JP3479372B2 - Electrolyzed water generator - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an element such as water or saline.
Electrolyzed water generator that generates electrolyzed water by electrolyzing water
I do. 2. Description of the Related Art In an electrolyzed water generating apparatus, an electrolyzed
Long time without switching the polarity of DC voltage applied to the electrode
If used for a while, the surface of the negative electrode
Scale, sodium, etc. adheres in layers to reduce the
And the desired electrolyzed water cannot be obtained. Such problems
Is described in, for example, Japanese Utility Model Publication No. 2-7675.
As described above, the voltage is applied to both electrodes at the same time when the water supply to the electrolytic cell is stopped.
Switch the DC voltage between normal and reverse to reverse the voltage, and
Backwash with water until water is drained.
(Electrically peel off from the electrode)
Can be. Also, Japanese Patent Application Laid-Open No. Hei 6-31277 or
As disclosed in JP-A-6-29692,
Providing vibration generation means in the tank to apply vibration to the water in the electrolytic tank
It is also possible to solve the problem by obtaining. [0003] By the way, the above-described actual
In the electrolyzed water generation device disclosed in Japanese Patent Publication No. Hei 2-7675,
From the stop of water supply to the electrolytic cell until the residual water in the electrolytic cell is discharged
Backwash is performed at the time of
Can not do enough. In addition, as described in Japanese Patent Application Laid-Open
JP-A-31277 or JP-A-6-29692.
In the electrolyzed water generator, the vibration generator is installed in the electrolyzer.
It is necessary to increase the size of the electrolytic cell itself.
And the structure is complicated. The present invention addresses the problems discussed above.
The purpose was to address the
An electrode that can sufficiently clean the electrolytic cell without changing the configuration
It is an object of the present invention to provide a dewatering device. [0004] To achieve the above object
Therefore, in the present invention, the electrolyzed water generation device
Electrolytic cell for electrolyzing raw water supplied to the
A voltage applying means for applying a positive or reverse voltage to the electrodes in the tank
A step and a water flow for flowing water forward or backward along said electrode
Generation means, and a generation operation control mode
Having a cleaning operation control mode, the voltage applying means and the water flow
The control means for controlling the generating means is provided.
In the generation operation control mode of the control means, a positive voltage is applied to the electrode.
Is applied and water flows forward along the electrode,
In the cleaning operation control mode, a reverse voltage is applied to the electrode.
And water alternates between normal and reverse flow along the electrode
I tried to repeat. The operation and effect of the present invention are as follows:
In the generation operation control mode of the control means,
When pressure is applied, water flows forward along the electrode.
Therefore, if the generation operation control mode is selected by the control means,
Raw water supplied into the electrolytic cell is electrolyzed to produce electrolytic water.
Is done. In the cleaning operation control mode of the control means,
Reverse voltage is applied to the pole and water flows forward along the electrode
The cleaning operation is controlled by the control means to alternately repeat
If the control mode is selected, the water is washed
As a result, the inside of the electrolytic cell is washed. By the way, when cleaning the inside of the electrolytic cell described above,
Is applied to the scale and electrode peeled off from the electrode by back-electrode cleaning.
Of air bubbles generated by water flow is synergistic with water hammer action
Of the electrode in the electrolytic cell as well as other parts
In the electrolytic cell to promote the detachment of the attached scale.
Is efficiently cleaned in a short time. Further, in the apparatus for generating electrolyzed water according to the present invention,
When a reverse voltage is applied to the electrodes,
The water alternates between normal and reverse flow,
Of the electrolytic cell itself
Does not need to be changed at all, and the basics of the electrolyzed water generator
Because it is implemented by effectively utilizing the configuration, it is inexpensive
Can be implemented. Hereinafter, embodiments of the present invention will be described with reference to the drawings.
explain. FIG. 1 shows a first embodiment of the electrolyzed water generating apparatus according to the present invention.
This embodiment shows an electrolyzed water generating apparatus using a water pipe (shown in the drawing).
(Omitted) and is used directly.
Connecting pipe branched to and connected to both inlets 31a, 31b
No. 13 is provided with a water supply electromagnetic on-off valve (normally closed valve) V1.
When the water supply pipe 19 (connected to the water pipe) is connected,
In addition, a drain provided with a drainage electromagnetic on-off valve (normally closed valve) V4
A water pipe 12 is connected. The connection pipe 13 is manually
Adjustable flow control valves V2 and V3 respectively
Approximately the same amount of raw water is
30 so that it is supplied to both inlets 31a and 31b.
Have been. The electrolytic cell 30 has a pair of inlets 31a, 31
b at the bottom and a pair of outlets 31c, 31d at the top
And a resin tank body 31 having a
A pair of electrodes 32 and 33 disposed opposite to each other,
2 and 33, each of which accommodates each of the electrodes 32 and 33
It is constituted by a diaphragm 36 forming the electrode chambers 34 and 35.
And the electrodes 32 and 33 are formed on the surface of a titanium base material.
What is made by burning platinum plating or platinum iridium
The electrode chamber 34 on the left side is connected to the inlet 31a.
The outlet 31c communicates with the right electrode chamber 35.
b and the outlet 31d communicate with each other. Each outlet 31c, 31d has a discharge port.
The pipes 37, 38 are connected, and each discharge pipe 37, 38
FIG. 2 has rising portions 37a and 38a that rise upward.
As shown in FIG.
