WO2016031304A1 - 空気清浄機 - Google Patents
空気清浄機 Download PDFInfo
- Publication number
- WO2016031304A1 WO2016031304A1 PCT/JP2015/062849 JP2015062849W WO2016031304A1 WO 2016031304 A1 WO2016031304 A1 WO 2016031304A1 JP 2015062849 W JP2015062849 W JP 2015062849W WO 2016031304 A1 WO2016031304 A1 WO 2016031304A1
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- WO
- WIPO (PCT)
- Prior art keywords
- air
- light emitting
- dust
- blower
- concentration
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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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
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- 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
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
-
- 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
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
-
- 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
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
Definitions
- the present invention relates to an air cleaner provided with a dust sensor.
- Patent Document 1 discloses a conventional air cleaner. This air cleaner opens a suction inlet and a blower outlet in the housing
- a dust sensor that detects air contamination is provided on the side of the casing near the air outlet.
- the air purifier varies the blower to a plurality of air blowing levels having different rotation speeds based on a plurality of dirt degrees ranked according to air dirt.
- the blower when the operation is started, the blower is driven and air is sucked from the suction port.
- the air sucked from the suction port is sent out from the outlet into the living room after dust is collected by the filter.
- the blower is driven at a higher blowing speed than when it is low when the degree of contamination is high.
- An object of the present invention is to provide an air cleaner capable of sufficiently removing fine particles in the air while suppressing increases in power consumption and noise.
- the present invention provides an air passage connecting an air inlet for sucking air and an air outlet for blowing air, a blower disposed in the air passage, and an air provided in the air passage.
- a filter that collects dust and a dust sensor that detects the concentration of dust in the air, and the air blower has a plurality of blowers with different rotation speeds based on a plurality of degrees of dirt that are ranked according to the concentration of dust.
- the air purifier that is variable to the level and is set to the blast level that is higher than the low speed when the dirt level is high, Extracting the concentration of fine particles smaller than the predetermined particle size contained in the dust in the air from the detection result of the dust sensor, and further when the concentration of the fine particles is high with respect to the predetermined degree of contamination
- the blower level is increased to increase the rotational speed of the blower.
- air is sucked from the suction port by driving the blower and flows through the blower passage.
- Dust having a large particle diameter in the air and fine particles such as PM2.5 having a small particle diameter are collected by a filter.
- the blower is set to a blower level with a higher rotational speed than when it is low when the degree of contamination is high.
- the concentration of fine particles such as PM2.5 having a particle size smaller than the predetermined particle size contained in the dust in the air is extracted from the detection result of the dust sensor.
- the blower level is further increased than when the fine particles are low to increase the rotational speed of the blower.
- the present invention provides an air cleaner having the above-described configuration, comprising an odor sensor for detecting the concentration of odor components in the air, and based on a plurality of odor ranks ranked according to the concentration of odor components and the degree of contamination. It is preferable to vary the air blowing level and to set the air blowing level at a higher rotation speed than when the odor rank is high than when it is low.
- a first display unit that changes a display state according to the concentration of dust in the air.
- the first display unit is formed to extend in one direction, and is formed at the center.
- a central light-emitting unit composed of two-color LEDs and a double-sided light-emitting unit disposed on both sides of the central light-emitting unit and composed of a plurality of different color single-color LEDs, and adjacent to the central light-emitting unit and the central light-emitting unit
- the distance between the single-color LEDs is longer than the distance between the adjacent single-color LEDs
- the first rank ranked according to the concentration of dust is displayed by the central light emitting unit, and the first rank is further displayed.
- the subdivided second rank is displayed in a symmetrical pattern with respect to the central light emitting portion by the both side light emitting portions.
- the both-side light emitting units sequentially emit the monochromatic LEDs at positions close to the central light emitting unit in accordance with the increase or decrease of the second rank.
- the present invention is preferably provided with a second display portion that indicates that the concentration of the fine particles in the air exceeds a predetermined value.
- the central light emitting unit sequentially switches and emits the light of the first color, the second color, and the third color as the degree of contamination increases, and the both side light emission.
- the unit preferably emits light of the first color, both the first color and the second color, the second color, both the second color and the third color, and the light of the third color in order.
- the first color, the second color, and the third color are more preferably green, orange, and red, respectively.
- the blower is changed to a plurality of blower levels having different rotational speeds based on a plurality of dirt levels ranked according to the concentration of dust, and a blower level having a higher rotational speed than when the dirt level is high and lower. Set to.
- the concentration of microparticles having a particle size smaller than the predetermined particle size contained in the dust in the air is extracted, and when the concentration of the microparticles is high when the concentration of the microparticles is high relative to the predetermined degree of contamination
- the blower level is increased to increase the rotational speed of the blower. Therefore, even if there is no increase in the degree of contamination, the air volume of the blower increases as the concentration of fine particles increases. Therefore, the fine particles in the air can be sufficiently removed while reliably collecting dust having a particle size larger than the fine particles. As a result, a user's health hazard can be easily prevented.
- the concentration of the microparticles is extracted from the detection result of the dust sensor, it is possible to distinguish between the microparticles and the dust having a larger particle diameter than the microparticles. Thereby, the manufacturing cost of an air cleaner can be reduced.
