JP7361625B2 - air conditioning system - Google Patents

Description

The present invention relates to an air conditioning system that estimates a room temperature relative to an outside temperature when an air conditioner is operated at a predetermined set temperature and a predetermined energy saving control pattern.

By analyzing the operation history of the air conditioner, calculation parameters can be set to estimate the room temperature when the air conditioner is operated, and these parameters can be used to estimate the room temperature relative to the outside temperature when the air conditioner is operated. (For example, see Patent Document 1).

Japanese Patent Application Publication No. 2017-133707

On the other hand, in recent years, there has been a demand for energy conservation in air conditioning systems as well. In this case, in order to maintain comfort even when the air conditioner is operated in energy-saving control mode, it is necessary to predict what kind of energy-saving control will cause the room temperature to change. However, when estimating room temperature by setting parameters based on past operating results, as in the conventional technology described in Patent Document 1, it is difficult to predict the room temperature when energy-saving control is executed without any past operating results. Can not. For this reason, there were cases where sufficient energy saving control could not be performed and the target power consumption was not achieved.

Therefore, an object of the present invention is to estimate the room temperature at the time of execution of energy saving control even when energy saving control is executed for which there is no operational history.

The air conditioning system of the present invention is an air conditioning system that includes an air conditioner and a room temperature estimation device that estimates the room temperature relative to the outside temperature when the air conditioner is operated at a predetermined temperature setting and a predetermined energy saving control pattern, The room temperature estimating device includes a room temperature estimation model that calculates an estimated room temperature relative to the outside temperature when the air conditioner is operated according to the corresponding set temperature and the corresponding energy saving control pattern, in each cell of the matrix of the set temperature and the energy saving control pattern. and an estimated room temperature calculation unit that calculates an estimated room temperature based on the room temperature estimation model database, and the estimated room temperature calculation unit stores a predetermined set temperature in the room temperature estimation model database. If a room temperature estimation model corresponding to a predetermined energy saving control pattern is stored, the room temperature estimation model stored in the room temperature estimation model database is used to calculate the estimated room temperature with respect to the outside temperature, and the room temperature estimation model database is stored in the room temperature estimation model database. If a room temperature estimation model corresponding to a predetermined set temperature and a predetermined energy saving control pattern is not stored in and interpolating each estimated room temperature of a plurality of cells to calculate an estimated room temperature relative to the outside temperature when the air conditioner is operated at a predetermined set temperature and a predetermined energy saving control pattern. do.

As a result, if there is no operating record of the air conditioner with the predetermined set temperature and the predetermined energy-saving control pattern, and the room temperature estimation model corresponding to the predetermined set temperature and the predetermined energy-saving control pattern is not stored in the room temperature estimation model database. However, by interpolation, it is possible to estimate the room temperature relative to the outside temperature. Therefore, sufficient energy saving control of the air conditioner can be performed, and it becomes easy to achieve the target power consumption.

In the air conditioning system of the present invention, when the room temperature estimation model is stored in two cells in one row or one column of the matrix of the room temperature estimation model database, the estimated room temperature calculation unit calculates the room temperature in each cell. The estimated room temperature relative to the outside temperature is calculated using the estimation model, and each estimated room temperature of each calculated cell is linearly interpolated to calculate the estimated room temperature relative to the outside temperature when the air conditioner is operated at a predetermined set temperature and a predetermined energy saving control pattern. Calculate the estimated room temperature, and if room temperature estimation models are stored in three or more cells in one row or one column of the matrix of the room temperature estimation model database, use the room temperature estimation model in each cell. Calculate each estimated room temperature for each air temperature, linearly interpolate each calculated estimated room temperature for each cell, or generate an approximate curve showing a change in estimated room temperature for the cell arrangement using each calculated estimated room temperature for each cell, Based on the generated approximate curve, an estimated room temperature relative to the outside temperature when the air conditioner is operated at a predetermined set temperature and a predetermined energy saving control pattern may be calculated.

If the room temperature estimation model is stored in two cells in one row or one column of the matrix of the room temperature estimation model database, the room temperature can be easily estimated by linear interpolation. When room temperature estimation models are stored in three or more cells in one row or one column of the matrix, the room temperature estimation accuracy can be improved by performing interpolation using an approximate curve.

The air conditioning system of the present invention includes at least one air conditioner including a plurality of indoor units, and a temperature control system for the outside temperature when the air conditioner is operated with a predetermined set temperature for each indoor unit and a predetermined energy saving control pattern for each indoor unit. an air conditioning system that includes a room temperature estimation device that estimates each room temperature in the vicinity of each indoor unit, the room temperature estimation device having a matrix of a predetermined set temperature for each indoor unit and a predetermined energy saving control pattern for each indoor unit. In each cell, calculate the estimated room temperature near the first indoor unit with respect to the outside temperature when the air conditioner is operated according to the set temperature of the corresponding indoor unit and the energy saving control pattern of the corresponding indoor unit. A room temperature estimation model database that stores a room temperature estimation model database for each indoor unit that stores estimation models for each of a plurality of indoor units, and an estimated room temperature calculation that calculates each estimated room temperature near each indoor unit based on the room temperature estimation model database. The estimated room temperature calculation section includes an indoor unit corresponding to a predetermined set temperature for each indoor unit and a predetermined energy saving control pattern for each indoor unit in the indoor unit-specific room temperature estimation model database of one indoor unit. If a separate room temperature estimation model is stored, an operation of calculating the estimated room temperature near the first indoor unit with respect to the outside temperature using the room temperature estimation model for each indoor unit stored in the room temperature estimation model database for each indoor unit. is repeatedly executed for each indoor unit to calculate each estimated room temperature near each indoor unit, and the predetermined set temperature for each indoor unit and the indoor unit are stored in the room temperature estimation model database for each indoor unit of one indoor unit. If a room temperature estimation model for each indoor unit that corresponds to another predetermined energy saving control pattern is not stored, the room temperature estimation model for each indoor unit is used in multiple cells in which room temperature estimation models for each indoor unit are stored. The estimated room temperature near the first indoor unit for each air temperature is calculated, and the calculated estimated room temperature near the first indoor unit in multiple cells is interpolated to set a predetermined set temperature for each indoor unit and a predetermined energy saving for each indoor unit. The operation of calculating the estimated room temperature near one indoor unit with respect to the outside temperature when the air conditioner is operated according to the control pattern is repeatedly executed for each of the plurality of indoor units to calculate each estimated room temperature near each indoor unit. It is characterized by.

The heat load on the indoor unit differs depending on where the indoor unit is installed, for example, on the window side or on the aisle side. For this reason, the change in room temperature when energy saving control of the air conditioner is executed differs for each indoor unit. The present invention stores a plurality of room temperature estimation models for each indoor unit that estimate each room temperature in the vicinity of each indoor unit in a room temperature estimation model database, and sets a predetermined temperature setting for each indoor unit and a predetermined energy saving control pattern for each indoor unit. If a corresponding room temperature estimation model for each indoor unit is not stored, the room temperature of each indoor unit relative to the outside temperature is estimated by interpolation, so the operating results of the air conditioner at a predetermined set temperature and a predetermined energy-saving control pattern are estimated. Even if there is no room temperature estimation model corresponding to a predetermined set temperature and a predetermined energy saving control pattern stored in the room temperature estimation model database, it is possible to estimate each room temperature of each indoor unit relative to the outside temperature. This estimates the change in room temperature near each indoor unit when energy-saving control is implemented, and targets power consumption while performing energy-saving control on each indoor unit to prevent large changes in room temperature near each indoor unit. becomes easier to achieve.

