WO2020079789A1 - 空気清浄装置 - Google Patents

空気清浄装置 Download PDF

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Publication number
WO2020079789A1
WO2020079789A1 PCT/JP2018/038734 JP2018038734W WO2020079789A1 WO 2020079789 A1 WO2020079789 A1 WO 2020079789A1 JP 2018038734 W JP2018038734 W JP 2018038734W WO 2020079789 A1 WO2020079789 A1 WO 2020079789A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
body casing
main body
filter unit
air flow
Prior art date
Application number
PCT/JP2018/038734
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
潤 高野
仁 猪股
Original Assignee
バルミューダ株式会社
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 バルミューダ株式会社 filed Critical バルミューダ株式会社
Priority to PCT/JP2018/038734 priority Critical patent/WO2020079789A1/ja
Priority to TW108134983A priority patent/TWI816891B/zh
Publication of WO2020079789A1 publication Critical patent/WO2020079789A1/ja

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Classifications

    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers

Definitions

  • the present invention relates to an air cleaning device that cleans air with a filter unit.
  • Patent Document 1 it is proposed that two fans are used and air that does not pass through the filter is also circulated to add a function as a circulator to purify a wider range of air.
  • the air cleaning device described in Patent Document 1 can perform effective air cleaning, but it is desired that the air cleaning device be more efficiently and highly functionalized.
  • the air purifying apparatus includes an air flow path that extends upward in the main body casing from an opening formed in a lower portion of the main body casing and opens on an upper surface of the main body casing.
  • a filter unit that filters the air to be blown, a blower fan that is placed on the downstream side of the filter unit and blows upward, and a vane that is placed on the downstream side of the blower fan and that rectifies the air from the blower fan.
  • the air flow path may include a tunnel-shaped intake passage that penetrates from the front surface to the back surface of the main body casing.
  • the air flow path between the filter unit and the blower fan is formed by a pipe-shaped wall arranged inside the main body casing, and drives the blower fan in the space between the outside of the wall and the main body casing.
  • a circuit board on which a control circuit is mounted may be housed.
  • the vanes should collect the air flow sent by the blower fan toward the center, and make the air flow with a small cross section.
  • a relatively strong air flow can be discharged upward, and efficient air circulation in the room can be performed.
  • FIG. 1 It is a figure which shows the external appearance of the air purifying apparatus which concerns on one Embodiment. It is a figure which shows the internal structure of an air purifier, (a) is a top view, (b) is a front view when it cut
  • FIG. 34 It is a figure which shows the flow (air flow path) of the air in an air purifier. It is a figure which shows the structure of the illuminating part 34, (a) is the figure seen from the front, (b) is the figure which looked at the back upper direction from the inside of the intake passage 16 (a part of illuminating part is shown), (c) is. It is a figure which shows the cross section cut
  • FIG. 60 It is a figure which shows the structure of the stationary blade 60, (a) is a perspective view, (b) is a top view. It is a figure which shows the streamline (analysis result) of an air flow, (a) shows the case where the stator blade 60 exists, (b) shows the case where the stator blade 60 is not.
  • FIG. 1 shows the external appearance of an air cleaning device according to an embodiment.
  • the air cleaning device 10 has a quadrangular prism shape as a whole.
  • the main body casing 12 covers the peripheral portions of the side surface and the upper surface.
  • a front air intake opening 14 is formed in the lower front surface of the main body casing 12. As will be described later, the front air intake opening 14 is a front opening of a tunnel-shaped air intake passage 16 having a rectangular cross section, the air intake passage 16 penetrates to the back surface, and the back surface side (rear) has a rear air intake opening on the back surface. 30 (see FIG. 2) is formed.
  • a circular fan guard 18 is detachably provided on the upper surface of the main body casing 12, and this constitutes the exhaust opening 20.
  • a recess 22 (only the right side surface is shown in FIG. 1) for the user to hold with his / her hand is formed in the vertical middle portion of the left and right side surfaces of the main body casing 12. Further, a plurality of switch buttons 24 for operation are provided on the front side corner portion of the upper surface of the main body casing 12.
  • FIG. 2 and 3 are views showing the internal structure of the air purifying apparatus
  • FIG. 2 (a) is a plan view
  • FIG. 2 (b) is a front view when cut by a plane passing through the alternate long and short dash line (front-back direction) in (a).
  • FIG. 3 (a) is a plan view
  • (b) is a front view when cut by a plane passing through the alternate long and short dash line (horizontal direction) in (a)
  • D) are the same perspective views.
  • the back intake opening 30 is formed on the back side of the intake passage 16.
  • the upper side of the intake passage 16 is largely opened, and a vertical air passage 32 is formed therein.
  • an illumination unit 34 is provided on the upper rear side of the intake passage 16.
  • the illumination unit 34 has a plurality of LEDs arranged over substantially the entire width in the left-right width direction, and supplies light to almost the entire intake passage 16 by irradiating light obliquely forward.
  • the filter unit 40 is arranged on the air passage 32.
  • the filter unit 40 is provided so as to close the air passage 32, and the air from the air passage 32 is filtered and purified by passing through the filter unit 40.
  • the filter unit 40 includes a pleated dust collecting filter (filter for removing dust, dust, etc.) configured by folding a long thin filter material, and a deodorizing filter (odorous material) in which activated carbon or a catalytic substance is attached to a fiber material. It has a two-stage structure (filter for adsorbing generated substances), and both are integrated and removable. That is, the part of the main body casing 12 on the back side corresponding to the filter unit 40 is removable (a state where this part is removed is shown in FIG. 2), and the filter unit 40 can be pulled out to the back side. Is. It is also preferable to provide a pre-filter for performing simple filtering at the bottom of the filter unit 40.
