JP3389786B2 - Air cleaner - Google Patents

Air cleaner

Info

Publication number
JP3389786B2
JP3389786B2 JP21740496A JP21740496A JP3389786B2 JP 3389786 B2 JP3389786 B2 JP 3389786B2 JP 21740496 A JP21740496 A JP 21740496A JP 21740496 A JP21740496 A JP 21740496A JP 3389786 B2 JP3389786 B2 JP 3389786B2
Authority
JP
Japan
Prior art keywords
photocatalyst
filter
light source
ventilation
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP21740496A
Other languages
Japanese (ja)
Other versions
JPH1061986A (en
Inventor
敏之 加藤
一也 岡田
昌敏 堀本
俊一 布川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to JP21740496A priority Critical patent/JP3389786B2/en
Publication of JPH1061986A publication Critical patent/JPH1061986A/en
Application granted granted Critical
Publication of JP3389786B2 publication Critical patent/JP3389786B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】塵埃を除去するとともに、光
触媒を用いて臭い成分等の汚染物質を浄化する空気清浄
機に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifier that removes dust and uses a photocatalyst to purify pollutants such as odorous components.

【0002】[0002]

【従来の技術と発明が解決しようとする課題】従来、通
気流中に光触媒および光源を配置し、光源からの紫外線
を光触媒に当てて、汚染物質を浄化する機能を備えた空
気清浄機があった。この種の空気清浄機では、プレフィ
ルタのみによって塵埃が除去された通気流が、光触媒側
へ供給されていた。
2. Description of the Related Art Conventionally, there is an air purifier having a function of purifying pollutants by arranging a photocatalyst and a light source in an air flow and applying ultraviolet rays from the light source to the photocatalyst. It was In this type of air purifier, the ventilation flow from which dust has been removed only by the prefilter is supplied to the photocatalyst side.

【0003】このため、光触媒に微細な塵埃が付着し、
光触媒が紫外線の照射を受け難くなる一方、通風路に配
置されている光源にも、塵埃が付着して光源の照度が低
下する。このような光触媒および光源の両者の劣化が相
まって、早期に浄化性能が低下してしまうという問題が
あった。そこで、本発明の目的は、高い浄化性能を長期
に維持できる空気清浄機を提供することである。
Therefore, fine dust adheres to the photocatalyst,
While it becomes difficult for the photocatalyst to be irradiated with ultraviolet rays, dust also adheres to the light source arranged in the ventilation passage, and the illuminance of the light source decreases. There is a problem that the purification performance is deteriorated at an early stage due to the deterioration of both the photocatalyst and the light source. Then, the objective of this invention is providing the air cleaner which can maintain high purification performance for a long period of time.

【0004】[0004]

【課題を解決するための手段】上記課題を達成するた
め、 請求項1記載の空気清浄機は、汚れの粒子を帯電さ
せるために放電を行うイオン化部と、帯電された汚れの
粒子を捕集する集塵部とが、通気流方向に沿ってこの順
で配置されており、上記集塵部はシート状の静電フィル
タを有し、その静電フィルタに対し光触媒を担持したシ
ート状の光触媒フィルタが通気流方向に接合されて積層
フィルタとなっており、上記積層フィルタの通気流方向
下流側に配置され、光触媒を担持した互いに平行な複数
の平板と、上記複数の平板の通気流方向下流側に配置さ
れ、平板に担持された光触媒および平板間の隙間を通し
て上記積層フィルタに紫外線を照射する光源とをさらに
有することを特徴とするものである。請求項2記載の発
明は、上記平板と交互に、光触媒を担持した波形板が配
置されていることを特徴とする請求項1記載の空気清浄
機である。 請求項3記載の発明は、上記光源の通気流方
向下流側に、光源からの光を通気流方向上流側に向かっ
て反射する反射部材を配置したことを特徴とする請求項
1又は2記載の空気清浄機である
[Means for Solving the Problems]
Because The air cleaner according to claim 1 charges dirt particles.
The ionization part that discharges to make the
Dust collection to collect particlesDepartment andBut in this order along the ventilation direction
Is located at, The dust collecting part is a sheet-shaped electrostatic
Of the photocatalyst supported on the electrostatic filter.
-Shaped photocatalytic filter is laminated by being bonded in the direction of air flow
It is a filter, and the ventilation direction of the laminated filter
A plurality of photocatalyst-carrying parallel particles arranged on the downstream side.
Of the flat plate and the plurality of flat plates arranged on the downstream side in the air flow direction.
Through the space between the photocatalyst supported on the plate and the plate.
And a light source that irradiates the laminated filter with ultraviolet light.
HaveIt is characterized by that.From claim 2
In the light, corrugated plates carrying a photocatalyst are arranged alternately with the above flat plates.
The air cleaning system according to claim 1, wherein the air cleaning system is installed.
It is a machine. A third aspect of the present invention is a ventilation method of the light source.
Directs light from the light source to the upstream side in the air flow direction.
A reflecting member for reflecting light is arranged.
It is the air purifier according to 1 or 2..

