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JP3740044B2 - Storage with sterilizing and deodorizing functions - Google Patents
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JP3740044B2 - Storage with sterilizing and deodorizing functions - Google Patents

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JP3740044B2
JP3740044B2 JP2001284431A JP2001284431A JP3740044B2 JP 3740044 B2 JP3740044 B2 JP 3740044B2 JP 2001284431 A JP2001284431 A JP 2001284431A JP 2001284431 A JP2001284431 A JP 2001284431A JP 3740044 B2 JP3740044 B2 JP 3740044B2
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storage
lamp
anode
cathode
ultraviolet lamp
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JP2003088570A (en
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和男 徳田
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HOUKOKU KOGYO CO., LTD.
Taiki Corp Ltd
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HOUKOKU KOGYO CO., LTD.
Taiki Corp Ltd
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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、U字管型紫外線ランプを備えた殺菌・消臭機能を有する収納庫に関する。
また、本発明は、U字管型紫外線ランプの両電極端末の直径が異なるとともにランプの陽極側からランプの陰極側に気流を発生する紫外線ランプが内部に配設されてなる殺菌・消臭機能を有する収納庫に関する。
【0002】
【従来の技術】
最近、衣料用ローカー、コインロッカー、生ゴミ収納庫、コンテナ、トランクルーム、下駄箱、冷蔵保管庫、食品貯蔵庫、清掃用具保管庫などでは殺菌機能と消臭機能を兼ね備えた収納庫が望まれている。
これらの要請に応えて、殺菌機能と消臭機能を付与する手段として、収納庫内に紫外線ランプを設けて、紫外線そのものや紫外線エネルギーで発生するオゾンによって収納物の殺菌や種々の臭気を分解除去する収納庫が開発され、実用化されている。しかし、紫外線やオゾンが収納庫内で均一な分散の上で問題があり、紫外線の光線やオゾンを収納庫内で均一に分散する技術が希求され、多くの技術が提案されているが、未だ十分なものはない。
【0003】
例えば、紫外線設備を天井部と床上部に設けるとともにロッカー内部の全面に紫外線反射塗料を塗布した殺菌衣類ロッカー(実開昭55-30197号公報)、ロッカーの隅角部に殺菌灯を配し、天井部の中心付近にモーターで駆動されるハンガーを設け、光線が均一に照射されるロッカー(実開昭 60-185938号公報)、紫外線殺菌灯とオゾン発生装置を併設し、送風ファンで気流を均一化させる収納庫(登録実案第 3043720号公報)、紫外線ランプ、循環設備として紫外線ヒーター及び送風機を設けた収納庫(特開2000-70055号公報)などが提案されているが、これらのいずれの技術では、紫外線やオゾンを収納庫内で均一化するのには限界があり、収納庫の構成が複雑で、収納室の有効容積が減少したり、循環ファンのモーターを取り付けるために電力消費量が大きく実用性に欠けるものであった。
【0004】
【発明が解決しようとする課題】
上述するように、従来技術の問題点を解決し、従来の収納庫では、紫外線やオゾンの均一分散させ、構造を簡潔にし、実効有効容積を大きくし、電力消費量を小さくして、実用性にすぐれた収納庫の開発を目指した。
そこで、本発明では、殺菌機能と消臭機能を有する収納庫であって、紫外線ランプを配するだけで、循環ファンなどの付帯設備を組み込むことなく、オゾンを含む気流を自然対流させてオゾン濃度を均一化して、収納スペースを最大限に活用するとともに、省電力型の収納庫の提供を課題とするものである。
【0005】
【課題を解決するための手段】
すなわち、本発明は以下の構成を基本とする。
