CN112057012A - A method for controlling multiple cleanings of a dishwasher and the dishwasher - Google Patents

Abstract

The invention belongs to the technical field of household intelligent electrical equipment, and discloses a control method for multiple cleaning of a dish-washing machine and the dish-washing machine, wherein a main control circuit box controls a plurality of water circulation outflow control valves to inject clean water into a plurality of water tanks, and a plurality of water level sensors are used for judging the height of water level; according to the gravity, the cleaning agent flows into the first water tank and the second water tank respectively through a cleaning agent inflow control valve and a second cleaning agent inflow control valve; the water pump pumps water in different water tanks through different water guide pipelines, and the water is sprayed out through the first spraying pipe and the second spraying pipe to clean tableware, filter, guide and flow into and out of the tableware; and repeating the operation and circularly cleaning. The invention provides a cleaning mode of less water and more washing and a brand new water circulation system, which can clean the tableware one by one, has better cleaning effect, can fully clean the tableware, saves water resources and improves the use experience of users.

Description

A method for controlling multiple cleanings of a dishwasher and the dishwasher

technical field

The invention belongs to the technical field of household intelligent electrical equipment, and in particular relates to a method for controlling multiple cleanings of a dishwasher and a dishwasher.

Background technique

At present, with the development of science and technology and the improvement of living standards, people's requirements for the quality of life are getting higher and higher, and many high-quality, high-performance and intelligent electrical appliances have emerged as the times require. As a household and commercial equipment, dishwashers can save time and manpower, and can greatly improve the quality of life and work efficiency.

At present, the dishwashers on the market are first washed with water with detergent and then drained, and then rinsed with clean water and then drained. This method only cleans once, and the number of cleanings is too small, and it is easy to cause the tableware to be uncleaned. and the massive waste of water resources.

Patent No. 201811325194.7 discloses a dishwasher with a water circuit circulation system, the dishwasher has the function of water circulation, and the tableware is cleaned by supplying water through a spray mechanism, and the water after cleaning the tableware will flow into the water storage tank , the water pump repeatedly supplies the water in the water storage tank into the circulation mechanism to achieve the effect of repeatedly washing the tableware. However, if there are too many oil stains or stains on the tableware to be cleaned, the water after the first cleaning will become very turbid, which will affect the use effect of the cleaning agent, and the tableware cleaning is prone to be incomplete when cleaning again.

Patent No. 201611073306.5 discloses a high-efficiency dishwasher with a water-saving function. The dishwasher also has the function of water circulation. The tableware is cleaned through the nozzle, and the water after cleaning the tableware will flow into the water storage tank after filtering. Reuse has similar problems with the patent with the patent number of 201811325194.7. If you want to clean it thoroughly, you need to add more cleaning agent, which will cause unnecessary waste.

Through the above analysis, the existing problems and defects in the prior art are:

Dishwashers in the prior art are not completely cleaned during the cleaning process.

The dishwasher of the prior art is prone to waste water resources during operation.

SUMMARY OF THE INVENTION

In view of the problems existing in the prior art, the present invention provides a method for controlling multiple cleanings of a dishwasher and a dishwasher.

The present invention is implemented in this way, a method for controlling multiple cleanings of a dishwasher, and the method for controlling multiple cleanings for a dishwasher includes:

Step 1: Control multiple water circulation outflow control valves to inject clean water into multiple water tanks through the main control circuit box, determine that the water supply equipment water supply inflow control valve valve is ON, the slide rail mark position is 1, and the slide rail moves the first spray pipe, the second The spray pipe is placed above the first tableware, and the water level is judged by multiple water level sensors;

Judging that the water supply inflow control valve of the water supply equipment is OFF, the slide rail mark position is 0, and the slide rail enters the locked state;

Step 2, according to gravity, the cleaning agent flows into the first water tank and the second water tank respectively through a cleaning agent inflow control valve and a second cleaning agent inflow control valve;

Step 3, the water pump extracts the water in different water tanks through different water guide pipes, and sprays through the first spray pipe and the second spray pipe to clean the tableware, filter, guide, flow in and out;

Step 4, repeat the operation of step 3, cycle cleaning, compare the counter value with the number of cutlery troughs, when they are equal, the slide rail mark position 1, move the first spray pipe and the second spray pipe to the top of the first cutlery trough, Then set the slide rail mark to 0, and the slide rail enters the locked state.