- Side surface sectional drawing which shows the air cleaner of 1st Embodiment of this invention.
- the front view which shows the display part of the air cleaner of 1st Embodiment of this invention.
- the front view which shows the operation part of the air cleaner of 1st Embodiment of this invention.
- the perspective view which shows the humidification part of the air cleaner of 1st Embodiment of this invention.
- Side surface sectional drawing which shows the humidification part of the air cleaner of 1st Embodiment of this invention.
- the image figure which shows the lighting pattern of the center light emission part of the display part of the air cleaner of 2nd Embodiment of this invention, and a both-sides light emission part.
- FIG.1 and FIG.2 has each shown the perspective view and side sectional drawing of the air cleaner of 1st Embodiment.
- an arrow S indicates the flow of air.
- the air cleaner 1 has a housing 2 that is installed on a floor surface or the like in a living room by opening a suction port 3 and air outlets 4 and 5.
- the suction port 3 opens on the back surface of the housing 2, and the air outlets 4 and 5 open on the front upper portion and the rear upper surface of the housing 2, respectively.
- the height of the air outlet 4 is substantially the same as the bed surface of a bed (not shown) in the living room.
- the air outlets 4 and 5 are respectively provided with wind direction plates 14 and 15 that change the wind direction.
- the wind direction plate 14 is formed of a flat plate, and is supported by a rotation shaft portion 14a provided at the rear portion of the wind direction plate 14 so as to be rotatable in the vertical direction.
- the wind direction plate 15 is formed of a flat plate, and is supported by a rotation shaft portion 15a provided at the front portion of the wind direction plate 15 so as to be rotatable in the vertical direction.
- the wind direction plates 14 and 15 open and close the outlets 4 and 5, respectively.
- the wind direction plate 14 can be rotated at a maximum of about 120 ° in the opening direction from the position where the air outlet 4 is closed (see FIG. 11).
- the wind direction plate 15 can be rotated by about 42 ° at the maximum in the opening direction from the position where the air outlet 5 is closed (see FIG. 10).
- a ventilation passage 8 that connects the suction port 3 and the blowout ports 4 and 5 is provided.
- a filter unit 9, a humidifier 20, a blower 10, an ion generator 11, and a damper 12 are provided in the air passage 8 in order from the air inlet 3 toward the air outlets 4 and 5 (from the upstream side to the downstream side of the airflow). .
- the blower passage 8 has a first branch passage 8 a and a second branch passage 8 b that branch downstream of the ion generator 11.
- the first branch passage 8a and the second branch passage 8b communicate with the outlets 4 and 5, respectively, and the cross-sectional area of the air flow path of the first branch passage 8a is larger than the cross-sectional area of the air flow path of the second branch passage 8b. Is also getting smaller.
- the damper 12 is formed in a thin plate shape, and is supported by the rotation shaft portion 12a so as to be rotatable in the vertical direction.
- the damper 12 can be rotated by a maximum of about 180 ° from the position where the first branch passage 8a is closed (see FIG. 11) as shown in FIG.
- the damper 12 changes the air volume balance of the first branch passage 8a and the second branch passage 8b.
- the blower 10 is formed by a sirocco fan driven by a motor 10a, and sucks in the axial direction and exhausts in the circumferential direction.
- the filter unit 9 is provided with a pre-filter, a deodorizing filter, and a dust collection filter (all not shown) in order from the air suction side in the frame 9a.
- a filter pressing member (not shown) is disposed between the prefilter and the deodorizing filter.
- the prefilter is formed by welding a polypropylene mesh (not shown) to a rectangular frame (not shown) having a plurality of rows and rows of windows made of synthetic resin such as ABS. Large dust in the intake air can be collected by the prefilter.
- the deodorizing filter has a rectangular bag made of polypropylene fiber or polyester fiber.
- the bag body is divided into a plurality of storage chambers having a uniform size in the vertical direction.
- Each storage chamber is packed with an adsorbent such as activated carbon uniformly dispersed.
- an adsorbent such as activated carbon uniformly dispersed.
- the dust collection filter is composed of a HEPA filter, and a frame material (not shown) is welded by hot melt so as to cover the filter material (not shown). Fine dust in the air and fine particles such as PM2.5 having a particle size smaller than a predetermined particle size (for example, 3 ⁇ m) can be collected by the dust collecting filter.
- the humidifying unit 20 immerses the lower part of the humidifying filter 23 in the water in the tray 22 and humidifies the air passing through the humidifying filter 23. Thereby, the humidified air (humidified air) is sent out from the blowout ports 4 and 5.
- the ion generator 11 has an ion generation surface 11 a that generates ions when a high voltage is applied, and the ion generation surface 11 a faces the air passage 8.
- a voltage having an AC waveform or an impulse waveform is applied to the ion generation surface 11a.
- the applied voltage of the ion generating surface 11a is a positive voltage
- positive ions mainly composed of H + (H 2 O) m are generated.
- the applied voltage is negative, negative ions mainly composed of O 2 ⁇ (H 2 O) n are generated.
- m and n are integers.
- H + (H 2 O) m and O 2 ⁇ (H 2 O) n aggregate on the surface of airborne bacteria and odor components and surround them.
