WO2016104258A1 - Air-conditioning apparatus - Google Patents

Air-conditioning apparatus Download PDF

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Publication number
WO2016104258A1
WO2016104258A1 PCT/JP2015/085105 JP2015085105W WO2016104258A1 WO 2016104258 A1 WO2016104258 A1 WO 2016104258A1 JP 2015085105 W JP2015085105 W JP 2015085105W WO 2016104258 A1 WO2016104258 A1 WO 2016104258A1
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WO
WIPO (PCT)
Prior art keywords
priority
operation mode
indoor unit
unit
indoor
Prior art date
Application number
PCT/JP2015/085105
Other languages
French (fr)
Japanese (ja)
Inventor
中井　明紀
顕 木下
剛史 山川
Original Assignee
ダイキン工業株式会社
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 ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to EP15872827.9A priority Critical patent/EP3239622B1/en
Priority to ES15872827T priority patent/ES2745855T3/en
Priority to CN201580069955.5A priority patent/CN107110543B/en
Publication of WO2016104258A1 publication Critical patent/WO2016104258A1/en

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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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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

Definitions

  • the present invention relates to an air conditioner including a plurality of indoor units and an outdoor unit sharing a refrigerant system with the plurality of indoor units.
  • Patent Document 1 Japanese Patent Laid-Open No. 7-248147
  • the operation mode requested from each indoor unit may be different.
  • requirement previously is performed.
  • an object of the present invention is to improve operation efficiency by performing operation in an appropriate operation mode in an air conditioner including a plurality of indoor units and outdoor units that share a refrigerant system with these indoor units. There is.
  • the air conditioner according to the first aspect of the present invention includes a plurality of indoor units, an outdoor unit, and a control unit.
  • the outdoor unit shares a refrigerant system with a plurality of indoor units.
  • the control unit determines a predetermined operation mode as the execution operation mode.
  • the control unit controls the operation of the plurality of indoor units and the outdoor unit according to the execution operation mode.
  • the control unit determines an operation mode corresponding to the priority indoor unit as an execution operation mode.
  • the operation mode according to the indoor unit other than the priority indoor unit when there is no operation request from the priority indoor unit or when there is no operation request from the priority indoor unit, the operation mode according to the indoor unit other than the priority indoor unit The redetermination process is performed when a predetermined time has elapsed since the time when is determined as the execution operation mode. For this reason, even if there is no operation request from the priority indoor unit, the operation is continued in the operation mode corresponding to the priority indoor unit, or the operation in the operation mode corresponding to the indoor unit other than the priority indoor unit is long.
  • the air conditioner can be operated in an appropriate operation mode as compared with the case where the time is continued.
  • An air conditioner according to a second aspect of the present invention is the air conditioner according to the first aspect, wherein the control unit has an operation request from one or a plurality of indoor units other than the priority indoor unit, and from the priority indoor unit. If there is no operation request, the pre-press priority process is performed. In the pre-press priority process, the operation mode corresponding to the indoor unit that requested the operation first among the plurality of indoor units is determined as the execution operation mode. In this air conditioner, since the pre-press priority process is performed, the operation mode is not switched even if there is an operation request in a different operation mode from an indoor unit other than the priority indoor unit later. Can be reduced. Thereby, the frequency
  • the air conditioner according to a third aspect of the present invention includes the setting unit in the air conditioner according to the second aspect.
  • the setting unit can set one indoor unit among the plurality of indoor units as a priority indoor unit.
  • the control unit determines that all the indoor units other than the priority indoor unit among the plurality of indoor units are non-priority indoor units.
  • all indoor units other than the priority indoor units are set in the same row in the pre-press priority process.
  • An air conditioner is the air conditioner according to the third aspect, wherein the control unit determines whether or not there is an operation request according to a predetermined order of non-priority indoor units in the re-determination process. . And a control part determines the operation mode according to the non-priority indoor unit with a driving
  • the processing content is simplified as compared with the case where the ranking of the non-priority indoor units is performed each time the re-determination process is performed. Can do.
  • the air conditioner according to a fifth aspect of the present invention is the air conditioner according to the fourth aspect, wherein the order is determined in descending order of the capacity of the non-priority indoor units.
  • the air conditioner since the operation mode is prioritized in the order of the indoor units having the greatest capability in the re-determination process, the air conditioner as a whole can be operated efficiently.
  • capacitance of an indoor unit is the thermal energy which an indoor unit removes from a room per unit time, or adds to a room.
  • An air conditioner according to a sixth aspect of the present invention is the air conditioner according to the third aspect, wherein the control unit is the non-priority non-priority of all non-priority indoor units having an operation request in the re-determination process.
  • the operation mode corresponding to the priority indoor unit is determined as the execution operation mode.
  • the entire air conditioner can be operated efficiently.
  • the air conditioner according to a seventh aspect of the present invention is the air conditioner according to the third aspect, wherein the control unit is the most numerous operation mode among the operation modes corresponding to all the non-priority indoor units having an operation request. Is determined as the execution operation mode. In this air conditioner, since the operation is performed in the operation mode that is the largest number in the re-determination process, the entire air conditioner can be efficiently operated.
  • the air conditioner according to an eighth aspect of the present invention is the air conditioner according to any one of the first to third aspects, wherein the control unit includes a storage unit.
  • the storage unit stores the operation mode determined as the execution operation mode immediately before the operation request is issued from the priority indoor unit.
  • a control part determines the operation mode memorize
  • the operation mode stored in the storage unit is determined as the execution operation mode, a processing operation for determining the operating environment of the indoor units other than the priority indoor unit is executed every time the re-determination process is performed. Compared with the case where it is, the processing content can be simplified.
  • the operation efficiency can be improved.
  • the number of operations of various devices when changing the operation mode can be reduced.
  • all indoor units other than the priority indoor units are set in the same row in the pre-press priority process.
  • the processing content can be simplified.
  • the entire air conditioner can be operated efficiently.
  • the entire air conditioner can be operated efficiently.
  • the entire air conditioner can be operated efficiently.
  • the processing content can be simplified.
  • FIG 1 is an overall configuration diagram of an air conditioner according to an embodiment of the present invention.
  • the flowchart which shows an example of the operation control in an air conditioning apparatus.
  • FIG. 1 shows the overall configuration of the air conditioner 100.
  • the air conditioner 100 according to the present invention includes a plurality of indoor units 20a, 20b, 20c, 20d, and 20e, and an outdoor unit 30 that shares a refrigerant system with the plurality of indoor units 20a, 20b, 20c, 20d, and 20e.
  • the air conditioner 100 of the present embodiment is a so-called multi-type air conditioner in which five indoor units 20a, 20b, 20c, 20d, and 20e are connected to one outdoor unit 30.
  • the number of outdoor units and indoor units is not limited to this embodiment, and a plurality of indoor units and one or a plurality of outdoor units share a refrigerant system. It only has to be.
  • FIG. 1 a plurality of indoor units 20 a, 20 b, 20 c, 20 d, and 20 e are installed in the rooms A, B, C, D, and E of the building 10.
  • the indoor units 20a, 20b, 20c, 20d, and 20e are installed in separate rooms A, B, C, D, and E, respectively.
  • the space (number of square meters) in each room A, B, C, D, E of the building 10 may be different. In such a case, it is recommended that an indoor unit of a capacity class suitable for the size of each room A, B, C, D, E is installed.
  • the air conditioner 100 In order to be able to install indoor units having different capacity classes in each of the rooms A, B, C, D, and E, for example, the air conditioner 100 so that indoor units having different capacity classes can be connected. Is installed by designing pipe connection portions having different pipe diameters in accordance with the sizes of the rooms A, B, C, D, and E of the building 10 in advance.
  • the room A (hereinafter referred to as the A room) and the room B (hereinafter referred to as the B room) have the same size, and then the room C (hereinafter referred to as the C room). ), Room E (hereinafter referred to as room E), and room D (hereinafter referred to as room D).
  • room A is a study
  • room B is a child's room
  • room C is a master bedroom
  • room D is a living room
  • room E is a guest room.
  • the first indoor unit 20a is in room A
  • the second indoor unit 20b is in room B
  • the third indoor unit 20c is in room C
  • the fourth indoor unit 20d is in room D
  • the fourth room is in room E.
  • the fifth indoor unit 20e is installed.
  • the capacity class of each indoor unit 20a, 20b, 20c, 20d, and 20e is the largest in the fourth indoor unit 20d, and then the fifth indoor unit 20e.
  • the third indoor unit 20c increases in order, and the first indoor unit 20a and the second indoor unit 20b are equivalent.
  • FIG. 2 is a control block diagram of the control unit 60 included in the air conditioning apparatus 100.
  • each indoor unit 20a, 20b, 20c, 20d, and 20e has an indoor unit controller 21a, 21b, 21c, 21d, and 21e, respectively.
  • the indoor unit control units 21a, 21b, 21c, 21d, and 21e are components (indoor fan motors 23a, 23b, 23c, 23d, and 23e, indoor expansion valves 24a and 24b) that constitute the indoor units 20a, 20b, 20c, 20d, and 20e. , 24c, 24d, 24e, flaps, etc.).
  • the indoor unit control units 21a, 21b, 21c, 21d, and 21e have microcomputers and memories that are provided to control the indoor units 20a, 20b, 20c, 20d, and 20e. Control signals and the like are exchanged with remote controllers 22a, 22b, 22c, 22d, and 22e for individually operating 20a, 20b, 20c, 20d, and 20e, and a transmission line 61 is communicated with the outdoor unit 30. It is possible to exchange control signals and the like.
  • the letters “first” are attached to the beginnings of the various devices included in the first indoor unit 20a, and the letters “second” are added to the beginnings of the various apparatuses included in the second indoor unit 20b. Is attached to the beginning of the various devices included in the third indoor unit 20c, and the character “fourth” is added to the beginning of the various devices included in the fourth indoor unit 20d. Is attached, and the letters “fifth” are attached to the beginning of various devices included in the fifth indoor unit 20e.
  • Outdoor unit 30 The outdoor unit 30 is connected to each indoor unit 20a, 20b, 20c, 20d, and 20e via a refrigerant pipe, and forms a refrigerant circuit including a compressor, an outdoor heat exchanger, and the like.
  • the outdoor unit 30 has an outdoor unit control unit 31.
  • the outdoor unit control unit 31 controls the operation of each unit constituting the outdoor unit 30 (compressor motor 32, four-way switching valve 33, outdoor fan motor 34, and outdoor expansion valve 35).
  • the outdoor unit control unit 31 includes a microcomputer, a memory, and the like provided to control the outdoor unit 30, and each indoor unit 20a, 20b, 20c, 20d, 20e (that is, each indoor unit). Control signals and the like can be exchanged with the control units 21a, 21b, 21c, 21d, and 21e) via the transmission line 61.
  • a setting unit 37 is provided on the control board 36 having the outdoor unit control unit 31 of the outdoor unit 30 .
  • An example of the setting unit 37 is a dip switch. And using this DIP switch, when a user or an installation worker determines execution operation mode which is an operation mode performed in operation of air harmony device 100, one unit given priority over other indoor units An indoor unit can be selected and set from a plurality of indoor units 20a, 20b, 20c, 20d, and 20e as priority indoor units.
  • the setting unit 37 of the present invention is not limited to a dip switch, and may be another mode.
  • the setting unit 37 is provided in the outdoor unit 30, but the setting unit 37 may be provided in the indoor units 20a, 20b, 20c, 20d, and 20e, for example, remote controllers 22a and 22b. , 22c, 22d, and 22e, the user may be able to set the priority indoor unit. Furthermore, although the setting unit 37 is provided here, the setting unit 37 is not provided if the priority indoor unit is automatically set by other means (for example, by the control unit 60). Also good.
  • the air conditioner 100 includes the outdoor unit 30 and the indoor units 20a, 20b, 20c, 20d, and 20e by the control unit 60 that includes the indoor unit control units 21a, 21b, 21c, 21d, and 21e and the outdoor unit control unit 31.
  • the respective parts can be controlled. That is, the control unit 60 that performs operation control of the entire air conditioner 100 including cooling operation and heating operation is performed by the indoor unit control units 21a, 21b, 21c, 21d, and 21e, the outdoor unit control unit 31, and the transmission line 61. It is configured.
  • the control unit 60 is connected so as to receive detection signals from various sensors (not shown) included in the outdoor unit 30 and the indoor units 20a, 20b, 20c, 20d, and 20e, and each unit based on the detection signals and the like. Can be controlled.
  • control unit 60 executes various processes in the operation control of the air conditioner 100.
  • the various processes include a process of selecting and determining an execution operation mode, which is an operation mode of operation in the air conditioner 100, from a predetermined operation mode (here, the cooling mode and the heating mode).
  • a predetermined operation mode here, the cooling mode and the heating mode.
  • the control unit 60 operates according to the priority indoor unit. Is determined as the execution operation mode.
  • the priority indoor unit is set in the setting unit 37.
  • control unit 60 determines that all indoor units other than the indoor units set as the priority indoor units in the setting unit 37 are non-priority indoor units in a second first-pressing priority process described later.
  • the process for determining the execution operation mode includes a first pre-press priority process, a second pre-press priority process, and a redetermination process. Then, the control unit 60 controls the outdoor unit 30 and the indoor units 20a, 20b, 20c, 20d, and 20e according to the determined execution operation mode.
  • the air-conditioning apparatus 100 performs the cooling operation.
  • the outdoor unit control unit 31 connects the discharge side of the compressor and the gas side of the outdoor heat exchanger, and connects the suction side of the compressor and the gas refrigerant communication pipe.
  • the four-way switching valve 33 is switched.
  • the indoor unit control unit of the indoor unit that has been requested to operate in the heating mode closes the indoor expansion valve under the control.
