WO2022176274A1 - 空気調和装置の室内機 - Google Patents
空気調和装置の室内機 Download PDFInfo
- Publication number
- WO2022176274A1 WO2022176274A1 PCT/JP2021/039227 JP2021039227W WO2022176274A1 WO 2022176274 A1 WO2022176274 A1 WO 2022176274A1 JP 2021039227 W JP2021039227 W JP 2021039227W WO 2022176274 A1 WO2022176274 A1 WO 2022176274A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flap
- space
- indoor unit
- air conditioner
- fan
- Prior art date
Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 230000004913 activation Effects 0.000 claims 1
- 238000007791 dehumidification Methods 0.000 abstract description 5
- 230000001954 sterilising effect Effects 0.000 description 25
- 238000000034 method Methods 0.000 description 24
- 238000004659 sterilization and disinfection Methods 0.000 description 24
- 238000001035 drying Methods 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 241000894006 Bacteria Species 0.000 description 12
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
-
- 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
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
- F24F8/26—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media using ozone
-
- 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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/40—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ozonisation
Definitions
- the present disclosure relates to an indoor unit of an air conditioner.
- bacteria mixed in the air that is inhaled during cooling operation may adhere to the inside of the indoor unit.
- the condensed water When condensed water is generated inside the indoor unit due to cooling operation, the condensed water facilitates breeding of bacteria. When bacteria grow, it causes stains and odors. Therefore, it is required to suppress the propagation of bacteria.
- Patent Document 1 discloses a method using ozone. According to this method, after the cooling operation is stopped, ozone is generated with the air outlet closed to generate OH radicals for sterilization, and then the wet interior of the indoor unit is dried by the heating operation. I'm doing it.
- Patent Document 1 it takes time to start drying, so the inside of the indoor unit remains in a high humidity state for a long time, which is not preferable in terms of suppressing the growth of bacteria.
- the present disclosure has been made in view of such circumstances, and an object of the present disclosure is to provide an indoor unit of an air conditioner that can prevent the interior of the indoor unit from being in a high humidity state for a long time. do.
- an indoor unit of an air conditioner according to an aspect of the present disclosure includes a housing having a space formed inside and an air outlet communicating with the space and the outside, and the air outlet is opened. and a closing flap, an ozone generator provided in the space, and a control unit, wherein the control unit prevents the flap from blocking the outlet after the cooling operation or the dehumidifying operation is stopped. Ozone is generated from the ozone generator in the open state.
- the indoor unit of the air conditioner it is possible to prevent the interior of the indoor unit from being in a high humidity state for a long period of time.
- FIG. 2 is a side cross-sectional view of an indoor unit of the air conditioner; Fig. 2 is a side cross-sectional view of an indoor unit of the air conditioner; Fig. 2 is a side cross-sectional view of an indoor unit of the air conditioner; Fig. 2 is a side cross-sectional view of an indoor unit of the air conditioner; FIG. 4 is a diagram showing the relationship between the amount of dew condensation, the number of remaining bacteria, and time.
- FIG. 5 is a diagram showing the difference in the amount of condensation reduction depending on the state of the flap in the relationship between the amount of condensation and time.
- an indoor unit of an air conditioner according to an embodiment of the present disclosure will be described with reference to the drawings.
- a wall-mounted indoor unit will be described as an example, but the type of indoor unit is not limited to the wall-mounted type, and other types of indoor units can also be applied.
- FIG. 1 to 4 show side sectional views of an indoor unit 1 of an air conditioner 100.
- the air conditioner 100 includes an indoor unit 1 installed indoors and an outdoor unit (not shown) installed outdoors.
- the indoor unit 1 and the outdoor unit are connected by a refrigerant pipe or the like (not shown).
- the indoor unit 1 includes a housing 10, a flap 20, a fan 31, a heat exchanger 32 and an ozone generator 40.
- a space 13 is formed inside the housing 10 .