(1)少なくとも 253.7nmと 184.9nmのスペクトル線を放射するU字管型紫外線ランプにおいて、前記紫外線ランプの陽極端末の直径をD、陰極端末の直径をdとするとき、d/D が 0.3〜0.7 であり、ランプの陽極側からランプの陰極側に気流を発生する紫外線ランプが内部に配設されてなることを特徴とする殺菌機能と消臭機能を有する収納庫。
(2)紫外線ランプを配設するときは、ランプの陽極と陰極を含む平面が実質的に水平となるように収納庫内の上部に配設することを特徴とする上記(1)の殺菌機能と消臭機能を有する収納庫。
(3)紫外線ランプは、陽極と陰極を含む平面が水平面を形成して陽極側が収納室の壁側に近くなるように設けることを特徴とする上記(1)又は(2)の殺菌機能と消臭機能を有する収納庫。
(4)収納庫が、医療現場や無菌室向けの更衣ロッカー、一般衣料用ロッカー、コインロッカー、生ゴミ収納庫、コンテナ、トランクルーム、下駄箱、冷蔵保管庫、食品貯蔵庫、清掃用具保管庫であることを特徴とする上記(1)〜(3)のいずれかに記載の殺菌機能と消臭機能を有する収納庫。
【0006】
【発明の実施の形態】
本発明の収納庫に配設する紫外線ランプとして、例えば冷陰極低圧型水銀放電ランプを使用すると好ましい。光源としては、水銀ランプの外にメタルハライドランプがある。
紫外線の中でオゾン生成と分解に関与するのは、184.9nmと 253.7nmのスペクトル線であるので、この波長領域の透過率の高い石英ガラスを管壁材として使用すると 253.7nmと 184.9nmの放射スペクトルを含む紫外線が得られる。この紫外線エネルギーによってオゾンとともに、マイナス性イオンを含む種々の電離性気体が発生する。 184.9nmの放射スペクトル線は主としてオゾン生成に、 253.7nmの放射スペクトル線を主としてオゾン分解に寄与する。余剰のオゾンは、上記 253.7nmの放射スペクトル線によって分解を受け、密閉系にあってもオゾン濃度は平衡値に保たれる。
ランプから発せられる紫外線自体、各種菌体の細胞を破壊する殺菌作用を有するので、本発明ではこれに加えてオゾンが活性酸素による強い酸化作用によって殺菌作用と、悪臭物質の消臭作用を発揮する。
【0007】
本発明の収納庫に配設されてなる紫外線ランプは、U字管型の形状を有するものである。U字管型であると、ランプの陽極と陰極の間隔が狭まって、電界強度が高まるために、電離性気体の移動が促進され、ランプの陽極側からランプの陰極側に向けて気流が発生し易くなる。これに対して、直管形状ではこの作用は少なく、実用的でないので、本発明ではこの直管形状の紫外線ランプは採用しない。
本発明における紫外線ランプの電極特性は、放電部の陽極に接続される端末の直径をD、陰極に接続される端末の直径をdとするとき、d/D が 0.3〜0.7 であることが必須である。本発明においてd/D の、特に好ましい範囲は 0.35 〜0.65である。
【0008】
ランプ表面付近では、紫外線の作用でマイナスイオンを含む荷電性物質やオゾンが発生するが、ランプの陽極と陰極に接続する端末部の直径の比率を上記d/D が 0.3〜0.7の範囲に制御することによって、陽極と陰極付近の電界に適度な異方性が生じ、マイナスイオンを主体とする荷電性物質をランプの陽極側からランプの陰極側に向けて移動させる推進力を産出するため、荷電性物質の移動にともなう気流が発生し、オゾンもこの気流に随伴されることとなる。
【0009】
上記d/D が、0.3〜0.7 の範囲内にあると、送風ファンが不要な程度の気流が低電力で発生するが、この気流は、オゾンや電離性気体を含む空気の流れであり、通常、1×10-5〜 1×10-3m3/sec (標準状態) 程度の流れではあるが、循環ファンを使用することなく、オゾンを含む気流の自然循環が可能である。
逆に上記d/D が 0.3を下回ると、陰極が熱融着して破損し易くなる。逆にd/D が 0.7を越えるとランプの陽極側からランプの陰極側に向かう気流量が低下する。特に、d/D が 1.0のU字管型紫外線ランプ(従来のU字管型紫外線ランプ)ではオゾンは発生するが、ランプの陽極側からランプの陰極側に向かう気流は発生しないので、本発明において目的とする収納庫には使用できない。
【0010】
陰極端末の太さは、0.3mm〜4mm 程度のものを、紫外線ランプのワット数に応じて設定する。陽極端末の太さは、d/D が 0.3〜0.7 の範囲になるように設定する。
ランプの陽極と陰極を含む平面が実質的に水平となるようにして収納庫内に配設すると好ましい。さらにオゾンの比重を考慮すると、収納庫の上部に配設することが好ましい。
ランプの陽極と陰極を含む平面が水平面を形成して陽極側が収納室の壁側に近くなるように配設すると、陽極側から陰極側への気流がスムーズとなり、さらに好ましい。
【0011】
本発明の収納庫に配設する紫外線ランプの1本あたりのワット数は、通常、1W 〜10W であり、紫外線放射強度が 0.01mW/cm2〜0.1mW/cm2、オゾン発生量が1 mg/h〜8mg/h 程度となり、低いワット数でありながらオゾン発生量が多い。通常、前記紫外線ランプには直流電圧を印加するのが適当である。所定の電圧を定常的に印加してもよいし、間歇的にパルス状に印加してもよい。また、タイマーなどと紫外線ランプを電気的に接続して所定の時間のみ通電したり、収納庫の扉や引き出し部を開けたときにインターロックが作動し、開放時にはランプへの通電が停止するように通電制御装置を接続したり、紫外線ランプが通電中であることを表示する各種表示装置を接続して使用するのがよい。
