CN108670153B

CN108670153B - Pulse type washing method for dish washing machine and dish washing machine using pulse type washing method

Info

Publication number: CN108670153B
Application number: CN201810548776.5A
Authority: CN
Inventors: 陈小平
Original assignee: Foshan Viomi Electrical Technology Co Ltd
Current assignee: Foshan Viomi Electrical Technology Co Ltd
Priority date: 2018-05-31
Filing date: 2018-05-31
Publication date: 2020-03-13
Anticipated expiration: 2038-05-31
Also published as: CN108670153A

Abstract

The invention discloses a pulse type washing method for a dish washing machine and the dish washing machine using the same, wherein the method comprises the following steps that firstly, after a self water injection program is finished, a washing pump is closed until a preset transition time is reached, and a spray arm group stores water; step two, the washing pump is restarted to enter a pre-washing program; step three, in a pre-washing program, the washing pump is operated until the preset pre-washing time is reached and then is closed, and the spray arm group stores water; and step four, when the preset water storage time is reached, the washing pump is restarted for pre-washing. And step three and step four are continuously and circularly executed, so that the washing pump is controlled to operate in a pulse mode, the spray arm group stores water when the washing pump is closed, when the washing pump is restarted, the spray arm group utilizes the larger flushing pressure after the water storage to flush dishes, pollutants can be flushed down in a short time, the pollutants on the dishes are effectively flushed completely, and the pre-washing water consumption can be further reduced.

Description

Pulse type washing method for dish washing machine and dish washing machine using pulse type washing method

Technical Field

The invention relates to the field of dish-washing machines, in particular to a pulse type washing method for a dish-washing machine and the dish-washing machine using the pulse type washing method.

Background

A dishwasher is a device for washing garbage such as food residue attached to tableware, cookware, or the like using detergent and washing water. The water used in each washing cycle of the dish-washing machine is circulating water, and a water cup used for storing water and placing a filter screen is generally arranged at the bottom of an inner container of the dish-washing machine. In the washing process, circulating water in the water cup is pressed into the pipeline through the washing pump suction pump and then enters the spraying arm to wash the tableware, and the circulating water flows into the bottom from the tableware and the inner wall of the inner container and then enters the water cup.

After the existing dish washer starts to operate for a period of time, the filter screen has more pollutants attached to block the filter holes, so that the water quantity in the spray arm is reduced, the water pressure is reduced, the spray arm rotates more and more slowly, and even the condition that the spray arm stops rotating does not occur.

Disclosure of Invention

The invention aims to provide an impulse type washing method for a dish washing machine and the dish washing machine using the same, which can control the operation of a washing pump in an impulse type manner, increase the water storage capacity of a spray arm, increase the flushing pressure of the spray arm, avoid pollutants from blocking a filter hole, reduce water consumption, use the least water and achieve the optimal washing effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

a pulse type washing method for a dish washing machine is provided with an inner container for containing articles to be cleaned, a water cup for storing water and placing a filter screen group is arranged at the bottom of the inner container, the water cup is communicated with a spray arm group through a washing pump, circulating water in the water cup enters the spray arm group after being pressed into a pipeline through the washing pump, the dish washing machine is provided with a self-water injection program, a pre-washing program and a main washing program, and the method comprises the following steps:

step one, after a self-water injection program is finished, closing a washing pump until a preset transition time is reached, and storing water by a spray arm group;

step two, the washing pump is restarted to enter a pre-washing program;

step three, in a pre-washing program, the washing pump is operated until the preset pre-washing time is reached and then is closed, and the spray arm group stores water;

fourthly, after the preset water storage time is reached, starting the washing pump again for pre-washing;

and step five, continuously and circularly executing the step three and the step four until the circulation times reach the preset pre-washing times, ending the pre-washing program, and entering the main washing program.

Preferably, in the step one, the transition time is 1-2 min, namely after the self-water injection procedure is finished, the washing pump is closed for 1-2 min;

in the third step, the pre-washing time is 2-5 min, namely in the pre-washing procedure, the washing pump is closed after running for 2-5 min;

in the fourth step, the water storage time is 1-2 min, namely the washing pump is turned off for 1-2 min and then turned on again;

and in the fifth step, the number of times of pre-washing is 5-20, namely, the third step and the fourth step are continuously and circularly executed until the number of times of circulation reaches 5-20, and then the pre-washing program is finished.

Preferably, the self-water-injection procedure is as follows:

firstly, injecting 2-3L of water into the inner container; then, the water is heated and washed, and the self-water-injection process is finished after the washing is continuously carried out for 10-20 min.

