CN115341625A - Control method of electrolyzed water generation device for integrated water tank - Google Patents

Abstract

The invention discloses a control method of an electrolyzed water generating device for an integrated water tank, which comprises the following steps of after the electrolyzed water generating device (7) is started, carrying out corresponding actions according to user instructions: (1) a first operating mode: when a user indicates to produce acidic water and alkaline water, tap water enters the salt tank (71) and is mixed with salt to form saturated salt water, the saturated salt water enters the intermediate chamber (7413) of the electrolysis chamber (74), the tap water enters the soft water tank (72) and is softened into soft water, the soft water enters the anode chamber (7411) and the cathode chamber (7412) of the electrolysis chamber (74), the electrolysis chamber (74) electrolyzes the water to generate the acidic water in the anode chamber (7411), and the alkaline water in the cathode chamber (7412); (2) a second operation mode: when the user instructs to supply soft water to the washing machine, the tap water enters the soft water tank (72) to be softened into soft water and enters the washing machine (5). Compared with the prior art, the control method has the advantages of simplified structure and low cost.

Description

Control method of electrolyzed water generation device for integrated water tank

Technical Field

The invention relates to the technical field of kitchen equipment, in particular to a control method of an electrolyzed water generating device for an integrated water tank.

Background

Current integrated sinks integrate a variety of products that are spatially or functionally associated with the sink, including cleaning machines, water purifiers, kitchen waste disposers, kitchen utensil sanitizers, electrolyzed water generating devices, and the like.

For example, a utility model patent of multifunctional intelligent integrated sink with patent application number CN201721005040.0 (publication number CN 207109957U) discloses a multifunctional intelligent integrated sink, which comprises a sink body, and a top-open type dish washer, a water purifying device, an electrolytic water sterilizing device and an ultrasonic device which are arranged on the sink body; the water tank body at least consists of two integrally formed sub-water tanks. The integrated water tank can almost cover all functions of kitchen water, and can effectively meet various requirements of people.

However, in the existing integrated water tank, the components are only integrated together in physical space, and the functions of the components are not related to each other.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a control method of an electrolyzed water generating device for an integrated water tank, which has a simplified structure and low cost.

The technical scheme adopted by the invention for solving the technical problems is as follows: a control method of an electrolyzed water generating device for an integrated water tank, the integrated water tank comprises a tank body with a table top at the top, a water tank with a main body arranged below the table top, and a cleaning machine and the electrolyzed water generating device which are arranged in the tank body, and is characterized in that: the electrolyzed water generating device comprises a salt tank, a soft water tank and an electrolysis chamber, wherein the electrolysis chamber is provided with an anode chamber, a cathode chamber and an intermediate chamber;

the control method comprises the following steps:

after the electrolyzed water generating device is started, corresponding actions are carried out according to the instruction of a user:

(1) A first operating mode: when a user indicates to produce acidic water and alkaline water, tap water enters the salt tank and is mixed with salt to form saturated salt water, the saturated salt water enters the middle chamber of the electrolysis chamber, the tap water enters the soft water tank and is softened into soft water, the soft water enters the anode chamber and the cathode chamber of the electrolysis chamber, the electrolysis chamber carries out electrolysis on the soft water, the acidic water is generated in the anode chamber, and the alkaline water is generated in the cathode chamber;

(2) A second working mode: when the user instructs to supply soft water to the washing machine, the tap water enters the soft water tank to be softened into soft water and enters the washing machine.

In order to recycle the salt solution and save electrolyte, in the first working mode, the salt solution obtained after the electrolysis in the middle chamber returns to the salt tank to be mixed with the salt to regenerate the saturated salt solution.