In the air conditioning system of the present invention, when room temperature estimation models are stored in two cells in one row or one column of the matrix of the room temperature estimation model database for each indoor unit, the estimated room temperature calculation unit Using a room temperature estimation model in each cell, the estimated room temperature near one indoor unit relative to the outside temperature is calculated, and the estimated room temperature near one indoor unit in each cell is linearly interpolated to determine a predetermined set temperature for each indoor unit. The estimated room temperature near one indoor unit with respect to the outside temperature when the air conditioner is operated with a predetermined energy-saving control pattern for each indoor unit is calculated, and the estimated room temperature near one indoor unit is calculated in one row or one row of the matrix of the room temperature estimation model database for each indoor unit. When room temperature estimation models are stored in three or more cells in one column, the room temperature estimation model is used in each cell to calculate the estimated room temperature near one indoor unit relative to the outside temperature, and each cell is By linearly interpolating the estimated room temperature near the first indoor unit of each cell, or by using the calculated estimated room temperature near the first indoor unit of each cell, create an approximate curve that shows the change in the estimated room temperature near the first indoor unit for the cell arrangement. Based on the generated approximate curve, calculate the estimated room temperature near one indoor unit with respect to the outside temperature when the air conditioner is operated with a predetermined set temperature for each indoor unit and a predetermined energy saving control pattern for each indoor unit. It may be calculated.

When room temperature estimation models are stored in two cells in one row or column of the matrix of the room temperature estimation model database for each indoor unit, the room temperature can be easily estimated by linear interpolation. If room temperature estimation models are stored in three or more cells in one row or one column of the matrix of a separate room temperature estimation model database, the accuracy of room temperature estimation is improved by performing interpolation using an approximate curve. be able to.

In the air conditioning system of the present invention, the room temperature estimation device generates a display image by superimposing an image of an air-conditioned space in which a plurality of indoor units are arranged and a distribution of each estimated room temperature in the vicinity of each of the plurality of indoor units. and a display section that displays the image generated by the display generation section.

Thereby, the distribution of each room temperature in the vicinity of each indoor unit in the air-conditioned space can be visually recognized, and it becomes easy to adjust the energy saving control pattern of each indoor unit.

In the air conditioning system of the present invention, the display section can set an outside temperature, and the room temperature estimating device calculates each estimated room temperature near each indoor unit based on the outside temperature set on the display section. may be displayed on the display section.

As a result, it is possible to visually grasp changes in each room temperature when the outside temperature changes while looking at the screen, and it is possible to easily adjust the energy saving control pattern of each indoor unit.

The present invention can estimate the room temperature at the time of execution of energy saving control even when energy saving control is executed for which there is no operational history.

FIG. 1 is a system diagram showing the configuration of an air conditioning system according to an embodiment. 2 is a hardware configuration diagram of a computer forming an air conditioner controller and a room temperature estimating device of the air conditioning system shown in FIG. 1. FIG. FIG. 2 is a diagram showing a data structure of an indoor unit setting database stored in a storage unit of the controller of the air conditioner shown in FIG. 1. FIG. 2 is a diagram showing the structure of an air conditioner operation record database stored in a storage unit of the room temperature estimation device shown in FIG. 1. FIG. 2 is a diagram showing the structure of a room temperature estimation model database stored in a storage unit of the room temperature estimation device shown in FIG. 1. FIG. 6 is a diagram showing the structure of a room temperature estimation database for each indoor unit in the room temperature estimation model database shown in FIG. 5. FIG. It is a flow chart showing operation of an air conditioning system of an embodiment. This shows a room temperature matrix that calculates the room temperature near the indoor unit when the air conditioner is operated at a certain set temperature and a certain energy-saving control pattern based on the room temperature estimation model database for each indoor unit and the room temperature estimation model database for each indoor unit. It is a diagram. FIG. 9 is a diagram showing a room temperature matrix obtained by interpolating the room temperature matrix shown in FIG. 8 to estimate and calculate the room temperature near the indoor unit. Other models that calculate the room temperature near the indoor unit when the air conditioner is operated with other set temperatures and other energy-saving control patterns based on other temperature estimation model databases and other machine-specific room temperature estimation model databases. It is a figure showing a room temperature matrix. FIG. 11 is a diagram showing another room temperature matrix obtained by interpolating the other matrix shown in FIG. 10 to estimate the room temperature near the indoor unit. It is a figure which shows the display part when the arrangement|positioning of an air-conditioned space and each room temperature in the vicinity of each indoor unit are superimposed and displayed.

Hereinafter, an air conditioning system 100 according to an embodiment will be described with reference to the drawings. As shown in FIG. 1, the air conditioning system 100 of the embodiment includes an air conditioner 10 and a room temperature estimation that estimates the room temperature Tr relative to the outside temperature T0 when the air conditioner 10 is operated at a predetermined set temperature and a predetermined energy saving control pattern. It is composed of a device 50.

As shown in FIG. 1, the air conditioner 10 includes first to sixth indoor units 31 to 36 placed on the ceiling of a room 60 of a building (see FIG. 12), which is an air-conditioned space, and outdoor units 31 to 36 placed on the ceiling of a room 60 of a building (see FIG. 12), and It is composed of first and second outdoor units 21 and 22 disposed in the same area, a controller 40, and a communication section 45. In the following description, when the first to sixth indoor units are not distinguished, they are referred to as the indoor unit 30, and when the first and second outdoor units 21 and 22 are not distinguished, they are referred to as the outdoor unit 20.

The outdoor unit 20 includes a heat pump or the like therein, and supplies the indoor unit 30 with a low-temperature refrigerant for cooling or a high-temperature refrigerant for heating. The first outdoor unit 21 is connected to the first to third indoor units 31 to 33 and supplies refrigerant to the first to third indoor units 31 to 33. Further, the second outdoor unit 22 is connected to the fourth to sixth indoor units 34 to 36, and supplies refrigerant to the fourth to sixth indoor units 34 to 36. Each indoor unit 30 includes a heat exchanger and a fan that transfer the heat of the refrigerant to the air, and performs heat exchange between the refrigerant and the indoor air to cool or heat the air-conditioned space.

A room temperature sensor 37 is attached to each indoor unit 30 to detect the room temperature Tr in the vicinity of each indoor unit 30. Further, each outdoor unit 20 is attached with an outside temperature sensor 23 that detects the outside temperature T0. Each outdoor unit 20 and each indoor unit 30 are connected to a controller 40. Each room temperature Tr in the vicinity of each indoor unit 30 detected by the room temperature sensor 37 and the outside temperature sensor 23 and the outside temperature T0 in the vicinity of each outdoor unit 20 are input to the controller 40 .

The controller 40 is composed of a general-purpose computer 150 (see FIG. 2) that includes a CPU 151 that performs information processing and a memory, and includes first and second outdoor units 21 and 22, and first to sixth indoor units 31 to 6. 36; a storage unit 42 including an indoor unit setting database 200 storing operation setting information of the first and second outdoor units 21 and 22 and the first to sixth indoor units 31 to 36; , and a communication section 45. Note that the storage unit 42 stores programs and operation data for controlling the operation of the first and second outdoor units 21 and 22 and the first to sixth indoor units 31 to 36. Further, the communication unit 45 is connected to a communication line 48 such as a telephone line or the Internet.

As shown in FIG. 2, the general-purpose computer 150 includes a CPU 151 that is a processor that processes information, a ROM 152 and a RAM 153 that temporarily store data during information processing, and a hard disk drive that stores programs, user data, etc. (HDD) 154, a mouse 155 provided as an input means, a keyboard 156, and a display 157 provided as a display device. The CPU 151, ROM 152, RAM 153, and HDD 154 are connected by a data bus 160. Further, a mouse 155, a keyboard 156, and a display 157 are connected to a data bus 160 via an input/output interface 158. Further, a network controller 159 provided as a communication means is connected to the data bus 160.

