WO2020240685A1 - Dispositif de commande, système et procédé de réglage d'environnement d'air, programme, et support d'enregistrement - Google Patents

Dispositif de commande, système et procédé de réglage d'environnement d'air, programme, et support d'enregistrement Download PDF

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Publication number
WO2020240685A1
WO2020240685A1 PCT/JP2019/021046 JP2019021046W WO2020240685A1 WO 2020240685 A1 WO2020240685 A1 WO 2020240685A1 JP 2019021046 W JP2019021046 W JP 2019021046W WO 2020240685 A1 WO2020240685 A1 WO 2020240685A1
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WIPO (PCT)
Prior art keywords
air
thermo
ventilation
ventilation volume
hot water
Prior art date
Application number
PCT/JP2019/021046
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English (en)
Japanese (ja)
Inventor
芸青 范
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2021521613A priority Critical patent/JP7199529B2/ja
Priority to PCT/JP2019/021046 priority patent/WO2020240685A1/fr
Publication of WO2020240685A1 publication Critical patent/WO2020240685A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F24F11/47—Responding to energy costs
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention relates to a control device for adjusting the indoor air environment, an air environment adjustment system, an air environment adjustment method, a program, and a recording medium on which the program is recorded, and particularly based on information from a hot water supply / air conditioning system. Regarding what controls.
  • a hot water supply / air conditioning system that selectively supplies heat from a heat pump device to a hot water supply device or an air conditioner.
  • the hot water supply and air conditioning system cannot supply heat to the hot water supply device and the air conditioner at the same time. Therefore, during the preparation period for power suppression of the hot water supply and air conditioning system, the heat supply is switched from the air conditioner to the hot water supply device, and the amount of heat supplied at that time is controlled to be increased more than usual. A sufficient amount of heat is supplied to both of them. (See, for example, Patent Document 1).
  • the present invention has been made to solve the above problems, and even if the temperature is not adjusted by the air conditioner due to the switching of the operation mode of the hot water supply and air conditioning system in the room air-conditioned by the hot water supply and air conditioning system. It is an object of the present invention to provide a control device, an air environment adjustment system, an air environment adjustment method, a program, and a recording medium for adjusting an indoor air environment, which can suppress fluctuations in room temperature.
  • the control device operates a ventilation device that ventilates the air in an air-conditioned room whose room temperature is adjusted to a set temperature by the air-conditioning device of a hot-water supply air-conditioning system including a hot-water supply device or a heat pump that supplies heat to the air-conditioning device.
  • a control device for controlling including a communication unit for acquiring operation information of the hot water supply and air conditioning system and the room temperature, and a ventilation control unit for controlling the ventilation volume of the ventilation device, and the ventilation control unit is the hot water supply.
  • the ventilation volume is changed according to the operation information of the device or the air conditioner and the room temperature.
  • the air environment adjustment system includes the above-mentioned control device and the above-mentioned ventilation device.
  • the air environment adjustment system includes the control device, the ventilation device, and the hot water supply / air conditioning system.
  • the air environment adjustment method is an air environment adjustment method for ventilating the air in an air-conditioned room whose room temperature is adjusted to a set temperature by the air-conditioning device of a hot-water supply air-conditioning system including a hot-water supply device or a heat pump for supplying heat to the air-conditioning device.
  • the method is to acquire the operation information of the hot water supply and air conditioning system and the room temperature, and change the ventilation volume in the air conditioner target room according to the operation information of the hot water supply device or the air conditioner and the room temperature. ..
  • the program according to the present invention controls the operation of a ventilation device that ventilates the air in an air-conditioned room whose room temperature is adjusted to a set temperature by the air-conditioning device of a hot-water supply air-conditioning system including a hot-water supply device or a heat pump that supplies heat to the air-conditioning device.
  • the computer functions as a means for acquiring the operation information and the room temperature of the hot water supply and air conditioning system, and as a means for changing the ventilation volume according to the operation information of the hot water supply device or the air conditioner and the room temperature. is there.
  • the recording medium according to the present invention is a computer-readable medium on which the above program is recorded.
  • the ventilation volume of the ventilation device can be changed according to the degree of decrease in room temperature, the fluctuation in room temperature of the air-conditioned room can be alleviated.
  • FIG. It is a schematic block diagram of the air environment adjustment system 100 in Embodiment 1.
  • FIG. It is a detailed block diagram of the air environment adjustment system 100 of FIG.
  • FIG. is a block diagram which shows an example of the control device 10 which concerns on Embodiment 1.
  • FIG. This is an example of the control flow of the air environment adjustment system 100 according to the first embodiment. This is an example of the operation of the air environment adjustment system 100 according to the first embodiment.
  • It is a circuit diagram which shows the state of the hot water supply air-conditioning system 30 in the hot water supply operation of FIG.
  • It is a circuit diagram which shows the state of the hot water supply air-conditioning system 30 in the normal heating operation of FIG.
  • An example of the operation history information of the hot water supply and air conditioning system 30 of the air environment adjustment system 100 according to the first embodiment is shown. It is a figure which shows the correlation between the ventilation volume of the ventilation apparatus 20 and the threshold value of thermo operation switching of a hot water supply air conditioning system 30 in the 3rd pattern of FIG.
  • the communication may be a mixture of wireless communication and wired communication as well as wireless communication and wired communication.
  • wireless communication may be performed in a certain section, and wired communication may be performed in another space.
  • the communication from one device to another device may be performed by wired communication, and the communication from another device to a certain device may be performed by wireless communication.
  • FIG. 1 is a schematic configuration diagram of the air environment adjustment system 100 according to the first embodiment.
  • the schematic configuration of the air environment adjustment system 100 will be described with reference to FIG.
  • the air environment adjustment system 100 includes a control device 10, a ventilation device 20 that ventilates the inside of the air-conditioned room 1, and a hot water supply and air-conditioning system 30 that air-conditions the inside of the air-conditioned room 1.
  • the control device 10 is communicably connected to the ventilation device 20 and the hot water supply / air conditioning system 30.
  • the control device 10 is configured so that at least the operation information from the hot water supply / air conditioning system 30 can be acquired to control the operation of the ventilation device 20.
  • the air environment adjustment system 100 cooperates with the hot water supply air conditioning system 30 that adjusts the temperature of the air in the air conditioning target room 1 and the ventilation device 20 that controls the exchange amount between the air and the outside air in the air conditioning target room 1. It can be controlled.
  • the air environment adjustment system 100 may be configured to be able to communicate with an external terminal 90, which is a terminal connected by means such as the Internet.
  • the information processing performed by the control device 10 may be performed by the external terminal 90. That is, the operation information from the hot water supply / air conditioning system 30 may be transmitted to the external terminal 90, the operation information may be processed by the external terminal 90, and the control instruction may be transmitted from the external terminal 90 to the ventilation device 20.
  • the external terminal 90 is, for example, a computer or server installed outside. Further, the external terminal 90 may be configured by using cloud computing.
  • control device 10 may be independent as shown in FIG. 1, but may be integrally configured with the ventilation device 20, the hot water supply / air conditioning system 30, or other devices.
  • FIG. 2 is a detailed configuration diagram of the air environment adjustment system 100 of FIG.
  • the configuration of the air environment adjustment system 100 including the schematic configuration of the ventilation device 20 and the hot water supply / air conditioning system 30 will be described with reference to FIG. First, the schematic configuration of the ventilation device 20 will be described.
  • the ventilation device 20 includes an intake pipe 21, an exhaust pipe 22, a total heat exchange unit 23, and an outside air direct introduction bypass 24.
  • the total heat exchange unit 23 recovers the energy of the air discharged from the air-conditioned room 1.
  • An intake fan 25 is installed in the intake pipe 21, an exhaust fan 26 is installed in the exhaust pipe 22, and a bypass fan 27 is installed in the outside air direct introduction bypass 24.
  • the ventilation device 20 is provided with an opening / closing portion 29a at a connecting portion 29 between the intake pipe 21 and the outside air direct introduction bypass 24.
  • the connection portion 29 is installed on the way from the suction port 21a of the intake pipe 21 to the total heat exchange portion 23. By opening the opening / closing unit 29a, the air from the intake pipe 21 can be introduced into the air-conditioned room 1 without passing through the total heat exchange unit 23.
  • the ventilation device 20 supplies and exhausts air by operating the intake fan 25 and the exhaust fan 26.
  • the opening / closing unit 29a When the opening / closing unit 29a is closed, the outdoor air introduced into the intake pipe 21 by the intake fan 25 is introduced into the air-conditioned room 1 via the total heat exchange unit 23. Further, regardless of whether the opening / closing portion 29a is open or closed, the air in the air-conditioned chamber 1 introduced into the exhaust pipe 22 by the exhaust fan 26 passes through the total heat exchange portion 23 and from the exhaust port 22a. It is discharged to the outside of the room.
