JPH11294853A - 24-hour bathing water purifying and circulating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To disinfect the heat accumulating hot water as far as a pipe for connecting a 24-hour bathing water purifier with a bathtub, and a nozzle, by slowly retuning the heat accumulating water in a heat storage vessel to a bathtub. SOLUTION: A bathtub 10 is equipped with a circulating pump for circulating bathing water and a sterilizer 2 for sterilizing bathing water. The bathtub 10 and a bathing water purifying and circulating device are connected with each other by a circulation pipe line 4. The coupling pipe 16 of a heat storage vessel 11 which can be heated with a power source and a return pipe 14 are coupled with the circulation pipe 4b on output side of the circulation pipe line 4. The circulation pipe 4a on input side of the circulation pipe line 4 is provided with a bypass pipe 17 having an orifice 18. At discharge of heat accumulating hot water, the bathing water can circulate within the pipe of the bypass pipe 17, and besides the heat accumulating hot water within the heat storage vessel 11 circulates through the circulation pipe 4b on output side, and flows down into the bathtub 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a heat storage tank as another heat retaining means, and a pipe connecting the apparatus and the bath tub so as to slowly return the hot storage water of the heat storage tank to the bath tub. The present invention relates to a 24-hour bath water purification and circulation device capable of disinfecting hot water up to a nozzle.

[0002]

2. Description of the Related Art Conventionally, in a bath water purifying and circulating apparatus having a bath for 24 hours, particularly, hot water (bath water) can always enter a bath at an appropriate temperature. Although this mainly used electric energy as a heat source and had the disadvantage of requiring a large amount of electricity, the applicant has already used the hot water in a heat storage tank that uses nighttime electric power, etc. We are developing a saving 24-hour bath water purification and circulation device.

[0003]

However, returning the hot water to the bath tub while cleaning and sterilizing the circulation pipeline using the hot water in the heat storage tank has a risk of suddenly entering the bath tub. For this reason, it has been required to slowly return hot water. On the other hand, it has been difficult to switch the speed of the circulation pump to a very slow type in terms of mass production.

[0004]

The inventors of the present invention have made intensive studies to solve the above-mentioned problems, and as a result, have found that the present invention provides a circulating pump for circulating bath water and a sterilizing apparatus for sterilizing bath water. A bath water purifying and circulating device comprising a device is provided in a bath tub, and the connecting bath and the return tube of the heat storage tank are arranged so that the bath tub and the bath water purifying and circulating device can be circulated in a circulating pipeline and can be heated by a power supply. Connected to the output side circulation pipe of the circulation pipe,
A bypass pipe having an orifice is provided in an input side circulation pipe of the circulation pipe, so that when hot water is discharged, bath water flowing in the circulation pipe can flow through the bypass pipe, and hot water in the heat storage tank outputs the hot water. By circulating the side circulation pipe and flowing down into the bathtub for 24 hours, etc., when returning to the bathtub with hot water stored in the heat storage tank via the orifice, Hot water storage can be disinfected up to the pipes and nozzles connecting the apparatus and the bathtub, thereby solving the above-mentioned problem.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 4. First, as shown in FIG. 1, a bath water purifying and circulating apparatus includes a circulating pump P for circulating bath water. A heater 1 such as a ceramic heater for heating the bath water from a low temperature to a high temperature, a sterilizing device 2 for sterilizing the bath water by ultraviolet rays or the like, a filtering device 3 for filtering fine dirt and contaminant impurities from the bath water, The circulation pump P comprises a circulation pipe 4 for circulating bath water so as to return from the bathtub 10 to the bathtub 10. In this embodiment, the order is the circulation pump P, the heater 1, the sterilizer 2, and the filter 3, but the order is not necessarily limited.

When the sterilizing apparatus 2 uses ultraviolet rays, an ultraviolet lamp is provided inside the case, and bath water passes while being irradiated by the ultraviolet lamp.
The type of the filter used in the filtration device 3 is a precision filter or a normal filter, and is used as an adsorbent filter material as a filter material filled with activated stone or activated carbon, or made of a woven or nonwoven fabric. Some are composed of filter materials. In any case, fine dust and dirt as impurities are removed.

As described above, the end of the input side circulating pipe 4a on the input side of the circulating pump 4 of the circulating line 4 of the bath water purifying and circulating apparatus A is located in the bathtub 10 to remove relatively coarse dust and the like. A removable pre-filter 5 is provided, and an output-side circulation pipe 4 b on the output side of the circulation line 4 with respect to the position of the filtration device 3.
Is located in the bathtub 10, and an ejection portion 6 is provided as necessary so that a jet jet flows out.

