WO2019072151A1 - Filtering layer for air purification device and air purification device - Google Patents
Filtering layer for air purification device and air purification device Download PDFInfo
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- WO2019072151A1 WO2019072151A1 PCT/CN2018/109384 CN2018109384W WO2019072151A1 WO 2019072151 A1 WO2019072151 A1 WO 2019072151A1 CN 2018109384 W CN2018109384 W CN 2018109384W WO 2019072151 A1 WO2019072151 A1 WO 2019072151A1
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- filter layer
- air
- filter
- fan
- purifying device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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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
- 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
Definitions
- the present invention relates to the field of environmental protection equipment, and more particularly to a filtration layer and an air purification apparatus for an air purification apparatus.
- the pollutants in the air are mainly composed of two forms.
- One is a large-sized particle such as dust, bacteria, mold, etc.
- the molecular structure is complex and is composed of a plurality of different substances or components, about one percent. Micron to hundreds of micrometers; one is a chemical molecule such as gas, odor, volatile organic chemicals, its chemical structure is simple, composed of several chemical elements, and very small, only the size of emimeter to nanometer.
- filter paper Even high-efficiency filter paper (HEPA Filter), filters air with contaminants; it also uses electrostatic discharge generated by high voltage, or emits negative ions, so that dust particles suspended in the air can be negatively charged.
- the filter element arrangement method is often arranged in parallel with layers of filter elements, and only one exhaust fan or hair dryer is provided to drive the airflow from upstream to downstream.
- Different filter elements have different physical and chemical characteristics, such as the use of filtration, the use of adsorption, and the use of ionization; some filter elements have large wind resistance, some have less wind resistance, and some have no wind resistance. Because there are different concentrations of pollutants and different source pollutants in the air, this makes the purification of air a complex subject.
- some of the rear filter layers become short-lived or even broken due to the failure of the pre-filter layer to effectively treat the contaminants, or blow out the accumulated pollutants, but increase Contaminants in the environment.
- a filter layer and an air purification device for an air purification device are provided.
- a filter layer for an air purification device includes a first filter layer and a second filter layer; the first filter layer and the second filter layer are each provided with a fiber-like material containing a floc structure continuously folded back and forth to form a wave shape Folding straight lines; the texture of the folded straight lines of the first filter layer and the texture of the folded straight lines of the second filter layer are arranged at different angles or directions. .
- FIG. 1a through 1f are five-sided and perspective views of an air cleaning device in accordance with some embodiments.
- 2a to 2g are five-side and three-dimensional views of an air purifying device according to another embodiment
- FIG. 3 is a schematic view of the filter of the air purifying device of Figure 1;
- FIG 4 is a schematic view showing another embodiment of the filter of the air purifying device of Figure 1;
- Figure 5 is a schematic view of the long air inlet of the air purifying device of Figure 1;
- Figure 6a is a schematic view of the second embodiment of the long air inlet of the air purifying device of Figure 1;
- Figure 6b is a schematic view showing the third embodiment of the long air inlet of the air purifying device of Figure 1;
- Figure 7 is a schematic view showing the installation position of the negative ion releasing tip in the filter of Figure 3;
- Figure 8 is a schematic view showing the installation position of the negative ion releasing tip in the filter of Figure 4.
- the air purification device includes at least one housing and at least one air inlet; optionally, three air inlets are provided, and three air inlets are respectively disposed on the right side 101 of the housing, the left side 103 of the housing, and the front side 102 of the housing.
- the air purifying device is provided with at least one filter for removing particles and at least one air rectifier; the filter layer disposed on the filter is provided with a fibrous material containing a floc structure continuously folded back and forth to form a wavy folded straight line.
- the air purifying device comprises at least one air outlet 104 located on the rear side of the casing and at least one fan built in the casing; the air inlet is a long air inlet port formed by the plurality of punching holes on the air rectifier, and the air rectifier is Part of the integration of the air inlet and the housing.
- the long air inlet of the air rectifier is arranged in the same direction as the folded straight lines of the filter layer.
- the fan is a centrifugal fan; the fan is provided with a fan inlet and a fan outlet arranged perpendicularly to the fan inlet; the air rectifier is disposed at one side of the fan inlet, and the filter is disposed between the air rectifier and the fan inlet; The fan inlet, the filter, and the air rectifier are arranged in series to form an air input passage; the straight line is the direction of the input air, and the straight line is in a right angle relationship with the direction of the air output from the fan outlet.
- the air rectifier is part of the housing.
- the air purification device further includes a volatile chemical emission component containing a chemical, or a drug, or a medicinal, or an essential oil, or a bactericide, which has a positive effect on the user, and the volatile chemical is emitted.
- the components are placed on the air input channel.
- the volatile chemical emitting component is a container containing a bottle mouth disposed between the filter and the fan inlet. The air is driven by the fan, flows through the air rectifier, and then passes through the filter and enters the air inlet of the fan to generate a Venturi effect or a Bernoulli effect at the mouth of the container to drive the chemical. , or drugs, or fragrant, or essential oils, or bactericides from the mouth of the bottle with purified air into the fan inlet.
- FIG. 2 shows a five-sided schematic view of an air purifying device of another embodiment (including a front view 2a, a rear view 2b, a right side view 2c, a left side view 2d, a top view 2e), and a perspective view of two different angles ( Front view 2f and back view 2g).
- the air purifying device comprises at least one housing and at least one air inlet 202 disposed at the rear of the housing; the air purifying device is provided with at least one filter for removing particles and at least one air rectifier; and the filter layer disposed on the filter is provided with flocculation
- the fiber-like material of the structure is continuously folded back and forth to form a wavy folded straight line;
- the air purifying device comprises at least one air outlet 204 located on the front side of the casing, and at least one fan built in the casing;
- the air rectifier is an air inlet A portion of the housing integrated with the housing, the air rectifier includes a plurality of elongated air inlets, and the elongated air inlets are aligned with the folded straight lines of the filter layer in the same direction.
- the fan is a centrifugal fan; the fan is provided with a fan inlet and a fan outlet arranged perpendicularly to the fan inlet; the air rectifier is disposed at one side of the fan inlet, and the filter is disposed between the air rectifier and the fan inlet; The long air inlets of the fan inlet, the filter and the air rectifier are arranged in series to form an air input passage; the straight line is the direction of the input air, and the straight line is in a right angle relationship with the direction of the air output from the fan outlet 204.
