WO2012144347A1 - Purificateur d'air - Google Patents

Purificateur d'air Download PDF

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Publication number
WO2012144347A1
WO2012144347A1 PCT/JP2012/059484 JP2012059484W WO2012144347A1 WO 2012144347 A1 WO2012144347 A1 WO 2012144347A1 JP 2012059484 W JP2012059484 W JP 2012059484W WO 2012144347 A1 WO2012144347 A1 WO 2012144347A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
heater
heating unit
deodorizing
heating
Prior art date
Application number
PCT/JP2012/059484
Other languages
English (en)
Japanese (ja)
Inventor
好孝 明里
洋介 久下
柳内　敏行
佐藤　明久
Original Assignee
三菱電機株式会社
三菱電機ホーム機器株式会社
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, 三菱電機ホーム機器株式会社 filed Critical 三菱電機株式会社
Priority to JP2013510947A priority Critical patent/JPWO2012144347A1/ja
Priority to TW101113427A priority patent/TWI498149B/zh
Publication of WO2012144347A1 publication Critical patent/WO2012144347A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
    • 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
    • F24F8/50—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings

Definitions

  • the present invention relates to an air cleaner that removes odorous components in the air by passing indoor air sucked into the main body by a blower through a deodorizing unit and deodorizes the indoor air.
  • a main body case Conventionally, a main body case, an air inlet port formed on the front surface of the main body case, an air outlet port formed on the rear surface of the upper surface of the main body case, and provided in the main body case for sucking air from the air inlet port.
  • a fan for blowing out to the air outlet, a fan motor for driving the fan, and a dust collecting filter provided on the upstream side of the fan for collecting dust in the sucked air;
  • An air cleaner having a deodorizing part formed by adhering a catalyst to the surface of an adsorbent for adsorbing odorous components and a heating part for heating to recover the deodorizing function of the deodorizing part in the vicinity of the outlet. is there.
  • Such an air purifier takes in indoor air from the air suction port into the main body case by driving a fan, removes dust with a dust collecting filter, and then odors in the indoor air flowing down to the deodorizing part.
  • the room air is deodorized by adsorbing the components to the adsorbent of the deodorizing part.
  • the odor component is removed because the adsorption material of the deodorizing part which adsorb
  • the deodorizing function of the adsorbent can be recovered (for example, Patent Document 1).
  • Patent Document 1 uses a heater that is a heating unit in a state of being incorporated in the deodorization unit, an excessive temperature rise occurs in the heater or the deodorization unit for some reason, It may lead to dangerous situations. Furthermore, if dust accumulates in the deodorizing part, there is a risk of scorching dust with the heat of the heater.
  • the present invention has been made to solve the above-described problems, can efficiently reduce the odor of indoor air, and can restore the function of an adsorbent that adsorbs odor efficiently.
  • An object of the present invention is to provide an air purifier capable of using the heater safely.
  • a main body case having a suction port and an air outlet that open the air cleaner toward the outside and having an air passage that communicates the air inlet and the air outlet;
  • Built-in ventilation means for introducing room air into the ventilation path from the inlet to the outlet, a circular deodorizing element that is provided in the ventilation path and allows the introduced air to pass through, and locally heating the deodorizing element
  • a heating unit a position changing unit that changes a relative positional relationship between the heating unit and the deodorizing element by rotating the deodorizing element, a blower unit, a control unit that controls energization of the heating unit and the position changing unit,
  • the deodorizing element is heated by the heating unit, and the deodorizing function is restored by the heating unit.
  • the heating unit includes a fan-shaped heating plate and a heating plate. And heat heater configured to have a heater case configured to surround the heater with heating plate.
  • an air purifier that can take in more room air, efficiently reduce the odor of room air, and can safely use a heater.
  • FIG. 1 Front view of the air cleaner A according to the embodiment, (b) Top view of the air cleaner A, (c) Side view of the air cleaner A (A) Front view, (b) Top view, (c) Side view showing a state in which the front panel, prefilter, and HEPA filter of the air purifier A shown in FIG. 1 is an exploded perspective view of the air cleaner A shown in FIG. YY longitudinal sectional view of the air purifier A shown in FIG. (A) The perspective view seen from the front of the air cleaner A shown in FIG. 1, (b) The perspective view seen from the back of the air cleaner A shown in FIG. The perspective view which shows the state from which the front panel of the air cleaner A shown to Fig.5 (a), the pre filter, and the HEPA filter removed.
  • FIG. 1 The perspective view which looked at the deodorizing part of the air cleaner A which concerns on embodiment from the front
  • FIG. The perspective view which looked at the deodorizing part from back 7 is an exploded perspective view of the deodorization unit shown in FIG.
  • the air purifier A includes a main body case C forming an outer shell and various functional parts such as a deodorizing unit 60 provided in the main body case C.
  • the main body case C has a box shape made of resin, and includes a plurality of parts such as the front panel 10, the front case 20, and the rear case 40.
  • the front case 20 has a rectangular shape in front view and a frame-like frame 21 having a predetermined depth width as a base.
  • a rectangular front opening 22 is formed on the front surface of the frame 21, and the rear opening is covered with a partition plate 23.
  • the partition plate 23 is formed with a circular rear opening 24 that opens rearward. That is, the front case 20 is in a state where the front opening 22 and the rear opening 24 communicate with each other.
  • the rear opening 24 of the partition plate 23 forms a bell mouth around a fan opening 44d of a blower fan 44 described later.
  • the lower side of the frame 21 of the front case 20 protrudes forward from the left and right sides to form a lower protruding portion 25.
  • the upper side of the frame 21 protrudes forward from the two left and right sides to form an upper protruding portion 28.
