WO2017009912A1 - Energy management device, energy management method, and program - Google Patents
Energy management device, energy management method, and program Download PDFInfo
- Publication number
- WO2017009912A1 WO2017009912A1 PCT/JP2015/069965 JP2015069965W WO2017009912A1 WO 2017009912 A1 WO2017009912 A1 WO 2017009912A1 JP 2015069965 W JP2015069965 W JP 2015069965W WO 2017009912 A1 WO2017009912 A1 WO 2017009912A1
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- WIPO (PCT)
- Prior art keywords
- hot water
- water supply
- air conditioning
- facility
- operation schedule
- Prior art date
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Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
Definitions
- the present invention relates to an energy management apparatus, an energy management method, and a program capable of enhancing the energy saving effect by linking hot water supply equipment and air conditioning equipment.
- hot water supply facility that heats water with a heat pump, stores it in a hot water storage tank, adjusts the heated water to a target temperature, and supplies it to the building as needed.
- an air conditioner that cools or heats the air inside or outside the building and then sends the air into the building.
- Patent Document 1 discloses a hot water supply unit that performs air conditioning using cold exhaust heat from a heat pump.
- Patent Document 2 in a heat pump apparatus capable of performing hot water supply and air conditioning at the same time, if the cooling is in operation and hot water is insufficient, all exhaust heat of the indoor unit is recovered by the hot water supply unit. Although the operation mode is set, it is disclosed that the operation mode can be invalidated when the electricity rate is high.
- the present invention has been made under the above circumstances, and provides an energy management device, an energy management method, and a program capable of enhancing the effect of energy saving by linking hot water supply equipment and air conditioning equipment. Objective.
- an energy management device provides: An energy management device that controls a hot water storage hot water supply facility and an air conditioning facility that performs air conditioning in a building using cold exhaust heat from the hot water storage hot water facility, An information acquisition unit for acquiring a first operation schedule of the hot water storage type hot water supply facility and a second operation schedule of the air conditioning facility; An operation control unit for controlling the operation of the hot water storage type hot water supply facility according to a third operation schedule that is changed from the first operation schedule so as to reduce power consumption by the air conditioning facility based on the second operation schedule; Is provided.
- Energy saving effect can be enhanced by linking hot water supply equipment and air conditioning equipment.
- FIG. 1 shows an outline of the configuration of the energy management system 1 in the present embodiment.
- a HEMS (Home Energy Management System) controller 100 controls the operation of the hot water supply facility 20, the air conditioning facility 30, and the electrical device 70.
- the HEMS controller 100 switches the operation (ON) and non-operation (OFF) of the hot water supply facility 20, the air conditioning facility 30, and the electric device 70 based on the user schedule input by the user, or the hot water supply facility 20 and the air conditioning.
- the operation mode of the facility 30 and the electric device 70 is changed and operated.
- the HEMS controller 100 is also referred to as an energy management device.
- the HEMS controller 100 indicates the amount of power consumed by the electric device 70 or the like measured by the electric device 70 or a power measuring device (not shown), the amount of power stored by the power storage facility 60, the amount of power generated by the power generation facility 50, and the like. Acquire and save data.
- the HEMS controller 100 stores a history of performance data.
- the HEMS controller 100 transmits the acquired result data to the server 90 connected to the communication network 80.
- the server 90 receives the result data from the HEMS controller 100 and stores it.
- the server 90 stores the history of performance data.
- the HEMS controller 100 acquires meteorological data indicating temperature, humidity, and the like from the server 90 or a computer (not shown) on the communication network 80, and based on the acquired meteorological data and operation data, the hot water supply facility 20 The future power consumption by the air conditioning facility 30 and the electric device 70 is estimated, and the operation schedule of the hot water supply facility 20, the air conditioning facility 30, and the electric device 70 is created.
- the hot water supply facility 20 heats city water with a heat pump and discharges hot water to a bathtub in the building. Moreover, the hot water supply facility 20 discharges the cold exhaust heat generated when the city water is heated by the heat pump to a duct that leads to the air conditioning facility 30.
- the hot water supply facility 20 in the present embodiment is a hot water storage type.
- the air conditioner 30 performs air conditioning such as heating, cooling, and blowing in the building.
- the air conditioning equipment 30 cools the air in the building using the cold exhaust heat from the hot water supply equipment 20.
- the user terminal 40 displays a screen showing the operating state of the energy management system 1.
- the user terminal 40 receives an input for instructing operations of the hot water supply facility 20, the air conditioning facility 30, and the electric device 70 from the user, and controls the hot water supply facility 20, the air conditioning facility 30, and the electric device 70 based on the received instruction.
- the power generation facility 50 performs solar power generation and supplies the generated power to the residential power line or the power storage facility 60.
- the power generation method may not be solar power generation.
- the power storage facility 60 stores power supplied from a commercial power source or power generated by the power generation facility 50.
- the electrical device 70 is connected to a home power line and operates by receiving power from at least one of a commercial power source, a power generation facility 50, and a power storage facility 60.
- the electric device 70 is an air conditioner, an electric cooker, a television receiver, a ventilation facility, a lighting facility, a floor heating facility, or the like.
- the type of the electric device 70 is not limited to these, and may be any device that operates by electricity and can be controlled by the HEMS controller 100.
- the communication network 80 connects the HEMS controller 100 and the server 90 so that they can communicate with each other.
- the communication network 80 is the Internet.
- the server 90 acquires the actual data from the HEMS controller 100 and stores it.
- FIG. 2 the structure of the hot water supply equipment 20 is shown.
- the outdoor unit 210 performs heat exchange with a heat pump using, for example, CO 2 (carbon dioxide) or HFC (hydrofluorocarbon) as a refrigerant.
- the outdoor unit 210 stores the refrigerant in a pressurized state by the accumulator 212, increases the temperature of the refrigerant by compressing the refrigerant by the compressor 213, and cools the heated refrigerant by using the radiator 211.
- the heated city water is stored in the hot water storage tank 201.
- the outdoor unit 210 can reheat the water stored in the hot water storage tank 201.
- the hot water storage tank 201 stores city water heated by the outdoor unit 210.
- the hot water storage tank 201 is made of a metal such as stainless steel or a resin.
- a heat insulating material is applied to the outside of the hot water storage tank 201.
- the hot water supply controller 202 controls the entire hot water supply facility 20.
- the hot water supply controller 202 creates an operation schedule based on the user schedule input by the user, stores hot water in the hot water storage tank 201 according to the operation schedule, and mixes the hot water with room temperature city water so that the target temperature is reached. Control the hot water in the bathtub.
- the hot water supply controller 202 may be provided not in the hot water storage tank 201 but in the outdoor unit 210 or the HEMS controller 100.
- the outdoor unit 210 thermally expands the heat exchanged refrigerant by the expansion valve 214, causes the air heat exchanger 216 to exchange heat with the outside air, and cools the refrigerant by the fan 215.
- the switching device 220 discharges the cold exhaust heat to the indoor unit through the duct 231.
- the indoor unit cools the air in the building 230 using this cold exhaust heat.
- the switching device 220 discharges the cold exhaust heat to the outside.
- FIG. 3 shows a configuration of an air conditioning facility 30 of the entire building air conditioning type.
- the entire building air conditioning type cold exhaust heat or outside air from the hot water supply facility 20 is transferred to one indoor unit 300 through the duct 231B, and cooled air or warmed air is transferred from the indoor unit 300 to each room through the duct 231A.
- the heat exchanger of the indoor unit 300 exchanges heat with the surrounding air by passing the refrigerant through the pipe, and cools or heats the refrigerant.
- the heat exchanger functions as an evaporator and evaporates the refrigerant that has flowed in. Thereby, the heat exchanger absorbs heat from the surrounding air and cools the surrounding air. Further, during the heating operation, the heat exchanger functions as a condenser and condenses the inflowing gaseous refrigerant. As a result, the heat exchanger releases heat to the surrounding air and heats the surrounding air.
- the damper of the duct 231A adjusts the air volume of the air to be conveyed and switches between air conveyance and stop.
- the duct 231B conveys cold exhaust heat from the hot water supply facility 20 to the indoor unit 300 during cooling. Since the temperature of the air conveyed to the indoor unit 300 is low, there is an effect that the efficiency of cooling by the air conditioning equipment 30 is increased and the load of air conditioning can be reduced.
- FIG. 4 shows the configuration of the total heat exchange type air conditioning equipment 30.
- the total heat exchange type when the air (inside air) RA and the outside air OA in the building 230 pass through the heat exchanger 400, the temperature and humidity are exchanged. During cooling, the cold exhaust heat from the hot water supply facility 20 becomes the outside air OA.
- the cooled inside air SA is discharged into the building 230, and the warmed outside air EA is discharged out of the building 230.
- the air conditioning equipment 30 is a whole building air conditioning type, but may be a total heat exchange type.
- FIG. 5 shows the configuration of the HEMS controller 100.
- the communication unit 501 includes a NIC (Network Interface Card), a hot water supply facility 20, an air conditioning facility 30, a user terminal 40, and an electrical device 70 via a communication line installed in the building 230 or by wireless communication. connect.
- the communication unit 501 communicates with the server 90 via the communication network 80.
- the image processing unit 502 generates screen data and displays various screens on the display 551 such as a screen showing a current operation state of the energy management system 1 and a screen for receiving an instruction from the user.
- the audio processing unit 503 acquires audio data from the storage unit 505, reproduces it, and outputs audio from the speaker 552.
- the input unit 504 includes an input device that receives input from the user, such as a button or a touch panel.
- the storage unit 505 includes a storage device such as a hard disk, and includes various programs for controlling the HEMS controller 100, power consumption obtained from the electric device 70 and the like, actual data indicating the operating state of the electric device 70, and an operating system (OS). Image data, audio data, text data, etc. are stored.
- a storage device such as a hard disk
- OS operating system
- the control unit 506 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory), and controls the HEMS controller 100 as a whole.
- CPU Central Processing Unit
- ROM Read Only Memory
- RAM Random Access Memory
- the information acquisition unit 521 acquires various information such as performance data from the hot water supply facility 20, the air conditioning facility 30, the user terminal 40, the power generation facility 50, the power storage facility 60, the electrical device 70, and the server 90, and stores it in the storage unit 505.
- various information such as performance data from the hot water supply facility 20, the air conditioning facility 30, the user terminal 40, the power generation facility 50, the power storage facility 60, the electrical device 70, and the server 90, and stores it in the storage unit 505.
- the information acquisition unit 521 acquires performance data indicating the operating state of the hot water supply facility 20, the amount of stored hot water, the amount of power consumption, and the like from the hot water supply facility 20 and stores it in the storage unit 505.
- the information acquisition unit 521 air-conditions the performance data indicating the operation state of the air conditioning equipment 30, the set operation mode such as cooling and heating, the set target temperature, the measured temperature and humidity, the power consumption, and the like. Obtained from the facility 30 and stored in the storage unit 505.
- the information acquisition unit 521 acquires user schedule data indicating the user schedule input from the user using the user terminal 40 from the user terminal 40 and stores it in the storage unit 505.
- the user schedule may be input using the input unit 504 of the HEMS controller 100 as well as the user terminal 40.
- the information acquisition unit 521 acquires the performance data indicating the operation state of the power generation facility 50, the amount of power generation, the time of power generation, and the like from the power generation facility 50 and stores them in the storage unit 505.
- the information acquisition unit 521 acquires the performance data indicating the operation state of the power storage facility 60, the amount of power storage, the time when the power is stored, and the like from the power storage facility 60, and stores them in the storage unit 505.
- the information acquisition unit 521 acquires performance data indicating the operating state, power consumption, and the like of the electric device 70 from the electric device 70 and stores it in the storage unit 505.
- the information acquisition unit 521 receives the meteorological data indicating the current weather, temperature, humidity, etc., and the meteorological data indicating the future (for example, tomorrow) weather, temperature, humidity, etc. from the server 90 or a public institution or private weather company. Is acquired from a server (not shown) managed by and stored in the storage unit 505. Further, the information acquisition unit 521 acquires charge data indicating the power purchase price and the power sale price from the server 90 or a server (not shown) managed by the electric retailer and stores the data in the storage unit 505.
- the operation planning unit 522 creates an operation schedule for the hot water supply facility 20 and an operation schedule for the air conditioning facility 30 based on the acquired actual data, user schedule data, weather data, and fee data, and stores them in the storage unit 505.
- the operation schedule of the hot water supply equipment 20 may be changed based on the operation schedule of the air conditioning equipment 30, the details will be described later.
- the operation schedule of the hot water supply facility 20 is referred to as “first operation schedule”
- the operation schedule of the air conditioning facility 30 is referred to as “second operation schedule”
- the first operation schedule is based on the second operation schedule.
- the operation schedule in which is changed is referred to as a “third operation schedule”.
- the operation control unit 523 controls the operations of the hot water supply equipment 20 and the air conditioning equipment 30 based on the created operation schedule. Further, the operation control unit 523 controls not only the hot water supply equipment 20 and the air conditioning equipment 30 but also the operations of the power generation equipment 50, the power storage equipment 60, and the electric equipment 70.
- the operation control unit 523 also creates an operation schedule for the power generation facility 50, the power storage facility 60, and the electrical device 70 based on the actual data, the user schedule data, the weather data, and the charge data. The operation may be controlled based on this.
- the operation control unit 523 can also control the operations of the hot water supply facility 20, the air conditioning facility 30, the power generation facility 50, the power storage facility 60, and the electric device 70 based on an instruction from the user regardless of the operation schedule. .
- FIG. 6 shows the configuration of the user terminal 40.
- the communication unit 601 includes a NIC and communicates with the HEMS controller 100.
- the image processing unit 602 generates screen data constituting a screen to be displayed on the display 651 and displays various screens on the display 651.
- the audio processing unit 603 acquires audio data from the storage unit 606, reproduces it, and outputs audio from the speaker 652.
- the I / O unit 604 includes an interface such as a USB (Universal Serial Bus) and connects a memory card, an external hard disk, and the like to the user terminal 40.
- USB Universal Serial Bus
- the input unit 605 includes an input device that receives an instruction from the user, such as a button or a touch panel.
- the storage unit 606 includes a storage device such as a hard disk, and stores various programs for controlling the user terminal 40, OS, image data, audio data, text data, and the like.
- the control unit 607 includes a CPU, a ROM, and a RAM, and controls the entire user terminal 40.
- the user terminal 40 is, for example, a tablet personal computer, a smartphone, a mobile phone, or the like.
- the HEMS controller 100 efficiently operates the hot water supply facility 20 and the air conditioning facility 30 in cooperation with each other.
- the HEMS controller 100 links the hot water supply facility 20 and the air conditioning facility 30 so as to reduce the amount of power consumed by the air conditioning facility 30.
- FIG. 7 shows a flowchart for explaining the energy management process.
- the third operation schedule described above is set.
- the energy management process starts, for example, at a preset time on the previous day when the HEMS controller 100 controls the hot water supply facility 20 and the air conditioning facility 30.
- the energy management process may be started when the above-described second operation schedule is changed by the user, for example.
- control unit 506 of the HEMS controller 100 acquires charge data indicating the power purchase price and the power sale price from the server 90 or a computer (not shown) on the communication network 80 managed by the electric retailer (step). S701). The control unit 506 stores the acquired fee data in the storage unit 505.
- control unit 506 may acquire the charge data by a process different from the energy management process.
- the control unit 506 periodically acquires the latest charge data regardless of whether or not the energy management process is executed, such as a predetermined time every day or a predetermined date every month. Also good.