Further, the first step specifically includes: the dishwasher starts to work, all internal valves are closed by default, the first spray pipe and the second spray pipe are at the edge of the slide rail, and the main control device controls the opening of the water supply equipment to control the inflow of water supply. The valve, open the first water circulation outflow control valve, the second water circulation outflow control valve, the third water circulation outflow control valve, and the fourth water circulation outflow control valve, and the water supply equipment passes through the water supply pipeline to the first water tank, the second water tank, and the third water tank; The four water tanks are filled with clean water, and it is judged that the water supply inflow control valve of the water supply equipment is ON, the slide rail mark position is 1, the slide rail moves the first spray pipe and the second spray pipe to the top of the first tableware, and the first water level sensor and the second The water level sensor, the third water level sensor, and the fourth water level sensor judge the water level, the first water tank, the second water tank, and the third water tank; after the fourth water tank is full, close the first water circulation outflow control valve, the second water circulation outflow control valve, and the third water tank. Three water circulation outflow control valve, fourth water circulation outflow control valve, water supply equipment water supply inflow control valve;

It is judged that the water supply inflow control valve of the water supply equipment is OFF, the slide rail mark position is 0, and the slide rail 3 enters the locked state.

Further, the step 2 specifically includes:

The first cleaning agent inflow control valve and the second cleaning agent inflow control valve are opened. According to gravity, the cleaning agent flows into the first water tank and the second water tank. After the time is reached, the first cleaning agent inflow control valve is closed, and the second cleaning agent inflow Control valve.

Further, the opening time of the first cleaning agent inflow control valve is three seconds longer than that of the second cleaning agent inflow control valve.

Further, the step 3 specifically includes:

(1) Open the second water storage device outflow control valve and the third water circulation inflow control valve; the first water circulation outflow control valve;

The water pump extracts the water in the first water tank through the fourth water guide pipe, and then sprays it through the first spray pipe and the second spray pipe to clean the tableware. After being guided by the water deflector, it flows into the water storage tank through the third water circulation flow control valve;

(2) then through the second water storage device outflow control valve into the drainage pipeline, the sewage that was cleaned for the first time was discharged, and then the second water storage device outflow control valve and the first water circulation outflow control valve were closed;

(3) Then open the first water circulation inflow control valve, the first water storage device outflow control valve, and the second water circulation outflow control valve, and the water pump extracts the water in the second water tank through the fourth water guide pipe through the first spray pipe, The second spray pipe is sprayed out to clean the tableware again. The cleaned water is first filtered by the filter screen, and then guided by the water guide plate, and then flows into the control valve through the third water circulation and flows into the water storage tank;

(4) The outflow control valve through the first water storage device flows into the first water tank through the third water conduit for storage and backup. When the fourth water level sensor detects that the water level no longer changes, the first water circulation inflow control valve and the second water circulation inflow control valve are closed immediately. The water circulation flows out of the control valve; then the second water circulation flows into the control valve, and the third water circulation outflow control valve opens;

(5) The water pump extracts the water in the third water tank through the fourth water guide pipe, and then sprays it through the first spray pipe and the second spray pipe to wash the tableware, and flushes the residue and foam on the tableware. The rinsed water first After being filtered by the filter screen and guided by the water guide plate, it flows into the water storage tank through the third water circulation control valve, and then flows into the second water tank 12 through the second water guide pipe through the first water storage device and flows into the second water tank 12 for storage and standby;

(6) When the third water level sensor detects that the water level no longer changes, the second water circulation inflow control valve and the third water circulation outflow control valve are closed; then the third water circulation inflow control valve and the fourth water circulation outflow control valve are opened;

(7) The water pump extracts the water in the fourth water tank through the fourth water guide pipe, and then sprays it through the first spray pipe and the second spray pipe to rinse the tableware again. After the water board is guided, it flows into the water storage tank through the third water circulation flow control valve;

(8) The outflow control valve through the first water storage device flows into the third water tank 13 through the first water conduit for storage and standby. When the second water level sensor detects that the water level does not change, the third water circulation of the valve flows into the control valve and the fourth water. The water circulation outflow control valve is closed; then the water supply inflow control valve of the water supply equipment is opened, and the water supply equipment injects clean water into the fourth water tank through the water supply pipeline, and it is judged that the water supply inflow control valve of the water supply equipment is ON, the slide rail mark position is 1, and the slide rail moves the first spray The shower pipe and the second spray pipe are placed above the second tableware. The first water level sensor detects that it is filled with water and closes the water supply inflow control valve of the water supply equipment. It is judged that the water supply inflow control valve of the water supply equipment is OFF, the slide rail mark position is 0, and the slide rail Enter the lock state, the counter is incremented by 1.