  • On the front side of the upper side of the upper side a plurality of operation buttons, LEDs for forming a display unit, and the like An operation unit 26 is provided.
  • an operation board (not shown) on which these operation buttons and LEDs are mounted is provided inside the upper side of the upper side of the frame 21.
  • the operation board is electrically connected to a control unit 47 described later.
  • the front panel 10 has a rectangular shape when viewed from the front and can cover the front opening 22 of the front case 20 from the front. Further, by forming a slit extending in the left-right direction on the front surface of the front panel 10, an air suction port 11 (hereinafter referred to as a suction port 11) communicating with the front panel 10 in the front-rear direction is formed. That is, the front panel 10 has air permeability so that air can flow through in the front-rear direction.
  • the rear case 40 has a rectangular shape in a front view, a front opening 41 is opened on the front surface, an opening serving as an air outlet 42 (hereinafter referred to as an outlet 42) is formed on the upper surface, and the rear surface 43 is closed. It has a box shape.
  • the rear surface 43 has a scroll shape that forms a blower fan 44 that is a blowing means for taking room air into the air purifier and an air passage that guides the air flowing down from the blower fan 44 to the air outlet 42. Partition 45 is provided.
  • a control unit 47 that controls each part of the air cleaner A based on a predetermined program is provided. Furthermore, a louver 46 that changes the air direction of air blown out from the air outlet 42 into the room or closes the air outlet 42 is provided in the vicinity of the air outlet 42 in the upper part inside the rear case 40. Yes. Note that a lattice is attached to the opening of the air outlet 42 so that the louver 46 cannot be directly touched.
  • the blower fan 44 uses a multi-blade fan (sirocco fan) using multi-blade wings to which a large number of wings having a predetermined width are attached in the rotational direction. That is, the blower fan 44 has a large number of wings 44a at a predetermined radius from the rotation axis.
  • the blower fan 44 is attached to the rear surface 43 of the rear case 40 such that a motor 44b that rotates the wings 44a rotates in a horizontal direction with the rotation shaft 44c facing forward.
  • the fan opening 44d surrounded by the wings 44a opens forward.
  • the blower fan 44 sucks air from the fan opening 44d facing the front in the axial direction of the rotating shaft 44c and includes the upper part of the blower fan 44. Exhale air radially.
  • the partition plate 45 is erected substantially vertically from the rear surface 43 of the rear case 40 so as to surround the blower fan 44, with one end of the right end 42 a of the air outlet 42 and the other end of the air outlet 42. It is connected to the left end 42b. That is, the partition plate 45 is disposed in the rear case 40 so as to surround the blower fan 44 and to have a bag shape so that the end portion is connected to the outlet 42.
  • the louver 46 includes a plurality of plate-like wind direction plates 46a, a link mechanism 46c that connects the plurality of wind direction plates 46a to move the wind direction plate 46a to a predetermined angle, and a drive unit such as a motor that moves the link mechanism 46c ( (Not shown).
  • the louver 46 includes a plurality of plate-like wind direction plates 46a arranged in parallel so as to be parallel to each other at a predetermined interval from the opening of the air outlet 42.
  • a shaft 46d formed at both ends of the wind direction plate 46a is pivotally supported by the air outlet 42.
  • the drive unit that moves the link mechanism 46c is connected to a control unit 47, which will be described later, and is driven by a predetermined program in accordance with the state of the air purifier A. Is changed.
  • the deodorizing unit 60 is a part that removes odor from the inside of the air by passing the indoor air taken into the air purifier A, and a base on which various parts are provided.
  • Driving means 64 serving as position changing means.
  • the frame body 61 is a frame-like frame having a rectangular shape in front view and a predetermined depth width.
  • the outer shape of the frame 61 is a size that can be fitted into the front opening 22 of the front case 20.
  • an inner partition plate 65 is provided inside the frame body 61 so as to block the opening of the frame body 61 (so as to partition the opening forward and backward).
  • a circular opening 65 a that communicates with the front and rear of the frame body 61 is formed in the middle partition plate 65.
  • a central support 65b is located at the center of the opening 65a, and a plurality of beam portions 65c that are radially connected to the opening edge of the opening 65a are formed from the central support 65b. Further, the central support 65b is provided with a shaft 65j protruding rearward.
  • a frame 65h through which air can flow into the opening 65a is provided on the front side of the opening 65a. The frame 65h is for preventing the user from directly touching the deodorizing element 62 described later.
  • a ring-shaped guide portion 65e is formed on the back surface (rear surface) of the middle partition plate 65 so as to stand rearward so as to surround the opening 65a.
  • a receiving portion 65f that receives the deodorizing element 62 when a deodorizing element 62 described later is attached to the guide portion 65e is provided at the edge of the guide portion 65e so as to protrude inward of the opening 65a.
  • the guide part 65e is located outside the circular opening edge of the circular opening 65a. That is, a gap r is formed between the edge of the opening 65a and the guide portion 65e.
  • the diameter of the ring formed by the guide portion 65e is large enough to hold the deodorizing element 62 provided with each portion described later.
  • a sector-shaped region formed by a predetermined opening angle that extends equally to the left and right around the central support 65b is a region below the central support 65b of the opening 65a of the partition plate 65. It is covered with a lid 65d.
  • the lid body 65d is made of stainless steel, and is fixed to the beam portion 65c with screws or the like from the rear surface side (back surface side) of the intermediate partition plate 65.
