JP3453528B2 - Electrolyzed 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 electrolyzed water producing apparatus provided with an electrolytic cell for electrolyzing a saline solution to produce acidic water and alkaline water.

[0002]

2. Description of the Related Art An apparatus of this type is disclosed in, for example, Japanese Patent Laid-Open No. 4-4.
No. As shown in Japanese 2077, its by a diaphragm
And electrolysis of the electrolytic cell to the acid water and alkaline water brine fed to the anode chamber and a cathode chamber which is defined and formed in the interior of, the
It is provided with an acidic water passage and an alkaline water passage for guiding the acidic water and the alkaline water generated in the electrolyzer to the use place, respectively.

[0003]

In the electrolyzed water generator disclosed in the above publication, the saline solution is electrolyzed to generate acidic water in the anode chamber and chlorine is generated, and the salt is generated in the cathode chamber. As a result, alkaline water is generated and hydrogen is generated. By the way, in this device, since the inside of the acidic water passage and the anode chamber are not pressurized , part of the chlorine generated in the anode chamber dissolves in the acidic water to function as effective chlorine, but the remaining chlorine remains. in bubble state without being dissolved in the acidic water flows remain acidic water passage in the state of air bubbles in the mixed perilla acidic water, thereby being released into the atmosphere as a gas when it is derived with acidic water out acid water passage . Therefore, the effective chlorine concentration in the acidic water generated by this device is
Get lower .

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention has a partition formed inside by a diaphragm.
An electrolyzer for electrolyzing salt water supplied to the anode chamber and the cathode chamber into acidic water and alkaline water, and acidic water generated in the electrolytic bath and guiding the alkaline water to the respective places of use The passage and the alkaline water passage, and the anode chamber and the cathode chamber
Switching the polarity of the voltage applied to each electrode provided to each
And an electric control device for controlling, and under the control of the electric control device.
The polarity of the voltage applied to the electrodes is switched to the opposite
Under the control of the electric control device, the acidic water in the anode chamber
A conduit for communicating an outlet port with the acidic water passage and the cathode chamber
Connect the alkaline water outlet of the above to the alkaline water passage.
In an electrolyzed water generator equipped with a switching valve that switches the flow path of a conduit for
Provided with a connector with a throttling function on the acidic water outlet pipe side
Flows out of the anode chamber downstream of the switching valve.
So that the internal pressure of the acid water conduit is increased and maintained
The present invention provides an electrolyzed water generator characterized in that

In carrying out the present invention, the switching valve is
In front of a conduit for discharging acidic water from the anode chamber downstream of the
A fluid whose operation is controlled under the control of an electric control device.
It is desirable to provide a pump .

[0006]

In the electrolyzed water generator according to the present invention (the invention according to claim 1), the leading end portion of the acidic water passage is provided.
A connector with a squeezing function on the side of the acidic water outlet pipe to which the
Outflow from the anode chamber downstream of the switching valve.
The internal pressure of the acidic water conduit is increased and maintained.
By doing so, it is possible to suppress the bubbling of chlorine in the anode chamber and the acidic water passage during the electrolytic generation. Therefore, when the acidic water is discharged to the outside of the acidic water passage, the amount of chlorine released into the atmosphere as a gas can be reduced, and the acidic water having a large amount of dissolved effective chlorine can be used. Moreover, due to the provision of a connector having a diaphragm function to the derived tip of acidic water passage, accurately aerated in the acidic water passage
Can be suppressed, it is possible to derive the acidic water into acidic water passage outside in a state dissolved effective chlorine amount is large.

[0007] Contact with the present invention (invention according to claim 1)
In addition, connect a connector with a throttling function to the acid water outlet pipe side.
By providing the existing parts, it is possible to effectively utilize the existing parts.
The purpose can be achieved at low cost .

In implementing the present invention , the switching
In front of the conduit that discharges acidic water from the anode chamber downstream of the valve
A fluid whose operation is controlled under the control of an electric control device.
If a pump is provided, the fluid pump in the acid water passage
Because it can <br/> increasing the pressure between the connector having a flop and iris function, more accurate chlorine in the bubble condition of the acidic water
Dissolved in acidic water, the amount of chlorine dissolved in the acidic water can be increased, it is possible to use more acid water having dissolved effective chlorine amount. In addition, the pressure is increased between the fluid pump of the acidic water passage and the connector having the throttling function, and the pressure is not increased upstream of the fluid pump , so that the electrolytic cell and the pipe connection part Water leakage can be prevented.

