WO2016002073A1 - 換気装置 - Google Patents

換気装置 Download PDF

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Publication number
WO2016002073A1
WO2016002073A1 PCT/JP2014/067934 JP2014067934W WO2016002073A1 WO 2016002073 A1 WO2016002073 A1 WO 2016002073A1 JP 2014067934 W JP2014067934 W JP 2014067934W WO 2016002073 A1 WO2016002073 A1 WO 2016002073A1
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WO
WIPO (PCT)
Prior art keywords
air
humidity
indoor
target
temperature
Prior art date
Application number
PCT/JP2014/067934
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
秀元 荒井
真海 安田
雅洋 長谷川
文夫 齋藤
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.)
Filing date
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 JP2016530787A priority Critical patent/JP6234575B2/ja
Priority to EP14896497.6A priority patent/EP3165845B1/de
Priority to CN201480080091.2A priority patent/CN106489055B/zh
Priority to US15/320,801 priority patent/US20170159964A1/en
Priority to PCT/JP2014/067934 priority patent/WO2016002073A1/ja
Publication of WO2016002073A1 publication Critical patent/WO2016002073A1/ja

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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
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/81—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
    • 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
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • 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
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F2012/007—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using a by-pass for bypassing the heat-exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F24F2110/22—Humidity of the outside air

Definitions

  • the present invention relates to a ventilation device.
  • the compressor of the outdoor unit is controlled and detected by correcting the compressor rotation speed according to the difference between the indoor humidity and the indoor temperature detected in the dehumidifying operation of the air conditioner.
  • the outdoor fan is controlled by correcting the rotational speed of the outdoor fan based on the difference between the room temperature and the indoor set temperature, and the dehumidifying operation is performed by alternately performing the compressor operation and the outdoor fan operation by the corrected control.
  • the temperature sensor which measures the temperature of outdoor air the humidity sensor which measures the humidity of outdoor air
  • the air-conditioning coil which heats supply air the measurement result of a temperature sensor and a humidity sensor
  • Patent Document 1 does not consider outdoor temperature / humidity information or air conditioning load due to ventilation, so the efficiency of comprehensive air conditioning operation is not sufficiently considered, and is not sufficient for comprehensive control of air conditioners. Met.
  • parameters for controlling the air conditioning coil are limited to the outside air temperature and the outside air humidity. Even when the room is low-humidity and the amount of humidification needs to be increased at the start of operation, if the air-conditioning coil capacity is limited due to the outside air temperature and humidity conditions, it will take time for the room to reach a comfortable humidity state. And comfort is impaired.
  • the present invention has been made in view of the above, and an object of the present invention is to provide a ventilator that performs an operation that hardly causes a change in indoor humidity by supplying air with an optimum dehumidifying amount when taking outside air by ventilation. To do.
  • the present invention provides a casing having an air supply air passage and an exhaust air passage, and an air supply air passage which sucks outdoor air into the air supply air passage and supplies it to the room.
  • An air supply fan that forms an air flow
  • an exhaust fan that is installed in the exhaust air passage, sucks indoor air into the exhaust air passage, and forms an exhaust air flow that is exhausted to the outside, and between the air supply and exhaust air passages Installed in the casing, and a total heat exchanger that performs total heat exchange between the supply air flow and the exhaust flow
  • an outdoor temperature sensor that measures the temperature of outdoor air
  • an outdoor humidity that measures the humidity of outdoor air Sensor
  • indoor humidity sensor that measures the humidity of room air
  • cooling capacity that can be changed in multiple stages
  • temperature control coil that dehumidifies the airflow after total heat exchange by total heat exchanger, and humidity of room air
  • the target room that stores the target room humidity, which is the target value of When the degree storage unit and the target indoor humidity are equal to or higher than the
  • the ventilator according to the present invention provides an effect of supplying air with an optimum dehumidifying amount when taking in outside air by ventilation, and enabling an operation that hardly causes a change in indoor humidity.
  • FIG. 1 is a top perspective view showing the configuration of the first embodiment of the ventilation device according to the present invention.
