WO2023020376A1 - Dispositif de purification d'air, ensemble de purification et module d'humidification de celui-ci - Google Patents

Dispositif de purification d'air, ensemble de purification et module d'humidification de celui-ci Download PDF

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Publication number
WO2023020376A1
WO2023020376A1 PCT/CN2022/112037 CN2022112037W WO2023020376A1 WO 2023020376 A1 WO2023020376 A1 WO 2023020376A1 CN 2022112037 W CN2022112037 W CN 2022112037W WO 2023020376 A1 WO2023020376 A1 WO 2023020376A1
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WO
WIPO (PCT)
Prior art keywords
flow channel
water tank
water
humidification
layer
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.)
Ceased
Application number
PCT/CN2022/112037
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English (en)
Chinese (zh)
Inventor
刘彦安
李瑞菲
高亭
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.)
Ecovacs Robotics Suzhou Co Ltd
Original Assignee
Ecovacs Robotics Suzhou Co Ltd
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 Ecovacs Robotics Suzhou Co Ltd filed Critical Ecovacs Robotics Suzhou Co Ltd
Publication of WO2023020376A1 publication Critical patent/WO2023020376A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • 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
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements

Definitions

  • the present application relates to the field of air purification, in particular to an air purification device, its purification component and a humidification module.
  • Air purification equipment is used to absorb, decompose or transform various air pollutants, which can significantly improve air quality, so the application of air purification equipment is becoming more and more common.
  • the existing air purification equipment has a single function, and the purification effect that can be played is limited.
  • Various aspects of the present application provide an air purification device, its purification component and humidification module, which can simultaneously achieve the purpose of air humidification and repurification, and solve the problem of limited air purification effect of existing equipment.
  • An embodiment of the present application provides an air purification device, including a host and a purification component.
  • the purification assembly is detachably arranged on the host, and includes a filter module and a humidification module.
  • the filter screen of the filter module surrounds the periphery of the humidification module, wherein the humidification module is provided with flow channels, and the
  • the humidification module includes: a water tank, provided with a water outlet and a water inlet, respectively connected to the flow channel; a humidifier, including a humidification layer, the humidification layer corresponds to the filter screen, and is in contact with the flow channel; And a pump assembly, connected to the water tank, used to pump the liquid in the water tank to the water outlet, the liquid circulates in the flow channel through the water outlet, wets the humidification layer, and flows from the inlet Water flows back into the tank.
  • the humidifier is arranged on the water tank, and the flow channel is arranged around the humidifier and the water tank.
  • the flow channel is formed on the top of the water tank, and the water outlet and the water inlet are respectively formed on the flow channel on two opposite sides of the water tank.
  • the water outlet protrudes from the surface of the flow channel, and the inner diameter of the water inlet tapers toward the direction of being concave on the surface of the flow channel.
  • the flow channel includes a first flow channel and a second flow channel, the first flow channel is arranged around the humidifier and the water tank, and the second flow channel is arranged around the humidifier
  • there are a plurality of spray holes corresponding to the humidification layer wherein the water outlet is connected to the surface of the second flow channel, the water inlet is connected to the surface of the first flow channel, and the liquid passes through The plurality of spray holes wet the wetting layer and flow back to the water inlet through the first channel.
  • the flow channel is arranged obliquely along a side of the water outlet facing the water inlet.
  • the water inlet is provided with a backflow stop valve.
  • the humidification module further includes a bracket, the outer surface of the bracket is provided with a locking part, the bracket is arranged on the water tank, the humidification layer is arranged around the outer surface, and passes through the The locking part is fastened on the flow channel.
  • the embodiment of the present application further provides an air purification device, including a main unit and a detachable humidifying module arranged on the main unit.
  • the humidification module includes: a water tank, a flow channel is provided on the top, and a water outlet and a water inlet are provided on opposite sides of the flow channel; a humidifier, including a humidifying layer, is arranged on the flow channel; and a pump assembly is connected to the
  • the water tank is used to extract the liquid in the water tank to the water outlet, the liquid circulates in the flow channel through the water outlet, wets the humidification layer, and flows back from the inlet water to the water tank Inside.
  • the humidification module further includes a bracket, the outer surface of the bracket is provided with a locking part, the humidification layer is arranged around the outer surface, and is fastened to the flow channel through the locking part .
