JPH11342392A - Electrolytic disinfector of bathwater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electrolytic disinfector of bathwater with the maintenance of the electrolytic disinfector provided in the middle of a bathwater circulating line simplified. SOLUTION: An electrolytic disinfector 10 is arranged in the middle of a circulating line 6 for circulating the bathwater outside a bathtub 1 in this electrolytic disinfector of bathwater. An electrolytic tank 8 is integrated into the middle of the circulating line 6, the disinfector 10 is immersed in the circulating water in the electrolytic tank 8, and the disinfector 10 is made easily attachable and detachable to and from the electrolytic tank 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath water electrolytic disinfection apparatus for disinfecting bath water by electrolysis while circulating the bath water outside the bathtub.

[0002]

2. Description of the Related Art Conventionally, as an apparatus for electrolytic disinfection of bath water, for example, Japanese Patent Laid-Open Publication No. 3-192 discloses a method of electrolytic disinfection of circulating water by providing an electrolyzer in a circulation path for circulating bath water to the outside. A bath tub water sterilizing and purifying apparatus is disclosed. When electrolysis is performed when circulating bath water in this device, chlorine is generated on the anode side because chloride (such as human sweat) is contained in the bath water, and this chlorine reacts with water. This produces sodium hypochlorite. Since the sodium hypochlorite thus generated has disinfecting properties, the bath water can be disinfected.

[0003]

However, in this conventional apparatus, since the electrolyzer is incorporated in the middle of the bath water circulation path, when the electrolyzer requires maintenance, the operation is troublesome. There was a problem that it took. Also,
In this conventional apparatus, the electrolytic gas (including flammable hydrogen gas) generated during electrolysis returns to the bathtub together with the bath water after electrolysis, so that hydrogen gas does not accumulate in the bathroom. During electrolysis, the bathroom had to be well ventilated.

The present invention has been made in view of such a conventional problem,
An object of the present invention is to provide a bath water electrolytic disinfecting apparatus that can easily perform maintenance of an electrolyzer provided in the middle of a circulation path of bath water and that does not require ventilation during electrolysis in a bathroom.

[0005]

The bath water electrolytic disinfecting apparatus according to the present invention is a bath water electrolytic disinfecting apparatus in which an electrolytic disinfecting device 10 is disposed in a circulation path 6 for circulating bath water outside the bathtub 1. The electrolytic disinfecting device 10 is provided with an electrolytic tank 8 incorporated in the middle of the circulation path 6, and the electrolytic disinfecting device 10 is a submerged electrolytic disinfecting device that is immersed in circulating water in the electrolytic tank 8.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a bath water electrolytic disinfection apparatus according to the present invention will be described below in detail with reference to FIGS.

FIG. 1 is a layout diagram showing the overall configuration of the bath water electrolytic disinfection apparatus, and FIG. 1 (a) is a side sectional view and FIG.
FIG. 2B is a cross-sectional view taken along line AA of FIG. In the figure, 1 is a bathtub and 2 is a bathroom. A heater 3 is installed outside the bathroom 2, and the heater 3 is connected to the bathtub 1 by two pipes 4,5. Lower pipe 4 is heater 3
The upper pipe 5 is an outlet pipe from the heater 3.

A circulation path 6 is connected to the inflow pipe 4 and the outflow pipe 5. The circulation path 6 has a filter 7 and an electrolysis tank 8
And is incorporated. The electrolytic disinfection device 10 is immersed in the tank 8 for electrolysis. Electrolytic disinfector 10 is power box 9
The power supply to the electrolytic disinfection device 10 is controlled by the power supply box 9.

FIG. 2 shows the external shape of the electrolytic disinfecting apparatus 10. FIG. 2 (a) is a front view, FIG. 2 (b) is a right side view, and FIG.
(C) is a bottom view. FIGS. 3 to 5 show the internal structure of the electrolytic disinfecting apparatus 10, and FIG.
4 is an enlarged sectional view taken along line CC of FIG. 2A, and FIG. 5 is an enlarged sectional view taken along line DD of FIG. 2A.

This electrolytic disinfecting apparatus 10 is a hollow underwater immersion vessel.
An electrolysis electrode plate 13 disposed in an electrolysis chamber 12 in a submerged immersion container 11 and a power cord 14 for connecting the electrolysis electrode plate 13 to an external power source. The underwater immersion container 11 includes a rectangular cylindrical container main body 15, an upper lid 16 mounted on the upper end of the container main body 15, and a lower lid 17 mounted on the lower end of the container main body 15. The hollow portion inside the container body 15 constitutes the electrolysis chamber 12, and an inlet 18 formed on the bottom surface of the lower lid 17 and an outlet formed on the side surface of the container body 15.
19 is in communication with the electrolysis chamber 12.

