JP2001340439A - Ultraviolet lamp and air cleaning equipment - Google Patents
Ultraviolet lamp and air cleaning equipmentInfo
- Publication number
- JP2001340439A JP2001340439A JP2000166489A JP2000166489A JP2001340439A JP 2001340439 A JP2001340439 A JP 2001340439A JP 2000166489 A JP2000166489 A JP 2000166489A JP 2000166489 A JP2000166489 A JP 2000166489A JP 2001340439 A JP2001340439 A JP 2001340439A
- Authority
- JP
- Japan
- Prior art keywords
- ultraviolet
- filter member
- ozone
- wavelength
- tube
- 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.)
- Granted
Links
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、オゾン（Ｏ3 ）を
用いて室内空気の殺菌、脱臭及び植物の鮮度保持のため
のエチレン除去等を行うための紫外線ランプ及び空気浄
化装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultraviolet lamp and an air purifying apparatus for sterilizing and deodorizing indoor air and removing ethylene for maintaining freshness of plants using ozone (O 3 ).
【０００２】[0002]
【従来の技術】室内空気の殺菌等を行うための紫外線ラ
ンプは大きく分けて二種類のものがある。一つは殺菌ラ
ンプと呼ばれるもので、発光部分をなす管に比較的純度
の低い一般石英ガラスを用いている。これによると220n
m 以上、とりわけ220 〜280nmの波長の紫外線が放出さ
れ、特にそのうちの253.7nm の波長の紫外線が空気中の
カビ、細菌等に対し高い殺菌力を発揮する。また369nm
の波長の紫外線も殺菌に有効である。220nm 未満の波長
の紫外線は管に吸収され、外部には放出されない。2. Description of the Related Art There are roughly two types of ultraviolet lamps for sterilizing room air. One is a so-called germicidal lamp, which uses general quartz glass of relatively low purity for the tube forming the light emitting portion. According to this 220n
UV rays having a wavelength of 220 nm to 280 nm or more, particularly 253.7 nm of the UV rays, exhibit high bactericidal activity against mold, bacteria and the like in the air. Also 369nm
UV light having a wavelength of is also effective for sterilization. Ultraviolet light with a wavelength less than 220 nm is absorbed by the tube and is not emitted to the outside.
【０００３】もう一つはオゾンランプと呼ばれるもの
で、発光部分をなす管に比較的純度の高い合成石英ガラ
スを用いている。これによると220nm より短い一定波長
（例えば170nm ）以上の紫外線を放出することができ、
特にそのうちの184.9nm の波長の紫外線が、空気中の酸
素に作用してオゾンを発生する。オゾンは強力な酸化力
を有し、優れた殺菌、脱臭、鮮度保持機能等を有する。
このためオゾンランプも殺菌用として非常に優れる。The other is an ozone lamp, which uses a relatively high-purity synthetic quartz glass for a tube serving as a light emitting portion. According to this, it is possible to emit ultraviolet light of a certain wavelength shorter than 220 nm (eg, 170 nm) or more,
Particularly, ultraviolet rays having a wavelength of 184.9 nm act on oxygen in the air to generate ozone. Ozone has a strong oxidizing power and has excellent sterilizing, deodorizing, and freshness maintaining functions.
Therefore, the ozone lamp is also very excellent for sterilization.
【０００４】一方、オゾンは一定濃度（約0.1ppm）を越
えると人体に有害である。このためオゾンランプを人間
のいる環境で使用するにはオゾン濃度管理、残留オゾン
の除去等が問題となる。一方、殺菌ランプにはこのよう
な制約がない。このように殺菌ランプとオゾンランプと
にはそれぞれ長所、短所がある。なお、従来技術として
特許公報第2819395 号、同第3004953 号等がある。On the other hand, ozone is harmful to the human body when it exceeds a certain concentration (about 0.1 ppm). For this reason, when using an ozone lamp in an environment where humans are present, there are problems such as ozone concentration management and removal of residual ozone. On the other hand, germicidal lamps do not have such restrictions. As described above, the germicidal lamp and the ozone lamp each have advantages and disadvantages. As prior art, there are Patent Publication Nos. 2819395 and 30000493.
【０００５】[0005]
【発明が解決しようとする課題】ところで、上記二つの
波長（253.7nm,184.9nm ）の紫外線を有効に活用して殺
菌を行うことが考えられる。即ち、室内等において、昼
間等の人間のいる時間帯は波長253.7nm の紫外線による
空気の殺菌を行い、夜間等の人間のいない時間帯は波長
184.9nm の紫外線によりオゾンを発生させてオゾン脱臭
・殺菌等を行うという具合である。また、植物を保管し
ているような密閉空間でも、人間のいない夜間だけオゾ
ンを発生させてエチレン除去を行うことが考えられる。By the way, it is conceivable to sterilize by effectively utilizing the ultraviolet rays of the above two wavelengths (253.7 nm and 184.9 nm). That is, in a room or the like, during the daytime when a human is present, the air is sterilized by ultraviolet light having a wavelength of 253.7 nm.
Ozone is generated by ultraviolet light of 184.9 nm to perform ozone deodorization and sterilization. Further, even in a closed space where plants are stored, it is conceivable that ethylene is removed by generating ozone only at night when no human is present.
【０００６】しかし、この場合殺菌ランプとオゾンラン
プとが２台必要となり、装置のコストが上昇してしまう
という問題がある。However, in this case, two sterilizing lamps and two ozone lamps are required, and there is a problem that the cost of the apparatus increases.
【０００７】そこで、本発明の目的は、１台の紫外線ラ
ンプで２種類の波長の紫外線を利用することができ、コ
ストダウンを図ることが可能な紫外線ランプ及び空気浄
化装置を提供することにある。Accordingly, an object of the present invention is to provide an ultraviolet lamp and an air purification device which can utilize ultraviolet rays of two wavelengths with one ultraviolet lamp and can reduce the cost. .
