WO2016158852A1 - Air conditioning control device, air conditioning control method, and program - Google Patents
Air conditioning control device, air conditioning control method, and program Download PDFInfo
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- WO2016158852A1 WO2016158852A1 PCT/JP2016/059894 JP2016059894W WO2016158852A1 WO 2016158852 A1 WO2016158852 A1 WO 2016158852A1 JP 2016059894 W JP2016059894 W JP 2016059894W WO 2016158852 A1 WO2016158852 A1 WO 2016158852A1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/50—Load
Definitions
- the present invention relates to an air conditioning management device, an air conditioning management method, and a program.
- the load applied to the air conditioner is calculated based on the input building information, and the air conditioner that maximizes the COP at the load with high occurrence frequency is selected to help reduce the life cycle cost.
- a selection method for example, Patent Document 1.
- the load on the air conditioner is calculated based on the inputted weather conditions, the structure of the walls and windows, the number of people in the room, the building information such as the ventilation amount.
- the floor plan and design drawing of the building can be easily obtained, or that the site is surveyed, and because there are many parameters necessary for calculating the load, it is complicated and troublesome. A simple method is desired.
- the present invention has been made to solve the above-described problem, and an air-conditioning management apparatus, an air-conditioning management method, and a program capable of constructing an optimal air-conditioning system while considering changing the number of outdoor units
- the purpose is to provide.
- an air conditioning management device includes: A first group comprising a first outdoor unit and at least one indoor unit connected to the first outdoor unit; a second outdoor unit; and at least one indoor unit connected to the second outdoor unit; An acquisition means for acquiring operation data indicating an operation state of the first outdoor unit and operation data indicating an operation state of the second outdoor unit from an air conditioning system including the second group configured by: A determination result as to whether or not at least one of the first group and the second group should be reconfigured based on a load generated in the first outdoor unit and a load generated in the second outdoor unit is output.
- Output means Is provided.
- the first group and the second group based on at least one of a load generated in the first outdoor unit included in the first group and a load generated in the second outdoor unit included in the second group.
- a determination result of whether or not at least one of them should be reconfigured is output. Therefore, according to the present invention, it is possible to provide an air conditioning management device, an air conditioning management method, and a program that allow an optimal air conditioning system to be constructed while considering changing the number of outdoor units.
- FIG. 1 It is a figure which shows the schematic structure of an air conditioning system. It is a figure which shows the hardware constitutions of an air-conditioning management apparatus. It is a figure which shows the functional structure of an air-conditioning management apparatus. It is a figure which shows the example of the relationship between the capability of an outdoor unit, and occurrence frequency. It is a figure which shows the other example of the relationship between the capability of an outdoor unit, and occurrence frequency. It is a figure for demonstrating integration of two groups. It is another figure for demonstrating integration of two groups. It is a figure for demonstrating the division
- FIG. 1 shows a configuration of an air conditioning system 100 according to the present embodiment.
- a part composed of one outdoor unit 1 and one or more indoor units 2 connected to the outdoor unit 1 is referred to as one group.
- one outdoor unit 1 is included in one group.
- the number of indoor units 2 included in one group is not limited to two and is arbitrary.
- the number of groups included in the air conditioning system 100 is not limited to two and is arbitrary.
- the air conditioning management device 50 acquires operation data indicating the operation state of the outdoor unit 1 and the indoor unit 2 such as an operation time and an operation mode for each group, for each outdoor unit 1 or for each indoor unit 2, and acquires the acquired operation. Save the data. Then, the air conditioning management device 50 presents information indicating the optimum configuration of the air conditioning system 100 to the user (for example, an administrator of the air conditioning system) based on the accumulated operation data.
- the air conditioning management device 50 acquires the operation data of the outdoor unit 1 and the indoor unit 2 from the outdoor unit 1 included in each group via a dedicated communication network.
- the air conditioning management device 50 may acquire operation data via the Internet, LAN (Local Area Network), WAN (Wide Area Network), or the like.
- the communication unit 201 receives operation data from the outdoor unit 1 of each group.
- the image processing unit 202 generates screen data and displays it on the display device.
- the air conditioning management device 50 includes a display 251 as a display device.
- the input unit 203 acquires a signal indicating an operation by the user and inputs the signal to the control unit 204.
- the control unit 204 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory), and controls the entire air conditioning management device 50.
- CPU Central Processing Unit
- ROM Read Only Memory
- RAM Random Access Memory
- the storage unit 205 includes a nonvolatile storage device such as a hard disk or a flash memory, and stores various programs for controlling the air conditioning management device 50, an operating system (OS), image data, acquired operation data, and the like.
- a nonvolatile storage device such as a hard disk or a flash memory
- FIG. 3 the functional structure of the air-conditioning management apparatus 50 is shown.
- the control unit 204 controls the communication unit 201 to acquire operation data indicating the operation state of the outdoor unit 1 from the outdoor unit 1 and store it in the storage unit 205.
- the control unit 204 controls the communication unit 201 to acquire operation data indicating the operation state of the indoor unit 2 from the indoor unit 2 and store it in the storage unit 205.
- the control unit 204 and the communication unit 201 cooperate to function as an acquisition unit 301 that acquires operation data.
- the storage unit 205 functions as an operation data storage unit 302 that stores operation data.
