WO2019095867A1 - Humidification device - Google Patents

Humidification device Download PDF

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Publication number
WO2019095867A1
WO2019095867A1 PCT/CN2018/107879 CN2018107879W WO2019095867A1 WO 2019095867 A1 WO2019095867 A1 WO 2019095867A1 CN 2018107879 W CN2018107879 W CN 2018107879W WO 2019095867 A1 WO2019095867 A1 WO 2019095867A1
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Prior art keywords
water
humidifying
air
humidification
collecting
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PCT/CN2018/107879
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French (fr)
Chinese (zh)
Inventor
王宁
李绪超
胡家航
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青岛海尔空调器有限总公司
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Priority to CN201711157544.9 priority Critical
Priority to CN201711157544.9A priority patent/CN107906656A/en
Application filed by 青岛海尔空调器有限总公司 filed Critical 青岛海尔空调器有限总公司
Publication of WO2019095867A1 publication Critical patent/WO2019095867A1/en

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00Air-humidification, e.g. cooling by humidification
    • F24F6/02Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/08Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
    • F24F6/10Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically

Abstract

A humidification device comprises a water collection portion (1), a humidification portion (2), and a water conveying portion (3). The water collection portion (1) is provided with a water molecule osmosis membrane (4). Water molecules in the air can enter the water collection portion (1) through the water molecule osmosis membrane (4), and is stored. The water conveying portion (3) is used for conveying the water in the water collection portion (1) to the humidification portion (2). The humidification portion (2) is used for vaporizing the water conveyed by the water conveying portion (3) into water vapors, so as to humidify the air. The water collection portion (1) collects water from the air, water does not need to be manually added, and the water molecule osmosis membrane (4) has the function of selectively permeating water molecules instead of nitrogen, oxygen and other substances, so that the effect for automatically purifying water molecules is achieved, and the generation of water scale is reduced.

Description

加湿装置Humidification device 技术领域Technical field
本发明属于加湿技术领域,具体涉及一种加湿装置。The invention belongs to the field of humidification technology, and in particular relates to a humidification device.
背景技术Background technique
现有家用加湿器的常见类型为电热式加湿器、超声波加湿器等。其中,电热式加湿器一般根据电流通过电阻产生热,电能转换成热能的原理,电加热管浸没在水中,电热管产生热量,从而使水沸腾变成水蒸汽;超声波加湿器一般采用超声波方式将水雾化,并通过风机将雾化的水汽吹出壳体,从而达到加湿空气的效果。普通家用加湿器的缺点有:(1)需要及时加水,不断提供水源,步骤繁琐,有一定局限性;(2)加热式加湿器需要将电加热管浸没在水中,安全系数小,加热器易结垢损坏,且超声波较振子容易损坏,产生辐射对身体有一定影响;(3)不能过滤加湿水中的杂质,容易造成空气污染,影响身体健康;(4)耗电量大,夏秋高温季节易造成控湿与控温的矛盾。The common types of existing household humidifiers are electrothermal humidifiers, ultrasonic humidifiers, and the like. Among them, the electric humidifier generally generates heat according to electric current, and the electric energy is converted into heat energy. The electric heating tube is immersed in water, and the electric heating tube generates heat, so that the water boils into water vapor; the ultrasonic humidifier generally adopts ultrasonic method. The water is atomized, and the atomized water vapor is blown out of the casing by the fan to achieve the effect of humidifying the air. The disadvantages of ordinary household humidifiers are: (1) need to add water in time, continuously provide water source, the steps are cumbersome and have certain limitations; (2) heating humidifier needs to immerse the electric heating tube in water, the safety factor is small, the heater is easy The scale is damaged, and the ultrasonic wave is easy to damage compared with the vibrator, and the radiation has certain influence on the body; (3) the impurities in the humidified water cannot be filtered, which may cause air pollution and affect the health of the body; (4) The power consumption is large, and the summer and autumn high temperature seasons are easy. Causes contradiction between humidity control and temperature control.
