EP3875863B1 - Klimatisierungssystem und verfahren zur einstellung des regelgegenstands eines klimatisierungssystems - Google Patents

Klimatisierungssystem und verfahren zur einstellung des regelgegenstands eines klimatisierungssystems Download PDF

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Publication number
EP3875863B1
EP3875863B1 EP18939049.5A EP18939049A EP3875863B1 EP 3875863 B1 EP3875863 B1 EP 3875863B1 EP 18939049 A EP18939049 A EP 18939049A EP 3875863 B1 EP3875863 B1 EP 3875863B1
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EP
European Patent Office
Prior art keywords
unit
outdoor
outdoor unit
relay
communication
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EP18939049.5A
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English (en)
French (fr)
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EP3875863A1 (de
EP3875863A4 (de
Inventor
Hideyuki Nakajima
Takayuki Tanaka
Katsuhiro Hirose
Atsuhiro Yabuta
Tomohide OTA
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of EP3875863A4 publication Critical patent/EP3875863A4/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • 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
    • 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
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems

Definitions

  • the present invention relates to an air-conditioning system in which control according to the presence or absence of a relay unit is performed, and a control target setting method of the air-conditioning system.
  • Patent Literature 1 For air-conditioning systems, there are a configuration including an outdoor unit functioning as a heat source device, and an indoor unit configured to condition air in an air-conditioned space, in which the outdoor unit performs direct expansion to the indoor unit by using one heat medium, and as in Patent Literature 1, a configuration including, in addition to the outdoor unit and the indoor unit, a relay unit configured to relay heat transfer by exchanging heat of heat media, in which the outdoor unit performs indirect expansion to the indoor unit via the relay unit by using a plurality of heat media.
  • a relay unit for air-conditioning systems, there are a configuration in which a relay unit does not exist, and a configuration in which a relay unit exists.
  • Patent Literature 2 shows an information transfer system for a refrigeration air-conditioning apparatus in which one or more heat-source units for the refrigerating/air conditioning apparatus, one first relay unit, and one or more second relay units are connected by refrigerant piping, and the second relay units and one or more indoor units are connected by water piping, wherein communications are performed discretely between a pair of the heat-source unit and the first relay unit, a pair of the first relay unit and the second relay units, and a pair of the second relay units and the indoor units through transmission lines respectively.
  • the present invention has been made to solve the above-described problem, and is aimed at providing an air-conditioning system in which it is possible to reduce labor and costs when the configuration of the air-conditioning system is changed, and a control target setting method of the air-conditioning system.
  • An air-conditioning system includes an outdoor unit functioning as a heat source device, and an indoor unit configured to condition air in an air-conditioned space, in which the outdoor unit includes an outdoor unit control unit configured to search for a relay unit configured to relay heat transfer between the outdoor unit and the indoor unit by exchanging heat of heat media, and an outdoor unit communication unit configured to communicate with an outside, and the outdoor unit control unit configured to transmit a first communication command from the outdoor unit communication unit to a particular communication address, and when a communication response is returned to the outdoor unit communication unit, determine what exists at the particular communication address based on an identification ID transmitted from the particular communication address to the outdoor unit communication unit, and set the relay unit as a control target when it is determined that the relay unit exists at the particular communication address, and set the indoor unit as the control target when it is determined that what exists at the particular communication address is not the relay unit or when the communication response is not returned to the outdoor unit communication unit.
  • the outdoor unit includes an outdoor unit control unit configured to search for a relay unit configured to relay heat transfer between the outdoor unit and the indoor unit by
  • the air-conditioning system includes an outdoor unit functioning as a heat source device, and an indoor unit configured to condition air in an air-conditioned space, the outdoor unit having an outdoor unit control unit configured to search for a relay unit configured to relay heat transfer between the outdoor unit and the indoor unit by exchanging heat of heat media, and an outdoor unit communication unit configured to communicate with an outside
  • the control target setting method includes transmitting a first communication command from the outdoor unit communication unit to a particular communication address, and when a communication response is returned to the outdoor unit communication unit, determining what exists at the particular communication address based on an identification ID transmitted from the particular communication address to the outdoor unit communication unit, and setting the relay unit as a control target when it is determined that the relay unit exists at the particular communication address, and setting the indoor unit as the control target when it is determined that what exists at the particular communication address is not the relay unit or when the communication response is not returned to the outdoor unit communication unit.
  • the setting of the control target is changed between the relay unit and the indoor unit according to the presence or absence of the communication response and information of the identification ID. For this reason, the change of the software is unnecessary, and it is possible to reduce the labor and the costs when the configuration of the air-conditioning system is changed.
  • Fig. 1 is a first diagram for describing a configuration of an air-conditioning system 100 according to Embodiment 1 of the present disclosure.
  • Fig. 2 is a second diagram for describing the configuration of the air-conditioning system 100 according to Embodiment 1 of the present invention.
