KR20120023911A - Control method of dish washer - Google Patents

Abstract

PURPOSE: A control method of a dishwasher is provided to reduce energy waste caused by a usage of a sump heater because a rinsing step is processed while the sump heater is not operated. CONSTITUTION: A control method of a dishwasher is as follows. Dishware is washed by jetting washing water of a sump(70). The sump comprises a sump heater for heating the washing water. The washed dishware is rinsed by the washing water stored in the sump(81). The rinsed dishware is rinsed by the washing water heated by the sump(82). The rinsed dishware is additionally rinsed by the washing water of the sump(83).

Description

Control method of dish washer {Control method of dish washer}

The present invention relates to a control method of a dishwasher.

The dishwasher is one of kitchen appliances for washing dishes by spraying high-pressure washing water through the washing nozzle to wash food and dirt remaining in the dishes.

The dishwasher includes a washing tank providing a space for washing dishes, a sump provided below the washing tank to supply washing water to the washing tank while the washing water is stored, and a washing nozzle provided in the washing tank to spray high-pressure washing water. Has a configuration to include.

In addition, the washing water supplied from the outside is supplied to the sump, and is moved to the washing nozzle from the sump and sprayed into the inner space of the washing tank providing the washing space of the dish at high pressure.

The dishes placed in the inner space of the washing tank are washed by the washing water sprayed into the inner space of the washing tank, and the washing water used to wash the dishes is recovered to the sump, and the recovered washing water is located inside the sump. The foreign matter is filtered out and then fed back into the cleaning nozzle.

As such, the washing water supplied from the outside flows from the inner space of the washing tank to the washing nozzle and the sump until the washing of the dishes is completed, and drained to the outside of the dishwasher together with the foreign matter filtered by the filter device. The operation necessary for washing dishes is completed.

In addition, when an operation required for washing dishes is completed, a drying process for drying the washed dishes may further proceed.

An object of the present invention is to propose a control method of a dish washing machine in which a step for rinsing dishes is further performed in a state where the sump heater is stopped before the rinsing stroke for rinsing the dishes is finished and before the washing water is drained.

A control method of a dish washing machine according to an embodiment of the present invention includes a washing step of washing dishes by spraying the washing water stored in the sump having a sump heater for heating the washing water to be stored; A first rinsing step of rinsing the dishes washed by the washing step with the washing water stored in the sump; A second rinsing step of rinsing the rinsed and washed dishes with the washing water heated in the sump by advancing the first rinsing step; And a third rinsing step of rinsing the dishes rinsed and washed with the washing water stored in the sump by the progress of the second rinsing step. It proceeds including.

In addition, the control method of the dish washing machine according to another embodiment of the present invention, the sump having a washing tank for providing a space for washing the dishes, and a sump heater which is located under the washing tank for heating the washing water for washing the dishes Is installed, the dishwasher having a washing stroke for washing dishes using the washing water stored in the sump, and a rinsing stroke for rinsing the dishes that have been washed using the washing water stored in the sump, wherein the rinsing stroke Before the draining of the used washing water proceeds by the end of the step, the step of rinsing the dishes using the washing water in the state where the sump heater is stopped is performed, and then the draining of the used washing water is controlled.

According to the control method of the dish washing machine according to an embodiment of the present invention, the rinsing step is further performed in a state in which the sump heater is stopped before draining the used washing water after the rinsing stroke for rinsing the dishes is finished.

As such, the rinsing of the dishes further proceeds by the additionally performed rinsing step, so that the effect of enabling the rinsing of the clean dishes can be expected.

In addition, as the rinsing of the clean dishes becomes possible, the effect of improving the satisfaction of the user using the dishwasher can be expected, and the effect of resolving the emotional dissatisfaction of the user can be expected.

In addition, in the additional rinsing step, the rinsing is performed in a state in which the sump heater installed in the sump does not operate, so that an effect of reducing energy waste due to the use of the sump heater can be expected.

As the rinsing step is further performed while the sump heater is stopped, the cooling time of the sump heater can be expected. As the cooling time of the sump heater is secured, an effect of preventing damage to the sump heater can be expected, and an effect of extending the life of the sump heater can be expected.

In addition, it is possible to reduce the waste of energy, and due to the damage prevention and life extension of the sump heater, it is possible to expect the effect of reducing the use cost according to the use of the dishwasher.