  • the air passage 42 is located above (downstream) the filter unit 40, and the air passage 42 has a taper-shaped cross-sectional area that decreases upward. That is, the pipe-shaped wall 44 forming the air passage 42 is gradually arranged inside the main body casing 12.
  • the fan guard 48 is provided at the narrowed portion (small diameter portion). The fan guard 48 is formed by connecting concentric circular plate members with a radial plate member, and partitions the space to prevent human hands from entering from below.
  • a circuit board 46 is arranged in the space between the wall 44 and the main body casing 12.
  • the circuit board 46 is provided with a circuit for controlling the power supply to the fan motor 50 according to the operation of the switch button 24 and a circuit for controlling the illumination of the illumination unit 34.
  • a dust sensor and a gas sensor are attached to the circuit board 46, and the fan motor 50 and the illumination unit 34 are controlled according to the detection results of these sensors.
  • the present embodiment also includes an illuminance sensor that detects the brightness of the surroundings, and when the surroundings are dark, the rotation speed of the fan motor may be set low to reduce noise.
  • the illuminance sensor may be provided on the upper surface of the main body casing 12.
  • the air passage 42 above the fan guard 48 is expanded in a tapered shape, and a fan motor 50 is provided above the air passage 42.
  • the fan motor 50 is fixed to the center of the air passage 42 by a support member 52.
  • the support material 52 has an opening and basically does not prevent the air flow.
  • the fan motor 50 rotates the rotary blades 54 to generate an air flow.
  • the fan motor 50 and the rotating blades 54 form a blower fan 56.
  • the rotary blade 54 is an axial flow type, and the blower fan 56 is an axial flow fan.
  • the blower fan 56 sucks in air from the air passage 42 and supplies it upward. That is, the air from the intake passage 16 passes through the filter unit 40 and is blown upward.
  • the stationary blade 60 is composed of a dome body that bulges upward toward the center and a plurality of blades that extend in the radial direction from the dome body, and concentrates the air flow sent by the rotary blade 54 in the center direction.
  • a fan guard 18 is arranged on the upper surface of the main body casing 12 above the stationary blades 60.
  • the fan guard 18 has a circular overall shape and is provided with a large number of radial bars to prevent a hand or various objects from entering.
  • FIG. 5 shows the configuration of the illumination unit 34.
  • 5A is a view seen from the front
  • FIG. 5B is a view looking upward and rearward from the inside of the intake passage 16 (showing a part of the illumination portion)
  • FIG. FIG. 5A is a view seen from the front
  • FIG. 5B is a view looking upward and rearward from the inside of the intake passage 16 (showing a part of the illumination portion)
  • the lighting unit 34 has a semi-cylindrical transparent cover 100, which is fixed to the rear portion of the main body casing 12 at the upper rear portion of the intake passage 16.
  • a plate-shaped LED substrate 102 is arranged so as to extend in the left-right direction.
  • the surface of the LED substrate 102 is directed obliquely forward and downward.
  • a plurality of LED elements 104 are laterally arranged on the LED substrate 102 at intervals. Therefore, by causing the plurality of LED elements 104 to emit light, light is emitted to the lower side and the front side thereof, and the light can be supplied to almost the entire intake passage 16. Electric power is supplied to the LED element 104 from the circuit board 46.
  • the illumination unit 34 can adjust the light emission intensity of the LED element 104 according to a signal from the circuit board 46. That is, the brightness of the illumination for the intake passage 16 can be changed.
  • FIG. 6A to 6D show the illumination state by the illumination unit 34.
  • (A) is an off state
  • (b) is a state immediately after lighting
  • (c) is a state after a short time
  • (d) is a fully lit state (maximum illuminance). Therefore, by gradually increasing the illumination intensity as in (a) to (d), it is possible to simulate a state in which the illumination is moving from the rear to the front. In this way, the movement can be simulated without using a mechanical movement means, so that unnecessary noise is not generated and problems such as wear do not occur. And it becomes an excellent design.
  • the lighting of the lighting unit 34 is started immediately after the air cleaning device 10 is started, and the fluctuation of the lighting state from the off state to the maximum illuminance may be repeated once or a predetermined plurality of times.
  • blowing intensity fan intensity
  • fan intensities there are a plurality of fan intensities (at least three), and the higher the fan intensity, the higher the illumination intensity of the illumination unit 34 should be according to the fan intensity.
  • the emission intensity when the ventilation mode is changed, the emission intensity once weakens and then is set to the emission intensity corresponding to that mode. As a result, it is possible to reliably recognize that the operation has been performed.
  • the illuminance change as described above may be performed when the state of being kept in a predetermined lighting state has passed for a predetermined time. Further, when the operation is continued for a predetermined time, the light may be turned off, and when the light-off time has passed a predetermined time, the light may be turned on with a predetermined intensity or the illuminance may be changed as described above.
  • the ventilation mode there is an “auto mode” that automatically changes the fan strength in addition to manually setting the fan strength such as “strong”, “medium”, and “weak”.
  • the illumination intensity may be temporarily reduced and then set to the illumination intensity corresponding to the set fan intensity. This allows the user to easily recognize that the fan strength has been automatically changed. The user can enjoy the change.
  • FIG. 7 shows a state in which the filter unit 40 is taken out, (a) shows a state where it is taken out, and (b) shows an operation of taking out the deodorizing filter from the filter unit 40.
  • the dust collecting filter 110 and the deodorizing filter 114 are housed in the filter frame 112.
