JPH0866682A - Ionic water forming device - Google Patents

Abstract

PURPOSE: To produce an alkaline ionic water and an acidic water stable in water quality by detecting a flow rate of the alkaline ionic water and/or the acidic water formed in an electrolytic cell and controlling an impressing voltage between electrodes based on the detected flow rate. CONSTITUTION: City water or a raw water obtained by adding a chloride ion to the city water is supplied to the electrolytic cell 10, and also a prescribed voltage is impressed between the electrodes 20 and 21 of the electrolytic cell to electrolyze the water, and the alkaline ionic water is took out from an alkaline water passage 22 and the acidic water is took out from an acidic water passage 23 respectively to be used. A rate of water supply to the electrolytic cell 10 and the flow rate of the alkaline ionic water and the acidic water formed at the electrolytic cell 10 are detected by flow rate sensors 16 and 24 during impressing the voltage between the electrodes 20 and 21, and the impressing voltage between the electrodes 20 and 21 is controlled based on the detected flow rate and an energizing rate between the electrodes 20 and 21. In this way, the alkaline ionic water and the acidic water stable in water quality are obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ion water generator for electrolyzing tap water or the like in an electrolytic cell to generate alkaline ionized water and acidic water.

[0002]

2. Description of the Related Art In a system for producing alkaline ionized water and acidic water by continuously supplying tap water or the like to an electrolytic cell provided with at least a pair of electrodes and electrolyzing it, for example, Japanese Patent Laid-Open No.
As shown in Japanese Patent No. 1544781, tap water is filtered by a water purification tank and then supplied to an electrolyzer to be electrolyzed into alkaline ionized water and acidic water. Is an ion water generator for general households that drains water, or, for example, as shown in Japanese Patent Application Laid-Open No. 4-330986, salt water is electrolyzed by an electrolytic cell to generate strongly acidic water having a high hydrogen ion concentration, and generated. There is one that uses the strongly acidic water for sterilization of medical equipment.

[0003]

On the other hand, in the above-mentioned general household ion water generator, the apparatus main body is installed on a sink or the like, and the generated alkaline ionized water is supplied from a water supply pipe fixed to the upper part of the apparatus main body. The generated acid water is drained to the sink of the sink by a resin hose connected to the back of the device body, etc., so the device body moves and the hose is blocked,
Due to the blockage, there is a problem that the flow rate on the alkaline ionized water side increases and the ion concentration changes.

Further, in the above-mentioned ion water producing apparatus for producing strongly acidic water used for hospitals and the like, it is used by being mounted on a moving stand with wheels because the apparatus main body is large. However, there is a problem that the drain hose that drains the alkaline ionized water is blocked by the movement, and acidic water having a concentration different from the set concentration is generated.

Therefore, it is an object of the present invention to prevent fluctuations in the concentration of produced water due to blockage of a water supply passage for supplying alkaline ionized water or acidic water produced by an electrolytic cell.

[0006]

According to the present invention, at least a pair of electrodes is provided in an electrolytic cell for continuously supplying tap water, etc., and a DC voltage is applied between these electrodes to convert tap water into alkaline ionized water. At least one of a water supply amount detecting means for detecting a water supply flow rate to the electrolytic cell, an alkaline water channel for taking out alkaline ionized water from the electrolytic cell, or an acidic water channel for taking out acidic water in the ionized water production apparatus which takes out while electrolyzing into acidic water And a control means for controlling the applied voltage between the electrodes in accordance with the amount of current flowing between the electrodes and the outputs of the generated water flow rate detection means and the water supply amount detection means. It is a thing.

Further, according to the present invention, at least a pair of electrodes are provided in an electrolytic cell for continuously supplying tap water and the like, and a DC voltage is applied between these electrodes to electrolyze the tap water into alkaline ionized water and acidic water. In the ionized water producing device to be taken out while the produced water flow rate detecting means for detecting the flow rates of both the alkaline water channel for taking out the alkaline ionized water from the electrolytic cell and the acidic water channel for taking out the acidic water, the output of this produced water flow rate detecting means and the electrode A control means for controlling the voltage applied between the electrodes according to the amount of current applied between them is provided.

Further, according to the present invention, at least a pair of electrodes is provided in an electrolytic cell for continuously supplying raw water prepared by adding chlorine ions to tap water, and a direct current voltage is applied between these electrodes to convert the raw water into alkaline ionized water. In an ionized water generator for electrolyzing into acidic water and acidic water, the generated water flow rate detecting means for detecting the flow rate of the acidic water channel for taking out the acidic water from the electrolytic cell, and the output of this generated water flow rate detecting means and the amount of electricity between the electrodes Control means for controlling the voltage applied between the electrodes according to the above.

Further, the present invention is provided with a water supply means for controlling the supply of tap water or the like to the electrolytic cell, and the control means comprises:
A limiting means is provided for issuing a warning when the applied voltage between the electrodes exceeds a preset range, and for stopping the water supply to the electrolytic cell by the water supply means.

