JP3494808B2 - Intake control unit for electrolyzed water generator - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of an electrolyzed water generator for generating acidic water and alkaline water by electrolyzing tap water and the like. , together Specifically, the intake of the generated acidic water and alkaline water in each tank,
The present invention relates to a water intake control device that controls the state of water intake. 2. Description of the Related Art A conventional electrolyzed water generator converts acidic water and alkaline water generated by electrolysis in an electrolytic cell into, for example, Japanese Patent Application Laid-Open No. 7-204645 and Japanese Utility Model Application Laid-Open No. 57-17388.
As described in each drawing of Japanese Patent Publication No. 9, all are configured to take water from a water receiving port provided on the upper surface of a tank (water tank). On the other hand, alkaline water generated by electrolysis contains a large amount of minerals such as calcium and magnesium, and increases when the hardness of raw water is high. Therefore, when the tank is full, the alkaline water overflows as it is. If this is done, the scale of the above-mentioned calcium or magnesium will adhere to the overflow path, causing obstacles such as inability to drain or malfunction, and therefore, conventionally, for example, as shown in JP-A-6-238277, acidic water The above scale was backwashed. [0004] When the acidic water and the alkaline water generated by the electrolysis as described above are used while being stored in the tank, the performance of the generated water in the tank is 2.
Deterioration occurs in about 3 days, and the effect deteriorates as the age increases.
No. 3889), in which a new product water is supplied from above the tank, new product water is added to the old product water, so that the performance of the product water is significantly reduced. was there. It has also been considered to provide an overflow outlet at the top of the tank to replace new product water with old product water. However, as in the above-described conventional example, new product water is supplied from the upper side of the tank. In the case of the type, when the water is supplied, the new product water in the upper layer overflows, and the old product water remains in the tank forever, and there is a problem that sufficient performance cannot be exhibited. Further, as described in the above-mentioned conventional example (Japanese Patent Laid-Open No. Hei 6-238277), it is possible to carry out back-washing with scale with alkaline water as described in the above-mentioned conventional example (Japanese Patent Laid-Open No. 6-238277). A faucet is provided at the tip of the water pipe, and it is a stop-stop type that takes in alkaline water by opening the faucet.In addition, an incoming water flow rate sensor and a generated water selection switch are provided to switch the electric circuit, and Since it is configured to be used when draining the electrolyzed water and mainly extracting only the alkaline water, it cannot be used for a type of electrolyzed water generator that collects and collects both electrolyzed water and alkaline water in a tank, There is also a problem that the structure itself becomes complicated and the manufacturing cost increases. [0007] Therefore, a technical problem of the present invention is that the generated water stored in the tank can always be kept fresh, and both acidic water and alkaline water are stored in the tank and used while using each. Intake restriction for electrolyzed water generator that enables removal of scale adhesion due to alkaline water by acidic water with a device with relatively simple structure
It is to provide a device . [0008] Means taken in the present invention to solve the above technical problems are as follows. [0009] The acidic water and alkaline water produced by electrolysis by the electrolytic cell, while intake in the acidic water tank and the alkaline water tank through the intake pipes, the intake
Intake limiting electrolytic water generator which is configured to control the state
A water level detection sensor is provided in each of the acidic water tank and the alkaline water tank, and the middle part of each water intake pipe connected to each of these tanks is connected by a communication pipe via an electromagnetic switching valve. Then, a drain pipe is connected to the communication pipe, and a controller that switches and controls each of the switching valves based on a detection signal sent from each of the water level detection sensors has a function that the alkaline water tank is full and the acidic water tank is full. If not full, the alkaline water draining means for draining alkaline water drainage pipe by switching the switching valve alkaline water intake pipes, the a
When the acidic water tank is full after draining the lukari water ,
After returning the switching valve to return the flow path of the alkaline water to the original position, the switching valve of the acidic water intake pipe is switched for a predetermined time to drain the acidic water to the drain pipe, and an acidic water tank.
Is switched when the tank is full and the alkaline water tank is not full.
Overflow of acidic water from the tank without switching the valve
When the alkaline water tank is full.
