WO2017190444A1 - 一种活性炭滤网结构及空气净化器 - Google Patents

一种活性炭滤网结构及空气净化器 Download PDF

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Publication number
WO2017190444A1
WO2017190444A1 PCT/CN2016/095660 CN2016095660W WO2017190444A1 WO 2017190444 A1 WO2017190444 A1 WO 2017190444A1 CN 2016095660 W CN2016095660 W CN 2016095660W WO 2017190444 A1 WO2017190444 A1 WO 2017190444A1
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Prior art keywords
activated carbon
screen
carbon filter
filter screen
filter structure
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PCT/CN2016/095660
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English (en)
French (fr)
Inventor
姚家兴
赵俊
张文东
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东莞市利发爱尔空气净化系统有限公司
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Publication of WO2017190444A1 publication Critical patent/WO2017190444A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055—Carbonaceous material
    • B01D39/2058—Carbonaceous material the material being particulate
    • B01D39/2062—Bonded, e.g. activated carbon blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • 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
    • 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
    • F24F8/15—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 by chemical means
    • F24F8/158—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 by chemical means using active carbon

Definitions

  • the invention relates to the field of air purification, and in particular to an activated carbon filter structure and an air purifier.
  • Air purifiers also known as "air cleaners", air purifiers, purifiers, are capable of adsorbing, decomposing or converting various air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde, etc.). , bacteria, allergens, etc., products that effectively improve air cleanliness, mainly divided into household, commercial, industrial, and building.
  • air pollutants generally including PM2.5, dust, pollen, odor, formaldehyde, etc.
  • bacteria, allergens, etc. products that effectively improve air cleanliness, mainly divided into household, commercial, industrial, and building.
  • air purification technologies include: adsorption technology, negative (positive) ion technology, catalytic technology, photocatalytic technology, superstructure photomineralization technology, HEPA high efficiency filtration technology, electrostatic dust collection technology, etc.; material technology mainly includes: photocatalyst, activated carbon, Synthetic fiber, HEAP high efficiency material, negative ion generator, etc.
  • the existing air purifiers are mostly compounded, that is, a plurality of purification technologies and material media are simultaneously used.
  • the filter structure of the current cylindrical air purifier is usually a barrel structure, but for a relatively small air purifier, the volume of the filter screen is correspondingly reduced, so that the filtering capacity is greatly reduced, and the air is effectively
  • the purification area is also correspondingly reduced, resulting in a technical problem of low purification efficiency.
  • the present invention provides an activated carbon filter structure and an air cleaner.
  • the invention provides an activated carbon filter net structure, comprising a tile-shaped filter screen
  • the tile-shaped filter screen includes an outer filter screen and an inner filter screen
  • the hollow body is used for accommodating activated carbon
  • the tile-shaped filter screen is provided with a connecting member for movably attaching to the inner casing of the air cleaner.
  • the outer screen and the inner screen are in a mating fixed connection.
  • the outer screen and the inner screen each comprise a mesh surface and a skeleton, the mesh surface being attached to the outer surface of the skeleton.
  • the skeleton is a grid structure, and the mesh surface is welded to each other by ultrasonic waves.
  • the bottom of the tile-shaped filter screen is detachably sealed with a curved bottom cover.
  • the connecting member is a snap structure disposed on top of the tile-shaped filter.
  • the two sides of the outer screen and the inner screen are provided with extension edges that are matched with the inner frame of the air cleaner.
  • An air purifier provided by the present invention includes:
  • the inner surface of the cylinder is attached to the activated carbon filter structure through a connecting member;
  • the air changing mechanism is disposed at a top of the cylinder;
  • the filter element is disposed on an inner screen side of the activated carbon filter structure.
  • a body frame is disposed in the cylinder body, and is engaged with the extending edge of the activated carbon filter structure.
  • the activated carbon filter mesh structure is at least two pieces, and is clamped and mounted inside the cylindrical body by the connecting member to form a barrel structure.
  • the present invention has the following advantages:
  • the tile-shaped activated carbon filter can make full use of the internal space of the small-volume air purifier, and increase the effective filtration area of the activated carbon, and the space saved can greatly increase the volume of the HEPA filter of the air purifier to which the activated carbon filter is applied. Thereby improving the purification efficiency.
  • FIG. 1 is a schematic exploded view showing the structure of an activated carbon filter structure according to an embodiment of the present invention
  • FIG. 2 is a schematic overall structural view of an activated carbon filter structure according to an embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional view showing the structure of an air purifier according to an embodiment of the present invention.