  • the air-conditioning system 100 adopts a configuration including an outdoor unit 10 functioning as a heat source device, and an indoor unit 20 configured to condition air in an air-conditioned space, in which the outdoor unit 10 performs direct expansion to the indoor unit 20 by using one heat medium (hereinafter, referred to as a configuration in which a relay unit 30 does not exist).
  • a configuration in which a relay unit 30 does not exist hereinafter, referred to as a configuration in which a relay unit 30 does not exist.
  • the air-conditioning system 100 adopts a configuration including, in addition to the outdoor unit 10 and the indoor unit 20, the relay unit 30 configured to exchange heat of heat media and relay heat transfer between the outdoor unit 10 and the indoor unit 20, in which the outdoor unit 10 performs indirect expansion to the indoor unit 20 via the relay unit 30 by using a plurality of heat media (hereinafter, referred to as a configuration in which the relay unit 30 exists). It is noted that in the configuration in which the relay unit 30 exists, the outdoor unit 10 and the relay unit 30 have a one to one correspondence. In addition, communication addresses which will be described below are assigned to the outdoor unit 10, the indoor unit 20, and the relay unit 30. It is noted that the relay unit 30 is, for example, a hydro unit (heat exchanger configured to perform heat exchange between refrigerant and water).
  • Fig. 3 is a block diagram illustrating an internal processing configuration of the air-conditioning system 100 according to Embodiment 1 of the present invention.
  • the outdoor unit 10 includes an outdoor unit control unit 11, an outdoor unit communication unit 12, and an outdoor unit storage unit 13.
  • the indoor unit 20 includes an indoor unit control unit 21, an indoor unit communication unit 22, and an indoor unit storage unit 23.
  • the relay unit 30 includes a relay unit control unit 31, a relay unit communication unit 32, and a relay unit storage unit 33.
  • the outdoor unit control unit 11 is configured to control the outdoor unit 10 to execute an air-conditioning operation in a cooperative manner with the outdoor unit 10, the indoor unit 20, and the relay unit 30 in a same refrigerant system.
  • the indoor unit control unit 21 is configured to control the indoor unit 20, and the relay unit control unit 31 is configured to control the relay unit 30.
  • the outdoor unit communication unit 12 is configured to perform a communication with the outdoor unit 10, the indoor unit 20, and the relay unit 30 in the same refrigerant system. It is noted that, for example, the communication includes a wireless communication such as Wi-Fi (registered trademark), or a wired communication such as a wired LAN.
  • the indoor unit communication unit 22 is configured to perform a communication with the outdoor unit 10 in the same refrigerant system directly or via the relay unit 30, and the relay unit communication unit 32 is configured to perform a communication with the outdoor unit 10 in the same refrigerant system.
  • Each of the outdoor unit storage unit 13, the indoor unit storage unit 23, and the relay unit storage unit 33 is configured to store various information, and is, for example, a ROM, a RAM, a flash memory, or other memories, or a combination of those.
  • different communication addresses are respectively assigned to the outdoor unit 10, the indoor unit 20, and the relay unit 30. These communication addresses are manually set by an operator for the respective units of the outdoor unit 10, the indoor unit 20, and the relay unit 30 before power is supplied (on) (before unit type check commands which will be described below are transmitted) after the air-conditioning system 100 is built.
  • the communication addresses are assigned to the outdoor unit 10 and the relay unit 30 based on a predetermined rule.
  • X, X + 1, ... are assigned by priority to units linked to the outdoor unit 10 as a refrigerant circuit, and are subsequently assigned to units of other refrigerant circuits.
  • X is assigned to the outdoor unit 10a
  • X + 1 is assigned to the relay unit 30a
  • X + 2 is assigned to the outdoor unit 10b
  • X + 3 is assigned to the relay unit 30b.
  • the communication addresses and the unit type check commands have mutual relationships, and when the communication addresses are randomly assigned to the respective units, the unit type check commands are indiscriminately transmitted to the units, which is inefficient.
  • the communication addresses are assigned based on the predetermined rule as described above, it is facilitated to transmit the unit type check commands to the respective units.
  • identification IDs are respectively assigned to the outdoor unit 10, the indoor unit 20, and the relay unit 30. Each of these identification IDs is used to identify whether this unit is one of the outdoor unit 10, the indoor unit 20, and the relay unit 30, whether this unit is in the same refrigerant system, which unit this unit is, and other settings.
  • the relay unit communication unit 32 receives a unit type check command (hereinafter, also referred to as a first communication command)
  • the relay unit control unit 31 transmits the identification ID to a transmission source at the same time as a communication response or after the communication response.
  • the outdoor unit control unit 11 transmits the unit type check command to a particular communication address by the outdoor unit communication unit 12, and when a communication response is returned, and the received identification ID is related to the relay unit 30, it is found out that the relay unit 30 exists in the air-conditioning system 100.
  • the outdoor unit control unit 11 transmits the unit type check command to the particular communication address by the outdoor unit communication unit 12, when the communication response is not returned or when the received identification ID is not related to the relay unit 30 even when the communication response is returned, it is found out that the relay unit 30 does not exist in the air-conditioning system 100.
  • unit specification information in which a type of a unit is associated with an identification ID is stored in the outdoor unit storage unit 13.