- the air rectifier is part of the housing.
- the air purification device further includes a volatile chemical emission component containing a chemical, or a drug, or a medicinal, or an essential oil, or a bactericide, which has a positive effect on the user, and the volatile chemical is emitted.
- the components are placed on the air input channel.
- the volatile chemical emitting component is a container containing a bottle mouth disposed between the filter and the fan inlet. The air is driven by the fan, flows through the air rectifier, and then passes through the filter and enters the air inlet of the fan to generate a Venturi effect or a Bernoulli effect at the mouth of the container to drive the chemical. , or drugs, or fragrant, or essential oils, or bactericides from the mouth of the bottle with purified air into the fan inlet.
- Figure 3 shows an embodiment of a filter 300 of an air purification device in which the first filter layer 301 and the second filter layer 302 are aligned at right angles.
- the first filter layer 301 and the second filter layer 302 are both unidirectional filter layers, and the texture of the folded straight lines of the first filter layer 301 and the texture of the folded straight lines of the second filter layer 302 are arranged at different angles or directions;
- a folded straight texture of a filter layer 301 is disposed perpendicular to the texture of the folded straight line of the second filter layer 302; optionally, the folded straight line of the first filter layer 301 is a vertical line, and the second filter layer 302 is folded straight.
- the pattern is a horizontal line; or the folded straight line of the first filter layer 301 is a horizontal line, and the folded straight line of the second filter layer 302 is a vertical line.
- the static pressure of the first filter layer 301 is greater than the static pressure of the second filter layer 302, and the first filter layer 301 is disposed adjacent to the air rectifier.
- the thickness of the first filter layer 301 is greater than the thickness of the second filter layer 302, and the first filter layer 301 is disposed adjacent to the air rectifier.
- the first filter layer 301 and the second filter layer 302 sandwich a filter element containing a honeycomb structure in a sandwich type, and the filter element is an adsorbent material; the adsorbent material is a molecular sieve or an activated carbon material.
- the air containing particulate contaminants enters the casing from the long air inlet of the air rectifier, the air is pre-rectified by the long air inlet to form a layer of airflow; it is arranged in the same direction as the laminar airflow.
- the first filter layer 301 of the vertical stripes most of the air containing contaminants in the laminar airflow is purified into air containing a small amount of particulate contaminants, since the first filter layer 301 and the second filter layer 302 are aligned at right angles.
- the position of the laminar airflow characteristic in the second filter layer 302 is rapidly changed to a turbulent flow, air containing a small amount of particulate pollutants, and a rapid collision.
- the material of the second filter layer 302, therefore, particulate contaminants are rapidly replenished by the second filter layer 302.
- Figure 4 shows another embodiment of the filter of an air purifying device in which the first filter layer 401 and the second filter layer 402 are aligned at right angles.
- Figure 4 shows a front view and a rear view of the filter; A filter layer 401 and a second filter layer 402 are combined into a unitary filter.
- the static pressure of the first filter layer 401 is greater than the static pressure of the second filter layer 402, and the first filter layer 401 is disposed adjacent to the air rectifier.
- the thickness of the first filter layer 401 is greater than the thickness of the second filter layer 402, and the first filter layer 401 is disposed adjacent to the air rectifier.
- the first filter layer 401 and the second filter layer 402 sandwich a filter element containing a honeycomb structure in a sandwich type, and the filter element is an adsorbent material; the adsorbent material is a molecular sieve or an activated carbon material.
- Fig. 5 shows an embodiment of an elongated air inlet 501 on the casing of an air purifying device; the folded straight lines of the filter layer are arranged in the same direction as the long air inlets 501.
- the air containing contaminants enters the casing from the long air inlet 501
- the air is rectified by the long air inlet 501 to form a layer of flowing air; and then passes through a vertical line arranged in the same direction as the laminar air flow.
- the first filter layer 301 most of the air containing contaminants in the laminar airflow is purified, because the folded straight lines of the filter layer are arranged in the same direction as the long air inlets 501, and the air inlets and filters of the fan are used.
- the long strips 501 are arranged in series in a straight line, and the pollutants are captured by the filter under very low wind resistance, so that the wind flow through the filter is high, which increases the efficiency of the air purifying device in addition to the pollutants, and reduces the electricity consumption. Quantity, to achieve the purpose of environmental protection.
- Fig. 6a shows a second embodiment of a long air inlet caused by a plurality of punching holes in the casing of the air purifying device; the folded straight lines of the filter layer are arranged in the same direction as the long air inlets 601.
- Fig. 6b shows a third embodiment of a long air inlet caused by a plurality of punching holes in the casing of the air purifying device; the folded straight lines of the filter layer and the long air inlets 602 are arranged in the same direction.
- Figure 7 shows an air purification device further including a negative ion generator, the negative ion generator further including an negative ion release tip 708.
- the negative ion release tip 708 is placed between the two unique first filter layers 301 and the second filter layer 302.
- the folded straight lines of the first filter layer 301 are vertical stripes, and the folded straight lines of the second filter layer 302 are horizontal stripes.
- the negative ion release tip 708 is placed at one end or centered and does not affect or move the position of the negative ion release tip 708 when the user replaces or places the first filter layer 301 and the second filter layer 302.
- FIG. 8 shows another embodiment of the air cleaning apparatus further including a negative ion generator, the negative ion generator further including a negative ion release tip 808.
- An anion release tip 808 is interposed between the first filter layer 401 and the second filter layer 402.
- the folded straight lines of the first filter layer 401 are vertical stripes, and the folded straight lines of the second filter layer 402 are horizontal stripes.
- the filter layer used in the air purifying device is arranged at a different angle or direction by setting the first filter layer to the second filter layer, the texture of the folded straight line of the first filter layer and the texture of the folded straight line of the second filter layer. Therefore, after the air containing particulate pollutants flows through the filter layer, most of the pollutants in the air are filtered and purified into air containing a small amount of particulate pollutants, or completely purified air, thereby effectively treating the pollutants.
