step S116.
  • a health check signal for the server is transmitted (step S301).
  • the communication control unit 18 may transmit a keep-alive signal for confirming the communication state with the server 40 via the communication unit 13. After transmitting the health check signal, the communication control unit 18 starts measuring the delay time.
  • the communication control unit 18 receives a response to the health check from the server 40 after the delay time has elapsed (step S302)
  • the communication control unit 18 detects the delay in communication with the server 40 (step S304).
  • the communication control unit 18 may use a guard timer in the operation of step S302.
  • the communication control unit 18 instructs the start / stop processing unit 17 to stop the air conditioner 10.
  • the start / stop processing unit 17 stops the air conditioner 10 according to the instruction from the communication control unit 18 (step S305). Specifically, the start / stop processing unit 17 stops the actuator 11, the sensor 12, the communication unit 13, and the like, contrary to the start processing in step S102. At this time, the start / stop processing unit 17 generates a control value of the actuator 11 for stopping the air conditioner 10 and outputs the control value to the driver control unit 19. The driver control unit 19 stops the actuator 11 by using the control value of the actuator 11 acquired from the start / stop processing unit 17.
  • the air conditioner 10 periodically transmits and receives signals to and from the server 40, and stops its operation if it does not receive a response from the server 40 within a specified period.
  • the communication control unit 18 transmits / receives a signal to / from the server 40 via the communication unit 13 and does not obtain a response from the server 40 within a specified period
  • the communication control unit 18 transmits / receives a signal to / from the server 40. Instruct the start / stop processing unit 17 to stop the air conditioner 10.
  • the air conditioner 10 detects a interruption or delay in communication with the server 40, the air conditioner 10 cannot perform real-time air conditioning control according to the environmental information, and therefore stops its operation.
  • FIG. 5 is a diagram showing an example of a processing circuit included in the air conditioner 10 according to the first embodiment.
  • the actuator 11 is a device such as an outdoor fan or an indoor fan as described above.
  • the sensor 12 is a measuring instrument capable of measuring temperature and the like.
  • the communication unit 13 is a communication device capable of transmitting and receiving wireless signals.
  • the operation reception unit 14 is an interface that can accept operations from the user.
  • the air conditioning operation unit 15 is realized by a processing circuit.
  • the processing circuit is, for example, a processor 91 that executes a program stored in the memory 92, and a memory 92.
  • each function of the processing circuit is realized by software, firmware, or a combination of software and firmware.
  • the software or firmware is written as a program and stored in the memory 92.
  • each function is realized by the processor 91 reading and executing the program stored in the memory 92. It can also be said that these programs cause a computer to execute the procedures and methods of the air conditioner 10.
  • the processor 91 may be a CPU (Central Processing Unit), a processing device, an arithmetic unit, a microprocessor, a microcomputer, a DSP (Digital Signal Processor), or the like.
  • the memory 92 includes, for example, non-volatile or volatile such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable ROM), and EEPROM (registered trademark) (Electrically EPROM).
  • RAM Random Access Memory
  • ROM Read Only Memory
  • flash memory e.g., EPROM (Erasable Programmable ROM), and EEPROM (registered trademark) (Electrically EPROM).
  • Semiconductor memory magnetic disk, flexible disk, optical disk, compact disk, mini disk, DVD (Digital Versatile Disc), etc. are applicable.
  • the processing circuit may be dedicated hardware.
  • the processing circuit is, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate). Array), or a combination of these.
  • Each function of the air conditioner 10 may be realized by a processing circuit for each function, or each function may be collectively realized by a processing circuit.
  • the functions of the air conditioner 10 may be realized by dedicated hardware, and some may be realized by software or firmware.
  • the processing circuit can realize each of the above-mentioned functions by the dedicated hardware, software, firmware, or a combination thereof.
  • the communication unit 41 is a communication device capable of transmitting and receiving wireless signals.
  • the storage unit 43 is a memory.
  • the arithmetic unit 42 is realized by a processing circuit.
  • the processing circuit may be composed of a processor 91 and a memory 92, or may be dedicated hardware.
  • the air conditioner 10 transmits environmental information such as the temperature of the air-conditioned space to the server 40.
  • the server 40 executes the control program of the actuator 11 of the air conditioner 10 using the environmental information, calculates the control value of the actuator 11, and transmits the control value to the air conditioner 10.
  • the air conditioner 10 operates the actuator 11 using the control value calculated by the server 40 to control the air conditioning. In this way, the air conditioner 10 controls the air conditioning without holding the control program of the actuator 11.
  • the air conditioner operation system 100 changes the specific control content of the actuator 11 in the air conditioner 10 having the actuator 11 and controlling the air conditioning of the air conditioning target space
  • the design of the air conditioner 10 is changed. Since the control program of the actuator 11 included in the server 40 may be changed without changing the control program of the actuator 11, the control program of the actuator 11 can be easily changed.
  • the air conditioner operation system 100 can reduce the development man-hours when adding or updating functions.
  • the air conditioner 10 does not hold the control program of the actuator 11 and does not calculate the control value of the actuator 11, even when performing air conditioning control by multi-function control, the storage capacity is suppressed and the processing capacity is increased. It can be configured with suppressed resources.
  • the air conditioner 10 and the server 40 can perform air conditioning control in real time according to environmental information by performing wideband, high-speed, low-delay communication such as 5G. ..
  • Embodiment 2 In the first embodiment, the server 40 is assumed to be a cloud server. In the second embodiment, the case where the server 40 is on-premises will be described.
  • FIG. 6 is a diagram showing a configuration example of the air conditioner operation system 100a according to the second embodiment.
  • the air conditioner operation system 100a includes an air conditioner 10, an access point 20a, and a server 40.
  • the air conditioner operation system 100a is a system in which the air conditioner 10 and the server 40 are connected to each other without going through a network 30 such as a public network.
  • the access point 20a is a base station installed in the same building or the like together with the air conditioner 10 and the server 40.
  • the server 40 assumes an on-premises form.
  • the air conditioner operation system 100 of the first embodiment can be operated at low cost because the equipment of the communication company can be used and the public cloud can be used.
  • the air conditioner operating system 100a of the second embodiment does not pass through the network 30 such as the public network, the reliability of control and communication are improved as compared with the air conditioner operating system 100 of the first embodiment. Low latency can be improved.
  • the air conditioner operation system 100a can be constructed, for example, by a dedicated network.
  • the air conditioner operating system 100a can also make the server 40 into an on-premises form. Even in this case, the air conditioner operation system 100a can obtain the same effect as that of the first embodiment.
  • the configuration shown in the above embodiments is an example, and can be combined with another known technique, can be combined with each other, and does not deviate from the gist. It is also possible to omit or change a part of the configuration.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
PCT/JP2020/016979 2020-04-18 2020-04-18 空気調和機動作システム、空気調和機およびサーバ Ceased WO2021210186A1 (ja)

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JP7711851B2 (ja) 2022-09-28 2025-07-23 三菱電機ビルソリューションズ株式会社 エレベーターシステム、中継装置、第二中継装置、中継方法、及びコンピュータ読み取り可能な記録媒体

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