In order to facilitate the switching of two modes of supplying soft water to the electrolysis chamber and the cleaning machine, the cleaning machine is provided with a water inlet end;

the salt tank is provided with a water inlet end, a water outlet end for discharging saturated salt water and a water return end for recycling the salt water, and the water inlet end of the salt tank is in fluid communication with a tap water supply pipeline;

the soft water tank is provided with a water inlet end for hard water to enter and a water outlet end for soft water to be discharged, and the water inlet end of the soft water tank is in fluid communication with a tap water supply pipeline;

the electrolysis chamber is provided with a first water inlet end, a second water inlet end, a third water inlet end, a water discharging end, a first water outlet end for discharging acidic water and a second water outlet end for discharging alkaline water, the first water inlet end of the electrolysis chamber is in fluid communication with the water outlet end of the salt tank, and the water discharging end of the electrolysis chamber is in fluid communication with the water return end of the salt tank;

the water outlet end of the soft water tank is communicated with the second water inlet end and the third water inlet end of the electrolysis chamber through a first soft water pipe and is communicated with the water inlet end of the cleaning machine through a second soft water pipe;

the integrated water tank is characterized in that valves are arranged on the first water hose and the second water hose respectively, so that the integrated water tank has at least two states:

in the first state, the first flexible water pipe is communicated, and the second flexible water pipe is blocked;

in the second state, the second flexible water pipe is communicated, and the first flexible water pipe is blocked;

in a first working mode, the integrated water tank is in a first state;

and in a second working mode, the integrated water tank is in a second state.

To simplify the valve arrangement and facilitate operation, the first and second flexible water pipes share a second valve.

Preferably, a fifth communication pipeline is connected between the water outlet end of the soft water tank and the second valve, a sixth communication pipeline is connected between the second valve and the second water inlet end and the third water inlet end of the electrolysis chamber, a seventh communication pipeline is communicated between the second valve and the water inlet end of the cleaning machine, the fifth communication pipeline and the sixth communication pipeline form the first soft water pipe, and the fifth communication pipeline and the seventh communication pipeline form the second soft water pipe;

in the first state, the inlet of the sixth communication channel is communicated, and the inlet of the seventh communication channel is blocked;

in the second state, the inlet of the sixth communication passage is blocked, and the inlet of the seventh communication passage is communicated.

In order to electrolyze saturated salt water and soft water into acidic water and alkaline water, the electrolytic chamber comprises

A box body;

the two diaphragms which are arranged side by side are arranged in the box body and divide the inner cavity of the box body into the anode chamber, the middle chamber and the cathode chamber which are arranged in sequence;

the anode is arranged in the anode chamber; and

the cathode is arranged in the cathode chamber;

the first water inlet end and the water discharge end of the electrolysis chamber are communicated with the middle chamber, the second water inlet end and the first water outlet end of the electrolysis chamber are communicated with the anode chamber, and the third water inlet end and the second water outlet end of the electrolysis chamber are communicated with the cathode chamber.

In order to save the consumption of electrolyte, ensure the safety of reaction and play a role in energy conservation, the anode and the cathode are electrically connected with an external power supply, and the external power supply is a current-limiting power supply.

In order to store the acidic water and the alkaline water conveniently, the electrolyzed water generating device also comprises

An acid water tank for storing acid water having a water inlet end and a water outlet end, the water inlet end of the acid water tank being in fluid communication with the first water outlet end of the electrolysis chamber; and

an alkaline water tank for storing alkaline water having a water inlet end and a water outlet end, the water inlet end of the alkaline water tank being in fluid communication with the second water outlet end of the electrolysis chamber.

In order to conveniently recover the replacement capacity of the soft water tank, the salt tank is communicated with the soft water tank through a backflushing channel, and a valve for controlling the on-off of the backflushing channel is arranged at the backflushing channel.

Compared with the prior art, the invention has the advantages that: through with brineelectrolysis generating device and cleaning machine sharing salt case and softened water tank, under the condition that does not increase cost, guaranteed that the electrolysis chamber can produce acidity and alkaline brineelectrolysis, diaphragm and electrode are difficult for becoming invalid by incrustation scale jam simultaneously, have prolonged life greatly.

