JP2745181B2 - Water conversion bath - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an acidic ion value of hot water in a bathtub by adding an electrolytically generated acidic ion to hot water in a bathtub to provide an astringent effect and a sterilizing effect, and controlling the degree of electrolytic generation. Is a water quality conversion bath for maintaining a predetermined value.

[0002]

2. Description of the Related Art FIG. 7 is a schematic view showing an example of a conventional bath water quality converter. 1 is a bathtub, 2 is a circulation pump provided in a circulation path R for circulating hot water in the bathtub 1, 3 is a bathtub 1
A warmer for keeping the temperature of the hot water in the inside constant, 4 is a circulation route R
The temperature sensor 5 measures the temperature of the hot water circulating in the hot water and transmits it to the warmer. The filter 5 removes dust mixed in the hot water circulating in the circulation path R. In the bath water quality converter configured as described above, the hot water in the bathtub 1 is circulated through the circulation path R by the circulation pump 2. At this time, the temperature sensor 4 measures the temperature of the circulating hot water, and the warmer 3 raises and lowers the temperature of the circulating hot water according to the measured value to maintain the temperature at a desired constant value. Also,
The dust mixed in the hot water in the bathtub 1 and circulating through the circulation path R is removed by the filter 5.

FIG. 8 is a schematic view showing an example of a conventional electric water heater for bath. 6 is a hot water storage tank, 7 is a heating element attached to the lower part of the hot water storage tank 6, 8 is a temperature controller of the heating element 7, and 9 is an electric mixing valve. Reference numeral 10 denotes a first pipe having one end connected to a water supply unit and the other end connected to a lower portion of the hot water storage tank 6, 11 a pressure reducing valve provided upstream of the first pipe 10, and 12 a first end. A second pipe branched from the pipe 10 and having the other end connected to the electric mixing valve 9, and a third pipe 13 having one end connected to the upper portion of the hot water storage tank 6 and the other end connected to the electric mixing valve 9. . Reference numeral 14 denotes a relief valve provided above the hot water storage tank 6. Reference numeral 15 denotes a fourth pipe connecting the electric mixing valve 9 and the bathtub 1, 16 denotes a solenoid valve provided on the fourth pipe 15, 17 denotes a water level of the bathtub 1 attached to the fourth pipe 15 and the solenoid valve 16. Is a water level sensor that notifies 18
Is a temperature sensor provided in the fourth pipe 15, which notifies the electric mixing valve 9 of the temperature of hot water passing through the fourth pipe 15.

In the electric water heater for a bath constructed as described above, water supplied at a constant pressure from one end of the first pipe 10 via a pressure reducing valve 11 is stored in a hot water storage tank 6, where a heating element is provided. Heated by 2 and boiled. The temperature of the hot water is measured by the temperature controller 8, the heating temperature of the heating element 2 is controlled so as to be a predetermined temperature, and the water in the hot water storage tank 6 is maintained at a constant temperature. The expansion water being boiled is discharged to the outside via the relief valve 14. The hot water boiled in this way is the third from the top of the hot water storage tank 6.
The water branched from the first pipe 10 and supplied to the second pipe 12 reaches the motor-operated mixing valve 9 through the pipe 13, and the hot water and the water are mixed there. Is done.

At this time, the mixing ratio of hot water and water is controlled by the electric mixing valve 9.
Will be adjusted by That is, the temperature of the mixed hot water when the temperature sensor 18 flows out of the electric mixing valve 9 to the fourth pipe 15 is measured, and the result is notified to the electric mixing valve 4 to adjust the mixing ratio of hot water and water. Set to a predetermined temperature. The mixed hot water whose temperature has been adjusted in this manner passes through the fourth pipe 15 and passes through the bathtub 1.
Leads to. When the hot water in the bathtub 1 becomes higher than a certain level, the water level sensor 17 senses this and notifies the solenoid valve 16, the solenoid valve 16 closes and the hot water supply stops. On the other hand, when the hot water in the bathtub 1 falls below a certain water level, the water level sensor 17 senses this and notifies the electromagnetic valve 16, and the electromagnetic valve 16 opens to start hot water supply.