  • the lid 65d is disposed so as to face a heating unit 63, which will be described later, and is large enough to cover the heater unit 63a in a state facing the heater unit 63a of the heating unit 63. . That is, the heating unit 63 and the lid 65d face each other to form a heating space for the deodorizing element 62 described later.
  • the lid 65d is provided with a black heat-resistant coating for improving the thermal emissivity.
  • the deodorizing element 62 has a disk-like planar shape, is formed of ceramic or aluminum, and a honeycomb core formed with a plurality of openings such as a honeycomb opening is coated or impregnated with a catalyst with a binder. Is.
  • this catalyst uses the catalyst which has the property to adsorb
  • An opening 62c is formed at the center of the deodorizing element 62, and an element frame 62a formed of stainless steel for holding the deodorizing element 62 is provided on the front surface.
  • the deodorizing element 62 is formed of a honeycomb core, and a predetermined opening is formed in the element frame 62a provided on the front surface, so that the inside of the deodorizing element 62 penetrates in the front-rear direction. Air can flow.
  • a gear portion 62 b is provided on the periphery of the deodorizing element 62 so as to surround the deodorizing element 62.
  • the diameter of the deodorizing element 62 including the gear portion 62 b is configured to be larger than the diameter of the circular opening 65 a formed in the intermediate partition plate 65.
  • the heating unit 63 includes a heater unit 63a which is a heating means for heating the deodorizing element 62, and a heater case 63b having a predetermined internal space in which the heater unit 63a is housed. (Hereinafter referred to as case 63b).
  • the heater unit 63a includes a plate-like heating unit 63f made of metal, a heater 63g that heats the heating unit 63f, a thermistor 63m that detects temperature, and a thermostat 63n that operates at a predetermined temperature.
  • the planar shape of the heating part 63f has a fan shape, and a black heat-resistant coating is applied to the surface in order to improve the emissivity of heat received from the heater 63g.
  • the heater 63g is provided in contact with the back surface of the heating unit 63f, is electrically connected to the control unit 47, and is energized and controlled according to the state of the air purifier A.
  • a PTC heater or a sheathed heater which is a semiconductor ceramic mainly composed of barium titanate is used.
  • PTC heaters are self-temperature controllable and do not require external temperature control, so they do not perform intermittent control unlike temperature control using a thermostat, causing sparks and noise. Without using it, it can be used stably.
  • the heater 63g has an opening angle ⁇ side (stenosis) of the fan-shaped heating plate 63f. One on the outer side) and two on the outer peripheral side 63j (expanded side). In this way, by arranging a large number of heaters 63g in a wide area outside the narrow area on the opening angle side, the entire plate-shaped heating unit 63f can be easily heated. Further, since the sheathed heater is excellent in insulation, it can be used in the vicinity of the heating part 63f made of metal. In particular, when the heating unit 63f in which the sheathed heater 63k is cast is used, the heating unit 63f can be more efficiently heated (see FIG. 18A).
  • the thermistor 63m is provided on the same surface as the heater 63g of the heating unit 63f and is connected to the control unit 47 so that the temperature of the heating unit 63f can be directly detected, and the detected temperature of the detected heating unit 63f is detected. Is sent to the control unit 47.
  • the control unit 47 controls energization of the heater based on this signal, and always manages the temperature of the heating unit 63f.
  • the thermostat 63n is provided on the same surface as the heater 63g of the heating unit 63f, and is configured to cut off the energization to the heater 63g when a predetermined temperature is reached.
  • the heating unit 63f is managed at an appropriate temperature by controlling the power supply to the heater 63g based on the temperature detected by the thermistor 63m by the control unit.
  • the thermostat 63n operates to prevent the heating unit 63 from reaching a high temperature state.
  • the case 63b is formed with a recess 63c that holds the heater unit 63a therein, and a flange 63d that extends from the opening periphery of the recess 63c.
  • the concave portion 63c has a fan shape substantially coincident with the planar shape of the heating portion 63f constituting the heater unit 63a, and the heater unit 63a is in a state where the surface of the heating portion 63f faces the opening of the concave portion 63c. Is provided.
  • the heater 63g, the thermistor 63m, and the thermostat 63n are located in the space K surrounded by the case 63b and the heating unit 63f.
  • the heater 63g serving as a heating source is arranged separately from the outside of the heating unit 63, so that the influence on the parts other than the heating part 63f is reduced, and the heating part 63f is heated more safely and efficiently. Can do.
  • the flange portion 63d is formed with a screw hole 63e for allowing the screw to pass therethrough when the heating unit 63 is attached to a predetermined position.
  • an opening 63p for leading the wiring of the heater 63g, the thermostat n, and the thermistor 63m to the outside of the case 63b is formed at the bottom of the recess 63c.
  • a cover 63q that covers the opening 63p is provided outside the case 63b with a gap D that allows the wiring to pass therethrough (in FIG. 9B, wiring of the components is omitted).
  • a soft member is provided at the edge of the opening 63p so as not to damage the wiring through the opening 63p.
  • the cover 63q is for making the gap between the opening 63p through which the wiring visible from the outside of the heating unit 63 passes and the opening edge as small as possible. This makes it difficult for the heat inside the heating unit 63 to escape to the outside.
  • a temperature fuse 63i is attached to the case 63b. The thermal fuse 63i is blown by an excessive temperature rise, thereby cutting off energization to the heater unit 63a to prevent an excessive temperature rise or the like.
  • the heating unit 63 configured as described above is configured in a fan shape in accordance with the shape of the heat generating portion of the heater unit 63a, and the opening of the recess 63c is also configured in a fan shape.