[0009]

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show a first embodiment of an electrolyzed water producing apparatus according to the present invention. The electrolyzed water producing apparatus includes a generator body 10, a concentrated salt water tank 20, a remote controller 30 and the like, and a sink. It is attached to 40 and used.

As shown in FIGS. 1 and 2, the generator main body 10 is provided with a water channel system component including an electrolytic cell 12 inside an outer box 11, and a controller box 13 for accommodating electrical system components. The outer box 11 is provided with a water supply port 11a to which a water supply pipe 51 is connected, and outlet ports 11b and 11c to which an acidic water outlet pipe 52 and an alkaline water outlet pipe 53 are connected, respectively. The water supply pipe 51, as shown in FIG.
It is connected to a water pipe 62 via a manually openable / closed water supply valve 61, and pressure gauges 71 and 72, a water softener 73, a cartridge type filter 74 and a pressure reducing valve 75 are provided in the water supply pipe 51, A drainage pipe 54 having a manually openable / drainage drainage valve 76 interposed therein is connected.

On the other hand, the acidic water outlet pipe 52 and the alkaline water outlet pipe 53 extend to the position where the remote controller 30 is installed, and each connector 56 (the alkaline water outlet pipe 53 side is not shown) is provided at the tip thereof. They are connected to the acidic water pouring pipe 58 and the alkaline water pouring pipe 59, respectively.

As shown schematically in FIG. 2, the electrolytic cell 12 accommodates a pair of electrodes 12a and 12b in a first electrolytic chamber R1 and a second electrolytic chamber R2 which are partitioned by a diaphragm 12c, respectively. A well-known electrolytic cell having a diaphragm for electrolyzing dilute salt water (mixed water of tap water and concentrated salt water) to generate acidic water and alkaline water, in which a positive voltage is applied between both electrodes 12a, 12b. The reverse voltage application and the energization in each application state are controlled by the electric control device 13a housed in the controller box 13. Also, the electrolytic cell 12
Are the inlets 12d, 1 arranged opposite to each other with the diaphragm 12c interposed therebetween.
2e and outlets 12f and 12g, and the branch branch pipe portion 14 of the dilute salt water inlet pipe 14 is provided at each inlet 12d and 12e.
a, 14b are connected, and the respective outlets 12f, 12g
The conduits 15a and 15b are connected to the pipe, and the dilute salt water introducing pipe 14 is connected to the tap water introducing pipe 17 and the concentrated salt water supplying pipe 18 at the main pipe portion 14c thereof.

Each of the conduits 15a and 15b has an electric control unit 1
The switching valve V1 whose switching operation is controlled by 3a and the outlets 11b, 11b and 16b, 16b, 16b, respectively.
11c is connected. The tap water introduction pipe 17 is connected to the water supply port 11a, and a normally closed electromagnetic water supply valve V2 whose opening / closing operation is controlled by the electric control device 13a is interposed in the vicinity of this connection portion. The concentrated salt water supply pipe 18 is provided with a check valve V3, and is connected to the suction pipe 55 via a pump motor P1.
1 is connected to the concentrated salt water tank 20 at a portion led out.

The switching valve V1 is driven by an electric motor (not shown) and switched to a first position (state shown by a solid line in FIG. 2) or a second position (state shown by a virtual line in FIG. 2). A port 2 position switching valve, which is held at the first position during electrolysis by applying a positive voltage so that the first electrolysis chamber R1 serves as an anode chamber and the second electrolysis chamber R2 serves as a cathode chamber, and during electrolysis by applying a reverse voltage. The second electrolysis chamber R2 is held at the second position to serve as an anode chamber, the first electrolysis chamber R1 serves as a cathode chamber, and acidic water is always guided to the outlet 11b (that is, the acidic water outlet pipe 52). Outlet port 11c
(That is, the alkaline water outlet pipe 53) is switched so that the alkaline water is always guided, and the switching operation is controlled by the electric control device 13a.

The pump motor P1 supplies a fixed amount of water supply pump for supplying concentrated salt water sucked from the concentrated salt water tank 20 through the suction pipe 55 to the main pipe portion 14c of the diluted salt water introduction pipe 14 through the concentrated salt water supply pipe 18 and its drive. It is a motor, and its operation is feedback-controlled by an electric control device 13a based on a detection value of an ammeter 13c (which detects an electrolysis current value) provided together with a shunt 13b in a current supply circuit to the electrolysis tank 12. As a result, the salt concentration of the dilute salt water supplied to the dilute salt water introduction pipe 14 is maintained within the set range.