The specific configuration of the heat storage tank 11 is as follows.
An electric water heater using water as a heat storage medium is used. That is, the heat storage tank 11 includes a hot water storage tank 11a and the hot water storage tank 11a.
And a heater 11b using electric power provided therein. The principle of such an electric water heater includes a convection method (natural convection and forced convection), a heat exchanger method, and the like. It can be fully used as a water heater. Further, a temperature detector 11c is also provided, and is controlled at a desired set temperature. The bath water in the heat storage tank 11 at this time is heated to about 80 ° C. and is referred to as heat storage water.

When the midnight power is used for the heat storage tank 11 (water heater), the power usage fee can be relatively low. The late-night electric power includes late-night electric power
Electricity used for hot water during the time of the hour), second midnight electric power (electricity used for hot water during the time from 1:00 am to 6:00 am), etc. Each is different.

A water supply / discharge pipe 12 is provided from the lower side of the hot water storage tank 11a for supplying and discharging water from a water source such as tap water. A T-shaped valve 13 is connected to an end of the water supply / discharge pipe 12, A return pipe 14 and two mixing pipes 15 are connected to each other via the T-shaped valve 13. The other end of the return pipe 14 is connected to the output side circulation pipe 4b.
Is connected to the point near the outlet. Connection piping 16
Is connected to the hot water storage tank 11a and an intermediate portion of the output side circulation pipe 4b. The other end of the mixing pipe 15 from the T-shaped valve 13 is connected to the connection pipe 16.

A bypass pipe 17 is provided at a position of the input side circulation pipe 4a near the circulation pump P, and a first switching valve V1 as a three-way valve is provided at this branch point. The bypass pipe 17 is provided with an orifice 18 having a reduced diameter. Further, a sub-connection pipe 19 is provided between a position of the input side circulation pipe 4a closer to the inlet than the position of the first switching valve V1 and a position of the output side circulation pipe 4b closer to the outlet than the position of the return pipe 14 in the output side circulation pipe 4b. In addition, a second switching valve V2 as a three-way valve is provided at a connection point on the input side circulation pipe 4a. Further, a third switching valve V3 as a three-way valve is provided at a connection point between the connection pipe 16 and the output side circulation pipe 4b. Further, a fourth switching valve V4 as a three-way valve is provided at a connection point between the connection pipe 16 and the mixing pipe 15.

Next, in the case of a normal circulation purification operation, as shown in FIG. 3, the first three-way valve V1 is moved from the port to the port, the second three-way valve V2 is moved from the port to the port, and the third three-way valve V2 is moved from the port to the port.
The three-way valve V3 is switched from one port to another port, and the bath water is circulated between the circulation pipe 4 and the bathtub 10 as appropriate to purify the circulation.

In a normal heating operation, as shown in FIG. 4, the first three-way valve V1 and the second three-way valve V2 are left as they are, and the third three-way valve V3 is switched from a port to a port. The fourth three-way valve V4 is switched so that it can flow from port to port. Then
This time, the bath water that has passed through the filtration device 3 enters the heat storage tank 11 via the third three-way valve V3, the connection pipe 16 and the fourth three-way valve V4, and mixes with the hot storage water from the supply / discharge pipe 12. Bath water is mixed at 13 locations of T-shaped bubbles from
From this point, the water flows into the return pipe 14, and the hot water in the bathtub 10 is heated through the second three-way valve V2.

In the case of discharging hot water and sterilizing and cleaning the output side circulation pipe 4b of the circulation line 4, as shown in FIG. 1, first, the first three-way valve V1 is connected to a port. The port is switched to a port, and this time, the bath water circulation slowly flows through the orifice 18 of the bypass pipe 17, and the fourth three-way valve V4 is switched to be able to flow only from the port to the port. Thus, the bath water flowing to the return pipe 14 is only the heat storage water, and the other is circulated in the same configuration as in the normal heating operation (see FIG. 3). As a result, the hot water stored in the heat storage tank 11 is subjected to hot water hot water sterilization and cleaning from the second three-way valve V2 to the output side circulation pipe 4b of the circulation pipe 4 on the bathtub 10 side.