The control section 41 and the communication section 45 of the controller 40 are realized by the cooperative operation of the hardware of the general-purpose computer 150 shown in FIG. 2 and a program running on the CPU 151. Furthermore, the storage unit 42 is realized by the HDD 154 of the general-purpose computer 150 shown in FIG. Note that instead of the HDD 154, it may be realized by using an external storage means via a network, or an SDD may be used.

As shown in FIG. 3, the indoor unit setting database 200 stored in the storage unit 42 includes the set temperature of each indoor unit 30, the indoor unit energy saving control pattern of each indoor unit 30, and the information about the settings to which each indoor unit 30 is connected. The outdoor unit energy saving pattern of the outdoor unit 20 is stored in association with the outdoor unit energy saving pattern. Here, the set temperature is a control target temperature of the room temperature Tr near each indoor unit 30. The energy saving control pattern of the air conditioner 10 configured with the outdoor unit 20 and the indoor unit 30 is configured by a combination of the indoor unit energy saving control pattern of the indoor unit 30 and the outdoor unit energy saving control pattern of the outdoor unit 20. An example of an indoor unit energy saving control pattern is ventilation rotation control. Air blow rotation control is an operating state in which the supply of low-temperature or high-temperature refrigerant to the heat exchangers of multiple indoor units 30 connected to one outdoor unit 20 is stopped, and only the fan is operated for a predetermined period of time. This is control performed sequentially by a plurality of indoor units 30. The ventilation rotation control has a plurality of control patterns depending on how many minutes the ventilation operation is performed during a 30-minute operating time. For example, if the blower operation is performed for only 3 minutes during a 30-minute operation, the blower energy saving control pattern will be "Blower rotation: 3 minutes of blowing". In addition, when the blower operation is performed for only 6 minutes during the 30-minute operation, the blower energy saving control pattern is "Blower rotation: 6 minutes of blowing". In addition, in the case of normal operation without air blowing operation, the indoor unit energy saving control pattern is "air blow rotation 0 minutes".

Further, an example of the outdoor unit energy saving control pattern is capacity saving control in which the outdoor unit 20 is operated with reduced capacity. In this case, the outdoor unit 20 operates at a reduced capacity, such as 80%, and each indoor unit 30 connected to the outdoor unit 20 operates normally. In this case, the outdoor unit energy saving control pattern is "capacity 80%". Further, when the outdoor unit 20 performs normal operation without performing energy saving control, the air conditioner energy saving control pattern is "capacity 100%". Note that the outdoor unit 20 may be operated at 80% capacity, and the indoor unit 30 may be operated under ventilation rotation control.

The control unit 41 of the controller 40 of the air conditioner 10 operates each outdoor unit 20 and indoor unit 30 based on the operating conditions of each indoor unit 30 and outdoor unit 20 stored in the indoor unit setting database 200. At this time, when both the outdoor unit 20 and the indoor unit 30 are in normal operation and the energy saving control operation is not performed, the control unit 41 sets the temperature so that the room temperature Tr detected by the room temperature sensor 37 of each indoor unit 30 becomes the set temperature. The outdoor unit 20 and the indoor unit 30 are operated. On the other hand, when an energy saving control pattern is set for either the outdoor unit 20 or the indoor unit 30, the outdoor unit 20 or the indoor unit 30 is operated with priority given to the operation according to each energy saving control pattern. Therefore, when the energy saving control pattern is set, the room temperature Tr becomes a temperature that has changed from the set temperature. For example, in the case of cooling, the room temperature Tr is a little higher than the set temperature.

The controller 40 outputs the operation record of the air conditioner 10 during the above operation from the communication unit 45 to the communication line 48. The driving record includes, for example, the date and time, the outside temperature T0 detected by the outside temperature sensor 23, the set temperature, the energy saving control pattern of the indoor unit 30 and the outdoor unit 20, and the room temperature Tr detected by the room temperature sensor 37.

The room temperature estimation device 50 is composed of six functional blocks: a communication section 51, a room temperature estimation model generation section 52, an estimated room temperature calculation section 53, a display generation section 54, a display section 55, and a storage section 56. . The outline of each functional block is as follows.

The communication unit 51 communicates with the communication line 48 to receive the operation record of each indoor unit 30 of the air conditioner 10 from the controller 40 of the air conditioner 10, and stores it in the air conditioner operation record database 300 of the storage unit 56. The room temperature estimation model generation unit 52 reads the operating state of each indoor unit 30 stored in the air conditioner operation record database 300, and calculates the room temperature Tr in the vicinity of each indoor unit 30 with respect to the outside temperature T0. A model is generated and stored in a matrix of the room temperature estimation model database 400. The estimated room temperature calculation unit 53 calculates the room temperature in the vicinity of each indoor unit 30 using the room temperature estimation model for each indoor unit stored in the matrix of the room temperature estimation model database 400. The display generation unit 54 generates a display image by superimposing the estimated room temperature data near each indoor unit 30 calculated by the estimated room temperature calculation unit 53 and the image of the air-conditioned space, and outputs the display image to the display unit 55. The display unit 55 displays an image in which the air-conditioned space and the estimated room temperature Tr are superimposed.

Here, the communication unit 51, the room temperature estimation model generation unit 52, the estimated room temperature calculation unit 53, and the display generation unit 54 are cooperative operations between the hardware of the general-purpose computer 150 shown in FIG. 2 and the program running on the CPU 151. This is realized by The display section 55 is realized by the display 157 of the general-purpose computer 150 shown in FIG. 2, and the storage section 56 is realized by the HDD 154 of the general-purpose computer 150 shown in FIG.

The details of each functional block will be explained below. The air conditioner operation record database 300 stored in the storage unit 56 stores a plurality of indoor unit operation record databases 301 to 303 for each indoor unit, as shown in FIG. The indoor unit operation record databases 301 to 303 contain, for each indoor unit 30, the operation date and time, the outside temperature T0 detected by the outside temperature sensor 23 of the outdoor unit 20 to which the indoor unit 30 is connected, and the indoor unit 30. the set temperature of the indoor unit 30, the indoor unit energy saving control pattern of the indoor unit 30, the outdoor unit energy saving control pattern of the outdoor unit 20 to which the indoor unit 30 is connected, and the indoor unit temperature detected by the room temperature sensor 37 of the indoor unit 30. This is a database in which the room temperature Tr in the vicinity of the machine 30 is stored in association with the room temperature Tr.

The database structure will be explained using the indoor unit-specific operation record database 301 shown in FIG. 4 as an example. The indoor unit operation record database 301 is the operation record of the first indoor unit 31 whose indoor unit number is 001. The outside temperature T0 is a value detected by the outside temperature sensor 23 attached to the first outdoor unit 21 to which the first indoor unit 31 is connected. Further, the room temperature Tr is a value detected by a room temperature sensor 37 attached to the first indoor unit 31. The set temperature of the first indoor unit 31 is 26° C., which is the set temperature of indoor unit number 001 in the indoor unit setting database 200 described above. In addition, the indoor unit energy saving control pattern of the first indoor unit 31 and the outdoor unit energy saving control pattern of the first outdoor unit 21 are stored in the indoor unit setting database 200, respectively. 100% ability.”

