WO2009142024A1 - Group control device and group control system - Google Patents

Group control device and group control system Download PDF

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Publication number
WO2009142024A1
WO2009142024A1 PCT/JP2009/002258 JP2009002258W WO2009142024A1 WO 2009142024 A1 WO2009142024 A1 WO 2009142024A1 JP 2009002258 W JP2009002258 W JP 2009002258W WO 2009142024 A1 WO2009142024 A1 WO 2009142024A1
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WO
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Prior art keywords
state
group
unit
group management
equipment
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PCT/JP2009/002258
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French (fr)
Japanese (ja)
Inventor
金子雅裕
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ダイキン工業株式会社
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Publication of WO2009142024A1 publication Critical patent/WO2009142024A1/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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers

Definitions

  • the present invention relates to a group management apparatus that manages a plurality of equipment as a group and a group management system using the group management apparatus.
  • Patent Document 1 Conventionally, in a building using a large number of equipment such as an office building and a tenant building, a large number of the equipment is managed using a single equipment management device arranged at one place in the building (Patent Document 1). (See JP-A-9-196444). In addition, by obtaining operation data from a large number of equipment and collecting it in a device management apparatus and monitoring the operating state of the large number of equipment, the necessary equipment such as repair and replacement can be grasped.
  • An object of the present invention is to provide a group management apparatus that enables efficient measures to be taken with respect to all equipment in a management area.
  • a group management device is a group management device that manages a large number of equipment installed respectively in a plurality of buildings as a plurality of groups in a single management region including a plurality of buildings, wherein operation data
  • An acquisition unit, an individual evaluation unit, and an overall evaluation unit are provided.
  • the operation data acquisition unit acquires operation data of a large number of facility devices via the device management apparatus.
  • the equipment management device is arranged for each building.
  • the equipment management device is connected to a group of a large number of equipment installed in each building, and manages a large number of the equipment belonging to the group.
  • the individual evaluation unit evaluates the state of each facility device in multiple stages based on the operation data.
  • the overall evaluation unit evaluates the state of the entire group based on the evaluation results of each facility device evaluated in multiple stages by the individual evaluation unit.
  • operation data of a large number of facility devices belonging to a group connected to the device management device is acquired via the device management device. Based on the acquired operation data, the state of each equipment is evaluated in multiple stages. The state of the entire group is evaluated based on the evaluation results of each facility device evaluated in multiple stages. This makes it possible to efficiently take necessary measures for the equipment in the management area.
  • a group management device is the group management device according to the first invention, further comprising a detection unit.
  • the detection unit detects a defective state of the equipment device based on the operation data.
  • an individual evaluation part evaluates the state of an installation apparatus in multiple steps based on the frequency with which a detection part detects a defective state.
  • the defective state of the equipment is detected based on the operation data.
  • Defective state refers to, for example, a state where an abnormality has occurred and a state where an abnormality is likely to occur, a state where the capacity of the facility equipment is reduced or is likely to decrease, and an increase in the amount of energy consumed by the facility equipment is reduced. And the like.
  • the state of the equipment is evaluated in multiple stages based on the frequency at which the defective state is detected. Thereby, the equipment which should respond
  • a group management apparatus is the group management apparatus according to the second aspect of the present invention, further comprising a measuring unit.
  • the measurement unit measures the elapsed time of the defective state detected by the detection unit. Further, the individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state that is the elapsed time of the defective state in the predetermined time.
  • the elapsed time is, for example, a cumulative time during which a defective state occurs when a defective state of the equipment is intermittently generated.
  • the elapsed time of the defective state is measured. Further, the state of the equipment is evaluated in multiple stages based on the elapsed time of the defective state in the predetermined time. As a result, it is possible to preferentially take measures against equipment that has been in a defective state for a long time.
  • a group management apparatus is the group management apparatus according to the second aspect of the present invention, further comprising a measuring unit.
  • a measurement part measures the frequency
  • the individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state, which is the number of defective states.
  • the number of defective states detected by the detection unit is measured.
  • the state of the equipment is evaluated in multiple stages based on the number of defective states. As a result, it is possible to preferentially take measures against the equipment that frequently has a defective state.
  • a group management device is the group management device according to any one of the first to fourth aspects of the present invention, wherein the overall evaluation unit obtains a representative value of the result evaluated by the individual evaluation unit as a group. Judge as a state.
  • the representative value evaluated by the individual evaluation unit is determined as the group state. That is, any one state among the evaluated state of each equipment is evaluated as a group state. As a result, it is possible to easily determine which group of equipment in the management area includes what kind of equipment.
  • the group management device is the group management device according to the fifth aspect of the present invention, wherein the representative value is a value indicating the worst state among the defective states evaluated in multiple stages.
  • the value indicating the worst state among the defective states evaluated in multiple stages is set as the representative value.
  • a group management system is a group management system for managing a large number of equipment installed in a plurality of buildings as a plurality of groups in one management region including a plurality of buildings, the device management apparatus And a group management device.
  • the equipment management device is arranged for each building and manages a large number of equipment installed in each building.
  • the group management device is connected to the device management device and manages a large number of equipment installed in the building where the device management device is arranged as a group.
  • the group management apparatus includes an operation data acquisition unit, an individual evaluation unit, and an overall evaluation unit.
  • the operation data acquisition unit acquires operation data of a large number of facility devices via the device management apparatus.
  • the individual evaluation unit evaluates the state of each facility device in multiple stages based on the operation data.
  • the overall evaluation unit evaluates the state of the entire group based on the evaluation results of each facility device evaluated in multiple stages by the individual evaluation unit.
  • operation data of a large number of equipment belonging to the group connected to the device management apparatus is acquired via the device management apparatus. Based on the acquired operation data, the state of each equipment is evaluated in multiple stages. The state of the entire group is evaluated based on the evaluation results of each facility device evaluated in multiple stages. This makes it possible to efficiently take necessary measures for the equipment in the management area.
  • the group management apparatus In the group management apparatus according to the first aspect of the present invention, necessary measures can be taken efficiently with respect to the equipment in the management area. In the group management apparatus according to the second aspect of the present invention, it is possible to specify facility equipment that should be handled with priority. In the group management apparatus according to the third aspect of the present invention, it is possible to preferentially take measures against equipment that has been in a defective state for a long time. In the group management device according to the fourth aspect of the present invention, it is possible to preferentially take countermeasures for facility equipment that is frequently defective. In the group management device according to the fifth aspect of the present invention, it is possible to easily determine which group in the management area includes what kind of equipment.
  • the group management apparatus In the group management apparatus according to the sixth aspect of the present invention, it is possible to easily determine which group in the management area should be preferentially dealt with. In the group management system according to the seventh aspect of the present invention, necessary measures can be taken efficiently for the equipment in the management area.
  • FIG. 1 shows a configuration of the group management system 100 of the present embodiment in the property 1.
  • the group management system 100 is a management system used in a property having a plurality of buildings 50a, 50b, 50c in one management area such as a university, a hospital, a factory, or the like.
  • the group management system 100 includes an air conditioner group 10a, 10b, 10c composed of a large number of air conditioners 13a, 13b, 13c, and a local controller (corresponding to a device management apparatus) 20a connected to the air conditioner groups 10a, 10b, 10c. , 20b, 20c and a group management device 30 connected to the local controllers 20a, 20b, 20c.
  • a local controller corresponding to a device management apparatus
  • a building 50a is provided with a local controller 20a and an air conditioner group 10a including a large number of air conditioners 13a, 13b, 13c,.
  • the air conditioners 13a, 13b, and 13c used in the present embodiment are multi-type air conditioners.
  • the air conditioner group 10a includes an outdoor unit 11a and a plurality of indoor units 12aa, 12ab, 12ac, 12ad,..., An outdoor unit 11b and a plurality of indoor units 12ba, 12bb, 12bc, 12bd. ,..., And an outdoor unit 11c and a plurality of indoor units 12ca, 12cb, 12cc, 12cd,.
  • the local controller 20a and the air conditioner group 10a are connected by a dedicated control line.
  • the building 50b is provided with a local controller 20b and an air conditioner group 10b composed of a large number of air conditioners, and the local controller 20b and the air conditioner group 10b are connected by a dedicated control line.
  • the building 50c is provided with a local controller 20c and an air conditioner group 10c including a large number of air conditioners.
  • the local controller 20c and the air conditioner group 10c are also connected by a dedicated control line.
  • the group management device 30 is provided in the management area, and is connected to the local controllers 20a, 20b, and 20c disposed in the buildings 50a, 50b, and 50c via an intranet line.
  • all the indoor units installed in the building are managed using the local controllers 20a, 20b, and 20c arranged in the buildings 50a, 50b, and 50c.
  • all the indoor units in the management area are managed as several groups by using the group management device 30 provided in the management area.
  • ⁇ Configuration of each part> (1) Schematic configuration of air conditioner
  • the air conditioners 13a, 13b, and 13c used in the present embodiment are multi-type air conditioners as described above.
  • air conditioner 13a which consists of the outdoor unit 11a and indoor unit 12aa, ... which were installed in the building 50a is demonstrated using FIG. 3, air conditioner 13b, 13c is also the same structure. The same applies to air conditioners (not shown) installed in the other buildings 50b and 50c.
  • the air conditioner 13a has a refrigerant circuit including a compressor, a heat exchanger, and the like (not shown).
  • Various sensors such as a current sensor 131aa, a room temperature sensor 131ab, a discharge temperature sensor 131ac, a discharge pressure sensor 131ad, and a suction pressure sensor 131ae are attached to the air conditioner 13a.
  • the current sensor 131aa detects an instantaneous current applied to the compressor coil.
  • the room temperature sensor 131ab detects the temperature of the room in which the indoor units 12aa,.
  • the discharge temperature sensor 131ac detects the discharge temperature which is the temperature of the refrigerant in the discharge pipe of the compressor included in the outdoor unit 11a.
  • the discharge pressure sensor 131ad detects the discharge pressure that is the pressure of the refrigerant in the discharge pipe of the compressor included in the outdoor unit 11a.
  • the suction pressure sensor 131ae detects a suction pressure that is a refrigerant pressure in a suction pipe of a compressor included in the air conditioner 13a.
  • the air conditioner 13a has a device communication unit 133a and a device control unit 132a.
  • the device communication unit 133a is connected to the local controller 20a through a dedicated control line.
  • the device control unit 132a controls the operation of the air conditioner 13a according to a control command transmitted from the local controller 20a.
  • the apparatus control part 132a is connected to the above-mentioned various sensors 131aa, 131ab, 131ac, 131ad, 131ae,..., And values (operation data) measured by these are set at predetermined intervals (in this embodiment). 1 minute) to the local controller 20a.
  • the device control unit 132a compares a value acquired from each of the various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... With a predetermined threshold at a predetermined interval (1 minute in the present embodiment). When an abnormality such as exceeding the threshold is detected, abnormality information indicating that fact is also transmitted as operation data to the local controller 20a.
  • the local controllers 20a, 20b, and 20c are arranged in the buildings 50a, 50b, and 50c.
  • the local controllers 20a, 20b, and 20c centrally manage a large number of air conditioners installed in the buildings 50a, 50b, and 50c in which the local controllers 20a, 20b, and 20c are arranged.
  • the local controller 20a will be described with reference to FIG. 4, but the other local controllers 20b and 20c have the same configuration.
  • the local controller 20a mainly includes a local communication unit 21, a local display unit 22, a local input unit 23, a local storage unit 24, and a local control unit 25.
  • the local communication unit 21 exchanges signals with the group management device 30.
  • the local communication unit 21 exchanges signals with the indoor units 12aa, 12ab, 12ac, 12ad,. Specifically, the local communication unit 21 transmits a control signal to the indoor units 12aa, 12ab, 12ac, 12ad,... Via the outdoor units 11a, 11b, 11c,. , 12ab, 12ac, 12ad,... Receive operation data.
  • the operation data is information on the power on / off of the indoor units 12aa, 12ab, 12ac, 12ad,.
  • the operation data includes values of various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... Acquired by the local control unit 25, which will be described later, periodically connected to the device control unit 132a. included.
  • the local display unit 22 is a display that displays a management screen (see FIG. 5) when a management program described later is executed.
  • the management screen is a screen that displays the operation data of the indoor units 12aa, 12ab, 12ac, 12ad,... Received by the local controller 20a.
  • the management screen is also an operation screen for receiving control commands for the plurality of indoor units 12aa, 12ab, 12ac, 12ad,.
  • the local input unit 23 mainly includes a touch panel and operation buttons that cover the above-described display.
  • the local storage unit 24 stores operation data received from the indoor units 12aa, 12ab, 12ac, 12ad,. Further, the local storage unit 24 has an area for storing a management program for managing the indoor units 12aa, 12ab, 12ac, 12ad,.
  • the local control unit 25 executes the management program stored in the local storage unit 24 to centrally manage the indoor units 12aa, 12ab, 12ac, 12ad,. Specifically, the local control unit 25 periodically connects to the device control unit 132a included in the air conditioners 13a, 13b, and 13c, and acquires the operation data of the indoor units 12aa, 12ab, 12ac, 12ad,. . Further, the local control unit 25 displays the operation status of the indoor units 12aa, 12ab, 12ac, 12ad,... On the local display unit 22 based on the acquired operation data (for example, operation or stop status, room temperature, operation mode, Wind direction, air volume, presence / absence of abnormality).
  • the acquired operation data for example, operation or stop status, room temperature, operation mode, Wind direction, air volume, presence / absence of abnormality.
  • the local control unit 25 controls the plurality of indoor units 12aa, 12ab, 12ac, 12ad,... (Operation / stop, cooling mode / heating mode) based on the control command received by the local display unit 22 described above. ⁇ Change the operation mode such as the ventilation mode, change the temperature, change the wind direction, change the air volume, etc.).
  • the group management device 30 is installed at a place where the system administrator stands by in the management area.
  • the system administrator refers to an administrator who manages the entire group management system 100.
  • the group management device 30 is connected to all the local controllers 20a, 20b, 20c in the management area, and centrally manages all the air conditioners 13a, 13b, 13c in the management area as the air conditioner groups 10a, 10b, 10c.
  • the group management device 30 mainly includes a group management communication unit 31, a group management display unit 32, a group management input unit 33, a group management storage unit 34, and a group management control unit 35.
  • the group management communication unit 31 is connected to the local communication unit 21 via an intranet line, and exchanges signals with the local controllers 20a, 20b, and 20c.
  • the group management display unit 32 is information that is acquired from the local controllers 20a, 20b, and 20c, and is a display that displays a result obtained by executing a group management program described later (see FIG. 7). With the screen displayed on the display, the status of all the air conditioner groups 10a, 10b, 10c arranged in all the buildings 50a, 50b, 50c in the management area can be centrally managed.