  • the uter unit 63a configured as described above receives heat generated by the heater 63g by the plate-like heating unit 63f and radiates heat from the entire plate surface, thereby heating the opposing deodorizing element 62.
  • each part of the heater unit 63a removes the odor adsorbed to the deodorizing element 62 from a portion of the deodorizing element 62 disposed with a predetermined gap from the heating unit 63f when the heater 63g is energized for a predetermined time. It is configured to have a heating capacity that can be raised to a given possible temperature.
  • the driving means 64 moves the deodorizing element 62 to change the relative positional relationship between the heating unit 63 and the opposite portion of the deodorizing element, that is, the deodorizing element 62 facing the heating unit 63.
  • This is a position changing means for changing the part.
  • the driving means 64 includes a motor 64a and a bracket 64b that holds the motor 64a.
  • a gear is attached to the rotation shaft of the motor 64a.
  • the motor 64a is electrically connected to the control unit 47 and is energized and controlled according to the state of the air cleaner A.
  • the deodorizing element 62, the heating unit 63, and the driving means 64 described above constitute the deodorizing unit 60 by being attached to the frame body 61 as follows.
  • FIG. 7 shows a state in which the frame 65h is removed in order to display each part in an easy-to-understand manner.
  • the opening 62c of the deodorizing element 62 is rotatably fitted into a shaft 65j provided on the center support body 65b.
  • the deodorizing element 62 is in the state where the deodorizing element 62 faces the opening 65a (facing the face) inside the guide portion 65e formed on the back surface (rear surface) of the frame body 61. And can be rotated freely.
  • a receiving portion 65f is formed on the edge of the guide portion 65e so as to protrude inward of the opening 65a.
  • the receiving portion 65f is a receiving portion that receives the deodorizing element 62, and holds the deodorizing element 62 on the guide portion 65e from the rear (back surface) to such an extent that the movement of the deodorizing element 62 in the rotational direction is not significantly hindered.
  • the deodorizing element 62 is attached to the frame body 61, so that the deodorizing element 62 faces the opening 65a of the intermediate partition plate 65, and the back surface (gap r) of the intermediate partition plate 65 and the guide portion 65e. And is rotatably held in a space surrounded by the receiving portion 65f.
  • the deodorizing element 62 is held by the guide portion 65e even if the shaft 65j provided in the central support 65b and the opening 62a of the deodorizing element 62 are not configured to have a relationship between the shaft and the bearing as described above. It may be a structure.
  • the heating unit 63 is attached to the frame body 61 so as to cover a part of the deodorizing element 62 as follows.
  • the heating unit 63 is disposed so as not to hinder the rotation of the deodorizing element 62 across the lower part from the center of the deodorizing element 62.
  • the opening of the recess 63c provided with the heater unit 63a faces forward so that the surface of the heating unit 63f of the heating unit 63 faces the deodorizing element 62 in direct proximity.
  • the heating unit 63 is screwed to a mounting position formed on the central support 65 b located in the opening 62 c of the deodorizing element 62 and the intermediate partition plate 65 located outside the deodorizing element 62. In this state, the heating unit 63 and the lid 65d are in a positional relationship facing each other through the deodorizing element 62.
  • the heating unit 63 covers the region of a predetermined opening angle from the center of the deodorizing element 62 and is fixed to the frame body 61 without hindering the movement of the deodorizing element 62 in the rotation direction. .
  • the heating unit 63 and the lid body 65d face each other and are disposed on the frame body 61, the heat of the heater unit 63a is stopped with the deodorizing element 62 interposed between the heating unit 63 and the lid body 65d. A space is formed.
  • the heating part 63f is painted to improve the heat emissivity, it efficiently radiates the heat received from the heater 63g. Thereby, the heating unit 63 is comprised so that the site
  • the bracket 64 b is fixed to the middle partition plate 65 in a state where the motor 64 a is held by the bracket 64 b.
  • the gear attached to the rotating shaft of the motor 64 a meshes with the gear 62 b provided on the deodorizing element 62.
  • the arrangement position of the driving means 64 is the back surface of the middle partition plate 65 and the portion sandwiched between the opening 65 a and the corner 65 g of the middle partition plate 65.
  • the part where the driving means 64 is provided may be a part sandwiched by the opening 65a and the corner 65g located above the heating unit 63 among the four corners 65g.
  • the motor 64a is driven by the energization control by the control unit 47, whereby the deodorizing element 62 can be rotated with respect to the frame body 61, and the heating unit of the deodorizing element 62 is obtained.
  • the part facing 63 can be changed. That is, the relative positional relationship between the heating unit 63 and the deodorizing element 62 can be changed.
  • the drive unit 64 is provided at a position sandwiched between the opening 65a and the corner 65g, the dead space around the opening 65a formed in the rectangular partition plate 65 can be used effectively.
  • the drive means 64 is provided at a position away from the heating unit 63, the drive unit 64 can be made less susceptible to the influence of heat generated from the heating unit 63.
  • the front panel 10, the front case 20, the rear case 40, and the deodorizing unit 60 are assembled together with other functional parts as follows to configure the air purifier A.
  • the rear case 40 is attached to the rear surface of the front case 20 with the opening 41 facing forward.
  • the opening 44 d of the blower fan 44 provided in the rear case 40 is in a positional relationship opposite to the rear opening 24 formed in the partition plate 23 provided in the front case 20.
  • the opening center of the rear opening 24 coincides with the axial center of the rotating shaft of the blower fan 44 in the front-rear direction.
  • the deodorizing unit 60 is configured such that the frame 61 is inserted into the front case 20 from the front opening 22 of the front case 20 and the outer periphery of the frame 61 is held inside the front case 20. 20 is attached.