The pipes are extended to the position where
8 have storage tanks 37b, 3
8b (increased or decreased as needed
Can be formed). Also, each
Each rising portion 37a provided at an intermediate portion of the discharge pipes 37, 38,
38a is an atmosphere whose upper end passes through each of the ventilation thin tubes 37c and 38c.
And the outlet ends of the discharge pipes 37 and 38 are
Even if submerged in the sink 80, a malfunction (for example,
(Since a siphon phenomenon occurs when the device is stopped)
Works like that. The electrodes 32 and 33 are connected via an electrode switch 110.
And connected to the power supply circuit 120. Electrode switch 11
0 corresponds to both electrodes 32,
33 for switching the direction of the DC voltage applied to
From the control device 100 in the state shown by the virtual line in FIG.
When a positive signal is received, the status switches to the solid line and the power
Connect the negative electrode of the path 120 to the electrode 32 and
The plus electrode is connected to the electrode 33 and is shown by the solid line in FIG.
When a reverse power signal is received from the control device 100 in the
It switches to the state of the virtual line and the minus of the power supply circuit 120
Connect the electrode to the electrode 33 and connect the plus electrode to the electrode 3
2 is connected. Power supply circuit 120 is AC
The voltage is converted into a DC voltage having a predetermined value A.
When receiving the OFF signal from the device 100,
So that the DC voltage between the pole and the plus electrode is zero,
Minus when receiving ON signal from controller 100
DC voltage of predetermined value A is applied between the electrode and the plus electrode
It has become. The control device 100 is provided with the floats shown in FIGS.
Microcomputer that executes programs corresponding to charts
And a power supply switch (not shown) as shown in FIG.
Switch 101 (ON-OFF switch)
During operation, as shown in FIG.
Switch 102 (ON-OFF switch)
Is a generation operation control mode that operates based on the operation of
And a built-in integration timer during this generation operation control mode.
-Washing that operates when a set time is counted by a (not shown)
It has an operation control mode.
Valve closing V1, V4, electrode switch 110, power supply circuit 120, etc.
Control the operation of the
Operation is obtained. In the first embodiment configured as described above,
When the power switch 101 is turned on, the control device
100 microcomputers correspond to step 200 in FIG.
To start program execution, and
It is determined whether the configuration switch 102 has been turned on.
It is. At this time, the generation switch 102 is turned on.
If not, it is determined "NO" in step 201.
Step 201 is repeatedly executed,
If the switch 102 has been turned on, step 201
Is determined to be "YES" and the control
Integration timer built into the device 100 (generation operation of the device
Timer that accumulates time) starts, and then
Steps 203, 204, 205, and 206 are executed.
It is. In the above step 203, the water supply electromagnetic opening and closing is performed.
A valve open signal is output to the valve V1.
A positive signal is output to the electrode switch 110, and step 20 is performed.
In 5, the ON signal is output to the power supply circuit 120. But
Thus, when the generation switch 102 is turned on (FIG. 6
(See elapsed time T1) in step 203.
The water supply electromagnetic on-off valve V1 is further opened and maintained in the open state.
At the same time, by executing steps 204 and 205, the power supply
From both electrodes of the path 120 via the solid state electrode switch 110
And a direct current of a predetermined value A is applied to both electrodes 32 and 33 of the electrolytic cell 30.
The pressure is maintained by applying a positive voltage. Because of this,
Raw water flowing from the feed pipe 19 to the connection pipe 13
Each of the electrolysis chambers 34, 3 of the electrolysis tank 30 through the lubes V2, V3.
5 and the raw water in the electrolytic cell 30
The electrolysis water is generated and the negative electrode 32
Alkaline ionized water with increased hydroxyl ions from chamber 34
Is sent to the sink 80 through the discharge pipe 37 and
From the electrode chamber 35 of the side electrode 33, the acid with increased hydrogen ions
Water is sent to the sink 80 through the discharge pipe 38.
You. In step 206 described above,
It is determined whether the integrated value S of the integrated timer is equal to or greater than the set value So.
Is determined. At this time, the integration value S of the integration timer is equal to the set value.
If it is not equal to or greater than So, "NO" is determined in step 206.
And the processing of step 207 is executed.
If the integrated value S of the immersion is equal to or greater than the set value So, the step
At step 206, the determination is "YES" and the step shown in FIG.
Step 211 and subsequent steps are executed. The above set value So
Is calcium that sequentially adheres to the electrode 32 of the electrolytic cell 30,
It is set in consideration of the accumulation amount of scale such as sodium
Thus, desired electrolyzed water is generated in the electrolysis tank 30 and
And supplied to the client 80. In step 207 described above, the generation
It is determined whether the switch 102 has been turned off.
You. At this time, the generation switch 102 is turned off.
If not, it is determined “NO” in step 207 and
Returning to step 206 described above, the generation switch 102
Is turned off, "YE" is determined in step 207.
S ”and the integration tie
Is stopped, and then steps 209 and 210
Are executed, and the process returns to step 201 described above.
Therefore, unless the generation switch 102 is turned off.
Until the integration value S of the integration timer reaches the set value So.
Steps 206 and 207 are repeatedly executed,
The electrolyzed water generated in the electrolyzer 30 is continuously supplied to the sink 80.
Supplied to In step 209, the water supply
A valve close signal is output to the magnetic on-off valve V1 and the step
At 210, an OFF signal is output to the power supply circuit 120.