  • the ventilation device 20 can switch the opening / closing portion 29a and change the outputs of the intake fan 25, the exhaust fan 26, and the bypass fan 27, if necessary.
  • the ventilation device 20 can appropriately change the ventilation volume of the air-conditioned room 1, and can also appropriately change the heat recovery from the air discharged from the air-conditioned room 1.
  • the ventilation device 20 basically operates continuously for 24 hours to ventilate the air-conditioned room 1.
  • the ventilation device 20 is set to ventilate half the volume of the air-conditioned room 1 in one hour in normal operation.
  • the ventilation volume in the normal operation of the ventilation device 20 is expressed as "0.5 times / h".
  • the ventilation volume of the ventilation device 20 during normal operation is an example and is not limited to this value, and can be changed as necessary.
  • the ventilation volume of the ventilation device 20 can be changed by control. For example, when the ventilation volume is set to "0.1 times / h", the ventilation device 20 ventilates 1/10 of the volume of the air-conditioned room 1 in one hour.
  • the operation of the ventilation device 20 is controlled according to the operating state of the hot water supply / air conditioning system 30 that adjusts the room temperature of the air conditioning target room 1.
  • the ventilation control terminal 12 shown in FIG. 2 is a terminal for controlling the operation of the ventilation device 20, and is for executing the operation start, operation stop, change of the ventilation volume, etc. of the ventilation device 20. ..
  • the operating state of the ventilation device 20 can be set manually, but in the first embodiment, the case where the ventilation device 20 is controlled by the control device 10 will be described.
  • the ventilation control terminal 12 may be integrally configured with the ventilation device 20 or may be separately configured. Further, the ventilation control terminal 12 may be integrally configured with the control device 10.
  • the hot water supply and air conditioning system 30 is composed of a hot water supply device 40, an air conditioning device 31, a heat pump device 32, and a tank 60.
  • the heat pump device 32 is provided with a refrigeration cycle circuit 33, and heats are exchanged between water and the refrigerant by the utilization side heat exchanger 43 by circulating the internal refrigerant while compressing and expanding, and the tank 60 is used as hot water. It stores heat or supplies hot water to the air conditioner 31.
  • the hot water supply device 40 supplies hot water stored in the tank 60 to the hot water supply terminal 41 by the hot water supply pump 63.
  • the air conditioner 31 circulates the hot water stored in the tank 60 or the hot water heated in the heat exchanger 43 on the user side to a pipe or the like installed in the air-conditioned room 1 by using the heating circulation pump 62. , The room temperature is adjusted.
  • the air conditioner 31 is, for example, floor heating or the like.
  • the heat pump device 32 has a refrigeration cycle circuit 33 in which a compressor 46, a four-way valve 42, a user-side heat exchanger 43, an expansion device 44, and a heat source-side heat exchanger 45 are sequentially connected by a refrigerant pipe.
  • a compressor 46, a four-way valve 42, an expansion device 44, and a heat source side heat exchanger 45 are installed inside the housing arranged outside the heat pump device 32, and are located in the vicinity of the heat source side heat exchanger 45. Is equipped with an outdoor blower 49 that sends outdoor air to the heat source side heat exchanger 45.
  • the user-side heat exchanger 43 is installed inside the housing of the heat pump device 32 or inside the housing in which the tank 60 is installed, and the flow path through which the refrigerant flows and the water flow inside. A flow path is provided. Heat exchange is performed between the refrigerant and water in the user-side heat exchanger 43, and the heated water is supplied to the tank 60 or the air conditioner 31 under the control of the flow path switching device 47 or the like.
  • the hot water supply / air conditioning control terminal 13 shown in FIG. 2 is a terminal for controlling the operation of the hot water supply / air conditioning system 30, and is based on the set temperature T0 of the set room temperature and the temperature of the hot water supplied to the hot water supply terminal 41. , The purpose is to execute the operation of the hot water supply / air conditioning system 30. Specifically, it controls the operations of the compressor 46 of the heat pump device 32, the expansion device 44, the heating circulation pump 62 of the air conditioning device 31, the hot water supply pump 63 of the hot water supply device 40, the flow path switching device 47, and the like.
  • the air conditioner 31 of the hot water supply air conditioning system 30 adjusts the heating capacity so that the temperature of the air in the air conditioning target room 1 becomes the set temperature T0 by, for example, a remote control. Further, the hot water supply device 40 of the hot water supply and air conditioning system 30 adjusts the amount of hot water supplied from the tank 60 to the hot water supply terminal 41 so as to reach the set hot water temperature.
  • the hot water supply / air conditioning control terminal 13 may be integrally configured with the hot water supply / air conditioning system 30 or may be separately configured. Further, the hot water supply / air conditioning control terminal 13 may be divided into a terminal for controlling the hot water supply device 40 and a terminal for controlling the air conditioning device 31. Further, the hot water supply / air conditioning control terminal 13 may be integrally configured with the control device 10.
  • Control device 10 The control device 10 controls the operation of the ventilation device 20 based on the operation information acquired from the hot water supply / air conditioning system 30. As shown in FIG. 2, the control device 10 is communicably connected to each of the room temperature detector 11, the ventilation control terminal 12, and the hot water supply / air conditioning control terminal 13. The room temperature detector 11 detects the temperature of the air in the air-conditioned room 1. The control device 10 acquires room temperature information from the room temperature detector 11. However, the control device 10 can also acquire temperature information from the temperature sensor included in the hot water supply / air conditioning system 30 from the hot water supply / air conditioning control terminal 13 and use it as the temperature of the air in the air conditioning target room 1.
  • the control device 10 sets the ventilation volume of the ventilation device 20 when a predetermined condition is satisfied based on the operation information obtained from the room temperature detector 11 or the hot water supply / air conditioning system 30, and transmits an instruction to the ventilation control terminal 12. Further, the control device 10 transmits an instruction to change the operating state of the hot water supply / air conditioning system 30 to the hot water supply / air conditioning control terminal 13.
  • FIG. 3 is a block diagram showing an example of the control device 10 according to the first embodiment.
  • the control device 10 includes a hot water supply and air conditioning system operation state detection unit 54 that acquires operation information from the hot water supply and air conditioning system 30, and a room temperature detection unit 55 that acquires temperature information of the air in the air conditioning target room 1 from the room temperature detector 11 and the like. It has a communication unit 53 to be provided.
  • the communication unit 53 is communicably connected to the room temperature detector 11, the ventilation control terminal 12, the hot water supply / air conditioning control terminal 13, and the external terminal 90, and acquires information from each unit and transmits information to each unit.
  • the control device 10 includes a control unit 51 that controls the ventilation device 20 and the hot water supply / air conditioning system 30.
  • the control unit 51 controls the storage unit 52 that stores operation information and the like, the ventilation control unit 57 that determines the ventilation volume based on the operation information and controls the ventilation device 20, and the heating circulation pump 62 of the air conditioner 31.
  • the hot water supply / air conditioning control unit 58 is provided.
  • the control unit 51 includes, for example, a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory).
  • the CPU is also referred to as a central processing unit, a central processing unit, a processor, a microprocessor, a microcomputer, or a DSP (Digital Signal Processor).
  • the CPU reads out the programs and data stored in the ROM and uses the RAM as a work area to control the control device 10 in an integrated manner.
  • the storage unit 52 is, for example, a non-volatile semiconductor memory such as a flash memory, an EPROM (Erasable Project ROM), or an EPROM (Electrically Erasable Program ROM), and plays a role as a so-called secondary storage device.
  • the storage unit 52 stores the operation information acquired by the communication unit 53. Further, the storage unit 52 stores the room temperature information acquired by the communication unit 53. Further, the storage unit 52 stores programs, data, and the like for communication between the control device 10 and each unit constituting the air environment adjustment system 100. Further, for example, when the control device 10 directly controls the ventilation device 20, a program and data for controlling the ventilation device 20 are stored.
  • the communication unit 53 includes a room temperature detector 11, a ventilation control terminal 12, a hot water supply / air conditioning control terminal 13, and a communication interface for communicating with the external terminal 90.
  • the time measuring unit 56 is provided with, for example, an RTC (Real Time Clock), and is a time measuring device that measures the thermo-on control and the thermo-off control of the hot water supply and air conditioning system 30.
  • RTC Real Time Clock
  • the operation of the hot water supply / air conditioning system 30 includes four operations: a hot water supply operation, a normal heating operation, a thermo operation, and a defrosting operation.
  • the hot water supply operation is an operation in which water is heated in the heat pump device 32 and hot water is stored in the tank 60.