  • FIG. 4 is a schematic overall structural view of an air purifier according to an embodiment of the present invention.
  • the illustration shows: tile-shaped filter 1, outer filter 11, inner filter 12, mesh 1a, skeleton 1b, curved bottom cover 13, buckle 14, extension 121, cylinder 31, HEPA filter 32, The air changing mechanism 33 and the activated carbon filter structure 34.
  • the structure of the activated carbon filter and the air purifier provided by the embodiments of the invention solve the problem that the volume of the barrel-type filter of the cylindrical air purifier is relatively small due to the current small volume, so that the volume is correspondingly reduced, so that the filtration The ability is greatly reduced, and the effective air purification area is correspondingly reduced, resulting in a technical problem of low purification efficiency.
  • an embodiment of an activated carbon filter structure provided by an embodiment of the present invention includes:
  • the tile-like filter 1 comprises an outer filter 11 and an inner filter 12;
  • the hollow cavity is used for accommodating activated carbon
  • the tile-shaped filter 1 is provided with a connecting member for movably attaching to the inner casing of the air cleaner.
  • outer filter 11 and the inner filter 12 are fixedly connected to each other, which can be understood
  • the mutual fitting of the outer screen 11 and the inner screen 12 may be a buckle connection between the cover and the box body, or may be a fitting between the outer screen 11 and the inner screen 12 by the flange and the groove. Connection, here is not limited.
  • outer screen 11 and the inner screen 12 each include a mesh surface 1a and a skeleton 1b, and the mesh surface 1a is attached to the outer surface of the skeleton 1b.
  • the skeleton 1b is a grid structure, and is welded to the mesh surface 1a by ultrasonic waves.
  • the grid is a plurality of lattices, and an X shape is arranged in the middle, and the skeleton 1b is designed in one time, at the end point.
  • the X intersection point, the lattice corner point is fixedly connected to the mesh surface 1a by ultrasonic welding.
  • the fixing of the skeleton 1b and the mesh surface 1a may be such that the mesh surface 1a is adhered to the skeleton 1b.
  • the bottom of the tile-shaped filter screen 1 is detachably sealed with a curved bottom cover 13 which is fixedly connected with the tile-shaped filter screen 1 by screws.
  • the detachable design can facilitate the replacement of the activated carbon.
  • the bottom of the curved bottom cover 13 is provided with a gasket made of a flexible material, which can reduce the vibration of the tile-shaped filter during operation and reduce noise.
  • the connecting member is a snap 14 structure disposed on the top of the tile-shaped filter 1.
  • the two sides of the outer screen 11 and the inner screen 12 are provided with extension edges 121 that are fitted to the inner frame of the air cleaner.
  • the tile-shaped activated carbon filter of the embodiment, and the hollow space for accommodating the activated carbon between the outer filter and the inner filter, can make full use of the internal space of the small-volume air purifier, and the tile shape
  • the filter screen can perform the primary filtration treatment better and more effectively, and solves the barrel filter structure of the cylindrical air purifier which is relatively small in size, and the volume thereof is correspondingly reduced, so that the filtering capacity is greatly reduced.
  • the ground reduction, and the effective air purification area are correspondingly reduced, and the technical problem of low purification efficiency increases the effective filtration area of the activated carbon, and the space saved can make the volume of the HEPA filter of the air purifier to which the activated carbon filter is applied. Greatly increased, thus improving purification efficiency.
  • an embodiment of an air purifier according to an embodiment of the present invention includes:
  • the inner surface of the cylinder 31 is attached to the activated carbon filter structure 34 through a connecting member.
  • the cylinder 31 has a plurality of air inlet holes;
  • the air changing mechanism 33 is disposed at the top of the cylinder 31, and the air changing mechanism 33 may include a fan, a blade, etc., which are well known to those skilled in the art, and will not be described in detail;
  • the HEPA filter element 32 is disposed on the inner screen side of the activated carbon filter structure 34.
  • a main body frame is disposed in the cylinder 31 to be mated with the extended edge of the activated carbon filter structure 34.
  • the activated carbon filter structure 34 is at least two pieces, and is installed in the barrel 31 by a connecting member to form a barrel structure.
  • the activated carbon filter structure 34 is four pieces, and the inside of the barrel 31 is disposed.
  • a snap member that engages with the connecting member.
  • the air purifier of this embodiment adopts four activated carbon filter net structures 34, and is engaged with the engaging members of the cylinder 31 through the connecting members, and the extension of the activated carbon filter structure 34 is matched with the air purifier main body frame.
  • the filter area of the activated carbon can be effectively increased, and the volume of the HEPA filter element can be increased accordingly, thereby greatly improving the purification efficiency of the air purifier.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

