JP3155813B2 - Electrolyzer for electrolytic ionic water generator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrolytic cell of an electrolytic ionic water generator for continuously producing alkaline ionized water and acidic water by electrolytically treating water.

[0002]

Conventionally, the water electrolysis process to prepare an electrolyte bath definitive an ion generator that continuously generates the alkaline water and acidic water
In Japanese Patent Publication No. 56-39954
In this way, a plurality of cathode plates are alternately
Therefore, each cathode plate must be electrically connected to each other.
Therefore, it is easy for defective connection points to occur.
The current is evenly distributed due to the variation in resistance at the connection point.
And the cathode plate may not work properly.
It has the drawback that assembly is troublesome because it is separate
Was.

[0003]

[0004]

[0005]

[0008] The present invention is to increase the reliability by eliminating contact failure at the cathode, good and form the separation of the cathode chamber and the anode chamber, and assembly, improving the maintainability electrolyte It is intended to provide an electrolytic cell for an ion water generator.

[0006]

The present invention SUMMARY OF THE INVENTION is based on the prior art, the electrolyte poor view of the problem, such as assembling property, eliminating contact failure by reducing the electrical connection location to integrally form a cathode, and division The above-mentioned drawbacks have been solved by providing an electrolytic cell of an electrolytic ionic water generator, which is characterized in that the partition wall body is brought into close contact with the bottom wall surface of the case to achieve good separability between the cathode chamber and the anode chamber. is there.

[0007] The electrolytic ionic water generator of the present invention is a continuous ionic water generator for electrolytically treating water by applying a DC voltage to an anode and a cathode.

[0008]

[0009]

[0010]

The electrolytic cell is composed of divided cases on both sides , partition walls, a cathode, and an anode.

Further, the divided case is formed in a rectangular box shape, and the divided case defines an enclosed electrolytic chamber.

The partition walls are formed in a U-shape cross section by a plate-like member. Both side open end faces of the partition body are brought into water-tight contact with opposed bottom wall surfaces of the divided case via sealing members, respectively, to form a cathode chamber and an anode chamber. It is divided.

Further, the divided case is provided with a fluid inlet communicating with the cathode chamber and the anode chamber, and has an anode water outlet communicating with the anode chamber and a cathode water outlet communicating with the cathode chamber.

The cathode is formed in a comb shape by leaving the upper portion of one plate-like member, and each cathode plate formed by bending the upper portion is provided in the cathode chamber, Is provided in the anode chamber.

[0016]

According to the present invention, since the cathode is formed of a single plate-like member, each cathode plate is integrated, thereby reducing the number of electrical connection points of the plurality of cathodes.
In addition, since both end surfaces of the partition body are in close contact with the seal member provided on the inner wall surface of the divided case, the separation performance between the cathode chamber and the anode chamber is improved, and the electrolytic chamber is formed of two divided cases. Can be formed.

[0017]

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes an electrolytic ionic water generator according to the present invention;
The electrolytic ionic water generator 1 comprises an electrolytic cell 2 and a control circuit 3 for controlling a voltage applied to the electrolytic cell 2.

The electrolytic cell 2 is formed in a rectangular box shape.
A closed electrolytic chamber 5 is defined by the body divided cases 4 and 4a, and the inside of the electrolytic chamber 5 is divided into a cathode chamber 7 and an anode chamber 8 by partition walls 6 and 6a.

The split cases 4 and 4a have flanges 9 and 9a of the split cases 4 and 4a sandwiched by screws 10, 10a..., Respectively. The member 11 is interposed.

The partition walls 6 and 6a are made of a plate-like member made of an insulating material and have a cross-section having a downward U-shape in cross section.
12, 12a are formed, and both end surfaces 13, 12 of the partition body 12, 12a are formed.
The partition walls 13a are brought into water-tight contact with the inner wall surfaces 14, 14a of the divided cases 4, 4a via sealing members 15, 15a, respectively, and the inflow ports 16, 16 at the opened ends of the partition body 12, 12a.
a is communicated with a fluid inlet 17 which is formed below the inner wall surface 14 of one of the divided cases 4 and communicates with the electrolysis chamber 5, and the fluid in the electrolysis chamber 5 is formed above the continuous portions 18 and 18 a of the partition wall bodies 12 and 12 a. Along with the detection chamber 19, the inside of the partition main bodies 12, 12a forms an anode chamber 8, and the outside of the partition main bodies 9, 9a forms a cathode chamber 7.

[0022] Also, with the inner wall surface 14 of the one split case 4 forming the anode chamber 8 and the anode water outlet 20 communicating with the fluid above the inner wall surface 14a of the other split case 4a is also the cathode chamber 7 A cathode water outlet 21 communicating with the detection chamber 19 is formed.