【0005】[0005]

【0006】[0006]

【0007】上記構成では、光源からの紫外線を、上記
平板に担持された光触媒と、積層フィルタ側の光触媒と
の双方に照射することができるので、光源からの紫外線
を有効に利用して効率良く脱臭が行える。なお、請求項
3のように、光触媒部の通気流方向下流側に、反射板を
配置すれば好ましく、この場合、光源から平行平板間を
通過した紫外線を再び平行平板側へ照射できる結果、よ
り効率良く脱臭することができる
In the above structure, since the photocatalyst supported on the flat plate and the photocatalyst on the laminated filter side can be irradiated with the ultraviolet light from the light source, the ultraviolet light from the light source can be effectively used and efficiently. Can be deodorized. The claim
As described in 3, it is preferable to dispose a reflection plate on the downstream side of the photocatalyst part in the flow direction, and in this case, the ultraviolet rays passing between the parallel plates from the light source can be irradiated again to the parallel plates side, resulting in more efficient deodorization. it is possible.

【0008】[0008]

【0009】[0009]

【0010】また、請求項2の構成では、平板間に配置
した波形板によって、小型でありながら、光触媒担持の
ための表面積をさらに広く確保できる結果、より高い浄
化能力を得ることができる
According to the second aspect of the present invention , the corrugated plates arranged between the flat plates make it possible to secure a larger surface area for supporting the photocatalyst while being small in size. As a result, a higher purification capacity can be obtained .

【0011】[0011]

【0012】請求項4記載の発明は、汚れの粒子を帯電
させるために放電を行うイオン化部と、帯電された汚れ
の粒子を捕集する集塵部とが、通気流方向に沿ってこの
順で配置されており、さらに、集塵部の通気流方向下流
側に、紫外線の照射を受けて通気流中の臭い成分等の汚
染物質を浄化する光触媒を担持した光触媒部と、光触媒
に紫外線を照射する光源とが配置されており、上記集塵
部がシート状の静電フィルタを含むとともに、光触媒部
が光触媒を担持したシート状の光触媒フィルタを含み、
静電フィルタと光触媒フィルタとの間に、脱臭剤を担持
したシート状の脱臭フィルタが配置されており、静電フ
ィルタ、脱臭フィルタおよび光触媒フィルタが、この順
で通気流方向に並んで一体に接合されて積層フィルタを
構成しており、この積層フィルタの通気流方向下流側
に、上記光源が配置されていることを特徴とする空気清
浄機である。
According to a fourth aspect of the present invention, dirt particles are charged.
Ionization part that discharges in order to discharge and charged dirt
The dust collecting part that collects the particles of
Are arranged in order, and further downstream of the dust collection part in the direction of air flow.
Side is exposed to ultraviolet rays and is contaminated with odorous components in the ventilation stream.
Photocatalyst part carrying a photocatalyst for purifying dyeing substances, and a photocatalyst
Is arranged with a light source for irradiating ultraviolet rays, the dust collecting portion includes a sheet-shaped electrostatic filter, the photocatalyst portion includes a sheet-shaped photocatalytic filter carrying a photocatalyst,
A sheet-shaped deodorizing filter carrying a deodorant is placed between the electrostatic filter and the photocatalytic filter.The electrostatic filter, the deodorizing filter and the photocatalytic filter are integrally joined in this order in the ventilation direction. has been constitute a laminated filter, the ventilation flow direction downstream side of the laminated filter, air Kiyoshi, characterized in that the light source is located
It is a purifier .

【0013】上記構成では、集塵部としての静電フィル
タと、通常の脱臭フィルタと、光触媒部としての光触媒
フィルタとを一体の積層フィルタとして、全体を薄形か
つコンパクトにでき、且つ着脱も容易となる。また、積
層フィルタの下流側に配置される光源が汚れ難い。ま
た、積層フィルタの通気流方向下流側の面が、光触媒フ
ィルタで構成されるので、積層フィルタの通気流方向下
流側に配置した光源から、光触媒に十分な量の紫外線を
照射することができる。
In the above construction, the electrostatic filter as the dust collecting portion, the ordinary deodorizing filter, and the photocatalytic filter as the photocatalyst portion are integrated into a laminated filter, so that the whole can be made thin and compact, and can be easily attached and detached. Becomes Further, the light source arranged on the downstream side of the laminated filter is less likely to get dirty. In addition, since the surface of the laminated filter on the downstream side in the airflow direction is constituted by the photocatalytic filter, it is possible to irradiate the photocatalyst with a sufficient amount of ultraviolet rays from the light source arranged on the downstream side in the airflow direction of the laminated filter.

【0014】[0014]

【発明の実施の形態】本発明の好ましい実施の形態を添
付図面を参照しつつ説明する。図1は本発明の基礎とな
った1の空気清浄機の概略構成図である。図1を参照
して、本空気清浄機は、ケーシング1内に区画される通
気路2中に、プレフィルタ3、イオン化部4、集塵部と
しての静電フィルタ5および光触媒部としての光触媒フ
ィルタ6を一体に構成した積層フィルタ7、光源ランプ
8、並びに通気流10を生成するための送風ファン9
を、この順で通気流方向に沿って配置している。通気流
10は給気口1aから排気口1bへ流れる。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described with reference to the accompanying drawings. FIG. 1 is the basis of the present invention.
It is a schematic block diagram of the 1st air cleaner which did . Referring to FIG. 1, the present air cleaner has a pre-filter 3, an ionization section 4, an electrostatic filter 5 as a dust collecting section, and a photocatalyst filter as a photocatalyst section in a ventilation path 2 defined in a casing 1. A laminated filter 7 in which 6 is integrally formed, a light source lamp 8 and a blower fan 9 for generating a ventilation flow 10.
Are arranged in this order along the ventilation direction. The ventilation flow 10 flows from the air supply port 1a to the exhaust port 1b.