【０００８】[0008]
【課題を解決するための手段】本発明に係る紫外線ラン
プは、発光部分をなす管を、オゾン発生可能な第一の紫
外線を透過し得る第一の材料で形成されたオゾン発生部
と、上記第一の紫外線を吸収し且つこれより長い波長の
殺菌可能な第二の紫外線を透過し得る第二の材料で形成
された殺菌部とから管周方向に分割して構成し、且つこ
れらを互いに固着してなるものである。According to the present invention, there is provided an ultraviolet lamp in which a tube serving as a light emitting portion is provided with an ozone generating portion formed of a first material capable of transmitting first ultraviolet light capable of generating ozone; A sterilizing section formed of a second material that absorbs the first ultraviolet ray and transmits a second ultraviolet ray that can be sterilized at a longer wavelength than the second sterilizing section, and is configured to be divided in the circumferential direction of the tube, and these are mutually separated. It is fixed.
【０００９】ここで、上記第一の紫外線が波長184.9nm
の紫外線を含み、上記第二の紫外線が波長253.7nm の紫
外線を含むと共に、上記第一の材料が比較的純度の高い
合成石英ガラスであり、上記第二の材料が比較的純度の
低い一般石英ガラスであるのが好ましい。Here, the first ultraviolet ray has a wavelength of 184.9 nm.
And the second material contains ultraviolet light having a wavelength of 253.7 nm, the first material is synthetic quartz glass having a relatively high purity, and the second material is general quartz having a relatively low purity. Preferably it is glass.
【００１０】また、上記管が全体で直円管状であり、上
記オゾン発生部と上記殺菌部とが管周方向に等しく半分
ずつ形成されるか又は管周方向に等間隔で複数交互に形
成されるのが好ましい。[0010] Further, the tube is a right circular tube as a whole, and the ozone generating portion and the sterilizing portion are formed equally in half in the circumferential direction of the tube or alternately at a plurality of intervals at equal intervals in the circumferential direction of the tube. Preferably.
【００１１】一方、本発明に係る空気浄化装置は、上記
紫外線ランプと、上記第二の材料で形成され上記オゾン
発生部を外側から覆うフィルタ部材と、フィルタ部材又
は上記紫外線ランプを移動させて上記オゾン発生部を選
択的に露出させるための移動手段とを備えたものであ
る。On the other hand, the air purifying apparatus according to the present invention is characterized in that the ultraviolet lamp, a filter member made of the second material and covering the ozone generating portion from outside, and the filter member or the ultraviolet lamp are moved to move the filter member or the ultraviolet lamp. Moving means for selectively exposing the ozone generating section.
【００１２】また本発明に係る空気浄化装置は、上記紫
外線ランプと、上記第二の材料で形成され上記オゾン発
生部を外側から覆うフィルタ部材と、フィルタ部材又は
上記紫外線ランプを管軸回りに所定角度回転させ、上記
フィルタ部材を上記殺菌部の外側に位置させて上記オゾ
ン発生部を選択的に露出させるための回転移動手段とを
備えたものである。The air purifying apparatus according to the present invention is further characterized in that the ultraviolet lamp, a filter member made of the second material and covering the ozone generating portion from the outside, and the filter member or the ultraviolet lamp being fixed around a tube axis. A rotation moving means for rotating the filter member by an angle, positioning the filter member outside the sterilizing section, and selectively exposing the ozone generating section.
【００１３】また本発明に係る空気浄化装置は、発光部
分をなす管全体を、オゾン発生可能な第一の紫外線を透
過し得る第一の材料で形成した紫外線ランプと、上記第
一の紫外線を吸収し且つこれより長い波長の殺菌可能な
第二の紫外線を透過し得る第二の材料で形成したフィル
タ部材であって、上記管全体を外側から覆うフィルタ部
材と、フィルタ部材又は上記紫外線ランプを移動させて
上記管の一部又は全部を選択的に露出させるための移動
手段とを備えたものである。[0013] In the air purifying apparatus according to the present invention, there is provided an ultraviolet lamp in which the entire tube constituting the light emitting portion is formed of a first material capable of transmitting first ultraviolet light capable of generating ozone; A filter member made of a second material capable of absorbing and transmitting sterilizable second ultraviolet rays having a longer wavelength, the filter member covering the entire tube from the outside, and a filter member or the ultraviolet lamp. Moving means for selectively exposing part or all of the pipe by moving the pipe.
【００１４】ここで、上記第一の紫外線が波長184.9nm
の紫外線を含み、上記第二の紫外線が波長253.7nm の紫
外線を含むと共に、上記第一の材料が比較的純度の高い
合成石英ガラスであり、上記第二の材料が比較的純度の
低い一般石英ガラスであるのが好ましい。Here, the first ultraviolet ray has a wavelength of 184.9 nm.
And the second material contains ultraviolet light having a wavelength of 253.7 nm, the first material is synthetic quartz glass having a relatively high purity, and the second material is general quartz having a relatively low purity. Preferably it is glass.
【００１５】[0015]
【発明の実施の形態】以下、本発明の好適な実施の形態
を添付図面に基づいて詳述する。Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
【００１６】［第一実施形態］図１乃至図３に本発明の
第一実施形態を示す。図示するように空気浄化装置１は
紫外線ランプ２、回転駆動装置３、フィルタ部材４、第
一シール部材５及び第二シール部材６を備えて構成され
る。紫外線ランプ２は、直円管状に形成された管７と、
管７の軸方向両端に一体的に設けられた口金８とからな
り、両口金８内に管内に突出される放電端子（図示せ
ず）が埋め込んで取り付けられ、各放電端子にリード線
９が接続される。外部電源から一対の放電端子にリード
線９を介して電源が供給されることで、管７内で放電が
行われ、管７が発光（点灯）し紫外線が放出される。紫
外線ランプ２はこの第一実施形態では固定系に固定され
る。[First Embodiment] FIGS. 1 to 3 show a first embodiment of the present invention. As shown in the figure, the air purification device 1 includes an ultraviolet lamp 2, a rotation driving device 3, a filter member 4, a first seal member 5, and a second seal member 6. The ultraviolet lamp 2 includes a tube 7 formed in a right circular tube shape,
Discharge terminals (not shown) projecting into the tube are embedded and mounted in both bases 8, and a lead wire 9 is attached to each discharge terminal. Connected. When power is supplied from an external power supply to the pair of discharge terminals via the lead wire 9, discharge is performed in the tube 7, and the tube 7 emits light (lights) and emits ultraviolet rays. The ultraviolet lamp 2 is fixed to a fixed system in the first embodiment.