  • the heating mode is determined as the execution operation mode
  • the air-conditioning apparatus 100 performs the heating operation.
  • the outdoor unit control unit 31 When performing the heating operation, in particular, the outdoor unit control unit 31 connects the discharge side of the compressor and the gas refrigerant communication pipe, and connects the suction side of the compressor and the gas side of the outdoor heat exchanger. Thus, the four-way switching valve 33 is switched. In this case, the indoor unit control unit of the indoor unit that has requested operation in the cooling mode does not perform control to close the indoor expansion valve under the control, and maintains the opened state.
  • the indoor expansion valve is kept open.
  • control of each part according to the operation mode is designed as described above.
  • control of each part of the present invention is not limited to this, and the control of each part is different. May be.
  • the first pre-push priority process is a process that is executed when the setting unit 37 has not set a priority indoor unit.
  • all indoor units 20a, 20b, 20c, 20d, and 20e are determined as non-priority indoor units.
  • the operation mode corresponding to the non-priority indoor unit requested to operate first among the non-priority indoor units that is, all the indoor units 20a, 20b, 20c, 20d, and 20e.
  • the operation mode corresponding to the indoor unit that requested the operation first is determined as the execution operation mode. This execution operation mode is continued without being changed until there is no operation request for all non-priority indoor units.
  • the operation request of the indoor unit (the non-priority indoor unit that requested the operation first from the state where there is no operation request of all the non-priority indoor units) that is the origin of determining the execution operation mode in the first first-push priority processing is Even if there is no operation, if there is an operation request from another non-priority indoor unit at that time, the operation mode of the non-priority indoor unit that is the origin is maintained, and the air conditioner is operated in the operation mode. 100 will be driven. Then, when the operation of all the non-priority indoor units is stopped and the operation request from all the non-priority indoor units is eliminated, the first first-priority priority processing is completed.
  • the operation of the first indoor unit 20a among all the indoor units 20a, 20b, 20c, 20d, and 20e is started first, and the operation in the cooling mode is started from the first indoor unit 20a.
  • the execution operation mode is determined to be the cooling mode. And even if there is an operation request in the heating mode from other indoor units (for example, the second to fifth indoor units 20b to 20e), the operation in the cooling mode is continued.
  • the operation in the cooling mode is continued.
  • the execution operation mode is changed.
  • the cooling mode corresponding to the operation request of the first indoor unit 20a is determined as the execution operation mode
  • the second to fourth indoor units 20b when the operation request is from 20d and the operation request from the second to fourth indoor units 20b to 20d is the operation in the heating mode, the execution operation mode is changed from the cooling mode to the heating mode.
  • (3-2) Second first-push priority process In the second first-push priority process, the priority indoor unit is set in the setting unit 37, and there is an operation request from one or a plurality of indoor units other than the priority indoor unit. And a process executed when there is no operation request from the priority indoor unit.
  • a plurality of indoor units other than the priority indoor units are all determined to be non-priority indoor units.
  • the operation mode corresponding to the non-priority indoor unit requested to operate first among the non-priority indoor units, that is, the first of all indoor units other than the priority indoor unit is determined as the execution operation mode.
  • the execution operation mode is continued without being changed until there is no operation request for the non-priority indoor unit or until there is an operation request from the priority indoor unit.
  • a non-priority indoor unit that is the origin of determining the execution operation mode in the second first-priority priority process (a non-priority indoor unit that has made an operation request first from a state where there is no operation request for the priority indoor unit and the non-priority indoor unit) Even if there is no operation request, the operation mode of the non-priority indoor unit that is the origin is maintained when there is an operation request from another non-priority indoor unit at that time. Thus, the air conditioner 100 is operated. At this time, when all the non-priority indoor units having an operation request request operation in an operation mode different from the current execution operation mode, the execution operation mode is changed.
  • the operation of all the non-priority indoor units is stopped, and the operation request from all the non-priority indoor units is eliminated, whereby the second first-priority priority process ends.
  • the second first-push priority process ends at that time and the operation from the priority indoor unit is performed.
  • the operation mode according to the request is determined as the execution operation mode, and the air conditioner 100 is operated in the operation mode.
  • the fifth indoor unit 20e is set as the priority indoor unit in the setting unit 37, and the first indoor unit 20a among all the indoor units is operated first.
  • the execution operation mode is determined to be the cooling mode. Even when other non-priority indoor units (second to fourth indoor units 20b to 20d) have requested operation in the heating mode, the operation in the cooling mode is continued.
  • the execution operation mode is changed from the cooling mode to the heating mode. Is done.
  • the priority indoor unit is set in the setting unit 37, and the operation mode corresponding to the operation request of the priority indoor unit is determined as the execution operation mode. This is a process executed when there is no operation request from the indoor unit.
  • the currently determined execution operation mode is redetermined, and the execution operation mode is determined according to the result of the redetermination.
  • the execution operation mode is re-determined.
  • the presence / absence of an operation request is determined in accordance with a predetermined order of non-priority indoor units, and an operation mode corresponding to a non-priority indoor unit having an operation request and higher order is determined as an execution operation mode. To do. Thereby, the re-determination process ends.
  • rank of the non-priority indoor unit in a re-judgment process in order presumed to be a non-priority indoor unit with a high request
  • the operation request from the non-priority indoor unit having a high degree of demand from the user is regarded as the operation request from the indoor unit having a large capability class, and the rank of the non-priority indoor unit in the re-determination process is large. Decided in order.
  • control unit 60 may automatically perform ranking, or the user, the installation worker, or the like may be able to manually perform ranking only for indoor units having the same capability.
  • the fifth indoor unit 20e is set as the priority indoor unit in the setting unit 37, and the order of the non-priority indoor units in the re-determination process is the fourth indoor unit 20d, the third indoor unit 20c, and the second indoor unit 20b.
  • the execution operation mode is determined to be the cooling mode. Even if there is an operation request in the heating mode from the non-priority indoor units (first to fourth indoor units 20a to 20d), the operation in the cooling mode is performed.
  • the redetermination process is executed when there is an operation request from.
  • the redetermination process when there is no longer an operation request for the fifth indoor unit 20e, first, according to a predetermined order, that is, the fourth indoor unit 20d, the third indoor unit 20c, the second indoor unit 20b, The presence / absence of an operation request is determined in the order of one indoor unit 20a.
  • the operation mode corresponding to the operation request of the third indoor unit 20c is determined as the execution operation mode. That is, even if the operation requests from the first and second indoor units 20a and 20b are in the cooling mode, if the operation request from the third indoor unit 20c is in the heating mode, the execution operation mode is set to the heating mode. Will be decided.
  • FIG. 3 is a flowchart illustrating an example of operation control in the air conditioner 100.
  • FIG. 3 shows a case where the operation of all the indoor units 20a, 20b, 20c, 20d, and 20e is stopped at the time of starting.
  • step S1 in the state where the operation of all the indoor units is stopped, when there is an operation request from any of the indoor units, the setting unit 37 determines whether or not the priority indoor unit is set. . If NO, that is, if the priority indoor unit is not set, the process proceeds to step S2. On the other hand, if YES, that is, if the priority indoor unit is set, the process proceeds to step S3.
  • step S2 the first pre-press priority process is executed. Then, the predetermined operation mode is determined to be the execution operation mode, and the operation of the first pre-press priority process is terminated by stopping the operation of all the indoor units.
  • step S3 it is determined whether or not the operation request is from the priority indoor unit. If NO, that is, if it is not an operation request from a priority indoor unit, in other words, if it is an operation request from a non-priority indoor unit, the process proceeds to step S4. On the other hand, in the case of YES, that is, when the operation request is from the priority indoor unit, the process proceeds to step S5.
  • step S4 the second pre-press priority process is executed. Then, when the predetermined operation mode is determined to be the execution operation mode, the second pre-press priority process ends. Then, the process proceeds to step S9.
  • step S5 the operation mode corresponding to the operation request of the priority indoor unit is determined as the execution operation mode.
  • the execution operation mode is the operation mode corresponding to the operation request of the priority indoor unit from the operation mode. Is changed to Then, the process proceeds to step S6.
  • step S6 it is determined whether or not there is no operation request from the priority indoor unit. And in the case of YES, ie, when the driving
  • step S7 it is determined whether or not there is an operation request from the non-priority indoor unit. If YES, that is, if there is an operation request from a non-priority indoor unit, the process proceeds to step S8. On the other hand, in the case of NO, that is, when there is no operation request from the non-priority indoor units, in other words, when there are no operation requests from all the indoor units, the operation of the air conditioner 100 is terminated.
  • step S8 redetermination processing is executed.
  • the re-determination process ends when the predetermined operation mode is determined as the execution operation mode. Then, the process proceeds to step S9.
  • step S9 it is determined whether or not there is an operation request from the priority indoor unit. If YES, that is, if there is an operation request from the priority indoor unit, the process returns to step S5. On the other hand, in the case of NO, that is, when there is no operation request from the priority indoor unit, the operation mode determined in the re-determination process is continued until there is no operation request from all the non-priority indoor units except for a predetermined case. The state determined as the execution operation mode is maintained. And if the driving
  • the air conditioner 100 when there is no operation request from the priority indoor unit, redetermination processing is performed. For this reason, the air conditioner 100 can be operated in an appropriate operation mode as compared with the case where the operation in the operation mode of the priority indoor unit is continued even when there is no operation request from the priority indoor unit.
  • the operation mode according to the operation request from the priority indoor unit is not dragged indefinitely, even though the operation request from the priority indoor unit has been lost.
  • the air conditioner 100 can be operated.
  • the control unit 60 of the present embodiment determines that all the indoor units other than the priority indoor units among the plurality of indoor units 20a, 20b, 20c, 20d, and 20e are non-priority indoor units in the second first-push priority process. To do. For this reason, in this air conditioning apparatus 100, in the second first-push priority processing, unlike the re-determination processing, all indoor units other than the priority indoor units are set in the same row.
  • the control unit 60 determines whether or not there is an operation request according to a predetermined order of non-priority indoor units, and operates according to a non-priority indoor unit that has an operation request and a higher order.
  • the mode is determined as the execution operation mode.
  • the processing contents are simplified as compared with the case where the ranking of the non-priority indoor units is performed each time the re-determination process is performed. Is able to.
  • a priority indoor unit that prioritizes the operation mode is set from among a plurality of indoor units, the execution operation mode is determined according to the operation mode of the priority indoor unit, and there is no operation request from the priority indoor unit In such a case, it is conceivable that the execution operation mode is determined with priority given in advance from the viewpoint of the preceding profit.
  • the pre-press priority process as a general rule, the process is not completed unless the operation of all the indoor units is stopped. For this reason, a situation may occur in which the operation mode determined as the execution operation mode in the first-press priority process is actually the operation mode of the non-priority indoor unit that is first requested to operate several days ago. In such a case, the execution operation mode determined several days ago is not necessarily the most appropriate operation mode at the present time.
  • the order of the non-priority indoor units in the re-determination process is determined in descending order of capability.
  • the air conditioner 100 since the operation mode is given priority in the order of the non-priority indoor units having the largest capacity in the re-determination process, the air conditioner 100 as a whole can perform efficient operation.
  • each indoor unit 20a, 20b, 20c, 20d, 20e is often proportional to the size of the room in which these indoor units 20a, 20b, 20c, 20d, 20e are installed.
  • the setting unit 37 can set the fifth indoor unit 20e installed in the E room, which is a space between customers, as the priority indoor unit.
  • the fourth indoor unit 20d installed in the room D.
  • the order of the third indoor unit 20c installed in the room C is higher than the first indoor unit 20a installed in the room A which is the study and the second indoor unit 20b installed in the room B which is the child room. Has been determined.
  • the process does not end. For this reason, a situation may occur in which the operation mode determined as the execution operation mode in the first-press priority process is actually the operation mode of the non-priority indoor unit that is first requested to operate several days ago. In such a case, the execution operation mode determined several days ago is not necessarily the most appropriate operation mode at the present time.
  • a predetermined time for example, 12 hours, 24 hours, etc.
  • a predetermined time has elapsed from the time when the operation mode corresponding to the indoor unit other than the priority indoor unit is determined as the execution operation mode in the absence of an operation request from the priority indoor unit. If it has elapsed, redetermination processing may be performed. More specifically, when the predetermined operation mode is determined as the execution operation mode in the first pre-press priority process and / or the second pre-press priority process of the above embodiment, and the operation in the predetermined operation mode continues for a predetermined time.
  • the execution operation mode may be re-determined, and the execution operation mode may be determined according to the re-determination result.
  • the re-determination process may be performed at the timing after the execution of the first pre-press priority process and / or the second pre-press priority process in addition to the timing at which the re-determination process of the embodiment is performed. . That is, when there is no operation request from the priority indoor unit, and when there is no operation request from the priority indoor unit, the operation mode corresponding to the indoor unit other than the priority indoor unit is determined as the execution operation mode for a predetermined time. When elapses, redetermination processing may be performed.
  • the air-conditioning apparatus 100 can be operated in an appropriate operation mode by executing the re-determination process at a predetermined timing. Thereby, the air conditioning apparatus 100 can be operated efficiently.
  • the rank of the non-priority indoor units in the re-determination process is not limited to the above-described embodiment, and the rank may be determined according to the non-priority indoor units that are estimated to be highly requested by the user. .
  • the order may be determined in descending order of the required capacity of the non-priority indoor unit (for example, the difference between the set temperature and the room temperature). That is, in the re-determination process, the operation mode corresponding to the non-priority indoor unit having the highest required capacity among all the non-priority indoor units having an operation request may be determined as the execution operation mode. More specifically, for example, in the re-determination process, there is an operation request from the first to third indoor units 20a to 20c, and the required capacity from the first indoor unit 20a is that from the second and third indoor units 20b and 20c. If it is larger than the required capacity, the operation mode corresponding to the operation request of the first indoor unit 20a is determined as the execution operation mode. As described above, priority is given to the operation mode of the non-priority indoor unit having a large required capacity, so that the air conditioner 100 as a whole can perform efficient operation.