  • the normal heating operation is an operation in which the hot water heated by the heat pump device 32 is supplied to the air conditioner 31 to continuously supply heat to the air conditioner 31 and adjust the room temperature of the air-conditioned room 1.
  • the thermo operation is an operation when the room temperature of the air-conditioned room 1 is within a predetermined range with respect to the set temperature T0.
  • the air conditioner 31 and the heat pump device 32 repeatedly operate and stop in order to maintain the temperature of the air in the air-conditioned room 1 within a predetermined range.
  • the defrosting operation is performed to remove frost or ice adhering to the heat source side heat exchanger 45 of the heat pump device 32, and is an operation necessary for ensuring the heat exchange capacity of the heat source side heat exchanger 45. is there.
  • the control device 10 acquires operation information from the hot water supply / air conditioning control terminal 13.
  • the operation information is the frequency of the compressor 46 included in the heat pump device 32 of the hot water supply and air conditioning system 30.
  • the rotation speed of the compressor 46 is controlled by an inverter, and the rotation speed is increased, decreased, or stopped according to the cooling load or the heating load in the room.
  • the control device 10 acquires the frequency of the compressor 46 as operation information from the hot water supply / air conditioning control terminal 13.
  • the control device 10 processes the frequency of the compressor 46 as operation information, determines the required ventilation volume, and transmits it to the ventilation control terminal 12 as an instruction.
  • the ventilation control terminal 12 controls the specific operation of the ventilation device 20.
  • the air-conditioned room 1 is constantly ventilated by the ventilation device 20, and is basically ventilated at a ventilation volume of 0.5 times / h, which is the normal ventilation volume Q0. Then, when the hot water supply and air conditioning system 30 is operated in a mode in which the room temperature cannot be adjusted, the air-conditioned room 1 is ventilated, low-temperature air outside the room flows in, and the room temperature drops rapidly. ..
  • the control device 10 controls the ventilation volume of the ventilation device 20 based on the operation information and the room temperature information of the hot water supply and air conditioning system 30, so that the ventilation device 31 is not operating. The amount is reduced, and when the air conditioner 31 is operating, the ventilation volume is increased to suppress fluctuations in room temperature.
  • FIG. 4 is an example of the control flow of the air environment adjustment system 100 according to the first embodiment.
  • the control device 10 of the air environment adjustment system 100 according to the first embodiment has four types of operating states of the hot water supply and air conditioning system 30: hot water supply operation, normal heating operation, thermo operation, and defrosting operation. Judge which of the operations corresponds to. Then, the control device 10 controls the ventilation volume of the ventilation device 20 according to each operation.
  • the control device 10 determines whether or not the hot water supply / air conditioning system 30 is in hot water supply operation (step E1). Whether or not the hot water supply / air conditioning system 30 is operating the hot water supply operation is determined based on the operation information of the hot water supply / air conditioning system 30 acquired from the hot water supply / air conditioning control terminal 13. For example, the control device 10 may acquire the operation information of the hot water supply / air conditioning system 30 from the hot water supply / air conditioning control terminal 13 to determine the operation state. For example, the operation state and the flow path of the hot water supply pump 63 of the hot water supply / air conditioning system 30 may be determined. It may be determined by detecting the state of the switching device 47, whether or not heat is supplied to the tank 60, and the like. When the hot water supply / air conditioning system 30 is in the hot water supply operation (Yes in step E1), the control device 10 controls the ventilation device 20 in the first ventilation mode (step E2). The details of the first ventilation mode will be described later.
  • the control device 10 determines whether or not the hot water supply / air conditioning system 30 is performing the defrosting operation (step E3). Whether or not the hot water supply / air conditioning system 30 is performing the defrosting operation is determined based on the operation information of the hot water supply / air conditioning system 30 acquired from the hot water supply / air conditioning control terminal 13. For example, the control device 10 may acquire the operation information of the hot water supply / air conditioning system 30 from the hot water supply / air conditioning control terminal 13 to determine the operation state. For example, the operation state and the flow path of the hot water supply pump 63 of the hot water supply / air conditioning system 30 may be determined.
  • the control device 10 determines whether the hot water supply / air conditioning system 30 is performing the thermo operation, and controls the ventilation device 20 according to the thermo operation. The details of the third ventilation mode will be described later.
  • the control device 10 determines whether or not the amount of heat stored in the tank 60 of the operation information of the hot water supply / air conditioning system 30 is equal to or greater than a predetermined value. (Step E4). When the amount of heat stored in the tank 60 is equal to or greater than a predetermined value, the control device 10 controls the ventilation device 20 in the first ventilation mode (step E2). When the amount of heat stored in the tank 60 is equal to or less than a predetermined value, the control device 10 controls the ventilation device 20 in the second ventilation mode.
  • the ventilation device 20 corresponds to each case where the hot water supply / air conditioning system 30 cannot supply heat to the air-conditioned room 1, the heat supply is insufficient, or the heat supply is sufficient. Ventilation mode can be switched.
  • FIG. 5 is an example of the operation of the air environment adjustment system 100 according to the first embodiment.
  • FIG. 5 shows changes in the ventilation volume and room temperature of the ventilation device 20 when the hot water supply and air conditioning system 30 switches from the hot water supply operation to the normal heating operation.
  • FIG. 6 is a circuit diagram showing a state of the hot water supply and air conditioning system 30 in the hot water supply operation of FIG.
  • FIG. 7 is a circuit diagram showing a state of the hot water supply / air conditioning system 30 in the normal heating operation of FIG. As shown in FIG.
  • the user side heat exchanger 43 and the tank 60 are connected during the hot water supply operation, and water is sent from the tank 60 to the user side heat exchanger 43.
  • the water heated by the user-side heat exchanger 43 becomes hot water and returns to the tank 60 for storage.
  • the user side heat exchanger 43 and the air conditioner 31 are connected during the heating operation, and hot water is generated between the user side heat exchanger 43 and the air conditioner 31. It circulates.
  • the circuit in which the user-side heat exchanger 43 and the air conditioner 31 shown in FIG. 7 are connected to perform the heating operation is referred to as a first air conditioner circuit.
  • the hot water supply and air conditioning system 30 cannot supply heat from the heat pump device 32 to both the hot water supply device 40 and the air conditioner 31 at the same time. Therefore, the hot water supply and air conditioning system 30 performs either the hot water supply operation or the normal heating operation.
  • FIG. 8 is an example of the control flow of the control device 10 according to the first embodiment.
  • FIG. 8 is a control flow of the ventilation volume of the ventilation device 20 until the hot water supply air conditioning system 30 enters the hot water supply operation, the hot water supply operation ends, and the normal heating operation resumes.
  • FIG. 5 when the hot water supply operation of the hot water supply and air conditioning system 30 is started, heat is not supplied to the air conditioner 31, so that the room temperature of the air conditioner target room 1 whose room temperature is the set temperature T0 gradually increases. Decreases to.
  • the control device 10 operates by reducing the ventilation volume of the ventilation device 20 (step A1).
  • the ventilation volume of the ventilation device 20 is 0.3 times / h, which is reduced from, for example, the normal ventilation volume Q0 up to that point, in response to the operation information of the start of the hot water supply operation of the hot water supply air conditioning system 30. Is set to.
  • step A1 When the ventilation volume of the ventilation device 20 is reduced in step A1, the decrease in room temperature is suppressed as compared with the case where the ventilation device 20 is operated with the normal ventilation volume of 0.5 times / h. However, since heat is not supplied to the air-conditioned room 1 by the air-conditioning device 31, the room temperature gradually decreases.
  • the control device 10 acquires the room temperature information (step A2) and reaches another temperature threshold lower than the temperature threshold which is the current ventilation volume when the room temperature drops (in the case of Yes in step A3), the ventilation device 20 is moved. The operation is performed with the ventilation volume further reduced (step A4). If the room temperature has not reached a temperature threshold lower than the temperature threshold that is the current ventilation volume (No in step A3), the room temperature information is acquired again (step A2).
  • the control device 10 when the room temperature reaches T0-4 ° C., the control device 10 changes the ventilation volume of the ventilation device 20 to 0 times / h. That is, the ventilation device 20 stops the operation. After reducing the ventilation volume of the ventilation device 20, the control device 10 acquires the operation information of the hot water supply / air conditioning system 30 and determines whether or not the normal heating operation is started (step A5). If the normal heating operation has not been started (No in step A5), the control flow from step A2 is performed again. When the hot water supply air conditioning system 30 cannot adjust the room temperature as in the hot water supply operation mode, the control device 10 detects the room temperature and the ventilation device every time the room temperature reaches a temperature threshold that is a predetermined temperature lower than the set temperature T0. Decrease the ventilation volume of 20.