Further, when sterilizing and circulating and washing with hot water (bath water is heated to about 70 ° C. or outside), as shown in FIG. 2, first, the first three-way valve V1 is connected from port to port. The second three-way valve V2 is switched so that it can flow from a port to a port, and the third three-way valve V3 can be switched so that it can flow from a port to a port. Then, the temperature of the bath water in the circulation line 4 is heated to about 70 ° C. inside and outside by the heater 1, and the heated bath water
That is, the hot water is circulated for a predetermined time in the output-side circulating pipe 4b and the input-side circulating pipe 4a of the circulating pipe 4 under the pressure of the circulating pump P.

[0016]

According to the first aspect of the present invention, the bathtub 10 is provided with a bathwater purification / circulation device including a circulation pump P for circulating the bathwater and a sterilizer 2 for sterilizing the bathwater. And the bath water purification / circulation device can be circulated in the circulation line 4, and the connection pipe 16 and the return pipe 14 of the heat storage tank 11, which can be heated by a power supply, are connected to the output side circulation pipe 4 b of the circulation line 4. A bypass pipe 17 having an orifice 18 is provided in the input side circulation pipe 4a of the circulation pipe 4 so that bath water can flow through the bypass pipe 17 when hot water is discharged. The heat storage water in the inside of the circulating pipe 4b of the circulating pipe line 4 is formed by using a heat storage water to form a 24-hour bath water purification circulating device that flows through the output side circulation pipe 4b and flows down into the bathtub 10. 4b pipes can be sterilized with hot water Further, the bath water on the input side passes through the orifice 18 passing through the bypass pipe 17 and circulates. Therefore, the same amount as the amount passing through the orifice 18 passes on the application side. There is an advantage that heat disinfection in which the discharge flow rate becomes extremely low and the time of washing with hot water at the output side circulation pipe 4b increases can be sufficiently performed. Even if the high-temperature storage water flows directly into the bathtub 10,
The danger can be avoided because the amount is small.

Next, in a second aspect of the present invention, in the first aspect, a first three-way valve V1 is provided near a connection point between the input side circulation pipe 4a and the bypass pipe 17, and only the hot water is supplied to the input side. When flowing into the circulation pipe 4a, the first
By switching the three-way valve V1 to control the bypass pipe 17 so that the bath water flows therethrough, a 24-hour bath water purifying and circulating apparatus is used. In the case of discharging hot water, the bypass having the orifice 18 is used. The flow rate of the flowing bath water is extremely low and surely passes through the pipe 17, and as a result, the discharge amount of the hot water can be surely reduced, and the heat disinfection of the output side circulation pipe 4b is performed. Also, there is an effect that it is possible to reliably avoid danger at ten places in the bathtub.

[Brief description of the drawings]

FIG. 1 is an operation diagram of hot water storage water sterilization of an output side circulation pipe in an embodiment of the present invention.

FIG. 2 is an operation diagram of hot water sterilization of a circulation line in the embodiment of the present invention.

FIG. 3 is a diagram showing a normal operation operation in the embodiment of the present invention.

FIG. 4 is a heating operation diagram in the embodiment of the present invention.

[Explanation of symbols]

 P ... Circulation pump 2 ... Sterilizer 4 ... Circulation pipeline 4a ... Input side circulation pipe 4b ... Output side circulation pipe 10 ... Bathtub 11 ... Heat storage tank 14 ... Return pipe 16 ... Connection pipe 17 ... Bypass pipe 18 ... Orifice V1 ... First 1 three-way valve

Claims (2)

[Claims] A circulation pump for circulating bath water;
A bath water purifying and circulating device comprising a sterilizing device for sterilizing bath water is provided in a bath tub, and the bath tub and the bath water purifying and circulating device can be circulated in a circulating pipeline, and can be heated by a power supply. A connecting pipe and a return pipe are connected to an output-side circulation pipe of the circulation pipe. A bypass pipe having an orifice is provided in an input-side circulation pipe of the circulation pipe. A 24 hour bath water purifying and circulating apparatus, wherein the hot water in the heat storage tank flows through the output side circulation pipe and flows down into the bathtub so that the hot water can flow through the bypass pipe. 2. The first three-way valve according to claim 1, wherein a first three-way valve is provided near a connection point between the input-side circulation pipe and the bypass pipe, and only the hot water flows into the input-side circulation pipe. A 24 hour bath water purifying and circulating apparatus characterized by controlling bath water to flow through the bypass pipe by switching a valve.