【0015】プレフィルタ3は、比較的大きなごみや塵
を除去するためのものである。イオン化部4は、汚れの
粒子を帯電させるために放電を行うものであり、複数の
長尺の放電用イオン化線(図示せず)と、これらのイオ
ン化線をそれぞれ挟んで対向する各一対の対向極板とを
備えた公知の構成のものである。集塵部としての静電フ
ィルタ5としては、例えば、目付50g/m2 のポリオ
レフィン系の帯電性不織布シートを用いることができ
る。
The prefilter 3 is for removing relatively large dust and dirt. The ionization unit 4 discharges to charge the dirt particles, and has a plurality of long discharge ionization lines (not shown) and a pair of opposing electrodes that sandwich these ionization lines. It has a well-known structure including a polar plate. As the electrostatic filter 5 as the dust collecting portion, for example, a polyolefin-based electrostatically-chargeable non-woven sheet having a basis weight of 50 g / m 2 can be used.

【0016】また、光触媒フィルタ6は光触媒を担持し
た、例えば目付70g/m2 のポリエステル系不織布シ
ートを用いることができる。この不織布シートの少なく
とも片面に、例えば光触媒と吸着剤との混練物を塗布す
ることにより、光触媒を担持させてある。このように塗
布によって担持させる場合の他、活性炭素繊維と光触媒
を含む光触媒糸を単一のシートに織り込んだものや、活
性炭素繊維を含むシートと光触媒糸を含むシートを積層
したものを例示することができる。光触媒糸は、光触媒
を担持した糸又は可能な場合には光触媒自身からなる糸
である。
The photocatalyst filter 6 may be a polyester non-woven fabric sheet carrying a photocatalyst and having a basis weight of 70 g / m 2 , for example. The photocatalyst is supported on at least one surface of the non-woven fabric sheet by applying, for example, a kneaded material of the photocatalyst and the adsorbent. In addition to the case of carrying by coating in this way, examples are shown in which a photocatalyst yarn containing activated carbon fibers and a photocatalyst is woven into a single sheet, or a laminate of a sheet containing activated carbon fibers and a sheet containing a photocatalyst yarn is laminated. be able to. The photocatalyst thread is a thread carrying a photocatalyst or, if possible, a thread consisting of the photocatalyst itself.

【0017】ここで、光触媒とは、光を吸収してそのエ
ネルギを反応物質に与えて化学反応を起こさせる物質を
意味する。具体的には、紫外線を含む光の照射を受ける
ことにより光触媒の表面に発生した正孔が、光触媒表面
の吸着水と反応して、ラジカルOH(水酸基ラジカル)
が生成され、このラジカルOHが有機物の分子結合を切
断することにより、例えばアンモニア等の臭い成分を無
臭化することができる。
Here, the photocatalyst means a substance which absorbs light and gives its energy to a reaction substance to cause a chemical reaction. Specifically, the holes generated on the surface of the photocatalyst upon irradiation with light including ultraviolet rays react with the adsorbed water on the surface of the photocatalyst to generate radicals OH (hydroxyl radicals).
Is generated, and the radical OH cleaves the molecular bond of the organic substance, whereby the odorous component such as ammonia can be deodorized.

【0018】また、上記の光触媒としては、アナタース
型の結晶構造を有する酸化チタン(例えばTiO2 )、
酸化亜鉛および酸化タングステン(例えばWO3 )を用
いることが可能であるが、下記の点で二酸化チタンを用
いることが好ましい。即ち、二酸化チタンであれば、弱
い紫外線でも十分な脱臭機能を発揮でき、広範囲な物
質、例えば、アンモニア、アセトアルデヒド、酢酸、ト
リメチルアミン、メチルメルカプタン、硫化水素、スチ
レン、硫化メチル、二硫化ジメチルおよびイソ吉草酸の
悪臭を除去できるからである。
As the above-mentioned photocatalyst, titanium oxide (eg TiO 2 ) having an anatase type crystal structure,
Although zinc oxide and tungsten oxide (eg, WO 3 ) can be used, titanium dioxide is preferably used in the following points. That is, titanium dioxide can exert a sufficient deodorizing function even with weak ultraviolet rays, and has a wide range of substances, for example, ammonia, acetaldehyde, acetic acid, trimethylamine, methyl mercaptan, hydrogen sulfide, styrene, methyl sulfide, dimethyl disulfide and isoxane. This is because the malodor of herbate can be removed.

【0019】なお、光触媒が汚染物質を浄化する機能
は、上記した臭い成分の除去による脱臭の他に、臭い成
分でない汚染物質を分解することや、微生物の殺菌やウ
ィルスの不活化を行うこと等も含まれる。すなわち、本
発明における空気の浄化とは、人間にとって有害な空気
中の成分を除去することである。通気流中の臭い成分等
の汚染物質は、吸着剤により物理的に吸着され、光触媒
により分解されるので、空気の浄化能力が高いと共に、
この浄化能力を長期にわたって維持できる。
The photocatalyst has a function of purifying pollutants, in addition to deodorizing by removing the odorous components described above, decomposing pollutants which are not odorous components, sterilizing microorganisms and inactivating viruses, etc. Is also included. That is, purifying the air in the present invention means removing components in the air that are harmful to humans. Contaminants such as odorous components in the aeration flow are physically adsorbed by the adsorbent and decomposed by the photocatalyst, so the air purification capacity is high, and
This purification ability can be maintained for a long time.