  • the set temperature is set to T0, and the temperature thresholds are set to T1, T2, T3, ... Tk, ... Tn in order from the one closest to the set temperature T0.
  • the room temperature is between T0 and T1, which is a temperature near the set temperature T0, and the ventilation device 20 is also operated at 0.5 times / h, which is the normal ventilation volume Q0.
  • the hot water supply operation is started here, the actual room temperature is between T0 and T1, but the ventilation device 20 is operated with the ventilation volume when the temperature threshold value T1 is reached.
  • the ventilation device 20 when the hot water supply operation is started, the ventilation device 20 is operated with the ventilation volume reduced more than usual. After that, the ventilation device 20 is operated with a set ventilation volume each time the room temperature reaches a predetermined temperature threshold value. As shown in FIG. 5, when the temperature threshold value T2 is reached, the ventilation device 20 reduces the ventilation volume from the previous ventilation volume of 0.3 times / h and operates at a ventilation volume of 0 times / h. Like the temperature threshold value T2, the temperature threshold value for stopping the ventilation device 20 may be referred to as a limit temperature threshold value. The number of temperature thresholds can be changed as appropriate. In addition, the interval between the plurality of temperature thresholds can be changed as appropriate.
  • the ventilation volume that was reduced during the hot water supply operation may be continued even after the hot water supply operation is completed.
  • the ventilation volume is changed to 0.3 times / h at time t0, and at the time of time t1, the room temperature reaches T0-4 ° C. and the ventilation volume is changed to 0 times / h.
  • the hot water supply operation of the hot water supply and air conditioning system 30 is completed, but during the period from time t1 to time t2 when the hot water supply operation is switched to the normal heating operation, the heating preparation operation is performed and heat is supplied to the air-conditioned room 1. It has not been. Therefore, if ventilation is performed during the period from time t1 to time t2, the temperature drops.
  • the control device 10 is a ventilation device for a predetermined time even after the hot water supply operation is completed.
  • the operation is performed in a state where the ventilation volume of 20 is reduced as compared with the normal operation.
  • FIG. 9 is an example of the control flow of the control device 10 according to the first embodiment.
  • FIG. 9 is a control flow of the ventilation volume of the ventilation device 20 from the end of the hot water supply operation of the hot water supply and air conditioning system 30 and the restart of the normal heating operation until the room temperature is maintained at the set temperature T0.
  • the ventilation device 20 increases the ventilation volume when the air conditioner 31 starts operation (step B1). For example, as shown in FIG. 5, at the same time as the operation of the air conditioner 31 starts, the ventilation device 20 operates at a ventilation volume at a temperature threshold close to the set temperature T0 by one step from the temperature threshold at which the room temperature has reached at that time. Will be done.
  • the control device 10 When the normal heating operation is started when the room temperature is between T2 and T3, the control device 10 is operated by increasing the ventilation device 20 to the ventilation volume when the room temperature is between T1 and T2. In FIG. 5, the room temperature is between the temperature thresholds T1 and T2, but when the normal heating operation is started, the control device 10 increases the ventilation volume when the room temperature is between T0 and T1 to increase the ventilation device 20. drive.
  • the control device 10 detects the room temperature (step B2), and when the room temperature reaches a temperature threshold value higher than the temperature threshold value which is the current ventilation volume (in the case of Yes in step B3), the ventilation volume of the ventilation device 20 is increased.
  • the temperature is increased according to the temperature threshold (step B4).
  • the control device 10 detects the room temperature and determines whether the room temperature changes within the set temperature T0 ⁇ x ° C. within a predetermined time (step B5). If the room temperature deviates from the set temperature T0 ⁇ x ° C.
  • the control device 10 acquires the room temperature information and changes the ventilation volume based on the temperature threshold value.
  • the control device 10 increases the ventilation device 20 to a ventilation volume of 0.5 times / h, and when the set temperature T0 is reached, the ventilation volume is 0.7. Increase to times / h.
  • the control device 10 returns the ventilation device 20 to the normal ventilation volume Q0 (step B6) when the room temperature is maintained in a temperature range of a predetermined width for a predetermined time with reference to the set temperature T0 (in the case of Yes in step B5). ). That is, the control device 10 controls the ventilation device 20 to change to the normal ventilation volume Q0 when the room temperature is maintained within the range of T0 ⁇ x ° C. for a predetermined time.
  • the value of x ° C. which is the threshold value for determination in step B5, can be appropriately set, for example, 0.5 ° C.
  • the control device 10 By controlling the ventilation device 20 as described above, the control device 10 makes it easy for the air conditioner 31 to quickly return the room temperature lowered by the hot water supply operation to the set temperature T0, and also the ventilation volume required for the air conditioning target room 1. Can be secured.
  • the control flow of the control device 10 shown in FIGS. 6 and 7 is referred to as a first ventilation mode.
  • FIG. 12 is a circuit diagram showing a state of the hot water supply and air conditioning system 30 in the defrost heating operation of FIGS. 10 and 11.
  • the hot water supply and air conditioning system 30 performs a defrosting operation of the heat source side heat exchanger 45 of the heat pump device 32, and the air conditioning device 31 circulates the hot water stored in the tank 60. Is performing heating operation. This heating operation is particularly referred to as a defrosting heating operation.
  • the hot water supply and air conditioning system 30 does not supply heat to the hot water supply device 40.
  • the heat source side heat exchanger 45 provided in the heat pump device 32 functions as an evaporator and becomes cold during operation, so that frost formation occurs.
  • frost adheres to the heat source side heat exchanger 45, the amount of air passing through the heat source side heat exchanger 45 decreases, and the heat exchange performance may not be sufficiently exhibited. Therefore, the defrosting operation is performed at a predetermined frequency while the heat pump device 32 is operating.
  • the defrosting heating operation for example, by changing the circulation direction of the refrigerant in the refrigeration cycle circuit 33 of the heat pump device 32, the high temperature and high pressure refrigerant compressed by the compressor 46 is placed on the heat source side. Defrosting is performed by hot gas reverse operation, which is sent directly to the heat exchanger 45. Then, the hot water circuit that supplies heat to the air conditioner 31 is disconnected from the user side heat exchanger 43, and a second air conditioner circuit in which hot water circulates between the tank 60 and the air conditioner 31 is formed. ..
  • the control device 10 changes the control of the ventilation volume by the ventilation device 20 according to the heat storage amount stored in the tank 60.
  • the control device 10 controls the ventilation volume in the first ventilation mode, and operates in the second ventilation mode when the heat storage amount is lower than the predetermined amount.
  • the air conditioner 31 can heat the air in the air-conditioned room 1 in the same manner as in the normal heating operation.
  • the ventilation volume of the ventilation device 20 is controlled by the same flow as shown in FIG.
  • the control device 10 receives information on the amount of heat stored in the tank 60 as operation information from the hot water supply / air conditioning control terminal 13. Then, when the heat storage amount of the tank 60 is equal to or more than a predetermined amount, the control device 10 changes the ventilation amount of the ventilation device 20 according to the room temperature as in FIGS. 8 and 9. That is, the time zone shown in the hot water supply operation and the heating preparation operation in FIG.
  • control device 10 has the same ventilation volume of the ventilation device 20. To control. Further, even if the defrosting heating operation is stopped while the defrosting operation is continuing, the control device 10 controls the ventilation volume of the ventilation device 20 in the same manner as in the time zone when only the defrosting operation is performed.
  • FIG. 13 is an example of the control flow of the control device 10 according to the first embodiment.
  • FIG. 13 shows a control flow when the air environment adjustment system 100 according to the first embodiment is performing a defrosting operation.
  • the hot water supply and air conditioning system 30 switches the connection of the flow path switching device 47 and switches to the second air conditioning circuit so as to supply the hot water stored in the tank 60 to the air conditioning device 31.
  • the control device 10 acquires information on the heat storage amount of the tank 60 from the hot water supply / air conditioning control terminal 13 as operation information, and controls the ventilation amount in the second ventilation mode when the heat storage amount is lower than the predetermined amount. In the second ventilation mode, the control device 10 sets the ventilation volume of the ventilation device 20 to 0 times / h (step C1).
  • the control device 10 stops the ventilation of the ventilation device 20. However, at the beginning of the heating operation during defrosting, the room temperature drops. After that, the air in the air-conditioned room 1 is heated by the defrosting heating operation by the air-conditioning device 31, and the room temperature of the air-conditioned room 1 rises because there is no heating load due to ventilation.