一种活性炭滤网结构包括：瓦片状滤网（1）包括外滤网（11）和内滤网（12）；外滤网（11）和内滤网（12）之间为中空腔体，中空腔体用于容纳活性炭；瓦片状滤网（1）上设置有用于与空气净化器内壳体活动安装的连接部件。该活性炭滤网结构解决了由于目前的体积比较小的圆筒形空气净化器的桶式结构的滤网，其体积也会相应地缩小，使得过滤能力大大地降低，及有效地空气净化面积也相应地降低，而导致的净化效率低的技术问题。

Description

一种活性炭滤网结构及空气净化器
本申请要求于2016年5月5日提交中国专利局、申请号为201610296949.X、发明名称为“一种活性炭滤网结构及空气净化器”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及空气净化领域，尤其涉及一种活性炭滤网结构及空气净化器。
背景技术
空气净化器又称“空气清洁器”、空气清新机、净化器，是指能够吸附、分解或转化各种空气污染物(一般包括PM2.5、粉尘、花粉、异味、甲醛之类的装修污染、细菌、过敏原等)，有效提高空气清洁度的产品，主要分为家用、商用、工业、楼宇。
空气净化器中有多种不同的技术和介质，使它能够向用户提供清洁和安全的空气。常用的空气净化技术有：吸附技术、负(正)离子技术、催化技术、光触媒技术、超结构光矿化技术、HEPA高效过滤技术、静电集尘技术等；材料技术主要有：光触媒、活性炭、合成纤维、HEAP高效材料、负离子发生器等。现有的空气净化器多采为复合型，即同时采用了多种净化技术和材料介质。
目前的圆筒形空气净化器的滤网结构通常是桶式结构，然而对于体积比较小的空气净化器，其滤网的体积也会相应地缩小，使得过滤能力大大地降低，及有效地空气净化面积也相应地降低，从而导致了净化效率低的技术问题。
发明内容
为了解决上述问题，本发明提供一种活性炭滤网结构及空气净化器。
本发明提供的一种活性炭滤网结构，包括瓦片状滤网；
所述瓦片状滤网包括外滤网和内滤网；
所述外滤网和所述内滤网之间为中空腔体，所述中空腔体用于容纳活性炭；
所述瓦片状滤网上设置有用于与空气净化器内壳体活动贴装的连接部件。
优选地，所述外滤网和所述内滤网为相互嵌合式固定连接。
优选地，所述外滤网和所述内滤网均包括网面和骨架，所述网面贴覆在所述骨架外表面。
优选地，所述骨架为格栅结构，与所述网面通过超声波相互熔接。
优选地，所述瓦片状滤网底部可拆卸封接有弧形底盖。
优选地，所述连接部件为卡扣结构，设置在所述瓦片状滤网顶部。
优选地，所述外滤网和所述内滤网的两侧连接处设置有与空气净化器内骨架匹配安装的延伸沿。
本发明提供的一种空气净化器，包括：
筒体、滤芯、换风机构，以及本发明实施例提及的任意一种所述的活性炭滤网结构；
所述筒体内表面通过连接部件与所述活性炭滤网结构贴覆连接；
所述换风机构设置在所述筒体顶部；
所述滤芯设置在所述活性炭滤网结构的内滤网侧。
优选地，所述筒体内设置有主体架，与所述活性炭滤网结构的延伸沿配合贴接。
优选地，所述活性炭滤网结构为至少两片，通过上述连接部件卡紧安装在所述筒体内部形成桶状结构。
从以上技术方案可以看出，本发明具有以下优点：
瓦片状活性炭滤网可使小体积空气净化器的内部空间得以充分利用，增加活性炭的有效过滤面积，其节省的空间可使应用该活性炭滤网的空气净化器的HEPA滤芯的体积大大增加，从而提高了净化效率。
附图说明
为了更清楚地说明本发明或现有技术中的技术方案，下面将对实施例 或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。
图1为本发明实施例提供的一种活性炭滤网结构的结构爆炸示意图；
图2为本发明实施例提供的一种活性炭滤网结构的结构整体示意图；
图3为本发明实施例提供的一种空气净化器的结构剖面示意图；
图4为本发明实施例提供的一种空气净化器的结构整体示意图；
图示说明：瓦片状滤网1、外滤网11、内滤网12、网面1a、骨架1b、弧形底盖13、卡扣14、延伸沿121、筒体31、HEPA滤芯32、换风机构33、活性炭滤网结构34。