- the invention has more implementation methods, the arbitrarily mobilizing, the air inlet of the device, the air outlet of the device, the main filter element, the fan, and the position of different filters, as long as the filter layer disposed in the filter is composed of fibers containing floc structure
- the material is continuously folded back and forth to form a wavy folded straight line;
- the shell comprises a plurality of long air inlets caused by punching, and the long air inlets and the folded straight lines of the filter layer are arranged in the same direction.
- the device comprises a fan, a fan inlet and a fan outlet, the fan inlet, the filter, and the long air inlet are arranged in series, the filter comprises a first filter layer and a second filter layer, and the first filter layer
- the texture of the folded straight line and the texture of the folded straight line of the second filter layer are arranged at different angles or directions, all of which flow into the spirit of the present invention.
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Abstract
A filtering layer for an air purification device, comprising a first filtering layer (301) and a second filtering layer (302). The first filtering layer (301) and the second filtering layer (302) are provided with wavy fold straight lines formed by continuously forward and backward folding a fiber material containing a flocculent structure. The texture of the fold straight lines of the first filtering layer (301) and the texture of the fold straight lines of the second filtering layer (302) are arranged at different angles or directions.
Description
相关申请的交叉引用Cross-reference to related applications
本申请要求于2017年10月09日提交香港专利局，优先权号为HK17110133.8，发明名称为“一种空气净化装置及方法”的香港专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims priority to the Hong Kong Patent Office, the priority of which is the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of In this application.
本发明涉及环保设备技术领域，更加具体地说，涉及一种用于空气净化装置的过滤层及空气净化装置。The present invention relates to the field of environmental protection equipment, and more particularly to a filtration layer and an air purification apparatus for an air purification apparatus.
空气中的污染物主要是分两个形态组成，一是如灰尘、细菌、霉菌等形状较大的微粒，其分子结构复杂，由多种不同的物质或成份结合而成，大约百分之一微米至数百微米大小；一是如气体、臭味、挥发性有机化学物等化学分子，其化学结构简单，由数种化学元素组成，且十分细小，只有埃米至纳米的大小。The pollutants in the air are mainly composed of two forms. One is a large-sized particle such as dust, bacteria, mold, etc. The molecular structure is complex and is composed of a plurality of different substances or components, about one percent. Micron to hundreds of micrometers; one is a chemical molecule such as gas, odor, volatile organic chemicals, its chemical structure is simple, composed of several chemical elements, and very small, only the size of emimeter to nanometer.
要处理这两类型的污染物，一般都是用不同技术的过滤方法。传统的有用过滤纸、甚至是高效能过滤纸(HEPA Filter)，过滤带污染物的空气；也有利用高电压产生的静电除尘、或有放出负离子，使悬浮在空气中的灰尘微粒得以带负电荷，再使其于较中性或正电荷的地方结集的方法；也有使用活性碳、分子筛、沸石作过滤材料，或再使用臭氧、氧化剂、紫外光灯，配合光触媒或不同的催化触媒等材料进行氧化催化分解污染物。这些过滤方法，各 有特性及效能。To deal with these two types of contaminants, filtration methods using different techniques are generally used. Traditionally useful filter paper, even high-efficiency filter paper (HEPA Filter), filters air with contaminants; it also uses electrostatic discharge generated by high voltage, or emits negative ions, so that dust particles suspended in the air can be negatively charged. a method of combining it at a neutral or positive charge; using activated carbon, molecular sieves, zeolite as a filter material, or using ozone, an oxidant, an ultraviolet lamp, a photocatalyst, or a different catalytic catalyst. Oxidative catalytic decomposition of contaminants. These filtering methods have their own characteristics and performance.
针对空气中不同的污染物，市场上的空气净化机往往使用多于一种的空气净化技术及过滤方法。使用的滤芯排列方法，往往是一层一层的滤芯并联排列，并只设有一个抽气扇或吹风机，带动气流从上游流至下游。不同滤芯有不同的的物理及化学特性，有利用滤隔的方式、有利用吸附的方式、有利用电离的方式等；有些滤芯风阻较大、有些风阻较小、有些却没有风阻。由于空气中有不同浓度污染物、不同源头污染物，这更使净化空气成一门复杂的课题。而利用传统的滤芯排列方式，某些后置的过滤层，因前置过滤层未有有效处理污染物，而变得寿命减短，甚至坏掉，或把已结集的污染物吹出，反而增加环境里的污染物。Air purifiers on the market often use more than one air purification technology and filtration method for different pollutants in the air. The filter element arrangement method is often arranged in parallel with layers of filter elements, and only one exhaust fan or hair dryer is provided to drive the airflow from upstream to downstream. Different filter elements have different physical and chemical characteristics, such as the use of filtration, the use of adsorption, and the use of ionization; some filter elements have large wind resistance, some have less wind resistance, and some have no wind resistance. Because there are different concentrations of pollutants and different source pollutants in the air, this makes the purification of air a complex subject. However, with the traditional filter arrangement, some of the rear filter layers become short-lived or even broken due to the failure of the pre-filter layer to effectively treat the contaminants, or blow out the accumulated pollutants, but increase Contaminants in the environment.
发明内容Summary of the invention
根据本申请的各种实施例，提供一种用于空气净化装置的过滤层及空气净化装置。According to various embodiments of the present application, a filter layer and an air purification device for an air purification device are provided.
一种用于空气净化装置的过滤层，包括第一过滤层与第二过滤层；所述第一过滤层与第二过滤层均设置含絮状结构的纤维类材料连续前后折叠构成波浪状的折叠直纹；所述第一过滤层的折叠直纹的纹理与第二过滤层的折叠直纹的纹理以不同的角度或方向排列。。A filter layer for an air purification device includes a first filter layer and a second filter layer; the first filter layer and the second filter layer are each provided with a fiber-like material containing a floc structure continuously folded back and forth to form a wave shape Folding straight lines; the texture of the folded straight lines of the first filter layer and the texture of the folded straight lines of the second filter layer are arranged at different angles or directions. .
本发明的一个或多个实施例的细节在下面的附图和描述中提出。本发明的其它特征、目的和优点将从说明书、附图以及权利要求书变得明显。Details of one or more embodiments of the invention are set forth in the accompanying drawings and description below. Other features, objects, and advantages of the invention will be apparent from the description and appended claims.