- the control unit 204 calculates the relationship between the load generated by the outdoor unit 1 and / or the indoor unit 2 and the frequency of occurrence based on the acquired operation data.
- the control unit 204 functions as the calculation unit 303.
- the control unit 204 calculates the air conditioning capacity of the outdoor unit 1 from the compressor frequency, the refrigerant condensing pressure, the evaporating pressure, the opening degree of the expansion valve, and the like for a certain period, and the generated load and the frequency of occurrence thereof. And calculate the relationship.
- the load generated in one group is regarded as the capacity of the outdoor unit 1. For example, if there is a difference between the target temperature value and the current temperature value in a group, or if there is a difference between the target humidity value and the current humidity value, a load is generated in that group. To do. That is, when an event that requires various operations (cooling operation, heating operation, dehumidifying operation, and humidifying operation) occurs in a certain group, a load is generated in that group.
- FIG. 4 shows an example of the relationship between the load (or capacity) calculated from the operation data and the occurrence frequency.
- the relationship between the generated load (unit: kilowatts) and the frequency of occurrence is plotted for the Nth group (N is an integer not less than 1 and not more than the total number of groups).
- a load factor unit: percent
- the number of times a load of a certain size has occurred may be considered as the frequency of occurrence of that load, or the total length of periods during which a certain size of load has occurred is the load of that size. It may be considered as the occurrence frequency.
- the load (or capacity) applied to the outdoor unit 1 of the Nth group when the occurrence frequency is maximum is represented as ⁇ P_N .
- the generated maximum load (or maximum capacity ratio) is expressed as ⁇ MAX_N .
- FIG. 5 shows an example of the relationship between the load generated in each group and the frequency of occurrence in the air conditioning system 100 having the first group 10 and the second group 20.
- the environment in which each group is placed is different, so the relationship between the load and the frequency of occurrence is also different.
- the maximum load ⁇ MAX — 1 generated in the first group 10 is equal to or less than the capacity ⁇ 1 of the outdoor unit 1 A in the first group 10 and the maximum load generated in the second group 20.
- ⁇ MAX — 2 is equal to or less than the capacity ⁇ 2 of the outdoor unit 1B in the second group 20, that is, when ⁇ MAX — N ⁇ ⁇ N
- the control unit 204 integrates the first group 10 and the second group 20 and Determine that it should be in one group.
- the control unit 204 functions as a determination unit 304 that determines whether or not the first group 10 and the second group 20 should be reconfigured.
- the reconfiguration means, for example, integration of the first group 10 and the second group 20 or division of the first group 10 or the second group 20.
- control part 204 selects the outdoor unit 1 which has the capacity
- generated maximum load ( (phi) MAX_1 + (phi) MAX_2 ), and is energy efficient as the new outdoor unit 1 after integration.
- the control unit 204 functions as a selection unit 305 that selects the outdoor unit 1 after reconfiguration.
- the control unit 204 controls the image processing unit 202 to determine whether or not the first group 10 and the second group 20 should be reconfigured and / or information indicating the outdoor unit 1 after reconfiguration. Is displayed on the display 251.
- the control unit 204 and the image processing unit 202 cooperate to function as the output unit 306. Instead of displaying the determination result on whether or not the first group 10 and the second group 20 should be reconfigured and / or information indicating the reconfigured outdoor unit 1 on the display 251, the control unit 204 Alternatively, the data may be transmitted to another computer (not shown) connected to the air conditioning management device 50, and the computer that has received these may be displayed on the display device.
- the capacity ⁇ represents a guideline of the upper limit value of the load at which the outdoor unit 1 can be safely operated.
- Capacity phi X of the outdoor unit 1 after integration the maximum load phi MAX_1 generated in the first group 10 before integration, is the maximum load phi MAX_2 generated in the second group 20 before integration, the total value or more .
- the outdoor unit 1 having good energy efficiency is, for example, an outdoor unit 1 having a year-round energy consumption efficiency (APF) described in a catalog larger than a predetermined reference value.
- APF year-round energy consumption efficiency
- FIG. 7 shows an example of integration in which the existing first group 10 and second group 20 are integrated into one group. Integration, the capacitance phi X of one outdoor unit 1C into four indoor units 2A, 2B, 2C, is one of the group 2D was linked constructed.
- the cost required for maintenance of the entire air conditioning system 100 can be reduced, and the space for installing the outdoor unit 1 can be reduced.
- the control unit 204 determines that it should divide the first group 10 in two. Then, the control unit 204 includes (1) the outdoor unit 1 having a capacity ⁇ X1 that is equal to or greater than the maximum load ⁇ MAX — X 1 that is expected to be generated and has high energy efficiency as the two new outdoor units 1 after the division. (2) The outdoor unit 1 having a capacity ⁇ X2 equal to or greater than the maximum load ⁇ MAX — X2 expected to be generated and having high energy efficiency is selected.
- FIG. 9 shows an example of dividing one existing group into two groups.
- the split, and one group of two indoor units 2A to the outdoor unit 1X, 2B have been linked capacity phi X1, two indoor units 2C to one outdoor unit 1Y capacity phi X2, and groups 2D were linked Is configured.
- one group is divided into two groups when dividing, but one group may be divided into three or more groups.