【００１７】管７はその周方向に等しく二分割され、且
つそれらが互いに固着されて構成される。一方の部分は
オゾン発生部１０で、これは従来のオゾンランプ同様、
比較的純度の高い合成石英ガラスからなる。従ってオゾ
ン発生部１０は170nm 以上の紫外線を透過することがで
き、特にそのうちのλ1 ＝184.9nm の波長の紫外線が空
気中の酸素に作用してオゾンを発生させる。The tube 7 is equally divided into two parts in the circumferential direction, and they are fixed to each other. One part is an ozone generator 10, which is similar to a conventional ozone lamp.
It is made of synthetic quartz glass of relatively high purity. Accordingly, the ozone generating section 10 can transmit ultraviolet rays of 170 nm or more, and among them, the ultraviolet rays having a wavelength of λ 1 = 184.9 nm act on oxygen in the air to generate ozone.
【００１８】管７の他方の部分は殺菌部１１で、これは
従来の殺菌ランプ同様、比較的純度の低い一般石英ガラ
スからなる。従って殺菌部１１は波長220nm 以上の紫外
線を透過することができ、特にそのうちのλ2 ＝253.7n
m の波長の紫外線が空気中のカビ、細菌等の殺菌を行
う。殺菌部１１では波長220nm 未満の紫外線は吸収ない
し遮断されてしまい、外部に放出されない。The other part of the tube 7 is a germicidal section 11, which, like a conventional germicidal lamp, is made of general quartz glass of relatively low purity. Accordingly, the sterilizing section 11 can transmit ultraviolet rays having a wavelength of 220 nm or more, and particularly, λ 2 = 253.7 n
Ultraviolet light of m wavelength kills mold, bacteria, etc. in the air. In the sterilizing section 11, ultraviolet rays having a wavelength of less than 220 nm are absorbed or blocked and are not emitted to the outside.
【００１９】なお、オゾン発生部１０は170nm 以上の紫
外線を透過することができるので、λ2 ＝253.7nm の波
長の紫外線も透過できる。従ってこの紫外線で殺菌部１
１同様空気中のカビ、細菌等を殺菌できる。またλ2 の
紫外線で、自己が発生したオゾンの分解もすることがで
きる。Since the ozone generator 10 can transmit ultraviolet rays of 170 nm or more, it can also transmit ultraviolet rays having a wavelength of λ 2 = 253.7 nm. Therefore, the sterilization unit 1 is
Mold and bacteria in the air can be sterilized as in 1). In lambda 2 UV can also be decomposition of ozone itself has occurred.
【００２０】オゾン発生部１０と殺菌部１１とは各々縦
割り半円管状の別個の部材として作製された後、通常の
ガラス細工の手法を用い、互いに突き合わせられて一体
に固着され、全体で直円管状に形成される。The ozone generating section 10 and the sterilizing section 11 are each formed as a vertically divided semicircular tubular separate member, and then are butted and integrally fixed to each other using a usual glasswork technique. It is formed in a tubular shape.
【００２１】管７の周方向半分の部分、図１の例ではオ
ゾン発生部１０が、殺菌部１１同様の一般石英ガラスで
形成されたフィルタ部材４で外側から覆われる。フィル
タ部材４は、オゾン発生部１０や殺菌部１１と同様縦割
り半円管状の部材として形成され、管７より大径に形成
されると共に管７と同軸に配置される。またフィルタ部
材４は紫外線ランプ２と等しい全長に形成され、図１の
例ではオゾン発生部１０の全長を覆い隠す。フィルタ部
材４の周方向の両端縁に沿って一対のフランジ部１３が
半径方向外側に突出して一体に形成される。これは回転
駆動装置３と連結部をなし、フィルタ部材４を回転させ
るための部分をなす。The half of the tube 7 in the circumferential direction, in the example of FIG. 1, the ozone generator 10 is covered from the outside with the filter member 4 made of general quartz glass like the sterilizer 11. The filter member 4 is formed as a vertically divided semicircular tubular member similarly to the ozone generating unit 10 and the sterilizing unit 11, and has a larger diameter than the tube 7 and is arranged coaxially with the tube 7. In addition, the filter member 4 is formed to have the same overall length as the ultraviolet lamp 2, and covers the entire length of the ozone generator 10 in the example of FIG. A pair of flange portions 13 protrude radially outward along both circumferential edges of the filter member 4 and are integrally formed. This forms a connecting portion with the rotation driving device 3 and forms a portion for rotating the filter member 4.
【００２２】回転駆動装置３はフィルタ部材４を管軸回
りに1/2 回転（180 °回転）させるためのもので、周知
の小型モータ、ギヤ等から構成される。The rotary driving device 3 is for rotating the filter member 4 by 1/2 rotation (180 ° rotation) around the tube axis, and is composed of a well-known small motor, gears and the like.