Reference numerals 22 and 22a denote anodes made of titanium plated with platinum, ferrite, magnetite, etc.
The anodes 22 and 22a are disposed in the anode chamber 8 inside the partition walls 6 and 6a with a predetermined gap provided between the anodes 22 and 22a and the inner surfaces of the partition walls 6 and 6a.

Reference numeral 23 denotes a cathode made of a metal such as stainless steel. The cathode 23 is formed from a single plate-like member 24, and two portions of the plate-like member 24 are notched with a predetermined width. The upper portion 25 is formed in a comb shape while remaining, and the upper portion 25 is bent to form the respective cathode plate portions 26, 26a,. The cathode plate portions 26, 26a,... Of the cathode main body 27 are disposed with a predetermined gap provided between them and the outer surfaces of the partition walls 6, 6a, and the upper portion 25 is located in the fluid detection chamber 19 which is also the cathode chamber 7. I have.

In the drawing, reference numeral 28 denotes an anode terminal electrically connected to the anodes 22 and 22a, and reference numeral 29 denotes a cathode terminal electrically connected to the cathode 23.

Reference numeral 30 denotes a water detecting portion. The water detecting portion 30 is provided with detecting rods 32, 32 sealed in a watertight manner by O-rings 31, 31a.
a from the outside into the fluid detection chamber 19,
The presence / absence of water is detected by the conduction state between the detection rods 32 and 32a due to the water filled in 19.

As another embodiment of the water detecting section 30, a light emitting element 33 of an appropriate wavelength is provided in the fluid detecting chamber 19, and a light receiving element 34 for receiving light from the light emitting element 33 and converting the light into an electric signal. Are disposed facing each other, and the presence or absence of water is detected by an electric signal when water exists between the light emitting element 33 and the light receiving element 34.

As another embodiment of the water detecting section 30, a float 35 in which a magnet or the like which responds to the level of water flowing into the fluid detecting chamber 19 is provided in the fluid detecting chamber 19 is provided. A proximity reed switch 36 operated by proximity of a magnet is provided above the float 35, and the presence or absence of water is detected based on the water level in the fluid detection chamber 19.

As another embodiment of the water detecting section 30, a flow switch 37 for detecting the flow rate of the fluid in the path of the pipe P connected to the fluid inlet 17 of the electrolytic cell 2 is provided to detect the inflow of the fluid. This is to detect the presence or absence of water.

Reference numeral 38 denotes a mineral supply unit for adding a mineral component such as calcium and magnesium. The mineral supply unit 38 is a passage of a pipe P for supplying water from the fluid inlet 17 into the electrolytic cell 2 at a constant pressure. Interposed inside.

Numeral 39 denotes a water purifier. The water purifier 39 is provided with a porous filter, activated carbon, and a hollow fiber membrane. The water purifier 39 is connected to the cathode water outlet 21 of the electrolytic cell 2 and subjected to electrolytic treatment by the electrolytic cell 2. Algae, garbage,
Red mold is removed with a porous filter, odor, calcium and organic substances are removed with activated carbon, and mold, germs and nigori are removed with a hollow fiber membrane.

Further, the water purifier 39 may be provided on the upstream side of the mineral supplier 38.

Reference numeral 40 denotes a check valve provided in the path of the pipe P. The check valve 40 includes a valve body 43 having an inlet 41 and an outlet 42 and a valve seat body 44 such as a V-ring or a Y-ring. The outer peripheral protruding piece 44a of the valve seat body 44 is provided in close contact with the inner peripheral wall of the valve body 43, and a spherical valve body 45 made of a synthetic resin such as nylon seated on the inner peripheral protruding piece 44b of the valve seat body 44. It is provided movably.

Further, since the check valve 40 has a valve body 45 made of synthetic resin, the valve is not closed by its own weight even when the mounting direction is vertical, and the check valve body is not closed. Since the valve body 45 is seated on the inner peripheral protruding piece 44b of 44, the sealing performance can be improved and the cost can be reduced due to the simple structure.

Next, regarding the control circuit 3, the first transformer 46 and the first rectifier connected to an AC power supply (not shown)
The detection rods 32 and 32a, the light emitting element 33, the light receiving element 34, the proximity reed switch 36, the flow switch 37 and the like in the water detecting section 30 are connected to the output side of the first DC power supply 48 composed of 47.

A first relay coil 49 and a first switching element 50 are connected to the output side of the first DC power supply 48, so that the first relay coil 49 can be activated by detecting water with the water detecting section 30; The cleaning signal output terminal 51a of the MPU 51, which is a microcomputer, is connected to the first switching element 50, and when the water detection unit 30 detects non-water, the cleaning signal from the MPU 51 sets the first relay coil 49 arbitrarily within the cleaning time. It is operated by.