申请号为CN201611192796.0的在先申请,公开了一种基于石墨烯/纳米高分子复合材料的无水加湿装置及无水加湿方法。在该专利申请中,主要利用纳米高分子复合材料来吸附空气中的气态水分子,但是其采用的结构是直接将吸附到的水分子输送至加湿区。也就是说,该专利申请工作时必须配合“高湿度空气进气口”来保证水分子的供应。这对其实施的要求比较高,一旦室内和室外均处于干燥状态,则很难实现对室内的加湿效果。此外,该加湿装置为了保证足够的供水量,需要设置蓄湿区以及在蓄湿区设置多个透水膜组件,部件数量较多,导致整个加湿装置的体积较大,成本较高。The prior application of the application No. CN201611192796.0 discloses an anhydrous humidifying device based on graphene/nanopolymer composite material and a waterless humidifying method. In this patent application, a nano-polymer composite material is mainly used to adsorb gaseous water molecules in the air, but the structure adopted is to directly transport the adsorbed water molecules to the humidification zone. That is to say, the patent application must work with the "high humidity air inlet" to ensure the supply of water molecules. This requires a relatively high implementation of the requirements, once the indoor and outdoor are dry, it is difficult to achieve indoor humidification effect. In addition, in order to ensure a sufficient amount of water supply, the humidifying device needs to provide a humidifying zone and a plurality of water-permeable membrane modules in the humidifying zone, and the number of components is large, resulting in a larger volume and a higher cost of the entire humidifying device.
因此,本发明提出一种新的加湿装置来解决上述问题。Accordingly, the present invention proposes a new humidifying device to solve the above problems.
发明内容Summary of the invention
为了解决现有技术中的上述问题,即为了解决现有的无水加湿装置结构繁琐,适用性受限制的问题,本发明提出了一种加湿装置,所述加湿装置包括集水部、加湿部和输水部;所述集水部设置有 水分子渗透膜,空气中的水分子能够经由所述水分子渗透膜进入所述集水部储存;所述输水部用于将所述集水部的水分输送至所述加湿部;所述加湿部用于使所述输水部送来的水分气化为水蒸气,以对空气进行加湿。In order to solve the above problems in the prior art, in order to solve the problem that the structure of the conventional waterless humidifying device is cumbersome and the applicability is limited, the present invention proposes a humidifying device, which includes a water collecting portion and a humidifying portion. And a water delivery portion; the water collecting portion is provided with a water molecule permeable membrane through which water molecules in the air can be stored through the water molecule permeable membrane; the water delivery portion is used to collect the water The moisture in the portion is sent to the humidifying portion, and the humidifying portion is configured to vaporize the water sent from the water transferring portion into water vapor to humidify the air.
在上述加湿装置的优选实施方式中,所述集水部包括壳体以及在所述壳体内形成的容纳腔,所述水分子渗透膜设置于所述壳体的内表面;所述容纳腔的底部为盛水区,空气中的水分子经过所述水分子渗透膜后,形成的液态水存储于所述盛水区。In a preferred embodiment of the humidification device, the water collecting portion includes a casing and a receiving cavity formed in the casing, the water molecule permeable membrane being disposed on an inner surface of the casing; The bottom is a water-storing area, and water molecules in the air pass through the water molecules to permeate the film, and the liquid water formed is stored in the water-storing area.
在上述加湿装置的优选实施方式中,所述容纳腔的上部为集水区;所述壳体与所述集水区对应的区域设置为网状,以便空气中的水分子经过所述水分子渗透膜。In a preferred embodiment of the humidifying device, the upper portion of the receiving chamber is a water collecting area; the area corresponding to the water collecting area is arranged in a mesh shape, so that water molecules in the air pass through the water molecules. Penetration membrane.
在上述加湿装置的优选实施方式中,所述网状结构的壳体设置为能够过滤大分子物质的过滤网。In a preferred embodiment of the above humidification device, the housing of the mesh structure is provided as a filter capable of filtering macromolecular substances.