- active species [ ⁇ OH] hydroxyl radical
- H 2 O 2 hydrogen peroxide
- m ′ and n ′ are integers. Therefore, the air cleaner 1 can perform sterilization and odor removal in the room by generating positive ions and negative ions and sending them out from the outlets 4 and 5.
- hydroxyl groups adhere to the skin and the skin surface becomes hydrophilic. This makes it easier for water molecules to adhere to the skin surface and moisturizes the skin.
- the dust sensor is composed of an optical sensor having a light emitting element and a light receiving element, and detects the concentration of dust in the air based on the output pulse width output from the light receiving element. Further, it is possible to distinguish between PM2.5 and dust having a particle size larger than PM2.5 by the pulse waveform of the output voltage of the dust sensor. For example, the pulse waveform of PM2.5 has a waveform having a gentle peak, and the pulse waveform of dust having a large particle diameter has a waveform having a sharp peak. Thereby, the density
- the odor sensor detects the concentration of odor components in the air.
- An illuminance sensor 13 (see FIG. 4) is provided at the front upper portion of the housing 2.
- the illuminance sensor 13 detects the illuminance in the living room.
- Display units 30, 40, and 50 are provided around the air outlet 4 at the upper front of the housing 2.
- FIG. 3 shows a front view of the display units 30, 40, 50 of the air cleaner 1.
- illustration of the wind direction board 14 is abbreviate
- the display unit 30 (first display unit) is formed to extend in the left-right direction, and includes a central light emitting unit 31, both side light emitting units 32, and a lamp cover 35.
- the lamp cover 35 is made of a translucent resin and covers the central light emitting unit 31 and the both side light emitting units 32.
- the central light emitting unit 31 is disposed in the central portion of the display unit 30 in the left-right direction, and is formed by a two-color LED having a red LED element and a green LED element.
- the central light emitting unit 31 emits red light when only the red LED is turned on, emits green light when only the green LED is turned on, and emits orange light when the red LED and the green LED are turned on.
- Both side light emitting parts 32 are arranged on both sides of the central light emitting part 31, and are composed of a plurality of different color single color LEDs 32R, 32T, 32G.
- the single color LEDs 32R, 32T, and 32G emit red light, orange light, and green light, respectively.
- the monochromatic LEDs 32R, 32T, and 32G are arranged away from the central light emitting unit 31 in this order. That is, the monochromatic LEDs 32R, 32T, and 32G are arranged in this order from the center of the display unit 30 toward the side end.
- the monochromatic LEDs 32R, 32T, and 32G may be collectively referred to as “monochromatic LEDs 32a”.
- the single color LEDs 32R, 32T, and 32G are arranged at equal intervals, and the distance D1 between the central light emitting unit 31 and the single color LED 32R adjacent to the central light emitting unit 31 is between the adjacent single color LEDs 32R and 32T or between the adjacent single color LEDs 32G and 32T. Is longer than the distance D2.
- the display unit 40 (second display unit) is arranged to the left of the outlet 4 and has a plurality of LEDs (not shown), and the concentration of fine particles such as PM2.5 in the air is a predetermined value (for example, 35 ⁇ g). / M 3 ), the character 40a “PM2.5” is displayed.
- the display unit 50 is arranged to the right of the air outlet 4 and has a plurality of LEDs (not shown). When the concentration of the odor component in the air exceeds a predetermined value, the display unit 50 displays a pattern P composed of a plurality of wavy lines W. indicate.
- FIG. 4 is a front view of the operation unit 6.
- the operation unit 6 has a plurality of buttons 6a to 6d, and performs an operation setting of the air cleaner 1 by a user's operation.
- the button 6a By operating the button 6a, the number of rotations of the blower 10 can be changed to change the amount of air sent from the outlets 4 and 5.
- the air blowing direction can be changed by rotating the wind direction plates 14 and 15 by operating the button 6b.
- the button 6c it is possible to switch between a humidified state in which humidification is performed by the humidifying unit 20, and a non-humidified state in which humidification by the humidifying unit 20 is stopped and air is blown.
- the amount of ions delivered forward can be increased with respect to the standard state.
- the wind direction plate 14 is rotated 60 ° upward from the position where the air outlet 4 is closed, and the damper 12 is rotated 85 ° in the opening direction from the position where the first branch passage 8a is closed (see FIG. 10).
- the airflow containing ions is guided to the first branch passage 8a and sent forward from the outlet 4.
- FIG. 5 shows a perspective view of the humidifying unit 20 as viewed from above.
- FIG. 6 shows a perspective view of the humidifying unit 20 with the water supply tank 21 removed.
- FIG. 7 shows a side sectional view of the humidifying unit 20.
- FIG. 8 shows a side sectional view of the humidifying unit 20 with the water supply tank 21 removed.
- the humidification unit 20 includes a water supply tank 21, a tray 22, a humidification filter 23, and a water level sensor 24.
- the tray 22 is detachably attached to the housing 2, and the water supply tank 21 and the humidifying filter 23 are detachably attached to the tray 22. Thereby, cleaning, maintenance, etc. of the humidification part 20 can be performed easily.
- the water supply tank 21 is composed of a cylindrical container, and is formed, for example, by blow molding of a synthetic resin material such as PET (polyethylene terephthalate) or PP (polypropylene).