  • the embodiment of the present application also provides a purification assembly, including a filter module and a humidification module, the filter of the filter module surrounds the periphery of the humidification module, and the humidification module includes: a water tank, a flow channel is arranged around the top, and A water outlet and a water inlet are arranged at intervals on the flow channel; a humidifier is arranged on the top of the water tank, and the humidifying layer of the humidifier corresponds to the filter screen and is in contact with the flow channel; and a pump assembly , connected to the water tank for pumping the liquid in the water tank to the water outlet, the liquid circulates in the flow channel through the water outlet, wets the humidification layer, and flows back from the inlet water to the inside the tank.
  • a purification assembly including a filter module and a humidification module, the filter of the filter module surrounds the periphery of the humidification module, and the humidification module includes: a water tank, a flow channel is arranged around the top, and A water outlet
  • the embodiment of the present application also provides a humidification module, including: a water tank, provided with a water outlet and a water inlet, respectively connected to the flow channel; a humidifier, including a humidification layer, the humidification layer corresponds to the filter, and and the pump assembly, connected to the water tank, for pumping the liquid in the water tank to the water outlet, and the liquid circulates in the flow channel through the water outlet to wet the Humidification layer, and return water from the inlet to the tank.
  • a humidification module including: a water tank, provided with a water outlet and a water inlet, respectively connected to the flow channel; a humidifier, including a humidification layer, the humidification layer corresponds to the filter, and and the pump assembly, connected to the water tank, for pumping the liquid in the water tank to the water outlet, and the liquid circulates in the flow channel through the water outlet to wet the Humidification layer, and return water from the inlet to the tank.
  • the humidifier is arranged on the water tank, the flow channel is arranged around the top of the water tank, and the water outlet and the water inlet are respectively formed on the two opposite sides of the water tank. on the runner.
  • the flow channel includes a first flow channel and a second flow channel, the first flow channel is arranged around the top of the water tank, the second flow channel is arranged around the top of the humidifier, and there are A plurality of spray holes corresponding to the humidification layer, wherein the water outlet is connected to the surface of the second flow channel, the water inlet is connected to the surface of the first flow channel, and the liquid passes through the plurality of spray holes The shower hole wets the humidification layer and returns to the water inlet through the first flow channel.
  • the liquid in the water tank can enter the flow channel to soak the humidification layer, and the excess liquid is recycled to the water tank to achieve energy efficiency. Recycling, and after the outside air is purified by the filter module, it can then pass through the infiltrated humidification layer for humidification and second-degree purification procedures to improve the purification efficiency and improve the quality of the filtered air.
  • FIG. 1 is an exploded view of an air purification device according to an embodiment of the present application.
  • FIG. 2 is a cross-sectional view of a purification assembly according to an embodiment of the present application.
  • Fig. 3 is a cross-sectional view of the water tank of the embodiment of the present application.
  • Fig. 4 is a top view of the water tank of the embodiment of the present application.
  • Fig. 5 is a schematic diagram of the use state of the water tank of the embodiment of the present application.
  • FIG. 6 is a schematic diagram of the use state of the purification component of the embodiment of the present application.
  • Fig. 7 is a schematic view of the usage state of the purification assembly according to the embodiment of the present application under another viewing angle.
  • Fig. 8 is a cross-sectional view of a humidification module in another embodiment of the present application.
  • an air purification device 1 which can be a fixed air purification device, a portable air purification device, or can move along a pre-planned path according to the control instructions in the host Self-moving cleaning equipment, etc.
  • the air purification device 1 includes a host 10 and a purification component 20 .
  • the host 10 includes a connected body 110 and a base 120 , and an installation space 130 is provided between the body 110 and the base 120 for accommodating the purification unit 20 .
  • the surface of the base 120 in the installation space 130 is provided with a conductive member, which can be a shrapnel, a contact piece, a terminal, a metal probe or other conductive structures suitable as a power contact, and is used to be installed on the purification assembly 20
  • Corresponding conductive sheets are butted together to provide power to drive the purification assembly 20 to operate.
  • the host 10 is provided with a fan assembly on the side facing the base 120 in the installation space 130 to accelerate the air flow inside and outside the installation space 130 to form a preset air purification path.
  • the motor of the fan assembly drives the fan to rotate, forming a pressure to compress the air, so that the air directly enters the installation space 130 .
