JP2010131540A - Dust collection cell and air cleaner - Google Patents

Dust collection cell and air cleaner Download PDF

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JP2010131540A
JP2010131540A JP2008310711A JP2008310711A JP2010131540A JP 2010131540 A JP2010131540 A JP 2010131540A JP 2008310711 A JP2008310711 A JP 2008310711A JP 2008310711 A JP2008310711 A JP 2008310711A JP 2010131540 A JP2010131540 A JP 2010131540A
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ground electrode
dust collection
collector
collection cell
electrode plate
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Masayuki Iwata
昌之 岩田
Atsushi Tamura
敦 田村
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Azbil Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dust collection cell and an air cleaner capable of extending a maintenance period. <P>SOLUTION: Grounding electrode plates 18-1, 18-2, 18-3 are juxtaposed in a space between an ionizer 4 and a collector (secondary collector) 5, the electrode group is used as a primary collector 19. Respective grounding electrode plates 18 are juxtaposed in the direction A of gas to be cleaned from an inflow side toward an outflow side, avoiding overlapping of their own through-holes H with through-holes H of the adjacent grounding electrode plates 18. Thus, mist and particles ionized by the ionizers 4 collide with a face P having the through-holes H of the grounding electrode plates 18, coarse particles having relatively large specific gravity in the mist and particles are attracted on the grounding electrode plates 18, and the remaining particles reach the secondary collectors 5 through the through-holes H of the grounding electrode plates 18. In the secondary collectors 5, the mist and particles having relatively small specific gravity ( e.g., pure water-soluble ones and oil) are attracted on the secondary collectors 5. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

この発明は、屋内空気を浄化するために用いて好適な集塵セルおよびエアクリーナに関するものである。   The present invention relates to a dust collection cell and an air cleaner suitable for use in purifying indoor air.

図８は従来のエアクリーナを示す構成図であり、同図において、１はエアクリーナの矩形筒形のケースで、このケース１内の一方の開口端部にはサランネットおよび不織布などからなるプレフィルタ２が設けられている。   FIG. 8 is a block diagram showing a conventional air cleaner. In FIG. 8, reference numeral 1 denotes a rectangular cylindrical case of the air cleaner, and a prefilter 2 made of saran net, nonwoven fabric or the like at one open end in the case 1. Is provided.

３はケース１内の中央部付近に設置された集塵セルであり、この集塵セル３内には浄化対象の気体の流入側にイオナイザ４が、浄化対象の気体の流出側にコレクタ５が設置されている。   Reference numeral 3 denotes a dust collection cell installed near the center of the case 1. The dust collection cell 3 has an ionizer 4 on the inflow side of the gas to be purified and a collector 5 on the outflow side of the gas to be purified. is set up.

イオナイザ４はタングステン線や放電エッジなどのコロナ放電により空気をイオン化する複数の放電電極６を、接地された複数のプレート（電極）７により挟むように配置したものからなり、コレクタ５は正，負の高電圧が印加されて、対向する２枚のコレクタ極板８，９を複数組備えたものからなる。   The ionizer 4 includes a plurality of discharge electrodes 6 that ionize air by corona discharge such as tungsten wires and discharge edges, and is sandwiched between a plurality of grounded plates (electrodes) 7. The collector 5 is positive or negative. And a plurality of sets of two opposing collector plates 8 and 9 are provided.

１０は集塵セル３の出口側に設けられた脱臭機能などを有する活性炭フィルタ、１１はケース１内の他方の開口端部に設けられたファンである。   Reference numeral 10 denotes an activated carbon filter having a deodorizing function provided on the outlet side of the dust collection cell 3, and 11 a fan provided at the other opening end in the case 1.

図９に集塵セル３の要部の回路図を示す。集塵セル３にはイオナイザ４およびコレクタ５に高電圧を供給する高電圧出力装置（パワーパック）１２が付設されている。高電圧出力装置１２は、その出力段に、直列接続された分圧抵抗１３，１４を備えている。   FIG. 9 shows a circuit diagram of the main part of the dust collection cell 3. The dust collection cell 3 is provided with a high voltage output device (power pack) 12 for supplying a high voltage to the ionizer 4 and the collector 5. The high voltage output device 12 includes voltage dividing resistors 13 and 14 connected in series at its output stage.

図９において、１５はイオナイザ入力線、１６はコレクタ入力線であり、イオナイザ入力線１５から取り出される直流の高電圧（例えば、８ｋＶ）ＨｉＶがイオナイザ４の放電電極６とプレート７との間に印加され、コレクタ入力線１６から取り出される直流の高電圧（例えば、４ｋＶ）ＬｏＶがコレクタ５のコレクタ極板８，９間に印加される。イオナイザ４におけるプレート７およびコレクタ５におけるコレクタ電極８は接地されている。   In FIG. 9, 15 is an ionizer input line, 16 is a collector input line, and a DC high voltage (for example, 8 kV) HiV taken out from the ionizer input line 15 is applied between the discharge electrode 6 of the ionizer 4 and the plate 7. Then, a DC high voltage (for example, 4 kV) LoV taken out from the collector input line 16 is applied between the collector electrode plates 8 and 9 of the collector 5. The plate 7 in the ionizer 4 and the collector electrode 8 in the collector 5 are grounded.

このエアクリーナ１００では、電源の投入によって、高電圧出力装置１２内で高電圧ＨｉＶおよびＬｏＶを発生させ、この高電圧ＨｉＶおよびＬｏＶをイオナイザ入力線１５およびコレクタ入力線１６へそれぞれ供給する。これにより、イオナイザ４の放電電極６とプレート７との間およびコレクタ５のコレクタ極板８，９間にそれぞれ高電圧が印加される。   In the air cleaner 100, when the power is turned on, high voltages HiV and LoV are generated in the high voltage output device 12, and the high voltages HiV and LoV are supplied to the ionizer input line 15 and the collector input line 16, respectively. Thereby, a high voltage is applied between the discharge electrode 6 of the ionizer 4 and the plate 7 and between the collector electrode plates 8 and 9 of the collector 5.