  • Fig. 4 is a third diagram for describing the configuration of the air-conditioning system 100 according to Embodiment 1 of the present invention.
  • Fig. 5 is a fourth diagram for describing the configuration of the air-conditioning system 100 according to Embodiment 1 of the present invention.
  • each of the relay units 30 has an identification ID for identifying a type, and the identification ID is stored in the relay unit storage unit 33.
  • the outdoor unit control unit 11 of the outdoor unit 10 changes a control method such as a rotation speed of a compressor, a rotation speed of a fan, an opening degree of an expansion device, and other settings in the same refrigerant system according to the type of the relay unit 30.
  • types of control methods include a type B and a type C according to the types of the relay units 30.
  • Fig. 6 is a flowchart illustrating processing for deciding a control target of the air-conditioning system 100 according to Embodiment 1 of the present invention.
  • Fig. 7 is a flowchart illustrating processing for deciding a control method of the air-conditioning system 100 according to Embodiment 1 of the present invention.
  • Fig. 8 is a sequence chart of the air-conditioning system 100 according to Embodiment 1 of the present invention.
  • the outdoor unit control unit 11 of the outdoor unit 10 performs the processing for deciding the control target.
  • the outdoor unit control unit 11 transmits the unit type check command from the outdoor unit communication unit 12 to a particular communication address.
  • the particular communication address refers to a communication address that may be assigned to the relay unit 30 and the outdoor unit 10. As described above, for example, the particular communication address is X + ⁇ when the communication address of the outdoor unit 10 is X.
  • the outdoor unit control unit 11 determines whether or not a communication response is returned to the outdoor unit communication unit 12 from the particular communication address to which the unit type check command is transmitted. When the outdoor unit control unit 11 determines that the communication response is returned to the outdoor unit communication unit 12 (YES), the process proceeds to the processing in step S103. On the other hand, when the outdoor unit control unit 11 determines that the communication response is not returned to the outdoor unit communication unit 12 within a predetermined period of time (NO), the process proceeds to the processing in step S105.
  • the outdoor unit control unit 11 determines whether or not an identification ID transmitted at the same time as the communication response or transmitted after the communication response to the outdoor unit communication unit 12 is related to the relay unit 30.
  • the process proceeds to the processing in step S104.
  • the outdoor unit control unit 11 determines that the identification ID is not related to the relay unit 30 (NO)
  • the process proceeds to the processing in step S105.
  • the outdoor unit control unit 11 determines that the relay unit 30 exists, and sets the relay unit 30 as the control target. Then, the outdoor unit control unit 11 transmits a control command to the relay unit 30 to control the indoor unit 20 indirectly via the relay unit 30. It is noted that setting information of the control target is stored in the outdoor unit storage unit 13.
  • the outdoor unit control unit 11 determines that the relay unit 30 does not exist, and sets the indoor unit 20 as the control target. Then, the outdoor unit control unit 11 transmits a control command to the indoor unit 20 to control the indoor unit 20 directly. It is noted that the setting information of the control target is stored in the outdoor unit storage unit 13.
  • the setting of the control target is changed between the relay unit 30 and the indoor unit 20 according to the presence or absence of the communication response and information of the identification ID.
  • the types of the relay units 30 may include the type B and the type C.
  • the outdoor unit control unit 11 performs the processing for deciding the control method which is illustrated in Fig. 7 .
  • the outdoor unit control unit 11 identifies the type of the relay unit 30 from the identification ID transmitted at the same time as the communication response or transmitted after the communication response to the outdoor unit communication unit 12 in step S102 of Fig. 6 .
  • the process proceeds to the processing in step S112.
  • the outdoor unit control unit 11 identifies the type of the relay unit 30 as the type C, the process proceeds to the processing in step S113.
  • the outdoor unit control unit 11 sets the type B as the control method. Then, the outdoor unit control unit 11 controls the rotation speed of the compressor, the rotation speed of the fan, the opening degree of the expansion device, and other settings in the same refrigerant system based on the control method of the type B. It is noted that the setting information of the control method is stored in the outdoor unit storage unit 13.
  • the outdoor unit control unit 11 sets the type C as the control method. Then, the outdoor unit control unit 11 controls the rotation speed of the compressor, the rotation speed of the fan, the opening degree of the expansion device, and other settings in the same refrigerant system based on the control method of the type C. It is noted that the setting information of the control method is stored in the outdoor unit storage unit 13.
  • the type of the relay unit 30 is identified based on the identification ID, and the control method according to the type of the relay unit 30 is set.
  • the air-conditioning system 100 includes the outdoor unit 10 functioning as the heat source device, and the indoor unit 20 configured to condition air in the air-conditioned space, in which the outdoor unit 10 includes the outdoor unit control unit 11 configured to search for the relay unit 30 configured to relay heat transfer between the outdoor unit 10 and the indoor unit 20 by exchanging heat of heat media, and the outdoor unit communication unit 12 configured to communicate with an outside.