【0012】
本発明の収納庫で、前記紫外線ランプを配設するときは、ランプの陽極と陰極を含む平面が実質的に水平となるように収納庫内の上部に配設すると、オゾンを含む気流が水平方向に発生するとともに、空気との比重差で下方へ移動するので、収納室内のオゾン濃度が均一となりやすいので好適である。
本発明の収納庫の内容積に応じて配設するランプの本数やワット数を適宜選択する。例えば、4Wの紫外線ランプを1個設置した場合には、収納庫の内容積は 0.2〜2m3適度とするのが好ましい。収納庫内におけるオゾン濃度が 0.1〜5ppm程度となるように配設する紫外線ランプのワット数、本数を設計するとよい。
本発明の収納庫の内部は、1室のみで構成されてもよく、内壁などで複数の区画に分割された構造であってもよい。複数の区画に分割された構造の場合、仕切り板、多孔質板、邪魔板又はダンパーなどの部品を使用してオゾンを含む気流を制御すると好ましい。
【0013】
本発明の収納庫は、優れた殺菌機能と消臭機能を有するとともに収納室内の隅々までオゾンを行きわたらせることができるので、具体的な実施の態様として、無菌管理の厳しい医療現場や無菌室向け更衣ロッカーの外に一般用途の衣料用ロッカー、あるいは消臭機能が特に必要な生ゴミ収納庫、清掃用具保管庫、下駄箱、長期保管上、雑菌の繁殖防止と消臭が必要な冷蔵保管室、食品貯蔵庫、コインロッカー、コンテナ類、トランクルームなどへ本発明の収納庫を適用できる。
また、本発明の収納庫は、1つの収納室のみからなる収納庫であってもよいし、複数の収納室をもつ収納庫であってもよい。紫外線ランプの存在する空間部と各収納室とは開口部やダクトなどの空気流路を通じて連結される。必要に応じてダンパーを設けて各収納室への流れを微調整することもできる。
【0014】
以下、実施例によってさらに詳しく本発明を説明する。
【実施例1】
一辺が 0.4m の立方形状であり、天井部にワット数4WのU字管型紫外線ランプ( d/D=0.5)を取り付けたコインロッカーを製作した。
このコインロッカーに、10人が履いていた靴下の片足分を10枚投入して紫外線を10分間照射 (照射時のオゾン濃度は0.5ppm) 後、消灯してさらに10分間放置した (オゾン処理品) 。
オゾン処理を施さなかった残りの靴下と前記オゾン処理品の臭いを官能法で比較評価したところ、10人分とも明らかに臭いが消えているのてが認められた。
【0015】
【実施例2】
内寸が巾 515mm、奥行き 455mm、高さ1790mmであり、天井部内側にワット数4WのU字管型紫外線ランプ(d/D=0.5)1本を取り付けた扉付衣料用ロッカーを製作した。
一方、黄色ブドウ球菌の菌液を滴下した標準繊布を白衣の襟元(A) 、袖口(B) 、裾(C) 、の3箇所に貼り付けた白衣を準備した。この白衣をハンガーに架け、前記扉付衣料用ロッカー内に所定時間吊るして紫外線照射した後、照射時間毎の黄色ブドウ球菌の菌数を評価した。
結果は表1に示す。
白衣の各部位とも明確な殺菌特性が顕著に認められた。
【0016】
【表1】

Figure 0003740044
【0017】
【実施例3〜5】
幅 355mm、奥行き 455mm、高さ1790mmの収納室が幅方向に4つ連なっており、上部には、4つの収納室と連通する通気口を有する天蓋を備えた図1に示す構造の無菌室用更衣ロッカーを製作した。
この収納庫の天蓋部分にはワット数4WのU字管型紫外線ランプ1本を取り付けた。陽極端子と陰極端子を含む平面が水平面を形成するように、かつ陽極端子が開閉扉側からみて上部空間の右側壁近くになるように前記紫外線ランプを配設した。 なお、前記紫外線ランプの陽極端末の直径をD、陰極端末の直径をdとするとき、d/D と陽極、陰極付近のマイナスイオンの発生量との関係を表2に示す。
【0018】
【表2】
Figure 0003740044
【0019】
U字型管紫外線ランプの陽極端末の直径をD、陰極端末の直径をdとするとき、d/D が 0.3〜0.7の範囲では、d/D が、小さくなるほどランプの陽極側からランプの陰極側に向けての気流が強くなり陽極と陰極でのマイナスイオン量の差が大きい。
また、前記d/D と収納室ごとのオゾン濃度及び実施例2と同じ方法で評価した殺菌性能を測定した。
紫外線ランプで35分照射後のオゾン濃度及び殺菌特性の評価結果を表3に示す。 U字管型紫外線ランプの陽極端末の直径をD、陰極端末の直径をdとするとき、d/D が 0.3〜0.7 の範囲では、循環ファンを使用しなくても、各収納室にほぼ均等にオゾンが行き渡り、吊り下げた無菌室用作業衣は無菌室用として問題のないレベルに到達していることがわかった。
【0020】
一方、d/D が 1.0では、オゾン発生量も少なく、ランプの陽極側からランプの陰極側に向けての気流が発生しないために収納室ごとのオゾン濃度も不均一で殺菌性能が劣っていた。
【0021】
【表3】
Figure 0003740044
【0022】
【実施例6】
