CN113245061A - 导电性无纺布滤网、其制造方法及包括其的电子集尘装置 - Google Patents

导电性无纺布滤网、其制造方法及包括其的电子集尘装置 Download PDF

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CN113245061A
CN113245061A CN202010116328.5A CN202010116328A CN113245061A CN 113245061 A CN113245061 A CN 113245061A CN 202010116328 A CN202010116328 A CN 202010116328A CN 113245061 A CN113245061 A CN 113245061A
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nonwoven fabric
copper
conductive nonwoven
fabric filter
conductive
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韩元在
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Hias E & L Co ltd
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Hias E & L Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
    • 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
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
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    • B03C3/36—Controlling flow of gases or vapour
    • B03C3/361—Controlling flow of gases or vapour by static mechanical means, e.g. deflector
    • B03C3/366—Controlling flow of gases or vapour by static mechanical means, e.g. deflector located in the filter, e.g. special shape of the electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/60—Use of special materials other than liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D28/00—Producing nets or the like, e.g. meshes, lattices
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    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
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    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
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    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
    • C23C18/2046—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
    • C23C18/2073—Multistep pretreatment
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Abstract

本发明包括以无电解镀敷方式涂敷铜的无纺布，上述无纺布为具有气孔且具有导电性的导电性无纺布滤网。

Description

导电性无纺布滤网、其制造方法及包括其的电子集尘装置
技术领域
本发明涉及利用导电性无纺布滤网的电子集尘装置，更详细地，涉及向多个导电性无纺布滤网施加极性互不相同的恒电压来捕集微尘的电子集尘装置。
背景技术
通常的电子集尘装置包括：带电部，引起电晕放电来向作为粒子相的物质的微粒提供大量离子，并使微粒带电；以及集尘部，形成电场，来通过静电力对借助带电部带电的微粒进行集尘。
当空气通过带电部及集尘部时，空气中的微粒在带电部带电，使带电的微粒被集尘部捕集。
通常，电子集尘装置的集尘部包括多个电极，多个电极通过隔开来形成电场。
但是，利用电晕放电来使微粒带电并集尘的电子集尘装置具有无法处理有害性气体(恶臭、酸性、挥发性有机化合物(VOC)、挥发油等)的问题，为了解决上述问题，在电子集尘装置的前方或后方单独设置活性炭滤网来处理有害气体。
在韩国专利授权第530973号和韩国专利授权第623853号等公开了如上所述的为了处理排气内的有害气体和微粒而在电子集尘装置的前方或后方设置活性炭滤网来处理的技术。
在如上所述的现有技术中，由于设置独立于电子集尘装置的活性炭滤网，具有使排气处理装置大型化的问题，并且，由于其结构复杂，具有设置成本上升、维护费用增加的问题。
为了解决上述问题，在韩国专利授权第1087055号和韩国专利授权第1373720号公开了使电子集尘装置小型化并通过向放电电极施加高电压来提高集尘效率的技术。
但是，在上述电子集尘装置中，单独设置用于使微尘带电的带电部、通过接收高电压来生成电场的放电部、用于捕集带电微尘的活性炭纤维滤网等，仍具有结构复杂、设置费用高、施加高电压的高电耗等问题。
现有技术文献
专利文献
专利文献1：韩国专利授权第530973号(公告日：2005年11月24日)
专利文献2：韩国专利授权第623853号(公告日：2006年09月12日)
专利文献3：韩国专利授权第1087055号(公告日：2011年11月28日)
专利文献4：韩国专利授权第1373720号(公告日：2014年03月13日)
发明内容
本发明所要实现的技术目的在于，提供一种通过向多个导电性无纺布滤网施加极性互不相同的恒电压来捕集微尘的电子集尘装置。
为了实现上述技术目的，本发明实施例的导电性无纺布滤网包括以无电解镀敷方式涂敷铜的无纺布，上述无纺布具有气孔，并且具有导电性。
上述无纺布可以为聚酯(poly ester)、聚丙烯(poly propylene)、聚乙烯(PolyEthylene)、丙烯酸的合成树脂材料或它们的复合合成纤维。
上述铜可以为纯铜、黄铜、青铜或新铜中的一种。
上述新铜(Neo Cu)可以为向锌基金属层压铜的金属。
上述气孔的大小可与涂敷铜之前的上述无纺布所包括的气孔的大小相同。
导电性无纺布滤网的制造方法可包括：蚀刻步骤，用于去除无纺布表面的氧化膜并形成均匀的表面粗度(Surface Roughness)；调节步骤，去除上述无纺布表面的氧化膜并吸附正电荷，以便易于吸附钯(Pd)；预浸(Pre-dip)步骤，去除在上述蚀刻步骤或上述调节步骤中产生的氧化膜，并使上述钯顺畅地吸附于上述无纺布表面；催化反应步骤，使处于负电荷状态的上述钯吸附于带有正电荷的上述无纺布表面；还原步骤，使用还原剂溶液将以负电荷状态吸附的上述钯转换为金属钯，来吸附于上述无纺布表面；以及化学镀铜步骤，向吸附有上述钯的上述无纺布表面镀敷规定厚度的铜来赋予导电性。