在上述加湿装置的优选实施方式中,所述输水部包括连通所述集水部与所述加湿部的输水管、以及设置于所述输水管上的泵。In a preferred embodiment of the humidifier, the water delivery portion includes a water conduit that communicates the water collecting portion and the humidifying portion, and a pump that is disposed on the water conduit.
在上述加湿装置的优选实施方式中,所述加湿部设置有辅热模块,所述辅热模块用于将所述输水部输送来的水分气化为水蒸气。In a preferred embodiment of the humidification device, the humidification unit is provided with an auxiliary heat module for vaporizing water transported by the water delivery unit into water vapor.
在上述加湿装置的优选实施方式中,所述水分子渗透膜采用纳米复合材料。In a preferred embodiment of the above humidifying device, the water molecule permeable membrane is made of a nanocomposite material.
在上述加湿装置的优选实施方式中,所述集水部位于室外,所述加湿部位于室内。In a preferred embodiment of the humidifying device, the water collecting portion is located outdoors, and the humidifying portion is located indoors.
在上述加湿装置的优选实施方式中,所述加湿装置应用于空调器;并且/或者所述加湿装置集成于空调器。In a preferred embodiment of the above humidification device, the humidification device is applied to an air conditioner; and/or the humidification device is integrated in an air conditioner.
在本发明的技术方案中,通过集水部从空气中汲取水分,无需人工加水,且水分子渗透膜具有选择性透过水分子而非氮氧等其他物体的功能,达到自动净化水分子作用,减少水垢的产生。在一种优选的实施方式中,输水部利用泵来输送水分,可以造成集水部内部的低压状态,从而加速空气中的水分子通过水分子渗透膜。本发明的加湿装置结构简单,便于推广,尤其在应用于空调器时,使得空调器在制冷或制热的同时,增加空气湿度条件,净化室内空气。In the technical solution of the present invention, water is extracted from the air through the water collecting portion, and no water is added manually, and the water molecular permeable membrane has the function of selectively permeating water molecules instead of other objects such as nitrogen and oxygen, thereby achieving automatic purification of water molecules. To reduce the generation of scale. In a preferred embodiment, the water delivery portion uses a pump to deliver moisture, which can cause a low pressure state inside the water collection portion, thereby accelerating the passage of water molecules in the air through the water molecules. The humidification device of the invention has the advantages of simple structure and convenient promotion, especially when applied to an air conditioner, so that the air conditioner increases air humidity conditions and purifies indoor air while cooling or heating.
附图说明DRAWINGS
图1是本发明的加湿装置的立体结构示意图;Figure 1 is a perspective view showing the structure of a humidifying device of the present invention;
图2是本发明的加湿装置的剖视图。Figure 2 is a cross-sectional view of the humidification device of the present invention.
具体实施方式Detailed ways
为使本发明的实施例目的、技术方案和优点更加明显,下面将结合附图对本发明的技术方案进行清楚、完整地描述,显然,所述描述的实施例是本发明的一部分实施例,而不是全部实施例。本领域技术人员应当理解的是,这些实施方式仅仅用于解释本发明的技术原理,并非旨在限制本发明的保护范围。例如,尽管附图中的各个构件以特定比例绘制,但是这种比例关系仅仅是示例性的,本领域技术人员可以根据需要对其作出调整,以便适应具体的应用场合。The embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings, in which Not all embodiments. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the scope of the present invention. For example, although the various components in the figures are drawn to a particular scale, such proportional relationships are merely exemplary and can be adjusted as needed by those skilled in the art to adapt to a particular application.
参照图1和图2,图1是本发明的加湿装置的立体结构示意图;图2是本发明的加湿装置的剖视图。如图1和图2所示,本发明的加湿装置包括集水部1、加湿部2和输水部3。1 and 2, FIG. 1 is a schematic perspective view of a humidifying device of the present invention; and FIG. 2 is a cross-sectional view of the humidifying device of the present invention. As shown in FIGS. 1 and 2, the humidifying device of the present invention includes a water collecting portion 1, a humidifying portion 2, and a water transferring portion 3.