  • the purification assembly 20 since the purification assembly 20 is located in front of the air inlet of the fan assembly, the pollutants contained in the external environment (such as fine particles, formaldehyde, volatile organic compounds (VOC), etc.) are pre-purified by the purification assembly 20 It is intercepted and converted into clean air after being filtered, and then discharged to the external environment through the air outlet.
  • pollutants contained in the external environment such as fine particles, formaldehyde, volatile organic compounds (VOC), etc.
  • the purification assembly 20 is detachably combined in the installation space 130 .
  • the purification assembly 20 includes a filter module 210 and a humidification module 220 .
  • the purification component 20 can additionally expand other functional modules (such as a disinfection module or an aromatherapy module, etc.) and increase or decrease functional modules according to usage requirements.
  • the filter module 210 includes a top plate 211 , a bottom plate 212 and a filter screen 213 .
  • An assembly port is provided on the top plate 211 for the humidification module 220 to be arranged in the filter module 210.
  • the filter screen 213 is disposed between the top board 211 and the bottom board 212 , and it may be arranged on the bottom board 212 in the form of a drum, and forms an accommodating space 214 around it.
  • the filter screen 213 may be a single-layer structure or a multi-layer structure, such as a multi-layer structure in which the inner and outer layers are a combination of a high-efficiency air filter (HEPA) and a fabric layer, but it is not limited thereto.
  • HEPA high-efficiency air filter
  • the humidification module 220 can be, but not limited to, detachably arranged in the accommodating space 214 of the filter module 210, so that the filter module 210 and the humidification module 220 are respectively located in the air from outside to inside.
  • the upstream and downstream of the flow path allow the air to pass through the filter screen of the filter module first, then pass through the humidification module, and then be pumped to the external environment by the fan assembly.
  • the humidifying module 220 is in contact with the conductive member on the base 120 through the conductive sheet in the accommodating space 214 to conduct power supply.
  • the humidification module 220 includes a humidifier 221 , a water tank 222 and a pump assembly 223 , and a channel 224 is provided between the humidifier 221 and the water tank 222 for the liquid in the water tank 222 to circulate.
  • the humidifier 221 includes a bracket 2211 and a humidification layer 2212 .
  • the bracket 2211 is arranged on the water tank 222 , which may be a frame corresponding to the surrounding arrangement of the filter screen 213 .
  • the humidifying layer 2212 is composed of moisture-retaining materials, such as a single-layer or multi-layer structure with holes formed by processing materials such as biological fibers (such as pulp), foaming materials, or resins.
  • the humidifying layer 2212 is disposed on the outer surface of the bracket 2211 facing the filter screen 213 .
  • the humidifying layer 2212 may be, but not limited to, arranged around the outer surface of the bracket 2211 and has an annular structure corresponding to the filter screen, so as to obtain the largest area corresponding to the filter screen 213 and the largest area in contact with the air. Therefore, in the embodiment of the present application, the horizontal position of the filter screen in the purification assembly 20 can be, but not limited to, close to the humidifier 221, so that the height of the filter screen 213 and the humidifier 221 are approximately the same, which is beneficial to the overall volume reduction.
  • the top of the bracket 2211 is further provided with an engaging portion 2213 extending outward from the outer surface of the bracket 2211 to buckle the humidifying layer 2212 on the flow channel 224 to avoid slipping.
  • the flow channel 224 can be correspondingly arranged at the bottom of the bracket 2211 or the top of the water tank 222 according to the arrangement direction and form of the filter screen 213 .
  • the channel 224 in the form of a groove is arranged around the top of the water tank 222 as an example for illustration, but it is not limited thereto.
  • the top of the water tank 222 is also provided with a water outlet 2221 and a water inlet 2222, which are respectively formed on the surface in the flow channel 224 and communicate with the flow channel 224.
  • the water outlet 2221 and the water inlet 2222 are respectively located on opposite sides of the top of the water tank 222 , so that a flow path for the liquid to flow from the water outlet 2221 to the water inlet 2222 is formed in the flow channel 224 .
  • the pump assembly 223 is connected to the water tank 222, which can be connected to the liquid in the water tank 222 and the water outlet 2221 through a pipeline, or is arranged in the water tank 222 in the form of a water pump to pump the liquid in the water tank 222 to the water outlet 2221 , so that the liquid can flow into the flow channel 224 from the water outlet 2221, and through the guidance of the flow channel 224, flow back from the water inlet 2222 to the water tank 222 (as shown in FIG. 5 ), so that between the humidifier 221 and the water tank 222 Form a water circulation system.
  • the liquid can flow from the bottom side of the humidifying layer 2212 through physical action. Adsorb upward to the side of the humidifying layer 2212 adjacent to the engaging portion 2213 , so as to wet the entire humidifying layer 2212 .
  • the remaining liquid flows along the flow channel 224 to the water inlet 2222 , and flows back into the water tank 222 , so as to prevent excessive liquid from overflowing from the flow channel 224 .