- An opening (not shown) is formed at one end surface of the water supply tank 21, and the opening is closed by screwing a tank cap 21 a having a valve mechanism 29 (see FIG. 7) into the opening.
- the other end surface of the water supply tank 21 is provided with a gripping portion 21b for gripping when the water supply tank 21 is attached or detached.
- the tank cap 21 a of the water supply tank 21 taken out from the tray 22 can be removed to supply water to the water supply tank 21.
- the tray 22 has a substantially box shape with the upper surface opened, and is formed of a resin molded product.
- the tray 22 includes a filter housing portion 22a that houses the humidifying filter 23, and a tank housing portion 22b that is adjacent to the filter housing portion 22a and houses the water supply tank 21.
- a receiving portion 22e that faces the valve mechanism 29 of the tank cap 21a protrudes from the bottom surface of the tank housing portion 22b.
- a partition plate 22c is provided between the filter housing portion 22a and the tank housing portion 22b, and the filter housing portion 22a and the tank housing portion 22b communicate with each other through a communication port 22d formed in the partition plate 22c.
- the humidifying filter 23 has a filter body 23a such as a nonwoven fabric having air permeability and water absorption, and is formed in a disk shape.
- the filter body 23a is held by a cylindrical frame body 25 whose axial direction is horizontal.
- the frame body 25 supports the filter body 23a by radial rims 25b disposed on both end faces in the axial direction, and the filter body 23a is exposed between the rims 25b.
- the frame body 25 is formed with an arcuate shielding part 25c on a part of both end faces in the axial direction.
- a rack 25 a is formed on the peripheral surface of the frame 25, and the rack 25 a meshes with a pinion (not shown) provided in the housing 2.
- the pinion is rotated by a motor (not shown) provided in the housing 2. Thereby, the humidification filter 23 can be rotated in a vertical plane.
- the filter body 23a When the shielding portion 25c of the frame body 25 is disposed at the lower end and the humidification filter 23 is stopped from rotating, the filter body 23a is shielded from the water in the tray 22 by the shielding portion 25c. Thereby, the air cleaner 1 will be in a non-humidified state.
- the humidification filter 23 rotates intermittently.
- the filter body 23a is immersed in the water in the tray 22 by the rotation of the humidifying filter 23, and water penetrates the entire filter body 23a by capillary action. Thereby, the air cleaner 1 will be in a humidified state.
- the water level sensor 24 has a float 24a and a reed switch (not shown).
- the float 24a is pivotally supported on the guide member 26 by a support shaft 241a.
- the float 24a is formed by holding a foamed resin such as polystyrene foam by the frame body 242a, and can float on water. Further, a magnet is held on the frame body 242a.
- the reed switch is provided in the housing 2 at a position facing the magnet with the side wall surface of the tray 22 interposed therebetween.
- the reed switch is composed of a magnetic sensor, and performs switching by detecting the magnetism of the magnet of the float 24a.
- the bottom surface of the tray 22 abuts on the float 24a that has been lowered due to a drop in the water level, and regulates the lower limit position of the float 24a. Thereby, the bottom surface of the tray 22 constitutes a restricting portion that restricts the lower limit position of the float 24a.
- the plate-shaped guide member 26 is erected in a U shape so as to surround the receiving portion 22e on the bottom surface of the tank housing portion 22b, and the water from the water supply tank 21 is allowed to flow between the float 24a and the bottom surface of the tray 22. invite.
- the magnet faces the reed switch and the reed switch is turned on, for example.
- the float 24a rotates clockwise in FIG. 7 and contacts the bottom surface of the tray 22 as shown in FIG. At this time, the magnet is separated from the reed switch, and the reed switch is turned off, for example. Thereby, it is notified via the display part 30 etc. that water supply is required.
- the valve mechanism 29 is opened by the receiving portion 22e (see FIG. 6), and the water in the water supply tank 21 is supplied into the tray 22.
- the water in the water supply tank 21 is guided between the float 24 a and the bottom surface of the tray 22 by the guide member 26.
- the float 24a adheres to the bottom surface of the tray 22 due to the scale of the remaining water in the tray 22, due to the collision with the float 24a of the water that has flowed in vigorously from the water supply tank 21, the float 24a is directed to the bottom surface of the tray 22. Adhesion can be easily released. Therefore, the float 24a can be surely lifted, and erroneous detection of the water level sensor 24 can be prevented.
- FIG. 9 is a flowchart showing the operation of the air cleaner 1.
- the blower 10 is driven.
- the air in the living room is sucked from the suction port 3 and flows through the air passage 8.
- the filter unit 9 collects dust in the air and deodorizes the air.
- step # 1 the illuminance in the room is detected by the illuminance sensor 13.
- the lower limit I 0 can be set to, for example, the illuminance when the indoor lighting device (not shown) in the room is turned off at night. If the illuminance in the living room is lower than the lower limit I 0 , the process proceeds to step # 3. If not, the process proceeds to step # 7.
- step # 7 as shown in FIG. 2, air is sent forward and upward from the outlet 4 by the wind direction plate 14, and air is sent rearward and upward from the outlet 5 by the wind direction plate 15. Thereby, while drying of a user's skin can be prevented, the air in a living room can be purified.
- step # 3 it is determined whether or not humidification by the humidifying unit 20 is performed.
