CN1221358A - 空气净化装置 - Google Patents
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Abstract
本发明涉及一种除尘器,该除尘器中有待净化空气的气流通道,所述除尘器可装在一特别用来净化空气中带电粒子的空气净化装置中,所述除尘器与一高压电源电连接,该除尘器包括电位不同的至少两个电极件(01,02)或电极件组(011,022),所述电极件(01,02)和(011,022)呈带状,它们围绕一轴线卷绕至少一圈、最好卷绕若干圈,相邻两圈电极件(01,02)或(011,022)之间有一径向间隙(d),电极件在气流方向上的宽度小于其卷绕长度。本发明还涉及本发明除尘器的制作方法。本发明的特征在于,电极件(01,02)或(011,022)的最好只在除尘器(00)一边上的边缘部用固定材料(05)相对固定。
Description
本发明涉及一种除尘器,该除尘器中有待净化空气的气流通道,所述除尘器可装在一特别用来净化空气中带电粒子的空气净化装置中,所述除尘器与一高压电源电连接,该除尘器包括电位不同的至少两个电极件或电极件组,所述电极件呈带状,它们围绕一轴线卷绕至少一圈、最好卷绕若干圈,相邻两圈电极件之间有一径向间隙,电极件在气流方向上的宽度小于其卷绕长度。本发明还涉及这种除尘器的制作方法。
SE-B-469 466公开了一种具有一电离部的两步电过滤器,所述电离部的下游有一所谓的除尘器。上述专利申请的除尘器的电极件由用高电阻非金属材料制成的平板构成,所述材料还抗静电(所谓散逸材料)。由于使用这种材料,除尘能力比用金属材料制成的现有除尘器电极件大大提高,电极件之间的电压也比用低电阻材料制成的现有电极件高。此外,公开了一种新电离室,所述新电离室非常简单、可高效地使粒子带电、发出的臭氧量极低。
SE-9303894-1对上述专利申请的除尘器作出进一步改进。该专利申请通过电屏蔽除尘器的电极件的边缘部,进一步提高了所述电极件之间的电压,从而提高了除尘能力。
尽管新设计的电过滤器的性能提高,特别是使用纤维素基材料,电离室大大简化,但所述两发明并未提高空气净化装置的应用性,也未使用在其他应用场合,例如排风管中的过滤器、小轿车过滤器、厨房油烟过滤器或其他种种工业应用场合,虽然上述两发明已可毫无问题地提供新鲜空气,电过滤技术在许多方面优于所谓的栏网过滤器中使用的过滤技术。
该过滤技术的应用非常有限的原因在于,空气净化装置除了高效净化空气外,还必须满足更广用户提出的其他种种主要要求。
这些要求随应用场合而变,但它们在同一使用场合中对不同使用者、污染程度不同的环境来说也很不同。
在至少一个使用场合中、例如对可装在现成通风装置中的单独空气净化器来说,必须满足的要求举例来说有每立方米净化空气的初始成本/运行费用低、噪声低、安装位置灵活而可安装在种种内部空间中、操作简单、更换成本低、废过滤盒不仅对环境不造成污染,还无害于健康的人、对灰尘过敏的人/哮喘病人、使用寿命长等。
鉴于上述要求,本发明的主要目的是提供一种新型除尘器,它的使用领域广,特别是用作排风管中的过滤器、单独空气净化器、厨房排风罩/过滤器、小轿车过滤器等等,此外还提供新型外壳和该空气净化装置的***清洁设备。
因此,悬浮微粒在空气净化装置中传送前如何使它们带电无关紧要。可在布置在除尘器(从空气净化装置中的气流方向来说)上游的电离室中或在该空气净化装置所在空间中或其他方式使悬浮微粒带电。
下面结合附图说明本发明,附图中:
图1为本发明除尘器(00)的立体图;
图2示出一用来绕制具有两组电极件(011,022)的除尘器的线筒;
图3示出两组电极件(011,022)和用来卷绕这两组电极件的一线筒(10);
图4示出除尘器清洁装置;
图5a和5b示出在气流方向上的一部分空气净化器;
图6示出在气流方向上的一部分厨房排风罩。
图1中的除尘器(00)包括两纤维素基材料的带状电极件(01,02),它们在一线筒(10)上卷绕若干圈。
在卷绕过程中用装在除尘器(00)一端上的隔离带(30)保持电极件(01,02)之间的径向间距″d″,所述隔离带(30)的轴向宽度最好不到除尘器(00)轴向宽度的一半。比方说可用绝缘的热熔粘合剂以间距″d″永久固定电极件(01,02),所述热熔粘合剂最好位于除尘器(00)的另一端即与隔离带相对的一端,粘合剂最好呈从线筒沿径向向外伸展的弦线(05)状。弦线的数量视线筒的直径和电极件所使用的材料而定。电极件(01,02)固定/粘牢后除去隔离带(30)。比方说可用手或线筒(10)轴向上的压缩空气除去隔离带。如使用压缩空气,隔离带应是一次性的,因为要把它们整理成再次使用是非常花时间的。本申请所使用的隔离带应用柔软的弹性材料制成。
