JPH07328661A - Sterilizing device - Google Patents

Abstract

PURPOSE:To make the germicidal purifying action of bath water more effective by UV rays. CONSTITUTION:An ozone generating UV lamp 4 is provided at the inside of a housing part 1 provided with a bath water inflow part 2 and a bath water sending part 3. The lamp 4 is waterproof-sealed, and a protecting tube 8 capable of transmitting the UV rays is provided. An aspirator 7 mixing bubbles into an influent bath water is provided at the bath water inflow part 2 or the housing part 1. A titanium oxide film is formed on the inside wall surface of the housing part 1, and the titanium oxide film can be irradiated with the UV rays generated at the ozone generating UV lamp 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sterilizing apparatus capable of further enhancing the effect of sterilizing and purifying bath water by ultraviolet rays.

[0002]

2. Description of the Related Art Conventionally, various apparatuses for sterilizing and purifying by irradiating circulating bath water with an ultraviolet sterilizing lamp have been developed. Most of them are equipped with an ozone-generating ultraviolet lamp in a housing that forms a circulating bath water flow path, injecting circulating bath water into the housing, and irradiating the bath water flowing through the flow path inside the housing with ultraviolet light. Then, the bath water is sterilized to purify the bath water.

Further, when sterilizing and purifying bath water, ozone is generated together with ultraviolet rays, so that perfection of bath water purification and reduction of purification time can be realized. To generate ozone, various ozone generators are installed side by side with a purifier, but the purifier requires an ozone generator other than an ozone generating ultraviolet lamp.

[0004]

Since ozone is generated together with ultraviolet rays when sterilizing and purifying bath water, the sterilizing and purifying is more effective. Therefore, an ozone generator is newly installed. That is, the apparatus itself becomes extremely expensive, and the structure of the purification apparatus itself becomes more complicated.

[0005]

Therefore, as a result of intensive studies to solve the above-mentioned problems, the inventor has found that the present invention provides ozone in the interior of a housing part provided with a bath water inflow portion and a bath water delivery portion. An aspirator which is provided with a generated ultraviolet lamp, is provided with a protective tube that waterproofly seals the ozone generated ultraviolet lamp, and is capable of transmitting ultraviolet rays, and mixes air bubbles into the bath water flowing into the bath water inflow section or the housing section. By using the sterilizing apparatus provided with, it is possible to sterilize and purify bath water while generating ozone with an extremely simple structure.

[0006]

In the bath water inflow portion 2 or the housing portion 1 provided with the aspirator 7 for mixing the bubbles f, f, ... Into the bath water w flowing in, the ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4 are The bubbles f, f, ...
It is generated from the oxygen contained in it, and enhances the bactericidal effect (see FIGS. 2, 4 and 5). Further, the bath water w flows into the housing portion 1 from the bath water inflow portion 2, and the bath water w is an ultraviolet ray b emitted from an ozone generating ultraviolet lamp 4 provided inside the housing portion 1.
Sterilizes by passing through the bath water w, and ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4 irradiate the titanium oxide film 5 formed on the inner wall surface of the housing portion 1, and the titanium oxide film 5 emits the ultraviolet rays. The bath water w is sterilized in response to b (see FIG. 6). In the case where both the aspirator 7 and the titanium oxide film 5 are provided, sterilization by the titanium oxide film 5 and ozone sterilization action can be performed through the aspirator 7 (see FIGS. 8 and 9).

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, a bath water inflow portion 2 and a bath water delivery portion 3 are formed in a housing portion 1 of a sterilizer. There is. An ozone-generating ultraviolet lamp 4 is incorporated inside the housing 1, and the periphery of the ozone-generating ultraviolet lamp 4 serves as a flow path for the bath water w (see FIGS. 2 and 3). The ozone-generating ultraviolet lamp 4
The generated ultraviolet rays b and oxygen in the air can be combined to generate ozone.

[0008] As a concrete example of the housing part 1,
It has a cylindrical shape, and the ozone generating ultraviolet lamp 4 is attached to the center thereof. The ozone-generating ultraviolet lamp 4
As shown in FIG. 1, it is U-shaped and is connected to the inner surface side of one end of the housing part 1. Further, as another embodiment of the ozone generating ultraviolet lamp 4, as shown in FIG.
A straight rod type may also be used. The linear rod type ozone generating ultraviolet lamp 4 is connected to both ends of the housing 1.