Preferably, the dishwasher using the pulse washing method is provided with an inner container for accommodating articles to be cleaned, a water cup for storing water and placing a filter screen group is arranged at the bottom of the inner container, the water cup is communicated with a spray arm group through a washing pump, circulating water in the water cup enters the spray arm group after being pressed into a pipeline through the washing pump, the dishwasher is provided with a plurality of cleaning programs, the cleaning programs comprise a self-water injection program, a pre-washing program and a main washing program, and the pre-washing program comprises:

the transition module is used for closing the washing pump until the preset transition time is reached after the self-water injection program is finished, and storing water by the spray arm group;

the awakening module is used for restarting the washing pump and entering a pre-washing program;

the washing module is used for closing the washing pump after the washing pump runs until the preset pre-washing time is reached, and the spray arm group stores water;

the water storage module is used for restarting the washing pump to perform pre-washing after the preset water storage time is reached;

and the control module is used for continuously and circularly executing the washing module and the water storage module, finishing the pre-washing program until the circulation times reach the preset pre-washing times, and entering the main washing program.

Preferably, in the transition module, the transition time is 1-2 min, namely after the self-water injection procedure is finished, the washing pump is closed for 1-2 min;

in the washing module, the pre-washing time is 2-5 min, namely in the pre-washing program, the washing pump is closed after running for 2-5 min;

in the water storage module, the water storage time is 1-2 min, namely the washing pump is turned on again after being turned off for 1-2 min;

in the control module, the pre-washing times are 5-20, namely the washing module and the water storage module are continuously and circularly executed until the circulation times reach 5-20, and then the pre-washing program is finished.

Preferably, the self-water-injection procedure is as follows: firstly, injecting 2-3L of water into the inner container; then, the water is heated and washed, and the self-water-injection process is finished after the washing is continuously carried out for 10-20 min.

Preferably, the spray arm group comprises an upper spray arm and a lower spray arm, the upper spray arm is arranged at the top of the inner container, and the lower spray arm is arranged at the bottom of the inner container;

the dishwasher also comprises a water distribution three-way pipe, wherein the water inlet of the washing pump is communicated with the water cup, the water outlet of the washing pump is communicated with the water inlet of the water distribution three-way pipe, the first water outlet of the water distribution three-way pipe is communicated with the upper spray arm, and the second water outlet of the water distribution three-way pipe is communicated with the lower spray arm.

Preferably, the filter screen set comprises a plane filter screen and a cylindrical filter screen, the plane filter screen and the cylindrical filter screen are both arranged at the top of the water cup to completely cover a water inlet at the top of the water cup, the cylindrical filter screen is arranged on a central axis of the water cup, and the plane filter screen surrounds the cylindrical filter screen.

Preferably, the water cup further comprises a drainage pipe group and a drainage pump, wherein a water inlet of the drainage pump is communicated with a water outlet of the water cup, and a water outlet of the drainage pump is communicated with the drainage pipe group.

Preferably, the anti-siphon device further comprises an anti-siphon member, the drainage pipe group comprises a first drainage pipe and a second drainage pipe, a water inlet of the first drainage pipe is communicated with a water outlet of the drainage pump, a water outlet of the first drainage pipe is communicated with a water inlet of the anti-siphon member, and a water outlet of the anti-siphon member is communicated with a water inlet of the second drainage pipe.

According to the pulse type washing method for the dish washing machine, after the water injection program is finished, the washing pump is closed until the preset transition time is reached, and the water storage capacity of the spraying arm group is increased, so that the flushing pressure of the spraying arm group is increased, and the situation that pollutants block the filter holes is avoided. In the prewashing procedure, constantly circulate and carry out step three and step four to the pulse type ground control washing pump operation, spray arm group carries out the retaining when the washing pump closes, and when the washing pump was opened again, spray arm group utilized the great washing pressure after the retaining to wash bowl dish, can wash the pollutant in the short time, effectively washed the pollutant on the bowl dish clean, and can make the prewashing water consumption further reduce. Most pollutants can be washed clean in the pre-washing procedure, and a good foundation is laid for the washing effect of the subsequent main washing procedure.

Drawings

The drawings are further illustrative of the invention and the content of the drawings does not constitute any limitation of the invention.

FIG. 1 is a schematic view of the overall structure of a dishwasher according to an embodiment of the present invention;

FIG. 2 is a flow chart of a pre-wash method according to one embodiment of the present invention;

FIG. 3 is a bottom view of the dishwasher in accordance with one embodiment of the present invention;

FIG. 4 is a cross-sectional view of a dishwasher in accordance with one embodiment of the present invention.