  • the dry and turbid air from the external environment is guided by the air flow (as shown by the arrows in FIG. 6 and the arrows on the left and right sides in FIG.
  • the filter screen 213 enters the purification assembly 20 to carry out the first purification procedure, for example, remove larger particles of impurities from the air.
  • the purified air is guided by the airflow, contacts and passes through the humidification layer 2212, filters out residual impurities, and carries moisture from the humidification layer 2212 to form clean humidified air.
  • the clean humidified air is continuously guided by the airflow generated by the fan assembly 140 to discharge the clean humidified air to the external environment.
  • the flow channel 224 can be arranged along the water outlet 2221 is inclined toward the side of the water inlet 2222; or selectively set the water outlet 2221 as a nozzle-like structure protruding from the surface of the flow channel 224, so as to prevent the liquid from flowing back into the water tank 222 from the water outlet 2221, and the flow rate of the liquid and flow velocity hindered.
  • the water inlet 2222 can also be selectively set as a funnel-shaped structure whose inner diameter tapers toward the surface of the concave flow channel 224; or a position corresponding to the water inlet 2222 in the water tank 222
  • a backflow stop valve 2223 is also provided to prevent the liquid that has flowed back into the water tank 222 from being poured back into the flow passage 224 from the water inlet 222 .
  • the air purification device can manually start the operation of the humidification module of the purification component, or in the air purification device equipped with a detection module, the detection module can detect the ambient humidity, and let the control unit correspond to the humidity based on the detection result. Start the humidification module operation.
  • the control unit drives the pump assembly to pump the liquid in the water tank to the water outlet, so that the liquid flows out into the flow channel through the water outlet, and flows through the humidifying layer of the humidifier along the flow channel, so that the liquid is adsorbed or absorbed by the humidifying layer .
  • Part of the liquid that is not adsorbed or absorbed by the humidification layer flows toward the water inlet and returns to the water tank.
  • the humidification layer of the humidifier With the continuous supply of liquid, the humidification layer of the humidifier is infiltrated by the liquid in the flow channel.
  • the air purified through the filter passes through the humidification layer, in addition to removing residual impurities through the humidification layer and the liquid adsorbed on the humidification layer to achieve the effect of purification again, it can also carry liquid molecules after passing through the humidification layer.
  • Purified air is filled with water vapor to achieve humidification effect. Finally, the purified humidified air escapes to the external environment driven by the fan assembly, so that the air quality of the external environment is improved.
  • the liquid stored in the water tank can be replaced with other types of liquid besides clean water, such as essential oils with aroma or insect repellants or other materials that help maintain Liquid substances with fresh ambient air, etc., can achieve the effect of fragrant air and improving the air quality in the environment.
  • the flow channel 224 of the humidification module 220 may also be configured in the form of a plurality of secondary flow channels.
  • it consists of a first flow channel 2241 surrounding the top of the water tank 222 and a second flow channel 2242 surrounding the top of the humidifier 221 .
  • the first flow channel 2241 can be correspondingly arranged above the humidification layer 2212 , for example, at the engaging portion 2213 of the bracket 2211 , and a plurality of spray holes 2243 corresponding to the humidification layer 2212 are opened in the first flow channel 2241 .
  • the water inlet 2222 of the water tank 222 is connected to the surface of the first flow channel 2241 , and the water outlet 2221 can be connected to the surface of the second flow channel 2242 through a pipe.
  • the liquid in the water tank 222 is pumped by the pump assembly 223 , flows into the second channel 2242 from the water outlet 2221 , and wets the humidification layer 2212 from top to bottom through the spray hole 2243 .
  • the liquid that is not adsorbed or absorbed by the humidification layer 2212 continuously flows into the first channel 2241 , is guided to the water inlet 2222 , and flows back into the water tank 222 .
  • the water outlet 2221 and the water inlet 2221 of the water tank 222 can be located on the same side or opposite sides of the water tank 222, and neither will hinder the liquid from flowing out from the water outlet 2221 and from the water inlet 2222 back to the water tank 222 within.
  • the pump assembly pumps the liquid in the water tank to the water outlet, so that the liquid flows out into the first flow channel and circulates along the first flow channel. Then flow through the multiple spray holes to the humidification layer of the humidifier, so that the liquid is absorbed or absorbed by the humidification layer. With the continuous supply of liquid, the wetting layer is wetted by the liquid and becomes saturated. The liquid that is not adsorbed or absorbed by the humidification layer continues to flow toward the first flow channel, and flows back into the water tank from the water inlet.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Humidification (AREA)