A protection tube 8 is provided around the ozone generating ultraviolet lamp 4 as shown in FIGS. 1, 16 and 17, and the ozone generating ultraviolet lamp 4 is completely sealed by the protection tube 8. The structure is such that it does not come into direct contact with the bath water w flowing into the housing portion 1. The protective tube 8 is specifically cylindrical, and a glass tube, a quartz tube or the like is used. There is also an example in which the ozone generating ultraviolet lamp 4 is of a columnar type, and it is arranged along the vertical direction (or the horizontal direction) of the housing part 1. Further, as shown in FIG. 16, there are an embodiment in which one ozone generating ultraviolet lamp 4 is provided inside the housing portion 1 and an embodiment in which a plurality of ozone lamps 4 are provided as shown in FIG.

Next, the sterilizing apparatus of the present invention is provided with an aspirator 7, which blows air bubbles f, f, ... Into the bath water w flowing into the housing portion 1 to mix them. Yes (see FIGS. 2 and 4). Oxygen is contained in the bubbles f, f, ..., The ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4 mounted in the housing portion 1 generate ozone as shown in FIG. The sterilizing effect of w will be exhibited. The aspirator 7
Specifically, it is composed of an air pump 7a and a solenoid valve 7b, and a bath water inflow portion 2 (not shown) or a housing portion 1 is provided.
(See FIGS. 1 and 2).

In the embodiment in which the aspirator 7 is provided in the bath water inflow section 2, bubbles f, f, ... Are already mixed in the bath water w flowing into the housing section 1. Further, in the embodiment in which the aspirator 7 is provided on the housing portion 1 side, the bubbles f, f, ... Are mixed in the bath water w after the bath water w flows into the housing portion 1. In any of the examples, the bubbles f, f, ... Mixed in the bath water w become the ozone in the bubbles f due to the ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4.
Along with the sterilizing power of only the ultraviolet rays b, ozone generated in the bubbles f, f, ... Synergistically enhances the sterilizing power.

Next, titanium oxide (Ti) is formed on the inner wall of the housing 1.
There is an example in which O ₂ ) is applied in a film form on the inner wall of the housing part 1, and the titanium oxide film 5 is formed by the titanium oxide (see FIGS. 6 and 7). When the titanium oxide film 5 is irradiated with light, light energy is generated, and the titanium oxide film 5 exhibits a sterilizing ability (see FIG. 8). That is, when the titanium oxide film 5 is exposed to the ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4 provided inside the housing part 1, the titanium oxide film 5 has a sterilizing effect, and
The sterilizing action of the ultraviolet ray b itself emitted from the ozone generating ultraviolet ray lamp 4 also works at substantially the same time. Further, there is an example in which the titanium oxide film 5 and the aspirator 7 are respectively provided. In this example, in addition to the sterilizing action of the ultraviolet rays b and the titanium oxide film 5, a sterilizing effect of ozone is also added (FIG. 9). reference).

Further, a condenser 6 may be used for concentrating the ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4 mounted inside the housing 1 at one point. As an example of the light condensing body 6, as shown in FIG. 10, a mirror surface portion 6a formed in a concave spherical surface is used, and an ozone generating ultraviolet lamp 4 is provided on the front surface side of the mirror surface portion 6a. The ultraviolet light b emitted from the generated ultraviolet light 4 is reflected on the mirror surface portion 6a, and the condensed ultraviolet light b is concentrated on a predetermined point of the bath water w passing through the housing portion 1 as shown in FIG. It becomes a state and exerts a strong bactericidal effect at that one point.

Further, as another embodiment of the condenser 6, as shown in FIG. 12, there is also an embodiment using a convex condenser lens 6b, and the condenser lens 6b is sterilized with the bath water w. Bath water w provided between the location and the ozone generating ultraviolet lamp 4 and the ultraviolet rays b collected as described above pass through the inside of the housing portion 1.
Is concentrated on a predetermined one point, and a strong bactericidal effect is exhibited at that one point (see FIG. 13).

Further, the condensing body 6 is replaced with the condensing lens 6b.
In such a case, there is an embodiment in which the protection tube 8 is integrally formed. In the embodiment, as shown in FIG.
Formed at a predetermined interval in the longitudinal direction of the protective tube 8,
Alternatively, as shown in FIG. 15, the protective tube 8 has a cup shape, and a plurality of condenser lenses 6b, 6b, ...
There is an example in which the bottom portion of the protective tube 8 having the above-mentioned shape is formed as the cup-shaped condenser lens 6b. By forming the condenser lens 6b in the protective tube 8 constantly in this manner, a supporting member required in the case of the condenser lens 6b which is a separate material is unnecessary, and therefore the structure can be simplified.