  • the outdoor unit control unit 11 transmits the first communication command from the outdoor unit communication unit 12 to the particular communication address, and when the communication response is returned to the outdoor unit communication unit 12, the unit existing at the particular communication address is determined based on the identification ID transmitted to the outdoor unit communication unit 12 from the particular communication address.
  • the relay unit 30 When it is determined that the unit existing at the particular communication address is the relay unit 30, the relay unit 30 is set as the control target. When it is determined that the unit existing at the particular communication address is not the relay unit 30 or when the communication response is not returned to the outdoor unit communication unit 12, the indoor unit 20 is set as the control target.
  • the air-conditioning system 100 includes the outdoor unit 10 functioning as the heat source device, and the indoor unit 20 configured to condition air in the air-conditioned space, in which the outdoor unit 10 has the outdoor unit control unit 11 configured to search for the relay unit 30 configured to relay heat transfer between the outdoor unit 10 and the indoor unit 20 by exchanging heat of heat media, and the outdoor unit communication unit 12 configured to communicate with the outside, and the control target setting method includes transmitting the first communication command from the outdoor unit communication unit 12 to the particular communication address, and determining the unit existing at the particular communication address based on the identification ID transmitted to the outdoor unit communication unit 12 from the particular communication address when the communication response is returned to the outdoor unit communication unit 12, and setting the relay unit 30 as the control target when it is determined that the unit existing at the particular communication address is the relay unit 30, and setting the indoor unit 20 as the control target when it is determined that the unit existing at the particular communication address is not the relay unit 30 or when the communication response is not returned to
  • the setting of the control target is changed between the relay unit 30 and the indoor unit 20 according to the presence or absence of the communication response and the information of the identification ID.
  • software that may be used as a platform is prepared in the air-conditioning system 100 according to the present Embodiment 1.
  • a unit specified from the identification ID obtained by the unit type check command and a condition of a system are applied to the software that may be used as the platform, and control is performed by the relevant software.
  • the outdoor unit control unit 11 is configured to identify the type of the relay unit 30 based on the identification ID when the relay unit 30 is set as the control target, and set the control method according to the type of the relay unit 30.
  • the control method is changed according to the type of the relay unit 30. For this reason, the change of the software according to the type of the relay unit 30 is unnecessary, and it is possible to reduce the labor and the costs when the configuration of the air-conditioning system 100 is changed.
  • Embodiment 2 of the present invention will be described, but a description of a component redundant to that of Embodiment 1 will be omitted, and a same part as or an equivalent part to that of Embodiment 1 is assigned with a same reference sign.
  • Fig. 9 is a first diagram for describing a configuration of the air-conditioning system 100 according to Embodiment 2.
  • Fig. 10 is a second diagram for describing the configuration of the air-conditioning system 100 according to Embodiment 2.
  • the outdoor unit 10 includes a plurality of outdoor units in the same refrigerant system.
  • the configuration in which the relay unit 30 does not exist is, as illustrated in Fig. 9 , for example, a configuration including the two outdoor units 10a and 10b and the single indoor unit 20.
  • the configuration in which the relay unit 30 exists is, as illustrated in Fig. 10 , for example, a configuration including the two outdoor units 10a and 10b, the two relay units 30a and 30b, and the single indoor unit 20. It is noted that in the configuration in which the relay units 30 exist, the outdoor units 10 and the relay units 30 have a one-to-one correspondence.
  • Communication addresses are assigned to the outdoor units 10a and 10b and the relay units 30a and 30b based on a predetermined rule. For example, when the communication address of the outdoor unit 10a is X, in the configuration in which the relay units 30 exist, a communication address X + ⁇ is assigned to the relay unit 30, and in the configuration in which the relay units 30 do not exist, the communication address X + ⁇ is assigned to the outdoor unit 10b.
  • the relay unit 30 and the outdoor unit 10 respectively include the plurality of relay units and the plurality of outdoor units
  • the outdoor unit 10a and the relay unit 30a are connected on a one to one basis
  • the outdoor unit 10b and the relay unit 30b are connected on a one to one basis.
  • the communication address X + ⁇ is assigned to the relay unit 30a connected to the outdoor unit 10a where the communication address is X.
  • a communication address X + ⁇ is assigned to the outdoor unit 10b different from the outdoor unit 10a
  • a communication address (X + ⁇ ) + ⁇ is assigned to the relay unit 30b connected to the outdoor unit 10b.
  • a difference ⁇ is set for the communication addresses of the outdoor units 10
  • a difference ⁇ is set for the communication addresses of the outdoor unit 10 and the relay unit 30 that are connected to each other.
  • an identification ID is assigned to each of the outdoor units 10a and 10b, the indoor unit 20, and the relay units 30a and 30b. This identification ID is used to identify whether this unit is one of the outdoor units 10a and 10b, the indoor unit 20, and the relay units 30a and 30b, whether this unit is in the same refrigerant system, which unit this unit is, and other settings.
  • the relay unit control unit 31 transmits the identification ID to the transmission source at the same time as the communication response or after the communication response.