実施例3〜5と同じ方法で、4連式の清掃用具保管庫を製作した。紫外線ランプ(d/D=0.5)で35分照射後、4つの各収納室に収められていた雑巾、モップ類の臭いを官能評価したところ、いずれも臭いは消失していた。
【0023】
【発明の効果】
本発明では、d/D (紫外線ランプの陽極端末の直径をD、陰極端末の直径をdとする)0.3〜0.7 であるU字管型の紫外線ランプを収納庫に配設するだけの簡単な構造で、殺菌機能と消臭機能を兼備する収納庫が得られる。収納庫に強制循環ファンのような設備を使用することがないので、オゾンを自然循環でき、収納スペースを最大限に有効活用することができる。
本発明の収納庫は、循環ファンのようなモーター系を使用しない殺菌機能と消臭機能を兼備する収納庫で、省電力・環境対応型の収納庫であることが特徴である。結果的に、このような高機能の収納庫を簡単な構造で製作することができるので、低コストで市場に提供することができる。
上記の特徴を生かして、本発明の収納庫は、殺菌機能や消臭機能を必要とする無菌管理の厳しい医療現場向けや無菌室向けの更衣ロッカー、衣料用ロッカー、コインロッカー、生ゴミ収納庫、コンテナ、トランクルーム、下駄箱、冷蔵保管庫、食品貯蔵庫、清掃用具保管庫などの収納庫として利用することができる。
【図面の簡単な説明】
【図1】U字管型紫外線ランプを備えた更衣ロッカーの実施例の斜視図で、天蓋部を一部切り開いて示してある。
【図2】更衣ロッカーの天蓋部でのU字管型紫外線ランプの配置とオゾンの流れの関係を示す図である。
【符号の説明】
1 更衣ロッカー
2 筺体
3 収納室
3a 隔壁
4 開閉扉
5 仕切り板
6 上部空間
7 通気口
8 天蓋
9a 右側壁
9b 左側壁
9c 前壁
10 気流発生装置
11 U字管型紫外線
12 制御基板
13 隔離区画
14 制御ボックス
14a 取付用ネジ孔
15 遮光板
16 リミットスイッチ
18 作動表示ランプ
25 放電管
25a 陽極側
25b 陰極側
26 プラグ
27 陽極端末
28 陰極端末[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a storage box having a sterilizing / deodorizing function, which includes a U-shaped ultraviolet lamp.
The present invention also provides a sterilizing / deodorizing function in which an ultraviolet lamp for generating an air flow from the anode side of the lamp to the cathode side of the lamp is disposed inside the U-tube type ultraviolet lamp having different electrode ends. It is related with the storage which has.
[0002]
[Prior art]
Recently, a storage container having both a sterilizing function and a deodorizing function has been desired in a clothing locator, a coin locker, a garbage storage, a container, a trunk room, a clog box, a refrigerated storage, a food storage, a cleaning tool storage, and the like.
In response to these demands, as a means to provide sterilization and deodorizing functions, an ultraviolet lamp is provided in the storage, and the stored items are sterilized and various odors are decomposed and removed by ultraviolet rays themselves or ozone generated by ultraviolet energy. A storage has been developed and put into practical use. However, there is a problem in the uniform dispersion of ultraviolet rays and ozone in the storage, and there is a need for a technique for uniformly dispersing ultraviolet rays and ozone in the storage, and many technologies have been proposed, There is not enough.
