WO2017135208A1 - Electrolyzed water generation device and electrolyzed water server comprising same - Google Patents

Electrolyzed water generation device and electrolyzed water server comprising same Download PDF

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Publication number
WO2017135208A1
WO2017135208A1 PCT/JP2017/003287 JP2017003287W WO2017135208A1 WO 2017135208 A1 WO2017135208 A1 WO 2017135208A1 JP 2017003287 W JP2017003287 W JP 2017003287W WO 2017135208 A1 WO2017135208 A1 WO 2017135208A1
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WO
WIPO (PCT)
Prior art keywords
water
electrolyzed
channel
electrode chamber
chamber
Prior art date
Application number
PCT/JP2017/003287
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French (fr)
Japanese (ja)
Inventor
孝士 橘
Original Assignee
株式会社日本トリム
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Publication date
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Publication of WO2017135208A1 publication Critical patent/WO2017135208A1/en

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/70—Assemblies comprising two or more cells
    • C25B9/73—Assemblies comprising two or more cells of the filter-press type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Definitions

  • the present invention relates to an electrolyzed water generating device that provides electrolyzed water generated by electrolysis and an electrolyzed water server including the same.
  • an electrolyzed water generating apparatus that generates electrolyzed water in which hydrogen is dissolved by electrolysis is known (for example, see Patent Document 1).
  • the electrolyzed water generating device disclosed in Patent Document 1 the amount of water supplied to the second electrode chamber is limited to effectively use water.
  • the present invention has been devised in view of the above circumstances, and an electrolyzed water generating apparatus capable of efficiently performing electrolysis in an electrolytic cell and increasing the dissolved hydrogen concentration while achieving effective use of water.
  • the main purpose is to provide an electrolyzed water server equipped with it.
  • the electrolyzed water generating apparatus is divided into a first electrode chamber in which a first power feeding body is disposed and a second electrode chamber in which a second power feeding body is disposed, and water is separated by a diaphragm.
  • An electrolysis chamber that generates electrolyzed water by electrolysis, a first water supply channel that is connected to the first electrode chamber and supplies water to be electrolyzed to the first electrode chamber, and is connected to the first electrode chamber
  • a water level detecting means for detecting a water level in the exhaust channel or the parallel water channel is provided in the exhaust channel or the parallel water channel.
  • the water level detecting means is provided below a location where the parallel water channel communicates with the exhaust channel.
  • a second water supply path for supplying water to be electrolyzed to the second pole chamber and the parallel water channel, and a water supply control for controlling water supply from the second water channel It is desirable to have a valve.
  • An electrolyzed water server is an electrolyzed water server comprising the electrolyzed water generating device according to any one of claims 1 to 5, wherein the electrolyzed water generated in the first electrode chamber is obtained.
  • the tank further includes a storage tank, and a circulation water channel for circulating the electrolytic water between the tank and the electrolysis chamber.
  • the electrolyzed water server according to the present invention may further include a heating unit that heats water in the tank and a hot water channel that supplies the hot water heated by the heating unit to the exhaust channel and the parallel channel. desirable.
  • the electrolyzed water server further includes an exhaust unit that is provided in the exhaust passage and separates and discharges only the gas from the fluid in the exhaust passage.
  • an electrolysis chamber having a diaphragm, a first electrode chamber and a second electrode chamber, a first water supply channel and a water discharge channel connected to the first electrode chamber, and a second An exhaust passage connected to the polar chamber and a parallel water passage are provided.
  • the gas generated by the electrolysis in the first electrode chamber dissolves in the electrolyzed water, and is sent out from the first electrode chamber via the water discharge channel together with the electrolyzed water, and can be used.
  • the gas generated by electrolysis in the second electrode chamber is discharged from the second electrode chamber through the exhaust path.
  • the gas in the second electrode chamber is pushed upward by the pressure of the water filled in the parallel channel that connects the exhaust channel and the lower end of the second electrode chamber, and moves to the exhaust channel.
  • the gas generated in the second electrode is discharged from the second electrode chamber without supplying water to the second electrode chamber during electrolysis. Therefore, sufficient water is supplied to the surface of the second power feeder, and electrolysis in the electrolytic chamber is efficiently performed. Thereby, the utilization efficiency of water is increased to the limit, and the dissolved concentration of gas generated in the first electrode chamber is easily increased.
  • the electrolyzed water server according to the second invention of the present invention it is possible to efficiently increase the dissolved concentration of the gas dissolved in the electrolyzed water stored in the tank while effectively utilizing water.
  • FIG. 6 is a diagram illustrating the operation of each unit and the flow of water in the electrolyzed water generation mode of the hydrogen water server, following FIG. 5.
  • FIG. 7 is a diagram illustrating the operation of each unit and the flow of water in the electrolyzed water generation mode of the hydrogen water server, following FIG. 6. It is a figure which shows the operation
  • FIG. 10 is a diagram illustrating the operation of each unit and the flow of water in the sterilization mode of the hydrogen water server, following FIG. 9.
  • FIG. 1 shows a schematic configuration of an electrolyzed water generating apparatus 1 according to an embodiment of the first invention.
  • the electrolyzed water generating device 1 includes an electrolyzer 4, a first water supply channel 11a, a water discharge channel 12, an exhaust channel 13, and a parallel water channel 14.
  • the electrolytic cell 4 generates electrolytic hydrogen water by electrolyzing the supplied water.
  • the electrolytic cell 4 includes an electrolysis chamber 40, a first power feeding body 41, a second power feeding body 42, and a diaphragm 43.
  • the electrolytic chamber 40 is divided by a diaphragm 43 into a first electrode chamber 40A on the first power feeder 41 side and a second electrode chamber 40B on the second power feeder 42 side.
  • first power supply body 41 and the second power supply body 42 for example, a surface in which a platinum plating layer is formed on a surface of a net-like metal such as an expanded metal made of titanium or the like is applied.
  • a net-like first power supply body 41 and second power supply body 42 can distribute water to the surface of the diaphragm 43 while sandwiching the diaphragm 43, and promote electrolysis in the electrolytic chamber 40.
  • One of the first power supply 41 and the second power supply 42 is applied as an anode power supply, and the other is applied as a cathode power supply. Water is supplied to both the first electrode chamber 40 ⁇ / b> A and the second electrode chamber 40 ⁇ / b> B of the electrolysis chamber 40, and a direct current voltage is applied to the first power supply body 41 and the second power supply body 42. Electrolysis occurs.
  • the diaphragm 43 for example, a solid polymer film made of a fluorine-based resin having a sulfonic acid group is appropriately used. On both surfaces of the diaphragm 43, plating layers made of platinum are formed. The plating layer of the diaphragm 43 is in contact with and electrically connected to the first power feeding body 41 and the second power feeding body 42. The diaphragm 43 allows ions generated by electrolysis to pass through. The first power supply body 41 and the second power supply body 42 are electrically connected via the diaphragm 43.
  • the diaphragm 43 made of a solid polymer material is applied, the dissolved hydrogen concentration can be increased without increasing the pH value of the electrolytic hydrogen water.
  • Such electrolytic hydrogen water is suitable for reducing oxidative stress of patients in dialysis treatment, for example.
  • Electrolysis of water in the electrolysis chamber 40 generates hydrogen gas and oxygen gas.
  • the first power supply 41 is applied as a cathode power supply
  • hydrogen gas is generated in the first electrode chamber 40A
  • electrolytic hydrogen water in which the hydrogen gas is dissolved is generated.
  • the second electrode chamber 40B oxygen gas is generated, and electrolytic oxygen water in which the oxygen gas is dissolved is generated.
  • the first power supply body 41 is applied as an anode power supply body
  • oxygen gas is generated in the first electrode chamber 40A, and electrolytic oxygen water in which the oxygen gas is dissolved is generated.
  • the second electrode chamber 40B hydrogen gas is generated, and electrolytic hydrogen water in which the hydrogen gas is dissolved is generated.
  • the first water supply channel 11a is connected to the first pole chamber 40A.
  • the first water supply channel 11a supplies water to be electrolyzed to the first pole chamber 40A.
  • the drainage channel 12 is connected to the first pole chamber 40A. The drainage channel 12 sends the electrolyzed water electrolyzed in the first electrode chamber 40A from the first electrode chamber 40A.
  • the first water supply channel 11 communicates with the lower end portion of the first pole chamber 40A
  • the water discharge channel 12 communicates with the upper end portion of the first electrode chamber 40A.
  • the exhaust passage 13 extends upward from the upper end of the second electrode chamber 40B.
  • the exhaust path 13 discharges the gas generated by electrolysis in the second electrode chamber 40B from the second electrode chamber 40B.
  • the gas generated by electrolysis in the second electrode chamber 40B becomes a fine bubble and moves to the upper part of the second electrode chamber 40B.
  • gas can be discharged from the second electrode chamber 40B.
  • the parallel water channel 14 is provided along the second polar chamber 40B.
  • the parallel water channel 14 connects the exhaust channel 13 and the lower end of the second pole chamber 40B.
  • the parallel water channel 14 is connected to the 2nd pole chamber 40B via the 2nd water supply channel 11b mentioned later.
  • the parallel water channel 14 may be directly connected to the second electrode chamber 40B.
  • FIG. 2 shows a circuit for supplying an electrolytic current to the power feeders 41 and 42.
  • the electrolytic current I supplied to the power feeding bodies 41 and 42 is controlled by the control unit 6.
  • the control unit 6 controls each unit such as the power feeders 41 and 42.
  • the control unit 6 includes, for example, a CPU (Central Processing Unit) that executes various arithmetic processes, information processing, and the like, a program that controls the operation of the CPU, and a memory that stores various information.
  • a CPU Central Processing Unit
  • the control unit 6 controls the polarities of the first power supply 41 and the second power supply 42, for example.
  • desired electrolyzed water out of the electrolyzed hydrogen water or the electrolyzed oxygen water flows from the first electrode chamber 40A through the water outlet 12. And is available for use.
  • first power feeding body 41 is applied as a cathode power feeding body
  • first power feeding body 41 is applied as an anode power feeding body.
  • Current detection means 44 is provided in the current supply line between the first power feeder 41 and the control unit 6.
  • the current detection unit 44 may be provided in a current supply line between the second power feeder 42 and the control unit 6.
  • the current detection unit 44 detects the electrolytic current I supplied to the power feeding bodies 41 and 42 and outputs an electric signal corresponding to the value to the control unit 6.
  • the control unit 6 controls the DC voltage applied to the first power supply body 41 and the second power supply body 42 based on, for example, the electric signal output from the current detection means 44. More specifically, the control unit 6 controls the first power supply body 41 and the second power supply body 41 so that the electrolysis current I detected by the current detection unit 44 becomes a desired value according to the preset dissolved hydrogen concentration.
  • the DC voltage applied to the power feeding body 42 is feedback controlled. For example, when the electrolysis current I is excessive, the control unit 6 decreases the voltage, and when the electrolysis current I is excessive, the control unit 6 increases the voltage. Thereby, the electrolysis current I supplied to the 1st electric power feeder 41 and the 2nd electric power feeder 42 is controlled appropriately.
  • the oxygen gas O generated by electrolysis in the second electrode chamber 40B is exhausted from the second electrode chamber 40B through the exhaust passage 13.
  • the oxygen gas O in the second electrode chamber 40B is pushed upward by the pressure of the water filled in the parallel water channel 14 that allows the exhaust channel 13 and the lower end of the second electrode chamber 40B to communicate with each other. Move to.
  • the oxygen gas O generated in the second electrode chamber 40B is discharged from the second electrode chamber 40B without supplying water to the second electrode chamber 40B being electrolyzed. Therefore, sufficient water is supplied to the surface of the second power feeder 42, and electrolysis in the electrolysis chamber 40 is efficiently performed. Thereby, the utilization efficiency of water is increased to the limit, and the dissolved hydrogen concentration of the electrolytic hydrogen water generated in the first electrode chamber 40A is easily increased.
  • the water in the second electrode chamber 40B is decomposed into oxygen and consumed by electrolysis.
  • the water filled in the exhaust passage 13 and the parallel water passage 14 flows into the second electrode chamber 40B, and the water consumed by the electrolysis is supplemented. Therefore, the water level in the exhaust passage 13 and the parallel water passage 14 gradually decreases as the electrolysis progresses.
  • the water in the electrolysis chamber 40 serves as a raw material for electrolysis and has a function of cooling the diaphragm 43 that generates heat by Joule heat. Therefore, when the said water level falls further and falls from the upper end part of the 2nd pole chamber 40B, there exists a possibility that the temperature of the diaphragm 43 may rise excessively and the diaphragm 43 may be damaged. However, in this embodiment, damage to the diaphragm 43 is suppressed by monitoring the water level in the exhaust passage 13.
  • the exhaust passage 13 is provided with a water level detection means 28 for detecting the water level in the exhaust passage 13. Since the water level in the exhaust passage 13 and the water level in the parallel water passage 14 are equivalent, the water level detection means 28 may be provided in the parallel water passage 14. In this case, the water level detection means 28 detects the water level in the parallel water channel 14.
  • the water level detection means 28 includes, for example, an optical liquid level sensor 28a (see FIG. 2).
  • the exhaust path 13 has translucency at least at a location facing the liquid level sensor 28a.
  • the liquid level sensor 28a detects the water level in the exhaust passage 13 by irradiating the exhaust passage 13 with infrared light and detecting the transmitted light. For example, when the detection area of the liquid level sensor 28a is filled with water, infrared light is refracted and not detected. On the other hand, when the detection area of the liquid level sensor 28a is not filled with water, infrared light is detected.
  • the liquid level sensor 28 a photoelectrically converts the infrared light transmitted through the exhaust passage 13 and outputs an electrical signal corresponding to the value to the control unit 6.
  • the control unit 6 controls the operation of the electrolytic cell 4 based on the electrical signal output from the liquid level sensor 28a. For example, when the water level in the exhaust passage 13 is lower than the detection region of the liquid level sensor 28a, the control unit 6 stops supplying the electrolytic current I to the first power supply body 41 and the second power supply body 42. Thereby, the electrolysis in the electrolysis chamber 40 is stopped, further lowering of the water level in the exhaust passage 13 is suppressed, and damage to the diaphragm 43 can be suppressed.
  • the control unit 6 stops the operation of the electrolytic cell 4.
  • the liquid level sensor 28 a is provided below the location where the parallel water channel 14 communicates with the exhaust channel 13. Thereby, it is possible to continuously operate the electrolytic cell 4 for a long time.
  • the electrolyzed water generating apparatus 1 includes a second water supply passage 11b and a water supply control valve 25.
  • the second water supply passage 11b is connected to the lower end of the second pole chamber 40B.
  • the second water supply channel 11 b supplies water to be electrolyzed to the second pole chamber 40 ⁇ / b> B and the parallel water channel 14.
