JP4543884B2 - Alkaline ion water conditioner - Google Patents

Description

  The present invention relates to an alkaline ion adjuster for electrolyzing raw water such as tap water to produce alkaline ionized water used for drinking and medical use, and acidic ionized water used for lotion, sterilization washing water, etc. It is about.

  In recent years, alkali ion water conditioners have become widespread as continuous electrolysis type ion generators. This alkaline ion adjuster electrolyzes tap water or the like in an electrolytic cell to generate acidic ion water on the anode side and alkaline ion water on the cathode side.

  A conventional continuous electrolysis type alkaline ion water conditioner will be described below. FIG. 6 shows a configuration diagram of a conventional alkaline ionized water device. In FIG. 6, 1 is a raw water pipe such as tap water, 2 is a faucet, 3 is an alkaline ionized water body connected to the raw water pipe 1 via the faucet 2, 4 is the residual chlorine in the raw water inside, Water purification unit equipped with activated carbon that adsorbs trihalomethane, musty odor, etc. and hollow fiber membrane that removes general bacteria and impurities with high accuracy, 5 is a flow sensor that confirms water flow and controls the controller, 6 is calcium glycerophosphate and lactic acid A calcium supply unit 7 for adding calcium ions such as calcium to the raw water to increase the raw water conductivity, and 7 electrolyzes the water flowing in via the flow sensor 5 to generate alkaline ion water and acidic ion water An electrolytic cell 8 is a diaphragm that divides the electrolytic cell 7 into two and forms an electrode chamber, and 9, 10 are electrode plates arranged in each electrode chamber formed by being divided into two by the diaphragm 8.

  Next, 11 is a drain pipe that discharges water on the electrode plate 10 side (acid ionic water when the electrode plate 10 is an anode), 12 is a drain pipe dedicated to acidic ionic water that discharges acidic ionic water, and 13 is alkaline ion water. This is a drain pipe exclusively for alkaline ionized water. Further, reference numeral 14 indicates that when the electrode plate 10 is a cathode, the water on the electrode plate 10 side is caused to flow to the drain pipe 12, and when the electrode plate 10 is an anode, the water on the electrode plate 10 side is caused to flow to the drain pipe 13. 15 is an alkaline ion water side electromagnetic valve for flowing water on the electrode plate 10 side to the drain pipe 13 when the electrode plate 10 is an anode, and 16 is water on the electrode plate 9 side (electrode plate). When 9 is a cathode, it is a water discharge pipe which discharges (alkaline ion water). Reference numeral 17 is a power-on plug, 18 is a power supply unit that converts AC power from the power-on plug 13 into DC power, 19 is a controller that controls the operation of the alkali ion water conditioner 3, and 20 is a user ion An operation display unit for selecting and setting water quality and pH intensity and various functions, 21 is a pH sensor for detecting the pH value of the generated ionic water, and 22 is a calibration liquid inlet for injecting a calibration liquid described in detail later. It is.

  Then, the operation | movement at the time of producing | generating the alkaline ionized water is demonstrated below about the conventional alkaline ionized water apparatus comprised as mentioned above. The user selects a desired water quality mode such as alkaline ion water generation mode, acidic ion water generation mode or water purification mode, and pH intensity by pressing a predetermined button on the operation display unit 20, and opens the faucet 2 to pass through. Do water.

The raw water introduced from the faucet 2 is free of impurities such as residual chlorine, trihalomethane, musty odor, and general bacteria in the raw water in the water purification unit 4, and calcium glycerophosphate and calcium lactate in the calcium supply unit 6 through the flow sensor 5. Etc. are dissolved and treated into water that is easily electrolyzed, and then introduced into the electrolytic cell 7. On the other hand, 100 VAC is supplied from the power-on plug 17, and a DC voltage / current required for electrolysis is generated by a transformer in the power supply unit 18 and a control DC power supply, and the electrode plate 9 of the electrolytic cell 7 is connected via the controller 19. , 10 is supplied with electric power necessary for electrolysis. At this time, if an electrode plate to which a positive voltage is applied relatively is an anode and an electrode plate to which a negative voltage is applied is a cathode, an anode chamber and a cathode chamber partitioned by a diaphragm 8 are formed in the electrolytic cell 7. In the alkaline ion water generation mode, the electrode plate 10 serves as an anode and the electrode plate 9 serves as a cathode. In the acidic ion water generation mode, the electrode plate 9 serves as an anode and the electrode plate 10 serves as a cathode.

