JP2007023683A - Antifouling channel, and western style toilet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an antifouling channel which has a simpler structure, and yet exerts an antifouling effect more effectively. <P>SOLUTION: A trap 20 serving as the antifouling channel includes a translucent part 21, and a UV-LED 22 working as an ultraviolet light source. The translucent part 21 is made of a translucent material capable of transmitting UV-rays, has an inner peripheral surface 21a capable of emitting UV-rays, and is formed into an S-shaped curved channel through which drainage flows downstream. The UV-LED 22 is formed to be integral to the translucent part 21, and is capable of emitting UV-rays onto the inside of the translucent part 21. The inner peripheral surface 21a of the translucent part 21 is coated with an antifouling layer 21c that is capable of transmitting UV-rays and contains a photocatalyst. The outer peripheral surface of the translucent part 21, on the other hand, is coated with a reflection layer 21b that reflects UV-rays. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an antifouling flow path body and a Western-style toilet.

  A conventional antifouling flow path body is disclosed in FIG. This antifouling flow path body is a trap provided in the washbasin. This trap is provided inside an S-shaped curved flow path for draining water downstream from the drain of the basin, and inside the curved portion of the flow path, and irradiates the inner peripheral surface of the flow path with ultraviolet rays. With a possible ultraviolet light source.

  In the conventional antifouling flow path body having such a configuration, the ultraviolet light from the ultraviolet light source is irradiated while spreading around and hits the inner peripheral surface of the flow path. For this reason, on the inner peripheral surface of the flow path irradiated with ultraviolet rays, propagation of various germs is suppressed by the sterilizing action of the ultraviolet rays. Thus, the antifouling flow path body can exhibit an antifouling action on the flow path and the gas or liquid in the flow path.

JP 2001-112855 A

  However, in the conventional antifouling flow path body, depending on the installation location of the ultraviolet light source, a place where the ultraviolet light hits the inner peripheral surface of the flow path well and a place where it does not hit much can be made. There was a big difference depending on the place. In order to solve such a situation, for example, many ultraviolet light sources must be installed, and it is difficult to simplify the structure of the antifouling flow path body.

  The present invention has been made in view of the above-described conventional situation, and solves the problem of providing an antifouling flow path body that can more effectively exhibit an antifouling action while simplifying the structure. It is an issue that should be done.

The antifouling flow path body of the present invention is formed of a translucent material capable of transmitting ultraviolet rays, and has a translucent portion whose inner peripheral surface is capable of emitting the ultraviolet rays and is a flow path for flowing gas or liquid. ,
And an ultraviolet light source provided integrally with the light transmitting portion and capable of entering the ultraviolet light into the light transmitting portion.

  In the antifouling flow path body of the present invention having such a configuration, the ultraviolet light incident on the light transmitting part from the ultraviolet light source provided integrally with the light transmitting part travels while spreading in the light transmitting part, and the light transmitting part The light is emitted from a wide range of the inner peripheral surface. For this reason, on the inner peripheral surface from which ultraviolet rays are emitted, the proliferation of germs is suppressed by the sterilizing action of the ultraviolet rays. As a result, the antifouling flow path body has a more effective antifouling effect over a wide area of the inner peripheral surface. Can be demonstrated. For this reason, this antifouling flow path body can suppress the malfunction of the conventional antifouling flow path body that the antifouling action by ultraviolet rays has a large difference depending on the location. In addition, the antifouling flow path body does not necessarily have to be provided with a large number of ultraviolet light sources, so that the structure can be simplified.

  Therefore, the antifouling flow path body of the present invention can exhibit the antifouling action more effectively while simplifying the structure.

  As the translucent material, inorganic glass, silicone resin, polycarbonate resin, epoxy resin, acrylic resin, other transparent resin, or the like can be used.

  As the ultraviolet light source, a general ultraviolet light source such as an ultraviolet lamp, an ultraviolet LED or the like can be employed. In addition, a light source such as an incandescent lamp, a fluorescent lamp, or a mercury lamp that irradiates light including ultraviolet rays (having a wavelength of about 300 to 400 nm) can also be employed. The ultraviolet light preferably has a wavelength of 380 nm that can effectively excite a photocatalyst described later. In order to reduce the size, power consumption, and durability of the ultraviolet irradiation device, it is preferable to use an ultraviolet LED.

  In the antifouling flow path body of the present invention, it is preferable that an antifouling layer capable of transmitting the ultraviolet light and including a photocatalyst is formed on the inner peripheral surface.

  In this case, the ultraviolet rays emitted from the inner peripheral surface are also irradiated to the antifouling layer including the photocatalyst formed on the inner peripheral surface. For this reason, in this antifouling flow path body, the activity of the photocatalyst of the antifouling layer is increased, and odor components and dirt components adhering to the inner peripheral surface can be decomposed more effectively. As a result, this antifouling flow path body can exhibit a higher antifouling action.

  In the antifouling flow path body of the present invention, it is preferable that a reflective layer that reflects the ultraviolet light is formed on the outer peripheral surface of the light transmitting portion.

