JP2016031220A - Air-conditioning optimization device and air-conditioning control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air-conditioning optimization device and an air-conditioning control system which are capable of enhancing comfort in an indoor environment.SOLUTION: An air-conditioning optimization device in one embodiment comprises an evaluation value acquisition unit, a first index calculation unit, and a setting value calculation unit. The evaluation value acquisition unit acquires user comfort evaluation values in each zone preset as a part of a series of spaces. The first index calculation unit calculates a first index of the comfort in the zone on the basis of the evaluation values. The setting value calculation unit calculates a setting value of an air conditioner disposed in the zone, on the basis of the first index.SELECTED DRAWING: Figure 1

Description

  Embodiments described herein relate generally to an air conditioning optimization device and an air conditioning control system.

  Conventionally, in a building supervisory control system, in order to improve the comfort of a resident in a room, the room temperature is controlled by a calculation result using a predetermined parameter. However, this method does not take into account low-temperature spots and high-temperature spots generated in the room, individual differences in the occupant's thermal sensation, and the like, and thus there is a limit to improving the occupant's comfort. It was a problem for residents to feel uncomfortable with the indoor environment because it affects work efficiency.

JP-A-9-196434

  An air conditioning optimization device and an air conditioning control system that improve the comfort of an indoor environment are provided.

  An air conditioning optimization device according to an embodiment includes an evaluation value collection unit, a first index calculation unit, and a set value calculation unit. The evaluation value collection unit collects evaluation values of user comfort for each preset zone as a part of a series of spaces. The first index calculation unit calculates the first index of the comfort in the zone based on the evaluation value. The set value calculation unit calculates a set value of the air conditioners arranged in the zone based on the first index.

The top view which shows an example of the room in which the zone was set. The top view which shows the other example of the room in which the zone was set. The block diagram which shows the structure of the air-conditioning control system which concerns on one Embodiment. The figure which shows an example of the correspondence of an IP address and a zone. The block diagram which shows the hardware constitutions of an air-conditioning optimization apparatus. The flowchart which shows the process of an air-conditioning control system. The figure which shows an example of the input screen of an evaluation value. The figure which shows an example of the collected evaluation value.

  Embodiments of the present invention will be described below with reference to the drawings.

  First, configurations of an air conditioning optimization device and an air conditioning control system according to an embodiment will be described with reference to FIGS. FIG. 1 is a block diagram showing a functional configuration of an air conditioning control system according to the present embodiment. As shown in FIG. 1, the air conditioning control system includes a plurality of user terminals 10, an air conditioning optimization device 20, and an air conditioning control device 30.

  A plurality of user terminals 10 are arranged in a series of spaces in a building such as a building or a warehouse where a plurality of air conditioners 40 are arranged. The series of spaces referred to here are spaces that are not partitioned by walls or doors and are under the influence of the same air conditioner 40. The series of spaces is, for example, a room or a passage in a building, but is not limited thereto. In the following, it is assumed that a series of spaces is a room.

  At least one zone is set in the room where the user terminal 10 and the air conditioner 40 are arranged. A zone is a part of a room. The zone is set so that at least one air conditioner 40 arranged in the room and at least one user terminal 10 are included in the space.

  Here, FIG. 2 is a plan view showing an example of a room in which a zone is set. In FIG. 2, the zones are indicated by broken lines, and three zones A, B, and C are set in the room. In each zone A, B, and C, two air conditioners 40 and twelve user terminals 10 are respectively arranged. The number of zones set in the room and the number of user terminals 10 and air conditioners 40 arranged in each zone are arbitrary.

  A user (resident) in the room inputs a comfort evaluation value according to a thermal sensation such as “hot” or “cold” from the user terminal 10 arranged in the room. The evaluation value may be a user's feeling such as “hot” or “cold”, or may be a numerical value according to the heat or cold felt by the user.

  As the user terminal 10, for example, a computer, a mobile phone, a smartphone, a tablet, and a dedicated terminal can be used. In any case, the user terminal 10 is connected to the air conditioning optimization device 20 so as to be communicable in a wired or wireless manner. Evaluation values input from the user terminal 10 by the user are transmitted to the air conditioning optimization device 20 and collected as evaluation values of the zone where the user terminal 10 is arranged.

  Note that the zones may be set such that a plurality of zones overlap as shown in FIG. In this case, the evaluation values input from the user terminals 10 arranged in the overlapping portions of the plurality of zones are collected as the evaluation values of the overlapping zones. For example, the evaluation values input from the user terminal 10 ′ in FIG. 3 are collected as the evaluation values for zones A and B, respectively.

