EP4040055A1 - Appareil purificateur d'air - Google Patents

Appareil purificateur d'air Download PDF

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Publication number
EP4040055A1
EP4040055A1 EP21020059.8A EP21020059A EP4040055A1 EP 4040055 A1 EP4040055 A1 EP 4040055A1 EP 21020059 A EP21020059 A EP 21020059A EP 4040055 A1 EP4040055 A1 EP 4040055A1
Authority
EP
European Patent Office
Prior art keywords
air
housing
water
air purifier
soil
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP21020059.8A
Other languages
German (de)
English (en)
Inventor
Bassel Jouni
Bilal Jouni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP21020059.8A priority Critical patent/EP4040055A1/fr
Publication of EP4040055A1 publication Critical patent/EP4040055A1/fr
Pending legal-status Critical Current

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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
    • 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
    • F24F8/175—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 biological materials, plants or microorganisms
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/0358—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with dehumidification means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F2006/005—Air-humidification, e.g. cooling by humidification using plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/30—Condensation of water from cooled air

Definitions

  • the present invention is in the technical field of air purifiers and atmospheric water extraction devices.
  • an aspect of some embodiments of the present invention relates to an air purifier apparatus, comprising a housing, a plant pot, an air purification filter, a fan, an air outlet, a dehumidifier, and a watering system.
  • the housing comprises an air intake opening to an external environment outside the housing.
  • the plant pot is disposed downstream of the air intake, and is configured to hold soil and being perforated so as to enable contact between at least some air outside the plant pot and at least some of the soil inside the plant pot.
  • the air purification filter is disposed downstream of the plant pot.
  • the fan is disposed downstream of the air purification filter.
  • the air outlet is disposed downstream of the fan and located in a first compartment of the housing.
  • the dehumidifier is disposed in a second compartment of the housing that is separate from the first compartment, the dehumidifier being configured to extract water from air interacting with the dehumidifier, the second compartment having at least one air exchange perforation opening to the external environment outside the housing.
  • the watering system is configured to circulate water located inside the housing to the plant pot.
  • the fan is arranged to generate an air pressure gradient in the housing and draw air from the external environment through the air intake and downstream through the plant pot and/or around the plant pot, through the air purification filter, and out of the housing through the air outlet.
  • the water located inside the housing comprises the water extracted by the dehumidifier.
  • the housing comprises a front chamber, a middle chamber, and a rear chamber.
  • the front chamber has a plurality of first perforations, the first perforations forming the inlet.
  • the middle chamber is separated from the front chamber by a first wall, the first wall having a first opening, the fan being installed in the first opening.
  • the rear chamber is separated from the middle chamber by a second wall, the rear chamber forming the second compartment.
  • the dehumidifier is located in the rear chamber.
  • a top of the middle chamber is at least partially uncovered, thereby forming the outlet.
  • the fan is configured to drive the air from the external environment into the front chamber through the first perforations, then through the air purification filter, then through the fan into middle chamber, then out of the middle chamber via the top of the middle chamber, such that at least some of the air entering the housing via the first perforations is configured to interact with the soil and/or a root of the plant and to be filtered by interaction with the soil and/or by the root before passing through the air purification filter, and such that the air purification filter is configured to remove at least some particles from the air passing therethrough.
  • the second wall comprises a second opening and the dehumidifier comprises a Peltier dehumidifier covering the second opening and comprising a warm plate and a cold plate.
  • the warm plate faces the middle chamber.
  • the cold plate faces and partially extending into the rear chamber, such that the air in the rear chamber contacts the cold plate, causing water vapor in the air to condense into the water thereby reducing a humidity of the air in the rear chamber, such that the water drips onto a water reservoir at a bottom of the rear chamber.
  • the air purifier apparatus comprises a heat sink joined to the hot plate and extending inside the middle chamber, such the air flows through the heat sink before being driven out of the housing and thereby cools the hot plate.
  • the air purifier apparatus further comprises an air status sensor, configured to measure a humidity of the air either inside the housing or outside the housing, wherein the dehumidifier is configured to be activated when the measured humidity of the air is above a first threshold and deactivated when the measured humidity falls below a second threshold.
  • the first threshold and the second threshold are equal to each other, or the first threshold is higher than the second threshold.
  • the water reservoir is removably joined to the housing.
  • the air purifier apparatus comprises a soil moisture sensor configured to measure a soil moisture in the soil within the plant pot, wherein the watering system is configured to be activated to drive the water to the plant pot if the soil moisture falls below a first threshold and deactivated if the soil moisture rises above a second threshold.
  • the first threshold and the second threshold are equal to each other, or the first threshold is lower than the second threshold.
  • the air purifier apparatus further comprising the soil and the plant, wherein the fan is configured to drive some air from the inlet through the soil and from the soil to the air purification filter.
  • the air purifier apparatus further comprises an air status sensor, a soil moisture sensor, a user interface, and a control unit.
  • the air status sensor is configured to measure humidity of the air before the air reaches the dehumidifier and to generate first sensor data indicative of the humidity of the air.