- the space 13 accommodates a fan 31 , a heat exchanger 32 and an ozone generator 40 .
- a blowout port 11 is provided at the bottom of the housing 10 .
- the air outlet 11 communicates the space 13 with the outside (inside the room) of the housing 10 .
- the blowout port 11 is an opening for blowing out temperature-adjusted air into the room.
- a suction port 12 is provided in the upper part (ceiling part) of the housing 10 .
- the suction port 12 communicates the space 13 with the outside (inside the room) of the housing 10 .
- the suction port 12 is an opening for taking in air in the room before temperature adjustment into the space 13 .
- the flap 20 is a plate-like component provided at the blowout port 11 . As shown in FIGS. 1 to 4, the flap 20 is positioned between a closed position (FIG. 1) in which the outlet 11 is closed and an open position (FIGS. 2 to 4) in which the outlet 11 is opened without being closed. is configured to move
- the closed position in which the outlet 11 is closed refers to, for example, a state in which the housing 10 and the tip portion 21 of the flap 20 are smoothly flush with each other, as shown in FIG.
- the front end portion 21 of the flap 20 is an end portion located on the upstream side in the air blowing direction.
- the fan 31 is a cylindrical cross-flow fan.
- the fan 31 extends in a direction perpendicular to the plane of the drawing. Fan 31 is driven by a motor (not shown).
- the heat exchanger 32 is provided so as to surround the fan 31 from the outer periphery.
- the heat exchanger 32 is, for example, of plate-fin tube type.
- Drain pans 33 and 34 are provided below the heat exchanger 32 to receive water droplets generated by heat exchange.
- An air flow is generated by the rotation of the fan 31, and the air is taken into the space 13 from the suction port 12. Air taken in from the suction port 12 is supplied to the heat exchanger 32 . The air heat-exchanged by the heat exchanger 32 is blown out of the housing 10 from the outlet 11 (into the room).
- the ozone generator 40 is a device that generates ozone in the space 13 .
- the ozone generator 40 is of a discharge type, for example.
- the ozone generator 40 is provided, for example, on the front side of the housing 10 in the space 13 .
- ozone generators 40 are not limited to those shown in Figs. 1 to 4 .
- two ozone generators 40 may be provided, and they may be installed in the vicinity of the outlet 11 .
- the indoor unit 1 configured as described above is appropriately controlled by a control unit (not shown) and operated in various operation modes (cooling, dehumidifying, blowing, heating, etc.).
- control unit includes, for example, a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a computer-readable storage medium, and the like.
- a series of processes for realizing various functions is stored in a storage medium or the like in the form of a program, for example, and the CPU reads out this program to a RAM or the like, and executes information processing and arithmetic processing.
- the program may be pre-installed in a ROM or other storage medium, provided in a state stored in a computer-readable storage medium, or delivered via wired or wireless communication means. etc. may be applied.
- Computer-readable storage media include magnetic disks, magneto-optical disks, CD-ROMs, DVD-ROMs, semiconductor memories, and the like.
- the indoor unit 1 can perform the sterilization process as described above after stopping the cooling operation or the dehumidifying operation. Control of each device related to sterilization is performed by a control unit (not shown). Note that “after the cooling operation or the dehumidifying operation is stopped” refers to, for example, a state in which the compressor (not shown) is stopped and the flap 20 is moved to the closed position.
- FIG. 6 shows the relationship between the amount of condensation present in the space 13 after the cooling operation or the dehumidifying operation is stopped, the number of remaining bacteria, and time.
- a certain amount of condensed water and bacteria are present until the cooling operation or dehumidifying operation is stopped.
- the ozone generator 40 After stopping the cooling operation or the dehumidifying operation, the ozone generator 40 generates ozone to dissolve the ozone in the condensed water. At this time, contact between the condensed water and ozone generates OH radicals having stronger oxidizing power than ozone. As the drying progresses, the amount of condensed water decreases, and the number of remaining bacteria also decreases.