1 is a perspective view of a dish washer according to an embodiment of the present invention.
Figure 2 is a perspective view showing an open state of the door of the dishwasher according to the embodiment of the present invention.
3 is a schematic cross-sectional view of the dishwasher according to the embodiment of the present invention.
Figure 4 is a bottom view showing a sump configuration of a dish washer according to an embodiment of the present invention.
5 is a cross-sectional view showing a sump structure of a dish washing machine according to an embodiment of the present invention;
6 is a partial cutaway perspective view showing a sump structure of a dish washing machine according to an embodiment of the present invention.
Figure 7 is a graph showing the time and temperature changes according to the stroke of the dishwasher according to an embodiment of the present invention.
8 is a flow chart according to the control method of the dish washing machine according to an embodiment of the present invention.
9 is a flow chart according to the control method of the dishwasher according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings it will be described an embodiment of the control method of the dish washing machine according to the present invention.

However, the spirit of the present invention is not limited to the implementation state by the embodiments described below, and those skilled in the art to understand the spirit of the present invention using other embodiments falling within the scope of the same technical spirit It may be easily proposed, but this will also be included in the technical idea of the present invention.

For the convenience of explanation, hereinafter, the control method of the dish washing machine will be described. However, the present invention is not limited thereto, and the present invention can be applied to all of the control methods of the dish washing machine for realizing the spirit of the present invention. do.

In addition, terms used in the present specification or claims are concepts selected for convenience of description and should be properly interpreted as meanings corresponding to the technical idea of the present invention in grasping the technical contents of the present invention.

1 is a perspective view showing the outer appearance of the dishwasher according to an embodiment of the present invention, Figure 2 is a perspective view showing an open state of the door of the dishwasher according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention Is a schematic cross-sectional view of the dishwasher according to the.

Referring to these drawings, the dishwasher according to the embodiment of the present invention is formed by the main body 1 is formed in the form of a rectangular parallelepiped having a predetermined internal space.

The front of the main body 1 is provided with a door 2 for selectively opening and closing the front of the washing tank 10 located in the inner space of the main body (1). The door 2 is formed in the shape of a square plate having a predetermined thickness, and the lower end is coupled to the main body 1 by a hinge and is installed to be rotatable with the lower end as the rotation center.

The front door 2 may be provided with a door handle 21 that can be gripped when the user wants to rotate the door (2).

The control panel 3 is provided on the front upper end of the door 2 so that the user can check the operation state of the main body 1 from the outside, and the user can control the overall operation of the main body 1. do.

The control panel 3 is provided with a power switch 31 for the user to turn on / off the power of the main body 1, the operation unit 32 and the operation unit for operating the main body 1 by the user's operation A display unit 33 or the like for displaying the state of the main body 1 operated by the operation of 32 can be provided.

The control panel 3 may be configured to be located at the upper end of the front surface of the door 2, it may also be configured to be located on the upper surface of the main body (1).

In addition, a detergent box for storing detergent and a rinse box for storing a rinse are provided in the inner space of the door 2, and a detergent inlet and a rinse for injecting detergent are put into the rear of the door 2. A rinse inlet is formed.

The detergent is discharged into the inner space of the washing tank 10 to be described later in the washing stroke and used to wash the dishes, and the rinse is discharged into the inner space of the washing tank 10 in the rinsing stroke and used to rinse the dishes. .

In the inner space of the main body 1, a washing tank 10 for providing a space for washing dishes is located, and in the inner space of the washing tank 10, a plurality of racks 11 are provided for storing dishes to be washed. do.

The plurality of racks 11 may be composed of an upper rack 111 positioned relatively to the upper side and a lower rack 112 positioned below the upper rack 111. The upper rack 111 and the lower rack 112 is disposed to be spaced apart by a predetermined distance.

Although not shown, the rack 11 is guided by guide rails formed on the inner side of the washing tank 10 to move forward and backward in the inner space of the washing tank 10 to the front of the washing tank 10. It can be withdrawn, and can move to the outer space of the main body (1).

In the present embodiment, for example, the two racks 11 are provided in the inner space of the washing tank 10, for example, but the number of the rack 11 will be described in advance that there is no limit.

In addition, a nozzle device 12 is provided in the inner space of the washing tank 10 to spray the washing water to the dishes placed on the rack 11. The nozzle device 12 is a lower nozzle 121 for receiving the washing water from the sump 40, which will be described later, and spraying the washing water into the inner space of the washing tank 10, and located above the lower nozzle 121. The upper nozzle 122 for spraying the washing water into the inner space of the washing tank 10, and the top nozzle 123 is disposed above the upper nozzle 122 to spray the washing water.