There is also an embodiment in which the titanium oxide film 5 formed on the inner wall of the housing 1 is irradiated with the ultraviolet light b emitted from the ozone generating ultraviolet lamp 4 using the light collector 6, and in this embodiment, By irradiating the titanium oxide film 5 with the collected ultraviolet rays b, the bactericidal effect of the titanium oxide film 5 is enhanced.

The sterilizing apparatus of the present invention is installed inside the bath water purifying apparatus D, and the bath water purifying apparatus D is a box type, and its schematic view is shown in FIGS. 18 and 19. Inside the filter 15, the circulation pump 16 and the heater 1
7, a water level sensor 18, etc. are provided, and the filtering unit 1
5, circulation pump 16 and heater 17 and water level sensor 1
8 are connected by a series of circulation pipes 19. The sterilizing device is provided on the suction unit 20 side of the bath water w prior to the filtering unit 15, the circulation pump 16, the heater 17, and the water level sensor 18. Further, one end of the circulation pipe 19 is a suction part 20 and the other end is a discharge part 21. Then, the bath water w is sucked in from the suction part 20, and first, the bath water w is sterilized by the sterilizer.
Is sterilized and filtered inside, and the bath water w is ejected from the discharge part 21 through the circulation pipe 19.

[0018]

According to the first aspect of the present invention, the ozone-generating ultraviolet lamp 4 is provided inside the housing 1 having the bath-water inflow portion 2 and the bath-water sending portion 3, and the ozone-generating ultraviolet lamp 4 is provided around the ozone-generating ultraviolet lamp 4. The ozone generating ultraviolet lamp 4 is sealed in a waterproof manner, and a protective tube 8 that allows ultraviolet rays b to pass through is provided, and the bath water inflow portion 2 is provided.
Alternatively, a sterilizing device is provided in the housing portion 1 by providing an aspirator 7 for mixing bubbles f, f, ... Into the inflowing bath water w. It can be easily generated, and a stronger sterilizing power can be obtained.
Can be durable.

The above effects will be described in detail. An aspirator 7 is provided in the bath water inflow portion 2 or the housing portion 1, and the bath water w flowing into the housing portion 1 has bubbles f, f emitted from the aspirator 7 therein. , Are mixed in, and the bubbles f, f, ... Contain oxygen inside, so that the ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4 provided inside the housing portion 1 are the bubbles f, f ,. And is combined with oxygen contained inside to generate ozone (see FIGS. 4 and 5). Therefore, even if the ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4 are attenuated by the protective tube 8, the ultraviolet rays b irradiate the bubbles f, f, ... With ozone, and the bubbles f, f ,. Can be moved uniformly, and a strong sterilizing power can be realized.

As described above, according to the present invention, since the ozone generating ultraviolet lamp 4 and the aspirator 7 are provided, ozone can be generated in the housing 1 relatively easily, and the aspirator 7 is also provided. Air pump 7a and solenoid valve 7b for controlling the inflow and outflow of air from the air pump 7a
The present invention does not require a new ozone generator or the like to be incorporated in the sterilizer, and has an extremely simple structure, which can be provided at a low price.

Further, the ozone-generating ultraviolet lamp 4 has its periphery sealed by a protective tube 8 in a waterproof manner, so that the ozone-generating ultraviolet lamp 4 is not exposed to the bath water w and has improved durability. is there. Further, there is an advantage that the ozone generating ultraviolet lamp 4 can be replaced very easily.

Next, in claim 2, an ozone-generating ultraviolet lamp 4 is provided inside the housing 1 provided with the bath-water inflow portion 2 and the bath-water sending portion 3, and the ozone-generating ultraviolet lamp 4 is surrounded by the ozone-generating ultraviolet lamp 4. The ozone-generating ultraviolet lamp 4 is waterproofly sealed, and the ultraviolet ray b
Is provided with a protective tube 8 and a titanium oxide film 5 is formed on the inner wall surface of the housing portion 1, and the titanium oxide film 5 can be irradiated with ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4. By using the sterilization device as
First, a good sterilizing power can be obtained, and secondly, the structure can be simplified.

The above effect will be described in detail. First, the titanium oxide film 5 is formed on the inner wall surface of the housing 1 provided with the ozone generating ultraviolet lamp 4.
When the titanium oxide film 5 is irradiated with the ultraviolet rays b emitted from the ozone-generating ultraviolet lamp 4, the titanium oxide film 5 exhibits a sterilizing ability by light energy. The ultraviolet rays b emitted from No. 4 synergistically enhance the bactericidal effect (see FIGS. 6 and 7).