一方、ケース１の一端からは、浄化対象の気体として埃を含む空気が、ファン１１の吸引力を受けてケース１内に吸い込まれ、この埃のうち大きな埃はプレフィルタ２にて集塵される。そして、このプレフィルタ２を通過した微小の埃である粒子が集塵セル３のイオナイザ４へ流入し、放電電極６の周辺に生じた電界内でイオン化され、その多くはプラス(+)に帯電される。図８および図９において、矢印Ａは、集塵セル３における浄化対象の気体の通過方向を示す。   On the other hand, from one end of the case 1, air containing dust as a gas to be purified is sucked into the case 1 by the suction force of the fan 11, and large dust out of this dust is collected by the pre-filter 2. The The fine dust particles that have passed through the prefilter 2 flow into the ionizer 4 of the dust collection cell 3 and are ionized in the electric field generated around the discharge electrode 6, most of which are charged positively (+). Is done. 8 and 9, an arrow A indicates the passage direction of the gas to be purified in the dust collection cell 3.

この帯電したプラス（＋），マイナス（−）の粒子はコレクタ５に流入し、コレクタ５のコレクタ極板８，９間に至り、プラス（＋）に帯電した粒子は接地されたコレクタ極板８に、わずかではあるがマイナス（−）に帯電した粒子は高電圧が印加されているコレクタ極板９に、それぞれ吸着される。集塵された後の空気は、活性炭フィルタ１０を通過して脱臭され、ケース１の他方の開口端から室内に送り出される（例えば、特許文献１，２参照）。   The charged positive (+) and negative (−) particles flow into the collector 5, reach between the collector electrode plates 8 and 9 of the collector 5, and the positively charged particles are connected to the grounded collector electrode plate 8. In addition, although slightly charged, the negatively charged particles are adsorbed by the collector plate 9 to which a high voltage is applied. The air after dust collection passes through the activated carbon filter 10 to be deodorized, and is sent out from the other opening end of the case 1 into the room (for example, refer to Patent Documents 1 and 2).

特開平９−３１３９８４号公報JP-A-9-313984 特開平９−０９９２５４号公報Japanese Patent Laid-Open No. 9-099254

しかしながら、上述した従来のエアクリーナ１００では、タバコや花粉、ハウスダスト等の一般の大気粉塵を中心とした一般家庭やオフィスなどで使用される場合には問題はないが、ミストなどを中心としたウェット環境の工場やプラントなどで使用する場合、メンテナンスを頻繁に行わなければならないという問題があった。   However, the above-described conventional air cleaner 100 has no problem when used in ordinary homes or offices such as cigarettes, pollen, and house dust, but is mainly wet. When used in environmental factories or plants, there is a problem that frequent maintenance is required.

すなわち、例えば工場やプラントなどでは、室内環境で発生する粉塵量に対して大量の粉塵が発生する。さらに粉塵にはドライ粉塵だけでなくミストのようなウェット粉塵も含まれる。この場合、集塵セル３の前段に設けられたプレフィルタ２でミストを含む比較的比重の大きな粉塵類が主に捕集され、プレフィルタ２で捕集されなかった比較的比重の小さいミストや微粒子が集塵セル３で捕集される。   That is, for example, in a factory or a plant, a large amount of dust is generated with respect to the amount of dust generated in the indoor environment. Furthermore, the dust includes not only dry dust but also wet dust such as mist. In this case, dust having a relatively large specific gravity including mist is mainly collected by the pre-filter 2 provided in the previous stage of the dust collection cell 3, and a mist having a relatively small specific gravity that has not been collected by the pre-filter 2. Fine particles are collected in the dust collection cell 3.

ミスト自体は集塵セル３のコレクタ５で捕集されると液化し、コレクタ電極８，９にほとんどこびり着くことはなく流れ落ちるため、洗浄も容易である。しかし、ミスト成分に塵等が混入してコレクタ５で捕集されると、コレクタ電極８，９にこびり着いて溜まるので、集塵セル３を洗浄する機会が増え、また、洗浄作業もやっかいとなる。   The mist itself is liquefied when collected by the collector 5 of the dust collection cell 3 and flows down with almost no sticking to the collector electrodes 8 and 9, so that cleaning is easy. However, if dust or the like is mixed in the mist component and collected by the collector 5, it will stick to the collector electrodes 8 and 9 and accumulate, so the chance of cleaning the dust collection cell 3 increases and the cleaning work is also troublesome. It becomes.

このエアクリーナ１００において、集塵セル３のメンテナンス周期を伸ばすためには、コレクタ５で極力比重の大きいミストを含む粉塵を大量に集塵させない必要がある。しかしながら、単純にプレフィルタ２の集塵能力を上げると圧力損失が増え、また、プレフィルタ２の目詰まりも早まり、結果的にメンテナンス周期が短くなる。   In this air cleaner 100, in order to extend the maintenance cycle of the dust collection cell 3, it is necessary that the collector 5 does not collect a large amount of dust containing mist having a large specific gravity as much as possible. However, if the dust collection capacity of the prefilter 2 is simply increased, the pressure loss increases and the prefilter 2 is also clogged, resulting in a shorter maintenance cycle.

尚、ここではミスト環境を例に説明をしたが、一般の大気粉塵を中心としたドライ環境でも同様の効果も見込める。前段のプライマリコレクタで比較的比重の大きな粗い粒子を集塵し、後段のセカンダリコレクタで細かい粒子を集塵することでトータル的なメンテナンス周期を伸ばすこともできる。   In addition, although the mist environment was demonstrated here as an example, the same effect can be anticipated also in the dry environment centering on general atmospheric dust. The total maintenance cycle can be extended by collecting coarse particles having a relatively large specific gravity with the primary collector at the front stage and collecting fine particles with the secondary collector at the rear stage.

本発明は、このような課題を解決するためになされたもので、その目的とするところは、メンテナンス周期を伸ばすことができる集塵セルおよびエアクリーナを提供することにある。   The present invention has been made to solve such problems, and an object of the present invention is to provide a dust collection cell and an air cleaner capable of extending a maintenance cycle.

このような目的を達成するために本発明は、浄化対象の気体の流入側に設置され、高電圧の供給を受けて、浄化対象の気体中の粒子をイオン化するイオナイザと、浄化対象の気体の流出側に設置され、高電圧の供給を受けて、イオナイザによりイオン化された粒子を吸着するコレクタ（セカンダリコレクタ）と、イオナイザとコレクタとの間の空間に設置された浄化対象の気体の流入側から流出側へ向かう方向にラビリンス構造を有する接地電極板（プライマリコレクタ）とを設けたものである。   In order to achieve such an object, the present invention is provided on the inflow side of the gas to be purified, and is supplied with a high voltage to ionize particles in the gas to be purified, and the gas to be purified. A collector (secondary collector) that is installed on the outflow side and receives high-voltage supply to adsorb particles ionized by the ionizer, and from the inflow side of the gas to be purified installed in the space between the ionizer and collector A ground electrode plate (primary collector) having a labyrinth structure is provided in a direction toward the outflow side.