- ozone is generated (that is, the ozone generator 40 is activated) while drying the space 13 .
- This method can prevent the space 13 from being in a high-humidity state for a long period of time and can increase the concentration of OH radicals dissolved in the condensed water in a short period of time. Drying of the space 13 is started by opening at least the flap 20 regardless of whether or not the fan 31 blows air.
- the fan 31 may be driven at the same time as the ozone generator 40 is activated. This can further promote drying of the space 13 .
- FIG. 7 shows the difference in the amount of condensation reduction depending on the state of the flap 20 in the relationship between the amount of condensation and time when the fan 31 is driven. According to this, it can be seen that drying is accelerated when the flap 20 is open (indicated by the solid line) as compared to when the flap 20 is closed (indicated by the dashed line).
- the fan 31 may be driven after a predetermined time (first predetermined time) has elapsed since the ozone generator 40 was activated. This allows sufficient time for the ozone to dissolve in the condensed water. Since the air outlet 11 is in an open state, the drying of the space 13 is performed from the start-up of the ozone generator 40 to the driving of the fan 31 .
- the first predetermined time is a time obtained from a test conducted in advance, and is, for example, 30 to 60 minutes.
- the flap 20 While the space 13 is being dried, it is preferable to position the flap 20 within a range that the flap 20 can take during normal cooling operation or dehumidifying operation. This allows efficient drying. In particular, drying can be most efficiently performed by positioning the flap 20 at the maximum air volume position (see FIG. 3) during normal cooling operation or dehumidifying operation.
- the flap 20 may be positioned on the side that closes the outlet 11 (the side close to the state in FIG. 1) outside the range that the flap 20 can take during normal cooling operation or dehumidification operation. This reduces the possibility that the humid air coming out of the outlet 11 hits the user during the sterilization process.
- the sterilization process is stopped when a predetermined time (second predetermined time) has passed.
- stopping the sterilization means stopping the ozone generator 40 or the fan 31 .
- the sterilization process can be stopped by simple control.
- the second predetermined time is a time obtained by a test conducted in advance, and is a time during which the space 13 can be sufficiently dried.
- the second predetermined time is, for example, 60 to 120 minutes.
- the humidity of the drawn air and the humidity of the blown air are measured as follows. That is, as shown in FIG. 1, a humidity sensor (first humidity sensor 51) is provided in the vicinity of the outlet 11 or in the space 13 downstream of the heat exchanger 32 in the direction of air flow. Another humidity sensor (second humidity sensor 52 ) is provided in the vicinity of the suction port 12 and in the space 13 on the upstream side of the heat exchanger 32 . This makes it possible to measure the humidity of the air drawn in and the humidity of the air blown out.
- first humidity sensor 51 is provided in the vicinity of the outlet 11 or in the space 13 downstream of the heat exchanger 32 in the direction of air flow.
- second humidity sensor 52 is provided in the vicinity of the suction port 12 and in the space 13 on the upstream side of the heat exchanger 32 . This makes it possible to measure the humidity of the air drawn in and the humidity of the air blown out.
- the control unit causes the ozone generator 40 to generate ozone in an open state in which the flap 20 does not block the blowout port 11. Therefore, the ozone generated in the space 13 is At the same time that ozone is dissolved in the condensed water to generate OH radicals, drying of the space 13 can be started. As a result, the space 13 can be prevented from being in a high humidity state for a long period of time, and the concentration of OH radicals dissolved in the condensed water can be increased in a short period of time. Therefore, after the cooling operation or the dehumidification operation is stopped, it is possible to efficiently suppress the propagation of bacteria and to exhibit the bactericidal effect of the OH radicals generated from ozone in a short time.
- the drying of the space can be accelerated.
- the fan 31 when the fan 31 is driven when the first predetermined time has elapsed after the ozone generator 40 is activated, sufficient time can be taken for dissolving the ozone in the condensed water. Since the air outlet 11 is in an open state, the drying of the space 13 is performed from the start-up of the ozone generator 40 to the driving of the fan 31 .