为了更好地描述和说明这里公开的那些发明的实施例和/或示例，可以参 考一幅或多幅附图。用于描述附图的附加细节或示例不应当被认为是对所公开的发明、目前描述的实施例和/或示例以及目前理解的这些发明的最佳模式中的任何一者的范围的限制。To better describe and illustrate the embodiments and/or examples of the inventions disclosed herein, reference may be made to one or more drawings. The additional details or examples used to describe the figures are not to be construed as limiting the scope of any of the disclosed inventions, the presently described embodiments and/or examples, and the best mode of the invention.
图1a至图1f为根据一些实施例的空气净化装置的五面及立体示意图；1a through 1f are five-sided and perspective views of an air cleaning device in accordance with some embodiments;
图2a至图2g为另一实施例的空气净化装置的五面及立体示意图；2a to 2g are five-side and three-dimensional views of an air purifying device according to another embodiment;
图3为图1空气净化装置的过滤器的示意图；Figure 3 is a schematic view of the filter of the air purifying device of Figure 1;
图4为图1空气净化装置的过滤器另一实施例的示意图；Figure 4 is a schematic view showing another embodiment of the filter of the air purifying device of Figure 1;
图5为图1空气净化装置的长条状入风口的示意图；Figure 5 is a schematic view of the long air inlet of the air purifying device of Figure 1;
图6a为图1空气净化装置的长条状入风口的实施例二的示意图；Figure 6a is a schematic view of the second embodiment of the long air inlet of the air purifying device of Figure 1;
图6b为图1空气净化装置的长条状入风口的实施例三的示意图；Figure 6b is a schematic view showing the third embodiment of the long air inlet of the air purifying device of Figure 1;
图7为图3过滤器中负离子释放尖端的安装位置示意图；Figure 7 is a schematic view showing the installation position of the negative ion releasing tip in the filter of Figure 3;
图8为图4过滤器中负离子释放尖端的安装位置示意图。Figure 8 is a schematic view showing the installation position of the negative ion releasing tip in the filter of Figure 4.
为了便于理解本发明，下面将对本发明进行更全面的描述。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本发明的公开内容的理解更加透彻全面。In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the understanding of the present disclosure will be more fully understood.
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention.
图1显示了一实施例的空气净化装置的一个五面示意图(包括右侧视图1a、前视图1b、左侧视图1c、后视图1d、俯视图1e)，及左向1f立体示意图。空气净化装置包括至少一个壳体及至少一个空气入口；可选地，空气入 口为三个，三个空气入口分别设于壳体的右侧101、壳体的左侧103及壳体的前面102；空气净化装置设置至少一个用于除去微粒的过滤器及至少一个空气整流器；设置于过滤器的过滤层设置含絮状结构的纤维类材料连续前后折叠构成波浪状的折叠直纹。1 shows a five-sided schematic view of an air purifying apparatus of an embodiment (including a right side view 1a, a front view 1b, a left side view 1c, a rear view 1d, a top view 1e), and a leftward 1f perspective view. The air purification device includes at least one housing and at least one air inlet; optionally, three air inlets are provided, and three air inlets are respectively disposed on the right side 101 of the housing, the left side 103 of the housing, and the front side 102 of the housing. The air purifying device is provided with at least one filter for removing particles and at least one air rectifier; the filter layer disposed on the filter is provided with a fibrous material containing a floc structure continuously folded back and forth to form a wavy folded straight line.
空气净化装置包括了位于壳体的后方上面的至少一个空气出口104、及内置于壳体的至少一个风机；空气入口为空气整流器上含多个冲孔造成的长条状入风口，空气整流器为空气入口和壳体整合的一部分。空气整流器的长条状入风口跟过滤层的折叠直纹以相同的方向排列。风机是一离心风机；风机设有一风机入风口、及一与风机入风口垂直设置的风机出风口；空气整流器设置于风机入风口的一侧，过滤器设置于空气整流器与风机入风口之间；风机入风口、过滤器、及空气整流器串连排列成一直线组成空气输入通道；直线为输入空气的方向，该直线跟风机出风口输出空气的方向成直角关系。在其他实施例中，空气整流器为壳体的一部分。空气净化装置还包括一个挥发性化学物散发部件，挥发性化学物散发部件含有对使用者有正面作用的化学物、或药品、或香科、或精油、或杀菌剂，该挥发性化学物散发部件放置于空气输入通道上。挥发性化学物散发部件为一含有一个瓶口的容器，容器置设于过滤器及风机入风口之间。空气由风机带动，流经空气整流器，然后经过过滤器，进入风机入风口前，在容器的瓶口产生文丘里管效应(Venturi effect)、或柏努利定律效应(Bernoulli effect)，带动化学物、或药品、或香科、或精油、或杀菌剂从瓶口随已净化的空气进入风机入风口。The air purifying device comprises at least one air outlet 104 located on the rear side of the casing and at least one fan built in the casing; the air inlet is a long air inlet port formed by the plurality of punching holes on the air rectifier, and the air rectifier is Part of the integration of the air inlet and the housing. The long air inlet of the air rectifier is arranged in the same direction as the folded straight lines of the filter layer. The fan is a centrifugal fan; the fan is provided with a fan inlet and a fan outlet arranged perpendicularly to the fan inlet; the air rectifier is disposed at one side of the fan inlet, and the filter is disposed between the air rectifier and the fan inlet; The fan inlet, the filter, and the air rectifier are arranged in series to form an air input passage; the straight line is the direction of the input air, and the straight line is in a right angle relationship with the direction of the air output from the fan outlet. In other embodiments, the air rectifier is part of the housing. The air purification device further includes a volatile chemical emission component containing a chemical, or a drug, or a medicinal, or an essential oil, or a bactericide, which has a positive effect on the user, and the volatile chemical is emitted. The components are placed on the air input channel. The volatile chemical emitting component is a container containing a bottle mouth disposed between the filter and the fan inlet. The air is driven by the fan, flows through the air rectifier, and then passes through the filter and enters the air inlet of the fan to generate a Venturi effect or a Bernoulli effect at the mouth of the container to drive the chemical. , or drugs, or fragrant, or essential oils, or bactericides from the mouth of the bottle with purified air into the fan inlet.