Another object of the present invention is to provide a dishwasher for running the control method, the dishwasher including from top to bottom:

The washing layer is used to store the tableware to be washed;

The placement layer includes the main control circuit box, the water pump placement box, the water storage tank, and multiple water guide pipes connecting the water pump, the water storage tank, and multiple water tanks, and through the multiple water guide pipes, the water storage tank, and the multiple water tanks. Valve for water circulation operation;

The water storage layer includes a first water tank, a second water tank, and a third water tank; the fourth water tank, the first water tank and the second water tank are used for adding different amounts of cleaning agents, which are used for washing tableware, and the third water tank and the fourth water tank For adding clean water, for rinsing after cleaning.

Further, the placement layer includes a main control circuit box, a water pump placement box, a water storage tank, and multiple water conduits and multiple valves connected to the water pump, the water storage tank, and multiple water tanks, which are adjusted according to the number of application scenarios;

The plurality of water storage layers included are adjusted according to the number of application scenarios.

Another object of the present invention is to provide a main control device, characterized in that the main control device includes a main control circuit box, the main control circuit box includes a memory and a processor, the memory stores a computer program, and the When the computer program is executed by the processor, the processor is caused to execute the control method.

Another object of the present invention is to provide a computer-readable storage medium storing a computer program, which, when executed by a processor, causes the processor to execute the control method.

Another object of the present invention is to provide a dishwashing device that implements the control method in the household and public catering industry with less water and more washing.

Combined with all the above-mentioned technical solutions, the advantages and positive effects possessed by the present invention are:

The invention controls a plurality of water circulation outflow control valves to inject clean water into a plurality of water tanks through the main control circuit box, judges that the water supply equipment water supply inflow control valve valve is ON, the slide rail mark position is 1, and the slide rail moves the first spray pipe, the second spray pipe and the second spray pipe. The shower pipe is placed above the first tableware, and the water level is judged by multiple water level sensors.

The water pump of the invention extracts water in different water tanks through different water guiding pipes, and sprays through the first spray pipe and the second spray pipe to clean the tableware, filter, guide, flow in and out; repeat the operation, cycle cleaning, and set the counter value Compare with the number of cutlery troughs, if they are equal, the slide rail mark position 1, move the first spray pipe and the second spray pipe to the top of the first cutlery groove, and then set the slide rail mark position 0, the slide rail enters the locked state.

Through the above method, the present invention provides a cleaning method using less water and more washing and a brand-new water circulation system, which can clean the tableware one by one, and the cleaning effect is better, which can fully clean the tableware, save water resources, and improve user Use experience.

Description of drawings

In order to explain the technical solutions of the embodiments of the present application more clearly, the following will briefly introduce the drawings that need to be used in the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a flowchart of a method for controlling multiple cleanings of a dishwasher provided by an embodiment of the present invention.

FIG. 2 is a schematic diagram of a method for controlling multiple cleanings of a dishwasher according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of a dishwasher according to an embodiment of the present invention.

FIG. 4 is a top view of a placement layer provided by an embodiment of the present invention.

FIG. 5 is a three-dimensional cross-sectional view of a water storage layer of a dishwasher provided by an embodiment of the present invention.

FIG. 6 is a top view of a water storage layer of a dishwasher provided by an embodiment of the present invention.

In Fig. 3-Fig. 6: 1. The first spray pipe; 2. The second spray pipe; 3. The slide rail; 4. The tableware baffle; 5. The water guide plate; tank; 8, water storage tank; 9, main control circuit box; 10, drainage pipe; 11, first water tank; 12, second water tank; 13, third water tank; 14, fourth water tank; 15, first water conduit ; 16, the second water conduit; 17, the third water conduit; 18, the first cleaning agent inflow control valve; 19, the second cleaning agent inflow control valve; 20, the first water circulation inflow control valve; 21, the second Water circulation inflow control valve; 22, second water circulation inflow control valve; 23, first water storage device outflow control valve; 24, second water storage device outflow control valve; 25, third water circulation inflow control valve; 26, first water circulation Outflow control valve; 27, second water circulation outflow control valve; 28, third water circulation outflow control valve; 29, fourth water circulation outflow control valve; 30, fourth water conduit; 31, water supply pipe; 32, water supply equipment for water supply Control valve; 33, filter screen; 34, first water level sensor; 35, second water level sensor; 36, third water level sensor; 37, fourth water level sensor.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