  • FIG. 2 is a flowchart showing a flow of operation of the ventilator.
  • FIG. 3 is a flowchart showing the flow of the initial determination control.
  • FIG. 4 is a flowchart showing the flow of operation of steady operation control.
  • FIG. 5 is a time chart showing an example of the operation of the ventilator according to the first embodiment.
  • FIG. 6 is a system diagram illustrating the configuration of the ventilation device and the air conditioner according to the second embodiment.
  • FIG. 7 is a diagram illustrating a method of changing the target indoor relative humidity RHm_ken for the high-sensible heat ratio cooling combined use of the ventilator according to the second embodiment.
  • FIG. 8 is a flowchart showing an operation flow of the ventilation device according to the second embodiment.
  • FIG. 9 is a time chart showing an example of the operation of the ventilator according to the second embodiment.
  • FIG. 1 is a top perspective view showing the configuration of the first embodiment of the ventilation device according to the present invention.
  • the ventilation device 23 includes a main body casing 1, an exhaust fan 2, an air supply fan 3, a total heat exchanger 4, a temperature control coil 5, a humidifying element 6, an exhaust air outlet 7, an air supply air outlet 8, and an air intake port. 9, an exhaust air inlet 10, an outside air temperature sensor 11, an outside air humidity sensor 12, a target indoor humidity storage unit 13, a control unit 14, a remote controller 15, an air path switching damper 16, an indoor temperature sensor 17, and an indoor humidity sensor 18.
  • the ventilator 23 is provided with an air supply outlet 8 and an exhaust air inlet 10 on the indoor side, an exhaust air outlet 7 and an air inlet 9 on the outdoor side, and the air supply inlet 9 on the outdoor side and the air supply on the indoor side. It is a box structure covered with a main body casing 1 that forms an air supply air passage that communicates with the air outlet 8 and an exhaust air passage that communicates the exhaust suction port 10 on the indoor side and the exhaust air outlet 7 on the outdoor side. is there.
  • the air supply blower 3 is incorporated in the air supply air passage and forms an air supply airflow.
  • the exhaust blower 2 is incorporated in the exhaust air passage and forms an exhaust flow.
  • the total heat exchanger 4 is disposed between the supply air flow path and the exhaust air flow path, performs total heat exchange continuously between the supply air flow and the exhaust air flow, uses outdoor air as supply air, and converts indoor air into Use exhaust air.
  • a humidification element 6 is provided on the windward side of the air supply air outlet 8 in the air supply air passage, and the supply air is dehumidified between the air supply fan 3 and the humidification element 6, and the humidification amount
  • a temperature control coil 5 is provided for adjusting the above.
  • a water supply pipe 19 is connected to the humidifying element 6, and during the humidifying operation, the water supply valve 20 is opened, and water for humidification is supplied through the water supply pipe 19.
  • an air path 26 that sends exhaust air to the total heat exchanger 4 and a bypass air path 27 that sends the exhaust air directly to the exhaust fan 2 without passing through the total heat exchanger 4.
  • An air path switching damper 16 that switches between the two is installed. When the air path switching damper 16 is closed, the exhaust air passes through the total heat exchanger 4 and is continuously subjected to total heat exchange with the supply air. When the air path switching damper 16 is open, the exhaust air passes through the bypass air path 27 provided on the side of the total heat exchanger 4 to become exhaust air and is exhausted to the outside by the exhaust fan 2.
  • the ventilator 23 opens the air path switching damper 16 and sends the room air to the bypass air path 27 to perform the outside air cooling by the bypass ventilation.
  • the air path switching damper 16 is closed and the room air is sent to the total heat exchanger 4 so as to carry out total heat exchange ventilation for the purpose of heat recovery of the room air. To work.
  • the control unit 14 controls the ventilation operation.
  • the remote controller 15 receives an operation mode switching operation and the like.
  • the target indoor humidity storage unit 13 stores a target value of indoor humidity.
  • the outside temperature sensor 11 measures the outside temperature Toa.