The controller box 13 accommodates the electric control device 13a, the shunt 13b and the ammeter 13c described above, and a direct voltage between the electrodes 12a and 12b of the electrolytic cell 12 is a positive voltage (state shown in FIG. 2). ) Or a power supply device 13d for applying a reverse voltage. The electric control device 13a operates based on the pushing operation of the pouring switch 31 provided on the remote controller 30 or the pouring switch 10a provided on the front upper part of the generator main body 10 to generate a lamp (green) provided on the remote controller 30. Lamp) 32 and a lamp (green lamp) 10b being generated, which is provided on the upper front surface of the generator main body 10, is turned on / off, and the electrolytic cell 12
Start / stop of energization between both electrodes 12a, 12b, actuation / stop of power supply device 13d (energization / non-energization with positive voltage or reverse voltage), opening / closing operation of electromagnetic water supply valve V2, switching operation of switching valve V1 Also, based on the detection value of the water level sensor S that detects the water level in the concentrated salt water tank 20 while controlling the operation / stop of the pump motor P1, the salt replenishment lamp (red lamp) 33 and the generator provided in the remote controller 30. The salt replenishing lamp (red lamp) 10c provided on the upper front surface of the main body 10 is controlled to be turned on / off and the electrolysis generating operation is stopped.

The concentrated salt water tank 20 is provided separately from the generator body 10 and stores a predetermined amount of concentrated salt water, and a cap 22 detachably screwed onto the tank body 21. Composed of a cap 2
The suction pipe 55 and the water level sensor S are assembled so as to penetrate through the central portion of 2 so that they can be inserted and removed (removable) and the vertical position can be adjusted (positioning can be performed by the sliding resistance generated between the caps 22). As shown in FIG. 2, the water level sensor S is arranged a predetermined amount above the tip opening of the filter F attached to the tip suction port 55a of the suction pipe 55.

By the way, in the present embodiment, the connector 56 on the acidic water outlet pipe 58 side is, as shown in FIG.
Its inner diameter is made smaller than the inner diameters of the acidic water outlet pipe 52 and the acidic water outlet pipe 58 to have a throttling function. Due to this throttling function of the connector 56, the upstream side of the connector 56 (the dilute salt water inlet pipe 14 Trunk pipe section 14c and branch branch pipe section 14
The inside of the waterway system component (up to the branching point with a and 14b) is pressurized. The conduits 15a, 15b, 1
The inner diameters of 6a, 16b, the acidic water outlet pipe 52, the alkaline water outlet pipe 53, the acidic water outlet pipe 58, and the alkaline water outlet pipe 59 are the same.

In the electrolyzed water producing apparatus constructed as described above, the pouring switch 31 or 1 is operated in a state where electrolysis is stopped.
When 0a is pushed, the electromagnetic water supply valve V2 is opened and the pump motor P1 is activated to supply dilute salt water to the electrolytic cell 12, and a DC voltage is applied from the power supply device 13d to both electrodes 12a, 12b of the electrolytic cell 12. Is applied. When a positive voltage is applied, acidic water is generated in the first electrolysis chamber R1 and alkaline water is generated in the second electrolysis chamber R2, and the acidic water is supplied to the conduit 15a, the switching valve V1, and the conduit 1.
6a, the acidic water outlet pipe 52, the connector 56, and the acidic water outlet pipe 58 are supplied to the sink 40, and the alkaline water is supplied with the conduit 15b, the switching valve V1, the conduit 16b, the electrolytic water outlet pipe 53, and the alkaline water outlet pipe. It is supplied to the sink 40 through 59. Further, when a reverse voltage is applied, alkaline water is generated in the first electrolytic chamber R1 and acidic water is generated in the second electrolytic chamber R2, and the alkaline water is supplied to the conduit 15a, the switching valve V1 and the conduit 16b. Sink 4 through electrolytic water outlet pipe 53 and alkaline water outlet pipe 59
0, and the acidic water is supplied to the conduit 15b, the switching valve V1, the conduit 16a, the acidic water outlet pipe 52, and the connector 5.
6 and the acidic water outlet pipe 58 to the sink 40.