- COP energy consumption efficiency
- FIG. 10 the example of the relationship between the load (or capability) concerning the outdoor unit 1 and COP is shown.
- load or capability
- COP the relationship between the load (or capability) concerning the outdoor unit 1 and COP.
- the load (or capacity) when the COP of the Nth outdoor unit 1 is maximized is expressed as ⁇ COPMAX_N .
- FIG. 11 shows the relationship between the load and COP applied to each group before and after the integration when the air conditioning system 100 includes the first group 10 and the second group 20.
- the control unit 204 connects the first group 10 and the second group 20. Determine that they should be merged into a single group. Then, the control unit 204 has the capacity ⁇ X that is equal to or greater than the maximum load ⁇ MAX — X that is expected to be generated as the new outdoor unit 1 after integration, and the loads ⁇ PX and COP when the occurrence frequency is maximum.
- the outdoor unit 1 that matches the load ⁇ COPMAX_X when the maximum value of is selected. In the case there is no such an outdoor unit 1 has a maximum load phi MAX_N more capacity phi X that is expected to occur, and the load phi PX and COP when the frequency of occurrence is the largest takes the maximum value The outdoor unit 1 having the smallest difference from the current load ⁇ COPMAX_X is selected.
- the control unit 204 determines that the first group 10 should be divided. Then, the control unit 204 has (1) a capacity ⁇ X1 that is equal to or greater than the maximum load ⁇ MAX — X1 that is expected to be generated as the two outdoor units 1 after the division, and the load ⁇ when the occurrence frequency is maximum.
- the load ⁇ P_X1 and the COP when the generation frequency is maximum and the capacity ⁇ X1 is greater than the maximum load ⁇ MAX_X1 expected to be generated are the maximum.
- the outdoor unit 1 having the smallest difference from the load ⁇ COPMAX_X1 when the value is reached is selected.
- the load ⁇ P_X2 and COP having the capacity ⁇ X2 greater than or equal to the maximum load ⁇ MAX_X2 expected to be generated and the frequency of occurrence being the maximum are selected.
- the system 100 can be constructed.
- control unit 204 determines that two groups should be integrated or one group should be divided based on the relationship between the load applied to the outdoor unit 1 and its occurrence frequency. Focus on the indoor unit 2 instead of the outdoor unit 1, and based on the relationship between the load (or capacity) applied to the indoor unit 2 and the frequency of occurrence, the two groups should be integrated, or one group You may make it discriminate
- the first group 10 is composed of one outdoor unit 1A and two indoor units 2A and 2B
- the second group 20 is composed of one outdoor unit 1B and two indoor units 2C and 2D.
- the structural example of the air-conditioning system 100 is shown.
- FIG. 13 shows the relationship between the load applied to the indoor unit 2A and its occurrence frequency, and the relationship between the load applied to the indoor unit 2B and its occurrence frequency.
- the control unit 204 acquires operation data including information such as power consumption, operation mode, and operation time from the indoor units 2A, 2B, 2C, and 2D, and stores the operation data in the storage unit 205.
- the storage unit 205 stores a history of operation data of the indoor units 2A, 2B, 2C, and 2D. Based on the operation data stored in the storage unit 205, the control unit 204 acquires information (typically, the graph shown in FIG. 13) indicating the relationship between the load applied to each indoor unit 2 and its occurrence frequency. .
- the maximum load on the indoor unit 2A has occurred is expressed as ⁇ MAX_2A, it represents the rated capacity of the indoor units 2A and phi 2A.
- the maximum load on the indoor unit 2B has occurred is expressed as ⁇ MAX_2B, it represents the rated capacity of the indoor units 2B and phi 2B.
- Maximum load phi MAX_2A that the indoor unit 2A has occurred is less capacity phi 2A of the indoor unit 2A, and, if the maximum load phi MAX_2B generated in the indoor unit 2B is within the capacity phi 2B of the indoor unit 2B, i.e. ⁇ MAX_N ⁇ for phi N, the control unit 204 determines that integrates the indoor unit 2A and the indoor unit 2B should be one of the indoor unit 2. And the control part 204 selects the indoor unit 2 which has capacity
- generated maximum load ( phiMAX_2A + phimax_2B ) as the new indoor unit 2 after integration.
- control unit 204 grasps the maximum load generated in each indoor unit 2, and selects a new indoor unit 2 having a capacity greater than the generated maximum load. Avoid the capacity shortage of the machine 2.
- control unit 204 can determine that the number of indoor units 2 should be increased, or can determine that the type of the indoor unit 2 should be changed.
- control unit 204 may increase the cost, so the control unit 204 minimizes the number of indoor units 2 to be added. For example, as shown in FIG. 14, the control unit 204 replaces the indoor unit 2A with two new indoor units 2E and 2F having a capacity not exceeding the maximum load generated in the indoor unit 2A based on the operation data. Select.
- control unit 204 may select the indoor unit 2 having different specifications, for example, changing the indoor unit 2 from the four-direction blowing type to the two-direction blowing type. . Also at this time, the control unit 204 selects the indoor unit 2 having a capacity equal to or greater than the generated maximum load.
- the air conditioning system 100 having a high energy saving effect without impairing comfort and avoiding an increase in cost.