【００２３】紫外線ランプ２とフィルタ部材４との間に
は隙間１４があり、且つこの隙間１４が第一シール部材
５及び第二シール部材６で塞がれる。即ち、図４に示す
ように第一シール部材５は断面四角の直線状に形成さ
れ、図５に示すように第二シール部材６は断面四角の半
円環状に形成される。第二シール部材６がフィルタ部材
４の長手方向両端においてその内面に固着され、第一シ
ール部材５がフィルタ部材４の周方向両端縁に沿って、
それぞれの内面に固着され、且つ長手方向両端の第二シ
ール部材６に接続される。これらシール部材５，６は紫
外線ランプ２に摺動可能に接触されて隙間１４を塞ぐ。There is a gap 14 between the ultraviolet lamp 2 and the filter member 4, and this gap 14 is closed by the first seal member 5 and the second seal member 6. That is, as shown in FIG. 4, the first seal member 5 is formed in a linear shape having a square cross section, and as shown in FIG. 5, the second seal member 6 is formed in a semicircular shape having a square cross section. The second seal member 6 is fixed to the inner surface at both ends in the longitudinal direction of the filter member 4, and the first seal member 5 is arranged along both circumferential edges of the filter member 4,
It is fixed to each inner surface and connected to the second seal members 6 at both ends in the longitudinal direction. These seal members 5 and 6 are slidably contacted with the ultraviolet lamp 2 to close the gap 14.
【００２４】次に本実施形態の作用を述べる。Next, the operation of this embodiment will be described.
【００２５】まず図１に示すように、昼間など人間のい
る時間帯でオゾンを発生させたくないときは、フィルタ
部材４をオゾン発生部１０の外側に位置させ、オゾン発
生部１０のみを完全に覆い隠す。こうなると、管７のう
ち殺菌部１１のみが露出されるようになり、殺菌部１１
から放出される紫外線、特に波長λ2 の紫外線で空気中
のカビ、細菌等を殺菌できる。また、オゾン発生部１０
から放出された紫外線のうち、波長220nm 未満の紫外線
がフィルタ部材４に吸収ないし遮断されてしまい、それ
以上の波長の紫外線のみがフィルタ部材４を透過して外
部に放出される。これにより、オゾン発生可能な波長の
紫外線、特に波長λ1 の紫外線が外部に放出されなくな
り、オゾンの発生がなくなる。オゾン発生部１０から放
出された紫外線はフィルタ部材４を通過した後波長220n
m 以上のもののみとなり、そのうち特に波長λ2 の紫外
線で空気の殺菌を行える。First, as shown in FIG. 1, when it is not desired to generate ozone during a time when a human is present, such as during the daytime, the filter member 4 is positioned outside the ozone generator 10 and only the ozone generator 10 is completely removed. cover. In this case, only the sterilizing section 11 of the tube 7 is exposed, and the sterilizing section 11 is exposed.
Ultraviolet rays emitted from, can be sterilized molds in air, bacteria or the like in particular the wavelength lambda 2 UV. Also, the ozone generator 10
Among the ultraviolet rays emitted from the filter member, ultraviolet rays having a wavelength of less than 220 nm are absorbed or blocked by the filter member 4, and only ultraviolet rays having a wavelength longer than that are transmitted through the filter member 4 and emitted to the outside. Thus, ultraviolet ozone generation wavelength capable, no longer particularly released ultraviolet ray having a wavelength lambda 1 is outside, the generation of ozone is eliminated. The ultraviolet light emitted from the ozone generator 10 has a wavelength of 220 n after passing through the filter member 4.
only it becomes more than that m, of which perform the sterilization of the air, especially in a wavelength lambda 2 UV.
【００２６】このとき、オゾン発生部１０から放出され
る紫外線については、第二シール部材６があることから
管端部からの光漏れが防止され、第一シール部材５があ
ることから殺菌部１１との境界位置からの光漏れも防止
される。このようにオゾンは一切発生されないので、人
間がいる環境下でも安全に使用できる。At this time, with respect to the ultraviolet rays emitted from the ozone generator 10, the second seal member 6 prevents light from leaking from the end of the tube, and the presence of the first seal member 5 allows the sterilizer 11 to emit light. Light is also prevented from leaking from the boundary position with. Since no ozone is generated in this way, it can be used safely even in an environment where humans exist.
【００２７】次に、図２に示すように、夜間など人間の
いない時間帯でオゾンを発生させたいときは、回転駆動
装置３によりフィルタ部材４を 1/2回転させ、フィルタ
部材４を殺菌部１１の外側に位置させる。このとき殺菌
部１１がフィルタ部材４により完全に覆い隠され、管７
の露出部分はオゾン発生部１０のみとなる。こうなる
と、オゾン発生部１０から放出される紫外線、特に波長
λ1 の紫外線でオゾンを発生させ、強力に殺菌、脱臭、
エチレン除去等を行える。一方、殺菌部１１から放出さ
れる紫外線は波長220nm 以上なので、その紫外線はフィ
ルタ部材４に吸収されることなくそのまま通過し外部に
放出される。これにより特に波長λ2 の紫外線で空気の
殺菌を行える。なお、このときオゾン発生部１０からも
波長λ2 の紫外線が放出される。Next, as shown in FIG. 2, when it is desired to generate ozone during a time when no human is present, such as at night, the filter 4 is rotated by 1/2 by the rotary driving device 3, and the filter 4 is sterilized. 11 outside. At this time, the sterilizing section 11 is completely covered and hidden by the filter member 4 and the pipe 7
Is exposed only in the ozone generator 10. When this happens, ultraviolet emitted from the ozone generator 10, causes particular generating ozone with ultraviolet light having a wavelength of lambda 1, strongly sterilization, deodorization,
Ethylene can be removed. On the other hand, since the ultraviolet light emitted from the sterilizing section 11 has a wavelength of 220 nm or more, the ultraviolet light passes through as it is without being absorbed by the filter member 4 and is emitted to the outside. Thus allows the sterilization of the air, especially in a wavelength lambda 2 UV. Note that, at this time, the ozone generator 10 also emits ultraviolet light having the wavelength λ 2 .
【００２８】このように、オゾンを積極的に発生させる
ことができるので強力に殺菌、脱臭等を行える。また波
長λ2 の紫外線も放出することができるので、オゾンで
殺菌できないような細菌等も効果的に殺菌することがで
きる。As described above, since ozone can be positively generated, sterilization, deodorization, and the like can be strongly performed. Since it can be ultraviolet rays having a wavelength of lambda 2 release, such as bacteria that can not be sterilized with ozone can be effectively sterilized.