  • the group management display unit 32 is also an operation screen for receiving a control command from a system administrator for the plurality of air conditioner groups 10a, 10b, and 10c. As shown in FIG.
  • the display of the group management apparatus 30 includes an individual evaluation display area 71, an overall evaluation display area 72, a legend area 73, an operation area 74 for changing settings, And an area 75 for performing a screen operation.
  • the individual evaluation display area 71 the operation state of the indoor unit evaluated by the individual evaluation unit 35d described later is displayed. Specifically, in the individual evaluation display area 71, all the indoor units 12aa, 12ab, 12ac, 12ad,... Installed in one place selected in the overall evaluation display area 72 (for example, the first floor of the AA building). ⁇ Operation status is displayed.
  • the current operation status (symbol 71a) of the indoor units 12aa, 12ab, 12ac, 12ad,... (Stop, operation (cooling / heating / fan / others), communication abnormality) , Device abnormality and network abnormality) and the operation status (reference numeral 71b) in a certain period (for example, one month) are displayed.
  • the overall evaluation display area 72 the current operating state of the air conditioner groups 10a, 10b, and 10c evaluated by the overall evaluation unit 35e described later is displayed.
  • the current operating state of the air conditioner groups 10a, 10b, and 10c indicates what state of the indoor unit is currently included in the air conditioner groups 10a, 10b, and 10c.
  • the icons displayed in the individual evaluation display area 71 and the overall evaluation display area 72 are displayed according to the legend given in the area 73.
  • the group management input unit 33 mainly includes a touch panel and operation buttons that cover the above-described display.
  • the group management storage unit 34 has an area for storing a group management program for centrally managing the air conditioner groups 10 a, 10 b and 10 c connected to the group management device 30. Further, the group management storage unit 34 includes an operation data storage area 34a, a measured value storage area 34b, and an evaluation condition storage area 34c.
  • operation data storage area 34a operation data of the indoor units 12aa, 12ab, 12ac, 12ad,... Periodically acquired from the local controllers 20a, 20b, 20c by an operation data acquisition unit 35a described later is accumulated. Go.
  • the measurement value storage area 34b values measured by a measurement unit 35c described later are stored.
  • the evaluation condition storage area 34c stores conditions used when an individual evaluation unit 35d described later evaluates the defective state of the indoor units 12aa, 12ab, 12ac, 12ad,... (See FIG. 8A).
  • the condition weighted by the type of abnormality is memorize
  • the group management control unit 35 executes the group management program stored in the group management storage unit 34 described above, and grasps the operation status of the air conditioner groups 10a, 10b, and 10c.
  • the group management control unit 35 mainly includes an operation data acquisition unit 35a, a detection unit 35b, a measurement unit 35c, an individual evaluation unit 35d, an overall evaluation unit 35e, a collective control unit 35f, and a screen switching unit 35g. Including.
  • the operation data acquisition unit 35a acquires the operation data stored in the local storage unit 24 from each of the local controllers 20a, 20b, and 20c.
  • the detection unit 35b detects the defective state of the indoor units 12aa, 12ab, 12ac, 12ad,...
  • the measuring unit 35c measures how often the indoor units 12aa, 12ab, 12ac, 12ad,... Specifically, the accumulated time is measured as to how much the defective state has occurred in one month.
  • the value measured by the measurement unit 35c is stored in the measurement value storage area 34b.
  • the individual evaluation unit 35d evaluates the states of the indoor units 12aa, 12ab, 12ac, 12ad,... Based on the operation data. Specifically, the individual evaluation unit 35d performs the first evaluation for evaluating the current state of the indoor units 12aa, 12ab, 12ac, 12ad,... And the constant of the indoor units 12aa, 12ab, 12ac, 12ad,.
  • the second evaluation for evaluating the state in the period is performed.
  • the air conditioners 13a, 13b, and 13c are in a state of, for example, stop, operation (cooling / heating / fan / others), communication abnormality, device abnormality, and network abnormality. It is evaluated whether there is any.
  • the evaluated result is displayed in the individual evaluation display area 71 (location indicated by reference numeral 71a) using the icons listed in the legend 73 of FIG.
  • the defect state of air conditioner 13a, 13b, 13c is evaluated in multiple steps based on driving
  • the overall evaluation unit 35e evaluates the current operating state of each air conditioner group 10a, 10b, 10c. Specifically, the overall evaluation unit 35e is based on the current operating state of the indoor units 12aa, 12ab, 12ac, 12ad,... Obtained by the individual evaluation unit 35d, and the air conditioner groups 10a, 10b, 10c. Indicates whether the operating state is abnormal, operating, or stopped. At this time, if the indoor units 12aa, 12ab, 12ac, 12ad,... Included in the air conditioner groups 10a, 10b, 10c are in different operating states, the representative values are displayed as group states. Specifically, as shown in FIG. 8B, priority is provided for the display state.
  • the air conditioner groups 10a, 10b, and 10c have indoor units 12aa, 12ab, 12ac, 12ad,... Corresponding to “abnormal” and “operation”, the air conditioner groups 10a, 10b,.
  • the state 10c is displayed as abnormal (see FIG. 7, reference numeral 76).
  • the air conditioner groups 10a, 10b, and 10c have indoor units 12aa, 12ab, 12ac, 12ad,... Corresponding to “run” and “stop”, the air conditioner groups 10a, 10b,.
  • the state of 10c is displayed as “driving” (see reference numeral 77 in FIG. 7).
  • the overall evaluation unit 35e performs overall evaluation of the management area 1. That is, representative values are selected from the states of the AA building, the BB building, and the CC building included in the management area 1, and the entire state of the management area 1 is displayed (see reference numeral 79 in FIG. 7).
  • the collective control unit 35f generates a collective operation or collective stop control command for all the local controllers 20a, 20b, and 20c connected to the group management apparatus 30.
  • the screen switching unit 35g switches the screen displayed on the group management display unit 32 to another screen.
  • Another screen is a management program management screen displayed on the local display unit 22 described above.
  • the group management display unit 32 displays the result (see FIG. 7) obtained by executing the group management program.
  • a management program management screen displayed on the local controllers 20a, 20b, 20c connected to the selected air conditioner groups 10a, 10b, 10c is displayed.
  • the management program management screen displayed here is displayed on the group management display unit 32 of the group management apparatus 30 using a web browser.
  • FIG. 9A shows an outline of the flow of processing.
  • the operation data of the indoor units 12aa, 12ab, 12ac, 12ad,... Is acquired from the local controllers 20a, 20b, 20c by the operation data acquisition unit 35a.
  • step S102 evaluation (individual evaluation) of the driving
  • step S103 evaluation of each air conditioner group 10a, 10b, 10c based on operation data, and comprehensive with respect to all the indoor units 12aa, 12ab, 12ac, 12ad,. Evaluation (overall evaluation) is performed.
  • step S104 a defective state of the indoor units 12aa, 12ab, 12ac,... Is detected based on the acquired operation data. Specifically, it is determined whether or not there is an abnormality in the operation data by the detection unit 35b. When there is no abnormality in step S104, it progresses to step S105 and evaluation (1st evaluation) of an operating state is performed. That is, based on the operation data, the indoor units 12aa, 12ab, 12ac, 12ad,... Are currently stopped, operated (cooling / heating / fan / others), communication abnormality, equipment abnormality, and network abnormality.
  • step S104 it is evaluated whether it is in a state, and the evaluated result is displayed on the group management display unit 32 (see FIG. 7, reference numeral 71a).
  • step S104 if there is an abnormality in step S104, the process proceeds to step S106.
  • step 106 first, an operation state evaluation (first evaluation) is performed. That is, as described above, based on the operation data, the indoor units 12aa, 12ab, 12ac, 12ad,... Are currently stopped, operated (cooling / heating / fan / others), communication abnormality, equipment abnormality, and Which state of the network abnormality is evaluated is evaluated, and the evaluated result is displayed on the group management display unit 32 (see reference numeral 71a in FIG. 7).
  • step S107 the process proceeds to step S107, and it is determined whether or not the accumulated time measured by the measuring unit 35c satisfies a predetermined condition (second evaluation). If the predetermined condition is not satisfied in step S107, the process returns to step S104.
  • step S107 when a predetermined condition is satisfied, the process proceeds to step S108, and a mark corresponding to the satisfied condition is displayed (see reference numeral 71b in FIG. 7).
  • step S109 the presence / absence of the indoor units 12aa, 12ab, 12ac, 12ad,... Having an abnormality in each of the air conditioner groups 10a, 10b, 10c is determined.
  • step S109 if there is an abnormal indoor unit 12aa, 12ab, 12ac, 12ad,..., The process proceeds to step S110 to display an abnormality for the air conditioner groups 10a, 10b, and 10c and an abnormality for the entire management area. Is displayed (see FIG. 7, reference numerals 76 and 79).
  • step S109 the process proceeds to step S111, and the indoor units 12aa, 12ab, 12ac, 12ad,. The presence or absence of is determined.
  • step S111 when there is an indoor unit 12aa, 12ab, 12ac, 12ad,... That is in operation, the process proceeds to step S112, the operation display for the air conditioner groups 10a, 10b, 10c and the operation for the entire management area. Is displayed (see FIG. 7, reference numeral 77).
  • step S113 the process proceeds to step S113, and a stop display for the air conditioner groups 10a, 10b, 10c and the entire management area 1 Is displayed (see reference numeral 78 in FIG. 7).
  • the group management apparatus 30 includes a large number of indoor units installed in each building 50a, 50b, 50c in a property 1, such as a university, hospital, factory, etc., having a plurality of buildings 50a, 50b, 50c. 12aa, 12ab, 12ac, 12ad,... Are managed as several air conditioner groups 10a, 10b, 10c.
  • the operating state of a large number of indoor units 12aa, 12ab, 12ac, 12ad,... Is evaluated, and the defective state of a large number of indoor units 12aa, 12ab, 12ac, 12ad,.
  • each air conditioner group 10a, 10b, 10c is evaluated based on the operation state of the indoor units 12aa, 12ab, 12ac, 12ad, ... included in each air conditioner group 10a, 10b, 10c. .
  • the local controller is used to manage the operation state of a large number of indoor units in a building, but the local controller 20a can be wired only to indoor units installed in one building 50a.
  • a plurality of local controllers are installed in one management area. Then, the system administrator who manages the entire system needs to move around the site and check all the local controllers, or check with the managers arranged in the buildings 50a, 50b, and 50c. It was. However, it takes time and labor for one administrator to move around the site and check each local controller. Further, when confirmation is made with respect to the managers arranged in the buildings 50a, 50b, and 50c, the work is complicated and judgment by a plurality of managers is not preferable.
  • one system administrator comprehensively performs all indoor units 12aa, 12ab, 12ac without walking around the multiple buildings 50a, 50b, 50c located in a vast site. , 12ad,... Can be grasped.
  • the group management device 30 manages the operating states of the indoor units 12aa, 12ab, 12ac, 12ad,... As the air conditioner group 10a including them. Further, when the air conditioner group 10a includes indoor units 12aa, 12ab, 12ac, 12ad,... That are in a predetermined operation state, the air conditioner group 10a is displayed as a predetermined operation state. Therefore, for example, it is possible to easily identify whether there are indoor units 12aa, 12ab, 12ac, 12ad,... In which an abnormality has occurred in one air conditioner group 10a.
  • the group management apparatus 30 evaluates the indoor units 12aa, 12ab, 12ac, 12ad,. Therefore, the system administrator can easily determine which indoor unit 12aa, 12ab, 12ac, 12ad,... (4) Further, the group management apparatus 30 according to the present embodiment causes the group management display unit 32 to display a management screen displayed on the local controllers 20a, 20b, and 20c via the intranet. Thereby, browsing and operation of the display of each local controller 20a, 20b, 20c can be performed without going back and forth between each building 50a, 50b, 50c.
  • the group management apparatus 30 may evaluate a defect state in multiple steps also about evaluation of the air conditioner group 10a, 10b, 10c. That is, in the above-described embodiment, in the overall evaluation display area 72, the first evaluation (stop, operation, and abnormality) of the indoor units 12aa, 12ab, 12ac, 12ad,... Included in each air conditioner group 10a, 10b, 10c. ) Only in consideration, but the display may also be made in consideration of the second evaluation (whether there are indoor units 12aa, 12ab, 12ac, 12ad,... Satisfying the evaluation condition). Specifically, as shown in FIG.
  • each air conditioner group 10a, 10b, 10c includes indoor units 12aa, 12ab, 12ac, 12ad,. Is displayed (see reference numeral 101). Thereby, it is easily specified whether any of the air conditioner groups 10a, 10b, 10c includes the indoor units 12aa, 12ab, 12ac, 12ad,. Can do.
  • the system administrator can grasp each defective state.
  • FIG. 11 when the tag 202 is clicked, the screen is switched to a display screen showing the detection result of the degree of capability reduction as shown in FIG. 12.
  • a mark is given depending on the degree of degradation, and in FIG. 12, any one of the indoor units on the second floor of the BB building has a capacity of 10% or less. ”Is displayed.
  • the degree of capacity reduction of indoor units is estimated based on the elapsed time since the last filter cleaning, and it is used as a judgment material. It can be obtained by estimating the temperature, the temperature of the internal refrigerant of the indoor heat exchanger, and using it as a judgment material.
  • the group management device 30 is configured to receive information on the refrigerant temperature of the exchanger, information on the degree of opening of the indoor expansion electric valve that determines the amount of refrigerant flowing in the indoor heat exchanger, information on the indoor blowing temperature, and the like. For example, the group management device 30 can calculate the degree of capability reduction of each indoor unit 12aa, 12ab, 12ac, 12ad,.
  • the individual evaluation display area 71 displays all the indoor units 12aa, 12ab, 12ac, 12ad,... Installed in one place selected in the overall evaluation display area 72. It may be designed to display only the indoor units 12aa, 12ab, 12ac, 12ad,.
  • the result evaluated by the individual evaluation unit 35d is displayed in the individual evaluation display area 71 with a mark as shown in FIG. 8A, but is displayed in the individual evaluation display area 71 according to the evaluated result.
  • the indoor unit 12aa, 12ab, 12ac, 12ad,... Is displayed in yellow at the caution level, red at the caution level, and blinks yellow and red alternately when the warning level is reached. ..
  • the failure state may be displayed in multiple stages.
  • multistage evaluation as shown to FIG. 8A it is also possible to perform continuous multistage evaluation instead of such discrete multistage evaluation.
  • a dark color, a light color, or a continuous color (gradation) between them.
  • the higher COP is displayed in darker green
  • the lower COP is displayed in lighter gray
  • the intermediate COP value Can be displayed with gradation of those colors.