In view of the problems existing in the prior art, the present invention provides a method for controlling multiple cleanings of a dishwasher and a dishwasher. The present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a control method for multiple cleanings of a dishwasher provided by an embodiment of the present invention, including:

S101, control multiple water circulation and outflow control valves to inject clean water into multiple water tanks through the main control circuit box, determine that the water supply inflow control valve of the water supply equipment is ON, the slide rail mark position is 1, and the slide rail moves the first spray pipe and the second spray pipe. The shower pipe is placed above the first tableware, and the water level is judged by multiple water level sensors; it is judged that the water supply inflow control valve of the water supply equipment is OFF, the slide rail mark position is 0, and the slide rail enters the locked state.

S102, according to gravity, the cleaning agent flows into the first water tank and the second water tank respectively through a cleaning agent inflow control valve and a second cleaning agent inflow control valve.

S103, the water pump draws water in different water tanks through different water guide pipes, and sprays it through the first spray pipe and the second spray pipe to clean the tableware, filter, guide, and flow in and out.

S104, repeat the operation of step S103, cycle cleaning, compare the counter value with the number of cutlery troughs, when they are equal, the slide rail mark position 1, move the first spray pipe and the second spray pipe to the top of the first cutlery trough, and then Set the slide rail mark to 0, and the slide rail enters the locked state.

FIG. 2 is a schematic diagram of a method for controlling multiple cleanings of a dishwasher according to an embodiment of the present invention.

As shown in FIG. 3-FIG. 6, the present invention divides the entire dishwasher into three layers from top to bottom, and the first layer is a cleaning layer for storing tableware to be cleaned.

The second layer is the placement layer, including the main control circuit box 9, the water pump placement box 6, the water storage tank 8, and multiple water conduits connecting the water pump, the water storage tank and multiple water tanks, etc., through the multiple water conduits and the water storage tank 8 , Multiple valves between multiple sinks to achieve water circulation operation.

The third layer is the water storage layer. Four small water tanks (the first water tank 11, the second water tank 12, the third water tank 13; the fourth water tank 14) are used to replace the traditional one water tank. The first water tank 11 and the second water tank 12 are added Different amounts of cleaning agents are used for cleaning tableware, and water is added to the third water tank 13 and the fourth water tank 14 for rinsing and cleaning after cleaning.

The present invention will be further described below with reference to the specific connection relationship (FIG. 3-FIG. 6) and the working principle.

The dishwasher of the present invention reuses the water in the cleaning process by means of less water and more washing, so that the cleaning effect is better and water resources are more saved.

After the dishwasher starts to work, all the internal valves are closed by default. The first spray pipe 1 and the second spray pipe 2 are at the edge of the slide rail. The water circulation outflow control valve 26, the second water circulation outflow control valve 27, the third water circulation outflow control valve 28, the fourth water circulation outflow control valve 29, the water supply equipment passes through the water supply pipeline 31 to the four water tanks (the first water tank 11, the second water tank 12 , the third water tank 13; the fourth water tank 14) inject clean water, judge that the valve 32 is ON, the slide rail mark position 1, the slide rail 3 moves the first spray pipe 1, the second spray pipe 2 to the top of the first tableware, The water level is judged by the first water level sensor 34, the second water level sensor 35, the third water level sensor 36, and the fourth water level sensor 37. After the water tank is full, close the first water circulation outflow control valve 26, the second water circulation outflow control valve 27, and the third water circulation outflow control valve 27. Three water circulation outflow control valve 28 , fourth water circulation outflow control valve 29 , water supply equipment water supply inflow control valve 32 .

It is judged that the water supply inflow control valve 32 of the water supply equipment is OFF, the slide rail mark position is 0, and the slide rail 3 enters the locked state.