把除尘器(00)绕制在一线筒(10)上以及用热熔粘合剂固定电极件只是例示性的而非限制性的。电极件(01,02)也并非一定用纤维素基材料制成不可。在某些应用场合可使用其他导电材料或半导电材料,例如金属带一铝带或导电的塑料基材料、半导电或抗静电材料或合适的涂层。
也可用合适的模铸复合物、膨胀橡胶取代热熔粘合剂,还可用更硬的材料加固热熔粘合剂、模铸复合物等,特别是在间距″d″较大时,例如超过4mm时。
本发明除尘器还可使用两组或更多组电极件(011,022)。这特别可用于气流通道较大的场合,例如排风管中的空气过滤器。图3示出用来卷绕两组电极件的线筒(10)的一优选实施例。
在许多应用场合,制作电极件或电极件组的材料可使用纤维素基材料、最好是防潮材料,例如由Iggesund公司制造、商标为INVERCOTE PB的纸板。电极件材料的厚度举例说为0.2-1.0mm。材料厚度为0.2mm时,间距″d″最好约为0.7mm;材料厚度为0.7mm时,间距″d″最好约为2.5mm。
按照本发明权利要求的除尘器(00)的结构还特别适用于如专利SE9303894-1所述对电极件1(01,02;011,022)的切边部进行电屏蔽,从而提高除尘器的效率和隔潮性。
电极件(01,02)可绕制在图2所示线筒(10)上。该线筒最好由两错开间距″d″的相同半圆柱体构成。电极件在线筒(10)上的固定可简单地用图2或1所示槽口(11)实现。一个先决条件是线筒用电绝缘材料制成。除尘器的相对固定的电极件(01)和(02)绕组可装在一壳体中,该壳体最好呈圆筒(12)状,其制作材料与电极件相同。壳体(12)和与壳体接触的电极件绕组与高压电源的一端电连接并接地。包住除尘器的电极件(01,02)的壳体也可由电极件之一在另一电极件绕好后在电极件之间不用隔离件的情况下继续紧紧卷绕一圈或若干圈而成,而不是上述圆筒形壳体(12)。这同样适用于由两组或多组电极件(011,022;0111,0222等)构成的除尘器。
图1所示两电极件(01,02)的带宽相同,其边缘部位于同一平面中。当然这不是限制性的。
两电极件(01,02)和(011,022)的带宽也可不同,它们在气流方向上也可错开。
在本发明范围内,此时相邻两电极件(01,02;011,022)之间的绝缘距离须比间距″d″长,电极件/电极件组之一或两电极件/电极件组可用两种电性能不同的材料制成或涂覆电性能不同的材料,即两种复合物带或涂覆不同材料的带,一种材料为电绝缘材料,另一种材料有一定的导电性。
为了确保两电极件的整个带长与高压电源的两端的电连接,如两电极件之一或两电极件(01,02或011,022)由高电阻或抗静电材料制成,则在电极件(01,02或011,022)的带长上贴制导电图案。该低阻线路举例说可为刷在电极件的切边上的导电漆。当然,重要的是这一导电图案或线路只占总带宽的一部分,以便不降低用高电阻或抗静电材料制成的除尘器的所需性能。在卷绕电极件时,最好是,电极件之一的低阻线路位于除尘器的进口端,另一电极件的低阻线路位于除尘器的出口端。两电极件分别与高压电源两端的电连接也可使用其他方式。
由于除尘器的固定结构(05)只在除尘器的一边上,因此可从另一边比方说浸渍电极件(01,02)或(011,022)。例如可把除尘器沉入浸渍材料中而不影响绝缘结构。这特别适用于须在电极件上涂碳过滤胶的场合,该涂层是非弹性的,因此在绕制除尘器(00)前无法涂覆。
由于该除尘器的横截面呈对称的圆形、电极件(01,02)或(011,022)固定在除尘器的一边上,因此特别适用于电极件之间和该绝缘结构顶部上的灰尘会降低除尘器的空气净化能力的场合。该除尘器还适合于用本发明真空清洁器或同时用真空清洁器和鼓风机清洁该除尘器。图4示出空气净化装置的一实施例和真空清洁喷嘴(50)的位置。
由于真空清洁须在除尘器的整个进口表面(在某些情况下进口表面和出口表面)上进行,因此按照本发明,在真空清洁喷嘴(50)的吸气口沿径向覆盖除尘器的同时除尘器最好围绕其轴线转动,以便除尘器相对真空清洁喷嘴转动。
这种方法当然可用于单独空气净化器中,但特别适用于所谓的排风管过滤器,此时,只要不时如上所述清洁除尘器、防止灰尘桥接在电极件(01,02)或(011,022)之间,本发明空气净化装置就可长期正常工作而无需维护。此时也可用一在径向上布置在真空清洁喷嘴另一边或除尘器两边上的鼓风喷嘴与真空清洁器一起清洁除尘器。