在上述蚀刻步骤、上述调节步骤、上述预浸步骤、上述催化反应步骤、上述还原步骤及上述化学镀铜步骤之间，可以利用空气排出部来维持上述无纺布所包括的气孔。
上述蚀刻步骤可以在70℃的温度条件下执行60秒钟，上述调节步骤可以在50℃的温度条件下执行90秒钟，上述预浸步骤可以在25℃的温度条件下执行30秒钟，上述催化反应步骤可以在45℃的温度条件下执行90秒钟，上述还原步骤可以在35℃的温度条件下执行45秒钟，上述化学镀铜步骤可以在45℃的温度条件下执行300秒钟。
上述铜可以为纯铜、黄铜、青铜或新铜中的一种。
上述新铜可以为向锌基金属层压铜的金属。
本发明的电子集尘装置可包括：上述导电性无纺布滤网；以及外壳部，设置有流入口、排出口及放置部，上述流入口用于使包含异物的空气流入，上述排出口用于排出去除上述异物的空气，上述放置部用于使多个上述导电性无纺布滤网以规定间隔相互隔开来放置于上述流入口与上述排出口之间，可以向对置的多个上述导电性无纺布滤网施加极性互不相同的恒电压。
包括于上述空气的微尘中的带有正电荷的微粒在通过上述导电性无纺布滤网的气孔的同时吸附于能施加负电荷的导电性无纺布滤网，而带有负电荷的微粒能够吸附于施加正电荷的导电性无纺布滤网。
上述恒电压可以为直流(DC)1V至12V。
除在上述内容中提及的本发明的技术目的之外，本发明所属技术领域的普通技术人员可通过以下的记述及说明明确理解本发明的其他特征及优点。
如上所述的本发明具有如下的效果。
本发明由导电性无纺布滤网和外壳部构成，具有结构简单、设置费用低的优点。
在本发明中，通过导电性无纺布滤网的气孔第一次过滤微尘，之后，导电性无纺布滤网通过所施加的恒电压来第二次过滤微尘，从而提高集尘效率。
本发明在导电性无纺布滤网上使用低电压的恒电压，从而可以节约耗电。
此外，还可以通过本发明实施例来掌握本发明的其他特征及优点。
附图说明
图1为示出本发明一实施例的导电性无纺布滤网的剖视图。
图2为示出本发明一实施例的导电性无纺布滤网以无电解镀敷方式涂敷前、后的图。
图3为示出本发明一实施例的导电性无纺布滤网的制造方法的流程图。
图4为示出与图3的制造方法相对应的制造工序的图。
图5为示出包括本发明一实施例的导电性无纺布滤网的电子集尘装置的立体图。
图6为图示化本发明一实施例的导电性无纺布滤网吸附空气中的微尘的方式的图。
图7为示出通过使用包括本发明一实施例的导电性无纺布滤网的电子集尘装置来进行测试的结果的图。
具体实施方式
需注意的是，在本说明书中，在对各个附图的结构要素赋予附图标记方面，即使出现在不同附图，但对相同的结构要素尽肯能赋予相同的附图标记。另外，在本说明书中叙述的术语的含义如下。
“包括”或“具有”等术语应理解为，不预先排除一个或一个以上的其他特征或数字、步骤、动作、结构要素或它们的组合的存在或附加可能性。
“在……上”不仅指一构成形成于一面或另一面的情况，还包括第三结构介于这些构成之间的情况。
以下，参照附图对用于解决上述问题而提出的本发明的优选实施例进行详细说明。
图1为示出本发明一实施例的导电性无纺布滤网的剖视图，图2为示出本发明一实施例的导电性无纺布滤网以无电解镀敷方式涂敷前、后的图。
参照图1及图2，导电性无纺布滤网100可以包括无纺布10以及铜101。
在导电性无纺布滤网100中，能够以无电解镀敷方式向无纺布10涂敷铜101，具有气孔且具有导电性。
无纺布10的材料可以为聚酯、聚丙烯、聚乙烯、丙烯酸的合成树脂材料或它们的复合合成纤维。
作为一例，复合合成纤维可以为通过聚酯和聚丙烯的粘附技术制备的合成纤维。
聚酯纤维可以包括聚对苯二甲酸乙二醇酯(PET)、聚乙醇酸(PGA)、聚乳酸(PLA)、聚己内酯(PCL)、聚羟基脂肪酸酯(PHA)、聚羟基丁酸酯(PHB)、聚己二酸乙烯酯(PEA)、聚丁二酸丁二醇酯(PBS)、3-羟基丁酸酯和3-羟基戊酸酯的共聚物(PHBV)、聚对苯二甲酸丁二醇酯(PBT)、聚对苯二甲酸丙二醇酯(PTT)、聚萘二甲酸乙二醇酯(PEN)以及聚芳酯纤维(Vectran)。