Therefore, the processing of steps 206 and 207 is repeated
The generation switch 102 is turned off in the execution state
Then, by executing step 208, the integration timer
The operation is stopped and the integrated value So is maintained.
09, the water supply electromagnetic on-off valve V1 is closed and closed.
The power supply circuit 1 is maintained by the execution of step 210.
The DC voltage between the negative and positive electrodes of 20 is zero
Being maintained. For this reason, from the water pipe to the electrolytic cell 30
Water supply to each of the electrolysis chambers 34 and 35 is stopped, and
Supply from the source circuit 120 to both electrodes 32 and 33 of the electrolytic cell 30
The electricity is stopped, and the operation of generating the electrolyzed water is stopped. On the other hand, the integration value S of the integration timer
Step 21 in FIG. 4 executed when the set value So is exceeded
At 1, an OFF signal is output to the power supply circuit 120 and
In step 212, the integration timer provided in the control device 100
A timer t that indicates the elapsed time after another timer is reset
Is set to zero, and in step 213, the timer value t is
It is determined whether or not the value is equal to or more than the first set value t1 (after the elapse of FIG. 6).
Time T2). By the way, after execution of step 212
Step 2 is performed while the elapsed time is less than the first set value t1.
13 is determined to be “NO”, and the process of step 213 is performed.
Repeated execution and progress after execution of step 212
When the time reaches the first set value t1, the elapsed time T3 in FIG.
At step 213), and is determined to be “YES” in step 213.
Steps 214, 215, 216, and 217 are sequentially performed
Be executed. The above-mentioned first set value t1 is determined based on the water supply electromagnetic opening / closing.
Per unit time supplied to the electrolytic cell 30 through the valve V1
Of water and the heights 37a, 38a of both discharge pipes 37, 38
Step 213 is set in consideration of the water storage volume.
Is determined to be "YES",
Electrolysis is performed on the rising portions 37a, 38a of the outlet pipes 37, 38.
No raw water is to be filled. In step 214 described above, the electrode is turned off.
A reverse power signal is output to the converter 110 and a step 215
Output an ON signal to the power supply circuit 120, and
216 outputs a valve close signal to the water supply electromagnetic on-off valve V1
In step 217, the drainage solenoid on-off valve V4 is
A lube open signal is output. Therefore, step 214
The electrode switch 110 changes from a solid line state to a virtual line state.
The state is switched to the state
Electrode switch in a virtual line state from both electrodes of the power supply circuit 120
A predetermined value is applied to both electrodes 32 and 33 of the electrolytic cell 30 through 110.
The DC voltage of A is maintained by applying a reverse voltage. Also,
Execution of step 216 closes the water supply electromagnetic on-off valve V1.
And is kept in the closed state.
Line opens the drain solenoid valve V4 and keeps it open.
It is. For this reason, the rising portions 37a of the two discharge pipes 37, 38,
38a, the electrolytic cell 30, the connecting pipe 13, and the drainage solenoid on-off valve V
4. A backflow due to natural fall has occurred in the drain pipe 12 through 4.
Backwashing is performed in a state where
Scales such as calcium and sodium are peeled off
The water is discharged to the drain pipe 12 together with the gas that has been decomposed. In addition,
Before the backwashing is started, the above-described step 21 is performed.
The electrolytic cell 30 and both discharge pipes are executed by executing 1, 212, and 213.
No electrolysis at the rising portions 37a, 38a of 37, 38
Since the raw water is now being filled,
At the beginning, the electrode 33 switched from plus to minus
Do not expose to ionized water with high hydrogen ion concentration.
In addition, hydrogen embrittlement that shortens the life of the electrode 33 is suppressed. After execution of step 217 described above,
Executes the steps of FIG. Step 22 in FIG.
At 1, the above timer is reset to indicate the elapsed time.
The value t is set to zero.
It is determined whether the value t is equal to or greater than the second set value t2 (see FIG. 6).
(See elapsed time T3). By the way, in Step 221
While the elapsed time after the execution is less than the second set value t2,
Is determined to be “NO” in step 222 and
The process is repeatedly executed, and after the execution of step 221
When the elapsed time reaches the second set value t2 (when the elapsed time in FIG.
(See time T4), and determined “YES” in step 222.
Then, the processing of steps 223 and 224 is executed. Up
The described second set value t2 is passed through the drainage electromagnetic on-off valve V4.
The amount of water drained to the drain pipe 12 per unit time and both discharges
Consider the water storage capacity of the rising portions 37a, 38a of the pipes 37, 38.
"YES" in step 222
Is determined, the rising portions 37 of both discharge pipes 37, 38
a, 38a are empty. In step 223 described above, the control device
The count value C of the counter of the device 100 is +1
In step 224, the count value C is changed to the set value Co (example
For example, it is determined whether or not 5) or more. By the way,
If the count value C is less than the set value Co, step
224 is determined to be “NO” and step 22 in FIG.
4, after execution of 5,226,227,228
Steps 216 and 217 and steps 221 and 22 in FIG.
2, 223 and 224 are executed, and the count value C is set.
When the constant value Co has been reached, "YES" is determined in step 224.
After the execution of steps 231 to 238 in FIG.
Step 206 of FIG. 3 is executed. In step 225 described above, the electromagnetic opening and closing of the water supply is performed.