- the control unit 506 acquires the operation schedule of the hot water supply facility 20 and the operation schedule of the air conditioning facility 30 from the storage unit 505 (step S702).
- the control unit 506 displays a schedule screen illustrated in FIG. 8 on the display 551, and receives an input of a user schedule including a schedule content, a schedule start time, and a schedule end time from the user.
- FIG. 8 shows a user schedule for one week from the current time (for example, 00:00:00 on April 1, 2015) when the schedule screen is displayed.
- the user operates the input unit 504 or operates an input device included in the user terminal 40 to input the user schedule, that is, the schedule content, the schedule start time, and the schedule end time.
- a user schedule can be input for each user.
- the energy management system 1 in which the user does not designate a user such as a user schedule associated with all users registered in advance in the HEMS controller 100 (for example, the whole family), and on / off of the operation of the electric device 70. You can enter a schedule.
- the schedule of the energy management system 1 that does not particularly designate a user is also referred to as a user schedule for convenience.
- the control unit 506 creates a first operation schedule of the hot water supply facility 20 and a second operation schedule of the air conditioning facility 30 based on the input user schedule, and an operation schedule indicating the created first operation schedule and second operation schedule. Data is stored in the storage unit 505.
- the control unit 506 is the start time 2015. At 12:00 on April 3, 2015, boiling by the hot water supply equipment 20 was stopped, and the end time of April 5, 2015, 15:00, or a predetermined time before this end time (for example, 2015 Operation schedule data for starting boiling by the hot water supply equipment 20 at 14:00 on April 5) is created and stored in the storage unit 505.
- FIG. 9 shows an example of user schedule data indicating the schedule input from the user, which is stored in the storage unit 505.
- the control unit 506 stores the schedule identification number (ID), the user associated with the schedule, the schedule contents, the schedule start time, and the schedule end time in the storage unit 505 in association with each other.
- ID schedule identification number
- FIG. 10 shows an example of operation schedule data indicating the first operation schedule of the hot water supply facility 20 stored in the storage unit 505.
- the control unit 506 Based on the user schedule stored in the storage unit 505, the control unit 506 performs the first operation of the hot water supply facility 20 in which the schedule identification number, the content of the control, and the time (scheduled time) for performing the control are associated with each other.
- a schedule is created and stored in the storage unit 505.
- FIG. 11 shows an example of operation schedule data indicating the second operation schedule of the air conditioning equipment 30 stored in the storage unit 505.
- the control unit 506 Based on the user schedule stored in the storage unit 505, the control unit 506 associates the schedule identification number, the content of the control, and the time (scheduled time) for performing the control with the second operation of the air conditioning equipment 30.
- a schedule is created and stored in the storage unit 505.
- control unit 506 can also create each operation schedule regardless of the user schedule. That is, the control unit 506 determines the amount of power consumed by the electrical device 70 in the future (for example tomorrow) based on the weather data acquired from the computer on the communication network 80 managed by the server 90 or the electric retailer, and the power generation facility The power generation amount by 50 and the power storage amount by the power storage facility 60 are predicted. And the control part 506 produces each future operation schedule of the electric equipment 70, the power generation equipment 50, and the electrical storage equipment 60 based on each predicted value of power consumption, electric power generation, and electrical storage.
- control unit 506 determines whether or not the cooling schedule is included in the acquired second operation schedule of the air conditioning equipment 30 (step S ⁇ b> 703). In the present embodiment, the control unit 506 determines whether or not the second driving schedule for the next day is scheduled to be operated by cooling.
- step S703 When it is determined that the cooling schedule is included in the second operation schedule of the air conditioning equipment 30 (step S703; YES), the control unit 506 uses the hot water supply at the scheduled time T1 when the cooling is started. It is determined whether or not it is before the scheduled time T2 (step S704). On the other hand, when it is determined that the cooling schedule is not included in the second operation schedule of the air conditioning equipment 30 (step S703; NO), the energy management process is terminated.
- the schedule with the identification number B01 is stored.
- the scheduled time T2 (April 1, 2015 10:00) for starting the cooling corresponding to is scheduled to start the hot water supply corresponding to the schedule of the identification number A03 (April 1, 2015 12:30) ) Before.
- the control unit 506 sets the boiling start time of the hot water supply facility 20 to the user schedule. It is also possible to set a time that is a predetermined safety value earlier than the time specified by or the time calculated from the operation history of the hot water supply facility 20.
- step S704 When the scheduled time T1 for starting the cooling is later than the scheduled time T2 for using the hot water supply (step S704; NO), the energy management process is terminated.
- step S704 When the scheduled time T1 for starting the cooling is before the scheduled time T2 for using the hot water supply (step S704; YES), the control unit 506 is scheduled within the time for operating the cooling based on the charge data. It is determined whether or not a time zone lower than the power purchase price at the time of boiling by the hot water supply facility 20 is included (step S705).
- the control unit 506 includes a time zone that is cheaper than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 within the scheduled operation time for cooling (step S705; YES). Is determined.
- step S705 the control unit 506 considers the profit obtained by the user by reversing the power generated by the power generation facility 50 and selling the electric power to the electric retailer, and within the time of operating in cooling, It may be determined whether or not a time zone cheaper than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 is included.
- the control unit 506 determines the amount ⁇ P 2 obtained by subtracting the power sale price PS 2 in the second section 1202 from the power purchase price PB 2 in the second section 1202 and the power purchase price PB 3 in the third section 1203. Compared with the amount ⁇ P 3 obtained by subtracting the power selling price PS 3 in the third section 1203, if ⁇ P 2 is smaller than ⁇ P 3 , the scheduled hot water supply facility 20 is operated within the scheduled cooling time. It is determined that a time zone cheaper than the electricity purchase price at the time of boiling is included (step S705; YES).
- control unit 506 has a time zone that is cheaper than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 within the scheduled cooling time. It is determined that it is not included (step S705; NO).
- step S705 When it is determined that a time zone cheaper than the electricity bill required for boiling by the scheduled hot water supply facility 20 is included in the operation time in the cooling (step S705; YES), the control unit 506 displays the hot water supply facility.
- the operation schedule of 20, more specifically, the schedule of boiling by the hot water supply facility 20 is changed (step S ⁇ b> 706).
- step S705; NO If it is determined that the time period during which the cooling operation is performed does not include a time zone cheaper than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 (step S705; NO), the energy management process is performed. finish.
- FIG. 13 is used to explain in detail the process of creating the third operation schedule by changing the first operation schedule based on the second operation schedule.
- the control unit 506 supplies the hot water supply facility 20 to the second section 1202 that is lower than the power purchase price for boiling by the scheduled hot water supply facility 20 during the scheduled time (for example, from 10:00 to 22:00) for cooling operation. Move part of the schedule for boiling by.
- control unit 506 moves a part of the schedule in the time zone far from the time T2 when the hot water supply facility 20 is used, to the second section 1202 where the power purchase price is low, among the schedules for boiling.
- control unit 506 is a section having a time length (in this case, two hours) corresponding to the second section 1202 in which the power purchase price is low in the third section 1203 for boiling.
- the schedule of the section 1300 far from the time T2 when the hot water supply facility 20 is used is moved to the second section 1202 where the power purchase price is low.
- boiling by the hot water supply facility 20 was supposed to be performed continuously from 0:00 to 6:00 in the first operation schedule, but in the third operation schedule from 2:00 to 6:00, And from 10 o'clock to 12 o'clock.
- control unit 506 sets the first operation schedule so that the hot water supply facility 20 performs the heat insulation operation. May be.
- control unit 506 determines which of the three levels the capacity of the outdoor unit 210 of the hot water supply facility 20 is set based on the set target temperature of cooling.
- control unit 506 determines whether or not the set target temperature for cooling is lower than the predetermined first temperature based on the second operation schedule of the air conditioning equipment 30 (step S707). .
- step S707 When the set target temperature of cooling is lower than the first temperature (step S707; YES), the control unit 506 sets the capacity of the outdoor unit 210 of the hot water supply facility 20 to “high” (step S708). A third operation schedule for operating the hot water supply facility 20 is determined.
- step S707 When the set cooling target temperature is not lower than the first temperature (step S707; NO), the control unit 506 determines that the set cooling target temperature is lower than the predetermined second temperature. It is determined whether or not it is high (step S709).
- step S709 When the set cooling target temperature is not higher than the predetermined second temperature (step S709; NO), the control unit 506 sets the capacity of the outdoor unit 210 of the hot water supply facility 20 to “medium”. (Step S710), a third operation schedule for operating the hot water supply facility 20 is determined.
- step S709 When the set cooling target temperature is higher than the predetermined second temperature (step S709; YES), the control unit 506 sets the capacity of the outdoor unit 210 of the hot water supply facility 20 to “low”. (Step S711), a third operation schedule for operating the hot water supply facility 20 is determined.
- FIG. 14 shows the relationship between the capacity of the outdoor unit 210 and the temperature of cold exhaust heat (unit is Celsius), and the relationship between the capacity of the outdoor unit 210 and power consumption (unit is watt hour).
- the capacity of the outdoor unit 210 is a heat exchange amount per unit time by the outdoor unit 210.
- the high capacity of the outdoor unit 210 means that the heat exchange amount per unit time by the outdoor unit 210 is large. In other words, the higher the capacity of the outdoor unit 210, the faster the boiling.
- the amount of power consumption increases, but the temperature of the cold exhaust heat tends to decrease. Further, as the capacity of the outdoor unit 210 decreases, the amount of power consumption decreases, but the temperature of cold exhaust heat tends to increase.
- the capacity of the outdoor unit 210 that can be set from the HEMS controller 100 is set to three levels: high, medium, and low. If the target temperature for cooling is not less than the first temperature and not more than the second temperature, it is set to “medium”. If the target temperature for cooling is lower than the first temperature, it is set to “high”. If the target temperature for cooling is higher than the second temperature, it is set to “low”.
- the capacity of the outdoor unit 210 that can be set by the control unit 506 may not be determined in three stages, and may be one, two, or four or more stages. If it is one stage, the capacity of the outdoor unit 210 is fixed, and the processing from step S707 to step S711 is unnecessary.
- step S709 If there are two stages, steps S709 and S710 are unnecessary, and if the target temperature for cooling is higher than the first temperature in step S707 (step S707; NO), the control unit 506 causes the outdoor unit of the hot water supply facility 20 to operate.
- the capability of 210 is set to “low” (step S711).
- the control unit 506 determines that the cooling target temperature is the third temperature (however, the first temperature) instead of determining whether the cooling target temperature is higher than the second temperature in step S709. It is determined whether the temperature is lower than ⁇ third temperature ⁇ second temperature). If the target temperature for cooling is lower than the third temperature, it is set to “medium” (second highest capability from the top). If the target temperature for cooling is not lower than the third temperature, the same as in step S709. It is determined whether or not the target temperature for cooling is higher than the second temperature.
- the target temperature for cooling is lower than the third temperature, it is set to “first low” (the third highest capacity from the top), and if the target temperature for cooling is not lower than the third temperature, Set to 2 low “(the fourth highest (lowest) ability from the top). If there are more than 5 stages, the number of times of sieving by the target temperature should be increased as in the case of 4 stages.
- the control unit 506 sets the capacity of the outdoor unit 210 to “high” during cooling, By adjusting the operation schedule of the hot water supply facility 20 such that the capacity of the outdoor unit 210 is set to “low” while not being cooled, the efficiency of the entire energy management system 1 is increased.
- control unit 506 changes the first operation schedule so as to change the operating time of the hot water supply facility 20 and change the capacity of the outdoor unit 210.
- the second operation schedule of the air conditioner 30 is cooling from 23:00 to 0:00
- the first operation schedule of the hot water supply facility 20 is “medium” from 0:30 to 5:00.
- a specific example will be described in the case of boiling.
- the control unit 506 sets the first operation schedule so that the hot water supply facility 20 is heated at the capacity “high” during the time from 23:00 to 0:00 when the cooling operation by the air conditioning facility 30 is set.
- the air conditioner 30 is caused to use the cold exhaust heat from the hot water supply facility 20 during this period. Since the hot water supply facility 20 performs a boiling operation at a high capacity between 23:00 and 00:00, the conventional operation time (from 0:30 to 5:00) can be reduced. Then, for example, the control unit 506 changes the first operation schedule so that the remaining boiling amount out of the required boiling amount is boiled at the capacity “low” between 2 o'clock and 5 o'clock.
- the hot water supply facility 20 may be set to operate at a “high” boiling capacity until the user bedtime.
- the hot water supply facility 20 may be set to perform a heat insulation operation. Good.
- the present embodiment by effectively using the cold exhaust heat from the hot water supply facility 20 in the air conditioning facility 30, it is possible to realize energy saving by linking the hot water supply facility and the air conditioning facility.
- the operation schedule of the hot water supply equipment 20 based on the operation schedule of the air conditioning equipment 30 so that the cold exhaust heat from the hot water supply equipment 20 can be used effectively in the air conditioning equipment 30, an energy saving effect can be achieved. Can be increased.
- 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.
- Modification 1 In the above embodiment, the case where the HEMS controller 100 is arranged in the building has been described, but the HEMS controller 100 may be arranged outside the building.
- the server 90 on the Internet may function as the HEMS controller 100.
- a router 1700 is arranged in the building instead of the HEMS controller 100.
- a server 90 that functions as the HEMS controller 100 is disposed on the communication network 80 outside the home. In this case, the router 1700 and the server 90 cooperate to play the role of the HEMS controller 100.
- FIG. 18 shows a functional configuration of the HEMS controller 100 in the second modification.
- the control unit 506 and the image processing unit 502 cooperate to function as a display unit 1801 that displays the first operation schedule, the second operation schedule, and the third operation schedule.
- the control unit 506 and the input unit 504 cooperate to control the hot water supply facility 20 according to the displayed first operation schedule or the third operation schedule and to operate the air conditioning facility 30 based on the displayed second operation schedule. It functions as an input receiving unit 1802 that receives an instruction from the user as to whether or not to control.
- the control unit 506 creates the first operation schedule of the hot water supply facility 20 and the second operation schedule of the air conditioning facility 30, the created first operation schedule and second operation schedule are changed to the first operation schedule.
- the information is displayed on the display 551 before the control based on the second operation schedule is executed.
- control unit 506 receives an instruction from the user as to whether to control the operation of hot water supply facility 20 according to the displayed first operation schedule and to control the operation of air conditioning facility 30 according to the displayed second operation schedule.
- control unit 506 receives an instruction from the user as to whether to control the operation of hot water supply facility 20 according to the displayed first operation schedule and to control the operation of air conditioning facility 30 according to the displayed second operation schedule.
- control part 506 changes the 1st driving
- running schedule will be 3rd driving
- control part 506 receives the instruction
- an instruction from the user to operate the hot water supply facility 20 is input according to the displayed third operation schedule, the operation of the hot water supply facility 20 is controlled based on the third operation schedule.
- control unit 506 applies the first operation schedule and the second operation schedule immediately without any explicit instruction from the user to control the hot water supply equipment 20 and the air conditioning equipment 30, and the third operation schedule. May be applied after receiving an explicit instruction from the user to control the hot water supply facility 20.
- the air conditioning equipment 30 is operated at a specific time determined by the operation schedule.
- the control unit 506 is configured to operate the server 90 or the communication. Based on the weather data acquired from the computer on the network 80, a time zone in which the predicted outside air temperature is higher than a predetermined temperature is discriminated, and the discriminated time zone is determined as “to be operated in cooling” in step S703. Can be replaced by “time”.