  • the back surface of the main body casing 12 corresponding to the filter unit 40 is a removable lid 118.
  • the filter unit 40 is integrated. It can be put in and taken out of the main body casing 12. Therefore, the filter unit 40 can be removed, the filter can be cleaned and returned, or the filter can be replaced as needed.
  • the periphery of the deodorizing filter 114 is supported by the step on the inner wall of the filter frame 112.
  • a stopper 116 is rotatably attached to the upper end of the front side wall of the filter frame 112.
  • the stopper 116 By rotating the stopper 116 from the front side to the back side, the tip end thereof is caught by the front side upper surface of the deodorizing filter 114 and the deodorizing filter 114 is sandwiched. On the other hand, by rotating the stopper 116 from the back side to the front side, the tip of the stopper 116 is removed from the deodorizing filter 114, and the deodorizing filter 114 can be taken out from the filter frame 112.
  • "Structure of insertion part of filter unit 40" 8A to 8D show the structure of the insertion portion of the filter unit 40.
  • (A) is an internal state in which the filter unit 40 is inserted into the main body casing 12
  • (b) is an internal state in which the filter unit 40 is taken out from the main body casing 12
  • (c) is a filter unit 40 from the main body casing 12 Is a perspective view showing a state in which is taken out
  • (d) is a view showing an internal structure of the support unit.
  • the space inside the main body casing 12 into which the filter unit 40 is inserted is slightly larger than that of the filter unit 40. Then, by pressing the frame-shaped upper end surface of the filter unit 40 (upper end of the filter frame 112) upward, it is possible to hermetically connect (seal) the upper air passage 42.
  • the support units 120 are arranged at the left and right ends below the space inside the main body casing 12 into which the filter unit 40 is inserted.
  • the support unit 120 includes a pair of spring units 122 that internally include springs in the vertical direction, a pair of supports 124 that suppress the vertical movement to a predetermined value or less, and an upper surface plate 126 that forms an upper surface.
  • the top plate 126 has an inclined portion on the front side and the back side, and a flat portion at the middle portion. Therefore, when the filter unit 40 is inserted from the back side, the front lower end of the filter unit 40 first contacts the inclined portion of the upper plate 126, and then the filter unit 40 is pushed in, so that the support unit 120 resists the spring force. And move down. Therefore, when the insertion of the filter unit 40 is completed by pushing the filter unit 40 forward in this state, the spring force of the support unit 120 pushes the filter unit 40 upward by releasing the filter unit 40. become.
  • the support unit 120 can be moved downward, so that it can be taken out easily.
  • the lower side of the filter unit 40 is an intake of outside air connected to the intake passage 16, and it is not necessary to seal it.
  • FIG. 9 shows a configuration example of the rotary blade 54.
  • the plurality of blades 132 are attached to the peripheral edge of the central cylindrical core material 130.
  • the blade 132 extends obliquely downward from the upper end at the inner end, and the outer end is positioned with a slight gap from the inner circumference of the cylindrical passage.
  • the central portion of the core material 130 is fixed to the rotating shaft of the fan motor 50.
  • the rotary blade 54 is an axial flow type, and an air flow in the axial direction is generated by rotating the rotary blade 54.
  • FIG. 10 shows the structure of the stationary blade 60, where (a) is a perspective view and (b) is a plan view.
  • a dome portion 142 having a shape that bulges upward is disposed at the center of the cylindrical outer wall 140, and a plurality of plate members 144 that extend in the radial direction are disposed between the outer wall 140 and the dome portion 142.
  • the surface of each plate 144 is slightly inclined with respect to the axial direction by a predetermined angle (inclined in the same direction).
  • FIG. 11 shows airflow streamlines (analysis results) with and without the vanes 60.
  • the airflow in the circumferential direction is suppressed by the vanes 60, which causes a relatively straight airflow upward.
  • the air cleaning device 10 has an auto mode.
  • this auto mode the number of rotations of the rotary blades 54 is controlled based on the detection results of various sensors.
  • the strength of the blower fan can be increased.
  • the illuminance sensor detects that the surroundings are dark, it is determined that the user is sleeping, and the fan strength is limited in order to reduce operating noise (for example, prohibiting the fan strength from becoming too strong).
  • the deodorizing filter 114 cannot deodorize all kinds of odors that react with the gas sensor. Therefore, when the value detected by the gas sensor is high and the fan strength is set to be high, it is preferable to sequentially decrease the fan strength after a certain period of time has elapsed. For example, when the fan intensity level corresponding to the detection value of the gas sensor is strong, it can be sequentially weakened to a medium level, a weak level, an idling level, etc. at predetermined time intervals.
  • fan strength for example, three levels of strong, medium, and weak can be set.
  • SYMBOLS 10 air purifying device 12 main body casing, 14 front intake opening, 16 intake passage, 18, 48 fan guard, 20 exhaust opening, 22 recess, 24 switch button, 30 rear intake opening, 32 air passage, 34 lighting section, 40 filter Unit, 42 air passage, 44 wall, 46 circuit board, 50 fan motor, 52 support material, 54 rotating blade, 56 blower fan, 60 stationary blade, 100 transparent cover, 102 substrate, 104 LED element, 110 dust collecting filter, 112 Filter frame, 114 deodorizing filter, 116 stopper, 118 lid, 120 support unit, 122 spring unit, 124 support body, 126 top plate, 130 core material, 132 blades, 140 outer wall, 142 dome portion, 144 plate material.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Glass Compositions (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
PCT/JP2018/038734 2018-10-17 2018-10-17 空気清浄装置 WO2020079789A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2018/038734 WO2020079789A1 (ja) 2018-10-17 2018-10-17 空気清浄装置
TW108134983A TWI816891B (zh) 2018-10-17 2019-09-27 空氣清淨裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/038734 WO2020079789A1 (ja) 2018-10-17 2018-10-17 空気清浄装置