  • the outside air humidity sensor 12 measures the outside air humidity RHoa.
  • the outside air temperature sensor 11 and the outside air humidity sensor 12 are provided between the supply air inlet 9 and the total heat exchanger 4.
  • the room temperature sensor 17 measures the measured room temperature Tra, that is, the room temperature.
  • the indoor humidity sensor 18 measures the actually measured indoor humidity RHra, that is, the indoor humidity.
  • the indoor temperature sensor 17 and the indoor humidity sensor 18 are provided between the exhaust air inlet 10 and the total heat exchanger 4.
  • the control unit 14 determines the heating capability of the temperature adjustment coil 5 based on the temperature information that is the measurement result of the outside air temperature Toa by the outside air temperature sensor 11 and the humidity information that is the measurement result of the outside air humidity RHoa by the outside air humidity sensor 12. To do.
  • the air that has passed through the total heat exchanger 4 is heated by the temperature adjustment coil 5.
  • the air heated by the temperature control coil 5 passes through the humidifying element 6 and is supplied into the room from the air supply outlet 8 as humidified air. At that time, the humidification amount and the blowing temperature are adjusted by the dehumidification amount in the temperature control coil 5.
  • FIG. 2 is a flowchart showing the flow of operation of the ventilator.
  • the control unit 14 After the start of operation, the control unit 14 performs initial determination control for determining the first operation state (step S1). Then, the control part 14 transfers to steady operation control (step S2). If there is no operation end operation (step S3 / No), the steady operation control is continued. If there is an operation to end the operation (step S3 / Yes), the control unit 14 ends the operation of the ventilation device 23.
  • FIG. 3 is a flowchart showing the flow of initial determination control.
  • the control unit 14 reads the actually measured room relative humidity RHra and the target room relative humidity RHm (step S11).
  • the control unit 14 compares the measured indoor relative humidity RHra with the target indoor relative humidity RHm (step S12).
  • the operation is performed in the dehumidifying mode A (step S13).
  • the temperature adjustment coil 5 is controlled so that the dehumidifying capacity becomes 100% in order to ensure comfort.
  • the control unit 14 determines the indoor humidity state (step S14). The determination of the humidity state is performed based on whether or not the measured indoor relative humidity RHra is equal to or higher than the thermo-off humidity RHoff. If the measured indoor relative humidity RHra is equal to or higher than the thermo-off humidity RHoff, it is determined that the dehumidifying operation needs to be continued. In order to prevent chattering, it is appropriate that the thermo-off humidity RHoff is about 5% lower than the target indoor relative humidity RHm.
  • the control unit 14 operates the ventilator 23 in the dehumidifying mode B (step S15).
  • the control unit 14 determines the ability of the temperature adjustment coil 5 so that the humidity of the supply air from the ventilation device 23 becomes the target indoor relative humidity RHm. Judgment is made automatically based on the humidity RHoa.
  • the capacity value of the temperature control coil 5 is obtained by causing the control unit 14 to store reference data in which the combination of the outside air temperature Toa and the outside air humidity RHoa and the capacity value of the temperature control coil 5 are associated with each other. Make a decision based on the map.
  • the control unit 14 When the room is in a state that does not require dehumidification, that is, when the measured indoor relative humidity RHra is lower than the thermo-off humidity RHoff (step S14 / No), the control unit 14 operates the ventilator 23 in the dehumidification mode C ( Step S16). In the dehumidification mode C, it is not necessary to promote dehumidification by using the temperature control coil 5, and the operation capacity of the temperature control coil 5 is set to 0% in order to suppress a decrease in blowing temperature due to supercooling dehumidification and condensation on the blowing grill. That is, the dehumidifying operation is continued in the thermo-off state.
  • dehumidification mode C by prohibiting bypass ventilation operation that only performs heat exchange ventilation operation and does not perform heat exchange, it is possible to suppress a rapid humidity drop due to ventilation during steady operation, and maintain a constant high humidity state for a long time, Comfort can be secured.
  • FIG. 4 is a flowchart showing a flow of operation of steady operation control.
