JPH02198685A - Sterilizing device for water storage tank - Google Patents
Sterilizing device for water storage tankInfo
- Publication number
- JPH02198685A JPH02198685A JP1872989A JP1872989A JPH02198685A JP H02198685 A JPH02198685 A JP H02198685A JP 1872989 A JP1872989 A JP 1872989A JP 1872989 A JP1872989 A JP 1872989A JP H02198685 A JPH02198685 A JP H02198685A
- Authority
- JP
- Japan
- Prior art keywords
- irradiated
- tank
- ultraviolet
- outflow
- closing means
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 230000001954 sterilising effect Effects 0.000 title abstract description 5
- 239000012780 transparent material Substances 0.000 claims description 9
- 238000011109 contamination Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 4
- 230000002070 germicidal effect Effects 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、紫外線発生手段からの紫外線を照射される
水を貯留する貯水タンク殺菌装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a water storage tank sterilizer that stores water that is irradiated with ultraviolet rays from an ultraviolet generating means.
この発明は、紫外線発生手段と、この紫外線発生手段か
らの紫外線を照射される水を貯留する貯水タンク殺菌装
置において、タンクの底部にタンクの内部を照射してい
る紫外線で照射されるように流出開閉手段を設け、この
流出開閉手段が紫外線透過性材料から成るようにするこ
とにより、少なくとも流出開閉手段内部が空気等で汚染
されるのを防止するようにしたものである。This invention provides an ultraviolet ray generating means and a water storage tank sterilizer for storing water irradiated with ultraviolet rays from the ultraviolet ray generating means, in which the bottom of the tank is irradiated with the ultraviolet rays irradiating the inside of the tank. By providing an opening/closing means and making the outflow opening/closing means made of an ultraviolet-transparent material, at least the inside of the outflow opening/closing means is prevented from being contaminated with air or the like.
〔従来の技術］
従来の紫外線照射による冷水等の貯水タンク殺菌装置は
、例えば第３図に示すように、直立するステンレス製タ
ンク（１）の下部及び上部に夫々被処理水の流入口（２
）及び流出口（３）を設けるとともに、タンク（１）内
に例えば石英ガラスのような紫外線透過材より成る内管
（４）を設け、この内管（４）内に配置された紫外線殺
菌灯（５）からの紫外線をタンク（１）と内管（４）と
の間の流路（６）にある水を照射するようにしている。[Prior Art] A conventional water storage tank sterilizer for cold water, etc., using ultraviolet irradiation, for example, as shown in FIG.
) and an outlet (3), and an inner tube (4) made of an ultraviolet transmitting material such as quartz glass is provided inside the tank (1), and an ultraviolet germicidal lamp is placed inside the inner tube (4). The water in the flow path (6) between the tank (1) and the inner pipe (4) is irradiated with ultraviolet light from (5).
また、流出口（３）に例えばバルブ（１４）を設け、そ
の開閉を制御している。Further, a valve (14), for example, is provided at the outflow port (3), and its opening and closing are controlled.
（発明が解決しようとする課題〕
ところが、第３図の如き従来装置の場合、流出口（３）
付近及びバルブ（１４）の内部は紫外線照射を受けない
ため、大気中の細菌が付着し汚染されるという欠点があ
る。(Problem to be solved by the invention) However, in the case of the conventional device as shown in Fig. 3, the outlet (3)
Since the vicinity and the inside of the bulb (14) are not exposed to ultraviolet rays, there is a drawback that bacteria in the atmosphere can adhere and become contaminated.
この流出口（３）の汚染を防止するために、紫外線殺菌
灯（５）の他に流出口（３）付近にも紫外線殺菌を設け
たものが知られているが、この場合紫外線殺菌灯を複数
個用いるので、それだけ装置が複雑で高価となり、しか
もバルブ（１４）の内部まで紫外線照射するのは困難で
、依然として大気中の細菌の付着により汚染される欠点
がある。In order to prevent contamination of this outlet (3), it is known that an ultraviolet sterilizer is installed near the outlet (3) in addition to the ultraviolet sterilizer lamp (5). Since a plurality of bulbs are used, the device becomes complicated and expensive, and it is difficult to irradiate the inside of the bulb (14) with ultraviolet rays, which still has the disadvantage of being contaminated by adhesion of bacteria in the atmosphere.
この発明は斯る点に鑑みてなされたもので、流出口付近
は勿論バルブの内部までも紫外線を照射して汚染防止で
きると共に廉価な貯水タンク殺菌装置を提供するもので
ある。The present invention has been made in view of these points, and provides an inexpensive water storage tank sterilizer that can prevent contamination by irradiating ultraviolet rays not only near the outlet but also inside the valve.