Open the first cleaning agent inflow control valve 18 and the second cleaning agent inflow control valve 19. According to gravity, the cleaning agent will flow into the first water tank 11 and the second water tank 12, and close the first cleaning agent inflow control valve 18 after the time is reached. . The second cleaning agent flows into the control valve 19 .

The water with the cleaning agent added in the first water tank 11 is the water that the water pump draws and cleans for the first time, and there are many stains on the tableware for the first cleaning. Therefore, the opening time of the first cleaning agent inflow control valve 18 is controlled longer than that of the second cleaning agent inflow control valve. 19 more than three seconds.

To start cleaning, open the second water storage device outflow control valve 24 , the third water circulation inflow control valve 25 , and the first water circulation outflow control valve 26 .

The water pump extracts the water in the first water tank 11 through the fourth water guide pipe 30, and then sprays it through the first spray pipe 1 and the second spray pipe 2 to clean the tableware. After being guided by the water guide plate 5 with a certain inclination angle, it flows into the water storage tank 8 through the third water circulation inflow control valve 25;

Then the outflow control valve 24 of the second water storage device enters the drainage pipe 10 to discharge the first cleaned sewage, and then the outflow control valve 24 of the second water storage device and the first water circulation outflow control valve 26 are closed.

Then open the first water circulation inflow control valve 20, the first water storage device outflow control valve 23, and the second water circulation outflow control valve 27, and the water pump draws the water in the second water tank 12 through the fourth water conduit 30 and then passes through the first spray. The pipe 1 and the second spray pipe 2 are sprayed out to clean the tableware again. The cleaned water is first filtered by the filter screen 33, and then guided by the water guide plate 5, and then flows into the water storage tank 8 through the third water circulation flow control valve 25.

Then the outflow control valve 23 of the first water storage device flows into the first water tank 11 through the third water conduit 17 for storage and backup. When the fourth water level sensor 37 detects that the water level no longer changes, the first water circulation inflow control valve 20, The second water cycle flows out of the control valve 27 ; then the second water cycle inflow control valve 21 and the third water cycle outflow control valve 28 are opened.

The water pump extracts the water in the third water tank 13 through the fourth water conduit 30, and then sprays it through the first spray pipe 1 and the second spray pipe 2 to wash the tableware, and the residue and foam on the tableware are washed away. The water is first filtered by the filter screen 33, and then guided by the water guide plate 5, and then flows into the water storage tank 8 through the third water circulation control valve 25, and then flows out of the control valve 23 through the first water storage device and flows into the second water guide pipe 16. Storage in the water tank 12 for backup.

When the third water level sensor 36 detects that the water level no longer changes, the second water circulation inflow control valve 21 and the third water circulation outflow control valve 28 are closed immediately; then the third water circulation inflow control valve 22 and the fourth water circulation outflow control valve 29 are opened.

The water pump extracts the water in the fourth water tank 14 through the fourth water conduit 30 and then sprays it out through the first spray pipe 1 and the second spray pipe 2 to rinse the tableware again. After being guided by the water guide plate 5 , the water flows into the water storage tank 8 through the third water circulation flow control valve 25 .

The outflow control valve 23 through the first water storage device flows into the third water tank 13 through the first water conduit 15 for storage and backup. When the second water level sensor 35 detects that the water level does not change, the valve is immediately closed and the third water circulation flows into the control valve 22. , the fourth water circulation outflow control valve 29; then open the water supply equipment water supply inflow control valve 32, the water supply equipment injects clean water into the fourth water tank 14 through the water supply pipe 31, and judges that the water supply equipment water supply inflow control valve 32 is ON, and the slide rail mark position 1 , the slide rail 3 moves the first spray pipe 1 and the second spray pipe 2 to the top of the second tableware, the first water level sensor 34 detects that the water supply equipment is filled with water and closes the water supply inflow control valve 32 to determine the water supply equipment inflow control valve 32 The valve 32 is OFF, the slide rail mark position is 0, the slide rail 3 enters the locked state, and the counter is incremented by 1.

Repeat the above operation, start another cleaning, cycle operation, compare the counter value with the number of cutlery slots, when they are equal, the slide rail mark position 1, move the first spray pipe 1, the second spray pipe 2 to the first one Above the cutlery slot, set the slide rail mark to 0, and slide rail 3 into the locked state.

Through this washing method of less water and more washing, the tableware can be cleaned more cleanly, and the water after rinsing the tableware can be fully utilized, thereby saving cleaning agent resources and water resources.