- the process proceeds to step # 6, where the humidifying filter 23 stops rotating and the air purifier 1 is in the non-humidified state. If yes, go to Step # 4.
- step # 4 it is determined whether or not the ion generator 11 is being driven. When the ion generator 11 is driven, the process proceeds to step # 6, and when not activated, the process proceeds to step # 5.
- step # 6 as shown in FIG. 10, the blower outlet 5 is closed by the wind direction plate 15, and the air is sent out from the blower outlet 4 in the substantially horizontal direction by the wind direction plate 14. That is, air is sent out to a user who is sleeping in a bed or the like at night.
- the damper 12 guides the airflow to the first branch passage 8a.
- humidified air humidity air
- air containing ions generated by the ion generator 11 can be directly applied to a user sleeping in a bed or the like at night. Therefore, the user's skin can be sufficiently moisturized, and the user's skin can be reliably prevented from drying.
- step # 5 the air outlet 4 is closed by the wind direction plate 14, and the air is sent out from the air outlet 5 to the rear upper side by the air direction plate 15. That is, air is sent out avoiding a user who is sleeping in a bed or the like at night.
- This prevents air that is not humidified and does not contain ions generated by the ion generator 11 from being applied directly to a sleeping user in a bed or the like at night, and reliably prevents the user's skin from drying. be able to. Therefore, it is possible to clean the air in the living room and to prevent the user's uncomfortable feeling while sleeping and promote a good sleep.
- step # 5 to step # 7 return to step # 1 and repeat step # 1 to step # 7.
- Table 1 shows the blower level of the blower 10 based on the degree of dirt, the odor rank, and the PM2.5 concentration rank.
- the degree of contamination is classified into five levels of 0 to 4 according to the concentration of dust in the air detected by the dust sensor.
- the odor rank is classified into four levels of 0 to 3 according to the concentration of odor components in the air detected by the odor sensor.
- the PM2.5 concentration rank is classified into three levels a to c according to the concentration of PM2.5 in the air extracted from the detection result of the dust sensor. As the concentration of dust, odor components and PM2.5 in the air increases, the degree of contamination is in the order of 0 to 4, the odor rank is in the order of 0 to 3, and the PM2.5 concentration rank is in the order of a to c. Get higher.
- the blower 10 is variable to a plurality of blowing levels of “fine”, “weak”, “medium”, “strong”, and “maximum” based on the degree of dirt and the odor rank.
- the rotation speed of the blower 10 increases in the order of “Fine”, “Weak”, “Medium”, “Strong” and “Maximum”.
- the blower 10 is driven at a higher blowing speed than when it is low when the dirt level and odor rank are high.
- step # 5 to step # 7 in FIG. 9 for example, when the degree of dirt and the odor rank are “1”, the blower 10 is driven at the air blowing level of “medium”, and when the degree of dirt and the odor rank are “2”.
- the blower 10 is driven at a “strong” blow level.
- the concentration of PM2.5 is extracted from the detection result of the dust sensor, and in step # 5 to step # 7 in FIG. 9, for example, the odor rank is “0” with respect to the degree of contamination “0” and the PM2.5 concentration rank.
- the blower 10 is driven at a “fine” ventilation level.
- the blower 10 has a “low” or “medium” blow level, respectively. It is driven by. That is, the rotational speed of the blower 10 is increased by raising the air blowing level further than when the PM2.5 concentration is high with respect to a predetermined degree of soiling than when it is low. Thereby, PM2.5 can be rapidly removed from the air.
- FIG. 12 shows an image diagram of the lighting pattern of the display unit 30 according to the degree of contamination.
- the solid oval indicates the lighting state of the central light emitting unit 31 and the both side light emitting units 32
- the broken oval indicates the extinguishing state of the central light emitting unit 31 and the both side light emitting units 32.
- the degree of contamination is “0”
- green light is emitted from the central light emitting unit 31 and green light is emitted from the monochromatic LEDs 32G on both sides.
- the first ranks I to III ranked according to the dust concentration are displayed by the central light emitting unit 31, and the degree of dirt (second rank) obtained by further subdividing the first ranks I to III is displayed on the both side light emitting units 32. Is displayed in a symmetrical pattern with respect to the central light emitting unit 31.
- the display part 30 changes a display state according to the density
- the outline of the dirt state of the air due to dust can be displayed by the central light emitting unit 31 whose lighting position does not change, and the details of the dirt state of the air due to dust can be displayed by the both side light emitting units 32.
- the user can easily recognize the air contamination status due to dust.
- the single color LED 32a of the both side light emission part 32 lights so that it may become a symmetrical pattern with respect to the center light emission part 31, the beauty
- the distance D1 between the central light emitting unit 31 and the single color LED 32R adjacent to the central light emitting unit 31 is longer than the distance D2 between the adjacent single color LEDs 32R and 32T and between the adjacent single color LEDs 32T and 32G.
- the two-side light emitting unit 32 sequentially emits the single color LEDs 32a located closer to the central light emitting unit 31 in accordance with the increase of the second rank. Thereby, a user's misidentification about the dirt state of air can be prevented more easily.
- the central light emitting unit 31 and the single color LEDs 32R, 32T, and 32G may blink or blink. Thereby, a user can be alerted easily.