〔課題を解決するための手段］
この発明は、紫外線発生手段（５）と、この紫外線発生
手段（５）からの紫外線を照射される水を貯留するタン
ク（１）とを具備する貯水タンク殺菌装置において、タ
ンク（］）の底部にタンク（１）の内部を照射している
紫外線で照射されるように流出開閉手段（１５）を設け
、この流出開閉手段（１５）が紫外線透過性材料から成
るように構成している。[Means for Solving the Problems] The present invention provides a water storage tank sterilizer comprising an ultraviolet ray generating means (5) and a tank (1) for storing water irradiated with ultraviolet rays from the ultraviolet ray generating means (5). In the device, an outflow opening/closing means (15) is provided at the bottom of the tank ( ) so that the inside of the tank (1) is irradiated with ultraviolet rays, and this outflow opening/closing means (15) is made of an ultraviolet-transparent material. It is configured so that
紫外線透過性材料から成る流出開閉手段（１５）をタン
ク（］）の底部にタンク（１）の照射している紫外線で
照射されるように設ける。これにより流出開閉手段（１
５）の内部まで隈な（紫外線で照射され、汚染すること
がない。An outflow opening/closing means (15) made of an ultraviolet-transparent material is provided at the bottom of the tank ( ) so as to be irradiated with the ultraviolet light irradiated by the tank (1). This allows the outflow opening/closing means (1
5) Even the inside of the device is irradiated with ultraviolet rays, so there is no contamination.
以下、この発明の諸実施例を第１図及び第２図に基づい
て詳しく説明する。なお、第１図及び第２図において、
第３図と対応する分には同一符号を付してその重複説明
を省略する。Embodiments of the present invention will be described in detail below with reference to FIGS. 1 and 2. In addition, in FIGS. 1 and 2,
Components corresponding to those in FIG. 3 are given the same reference numerals, and redundant explanation thereof will be omitted.
第１図はこの発明の第１実施例を示すもので、同図にお
いて、タンク（１）の底板（７）を貫いて流出導管（８
）がタンク内に挿入され、その上端（９）は流入口（２
）よりも高い位置にあって溢水口となる。導管（８）の
下部（１０）はタンク（１）外に露出しており、その下
端は流出口（１１）となる。底板（７）及び流出導管（
８）はともに、例えば石英ガラスのような、紫外線透過
性の材料で作られる。また、内管（４）はタンク（１）
の外壁を貫いて付けられ、その中に紫外線殺菌灯（５）
が配置される。なお、タンク（１）と内管（４）、タン
ク（１）と底板（７）並びに底板（７）と流出導管（８
）の接合部は適宜の水密構造となっている。また、流出
導管（８）の下部（１０）に、例えば石英ガラスのよう
な、紫外線透過性の材料から成る例えばバルブやコック
等の流出開閉手段（１５）を設ける。FIG. 1 shows a first embodiment of the present invention, in which an outflow conduit (8) passes through the bottom plate (7) of the tank (1).
) is inserted into the tank, and its upper end (9) is connected to the inlet (2
) and serves as an overflow outlet. The lower part (10) of the conduit (8) is exposed outside the tank (1), and its lower end serves as an outlet (11). Bottom plate (7) and outflow conduit (
8) are both made of UV-transparent material, such as quartz glass. In addition, the inner pipe (4) is the tank (1)
It is attached through the outer wall of the building, and there is an ultraviolet germicidal lamp (5) inside.
is placed. In addition, the tank (1) and the inner pipe (4), the tank (1) and the bottom plate (7), and the bottom plate (7) and the outflow pipe (8)
) has an appropriate watertight structure. The lower part (10) of the outflow conduit (8) is also provided with an outflow opening/closing means (15), for example a valve or a cock, made of a UV-transparent material, for example quartz glass.
このような構成によれば、被処理水は流入口（２）から
流入し、タンク（１）内に貯留されると同時に殺菌灯（
５）からの紫外線を照射されて殺菌水となり、水面が溢
水口（９）を超えると流出導管（８）を通ってその下端
の流出口（１１）から装置外に取出される。According to such a configuration, the water to be treated flows in from the inlet (2), is stored in the tank (1), and at the same time is lit by the germicidal lamp (
The water is sterilized by being irradiated with ultraviolet light from 5), and when the water surface exceeds the overflow port (9), it passes through the outflow conduit (8) and is taken out of the device from the outflow port (11) at its lower end.
また、大気中に露出した流出導管（８）の下部（１０）
及び流出口（１１）は、殺菌灯（５）から底板（７）ま
たは導管（８）を透過した紫外線で隈なく照射されてい
るので、たとえ細菌が付着しても殺菌されてしまい、流
出口が汚染されることはない。Also, the lower part (10) of the outflow conduit (8) exposed to the atmosphere
The outflow port (11) is thoroughly irradiated with ultraviolet light transmitted from the germicidal lamp (5) through the bottom plate (7) or the conduit (8), so even if bacteria adhere to it, it will be sterilized and the outflow port will be sterilized. will not be contaminated.