  • the water supply control valve 25 controls water supply from the second water supply path 11b to the second pole chamber 40B.
  • an electromagnetic valve that opens and closes using electromagnetic force as a driving force can be applied to the water supply control valve 25.
  • the operation of the water supply control valve 25 is controlled by the control unit 6. For example, when electrolysis is performed in the electrolytic cell 4, the water supply control valve 25 is closed. Thereby, the water supply to the 2nd pole chamber 40B is stopped, and the utilization efficiency of water is raised to the limit. Even in this case, the oxygen gas generated in the second electrode chamber 40B is discharged by the water pressure in the parallel water channel 14 described above, so that the dissolved hydrogen concentration of the electrolytic hydrogen water generated in the first electrode chamber 40A is increased. .
  • the water supply control valve 25 is provided below the location where the parallel water channel 14 communicates with the second water supply channel 11b. Thereby, water is replenished to the 2nd polar chamber 40B from the parallel water channel 14 according to consumption of the water in the 2nd polar chamber 40B accompanying electrolysis.
  • the control unit 6 opens the water supply control valve 25 after stopping the electrolysis in the electrolytic cell 4. Thereby, the water supply from the 2nd water supply path 11b to the 2nd pole chamber 40B is restarted, and the water level in the exhaust path 13 returns to the original height.
  • FIG. 3 shows a schematic configuration of the hydrogen water server 100 according to the embodiment of the second invention.
  • FIG. 4 shows the electrical configuration of the hydrogen water server 100.
  • the hydrogen water server 100 is an apparatus that includes the electrolyzed water generating device 1 and stores the electrolyzed hydrogen water in which hydrogen generated by the electrolyzed water generating device 1 is dissolved so as to be provided as needed.
  • the electrolytic hydrogen water provided by the hydrogen water server 100 can be used as drinking or cooking water.
  • the hydrogen water server 100 equipped with the electrolyzed water generating apparatus 1 of the first invention it is possible to efficiently increase the dissolved hydrogen concentration of the electrolyzed hydrogen water stored in the tank 3 while effectively using water.
  • the hydrogen water server 100 further includes a water purification filter 2, a tank 3, an operation unit 5, a circulation water channel 15, and a water discharge channel 16.
  • the water filter 2 purifies the water supplied to the tank 3.
  • the water purification filter 2 is configured to be replaceable by attaching to and detaching from the main body of the hydrogen water server 100.
  • the water purification filter 2 is provided in the water inlet 10 on the upstream side of the tank 3.
  • Raw water is supplied to the water inlet 10.
  • As the raw water tap water is generally used, but well water, ground water, and the like can be used.
  • the water inlet 10 has a water inlet valve 21.
  • the water inlet valve 21 controls the amount of water flow to the hydrogen water server 100.
  • the water purification filter 2 of the present embodiment includes a prefilter 2A, a carbon (activated carbon) filter 2B, and a hollow fiber membrane filter 2C.
  • the pre-filter 2A, the carbon (activated carbon) filter 2B, and the hollow fiber membrane filter 2C are each configured to be exchangeable by attaching to and detaching from the main body of the hydrogen water server 100.
  • the pre-filter 2A is arranged on the most upstream side, and removes a material of 0.5 ⁇ m or more contained in raw water, for example.
  • the carbon filter 2B is disposed on the downstream side of the prefilter 2A, and removes the substance that has passed through the prefilter 2A by adsorption.
  • the hollow fiber membrane filter 2C is disposed on the downstream side of the carbon filter 2B, and removes, for example, a 0.1 ⁇ m or more substance that has passed through the pre-filter 2A and the carbon filter 2B.
  • Tank 3 stores the water that has passed through the water purification filter 2.
  • the control unit 6 appropriately maintains the amount of water stored in the tank 3 by controlling the opening and closing of the water inlet valve 21 based on the electrical signal output from the water amount sensor 31.
  • the water amount sensor 31 is provided in the upper part of the tank 3.
  • the water amount sensor 31 has, for example, a float that floats on water. Similar to the liquid level sensor 28a, the water amount sensor 31 may be an optical sensor.
  • the water amount sensor 31 is provided in the upper part of the tank 3 and outputs an electrical signal to that effect to the control unit 6 when the amount of water stored in the tank 3 is substantially full.
  • the control unit 6 controls the water inlet valve 21 to be in an open state when it does not receive an electric signal indicating that the water level is in the above-described state from the water amount sensor 31. Thereby, the tank 3 is appropriately replenished with water, and the amount of stored water is maintained appropriately.
  • the water stored in the tank 3 is supplied to the electrolytic cell 4 through the upstream circulation channel 15 and electrolyzed, and then returns to the tank 3 through the downstream circulation channel 15. Accordingly, the tank 3 stores the electrolytic hydrogen water generated in the first electrode chamber 40A.
  • the circulating water channel 15 circulates the electrolytic water between the tank 3 and the electrolysis chamber 40.
  • the circulation water channel 15 includes the first water supply channel 11 a and the water discharge channel 12 of the electrolyzed water generating device 1. Further, the second water supply passage 11 b and the exhaust passage 13 of the electrolyzed water generating apparatus 1 can also function as the circulation water passage 15.
  • a flow rate sensor 27A is provided in the first water supply path 11a, and a flow rate sensor 27B is provided in the second water supply path 11b.
  • the flow sensor 27A detects the amount of water flowing through the first water supply channel 11a.
  • the flow sensor 27B detects the amount of water flowing through the second water supply channel 11b.
  • Circulating water channel 15 includes circulating water channels 15a, 15b and 15c.
  • the circulating water channel 15 a supplies water to be electrolyzed to the electrolyzed water generator 1.
  • the circulating water channel 15a is connected to the tank 3 at one upstream end, and branches to the first water supplying channel 11a and the second water supplying channel 11b at the other downstream end.
  • a pump 22 is provided in the circulation water channel 15a. The pump 22 drives the water in the circulation water channel 15 to circulate in the circulation water channel 15. By performing electrolysis in the electrolytic cell 4 while circulating water in the circulation channel 15, the dissolved hydrogen concentration of the water stored in the tank 3 is increased.
  • One end of the circulating water channel 15 b is connected to the water discharge channel 12 via the flow channel switching valve 23, and the other end is connected to the tank 3.
  • the electrolytic hydrogen water generated in the first electrode chamber 40A returns to the tank 3 through the circulation water channel 15b and the water discharge channel 12.
  • the circulation water channel 15 c is connected to the exhaust channel 13.
  • the tip of the circulating water channel 15c is arranged inside the tank 3 and is positioned lower than the circulating water channel 15b.
  • Exhaust means 24 is provided at the tip of the exhaust passage 13.
  • the exhaust means 24 separates and discharges only the gas from the fluid in the exhaust path 13.
  • the oxygen gas generated in the second electrode chamber 40B is exhausted by the exhaust means 24.
  • the water discharge path 16 is a flow path for discharging the hydrogen water generated in the first polar chamber 40A.
  • the water discharge path 16 of the present embodiment is connected to the water discharge path 12 via the flow path switching valve 23. Thereby, the structure of the hydrogen water server 100 is simplified.
  • a so-called three-way valve can be applied to the flow path switching valve 23.
  • the flow path switching valve 23 is controlled by the control unit 6 according to the operation mode of the hydrogen water server 100, and switches part or all of the flow path downstream from the water discharge path 12 to the circulation water path 15 b or the water discharge path 16. That is, in the mode in which the electrolytic hydrogen water is generated, the entire flow path downstream from the water discharge path 12 is the circulation water path 15b. In the mode of discharging the electrolytic hydrogen water, a part or all of the flow path on the downstream side of the water discharge path 12 is switched to the water discharge path 16. Thereby, switching of a flow path can be realized with a simple configuration.
  • the water discharge path 16 may be directly connected to the first pole chamber 40A.
  • a water outlet 16 a is provided at the front end side of the water discharge path 16.
  • a space in which the cup 500 or the like can be placed is formed below the water discharge port 16a, and a tray 16b for collecting water spilled from the cup 500 is provided.
  • the operation unit 5 shown in FIG. 4 includes a switch operated by a user, a touch panel for detecting capacitance, or the like (not shown).
  • the user can set the operation mode of the hydrogen water server 100 to be described later, for example, by operating the operation unit 5.
  • the operation unit 5 When the operation unit 5 is operated by the user, the operation unit 5 outputs a corresponding electrical signal to the control unit 6.
  • the control unit 6 controls each unit of the hydrogen water server 100 according to the electric signal input from the operation unit 5.
  • the control unit 6 controls the drive voltage of the pump 22. At this time, the control unit 6 controls the drive voltage of the pump 22 while monitoring the flow rate detected by the flow rate sensor 27A. Thereby, the hydrogen water stored in the tank 3 circulates in the circulating water path 15 between the tank 3 and the first pole chamber 40A. Further, the control unit 6 applies an electrolytic voltage to the first power feeding body 41 and the second power feeding body 42. Thereby, the electrolyzed water supplied to the electrolysis chamber 40 is further electrolyzed, and the dissolved hydrogen concentration of the hydrogen water stored in the tank 3 can be maintained high.
  • the control unit 6 stops applying the electrolytic voltage to the first power supply body 41 and the second power supply body 42. Thereby, the application of the electrolysis voltage in a state where the electrolyzed water is not sufficiently supplied to the electrolysis chamber 40 can be prevented.
  • the control unit 6 When the hydrogen water stored in the tank 3 is consumed, based on the electrical signal output from the water amount sensor 31, the control unit 6 opens the water inlet valve 21 and the tank 3 is replenished with water from the water inlet 10. The At this time, since the dissolved hydrogen concentration of the hydrogen water stored in the tank 3 decreases, the control unit 6 uses the circulating water channel 15 between the tank 3 and the first pole chamber 40A to store the hydrogen water stored in the tank 3. While circulating again, electrolysis is performed in the electrolysis chamber 40 to increase the dissolved hydrogen concentration.
  • a cooling device 7 is connected to the tank 3.
  • the cooling device 7 cools the tank 3 by cooling the refrigerant and supplying it to the outer wall of the tank 3.
  • the operation of the cooling device 7 is controlled by the control unit 6.
  • the hydrogen water stored in the tank 3 is cooled to a desired temperature by the cooling device 7. Accordingly, it is possible to provide cooled hydrogen water as needed according to the user's request, and the usability of the hydrogen water server 100 is improved.
  • the hydrogen water stored in the tank 3 is periodically replaced under the control of the control unit 6.
  • the replacement of the hydrogen water first, the hydrogen water stored in the tank 3 is discharged, and then new water is supplied from the water inlet 10 to the tank 3.
  • the drain 3 for discharging the hydrogen water is connected to the tank 3.
  • the tank 3 and the drainage channel 17 are connected via a part of the circulation channel 15a.
  • the tank 3 and the drainage channel 17 may be configured to be directly connected.
  • the drainage channel 17 is provided with a drainage valve 26.
  • the drain valve 26 is controlled by the control unit 6 to open and close. When the drain valve 26 is opened, the hydrogen water stored in the tank 3 is discharged from the drain port 17a.
  • the tray portion 16b is connected to the drainage channel 17 through the water channel 16c.
  • the water collected by the tray part 13b is discharged from the drainage channel 17 through the water channel 16c.
  • the tank 3 is provided with a heater (heating means) 8 for heating water.
  • the heater 8 generates heat due to Joule heat, and heats the water stored in the tank 3.
  • a heater (heating means) 8 ⁇ / b> A is provided between the tank 3 of the circulation water channel 15 and the pump 22.
  • the heater 8 ⁇ / b> A is provided in a part of the pipe constituting the circulation water channel 15.
  • the heater 8 ⁇ / b> A generates heat due to Joule heat and heats the water in the circulation water channel 15.
  • the heaters 8 and 8A are controlled by the control unit 6. Only one of the heaters 8 and 8A may be applied as the heating means.
  • the controller 6 controls the heaters 8 and 8A to heat the water stored in the tank 3 and the water in the circulation channel 15. As a result, hot water is generated in the tank 3 and the circulating water channel 15, the inside of the tank 3 and the circulating water channel 15 is sterilized by the hot water, and propagation of bacteria and the like is suppressed.
  • the hydrogen water server 100 generates hydrogen water by electrolysis and stores it in the tank 3 as an operation mode, an “electrolyzed water generation mode” for storing the hydrogen water stored in the tank 3, and a “water discharge mode” for discharging the hydrogen water stored in the tank 3. And “sterilization mode” for sterilizing the electrolytic cell 4 and the like.
  • FIGS. 8 to 10 show the operation of each part of the hydrogen water server 100 and the flow of water in the electrolyzed water generation mode.
  • the region filled with water is indicated by hatching (hereinafter, the same applies to FIGS. 8 to 10).
  • the flow path on the circulating water path 15b side of the flow path switching valve 23 is opened, and the flow path on the water discharge path 16 side is closed. Moreover, the water supply control valve 25 of the 2nd water supply path 11b is closed. Further, the drain valve 26 is closed, and the water inlet valve 21 is appropriately opened and closed according to the amount of water stored in the tank 3.
  • the water level h in the exhaust passage 13 is equivalent to the tank 3.
  • electrolysis occurs in the first electrode chamber 40A and the second electrode chamber 40B.
  • the hydrogen gas generated in the first electrode chamber 40A is collected in the tank 3 while being dissolved in the electrolyzed water, and the dissolved hydrogen concentration in the water in the tank 3 is increased.
  • the oxygen gas O generated in the second electrode chamber 40B becomes bubbles and is exhausted through the exhaust passage 13 and the exhaust means 24.
  • the oxygen gas O in the second electrode chamber 40B is pushed upward by the pressure of the water filled in the parallel water passage 14 and moves to the exhaust passage 13.
  • the oxygen gas O generated in the second electrode chamber 40B is supplied to the second electrode chamber 40B without electrolysis without supplying water to the second electrode chamber 40B being electrolyzed (that is, without causing water flow in the second electrode chamber 40B). It is discharged from the polar chamber 40B. Therefore, sufficient water is supplied to the surface of the second power feeder 42, and electrolysis in the electrolysis chamber 40 is efficiently performed.
  • the water supply control valve 25 since the water supply control valve 25 is closed, the water in the second electrode chamber 40B does not return to the tank 3 via the exhaust passage 13 and the circulation water passage 15c. Therefore, the increase in the dissolved hydrogen concentration of the water in the tank 3 is not hindered by the inflow of water in the second electrode chamber 40B, and the dissolved hydrogen concentration of the electrolytic hydrogen water can be easily increased.
  • the control unit 6 stops the pump 22, and the first power feeding body 41 and the second power feeding.
  • the application of the electrolysis voltage to the body 42 is stopped.