  • the outdoor unit control unit 11 of the outdoor unit 10a transmits the unit type check command to the particular communication address by the outdoor unit communication unit 12, and when the communication response is returned, and the received identification ID is related to the relay unit 30, it is found out that the relay unit 30 exists in the air-conditioning system 100.
  • the outdoor unit control unit 11 of the outdoor unit 10a transmits the unit type check command to the particular communication address by the outdoor unit communication unit 12, when the communication response is returned, and the received identification ID is related to the outdoor unit 10, it is found out that the plurality of outdoor units 10 exist in the air-conditioning system 100.
  • Fig. 11 is a flowchart illustrating processing for deciding the number of the outdoor units 10 to be controlled in the air-conditioning system 100 according to Embodiment 2.
  • Fig. 12 is a first sequence chart of the air-conditioning system 100 according to Embodiment 2.
  • Fig. 13 is a second sequence chart of the air-conditioning system 100 according to Embodiment 2 of the present invention.
  • the outdoor unit control unit 11 of the outdoor unit 10a After the relay unit 30 or the indoor unit 20 is set as the control target by the processing for deciding the control target described according to Embodiment 1, the outdoor unit control unit 11 of the outdoor unit 10a performs the processing for deciding the number of the outdoor units 10 to be controlled as illustrated in Fig. 11 .
  • the outdoor unit control unit 11 of the outdoor unit 10a transmits the unit type check command from the outdoor unit communication unit 12 to a particular communication address.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines whether or not a communication response is returned to the outdoor unit communication unit 12 from the particular communication address to which the unit type check command is transmitted.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines that the communication response is returned to the outdoor unit communication unit 12 (YES)
  • the process proceeds to the processing in step S203.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines that the communication response is not returned to the outdoor unit communication unit 12 within a predetermined period of time (NO)
  • the processing for deciding the number of the outdoor units 10 to be controlled is ended.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines whether or not an identification ID transmitted simultaneously or after the communication response to the outdoor unit communication unit 12 is related to the outdoor unit 10b different from the outdoor unit 10a including the outdoor unit control unit 11 itself.
  • the process proceeds to the processing in step S204.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines that the identification ID is not related to the outdoor unit 10b (NO)
  • the process returns to the processing in step S201, and the unit type check command is transmitted to a particular communication address that is different from the previous particular communication address from the outdoor unit communication unit 12. For example, when the unit type check command is transmitted to the communication address X + ⁇ in the previous time, the unit type check command is transmitted to the communication address X + ⁇ .
  • the outdoor unit control unit 11 of the outdoor unit 10a determines that the outdoor unit 10b different from the outdoor unit 10a including the outdoor unit control unit 11 itself exists, and transmits a configuration check command (hereinafter, also referred to as a second communication command) to the communication address of the outdoor unit 10b.
  • a configuration check command hereinafter, also referred to as a second communication command
  • the outdoor unit control unit 11 of the different outdoor unit 10b transmits the identification ID to the transmission source at the same time as the communication response or after the communication response.
  • the outdoor unit control unit 11 of the outdoor unit 10a checks the outdoor unit storage unit 13 on which one of the relay unit 30 and the indoor unit 20 is set as the control target.
  • the outdoor unit control unit 11 of the outdoor unit 10a confirms that the relay unit 30 is set as the control target (YES)
  • the process proceeds to the processing in step S206.
  • the outdoor unit control unit 11 of the outdoor unit 10a confirms that the indoor unit 20 is set as the control target (NO)
  • the process proceeds to the processing in step S207. It is noted that an execution order of the processing in step S204 and the processing in step S205 may also be reversed.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines, from the identification ID transmitted at the same time as the communication response or transmitted after the communication response to the outdoor unit communication unit 12, whether or not the relay unit 30 connected to the different outdoor unit 10b is of the same type as the relay unit 30 connected to itself.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines that the relay unit 30 connected to the different outdoor unit 10b is of the same type as the relay unit 30 connected to itself (YES)
  • the process proceeds to the processing in step S208.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines that the relay unit 30 connected to the different outdoor unit 10b is not of the same type as the relay unit 30 connected to itself (NO), the process proceeds to the processing in step S209.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines, from the identification ID transmitted at the same time as the communication response or transmitted after the communication response to the outdoor unit communication unit 12, whether or not the different outdoor unit 10b is connected to the relay unit 30.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines that the different outdoor unit 10b is connected to the relay unit 30 (YES), the process proceeds to the processing in step S210.
  • the outdoor unit control unit 11 of the outdoor unit 10a determines that the different outdoor unit 10b is not connected to the relay unit 30 (NO), the process proceeds to the processing in step S211.
  • the outdoor unit control unit 11 of the outdoor unit 10a sets a combination of two outdoor units as the number of the outdoor units 10 to be controlled. Then, the two outdoor units 10a and 10b operate in cooperation with each other. It is noted that setting information of the number of the outdoor units 10 to be controlled is stored in the outdoor unit storage unit 13.
  • one of the outdoor units 10 is set as a leader based on a cooling and heating capacity or other information. Then, the outdoor unit 10 set as the leader is configured to perform main control of the air-conditioning system 100.