A valve open signal is output to the valve V1, and
In this case, a valve close signal is output to the drainage electromagnetic on-off valve V4.
In step 227, the timer is reset.
The value t indicating the elapsed time is set to zero, and
At 8, it is determined whether the timer value t is greater than or equal to the third set value t3.
Is done. Therefore, the water supply is performed by executing step 225.
The electromagnetic on-off valve V1 is opened and maintained in the open state.
In addition, the drainage electromagnetic on-off valve V4 is
Closed and kept closed. For this reason, the electrolytic cell 30
DC voltage of predetermined value A is applied to both electrodes 32, 33
In the state where water flows from the water pipe to the water supply pipe 19
Water is passed through the electrolytic cell 30 and the rising portions 3 of the two discharge pipes 37, 38 are raised.
7a and 38a, and reverse in such a normal flow state.
Electrocleaning is performed, and the electrode 32 of the electrolytic cell 30
Scale, sodium, etc. are peeled off and electrolyzed
Riser 37a, 38a of both discharge pipes 37, 38 with water
Is discharged. Incidentally, the progress after execution of step 227
Step 228 is performed while the time is less than the third set value t3.
Is determined to be "NO" and the process of step 228 is repeated.
Returned execution and elapsed time after execution of step 227
Reaches the third set value t3, at step 228 "Y
ES ”and returns to step 216 in FIG. 4 described above.
You. The above-mentioned third set value t3 is determined by the water supply electromagnetic on-off valve V1.
Amount of water per unit time supplied to the electrolytic cell 30 through
Water storage capacity of rising portions 37a, 38a of both discharge pipes 37, 38
The product is set in consideration of the product.
When "ES" is determined, rise of both discharge pipes 37 and 38
The parts 37a and 38a were separated from the electrode 32 of the electrolytic cell 30
Electrolysis including scales such as calcium and sodium
Water is filled. Therefore, the count value C becomes equal to the set value Co.
Until it reaches, as shown in T3 to T12 in FIG.
, A reverse voltage is applied to the electrodes 32 and 33 of the electrolytic cell 30.
Water alternates between normal and reverse flow along the electrodes 32 and 33
Water hammer action by backwashing and water flow conversion
Then, the inside of the electrolytic cell 30 is cleaned. This electrolytic cell 30
At the time of cleaning the inside, it was separated from the electrode 32 by back-current cleaning.
Bubbles generated at the scale and each electrode 32, 33 convert water flow
Electrode in the electrolytic cell 30 by a synergistic action with the water hammer action by the
32 and 33 are, of course, other parts (for example, the tank body 31 and the other parts).
Colliding with the diaphragm 36) to remove the attached scale.
In order to promote, the inside of the electrolytic cell 30 is efficiently cleaned in a short time.
It is. On the other hand, in step 224 described above, “YE
In step 231 executed after it is determined that
An OFF signal is output to the power supply circuit 120, and step 2
At 32, the elapsed time t after execution of step 221 is set to the fourth setting.
It is determined whether the value is equal to or greater than the fixed value t4. By the way, step
Elapsed time after execution of step 221 is less than the fourth set value t4
In the meantime, the determination at step 232 is “NO” and the
Step 232 is repeatedly executed.
1 has reached the fourth set value t4 (see FIG.
6 (refer to the elapsed time T14: 00), and in step 232, "Y
ES ”and the processing of steps 233 to 238 is performed in order.
It is executed next. The above-mentioned fourth set value t4 is determined by
Drained from the electrolytic cell 30 to the drain pipe 12 through the valve closing V4.
Is set in consideration of the amount of water per unit time
If “YES” is determined in step 232,
The rising portions 37a, 38a of the outlet pipes 37, 38 and the electrolytic cell 30
All the water in the connection pipe 13 and the drain pipe 12 is drained and becomes empty.
ing. The elapsed time T13 in FIG.
7, 37a, 38a, electrolytic cell 30 and connecting pipe
When all the water in the drain 13 and the drain pipe 12 is drained and becomes empty
Is shown. In step 233, the water supply
A valve open signal is output to the magnetic on-off valve V1, and a step
At 234, a valve close signal is output to the drainage electromagnetic on-off valve V4.
In step 235, a positive signal is sent to the electrode switch 110.
Is output, and in step 236, the power supply circuit 120
Output an ON signal. Step 23 described above
After execution of step 6, the count value C is zero in step 237.
And at step 238 the integrated value S
Is reset to zero and the process returns to step 206 in FIG.
Therefore, the water supply electromagnetic opening and closing is performed by executing step 233.
The valve V1 is opened and maintained in the open state and the step
234, the drainage electromagnetic on-off valve V4 is closed and closed
State, and by performing step 235 the electrode
When the switch 110 is switched from the virtual line state to the solid line state,
The power supply circuit 120 is maintained by executing the step 236.
From the two electrodes through the electrode switch 110 in the solid line state.
A DC voltage of a predetermined value A is applied to both electrodes 32 and 33 of the tank 30 by positive voltage.
Pressure is applied and maintained. Therefore, in step 232
Is determined to be “YES” (elapsed time T14 in FIG. 6).
Later), “YES” is determined in step 206.
Return to previous state (state before elapsed time T2 in FIG. 6)
The raw water flowing from the water pipe to the water supply pipe 19
Each voltage of the electrolytic cell 30 is passed through each flow control valve V2, V3.