  Now, after passing water, the controller 19 reads the output signal from the flow sensor 5, and determines that this state is underwater when the flow level flowing through the alkaline ionized water body 3 exceeds a certain amount per unit time. At this time, the controller 19 supplies predetermined electric power to the electrolytic cell 7 under the electrolysis conditions corresponding to the water quality mode and pH intensity that have already been selected. The ionic water generated at this time flows into the pH sensor 21 via the water discharge branch passage 23, the detected pH value is read by the controller 19 as a voltage signal, and an error with respect to the selected pH intensity is calculated. The supplied power is increased or decreased to generate ionized water having an accurate pH intensity.

  Then, the structure for the calibration of the conventional alkaline ionized water apparatus is demonstrated. FIG. 7 is a cross-sectional view of a piping portion from a calibration solution inlet to a pH sensor of a conventional alkaline ionized water device. In FIG. 7, 22 is a calibration liquid inlet, 23 is a water discharge branch passage for sending water to the pH sensor 21, 24 is a drain passage, and 25 is an air exhaust passage. The calibration liquid put in as a spoid from the calibration liquid inlet 22 flows through the water discharge branch passage 23 and flows into the pH sensor chamber 21 c below the pH sensor 21. Here, gas-liquid separation occurs, the air in the pipe is discharged from the air exhaust passage 25 to the outside of the pH detection system, and the calibration liquid is discharged from the drainage passage 24 to the outside of the pH detection system. The calibration liquid inlet 22 is disposed on the top surface of the alkali ion water adjuster body 3 and is connected in the middle of the water discharge branch passage 23. Since the amount of water required for detection by the pH sensor 21 is about 200 mL / min, it is necessary to limit the flow rate. Therefore, a restriction of about φ2 is provided in the water discharge branch passage 23 in the passage. Further, the calibration solution injection port 22 has to be disposed on the top surface in terms of gravity and workability, and the piping from the calibration solution injection port 22 to the pH sensor 21 has a configuration in which a plurality of pipes are connected. In many cases, there are many steps in the connecting portions.

Next, a calibration method for the pH sensor 21 will be described. The usage time of the alkaline ionized water device is accumulated by the controller 19 and when about 500 hours have elapsed, a display informing that the calibration time of the pH sensor 21 is reached on the operation display unit 20 appears. The user switches to the calibration mode of the pH sensor 21 by pressing a predetermined button on the operation display unit 20. About 10 mL of the calibration solution of the pH sensor 21 is separated from the dedicated container with a spoid, and the spoid is directly inserted into the inlet 22 of the alkali ion water conditioner 3 and injected into the water discharge branch passage 23. The calibration liquid passes through the piping passage and fills the pH sensor 21, and the voltage signal emitted from the pH sensor 21 is read by the controller 19 to reset the calculation error.
JP-A-9-225462

  In the conventional alkaline ionized water apparatus described above, the calibration work of the pH sensor is performed by a general user, so that the work must be easily performed without being an expert. However, in the conventional alkaline ionized water device, the piping passage from the calibration solution inlet to the pH sensor is provided with a bend, a step, and a restriction, and the length of the piping passage is large. For this reason, the escape of air in the piping is bad, the calibration solution and air are agitated, and air is bubbled and mixed in the calibration solution during calibration, so the voltage signal emitted from the pH sensor shows an abnormal value. , Causing the controller not to reset the calculation error. That is, since the completion of the calibration is not displayed on the operation display unit, the user has to repeat the calibration work many times.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an alkaline ionized water device that eliminates the presence of bubbles that cause problems in calibration, and that allows simple calibration work.