更に流出開閉手段（１５）は紫外線透過性材料から成る
ので、同時に殺菌灯（５）から底板（力または導管（８
）を透過した紫外線で内部まで隈なく照射されているの
で、たとえ細菌が付着しても殺菌されてしまい流出開閉
手段（１５）自体及びその内部が汚染されることはない
。Furthermore, the outflow opening/closing means (15) is made of an ultraviolet-transparent material, so that at the same time there is no connection between the germicidal lamp (5) and the bottom plate (force or conduit (8).
) is irradiated all the way inside, so even if bacteria adhere, they will be sterilized and the outflow opening/closing means (15) itself and its interior will not be contaminated.
第２図はこの発明の第２実施例を示すもので、同図にお
いては、紫外線殺菌灯（５）をタンク（１）の上方に設
け、タンクの蓋板（１２）が紫外′ＮｆＡ透過性材料で
作られる。底板（７）及び流出導管（８）は上述の実施
例と同じ構成であり、また流出開閉手段（１５）を設け
ることも同様である。FIG. 2 shows a second embodiment of the present invention, in which an ultraviolet sterilizing lamp (5) is provided above the tank (1), and the lid plate (12) of the tank is transparent to ultraviolet NfA. made of materials. The bottom plate (7) and the outflow conduit (8) are of the same construction as in the embodiment described above, and the provision of the outflow opening/closing means (15) is also similar.
本実施例において、流出導管（８）の下部（１０）、流
出口（１１）及び流出開閉手段（１５）は蓋板（１２）
及び底板（７）もしくは導管（８）を透過した紫外線で
隈なく照射されるので、流出口及び流出開閉手段の内部
を殺菌状態に保ち得ることは前述の実施例と同様である
。In this embodiment, the lower part (10) of the outflow conduit (8), the outflow port (11) and the outflow opening/closing means (15) are connected to the cover plate (12).
Since the entire area is irradiated with ultraviolet rays that have passed through the bottom plate (7) or the conduit (8), the inside of the outlet and the outlet opening/closing means can be kept in a sterile state, as in the previous embodiment.
なお、上述の両実施例に共通して、流出導管の下部（１
０）の周囲に適宜形状の反射鏡（図示せず）を配して、
流出口（１１）付近に紫外線を集中照射することができ
、また底Ｆｉ、（７）を適宜形状の曲面を持つ集光レン
ズとして、流出口及び下方の受水容器（１３）に対する
殺気作用を強化することができる。In addition, in common to both of the above-mentioned embodiments, the lower part (1
0), by placing an appropriately shaped reflecting mirror (not shown) around the
The vicinity of the outlet (11) can be irradiated with ultraviolet rays in a concentrated manner, and the bottom Fi (7) can be used as a condensing lens with an appropriately shaped curved surface to exert a killing effect on the outlet and the water receiving container (13) below. Can be strengthened.
また、−ト述の各実施例において、流出導管（８）のタ
ンク（１）内にある部分を削除し、下部（１０）のみと
した普通の貯水タンク形状としてもよく、この場合溢水
口（９）は実質的に底板（力の面と同一の所にあるので
空気が入りやすく内部が汚染されやすいが、上述の如く
流出開閉手段（１５）を介在することにより、斯る汚染
を防止することができる。Furthermore, in each of the above-mentioned embodiments, the part of the outflow conduit (8) inside the tank (1) may be deleted and the shape of a normal water storage tank may be changed to only the lower part (10). In this case, the overflow port ( Since the bottom plate (9) is substantially in the same place as the force surface, air easily enters and the inside is easily contaminated, but such contamination can be prevented by intervening the outflow opening/closing means (15) as described above. be able to.
また、流出開閉手段（１５）を使用しない夜間や休日に
はタンク（１）の下側に第１図に破線で示すように可視
光線透過性のキャップ（１６）を設けるようにしてもよ
い。これによりキャップ（１６）で覆った部分が全体に
殺菌され、７η染が防止される。また、第１図に破線で
示すように可視光線透過性のキャップ（１７）で流出口
（１１）の部分のみを覆うようにしてもよい。Further, at night or on holidays when the outflow opening/closing means (15) is not used, a visible light transparent cap (16) may be provided on the underside of the tank (1) as shown by the broken line in FIG. This sterilizes the entire area covered with the cap (16) and prevents 7η staining. Further, as shown by the broken line in FIG. 1, only the outlet (11) may be covered with a cap (17) that transmits visible light.