Drawings

FIG. 1 is a schematic perspective view of an integrated sink according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of the cabinet of fig. 1 with a part of side panels omitted;

FIG. 3 is a schematic perspective view of FIG. 1 with the top cover omitted and the top cover in another direction;

FIG. 4 is a schematic perspective view of the electrolyzed water forming apparatus shown in FIG. 2;

FIG. 5 is a longitudinal sectional view of FIG. 4 with the electrolytic cell, the acid water tank and the alkaline water tank omitted;

fig. 6 is a longitudinal sectional view of the electrolytic cell of fig. 4.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Fig. 1 to 6 show a preferred embodiment of the integrated water tank of the present invention. The integrated water tank comprises a cabinet body 1, a water tank 2, a garbage processor 3, a cleaning machine 5, a kitchen utensil sterilizing machine 6 and an electrolyzed water generating device 7.

Wherein, the top of the cabinet body 1 has a table top 11, the top surface of the table top 11 is partially recessed downwards to form a recessed part 111, the left part of the bottom surface of the recessed part 111 is provided with a garbage putting port 1111, the position of the bottom surface of the recessed part 111 behind the garbage putting port 1111 is provided with a hinged seat 1112, the rear part of the middle surface of the table top 11 is provided with a water purifying tap 112, the water purifying tap 112 is provided with a water inlet end and a water outlet end, the water outlet end of the water purifying tap 112 faces the top opening of the sink 2, and the rear part of the left side surface of the table top 11 is provided with a mounting port 113 and a mounting groove 114; a top cover 12 is covered above the garbage input port 1111, the rear end of the top cover 12 is hinged on a hinge seat 1112 for opening and closing the garbage input port 1111, and the top surface of the top cover 12 is substantially flush with the top surface of the table 11 in a state that the top cover 12 closes the garbage input port 1111; a bracket 13 is arranged at the left side of the inner cavity of the cabinet body 1; the spraying pot 14 is inserted into the mounting groove 114, the bottom of the spraying pot 14 has a water inlet end, and the upper portion of the spraying pot 14 has a nozzle as a water outlet end, which is exposed on the upper surface of the table 11.

The sink 2 is embedded in the right part of the bottom surface of the concave part 111, the main body of the sink is arranged below the table-board 11 and is close to the garbage throwing-in port 1111, so that garbage can be conveniently thrown in, and the left part of the bottom surface of the sink 2 is provided with a water outlet 21.

The garbage disposer 3 is installed on the upper part of the bracket 13 and is arranged right opposite to the garbage input port 1111.

The washing machine 5 is disposed in the cabinet 1, under the sink 2, and at the right side of the rack 13, for washing dishes waiting for washing. The cleaning machine 5 and the water outlet 21 of the water tank 2 are arranged in a staggered manner in the vertical direction, so that the water outlet pipe of the water tank 2 is prevented from interfering with the cleaning machine 5, and the height of the inner cavity of the cleaning machine 5 is increased to the maximum extent. In this embodiment, the space is allocated according to the value, and the space such as the water tank 2, the drainer, the skirting line and the like is saved in the cleaning machine 5, so that the volume of the cleaning machine 5 is remarkably increased, and the cleaning capacity is larger.

The kitchen sterilizer 6 is disposed in the cabinet 1 and faces the mounting opening 113.

The electrolyzed water generating apparatus 7 is installed at the lower portion of the bracket 13, and as shown in fig. 4 to 6, the electrolyzed water generating apparatus 7 includes a salt tank 71, a soft water tank 72, an electrolysis chamber 74, an acid water tank 75, and an alkaline water tank 76.

Specifically, the salt tank 71 is used for mixing water and salt to generate saturated salt water, and has a salt feeding port 710, a water inlet end, a water outlet end and a water return end. A rotary cover 7101 is detachably connected at the salt feeding port 710 of the salt box 71; the water inlet end of the salt tank 71 is connected to the tap water supply line through a first tap water pipe 711.