The container body 15 has a substantially rectangular horizontal section, and has a chloride storage chamber 20 on the front surface. The chloride storage chamber 20
A vertically long storage chamber forming member 21 having a semicircular cross section and upper and lower ends formed into a spherical shape is fixed to the container body 14. A circular opening 22 is formed in the upper part of the storage chamber constituent member 21 as an inlet for the chloride agent, and the opening area thereof is smaller than the cross-sectional area of the chloride agent storage chamber 20. It is configured so that the charged chlorinating agent does not easily go outside. The opening 22 may be provided with a lid (not shown) that can be opened and closed. At the lower part of the container body 15, three small holes 23 (FIG. 5) for communicating the chloride storage chamber 20 and the electrolysis chamber 12 are formed vertically.

The upper lid 16 and the lower lid 17 are respectively
The upper end and the lower end of 15 are fitted. The upper lid 16 has a hole 24 for passing the power cord 14 at the center, and the lower lid 17 has the inlet 18 at two places. In addition, a mesh-shaped shielding plate is attached to each inlet 18.

The electrode plate for electrolysis 13 includes an anode plate 25 and a cathode plate.
26 are alternately arranged in three pairs, each having a substantially flat plate shape, and anode plates 25 and cathode plates 26 are connected at upper ends. Each electrode plate 13 has an anode plate 25 on the left end so that the connection of the anode plate 25 does not contact the cathode plate 26 and the connection of the cathode plate 26 does not contact the anode plate 25. The cathode plate 26 is connected by a step 25a, and the cathode plate 26 is
connected at a. Anode plates 25 and cathode plate 26
Are connected to a connecting plate 27 fixed to the upper end face of each step 25a, 26a.
The connecting plate 27 has a terminal portion 27a for connecting the power cord 14 by soldering or the like.

On the other hand, inside the electrolysis chamber 12, a container body is provided.
Along the back surface of 15, a vertically long earth electrode terminal plate 28 is fixed. The ground electrode terminal plate 28 has a lower end bent inward so that when the electrolytic disinfecting apparatus 10 is assembled, the lower end contacts a ground electrode 33 described later.

Electrolytic electrode plate 13 and ground electrode terminal plate 28
The upper end is integrally held by a holding plate 29 and is configured as one electrode unit 30. The electrode unit 30 is connected to the power cord 14 that passes through the hole 24 of the upper lid 16 from above.
Each lead wire 14a is connected to the electrode plate 13 for electrolysis and
After connecting to the connecting part of 28, press fit into the lower end of the upper lid 16,
Insulating synthetic resin 31 from the gap between power cord 14 and hole 24
Is fixed to the upper lid 16. After the electrode unit 30 is fixed to the upper lid 16 in this way, the upper lid 16 is fixedly adhered to the container body 15. The lower ends of the electrode plates 25 and 26 fit into the grooves 15c of the holding pieces 15b formed at the lower end of the container body 15 and are kept at a constant interval.

The lower lid 17 has a strainer 32 and a ground electrode.
33 is held. In order to hold these, the upper end portion of the lower lid 17 is formed in two steps, the annular spacer 34 is arranged on the strainer 32 on the lower step, and a coarse mesh or A grid-like ground electrode 33 is mounted. The container body 15 has an earth electrode holder 15a protruding from the lower end surface, and when the lower lid 17 is mounted on the container body 15, the earth electrode 33 and the strainer 32 are fixed in position,
The ground electrode 33 is close to the lower end of the electrode 13 for electrolysis, and is in contact with the ground electrode terminal plate 28 as described above. The lower cover 17 is configured to be detachable from the container body 15.

On the other hand, the electrolytic tank 8 is covered with a lid 35, and the electrolytic disinfecting device 10 has the power cord 14 passed through a groove (not shown) formed on the upper edge of the electrolytic tank 8. By being covered with the lid 35 in this state, the suspension is suspended in the tank 8 for electrolysis. In addition, a gas vent 36 is provided on the lid 35 of the electrolysis tank 8 in order to prevent accumulation of the electrolysis gas in the electrolysis tank 8.

The power supply box 9 is placed in the bathroom 2 and
A manual power switch may be provided so that the bath water can be disinfected when necessary. However, in order to be suitable for use in a 24-hour bath in which hot water is stored in a bathtub so that the bath can be always taken. The power supply may be configured to be repeatedly turned on and off a predetermined number of times at a time.

