JP2010038471A - Air conditioner management device and air conditioner management method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device or a method can automatically analyze a capacity of an air conditioner. <P>SOLUTION: This air conditioner management device 100 for managing a plurality of air conditioners 30, includes a set temperature acquiring section 12, a room temperature acquiring section 13, a time-to-reach calculating section 15, and a storage section 25. The set temperature acquiring section 12 obtains a set temperature of each air conditioner at a prescribed time. The room temperature acquiring section 13 obtains a room temperature of a room in which the air conditioner is installed. The time-to-reach calculating section 15 calculates a time necessary for the room temperature to reach the set temperature. The storage section 25 stores the calculated time-to-reach. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an air conditioner management apparatus and an air conditioner management method for monitoring and controlling an air conditioner.

  Conventionally, air conditioners are monitored and controlled remotely via an external network such as the Internet. In such an air conditioner management system, attention has been paid to a technique for collecting operation data accumulated by an air conditioning controller or the like installed together with an air conditioner in a facility at a remote center and using it for analysis such as an energy saving diagnosis. .

By analyzing the operation data accumulated in the controller and calculating the appropriate operation start time or setting it to an appropriate set temperature, the air conditioner control ensures the comfort and energy saving of the air conditioner user. It is known to do.
Japanese Patent Laid-Open No. 10-61995

  However, the problem related to the air conditioner is not only the control but also the capacity of the air conditioner itself. The capacity of air conditioners may vary depending on the installation environment and usage conditions, so if there is a limit to optimization of control alone, replacement with an appropriate air conditioner, that is, renewal may be required. It is.

  Therefore, an object of the present invention is to provide an apparatus or method for automatically analyzing the capacity of an air conditioner.

  An air conditioner management apparatus according to a first aspect of the present invention is an air conditioner management apparatus that manages a plurality of air conditioners, and includes a set temperature acquisition unit, a room temperature acquisition unit, an arrival time calculation unit, and a storage unit. The set temperature acquisition unit acquires the set temperature of each air conditioner at a predetermined time. The room temperature acquisition unit acquires the room temperature in the room where the air conditioner is installed. The arrival time calculation unit calculates the time until the room temperature reaches the set temperature. The storage unit stores the calculated arrival time.

  Here, by calculating the arrival time of each air conditioner, it is possible to analyze the excess or deficiency of the capacity of the air conditioner.

  An air conditioner management apparatus according to a second aspect of the present invention is the air conditioner management apparatus according to the first aspect of the present invention, further comprising a statistical arrival time calculation unit that calculates a statistical arrival time from a plurality of stored arrival times. Here, the statistical arrival time means a value obtained by statistically calculating the attribute of the set temperature arrival time of each air conditioner, and includes an average value, a median value, and the like.

  Here, by calculating the statistical arrival time, it is possible to statistically analyze the excess or deficiency of the capacity of the air conditioner.

  An air conditioner management apparatus according to a third aspect of the present invention is the air conditioner management apparatus according to the second aspect of the present invention, and includes an output unit that outputs a statistical arrival time of the air conditioner in a graph.

  An air conditioner management apparatus according to a fourth aspect of the present invention is the air conditioner management apparatus according to the third aspect of the present invention, wherein the output unit outputs the statistical arrival time of the air conditioner in a graph every predetermined period.

  An air conditioner management apparatus according to a fifth aspect of the present invention is the air conditioner management apparatus according to the third aspect of the present invention, wherein the output unit outputs the statistical arrival time of the air conditioner in a graph for each place where the air conditioner is installed. Here, the place where the air conditioner is installed includes the installed room, building, facility, area, and the like.

  Here, by acquiring the statistical arrival time of the same type of air conditioner used in a plurality of locations, in addition to the excess or deficiency of the capacity of the air conditioner, it is possible to analyze the influence of the usage environment or the like.

  An air conditioner management apparatus according to a sixth aspect of the present invention is the air conditioner management apparatus according to the third aspect of the present invention, wherein the set temperature acquisition unit, the room temperature acquisition unit, and the arrival time calculation unit are provided in the first device, and the storage unit and statistics The arrival time calculation unit and the output unit are provided in the second device. Further, the first device and the second device can communicate via an external network.