[0003]
For example, disinfecting clothing lockers (UV Utility No. 55-30197) with UV equipment installed on the ceiling and floor and UV-reflective coating applied to the entire interior of the lockers, and disinfecting lamps at the corners of the lockers. A hanger driven by a motor is installed near the center of the ceiling, a locker that uniformly radiates light (Japanese Utility Model Publication No. 60-185938), an ultraviolet germicidal lamp and an ozone generator are installed, and air flow is generated by a blower fan. A uniform storage (Registration Model No. 3043720), an ultraviolet lamp, a storage provided with an ultraviolet heater and a blower as circulation equipment (Japanese Patent Laid-Open No. 2000-70055), etc. have been proposed. With this technology, there is a limit to homogenizing ultraviolet rays and ozone in the storage, the storage structure is complicated, the effective volume of the storage room is reduced, and power is consumed to install the motor of the circulation fan. amount It was those lacking in large practical use.
[0004]
[Problems to be solved by the invention]
As described above, the problems of the prior art are solved, and in the conventional storage, UV and ozone are uniformly dispersed, the structure is simplified, the effective effective volume is increased, the power consumption is reduced, and the utility The aim was to develop an excellent storage.
Therefore, in the present invention, it is a storage having a sterilizing function and a deodorizing function, and an ozone concentration is obtained by naturally convection of an air stream containing ozone without installing an auxiliary facility such as a circulation fan only by arranging an ultraviolet lamp. It is an object of the present invention to make the storage space uniform and maximize the storage space and to provide a power-saving storage.
[0005]
[Means for Solving the Problems]
That is, the present invention is based on the following configuration.
(1) In a U-shaped ultraviolet lamp that emits spectral lines of at least 253.7 nm and 184.9 nm, when the diameter of the anode terminal of the ultraviolet lamp is D and the diameter of the cathode terminal is d, d / D is 0.3 to A container having a sterilizing function and a deodorizing function, wherein an ultraviolet lamp that generates an air flow from the anode side of the lamp to the cathode side of the lamp is disposed inside.
(2) When disposing an ultraviolet lamp, the disinfection function according to the above (1), wherein the ultraviolet lamp is disposed on the upper part of the storage so that the plane including the anode and the cathode of the lamp is substantially horizontal. And storage with deodorizing function.
(3) The ultraviolet lamp is provided such that the plane including the anode and the cathode forms a horizontal plane and the anode side is close to the wall side of the storage chamber. Storage with odor function.
(4) The storage is a changing locker for medical sites or aseptic rooms, lockers for general clothing, coin lockers, garbage storage, containers, trunk rooms, clogs boxes, refrigerated storage, food storage, and cleaning tool storage A storage having a sterilizing function and a deodorizing function according to any one of (1) to (3) above.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
For example, a cold cathode low-pressure mercury discharge lamp is preferably used as the ultraviolet lamp disposed in the storage of the present invention. As a light source, there is a metal halide lamp in addition to a mercury lamp.
Since ultraviolet rays are involved in ozone generation and decomposition at 184.9 nm and 253.7 nm spectral lines, when quartz glass with high transmittance in this wavelength region is used as the tube wall material, radiation at 253.7 nm and 184.9 nm is emitted. Ultraviolet light including the spectrum is obtained. With this ultraviolet energy, various ionizing gases containing negative ions are generated together with ozone. The emission line at 184.9nm mainly contributes to ozone generation, and the radiation line at 253.7nm mainly contributes to ozone decomposition. Excess ozone is decomposed by the 253.7nm radiation spectrum line, and the ozone concentration is kept at an equilibrium value even in a closed system.
The ultraviolet ray emitted from the lamp itself has a bactericidal action that destroys cells of various cells. In addition, in this invention, ozone exerts a bactericidal action and a deodorizing action of malodorous substances by a strong oxidizing action by active oxygen. .
[0007]
The ultraviolet lamp provided in the storage of the present invention has a U-shaped tube shape. In the U-tube type, the distance between the anode and cathode of the lamp is narrowed and the electric field strength is increased, so that the movement of the ionizing gas is promoted and an air flow is generated from the anode side of the lamp toward the cathode side of the lamp. It becomes easy to do. On the other hand, since this action is small in a straight tube shape and is not practical, the present invention does not employ this straight tube shaped ultraviolet lamp.
The electrode characteristics of the ultraviolet lamp in the present invention are such that d / D is 0.3 to 0.7, where D is the diameter of the terminal connected to the anode of the discharge part and d is the diameter of the terminal connected to the cathode. It is. In the present invention, the particularly preferable range of d / D is 0.35 to 0.65.