As shown in FIG. 4, between 14:00 and 14:40 on August 28, 2019, the first indoor unit 31 had a set temperature of 26°C and an indoor unit energy saving control pattern of "Blow rotation 6 minutes". ”, and the first outdoor unit 21 is operated with the outdoor unit energy saving control pattern set to “100% capacity”. During this time, the outside temperature T0 changes between 30.0°C and 33.0°C, and the room temperature Tr near the first indoor unit 31 changes from 26.2°C to 26.5°C in accordance with the change in the outside temperature T0. Varies between ℃. Since the first indoor unit 31 is operated under energy-saving control, the controller 40 of the air conditioner 10 does not control the room temperature Tr to the set temperature, but instead prioritizes the energy-saving control pattern of the first indoor unit 31 and Operate machine 31. Therefore, the room temperature Tr is a little higher than the set temperature of 26°C.

Similarly, the indoor unit operation record database 302 stores the operating state of the second indoor unit 32 with the indoor unit number 002 and the change in the room temperature Tr with respect to the outside temperature T0. Like the first indoor unit 31, the second indoor unit 32 is also operated in an energy saving control pattern of "air blow rotation 6 minutes". However, as shown in FIG. 12, since the second indoor unit 32 is located close to the window 61 of the room 60, the room temperature Tr near the second indoor unit 32 is the same as that of the "6-minute ventilation rotation". The room temperature Tr in the vicinity of the first indoor unit 31 is slightly higher than that of the first indoor unit 31 due to the operation in the energy saving control pattern.

The communication unit 51 outputs these data acquired from the controller 40 of the air conditioner 10 via the communication line 48 to the air conditioner operation record database 300 and stores them in the air conditioner operation record database 300.

As described above, the room temperature estimation model generation unit 52 reads the operating status of each indoor unit 30 and each outdoor unit 20 stored in the air conditioner operation record database 300, and calculates the operating status of each indoor unit 30 with respect to the outside temperature T0. A room temperature estimation model for each indoor unit that calculates the nearby room temperature Tr is generated and stored in the matrix of the room temperature estimation model database 400.

Hereinafter, as an example, the room temperature estimation model generation unit 52 generates a room temperature Tr near the first indoor unit 31 with respect to the outside temperature T0 based on the operation record of the first indoor unit 31 stored in the operation record database 301 for each indoor unit. A case will be described in which a room temperature estimation model that calculates the temperature is generated.

（式１）の傾きＡと切片Ｂとは、例えば、室内機別運転記録データベース３０１に格納された第１室内機３１の運転記録の外気温Ｔ０と室温Ｔｒのデータを線形回帰により求めることができる。室温Ｔｒと外気温Ｔ０との関係は、第１室内機３１の設定温度、室内機省エネ制御パターン、室外機省エネ制御パターンによって変化する。従って、室温推定モデル生成部５２は、室内機別運転記録データベース３０１に基づいて、第１室内機３１の設定温度が２６℃、室内機省エネ制御パターンが「送風ローテーション 送風６分」、室外機省エネ制御パターンが「能力１００％」の条件で第１室内機３１と第１室外機２１とを運転した際の外気温Ｔ０に対する室温Ｔｒを推定する（式１）の傾きＡ，切片Ｂを線形回帰により生成し、推定式を生成する。生成した室温Ｔｒの推定式は、図５に示す室温推定モデルデータベース４００に格納される。 The room temperature Tr in the vicinity of the first indoor unit 31 can be expressed as a function of the outside temperature T0 as shown in (Equation 1) below.

The slope A and the intercept B of (Equation 1) can be obtained, for example, by linear regression of the data of the outside temperature T0 and room temperature Tr of the operation record of the first indoor unit 31 stored in the operation record database 301 for each indoor unit. can. The relationship between the room temperature Tr and the outside temperature T0 changes depending on the set temperature of the first indoor unit 31, the indoor unit energy saving control pattern, and the outdoor unit energy saving control pattern. Therefore, based on the indoor unit operation record database 301, the room temperature estimation model generation unit 52 determines that the set temperature of the first indoor unit 31 is 26° C., the indoor unit energy saving control pattern is "ventilation rotation 6 minutes", and the outdoor unit energy saving Linear regression is applied to the slope A and intercept B of (Equation 1) to estimate the room temperature Tr relative to the outside temperature T0 when the first indoor unit 31 and the first outdoor unit 21 are operated under the condition that the control pattern is "100% capacity". to generate an estimation formula. The generated estimation formula for the room temperature Tr is stored in the room temperature estimation model database 400 shown in FIG.

As shown in FIG. 5, the room temperature estimation model database 400 stores a plurality of matrices forming the room temperature estimation model databases 401 to 404 for each indoor unit. Hereinafter, the room temperature estimation model database 401 for each indoor unit will be described as an example with reference to FIG. 6. Although not shown in FIG. 5, the room temperature estimation model database 400 stores at least one indoor unit-specific room temperature estimation model database for each of the first to sixth indoor units 31 to 36.

As shown in FIG. 6, the room temperature estimation model database 401 for each indoor unit corresponds to each cell of a matrix in which the row is the set temperature of the first indoor unit 31 and the column is the indoor unit energy saving control pattern of the first indoor unit 31. The first indoor unit 31 is operated with the set temperature, the corresponding indoor unit energy saving control pattern, and the first outdoor unit 21 to which the first indoor unit 31 is connected is operated at 100% capacity. A room temperature estimation model for calculating the room temperature Tr in the vicinity of one indoor unit 31 is stored. As shown in FIG. 6, the room temperature estimation model stored in each cell is distinguished by the alphabet f and a three-digit number. “f111(T0)” is written in the 1st row and 1st column. The alphabet "f" in "f111 (T0)" indicates that the energy saving control pattern of the first indoor unit 31 is ventilation rotation control, and the first number "1" indicates that the first indoor unit 31 is an indoor unit. Indicates the number "1". Furthermore, the second and third numerical values of "f111(T0)" are the row number and column number of the matrix in which the room temperature estimation model is stored. Further, (T0) indicates that the outside temperature T0 is a variable in the room temperature estimation model. In the case of FIG. 6, the 1st row is the row with the set temperature of 25°C, and the 1st column is the column with the indoor unit energy saving control pattern "Blow rotation: 0 minutes", so the 1st row and 1st column is the row with the set temperature of 25°C. The room temperature near the first indoor unit 31 with respect to the outside temperature T0 when the set temperature is 25°C, the indoor unit energy saving control pattern is set to "Blow rotation: 0 minutes", and the first outdoor unit 21 is operated at 100% capacity. This cell stores the room temperature estimation model for calculating Tr.

Similarly, in each cell from 2nd row and 1st column to 4th row and 1st column, the indoor unit energy saving control pattern of the first indoor unit 31 is set to "air blow rotation, air blowing 0 minutes", and the set temperature is set to 26 degrees Celsius, 27 degrees Celsius, 27 degrees Celsius, respectively. A room temperature estimation model is stored that calculates the room temperature Tr in the vicinity of the first indoor unit 31 with respect to the outside temperature T0 when the first indoor unit 31 is operated at 28° C. and the first outdoor unit 21 is operated at 100% capacity. There is.

Based on the indoor unit operation record database 301 of FIG. 4 described above, the room temperature estimation model generation unit 52 generates a set temperature of the first indoor unit 31 of 26° C., and an indoor unit energy saving control pattern of “Blow Rotation Fan The room temperature estimation model for estimating the room temperature Tr relative to the outside temperature T0 when the first indoor unit 31 and the first outdoor unit 21 are operated under the condition that the outdoor unit energy saving control pattern is "100% capacity" is shown in FIG. 5 or stored as "f123(T0)" in the 2nd row and 3rd column of the indoor unit room temperature estimation model database 401 shown in FIG.