图2显示了另一实施例的空气净化装置的一个五面示意图(包括前视图2a、后视图2b、右侧视图2c、左侧视图2d、俯视图2e)，及2个不同角度的立体示意图(前向图2f及后向图2g)。空气净化装置包括至少一个壳体及至 少一个设于壳体后面的空气入口202；空气净化装置设置至少一个用于除去微粒的过滤器及至少一个空气整流器；设置于过滤器的过滤层设置含絮状结构的纤维类材料连续前后折叠构成波浪状的折叠直纹；空气净化装置包括了位于壳体的前方上面的至少一个空气出口204、及内置于壳体的至少一个风机；空气整流器为空气入口202和壳体整合的一部分，该空气整流器含多个长条状入风口，长条状入风口跟过滤层的折叠直纹以相同的方向排列。风机是一离心风机；风机设有一风机入风口、及一与风机入风口垂直设置的风机出风口；空气整流器设置于风机入风口的一侧，过滤器设置于空气整流器与风机入风口之间；风机入风口、过滤器、及空气整流器的长条状入风口串连排列成一直线组成空气输入通道；直线为输入空气的方向，该直线跟风机出风口204输出空气的方向成直角关系。在其他实施例中，空气整流器为壳体的一部分。空气净化装置还包括一个挥发性化学物散发部件，挥发性化学物散发部件含有对使用者有正面作用的化学物、或药品、或香科、或精油、或杀菌剂，该挥发性化学物散发部件放置于空气输入通道上。挥发性化学物散发部件为一含有一个瓶口的容器，容器置设于过滤器及风机入风口之间。空气由风机带动，流经空气整流器，然后经过过滤器，进入风机入风口前，在容器的瓶口产生文丘里管效应(Venturi effect)、或柏努利定律效应(Bernoulli effect)，带动化学物、或药品、或香科、或精油、或杀菌剂从瓶口随已净化的空气进入风机入风口。2 shows a five-sided schematic view of an air purifying device of another embodiment (including a front view 2a, a rear view 2b, a right side view 2c, a left side view 2d, a top view 2e), and a perspective view of two different angles ( Front view 2f and back view 2g). The air purifying device comprises at least one housing and at least one air inlet 202 disposed at the rear of the housing; the air purifying device is provided with at least one filter for removing particles and at least one air rectifier; and the filter layer disposed on the filter is provided with flocculation The fiber-like material of the structure is continuously folded back and forth to form a wavy folded straight line; the air purifying device comprises at least one air outlet 204 located on the front side of the casing, and at least one fan built in the casing; the air rectifier is an air inlet A portion of the housing integrated with the housing, the air rectifier includes a plurality of elongated air inlets, and the elongated air inlets are aligned with the folded straight lines of the filter layer in the same direction. The fan is a centrifugal fan; the fan is provided with a fan inlet and a fan outlet arranged perpendicularly to the fan inlet; the air rectifier is disposed at one side of the fan inlet, and the filter is disposed between the air rectifier and the fan inlet; The long air inlets of the fan inlet, the filter and the air rectifier are arranged in series to form an air input passage; the straight line is the direction of the input air, and the straight line is in a right angle relationship with the direction of the air output from the fan outlet 204. In other embodiments, the air rectifier is part of the housing. The air purification device further includes a volatile chemical emission component containing a chemical, or a drug, or a medicinal, or an essential oil, or a bactericide, which has a positive effect on the user, and the volatile chemical is emitted. The components are placed on the air input channel. The volatile chemical emitting component is a container containing a bottle mouth disposed between the filter and the fan inlet. The air is driven by the fan, flows through the air rectifier, and then passes through the filter and enters the air inlet of the fan to generate a Venturi effect or a Bernoulli effect at the mouth of the container to drive the chemical. , or drugs, or fragrant, or essential oils, or bactericides from the mouth of the bottle with purified air into the fan inlet.
图3显示了一种空气净化装置的过滤器300中第一过滤层301与第二过滤层302以直角对准列放的一个实施例。第一过滤层301与第二过滤层302均为独位过滤层，第一过滤层301的折叠直纹的纹理与第二过滤层302的折叠直纹的纹理以不同的角度或方向排列；第一过滤层301的折叠直纹的纹理 与第二过滤层302的折叠直纹的纹理垂直设置；可选地，第一过滤层301的折叠直纹是竖纹，第二过滤层302的折叠直纹是横纹；或第一过滤层301的折叠直纹是横纹，第二过滤层302的折叠直纹为竖纹。第一过滤层301的静压力大于第二过滤层302的静压力，第一过滤层301靠近空气整流器设置。第一过滤层301的厚度大于第二过滤层302的厚度，第一过滤层301靠近空气整流器设置。第一过滤层301与第二过滤层302去除相同的类型和相同浓度的微粒状污染物时，有不同的净化效率。第一过滤层301与第二过滤层302以三文治式夹一层含蜂巢状结构的过滤件，过滤件为吸附材料；吸附材料为分子筛或活性碳材料。Figure 3 shows an embodiment of a filter 300 of an air purification device in which the first filter layer 301 and the second filter layer 302 are aligned at right angles. The first filter layer 301 and the second filter layer 302 are both unidirectional filter layers, and the texture of the folded straight lines of the first filter layer 301 and the texture of the folded straight lines of the second filter layer 302 are arranged at different angles or directions; A folded straight texture of a filter layer 301 is disposed perpendicular to the texture of the folded straight line of the second filter layer 302; optionally, the folded straight line of the first filter layer 301 is a vertical line, and the second filter layer 302 is folded straight. The pattern is a horizontal line; or the folded straight line of the first filter layer 301 is a horizontal line, and the folded straight line of the second filter layer 302 is a vertical line. The static pressure of the first filter layer 301 is greater than the static pressure of the second filter layer 302, and the first filter layer 301 is disposed adjacent to the air rectifier. The thickness of the first filter layer 301 is greater than the thickness of the second filter layer 302, and the first filter layer 301 is disposed adjacent to the air rectifier. When the first filter layer 301 and the second filter layer 302 remove the same type and the same concentration of particulate contaminants, there are different purification efficiencies. The first filter layer 301 and the second filter layer 302 sandwich a filter element containing a honeycomb structure in a sandwich type, and the filter element is an adsorbent material; the adsorbent material is a molecular sieve or an activated carbon material.