While being supplied to the solution chambers 34 and 35,
The raw water is electrolyzed to produce electrolyzed water, which is
From the electrode chamber 34 of the electrode 32, an alkali with increased hydroxyl ions
Re-ionized water is sent to the sink 80 through the discharge pipe 37.
Also, hydrogen ion is supplied from the electrode chamber 35 of the positive electrode 33.
The ionized water with increased ion sinks through the discharge pipe 38
Sent to 80. In the first embodiment described above, the present invention
This was implemented in the electrolyzed water generator shown in FIGS.
The invention applies substantially equally to the electrolyzed water generator shown in FIG.
It can be implemented. In the electrolyzed water generator of FIG.
Has a water storage tank 10 for storing the required amount of raw water (tap water).
I have. The water storage tank 10 is connected to the control device 100A.
Water level sensor 11 (detects the upper and lower water levels
The water level sensor 11
The electromagnetic on-off valve V111 provided on the water supply pipe 19 is opened by a signal.
It is closed and the water level in the water storage tank 10 is maintained in a predetermined range.
It is configured to be. Also, the water storage tank 10
The upper end opening is lower than the bottom wall of the electrolytic cell 30 by a predetermined amount L.
Overflow drain pipe 12 is provided,
It is branched and connected to both inlets 31a and 31b of the thawing tank 30.
Connection pipe 13 is attached, and the connection pipe 13 is controlled.
Electric pump P1 whose operation is controlled by the device 100A
And manually adjustable flow control valves V2 and V3
Approximately the same amount of raw water is
It is supplied to both inlets 31a, 31b of the electrolytic cell 30.
Is configured. In addition, the electrolytic cell 30 and the discharge pipes 37 and 3
8. The configurations of the electrode switch 110, the power supply circuit 120, etc. are as described above.
1 and 2 are substantially the same as those of the first embodiment shown in FIGS.
Therefore, the same reference numerals are given and the description is omitted. The control device 100A shown in FIG.
9 and the program corresponding to the flowchart of FIG.
Each program corresponding to 11 flowcharts
A microcomputer (not shown) to execute
To turn on / off the power switch 101 shown in FIG.
The water level sensor 11 when the switch is turned on.
Control the operation of the solenoid on-off valve V11 based on the signal
In both cases, when the power switch 101 shown in FIG. 7 is turned on.
In the same manner as the generation switch 102 shown in FIG.
For operation of switch (ON-OFF switch)
Pump P1, electrode switch 110, power supply circuit
120, etc. are controlled.
Each operation to be described is obtained. In the second embodiment configured as described above,
When the power switch 101 is turned on, the control device
One microcomputer of 100A is connected to the step shown in FIG.
In step 301, the execution of the program is started.
2 based on the signal from the water level sensor 11 of the water storage tank 10
It is determined whether the water level in the water storage tank 10 is below the lower limit water level.
Is determined. At this time, the water level in the water storage tank 10 is the lower limit water.
If not, determine NO in step 302
Then, the processing of step 302 is repeatedly executed, and
If the water level in the water storage tank 10 is lower than the lower limit water level,
Is determined to be “YES” in step 302 and step 30
Steps 3 and 304 are executed. In step 303 described above, the solenoid on-off valve V
11 outputs a valve open signal. Therefore, the electromagnetic open
The closed valve V11 is maintained in the open state, and is passed through the water supply pipe 19.
Then, the raw water is injected into the water storage tank 10. Also,
In step 304, based on the signal from the water level sensor 11,
It is determined whether the water level in the water storage tank 10 is higher than the upper water level.
Is determined. At this time, the water level in the water storage tank 10 is the upper limit water level.
If not, it is determined “NO” in step 304.
Step 304 is repeatedly executed, and
If the water level in the water tank 10 is equal to or higher than the upper
Step 304 determines "YES" and
After the processing is executed, the process returns to step 302 described above.
In step 305 described above, the valve is connected to the solenoid on-off valve V11.
A close signal is output. Therefore, the solenoid on-off valve V11
It is maintained in the closed state, and the water tank 1
Water injection to 0 is stopped. As a result, in the water storage tank 10
Is maintained within the set range. In addition, the float of FIG.
The execution of the program corresponding to the chart is not shown.
However, when the power switch 101 is turned off,
Thus, the same processing as in step 305 described above was executed.
It will end later. Further, in the second embodiment configured as described above,
Is turned on when the power switch 101 is turned on.
Another microcomputer of the control device 100A is the one shown in FIG.
In step 400, program execution is started,
Whether the generation switch 102 is turned on at 401
It is determined whether or not. At this time, the generation switch 102 is turned off.
If no operation has been performed, “NO” in step 401
And the processing of step 401 is repeatedly executed.
If the generation switch 102 is turned on,
If "YES" is determined in step 401, then step 4
02, the integrating timer (built-in
The timer that accumulates the operation time of the device starts)
403, 404, 405, 40
6 is executed. In step 403 described above, the electric pump P
The drive signal is output to 1 and the electrode is switched in step 404.
A positive signal is output to the heater 110.
An ON signal is output to the source circuit 120. Therefore, raw
When the configuration switch 102 is turned on (see FIG.
(Refer to the time T1)).
The dynamic pump P1 is driven and maintained, and
Steps 404 and 405 execute the two electrodes of the power supply circuit 120.
From the electrolytic cell 30 via the electrode switch 110 in a solid line state.
