JPH1128457A - Method of adjusting sterilization performance of bath water circulation device and bath water sterilization device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily correspond to a size of a bathtub using the bath water circulation device and sterilization levels users want by connecting an adapter in the bath water circulation flow path to be able to vary sterilization performance of the bath water circulation device. SOLUTION: This bath water circulation device 2 is allowed the bath water in the bathtub 1 to flow in from a water sucking part 4a into a filter device to purify it and heat to a specified temp. with a heater device, and after a sterilizing treatment with a water sterilizing device, it is ejected into the bathtub 1 from an ejection part 4. In order to adjust the sterilization performance, the adaptor 20 is interposed on a return pipe 4d for connecting the bath water circulation device 2 to the ejection part 4b of the bathtub 1, and an additional sterilization means equal to the water sterilization device is incorporated in the adapter 20. Then, since the circulating bath water is sterilized with the water sterilization device inside the bath water circulation device 2 and the additional sterilization device inside the adapter 20, a sterilization effect by once circulation (one pass) is larger than it provided only with the water sterilization device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath water circulating apparatus provided with a function unit such as a heating means and an ultraviolet lamp in a bath water circulation channel for circulating water in a bath tub by a water supply means.

[0002]

2. Description of the Related Art In a conventional bath circulation apparatus, for example,
A device called a 4 hour bath is known, in which bath water is purified by aerobic bacteria which naturally adhere to a filtration means filled with a carrier such as ceramics or barley stone, and In addition, sterilization is performed by a sterilizing means using an ultraviolet sterilizing lamp or ozone, and further, the heat is kept warm by a heating means using an electric heater.

[0003] Some bath water circulating devices, such as a bubble generating bath device, have only a pump and a filtering means but do not have a sterilizing means.

[0004]

However, in the sterilizing means in the conventional bath water circulating apparatus, the sterilizing means has been regarded as one function of the bath water circulating apparatus, so that the sterilizing ability exceeds a certain specified level. It was difficult to improve.

[0005] Therefore, when infections caused by various bacteria are concerned and countermeasures are required, it is necessary to replace the bath water circulation device itself with one having a high sterilizing ability.

[0006]

Means for Solving the Problems and Their Functions and Effects In order to solve the above-mentioned problems, a method for adjusting the sterilizing ability of a bath water circulation device according to the present invention connects a water absorbing portion provided in a bathtub and a jetting portion. A bath water circulation device that includes a water supply means in the bath water circulation flow path and circulates the bath water pumped by the water supply means through a functional unit, by connecting an adapter to the bath water circulation flow path; It is characterized in that the sterilizing ability of the bath water circulation device is changed.

As described above, since the sterilizing ability of the bath water circulation device can be changed by connecting the adapter to the bath water circulation channel, the size of the bathtub in which the bath water circulation device is used and the size of the user can be improved. It is possible to easily cope with a desired sterilization level.

[0008] If the adapter is provided with an additional sterilizing means for sterilizing bath water,
The sterilization function can be retrofitted, and the sterilization ability can be improved as a whole in combination with the sterilization ability of the existing water sterilizer.

Further, if the adapter is connected in parallel with the bath water circulation channel or in parallel with the water supply means and the functional unit, the sterilization ability can be changed by changing the circulation flow pipe. , The addition of construction work required for adjusting the sterilization ability can be reduced.

The functional unit may include a water disinfection device, and the adapter may be a bypass unit connected in parallel with the water disinfection means downstream of the water supply means. Since the flow rate of the hot water is reduced, the time required for the bath water per unit amount to pass through the water sterilizing means becomes longer, and the sterilizing ability can be improved.

Further, if the bypass unit is provided with an additional sterilizing means having a sterilizing effect on the bath water, the bath water diverted to the bypass knit can be sterilized. The germicidal effect per hit can be further improved.

In the bath hot water sterilizer according to the present invention,
An additional sterilizing means provided between the water inlet and the water outlet, comprising a water inlet and a water outlet connected in a bath water circulation channel connecting the water suction part and the jet part provided in the bathtub, And a control unit for controlling the additional sterilizing means.

In this bath water disinfection device, an additional disinfection means can be added to the bath water circulation channel, so that the disinfection ability of the existing bath water circulation device can be improved, and furthermore, it has a disinfection function. The sterilization function can be retrofitted even in a bath water circulation device that is not used.

Further, if the bath water sterilizing apparatus is constituted by a main flow path and a sub flow path formed in parallel with the main flow path and provided with an additional sterilizing means, the bath water sterilizing apparatus can pass the additional sterilizing function. The passing flow rate can be made lower than the bath water circulation flow rate, and the sterilizing ability of the additional sterilizing function can be sufficiently exhibited.

Further, if the bath tub sterilizing apparatus is provided with a flow area variable means for changing a flow rate of water to the additional sterilizing means, the flow rate of bath water flowing into the additional sterilizing apparatus can be reduced. The flow rate can be adjusted to an optimum value in order to obtain the sterilizing effect of the additional sterilizing device.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment in which a bath circulating device 2 is applied to a bathtub 1 as an embodiment according to the present invention. A water sterilizer 3 and the like for sterilization are housed.