当含微粒状污染物的空气从空气整流器的长条状入风口进入壳体内，被长条状入风口预先整流空气使其形成一层流气流；穿过一与层流气流相同的方向排列的竖纹的第一过滤层301后，层流气流里含污染物的空气大部分都净化成含有少量微粒状污染物的空气，由于第一过滤层301与第二过滤层302以直角对准列放，层流气流在第二过滤层302的纹理方向改变时，其层流气流特性在第二过滤层302中的位置急促被改变成乱流，含有少量微粒状污染物的空气，急促的碰撞第二过滤层302的材料上，因此，微粒状污染物急促地被第二过滤层302补获。When the air containing particulate contaminants enters the casing from the long air inlet of the air rectifier, the air is pre-rectified by the long air inlet to form a layer of airflow; it is arranged in the same direction as the laminar airflow. After the first filter layer 301 of the vertical stripes, most of the air containing contaminants in the laminar airflow is purified into air containing a small amount of particulate contaminants, since the first filter layer 301 and the second filter layer 302 are aligned at right angles. When the laminar airflow changes in the texture direction of the second filter layer 302, the position of the laminar airflow characteristic in the second filter layer 302 is rapidly changed to a turbulent flow, air containing a small amount of particulate pollutants, and a rapid collision. The material of the second filter layer 302, therefore, particulate contaminants are rapidly replenished by the second filter layer 302.
图4显示了一种空气净化装置的过滤器中第一过滤层401与第二过滤层402以直角对准列放的另一个实施例，图4显示了过滤器的前视图和后视图；第一过滤层401与第二过滤层402合并为一整体过滤器。第一过滤层401的静压力大于第二过滤层402的静压力，第一过滤层401靠近空气整流器设置。第一过滤层401的厚度大于第二过滤层402的厚度，第一过滤层401靠近空气整流器设置。第一过滤层401与第二过滤层402去除相同的类型和相同浓 度的微粒状污染物时，有不同的净化效率。第一过滤层401与第二过滤层402以三文治式夹一层含蜂巢状结构的过滤件，过滤件为吸附材料；吸附材料为分子筛或活性碳材料。Figure 4 shows another embodiment of the filter of an air purifying device in which the first filter layer 401 and the second filter layer 402 are aligned at right angles. Figure 4 shows a front view and a rear view of the filter; A filter layer 401 and a second filter layer 402 are combined into a unitary filter. The static pressure of the first filter layer 401 is greater than the static pressure of the second filter layer 402, and the first filter layer 401 is disposed adjacent to the air rectifier. The thickness of the first filter layer 401 is greater than the thickness of the second filter layer 402, and the first filter layer 401 is disposed adjacent to the air rectifier. When the first filter layer 401 and the second filter layer 402 remove particulate contaminants of the same type and the same concentration, there are different purification efficiencies. The first filter layer 401 and the second filter layer 402 sandwich a filter element containing a honeycomb structure in a sandwich type, and the filter element is an adsorbent material; the adsorbent material is a molecular sieve or an activated carbon material.
图5显示了一种空气净化装置的壳体上长条状入风口501的一个实施例；过滤层的折叠直纹跟长条状入风口501以相同方向排列。当含污染物的空气从长条状入风口501进入壳体内，被长条状入风口501预先整流空气使其形成一层流气流；再穿过一与层流气流相同的方向排列的竖纹的第一过滤层301后，层流气流里含污染物的空气大部分被净化了，由于过滤层的折叠直纹跟长条状入风口501以相同方向排列，并因风机入风口、过滤器、及长条状入风口501串连排列成一直线，污染物在非常低风阻下被过滤器捕获，使流经过滤器的风流量高，增加了空气净化装置除污染物的效能，减低了用电量，达至环境保护的目的。Fig. 5 shows an embodiment of an elongated air inlet 501 on the casing of an air purifying device; the folded straight lines of the filter layer are arranged in the same direction as the long air inlets 501. When the air containing contaminants enters the casing from the long air inlet 501, the air is rectified by the long air inlet 501 to form a layer of flowing air; and then passes through a vertical line arranged in the same direction as the laminar air flow. After the first filter layer 301, most of the air containing contaminants in the laminar airflow is purified, because the folded straight lines of the filter layer are arranged in the same direction as the long air inlets 501, and the air inlets and filters of the fan are used. And the long strips 501 are arranged in series in a straight line, and the pollutants are captured by the filter under very low wind resistance, so that the wind flow through the filter is high, which increases the efficiency of the air purifying device in addition to the pollutants, and reduces the electricity consumption. Quantity, to achieve the purpose of environmental protection.
图6a显示了一种空气净化装置的壳体上多个冲孔造成的长条状入风口的实施例二；过滤层的折叠直纹跟长条状入风口601以相同方向排列。Fig. 6a shows a second embodiment of a long air inlet caused by a plurality of punching holes in the casing of the air purifying device; the folded straight lines of the filter layer are arranged in the same direction as the long air inlets 601.
图6b显示了一种空气净化装置的壳体上多个冲孔造成的长条状入风口的实施例三；过滤层的折叠直纹与长条状入风口602以相同方向排列。Fig. 6b shows a third embodiment of a long air inlet caused by a plurality of punching holes in the casing of the air purifying device; the folded straight lines of the filter layer and the long air inlets 602 are arranged in the same direction.