- step # 5 to step # 7 in FIG. 9 when the concentration of PM2.5 in the air exceeds a predetermined value (for example, 35 ⁇ g / m 3 ), the display unit 40 displays “PM2.5” as shown in FIG. "Is displayed. Thereby, the user can easily recognize that PM2.5 having a concentration affecting health is contained in the air in the room.
- a predetermined value for example, 35 ⁇ g / m 3
- the display unit 40 includes a two-color LED having a red LED element and a green LED element, and when the concentration of PM2.5 is, for example, 35 ⁇ g / m 3 or more and less than 70 ⁇ g / m 3 , the character 40a is displayed in orange. For example, in the case of 70 ⁇ g / m 3 or more, the characters 40a may be displayed in red. As a result, the user can more easily recognize the presence of high concentration PM2.5.
- step # 5 to step # 7 in FIG. 9 when the concentration of the odor component in the air exceeds a predetermined value, the display unit 50 displays a pattern P composed of a plurality of wavy lines W. Thereby, the user can recognize easily the dirt of the air by an odor component.
- the blower 10 is changed to a plurality of air blowing levels having different rotational speeds based on a plurality of dirt levels ranked according to the concentration of dust in the air, and is rotated more than when the dirt level is high. Set to a higher airflow level.
- the concentration of PM2.5 (microparticles) having a particle size smaller than the predetermined particle size contained in the dust in the air is extracted from the detection result of the dust sensor, and the concentration of PM2.5 with respect to the predetermined contamination level.
- the air pressure is high, the air blowing level is further increased than when the air pressure is low, and the rotational speed of the blower 10 is increased.
- the air volume of the blower 10 increases as the concentration of PM2.5 increases. Therefore, PM2.5 in the air can be sufficiently removed while reliably collecting dust having a particle size larger than that of PM2.5.
- a user's health hazard can be easily prevented.
- the concentration of fine particles is extracted from the detection result of the dust sensor, it is possible to distinguish between PM2.5 and dust having a larger particle diameter than PM2.5. Thereby, the manufacturing cost of the air cleaner 1 can be reduced.
- the air blowing level is varied based on a plurality of odor ranks and the degree of contamination that are ranked according to the concentration of the odor component, and the blast level is set at a higher rotation speed than when it is low when the odor rank is high. Thereby, dust and odor components in the air can be quickly removed.
- the display unit 30 (first display unit) is formed to extend in the left-right direction, has a central light emitting unit 31 and both side light emitting units 32, and changes the display state according to the concentration of dust in the air. Thereby, the user can grasp
- the first ranks I to III ranked according to the dust concentration are displayed by the central light emitting unit 31, and the dirt level (second rank) obtained by further subdividing the first ranks I to III is displayed on the both side light emitting units 32. Is displayed in a symmetrical pattern with respect to the central light emitting unit 31. As a result, it is possible to display the outline of the dirt situation of the air due to dust by the central light emitting unit 31 where the lighting position does not change, and to display the details of the dirt situation of the air due to dust by the both side light emitting parts 32. Therefore, the user can easily recognize the situation of air contamination by dust.
- the single color LED 32a of the both side light emission part 32 lights so that it may become a symmetrical pattern with respect to the center light emission part 31, the beauty
- the distance D1 between the central light emitting unit 31 and the single color LED 32R is longer than the distance D2 between the adjacent single color LEDs 32R and 32T and between the adjacent single color LEDs 32G and 32T.
- the two-side light emitting unit 32 sequentially emits the single color LEDs 32a located closer to the central light emitting unit 31 in accordance with the increase of the second rank. Thereby, a user's misidentification about the dirt state of air can be prevented more easily.
- the both-side light emission part 32 may light-emit the monochromatic LED 32a of the position close
- a display unit 40 (second display unit) is provided to indicate that the concentration of PM2.5 in the air exceeds a predetermined value. Thereby, the user can easily recognize that PM2.5 having a concentration affecting health is contained in the air in the room.
- the air blowing direction in the humidified state is set to the front and the air blowing direction in the non-humidified state is set to the upper side. Accordingly, humidified air (humidified air) can be directly applied to a user who is sleeping on a bed or the like at night, and non-humidified air is blown out while avoiding the user. Therefore, drying of the user's skin can be reliably prevented.
- non-humidified air may be sent downward from the air outlet 4. That is, when the illuminance in the living room is lower than the predetermined lower limit I 0 , the blowing direction of the non-humidified air may be set to a direction other than the front. Thereby, the air in a non-humidified state is blown out avoiding the user who is sleeping in a bed etc., and drying of a user's skin can be prevented reliably.
- the blowing direction of the air forward.
- the air current containing ions directly hits a user sleeping in a bed or the like at night. Therefore, the user's skin can be sufficiently moisturized, and the user's skin can be reliably prevented from drying.
- the wind direction plates 14 and 15 open the outlets 4 and 5, respectively, so that the humidified air is spread to every corner of the room in the humidified state. be able to.
- the illuminance of the room is lower than the lower limit value I 0 forward substantially sent to the horizontal direction and illuminance in the room is higher than the lower limit value I 0 forward Send out upward. Thereby, drying of a user's skin can be prevented more reliably.
- a guide member that guides water from the water supply tank 21 between the bottom surface (regulator) of the tray 22 that abuts the lowered float 24 a and regulates the lower limit position of the float 24 a and the float 24 a and the bottom surface of the tray 22. 26.