  • the required capacity of the non-priority indoor unit for example, the difference between the set temperature and the room temperature.
  • the operation mode that is the largest among the operation modes corresponding to all non-priority indoor units that have an operation request may be determined as the execution operation mode.
  • the execution operation mode For example, in the redetermination process, there is an operation request from the first to fourth indoor units 20a to 20d, a cooling mode operation request from the first to third indoor units 20a to 20c, and a request from the fourth indoor unit 20d.
  • the cooling mode is determined as the execution operation mode by majority vote.
  • the air conditioning apparatus 100 as a whole can perform an efficient operation by performing the operation in the operation mode that is the largest number in the non-priority indoor unit that has an operation request.
  • the control unit 60 has a storage unit that stores the operation mode determined as the execution operation mode immediately before the operation request is issued from the priority indoor unit, and the operation request from the priority indoor unit is lost.
  • the operation mode stored in the storage unit may be determined as the execution operation mode.
  • the priority indoor unit is set to the fifth indoor unit 20e, and the operation mode according to the operation request from the first indoor unit 20a is changed to the execution operation mode before the operation request from the fifth indoor unit 20e is received. If the operation mode is determined and the operation mode is being performed, and then the operation mode corresponding to the operation request from the fifth indoor unit 20e is determined to be the execution operation mode, the storage unit first stores An operation mode corresponding to one indoor unit 20a is stored.
  • the operation mode corresponding to the operation request from the first indoor unit 20a stored in the storage unit is the execution operation mode. It is determined.
  • storage part is determined as an execution operation mode, and the processing operation

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Abstract

The purpose of the present invention is to improve the operating efficiency in an air-conditioning apparatus including a plurality of indoor units and an outdoor unit that shares a refrigerant system with the indoor units, by operating on the basis of an appropriate operation mode. An air-conditioning apparatus includes: a plurality of indoor units (20a to 20e); an outdoor unit (30) that shares a refrigerant system with the plurality of indoor units (20a to 20e); and a control unit. When there is an operation request from an indoor unit that has been set as a priority indoor unit among the plurality of indoor units (20a to 20e), the control unit determines, as an execution operation mode, an operation mode that suits the priority indoor unit. When there is no operation request from the priority indoor unit, or when a predetermined amount of time has passed from when an operation mode that suits an indoor unit other than the priority indoor unit was determined as the execution operation mode, under conditions in which there is no operation request from the priority indoor unit, the control unit carries out a re-determination process in which the execution operation mode is re-determined, and the execution operation mode is determined according to the results of the re-determination.

Description

空気調和装置Air conditioner
　本発明は、複数台の室内機と、これら複数台の室内機と冷媒系統を共有する室外機とを備える空気調和装置に関する。 The present invention relates to an air conditioner including a plurality of indoor units and an outdoor unit sharing a refrigerant system with the plurality of indoor units.
　従来より、例えば、特許文献１（特開平７－２４８１４７号公報）に開示されているように、複数台の室内機と、これら室内機と冷媒系統を共有する室外機とを備える空気調和装置がある。このような空気調和装置において複数台の室内機から同時期に運転要求があった場合、各室内機から要求された運転モードが異なっていることがある。このような場合、特許文献１では、先に運転要求のあった室内機の運転モードに応じた運転が実行されている。 Conventionally, as disclosed in, for example, Patent Document 1 (Japanese Patent Laid-Open No. 7-248147), an air conditioner including a plurality of indoor units and an outdoor unit sharing a refrigerant system with these indoor units is provided. is there. In such an air conditioner, when there is an operation request from a plurality of indoor units at the same time, the operation mode requested from each indoor unit may be different. In such a case, in patent document 1, the operation | movement according to the operation mode of the indoor unit with the driving | operation request | requirement previously is performed.
　ところで、複数台の室内機のなかから運転モードを優先させる室内機を設定しておき、その該室内機の運転モードに応じて実行する運転モードを決定することが考えられる。このような場合に、その後、優先設定された室内機の運転が停止されても優先設定された室内機に応じた運転モードのままで運転が継続されたり、或いは、優先設定されていない室内機に応じた運転モードでの運転が長時間継続されたりすると、現在実行されている運転モードが空気調和装置全体として適当な運転モードではないことがある。 By the way, it is conceivable to set an indoor unit that gives priority to the operation mode from among a plurality of indoor units, and to determine an operation mode to be executed according to the operation mode of the indoor unit. In such a case, after that, even if the operation of the priority set indoor unit is stopped, the operation is continued in the operation mode corresponding to the priority set indoor unit, or the priority setting is not performed. If the operation in the operation mode according to the operation is continued for a long time, the operation mode currently being executed may not be an appropriate operation mode for the entire air conditioner.
　そこで、本発明の課題は、複数台の室内機と、これら室内機と冷媒系統を共有する室外機とを備える空気調和装置において、適当な運転モードによる運転を行うことで、運転効率を向上させることにある。 Accordingly, an object of the present invention is to improve operation efficiency by performing operation in an appropriate operation mode in an air conditioner including a plurality of indoor units and outdoor units that share a refrigerant system with these indoor units. There is.
　本発明の第１観点に係る空気調和装置は、複数台の室内機と、室外機と、制御部と、を備える。室外機は、複数台の室内機と冷媒系統を共有する。制御部は、所定の運転モードを実行運転モードとして決定する。制御部は、実行運転モードに応じて複数台の室内機及び室外機の運転を制御する。制御部は、複数台の室内機において優先室内機として設定されている室内機から運転要求があった場合には、優先室内機に応じた運転モードを実行運転モードに決定する。制御部は、優先室内機からの運転要求がなくなった場合、或いは、優先室内機からの運転要求がない状態で優先室内機以外の室内機に応じた運転モードが実行運転モードとして決定された時から所定時間が経過している場合に、再判定処理を行う。再判定処理では、実行運転モードを再判定し、再判定の結果に応じて実行運転モードを決定する。 The air conditioner according to the first aspect of the present invention includes a plurality of indoor units, an outdoor unit, and a control unit. The outdoor unit shares a refrigerant system with a plurality of indoor units. The control unit determines a predetermined operation mode as the execution operation mode. The control unit controls the operation of the plurality of indoor units and the outdoor unit according to the execution operation mode. When there is an operation request from an indoor unit set as a priority indoor unit among a plurality of indoor units, the control unit determines an operation mode corresponding to the priority indoor unit as an execution operation mode. When there is no operation request from the priority indoor unit, or when the operation mode corresponding to the indoor unit other than the priority indoor unit is determined as the execution operation mode when there is no operation request from the priority indoor unit If a predetermined time has elapsed since then, redetermination processing is performed. In the redetermination process, the execution operation mode is determined again, and the execution operation mode is determined according to the result of the redetermination.
　本発明の第１観点に係る空気調和装置では、優先室内機からの運転要求がなくなった場合、或いは、優先室内機からの運転要求がない状態で優先室内機以外の室内機に応じた運転モードが実行運転モードとして決定された時から所定時間が経過している場合に、再判定処理が行われる。このため、優先室内機からの運転要求がなくなっても優先室内機に応じた運転モードのままで運転が継続されたり、或いは、優先室内機以外の室内機に応じた運転モードでの運転が長時間継続されたりする場合と比較して、適当な運転モードで空気調和装置を運転することができる。 In the air conditioner according to the first aspect of the present invention, when there is no operation request from the priority indoor unit or when there is no operation request from the priority indoor unit, the operation mode according to the indoor unit other than the priority indoor unit The redetermination process is performed when a predetermined time has elapsed since the time when is determined as the execution operation mode. For this reason, even if there is no operation request from the priority indoor unit, the operation is continued in the operation mode corresponding to the priority indoor unit, or the operation in the operation mode corresponding to the indoor unit other than the priority indoor unit is long. The air conditioner can be operated in an appropriate operation mode as compared with the case where the time is continued.
　これによって、空気調和装置の運転効率を向上させることができる。 This can improve the operating efficiency of the air conditioner.
　本発明の第２観点に係る空気調和装置は、第１観点の空気調和装置において、制御部は、優先室内機以外の１又は複数台の室内機からの運転要求があり、かつ優先室内機からの運転要求がない場合には、先押し優先処理を行う。先押し優先処理では、複数台の室内機のうちの最初に運転要求のあった室内機に応じた運転モードを、実行運転モードとして決定する。この空気調和装置では、先押し優先処理が行われることで、後から優先室内機以外の室内機から異なる運転モードでの運転要求があっても、運転モードが切り替わらないため、運転モードの切替回数を減らすことができる。これにより、運転モードを変更する際の各種機器の動作回数を減らすことができる。 An air conditioner according to a second aspect of the present invention is the air conditioner according to the first aspect, wherein the control unit has an operation request from one or a plurality of indoor units other than the priority indoor unit, and from the priority indoor unit. If there is no operation request, the pre-press priority process is performed. In the pre-press priority process, the operation mode corresponding to the indoor unit that requested the operation first among the plurality of indoor units is determined as the execution operation mode. In this air conditioner, since the pre-press priority process is performed, the operation mode is not switched even if there is an operation request in a different operation mode from an indoor unit other than the priority indoor unit later. Can be reduced. Thereby, the frequency | count of operation | movement of the various apparatuses at the time of changing an operation mode can be reduced.
　本発明の第３観点に係る空気調和装置は、第２観点の空気調和装置において、設定部を備える。設定部は、複数台の室内機のうちの１台の室内機を優先室内機に設定することができる。制御部は、先押し優先処理において、複数台の室内機のうちの優先室内機以外の全ての室内機を非優先室内機と判断する。この空気調和装置では、先押し優先処理において優先室内機以外の全ての室内機が同列に設定されている。 The air conditioner according to a third aspect of the present invention includes the setting unit in the air conditioner according to the second aspect. The setting unit can set one indoor unit among the plurality of indoor units as a priority indoor unit. In the pre-press priority process, the control unit determines that all the indoor units other than the priority indoor unit among the plurality of indoor units are non-priority indoor units. In this air conditioner, all indoor units other than the priority indoor units are set in the same row in the pre-press priority process.
　本発明の第４観点に係る空気調和装置は、第３観点の空気調和装置において、制御部は、再判定処理において、予め決定されている非優先室内機の順位に従って運転要求の有無を判断する。そして、制御部は、運転要求があり、かつ順位の高い非優先室内機に応じた運転モードを、実行運転モードとして決定する。この空気調和装置では、非優先室内機の順位が予め決定されているため、再判定処理を行う毎に非優先室内機の順位付けが行われる場合と比較して、処理内容を簡易にすることができる。 An air conditioner according to a fourth aspect of the present invention is the air conditioner according to the third aspect, wherein the control unit determines whether or not there is an operation request according to a predetermined order of non-priority indoor units in the re-determination process. . And a control part determines the operation mode according to the non-priority indoor unit with a driving | running request | requirement and high order | rank as an execution operation mode. In this air conditioner, since the order of the non-priority indoor units is determined in advance, the processing content is simplified as compared with the case where the ranking of the non-priority indoor units is performed each time the re-determination process is performed. Can do.
　本発明の第５観点に係る空気調和装置は、第４観点の空気調和装置において、前記順位は、非優先室内機の能力の大きい順に決定されている。この空気調和装置では、再判定処理において能力の大きい室内機の順に運転モードが優先されるため、空気調和装置全体として効率的な運転を行うことができる。 The air conditioner according to a fifth aspect of the present invention is the air conditioner according to the fourth aspect, wherein the order is determined in descending order of the capacity of the non-priority indoor units. In this air conditioner, since the operation mode is prioritized in the order of the indoor units having the greatest capability in the re-determination process, the air conditioner as a whole can be operated efficiently.
　なお、ここでいう室内機の能力とは、室内機が単位時間当たりに室内から取り除く、或いは室内に加える熱エネルギーのことである。 In addition, the capacity | capacitance of an indoor unit here is the thermal energy which an indoor unit removes from a room per unit time, or adds to a room.
　本発明の第６観点に係る空気調和装置は、第３観点の空気調和装置において、制御部は、再判定処理において、運転要求のある全ての非優先室内機のうちの要求能力の最も高い非優先室内機に応じた運転モードを、実行運転モードとして決定する。この空気調和装置では、再判定処理において要求能力の大きい室内機の運転モードが優先されるため、空気調和装置全体として効率的な運転を行うことができる。 An air conditioner according to a sixth aspect of the present invention is the air conditioner according to the third aspect, wherein the control unit is the non-priority non-priority of all non-priority indoor units having an operation request in the re-determination process. The operation mode corresponding to the priority indoor unit is determined as the execution operation mode. In this air conditioner, since the operation mode of the indoor unit having a large required capacity is prioritized in the re-determination process, the entire air conditioner can be operated efficiently.
　本発明の第７観点に係る空気調和装置は、第３観点の空気調和装置において、制御部は、運転要求のある全ての非優先室内機に応じた運転モードのうちの最も多数となる運転モードを、実行運転モードとして決定する。この空気調和装置では、再判定処理において最も多数となる運転モードでの運転が行われるため、空気調和装置全体として効率的な運転を行うことができる。 The air conditioner according to a seventh aspect of the present invention is the air conditioner according to the third aspect, wherein the control unit is the most numerous operation mode among the operation modes corresponding to all the non-priority indoor units having an operation request. Is determined as the execution operation mode. In this air conditioner, since the operation is performed in the operation mode that is the largest number in the re-determination process, the entire air conditioner can be efficiently operated.