Wherein: an inner container 1; a water cup 2; a washing pump 3; a spray arm group 4; a filter screen set 5; a planar screen 51; a cylindrical screen 52; an upper spray arm 41; a lower spray arm 42; a water diversion three-way pipe 6; a drain pipe group 7; a drain pump 8; a first drain pipe 71; a second drain pipe 72; an anti-siphon 9.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The pulse type washing method for the dish washing machine is characterized in that as shown in fig. 1, the dish washing machine is provided with an inner container 1 for containing articles to be cleaned, a water cup 2 for storing water and placing a filter screen group 5 is arranged at the bottom of the inner container 1, the water cup 2 is communicated with a spray arm group 4 through a washing pump 3, circulating water in the water cup 2 is pressed into a pipeline through the washing pump 3 and then enters the spray arm group 4, the dish washing machine is provided with a self-water injection program, a pre-washing program and a main washing program, and as shown in fig. 2, the pulse type washing method for the dish washing machine comprises the following:

step one, after the self-water injection program is finished, closing the washing pump 3 until a preset transition time is reached, and storing water by the spray arm group 4;

step two, the washing pump 3 is restarted to enter a pre-washing program;

step three, in a pre-washing program, the washing pump 3 is operated until the preset pre-washing time is reached and then is closed, and the spray arm group 4 stores water;

step four, after the preset water storage time is reached, the washing pump 3 is restarted for pre-washing;

After the water injection program is finished, the filter screen group 5 is attached with more pollutants to block the filter holes, so that the water quantity in the spray arm group 4 is reduced, the water pressure is reduced, the spray arm group 4 rotates more and more slowly, and even the condition of stopping and not rotating occurs, therefore, the pulse type washing method for the dish washing machine closes the washing pump 3 until the preset transition time is reached after the water injection program is finished, increases the water storage capacity of the spray arm group 4, increases the flushing pressure of the spray arm group 4 and avoids the pollutants from blocking the filter holes.

In the prewashing procedure, constantly circulate and carry out step three and step four to the pulsed ground controls washing pump 3 operation, and spray arm group 4 impounds when washing pump 3 closes, and when washing pump 3 reopened, spray arm group 4 utilized the great washing pressure after the retaining to wash the bowl dish, can wash the pollutant in the short time, effectively washed the pollutant on the bowl dish clean, and can make the prewashing water consumption further reduce. Most pollutants can be washed clean in the pre-washing procedure, and a good foundation is laid for the washing effect of the subsequent main washing procedure.

Preferably, in the step one, the transition time is 1-2 min, namely after the self-water injection procedure is finished, the washing pump 3 is turned off for 1-2 min;

in the third step, the pre-washing time is 2-5 min, namely in the pre-washing procedure, the washing pump 3 is closed after running for 2-5 min;

in the fourth step, the water storage time is 1-2 min, namely the washing pump 3 is turned off for 1-2 min and then turned on again;

Therefore, the washing pump 3 operates for 2-5 min after being closed for 1-2 min in circulation, the operation of the washing pump 3 is controlled in a pulse mode, water consumption is reduced, the minimum amount of water can be used, and the optimal washing effect is achieved. After circulating for 5-20 times, most pollutants can be washed clean in a pre-washing procedure.

Preferably, the self-water-injection procedure is as follows:

firstly, 2-3L of water is injected into the liner 1; then, the water is heated and washed, and the self-water-injection process is finished after the washing is continuously carried out for 10-20 min. The self-water-injection program provides circulating water for the pre-washing program, heats the water body, plays a role in sterilization, washes the dishes and preliminarily washes the pollutants on the dishes.

Preferably, a dishwasher using a pulse type washing method, as shown in fig. 1, is provided with an inner container 1 for accommodating articles to be cleaned, a water cup 2 for storing water and placing a filter screen set 5 is arranged at the bottom of the inner container 1, the water cup 2 is communicated with a spray arm set 4 through a washing pump 3, circulating water in the water cup 2 is pressed into a pipeline through the washing pump 3 and then enters the spray arm set 4, the dishwasher is provided with a plurality of washing programs, the washing programs include a self-water-injection program, a pre-washing program and a main washing program, and the pre-washing program includes:

the transition module is used for closing the washing pump 3 until the preset transition time is reached after the self-water injection program is finished, and storing water by the spray arm group 4;

the awakening module is used for restarting the washing pump 3 and entering a pre-washing program;

the washing module is used for closing the washing pump 3 after the washing pump operates until the preset pre-washing time is reached, and the spray arm group 4 stores water;

the water storage module is used for restarting the washing pump 3 for pre-washing after the preset water storage time is reached;

After the water injection program is finished, the filter screen group 5 is attached with more pollutants to block the filter holes, so that the water quantity in the spray arm group 4 is reduced, the water pressure is reduced, the spray arm group 4 rotates more and more slowly, and even the condition of stopping and not rotating occurs, therefore, the dishwasher using the pulse type washing method closes the washing pump 3 until reaching the preset transition time after the water injection program is finished, increases the water storage capacity of the spray arm group 4, increases the flushing pressure of the spray arm group 4 and avoids the pollutants from blocking the filter holes.