  In order to solve this problem, the present invention provides an electrolytic cell that electrolyzes supplied raw water to generate alkaline ionized water and acidic ionized water, a pH sensor that detects the pH value of the generated ionized water as a voltage signal, A control unit that controls the energization of the electrolytic cell so as to calculate the voltage signal of the pH sensor and generate ion water having a set pH value, and the electrolytic cell, the pH sensor, and the control unit are accommodated in the main body casing. The alkali ion water conditioner, which is a holder for forming a pH sensor chamber in which the pH sensor sensing unit is arranged, is divided into a calibration pipe for injecting a calibration solution and a gas-liquid separation in the pH sensor chamber. The air exhaust passage for discharging the air and the drain passage for discharging the calibration liquid after degassing are provided integrally with the pH sensor chamber, respectively. , The said pH sensor chamber is connected to the water discharge branch pipe for guiding the ion water produced, the inlet of the calibration pipe, characterized in that provided on the side surface portion of the main casing body portion.

  According to the present invention, when the calibration solution is injected, the air in the pipe can be discharged outside the pH sensor chamber, and since no bubbles are present in the calibration solution, the calibration work can be performed easily, and it is convenient and easy to assemble. A water conditioner is obtained.

  The first embodiment of the present invention includes an electrolytic cell that electrolyzes supplied raw water to generate alkaline ionized water and acidic ionized water, a pH sensor that detects a pH value of the generated ionized water as a voltage signal, pH Alkaline in which the electrolyzer, pH sensor, and control unit are housed in the main body casing are provided with a control unit that controls the energization of the electrolyzer so as to calculate the voltage signal of the sensor and generate ion water having a set pH value. A holder for forming a pH sensor chamber in which a pH sensor sensing unit is arranged, and a calibration pipe for injecting a calibration solution, and air separated into gas and liquid in the pH sensor chamber. An air exhaust passage for discharging the air and a drain passage for discharging the calibration liquid after deaeration are integrally provided in a configuration communicating with the pH sensor chamber, respectively. A water discharge branch pipe for guiding the generated ion water is connected to the chamber, and an inlet for the calibration pipe is an alkali ion water conditioner provided on the side of the body casing body. Since the exhaust passage and drainage passage are provided in a compact and integrated manner, it is possible to eliminate steps that worsen the escape of air and to make the calibration pipe short, thereby preventing air mixing and stirring. It is possible to suppress the generation of air bubbles in the calibration liquid that suppresses and adversely affects the calibration work, and further has an effect that the assembly is facilitated.

  The second form of the present invention is a form subordinate to the first form, wherein the calibration pipe has a conical passage having an injection port opened in the top surface direction, and crosses the conical passage to the holder. The alkaline ionized water device is composed of a connected short connection pipe and does not require a dedicated tool for calibration work, and thus has an effect that preparation for calibration work can be easily performed.

  A third aspect of the present invention is an alkaline ionized water device provided with a cap attached to the inlet and an exterior cover that can lock the cap, depending on the first or second embodiment. In addition, when performing the calibration work, it is not necessary to attach or remove the cap, and it has an effect that the aesthetic appearance is not impaired because the inlet is hidden by the outer cover.

The fourth form of the present invention is a form subordinate to any one of the first to third forms, and a calibrating solution container containing a proofing solution is disposed in the upper portion of the injection port in the body portion of the main body casing. And an alkaline ion adjuster in which the exterior cover that covers the calibration solution container is provided on the body, can prevent the loss of the calibration solution container, and does not impair the aesthetics because the calibration solution container cannot be seen by the exterior cover. It has the action.

  Examples of the present invention will be described below with reference to FIGS.

Example 1
FIG. 1 is a configuration diagram of an alkaline ionized water device according to Example 1 of the present invention, and FIG. 2 is a cross-sectional view of a pipe portion from a calibration solution inlet to a pH sensor of the alkaline ionized water device according to Example 1 of the present invention. is there. 1 and 2, the same reference numerals as those used in the description of the prior art are basically the same in the first embodiment, and therefore, duplicate explanations are omitted for the prior art. .