本発明において、接地電極板は浄化対象の気体の流入側から流出側へ向かう方向にラビリンス構造を有するが、そのラビリンス構造の一例として、浄化対象の気体の流入側から流出側へ向かう方向に１以上の貫通孔を有する面を向けて接地電極板を設置するようにするとよい。このようにすると、浄化対象の気体に塵等が付着したミストが混入していたような場合、イオナイザによりイオン化されたミスト（プラス（＋）に帯電されたミスト）が接地電極板の貫通孔を有する面にぶつかって、そのミスト中の大きな粒子が接地電極板に吸着され、残りの粒子が接地電極板の貫通孔を通ってセカンダリコレクタへ至る。これにより、セカンダリコレクタにおける比重の大きいミストを含む粉塵が大量に吸着される機会が減り、集塵セルのメンテナンス周期を伸ばすことができる。   In the present invention, the ground electrode plate has a labyrinth structure in the direction from the inflow side to the outflow side of the gas to be purified. As an example of the labyrinth structure, 1 in the direction from the inflow side to the outflow side of the gas to be purified. The ground electrode plate is preferably installed with the surface having the above-described through holes facing. In this way, when mist with dust or the like is mixed in the gas to be purified, the mist ionized by the ionizer (mist charged to plus (+)) passes through the through hole of the ground electrode plate. The large particles in the mist collide with the surface to be adsorbed by the ground electrode plate, and the remaining particles pass through the through hole of the ground electrode plate and reach the secondary collector. Thereby, the opportunity in which the dust containing mist with large specific gravity in a secondary collector is adsorbed in large quantities decreases, and the maintenance cycle of a dust collection cell can be extended.

また、一般の大気粉塵を中心としたドライ環境でもイオナイザによりイオン化された粉塵（プラス（＋）に帯電された粉塵）が接地電極板の貫通孔を有する面にぶつかって、その粉塵の中の大きな粉塵が接地電極板に吸着され、残りの細かい粉塵が接地電極板の貫通孔を通ってコレクタへ至る。これによりセカンダリコレクタにおいては大きな粉塵を吸着する機会が減り、集塵セルのメンテナンス周期を伸ばすことができる。   Also, in a dry environment centered on general atmospheric dust, dust ionized by the ionizer (plus (+) charged dust) hits the surface of the ground electrode plate that has a through-hole, and a large amount of dust Dust is adsorbed on the ground electrode plate, and the remaining fine dust reaches the collector through the through hole of the ground electrode plate. Thereby, in the secondary collector, the opportunity to adsorb large dust is reduced, and the maintenance cycle of the dust collection cell can be extended.

本発明において、接地電極板は１枚でもよいが、浄化対象の気体の流入側から流出側へ向かう方向に沿って接地電極板を複数並置するようにしてもよい。例えば、１以上の貫通孔を有する接地電極板とする場合、各接地電極板を、自己の貫通孔と隣接する接地電極板の貫通孔とが、浄化対象の気体の流入側から流出側に向かう方向において、互いに重ならないように並置する。このようにすると、イオナイザによりイオン化されたミストや粒径の大きな粉塵が手前の接地電極板の貫通孔を真っ直ぐに通過した後、後の接地電極板の貫通孔を真っ直ぐに通過するということがなく、次々に接地電極板の貫通孔を有する面にぶつかるものとなる。これにより、ミスト中の粒子や粒径の大きな粉塵が接地電極板に吸着される回数が増え、セカンダリコレクタでは比重の小さい微粒子を主に集塵させることができる。要するに、セカンダリコレクタに到達する前に、ほとんどの部分(粒径の大きいもの)をプライマリコレクタで処理可能とする。   In the present invention, the number of ground electrode plates may be one, but a plurality of ground electrode plates may be juxtaposed along the direction from the inflow side to the outflow side of the gas to be purified. For example, in the case of a ground electrode plate having one or more through holes, each ground electrode plate has its own through hole and the through hole of the adjacent ground electrode plate directed from the inflow side to the outflow side of the gas to be purified. In the direction, they are juxtaposed so as not to overlap each other. In this way, the mist ionized by the ionizer or the dust having a large particle diameter does not pass straight through the through hole of the ground electrode plate on the front side and then passes straight through the through hole of the ground electrode plate on the front side. One after another hits the surface of the ground electrode plate having the through holes. As a result, the number of times the particles in the mist and the dust having a large particle size are adsorbed by the ground electrode plate increases, and the secondary collector can mainly collect fine particles having a small specific gravity. In short, most parts (those with a large particle size) can be processed by the primary collector before reaching the secondary collector.

また、本発明において、１以上の貫通孔を有する接地電極板とする場合、接地電極板の貫通孔は、単なる孔ではなく、その貫通孔から切り起こされた傾斜面を有するものとし、この傾斜面にイオナイザによりイオン化されたミストや粒径の大きな粉塵がぶつかるものとしてもよい。この場合、貫通孔から切り起こされた傾斜面は、浄化対象の気体の流出側へ切り起こされた傾斜面としてもよく、浄化対象の気体の流入側へ切り起こされた傾斜面としてもよい。   In the present invention, when a ground electrode plate having one or more through holes is used, the through hole of the ground electrode plate is not a mere hole but has an inclined surface cut and raised from the through hole. It is good also as what the mist ionized with the ionizer and dust with a large particle size collide with the surface. In this case, the inclined surface cut and raised from the through hole may be an inclined surface cut and raised to the outflow side of the gas to be purified, or may be an inclined surface cut and raised to the inflow side of the gas to be purified.

また、本発明において、１以上の貫通孔を有する接地電極板とする場合、貫通孔から切り起こされた傾斜面を有する接地電極板を用いるようにし、この接地電極板を浄化対象の気体の流入側から流出側へ向かう方向に沿って複数並置する際、各接地電極板を自己の貫通孔と隣接する接地電極板の貫通孔とが浄化対象の気体の流入側から流出側に向かう方向において互いに重なるように並置するようにしてもよい。   Further, in the present invention, when a ground electrode plate having one or more through holes is used, a ground electrode plate having an inclined surface cut and raised from the through hole is used, and this ground electrode plate is supplied with an inflow of gas to be purified. When a plurality of juxtapositions are made along the direction from the side toward the outflow side, the ground electrode plates are connected to each other in the direction from the inflow side to the outflow side of the gas to be purified. You may make it juxtapose so that it may overlap.