具体实施方式
本发明实施例提供的一种活性炭滤网结构及空气净化器，解决了由于目前的体积比较小的圆筒形空气净化器的桶式结构的滤网，其体积也会相应地缩小，使得过滤能力大大地降低，及有效地空气净化面积也相应地降低，而导致的净化效率低的技术问题。
为使得本发明的发明目的、特征、优点能够更加的明显和易懂，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，下面所描述的实施例仅仅是本发明一部分实施例，而非全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
请参阅图1和图2，本发明实施例提供的一种活性炭滤网结构的一个实施例包括：
瓦片状滤网1；
瓦片状滤网1包括外滤网11和内滤网12；
外滤网11和内滤网12之间为中空腔体，中空腔体用于容纳活性炭；
瓦片状滤网1上设置有用于与空气净化器内壳体活动贴装的连接部件。
进一步地，外滤网11和内滤网12为相互嵌合式固定连接，可以理解 的是，外滤网11和内滤网12的相互嵌合可以是盖子和盒体方式的扣接，还可以是外滤网11和内滤网12之间通过凸边和凹槽的嵌合连接，此处具体不做限定。
进一步地，外滤网11和内滤网12均包括网面1a和骨架1b，网面1a贴覆在骨架1b外表面。
进一步地，骨架1b为格栅结构，与网面1a通过超声波相互熔接，如图1所示，格栅为多个格子，且中间设置有X型，该骨架1b为一次成型设计，在端点处，如X交接点，格子角点通过超声波熔接方式将骨架1b与网面1a固定连接。骨架1b与网面1a的固定方式也可以是网面1a胶粘于骨架1b上。
进一步地，瓦片状滤网1底部可拆卸封接有弧形底盖13，该弧形底盖13通过螺丝与瓦片状滤网1固定连接，该可拆卸式设计可以方便活性炭的更换。弧形底盖13的底部设有垫片，该垫片采用柔性材料制成，可以减少瓦片状滤网在工作过程中的振动，降低噪音。
进一步地，连接部件为卡扣14结构，设置在瓦片状滤网1顶部。
进一步地，外滤网11和内滤网12的两侧连接处设置有与空气净化器内骨架匹配安装的延伸沿121。
本实施例的瓦片状活性炭滤网，且外滤网和内滤网之间为用于容纳活性炭的中空腔体，可使得小体积的空气净化器的内部空间得以充分利用，以及瓦片状滤网可以更好地、更有效地进行初滤处理，解决了由于目前的体积比较小的圆筒形空气净化器的桶式结构的滤网，其体积也会相应地缩小，使得过滤能力大大地降低，及有效地空气净化面积也相应地降低，而导致的净化效率低的技术问题增加活性炭的有效过滤面积，其节省的空间可使应用该活性炭滤网的空气净化器的HEPA滤芯的体积大大增加，从而提高了净化效率。
如图3和图4所示，本发明实施例还提供的一种空气净化器的一个实施例包括：
筒体31、HEPA滤芯32、换风机构33，以及图1和图2中提及的活性炭滤网结构34；
筒体31内表面通过连接部件与活性炭滤网结构34贴覆连接，在贴覆活性炭滤网结构34的部分，筒体31上开有若干个进风孔；
换风机构33设置在筒体31顶部，换风机构33可以是包括风机、叶片等，此处为本领域技术人员公知技术，便不再详细赘述；
HEPA滤芯32设置在活性炭滤网结构34的内滤网侧。
优选地，筒体31内设置有主体架，与活性炭滤网结构34的延伸沿配合贴接。
优选地，活性炭滤网结构34为至少两片，通过连接部件卡紧安装在筒体31内部形成桶状结构，在实际应用中，活性炭滤网结构34为4片，且筒体31内部设置有与连接部件卡合的卡合部件。
本实施例的空气净化器采用4片活性炭滤网结构34，通过连接部件与筒体31的卡合部件卡合连接，且活性炭滤网结构34的延伸沿与空气净化器主体架相匹配安装，可以有效提高活性炭的过滤面积，同时可以相应地增加HEPA滤芯的体积，从而大大提高了空气净化器的净化效率。
以上所述，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (10)