  • the control part 6 opens the water supply control valve 25, and water is supplied to the 2nd pole chamber 40B and the parallel water channel 14 from the 2nd water supply channel 11b, and the water level h of the exhaust channel 13 is the initial stage which is shown by FIG. Return to the state.
  • the driving of the pump 22 may be used in combination. In this case, the water level h in the exhaust passage 13 returns to the initial state in a shorter time.
  • the application of the electrolysis voltage to the 1st electric power feeder 41 and the 2nd electric power feeder 42 may be continued.
  • FIG. 8 shows the operation of each part of the hydrogen water server 100 and the flow of water in the water discharge mode.
  • the flow path of the electrolytic hydrogen water that has passed through the first electrode chamber 40A is switched by the flow path switching valve 23 from the state of the electrolyzed water generation mode shown in FIGS. That is, in the water discharge mode, the flow path on the circulating water path 15b side is closed and the flow path on the water discharge path 16 side is opened.
  • the control unit 6 may be configured to apply an electrolytic voltage to the first power supply body 41 and the second power supply body 42.
  • FIGS. 9 and 10 show the operation of each part of the hydrogen water server 100 in the sterilization mode and the flow of water in time series.
  • the sterilization mode the water in the tank 3 and the circulating water channel 15 is heated and circulated, and each part such as the tank 3, the electrolytic cell 4, the circulating water channel 15 and the like is sterilized by heating.
  • the circulating water channel 15 supplies the hot water heated by the heaters 8 and 8A to the electrolysis chamber 40, the first water supply channel 11a, the second water supply channel 11b, the water discharge channel 12, the exhaust channel 13, and the parallel water channel 14. Functions as a waterway. Thereby, propagation of bacteria and the like in each part in the hydrogen water server 100 is suppressed.
  • the sterilization mode is periodically executed under the control of the control unit 6. For example, the sterilization mode is executed every day at midnight. For example, the time period for executing the sterilization mode can be appropriately set by the user operating the operation unit 5.
  • the exhaust passage 13, the parallel water passage 14, and the circulation water passage 15c are also filled with hot water.
  • the exhaust means 24 provided at the tip of the exhaust passage 13 keeps hot water in the exhaust passage 13 and prevents water leakage from the tip of the exhaust passage 13.
  • the state of the flow path switching valve 23 and the drain valve 26 is controlled by the control unit 6 in the same manner as in the initial electrolyzed water generation mode. That is, the flow path on the circulating water path 15b side of the flow path switching valve 23 is opened, and the flow path on the water discharge path 16 side is closed. The drain valve 26 is closed. Further, in the sterilization mode, the water supply control valve 25 is opened.
  • the flow rate of hot water supplied to the second electrode chamber 40B is set to be equal to the flow rate of hot water supplied to the first electrode chamber 40A. Thereby, the same amount of hot water as that of the first electrode chamber 40A is supplied to the second electrode chamber 40B, and the second electrode chamber 40B, the flow rate sensor 27B, the second water supply channel 11b, the circulating water channel 15c, and the like can be sufficiently sterilized. .
  • the water stored in the tank 3 and the water in the circulation water channel 15 are heated by controlling the heaters 8 and 8A, the water stored in the tank 3 from the drain channel 17 is opened by opening the drain valve 26 in advance. A part of may be discharged. In this case, since the amount of water to be heated is small, heating can be completed in a short time and with a small amount of power.
  • the hot water in the tank 3 in the sterilization mode contains water vapor.
  • the upper region of the tank 3 where hot water resulting from the reduction of the amount of water stored in the tank 3 is not immersed is sterilized with water vapor.
  • the water amount sensor 31 and the ceiling wall 33 are sterilized with water vapor.
  • the temperature of hot water is preferably 75 ° C. or higher, for example.
  • the control unit 6 turns off the heaters 8 and 8A, ends the heating, and ends the driving of the pump 22.
  • FIG. 10 shows, the drain valve 26 is opened and hot water is discharged
  • the flow path on the circulating water path 15 b side of the flow path switching valve 23 is closed, and the flow path on the water discharge path 16 side is opened, whereby hot water is discharged from the water discharge path 16.
  • the water discharge path 16 and the drainage path 17 are sterilized by the hot water passing through the water discharge path 16 and the drainage path 17.
  • the hot water discharged from the water discharge port 16a is collected by the tray part 16b, passes through the water channel 16c, and reaches the drainage channel 17. Thereby, the saucer part 16b and the water channel 16c are sterilized.
  • the control unit 6 controls the drive voltage of the pump 22 while monitoring the flow rate detected by the flow rate sensors 27A and 27B. Thereby, the amount of hot water flowing through the circulation channel 15 and the electrolytic cell 4 is managed by the control unit 6.
  • the control part 6 can grasp
  • the control unit 6 stops the pump 22. Thereby, the hot water in the second electrode chamber 40 ⁇ / b> B and the parallel water channel 14 is discharged from the drainage channel 17.
  • an ultraviolet LED (ultraviolet irradiation means) 34 is provided on the top wall 33 of the tank 3.
  • the ultraviolet LED 34 is a light emitting diode that is controlled by the control unit 6 to emit ultraviolet rays.
  • the inside of the tank 3 is sterilized by the ultraviolet rays emitted from the ultraviolet LED 34.
  • the ultraviolet LED 34 may be provided in the circulating water channel 15 or the electrolytic cell 4 in addition to the tank 3.
  • the ultraviolet LED 34 can be turned on in the electrolyzed water generation mode and the sterilization mode.
  • the ultraviolet LED 34 may be configured to be constantly or periodically lit.
  • the electrolyzed water generating apparatus 1 is divided into at least a first electrode chamber 40A in which the first power feeding body 41 is disposed and a second electrode chamber 40B in which the second power feeding body 42 is disposed by the diaphragm 43, and An electrolysis chamber 40 that generates electrolyzed water by electrolyzing water, a first water supply path 11a that is connected to the first electrode chamber 40A and supplies water to be electrolyzed to the first electrode chamber 40A, and a first electrode A discharge channel 12 that is connected to the chamber 40A and sends electrolyzed electrolyzed water from the first electrode chamber 40A, and extends upward from the upper end of the second electrode chamber 40B. What is necessary is just to provide the exhaust path 13 discharged

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Abstract

An electrolyzed water generation device 1 comprising: an electrolysis chamber 40 that generates electrolyzed water by electrolyzing water and is divided by a partitioning membrane 43, which is a solid polymer membrane, into a first polar chamber 40A having a first power feeder 41 arranged therein and a second polar chamber 40B having a second power feeder 42 arranged therein; a first water supply path 11a connected to the first polar chamber 40A and supplying water to be electrolyzed to the first polar chamber 40A; a water outlet path 12 connected to the first polar chamber 40A and sending out electrolyzed water that has been electrolyzed from the first polar chamber 40A; a discharge path 13 extending upwards from the upper end of the second polar chamber 40B and discharging gas generated by electrolysis from the second polar chamber 40B; and a parallel water path 14 provided along the second polar chamber 40B and connecting the discharge path 13 and the lower end of the second polar chamber 40B.

Description

電解水生成装置及びそれを備えた電解水サーバーElectrolyzed water generating apparatus and electrolyzed water server equipped with the same
　本発明は、電気分解によって生成された電解水を提供する電解水生成装置及びそれを備えた電解水サーバーに関する。 The present invention relates to an electrolyzed water generating device that provides electrolyzed water generated by electrolysis and an electrolyzed water server including the same.
　従来、電気分解によって水素が溶け込んだ電解水を生成する電解水生成装置が知られている（例えば、特許文献１参照）。上記特許文献１に開示されている電解水生成装置では、第２極室に供給される水量を制限して水の有効利用が図られている。 Conventionally, an electrolyzed water generating apparatus that generates electrolyzed water in which hydrogen is dissolved by electrolysis is known (for example, see Patent Document 1). In the electrolyzed water generating device disclosed in Patent Document 1, the amount of water supplied to the second electrode chamber is limited to effectively use water.
　しかしながら、第２極室に供給される水が制限された場合、第２極室では電解水の溶存ガス濃度が飽和して、電解水に溶け込めなかった気泡状態のガスが大量に発生する。この現象は、隔膜に固体高分子膜を用いた場合、顕著に発生する。さらにこの場合、第２極室の水流が抑制されるので、気泡状態のガスは、電解水と共に第２極室から排出され難くなり、第２極室には気泡状態のガスが滞留することとなる。このような気泡状態のガスが第２給電体の表面等に付着した状態で滞留すると、第２給電体の表面に供給される水が減少するため、電解室での電気分解が著しく抑制されるおそれがある。 However, when the water supplied to the second electrode chamber is restricted, the dissolved gas concentration of the electrolyzed water is saturated in the second electrode chamber, and a large amount of gas in a bubble state that cannot be dissolved in the electrolyzed water is generated. This phenomenon occurs remarkably when a solid polymer film is used as the diaphragm. Further, in this case, since the water flow in the second electrode chamber is suppressed, the gas in the bubble state is difficult to be discharged from the second electrode chamber together with the electrolytic water, and the gas in the bubble state is retained in the second electrode chamber. Become. If such a gas in a bubble state stays attached to the surface of the second power feeder, water supplied to the surface of the second power feeder is reduced, so that electrolysis in the electrolysis chamber is remarkably suppressed. There is a fear.
特開２０１５－２９９２９号公報JP 2015-29929 A
　本発明は、以上のような実状に鑑み案出されたもので、水の有効利用を図りつつ、電解槽での電気分解を効率よく行ない溶存水素濃度を高めることができる電解水生成装置及びにそれを備えた電解水サーバーを提供することを主たる目的としている。 The present invention has been devised in view of the above circumstances, and an electrolyzed water generating apparatus capable of efficiently performing electrolysis in an electrolytic cell and increasing the dissolved hydrogen concentration while achieving effective use of water. The main purpose is to provide an electrolyzed water server equipped with it.
　本発明の第１発明に係る電解水生成装置は、隔膜によって第１給電体が配された第１極室と第２給電体が配された第２極室とに区切られ、かつ、水を電気分解することにより電解水を生成する電解室と、前記第１極室に接続され、前記第１極室に電気分解される水を供給する第１給水路と、前記第１極室に接続され、電気分解された電解水を前記第１極室から送出する出水路と、前記第２極室の上端部から上方にのび、電気分解によって生じた気体を前記第２極室から排出する排気路と、前記第２極室に沿って設けられ、前記排気路と前記第２極室の下端部とを連通させる並行水路とを備えることを特徴とする。 The electrolyzed water generating apparatus according to the first aspect of the present invention is divided into a first electrode chamber in which a first power feeding body is disposed and a second electrode chamber in which a second power feeding body is disposed, and water is separated by a diaphragm. An electrolysis chamber that generates electrolyzed water by electrolysis, a first water supply channel that is connected to the first electrode chamber and supplies water to be electrolyzed to the first electrode chamber, and is connected to the first electrode chamber And a discharge channel for delivering electrolyzed electrolyzed water from the first electrode chamber, and an exhaust gas extending upward from the upper end of the second electrode chamber and discharging gas generated by electrolysis from the second electrode chamber. It is provided with a parallel water channel which is provided along a channel and the 2nd polar chamber, and connects the exhaust channel and the lower end part of the 2nd polar chamber.
　本発明に係る前記電解水生成装置において、前記排気路又は前記並行水路には、前記排気路内又は前記並行水路内の水位を検出するための水位検出手段が設けられていることが望ましい。 In the electrolyzed water generating apparatus according to the present invention, it is preferable that a water level detecting means for detecting a water level in the exhaust channel or the parallel water channel is provided in the exhaust channel or the parallel water channel.
　本発明に係る前記電解水生成装置において、前記水位検出手段は、前記並行水路が前記排気路に連通する箇所よりも下方に設けられていることが望ましい。 In the electrolyzed water generating apparatus according to the present invention, it is preferable that the water level detecting means is provided below a location where the parallel water channel communicates with the exhaust channel.
　本発明に係る前記電解水生成装置において、前記第２極室及び前記並行水路に電気分解される水を供給するための第２給水路と、前記第２給水路からの給水を制御する給水制御弁とを有することが望ましい。 In the electrolyzed water generating apparatus according to the present invention, a second water supply path for supplying water to be electrolyzed to the second pole chamber and the parallel water channel, and a water supply control for controlling water supply from the second water channel It is desirable to have a valve.
　本発明の第２発明に係る電解水サーバーは、請求項１乃至５のいずれかに記載の電解水生成装置を備えた電解水サーバーであって、前記第１極室で生成された電解水を貯えるタンクと、前記タンクと前記電解室との間で電解水を循環させる循環水路とをさらに備えることを特徴とする。 An electrolyzed water server according to a second invention of the present invention is an electrolyzed water server comprising the electrolyzed water generating device according to any one of claims 1 to 5, wherein the electrolyzed water generated in the first electrode chamber is obtained. The tank further includes a storage tank, and a circulation water channel for circulating the electrolytic water between the tank and the electrolysis chamber.
　本発明に係る前記電解水サーバーにおいて、前記タンク内の水を加熱する加熱手段と、前記加熱手段によって加熱された熱水を前記排気路及び前記並行水路に供給する熱水路をさらに備えることが望ましい。 The electrolyzed water server according to the present invention may further include a heating unit that heats water in the tank and a hot water channel that supplies the hot water heated by the heating unit to the exhaust channel and the parallel channel. desirable.
　本発明に係る前記電解水サーバーにおいて、前記排気路に設けられ、前記排気路内の流体から気体のみを分離して排出する排気手段をさらに備えることが望ましい。 In the electrolyzed water server according to the present invention, it is preferable that the electrolyzed water server further includes an exhaust unit that is provided in the exhaust passage and separates and discharges only the gas from the fluid in the exhaust passage.
　本発明の第１発明に係る電解水生成装置では、隔膜、第１極室及び第２極室を有する電解室と、第１極室に接続された第１給水路及び出水路と、第２極室に接続された排気路及び並行水路とを備える。第１極室での電気分解によって生成された気体は、電解水に溶け込み、電解水と共に出水路を介して第１極室から送出され、利用可能となる。 In the electrolyzed water generating apparatus according to the first aspect of the present invention, an electrolysis chamber having a diaphragm, a first electrode chamber and a second electrode chamber, a first water supply channel and a water discharge channel connected to the first electrode chamber, and a second An exhaust passage connected to the polar chamber and a parallel water passage are provided. The gas generated by the electrolysis in the first electrode chamber dissolves in the electrolyzed water, and is sent out from the first electrode chamber via the water discharge channel together with the electrolyzed water, and can be used.
