JP3184957B2 - Bathtub hot water circulation constant temperature purifier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention keeps hot and cold water in a bathtub at a desired temperature, and sterilizes and disinfects the bathtub by using various sterilizers, thereby circulating the hot and cold water in the bathtub.
The present invention relates to a circulating constant-temperature purifying apparatus for bath water which enables comfortable bathing at any time during 24 hours.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4, in a device of this type, a circulation outlet b and a circulation inlet c opened in a bath tub a are connected by a circulation pump e through a filter d for removing hair, dirt and the like. A tub is connected by a circulation pipe f so that the bathtub hot water W is recirculated, and further, a heater g for heating and a required number of sterilizing units h1 and h2 are provided in parallel at a downstream side of the circulation pump e. Have been. In the illustrated example, the reason why the heater g for heat retention and the sterilizing units h1 and h2 are provided in parallel is that if they are connected in series, a large-capacity circulating pump is required.

[0003] Here, the above-mentioned heater g is merely heated through the circulation pipe f so that the bath water W is always kept at a suitable temperature for bathing, so that it plays a role of sterilization. Not something. And the above sterilizing part h
Various equipments and the like are used for 1, h2, and an ultraviolet lamp, a silver zeolite cartridge, an electrode type silver ion generator, an ozone generator, which further sterilizes harmful bacteria, and
A microorganism carrier provided on the upstream side of the circulation pipe f and a heat sterilizer are known.

However, when using the above-mentioned ultraviolet lamp, the surface of the lamp is contaminated, the irradiation amount of ultraviolet light is reduced at an early stage, and the original sterilizing effect cannot be obtained. When an ozone generator is used, If the generated concentration is high, there is a restriction that it is harmful to the human body. Therefore, it can be used for bathtub water only at a low concentration, and as a result, the effective sterilization effect has not been obtained. In addition, the above-mentioned microorganism carrier is made of a porous ceramic or a natural stone carrier, as is known, in which microorganisms are carried to form a biofilm on the surface of the carrier, and organic substances are adsorbed and absorbed by the biofilm to oxidize and decompose. By doing so, it is intended to purify the bath water. Therefore, although there is a certain effect, since the microorganisms are bred here, once harmful bacteria enter, there is a possibility of multiplication.

[0005] Further, the above-mentioned heat sterilizer is:
Unlike the above-mentioned heat retaining heater g, a higher temperature treatment is performed. However, if a large amount of bath water is heated within a predetermined time, the temperature of the bath water becomes a suitable bath temperature. since becomes hotter than, ing to sterilization, such as live bacteria it becomes impossible for bathtub hot water total amount not performed.

However, recently, this type of device has been
Is a known hot water that can cause pneumonia
It has been pointed out that Legionella bacterium (resident military disease) will propagate.
The World Health Organization has listed it as an emerging infectious disease
The urgent need for countermeasures, the above Legionella bacteria,
Heat at a high temperature of 60 ° C or 70 ° C or higher
Taking into consideration the points that do not die if it is not Ru good chemical processing, in Figure 1
The following are suggested. That is, the circulation pump
In the circulation pipe 4 with 3
By providing the germ part 5 and the cooling / cooling part 6 on the downstream side,
The heat sterilizing section 5 is a temperature at which Legionella bacteria and the like can be completely killed.
The bathtub water is heated at a temperature, and then the cooling bath 6
Return the bath water, which has been cooled down to the appropriate temperature, to the bath,
This dramatically improves the reliability of conventional sterilization,
I am trying to make it possible to spread the so-called 24-hour bath safely
You.

[0007]

The present invention relates to the above-mentioned new and old
In view of the contents of the prior art, in claim 1 the above
In addition to the heat sterilization section and cooling / cooling section as in the new conventional example,
On the front and back side of the filter
Microbial carriers other than heat sterilizers, ultraviolet lamps, ozone
A different type of sterilization unit such as a generator is also attached.
With the proper combination of the new and old prior art contents,
Is trying to exert a synergistic effect.