  An air conditioner management method according to a seventh aspect is an air conditioner management method for managing a plurality of air conditioners, wherein a set temperature acquisition step, a room temperature acquisition step, an arrival time calculation step, a storage step, and a statistical arrival time An operation step and an output step are provided. In the set temperature acquisition step, the set temperature of each air conditioner at a predetermined time is acquired. In the room temperature acquisition step, the room temperature in the room where the air conditioner is installed is acquired. In the arrival time calculation step, the time until the room temperature reaches the set temperature is calculated. In the storing step, the calculated arrival time is stored. In the statistical arrival time calculation step, the statistical arrival time is calculated from the plurality of stored arrival times. In the output step, the statistical arrival time is output.

  According to the present invention, it is possible to automatically analyze whether the capacity of the air conditioner is excessive or insufficient.

1. First embodiment 1.1. Overall Configuration of Air Conditioner Management Device FIG. 1 schematically shows an overall configuration of an air conditioner management device 100 according to the first embodiment of the present invention. The air conditioner management apparatus 100 calculates the time when the room temperature reaches the set temperature from the start of the operation of the air conditioner 30 and the average arrival time, and outputs the result as a graph. The air conditioner management apparatus 100 includes a controller 10 disposed in the facility 1 in which the air conditioner 30 is installed, and a management server 20 that is remotely installed so as to be communicable with the controller 10.

  The facility 1 is provided with a controller 10 and a plurality of air conditioners 30 connected to the controller 10 through air conditioning communication lines 40. The controller 10 is further installed so as to be able to communicate with the management server 20 disposed in the remote management center 2 via the Internet 50 which is an external network.

1.2. Controller FIG. 2 shows a schematic configuration of the controller 10 according to the present embodiment. The controller 10 acquires the set temperature and room temperature of each air conditioner 30, calculates the arrival time for the room temperature to reach the set temperature, and transmits it to the management device. The arrival time means that the room temperature is lowered to the set temperature in the cooling operation, and is raised to the set temperature in the heating operation. The controller 10 includes a communication unit 11, a set temperature acquisition unit 12, a room temperature acquisition unit 13, a temperature difference calculation unit 14, an arrival time calculation unit 15, an air conditioning control unit 16, an input unit 17, and a display unit 18. And a storage unit M.

  The communication unit 11 is connected to the Internet 50 via a predetermined network device such as a router, and receives operation data of the air conditioner 30 via the air conditioning communication line 40. The operation data is, for example, operation / stop of the air conditioner 30, set temperature, power consumption, and the like. The communication unit 11 also acquires the room temperature of the place where the air conditioner 30 is installed via an internal network (not shown) such as the air conditioning communication line 40 or the LAN of the facility 1. This room temperature may be a suction temperature acquired by a temperature sensor provided in each air conditioner 30, or may be a temperature acquired by a temperature measuring device separately installed in the room. The acquired operation data is stored in a predetermined location in the storage unit M.

  The set temperature acquisition unit 12 acquires the set temperature in the operation data together with the measurement time. The set temperature to be acquired may be, for example, a set temperature at a predetermined time such as a start time in the morning, or may be a time when the operation of the air conditioner 30 is started. Further, the set temperature may be acquired in real time via the communication unit 11 or may be acquired from operation data stored in advance in the storage unit M. After acquiring the set temperature, the room temperature acquisition unit 13 acquires the room temperature together with the measurement time at predetermined intervals, and determines whether the acquired room temperature has reached the set temperature. The room temperature to be acquired may be acquired in real time or may be acquired from operation data stored in advance in the storage unit M. The temperature difference calculation unit 14 calculates the difference between the set temperature acquired by the set temperature acquisition unit 12 and the room temperature acquired first by the room temperature acquisition unit 13. The calculated temperature difference is transmitted to the management server 20 together with the arrival time.