  • the measurement unit 35c measures the accumulated time per month, which is the frequency of occurrence of defective states of the indoor units 12aa, 12ab, 12ac, 12ad,..., But is measured by the measurement unit 35c.
  • the value may be the number of times per month that is the frequency of occurrence of defective states of the indoor units 12aa, 12ab, 12ac, 12ad,.
  • the group management device 30 may be connected to a remote management server installed in a service center or the like that is remote from the property 1 via the Internet or the like. Furthermore, a number of various controllers installed in a number of properties other than the property 1 may be connected to the remote management server.
  • the group management device 30 may be designed so as to be responsible for all or part of the processing performed by the local controllers 20a, 20b, and 20c. Thereby, the group management apparatus 30 can manage the indoor units 12aa, 12ab, 12ac, 12ad,... Without using the local controllers 20a, 20b, 20c.
  • the group management device 30 may manage not only the air conditioners 13a, 13b, and 13c but also other equipment such as a lighting device, a water supply / drainage device, a humidifier, an elevator, and a security device.
  • the air conditioners 13a, 13b, and 13c managed by the county management device 30 are multi-type air conditioners, but may not be multi-type air conditioners.
  • a screen as shown in FIG. 13 is displayed on the group management display unit 32.
  • FIG. 13 not only the indoor units 12aa, 12ab, 12ac, 12ad but also the lights 15aa, 15ab, 15ac, 15ad, 15ae, 15af are displayed on the first floor of the AA building. Yes.
  • the outdoor units 11a, 11b, and 11c may be managed through the management screen in the same manner as the indoor units 12aa, 12ab, 12ac, 12ad,.
  • the overall evaluation unit 35e sets the representative value as a group state, and the representative value is displayed.
  • the predetermined air conditioner can be excluded from the selection target. It is also possible. For example, by inputting an air conditioner to be excluded from the input unit 33 of the group management device 30, the air conditioner can be excluded from the representative value selection target.
  • the system manager's intention that the predetermined air conditioner will be excluded from the group representative selection target until the malfunction of the communication abnormality is repaired is displayed on the group management display unit 32. It will be reflected in.
  • the overall evaluation performed by the overall evaluation unit 35e is performed based on an average value of predetermined values of a plurality of air conditioners instead of the representative value. For example, it is conceivable to average the values of the respective air conditioners related to the device abnormality (failure) and calculate them as group evaluation values. In this case, it is also possible to set a large weighting coefficient for the air conditioners (indoor units) installed in important rooms and to reflect the failure of the air conditioners in the important rooms greatly in the evaluation value of the group. Can be taken. If a weighting coefficient is set for each air conditioner, it is possible to reflect the intention of the system administrator in the calculation of the evaluation value of the group. ⁇ Other embodiments> As mentioned above, although embodiment of this invention was described based on drawing, a specific structure is not restricted to these embodiment, It can change in the range which does not deviate from the summary of invention.
  • the present invention is useful as a group management apparatus that makes it possible to efficiently take necessary measures for all equipment in the management area.
  • 10a, 10b, 10c Air conditioner groups 11a, 11b, 11c Outdoor units 12aa, 12ab, 12ac, 12ad, ... Indoor units 13a, 13b, 13c Air conditioners 20a, 20b, 20c Local controller 30 Group management device

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Abstract

A group control device (30) controls a plurality of facility devices each located in a plurality of buildings as a plurality of groups (10a,10b,10c) in one control region which includes a plurality of buildings (50a,50b,50c). The group control device (30) is comprised of an operational data acquisition unit (35a), an individual evaluation unit (35d), and a full evaluation unit (35e). The operational data acquisition unit (35a) fetches the operational data of the plurality of facility devices through a device control apparatus, which is positioned in each building and is connected to a group composed of a plurality of facility devices installed in each building, and controls each of the plurality of facility devices belonging to the group. The individual evaluation unit (35d) evaluates the state of each facility device in multiple stages based on the operational data. The full evaluation unit (35e) evaluates the state of the entire group based on the evaluation results of the facility devices evaluated in multiple stages by the individual evaluation units.

Description

群管理装置および群管理システムGroup management device and group management system
　本発明は、複数の設備機器を群として管理する群管理装置および群管理装置を用いた群管理システムに関する。 The present invention relates to a group management apparatus that manages a plurality of equipment as a group and a group management system using the group management apparatus.
　従来、オフィスビルおよびテナントビル等のように多数の設備機器を用いる建物では、建物内の一箇所に配置された一つの機器管理装置を用いて多数の設備機器を管理している（特許文献１（特開平９―１９６４４４号公報）参照）。また、多数の設備機器から運転データを取得して機器管理装置に集めて多数の設備機器の運転状態を監視することで、修理や取替え等の必要な設備機器が把握される。 Conventionally, in a building using a large number of equipment such as an office building and a tenant building, a large number of the equipment is managed using a single equipment management device arranged at one place in the building (Patent Document 1). (See JP-A-9-196444). In addition, by obtaining operation data from a large number of equipment and collecting it in a device management apparatus and monitoring the operating state of the large number of equipment, the necessary equipment such as repair and replacement can be grasped.
　一方、病院および大学等のように一つの管理領域に複数の建物が点在しているような場合、各建物に機器管理装置が配置されるため、一つの管理領域に複数の機器管理装置が点在することになる。この場合に、点在する機器管理装置を用いて管理領域内の全ての設備機器の運転状態をそれぞれ確認し、設備機器の状態に応じた対策を適宜講じることは容易ではない。
　本発明の課題は、管理領域内の全ての設備機器に対して効率よく必要な対策を講じることを可能にする群管理装置を提供することにある。 On the other hand, when a plurality of buildings are scattered in one management area, such as hospitals and universities, a device management device is arranged in each building, so a plurality of device management devices exist in one management area. Will be scattered. In this case, it is not easy to check the operating states of all the facility devices in the management area using the scattered device management apparatuses and take appropriate measures according to the state of the facility devices.
An object of the present invention is to provide a group management apparatus that enables efficient measures to be taken with respect to all equipment in a management area.
　第１発明に係る群管理装置は、複数の建物が含まれる一の管理領域において、複数の建物にそれぞれ設置された多数の設備機器を複数の群として管理する群管理装置であって、運転データ取得部と、個別評価部と、全体評価部とを備える。運転データ取得部は、機器管理装置を介して多数の設備機器の運転データを取得する。機器管理装置は、建物ごとに配置される。また、機器管理装置は、各建物に設置された多数の設備機器からなる群に接続されて、群に属する多数の設備機器をそれぞれ管理する。個別評価部は、運転データに基づいて各設備機器の状態を多段階で評価する。全体評価部は、個別評価部によって多段階に評価された各設備機器の評価の結果に基づいて群全体の状態を評価する。
　本発明に係る群管理装置では、機器管理装置を介して、機器管理装置に接続される群に属する多数の設備機器の運転データが取得される。取得された運転データに基づいて各設備機器の状態が多段階で評価される。多段階に評価された各設備機器の評価の結果に基づいて群全体の状態が評価される。
　これにより、管理領域内の設備機器に対して効率よく必要な対策を講じることができる。 A group management device according to a first aspect of the present invention is a group management device that manages a large number of equipment installed respectively in a plurality of buildings as a plurality of groups in a single management region including a plurality of buildings, wherein operation data An acquisition unit, an individual evaluation unit, and an overall evaluation unit are provided. The operation data acquisition unit acquires operation data of a large number of facility devices via the device management apparatus. The equipment management device is arranged for each building. The equipment management device is connected to a group of a large number of equipment installed in each building, and manages a large number of the equipment belonging to the group. The individual evaluation unit evaluates the state of each facility device in multiple stages based on the operation data. The overall evaluation unit evaluates the state of the entire group based on the evaluation results of each facility device evaluated in multiple stages by the individual evaluation unit.
In the group management device according to the present invention, operation data of a large number of facility devices belonging to a group connected to the device management device is acquired via the device management device. Based on the acquired operation data, the state of each equipment is evaluated in multiple stages. The state of the entire group is evaluated based on the evaluation results of each facility device evaluated in multiple stages.
This makes it possible to efficiently take necessary measures for the equipment in the management area.
　第２発明に係る群管理装置は、第１発明に係る群管理装置であって、検知部をさらに備える。検知部は、運転データに基づいて設備機器の不良状態を検知する。また、個別評価部は、検知部が不良状態を検知する頻度に基づいて、設備機器の状態を多段階に評価する。
　本発明に係る群管理装置では、運転データに基づいて設備機器の不良状態が検知される。不良状態とは、例えば、異常が発生している状態および異常が発生しそうな状態、設備機器の能力が低下している或いは低下しそうな状態、設備機器の消費エネルギー量の増大など省エネ性が低下している状態、等である。また、不良状態が検知された頻度に基づいて設備機器の状態が多段階に評価される。
　これにより、優先して対応すべき設備機器を特定することができる。 A group management device according to a second invention is the group management device according to the first invention, further comprising a detection unit. The detection unit detects a defective state of the equipment device based on the operation data. Moreover, an individual evaluation part evaluates the state of an installation apparatus in multiple steps based on the frequency with which a detection part detects a defective state.
In the group management device according to the present invention, the defective state of the equipment is detected based on the operation data. Defective state refers to, for example, a state where an abnormality has occurred and a state where an abnormality is likely to occur, a state where the capacity of the facility equipment is reduced or is likely to decrease, and an increase in the amount of energy consumed by the facility equipment is reduced. And the like. Further, the state of the equipment is evaluated in multiple stages based on the frequency at which the defective state is detected.
Thereby, the equipment which should respond | correspond preferentially can be specified.
　第３発明に係る群管理装置は、第２発明に係る群管理装置であって、計測部をさらに備える。計測部は、検知部によって検知された不良状態の経過時間を計測する。また、個別評価部は、所定時間における不良状態の経過時間である不良状態の頻度に基づいて設備機器の状態を多段階で評価する。経過時間は、例えば、設備機器の不良状態が断続的に発生じている場合には、不良状態が生じている累計時間である。
　本発明に係る群管理装置では、不良状態の経過時間が計測される。また、所定時間における不良状態の経過時間に基づいて設備機器の状態が多段階で評価される。
　これにより、不良状態が長時間発生している設備機器に対して、優先的に対策を講じることができる。 A group management apparatus according to a third aspect of the present invention is the group management apparatus according to the second aspect of the present invention, further comprising a measuring unit. The measurement unit measures the elapsed time of the defective state detected by the detection unit. Further, the individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state that is the elapsed time of the defective state in the predetermined time. The elapsed time is, for example, a cumulative time during which a defective state occurs when a defective state of the equipment is intermittently generated.
In the group management device according to the present invention, the elapsed time of the defective state is measured. Further, the state of the equipment is evaluated in multiple stages based on the elapsed time of the defective state in the predetermined time.
As a result, it is possible to preferentially take measures against equipment that has been in a defective state for a long time.
　第４発明に係る群管理装置は、第２発明に係る群管理装置であって、計測部をさらに備える。計測部は、検知部によって検知された不良状態の回数を計測する。また、個別評価部は、不良状態の回数である不良状態の頻度に基づいて設備機器の状態を多段階で評価する。
　本発明に係る群管理装置では、検知部によって検知された不良状態の回数が計測される。また、不良状態の回数に基づいて設備機器の状態が多段階で評価される。
　これにより、不良状態が頻発している設備機器に対して、優先的に対策を講じることができる。 A group management apparatus according to a fourth aspect of the present invention is the group management apparatus according to the second aspect of the present invention, further comprising a measuring unit. A measurement part measures the frequency | count of the defect state detected by the detection part. The individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state, which is the number of defective states.
In the group management apparatus according to the present invention, the number of defective states detected by the detection unit is measured. In addition, the state of the equipment is evaluated in multiple stages based on the number of defective states.
As a result, it is possible to preferentially take measures against the equipment that frequently has a defective state.
　第５発明に係る群管理装置は、第１発明から第４発明のいずれか一つに係る群管理装置であって、全体評価部は、個別評価部によって評価された結果の代表値を群の状態として判定する。
　本発明に係る群管理装置では、個別評価部によって評価された結果の代表値が群の状態として判定される。すなわち、評価された各設備機器の状態のうち、いずれか一つの状態が群の状態として評価される。
　これにより、管理領域内のどの群にどのような状態の設備機器が含まれるかを容易に判別することができる。 A group management device according to a fifth aspect of the present invention is the group management device according to any one of the first to fourth aspects of the present invention, wherein the overall evaluation unit obtains a representative value of the result evaluated by the individual evaluation unit as a group. Judge as a state.
In the group management device according to the present invention, the representative value evaluated by the individual evaluation unit is determined as the group state. That is, any one state among the evaluated state of each equipment is evaluated as a group state.
As a result, it is possible to easily determine which group of equipment in the management area includes what kind of equipment.
　第６発明に係る群管理装置は、第５発明に係る群管理装置であって、代表値は、多段階に評価された不良状態のうち、最も悪い状態を示す値である。
　本発明に係る群管理装置では、多段階に評価された不良状態のうち、最も悪い状態を示す値が代表値とされる。
　これにより、管理領域内のいずれの群を優先的に対応すべきかを容易に決定することができる。 The group management device according to a sixth aspect of the present invention is the group management device according to the fifth aspect of the present invention, wherein the representative value is a value indicating the worst state among the defective states evaluated in multiple stages.
In the group management apparatus according to the present invention, the value indicating the worst state among the defective states evaluated in multiple stages is set as the representative value.
Thereby, it is possible to easily determine which group in the management area should be preferentially dealt with.
　第７発明に係る群管理システムは、複数の建物が含まれる一の管理領域において、複数の建物に設置された多数の設備機器を複数の群として管理する群管理システムであって、機器管理装置と、群管理装置とを備える。機器管理装置は、建物ごとに配置され、各建物に設置された多数の設備機器をそれぞれ管理する。群管理装置は、機器管理装置に接続され、機器管理装置が配置された建物内に設置された多数の設備機器を群として管理する。さらに、群管理装置は、運転データ取得部と、個別評価部と、全体評価部とを有する。運転データ取得部は、機器管理装置を介して多数の設備機器の運転データを取得する。個別評価部は、運転データに基づいて各設備機器の状態を多段階で評価する。全体評価部は、個別評価部によって多段階に評価された各設備機器の評価の結果に基づいて群全体の状態を評価する。
　本発明に係る群管理システムでは、機器管理装置を介して、機器管理装置に接続される群に属する多数の設備機器の運転データが取得される。取得された運転データに基づいて各設備機器の状態が多段階で評価される。多段階に評価された各設備機器の評価の結果に基づいて群全体の状態が評価される。
　これにより、管理領域内の設備機器に対して効率よく必要な対策を講じることができる。 A group management system according to a seventh aspect of the present invention is a group management system for managing a large number of equipment installed in a plurality of buildings as a plurality of groups in one management region including a plurality of buildings, the device management apparatus And a group management device. The equipment management device is arranged for each building and manages a large number of equipment installed in each building. The group management device is connected to the device management device and manages a large number of equipment installed in the building where the device management device is arranged as a group. Furthermore, the group management apparatus includes an operation data acquisition unit, an individual evaluation unit, and an overall evaluation unit. The operation data acquisition unit acquires operation data of a large number of facility devices via the device management apparatus. The individual evaluation unit evaluates the state of each facility device in multiple stages based on the operation data. The overall evaluation unit evaluates the state of the entire group based on the evaluation results of each facility device evaluated in multiple stages by the individual evaluation unit.