  • a communication command for setting the relay unit 30 connected to the outdoor unit 10 of the leader as an operation request destination is transmitted to the indoor unit 20. Then, the indoor unit 20 that has received the communication command sets the relay unit 30 connected to the outdoor unit 10 of the leader as the operation request destination. It is noted that setting information of the operation request destination is stored in the indoor unit storage unit 23.
  • the outdoor unit control unit 11 of the outdoor unit 10a sets a single outdoor unit as the number of the outdoor units 10 to be controlled. Then, each of the two outdoor units 10a and 10b independently operates. It is noted that the setting information of the number of the outdoor units 10 to be controlled is stored in the outdoor unit storage unit 13.
  • the communication command for setting the relay unit 30 connected to the outdoor unit 10 of the transmission source as the operation request destination is transmitted to the indoor unit 20. Then, the indoor unit 20 that has received the communication command sets the relay unit 30 connected to the outdoor unit 10 of the transmission source as the operation request destination. It is noted that the setting information of the operation request destination is stored in the indoor unit storage unit 23.
  • the outdoor unit control unit 11 of the outdoor unit 10a sets a single outdoor unit as the number of the outdoor units 10 to be controlled. Then, each of the two outdoor units 10a and 10b independently operates. It is noted that the setting information of the number of the outdoor units 10 to be controlled is stored in the outdoor unit storage unit 13.
  • the communication command for setting the outdoor unit 10 of the transmission source as the operation request destination is transmitted to the indoor unit 20. Then, the indoor unit 20 that has received the communication command sets the outdoor unit 10 of the transmission source as the operation request destination. It is noted that the setting information of the operation request destination is stored in the indoor unit storage unit 23.
  • the outdoor unit control unit 11 of the outdoor unit 10a sets a combination of two outdoor units as the number of the outdoor units 10 to be controlled. Then, the two outdoor units 10a and 10b operate in cooperation with each other. It is noted that the setting information of the number of the outdoor units 10 to be controlled is stored in the outdoor unit storage unit 13.
  • one of the outdoor units 10 is set as the leader based on cooling and heating capacity or other information. Then, the outdoor unit 10 set as the leader is configured to perform the main control of the air-conditioning system 100.
  • the communication command for setting the outdoor unit 10 of the leader as the operation request destination is transmitted to the indoor unit 20. Then, the indoor unit 20 that has received the communication command sets the outdoor unit 10 of the leader as the operation request destination. It is noted that the setting information of the operation request destination is stored in the indoor unit storage unit 23.
  • the outdoor unit control unit 11 determines whether or not a relay unit 30 connected to the different outdoor unit 10 is of the same type as the relay unit 30 connected to itself based on the identification ID transmitted to the outdoor unit communication unit 12 from the particular communication address after the second communication command is transmitted.
  • the outdoor unit control unit 11 determines that the relay unit 30 connected to the different outdoor unit 10 is of the same type as the relay unit 30 connected to itself, a combination of outdoor units is set as the number of the outdoor units 10 to be controlled.
  • a single outdoor unit is set as the number of the outdoor units 10 to be controlled.
  • the outdoor unit control unit 11 determines whether or not the different outdoor unit 10 is connected to a relay unit 30 based on the identification ID transmitted to the outdoor unit communication unit 12 from the particular communication address after the second communication command is transmitted.
  • the outdoor unit control unit 11 determines that the different outdoor unit 10 is connected to the relay unit 30, a single outdoor unit is set as the number of the outdoor units 10 to be controlled.
  • a combination of outdoor units is set as the number of the outdoor units 10 to be controlled.
  • the air-conditioning system 100 even when the outdoor unit 10 includes a plurality of outdoor units, it is unnecessary to change the software. For this reason, the number of the outdoor units 10 can be increased without changing the software, and an operation capability can be enhanced.
  • the control method is changed according to the presence or absence of the relay unit 30 or the type of the relay unit 30. For this reason, the change of the software according to the presence or absence of the relay unit 30 or the type of the relay unit 30 is unnecessary, and it is possible to reduce the labor and the costs when the configuration of the air-conditioning system 100 is changed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)

Claims (10)

  1. Klimaanlage (100), die aufweist:
    eine Außeneinheit (10), die als eine Wärmequelleneinrichtung dient; und
    eine Inneneinheit (20), die zur Klimatisierung von Luft in einem klimatisierten Raum ausgebildet ist, wobei:
    die Außeneinheit (10) aufweist
    eine Außeneinheitssteuereinheit (11), die ausgebildet ist, um eine Weiterleitungseinheit (30) zu suchen, die ausgebildet ist, um die Wärmeübertragung zwischen der Außeneinheit (10) und der Inneneinheit (20) durch den Austausch von Wärme von Wärmeträgern weiterzuleiten, und
    eine Außeneinheitskommunikationseinheit (12), die ausgebildet ist, um mit einer Außenwelt zu kommunizieren; und
    die Außeneinheitssteuereinheit (11) ausgebildet ist, um
    einen ersten Kommunikationsbefehl von der Außeneinheitskommunikationseinheit (12) an eine bestimmte Kommunikationsadresse zu übertragen und, wenn eine Kommunikationsantwort an die Außeneinheitskommunikationseinheit (12) zurückgegeben wird, basierend auf einer Identifikations-ID, die von der bestimmten Kommunikationsadresse an die Außeneinheitskommunikationseinheit (12) übertragen wird, zu bestimmen, was an der bestimmten Kommunikationsadresse existiert,
    die Klimaanlage (100) dadurch gekennzeichnet ist, dass die Außeneinheitssteuereinheit (11) des Weiteren ausgebildet ist, um
    die Weiterleitungseinheit (30) als Steuerziel festzulegen, wenn bestimmt wird, dass die Weiterleitungseinheit (30) an der bestimmten Kommunikationsadresse existiert, und die Inneneinheit (20) als Steuerziel festzulegen, wenn bestimmt wird, dass das, was an der bestimmten Kommunikationsadresse existiert, nicht die Weiterleitungseinheit (30) ist oder wenn die Kommunikationsantwort nicht an die Außeneinheitskommunikationseinheit (12) zurückgegeben wird.