其中,集水部1设置有水分子渗透膜4(该水分子渗透膜可以采用纳米复合材料),空气中的水分子能够经过水分子渗透膜4进入集水部1储存。具体而言,集水部1包括壳体11、以及在壳体11内形成的容纳腔12,水分子渗透膜设置于壳体11的内表面。容纳腔12的底部为盛水区,从图1和图2可以看出,盛水区对应的壳体区域为不带网孔的挡板。容纳腔12的上部为集水区,集水区对应的壳体上的区域具有网状结构,以便于空气中的水分子经由水分子渗透膜4,进而形成液态水存储于盛水区。该网状结构可以过滤空气中的大分子物质,起到保护水分子渗透膜4的作用。该集水部1结构简单,使用过程中,使集水部1长期置于室外环境,可以使盛水区积累足够的水量,以供室内加湿。此外,该集水部1还可以设置一排水管(图中为示出),当盛水区积累的水量超出限定量时,使超出部分从排水管排出。The water collecting portion 1 is provided with a water molecule permeable membrane 4 (the water molecular permeable membrane may be a nanocomposite material), and water molecules in the air can enter the water collecting portion 1 through the water molecule permeable membrane 4 to be stored. Specifically, the water collecting portion 1 includes a housing 11 and a housing chamber 12 formed in the housing 11, and a water molecule permeable membrane is disposed on an inner surface of the housing 11. The bottom of the accommodating chamber 12 is a water holding area. As can be seen from FIG. 1 and FIG. 2, the corresponding housing area of the water holding area is a baffle without a mesh. The upper part of the accommodating chamber 12 is a water collecting area, and the area on the corresponding casing of the water collecting area has a network structure, so that water molecules in the air permeate the membrane 4 through the water molecules, thereby forming liquid water to be stored in the water holding area. The network structure can filter macromolecular substances in the air and protect the water molecules from permeable to the membrane 4. The water collecting portion 1 has a simple structure, and the water collecting portion 1 is placed in an outdoor environment for a long period of time during use, so that a sufficient amount of water can be accumulated in the water holding area for humidification in the room. Further, the water collecting portion 1 may further be provided with a drain pipe (shown in the drawing) for discharging the excess portion from the drain pipe when the amount of water accumulated in the water holding region exceeds a defined amount.
继续参照图1和图2,输水部3用于将集水部1的水分输送至加湿部2。在一种可能的实施方式中,输水部3包括连通集水部1与加湿部2的输水管31、以及设置于输水管31上的泵32。泵22启动后,集水部1的水分沿输水管31进入加湿部2。在集水部1的水分被输送至加湿部2后,集水部1内部的产生低压状态,更利于外界空气向集水部1内部流动,进而加快水分的积攒速度。1 and 2, the water delivery unit 3 is for conveying the moisture of the water collecting unit 1 to the humidifying unit 2. In a possible embodiment, the water delivery portion 3 includes a water delivery pipe 31 that connects the water collection portion 1 and the humidification portion 2, and a pump 32 that is disposed on the water delivery pipe 31. After the pump 22 is started, the moisture of the water collecting portion 1 enters the humidifying portion 2 along the water pipe 31. When the moisture in the water collecting unit 1 is sent to the humidifying unit 2, a low pressure state is generated inside the water collecting unit 1, which is more advantageous for the outside air to flow into the inside of the water collecting unit 1, thereby accelerating the water accumulation speed.