According to a second aspect of the present invention, in the first aspect, a heat exchanger, a combustion device, and a temperature control mechanism for hot water for heat exchange are provided at the time of heating the heating and sterilizing section, and the cooling and cooling section is provided with a water supply source. Equipped with a water cooler to which cooling water is supplied and discharged to a drain, and a cooling water control mechanism for ON-OFF controlling the cooling water to the water cooler, so that water cooling using a bathroom can be easily performed. This makes it possible to achieve the above object of the present invention simply and with high reliability.

According to a third aspect , the second aspect is provided.
The cooling / cooling unit is not water-cooled, but the electric fan inside the air cooler is operated by ON-OFF control, whereby air is blown from the cooling unit of the circulation pipe to the outflow vent of the cooler, and the cooling unit is cooled. In addition to cooling the air, the ventilation is linked to the heating of the bathroom and the ventilation fan so that it can be used also as a laundry dryer, thereby further promoting the effects of the first and second aspects. That is the purpose.

[0010]

According to the present invention, in order to attain the above object, according to the first aspect, the bathtub hot water is recirculated by a circulation pump through a filter through a circulation outlet and a circulation inlet provided in the bathtub. Connected by a circulation pipe so that
A required number of different types of sterilizing sections are provided in parallel with the circulation pipe on the downstream side of the circulation pump, and a circulating bath water is provided upstream of the circulation pipe on the downstream side.
A heat sterilization unit capable of raising the temperature to 0 ° C. or higher is provided, and a cooling / cooling unit is provided downstream of the circulation pipe so that the temperature of the heating bath water by the heat sterilization unit can be lowered to a suitable temperature for bathing.
It is intended to provide a circulating and constant temperature purifying apparatus for bathtub hot and cold water, which is characterized by being performed.

In the case of the second aspect, the circulation outlet and the circulation inlet provided in the bathtub are connected by a circulation pipe through a filter so that the bathtub hot and cold water is circulated by a circulation pump. in the subsequent stage of the pump annexed heterogeneous sterilizing unit of a required number of parallel, further annexed its be under flow side of the circulation pipe in the rear stage, so that possible temperature of the bath hot water circulating in the 60 ° C. or higher Heat sterilization part
A heat exchanger attached downstream of the circulation pipe, a heat exchange pipe for circulating the heat exchange water in the heat exchanger by a heat exchange pump, and a heating unit for heating the heat exchange pipe. And a first opening / closing valve for controlling the supply of fuel gas to the combustion appliance ON-OFF based on a detection output signal of a first temperature sensor for detecting the temperature of the hot water for heat exchange. A cooling / cooling unit provided downstream of the pipe and capable of lowering the temperature of the heating bath water by the heating / sterilizing unit to a suitable bathing temperature is a water cooling unit fitted to a cooling unit provided in the circulation pipe and surrounding a cooling water passage. And a cooling water inlet connected to a water supply source in the water cooler, a cooling water outlet connected to a drain of a bathroom, and a temperature detecting bath for detecting the temperature of the cooling water bath downstream of the cooling unit. 2 For detection output signal of temperature sensor Ri, seeks to provide a bath of hot water circulating thermostat purification apparatus characterized by comprising a second on-off valve for ON-OFF controlling the cooling water supplied to the cooling water inlet from the water supply source.

Furthermore, in claim 3, the Atsushi Nobori tub hot water by heat sterilization unit for the above claim 2, only cooling cooling unit capable cooled to bathing suitable temperature are different, provided in the circulation pipe cooling electric fan be fitted has been venting sinus section is囲成, and an inlet vent and flow out the vent and cooling device which is formed, to blow toward disposed in vent dong from the cooling unit to the outlet vent And a switching unit that controls ON-OFF operation of the electric fan based on a detection output signal of a second temperature sensor that detects the temperature of the cooling water in the downstream of the cooling unit.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A circulating constant temperature purifying apparatus for hot and cold bathtubs according to the present invention will be described in detail below with reference to FIGS.
In the claim 1, comprising as shown in FIG. 2, the bathtub 1
To the the circulation outlet 2 opening a circulation inlet 2b, by the operation of the circulation pump 3 is interposed, as bathtub hot water W is circulating, is that it is connected by a circulation pipe 4, old conventional example former opinion Is the same as