  2. Klimaanlage (100) des Anspruchs 1, wobei
    wenn die Weiterleitungseinheit (30) als Steuerziel festgelegt wird,
    die Außeneinheitssteuereinheit (11) ausgebildet ist, um einen Typ der Weiterleitungseinheit (30) basierend auf der Identifikations-ID zu identifizieren, und ein Verfahren entsprechend dem Typ der Weiterleitungseinheit (30) festlegt.
  3. Klimaanlage (100) nach Anspruch 1 oder 2, wobei
    nachdem die Weiterleitungseinheit (30) oder die Inneneinheit (20) als das Steuerziel festgelegt wurde,
    die Außeneinheitssteuereinheit (11) ausgebildet ist, um
    den ersten Kommunikationsbefehl von der Außeneinheitskommunikationseinheit (12) an die bestimmte Kommunikationsadresse zu übertragen, und, wenn die Kommunikationsantwort an die Außeneinheitskommunikationseinheit (12) zurückgesendet wird, basierend auf der von der bestimmten Kommunikationsadresse an die Außeneinheitskommunikationseinheit (12) übertragenen Identifikations-ID zu bestimmen, was an der bestimmten Kommunikationsadresse existiert, und
    einen zweiten Kommunikationsbefehl an die bestimmte Kommunikationsadresse zu übertragen, wenn bestimmt wird, dass es sich bei der bestimmten Kommunikationsadresse um eine andere Außeneinheit (10) handelt.
  4. Klimaanlage (100) des Anspruchs 3, wobei
    wenn die Gruppe (30) als Steuerziel weitergeleitet wird,
    die Außeneinheitssteuereinheit (11) ausgebildet ist, um basierend auf der Identifikations-ID, die von der bestimmten Kommunikationsadresse an die Außeneinheitskommunikationseinheit (12) weitergeleitet wird, nachdem der zweite Kommunikationsbefehl übertragen wurde, zu bestimmen, ob eine Weiterleitungseinheit (30), die mit der anderen Außeneinheit (10) verbunden ist, vom gleichen Typ wie die mit es selbst verbundene Weiterleitungseinheit (30) ist oder nicht, und wenn bestimmt wird, dass die mit der anderen Außeneinheit (10) verbundene Weiterleitungseinheit (30) vom gleichen Typ wie die mit es selbst verbundene Weiterleitungseinheit (30) ist, eine Kombination von Außeneinheiten (10) als die Anzahl der zu steuernden Außeneinheiten (10) festzulegen, und eine einzelne Außeneinheit (10) als die Anzahl der zu steuernden Außeneinheiten (10) festzulegen, wenn bestimmt wird, dass die mit der anderen Außeneinheit (10) verbundene Weiterleitungseinheit (30) nicht vom gleichen Typ wie die mit es selbst verbundene Weiterleitungseinheit (30) ist.
  5. Klimaanlage (100) nach Anspruch 3 oder 4, wobei
    wenn die Inneneinheit (20) als Steuerziel festgelegt ist,
    die Außeneinheitssteuereinheit (11) ausgebildet ist, um basierend auf der Identifikations-ID, die von der bestimmten Kommunikationsadresse an die Außeneinheitskommunikationseinheit (12) weitergeleitet wird, nachdem der zweite Kommunikationsbefehl übertragen wurde, zu bestimmen, ob die unterschiedliche Außeneinheit (10) mit einer Weiterleitungseinheit (30) verbunden ist oder nicht, und eine einzelne Außeneinheit (10) als die Anzahl der zu steuernden Außeneinheiten (10) bestimmt, wenn bestimmt wird, dass die andere Außeneinheit (10) mit der Weiterleitungseinheit (30) verbunden ist, und eine Kombination von Außeneinheiten (10) als die Anzahl der zu steuernden Außeneinheiten (10) bestimmt, wenn bestimmt wird, dass die andere Außeneinheit (10) nicht mit der Weiterleitungseinheit (30) verbunden ist.