【0020】静電フィルタ5と光触媒フィルタ6とは、
互いに重ね合わされた状態で、複数箇所において熱融着
又はニードルパンチが施されることにより接合され、一
体的な積層フィルタ7とされている。ニードルパンチに
より接合するとは、先の尖った引っ掛け用の針で両フィ
ルタ5,6を挿し通した後、引き抜くことにより、両フ
ィルタの繊維同士を絡ませて接合することである。ニー
ドルパンチの針の配置密度としては、例えば12750
cm2 の面積に、8200〜8300個点在するものを
示すことができる。
The electrostatic filter 5 and the photocatalytic filter 6 are
In a state where they are overlapped with each other, they are joined by heat fusion or needle punching at a plurality of places to form an integrated multilayer filter 7. Joining with a needle punch means that fibers of both filters are entangled and joined by inserting both filters 5 and 6 through a sharp hooking needle and then withdrawing them. As the arrangement density of needles of the needle punch, for example, 12750
8200 to 8300 can be shown scattered in the area of cm 2 .

【0021】また、この積層フィルタ7はロール状に巻
かれたロールフィルタからなっており、フィルタケース
Cに収容されている。通気路に繰り出されている積層フ
ィルタ7の使用部分が汚れてくると、ロール体から未使
用部分が繰り出されて、使用部分が更新されるようにな
っている。上記光源ランプ8は、円柱状をしており、上
記積層フィルタ7の下流側に複数本が互いに平行に配置
されている。この光源ランプ8としては、紫外線を含む
光を発するものであれば、どのようなタイプのランプで
も良いが、例えば320〜420ナノメータの波長の紫
外領域の光線を発する冷陰極管を用いることが好まし
い。というのは、冷陰極管であれば、例えば2万時間等
と寿命が長くて長期にわたって交換等のメンテナンスを
不要にでき、しかも、例えば直径1〜5mm程度のもの
も使用できて光源ランプの配置スペースを削減できると
共に、点灯のためのインバータ回路が簡単であることか
ら、小型化を図れるからである。
The laminated filter 7 is composed of a roll filter wound in a roll and is housed in a filter case C. When the used portion of the laminated filter 7 fed to the ventilation path becomes dirty, the unused portion is fed from the roll body, and the used portion is renewed. The light source lamp 8 has a cylindrical shape, and a plurality of light source lamps 8 are arranged in parallel with each other on the downstream side of the laminated filter 7. The light source lamp 8 may be any type of lamp as long as it emits light including ultraviolet rays, but it is preferable to use a cold cathode tube that emits light in the ultraviolet region having a wavelength of 320 to 420 nanometers, for example. . This is because cold-cathode tubes have a long life, for example, 20,000 hours and do not require maintenance such as replacement over a long period of time. Moreover, for example, ones with a diameter of about 1 to 5 mm can be used and the arrangement of the light source lamp This is because the space can be reduced and the inverter circuit for lighting is simple, so that the size can be reduced.

【0022】本第1の構成によれば、イオン化部4およ
び集塵部としての静電フィルタ5を通過して塵埃が十分
に除去され、清浄度の高くなった空気を、光触媒フィル
タ6および光源ランプ8側へ供給することになる。した
がって、光触媒フィルタ6の光触媒や光源ランプ8への
塵埃の付着を抑制できる結果、長期にわたって高い浄化
性能を維持することができる。
According to the first structure , the air that has been sufficiently cleaned by passing through the ionization section 4 and the electrostatic filter 5 as a dust collection section and having a high degree of cleanliness is removed from the photocatalyst filter 6 and the light source. It will be supplied to the lamp 8 side. Therefore, the adhesion of dust to the photocatalyst of the photocatalyst filter 6 and the light source lamp 8 can be suppressed, and as a result, high purification performance can be maintained for a long period of time.

【0023】しかも、集塵部としての静電フィルタ5と
光触媒部としての光触媒フィルタ6を一体の積層フィル
タ7として構成したので、薄形かつコンパクトなものに
できる。また、積層フィルタ7として一体的に着脱でき
るので、着脱も非常に容易となる。次いで、図2
(a),(b)は本発明の基礎となった2の空気清浄
機の概略構成を示している。これらの図を参照して、本
第2の構成では、集塵部を構成する静電フィルタ11の
下流側に、光触媒部12を配置しており、この光触媒部
12が、光触媒を担持した互いに平行な複数の平板13
を含んで構成されている。即ち、通気流方向の前後に開
放した枠体14によって上記の複数の平板12が支持さ
れている。これらの平板13は、通気流方向と直交する
方向に長い長尺板からなり、所定間隔毎に配置されてい
ると共に、通気流方向に沿って平行な面を有している。
Moreover, since the electrostatic filter 5 as the dust collecting portion and the photocatalyst filter 6 as the photocatalyst portion are constructed as an integrated laminated filter 7, it can be made thin and compact. Further, since the laminated filter 7 can be integrally attached and detached, the attachment and detachment becomes very easy. Then, FIG.
(A), (b) has shown the schematic structure of the 2nd air cleaner which became the basis of this invention. With reference to these drawings, in the second configuration , a photocatalyst portion 12 is arranged on the downstream side of the electrostatic filter 11 that constitutes the dust collecting portion, and the photocatalyst portion 12 is provided with the photocatalysts and carries the photocatalyst. A plurality of parallel flat plates 13
It is configured to include. That is, the plurality of flat plates 12 are supported by the frame body 14 that is open in the front-rear direction of the ventilation flow. These flat plates 13 are long plates that are long in a direction orthogonal to the ventilation direction, are arranged at predetermined intervals, and have parallel surfaces along the ventilation direction.