  The arrival time calculation unit 15 calculates the time until the acquired room temperature reaches the set temperature. Specifically, the difference between the measurement time of the room temperature that has reached the set temperature and the measurement time of the set temperature is calculated. The calculated arrival time is transmitted to the management server 20 via the communication unit 11 together with the corresponding temperature difference. The air conditioning control unit 16 receives a control command from the input unit 17 or the management server 20, and controls the air conditioner 30 according to the control command. The input unit 17 receives a control command or the like for the air conditioner 30 by a user operation. The display unit 18 displays a control command result or the like for the air conditioner 30 by a user operation.

  The controller 10 is a computer having the following configuration, for example. The communication unit 11 is an interface device for connecting the air conditioning communication line 40 to the controller 10, a LAN card or a LAN board for connecting to an internal network. The set temperature acquisition unit 12, the room temperature acquisition unit 13, the temperature difference calculation unit 14, and the arrival time calculation unit 15 are CPUs that read the arrival time calculation program P1 stored in the storage unit M and execute calculation and control. This is realized by the control unit C. The air conditioning control unit 16 is realized by a control unit C such as a CPU that reads an air conditioning control program (not shown) stored in the storage unit M and executes calculation / control. The storage unit M is realized by an internal memory such as a RAM or a ROM, or an external memory such as a hard disk. The input unit 17 is realized by a keyboard, a mouse, and the like, and the display unit 18 is realized by a display such as a liquid crystal. The above-described configuration of the controller 10 is an example, and the present invention is not limited to the above configuration.

1.3. Management Server FIG. 3 shows a schematic configuration of the management server 20 according to the present embodiment. The management server 20 stores the set temperature arrival time of each air conditioner 30 transmitted via the Internet 50, calculates the average arrival time from the arrival time, and outputs it as a graph. The management server 20 includes a communication unit 21, an average arrival time calculation unit 22, a graph output unit 23, an arrival time storage unit 25, an average arrival time storage unit 26, an input unit 27, and a display unit 28. Have.

  The communication unit 21 is connected to the Internet 50 via an internal network of the management center 2 such as a LAN and a predetermined network device such as a router. As will be described later, the average arrival time calculation unit 22 calculates an average value of a plurality of arrival times stored in the average arrival time storage unit 26 for each air conditioner 30. The graph output unit 23 outputs the calculated average arrival time in a graph as will be described later.

  The storage unit M stores an average arrival time calculation / graph output program P2. The storage unit M also includes an arrival time storage unit 25 that stores and accumulates the received arrival times, and an average arrival time storage unit 26 that stores the calculated average arrival times.

  As shown in FIG. 4, the arrival time storage unit 25 includes facility identification information, air conditioner 30 identification information, and installation location identification information in addition to the arrival time, and at least the following information for each piece of the identification information: including. The measurement date is the date when the set temperature was measured. The measurement reference time is the time when the set temperature is measured. In addition, for the comparative analysis between the air conditioners 30, this time is preferably a fixed time. The temperature difference is a temperature difference between the set temperature acquired by the set temperature acquisition unit 12 and the room temperature first acquired by the room temperature acquisition unit 13. The arrival time is the time until the room temperature measured first after the measurement reference time reaches the set temperature.

  The input unit 27 receives a graph output command or the like by a human operation. The display unit 28 displays command results such as graph output for the air conditioner 30.

  The management server 20 is a computer having the following configuration, for example. The communication unit 21 is a LAN card or a LAN board for connecting to an internal network in the management center 2. The average arrival time calculation unit 22 and the graph output unit 23 are realized by a control unit C such as a CPU that reads the average arrival time calculation program P2 stored in the storage unit M and executes calculation and control. The storage unit M is realized by an internal memory such as a RAM or a ROM, or an external memory such as a hard disk. The input unit 27 is realized by a keyboard, a mouse, or the like, and the display unit 28 is realized by a display such as a liquid crystal. The configuration of the controller 10 described above is an example, and the present invention is not limited to the above configuration.

1.3.1. Calculation of Average Arrival Time The average arrival time calculation unit 22 calculates the average arrival time according to the following equation according to the program P2 for calculating the average arrival time and outputting the graph.