  • the control device 10 acquires the room temperature information (step C2) and determines whether the room temperature has risen and reached the set temperature T0 (step C3). When the room temperature rises and reaches the set temperature T0 (Yes in C3), the control device 10 changes the ventilation volume of the ventilation device 20 to a ventilation volume higher than the normal ventilation volume Q0 (step C4). In the first embodiment, the ventilation volume is set to 0.7 times / h.
  • the control device 10 After the ventilation volume is changed in step C4, the control device 10 acquires room temperature information (step C5) and determines whether the room temperature has decreased and reached the set temperature T0 (step C6). When the room temperature drops and reaches the set temperature T0 (Yes in step C6), the control device 10 stops the ventilation volume of the ventilation device 20 at 0 times / h (step C7). After stopping the ventilation device 20 in step C7, the control device 10 acquires the operation information of the hot water supply / air conditioning system 30 (step C8), and determines whether the air conditioning device 31 continues to operate (step C9). If No in step C6, the process returns to step C5 again, and the control device 10 continues to detect the room temperature.
  • the control device 10 acquires the operation information of the hot water supply / air conditioning system 30 (step C8), and determines whether the air conditioning device 31 continues to operate (step C9).
  • the ventilation device 20 is operated in the second ventilation mode, the ventilation device 20 is stopped or is operated at a ventilation volume higher than the normal ventilation volume Q0. Therefore, if the air conditioner 31 is in operation, the room temperature rises when the ventilation device 20 is stopped, and decreases when the ventilation device 20 is in operation. Therefore, if the room temperature does not reach the set temperature T0 when the ventilation volume is 0 times / h, there is a possibility that the air conditioner 31 is stopped.
  • control device 10 confirms whether the operation of the air conditioner 31 is continued (step C9), and when the air conditioner 31 has stopped the heating operation during defrosting (No in step C9), The ventilation device 20 is stopped (step C10).
  • the control device 10 suppresses fluctuations in room temperature by stopping the ventilation device 20 when the air conditioner 31 is stopped.
  • the control device 10 acquires the room temperature information again (step C2), and determines whether the room temperature has risen to reach the set temperature T0. (Step C3).
  • the air environment adjustment system 100 can quickly return the lowered room temperature to the set temperature T0 by suppressing the load on the air conditioner 31 as much as possible. Further, when the set temperature T0 is reached, the ventilation volume required for the air-conditioned room 1 can be secured by increasing the ventilation volume more than the normal ventilation volume Q0.
  • the air environment adjustment system 100 continues the heating operation during defrosting from the start to the end of the defrosting operation by changing the amount of hot water circulating in the second air conditioning circuit. Can be made to.
  • the control device 10 operates the heating circulation pump 62 at the minimum output.
  • the control device 10 detects the room temperature and increases the output of the heating circulation pump 62 provided in the second air conditioning circuit when a predetermined temperature threshold is reached.
  • the predetermined temperature threshold value is, for example, a limit temperature threshold value having the lowest temperature among a plurality of temperature threshold values. In the first embodiment, as shown in FIG.
  • the control device 10 increases the circulation amount of the heating circulation pump 62, and the heating operation during defrosting.
  • the duration is controlled to be equal to the duration of the defrosting operation.
  • the control device 10 minimizes the circulation amount of the heating circulation pump 62 at the same time as the defrosting operation starts, and detects the heat storage amount of the tank 61, the room temperature of the air conditioning target room 1, and the duration of the defrosting operation. Then, the control device 10 calculates the maximum circulation amount of the heating circulation pump 62 so that the hot water temperature of the tank 61 does not reach the set temperature T0 when the hot water of the tank 61 is circulated during the defrosting operation. Then, the control device 10 increases the circulation amount of the heating circulation pump 62 when the room temperature reaches the set temperature T0-4 ° C.
  • the above control is performed by the hot water supply / air conditioning control unit 58 of the control device 10.
  • FIG. 14 is an example of the operation of the air environment adjustment system 100 according to the first embodiment.
  • the hot water supply air conditioning system 30 repeats the operation and stop of the heat pump device 32 in order to maintain the temperature of the air in the air conditioning target room 1 within a predetermined range.
  • the hot-water supply and air-conditioning system 30 is thermo-on controlled and starts operation. That is, the hot water supply and air conditioning system 30 performs the heating operation by activating the compressor 46 and circulating the refrigerant in the refrigeration cycle circuit 33.
  • the heating capacity of the hot water supply and air conditioning system 30 When the heating capacity of the hot water supply and air conditioning system 30 is higher than the heating load in the air-conditioned room 1, the temperature of the air in the air-conditioned room 1 rises, and when the thermo-off temperature reaches 0.5 ° C. higher than the set temperature T0, The hot water supply and air conditioning system 30 is thermo-off controlled to stop operation. At this time, the hot water supply and air conditioning system 30 is in an operating state in which the compressor 46 is stopped and the heat exchanger 43 on the user side does not exchange heat between the refrigerant and air.
  • the hot water supply and air conditioning system 30 performs the heating operation.
  • the operating state of the hot water supply air-conditioning system 30 is determined according to the heating load in the air-conditioned room 1. For example, when the air in the air-conditioned room 1 is low in temperature and the difference from the target temperature set in the hot water supply air conditioning system 30 is large, the hot water supply air conditioning system 30 increases the rotation speed of the compressor 46 and the heating capacity is increased. It is driven in a high condition.
  • the heating load is the cold heat of the air in the air-conditioned room 1, the heat source of a person or the like in the air-conditioned room 1, or the cold heat flowing into the air-conditioned room 1 when the ventilation device 20 ventilates. ..
  • the ventilation device 20 is operated at a ventilation rate of 0.5 times / h in normal operation. Therefore, the air introduced into the air-conditioned room 1 by the ventilation device 20 serves as a heating load.
  • the hot water supply air-conditioning system 30 is operated with a heating capacity higher than the heating load to lower the room temperature. At this time, the compressor 46 is operated at a high rotation speed.
  • the hot-water supply and air-conditioning system 30 is in a low-capacity operating state. Driven by. At this time, when the heating capacity required for the hot water supply air conditioning system 30 is equal to or less than the minimum output, the hot water supply air conditioning system 30 performs thermo-off control and thermo-on control according to the temperature of the air in the air-conditioned room 1. Driving is done.
  • FIG. 14 shows changes in the operating state and temperature of the hot water supply and air conditioning system 30 when the ventilation volume of the ventilation device 20 is the normal operation.
  • the hot water supply and air conditioning system 30 repeats operation and stop in order to maintain the temperature of the air in the air conditioning target room 1 within a predetermined range.
  • the hot water supply and air-conditioning system 30 is thermo-on controlled and starts operation. That is, the hot water supply and air conditioning system 30 performs the heating operation by activating the compressor 46 and circulating the refrigerant in the refrigeration cycle circuit 33.
  • the heating capacity of the hot water supply air conditioning system 30 When the heating capacity of the hot water supply air conditioning system 30 is higher than the heating load in the air conditioning target room 1, the temperature of the air in the air conditioning target room 1 rises, and when the temperature reaches 0.5 ° C. higher than the set temperature T0, the hot water is supplied.
  • the air conditioning system 30 is thermo-off controlled to stop operation. At this time, the hot water supply and air conditioning system 30 is in an operating state in which the compressor 46 is stopped and the heat exchanger 43 on the user side does not exchange heat between the refrigerant and the water in the circuit on the air conditioner 31 side.
  • the ventilation device 20 ventilates the air-conditioned room 1.
  • the hot water supply air conditioning system 30 is thermo-on and thermo-off controlled, and the ventilation device 20 is operated at a ventilation rate of 0.5 times / h in normal operation, the hot water supply air conditioning system 30 is air-conditioned by the ventilation device 20. Due to the heat generated by the air introduced into the target chamber 1, the room temperature fluctuates, and the thermo-on and thermo-off controls are frequently repeated.
  • the equipment provided in the hot water supply / air-conditioning system 30, particularly the compressor 46 has a problem that the number of starts and stops increases and the life of the equipment is shortened. Further, there is a problem that the energy loss also increases due to the increase in the number of times of starting and stopping of the hot water supply and air conditioning system 30.
  • the control device 10 acquires the operation information of the hot water supply / air conditioning system 30 and controls the operation of the ventilation device 20 according to the operating state of the hot water supply / air conditioning system 30. Will be done.
  • FIG. 15 is an example of the operation of the ventilation device 20 and the hot water supply / air conditioning system 30 when the hot water supply / air conditioning system 30 according to the first embodiment is in thermo operation.
  • FIG. 15 shows changes in the operating state and temperature of the hot water supply and air conditioning system 30 when the ventilation volume of the ventilation device 20 is controlled by the control device 10.