The soft water tank 72 is used to soften a body of water and has a water inlet end and a water outlet end. The soft water tank 72 has a water inlet end communicating with the tap water supply line through a second tap water pipe 721. In addition, the salt tank 71 and the soft water tank 72 are communicated through a backflushing channel 720, a valve for controlling the on-off of the backflushing channel 720 is arranged at the position of the backflushing channel 720, when the soft water tank 72 runs for a certain time, the soft water resin in the soft water tank 72 can reach exchange balance and lose replacement capacity, at the moment, the backflushing channel 720 can be opened, and saturated salt water in the salt tank 71 is led into the soft water tank 72 through the backflushing channel 720 to backflush the soft water resin.

The electrolysis chamber 74 is a double-diaphragm three-chamber electrolysis chamber for electrolyzing saturated saline and soft water to generate acidic water and alkaline water. Specifically, the box 741 has a first water inlet end, a second water inlet end, a third water inlet end, a water discharge end, a first water outlet end and a second water outlet end; the number of the diaphragms 742 is two, and the two diaphragms 742 are arranged side by side, the two diaphragms 742 are respectively an anion exchange membrane and a cation exchange membrane, and divide the inner cavity of the box 741 into an anode chamber 7411, an intermediate chamber 7413 and a cathode chamber 7412 which are arranged in sequence, a first water inlet end and a water outlet end on the box 741 are communicated with the intermediate chamber 7413, a second water inlet end and a first water outlet end on the box 741 are communicated with the anode chamber 7411, and a third water inlet end and a second water outlet end on the box 741 are communicated with the cathode chamber 7412. The water outlet end of the salt tank 71 is communicated with the first water inlet end of the electrolysis chamber 74 through a saturated salt water pipe 712, a third delivery pump 7121 capable of delivering water from the inlet to the outlet of the saturated salt water pipe 712 is installed on the saturated salt water pipe 712, and the water return end of the salt tank 71 is communicated with the water discharge end of the electrolysis chamber 74 through a water return pipe 713; the water outlet end of the soft water tank 72 is communicated with the second and third water inlet ends of the electrolysis chamber 74 through the first soft water pipe 722, and is communicated with the water inlet end of the washing machine 5 through the second soft water pipe 723. In addition, anode 743 and cathode 744 are electrically connected with an external power supply, which is a current-limiting power supply in this embodiment, and thus the design has the advantages that: for a double-diaphragm system, saturated saline solution is introduced into the intermediate chamber 7413, the concentration is very high, the current during the electrolytic reaction is very high, the reaction is too violent, the electrolyte consumption is high, the generated products and byproducts are uncontrollable, the current is limited within a certain range by a current-limiting power supply, the consumption of the electrolyte can be saved on the premise of ensuring that the required pH value is generated to obtain acid and alkaline electrolytic water, the safety of the reaction is ensured, and the energy-saving effect is achieved.

The acid tank 75 is used to store acid water and has a water inlet end and a water outlet end. The inlet end of the acid tank 75 is in fluid communication with the first outlet end of the electrolytic cell 74, and the outlet end of the acid tank 75 is in communication with the inlet end of the watering can 14 via an acid water line 751.

The alkaline water tank 76 is used for storing alkaline water and has a water inlet end and a water outlet end. The inlet end of the alkaline water tank 76 is in fluid communication with the second outlet end of the electrolysis chamber 74, and the outlet end of the alkaline water tank 76 is in communication with the inlet end of the watering can 14 via an alkaline water line 761.

Valves are provided on the first tap water pipe 711, the second tap water pipe 721, the first soft water pipe 722, the second soft water pipe 723, the acidic water pipe 751 and the alkaline water pipe 761.