The top nozzle 123 is located in the center of the ceiling of the washing tank 10 to spray the washing water to the lower side, the lower nozzle 121 is to spray the washing water to the upper side.

The dishes are washed while the washing water sprayed from the nozzle device 12 faces the dishes stored in the rack 11, and at least the upper nozzle 122 and the lower nozzle 121 are uniformly sprayed with the washing water. In order to spray the washing water while rotating for.

The sump 40 is connected with a washing water guide 124 for guiding the washing water to the nozzle device 12. The wash water guide 124 may form a single wash water flow path, or may form a plurality of wash water flow paths. That is, the washing water guide 124 connected from the sump 40 may be formed to guide the washing water to the respective nozzle apparatus 12 while a part of the washing water guide 124 is branched to each of the nozzle apparatus 12. The washing guide 124 may be connected to guide the washing water.

The washing water guide 124 guides the washing water toward the upper nozzle 122 and the top nozzle 123, and the lower nozzle 121 is a nozzle connecting portion 125 formed on an upper surface of the sump 40. ) Is supplied with the washing water accommodated in the inner space of the sump (40).

On the other hand, the base 4 for supporting a plurality of parts is provided below the washing tank (10). The base 4 is formed of a material having a predetermined strength while being in the form of a rectangular parallelepiped having a predetermined internal space.

A water supply device 5 is provided between the washing tank 10 and the main body 1 to guide the flow of the washing water so that the outside air of the washing tank 10 communicates with the inside air.

The internal space of the washing tank 10 can be maintained at atmospheric pressure by the water supply device 5, and the internal space of the washing tank 10 can be prevented from increasing in pressure by hot air. .

The base 4 may be provided with a softening device 50 for converting the supplied water into soft water. The water softener 50 is connected to the water supply device 5 to convert the water supplied from the water supply device 5 to soft water. The water softener 50 is connected to the sump 40 to provide water converted into soft water to the sump 40.

In addition, one side of the sump 40 may be further provided with a steam device 60 for generating steam by receiving water converted into soft water from the softening device 50 as steam water.

Figure 4 is a bottom view showing a sump of the dishwasher according to an embodiment of the present invention, Figure 5 is a cross-sectional view showing a sump of the dishwasher according to an embodiment of the present invention, Figure 6 is a tableware according to an embodiment of the present invention Partial incision perspective view showing the sump of the washer.

Referring to these drawings, the sump 40 collecting the washing water for washing the dishes is located at the lower side of the bottom of the lower surface of the washing tank 10, that is, the center of the base 4.

The sump 40 is formed to have a predetermined internal space, and a space for storing water supplied from the outside is formed in the internal space. The sump 40 has a washing pump 41 for pumping water stored in the internal space of the sump 40 and a flow passage adjusting device 42 for adjusting a flow path of the washing water pumped by the washing pump 41. ), And a drain pump for draining the washing water and foreign substances in a state where the washing of the dishes is completed.

The sump 40 is provided with a first guide tube 411 for guiding the washing water to the washing pump 41 and a second guide tube 434 for guiding the washing water to the drainage pump. Further, a filter device 43 for collecting foreign matters flowing at the same time as washing water while washing dishes in the inner space is further provided, and an accommodation portion 433 in which the filter device 43 is accommodated is formed.

The first guide pipe 411 and the second guide pipe 412 extends from the receiving portion 433 at a position spaced apart from each other to wash the water caught by the foreign matter in the filter device 43 the cleaning pump 41 ) And the drain pump.

The sump 40 is further provided with a third guide pipe 421 for guiding the washing water pumped from the washing pump 41 to the flow path adjusting device 42.

In addition, an upper portion of the sump 40 is provided with an inlet for providing a passage through which the washing water flows into the internal space of the sump 40, and the washing water sprayed from at least one of the nozzle devices 12 through the inlet is formed. It flows into the internal space of the sump 40.

At this time, the washing water flowing to the inlet is guided to pass through the filter device 43 is formed so that foreign matter flowing at the same time as the washing water is filtered by the filter device 43.

The washing water flowing into the internal space of the sump 40 is pumped by the washing pump 41 while the foreign matter is filtered by the filter device 43, and again, at least one nozzle device 12 of the nozzle device 12. ) Is used as washing water for washing dishes.