  As shown in FIG. 1, 1 is a raw water pipe such as tap water, 2 is a faucet, 3 is an alkali ion water conditioner body (main body casing of the present invention), 4 is a water purification unit, 5 is a flow sensor, and 6 is calcium. Supply section, 7 is an electrolytic cell, 8 is a diaphragm, 9 and 10 are electrode plates, 11 is a drain pipe, 12 is a drain pipe dedicated to acidic ion water, 13 is a drain pipe dedicated to alkaline ion water, 14 is a three-way valve, and 15 is an alkali. Ion water side solenoid valve, 16 is a water discharge basin, 17 is a power-on plug, 18 is a power supply unit, 19 is a controller (control unit of the present invention), 20 is an operation display unit, 21 is a pH sensor, and 22 is alkaline ion regulating It is a calibration liquid injection port (injection port of the present invention) provided on the side surface of the body of the water main body 3. A covered recess is formed in the side surface of the body, and the calibration solution inlet 22 is opened here.

  Next, a description will be given of a pH detection system that conducts pH detection by introducing ion water. As shown in FIG. 2, 21a is a sensoring portion of a pH sensor 21 such as a glass electrode, and 21b is a pH sensor 21 attached. A holder 21c for accommodating the sensoring part 21a inside, and a pH sensor chamber 21c for containing the sensoring part 21a therein and filling water discharge (ion water) and calibration liquid. 22a is a short tube provided with the calibration solution inlet 22, and 22b is a connection short tube connected to the holder 21b and crossing the short tube 22a and connected to the side surface of the short tube 22a. The pipe 22b constitutes the calibration pipe of the present invention in the first embodiment. 22c is a stopper for sealing the open end of the connecting short tube 22b, 23 is a water discharge branch passage connected to the holder 21b to supply water discharge to the pH sensor 21, 24 is a drainage passage formed in an orifice shape, 25 Is an air exhaust passage formed integrally with the holder 21b.

  The pH sensor chamber 21c is formed as an internal space when the pH sensor 21 is fixed by inserting the end on the sensor ring portion 21a side into the hole of the holder 21b. In the holder 21b, at least a short tube 22a and a connection short tube 22b, an air exhaust passage 25, and a drainage passage 24 communicate with the pH sensor chamber 21c, respectively, and have a compact integrated structure by integral molding. In some cases, including the end portion of the water discharge branch passage, an integral structure is formed by integral molding. At this time, since the free end side of the short connecting tube 22b remains as an open end, the plug 22c is inserted and sealed.

Now, since the pH detection system has such a structure, when the calibration liquid is injected from the calibration liquid injection port 22 or when the water discharge flows from the water discharge branch passage 23, the calibration liquid and the water discharge are connected to the short connection tube 22b. Alternatively, it is guided to the pH sensor chamber 21c while gas-liquid separation is performed in the water discharge branch passage 23. In the pH sensor chamber 21c, air is separated upward and the drainage passage 24 is provided with a throttle, so that the water level is pushed up, and the air is discharged from the alkaline ionized water drainage pipe 13 through the air exhaust passage 25. The At this time, the overflowing liquid is also discharged. At the same time, the calibration solution or discharged water in the pH sensor chamber 21c is degassed and discharged from the drainage passage 24 after the pH is measured by the sensoring unit 21a. At this time, a jet pump action is also added, and the water is smoothly discharged from the alkaline ionized water drain pipe 13 while mixing with the air guided from the air exhaust passage 25. Thereby, even if air is mixed in the calibration liquid and the water discharge, there is no problem in calibration or abnormal measurement values. Furthermore, since it is a compact integrated structure, assembly becomes extremely easy.

  The pH sensor 21 of Example 1 is provided on the side surface of the body of the alkaline ionized water body 3 in the same manner as shown in FIGS. 4 and 5 described later, and the calibration liquid is directly supplied from the calibration liquid inlet 22. If injection is desired, the injection operation can be performed from the side of the alkaline ionized water device. The calibration solution inlet 22 may be exposed, but it can be freely exposed by covering with an outer cover, which is preferable without deteriorating the aesthetic appearance.