In the washing procedure in advance, constantly circulate and carry out washing module and retaining module to the pulsed ground controls the operation of washing pump 3, and spray arm group 4 impounds when washing pump 3 closes, and when washing pump 3 reopened, spray arm group 4 utilized the great washing pressure after the retaining to wash bowl dish, can wash the pollutant in the short time, effectively washes the pollutant on the bowl dish clean, and can make the washing water consumption in advance further reduce. Most pollutants can be washed clean in the pre-washing procedure, and a good foundation is laid for the washing effect of the subsequent main washing procedure.

Preferably, in the transition module, the transition time is 1-2 min, namely after the self-water injection program is finished, the washing pump 3 is turned off for 1-2 min;

in the washing module, the pre-washing time is 2-5 min, namely in the pre-washing program, the washing pump 3 is closed after running for 2-5 min;

in the water storage module, the water storage time is 1-2 min, namely the washing pump 3 is turned on again after being turned off for 1-2 min;

Preferably, the self-water-injection procedure is as follows: firstly, 2-3L of water is injected into the liner 1; then, the water is heated and washed, and the self-water-injection process is finished after the washing is continuously carried out for 10-20 min. The self-water-injection program provides circulating water for the pre-washing program, heats the water body, plays a role in sterilization, washes the dishes and preliminarily washes the pollutants on the dishes.

Preferably, as shown in fig. 1 and 4, the spray arm group 4 includes an upper spray arm 41 and a lower spray arm 42, the upper spray arm 41 is disposed at the top of the inner container 1, and the lower spray arm 42 is disposed at the bottom of the inner container 1;

as shown in fig. 3, the dishwasher further comprises a water-dividing three-way pipe 6, wherein a water inlet of the washing pump 3 is communicated with the water cup 2, a water outlet of the washing pump 3 is communicated with a water inlet of the water-dividing three-way pipe 6, a first water outlet of the water-dividing three-way pipe 6 is communicated with the upper spray arm 41, and a second water outlet of the water-dividing three-way pipe 6 is communicated with the lower spray arm 42.

The spray arm group 4 consists of an upper spray arm 41 and a lower spray arm 42, and is respectively used for washing dishes placed in the middle of the inner container 1 from the top and the bottom of the inner container 1, so that the washing range is more comprehensive, and the washing effect is improved. During operation, the circulating water filtered in the water cup 2 enters the washing pump 3 from the water cup 2, the circulating water enters the water inlet of the water dividing three-way pipe 6 through the water outlet of the washing pump 3, a part of the circulating water enters the upper spray arm 41 from the first water outlet of the water dividing three-way pipe 6, and the other part of the circulating water enters the lower spray arm 42 from the second water outlet of the water dividing three-way pipe 6, so that the circulating water is divided, and the water is sprayed to the upper spray arm 41 and the lower spray arm 42 simultaneously.

Preferably, as shown in fig. 1 and 4, the filter screen set 5 comprises a plane filter screen 51 and a cylindrical filter screen 52, the plane filter screen 51 and the cylindrical filter screen 52 are both arranged on the top of the water cup 2 to completely cover the top water inlet of the water cup 2, the cylindrical filter screen 52 is arranged on the central axis of the water cup 2, and the plane filter screen 51 is arranged around the cylindrical filter screen 52. The water in the inner container 1 enters the water cup 2 through a fine filter screen on the plane filter screen 51 or the column filter screen 52.

Preferably, as shown in fig. 3, the water cup further comprises a drain pipe group 7 and a drain pump 8, wherein the water inlet of the drain pump 8 is communicated with the water outlet of the water cup 2, and the water outlet of the drain pump 8 is communicated with the drain pipe group 7. The cylindrical filter screen 52 is matched with the bottom surface of the water cup 2, circulating water directly enters the water cup 2 from the bottom end of the cylindrical filter screen 52 during water drainage, and the circulating water is not filtered; the water discharge pump 8 pumps the circulating water of the water cup 2 into the water discharge pipe group 7. During washing, the circulating water enters the water cup 2 through the fine filter screen on the plane filter screen 51 or the cylindrical filter screen 52, and the circulating water needs to be filtered.