- step S703 the control unit 506 determines whether there is a time zone in which the predicted outside air temperature is higher than a predetermined temperature instead of determining whether there is a plan for cooling. Good.
- step S704 instead of determining whether or not the scheduled time T1 for starting the cooling is earlier than the scheduled time T2 for using the hot water supply, the control unit 506 determines that the outside air temperature becomes higher than the predetermined temperature. What is necessary is just to discriminate
- step S705 the control unit 506 determines whether or not a time zone cheaper than the power purchase price at the time of boiling by the hot water supply facility 20 is included in the cooling operation time. In addition, if it is determined whether or not a time zone in which the predicted outside air temperature is higher than a predetermined temperature includes a time period lower than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 is included. Good.
- step S706 the control unit 506 raises the boiling point by the hot water supply facility 20 to the second section 1202 that is lower than the planned power purchase price for the boiling by the hot water supply facility 20 within the cooling operation time. Instead of shifting a part of the schedule, the time when the predicted outside air temperature is higher than a predetermined temperature and is lower than the planned power purchase price for boiling by the hot water supply facility 20 A part of the boiling schedule by the hot water supply facility 20 may be shifted.
- Modification 4 As illustrated in the examples of FIGS. 13 and 15, when the control unit 506 changes the first operation schedule of the hot water supply facility 20, the user is inquired whether to change the first operation schedule before the change. You may design as follows.
- control unit 506 instructs the image processing unit 502 to change the driving schedule as follows, along with the changed first driving schedule. Then, an instruction to display on the display 551 such a message as “XX yen electricity bill is advantageous.
- the input unit 504 receives a user instruction and sends the received instruction to the control unit 506.
- Control unit 506 changes the first operation schedule of hot water supply facility 20 based on the instruction sent from input unit 504.
- the message may be designed to be displayed on the user terminal 40.
- a program for operating a computer as all or a part of the HEMS controller 100 is stored and distributed in a computer-readable recording medium such as a memory card, CD-ROM, DVD, or MO (Magneto Optical disk). This 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 or the like included in a server device on the Internet, and may be downloaded onto a computer by being superimposed on a carrier wave, for example.
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Abstract
Provided is an energy management device (100) for controlling a hot-water-storage-type hot water supply system and an air conditioning device, wherein an information acquisition unit (521) acquires a first operation schedule of the hot-water-storage-type hot water supply system, and a second operation schedule of an air conditioning system for performing air conditioning within a building using cold exhaust heat from the hot-water-storage-type hot water supply system. An action control unit (523) controls the action of the hot-water-storage-type hot water supply system, on the basis of the second operation schedule, by using a third operation schedule in which the first operation schedule is changed so as to reduce the amount of power consumed by the air conditioning system.
Description
本発明は、給湯設備と空調設備を連携させて省エネルギーの効果を高めることが可能なエネルギー管理装置、エネルギー管理方法、及び、プログラムに関する。
The present invention relates to an energy management apparatus, an energy management method, and a program capable of enhancing the energy saving effect by linking hot water supply equipment and air conditioning equipment.
ヒートポンプにより水を加熱して貯湯タンクに蓄え、加熱された水を目標温度に調整して必要に応じて建物内へ供給する給湯設備がある。また、建物内又は建物外の空気を冷却したり加熱したりした後に建物内に送り込む空調設備がある。
There is a hot water supply facility that heats water with a heat pump, stores it in a hot water storage tank, adjusts the heated water to a target temperature, and supplies it to the building as needed. There is also an air conditioner that cools or heats the air inside or outside the building and then sends the air into the building.
更には、給湯設備と空調設備とを組み合わせた設備がある。例えば特許文献1には、ヒートポンプによる冷排熱を利用して空調を行う給湯ユニットが開示されている。
Furthermore, there are facilities that combine hot water supply facilities and air conditioning facilities. For example, Patent Document 1 discloses a hot water supply unit that performs air conditioning using cold exhaust heat from a heat pump.
また、特許文献2には、給湯と空調を同時に実行することが可能なヒートポンプ装置において、冷房が稼働中で且つ湯が不足していると、室内ユニットの排熱が給湯ユニットで全て回収される運転モードに設定するが、電気料金が高い場合にはこの運転モードを無効にできることが開示されている。
Further, in Patent Document 2, in a heat pump apparatus capable of performing hot water supply and air conditioning at the same time, if the cooling is in operation and hot water is insufficient, all exhaust heat of the indoor unit is recovered by the hot water supply unit. Although the operation mode is set, it is disclosed that the operation mode can be invalidated when the electricity rate is high.
しかしながら、従来は、給湯設備の運転スケジュールと空調設備の運転スケジュールとが連動していなかった。そのため、給湯設備の運転スケジュールと空調設備の運転スケジュールとが別々に設定されると、給湯設備と空調設備が連動せず、システムの省エネルギー性能が十分に発揮されないことがあった。
However, conventionally, the operation schedule of the hot water supply facility and the operation schedule of the air conditioning facility have not been linked. For this reason, when the operation schedule of the hot water supply facility and the operation schedule of the air conditioning facility are set separately, the hot water supply facility and the air conditioning facility are not linked, and the energy saving performance of the system may not be fully exhibited.
本発明は、上記の事情のもとになされたもので、給湯設備と空調設備を連携させて省エネルギーの効果を高めることが可能なエネルギー管理装置、エネルギー管理方法、及び、プログラムを提供することを目的とする。
The present invention has been made under the above circumstances, and provides an energy management device, an energy management method, and a program capable of enhancing the effect of energy saving by linking hot water supply equipment and air conditioning equipment. Objective.
上記目的を達成するため、本発明に係るエネルギー管理装置は、
貯湯式の給湯設備と、前記貯湯式の給湯設備による冷排熱を用いて建物内の空調を行う空調設備と、を制御するエネルギー管理装置であって、
前記貯湯式の給湯設備の第1運転スケジュールと、前記空調設備の第2運転スケジュールと、を取得する情報取得部と、
前記第2運転スケジュールに基づいて、前記空調設備による消費電力量を低減するように前記第1運転スケジュールを変更した第3運転スケジュールにより前記貯湯式の給湯設備の動作を制御する動作制御部と、
を備える。 In order to achieve the above object, an energy management device according to the present invention provides:
An energy management device that controls a hot water storage hot water supply facility and an air conditioning facility that performs air conditioning in a building using cold exhaust heat from the hot water storage hot water facility,
An information acquisition unit for acquiring a first operation schedule of the hot water storage type hot water supply facility and a second operation schedule of the air conditioning facility;
An operation control unit for controlling the operation of the hot water storage type hot water supply facility according to a third operation schedule that is changed from the first operation schedule so as to reduce power consumption by the air conditioning facility based on the second operation schedule;
Is provided.
貯湯式の給湯設備と、前記貯湯式の給湯設備による冷排熱を用いて建物内の空調を行う空調設備と、を制御するエネルギー管理装置であって、
前記貯湯式の給湯設備の第1運転スケジュールと、前記空調設備の第2運転スケジュールと、を取得する情報取得部と、
前記第2運転スケジュールに基づいて、前記空調設備による消費電力量を低減するように前記第1運転スケジュールを変更した第3運転スケジュールにより前記貯湯式の給湯設備の動作を制御する動作制御部と、
を備える。 In order to achieve the above object, an energy management device according to the present invention provides:
An energy management device that controls a hot water storage hot water supply facility and an air conditioning facility that performs air conditioning in a building using cold exhaust heat from the hot water storage hot water facility,
An information acquisition unit for acquiring a first operation schedule of the hot water storage type hot water supply facility and a second operation schedule of the air conditioning facility;
An operation control unit for controlling the operation of the hot water storage type hot water supply facility according to a third operation schedule that is changed from the first operation schedule so as to reduce power consumption by the air conditioning facility based on the second operation schedule;
Is provided.
給湯設備と空調設備を連携させて省エネルギーの効果を高めることができる。
Energy saving effect can be enhanced by linking hot water supply equipment and air conditioning equipment.
図1に、本実施形態におけるエネルギー管理システム1の構成の概要を示す。
FIG. 1 shows an outline of the configuration of the energy management system 1 in the present embodiment.
HEMS(Home Energy Management System)コントローラ100は、給湯設備20と空調設備30と電気機器70の動作を制御する。例えば、HEMSコントローラ100は、ユーザから入力されたユーザスケジュールに基づいて、給湯設備20と空調設備30と電気機器70の動作(オン)と非動作(オフ)とを切り替えたり、給湯設備20と空調設備30と電気機器70の動作モードを変更して運転させたりする。HEMSコントローラ100を、エネルギー管理装置ともいう。
A HEMS (Home Energy Management System) controller 100 controls the operation of the hot water supply facility 20, the air conditioning facility 30, and the electrical device 70. For example, the HEMS controller 100 switches the operation (ON) and non-operation (OFF) of the hot water supply facility 20, the air conditioning facility 30, and the electric device 70 based on the user schedule input by the user, or the hot water supply facility 20 and the air conditioning. The operation mode of the facility 30 and the electric device 70 is changed and operated. The HEMS controller 100 is also referred to as an energy management device.
また、HEMSコントローラ100は、電気機器70もしくは電力計測装置(図示せず)によって計測された電気機器70等の消費電力量や、蓄電設備60による蓄電量、発電設備50による発電量等を示す実績データを取得し、保存する。HEMSコントローラ100には、実績データの履歴が蓄積される。
In addition, the HEMS controller 100 indicates the amount of power consumed by the electric device 70 or the like measured by the electric device 70 or a power measuring device (not shown), the amount of power stored by the power storage facility 60, the amount of power generated by the power generation facility 50, and the like. Acquire and save data. The HEMS controller 100 stores a history of performance data.
そして、HEMSコントローラ100は、取得した実績データを、通信ネットワーク80に接続されたサーバ90へ送信する。サーバ90は、実績データをHEMSコントローラ100から受信し、保存する。サーバ90には、実績データの履歴が蓄積される。
Then, the HEMS controller 100 transmits the acquired result data to the server 90 connected to the communication network 80. The server 90 receives the result data from the HEMS controller 100 and stores it. The server 90 stores the history of performance data.
更には、HEMSコントローラ100は、気温と湿度等を示す気象データをサーバ90もしくは通信ネットワーク80上のコンピュータ(図示せず)から取得し、取得した気象データと運転データとに基づいて、給湯設備20と空調設備30と電気機器70による将来の消費電力を推測し、給湯設備20と空調設備30と電気機器70の運転スケジュールを作成する。
Furthermore, the HEMS controller 100 acquires meteorological data indicating temperature, humidity, and the like from the server 90 or a computer (not shown) on the communication network 80, and based on the acquired meteorological data and operation data, the hot water supply facility 20 The future power consumption by the air conditioning facility 30 and the electric device 70 is estimated, and the operation schedule of the hot water supply facility 20, the air conditioning facility 30, and the electric device 70 is created.
給湯設備20は、ヒートポンプにより市水を加熱し、温水を建物内の浴槽等へ排出する。また、給湯設備20は、ヒートポンプにより市水を加熱する際に生じる冷排熱を空調設備30へと通じるダクトに排出する。本実施形態における給湯設備20は貯湯式である。
The hot water supply facility 20 heats city water with a heat pump and discharges hot water to a bathtub in the building. Moreover, the hot water supply facility 20 discharges the cold exhaust heat generated when the city water is heated by the heat pump to a duct that leads to the air conditioning facility 30. The hot water supply facility 20 in the present embodiment is a hot water storage type.
空調設備30は、建物内の暖房、冷房、送風等の空気調和を行う。また、空調設備30は、給湯設備20による冷排熱を利用して、建物内の空気を冷却する。
The air conditioner 30 performs air conditioning such as heating, cooling, and blowing in the building. The air conditioning equipment 30 cools the air in the building using the cold exhaust heat from the hot water supply equipment 20.
ユーザ端末40は、エネルギー管理システム1の動作状態等を示す画面を表示する。ユーザ端末40は、給湯設備20と空調設備30と電気機器70の動作を指示する入力をユーザから受け付け、受け付けた指示に基づいて給湯設備20と空調設備30と電気機器70を制御する。
The user terminal 40 displays a screen showing the operating state of the energy management system 1. The user terminal 40 receives an input for instructing operations of the hot water supply facility 20, the air conditioning facility 30, and the electric device 70 from the user, and controls the hot water supply facility 20, the air conditioning facility 30, and the electric device 70 based on the received instruction.
発電設備50は、太陽光発電を行い、生成した電力を宅内電力線もしくは蓄電設備60に供給する。なお、発電方法は太陽光発電でなくてもよい。
The power generation facility 50 performs solar power generation and supplies the generated power to the residential power line or the power storage facility 60. The power generation method may not be solar power generation.
蓄電設備60は、商用電源から供給された電力もしくは発電設備50により生成された電力を蓄える。
The power storage facility 60 stores power supplied from a commercial power source or power generated by the power generation facility 50.
電気機器70は、宅内電力線に接続されており、商用電源と発電設備50と蓄電設備60とのうち少なくともいずれか一つから電力の供給を受けることにより動作する。電気機器70は、具体的には、空気調和機、電気調理器、テレビジョン受像機、換気設備、照明設備、床暖房設備等である。ただし、電気機器70の種類はこれらに限られず、電気によって動作し、HEMSコントローラ100によって制御可能であればよい。
The electrical device 70 is connected to a home power line and operates by receiving power from at least one of a commercial power source, a power generation facility 50, and a power storage facility 60. Specifically, the electric device 70 is an air conditioner, an electric cooker, a television receiver, a ventilation facility, a lighting facility, a floor heating facility, or the like. However, the type of the electric device 70 is not limited to these, and may be any device that operates by electricity and can be controlled by the HEMS controller 100.
通信ネットワーク80は、HEMSコントローラ100とサーバ90とを通信可能に接続する。典型的には、通信ネットワーク80はインターネットである。
The communication network 80 connects the HEMS controller 100 and the server 90 so that they can communicate with each other. Typically, the communication network 80 is the Internet.
サーバ90は、HEMSコントローラ100から実績データを取得し、保存する。
The server 90 acquires the actual data from the HEMS controller 100 and stores it.
次に、給湯設備20の詳細を説明する。図2に、給湯設備20の構成を示す。
Next, the details of the hot water supply facility 20 will be described. In FIG. 2, the structure of the hot water supply equipment 20 is shown.
室外機210は、例えばCO2(二酸化炭素)やHFC(ハイドロフルオロカーボン)等を冷媒に用いたヒートポンプにより熱交換を行う。室外機210は、アキュムレータ212により冷媒を加圧状態で蓄えておき、冷媒を圧縮機213により圧縮することによって冷媒の温度を上昇させ、この加温された冷媒を放熱器211により常温の市水と熱交換することによって、市水を目標の温度まで加熱する。加熱された市水は、貯湯タンク201に蓄えられる。室外機210は、貯湯タンク201に蓄えられた水を再び加熱することができる。
The outdoor unit 210 performs heat exchange with a heat pump using, for example, CO 2 (carbon dioxide) or HFC (hydrofluorocarbon) as a refrigerant. The outdoor unit 210 stores the refrigerant in a pressurized state by the accumulator 212, increases the temperature of the refrigerant by compressing the refrigerant by the compressor 213, and cools the heated refrigerant by using the radiator 211. Heat the city water to the target temperature by exchanging heat with it. The heated city water is stored in the hot water storage tank 201. The outdoor unit 210 can reheat the water stored in the hot water storage tank 201.