  • the soil moisture sensor is configured to measure a moisture level of the soil and to generate second sensor data indicative of the moisture of the soil.
  • the user interface is configured for receiving one or more instructions from the user.
  • the control unit is configured to: receive the first sensor data, the second sensor data, and the one or more instructions; process the first sensor data, the second sensor data, and the one or more instructions; control an operation of the dehumidifier according to first sensor data and the one or more instructions; and control an operation of the watering system according to the second sensor data and the one or more instructions.
  • the one or more instructions comprise a selection of a type of plant contained in the plant pot from a plurality of predetermined plants.
  • the control unit is configured to store watering data indicative of watering requirements of the predetermined plants and is configured to control the operation of the watering system according to the watering requirement of the selected plant and to the soil moisture.
  • the watering data is indicative of a desired soil moisture and a desired speed for providing water to the soil.
  • the air purifier apparatus comprises a water level sensor configured to measure a water quantity in the housing and to generate third sensor data indicative of the water quantity in the housing.
  • the control unit is configured to calculate a desired water quantity in the housing based on the soil moisture level and the watering requirements of the plant.
  • the control unit is configured to compare the desired water quantity to the water quantity in the housing provided by the water level sensor. If the water quantity in the housing is less than the desired water quantity, the control unit is configured to generate an alert signal and to transmit the alert signal to the user interface. Responsive to the alert signal, the user interface is configured to output a notification to the user to add water to the housing.
  • control unit is configured to stop generating the alert signal
  • user interface is configured to stop outputting the notification in response to a lack of the alert signal
  • the one or more user instructions include a desired rotation speed of one or more blades of the fan.
  • the control unit is configured to change a rotation speed of the one or more blades of the fan according to the one or more user instructions.
  • Fig. 1 is a plan view of an air purifier 1 with a condenser 105, according some embodiments of the present invention.
  • the air purifier 1 includes a housing 2 having an air intake 3 and an air outlet 4, an air purification filter 20 located downstream of the intake, a plant pot 15 disposed downstream of to the purification filter, a dehumidifier 105 disposed downstream of the plant pot.
  • the air outlet 4 is disposed downstream of the dehumidifier 105.
  • the air purifier 1 also includes a fan 30 and a watering system 7.
  • the fan 30 is disposed downstream of the plant pot 15 and upstream of the dehumidifier 105, and is arranged to generate an air pressure gradient in the housing 2 and to draw air through the air intake 3 and downstream through the air purification filter 20, through the plant pot 15 and/or around the plant pot 15, through the dehumidifier 105 and out through the air outlet 4 outside of the housing 2.
  • the watering system 7 is configured to circulate water generated by the dehumidifier 105 from inside the housing 2 to the plant pot 15.
  • Air flow is represented by the black-filled arrows. Air is driven by the fan into the housing 2 via the air intake 3. The air then passes through the air purification filter 20, which uses adsorption to prevent passage of at least some of the particles and/or vapors (such as Volatile Organic Compounds) in the air. This is physical filtering of the air.
  • the air purification filter is configured to absorb and/or trap at least some particles and/or vapors in the air.
  • the air purification filter 20 may, for example include activated charcoal and hemp.
  • the plant pot 15 is perforated so some of the soil (and in some embodiments of the present invention, a portion of the roots of the plan) is exposed to the air flowing in the vicinity of the plant pot 15.
  • the plant put may includes a wire mesh or a plastic mesh, for example.
  • the microorganisms living in the plant's roots and soil help break down pollutants into safer compounds, as delineated in a report publicly available in the NASA archives called " INTERIOR LANDSCAPE PLANTS FOR INDOOR AIR POLLUTION ABATEMENT" written by B.C. Wolverton, Anne Johnson, and Keith Bounds on September 5, 1989 , document ID 19930073077, accession number N93-70524, report number NASA-TM-101766, NAS 1.15:101766.
  • the plant may include English Ivy, Golden Pothos, Peace Lilly, Chinese Evergreen, Bamboo Palm, and Janet Craig.
  • plants are known to break down pollutants like formaldehyde, trichloroethylene, and benzene, for example.
  • Other plants that are know to break down some pollutants may includes ficus elastic, chlorophytum amaniense, chlorophyttum comosum, anthurium andraenum, chrysalidocarpus lutescens, nephrolepis exaltata, jasminum, spathuphyllum, aglaonema.
  • the fan 30 is powerful enough to drive at least some air into the plant pot 15 and out of the plant pot 15, when the plant pot 15 is filled with soil and contains a plant. This increases contact between the air with the soil and the plant's roots and therefore enhances biochemical filtration.
  • the rotation speed of the blades of the fan 30 is adjustable according to the need for pollution removal and/or dehumidification. For example, the rotation speed may be selectable among a predetermined number of speeds, such as three, four, five, or more. The faster the rotation of the blades of the fan 30, the more air goes through the air purifier.
  • the fan is powerful enough to drive air from above the soil in the plant pot 15 into the plant pot 15 and out of the bottom of the plant pot 15.
  • a kit is provided, including the air purifier 1 and the soil to be placed in the plant pot.
  • the soil may contain activated charcoal.
  • activated charcoal in the soil provides physical filtering while the soil (along with the plant roots within) provides biochemical filtering.
  • the kit includes one or more seeds of the plant. The seeds are configured to be placed in the soil and grow into the plant.
  • the dehumidifier 105 is an active dehumidifier (i.e., needs to be activated to operate) and is activated when air humidity is higher than a certain threshold.
  • the air purifier apparatus 1 may include at least one air status sensor 8 disposed upstream of the dehumidifier 105 and which may be located in the housing 2 or outside the housing 2.