  • the control device 10 sets the ventilation volume of the ventilation device 20 to 0.7 times / h when the hot water supply / air conditioning system 30 is thermo-on controlled. Then, the control device 10 sets the ventilation volume of the ventilation device 20 to 0.3 times / h when the hot water supply / air conditioning system 30 is thermo-off controlled.
  • the operation mode in which the ventilation device 20 is controlled in this way is referred to as a third ventilation mode.
  • the third ventilation mode may be referred to as a thermo operation mode.
  • the hot water supply and air conditioning system 30 when the hot water supply and air conditioning system 30 is thermo-on controlled, the amount of outside air introduced into the air-conditioned room 1 becomes larger than usual. Therefore, the temperature change of the air in the air-conditioned room 1 due to the heating operation of the hot water supply and air conditioning system 30 becomes gradual, and the hot water supply and air conditioning system 30 is operated for a long time under the thermo-on control.
  • the hot water supply and air conditioning system 30 when the hot water supply and air conditioning system 30 is thermo-off controlled, the amount of outside air introduced into the air-conditioned room 1 is smaller than usual. Therefore, even if the heating operation by the hot water supply and air conditioning system 30 is stopped, the temperature of the air in the air-conditioned room 1 is easily maintained, and the temperature change becomes gradual.
  • thermo-off control time of the hot water supply and air conditioning system 30 becomes longer. That is, as compared with the case where the ventilation device 20 is operated at a ventilation volume of 0.5 times / h, which is the normal operation, as shown in FIG. 14, the control device 10 is used as shown in FIG. When the operation of the ventilation device 20 is controlled, the cycle of thermo-on and thermo-off control becomes longer. That is, the number of starts and stops of the hot water supply and air conditioning system 30 per unit time is reduced.
  • FIG. 16 is an example of the control flow of the control device 10 according to the first embodiment.
  • the flow of processing executed in the control device 10 of the air environment adjustment system 100 configured as described above will be described with reference to the flowchart shown in FIG.
  • the control device 10 acquires room temperature information (step D1).
  • the room temperature information is the temperature of the air in the air conditioner target room 1 detected by the room temperature detector 11 or the temperature of the air detected by the temperature sensor or the like provided in the air conditioner 31 of the hot water supply air conditioner system 30.
  • the room temperature information is transmitted from at least one of the room temperature detector 11 and the hot water supply / air conditioning control terminal 13 to the communication unit 53 of the control device 10.
  • the room temperature information acquired by the communication unit 53 is processed by the control unit 51 and stored in the storage unit 52 as needed.
  • the control device 10 acquires operation information (step D2).
  • the operation information is at least the frequency of the compressor 46 included in the hot water supply / air conditioning system 30.
  • the operation information is transmitted from the hot water supply / air conditioning control terminal 13 to the communication unit 53 of the control device 10.
  • the operation information acquired by the communication unit 53 is processed by the control unit 51 and stored in the storage unit 52 as needed.
  • the control device 10 determines whether or not the hot water supply / air conditioning system 30 is in the thermo operating state (step D3). Based on the operation information of the hot water supply / air conditioning system 30 acquired in step D2, the control device 10 determines whether or not the hot water supply / air conditioning system 30 is in a thermo-operating state in which the hot water supply / air conditioning system 30 is operated at a capacity lower than the normal capacity.
  • the case where the hot water supply and air conditioning system 30 is operated at the normal capacity means that the hot water supply and air conditioning system 30 is continuously operated at the output between the minimum output and the maximum output of the hot water supply and air conditioning system 30.
  • the above-mentioned normal heating operation corresponds to the operation at the normal capacity.
  • the thermo operation mode refers to a state in which the hot water supply / air conditioning system 30 is performing thermo-on control and thermo-off control.
  • Whether or not the hot water supply and air conditioning system 30 is in the thermo operation mode is determined from the operation information of the hot water supply and air conditioning system 30 or the operation history information obtained by storing the operation information of the hot water supply and air conditioning system 30.
  • the operation history information is a frequency pattern of the compressor 46. The determination of whether or not the hot water supply / air conditioning system 30 of the control device 10 in step D3 is in the thermo operating state will be described in detail later.
  • step D3 when the hot water supply / air conditioning system 30 is not performing the thermo operation, the ventilation device 20 operates in the first ventilation mode shown in FIGS. 8 and 9, and adjusts the ventilation volume according to the fluctuation of the room temperature. It is operated by increasing or decreasing. That is, if No in step D3, the control in the third ventilation mode is terminated.
  • the control device 10 acquires the operation history information of the hot water supply / air conditioning system 30 (step D4). Specifically, the operation pattern of the compressor 46 of the hot water supply / air conditioning system 30 stored in the storage unit 52 is acquired.
  • control device 10 determines the ventilation volume of the ventilation device 20 in each of the thermo-on control and the thermo-off control of the hot water supply and air conditioning system 30 (step D5).
  • the control device 10 controls the ventilation volume of the ventilation device 20 when the hot water supply / air conditioning system 30 controls the thermo-on and the thermo-off control, respectively.
  • the ventilation volume control if the ventilation volume of the ventilation device 20 continues to be low for a long time, the ventilation volume required for the air-conditioned room 1 may not be secured.
  • the ventilation volume required for the air-conditioned room 1 is 0.5 times / h. This is usually referred to as ventilation volume Q0. That is, for example, when the ventilation volume of the ventilation device 20 is set to 0.3 times / h and the ventilation volume is continued for a long time, the thermo-on control and the thermo-off control of the hot water supply and air conditioning system 30 are performed once each.
  • the ventilation volume per cycle of thermo-operation may be less than 0.5 times / h. Further, in the ventilation volume control, if the ventilation device 20 continues to have a large ventilation volume for a long time, the heating load of the air-conditioned room 1 becomes large due to the ventilation, and the hot water supply air-conditioning system 30 is operated with a high heating capacity. As a result, the power consumption of the hot water supply and ventilation system 30 increases.
  • the control device 10 has a thermo-off control time ⁇ t1 which is a duration of thermo-off control and a thermo-off which is a duration of thermo-on control from the operation history information of the hot water supply / air conditioning system 30.
  • the control time ⁇ t2 is read respectively.
  • the control device 10 sets the ventilation volume of the ventilation device 20 at the time of thermo-on control to be larger than the normal ventilation volume Q0, and sets the ventilation volume of the ventilation device 20 at the time of thermo-off control to be smaller than the normal ventilation volume Q0, while performing the thermo operation.
  • the ventilation volume is controlled so that the average ventilation volume per cycle becomes equal to the normal ventilation volume Q0.
  • FIG. 17 is an example of the operation pattern of the compressor 46 of the hot water supply / air conditioning system 30 in the air environment adjustment system 100 according to the first embodiment.
  • the first pattern is a case where the thermo-on control time ⁇ t1 is longer than the thermo-off control time ⁇ t2.
  • the second pattern is a case where the thermo-on control time ⁇ t1 is shorter than the thermo-off control time ⁇ t2.
  • the third pattern is a case where the thermo-on control time ⁇ t1 and the thermo-off control time ⁇ t2 have the same length.
  • the control device 10 may determine that it corresponds to the first pattern and the second pattern. In that case, the control device 10 determines that the third pattern is applicable when the difference between the thermo-on control time ⁇ t1 and the thermo-off control time ⁇ t2 is within 1 minute. With this configuration, the control device 10 can clearly determine the pattern of thermo operation. The details of how the control device 10 sets the ventilation volume of the ventilation device 20 in each pattern will be described later.
  • the control device 10 stores the ventilation volume at each of the thermo-on control time ⁇ t1 and the thermo-off control time ⁇ t2, for example, in the storage unit 52. Then, the control device 10 determines from the operation information that the hot water supply / air conditioning system 30 is operated by the thermo-on control or the thermo-off control, and transmits the ventilation volume according to the operating state to the ventilation control terminal 12.
  • the ventilation control terminal 12 controls the ventilation device 20 based on the instruction from the control device 10 (step D6).
  • the control flow of the control device 10 shown in FIG. 16 starts at a predetermined frequency when the hot water supply operation, the defrosting operation, and the normal heating operation are not performed while the hot water supply / air conditioning system 30 of the air environment adjustment system 100 is operating. Repeat from to the end. However, for example, when the user is set not to perform the control shown in FIG. 16, or when the heating load of the air-conditioned room 1 becomes high and the hot water supply air-conditioning system 30 continues to operate with a predetermined heating capacity, etc. The control may be terminated and the repetition of the control flow may be stopped.
  • FIG. 18 shows an example of the operation history information of the hot water supply / air conditioning system 30 of the air environment adjustment system 100 according to the first embodiment.
  • the determination in step D3 of FIG. 16 will be described with reference to FIG.
  • FIG. 18 is a diagram showing a time transition of the frequency of the compressor 46 of the hot water supply and air conditioning system 30.