【００２９】なお、再び人間のいる時間帯になったら、
回転駆動装置３によりフィルタ部材４を再度 1/2回転さ
せフィルタ部材４を元の位置に戻す。これにより上記殺
菌を行える他、波長λ2 の紫外線で残留オゾンの除去等
を行うこともできる。[0029] When it is time for a person to be present again,
The rotation driving device 3 rotates the filter member 4 half a second time to return the filter member 4 to the original position. Thus in addition to perform the sterilization, it can be performed such as removal of residual ozone in the ultraviolet wavelength lambda 2.
【００３０】このように、かかる空気浄化装置及び紫外
線ランプによれば、１台の紫外線ランプで２種類の波長
の紫外線を利用することができ、コストダウンを図るこ
とができる。またフィルタ部材４を回転させるので管軸
方向に大きなスペースを取らないで済み、装置が非常に
コンパクトとなる。As described above, according to the air purifying apparatus and the ultraviolet lamp, one ultraviolet lamp can use ultraviolet rays of two wavelengths, and the cost can be reduced. In addition, since the filter member 4 is rotated, a large space is not required in the pipe axis direction, and the apparatus becomes very compact.
【００３１】［第二実施形態］図６及び図７に本発明の
第二実施形態を示す。この実施形態は第一実施形態とほ
ぼ同様で、異なるのはフィルタ部材４でなく紫外線ラン
プ２を回転させる点である。即ち、フィルタ部材４が固
定系に固定され、紫外線ランプ２が回転駆動装置３によ
り管軸回りに半周回転される。フィルタ部材４を回転さ
せる必要がないのでフランジ部１３は省略される。作用
効果については第一実施形態と同様である。[Second Embodiment] FIGS. 6 and 7 show a second embodiment of the present invention. This embodiment is substantially the same as the first embodiment, except that the ultraviolet lamp 2 is rotated instead of the filter member 4. That is, the filter member 4 is fixed to a fixed system, and the ultraviolet lamp 2 is rotated by the rotation driving device 3 by half rotation around the tube axis. Since it is not necessary to rotate the filter member 4, the flange portion 13 is omitted. The operation and effect are the same as in the first embodiment.
【００３２】［第三実施形態］図８に本発明の第三実施
形態を示す。この実施形態では紫外線ランプ２ａの管７
ａ全体が比較的純度の高い合成石英ガラスで作製され、
全体がオゾン発生部１０とされている。そしてフィルタ
部材４ａは、管７ａ全体を覆い隠すことができるような
管軸周りに１周する完全な直円管状とされ、紫外線ラン
プ２ａの外側に管軸方向に移動可能に設けられる。フィ
ルタ部材４ａは前記同様一般石英ガラスからなる。フィ
ルタ部材４ａを管軸方向に移動させるため、前記回転駆
動装置３に代わってスライド装置３ａが設けられる。第
一シール部材５は省略され、第二シール部材６ａは完全
な円環状とされて紫外線ランプ２ａの長手方向両端に固
着され、紫外線ランプ２ａの管端の隙間をシールする。
ここでは紫外線ランプ２ａが固定系に固定され、フィル
タ部材４ａがスライド装置３ａにより管軸方向に移動さ
れるが、この関係は逆であっても構わない。[Third Embodiment] FIG. 8 shows a third embodiment of the present invention. In this embodiment, the tube 7 of the ultraviolet lamp 2a is used.
a is made of synthetic quartz glass of relatively high purity,
The whole is an ozone generator 10. The filter member 4a is a complete right circular tube that makes one round around the tube axis so as to cover the entire tube 7a, and is provided outside the ultraviolet lamp 2a so as to be movable in the tube axis direction. The filter member 4a is made of general quartz glass as described above. In order to move the filter member 4a in the tube axis direction, a slide device 3a is provided in place of the rotation drive device 3. The first seal member 5 is omitted, and the second seal member 6a is formed in a complete annular shape and fixed to both ends in the longitudinal direction of the ultraviolet lamp 2a to seal a gap at a tube end of the ultraviolet lamp 2a.
Here, the ultraviolet lamp 2a is fixed to a fixed system, and the filter member 4a is moved in the tube axis direction by the slide device 3a, but the relationship may be reversed.
【００３３】オゾンを発生させたいときは、図示するよ
うにフィルタ部材４ａを管長の半分程度右側に移動し、
オゾン発生部１０を半分程度露出させる。するとオゾン
発生部１０から放出された特に波長λ1 の紫外線でオゾ
ンを発生でき、フィルタ部材４ａから放出された特に波
長λ2 の紫外線で殺菌を行える。When it is desired to generate ozone, the filter member 4a is moved to the right about half the length of the tube as shown in the figure,
The ozone generator 10 is exposed by about half. Then, ozone can be generated by the ultraviolet ray of the wavelength λ 1 emitted from the ozone generator 10, and sterilization can be performed by the ultraviolet ray of the wavelength λ 2 emitted from the filter member 4a.
【００３４】一方、オゾンを発生させたくないときは、
フィルタ部材４ａを左側に移動し、オゾン発生部１０を
完全に覆い隠す。このとき管両端部からの光漏れが第二
シール部材６ａにより防止される。こうなるとフィルタ
部材４ａから波長220nm 以上の紫外線のみが放出される
ようになり、特に波長λ2 の紫外線で殺菌を行えると共
に、オゾン発生可能な紫外線が遮断されてオゾンの発生
がなくなる。その他の作用効果は前記実施形態と同様で
ある。On the other hand, if you do not want to generate ozone,
The filter member 4a is moved to the left to completely cover the ozone generator 10. At this time, light leakage from both ends of the tube is prevented by the second seal member 6a. This happens when only the ultraviolet wavelength of at least 220nm from the filter member 4a is to be released, especially with allows sterilization with ultraviolet light of wavelength lambda 2, is cut off the ozone can be generated ultraviolet generation of ozone is eliminated. Other functions and effects are the same as those of the above embodiment.