  • the control part 14 confirms which dehumidification mode is the present dehumidification mode (step S21).
  • the control unit 14 determines whether the measured indoor relative humidity RHra remains higher than the target indoor relative humidity RHm (step S22).
  • the control unit 14 continues the operation of the ventilator 23 in the dehumidifying mode A to increase the indoor humidity. Continue (step S23).
  • step S22 when the measured indoor relative humidity RHra becomes less than the target indoor relative humidity RHm (step S22 / No), the control unit 14 causes the ventilation device 23 to shift to the dehumidifying mode B (step S24).
  • the temperature adjustment coil 5 is operated at the optimum coil capacity value while the outside air temperature Toa and the outside air humidity are monitored by RHoa, and the dehumidifying operation of the ventilation device 23 is continued.
  • the control unit 14 determines whether the measured indoor relative humidity RHra remains lower than the thermo-off humidity RHoff (step S25). When the measured indoor relative humidity RHra remains lower than the thermo-off humidity RHoff (step S25 / No), the control unit 14 causes the ventilator 23 to continue the operation in the dehumidifying mode C (step S26). When the measured indoor relative humidity RHra increases due to ventilation and becomes equal to or higher than the thermo-off humidity RHoff (step S25 / Yes), the control unit 14 shifts the ventilation device 23 to the dehumidifying mode B (step S24).
  • the control unit 14 determines whether the measured indoor relative humidity RHra is equal to or higher than the capacity non-restricted return humidity RHon (step S27). When the measured indoor relative humidity RHra is equal to or higher than the capacity non-restricted return humidity RHon (step S27 / Yes), the control unit 14 causes the ventilator 23 to shift to the dehumidifying mode A (step S23). In order to prevent chattering, it is appropriate that the non-capacity return humidity RHon is about 5% higher than the target indoor relative humidity RHm.
  • the control unit 14 determines whether the measured room relative humidity RHra is equal to or higher than the thermo-off humidity RHoff (step S28).
  • the control unit 14 maintains the ventilation device 23 in the dehumidifying mode B (step S24).
  • the control unit 14 shifts the ventilation device 23 to the dehumidifying mode C (step S26).
  • FIG. 5 is a time chart showing an example of the operation of the ventilator according to the first embodiment.
  • the control unit 14 performs initial determination control. Since the measured indoor relative humidity RHra is higher than the target indoor relative humidity RHm, the control unit 14 causes the ventilator 23 to start the dehumidifying operation in the humidifying mode A.
  • the control unit 14 causes the ventilation device 23 to shift from the dehumidifying mode A to the dehumidifying mode B.
  • the control unit 14 shifts the ventilation device 23 from the dehumidifying mode B to the dehumidifying mode C.
  • the control unit 14 shifts the ventilation device 23 from the dehumidifying mode C to the dehumidifying mode B.
  • the control unit 14 causes the ventilation device 23 to shift from the dehumidifying mode B to the dehumidifying mode A.
  • the control unit 14 causes the ventilation device 23 to shift from the dehumidifying mode A to the dehumidifying mode B.
  • the indoor humidity may decrease when the outside air humidity RHoa to be taken in becomes low. Therefore, in the above control, when the measured indoor relative humidity RHra decreases to the thermo-off humidity RHoff, the dehumidifying mode of the ventilator 23 is switched from the dehumidifying mode B to the dehumidifying mode C.
  • the current dehumidification mode is dehumidification mode B
  • the measured room relative humidity RHra may increase without catching up with the dehumidifying capacity. Therefore, in the above control, when the measured indoor relative humidity RHra exceeds the capacity non-restricted return humidity RHon, the dehumidifying mode of the ventilator 23 is switched from the dehumidifying mode B to the dehumidifying mode A. Thereby, the operation which maximizes the dehumidification amount is performed, and the indoor humidity is reduced as quickly as possible.
  • the control unit 14 determines that the indoor humidity is within the target range, and makes the ventilation device 23 operate in the dehumidifying mode B. Continue energy-saving humidification operation.