In the above configuration, when the bath water circulates between the bathtub 1 and the heater 3 when the bath water is heated, the bath water also circulates through the circulation path 6 to the filter 7 and the electrolysis tank 8. I do. At this time, first, dirt and the like in the bath water are removed by the filter 7, and then the bath water is disinfected by sodium hypochlorite generated by reacting chlorine generated by electrolysis of the bath water with the water.

On the other hand, the electrolysis tank 8 is placed outside the bathroom (outdoor).
And the electrolytic gas containing hydrogen gas is allowed to escape from the electrolytic tank 8 to the outside, so that the electrolytic gas does not return to the bathtub 1 together with the electrolyzed bath water. Therefore, no electrolysis gas accumulates in the bathroom 2, so that ventilation in the bathroom during electrolysis is unnecessary. Further, in the above configuration, since the electrolytic disinfecting device 10 can be easily taken out of the electrolytic tank 8, the operation can be easily performed when the maintenance of the electrolytic disinfecting device 10 is required.

The electrolytic disinfecting apparatus 10 has a ground electrode 33.
Is provided near the electrode plate 13 for electrolysis, it is possible to avoid electric leakage to the metal part of the tank 8 for electrolysis and to prevent electrolytic corrosion. That is, by arranging the ground electrode 33 near the electrode plate 13 for electrolysis, even if a leakage occurs, the current is released from the ground electrode 33 through the ground wire,
Since it can be prevented from flowing into the metal part of the electrolytic tank 8, the occurrence of electrolytic corrosion due to electric leakage can be prevented in advance.

Further, since the electrolytic disinfecting apparatus 10 is provided with the chloride storage chamber 20, when the chloride concentration in the bath water alone is insufficient, the chloride is separately charged. In addition, a sufficient chloride concentration can be ensured to increase the disinfection efficiency.

[0023]

According to the present invention, there is provided a bath water electrolytic disinfecting apparatus in which an electrolytic disinfecting device 10 is disposed in the middle of a circulation path 6 for circulating bath water outside the bathtub 1.
The tank 8 for electrolysis was installed in the middle of the process, and as the electrolytic disinfectant 10, the immersion type electrolytic disinfector immersed in the circulating water in the tank 8 for electrolysis was used, so the maintenance of the electrolytic disinfectant 10 was required. If the electrolytic disinfection device 10
8 can be easily taken out for work.

Further, since the electrolysis tank 8 is installed outdoors and is open to the outside air, flammable hydrogen gas generated during electrolysis flows out of the electrolysis tank 8 to the outside. For this reason, the hydrogen gas does not return to the bathtub 1 together with the bath water after electrolysis, and therefore does not accumulate in the bathroom 2. Therefore, ventilation during electrolysis in the bathroom 2 becomes unnecessary.

[Brief description of the drawings]

FIG. 1 is a layout view showing an overall configuration of an embodiment of a bath water electrolytic disinfection apparatus according to the present invention, and FIG.
FIG. 1B is a cross-sectional view taken along the line AA of FIG.

FIGS. 2A and 2B show external appearances of an electrolytic disinfecting apparatus used in the apparatus of FIG. 1, wherein FIG. 2A is a front view, FIG. 2B is a right side view, and FIG. 2C is a bottom view. is there.

FIG. 3 is an enlarged sectional view taken along line BB of FIG. 2 (b).

FIG. 4 is an enlarged sectional view taken along line CC of FIG. 2 (a).

FIG. 5 is an enlarged sectional view taken along line DD of FIG. 2 (a).

[Description of sign]

 1 Bathtub 2 Bathroom 3 Heater 4 Inflow pipe 5 Outflow pipe 6 Circulation line 7 Filter 8 Electrolysis tank 9 Power supply box 10 Electrolytic disinfector

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI C02F 1/50 540 C02F 1/50 540B 550 550D 560 560F 1/76 1/76 A F24H 9/00 F24H 9/00 W

Claims (2)

[Claims] A bath water electrolytic disinfection device in which an electrolytic disinfection device (10) is disposed in the middle of a circulation path (6) for circulating bath water outside the bathtub (1). Tank for electrolysis incorporated in (8)
Wherein the electrolytic disinfection device (10) is a submersible electrolytic disinfection device immersed in circulating water in the electrolysis tank (8). 2. The bath water electrolytic disinfection device according to claim 1, wherein said electrolysis tank (8) is installed outdoors and opened to the outside air.