In the first aspect, the environmental pipe 4
The former-stage sterilizer 7 corresponding to the conventional sterilizer, etc.,
And then heat sterilization unit 5, its subsequent cooling descending temperature portion side 6 further are sequentially attached. That is, the pre-stage sterilizing section 7 is configured such that the circulation outlet 2a and the circulation inlet 2b opened in the bathtub are connected to each other by the circulation pump 3 via the same filter 7a as in the conventional example so that the bathtub water W is recirculated. In the pipe 4, a required number of different types of sterilizing sections 7b and 7c are provided in parallel on the downstream side of the circulation pump 3 in parallel. Then the dissimilar sterilizing unit 7b, the 7c, as already theory, microbial carrier, ultraviolet lamps, ozone generator, silver zeolite cartridge, electrode type silver ion generator or the like is used.

[0015] In the next claim 2, by identifying the heat sterilization unit 5 and the configuration of the cooling cooling section 6 in the claim 1, provides those easily installed there in the bathroom, which Will be described below with reference to FIG. First, the configuration of the heat sterilizing unit 5 is such that the heat exchanger 5b provided in the exchange unit 5a of the circulation pipe 4 and the hot water W2 stored in the heat exchanger 5b are circulated by the heat exchange pump 5c. 5d is provided.

Furthermore, for heating the heating portion 5e of the heat exchanger pipes 5d, not only the combustion device 5f are arranged, per heat exchange hot water W2 in the heat exchanger 5b,
A first temperature sensor 5g such as a thermocouple for detecting the temperature and a first opening / closing interposed in a fuel gas supply pipe 5h for ON / OFF control of the supply of the fuel gas G to the combustion appliance 5f based on the detection output signal. A valve 5i is provided.

[0017] Thus, when due to heat sterilization section 5 of the above,
The heating unit 5e is heated by the combustion equipment 5f, and the temperature of the hot water W2 for heat exchange rises, thereby heating the hot water W of the bath tub of the heat exchange unit 5a in the heat exchanger 5b. The heated water bath W1 flows into the cooling / cooling unit 6 in the next stage. In this case, the first switch 5i is controlled by the detection output signal of the first temperature sensor 5g, and the temperature of the hot-water bath water W1 is maintained at a set temperature such as 60 ° C. or 70 ° C. or higher. In this way, the above-mentioned Legionella bacteria can be killed.

Next, when Setsuji per cooled cooling unit 6 in FIG. 2, in the circulation pipe 4, the cooling unit 6a which was provided with fins or the like, the cooling water Tsudo 6c is by fitting the water-cooling unit 6b It is enclosed. A branch pipe 8b derived from a water pipe 8a that supplies cooling water CW, which is tap water, is connected to a water faucet 8 in the bathroom at a cooling water inlet 6d of the water cooler 6b. Exit 6e
Is connected to a drain port provided with a trap (not shown) in the bathroom through a drain pipe 6f.

[0019] In addition, in the cooling cooling section 6, the cooling section 6
A second temperature sensor 6g for detecting the temperature of the cooling water bath W3 is provided in the circulation pipe 4 on the downstream side of a, and a detection output signal obtained from the second temperature sensor 6g is supplied from the above-mentioned water supply source via the water pipe 8a. The cooling water CW supplied to the branch pipe 8b is changed by a second on-off valve 6h such as an electromagnetic valve.
It is configured to be ON-OFF controlled.

[0020] Therefore, when due to the cooling temperature decrease unit 6,
Based on the detection output signal of the second temperature sensor 6g, the water cooler 6
cooling bath hot water W3 flowing out of b will become possible to cooling the cooling bath hot water W1 of the up bathing suitable temperature, since the fed back this to the bathtub 1, Tub hot water W in the bathtub 1
Temperature can be prevented from taking a bath, and highly reliable sterilization can be completed as described above.