【００３５】［第四実施形態］図９及び図１０に本発明
の第四実施形態を示す。この実施形態では第三実施形態
のフィルタ部材４ａにつき、これが管軸方向に等しく二
分割され、各分割部４ｂ，４ｂ同士が管軸方向に近接離
反可能となっている。そしてこの近接離反移動を行うた
め開閉スライド装置３ｂが設けられる。[Fourth Embodiment] FIGS. 9 and 10 show a fourth embodiment of the present invention. In this embodiment, the filter member 4a of the third embodiment is equally divided into two in the tube axis direction, and the divided portions 4b, 4b can approach and separate from each other in the tube axis direction. An opening / closing slide device 3b is provided to perform this approach / separation movement.
【００３６】オゾンを発生させたくないときは、図９に
示すように分割部４ｂ，４ｂ同士を近接移動し、フィル
タ部材４ａを完全に閉じてオゾン発生部１０を覆い隠
す。またオゾンを発生させたいときは、図１０に示すよ
うに分割部４ｂ，４ｂ同士を離反移動し、フィルタ部材
４ａを半開きの状態にしてオゾン発生部１０を管長の半
分程度露出させる。この他の作用効果は前記実施形態と
同様である。When it is not desired to generate ozone, as shown in FIG. 9, the divisions 4b, 4b are moved close to each other, the filter member 4a is completely closed, and the ozone generation unit 10 is covered. When it is desired to generate ozone, as shown in FIG. 10, the dividing portions 4b and 4b are moved away from each other, and the filter member 4a is opened halfway, so that the ozone generating portion 10 is exposed to about half of the tube length. Other functions and effects are the same as those of the above embodiment.
【００３７】［第五実施形態］図１１及び図１２に本発
明の第五実施形態を示す。この実施形態では第三実施形
態（図８）のフィルタ部材４ａにつき、これが管軸方向
に移動せず管全体を覆うと共に、管周方向に等しく二分
割され、各分割部４ｃ，４ｃ同士がヒンジ１４で連結さ
れ開閉可能となっている。そしてこの開閉を行うため開
閉装置３ｃが設けられる。第二シール部材６は第一実施
形態と同様とされ、フィルタ部材４ａの管軸方向両端部
に固着される。[Fifth Embodiment] FIGS. 11 and 12 show a fifth embodiment of the present invention. In this embodiment, the filter member 4a of the third embodiment (FIG. 8) covers the entire pipe without moving in the pipe axis direction, and is equally divided into two in the pipe circumferential direction. 14 and can be opened and closed. An opening / closing device 3c is provided for opening and closing. The second seal member 6 is the same as that of the first embodiment, and is fixed to both ends in the tube axis direction of the filter member 4a.
【００３８】オゾンを発生させたくないときは、図１１
に示すように分割部４ｃ，４ｃ同士を完全に閉じてオゾ
ン発生部１０をフィルタ部材４ａで完全に覆い隠す。オ
ゾンを発生させたいときは、図１２に示すように分割部
４ｃ，４ｃ同士を開いてオゾン発生部１０を露出させ
る。このときオゾン発生部１０の全体が露出されること
からフィルタ部材４ａを透過して放出される紫外線はな
い。もっとも一方の分割部４ｃを閉じておけばフィルタ
部材４ａを透過させて二種類の波長λ1 ，λ2 の紫外線
を得ることができる。この他の作用効果は前記実施形態
と同様である。When it is not desired to generate ozone, FIG.
As shown in (2), the divided portions 4c, 4c are completely closed, and the ozone generator 10 is completely covered with the filter member 4a. When it is desired to generate ozone, as shown in FIG. 12, the divisions 4c and 4c are opened to expose the ozone generation unit 10. At this time, since the entire ozone generation unit 10 is exposed, no ultraviolet light is transmitted and emitted through the filter member 4a. However, if one of the divisions 4c is closed, the ultraviolet light having two wavelengths λ 1 and λ 2 can be obtained through the filter member 4a. Other functions and effects are the same as those of the above embodiment.
【００３９】［第六実施形態］図１３及び図１４に本発
明の第六実施形態を示す。この実施形態では第五実施形
態（図１１）のフィルタ部材４ａにつき、これがヒンジ
で開閉するものではなく、各分割部４ｃ，４ｃ同士が直
線方向に近接離反移動され、フィルタ部材４ａが開閉さ
れる。そしてこの近接離反移動を行うため開閉移動装置
３ｄが設けられる。[Sixth Embodiment] FIGS. 13 and 14 show a sixth embodiment of the present invention. In this embodiment, the filter member 4a of the fifth embodiment (FIG. 11) does not open and close with a hinge, but each of the divided portions 4c, 4c moves close to and away from each other in a linear direction, and the filter member 4a is opened and closed. . An opening / closing movement device 3d is provided to perform this approach / separation movement.
【００４０】オゾンを発生させたくないときは、図１３
に示すように分割部４ｃ，４ｃ同士を接近させてフィル
タ部材４ａを完全に閉じ、オゾン発生部１０をフィルタ
部材４ａで完全に覆い隠す。オゾンを発生させたいとき
は、図１４に示すように分割部４ｃ，４ｃ同士を互いに
離反移動させ、フィルタ部材４ａを開いてオゾン発生部
１０を完全に露出させる。なお第五実施形態同様、フィ
ルタ部材４ａを透過させたいときは一方の分割部４ｃの
み閉じればよい。この他の作用効果は前記実施形態と同
様である。When it is not desired to generate ozone, FIG.
As shown in (5), the filter members 4a are completely closed by bringing the divided portions 4c close to each other, and the ozone generator 10 is completely covered and concealed by the filter members 4a. When it is desired to generate ozone, as shown in FIG. 14, the divided portions 4c and 4c are moved away from each other, and the filter member 4a is opened to completely expose the ozone generating portion 10. As in the fifth embodiment, when it is desired to transmit the light through the filter member 4a, only one of the divided portions 4c needs to be closed. Other functions and effects are the same as those of the above embodiment.