  In this case, the ultraviolet rays that are incident on the translucent portion from the ultraviolet light source provided integrally with the translucent portion are reflected by the reflective layer formed on the outer peripheral surface when traveling while spreading in the translucent portion. The light is emitted from a wider range. Further, the reflection layer eliminates ultraviolet rays that are wasted out to the outside of the outer peripheral surface. For this reason, this antifouling flow path body can emit the ultraviolet-ray irradiated from an ultraviolet-ray light source without waste from the wider range of an internal peripheral surface, and can show | play the effect of this invention more reliably.

The roadway channel body of the present invention can be applied to a Western-style toilet. That is, the Western-style toilet of the present invention is a Western-style toilet provided with a Western-style toilet body having a bowl surface and a trap that forms sealing water on the bowl surface, and a drain socket connected to the trap.
At least one of the trap and the drain socket is one of the above-described antifouling flow path bodies of the present invention, and the antifouling flow path body can irradiate the ultraviolet rays when the water level of the sealed water is lowered. It is characterized by that.

  The Western-style toilet of the present invention having such a configuration effectively uses the time when the level of the sealing water is lowered also on the inner peripheral surface of at least one of the trap and the drain socket, which tends to be insufficiently irradiated with ultraviolet rays due to the sealing water. Thus, the ultraviolet rays can be reliably irradiated. For this reason, this Western style toilet can produce the effect of this invention reliably about at least one of a trap and a drain socket.

  Embodiments 1 and 2 embodying the present invention will be described below with reference to the drawings.

  As shown in FIG. 1, the antifouling flow path body of Example 1 is applied to a Western-style toilet 10 as a trap 20. The Western-style toilet 10 includes a bowl-shaped toilet body 11 having a bowl surface 11 a and a trap 20 that forms a sealing water 12 on the bowl surface 11 a, and a drain socket 13 connected to the trap 20.

  The trap 20 is an S light-curved portion 21 that is an S-shaped curved flow path for flowing waste water downstream, and an ultraviolet light source that is provided integrally with the light-transmitting portion 21 and that allows ultraviolet light to enter the light-transmitting portion 21. As a UV-LED 22.

  As shown in FIG. 2 in an enlarged manner, the translucent part 21 is formed of an epoxy resin that is a translucent material capable of transmitting ultraviolet rays, and the inner peripheral surface 21a can emit ultraviolet rays. On the inner peripheral surface 21a of the light transmitting portion 21, an antifouling layer 21c that can transmit ultraviolet light and includes a photocatalyst is formed. On the other hand, a reflective layer 21 b that reflects ultraviolet rays is formed on the outer peripheral surface of the translucent part 21.

  The UV-LED 22 is provided on the bottom side of the trap 20, and a light emitting part is embedded in the light transmitting part 21. Further, the UV-LED 22 can irradiate ultraviolet rays at any appropriate time such as when the level of the sealing water 12 is lowered when the western-style toilet 10 is washed or when the western-style toilet 10 is not used.

  In the trap 20 according to the first embodiment having such a configuration, the ultraviolet light incident from the UV-LED 22 into the light transmitting portion 21 travels while spreading in the light transmitting portion 21, and the inner peripheral surface 21 a of the light transmitting portion 21. It is possible to emit light from a wide range. In addition, part of the ultraviolet light incident from the UV-LED 22 into the light transmitting part 21 is reflected by the reflective layer 21b formed on the outer peripheral surface when traveling while spreading in the light transmitting part 21, and the inner peripheral surface 21b. It is possible to emit light from a wider range. Furthermore, the reflection layer 21b eliminates the ultraviolet rays emitted unnecessarily to the outside of the outer peripheral surface.

  For this reason, on the inner peripheral surface 21a from which the ultraviolet rays are emitted, the proliferation of germs is suppressed by the sterilizing action of the ultraviolet rays. As a result, the trap 20 can realize the antifouling action more effectively over a wide range of the inner peripheral surface 21a. For this reason, this trap 20 can suppress the trouble of the conventional trap in which the antifouling action due to ultraviolet rays varies greatly depending on the location. In addition, since the trap 20 does not necessarily have to be provided with a large number of ultraviolet light sources, the structure can be simplified.

  In particular, in this trap 20, ultraviolet rays emitted from the inner peripheral surface 21a are also applied to the antifouling layer 21c. For this reason, in this trap 20, the activity of the photocatalyst of the antifouling layer 21c is increased, and odor components and dirt components adhering to the inner peripheral surface 21a can be decomposed more effectively. As a result, the trap 20 can exhibit a higher antifouling action.

  Further, in this trap 20, a part of the ultraviolet ray is reflected by the reflective layer 21b when traveling while expanding in the light transmitting portion 21, and is emitted from a wider range of the inner peripheral surface 21a. It does not emit to the outside of the outer peripheral surface. For this reason, the trap 20 can emit ultraviolet rays from the inner peripheral surface 21a without waste.