また、本発明において、接地電極板は必ずしも１以上の貫通孔を有するものとしなくてもよく、接地電極板をその板面を浄化対象の気体の流入側から流出側へ向かう方向にほゞ平行にして複数配置するようにし、この接地電極板にはその板面に浄化対象の気体の流入側から流出側へ向かう方向に対面する屈曲部を形成するものとしてもよい。   In the present invention, the ground electrode plate does not necessarily have one or more through-holes, and the ground electrode plate is substantially parallel to the direction from the inflow side to the outflow side of the gas to be purified. The ground electrode plate may be formed with a bent portion facing the direction from the inflow side to the outflow side of the gas to be purified.

また、本発明は、集塵セル単体としてではなく、集塵セルに浄化対象の気体を流入させるファンと組み合わせたエアクリーナとしても提供することができる。   In addition, the present invention can be provided not only as a dust collection cell but also as an air cleaner combined with a fan that allows the gas to be purified to flow into the dust collection cell.

本発明によれば、イオナイザとコレクタとの間の空間に、浄化対象の気体の流入側から流出側へ向かう方向にラビリンス構造を有する接地電極板を設置するようにしたので、浄化対象の気体に塵等が付着したミストや粒径の大きな粉塵が混入していたような場合、そのミスト中の大きな粒子や粒径の大きな粉塵を接地電極板に吸着させるようにして、セカンダリコレクタでは比重の小さい微粒子を主に集塵させることができ、集塵セルのメンテナンス周期を伸ばすことができるようになる。   According to the present invention, the ground electrode plate having the labyrinth structure is installed in the direction from the inflow side to the outflow side of the gas to be purified in the space between the ionizer and the collector. If dust or other mist with a large particle size is mixed, large particles in the mist or large particle size is adsorbed to the ground electrode plate, and the secondary collector has a low specific gravity. Fine particles can be mainly collected, and the maintenance cycle of the dust collection cell can be extended.

以下、本発明を図面に基づいて詳細に説明する。図１はこの発明に係る集塵セルの一実施の形態の要部を示す図である。同図において、図９と同一符号は図９を参照して説明した構成要素と同一或いは同等構成要素を示し、その説明は省略する。   Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a view showing a main part of an embodiment of a dust collection cell according to the present invention. 9, the same reference numerals as those in FIG. 9 denote the same or equivalent components as those described with reference to FIG. 9, and the description thereof will be omitted.

本実施の形態の集塵セル１７は、イオナイザ４とコレクタ５との間の空間に、浄化対象の気体の流入側から流出側へ向かう方向（矢印Ａ方向）に沿って複数の接地電極板１８を並置している。この例では、複数の接地電極板１８として、接地電極板１８−１，１８−２，１８−３の３つを並置している。   The dust collection cell 17 according to the present embodiment has a plurality of ground electrode plates 18 in the space between the ionizer 4 and the collector 5 along the direction (arrow A direction) from the inflow side to the outflow side of the gas to be purified. Are juxtaposed. In this example, three ground electrode plates 18-1, 18-2, 18-3 are juxtaposed as the plurality of ground electrode plates 18.

接地電極板１８−１，１８−２，１８−３は、それぞれ貫通孔Ｈ１，Ｈ２，Ｈ３を複数有しており、この貫通孔Ｈ１，Ｈ２，Ｈ３を有する面Ｐ１，Ｐ２，Ｐ３を浄化対象の気体の流入側から流出側へ向かう方向（矢印Ａ方向）に向けて、イオナイザ４とコレクタ５との間の空間に設置されている。   The ground electrode plates 18-1, 18-2, 18-3 each have a plurality of through holes H1, H2, H3, and the surfaces P1, P2, P3 having the through holes H1, H2, H3 are to be purified. It is installed in the space between the ionizer 4 and the collector 5 in the direction (arrow A direction) from the gas inflow side to the outflow side.

また、各接地電極板１８は、自身の貫通孔Ｈと隣接する接地電極板１８の貫通孔Ｈとが、浄化対象の気体の流入側から流出側に向かう方向（矢印Ａ方向）において、互いに重ならないように並置されている。すなわち、接地電極板１８−１について言えば、接地電極板１８−１の貫通孔Ｈ１と隣接する接地電極板１８−２との貫通孔Ｈ２とが矢印Ａ方向において互いに重ならないように、接地電極板１８−１の貫通孔Ｈ１と接地電極板１８−２の貫通孔Ｈ２とをずらして配置している。接地電極１８−２，１８−３についても同様にして配置されている。   In addition, each ground electrode plate 18 overlaps with each other in the direction from the inflow side to the outflow side of the gas to be purified (direction of arrow A). It is juxtaposed so that it does not become. That is, with respect to the ground electrode plate 18-1, the ground electrode plate 18-1 is so arranged that the through hole H1 of the ground electrode plate 18-1 and the through hole H2 of the adjacent ground electrode plate 18-2 do not overlap each other in the direction of arrow A. The through hole H1 of the plate 18-1 and the through hole H2 of the ground electrode plate 18-2 are shifted from each other. The ground electrodes 18-2 and 18-3 are similarly arranged.

この接地電極板１８−１，１８−２，１８−３は１つの電極群１９を構成している。以下、この電極群１９をプライマリコレクタと呼ぶ。また、このプライマリコレクタ１９と区別するために、従来から用いられているコレクタ５をセカンダリコレクタと呼ぶ。   The ground electrode plates 18-1, 18-2 and 18-3 constitute one electrode group 19. Hereinafter, this electrode group 19 is referred to as a primary collector. Further, in order to distinguish from the primary collector 19, the collector 5 conventionally used is called a secondary collector.