- the air conditioning system 100 includes a first group 10 and a second group 20.
- a user typically, an administrator of the air conditioning system 100 instructs the air conditioning management device 50 to diagnose the current air conditioning system 100
- the air conditioning management device 50 is an outdoor unit stored in the air conditioning management device 50.
- the outdoor unit 1 and the indoor unit 2 acquire operation data including measurement date and time, information indicating an operation mode such as cooling and heating, power consumption, and the like at a regular timing such as an interval of 10 minutes and store it in a memory. To do.
- the memory of the outdoor unit 1 and the indoor unit 2 stores the history of operation data as shown in FIG.
- the operation data acquired at one measurement date and time is called one record. If the measurement interval is 10 minutes, 6 records are accumulated per hour.
- the control unit 204 of the air conditioning management device 50 acquires operation data from each of the one or more outdoor units 1 and the one or more indoor units 2 included in the air conditioning system 100, and stores the acquired operation data in the storage unit 205. Save (step S1501).
- the control unit 204 of the air conditioning management device 50 requests the outdoor unit 1 and the indoor unit 2 to transmit operation data once a day at a predetermined time, and the outdoor unit 1 and the indoor unit 2 request this request.
- the operation data stored in the memory of the outdoor unit 1 and the indoor unit 2 is transmitted to the air conditioning management device 50. Note that the timing at which the air conditioning management device 50 requests the outdoor unit 1 and the indoor unit 2 to transmit operation data is arbitrary.
- the outdoor unit 1 and the indoor unit 2 may transmit the operation data stored in the memory to the air conditioning management device 50 at a predetermined periodic timing regardless of a request from the air conditioning management device 50. Good.
- control part 204 of the air-conditioning management apparatus 50 may acquire operation data from the outdoor unit 1 and the indoor unit 2 every time operation data is acquired by the outdoor unit 1 and the indoor unit 2, for example, one day.
- a plurality of driving data may be acquired together, such as acquiring all the driving data for one day at a time.
- control unit 204 may execute the process of step S1501 independently of the analysis process shown in FIG.
- control unit 204 determines whether or not a start condition for starting the analysis of the operation data is satisfied (step S1502).
- the start condition is, for example, “the amount of operation data accumulated in the storage unit 205 of the air conditioning management device 50 is equal to or greater than a predetermined amount”.
- the control unit 204 determines that the start condition is satisfied when the number of records of operation data stored in the storage unit 205 is equal to or greater than a predetermined number.
- the start condition may be “the current date and time has become a predetermined date and time”.
- the control unit 204 determines that the start condition is satisfied when the current date and time measured by the timer of the air conditioning management device 50 is a predetermined date and time, for example, 0:00 am on the first day of every month. .
- the start condition may be “an instruction to start analysis is input from the user”.
- the control unit 204 determines that the start condition is satisfied. In this case, the user can instruct at an arbitrary timing whether or not the air conditioning system 100 has an optimal configuration.
- the start condition may be “the amount of power consumed (unit: kWh (kilowatt hour)) calculated from the power consumption indicated by the operation data (unit: kW (kilowatt)) is equal to or greater than a predetermined value”. Assuming that the power consumption indicated by the operation data continues for the operation data acquisition interval (for example, 10 minutes), the control unit 204 calculates the power consumption during that time, and the obtained power consumption is predetermined. If it is greater than or equal to the value, it is determined that the start condition is satisfied. In this case, if the outdoor unit 1 or the indoor unit 2 is subjected to a large load greater than a predetermined value, it is automatically analyzed whether or not the air conditioning system 100 has an optimal configuration.
- the start condition may be “the operation rate of the outdoor unit 1 or the indoor unit 2 within a predetermined period is equal to or higher than a reference value”.
- the control unit 204 determines in advance a ratio of the number of records in which the operation status indicated by the operation data is not “stop” out of all the record numbers of the operation data corresponding to the outdoor unit 1 or the indoor unit 2 within a certain period. If it is equal to or greater than the reference value, it is determined that the start condition is satisfied. For example, three types of “cooling”, “heating”, and “stop” are defined as operating conditions, and if the predetermined period is “one month”, the control unit 204 has accumulated for the most recent one month.
- the ratio of the number of records in which the operation status indicated by the operation data is not “cooling” or “heating” and is “stop” with respect to the total number of records of the operation data is equal to or greater than a predetermined reference value (for example, 80%). It is determined that the start condition is satisfied. In this case, if the outdoor unit 1 or the indoor unit 2 is continuously loaded with a reference value or more, it is automatically analyzed whether or not the air conditioning system 100 has an optimal configuration.
- the start conditions are not limited to those described above, and can be arbitrarily defined.
- step S1502 If it is determined in step S1502 that the start condition is not satisfied (step S1502; NO), the control unit 204 ends the analysis process.
- step S1502 if it is determined that the start condition is satisfied (step S1502; YES), the control unit 204 analyzes the operation data stored in the storage unit 205 (step S1503).
- control unit 204 obtains the relationship between the generated load and the occurrence frequency, for example, as shown in FIG. 4, and determines the load ⁇ P_N when the occurrence frequency is maximum. To do.
- the control unit 204 determines whether or not to reconfigure the group, that is, whether or not the first group 10 and the second group 20 should be integrated (step S1504).