In the description of the present invention, unless otherwise stated, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by , "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, not An indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

It should be noted that the embodiments of the present invention may be implemented by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using special purpose logic; the software portion may be stored in memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those of ordinary skill in the art will appreciate that the apparatus and methods described above may be implemented using computer-executable instructions and/or embodied in processor control code, for example on a carrier medium such as a disk, CD or DVD-ROM, such as a read-only memory Such code is provided on a programmable memory (firmware) or a data carrier such as an optical or electronic signal carrier. The device of the present invention and its modules can be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, etc., or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., It can also be implemented by software executed by various types of processors, or by a combination of the above-mentioned hardware circuits and software, such as firmware.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art is within the technical scope disclosed by the present invention, and all within the spirit and principle of the present invention Any modifications, equivalent replacements and improvements made within the scope of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A method for controlling multiple washing of a dishwasher, comprising:

step one, a main control circuit box controls a plurality of water circulation outflow control valves to inject clean water into a plurality of water tanks, the condition that a water supply inflow control valve of water supply equipment is ON is judged, a slide rail marks a position 1, the slide rail moves a first spray pipe and a second spray pipe to the position above a first tableware, and the height of a water level is judged through a plurality of water level sensors;

judging that the water supply inflow control valve of the water supply equipment is OFF, marking the position of the slide rail as 0, and enabling the slide rail to enter a locking state;

secondly, according to the gravity, the cleaning agent flows into the first water tank and the second water tank respectively through a cleaning agent inflow control valve and a second cleaning agent inflow control valve;

thirdly, the water pump extracts water in different water tanks through different water guide pipelines, and the water is sprayed out through the first spraying pipe and the second spraying pipe to clean tableware, filter, guide and flow into and out of the tableware;

and step four, repeating the operation of the step three, circularly cleaning, comparing the counter value with the number of the tableware grooves, when the counter value is equal to the number of the tableware grooves, marking the position 1 by the sliding rail, moving the first spray pipe and the second spray pipe to the position above the first tableware groove, marking the position 0 by the sliding rail, and enabling the sliding rail to enter a locking state.

2. The method for controlling multiple times of washing of a dishwasher according to claim 1, wherein the first step specifically comprises: the dishwasher starts to work, all valves inside the dishwasher are in default closing states, the first spray pipe and the second spray pipe are positioned at the edge positions of the sliding rails, the main control equipment controls the opening of a water supply inflow control valve of the water supply equipment, the opening of a first water circulation outflow control valve, a second water circulation outflow control valve, a third water circulation outflow control valve and a fourth water circulation outflow control valve, and the water supply equipment supplies water to the first water tank, the second water tank and the third water tank through water supply pipelines; the fourth water tank is filled with clean water, the condition that a water supply inflow control valve of water supply equipment is ON is judged, the position of the sliding rail is marked as 1, the sliding rail moves the first spraying pipe and the second spraying pipe to the position above the first tableware, and the height of the water level, the first water tank, the second water tank and the third water tank are judged through the first water level sensor, the second water level sensor, the third water level sensor and the fourth water level sensor; after the fourth water tank is filled with water, closing the first water circulation outflow control valve, the second water circulation outflow control valve, the third water circulation outflow control valve, the fourth water circulation outflow control valve and the water supply inflow control valve of the water supply equipment;

and judging that the water supply inflow control valve of the water supply equipment is OFF, marking the position 0 of the slide rail, and enabling the slide rail 3 to enter a locking state.

3. The method for controlling multiple times of washing of a dishwasher according to claim 1, wherein the second step specifically comprises:

the first cleaning agent inflow control valve and the second cleaning agent inflow control valve are opened, the cleaning agents flow into the first water tank and the second water tank according to gravity, and the first cleaning agent inflow control valve and the second cleaning agent inflow control valve are closed after the timing time is reached.

4. The method for controlling a plurality of times of washing in a dishwasher according to claim 3, wherein the first washing agent inflow control valve is opened for more than three seconds than the second washing agent inflow control valve.