[0010]

[Operation] While tap water or raw water obtained by adding chlorine ions to tap water is supplied to the electrolytic cell by the water supply means, a predetermined direct current voltage is applied between the electrodes of the electrolytic cell to electrolyze the alkaline ion from the alkaline channel. Take out the acidic water from the water and the acidic water channel before use.

During the application between the electrodes, the water supply amount detecting means and the generated water flow amount detecting means detect the water supply amount to the electrolytic cell and the flow rates of the alkaline ionized water and the acidic water generated in the electrolytic cell, By controlling the applied voltage between the electrodes by the control means based on the detected flow rate and the amount of electricity flowing between the electrodes, it is possible to obtain alkaline ionized water or acidic water with stable water quality.

Further, when the applied voltage between the electrodes is controlled by the control means and the applied voltage exceeds a preset range, a warning is given by, for example, a display lamp or the like, and the limiting means electrolyzes via the water supply means. The water supply to the tank is stopped to stop the production of highly concentrated alkaline ionized water or acidic water.

[0013]

EXAMPLE An example of the present invention will be described first with reference to FIGS. 1 and 2. (1) is a generator main body detachably mounted on a mounting table (2). Water supply channel for chlorine tank (4) that stores chlorine water (3) with chlorine ions added
The chlorine water supply channel (6) connected to (5), the water supply channel (7) for supplying tap water, and the chlorine water supply channel and the water supply channel are connected to mix the water supplied from these channels. The raw water is made by using the mixer (9) for supplying water from the raw water supply channel (8) and the electrolyzer (10) for electrolyzing the raw water supplied from the mixer, and the chlorine tank (4) ) Is the above-mentioned table (2)
It is mounted on a carrier table (11) arranged in the lower part of the inside so that it can be freely taken in and out, and a water level sensor (12) is mounted below the side wall.

The water supply passage (7) is connected downstream of the water stopcock (13), and the check valve (14), the electromagnetic opening / closing valve (15), and the first flow sensor (16) are sequentially connected. With the above chlorine water supply channel
A pump (17) and a check valve (18) are sequentially connected to (6).

The electrolytic cell (10) has a first electrode (20) made of stainless steel and a second electrode made of titanium alloy with a diaphragm (19) inside.
The electrode (21) is arranged so that water near the first electrode (20) is supplied to the alkaline water channel (22) and water near the second electrode (21) is supplied to the acidic water channel (23). Connected.

(24) is a second flow rate sensor connected in the middle of the alkaline channel (22), and detects the flow rate flowing through this channel.

In FIG. 1, reference numeral (25) is an acidic water tank connected to the acidic water channel (23) through a generated water pipe (26), and a water level sensor (28) is attached to an appropriate place above the side wall (27). In addition, a faucet (29) for taking out the acidic water is attached at an appropriate place in the lower part. Reference numeral (30) is a drainage pipe connected to the alkaline water passage (22).

FIG. 3 shows a control circuit for controlling the energization of the first electrode (20), the second electrode (21) and the like. 1 flow rate sensor (16), 2nd flow rate sensor (24), water level sensor (12) (28) are connected, and the same solenoid valve (15), pump (17), first electrode (20) is also output. , The second electrode (21) and the display (22) are mainly connected.

The display (22) displays, for example, "run", "stop", "insufficient additive", "overflow", "insufficient flow", "electrode cleaning", "electrode cleaning". A light emitting lamp is arranged on the back side of the lamp, and the lamp of the corresponding character is turned on according to the situation.

The control unit (31) includes a first flow sensor (16).
The flow rate passing through the water supply passage (7) is detected by the output of the pump, the pump (17) is controlled according to this flow rate, and the chlorine ion concentration of the raw water supplied through the mixer (9) is adjusted to a predetermined value. At the same time, the amount of electricity passed between the first and second electrodes (20) and (21) is detected, and the ion concentration (pH value) of the ionized water for which this amount of electricity is set is detected.
The voltage applied between the electrodes (20) and (21) is adjusted so that the value corresponds to.

The control unit (31) also includes a second flow sensor (2
The flow rate passing through the alkaline channel (22) is detected by the output of 4), the amount of water supplied by the output of the first flow sensor (16) and the amount of chlorine water supplied by the pump (17) are compared and calculated, and the acid channel (23), when the flow rate of the alkaline ionized water passing through the alkaline channel (22) is increased due to some reason such as clogging of the produced water pipe (26), the first and second electrodes (20) and (21) The applied voltage is reduced to adjust the concentration of the acidic water generated from the acidic water channel (23) to the set value.

In the above embodiment, so-called strongly acidic water generated from the acidic water channel (23) is stored in the acidic water tank (25), and the stored strongly acidic water is taken out from the faucet (29). When using the alkaline ionized water produced from the alkaline channel (22) used in general households for drinking water, etc., the flow rate through the alkaline channel (22) increased. In this case, the applied voltage between the first and second electrodes (20) and (21) is increased to adjust the alkaline ionized water to a preset concentration.