  Now, the operation of generating alkaline ionized water for the alkaline ionized water device of Example 1 configured as described above will be described. First, the user selects a desired water quality mode such as alkaline ion water generation mode, acidic ion water generation mode, or water purification mode and pH intensity by pressing a predetermined button on the operation display unit 20, and opens the faucet 2 to pass through. Water. The raw water introduced from the faucet 2 removes residual chlorine, trihalomethane, musty odor, general bacteria, and other impurities in the raw water in the water purification unit 4, passes through the flow sensor 5, and is supplied with calcium glycerophosphate and calcium lactate in the calcium supply unit 6. Etc. are dissolved and treated into water that is easily electrolyzed, and then introduced into the electrolytic cell 7.

  On the other hand, 100 VAC is supplied from the power-on plug 17, and a DC voltage / current required for electrolysis is generated by a transformer in the power supply unit 18 and a control DC power supply, and the electrode plate 9 of the electrolytic cell 7 is connected via the controller 19. And 10 are supplied with electric power necessary for electrolysis. At this time, if an electrode plate to which a positive voltage is applied relatively is an anode and an electrode plate to which a negative voltage is applied is a cathode, an anode chamber and a cathode chamber partitioned by a diaphragm 8 are formed in the electrolytic cell 7. In the alkaline ion water generation mode, the electrode plate 10 serves as an anode and the electrode plate 9 serves as a cathode. In the acidic ion water generation mode, the electrode plate 9 serves as an anode and the electrode plate 10 serves as a cathode.

  When the water is passed, the controller 19 reads the output signal from the flow sensor 5 and passes this state when the flow level flowing through the alkaline ionized water body 3 exceeds a certain amount per unit time. Judge. At this time, the controller 19 supplies predetermined electric power to the electrolytic cell 7 under the electrolysis conditions corresponding to the water quality mode and pH intensity that have already been selected. The ionic water generated at this time flows into the pH sensor 21 via the water discharge branch passage 23, the detected pH value is read by the controller 19 as a voltage signal, and an error with respect to the selected pH intensity is calculated. The supplied power is increased or decreased to generate ionized water having an accurate pH intensity. Thereby, the alkaline ionized water apparatus of Example 1 can produce | generate the alkaline ionized water of desired pH intensity | strength.

  Therefore, a method for calibrating the pH sensor of the alkaline ionized water apparatus described above will be described. In the alkaline ionized water device of Example 1, the usage time is accumulated by the controller 19, and when about 500 hours have elapsed, a display for notifying that the calibration time for calibrating the pH sensor has arrived on the operation display unit 20. . When the user presses a predetermined button on the operation display unit 20 while viewing the calibration time, the mode of the alkaline ionized water device is switched to the calibration mode of the pH sensor.

  In a state where the calibration mode is switched, the calibration solution of the pH sensor 21 is poured from the calibration solution inlet 22 on the side surface of the alkaline ionized water body 3. When the pH sensor 21 is filled with the calibration solution, the sensoring unit 21a such as a glass electrode generates a potential difference proportional to pH, and the controller 19 reads this voltage signal and resets the calculation error.

At this time, in the case of the conventional alkaline ionized water device as shown in FIG. 6, the air in the pipe is mixed into the calibration liquid, and when this is mixed, the pH sensor 21 generates an abnormal voltage signal. For this reason, the controller could not reset the calculation error, and a trouble that calibration was not completed on the operation display unit occurred. However, in Example 1, since the pH sensor 21 is provided near one side surface of the trunk portion excluding the top and bottom surfaces of the alkaline ionized water body 3, the conventional calibration liquid inlet 22 is provided on the top. A long pipe that serves both for calibration and water supply as in the case where it is formed on the surface is not necessary, and the length of the short pipe 22a is two to four times that of the wetted part of the pH sensor chamber 21c. The short tube 22a is erected in a vertical direction substantially parallel to the pH sensor 21 so as to intersect with the connecting short tube 22b protruding sideways from the holder 21b. The short pipe 22a and the connecting short pipe 22b can be integrally formed into a short pipe line, thereby suppressing air mixing, diffusion and stirring, and reducing the generation of air bubbles in the calibration liquid.