In addition, based on the indoor unit operation record database 302 in FIG. 4, the room temperature estimation model generation unit 52 generates a set temperature of 26° C. for the second indoor unit 32, and an indoor unit energy saving control pattern of "Blow rotation 6 minutes". ”, the room temperature estimation model for estimating the room temperature Tr relative to the outside temperature T0 when the second indoor unit 32 and the first outdoor unit 21 are operated under the condition that the outdoor unit energy saving control pattern is “100% capacity” is shown in FIG. It is stored as "f223(T0)" in the 2nd row and 3rd column of the indoor unit room temperature estimation model database 402 shown in FIG.

Further, based on the indoor unit operation record database 303 in FIG. 4, the room temperature estimation model generation unit 52 generates a set temperature of 26° C. for the first indoor unit 31, and an indoor unit energy saving control pattern of “Blow rotation, 0 minutes of air blow”. ", and the room temperature estimation model for estimating the room temperature Tr relative to the outside temperature T0 when the first indoor unit 31 and the first outdoor unit 21 are operated under the condition that the outdoor unit energy saving control pattern is "90% capacity" is shown in FIG. It is stored as "g123(T0)" in the 2nd row and 3rd column of the indoor unit room temperature estimation model database 404 shown in FIG. Here, the alphabet "g" indicates an energy saving control pattern in which the outdoor unit 20 performs capacity reduction operation.

As explained above, the room temperature estimation model generation unit 52 reads the operating status of each indoor unit 30 and each outdoor unit 20 accumulated in the air conditioner operation record database 300 shown in FIG. A room temperature estimation model for each indoor unit that calculates the room temperature Tr in the vicinity of the air conditioner 30 is generated and stored in the matrix of the room temperature estimation model databases 401 to 404 for each indoor unit of the room temperature estimation model database 400. However, as in the case where the set temperature in the 1st row and 2nd column of the room temperature estimation model database 401 for each indoor unit shown in FIG. A room temperature estimation model is not stored in the condition cell.

Next, the operation of the estimated room temperature calculation section 53 will be described with reference to FIGS. 7 to 11.
Hereinafter, a description will be given assuming that the room temperature estimation model database 400 stores a room temperature estimation model database 410 for each indoor unit shown in FIG. 8. As shown in FIG. 8, in the indoor unit-specific room temperature estimation model database 410, the first outdoor unit 21 connected to the first indoor unit 31 is operated at 100% capacity, and the first indoor unit 31 is arranged in two rows and one column. A room temperature estimation model that calculates the room temperature Tr with respect to the outside temperature T0 when the set temperature is 26° C. and the indoor unit energy saving control pattern is "air blow rotation 0 minutes" is stored as "f121 (T0)". In addition, in the 2nd row and 3rd column, there is a room temperature estimation model that calculates the room temperature Tr relative to the outside temperature T0 when the set temperature of the first indoor unit 31 is 26°C and the indoor unit energy saving control pattern is "Blow rotation 6 minutes". is stored as "f123(T0)". Furthermore, in the 1st row, 5th column and the 3rd row, 5th column, the outside air temperature is shown when the indoor unit energy saving control pattern of the first indoor unit 31 is set to "air blow rotation 15 minutes" and the set temperature is set to 25 degrees Celsius and 27 degrees Celsius, respectively. Room temperature estimation models for calculating room temperature Tr with respect to T0 are stored as "f115(T0)" and "f135(T0)", respectively. Room temperature estimation models are not stored in other cells of the room temperature estimation model database 410 for each indoor unit.

As shown in step S101 in FIG. 7, the estimated room temperature calculation unit 53 determines the calculation conditions for calculating the estimated room temperature, that is, the identification of the indoor unit 30, the set temperature of the indoor unit 30, and the indoor temperature of the indoor unit 30. A machine energy saving control pattern and an outdoor unit energy saving control pattern of the outdoor unit 20 connected to the indoor unit 30 are set. Then, the process advances to step S102 to check whether a room temperature estimation model matching the set calculation conditions is stored in the room temperature estimation model database 410 for each indoor unit.

For example, it is assumed that the first indoor unit 31 is operated at a set temperature of 26°C and "air blow rotation 0 minutes", and the first outdoor unit 21 connected to the first indoor unit 31 is operated at 100% capacity at room temperature Tr. When the calculation condition is set as the room temperature estimation model "f121 (T0)", this calculation condition is stored in the 2nd row and 1st column of the indoor unit room temperature estimation model database 410 shown in FIG. 8. In this case, the estimated room temperature calculation unit 53 determines YES in step S102 of FIG. 7, and proceeds to step S103 of FIG. In step S103 of FIG. 7, the estimated room temperature calculation unit 53 calculates the first indoor unit 31 and the first outdoor unit 21 under the set calculation conditions by inputting the outside temperature T0 to the room temperature estimation model "f121 (T0)". During operation, the room temperature near the first indoor unit 31 relative to the outside temperature T0 is calculated as "T121 (T0)" and stored in the room temperature matrix 510 shown in FIG. Here, the room temperature matrix 510 has the same matrix structure as the room temperature estimation model database 410 for each indoor unit, and the estimated room temperature calculation unit 53 places the calculated room temperature "T121 (T0)" at the same matrix position in the room temperature matrix 510. Store in cells of 2 rows and 1 column.

Similarly, when the set temperature of the first indoor unit 31 is set to 26°C and the indoor unit energy saving control pattern is set to "Blow rotation 6 minutes" as the calculation condition, the indoor unit energy saving control pattern of the first indoor unit 31 is set to "Blow fan rotation 6 minutes". Even when the calculation conditions are set as ``rotation air blowing for 15 minutes'' and the set temperatures are set to 25°C and 27°C, the room temperature estimation model corresponding to each calculation condition is shown in the room temperature estimation model database 410 for each indoor unit shown in FIG. 8. Room temperature estimation models "f123(T0)", "f115(T0)", and "f135(T0)" are stored in the 2nd row, 3rd column, 1st row, 5th column, and 3rd row, column 5th. Therefore, the estimated room temperature calculation unit 53 determines YES in step S102 of FIG. 7, proceeds to step S103 of FIG. )", the room temperature near the first indoor unit 31 relative to the outside temperature T0 when the first indoor unit 31 and the first outdoor unit 21 are operated under the set calculation conditions can be calculated as " T123 (T0),” “T115 (T0),” and “T135 (T0).” Then, the estimated room temperature calculation unit 53 stores the calculated room temperatures “T123 (T0),” “T115 (T0),” and “T135 (T0)” in the same row and column position cells of the room temperature matrix 510.

Then, the estimated room temperature calculation unit 53 outputs the calculated room temperatures “T121 (T0),” “T123 (T0),” “T115 (T0),” and “T135 (T0)” to the display generation unit 54. In step S107 of FIG. 7, the display generation unit 54 adds the room temperature Tr calculated by the estimated room temperature calculation unit 53 to the arrangement image of the indoor unit 30, desk, etc. in the room of the building stored in the air-conditioned space arrangement database 600. A display-side image is generated by superimposing the images, and is displayed on the display unit 55.

On the other hand, when the set temperature of the first indoor unit 31 is 26 degrees Celsius, the indoor unit energy saving control pattern in FIG. Room temperature estimation models are not stored in the cells in the 2nd row and 2nd column, the 2nd row and 4th column, and the 2nd row and 5th column. Therefore, when such calculation conditions are set, the estimated room temperature calculation unit 53 determines NO in step S102 of FIG. 7, proceeds to step S104 of FIG. It is determined whether it is possible to estimate the room temperature Tr when the indoor unit 31 and the first outdoor unit 21 are operated.