[0021] Then in the case of claim 3, the above-described claim 2
As shown in FIG. 3, the cooling and cooling section 6 is different from that of FIG. 3 in that an appropriate bathing temperature can be obtained by air cooling without water cooling. Here, the cooling section 6a provided with fins in the circulation pipe 4 is also covered by the air cooler 6i to surround the ventilation cavity 6j, and the air cooler 6i has an inflow ventilation port 6k and an outflow ventilation port 6m. And has been established.

Furthermore, in the said cooling cooling section 6, an electric fan n there like the ceiling of the bathroom, the cooling unit 6a
Of the outflow vent 6m, so that the air can be blown toward the outflow vent 6m.
Since the air heated by the cooling section 6a flows out into the bathroom, the bathroom can be heated or the laundry can be dried in conjunction with a ventilation fan. It can be introduced from the port 6k and released into the outside air from the outlet ventilation port 6m and used for ventilation in the bathroom.

Furthermore, as in the case of FIG. 3 FIG. 2, the detection output of the second temperature sensor 6g for detecting the temperature of the cooling bath hot water W3, the operation of the power supply fan 6n O
Since the switching unit 6p capable of N-OFF control is provided, the temperature-decreased bathroom water W3 can always be maintained at a predetermined bathing appropriate temperature of 40 ° C. 6q indicates an AC power supply of the power supply fan 6n.

[0024]

According to the present invention, since the present invention can be configured as described above, according to the first aspect, the problem of Legionella bacterium and the like arises because the circulating bath water is heated to a predetermined high temperature by the heat sterilizing section. And the cooling / cooling unit allows the superheated cooling bath to be recirculated into the bath as a cooling bath which is suitable for bathing.
I Ru can be used without any problem at any time as a so-called 24-hour bath
It is not the only thing, but it is in front of the circulating pipe, and it is equipped with a disinfecting part that has been used independently so far, so the effect as a disinfecting part can be demonstrated without hindrance from Rukoto can be, Ru can be provided to bather the benefits of synergistic effects.

According to the second aspect of the present invention , a heat exchanger, a combustion apparatus, and a temperature control mechanism are used in the heat sterilizing section, and cooling water such as tap water is used in the cooling / cooling section. to facilitate thereby is to be able to reliably achieve the above effects were Setsuji by claim 1, claim 3
In the, compared to the cooling cooling unit In the claims 2 was water-cooled, since air cooling by the electric fan, by this, also for ventilation and drying requirements in the bathroom, to fulfill this It becomes possible.

[Brief description of the drawings]

FIG. 1 is a schematic view showing the entire configuration of a partly cutaway view of a conventional bath and hot water circulating and constant temperature purifying apparatus.

FIG. 2 is a schematic view of the entire structure in which a part of the device according to the first and second aspects is cut away.

Figure 3 is an overall configuration substantially示図shown by cutaway portions before the apparatus according to claim 3.

FIG. 4 is a schematic view showing the entire configuration of a partly cutaway view of a conventional circulating and constant temperature purifying apparatus for hot and cold bathtub water.

[Explanation of symbols]

1a Bathtub 2a Circulation outlet 2b Circulation inlet 3 Circulation pump 4 Circulation pipe 5 Heat sterilization unit 5b Heat exchanger 5c Heat exchange pump 5d Heat exchange pipe 5e Heating unit 5f Combustion appliance 5g First temperature sensor 5i First open / close valve 6 Cooling Cooling unit 6a Cooling unit 6b Water cooler 6c Cooling water passage 6d Cooling water inlet 6e Cooling water outlet 6g Second temperature sensor 6h Second open / close valve 6i Air cooler 6j Vent passage 6k Inlet vent 6m Outlet vent 6n Electric fan 6p Switching unit 7a Filter 7b Different Kinds of Sterilization Part 7c Different Kinds of Sterilization Part CW Cooling Water W Bathtub Hot Water W1 Heating Bath Hot Water W2 Heat Exchange Hot Water W3 Cooling Bath Hot Water