  As described above, in the alkaline ionized water device of Example 1, the piping from the calibration solution inlet 22 to the pH sensor 21 is integrally formed, so that there is no step in the calibration pipeline, and the water discharge branch passage 23 and Since it is a separated configuration, it can be placed on the side surface of the alkali ion water adjuster body 3 at a location close to the pH sensor 21. As a result, the piping is shortened, the calibration liquid and the air are not agitated, and no air bubbles are present in the calibration liquid.

(Example 2)
In the second embodiment, the diameter of the calibration liquid injection port 22 is enlarged. FIG. 3 is a cross-sectional view of the piping portion from the calibration solution inlet of the alkaline ionized water device to the pH sensor in Example 2 of the present invention. In the second embodiment and the first embodiment, the same reference numerals are used to indicate the same configuration, and the description thereof is omitted because it is duplicated.

In FIG. 2, 21a is a sensor ring part, 21b is a holder, 22a ^* is a conical short pipe provided with a calibration liquid inlet 22, 22b is a connecting short pipe, 22c is a stopper, 23 is a water discharge branch passage, 24 Is a drainage passage, and 25 is an air exhaust passage. The short pipe 22a ^* and the connecting short pipe 22b constitute the calibration pipe of the present invention in the second embodiment. As in Example 1, the pH detection system has an integral structure by integral molding.

In the alkaline ionized water apparatus of Example 2, as shown in FIG. 3, the diameter of the calibration liquid injection port 22 of the short tube 22a ^* is increased to about 20 mm and reduced to about 5 mm. Yes. That is, the center line of the short tube 22a ^* is inclined, and the side surface of the short tube 22a ^{* on} the pH sensor 21 side is formed substantially parallel to the side surface of the pH sensor 21. As a result, the calibration liquid injection port 22 becomes large, and it is not necessary to separately inject the calibration liquid with a tool such as a spoid, and it is possible to inject directly from the calibration liquid container. Eliminates the hassle of storing your tools.

(Example 3)
In the third embodiment, a cap for closing the calibration liquid injection port 22 is provided to prevent detachment. FIG. 4 is a cross-sectional view of the piping and exterior part from the calibration solution inlet of the alkaline ionized water device to the pH sensor in Example 3 of the present invention. The same reference numerals are used in the third embodiment and the first and second embodiments to indicate the same configuration, and the description is omitted because they are duplicated.

In FIG. 4, 21a is a sensor ring part, 21b is a holder, 22a ^* is a conical short tube provided with a calibration solution inlet 22, 22b is a connecting short tube, 22c is a stopper, 23 is a water discharge branch passage, 24 Is a drainage passage, and 25 is an air exhaust passage. Reference numeral 26 denotes a cap for closing the calibration liquid inlet 22; 27, a seal for sealing the cap 26 and the calibration liquid inlet 22, 28: an exterior portion of the alkaline ionized water body, and 29: covering the calibration liquid inlet 22 An exterior cover 30 is a rib for preventing the cap 26 from coming off. As in Example 1, the pH detection system has an integral structure by integral molding.

  In the alkaline ionized water apparatus of Example 3, as shown in FIG. 4, the calibration liquid inlet 22 is closed by a cap 26 with a packing 27 without a lock mechanism as a means for closing the calibration liquid inlet 22. The covering cover 29 is provided with a rib 30 for preventing the cap from coming off. This eliminates the need for a special procedure for attaching and detaching the cap when the calibration work is performed, and the aesthetic appearance is not impaired because the calibration liquid inlet 22 is not visible.