- the stop of the sterilization process can be controlled based on the time.
- the sterilization process can be stopped by simple control.
- the fan 31 is stopped when the measured value of the first humidity sensor 51 and the measured value of the second humidity sensor 52 become substantially the same, so that the air sucked in and the air blown out are stopped.
- the sterilization process can be stopped based on air humidity differences. As a result, the sterilization process can be stopped after confirming that the space 13 is surely dried.
- the inside (space 13) and the outside (indoor) of the housing 10 are separated from each other by the air outlet 11. is communicated with a sufficient area via Thereby, the drying of the space 13 can be efficiently performed.
- the space 13 can be dried most efficiently when the flap is at its maximum air volume position during cooling operation or dehumidifying operation.
- the flap 20 in the open state is positioned on the side of closing the outlet 11 outside the range that the flap can take during cooling operation or dehumidifying operation, the humid air emitted from the outlet 11 during the sterilization process. The possibility of air hitting the user can be reduced.
- the indoor unit (1) of the air conditioner (100) has a space (13) formed inside and an outlet (11) that communicates with the space and the outside.
- a housing (10) a flap (20) for opening and closing the outlet, an ozone generator (40) provided in the space, and a controller, wherein the controller is and, after cooling operation or dehumidifying operation is stopped, ozone is generated from the ozone generator in an open state in which the flap does not close the outlet.
- the control unit causes the ozone generator to generate ozone in an open state in which the flap does not block the outlet.
- OH radicals are generated by dissolving ozone in the condensed water generated in the space, and drying of the space can be started at the same time.
- the space can be prevented from being in a high humidity state for a long time, and the concentration of OH radicals dissolved in the condensed water can be increased in a short time. Therefore, after the cooling operation or the dehumidification operation is stopped, it is possible to efficiently suppress the propagation of bacteria and to exhibit the bactericidal effect of the OH radicals generated from ozone in a short time.
- the indoor unit of an air conditioner includes a fan (31) provided in the space and sending air to the outlet, and the control unit simultaneously activates the ozone generator. drive the fan;
- control unit drives the fan at the same time when the ozone generator is activated, so it is possible to promote the drying of the space.
- the indoor unit of the air conditioner includes a fan provided in the space and sending air to the outlet, and the control unit controls the first air conditioner after starting the ozone generator.
- the fan is driven when a predetermined time has passed.
- the control unit drives the fan when the first predetermined time has passed since the start of the ozone generator. can take enough.
- the air outlet since the air outlet is in an open state, the drying of the space is performed from the start of the ozone generator to the driving of the fan.
- control unit stops the fan when a second predetermined time has elapsed after driving the fan.
- the control unit stops the fan when the second predetermined time elapses after the fan is driven, so that the stop of the sterilization process is controlled based on the time. be able to. As a result, the sterilization process can be stopped by simple control.
- the housing has a suction port (12) that communicates with the space and the outside, and a first suction port (12) provided in the space near the outlet port.
- the control unit drives the fan when the measured value of the first humidity sensor and the measured value of the second humidity sensor become substantially the same. Since it stops, the sterilization process can be stopped based on the humidity difference between the sucked air and the blown air. This makes it possible to stop the sterilization process after confirming that the space has been reliably dried.
- the flap in the open state is located within a range that the flap can take during cooling operation or dehumidifying operation.
- the flap in the open state is located within a range that the flap can take during the cooling operation or the dehumidifying operation. (inside the room) communicate with each other with a sufficient area through the outlet. Thereby, the drying of the space can be efficiently performed.
- the flap in the open state is at the maximum air volume position of the flap during cooling operation or dehumidifying operation.
- the flap in the open state is at the maximum air volume position of the flap during the cooling operation or the dehumidifying operation, so the space can be dried most efficiently.