【0024】この第2の構成によれば、複数の平行平板
13を用いたので、小型でありながら光触媒担持のため
の表面積を広く確保できる結果、高い浄化能力を発揮す
ることができる。また、通気流10方向の上流側から、
集塵フィルタ11、光触媒部12および光源ランプ8の
順で配置され、且つ光触媒部12が複数の平行平板13
からなるので、光源ランプ8から紫外線を含む光を、平
行平板13,13間を通して、集塵フィルタ11に照射
でき、その結果、集塵フィルタ11での細菌の増殖を抑
制することができる。
According to the second structure , since the plurality of parallel flat plates 13 are used, a large surface area for supporting the photocatalyst can be secured while being small in size, and a high purification performance can be exhibited. In addition, from the upstream side in the direction of ventilation flow 10,
The dust collecting filter 11, the photocatalyst part 12 and the light source lamp 8 are arranged in this order, and the photocatalyst part 12 is composed of a plurality of parallel plates 13.
Therefore, the light including the ultraviolet rays from the light source lamp 8 can be applied to the dust collecting filter 11 through the space between the parallel flat plates 13 and 13, and as a result, the growth of bacteria on the dust collecting filter 11 can be suppressed.

【0025】次いで、図3は、第2の構成の変更例とし
ての第3の構成を示している。同図において、平板13
は、通気流方向と所定の交差角度で交差するように配置
されている。この交差角度は、平板の面が光源ランプ8
にできるだけ正対して照度が高くなり、且つ通気流10
に対する抵抗があまり大きくならない程度に設定するこ
とが好ましい。また、平板13の枚数、および平板13
の通気流方向に沿う幅も、照度と通気抵抗を勘案して設
定される。この第3の構成では、第2の構成と同様の作
用効果を奏することに加えて、光触媒が受ける光強度を
強くして浄化能力をより向上できる。
[0025] Next, FIG. 3 shows a third configuration of a modification of the second configuration. In the figure, the flat plate 13
Are arranged so as to intersect with the ventilation direction at a predetermined intersection angle. At this intersection angle, the plane of the flat plate is the light source lamp 8
The illuminance is as high as possible and the ventilation flow is 10
It is preferable to set it so that the resistance to the resistance does not become too large. Also, the number of flat plates 13 and the flat plates 13
The width along the ventilation flow direction of is also set in consideration of illuminance and ventilation resistance. In the third configuration , in addition to the same effects as the second configuration , the light intensity received by the photocatalyst can be increased and the purification performance can be further improved.

【0026】また、上記第2の構成の変更例としての第
の構成では、図4に示すように、隣接する平板13,
13間に、光触媒を担持した波形板15を配置してい
る。通気流10の方向は紙面表側から裏側である。この
第4の構成では、第2の構成実施形態と同様の作用効果
を奏することに加えて、波形板15によって光触媒担持
のための表面積をさらに広く確保できる結果、より高い
浄化能力を得ることができる。
Further, in the fourth structure as a modification of the second structure , as shown in FIG.
A corrugated plate 15 carrying a photocatalyst is arranged between the layers 13. The direction of the air flow 10 is from the front side to the back side of the paper surface. In the fourth configuration , in addition to the same effects as the second configuration embodiment, the corrugated plate 15 can secure a larger surface area for supporting the photocatalyst, and as a result, a higher purification capacity can be obtained. it can.

【0027】[0027]

【0028】[0028]

【0029】[0029]

【0030】次いで、図は本発明の実施形態を示し
ている。同図を参照して、この実施形態は、光触媒部
12を、積層フィルタ7と光源ランプ8との間に配置し
た。本実施形態では、光ランプ8からの紫外線が、上
記光触媒部12の平板13に担持された光触媒に照射さ
れると共に、平行平板13,13間を通過した紫外線が
積層フィルタ7側の光触媒に照射されるので、光源ラン
プ8からの紫外線を有効に利用して効率良く脱臭が行え
る。また、光源ランプ8からの紫外線を含む光を、光触
媒部12の平行平板13,13間を通して、積層フィル
タ7側へ照射できる結果、この積層フィルタ7に含まれ
る集塵フィルタ5での細菌の増殖を抑えることができ
る。
Next, FIG. 5 shows an embodiment of the present invention. Referring to the drawing, on the implementation form of this, the photocatalyst 12 is disposed between the laminated filter 7 and the light source lamp 8
It was In this implementation form, UV light source lamp 8 or colleagues, while being irradiated to the supported photocatalyst flat 13 of the photocatalyst section 12, ultraviolet light passing between parallel plates 13, 13 of the laminated filter 7 side Since the photocatalyst is irradiated, the ultraviolet rays from the light source lamp 8 can be effectively used to efficiently deodorize. In addition, the light including the ultraviolet rays from the light source lamp 8 can be irradiated to the laminated filter 7 side through the parallel plates 13 of the photocatalyst portion 12, and as a result, the growth of bacteria on the dust collecting filter 5 included in the laminated filter 7 can be performed. Can be suppressed.