5. The method for controlling multiple times of washing of a dishwasher according to claim 3, wherein the third step specifically comprises:

(1) opening a second water storage device outflow control valve and a third water circulation inflow control valve; a first water circulation outflow control valve;

the water pump extracts water in the first water tank through the fourth water guide pipeline, then the water is sprayed out through the first spray pipe and the second spray pipe to clean tableware, and the cleaned water is filtered by the filter screen, guided by the water guide plate with a certain inclination angle and then flows into the water storage tank through the third water circulation inflow control valve;

(2) then the sewage enters a drainage pipeline through a second water storage device outflow control valve, the sewage cleaned for the first time is discharged, and the second water storage device outflow control valve and the first water circulation outflow control valve are closed immediately;

(3) then a first water circulation inflow control valve, a first water storage device outflow control valve and a second water circulation outflow control valve are opened, the water pump extracts water in a second water tank through a fourth water guide pipeline and then sprays the water through a first spray pipe and a second spray pipe to clean tableware again, the cleaned water is filtered by a filter screen, guided by a water guide plate and then flows into the water storage tank through a third water circulation inflow control valve;

(4) then the first water storage device outflow control valve flows into the first water tank through the third water guide pipeline for storage and standby, and when the fourth water level sensor detects that the water level is not changed any more, the first water circulation inflow control valve and the second water circulation outflow control valve are closed immediately; then the second water circulation inflow control valve and the third water circulation outflow control valve are opened;

(5) the water pump extracts water in the third water tank through the fourth water guide pipeline, then the water is sprayed out through the first spray pipe and the second spray pipe to wash the tableware, residues and foams on the tableware are washed away, the washed water is firstly filtered by the filter screen, then guided by the water guide plate, flows into the water storage tank through the third water circulation inflow control valve, and then flows into the second water tank 12 through the second water guide pipeline through the first water storage device outflow control valve to be stored for later use;

(6) when the third water level sensor detects that the water level is not changed any more, the second water circulation inflow control valve and the third water circulation outflow control valve are closed; then a third water circulation inflow control valve and a fourth water circulation outflow control valve are opened;

(7) the water pump extracts water in the fourth water tank through the fourth water guide pipeline, then the water is sprayed out through the first spraying pipe and the second spraying pipe to wash the tableware again, the washed water is firstly filtered by the filter screen and then guided by the water guide plate, and then flows into the water storage tank through the third water circulation inflow control valve;

(8) then the water flows into a third water tank 13 through a first water guide pipeline by a first water storage device outflow control valve for storage and standby, and when the second water level sensor detects that the water level is not changed any more, a third water circulation inflow control valve of the valve and a fourth water circulation outflow control valve of the valve are closed; and then opening a water supply inflow control valve of the water supply equipment, filling clear water into a fourth water tank by the water supply equipment through a water supply pipeline, judging that the water supply inflow control valve of the water supply equipment is ON, marking the position at 1 by a sliding rail, moving a first spraying pipe and a second spraying pipe to the position above a second tableware by the sliding rail, closing the water supply inflow control valve of the water supply equipment after detecting the full water filling by a first water level sensor, judging that the water supply inflow control valve of the water supply equipment is OFF, marking the position at 0 by the sliding rail, enabling the sliding rail to enter a locking state, and adding 1.

6. A dishwasher operating the control method according to claims 1 to 5, characterized in that the dishwasher comprises, from top to bottom:

the cleaning layer is used for storing tableware to be cleaned;

the water circulation system comprises a placement layer, a water circulation layer and a water circulation layer, wherein the placement layer comprises a main control circuit box, a water pump placement box, a water storage tank and a plurality of water guide pipelines connected with the water pump, the water storage tank and a plurality of water tanks, and water circulation operation is carried out through a plurality of valves among the water guide pipelines, the water storage tank and the plurality of water tanks;

the water storage layer comprises a first water tank, a second water tank and a third water tank; and the third water tank and the fourth water tank are used for adding clean water for washing and cleaning after cleaning.

7. The dishwasher according to claim 6, wherein the placement layer comprises a main control circuit box, a water pump placement box, a water storage box, and a plurality of water guide pipelines and valves which are connected with the water pump, the water storage box and the plurality of water tanks, and the plurality of valves are adjusted according to the number of application scenes;

the number of the water storage layer is adjusted according to the number of the application scenes.

8. A master device, comprising a master circuit box including a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the control method of claims 1-5.

9. A computer-readable storage medium, storing a computer program which, when executed by a processor, causes the processor to execute the control method according to claims 1-5.

10. A dish washing device adopting a low-water and high-washing mode in the household and public catering industry for executing the control method of claims 1-5.

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