  • the rear side of the deodorizing part 60 (position side where the heating unit 63 is attached) is arranged to face the rear opening 24 of the front case 20.
  • the heating unit 63 is positioned between the deodorizing element 62 and the rear opening 24.
  • the deodorizing element 62 and the partition plate 23 and the rear opening 24 of the front case 20 that form a bell mouth around the opening 44d of the blower fan 44 flow from the deodorizing element 62 to the rear opening 24. In order not to interfere, they are opposed to each other with a predetermined distance D.
  • the heating unit 63 is located at the part of the interval D formed in this way.
  • a HEPA filter 12 having the same size as the opening of the frame body 61 is provided inside the frame body 61 of the deodorizing unit 60 attached to the front case 20.
  • a prefilter 13 is provided so as to cover it.
  • the air cleaner A is comprised by the front panel 10 being provided in the front side of the pre filter 13 between the upper protrusion part 28 and the lower protrusion part 25 of the front case 20.
  • the HEPA filter 12 is fitted into a filter case 12 a that is a frame formed of resin around the periphery. Moreover, the positioning convex part 12b is provided in the lower surface of the filter case 12a.
  • the positioning convex portion 12 b is a projection for positioning the HEPA filter 12 with respect to the frame body 61 when the frame body 61 is attached. By fitting into the positioning concave portion 61 a formed in the frame body 61, the positioning convex portion 12 b Then, the HEPA filter 12 is positioned.
  • the frame body 61 is provided with a detection switch 61b for detecting the attachment / detachment state of the HEPA filter 12.
  • the detection switch 61b is electrically connected to the control unit 47.
  • control unit 47 determines that the HEPA filter 12 is not properly attached to the frame 61 based on the signal from the detection switch 61a, the control unit 47 controls the air cleaner A so that the operation of the air purifier A cannot be started. Announces proper installation.
  • the HEPA filter 12 is a dust filtration filter for removing fine dust such as pollen, mite feces, mold spores, and house dust contained in the air.
  • the pre-filter 13 is a coarse filter that removes a large amount of dust contained in the air in advance before filtering the air with the HEPA filter, and is for maintaining the effect of the HEPA filter for a long period of time.
  • an air passage R is formed in the air cleaner A configured as described above, which takes in indoor air, cleans and deodorizes the air, and discharges the air into the room. .
  • the air path R will be described along the air purifying operation state of the air purifier A and the flow of air taken into the inside.
  • a predetermined program for operating the air purifier A is executed when the user operates the operation unit 26 to input to the control unit 47.
  • the blower fan 44 is driven to generate a suction force for taking in room air from the air suction port 11 into the air cleaner A, and the room air flows into the air suction port 11.
  • the air taken in from the air suction port 11 flows backward in the air purifier A, removes large dust with the pre-filter 13, and then removes fine dust with the HEPA filter 12.
  • the air from which the dust has been removed flows further rearward and reaches the deodorizing unit 60, passes through the opening 65a, and reaches the deodorizing element 62 disposed at a position facing the opening 65a.
  • the deodorizing element 62 has a large number of honeycomb-shaped openings extending from the front surface to the back surface, and a catalyst for adsorbing odor is applied to the surface.
  • the odor-containing air passes from the front side to the back side of the deodorizing element 62, it passes through the honeycomb-shaped opening, and the catalyst applied to the deodorizing element 62 adsorbs the odor contained in the air. Odor is removed from the air.
  • the odor is removed from the air includes not only a state in which the odor is completely removed from the air but also a state in which the odor is reduced from the state before the air passes through the deodorizing element 62.
  • the adsorbed odor is accumulated in the deodorizing element 62, and the deodorizing ability of the deodorizing element 62 increases as the adsorbed odor increases. It goes down.
  • the air from which the dust and odor have been removed flows further rearward from the deodorizing element 62, passes through the rear opening 24 that opens in the partition plate 23 of the front case 20, and is disposed to face the rear opening 24. It flows to the blower fan 44.
  • the air flowing to the blower fan 44 flows from the front of the blower fan 44 in the axial direction to the inside of the fan opening 44d surrounded by the wings 44a, and into the radial direction of the blower fan 44 including the upper part of the blower fan 44.
  • the air is discharged outside the blower fan 44.
  • the ventilation path R is an air path that connects from the air suction port 11 to the rear part of the air cleaner main body in the horizontal direction and changes the direction upward at this rear part to reach the air outlet 42.
  • a dust filtering filter such as the prefilter 13 and the HEPA filter 12 is disposed on the upstream side of the deodorizing element 62 when viewed with reference to the air flow.
  • a bent portion is formed, which is a position where the flow direction is bent upward and changed.
  • the sirocco fan which is the ventilation fan 44 is located in this bending part. Since this sirocco fan takes in air from the rotation axis direction of the fan and exhales air taken in the radial direction of the fan, the indoor air creates a linear flow from the front of the main body case C to the rear, The direction of the wind can be efficiently changed toward 42.
  • the front surfaces of the opening 44d of the deodorizing element 62, the prefilter 13, the HEPA filter 12, and the blower fan 44 are arranged in a direction perpendicular to the direction of the air flowing through the ventilation path R. Thereby, the flow of air is straight up to the deodorizing element 62, and since the air hits each filter surface perpendicularly, the air flow is good.
  • the position of the opening 65a is located at the center in the vertical direction of the front surface of the main body case C, and the relationship between the projected area X in the front view of the main body case C and the area Y in the front view of the opening 65a is Y ⁇ 0.6X It is comprised so that it may become.