In the group management system according to the present invention, operation data of a large number of equipment belonging to the group connected to the device management apparatus is acquired via the device management apparatus. Based on the acquired operation data, the state of each equipment is evaluated in multiple stages. The state of the entire group is evaluated based on the evaluation results of each facility device evaluated in multiple stages.
This makes it possible to efficiently take necessary measures for the equipment in the management area.
　第１発明に係る群管理装置では、管理領域内の設備機器に対して効率よく必要な対策を講じることができる。
　第２発明に係る群管理装置では、優先して対応すべき設備機器を特定することができる。
　第３発明に係る群管理装置では、不良状態が長時間発生している設備機器に対して、優先的に対策を講じることができる。
　第４発明に係る群管理装置では、不良状態が頻発している設備機器について、優先的に対策を講じることができる。
　第５発明に係る群管理装置では、管理領域内のどの群にどのような状態の設備機器が含まれるかを容易に判別することができる。 In the group management apparatus according to the first aspect of the present invention, necessary measures can be taken efficiently with respect to the equipment in the management area.
In the group management apparatus according to the second aspect of the present invention, it is possible to specify facility equipment that should be handled with priority.
In the group management apparatus according to the third aspect of the present invention, it is possible to preferentially take measures against equipment that has been in a defective state for a long time.
In the group management device according to the fourth aspect of the present invention, it is possible to preferentially take countermeasures for facility equipment that is frequently defective.
In the group management device according to the fifth aspect of the present invention, it is possible to easily determine which group in the management area includes what kind of equipment.
　第６発明に係る群管理装置では、管理領域内のいずれの群を優先的に対処すべきかを容易に決定することができる。
　第７発明に係る群管理システムでは、管理領域内の設備機器に対して効率よく必要な対策を講じることができる。 In the group management apparatus according to the sixth aspect of the present invention, it is possible to easily determine which group in the management area should be preferentially dealt with.
In the group management system according to the seventh aspect of the present invention, necessary measures can be taken efficiently for the equipment in the management area.
本実施形態に係る群管理システムの全体構成を示す図である。It is a figure showing the whole group management system composition concerning this embodiment. 本実施形態に係る一つの建物に設置される空調機の構成を示す図である。It is a figure which shows the structure of the air conditioner installed in one building which concerns on this embodiment. 本実施形態に係る空調機の構成を示す概略図である。It is the schematic which shows the structure of the air conditioner which concerns on this embodiment. 本実施形態に係るローカルコントローラの構成を示す概略図である。It is the schematic which shows the structure of the local controller which concerns on this embodiment. 本実施形態に係るローカルコントローラの管理画面の例を示す図である。It is a figure which shows the example of the management screen of the local controller which concerns on this embodiment. 本実施形態に係る群管理装置の構成を示す概略図である。It is the schematic which shows the structure of the group management apparatus which concerns on this embodiment. 本実施形態に係る群管理装置の管理画面の例を示す図である。It is a figure which shows the example of the management screen of the group management apparatus which concerns on this embodiment. 本実施形態に係る群管理装置の第２評価に用いられる条件を示す図である。It is a figure which shows the conditions used for 2nd evaluation of the group management apparatus which concerns on this embodiment. 本実施形態に係る群管理装置の第１評価に用いられるマークを示す図である。It is a figure which shows the mark used for 1st evaluation of the group management apparatus which concerns on this embodiment. 本実施形態に係る群管理装置の処理の流れを示すフローである。It is a flow which shows the flow of a process of the group management apparatus which concerns on this embodiment. 本実施形態に係る群管理装置の処理の流れを示すフローである。It is a flow which shows the flow of a process of the group management apparatus which concerns on this embodiment. 本実施形態に係る群管理装置の処理の流れを示すフローである。It is a flow which shows the flow of a process of the group management apparatus which concerns on this embodiment. 本実施形態に係る変形例（１）に係る群管理装置の管理画面の例を示す図である。It is a figure which shows the example of the management screen of the group management apparatus which concerns on the modification (1) which concerns on this embodiment. 本実施形態に係る変形例（１）に係る群管理装置の管理画面の別の例を示す図である。It is a figure which shows another example of the management screen of the group management apparatus which concerns on the modification (1) which concerns on this embodiment. 本実施形態に係る変形例（１）に係る群管理装置の管理画面の別の例を示す図である。It is a figure which shows another example of the management screen of the group management apparatus which concerns on the modification (1) which concerns on this embodiment. 本実施形態に係る変形例（７）に係る群管理装置の管理画面の例を示す図である。It is a figure which shows the example of the management screen of the group management apparatus which concerns on the modification (7) which concerns on this embodiment.
　＜第１実施形態＞
　以下、本発明の第１実施形態に係る群管理システム１００について図面を用いて説明する。なお、群管理システム１００における建物、ローカルコントローラ、空調機群、および空調機群に属する空調機の数は図面に示すものに限定されない。
　〈全体構成〉
　図１は、物件１における本実施形態の群管理システム１００の構成を示す。群管理システム１００は、大学、病院、工場等のように一つの管理領域に複数の建物５０ａ，５０ｂ，５０ｃを有する物件で用いられる管理システムである。群管理システム１００には、多数の空調機１３ａ，１３ｂ，１３ｃからなる空調機群１０ａ，１０ｂ，１０ｃと、空調機群１０ａ，１０ｂ，１０ｃに接続されるローカルコントローラ（機器管理装置に相当）２０ａ，２０ｂ，２０ｃと、ローカルコントローラ２０ａ，２０ｂ，２０ｃに接続される群管理装置３０とが含まれる。 <First Embodiment>
Hereinafter, the group management system 100 according to the first embodiment of the present invention will be described with reference to the drawings. The number of buildings, local controllers, air conditioner groups, and air conditioners belonging to the air conditioner group in the group management system 100 are not limited to those shown in the drawings.
<overall structure>
FIG. 1 shows a configuration of the group management system 100 of the present embodiment in the property 1. The group management system 100 is a management system used in a property having a plurality of buildings 50a, 50b, 50c in one management area such as a university, a hospital, a factory, or the like. The group management system 100 includes an air conditioner group 10a, 10b, 10c composed of a large number of air conditioners 13a, 13b, 13c, and a local controller (corresponding to a device management apparatus) 20a connected to the air conditioner groups 10a, 10b, 10c. , 20b, 20c and a group management device 30 connected to the local controllers 20a, 20b, 20c.
　図２に示すように、建物５０ａには、ローカルコントローラ２０ａと、多数の空調機１３ａ，１３ｂ，１３ｃ，・・・からなる空調機群１０ａとが設けられている。本実施形態で用いられる空調機１３ａ，１３ｂ，１３ｃはマルチタイプの空調機である。例えば、空調機群１０ａには、室外機１１ａおよび複数の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・からなる空調機１３ａと、室外機１１ｂおよび複数の室内機１２ｂａ，１２ｂｂ，１２ｂｃ，１２ｂｄ，・・・からなる空調機１３ｂと、室外機１１ｃおよび複数の室内機１２ｃａ，１２ｃｂ，１２ｃｃ，１２ｃｄ，・・・からなる空調機１３ｃが含まれる。また、ローカルコントローラ２０ａと、空調機群１０ａとは、専用制御線で接続されている。同様に、建物５０ｂには、ローカルコントローラ２０ｂと多数の空調機からなる空調機群１０ｂとが設けられており、ローカルコントローラ２０ｂと空調機群１０ｂとは専用制御線で接続されている。さらに、建物５０ｃには、ローカルコントローラ２０ｃと多数の空調機からなる空調機群１０ｃとが設けられており、ローカルコントローラ２０ｃと空調機群１０ｃともまた専用制御線で接続されている。 As shown in FIG. 2, a building 50a is provided with a local controller 20a and an air conditioner group 10a including a large number of air conditioners 13a, 13b, 13c,. The air conditioners 13a, 13b, and 13c used in the present embodiment are multi-type air conditioners. For example, the air conditioner group 10a includes an outdoor unit 11a and a plurality of indoor units 12aa, 12ab, 12ac, 12ad,..., An outdoor unit 11b and a plurality of indoor units 12ba, 12bb, 12bc, 12bd. ,..., And an outdoor unit 11c and a plurality of indoor units 12ca, 12cb, 12cc, 12cd,. The local controller 20a and the air conditioner group 10a are connected by a dedicated control line. Similarly, the building 50b is provided with a local controller 20b and an air conditioner group 10b composed of a large number of air conditioners, and the local controller 20b and the air conditioner group 10b are connected by a dedicated control line. Furthermore, the building 50c is provided with a local controller 20c and an air conditioner group 10c including a large number of air conditioners. The local controller 20c and the air conditioner group 10c are also connected by a dedicated control line.
　群管理装置３０は、管理領域内に設けられ、イントラネット回線を介して、各建物５０ａ，５０ｂ，５０ｃに配置されたローカルコントローラ２０ａ，２０ｂ，２０ｃに接続される。
　本実施形態に係る群管理システム１００では、各建物５０ａ，５０ｂ，５０ｃに配置されたローカルコントローラ２０ａ，２０ｂ，２０ｃを用いて、建物内に設置された全ての室内機が管理される。さらに、管理領域内に設けられた群管理装置３０を用いて、管理領域内の全ての室内機がいくつかの群として管理される。
　〈各部の構成〉
　（１）空調機の概略構成
　本実施形態で用いる空調機１３ａ，１３ｂ，１３ｃは、上述したように、マルチタイプの空調機である。以下、図３を用いて、建物５０ａに設置された室外機１１ａおよび室内機１２ａａ，・・・からなる空調機１３ａについて説明するが、空調機１３ｂ，１３ｃも同様の構成である。さらに、他の建物５０ｂ，５０ｃに設置された空調機（図示せず）についても同様である。 The group management device 30 is provided in the management area, and is connected to the local controllers 20a, 20b, and 20c disposed in the buildings 50a, 50b, and 50c via an intranet line.
In the group management system 100 according to the present embodiment, all the indoor units installed in the building are managed using the local controllers 20a, 20b, and 20c arranged in the buildings 50a, 50b, and 50c. Further, all the indoor units in the management area are managed as several groups by using the group management device 30 provided in the management area.
<Configuration of each part>
(1) Schematic configuration of air conditioner The air conditioners 13a, 13b, and 13c used in the present embodiment are multi-type air conditioners as described above. Hereinafter, although the air conditioner 13a which consists of the outdoor unit 11a and indoor unit 12aa, ... which were installed in the building 50a is demonstrated using FIG. 3, air conditioner 13b, 13c is also the same structure. The same applies to air conditioners (not shown) installed in the other buildings 50b and 50c.
　空調機１３ａは、図示されない圧縮機や熱交換器等から構成される冷媒回路を有している。また、空調機１３ａには、電流センサ１３１ａａ，室温センサ１３１ａｂ，吐出温度センサ１３１ａｃ，吐出圧センサ１３１ａｄ，および吸入圧センサ１３１ａｅ等の各種センサが取り付けられている。電流センサ１３１ａａは、圧縮機のコイルに加わる瞬時電流を検知する。室温センサ１３１ａｂは、室内機１２ａａ，・・・が設置されている部屋の温度を検知する。吐出温度センサ１３１ａｃは、室外機１１ａに含まれる圧縮機の吐出管における冷媒の温度である吐出温度を検知する。吐出圧センサ１３１ａｄは、室外機１１ａに含まれる圧縮機の吐出管における冷媒の圧力である吐出圧を検知する。吸入圧センサ１３１ａｅは、空調機１３ａに含まれる圧縮機の吸入管における冷媒の圧力である吸入圧を検知する。 The air conditioner 13a has a refrigerant circuit including a compressor, a heat exchanger, and the like (not shown). Various sensors such as a current sensor 131aa, a room temperature sensor 131ab, a discharge temperature sensor 131ac, a discharge pressure sensor 131ad, and a suction pressure sensor 131ae are attached to the air conditioner 13a. The current sensor 131aa detects an instantaneous current applied to the compressor coil. The room temperature sensor 131ab detects the temperature of the room in which the indoor units 12aa,. The discharge temperature sensor 131ac detects the discharge temperature which is the temperature of the refrigerant in the discharge pipe of the compressor included in the outdoor unit 11a. The discharge pressure sensor 131ad detects the discharge pressure that is the pressure of the refrigerant in the discharge pipe of the compressor included in the outdoor unit 11a. The suction pressure sensor 131ae detects a suction pressure that is a refrigerant pressure in a suction pipe of a compressor included in the air conditioner 13a.
　さらに、空調機１３ａは、機器通信部１３３ａおよび機器制御部１３２ａを有している。機器通信部１３３ａは、ローカルコントローラ２０ａと専用制御線により接続されている。機器制御部１３２ａは、ローカルコントローラ２０ａから送信される制御命令に応じて空調機１３ａの動作を制御する。また、機器制御部１３２ａは、上述の各種センサ１３１ａａ，１３１ａｂ，１３１ａｃ，１３１ａｄ，１３１ａｅ，・・・に接続されており、これらにより計測された値（運転データ）を所定の間隔（本実施形態では１分）でローカルコントローラ２０ａに送信する。また、機器制御部１３２ａは、所定の間隔（本実施形態では１分）で各種センサ１３１ａａ，１３１ａｂ，１３１ａｃ，１３１ａｄ，１３１ａｅ，・・・から取得した値を所定の閾値と比較する等し、所定の閾値を超える等の異常を検出した場合には、その旨を示す異常情報も運転データとしてローカルコントローラ２０ａに向けて送信する。 Furthermore, the air conditioner 13a has a device communication unit 133a and a device control unit 132a. The device communication unit 133a is connected to the local controller 20a through a dedicated control line. The device control unit 132a controls the operation of the air conditioner 13a according to a control command transmitted from the local controller 20a. Moreover, the apparatus control part 132a is connected to the above-mentioned various sensors 131aa, 131ab, 131ac, 131ad, 131ae,..., And values (operation data) measured by these are set at predetermined intervals (in this embodiment). 1 minute) to the local controller 20a. Further, the device control unit 132a compares a value acquired from each of the various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... With a predetermined threshold at a predetermined interval (1 minute in the present embodiment). When an abnormality such as exceeding the threshold is detected, abnormality information indicating that fact is also transmitted as operation data to the local controller 20a.