図２にこの集塵セル１７の外観図を示す。本実施の形態では、この集塵セル１７を従来の集塵セル３（図８）に代えてエアクリーナ１００に搭載し、エアクリーナ２００（図３）とする。このエアクリーナ２００では、浄化対象の気体の流入側から流出側へ向かう方向（矢印Ａ方向）に沿って、イオナイザ４，プライマリコレクタ１９，セカンダリコレクタ５の順で各電極群が配置された構成とされる。   FIG. 2 shows an external view of the dust collection cell 17. In the present embodiment, the dust collection cell 17 is mounted on the air cleaner 100 in place of the conventional dust collection cell 3 (FIG. 8) to obtain an air cleaner 200 (FIG. 3). In the air cleaner 200, each electrode group is arranged in the order of the ionizer 4, the primary collector 19, and the secondary collector 5 along the direction (arrow A direction) from the inflow side to the outflow side of the gas to be purified. The

以下、このエアクリーナ２００を工場やプラントなどで使用するものとし、塵等が付着したミストが空気に多く混入している場合を例にとって、その動作について説明する。   Hereinafter, the operation of the air cleaner 200 will be described by taking as an example the case where the air cleaner 200 is used in a factory, a plant, or the like, and a large amount of dust or other mist is mixed in the air.

このエアクリーナ２００では、電源の投入によって、高電圧出力装置１２内で高電圧を発生させ、この高電圧をイオナイザ入力線１５へ、また分圧抵抗１３，１４によって分圧した高電圧をコレクタ入力線１６へ、それぞれ供給する。これにより、イオナイザ４の放電電極６とプレート７との間およびセカンダリコレクタ５のコレクタ極板８，９間にそれぞれ高電圧が印加される。   In this air cleaner 200, when the power is turned on, a high voltage is generated in the high voltage output device 12, and this high voltage is divided into the ionizer input line 15 and the high voltage divided by the voltage dividing resistors 13 and 14 is applied to the collector input line. 16 respectively. Thereby, a high voltage is applied between the discharge electrode 6 of the ionizer 4 and the plate 7 and between the collector electrode plates 8 and 9 of the secondary collector 5.

一方、ケース１の一端からは、浄化対象の気体として塵等が付着したミストや粉塵を含む空気が、ファン１１の吸引力を受けてケース１内に吸い込まれ、この塵等が付着したミストや粉塵の中の大きな粒子の一部はプレフィルタ２にて集塵される。そして、このプレフィルタ２を通過したミストや粉塵を含む空気が集塵セル１７のイオナイザ４へ流入し、放電電極６の周辺に生じた静電界内でイオン化されてプラス（＋）に帯電される。   On the other hand, from one end of the case 1, air containing dust or dust with dust or the like as a gas to be purified is sucked into the case 1 by the suction force of the fan 11, Part of large particles in the dust is collected by the pre-filter 2. The air containing mist and dust that has passed through the prefilter 2 flows into the ionizer 4 of the dust collection cell 17 and is ionized in the electrostatic field generated around the discharge electrode 6 to be charged positively (+). .

このプラス（＋）に帯電されたミストや粉塵は、接地電極板１８−１の貫通孔Ｈ１を有する面Ｐ１にぶつかって、そのミストや粉塵の中の大きな粒子が接地電極板１８−１に吸着され、残りの粒子（面Ｐ１にぶつかっても吸着されなかった粒子や面Ｐ１にぶつからなかった粒子）が接地電極板１８−１の貫通孔Ｈ１を通過する。   The plus (+) charged mist and dust collide with the surface P1 having the through hole H1 of the ground electrode plate 18-1, and large particles in the mist and dust are adsorbed to the ground electrode plate 18-1. Then, the remaining particles (particles that were not adsorbed even when they hit the surface P1 or particles that did not hit the surface P1) pass through the through hole H1 of the ground electrode plate 18-1.

接地電極板１８−１の貫通孔Ｈ１を通過したミストや粉塵は、接地電極板１８−２の貫通孔Ｈ２を有する面Ｐ２にぶつかって、そのミストや粉塵の中の大きな粒子が接地電極板１８−２に吸着され、残りの粒子（面Ｐ２にぶつかっても吸着されなかった粒子や面Ｐ２にぶつからなかった粒子）が接地電極板１８−２の貫通孔Ｈ２を通過する。   The mist or dust that has passed through the through hole H1 of the ground electrode plate 18-1 collides with the surface P2 having the through hole H2 of the ground electrode plate 18-2, and large particles in the mist or dust are grounded. -2 is adsorbed and the remaining particles (particles that are not adsorbed even if they hit the surface P2 or particles that do not hit the surface P2) pass through the through hole H2 of the ground electrode plate 18-2.

接地電極板１８−２の貫通孔Ｈ２を通過したミストや粉塵は、接地電極板１８−３の貫通孔Ｈ３を有する面Ｐ３にぶつかって、そのミストや粉塵の中の大きな粒子が接地電極板１８−３に吸着され、残りの粒子（面Ｐ３にぶつかっても吸着されなかった粒子や面Ｐ３にぶつからなかった粒子）が接地電極板１８−３の貫通孔Ｈ３を通過する。   The mist and dust that have passed through the through-hole H2 of the ground electrode plate 18-2 collide with the surface P3 having the through-hole H3 of the ground electrode plate 18-3, and large particles in the mist and dust are grounded electrode plate 18. -3 and the remaining particles (particles that were not adsorbed even if they hit the surface P3 or particles that did not hit the surface P3) pass through the through hole H3 of the ground electrode plate 18-3.

接地電極板１８−３の貫通孔Ｈ３を通過したミストや粉塵は、セカンダリコレクタ５に流入し、セカンダリコレクタ５のコレクタ極板８，９間に至り、コレクタ極板８に吸着される。この場合、ミストや粉塵の中の大きな粒子はその殆どが接地電極板１８−１，１８−２，１８−３で吸着されるので、セカンダリコレクタ５に流入するミスト中の粒子や粉塵は微小となる。   The mist or dust that has passed through the through hole H3 of the ground electrode plate 18-3 flows into the secondary collector 5, reaches between the collector electrode plates 8 and 9 of the secondary collector 5, and is adsorbed by the collector electrode plate 8. In this case, since most of the large particles in the mist and dust are adsorbed by the ground electrode plates 18-1, 18-2, 18-3, the particles and dust in the mist flowing into the secondary collector 5 are very small. Become.

このようにして、本実施の形態によれば、セカンダリコレクタ５では比重の小さい微粒子を主に集塵させることができ、集塵セル１７のメンテナンス周期を伸ばすことができる。   In this way, according to the present embodiment, the secondary collector 5 can mainly collect fine particles having a small specific gravity, and the maintenance cycle of the dust collection cell 17 can be extended.