  • the control unit 47 energizes the heater unit 63a.
  • the heater unit 63a generates heat, the portion of the deodorizing element 62 facing the heater unit 63a is raised to a predetermined temperature, and heated for a predetermined time.
  • the heating temperature and heating time of the deodorizing element 62 are a temperature and time sufficient to remove the odor adsorbed on the deodorizing element 62.
  • the front side is covered with the cover body 63d to which the coating which improves the emissivity of heat is given, and the rear side is covered with the heating unit 63 (heater unit 63a). Therefore, the deodorizing element 62 can be efficiently heated by the heat generated from the heater unit 63a and the heat radiated from the lid 63d. Moreover, since the deodorizing element 62 is located between the heater unit 63a and the lid 63d, the heat radiated from these members easily stays in the vicinity of the deodorizing element 62, and the deodorizing element 62 is more efficiently installed. Can be heated.
  • the control unit 47 operates the driving means 64 that rotates the deodorizing unit 62 to move the deodorizing unit 62 to a predetermined angle. Just rotate.
  • the portion where the heat treatment of the deodorizing element 62 facing the heating unit 63 is shifted in the rotation direction with respect to the heating element 63.
  • the part of the deodorizing unit 62 for which the heat treatment has been completed is removed from the position sandwiched between the heating unit 63 and the lid 63d, and the part of the deodorizing element 62 that has newly adsorbed a lot of odors is removed. And the lid 63d.
  • the angle which rotates the deodorizing unit 62 is the same as the opening angle of the fan-shaped heater unit 63a, or an angle smaller than this opening angle is good. By setting the rotation angle in this way, any part of the deodorizing unit 62 always stays in front of the heater unit 63a and is heated while the deodorizing unit 62 rotates once. Moreover, the timing which moves the deodorizing unit 62 may be performed immediately after a heat processing, and may be performed immediately before the air purifying operation performed next.
  • the deodorizing unit 60 is a region below the central support 65b located at the center of the opening 65a of the partition plate 65 constituting the deodorizing unit 60, and is a predetermined area extending equally to the left and right around the central support 65b.
  • the fan-shaped area formed by the opening angle is covered with a substantially fan-shaped lid body 65 d from the back side of the inner partition plate 65.
  • the lid body 65d is made of stainless steel, and is fixed to the beam portion 65c with screws or the like from the rear surface side (back surface side) of the intermediate partition plate 65.
  • the lid 65d has a size that can cover the heater unit 63a in a state where the lid 65d faces a heater unit 63a of the heating unit 63 described later.
  • a heat insulating material 66 is provided in a portion surrounded by the front surface of the lid body 65d and the beam portion 65c.
  • a cover 67 is provided on the front side of the heat insulating material 66.
  • the cover 67 is made of resin, and is fixed to the beam portion 65c with screws or the like from the front side (surface side) of the middle partition plate 65.
  • a heating space is formed by facing the heating unit 63 when the deodorizing element 62 is heated by the heating unit 63.
  • the heat of the heating space can be made difficult to escape from the surface of the lid body 65d. Therefore, the temperature of the heating space can be increased efficiently, the deodorizing element 62 can be efficiently heated, and the user cannot directly touch the lid 65d that is at a high temperature, thus preventing burns. be able to.
  • the air outlet 42 will be described with reference to FIGS.
  • a lattice is usually attached to the opening of the air outlet 42, but the lattice is removed in order to explain the movement of the louver 46.
  • the louver 46 in the vicinity of the air outlet 42 includes a plurality of plate-like wind direction plates 46a, a link mechanism 46c that connects the plurality of wind direction plates 46a to move the wind direction plate 46a to a predetermined angle, and the link mechanism 46c. It is comprised from the drive part (not shown) which moves.
  • the louver 46 includes a plurality of plate-like wind direction plates 46a arranged in parallel so as to be parallel to each other at a predetermined interval from the opening of the air outlet 42.
  • the shafts formed at both ends of the wind direction plate 46a are supported by the air outlet 42.
  • the drive unit that moves the link mechanism 46c is connected to a control unit 47, which will be described later, and is driven by a predetermined program in accordance with the state of the air purifier. Be changed.
  • the size of the wind direction plate 46a is such that the width in the front-rear direction substantially coincides with the width in the front-rear direction of the air outlet 42, and the maximum width in the left-right direction is the state where the louver 46 is closed, that is, the wind direction plate 46a collapses. In such a state, the adjacent wind direction plate 46a is configured to have a size enough to block the air outlet 42.
  • the louver 46 operates a drive unit that causes the control unit 47 to move the link mechanism 46c so that each wind direction plate 46a blocks the air outlet 42 while the deodorizing element 62 is heated. Let Thus, during the heat treatment of the deodorizing element 62, the blowout port 42 is blocked by the louver 46, so that it is difficult to release odors and the like from the deodorizing element 62 generated during the heat treatment to the outside of the air cleaner A. .
  • the air purifier A is composed of a main body case C and various functional parts such as a deodorizing unit 60 provided in the main body case C.
  • the main body case C is formed of a resin and is composed of a plurality of parts such as the front panel 10, the front case 20, and the rear case 40, and the planar shape of the front and side surfaces is a vertically rectangular outer shell. Yes.
  • four wheels 90 are provided at the bottom of the main body case C.
  • Two wheels are provided at the bottom of the front case 20 and two at the bottom of the rear case 40, respectively, and the left and right sides of the main body case C are symmetric with respect to the center of the main body case C when viewed from the front side. One by one.