  Therefore, the trap 20 of Example 1 can exhibit the antifouling effect more effectively while simplifying the structure.

  Moreover, the western style toilet 10 can irradiate an ultraviolet-ray from UV-LED22, when the water level of the sealing water 12 falls. For this reason, it is possible to reliably irradiate the inner peripheral surface 21a of the trap 20 where the irradiation of the ultraviolet rays with the sealed water 12 is likely to be insufficient. For this reason, this Western style toilet bowl 10 can exhibit a high antifouling action.

  In addition, in the western style toilet 10, when the structure of the drain socket 13 is made the same as the structure of the trap 20 as the antifouling flow path body, the effect of the present invention can be exerted on the drain socket 13.

  As shown in FIG. 3, the antifouling flow path body of Example 2 is applied to the local cleaning device 30. The local cleaning device 30 as an antifouling flow path body includes a hot water tank 31, a switching valve 32, a nozzle cylinder 33 and a nozzle 34.

  In the local cleaning device 30, each casing of the hot water tank 31, the switching valve 32, the nozzle cylinder 33, and the nozzle 34 is a light-transmitting portion that is a flow path for flowing hot water for local cleaning. Further, the local cleaning device 30 is provided integrally with each case of the hot water tank 31, the switching valve 32, the nozzle cylinder 33, and the nozzle 34, and includes a UV-LED 35 as an ultraviolet light source capable of entering ultraviolet rays into each case. ing.

  The UV-LED 35 is integrated with the respective housings of the hot water tank 31, the switching valve 32, the nozzle cylinder 33, and the nozzle 34 by the same configuration as that of the UV-LED 22 installed in the light transmitting portion 21 described in the first embodiment. Is provided. Other configurations are the same as those of the first embodiment. For this reason, about the same structure, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  In the local cleaning device 30 according to the second embodiment having such a configuration, the ultraviolet rays that enter the respective housings from the UV-LEDs 35 that are integrally provided in the respective housings as the translucent portion are spreading in the respective housings. The light travels and is emitted from a wide range of the inner peripheral surface 21a of each housing. A part of the ultraviolet light incident on each housing from the UV-LED 35 is reflected by the reflection layer 21b and spreads from a wider area of the inner peripheral surface 21a of each housing when traveling in each housing. . Furthermore, the reflection layer 21b eliminates ultraviolet rays that are wasted out to the outside of the outer peripheral surface of each housing.

For this reason, on the inner peripheral surface 21a of each housing from which ultraviolet rays are emitted, propagation of germs is suppressed by the sterilizing action of the ultraviolet rays. As a result, the local cleaning device 30 can realize the antifouling action more effectively over a wide range of the inner peripheral surface 21a of each housing.

  Therefore, the local cleaning device 30 according to the second embodiment can also achieve the effects of the present invention, like the trap 20 according to the first embodiment.

  In the above, the present invention has been described with reference to the first and second embodiments. However, the present invention is not limited to the first and second embodiments, and can be appropriately modified and applied without departing from the spirit of the present invention. Needless to say.

  For example, the number of installed ultraviolet light sources and the installation location can be appropriately changed according to the size and shape of the antifouling flow path body.

  INDUSTRIAL APPLICABILITY The present invention can be used for traps, local cleaning devices, other antifouling channel bodies, and Western-style toilets.

It is a schematic sectional drawing of the western style toilet bowl of Example 1. FIG. It is a principal part expanded sectional view which concerns on the western style toilet bowl of Example 1, and shows the Z section of FIG. It is a schematic perspective view of the local cleaning apparatus of Example 2.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Western-style toilet 11 ... Western-style toilet body 11a ... Bowl surface 12 ... Sealed water 13 ... Drain socket 20, 30 ... Antifouling flow path body (20 ... Trap, 30 ... Local washing apparatus)
DESCRIPTION OF SYMBOLS 21 ... Translucent part 21a ... Inner peripheral surface 21b ... Reflective layer 21c ... Antifouling layer 22, 35 ... Ultraviolet light source (UV-LED)

Claims (4)

A translucent part formed of a translucent material capable of transmitting ultraviolet light, and having an inner peripheral surface capable of emitting the ultraviolet light and being a flow path for flowing gas or liquid;
An antifouling flow path body comprising an ultraviolet light source provided integrally with the light transmitting part and capable of entering the ultraviolet light into the light transmitting part.   The antifouling flow path body according to claim 1, wherein an antifouling layer that can transmit the ultraviolet rays and includes a photocatalyst is formed on the inner peripheral surface.   The antifouling flow path body according to claim 1 or 2, wherein a reflection layer that reflects the ultraviolet rays is formed on an outer peripheral surface of the light transmitting portion. In a Western-style toilet equipped with a Western-style toilet body having a bowl surface and a trap that forms a sealing water on the bowl surface, and a drain socket connected to the trap,
At least one of the trap and the drain socket is the antifouling flow path body according to any one of claims 1 to 3, and the antifouling flow path body emits the ultraviolet rays when the water level of the sealed water decreases. A Western-style toilet that can be irradiated.

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