The bath water circulation device 2 comprises a bathtub 1 and a bath water circulation channel 4.
And the hot water in the bathtub 1 is absorbed by the water absorbing section 4a.
From the bath water to be filtered into a filtering device 6 by a pump 5 as a water supply means to purify scales and the like contained in the bath water, heated to a predetermined temperature by a heater device 7, and sterilized by a water sterilizing device 3. Later, the gas is ejected from the ejection portion 4b into the bathtub 1. Here, an air intake tube (not shown) is connected to the ejection part 4b, and it is possible to generate air bubbles in the bath water ejected from the ejection part 4b by the ejector effect.

Here, the filtering device 6 is filled with a filter medium such as barley stone and the like. The aerobic microorganisms are implanted on the barley stone, and the microorganisms decompose organic substances such as scale and purify the bath water. I do.

The heater device 7 has a built-in sheath heater, and is controlled so that the temperature detected by the temperature sensor 8 becomes the temperature set by the user.

The pump 5 is driven by a motor whose rotation speed can be controlled. The pump 5 has a large flow rate operation for jetting bath water mixed with air bubbles toward a bather in the bathtub 1 and purifies and sterilizes the bath water. The operation of the pump 5, the energization of the heater device 7, and the energization of the water sterilization device 3 are controlled by a control unit (not shown). Monitors the signals from the temperature sensor 8 and the flow sensor 9 at all times, and based on these signals, stops the operation of the apparatus at the time of high temperature or low flow rate, and also performs the displayed abnormal processing.

Next, the water sterilizer 3 will be described with reference to FIG. As shown in FIG. 2, cold-cathode tube ultraviolet lamps and 10, a lamp protection tube 11 made of quartz glass accommodating the ultraviolet lamp 10, and a container 12 accommodating these lamps
A water inlet 13 and a water outlet 14 are formed in the container 12, and a stainless steel tube 12a is in close contact with the container 12 on the inner surface of the container 12 to protect the container and reflect ultraviolet rays. It is provided. And container 1
Bath water flows through the water channel 15 between the inside of the lamp 2 and the lamp protection tube 11.

The lighting of the ultraviolet lamp 10 is controlled through a well-known inverter lighting circuit. The timing of energizing the ultraviolet lamp 10 includes the timing at which the pump 5 is driven and the water is passed to the water sterilizer 3. It is desirable to link them.

Next, a method of adjusting the sterilizing ability of the bath water circulation device according to the present invention will be described with reference to FIGS.

As shown in FIG. 3, in order to adjust the sterilizing ability of the bath water, an adapter 20 is interposed in a return pipe 4d connecting the bath water circulation device 2 and the jetting portion 4b of the bath tub 1. Has a built-in additional sterilizing means equivalent to the water sterilizing apparatus 3 described above. Therefore, the hot water circulating in the hot water circulation channel 4 is sterilized by the water sterilizing device 3 provided inside the hot water circulating device 2 and the additional sterilizing means provided inside the adapter 20. The sterilization effect in one circulation (one pass) is greater than that provided with only the water sterilizer 3.

In FIG. 4, the return pipe 4d is branched,
An adapter 20 containing an additional sterilizing means is interposed in one of the branched flow paths 4f. As described above, since the adapter 20 is interposed in the branch flow path 4f branched from the return pipe 4d, the additional hot water flows from the bath water circulation flow path 4 at a reduced flow rate into the additional sterilization means. The time required for the bath water per unit amount to pass through the additional sterilizing means becomes longer, and the sterilizing ability can be improved.

Although FIGS. 3 and 4 show an example in which the adapter 20 is interposed in the return pipe 4d, the adapter 20 is connected to the water pipe 4c connecting the water inlet 4a of the bathtub 1 and the bath water circulation device 2. It can also be interposed.

Further, as shown in FIG.
, The adapter 20 can be interposed at a position parallel to the pump 5 and the functional unit 20. Even if the adapter is interposed in this way, the adapter 20 is interposed in the branch flow path 4f that branches off the return pipe 4d.
Since the bath water with a reduced flow velocity diverted from the bath water circulation channel 4 flows through the additional sterilization means, the time required for the bath water per unit amount to pass through the additional sterilization means is increased, and the sterilization capacity is increased. Will improve.

In particular, as shown in FIG.
If the bypass unit 20a is provided so as to bypass the water disinfection device 3 stored in the water disinfection device 3, the flow rate of the bath water flowing into the water disinfection device 3 becomes slow, so that the bath water per unit amount passes through the water disinfection means 3. This increases the time required for the sterilization, and improves the sterilization ability. Further, the bypass unit 20a may be a simple pipe, but if it has an additional sterilizing means, the sterilizing ability is further enhanced.

Next, the bath water sterilizing apparatus used in the present invention which has been described as the adapter 20 in the above embodiment will be described with reference to FIGS.