[0008]
In the vicinity of the lamp surface, charged substances containing negative ions and ozone are generated by the action of ultraviolet rays, but the ratio of the diameter of the terminal connected to the anode and cathode of the lamp is controlled so that the above d / D is in the range of 0.3 to 0.7. By doing so, moderate anisotropy occurs in the electric field in the vicinity of the anode and the cathode, and in order to produce a propulsive force that moves the charged substance mainly composed of negative ions from the anode side of the lamp toward the cathode side of the lamp, An air flow accompanying the movement of the charged substance is generated, and ozone is accompanied by this air flow.
[0009]
When the above d / D is in the range of 0.3 to 0.7, an air current that does not require a blower fan is generated at low power, but this air current is a flow of air containing ozone and ionizing gas, Although the flow is about 1 × 10 −5 to 1 × 10 −3 m 3 / sec (standard state), it is possible to circulate natural airflow including ozone without using a circulation fan.
On the other hand, when the d / D is less than 0.3, the cathode is likely to be thermally fused and damaged. Conversely, when d / D exceeds 0.7, the air flow from the anode side of the lamp to the cathode side of the lamp decreases. In particular, in a U-shaped ultraviolet lamp having a d / D of 1.0 (conventional U-shaped ultraviolet lamp), ozone is generated, but no airflow from the anode side of the lamp to the cathode side of the lamp is generated. It cannot be used for the intended storage.
[0010]
The thickness of the cathode terminal is set to about 0.3 mm to 4 mm according to the wattage of the ultraviolet lamp. The thickness of the anode terminal is set so that d / D is in the range of 0.3 to 0.7.
It is preferable to arrange the lamp in the storage so that the plane including the anode and cathode is substantially horizontal. Furthermore, when considering the specific gravity of ozone, it is preferable to dispose in the upper part of the storage.
It is more preferable that the plane including the anode and the cathode of the lamp forms a horizontal plane so that the anode side is close to the wall side of the storage chamber, since the air flow from the anode side to the cathode side becomes smooth.
[0011]
The wattage per UV lamp disposed in the storage of the present invention is usually 1 W to 10 W, the ultraviolet radiation intensity is 0.01 mW / cm 2 to 0.1 mW / cm 2 , and the amount of ozone generated is 1 mg. / h to about 8mg / h, and the amount of ozone generated is large despite its low wattage. Usually, it is appropriate to apply a DC voltage to the ultraviolet lamp. A predetermined voltage may be applied constantly or intermittently in a pulse form. In addition, an interlock is activated when a timer or the like is electrically connected to the ultraviolet lamp for a predetermined time or when the storage door or drawer is opened, and the lamp is deenergized when opened. It is preferable to connect an energization control device or to connect various display devices that display that the ultraviolet lamp is energized.
[0012]
In the storage of the present invention, when the ultraviolet lamp is disposed, if the ultraviolet lamp is disposed in the upper part of the storage so that the plane including the anode and the cathode of the lamp is substantially horizontal, the air flow including ozone is horizontal. Since it is generated in the direction and moves downward due to the difference in specific gravity with air, it is preferable because the ozone concentration in the storage chamber tends to be uniform.
The number of lamps and the wattage to be arranged are appropriately selected according to the internal volume of the storage of the present invention. For example, when one 4 W ultraviolet lamp is installed, the internal volume of the storage is preferably 0.2 to 2 m 3 . It is advisable to design the wattage and number of ultraviolet lamps arranged so that the ozone concentration in the storage is about 0.1 to 5 ppm.
The interior of the storage of the present invention may be composed of only one room, or may be divided into a plurality of sections by an inner wall or the like. In the case of a structure divided into a plurality of compartments, it is preferable to control the airflow including ozone using parts such as a partition plate, a porous plate, a baffle plate, or a damper.
[0013]
The storage of the present invention has an excellent sterilization function and deodorization function and can spread ozone to every corner of the storage room. Lockers for general use in addition to changing lockers for rooms, or garbage storage that requires a deodorizing function, cleaning utensils storage, clogs boxes, long-term storage, refrigeration that requires prevention of germ growth and deodorization The storage of the present invention can be applied to storage rooms, food storages, coin lockers, containers, trunk rooms, and the like.
In addition, the storage of the present invention may be a storage made up of only one storage room, or a storage having a plurality of storage rooms. The space where the ultraviolet lamp exists and each storage chamber are connected through an air flow path such as an opening or a duct. If necessary, a damper can be provided to finely adjust the flow to each storage chamber.
[0014]
Hereinafter, the present invention will be described in more detail with reference to examples.