  • a handle 91 that is gripped when the user moves the air purifier A is provided on the rear side of the upper part of the upper side of the frame 21 constituting the front case 20.
  • the handle 91 has a rod-like shape, and is installed so that the center axis of the grip portion 91a is the center of the top surface of the main body case C and faces the left-right direction.
  • the position of the handle 91 in the front-rear direction with respect to the main body case C is located between the heating unit 63 and the blower fan 44.
  • the height L from the floor surface of the grip part 91a is comprised so that it may be located in the range of 700 mm or less.
  • the wheel 90 is configured to be rotatable at least in the longitudinal direction of the grip part 91a.
  • the handle 91 is located at a substantially intermediate position of a portion having a large weight density.
  • the air cleaner A can be moved using a position where the weight is relatively balanced as a fulcrum. Therefore, it can be set as the air cleaner A which a user can carry easily.
  • the air cleaner A of this Embodiment is comprised so that the height L from the floor surface of the grip part 91a of the handle 91 may be 700 mm or less. Because of this structure, the average finger joint height (vertical distance from the floor to the middle finger joint when a person is standing on the floor) is about 695 mm for men and about 695 mm for women. Since it is about 632 mm and the whole is about 662 mm, the height of the handle 91 is easy to grip without being greatly bent by the user regardless of gender.
  • the depth S of the air cleaner A of the present embodiment is about 300 mm. Because it is configured in this way, the average shoulder width of Japanese adults is about 426 mm for men, about 394 mm for women, and about 409 mm for the whole. When pushing and pulling more, it fits within the shoulder width of a person. Thereby, the air cleaner A can move easily even in a narrow passage or place.
  • the corridor width of a general household is about 850 mm to 900 mm, a space of about 550 mm to 600 mm can be secured when the air cleaner A is placed sideways in the corridor. Therefore, even if the air purifier A is installed in a general household corridor, it is possible to secure a space enough for people and objects to pass.
  • the corridor width of the care facility is about 1800 mm or more, when the air cleaner A is placed sideways in the hallway, a space of about 1500 mm can be secured. Therefore, even if the air purifier A is installed in the corridor of the care facility, it is possible to secure a space enough for people and things to pass. Moreover, since the wheelchair generally used is about 700 mm in width, even if the air purifier A is installed in the corridor of the care facility, the wheelchairs can pass each other.
  • the portion where the deodorizing element 62 always faces the heating unit 63 may be a limited portion, so that the obstruction of the air flow through the heating unit 63 through the deodorizing element 62 is minimized. . Thereby, it is possible to flow more air with respect to the deodorizing element 62, and more odor can be removed from the air at once.
  • the heating unit 63 can be reliably opposed to each part of the deodorizing element 62 and heated. Thereby, the heating nonuniformity between each site
  • the heating unit 63 is configured so that the heater 63g for heating the heating unit 63f is covered with the fan-shaped heating unit 63f and the heater case 63b. Therefore, the heating unit 63 is ignited by the charging unit (current energizing unit) of the heater 63g. However, it does not spread to the outside.
  • the PTC heater has a self-temperature control property, the temperature does not rise above a certain level, and no external temperature control is required, so that it is intermittent like a thermostat. Since no control is performed, no sparks or noise is generated, and the apparatus can be used stably.
  • the sheathed heater when a sheathed heater is used, the sheathed heater is excellent in insulation, and therefore can be used in the vicinity of the heating part 63f made of metal.
  • the heating unit 63f in which a sheathed heater is cast when used, the heating unit 63f can be heated more efficiently.
  • a dust filtration filter is installed on the upstream side of the deodorizing element 62 in the ventilation path, dust does not collect easily on the deodorizing element, and the risk of scorching or igniting the dust with the heat of the heater is reduced.
  • a detection switch for detecting whether or not the dust filtration filter is installed is provided, operation is not possible without the dust filtration filter. Thereby, since it can prevent that dust adheres to a deodorizing element, the danger of scorching dust with the heat of a heater or igniting decreases.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un purificateur d'air (A) facile à déplacer, comprenant : une enceinte de corps principal (C) sur laquelle sont formés un orifice d'admission (11) et un orifice de soufflage (42) donnant vers l'extérieur et possédant un évent (R) reliant entre eux l'orifice d'admission (11) et l'orifice de soufflage (42); un moyen de soufflage (44) qui introduit l'air intérieur dans l'évent (R); un élément de suppression d'odeur cylindrique (62) prévu sur l'évent (R) et dans lequel l'air introduit peut passer; une unité de chauffage (63) qui chauffe localement l'élément de suppression d'odeur (62); un moyen de changement de position (64) qui modifie la relation de position relative entre l'unité de chauffage (63) et l'élément de suppression d'odeur (62), en faisant tourner l'élément de suppression d'odeur (62); et un moyen de commande (47) qui commande l'électrification du moyen de soufflage (44), du moyen de chauffage (63) et du moyen de changement de position (64). L'élément de suppression d'odeur (62) est capable de rétablir la fonction de suppression d'odeur lorsqu'il est chauffé par l'unité de chauffage (63). L'unité de chauffage (63) est configurée de manière qu'elle possède : une plaque de chauffe en forme d'éventail (63f); un radiateur (63g) qui chauffe la plaque de chauffe; et un enceinte de radiateur (63b) configurée pour encercler la plaque de chauffe (63f) et le radiateur (63g).
PCT/JP2012/059484 2011-04-21 2012-04-06 Purificateur d'air WO2012144347A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013510947A JPWO2012144347A1 (ja) 2011-04-21 2012-04-06 空気清浄機
TW101113427A TWI498149B (zh) 2011-04-21 2012-04-16 空氣清淨機