加湿部2用于使输水部3送来的水分气化为水蒸气,以对空气进行加湿。具体而言,加湿部2设置有辅热模块21(如电热丝),当水分进入加湿部2后,辅热模块21散出的热量将水分气化为水蒸气。优选地,可以在该加湿部2设置送风结构(图中未示出),用于将气化后的水蒸气送入室内,达到加湿的目的。The humidifying unit 2 is for vaporizing the water sent from the water delivery unit 3 into water vapor to humidify the air. Specifically, the humidifying unit 2 is provided with an auxiliary heat module 21 (for example, a heating wire). When moisture enters the humidifying unit 2, the heat radiated from the auxiliary heat module 21 vaporizes the water into water vapor. Preferably, a blowing structure (not shown) may be disposed in the humidifying portion 2 for feeding the vaporized vapor into the room for humidification.
如上所述,本发明的加湿装置在使用时,优选为集水部1长期置于室外,加湿部2则置于室内。还需要指出的是,虽然上述实施例中给出了集水部1和加湿部2的具体结构,但是,集水部1和加湿部2的具体结构理论上可以设置为任意形式,本领域技术人员可以根据具体的使用场景设计合适的结构。As described above, when the humidifying device of the present invention is used, it is preferable that the water collecting portion 1 is placed outdoors for a long period of time, and the humidifying portion 2 is placed indoors. It should be noted that although the specific structure of the water collecting portion 1 and the humidifying portion 2 is given in the above embodiment, the specific structure of the water collecting portion 1 and the humidifying portion 2 may be theoretically set to any form, and the art Personnel can design the appropriate structure according to the specific use scenario.
采用纳米复合材料的水分子渗透膜4,其亲水区与水分子形成穿透膜的快速水分子转移通道,从而选择性透过水分子。这样不仅可以实现从空气中汲取水分的目的,还能够实现对水分净化过滤作用,从而能够避免积垢产生,抑制真菌滋生。并且,本发明的加湿装置结构简单,主要依靠泵及辅热模块的功能完成室内的加湿,能耗低,无辐射。The water permeable membrane 4 using the nanocomposite has a hydrophilic region and a water molecule forming a rapid water molecule transfer channel penetrating the membrane to selectively permeate the water molecules. This not only achieves the purpose of extracting moisture from the air, but also achieves the effect of purifying and purifying the water, thereby preventing the occurrence of scale and inhibiting the growth of fungi. Moreover, the humidification device of the present invention has a simple structure, and mainly relies on the functions of the pump and the auxiliary heat module to complete indoor humidification, low energy consumption, and no radiation.
在本发明的一种优选实施方式中,本发明的加湿装置应用于空调器。举例而言,可以将集水部1集成于空调器的室外机,或者将集水部1固定于空调器室外机的外壳;还可以将加湿部2集成于空调器的室内机(例如可以将室内换热器作为辅热模块21),或者将加湿部2独立于室内机设置于室内等等。本发明的加湿装置应用于空调器后,使得空调器在制冷或制热的同时,增加空气湿度条件,净化室内空气。In a preferred embodiment of the invention, the humidifying device of the invention is applied to an air conditioner. For example, the water collecting unit 1 may be integrated into the outdoor unit of the air conditioner, or the water collecting unit 1 may be fixed to the outer casing of the outdoor unit of the air conditioner; and the humidifying unit 2 may be integrated into the indoor unit of the air conditioner (for example, The indoor heat exchanger serves as the auxiliary heat module 21), or the humidifying unit 2 is installed indoors or the like independently of the indoor unit. The humidifying device of the present invention is applied to an air conditioner, so that the air conditioner increases air humidity conditions and purifies indoor air while cooling or heating.
至此,已经结合附图所示的优选实施方式描述了本发明的技术方案,但是,本领域技术人员容易理解的是,本发明的保护范围显然不局限于这些具体实施方式。在不偏离本发明的原理的前提下,本领域技术人员可以对相关技术特征作出等同的更改或替换,这些更改或替换之后的技术方案都将落入本发明的保护范围之内。Heretofore, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings, but it is obvious to those skilled in the art that the scope of the present invention is obviously not limited to the specific embodiments. Those skilled in the art can make equivalent changes or substitutions to the related technical features without departing from the principles of the present invention, and the technical solutions after the modifications or replacements fall within the scope of the present invention.