And a production stopping means for stopping the production by the dismantling tank . According to the above means, when alkaline water tank is full ahead, while to prevent flow in the flow path of the overflow to flow once alkaline water by switching the switching valve to drain, then acidified When the water tank is full, the alkaline water flow path is returned to its original position, and acidic water is allowed to flow through the drain pipe for a predetermined time to remove the scale. The scale such as magnesium does not adhere, and it is possible to prevent various troubles caused by the scale adhesion. Furthermore, according to the means described above, since the acidic water tank when it becomes full earlier, as it is overflowed, then, stops the production by the electrolytic cell when the alkaline water tank is full, By keeping both tanks full without overflowing alkaline water, both acidic water and alkaline water can be used at any time while preventing scale adhesion. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a water intake control device for an electrolyzed water generator according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a block diagram illustrating a configuration of an electrolyzed water generator provided with a water intake control device according to the present invention,
In the figure, the reference numeral 1 generally designates an electrolytic generator for generating acidic water and alkaline water by electrolyzing raw water (tap water) such as drinking water in an electrolytic tank 3, and 3H for an electrolytic tank. 3 that partitions the interior of 3 into two chambers 3A, 3B, 4A,
4B is an electrode provided in each of the chambers 3A and 3B, 6 is an electric circuit connected to the electrodes 4A and 4B, and 7 is an electric circuit 6
Reference numeral 8 denotes a setting device (selection switch) for inputting various data and an operation signal to the controller 7. Reference numeral 2 denotes a feed pipe for sending raw water to the electrolytic tank 3; 5 a salt water tank for supplying salt water (electrolyte) to the raw water flowing through the feed pipe 2 through the feed pipe 5A; The provided manual drain valve 18A indicates the drain tube. Reference numerals 11 and 12 denote respective intake pipes of acidic water and alkaline water connected to the respective chambers 3A and 3B of the electrolytic cell 3, 9 and 1 respectively.
Numeral 0 denotes an electromagnetic switching valve (3-port solenoid valve) provided in the middle of each of the intake pipes 11 and 12, and both switching valves 9, 10
Are connected by a connecting pipe 13, and a drain pipe 13 </ b> A is connected to the connecting pipe 13. Numerals 14 and 15 denote storage tanks attached to the distal ends of the above-mentioned alkaline water intake pipes 12 and the acidic water intake pipes 11, respectively. 11A is inserted in the inner bottom portion of each tank 14, 15 so that new alkaline water and acidic water sent from the electrolytic cell 3 can be sequentially sent to the inner bottom portion of each tank 14, 15. 14T and 15T are alkaline water tanks 14
And an overflow outlet provided at each upper part of the acidic water tank 15, and 16 and 17 are respective outlets 14T, 15
Outflow pipes connected to T, 14H and 14L and 15H and 15
L denotes upper and lower water level detection sensors provided above and below each tank 14, and these sensors 14H to 1H
5L is a mechanism for notifying the controller 7 of the water level in each of the tanks 14 and 15. FIG. 2 shows another example of the construction of the tanks 14 and 15. In the drawing, the tip portions 11 A and 12 A of the intake pipes 11 and 12 are connected to the tanks 14 and 1.
5 is connected to the lower side, so that new alkaline water and acidic water can be sequentially supplied to the inner bottom side of each of the tanks 14 and 15. Each of the above-described water level detection sensors 14H, 14
Based on the detection signals from L, 15H and 15L, the above-mentioned electric circuit 6 of the electrolytic cell 3 and the memory of the controller 7 for controlling the electromagnetic switching valves 9 and 10 mounted in the middle of the respective intake pipes 11 and 12 are stored. As shown in FIG. 4, the alkaline water tank 14 is full and the acidic water tank 15
Is not full, the switching valve 10 connected to the intake pipe 12 for alkaline water is switched to the direction of the communication pipe 13 to discharge the alkaline water sent from the electrolytic cell 3 to the drain pipe 13A. Is programmed. Further, the memory of the controller 7 includes
After draining the alkaline water, the acidic water tank 15
Is full, the switching valve 10 is returned to the water pipe 12 side, and the switching valve 9 on the acid water intake pipe 11 side is connected to the communication pipe 13.
And the acidic water draining means for removing the scale by flowing the acidic water sent from the electrolytic cell 3 to the drain pipe 13A side is programmed. The drainage of the acidic water is performed for a predetermined time (for example, several minutes) determined by a timer 7T (see FIG. 4).