貯湯タンク201は、室外機210によって加熱された市水を蓄える。貯湯タンク201は、ステンレス等の金属又は樹脂から形成される。貯湯タンク201の外側には断熱材が施されている。貯湯タンク201は一つだけでなく複数あってもよい。
The hot water storage tank 201 stores city water heated by the outdoor unit 210. The hot water storage tank 201 is made of a metal such as stainless steel or a resin. A heat insulating material is applied to the outside of the hot water storage tank 201. There may be a plurality of hot water storage tanks 201 instead of only one.
給湯コントローラ202は、給湯設備20全体を制御する。給湯コントローラ202は、ユーザから入力されたユーザスケジュールに基づいて運転スケジュールを作成し、運転スケジュールに従って、貯湯タンク201に湯を蓄え、目標温度となるように湯を常温の市水と混合させた後、浴槽等に出湯する制御を行う。なお、給湯コントローラ202は、貯湯タンク201ではなく、室外機210又はHEMSコントローラ100に備えつけられてもよい。
The hot water supply controller 202 controls the entire hot water supply facility 20. The hot water supply controller 202 creates an operation schedule based on the user schedule input by the user, stores hot water in the hot water storage tank 201 according to the operation schedule, and mixes the hot water with room temperature city water so that the target temperature is reached. Control the hot water in the bathtub. Note that the hot water supply controller 202 may be provided not in the hot water storage tank 201 but in the outdoor unit 210 or the HEMS controller 100.
また、室外機210は、熱交換された冷媒を膨張弁214により熱膨張させ、空気熱交換器216により冷媒を外気と熱交換させ、ファン215により冷媒を冷却する。切替装置220は、ダクト231を通じて冷排熱を室内機へ排出する。室内機は、この冷排熱を利用して建物230内の空気を冷却する。あるいは、空調を停止する際には、切替装置220は、冷排熱を外部へ排出する。
In addition, the outdoor unit 210 thermally expands the heat exchanged refrigerant by the expansion valve 214, causes the air heat exchanger 216 to exchange heat with the outside air, and cools the refrigerant by the fan 215. The switching device 220 discharges the cold exhaust heat to the indoor unit through the duct 231. The indoor unit cools the air in the building 230 using this cold exhaust heat. Alternatively, when the air conditioning is stopped, the switching device 220 discharges the cold exhaust heat to the outside.
次に、空調設備30の詳細を説明する。図3に、全館空調タイプの空調設備30の構成を示す。全館空調タイプでは、給湯設備20による冷排熱又は外気がダクト231Bを通じて一台の室内機300に搬送され、室内機300からダクト231Aを通じて各部屋に冷やされた空気又は暖められた空気が搬送される。
Next, the details of the air conditioning equipment 30 will be described. FIG. 3 shows a configuration of an air conditioning facility 30 of the entire building air conditioning type. In the entire building air conditioning type, cold exhaust heat or outside air from the hot water supply facility 20 is transferred to one indoor unit 300 through the duct 231B, and cooled air or warmed air is transferred from the indoor unit 300 to each room through the duct 231A. The
室内機300の熱交換器は、パイプの中に冷媒を通過させることで周囲の空気と熱交換し、冷媒を冷却又は加熱する。冷房運転時においては、熱交換器は、蒸発器として機能し、流入した冷媒を蒸発させる。これにより、熱交換器は、周囲の空気から熱を吸収し、周囲の空気を冷却する。また、暖房運転時においては、熱交換器は、凝縮器として機能し、流入した気体冷媒を凝縮させる。これにより、熱交換器は、周囲の空気に熱を放出し、周囲の空気を加熱する。
The heat exchanger of the indoor unit 300 exchanges heat with the surrounding air by passing the refrigerant through the pipe, and cools or heats the refrigerant. During the cooling operation, the heat exchanger functions as an evaporator and evaporates the refrigerant that has flowed in. Thereby, the heat exchanger absorbs heat from the surrounding air and cools the surrounding air. Further, during the heating operation, the heat exchanger functions as a condenser and condenses the inflowing gaseous refrigerant. As a result, the heat exchanger releases heat to the surrounding air and heats the surrounding air.
ダクト231Aのダンパは、搬送される空気の風量の調節や、空気の搬送と停止の切り替えを行う。
The damper of the duct 231A adjusts the air volume of the air to be conveyed and switches between air conveyance and stop.
ダクト231Bは、冷房時、給湯設備20からの冷排熱を室内機300に搬送する。室内機300に搬送される空気の温度が低いため、空調設備30による冷房の効率が上昇し、空調の負荷を軽減できる効果がある。
The duct 231B conveys cold exhaust heat from the hot water supply facility 20 to the indoor unit 300 during cooling. Since the temperature of the air conveyed to the indoor unit 300 is low, there is an effect that the efficiency of cooling by the air conditioning equipment 30 is increased and the load of air conditioning can be reduced.
図4に、全熱交換タイプの空調設備30の構成を示す。全熱交換タイプでは、建物230内の空気(内気)RAと外気OAが熱交換器400を通過する際に温度と湿度の交換を行う。冷房時、給湯設備20からの冷排熱が外気OAとなる。
FIG. 4 shows the configuration of the total heat exchange type air conditioning equipment 30. In the total heat exchange type, when the air (inside air) RA and the outside air OA in the building 230 pass through the heat exchanger 400, the temperature and humidity are exchanged. During cooling, the cold exhaust heat from the hot water supply facility 20 becomes the outside air OA.
外気OAが内気RAと熱交換した後、冷やされた内気SAが建物230の中へ排出され、暖められた外気EAが建物230の外へ排出される。
After the outside air OA exchanges heat with the inside air RA, the cooled inside air SA is discharged into the building 230, and the warmed outside air EA is discharged out of the building 230.
本実施形態においては、空調設備30は全館空調タイプとするが、全熱交換タイプでもよい。
In this embodiment, the air conditioning equipment 30 is a whole building air conditioning type, but may be a total heat exchange type.
なお、一般的な換気設備の吸気口に、給湯設備20からの冷排熱を排出するようにしてもよい。
In addition, you may make it discharge | emit the cold exhaust heat from the hot water supply equipment 20 to the inlet port of a general ventilation equipment.
次に、HEMSコントローラ100の詳細を説明する。図5に、HEMSコントローラ100の構成を示す。
Next, details of the HEMS controller 100 will be described. FIG. 5 shows the configuration of the HEMS controller 100.
通信部501は、NIC(Network Interface Card)を備え、建物230内に設置された通信線を介して、もしくは無線通信により、給湯設備20、空調設備30、ユーザ端末40、及び、電気機器70と通信する。また、通信部501は、通信ネットワーク80を介して、サーバ90と通信する。
The communication unit 501 includes a NIC (Network Interface Card), a hot water supply facility 20, an air conditioning facility 30, a user terminal 40, and an electrical device 70 via a communication line installed in the building 230 or by wireless communication. connect. The communication unit 501 communicates with the server 90 via the communication network 80.
画像処理部502は、画面データを生成し、例えばエネルギー管理システム1の現在の動作状態を示す画面や、ユーザから指示を受け付ける画面等、様々な画面をディスプレイ551に表示する。
The image processing unit 502 generates screen data and displays various screens on the display 551 such as a screen showing a current operation state of the energy management system 1 and a screen for receiving an instruction from the user.
音声処理部503は、記憶部505から音声データを取得し、再生し、音声をスピーカ552から出力する。
The audio processing unit 503 acquires audio data from the storage unit 505, reproduces it, and outputs audio from the speaker 552.
入力部504は、ボタンやタッチパネル等、ユーザからの入力を受け付ける入力デバイスを備える。
The input unit 504 includes an input device that receives input from the user, such as a button or a touch panel.
記憶部505は、ハードディスク等の記憶装置を備え、HEMSコントローラ100を制御する各種のプログラム、電気機器70等から取得した消費電力量や電気機器70の運転状態を示す実績データ、オペレーティングシステム(OS)、画像データ、音声データ、テキストデータ等を記憶する。
The storage unit 505 includes a storage device such as a hard disk, and includes various programs for controlling the HEMS controller 100, power consumption obtained from the electric device 70 and the like, actual data indicating the operating state of the electric device 70, and an operating system (OS). Image data, audio data, text data, etc. are stored.
制御部506は、CPU(Central Processing Unit)、ROM(Read Only Memory)、RAM(Random Access Memory)を備え、HEMSコントローラ100全体を制御する。
The control unit 506 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory), and controls the HEMS controller 100 as a whole.
情報取得部521は、給湯設備20、空調設備30、ユーザ端末40、発電設備50、蓄電設備60、電気機器70、及び、サーバ90から実績データ等の様々な情報を取得し、記憶部505に記憶する。
The information acquisition unit 521 acquires various information such as performance data from the hot water supply facility 20, the air conditioning facility 30, the user terminal 40, the power generation facility 50, the power storage facility 60, the electrical device 70, and the server 90, and stores it in the storage unit 505. Remember.
より詳細には、情報取得部521は、給湯設備20の動作状態、貯湯量、消費電力量等を示す実績データを給湯設備20から取得し、記憶部505に記憶する。
More specifically, the information acquisition unit 521 acquires performance data indicating the operating state of the hot water supply facility 20, the amount of stored hot water, the amount of power consumption, and the like from the hot water supply facility 20 and stores it in the storage unit 505.
また、情報取得部521は、空調設備30の動作状態、設定されている冷房や暖房といった動作モード、設定されている目標温度、測定された温度と湿度、消費電力量等を示す実績データを空調設備30から取得し、記憶部505に記憶する。
In addition, the information acquisition unit 521 air-conditions the performance data indicating the operation state of the air conditioning equipment 30, the set operation mode such as cooling and heating, the set target temperature, the measured temperature and humidity, the power consumption, and the like. Obtained from the facility 30 and stored in the storage unit 505.
また、情報取得部521は、ユーザ端末40を用いてユーザから入力されたユーザスケジュールを示すユーザスケジュールデータをユーザ端末40から取得し、記憶部505に記憶する。ユーザスケジュールは、ユーザ端末40だけでなく、HEMSコントローラ100の入力部504を用いて入力されてもよい。
Also, the information acquisition unit 521 acquires user schedule data indicating the user schedule input from the user using the user terminal 40 from the user terminal 40 and stores it in the storage unit 505. The user schedule may be input using the input unit 504 of the HEMS controller 100 as well as the user terminal 40.
また、情報取得部521は、発電設備50の動作状態、発電量、発電した時間等を示す実績データを発電設備50から取得し、記憶部505に記憶する。
In addition, the information acquisition unit 521 acquires the performance data indicating the operation state of the power generation facility 50, the amount of power generation, the time of power generation, and the like from the power generation facility 50 and stores them in the storage unit 505.
また、情報取得部521は、蓄電設備60の動作状態、蓄電量、蓄電した時間等を示す実績データを蓄電設備60から取得し、記憶部505に記憶する。
In addition, the information acquisition unit 521 acquires the performance data indicating the operation state of the power storage facility 60, the amount of power storage, the time when the power is stored, and the like from the power storage facility 60, and stores them in the storage unit 505.
また、情報取得部521は、電気機器70の動作状態、消費電力量等を示す実績データを電気機器70から取得し、記憶部505に記憶する。
In addition, the information acquisition unit 521 acquires performance data indicating the operating state, power consumption, and the like of the electric device 70 from the electric device 70 and stores it in the storage unit 505.
更に、情報取得部521は、現在の天気や気温や湿度等を示す気象データや、将来(例えば明日)の天気や気温や湿度等を示す気象データを、サーバ90もしくは公的機関や民間気象会社が管理するサーバ(図示せず)から取得し、記憶部505に記憶する。また、情報取得部521は、買電価格と売電価格を示す料金データを、サーバ90もしくは電気小売事業者が管理するサーバ(図示せず)から取得し、記憶部505に記憶する。
In addition, the information acquisition unit 521 receives the meteorological data indicating the current weather, temperature, humidity, etc., and the meteorological data indicating the future (for example, tomorrow) weather, temperature, humidity, etc. from the server 90 or a public institution or private weather company. Is acquired from a server (not shown) managed by and stored in the storage unit 505. Further, the information acquisition unit 521 acquires charge data indicating the power purchase price and the power sale price from the server 90 or a server (not shown) managed by the electric retailer and stores the data in the storage unit 505.
運転計画部522は、取得した各実績データと、ユーザスケジュールデータと、気象データと、料金データとに基づいて、給湯設備20の運転スケジュールと空調設備30の運転スケジュールを作成し、記憶部505に記憶する。なお、給湯設備20の運転スケジュールは、空調設備30の運転スケジュールに基づいて変更されることがあるが、詳しくは後述する。
The operation planning unit 522 creates an operation schedule for the hot water supply facility 20 and an operation schedule for the air conditioning facility 30 based on the acquired actual data, user schedule data, weather data, and fee data, and stores them in the storage unit 505. Remember. In addition, although the operation schedule of the hot water supply equipment 20 may be changed based on the operation schedule of the air conditioning equipment 30, the details will be described later.
なお、以下の説明において、給湯設備20の運転スケジュールを“第1運転スケジュール”と呼び、空調設備30の運転スケジュールを“第2運転スケジュール”と呼び、第2運転スケジュールに基づいて第1運転スケジュールが変更された運転スケジュールを“第3運転スケジュール”と呼ぶ。
In the following description, the operation schedule of the hot water supply facility 20 is referred to as “first operation schedule”, the operation schedule of the air conditioning facility 30 is referred to as “second operation schedule”, and the first operation schedule is based on the second operation schedule. The operation schedule in which is changed is referred to as a “third operation schedule”.
動作制御部523は、作成した運転スケジュールに基づいて、給湯設備20と空調設備30の動作を制御する。また、動作制御部523は、給湯設備20と空調設備30だけでなく、発電設備50と蓄電設備60と電気機器70の動作を制御する。
The operation control unit 523 controls the operations of the hot water supply equipment 20 and the air conditioning equipment 30 based on the created operation schedule. Further, the operation control unit 523 controls not only the hot water supply equipment 20 and the air conditioning equipment 30 but also the operations of the power generation equipment 50, the power storage equipment 60, and the electric equipment 70.
なお、動作制御部523は、発電設備50と蓄電設備60と電気機器70についても、各実績データとユーザスケジュールデータと気象データと料金データとに基づいて運転スケジュールを作成し、作成した運転スケジュールに基づいて動作を制御してもよい。また、動作制御部523は、運転スケジュールに因らずに、ユーザからの指示に基づいて給湯設備20と空調設備30と発電設備50と蓄電設備60と電気機器70の動作を制御することもできる。
Note that the operation control unit 523 also creates an operation schedule for the power generation facility 50, the power storage facility 60, and the electrical device 70 based on the actual data, the user schedule data, the weather data, and the charge data. The operation may be controlled based on this. In addition, the operation control unit 523 can also control the operations of the hot water supply facility 20, the air conditioning facility 30, the power generation facility 50, the power storage facility 60, and the electric device 70 based on an instruction from the user regardless of the operation schedule. .
次に、ユーザ端末40の詳細を説明する。図6に、ユーザ端末40の構成を示す。
Next, details of the user terminal 40 will be described. FIG. 6 shows the configuration of the user terminal 40.
通信部601は、NICを備え、HEMSコントローラ100と通信する。
The communication unit 601 includes a NIC and communicates with the HEMS controller 100.