In this embodiment, the first tap water pipe 711 and the second tap water pipe 721 share the first valve 77. A first communicating pipeline is connected between the tap water supply pipeline and the first valve 77, a second communicating pipeline is connected between the first valve 77 and the water inlet end of the salt tank 71, a third communicating pipeline is connected between the first valve 77 and the water inlet end of the soft water tank 72, the first communicating pipeline and the second communicating pipeline form a first tap water pipe 711, and the first communicating pipeline and the third communicating pipeline form a second tap water pipe 721.

In the present embodiment, the first and second flexible water pipes 722 and 723 share one second valve 78. A fifth communication pipeline is connected between the water outlet end of the soft water tank 72 and the second valve 78, a sixth communication pipeline is connected between the second valve 78 and the second water inlet end and the third water inlet end of the electrolysis chamber 74, a seventh communication pipeline is communicated between the second valve 78 and the water inlet end of the washing machine 5, the fifth communication pipeline and the sixth communication pipeline form a first soft water pipe 722, and the fifth communication pipeline and the seventh communication pipeline form a second soft water pipe 723.

By switching the first valve 77 and the second valve 78, the integrated water tank has at least two states:

in the first state, the inlets of the third communication pipes communicate to communicate the second tap water pipe 721; the inlet of the sixth communication passage is communicated and the inlet of the seventh communication passage is blocked so that the first soft water pipe 722 is communicated and the second soft water pipe 723 is blocked; thus, the tap water in the tap water supply line is introduced into the soft water tank 72 through the second tap water pipe 721, and the soft water formed by softening the tap water is introduced into the anode chamber 7411 and the cathode chamber 712 of the electrolysis chamber 74 through the first soft water pipe 722 under the aforementioned water pressure;

in the second state, the inlets of the third communication pipes communicate to communicate the second tap water pipe 721; the inlet of the sixth communication passage is blocked and the inlet of the seventh communication passage is communicated to communicate the second soft water pipe 723 and the first soft water pipe 722; thus, the tap water in the tap water supply line is introduced into the soft water tank 72 through the second tap water pipe 721, and the soft water formed by softening the tap water is introduced into the washing machine 5 through the second soft water pipe 723 by the aforementioned water pressure.

In this embodiment, the acid water pipe 751 and the alkali water pipe 761 share the third valve 79. An eighth communication pipe is connected between the outlet end of the acidic water tank 75 and the third valve 79, a ninth communication pipe is connected between the outlet end of the alkaline water tank 76 and the third valve 79, a tenth communication pipe is connected between the third valve 79 and the water inlet end of the watering can 14, a second delivery pump 7511 capable of delivering water from the inlet to the outlet of the tenth communication pipe is installed on the tenth communication pipe, the eighth communication pipe and the tenth communication pipe form an acidic water pipe 751, and the ninth communication pipe and the tenth communication pipe form an alkaline water pipe 761. Thus, the third valve 75 is switched to selectively connect the acidic water pipe 751 and the alkaline water pipe 761, and the second delivery pump 7511 is activated to deliver the acidic water or the alkaline water to the watering can 14.

The electrolytic water generator 7 is controlled as follows:

after the electrolyzed water generating device 7 is started, corresponding actions are carried out according to the instruction of a user:

(1) A first operating mode: when a user instructs to produce acidic water and alkaline water, the first valve 77 and the second valve 78 are switched to a first state, tap water enters the salt tank 71 through the first tap water pipe 711 and is mixed with salt to form saturated salt water, the saturated salt water enters the intermediate chamber 7413 of the electrolysis chamber 74 through the saturated salt water pipe 712 and is filled under the action of the third delivery pump 7121, the tap water enters the soft water tank 72 through the second tap water pipe 721 and is softened into soft water, the soft water enters the anode chamber 7411 and the cathode chamber 712 of the electrolysis chamber 74 through the first soft water pipe 722 and is filled, the electrolysis chamber 74 electrolyzes the saturated salt water to generate acidic water in the anode chamber 7411, generate alkaline water in the cathode chamber 7412, and then flow out to the acidic water tank 75 and the alkaline water tank 76 through the first water outlet and the second water outlet respectively, and the low-concentration salt water obtained after electrolysis in the intermediate chamber 7413 returns to the salt tank 71 through the salt water pipe 713 and is mixed with the returned salt to regenerate saturated salt water;