Abstract

L'invention divulgue un dispositif de purification d'air, et un ensemble de purification et un module d'humidification de celui-ci. Un module de filtration (210) compris par l'ensemble de purification (20) entoure la périphérie du module d'humidification (220). Le module d'humidification (220) comprend un réservoir d'eau (222), une couche d'humidification (2212) et un ensemble pompe (223), un canal d'écoulement (224) étant également ménagé sur le module d'humidification (220). L'ensemble pompe (223) est utilisé pour extraire le liquide du réservoir d'eau (222) et l'amener dans le canal d'écoulement (224) pour mouiller la couche d'humidification (2212). En outre, un excès de liquide peut refluer dans le réservoir d'eau (222) à travers le canal d'écoulement (224), ce qui permet de former un système de circulation d'eau. Après avoir été purifié par le module de filtration (210), de l'air extérieur peut être purifié et humidifié à nouveau au moyen de la couche d'humidification (2212) mouillée, ce qui permet d'obtenir les effets bénéfiques d'une purification et d'une humidification simultanées, et d'augmenter efficacement la qualité de l'air.
PCT/CN2022/112037 2021-08-20 2022-08-12 Dispositif de purification d'air, ensemble de purification et module d'humidification de celui-ci Ceased WO2023020376A1 (fr)

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CN202110961525.1 2021-08-20
CN202110961525.1A CN113739321A (zh) 2021-08-20 2021-08-20 空气净化设备、其净化组件及加湿模块

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WO2023020376A1 true WO2023020376A1 (fr) 2023-02-23

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CN113739321A (zh) * 2021-08-20 2021-12-03 科沃斯机器人股份有限公司 空气净化设备、其净化组件及加湿模块
CN115468249B (zh) * 2022-10-27 2023-03-24 苏州贝昂科技有限公司 喷淋式无雾加湿器

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