The estimated room temperature calculation unit 53 determines whether a room temperature estimation model is stored in two or more cells in one row or one column of the matrix in the indoor unit room temperature estimation model database 410 in step S104 of FIG. do. As shown in FIG. 8, in the second row of the room temperature estimation model database 410 for each indoor unit, two cells in the 2nd row and 1st column and the 2nd row and 3rd column store room temperature estimation models, and the 5th column stores the room temperature estimation model. , the room temperature estimation model is stored in two cells in the 1st row and 5th column and the 3rd row and 5th column. Therefore, the estimated room temperature calculation unit 53 determines YES in step S104 of FIG. 7, proceeds to step S105 of FIG. Using the estimation model, each estimated room temperature is calculated for the outside temperature T0. Note that if the estimated room temperature calculation unit 53 determines NO in step S104 in FIG. 7, it ends the estimated room temperature calculation process.

In step S105 of FIG. 7, the estimated room temperature calculation unit 53 sets the temperature setting of the first indoor unit 31 to 26° C., and sets the indoor unit energy saving control pattern to "Blow rotation: 3 minutes" of the room temperature of the cell in the 2nd row and 2nd column. When trying to estimate "T122 (T0)" or when trying to estimate the room temperature "T124 (T0)" of the cell in 2 rows and 4 columns corresponding to "Blow rotation 9 minutes", As shown in , the room temperature estimation model "f121(T0)" with "Blow rotation 0 minutes" in the 2nd row and 1st column, which has the same conditions but differs only in the indoor unit energy saving control pattern, and the "Film rotation 0 minute" room temperature estimation model in the 2nd row and 3rd column Using the room temperature estimation model "f123 (T0)" with a rotation of 6 minutes, we calculate the outside of the case of ``Blow rotation 0 minutes'' in row 2 and column 1, and the case of 0 minutes of rotation 0 minutes in row 2, column 1. Estimated room temperature "T121 (T0)" and "T123 (T0)" with respect to temperature T0 are calculated. Then, the estimated room temperature calculation unit 53 stores the calculated estimated room temperature in a cell at the same matrix position of the room temperature matrix 510 having the same matrix structure as the room temperature estimation model database 410 for each indoor unit.

Then, the estimated room temperature calculation unit 53 proceeds to step S106 in FIG. 7 and interpolates the calculated estimated room temperature "T121 (T0)" of the cell in the 2nd row and 1st column and the estimated room temperature "T123 (T0)" of the cell in the 2nd row and 3rd column. Then, the room temperature "T122(T0)" relative to the outside temperature T0 of the cell in the 2nd row and 2nd column, and the room temperature "T124(T0)" relative to the outside temperature T0 in the cell in the 2nd row and 4th column are calculated.

The room temperature "T122 (T0)" and "T124 (T0)" are calculated by considering the room temperature matrix 510 as an orthogonal coordinate system, and using one cell of the room temperature matrix 510 as a unit distance, each estimated room temperature "T121" of a plurality of calculated cells is calculated. (T0)" and "T123(T0)" are interpolated and calculated.

Since one cell of the room temperature matrix 510 is taken as a unit distance, as shown in FIG. The distance d2 between the cell in row 2 and column 2 and the cell in row 2 and column 3 is also 1. Then, the room temperature "T122(T0)" relative to the outside temperature T0 of the cell in the 2nd row and 2nd column is calculated by an interpolation formula such as (Formula 2) below.

Further, the distance d4 between the cell in the 2nd row and 1st column of the room temperature matrix 510 and the cell in the 2nd row and 4th column is 3, and the distance d3 between the cell in the 2nd row and 3rd column of the room temperature matrix 510 and the cell in the 2nd row and 4th column is 1. becomes. Then, the room temperature "T124(T0)" with respect to the outside temperature T0 of the cell in the 2nd row and 4th column is calculated by an extrapolation formula such as the following (Formula 3).

Similarly, the estimated room temperature calculation unit 53 calculates the room temperature "T125 (T0 )", or when trying to estimate the room temperature "T145 (T0)" of the cell in 4 rows and 5 columns, which corresponds to the set temperature of 28 degrees Celsius and the indoor unit energy saving control pattern of "Blow rotation: 15 minutes", the adjacent The room temperature estimation model "f115 (T0)" with a set temperature of 25 degrees Celsius and "air rotation for 15 minutes" in row 2 and column 5, and the room temperature estimation model with a set temperature of 27 degrees Celsius and "air rotation for 15 minutes" in rows and 5 of 3 Using "f135(T0)", set temperature 25℃ in row 1 and column 5, "air rotation 15 minutes" and set temperature 27℃ in row 3 and column 5, "air rotation 15 minutes". Estimated room temperature "T115 (T0)" and "T135 (T0)" with respect to outside temperature T0 are calculated. Then, the calculated estimated room temperatures “T115(T0)” and “T135(T0)” are stored in the same cell of the room temperature matrix 510.

As described above about the columns, one cell of the room temperature matrix 510 is taken as a unit distance, so as shown in FIG. becomes 1, and the distance e2 between the cell in the 2nd row and 5th column of the room temperature matrix 510 and the cell in the 3rd row and 5th column also becomes 1. Then, the room temperature "T125(T0)" relative to the outside temperature T0 of the cell in the 2nd row and 5th column is calculated by an interpolation formula such as the following (Formula 4).

Further, the distance e4 between the cell in the 1st row and 5th column of the room temperature matrix 510 and the cell in the 4th row and 5th column is 3, and the distance e3 between the cell in the 3rd row and 5th column of the room temperature matrix 510 and the cell in the 4th row and 5th column is 1. becomes. Then, the room temperature "T145(T0)" relative to the outside temperature T0 of the cell in the 4th row and 5th column is calculated by an extrapolation formula such as the following (Formula 5).

Then, the estimated room temperature calculation unit 53 stores the calculated estimated room temperatures “T125(T0)” and “T145(T0)” in the same cell of the room temperature matrix 510.

Then, the estimated room temperature calculation unit 53 calculates the calculated estimated room temperatures "T121 (T0)", "T122 (T0)", "T123 (T0)", "T124 (T0)", "T125 (T0)", "T115". (T0),” “T135(T0),” and “T145(T0)” are output to the display generation unit 54. In step S107 of FIG. 7, the display generation unit 54 adds each estimate calculated by the estimated room temperature calculation unit 53 to the layout image of the indoor unit 30, desk, etc. in the room of the building stored in the air-conditioned space layout database 600. A display-side image is generated by superimposing the room temperature images, and is displayed on the display unit 55.

As described above, when the first indoor unit 31 is operated with a predetermined set temperature and a predetermined indoor unit energy saving control pattern, and the first outdoor unit 21 is operated with a predetermined outdoor unit energy saving control pattern, the Although estimating the room temperature Tr has been described, the estimated room temperature calculation unit 53 executes steps S101 to S107 in FIG. 7 for the second to sixth indoor units 32 to 36 as well. The second indoor unit 32 when the 6 indoor unit 36 is operated at a predetermined temperature setting and a predetermined indoor unit energy saving control pattern, and the first outdoor unit 21 and the second outdoor unit 22 are operated with a predetermined outdoor unit energy saving control pattern. ~ Each room temperature Tr in the vicinity of the sixth indoor unit 36 can be estimated.

Then, in step S107 of FIG. 7, as shown in FIG. An image is generated by superimposing the displays 64, and an image as shown in FIG. 12 is displayed on the display unit 55. Thereby, it is possible to display the distribution of the room temperature Tr in the vicinity of the first to sixth indoor units 31 to 36 with respect to the outside temperature T0 when the air conditioner 10 is operated at a predetermined temperature setting and a predetermined energy saving control pattern. As a result, the distribution of each room temperature Tr in the vicinity of the first to sixth indoor units 31 to 36 in the air-conditioned space can be visually recognized, and the energy saving control pattern of the first to sixth indoor units 31 to 36 can be adjusted. It becomes easier to do so.