图5a示出空气净化器一优选实施例的气流通道的一部分,包括从气流方向看位于除尘器(10)上游的一电离室(06)和所述除尘器下游的一风扇(62)。该除尘器特别适合于装在一圆形壳体(60)中。该壳体最好用纸制成,但并非非用纸不可。
在所示实施例中,高压电源(61)与风扇(62)直接连接。风扇的格栅(63)状支架装在一环形件(64)上,该环形件的外径稍小于壳体(60)的直径,其内径稍大于风扇叶片的直径。一用绝缘材料制成的轭架件(65)一方面与环形件(66)一起构成供除尘器(00)放置其上的表面,另一方面用作电极件(01)或(02)之一和电晕电极与高压电源(61)两端之一之间的简单连接。
在所示上述实施例中为碳纤维刷的电晕电极位于支架(14)的一端上,所述电晕电极的支架(14)穿过线筒(10)中的一孔(09)而与部件(66)接触。
部件(66)可用载流、半导电或抗静电材料制成;最好用一电线或其他方式与高压电源(61)的一端连接。
纸管(60)在除尘器(00)上方的内套在所示实施例中还构成所谓的靶子电极。由于纸的导电率随湿度而变,可在壳体(60)的内表面上比方说涂导电漆,该表面最好与高压电源接地的一端电连接。在本发明范围内,壳体(60)可分为两部分,上部(60b)也用纸制成、为第一部分的延长。由于该空气净化装置置于其中的管道的进口与出口之间的距离较长,因此可非常有效地使用该空气净化装置的空气净化能力。
图5b示出图5a装置的修正实施例,其中,部件(66)有一可相对部件(65)转动的轴。该装置的壳体(60)中在除尘器进口平面处有一供合适真空清洁喷嘴***的开口。在所示实施例中,可用手经壳体(60)中的槽形开口相对真空清洁喷嘴转动除尘器。
用作静电空气净化器壳体的管的制作材料,使用纸比使用其他材料好。特别是,由于纸比金属或塑料之类材料软,因此噪声低。为了进一步降低噪声,可非常简单地在壳体(60)内表面上覆盖一层最好也是用纸制成的有孔贴面。室内空气的质量不光决定于粒子数量。建筑材料、家具、人体、宠物等也会发出种种气体。
因此空气净化装置还应包括气体吸收剂、例如活性炭过滤器。与静电粒子净化不同,碳过滤器的气流压力降很大,为了空气在空气净化器中的流动,通常须提高风扇转速,从而噪声大大提高。
图5a和6所示壳体(60)非常适合于在该净化装置中装尺寸很大、从而气体吸收能力很强的碳过滤器。在图5a和6中,一圆筒形碳过滤器(67)套在该装置的空气净化出口上。
由于该壳体的简单性和高度(长度),碳过滤器的表面比除尘器的通道表面大得多,因此所述气流流速在碳过滤器中相应低,在同样的风扇转速下空气流量的减小可忽略不计。
本发明的另一应用领域是净化厨房油烟。为了用灶具上方50cm处的排风罩有效抽吸油烟,空气流量须为600立方米/小时。对抽油烟机的要求有气流大、噪声低、净化空气中的粒子和气体、价格低、维护简单。
现有油烟机无法满足上述要求,至少无法同时满足上述要求。本发明的结构简单的空气净化装置不但可抽吸油烟,还能不断净化厨房中的空气。
现有抽油烟机装有由若干层金属网构成的机械过滤器,从而在一定程度上净化油烟、防止废油滴下到灶具上。如此设计的过滤部件的特征是气流的压力降大、气流量低、风扇的噪声高。
而本发明图6所示具有气体吸收剂的除尘器实施例的气流强、噪声低、粒子和气体净化率高。
实验证明,收集在电极上的灰尘可吸引烹调过程中生成的废油,防止它们下滴到灶具上。如除尘器的电极件用具有一定吸油力的纤维素基材料制成,则可进一步增强这一功能。
在本发明范围内,可如图7所示在空气净化装置的空气通道中前后串联设置若干除尘器。
本发明空气净化装置不限于使粒子带电的某一方式、空气也并非非在一空气通道中流动不可。因此可在电离室或在该装置所在空间中使粒子带电。可用机械风扇或所谓的离子风或其他方式产生气流。
本申请除尘器还指比方说可装在图5a所示空气净化器中的一部件。除尘器的清洁尽管如上所述,但最终还得用新除尘器更换。
Claims (10)
1、除尘器,该除尘器中有待净化空气的气流通道,所述除尘器可装在一特别用来净化空气中带电粒子的空气净化装置中,所述除尘器与一高压电源电连接,该除尘器包括电位不同的至少两个电极件(01,02)或电极件组(011,022),所述电极件(01,02)和(011,022)呈带状,它们围绕一轴线卷绕至少一圈、最好卷绕若干圈,相邻两圈电极件(01,02)或(011,022)之间有一径向间隙(d),电极件在气流方向上的宽度小于其卷绕长度,其特征在于,电极件(01,02)或(011,022)的最好只在除尘器(00)一边上的边缘部用固定材料(05)相对固定。
2、按权利要求1所述的除尘器,其特征在于,该固定材料(05)最好由热熔粘合剂、模铸或膨胀复合物等构成。