Meanwhile, the filter device 43 may include a first filter 431 for filtering relatively large foreign matter and a second filter 432 for filtering relatively small foreign matter. By the operation of the washing pump 41, the washing water passes through the first filter 431 and the second filter 432 sequentially and then is guided by the first guide tube 411 to the washing pump 41 Will flow).

The washing pump 41 is provided with a washing motor 412 for generating rotational power by an external power source and an impeller 413 for rotating movement by the rotational power provided by the washing motor 412. The suction force is generated by the rotational movement of the impeller 413, and the suction water flows through the filter device 43 to the first guide pipe 411 to the cleaning pump 41 by the suction force. .

Below the impeller 413 is provided a sump heater 44 for heating the washing water flowing by the suction force of the washing pump 41. The dish to be washed by the sump heater 44 may be subjected to hot water washing or hot water rinsing.

The washing water heated by the sump heater 44 flows to the flow path adjusting device 42 by the rotation of the impeller 413. In the present embodiment, a detailed description of the configuration of the flow path adjusting device 42 will be omitted.

FIG. 7 is a graph showing changes in time and temperature according to an operation of a dish washing machine according to an embodiment of the present invention, FIG. 8 is a flowchart illustrating a control method of the dish washing machine according to an embodiment of the present invention, and FIG. Flow chart according to the control method of the dishwasher according to another embodiment of the present invention.

Referring to the accompanying drawings, the dishwasher performs a plurality of strokes until the washing of the dishes. The plurality of strokes may include a washing stroke 70 for washing the dishes largely, and a rinsing stroke 80 for rinsing the dishes, and a drying stroke for drying the dishes after the rinsing stroke 80 is completed. This may be further included.

The washing stroke 70 may be performed in one stroke or in a plurality of strokes. In the present specification, the configuration of the washing stroke 70 proceeds in a plurality of strokes.

The washing stroke 70 may be configured to include a preliminary washing step 71 and a plurality of main washing steps 72. In the preliminary washing step 71, the sump heater 44 is not operated, and the washing water is sprayed to the nozzle device 12 by the pumping of the washing pump 41 to wash the dishes.

That is, in the preliminary washing step 71, foreign matters on the tableware are removed by the blow due to the hydraulic pressure injected from the nozzle device 12. In addition, the washing water required for the next stroke is collected in the internal space of the sump 40 before the stroke for washing the dishes starts.

Specifically, in the state before the preliminary washing step 71 is started, water supplied from the outside flows into the softening device 50, and the water converted into soft water while passing through the softening device 50 is sump. 40 is supplied.

At this time, the temperature of the water supplied to the sump 40 is increased to a predetermined temperature by pressure, and the water supplied to the sump 40 flows to the nozzle device 12 while the temperature is raised to a predetermined temperature. As it is injected into the inner space of the washing tank 10 serves as a wash water.

7, in the preliminary washing step 71, the pressure inside the sump 40 is increased to 40 degrees Celsius or more. After the preliminary washing step 71 is performed, the main washing step 72 is performed. The main washing step 72 may be divided into a plurality of strokes.

According to an embodiment of the present invention, the main washing step 72 includes at least a first main washing step 73, a second main washing step 74, and a third main washing step 75. Let's look at it.

Of course, the main washing step 72 is not limited to the number, it may be configured differently depending on the characteristics of the product and the intended use.

In the first main washing step 73, the sump heater 44 operates to heat the wash water accommodated in the internal space of the sump 40 to 60 degrees Celsius. Of course, the temperature of 60 degrees Celsius is not limited, which may vary depending on the composition of the detergent or the nature of the detergent used, the kind of foreign matter on the tableware.

In addition, heating the washing water to 60 degrees Celsius in the first main washing step 73 is to use the property that the detergent used in the main washing step 72 is activated in a section between 50 degrees and 60 degrees Celsius. Can be.

The washing water heated up to 60 degrees Celsius by the sump heater 44 in the first main washing step 73 is supplied to the nozzle device 12 and sprayed into the inner space of the washing tank 10. At this time, while the detergent contained in the detergent box is used, foreign matters of the tableware are washed together with the washing water.

When the first main washing step 73 is finished, the second main washing step 74 proceeds. The second main washing step 74 is to wash the foreign matter of the tableware by the steam generated by the steam device 60.