　本発明の第８観点に係る空気調和装置は、第１観点から第３観点のいずれかの空気調和装置において、制御部は、記憶部を含む。記憶部は、優先室内機から運転要求がされる直前に実行運転モードに決定されていた運転モードを記憶する。そして、制御部は、優先室内機からの運転要求がなくなった場合に行う再判定処理において、記憶部に記憶されている運転モードを、実行運転モードとして決定する。この空気調和装置では、記憶部に記憶されている運転モードが実行運転モードとして決定されるため、再判定処理を行う毎に優先室内機以外の室内機の動作環境を判断する処理動作が実行される場合と比較して、処理内容を簡易にすることができる。 The air conditioner according to an eighth aspect of the present invention is the air conditioner according to any one of the first to third aspects, wherein the control unit includes a storage unit. The storage unit stores the operation mode determined as the execution operation mode immediately before the operation request is issued from the priority indoor unit. And a control part determines the operation mode memorize | stored in the memory | storage part as an execution operation mode in the re-decision process performed when the driving | running request | requirement from a priority indoor unit is lost. In this air conditioner, since the operation mode stored in the storage unit is determined as the execution operation mode, a processing operation for determining the operating environment of the indoor units other than the priority indoor unit is executed every time the re-determination process is performed. Compared with the case where it is, the processing content can be simplified.
　本発明の第１観点に係る空気調和装置では、運転効率を向上させることができる。 In the air conditioner according to the first aspect of the present invention, the operation efficiency can be improved.
　本発明の第２観点に係る空気調和装置では、運転モードを変更する際の各種機器の動作回数を減らすことができる。 In the air conditioner according to the second aspect of the present invention, the number of operations of various devices when changing the operation mode can be reduced.
　本発明の第３観点に係る空気調和装置では、先押し優先処理において優先室内機以外の全ての室内機が同列に設定されている。 In the air conditioner according to the third aspect of the present invention, all indoor units other than the priority indoor units are set in the same row in the pre-press priority process.
　本発明の第４観点に係る空気調和装置では、処理内容を簡易にすることができる。 In the air conditioner according to the fourth aspect of the present invention, the processing content can be simplified.
　本発明の第５観点に係る空気調和装置では、空気調和装置全体として効率的な運転を行うことができる。 In the air conditioner according to the fifth aspect of the present invention, the entire air conditioner can be operated efficiently.
　本発明の第６観点に係る空気調和装置では、空気調和装置全体として効率的な運転を行うことができる。 In the air conditioner according to the sixth aspect of the present invention, the entire air conditioner can be operated efficiently.
　本発明の第７観点に係る空気調和装置では、空気調和装置全体として効率的な運転を行うことができる。 In the air conditioner according to the seventh aspect of the present invention, the entire air conditioner can be operated efficiently.
　本発明の第８観点に係る空気調和装置では、処理内容を簡易にすることができる。 In the air conditioner according to the eighth aspect of the present invention, the processing content can be simplified.
本発明の一実施形態に係る空気調和装置の全体構成図。1 is an overall configuration diagram of an air conditioner according to an embodiment of the present invention. 空気調和装置の備える制御部の制御ブロック図。The control block diagram of the control part with which an air conditioning apparatus is provided. 空気調和装置における運転制御の一例を示すフローチャート。The flowchart which shows an example of the operation control in an air conditioning apparatus.
　以下、図面を参照しながら、本発明の一実施形態に係る空気調和装置１００について説明する。なお、以下の実施形態は、本発明の具体例であって、本発明の技術的範囲を限定するものではなく、発明の要旨を逸脱しない範囲で適宜変更が可能である。 Hereinafter, an air conditioner 100 according to an embodiment of the present invention will be described with reference to the drawings. The following embodiments are specific examples of the present invention and do not limit the technical scope of the present invention, and can be modified as appropriate without departing from the scope of the invention.
　（１）空気調和装置１００の構成
　図１に、空気調和装置１００の全体構成を示す。本発明に係る空気調和装置１００は、複数台の室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅと、これら複数台の室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅと冷媒系統を共有する室外機３０と、を備えている。本実施形態の空気調和装置１００は、１台の室外機３０に、５台の室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅが接続された、いわゆるマルチタイプの空気調和装置である。なお、本発明に係る空気調和装置において、室外機及び室内機の台数は本実施形態に限定されるものではなく、複数台の室内機と１又は複数台の室外機とが冷媒系統を共有していればよい。 (1) Configuration of Air Conditioner 100 FIG. 1 shows the overall configuration of the air conditioner 100. The air conditioner 100 according to the present invention includes a plurality of indoor units 20a, 20b, 20c, 20d, and 20e, and an outdoor unit 30 that shares a refrigerant system with the plurality of indoor units 20a, 20b, 20c, 20d, and 20e. And. The air conditioner 100 of the present embodiment is a so-called multi-type air conditioner in which five indoor units 20a, 20b, 20c, 20d, and 20e are connected to one outdoor unit 30. In the air conditioner according to the present invention, the number of outdoor units and indoor units is not limited to this embodiment, and a plurality of indoor units and one or a plurality of outdoor units share a refrigerant system. It only has to be.
　（２）空気調和装置１００の詳細構成
　（２－１）室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅ
　図１に示すように、複数台の室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅは、建物１０の室Ａ，Ｂ，Ｃ，Ｄ，Ｅ内に設置されている。本実施形態では、各室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅがそれぞれ別の室Ａ，Ｂ，Ｃ，Ｄ，Ｅ内に設置されている。ここで、建物１０の各室Ａ，Ｂ，Ｃ，Ｄ，Ｅ内の広さ（平米数）は、それぞれ異なっていることがある。このような場合には、各室Ａ，Ｂ，Ｃ，Ｄ，Ｅ内には、それぞれの広さに合った能力クラスの室内機が設置されることが推奨される。なお、各室Ａ，Ｂ，Ｃ，Ｄ，Ｅ内に対して能力クラスの異なる室内機を設置することができるように、例えば、能力クラスの異なる室内機を接続できるように、空気調和装置１００を設置する際に予め建物１０の各室Ａ，Ｂ，Ｃ，Ｄ，Ｅ内の広さに合わせて配管径の異なる配管接続部を設計しておくことで対応したりする。 (2) Detailed configuration of air conditioner 100 (2-1) Indoor units 20a, 20b, 20c, 20d, 20e
As shown in FIG. 1, a plurality of indoor units 20 a, 20 b, 20 c, 20 d, and 20 e are installed in the rooms A, B, C, D, and E of the building 10. In the present embodiment, the indoor units 20a, 20b, 20c, 20d, and 20e are installed in separate rooms A, B, C, D, and E, respectively. Here, the space (number of square meters) in each room A, B, C, D, E of the building 10 may be different. In such a case, it is recommended that an indoor unit of a capacity class suitable for the size of each room A, B, C, D, E is installed. In order to be able to install indoor units having different capacity classes in each of the rooms A, B, C, D, and E, for example, the air conditioner 100 so that indoor units having different capacity classes can be connected. Is installed by designing pipe connection portions having different pipe diameters in accordance with the sizes of the rooms A, B, C, D, and E of the building 10 in advance.
　ここでは、図１に示すように、室Ａ（以下、Ａ室という）と室Ｂ（以下、Ｂ室という）とは等しい広さを有しており、次いで、室Ｃ（以下、Ｃ室という）、室Ｅ（以下、Ｅ室という）、室Ｄ（以下、Ｄ室という）の順に広いものとする。また、ここでは、Ａ室は書斎、Ｂ室は子供部屋、Ｃ室は主寝室、Ｄ室はリビング、Ｅ室は客間であるものとする。そして、Ａ室には第１室内機２０ａが、Ｂ室には第２室内機２０ｂが、Ｃ室には第３室内機２０ｃが、Ｄ室には第４室内機２０ｄが、Ｅ室には第５室内機２０ｅが、それぞれ設置されているものとする。なお、これら室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅにおいて、各室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅの能力クラスは、第４室内機２０ｄが最も大きく、続いて、第５室内機２０ｅ、第３室内機２０ｃの順に大きく、第１室内機２０ａと第２室内機２０ｂとは同等であるものとする。 Here, as shown in FIG. 1, the room A (hereinafter referred to as the A room) and the room B (hereinafter referred to as the B room) have the same size, and then the room C (hereinafter referred to as the C room). ), Room E (hereinafter referred to as room E), and room D (hereinafter referred to as room D). Here, it is assumed that room A is a study, room B is a child's room, room C is a master bedroom, room D is a living room, and room E is a guest room. The first indoor unit 20a is in room A, the second indoor unit 20b is in room B, the third indoor unit 20c is in room C, the fourth indoor unit 20d is in room D, and the fourth room is in room E. It is assumed that the fifth indoor unit 20e is installed. In these indoor units 20a, 20b, 20c, 20d, and 20e, the capacity class of each indoor unit 20a, 20b, 20c, 20d, and 20e is the largest in the fourth indoor unit 20d, and then the fifth indoor unit 20e. The third indoor unit 20c increases in order, and the first indoor unit 20a and the second indoor unit 20b are equivalent.
　図２は、空気調和装置１００の備える制御部６０の制御ブロック図である。図２に示すように、各室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅはそれぞれ室内機制御部２１ａ，２１ｂ，２１ｃ，２１ｄ，２１ｅを有している。室内機制御部２１ａ，２１ｂ，２１ｃ，２１ｄ，２１ｅは、室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅを構成する各部（室内ファンモータ２３ａ，２３ｂ，２３ｃ，２３ｄ，２３ｅ、室内膨張弁２４ａ，２４ｂ，２４ｃ，２４ｄ，２４ｅ及びフラップ等）の動作を制御する。そして、室内機制御部２１ａ，２１ｂ，２１ｃ，２１ｄ，２１ｅは、室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅの制御を行うために設けられたマイクロコンピュータやメモリ等を有しており、室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅを個別に操作するためのリモコン２２ａ，２２ｂ，２２ｃ，２２ｄ，２２ｅとの間で制御信号等のやりとりを行ったり、室外機３０との間で伝送線６１を介して制御信号等のやりとりを行ったりすることができるようになっている。 FIG. 2 is a control block diagram of the control unit 60 included in the air conditioning apparatus 100. As shown in FIG. 2, each indoor unit 20a, 20b, 20c, 20d, and 20e has an indoor unit controller 21a, 21b, 21c, 21d, and 21e, respectively. The indoor unit control units 21a, 21b, 21c, 21d, and 21e are components ( indoor fan motors 23a, 23b, 23c, 23d, and 23e, indoor expansion valves 24a and 24b) that constitute the indoor units 20a, 20b, 20c, 20d, and 20e. , 24c, 24d, 24e, flaps, etc.). The indoor unit control units 21a, 21b, 21c, 21d, and 21e have microcomputers and memories that are provided to control the indoor units 20a, 20b, 20c, 20d, and 20e. Control signals and the like are exchanged with remote controllers 22a, 22b, 22c, 22d, and 22e for individually operating 20a, 20b, 20c, 20d, and 20e, and a transmission line 61 is communicated with the outdoor unit 30. It is possible to exchange control signals and the like.
　なお、図２では、第１室内機２０ａの備える各種機器の語頭には「第１」の文字を付しており、第２室内機２０ｂの備える各種機器の語頭には「第２」の文字を付しており、第３室内機２０ｃの備える各種機器の語頭には「第３」の文字を付しており、第４室内機２０ｄの備える各種機器の語頭には「第４」の文字を付しており、第５室内機２０ｅの備える各種機器の語頭には「第５」の文字を付している。 In FIG. 2, the letters “first” are attached to the beginnings of the various devices included in the first indoor unit 20a, and the letters “second” are added to the beginnings of the various apparatuses included in the second indoor unit 20b. Is attached to the beginning of the various devices included in the third indoor unit 20c, and the character “fourth” is added to the beginning of the various devices included in the fourth indoor unit 20d. Is attached, and the letters “fifth” are attached to the beginning of various devices included in the fifth indoor unit 20e.
　（２－２）室外機３０
　室外機３０は、各室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅと冷媒配管を介して接続されており、圧縮機や室外熱交換器等から構成される冷媒回路を形成している。 (2-2) Outdoor unit 30
The outdoor unit 30 is connected to each indoor unit 20a, 20b, 20c, 20d, and 20e via a refrigerant pipe, and forms a refrigerant circuit including a compressor, an outdoor heat exchanger, and the like.
　また、図２に示すように、室外機３０は、室外機制御部３１を有している。室外機制御部３１は、室外機３０を構成する各部（圧縮機モータ３２、四路切換弁３３、室外ファンモータ３４、及び室外膨張弁３５）の動作を制御する。そして、室外機制御部３１は、室外機３０の制御を行うために設けられたマイクロコンピュータやメモリ等を有しており、各室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅ（すなわち、各室内機制御部２１ａ，２１ｂ，２１ｃ，２１ｄ，２１ｅ）との間で伝送線６１を介して制御信号等のやりとりを行うことができるようになっている。 Further, as shown in FIG. 2, the outdoor unit 30 has an outdoor unit control unit 31. The outdoor unit control unit 31 controls the operation of each unit constituting the outdoor unit 30 (compressor motor 32, four-way switching valve 33, outdoor fan motor 34, and outdoor expansion valve 35). The outdoor unit control unit 31 includes a microcomputer, a memory, and the like provided to control the outdoor unit 30, and each indoor unit 20a, 20b, 20c, 20d, 20e (that is, each indoor unit). Control signals and the like can be exchanged with the control units 21a, 21b, 21c, 21d, and 21e) via the transmission line 61.