  • the frequency of the compressor 46 gradually decreases, and the compressor 46 is operated at the minimum operating frequency.
  • the room temperature reaches a temperature lower than the set temperature T0 by a predetermined temperature while operating at the minimum operating frequency of the compressor 46, the compressor 46 stops operating. After that, if there is no large change in the heating load of the air-conditioned room 1, the hot water supply air-conditioning system 30 repeatedly starts and stops the compressor 46 to perform a thermo operation.
  • the control device 10 determines the thermo operating state of the hot water supply / air conditioning system 30.
  • the first means when the control device 10 detects that the frequency of the compressor 46 of the hot water supply / air conditioning system 30 is the minimum value and the room temperature is within the set temperature T0 ⁇ x ° C., the hot water supply is performed. It is determined that the air conditioning system 30 is in the thermo operating state.
  • the control device 10 acquires the set temperature T0, which is the target temperature of the air conditioning target room 1, and the frequency information of the compressor 46 as operation information from the hot water supply / air conditioning control terminal 13. Further, the control device 10 acquires room temperature information from the room temperature detector 11.
  • the room temperature information from the room temperature detector 11 is within the range of ⁇ x ° C. with respect to the set temperature T0 from the hot water supply / air conditioning control terminal 13
  • the room temperature of the control device 10 is within the range of the set temperature T0 ⁇ x ° C.
  • the room temperature information can be substituted by acquiring the temperature of the temperature sensor or the like of the indoor unit from the hot water supply / air conditioning control terminal 13.
  • the control device 10 detects that the frequency of the compressor 46 of the hot water supply / air conditioning system 30 is 0, it is determined that the hot water supply / air conditioning system 30 is in the thermo-operating state. At this time, the control device 10 acquires the frequency information of the compressor 46 from the hot water supply / air conditioning control terminal 13 as operation information, and when the compressor 46 is stopped while the hot water supply / air conditioning system 30 is in the operating state, the thermostat is used. Judge that it is in the operating state. In the second means, the control device 10 does not use the room temperature information and the information of the set temperature T0, but the room temperature is in the range of the set temperature T0 ⁇ x ° C. from the room temperature information and the information of the set temperature T0. By simultaneously determining whether or not the determination is made, the accuracy of the determination is improved.
  • the control device 10 acquires the operation history information of the compressor 46 of the hot water supply and air conditioning system 30, and stops and starts the compressor 46 at least once from the frequency pattern of the compressor 46. In this case, it is determined that the hot water supply / air conditioning system 30 is in thermo operation. At this time, the control device 10 acquires the frequency pattern stored in the storage unit 52, and is in the thermo operating state when the compressor 46 is stopped and started at least once within a predetermined time in the past from the present time. Judge that. In the third means as well, as in the first means and the second means, the accuracy of the determination is improved by using the room temperature information.
  • the ventilation volume setting of the ventilation device 20 by the control device 10 in step D5 of FIG. 16 will be described.
  • the ventilation volume control of the control device 10 in the first pattern shown in FIG. 17 will be described.
  • the thermo-on control time ⁇ t1 is longer than the thermo-off control time ⁇ t2.
  • the control device 10 determines the first ventilation volume Q1 at the thermo-off control time ⁇ t2.
  • the first ventilation volume Q1 is set to a thermo-off ventilation volume that is smaller than the normal ventilation volume Q0 when the hot water supply / air conditioning system 30 is operated at the normal capacity, and in the first embodiment, 0.3 times / h. It is said.
  • the control device 10 calculates the first integrated ventilation volume V1 from the first ventilation volume Q1 and the thermo-off control time ⁇ t2 to the start of the thermo-on control.
  • the thermo-on control time ⁇ t1 is known from the operation history information.
  • the ventilation volume Q at the thermo-on control time ⁇ t1 such that the average ventilation volume becomes 0.5 times / h, which is the normal ventilation volume Q0 per one cycle of the thermo-operation, is obtained from the following equation.
  • Q ⁇ ⁇ t1 + Q1 ⁇ ⁇ t2 Q0 ⁇ ( ⁇ t1 + ⁇ t2) ... (Equation 1)
  • thermo-on control time ⁇ t1 is shorter than the thermo-off control time ⁇ t2.
  • the control device 10 determines the second ventilation volume Q2 at the thermoon control time ⁇ t1.
  • the second ventilation volume Q2 is set to the ventilation volume at the time of thermo-on, which is larger than the normal ventilation volume Q0 when the hot water supply / air conditioning system 30 is operated at the normal capacity, and in the first embodiment, 0.7 times / h. It is said.
  • the control device 10 calculates the second integrated ventilation volume V2 from the second ventilation volume Q2 and the thermo-on control time ⁇ t1 to the start of the thermo-off control.
  • thermo-off control time ⁇ t2 is known from the operation history information.
  • the ventilation volume Q at the thermo-off control time ⁇ t2 such that the average ventilation volume becomes the normal ventilation volume Q0 per one cycle of the thermo operation can be obtained from the following equation.
  • Q2 ⁇ ⁇ t1 + Q ⁇ ⁇ t2 Q0 ⁇ ( ⁇ t1 + ⁇ t2) ... (Equation 2)
  • first ventilation volume Q1 and the second ventilation volume Q2 in the first pattern and the second pattern are preset ventilation volumes.
  • the first ventilation volume Q1 is the thermo-off ventilation volume lower than the normal ventilation volume Q0
  • the second ventilation volume Q2 is the thermo-on ventilation volume higher than the normal ventilation volume Q. That is, the first ventilation volume Q1 is set to 0 ⁇ Q1 ⁇ 0.5 times / h.
  • the second ventilation volume Q2 is set to 0.5 ⁇ Q2 ⁇ 1 time / h. Further, the thermo-on control time ⁇ t1 may be referred to as a first period, and the thermo-off control time ⁇ t2 may be referred to as a second period.
  • thermo-on control time ⁇ t1 and the thermo-off control time ⁇ t2 have the same length.
  • the control device 10 treats the thermo-on control time ⁇ t1 and the thermo-off control time ⁇ t2 as having the same length when the difference in length is, for example, within 1 minute.
  • the control device 10 sets the first ventilation volume Q1 in the thermo-off control time ⁇ t2 based on the threshold values of the thermo-on control and the thermo-off control acquired from the hot water supply / air-conditioning control terminal 13.
  • the threshold values for the thermo-on control and the thermo-off control may be obtained based on the history of the room temperature information acquired by the control device 10 from the room temperature detector 11 and stored in the storage unit 52.
  • the control device 10 may also refer to the operation history information of the hot water supply / air conditioning system 30.
  • FIG. 19 is a diagram showing the correlation between the ventilation volume of the ventilation device 20 and the threshold value for switching the thermo operation of the hot water supply / air conditioning system 30 in the third pattern of FIG.
  • the control device 10 changes the first ventilation volume Q1 in the thermo-off control time ⁇ t2 according to the threshold value for switching the thermo operation of the hot water supply / air conditioning system 30.
  • the width of the threshold value for switching the thermo operation of the hot water supply / air conditioning system 30 is less than the set temperature T0 ⁇ 0.5 ° C.
  • the first ventilation volume Q1 is set to 0.1 times / h. Set to.
  • the threshold width is not less than the set temperature T0 ⁇ 0.5 ° C.
  • the first ventilation volume Q1 is set to 0.2 times / h. After that, the control device 10 sets the first ventilation volume Q1 to increase in increments of 0.1 times / h every time the width of the threshold value of the hot water supply / air conditioning system 30 increases by ⁇ 0.5 ° C.
  • the relationship between the threshold width and the increase amount of the first ventilation volume Q1 is not limited to that shown in FIG. 10, and for example, the relationship between the threshold width and the first ventilation volume Q1 is proportional. You may do so.
  • the control device 10 first determines the first ventilation volume Q1 at the thermo-off control time ⁇ t2 of the hot water supply and air conditioning system 30 based on FIG.
  • the thermo-operation switching threshold value of the hot water supply and air conditioning system 30 is the set temperature T0 ⁇ 0.5 ° C. Therefore, here, the first ventilation volume Q1 is 0.2 times /. It is set to h.
  • the control device 10 calculates the first integrated ventilation volume V1 from the first ventilation volume Q1 and the thermo-off control time ⁇ t2 to the start of the thermo-on control.
  • the thermo-on control time ⁇ t1 is known from the operation history information.
  • the ventilation volume Q at the thermo-on control time ⁇ t1 such that the average ventilation volume becomes the normal ventilation volume Q0 per one cycle of the thermo operation can be obtained from the above equation 1.
