JPH1110143A - Liquid UV sterilizer - Google Patents

Abstract

(57) [Summary] An object of the present invention is to provide an ultraviolet sterilizer capable of effectively sterilizing bacteria in water and reducing the proliferation of bacteria. A jacket for ultraviolet transmission having an ultraviolet light source mounted therein is mounted inside a storage body, and a liquid to be treated is passed between the jacket and the storage body. Further, the storage body is constituted by a cover body 12 made of a resin material and a light-shielding body 13 formed close to the inside of the cover body,
The liquid is prevented from entering between the cover and the light shielding body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a liquid ultraviolet sterilizer.

[0002]

2. Description of the Related Art In recent years, in a so-called 24-hour bath or the like, an ultraviolet light source mounted inside a jacket is disposed inside a bath tub in order to sterilize various bacteria that grow inside the bath tub. Sterilization of Regineola, Escherichia coli, general bacteria, and the like is partially performed. A commonly practiced ultraviolet sterilizer is, for example, as shown in FIG.
A light-shielding body 2 made of a stainless steel material is mounted inside a cylindrical housing 1 made of a resin material, and a jacket made of quartz glass is formed inside the light-shielding body 2. 3 and 5.5 mm inside the jacket 3.
An ultraviolet sterilizing lamp 4 of about watts is mounted. In a general 24-hour bath, a filter is arranged outside the bathtub, a heating unit is connected to the filter, and a heating tank is further connected to the heating unit. The hot water is circulated by a pump between the heating unit and the filtration tank. More recently, an ultraviolet sterilizer has been placed between a filtration tank and a bath to sterilize Regineola bacteria, Escherichia coli, general bacteria, and the like.

[0003]

However, according to the liquid ultraviolet sterilizer described above, since the light-shielding body is interposed between the housing and the ultraviolet lamp, the housing made of a resin material is deteriorated by ultraviolet rays. Since the housing is made of a resin material, processing is easy. However, since the liquid flows between the housing and the light shield, the untreated liquid that is not irradiated with the ultraviolet light circulates, and when the temperature of the hot water in the bathtub reaches about 40 ° C., the space between the storage and the light shield is reduced. There is a drawback that bacteria can be propagated more easily than liquid.

The present invention has been made in view of the above points, and provides a liquid ultraviolet sterilizer capable of effectively sterilizing various bacteria and preventing the growth of bacteria. With the goal.

[0005]

Means for Solving the Problems In order to solve the above problems, the invention described in claim 1 has the following configuration. In other words, the present invention relates to a liquid ultraviolet sterilizer in which a jacket for ultraviolet transmission having an ultraviolet light source mounted therein is mounted inside a housing, and a liquid to be processed passes between the jacket and the housing. The housing is composed of a cover made of a resin material and a light-shielding body closely formed inside the cover. Then, the liquid is prevented from entering between the cover and the light-shielding body, thereby effectively sterilizing various bacteria and further reducing the propagation of various bacteria.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to FIGS. In FIG. 1, reference numeral 11 denotes a housing constituting a liquid ultraviolet sterilizer, a cover 12 formed of a resin material in a cylindrical shape, and a light-shielding member disposed in close contact with the inside of the cover 12. And a body 13. The cover 12 is configured to have a diameter of, for example, about 45φ. The light shield 13 is made of, for example, stainless steel. Cover 12 and light shield 13
In order to closely contact each other, the light-shielding body 13 is set in an injection molding die, and a resin is injected into the outer peripheral surface thereof to perform molding. After that, the cover taken out is shrunk by the resin, so that the cover 12
3 is close. Reference numeral 14 denotes an ultraviolet light source.
It is configured using a 5 watt cold cathode low pressure discharge lamp. Reference numeral 15 denotes a jacket for transmitting the ultraviolet light, which accommodates the ultraviolet lamp 14, and has a size of about 20.6φ.

Reference numeral 16 denotes a holder for supporting one end of the housing 11 and the jacket 15, and is made of, for example, a resin material. Reference numeral 17 denotes a pouring hole formed in a part of the wall surface of the holder 17, and reference numeral 18 denotes a holder that supports the other end of the housing 11 and the jacket 15, and is made of, for example, a resin material.
Reference numeral 19 denotes a plurality of protrusions integrally formed toward the inside of the holder 18 and is configured to support one end of the jacket 15. Reference numeral 20 denotes an injection hole formed on a side surface of the holder 18. A cover 21 covers one end of the holder, and is made of, for example, a resin material.

Next, another embodiment will be described with reference to FIG.
As shown in the drawing, the housing 11 is formed in a rectangular box shape having an open upper surface, and the housing of the rectangular box is formed of a resin material in a cylindrical shape. And a light-shielding body 23 closely arranged inside. The same body 2
2 is, for example, 24.5 cm in length, 5.0 cm in width, and 7.5 in height.
cm. The light shield 23 is made of, for example, stainless steel. Numeral 24 denotes a lid formed in a plate shape, which is formed by closely contacting a light shielding plate with an inner surface of a cover made of a resin material. The other configurations of the jacket and the ultraviolet light source are the same as those shown in FIG.

Next, the above liquid ultraviolet sterilizer is used for 24 hours.
The operation when incorporated in a time bath will be described. A liquid UV sterilizer is placed in the bath water circulation system for 24 hours, for example, in the last step, and when the ultraviolet light source is turned on, the circulating hot water is irradiated with ultraviolet rays,
Escherichia coli and general bacteria are killed. Also, no hot water enters between the housing and the light-shielding body, and the entire circulating hot water is irradiated with ultraviolet rays, so that the sterilizing effect is high. In addition, since hot water does not enter between the housing for the ultraviolet light source and the light shielding body, bacteria do not propagate. The ultraviolet light source is normally turned on for 24 hours.

[0010]

According to the present invention described above, in the interior of the ultraviolet sterilizer, the hot water is irradiated with ultraviolet rays, and the liquid to be treated has a high sterilizing effect, and the Regineola bacteria, Escherichia coli, general bacteria, etc. are effectively sterilized. Has a special effect. There is also a special effect that can prevent the growth of bacteria.

[Brief description of the drawings]

FIG. 1 is a sectional view of a liquid ultraviolet sterilizer according to the present invention.

FIG. 2 is an external view of the liquid ultraviolet sterilizer of FIG. 1;

FIG. 3 is a partially exploded perspective view of another liquid ultraviolet sterilizer according to the present invention.

FIG. 4 is a sectional view of a conventional liquid ultraviolet sterilizer.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Storage body 12 Cover 13 Light shield 14 Ultraviolet light source 15 Jacket 16 Holder 17 Discharge hole 18 Holder 19 Projection part 20 Injection hole 21 Lid 22 Cover 23 Light shield 24 Lid

Claims (1)

[Claims] 1. A liquid ultraviolet sterilizer for mounting a UV-transmissive jacket having an ultraviolet light source mounted inside the container and allowing a liquid to be processed to pass between the jacket and the container. Is characterized by comprising a cover made of a resin material and a light shield formed in close contact with the inside of the cover, so that no liquid enters between the cover and the light shield. UV sterilizer for liquids.