　ここでは、室外機３０の室外機制御部３１を有する制御基板３６には、設定部３７が設けられている。設定部３７としては、例えばディップスイッチが挙げられる。そして、このディップスイッチを用いて、ユーザや設置作業者が、空気調和装置１００の運転において実行される運転モードである実行運転モードを決定する際に他の室内機よりも優先される１台の室内機を、優先室内機として複数台の室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅから選択して設定することができる。なお、本発明の設定部３７はディップスイッチに限定されるものではなく、他の態様であってもよい。また、本実施形態では、設定部３７が室外機３０に設けられているが、設定部３７が室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅに設けられていてもよく、例えば、リモコン２２ａ，２２ｂ，２２ｃ，２２ｄ，２２ｅからユーザが優先室内機を設定できるようになっていてもよい。さらには、ここでは設定部３７が設けられているが、他の手段により（例えば、制御部６０により）優先室内機が自動的に設定されるのであれば、設定部３７が設けられていなくてもよい。 Here, on the control board 36 having the outdoor unit control unit 31 of the outdoor unit 30, a setting unit 37 is provided. An example of the setting unit 37 is a dip switch. And using this DIP switch, when a user or an installation worker determines execution operation mode which is an operation mode performed in operation of air harmony device 100, one unit given priority over other indoor units An indoor unit can be selected and set from a plurality of indoor units 20a, 20b, 20c, 20d, and 20e as priority indoor units. The setting unit 37 of the present invention is not limited to a dip switch, and may be another mode. In the present embodiment, the setting unit 37 is provided in the outdoor unit 30, but the setting unit 37 may be provided in the indoor units 20a, 20b, 20c, 20d, and 20e, for example, remote controllers 22a and 22b. , 22c, 22d, and 22e, the user may be able to set the priority indoor unit. Furthermore, although the setting unit 37 is provided here, the setting unit 37 is not provided if the priority indoor unit is automatically set by other means (for example, by the control unit 60). Also good.
　（２－３）制御部６０
　空気調和装置１００は、室内機制御部２１ａ，２１ｂ，２１ｃ，２１ｄ，２１ｅと室外機制御部３１とから構成される制御部６０によって、室外機３０及び室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅの各部の制御を行うことができるようになっている。すなわち、室内機制御部２１ａ，２１ｂ，２１ｃ，２１ｄ，２１ｅと室外機制御部３１と伝送線６１とによって、冷房運転や暖房運転等を含む空気調和装置１００全体の運転制御を行う制御部６０が構成されている。 (2-3) Control unit 60
The air conditioner 100 includes the outdoor unit 30 and the indoor units 20a, 20b, 20c, 20d, and 20e by the control unit 60 that includes the indoor unit control units 21a, 21b, 21c, 21d, and 21e and the outdoor unit control unit 31. The respective parts can be controlled. That is, the control unit 60 that performs operation control of the entire air conditioner 100 including cooling operation and heating operation is performed by the indoor unit control units 21a, 21b, 21c, 21d, and 21e, the outdoor unit control unit 31, and the transmission line 61. It is configured.
　制御部６０は、室外機３０及び室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅの備える図示しない各種センサ等の検出信号を受けることができるように接続されるとともに、これら検出信号等に基づいて各部を制御することができるようになっている。 The control unit 60 is connected so as to receive detection signals from various sensors (not shown) included in the outdoor unit 30 and the indoor units 20a, 20b, 20c, 20d, and 20e, and each unit based on the detection signals and the like. Can be controlled.
　また、制御部６０は、空気調和装置１００の運転制御において、各種処理を実行する。各種処理には、空気調和装置１００において運転する運転モードである実行運転モードを、所定の運転モード（ここでは、冷房モード及び暖房モード）から選択して決定する処理が含まれる。なお、制御部６０は、複数台の室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅにおいて優先室内機として設定されている室内機から運転要求があった場合には、優先室内機に応じた運転モードを実行運転モードとして決定する。ここでは、優先室内機は、設定部３７において設定される。また、制御部６０は、後述する第２先押し優先処理において、設定部３７において優先室内機として設定された室内機以外の全ての室内機を非優先室内機と判断する。なお、実行運転モードを決定する処理には、第１先押し優先処理、第２先押し優先処理、及び再判定処理が含まれる。そして、制御部６０は、決定した実行運転モードに応じて室外機３０及び室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅを制御する。 Further, the control unit 60 executes various processes in the operation control of the air conditioner 100. The various processes include a process of selecting and determining an execution operation mode, which is an operation mode of operation in the air conditioner 100, from a predetermined operation mode (here, the cooling mode and the heating mode). In addition, when there is an operation request from the indoor unit set as the priority indoor unit in the plurality of indoor units 20a, 20b, 20c, 20d, and 20e, the control unit 60 operates according to the priority indoor unit. Is determined as the execution operation mode. Here, the priority indoor unit is set in the setting unit 37. In addition, the control unit 60 determines that all indoor units other than the indoor units set as the priority indoor units in the setting unit 37 are non-priority indoor units in a second first-pressing priority process described later. The process for determining the execution operation mode includes a first pre-press priority process, a second pre-press priority process, and a redetermination process. Then, the control unit 60 controls the outdoor unit 30 and the indoor units 20a, 20b, 20c, 20d, and 20e according to the determined execution operation mode.
　ここでは、冷房モードが実行運転モードとして決定されると、空気調和装置１００において冷房運転が行われる。冷房運転を行う場合には、特に、室外機制御部３１が、圧縮機の吐出側と室外熱交換器のガス側とが接続され、かつ圧縮機の吸入側とガス冷媒連絡管とが接続されるように、四路切換弁３３を切り替える。また、この場合、暖房モードでの運転要求があった室内機の室内機制御部は、その制御下にある室内膨張弁を閉じる。一方で、暖房モードが実行運転モードとして決定されると、空気調和装置１００において暖房運転が行われる。暖房運転を行う場合には、特に、室外機制御部３１が、圧縮機の吐出側とガス冷媒連絡管とが接続され、かつ圧縮機の吸入側と室外熱交換器のガス側とが接続されるように、四路切換弁３３を切り替える。なお、この場合、冷房モードでの運転要求があった室内機の室内機制御部は、その制御下にある室内膨張弁を閉じる制御を行わず、開けた状態を維持する。また、ここでは、運転要求のない室内機、すなわち、運転が停止されている室内機については、室内膨張弁は開けた状態で維持される。 Here, when the cooling mode is determined as the execution operation mode, the air-conditioning apparatus 100 performs the cooling operation. When performing the cooling operation, in particular, the outdoor unit control unit 31 connects the discharge side of the compressor and the gas side of the outdoor heat exchanger, and connects the suction side of the compressor and the gas refrigerant communication pipe. Thus, the four-way switching valve 33 is switched. In this case, the indoor unit control unit of the indoor unit that has been requested to operate in the heating mode closes the indoor expansion valve under the control. On the other hand, when the heating mode is determined as the execution operation mode, the air-conditioning apparatus 100 performs the heating operation. When performing the heating operation, in particular, the outdoor unit control unit 31 connects the discharge side of the compressor and the gas refrigerant communication pipe, and connects the suction side of the compressor and the gas side of the outdoor heat exchanger. Thus, the four-way switching valve 33 is switched. In this case, the indoor unit control unit of the indoor unit that has requested operation in the cooling mode does not perform control to close the indoor expansion valve under the control, and maintains the opened state. Here, for indoor units that do not require operation, that is, indoor units that have been stopped, the indoor expansion valve is kept open.
　なお、本実施形態では、運転モードに応じた各部の制御が上述したように設計されているが、本発明の各部の制御はこれに限定されるものではなく、各部の制御が異なるものであってもよい。 In the present embodiment, the control of each part according to the operation mode is designed as described above. However, the control of each part of the present invention is not limited to this, and the control of each part is different. May be.
　（３）各種処理
　（３－１）第１先押し優先処理
　第１先押し優先処理は、設定部３７において優先室内機の設定がされていない場合に実行される処理である。 (3) Various Processes (3-1) First Pre-push Priority Process The first pre-push priority process is a process that is executed when the setting unit 37 has not set a priority indoor unit.
　第１先押し優先処理では、全ての室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅが非優先室内機と判断される。そして、第１先押し優先処理では、非優先室内機のうちの最初に運転要求のあった非優先室内機に応じた運転モード、すなわち、全ての室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅのうちの最初に運転要求のあった室内機に応じた運転モードが、実行運転モードとして決定される。なお、この実行運転モードは、全ての非優先室内機の運転要求がなくなるまで変更されずに継続される。例えば、第１先押し優先処理において実行運転モードを決定する起源となった室内機（全ての非優先室内機の運転要求がない状態から最初に運転要求をした非優先室内機）の運転要求がなくなったとしても、その時点で他の非優先室内機からの運転要求がある場合には、実行運転モードは起源となった非優先室内機の運転モードが維持され、該運転モードで空気調和装置１００が運転されることになる。そして、全ての非優先室内機の運転が停止されて全ての非優先室内機からの運転要求がなくなることで、第１先押し優先処理が終了する。 In the first first-push priority processing, all indoor units 20a, 20b, 20c, 20d, and 20e are determined as non-priority indoor units. In the first first-priority priority process, the operation mode corresponding to the non-priority indoor unit requested to operate first among the non-priority indoor units, that is, all the indoor units 20a, 20b, 20c, 20d, and 20e. The operation mode corresponding to the indoor unit that requested the operation first is determined as the execution operation mode. This execution operation mode is continued without being changed until there is no operation request for all non-priority indoor units. For example, the operation request of the indoor unit (the non-priority indoor unit that requested the operation first from the state where there is no operation request of all the non-priority indoor units) that is the origin of determining the execution operation mode in the first first-push priority processing is Even if there is no operation, if there is an operation request from another non-priority indoor unit at that time, the operation mode of the non-priority indoor unit that is the origin is maintained, and the air conditioner is operated in the operation mode. 100 will be driven. Then, when the operation of all the non-priority indoor units is stopped and the operation request from all the non-priority indoor units is eliminated, the first first-priority priority processing is completed.
　例えば、第１先押し優先処理において、全ての室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅのうちの第１室内機２０ａの運転が最初に開始されて第１室内機２０ａから冷房モードでの運転要求があった場合、実行運転モードが冷房モードに決定される。そして、他の室内機（例えば、第２～第５室内機２０ｂ～２０ｅ）から暖房モードでの運転要求があったとしても、冷房モードでの運転が継続される。その後、第１室内機２０ａの運転が停止されて第１室内機２０ａの運転要求がなくなったとしても、その時点で他の室内機（例えば、第２～第４室内機２０ｂ～２０ｄ）からの運転要求がある場合には、そのなかの一部の室内機（例えば、第２室内機２０ｂ）から暖房モードでの運転要求があったとしても、冷房モードでの運転が継続される。なお、このとき、運転要求のある全ての室内機が、現在の実行運転モードとは異なる運転モードでの運転を要求している場合には、実行運転モードが変更される。例えば、第１室内機２０ａの運転要求に応じた冷房モードが実行運転モードとして決定されている場合であって、第１室内機２０ａからの運転要求がなくなった時に第２～第４室内機２０ｂ～２０ｄからの運転要求があり、かつ第２～第４室内機２０ｂ～２０ｄからの運転要求が暖房モードでの運転である場合には、実行運転モードが冷房モードから暖房モードに変更される。 For example, in the first first-push priority processing, the operation of the first indoor unit 20a among all the indoor units 20a, 20b, 20c, 20d, and 20e is started first, and the operation in the cooling mode is started from the first indoor unit 20a. When requested, the execution operation mode is determined to be the cooling mode. And even if there is an operation request in the heating mode from other indoor units (for example, the second to fifth indoor units 20b to 20e), the operation in the cooling mode is continued. After that, even if the operation of the first indoor unit 20a is stopped and the operation request for the first indoor unit 20a is lost, at that time, other indoor units (for example, the second to fourth indoor units 20b to 20d) When there is an operation request, even if there is an operation request in the heating mode from some of the indoor units (for example, the second indoor unit 20b), the operation in the cooling mode is continued. At this time, when all the indoor units having an operation request request operation in an operation mode different from the current execution operation mode, the execution operation mode is changed. For example, when the cooling mode corresponding to the operation request of the first indoor unit 20a is determined as the execution operation mode, when the operation request from the first indoor unit 20a disappears, the second to fourth indoor units 20b When the operation request is from 20d and the operation request from the second to fourth indoor units 20b to 20d is the operation in the heating mode, the execution operation mode is changed from the cooling mode to the heating mode.
　（３－２）第２先押し優先処理
　第２先押し優先処理は、設定部３７において優先室内機の設定がされており、優先室内機以外の１又は複数台の室内機から運転要求があり、かつ優先室内機からの運転要求がない場合に実行される処理である。 (3-2) Second first-push priority process In the second first-push priority process, the priority indoor unit is set in the setting unit 37, and there is an operation request from one or a plurality of indoor units other than the priority indoor unit. And a process executed when there is no operation request from the priority indoor unit.