图7显示了一种空气净化装置中还包括一个负离子产生器，负离子产生器还包括了负离子释放尖端708。负离子释放尖端708放置于二个独位的第一过滤层301与第二过滤层302之间。第一过滤层301的折叠直纹是竖纹，第二过滤层302的折叠直纹是横纹。当含污染物的空气从长条状入风口进入壳体内，被长条状入风口预先整流空气使其形成一层流气流；再穿过一与层流气流相同的方向排列的竖纹的第一过滤层301后，层流气流里含污染物的空气大部分被净化了，还含有少量污染物的空气，部分流经负离子释放尖端 708，变成带负电荷的空气，当进入第二过滤层302时，由于第一过滤层301与第二过滤层302以直角对准列放，层流气流在第二过滤层302的纹理方向改变时，其层流气流特性，在第一过滤层301与第二过滤层302中的位置急促被改变成乱流，部分带负电荷的空气互相乱撞，使微粒污染物结集在一起，经过第二过滤层302时急促被第二过滤层302补获。负离子释放尖端708放置于一端或置中，并当使用者更换或放入第一过滤层301及第二过滤层302时，不会影响或移动负离子释放尖端708的位置。Figure 7 shows an air purification device further including a negative ion generator, the negative ion generator further including an negative ion release tip 708. The negative ion release tip 708 is placed between the two unique first filter layers 301 and the second filter layer 302. The folded straight lines of the first filter layer 301 are vertical stripes, and the folded straight lines of the second filter layer 302 are horizontal stripes. When the air containing contaminants enters the casing from the long air inlet, the air is pre-rectified by the long air inlet to form a flow of air; and then passes through a vertical line arranged in the same direction as the laminar air flow. After a filter layer 301, most of the air containing contaminants in the laminar airflow is purified, and air containing a small amount of contaminants partially flows through the negative ion release tip 708 to become a negatively charged air when entering the second filtration. At the time of the layer 302, since the first filter layer 301 and the second filter layer 302 are aligned at right angles, when the laminar airflow changes in the texture direction of the second filter layer 302, its laminar airflow characteristics are in the first filter layer 301. The position in the second filter layer 302 is rapidly changed to turbulent flow, and the partially negatively charged air collides with each other to cause the particulate pollutants to be gathered together, and is rushed to be replenished by the second filter layer 302 when passing through the second filter layer 302. . The negative ion release tip 708 is placed at one end or centered and does not affect or move the position of the negative ion release tip 708 when the user replaces or places the first filter layer 301 and the second filter layer 302.
图8显示了另一实施例的空气净化装置中，还包括一个负离子产生器，负离子产生器还包括了负离子释放尖端808。负离子释放尖端808被安插于第一过滤层401与第二过滤层402之间。第一过滤层401的折叠直纹是竖纹，第二过滤层402的折叠直纹是横纹。当含污染物的空气从长条状入风口进入壳体，被长条状入风口预先整流空气使其形成一层流气流；再穿过一与层流气流相同的方向排列的竖纹的第一过滤层401后，层流气流里含污染物的空气大部分被净化了，还含有少量污染物的空气，部分流经负离子释放尖端808，变成带负电荷的空气，当进入第二过滤器层402时，由于第一过滤层401与第二过滤层402以直角对准列放，层流气流在第二过滤层402的纹理方向改变时，其层流气流特性，在第一过滤层401与第二过滤层402中的位置急促被改变成乱流，部分带负电荷的空气互相乱撞，使微粒污染物结集在一起，经过第二过滤层402时急促被第二过滤层补获。FIG. 8 shows another embodiment of the air cleaning apparatus further including a negative ion generator, the negative ion generator further including a negative ion release tip 808. An anion release tip 808 is interposed between the first filter layer 401 and the second filter layer 402. The folded straight lines of the first filter layer 401 are vertical stripes, and the folded straight lines of the second filter layer 402 are horizontal stripes. When the air containing contaminants enters the casing from the long air inlet, the air is pre-rectified by the long air inlet to form a flow of air; and then passes through a vertical line arranged in the same direction as the laminar air flow. After a filter layer 401, most of the air containing contaminants in the laminar airflow is purified, and air containing a small amount of contaminants flows partially through the negative ion release tip 808 to become a negatively charged air when entering the second filter. At the time of the layer 402, since the first filter layer 401 and the second filter layer 402 are aligned at right angles, when the laminar airflow changes in the texture direction of the second filter layer 402, the laminar airflow characteristics are in the first filter layer. The position in 401 and the second filter layer 402 is rapidly changed to turbulent flow, and the partially negatively charged air collides with each other to cause the particulate pollutants to be gathered together, and is rushed to be replenished by the second filter layer when passing through the second filter layer 402. .
本用于空气净化装置的过滤层通过将设置第一过滤层于第二过滤层，第一过滤层的折叠直纹的纹理与第二过滤层的折叠直纹的纹理以不同的角度或方向排列，从而使含微粒状污染物的空气流经过滤层后，空气里大部分的污染物被过滤净化成含有少量微粒状污染物的空气，或完全净化的空气，从而 有效处理污染物。The filter layer used in the air purifying device is arranged at a different angle or direction by setting the first filter layer to the second filter layer, the texture of the folded straight line of the first filter layer and the texture of the folded straight line of the second filter layer. Therefore, after the air containing particulate pollutants flows through the filter layer, most of the pollutants in the air are filtered and purified into air containing a small amount of particulate pollutants, or completely purified air, thereby effectively treating the pollutants.
本发明有着更多的实施方法，随意调动、装置的入风口、装置的出风口、主要滤芯、风机、及不同过滤器的位置，只要设置于过滤器的过滤层由含絮状结构的纤维类材料连续前后折叠构成波浪状的折叠直纹；壳体上含多个冲孔造成的长条状入风口，长条状入风口与过滤层的折叠直纹以相同的方向排列。装置含风机，风机入风口及一风机出风口，风机入风口、过滤器、及长条状入风口串连排列成一直线，过滤器含第一过滤层与第二过滤层，第一过滤层的折叠直纹的纹理与第二过滤层的折叠直纹的纹理以不同的角度或方向排列，都流入了本发明的精神。本专利申请是通过几个具体实施例进行说明的，在不脱离本专利申请范围的情况下，还可以对本专利申请进行各种变换及等同替代。另外，针对特定情形或具体情况，可以对本专利申请做各种修改，而不脱离本专利申请的范围。因此，本专利申请不局限于所公开的具体实施例，而应当包括落入本专利申请权利要求范围内的全部实施方式。The invention has more implementation methods, the arbitrarily mobilizing, the air inlet of the device, the air outlet of the device, the main filter element, the fan, and the position of different filters, as long as the filter layer disposed in the filter is composed of fibers containing floc structure The material is continuously folded back and forth to form a wavy folded straight line; the shell comprises a plurality of long air inlets caused by punching, and the long air inlets and the folded straight lines of the filter layer are arranged in the same direction. The device comprises a fan, a fan inlet and a fan outlet, the fan inlet, the filter, and the long air inlet are arranged in series, the filter comprises a first filter layer and a second filter layer, and the first filter layer The texture of the folded straight line and the texture of the folded straight line of the second filter layer are arranged at different angles or directions, all of which flow into the spirit of the present invention. The present patent application is described by way of a few specific embodiments, and various modifications and equivalents can be made to the present patent application without departing from the scope of the present application. In addition, various modifications may be made to the present patent application without departing from the scope of the present application. Therefore, the present patent application is not limited to the specific embodiments disclosed, but all the embodiments falling within the scope of the appended claims.
