KR101268743B1 - Method and apparatus for controlling (a) dry of washing machine - Google Patents

Abstract

The present invention relates to a drying control apparatus and method of a dishwasher capable of improving a drying performance by adjusting a water supply stroke during a feeding / draining process for washing regeneration water in a drying operation of a dishwasher.

That is, the present invention is the same principle as the condensation type in which the high temperature steam generated by the heating in the rinsing stroke before the drying stroke is carried out by the condensation tank attached to the wall of the washing tank without the blower fan. The condensation principle can be applied as it is by performing drying with cold water supplied and stored before starting.

Therefore, the drying control apparatus and method of the dish washing machine according to the present invention can remove the internal high temperature steam generated by heat rinsing due to condensation by performing a drying stroke in a state of receiving and storing cold water before starting drying. Since hot steam in the washing tank can be removed more quickly, there is an effect of improving the drying performance.

Drying / watering

Description

Drying control device and method of dishwasher {Method and apparatus for controlling (a) dry of washing machine}

1 is a cross-sectional view showing a typical dishwasher.

2 is a view showing a drying process of the dishwasher according to the prior art.

Figure 3 is a block diagram showing a drying control device of the dishwasher according to the present invention.

Figure 4 is a flow chart showing a drying control method of the dishwasher according to the present invention.

5 is a view showing a drying process of the dishwasher according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: key input unit 200: control unit

300: memory 400: valve drive unit

410: water supply valve 420: regeneration valve

500: drain pump driving unit 510: drain pump

600: cleaning motor drive unit 610: cleaning motor

 The present invention relates to a dishwasher, and more particularly, to a drying control apparatus and method for improving a drying performance by adjusting a water supply stroke during a feeding / draining process for washing regenerated water during a drying operation of a dishwasher. .

In general, the dishwasher is a device for washing the dishes mounted in each rack by spraying the washing water to the upper rack and the lower rack.

Hereinafter, a general dishwasher will be described with reference to the accompanying drawings.

1 is a vertical cross-sectional view schematically showing a general dish washer, Figure 2 is a flow chart showing a drainage control method of the dish washing machine according to the prior art.

As shown in FIG. 1, a general dishwasher includes a tub 11 having an external appearance and a washing tank formed therein, a lower nozzle 15 formed on a bottom surface of the tub and spraying washing water, and a washing pump (not shown). Water guide 12 which is a path to the washing water sprayed from the) is included.

In addition, the washing water moved from the water guide 12 is sprayed in the washing tank, and is connected to the upper nozzle 14 formed in the center of the washing tank, the water guide 12, the upper portion of the tub The top nozzle 13 to be formed is included.

In addition, the upper rack 16 and the lower rack 17 that contains the dishes for washing by the washing water sprayed from the spray nozzles 12, 13, 14 are included.

The operation of the dishwasher 10 having the above configuration will be described briefly. First, the dishes requiring cleaning are stored in the upper rack 16 and / or the lower rack 17, and then the door is closed and the power is applied. do.

When power is applied to the dishwasher 10, the washing water is sprayed through the spray nozzles 13 and 15. Then, the spray nozzles 13, 14 and 15 are rotated to wash every corner of the tableware.

As shown in FIG. 2, the dishwasher according to the related art performs drainage (A ′) when a drying stroke is started, and performs a drying stroke (D ′) when a drainage stroke is completed for a preset time.

Then, as the drying stroke is completed, the water supply and drainage strokes are performed at predetermined time intervals as a predetermined number of times as a process for washing the regeneration water, and then the drying stroke is finished.

That is, the water supply (B ") is performed up to the first set water level (94Hz) after the stop process for the preset time, and after the drainage (C") for the preset time, up to the second set water level (59Hz). Secondary water supply (B '), and after passing through the drainage (C ") once again, after the third water supply (B') up to the preset second set water level (59Hz), drains and finishes the drying administration. .

Therefore, the dishwasher according to the prior art has a problem in that the drying performance is reduced as the water supply / drainage process for washing the regenerated water is completed after drying.

The present invention has been made to solve the above problems, and the object is to further improve the drying performance during the drying administration.

Drying control device of the dishwasher according to the present invention for achieving the above object is a key input unit for inputting the course selection and operation commands desired by the user in the dishwasher equipped with a water supply valve and regeneration valve, and through the key input unit A control unit for controlling a corresponding stroke according to an input of a user input, controlling the water supply before drying starts in a drying stroke, and a valve driving unit controlling driving of a water supply valve and a regeneration valve according to a control signal of the control unit. The control unit outputs a control signal to the valve driving unit so that water is supplied to the first set water level after draining for a preset time when the drying operation is started, and when drying is completed, drainage / water supply at a preset setting cycle. Outputs a control signal to the valve driving unit so that There is a characteristic.

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Drying control method of the dishwasher according to the present invention for achieving the above object in the drying control method of the dishwasher having a water supply valve and a regeneration valve, the step of selecting a washing course desired by the user and inputting an operation command, Determining whether it is a drying stroke while performing the corresponding stroke when the operation command is input; and controlling the water supply stroke before the start of drying if the drying stroke is performed. In the controlling of the water supply stroke, Performing drainage for a preset time when entering a drying stroke, performing water supply up to a preset first level when the drainage is completed, and performing drying when water supply is completed up to the first level; Comprising the step of repeatedly performing drainage / water supply at a predetermined set cycle when the drying is completed Characterized in the there is yirueojim its features.