　一方、第２極室で電気分解によって生成された気体は、排気路を介して第２極室から排出される。このとき、排気路と第２極室の下端部とを連通させる並行水路に充填された水の圧力によって、第２極室内の気体が上方に押し上げられ、排気路に移動する。これにより、電気分解中の第２極室に水を供給することなく、第２極で生じた気体が第２極室から排出される。従って、第２給電体の表面に十分な水が供給され、電解室内での電気分解が効率よく実行される。これにより、水の利用効率が極限まで高められると共に、第１極室で生ずる気体の溶存濃度が容易に高められる。 On the other hand, the gas generated by electrolysis in the second electrode chamber is discharged from the second electrode chamber through the exhaust path. At this time, the gas in the second electrode chamber is pushed upward by the pressure of the water filled in the parallel channel that connects the exhaust channel and the lower end of the second electrode chamber, and moves to the exhaust channel. Thus, the gas generated in the second electrode is discharged from the second electrode chamber without supplying water to the second electrode chamber during electrolysis. Therefore, sufficient water is supplied to the surface of the second power feeder, and electrolysis in the electrolytic chamber is efficiently performed. Thereby, the utilization efficiency of water is increased to the limit, and the dissolved concentration of gas generated in the first electrode chamber is easily increased.
　本発明の第２発明に係る電解水サーバーでは、水の有効利用を図りつつ、タンクに貯えられる電解水に溶け込んだ気体の溶存濃度を効率よく高めることが可能となる。 In the electrolyzed water server according to the second invention of the present invention, it is possible to efficiently increase the dissolved concentration of the gas dissolved in the electrolyzed water stored in the tank while effectively utilizing water.
本発明の第１発明に係る電解水生成装置の一実施形態の概略構成を示すブロック図である。It is a block diagram which shows schematic structure of one Embodiment of the electrolyzed water generating apparatus which concerns on 1st invention of this invention. 図１の電解水生成装置の電気的構成を示すブロック図である。It is a block diagram which shows the electrical structure of the electrolyzed water generating apparatus of FIG. 図１の電解水生成装置を備えた水素水サーバーの概略構成を示すブロック図である。It is a block diagram which shows schematic structure of the hydrogen water server provided with the electrolyzed water generating apparatus of FIG. 図３の水素水サーバーの電気的構成を示すブロック図である。It is a block diagram which shows the electrical constitution of the hydrogen water server of FIG. 図４の水素水サーバーの電解水生成モードでの各部の動作及び水の流れを示す図である。It is a figure which shows the operation | movement of each part and the flow of water in the electrolyzed water production | generation mode of the hydrogen water server of FIG. 図５に続き、水素水サーバーの電解水生成モードでの各部の動作及び水の流れを示す図である。FIG. 6 is a diagram illustrating the operation of each unit and the flow of water in the electrolyzed water generation mode of the hydrogen water server, following FIG. 5. 図６に続き、水素水サーバーの電解水生成モードでの各部の動作及び水の流れを示す図である。FIG. 7 is a diagram illustrating the operation of each unit and the flow of water in the electrolyzed water generation mode of the hydrogen water server, following FIG. 6. 図３の水素水サーバーの吐水モードでの各部の動作及び水の流れを示す図である。It is a figure which shows the operation | movement of each part and the flow of water in the water discharge mode of the hydrogen water server of FIG. 図３の水素水サーバーの殺菌モードでの各部の動作及び水の流れを示す図である。It is a figure which shows the operation | movement of each part and the flow of water in the disinfection mode of the hydrogenous water server of FIG. 図９に続き、水素水サーバーの殺菌モードでの各部の動作及び水の流れを示す図である。FIG. 10 is a diagram illustrating the operation of each unit and the flow of water in the sterilization mode of the hydrogen water server, following FIG. 9.
　以下、本発明の実施の一形態が図面に基づき説明される。
　図１は、第１発明の実施形態である電解水生成装置１の概略構成を示している。電解水生成装置１は、電解槽４と、第１給水路１１ａと、出水路１２と、排気路１３と、並行水路１４とを備える。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a schematic configuration of an electrolyzed water generating apparatus 1 according to an embodiment of the first invention. The electrolyzed water generating device 1 includes an electrolyzer 4, a first water supply channel 11a, a water discharge channel 12, an exhaust channel 13, and a parallel water channel 14.
　電解槽４は、供給された水を電気分解することにより電解水素水を生成する。電解槽４は、電解室４０と、第１給電体４１と、第２給電体４２と、隔膜４３とを有している。電解室４０は、隔膜４３によって、第１給電体４１側の第１極室４０Ａと、第２給電体４２側の第２極室４０Ｂとに区切られる。 The electrolytic cell 4 generates electrolytic hydrogen water by electrolyzing the supplied water. The electrolytic cell 4 includes an electrolysis chamber 40, a first power feeding body 41, a second power feeding body 42, and a diaphragm 43. The electrolytic chamber 40 is divided by a diaphragm 43 into a first electrode chamber 40A on the first power feeder 41 side and a second electrode chamber 40B on the second power feeder 42 side.
　第１給電体４１及び第２給電体４２には、例えば、チタニウム等からなるエクスパンドメタル等の網状金属の表面に白金のめっき層が形成されたものが適用されている。このような網状の第１給電体４１及び第２給電体４２は、隔膜４３を挟持しながら、隔膜４３の表面に水を行き渡らせることができ、電解室４０内での電気分解を促進する。 As the first power supply body 41 and the second power supply body 42, for example, a surface in which a platinum plating layer is formed on a surface of a net-like metal such as an expanded metal made of titanium or the like is applied. Such a net-like first power supply body 41 and second power supply body 42 can distribute water to the surface of the diaphragm 43 while sandwiching the diaphragm 43, and promote electrolysis in the electrolytic chamber 40.
　第１給電体４１及び第２給電体４２の一方は陽極給電体として適用され、他方は陰極給電体として適用される。電解室４０の第１極室４０Ａ及び第２極室４０Ｂの両方に水が供給され、第１給電体４１及び第２給電体４２に直流電圧が印加されることにより、電解室４０内で水の電気分解が生ずる。 One of the first power supply 41 and the second power supply 42 is applied as an anode power supply, and the other is applied as a cathode power supply. Water is supplied to both the first electrode chamber 40 </ b> A and the second electrode chamber 40 </ b> B of the electrolysis chamber 40, and a direct current voltage is applied to the first power supply body 41 and the second power supply body 42. Electrolysis occurs.
　隔膜４３には、例えば、スルホン酸基を有するフッ素系樹脂からなる固体高分子膜等が適宜用いられている。隔膜４３の両面には、白金からなるめっき層が形成されている。隔膜４３のめっき層と第１給電体４１及び第２給電体４２とは、当接し、電気的に接続される。隔膜４３は、電気分解で生じたイオンを通過させる。隔膜４３を介して第１給電体４１と第２給電体４２とが電気的に接続される。固体高分子材料からなる隔膜４３が適用される場合、電解水素水のｐＨ値を上昇させることなく、溶存水素濃度を高めることができる。このような電解水素水は、例えば、透析治療での患者の酸化ストレスの低減に好適とされている。 For the diaphragm 43, for example, a solid polymer film made of a fluorine-based resin having a sulfonic acid group is appropriately used. On both surfaces of the diaphragm 43, plating layers made of platinum are formed. The plating layer of the diaphragm 43 is in contact with and electrically connected to the first power feeding body 41 and the second power feeding body 42. The diaphragm 43 allows ions generated by electrolysis to pass through. The first power supply body 41 and the second power supply body 42 are electrically connected via the diaphragm 43. When the diaphragm 43 made of a solid polymer material is applied, the dissolved hydrogen concentration can be increased without increasing the pH value of the electrolytic hydrogen water. Such electrolytic hydrogen water is suitable for reducing oxidative stress of patients in dialysis treatment, for example.
　電解室４０内で水が電気分解されることにより、水素ガス及び酸素ガスが発生する。例えば、第１給電体４１が陰極給電体として適用される場合、第１極室４０Ａでは、水素ガスが発生し、水素ガスが溶け込んだ電解水素水が生成される。一方、第２極室４０Ｂでは、酸素ガスが発生し、酸素ガスが溶け込んだ電解酸素水が生成される。第１給電体４１が陽極給電体として適用される場合、第１極室４０Ａでは、酸素ガスが発生し、酸素ガスが溶け込んだ電解酸素水が生成される。一方、第２極室４０Ｂでは、水素ガスが発生し、水素ガスが溶け込んだ電解水素水が生成される。 Electrolysis of water in the electrolysis chamber 40 generates hydrogen gas and oxygen gas. For example, when the first power supply 41 is applied as a cathode power supply, hydrogen gas is generated in the first electrode chamber 40A, and electrolytic hydrogen water in which the hydrogen gas is dissolved is generated. On the other hand, in the second electrode chamber 40B, oxygen gas is generated, and electrolytic oxygen water in which the oxygen gas is dissolved is generated. When the first power supply body 41 is applied as an anode power supply body, oxygen gas is generated in the first electrode chamber 40A, and electrolytic oxygen water in which the oxygen gas is dissolved is generated. On the other hand, in the second electrode chamber 40B, hydrogen gas is generated, and electrolytic hydrogen water in which the hydrogen gas is dissolved is generated.
　第１給水路１１ａは、第１極室４０Ａに接続されている。第１給水路１１ａは、第１極室４０Ａに電気分解される水を供給する。出水路１２は、第１極室４０Ａに接続されている。出水路１２は、第１極室４０Ａで電気分解された電解水を第１極室４０Ａから送出する。 The first water supply channel 11a is connected to the first pole chamber 40A. The first water supply channel 11a supplies water to be electrolyzed to the first pole chamber 40A. The drainage channel 12 is connected to the first pole chamber 40A. The drainage channel 12 sends the electrolyzed water electrolyzed in the first electrode chamber 40A from the first electrode chamber 40A.
　本実施形態では、第１給水路１１は、第１極室４０Ａの下端部と連通し、出水路１２は、第１極室４０Ａの上端部と連通している。これにより、第１極室４０Ａの下部から上部に大局的な水の流れが生ずる。そして、第１極室４０Ａで電気分解によって発生した気体は、微小な気泡となって第１極室４０Ａの上部に移動する。従って、気体の移動方向と大局的に水が流れる方向とが一致するため、気体が水に溶け込みやすくなり、溶存水素濃度が容易に高められる。 In the present embodiment, the first water supply channel 11 communicates with the lower end portion of the first pole chamber 40A, and the water discharge channel 12 communicates with the upper end portion of the first electrode chamber 40A. Thereby, a general flow of water is generated from the lower part to the upper part of the first electrode chamber 40A. The gas generated by the electrolysis in the first electrode chamber 40A becomes a fine bubble and moves to the upper part of the first electrode chamber 40A. Therefore, since the moving direction of the gas coincides with the direction in which water flows globally, the gas can easily dissolve in water, and the dissolved hydrogen concentration can be easily increased.
　排気路１３は、第２極室４０Ｂの上端部から上方にのびる。排気路１３は、第２極室４０Ｂで電気分解によって生じた気体を第２極室４０Ｂから排出する。第２極室４０Ｂで電気分解によって発生した気体は、微小な気泡となって第２極室４０Ｂの上部に移動する。本実施形態では、第２極室４０Ｂの上端部に排気路１３が連通しているので、気体が第２極室４０Ｂから排出されうる。 The exhaust passage 13 extends upward from the upper end of the second electrode chamber 40B. The exhaust path 13 discharges the gas generated by electrolysis in the second electrode chamber 40B from the second electrode chamber 40B. The gas generated by electrolysis in the second electrode chamber 40B becomes a fine bubble and moves to the upper part of the second electrode chamber 40B. In the present embodiment, since the exhaust path 13 communicates with the upper end portion of the second electrode chamber 40B, gas can be discharged from the second electrode chamber 40B.
　並行水路１４は、第２極室４０Ｂに沿って設けられている。並行水路１４は、排気路１３と第２極室４０Ｂの下端部とを連通させる。本実施形態では、並行水路１４は、後述する第２給水路１１ｂを介して第２極室４０Ｂに接続されている。並行水路１４は、第２極室４０Ｂに直接的に接続されていてもよい。 The parallel water channel 14 is provided along the second polar chamber 40B. The parallel water channel 14 connects the exhaust channel 13 and the lower end of the second pole chamber 40B. In this embodiment, the parallel water channel 14 is connected to the 2nd pole chamber 40B via the 2nd water supply channel 11b mentioned later. The parallel water channel 14 may be directly connected to the second electrode chamber 40B.
　図２は、給電体４１、４２に電解電流を供給するための回路を示している。給電体４１、４２に供給される電解電流Ｉは、制御部６によって制御される。 FIG. 2 shows a circuit for supplying an electrolytic current to the power feeders 41 and 42. The electrolytic current I supplied to the power feeding bodies 41 and 42 is controlled by the control unit 6.
　制御部６は、給電体４１、４２等の各部の制御を司る。制御部６は、例えば、各種の演算処理、情報処理等を実行するＣＰＵ（Central Processing Unit）及びＣＰＵの動作を司るプログラム及び各種の情報を記憶するメモリ等を有している。 The control unit 6 controls each unit such as the power feeders 41 and 42. The control unit 6 includes, for example, a CPU (Central Processing Unit) that executes various arithmetic processes, information processing, and the like, a program that controls the operation of the CPU, and a memory that stores various information.
　制御部６は、例えば、第１給電体４１及び第２給電体４２の極性を制御する。制御部６が第１給電体４１及び第２給電体４２の極性を相互に変更することにより、電解水素水又は電解酸素水のうち所望の電解水が、第１極室４０Ａから出水路１２を介して送出され、利用可能となる。 The control unit 6 controls the polarities of the first power supply 41 and the second power supply 42, for example. When the control unit 6 changes the polarities of the first power supply body 41 and the second power supply body 42 to each other, desired electrolyzed water out of the electrolyzed hydrogen water or the electrolyzed oxygen water flows from the first electrode chamber 40A through the water outlet 12. And is available for use.
　以下、特に断りのない限り、第１給電体４１が陰極給電体として適用される場合について説明するが、第１給電体４１が陽極給電体として適用される場合についても同様である。 Hereinafter, the case where the first power feeding body 41 is applied as a cathode power feeding body will be described unless otherwise specified, but the same applies to the case where the first power feeding body 41 is applied as an anode power feeding body.
　第１給電体４１と制御部６との間の電流供給ラインには、電流検出手段４４が設けられている。電流検出手段４４は、第２給電体４２と制御部６との間の電流供給ラインに設けられていてもよい。電流検出手段４４は、給電体４１、４２に供給する電解電流Ｉを検出し、その値に相当する電気信号を制御部６に出力する。 Current detection means 44 is provided in the current supply line between the first power feeder 41 and the control unit 6. The current detection unit 44 may be provided in a current supply line between the second power feeder 42 and the control unit 6. The current detection unit 44 detects the electrolytic current I supplied to the power feeding bodies 41 and 42 and outputs an electric signal corresponding to the value to the control unit 6.