  • the target indoor relative humidity RHm and the measured indoor relative humidity RHra are measured and determined based on the relative humidity.
  • the relative humidity may decrease unintentionally as a result. is there.
  • the absolute humidity may be calculated from the actually measured room relative temperature Tra and the actually measured room relative humidity RHra and compared with the target absolute humidity.
  • the capacity value of the temperature adjustment coil 5 is determined based on the target indoor relative humidity RHm, the actually measured indoor relative humidity RHra, the outside air temperature Toa, and the outside air humidity RHoa, and the dehumidifying capacity is appropriately adjusted. Dehumidify while adjusting. Accordingly, when the measured indoor relative humidity RHra is away from the target indoor relative humidity RHm while keeping the indoor humidity constant, the measured indoor relative humidity RHra is set to the target indoor relative humidity RHm as soon as possible by switching the dehumidification mode. The comfort can be improved in a short time.
  • FIG. 6 is a system diagram illustrating the configuration of the ventilation device and the air conditioner according to the second embodiment.
  • the air conditioner 22 and the ventilation device 23 constitute an air conditioning system 50 together with the outdoor unit 21, and are connected to each other by a refrigerant pipe 24 and a communication line 25.
  • the outdoor unit 21 includes a pump that sends the refrigerant to the refrigerant pipe 24.
  • the outdoor unit 21 includes fins that radiate heat absorbed by the refrigerant during the cooling operation in the air conditioner 22 and the ventilation device 23.
  • a part of the air conditioner 22 includes a remote controller 28, and operations such as on / off of operation and switching of operation modes can be performed through the remote controller 28.
  • the target indoor relative humidity RHm_ken for the combined use of the high sensible heat ratio cooling is used as the target indoor humidity when the air conditioner 22 constituting the air conditioning system 50 is performing the high sensible heat specific cooling operation during the dehumidifying operation. Is set.
  • the target indoor relative humidity RHm_ken for the high sensible heat ratio cooling combined use is set to a value between the normal target indoor relative humidity RHm and the thermo-off humidity RHoff.
  • the target indoor relative humidity RHm_ken for use in combination with high sensible heat ratio cooling may be a fixed value or a value that varies depending on the number of interlocking air conditioners. FIG.
  • the target indoor relative humidity RHm_ken for the high-sensible heat ratio cooling may be set so that the value decreases as the number of linked air conditioners 22 increases, or the value increases as the number increases by two or more. You may set so that it may become small.
  • FIG. 8 is a flowchart showing a flow of operation of the ventilator according to the second embodiment.
  • the operation in the initial determination control (step S1) is as described in the first embodiment.
  • the control unit 14 determines whether the air conditioner 22 constituting the air conditioning system 50 is performing a high sensible heat ratio cooling operation during the dehumidifying operation (step S31).
  • the air conditioner 22 is performing the high sensible heat ratio cooling operation (step S31 / Yes)
  • the dehumidifying capability of the ventilation device 23 is maintained and expanded because the dehumidifying capability on the air conditioner side is reduced.
  • the target indoor relative humidity RHm of the ventilator 23 is changed from the normal value to the target indoor relative humidity RHm_ken for use in combination with high sensible heat ratio cooling (step S32).
  • the air conditioner 22 constituting the air conditioning system 50 is performing a normal cooling operation (step S31 / No)
  • a humidity reduction due to cooling dehumidification can be expected.
  • the target room relative humidity RHm which is a normal value (step S33).
  • step S2 steady operation control
  • step S3 steady operation control
  • step S3 / No the process returns to step S31 to determine whether the air conditioner 22 constituting the air conditioning system 50 is performing a high sensible heat ratio cooling operation. If there is an operation for ending operation (step 3 / Yes), the operation is ended.
  • the ability of the temperature adjustment coil 5 is increased by setting the target indoor relative humidity to the target indoor relative humidity RHm, which is a normal value. Perform energy-saving dehumidification operation with reduced energy consumption.
  • FIG. 9 is a time chart showing an example of the operation of the ventilator according to the second embodiment.