Continuation of front page (56) References JP-A-6-165978 (JP, A) JP-A-10-267394 (JP, A) JP-A-10-267390 (JP, A) JP-A-10-66656 (JP, A) JP-A-8-132058 (JP, A) JP-A-8-10303 (JP, A) JP-A-10-9667 (JP, A) JP-A-9-164090 (JP, A) 8-309118 (JP, A) JP-A-6-66657 (JP, A) JP-A-2-38043 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) C02F 1/02 A47K 3/00 F24H 1/00 F24H 9/00 B01D 35/02

Claims (3)

(57) [Claims] 1. A circulation outlet and a circulation inlet provided in a bathtub,
The tub is connected by a circulating pipe so that the bath water is circulated by the circulating pump via the filter.
A required number of different types of sterilizing units are provided in parallel on the downstream side of the circulating pump, and further, on the upstream side of the circulating pipe on the downstream side, a heating sterilizing unit capable of raising the temperature of the circulating bath water to 60 ° C. or more. There is attached, and on the downstream side of the circulation pipe, bathtub hot water circulating thermostat, characterized in that cooling cooling section which enables cooling the Atsushi Nobori tub hot water by the heat sterilization unit until the bathing suitable temperature is attached Purification device. 2. A circulation outlet and a circulation inlet provided in the bathtub,
The tub is connected by a circulating pipe so that the bath water is circulated by the circulating pump via the filter.
In the subsequent stage of the circulating pump was attached heterogeneous sterilizing unit of a required number of parallel, further, in the lower <br/> stream side of the circulation pipe at the rear stage side, raising the bath hot water circulating in the 60 ° C. or higher The heat sterilization unit attached so as to be able to warm, a heat exchanger attached downstream of the circulation pipe, a heat exchange pipe that recirculates the hot and cold water in the heat exchanger with a heat exchange pump, ON-OFF control of the supply of fuel gas to the combustion appliance is performed by a combustion appliance for heating the heating section of the heat exchange pipe and a detection output signal of a first temperature sensor for detecting the temperature of the heat exchange hot water. The cooling / cooling unit, which is provided on the downstream side of the circulation pipe and is capable of lowering the temperature of the heating bath water by the heating and sterilizing unit to a suitable temperature for bathing, is provided on the cooling unit provided in the circulation pipe. To fit the cooling water passage A water cooler, a cooling water inlet connected to a water supply source in the water cooler, a cooling water outlet connected to a drain port of a bathroom, and detecting a temperature of a cooling water bath at a downstream side of the cooling unit. The cooling water supplied from the water supply source to the cooling water inlet is turned on by the detection output signal of the second temperature sensor.
A constant temperature purifying apparatus for circulating hot and cold water in a bath tub, comprising a second on-off valve for performing an OFF control. 3. A circulation outlet and a circulation inlet provided in the bathtub,
The tub is connected by a circulating pipe so that the bath water is circulated by the circulating pump via the filter.
In the subsequent stage of the circulating pump was attached heterogeneous sterilizing unit of a required number of parallel, further, in the lower <br/> stream side of the circulation pipe at the rear stage side, raising the bath hot water circulating in the 60 ° C. or higher The heat sterilization unit attached so as to be able to warm, a heat exchanger attached downstream of the circulation pipe, a heat exchange pipe that recirculates the hot and cold water in the heat exchanger with a heat exchange pump, ON-OFF control of the supply of fuel gas to the combustion appliance is performed by a combustion appliance for heating the heating section of the heat exchange pipe and a detection output signal of a first temperature sensor for detecting the temperature of the heat exchange hot water. The cooling / cooling unit, which is provided on the downstream side of the circulation pipe and is capable of lowering the temperature of the heating bath water by the heating and sterilizing unit to a suitable temperature for bathing, is provided on the cooling unit provided in the circulation pipe. Fitted to form a vent, An air cooler having an inflow ventilation port and an outflow ventilation port, an electric fan disposed in the ventilation tunnel to blow air from the cooling section to the outflow ventilation port, and a temperature-lowering bathtub water temperature downstream of the cooling section. A circulating constant temperature purifying apparatus for hot and cold bath tubs, comprising: a switching unit for ON / OFF controlling the operation of the electric fan according to a detection output signal of a second temperature sensor to be detected.