  The air conditioning optimization device 20 calculates a set value for the air conditioner 40 based on the evaluation values collected from the user terminal 10. As shown in FIG. 1, the air conditioning optimization device 20 includes an evaluation value collection unit 21, a first index calculation unit 22, a second index calculation unit 23, a set value calculation unit 24, and a notification unit 25. Prepare.

  The evaluation value collection unit 21 receives evaluation values input by the user from a plurality of user terminals 10 arranged in the room, and collects the received evaluation values for each zone. For example, the evaluation value collection unit 21 stores in advance a correspondence relationship between the IP address or MAC address of each user terminal 10 and the zone in which each user terminal 10 is arranged. When the evaluation value collection unit 21 receives the evaluation value from the user terminal 10, the evaluation value collection unit 21 refers to the IP address or MAC address of the user terminal 10 and the stored correspondence relationship, and specifies the zone of the evaluation value. And the evaluation value collection part 21 memorize | stores an evaluation value for every specified zone.

  FIG. 4 is an example of a table showing a correspondence relationship between IP addresses and zones stored in the evaluation value collection unit 21. For example, the IP address is 192.168.8.0. When the user terminal 10 which is XX1 transmits the evaluation value, the evaluation value collection unit 21 refers to the table of FIG. 4 and stores the evaluation value as the evaluation value of the zone A.

  When a zone is registered in advance in the user terminal 10 and the user terminal 10 transmits zone information specifying the registered zone together with the evaluation value, the evaluation value collection unit 21 evaluates based on the zone information. What is necessary is just to specify the zone of a value.

  The first index calculation unit 22 calculates the first index of each zone based on the evaluation values collected by the evaluation value collection unit 21. A 1st parameter | index is an parameter | index which shows the average comfort which the user in a zone feels. For example, the first index calculation unit 22 calculates an average value, a median value, and a mode value of evaluation values in each zone as the first index. When the evaluation value is a numerical value corresponding to heat or cold, the first index calculation unit 22 calculates an average value or the like of these numerical values as the first index. In addition, when the evaluation value is a user's feeling such as “hot” or “cold”, the first index calculation unit 22 calculates an average value of numerical values corresponding to each evaluation value.

  When there is a user who cannot obtain an evaluation value, that is, when there is a user terminal 10 that has not transmitted the evaluation value, the evaluation value calculation unit 22 calculates the first index using the evaluation value of the user terminal 10 as a predetermined value. Alternatively, the first index may be calculated by excluding the evaluation value.

  The second index calculation unit 23 calculates a second index of comfort based on at least one parameter that affects user comfort. The second index may be calculated for each zone or may be calculated for each room in which the zone is set. The parameters are, for example, indoor temperature, humidity, radiation (radiation) temperature, wind speed, amount of clothes, metabolic rate, convective heat transfer, and radiant heat transfer, but are not limited thereto. The second index is, for example, an operating temperature, a discomfort index, and a PMV (Predicted Mean Vote), but is not limited thereto. Hereinafter, a case where the second index is PMV will be described.

  PMV is a comfort index that is evaluated by dividing a person's comfort into seven stages of “hot”, “warm”, “slightly warm”, “neither”, “slightly cool”, “cool”, and “cold”. PMV values are values from +3 to -3, +3 is "hot", +2 is "warm", +1 is "slightly warm", 0 is "neither", -1 is "slightly cool", -2 Corresponds to “cool” and −3 corresponds to “cold”. When the PMV value is 0, the comfort is highest. The PMV value is calculated by an equation called a comfort equation based on the indoor temperature, humidity, radiation (radiation) temperature, wind speed, clothing amount, and metabolic rate.

  The second index calculation unit 23 acquires environmental parameters such as temperature, humidity, radiation (radiation) temperature, and wind speed from the air conditioning control device 30 and various sensors installed in the building, or uses the acquired information. Calculate based on Moreover, the 2nd parameter | index calculation part 23 uses the value input beforehand by the operator of the air-conditioning optimization apparatus 20 as a parameter regarding users, such as a clothing amount and a metabolic rate.

  The set value calculation unit 24 calculates the set value of the air conditioner 40 of each zone based on the first index of each zone and the second index of each zone. The second index of each zone is a value calculated for the zone when the second index is calculated for each zone, and when the second index is calculated for each room, The value of the room where the zone is set. The set value calculated by the set value calculation unit 24 is, for example, the set temperature of the air conditioner 40, but is not limited thereto.

  When the set value calculation unit 24 acquires the first index and the second index, the set value calculation unit 24 calculates the set value so that the user's comfort is high. Specifically, the set value is calculated so that the comfort indicated by the first index is high. This is because the first index is an index based on comfort actually evaluated by the user. For example, when the first index indicates that the user in the zone feels “hot” (“cold”), the set value calculation unit 24 sets the current set temperature as the set temperature of the air conditioner 40. Calculate the lower (higher) set temperature.