- FIG. 13 shows a side sectional view of the air cleaner of the present embodiment.
- the air outlet plate 4, the wind direction plate 14, the first branch passage 8a and the damper 12 are omitted, and the arrangement of the wind direction plate 15 is different from that of the first embodiment.
- the configuration of the display unit 30 is different from that of the first embodiment.
- Other parts are the same as those in the first embodiment.
- the wind direction plate 15 has a curved cross-sectional shape and is supported by a rotation shaft portion 15 a provided at the rear portion of the wind direction plate 15 so as to be rotatable in the vertical direction.
- air is sent forward from the blower outlet 5 by the wind direction plate 15 indicated by a solid line.
- step # 5 and step # 7 in FIG. 9 the wind direction plate 15 is rotated to the position indicated by the alternate long and short dash line 15 ′, and air is sent upward from the blowout port 5. Thereby, the air of a non-humidified state is blown off avoiding a user. Therefore, drying of the user's skin can be reliably prevented.
- FIG. 14 shows an image diagram of the lighting pattern of the central light emitting unit 31 and the both side light emitting units 32 and 33 of the display unit 30 of the air cleaner 1 of the present embodiment.
- the solid oval indicates the lighting state of the central light emitting unit 31 and the both side light emitting units 32 and 33
- the broken oval indicates the unlit state of the central light emitting unit 31 and the both side light emitting units 32 and 33.
- the display unit 30 has both side light emitting units 33 on the opposite side of the central light emitting unit 31 with respect to the both side light emitting units 32.
- the both-side light emitting unit 33 includes single-color LEDs 33R, 33T, and 33G that emit red light, orange light, and green light, respectively.
- the single color LEDs 33R, 33T, and 33G are arranged in the same manner as the single color LEDs 32R, 32T, and 32G.
- the distance D3 between the single color LED 32G and the single color LED 33R is set to a length equal to or longer than the distance D2.
- the single color LEDs 33R, 33T, and 33G may be collectively referred to as “single color LED 33a”.
- the central light emitting unit 31 and the both side light emitting units 32 are lit in the same manner as in the first embodiment.
- the both-side light emitting unit 33 when the degree of contamination is “0” or “1”, only the single color LED 33G is lit, and when the degree of contamination is “2” or “3”, only the single color LED 33T is lit. When "4", only the single color LED 33R is lit.
- the both-side light emitting unit 33 causes the monochromatic LED 33a located closer to the central light emitting unit 31 to emit light according to the increase in the second rank.
- the distance D3 is set to a length equal to or longer than the distance D2, it is possible to prevent color mixture of the emitted light from the light emitting units 32 and 33 on both sides.
- the same effect as in the first embodiment can be obtained. Moreover, since the wind direction plate 14 and the damper 12 are omitted, the number of parts can be reduced as compared with the air cleaner 1 of the first embodiment, and the manufacturing cost of the air cleaner 1 can be reduced.
- the display unit 30 has a double-sided light emitting unit 33 on the opposite side of the central light emitting unit 31 with respect to the double-sided light emitting unit 32, and the lighting state of the central light emitting unit 31 and the double-sided light emitting units 32 and 33 can be changed according to the degree of contamination To do. As a result, it is possible to further prevent the user from misidentifying the air contamination status.
- the both-side light emitting unit 33 may cause the monochromatic LED 33a located near the central light emitting unit 31 to emit light according to the decrease in the second rank.
- FIG. 15 is a side sectional view of the vicinity of the float of the humidifying part of the air cleaner according to the present embodiment.
- ribs 27 are provided on the bottom surface of the tray 22 and speakers (not shown) are provided on the side surfaces of the housing 2.
- Other parts are the same as those in the first embodiment.
- a rib 27 is formed on the bottom surface of the tray 22 so as to protrude upward.
- the rib 27 abuts on the lowered float 24a indicated by the alternate long and short dash line 24a 'and regulates the lower limit position of the float 24a.
- the float 24 a makes line contact with the rib 27.
- the guide member 26 guides water from the water supply tank 21 between the float 24 a and the rib 27.
- a sound such as “PM2.5 concentration is high” is output from the speaker. To do. Accordingly, the user can more easily recognize that PM2.5 having a concentration that affects health is contained in the air in the room. Note that when the concentration of PM2.5 in the air exceeds a predetermined value, a buzzer sound may be output from the speaker instead of the above sound.
- the concentration of PM2.5 in the air exceeds a predetermined value, the user is notified by the speaker provided in the housing 2, so that the user has a concentration of PM2.5 that affects health in the air in the room. It can be recognized more easily.
- the present invention can be used in an air cleaner equipped with a dust sensor.