  However, Δt [° C.] = | Room temperature−set temperature |, and T [Δt] is an arrival time at Δt. Also, 1 ≦ Δt ≦ 30, and the decimal part is discarded. Further, when T [Δt] varies, that is, when the arrival time T is different at the same temperature difference Δt, the average value is defined as T [Δt].

  For each air conditioner 30, the arrival times are summed up every month and the average arrival time is calculated. Note that the formula for calculating the average value is an example, and the present invention is not limited to the above configuration.

1.4. Air Conditioner The air conditioner 30 is, for example, an individual unit air conditioner indoor unit, an outdoor unit, or a large air conditioner using a central air conditioner. The air conditioner 30 is operated / stopped, thermo-ON / OFF, set temperature change, air volume adjustment, and the like according to a control command transmitted from the air-conditioning control unit 16 of the controller 10.

1.5. Process Flow A process flow of the air conditioner management apparatus 100 according to the present embodiment will be described with reference to FIGS. 5 and 6.

1.5.1. Arriving Time Calculation Processing FIG. 5 shows processing until the set temperature arrival time of each air conditioner 30 is calculated and stored in the arrival time storage unit 25 of the management server 20. This process is performed by the control unit C reading the program P1 stored in the storage unit M.

  S101: The set temperature acquisition unit 12 of the controller 10 acquires the set temperature and its measurement time. The set temperature may be acquired in real time via the communication unit 11, or the set temperature at the measurement reference time stored in advance in the storage unit M may be acquired.

  S102: The room temperature acquisition unit 13 of the controller 10 acquires the room temperature and the measurement time. Note that the room temperature may be acquired in real time via the communication unit 11, or the room temperature at the measurement reference time stored in advance in the storage unit M or at the latest time may be acquired.

  S103: The temperature difference calculation unit 14 of the controller 10 calculates the temperature difference between the set temperature and the acquired room temperature, and stores it in a predetermined location in the storage unit M.

  S104: Next, the room temperature acquisition unit 13 determines whether or not the acquired room temperature has reached the set temperature. If not reached, the process proceeds to step S105. If reached, the process proceeds to step S106. In the determination by the room temperature acquisition unit 13, it may be determined whether the acquired room temperature has reached the set temperature, for example, whether the temperature has fallen within a range of less than the set temperature ± 1 ° C.

  S105: The room temperature acquisition unit 13 of the controller 10 newly acquires the room temperature and the measurement time after a predetermined time, and returns to step S104.

  S106: The arrival time calculator 15 of the controller 10 calculates the time until the room temperature reaches the set temperature.

  S107: The controller C of the controller transmits the calculated arrival time and temperature difference to the management server 20 via the communication unit 11 and the Internet 50.

  S <b> 108: The control unit C of the management server 20 stores the arrival time and temperature difference received via the communication unit 21 in the arrival time storage unit 25.

  The flow of the above process is an example, and the present invention is not limited to the above.

1.5.2. Average Arrival Time Output Processing FIG. 6 shows the processing from the calculation of the average arrival time until the graph is output. This process starts when the control unit C reads the average arrival time calculation / graph output program P2 stored in the storage unit M.

  S201: The input unit 27 of the management server 20 receives a graph output request.

  S202: The average arrival time calculation unit 22 of the management server 20 sequentially reads the data in the arrival time storage unit 25.

  S203: The average arrival time calculation unit 22 of the management server 20 calculates the average arrival time for a predetermined number of days (for example, one month) for each air conditioner 30 as described above. The calculated average arrival time is stored in the average arrival time storage unit 26.

  S204: The graph output unit 23 of the management server 20 outputs the calculated average arrival time as a graph for each air conditioner 30.

  The flow of the above process is an example, and the present invention is not limited to the above.