  The notification unit 25 notifies a user in each zone of a predetermined message based on the first index of each zone and the evaluation value of the user in that zone. The message is notified, for example, by displaying the message on the display of the user terminal 10 that has transmitted an evaluation value that is a predetermined value or more away from the first index. Since the first index is an average value of evaluation values in the zone, a user who has transmitted an evaluation value far from the first index is considered to be a “hot” or “cold” user in the zone. . The notification unit 25 notifies these users of a proposal for improving comfort as a message. For example, the notification unit 25 notifies the “cold” user of a message that prompts the user to wear a jacket.

  The air conditioning control device 30 acquires the set value of the air conditioner 40 for each zone calculated by the air conditioning optimization device 20, and controls the air conditioner 40 of each zone based on the acquired set value. The air conditioning control device 30 is, for example, a BA system (Building Agent System), a BEMS (Building energy Management System), a BEEMS (Building Environment and Energy Management System), or a HEMS (Home Energy Management System), but is not limited thereto. Absent. The function of the air conditioning control device 30 is realized by a computer executing a program.

  Next, a hardware configuration of the air conditioning optimization device 20 according to the present embodiment will be described with reference to FIG. The air conditioning optimization device 20 according to the present embodiment is configured by a computer. Here, FIG. 5 is a block diagram showing a hardware configuration of the air conditioning optimization device 20. As shown in FIG. 5, the computer 100 includes a CPU 101, an input device 102, a display device 103, a communication device 104, a main storage device 105, and an external storage device 106, which are mutually connected by a bus 107. It is connected to the.

  A CPU (central processing unit) 101 executes an air conditioning optimization program on the main storage device 105. The air conditioning optimization program is a program that realizes each functional configuration of the air conditioning optimization device 20 described above. Each functional configuration is realized by the CPU 101 executing the air conditioning optimization program.

  The input device 102 is a device for inputting data and commands to the computer 100 from the outside. The input device 102 may be a device for direct input by the user, such as a keyboard, a mouse, and a touch panel. Further, the input device 102 may be a device such as a USB that enables input from an external device, or software.

  The display device 103 is a display that displays a video signal output from the computer 100. The display device 103 is, for example, an LCD (liquid crystal display), a CRT (CRT), and a PDP (plasma display), but is not limited thereto. Information such as the evaluation value, the first index, the second index, and the set value can be displayed on the display device 103.

  The communication device 104 is a device for the computer 100 to communicate with an external device such as the user terminal 10 or the air conditioning control device 30. The computer 100 performs wireless communication or wired communication with an external device through a communication device 104 by a predetermined communication method. The communication device 104 is, for example, a modem or a router, but is not limited thereto. The evaluation values collected by the evaluation value collection unit 21 and the messages notified by the notification unit 25 are communicated with the user terminal 10 via the communication device 104. The setting value calculated by the setting value calculation unit 24 is communicated with the air conditioning control device 30 via the communication device 104.

  When executing the air conditioning optimization program, the main storage device 105 stores the air conditioning optimization program, data necessary for executing the air conditioning optimization program, data generated by executing the air conditioning optimization program, and the like. The air conditioning optimization program is developed and executed on the main storage device 105. The main storage device 105 is, for example, a RAM, a DRAM, or an SRAM, but is not limited thereto. The evaluation value, the first index, the second index, the set value, and the like are stored on the main storage device 105 or the external storage device 106. The main storage device 105 may store the OS, BIOS, and various middleware of the computer device.

  The external storage device 106 stores an air conditioning optimization program, data necessary for executing the air conditioning optimization program, data generated by executing the air conditioning optimization program, and the like. These programs and data are read to the main storage device 105 when the air conditioning optimization program is executed. The external storage device 106 is, for example, a hard disk, an optical disk, a flash memory, and a magnetic tape, but is not limited thereto.

  Note that the air conditioning optimization program may be installed in advance in the computer 100 or may be stored in a storage medium such as a CD-ROM. The air conditioning optimization program may be uploaded on the Internet.

  Next, the operation of the air conditioning control system according to the present embodiment will be described with reference to FIGS. FIG. 6 is a flowchart showing processing of the air conditioning control system according to the present embodiment. In the following, it is assumed that the air conditioning control system controls the air conditioner 40 in the room of FIG. In addition, the second index is a PMV calculated for each room.