[Example 1]
A coin locker with a U-shaped UV lamp (d / D = 0.5) with a wattage of 4W was fabricated on the ceiling with a cubic shape with a side of 0.4m.
Put 10 socks for 10 people into this coin locker and irradiate with ultraviolet rays for 10 minutes (the ozone concentration at the time of irradiation is 0.5 ppm), then turn off the light and leave it for another 10 minutes (ozone-treated product) .
When the odors of the remaining socks that had not been subjected to ozone treatment and the odor of the ozone-treated product were evaluated by a sensory method, it was found that the odor was clearly disappeared for all 10 people.
[0015]
[Example 2]
A locker for clothing with a door with an inner dimension of 515mm in width, 455mm in depth, and 1790mm in height, and a U-tube type ultraviolet lamp (d / D = 0.5) with a wattage of 4W attached to the inside of the ceiling.
On the other hand, a white robe was prepared in which a standard cloth with dripped staphylococcus aureus solution was applied to the lab coat (A), cuff (B), and hem (C). This lab coat was hung on a hanger, suspended in the clothing locker with door for a predetermined time and irradiated with ultraviolet rays, and then the number of Staphylococcus aureus bacteria was evaluated for each irradiation time.
The results are shown in Table 1.
Clear bactericidal properties were remarkably observed in each part of the lab coat.
[0016]
[Table 1]
Figure 0003740044
[0017]
Examples 3 to 5
For sterilized chambers with the structure shown in Fig. 1, with four storage chambers with a width of 355mm, a depth of 455mm, and a height of 1790mm, with a canopy with vents communicating with the four storage chambers at the top. A locker was made.
A U-shaped UV lamp with a wattage of 4 W was attached to the canopy of this storage. The ultraviolet lamp was disposed so that the plane including the anode terminal and the cathode terminal formed a horizontal plane, and the anode terminal was close to the right side wall of the upper space when viewed from the open / close door side. Table 2 shows the relationship between d / D and the amount of negative ions generated near the anode and cathode, where D is the diameter of the anode terminal of the ultraviolet lamp and d is the diameter of the cathode terminal.
[0018]
[Table 2]
Figure 0003740044
[0019]
When the diameter of the anode end of the U-shaped tube ultraviolet lamp is D and the diameter of the cathode end is d, when d / D is in the range of 0.3 to 0.7, the d / D decreases from the anode side of the lamp as the d / D decreases. The air flow toward the side becomes stronger, and the difference in the amount of negative ions between the anode and the cathode is large.
Moreover, the sterilization performance evaluated by the same method as Example 2 and the ozone concentration for every said d / D and storage chamber was measured.
Table 3 shows the evaluation results of ozone concentration and bactericidal properties after irradiation with an ultraviolet lamp for 35 minutes. When the diameter of the anode end of the U-shaped UV lamp is D and the diameter of the cathode end is d, the d / D is in the range of 0.3 to 0.7, even if no circulation fan is used. As a result, it was found that the work clothes for sterilization chambers that had been suspended and reached the level of no problem for sterilization chambers.
[0020]
On the other hand, when d / D is 1.0, the amount of ozone generated is small, and no airflow is generated from the anode side of the lamp to the cathode side of the lamp, so the ozone concentration in each storage chamber is uneven and the sterilization performance is inferior. .
[0021]
[Table 3]
Figure 0003740044
[0022]
[Example 6]
A quadruple cleaning tool storage was produced in the same manner as in Examples 3-5. After irradiating with an ultraviolet lamp (d / D = 0.5) for 35 minutes, the odors of the rags and mops contained in each of the four storage chambers were subjected to a sensory evaluation.
[0023]
【The invention's effect】
In the present invention, a U-tube type ultraviolet lamp having d / D (the diameter of the anode terminal of the ultraviolet lamp is D and the diameter of the cathode terminal is d) 0.3 to 0.7 is simply provided in the storage. With the structure, a storage room having both a sterilizing function and a deodorizing function can be obtained. Since no equipment such as a forced circulation fan is used in the storage, ozone can be circulated naturally and the storage space can be utilized to the maximum extent possible.
The storage of the present invention is a storage having both a sterilizing function and a deodorizing function that does not use a motor system such as a circulation fan, and is characterized by being a power-saving and environmentally friendly storage. As a result, such a highly functional storage can be manufactured with a simple structure, and can be provided to the market at a low cost.
Taking advantage of the above features, the storage of the present invention is a locker for clothes and sterilized rooms with severe sterility management and sterilization function, a locker for clothing, a coin locker, a garbage storage, It can be used as a storage such as a container, a trunk room, a clog box, a refrigerated storage, a food storage, and a cleaning tool storage.