FIG. 9 is a schematic view showing an example of a conventional bathtub filtration device disclosed in, for example, Japanese Patent Application Laid-Open No. 3-106492, and FIG. In this bathtub filtration device, a circulation device 20 is provided in a circulation water passage 19 of the bathtub 1, and the circulation device 20 circulates hot water in the bathtub. A filtering device 22 is provided in the circulating water channel 19 and a filter 21 is provided inside the filtering device 22. This filter 21
The first electrode 23 comes into contact with the second electrode 24 in an insulated state, and the first electrode 23 and the second electrode 24
A control device 25 for applying a voltage is provided between the electrodes 23 and 24 to control various bacteria in the hot water by the voltage applied to the electrodes 23 and 24.

FIG. 11 is a schematic view showing an example of a conventional bathtub water disinfection / purification apparatus disclosed in Japanese Patent Application Laid-Open No. 3-191. In this bathtub water sterilizing and purifying apparatus, bathtub water is circulated from the bathtub 1 to the outside thereof, and a circulation pump 27, a filter 28, and a power supply are supplied through a circulation path 26 to a constant-current DC power supply 3.
The electrolyzer 29 is set to 0, and the circulating water is electrolyzed and sterilized by the electrolyzer 29. FIGS. 12 and 13 are schematic views showing another example of the bathtub water disinfection / purification apparatus, in which a pressure switch 31, an electrolyte tank 32, and an electrolyte injection means (metallic material) for keeping the electrolyte concentration of the bathtub water constant. An anode electrolytic device 33 is provided.

[0008]

In the conventional bath water quality converter (FIG. 7) configured as described above, the hot water in the bathtub 1 is kept warm and purified. There is no change. In the electric water heater for a bath (FIG. 8), the hot water boiled in the hot water storage tank 6 is adjusted to a temperature required for bathing and supplied. However, the hot water boiled only by boiling the water to a certain temperature. Has no germicidal effect and does not give a good effect on the skin. In addition, the expansion water from the relief valve 14 is drained to the outside unnecessarily. Further, in the filter device for a bathtub (FIGS. 9 and 10), the filter 22 is provided with a bactericidal effect to remove various germs from the hot water in the circulating water channel 19 and clean the water.
It does not have a good effect on the skin. Furthermore, in the bathtub water sterilizing and purifying apparatus (FIGS. 11, 12, and 13), dust and the like are removed by the filter 28 and the inside of the bathtub 1 is sterilized by electrolysis. You can't always get good hot water for your skin by controlling.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has as its object to obtain a water quality conversion bath that changes hot water in a bathtub to hot water having a constant acidity having an astringent effect. Another object of the present invention is to provide a water quality conversion bath capable of always supplying acidic water having an astringent effect to a bathtub with a constant acidity and recovering expanded water from a relief valve.

[0010]

The water conversion bath according to the present invention is provided with a bath having circulation means for circulating hot water, a + electrode and a-electrode in a separation tank separated by an ion exchange membrane, and supplied from the bath. A voltage is applied to the positive electrode and the negative electrode to electrolyze the hot water into acidic ions and alkali ions, and an electrolyzed water container is provided for returning the acidic ion hot water to the bath. The acidity of the hot water in the bath is measured. In addition, the power supply voltage applied to the electrodes is controlled based on the measurement result.

Further, the water conversion bath according to the present invention comprises a hot water storage tank for controlling the temperature of water by controlling a heating element by a temperature controller, and a positive electrode and a negative electrode in a separation tank separated by an ion exchange membrane. Provided, a container for electrolyzed water that electrolyzes water supplied in a fixed amount in the separation tank into acidic ions and alkali ions by a positive electrode and a negative electrode, and hot water supplied from a hot water storage tank and supplied from a container for electrolytic water. Mixing means for mixing the acidic ionized water and supplying to the bath, and a measuring means for measuring the acidity of the mixed hot water flowing out of the mixing means into the bath,
The acidity of the mixed hot water flowing out of the mixing means into the bath is measured by the measuring means, and the power supply voltage applied to the electrodes is controlled based on the measurement result.

[0012]

[Effect] The hot water in the bathtub is sent to the electrolytic water container by a circulation pump to be electrolyzed, and the generated acidic ions are returned to the bathtub. The acidity of the hot water in the bathtub is measured, and the measured value controls the DC power supply of the electrolytic water container to maintain the acid concentration constant.

Further, the hot water boiled in the hot water storage tank and the electrolyzed acidic ion water are mixed by an electric mixing valve, and the acidity of the mixed hot water is measured. To maintain the acid concentration constant.