FIG. 7 shows a bath hot water sterilizing apparatus serially interposed in the return pipe 4d or the forward pipe 4c of the bath hot water circulation flow path 4 shown in FIG. 2 has the same ultraviolet lamp 10 as shown in FIG. 2 in a flow path defined by a shielding plate 24 between a water inlet 22 connected to the upstream and a water outlet 23 connected to the downstream. Furthermore,
A control unit 25 for driving the ultraviolet lamp 10 constitutes an additional sterilizing means.

The control unit 25 is supplied with power from the outside. When the circulation of the bath water is detected by the flow switch 26, the lighting of the sterilizing lamp 10 is controlled by an inverter lighting circuit built in the control unit 25. Things.

FIG. 8 shows the bath water circulation flow path 4 shown in FIGS.
The hot water sterilizer is connected in parallel with the bath water sterilizer shown in FIG. 7. The difference from the hot water sterilizer shown in FIG. 7 lies in that a flow sensor 27 and a water quantity valve 28 as a flow area variable means are provided. The flow rate detected at 27 is
Is controlled by the water amount valve 28 so that the sterilizing ability of the water is appropriate.

FIG. 9 shows that a main flow path 29 which bypasses a sub flow path provided with the ultraviolet lamp 10 is provided in the middle of the connection between the water input section 22 and the water discharge section 23. Even when connected to a series, the flow rate flowing into the ultraviolet lamp 10 can be controlled to a flow rate at which the sterilizing ability is optimal.

Although the above embodiment has been described with respect to an example in which the ultraviolet sterilizing lamp 10 is used as a sterilizing means,
The sterilizing means may be an ozone sterilizing means or a sterilizing apparatus using electrolyzed water, etc. The bath water circulating apparatus 2 may be a bubble generating bath apparatus equipped with a large capacity pump and a filtering device, a gas burner, or the like. It may be a hot water supply device with
Various changes can be made without departing from the spirit of the present invention.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a bath water circulation device according to the present invention.

FIG. 2 is a schematic sectional view of a sterilizing means.

FIG. 3 is a schematic configuration diagram of a bath water circulation device of the present invention having a sterilizing ability adjusted.

FIG. 4 is a schematic configuration diagram of another embodiment of the bath water circulation device having the sterilizing ability adjusted according to the present invention.

FIG. 5 is a schematic configuration diagram of another embodiment of a bath water circulation device having a sterilizing ability adjusted according to the present invention.

FIG. 6 is a schematic configuration diagram of still another embodiment of the bath water circulation device having the sterilizing ability adjusted according to the present invention.

FIG. 7 is a schematic configuration diagram of a bath water bath hot water sterilizer of the present invention.

FIG. 8 is a schematic configuration diagram of another embodiment of the bath water bath hot water sterilizing apparatus of the present invention.

FIG. 9 is a schematic configuration diagram of another embodiment of the bath water bath hot water sterilizing apparatus of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Bathtub 2 ... Bath water circulation apparatus 3 ... Water sterilization apparatus (functional unit) 4 ... Bath water circulation path 5 ... Pump (water supply means) 10 ... Ultraviolet lamp 20 ... Adapter 20a ... Bypass unit 22 ... Water inlet section 23 ... Water discharge unit 25: control unit 28: water amount valve (flow path area variable means)

Claims (9)

[Claims] 1. A bath water circulation means comprising a water supply means in a bath water circulation flow path connecting a water absorption part and a jet part provided in a bath tub, and circulating bath water pumped by the water supply means through a functional unit. In the apparatus, there is provided a method for adjusting the sterilizing capacity of a bath water circulating device, wherein the sterilizing capability of the bath hot water circulating device is changed by connecting an adapter to the bath hot water circulating flow path. 2. The method according to claim 1, wherein said adapter includes an additional sterilizing means for sterilizing bath water. 3. The method according to claim 2, wherein the adapter is connected in parallel with the bath water circulation channel. 4. The method according to claim 2, wherein the adapter is connected in parallel with the functional unit. 5. The apparatus according to claim 1, wherein the functional unit has a water sterilizer, and the adapter is a bypass unit connected in parallel with the water sterilizer downstream of the water supply unit. Method of adjusting the sterilization ability of the bath water circulation device in Japan. 6. The method according to claim 5, wherein said bypass unit is provided with an additional disinfecting means for disinfecting the bath water. 7. A water supply part and a water discharge part which are connected in a bath water circulation path connecting a water absorption part and a discharge part provided in a bath tub,
A hot-water bath sterilizer comprising: an additional sterilizing means provided between the water inlet and the water outlet; and a control unit for controlling the additional sterilizing means. 8. The bath hot water sterilizer according to claim 7, wherein the bath hot water sterilizer comprises a main flow path and a sub flow path formed in parallel with the main flow path and provided with an additional sterilizing means. 9. The bath hot water sterilizing apparatus according to claim 7, wherein the bath tub sterilizing apparatus is provided with a flow rate changing means for changing a flow rate of water to the additional sterilizing means.