　（２）ローカルコントローラの概略構成
　ローカルコントローラ２０ａ，２０ｂ，２０ｃは、各建物５０ａ，５０ｂ，５０ｃに配置される。また、ローカルコントローラ２０ａ，２０ｂ，２０ｃは、自己が配置された建物５０ａ，５０ｂ，５０ｃに設置された多数の空調機を集中管理する。以下、図４を用いて、ローカルコントローラ２０ａについて説明するが、他のローカルコントローラ２０ｂ，２０ｃについても同様の構成であるものとする。
　ローカルコントローラ２０ａは、主として、ローカル通信部２１、ローカル表示部２２、ローカル入力部２３、ローカル記憶部２４、およびローカル制御部２５から構成されている。
　ローカル通信部２１は、群管理装置３０との間で信号の授受を行う。また、ローカル通信部２１は、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・との間で信号の授受を行う。詳細には、ローカル通信部２１は、室外機１１ａ，１１ｂ，１１ｃ，・・・を介して、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・に対して制御信号を送信し、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・からは運転データを受信する。ここで、運転データとは、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の電源のオン・オフ、運転モード、設定温度、吸込み温度、風向等に関する情報等である。さらに、運転データには、後述するローカル制御部２５が機器制御部１３２ａに定期的に接続して取得した各種センサ１３１ａａ，１３１ａｂ，１３１ａｃ，１３１ａｄ，１３１ａｅ，・・・の値および異常に関する情報等が含まれる。 (2) Schematic configuration of local controller The local controllers 20a, 20b, and 20c are arranged in the buildings 50a, 50b, and 50c. The local controllers 20a, 20b, and 20c centrally manage a large number of air conditioners installed in the buildings 50a, 50b, and 50c in which the local controllers 20a, 20b, and 20c are arranged. Hereinafter, the local controller 20a will be described with reference to FIG. 4, but the other local controllers 20b and 20c have the same configuration.
The local controller 20a mainly includes a local communication unit 21, a local display unit 22, a local input unit 23, a local storage unit 24, and a local control unit 25.
The local communication unit 21 exchanges signals with the group management device 30. In addition, the local communication unit 21 exchanges signals with the indoor units 12aa, 12ab, 12ac, 12ad,. Specifically, the local communication unit 21 transmits a control signal to the indoor units 12aa, 12ab, 12ac, 12ad,... Via the outdoor units 11a, 11b, 11c,. , 12ab, 12ac, 12ad,... Receive operation data. Here, the operation data is information on the power on / off of the indoor units 12aa, 12ab, 12ac, 12ad,. Further, the operation data includes values of various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... Acquired by the local control unit 25, which will be described later, periodically connected to the device control unit 132a. included.
　ローカル表示部２２は、後述の管理プログラムが実行された際の管理画面（図５参照）を表示するディスプレイである。管理画面はローカルコントローラ２０ａで受け付けた室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転データを表示する画面である。また、管理画面は、複数の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・に対する制御命令を受け付けるための操作画面でもある。
　ローカル入力部２３は、主として上述のディスプレイを覆うタッチパネルおよび操作ボタンから構成されている。
　ローカル記憶部２４には、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・から受信した運転データが記憶されている。さらに、ローカル記憶部２４は、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・を管理するための管理プログラムを格納する領域を有する。 The local display unit 22 is a display that displays a management screen (see FIG. 5) when a management program described later is executed. The management screen is a screen that displays the operation data of the indoor units 12aa, 12ab, 12ac, 12ad,... Received by the local controller 20a. The management screen is also an operation screen for receiving control commands for the plurality of indoor units 12aa, 12ab, 12ac, 12ad,.
The local input unit 23 mainly includes a touch panel and operation buttons that cover the above-described display.
The local storage unit 24 stores operation data received from the indoor units 12aa, 12ab, 12ac, 12ad,. Further, the local storage unit 24 has an area for storing a management program for managing the indoor units 12aa, 12ab, 12ac, 12ad,.
　ローカル制御部２５は、ローカル記憶部２４に記憶された管理プログラムを実行して、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・を集中管理する。詳細には、ローカル制御部２５は、空調機１３ａ，１３ｂ，１３ｃに含まれる機器制御部１３２ａに定期的に接続し、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転データを取得する。さらに、ローカル制御部２５は、取得した運転データに基づいてローカル表示部２２に室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状況（例えば、運転または停止の状況、室温、運転モード、風向、風量、異常の有無等）を表示する。さらに、ローカル制御部２５は、上述のローカル表示部２２で受け付けた制御命令に基づいて、複数の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の制御（運転・停止、冷房モード・暖房モード・送風モード等の運転モード変更、温度変更、風向変更、風量変更等）を行う。 The local control unit 25 executes the management program stored in the local storage unit 24 to centrally manage the indoor units 12aa, 12ab, 12ac, 12ad,. Specifically, the local control unit 25 periodically connects to the device control unit 132a included in the air conditioners 13a, 13b, and 13c, and acquires the operation data of the indoor units 12aa, 12ab, 12ac, 12ad,. . Further, the local control unit 25 displays the operation status of the indoor units 12aa, 12ab, 12ac, 12ad,... On the local display unit 22 based on the acquired operation data (for example, operation or stop status, room temperature, operation mode, Wind direction, air volume, presence / absence of abnormality). Further, the local control unit 25 controls the plurality of indoor units 12aa, 12ab, 12ac, 12ad,... (Operation / stop, cooling mode / heating mode) based on the control command received by the local display unit 22 described above.・ Change the operation mode such as the ventilation mode, change the temperature, change the wind direction, change the air volume, etc.).
　（３）群管理装置３０の概略構成
　群管理装置３０は、管理領域内においてシステム管理者が待機する場所に一台設置されている。ここで、システム管理者とは、群管理システム１００全体を管理する管理者をいう。群管理装置３０は、管理領域内の全てのローカルコントローラ２０ａ，２０ｂ，２０ｃに接続され、管理領域内の全ての空調機１３ａ，１３ｂ，１３ｃを空調機群１０ａ，１０ｂ，１０ｃとして集中管理する。
　図６に示すように、群管理装置３０は、主として、群管理通信部３１、群管理表示部３２、群管理入力部３３、群管理記憶部３４および群管理制御部３５から構成されている。
　群管理通信部３１は、イントラネット回線を介して、ローカル通信部２１と接続され、ローカルコントローラ２０ａ，２０ｂ，２０ｃとの間で信号の授受を行う。 (3) Schematic Configuration of Group Management Device 30 One group management device 30 is installed at a place where the system administrator stands by in the management area. Here, the system administrator refers to an administrator who manages the entire group management system 100. The group management device 30 is connected to all the local controllers 20a, 20b, 20c in the management area, and centrally manages all the air conditioners 13a, 13b, 13c in the management area as the air conditioner groups 10a, 10b, 10c.
As shown in FIG. 6, the group management device 30 mainly includes a group management communication unit 31, a group management display unit 32, a group management input unit 33, a group management storage unit 34, and a group management control unit 35.
The group management communication unit 31 is connected to the local communication unit 21 via an intranet line, and exchanges signals with the local controllers 20a, 20b, and 20c.
　群管理表示部３２は、ローカルコントローラ２０ａ，２０ｂ，２０ｃから取得した情報であって、後述する群管理プログラムを実行して得られた結果を表示するディスプレイである（図７参照）。当該ディスプレイに表示される画面により、管理領域内の全ての建物５０ａ，５０ｂ，５０ｃに配置された全空調機群１０ａ，１０ｂ，１０ｃの状況を集中管理することができる。また、群管理表示部３２は、複数の空調機群１０ａ，１０ｂ，１０ｃに対するシステム管理者からの制御命令を受け付けるための操作画面でもある。
　なお、図７に示すように、群管理装置３０のディスプレイには、個別評価表示領域７１と、全体評価表示領域７２と、凡例を示す領域７３と、設定変更を行うための操作領域７４と、画面操作を行うための領域７５とが含まれる。個別評価表示領域７１には、後述する個別評価部３５ｄによって評価された室内機の運転状態が表示される。詳細には、個別評価表示領域７１には、全体評価表示領域７２で選択された一つの場所（例えば、ＡＡ棟１階）に設置される全ての室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状況が表示される。より詳細に、個別評価表示領域７１には、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の現在の運転状況（符号７１ａ）（停止、運転（冷房・暖房・送風・その他）、通信異常、機器異常、およびネットワーク異常）と、一定期間（例えば、１ヶ月間）における運転状況（符号７１ｂ）とが表示される。全体評価表示領域７２には、後述する全体評価部３５ｅによって評価された空調機群１０ａ，１０ｂ，１０ｃの現在の運転状態が表示される。ここで、空調機群１０ａ，１０ｂ，１０ｃの現在の運転状態は、空調機群１０ａ，１０ｂ，１０ｃに、現在、どのような状態の室内機が含まれているかを示す。なお、個別評価表示領域７１および全体評価表示領域７２に表示されるアイコンの態様は、領域７３に挙げられた凡例に従って表示される。 The group management display unit 32 is information that is acquired from the local controllers 20a, 20b, and 20c, and is a display that displays a result obtained by executing a group management program described later (see FIG. 7). With the screen displayed on the display, the status of all the air conditioner groups 10a, 10b, 10c arranged in all the buildings 50a, 50b, 50c in the management area can be centrally managed. The group management display unit 32 is also an operation screen for receiving a control command from a system administrator for the plurality of air conditioner groups 10a, 10b, and 10c.
As shown in FIG. 7, the display of the group management apparatus 30 includes an individual evaluation display area 71, an overall evaluation display area 72, a legend area 73, an operation area 74 for changing settings, And an area 75 for performing a screen operation. In the individual evaluation display area 71, the operation state of the indoor unit evaluated by the individual evaluation unit 35d described later is displayed. Specifically, in the individual evaluation display area 71, all the indoor units 12aa, 12ab, 12ac, 12ad,... Installed in one place selected in the overall evaluation display area 72 (for example, the first floor of the AA building).・ Operation status is displayed. More specifically, in the individual evaluation display area 71, the current operation status (symbol 71a) of the indoor units 12aa, 12ab, 12ac, 12ad,... (Stop, operation (cooling / heating / fan / others), communication abnormality) , Device abnormality and network abnormality) and the operation status (reference numeral 71b) in a certain period (for example, one month) are displayed. In the overall evaluation display area 72, the current operating state of the air conditioner groups 10a, 10b, and 10c evaluated by the overall evaluation unit 35e described later is displayed. Here, the current operating state of the air conditioner groups 10a, 10b, and 10c indicates what state of the indoor unit is currently included in the air conditioner groups 10a, 10b, and 10c. Note that the icons displayed in the individual evaluation display area 71 and the overall evaluation display area 72 are displayed according to the legend given in the area 73.
　群管理入力部３３には、主として上述のディスプレイを覆うタッチパネルおよび操作ボタンから構成されている。
　群管理記憶部３４は、群管理装置３０に接続された空調機群１０ａ，１０ｂ，１０ｃを集中管理するための群管理プログラムを格納する領域を有する。また、群管理記憶部３４には、運転データ記憶領域３４ａと、計測値記憶領域３４ｂと、評価条件記憶領域３４ｃとが含まれる。運転データ記憶領域３４ａには、後述の運転データ取得部３５ａによってローカルコントローラ２０ａ，２０ｂ，２０ｃから定期的に取得された室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転データが蓄積されていく。計測値記憶領域３４ｂには、後述する計測部３５ｃによって計測された値が記憶される。評価条件記憶領域３４ｃには、後述の個別評価部３５ｄが室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の不良状態を評価する際に用いる条件が記憶されている（図８Ａ参照）。なお、不良状態の具体的な内容に応じて評価が可能なように異常の種類によって重み付けをした条件が記憶されている。 The group management input unit 33 mainly includes a touch panel and operation buttons that cover the above-described display.
The group management storage unit 34 has an area for storing a group management program for centrally managing the air conditioner groups 10 a, 10 b and 10 c connected to the group management device 30. Further, the group management storage unit 34 includes an operation data storage area 34a, a measured value storage area 34b, and an evaluation condition storage area 34c. In the operation data storage area 34a, operation data of the indoor units 12aa, 12ab, 12ac, 12ad,... Periodically acquired from the local controllers 20a, 20b, 20c by an operation data acquisition unit 35a described later is accumulated. Go. In the measurement value storage area 34b, values measured by a measurement unit 35c described later are stored. The evaluation condition storage area 34c stores conditions used when an individual evaluation unit 35d described later evaluates the defective state of the indoor units 12aa, 12ab, 12ac, 12ad,... (See FIG. 8A). In addition, the condition weighted by the type of abnormality is memorize | stored so that evaluation can be performed according to the specific content of a defect state.
　群管理制御部３５は、上述の群管理記憶部３４に記憶された群管理プログラムを実行し、空調機群１０ａ，１０ｂ，１０ｃの運転状況を把握する。群管理制御部３５は、主として、運転データ取得部３５ａと、検知部３５ｂと、計測部３５ｃと、個別評価部３５ｄと、全体評価部３５ｅと、一括制御部３５ｆと、画面切替部３５ｇとを含む。
　運転データ取得部３５ａは、ローカル記憶部２４に記憶されている運転データを各ローカルコントローラ２０ａ，２０ｂ，２０ｃから取得する。
　検知部３５ｂは、運転データ取得部３５ａによって取得された運転データに基づいて、各空調機群１０ａ，１０ｂ，１０ｃに属する室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の不良状態を検知する。詳細には、運転データに含まれる異常情報が検知される。より詳細には、各種センサ１３１ａａ，１３１ａｂ，１３１ａｃ，１３１ａｄ，１３１ａｅ，・・・によって検知される値を定期的に閾値と比較し、検知された値が閾値よりも高い場合等、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・になんらかの異常（不良状態）があると判断されたものがあるか否かが判断される。 The group management control unit 35 executes the group management program stored in the group management storage unit 34 described above, and grasps the operation status of the air conditioner groups 10a, 10b, and 10c. The group management control unit 35 mainly includes an operation data acquisition unit 35a, a detection unit 35b, a measurement unit 35c, an individual evaluation unit 35d, an overall evaluation unit 35e, a collective control unit 35f, and a screen switching unit 35g. Including.
The operation data acquisition unit 35a acquires the operation data stored in the local storage unit 24 from each of the local controllers 20a, 20b, and 20c.