无电解镀敷为不使用从外部提供的电源，而利用还原剂来析出金属镀膜的方法。
由于不使用外部电源，因此在镀敷的过程中，不会因不均匀的电流分布而导致镀敷的厚度不同，因此具有能够形成复杂或精密的形状及可对非导体进行镀敷的优点。
铜101可以为纯铜、黄铜、青铜或者新铜(NEO-Cu)中的一种。
黄铜为在铜中添加锌而制成的合金，青铜为在铜中添加锡而制成的合金，相比于纯铜，不易发生氧化，因此可延长使用寿命。
新铜即经济且硬度高，可以为以在锌基金属层压铜的方式生产的合金。
通常，层压加工为在布或纸上紧贴塑料薄膜、塑料泡沫、纸布等的加工，为使粘附剂以辊压粘结或加热熔敷的方式。
可以通过上述层压加工方式向锌基金属熔敷铜来制备新铜。
新铜不仅具有铜的杀菌能力，还具有弥补铜硬度不够的缺点的优点。并且，相比于单价高的铜，还具有价格低廉的优点。
如上所述，导电性无纺布滤网100能够以如下方式制造，即，以无电解镀敷向无纺布10涂敷铜101，并保留无纺布10本身具有的气孔。
即，包括于无纺布10的气孔也可包括于导电性无纺布滤网100，在此情况下的气孔的大小可与涂敷铜101之前的无纺布所具有的气孔的大小相同。
通过在导电性无纺布滤网100形成气孔，使得空气中的大于气孔的粒子无法通过气孔，小于气孔的粒子可通过涂敷于无纺布10的铜101的导电性，在利用恒电压的吸附作用下被过滤。
可通过导电性无纺布滤网100的气孔第一次过滤粒子大的物质，之后，可通过涂敷于导电性无纺布滤网100的铜101第二次过滤粒子小的物质，无须追加设置复杂的滤网也能够轻易阻隔空气中的有害物质，如微尘的小粒子。
图3为示出本发明一实施例的导电性无纺布滤网的制造方法的流程图，图4为示出与图3的制造方法相对应的制造工序的图。
参照图3及图4，导电性无纺布滤网100的制造方法可以包括蚀刻步骤S210、调节步骤S220、预浸步骤S230、催化反应步骤S240、还原步骤S250以及镀铜步骤S260。
在此情况下，在各个蚀刻步骤S210、调节步骤S220、预浸步骤S230、催化反应步骤S240、还原步骤S250及化学镀铜步骤S260之间可以包括利用空气排出部201向无纺布10喷射空气的过程，即使无纺布10在进行各个制造步骤，空气排出部201也可使无纺布10所包括的气孔维持原样。
空气排出部201可由喷射空气的喷枪等构成。
通过空气排出部201喷射空气，来可在进行各步骤时不阻塞无纺布的气孔，但可在无纺布10形成氧化膜。上述氧化膜可被水溶液去除，上述水溶液储存于使通过空气排出部201的无纺布浸泡的下一步骤的各腔室内。
而且，阻塞无纺布气孔的水溶液可通过空气排出部201向储存容器202排出并储存。
以下，对各个步骤进行详细叙述。
蚀刻步骤S210可以为去除无纺布10表面的氧化膜并形成均匀的表面粗度的步骤。
在蚀刻步骤S210中，用于浸泡无纺布的蚀刻腔室210为了帮助无纺布10表面的清洗作用，可以储存包含亚硫酸氢钠(sodium bisulfite，NaHSO3)、硫酸(H2SO4)、过硫酸铵(ammonium persulfate，(NH4)2S2O8)以及纯水(pure water)的水溶液。
作为一例，无纺布10可以在蚀刻腔室210通过软蚀刻(soft-etching)加工来去除无纺布10表面的氧化膜。
形成于无纺布10表面的氧化膜可以妨碍之后所要以无电解镀敷方式涂敷的铜紧贴于无纺布10的表面，因此，通过蚀刻步骤S210来去除无纺布10表面的氧化膜，从而可以提高所要涂敷于无纺布10表面的铜镀膜的紧贴力。
进而，蚀刻步骤S210可以在70℃的温度条件下执行60秒钟。
当在70℃以上的温度条件下执行60秒钟以上的时间时，可能损伤无纺布10的表面，当在小于70℃的温度条件下执行小于60秒钟的时间时，无法完全去除无纺布10表面的氧化膜，会妨碍铜紧贴于无纺布10的表面。
调节步骤S220可以为去除无纺布表面的氧化膜并吸附正电荷的步骤。
在调节步骤S220中，用于浸泡去除氧化膜的无纺布10的调节腔室220可以储存PdCl2。