In particular, the ozone-generating ultraviolet lamp 4 provided inside the housing portion 1 is protected by the protective tube 8 and protects the ozone-generating ultraviolet lamp 4 from the impact of the inflowing bath water w.
Further, even if the effect of the ultraviolet ray b is attenuated by the protective tube 8 at a position away from the ozone generating ultraviolet lamp 4, the titanium oxide film 5 is exposed to the ultraviolet ray b on the inner wall surface of the housing 1 located at a position away from the ozone generating ultraviolet lamp 4. Sterilization is performed by hitting. Furthermore, the titanium oxide film 5 can have an extremely simple structure only by applying titanium oxide to the inner wall surface of the housing portion 1.

Next, in claim 3, the bath water inflow portion 2
Also, an ozone generating ultraviolet lamp 4 is provided inside the housing portion 1 provided with the bath water sending part 3, and the ozone generating ultraviolet lamp 4 is watertightly sealed around the ozone generating ultraviolet lamp 4 and ultraviolet b A protective tube 8 that allows the passage of the
A titanium oxide film 5 is formed on the inner wall surface of the container, and the titanium oxide film 5 can be irradiated with ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4, and the bath water inflow portion 2 or the housing portion 1 is By using the sterilizing device in which the inflowing bath water w is provided with the aspirator 7 for mixing the bubbles f, f, ..., It is possible to obtain a plurality of types of sterilizing action inside the housing part 1, and a very high sterilizing ability. It is possible to have

That is, the sterilizing action of the ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4 provided inside the housing portion 1, the sterilizing action caused by irradiating the titanium oxide film 5 with the ultraviolet rays b, and the ultraviolet rays b by the aspirator 7. The ozone generated by irradiating the oxygen in the generated bubbles f, f, ... acts almost at the same time to sterilize the bath water w flowing into the housing part 1. Such a plurality of types of sterilizing action Thus, an extremely high sterilizing ability can be obtained (see FIGS. 8 and 9).

Next, in claim 4, the housing portion 1
A light collector 6 is provided in the vicinity of the installation location of the ozone-generating ultraviolet lamp 4 mounted inside the ozone-generating ultraviolet lamp 4.
By using the sterilizing device that collects the ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4, it is possible to strongly irradiate only a predetermined portion of the bath water w into which the ultraviolet rays b emitted from the ozone generating ultraviolet lamp 4 flow.

That is, since the ozone generating ultraviolet lamp 4 has a U-shape or a straight rod shape, and the ultraviolet rays b are radiated substantially uniformly, the bath water w flowing into the inside of the housing portion 1 is changed to the bath water inflow portion. It is possible to obtain a uniform bactericidal effect from 2 to the bath water sending part 3, but when a stronger bactericidal effect is desired, an ozone generating ultraviolet lamp 4 is provided by the light collector 6.
By concentrating all the ultraviolet rays b emitted from the one point or a specific place, an extremely strong sterilizing ability can be obtained at a specific position of the flow of the bath water w inside the housing part 1.

In the present invention, the condensing body 6 is a concave spherical mirror surface portion 6a so that the ultraviolet rays b from the ozone generating ultraviolet lamp 4 can be reflected and condensed on an appropriate portion of the titanium oxide film 5. With such a sterilizing device, the mirror surface portion 6a of the light collector 6 can linearly collect the ultraviolet rays b along the flow direction of the bath water w, and the light collection efficiency can be improved.

In the sixth aspect, the condenser 6 is a convex condenser lens 6b, and the ozone generating ultraviolet lamp 4 is used.
By using a sterilizer capable of condensing the ultraviolet rays b from the above into an appropriate place of the titanium oxide film 5, the condensing body 6 is a convex type condensing lens 6b. Concentrate, this is extremely strong titanium oxide film 5
It irradiates the surface of and shows an extremely high sterilizing ability. Further, by providing the condenser lens 6b, the sterilizing power of the ultraviolet rays b weakened by the protective tube 8 is reduced by the condenser lens 6b.
It is possible to prevent the sterilization efficiency from being deteriorated by being strengthened again by b.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view showing a type provided with an aspirator in the present invention.

FIG. 2 is a schematic diagram showing a state in which bath water flows into the housing portion and bubbles are sent from the aspirator to the bath water.

3 is a cross-sectional view of the main part of FIG.

FIG. 4 is a cross-sectional view of essential parts showing a state in which bath water flows in from the bath water inlet and bubbles are sent from the aspirator.