画像処理部602は、ディスプレイ651に表示する画面を構成する画面データを生成し、様々な画面をディスプレイ651に表示する。
The image processing unit 602 generates screen data constituting a screen to be displayed on the display 651 and displays various screens on the display 651.
音声処理部603は、記憶部606から音声データを取得し、再生し、音声をスピーカ652から出力する。
The audio processing unit 603 acquires audio data from the storage unit 606, reproduces it, and outputs audio from the speaker 652.
I/O部604は、USB(Universal Serial Bus)等のインタフェースを備え、メモリカード、外付けハードディスク等をユーザ端末40に接続する。
The I / O unit 604 includes an interface such as a USB (Universal Serial Bus) and connects a memory card, an external hard disk, and the like to the user terminal 40.
入力部605は、ボタンやタッチパネル等、ユーザからの指示を受け付ける入力デバイスを備える。
The input unit 605 includes an input device that receives an instruction from the user, such as a button or a touch panel.
記憶部606は、ハードディスク等の記憶装置を備え、ユーザ端末40を制御する各種のプログラム、OS、画像データ、音声データ、テキストデータ等を記憶する。
The storage unit 606 includes a storage device such as a hard disk, and stores various programs for controlling the user terminal 40, OS, image data, audio data, text data, and the like.
制御部607は、CPU、ROM、RAMを備え、ユーザ端末40全体を制御する。
The control unit 607 includes a CPU, a ROM, and a RAM, and controls the entire user terminal 40.
ユーザ端末40は、具体的には例えば、タブレット型パーソナルコンピュータ、スマートフォン、携帯電話機等である。
Specifically, the user terminal 40 is, for example, a tablet personal computer, a smartphone, a mobile phone, or the like.
次に、HEMSコントローラ100によって行われるエネルギー管理処理について説明する。HEMSコントローラ100は、給湯設備20と空調設備30を連携させて効率よく動作させる。HEMSコントローラ100は、例えば、空調設備30による消費電力量を低減するように、給湯設備20と空調設備30とを連携させる。図7に、エネルギー管理処理を説明するためのフローチャートを示す。
Next, energy management processing performed by the HEMS controller 100 will be described. The HEMS controller 100 efficiently operates the hot water supply facility 20 and the air conditioning facility 30 in cooperation with each other. For example, the HEMS controller 100 links the hot water supply facility 20 and the air conditioning facility 30 so as to reduce the amount of power consumed by the air conditioning facility 30. FIG. 7 shows a flowchart for explaining the energy management process.
図7に示すエネルギー管理処理では、前述した第3運転スケジュールが設定される。エネルギー管理処理は、例えば、HEMSコントローラ100が給湯設備20と空調設備30とを制御する前日の予め設定された時刻にスタートする。なお、エネルギー管理処理は、例えば、前述した第2運転スケジュールがユーザにより変更された時にスタートしてもよい。
In the energy management process shown in FIG. 7, the third operation schedule described above is set. The energy management process starts, for example, at a preset time on the previous day when the HEMS controller 100 controls the hot water supply facility 20 and the air conditioning facility 30. The energy management process may be started when the above-described second operation schedule is changed by the user, for example.
まず、HEMSコントローラ100の制御部506は、買電価格と売電価格を示す料金データを、サーバ90もしくは電気小売事業者が管理する通信ネットワーク80上のコンピュータ(図示せず)から取得する(ステップS701)。制御部506は、取得した料金データを記憶部505に保存する。
First, the control unit 506 of the HEMS controller 100 acquires charge data indicating the power purchase price and the power sale price from the server 90 or a computer (not shown) on the communication network 80 managed by the electric retailer (step). S701). The control unit 506 stores the acquired fee data in the storage unit 505.
ただし、制御部506は、エネルギー管理処理とは別プロセスにて料金データを取得してもよい。制御部506は、例えば毎日の予め決められた時刻や、毎月の予め決められた日時といったように、エネルギー管理処理の実行の有無に関係なく定期的に、最新の料金データを取得するようにしてもよい。
However, the control unit 506 may acquire the charge data by a process different from the energy management process. The control unit 506 periodically acquires the latest charge data regardless of whether or not the energy management process is executed, such as a predetermined time every day or a predetermined date every month. Also good.
制御部506は、給湯設備20の運転スケジュールと空調設備30の運転スケジュールを記憶部505から取得する(ステップS702)。
The control unit 506 acquires the operation schedule of the hot water supply facility 20 and the operation schedule of the air conditioning facility 30 from the storage unit 505 (step S702).
ここで、運転スケジュールについて説明する。制御部506は、例えば図8に示すスケジュール画面をディスプレイ551に表示し、予定の内容と予定の開始時刻と予定の終了時刻とを含むユーザスケジュールの入力をユーザから受け付ける。図8には、スケジュール画面を表示させた現在時刻(例えば2015年4月1日00時00分)から一週間分のユーザスケジュールが表示されている。
Here, the operation schedule is explained. For example, the control unit 506 displays a schedule screen illustrated in FIG. 8 on the display 551, and receives an input of a user schedule including a schedule content, a schedule start time, and a schedule end time from the user. FIG. 8 shows a user schedule for one week from the current time (for example, 00:00:00 on April 1, 2015) when the schedule screen is displayed.
ユーザは、入力部504を操作して、もしくは、ユーザ端末40が備える入力デバイスを操作して、ユーザスケジュール、すなわち予定の内容と予定の開始時刻と予定の終了時刻とを入力する。本実施形態では、ユーザごとにユーザスケジュールを入力することができる。また、ユーザは、HEMSコントローラ100に予め登録された全てのユーザ(例えば家族全員)に対応付けられるユーザスケジュールや、電気機器70の動作のオンとオフといったような特にユーザを指定しないエネルギー管理システム1のスケジュールを入力することができる。ここでは、特にユーザを指定しないエネルギー管理システム1のスケジュールも、便宜上、ユーザスケジュールと呼ぶことにする。
The user operates the input unit 504 or operates an input device included in the user terminal 40 to input the user schedule, that is, the schedule content, the schedule start time, and the schedule end time. In this embodiment, a user schedule can be input for each user. In addition, the energy management system 1 in which the user does not designate a user such as a user schedule associated with all users registered in advance in the HEMS controller 100 (for example, the whole family), and on / off of the operation of the electric device 70. You can enter a schedule. Here, the schedule of the energy management system 1 that does not particularly designate a user is also referred to as a user schedule for convenience.
制御部506は、入力されたユーザスケジュールに基づいて、給湯設備20の第1運転スケジュール及び空調設備30の第2運転スケジュールを作成し、作成した第1運転スケジュールと第2運転スケジュールを示す運転スケジュールデータを記憶部505に保存する。
The control unit 506 creates a first operation schedule of the hot water supply facility 20 and a second operation schedule of the air conditioning facility 30 based on the input user schedule, and an operation schedule indicating the created first operation schedule and second operation schedule. Data is stored in the storage unit 505.
例えば、“2015年4月3日12時00分から2015年4月5日15時00分まで家族全員で旅行に行く”というユーザスケジュールが入力されると、制御部506は、開始時刻である2015年4月3日12時00分に給湯設備20による沸上げを停止し、終了時刻である2015年4月5日15時00分もしくはこの終了時刻より予め決められた時間だけ前(例えば2015年4月5日14時00分)に給湯設備20による沸上げを開始する、という運転スケジュールデータを作成し、記憶部505に記憶する。
For example, when a user schedule “going to travel with the whole family from 13:00 on April 3, 2015 to 15:00 on April 5, 2015” is input, the control unit 506 is the start time 2015. At 12:00 on April 3, 2015, boiling by the hot water supply equipment 20 was stopped, and the end time of April 5, 2015, 15:00, or a predetermined time before this end time (for example, 2015 Operation schedule data for starting boiling by the hot water supply equipment 20 at 14:00 on April 5) is created and stored in the storage unit 505.
図9に、記憶部505に記憶される、ユーザから入力されたスケジュールを示すユーザスケジュールデータの例を示す。制御部506は、スケジュールの識別番号(ID)と、予定に対応付けられるユーザと、予定の内容と、予定の開始時刻と、予定の終了時刻とを対応付けて、記憶部505に記憶する。
FIG. 9 shows an example of user schedule data indicating the schedule input from the user, which is stored in the storage unit 505. The control unit 506 stores the schedule identification number (ID), the user associated with the schedule, the schedule contents, the schedule start time, and the schedule end time in the storage unit 505 in association with each other.
図10に、記憶部505に記憶される、給湯設備20の第1運転スケジュールを示す運転スケジュールデータの例を示す。制御部506は、記憶部505に記憶されているユーザスケジュールに基づいて、スケジュールの識別番号と、制御の内容と、制御を行う時間(予定時刻)とを対応付けた給湯設備20の第1運転スケジュールを作成し、記憶部505に記憶する。
FIG. 10 shows an example of operation schedule data indicating the first operation schedule of the hot water supply facility 20 stored in the storage unit 505. Based on the user schedule stored in the storage unit 505, the control unit 506 performs the first operation of the hot water supply facility 20 in which the schedule identification number, the content of the control, and the time (scheduled time) for performing the control are associated with each other. A schedule is created and stored in the storage unit 505.
図11に、記憶部505に記憶される、空調設備30の第2運転スケジュールを示す運転スケジュールデータの例を示す。制御部506は、記憶部505に記憶されているユーザスケジュールに基づいて、スケジュールの識別番号と、制御の内容と、制御を行う時間(予定時刻)とを対応付けた空調設備30の第2運転スケジュールを作成し、記憶部505に記憶する。
FIG. 11 shows an example of operation schedule data indicating the second operation schedule of the air conditioning equipment 30 stored in the storage unit 505. Based on the user schedule stored in the storage unit 505, the control unit 506 associates the schedule identification number, the content of the control, and the time (scheduled time) for performing the control with the second operation of the air conditioning equipment 30. A schedule is created and stored in the storage unit 505.
なお、制御部506は、ユーザスケジュールに因らずに、各運転スケジュールを作成することもできる。すなわち、制御部506は、サーバ90もしくは電気小売事業者が管理する通信ネットワーク80上のコンピュータから取得した気象データに基づいて、将来(例えば明日)の電気機器70等による消費電力量と、発電設備50による発電量と、蓄電設備60による蓄電量とを予測する。そして、制御部506は、消費電力量と発電量と蓄電量の各予測値に基づいて、電気機器70と発電設備50と蓄電設備60の将来の各運転スケジュールを作成する。
Note that the control unit 506 can also create each operation schedule regardless of the user schedule. That is, the control unit 506 determines the amount of power consumed by the electrical device 70 in the future (for example tomorrow) based on the weather data acquired from the computer on the communication network 80 managed by the server 90 or the electric retailer, and the power generation facility The power generation amount by 50 and the power storage amount by the power storage facility 60 are predicted. And the control part 506 produces each future operation schedule of the electric equipment 70, the power generation equipment 50, and the electrical storage equipment 60 based on each predicted value of power consumption, electric power generation, and electrical storage.
図7のフローチャートに戻り、制御部506は、取得した空調設備30の第2運転スケジュールの中に、冷房の予定が含まれているか否かを判別する(ステップS703)。本実施形態では、制御部506は、翌日の第2運転スケジュールの中に冷房で運転する予定が組まれているか否かを判別する。
Returning to the flowchart of FIG. 7, the control unit 506 determines whether or not the cooling schedule is included in the acquired second operation schedule of the air conditioning equipment 30 (step S <b> 703). In the present embodiment, the control unit 506 determines whether or not the second driving schedule for the next day is scheduled to be operated by cooling.
例えば図11に示す第2運転スケジュールでは、識別番号B01で示されるスケジュールに対応する時刻から、識別番号B02で示されるスケジュールに対応する時刻まで、冷房で運転する予定が組まれている。
For example, in the second operation schedule shown in FIG. 11, there is a schedule for cooling operation from the time corresponding to the schedule indicated by the identification number B01 to the time corresponding to the schedule indicated by the identification number B02.
空調設備30の第2運転スケジュールの中に冷房の予定が含まれていると判別した場合(ステップS703;YES)、制御部506は、冷房を開始する予定時刻T1が、ユーザが給湯を使用する予定時刻T2よりも前か否かを判別する(ステップS704)。一方、空調設備30の第2運転スケジュールの中に冷房の予定が含まれていないと判別した場合(ステップS703;NO)、エネルギー管理処理を終了する。
When it is determined that the cooling schedule is included in the second operation schedule of the air conditioning equipment 30 (step S703; YES), the control unit 506 uses the hot water supply at the scheduled time T1 when the cooling is started. It is determined whether or not it is before the scheduled time T2 (step S704). On the other hand, when it is determined that the cooling schedule is not included in the second operation schedule of the air conditioning equipment 30 (step S703; NO), the energy management process is terminated.
例えば、図10に示すように給湯設備20の第1運転スケジュールが記憶されており、且つ、図11に示すように空調設備30の第2運転スケジュールが記憶されている場合、識別番号B01のスケジュールに対応する冷房を開始する予定時刻T2(2015年4月1日10時00分)は、識別番号A03のスケジュールに対応する給湯を開始する予定時刻T1(2015年4月1日12時30分)よりも前である。
For example, when the first operation schedule of the hot water supply facility 20 is stored as shown in FIG. 10 and the second operation schedule of the air conditioning facility 30 is stored as shown in FIG. 11, the schedule with the identification number B01 is stored. The scheduled time T2 (April 1, 2015 10:00) for starting the cooling corresponding to is scheduled to start the hot water supply corresponding to the schedule of the identification number A03 (April 1, 2015 12:30) ) Before.
なお、HEMSコントローラ100が給湯設備20に沸上げの開始を指示してから実際に給湯が開始されるまでのタイムラグを考慮し、制御部506は、給湯設備20の沸上げ開始時刻を、ユーザスケジュールによって指定された時刻もしくは給湯設備20の稼働履歴から計算した時刻よりも、予め決められた安全値だけ前の時刻としてもよい。
In consideration of the time lag from the time when the HEMS controller 100 instructs the hot water supply facility 20 to start boiling to the time when the hot water supply is actually started, the control unit 506 sets the boiling start time of the hot water supply facility 20 to the user schedule. It is also possible to set a time that is a predetermined safety value earlier than the time specified by or the time calculated from the operation history of the hot water supply facility 20.
冷房を開始する予定時刻T1が、給湯を使用する予定時刻T2よりも後である場合(ステップS704;NO)、エネルギー管理処理を終了する。
When the scheduled time T1 for starting the cooling is later than the scheduled time T2 for using the hot water supply (step S704; NO), the energy management process is terminated.
冷房を開始する予定時刻T1が、給湯を使用する予定時刻T2よりも前である場合(ステップS704;YES)、制御部506は、料金データに基づいて、冷房で運転する時間内に、予定されている給湯設備20による沸上げ時の買電価格よりも安い時間帯が含まれているか否かを判別する(ステップS705)。
When the scheduled time T1 for starting the cooling is before the scheduled time T2 for using the hot water supply (step S704; YES), the control unit 506 is scheduled within the time for operating the cooling based on the charge data. It is determined whether or not a time zone lower than the power purchase price at the time of boiling by the hot water supply facility 20 is included (step S705).