  1. 一种活性炭滤网结构，其特征在于，包括瓦片状滤网；
    所述瓦片状滤网包括外滤网和内滤网；
    所述外滤网和所述内滤网之间为中空腔体，所述中空腔体用于容纳活性炭；
    所述瓦片状滤网上设置有用于与空气净化器内壳体活动安装的连接部件。
  2. 根据权利要求1所述的活性炭滤网结构，其特征在于，所述外滤网和所述内滤网为相互嵌合式固定连接。
  3. 根据权利要求1或2所述的活性炭滤网结构，其特征在于，所述外滤网和所述内滤网均包括网面和骨架，所述网面贴覆在所述骨架外表面。
  4. 根据权利要求3所述的活性炭滤网结构，其特征在于，所述骨架为格栅结构，与所述网面通过超声波相互熔接。
  5. 根据权利要求1或4所述的活性炭滤网结构，其特征在于，所述瓦片状滤网底部可拆卸封接有弧形底盖。
  6. 根据权利要求5所述的活性炭滤网结构，其特征在于，所述弧形底盖底部设有由柔性材料制成的垫片。
  7. 根据权利要求1所述的活性炭滤网结构，其特征在于，所述外滤网和所述内滤网的两侧连接处设置有与空气净化器内主体架匹配安装的延伸沿。
  8. 一种空气净化器，其特征在于，包括：
    筒体、HEPA滤芯、换风机构，以及如权利要求1至7中任意一项所述的活性炭滤网结构；
    所述筒体内表面通过连接部件与所述活性炭滤网结构贴覆连接；
    所述换风机构设置在所述筒体顶部；
    所述HEPA滤芯设置在所述活性炭滤网结构的内滤网侧。
  9. 根据权利要求8所述的空气净化器，其特征在于，所述筒体内设置有主体架，与所述活性炭滤网结构的延伸沿匹配安装。
  10. 根据权利要求8或9所述的空气净化器，其特征在于，所述活性 炭滤网结构为至少两片，通过所述连接部件卡紧安装在所述筒体内部形成桶状结构。
PCT/CN2016/095660 2016-05-05 2016-08-17 一种活性炭滤网结构及空气净化器 WO2017190444A1 (zh)

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