FIG. 5 is an action diagram showing a state in which oxygen in bubbles sent into bath water becomes ozone by ultraviolet rays.

FIG. 6 is a vertical cross-sectional side view of an example in which a titanium oxide film is provided in the housing part.

7 is a cross-sectional view of the main part of FIG.

FIG. 8 is a vertical sectional side view of an embodiment including an aspirator and a titanium oxide film according to the present invention.

FIG. 9 is an action diagram showing a state in which bubbles in the bath water react with ultraviolet rays to generate ozone, and the titanium oxide film is irradiated with ultraviolet rays to perform a bactericidal action.

FIG. 10 is a perspective view of an embodiment in which the light collector is a mirror surface portion.

FIG. 11 is a cross-sectional view of a housing portion of an example in which a mirror surface portion is used as a light collector.

FIG. 12 is a perspective view of an example in which a condenser is a condenser lens.

FIG. 13 is a cross-sectional view of a housing part of an example using a condenser as a condenser.

FIG. 14 is a cross-sectional view of an embodiment of the present invention including a protective tube integrally formed with a condenser lens.

FIG. 15 is a cross-sectional view of the present invention including a protective tube of another embodiment integrally formed with a condenser lens.

FIG. 16 is a vertical sectional side view of an embodiment in which one ozone-generating ultraviolet lamp is used in the present invention.

FIG. 17 is a vertical sectional side view of an embodiment in which two ozone-generating ultraviolet lamps are used in the present invention.

FIG. 18 is a perspective view showing a state where the bath water purifying apparatus is used in a bath.

FIG. 19 is a schematic view of a bath water purifier.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Housing part 2 ... Bath water inflow part 3 ... Bath water sending part 4 ... Ozone generating ultraviolet lamp 5 ... Titanium oxide film 6 ... Condenser 6a ... Mirror surface part 6b ... Condenser lens 7 ... Aspirator 8 ... Protective tube b … UV w… Bath water f… Bubbles

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical indication location C02F 1/50 531 R 540 A 550 B D 560 C (72) Inventor Shinichi Fukada Kyobashi, Chuo-ku, Tokyo 3-1-1 No. 1 Jamme Sewing Machine Co., Ltd.

Claims (6)

[Claims] 1. An ozone-generating ultraviolet lamp is provided inside a housing portion provided with a bath-water inflow portion and a bath-water sending portion, and the ozone-generating ultraviolet lamp is waterproofly sealed around the ozone-generating ultraviolet lamp. Also, a sterilizing apparatus is provided with a protection tube which allows ultraviolet rays to pass through, and an aspirator for mixing air bubbles in the inflowing bath water in the bath water inflow portion or the housing portion. 2. An ozone-generating ultraviolet lamp is provided inside a housing portion provided with a bath-water inflow portion and a bath-water sending portion, and the ozone-generating ultraviolet lamp is waterproofly sealed around the ozone-generating ultraviolet lamp. Further, a protective tube that allows transmission of ultraviolet rays is provided, and a titanium oxide film is formed on the inner wall surface of the housing portion, and the titanium oxide film can be irradiated with ultraviolet rays emitted from the ozone generating ultraviolet lamp. A sterilizing device. 3. An ozone-generating ultraviolet lamp is provided inside a housing portion provided with a bath-water inflow portion and a bath-water sending portion, and the ozone-generating ultraviolet lamp is waterproofly sealed around the ozone-generating ultraviolet lamp. In addition, a protective tube that is transparent to ultraviolet rays is provided, and a titanium oxide film is formed on the inner wall surface of the housing portion, and the titanium oxide film can be irradiated with ultraviolet rays emitted from the ozone generating ultraviolet lamp. A sterilizer characterized in that an aspirator for mixing air bubbles into the inflowing bath water is provided in the bath water inflow portion or the housing portion. 4. The condensing body according to claim 1, 2 or 3, wherein a light collecting body is provided in the vicinity of an installation location of the ozone generating ultraviolet lamp mounted in the housing, and the condensing body emits light from the ozone generating ultraviolet lamp. A sterilizer characterized by concentrating the ultraviolet rays generated. 5. The condensing body according to claim 4, wherein the condensing body is a concave spherical mirror surface portion, and the ultraviolet rays from the ozone generating ultraviolet lamp can be reflected to be condensed on an appropriate portion of the titanium oxide film. Sterilizer. 6. The condensing body according to claim 4, wherein the condensing body is a convex type condensing lens, and the ultraviolet rays from the ozone generating ultraviolet lamp can be condensed on an appropriate portion of the titanium oxide film. Sterilizer.