【0031】ここで、光源ランプ8の通気流方向下流側
に、反射部材としての反射板17を配置すれば、光源ラ
ンプ8からの紫外線をより有効に利用してより効率良く
脱臭することができる。また、光触媒部12は、複数の
平行平板13としたので、小型でありながら光触媒担持
のための表面積を広く確保できる結果、高い浄化能力を
発揮することができる。
Here, if the reflecting plate 17 as a reflecting member is disposed on the downstream side of the light source lamp 8 in the ventilation flow direction, the ultraviolet rays from the light source lamp 8 can be used more effectively and deodorized more efficiently. . In addition, since the photocatalyst portion 12 is formed of a plurality of parallel flat plates 13, it is possible to secure a large surface area for supporting the photocatalyst while having a small size, and as a result, it is possible to exert a high purification ability.

【0032】なお、上記実施形態において、光触媒部1
2として、図3や図4に示す光触媒部12と同様のもの
を適用することができる
[0032] Incidentally, in the above you facilities embodiment, the photocatalyst section 1
As 2, the same material as the photocatalyst portion 12 shown in FIGS. 3 and 4 can be applied .

【0033】[0033]

【0034】次いで、図は本発明の他の実施形態を示
している。この他の実施形態、静電フィルタ18、
脱臭フィルタ19および光触媒フィルタ21をこの順で
通気流方向に並べて積層し積層フィルタ22としてあ
る。この積層フィルタ22の下流側に光源ランプ8が配
置されている。この他の実施形態では、通常の脱臭フィ
ルタ19および下流側の光触媒部12の光触媒によって
脱臭でき、より確実な脱臭が可能となる。また、脱臭フ
ィルタ19は集塵部としての静電フィルタ18より通気
流方向下流側に配置されるので、脱臭剤に塵埃が付くこ
とを防止できる結果、塵埃付着に起因した脱臭剤の劣化
を防止できる。加えて、集塵部としての静電フィルタ1
8と光触媒部としての光触媒フィルタ21を一体に構成
したので、集塵部および光触媒部を薄形かつコンパクト
にでき、且つ着脱も容易となる。なお、この実施形態に
おいて、例えば、図2(b)、図3又は図4に示すよう
な光触媒部12を、積層フィルタ22の直下流又は光源
ランプ8の直下流に配置しても良い。
Next, FIG. 6 shows another embodiment of the present invention. In this other embodiment , the electrostatic filter 18,
The deodorizing filter 19 and the photocatalyst filter 21 are arranged in this order in the ventilation flow direction and laminated to form a laminated filter 22. The light source lamp 8 is arranged downstream of the laminated filter 22. In this other embodiment , a normal deodorizing filter is used.
Filter 19 and the photocatalyst of the photocatalyst section 12 on the downstream side.
It is possible to deodorize, and more reliable deodorization becomes possible. In addition,
The filter 19 is ventilated from the electrostatic filter 18 as a dust collecting part.
Since it is located on the downstream side in the flow direction, dust will not adhere to the deodorant.
As a result, the deterioration of the deodorant caused by dust adhesion
Can be prevented. In addition, the electrostatic filter 1 as a dust collecting part
Since 8 and the photocatalyst filter 21 as the photocatalyst unit are integrally configured, the dust collecting unit and the photocatalyst unit can be made thin and compact, and can be easily attached and detached. In this embodiment, for example, the photocatalyst portion 12 as shown in FIG. 2B, FIG. 3 or FIG. 4 may be arranged immediately downstream of the laminated filter 22 or immediately downstream of the light source lamp 8.

【0035】[0035]

【0036】本発明は上記各実施形態に限定されるもの
ではなく、例えば集塵部として、静電フィルタでなく、
集塵極板と対向極板を交互に配置した電気集塵部を採用
する等、本発明の範囲で種々の変更を施すことができ
る。
The present invention is not limited to the above-described embodiments. For example, as the dust collecting portion, instead of an electrostatic filter,
Various modifications can be made within the scope of the present invention, such as employing an electric dust collecting portion in which the dust collecting electrode plates and the counter electrode plates are alternately arranged.

【0037】[0037]

【発明の効果】請求項1記載の発明では、イオン化部お
よび集塵部を通過して、塵埃が十分に除去された空気
を、光触媒部および光源側へ流すことになるので、光触
媒や光源に対する塵埃の付着を抑制できる結果、長期に
わたって高い浄化性能を維持できる。
According to the first aspect of the present invention, the air from which the dust is sufficiently removed after passing through the ionization section and the dust collection section is flowed to the photocatalyst section and the light source side. As a result of suppressing the adhesion of dust, high purification performance can be maintained for a long period of time.

【0038】[0038]

【0039】また、光源からの紫外線を、平行平板に担
持された光触媒と、積層フィルタ側の光触媒との双方に
照射できるので、光源からの紫外線を有効に利用して効
率良く脱臭が行える
Further, the ultraviolet rays from the light source, a photocatalyst carried on a parallel plate, it is possible to irradiate both the photocatalyst laminated filter side, efficiently perform deodorization is effectively utilizing the ultraviolet rays from the light source.

【0040】請求項記載の発明では、平板間に配置し
た波形板によって、小型でありながら、光触媒担持のた
めの表面積をさらに広く確保できる結果、より高い浄化
能力を得ることができる
According to the second aspect of the present invention, the corrugated plates arranged between the flat plates make it possible to secure a larger surface area for supporting the photocatalyst while being small in size. As a result, a higher purification capacity can be obtained .

