JPH11253950A - Tank unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve the miniaturization and wt. reduction of the main body of an electrolytic water making apparatus having an electrolytic cell. SOLUTION: A tank unit 20 is constituted by integrating an acidic water tank 21 and an alkaline water tank 22 connected to a diaphragm electrolytic cell 11 in an electrolytic water making apparatus 10 by pipings to respectively store acidic water and alkaline water formed in the electrolytic cell 11, a pump motor 23 sending and supplying the acidic water in the acidic water tank 21 under pressure, a pump motor 24 sending and supplying alkaline water in the alkaline water tank 22 under pressure, a flow path changeover valve 25 interposed in the piping connecting the electrolytic cell 11 and both tanks 21, 22 to be operated corresponding to the changeover of the polarity of the voltage applied to the electrolytic cell 21, and a control unit 26 controlling the operation of both pump motors 23, 24 and also controlling the changeover operation of the flow path changeover valve 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tank unit having an acidic water tank and an alkaline water tank for storing acidic water and alkaline water generated by electrolysis of water, respectively.

[0002]

2. Description of the Related Art Electrolyzed water generators are roughly classified into those having an acidic water tank and an alkaline water tank for storing acidic water and alkaline water, respectively, and those not having these tanks. Some electrolyzed water generators having an acidic water tank and an alkaline water tank include those provided with both of these tanks integrally with the electrolytic tank and those provided separately with the electrolytic tank.

[0003]

One of the objects of disposing the acidic water tank and the alkaline water tank separately from the electrolytic tank is to reduce the size and weight of the main body of the electrolytic water generator including the electrolytic tank. When miniaturizing a tank unit including an acidic water tank and an alkaline water tank so as to be placed under a sink, ensure the strength of each tank and prevent water from adhering to electric components assembled to the tank unit. There is a need.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is connected to a diaphragm electrolytic cell in an electrolyzed water generating apparatus main body by piping so as to be generated in the electrolytic cell. An acidic water tank and an alkaline water tank for storing acidic water and alkaline water, respectively, a pump motor for pumping acidic water in the acidic water tank, and a pump motor for pumping alkaline water in the alkaline water tank. A flow path switching valve that is interposed in a pipe connecting the electrolytic cell and the two tanks and that performs a switching operation in accordance with switching of voltage application polarity to the electrolytic cell, and controls operation of the two pump motors; The tank unit is characterized by integrating a control device for controlling the switching operation of the flow path switching valve.

[0005] In such a tank unit, the two tanks, the two pump motors, the flow path switching valve, and the control device are integrally framed so that the two tanks are sandwiched. The flow path switching valve and the control device are arranged on one side of the two tanks and are covered with a cover attached to the frame, and the other sides of the two tanks are exposed outside the cover, To provide a discharge port to which a cap is attached to the exposed portion of the tank, and to prevent water from entering the covered portion from the exposed portion at the boundary between the covered portion covered by the cover of each tank and the exposed portion. It is desirable to provide a drain groove.

[0006]

According to the tank unit of the present invention, an acidic water tank and an alkaline water tank, a pump motor for supplying acidic water in the acidic water tank under pressure,
Not only a pump motor for supplying alkaline water in the alkaline water tank under pressure, but also a switching operation that is interposed in a pipe connecting the electrolytic tank and the two tanks and that switches the voltage application polarity to the electrolytic tank. And a control device for controlling the operation of the two pump motors and for controlling the switching operation of the flow path switching valve. The electrolytic water generating apparatus main body (the electrolytic cell and the (With an electrolysis control device for controlling the voltage application and polarity switching of the electrolyzed water), and the electrolyzed water generator main body is hung on a wall on a sink where electrolyzed water is used. Can be used. Further, when both tanks are small, the tank unit can be arranged below the sink, so that the installability of the electrolyzed water generation device separately provided with the electrolyzed water generation device main body and the tank unit is improved.