なお、プライマリコレクタ１９は、プレフィルタ２と比較して圧力損失が少なく、プレフィルタ２の集塵能力を上げるよりも、性能面で有利になる。また、プライマリコレクタ１９は、高電圧を印加する電極構造とはされていないので、給電及び絶縁機構が不要となり構造が簡単になる可能性がある。   The primary collector 19 has less pressure loss than the prefilter 2 and is more advantageous in terms of performance than increasing the dust collection capability of the prefilter 2. In addition, since the primary collector 19 does not have an electrode structure for applying a high voltage, there is a possibility that a power supply and an insulation mechanism are not required and the structure can be simplified.

図４にプライマリコレクタ１９の具体例を示す。このプライマリコレクタ１９Ａでは、丸形状の孔（貫通孔）ＨＡをパンチングした板金を接地電極板１８Ａとし、この接地電極板１８Ａをその貫通孔ＨＡが重ならないように交互に積層させている。例えば、接地電極板１８Ａを共通部品とし、例えばその左右の位置を入れ替えることによって、隣接する接地電極板１８Ａ間の貫通孔ＨＡが重ならないようにしている。この他、接地電極板１８Ａとして貫通孔ＨＡの位置が異なる２種類の接地電極板を作り、この２種類の接地電極板を交互に積層するなどの方式も考えられる。   FIG. 4 shows a specific example of the primary collector 19. In this primary collector 19A, a sheet metal obtained by punching round holes (through holes) HA is used as a ground electrode plate 18A, and the ground electrode plates 18A are alternately stacked so that the through holes HA do not overlap. For example, the ground electrode plate 18A is used as a common component, and the left and right positions thereof are switched, for example, so that the through holes HA between the adjacent ground electrode plates 18A do not overlap. In addition, two types of ground electrode plates with different positions of the through holes HA are prepared as the ground electrode plate 18A, and the two types of ground electrode plates are alternately stacked.

また、この接地電極板１８Ａを用いる場合、隣接する接地電極板１８Ａの貫通孔ＨＡ同士は、必ずしもその全ての領域が重ならないようにしなくてもよい。すなわち、図５（ａ）に示すように、手前の接地電極１８Ａの貫通孔ＨＡと後の接地電極１８Ａの貫通孔ＨＡとをその全ての領域において重ならないようにするのに対し、図５（ｂ）に示すように、手前の接地電極１８Ａの貫通孔ＨＡと後の接地電極１８Ａの貫通孔ＨＡとを交差させ、重ならない一部の領域が生じるようにしてもよい。本発明でいう「互いに重ならないようにする」という定義には、「全部の領域」のみではなく、このような「一部の領域」も含まれるものである。   Further, when this ground electrode plate 18A is used, it is not always necessary for the through holes HA of adjacent ground electrode plates 18A to overlap each other. That is, as shown in FIG. 5 (a), the through hole HA of the front ground electrode 18A and the through hole HA of the rear ground electrode 18A are not overlapped in all the regions, whereas FIG. As shown in b), the through hole HA of the front ground electrode 18A and the through hole HA of the subsequent ground electrode 18A may be crossed so that a part of the non-overlapping region is generated. The definition of “not to overlap each other” in the present invention includes not only “all areas” but also “partial areas”.

図６にプライマリコレクタ１９の別の具体例を示す。このプライマリコレクタ１９Ｂでは、角形状の孔（貫通孔）ＨＢを切り起こし加工によって形成した板金を接地電極板１８Ｂとし、この接地電極板１８Ｂをその貫通孔ＨＢが重なるように積層させている。   FIG. 6 shows another specific example of the primary collector 19. In the primary collector 19B, a sheet metal formed by cutting and processing a square hole (through hole) HB is used as a ground electrode plate 18B, and the ground electrode plate 18B is laminated so that the through hole HB overlaps.

このプライマリコレクタ１９Ｂにおいて、接地電極板１８の各貫通孔ＨＢは、その貫通孔ＨＢから切り起こされた傾斜面ＨＰを有しており、この傾斜面ＨＰにイオン化されたミストや粉塵がぶつかり、ここでそのミスト中の大きな粒子や粒径の大きな粉塵が吸着される。この場合、貫通孔ＨＢから切り起こされた傾斜面ＨＰは、浄化対象の気体の流出側へ切り起こされた傾斜面としてもよく、浄化対象の気体の流入側へ切り起こされた傾斜面としてもよい。   In the primary collector 19B, each through hole HB of the ground electrode plate 18 has an inclined surface HP cut and raised from the through hole HB, and ionized mist and dust collide with the inclined surface HP. Thus, large particles in the mist and large dust particles are adsorbed. In this case, the inclined surface HP cut and raised from the through hole HB may be an inclined surface cut and raised to the outflow side of the gas to be purified, or an inclined surface cut and raised to the inflow side of the gas to be purified. Good.

このプライマリコレクタ１９Ｂでは、貫通孔ＨＢを通過する際にミストや粉塵が傾斜面ＨＰにぶつかるので、隣接する接地電極板１８Ｂの貫通孔ＨＢ同士を重ならないようにしなくても、ミスト中の大きな粒子や粒径の大きな粉塵を効率よく接地電極板１８に吸着させることができる。これにより、接地電極板１８Ｂを共通部品とし、一方向に揃えて重ねて行くのみで、簡単にプライマリコレクタ１９Ｂを得ることができる。   In this primary collector 19B, since mist and dust collide with the inclined surface HP when passing through the through hole HB, large particles in the mist can be obtained without making the through holes HB of the adjacent ground electrode plates 18B overlap. In addition, dust having a large particle diameter can be efficiently adsorbed to the ground electrode plate 18. As a result, the primary collector 19B can be easily obtained simply by using the ground electrode plate 18B as a common component and aligning them in one direction.

なお、図６に示した例では、接地電極板１８Ｂを共通部品とし、その貫通孔ＨＢが重なるように積層させたが、接地電極板１８Ｂとして貫通孔ＨＢの位置が異なる２種類の接地電極板を作り、この２種類の接地電極板を交互に積層するなどの方式も考えられる。   In the example shown in FIG. 6, the ground electrode plate 18B is used as a common component, and the through holes HB are stacked so as to overlap. However, as the ground electrode plate 18B, two types of ground electrode plates having different positions of the through holes HB are used. A method is also conceivable in which the two types of ground electrode plates are alternately laminated.