  • the air status sensor 8 is configured to measure a humidity of the air either inside the housing or outside the housing (depending on the location of the air status sensor 8), to activate the dehumidifier 105 when the measured humidity of the air is above a first threshold, and to deactivate the dehumidifier 105 when the when the measured humidity falls below a second threshold.
  • the first threshold and the second threshold are equal to each other.
  • the first threshold is higher than the second threshold. Therefore, the dehumidification only occurs when the humidity level in the air is higher than desired.
  • the air purification apparatus 1 includes a control unit 165 and is associated with or includes a user interface 11 communicating by wire or wirelessly with the control unit 165.
  • the control unit 165 controls the operation of the different elements of the air purifier. Via the user interface, the user can enter an instruction and/or input a selection that are processed by the control unit 165 and cause the control unit 165 to control the different elements of the air purifier accordingly.
  • the user interface 11 may include a keypad or touch screen joined to the outside of the housing 2, a remote control in wireless communication with the control unit 165, or a smartphone/tablet/computer running machine readable instructions (an application) configured to receive instructions from the user (as described above) and to communicate the user instructions to the control unit 165.
  • the filtered and (if desired) dehumidified air is driven out of the housing 2 by the fan 30 via the air outlet 4 and back into the external environment from which air was taken.
  • a wall 25 separates a proximal portion of the housing 2 in which the air purification filter 20 and the plant pot 15 are located from a distal portion of the housing 2 in which the dehumidifier 105 is located.
  • the fan 30 is installed in an opening of the wall 25 and drives air from the proximal portion of the housing 2 to the distal portion of the housing 2 via the opening in the wall 25.
  • Water extracted by the dehumidifier 105 is collected and circulated by a water circulation system 7 into the plant pot 15 in order to water the soil contained in the plant pot 15. In this manner, the plant in the plant pot 15 is kept watered by water extracted from air, and the user is not required to water the plant as long as enough water is extracted by dehumidifier 105.
  • a water reservoir 35 (described further below) contains a low amount of water. The water level is measured by a water level sensor 12 (as seen in Fig. 11 ), which is designed to measure the water level in the water reservoir.
  • the control unit 165 (which receives sensor data from the water level sensor 12) generates and sends an alert signal to the user interface.
  • the user interface 11 is configured to output a notification to the user to directly water the plant or to add water to a water reservoir 35 (described further below) accessible to the watering system 7, in order to enable the watering system 7 to provide to the plant water according to the requirements of the plant.
  • the control unit stops the generation of the alert signal.
  • the user interface 11 stops outputting the notification.
  • the air purifier apparatus 1 incudes at least one soil moisture sensor 9 configured to measure a soil moisture level in the soil within the plant pot.
  • the water circulation system 7 is activated to circulate water into the plant pot 15, if the soil moisture level falls below a first soil moisture level threshold, and is deactivated if the soil moisture level rises above a second soil moisture level threshold.
  • the air purifier 1 includes one or more UV light emitters 16 configured for illuminating the air in the air purifier 1.
  • UV light is known to kill certain microbes.
  • the UV light emitters may be, for example, in the space between the inlet 3 and the air purification filter 20, or in the space between the air purification filter 20 and the fan 30.
  • Fig. 2 is a plan view of an air purifier 201 with a housing divided into three chambers, according some embodiments of the present invention.
  • Fig. 3 is a front view of the air purifier of Fig. 1 or Fig. 2 , according to some embodiments of the present invention.
  • Fig. 4 is a side view of the air purifier of Fig. 1 or Fig. 2 , according to some embodiments of the present invention.
  • Fig. 5 is an exploded view of the air purifier 201 of Fig. 2 , according to some embodiments of the present invention.
  • Fig. 7 is a view of the air purifier 201 of Fig. 2 without the perforated lid and the compact lid, according to some embodiments of the present invention.
  • Fig. 8 is a view of the air purifier of the air purifier 201 of Fig. 2 without the perforated lid, according to some embodiments of the present invention.
  • Fig. 3 is a front view of the air purifier of Fig. 1 or Fig. 2 , according to some embodiments of the present invention.
  • Fig. 4 is a side view of the air purifier of Fig.
  • the air purifier apparatus 201 of Fig. 2 has the same features as the air purifier apparatus 1 of Fig. 1 .
  • the air purifier apparatus 201 of Fig. 2 has features that are more detailed variants of the features described in the air purifier apparatus 1 of Fig. 1 .
  • the watering system also includes an input pipe 90, a water pump 85, and an output tube 60.
  • the input pipe 90 has an inlet 145 inside the water reserve 35 and is connected to the water pump 85, so that when the water pump is in operation water from the reservoir 35 is drawn into the input pipe 90 via the inlet 145 and brought into the water pump 85.
  • the output tube 60 is connected to the water pump 85 and configured to receive water from the water pump 85. The water is driven though the output tube 60 by the water pump 85 and into a region 55 in the vicinity of the plant pot 15. In the region 55, the tube 60 has one or more outlets configured to direct water flowing in the tube 60 into the plant pot, to water the soil and the plant located therein.
  • the filtering of the air and the dehumidifying of the air are two independent steps, as the filtered air is not driven by the fan 30 to the cold plate 105a of the dehumidifier.
  • the dehumidification of air is not driven by the fan 30, but occurs via the natural circulation of air in and out of the rear chamber 2c via the air exchange perforations 402.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Human Computer Interaction (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
EP21020059.8A 2021-02-06 2021-02-06 Appareil purificateur d'air Pending EP4040055A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21020059.8A EP4040055A1 (fr) 2021-02-06 2021-02-06 Appareil purificateur d'air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21020059.8A EP4040055A1 (fr) 2021-02-06 2021-02-06 Appareil purificateur d'air