Claims (13)
- 一种用于空气净化装置的过滤层，其特征在于，包括第一过滤层与第二过滤层；所述第一过滤层与第二过滤层均设置含絮状结构的纤维类材料连续前后折叠构成波浪状的折叠直纹；所述第一过滤层的折叠直纹的纹理与第二过滤层的折叠直纹的纹理以不同的角度或方向排列。A filter layer for an air purification device, comprising: a first filter layer and a second filter layer; wherein the first filter layer and the second filter layer are each provided with a fiber-like material containing a floc structure continuously folded back and forth A wavy fold line is formed; the texture of the folded rule of the first filter layer and the texture of the folded rule of the second filter layer are arranged at different angles or directions.
- 根据权利要求1所述的用于空气净化装置的过滤层，其特征在于，所述第一过滤层与第二过滤层均为独位过滤层。The filter layer for an air purification device according to claim 1, wherein the first filter layer and the second filter layer are both unidirectional filter layers.
- 根据权利要求1所述的用于空气净化装置的过滤层，其特征在于，所述第一过滤层与第二过滤层合并为一整体过滤器。The filter layer for an air purifying device according to claim 1, wherein the first filter layer and the second filter layer are combined into a unitary filter.
- 根据权利要求1所述的用于空气净化装置的过滤层，其特征在于，相邻的所述第一过滤层与第二过滤层以直角对准列放。The filter layer for an air cleaning device according to claim 1, wherein the adjacent first filter layer and the second filter layer are aligned at right angles.
- 根据权利要求1所述的用于空气净化装置的过滤层，其特征在于，所述第一过滤层的静压力大于第二过滤层的静压力，所述第一过滤层靠近所述空气整流器设置。The filter layer for an air purification device according to claim 1, wherein a static pressure of the first filter layer is greater than a static pressure of the second filter layer, the first filter layer being disposed adjacent to the air rectifier .
- 根据权利要求1所述的用于空气净化装置的过滤层，其特征在于，所述第一过滤层的厚度大于第二过滤层的厚度。The filter layer for an air cleaning device according to claim 1, wherein the thickness of the first filter layer is greater than the thickness of the second filter layer.
- 根据权利要求1所述的用于空气净化装置的过滤层，其特征在于，所述第一过滤层与第二过滤层去除相同的类型和相同浓度的微粒状污染物时，有不同的净化效率。The filter layer for an air purifying device according to claim 1, wherein the first filter layer and the second filter layer have different purification efficiencies when removing the same type and the same concentration of particulate contaminants .
- 根据权利要求1所述的用于空气净化装置的过滤层，其特征在于，所述第一过滤层与第二过滤层以三文治式夹一层含蜂巢状结构的过滤件，所述过滤件为吸附材料；所述吸附材料为分子筛或活性碳材料。The filter layer for an air purifying device according to claim 1, wherein the first filter layer and the second filter layer sandwich a filter element having a honeycomb structure in a sandwich manner, and the filter member is An adsorbent material; the adsorbent material is a molecular sieve or an activated carbon material.
- 根据权利要求1所述的用于空气净化装置的过滤层，其特征在于， 所述第一过滤层的折叠直纹的纹理与所述第二过滤层的折叠直纹的纹理垂直设置。The filter layer for an air purifying device according to claim 1, wherein a texture of the folded straight line of the first filter layer is disposed perpendicular to a texture of the folded straight line of the second filter layer.
- 一种空气净化装置，其特征在于，包括根据权利要求1至9中任一项的用于空气净化装置的过滤层；所述空气净化装置包括至少一个风机、至少一个过滤器、及至少一个空气整流器；所述风机是一离心风机；所述风机设有一风机入风口、及一与风机入风口垂直设置的风机出风口；所述空气整流器设置于所述风机入风口的一侧，所述过滤器设置于所述空气整流器与所述风机入风口之间；所述用于空气净化的过滤层设置于所述过滤器；所述风机入风口、过滤器、及空气整流器依次排列成一直线组成空气输入通道。An air purifying device comprising the filter layer for an air purifying device according to any one of claims 1 to 9; the air purifying device comprising at least one fan, at least one filter, and at least one air a fan; the fan is a centrifugal fan; the fan is provided with a fan air inlet, and a fan air outlet vertically disposed with the fan air inlet; the air rectifier is disposed at one side of the fan air inlet, the filtering The air conditioner is disposed between the air rectifier and the air inlet of the fan; the filter layer for air purification is disposed in the filter; the air inlet, the filter, and the air rectifier are arranged in a line to form an air. Input channel.
- 根据权利要求10所述的空气净化装置，其特征在于，还包括一个负离子产生器，所述负离子产生器设置负离子释放尖端。The air cleaning apparatus according to claim 10, further comprising a negative ion generator, said negative ion generator being provided with a negative ion releasing tip.
- 根据权利要求11所述的空气净化装置，其特征在于，所述负离子释放尖端放置于所述第一过滤层与第二过滤层之间。The air cleaning apparatus according to claim 11, wherein said negative ion releasing tip is placed between said first filter layer and said second filter layer.
- 根据权利要求11所述的空气净化装置，其特征在于，所述负离子释放尖端安插于所述第一过滤层与第二过滤层之间。The air cleaning apparatus according to claim 11, wherein said negative ion releasing tip is interposed between said first filter layer and said second filter layer.
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- 2018-09-30 CN CN201821617152.6U patent/CN209399502U/en active Active
- 2018-10-09 CN CN201890001270.6U patent/CN214050775U/en active Active
- 2018-10-09 WO PCT/CN2018/109384 patent/WO2019072151A1/en active Application Filing
- 2018-10-09 CN CN201821633405.9U patent/CN209399503U/en active Active
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| CN214050775U (en) | 2021-08-27 |
| CN209399503U (en) | 2019-09-17 |
| CN209399502U (en) | 2019-09-17 |
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