　制御部６は、例えば、電流検出手段４４から出力された電気信号に基づいて、第１給電体４１及び第２給電体４２に印加する直流電圧を制御する。より具体的には、制御部６は、予め設定された溶存水素濃度に応じて、電流検出手段４４によって検出される電解電流Ｉが所望の値となるように、第１給電体４１及び第２給電体４２に印加する直流電圧をフィードバック制御する。例えば、電解電流Ｉが過大である場合、制御部６は、上記電圧を減少させ、電解電流Ｉが過小である場合、制御部６は、上記電圧を増加させる。これにより、第１給電体４１及び第２給電体４２に供給する電解電流Ｉが適切に制御される。 The control unit 6 controls the DC voltage applied to the first power supply body 41 and the second power supply body 42 based on, for example, the electric signal output from the current detection means 44. More specifically, the control unit 6 controls the first power supply body 41 and the second power supply body 41 so that the electrolysis current I detected by the current detection unit 44 becomes a desired value according to the preset dissolved hydrogen concentration. The DC voltage applied to the power feeding body 42 is feedback controlled. For example, when the electrolysis current I is excessive, the control unit 6 decreases the voltage, and when the electrolysis current I is excessive, the control unit 6 increases the voltage. Thereby, the electrolysis current I supplied to the 1st electric power feeder 41 and the 2nd electric power feeder 42 is controlled appropriately.
　図１に示されるように、第２極室４０Ｂで電気分解によって生成された酸素ガスＯは、排気路１３を介して第２極室４０Ｂから排出される。このとき、排気路１３と第２極室４０Ｂの下端部とを連通させる並行水路１４に充填された水の圧力によって、第２極室４０Ｂ内の酸素ガスＯが上方に押し上げられ、排気路１３に移動する。これにより、電気分解中の第２極室４０Ｂに水を供給することなく、第２極室４０Ｂで生じた酸素ガスＯが第２極室４０Ｂから排出される。従って、第２給電体４２の表面に十分な水が供給され、電解室４０内での電気分解が効率よく実行される。これにより、水の利用効率が極限まで高められると共に、第１極室４０Ａで生成される電解水素水の溶存水素濃度が容易に高められる。 As shown in FIG. 1, the oxygen gas O generated by electrolysis in the second electrode chamber 40B is exhausted from the second electrode chamber 40B through the exhaust passage 13. At this time, the oxygen gas O in the second electrode chamber 40B is pushed upward by the pressure of the water filled in the parallel water channel 14 that allows the exhaust channel 13 and the lower end of the second electrode chamber 40B to communicate with each other. Move to. Thus, the oxygen gas O generated in the second electrode chamber 40B is discharged from the second electrode chamber 40B without supplying water to the second electrode chamber 40B being electrolyzed. Therefore, sufficient water is supplied to the surface of the second power feeder 42, and electrolysis in the electrolysis chamber 40 is efficiently performed. Thereby, the utilization efficiency of water is increased to the limit, and the dissolved hydrogen concentration of the electrolytic hydrogen water generated in the first electrode chamber 40A is easily increased.
　ところで、第２極室４０Ｂ内の水は、電気分解によって酸素に分解され消費される。本実施形態では、排気路１３及び並行水路１４に充填されている水が第２極室４０Ｂに流入し、電気分解により消費された水が補われる。従って、排気路１３内及び並行水路１４内の水位は、電気分解の進行に伴い、徐々に低下する。 By the way, the water in the second electrode chamber 40B is decomposed into oxygen and consumed by electrolysis. In the present embodiment, the water filled in the exhaust passage 13 and the parallel water passage 14 flows into the second electrode chamber 40B, and the water consumed by the electrolysis is supplemented. Therefore, the water level in the exhaust passage 13 and the parallel water passage 14 gradually decreases as the electrolysis progresses.
　電解室４０内の水は、電気分解の原料となると共に、ジュール熱により発熱する隔膜４３を冷却する機能を有する。従って、上記水位がさらに低下して、第２極室４０Ｂの上端部よりも低下する場合、隔膜４３の温度が過度に上昇し、隔膜４３が損傷するおそれがある。しかしながら、本実施形態では、排気路１３内の水位を監視することにより、隔膜４３の損傷が抑制される。 The water in the electrolysis chamber 40 serves as a raw material for electrolysis and has a function of cooling the diaphragm 43 that generates heat by Joule heat. Therefore, when the said water level falls further and falls from the upper end part of the 2nd pole chamber 40B, there exists a possibility that the temperature of the diaphragm 43 may rise excessively and the diaphragm 43 may be damaged. However, in this embodiment, damage to the diaphragm 43 is suppressed by monitoring the water level in the exhaust passage 13.
　すなわち、排気路１３には、排気路１３内の水位を検出するための水位検出手段２８が設けられている。排気路１３内の水位と並行水路１４内の水位とは同等であるので、水位検出手段２８は、並行水路１４に設けられていてもよい。この場合、水位検出手段２８は、並行水路１４内の水位を検出する。 That is, the exhaust passage 13 is provided with a water level detection means 28 for detecting the water level in the exhaust passage 13. Since the water level in the exhaust passage 13 and the water level in the parallel water passage 14 are equivalent, the water level detection means 28 may be provided in the parallel water passage 14. In this case, the water level detection means 28 detects the water level in the parallel water channel 14.
　水位検出手段２８は、例えば、光学式の液面センサー２８ａ（図２参照）を含む。排気路１３は、少なくとも液面センサー２８ａの面する箇所で透光性を有する。液面センサー２８ａは、排気路１３に赤外線光を照射し、その透過光を検出することにより、排気路１３内の水位を検出する。例えば、液面センサー２８ａの検出領域に水が満たされている場合、赤外線光は屈折し、検出されない。一方、液面センサー２８ａの検出領域に水が満たされていない場合、赤外線光は検出される。 The water level detection means 28 includes, for example, an optical liquid level sensor 28a (see FIG. 2). The exhaust path 13 has translucency at least at a location facing the liquid level sensor 28a. The liquid level sensor 28a detects the water level in the exhaust passage 13 by irradiating the exhaust passage 13 with infrared light and detecting the transmitted light. For example, when the detection area of the liquid level sensor 28a is filled with water, infrared light is refracted and not detected. On the other hand, when the detection area of the liquid level sensor 28a is not filled with water, infrared light is detected.
　排気路１３を透過する赤外線光を用いて排気路１３内の水位を検出する光学式（非接触）の液面センサー２８ａでは、排気路１３内にセンサー等が配されることがないため、排気路１３内での雑菌の発生・繁殖が抑制されうる。 In the optical (non-contact) liquid level sensor 28 a that detects the water level in the exhaust passage 13 using infrared light that passes through the exhaust passage 13, no sensor or the like is disposed in the exhaust passage 13. Generation | occurrence | production and propagation of various bacteria in the path | route 13 can be suppressed.
　液面センサー２８ａは、排気路１３を透過した赤外線光を光電変換し、その値に相当する電気信号を制御部６に出力する。制御部６は、液面センサー２８ａから出力された電気信号に基づいて、電解槽４の動作を制御する。例えば、排気路１３内の水位が、液面センサー２８ａの検出領域よりも低下した場合、制御部６は、第１給電体４１及び第２給電体４２への電解電流Ｉの供給を停止する。これにより、電解室４０での電気分解が停止され、排気路１３内の水位のさらなる低下が抑制され、隔膜４３の損傷が抑制されうる。 The liquid level sensor 28 a photoelectrically converts the infrared light transmitted through the exhaust passage 13 and outputs an electrical signal corresponding to the value to the control unit 6. The control unit 6 controls the operation of the electrolytic cell 4 based on the electrical signal output from the liquid level sensor 28a. For example, when the water level in the exhaust passage 13 is lower than the detection region of the liquid level sensor 28a, the control unit 6 stops supplying the electrolytic current I to the first power supply body 41 and the second power supply body 42. Thereby, the electrolysis in the electrolysis chamber 40 is stopped, further lowering of the water level in the exhaust passage 13 is suppressed, and damage to the diaphragm 43 can be suppressed.
　なお、何らかの事情により、隔膜４３が破損した場合には、第２極室４０Ｂの水が第１極室４０Ａに流れ込み、排気路１３内の水位が低下する。本実施形態では、このような異常が生じた場合にあっても、排気路１３内の水位が低下したことを液面センサー２８ａが検出し、水位が第２極室４０Ｂの上端部まで低下する前に、制御部６が電解槽４の動作を停止させる。 In addition, when the diaphragm 43 is damaged for some reason, the water in the second electrode chamber 40B flows into the first electrode chamber 40A, and the water level in the exhaust passage 13 is lowered. In the present embodiment, even when such an abnormality occurs, the liquid level sensor 28a detects that the water level in the exhaust passage 13 has dropped, and the water level drops to the upper end of the second electrode chamber 40B. Before, the control unit 6 stops the operation of the electrolytic cell 4.
　本実施形態では、液面センサー２８ａは、並行水路１４が排気路１３に連通する箇所よりも下方に設けられている。これにより、長時間にわたって電解槽４を連続して運転することが可能となる。 In the present embodiment, the liquid level sensor 28 a is provided below the location where the parallel water channel 14 communicates with the exhaust channel 13. Thereby, it is possible to continuously operate the electrolytic cell 4 for a long time.
　電解水生成装置１は、第２給水路１１ｂと、給水制御弁２５とを有する。第２給水路１１ｂは、第２極室４０Ｂの下端部に接続されている。第２給水路１１ｂは、第２極室４０Ｂ及び並行水路１４に電気分解される水を供給する。 The electrolyzed water generating apparatus 1 includes a second water supply passage 11b and a water supply control valve 25. The second water supply passage 11b is connected to the lower end of the second pole chamber 40B. The second water supply channel 11 b supplies water to be electrolyzed to the second pole chamber 40 </ b> B and the parallel water channel 14.
　給水制御弁２５は、第２給水路１１ｂから第２極室４０Ｂへの給水を制御する。給水制御弁２５には、例えば、電磁力を原動力として開閉動作する電磁弁が適用されうる。給水制御弁２５の動作は、制御部６によって制御される。例えば、電解槽４にて電気分解を行なっているとき、給水制御弁２５は閉じられている。これにより、第２極室４０Ｂへの給水が停止され、水の利用効率が極限まで高められる。この場合にあっても、第２極室４０Ｂで発生した酸素ガスが上述した並行水路１４の水圧によって排出されるので、第１極室４０Ａで生成される電解水素水の溶存水素濃度は高められる。 The water supply control valve 25 controls water supply from the second water supply path 11b to the second pole chamber 40B. For example, an electromagnetic valve that opens and closes using electromagnetic force as a driving force can be applied to the water supply control valve 25. The operation of the water supply control valve 25 is controlled by the control unit 6. For example, when electrolysis is performed in the electrolytic cell 4, the water supply control valve 25 is closed. Thereby, the water supply to the 2nd pole chamber 40B is stopped, and the utilization efficiency of water is raised to the limit. Even in this case, the oxygen gas generated in the second electrode chamber 40B is discharged by the water pressure in the parallel water channel 14 described above, so that the dissolved hydrogen concentration of the electrolytic hydrogen water generated in the first electrode chamber 40A is increased. .
　給水制御弁２５は、並行水路１４が第２給水路１１ｂに連通する箇所よりも下方に設けられている。これにより、電気分解に伴う第２極室４０Ｂ内の水の消費に応じて、並行水路１４から第２極室４０Ｂに水が補充される。 The water supply control valve 25 is provided below the location where the parallel water channel 14 communicates with the second water supply channel 11b. Thereby, water is replenished to the 2nd polar chamber 40B from the parallel water channel 14 according to consumption of the water in the 2nd polar chamber 40B accompanying electrolysis.
　なお、制御部６は、電解槽４での電気分解を停止した後、給水制御弁２５を開く。これにより、第２給水路１１ｂから第２極室４０Ｂへの給水が再開され、排気路１３内の水位が元の高さに復帰する。 The control unit 6 opens the water supply control valve 25 after stopping the electrolysis in the electrolytic cell 4. Thereby, the water supply from the 2nd water supply path 11b to the 2nd pole chamber 40B is restarted, and the water level in the exhaust path 13 returns to the original height.
　図３は、第２発明の実施形態である水素水サーバー１００の概略構成を示している。図４は、水素水サーバー１００の電気的構成を示している。水素水サーバー１００は、電解水生成装置１を備え、電解水生成装置１によって生成された水素が溶け込んだ電解水素水を随時提供可能に貯える装置である。水素水サーバー１００によって提供された電解水素水は、飲用又は料理用等の水として用いることができる。 FIG. 3 shows a schematic configuration of the hydrogen water server 100 according to the embodiment of the second invention. FIG. 4 shows the electrical configuration of the hydrogen water server 100. The hydrogen water server 100 is an apparatus that includes the electrolyzed water generating device 1 and stores the electrolyzed hydrogen water in which hydrogen generated by the electrolyzed water generating device 1 is dissolved so as to be provided as needed. The electrolytic hydrogen water provided by the hydrogen water server 100 can be used as drinking or cooking water.
　第１発明の電解水生成装置１を備えた水素水サーバー１００では、水の有効利用を図りつつ、タンク３に貯えられる電解水素水の溶存水素濃度を効率よく高めることが可能となる。 In the hydrogen water server 100 equipped with the electrolyzed water generating apparatus 1 of the first invention, it is possible to efficiently increase the dissolved hydrogen concentration of the electrolyzed hydrogen water stored in the tank 3 while effectively using water.
　図３及び４に示されるように、水素水サーバー１００は、浄水フィルター２と、タンク３と、操作部５と、循環水路１５と、吐水路１６をさらに備えている。 3 and 4, the hydrogen water server 100 further includes a water purification filter 2, a tank 3, an operation unit 5, a circulation water channel 15, and a water discharge channel 16.
　浄水フィルター２は、タンク３に供給される水を浄化する。浄水フィルター２は、水素水サーバー１００の本体部に対して着脱により交換可能に構成されている。浄水フィルター２は、タンク３の上流側の入水路１０に設けられている。入水路１０には、原水が供給される。原水には、一般的には水道水が利用されるが、その他、例えば、井戸水、地下水等を用いることができる。入水路１０は、入水弁２１を有する。入水弁２１は、水素水サーバー１００への通水量を制御する。 The water filter 2 purifies the water supplied to the tank 3. The water purification filter 2 is configured to be replaceable by attaching to and detaching from the main body of the hydrogen water server 100. The water purification filter 2 is provided in the water inlet 10 on the upstream side of the tank 3. Raw water is supplied to the water inlet 10. As the raw water, tap water is generally used, but well water, ground water, and the like can be used. The water inlet 10 has a water inlet valve 21. The water inlet valve 21 controls the amount of water flow to the hydrogen water server 100.