When the desired acidic water and alkaline water are being generated at the time of this electrolytic generation operation, the generating lamps 32 and 10b are turned on, and the water level in the concentrated salt water tank 20 is lowered to the makeup water level. When this is detected by the water level sensor S, the salt replenishment lamps 33 and 10c are turned on and the electrolysis generating operation is stopped in accordance with a preset stop mode. Further, at the time of the electrolysis generation operation, the application of the positive voltage and the application of the reverse voltage from the power supply device 13c to the both electrodes 12a and 12b are switched at every set time, and accordingly, the opening / closing operation of the electromagnetic water supply valve V2 and the switching valve V1 are performed.
Is controlled and the operation / stop of the pump motor P1 is controlled. The pouring switch 31 is used during the electrolytic generation
Alternatively, when 10a is pushed, the electromagnetic water supply valve V2 is closed, the pump motor P1 is stopped, and the electrolytic cell 12
When the water supply to the electrolytic cell 12 is stopped, the voltage application from the power supply device 13d to the electrodes 12a and 12b of the electrolytic cell 12 is stopped, and the generation of acidic water and alkaline water in the electrolytic cell 12 is stopped.

By the way, in the present embodiment, the leading end of the acidic water passage (the conduit 15a or 15b, the switching valve V1, the conduit 16a, the acidic water outlet pipe 52 and the acidic water outlet pipe 58), that is, the acidic water outlet pipe. 52 and acid water outlet pipe 5
A connector 56 is provided at the connection portion of 8 to supply the acidic water outlet pipe 5
Since the inside of the dilute salt water introducing pipe 14 from the main pipe portion 14c to the branching portions of the branch branch pipe portions 14a and 14b is pressed by the throttling function, the pressure in the waterway system component upstream of the connector 56 is reduced. In the anode chamber at the time of electrolytic generation (the first electrolytic chamber R1 at the time of applying a positive voltage or the second electrolytic chamber R2 at the time of applying a reverse voltage), inside the conduit 15a or 15b, inside the switching valve V1, inside the conduit 16a and Aeration of chlorine in the acidic water outlet pipe 52 can be suppressed. Therefore, when the acidic water is discharged to the outside of the acidic water pouring pipe 58, the amount of chlorine released into the atmosphere as a gas can be reduced, and it is possible to use acidic water having a large amount of dissolved effective chlorine. it can.

Further, since the connector 56 as the pressurizing means is provided at the connecting portion between the acidic water outlet pipe 52 and the acidic water outlet pipe 58, that is, the outlet end portion of the acidic water passage, the acidic water on the upstream side thereof is Compared with the case where the connector 56 is provided in the passage, bubbling in the acidic water passage can be suppressed, and the acidic water can be led out of the acidic water pouring pipe 58 in a state where the amount of dissolved effective chlorine remains large. .

Further, in the present embodiment, the connector 56 used for connecting the acidic water outlet pipe 52 and the acidic water outlet pipe 58 is provided with a squeezing function to serve as a pressurizing means. Can be effectively used and can be implemented at low cost.

[0025]

FIG. 5 shows a second embodiment of the electrolyzed water producing apparatus according to the present invention.
1 shows an embodiment, and in this electrolyzed water generator, the constitution is substantially the same as the constitution of the first embodiment except the constitution in which the pump motors P2 and P3 are provided in the conduits 16a and 16b, and therefore the same constitution. Are denoted by the same reference numerals and detailed description thereof will be omitted.

The pump motors P2 and P3 are provided in each electrolysis chamber R.
1, acidic water and alkaline water generated in R2, conduit 15a, 15b, switching valve V1 and conduit 16 respectively
a water supply pump for supplying pressure to the acidic water outlet pipe 52 and the alkaline water outlet pipe 53 through a and 16b and a drive motor thereof, which is provided in the outer casing 11 downstream of the switching valve V1 and is remote. When the pouring switch 31 provided on the controller 30 or the pouring switch 10a provided on the upper front surface of the generator 10 is pressed, the electric control device 13a controls the electric power source device 13d to operate (when the power is supplied). The power supply device 13d is stopped when the power supply device 13d is stopped (non-energized).

As described above, in this second embodiment, the acidic water outlet (the outlet 12f when a positive voltage is applied or the outlet 12 when a reverse voltage is applied) of the electrolytic cell 12 is used.
conduit 1 from g) to the leading end of the acidic water passage
6a is provided with a pump motor P2, and the acidic water outlet pipe 52 and the acidic water outlet pipe 5 downstream of the pump motor P2 are provided.
Since the connector 56 having a throttling function is provided at the connection portion of 8, the pressure between the pump motor P2 and the connector 56 in the conduit 16a and the acidic water outlet pipe 52 can be increased, and chlorine in a bubble state in acidic water is pumped. Motor P2
It can be dissolved in acidic water between the connector and the connector. Therefore, the amount of chlorine dissolved in acidic water can be increased, and acidic water having a large amount of dissolved effective chlorine can be used. The pressure is increased by the conduit 16a.
Since there is no pressure increase between the pump motor P2 and the connector 56 in the acidic water outlet pipe 52 and on the upstream side of the pump motor P2, the electrolytic cell 12, the switching valve V1 and other devices and pipe connection parts Water leakage can be prevented.