In addition, as shown in FIG. 12, a bar 65 is displayed on the display section 55 that allows you to change the outside temperature T0 to be calculated, and by moving the cursor 66 of this bar 65 with the mouse 155 shown in FIG. The temperature T0 may be changed. As a result, it is possible to visually grasp the changes in each room temperature Tr when the outside temperature T0 changes while looking at the screen, and it is possible to easily adjust the energy saving control pattern of the first to sixth indoor units 31 to 36. can.

The heat load on the first to sixth indoor units 31 to 36 differs depending on where the first to sixth indoor units 31 to 36 are installed, for example, on the window side or on the aisle side. Therefore, when the energy saving control of the air conditioner 10 is executed, the change in room temperature will be different for the first to sixth indoor units 31 to 36, respectively. In the air conditioning system 100 of the embodiment, a room temperature estimation model database 400 stores a plurality of indoor unit room temperature estimation model databases 401 to 404 that estimate each room temperature Tr in the vicinity of each indoor unit 30, and predetermined settings for each indoor unit are stored. If a room temperature estimation model for each indoor unit corresponding to the temperature and a predetermined energy saving control pattern for each indoor unit is not stored, each room temperature Tr for each indoor unit 30 relative to the outside temperature T0 is estimated by interpolation, so the predetermined settings Even if there is no operating record of the air conditioner 10 with the temperature and a predetermined energy-saving control pattern, and the room temperature estimation model corresponding to the predetermined set temperature and the predetermined energy-saving control pattern is not stored in the room temperature estimation model database 400, each indoor Each room temperature Tr relative to the outside temperature T0 of the machine 30 can be estimated. As a result, the change in the room temperature Tr near each indoor unit 30 when energy saving control is performed is estimated, and the energy saving control of each indoor unit 30 is performed so that the change in the room temperature Tr near each indoor unit 30 does not become large. It becomes easy to achieve the target power consumption while performing the operation.

In the above explanation, as shown in FIG. 8, in the second row of the matrix of the indoor unit-specific room temperature estimation model database 410, the cells in which the indoor unit-specific room temperature estimation model is stored are 2nd row, 1st column, and 2nd row. There are two cells in the 3rd column, and in the 5th column, there are two cells in the 1st row, 5th column and 3rd row, 5th column in which the room temperature estimation model for each indoor unit is stored. Therefore, when estimating the room temperature of a cell in which a room temperature estimation model for each indoor unit is not stored, two rows of Linear interpolation was performed in 5 columns using "T115 (T0)" and "T135 (T0)". In other words, when indoor unit-specific room temperature estimation models are stored in two cells in one row or one column of the matrix of the indoor unit-specific room temperature estimation model database 410, each cell in which a room temperature estimation model is stored is Using the estimated room temperature calculated by , linear interpolation was used to calculate the estimated room temperature for cells that do not store a room temperature estimation model for each indoor unit.

However, as explained below, if three or more cells in one row or one column of the matrix of the indoor unit-specific room temperature estimation model database 410 store indoor unit-specific room temperature estimation models, this Not limited to.

For example, in the indoor unit-specific room temperature estimation model database 420 shown in FIG. There are three cells in the 5th column, and the cells in the 3rd column that store the room temperature estimation model for each indoor unit are the 1st row, 3rd column, the 2nd row, 3rd column, and the 4th row, 3rd column. , generate an approximation curve showing the change in the estimated room temperature Tr for the cell arrangement as shown in (Equation 6) and (Equation 7) below, and set the predetermined set temperature for each indoor unit and the indoor temperature based on the generated approximation curve. The estimated room temperature Tr in the vicinity of the indoor unit 30 may be calculated with respect to the outside temperature T0 when the air conditioner 10 is operated according to a predetermined energy saving control pattern for each unit.

（式６）、（式７）おいて、ｎ、ｍはそれぞれ列番号、行番号を示す。

In (Formula 6) and (Formula 7), n and m indicate a column number and a row number, respectively.

In this case, the estimated room temperature calculation unit 53 calculates the room temperature estimation model database 420 by indoor unit at step S105 in step S105 of FIG. The indoor period-specific room temperature estimation models “f121(T0)”, “f123(T0)”, “f125(T0)”, “f113(T0)”, “f143(T0)” are stored in columns 4 and 3, respectively. )" to calculate the estimated room temperature "T121 (T0)", "T123 (T0)", "T125 (T0)", "T113 (T0)", "T143 (T0)" of each cell, and are stored in the cells at the same row and column positions of the room temperature matrix 520 shown in FIG.

Then, in step S106 of FIG. 7, the estimated room temperature calculation unit 53 calculates the estimated room temperature "T121(T0)" and "T123( Based on ``T0)'' and ``T125(T0),'' an approximate curve indicating a change in the estimated room temperature Tr with respect to the arrangement of cell columns is generated as shown in (Formula 6). Then, as shown in FIG. 11, by substituting 2 for n in (Equation 6), the estimated room temperature "T122T0" for the cell in the 2nd row and 2nd column is calculated, and by substituting 4 for n, the estimated room temperature in the 2nd row and 4th column is calculated. The room temperature “T124(T0)” is calculated and stored in the room temperature matrix 520.

Furthermore, in step S106 of FIG. 7, the estimated room temperature calculation unit 53 calculates the estimated room temperature "T113(T0)", "T123(T0)", "T123(T0)", Based on "T143(T0)", an approximate curve indicating a change in the estimated room temperature Tr with respect to the arrangement of cell rows is generated as shown in (Equation 7). Then, as shown in FIG. 11, by substituting 3 for m in (Equation 7), the estimated room temperature "T133T0" for the cell in the 3rd row and 3rd column is calculated, and by substituting 5 for n, the estimated room temperature in the 5th row and 3rd column is calculated. The room temperature “T1535 (T0)” is calculated and stored in the room temperature matrix 520.

In this way, when indoor unit-specific room temperature estimation models are stored in three or more cells in one row or one column of the matrix of the indoor unit-specific room temperature estimation model database 420, interpolation is performed using an approximate curve. This makes it possible to improve the accuracy of estimating the room temperature Tr.

As described above, when indoor unit-specific room temperature estimation models are stored in three or more cells in one row or one column of the matrix of the indoor unit-specific room temperature estimation model database 420, interpolation using an approximate curve is performed. However, the present invention is not limited to this, and as described above with reference to FIGS. 8 and 9, three or more cells in one row or one column of the matrix of the room temperature estimation model database 420 for each indoor unit Even if a room temperature estimation model for each indoor unit is stored, estimation of cells that do not store a room temperature estimation model for each indoor unit is performed using linear interpolation using each estimated room temperature calculated for each cell that stores a room temperature estimation model. Room temperature may also be calculated.

The air conditioning system 100 described above has been explained assuming that the air conditioner 10 is composed of two first and second outdoor units 21 and 22 and six first to sixth indoor units 31 to 36; The machine 10 may include one outdoor unit 20 and one indoor unit 30.

The air conditioning system 100 described above does not have a track record of operating the air conditioner 10 with a predetermined set temperature and a predetermined energy-saving control pattern, and the room temperature estimation model database 400 has a room temperature estimation corresponding to a predetermined set temperature and a predetermined energy-saving control pattern. Even if a model is not stored, the room temperature Tr relative to the outside temperature T0 can be estimated by interpolation. Therefore, sufficient energy saving control of the air conditioner 10 can be performed, and it becomes easy to achieve the target power consumption.