　本実施形態の浄水フィルター２は、プレフィルター２Ａ、カーボン（活性炭）フィルター２Ｂ及び中空糸膜フィルター２Ｃを含む。プレフィルター２Ａ、カーボン（活性炭）フィルター２Ｂ及び中空糸膜フィルター２Ｃは、それぞれ水素水サーバー１００の本体部に対して着脱により交換可能に構成されている。プレフィルター２Ａは、最も上流側に配され、例えば原水に含まれる０．５μｍ以上の物質を除去する。カーボンフィルター２Ｂは、プレフィルター２Ａの下流側に配され、プレフィルター２Ａを通過した物質を吸着によって除去する。中空糸膜フィルター２Ｃは、カーボンフィルター２Ｂの下流側に配され、プレフィルター２Ａ及びカーボンフィルター２Ｂを通過した例えば０．１μｍ以上の物質を除去する。 The water purification filter 2 of the present embodiment includes a prefilter 2A, a carbon (activated carbon) filter 2B, and a hollow fiber membrane filter 2C. The pre-filter 2A, the carbon (activated carbon) filter 2B, and the hollow fiber membrane filter 2C are each configured to be exchangeable by attaching to and detaching from the main body of the hydrogen water server 100. The pre-filter 2A is arranged on the most upstream side, and removes a material of 0.5 μm or more contained in raw water, for example. The carbon filter 2B is disposed on the downstream side of the prefilter 2A, and removes the substance that has passed through the prefilter 2A by adsorption. The hollow fiber membrane filter 2C is disposed on the downstream side of the carbon filter 2B, and removes, for example, a 0.1 μm or more substance that has passed through the pre-filter 2A and the carbon filter 2B.
　タンク３は、浄水フィルター２を通過した水を貯える。制御部６は、水量センサー３１から出力された電気信号に基づいて、入水弁２１の開閉を制御することにより、タンク３の貯水量を適切に維持する。図３に示されるように、水量センサー３１は、タンク３の上部に設けられている。水量センサー３１は、例えば、水に浮くフロート部を有する。上記液面センサー２８ａと同様に、水量センサー３１は、光学式のセンサーであってもよい。本実施形態では、水量センサー３１は、タンク３の上部に設けられ、タンク３の貯水量が略満水状態となったとき、その旨の電気信号を制御部６に出力する。 Tank 3 stores the water that has passed through the water purification filter 2. The control unit 6 appropriately maintains the amount of water stored in the tank 3 by controlling the opening and closing of the water inlet valve 21 based on the electrical signal output from the water amount sensor 31. As shown in FIG. 3, the water amount sensor 31 is provided in the upper part of the tank 3. The water amount sensor 31 has, for example, a float that floats on water. Similar to the liquid level sensor 28a, the water amount sensor 31 may be an optical sensor. In the present embodiment, the water amount sensor 31 is provided in the upper part of the tank 3 and outputs an electrical signal to that effect to the control unit 6 when the amount of water stored in the tank 3 is substantially full.
　制御部６は、水量センサー３１から上述した満水状態である旨の電気信号の入力を受けていないとき、入水弁２１を開放状態に制御する。これにより、タンク３に水が適宜補充され、貯水量が適切に維持される。 The control unit 6 controls the water inlet valve 21 to be in an open state when it does not receive an electric signal indicating that the water level is in the above-described state from the water amount sensor 31. Thereby, the tank 3 is appropriately replenished with water, and the amount of stored water is maintained appropriately.
　タンク３に貯えられた水は、上流側の循環水路１５を介して電解槽４に供給され、電気分解された後、下流側の循環水路１５を介してタンク３に戻る。従って、タンク３は、第１極室４０Ａで生成された電解水素水を貯える。 The water stored in the tank 3 is supplied to the electrolytic cell 4 through the upstream circulation channel 15 and electrolyzed, and then returns to the tank 3 through the downstream circulation channel 15. Accordingly, the tank 3 stores the electrolytic hydrogen water generated in the first electrode chamber 40A.
　循環水路１５は、タンク３と電解室４０との間で電解水を循環させる。循環水路１５は、電解水生成装置１の第１給水路１１ａ及び出水路１２を含む。また、電解水生成装置１の第２給水路１１ｂ及び排気路１３は、循環水路１５としても機能しうる。第１給水路１１ａには流量センサー２７Ａが、第２給水路１１ｂには流量センサー２７Ｂがそれぞれ設けられている。流量センサー２７Ａは、第１給水路１１ａを流れる水量を検出する。流量センサー２７Ｂは、第２給水路１１ｂを流れる水量を検出する。 The circulating water channel 15 circulates the electrolytic water between the tank 3 and the electrolysis chamber 40. The circulation water channel 15 includes the first water supply channel 11 a and the water discharge channel 12 of the electrolyzed water generating device 1. Further, the second water supply passage 11 b and the exhaust passage 13 of the electrolyzed water generating apparatus 1 can also function as the circulation water passage 15. A flow rate sensor 27A is provided in the first water supply path 11a, and a flow rate sensor 27B is provided in the second water supply path 11b. The flow sensor 27A detects the amount of water flowing through the first water supply channel 11a. The flow sensor 27B detects the amount of water flowing through the second water supply channel 11b.
　循環水路１５は、循環水路１５ａ、１５ｂ及び１５ｃを含む。循環水路１５ａは、電解水生成装置１に電気分解される水を供給する。循環水路１５ａは、上流の一端側でタンク３に接続され、下流の他端側で第１給水路１１ａ及び第２給水路１１ｂに分岐する。循環水路１５ａには、ポンプ２２が設けられている。ポンプ２２は、循環水路１５内の水を駆動して、循環水路１５内を循環させる。循環水路１５内で水を循環させながら、電解槽４で電気分解を行なうことにより、タンク３内に貯えられた水の溶存水素濃度が高められる。 Circulating water channel 15 includes circulating water channels 15a, 15b and 15c. The circulating water channel 15 a supplies water to be electrolyzed to the electrolyzed water generator 1. The circulating water channel 15a is connected to the tank 3 at one upstream end, and branches to the first water supplying channel 11a and the second water supplying channel 11b at the other downstream end. A pump 22 is provided in the circulation water channel 15a. The pump 22 drives the water in the circulation water channel 15 to circulate in the circulation water channel 15. By performing electrolysis in the electrolytic cell 4 while circulating water in the circulation channel 15, the dissolved hydrogen concentration of the water stored in the tank 3 is increased.
　循環水路１５ｂは、一端が流路切替弁２３を介して出水路１２に、他端がタンク３にそれぞれ接続されている。第１極室４０Ａで生成された電解水素水は、循環水路１５ｂ及び出水路１２を経てタンク３に戻る。循環水路１５ｃは、排気路１３と接続されている。循環水路１５ｃの先端部は、タンク３の内部に配され、循環水路１５ｂより低く位置されている。 One end of the circulating water channel 15 b is connected to the water discharge channel 12 via the flow channel switching valve 23, and the other end is connected to the tank 3. The electrolytic hydrogen water generated in the first electrode chamber 40A returns to the tank 3 through the circulation water channel 15b and the water discharge channel 12. The circulation water channel 15 c is connected to the exhaust channel 13. The tip of the circulating water channel 15c is arranged inside the tank 3 and is positioned lower than the circulating water channel 15b.
　排気路１３の先端部には、排気手段２４が設けられている。排気手段２４は、排気路１３内の流体から気体のみを分離して排出する。第２極室４０Ｂで生成された酸素ガスは、排気手段２４によって排出される。 Exhaust means 24 is provided at the tip of the exhaust passage 13. The exhaust means 24 separates and discharges only the gas from the fluid in the exhaust path 13. The oxygen gas generated in the second electrode chamber 40B is exhausted by the exhaust means 24.
　吐水路１６は、第１極室４０Ａで生成された水素水を吐水するための流路である。本実施形態の吐水路１６は、流路切替弁２３を介して出水路１２に接続されている。これにより、水素水サーバー１００の構成が簡素化される。 The water discharge path 16 is a flow path for discharging the hydrogen water generated in the first polar chamber 40A. The water discharge path 16 of the present embodiment is connected to the water discharge path 12 via the flow path switching valve 23. Thereby, the structure of the hydrogen water server 100 is simplified.
　流路切替弁２３には、いわゆる三方弁が適用されうる。流路切替弁２３は、水素水サーバー１００の運転モードに応じて制御部６によって制御され、出水路１２よりも下流側の流路の一部又は全部を循環水路１５ｂ又は吐水路１６に切り替える。すなわち、電解水素水を生成するモードでは、出水路１２よりも下流側の流路の全部が循環水路１５ｂとされる。そして、電解水素水を吐水するモードでは、出水路１２よりも下流側の流路の一部又は全部が吐水路１６へと切り替えられる。これにより、簡素な構成で流路の切替が実現可能となる。なお、吐水路１６は、第１極室４０Ａに直接的に接続されていてもよい。 A so-called three-way valve can be applied to the flow path switching valve 23. The flow path switching valve 23 is controlled by the control unit 6 according to the operation mode of the hydrogen water server 100, and switches part or all of the flow path downstream from the water discharge path 12 to the circulation water path 15 b or the water discharge path 16. That is, in the mode in which the electrolytic hydrogen water is generated, the entire flow path downstream from the water discharge path 12 is the circulation water path 15b. In the mode of discharging the electrolytic hydrogen water, a part or all of the flow path on the downstream side of the water discharge path 12 is switched to the water discharge path 16. Thereby, switching of a flow path can be realized with a simple configuration. The water discharge path 16 may be directly connected to the first pole chamber 40A.
　吐水路１６の先端側には、吐水口１６ａが設けられている。吐水口１６ａの下方には、カップ５００等を載置可能な空間が形成され、カップ５００からこぼれた水を収集するための受け皿部１６ｂが設けられている。 A water outlet 16 a is provided at the front end side of the water discharge path 16. A space in which the cup 500 or the like can be placed is formed below the water discharge port 16a, and a tray 16b for collecting water spilled from the cup 500 is provided.
　図４に示される操作部５は、ユーザーによって操作されるスイッチ又は静電容量を検出するタッチパネル等（図示せず）を有する。ユーザーは、操作部５を操作することにより、例えば、後述する水素水サーバー１００の運転モードを設定することができる。ユーザーによって操作部５が操作されると、操作部５は対応する電気信号を制御部６に出力する。制御部６は、操作部５から入力された電気信号に応じて、水素水サーバー１００の各部を制御する。 The operation unit 5 shown in FIG. 4 includes a switch operated by a user, a touch panel for detecting capacitance, or the like (not shown). The user can set the operation mode of the hydrogen water server 100 to be described later, for example, by operating the operation unit 5. When the operation unit 5 is operated by the user, the operation unit 5 outputs a corresponding electrical signal to the control unit 6. The control unit 6 controls each unit of the hydrogen water server 100 according to the electric signal input from the operation unit 5.
　水素水の循環にあたって、制御部６は、ポンプ２２の駆動電圧を制御する。このとき、制御部６は、流量センサー２７Ａによって検出された流量を監視しながら、ポンプ２２の駆動電圧を制御する。これにより、タンク３に貯えられた水素水が、タンク３と第１極室４０Ａとの間の循環水路１５を循環する。さらに制御部６は、第１給電体４１及び第２給電体４２に電解電圧を印加する。これにより、電解室４０に供給された電解水がさらに電気分解され、タンク３内に貯えられた水素水の溶存水素濃度が高く維持されうる。何らかの事情により、流量センサー２７Ａ及び２７Ｂによって検出された流量が十分な値に満たない場合は、制御部６は、第１給電体４１及び第２給電体４２への電解電圧の印加を停止する。これにより、電解室４０に電解水が十分に供給されていない状態での電解電圧の印加が防止されうる。 When circulating the hydrogen water, the control unit 6 controls the drive voltage of the pump 22. At this time, the control unit 6 controls the drive voltage of the pump 22 while monitoring the flow rate detected by the flow rate sensor 27A. Thereby, the hydrogen water stored in the tank 3 circulates in the circulating water path 15 between the tank 3 and the first pole chamber 40A. Further, the control unit 6 applies an electrolytic voltage to the first power feeding body 41 and the second power feeding body 42. Thereby, the electrolyzed water supplied to the electrolysis chamber 40 is further electrolyzed, and the dissolved hydrogen concentration of the hydrogen water stored in the tank 3 can be maintained high. If the flow rate detected by the flow rate sensors 27A and 27B is less than a sufficient value for some reason, the control unit 6 stops applying the electrolytic voltage to the first power supply body 41 and the second power supply body 42. Thereby, the application of the electrolysis voltage in a state where the electrolyzed water is not sufficiently supplied to the electrolysis chamber 40 can be prevented.
　タンク３に貯えられた水素水が消費されると、水量センサー３１から出力された電気信号に基づいて、制御部６は、入水弁２１を開放し、入水路１０からタンク３に水が補充される。このとき、タンク３に貯えられた水素水の溶存水素濃度が低下するため、制御部６は、タンク３と第１極室４０Ａとの間の循環水路１５でタンク３に貯えられた水素水を再び循環させながら、電解室４０で電気分解させ、溶存水素濃度を高める。 When the hydrogen water stored in the tank 3 is consumed, based on the electrical signal output from the water amount sensor 31, the control unit 6 opens the water inlet valve 21 and the tank 3 is replenished with water from the water inlet 10. The At this time, since the dissolved hydrogen concentration of the hydrogen water stored in the tank 3 decreases, the control unit 6 uses the circulating water channel 15 between the tank 3 and the first pole chamber 40A to store the hydrogen water stored in the tank 3. While circulating again, electrolysis is performed in the electrolysis chamber 40 to increase the dissolved hydrogen concentration.
　図３に示されるように、タンク３には、冷却装置７が接続されている。冷却装置７は、冷媒を冷却してタンク３の外壁に供給することにより、タンク３を冷却する。冷却装置７の動作は、制御部６によって制御される。これにより、冷却装置７によってタンク３に貯えられた水素水が所望の温度に冷却される。従って、ユーザーの要求に応じて、冷却された水素水を随時提供することが可能となり、水素水サーバー１００の使い勝手が高められる。 As shown in FIG. 3, a cooling device 7 is connected to the tank 3. The cooling device 7 cools the tank 3 by cooling the refrigerant and supplying it to the outer wall of the tank 3. The operation of the cooling device 7 is controlled by the control unit 6. Thereby, the hydrogen water stored in the tank 3 is cooled to a desired temperature by the cooling device 7. Accordingly, it is possible to provide cooled hydrogen water as needed according to the user's request, and the usability of the hydrogen water server 100 is improved.