また、上述した実施の形態では、プライマリコレクタ１９を複数の接地電極板で構成したが、１つの接地電極板で構成するものとしてもよい。また、接地電極板に設ける貫通孔は、必ずしも複数でなくてもよく、１個でも構わない。また、接地電極板に設ける貫通孔は、丸形状、角形状に限られるものではない。   In the above-described embodiment, the primary collector 19 is composed of a plurality of ground electrode plates. However, the primary collector 19 may be composed of one ground electrode plate. Further, the number of through holes provided in the ground electrode plate is not necessarily plural, and may be one. Further, the through hole provided in the ground electrode plate is not limited to a round shape or a square shape.

上述したプライマリコレクタ１９Ａでは、接地電極板１８Ａに丸形状の孔（貫通孔）ＨＡを形成することによって、本発明でいうラビンリンス構造を実現している。また、上述したプライマリコレクタ１９Ｂでは、接地電極板１８Ｂに角形状の孔（貫通孔）ＨＢを切り起こし加工によって形成することによって、本発明でいうラビンリンス構造を実現している。このラビリンス構造は必ずしも貫通孔を設けることによって実現しなくてもよい。   In the primary collector 19A described above, the rabin rinse structure referred to in the present invention is realized by forming a round hole (through hole) HA in the ground electrode plate 18A. Further, in the primary collector 19B described above, the Rabin rinse structure referred to in the present invention is realized by cutting and forming a square hole (through hole) HB in the ground electrode plate 18B. This labyrinth structure does not necessarily have to be realized by providing a through hole.

図７にプライマリコレクタ１９の他の具体例を示す。このプライマリコレクタ１９Ｃでは、接地電極板１８Ｃをその板面を浄化対象の気体の流入側から流出側へ向かう方向にほゞ平行にして複数配置するようにし、これら接地電極板１８Ｃの板面に貫通孔ではなく、浄化対象の気体の流入側から流出側へ向かう方向に対面する屈曲部ＢＰを形成している。   FIG. 7 shows another specific example of the primary collector 19. In the primary collector 19C, a plurality of ground electrode plates 18C are arranged so that their plate surfaces are substantially parallel to the direction from the inflow side to the outflow side of the gas to be purified, and penetrate through the plate surfaces of these ground electrode plates 18C. Instead of a hole, a bent portion BP is formed that faces in a direction from the inflow side to the outflow side of the gas to be purified.

なお、図７（ａ）はプライマリコレクタ１９Ｃの平面図、図７（ｂ）はプライマリコレクタ１９Ｃの正面図、図７（ｃ）はプライマリコレクタ１９Ｃの側板を取り外した状態を示す側面図である。プライマリコレクタ１９Ｃの中心部には、支柱Ｊが設けられており、この支柱Ｊを通して接地電極板１８Ｃが並設されている。   7A is a plan view of the primary collector 19C, FIG. 7B is a front view of the primary collector 19C, and FIG. 7C is a side view showing a state in which the side plate of the primary collector 19C is removed. A support column J is provided at the center of the primary collector 19C, and a ground electrode plate 18C is provided in parallel through the support column J.

このプライマリコレクタ１９Ｃでは、隣接する接地電極板１８Ｃの板面間を浄化対象の気体が通過する。この場合、接地電極板１８Ｃの板面には浄化対象の気体の流入側から流出側へ向かう方向に対面する屈曲部ＢＰが形成されているので、この屈曲部ＢＰにイオン化されたミストや粉塵がぶつかり、ここでそのミスト中の大きな粒子や粒径の大きな粉塵が吸着される。   In the primary collector 19C, the gas to be purified passes between the plate surfaces of the adjacent ground electrode plates 18C. In this case, since a bent portion BP is formed on the plate surface of the ground electrode plate 18C so as to face in the direction from the inflow side to the outflow side of the gas to be purified, ionized mist and dust are formed in the bent portion BP. In the event of a collision, large particles in the mist and dust having a large particle size are adsorbed.

上述した実施の形態において、集塵セル１７をイオナイザ４とプライマリコレクタ１９のみの構成とすれば、すなわちセカンダリコレクタ５を除けば、一般空気環境における無放電セルとして使用することも可能である。   In the above-described embodiment, if the dust collection cell 17 has only the ionizer 4 and the primary collector 19, that is, if the secondary collector 5 is excluded, it can be used as a non-discharge cell in a general air environment.

本発明に係る集塵セルの一実施の形態の要部を示す図である。It is a figure which shows the principal part of one Embodiment of the dust collection cell which concerns on this invention. この集塵セルの外観図である。It is an external view of this dust collection cell. この集塵セルを用いたエアクリーナの構成図である。It is a block diagram of the air cleaner using this dust collection cell. この集塵セルに用いるプライマリコレクタの具体例を示す斜視図である。It is a perspective view which shows the specific example of the primary collector used for this dust collection cell. このプライマリコレクタにおける隣接する接地電極間の貫通孔の重なりを説明する図である。It is a figure explaining the overlap of the through-hole between the adjacent ground electrodes in this primary collector. この集塵セルに用いるプライマリコレクタの別の具体例を示す斜視図である。It is a perspective view which shows another specific example of the primary collector used for this dust collection cell. この集塵セルに用いるプライマリコレクタの他の具体例を示す図である。It is a figure which shows the other specific example of the primary collector used for this dust collection cell. 従来のエアクリーナの構成図である。It is a block diagram of the conventional air cleaner. 従来のエアクリーナにおける集塵セルの要部の回路図である。It is a circuit diagram of the principal part of the dust collection cell in the conventional air cleaner.

符号の説明Explanation of symbols

１…ケース、２…プレフィルタ、４…イオナイザ、５…コレクタ（セカンダリコレクタ）、６…放電電極、７…プレート（電極）、８，９…コレクタ極板、１０…活性炭フィルタ、１１…ファン、１２，１３…分圧抵抗、１４…高電圧出力装置、１５…イオナイザ入力線、１６…コレクタ入力線、１７…集塵セル、１８（１８−１，１８−２，１８−３，１８Ａ，１８Ｂ，１８Ｃ）…接地電極板、Ｈ（Ｈ１，Ｈ２，Ｈ３，ＨＡ，ＨＢ）…貫通孔、Ｐ（Ｐ１，Ｐ２，Ｐ３）…貫通孔を有する面、ＨＰ…傾斜面、ＢＰ…屈曲部、Ｊ…支柱、１９（１９Ａ，１９Ｂ，１９Ｃ）…プライマリコレクタ、２００…エアクリーナ。   DESCRIPTION OF SYMBOLS 1 ... Case, 2 ... Pre filter, 4 ... Ionizer, 5 ... Collector (secondary collector), 6 ... Discharge electrode, 7 ... Plate (electrode), 8, 9 ... Collector electrode plate, 10 ... Activated carbon filter, 11 ... Fan, 12, 13 ... Voltage dividing resistor, 14 ... High voltage output device, 15 ... Ionizer input line, 16 ... Collector input line, 17 ... Dust collection cell, 18 (18-1, 18-2, 18-3, 18A, 18B) 18C) ... ground electrode plate, H (H1, H2, H3, HA, HB) ... through hole, P (P1, P2, P3) ... surface with through hole, HP ... inclined surface, BP ... bent portion, J ... Still, 19 (19A, 19B, 19C) ... Primary collector, 200 ... Air cleaner.