[0014]

【Example】

Embodiment 1 FIG. 1 is a schematic diagram showing a first embodiment of the present invention. 1 is a bathtub, 2 is a circulation path R for circulating hot water in the bathtub 1
, A circulation pump R, a circulation path R
A temperature sensor 5 for measuring the temperature of the hot water is a filter. 3
Reference numeral 4 denotes an electrolyzed water container provided in the circulation path R, which electrolyzes hot water flowing through the circulation path R to generate electrolyzed water. Reference numeral 35 denotes an ion exchange membrane for separating the electrolyzed water container 34 into two tanks, that is, tank A and tank B, reference numeral 36 denotes a DC power supply, and reference numeral 37 denotes a ferrite electrode (+) inserted into the tank A and connected to the positive electrode of the DC power supply 36.
Electrodes), 38 are stainless steel plate electrodes (-electrodes) inserted into the B tank and connected to the negative pole of the DC power supply 36, and 39 measures the PH value in the bathtub 1 and transmits the value to the DC power supply 36. And a pH sensor for controlling the voltage of the DC power supply 36.

Next, the operation of the first embodiment configured as described above will be described. The hot water in the bathtub 1 is extruded into the circulation path R by the circulation pump 2, and first, dust mixed in the hot water in the bathtub 1 is removed by the filter 5. Next, the hot water is supplied into the electrolyzed water container 34, where it is electrolyzed by the voltage applied to the + electrode 37 and the −electrode 38. Thus, the acidic ion water and B
Alkaline ion water is electrolytically generated in the tank. The acidic ionized water in the tank A is sent to the circulation path R from the lower part of the tank A to the bathtub 1, and the alkaline ionized water in the tank B is discharged to the outside from the lower part of the tank B. Then, the temperature of the acidic ion water flowing from the bath A to the bath tub 1 is measured by the temperature sensor 4, and the temperature of the circulating hot water is maintained at a constant temperature by controlling the heating element of the warmer 3. In this way, the circulating water returns to the bathtub 1, but the C
When l ₂ is present, a reaction of Cl ₂ + H ₂ O → HClO + HCl occurs, and HClO is generated in the bath 1 to produce a sterilizing effect.

The hot water returned into the bathtub 1 is supplied to a pH sensor 39.
The degree of electrolysis is controlled by controlling the power supply 36 so that the acidity becomes a weakly constant acidity (for example, PH5 to 6), and the inside of the bathtub 1 is maintained at a constant PH value. . Therefore, the hot water in the bathtub 1 always shows a certain acidity, and has a sterilizing and astringent action. It also neutralizes the alkalinity of the skin caused by soap washing and tightens the skin to create a smooth skin. Further, the bathtub 1 is hardly stained with water and hardly stained.

Embodiment 2 FIG. 2 is a schematic view showing a second embodiment of the present invention. Second
In this embodiment, the warmer 3 and the temperature sensor 4 shown in the first embodiment are omitted. When the heat insulator 3 and the temperature sensor 4 are omitted, the apparatus itself is configured at low cost and is economical.

Embodiment 3 FIG. 3 is a schematic view showing a third embodiment of the present invention. Third
In this embodiment, the filter 5 shown in the second embodiment is omitted. When the water purification function by the filter 5 is not required, the apparatus itself is configured at low cost and is economical.

Embodiment 4 FIG. 4 is a schematic view showing a fourth embodiment of the present invention. Reference numeral 6 denotes a hot water storage tank, 7 denotes a heating element attached to a lower portion of the hot water storage tank 6, 8 denotes a temperature controller for adjusting the temperature of the heating element 7, and 9 denotes an electric mixing valve. 34 is a container for electrolyzed water for producing electrolyzed water, 35 is an ion exchange membrane for separating the container for electrolyzed water 34 into A tank and B tank, 36 is a DC power supply, and 37 is a DC power supply 3.
Ferrite electrode (+ electrode) connected to + electrode of 6, 38
Is a stainless steel plate electrode (-electrode) connected to the negative electrode of the DC power supply 36, and 40 is a ball tap for controlling the amount of water supplied into the electrolytic water container 10 to maintain the water level at a constant value.