Publications (1)

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WO2020079789A1 true WO2020079789A1 (ja) 2020-04-23

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PCT/JP2018/038734 WO2020079789A1 (ja) 2018-10-17 2018-10-17 空気清浄装置

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WO (1) WO2020079789A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020079790A1 (ja) * 2018-10-17 2021-09-02 バルミューダ株式会社 空気清浄装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002078782A (ja) * 2000-09-07 2002-03-19 Toto Ltd 空気清浄機
US20100119366A1 (en) * 2007-04-03 2010-05-13 Carrier Corporation Outlet guide vanes for axial flow fans
JP2013217580A (ja) * 2012-04-09 2013-10-24 Balmuda Inc 空気清浄装置
US20150330411A1 (en) * 2012-10-08 2015-11-19 Ebm-Papst Mulfingen Gmbh & Co. Kg Flow Rectifier for an Axial Fan
US20180202465A1 (en) * 2015-09-14 2018-07-19 Qingdao Randall Aerodynamics Engineering LLC Air purifier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107166548B (zh) * 2017-05-12 2022-11-18 华南理工大学 基于无线的智能化复合式空气净化器系统及其控制方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002078782A (ja) * 2000-09-07 2002-03-19 Toto Ltd 空気清浄機
US20100119366A1 (en) * 2007-04-03 2010-05-13 Carrier Corporation Outlet guide vanes for axial flow fans
JP2013217580A (ja) * 2012-04-09 2013-10-24 Balmuda Inc 空気清浄装置
US20150330411A1 (en) * 2012-10-08 2015-11-19 Ebm-Papst Mulfingen Gmbh & Co. Kg Flow Rectifier for an Axial Fan
US20180202465A1 (en) * 2015-09-14 2018-07-19 Qingdao Randall Aerodynamics Engineering LLC Air purifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020079790A1 (ja) * 2018-10-17 2021-09-02 バルミューダ株式会社 空気清浄装置
JP7109109B2 (ja) 2018-10-17 2022-07-29 バルミューダ株式会社 空気清浄装置

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TW202024543A (zh) 2020-07-01
TWI816891B (zh) 2023-10-01

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