- the control unit 204 determines whether or not the generated maximum load ⁇ MAX_N is equal to or less than the capacity ⁇ N of the outdoor unit 1 in the group. For example, in the air conditioning system 100 shown in FIG. 1, the control unit 204 determines whether the maximum load ⁇ MAX — 1 generated in the first group 10 is equal to or less than the capacity ⁇ 1 of the outdoor unit 1A in the first group 10, and the second group It is determined whether or not the maximum load ⁇ MAX_2 generated in 20 is equal to or less than the capacity ⁇ 2 of the outdoor unit 1B in the second group 20.
- the control unit 204 determines that the maximum load ⁇ MAX_1 generated in the first group 10 is equal to or less than the capacity ⁇ 1 of the outdoor unit 1A in the first group 10 and the maximum load ⁇ MAX_2 generated in the second group 20 is If it is the capacity phi 2 or less of the outdoor unit 1B of the second group 20, and that is the case of ⁇ MAX_N ⁇ ⁇ N, should be the first group 10 one group by integrating the second group 20 Determine. In other cases, the control unit 204 determines that the first group 10 and the second group 20 need not be integrated.
- information indicating the model list 1700 of the outdoor unit 1 that can be selected by the air conditioning management device 50 is stored in advance in the storage unit 205, and the control unit 204 stores the information in the storage unit 205.
- the outdoor unit 1 having a capacity ⁇ X greater than the generated maximum load and having high energy efficiency is selected from the models registered in the model list in advance.
- control unit 204 may adopt the above-described APF as a reference for energy efficiency. And the control part 204 may select the outdoor unit 1 which has capacity
- control unit 204 may adopt the above-described COP as a reference for energy efficiency. Then, the control unit 204 has a maximum load capacity of more than phi X generated, and the outdoor load phi PX and COP when frequency is maximum matching a load phi COPMAX_X when the maximum value Machine 1 may be selected.
- control unit 204 displays a selection result (analysis result) in step S1505 on the display 251, for example, as shown in FIG. 18, thereby giving the user a reconfiguration plan that recommends the user to reconfigure the air conditioning system 100.
- Present step S1506.
- the air conditioning system 100 should integrate groups based on the relationship between the generated load (or capacity) and the frequency of occurrence based on the operation data of the outdoor unit 1 and / or the indoor unit 2. It is possible to easily select a new outdoor unit 1 and / or indoor unit 2. At that time, the user does not need to input information such as weather conditions, wall and window structures, occupancy, ventilation amount, and the like.
- the air conditioning system 100 when integrating a plurality of groups into one, it has a capacity equal to or greater than the maximum load generated in the existing outdoor unit 1 and / or indoor unit 2, and consumes minimal energy.
- the air conditioning system 100 having a high energy saving effect can be constructed.
- control unit 204 determines in step S1504 whether or not two groups are to be integrated. You may make it discriminate
- step S1504 when the maximum load ⁇ MAX_1 generated in the first group 10 is larger than the capacity ⁇ 1 of the outdoor unit 1A in the first group 10, the control unit 204 divides the first group 10 into two. Determine that it should be. Alternatively, when the maximum load ⁇ MAX_2 generated in the second group 20 is larger than the capacity ⁇ 2 of the outdoor unit 1B in the second group 20, the control unit 204 should divide the second group 20 into two. Is determined. In other cases, the control unit 204 determines that neither the first group 10 nor the second group 20 is divided.
- a new outdoor unit 1 and / or a new outdoor unit 1 having a capacity equal to or greater than the maximum load generated in the existing outdoor unit 1 and / or the indoor unit 2 and consuming minimal energy.
- the indoor unit 2 by selecting the indoor unit 2, the air conditioning system 100 having a high energy saving effect can be constructed.
- the present invention is not limited to the above-described embodiment, and various modifications and applications are possible. Moreover, it is also possible to freely combine the constituent elements of the above-described embodiments.
- the air conditioning management device 50 may not have acquired a sufficient amount of operation data for analysis.
- the control unit 204 acquires the outside air temperature measured by the temperature sensor of the outdoor unit 1 and, for example, based on the relationship between the outside air temperature and the generated load (or capacity) as shown in FIG. A load corresponding to the measured outside air temperature may be acquired.
- the control unit 204 can perform an analysis process by estimating the load from the outside air temperature and complementing the load.
- the load ⁇ PX and COP having a capacity ⁇ X that is greater than or equal to the maximum load ⁇ MAX_N expected to be generated and the frequency of occurrence is maximum.
- An example in which the outdoor unit 1 having the smallest difference from the load ⁇ COPMAX_X when the maximum value is taken has been described.
- the method of selecting the outdoor unit 1 when integrating a plurality of groups into one group is not limited to this example.
- an outdoor unit 1 that has a capacity equal to or greater than the maximum load that is expected to be generated and that has a minimum total power consumption.
- one outdoor unit 1 is selected from among all the outdoor units 1 having a capacity ⁇ X equal to or greater than the maximum load ⁇ MAX_N expected to be generated.
- power consumption is calculated
- FIG. 20 shows an example of the relationship between the capacity (load) of the outdoor unit and power consumption.
- the power consumption is determined for each load from the relationship between the capacity (load) of the outdoor unit 1 and the frequency of occurrence as shown in FIG.