  • the control unit 14 performs initial determination control and causes the ventilator 23 to start operation in the dehumidifying mode A.
  • the control unit 14 sets the ventilation device 23 in the dehumidifying mode B. Shift to driving.
  • the control unit 14 causes the ventilation device 23 to shift to the operation in the dehumidifying mode C.
  • the control unit 14 shifts the ventilation device 23 from the dehumidifying mode C to the dehumidifying mode B.
  • the control unit 14 shifts the ventilation device 23 from the dehumidifying mode B to the dehumidifying mode A.
  • the control unit 14 shifts the ventilation device 23 from the dehumidifying mode A to the dehumidifying mode B.
  • the temperature control coil 5 is switched by switching between the normal target room relative humidity RHm and the target room relative humidity RHm_ken for use in combination with the high sensible heat ratio cooling based on whether or not the air conditioner 22 is performing the high sensible heat ratio cooling operation.
  • the range of the dehumidification mode A that operates at a capacity value of 100% can be expanded, it is possible to suppress a decrease in humidity due to dehumidification of the air conditioner.
  • the target indoor humidity of the ventilator 23 is changed based on the cooling operation information and the refrigerant evaporation temperature information. Can be prevented, and indoor comfort can be improved.
  • the supply airflow is determined based on the measured values of the outside air temperature sensor 11 and the outside air humidity sensor 12. Since the cooling capacity of the temperature adjustment coil 5 is determined so that the humidity becomes the target indoor relative humidity RHm, an optimal dehumidification amount is supplied when the outside air is taken in by ventilation, and a cooling and dehumidifying operation in which the indoor humidity hardly changes can be realized.
  • the ventilator according to the present invention is useful in that the ventilator that humidifies the outside air and takes air into the room changes the dehumidification amount with respect to the target indoor humidity and keeps the indoor humidity comfortable. Especially, it is suitable for installing an air conditioner separately in the room and configuring an air conditioning system together with a ventilation device.
  • 1 Body casing 2 exhaust fan, 3 air supply fan, 4 total heat exchanger, 5 temperature control coil, 6 humidifying element, 7 exhaust air outlet, 8 air supply air outlet, 9 air supply air inlet, 10 exhaust air intake Mouth, 11 Outside air temperature sensor, 12 Outside air humidity sensor, 13 Target indoor humidity storage unit, 14 Control unit, 15, 28 Remote controller, 16 Air path switching damper, 17 Indoor temperature sensor, 18 Indoor humidity sensor, 19 Water supply pipe, 20 Water supply valve, 21 outdoor unit, 22 air conditioner, 23 ventilator, 24 refrigerant piping, 25 communication line, 26 airway, 27 bypass airway, 50 air conditioning system.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Ventilation (AREA)
PCT/JP2014/067934 2014-07-04 2014-07-04 換気装置 WO2016002073A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2016530787A JP6234575B2 (ja) 2014-07-04 2014-07-04 換気装置
EP14896497.6A EP3165845B1 (de) 2014-07-04 2014-07-04 Ventilationsvorrichtung
CN201480080091.2A CN106489055B (zh) 2014-07-04 2014-07-04 换气装置
US15/320,801 US20170159964A1 (en) 2014-07-04 2014-07-04 Ventilation device
PCT/JP2014/067934 WO2016002073A1 (ja) 2014-07-04 2014-07-04 換気装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/067934 WO2016002073A1 (ja) 2014-07-04 2014-07-04 換気装置

Publications (1)

Publication Number Publication Date
WO2016002073A1 true WO2016002073A1 (ja) 2016-01-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/067934 WO2016002073A1 (ja) 2014-07-04 2014-07-04 換気装置

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Country Link
US (1) US20170159964A1 (de)
EP (1) EP3165845B1 (de)
JP (1) JP6234575B2 (de)
CN (1) CN106489055B (de)
WO (1) WO2016002073A1 (de)

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EP3165845B1 (de) 2018-11-21
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CN106489055B (zh) 2019-06-18
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