【００４１】この他にも本発明の実施の形態は様々考え
られる。例えば第一及び第二実施形態では管を周方向に
等しく二分割したが、四分割、六分割等とする変形も可
能である。この場合、オゾン発生部と殺菌部とを周方向
に等間隔で交互に形成し、フィルタ部材もオゾン発生部
と同等の大きさとし、オゾン発生部のみを覆えるように
する。そしてフィルタ部材を90°，60°等の回転角で回
転させ、オゾン発生部を選択的に露出させるようにす
る。Various other embodiments of the present invention are conceivable. For example, in the first and second embodiments, the pipe is equally divided into two in the circumferential direction, but modifications such as four divisions, six divisions, and the like are also possible. In this case, the ozone generating section and the sterilizing section are alternately formed at equal intervals in the circumferential direction, and the filter member has the same size as the ozone generating section so that only the ozone generating section can be covered. Then, the filter member is rotated at a rotation angle of 90 °, 60 °, or the like so that the ozone generation unit is selectively exposed.
【００４２】また、オゾン発生部を露出させるときフィ
ルタ部材を全く別の場所に移動することも可能である。When exposing the ozone generator, the filter member can be moved to a completely different place.
【００４３】本発明の「第一の紫外線」には波長λ1 ＝
184.9nm 付近のオゾン発生可能な全ての紫外線が含まれ
る。同様に「第二の紫外線」には波長λ2 ＝253.7nm 付
近或いはそれ以上の殺菌可能な全ての紫外線が含まれ
る。また「第一の材料」及び「第二の材料」には、前記
実施形態の如き高純度の合成石英ガラス及び低純度の一
般石英ガラス等の他、同等の代替材料が使用可能であ
る。例えば「第二の材料」として、波長180 〜220nm の
紫外線を吸収する特性を備えた金属酸化物、例えば酸化
鉄や酸化ニッケル等が使用可能である。The "first ultraviolet light" of the present invention has a wavelength λ 1 =
Includes all ultraviolet radiation that can generate ozone around 184.9 nm. Similarly, "second ultraviolet light" includes all sterilizable ultraviolet light having a wavelength of about λ 2 = 253.7 nm or more. As the “first material” and the “second material”, equivalent substitute materials other than the high-purity synthetic quartz glass and the low-purity general quartz glass as in the above-described embodiment can be used. For example, as the "second material", a metal oxide having a property of absorbing ultraviolet light having a wavelength of 180 to 220 nm, such as iron oxide or nickel oxide, can be used.
【００４４】フィルタ部材の位置を連続的に可変とし、
オゾン発生部又は殺菌部の露出面積又は隠蔽面積を連続
可変とすることも可能である。この場合、当然ながらオ
ゾン発生部の露出面積を大きくする程オゾン発生量が多
くなる。The position of the filter member is made continuously variable,
The exposed area or the concealed area of the ozone generating section or the sterilizing section can be made continuously variable. In this case, naturally, the larger the exposed area of the ozone generator, the larger the amount of ozone generated.
【００４５】なお、特許公報第3004953 号には、管の全
体を第一の材料で形成し、その管軸方向の一部に第二の
材料を被着したものが開示されているが、これだとオゾ
ン発生部の露出面積を変えられないばかりか、管長全体
から均等にオゾン発生用或いは殺菌用紫外線を放出する
ことができない。本発明によればこれらが可能であり、
その点でも本発明は非常に有益である。Japanese Patent Publication No. 3004953 discloses a tube in which the entire tube is formed of a first material and a second material is applied to a part of the tube in the axial direction. If this is the case, not only can the exposed area of the ozone generating section be changed, but also the ultraviolet rays for ozone generation or sterilization cannot be uniformly emitted from the entire tube length. These are possible according to the invention,
In this respect, the present invention is very useful.
【００４６】[0046]
【発明の効果】以上要するに本発明によれば、１台の紫
外線ランプで２種類の波長の紫外線を利用することがで
き、コストダウンを図ることができるという、優れた効
果が発揮される。In summary, according to the present invention, a single ultraviolet lamp can utilize ultraviolet rays of two wavelengths, thereby achieving an excellent effect that cost can be reduced.
【図１】第一実施形態を示す縦断正面図である。FIG. 1 is a vertical sectional front view showing a first embodiment.
【図２】同縦断正面図でフィルタ部材の移動後を示す。FIG. 2 is a longitudinal sectional front view showing a state after a filter member is moved.
【図３】図１の左側面図である。FIG. 3 is a left side view of FIG.
【図４】第一シール部材の斜視図である。FIG. 4 is a perspective view of a first seal member.
【図５】第二シール部材の斜視図である。FIG. 5 is a perspective view of a second seal member.
【図６】第二実施形態を示す縦断正面図である。FIG. 6 is a longitudinal sectional front view showing a second embodiment.
【図７】同縦断正面図で管の移動後を示す。FIG. 7 shows the pipe after it has been moved in the vertical sectional front view.
【図８】第三実施形態を示す縦断側面図である。FIG. 8 is a vertical sectional side view showing a third embodiment.
【図９】第四実施形態を示す縦断側面図である。FIG. 9 is a vertical sectional side view showing a fourth embodiment.
【図１０】同側面図でフィルタ部材の移動後を示す。FIG. 10 is a side view showing a state after the movement of the filter member.
【図１１】第五実施形態を示す縦断正面図である。FIG. 11 is a longitudinal sectional front view showing a fifth embodiment.
【図１２】同縦断正面図でフィルタ部材の展開後を示
す。FIG. 12 is a longitudinal sectional front view showing the filter member after being deployed.
【図１３】第六実施形態を示す縦断正面図である。FIG. 13 is a vertical sectional front view showing a sixth embodiment.
【図１４】同縦断正面図でフィルタ部材の移動後を示
す。FIG. 14 is a longitudinal sectional front view showing a state after the filter member is moved.