　第２先押し優先処理では、優先室内機以外の複数台の室内機は、全て非優先室内機と判断される。そして、第２先押し優先処理では、非優先室内機のうちの最初に運転要求のあった非優先室内機に応じた運転モード、すなわち、優先室内機以外の全ての室内機のうちの最初に運転要求のあった室内機に応じた運転モードが、実行運転モードとして決定される。なお、この実行運転モードは、非優先室内機の運転要求がなくなるまで、又は優先室内機からの運転要求があるまで変更されずに継続される。例えば、第２先押し優先処理において実行運転モードを決定する起源となった非優先室内機（優先室内機及び非優先室内機の運転要求がない状態から最初に運転要求をした非優先室内機）の運転要求がなくなったとしても、その時点で他の非優先室内機からの運転要求がある場合には、実行運転モードは起源となった非優先室内機の運転モードが維持され、該運転モードで空気調和装置１００が運転されることになる。なお、このとき、運転要求のある全ての非優先室内機が、現在の実行運転モードとは異なる運転モードでの運転を要求している場合には、実行運転モードが変更される。そして、全ての非優先室内機の運転が停止され全ての非優先室内機からの運転要求がなくなることで、第２先押し優先処理が終了する。また、第２先押し優先処理を実行している間に、優先室内機からの運転要求があった場合には、その時点で第２先押し優先処理が終了するとともに、優先室内機からの運転要求に応じた運転モードが実行運転モードとして決定され、該運転モードで空気調和装置１００が運転されることになる。 In the second first-push priority process, a plurality of indoor units other than the priority indoor units are all determined to be non-priority indoor units. Then, in the second first-priority priority process, the operation mode corresponding to the non-priority indoor unit requested to operate first among the non-priority indoor units, that is, the first of all indoor units other than the priority indoor unit The operation mode corresponding to the indoor unit that requested the operation is determined as the execution operation mode. The execution operation mode is continued without being changed until there is no operation request for the non-priority indoor unit or until there is an operation request from the priority indoor unit. For example, a non-priority indoor unit that is the origin of determining the execution operation mode in the second first-priority priority process (a non-priority indoor unit that has made an operation request first from a state where there is no operation request for the priority indoor unit and the non-priority indoor unit) Even if there is no operation request, the operation mode of the non-priority indoor unit that is the origin is maintained when there is an operation request from another non-priority indoor unit at that time. Thus, the air conditioner 100 is operated. At this time, when all the non-priority indoor units having an operation request request operation in an operation mode different from the current execution operation mode, the execution operation mode is changed. Then, the operation of all the non-priority indoor units is stopped, and the operation request from all the non-priority indoor units is eliminated, whereby the second first-priority priority process ends. In addition, if there is an operation request from the priority indoor unit during the execution of the second first-push priority process, the second first-push priority process ends at that time and the operation from the priority indoor unit is performed. The operation mode according to the request is determined as the execution operation mode, and the air conditioner 100 is operated in the operation mode.
　例えば、第２先押し優先処理において、設定部３７において第５室内機２０ｅが優先室内機として設定されている場合であって、全ての室内機のうちの第１室内機２０ａの運転が最初に開始されて第１室内機２０ａから冷房モードでの運転要求があった場合、実行運転モードが冷房モードに決定される。そして、他の非優先室内機（第２～第４室内機２０ｂ～２０ｄ）から暖房モードでの運転要求があったとしても、冷房モードでの運転が継続される。その後、第１室内機２０ａの運転が停止されて第１室内機２０ａの運転要求がなくなったとしても、その時点で他の非優先室内機（第２～第４室内機２０ｂ～２０ｄ）からの運転要求がある場合には、そのなかの一部の室内機（例えば、第２室内機２０ｂ）から暖房モードでの運転要求があったとしても、冷房モードでの運転が継続される。一方で、第１室内機２０ａの運転が停止されて第１室内機２０ａの運転要求がなくなった時に、運転要求のある他の全ての非優先室内機からの運転要求が暖房モードでの運転である場合には、実行運転モードが冷房モードから暖房モードに変更される。また、第２先押し優先処理の実行中に、優先室内機である第５室内機２０ｅから、例えば暖房モードでの運転要求があった場合には、実行運転モードが冷房モードから暖房モードに変更される。 For example, in the second first-push priority process, the fifth indoor unit 20e is set as the priority indoor unit in the setting unit 37, and the first indoor unit 20a among all the indoor units is operated first. When the first indoor unit 20a is started and there is an operation request in the cooling mode, the execution operation mode is determined to be the cooling mode. Even when other non-priority indoor units (second to fourth indoor units 20b to 20d) have requested operation in the heating mode, the operation in the cooling mode is continued. Thereafter, even if the operation of the first indoor unit 20a is stopped and the operation request for the first indoor unit 20a is removed, at that time, other non-priority indoor units (second to fourth indoor units 20b to 20d) When there is an operation request, even if there is an operation request in the heating mode from some of the indoor units (for example, the second indoor unit 20b), the operation in the cooling mode is continued. On the other hand, when the operation of the first indoor unit 20a is stopped and the operation request for the first indoor unit 20a disappears, the operation requests from all the other non-priority indoor units having the operation request are the operations in the heating mode. In some cases, the execution operation mode is changed from the cooling mode to the heating mode. In addition, during the execution of the second first-push priority process, if there is an operation request in the heating mode, for example, from the fifth indoor unit 20e that is the priority indoor unit, the execution operation mode is changed from the cooling mode to the heating mode. Is done.
　（３－３）再判定処理
　再判定処理は、設定部３７において優先室内機が設定されており、優先室内機の運転要求に応じた運転モードが実行運転モードに決定されている状態で、優先室内機からの運転要求がなくなった場合に実行される処理である。 (3-3) Redetermination process In the redetermination process, the priority indoor unit is set in the setting unit 37, and the operation mode corresponding to the operation request of the priority indoor unit is determined as the execution operation mode. This is a process executed when there is no operation request from the indoor unit.
　再判定処理では、現在決定されている実行運転モードが再判定され、該再判定の結果に応じて実行運転モードが決定される。ここでは、優先室内機の運転要求がなくなった場合であって、１又は複数の非優先室内機からの運転要求がある場合に、実行運転モードの再判定が行われる。この再判定処理では、予め決定されている非優先室内機の順位に従って運転要求の有無を判断し、運転要求があり、かつ順位の高い非優先室内機に応じた運転モードを実行運転モードに決定する。これにより、再判定処理が終了する。 In the redetermination process, the currently determined execution operation mode is redetermined, and the execution operation mode is determined according to the result of the redetermination. Here, when there is no request for operation of the priority indoor units, and there is an operation request from one or more non-priority indoor units, the execution operation mode is re-determined. In this redetermination process, the presence / absence of an operation request is determined in accordance with a predetermined order of non-priority indoor units, and an operation mode corresponding to a non-priority indoor unit having an operation request and higher order is determined as an execution operation mode. To do. Thereby, the re-determination process ends.
　なお、再判定処理における非優先室内機の順位は、例えば、ユーザからの要求度の高い非優先室内機と推測される順に決定すればよい。本実施形態では、ユーザからの要求度の高い非優先室内機からの運転要求を能力クラスの大きい室内機からの運転要求とみなして、再判定処理における非優先室内機の順位をその能力の大きい順に決定している。また、本実施形態のように室内機の能力の大きい順に順位が決定されている場合に、能力が同等の室内機が複数台存在しているようなときは、これら能力が同等の室内機については制御部６０が自動的に順位付けを行ってもよく、これら能力が同等の室内機についてのみユーザや設置作業者等が手動で順位付けを行えるようになっていてもよい。 In addition, what is necessary is just to determine the order | rank of the non-priority indoor unit in a re-judgment process in order presumed to be a non-priority indoor unit with a high request | requirement degree from a user, for example. In the present embodiment, the operation request from the non-priority indoor unit having a high degree of demand from the user is regarded as the operation request from the indoor unit having a large capability class, and the rank of the non-priority indoor unit in the re-determination process is large. Decided in order. Also, when the order is determined in descending order of the capacity of the indoor units as in this embodiment, if there are multiple indoor units with the same capacity, the indoor units with the same capacity The control unit 60 may automatically perform ranking, or the user, the installation worker, or the like may be able to manually perform ranking only for indoor units having the same capability.
　例えば、設定部３７において第５室内機２０ｅが優先室内機として設定されており、再判定処理における非優先室内機の順位が、第４室内機２０ｄ、第３室内機２０ｃ、第２室内機２０ｂ、第１室内機２０ａの順に決定されている場合、第５室内機２０ｅから冷房モードでの運転要求があった場合、実行運転モードが冷房モードに決定される。なお、非優先室内機（第１～第４室内機２０ａ～２０ｄ）から暖房モードでの運転要求があったとしても、冷房モードでの運転が行われる。その後、第５室内機２０ｅの運転が停止されて第５室内機２０ｅからの運転要求がなくなり、かつ他の非優先室内機（第１～第４室内機２０ａ～２０ｄの少なくともいずれか１台）からの運転要求がある場合に、再判定処理が実行される。再判定処理では、第５室内機２０ｅの運転要求がなくなった時点で、まず、予め決定されている順位に従って、すなわち、第４室内機２０ｄ、第３室内機２０ｃ、第２室内機２０ｂ、第１室内機２０ａの順に、運転要求の有無が判断される。このとき、例えば、第１～第３室内機２０ａ～２０ｃからの運転要求があった場合には、第３室内機２０ｃの運転要求に応じた運転モードが実行運転モードとして決定される。すなわち、第１及び第２室内機２０ａ，２０ｂからの運転要求が冷房モードであったとしても、第３室内機２０ｃからの運転要求が暖房モードである場合には、実行運転モードが暖房モードに決定されることになる。 For example, the fifth indoor unit 20e is set as the priority indoor unit in the setting unit 37, and the order of the non-priority indoor units in the re-determination process is the fourth indoor unit 20d, the third indoor unit 20c, and the second indoor unit 20b. When the first indoor unit 20a is determined in the order, and the fifth indoor unit 20e requests an operation in the cooling mode, the execution operation mode is determined to be the cooling mode. Even if there is an operation request in the heating mode from the non-priority indoor units (first to fourth indoor units 20a to 20d), the operation in the cooling mode is performed. Thereafter, the operation of the fifth indoor unit 20e is stopped, there is no operation request from the fifth indoor unit 20e, and other non-priority indoor units (at least one of the first to fourth indoor units 20a to 20d) The redetermination process is executed when there is an operation request from. In the redetermination process, when there is no longer an operation request for the fifth indoor unit 20e, first, according to a predetermined order, that is, the fourth indoor unit 20d, the third indoor unit 20c, the second indoor unit 20b, The presence / absence of an operation request is determined in the order of one indoor unit 20a. At this time, for example, when there is an operation request from the first to third indoor units 20a to 20c, the operation mode corresponding to the operation request of the third indoor unit 20c is determined as the execution operation mode. That is, even if the operation requests from the first and second indoor units 20a and 20b are in the cooling mode, if the operation request from the third indoor unit 20c is in the heating mode, the execution operation mode is set to the heating mode. Will be decided.
　（４）制御部６０による実行運転モードの決定の流れ
　図３は、空気調和装置１００における運転制御の一例を示すフローチャートである。なお、図３では、スタートの時点で全ての室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅの運転が停止している場合について記載している。 (4) Flow of Determination of Execution Operation Mode by Control Unit 60 FIG. 3 is a flowchart illustrating an example of operation control in the air conditioner 100. FIG. 3 shows a case where the operation of all the indoor units 20a, 20b, 20c, 20d, and 20e is stopped at the time of starting.
　ステップＳ１では、全ての室内機の運転が停止している状態で、いずれかの室内機から運転要求があった場合に、設定部３７において優先室内機が設定されているか否かが判断される。そして、ＮＯの場合、すなわち優先室内機の設定がされていない場合には、ステップＳ２へと進む。一方で、ＹＥＳの場合、すなわち優先室内機の設定がされている場合には、ステップＳ３へと進む。 In step S1, in the state where the operation of all the indoor units is stopped, when there is an operation request from any of the indoor units, the setting unit 37 determines whether or not the priority indoor unit is set. . If NO, that is, if the priority indoor unit is not set, the process proceeds to step S2. On the other hand, if YES, that is, if the priority indoor unit is set, the process proceeds to step S3.
　ステップＳ２では、第１先押し優先処理が実行される。そして、所定の運転モードが実行運転モードに決定され、全ての室内機の運転が停止されることで第１先押し優先処理の実行が終了する。 In step S2, the first pre-press priority process is executed. Then, the predetermined operation mode is determined to be the execution operation mode, and the operation of the first pre-press priority process is terminated by stopping the operation of all the indoor units.
　ステップＳ３では、優先室内機からの運転要求であるか否かが判断される。そして、ＮＯの場合、すなわち優先室内機からの運転要求でない場合、言い換えると非優先室内機からの運転要求であった場合には、ステップＳ４へと進む。一方で、ＹＥＳの場合、すなわち優先室内機からの運転要求であった場合には、ステップＳ５へと進む。 In step S3, it is determined whether or not the operation request is from the priority indoor unit. If NO, that is, if it is not an operation request from a priority indoor unit, in other words, if it is an operation request from a non-priority indoor unit, the process proceeds to step S4. On the other hand, in the case of YES, that is, when the operation request is from the priority indoor unit, the process proceeds to step S5.
　ステップＳ４では、第２先押し優先処理が実行される。そして、所定の運転モードが実行運転モードに決定されることで、第２先押し優先処理が終了する。そして、ステップＳ９へと進む。 In step S4, the second pre-press priority process is executed. Then, when the predetermined operation mode is determined to be the execution operation mode, the second pre-press priority process ends. Then, the process proceeds to step S9.
　ステップＳ５では、優先室内機の運転要求に応じた運転モードが実行運転モードに決定される。なお、このとき、非優先室内機からの運転要求に応じた運転モードが実行運転モードに決定されていた場合には、実行運転モードが該運転モードから優先室内機の運転要求に応じた運転モードへと変更される。そして、ステップＳ６へと進む。 In step S5, the operation mode corresponding to the operation request of the priority indoor unit is determined as the execution operation mode. At this time, when the operation mode corresponding to the operation request from the non-priority indoor unit is determined as the execution operation mode, the execution operation mode is the operation mode corresponding to the operation request of the priority indoor unit from the operation mode. Is changed to Then, the process proceeds to step S6.