　本実施形態では、制御部６による管理の下で、タンク３に貯えられた水素水は、定期的に入れ替えられる。水素水の入れ替えにあたっては、まず、タンク３に貯えられた水素水が排出され、その後、入水路１０から新たな水がタンク３に供給される。 In the present embodiment, the hydrogen water stored in the tank 3 is periodically replaced under the control of the control unit 6. In the replacement of the hydrogen water, first, the hydrogen water stored in the tank 3 is discharged, and then new water is supplied from the water inlet 10 to the tank 3.
　タンク３には、水素水を排出するための排水路１７が接続されている。本実施形態では、循環水路１５ａの一部を介してタンク３と排水路１７とが接続されている。タンク３と排水路１７とが直接的に接続される構成であってもよい。 The drain 3 for discharging the hydrogen water is connected to the tank 3. In this embodiment, the tank 3 and the drainage channel 17 are connected via a part of the circulation channel 15a. The tank 3 and the drainage channel 17 may be configured to be directly connected.
　排水路１７には、排水弁２６が設けられている。排水弁２６は、制御部６によって制御され開閉動作する。排水弁２６が開かれると、タンク３に貯えられた水素水が排水口１７ａから排出される。 The drainage channel 17 is provided with a drainage valve 26. The drain valve 26 is controlled by the control unit 6 to open and close. When the drain valve 26 is opened, the hydrogen water stored in the tank 3 is discharged from the drain port 17a.
　上記受け皿部１６ｂは、水路１６ｃを介して排水路１７に接続されている。受け皿部１３ｂによって収集された水は、水路１６ｃを経由して排水路１７から排出される。 The tray portion 16b is connected to the drainage channel 17 through the water channel 16c. The water collected by the tray part 13b is discharged from the drainage channel 17 through the water channel 16c.
　図３に示されるように、タンク３には、水を加熱するためのヒーター（加熱手段）８が設けられている。ヒーター８は、ジュール熱によって発熱し、タンク３に貯えられた水を加熱する。また、循環水路１５のタンク３とポンプ２２との間には、ヒーター（加熱手段）８Ａが設けられている。ヒーター８Ａは、循環水路１５を構成する管の一部に設けられている。ヒーター８Ａは、ジュール熱によって発熱し、循環水路１５内の水を加熱する。ヒーター８及び８Ａは、制御部６によって制御される。ヒーター８又は８Ａのうち、いずれか一方のみが加熱手段として適用されていてもよい。 As shown in FIG. 3, the tank 3 is provided with a heater (heating means) 8 for heating water. The heater 8 generates heat due to Joule heat, and heats the water stored in the tank 3. A heater (heating means) 8 </ b> A is provided between the tank 3 of the circulation water channel 15 and the pump 22. The heater 8 </ b> A is provided in a part of the pipe constituting the circulation water channel 15. The heater 8 </ b> A generates heat due to Joule heat and heats the water in the circulation water channel 15. The heaters 8 and 8A are controlled by the control unit 6. Only one of the heaters 8 and 8A may be applied as the heating means.
　制御部６は、ヒーター８及び８Ａを制御して、タンク３に貯えられた水及び循環水路１５内の水を加熱させる。これにより、タンク３内及び循環水路１５内で熱水が生成され、タンク３及び循環水路１５内が熱水によって殺菌され、細菌等の繁殖が抑制される。 The controller 6 controls the heaters 8 and 8A to heat the water stored in the tank 3 and the water in the circulation channel 15. As a result, hot water is generated in the tank 3 and the circulating water channel 15, the inside of the tank 3 and the circulating water channel 15 is sterilized by the hot water, and propagation of bacteria and the like is suppressed.
　水素水サーバー１００は、運転モードとして、電気分解によって水素水を生成し、タンク３に貯える「電解水生成モード」と、タンク３に貯えられた水素水を吐水する「吐水モード」と、タンク３及び電解槽４等を殺菌する「殺菌モード」とを有する。 The hydrogen water server 100 generates hydrogen water by electrolysis and stores it in the tank 3 as an operation mode, an “electrolyzed water generation mode” for storing the hydrogen water stored in the tank 3, and a “water discharge mode” for discharging the hydrogen water stored in the tank 3. And “sterilization mode” for sterilizing the electrolytic cell 4 and the like.
　図５乃至７は、電解水生成モードでの水素水サーバー１００の各部の動作及び水の流れを示している。同図では、水の満たされている領域がハッチングで示されている（以下、図８乃至１０においても同様とする）。 5 to 7 show the operation of each part of the hydrogen water server 100 and the flow of water in the electrolyzed water generation mode. In the figure, the region filled with water is indicated by hatching (hereinafter, the same applies to FIGS. 8 to 10).
　電解水生成モードでは、流路切替弁２３の循環水路１５ｂ側の流路は開かれ、吐水路１６側の流路は閉じられている。また、第２給水路１１ｂの給水制御弁２５は、閉じられている。さらに、排水弁２６は閉じられ、入水弁２１はタンク３の貯水量に応じて適宜開閉される。 In the electrolyzed water generation mode, the flow path on the circulating water path 15b side of the flow path switching valve 23 is opened, and the flow path on the water discharge path 16 side is closed. Moreover, the water supply control valve 25 of the 2nd water supply path 11b is closed. Further, the drain valve 26 is closed, and the water inlet valve 21 is appropriately opened and closed according to the amount of water stored in the tank 3.
　図５に示される初期状態では、排気路１３内の水位ｈは、タンク３と同等である。ポンプ２２が駆動され、第１給電体４１及び第２給電体４２に電解電圧が印加されると、第１極室４０Ａ及び第２極室４０Ｂで電気分解が生じる。第１極室４０Ａで発生した水素ガスは、電解水に溶け込んだ状態でタンク３に回収され、タンク３内の水の溶存水素濃度が高められる。 In the initial state shown in FIG. 5, the water level h in the exhaust passage 13 is equivalent to the tank 3. When the pump 22 is driven and an electrolytic voltage is applied to the first power supply body 41 and the second power supply body 42, electrolysis occurs in the first electrode chamber 40A and the second electrode chamber 40B. The hydrogen gas generated in the first electrode chamber 40A is collected in the tank 3 while being dissolved in the electrolyzed water, and the dissolved hydrogen concentration in the water in the tank 3 is increased.
　一方、第２極室４０Ｂで発生した酸素ガスＯは、気泡となって、排気路１３及び排気手段２４を介して排出される。既に述べたように、本実施形態では、並行水路１４に充填された水の圧力によって、第２極室４０Ｂ内の酸素ガスＯが上方に押し上げられ、排気路１３に移動する。これにより、電気分解中の第２極室４０Ｂに水を供給することなく、（すなわち、第２極室４０Ｂに水流を生じさせることなく）第２極室４０Ｂで生じた酸素ガスＯが第２極室４０Ｂから排出される。従って、第２給電体４２の表面に十分な水が供給され、電解室４０内での電気分解が効率よく実行される。 On the other hand, the oxygen gas O generated in the second electrode chamber 40B becomes bubbles and is exhausted through the exhaust passage 13 and the exhaust means 24. As already described, in the present embodiment, the oxygen gas O in the second electrode chamber 40B is pushed upward by the pressure of the water filled in the parallel water passage 14 and moves to the exhaust passage 13. As a result, the oxygen gas O generated in the second electrode chamber 40B is supplied to the second electrode chamber 40B without electrolysis without supplying water to the second electrode chamber 40B being electrolyzed (that is, without causing water flow in the second electrode chamber 40B). It is discharged from the polar chamber 40B. Therefore, sufficient water is supplied to the surface of the second power feeder 42, and electrolysis in the electrolysis chamber 40 is efficiently performed.
　電解水生成モードでは、給水制御弁２５が閉じられているので、第２極室４０Ｂ内の水は、排気路１３及び循環水路１５ｃを介してタンク３に戻ることはない。従って、第２極室４０Ｂ内の水の流入によって、タンク３内の水の溶存水素濃度の上昇が阻害されることがなく、電解水素水の溶存水素濃度を容易に高めることが可能となる。 In the electrolyzed water generation mode, since the water supply control valve 25 is closed, the water in the second electrode chamber 40B does not return to the tank 3 via the exhaust passage 13 and the circulation water passage 15c. Therefore, the increase in the dissolved hydrogen concentration of the water in the tank 3 is not hindered by the inflow of water in the second electrode chamber 40B, and the dissolved hydrogen concentration of the electrolytic hydrogen water can be easily increased.
　電解水生成モードでは、給水制御弁２５が閉じられていることに伴い、図６に示されるように、第２極室４０Ｂ内の水は消費され、排気路１３及び並行水路１４の水位ｈが徐々に低下する。 In the electrolyzed water generation mode, as the water supply control valve 25 is closed, as shown in FIG. 6, the water in the second electrode chamber 40B is consumed, and the water level h of the exhaust passage 13 and the parallel water passage 14 is changed. Decrease gradually.
　そして、図７に示されるように、排気路１３の水位ｈの低下が液面センサー２８ａによって検知されると、制御部６は、ポンプ２２を停止すると共に、第１給電体４１及び第２給電体４２への電解電圧の印加を停止する。これにより、電解室４０での電気分解が停止される。そして、制御部６は、給水制御弁２５を開くことにより、第２給水路１１ｂから第２極室４０Ｂ及び並行水路１４に水が供給され、排気路１３の水位ｈが図５に示される初期状態に復帰する。給水制御弁２５を開いて排気路１３の水位ｈを初期状態に復帰させる際には、ポンプ２２の駆動が併用されてもよい。この場合、より短時間で排気路１３の水位ｈが初期状態に復帰する。また、第１給電体４１及び第２給電体４２への電解電圧の印加が継続されていてもよい。 Then, as shown in FIG. 7, when the decrease in the water level h in the exhaust passage 13 is detected by the liquid level sensor 28 a, the control unit 6 stops the pump 22, and the first power feeding body 41 and the second power feeding. The application of the electrolysis voltage to the body 42 is stopped. Thereby, the electrolysis in the electrolysis chamber 40 is stopped. And the control part 6 opens the water supply control valve 25, and water is supplied to the 2nd pole chamber 40B and the parallel water channel 14 from the 2nd water supply channel 11b, and the water level h of the exhaust channel 13 is the initial stage which is shown by FIG. Return to the state. When opening the water supply control valve 25 and returning the water level h of the exhaust passage 13 to the initial state, the driving of the pump 22 may be used in combination. In this case, the water level h in the exhaust passage 13 returns to the initial state in a shorter time. Moreover, the application of the electrolysis voltage to the 1st electric power feeder 41 and the 2nd electric power feeder 42 may be continued.
　図８は、吐水モードでの水素水サーバー１００の各部の動作及び水の流れを示している。吐水モードでは、図５、６に示される電解水生成モードの状態から、流路切替弁２３によって、第１極室４０Ａを通過した電解水素水の流路が切り替えられる。すなわち、吐水モードでは、循環水路１５ｂ側の流路は閉じられ、吐水路１６側の流路が開かれる。この状態でポンプ２２が駆動することにより、第１極室４０Ａを通過した電解水素水は、吐水路１６に流入し、吐水口１６ａから吐出される。このとき、制御部６が、第１給電体４１及び第２給電体４２に電解電圧を印加するように、構成されていてよい。 FIG. 8 shows the operation of each part of the hydrogen water server 100 and the flow of water in the water discharge mode. In the water discharge mode, the flow path of the electrolytic hydrogen water that has passed through the first electrode chamber 40A is switched by the flow path switching valve 23 from the state of the electrolyzed water generation mode shown in FIGS. That is, in the water discharge mode, the flow path on the circulating water path 15b side is closed and the flow path on the water discharge path 16 side is opened. When the pump 22 is driven in this state, the electrolytic hydrogen water that has passed through the first electrode chamber 40A flows into the water discharge passage 16 and is discharged from the water discharge port 16a. At this time, the control unit 6 may be configured to apply an electrolytic voltage to the first power supply body 41 and the second power supply body 42.
　図９及び１０は、殺菌モードでの水素水サーバー１００の各部の動作及び水の流れを時系列で示している。殺菌モードでは、タンク３内及び循環水路１５内の水が加熱されて循環され、タンク３、電解槽４及び循環水路１５等の各部が加熱により殺菌される。このとき、循環水路１５は、ヒーター８及び８Ａによって加熱された熱水を電解室４０、第１給水路１１ａ、第２給水路１１ｂ、出水路１２、排気路１３及び並行水路１４に供給する熱水路として機能する。これにより、水素水サーバー１００内の各部での細菌等の繁殖が抑制される。殺菌モードは、制御部６の管理の下、定期的に実行される。例えば、殺菌モードは、毎日の深夜の時間帯等に実行される。殺菌モードを実行する時間帯等は、例えば、ユーザーが操作部５を操作して適宜設定することができる。 9 and 10 show the operation of each part of the hydrogen water server 100 in the sterilization mode and the flow of water in time series. In the sterilization mode, the water in the tank 3 and the circulating water channel 15 is heated and circulated, and each part such as the tank 3, the electrolytic cell 4, the circulating water channel 15 and the like is sterilized by heating. At this time, the circulating water channel 15 supplies the hot water heated by the heaters 8 and 8A to the electrolysis chamber 40, the first water supply channel 11a, the second water supply channel 11b, the water discharge channel 12, the exhaust channel 13, and the parallel water channel 14. Functions as a waterway. Thereby, propagation of bacteria and the like in each part in the hydrogen water server 100 is suppressed. The sterilization mode is periodically executed under the control of the control unit 6. For example, the sterilization mode is executed every day at midnight. For example, the time period for executing the sterilization mode can be appropriately set by the user operating the operation unit 5.
　殺菌モードでは、排気路１３、並行水路１４及び循環水路１５ｃにも、熱水が満たされる。排気路１３の先端に設けられている排気手段２４は、排気路１３内に熱水を留め、排気路１３の先端からの水漏れを防止する。 In the sterilization mode, the exhaust passage 13, the parallel water passage 14, and the circulation water passage 15c are also filled with hot water. The exhaust means 24 provided at the tip of the exhaust passage 13 keeps hot water in the exhaust passage 13 and prevents water leakage from the tip of the exhaust passage 13.