[Brief description of the drawings]
FIG. 1 is a perspective view of an embodiment of a changing locker equipped with a U-shaped tube type ultraviolet lamp, with a canopy portion partially cut away.
FIG. 2 is a diagram showing the relationship between the arrangement of U-shaped ultraviolet lamps and the flow of ozone in the canopy part of the dressing locker.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Locker locker 2 Housing | casing 3 Storage chamber 3a Partition 4 Opening / closing door 5 Partition plate 6 Upper space 7 Vent hole 8 Canopy 9a Right side wall 9b Left side wall 9c Front wall 10 Airflow generator 11 U-shaped ultraviolet ray 12 Control board 13 Isolation compartment 14 Control box 14a Mounting screw hole 15 Shading plate 16 Limit switch 18 Operation indicator lamp 25 Discharge tube 25a Anode side 25b Cathode side 26 Plug 27 Anode terminal 28 Cathode terminal

Claims (4)

少なくとも253.7nm と184.9nmのスペクトル線を放射するU字管型紫外線ランプにおいて、前記紫外線ランプの陽極端末の直径をD、陰極端末の直径をdとするとき、d/D が 0.3〜0.7 であり、ランプの陽極側からランプの陰極側に気流を発生する紫外線ランプが内部に配設されてなることを特徴とする殺菌機能と消臭機能を有する収納庫。In a U-shaped ultraviolet lamp that emits spectral lines of at least 253.7 nm and 184.9 nm, when the diameter of the anode terminal of the ultraviolet lamp is D and the diameter of the cathode terminal is d, d / D is 0.3 to 0.7. A storage box having a sterilizing function and a deodorizing function, wherein an ultraviolet lamp that generates an air flow from the anode side of the lamp to the cathode side of the lamp is disposed inside. 紫外線ランプは、ランプの陽極と陰極を含む平面が実質的に水平となるように収納庫内に設けることを特徴とする請求項1の殺菌機能と消臭機能を有する収納庫。The container having a sterilizing function and a deodorizing function according to claim 1, wherein the ultraviolet lamp is provided in the container so that a plane including the anode and the cathode of the lamp is substantially horizontal. 紫外線ランプは、陽極と陰極を含む平面が水平面を形成して陽極側が収納室の壁側に近くなるように設けることを特徴とする請求項1又は2の殺菌機能と消臭機能を有する収納庫。The ultraviolet ray lamp is provided so that the plane including the anode and the cathode forms a horizontal plane and the anode side is close to the wall side of the storage chamber. . 収納庫が、医療現場や無菌室向けの更衣ロッカー、一般衣料用ロッカー、コインロッカー、生ゴミ収納庫、コンテナ、トランクルーム、下駄箱、冷蔵保管庫、食品貯蔵庫又は清掃用具保管庫であることを特徴とする請求項1〜3のいずれかに記載の殺菌機能と消臭機能を有する収納庫。The storage is a changing locker for medical sites or aseptic rooms, a locker for general clothing, a coin locker, a garbage storage, a container, a trunk room, a clog box, a refrigerated storage, a food storage, or a cleaning tool storage The storage which has the disinfection function and deodorizing function in any one of Claims 1-3 to do.
JP2001284431A 2001-09-19 2001-09-19 Storage with sterilizing and deodorizing functions Expired - Fee Related JP3740044B2 (en)

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KR101010315B1 (en) 2008-05-12 2011-01-25 박철수 Environmentally friendly functional sanitary trash box with odor decomposition removal function
CN107441542A (en) * 2017-09-22 2017-12-08 何小霞 A kind of multi-functional kitchen cabinet ozone purification device
US10458047B2 (en) * 2018-01-22 2019-10-29 Novetex Textiles Limited System and method for recycling fibers from textiles waste
CN110811168A (en) * 2019-11-26 2020-02-21 徐州堂堂木业有限公司 Intelligent shoe cabinet with sterilization and deodorization functions
CN113877915A (en) * 2021-09-03 2022-01-04 同济大学 A kind of integrated device for disinfection and deodorization of domestic garbage room
CN114794760B (en) * 2022-03-30 2024-06-25 厦门富桂通科技有限公司 Cabinet is accomodate to intelligence storing
CN114955318B (en) * 2022-04-14 2024-08-16 福建纳仕达电子股份有限公司 Circuit control method for induction trash can with cold cathode ultraviolet lamp for deodorization
JP2023166056A (en) * 2022-05-09 2023-11-21 株式会社バンブーケミカル研究所 clothing locker

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