例えば、図12に示すように買電価格と給湯設備20の第1運転スケジュールと空調設備30の第2運転スケジュールとが設定されている場合、予定されている給湯設備20による沸上げ時の買電価格PB3は10円/kWhであり、また、冷房で運転する10時から22時までの第1区間1201のうち、10時から12時までの第2区間1202における買電価格PB2(7円/kWh)は、0時から6時までの第3区間1203における給湯設備20による沸上げ時の買電価格PB3(10円/kWh)よりも安い。よって、制御部506は、予定されている冷房で運転する時間内に、予定されている給湯設備20による沸上げ時の買電価格よりも安い時間帯が含まれている(ステップS705;YES)と判別する。
For example, as illustrated in FIG. 12, when a power purchase price, a first operation schedule of the hot water supply facility 20, and a second operation schedule of the air conditioning facility 30 are set, the purchase at the time of boiling by the scheduled hot water supply facility 20 is performed. The electric power price PB 3 is 10 yen / kWh, and the electric power purchase price PB 2 (in the second section 1202 from 10:00 to 12:00 of the first section 1201 from 10:00 to 22:00 that is operated by cooling. 7 yen / kWh) is lower than the power purchase price PB 3 (10 yen / kWh) at the time of boiling by the hot water supply facility 20 in the third section 1203 from 0:00 to 6:00. Therefore, the control unit 506 includes a time zone that is cheaper than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 within the scheduled operation time for cooling (step S705; YES). Is determined.
なお、ステップS705において、制御部506は、発電設備50による発電電力を逆潮流させて電気小売事業者へ売電することによりユーザが得られる利益を考慮しつつ、冷房で運転する時間内に、予定されている給湯設備20による沸上げ時の買電価格よりも安い時間帯が含まれているか否かを判別してもよい。
In step S705, the control unit 506 considers the profit obtained by the user by reversing the power generated by the power generation facility 50 and selling the electric power to the electric retailer, and within the time of operating in cooling, It may be determined whether or not a time zone cheaper than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 is included.
例えば図12において、制御部506は、第2区間1202における買電価格PB2から第2区間1202における売電価格PS2を差し引いた額ΔP2と、第3区間1203における買電価格PB3から第3区間1203における売電価格PS3を差し引いた額ΔP3とを比較し、ΔP2がΔP3より小さければ、予定されている冷房で運転する時間内に、予定されている給湯設備20による沸上げ時の買電価格よりも安い時間帯が含まれている(ステップS705;YES)と判別する。一方、ΔP2がΔP3より小さくなければ、制御部506は、予定されている冷房で運転する時間内に、予定されている給湯設備20による沸上げ時の買電価格よりも安い時間帯が含まれていない(ステップS705;NO)と判別する。
For example, in FIG. 12, the control unit 506 determines the amount ΔP 2 obtained by subtracting the power sale price PS 2 in the second section 1202 from the power purchase price PB 2 in the second section 1202 and the power purchase price PB 3 in the third section 1203. Compared with the amount ΔP 3 obtained by subtracting the power selling price PS 3 in the third section 1203, if ΔP 2 is smaller than ΔP 3 , the scheduled hot water supply facility 20 is operated within the scheduled cooling time. It is determined that a time zone cheaper than the electricity purchase price at the time of boiling is included (step S705; YES). On the other hand, if ΔP 2 is not smaller than ΔP 3 , the control unit 506 has a time zone that is cheaper than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 within the scheduled cooling time. It is determined that it is not included (step S705; NO).
冷房で運転する時間内に、予定されている給湯設備20による沸上げにかかる電気代よりも安い時間帯が含まれていると判別した場合(ステップS705;YES)、制御部506は、給湯設備20の運転スケジュール、より具体的には給湯設備20による沸上げのスケジュールを、変更する(ステップS706)。一方、冷房で運転する時間内に、予定されている給湯設備20による沸上げ時の買電価格よりも安い時間帯が含まれていないと判別した場合(ステップS705;NO)、エネルギー管理処理を終了する。
When it is determined that a time zone cheaper than the electricity bill required for boiling by the scheduled hot water supply facility 20 is included in the operation time in the cooling (step S705; YES), the control unit 506 displays the hot water supply facility. The operation schedule of 20, more specifically, the schedule of boiling by the hot water supply facility 20 is changed (step S <b> 706). On the other hand, if it is determined that the time period during which the cooling operation is performed does not include a time zone cheaper than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 (step S705; NO), the energy management process is performed. finish.
図13を用いて、第2運転スケジュールに基づいて第1運転スケジュールを変更して第3運転スケジュールを作成する処理を詳しく説明する。制御部506は、冷房で運転する予定時間(例えば10時から22時まで)のうち、予定されている給湯設備20による沸上げにかかる買電価格よりも安い第2区間1202に、給湯設備20による沸上げを行うスケジュールの一部を移動する。
FIG. 13 is used to explain in detail the process of creating the third operation schedule by changing the first operation schedule based on the second operation schedule. The control unit 506 supplies the hot water supply facility 20 to the second section 1202 that is lower than the power purchase price for boiling by the scheduled hot water supply facility 20 during the scheduled time (for example, from 10:00 to 22:00) for cooling operation. Move part of the schedule for boiling by.
より詳細には、制御部506は、沸上げを行うスケジュールのうち、給湯設備20を使用する時刻T2から遠い時間帯のスケジュールの一部を、買電価格が安い第2区間1202に移動する。
More specifically, the control unit 506 moves a part of the schedule in the time zone far from the time T2 when the hot water supply facility 20 is used, to the second section 1202 where the power purchase price is low, among the schedules for boiling.
すなわち、制御部506は、図13において、沸上げを行う第3区間1203のうち、買電価格が安い時間帯である第2区間1202に相当する時間長(この場合2時間)の区間であって、給湯設備20を使用する時刻T2から遠い区間1300のスケジュールを、買電価格が安い第2区間1202に移動する。
That is, in FIG. 13, the control unit 506 is a section having a time length (in this case, two hours) corresponding to the second section 1202 in which the power purchase price is low in the third section 1203 for boiling. Thus, the schedule of the section 1300 far from the time T2 when the hot water supply facility 20 is used is moved to the second section 1202 where the power purchase price is low.
この結果、給湯設備20による沸上げは、当初の第1運転スケジュールでは0時から6時まで継続して行われることになっていたものが、第3運転スケジュールでは、2時から6時まで、及び、10時から12時まで、に分割される。
As a result, boiling by the hot water supply facility 20 was supposed to be performed continuously from 0:00 to 6:00 in the first operation schedule, but in the third operation schedule from 2:00 to 6:00, And from 10 o'clock to 12 o'clock.
ユーザが給湯設備20を使用する時刻T2により近い時間帯に沸上げを行うことにより、熱損失を減らす効果がある。また、空調設備30による冷房では、一般に稼働開始時に比較的大きな負荷がかかるため、給湯設備20からの冷排熱を空調設備30の稼働開始時に利用することにより、省エネルギーの効果が高まる。
When the user performs boiling in a time zone closer to the time T2 when the hot water supply facility 20 is used, there is an effect of reducing heat loss. Further, in the cooling by the air conditioning equipment 30, since a relatively large load is generally applied at the start of operation, the use of the cold exhaust heat from the hot water supply equipment 20 at the start of the operation of the air conditioning equipment 30 increases the energy saving effect.
なお、沸上げのスケジュールの一部を後ろにずらすことにより、時刻T3から時刻T2までの間に湯切れを起こす可能性がある。このため、制御部506は、貯湯タンク201に予め決められた最低湯量が常に確保されることを条件に、第3運転スケジュールを作成することが望ましい。また、沸上げ運転の時間帯を分割したことにより、沸上げ運転の開始後沸上げしない時間が生じるが、この間、制御部506は、給湯設備20が保温運転するように第1運転スケジュールを設定してもよい。
In addition, there is a possibility of running out of hot water from time T3 to time T2 by shifting a part of the boiling schedule backward. For this reason, it is desirable for the control unit 506 to create the third operation schedule on the condition that a predetermined minimum amount of hot water is always secured in the hot water storage tank 201. In addition, since the boiling operation time period is divided, there is a time during which the boiling operation is not started after the start of the boiling operation. During this time, the control unit 506 sets the first operation schedule so that the hot water supply facility 20 performs the heat insulation operation. May be.
次に、制御部506は、設定されている冷房の目標温度に基づいて、給湯設備20の室外機210の能力を三段階のいずれに設定するかを決定する。
Next, the control unit 506 determines which of the three levels the capacity of the outdoor unit 210 of the hot water supply facility 20 is set based on the set target temperature of cooling.
すなわち、制御部506は、空調設備30の第2運転スケジュールに基づいて、設定されている冷房の目標温度が、予め決められた第1の温度よりも低いか否かを判別する(ステップS707)。
That is, the control unit 506 determines whether or not the set target temperature for cooling is lower than the predetermined first temperature based on the second operation schedule of the air conditioning equipment 30 (step S707). .
設定されている冷房の目標温度が第1の温度よりも低い場合(ステップS707;YES)、制御部506は、給湯設備20の室外機210の能力を“高”に設定し(ステップS708)、給湯設備20を動作させる第3運転スケジュールを決定する。
When the set target temperature of cooling is lower than the first temperature (step S707; YES), the control unit 506 sets the capacity of the outdoor unit 210 of the hot water supply facility 20 to “high” (step S708). A third operation schedule for operating the hot water supply facility 20 is determined.
設定されている冷房の目標温度が第1の温度よりも低くない場合(ステップS707;NO)、制御部506は、設定されている冷房の目標温度が、予め決められた第2の温度よりも高いか否かを判別する(ステップS709)。
When the set cooling target temperature is not lower than the first temperature (step S707; NO), the control unit 506 determines that the set cooling target temperature is lower than the predetermined second temperature. It is determined whether or not it is high (step S709).
設定されている冷房の目標温度が、予め決められた第2の温度よりも高くない場合(ステップS709;NO)、制御部506は、給湯設備20の室外機210の能力を“中”に設定し(ステップS710)、給湯設備20を動作させる第3運転スケジュールを決定する。
When the set cooling target temperature is not higher than the predetermined second temperature (step S709; NO), the control unit 506 sets the capacity of the outdoor unit 210 of the hot water supply facility 20 to “medium”. (Step S710), a third operation schedule for operating the hot water supply facility 20 is determined.
設定されている冷房の目標温度が、予め決められた第2の温度よりも高い場合(ステップS709;YES)、制御部506は、給湯設備20の室外機210の能力を“低”に設定し(ステップS711)、給湯設備20を動作させる第3運転スケジュールを決定する。
When the set cooling target temperature is higher than the predetermined second temperature (step S709; YES), the control unit 506 sets the capacity of the outdoor unit 210 of the hot water supply facility 20 to “low”. (Step S711), a third operation schedule for operating the hot water supply facility 20 is determined.
図14に、室外機210の能力と冷排熱の温度(単位は摂氏)との関係、及び、室外機210の能力と消費電力量(単位はワット時)との関係を示す。室外機210の能力とは、具体的には、室外機210による単位時間あたりの熱交換量である。室外機210の能力が高いということは、室外機210による単位時間あたりの熱交換量が多いということである。言い換えれば、室外機210の能力が高いほど、沸上げが早い。
FIG. 14 shows the relationship between the capacity of the outdoor unit 210 and the temperature of cold exhaust heat (unit is Celsius), and the relationship between the capacity of the outdoor unit 210 and power consumption (unit is watt hour). Specifically, the capacity of the outdoor unit 210 is a heat exchange amount per unit time by the outdoor unit 210. The high capacity of the outdoor unit 210 means that the heat exchange amount per unit time by the outdoor unit 210 is large. In other words, the higher the capacity of the outdoor unit 210, the faster the boiling.
室外機210の能力が上がるほど、消費電力量がより多くなるものの、冷排熱の温度はより下がる傾向にある。また、室外機210の能力が下がるほど、消費電力量がより少なくなるものの、冷排熱の温度はより上がる傾向にある。
As the capacity of the outdoor unit 210 increases, the amount of power consumption increases, but the temperature of the cold exhaust heat tends to decrease. Further, as the capacity of the outdoor unit 210 decreases, the amount of power consumption decreases, but the temperature of cold exhaust heat tends to increase.
本実施形態では、HEMSコントローラ100から設定可能な室外機210の能力は、高、中、低、の三段階としている。冷房の目標温度が第1の温度以上且つ第2の温度以下であれば、“中”に設定される。冷房の目標温度が第1の温度より低ければ、“高”に設定される。冷房の目標温度が第2の温度より高ければ、“低”に設定される。
In this embodiment, the capacity of the outdoor unit 210 that can be set from the HEMS controller 100 is set to three levels: high, medium, and low. If the target temperature for cooling is not less than the first temperature and not more than the second temperature, it is set to “medium”. If the target temperature for cooling is lower than the first temperature, it is set to “high”. If the target temperature for cooling is higher than the second temperature, it is set to “low”.
ただし、制御部506が設定可能な室外機210の能力は三段階で決められなくてもよく、一段階、二段階、あるいは、四段階以上であってもよい。一段階であれば、室外機210の能力は固定となり、ステップS707からステップS711の処理は不要である。
However, the capacity of the outdoor unit 210 that can be set by the control unit 506 may not be determined in three stages, and may be one, two, or four or more stages. If it is one stage, the capacity of the outdoor unit 210 is fixed, and the processing from step S707 to step S711 is unnecessary.
二段階であれば、ステップS709及びステップS710が不要であり、ステップS707において冷房の目標温度が第1の温度よりも高ければ(ステップS707;NO)、制御部506は、給湯設備20の室外機210の能力を“低”に設定する(ステップS711)。
If there are two stages, steps S709 and S710 are unnecessary, and if the target temperature for cooling is higher than the first temperature in step S707 (step S707; NO), the control unit 506 causes the outdoor unit of the hot water supply facility 20 to operate. The capability of 210 is set to “low” (step S711).
四段階であれば、制御部506は、ステップS709において冷房の目標温度が第2の温度よりも高いか否かを判別する代わりに、冷房の目標温度が第3の温度(ただし第1の温度<第3の温度<第2の温度とする)よりも低いか否かを判別する。冷房の目標温度が第3の温度よりも低ければ、“中”(上から二番目に高い能力)に設定し、冷房の目標温度が第3の温度よりも低くなければ、ステップS709と同様に冷房の目標温度が第2の温度よりも高いか否かを判別する。冷房の目標温度が第3の温度よりも低ければ、“第1の低”(上から三番目に高い能力)に設定し、冷房の目標温度が第3の温度よりも低くなければ、“第2の低”(上から四番目に高い(最も低い)能力)に設定する。五段階以上の場合、四段階と同様、目標温度によるふるい分けの回数を増やしていけばよい。
If there are four stages, the control unit 506 determines that the cooling target temperature is the third temperature (however, the first temperature) instead of determining whether the cooling target temperature is higher than the second temperature in step S709. It is determined whether the temperature is lower than <third temperature <second temperature). If the target temperature for cooling is lower than the third temperature, it is set to “medium” (second highest capability from the top). If the target temperature for cooling is not lower than the third temperature, the same as in step S709. It is determined whether or not the target temperature for cooling is higher than the second temperature. If the target temperature for cooling is lower than the third temperature, it is set to “first low” (the third highest capacity from the top), and if the target temperature for cooling is not lower than the third temperature, Set to 2 low "(the fourth highest (lowest) ability from the top). If there are more than 5 stages, the number of times of sieving by the target temperature should be increased as in the case of 4 stages.