After that, the switching valve 9 is returned to the original intake pipe 11 side, and the acidic water is sent to the tank 15. In addition, the memory of the controller 7 has
When the acidic water tank 15 is full and the alkaline water tank 14 is not full, the acidic water overflows from the outlet 15T of the tank 15 without switching any of the switching valves 9 and 10, and thereafter, the alkaline water tank 14 becomes full. At this point, a generation stopping means for controlling the electric circuit 6 to stop the generation of the electrolytic cell 3 is programmed. Therefore, according to the above-described configuration, even when the alkaline water tank 14 is full, the alkaline water is not overflown from the outlet 14T, but is supplied to the drain pipe 13A by switching the switching valve 10, and thereafter, the alkaline water is discharged. When the water tank 15 is full, the acidic water flows into the drain pipe 13A, so that the scale is not attached to either the outlet 14T (the overflow path) or the drain pipe 13A, and the acidic water and the alkaline water are generated. Make it possible. FIG. 3 is a flow chart for explaining the above-described production procedure according to the present invention. In step S1, production is performed by the electrolytic cell 3, and in step S2, it is determined whether or not the acidic water tank 15 has been filled first. If the determination is YES, the process proceeds to step S3, where generation by the electrolytic cell 3 is continued,
In the next step S4, excess acidic water overflows from the outlet 15T of the acidic water tank 15. Thereafter, when the alkaline water tank 14 becomes full in the next step S5, the generation by the electrolytic cell 3 is stopped in step S6, and the process is terminated. On the other hand, if it is determined in step S2 that the acidic water tank 15 is not full, the process proceeds to step S7, where it is determined whether or not the alkaline water tank 14 is full first. In this case, the process proceeds to the next step S8, in which the alkaline water flows into the drain pipe 13A by switching the switching valve 10, and then, in step S9, the acidic water tank 1 is discharged.
When it is determined that 5 has become full, the switching valve 10 is returned to return the flow path of the alkaline water to its original state, while the switching valve 9 on the acidic water side is switched to discharge the acidic water for the time set by the timer 7T. Drain the pipe 13A to remove the scale, and then
Proceeding to step S11, when the time-up of the timer 7T is confirmed, the process proceeds to step S6 described above to end the processing. While the scale of the drain pipe 13A is being removed by the acidic water, the supply of the alkaline water may proceed and overflow from the outlet 14H. However, this time is very short, and the amount of adhered scale is reduced. Because it is not small, the effect is extremely small. As described above, according to the water intake control apparatus for an electrolyzed water generator according to the present invention, freshly generated water is always stored in a tank, and acidic water and alkaline water having excellent performances are stored. The scale does not adhere to any of the overflow path and the drainage path of the alkaline water tank, and even if it adheres, the amount is very small. An electrolyzed water generator with few obstacles can be provided.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an electrolyzed water generator provided with a water intake control device according to the present invention. FIG. 2 is a configuration diagram illustrating a connection state of an intake pipe to a tank. FIG. 3 is a flowchart illustrating a processing procedure for generating electrolyzed water. FIG. 4 is a configuration diagram illustrating the entirety of the present invention. [Description of Signs] 1 Electrolyzed water generator 3 Electrolyzer 6 Electric circuit 7 Controller 9, 10 Electromagnetic switching valve (3 port solenoid valve) 11 Acid water intake pipe 12 Alkaline water intake pipe 11A, 12A Tip port 13 Communication pipe 13A Drainage Pipe 14 Alkaline water tank 15 Acid water tank 14T, 15T Outlets 14H, 14L, 15H, 15L Water level detection sensor

Claims (1)

(57) the Patent Claims 1 acidic water and alkaline water produced by electrolysis by the electrolytic cell, while intake in the acidic water tank and the alkaline water tank through the intake pipes, the intake
Configured electrolytic water generator for water intake system so as to control the state
A water level detection sensor is provided in each of the acidic water tank and the alkaline water tank, and a middle part of each intake pipe leading to each of these tanks is connected by a communication pipe via an electromagnetic switching valve. ,
When a drain pipe is connected to this communication pipe and the controller that controls the switching of each of the switching valves based on the detection signal sent from each of the water level detection sensors is used, the alkaline water tank is full and the acidic water tank is not full. in the alkaline water draining means for draining alkaline water drainage pipe by switching the switching valve alkaline water intake pipes, after drainage of the alkaline water, if acidic water tank is full, alkaline water is returned to said switching valve After returning the flow path, the acidic water drainage means for switching the switching valve of the acidic water intake pipe for a predetermined time to drain the acidic water to the drain pipe, and the acidic water tank is full and the alkaline water tank is not full
The acidic water in the tank without switching the switching valve.
Overflow and the alkaline water tank is full.
Generation stopping means for stopping generation by the electrolytic cell when
And a water intake control device for an electrolyzed water generator.