[0007] In carrying out the present invention, both tanks,
When both tanks are sandwiched by a frame that integrates both pump motors, flow path switching valves, and control devices, both tanks can be reinforced by the frame, and both tanks can be made of resin and thinner. Can be planned. Further, the two pump motors, the flow path switching valve, and the control device are arranged on one side of the two tanks and covered with a cover attached to the frame, and the other sides of the two tanks are outside the cover. An exposed portion is provided, and a discharge port to which a cap is attached is provided at an exposed portion of each of the tanks. Also, a boundary between the covered portion and the exposed portion covered by the cover of each of the tanks is provided from the exposed portion to the covered portion. When a drain groove is provided to prevent intrusion of water, the cover can prevent water from being applied to electric parts such as the pump motor, the flow path switching valve, and the control device, and the drain groove can be used to prevent each drain. Water that leaks from the outlet and water that scatters and adheres to the vicinity of each outlet can be prevented from entering the electrical parts such as the pump motor, the flow path switching valve, and the control device. It is possible to increase the rigidity.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The electrolyzed water generating apparatus shown in FIGS. 1 and 2 includes an electrolyzed water generating apparatus main body 10, a tank unit 20 according to the present invention connected to the main body 10, and a pouring unit 30 connected to the main body 10 (electrolytic water). The electrolyzed water generator main body 10 accommodates a flowing water type electrolytic cell 11 having a diaphragm and a control box 12 therein (see FIG. 2). And the dispensing unit 30 is a pair of curan 3
1, 32 and a pouring operation unit 33 (including a pair of pouring button switches 33a and 33b and pouring indicator lamps 33c and 33d). The control box 12
An electrolysis control device (not shown) for controlling voltage application and polarity switching to the electrolytic cell 11 is provided, and is connected to various electric components of the electrolyzed water generation device to control the operation of the electrolyzed water generation device as a whole. Centralized control device for control (not shown)
It has.

As shown schematically in FIG. 2 and in detail in FIGS. 3 to 5, the tank unit 20 stores acidic water and alkaline water generated in the electrolytic cell 11, respectively, and has a water level sensor S1 therein. , S2, an acidic water tank 21 and an alkaline water tank 22, a pump motor 23 for supplying acidic water in the acidic water tank 21 under pressure, and a pump motor 2 for supplying alkaline water in the alkaline water tank 22 under pressure.
4, a motor-operated flow path switching valve 25 interposed in a pipe connecting the electrolytic cell 11 and the two tanks 21 and 22 and operable to perform a switching operation in accordance with the switching of the voltage application polarity to the electrolytic cell 11; A control device 26 which is connected and connected to each of the electric components in the motor 20 and controls the operation of both pump motors 23 and 24 and controls the switching operation of the flow path switching valve 25 is integrated with a frame 27. , One side is covered by a cover 28.

Each of the tanks 21 and 22 has the same shape, and has inlets 21a and 22a connected to the flow path switching valve 25 on one side (back side) and flow ports connected to the pump motors 23 and 24. Exhaust outlets 21c, 22c having outlets 21b, 22b and overflow outlets 21c, 22c connected to the overflow pipe 29 shown in FIG. 2, and caps 21d, 22d which can be constantly ventilated are attached to the other side (front side). Exit 2
1e, 22e, and is capable of discharging the electrolytic water therein through the discharge ports 21e, 22e and has water level sensors S1, S2.
Can be attached and detached. In each of the tanks 21 and 22, drain grooves 21f and 22f are formed at the boundary between the exposed portion exposed to the outside of the cover 28 and the covered portion covered by the cover 28. Water is prevented from entering the water.

Each of the pump motors 23 and 24 is
Inflow ports 23a, 24a communicating with outflow ports 21b, 22b of the first and second 22
The outlet buttons 23b and 24b are connected to the outlets 1 and 32, respectively.
The drive is performed by pressing a and 33b. The flow path switching valve 25 is connected to the pair of outlets 11 of the electrolytic cell 11.
a, 25b, a pair of inflow ports 25a, 25
b, and a pair of outlets 25c and 25d that are connected to the inlets 21a and 22a of the tanks 21 and 22, respectively.

The frame 27 is composed of two tanks 2 arranged in parallel.
Bottom plate 2 for connecting and holding one side of tanks 1 and 22 at the tank bottom
7a and a vertical plate 27b which is attached to one end (the left end in FIG. 3) of the bottom plate 27a and supports the flow path switching valve 25 and the control device 26 via a bracket. Are formed with a pair of arms 27a1 and 27a2 for holding both tanks 21 and 22, and both pump motors 23 and 24 are mounted on a connecting portion between the bottom plate 27a and the vertical plate 27b.

The cover 28 has a box-like shape with the bottom side and the tank side (front side) opened, and is removably assembled to the frame 27. And both upper and lower pump motors 2
3, 24, the flow path switching valve 25, and the control device 26 are covered laterally and above. In addition, a through hole is provided on the back surface of the cover 28 for inserting a pipe provided between the cover 28 and the electrolyzed water generation device main body 10 and the pouring unit 3 is provided.
There is provided a through hole for inserting a pipe provided between the pipes.