なお、給湯設備20による沸上げを行う時間帯と、空調設備30による冷房を行う時間帯とが重なる場合、制御部506は、冷房中には室外機210の能力を“高”に設定し、冷房していない間には室外機210の能力を“低”に設定する、といったように、給湯設備20の運転スケジュールを調整することで、エネルギー管理システム1全体の効率を上げる。
When the time zone for boiling by the hot water supply equipment 20 and the time zone for cooling by the air conditioning equipment 30 overlap, the control unit 506 sets the capacity of the outdoor unit 210 to “high” during cooling, By adjusting the operation schedule of the hot water supply facility 20 such that the capacity of the outdoor unit 210 is set to “low” while not being cooled, the efficiency of the entire energy management system 1 is increased.
また、制御部506は、給湯設備20の稼働時間を変更するとともに、室外機210の能力を変更するように第1運転スケジュールを変更する。図15、16に示すように、空調設備30の第2運転スケジュールが23時から0時まで冷房となっていて、給湯設備20の第1運転スケジュールが0時半から5時まで能力“中”で沸上げとなっている場合を例に具体的に説明する。
Also, the control unit 506 changes the first operation schedule so as to change the operating time of the hot water supply facility 20 and change the capacity of the outdoor unit 210. As shown in FIGS. 15 and 16, the second operation schedule of the air conditioner 30 is cooling from 23:00 to 0:00, and the first operation schedule of the hot water supply facility 20 is “medium” from 0:30 to 5:00. A specific example will be described in the case of boiling.
このような場合、制御部506は、空調設備30による冷房動作が設定されている23時から0時の時間に、給湯設備20を能力“高”で沸上げ運転させるように第1運転スケジュールを変更し、この間の給湯設備20からの冷排熱を空調設備30に使用させる。23時から0時の間に給湯設備20が能力“高”で沸上げ運転することにより、従来の運転時間(0時半から5時)を減少させることができる。そして、制御部506は、例えば、必要な沸上げ量のうち、残りの沸上げ量を2時から5時の間に能力“低”で沸上げるように、第1運転スケジュールを変更する。
In such a case, the control unit 506 sets the first operation schedule so that the hot water supply facility 20 is heated at the capacity “high” during the time from 23:00 to 0:00 when the cooling operation by the air conditioning facility 30 is set. The air conditioner 30 is caused to use the cold exhaust heat from the hot water supply facility 20 during this period. Since the hot water supply facility 20 performs a boiling operation at a high capacity between 23:00 and 00:00, the conventional operation time (from 0:30 to 5:00) can be reduced. Then, for example, the control unit 506 changes the first operation schedule so that the remaining boiling amount out of the required boiling amount is boiled at the capacity “low” between 2 o'clock and 5 o'clock.
なお、空調設備30の第2運転スケジュールが設定されていない場合であっても、例えば、HEMSコントローラ100の記憶部505に、ユーザの就寝時間の代表値(平均値、中央値など)を記憶しておき、ユーザの就寝時間まで、沸上げの能力を“高”で給湯設備20を運転するように設定してもよい。
Even if the second operation schedule of the air conditioning equipment 30 is not set, for example, the representative value (average value, median value, etc.) of the user's bedtime is stored in the storage unit 505 of the HEMS controller 100. In addition, the hot water supply facility 20 may be set to operate at a “high” boiling capacity until the user bedtime.
また、図15、16の例において、変更後の第1運転スケジュールでは、0時から2時の間に沸上げ運転しない時間が生じるが、この間は、給湯設備20が保温運転するように設定してもよい。
In the examples of FIGS. 15 and 16, in the changed first operation schedule, there is a time during which the boiling operation is not performed between 0 o'clock and 2 o'clock, but during this time, the hot water supply facility 20 may be set to perform a heat insulation operation. Good.
このように、本実施形態によれば、給湯設備20による冷排熱を空調設備30において有効に用いることにより、給湯設備と空調設備を連携させて省エネルギーを実現することができる。また、給湯設備20による冷排熱を空調設備30において有効に用いることができるように、空調設備30の運転スケジュールに基づいて給湯設備20の運転スケジュールを変更可能とすることにより、省エネルギーの効果を高めることができる。
Thus, according to the present embodiment, by effectively using the cold exhaust heat from the hot water supply facility 20 in the air conditioning facility 30, it is possible to realize energy saving by linking the hot water supply facility and the air conditioning facility. In addition, by making it possible to change the operation schedule of the hot water supply equipment 20 based on the operation schedule of the air conditioning equipment 30 so that the cold exhaust heat from the hot water supply equipment 20 can be used effectively in the air conditioning equipment 30, an energy saving effect can be achieved. Can be increased.
本発明は、上述した実施形態に限定されず、種々の変形及び応用が可能である。また、上述した実施形態の各構成要素を自由に組み合わせることも可能である。
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.
(変形例1)
上記の実施形態では、HEMSコントローラ100が建物内に配置された場合について説明したが、HEMSコントローラ100を建物外に配置するようにしてもよい。例えば、インターネット上のサーバ90をHEMSコントローラ100として機能させてもよい。 (Modification 1)
In the above embodiment, the case where theHEMS controller 100 is arranged in the building has been described, but the HEMS controller 100 may be arranged outside the building. For example, the server 90 on the Internet may function as the HEMS controller 100.
上記の実施形態では、HEMSコントローラ100が建物内に配置された場合について説明したが、HEMSコントローラ100を建物外に配置するようにしてもよい。例えば、インターネット上のサーバ90をHEMSコントローラ100として機能させてもよい。 (Modification 1)
In the above embodiment, the case where the
例えば、図17に示すように、建物内には、HEMSコントローラ100の代わりに、ルータ1700が配置されている。一方、宅外の通信ネットワーク80上には、HEMSコントローラ100として機能するサーバ90が配置されている。この場合、ルータ1700とサーバ90とが協働して、HEMSコントローラ100の役割を果たす。
For example, as shown in FIG. 17, a router 1700 is arranged in the building instead of the HEMS controller 100. On the other hand, a server 90 that functions as the HEMS controller 100 is disposed on the communication network 80 outside the home. In this case, the router 1700 and the server 90 cooperate to play the role of the HEMS controller 100.
(変形例2)
図18に、変形例2におけるHEMSコントローラ100の機能的な構成を示す。制御部506と画像処理部502が協働して、第1運転スケジュールと第2運転スケジュールと第3運転スケジュールを表示する表示部1801として機能する。また、制御部506と入力部504が協働して、表示された第1運転スケジュール又は第3運転スケジュールに従って給湯設備20を制御し且つ表示された第2運転スケジュールに基づいて空調設備30の動作を制御するか否かのユーザからの指示を受け付ける入力受付部1802として機能する。 (Modification 2)
FIG. 18 shows a functional configuration of theHEMS controller 100 in the second modification. The control unit 506 and the image processing unit 502 cooperate to function as a display unit 1801 that displays the first operation schedule, the second operation schedule, and the third operation schedule. In addition, the control unit 506 and the input unit 504 cooperate to control the hot water supply facility 20 according to the displayed first operation schedule or the third operation schedule and to operate the air conditioning facility 30 based on the displayed second operation schedule. It functions as an input receiving unit 1802 that receives an instruction from the user as to whether or not to control.
図18に、変形例2におけるHEMSコントローラ100の機能的な構成を示す。制御部506と画像処理部502が協働して、第1運転スケジュールと第2運転スケジュールと第3運転スケジュールを表示する表示部1801として機能する。また、制御部506と入力部504が協働して、表示された第1運転スケジュール又は第3運転スケジュールに従って給湯設備20を制御し且つ表示された第2運転スケジュールに基づいて空調設備30の動作を制御するか否かのユーザからの指示を受け付ける入力受付部1802として機能する。 (Modification 2)
FIG. 18 shows a functional configuration of the
この変形例2では、制御部506は、給湯設備20の第1運転スケジュールと空調設備30の第2運転スケジュールを作成すると、作成した第1運転スケジュールと第2運転スケジュールを、第1運転スケジュールと第2運転スケジュールに基づく制御の実行前に、ディスプレイ551に表示する。
In the second modification, when the control unit 506 creates the first operation schedule of the hot water supply facility 20 and the second operation schedule of the air conditioning facility 30, the created first operation schedule and second operation schedule are changed to the first operation schedule. The information is displayed on the display 551 before the control based on the second operation schedule is executed.
そして、制御部506は、表示された第1運転スケジュールに従って給湯設備20の動作を制御し且つ表示された第2運転スケジュールに従って空調設備30の動作を制御するか否かのユーザからの指示を受け付ける。表示された第1運転スケジュールと第2運転スケジュールに従って給湯設備20と空調設備30を動作させる旨のユーザからの指示が入力されると、第1運転スケジュールに基づいて給湯設備20の動作を制御し、第2運転スケジュールに基づいて空調設備30の動作を制御する。
Then, control unit 506 receives an instruction from the user as to whether to control the operation of hot water supply facility 20 according to the displayed first operation schedule and to control the operation of air conditioning facility 30 according to the displayed second operation schedule. . When an instruction from the user to operate the hot water supply facility 20 and the air conditioning facility 30 is input according to the displayed first operation schedule and second operation schedule, the operation of the hot water supply facility 20 is controlled based on the first operation schedule. The operation of the air conditioning equipment 30 is controlled based on the second operation schedule.
また、制御部506は、空調設備30の第2運転スケジュールに基づいて給湯設備20の第1運転スケジュールを変更して第3運転スケジュールを作成すると、作成した第3運転スケジュールを、第3運転スケジュールに基づく制御の実行前に、ディスプレイ551に表示する。
Moreover, if the control part 506 changes the 1st driving | running schedule of the hot water supply equipment 20 based on the 2nd driving | running schedule of the air-conditioning equipment 30, and creates a 3rd driving | running schedule, the produced | generated 3rd driving | running schedule will be 3rd driving | running schedule This is displayed on the display 551 before execution of the control based on.
そして、制御部506は、表示された第3運転スケジュールに従って給湯設備20の動作を制御するか否かのユーザからの指示を受け付ける。表示された第3運転スケジュールに従って給湯設備20を動作させる旨のユーザからの指示が入力されると、第3運転スケジュールに基づいて給湯設備20の動作を制御する。
And the control part 506 receives the instruction | indication from a user of whether to control operation | movement of the hot water supply equipment 20 according to the displayed 3rd driving | running schedule. When an instruction from the user to operate the hot water supply facility 20 is input according to the displayed third operation schedule, the operation of the hot water supply facility 20 is controlled based on the third operation schedule.
なお、制御部506は、第1運転スケジュールと第2運転スケジュールについては、ユーザからの明示的な指示がなくても直ちに適用して給湯設備20と空調設備30を制御し、第3運転スケジュールについては、ユーザからの明示的な指示があった後に適用して給湯設備20を制御してもよい。
Note that the control unit 506 applies the first operation schedule and the second operation schedule immediately without any explicit instruction from the user to control the hot water supply equipment 20 and the air conditioning equipment 30, and the third operation schedule. May be applied after receiving an explicit instruction from the user to control the hot water supply facility 20.
(変形例3)
上記実施形態では、運転スケジュールによって決められた特定の時間に空調設備30が稼働することとしているが、24時間継続して空調設備30を稼働させる場合には、制御部506は、サーバ90もしくは通信ネットワーク80上のコンピュータから取得した気象データに基づいて、予測される外気温が予め決められた温度より高い時間帯を判別し、この判別した時間帯を、ステップS703における“冷房で運転する予定の時間”に置き換えることができる。 (Modification 3)
In the above embodiment, theair conditioning equipment 30 is operated at a specific time determined by the operation schedule. However, when the air conditioning equipment 30 is operated continuously for 24 hours, the control unit 506 is configured to operate the server 90 or the communication. Based on the weather data acquired from the computer on the network 80, a time zone in which the predicted outside air temperature is higher than a predetermined temperature is discriminated, and the discriminated time zone is determined as “to be operated in cooling” in step S703. Can be replaced by “time”.
上記実施形態では、運転スケジュールによって決められた特定の時間に空調設備30が稼働することとしているが、24時間継続して空調設備30を稼働させる場合には、制御部506は、サーバ90もしくは通信ネットワーク80上のコンピュータから取得した気象データに基づいて、予測される外気温が予め決められた温度より高い時間帯を判別し、この判別した時間帯を、ステップS703における“冷房で運転する予定の時間”に置き換えることができる。 (Modification 3)
In the above embodiment, the
この場合、制御部506は、ステップS703において、冷房の予定があるか否かを判別する代わりに、予測される外気温が予め決められた温度より高い時間帯があるか否かを判別すればよい。
In this case, in step S703, the control unit 506 determines whether there is a time zone in which the predicted outside air temperature is higher than a predetermined temperature instead of determining whether there is a plan for cooling. Good.
また、制御部506は、ステップS704において、冷房を開始する予定時刻T1が、給湯を使用する予定時刻T2よりも前か否かを判別する代わりに、外気温が予め決められた温度より高くなると予測される時刻が、給湯を使用する予定時刻T2よりも前か否かを判別すればよい。
Further, in step S704, instead of determining whether or not the scheduled time T1 for starting the cooling is earlier than the scheduled time T2 for using the hot water supply, the control unit 506 determines that the outside air temperature becomes higher than the predetermined temperature. What is necessary is just to discriminate | determine whether the estimated time is before the scheduled time T2 which uses hot water supply.
また、制御部506は、ステップS705において、冷房で運転する時間内に、予定されている給湯設備20による沸上げ時の買電価格よりも安い時間帯が含まれているか否かを判別する代わりに、予測される外気温が予め決められた温度より高い時間内に、予定されている給湯設備20による沸上げ時の買電価格よりも安い時間帯が含まれているか否かを判別すればよい。
Further, in step S705, the control unit 506 determines whether or not a time zone cheaper than the power purchase price at the time of boiling by the hot water supply facility 20 is included in the cooling operation time. In addition, if it is determined whether or not a time zone in which the predicted outside air temperature is higher than a predetermined temperature includes a time period lower than the power purchase price at the time of boiling by the scheduled hot water supply facility 20 is included. Good.
また、制御部506は、ステップS706において、冷房で運転する時間内のうち、予定されている給湯設備20による沸上げにかかる買電価格よりも安い第2区間1202に、給湯設備20による沸上げのスケジュールの一部をシフトする代わりに、予測される外気温が予め決められた温度より高い時間内のうち、予定されている給湯設備20による沸上げにかかる買電価格よりも安い時間帯に、給湯設備20による沸上げのスケジュールの一部をシフトすればよい。
Further, in step S706, the control unit 506 raises the boiling point by the hot water supply facility 20 to the second section 1202 that is lower than the planned power purchase price for the boiling by the hot water supply facility 20 within the cooling operation time. Instead of shifting a part of the schedule, the time when the predicted outside air temperature is higher than a predetermined temperature and is lower than the planned power purchase price for boiling by the hot water supply facility 20 A part of the boiling schedule by the hot water supply facility 20 may be shifted.
(変形例4)
図13、図15の例に示すように、制御部506が給湯設備20の第1運転スケジュールを変更する場合、変更する前に、ユーザに第1運転スケジュールを変更するか否かの問い合わせを行うように設計してもよい。 (Modification 4)
As illustrated in the examples of FIGS. 13 and 15, when thecontrol unit 506 changes the first operation schedule of the hot water supply facility 20, the user is inquired whether to change the first operation schedule before the change. You may design as follows.