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2011-094875 2011-04-21
JP2011094875 2011-04-21
JP2011188765 2011-08-31
JP2011-188765 2011-08-31
JP2012010897 2012-01-23
JP2012-010897 2012-01-23

Publications (1)

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WO2012144347A1 true WO2012144347A1 (fr) 2012-10-26

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JP (1) JPWO2012144347A1 (fr)
TW (1) TWI498149B (fr)
WO (1) WO2012144347A1 (fr)

Cited By (7)

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CN103277847A (zh) * 2013-06-13 2013-09-04 王登银 多功能空气净化器
JP2015217209A (ja) * 2014-05-20 2015-12-07 多摩岡産業株式会社 空気清浄システム
CN107650631A (zh) * 2017-09-27 2018-02-02 天津市科易电子科技有限公司 车载净化器过滤用连接结构
JP2018140370A (ja) * 2017-02-28 2018-09-13 株式会社富士通ゼネラル 吸着ユニット及び空気清浄機
JP2018153744A (ja) * 2017-03-16 2018-10-04 株式会社富士通ゼネラル 吸着ユニット及び空気清浄機
CN109078396A (zh) * 2018-08-23 2018-12-25 宁波高新区意川汽车零部件有限公司 一种汽车空调滤芯自清洁和空气净化装置
CN113230751A (zh) * 2021-06-11 2021-08-10 珠海格力电器股份有限公司 一种滤网除味装置及其控制方法

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CN107073375A (zh) * 2014-11-21 2017-08-18 三菱电机株式会社 空气净化器

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JP2004211914A (ja) * 2002-12-26 2004-07-29 Sanyo Electric Co Ltd 除湿機
JP2011024936A (ja) * 2009-07-29 2011-02-10 Fujitsu General Ltd 脱臭装置

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JP4269950B2 (ja) * 2004-01-21 2009-05-27 パナソニック株式会社 除湿装置

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JPH11178905A (ja) * 1997-12-24 1999-07-06 Daikin Ind Ltd シート状材料及びこれを用いた空気浄化用触媒構造体並びに空気清浄機
JP2003225297A (ja) * 2002-02-04 2003-08-12 Toshiba Kyaria Kk 再生式脱臭ユニット
JP2004211914A (ja) * 2002-12-26 2004-07-29 Sanyo Electric Co Ltd 除湿機
JP2011024936A (ja) * 2009-07-29 2011-02-10 Fujitsu General Ltd 脱臭装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103277847A (zh) * 2013-06-13 2013-09-04 王登银 多功能空气净化器
JP2015217209A (ja) * 2014-05-20 2015-12-07 多摩岡産業株式会社 空気清浄システム
JP2018140370A (ja) * 2017-02-28 2018-09-13 株式会社富士通ゼネラル 吸着ユニット及び空気清浄機
JP2018153744A (ja) * 2017-03-16 2018-10-04 株式会社富士通ゼネラル 吸着ユニット及び空気清浄機
CN107650631A (zh) * 2017-09-27 2018-02-02 天津市科易电子科技有限公司 车载净化器过滤用连接结构
CN109078396A (zh) * 2018-08-23 2018-12-25 宁波高新区意川汽车零部件有限公司 一种汽车空调滤芯自清洁和空气净化装置
CN113230751A (zh) * 2021-06-11 2021-08-10 珠海格力电器股份有限公司 一种滤网除味装置及其控制方法

Also Published As

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JPWO2012144347A1 (ja) 2014-07-28
TW201302284A (zh) 2013-01-16
TWI498149B (zh) 2015-09-01

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