　ステップＳ６では、優先室内機からの運転要求がなくなったか否かが判断される。そして、ＹＥＳの場合、すなわち優先室内機からの運転要求がなくなった場合には、ステップＳ７へと進む。一方で、ＮＯの場合、すなわち優先室内機からの運転要求がなくなっていない場合、言い換えると優先室内機からの運転要求がある場合には、ステップＳ６へと戻る。 In step S6, it is determined whether or not there is no operation request from the priority indoor unit. And in the case of YES, ie, when the driving | running request | requirement from a priority indoor unit is lose | eliminated, it progresses to step S7. On the other hand, in the case of NO, that is, when the operation request from the priority indoor unit is not lost, in other words, when there is an operation request from the priority indoor unit, the process returns to step S6.
　ステップＳ７では、非優先室内機からの運転要求の有無が判断される。そして、ＹＥＳの場合、すなわち非優先室内機からの運転要求がある場合には、ステップＳ８へと進む。一方で、ＮＯの場合、すなわち非優先室内機からの運転要求がない場合、言い換えると全ての室内機からの運転要求がない場合には、空気調和装置１００の運転を終了する。 In step S7, it is determined whether or not there is an operation request from the non-priority indoor unit. If YES, that is, if there is an operation request from a non-priority indoor unit, the process proceeds to step S8. On the other hand, in the case of NO, that is, when there is no operation request from the non-priority indoor units, in other words, when there are no operation requests from all the indoor units, the operation of the air conditioner 100 is terminated.
　ステップＳ８では、再判定処理が実行される。ここでは、所定の運転モードが実行運転モードに決定されることで、再判定処理が終了する。そして、ステップＳ９へと進む。 In step S8, redetermination processing is executed. Here, the re-determination process ends when the predetermined operation mode is determined as the execution operation mode. Then, the process proceeds to step S9.
　ステップＳ９では、優先室内機からの運転要求の有無が判断される。そして、ＹＥＳの場合、すなわち優先室内機からの運転要求がある場合には、ステップＳ５へと戻る。一方で、ＮＯの場合、すなわち優先室内機からの運転要求がない場合には、所定の場合を除き、全ての非優先室内機からの運転要求がなくなるまで、再判定処理で決定した運転モードが実行運転モードとして決定された状態が維持される。そして、全ての室内機からの運転要求がなくなると、空気調和装置１００の運転を終了する。 In step S9, it is determined whether or not there is an operation request from the priority indoor unit. If YES, that is, if there is an operation request from the priority indoor unit, the process returns to step S5. On the other hand, in the case of NO, that is, when there is no operation request from the priority indoor unit, the operation mode determined in the re-determination process is continued until there is no operation request from all the non-priority indoor units except for a predetermined case. The state determined as the execution operation mode is maintained. And if the driving | running request | requirement from all the indoor units is lost, the driving | operation of the air conditioning apparatus 100 will be complete | finished.
　（５）特徴
　（５－１）
　ここで、従来では、複数台の室内機のなかから運転モードを優先させる優先室内機を設定しておき、優先室内機の運転モードに応じて実行運転モードが決定される場合、優先室内機からの運転要求がなくなっても、優先室内機からの運転要求に応じた運転モードでの運転が継続されていた。このような場合に、優先室内機以外の室内機から該運転モードとは異なる運転モードでの運転要求がされていれば、空気調和装置全体として適当な運転モードで運転しているとはいえないことがある。すなわち、優先室内機の運転モードが、他の非優先室内機にとって最も妥当な運転モードであるとは限らない。 (5) Features (5-1)
Here, conventionally, when a priority indoor unit that prioritizes the operation mode is set from among a plurality of indoor units and the execution operation mode is determined according to the operation mode of the priority indoor unit, Even if there was no operation request, the operation in the operation mode corresponding to the operation request from the priority indoor unit was continued. In such a case, if an operation request in an operation mode different from the operation mode is requested from an indoor unit other than the priority indoor unit, it cannot be said that the entire air conditioner is operating in an appropriate operation mode. Sometimes. That is, the operation mode of the priority indoor unit is not always the most appropriate operation mode for other non-priority indoor units.
　本実施形態では、優先室内機からの運転要求がなくなった場合には、再判定処理が行われる。このため、優先室内機からの運転要求がなくなっても優先室内機の運転モードでの運転が継続される場合と比較して、適当な運転モードで空気調和装置１００を運転することができる。 In the present embodiment, when there is no operation request from the priority indoor unit, redetermination processing is performed. For this reason, the air conditioner 100 can be operated in an appropriate operation mode as compared with the case where the operation in the operation mode of the priority indoor unit is continued even when there is no operation request from the priority indoor unit.
　また、再判定処理が行われることにより、優先室内機からの運転要求がなくなったにも拘わらず、優先室内機からの運転要求に応じた運転モードをいつまでも引きずることがなく、適当な運転モードで空気調和装置１００を運転することができる。 In addition, by performing the re-determination process, the operation mode according to the operation request from the priority indoor unit is not dragged indefinitely, even though the operation request from the priority indoor unit has been lost. The air conditioner 100 can be operated.
　これによって、空気調和装置１００の運転効率を向上させることができている。 Thereby, the operation efficiency of the air conditioner 100 can be improved.
　（５－２）
　本実施形態では、設定部３７において優先室内機の設定がされており、優先室内機以外の１又は複数台の室内機から運転要求があり、かつ優先室内機からの運転要求がない場合には、第２先押し優先処理が行われる。この空気調和装置１００では、優先室内機以外の室内機については最先の運転要求に応じた運転モードでの運転が実行されるため、後から優先室内機以外の室内機から異なる運転モードでの運転要求があったとしても運転モードが切り替わらないようになっている。これにより、優先室内機以外の室内機から実行運転モードとは異なる運転モードでの運転要求がある毎に運転モードが切り替えられる場合と比較して、運転モードの切替回数を減らすことができるため、運転モードを変更する際の各部の動作回数を減らすことができている。 (5-2)
In the present embodiment, when the priority indoor unit is set in the setting unit 37, there is an operation request from one or a plurality of indoor units other than the priority indoor unit, and there is no operation request from the priority indoor unit. Then, the second pre-press priority process is performed. In this air conditioner 100, for indoor units other than the priority indoor unit, the operation in the operation mode corresponding to the earliest operation request is performed. Even if there is an operation request, the operation mode is not switched. Thereby, compared to the case where the operation mode is switched every time there is an operation request in an operation mode different from the execution operation mode from the indoor units other than the priority indoor unit, the number of switching of the operation mode can be reduced. The number of operations of each part when changing the operation mode can be reduced.
　（５－３）
　本実施形態の制御部６０は、第２先押し優先処理において、複数台の室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅのうちの優先室内機以外の全ての室内機を非優先室内機と判断する。このため、この空気調和装置１００では、第２先押し優先処理においては、再判定処理とは異なり、優先室内機以外の全ての室内機が同列に設定されている。 (5-3)
The control unit 60 of the present embodiment determines that all the indoor units other than the priority indoor units among the plurality of indoor units 20a, 20b, 20c, 20d, and 20e are non-priority indoor units in the second first-push priority process. To do. For this reason, in this air conditioning apparatus 100, in the second first-push priority processing, unlike the re-determination processing, all indoor units other than the priority indoor units are set in the same row.
　（５－４）
　本実施形態の制御部６０は、再判定処理において、予め決定されている非優先室内機の順位に従って運転要求の有無を判断し、運転要求がありかつ順位の高い非優先室内機に応じた運転モードを実行運転モードとして決定している。この空気調和装置１００では、非優先室内機の順位が予め決定されているため、再判定処理を行う毎に非優先室内機の順位付けが行われる場合と比較して、処理内容を簡易にすることができている。 (5-4)
In the re-determination process, the control unit 60 according to the present embodiment determines whether or not there is an operation request according to a predetermined order of non-priority indoor units, and operates according to a non-priority indoor unit that has an operation request and a higher order. The mode is determined as the execution operation mode. In this air conditioner 100, since the order of the non-priority indoor units is determined in advance, the processing contents are simplified as compared with the case where the ranking of the non-priority indoor units is performed each time the re-determination process is performed. Is able to.
　（５－５）
　ここで、複数台の室内機のなかから運転モードを優先させる優先室内機を設定しておき、優先室内機の運転モードに応じて実行運転モードが決定され、優先室内機からの運転要求がなくなった場合に、先行利益の観点から先押し優先で実行運転モードを決定することも考えられる。しかしながら、先押し優先処理では、原則として全ての室内機の運転が停止されなければ、その処理が終了しない。このため、先押し優先処理において実行運転モードに決定された運転モードが、実際には数日前に最初に運転要求のあった非優先室内機の運転モードであるという状況も生じ得る。このような場合、数日前に決定した実行運転モードが、現時点で最も適当な運転モードであるとは限らない。 (5-5)
Here, a priority indoor unit that prioritizes the operation mode is set from among a plurality of indoor units, the execution operation mode is determined according to the operation mode of the priority indoor unit, and there is no operation request from the priority indoor unit In such a case, it is conceivable that the execution operation mode is determined with priority given in advance from the viewpoint of the preceding profit. However, in the pre-press priority process, as a general rule, the process is not completed unless the operation of all the indoor units is stopped. For this reason, a situation may occur in which the operation mode determined as the execution operation mode in the first-press priority process is actually the operation mode of the non-priority indoor unit that is first requested to operate several days ago. In such a case, the execution operation mode determined several days ago is not necessarily the most appropriate operation mode at the present time.
　本実施形態の制御部６０は、再判定処理における非優先室内機の順位が、能力の大きい順に決定されている。この空気調和装置１００では、再判定処理において、能力の大きい非優先室内機の順に運転モードが優先されるため、空気調和装置１００全体として効率的な運転を行うことができている。 In the control unit 60 of the present embodiment, the order of the non-priority indoor units in the re-determination process is determined in descending order of capability. In the air conditioner 100, since the operation mode is given priority in the order of the non-priority indoor units having the largest capacity in the re-determination process, the air conditioner 100 as a whole can perform efficient operation.
　また、各室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅの能力の大小は、これら室内機２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅの設置される室の広さに比例していることが多い。一方で、室の広さすなわち室内機の能力に関係なく、空調の運転モードの優先をユーザが希望する室（例えば、客間など）があることがある。そこで、本実施形態では、設定部３７により客間であるＥ室に設置された第５室内機２０ｅを優先室内機に設定することができるようにしている。また、リビングであるＤ室や主寝室であるＣ室がユーザからの運転要求の大きい室であると推測されることからも、再判定処理においては、Ｄ室に設置された第４室内機２０ｄやＣ室に設置された第３室内機２０ｃの順位が、書斎であるＡ室に設置された第１室内機２０ａや子供部屋であるＢ室に設置された第２室内機２０ｂよりも高くなるように決定している。 Also, the capacity of each indoor unit 20a, 20b, 20c, 20d, 20e is often proportional to the size of the room in which these indoor units 20a, 20b, 20c, 20d, 20e are installed. On the other hand, there may be a room (for example, between guests) where the user desires to prioritize the air-conditioning operation mode regardless of the size of the room, that is, the capacity of the indoor unit. Therefore, in the present embodiment, the setting unit 37 can set the fifth indoor unit 20e installed in the E room, which is a space between customers, as the priority indoor unit. In addition, since it is presumed that the room D which is a living room and the room C which is a main bedroom are rooms that require a large driving request from the user, in the re-determination process, the fourth indoor unit 20d installed in the room D. The order of the third indoor unit 20c installed in the room C is higher than the first indoor unit 20a installed in the room A which is the study and the second indoor unit 20b installed in the room B which is the child room. Has been determined.
　（６）変形例
　（６－１）変形例Ａ
　上記実施形態では、優先室内機からの運転要求がなくなった場合に再判定処理が行われている。しかしながら、本発明に係る再判定処理の実行されるタイミングはこれに限定されない。 (6) Modification (6-1) Modification A
In the above embodiment, the redetermination process is performed when there is no operation request from the priority indoor unit. However, the timing at which the redetermination process according to the present invention is executed is not limited to this.
　ここで、先押し優先処理では、原則として全ての室内機の運転が停止されなければ、その処理が終了しない。このため、先押し優先処理において実行運転モードに決定された運転モードが、実際には数日前に最初に運転要求のあった非優先室内機の運転モードであるという状況も生じ得る。このような場合、数日前に決定した実行運転モードが、現時点で最も適当な運転モードであるとは限らない。 Here, in the first-priority priority process, as a general rule, unless all the indoor units are stopped, the process does not end. For this reason, a situation may occur in which the operation mode determined as the execution operation mode in the first-press priority process is actually the operation mode of the non-priority indoor unit that is first requested to operate several days ago. In such a case, the execution operation mode determined several days ago is not necessarily the most appropriate operation mode at the present time.
　そこで、例えば、優先室内機からの運転要求がない状態で優先室内機以外の室内機に応じた運転モードが実行運転モードに決定された時から所定時間（例えば、１２時間や２４時間等）が経過している場合に、再判定処理が行われてもよい。より詳しくは、上記実施形態の第１先押し優先処理及び／又は第２先押し優先処理において所定の運転モードが実行運転モードとして決定され、該所定の運転モードでの運転が所定時間継続した時に、実行運転モードが再判定され、その再判定結果に応じて実行運転モードが決定されてもよい。或いは、上記実施形態の再判定処理の実行されるタイミングに加えて、第１先押し優先処理及び／又は第２先押し優先処理の実行後の上記タイミングで、再判定処理が行われてもよい。すなわち、優先室内機からの運転要求がなくなった場合、及び優先室内機からの運転要求がない状態で優先室内機以外の室内機に応じた運転モードが実行運転モードとして決定された時から所定時間が経過している場合に、再判定処理が行われてもよい。 Therefore, for example, a predetermined time (for example, 12 hours, 24 hours, etc.) has elapsed from the time when the operation mode corresponding to the indoor unit other than the priority indoor unit is determined as the execution operation mode in the absence of an operation request from the priority indoor unit. If it has elapsed, redetermination processing may be performed. More specifically, when the predetermined operation mode is determined as the execution operation mode in the first pre-press priority process and / or the second pre-press priority process of the above embodiment, and the operation in the predetermined operation mode continues for a predetermined time. The execution operation mode may be re-determined, and the execution operation mode may be determined according to the re-determination result. Alternatively, the re-determination process may be performed at the timing after the execution of the first pre-press priority process and / or the second pre-press priority process in addition to the timing at which the re-determination process of the embodiment is performed. . That is, when there is no operation request from the priority indoor unit, and when there is no operation request from the priority indoor unit, the operation mode corresponding to the indoor unit other than the priority indoor unit is determined as the execution operation mode for a predetermined time. When elapses, redetermination processing may be performed.