A DC voltage having a predetermined value A is applied to both electrodes 32 and 33 by a positive voltage.
It is. For this reason, the raw water in the water storage tank 10 is
And each of the electrolytic cells 30 through the respective flow control valves V2 and V3.
While being supplied to the electrolysis chambers 34 and 35,
The raw water is electrolyzed to produce electrolyzed water on the minus side.
From the electrode chamber 34 of the electrode 32, an alcohol having increased hydroxyl ions
Potassium ionized water is sent to the sink through the discharge pipe 37,
Further, hydrogen ions are generated from the electrode chamber 35 of the plus side electrode 33.
The increased acidic ionized water is sent to the sink through the discharge pipe 38.
Can be In step 406 described above,
It is determined whether the integrated value S of the integrated timer is equal to or greater than the set value So.
Is determined. At this time, the integration value S of the integration timer is equal to the set value.
If it is not equal to or greater than So, it is judged “NO” in step 406.
And the process of step 407 is executed.
If the integrated value S of the immersion is equal to or greater than the set value So, the step
At 406, “YES” is determined and the process shown in FIG.
The processing after step 411 is executed. The above set value S
o represents calcium which is sequentially attached to the electrodes 32 of the electrolytic cell 30.
Is set in consideration of the amount of scale deposits such as
And the desired electrolyzed water is generated in the electrolyzer 30.
It is supplied to the sink. In step 407 described above, the generation
It is determined whether the switch 102 has been turned off.
You. At this time, the generation switch 102 is turned off.
If not, it is determined “NO” in step 407 and
Returning to step 406 described above, the generation switch 102
Is turned off in step 407, "YE
S ”and each of steps 408, 409, 410
The process is executed, and the process returns to step 402 described above. did
Therefore, unless the generation switch 102 is turned off,
Step until the integrated value S of the integrating timer reaches the set value So.
Steps 406 and 407 are repeatedly executed,
The electrolyzed water generated in the tank 30 is continuously supplied to the sink.
It is. In step 409 described above, the electric
A stop signal is output to the pump P1.
Outputs an OFF signal to the power supply circuit 120. Accordingly
Steps 406 and 407 are repeatedly executed.
Generation step 102 is turned off in the state of
And the integration timer is stopped by executing step 408.
And the integrated value So is maintained, and execution of step 409 is performed.
The electric pump P1 is stopped and maintained by the
By executing step 410, the negative electrode of the power supply circuit 120 is
The DC voltage between the lath electrodes is set to zero. Because of this, water storage
Supply from the tank 10 to each of the electrolysis chambers 34 and 35 of the electrolysis tank 30
While the water is stopped, the electrolytic cell 3
0, the power supply to both electrodes 32 and 33 is stopped.
The production operation is stopped. In addition, the operation of generating electrolyzed water is stopped.
Immediately after that, the rising portions 37a of the two discharge pipes 37, 38,
38a and the electric pump P1 in a stopped state from the electrolytic cell 30
And the water flows back into the water storage tank 10 as shown in FIG.
The excess water is discharged through the overflow drain 12
Is discharged to the department. On the other hand, the integration value S of the integration timer is
Step 4 of FIG. 10 executed when the set value So is exceeded
At 11, an OFF signal is output to the power supply circuit 120, and
In step 412, the integration tie provided in control device 100A is
Timer is reset to indicate elapsed time
The value t is set to zero, and at step 413 the timer value
It is determined whether or not t is equal to or greater than the first set value t1 (see FIG. 12).
(See elapsed time T2). By the way, the result of step 412
If the elapsed time after the execution is less than the first set value t1,
In step 413, “NO” is determined, and
The process is repeatedly executed, and after the execution of step 412
When the elapsed time reaches the first set value t1 (see FIG. 12).
(Refer to time T3), and "YES" is determined in step 413.
And the processes of steps 414, 415, and 416 are sequentially performed.
Be executed. The above-described first set value t1 is determined by the electric pump P
1 per unit time of water supplied to the electrolytic cell 30
Amount and water collection at rising portions 37a, 38a of both discharge pipes 37, 38
It is set in consideration of the volume, and in step 413
If "YES" is determined, the electrolytic cell 30 and the two discharge pipes
No electrolysis at the rising portions 37a, 38a of 37, 38
Raw water is being filled. In step 414, the electrode is turned off.
A reverse power signal is output to the converter 110 and a step 415
Output an ON signal to the power supply circuit 120, and
In step 416, a stop signal is output to the electric pump P1.
Therefore, execution of step 414 causes the electrode switcher 1
10 is switched from the solid line state to the virtual line state and maintained.
By executing step 415, the power supply circuit 120
The electrolytic cell 3 from the pole via the electrode switch 110 in a virtual line state
A DC voltage of a predetermined value A is applied to both electrodes 32 and 33 of 0 in reverse voltage.
Added and maintained. In addition, execution of step 416
The electric pump P1 is stopped and maintained. For this reason,
Electrolyte tanks from rising portions 37a, 38a of both discharge pipes 37, 38
30 and the connection pipe 13 and the stopped electric pump P1
A state in which backflow occurs due to natural fall in the water storage tank 10
And the electrode 32 of the electrolytic cell 30
Electrolytes when scales such as sodium and sodium are peeled off
The water is discharged to the water storage tank 10 together with the water. Note that this
Before the back-electrode cleaning is started, the above-described steps 411 and 411 are performed.