Publications (1)

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EP4040055A1 true EP4040055A1 (fr) 2022-08-10

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EP21020059.8A Pending EP4040055A1 (fr) 2021-02-06 2021-02-06 Appareil purificateur d'air

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6006471A (en) * 1998-05-07 1999-12-28 Sun; En-Jang Air-cleaning ecosystem apparatus
DE19731167A1 (de) * 1996-04-26 2000-05-04 Hubert K Block Biologischer Raumlüfter und Raumluftfilter
WO2010017577A1 (fr) * 2008-08-09 2010-02-18 Senviro Pty Ltd Système de gestion de l'eau
WO2011115806A2 (fr) * 2010-03-16 2011-09-22 Martin Mittelmark Appareil à enceinte d'épuration de l'air par des plantes et procédé
CN106857070A (zh) * 2017-02-27 2017-06-20 王军 一种辅助生长的植物盆
CN106900497A (zh) * 2017-03-20 2017-06-30 李良杰 智能自动浇水花盆架
CN108469081A (zh) * 2018-04-03 2018-08-31 杭州杰高环保科技有限公司 一种集立体绿化、空气净化为一体的新风系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19731167A1 (de) * 1996-04-26 2000-05-04 Hubert K Block Biologischer Raumlüfter und Raumluftfilter
US6006471A (en) * 1998-05-07 1999-12-28 Sun; En-Jang Air-cleaning ecosystem apparatus
WO2010017577A1 (fr) * 2008-08-09 2010-02-18 Senviro Pty Ltd Système de gestion de l'eau
WO2011115806A2 (fr) * 2010-03-16 2011-09-22 Martin Mittelmark Appareil à enceinte d'épuration de l'air par des plantes et procédé
CN106857070A (zh) * 2017-02-27 2017-06-20 王军 一种辅助生长的植物盆
CN106900497A (zh) * 2017-03-20 2017-06-30 李良杰 智能自动浇水花盆架
CN108469081A (zh) * 2018-04-03 2018-08-31 杭州杰高环保科技有限公司 一种集立体绿化、空气净化为一体的新风系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
B.C. WOLVERTONANNE JOHNSONKEITH BOUNDS, INTERIOR LANDSCAPE PLANTS FOR INDOOR AIR POLLUTION ABATEMENT, 5 September 1989 (1989-09-05)

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