Claims (7)

浄化対象の気体の流入側に設置され、高電圧の供給を受けて、前記浄化対象の気体中の粒子をイオン化するイオナイザと、
前記浄化対象の気体の流出側に設置され、高電圧の供給を受けて、前記イオナイザによりイオン化された前記粒子を吸着するコレクタと、
前記イオナイザと前記コレクタとの間の空間に設置された前記浄化対象の気体の流入側から流出側へ向かう方向にラビリンス構造を有する接地電極板と
を備えることを特徴とする集塵セル。 An ionizer installed on the inflow side of the gas to be purified, receiving a high voltage supply, and ionizing particles in the gas to be purified;
A collector that is installed on the outflow side of the gas to be purified, receives supply of a high voltage, and adsorbs the particles ionized by the ionizer;
A dust collection cell, comprising: a ground electrode plate having a labyrinth structure in a direction from the inflow side to the outflow side of the gas to be purified, which is installed in a space between the ionizer and the collector. 請求項１に記載された集塵セルにおいて、
前記接地電極板は、
前記浄化対象の気体の流入側から流出側へ向かう方向に１以上の貫通孔を有する面を向けて設置されている
ことを特徴とする集塵セル。 The dust collection cell according to claim 1,
The ground electrode plate is
The dust collection cell, wherein the dust collection cell is installed with a surface having one or more through holes in a direction from the inflow side to the outflow side of the gas to be purified. 請求項２に記載された集塵セルにおいて、
前記接地電極板は、
前記浄化対象の気体の流入側から流出側へ向かう方向に沿って複数並置されている
ことを特徴とする集塵セル。 In the dust collection cell according to claim 2,
The ground electrode plate is
A plurality of dust cells arranged side by side along the direction from the inflow side to the outflow side of the gas to be purified. 請求項３に記載された集塵セルにおいて、
前記各接地電極板は、
自身の貫通孔と隣接する接地電極板の貫通孔とが、前記浄化対象の気体の流入側から流出側に向かう方向において、互いに重ならないように並置されている
ことを特徴とする集塵セル。 In the dust collection cell according to claim 3,
Each of the ground electrode plates is
The dust collection cell, wherein the through hole of the ground electrode plate adjacent to the self through hole is juxtaposed so as not to overlap each other in the direction from the inflow side to the outflow side of the gas to be purified. 請求項２〜４の何れか１項に記載された集塵セルにおいて、
前記接地電極板の貫通孔は、
その貫通孔から切り起こされた傾斜面を有する
ことを特徴とする集塵セル。 In the dust collection cell described in any one of Claims 2-4,
The through hole of the ground electrode plate is
A dust collection cell having an inclined surface cut and raised from the through hole. 請求項１に記載された集塵セルにおいて、
前記接地電極板は、
前記浄化対象の気体の流入側から流出側へ向かう方向にその板面をほゞ平行にして複数配置され、かつその板面に前記浄化対象の気体の流入側から流出側へ向かう方向に対面する屈曲部を有する
ことを特徴とする集塵セル。 The dust collection cell according to claim 1,
The ground electrode plate is
A plurality of plates are arranged substantially parallel to the direction from the inflow side to the outflow side of the gas to be purified, and face the direction from the inflow side to the outflow side of the gas to be purified. A dust collection cell having a bent portion. 請求項１〜６の何れか１項に記載された集塵セルと、
この集塵セルに浄化対象の気体を流入させるファンと
を備えることを特徴とするエアクリーナ。 A dust collection cell according to any one of claims 1 to 6;
An air cleaner comprising: a fan that allows a gas to be purified to flow into the dust collection cell.
JP2008310711A 2008-12-05 2008-12-05 Dust collection cell and air cleaner Pending JP2010131540A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2013121715A1 (en) * 2012-02-15 2015-05-11 パナソニックＩｐマネジメント株式会社 Speaker
JP2018504078A (en) * 2015-02-03 2018-02-08 キム、チョルヒＫＩＭ， Ｃｈｕｌｈｅｅ Nonflammable piezo piezoelectric speaker device
CN108452946A (en) * 2018-01-29 2018-08-28 珠海格力电器股份有限公司 A kind of air cleaning unit and its cleaning method

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JPH0929131A (en) * 1995-07-17 1997-02-04 Kokueki:Kk Electric purifier for removing smoke and dust or the like in air
JPH0975777A (en) * 1995-09-14 1997-03-25 Hitachi Ltd Electric precipitator for purifying exhaust gas
JPH0999254A (en) * 1995-10-04 1997-04-15 Yamatake Honeywell Co Ltd Device for monitoring air cleaner

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JPH0929131A (en) * 1995-07-17 1997-02-04 Kokueki:Kk Electric purifier for removing smoke and dust or the like in air
JPH0975777A (en) * 1995-09-14 1997-03-25 Hitachi Ltd Electric precipitator for purifying exhaust gas
JPH0999254A (en) * 1995-10-04 1997-04-15 Yamatake Honeywell Co Ltd Device for monitoring air cleaner

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Publication number Priority date Publication date Assignee Title
JPWO2013121715A1 (en) * 2012-02-15 2015-05-11 パナソニックＩｐマネジメント株式会社 Speaker
JP2018504078A (en) * 2015-02-03 2018-02-08 キム、チョルヒＫＩＭ， Ｃｈｕｌｈｅｅ Nonflammable piezo piezoelectric speaker device
CN108452946A (en) * 2018-01-29 2018-08-28 珠海格力电器股份有限公司 A kind of air cleaning unit and its cleaning method
CN108452946B (en) * 2018-01-29 2024-04-12 珠海格力电器股份有限公司 Air purifying device and cleaning method thereof

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