  6. Klimaanlage (100) nach Anspruch 4 oder 5, wobei
    wenn die Kombination als die Anzahl der zu steuernden Außeneinheiten (10) festgelegt ist,
    eine der Außeneinheiten (10) basierend auf einer Kühl- und Heizleistung als führende Einheit festgelegt wird.
  7. Klimaanlage (100) nach einem der Ansprüche 1 bis 6, wobei
    Kommunikationsadressen der Außeneinheit (10) und der weiterleitenden Einheit (30) basierend auf einer vorgegebenen Regel zugewiesen werden.
  8. Klimaanlage (100) nach einem der Ansprüche 1 bis 7, wobei
    die Außeneinheit (10) aufweist
    eine Außeneinheitsspeichereinheit (13), die ausgebildet ist, um Informationen zur Spezifikation der Einheit zu speichern, in der ein Typ einer Einheit einer Identifikations-ID zugeordnet ist.
  9. Steuerzielfestlegungsverfahren für eine Klimaanlage (100), wobei die Klimaanlage (100) Folgendes aufweist
    eine Außeneinheit (10), die als Wärmequelleneinrichtung dient, und
    eine Inneneinheit (20), die zur Klimatisierung von Luft in einem klimatisierten Raum ausgebildet ist,
    wobei die Außeneinheit (10) Folgendes aufweist
    eine Außeneinheitssteuereinheit (11), die so ausgebildet ist, dass sie eine Weiterleitungseinheit (30) sucht, die dazu ausgebildet ist, die Wärmeübertragung zwischen der Außeneinheit (10) und der Inneneinheit (20) durch den Austausch von Wärme von Wärmeträgern weiterzuleiten, und
    eine Außeneinheitskommunikationseinheit (10), die ausgebildet ist, um mit einer Außenwelt zu kommunizieren,
    wobei das Verfahren zur Einstellung des Steuerziels aufweist:
    Übertragen eines ersten Kommunikationsbefehls von der Außeneinheits(10)-Kommunikationseinheit an eine bestimmte Kommunikationsadresse, und wenn eine Kommunikationsantwort an die Außeneinheitskommunikationseinheit (12) zurückgesendet wird, Bestimmen, was an der bestimmten Kommunikationsadresse existiert, basierend auf einer Identifikations-ID, die von der bestimmten Kommunikationsadresse an die Außeneinheitskommunikationseinheit (12) übertragen wird;
    wobei das Verfahren dadurch gekennzeichnet ist, dass es des Weiteren aufweist:
    Festlegen der Weiterleitungseinheit (30) als Steuerziel, wenn bestimmt wird, dass die Weiterleitungseinheit (30) an der bestimmten Kommunikationsadresse existiert, und Festlegen der Inneneinheit (20) als Steuerziel, wenn bestimmt wird, dass das, was an der bestimmten Kommunikationsadresse existiert, nicht die Weiterleitungseinheit (30) ist oder wenn die Kommunikationsantwort nicht an die Außeneinheit-Kommunikationseinheit (12) zurückgegeben wird.
  10. Verfahren zur Einstellung des Steuerziels der Klimaanlage (100) nach Anspruch 9, wobei
    wenn die Steuereinheit (30) als Steuerziel weitergeleitet wird,
    ein Typ der Steuereinheit (30) basierend auf der Identifikations-ID bestimmt wird und ein Steuerverfahren entsprechend dem Typ der Weiterleitungseinheit (30) festgelegt wird.
EP18939049.5A 2018-10-31 2018-10-31 Klimatisierungssystem und verfahren zur einstellung des regelgegenstands eines klimatisierungssystems Active EP3875863B1 (de)

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JPS5139023A (en) 1974-09-27 1976-04-01 Konishiroku Photo Ind Kankoseisoseibutsu
JPH07113543A (ja) * 1993-10-19 1995-05-02 Toshiba Corp マルチ空気調和機
JPH0814634A (ja) * 1994-06-29 1996-01-19 Toshiba Corp 空気調和機
US9587843B2 (en) * 2008-10-29 2017-03-07 Mitsubishi Electric Corporation Air-conditioning apparatus and relay unit
WO2010109627A1 (ja) * 2009-03-26 2010-09-30 三菱電機株式会社 冷凍空調装置の情報伝達システム
JP5709838B2 (ja) * 2010-03-16 2015-04-30 三菱電機株式会社 空気調和装置
JP6085979B2 (ja) * 2013-01-31 2017-03-01 株式会社富士通ゼネラル 空調機システム
JP6368653B2 (ja) * 2015-01-14 2018-08-01 日立ジョンソンコントロールズ空調株式会社 空調機器ネットワークシステム
JP6430013B2 (ja) * 2015-07-17 2018-11-28 三菱電機株式会社 伝送中継器及びこれを用いた空気調和装置
JP6644131B2 (ja) * 2016-03-31 2020-02-12 三菱電機株式会社 空気調和装置

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JP6968297B2 (ja) 2021-11-17

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