The detection unit 35b detects the defective state of the indoor units 12aa, 12ab, 12ac, 12ad,... Belonging to each of the air conditioner groups 10a, 10b, 10c based on the operation data acquired by the operation data acquisition unit 35a. . Specifically, abnormality information included in the operation data is detected. More specifically, the values detected by the various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... Are periodically compared with a threshold value, and the indoor units 12aa, It is determined whether or not there is any of 12ab, 12ac, 12ad,.
　計測部３５ｃは、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の不良状態がどの程度の頻度で発生しているかを計測する。詳細には、不良状態が１ヶ月間にどの程度生じたか、その累計時間が計測される。計測部３５ｃによって計測された値は、計測値記憶領域３４ｂに記憶される。
　個別評価部３５ｄは、運転データに基づいて、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の状態を評価する。詳細には、個別評価部３５ｄは、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の現在の状態を評価する第１評価と、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の一定期間における状態を評価する第２評価とを行う。第１評価では、運転データに基づいて、空調機１３ａ，１３ｂ，１３ｃの状態、例えば、停止、運転（冷房・暖房・送風・その他）、通信異常、機器異常、およびネットワーク異常のいずれの状態であるかが評価される。評価された結果は、図７の凡例７３に挙げられたアイコンを用いて個別評価表示領域７１（符号７１ａに示す箇所）に表示される。また、第２評価では、運転データに基づいて、空調機１３ａ，１３ｂ，１３ｃの不良状態が多段階で評価される。詳細には、上述の計測部３５ｃで計測された値が評価条件記憶領域３４ｃに記憶された条件を満たすか否かが判断され、不良状態のレベル分けを行う。例えば、図８Ａに示すように、各種センサ１３１ａａ，１３１ａｂ，１３１ａｃ，１３１ａｄ，１３１ａｅ，・・・で計測された値が閾値を上回った時間が０分以上３０分未満の場合は「正常」、３０分以上６０分未満の場合は「注意」、６０分以上１４４０分未満の場合は「要注意」、１４４０分以上の場合には「警告」と評価する。第２評価で得られた結果は、得られたレベルに応じたマークによって表される。第２評価で得られた結果は、図７に示すように、前記第１評価で得られた結果と共に、上述の個別評価表示領域７１（符号７１ｂに示す箇所）に表示される。 The measuring unit 35c measures how often the indoor units 12aa, 12ab, 12ac, 12ad,... Specifically, the accumulated time is measured as to how much the defective state has occurred in one month. The value measured by the measurement unit 35c is stored in the measurement value storage area 34b.
The individual evaluation unit 35d evaluates the states of the indoor units 12aa, 12ab, 12ac, 12ad,... Based on the operation data. Specifically, the individual evaluation unit 35d performs the first evaluation for evaluating the current state of the indoor units 12aa, 12ab, 12ac, 12ad,... And the constant of the indoor units 12aa, 12ab, 12ac, 12ad,. The second evaluation for evaluating the state in the period is performed. In the first evaluation, based on the operation data, the air conditioners 13a, 13b, and 13c are in a state of, for example, stop, operation (cooling / heating / fan / others), communication abnormality, device abnormality, and network abnormality. It is evaluated whether there is any. The evaluated result is displayed in the individual evaluation display area 71 (location indicated by reference numeral 71a) using the icons listed in the legend 73 of FIG. Moreover, in 2nd evaluation, the defect state of air conditioner 13a, 13b, 13c is evaluated in multiple steps based on driving | operation data. Specifically, it is determined whether or not the value measured by the measurement unit 35c satisfies the condition stored in the evaluation condition storage area 34c, and the level of the defective state is classified. For example, as shown in FIG. 8A, when the time when the values measured by the various sensors 131aa, 131ab, 131ac, 131ad, 131ae,... If it is between 60 minutes and 60 minutes, it is evaluated as “Caution”. If it is between 60 minutes and less than 1440 minutes, it is evaluated as “Caution”. The result obtained in the second evaluation is represented by a mark corresponding to the obtained level. As shown in FIG. 7, the result obtained in the second evaluation is displayed in the above-described individual evaluation display area 71 (location indicated by reference numeral 71 b) together with the result obtained in the first evaluation.
　全体評価部３５ｅは、現在の各空調機群１０ａ，１０ｂ，１０ｃの運転状態の評価を行う。詳細には、全体評価部３５ｅは、個別評価部３５ｄによって得られる、現在の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状態に基づいて、各空調機群１０ａ，１０ｂ，１０ｃの運転状態が、異常、運転、および停止のうちのいずれの状態であるかを示す。この時、空調機群１０ａ，１０ｂ，１０ｃに含まれる室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が異なる運転状態である場合、代表値を群の状態として表示する。詳細には、図８Ｂに示すように、表示する状態に優先順位が設けられる。従って、例えば、空調機群１０ａ，１０ｂ，１０ｃに「異常」および「運転」のそれぞれに該当する室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が存在する場合、空調機群１０ａ，１０ｂ，１０ｃの状態は異常として表示される（図７，符号７６参照）。また、例えば、空調機群１０ａ，１０ｂ，１０ｃに「運転」および「停止」のそれぞれに該当する室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が存在する場合、空調機群１０ａ，１０ｂ，１０ｃの状態は「運転」として表示される（図７，符号７７参照）。さらに、全体評価部３５ｅは、管理領域１の全体の評価を行う。すなわち、管理領域１に含まれるＡＡ棟、ＢＢ棟、およびＣＣ棟のそれぞれの状態から代表値を選択し、管理領域１の全体の状態を表示する（図７，符号７９参照）。 The overall evaluation unit 35e evaluates the current operating state of each air conditioner group 10a, 10b, 10c. Specifically, the overall evaluation unit 35e is based on the current operating state of the indoor units 12aa, 12ab, 12ac, 12ad,... Obtained by the individual evaluation unit 35d, and the air conditioner groups 10a, 10b, 10c. Indicates whether the operating state is abnormal, operating, or stopped. At this time, if the indoor units 12aa, 12ab, 12ac, 12ad,... Included in the air conditioner groups 10a, 10b, 10c are in different operating states, the representative values are displayed as group states. Specifically, as shown in FIG. 8B, priority is provided for the display state. Therefore, for example, when the air conditioner groups 10a, 10b, and 10c have indoor units 12aa, 12ab, 12ac, 12ad,... Corresponding to “abnormal” and “operation”, the air conditioner groups 10a, 10b,. The state 10c is displayed as abnormal (see FIG. 7, reference numeral 76). For example, when the air conditioner groups 10a, 10b, and 10c have indoor units 12aa, 12ab, 12ac, 12ad,... Corresponding to “run” and “stop”, the air conditioner groups 10a, 10b,. The state of 10c is displayed as “driving” (see reference numeral 77 in FIG. 7). Further, the overall evaluation unit 35e performs overall evaluation of the management area 1. That is, representative values are selected from the states of the AA building, the BB building, and the CC building included in the management area 1, and the entire state of the management area 1 is displayed (see reference numeral 79 in FIG. 7).
　一括制御部３５ｆは、群管理装置３０に接続される全てのローカルコントローラ２０ａ，２０ｂ，２０ｃに対する一括運転または一括停止の制御指令を生成する。
　画面切替部３５ｇは、群管理表示部３２に表示される画面を別の画面に切り替える。別の画面とは、上述のローカル表示部２２で表示される管理プログラムの管理画面である。群管理表示部３２には、群管理プログラムを実行して得られた結果（図７参照）が表示されるが、当該結果として表示される各空調機群１０ａ，１０ｂ，１０ｃを選択することにより、選択された空調機群１０ａ，１０ｂ，１０ｃに接続されたローカルコントローラ２０ａ，２０ｂ，２０ｃで表示される管理プログラムの管理画面（図５参照）が表示される。なお、ここで表示される管理プログラムの管理画面は、ウェブブラウザを用いて群管理装置３０の群管理表示部３２に表示される。 The collective control unit 35f generates a collective operation or collective stop control command for all the local controllers 20a, 20b, and 20c connected to the group management apparatus 30.
The screen switching unit 35g switches the screen displayed on the group management display unit 32 to another screen. Another screen is a management program management screen displayed on the local display unit 22 described above. The group management display unit 32 displays the result (see FIG. 7) obtained by executing the group management program. By selecting each of the air conditioner groups 10a, 10b, and 10c displayed as the result, Then, a management program management screen (see FIG. 5) displayed on the local controllers 20a, 20b, 20c connected to the selected air conditioner groups 10a, 10b, 10c is displayed. The management program management screen displayed here is displayed on the group management display unit 32 of the group management apparatus 30 using a web browser.
　（４）処理の流れ
　以下、図９Ａから図９Ｃを用いて、群管理装置３０における処理の流れを説明する。
　図９Ａは、処理の流れの概略を示す。群管理装置３０では、まず、ステップＳ１０１において、運転データ取得部３５ａによってローカルコントローラ２０ａ，２０ｂ，２０ｃから室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転データが取得される。その後、ステップＳ１０２に進み、運転データに基づいた各室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状態の評価（個別評価）が行われる。さらに、ステップＳ１０３に進み、運転データに基づいた各空調機群１０ａ，１０ｂ，１０ｃの評価、および管理領域１に配置された全ての室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・に対する包括的な評価（全体評価）が行われる。 (4) Process Flow Hereinafter, a process flow in the group management apparatus 30 will be described with reference to FIGS. 9A to 9C.
FIG. 9A shows an outline of the flow of processing. In the group management device 30, first, in step S101, the operation data of the indoor units 12aa, 12ab, 12ac, 12ad,... Is acquired from the local controllers 20a, 20b, 20c by the operation data acquisition unit 35a. Then, it progresses to step S102 and evaluation (individual evaluation) of the driving | running state of each indoor unit 12aa, 12ab, 12ac, 12ad, ... based on driving | operation data is performed. Furthermore, it progresses to step S103, evaluation of each air conditioner group 10a, 10b, 10c based on operation data, and comprehensive with respect to all the indoor units 12aa, 12ab, 12ac, 12ad,. Evaluation (overall evaluation) is performed.
　次に図９Ｂを用いて、上記フローにおけるステップＳ１０２の処理の流れを説明する。まず、ステップＳ１０４において、取得された運転データに基づいて室内機１２ａａ，１２ａｂ，１２ａｃ，・・・の不良状態を検知する。詳細には、検知部３５ｂによって運転データ中に異常が有るか否かが判断される。ステップＳ１０４において異常がない場合には、ステップＳ１０５に進み、運転状態の評価（第１評価）が行われる。すなわち、運転データに基づいて、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が、現在、停止、運転（冷房・暖房・送風・その他）、通信異常、機器異常、およびネットワーク異常のいずれの状態であるかが評価され、評価された結果が群管理表示部３２に表示される（図７，符号７１ａ参照）。一方、ステップＳ１０４において異常がある場合にはステップＳ１０６に進む。ステップ１０６では、まず、運転状態の評価（第１評価）が行われる。すなわち、上述したように、運転データに基づいて、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が、現在、停止、運転（冷房・暖房・送風・その他）、通信異常、機器異常、およびネットワーク異常のいずれの状態であるかが評価され、評価された結果が群管理表示部３２に表示される（図７，符号７１ａ参照）。また、計測部３５ｃによって不良状態が生じていた累計時間が計測される。不良状態の累計時間が計測されると、ステップＳ１０７に進み、計測部３５ｃによって計測された累計時間が所定の条件を満たすか否かが判断される（第２評価）。ステップＳ１０７において、所定の条件を満たさない場合にはステップＳ１０４に戻る。ステップＳ１０７において、所定の条件を満たす場合にはステップＳ１０８に進み、満たす条件に応じたマークを表示する（図７，符号７１ｂ参照）。 Next, the processing flow of step S102 in the above flow will be described with reference to FIG. 9B. First, in step S104, a defective state of the indoor units 12aa, 12ab, 12ac,... Is detected based on the acquired operation data. Specifically, it is determined whether or not there is an abnormality in the operation data by the detection unit 35b. When there is no abnormality in step S104, it progresses to step S105 and evaluation (1st evaluation) of an operating state is performed. That is, based on the operation data, the indoor units 12aa, 12ab, 12ac, 12ad,... Are currently stopped, operated (cooling / heating / fan / others), communication abnormality, equipment abnormality, and network abnormality. It is evaluated whether it is in a state, and the evaluated result is displayed on the group management display unit 32 (see FIG. 7, reference numeral 71a). On the other hand, if there is an abnormality in step S104, the process proceeds to step S106. In step 106, first, an operation state evaluation (first evaluation) is performed. That is, as described above, based on the operation data, the indoor units 12aa, 12ab, 12ac, 12ad,... Are currently stopped, operated (cooling / heating / fan / others), communication abnormality, equipment abnormality, and Which state of the network abnormality is evaluated is evaluated, and the evaluated result is displayed on the group management display unit 32 (see reference numeral 71a in FIG. 7). Further, the accumulated time during which the defective state has occurred is measured by the measuring unit 35c. When the accumulated time in the defective state is measured, the process proceeds to step S107, and it is determined whether or not the accumulated time measured by the measuring unit 35c satisfies a predetermined condition (second evaluation). If the predetermined condition is not satisfied in step S107, the process returns to step S104. In step S107, when a predetermined condition is satisfied, the process proceeds to step S108, and a mark corresponding to the satisfied condition is displayed (see reference numeral 71b in FIG. 7).
　次に、図９Ｃを用いて、上記フローにおけるステップＳ１０３の処理の流れを説明する。まず、ステップＳ１０９において、各空調機群１０ａ，１０ｂ，１０ｃに異常のある室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の有無が判断される。ステップＳ１０９において、異常のある室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・があった場合には、ステップＳ１１０に進み、空調機群１０ａ，１０ｂ，１０ｃに対する異常の表示および管理領域全体に対する異常の表示が行われる（図７，符号７６および７９参照）。一方、ステップＳ１０９において、異常のある室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・がなかった場合には、ステップＳ１１１に進み、運転中の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の有無が判断される。ステップＳ１１１において、運転中の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・があった場合には、ステップＳ１１２に進み、空調機群１０ａ，１０ｂ，１０ｃに対する運転の表示および管理領域全体に対する運転の表示が行われる（図７，符号７７参照）。一方、ステップＳ１１１において、運転中の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・がない場合には、ステップＳ１１３に進み、空調機群１０ａ，１０ｂ，１０ｃに対する停止の表示および管理領域１全体に対する停止の表示が行われる（図７，符号７８参照）。 Next, the processing flow of step S103 in the above flow will be described with reference to FIG. 9C. First, in step S109, the presence / absence of the indoor units 12aa, 12ab, 12ac, 12ad,... Having an abnormality in each of the air conditioner groups 10a, 10b, 10c is determined. In step S109, if there is an abnormal indoor unit 12aa, 12ab, 12ac, 12ad,..., The process proceeds to step S110 to display an abnormality for the air conditioner groups 10a, 10b, and 10c and an abnormality for the entire management area. Is displayed (see FIG. 7, reference numerals 76 and 79). On the other hand, if there is no abnormal indoor unit 12aa, 12ab, 12ac, 12ad,... In step S109, the process proceeds to step S111, and the indoor units 12aa, 12ab, 12ac, 12ad,. The presence or absence of is determined. In step S111, when there is an indoor unit 12aa, 12ab, 12ac, 12ad,... That is in operation, the process proceeds to step S112, the operation display for the air conditioner groups 10a, 10b, 10c and the operation for the entire management area. Is displayed (see FIG. 7, reference numeral 77). On the other hand, if there is no indoor unit 12aa, 12ab, 12ac, 12ad,... In operation in step S111, the process proceeds to step S113, and a stop display for the air conditioner groups 10a, 10b, 10c and the entire management area 1 Is displayed (see reference numeral 78 in FIG. 7).