- the flap in the open state is positioned on the side that closes the outlet outside the range that the flap can take during cooling operation or dehumidification operation. is doing.
- the flap in the open state is located on the side that closes the outlet outside the range that the flap can take during the cooling operation or the dehumidifying operation. The user can be less likely to be exposed to humid air coming out of the outlet during processing.
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Air Conditioning Control Device (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
Description
すなわち、本開示の一態様に係る空気調和装置の室内機は、内部に形成された空間と、該空間と外部と連通する吹出口と、を有している筐体と、前記吹出口を開放及び閉塞するフラップと、前記空間に設けられているオゾン発生装置と、制御部と、を備え、前記制御部は、冷房運転又は除湿運転の停止後、前記フラップが前記吹出口を閉塞していない開状態で前記オゾン発生装置からオゾンを発生させる。
なお、本実施形態においては、壁掛け型の室内機を例にして説明するが、室内機の型式については、壁掛け型に限定されるものではなく、他の型式の室内機にも適用できる。
図1から図4には空気調和装置100の室内機1の側断面図が示されている。
空気調和装置100は、室内に設けられる室内機1と室外に設けられる室外機(図示せず)とを備えている。室内機1と室外機とは、冷媒配管等(図示せず)によって接続されている。
そして、各種機能を実現するための一連の処理は、一例として、プログラムの形式で記憶媒体等に記憶されており、このプログラムをCPUがRAM等に読み出して、情報の加工・演算処理を実行することにより、各種機能が実現される。
なお、プログラムは、ROMやその他の記憶媒体に予めインストールしておく形態や、コンピュータ読み取り可能な記憶媒体に記憶された状態で提供される形態、有線又は無線による通信手段を介して配信される形態等が適用されてもよい。
コンピュータ読み取り可能な記憶媒体とは、磁気ディスク、光磁気ディスク、CD-ROM、DVD-ROM、半導体メモリ等である。
乾燥状態においてオゾンで殺菌することは一般的によく知られている。
また、水分にオゾンを溶解させて、その後に乾燥させることで殺菌効果が向上することが明らかになっている。これは、次の要因によるもと考えられる。すなわち、水とオゾンとが接触することでオゾンよりも酸化力が強いOHラジカルが生成され、このOHラジカルが強力な殺菌効果を発揮する。
なお、冷房運転又は除湿運転の停止後とは、例えば、コンプレッサ(図示せず)を停止させ、フラップ20を閉状態位置に移動させた状態を指す。
冷房運転又は除湿運転を停止した後、オゾン発生装置40でオゾンを発生させることで結露水にオゾンを溶解させる。このとき、結露水とオゾンとが接触することで、オゾンよりも酸化力が強いOHラジカルが生成される。そして、乾燥が進んで結露水の量が減少するとともに菌の残存数も減少していく。
空間13の乾燥は、ファン31による送風の有無に関係なく、少なくともフラップ20を開状態とすることで開始される。
殺菌処理が開示された後、所定時間(第2所定時間)が経過したときに、殺菌処理を停止する。ここで、殺菌処理の停止とは、オゾン発生装置40の停止やファン31の停止を指す。これによって、簡易な制御によって殺菌処理を停止することができる。
殺菌処理が開示された後、吸い込まれた空気と吹き出された空気の湿度差が略同値になったときに、殺菌処理を停止する。これによって、空間13が確実に乾燥したことを確認してから殺菌処理を停止することができる。
すなわち、図1に示すように、吹出口11の近傍や空気の流れ方向において熱交換器32よりも下流側の空間13に湿度センサ(第1湿度センサ51)を設けておく。また、吸込口12の近傍や熱交換器32よりも上流側の空間13に他の湿度センサ(第2湿度センサ52)を設けておく。これによって、吸い込まれた空気の湿度及び吹き出された空気の湿度を計測することができる。