Preferably, as shown in fig. 3, the anti-siphon device 9 is further included, the drain pipe group 7 includes a first drain pipe 71 and a second drain pipe 72, a water inlet of the first drain pipe 71 is communicated with a water outlet of the drain pump 8, a water outlet of the first drain pipe 71 is communicated with a water inlet of the anti-siphon device 9, and a water outlet of the anti-siphon device 9 is communicated with a water inlet of the second drain pipe 72. In draining, the drain pump 8 pumps the circulating water of the water cup 2 into the first drain pipe 71 and then out of the dishwasher through the anti-siphon 9 from the second drain pipe 72. The anti-siphon member 9 is provided between the first drain pipe 71 and the second drain pipe 72, so that the circulating water is not continuously discharged to the outside even if the water discharge is suddenly stopped in the intermittent water discharge process.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. The pulse type washing method for the dish washing machine is characterized by comprising the following steps of:

step two, the washing pump is restarted to enter a pre-washing program;

step five, continuously and circularly executing the step three and the step four until the circulation times reach the preset pre-washing times, ending the pre-washing program, and entering the main washing program;

in the first step, the transition time is 1-2 min, namely, after the self-water injection procedure is finished, the washing pump is closed for 1-2 min;

in the fifth step, the number of times of pre-washing is 5-20, namely, the third step and the fourth step are continuously and circularly executed until the number of times of circulation reaches 5-20, and then the pre-washing program is finished;

the self-water-injection procedure comprises the following steps:

2. A dish washer using an impulse type washing method is provided with an inner container used for containing articles to be cleaned, a water cup used for storing water and placing a filter screen group is arranged at the bottom of the inner container, the water cup is communicated with a spray arm group through a washing pump, circulating water in the water cup enters the spray arm group after being pressed into a pipeline through the washing pump, and the dish washer is characterized in that: the dishwasher is provided with a plurality of washing programs, the washing programs include a self-water injection program, a pre-washing program and a main washing program, the pre-washing program includes:

the control module is used for continuously and circularly executing the washing module and the water storage module, ending the pre-washing program after the circulation times reach the preset pre-washing times, and entering the main washing program;

in the transition module, the transition time is 1-2 min, namely after the self-water injection procedure is finished, the washing pump is closed for 1-2 min;

in the control module, the pre-washing times are 5-20, namely the washing module and the water storage module are continuously and circularly executed until the circulation times reach 5-20, and then the pre-washing program is finished;

the filter screen group comprises a plane filter screen and a cylindrical filter screen, the plane filter screen and the cylindrical filter screen are both arranged at the top of the water cup to completely cover a water inlet at the top of the water cup, the cylindrical filter screen is arranged on a central axis of the water cup, and the plane filter screen is arranged around the cylindrical filter screen;

the water cup is characterized by also comprising a drainage pipe group and a drainage pump, wherein the water inlet of the drainage pump is communicated with the water outlet of the water cup, and the water outlet of the drainage pump is communicated with the drainage pipe group;

the cylindrical filter screen is matched with the bottom surface of the water cup, circulating water directly enters the water cup from the bottom end of the cylindrical filter screen during water drainage, and the circulating water is not filtered; the water discharge pump pumps the circulating water of the water cup into the water discharge pipe group; during washing, circulating water enters the water cup through a fine filter screen on a plane filter screen or a cylindrical filter screen, and the circulating water needs to be filtered.

3. The dishwasher using a pulse type washing method according to claim 2, wherein the self-water injection procedure is: firstly, injecting 2-3L of water into the inner container; then, the water is heated and washed, and the self-water-injection process is finished after the washing is continuously carried out for 10-20 min.

4. A dishwasher using a pulse type washing method according to claim 2, characterized in that:

the spraying arm group comprises an upper spraying arm and a lower spraying arm, the upper spraying arm is arranged at the top of the inner container, and the lower spraying arm is arranged at the bottom of the inner container;

5. A dishwasher using a pulse type washing method according to claim 2, characterized in that: still include anti-siphon spare, the drain pipe group includes first drain pipe and second drain pipe, the water inlet of first drain pipe and the delivery port intercommunication of drain pump, the delivery port of first drain pipe and the water inlet intercommunication of anti-siphon spare, the delivery port of anti-siphon spare and the water inlet intercommunication of second drain pipe.