Further, in the embodiment shown in FIG. 2, the second flow sensor (24) is provided in the alkaline channel (22).
As shown in, a third flow rate sensor (25) may be provided in the acidic water channel (23) to directly detect the flow rate of each water channel.

Further, the control section (31) adjusts the applied voltage between the first and second electrodes (20) and (21) by the first, second and third flow rate sensors (16) (24). If the flow rate detected by (25) exceeds the adjustment range of the applied voltage, the solenoid valve (1
5) is closed to stop the water supply to the electrolytic cell (10) and
The voltage application to the second electrodes (20) (21) is stopped, and the display (2
Warning is given by turning on “Flow rate over” or “Flow rate insufficient” in 2).

Next, the operation of the embodiment of the present invention will be described. When the operation is started, the electromagnetic control valve (15) is opened by the control section (31) to supply tap water to the electrolytic cell (10) and, at the same time, the pump.
Operate (17) and mix chlorine water (3) in chlorine tank (4) with a mixer.
Water is supplied to (9) and mixed with the tap water to supply water to the electrolytic cell (10).

At the same time, a DC voltage is applied between the first and second electrodes (20) and (21) to cause electrolysis in the electrolytic cell (10), and alkaline ionized water is discharged from the alkaline water channel (22) to the acidic water channel. Strong acid water is generated from (23). In the embodiment, alkaline ionized water is drained through the drainage pipe (30), and strong acid water is stored in the acidic water tank (25) through the generated water pipe (26).

[0027]

According to the structure of the present invention, by detecting the flow rate of at least one of alkaline ionized water and acidic water generated in the electrolytic cell and controlling the voltage applied between the electrodes in accordance with the detected flow rate, the generated water is generated. Even if the water channel that supplies water is blocked for some reason and the flow rate of the generated water fluctuates, the concentration of the generated water to be used can be adjusted to the set concentration and the generated water with stable water quality can be supplied.

Further, according to the configuration of the present invention, when the flow rate of the generated water fluctuates greatly and the applied voltage exceeds the adjustment range, the supply of water to the electrolytic cell is stopped to stop the generation of the generated water to set the concentration. It is possible to reliably prevent the supply of produced water that exceeds the limit.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment according to the present invention.

FIG. 2 is a schematic configuration diagram similarly showing an embodiment.

FIG. 3 is a block diagram showing a control circuit of the same.

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

[Explanation of symbols]

 3 Chlorine water 7 Water supply passage 10 Electrolyzer 15 Electromagnetic on-off valve 16 1st flow sensor 20 1st electrode 21 2nd electrode 22 Indicator 24 2nd flow sensor 25 3rd flow sensor 31 Controller

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Fumio Nakagawa 3-201 Minamiyoshikata, Tottori City, Tottori Prefecture Tottori Sanyo Electric Co., Ltd.

Claims (4)

[Claims] 1. At least a pair of electrodes is provided in an electrolytic cell for continuously supplying tap water, etc., and tap water is electrolyzed into alkaline ionized water and acidic water by applying a DC voltage between these electrodes and is taken out. In the ion water generation device, a water supply amount detecting means for detecting a water supply flow rate to the electrolyzer and an alkali water channel for taking out alkaline ionized water from the electrolyzer or an acid water channel for taking out acidic water is generated to detect a flow rate. The present invention is characterized in that a water flow rate detecting means, an output of the generated water flow rate detecting means and the output of the water supply amount detecting means, and a control means for controlling an applied voltage between the electrodes in accordance with an energization amount between the electrodes are provided. Ion water generator. 2. At least a pair of electrodes is provided in an electrolytic cell for continuously supplying tap water, etc., and tap water is electrolyzed into alkaline ionized water and acidic water by applying a DC voltage between these electrodes and is taken out. In the ionized water generator, generated water flow rate detecting means for detecting the flow rates of both the alkaline water channel for taking out alkaline ionized water and the acidic water channel for taking out acidic water from the electrolytic cell, and the output of this produced water flow rate detecting means and the electrode And a control means for controlling the voltage applied between the electrodes in accordance with the amount of current applied to the ion water generator. 3. At least a pair of electrodes is provided in an electrolytic cell for continuously supplying raw water obtained by adding chlorine ions to tap water, and a direct current voltage is applied between these electrodes so that the raw water is acidified with alkaline ionized water. In an ionized water producing device that takes out while electrolyzing into water, a generated water flow rate detecting means for detecting a flow rate of an acidic water channel for taking out acidic water from the electrolytic cell, and an output of the generated water flow rate detecting means and an energization amount between the electrodes. And a control means for controlling the applied voltage between the electrodes according to the above. 4. A water supply means for controlling the supply of tap water or the like to the electrolytic cell is provided, and a warning is given to the control means when the applied voltage between the electrodes exceeds a preset range, and the water supply means is provided. 4. The ionized water generator according to claim 1, 2 or 3, wherein a limiting means for stopping water supply to the electrolytic cell is provided.