- FIG. 21 shows an example of the relationship between the capacity (load) of the outdoor unit and the power consumption.
- the total power consumption which is the sum of the power consumption determined for each load, is obtained.
- the area of the hatched portion is the total power consumption.
- the outdoor unit 1 that minimizes the total power consumption is selected as the outdoor unit 1 provided in the group after integration.
- the outdoor unit 1 can be selected by the same method when dividing one group into a plurality of groups. In this case, for each of the plurality of groups after the division, the outdoor unit 1 having a capacity equal to or greater than the maximum load expected to be generated and having the minimum total power consumption is selected.
- a program for operating a computer as all or part of the air conditioning management device 50 is stored and distributed on a computer-readable recording medium such as a memory card, CD-ROM, DVD, or MO (Magneto Optical disk). Then, it may be installed in another computer and operated as the above-described means, or the above-described steps may be executed.
- a computer-readable recording medium such as a memory card, CD-ROM, DVD, or MO (Magneto Optical disk).
- the program may be stored in a disk device included in a server device on the Internet and, for example, superimposed on a carrier wave and downloaded to a computer.
- the air conditioning management device 50 includes a processing circuit instead of the CPU.
- This processing circuit is configured by, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a combination thereof.
Abstract
Description
第1室外機と前記第1室外機に接続されている少なくとも一つの室内機とから構成される第1グループと第2室外機と前記第2室外機に接続されている少なくとも一つの室内機とから構成される第2グループとを備える空調システムから、前記第1室外機の運転状態を示す運転データと前記第2室外機の運転状態を示す運転データとを取得する取得手段と、
前記第1室外機に発生した負荷と前記第2室外機に発生した負荷とに基づく、前記第1グループと前記第2グループとのうち少なくとも一方を再構成すべきか否かの判別結果を出力する出力手段と、
を備える。 In order to achieve the above object, an air conditioning management device according to the present invention includes:
A first group comprising a first outdoor unit and at least one indoor unit connected to the first outdoor unit; a second outdoor unit; and at least one indoor unit connected to the second outdoor unit; An acquisition means for acquiring operation data indicating an operation state of the first outdoor unit and operation data indicating an operation state of the second outdoor unit from an air conditioning system including the second group configured by:
A determination result as to whether or not at least one of the first group and the second group should be reconfigured based on a load generated in the first outdoor unit and a load generated in the second outdoor unit is output. Output means;
Is provided.
Claims (17)
- 第1室外機と前記第1室外機に接続されている少なくとも一つの室内機とから構成される第1グループと第2室外機と前記第2室外機に接続されている少なくとも一つの室内機とから構成される第2グループとを備える空調システムから、前記第1室外機の運転状態を示す運転データと前記第2室外機の運転状態を示す運転データとを取得する取得手段と、
前記第1室外機に発生した負荷と前記第2室外機に発生した負荷とに基づく、前記第1グループと前記第2グループとのうち少なくとも一方を再構成すべきか否かの判別結果を出力する出力手段と、
を備える空調管理装置。 A first group comprising a first outdoor unit and at least one indoor unit connected to the first outdoor unit; a second outdoor unit; and at least one indoor unit connected to the second outdoor unit; An acquisition means for acquiring operation data indicating an operation state of the first outdoor unit and operation data indicating an operation state of the second outdoor unit from an air conditioning system including the second group configured by:
A determination result as to whether or not at least one of the first group and the second group should be reconfigured based on a load generated in the first outdoor unit and a load generated in the second outdoor unit is output. Output means;
An air conditioning management device. - 前記第1室外機に発生した負荷の最大値が、前記第1室外機の容量以下であり、且つ、前記第2室外機に発生した負荷の最大値が、前記第2室外機の容量以下である場合に、前記第1グループと前記第2グループとを統合すべきであると判別する判別手段を更に備え、
前記出力手段は、前記判別手段による判別結果を出力する、
請求項1に記載の空調管理装置。 The maximum load generated in the first outdoor unit is less than or equal to the capacity of the first outdoor unit, and the maximum load generated in the second outdoor unit is less than or equal to the capacity of the second outdoor unit. In some cases, the information processing apparatus further includes a determination unit that determines that the first group and the second group should be integrated,
The output means outputs a determination result by the determination means;
The air conditioning management device according to claim 1. - 前記第1グループと前記第2グループとを統合すべきであると判別されると、統合後の新たな室外機として、前記第1室外機に発生した負荷の最大値と前記第2室外機に発生した負荷の最大値との合計値以上の容量を有し、且つ、エネルギー効率が基準値よりも大きい室外機を選定する選定手段を更に備える、
請求項2に記載の空調管理装置。 When it is determined that the first group and the second group should be integrated, as a new outdoor unit after integration, the maximum load generated in the first outdoor unit and the second outdoor unit A selection means for selecting an outdoor unit having a capacity equal to or greater than the total value of the generated load and energy efficiency greater than a reference value;
The air conditioning management device according to claim 2. - 前記選定手段は、統合後の新たな室外機として、前記合計値以上の容量を有し、且つ、発生頻度が最大であるときの負荷とエネルギー消費効率が最大値をとるときの負荷との差が最小である室外機を選定する、
請求項3に記載の空調管理装置。 The selection means, as a new outdoor unit after integration, has a capacity equal to or greater than the total value, and the difference between the load when the occurrence frequency is maximum and the load when the energy consumption efficiency is maximum. Select the outdoor unit with the smallest
The air-conditioning management apparatus according to claim 3. - 前記選定手段は、統合後の新たな室外機として、前記合計値以上の容量を有し、且つ、消費電力と発生頻度とを負荷毎に乗じることにより得られる負荷毎の消費電力量の総和が最小である室外機を選定する、
請求項3に記載の空調管理装置。 The selecting means has a capacity equal to or greater than the total value as a new outdoor unit after integration, and the sum of power consumption for each load obtained by multiplying power consumption and occurrence frequency for each load is Select the outdoor unit that is the smallest,
The air-conditioning management apparatus according to claim 3. - 前記判別手段は、前記第1室外機に発生した負荷の最大値が、前記第1室外機の容量よりも大きい場合に、前記第1グループを分割すべきであると判別する、
請求項2に記載の空調管理装置。 The determination means determines that the first group should be divided when the maximum load generated in the first outdoor unit is larger than the capacity of the first outdoor unit.