  In step S1, the user terminal 10 displays an evaluation value input screen on the display. FIG. 7 is a diagram illustrating an example of the input screen. The input screen of FIG. 7 displays options indicating the user's feelings of “very hot”, “hot”, “satisfied”, “cold”, and “very cold”. The user inputs an evaluation value by selecting one of these options. Thus, by displaying the evaluation value as several options, the user can easily input the evaluation value.

  After inputting the evaluation value from the input screen, the user performs an operation for transmitting the evaluation value and transmits the evaluation value to the air conditioning optimization device 20. In the case of the input screen of FIG. 7, the user performs a transmission operation by pressing a “Send” button.

  In step S2, the evaluation value collection unit 21 collects the evaluation values received from each user terminal 10 in the room for each zone. FIG. 8 is a diagram illustrating an example of the evaluation values of the zone A collected by the evaluation value collection unit 21. The evaluation value collection unit 21 similarly collects evaluation values for the zones B and C with reference to the correspondence relationship as shown in FIG. Note that the evaluation value “−” in FIG. 8 indicates that the evaluation value could not be collected from the user terminal 10.

  In step S3, the first index calculation unit 22 calculates the first index. For example, when the evaluation value is set as shown in FIG. 7, the first index calculation unit 22 sets “very hot” to 2, “hot” to 1, “satisfied” to 0, “cold” to −1, “Very cold” is made to correspond to −2, and the average value is calculated for each zone.

  For example, the first index calculation unit 22 calculates the first index assuming that the evaluation value of the user terminal 10 that has not obtained an evaluation value is a predetermined value. As this predetermined value, for example, an evaluation value corresponding to the highest user comfort is used. When the evaluation value is set as shown in FIG. 7, the predetermined value is “satisfied”. In this case, since the evaluation value of zone A is “very hot”, “hot”, “satisfied”, “satisfied”, “satisfied”, the first index of zone A is (2 + 1 + 0 + 0 + 0) /5=0.6.

  Moreover, the 1st parameter | index calculation part 22 may exclude the evaluation value of the user terminal 10 which could not obtain an evaluation value, and may calculate a 1st parameter | index. In this case, the evaluation value of the zone A is “very hot”, “hot”, “satisfied”, “satisfied”, so the first index of the zone A is (2 + 1 + 0 + 0) /4=0.75.

  In step S4, the second index calculation unit 23 calculates the PMV of the room in FIG. 2 as the second index. As described above, the second index may be calculated for each zone, or may not be PMV.

  In step S5, the set value calculation unit 24 acquires the first index and the second index, and calculates a set temperature for each zone based on the first index and the second index. Here, if the room temperature is T (° C.), PMV is a function of temperature, so the PMV value can be expressed as PMV (T). The set value calculation unit 24 calculates the set temperature T ′ by solving, for example, PMV (T ′) + first index = target value.

  The target value is the target value of the PMV value when the first index is 0. Since the comfort is highest when the PMV value is 0, the target value is set to 0, for example. However, the target value is not limited to this, and may be any value between −0.5 and 0.5. For example, by setting the target value to 0.5 (−0.5), the power consumption of the air conditioner 40 in summer (winter) can be reduced while maintaining comfort.

  In the above formula, for example, when the first index is a positive value, PMV (T ′) is smaller than the target value. That is, when the user feels “hot”, the set temperature T ′ is calculated so that PMV (T ′) becomes small. Thus, the set temperature T ′ is lower than the room temperature T at which PMV (T) = target value when the first index is 0. When the first index is a negative value, PMV (T ′) is larger than the target value. That is, when the user feels “cold”, the set temperature T ′ is calculated so that PMV (T ′) increases. Accordingly, the set temperature T ′ becomes higher than the room temperature T at which PMV (T) = target value when the first index is 0. Therefore, the set temperature T ′ is calculated so as to increase the comfort indicated by the first index, that is, the comfort felt by the user.

  In the above formula, a value obtained by modifying the first index so as to be easily compared with the PMV value may be used instead of the first index. For example, a value obtained by multiplying the value of the first index by 7/5 may be used instead of the first index.

  In step S6, the air conditioning control device 30 acquires the set temperature of each zone calculated by the set value calculation unit 24, and controls the air conditioner 40 of each zone according to the set temperature. That is, the air conditioning control device 30 controls the two air conditioners 40 arranged in the zone A according to the set temperature of the zone A. The same applies to zones B and C.

  In step S <b> 7, the notification unit 25 acquires the evaluation value of each user terminal 10 from the evaluation value collection unit 21, and acquires the first index of each zone from the first index calculation unit 22. The notification unit 25 calculates, for each user terminal 10, the degree of variation in the evaluation value with respect to the first index of the zone. The degree of variation is, for example, a difference in evaluation value with respect to the first index, standard deviation, and variance. The notification unit 25 extracts a user whose degree of variation is a predetermined value or more as a “hot” or “cold” user, and transmits a message to the user terminal 10 of the extracted user.