Reference numeral 10 denotes a first pipe having one end connected to a water supply section and the other end connected to a lower portion of the hot water storage tank 6, 11 a pressure reducing valve provided upstream of the first pipe 10, and 41 a one end. A fifth pipe 13 branches from the first pipe 10 and has the other end connected to the ball tap 40. A third pipe 13 has one end connected to the upper portion of the hot water storage tank 6 and the other end connected to the electric mixing valve 9. is there. Reference numeral 14 denotes a relief valve provided above the hot water storage tank 6. 42 is a sixth pipe having one end connected to the bottom of the electrolyzed water container 34 on the A-tank side and the other end connected to the electric mixing valve 9;
Reference numeral 43 denotes an A of the electrolytic water container 34 provided in the sixth pipe 16.
A hot water supply pump 15 for pressurizing the acidic water in the tank is a fourth pipe having one end connected to the electric mixing valve 9 and the other end connected to the bathtub 1. Reference numeral 16 denotes an electromagnetic valve provided in the fourth pipe 15, and reference numeral 17 denotes a water level sensor that notifies the electromagnetic valve 16 of the water level of the bathtub 1 and controls the opening and closing of the electromagnetic valve 16. Reference numeral 18 denotes a temperature sensor provided in the fourth pipe 15 for controlling the opening and closing of the electric mixing valve 9 by notifying the electric mixing valve 9 of the temperature of the hot water in the fourth pipe 15. 3
Reference numeral 9 denotes a pH sensor provided in the fourth pipe 15,
The PH value of the hot water passing through the pipe 15 is measured, and the measured value is transmitted to the DC power supply 36 to control the DC power supply 36.

Next, a description will be given of a fourth embodiment configured as described above. First, the pressure reducing valve 1 provided in the first pipe 10
1, water is supplied into the hot water storage tank 6 at a constant pressure. Thus, the water stored in the hot water storage tank 6 is boiled by the heating element 7, but the temperature of the hot water is measured by the temperature controller 8, and the temperature of the heating element 7 is controlled to maintain the temperature of the hot water at a constant value. I do. The expansion water being boiled is collected in the electrolytic water container 34 via the relief valve 14. The hot water in the electrolyzed water container 34 thus boiled is guided from the upper portion of the electrolyzed water container 34 to the electric mixing valve 9 through the third pipe 13. On the other hand, a part of the supply water that has passed through the pressure reducing valve 11 flows into the fifth pipe 41, is supplied into the electrolytic water container 34, and is maintained at a constant water level. Thus, the container for electrolyzed water 3
The water supplied into 4 is electrolyzed by applying a voltage from a DC power supply 36 to a positive electrode 37 and a negative electrode 38. As a result, acidic ionized water is generated on the side of the A tank where the + electrode 37 is inserted, and alkaline ionized water is generated on the side of the B tank where the − electrode 38 is inserted. Then, the alkaline ionized water is discharged from the bottom of the tank B, and the acidic ionized water is pressurized by the pressure pump 43 and guided to the electric mixing valve 9.

The hot water boiled by the hot water storage tank 6 and the acidic ionized water electrolyzed by the electrolyzed water container 34 are guided to the electric mixing valve 4 and mixed there. The mixed hot water whose temperature has been adjusted reaches the bathtub 1 through the fourth pipe 15. At this time, the acidity of the mixed hot water passing through the fourth pipe 15 is measured by the pH sensor 39, and the power source 36 is controlled to control the degree of electrolytic generation. Thus, the electrolyzed water in the electrolyzed water container 34 is set to a weakly acidic constant acidity (for example, PH5 to 6), and the PH value of the acidic ionized water, that is, the PH value in the bathtub 1 is kept constant. On the other hand, the temperature of the acidic ionized water flowing through the fourth pipe 15 is measured by the temperature sensor 18, and the result is notified to the electric mixing valve 9, and the valve of the electric mixing valve 9 determines the mixing ratio of the hot water and the acidic ionized water. Adjust to a predetermined temperature.

The mixed hot water adjusted to a constant PH value and a constant temperature in this way reaches the bathtub 1 through the fourth pipe 15.
When there is Cl ₂ in the bathtub 1, a reaction of Cl ₂ + H ₂ O → HClO + HCl occurs, and HClO is generated in the bathtub 1, resulting in a sterilizing effect. When the hot water in the bathtub 1 becomes equal to or higher than a predetermined water level, the water level sensor 17 senses this and notifies the electromagnetic valve 16, closes the electromagnetic valve 16 and stops hot water supply. Meanwhile, bathtub 1
When the internal hot water falls below a certain water level, the water level sensor 17 senses this and notifies the solenoid valve 16 to open the solenoid valve 16 to start hot water supply. Therefore, the hot water in the bathtub always has a certain acidity and shows sterilization and astringent action, etc.It also neutralizes the alkalinity of the skin by washing with soap, tightens the skin, creates smooth skin, It is hard to scale and hard to get dirty.
Further, the expansion water from the hot water storage tank is collected to eliminate waste water.