A second DC power supply 54 comprising a second transformer 52 and a second rectifier 53 has a relay contact of a first relay coil 49 connected thereto.
49a is connected.

The water detection input terminal 51b of the MPU 51 is connected to a second switching element 55 which operates when the water detection unit 30 detects water, and the inverted signal output terminal 51c of the MPU 51 is connected to the output side of the second DC power supply 54. Are connected to the polarity inversion switch 56 for inverting the polarity of the voltage applied to the cathode 23.

The MPU 51 integrates the time of the voltage applied to the anodes 22 and 22a and the cathode 23 by the water detection of the water detection unit 30, and inputs a reversal signal for switching the cleaning to the polarity reversing switch 56 when a predetermined integration time is reached. It is made to do.

Reference numeral 57 denotes a forced return circuit,
57 is connected to the second switching element 55 so that an output signal at the time of water detection of the water detection unit 30 is input, and a forced return signal is input to the polarity inversion switch 56 by this signal. .

Next, the operation of the electrolytic ionized water generator according to the present invention will be described. Water is supplied from the fluid inlet 17 of the electrolytic cell 2 to fill the fluid detection chamber 19 with water through the cathode chamber 7. , Detection rods 32, 32a in the water detection unit 30,
Water is detected by the light emitting element 33, the light receiving element 34, and the proximity lead switch 36, and the relay contact 49a of the first relay coil 49 is turned on via the first switching element 50 to turn on the second DC power supply.
Activate 54.

At the same time, the forcible return circuit 57 is also activated by the water detection of the water detection unit 30, and the forcible return signal from the forcible return circuit 57 is input to the polarity reversing switch 56, and the electrolytic cell 2
The polarity of the anodes 22 and 22a and the cathode 23, whose polarities have been reversed at the time of washing, is reversed from the negative side to the positive side and from the positive side to the negative side, whereby water flowing from the fluid inlet 17 of the electrolytic cell 2 is removed. The cathode chamber 7 is continuously electrolyzed to alkaline water and the anode chamber 8 to acidic water, and discharged to the outside through an anode water outlet 20 and a cathode water outlet 21, respectively.

In the case of the water detecting section 30 provided with the flow switch 37, the flow rate of tap water supplied from the fluid inlet 17 of the electrolytic cell 2 causes the first relay coil 49 via the first switching element 50. The relay contact 49a is turned on, and the polarity reversing switch 56 is also operated.

Next, when cleaning the electrolytic cell 2, the MPU
Since the water detection input terminal 51b of 51 is connected to the second switching element 55, the time of the voltage applied to the anodes 22, 22a and the cathode 23 is integrated by the MPU 51, and the integrated time reaches a predetermined value. At this time, the MPU 51 inputs a reversal signal to the polarity reversing switch 56 for performing a cleaning switch for reversing the polarity of the anodes 22 and 22a and the cathode 23 to the negative side and the positive side, respectively. Is performed.

When the supply of water into the electrolytic cell 2 is stopped and the water in the electrolytic cell 2 flows backward through the fluid inlet 17 and is drained,
Although the water detection unit 30 becomes non-conductive and non-operation and the first relay coil 49 also becomes non-operation, the cleaning signal output terminal 51 of the MPU 51
Since a is connected to the second switching element 55, a cleaning signal is applied from the MPU 51 to the second switching element 55 for a predetermined time corresponding to the drainage time, whereby the first relay coil 49 is activated. Relay contact 49a
Is turned on, and the anodes 22 and 22a and the cathode 23 are maintained in the negative and positive polarities, respectively, to perform cleaning.

In the operation of the electrolytic cell 2, since the cathode 23 is formed by a single plate-like member 24, each cathode plate portion
Are integrally formed, thereby reducing the number of electrical connections of the plurality of cathodes 23 and preventing poor contact and the like.

The inner wall surfaces 14, 14a of the split cases 4, 4a
Seal members 15, 15a provided on both sides of the bulkhead bodies 12, 12a
Since the end faces 13 and 13a are in close contact with each other, the separability between the cathode chamber 7 and the anode chamber 8 is improved, and the electrolytic chamber 2 can be formed by the two separate cases 4, 4a. I can do it.

The interior of the electrolytic chamber 5 is divided into a cathode chamber 7 and an anode chamber 8 by partition walls 6 and 6a, and the anodes 22 and 22a and the cathode 2 are separated.
In a continuous ionic water generator for electrolytically treating water by applying a DC voltage to 3, a water detecting unit 30 for detecting the presence or absence of water is provided in the electrolytic chamber 5, and a polarity is set when the water detecting unit 30 detects water. And the anodes 22, 22a,
A DC voltage is applied to the cathode 23, the water detection time is integrated, the predetermined polarity is inverted when the predetermined integration time is reached, and the DC voltage is applied to the anodes 22, 22a and the cathode while maintaining the polarity for a predetermined time. Since the control circuit 3 for applying the pressure to the pressure switch 23 is provided, the water detection unit 30 for detecting the presence or absence of water is provided, so that there is no operation failure unlike the conventional pressure switch, and the reliability is extremely high. ), The continuous electrolytic treatment can be reliably performed.