　殺菌モードでは、制御部６によって、流路切替弁２３及び排水弁２６の状態は、当初電解水生成モードと同等に制御される。すなわち流路切替弁２３の循環水路１５ｂ側の流路は開かれ、吐水路１６側の流路は閉じられている。そして、排水弁２６は閉じられている。さらに、殺菌モードでは、給水制御弁２５が開かれる。この状態でポンプ２２が駆動されると、第２極室４０Ｂ、流量センサー２７Ｂ、第２給水路１１ｂ及び循環水路１５ｃにも十分な熱水が供給され、第２極室４０Ｂ、流量センサー２７Ｂ、第２給水路１１ｂ及び循環水路１５ｃ等が熱水によって加熱され殺菌される。 In the sterilization mode, the state of the flow path switching valve 23 and the drain valve 26 is controlled by the control unit 6 in the same manner as in the initial electrolyzed water generation mode. That is, the flow path on the circulating water path 15b side of the flow path switching valve 23 is opened, and the flow path on the water discharge path 16 side is closed. The drain valve 26 is closed. Further, in the sterilization mode, the water supply control valve 25 is opened. When the pump 22 is driven in this state, sufficient hot water is also supplied to the second pole chamber 40B, the flow rate sensor 27B, the second water supply path 11b, and the circulation water path 15c, and the second pole chamber 40B, the flow rate sensor 27B, The second water supply passage 11b, the circulation water passage 15c and the like are heated and sterilized by hot water.
　第２極室４０Ｂに供給される熱水の流量は、第１極室４０Ａに供給される熱水の流量と同等に設定されるのが望ましい。これにより、第２極室４０Ｂにも第１極室４０Ａと同量の熱水が供給され第２極室４０Ｂ、流量センサー２７Ｂ、第２給水路１１ｂ及び循環水路１５ｃ等が十分に殺菌されうる。 It is desirable that the flow rate of hot water supplied to the second electrode chamber 40B is set to be equal to the flow rate of hot water supplied to the first electrode chamber 40A. Thereby, the same amount of hot water as that of the first electrode chamber 40A is supplied to the second electrode chamber 40B, and the second electrode chamber 40B, the flow rate sensor 27B, the second water supply channel 11b, the circulating water channel 15c, and the like can be sufficiently sterilized. .
　なお、ヒーター８及び８Ａを制御して、タンク３に貯えられた水及び循環水路１５内の水を加熱するにあたっては、予め排水弁２６を開いて、排水路１７からタンク３に貯えられた水の一部を排出してもよい。この場合、加熱する水が少量となるため、短時間かつ少ない電力で加熱を完了させることが可能となる。 When the water stored in the tank 3 and the water in the circulation water channel 15 are heated by controlling the heaters 8 and 8A, the water stored in the tank 3 from the drain channel 17 is opened by opening the drain valve 26 in advance. A part of may be discharged. In this case, since the amount of water to be heated is small, heating can be completed in a short time and with a small amount of power.
　さらにこの場合、殺菌モードでのタンク３内の熱水は、水蒸気を含むのが望ましい。タンク３内に水蒸気が充満されることにより、タンク３の貯水量が減じられることに起因する熱水が浸かってないタンク３の上部領域が水蒸気によって殺菌される。例えば、水量センサー３１及び天壁３３等が水蒸気によって殺菌される。 Furthermore, in this case, it is desirable that the hot water in the tank 3 in the sterilization mode contains water vapor. By filling the tank 3 with water vapor, the upper region of the tank 3 where hot water resulting from the reduction of the amount of water stored in the tank 3 is not immersed is sterilized with water vapor. For example, the water amount sensor 31 and the ceiling wall 33 are sterilized with water vapor.
　なお、短時間で十分な殺菌効果を得るために、熱水の温度は、例えば、７５℃以上が望ましい。 In addition, in order to obtain a sufficient sterilizing effect in a short time, the temperature of hot water is preferably 75 ° C. or higher, for example.
　タンク３及び電解槽４等の殺菌が完了すると、制御部６は、ヒーター８及び８Ａをオフし、加熱を終了すると共に、ポンプ２２の駆動を終了する。そして、図１０に示されるように、排水弁２６を開いて、タンク３、循環水路１５及び電解槽４等から熱水を排出する。また、流路切替弁２３の循環水路１５ｂ側の流路は閉じられ、吐水路１６側の流路は開かれることにより、吐水路１６から熱水を排出する。このとき、吐水路１６及び排水路１７を通過する熱水によって、吐水路１６及び排水路１７が殺菌される。また、吐水口１６ａから吐出された熱水は、受け皿部１６ｂによって収集され、水路１６ｃを通過して排水路１７に至る。これにより、受け皿部１６ｂ及び水路１６ｃが殺菌される。 When the sterilization of the tank 3 and the electrolytic cell 4 is completed, the control unit 6 turns off the heaters 8 and 8A, ends the heating, and ends the driving of the pump 22. And as FIG. 10 shows, the drain valve 26 is opened and hot water is discharged | emitted from the tank 3, the circulating water channel 15, and the electrolytic cell 4 grade | etc.,. Further, the flow path on the circulating water path 15 b side of the flow path switching valve 23 is closed, and the flow path on the water discharge path 16 side is opened, whereby hot water is discharged from the water discharge path 16. At this time, the water discharge path 16 and the drainage path 17 are sterilized by the hot water passing through the water discharge path 16 and the drainage path 17. Moreover, the hot water discharged from the water discharge port 16a is collected by the tray part 16b, passes through the water channel 16c, and reaches the drainage channel 17. Thereby, the saucer part 16b and the water channel 16c are sterilized.
　殺菌モードでは、制御部６は、流量センサー２７Ａ及び２７Ｂによって検出された流量を監視しながら、ポンプ２２の駆動電圧を制御する。これにより、循環水路１５及び電解槽４を流れる熱水の量が制御部６によって管理される。制御部６は、循環水路１５及び電解槽４を流れる熱水の量に基づいて、循環水路１５及び電解槽４の殺菌の進行具合を把握し、殺菌モードを適宜終了させることができる。なお、殺菌モードの終了にあたっては、制御部６は、ポンプ２２を停止させる。これにより、第２極室４０Ｂ及び並行水路１４内の熱水が排水路１７から排出される。 In the sterilization mode, the control unit 6 controls the drive voltage of the pump 22 while monitoring the flow rate detected by the flow rate sensors 27A and 27B. Thereby, the amount of hot water flowing through the circulation channel 15 and the electrolytic cell 4 is managed by the control unit 6. The control part 6 can grasp | ascertain the progress of the sterilization of the circulating water path 15 and the electrolytic vessel 4 based on the quantity of the hot water which flows through the circulating water path 15 and the electrolytic cell 4, and can complete | finish sterilization mode suitably. Note that, at the end of the sterilization mode, the control unit 6 stops the pump 22. Thereby, the hot water in the second electrode chamber 40 </ b> B and the parallel water channel 14 is discharged from the drainage channel 17.
　図３に示されるように、本実施形態では、タンク３の天壁３３に、紫外線ＬＥＤ（紫外線照射手段）３４が設けられている。紫外線ＬＥＤ３４は、制御部６によって制御されて紫外線を照射する発光ダイオードである。紫外線ＬＥＤ３４から照射される紫外線によって、タンク３の内部が殺菌される。紫外線ＬＥＤ３４は、タンク３の他、循環水路１５又は電解槽４に設けられていてもよい。紫外線ＬＥＤ３４は、上記電解水生成モード及び殺菌モードにおいて点灯させることができる。水素水サーバー１００の運転中において、紫外線ＬＥＤ３４が常時又は定期的に点灯するように構成されていてもよい。 As shown in FIG. 3, in this embodiment, an ultraviolet LED (ultraviolet irradiation means) 34 is provided on the top wall 33 of the tank 3. The ultraviolet LED 34 is a light emitting diode that is controlled by the control unit 6 to emit ultraviolet rays. The inside of the tank 3 is sterilized by the ultraviolet rays emitted from the ultraviolet LED 34. The ultraviolet LED 34 may be provided in the circulating water channel 15 or the electrolytic cell 4 in addition to the tank 3. The ultraviolet LED 34 can be turned on in the electrolyzed water generation mode and the sterilization mode. During operation of the hydrogen water server 100, the ultraviolet LED 34 may be configured to be constantly or periodically lit.
　以上、本実施形態の電解水生成装置１等が詳細に説明されたが、本発明は上記の具体的な実施形態に限定されることなく種々の態様に変更して実施される。すなわち、電解水生成装置１は、少なくとも、隔膜４３によって第１給電体４１が配された第１極室４０Ａと第２給電体４２が配された第２極室４０Ｂとに区切られ、かつ、水を電気分解することにより電解水を生成する電解室４０と、第１極室４０Ａに接続され、第１極室４０Ａに電気分解される水を供給する第１給水路１１ａと、第１極室４０Ａに接続され、電気分解された電解水を第１極室４０Ａから送出する出水路１２と、第２極室４０Ｂの上端部から上方にのび、電気分解によって生じた気体を第２極室４０Ｂから排出する排気路１３と、第２極室４０Ｂに沿って設けられ、排気路１３と第２極室４０Ｂの下端部とを連通させる並行水路１４とを備えていればよい。 As mentioned above, although the electrolyzed water generating apparatus 1 etc. of this embodiment were demonstrated in detail, this invention is changed and implemented in various aspects, without being limited to said specific embodiment. That is, the electrolyzed water generating apparatus 1 is divided into at least a first electrode chamber 40A in which the first power feeding body 41 is disposed and a second electrode chamber 40B in which the second power feeding body 42 is disposed by the diaphragm 43, and An electrolysis chamber 40 that generates electrolyzed water by electrolyzing water, a first water supply path 11a that is connected to the first electrode chamber 40A and supplies water to be electrolyzed to the first electrode chamber 40A, and a first electrode A discharge channel 12 that is connected to the chamber 40A and sends electrolyzed electrolyzed water from the first electrode chamber 40A, and extends upward from the upper end of the second electrode chamber 40B. What is necessary is just to provide the exhaust path 13 discharged | emitted from 40B, and the parallel water path 14 provided along the 2nd polar chamber 40B, and connecting the exhaust path 13 and the lower end part of the 2nd polar chamber 40B.
　　１　　電解水生成装置
　　３　　タンク
　　４　　電解槽
　　６　　制御部
　　８　　ヒーター（加熱手段）
　１１ａ　第１給水路
　１１ｂ　第２給水路
　１２　　出水路
　１３　　排気路
　１４　　並行水路
　１５　　循環水路
　２４　　排気手段
　２５　　給水制御弁
　２８　　水位検出手段
　４０　　電解室
　４０Ａ　第１極室
　４０Ｂ　第２極室
　４１　　第１給電体
　４２　　第２給電体
　４３　　隔膜
１００　　水素水サーバー DESCRIPTION OF SYMBOLS 1 Electrolyzed water production | generation apparatus 3 Tank 4 Electrolytic tank 6 Control part 8 Heater (heating means)
DESCRIPTION OF SYMBOLS 11a 1st water supply path 11b 2nd water supply path 12 Drainage path 13 Exhaust path 14 Parallel water path 15 Circulating water path 24 Exhaust means 25 Water supply control valve 28 Water level detection means 40 Electrolytic chamber 40A 1st pole room 40B 2nd pole room 41 1st electric power feeding Body 42 second power supply body 43 diaphragm 100 hydrogen water server

Claims (7)

  1. 　隔膜によって第１給電体が配された第１極室と第２給電体が配された第２極室とに区切られ、かつ、水を電気分解することにより電解水を生成する電解室と、
    　前記第１極室に接続され、前記第１極室に電気分解される水を供給する第１給水路と、　前記第１極室に接続され、電気分解された電解水を前記第１極室から送出する出水路と、
    　前記第２極室の上端部から上方にのび、電気分解によって生じた気体を前記第２極室から排出する排気路と、
    　前記第２極室に沿って設けられ、前記排気路と前記第２極室の下端部とを連通させる並行水路とを備えることを特徴とする電解水生成装置。     An electrolysis chamber that is divided by a diaphragm into a first electrode chamber in which a first power feeder is disposed and a second electrode chamber in which a second power feeder is disposed, and generates electrolyzed water by electrolyzing water;
    A first water supply channel connected to the first electrode chamber and supplying water to be electrolyzed to the first electrode chamber; and electrolyzed electrolyzed water connected to the first electrode chamber and electrolyzed to the first electrode chamber. A drainage channel to be sent from,
    An exhaust path extending upward from the upper end of the second electrode chamber and discharging the gas generated by electrolysis from the second electrode chamber;
    An electrolyzed water generating apparatus comprising: a parallel water channel provided along the second electrode chamber and communicating the exhaust channel and a lower end portion of the second electrode chamber.
  2. 　前記排気路又は前記並行水路には、前記排気路内又は前記並行水路内の水位を検出するための水位検出手段が設けられている請求項１記載の電解水生成装置。 The electrolyzed water generating apparatus according to claim 1, wherein the exhaust passage or the parallel water passage is provided with a water level detecting means for detecting a water level in the exhaust passage or the parallel water passage.
  3. 　前記水位検出手段は、前記並行水路が前記排気路に連通する箇所よりも下方に設けられている請求項２記載の電解水生成装置。 The electrolyzed water generating device according to claim 2, wherein the water level detecting means is provided below a location where the parallel water channel communicates with the exhaust channel.
  4. 　前記第２極室及び前記並行水路に電気分解される水を供給するための第２給水路と、前記第２給水路からの給水を制御する給水制御弁とを有する請求項１乃至３のいずれかに記載の電解水生成装置。 4. The device according to claim 1, further comprising: a second water supply channel for supplying water to be electrolyzed to the second electrode chamber and the parallel water channel; and a water supply control valve for controlling water supply from the second water channel. An electrolyzed water generator according to claim 1.
  5. 　請求項１乃至４のいずれかに記載の電解水生成装置を備えた電解水サーバーであって、
    　前記第１極室で生成された電解水を貯えるタンクと、前記タンクと前記電解室との間で電解水を循環させる循環水路とをさらに備えることを特徴とする電解水サーバー。     An electrolyzed water server comprising the electrolyzed water generating device according to any one of claims 1 to 4,
    The electrolyzed water server further comprising: a tank for storing electrolyzed water generated in the first electrode chamber; and a circulation channel for circulating electrolyzed water between the tank and the electrolyzed chamber.
  6. 　前記タンク内の水を加熱する加熱手段と、前記加熱手段によって加熱された熱水を前記排気路及び前記並行水路に供給する熱水路をさらに備える請求項５記載の電解水サーバー。 6. The electrolyzed water server according to claim 5, further comprising a heating means for heating water in the tank, and a hot water passage for supplying hot water heated by the heating means to the exhaust passage and the parallel water passage.
  7. 　前記排気路に設けられ、前記排気路内の流体から気体のみを分離して排出する排気手段をさらに備える請求項６記載の電解水サーバー。 The electrolyzed water server according to claim 6, further comprising an exhaust means provided in the exhaust path and configured to separate and discharge only a gas from a fluid in the exhaust path.
PCT/JP2017/003287 2016-02-05 2017-01-31 Electrolyzed water generation device and electrolyzed water server comprising same WO2017135208A1 (en)

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