10 air conditioner, 20 outdoor unit, 21, 22 first and second indoor units, 23 outside temperature sensor, 30 indoor units, 31 to 36 first to sixth indoor units, 37 room temperature sensor, 40 controller, 41 control unit, 42 storage unit, 45, 51 communication unit, 48 communication line, 50 room temperature estimation device, 52 room temperature estimation model generation unit, 53 estimated room temperature calculation unit, 54 display generation unit, 55 display unit, 56 storage unit, 60 room, 61 window , 63 desk, 64 room temperature display, 65 bar, 66 cursor, 100 air conditioning system, 150 general-purpose computer, 151 CPU, 152 ROM, 153 RAM, 154 hard disk (HDD), 155 mouse, 156 keyboard, 157 display, 158 input/output interface , 159 network controller, 160 data bus, 200 indoor unit setting database, 300 air conditioner operation record database, 301 to 303 operation record database for each indoor unit, 400 room temperature estimation model database, 401 to 404, 410, 420 room temperature estimation for each indoor unit Model database, 510,520 Room temperature matrix, 600 Air conditioned space layout database.

Claims (6)

air conditioner and
An air conditioning system comprising: a room temperature estimation device that estimates the room temperature relative to the outside temperature when the air conditioner is operated with a predetermined set temperature and a predetermined energy saving control pattern,
The room temperature estimation device includes:
A room temperature estimation model that stores in each cell of a matrix of set temperatures and energy saving control patterns a room temperature estimation model that calculates the estimated room temperature with respect to the outside temperature when the air conditioner is operated according to the corresponding set temperatures and the corresponding energy saving control patterns. database and
an estimated room temperature calculation unit that calculates an estimated room temperature based on the room temperature estimation model database;
The estimated room temperature calculation unit includes:
When the room temperature estimation model database stores a room temperature estimation model corresponding to a predetermined set temperature and a predetermined energy saving control pattern, the room temperature estimation model stored in the room temperature estimation model database is used to calculate the temperature relative to the outside temperature. Calculate the estimated room temperature,
If the room temperature estimation model corresponding to a predetermined set temperature and a predetermined energy saving control pattern is not stored in the room temperature estimation model database, a room temperature estimation model is used in multiple cells in which room temperature estimation models are stored. Calculate each estimated room temperature with respect to the air temperature, and interpolate each of the calculated estimated room temperatures of the plurality of cells to calculate the estimated room temperature with respect to the outside temperature when the air conditioner is operated at a predetermined set temperature and a predetermined energy saving control pattern. thing,
An air conditioning system featuring The air conditioning system according to claim 1,
The estimated room temperature calculation unit includes:
When room temperature estimation models are stored in two cells in one row or one column of the matrix of the room temperature estimation model database, the room temperature estimation model is used in each cell to calculate the estimated room temperature with respect to the outside temperature. , calculating the estimated room temperature relative to the outside temperature when the air conditioner is operated at a predetermined set temperature and a predetermined energy saving control pattern by linearly interpolating each estimated room temperature of each calculated cell;
If room temperature estimation models are stored in three or more cells in one row or one column of the matrix of the room temperature estimation model database, each cell uses the room temperature estimation model to calculate the estimated room temperature relative to the outside temperature. Calculate and linearly interpolate each estimated room temperature of each calculated cell, or generate an approximated curve showing the change in estimated room temperature for the arrangement of cells using each calculated estimated room temperature of each cell, and based on the generated approximated curve. calculating an estimated room temperature relative to the outside temperature when the air conditioner is operated at a predetermined set temperature and a predetermined energy saving control pattern;
An air conditioning system featuring at least one air conditioner including a plurality of indoor units;
An air conditioning system comprising: a room temperature estimating device for estimating each room temperature in the vicinity of each indoor unit relative to the outside temperature when the air conditioner is operated with a predetermined set temperature for each indoor unit and a predetermined energy saving control pattern for each indoor unit. There it is,
The room temperature estimation device includes:
The air conditioner is operated according to the corresponding indoor unit temperature setting and the corresponding indoor unit energy saving control pattern in each cell of the matrix of the predetermined temperature setting for each indoor unit and the predetermined energy saving control pattern for each indoor unit. a room temperature estimation model database storing, for each of the plurality of indoor units, a room temperature estimation model database for each indoor unit storing a room temperature estimation model for each indoor unit that calculates an estimated room temperature near one indoor unit with respect to the outside temperature when
an estimated room temperature calculation unit that calculates each estimated room temperature near each indoor unit based on the room temperature estimation model database;
The estimated room temperature calculation unit includes:
If the room temperature estimation model for each indoor unit corresponding to a predetermined set temperature for each indoor unit and a predetermined energy saving control pattern for each indoor unit is stored in the indoor unit room temperature estimation model database for one indoor unit, The operation of calculating the estimated room temperature near one indoor unit with respect to the outside temperature using the room temperature estimation model for each indoor unit stored in the room temperature estimation model database for each indoor unit is repeatedly executed for each of the plurality of indoor units. Calculate each estimated room temperature near each indoor unit,
If the room temperature estimation model for each indoor unit corresponding to the predetermined set temperature for each indoor unit and the predetermined energy saving control pattern for each indoor unit is not stored in the room temperature estimation model database for each indoor unit, Using the room temperature estimation model for each indoor unit in multiple cells in which the room temperature estimation model for each indoor unit is stored, the estimated room temperature near one indoor unit relative to the outside temperature is calculated, and the calculated room temperature of one indoor unit in each of the multiple cells is calculated. The estimated room temperature in the vicinity is interpolated to calculate the estimated room temperature in the vicinity of the first indoor unit relative to the outside temperature when the air conditioner is operated with a predetermined set temperature for each indoor unit and a predetermined energy-saving control pattern for each indoor unit. repeating the operation for each of the plurality of indoor units to calculate each estimated room temperature near each indoor unit;
An air conditioning system featuring The air conditioning system according to claim 3,
The estimated room temperature calculation unit includes:
When room temperature estimation models are stored in two cells in one row or one column of the matrix of the room temperature estimation model database for each indoor unit, the room temperature estimation model is used in each cell to calculate one indoor temperature estimation model for the outside temperature. The estimated room temperature near each indoor unit is calculated, and the estimated room temperature near one indoor unit in each cell is linearly interpolated to control the air conditioner using a predetermined set temperature for each indoor unit and a predetermined energy-saving control pattern for each indoor unit. Calculate the estimated room temperature near the first indoor unit relative to the outside temperature when operating the
When room temperature estimation models are stored in three or more cells in one row or one column of the matrix of the room temperature estimation model database for each indoor unit, the room temperature estimation model is used in each cell to calculate the Calculate the estimated room temperature near the indoor unit of each cell, linearly interpolate the estimated room temperature near the indoor unit of each cell, or arrange the cells based on the calculated room temperature near the indoor unit of each cell. An approximated curve indicating the change in the estimated room temperature in the vicinity of one indoor unit is generated, and based on the generated approximated curve, the air conditioner is operated at a predetermined set temperature for each indoor unit and a predetermined energy saving control pattern for each indoor unit. Calculating the estimated room temperature near the first indoor unit with respect to the outside temperature during operation;
An air conditioning system featuring The air conditioning system according to claim 3 or 4,
The room temperature estimation device includes a display generation unit that generates a display image by superimposing an image of an air-conditioned space in which a plurality of indoor units are arranged and a distribution of each estimated room temperature in the vicinity of each of the plurality of indoor units;
a display unit that displays the image generated by the display generation unit;
An air conditioning system featuring The air conditioning system according to claim 5,
The display section allows setting of outside temperature,
The room temperature estimating device calculates each estimated room temperature near each indoor unit based on the outside temperature set on the display section, and displays the estimated room temperature on the display section;
An air conditioning system featuring