1.6. Output Example FIGS. 7 and 8 show examples of graph output by the above processing. FIG. 7 is a graph obtained by calculating and outputting the average arrival time of the air conditioner 30 in the president's room every month. From this graph, it can be seen that the air conditioner 30 in the president's office is incapacitated in January, February and July, especially when the difference between the room temperature and the set temperature is large. In addition, by outputting and comparing the same graphs for the air conditioners 30 at other installation locations, it is possible to analyze the excess or deficiency of the capacity of the air conditioner 30 at each installation location and to calculate the precooling and remaining heat time. . FIG. 8 further shows a graph of the worst ranking for each month of average arrival time at each installation location. According to the figure, it can be seen that the air conditioner 30 in the president's room has the least capacity.

  From these analysis results, when the air conditioner 30 is updated, it is possible to analyze how much capacity the air conditioner 30 has at each installation location. The above output examples are only a part, and the graph output of the present invention is not limited to the above.

1.7. Effects of this embodiment According to the air conditioner management apparatus 100 according to this embodiment, the set temperature arrival time and the average arrival time of each air conditioner 30 are automatically calculated using operation data collected periodically. Since the graph is output, it is possible to statistically analyze the excess or deficiency of the capacity at the installation location of each air conditioner 30. Thereby, it is possible to grasp how much capacity of the air conditioner 30 is required when the air conditioner 30 is updated.

  Furthermore, it becomes possible to grasp the precooling and preheating time from the average arrival time for each air conditioner 30 and reflect it in the operation control.

  Further, by acquiring and comparing the arrival times of the same type of air conditioners 30 used in a plurality of places, it is possible to analyze external influences such as a use environment and an installation environment.

2. Second embodiment 2.1. Overall Configuration FIG. 9 schematically shows the overall configuration of a system including an air conditioner management apparatus according to the second embodiment of the present invention. In addition, the same code | symbol is attached | subjected about the structure and function similar to 1st embodiment. In the present embodiment, the controller 1 is not arranged in the facility 1, the functions of the controller are concentrated in the remote management server 220, and the air conditioning control unit is arranged in each air conditioner 30. It differs from the air conditioner management apparatus 100 of one embodiment.

  In the facility 1, the air conditioner 30 is connected by an air conditioning communication line 240. Each air conditioner 30 has an adapter device (not shown) having a communication function and an air conditioning control function therein. The adapter device can communicate with a management server 220 as an air conditioner management device disposed in the remote management center 2 via the air conditioning communication line 40 and the Internet 50 which is an external network. Each air conditioner 30 transmits operation data including the set temperature and the room temperature to the management server 220 via the adapter device.

2.2. Management Server FIG. 10 shows a schematic configuration of the management server 220 according to the present embodiment. The management server 220 is an air conditioner management device that calculates a set temperature arrival time from the set temperature and room temperature of each air conditioner 30 transmitted via the Internet 50, calculates an average arrival time, and outputs the result as a graph. . The management server 220 includes a communication unit 221, a set temperature acquisition unit 212, a room temperature acquisition unit 213, a temperature difference calculation unit 214, an arrival time calculation unit 215, an average arrival time calculation unit 222, and a graph output unit 223. , An arrival time storage unit 225, an average arrival time storage unit 226, an input unit 227, and a display unit 228.

  The communication unit 221 is connected to the Internet 50 via a predetermined network device such as a router and an internal network of the management center 2 such as a LAN. The communication unit 221 acquires the operation data of the air conditioner 30 via the Internet 50 and stores it in a predetermined location in the storage unit M. The set temperature acquisition unit 212 acquires the set temperature in the operation data together with the measurement time. The set temperature to be acquired may be, for example, a set temperature at a predetermined time such as a start time in the morning, or the air conditioner 30 may be at the start of operation. The set temperature may be acquired in real time via the communication unit 221 or may be acquired from operation data stored in advance in the storage unit M. After acquiring the set temperature, the room temperature acquisition unit 213 acquires the room temperature together with the measurement time at a predetermined interval, and determines whether the acquired room temperature has reached the set temperature. The room temperature may be acquired in real time or may be acquired from stored operation data stored in advance in the storage unit M. The temperature difference calculation unit 214 calculates a difference between the set temperature acquired by the set temperature acquisition unit 212 and the room temperature first acquired by the room temperature acquisition unit 213.