无纺布10通过储存有PdCl2的调节腔室220，使得金属离子，具体地，吸附于无纺布10孔壁的正电荷和之后吸附于无纺布10表面的钯容易被吸附。
但是，如上所述，在调节腔室220储存PdCl2是为了使金属离子吸附于无纺布10的表面，因此，当然也除PdCl2之外，可储存使金属离子吸附于无纺布10表面的能够代替的溶液。
进而，调节步骤S220可以在50℃的温度条件下执行90秒钟。
当在50℃以上的温度条件下执行90秒钟以上的时间时，可能无法在无纺布10的表面充分地吸附正电荷，当在小于50℃的温度条件下执行小于90秒钟的时间时，可能降低去除氧化膜的去除比率。
预浸步骤S230可以为为了使钯顺畅地吸附于无纺布10的表面而赋予湿润性的步骤，也可以为去除在蚀刻步骤S210或调节步骤S220中产生的氧化膜的步骤。
在预浸步骤S230中，用于浸泡无纺布的预浸腔室230可以储存包含稀盐酸等的水溶液，预浸步骤230可以在25℃的温度条件下执行30秒钟。
当在25℃以上的温度条件下执行30秒种以上的时间时，可降低在预浸步骤S230之后的催化反应步骤S240中的钯吸附于无纺布10表面的吸附力，当在小于25℃的温度条件下执行小于30秒钟的时间时，不仅可能降低钯吸附于无纺布10表面的吸附力，还有可能无法顺畅地去除氧化膜。
并且，预浸步骤S230可以保护催化剂，来使水或其他杂质流入催化剂液内的现象最小化。
催化反应步骤S240可以为将处于负电荷状态的钯吸附于通过阳离子表面活性剂而带正电荷的无纺布10表面的步骤。
具体地，可以在带有正电荷的孔内壁的铜箔表面吸附带负电荷的钯。
在催化反应步骤S240中，用于浸泡无纺布的催化反应腔室240可以储存将氯化钯(PdCl2)、硫酸钯(PdSO4)组成的金属物质溶解于盐酸、硫酸等酸溶液的水溶液。
但这仅为用于实施本发明的一个例示，除氯化钯(PdCl2)、硫酸钯(PdSO4)之外，还可替代为由氯化镍(NiCl2)、氯化锌(ZnCl2)、氯化银(AgCl)、氯化铜(CuCl2)、氯化铁(FeCl2)、氯化锡(SnCl2)、氯化锑(SbCl3)及氯化铟(InCl3)组成的金属物质等。
进而，催化反应步骤S240可以在45℃的温度条件下执行90秒钟。
当在45℃以上的温度条件下执行90秒钟以上的时间时，可能降低带负电荷的钯吸附于孔内壁的铜箔表面的吸附力，当在小于45℃的温度条件下执行小于90秒钟的时间时，不仅可能降低带负电荷的钯吸附于孔内壁的铜箔表面的吸附力，还有可能无法顺畅地去除氧化膜。
还原步骤S250可以为利用还原剂溶液将以负电荷状态吸附的钯转换为金属钯，来吸附于无纺布10表面的步骤。
在还原步骤S250中，用于浸泡无纺布10的还原腔室250可以储存甲醛或二甲胺硼烷的还原剂，还可以在还原腔室250储存能够使负电荷状态的钯转换为金属钯的多种还原剂。
进而，还原步骤S250可以在35℃的温度条件下执行45秒钟。
当在35℃的温度条件下执行45秒钟的时间时，可使负电荷状态的钯非常顺畅地转换为金属钯。
化学镀铜步骤S260可以为通过化学反应向吸附有钯的无纺布表面镀敷规定厚度的铜来赋予导电性的步骤。在此情况下，铜可以为纯铜、黄铜、青铜或新铜中的一种。
黄铜为在铜中添加锌而制成的合金，青铜为在铜中添加锡而制成的合金，新铜为在锌基金属层压铜的金属。
在化学镀铜步骤S260中，用于浸泡无纺布10的化学镀铜腔室260可以储存溶解有包含铜离子的金属物质的水溶液。
经过还原步骤S250浸泡于化学镀铜腔室260的无纺布10可以通过化学反应还原析出Cu2+离子，并使其以0.3～0.5μm的厚度镀敷于吸附有钯的孔内壁。
进而，化学镀铜步骤S260可以在45℃的温度条件下执行300秒钟。
当在45℃以上的温度条件下执行300秒钟以上的时间时，还原Cu2+离子，使得析出的镀金厚度过厚，当在小于45℃的温度条件下执行小于300秒钟的时间时，镀金的厚度太薄而容易使镀金脱落。