　＜特徴＞
　（１）本実施形態に係る群管理装置３０は、複数の建物５０ａ，５０ｂ，５０ｃを有する大学、病院、工場等の物件１において、各建物５０ａ，５０ｂ，５０ｃに設置される多数の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・をいくつかの空調機群１０ａ，１０ｂ，１０ｃとして管理する。ここで、多数の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状態が評価され、さらに多数の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の不良状態が多段階で評価される。また、各空調機群１０ａ，１０ｂ，１０ｃの運転状態は、各空調機群１０ａ，１０ｂ，１０ｃに含まれる室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状態に基づいて評価される。
　これにより、一つの管理領域１に複数の建物５０ａ，５０ｂ，５０ｃが立地し、管理対象となる室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が多数に及ぶ場合にも、何らかの対応を取るべき室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・を容易に特定することができる。すなわち、従来、ローカルコントローラを用いて建物内の多数の室内機の運転状態を管理しているが、ローカルコントローラ２０ａは、一つの建物５０ａに設置された室内機に対してのみ配線することが可能であるため、一つの管理領域に複数の建物が存在するような物件では、一つの管理領域に複数のローカルコントローラが設置される。そうすると、システム全体を管理するシステム管理者は、敷地内を移動して全てのローカルコントローラをそれぞれ確認するか、各建物５０ａ，５０ｂ，５０ｃに配置された管理者に対して確認を取る必要があった。しかし、一人の管理者が敷地内を移動し各ローカルコントローラを確認する作業は時間および労力を費やす。また、各建物５０ａ，５０ｂ，５０ｃに配置された管理者に対して確認を取る場合も、その作業が煩雑であるうえ、複数の管理者による判断が介在することになり好ましくない。本実施形態における群管理装置３０を用いることにより、広大な敷地内に立地する複数の建物５０ａ，５０ｂ，５０ｃを歩き回ることなく、一人のシステム管理者が包括的に全室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状況を把握することができる。 <Features>
(1) The group management apparatus 30 according to the present embodiment includes a large number of indoor units installed in each building 50a, 50b, 50c in a property 1, such as a university, hospital, factory, etc., having a plurality of buildings 50a, 50b, 50c. 12aa, 12ab, 12ac, 12ad,... Are managed as several air conditioner groups 10a, 10b, 10c. Here, the operating state of a large number of indoor units 12aa, 12ab, 12ac, 12ad,... Is evaluated, and the defective state of a large number of indoor units 12aa, 12ab, 12ac, 12ad,. The Moreover, the operation state of each air conditioner group 10a, 10b, 10c is evaluated based on the operation state of the indoor units 12aa, 12ab, 12ac, 12ad, ... included in each air conditioner group 10a, 10b, 10c. .
As a result, when a plurality of buildings 50a, 50b, 50c are located in one management area 1 and the indoor units 12aa, 12ab, 12ac, 12ad,. It is possible to easily identify the power indoor units 12aa, 12ab, 12ac, 12ad,. That is, conventionally, the local controller is used to manage the operation state of a large number of indoor units in a building, but the local controller 20a can be wired only to indoor units installed in one building 50a. Therefore, in a property where a plurality of buildings exist in one management area, a plurality of local controllers are installed in one management area. Then, the system administrator who manages the entire system needs to move around the site and check all the local controllers, or check with the managers arranged in the buildings 50a, 50b, and 50c. It was. However, it takes time and labor for one administrator to move around the site and check each local controller. Further, when confirmation is made with respect to the managers arranged in the buildings 50a, 50b, and 50c, the work is complicated and judgment by a plurality of managers is not preferable. By using the group management device 30 in the present embodiment, one system administrator comprehensively performs all indoor units 12aa, 12ab, 12ac without walking around the multiple buildings 50a, 50b, 50c located in a vast site. , 12ad,... Can be grasped.
　（２）また、一人のシステム管理者が多数の室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状態を一度に管理する場合、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状態を一台一台確認する作業は多大な時間と労力を要することになる。しかし、本実施形態に係る群管理装置３０は、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の運転状態を、それらが含まれる空調機群１０ａとして管理する。さらに、空調機群１０ａに、所定の運転状態である室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が含まれている場合、空調機群１０ａを所定の運転状態として表示する。したがって、例えば、一つの空調機群１０ａに異常が発生している室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が存在するか否かを容易に特定することができる。 (2) When one system administrator manages the operation state of a large number of indoor units 12aa, 12ab, 12ac, 12ad,... At a time, the indoor units 12aa, 12ab, 12ac, 12ad,. The operation of checking the operation state one by one requires a lot of time and labor. However, the group management device 30 according to the present embodiment manages the operating states of the indoor units 12aa, 12ab, 12ac, 12ad,... As the air conditioner group 10a including them. Further, when the air conditioner group 10a includes indoor units 12aa, 12ab, 12ac, 12ad,... That are in a predetermined operation state, the air conditioner group 10a is displayed as a predetermined operation state. Therefore, for example, it is possible to easily identify whether there are indoor units 12aa, 12ab, 12ac, 12ad,... In which an abnormality has occurred in one air conditioner group 10a.
　（３）さらに、本実施形態に係る群管理装置３０は、過去に不良状態が生じた室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・を多段階で評価する。したがって、システム管理者は、いずれの室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・に対して優先的に対策を講ずるべきかを容易に判断することができる。
　（４）また、本実施形態に係る群管理装置３０は、イントラネットを介してローカルコントローラ２０ａ，２０ｂ，２０ｃで表示される管理画面を群管理表示部３２に表示させる。これにより、各建物５０ａ，５０ｂ，５０ｃを行き来することなく、各ローカルコントローラ２０ａ，２０ｂ，２０ｃのディスプレイの閲覧および操作を行うことができる。
　＜変形例＞
　（１）
　上記実施形態において、群管理装置３０は、空調機群１０ａ，１０ｂ，１０ｃの評価についても、不良状態を多段階で評価してもよい。すなわち、上記実施形態では、全体評価表示領域７２では、各空調機群１０ａ，１０ｂ，１０ｃに含まれる室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の第１評価（停止、運転、および異常）のみを考慮した表示がなされていたが、第２評価（評価条件を満たす室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が有るか否か）も考慮した表示がなされても良い。具体的には、図１０に示すように、各空調機群１０ａ，１０ｂ，１０ｃに不良状態が所定の条件を満たす室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が含まれるか否かが表示される（符号１０１参照）。これにより、いずれの空調機群１０ａ，１０ｂ，１０ｃに長期に渡って不良状態が発生している室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が含まれるか否かを容易に特定することができる。 (3) Furthermore, the group management apparatus 30 according to the present embodiment evaluates the indoor units 12aa, 12ab, 12ac, 12ad,. Therefore, the system administrator can easily determine which indoor unit 12aa, 12ab, 12ac, 12ad,...
(4) Further, the group management apparatus 30 according to the present embodiment causes the group management display unit 32 to display a management screen displayed on the local controllers 20a, 20b, and 20c via the intranet. Thereby, browsing and operation of the display of each local controller 20a, 20b, 20c can be performed without going back and forth between each building 50a, 50b, 50c.
<Modification>
(1)
In the said embodiment, the group management apparatus 30 may evaluate a defect state in multiple steps also about evaluation of the air conditioner group 10a, 10b, 10c. That is, in the above-described embodiment, in the overall evaluation display area 72, the first evaluation (stop, operation, and abnormality) of the indoor units 12aa, 12ab, 12ac, 12ad,... Included in each air conditioner group 10a, 10b, 10c. ) Only in consideration, but the display may also be made in consideration of the second evaluation (whether there are indoor units 12aa, 12ab, 12ac, 12ad,... Satisfying the evaluation condition). Specifically, as shown in FIG. 10, whether or not each air conditioner group 10a, 10b, 10c includes indoor units 12aa, 12ab, 12ac, 12ad,. Is displayed (see reference numeral 101). Thereby, it is easily specified whether any of the air conditioner groups 10a, 10b, 10c includes the indoor units 12aa, 12ab, 12ac, 12ad,. Can do.
　また、上記実施形態においては、不良状態を検知することの具体例として、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・になんらかの異常があるか否かの判断を行うことを挙げているが、これは一例に過ぎない。例えば、通信異常、機器異常、ネットワーク異常などの異常の検知だけではなく、ＣＯＰなどの空調機の能力に関する低下検知や、消費電力量などの省エネに関する省エネ度低下検知なども、不良状態の検知として扱うことができる。図１１に示すように、上記実施形態の異常の「監視・制御」の表示と、「能力低下度」の表示と、「省エネ度」の表示とを、タグ２０１，２０２，２０３をクリックすることによって切替可能にしておけば、それぞれの不良状態についてシステム管理者が把握できるようになる。図１１において、タグ２０２をクリックすると、図１２に示すような能力低下度の検知結果を示す表示画面に切り替わる。室内熱交換器や室内フィルタが汚れて能力が低下している室内機については、その低下度合いによってマークが付き、図１２ではＢＢ棟の２階にあるいずれかの室内機が「能力１０％以下」に陥っていることが表示されている。 In the above embodiment, as a specific example of detecting a defective state, it is determined whether or not there is any abnormality in the indoor units 12aa, 12ab, 12ac, 12ad,. This is just an example. For example, not only detection of abnormalities such as communication abnormalities, equipment abnormalities, network abnormalities, etc., but also detection of deterioration related to the capacity of air conditioners such as COPs, detection of energy savings related to energy saving such as power consumption, etc. Can be handled. As shown in FIG. 11, click on the tags 201, 202, and 203 for the “monitoring / control” display of the abnormality, the “capacity reduction degree” display, and the “energy saving degree” display of the above embodiment. If the switching is made possible by this, the system administrator can grasp each defective state. In FIG. 11, when the tag 202 is clicked, the screen is switched to a display screen showing the detection result of the degree of capability reduction as shown in FIG. 12. For indoor units whose capacity is degraded due to dirty indoor heat exchangers and indoor filters, a mark is given depending on the degree of degradation, and in FIG. 12, any one of the indoor units on the second floor of the BB building has a capacity of 10% or less. ”Is displayed.
　なお、室内機の能力低下の度合いは、室内フィルタの汚れを最近のフィルタ清掃時からの経過時間によって推定し、それを判断材料に使ったり、室内熱交換器の汚れを室内吸い込み温度、室内吹き出し温度、室内熱交換器の内部冷媒温度などから推定し、それを判断材料に使ったりして、求めることが可能である。例えば、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・から、電源のオン・オフ、運転モード、設定温度、吸込み温度、風向等に関する情報に加え、フィルタ清掃後の経過時間の情報、室内熱交換器の冷媒温度の情報、室内熱交換器に流れる冷媒量を決めることになる室内膨張電動弁の開度の情報、室内吹き出し温度の情報、などを群管理装置３０が受信するように構成すれば、群管理装置３０が各室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の能力低下の度合いを演算できるようになる。 The degree of capacity reduction of indoor units is estimated based on the elapsed time since the last filter cleaning, and it is used as a judgment material. It can be obtained by estimating the temperature, the temperature of the internal refrigerant of the indoor heat exchanger, and using it as a judgment material. For example, from indoor units 12aa, 12ab, 12ac, 12ad,..., In addition to information on power on / off, operation mode, set temperature, suction temperature, wind direction, etc., information on elapsed time after filter cleaning, indoor heat The group management device 30 is configured to receive information on the refrigerant temperature of the exchanger, information on the degree of opening of the indoor expansion electric valve that determines the amount of refrigerant flowing in the indoor heat exchanger, information on the indoor blowing temperature, and the like. For example, the group management device 30 can calculate the degree of capability reduction of each indoor unit 12aa, 12ab, 12ac, 12ad,.
　（２）
　上記実施形態では、個別評価表示領域７１には、全体評価表示領域７２で選択された一つ場所に設置された室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・が全て表示されていたが、何らかの異常が発生している室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・のみ表示されるように設計されてもよい。
　（３）
　上記実施形態では、個別評価部３５ｄによって評価された結果が図８Ａに示したようなマークで個別評価表示領域７１に表示されたが、評価された結果に応じて、個別評価表示領域７１に表示される室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・のアイコンの色を変化させても良い。例えば、注意レベルではアイコンを黄色にし、要注意レベルではアイコンを赤色にし、警告レベルに達すると黄色と赤色とが交互に点滅するようにすることで、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の不良状態が多段階で表示されてもよい。 (2)
In the above embodiment, the individual evaluation display area 71 displays all the indoor units 12aa, 12ab, 12ac, 12ad,... Installed in one place selected in the overall evaluation display area 72. It may be designed to display only the indoor units 12aa, 12ab, 12ac, 12ad,.
(3)
In the above embodiment, the result evaluated by the individual evaluation unit 35d is displayed in the individual evaluation display area 71 with a mark as shown in FIG. 8A, but is displayed in the individual evaluation display area 71 according to the evaluated result. The icons of the indoor units 12aa, 12ab, 12ac, 12ad,. For example, the indoor unit 12aa, 12ab, 12ac, 12ad,... Is displayed in yellow at the caution level, red at the caution level, and blinks yellow and red alternately when the warning level is reached. .. The failure state may be displayed in multiple stages.