  The arrival time calculation unit 215 calculates the time until the acquired room temperature reaches the set temperature. The average arrival time calculation unit 222 calculates an average value of a plurality of arrival times stored in the average arrival time storage unit 226, as in the first embodiment. The graph output unit 223 outputs the calculated average arrival time as a graph as in the first embodiment.

  The storage unit M stores an arrival time calculation / average arrival time calculation / graph output program P. The storage unit M also includes an arrival time storage unit 225 that stores and accumulates arrival times, and an average arrival time storage unit 226 that stores the calculated average arrival times. The arrival time storage unit 225 includes the same contents as those in FIG. 4 of the first embodiment.

  The input unit 227 receives a graph output command or the like by a human operation. The display unit 228 displays a command result such as a graph output for the air conditioner 30.

  The management server 220 is a computer having the following configuration, for example. The communication unit 221 is a LAN card or a LAN board for connecting to an internal network in the management center 2. The set temperature acquisition unit 212, the room temperature acquisition unit 213, the temperature difference calculation unit 214, the arrival time calculation unit 215, the average arrival time calculation unit 222, and the graph output unit 223 are stored in the program P stored in the storage unit M. Is realized by a control unit C such as a CPU that reads and executes calculation and control. The storage unit M is realized by an internal memory such as a RAM or a ROM, or an external memory such as a hard disk. The input unit 227 is realized by a keyboard, a mouse, or the like, and the display unit 228 is realized by a display such as a liquid crystal.

2.3. Other Configuration and Processing The configuration and function of the management server 220 as another air conditioner management device are the same as the configuration and function of the air conditioner management device 100 according to the first embodiment.
2.4. Effects of this Embodiment According to the management server 220 according to this embodiment, in addition to the effects of the air conditioner management apparatus 100 according to the first embodiment, it is not necessary to install a controller in the facility 1 and the arrival time calculation process is also performed. Since it is performed on the management server 220 side, the processing load on the local network can be reduced, and controller settings and maintenance can be reduced.

3. Modification 3.1.
In the processing of the air conditioner management apparatuses 100 and 220 of the above embodiment, the average arrival time is calculated, but the present invention is not limited to this. For example, an average operation date and time in each month may be selected in advance, and the set temperature arrival time of the air conditioner 30 at that date and time may be calculated and output as a graph.

3.2.
In the processing of the air conditioner management apparatuses 100 and 220 of the above embodiment, the average arrival time is calculated as the statistical arrival time, but the present invention is not limited to this. For example, a median value or an adjusted average value may be used. The median is, for example, the arrival times with respect to the temperature difference in the aggregated data arranged in order of magnitude, and the median (or the average of the two median values) is defined as the statistical arrival time. The adjusted average value is obtained by arranging the arrival times with respect to the temperature difference in the order from the aggregated data in order of magnitude and rounding down the upper and lower data. As described above, by using the median value or the adjusted average value for the statistical arrival time, the calculated statistical arrival time can exclude, for example, an extreme change in the arrival time due to special weather conditions or use environment.

3.3.
In the processing by the air conditioner management apparatuses 100 and 220 according to the above-described embodiment, when the set temperature is changed by the user's operation or the like during execution of the processing, acquisition of the arrival time may be stopped. In addition, when the difference between the set temperature acquired by the set temperature acquisition units 12 and 212 and the room temperature acquired by the room temperature acquisition units 13 and 213 is less than 1 ° C. or an abnormal value (for example, exceeding 30 ° C.) You may make it cancel acquisition of arrival time.

3.4.
The management servers 20 and 220 according to the above embodiment may function as a WWW server. The management servers 20 and 220 receive access to the Web pages of the management servers 20 and 220 from a communication device such as a mobile phone having a browser or the controller 10, and can view information such as the graph by an input operation. Good.

3.5.
The air conditioning communication lines 40 and 240 of the above embodiment may be an internal network such as a LAN of the facility 1.

  The present invention is particularly useful as an apparatus or method that can automatically analyze the capacity of an air conditioner.