412, 413, the electrolytic cell 30 and the two discharge pipes 3
Unelectrolyzed source on the rising portions 37a, 38a of the 7, 38
Start of backwashing because the water is filled
The electrode 33, which is sometimes switched from plus to minus, is
It is not exposed to ionic water with high elemental ion concentration,
Hydrogen embrittlement that shortens the life of the electrode 33 is suppressed. Ma
In addition, the water level in the water storage tank 10 becomes
When the water is above the upper opening of the bar flow drain pipe 12, the water
Is discharged outside through the overflow drain pipe 12.
You. After the execution of step 416 described above,
Executes the steps of FIG. Steps in FIG.
At 421, the above timer is reset and the elapsed time
Is set to zero, and in step 422, the
It is determined whether the marker value t is equal to or greater than a second set value t2 (see FIG.
Twelve elapsed times T3). By the way, step 42
While the elapsed time after the execution of 1 is less than the second set value t2
Is determined to be “NO” in step 422 and step 4
22 is repeatedly executed.
When the elapsed time after the execution reaches the second set value t2 (FIG. 12)
At time T4), at step 422, "YE
S ”and the processing of steps 423 and 424 is executed.
Is done. The above-described second set value t2 is stored from the electrolytic cell 30.
The amount of water flowing back to the water tank 10 per unit time and both discharges
Consider the water storage capacity of the rising portions 37a, 38a of the pipes 37, 38.
"YES" in step 422
Is determined, the rising portions 37 of both discharge pipes 37, 38
a, 38a are empty. In step 423 described above, the control device
The count value C of the counter of the device 100A is +1
In step 424, the count value C is changed to the set value Co (example
For example, it is determined whether or not 5) or more. By the way,
If the count value C is less than the set value Co, step
424 is determined to be “NO” and step 42 in FIG.
After the execution of steps 5,426,427, the steps shown in FIG.
Step 416 and steps 421, 422, 423, and FIG.
424 is executed, and the count value C reaches the set value Co.
Then, "YES" is determined in step 424, and FIG.
1 after execution of steps 431 to 437 of FIG.
Step 406 is performed. In step 425 described above, the electric pump P
1 and the drive signal is output to step 426.
The reset timer resets the value t indicating the elapsed time.
In step 427, the timer value t is set to the third
It is determined whether the value is equal to or greater than the set value t3. Therefore,
The electric pump P1 is driven by the execution of the
Be held. Therefore, both electrodes 32 and 33 of the electrolytic cell 30
In the state where the DC voltage of the predetermined value A is applied with the reverse voltage,
Raw water in the water storage tank 10 is discharged through the electrolytic cell 30 to both discharge pipes.
Supplied to the rising portions 37a, 38a of the 37, 38,
The reverse current cleaning is performed in such a normal flow state, and the voltage of the electrolytic cell 30 is reduced.
Scale of calcium, sodium, etc. peels off from pole 32
Of the two discharge pipes 37 and 38 together with the electrolyzed water
It is discharged to the upper portions 37a and 38a. By the way, the progress after execution of step 426
While the time is less than the third set value t3, step 427 is performed.
Is determined to be "NO" and the process of step 427 is repeated.
Returned execution time elapsed since execution of step 426
Reaches the third set value t3, at step 427, "Y
ES ”and proceeds to step 416 in FIG. 10 described above.
Return. The above-described third set value t3 is determined by the electric pump P1.
The amount of water per unit time supplied to the electrolytic cell 30
The water storage capacity of the rising portions 37a, 38a of the outlet pipes 37, 38
It is set in consideration of the situation.
When "S" is determined, the rising portions of both discharge pipes 37, 38
At 37a and 38a, the caps peeled off from the electrode 32 of the electrolytic cell 30 are applied.
Electrolyzed with scales such as lucium and sodium
Is filled with water. Accordingly, the count value C becomes equal to the set value Co.
Until it reaches, it is shown in T3 to T12 in FIG.
Thus, a reverse voltage is applied to the electrodes 32 and 33 of the electrolytic cell 30.
Water flows along the electrodes 32, 33
Water hammer action by backwashing and water flow switching to repeat each other
Is obtained, and the inside of the electrolytic cell 30 is cleaned. This electrolytic cell 3
When cleaning inside 0, peel off from electrode 32 by back-current cleaning.
The scale and air bubbles generated at each electrode 32, 33 are turbulent.
Synergy with the water hammer action by the exchange
The poles 32 and 33 as well as other parts (for example, the tank body 31)
And the scale 36) which has collided with the diaphragm 36
To efficiently clean the inside of the electrolytic cell 30 in a short time
Is done. On the other hand, in step 424 described above, “YE
In step 431 executed after it is determined that the
An OFF signal is output to the power supply circuit 120, and
At 32, the elapsed time t after execution of step 421 is set to the fourth setting.
It is determined whether the value is equal to or greater than the fixed value t4. By the way, step
The elapsed time after execution of step 421 is less than the fourth set value t4
In the meantime, the determination in step 432 is “NO” and the
Step 432 is repeatedly executed.
1 has reached the fourth set value t4 (see FIG.
12 (see elapsed time T14: 00), at step 432
Processing of steps 433 to 437 is determined as “YES”
Are sequentially executed. The above-described fourth set value t4 is determined by the electrolytic cell
Water per unit time flowing back from 30 to water storage tank 10
The amount is set in consideration of the amount.