Example 4
In the fourth embodiment, a storage space for the calibration solution is provided in the alkaline ionized water device. FIG. 5 is a perspective view of the alkaline ionized water device according to the fourth embodiment of the present invention as viewed from the side surface, and shows the configuration around the calibration liquid inlet 22. In FIG. 5, 31 is a calibration solution container, 32 is a calibration solution storage space, and 33 is an exterior cover that covers the calibration solution storage space for storing the calibration solution inlet 22 and the calibration solution container 31.

  In the alkaline ionized water device of Example 4, as shown in FIG. 5, the space for storing the calibration liquid container 31 is provided on the side surface of the trunk of the alkaline ionized water body 3, thereby Loss can be prevented, and the appearance is not impaired by providing an exterior cover that covers it.

  INDUSTRIAL APPLICABILITY The present invention can be used for an alkaline ionized water apparatus that is easy to operate when a user performs calibration work.

The block diagram of the alkaline ionized water apparatus in Example 1 of this invention Sectional drawing of the piping part from the calibration liquid injection port of the alkali ion water adjuster in Example 1 of this invention to a pH sensor Sectional drawing of the piping part from the calibration liquid injection port of the alkaline ionized water apparatus in Example 2 of this invention to a pH sensor. Sectional view of piping and exterior parts from the calibration solution inlet of the alkaline ionized water device to the pH sensor in Example 3 of the present invention The perspective view which looked at the alkali ion water adjuster in Example 4 of this invention from the side part Configuration of conventional alkaline ionized water device Sectional view of the piping section from the calibration solution inlet to the pH sensor of a conventional alkaline ionized water device

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Raw water pipe 2 Water faucet 3 Alkali ion water conditioner body 4 Water purification part 5 Flow rate sensor 6 Calcium supply part 7 Electrolysis tank 8 Diaphragm 9,10 Electrode plate 11 Drain pipe 12 Drain pipe for acid ion water 14 Acid ion water side solenoid valve 15 Alkaline ion water side solenoid valve 16 Water discharge 17 Power supply plug 18 Power supply unit 19 Controller 20 Operation display unit 21 pH sensor 21a Sensoring unit 21b Holder 21c pH sensor chamber 22 Calibration solution inlet 22a 22a ^* Short pipe 22b Connection short pipe 22c Plug body 23 Water discharge branch passage 24 Drainage passage 25 Air exhaust passage 26 Cap 27 Packing 28 Exterior portion 29, 33 Exterior cover 30 Cap removal prevention rib 31 Calibration liquid container 32 Storage space

Claims (4)

An electrolytic cell that electrolyzes the supplied raw water to generate alkaline ionized water and acidic ionized water, a pH sensor that detects the pH value of the generated ionized water as a voltage signal, and a voltage signal of the pH sensor is calculated and set. An alkaline ionized water apparatus comprising a control unit for controlling energization to the electrolytic cell so as to generate ionized water having a pH value, wherein the electrolytic cell, the pH sensor, and the control unit are housed in a main body casing In addition, the holder for forming the pH sensor chamber in which the sensing unit of the pH sensor is arranged has a calibration pipe for injecting a calibration solution and air separated from the gas and liquid in the pH sensor chamber. And an exhaust passage for discharging the calibration solution after degassing and a drain passage for discharging the calibration liquid after degassing are integrally provided in a configuration communicating with the pH sensor chamber, respectively. The pH in the sensor chamber is connected to the water discharge branch pipe for guiding the ion water produced, alkali ion water conditioner, characterized in that the inlet of the calibration pipe is provided on the side surface of the main body casing barrel. 2. The calibration pipe is composed of a conical passage having an inlet opening in a top surface direction and a connecting short pipe connected to a holder so as to intersect the conical passage. Alkali ion water conditioner. The alkali ion water conditioner according to claim 1 or 2, further comprising a cap attached to the inlet and an exterior cover capable of locking the cap. The body portion of the main body casing is provided with a calibration solution container containing a calibration solution at an upper portion of the inlet, and an exterior cover for covering the calibration solution container is provided on the body portion. Item 4. The alkaline ionized water device according to any one of Items 1 to 3.

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