(2) A second working mode: when the user instructs to supply soft water to the washing machine, the first valve 77 and the second valve 78 are switched to the second state, the tap water enters the soft water tank 72 through the second tap water pipe 721 to be softened into soft water, and then the soft water enters the washing machine 5 through the second soft water pipe 723;

(3) The third working mode is as follows: when the user instructs to supply the acid water to the watering can 14, the third valve 79 is switched to connect the acid water pipe 751, and the acid water in the acid water tank 75 is pumped into the watering can 14 through the acid water pipe 751 by the second delivery pump 7511, so that the acid water can be used for the sterilization of the surface of the toy, the appliance and the like;

(4) A fourth operating mode: when the user instructs to supply alkaline water to the sprinkling can 14, the third valve 79 is switched to communicate the alkaline water pipe 761, and the alkaline water in the alkaline water tank 76 is pumped into the sprinkling can 14 through the alkaline water pipe 761 under the action of the second delivery pump 7511, so that the alkaline water can be used for cleaning greasy dirt on the surfaces of a table board, a range hood and the like.

It can be seen that in the present embodiment, the salt tank 71 and the water softening tank 72 are shared by the electrolyzed water generating apparatus 7 and the cleaning machine 5, so that the electrolytic chamber 74 can generate acidic and alkaline electrolyzed water without increasing the cost, and the diaphragm and the electrodes are not easily blocked by scale, thereby greatly prolonging the service life.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow from the first portion along a flow path or/and be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third member, such as a fluid channel, e.g., a pipe, a channel, a conduit, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow therethrough, or a combination thereof.

Claims (9)

1. A control method of an electrolyzed water generating device for an integrated water tank, the integrated water tank comprises a tank body (1) with a table board (11) at the top, a water tank (2) with a main body arranged below the table board (11), and a cleaning machine (5) and the electrolyzed water generating device (7) which are arranged in the tank body (1), and is characterized in that: the electrolyzed water generating device (7) comprises a salt tank (71), a soft water tank (72) and an electrolysis chamber (74), wherein the electrolysis chamber (74) is provided with an anode chamber (7411), a cathode chamber (7412) and an intermediate chamber (7413);

the control method comprises the following steps:

after the electrolyzed water generating device (7) is started, corresponding actions are carried out according to the instruction of a user:

(1) A first operating mode: when a user indicates to produce acidic water and alkaline water, tap water enters the salt tank (71) and is mixed with salt to form saturated salt water, the saturated salt water enters the intermediate chamber (7413) of the electrolysis chamber (74), the tap water enters the soft water tank (72) and is softened into soft water, the soft water enters the anode chamber (7411) and the cathode chamber (7412) of the electrolysis chamber (74), the electrolysis chamber (74) electrolyzes the water, the acidic water is generated in the anode chamber (7411), and the alkaline water is generated in the cathode chamber (7412);

(2) A second working mode: when the user instructs to supply soft water to the washing machine, the tap water enters the soft water tank (72) to be softened into soft water and enters the washing machine (5).

2. The control method according to claim 1, characterized in that: in a first mode of operation, the brine obtained from electrolysis in the intermediate compartment (7413) is returned to the salt tank (71) and mixed with the brine to regenerate a saturated brine.