Further, in this embodiment, the pump motor P2 is connected to the acidic water outlet of the electrolytic cell 12 (the outlet 12f when a positive voltage is applied or the outlet 1 when a reverse voltage is applied).
2g) (that is, on the downstream side of the switching valve V1 in the outer box 11), and the connector 56 having a throttling function is brought close to the leading end of the acidic water passage (that is, the acidic water outlet pipe 52). And the acidic water pouring pipe 58), it is possible to sufficiently secure the passage length of the portion where the pressure is increased by the pump motor P2.
The contact time between chlorine and acidic water in the conduit 16a and the acidic water outlet pipe 52 can be lengthened, chlorine can be sufficiently dissolved in acidic water, and re-foaming of chlorine dissolved in acidic water can be performed. Can be suppressed, and acidic water with a large amount of dissolved effective chlorine can be used.

In the above embodiment, the tap water introduction pipe 1
7, a suction pipe 55 is connected, and tap water supplied through the tap water introduction pipe 17 is mixed with concentrated salt water supplied through the suction pipe 55 to generate diluted salt water in the diluted salt water introduction pipe 14. Although the present invention has been implemented in a water generator, the present invention discloses an electrolyzed water generator of a type in which diluted salt water whose concentration has been adjusted in advance is pressure-fed to a electrolytic cell by a water supply pump (for example, disclosed in JP-A-9-57266). The same can be applied to the above), and in this case, the water supply pump can be eliminated.

In each of the above embodiments, as the acidic water outlet pipe, the relatively long acidic water outlet pipe 58 is used as shown in FIGS. 3 and 4, but the effect of the present invention is sufficiently obtained. For this reason, the shorter the acidic water outlet pipe 58, the more desirable.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing a first embodiment of an electrolyzed water generator according to the present invention.

FIG. 2 is a diagram schematically showing the internal structure of the generator body and the concentrated salt water tank shown in FIG.

FIG. 3 is a perspective view of the remote controller shown in FIG.

FIG. 4 is a cross-sectional view of the acidic water pouring pipe shown in FIG. 3 and a connector attached thereto.

FIG. 5 is a view corresponding to FIG. 2, showing a second embodiment of the electrolyzed water generator according to the present invention.

[Explanation of symbols]

12 ... Electrolyzer, 12c ... Diaphragm, 12f, 12g ... Outlet port, 15a, 15b, 16a, 16b ... Conduit, 52 ... Acidic water outlet pipe, 53 ... Alkaline water outlet pipe, 56 ... Connector having throttling function (addition Pressure means), P2 ... Pump motor, R1 ... First electrolysis chamber, R2 ... Second electrolysis chamber.

Continuation of the front page (56) Reference JP-A-8-257561 (JP, A) JP-A-9-1150 (JP, A) JP-A-7-62699 (JP, A) JP-A-9-308884 (JP , A) JP 8-66682 (JP, A) JP 9-103330 (JP, A) JP 10-24293 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB) Name) C02F 1/46

Claims (2)

(57) [Claims] 1. A positive part formed inside by a diaphragm.
An electrolytic cell for electrolyzing the saline solution supplied to the polar chamber and the cathode chamber into acidic water and alkaline water, and an acidic solution that guides the acidic water and alkaline water generated in the electrolytic cell to the places of use. The water passage, the alkaline water passage , the anode chamber and the cathode chamber, respectively.
Switch the polarity of the voltage applied to each of the provided electrodes to reverse
An electric control device to be controlled, and under the control of the electric control device
The polarity of the voltage applied to the electrodes was switched to reverse
Under the control of the electric control device
A conduit connecting the outlet to the acidic water passage and the cathode chamber
Connect the alkaline water outlet to the alkaline water passage.
In the electrolyzed water producing apparatus provided with a switching valve for switching the flow path of the conduit, the acidic water pouring pipe to which the leading end of the acidic water passage is connected.
By providing a connector with a diaphragm function on the side,
Inside the conduit for acid water flowing out of the anode chamber downstream of the
An electrolyzed water generator characterized in that the partial pressure is increased and maintained . 2. The anode chamber is provided downstream of the switching valve.
Under the control of the electric control device to a conduit for discharging acidic water from
2. The electrolyzed water generating apparatus according to claim 1, further comprising a fluid pump whose operation is controlled by a fluid pump .