また、上述の各実施例では紫外線発生手段として紫外線
殺菌灯を用いた場合に付いて説明したが、紫外線を発生
するその他のもの例えば半導体レーザやＥＬ或いはＬＥ
Ｄを用いてもよい。更に蓋板（１２）、タンク（１）、
底板（７）を紫外線透過性材料で一体成形してもよい。Further, in each of the above embodiments, an ultraviolet germicidal lamp is used as the ultraviolet ray generating means, but other devices that generate ultraviolet rays, such as a semiconductor laser, EL, or LE, may be used.
D may also be used. Furthermore, a lid plate (12), a tank (1),
The bottom plate (7) may be integrally molded from a UV-transparent material.
また、底板（７）は全面が紫外線透過性でなくともよく
、少なくとも流出開閉手段（Ｉ５）の部分へ紫外線が透
過出来る範囲の広さであればよい。また、紫外線殺菌灯
（５）の位置は上述の位置に限定されず、少なくとも流
出開閉手段（１５）の部分を照射できる位置であれば任
意の位置でよい。Further, the entire surface of the bottom plate (7) does not need to be UV-transparent, as long as it is wide enough to allow UV-rays to pass through at least to the outflow opening/closing means (I5). Further, the position of the ultraviolet germicidal lamp (5) is not limited to the above-mentioned position, but may be any position as long as it can irradiate at least a portion of the outflow opening/closing means (15).
上述の如くこの発明によれば、紫外線発生手段からの紫
外線を照射される水と貯留するタンクの底部に紫外線透
過性材料から成る流出開閉手段を設け、タンクの内部を
照射している紫外線で照射されるようにしたので、少な
くとも流出開閉手段自体及びその内部まで照射され、全
体として装置を衛生的な状態に保持できる。As described above, according to the present invention, an outflow opening/closing means made of an ultraviolet-transparent material is provided at the bottom of the tank that stores water that is irradiated with ultraviolet rays from the ultraviolet ray generating means, and the inside of the tank is irradiated with ultraviolet rays that are being irradiated. Therefore, at least the outflow opening/closing means itself and its interior are irradiated, and the apparatus as a whole can be maintained in a sanitary condition.
第１図はこの発明の一実施例を示す路線的断面図、第２
図はこの発明の他の実施例を示す路線的断面図、第３図
は従来の貯水タンク殺菌装置の一例を示す路線的断面図
である。
（１）はタンク、（５）は紫外線殺菌灯、（１５）は流
出開閉手段である。Fig. 1 is a cross-sectional view showing one embodiment of the present invention;
The figure is a cross-sectional view showing another embodiment of the present invention, and FIG. 3 is a cross-sectional view showing an example of a conventional water storage tank sterilizer. (1) is a tank, (5) is an ultraviolet germicidal lamp, and (15) is an outflow opening/closing means.
Claims (1)
射される水を貯留するタンクとを具備する貯水タンク殺
菌装置において、 上記タンクの底部に上記タンクの内部を照射している紫
外線で照射されるように流出開閉手段を設け、 該流出開閉手段が紫外線透過性材料から成ることを特徴
とする貯水タンク殺菌装置。[Scope of Claims] A water storage tank sterilizer comprising an ultraviolet ray generating means and a tank for storing water irradiated with ultraviolet rays from the ultraviolet ray generating means, wherein the bottom of the tank is irradiated with the inside of the tank. 1. A water storage tank sterilizer, characterized in that an outflow opening/closing means is provided so as to be irradiated with ultraviolet rays, and the outflow opening/closing means is made of an ultraviolet-transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1872989A JPH02198685A (en) | 1989-01-27 | 1989-01-27 | Sterilizing device for water storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1872989A JPH02198685A (en) | 1989-01-27 | 1989-01-27 | Sterilizing device for water storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02198685A true JPH02198685A (en) | 1990-08-07 |
Family
ID=11979756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1872989A Pending JPH02198685A (en) | 1989-01-27 | 1989-01-27 | Sterilizing device for water storage tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02198685A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010076815A (en) * | 2008-09-26 | 2010-04-08 | Noritz Corp | Water server |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6073173A (en) * | 1983-09-29 | 1985-04-25 | Houshin Kagaku Sangiyoushiyo:Kk | Valve device |
| JPS6325831A (en) * | 1986-07-17 | 1988-02-03 | Matsushita Electric Ind Co Ltd | Data deleting method for draw type optical disc |
-
1989
- 1989-01-27 JP JP1872989A patent/JPH02198685A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6073173A (en) * | 1983-09-29 | 1985-04-25 | Houshin Kagaku Sangiyoushiyo:Kk | Valve device |
| JPS6325831A (en) * | 1986-07-17 | 1988-02-03 | Matsushita Electric Ind Co Ltd | Data deleting method for draw type optical disc |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010076815A (en) * | 2008-09-26 | 2010-04-08 | Noritz Corp | Water server |
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