【0041】請求項記載の発明では、光源からの光を
無駄なく光触媒部に照射することができ、もともと脱臭
等の浄化能力に優れた光触媒に、浄化能力を十分に発揮
させることができる。しかも、集塵部と光触媒部との間
に光源が配置される場合にかかわらず、集塵部、光触媒
部および光源の順で配置される場合であっても、光触媒
部を構成する平行平板間を通して、集塵部に対して紫外
線を含む光を照射することができるので、集塵部での細
菌の増殖を抑制することができる。
According to the third aspect of the present invention, the light from the light source can be irradiated onto the photocatalyst portion without waste, and the photocatalyst, which is originally excellent in purification performance such as deodorization, can sufficiently exhibit the purification performance. Moreover, even if the light source is arranged between the dust collecting part and the photocatalyst part, even if the dust collecting part, the photocatalyst part and the light source are arranged in this order, the space between the parallel plates forming the photocatalyst part Through this, light containing ultraviolet rays can be irradiated to the dust collecting portion, so that the growth of bacteria in the dust collecting portion can be suppressed.

【0042】請求項記載の発明では、集塵部としての
静電フィルタと、通常の脱臭フィルタと、光触媒部とし
ての光触媒フィルタとを一体の積層フィルタとして、全
体を薄形かつコンパクトにでき、且つ着脱も容易とな
る。また、積層フィルタの下流側に配置される光源が汚
れ難く長期に浄化性能を維持できる。さらに、積層フィ
ルタの通気流方向下流側の面が、光触媒フィルタで構成
されるので、積層フィルタの通気流方向下流側に配置し
た光源から、光触媒に十分な量の紫外線を照射できる結
果、浄化能力を高くできる。
According to the fourth aspect of the present invention, the electrostatic filter as the dust collecting portion, the ordinary deodorizing filter, and the photocatalytic filter as the photocatalyst portion are integrally formed as a laminated filter, which can be made thin and compact as a whole. Moreover, it is easy to attach and detach. Further, the light source arranged on the downstream side of the laminated filter is less likely to be contaminated, and the purification performance can be maintained for a long period of time. Further, since the surface of the laminated filter on the downstream side in the airflow direction is composed of the photocatalytic filter, the photocatalyst can be irradiated with a sufficient amount of ultraviolet rays from the light source arranged on the downstream side in the airflow direction of the laminated filter, resulting in purification performance. Can be raised.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の第1の構成の空気清浄機の概略構成を
示す斜視図である。
FIG. 1 is a perspective view showing a schematic configuration of an air cleaner having a first configuration of the present invention.

【図2】(a)は本発明の第2の構成の空気清浄機の概
略構成を示す模式的側面図であり、(b)はその光触媒
部をおよび光源ランプの斜視図である。
FIG. 2A is a schematic side view showing a schematic configuration of an air cleaner having a second configuration of the present invention, and FIG. 2B is a perspective view of a photocatalyst part and a light source lamp.

【図3】本発明の第3の構成の光触媒部および光源ラン
プの斜視図である。
FIG. 3 is a perspective view of a photocatalyst part and a light source lamp of a third configuration of the present invention.

【図4】本発明の第4の構成の光触媒部の正面図であ
る。
FIG. 4 is a front view of a photocatalyst unit having a fourth configuration according to the present invention.

【図5】本発明の実施形態の集塵部、光源ランプおよ
び光触媒部の一部破断斜視図である。
[5] the dust collecting section of an embodiment of the present invention, is a partially cutaway perspective view of the light source lamp and the photocatalyst section.

【図6】本発明の他の実施形態の集塵部、光触媒部およ
び光源の一部破断斜視図である。
FIG. 6 is a partially cutaway perspective view of a dust collecting portion, a photocatalyst portion, and a light source according to another embodiment of the present invention.

【符号の説明】[Explanation of symbols]

4 イオン化部 5,11,18 静電フィルタ(集塵部) 6,21 光触媒フィルタ(光触媒部) 7,20,22 積層フィルタ 8 光源ランプ 9 送風ファン 10 通気流 12 光触媒部 13 平板 15 波板 16,17 反射板(反射部材) 19 脱臭フィルタ 4 Ionization section 5, 11, 18 Electrostatic filter (dust collecting part) 6,21 Photocatalytic filter (photocatalytic part) 7, 20, 22 Multilayer filter 8 light source lamps 9 Blower fan 10 Vent flow 12 Photocatalyst part 13 flat plate 15 corrugated board 16,17 Reflector (Reflector) 19 Deodorizing filter

フロントページの続き (51)Int.Cl.7 識別記号 FI B03C 3/02 B03C 3/64 Z 3/64 B01D 53/36 J (72)発明者 布川 俊一 大阪府堺市金岡町1304番地 ダイキン工 業株式会社堺製作所内 (56)参考文献 特開 平8−10576(JP,A) 特開 平7−256140(JP,A) 特開 平7−108138(JP,A) 特開 平6−106013(JP,A) 実開 平6−49577(JP,U) (58)調査した分野(Int.Cl.7,DB名) F24F 7/00 - 7/06 Continuation of front page (51) Int.Cl. 7 Identification symbol FI B03C 3/02 B03C 3/64 Z 3/64 B01D 53/36 J (72) Inventor Shunichi Nunokawa 1304 Kanaoka-cho, Sakai-shi, Osaka Daikin Engineering Co., Ltd. Sakai Seisakusho Co., Ltd. (56) Reference JP-A-8-10576 (JP, A) JP-A-7-256140 (JP, A) JP-A-7-108138 (JP, A) JP-A-6-1006013 ( JP, A) Actual Kaihei 6-49577 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) F24F 7/ 00-7/06