At the time of cleaning, the time of the voltage applied to the anodes 22 and 22a and the cathode 23 is integrated by the control circuit 3 at the time of electrolytic treatment, and when the integrated time reaches a predetermined value,
22, 22a, the polarity of the cathode 23 is inverted to the negative side and the positive side, respectively,
During a predetermined time, a DC voltage is applied to remove and sterilize the scale.

[0050]

In short, the present invention is formed in a rectangular box shape.
An electrolytic chamber 5 closed by two divided cases 4 and 4a on both sides is defined, and the inside of the electrolytic chamber 5 is formed in a sectional shape by a plate-like member.
Ends of both sides of the partition body 12, 12a formed in a downward U-shape
The surfaces 13, 13a are divided into opposing inner wall surfaces 14, of the divided cases 4, 4a.
Partition 14a into a cathode chamber 7 and an anode chamber 8 by partition walls 6 and 6a which are brought into watertight contact with each other via sealing members 15 and 15a, respectively.
The cathode 23 is formed in a comb-teeth shape by leaving the upper part 25 of one plate-like member 24, and the cathode parts 26, 26a,. And the anode
22 and 22a are provided in the anode chamber 8, the divided case 4 is provided with a cathode chamber 7, a fluid inlet 17 communicating with the anode chamber 8, and an anode water outlet 20 communicating with the anode chamber 8 is formed. Since the cathode water outlet 21 communicating with the negative electrode 7 is formed, the cathode 23 is formed by a single plate-like member 24, so that each cathode plate portion 2
Are integrated, thereby reducing the number of electrical connection points of the plurality of cathodes 23, thereby improving the reliability by eliminating the contact failure which has been frequently generated in the past.

The inner wall surfaces 14, 14a of the split cases 4, 4a
Seal members 15, 15a provided on both sides of the bulkhead bodies 12, 12a
Since the end surfaces 13 and 13a are in close contact with each other, the separability between the cathode chamber 7 and the anode chamber 8 is improved, so that the alkaline water and the acidic water during the electrolytic treatment are not mixed, and the electrolytic treatment can be reliably performed. Also, since the electrolysis chamber 5 is formed by the two divided cases 4 and 4a, the practical effects such as the improvement of the assembling and maintenance can be greatly enhanced.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of an electrolytic ionized water generator according to the present invention.

FIG. 2 is a schematic configuration diagram of another embodiment of the same.

FIG. 3 is an exploded perspective view of an electrolytic cell of the electrolytic ionized water generator.

FIG. 4 is a sectional view of the electrolytic cell.

FIG. 5 is a partial sectional view of another embodiment of the same.

FIG. 6 is a partial sectional view of another embodiment of the same.

FIG. 7 is an electric circuit diagram of a control circuit of the electrolytic ionized water generator.

FIG. 8 is a block diagram of a control circuit according to the first embodiment;

FIG. 9 is a sectional view of a check valve of the electrolytic ionized water generator.

[Explanation of symbols]

3 Control circuit 4, 4a Divided case 5 Electrolytic chamber 6, 6a Partition wall 7 Cathode chamber 8 Anode chamber 12, 12a Partition wall body 13, 13a Both end faces 14, 14a Inner wall surface 15, 15a Seal member 17 Fluid inlet 20 Anode water outlet 21 Cathode Water outlet 22, 22a Anode 23 Cathode 24 Plate member 25 Upper part 26, 26a… Cathode plate 30 Water detector

Claims (1)

(57) [Claims] 1. A continuous ion water generator for dividing an electrolytic chamber in an electrolytic cell into a cathode chamber and an anode chamber by partition walls and applying a DC voltage to the anode and the cathode to electrolyze water. A closed electrolytic chamber is defined by two divided cases on both sides formed in a box shape, and both end surfaces of a partition body having a cross-sectional shape formed in a downward U- shape by a plate-like member are defined in the electrolytic chamber. The partition is divided into a cathode chamber and an anode chamber by partition walls which are in close contact with the inner wall surfaces facing each other through a sealing member, respectively, and the cathode is comb-shaped by leaving the upper part of one plate-shaped member. Forming, each cathode plate portion formed by bending the upper portion is provided in the cathode chamber, the anode is provided in the anode chamber, and the divided case is provided with a fluid inlet for communicating with the cathode chamber and the anode chamber, And forming an anode water outlet communicating with the anode chamber. A cathode water outlet communicating with the cathode chamber.