The air conditioning management device according to claim 2. - 前記第1グループを分割すべきであると判別されると、分割後の新たな室外機として、発生すると予想される負荷の最大値以上の容量を有し、且つ、エネルギー効率が基準値よりも大きい、少なくとも二つの室外機を選定する選定手段を更に備える、
請求項6に記載の空調管理装置。 When it is determined that the first group should be divided, the new outdoor unit after the division has a capacity that is greater than or equal to the maximum value of the load that is expected to be generated, and the energy efficiency is lower than the reference value. A selection means for selecting at least two outdoor units that are large;
The air conditioning management device according to claim 6. - 前記選定手段は、分割後の新たな室外機として、前記最大値以上の容量を有し、且つ、発生頻度が最大であるときの負荷とエネルギー消費効率が最大値をとるときの負荷との差が最小である室外機を選定する、
請求項7に記載の空調管理装置。 The selection means, as a new outdoor unit after division, has a capacity greater than or equal to the maximum value, and the difference between the load when the frequency of occurrence is maximum and the load when the energy consumption efficiency is maximum. Select the outdoor unit with the smallest
The air conditioning management device according to claim 7. - 前記選定手段は、分割後の新たな室外機として、前記最大値以上の容量を有し、且つ、消費電力と発生頻度とを負荷毎に乗じることにより得られる負荷毎の消費電力量の総和が最小である室外機を選定する、
請求項7に記載の空調管理装置。 The selection means has a capacity equal to or greater than the maximum value as a new outdoor unit after the division, and the sum of the power consumption for each load obtained by multiplying the power consumption and the occurrence frequency for each load is obtained. Select the outdoor unit that is the smallest,
The air conditioning management device according to claim 7. - 前記判別手段は、前記第1グループと前記第2グループとのうち少なくとも一方を再構成すべきか否かの判別を開始するための予め決められた開始条件が満たされると判別すると、前記第1グループと前記第2グループとのうち少なくとも一方を再構成すべきか否かを判別する、
請求項2から9のいずれか1項に記載の空調管理装置。 When the determination unit determines that a predetermined start condition for starting determination of whether or not at least one of the first group and the second group should be reconfigured is satisfied, the first group And determining whether at least one of the second group should be reconfigured,
The air-conditioning management apparatus according to any one of claims 2 to 9. - 前記判別手段は、前記取得手段によって取得された運転データの量が予め決められた量以上になると、前記開始条件が満たされると判別する、
請求項10に記載の空調管理装置。 The determination means determines that the start condition is satisfied when the amount of operation data acquired by the acquisition means is equal to or greater than a predetermined amount.
The air conditioning management device according to claim 10. - 前記判別手段は、タイマによって計測された現在日時が予め決められた日時になると、前記開始条件が満たされると判別する、
請求項10に記載の空調管理装置。 The determination means determines that the start condition is satisfied when the current date and time measured by the timer is a predetermined date and time,
The air conditioning management device according to claim 10. - 前記判別手段は、ユーザからの指示が入力されると、前記開始条件が満たされると判別する、
請求項10に記載の空調管理装置。 The determination means determines that the start condition is satisfied when an instruction from a user is input,
The air conditioning management device according to claim 10. - 前記判別手段は、前記取得された運転データが示す消費電力から計算される消費電力量が予め決められた値以上になると、前記開始条件が満たされると判別する、
請求項10に記載の空調管理装置。 The determination means determines that the start condition is satisfied when the power consumption calculated from the power consumption indicated by the acquired operation data is equal to or greater than a predetermined value.
The air conditioning management device according to claim 10. - 前記判別手段は、前記第1室外機の予め決められた期間内における稼働率が基準値以上であると、前記開始条件が満たされると判別する、
請求項10に記載の空調管理装置。 The determination means determines that the start condition is satisfied when an operating rate of the first outdoor unit within a predetermined period is equal to or greater than a reference value.