经过化学镀铜步骤S260为止的所有步骤制造的导电性无纺布滤网100不使用外部电源，而利用还原剂来向无纺布涂敷金属膜，因此可以在无纺布上形成厚度均匀的镀金，在无纺布微细的气孔之间也可以轻易地涂敷金属膜。
图5为示出包括本发明的导电性无纺布滤网的电子集尘装置的立体图。
参照图5，电子集尘装置300可以包括导电性无纺布滤网100以及外壳部310。
在上述内容中已说明导电性无纺布滤网100为以无电解镀敷方式涂敷铜的无纺布，因此，将省略重复内容。
外壳部310可以包括流入口301、排出口302以及放置部303。
流入口301用于使包含如微尘的异物的空气流入。
排出口302可以排出去除异物的干净的空气，通过流入口301流入的空气在通过包括导电性无纺布滤网100的外壳部310的内部的同时排出去除粒子大的异物和微尘的干净的空气。
放置部303可包括于外壳部310的内部，来使多个导电性无纺布滤网100以规定间隔隔开来放置于流入口301与排出口302之间。
在放置于放置部303的多个导电性无纺布滤网100中，可以向对置的一对导电性无纺布滤网100施加极性互不相同的恒电压。
在此情况下，可向导电性无纺布滤网100施加直流1V至12V。
根据涂敷于导电性无纺布滤网100的金属的种类，所施加的电压可不同。
例如，当向导电性无纺布滤网100涂敷纯铜时，可以施加较低的直流电压，当涂敷铜合金时，可以施加较高的直流电压。
在此情况下，外壳部310可以由绝缘体材质形成，可以捕集施加在导电性无纺布滤网100的电荷。
如电气集尘方式或等离子方式等，通过电压来去除空气中的异物的方式通过使用数千伏特的高电压来去除空气中的异物，不仅耗电大，而且，为了去除空气中的大粒子异物至如微尘的微粒异物，还需要追加使用能够去除大粒子的过滤装置及能够去除小粒子的吸附方式的滤网等多种装置的困难。
但是，本发明通过放置于外壳部310的多个导电性无纺布滤网100所包括的气孔第一次过滤大粒子，之后，若向通过无电解镀敷而涂敷的铜施加5V的恒电压，则可第二次吸附带有电荷的小粒子。
如上所述，可通过能够进行恒电压集尘方式来减少耗电，无需追加多种装置，可使集尘装置小型化，从而具有降低设置成本的优点。
对于本发明实施例的电子集尘装置进行更为具体的说明。
图6为图示化本发明一实施例的导电性无纺布滤网吸附空气中的微尘的方式的图。
参照图6，在本发明实施例的电子集尘装置300中，在包含微尘的空气通过施加有极性互不相同的恒电压的导电性无纺布滤网100的同时被导电性无纺布滤网100的气孔第一次过滤，之后，被施加在导电性无纺布滤网100的恒电压第二次吸附过滤。
在包括于外壳部310内部的导电性无纺布滤网100中，可以向对置的一对施加极性互不相同的恒电压。
在此情况下，外壳部310可以由绝缘体材质的非导体形成，从而可以捕集施加在导电性无纺布滤网100的电荷。
在本发明实施例的电子集尘装置300中，向对置的一对导电性无纺布滤网100施加极性互不相同的恒电压，微尘中带正电荷的微粒吸附于施加负电荷的导电性无纺布滤网100，带负电荷的微粒吸附于施加正电荷的导电性无纺布滤网100。
如上所述，在本发明实施例的电子集尘装置300中，通过导电性无纺布滤网100的气孔第一次过滤微尘，之后，通过施加在导电性无纺布滤网100的恒电压第二次过滤微尘，从而相比于普通无纺布滤网，可提高40％的集尘效率。
图7为示出通过使用包括本发明一实施例的导电性无纺布滤网的电子集尘装置来进行测试的结果的图。
参照图7的(a)部分及图7的(b)部分，对包括导电性无纺布滤网100的电子集尘装置300施加5V的电压，放置在窗前实施实验。
放置在窗户正前方的微尘测定装置测定通过没有任何过滤设施的窗户进来的空气的污染度。其结果为，空气的质量指数为71，表示良，而标准粒子浓度及超微尘为74、52，表示不太好。
相反地，参照图7的(c)部分，放置在包括导电性无纺布滤网100的电子集尘装置300正前方的微尘测定装置测定从窗户流入至电子集尘装置300的空气通过多个导电性无纺布滤网100后的空气污染度。其结果为，空气质量指数为45，表示优，标准粒子浓度及超微尘分别为32，表示良。