  • the ventilation volume of the ventilation device 20 when the control flow of the control device 10 shown in FIG. 16 is repeatedly performed, it is preferable to set the ventilation volume of the ventilation device 20 based on the latest operation history.
  • the ventilation volume in each case of thermo-on control and thermo-off control is changed, but the lengths of the thermo-on control time ⁇ t1 and the thermo-off control time ⁇ t2 fluctuate as the ventilation volume is changed. It is possible that any of the above-mentioned first pattern, second pattern, and third pattern may be changed to another pattern. Therefore, by repeating the control flow of the control device 10 shown in FIG. 16 and changing the ventilation volume of the ventilation device 20 based on the updated operation history, the average ventilation volume of the air-conditioned room 1 can be maintained more appropriately. It is possible to further suppress frequent fluctuations in dripping and room temperature. Further, even if the load in the air-conditioned room 1 fluctuates, it is possible to deal with it by repeating the control flow.
  • the control device 10 and the air environment adjustment system 100 balance the load due to ventilation of the air-conditioned room 1 and the room temperature fluctuation, suppress the room temperature fluctuation, and generate the compressor 46 of the hot water supply air-conditioning system 30.
  • the number of stops can be reduced.
  • the ventilation device 20 is operated by setting different ventilation volumes during the thermo-on control and the thermo-off control of the hot water supply and air conditioning system 30.
  • the ventilation device 20 is set to secure the average ventilation volume in one cycle of the thermo-operation of the hot water supply and air conditioning system 30 equal to the normal ventilation volume Q0, the necessary ventilation volume of the air-conditioned room 1 is secured. be able to.
  • the room temperature fluctuation of the air-conditioned room 1 becomes gentle, so that the comfort of the air-conditioned room 1 can be improved.
  • the hot water supply and air conditioning system 30 heats the air-conditioned room 1
  • the same control can be performed even when the hot water supply and air conditioning system 30 operates in cooling.
  • the room temperature of the air-conditioned room 1 gradually rises due to ventilation during hot water supply operation and thermo-off control of the hot water supply and air-conditioning system 30, and the cooling capacity of the hot water supply and air-conditioning system 30 of the air-conditioned room 1 during thermo-on control. Since it exceeds the cooling load, the temperature will gradually decrease.
  • the control device 10 detects the control unit 51, the communication unit 53, the hot water supply / air conditioning system operation state detection unit 54, and the room temperature by executing the program stored in the ROM or the storage unit 52 by the CPU. It functions as a unit 55, a ventilation control unit 57, and a hot water supply / air conditioning control unit 58, respectively.
  • the control device 10 may be dedicated hardware. Dedicated hardware is, for example, a single circuit, a composite circuit, a programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), a combination thereof, or the like.
  • the control device 10 is dedicated hardware, the functions of each part may be realized by individual hardware, or the functions of each part may be collectively realized by a single hardware.
  • control device 10 can realize each of the above-mentioned functions by hardware, software, firmware, or a combination thereof.
  • the computer By applying an operation program that defines the operation of the control device 10 to an existing computer such as a personal computer or an information terminal device, the computer can be made to function as the control device 10.
  • the external terminal 90 shown in FIGS. 1 and 2 can be made to function as the control device 10.
  • the distribution method of the program that regulates the operation of the control device 10 is arbitrary, and can be read by a computer such as a CD-ROM (Compact Disk ROM), a DVD (Digital entirely Disk), an MO (Magnet Optical Disk), or a memory card. It may be stored in a recording medium and distributed, or may be distributed via a communication network such as the Internet.
  • a computer such as a CD-ROM (Compact Disk ROM), a DVD (Digital entirely Disk), an MO (Magnet Optical Disk), or a memory card. It may be stored in a recording medium and distributed, or may be distributed via a communication network such as the Internet.
  • Air conditioning target room 10 control device, 11 room temperature detector, 12 ventilation control terminal, 13 hot water supply air conditioning control terminal, 20 ventilation device, 21 intake pipe, 21a suction port, 22 exhaust pipe, 22a exhaust port, 23 total heat exchange unit , 24 outside air direct introduction bypass, 25 intake fan, 26 exhaust fan, 27 bypass fan, 29 connection part, 29a opening / closing part, 30 hot water supply air conditioning system, 31 air conditioning device, 32 heat pump device, 33 refrigeration cycle circuit, 40 hot water supply device, 41 Hot water supply terminal, 42 four-way valve, 43 user side heat exchanger, 44 expansion device, 45 heat source side heat exchanger, 46 compressor, 47 flow path switching device, 49 outdoor blower, 51 control unit, 52 storage unit, 53 communication unit , 54 Hot water supply and air conditioning system operation status detection unit, 55 Room temperature detection unit, 56 Time measurement unit, 57 Ventilation control unit, 58 Hot water supply and air conditioning control unit, 60 tanks, 62 Heating circulation pump, 63 Hot water supply pump, 90 External terminal, 100 Air environment adjustment System, Q ventilation volume, Q0 normal ventilation volume,

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

L'invention concerne un dispositif de commande, un système de réglage d'un environnement d'air, un procédé de réglage de l'environnement d'air, un programme et un support d'enregistrement, permettant, même lorsque la température n'est pas réglée par un appareil de climatisation au moyen de la commutation d'un mode de fonctionnement d'un système de climatisation d'alimentation en eau chaude dans un espace pour lequel une climatisation est effectuée à l'aide du système de climatisation d'alimentation en eau chaude, de supprimer une variation de la température ambiante et de régler l'environnement d'air dans l'espace. Le dispositif de commande peut commander le fonctionnement d'un appareil de ventilation destiné à ventiler l'intérieur d'un espace à climatiser, la température de ce dernier étant réglée à une température prédéfinie à l'aide de l'appareil de climatisation du système de climatisation d'alimentation en eau chaude muni d'une pompe à chaleur permettant d'alimenter en chaleur un appareil d'alimentation en eau chaude ou l'appareil de climatisation. Le dispositif de commande comprend : une unité de communication destinée à acquérir des informations de température ambiante et de fonctionnement concernant le système de climatisation d'alimentation en eau chaude ; et une unité de commande de ventilation destinée à commander la quantité de ventilation de l'appareil de ventilation. L'unité de commande de ventilation modifie la quantité de ventilation en fonction des informations de température ambiante et de fonctionnement concernant l'appareil d'alimentation en eau chaude ou l'appareil de climatisation.
PCT/JP2019/021046 2019-05-28 2019-05-28 Dispositif de commande, système et procédé de réglage d'environnement d'air, programme, et support d'enregistrement WO2020240685A1 (fr)

Priority Applications (2)

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JP2021521613A JP7199529B2 (ja) 2019-05-28 2019-05-28 制御装置、空気環境調整システム、空気環境調整方法、プログラム、及び記録媒体
PCT/JP2019/021046 WO2020240685A1 (fr) 2019-05-28 2019-05-28 Dispositif de commande, système et procédé de réglage d'environnement d'air, programme, et support d'enregistrement

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PCT/JP2019/021046 WO2020240685A1 (fr) 2019-05-28 2019-05-28 Dispositif de commande, système et procédé de réglage d'environnement d'air, programme, et support d'enregistrement

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Citations (5)

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JPH0849901A (ja) * 1994-08-03 1996-02-20 Matsushita Refrig Co Ltd 蓄熱式空気調和機
JP2014031954A (ja) * 2012-08-03 2014-02-20 Panasonic Corp 空気調和機
JP2014134343A (ja) * 2013-01-10 2014-07-24 Daikin Ind Ltd 空気調和システム
WO2017134807A1 (fr) * 2016-02-05 2017-08-10 三菱電機株式会社 Climatiseur
JP2017219245A (ja) * 2016-06-07 2017-12-14 リンナイ株式会社 空調システム

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JP2005009796A (ja) 2003-06-20 2005-01-13 Tokyo Gas Co Ltd 換気量制御方法
JP5087484B2 (ja) 2008-07-10 2012-12-05 株式会社コロナ 貯湯式給湯暖房装置
JP5920251B2 (ja) 2013-03-08 2016-05-18 株式会社デンソー 暖房給湯装置

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
JPH0849901A (ja) * 1994-08-03 1996-02-20 Matsushita Refrig Co Ltd 蓄熱式空気調和機
JP2014031954A (ja) * 2012-08-03 2014-02-20 Panasonic Corp 空気調和機
JP2014134343A (ja) * 2013-01-10 2014-07-24 Daikin Ind Ltd 空気調和システム
WO2017134807A1 (fr) * 2016-02-05 2017-08-10 三菱電機株式会社 Climatiseur
JP2017219245A (ja) * 2016-06-07 2017-12-14 リンナイ株式会社 空調システム

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