3. The control method according to claim 2, characterized in that: the cleaning machine (5) is provided with a water inlet end;

the salt tank (71) is provided with a water inlet end, a water outlet end for discharging saturated salt water and a water return end for recovering the salt water, and the water inlet end of the salt tank (71) is in fluid communication with a tap water supply pipeline;

the soft water tank (72) is provided with a water inlet end for hard water to enter and a water outlet end for soft water to discharge, and the water inlet end of the soft water tank (72) is communicated with a tap water supply pipeline in a fluid mode;

the electrolysis chamber (74) is provided with a first water inlet end, a second water inlet end, a third water inlet end, a water discharging end, a first water outlet end for discharging acidic water and a second water outlet end for discharging alkaline water, the first water inlet end of the electrolysis chamber (74) is in fluid communication with the water outlet end of the salt tank (71), and the water discharging end of the electrolysis chamber (74) is in fluid communication with the water return end of the salt tank (71);

the water outlet end of the soft water tank (72) is communicated with the second water inlet end and the third water inlet end of the electrolysis chamber (74) through a first soft water pipe (722), and is communicated with the water inlet end of the cleaning machine (5) through a second soft water pipe (723);

the first soft water pipe (722) and the second soft water pipe (723) are respectively provided with a valve, so that the integrated water tank has at least two states:

in the first state, the first soft water pipe (722) is communicated, and the second soft water pipe (723) is blocked;

in the second state, the second soft water pipe (723) is communicated, and the first soft water pipe (722) is blocked;

in a first working mode, the integrated water tank is in a first state;

and in a second working mode, the integrated water tank is in a second state.

4. The control method according to claim 3, characterized in that: the first flexible water pipe (722) and the second flexible water pipe (723) share a second valve (78).

5. The control method according to claim 4, characterized in that: a fifth communication pipeline is connected between the water outlet end of the soft water tank (72) and the second valve (78), a sixth communication pipeline is connected between the second valve (78) and the second water inlet end and the third water inlet end of the electrolysis chamber (74), a seventh communication pipeline is communicated between the second valve (78) and the water inlet end of the cleaning machine (5), the fifth communication pipeline and the sixth communication pipeline form the first soft water pipe (722), and the fifth communication pipeline and the seventh communication pipeline form the second soft water pipe (723);

in the first state, the inlet of the sixth communication channel is communicated, and the inlet of the seventh communication channel is blocked;

in the second state, the inlet of the sixth communication passage is blocked, and the inlet of the seventh communication passage is communicated.

6. The control method according to claim 5, characterized in that: the electrolytic chamber (74) comprises

A case (741);

two diaphragms (742) arranged side by side are arranged in the box body (741) and divide the inner cavity of the box body (741) into the anode chamber (7411), the middle chamber (7413) and the cathode chamber (7412) which are arranged in sequence;

an anode (743) disposed in the anode chamber (7411); and

a cathode (744) disposed in the cathode chamber (7412);

the first water inlet end and the first water outlet end of the electrolysis chamber (74) are communicated with the intermediate chamber, the second water inlet end and the first water outlet end of the electrolysis chamber (74) are communicated with the anode chamber (7411), and the third water inlet end and the second water outlet end of the electrolysis chamber (74) are communicated with the cathode chamber (7412).

7. The control method according to claim 6, characterized in that: the anode (743) and the cathode (744) are electrically connected with an external power supply which is a current-limiting power supply.

8. The control method according to any one of claims 1 to 7, characterized in that: the electrolyzed water generating device (7) also comprises

An acid water tank (75) for storing acid water, having a water inlet end and a water outlet end, the water inlet end of the acid water tank (75) being in fluid communication with the first water outlet end of the electrolysis chamber (74); and

an alkaline water tank (76) for storing alkaline water having an inlet end and an outlet end, the inlet end of the alkaline water tank (76) being in fluid communication with the second outlet end of the electrolysis chamber (74).

9. The control method according to any one of claims 1 to 7, characterized in that: the salt tank (71) is communicated with the soft water tank (72) through a backflushing channel (720), and a valve for controlling the on-off of the backflushing channel (720) is arranged at the backflushing channel.

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