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More preferably, the step of supplying water to the first level is characterized in that the cold water is supplied to the first level.

Hereinafter, with reference to the accompanying drawings will be described in more detail the drying control apparatus and method of the dishwasher according to the present invention.

3 is a block diagram showing a drying control apparatus of the dishwasher according to the present invention, Figure 4 is a flow chart showing a drying control method of the dishwasher according to the present invention, Figure 5 is a drying process of the dishwasher according to the present invention It is a diagram showing.

As shown in FIG. 3, the drying control apparatus of the dish washing machine according to the present invention selects a key input unit 100 for receiving a user request command and a user selected according to a request command input through the key input unit 100. The control unit 200 and the water supply valve according to the control signal of the control unit 200 for controlling the water to be made first in the water supply / draining process for washing the regeneration water during the drying stroke and at the same time to control the stroke according to the course 410 or the valve driving unit 400 for controlling the opening and closing of the regeneration valve 420, the drain pump driving unit 500 for controlling the driving of the drain pump 510 according to the control signal of the control unit 200 and The washing motor driving unit 600 controls the driving of the washing motor 610 according to the control signal of the controller 200, and a memory 300 for storing various control values and information.

Referring to the drying control device operation of the dish washer according to the present invention configured as described above are as follows.

When the user inputs a power on command through the key input unit 100, selects a desired washing course, and the user inputs an operation command, the controller 200 drives the washing motor to perform an operation according to the command. The control signal is output to the 600, the drain pump driver 500, and the valve driver 400.

In addition, the controller 200 determines whether the corresponding stroke is a drainage stroke and outputs a control signal to the washing motor driver 600 when the drainage stroke is performed so that the washing motor 610 is driven.

Subsequently, the control unit 200 determines whether a drying stroke is started, and after performing drainage A ′ for a preset time as shown in FIG. 5, the water supply B ″ to a preset first set water level (94Hz). Perform

When the water supply is completed up to the preset first set water level (94 Hz), a pure drying process is performed, and when the drying process is completed, drainage and water supply are repeated at a predetermined set time period. At this time, the water supply is up to a second preset water level (59 Hz).

Therefore, by changing the water supply stage during the water supply / drainage process to wash the regenerated water before the end of drying in the drying administration to before the start of drying, the drying water is supplied as much as the first set periphery is set in the washing tank. While improving the drying performance by the condensation principle.

The control method of the dish washing machine according to the present invention configured as described above will be described with reference to FIG. 4.

Then, the administration is performed according to the course selected by the user (S103).

Subsequently, it is determined whether or not it has entered the drying administration (S104).

As a result of the determination (S104), when the drying stroke is entered, water is supplied to the first set water level after a preset time drain (S105).

When the water is supplied to the first set level, pure drying is performed (S106).

Then, it is determined whether the predetermined pure drying time has elapsed (S107).

Subsequently, if the predetermined pure drying time has elapsed, as a result of the determination (S107), water supply / drainage is performed at a predetermined cycle (S108).

And it ends when all the drying administrative set time has passed (S109).

Therefore, the same principle as the condensation type, in which the hot steam generated by heating in the rinsing stroke before the drying stroke is carried out by the condensation tank attached to the wall of the washing tank without a blower fan, before drying starts in advance The condensation principle can be applied as it is by performing drying while storing cold water.

As described above, the drying control apparatus and method of the dish washing machine according to the present invention is to advance the water supply process during the water supply / drainage process to wash out the regeneration water in the drying administration before the start of drying.

As described above, the drying control apparatus and method of the dish washing machine according to the present invention have the following effects.

First, it is possible to remove the internal high temperature steam generated by heat rinsing due to condensation by performing a drying stroke in a state of receiving and storing cold water before drying starts.

Second, it is possible to remove the hot steam in the washing tank more quickly, thereby improving the drying performance.

Third, by improving the drying performance can improve the user's satisfaction with the product.

Claims (5)

delete In a dishwasher with a water supply valve and a regeneration valve, A key input unit for inputting a course selection and operation command desired by the user; A control unit controlling a corresponding stroke according to a user's request input through the key input unit, and controlling the water supply before drying starts in a drying administration; And, It comprises a valve driving unit for controlling the driving of the water supply valve and the regeneration valve in accordance with the control signal of the control unit, The control unit outputs a control signal to the valve driving unit so that water is supplied to the first set water level after draining for a preset time when the drying administration starts, and when the drying is completed, the drainage / water supply is repeatedly set at a preset setting cycle. Drying control device of the dishwasher to output a control signal to the valve driving unit to be performed. delete In the drying control method of the dishwasher having a water supply valve and a regeneration valve, Selecting a desired washing course and inputting an operation command; Determining whether it is a dry administration while performing the corresponding stroke when the operation command is input; And, If the drying administration comprises the step of controlling the water supply stroke is made before the start of drying, In the step of controlling so that the water supply stroke is made Performing drainage for a preset time when the drying stroke is entered; performing water supply up to a preset first level when the drainage is completed; and performing drying when water supply is completed up to the first water level; When the drying is completed, the drying control method of the dishwasher comprising the step of repeatedly performing the drainage / water supply at a predetermined set cycle. 5. The method of claim 4, The step of performing the water supply to the first water level is the drying control method of the dishwasher, characterized in that for supplying the cold water up to the first predetermined water level.

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