In the present embodiment configured as described above, the acidic water tank 21 and the alkaline water tank 22
A pump motor 23 for supplying acidic water in the acidic water tank 21 under pressure and a pump motor 24 for supplying alkaline water in the alkaline water tank 22 under pressure are provided.
And a flow path switching valve 25 which is interposed in a pipe connecting the two tanks 21 and 22 and operates to switch in accordance with the switching of the voltage application polarity to the electrolytic cell 21, and controls the operation of both pump motors 23 and 24. In addition, a control device 26 for controlling the switching operation of the flow path switching valve 25 is also integrated with the frame 27, so that the size and weight of the electrolyzed water generating device main body 10 (provided with the electrolytic cell 11 and the control box 12) are reduced. Therefore, it is possible to use the electrolyzed water generator main body 10 by hanging it on a wall surface on the sink A where the electrolyzed water is used. Further, in the tank unit 20 of the present embodiment, since both tanks 21 and 22 are small, the tank unit 20 can be compactly arranged below the sink A as shown in FIG. Water generator 1
The installation efficiency of the electrolyzed water generating apparatus including the zero, the tank unit 20, and the pouring unit 30 separately is improved.

In this embodiment, both tanks 2 are used.
Since both the tanks 21 and 22 are sandwiched between the arms 27a1 and 27a2 of the frame 27, the two tanks 21 and 22 can be reinforced by the frame 27, and the resin and the thickness of the tanks 21 and 22 can be reduced. . In the present embodiment, the two pump motors 23 and 24, the flow path switching valve 25, and the control device 26 are covered by a cover 28 that is disposed on one side of the two tanks 21 and 22 and that is assembled to the frame 27. The other side of both tanks 21 and 22 is covered by cover 28.
The outlet 2 is configured to be exposed to the outside, and the caps 21d and 22d are attached to the exposed portions of the tanks 21 and 22.
1e and 22e are provided, and drainage grooves 21f and 22f for preventing water from entering from the exposed portion to the covering portion are provided at the boundary between the covering portion and the exposed portion covered by the cover 28 of each tank 21 and 22. Since the cover 28 is provided, it is possible to prevent the pump motors 23 and 24, the flow path switching valve 25, and the control device 26 from being wet by electric parts by the cover 28, and at the same time, each drain 21e is formed by the drain grooves 21f and 22f. , 22e and each outlet 21e, 22e
Pump motors 23, 24 of water splashing and adhering in the vicinity of
It is possible to prevent entry into the electric components such as the flow path switching valve 25 and the control device 26 and to increase the rigidity of the tanks 21 and 22 themselves.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the overall configuration of an embodiment of an electrolyzed water generating apparatus including a tank unit according to the present invention.

FIG. 2 is a circuit diagram schematically showing an overall configuration of the electrolyzed water generating apparatus shown in FIG.

FIG. 3 is a side view of the tank unit shown in FIGS. 1 and 2;

FIG. 4 is a plan view of the tank unit shown in FIG.

FIG. 5 is a rear view of the tank unit shown in FIG. 3;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Electrolysis water generation apparatus main body, 11 ... Electrolysis tank, 20 ... Tank unit, 21 ... Acid water tank, 22 ... Alkaline water tank, 23,24 ... Pump motor, 25 ... Flow path switching valve, 26 ... Control device, 27 ... frame, 28 ... cover,
21d, 22d: cap, 21e, 22e: outlet,
21f, 22f: drain groove, 30: pouring unit.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masahiro Fujita 3-16, Sakaemachi South Building, Toyoake City, Aichi Prefecture Inside Hoshizaki Electric Co., Ltd.

Claims (3)

[Claims] An acidic water tank and an alkaline water tank which are connected to a diaphragm electrolytic cell in an electrolytic water generating apparatus main body by piping so as to store acidic water and alkaline water generated in the electrolytic cell, respectively, A pump motor for pumping acidic water in the tank, a pump motor for pumping alkaline water in the alkaline water tank, and a pump motor interposed in the pipe connecting the electrolytic tank and the two tanks to the electrolytic tank. And a control unit for controlling the operation of the two pump motors and controlling the switching operation of the flow path switching valve. 2. The tank unit according to claim 1, wherein the two tanks are sandwiched by a frame that integrates the two tanks, the two pump motors, the flow path switching valve, and the control device. 3. The two pump motors, the flow path switching valve, and the control device are disposed on one side of the two tanks and covered with a cover attached to the frame. The tank is configured to be exposed outside the cover, and a discharge port for attaching a cap is provided at an exposed portion of each of the tanks, and a boundary between the covered portion and the exposed portion covered by the cover of each of the tanks is covered from the exposed portion. 2. The tank unit according to claim 1, further comprising a drain groove for preventing water from entering the part.