3、按权利要求2所述的除尘器,其特征在于,该固定材料(05)为从该轴线沿径向向外伸展的弦线。
4、按上述任一权利要求所述的除尘器,其特征在于,电极件(01,02和011,022)绕制在一电绝缘材料线筒(10)上。
5、按上述任一权利要求所述的除尘器,其特征在于,电极件(01,02)或(011,022)用高电阻或抗静电材料、最好为纤维素基材料制成。
6、按权利要求5所述的除尘器,其特征在于,电极件(01,02)和(011,022)之一或两电极件上涂有导电漆或导电层,所述导电漆或导电层只占一部分带宽。
7、按上述任一权利要求所述的除尘器,其特征在于,除尘器(00)的离轴线更远绕组中的电极件或电极件组比另一电极件或电极件组长,从而在另一电极件或电极件组绕制完后继续卷绕一圈或若干圈并用粘合剂粘合在自身上,从而形成一紧包住该除尘器(00)的壳体(13)。
8、按上述任一权利要求所述的除尘器,其特征在于,用一位于除尘器旁、用作电离源的点状或刷子状件(17)使悬浮粒子带电,所述电离源的支架(14)穿过所述线筒(10)中的一孔(9),从下方用部件(66)实现支架(14)和电极件或电极件组之一的电连接。
9、按上述任一权利要求所述的除尘器,其特征在于,在除尘器(00)围绕其轴线转动的同时在除尘器的进口表面和/或出口表面处,用吸气或吹气口盖住除尘器的整个进口/出口表面的合适喷嘴,清洁该除尘器。
10、按上述任一权利要求所述的除尘器(00)的制作方法,其特征在于,用带状电极件(01,02)和(011,022)围绕一轴线卷绕至少一圈、最好是若干圈,用装在相邻两电极件(01和02)或(011和022)之间的隔离件(30)在相邻电极件(01和02)或(011,022)之间形成一径向间隙(d),电极件(01,02)或(011,022)的最好只在除尘器(00)一边上的边缘部用固定材料(05)相对固定,然后抽出隔离件(30)。
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- 1997-06-03 DE DE69717162T patent/DE69717162T2/de not_active Expired - Lifetime
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- 1997-06-03 CN CN97195207A patent/CN1221358A/zh active Pending
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- 1997-06-03 PL PL97330311A patent/PL183497B1/pl unknown
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Also Published As
Publication number | Publication date |
---|---|
SE9602211D0 (sv) | 1996-06-04 |
EP1007214A1 (en) | 2000-06-14 |
DE69717162D1 (de) | 2002-12-19 |
NO985593L (no) | 1999-01-28 |
PL183497B1 (pl) | 2002-06-28 |
CA2257064A1 (en) | 1997-12-11 |
NO985593D0 (no) | 1998-11-30 |
US6203600B1 (en) | 2001-03-20 |
AU715542B2 (en) | 2000-02-03 |
SE9602211L (sv) | 1997-12-05 |
JP2000511463A (ja) | 2000-09-05 |
BR9709644A (pt) | 1999-08-10 |
SE517541C2 (sv) | 2002-06-18 |
KR20000016181A (ko) | 2000-03-25 |
DE69717162T2 (de) | 2003-07-17 |
AU3198397A (en) | 1998-01-05 |
CA2257064C (en) | 2008-08-05 |
WO1997046322A1 (en) | 1997-12-11 |
EP1007214B1 (en) | 2002-11-13 |
PL330311A1 (en) | 1999-05-10 |
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