When "ES" is determined, rise of both discharge pipes 37 and 38
All the water in the parts 37a and 38a and the electrolytic cell 30 is drained.
It is empty. Note that the elapsed time T13 in FIG.
Inside the rising portions 37a, 38a of the outlet pipes 37, 38 and the electrolytic cell 30
At the time when all the water is drained and becomes empty. In step 433 described above, the electric
The drive signal is output to the amplifier P1.
Output a positive signal to the electrode switch 110, and
In step 435, an ON signal is output to the power supply circuit 120.
After execution of step 435, step 4 is executed.
At 36, the count value C is reset to zero.
In step 437, the integrated value S is reset to zero.
Return to step 406 of FIG. Therefore, step 43
3, the electric pump P1 is driven and maintained,
In addition, by executing step 434, the electrode switch 110 is temporarily
The state is switched from the imaginary line state to the solid line state and maintained.
By executing step 435, a solid line is drawn from both electrodes of the power supply circuit 120.
Both electrodes 3 of the electrolytic cell 30 via the electrode switch 110 in the state
A DC voltage of a predetermined value A is applied to 2, 33 and maintained by applying a positive voltage.
Is done. Therefore, it is judged “YES” in step 432.
After the setting (after the elapsed time T14 in FIG. 12), the step
Before the determination of “YES” at step 406 (FIG. 1).
2 before the elapsed time T2) and the water storage tank 1
The raw water in 0 is connected to the connection pipe 13 and each flow control valve V2, V3
Is supplied to each of the electrolysis chambers 34 and 35 of the electrolysis tank 30 through the
At the same time, raw water is electrolyzed in
Is generated, and water flows from the electrode chamber 34 of the negative electrode 32.
Alkaline ionized water with increased acid ions flows through the discharge pipe 37
To the sink, and the electrode chamber of the plus side electrode 33
From 35, acidic ion water with increased hydrogen ions is discharged
Sent through 38 to the sink. In each of the above embodiments, the electrolytic cell 30
The electrolyzed water generated in the above is discharged through the respective discharge pipes 37 and 38.
To an electrolyzed water generator that is guided directly to the
Although the present invention has been implemented, the present invention
The effluent is temporarily stored in the storage tank through the discharge pipes 37 and 38.
And stored in the storage tank as needed.
The same can be applied to the electrolyzed water generation device described above.
You. In each of the above embodiments, the production of the device is
The integration value S of the integration timer that integrates the operating time is the set value.
The cleaning operation is automatically performed every time the temperature exceeds So
However, the washing switch (ON-O
FF switch) is set close to the generation switch 102.
Cleaning operation in response to the operation of this cleaning switch.
It is also possible to implement the present invention
You. Further, when the present invention is implemented, the water storage shown in FIG.
A configuration in which a predetermined concentration of saline solution is injected into the tank 10
(In other words, salt water is used as raw water)
is there.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall configuration diagram showing a first embodiment of an electrolyzed water generation device according to the present invention. FIG. 2 is a view schematically showing a state of use of the electrolyzed water generating apparatus shown in FIG. FIG. 3 is a flowchart showing a part of a program executed by a microcomputer included in the control device of the electrolyzed water generating apparatus shown in FIG. 4 is a flowchart showing another part of the program executed by the microcomputer provided in the control device of the electrolyzed water generating apparatus shown in FIG. FIG. 5 is a flowchart showing the rest of the program executed by the microcomputer provided in the control device of the electrolyzed water generating apparatus shown in FIG. FIG. 6 is an operation explanatory view of the electrolyzed water generating apparatus shown in FIG. FIG. 7 is an overall configuration diagram showing a second embodiment of the electrolyzed water generation device according to the present invention. 8 is a flowchart showing a program executed by one microcomputer included in the control device of the electrolyzed water generation device shown in FIG. 9 is a flowchart showing a part of a program executed by another microcomputer provided in the control device of the electrolyzed water generating apparatus shown in FIG. 10 is a flowchart showing another part of the program executed by another microcomputer provided in the control device of the electrolyzed water generating apparatus shown in FIG. 11 is a flowchart showing the rest of the program executed by another microcomputer provided in the control device of the electrolyzed water generating apparatus shown in FIG. FIG. 12 is an operation explanatory view of the electrolyzed water generating apparatus shown in FIG. 7; [Description of Signs] 10: water storage tank, 30: electrolytic cell, 32, 33: electrode,
37, 38 ... discharge pipe, 37a, 38a ... rising part, 110
... Electrode switcher, 120 ... Power supply circuit, 100, 100A ...
Control device, 101: power switch, 102: generation switch, P1: electric pump, V1: water supply electromagnetic on-off valve, V4:
Drainage solenoid on-off valve.

Claims (1)

(57) [Claim 1] An electrolytic cell for electrolyzing raw water supplied therein, voltage applying means for applying a positive voltage or a reverse voltage to an electrode in the electrolytic cell, and the electrode Along with a water flow generating means for flowing the water forward or backward along, comprising a generating operation control mode and a washing operation control mode, and comprising a control means for controlling the voltage applying means and the water flow generating means, In the generation operation control mode of the control means, a positive voltage is applied to the electrode and water flows forward along the electrode, and in the cleaning operation control mode, a reverse voltage is applied to the electrode and the electrode is applied to the electrode. An electrolyzed water generator in which water alternates between a forward flow and a reverse flow.