１ 空気浄化装置 ２，２ａ 紫外線ランプ ３ 回転駆動装置 ３ａ スライド装置 ３ｂ 開閉スライド装置 ３ｃ 開閉装置 ３ｄ 開閉移動装置 ４，４ａ フィルタ部材 ４ｂ，４ｃ 分割部 ７，７ａ 管 １０ オゾン発生部 １１ 殺菌部 １４ ヒンジ λ1 ，λ2 波長DESCRIPTION OF SYMBOLS 1 Air purification device 2, 2a Ultraviolet lamp 3 Rotation drive device 3a Slide device 3b Opening / closing slide device 3c Opening / closing device 3d Opening / closing moving device 4, 4a Filter member 4b, 4c Dividing part 7, 7a Tube 10 Ozone generating part 11 Sterilizing part 14 Hinge λ 1 , λ 2 wavelength
Claims (7)
第一の紫外線を透過し得る第一の材料で形成されたオゾ
ン発生部と、上記第一の紫外線を吸収し且つこれより長
い波長の殺菌可能な第二の紫外線を透過し得る第二の材
料で形成された殺菌部とから管周方向に分割して構成
し、且つこれらを互いに固着してなることを特徴とする
紫外線ランプ。1. An ozone generating portion made of a first material capable of transmitting first ultraviolet light capable of generating ozone, a tube serving as a light emitting portion, and a wavelength longer than that absorbing and absorbing the first ultraviolet light. And a sterilizing part formed of a second material capable of transmitting the second ultraviolet ray capable of being sterilized in the circumferential direction of the tube and fixed to each other.
線を含み、上記第二の紫外線が波長253.7nm の紫外線を
含むと共に、上記第一の材料が比較的純度の高い合成石
英ガラスであり、上記第二の材料が比較的純度の低い一
般石英ガラスである請求項１記載の紫外線ランプ。2. The method according to claim 1, wherein the first ultraviolet rays include ultraviolet rays having a wavelength of 184.9 nm, the second ultraviolet rays include ultraviolet rays having a wavelength of 253.7 nm, and the first material is synthetic quartz glass having a relatively high purity. 2. The ultraviolet lamp according to claim 1, wherein said second material is a general quartz glass having a relatively low purity.
ゾン発生部と上記殺菌部とが管周方向に等しく半分ずつ
形成されるか又は管周方向に等間隔で複数交互に形成さ
れる請求項１又は２記載の紫外線ランプ。3. The whole pipe is a right circular tube, and the ozone generating section and the sterilizing section are formed equally in half in the circumferential direction of the pipe, or alternately formed at equal intervals in the circumferential direction of the pipe. The ultraviolet lamp according to claim 1.
ランプと、上記第二の材料で形成され上記オゾン発生部
を外側から覆うフィルタ部材と、該フィルタ部材又は上
記紫外線ランプを移動させて上記オゾン発生部を選択的
に露出させるための移動手段とを備えたことを特徴とす
る空気浄化装置。4. The ultraviolet lamp according to claim 1, a filter member formed of the second material and covering the ozone generation portion from outside, and moving the filter member or the ultraviolet lamp. An air purifying apparatus comprising: a moving unit for selectively exposing the ozone generating unit.
ランプと、上記第二の材料で形成され上記オゾン発生部
を外側から覆うフィルタ部材と、該フィルタ部材又は上
記紫外線ランプを管軸回りに所定角度回転させ、上記フ
ィルタ部材を上記殺菌部の外側に位置させて上記オゾン
発生部を選択的に露出させるための回転移動手段とを備
えたことを特徴とする空気浄化装置。5. The ultraviolet lamp according to claim 1, a filter member made of the second material and covering the ozone generating portion from the outside, and the filter member or the ultraviolet lamp around a tube axis. And a rotation moving means for rotating the filter member outside the sterilizing section by a predetermined angle to selectively expose the ozone generating section.
能な第一の紫外線を透過し得る第一の材料で形成した紫
外線ランプと、上記第一の紫外線を吸収し且つこれより
長い波長の殺菌可能な第二の紫外線を透過し得る第二の
材料で形成したフィルタ部材であって、上記管全体を外
側から覆うフィルタ部材と、該フィルタ部材又は上記紫
外線ランプを移動させて上記管の一部又は全部を選択的
に露出させるための移動手段とを備えたことを特徴とす
る空気浄化装置。6. An ultraviolet lamp made of a first material capable of transmitting first ultraviolet light capable of generating ozone, and an entirety of a tube forming a light-emitting portion, and a lamp having a longer wavelength which absorbs the first ultraviolet light and has a longer wavelength. A filter member formed of a second material capable of transmitting a second sterilizable ultraviolet ray, wherein the filter member covers the entire tube from the outside; and the filter member or the ultraviolet lamp is moved to move one of the tubes. A moving means for selectively exposing a part or the whole thereof.
線を含み、上記第二の紫外線が波長253.7nm の紫外線を
含むと共に、上記第一の材料が比較的純度の高い合成石
英ガラスであり、上記第二の材料が比較的純度の低い一
般石英ガラスである請求項６記載の空気浄化装置。7. The method according to claim 1, wherein the first ultraviolet ray includes an ultraviolet ray having a wavelength of 184.9 nm, the second ultraviolet ray includes an ultraviolet ray having a wavelength of 253.7 nm, and the first material is synthetic quartz glass having a relatively high purity. 7. The air purifying apparatus according to claim 6, wherein the second material is general quartz glass having a relatively low purity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000166489A JP3744312B2 (en) | 2000-05-31 | 2000-05-31 | Air purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000166489A JP3744312B2 (en) | 2000-05-31 | 2000-05-31 | Air purification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001340439A true JP2001340439A (en) | 2001-12-11 |
| JP3744312B2 JP3744312B2 (en) | 2006-02-08 |
Family
ID=18669796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000166489A Expired - Fee Related JP3744312B2 (en) | 2000-05-31 | 2000-05-31 | Air purification device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3744312B2 (en) |
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