室内機1によれば、制御部は、冷房運転又は除湿運転の停止後、フラップ20が吹出口11を閉塞していない開状態でオゾン発生装置40からオゾンを発生させるので、空間13に発生した結露水にオゾンを溶解させОHラジカルを生成すると同時に空間13の乾燥を開始することができる。これによって、空間13が長時間にわたって高湿度状態になることを避けるとともに、結露水に溶存するОHラジカルを短時間で高濃度とすることができる。このため、冷房運転又は除湿運転の停止後において、菌の繁殖を効率的に抑制するとともに、オゾンから生成されたOHラジカルによる殺菌効果を短時間で発揮させることができる。
すなわち、本開示の一態様に係る空気調和装置(100)の室内機(1)は、内部に形成された空間(13)と、該空間と外部と連通する吹出口(11)と、を有している筐体(10)と、前記吹出口を開放及び閉塞するフラップ(20)と、前記空間に設けられているオゾン発生装置(40)と、制御部と、を備え、前記制御部は、冷房運転又は除湿運転の停止後、前記フラップが前記吹出口を閉塞していない開状態で前記オゾン発生装置からオゾンを発生させる。
10 筐体
11 吹出口
12 吸込口
13 空間
20 フラップ
21 先端部
31 ファン
32 熱交換器
33 ドレンパン
34 ドレンパン
40 オゾン発生装置
51 第1湿度センサ
52 第2湿度センサ
100 空気調和装置
Claims (8)
- 内部に形成された空間と、該空間と外部と連通する吹出口と、を有している筐体と、
前記吹出口を開放及び閉塞するフラップと、
前記空間に設けられているオゾン発生装置と、
制御部と、
を備え、
前記制御部は、冷房運転又は除湿運転の停止後、前記フラップが前記吹出口を閉塞していない開状態で前記オゾン発生装置からオゾンを発生させる空気調和装置の室内機。 - 前記空間に設けられ、前記吹出口に空気を送るファンを備え、
前記制御部は、前記オゾン発生装置の起動と同時に前記ファンを駆動する請求項1に記載の空気調和装置の室内機。 - 前記空間に設けられ、前記吹出口に空気を送るファンを備え、
前記制御部は、前記オゾン発生装置を起動してから第1所定時間が経過したときに前記ファンを駆動する請求項1に記載の空気調和装置の室内機。 - 前記制御部は、前記ファンを駆動してから第2所定時間が経過したときに前記ファンを停止する請求項2又は3に記載の空気調和装置の室内機。
- 前記筐体は、前記空間と外部と連通する吸込口を有し、
前記吹出口近傍の前記空間に設けられた第1湿度センサと、
前記吸込口近傍の前記空間に設けられた第2湿度センサと、
を備え、
前記制御部は、前記ファンを駆動した後、前記第1湿度センサの計測値と前記第2湿度センサの計測値とが略同値になったときに前記ファンを停止する請求項2又は3に記載の空気調和装置の室内機。 - 開状態にある前記フラップは、冷房運転中又は除湿運転中に前記フラップが取り得る範囲に位置している請求項1から5のいずれかに記載の空気調和装置の室内機。
- 開状態にある前記フラップは、冷房運転中又は除湿運転中における前記フラップの最大風量位置にある請求項6に記載の空気調和装置の室内機。
- 開状態にある前記フラップは、冷房運転中又は除湿運転中に前記フラップが取り得る範囲外において前記吹出口を閉塞する側に位置している請求項1から5のいずれかに記載の空気調和装置の室内機。
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2021
- 2021-02-19 JP JP2021025495A patent/JP2022127378A/ja active Pending
- 2021-10-25 WO PCT/JP2021/039227 patent/WO2022176274A1/ja unknown
- 2021-10-25 EP EP21926703.6A patent/EP4273463A1/en active Pending
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JPH0296519U (ja) * | 1989-01-13 | 1990-08-01 | ||
JPH07269893A (ja) * | 1994-03-28 | 1995-10-20 | Blue Medical Sci:Kk | 空気調和装置 |
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