　このように、所定のタイミングで再判定処理が実行されることで、適当な運転モードで空気調和装置１００を運転することができる。これにより、空気調和装置１００を効率よく運転することができる。 In this way, the air-conditioning apparatus 100 can be operated in an appropriate operation mode by executing the re-determination process at a predetermined timing. Thereby, the air conditioning apparatus 100 can be operated efficiently.
　（６－２）変形例Ｂ
　上記実施形態では、再判定処理における非優先室内機の順位が、非優先室内機の能力の大きい順に予め決定されている。 (6-2) Modification B
In the above embodiment, the order of the non-priority indoor units in the re-determination process is determined in advance in descending order of the capability of the non-priority indoor units.
　しかしながら、再判定処理における非優先室内機の順位は上記実施形態に限定されるものではなく、ユーザからの要求度が高いと推測される非優先室内機に応じて順位が決定されていればよい。 However, the rank of the non-priority indoor units in the re-determination process is not limited to the above-described embodiment, and the rank may be determined according to the non-priority indoor units that are estimated to be highly requested by the user. .
　例えば、該順位が、非優先室内機の要求能力（例えば、設定温度と室内温度との差等）の大きい順に決定されてもよい。すなわち、再判定処理において、運転要求のある全ての非優先室内機のうちの要求能力の最も高い非優先室内機に応じた運転モードが、実行運転モードに決定されてもよい。より詳しくは、例えば、再判定処理において、第１～第３室内機２０ａ～２０ｃからの運転要求があり、第１室内機２０ａからの要求能力が第２及び第３室内機２０ｂ，２０ｃからの要求能力よりも大きければ、第１室内機２０ａの運転要求に応じた運転モードが実行運転モードとして決定される。このように、要求能力の大きい非優先室内機の運転モードが優先されることで、空気調和装置１００全体として効率的な運転を行うことができる。 For example, the order may be determined in descending order of the required capacity of the non-priority indoor unit (for example, the difference between the set temperature and the room temperature). That is, in the re-determination process, the operation mode corresponding to the non-priority indoor unit having the highest required capacity among all the non-priority indoor units having an operation request may be determined as the execution operation mode. More specifically, for example, in the re-determination process, there is an operation request from the first to third indoor units 20a to 20c, and the required capacity from the first indoor unit 20a is that from the second and third indoor units 20b and 20c. If it is larger than the required capacity, the operation mode corresponding to the operation request of the first indoor unit 20a is determined as the execution operation mode. As described above, priority is given to the operation mode of the non-priority indoor unit having a large required capacity, so that the air conditioner 100 as a whole can perform efficient operation.
　または、運転要求のある全ての非優先室内機に応じた運転モードのうちの最も多数となる運転モードが、実行運転モードとして決定されてもよい。例えば、再判定処理において、第１～第４室内機２０ａ～２０ｄからの運転要求があり、第１～第３室内機２０ａ～２０ｃからは冷房モードの運転要求があり、第４室内機２０ｄからは暖房モードの運転要求がある場合には、多数決により、冷房モードが実行運転モードとして決定される。このように、運転要求のある非優先室内機において最も多数となる運転モードで運転が行われることで、空気調和装置１００全体として効率的な運転を行うことができる。 Alternatively, the operation mode that is the largest among the operation modes corresponding to all non-priority indoor units that have an operation request may be determined as the execution operation mode. For example, in the redetermination process, there is an operation request from the first to fourth indoor units 20a to 20d, a cooling mode operation request from the first to third indoor units 20a to 20c, and a request from the fourth indoor unit 20d. When there is an operation request for the heating mode, the cooling mode is determined as the execution operation mode by majority vote. As described above, the air conditioning apparatus 100 as a whole can perform an efficient operation by performing the operation in the operation mode that is the largest number in the non-priority indoor unit that has an operation request.
　或いは、制御部６０が優先室内機から運転要求がされる直前に実行運転モードに決定されていた運転モードを記憶する記憶部を有しており、優先室内機からの運転要求がなくなった場合に行う再判定処理において、該記憶部に記憶されている運転モードが実行運転モードに決定されてもよい。例えば、優先室内機が第５室内機２０ｅに設定されており、第５室内機２０ｅからの運転要求がある前に、第１室内機２０ａからの運転要求に応じた運転モードが実行運転モードに決定され該運転モードで運転が行われている場合であって、次いで、第５室内機２０ｅからの運転要求に応じた運転モードが実行運転モードに決定された場合に、まず、記憶部に第１室内機２０ａに応じた運転モードが記憶される。その後、第５室内機２０ｅからの運転要求がなくなり再判定処理が実行されるときに、記憶部に記憶されている第１室内機２０ａからの運転要求に応じた運転モードが、実行運転モードとして決定される。このように、記憶部に記憶されている運転モードが実行運転モードとして決定されることで、再判定処理を行う毎に優先室内機以外の室内機の動作環境を判断する処理動作が実行される場合と比較して、処理内容を簡易なものにすることができる。 Alternatively, when the control unit 60 has a storage unit that stores the operation mode determined as the execution operation mode immediately before the operation request is issued from the priority indoor unit, and the operation request from the priority indoor unit is lost. In the redetermination process to be performed, the operation mode stored in the storage unit may be determined as the execution operation mode. For example, the priority indoor unit is set to the fifth indoor unit 20e, and the operation mode according to the operation request from the first indoor unit 20a is changed to the execution operation mode before the operation request from the fifth indoor unit 20e is received. If the operation mode is determined and the operation mode is being performed, and then the operation mode corresponding to the operation request from the fifth indoor unit 20e is determined to be the execution operation mode, the storage unit first stores An operation mode corresponding to one indoor unit 20a is stored. Thereafter, when there is no operation request from the fifth indoor unit 20e and the redetermination process is executed, the operation mode corresponding to the operation request from the first indoor unit 20a stored in the storage unit is the execution operation mode. It is determined. Thus, the operation mode memorize | stored in a memory | storage part is determined as an execution operation mode, and the processing operation | movement which judges the operating environment of indoor units other than a priority indoor unit is performed whenever it performs a redetermination process. Compared to the case, the processing content can be simplified.
　本発明によれば、複数台の室内機とこれら室内機と冷媒系統を共有する室外機とを備える空気調和装置において、適当な運転モードによる運転を行うことで、運転効率を向上させることができる。 ADVANTAGE OF THE INVENTION According to this invention, in an air conditioning apparatus provided with the several indoor unit and the outdoor unit which shares a refrigerant | coolant system | strain with these indoor units, operation efficiency can be improved by operating by an appropriate operation mode. .
　　２０ａ　　第１室内機（室内機）
　　２０ｂ　　第２室内機（室内機）
　　２０ｃ　　第３室内機（室内機）
　　２０ｄ　　第４室内機（室内機）
　　２０ｅ　　第５室内機（室内機）
　　３０　　　室外機
　　３７　　　設定部
　　６０　　　制御部
　１００　　　空気調和装置 20a First indoor unit (indoor unit)
20b Second indoor unit (indoor unit)
20c 3rd indoor unit (indoor unit)
20d 4th indoor unit (indoor unit)
20e 5th indoor unit (indoor unit)
30 outdoor unit 37 setting unit 60 control unit 100 air conditioner
特開平７－２４８１４７号公報Japanese Patent Laid-Open No. 7-248147

Claims (8)

  1. 　複数台の室内機（２０ａ，２０ｂ，２０ｃ，２０ｄ，２０ｅ）と、
    　前記複数台の室内機と冷媒系統を共有する室外機（３０）と、
    　所定の運転モードを実行運転モードとして決定し、前記実行運転モードに応じて前記複数台の室内機及び前記室外機の運転を制御する制御部（６０）と、
    を備え、
    　前記制御部は、前記複数台の室内機において優先室内機として設定されている室内機から運転要求があった場合に、前記優先室内機に応じた運転モードを前記実行運転モードに決定し、
    　前記優先室内機からの運転要求がなくなった場合、或いは、前記優先室内機からの運転要求がない状態で前記優先室内機以外の室内機に応じた運転モードが前記実行運転モードとして決定された時から所定時間が経過している場合に、前記実行運転モードを再判定し前記再判定の結果に応じて前記実行運転モードを決定する再判定処理を行う、
    空気調和装置（１００）。     A plurality of indoor units (20a, 20b, 20c, 20d, 20e);
    An outdoor unit (30) sharing a refrigerant system with the plurality of indoor units;
    A control unit (60) that determines a predetermined operation mode as an execution operation mode, and controls operation of the plurality of indoor units and the outdoor unit according to the execution operation mode;
    With
    When there is an operation request from an indoor unit set as a priority indoor unit in the plurality of indoor units, the control unit determines an operation mode according to the priority indoor unit as the execution operation mode,
    When there is no operation request from the priority indoor unit, or when an operation mode corresponding to an indoor unit other than the priority indoor unit is determined as the execution operation mode in a state where there is no operation request from the priority indoor unit When the predetermined time has elapsed since, the re-determination process is performed to re-determine the execution operation mode and determine the execution operation mode according to the result of the re-determination,
    Air conditioner (100).
  2. 　前記制御部は、前記優先室内機以外の１又は複数台の室内機からの運転要求があり、かつ前記優先室内機からの運転要求がない場合には、前記複数台の室内機のうちの最初に運転要求のあった室内機に応じた運転モードを前記実行運転モードとして決定する先押し優先処理を行う、
    請求項１に記載の空気調和装置。     When there is an operation request from one or a plurality of indoor units other than the priority indoor unit and there is no operation request from the priority indoor unit, the control unit is the first of the plurality of indoor units. Performing a pre-press priority process for determining the operation mode according to the indoor unit requested to be operated as the execution operation mode,
    The air conditioning apparatus according to claim 1.
  3. 　前記複数台の室内機のうちの１台の室内機を前記優先室内機に設定することのできる設定部（３７）、を備え、
    　前記制御部は、前記先押し優先処理において、前記複数台の室内機のうちの前記優先室内機以外の全ての室内機を非優先室内機と判断する、
    請求項２に記載の空気調和装置。     A setting unit (37) capable of setting one of the plurality of indoor units as the priority indoor unit,
    The control unit determines that all indoor units other than the priority indoor unit among the plurality of indoor units are non-priority indoor units in the first-press priority processing.
    The air conditioning apparatus according to claim 2.
  4. 　前記制御部は、前記再判定処理において、予め決定されている前記非優先室内機の順位に従って運転要求の有無を判断し、運転要求がありかつ前記順位の高い前記非優先室内機に応じた運転モードを前記実行運転モードとして決定する、
    請求項３に記載の空気調和装置。     In the re-determination process, the control unit determines whether or not there is an operation request according to a predetermined order of the non-priority indoor units, and operates according to the non-priority indoor unit having an operation request and a higher order. Determining a mode as the execution operation mode,
    The air conditioning apparatus according to claim 3.
  5. 　前記順位は、前記非優先室内機の能力の大きい順に決定されている、
    請求項４に記載の空気調和装置。     The ranking is determined in descending order of the capacity of the non-priority indoor units.
    The air conditioning apparatus according to claim 4.
  6. 　前記制御部は、前記再判定処理において、運転要求のある全ての前記非優先室内機のうちの要求能力の最も高い非優先室内機に応じた運転モードを前記実行運転モードとして決定する、
    請求項３に記載の空気調和装置。     In the redetermination process, the control unit determines, as the execution operation mode, an operation mode according to a non-priority indoor unit having the highest required capacity among all the non-priority indoor units having an operation request.
    The air conditioning apparatus according to claim 3.
  7. 　前記制御部は、前記再判定処理において、運転要求のある全ての前記非優先室内機に応じた運転モードのうちの最も多数となる運転モードを前記実行運転モードとして決定する、
    請求項３に記載の空気調和装置。     In the re-determination process, the control unit determines, as the execution operation mode, an operation mode that is the largest among operation modes according to all the non-priority indoor units that have an operation request.
    The air conditioning apparatus according to claim 3.
  8. 　前記制御部は、
    　前記優先室内機から運転要求がされる直前に前記実行運転モードに決定されていた運転モードを記憶する記憶部を含み、
    　前記優先室内機からの運転要求がなくなった場合に行う前記再判定処理において、前記記憶部に記憶されている運転モードを前記実行運転モードとして決定する、
    請求項１から３のいずれか１項に記載の空気調和装置。     The controller is
    A storage unit that stores an operation mode that has been determined to be the execution operation mode immediately before an operation request is made from the priority indoor unit;
    In the re-determination process performed when there is no operation request from the priority indoor unit, the operation mode stored in the storage unit is determined as the execution operation mode,
    The air conditioning apparatus according to any one of claims 1 to 3.
PCT/JP2015/085105 2014-12-22 2015-12-15 Air-conditioning apparatus WO2016104258A1 (en)

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