Claims (9)

  1. 一种加湿装置,其特征在于,所述加湿装置包括集水部、加湿部和输水部;A humidifying device, characterized in that the humidifying device comprises a water collecting portion, a humidifying portion and a water receiving portion;
    所述集水部设置有水分子渗透膜,空气中的水分子能够经由所述水分子渗透膜进入所述集水部储存;The water collecting portion is provided with a water molecule permeable membrane, and water molecules in the air can be stored into the water collecting portion via the water molecule permeable membrane;
    所述输水部用于将所述集水部的水分输送至所述加湿部;The water delivery portion is configured to transport moisture of the water collecting portion to the humidifying portion;
    所述加湿部用于使所述输水部送来的水分气化为水蒸气,以对空气进行加湿。The humidifying unit is configured to vaporize water sent from the water delivery unit into water vapor to humidify the air.
  2. 根据权利要求1所述的加湿装置,其特征在于,所述集水部包括壳体以及在所述壳体内形成的容纳腔,所述水分子渗透膜设置于所述壳体的内表面;The humidification device according to claim 1, wherein the water collecting portion comprises a casing and a receiving cavity formed in the casing, and the water molecule permeable membrane is disposed on an inner surface of the casing;
    所述容纳腔的底部为盛水区,空气中的水分子经过所述水分子渗透膜后,形成的液态水存储于所述盛水区。The bottom of the accommodating chamber is a water holding area, and liquid water formed in the air passes through the permeable membrane of the water molecules, and the formed liquid water is stored in the water holding area.
  3. 根据权利要求2所述的加湿装置,其特征在于,所述容纳腔的上部为集水区;The humidification device according to claim 2, wherein the upper portion of the accommodating chamber is a catchment area;
    所述壳体与所述集水区对应的区域设置为网状,以便空气中的水分子经过所述水分子渗透膜。The region of the casing corresponding to the water collecting zone is arranged in a mesh shape so that water molecules in the air pass through the water molecule permeable membrane.
  4. 根据权利要求3所述的加湿装置,其特征在于,所述网状结构的壳体设置为能够过滤大分子物质的过滤网。The humidifying device according to claim 3, wherein the casing of the mesh structure is provided as a filter capable of filtering macromolecular substances.
  5. 根据权利要求1所述的加湿装置,其特征在于,所述输水部包括连通所述集水部与所述加湿部的输水管、以及设置于所述输水管上的泵。The humidifier according to claim 1, wherein the water delivery portion includes a water conduit that communicates the water collecting portion and the humidifying portion, and a pump that is disposed on the water conduit.
  6. 根据权利要求1所述的加湿装置,其特征在于,所述加湿部设置有辅热模块,所述辅热模块用于将所述输水部输送来的水分气化为水蒸气。The humidifier according to claim 1, wherein the humidifying unit is provided with an auxiliary heat module for vaporizing water transported by the water transfer unit into water vapor.
  7. 根据权利要求1至6中任一项所述的加湿装置,其特征在于,所述水分子渗透膜采用纳米复合材料。The humidifying device according to any one of claims 1 to 6, wherein the water molecule permeable membrane is made of a nanocomposite material.
  8. 根据权利要求1至6中任一项所述的加湿装置,其特征在于,所述集水部位于室外,所述加湿部位于室内。The humidifier according to any one of claims 1 to 6, wherein the water collecting portion is located outdoors, and the humidifying portion is located indoors.
  9. 根据权利要求1至8中任一项所述的加湿装置,其特征在于,所述加湿装置应用于空调器;并且/或者The humidifying device according to any one of claims 1 to 8, wherein the humidifying device is applied to an air conditioner; and/or
    所述加湿装置集成于空调器。The humidifying device is integrated in the air conditioner.
PCT/CN2018/107879 2017-11-20 2018-09-27 Humidification device WO2019095867A1 (en)

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