这为相比于仅通过以无电解镀敷方式在无纺布上涂敷铜之前的无纺布过滤空气中的异物的数值，集尘效率上升40％。
并且，现有技术的电子集尘装置单独设置有使微尘带电的带电部、接收高电压来生成电场的放电部、捕集带电微尘的活性炭纤维滤网等，具有结构复杂、设置费用高、施加高电压而使耗电大的问题。
与之相比，本发明实施例的电子集尘装置300由导电性无纺布滤网100和外壳部310构成，具有结构简单、设置费用低的优点。
并且，本发明实施例的包括导电性无纺布滤网100的电子集尘装置300使用5V的恒电压，可以节约耗电量。
以上所说明的本发明并不限定于如上所述的实施例及附图，可在不超出本发明的技术思想的范围内具有多种取代、变形及变更，这对本发明所属技术领域的普通技术人员而言是显而易见的。

Claims (13)

1.一种导电性无纺布滤网，其特征在于，
包括以无电解镀敷方式涂敷铜的无纺布，
上述无纺布具有气孔，并且具有导电性。
2.根据权利要求1所述的导电性无纺布滤网，其特征在于，上述无纺布为聚酯、聚丙烯、聚乙烯、丙烯酸的合成树脂材料或它们的复合合成纤维。
3.根据权利要求1所述的导电性无纺布滤网，其特征在于，上述铜为纯铜、黄铜、青铜或新铜中的一种。
4.根据权利要求3所述的导电性无纺布滤网，其特征在于，上述新铜为向锌基金属层压铜的金属。
5.根据权利要求1所述的导电性无纺布滤网，其特征在于，上述气孔的大小与涂敷铜之前的上述无纺布所包括的气孔的大小相同。
6.一种导电性无纺布滤网的制造方法，其特征在于，包括：
蚀刻步骤，用于去除无纺布表面的氧化膜并形成均匀的表面粗度；
调节步骤，去除上述无纺布表面的氧化膜并吸附正电荷，以便易于吸附钯；
预浸步骤，去除在上述蚀刻步骤或上述调节步骤中产生的氧化膜，并使上述钯顺畅地吸附于上述无纺布表面；
催化反应步骤，使处于负电荷状态的上述钯吸附于带有正电荷的上述无纺布表面；
还原步骤，使用还原剂溶液将以负电荷状态吸附的上述钯转换为金属钯，来吸附于上述无纺布表面；以及
化学镀铜步骤，向吸附有上述钯的上述无纺布表面镀敷规定厚度的铜来赋予导电性。
7.根据权利要求6所述的导电性无纺布滤网的制造方法，其特征在于，在上述蚀刻步骤、上述调节步骤、上述预浸步骤、上述催化反应步骤、上述还原步骤及上述化学镀铜步骤之间，利用空气排出部来维持上述无纺布所包括的气孔。
8.根据权利要求6所述的导电性无纺布滤网的制造方法，其特征在于，
上述蚀刻步骤在70℃的温度条件下执行60秒钟，
上述调节步骤在50℃的温度条件下执行90秒钟，
上述预浸步骤在25℃的温度条件下执行30秒钟，
上述催化反应步骤在45℃的温度条件下执行90秒钟，
上述还原步骤在35℃的温度条件下执行45秒钟，
上述化学镀铜步骤在45℃的温度条件下执行300秒钟。
9.根据权利要求6所述的导电性无纺布滤网的制造方法，其特征在于，上述铜为纯铜、黄铜、青铜或新铜中的一种。
10.根据权利要求9所述的导电性无纺布滤网的制造方法，其特征在于，上述新铜为向锌基金属层压铜的金属。
11.一种电子集尘装置，其特征在于，
包括：
权利要求1至5中任一项所述的导电性无纺布滤网；以及
外壳部，设置有流入口、排出口及放置部，上述流入口用于使包含异物的空气流入，上述排出口用于排出去除上述异物的空气，上述放置部用于使多个上述导电性无纺布滤网以规定间隔相互隔开来放置于上述流入口与上述排出口之间，
向对置的多个上述导电性无纺布滤网施加极性互不相同的恒电压。
12.根据权利要求11所述的电子集尘装置，其特征在于，包括于上述空气的微尘中的带有正电荷的微粒在通过上述导电性无纺布滤网的气孔的同时吸附于施加负电荷的导电性无纺布滤网，而带有负电荷的微粒吸附于施加正电荷的导电性无纺布滤网。
13.根据权利要求11所述的电子集尘装置，其特征在于，上述恒电压为直流1V至12V。
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