That is, the foreign material of the dish called by hot water and detergent by melting the hot water and the detergent by the progress of the first main washing step 73 to facilitate the removal of the foreign matter of the dish in the next step. Of course, a part of the foreign matter in the dish may be removed by greening by hot steam. When the process of the second main washing step 74 ends, the third main washing step 75 proceeds.

In the third main washing step 75, the washing water is heated to 70 degrees Celsius or more by the operation of the sump heater 44. The heated washing water is supplied to the nozzle device 12 and sprayed into the inner space of the washing tank 10. At this time, as the second main washing step 74 proceeds, foreign substances and adsorbed dirt and stains of the dishes melted by the high temperature steam may be removed. The third main washing step 75 is repeated for a set time to wash the dishes while removing foreign matters of the dishes.

When the progress of the third main washing step 75 is finished, the rinsing stroke 80 is in progress. In this case, the washing water is additionally supplied to the rinsing stroke 80 in the external space.

In other words, as the main washing step 72 proceeds, the washing water heated to a high temperature and the washing water generated by steam are evaporated while evaporating, and the amount of washing water is reduced by the evaporated amount. Therefore, the washing water is additionally supplied from the softening device 50 before the rinsing stroke 80 is started.

The rinsing stroke 80 is a first rinsing step (81) for rinsing dishes while the washing water is supplied to the nozzle device 12 in the state that the sump heater 44 does not operate and is injected into the interior space of the washing tank 10 And a second rinsing step 82 and the sump heater for rinsing dishes while the washing water heated by the sump heater 44 is supplied to the nozzle device 12 and sprayed into the internal space of the washing tank 10. And a third rinsing step 83 for supplying the washing water to the nozzle device 12 while the 44 is not in operation and spraying the washing water into the inner space of the washing tank 10 to rinse the dishes.

In the first rinsing step 81, the washing water supplied to the sump 40 to remove the detergent and foreign matter remaining in the dish after the washing stroke 70 is finished to the internal space of the washing tank 10. To be sprayed.

The washing water sprayed into the inner space of the washing tank 10 is in contact with the surface of the dish heated by the progress of the washing stroke 70, and the hot air exists in the surface of the dish and the inner space of the washing tank 10. Heat exchange with and raise to a certain temperature.

When the progress of the first rinsing step 81 is finished, the second supplying the washing water heated by the operation of the sump heater 44 to the nozzle device 12 to spray the internal space of the washing tank 10 Rinsing step 82 is in progress.

The second rinsing step 82 is performed to further rinse the dishes and to ensure the temperature required in the drying process. When the progress of the second rinsing step 82 is completed, the washing water collected in the sump 40 is supplied to the nozzle device 12 in a state where the sump heater 44 is not operated, thereby providing the washing tank 10. The third rinsing step 83 is injected to the inner space of the.

The third rinsing step 83 is to secure the cooling time of the sump heater 44 by substantially proceeding in a state where the sump heater 44 is not operated.

That is, when the rinsing stroke 80 is finished, the drying stroke proceeds and the drying stroke flows air into the washing tank 10 by flowing air to the nozzle device 12 in a state where no washing water is supplied. It is sprayed, and the dishes can be dried by the sprayed air.

At this time, the air injected into the washing tank 10 is converted into hot air while being heat-exchanged in the washing tank 10 by the internal temperature of the washing tank 10 and the temperature of the dishes.

Hereinafter, another embodiment according to the present invention will be described with reference to FIG. 9. Description of the same configuration as the above-described embodiment will be omitted, and the same configuration will be described using the same reference numerals.

The rinsing stroke 80 is supplied to the nozzle device 12 by using the washing water stored in the sump 40 after the washing stroke 70 is completed to spray the internal space of the washing tank 10 to rinse dishes Cold water rinsing step 84 is performed.

In the cold water rinsing step 84, a process of rinsing the dishes by washing water is performed while the sump heater 44 is not operated. Of course, the cold water used in the cold water rinsing step 84 means washing water that is not heated by the sump heater 44.

When the process of the cold water rinsing step 84 is completed, to wash the dishes by supplying the washing water heated by the operation of the sump heater 44 to the nozzle device 12 to the internal space of the washing tank 10 The heating rinse step 85 is performed.

When the progress of the heating rinsing step 85 is completed, the washing water collected to the sump 40 in the state that the sump heater 44 is not operated is supplied to the nozzle device 12 of the washing tank 10. An additional rinsing step 86 of rinsing the dishes by spraying the inner space proceeds.