Embodiment 5 FIG. 5 is a schematic view showing a fifth embodiment of the present invention. Fifth
In this embodiment, the solenoid valve 16 and the water level sensor 17 shown in the fourth embodiment are omitted. According to the fifth embodiment, the opening and closing of the faucet 44 is manually adjusted to adjust the amount of hot water in the bathtub 1. When automatic hot water supply to the bathtub 1 at a constant water level is not required, the apparatus itself can be inexpensive and economical. When the faucet 44 is a shower port, shower hot water at a constant temperature and a constant acidity can be supplied. Further, when used in the kitchen by utilizing the cleaning power and the sterilizing power, it is possible to wash dishes, towels, towels and the like.

Embodiment 6 FIG. 6 is a schematic view showing a sixth embodiment of the present invention. Sixth
In this embodiment, the temperature sensor 18 shown in the fifth embodiment is omitted. When the electric mixing valve 9 is manually adjusted, the apparatus itself can be inexpensive and economical.

[0026]

As is apparent from the above description, according to the water conversion bath of the present invention, the hot water in the bathtub is sent to the electrolytic water container to be electrolyzed, and the acidic ion water generated here is converted into the bathtub. In addition to measuring the acidity of the hot water in the bathtub, the DC power supply is controlled based on the measured value to maintain a constant acid concentration, and the hot water boiled in the hot water storage tank and the electrolytically generated acid ions Water is mixed with an electric mixing valve,
The acidity of the mixed hot water is measured, and the DC power supply is controlled based on the measured value to keep the acid concentration constant, so that hot water with a constant acidity can always be supplied, and effects such as sterilization and astringent action are obtained. Yes, it has the effect of neutralizing the alkalinity of the skin by washing with soap, tightening the skin and creating a smooth skin.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a first embodiment of the present invention.

FIG. 2 is a schematic diagram showing a second embodiment of the present invention.

FIG. 3 is a schematic diagram showing a third embodiment of the present invention.

FIG. 4 is a schematic diagram showing a fourth embodiment of the present invention.

FIG. 5 is a schematic view showing a fifth embodiment of the present invention.

FIG. 6 is a schematic diagram showing a sixth embodiment of the present invention.

FIG. 7 is a schematic diagram showing an example of a conventional bath water quality converter.

FIG. 8 is a schematic view showing an example of a conventional electric water heater for bath.

FIG. 9 is a schematic view showing an example of a conventional bathtub filtration device.

FIG. 10 is a sectional view of a main part of FIG. 9;

FIG. 11 is a schematic view showing one example of a conventional bathtub water sterilization and purification device.

FIG. 12 is a schematic view showing another example of a conventional bathtub water sterilization and purification device.

FIG. 13 is a schematic view showing another example of a conventional bathtub water sterilization and purification device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bathtub 2 Circulation pump 6 Hot water storage tank 7 Heating element 8 Temperature controller 9 Electric mixing valve 34 Electrolyzed water container 35 Ion exchange membrane 36 Power supply 37 + Electrode 38-Electrode 39 pH sensor 40 Ball tap A, B Separation tank R Circulation path

Claims (2)

(57) [Claims] 1. A bath having a circulation means for circulating hot water, and a positive electrode and a negative electrode in a separation tank separated by an ion exchange membrane.
An electrolytic water container provided with an electrode, applying hot voltage supplied from the bath to the positive electrode and the negative electrode to electrolyze into acidic ions and alkali ions, and returning the acidic ion hot water to the bath; A water quality conversion bath, comprising: measuring an acidity of hot water in the bathtub; and controlling a power supply voltage applied to the electrode based on the measurement result. 2. A hot water storage tank for controlling the temperature of water by controlling a heating element, and a positive electrode and a negative electrode in a separation tank separated by an ion exchange membrane.
An electrode is provided, and water supplied to the separation tank in a fixed amount is added to the +
A container for electrolyzed water which is electrolyzed into an acidic ion and an alkali ion by an electrode and a negative electrode; a mixture of hot water supplied from the hot water storage tank and acidic ionic water supplied from the container for electrolyzed water and supplied to a bathtub Means, and measuring means for measuring the acidity of the mixed hot water flowing out of the mixing means into the bathtub, wherein the acidity of the mixed hot water flowing out of the mixing means into the bathtub is measured by the measuring means and the measurement is performed. A water quality conversion bath, wherein a power supply voltage applied to the electrode is controlled based on a result.