Abstract
Description
前記塵埃センサの検知結果から空気中の塵埃に含まれた所定粒径よりも小さい微小粒子の濃度を抽出し、所定の前記汚れ度に対して前記微小粒子の濃度が高い時に低い時よりも更に前記送風レベルを上げて前記送風機の回転数を高くしたことを特徴としている。
以下に本発明の実施形態を図面を参照して説明する。図1及び図2はそれぞれ第1実施形態の空気清浄機の斜視図及び側面断面図を示している。なお、図2において矢印Sは空気の流れを示している。空気清浄機1は吸込口3及び吹出口4、5を開口して居室内の床面等に設置される筐体2を有する。吸込口3は筐体2の背面に開口し、吹出口4、5はそれぞれ筐体2の前面上部及び上面後部に開口する。なお、吹出口4の高さは、居室内のベッド(不図示)の寝床面と略同じ高さになっている。
H+(H2O)m+H+(H2O)m’+O2 -(H2O)n+O2 -(H2O)n’
→ 2・OH+O2+(m+m'+n+n')H2O ・・・(2)
H+(H2O)m+H+(H2O)m’+O2 -(H2O)n+O2 -(H2O)n’
→ H2O2+O2+(m+m'+n+n')H2O ・・・(3)
次に、本発明の第2実施形態について説明する。図13は本実施形態の空気清浄機の側面断面図を示している。説明の便宜上、前述の図1~図12に示した第1実施形態と同様の部分には同一の符号を付している。本実施形態では、吹出口4、風向板14、第1分岐通路8a及びダンパ12を省き風向板15の配置が第1実施形態とは異なっている。また、本実施形態では表示部30の構成が第1実施形態とは異なっている。その他の部分は第1実施形態と同様である。
次に、本発明の第3実施形態について説明する。図15は本実施形態の空気清浄機の加湿部のフロート周辺の側面断面図を示している。説明の便宜上、前述の図1~図12に示した第1実施形態と同様の部分には同一の符号を付している。本実施形態ではトレイ22の底面にリブ27(規制部)を設けた点及び筐体2の側面にスピーカ(不図示)を設けた点で第1実施形態とは異なっている。その他の部分は第1実施形態と同様である。
2 筐体
3 吸込口
4、5 吹出口
6 操作部
8 送風通路
8a 第1分岐通路
8b 第2分岐通路
9 フィルタユニット
10 送風機
11 イオン発生装置
12 ダンパ
13 照度センサ
14、15 風向板
20 加湿部
21 給水タンク
21a タンクキャップ
21b 把持部
22 トレイ
22a フィルタ収容部
22b タンク収容部
23 加湿フィルタ
24 水位センサ
24a フロート
26 案内部材
27 リブ(規制部)
30 表示部(第1表示部)
31 中央発光部
32、33 両側発光部
32R、32T、32G、33R、33T、33G 単色LED
35 ランプカバー
40 表示部(第2表示部)
50 表示部
Claims (5)
- 空気を吸い込む吸込口と空気を吹き出す吹出口とを連結する送風通路と、前記送風通路内に配された送風機と、前記送風通路に設けられて空気中の塵埃を捕集するフィルタと、空気中の塵埃の濃度を検知する塵埃センサとを備え、塵埃の濃度に応じてランク分けした複数の汚れ度に基づいて前記送風機を回転数の異なる複数の送風レベルに可変し、前記汚れ度の高い時に低い時よりも回転数の高い前記送風レベルに設定する空気清浄機において、
前記塵埃センサの検知結果から空気中の塵埃に含まれた所定粒径よりも小さい微小粒子の濃度を抽出し、所定の前記汚れ度に対して前記微小粒子の濃度が高い時に低い時よりも更に前記送風レベルを上げて前記送風機の回転数を高くしたことを特徴とする空気清浄機。 - 空気中の臭気成分の濃度を検知する臭いセンサを備え、
臭気成分の濃度に応じてランク分けした複数の臭気ランク及び前記汚れ度に基づいて前記送風レベルを可変し、前記臭気ランクの高い時に低い時よりも回転数の高い前記送風レベルに設定することを特徴とする請求項1に記載の空気清浄機。 - 空気中の塵埃の濃度に応じて表示状態を変更する第1表示部を備え、
第1表示部は一方向に延びて形成され、中央部に配されて2色LEDから成る中央発光部と前記中央発光部の両側に配されて複数の異なる色の単色LEDから成る両側発光部とを有し、
前記中央発光部と前記中央発光部に隣接する前記単色LEDとの間の距離は、隣接する前記単色LED間の距離よりも長く、
塵埃の濃度に応じてランク分けした第1ランクを前記中央発光部により表示するとともに、第1ランクをさらに細分化した第2ランクを前記両側発光部により前記中央発光部に対して対称なパターンで表示することを特徴とする請求項1または請求項2に記載の空気清浄機。 - 前記両側発光部は第2ランクの増加または減少に従って前記中央発光部に対して近い位置の前記単色LEDを順に発光させることを特徴とする請求項3に記載の空気清浄機。
- 空気中の前記微小粒子の濃度が所定値を超えていることを示す第2表示部を設けたことを特徴とする請求項3または請求項4に記載の空気清浄機。
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JP2017209678A (ja) | 2017-11-30 |
JP6340123B2 (ja) | 2018-06-06 |
JP2017227434A (ja) | 2017-12-28 |
JP2018141622A (ja) | 2018-09-13 |
JPWO2016031304A1 (ja) | 2017-04-27 |
MY190730A (en) | 2022-05-12 |
CN107366981A (zh) | 2017-11-21 |
JP6212222B2 (ja) | 2017-10-11 |
JP2017223437A (ja) | 2017-12-21 |
CN105980031A (zh) | 2016-09-28 |
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