In the additional rinsing step 86, since the sump heater 44 is substantially inoperable, the sump heater 44 may be cooled during the additional rinsing step 86.

As such, the sump heater 44 is substantially cooled during the time that the additional rinsing step 86 proceeds, so that the rinsing process 80 is completed, and then the drying process does not proceed. When this is terminated, the damage of the sump heater 44 due to the drainage of the washing water is prevented.

In other words, according to the control method of the dish washing machine according to an embodiment of the present invention, after the rinsing cycle 80 is finished, the additional rinsing step 86, that is, before the draining step for draining the used washing water proceeds. Further, it can be seen that the additional rinsing step 86 is further performed for rinsing the dishes using the washing water stored in the sump 40 in the state in which the sump heater 44 is not operated and is stopped.

On the other hand, when the drying process is not in progress when the rinsing process 80 is finished, the washing water used in the interior of the main body 1 is drained to the outer space of the main body (1).

The internal space of the sump 40, that is, the space where the sump heater 44 is located, instantaneously forms a high pressure atmosphere while the wash water is drained to the external space of the main body 1, and the sump is caused by the high pressure atmosphere. The space in which the heater 44 is located is raised to a higher temperature.

At this time, the sump heater 44 is cooled during the additional rinsing step 86 to prevent the damage caused by the pressure rise in the space where the sump heater 44 is located and the residual heat of the sump heater 44. It has the advantage of being.

According to the present invention as described above, a method of controlling a dish washing machine in which a second rinsing step, that is, a heating rinsing step is completed, and then a third rinsing step, for example, an additional rinsing step, is proposed.

As the third rinsing step or the additional rinsing step is performed, the cooling time of the sump heater located inside the sump can be secured after the rinsing step is completed, thereby preventing damage to the sump heater when the drainage proceeds after the end of the rinsing step. You can expect a variety of benefits, including those that are present.

Therefore, the present invention will be highly applicable to the industry for manufacturing and producing the dishwasher and the industry for producing and manufacturing the parts of the dishwasher.

1. Main Unit 2. Door
3. Control Panel 4. Base
5. Water Supply 10. Wash Tank
40. Sump 50. Water softener
70. Washing stroke 80. Rinse stroke

Claims (9)

A washing stroke for washing dishes by spraying the washing water stored in the sump having a sump heater for heating the stored washing water;
A first rinsing step of rinsing the dishes washed by the washing operation with the washing water stored in the sump;
A second rinsing step of rinsing the rinsed and washed dishes with the washing water heated in the sump by advancing the first rinsing step; And
A third rinsing step of rinsing the rinsed and washed dishes with the washing water stored in the sump by performing the second rinsing step; The control method of the dishwasher in progress including. The method of claim 1,
In the washing stroke, the washing water is heated to a predetermined temperature by the sump heater, and the washing method comprising the step of washing the dishes by the heated washing water. The method of claim 1,
The control method of the dishwasher to rinse and wash the dishes in the first rinsing step with the washing water stored in the sump. The method of claim 1,
In the second rinsing step, the washing water is heated to a set temperature by the sump heater, the control method of the dish washing machine to rinse and wash the dishes by the heated washing water. The method of claim 1,
The control method of the dishwasher in the third rinsing step of rinsing and washing the dishes with the washing water stored in the sump in the state that the sump heater is not operated. A washing tank is provided to provide space for washing dishes, and a sump having a sump heater positioned below the washing tank for heating the washing water for washing the dishes, and washing the dishes using the washing water stored in the sump. In the dishwasher having a stroke and a rinse stroke for rinsing the dishes that have been washed using the wash water stored in the sump,
In the rinsing stroke, before the drainage of the washing water used by the end of the rinsing stroke proceeds, the step of rinsing the dishes using the washing water in the state where the sump heater is stopped is performed, and then the draining of the used washing water is controlled. How to control the dishwasher. The method according to claim 6,
The rinse stroke,
The cold water rinsing step of rinsing the dishes using the washing water accommodated in the sump;
A heating rinsing step of rinsing the dishes using the washing water heated by the operation of the sump heater; And
An additional rinsing step of rinsing dishes using washing water while the sump heater is stopped; Control method of the dishwasher comprising a. The method of claim 7, wherein
After the additional rinsing step is finished, the control method of the dishwasher in which the drainage step of draining the washing water is in progress. The method of claim 8,
Control method of the dishwasher in which the drying process to dry the dishes after the draining step is in progress.

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