Claims (4)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】汚れの粒子を帯電させるために放電を行う
イオン化部(4) と、帯電された汚れの粒子を捕集する集
部とが、通気流方向に沿ってこの順で配置されてお
上記集塵部はシート状の静電フィルタ(5) を有し、その
静電フィルタ(5) に対し光触媒を担持したシート状の光
触媒フィルタ(6) が通気流(10)方向に接合されて積層フ
ィルタ(7) となっており、 上記積層フィルタ(7) の通気流(10)方向下流側に配置さ
れ、光触媒を担持した互いに平行な複数の平板(13)と、 上記複数の平板(13)の通気流(10)方向下流側に配置さ
れ、平板(13)に担持された光触媒および平板(13,13) 間
の隙間を通して上記積層フィルタ(7) に紫外線を照射す
る光源(8) とをさらに有する ことを特徴とする空気清浄
機。
1. An ionization section (4) that discharges to charge dirt particles and a dust collecting section that collects charged dirt particles are arranged in this order along the air flow direction. and which, the dust collecting unit has a sheet-like electrostatic filter (5), the
A sheet of light carrying a photocatalyst on the electrostatic filter (5).
The catalyst filter (6) is bonded in the direction of the air flow (10) and
The filter (7) is located on the downstream side of the laminated filter (7) in the ventilation flow (10) direction.
A plurality of parallel flat plates (13) carrying the photocatalyst, and the plurality of flat plates (13) arranged on the downstream side in the air flow direction (10).
Between the photocatalyst supported on the flat plate (13) and the flat plate (13, 13).
Irradiate the laminated filter (7) with ultraviolet light through the gap of
An air purifier further characterized by further comprising a light source (8) .
【請求項2】上記平板(13)と交互に、光触媒を担持した
波形板(15)が配置されていることを特徴とする請求項
記載の空気清浄機。
To wherein alternately with the flat plate (13), according to claim 1, characterized in that the corrugated plate with a photocatalyst carrying (15) is arranged
Air purifier as described.
【請求項3】上記光源(8) の通気流(10)方向下流側に、
光源(8) からの光を通気流(10)方向上流側に向かって反
射する反射部材(16, 17)を配置したことを特徴とする請
求項又は記載の空気清浄機。
To 3. A vent stream of the light source (8) (10) direction lower stream side,
The air purifier according to claim 1 or 2 , further comprising a reflecting member (16, 17) arranged to reflect the light from the light source (8) toward the upstream side in the direction of the air flow (10) .
【請求項4】汚れの粒子を帯電させるために放電を行う
イオン化部(4) と、帯電された汚れの粒子を捕集する集
塵部(5) とが、通気流方向に沿ってこの順で配置されて
おり、 さらに、集塵部(5) の通気流(10)方向下流側に、紫外線
の照射を受けて通気流(10)中の臭い成分等の汚染物質を
浄化する光触媒を担持した光触媒部(6) と、光触媒に紫
外線を照射する光源(8) とが配置されており、 上記集塵部(5) がシート状の静電フィルタ(18)を含むと
ともに、光触媒部(12)が光触媒を担持したシート状の光
触媒フィルタ(21)を含み、静電フィルタ(18)と光触媒フ
ィルタ(21)との間に、脱臭剤を担持したシート状の脱臭
フィルタ(19)が配置されており、静電フィルタ(18)、脱
臭フィルタ(19)および光触媒フィルタ(21)が、この順で
通気流方向に並んで一体に接合されて積層フィルタ(22)
を構成しており、この積層フィルタ(22)の通気流(10)方
向下流側に、上記光源(8) が配置されていることを特徴
とする空気清浄機。
4. Discharge is performed to charge dirt particles.
An ionizer (4) and a collector for collecting charged dirt particles.
The dust part (5) and the dust part (5) are arranged in this order along the air flow direction.
In addition, ultraviolet rays are provided on the downstream side of the dust collection part (5) in the direction of the ventilation flow (10).
Of the pollutants such as odorous components in the ventilation flow (10)
The photocatalyst part (6) supporting the photocatalyst to be purified and the photocatalyst
A light source (8) for irradiating an external line is arranged, the dust collecting section (5) includes a sheet-shaped electrostatic filter (18), and the photocatalyst section (12) carries a photocatalyst. Including the filter (21), between the electrostatic filter (18) and the photocatalytic filter (21), a sheet-shaped deodorizing filter (19) carrying a deodorant is disposed, the electrostatic filter (18), The deodorizing filter (19) and the photocatalytic filter (21) are integrally joined in this order in the ventilation direction to form a laminated filter (22).
It constitutes a ventilation stream (10) downstream side of the multilayer filter (22), air purifier you, characterized in that the light source (8) is arranged.
JP21740496A 1996-08-19 1996-08-19 Air cleaner Expired - Fee Related JP3389786B2 (en)

Priority Applications (1)

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JP21740496A JP3389786B2 (en) 1996-08-19 1996-08-19 Air cleaner

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Application Number Priority Date Filing Date Title
JP21740496A JP3389786B2 (en) 1996-08-19 1996-08-19 Air cleaner

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JPH1061986A JPH1061986A (en) 1998-03-06
JP3389786B2 true JP3389786B2 (en) 2003-03-24

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