1 is an overall configuration diagram of an air conditioner management device according to a first embodiment of the present invention. Schematic configuration diagram of the controller according to the embodiment Schematic configuration diagram of the management server according to the embodiment The figure which shows the content of the arrival time storage part which concerns on the same embodiment The flowchart which shows the flow of a process of the air conditioner management apparatus which concerns on the same embodiment The flowchart which shows the flow of a process of the air conditioner management apparatus which concerns on the same embodiment The figure which shows an example of the graph output which is a process result of the air conditioner management apparatus which concerns on the same embodiment The figure which shows the other example of the graph output which is a process result of the air conditioner management apparatus which concerns on the same embodiment Overall configuration diagram of a system including an air conditioner management device according to a second embodiment of the present invention Schematic configuration diagram of the management server according to the embodiment

Explanation of symbols

1 facility 2 remote management center 10 controller (first equipment)
DESCRIPTION OF SYMBOLS 11 Communication part 12 Set temperature acquisition part 13 Room temperature acquisition part 14 Temperature difference calculation part 15 Arrival time calculation part 16 Air-conditioning control part 17 Input part 18 Display part 20 Management server (2nd apparatus)
21 Communication Unit 22 Average Arrival Time Calculation Unit 23 Graph Output Unit 25 Arrival Time Storage Unit (Storage Unit)
26 Average arrival time storage unit 27 Input unit 28 Display unit 30 Air conditioner 40 Air conditioning communication line 50 Internet (external network)
DESCRIPTION OF SYMBOLS 100 Air conditioner management apparatus 212 Set temperature acquisition part 213 Room temperature acquisition part 214 Temperature difference calculation part 215 Arrival time calculation part 220 Management server (air conditioner management apparatus)
221 Communication unit 222 Average arrival time calculation unit 223 Graph output unit 225 Arrival time storage unit (storage unit)
226 Average arrival time storage unit 227 Input unit 228 Display unit 240 Air conditioning communication line C Control unit M Storage unit P program P1 program P2 program

Claims (7)

An air conditioner management device (100, 220) for managing a plurality of air conditioners (30),
A set temperature acquisition unit (12, 212) for acquiring a set temperature of each air conditioner at a predetermined time;
A room temperature acquisition unit (13, 213) for acquiring the room temperature of the room where the air conditioner is installed;
An arrival time calculating section (15, 215) for calculating the time until the room temperature reaches the set temperature;
A storage unit (25, 225) for storing the calculated arrival time;
An air conditioner management device.   The air conditioner management device according to claim 1, further comprising a statistical arrival time calculation unit (22, 222) for calculating a statistical arrival time from the plurality of stored arrival times.   The air conditioner management device according to claim 2, further comprising an output unit (23, 28, 223, 228) for outputting the statistical arrival time of the air conditioner (30) in a graph.   The air conditioner management device according to claim 3, wherein the output unit (23, 28, 223, 228) outputs the statistical arrival time of the air conditioner (30) in a graph for each predetermined period.   The output unit (23, 28, 223, 228) outputs the statistical arrival time of the air conditioner (30) in a graph for each place where the air conditioner (30) is installed. Air conditioner management device. The set temperature acquisition unit (12), the room temperature acquisition unit (13), and the arrival time calculation unit (15) are provided in the first device (10),
The storage unit (25), the statistical arrival time calculation unit (22), and the output unit (23, 28) are provided in the second device (20),
The first device and the second device can communicate with each other via an external network (50).
The air conditioner management apparatus according to claim 3. An air conditioner management method for managing a plurality of air conditioners (30),
A set temperature acquisition step for acquiring a set temperature of each air conditioner at a predetermined time;
A room temperature acquisition step of acquiring the room temperature of the room where the air conditioner is installed;
An arrival time calculating step for calculating a time until the room temperature reaches the set temperature;
A storing step for storing the calculated arrival time;
A statistical arrival time calculating step for calculating a statistical arrival time from the plurality of stored arrival times;
An output step of outputting the statistical arrival time;
An air conditioner management method comprising:

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