　また、上記実施形態では、図８Ａに示したような多段階評価を行っているが、このような離散的な多段階評価ではなく、連続的な多段階評価を行うことも可能である。この場合、色を変化させ、濃い色、薄い色、それらの中間の連続的な色（グラデーション）を用いることで、評価を表示させることが考えられる。例えば、上述のＣＯＰなどの空調機の能力に関する低下検知を、不良状態の検知として扱う場合、ＣＯＰが高いほど濃い緑色で表示し、ＣＯＰが低いほど薄い灰色で表示し、中間的なＣＯＰの値はそれらの色彩のグラデーションで表示することができる。
　（４）
　上記実施形態では、計測部３５ｃによって、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の不良状態の発生頻度である一ヶ月あたりの累計時間が計測されたが、計測部３５ｃによって計測された値が、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・の不良状態の発生頻度である一ヶ月あたりの回数であっても良い。この場合、連続して発生する異常を重複して計測しないように、先に検知された異常から所定時間（例えば、３０分）経過した後検知される異常が計測されるように設計することが望ましい。 Moreover, in the said embodiment, although multistage evaluation as shown to FIG. 8A is performed, it is also possible to perform continuous multistage evaluation instead of such discrete multistage evaluation. In this case, it is conceivable to display the evaluation by changing the color and using a dark color, a light color, or a continuous color (gradation) between them. For example, in the case where the deterioration detection related to the capacity of an air conditioner such as the above-mentioned COP is handled as detection of a defective state, the higher COP is displayed in darker green, the lower COP is displayed in lighter gray, and the intermediate COP value Can be displayed with gradation of those colors.
(4)
In the above embodiment, the measurement unit 35c measures the accumulated time per month, which is the frequency of occurrence of defective states of the indoor units 12aa, 12ab, 12ac, 12ad,..., But is measured by the measurement unit 35c. The value may be the number of times per month that is the frequency of occurrence of defective states of the indoor units 12aa, 12ab, 12ac, 12ad,. In this case, it is possible to design so as to measure an abnormality detected after a predetermined time (for example, 30 minutes) has elapsed from the abnormality detected in advance so as not to repeatedly measure the abnormality that continuously occurs. desirable.
　（５）
　上記実施形態において、群管理装置３０は、インターネット等を介して、物件１の遠隔にあるサービスセンター等に設置されている遠隔管理サーバに接続されていてもよい。さらに、当該遠隔管理サーバには、物件１以外の多数の物件に設置される多数の各種コントローラが接続されるようになっていてもよい。
　（６）
　上記実施形態において、群管理装置３０は、ローカルコントローラ２０ａ，２０ｂ，２０ｃによる処理の全部又は一部を担うように設計されていてもよい。これにより、群管理装置３０は、ローカルコントローラ２０ａ、２０ｂ，２０ｃを介さずに室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・を管理することができる。 (5)
In the above embodiment, the group management device 30 may be connected to a remote management server installed in a service center or the like that is remote from the property 1 via the Internet or the like. Furthermore, a number of various controllers installed in a number of properties other than the property 1 may be connected to the remote management server.
(6)
In the embodiment described above, the group management device 30 may be designed so as to be responsible for all or part of the processing performed by the local controllers 20a, 20b, and 20c. Thereby, the group management apparatus 30 can manage the indoor units 12aa, 12ab, 12ac, 12ad,... Without using the local controllers 20a, 20b, 20c.
　（７）
　上記実施形態において、群管理装置３０は、空調機１３ａ，１３ｂ，１３ｃのみならず、その他の設備機器、例えば、照明装置、給排水装置、加湿器、昇降機、防犯装置等を管理してもよい。また、郡管理装置３０で管理された空調機１３ａ，１３ｂ，１３ｃは、マルチタイプの空調機であったが、マルチタイプの空調機でなくてもよい。
　例えば、空調機に加え、照明機器も同時に監視する場合、図１３に示すような画面が群管理表示部３２に表示されることになる。図１３では、ＡＡ棟１階について、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄだけではなく、照明１５ａａ，１５ａｂ，１５ａｃ，１５ａｄ，１５ａｅ，１５ａｆも表示され、それぞれ停止か運転かによって表示態様が異なっている。 (7)
In the above embodiment, the group management device 30 may manage not only the air conditioners 13a, 13b, and 13c but also other equipment such as a lighting device, a water supply / drainage device, a humidifier, an elevator, and a security device. In addition, the air conditioners 13a, 13b, and 13c managed by the county management device 30 are multi-type air conditioners, but may not be multi-type air conditioners.
For example, when the lighting equipment is monitored simultaneously with the air conditioner, a screen as shown in FIG. 13 is displayed on the group management display unit 32. In FIG. 13, not only the indoor units 12aa, 12ab, 12ac, 12ad but also the lights 15aa, 15ab, 15ac, 15ad, 15ae, 15af are displayed on the first floor of the AA building. Yes.
　（８）
　上記実施形態において、管理画面を介して、室内機１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・と同様に、室外機１１ａ，１１ｂ，１１ｃも管理できるようになっていてもよい。
　（９）
　上記実施形態においては、全体評価部３５ｅが代表値を群の状態とし、その代表値が表示されているが、この代表値の選出において、所定の空調機を選出対象から外すことを可能にすることも考えられる。例えば、群管理装置３０の入力部３３からの除外する空調機を入力することによって、その空調機が代表値選出の対象から外れるようにすることができる。このように構成した場合、例えば、通信異常の故障の修理があるまでは所定の空調機については群の代表値選出の対象から外すというシステム管理者の意図が、群管理表示部３２での表示に反映されるようになる。 (8)
In the above embodiment, the outdoor units 11a, 11b, and 11c may be managed through the management screen in the same manner as the indoor units 12aa, 12ab, 12ac, 12ad,.
(9)
In the above embodiment, the overall evaluation unit 35e sets the representative value as a group state, and the representative value is displayed. In selecting the representative value, the predetermined air conditioner can be excluded from the selection target. It is also possible. For example, by inputting an air conditioner to be excluded from the input unit 33 of the group management device 30, the air conditioner can be excluded from the representative value selection target. When configured in this way, for example, the system manager's intention that the predetermined air conditioner will be excluded from the group representative selection target until the malfunction of the communication abnormality is repaired is displayed on the group management display unit 32. It will be reflected in.
　また、全体評価部３５ｅによる全体評価を、代表値ではなく、複数の空調機の所定の値の平均値によって為すことも考えられる。例えば、機器異常（故障）に関する各空調機の値を平均し、それを群の評価値として演算することが考えられる。この場合、さらに、重要な部屋に設置されている空調機（室内機）については重み付け係数を大きく設定しておき、重要な部屋の空調機の故障は群の評価値に大きく反映させるという方法も採ることができる。各空調機に対して重み付け係数を設定しておけば、群の評価値の演算においてシステム管理者の意図を反映させることも可能である。
　＜他の実施形態＞
　以上、本発明の実施形態について図面に基づいて説明したが、具体的な構成はこれらの実施形態に限られるものではなく、発明の要旨を逸脱しない範囲で変更可能である。 It is also conceivable that the overall evaluation performed by the overall evaluation unit 35e is performed based on an average value of predetermined values of a plurality of air conditioners instead of the representative value. For example, it is conceivable to average the values of the respective air conditioners related to the device abnormality (failure) and calculate them as group evaluation values. In this case, it is also possible to set a large weighting coefficient for the air conditioners (indoor units) installed in important rooms and to reflect the failure of the air conditioners in the important rooms greatly in the evaluation value of the group. Can be taken. If a weighting coefficient is set for each air conditioner, it is possible to reflect the intention of the system administrator in the calculation of the evaluation value of the group.
<Other embodiments>
As mentioned above, although embodiment of this invention was described based on drawing, a specific structure is not restricted to these embodiment, It can change in the range which does not deviate from the summary of invention.
　本発明は、管理領域内の全ての設備機器に対して効率よく必要な対策を講じることを可能にする群管理装置して有用である。 The present invention is useful as a group management apparatus that makes it possible to efficiently take necessary measures for all equipment in the management area.
１０ａ，１０ｂ，１０ｃ　　空調機群
１１ａ，１１ｂ，１１ｃ　　室外機
１２ａａ，１２ａｂ，１２ａｃ，１２ａｄ，・・・　　室内機
１３ａ，１３ｂ，１３ｃ　　空調機
２０ａ，２０ｂ，２０ｃ　　ローカルコントローラ
３０　　群管理装置 10a, 10b, 10c Air conditioner groups 11a, 11b, 11c Outdoor units 12aa, 12ab, 12ac, 12ad, ... Indoor units 13a, 13b, 13c Air conditioners 20a, 20b, 20c Local controller 30 Group management device
特開平９―１９６４４４号公報JP-A-9-196444

Claims (7)

  1. 　複数の建物（５０ａ，５０ｂ，５０ｃ）が含まれる一の管理領域において、前記複数の建物にそれぞれ設置された多数の設備機器を複数の群（１０ａ，１０ｂ，１０ｃ）として管理する群管理装置（３０）であって、
    　建物ごとに配置され、各建物に設置された前記多数の設備機器からなる群に接続されて、前記群に属する多数の設備機器をそれぞれ管理する機器管理装置（２０ａ，２０ｂ，２０ｃ）、を介して前記多数の設備機器の運転データを取得する運転データ取得部（３５ａ）と、
    　前記運転データに基づいて各設備機器の状態を多段階で評価する個別評価部（３５ｄ）と、
    　前記個別評価部によって多段階で評価された前記各設備機器の評価の結果に基づいて群全体の状態を評価する全体評価部（３５ｅ）と、
    を備える群管理装置。     In one management area including a plurality of buildings (50a, 50b, 50c), a group management device (10a, 10b, 10c) for managing a large number of equipment devices respectively installed in the plurality of buildings as a plurality of groups (10a, 10b, 10c) 30),
    Via a device management device (20a, 20b, 20c) that is arranged for each building and is connected to the group of the large number of equipment installed in each building and manages each of the large number of the equipment belonging to the group. An operation data acquisition unit (35a) for acquiring operation data of the plurality of facility devices;
    An individual evaluation unit (35d) that evaluates the state of each facility device in multiple stages based on the operation data;
    An overall evaluation unit (35e) for evaluating the state of the entire group based on the results of the evaluation of each facility device evaluated in multiple stages by the individual evaluation unit;
    A group management device comprising:
  2. 　前記運転データに基づいて前記設備機器の不良状態を検知する検知部（３５ｂ）をさらに備え、
    　前記個別評価部は、前記検知部が前記不良状態を検知する頻度に基づいて、前記設備機器の状態を多段階で評価する、
    請求項１に記載の群管理装置。     A detection unit (35b) for detecting a failure state of the equipment based on the operation data;
    The individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency at which the detection unit detects the defective state.
    The group management apparatus according to claim 1.
  3. 　前記検知部によって検知された前記不良状態の経過時間を計測する計測部（３５ｃ）をさらに備え、
    　前記個別評価部は、所定時間における前記不良状態の経過時間である前記不良状態の頻度に基づいて前記設備機器の状態を多段階で評価する、
    請求項２に記載の群管理装置。     A measuring unit (35c) for measuring an elapsed time of the defective state detected by the detecting unit;
    The individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state, which is an elapsed time of the defective state in a predetermined time.
    The group management apparatus according to claim 2.
  4. 　前記検知部によって検知された前記不良状態の回数を計測する計測部（３５ｃ）をさらに備え、
    　前記個別評価部は、前記不良状態の回数である前記不良状態の頻度に基づいて前記設備機器の状態を多段階で評価する、
    請求項２に記載の群管理装置。     A measuring unit (35c) for measuring the number of times of the defective state detected by the detecting unit;
    The individual evaluation unit evaluates the state of the equipment in multiple stages based on the frequency of the defective state which is the number of times of the defective state.
    The group management apparatus according to claim 2.
  5. 　前記全体評価部は、前記個別評価部によって評価された結果の代表値を前記群の状態として判定する、
    請求項１から請求項４のいずれか一つに記載の群管理装置。     The overall evaluation unit determines a representative value of a result evaluated by the individual evaluation unit as a state of the group.
    The group management device according to any one of claims 1 to 4.
  6. 　前記代表値は、多段階に評価された前記不良状態のうち、最も悪い状態を示す値である、
    請求項５に記載の群管理装置。     The representative value is a value indicating the worst state among the defective states evaluated in multiple stages.
    The group management apparatus according to claim 5.
  7. 　複数の建物（５０ａ，５０ｂ，５０ｃ）が含まれる一の管理領域において、前記複数の建物に設置された多数の設備機器を複数の群（１０ａ，１０ｂ，１０ｃ）として管理する群管理システム（１００）であって、
    　建物ごとに配置され、各建物に設置された前記多数の設備機器をそれぞれ管理する機器管理装置（２０ａ，２０ｂ，２０ｃ）と、
    　前記機器管理装置に接続され、前記機器管理装置が配置された建物内に設置された前記多数の設備機器を群として管理する群管理装置（３０）と、
    を備え、
    　群管理装置は、
    　前記機器管理装置を介して前記多数の設備機器の運転データを取得する運転データ取得部（３５ａ）と、
    　前記運転データに基づいて各設備機器の状態を多段階で評価する個別評価部（３５ｄ）と、
    　前記個別評価部によって多段階に評価された前記各設備機器の評価の結果に基づいて群全体の状態を評価する全体評価部（３５ｅ）と、
    を有する、
    群管理システム。     A group management system (100) for managing a large number of equipment installed in a plurality of buildings as a plurality of groups (10a, 10b, 10c) in one management region including a plurality of buildings (50a, 50b, 50c). ) And
    An equipment management device (20a, 20b, 20c) arranged for each building and managing each of the large number of equipment installed in each building;
    A group management device (30) that is connected to the device management device and manages the large number of facility devices installed in a building in which the device management device is disposed;
    With
    The group management device
    An operation data acquisition unit (35a) for acquiring operation data of the large number of facility devices via the device management device;
    An individual evaluation unit (35d) that evaluates the state of each facility device in multiple stages based on the operation data;
    An overall evaluation unit (35e) for evaluating the state of the entire group based on the results of the evaluation of each facility device evaluated in multiple stages by the individual evaluation unit;
    Having
    Group management system.
PCT/JP2009/002258 2008-05-22 2009-05-21 Group control device and group control system WO2009142024A1 (en)

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JP2008134665 2008-05-22
JP2008-134665 2008-05-22
JP2009-115984 2009-05-12
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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI489067B (en) * 2010-02-10 2015-06-21 Hitachi Appliances Inc Air conditioning management system
JP7376807B2 (en) * 2019-03-19 2023-11-09 ダイキン工業株式会社 Equipment evaluation system and equipment evaluation method
JP7560716B2 (en) 2019-09-09 2024-10-03 ダイキン工業株式会社 Equipment management system

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2004205118A (en) * 2002-12-25 2004-07-22 Mitsubishi Electric Corp Control device for air conditioning system
JP2008075990A (en) * 2006-09-22 2008-04-03 Toshiba Kyaria Kk Monitoring device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3495191B2 (en) * 1996-01-18 2004-02-09 東芝キヤリア株式会社 Air conditioning management device

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Publication number Priority date Publication date Assignee Title
JP2004205118A (en) * 2002-12-25 2004-07-22 Mitsubishi Electric Corp Control device for air conditioning system
JP2008075990A (en) * 2006-09-22 2008-04-03 Toshiba Kyaria Kk Monitoring device

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