図13、図15の例に示すように、制御部506が給湯設備20の第1運転スケジュールを変更する場合、変更する前に、ユーザに第1運転スケジュールを変更するか否かの問い合わせを行うように設計してもよい。 (Modification 4)
As illustrated in the examples of FIGS. 13 and 15, when the
この場合、制御部506は、画像処理部502に、変更後の第1運転スケジュールとともに、「運転スケジュールを下記のように変更しますがよろしいですか。」、「運転スケジュールを下記のように変更すると、○○円電気代がお得になります。変更しますか。」といったメッセージをディスプレイ551に表示させる旨の指示を送出する。ディスプレイ551に上記のメッセージが表示されると、入力部504は、ユーザの指示を受け付け、受け付けた指示を制御部506に送出する。制御部506は、入力部504から送出された指示に基づいて、給湯設備20の第1運転スケジュールを変更する。
In this case, the control unit 506 instructs the image processing unit 502 to change the driving schedule as follows, along with the changed first driving schedule. Then, an instruction to display on the display 551 such a message as “XX yen electricity bill is advantageous. When the above message is displayed on the display 551, the input unit 504 receives a user instruction and sends the received instruction to the control unit 506. Control unit 506 changes the first operation schedule of hot water supply facility 20 based on the instruction sent from input unit 504.
なお、上記メッセージをユーザ端末40に表示させるように設計してもよい。
It should be noted that the message may be designed to be displayed on the user terminal 40.
上記実施形態及び変形例1から4を任意に組み合わせて実施することが可能である。
It is possible to implement any combination of the above embodiment and the first to fourth modifications.
上記のHEMSコントローラ100の全部又は一部としてコンピュータを動作させるためのプログラムを、メモリカード、CD-ROM、DVD、MO(Magneto Optical disk)などのコンピュータが読み取り可能な記録媒体に格納して配布し、これを別のコンピュータにインストールし、上述の手段として動作させ、あるいは、上述の工程を実行させてもよい。
A program for operating a computer as all or a part of the HEMS controller 100 is stored and distributed in a computer-readable recording medium such as a memory card, CD-ROM, DVD, or MO (Magneto Optical disk). This may be installed in another computer and operated as the above-described means, or the above-described steps may be executed.
更に、インターネット上のサーバ装置が有するディスク装置等にプログラムを格納しておき、例えば、搬送波に重畳させて、コンピュータにダウンロード等するものとしてもよい。
Furthermore, the program may be stored in a disk device or the like included in a server device on the Internet, and may be downloaded onto a computer by being superimposed on a carrier wave, for example.
本発明は、本発明の広義の精神と範囲を逸脱することなく、様々な実施形態及び変形が可能とされるものである。また、上述した実施形態は、本発明を説明するためのものであり、本発明の範囲を限定するものではない。つまり、本発明の範囲は、実施形態ではなく、請求の範囲によって示される。そして、請求の範囲内及びそれと同等の発明の意義の範囲内で施される様々な変形が、本発明の範囲内とみなされる。
The present invention is capable of various embodiments and modifications without departing from the broad spirit and scope of the present invention. Further, the above-described embodiment is for explaining the present invention, and does not limit the scope of the present invention. That is, the scope of the present invention is shown not by the embodiments but by the claims. Various modifications within the scope of the claims and within the scope of the equivalent invention are considered to be within the scope of the present invention.
以上のように、上記各実施形態によれば、給湯設備と空調設備を連携させて省エネルギーの効果を高めることが可能なエネルギー管理装置、エネルギー管理方法、及び、プログラムを提供することができる。
As described above, according to each of the above embodiments, it is possible to provide an energy management device, an energy management method, and a program that can enhance the energy saving effect by linking hot water supply equipment and air conditioning equipment.
1 エネルギー管理システム、20 給湯設備、30 空調設備、40 ユーザ端末、50 発電設備、60 蓄電設備、70 電気機器、80 通信ネットワーク、90 サーバ、100 HEMSコントローラ、210 室外機、220 切替装置、230 建物、231 ダクト、300 室内機、400 熱交換器、501,601 通信部、502,602 画像処理部、503,603 音声処理部、504,605 入力部、505,606 記憶部、506,607 制御部、521 情報取得部、522 運転計画部、523 動作制御部、551,651 ディスプレイ、552,652 スピーカ、604 I/O部、1700 ルータ、1801 表示部、1802 入力受付部
1 energy management system, 20 hot water supply facilities, 30 air conditioning facilities, 40 user terminals, 50 power generation facilities, 60 power storage facilities, 70 electrical equipment, 80 communication networks, 90 servers, 100 HEMS controllers, 210 outdoor units, 220 switching devices, 230 buildings 231 duct, 300 indoor unit, 400 heat exchanger, 501,601 communication unit, 502,602 image processing unit, 503,603 audio processing unit, 504,605 input unit, 505,606 storage unit, 506,607 control unit 521 Information acquisition unit 522 Operation planning unit 523 Operation control unit 551 651 display 552 652 speaker 604 I / O unit 1700 router 1801 display unit 1802 input reception unit
Claims (12)
- 貯湯式の給湯設備と、前記貯湯式の給湯設備による冷排熱を用いて建物内の空調を行う空調設備と、を制御するエネルギー管理装置であって、
前記貯湯式の給湯設備の第1運転スケジュールと、前記空調設備の第2運転スケジュールと、を取得する情報取得部と、
前記第2運転スケジュールに基づいて、前記空調設備による消費電力量を低減するように前記第1運転スケジュールを変更した第3運転スケジュールにより前記貯湯式の給湯設備の動作を制御する動作制御部と、
を備えるエネルギー管理装置。 An energy management device that controls a hot water storage hot water supply facility and an air conditioning facility that performs air conditioning in a building using cold exhaust heat from the hot water storage hot water facility,
An information acquisition unit for acquiring a first operation schedule of the hot water storage type hot water supply facility and a second operation schedule of the air conditioning facility;
An operation control unit for controlling the operation of the hot water storage type hot water supply facility according to a third operation schedule that is changed from the first operation schedule so as to reduce power consumption by the air conditioning facility based on the second operation schedule;
An energy management device comprising: - 前記第2運転スケジュールに基づいて、前記空調設備による消費電力量を低減するように前記第1運転スケジュールを変更して前記第3運転スケジュールを作成する運転計画部を更に備え、
前記動作制御部は、前記運転計画部によって作成された第3運転スケジュールに基づいて前記貯湯式の給湯設備の動作を制御する、
請求項1に記載のエネルギー管理装置。 Based on the second operation schedule, further comprising an operation planning unit that creates the third operation schedule by changing the first operation schedule so as to reduce power consumption by the air conditioning equipment,
The operation control unit controls the operation of the hot water storage type hot water supply facility based on a third operation schedule created by the operation planning unit.
The energy management apparatus according to claim 1. - 前記運転計画部は、前記空調設備に冷房動作させる予定時刻が、前記貯湯式の給湯設備に給湯させる予定時刻よりも前であれば、前記貯湯式の給湯設備に沸上げを行わせる予定時刻を、前記空調設備に冷房動作させる予定時刻に変更する、
請求項2に記載のエネルギー管理装置。 If the scheduled time for the air conditioning facility to perform a cooling operation is earlier than the scheduled time for the hot water storage type hot water supply facility to supply hot water, the operation planning unit sets the scheduled time for the hot water storage type hot water supply facility to perform boiling. , Change to the scheduled time for the air conditioning equipment to perform the cooling operation,
The energy management apparatus according to claim 2. - 前記情報取得部は、買電価格を示す料金データを更に取得し、
前記運転計画部は、前記空調設備に冷房動作させる予定時刻における買電価格が、前記貯湯式の給湯設備に給湯させる予定時刻における買電価格よりも安ければ、前記貯湯式の給湯設備に沸上げを行わせる予定時刻を、前記空調設備に冷房動作させる予定時刻に変更する、
請求項2に記載のエネルギー管理装置。 The information acquisition unit further acquires fee data indicating a power purchase price,
If the power purchase price at the scheduled time for causing the air conditioning equipment to perform cooling operation is lower than the power purchase price at the scheduled time for supplying hot water to the hot water storage type hot water supply equipment, the operation planning unit raises the hot water storage type hot water supply equipment. Changing the scheduled time to perform the cooling operation to the scheduled time for the air conditioning equipment to perform the cooling operation,
The energy management apparatus according to claim 2. - 前記情報取得部は、買電価格と売電価格を示す料金データを更に取得し、
前記運転計画部は、前記空調設備に冷房動作させる予定時刻における買電価格から売電価格を差し引いた額が、前記貯湯式の給湯設備に給湯させる予定時刻における買電価格から売電価格を差し引いた額よりも安ければ、前記貯湯式の給湯設備に沸上げを行わせる予定時刻を、前記空調設備に冷房動作させる予定時刻に変更する、
請求項2に記載のエネルギー管理装置。 The information acquisition unit further acquires fee data indicating a power purchase price and a power sale price,
The operation planning unit subtracts the power sale price from the power purchase price at the scheduled time of supplying hot water to the hot water storage-type hot water supply facility by subtracting the power sale price from the power purchase price at the scheduled time of causing the air conditioning facility to perform the cooling operation. If it is cheaper than the forehead, the scheduled time for boiling the hot water storage type hot water supply equipment is changed to the scheduled time for the air conditioning equipment to perform cooling operation,
The energy management apparatus according to claim 2. - 前記運転計画部は、前記貯湯式の給湯設備に沸上げを行わせる予定時間帯のうち、前記貯湯式の給湯設備に給湯させる予定時刻から離れている一部の時間帯を、前記空調設備に冷房動作させる予定時間帯に変更する、
請求項2から5のいずれか1項に記載のエネルギー管理装置。 The operation planning unit may include a part of a scheduled time zone in which the hot water storage type hot water supply facility is boiled away from a scheduled time period in which the hot water storage type hot water supply facility is heated to the air conditioning facility. Change to the scheduled time for air conditioning,
The energy management device according to any one of claims 2 to 5. - 前記運転計画部は、前記空調設備における冷房の目標温度が第1の温度より低ければ、前記貯湯式の給湯設備を第1の能力で動作させ、前記空調設備における冷房の目標温度が前記第1の温度より低くなければ、前記貯湯式の給湯設備を前記第1の能力よりも低い第2の能力で動作させるように、前記第3運転スケジュールを作成する、
請求項2から6のいずれか1項に記載のエネルギー管理装置。 The operation planning unit operates the hot water storage type hot water supply facility with the first capacity if the target temperature for cooling in the air conditioning facility is lower than the first temperature, and the target temperature for cooling in the air conditioning facility is the first temperature. If the temperature is not lower than the temperature, the third operation schedule is created so that the hot-water storage type hot water supply equipment is operated with a second capacity lower than the first capacity.
The energy management apparatus according to any one of claims 2 to 6. - 前記運転計画部は、前記貯湯式の給湯設備に沸上げを行わせる予定時間帯の一部が、前記空調設備に冷房動作させる予定時間帯と重複するならば、重複する時間帯では前記貯湯式の給湯設備を前記第1の能力で動作させ、重複しない時間帯では前記貯湯式の給湯設備を前記第2の能力で動作させるように、前記第3運転スケジュールを作成する、
請求項7に記載のエネルギー管理装置。 The operation planning unit, if a part of a scheduled time zone for boiling the hot water storage type hot water supply equipment overlaps with a scheduled time zone for cooling operation of the air conditioning equipment, the hot water storage type in the overlapping time zone The third operation schedule is created so that the hot water supply facility is operated with the first capability and the hot water storage hot water supply facility is operated with the second capability in a non-overlapping time zone.
The energy management apparatus according to claim 7. - 前記第3運転スケジュールを表示する表示部と、
前記表示された第3運転スケジュールに従って前記貯湯式の給湯設備の動作を制御するか否かのユーザからの指示を受け付ける入力受付部と、
を更に備え、
前記動作制御部は、前記表示された第3運転スケジュールに従って前記貯湯式の給湯設備の動作を制御する旨の前記ユーザからの指示があると、前記表示された第3運転スケジュールに従って前記貯湯式の給湯設備の動作を制御する、
請求項1から8のいずれか1項に記載のエネルギー管理装置。 A display unit for displaying the third operation schedule;
An input receiving unit that receives an instruction from a user as to whether or not to control the operation of the hot water storage hot water supply facility according to the displayed third operation schedule;
Further comprising
When there is an instruction from the user to control the operation of the hot water storage hot water supply facility according to the displayed third operation schedule, the operation control unit performs the hot water storage type according to the displayed third operation schedule. Control the operation of the water heater,
The energy management apparatus according to any one of claims 1 to 8. - 前記エネルギー管理装置は、ネットワークを介して外部サーバに接続され、
前記情報取得部は、前記外部サーバから、予測される外気温を示す情報を含む気象データを取得し、
前記動作制御部は、前記予測される外気温に予め決められた温度より高い時間帯が含まれる場合、前記気象データに基づいて前記空調設備による消費電力量を低減するように前記第1運転スケジュールを変更した前記第3運転スケジュールにより前記貯湯式の給湯設備の動作を制御する、
請求項1に記載のエネルギー管理装置。 The energy management device is connected to an external server via a network,
The information acquisition unit acquires weather data including information indicating the predicted outside air temperature from the external server,
When the predicted outside air temperature includes a time period higher than a predetermined temperature, the operation control unit is configured to reduce the power consumption by the air conditioning facility based on the weather data. The operation of the hot water storage type hot water supply equipment is controlled by the third operation schedule changed.
The energy management apparatus according to claim 1. - 貯湯式の給湯設備と、前記貯湯式の給湯設備による冷排熱を用いて建物内の空調を行う空調設備と、を制御するエネルギー管理方法であって、
前記貯湯式の給湯設備の第1運転スケジュールと、前記空調設備の第2運転スケジュールと、をコンピュータが取得する情報取得ステップと、
前記第2運転スケジュールに基づいて、前記空調設備による消費電力量を低減するように前記第1運転スケジュールを変更した第3運転スケジュールにより前記貯湯式の給湯設備の動作をコンピュータが制御する動作制御ステップと、
を含むエネルギー管理方法。 An energy management method for controlling a hot water storage hot water supply facility and an air conditioning facility that performs air conditioning in a building using cold exhaust heat from the hot water storage hot water supply facility,
An information acquisition step in which a computer acquires a first operation schedule of the hot water storage type hot water supply facility and a second operation schedule of the air conditioning facility;
An operation control step in which a computer controls the operation of the hot water storage type hot water supply facility according to a third operation schedule in which the first operation schedule is changed so as to reduce the power consumption by the air conditioning facility based on the second operation schedule. When,
Including energy management methods. - 貯湯式の給湯設備と、前記貯湯式の給湯設備による冷排熱を用いて建物内の空調を行う空調設備と、を制御するコンピュータを、
前記貯湯式の給湯設備の第1運転スケジュールと、前記空調設備の第2運転スケジュールと、を取得する情報取得部、
前記第2運転スケジュールに基づいて、前記空調設備による消費電力量を低減するように前記第1運転スケジュールを変更した第3運転スケジュールにより前記貯湯式の給湯設備の動作を制御する動作制御部、
として機能させるプログラム。 A computer that controls a hot water storage type hot water supply facility and an air conditioning facility that performs air conditioning in a building using cold exhaust heat from the hot water storage type hot water supply facility,
An information acquisition unit for acquiring a first operation schedule of the hot water storage type hot water supply facility and a second operation schedule of the air conditioning facility;
An operation control unit that controls the operation of the hot water storage type hot water supply facility according to a third operation schedule that is based on the second operation schedule and that has changed the first operation schedule so as to reduce power consumption by the air conditioning facility;
Program to function as.
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