The air conditioning management device according to claim 10. - 第1室外機と前記第1室外機に接続されている少なくとも一つの室内機とから構成される第1グループと第2室外機と前記第2室外機に接続されている少なくとも一つの室内機とから構成される第2グループとを備える空調システムを管理する空調管理方法であって、
前記第1室外機の運転状態を示す運転データと前記第2室外機の運転状態を示す運転データとを取得し、
前記第1室外機に発生した負荷と前記第2室外機に発生した負荷とに基づく、前記第1グループと前記第2グループとのうち少なくとも一方を再構成すべきか否かの判別結果を出力する、
空調管理方法。 A first group comprising a first outdoor unit and at least one indoor unit connected to the first outdoor unit; a second outdoor unit; and at least one indoor unit connected to the second outdoor unit; An air conditioning management method for managing an air conditioning system comprising a second group comprising:
Obtaining operation data indicating an operation state of the first outdoor unit and operation data indicating an operation state of the second outdoor unit;
A determination result as to whether or not at least one of the first group and the second group should be reconfigured based on a load generated in the first outdoor unit and a load generated in the second outdoor unit is output. ,
Air conditioning management method. - コンピュータを、
第1室外機と前記第1室外機に接続されている少なくとも一つの室内機とから構成される第1グループと第2室外機と前記第2室外機に接続されている少なくとも一つの室内機とから構成される第2グループとを備える空調システムから、前記第1室外機の運転状態を示す運転データと前記第2室外機の運転状態を示す運転データとのうち少なくとも一方を取得する取得手段、
前記第1室外機に発生した負荷と前記第2室外機に発生した負荷とのうち少なくとも一方に基づく、前記第1グループと前記第2グループとのうち少なくとも一方を再構成すべきか否かの判別結果を出力する出力手段、
として機能させるプログラム。 Computer
A first group comprising a first outdoor unit and at least one indoor unit connected to the first outdoor unit; a second outdoor unit; and at least one indoor unit connected to the second outdoor unit; An acquisition means for acquiring at least one of operation data indicating an operation state of the first outdoor unit and operation data indicating an operation state of the second outdoor unit from an air conditioning system including a second group including:
Determining whether at least one of the first group and the second group should be reconfigured based on at least one of a load generated in the first outdoor unit and a load generated in the second outdoor unit Output means for outputting the results;
Program to function as.
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3376128A1 (en) * | 2017-03-15 | 2018-09-19 | Johnson Controls Technology Company | Control structure of an air-conditioning system and control method of the same |
CN108917130A (en) * | 2018-07-24 | 2018-11-30 | 南京天加环境科技有限公司 | A kind of energy-efficient multi-connected machine control method in parallel |
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CN114034106B (en) * | 2021-11-10 | 2023-05-12 | 珠海格力电器股份有限公司 | Multi-unit control method and device and multi-unit equipment |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11118228A (en) * | 1997-10-17 | 1999-04-30 | Mitsubishi Electric Corp | Air conditioning system |
JP2009020640A (en) * | 2007-07-11 | 2009-01-29 | Daikin Ind Ltd | Selection method, selection device and selection program, for air conditioner |
JP2011052952A (en) * | 2009-08-07 | 2011-03-17 | Sanyo Electric Co Ltd | Operation management device for refrigerating machine |
JP2013064542A (en) * | 2011-09-16 | 2013-04-11 | Shimizu Corp | Operation control device, operation control method, and program |
JP2013079737A (en) * | 2011-09-30 | 2013-05-02 | Toshiba Corp | Service execution device, service execution method, and service execution program |
JP2013236264A (en) * | 2012-05-09 | 2013-11-21 | Mitsubishi Heavy Ind Ltd | Monitoring device, load levelling method, program, and monitoring system equipped with them |
-
2015
- 2015-03-31 JP JP2015072370A patent/JP6075659B2/en active Active
-
2016
- 2016-03-28 WO PCT/JP2016/059894 patent/WO2016158852A1/en active Application Filing
- 2016-03-28 GB GB1716420.3A patent/GB2554564B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11118228A (en) * | 1997-10-17 | 1999-04-30 | Mitsubishi Electric Corp | Air conditioning system |
JP2009020640A (en) * | 2007-07-11 | 2009-01-29 | Daikin Ind Ltd | Selection method, selection device and selection program, for air conditioner |
JP2011052952A (en) * | 2009-08-07 | 2011-03-17 | Sanyo Electric Co Ltd | Operation management device for refrigerating machine |
JP2013064542A (en) * | 2011-09-16 | 2013-04-11 | Shimizu Corp | Operation control device, operation control method, and program |
JP2013079737A (en) * | 2011-09-30 | 2013-05-02 | Toshiba Corp | Service execution device, service execution method, and service execution program |
JP2013236264A (en) * | 2012-05-09 | 2013-11-21 | Mitsubishi Heavy Ind Ltd | Monitoring device, load levelling method, program, and monitoring system equipped with them |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3376128A1 (en) * | 2017-03-15 | 2018-09-19 | Johnson Controls Technology Company | Control structure of an air-conditioning system and control method of the same |
US10578331B2 (en) | 2017-03-15 | 2020-03-03 | Johnson Controls Technology Company | Control structure of an air conditioning system and control method of the same |
CN108917130A (en) * | 2018-07-24 | 2018-11-30 | 南京天加环境科技有限公司 | A kind of energy-efficient multi-connected machine control method in parallel |
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