  The air conditioning control system performs the above processing by batch processing for each zone. Further, the air conditioning control system may execute the above processing at predetermined time intervals such as every hour, or may be executed in response to a request from an operator of the air conditioning control system, or a user May be executed in response to any event related to the air conditioner 40, such as changing the set value of the air conditioner 40.

  As described above, the air conditioning control system according to the present embodiment executes the control of the air conditioner 40 based on the user's evaluation value for each zone. For example, when zone A in FIG. 2 is a hot spot, if the air conditioner 40 is controlled for each room, the user in zone A feels hotter than the users in zones B and C. Comfort may be reduced. However, when the air conditioner 40 is controlled for each zone as in the air conditioning control system according to the present embodiment, the set temperature of the air conditioner 40 in the zone A is set to the zone B, based on the evaluation value of the user in the zone A. Since the temperature can be lower than the set temperature of the C air conditioner 40, the comfort of the user in the zone A can be improved.

  As described above, according to the air conditioning control system according to the present embodiment, the air conditioner 40 can be controlled in consideration of the low temperature spot and the high temperature spot generated in the room and the individual difference in the thermal sensation of the resident. The comfort of the indoor environment can be improved.

  Note that the air conditioning optimization device 30 may be configured not to include at least one of the second index calculation unit 23 and the notification unit 25. When the air conditioning optimization device 30 does not include the second index calculation unit 23, the set value calculation unit 24 calculates a set value based on the first index. In this case, the set value calculation unit 24 may store the set value of the air conditioner 40 corresponding to the first index in advance.

  In the above description, the zone is a part of the room, but the zone is for calculating at least one group of air conditioners 40 controlled according to the same set value and the set value of the group. This is equivalent to the correspondence with at least one group of user terminals 10 for which the evaluation value is used. That is, the zone can be said to be a visual representation of the correspondence between the group of air conditioners 40 and the group of user terminals 10.

  When considering the zone as such a correspondence relationship, each group of air conditioners 40 includes a part of the air conditioner 40 arranged indoors, and each group of the user terminals 10 is arranged indoors. A part of the user terminal 10 is included. This corresponds to the zone being visualized as part of the room.

  Note that the present invention is not limited to the above-described embodiments as they are, and can be embodied by modifying the components without departing from the scope of the invention in the implementation stage. Moreover, various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above embodiments. Further, for example, a configuration in which some components are deleted from all the components shown in each embodiment is also conceivable. Furthermore, you may combine suitably the component described in different embodiment.

10: user terminal, 20: air conditioning optimization device, 21: evaluation value collection unit, 22: first index calculation unit, 23: second index calculation unit, 24: set value calculation unit, 25: notification unit, 30: air conditioning Control device, 40: air conditioner

Claims (10)

An evaluation value collection unit that collects evaluation values of user comfort for each preset zone as part of a series of spaces;
A first index calculation unit that calculates a first index of the comfort in the zone based on the evaluation value;
A set value calculating unit that calculates a set value of an air conditioner arranged in the zone based on the first index;
Air conditioning optimization device comprising The air conditioning optimization device according to claim 1, wherein one or a plurality of the zones are set for the series of spaces. The air conditioning optimization device according to claim 1 or 2, wherein the zones can be set so as to overlap in the series of spaces. The air conditioning optimization device according to any one of claims 1 to 3, wherein the setting value calculation unit calculates the setting value so that the comfort of the user is increased. A second index calculating unit that calculates a second index of comfort in the zone based on at least one parameter that affects the comfort;
The air conditioning optimization device according to any one of claims 1 to 4, wherein the set value calculation unit calculates the set value based on the first index and the second index in the zone. The air conditioning optimization device according to claim 5, wherein the second index is PMV. The air conditioning optimization device according to any one of claims 1 to 6, wherein the set value is a set temperature of the air conditioner. 8. The notification unit according to claim 1, further comprising a notification unit configured to notify a predetermined message to the user in the zone based on the first index of the zone and the evaluation value of the user. Air conditioning optimization device. The air conditioning optimization device according to any one of claims 1 to 8,
An air conditioning control device that controls the air conditioner based on the set value calculated by the set value calculation unit of the air conditioning control device;
An air conditioning control system. The air conditioning optimization device according to any one of claims 1 to 8,
A plurality of user terminals that transmit the evaluation value of the comfort inputted by the user to the evaluation value collection unit;
An air conditioning control system.

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